/* roulang page: index */
:root {
            --bg-primary: #080D1F;
            --bg-elevated: #0B1128;
            --bg-card: rgba(8, 15, 40, 0.55);
            --bg-card-hover: rgba(11, 25, 60, 0.78);
            --color-primary: #1B4FFF;
            --color-primary-light: #0B6EFF;
            --color-accent: #00C2FF;
            --color-cyan: #00C9E8;
            --color-amber: #FFB300;
            --color-green: #35F0B0;
            --color-danger: #FF4D6D;
            --text-white: #F0F4FF;
            --text-soft: #C8D4E8;
            --text-muted: #8A98B8;
            --text-faint: #66739A;
            --border-glass: rgba(110, 180, 255, 0.18);
            --border-glass-hover: rgba(0, 194, 255, 0.38);
            --highlight-glass: rgba(255, 255, 255, 0.06);
            --shadow-card: 0 24px 60px rgba(0, 0, 0, 0.38);
            --shadow-glow: 0 0 24px rgba(0, 194, 255, 0.35);
            --shadow-glow-hover: 0 0 32px rgba(0, 194, 255, 0.55);
            --radius-card: 20px;
            --radius-tag: 8px;
            --radius-btn: 999px;
            --radius-input: 10px;
            --gap-section: 96px;
            --gap-section-mobile: 48px;
            --container-max: 1200px;
            --nav-height: 72px;
            --font-sans: 'PingFang SC', 'Microsoft YaHei', 'Noto Sans SC', 'Inter', sans-serif;
            --font-mono: 'Inter', 'Roboto Condensed', 'SF Pro Display', monospace;
        }

        *,
        *::before,
        *::after {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }

        html {
            scroll-behavior: smooth;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }

        body {
            font-family: var(--font-sans);
            font-size: 16px;
            line-height: 1.85;
            color: var(--text-white);
            background-color: var(--bg-primary);
            background-image:
                radial-gradient(ellipse at 20% 10%, rgba(27, 79, 255, 0.14) 0%, transparent 55%),
                radial-gradient(ellipse at 85% 20%, rgba(0, 194, 255, 0.10) 0%, transparent 50%),
                radial-gradient(ellipse at 50% 70%, rgba(27, 79, 255, 0.06) 0%, transparent 60%);
            background-attachment: fixed;
            min-height: 100vh;
            overflow-x: hidden;
        }

        a {
            color: var(--color-accent);
            text-decoration: none;
            transition: color 0.25s ease;
        }

        a:hover {
            color: #66d9ff;
        }

        img {
            max-width: 100%;
            height: auto;
            display: block;
        }

        button,
        input,
        select,
        textarea {
            font-family: inherit;
            font-size: inherit;
            line-height: inherit;
        }

        button {
            cursor: pointer;
            border: none;
            background: none;
            color: inherit;
        }

        .container-main {
            max-width: var(--container-max);
            margin: 0 auto;
            padding: 0 24px;
        }

        /* ============ 导航 ============ */
        .site-header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 999;
            background: linear-gradient(135deg, #070C20 0%, #0A1A4A 35%, #1B4FFF 100%);
            box-shadow: 0 4px 24px rgba(0, 0, 0, 0.32);
            height: var(--nav-height);
            display: flex;
            align-items: center;
            transition: box-shadow 0.3s ease;
        }

        .site-header.scrolled {
            box-shadow: 0 8px 32px rgba(0, 0, 0, 0.45);
        }

        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 24px;
            width: 100%;
        }

        .brand-logo {
            display: flex;
            align-items: center;
            gap: 10px;
            color: #fff;
            text-decoration: none;
            font-weight: 700;
            font-size: 1.15rem;
            letter-spacing: 0.02em;
            white-space: nowrap;
        }

        .brand-logo .logo-icon {
            width: 38px;
            height: 38px;
            background: linear-gradient(135deg, #00C2FF, #1B4FFF);
            border-radius: 10px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.1rem;
            color: #fff;
            box-shadow: 0 0 18px rgba(0, 194, 255, 0.32);
        }

        .brand-logo span.brand-text {
            color: #fff;
            font-weight: 700;
            letter-spacing: 0.03em;
        }

        .nav-links {
            display: flex;
            align-items: center;
            gap: 6px;
            list-style: none;
            margin: 0;
            padding: 0;
        }

        .nav-links li {
            position: relative;
        }

        .nav-links a {
            display: block;
            padding: 8px 14px;
            color: rgba(240, 244, 255, 0.82);
            font-size: 0.92rem;
            font-weight: 500;
            text-decoration: none;
            border-radius: 8px;
            transition: background 0.25s ease, color 0.25s ease;
            white-space: nowrap;
        }

        .nav-links a:hover,
        .nav-links a:focus {
            background: rgba(255, 255, 255, 0.12);
            color: #fff;
        }

        .nav-links a.active {
            color: #fff;
            background: rgba(255, 255, 255, 0.08);
            box-shadow: inset 0 -2px 0 var(--color-accent);
        }

        .nav-cta {
            background: linear-gradient(135deg, #FFB300 0%, #FF8C00 100%);
            color: #1a1a1a;
            font-weight: 600;
            padding: 10px 22px;
            border-radius: var(--radius-btn);
            font-size: 0.92rem;
            text-decoration: none;
            transition: box-shadow 0.3s ease, transform 0.2s ease;
            box-shadow: 0 4px 16px rgba(255, 179, 0, 0.28);
            white-space: nowrap;
        }

        .nav-cta:hover {
            box-shadow: 0 6px 24px rgba(255, 179, 0, 0.45);
            color: #1a1a1a;
            transform: translateY(-1px);
        }

        .hamburger-toggle {
            display: none;
            flex-direction: column;
            gap: 5px;
            padding: 8px;
            border-radius: 8px;
            background: rgba(255, 255, 255, 0.1);
            border: none;
            cursor: pointer;
            transition: background 0.25s ease;
        }

        .hamburger-toggle:hover {
            background: rgba(255, 255, 255, 0.2);
        }

        .hamburger-toggle span {
            display: block;
            width: 22px;
            height: 2px;
            background: #fff;
            border-radius: 2px;
            transition: transform 0.3s ease, opacity 0.3s ease;
        }

        .hamburger-toggle.is-open span:nth-child(1) {
            transform: translateY(7px) rotate(45deg);
        }
        .hamburger-toggle.is-open span:nth-child(2) {
            opacity: 0;
        }
        .hamburger-toggle.is-open span:nth-child(3) {
            transform: translateY(-7px) rotate(-45deg);
        }

        .mobile-nav-panel {
            display: none;
            position: fixed;
            top: var(--nav-height);
            left: 0;
            right: 0;
            bottom: 0;
            z-index: 990;
            background: rgba(8, 15, 40, 0.96);
            backdrop-filter: blur(24px);
            -webkit-backdrop-filter: blur(24px);
            padding: 24px;
            flex-direction: column;
            gap: 8px;
            overflow-y: auto;
        }

        .mobile-nav-panel.is-visible {
            display: flex;
            animation: fadeInDown 0.3s ease;
        }

        .mobile-nav-panel a {
            display: block;
            padding: 14px 16px;
            color: rgba(240, 244, 255, 0.85);
            font-size: 1rem;
            font-weight: 500;
            border-radius: 12px;
            transition: background 0.25s ease, color 0.25s ease;
        }

        .mobile-nav-panel a:hover,
        .mobile-nav-panel a.active {
            background: rgba(255, 255, 255, 0.1);
            color: #fff;
        }

        .mobile-nav-panel .nav-cta {
            text-align: center;
            margin-top: 8px;
        }

        @keyframes fadeInDown {
            from { opacity: 0; transform: translateY(-8px); }
            to { opacity: 1; transform: translateY(0); }
        }

        /* ============ Hero ============ */
        .hero-section {
            position: relative;
            padding: calc(var(--nav-height) + 56px) 0 72px;
            background:
                linear-gradient(140deg, rgba(8, 15, 40, 0.92) 0%, rgba(8, 15, 40, 0.55) 55%, rgba(11, 17, 40, 0.7) 100%),
                url('/assets/images/4e2e3efa1eb2ab6c.webp') center center / cover no-repeat;
            min-height: 620px;
            display: flex;
            align-items: center;
            clip-path: polygon(0 0, 100% 0, 100% 94%, 50% 100%, 0 94%);
            border-bottom: 1px solid rgba(110, 180, 255, 0.08);
        }

        .hero-section::after {
            content: '';
            position: absolute;
            inset: 0;
            background: radial-gradient(ellipse at 30% 40%, rgba(27, 79, 255, 0.2) 0%, transparent 60%);
            pointer-events: none;
        }

        .hero-content {
            position: relative;
            z-index: 2;
            max-width: 900px;
        }

        .hero-badge {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: rgba(0, 194, 255, 0.12);
            border: 1px solid rgba(0, 194, 255, 0.28);
            color: #A8E6FF;
            padding: 6px 16px;
            border-radius: var(--radius-tag);
            font-size: 0.82rem;
            font-weight: 600;
            letter-spacing: 0.04em;
            margin-bottom: 20px;
            backdrop-filter: blur(8px);
        }

        .hero-badge i {
            font-size: 0.75rem;
            color: var(--color-accent);
        }

        .hero-title {
            font-size: clamp(2rem, 4.5vw, 3.25rem);
            font-weight: 700;
            line-height: 1.25;
            color: #fff;
            margin-bottom: 16px;
            letter-spacing: 0.01em;
            text-shadow: 0 2px 20px rgba(0, 0, 0, 0.4);
        }

        .hero-title .highlight {
            background: linear-gradient(135deg, #00C2FF, #1B4FFF);
            -webkit-background-clip: text;
            background-clip: text;
            -webkit-text-fill-color: transparent;
            text-shadow: none;
        }

        .hero-desc {
            font-size: 1.05rem;
            line-height: 1.9;
            color: var(--text-soft);
            max-width: 680px;
            margin-bottom: 28px;
            letter-spacing: 0.01em;
        }

        .hero-actions {
            display: flex;
            flex-wrap: wrap;
            gap: 14px;
            margin-bottom: 36px;
        }

        .btn {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 14px 30px;
            border-radius: var(--radius-btn);
            font-weight: 600;
            font-size: 0.95rem;
            text-decoration: none;
            transition: box-shadow 0.3s ease, transform 0.2s ease, background 0.3s ease, filter 0.3s ease;
        }

        .btn-primary {
            background: linear-gradient(135deg, #00C2FF 0%, #1B4FFF 100%);
            color: #fff;
            box-shadow: var(--shadow-glow);
        }

        .btn-primary:hover {
            box-shadow: var(--shadow-glow-hover);
            color: #fff;
            filter: brightness(1.1);
            transform: translateY(-1px);
        }

        .btn-primary:active {
            transform: scale(0.98);
        }

        .btn-outline {
            background: transparent;
            border: 1px solid rgba(110, 180, 255, 0.35);
            color: var(--text-soft);
            box-shadow: none;
        }

        .btn-outline:hover {
            background: rgba(255, 255, 255, 0.06);
            border-color: rgba(0, 194, 255, 0.5);
            color: #fff;
            transform: translateY(-1px);
        }

        .btn-outline:active {
            transform: scale(0.98);
        }

        .btn:focus-visible {
            outline: 2px solid rgba(0, 194, 255, 0.7);
            outline-offset: 2px;
        }

        .hero-trust-strip {
            display: flex;
            flex-wrap: wrap;
            gap: 18px;
            align-items: center;
            font-size: 0.82rem;
            color: var(--text-muted);
            letter-spacing: 0.02em;
            margin-top: 8px;
        }

        .hero-trust-strip span {
            display: flex;
            align-items: center;
            gap: 6px;
        }

        .hero-trust-strip i {
            color: var(--color-green);
            font-size: 0.72rem;
        }

        /* 指标看板 */
        .metrics-board {
            position: relative;
            z-index: 3;
            display: grid;
            grid-template-columns: repeat(5, 1fr);
            gap: 16px;
            margin-top: -40px;
            margin-bottom: 24px;
        }

        .metric-card {
            background: var(--bg-card);
            backdrop-filter: blur(20px);
            -webkit-backdrop-filter: blur(20px);
            border: 1px solid var(--border-glass);
            border-radius: var(--radius-card);
            padding: 22px 20px;
            text-align: center;
            box-shadow: var(--shadow-card);
            transition: border-color 0.3s ease, transform 0.3s ease, box-shadow 0.3s ease;
        }

        .metric-card:hover {
            border-color: var(--border-glass-hover);
            transform: translateY(-3px);
            box-shadow: 0 28px 64px rgba(0, 0, 0, 0.46);
        }

        .metric-number {
            font-family: var(--font-mono);
            font-size: 2rem;
            font-weight: 700;
            color: #fff;
            letter-spacing: 0.02em;
            line-height: 1.2;
            margin-bottom: 6px;
        }

        .metric-number .unit {
            font-size: 0.85rem;
            color: var(--color-accent);
            margin-left: 2px;
        }

        .metric-label {
            font-size: 0.82rem;
            color: var(--text-muted);
            font-weight: 500;
            letter-spacing: 0.03em;
        }

        .metric-status {
            width: 8px;
            height: 8px;
            border-radius: 50%;
            display: inline-block;
            margin-left: 6px;
        }

        .metric-status.live {
            background: var(--color-green);
            box-shadow: 0 0 8px rgba(53, 240, 176, 0.7);
            animation: pulse-dot 1.8s infinite;
        }

        @keyframes pulse-dot {
            0%, 100% { opacity: 1; transform: scale(1); }
            50% { opacity: 0.6; transform: scale(1.3); }
        }

        /* ============ Section 通用 ============ */
        .section-block {
            padding: var(--gap-section) 0;
            position: relative;
        }

        .section-block.alt-bg {
            background: rgba(11, 17, 40, 0.6);
            border-top: 1px solid rgba(110, 180, 255, 0.06);
            border-bottom: 1px solid rgba(110, 180, 255, 0.06);
        }

        .section-header {
            margin-bottom: 40px;
        }

        .section-tag {
            display: inline-block;
            font-size: 0.78rem;
            font-weight: 600;
            color: var(--color-accent);
            letter-spacing: 0.08em;
            text-transform: uppercase;
            margin-bottom: 8px;
            background: rgba(0, 194, 255, 0.08);
            padding: 4px 14px;
            border-radius: var(--radius-tag);
            border: 1px solid rgba(0, 194, 255, 0.2);
        }

        .section-title {
            font-size: clamp(1.5rem, 2.6vw, 2.1rem);
            font-weight: 700;
            color: #fff;
            margin-bottom: 12px;
            letter-spacing: 0.01em;
        }

        .section-desc {
            font-size: 1rem;
            line-height: 1.9;
            color: var(--text-muted);
            max-width: 760px;
        }

        /* ============ 服务矩阵 ============ */
        .service-matrix {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr;
            gap: 20px;
        }

        .service-card {
            background: var(--bg-card);
            backdrop-filter: blur(20px);
            -webkit-backdrop-filter: blur(20px);
            border: 1px solid var(--border-glass);
            border-radius: var(--radius-card);
            padding: 28px 24px;
            box-shadow: var(--shadow-card);
            transition: border-color 0.3s ease, transform 0.3s ease, box-shadow 0.3s ease, background 0.3s ease;
            position: relative;
            overflow: hidden;
        }

        .service-card::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            height: 3px;
            background: linear-gradient(90deg, transparent, rgba(0, 194, 255, 0.5), transparent);
            opacity: 0;
            transition: opacity 0.3s ease;
        }

        .service-card:hover {
            background: var(--bg-card-hover);
            border-color: var(--border-glass-hover);
            transform: translateY(-5px);
            box-shadow: 0 30px 68px rgba(0, 0, 0, 0.5);
        }

        .service-card:hover::before {
            opacity: 1;
        }

        .service-card.featured {
            grid-column: span 1;
            grid-row: span 2;
            display: flex;
            flex-direction: column;
            justify-content: space-between;
        }

        .service-card.featured .service-icon {
            font-size: 2.5rem;
        }

        .service-icon {
            font-size: 1.8rem;
            color: var(--color-accent);
            margin-bottom: 14px;
            width: 52px;
            height: 52px;
            background: rgba(0, 194, 255, 0.1);
            border-radius: 14px;
            display: flex;
            align-items: center;
            justify-content: center;
            border: 1px solid rgba(0, 194, 255, 0.18);
        }

        .service-title {
            font-size: 1.1rem;
            font-weight: 600;
            color: #fff;
            margin-bottom: 8px;
        }

        .service-desc {
            font-size: 0.9rem;
            line-height: 1.8;
            color: var(--text-muted);
        }

        /* ============ 结果对比 ============ */
        .comparison-grid {
            display: grid;
            grid-template-columns: 1fr 1fr 1fr;
            gap: 20px;
        }

        .comparison-card {
            background: var(--bg-card);
            backdrop-filter: blur(20px);
            border: 1px solid var(--border-glass);
            border-radius: var(--radius-card);
            padding: 28px 24px;
            box-shadow: var(--shadow-card);
            transition: border-color 0.3s ease, transform 0.3s ease;
            text-align: center;
        }

        .comparison-card:hover {
            border-color: var(--border-glass-hover);
            transform: translateY(-4px);
        }

        .comparison-card.highlight-card {
            border-color: rgba(255, 179, 0, 0.4);
            background: rgba(255, 179, 0, 0.06);
        }

        .comparison-card .comparison-icon {
            font-size: 2rem;
            color: var(--color-cyan);
            margin-bottom: 14px;
        }

        .comparison-card.highlight-card .comparison-icon {
            color: var(--color-amber);
        }

        .comparison-card .comparison-label {
            font-size: 0.88rem;
            color: var(--text-muted);
            margin-bottom: 6px;
            font-weight: 500;
        }

        .comparison-card .comparison-value {
            font-family: var(--font-mono);
            font-size: 1.5rem;
            font-weight: 700;
            color: #fff;
        }

        .comparison-card .comparison-note {
            font-size: 0.82rem;
            color: var(--text-faint);
            margin-top: 8px;
            line-height: 1.7;
        }

        /* ============ 热门专题 ============ */
        .topic-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 22px;
        }

        .topic-card {
            position: relative;
            border-radius: var(--radius-card);
            overflow: hidden;
            background: var(--bg-card);
            border: 1px solid var(--border-glass);
            box-shadow: var(--shadow-card);
            transition: border-color 0.3s ease, transform 0.3s ease, box-shadow 0.3s ease;
            min-height: 260px;
            display: flex;
            flex-direction: column;
            justify-content: flex-end;
        }

        .topic-card:hover {
            border-color: var(--border-glass-hover);
            transform: translateY(-5px);
            box-shadow: 0 32px 70px rgba(0, 0, 0, 0.52);
        }

        .topic-card img {
            position: absolute;
            inset: 0;
            width: 100%;
            height: 100%;
            object-fit: cover;
            z-index: 0;
            filter: brightness(0.55) saturate(1.1);
            transition: filter 0.4s ease, transform 0.4s ease;
        }

        .topic-card:hover img {
            filter: brightness(0.7) saturate(1.2);
            transform: scale(1.04);
        }

        .topic-card .topic-overlay {
            position: relative;
            z-index: 1;
            padding: 26px 22px;
            background: linear-gradient(to top, rgba(8, 15, 40, 0.95) 0%, rgba(8, 15, 40, 0.5) 60%, transparent 100%);
        }

        .topic-tag {
            display: inline-block;
            background: rgba(0, 194, 255, 0.2);
            border: 1px solid rgba(0, 194, 255, 0.35);
            color: #A8E6FF;
            padding: 3px 12px;
            border-radius: var(--radius-tag);
            font-size: 0.72rem;
            font-weight: 600;
            letter-spacing: 0.05em;
            margin-bottom: 8px;
            backdrop-filter: blur(6px);
        }

        .topic-title {
            font-size: 1.15rem;
            font-weight: 700;
            color: #fff;
            margin-bottom: 6px;
        }

        .topic-desc {
            font-size: 0.85rem;
            color: rgba(200, 212, 232, 0.8);
            line-height: 1.7;
        }

        /* ============ 里程碑 ============ */
        .timeline {
            position: relative;
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
            padding-top: 10px;
        }

        .timeline::before {
            content: '';
            position: absolute;
            top: 20px;
            left: 0;
            right: 0;
            height: 2px;
            background: linear-gradient(90deg, rgba(0, 194, 255, 0.3), rgba(27, 79, 255, 0.3), rgba(0, 194, 255, 0.3));
            border-radius: 1px;
        }

        .timeline-node {
            position: relative;
            text-align: center;
            padding-top: 12px;
        }

        .timeline-node .node-dot {
            width: 16px;
            height: 16px;
            background: var(--color-accent);
            border-radius: 50%;
            position: absolute;
            top: 10px;
            left: 50%;
            transform: translateX(-50%);
            box-shadow: 0 0 16px rgba(0, 194, 255, 0.6);
            border: 3px solid var(--bg-primary);
            z-index: 1;
        }

        .timeline-node .node-year {
            font-family: var(--font-mono);
            font-size: 1.15rem;
            font-weight: 700;
            color: var(--color-accent);
            margin-bottom: 6px;
        }

        .timeline-node .node-title {
            font-size: 0.95rem;
            font-weight: 600;
            color: #fff;
            margin-bottom: 6px;
        }

        .timeline-node .node-desc {
            font-size: 0.82rem;
            color: var(--text-muted);
            line-height: 1.7;
        }

        /* ============ 新闻中心 ============ */
        .news-list {
            display: flex;
            flex-direction: column;
            gap: 14px;
        }

        .news-item {
            display: flex;
            align-items: stretch;
            gap: 20px;
            background: var(--bg-card);
            backdrop-filter: blur(16px);
            border: 1px solid var(--border-glass);
            border-radius: var(--radius-card);
            padding: 20px 22px;
            box-shadow: var(--shadow-card);
            transition: border-color 0.3s ease, transform 0.3s ease, background 0.3s ease;
        }

        .news-item:hover {
            background: var(--bg-card-hover);
            border-color: var(--border-glass-hover);
            transform: translateX(4px);
        }

        .news-date-badge {
            min-width: 72px;
            height: fit-content;
            background: rgba(27, 79, 255, 0.15);
            border: 1px solid rgba(27, 79, 255, 0.25);
            border-radius: 12px;
            padding: 8px 6px;
            text-align: center;
        }

        .news-date-badge .date-day {
            font-family: var(--font-mono);
            font-size: 1.3rem;
            font-weight: 700;
            color: #fff;
            line-height: 1.2;
        }

        .news-date-badge .date-month {
            font-size: 0.72rem;
            color: var(--text-muted);
            letter-spacing: 0.06em;
        }

        .news-content {
            flex: 1;
            min-width: 0;
        }

        .news-title {
            font-size: 1.02rem;
            font-weight: 600;
            color: #fff;
            margin-bottom: 6px;
            line-height: 1.5;
        }

        .news-summary {
            font-size: 0.88rem;
            color: var(--text-muted);
            line-height: 1.75;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }

        .news-readmore {
            align-self: center;
            white-space: nowrap;
            padding: 8px 18px;
            border: 1px solid rgba(110, 180, 255, 0.3);
            border-radius: var(--radius-btn);
            font-size: 0.82rem;
            font-weight: 500;
            color: var(--text-soft);
            text-decoration: none;
            transition: background 0.3s ease, border-color 0.3s ease, color 0.3s ease;
        }

        .news-readmore:hover {
            background: rgba(255, 255, 255, 0.08);
            border-color: rgba(0, 194, 255, 0.5);
            color: #fff;
        }

        /* ============ 平台保障 ============ */
        .guarantee-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 18px;
        }

        .guarantee-item {
            background: var(--bg-card);
            backdrop-filter: blur(16px);
            border: 1px solid var(--border-glass);
            border-radius: 16px;
            padding: 22px 18px;
            text-align: center;
            transition: border-color 0.3s ease, transform 0.3s ease;
        }

        .guarantee-item:hover {
            border-color: var(--border-glass-hover);
            transform: translateY(-3px);
        }

        .guarantee-icon {
            font-size: 1.6rem;
            color: var(--color-green);
            margin-bottom: 10px;
            width: 48px;
            height: 48px;
            background: rgba(53, 240, 176, 0.08);
            border-radius: 12px;
            display: flex;
            align-items: center;
            justify-content: center;
            margin-left: auto;
            margin-right: auto;
            border: 1px solid rgba(53, 240, 176, 0.2);
        }

        .guarantee-title {
            font-size: 0.95rem;
            font-weight: 600;
            color: #fff;
            margin-bottom: 4px;
        }

        .guarantee-desc {
            font-size: 0.8rem;
            color: var(--text-muted);
            line-height: 1.7;
        }

        /* ============ 品牌介绍 ============ */
        .brand-intro {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 40px;
            align-items: center;
        }

        .brand-intro .brand-text {
            font-size: 1rem;
            line-height: 2.0;
            color: var(--text-soft);
            letter-spacing: 0.01em;
        }

        .brand-intro .brand-text strong {
            color: #fff;
            font-weight: 600;
        }

        .brand-intro-img {
            background: var(--bg-card);
            border-radius: var(--radius-card);
            border: 1px solid var(--border-glass);
            overflow: hidden;
            box-shadow: var(--shadow-card);
            min-height: 300px;
            display: flex;
            align-items: center;
            justify-content: center;
        }

        .brand-intro-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            filter: brightness(0.65);
        }

        /* ============ 快速解答 ============ */
        .quick-answer-grid {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 16px;
        }

        .quick-answer-card {
            background: var(--bg-card);
            backdrop-filter: blur(16px);
            border: 1px solid var(--border-glass);
            border-radius: 16px;
            padding: 20px 22px;
            transition: border-color 0.3s ease, transform 0.3s ease;
        }

        .quick-answer-card:hover {
            border-color: var(--border-glass-hover);
            transform: translateY(-2px);
        }

        .quick-answer-card .qa-icon {
            color: var(--color-cyan);
            margin-bottom: 8px;
            font-size: 1.1rem;
        }

        .quick-answer-card .qa-title {
            font-size: 0.95rem;
            font-weight: 600;
            color: #fff;
            margin-bottom: 4px;
        }

        .quick-answer-card .qa-brief {
            font-size: 0.82rem;
            color: var(--text-muted);
            line-height: 1.7;
        }

        /* ============ FAQ ============ */
        .faq-list {
            display: flex;
            flex-direction: column;
            gap: 12px;
        }

        .faq-item {
            background: var(--bg-card);
            backdrop-filter: blur(16px);
            border: 1px solid var(--border-glass);
            border-radius: 16px;
            overflow: hidden;
            transition: border-color 0.3s ease, background 0.3s ease;
        }

        .faq-item.active {
            border-color: var(--border-glass-hover);
            background: var(--bg-card-hover);
        }

        .faq-question {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 18px 22px;
            cursor: pointer;
            font-weight: 600;
            font-size: 0.95rem;
            color: #fff;
            gap: 16px;
            user-select: none;
            transition: color 0.3s ease;
        }

        .faq-question:hover {
            color: var(--color-accent);
        }

        .faq-question .fa-chevron-down {
            transition: transform 0.3s ease;
            color: var(--text-muted);
            flex-shrink: 0;
        }

        .faq-item.active .faq-question .fa-chevron-down {
            transform: rotate(180deg);
            color: var(--color-accent);
        }

        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.4s ease, padding 0.3s ease;
            padding: 0 22px;
            color: var(--text-muted);
            font-size: 0.9rem;
            line-height: 1.85;
        }

        .faq-item.active .faq-answer {
            max-height: 350px;
            padding: 0 22px 20px;
        }

        /* ============ 转化表单 ============ */
        .cta-section {
            background: linear-gradient(135deg, rgba(27, 79, 255, 0.12) 0%, rgba(0, 194, 255, 0.08) 50%, rgba(11, 17, 40, 0.6) 100%);
            border: 1px solid rgba(110, 180, 255, 0.15);
            border-radius: 24px;
            padding: 48px 40px;
            box-shadow: var(--shadow-card);
            backdrop-filter: blur(20px);
        }

        .cta-form-container {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 36px;
            align-items: center;
        }

        .cta-form-info .cta-form-title {
            font-size: 1.5rem;
            font-weight: 700;
            color: #fff;
            margin-bottom: 10px;
        }

        .cta-form-info .cta-form-desc {
            font-size: 0.95rem;
            color: var(--text-muted);
            line-height: 1.8;
        }

        .subscribe-form {
            display: flex;
            flex-direction: column;
            gap: 14px;
        }

        .form-field {
            display: flex;
            flex-direction: column;
            gap: 6px;
        }

        .form-field label {
            font-size: 0.82rem;
            font-weight: 500;
            color: var(--text-soft);
            letter-spacing: 0.02em;
        }

        .form-field input,
        .form-field select {
            background: rgba(255, 255, 255, 0.07);
            border: 1px solid rgba(110, 180, 255, 0.2);
            border-radius: var(--radius-input);
            padding: 14px 16px;
            color: #fff;
            font-size: 0.95rem;
            transition: border-color 0.3s ease, box-shadow 0.3s ease, background 0.3s ease;
            width: 100%;
        }

        .form-field input:focus,
        .form-field select:focus {
            border-color: rgba(0, 194, 255, 0.6);
            box-shadow: 0 0 12px rgba(0, 194, 255, 0.25);
            outline: none;
            background: rgba(255, 255, 255, 0.1);
        }

        .form-field input::placeholder {
            color: var(--text-faint);
        }

        .privacy-note {
            font-size: 0.75rem;
            color: var(--text-faint);
            line-height: 1.7;
            margin-top: 4px;
        }

        .btn-submit {
            background: linear-gradient(135deg, #00C2FF 0%, #1B4FFF 100%);
            color: #fff;
            font-weight: 600;
            padding: 14px 28px;
            border-radius: var(--radius-btn);
            font-size: 0.95rem;
            box-shadow: var(--shadow-glow);
            transition: box-shadow 0.3s ease, transform 0.2s ease, filter 0.3s ease;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            border: none;
            cursor: pointer;
            width: 100%;
        }

        .btn-submit:hover {
            box-shadow: var(--shadow-glow-hover);
            filter: brightness(1.1);
            transform: translateY(-1px);
        }

        .btn-submit:active {
            transform: scale(0.98);
        }

        /* ============ 话题标签云 ============ */
        .tag-cloud {
            display: flex;
            flex-wrap: wrap;
            gap: 10px;
            justify-content: center;
        }

        .tag-cloud a {
            display: inline-block;
            padding: 8px 18px;
            background: rgba(255, 255, 255, 0.05);
            border: 1px solid rgba(110, 180, 255, 0.18);
            border-radius: var(--radius-btn);
            font-size: 0.82rem;
            color: var(--text-soft);
            text-decoration: none;
            transition: background 0.3s ease, border-color 0.3s ease, color 0.3s ease;
        }

        .tag-cloud a:hover {
            background: rgba(0, 194, 255, 0.12);
            border-color: rgba(0, 194, 255, 0.4);
            color: #fff;
        }

        /* ============ 页脚 ============ */
        .site-footer {
            background: #060A1A;
            border-top: 1px solid rgba(110, 180, 255, 0.1);
            padding: 56px 0 32px;
            margin-top: 60px;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1fr;
            gap: 40px;
            margin-bottom: 36px;
        }

        .footer-brand .footer-logo {
            font-size: 1.25rem;
            font-weight: 700;
            color: #fff;
            margin-bottom: 10px;
            display: flex;
            align-items: center;
            gap: 8px;
        }

        .footer-brand .footer-logo i {
            color: var(--color-accent);
        }

        .footer-brand .footer-desc {
            font-size: 0.85rem;
            color: var(--text-faint);
            line-height: 1.8;
        }

        .footer-col-title {
            font-size: 0.88rem;
            font-weight: 600;
            color: var(--text-soft);
            margin-bottom: 14px;
            letter-spacing: 0.04em;
        }

        .footer-col ul {
            list-style: none;
            padding: 0;
            margin: 0;
        }

        .footer-col ul li {
            margin-bottom: 8px;
        }

        .footer-col ul a {
            font-size: 0.85rem;
            color: var(--text-faint);
            text-decoration: none;
            transition: color 0.25s ease;
        }

        .footer-col ul a:hover {
            color: var(--color-accent);
        }

        .footer-bottom {
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            padding-top: 20px;
            border-top: 1px solid rgba(110, 180, 255, 0.08);
        }

        .footer-bottom .copyright {
            font-size: 0.8rem;
            color: var(--text-faint);
        }

        .footer-bottom .footer-links {
            display: flex;
            gap: 16px;
            font-size: 0.8rem;
        }

        .footer-bottom .footer-links a {
            color: var(--text-faint);
            text-decoration: none;
            transition: color 0.25s ease;
        }

        .footer-bottom .footer-links a:hover {
            color: var(--color-accent);
        }

        /* ============ 响应式断点 ============ */
        @media (max-width: 1280px) {
            .metrics-board {
                grid-template-columns: repeat(5, 1fr);
                gap: 12px;
            }
            .metric-number {
                font-size: 1.6rem;
            }
        }

        @media (max-width: 1024px) {
            .hero-section {
                min-height: 520px;
                padding-top: calc(var(--nav-height) + 40px);
                padding-bottom: 60px;
                clip-path: none;
                border-radius: 0 0 24px 24px;
            }
            .metrics-board {
                grid-template-columns: repeat(3, 1fr);
                margin-top: -30px;
            }
            .service-matrix {
                grid-template-columns: 1fr 1fr;
            }
            .service-card.featured {
                grid-column: span 2;
                grid-row: span 1;
            }
            .comparison-grid {
                grid-template-columns: 1fr 1fr;
            }
            .topic-grid {
                grid-template-columns: 1fr 1fr;
            }
            .timeline {
                grid-template-columns: repeat(2, 1fr);
                gap: 28px 20px;
            }
            .timeline::before {
                display: none;
            }
            .guarantee-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .brand-intro {
                grid-template-columns: 1fr;
                gap: 24px;
            }
            .cta-form-container {
                grid-template-columns: 1fr;
                gap: 24px;
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 28px;
            }
        }

        @media (max-width: 768px) {
            :root {
                --gap-section: 56px;
                --nav-height: 64px;
            }
            .nav-links {
                display: none;
            }
            .nav-cta.desktop-cta {
                display: none;
            }
            .hamburger-toggle {
                display: flex;
            }
            .mobile-nav-panel {
                display: none;
            }
            .mobile-nav-panel.is-visible {
                display: flex;
            }
            .hero-section {
                min-height: 480px;
                padding-top: calc(var(--nav-height) + 32px);
                padding-bottom: 48px;
            }
            .hero-title {
                font-size: 1.75rem;
            }
            .hero-desc {
                font-size: 0.95rem;
            }
            .metrics-board {
                grid-template-columns: repeat(2, 1fr);
                gap: 10px;
                margin-top: -24px;
            }
            .metric-card {
                padding: 16px 14px;
            }
            .metric-number {
                font-size: 1.4rem;
            }
            .service-matrix {
                grid-template-columns: 1fr;
            }
            .service-card.featured {
                grid-column: span 1;
            }
            .comparison-grid {
                grid-template-columns: 1fr;
            }
            .topic-grid {
                grid-template-columns: 1fr;
            }
            .guarantee-grid {
                grid-template-columns: 1fr 1fr;
                gap: 12px;
            }
            .quick-answer-grid {
                grid-template-columns: 1fr;
            }
            .news-item {
                flex-direction: column;
                gap: 12px;
            }
            .news-date-badge {
                min-width: auto;
                display: inline-flex;
                gap: 6px;
                align-items: baseline;
                width: fit-content;
            }
            .news-readmore {
                align-self: flex-start;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 24px;
            }
            .footer-bottom {
                flex-direction: column;
                text-align: center;
                gap: 10px;
            }
            .cta-section {
                padding: 32px 20px;
                border-radius: 16px;
            }
            .timeline {
                grid-template-columns: 1fr;
                gap: 20px;
            }
            .section-title {
                font-size: 1.4rem;
            }
            .container-main {
                padding: 0 16px;
            }
        }

        @media (max-width: 520px) {
            .hero-section {
                min-height: 440px;
                padding-top: calc(var(--nav-height) + 28px);
                padding-bottom: 40px;
            }
            .hero-title {
                font-size: 1.5rem;
            }
            .hero-actions {
                flex-direction: column;
            }
            .btn {
                padding: 12px 24px;
                font-size: 0.88rem;
                justify-content: center;
            }
            .metrics-board {
                grid-template-columns: 1fr 1fr;
                gap: 8px;
            }
            .metric-number {
                font-size: 1.25rem;
            }
            .guarantee-grid {
                grid-template-columns: 1fr;
            }
            .brand-logo {
                font-size: 1rem;
            }
            .brand-logo .logo-icon {
                width: 32px;
                height: 32px;
                font-size: 0.95rem;
            }
        }

/* roulang page: category1 */
:root {
            --bg-primary: #080D1F;
            --bg-elevated: #0B1128;
            --bg-card: rgba(8, 15, 40, 0.55);
            --bg-card-hover: rgba(11, 25, 60, 0.78);
            --color-primary: #1B4FFF;
            --color-primary-light: #0B6EFF;
            --color-accent: #00C2FF;
            --color-cyan: #00C9E8;
            --color-amber: #FFB300;
            --color-green: #35F0B0;
            --color-danger: #FF4D6D;
            --text-white: #F0F4FF;
            --text-soft: #C8D4E8;
            --text-muted: #8A98B8;
            --text-faint: #66739A;
            --border-glass: rgba(110, 180, 255, 0.18);
            --border-glass-hover: rgba(0, 194, 255, 0.38);
            --highlight-glass: rgba(255, 255, 255, 0.06);
            --shadow-card: 0 24px 60px rgba(0, 0, 0, 0.38);
            --shadow-glow: 0 0 24px rgba(0, 194, 255, 0.35);
            --shadow-glow-hover: 0 0 32px rgba(0, 194, 255, 0.55);
            --radius-card: 20px;
            --radius-tag: 8px;
            --radius-btn: 999px;
            --radius-input: 10px;
            --gap-section: 96px;
            --gap-section-mobile: 48px;
            --container-max: 1200px;
            --nav-height: 72px;
            --font-sans: 'PingFang SC', 'Microsoft YaHei', 'Noto Sans SC', 'Inter', sans-serif;
            --font-mono: 'Inter', 'Roboto Condensed', 'SF Pro Display', monospace;
        }

        html {
            scroll-behavior: smooth;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }

        *,
        *::before,
        *::after {
            box-sizing: border-box;
        }

        body {
            font-family: var(--font-sans);
            font-size: 16px;
            line-height: 1.85;
            color: var(--text-white);
            background-color: var(--bg-primary);
            background-image:
                radial-gradient(ellipse at 20% 10%, rgba(27, 79, 255, 0.14) 0%, transparent 55%),
                radial-gradient(ellipse at 85% 20%, rgba(0, 194, 255, 0.10) 0%, transparent 50%),
                radial-gradient(ellipse at 50% 70%, rgba(27, 79, 255, 0.06) 0%, transparent 60%);
            background-attachment: fixed;
            min-height: 100vh;
            overflow-x: hidden;
            margin: 0;
            padding: 0;
        }

        a {
            color: var(--color-accent);
            text-decoration: none;
            transition: color 0.25s ease;
        }

        a:hover {
            color: #66d9ff;
        }

        img {
            max-width: 100%;
            height: auto;
            display: block;
        }

        button,
        input,
        select,
        textarea {
            font-family: inherit;
            font-size: inherit;
            line-height: inherit;
        }

        button {
            cursor: pointer;
            border: none;
            background: none;
            color: inherit;
        }

        ul {
            list-style: none;
            margin: 0;
            padding: 0;
        }

        .container-main {
            max-width: var(--container-max);
            margin: 0 auto;
            padding: 0 24px;
        }

        /* ============ 导航 ============ */
        .site-header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 999;
            background: linear-gradient(135deg, #070C20 0%, #0A1A4A 35%, #1B4FFF 100%);
            box-shadow: 0 4px 24px rgba(0, 0, 0, 0.32);
            height: var(--nav-height);
            display: flex;
            align-items: center;
            transition: box-shadow 0.3s ease;
        }

        .site-header.scrolled {
            box-shadow: 0 8px 32px rgba(0, 0, 0, 0.45);
        }

        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 24px;
            width: 100%;
        }

        .brand-logo {
            display: flex;
            align-items: center;
            gap: 10px;
            color: #fff;
            text-decoration: none;
            font-weight: 700;
            font-size: 1.15rem;
            letter-spacing: 0.02em;
            white-space: nowrap;
        }

        .brand-logo .logo-icon {
            width: 38px;
            height: 38px;
            background: linear-gradient(135deg, #00C2FF, #1B4FFF);
            border-radius: 10px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.1rem;
            color: #fff;
            box-shadow: 0 0 18px rgba(0, 194, 255, 0.32);
        }

        .brand-logo span.brand-text {
            color: #fff;
            font-weight: 700;
            letter-spacing: 0.03em;
        }

        .nav-links {
            display: flex;
            align-items: center;
            gap: 6px;
        }

        .nav-links a {
            display: block;
            padding: 8px 14px;
            color: rgba(240, 244, 255, 0.82);
            font-size: 0.92rem;
            font-weight: 500;
            text-decoration: none;
            border-radius: 8px;
            transition: background 0.25s ease, color 0.25s ease;
            white-space: nowrap;
        }

        .nav-links a:hover,
        .nav-links a:focus {
            background: rgba(255, 255, 255, 0.12);
            color: #fff;
        }

        .nav-links a.active {
            color: #fff;
            background: rgba(255, 255, 255, 0.08);
            box-shadow: inset 0 -2px 0 var(--color-accent);
        }

        .nav-cta {
            background: linear-gradient(135deg, #FFB300 0%, #FF8C00 100%);
            color: #1a1a1a;
            padding: 10px 22px;
            border-radius: var(--radius-btn);
            font-weight: 700;
            font-size: 0.9rem;
            letter-spacing: 0.02em;
            box-shadow: 0 4px 16px rgba(255, 179, 0, 0.28);
            transition: transform 0.25s ease, box-shadow 0.25s ease, background 0.25s ease;
            white-space: nowrap;
        }

        .nav-cta:hover {
            transform: translateY(-2px);
            box-shadow: 0 8px 24px rgba(255, 179, 0, 0.45);
            color: #1a1a1a;
            background: linear-gradient(135deg, #FFC23D 0%, #FFA030 100%);
        }

        .hamburger-toggle {
            display: none;
            flex-direction: column;
            gap: 5px;
            width: 40px;
            height: 40px;
            align-items: center;
            justify-content: center;
            background: rgba(255, 255, 255, 0.1);
            border-radius: 10px;
            transition: background 0.25s ease;
        }

        .hamburger-toggle span {
            display: block;
            width: 20px;
            height: 2px;
            background: #fff;
            border-radius: 2px;
            transition: all 0.3s ease;
        }

        .hamburger-toggle:hover {
            background: rgba(255, 255, 255, 0.2);
        }

        .mobile-menu {
            display: none;
            position: fixed;
            top: var(--nav-height);
            left: 0;
            right: 0;
            background: rgba(7, 12, 32, 0.97);
            backdrop-filter: blur(24px);
            -webkit-backdrop-filter: blur(24px);
            padding: 16px 24px 24px;
            z-index: 998;
            border-bottom: 1px solid var(--border-glass);
            box-shadow: 0 20px 40px rgba(0, 0, 0, 0.45);
        }

        .mobile-menu.open {
            display: block;
        }

        .mobile-menu ul {
            display: flex;
            flex-direction: column;
            gap: 6px;
        }

        .mobile-menu a {
            display: block;
            padding: 12px 16px;
            color: var(--text-soft);
            font-size: 1rem;
            text-decoration: none;
            border-radius: 10px;
            transition: background 0.25s, color 0.25s;
        }

        .mobile-menu a:hover,
        .mobile-menu a.active {
            background: rgba(255, 255, 255, 0.08);
            color: #fff;
        }

        .mobile-menu .nav-cta {
            display: inline-block;
            margin-top: 12px;
            text-align: center;
        }

        /* ============ 页面主体 ============ */
        .page-main {
            padding-top: calc(var(--nav-height) + 32px);
            padding-bottom: var(--gap-section);
        }

        .breadcrumb-bar {
            display: flex;
            align-items: center;
            flex-wrap: wrap;
            gap: 8px;
            margin-bottom: 20px;
            font-size: 0.85rem;
            color: var(--text-muted);
        }

        .breadcrumb-bar a {
            color: var(--text-muted);
            transition: color 0.25s;
        }

        .breadcrumb-bar a:hover {
            color: var(--color-accent);
        }

        .breadcrumb-bar .separator {
            color: var(--text-faint);
        }

        .breadcrumb-bar .current {
            color: var(--text-soft);
            font-weight: 500;
        }

        /* ============ 分类页头区 ============ */
        .category-header-section {
            margin-bottom: 40px;
        }

        .category-header-card {
            background: var(--bg-card);
            border: 1px solid var(--border-glass);
            border-radius: var(--radius-card);
            padding: 36px 32px;
            backdrop-filter: blur(20px);
            -webkit-backdrop-filter: blur(20px);
            box-shadow: var(--shadow-card);
            position: relative;
            overflow: hidden;
        }

        .category-header-card::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            bottom: 0;
            background: linear-gradient(135deg, rgba(0, 194, 255, 0.05) 0%, rgba(27, 79, 255, 0.03) 100%);
            pointer-events: none;
        }

        .category-header-card .header-tag-line {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: rgba(0, 194, 255, 0.12);
            color: var(--color-accent);
            font-size: 0.78rem;
            font-weight: 600;
            letter-spacing: 0.06em;
            padding: 6px 14px;
            border-radius: var(--radius-tag);
            margin-bottom: 18px;
            border: 1px solid rgba(0, 194, 255, 0.2);
        }

        .category-header-card h1 {
            font-size: 2.2rem;
            font-weight: 700;
            line-height: 1.3;
            margin: 0 0 14px;
            color: var(--text-white);
            letter-spacing: 0.02em;
        }

        .category-header-card .category-summary {
            font-size: 1rem;
            line-height: 1.9;
            color: var(--text-soft);
            max-width: 720px;
            margin: 0;
        }

        /* ============ 筛选工具栏 ============ */
        .filter-toolbar {
            background: var(--bg-card);
            border: 1px solid var(--border-glass);
            border-radius: 14px;
            padding: 18px 20px;
            display: flex;
            align-items: center;
            flex-wrap: wrap;
            gap: 14px;
            backdrop-filter: blur(18px);
            -webkit-backdrop-filter: blur(18px);
            margin-bottom: 32px;
            box-shadow: 0 10px 30px rgba(0, 0, 0, 0.25);
        }

        .filter-toolbar .filter-label {
            color: var(--text-muted);
            font-size: 0.85rem;
            font-weight: 500;
            display: flex;
            align-items: center;
            gap: 6px;
        }

        .filter-toolbar select {
            background: rgba(255, 255, 255, 0.06);
            border: 1px solid var(--border-glass);
            border-radius: var(--radius-input);
            color: var(--text-soft);
            padding: 8px 14px;
            font-size: 0.85rem;
            outline: none;
            transition: border-color 0.25s, box-shadow 0.25s;
            min-width: 120px;
            appearance: none;
            -webkit-appearance: none;
            background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 12 12'%3E%3Cpath fill='%238A98B8' d='M6 8L1 3h10z'/%3E%3C/svg%3E");
            background-repeat: no-repeat;
            background-position: right 12px center;
            cursor: pointer;
        }

        .filter-toolbar select:focus {
            border-color: var(--color-accent);
            box-shadow: 0 0 0 3px rgba(0, 194, 255, 0.15);
        }

        .filter-toolbar select option {
            background: #0B1128;
            color: var(--text-soft);
        }

        .filter-toolbar .filter-actions {
            display: flex;
            gap: 8px;
            margin-left: auto;
        }

        .btn-outline-sm {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 8px 16px;
            border-radius: var(--radius-btn);
            border: 1px solid var(--border-glass);
            color: var(--text-soft);
            font-size: 0.82rem;
            font-weight: 500;
            transition: all 0.25s ease;
            background: transparent;
        }

        .btn-outline-sm:hover {
            background: rgba(255, 255, 255, 0.08);
            border-color: var(--border-glass-hover);
            color: #fff;
        }

        /* ============ 卡片列表主体 ============ */
        .match-list-section {
            margin-bottom: 40px;
        }

        .section-heading {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            margin-bottom: 24px;
            flex-wrap: wrap;
        }

        .section-heading h2 {
            font-size: 1.5rem;
            font-weight: 700;
            margin: 0;
            color: var(--text-white);
            letter-spacing: 0.01em;
            display: flex;
            align-items: center;
            gap: 10px;
        }

        .section-heading .heading-icon {
            width: 36px;
            height: 36px;
            border-radius: 10px;
            background: linear-gradient(135deg, rgba(0, 194, 255, 0.18), rgba(27, 79, 255, 0.18));
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--color-accent);
            font-size: 0.95rem;
            border: 1px solid var(--border-glass);
        }

        .section-heading .heading-note {
            font-size: 0.85rem;
            color: var(--text-muted);
        }

        .match-card-list {
            display: flex;
            flex-direction: column;
            gap: 16px;
        }

        .match-card {
            background: var(--bg-card);
            border: 1px solid var(--border-glass);
            border-radius: 16px;
            padding: 22px 24px;
            display: grid;
            grid-template-columns: 86px 1fr auto;
            gap: 20px;
            align-items: center;
            backdrop-filter: blur(18px);
            -webkit-backdrop-filter: blur(18px);
            box-shadow: 0 10px 30px rgba(0, 0, 0, 0.22);
            transition: transform 0.3s ease, border-color 0.3s ease, box-shadow 0.3s ease, background 0.3s ease;
        }

        .match-card:hover {
            transform: translateY(-4px);
            border-color: var(--border-glass-hover);
            background: var(--bg-card-hover);
            box-shadow: 0 18px 45px rgba(0, 0, 0, 0.38);
        }

        .match-card .match-date-badge {
            display: flex;
            flex-direction: column;
            align-items: center;
            justify-content: center;
            background: rgba(255, 255, 255, 0.05);
            border-radius: 12px;
            padding: 12px 8px;
            border: 1px solid var(--border-glass);
            min-width: 70px;
        }

        .match-card .match-date-badge .date-day {
            font-family: var(--font-mono);
            font-size: 1.6rem;
            font-weight: 700;
            color: var(--text-white);
            line-height: 1.1;
        }

        .match-card .match-date-badge .date-month {
            font-size: 0.75rem;
            color: var(--text-muted);
            font-weight: 500;
            letter-spacing: 0.04em;
            text-transform: uppercase;
        }

        .match-card .match-info {
            min-width: 0;
        }

        .match-card .match-info .match-title {
            font-size: 1.08rem;
            font-weight: 600;
            color: var(--text-white);
            margin: 0 0 6px;
            line-height: 1.45;
            display: flex;
            align-items: center;
            gap: 8px;
            flex-wrap: wrap;
        }

        .match-card .match-info .match-title .status-tag {
            font-size: 0.7rem;
            font-weight: 600;
            padding: 3px 10px;
            border-radius: var(--radius-tag);
            letter-spacing: 0.03em;
        }

        .status-tag.upcoming {
            background: rgba(0, 194, 255, 0.15);
            color: var(--color-accent);
            border: 1px solid rgba(0, 194, 255, 0.25);
        }

        .status-tag.live {
            background: rgba(255, 77, 109, 0.15);
            color: var(--color-danger);
            border: 1px solid rgba(255, 77, 109, 0.3);
            animation: pulse-live 1.5s ease-in-out infinite;
        }

        .status-tag.finished {
            background: rgba(53, 240, 176, 0.12);
            color: var(--color-green);
            border: 1px solid rgba(53, 240, 176, 0.22);
        }

        .status-tag.postponed {
            background: rgba(255, 179, 0, 0.12);
            color: var(--color-amber);
            border: 1px solid rgba(255, 179, 0, 0.25);
        }

        @keyframes pulse-live {
            0%,
            100% {
                opacity: 1;
            }
            50% {
                opacity: 0.55;
            }
        }

        .match-card .match-info .match-summary {
            font-size: 0.88rem;
            color: var(--text-muted);
            margin: 0;
            line-height: 1.7;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }

        .match-card .match-link {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 10px 18px;
            border-radius: var(--radius-btn);
            border: 1px solid var(--border-glass);
            color: var(--text-soft);
            font-size: 0.82rem;
            font-weight: 500;
            white-space: nowrap;
            transition: all 0.25s ease;
            background: transparent;
        }

        .match-card .match-link:hover {
            background: rgba(0, 194, 255, 0.1);
            border-color: var(--border-glass-hover);
            color: #fff;
        }

        /* ============ 数据提示卡 ============ */
        .data-tip-section {
            margin-bottom: 48px;
        }

        .data-tip-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 20px;
        }

        .data-tip-card {
            background: var(--bg-card);
            border: 1px solid var(--border-glass);
            border-radius: 16px;
            padding: 22px;
            backdrop-filter: blur(18px);
            -webkit-backdrop-filter: blur(18px);
            box-shadow: 0 10px 30px rgba(0, 0, 0, 0.22);
            transition: transform 0.3s, border-color 0.3s;
        }

        .data-tip-card:hover {
            transform: translateY(-3px);
            border-color: var(--border-glass-hover);
        }

        .data-tip-card .tip-icon {
            width: 40px;
            height: 40px;
            border-radius: 12px;
            background: rgba(0, 194, 255, 0.12);
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--color-accent);
            font-size: 1rem;
            margin-bottom: 14px;
            border: 1px solid rgba(0, 194, 255, 0.18);
        }

        .data-tip-card h3 {
            font-size: 1rem;
            font-weight: 600;
            color: var(--text-white);
            margin: 0 0 8px;
        }

        .data-tip-card p {
            font-size: 0.86rem;
            color: var(--text-muted);
            margin: 0;
            line-height: 1.75;
        }

        /* ============ 热点条目 ============ */
        .hot-topics-section {
            margin-bottom: 48px;
        }

        .hot-topics-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 18px;
        }

        .hot-topic-card {
            background: var(--bg-card);
            border: 1px solid var(--border-glass);
            border-radius: 14px;
            overflow: hidden;
            backdrop-filter: blur(18px);
            -webkit-backdrop-filter: blur(18px);
            box-shadow: 0 8px 26px rgba(0, 0, 0, 0.2);
            transition: transform 0.3s, border-color 0.3s;
            display: flex;
            flex-direction: column;
        }

        .hot-topic-card:hover {
            transform: translateY(-3px);
            border-color: var(--border-glass-hover);
        }

        .hot-topic-card .topic-img {
            aspect-ratio: 16/9;
            overflow: hidden;
            background: #0B1128;
        }

        .hot-topic-card .topic-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.4s ease;
        }

        .hot-topic-card:hover .topic-img img {
            transform: scale(1.05);
        }

        .hot-topic-card .topic-body {
            padding: 16px 18px 18px;
            flex: 1;
            display: flex;
            flex-direction: column;
        }

        .hot-topic-card .topic-title {
            font-size: 0.92rem;
            font-weight: 600;
            color: var(--text-white);
            margin: 0 0 6px;
            line-height: 1.5;
        }

        .hot-topic-card .topic-description {
            font-size: 0.82rem;
            color: var(--text-muted);
            line-height: 1.7;
            margin: 0;
        }

        /* ============ 标签云 ============ */
        .tag-cloud-section {
            margin-bottom: 48px;
        }

        .tag-cloud {
            display: flex;
            flex-wrap: wrap;
            gap: 10px;
        }

        .tag-badge {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 8px 16px;
            border-radius: var(--radius-tag);
            background: rgba(255, 255, 255, 0.05);
            border: 1px solid var(--border-glass);
            color: var(--text-soft);
            font-size: 0.8rem;
            font-weight: 500;
            transition: all 0.25s ease;
            cursor: default;
        }

        .tag-badge:hover {
            background: rgba(0, 194, 255, 0.1);
            border-color: var(--border-glass-hover);
            color: #fff;
        }

        /* ============ FAQ ============ */
        .faq-section {
            margin-bottom: 48px;
        }

        .faq-list {
            display: flex;
            flex-direction: column;
            gap: 12px;
        }

        .faq-item {
            background: var(--bg-card);
            border: 1px solid var(--border-glass);
            border-radius: 14px;
            overflow: hidden;
            backdrop-filter: blur(18px);
            -webkit-backdrop-filter: blur(18px);
            box-shadow: 0 8px 26px rgba(0, 0, 0, 0.2);
            transition: border-color 0.3s;
        }

        .faq-item.open {
            border-color: var(--border-glass-hover);
            background: var(--bg-card-hover);
        }

        .faq-question {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 12px;
            padding: 18px 20px;
            cursor: pointer;
            transition: background 0.25s;
            width: 100%;
            text-align: left;
        }

        .faq-question:hover {
            background: rgba(255, 255, 255, 0.05);
        }

        .faq-question h3 {
            font-size: 0.95rem;
            font-weight: 600;
            color: var(--text-white);
            margin: 0;
            flex: 1;
            line-height: 1.6;
        }

        .faq-arrow {
            width: 28px;
            height: 28px;
            border-radius: 50%;
            background: rgba(255, 255, 255, 0.06);
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--text-muted);
            font-size: 0.8rem;
            transition: transform 0.3s ease, color 0.3s;
            flex-shrink: 0;
        }

        .faq-item.open .faq-arrow {
            transform: rotate(180deg);
            color: var(--color-accent);
        }

        .faq-answer {
            padding: 0 20px 18px;
            display: none;
            color: var(--text-soft);
            font-size: 0.88rem;
            line-height: 1.85;
        }

        .faq-item.open .faq-answer {
            display: block;
        }

        /* ============ CTA 订阅区 ============ */
        .cta-section {
            margin-bottom: 24px;
        }

        .cta-card {
            background: var(--bg-card);
            border: 1px solid var(--border-glass);
            border-radius: var(--radius-card);
            padding: 40px 36px;
            backdrop-filter: blur(24px);
            -webkit-backdrop-filter: blur(24px);
            box-shadow: var(--shadow-card);
            position: relative;
            overflow: hidden;
        }

        .cta-card::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            bottom: 0;
            background: linear-gradient(135deg, rgba(0, 194, 255, 0.06) 0%, rgba(27, 79, 255, 0.04) 100%);
            pointer-events: none;
        }

        .cta-card .cta-inner {
            position: relative;
            z-index: 1;
            display: grid;
            grid-template-columns: 1fr auto;
            gap: 28px;
            align-items: center;
        }

        .cta-card h2 {
            font-size: 1.4rem;
            font-weight: 700;
            color: var(--text-white);
            margin: 0 0 8px;
        }

        .cta-card p {
            font-size: 0.9rem;
            color: var(--text-muted);
            margin: 0;
            line-height: 1.8;
        }

        .btn-glow {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: linear-gradient(135deg, #00C2FF 0%, #1B4FFF 100%);
            color: #fff;
            padding: 14px 28px;
            border-radius: var(--radius-btn);
            font-weight: 700;
            font-size: 0.92rem;
            letter-spacing: 0.03em;
            box-shadow: var(--shadow-glow);
            transition: all 0.3s ease;
            white-space: nowrap;
        }

        .btn-glow:hover {
            box-shadow: var(--shadow-glow-hover);
            transform: translateY(-2px);
            color: #fff;
            background: linear-gradient(135deg, #1FC8FF 0%, #2A5FFF 100%);
        }

        .btn-glow:active {
            transform: scale(0.98);
        }

        .btn-glow:focus-visible {
            outline: 2px solid rgba(0, 194, 255, 0.7);
            outline-offset: 2px;
        }

        /* ============ 页脚 ============ */
        .site-footer {
            background: #060A1A;
            border-top: 1px solid var(--border-glass);
            padding: 56px 0 28px;
            margin-top: 0;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 1.6fr 1fr 1fr 1fr;
            gap: 36px;
            margin-bottom: 36px;
        }

        .footer-logo {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 1.2rem;
            font-weight: 700;
            color: #fff;
            margin-bottom: 14px;
        }

        .footer-logo i {
            color: var(--color-accent);
            font-size: 1.1rem;
        }

        .footer-desc {
            font-size: 0.88rem;
            color: var(--text-muted);
            line-height: 1.8;
            margin: 0;
            max-width: 360px;
        }

        .footer-col-title {
            font-size: 0.92rem;
            font-weight: 600;
            color: var(--text-white);
            margin-bottom: 14px;
            letter-spacing: 0.03em;
        }

        .footer-col ul {
            display: flex;
            flex-direction: column;
            gap: 8px;
        }

        .footer-col a {
            font-size: 0.85rem;
            color: var(--text-muted);
            transition: color 0.25s;
        }

        .footer-col a:hover {
            color: var(--color-accent);
        }

        .footer-bottom {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            flex-wrap: wrap;
            border-top: 1px solid rgba(110, 180, 255, 0.1);
            padding-top: 22px;
        }

        .copyright {
            font-size: 0.8rem;
            color: var(--text-faint);
        }

        .footer-links {
            display: flex;
            align-items: center;
            gap: 18px;
        }

        .footer-links a {
            font-size: 0.8rem;
            color: var(--text-faint);
            transition: color 0.25s;
        }

        .footer-links a:hover {
            color: var(--color-accent);
        }

        /* ============ 响应式 ============ */
        @media (max-width: 1024px) {
            :root {
                --gap-section: 64px;
                --nav-height: 64px;
            }

            .nav-links {
                display: none;
            }

            .desktop-cta {
                display: none;
            }

            .hamburger-toggle {
                display: flex;
            }

            .match-card {
                grid-template-columns: 72px 1fr;
                gap: 14px;
            }

            .match-card .match-link {
                grid-column: 1 / -1;
                justify-content: center;
            }

            .match-card .match-date-badge .date-day {
                font-size: 1.3rem;
            }

            .data-tip-grid {
                grid-template-columns: repeat(2, 1fr);
            }

            .hot-topics-grid {
                grid-template-columns: repeat(2, 1fr);
            }

            .footer-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 28px;
            }
        }

        @media (max-width: 768px) {
            :root {
                --gap-section: 48px;
                --nav-height: 60px;
            }

            .container-main {
                padding: 0 18px;
            }

            .category-header-card {
                padding: 26px 20px;
            }

            .category-header-card h1 {
                font-size: 1.7rem;
            }

            .filter-toolbar {
                padding: 14px 16px;
                gap: 10px;
            }

            .filter-toolbar .filter-actions {
                margin-left: 0;
                width: 100%;
            }

            .filter-toolbar .filter-actions .btn-outline-sm {
                flex: 1;
                justify-content: center;
            }

            .match-card {
                grid-template-columns: 1fr;
                padding: 18px 16px;
            }

            .match-card .match-date-badge {
                flex-direction: row;
                gap: 8px;
                padding: 8px 14px;
                border-radius: 8px;
                align-self: flex-start;
            }

            .match-card .match-date-badge .date-day {
                font-size: 1.1rem;
            }

            .match-card .match-link {
                grid-column: auto;
            }

            .data-tip-grid {
                grid-template-columns: 1fr;
            }

            .hot-topics-grid {
                grid-template-columns: 1fr;
            }

            .cta-card {
                padding: 28px 20px;
            }

            .cta-card .cta-inner {
                grid-template-columns: 1fr;
                gap: 18px;
            }

            .footer-grid {
                grid-template-columns: 1fr;
                gap: 24px;
            }

            .footer-bottom {
                flex-direction: column;
                align-items: flex-start;
                gap: 12px;
            }
        }

        @media (max-width: 520px) {
            .category-header-card h1 {
                font-size: 1.4rem;
            }

            .section-heading h2 {
                font-size: 1.25rem;
            }

            .match-card .match-info .match-title {
                font-size: 0.95rem;
            }

            .filter-toolbar select {
                width: 100%;
            }

            .filter-toolbar .filter-label {
                width: 100%;
            }

            .breadcrumb-bar {
                font-size: 0.75rem;
            }
        }

/* roulang page: category2 */
:root {
        --bg-primary: #080D1F;
        --bg-elevated: #0B1128;
        --bg-card: rgba(8, 15, 40, 0.55);
        --bg-card-hover: rgba(11, 25, 60, 0.78);
        --color-primary: #1B4FFF;
        --color-primary-light: #0B6EFF;
        --color-accent: #00C2FF;
        --color-cyan: #00C9E8;
        --color-amber: #FFB300;
        --color-green: #35F0B0;
        --color-danger: #FF4D6D;
        --text-white: #F0F4FF;
        --text-soft: #C8D4E8;
        --text-muted: #8A98B8;
        --text-faint: #66739A;
        --border-glass: rgba(110, 180, 255, 0.18);
        --border-glass-hover: rgba(0, 194, 255, 0.38);
        --highlight-glass: rgba(255, 255, 255, 0.06);
        --shadow-card: 0 24px 60px rgba(0, 0, 0, 0.38);
        --shadow-glow: 0 0 24px rgba(0, 194, 255, 0.35);
        --shadow-glow-hover: 0 0 32px rgba(0, 194, 255, 0.55);
        --radius-card: 20px;
        --radius-tag: 8px;
        --radius-btn: 999px;
        --radius-input: 10px;
        --gap-section: 56px;
        --gap-section-mobile: 40px;
        --container-max: 1200px;
        --nav-height: 64px;
        --font-sans: 'PingFang SC', 'Microsoft YaHei', 'Noto Sans SC', 'Inter', sans-serif;
        --font-mono: 'Inter', 'Roboto Condensed', 'SF Pro Display', monospace;
    }

    * {
        box-sizing: border-box;
    }

    html {
        scroll-behavior: smooth;
        -webkit-font-smoothing: antialiased;
        -moz-osx-font-smoothing: grayscale;
    }

    body {
        font-family: var(--font-sans);
        font-size: 16px;
        line-height: 1.85;
        color: var(--text-white);
        background-color: var(--bg-primary);
        background-image:
            radial-gradient(ellipse at 20% 10%, rgba(27, 79, 255, 0.14) 0%, transparent 55%),
            radial-gradient(ellipse at 85% 20%, rgba(0, 194, 255, 0.10) 0%, transparent 50%),
            radial-gradient(ellipse at 50% 70%, rgba(27, 79, 255, 0.06) 0%, transparent 60%);
        background-attachment: fixed;
        min-height: 100vh;
        overflow-x: hidden;
        margin: 0;
        padding: 0;
    }

    a {
        color: var(--color-accent);
        text-decoration: none;
        transition: color 0.25s ease;
    }

    a:hover {
        color: #66d9ff;
    }

    img {
        max-width: 100%;
        height: auto;
        display: block;
    }

    button,
    input,
    select,
    textarea {
        font-family: inherit;
        font-size: inherit;
        line-height: inherit;
    }

    button {
        cursor: pointer;
        border: none;
        background: none;
        color: inherit;
    }

    .container-main {
        max-width: var(--container-max);
        margin: 0 auto;
        padding: 0 24px;
    }

    /* ============ 导航 ============ */
    .site-header {
        position: fixed;
        top: 0;
        left: 0;
        right: 0;
        z-index: 999;
        background: linear-gradient(135deg, #070C20 0%, #0A1A4A 35%, #1B4FFF 100%);
        box-shadow: 0 4px 24px rgba(0, 0, 0, 0.32);
        height: var(--nav-height);
        display: flex;
        align-items: center;
        transition: box-shadow 0.3s ease;
    }

    .site-header.scrolled {
        box-shadow: 0 8px 32px rgba(0, 0, 0, 0.45);
    }

    .header-inner {
        display: flex;
        align-items: center;
        justify-content: space-between;
        gap: 24px;
        width: 100%;
    }

    .brand-logo {
        display: flex;
        align-items: center;
        gap: 10px;
        color: #fff;
        text-decoration: none;
        font-weight: 700;
        font-size: 1.15rem;
        letter-spacing: 0.02em;
        white-space: nowrap;
    }

    .brand-logo .logo-icon {
        width: 38px;
        height: 38px;
        background: linear-gradient(135deg, #00C2FF, #1B4FFF);
        border-radius: 10px;
        display: flex;
        align-items: center;
        justify-content: center;
        font-size: 1.1rem;
        color: #fff;
        box-shadow: 0 0 18px rgba(0, 194, 255, 0.32);
    }

    .brand-logo span.brand-text {
        color: #fff;
        font-weight: 700;
        letter-spacing: 0.03em;
    }

    .nav-links {
        display: flex;
        align-items: center;
        gap: 6px;
        list-style: none;
        margin: 0;
        padding: 0;
    }

    .nav-links li {
        position: relative;
    }

    .nav-links a {
        display: block;
        padding: 8px 14px;
        color: rgba(240, 244, 255, 0.82);
        font-size: 0.92rem;
        font-weight: 500;
        text-decoration: none;
        border-radius: 8px;
        transition: background 0.25s ease, color 0.25s ease;
        white-space: nowrap;
    }

    .nav-links a:hover,
    .nav-links a:focus {
        background: rgba(255, 255, 255, 0.12);
        color: #fff;
    }

    .nav-links a.active {
        color: #fff;
        background: rgba(255, 255, 255, 0.08);
        box-shadow: inset 0 -2px 0 var(--color-accent);
    }

    .nav-cta {
        background: linear-gradient(135deg, #FFB300 0%, #FF8C00 100%);
        color: #1a1a1a;
        font-weight: 600;
        padding: 10px 20px;
        border-radius: var(--radius-btn);
        font-size: 0.9rem;
        text-decoration: none;
        white-space: nowrap;
        box-shadow: 0 4px 16px rgba(255, 179, 0, 0.28);
        transition: box-shadow 0.25s ease, transform 0.25s ease;
    }

    .nav-cta:hover {
        box-shadow: 0 8px 24px rgba(255, 179, 0, 0.42);
        color: #1a1a1a;
        transform: translateY(-1px);
    }

    .hamburger-toggle {
        display: none;
        flex-direction: column;
        gap: 5px;
        background: transparent;
        border: none;
        padding: 8px;
    }

    .hamburger-toggle span {
        display: block;
        width: 24px;
        height: 2px;
        background: #fff;
        border-radius: 2px;
        transition: all 0.3s ease;
    }

    /* ============ 面包屑 ============ */
    .breadcrumb-section {
        padding-top: calc(var(--nav-height) + 32px);
        padding-bottom: 16px;
        background: transparent;
    }

    .breadcrumb-nav {
        display: flex;
        align-items: center;
        gap: 8px;
        font-size: 0.88rem;
        color: var(--text-muted);
        flex-wrap: wrap;
    }

    .breadcrumb-nav a {
        color: var(--text-muted);
        transition: color 0.25s ease;
    }

    .breadcrumb-nav a:hover {
        color: var(--color-accent);
    }

    .breadcrumb-sep {
        color: var(--text-faint);
        font-size: 0.8rem;
    }

    .breadcrumb-current {
        color: var(--text-soft);
        font-weight: 500;
    }

    /* ============ 页面头部 ============ */
    .page-header-section {
        padding: 32px 0 24px;
        background: transparent;
        position: relative;
    }

    .page-header-card {
        background: var(--bg-card);
        border: 1px solid var(--border-glass);
        border-radius: var(--radius-card);
        padding: 36px 32px;
        backdrop-filter: blur(22px);
        -webkit-backdrop-filter: blur(22px);
        box-shadow: var(--shadow-card);
        position: relative;
        overflow: hidden;
    }

    .page-header-card::before {
        content: "";
        position: absolute;
        top: -40%;
        right: -10%;
        width: 300px;
        height: 300px;
        background: radial-gradient(circle, rgba(0, 194, 255, 0.12) 0%, transparent 70%);
        border-radius: 50%;
        pointer-events: none;
    }

    .page-header-card h1 {
        font-size: 2rem;
        font-weight: 700;
        margin: 0 0 12px 0;
        color: var(--text-white);
        letter-spacing: 0.02em;
        position: relative;
        z-index: 1;
    }

    .page-header-card .page-summary {
        font-size: 1.05rem;
        color: var(--text-soft);
        line-height: 1.9;
        margin: 0;
        max-width: 860px;
        position: relative;
        z-index: 1;
    }

    .page-header-card .page-stats {
        display: flex;
        gap: 32px;
        margin-top: 20px;
        flex-wrap: wrap;
        position: relative;
        z-index: 1;
    }

    .page-stats .stat-item {
        display: flex;
        align-items: center;
        gap: 8px;
        color: var(--text-muted);
        font-size: 0.9rem;
    }

    .page-stats .stat-item i {
        color: var(--color-accent);
        font-size: 1rem;
    }

    .page-stats .stat-item strong {
        color: var(--text-white);
        font-weight: 600;
        font-family: var(--font-mono);
        letter-spacing: 0.03em;
    }

    /* ============ 筛选工具栏 ============ */
    .filter-section {
        padding: 16px 0 8px;
    }

    .filter-toolbar {
        background: var(--bg-card);
        border: 1px solid var(--border-glass);
        border-radius: 14px;
        padding: 16px 20px;
        backdrop-filter: blur(18px);
        -webkit-backdrop-filter: blur(18px);
        display: flex;
        align-items: center;
        gap: 14px;
        flex-wrap: wrap;
    }

    .filter-group {
        display: flex;
        align-items: center;
        gap: 8px;
    }

    .filter-group label {
        color: var(--text-muted);
        font-size: 0.85rem;
        white-space: nowrap;
    }

    .filter-select {
        background: rgba(8, 15, 40, 0.75);
        border: 1px solid var(--border-glass);
        border-radius: 8px;
        color: var(--text-white);
        padding: 8px 12px;
        font-size: 0.88rem;
        outline: none;
        cursor: pointer;
        transition: border-color 0.25s ease;
        min-width: 120px;
    }

    .filter-select:focus {
        border-color: var(--color-accent);
        box-shadow: 0 0 12px rgba(0, 194, 255, 0.25);
    }

    .filter-select option {
        background: #0B1128;
        color: var(--text-white);
    }

    .filter-btn {
        background: linear-gradient(135deg, #00C2FF 0%, #1B4FFF 100%);
        color: #fff;
        padding: 8px 18px;
        border-radius: 8px;
        font-size: 0.88rem;
        font-weight: 500;
        box-shadow: var(--shadow-glow);
        transition: box-shadow 0.25s ease, transform 0.25s ease;
    }

    .filter-btn:hover {
        box-shadow: var(--shadow-glow-hover);
        transform: translateY(-1px);
    }

    /* ============ 列表卡片 ============ */
    .list-section {
        padding: 24px 0 40px;
    }

    .match-grid {
        display: grid;
        grid-template-columns: repeat(2, 1fr);
        gap: 24px;
    }

    .match-card {
        background: var(--bg-card);
        border: 1px solid var(--border-glass);
        border-radius: var(--radius-card);
        overflow: hidden;
        backdrop-filter: blur(20px);
        -webkit-backdrop-filter: blur(20px);
        box-shadow: var(--shadow-card);
        transition: transform 0.3s ease, box-shadow 0.3s ease, border-color 0.3s ease;
        display: flex;
        flex-direction: column;
    }

    .match-card:hover {
        transform: translateY(-4px);
        box-shadow: 0 28px 68px rgba(0, 0, 0, 0.45);
        border-color: var(--border-glass-hover);
    }

    .match-card-image {
        position: relative;
        height: 180px;
        overflow: hidden;
        background: linear-gradient(135deg, rgba(27, 79, 255, 0.2), rgba(0, 194, 255, 0.1));
    }

    .match-card-image img {
        width: 100%;
        height: 100%;
        object-fit: cover;
        transition: transform 0.5s ease;
    }

    .match-card:hover .match-card-image img {
        transform: scale(1.04);
    }

    .match-card-image .image-overlay {
        position: absolute;
        top: 0;
        left: 0;
        right: 0;
        bottom: 0;
        background: linear-gradient(180deg, rgba(8, 13, 31, 0.1) 0%, rgba(8, 13, 31, 0.85) 100%);
        pointer-events: none;
    }

    .match-card-image .match-type-badge {
        position: absolute;
        top: 12px;
        left: 12px;
        background: rgba(8, 15, 40, 0.8);
        border: 1px solid var(--border-glass);
        backdrop-filter: blur(10px);
        -webkit-backdrop-filter: blur(10px);
        color: var(--text-soft);
        font-size: 0.78rem;
        font-weight: 500;
        padding: 4px 12px;
        border-radius: var(--radius-tag);
        z-index: 2;
    }

    .match-card-body {
        padding: 20px 22px 22px;
        display: flex;
        flex-direction: column;
        flex: 1;
    }

    .match-date {
        display: flex;
        align-items: center;
        gap: 6px;
        color: var(--text-muted);
        font-size: 0.85rem;
        margin-bottom: 10px;
    }

    .match-date i {
        color: var(--color-accent);
        font-size: 0.85rem;
    }

    .match-card-body h3 {
        font-size: 1.15rem;
        font-weight: 600;
        margin: 0 0 10px 0;
        line-height: 1.5;
        color: var(--text-white);
    }

    .match-card-body h3 a {
        color: var(--text-white);
        text-decoration: none;
        transition: color 0.25s ease;
    }

    .match-card-body h3 a:hover {
        color: var(--color-accent);
    }

    .match-card-body .match-summary {
        color: var(--text-soft);
        font-size: 0.94rem;
        line-height: 1.8;
        margin: 0 0 16px 0;
        flex: 1;
    }

    .match-card-footer {
        display: flex;
        align-items: center;
        justify-content: space-between;
        gap: 12px;
        margin-top: auto;
    }

    .read-more-btn {
        display: inline-flex;
        align-items: center;
        gap: 6px;
        background: transparent;
        border: 1px solid var(--border-glass);
        color: var(--text-soft);
        padding: 8px 16px;
        border-radius: var(--radius-btn);
        font-size: 0.88rem;
        font-weight: 500;
        transition: background 0.25s ease, border-color 0.25s ease, color 0.25s ease;
        text-decoration: none;
    }

    .read-more-btn:hover {
        background: rgba(255, 255, 255, 0.08);
        border-color: var(--border-glass-hover);
        color: #fff;
    }

    .match-tags {
        display: flex;
        gap: 6px;
        flex-wrap: wrap;
    }

    .match-tag {
        background: rgba(0, 194, 255, 0.08);
        border: 1px solid rgba(0, 194, 255, 0.16);
        color: var(--color-accent);
        font-size: 0.76rem;
        padding: 3px 10px;
        border-radius: var(--radius-tag);
        white-space: nowrap;
    }

    /* ============ 查看更多 ============ */
    .load-more-section {
        padding: 8px 0 24px;
        text-align: center;
    }

    .load-more-btn {
        display: inline-flex;
        align-items: center;
        gap: 8px;
        background: var(--bg-card);
        border: 1px solid var(--border-glass);
        color: var(--text-soft);
        padding: 12px 28px;
        border-radius: var(--radius-btn);
        font-size: 0.95rem;
        font-weight: 500;
        backdrop-filter: blur(16px);
        -webkit-backdrop-filter: blur(16px);
        transition: background 0.25s ease, border-color 0.25s ease, box-shadow 0.25s ease;
        text-decoration: none;
    }

    .load-more-btn:hover {
        background: var(--bg-card-hover);
        border-color: var(--border-glass-hover);
        box-shadow: var(--shadow-glow);
        color: #fff;
    }

    /* ============ 相关热点 ============ */
    .related-section {
        padding: 32px 0;
    }

    .section-title {
        font-size: 1.5rem;
        font-weight: 600;
        margin: 0 0 24px 0;
        color: var(--text-white);
        letter-spacing: 0.01em;
    }

    .related-grid {
        display: grid;
        grid-template-columns: repeat(4, 1fr);
        gap: 18px;
    }

    .related-card {
        background: var(--bg-card);
        border: 1px solid var(--border-glass);
        border-radius: 14px;
        padding: 18px 16px;
        backdrop-filter: blur(16px);
        -webkit-backdrop-filter: blur(16px);
        transition: transform 0.28s ease, border-color 0.28s ease;
        display: flex;
        flex-direction: column;
        gap: 8px;
    }

    .related-card:hover {
        transform: translateY(-2px);
        border-color: var(--border-glass-hover);
    }

    .related-card .rel-icon {
        width: 40px;
        height: 40px;
        background: linear-gradient(135deg, rgba(0, 194, 255, 0.16), rgba(27, 79, 255, 0.18));
        border-radius: 10px;
        display: flex;
        align-items: center;
        justify-content: center;
        color: var(--color-accent);
        font-size: 1.1rem;
        margin-bottom: 4px;
    }

    .related-card h3 {
        font-size: 1rem;
        font-weight: 600;
        margin: 0;
        color: var(--text-white);
        line-height: 1.5;
    }

    .related-card h3 a {
        color: var(--text-white);
        text-decoration: none;
        transition: color 0.25s ease;
    }

    .related-card h3 a:hover {
        color: var(--color-accent);
    }

    .related-card p {
        font-size: 0.88rem;
        color: var(--text-muted);
        margin: 0;
        line-height: 1.7;
    }

    /* ============ 标签云 ============ */
    .tags-section {
        padding: 32px 0;
    }

    .tags-cloud {
        background: var(--bg-card);
        border: 1px solid var(--border-glass);
        border-radius: var(--radius-card);
        padding: 24px 28px;
        backdrop-filter: blur(18px);
        -webkit-backdrop-filter: blur(18px);
        display: flex;
        flex-wrap: wrap;
        gap: 10px;
    }

    .tag-item {
        background: rgba(255, 255, 255, 0.04);
        border: 1px solid var(--border-glass);
        color: var(--text-soft);
        font-size: 0.88rem;
        padding: 8px 16px;
        border-radius: var(--radius-btn);
        transition: background 0.25s ease, border-color 0.25s ease, color 0.25s ease;
        text-decoration: none;
    }

    .tag-item:hover {
        background: rgba(0, 194, 255, 0.08);
        border-color: var(--border-glass-hover);
        color: var(--color-accent);
    }

    /* ============ 数据提示卡 ============ */
    .data-tips-section {
        padding: 32px 0;
    }

    .data-tips-grid {
        display: grid;
        grid-template-columns: repeat(2, 1fr);
        gap: 20px;
    }

    .data-tip-card {
        background: var(--bg-card);
        border: 1px solid var(--border-glass);
        border-radius: 16px;
        padding: 22px 24px;
        backdrop-filter: blur(18px);
        -webkit-backdrop-filter: blur(18px);
        display: flex;
        gap: 16px;
        align-items: flex-start;
        transition: border-color 0.28s ease, transform 0.28s ease;
    }

    .data-tip-card:hover {
        border-color: var(--border-glass-hover);
        transform: translateY(-2px);
    }

    .data-tip-icon {
        width: 44px;
        height: 44px;
        min-width: 44px;
        background: linear-gradient(135deg, rgba(255, 179, 0, 0.14), rgba(255, 140, 0, 0.18));
        border-radius: 12px;
        display: flex;
        align-items: center;
        justify-content: center;
        color: var(--color-amber);
        font-size: 1.2rem;
    }

    .data-tip-content h3 {
        font-size: 1.05rem;
        font-weight: 600;
        margin: 0 0 6px 0;
        color: var(--text-white);
    }

    .data-tip-content p {
        font-size: 0.92rem;
        color: var(--text-soft);
        margin: 0;
        line-height: 1.8;
    }

    .data-tip-content .data-number {
        font-family: var(--font-mono);
        font-weight: 700;
        color: var(--color-amber);
        letter-spacing: 0.03em;
    }

    /* ============ FAQ ============ */
    .faq-section {
        padding: 32px 0 40px;
    }

    .faq-list {
        display: flex;
        flex-direction: column;
        gap: 12px;
    }

    .faq-item {
        background: var(--bg-card);
        border: 1px solid var(--border-glass);
        border-radius: 14px;
        overflow: hidden;
        backdrop-filter: blur(16px);
        -webkit-backdrop-filter: blur(16px);
        transition: border-color 0.28s ease, background 0.28s ease;
    }

    .faq-item:hover {
        border-color: var(--border-glass-hover);
    }

    .faq-item.open {
        background: var(--bg-card-hover);
        border-color: var(--border-glass-hover);
    }

    .faq-question {
        display: flex;
        align-items: center;
        justify-content: space-between;
        gap: 16px;
        padding: 18px 22px;
        cursor: pointer;
        font-weight: 600;
        font-size: 1rem;
        color: var(--text-white);
        transition: color 0.25s ease;
        user-select: none;
    }

    .faq-question:hover {
        color: var(--color-accent);
    }

    .faq-question .faq-arrow {
        font-size: 0.9rem;
        color: var(--text-muted);
        transition: transform 0.3s ease, color 0.25s ease;
    }

    .faq-item.open .faq-question .faq-arrow {
        transform: rotate(180deg);
        color: var(--color-accent);
    }

    .faq-answer {
        max-height: 0;
        overflow: hidden;
        transition: max-height 0.35s ease, padding 0.35s ease;
        padding: 0 22px;
        color: var(--text-soft);
        font-size: 0.95rem;
        line-height: 1.85;
    }

    .faq-item.open .faq-answer {
        max-height: 240px;
        padding: 0 22px 18px;
    }

    /* ============ CTA ============ */
    .cta-section {
        padding: 40px 0 56px;
    }

    .cta-card {
        background: linear-gradient(135deg, rgba(8, 15, 40, 0.75) 0%, rgba(11, 25, 60, 0.85) 100%);
        border: 1px solid var(--border-glass);
        border-radius: var(--radius-card);
        padding: 40px 36px;
        backdrop-filter: blur(22px);
        -webkit-backdrop-filter: blur(22px);
        box-shadow: var(--shadow-card);
        position: relative;
        overflow: hidden;
    }

    .cta-card::before {
        content: "";
        position: absolute;
        bottom: -30%;
        right: -5%;
        width: 250px;
        height: 250px;
        background: radial-gradient(circle, rgba(0, 194, 255, 0.12) 0%, transparent 70%);
        border-radius: 50%;
        pointer-events: none;
    }

    .cta-card h2 {
        font-size: 1.5rem;
        font-weight: 600;
        margin: 0 0 10px 0;
        color: var(--text-white);
        position: relative;
        z-index: 1;
    }

    .cta-card p {
        font-size: 0.98rem;
        color: var(--text-soft);
        margin: 0 0 24px 0;
        max-width: 640px;
        line-height: 1.8;
        position: relative;
        z-index: 1;
    }

    .cta-form {
        display: flex;
        gap: 12px;
        flex-wrap: wrap;
        position: relative;
        z-index: 1;
    }

    .cta-form input {
        background: rgba(8, 15, 40, 0.7);
        border: 1px solid var(--border-glass);
        border-radius: var(--radius-input);
        color: var(--text-white);
        padding: 12px 16px;
        font-size: 0.95rem;
        outline: none;
        min-width: 260px;
        flex: 1;
        transition: border-color 0.25s ease, box-shadow 0.25s ease;
    }

    .cta-form input::placeholder {
        color: var(--text-faint);
    }

    .cta-form input:focus {
        border-color: var(--color-accent);
        box-shadow: 0 0 16px rgba(0, 194, 255, 0.22);
    }

    .cta-submit-btn {
        background: linear-gradient(135deg, #00C2FF 0%, #1B4FFF 100%);
        color: #fff;
        font-weight: 600;
        padding: 12px 28px;
        border-radius: var(--radius-btn);
        font-size: 0.95rem;
        box-shadow: var(--shadow-glow);
        transition: box-shadow 0.25s ease, transform 0.25s ease;
        white-space: nowrap;
    }

    .cta-submit-btn:hover {
        box-shadow: var(--shadow-glow-hover);
        transform: translateY(-1px);
    }

    .cta-privacy {
        font-size: 0.82rem;
        color: var(--text-faint);
        margin-top: 12px;
        position: relative;
        z-index: 1;
    }

    /* ============ 页脚 ============ */
    .site-footer {
        background: linear-gradient(180deg, #070C20 0%, #05091A 100%);
        border-top: 1px solid var(--border-glass);
        padding: 48px 0 24px;
        margin-top: 0;
    }

    .footer-grid {
        display: grid;
        grid-template-columns: 2fr 1fr 1fr 1fr;
        gap: 32px;
        margin-bottom: 32px;
    }

    .footer-brand .footer-logo {
        display: flex;
        align-items: center;
        gap: 10px;
        font-size: 1.15rem;
        font-weight: 700;
        color: #fff;
        margin-bottom: 12px;
    }

    .footer-brand .footer-logo i {
        color: var(--color-accent);
        font-size: 1.25rem;
    }

    .footer-desc {
        font-size: 0.9rem;
        color: var(--text-muted);
        line-height: 1.8;
        margin: 0;
        max-width: 320px;
    }

    .footer-col-title {
        font-size: 0.95rem;
        font-weight: 600;
        color: var(--text-white);
        margin-bottom: 12px;
        letter-spacing: 0.02em;
    }

    .footer-col ul {
        list-style: none;
        margin: 0;
        padding: 0;
    }

    .footer-col ul li {
        margin-bottom: 8px;
    }

    .footer-col ul li a {
        color: var(--text-muted);
        font-size: 0.9rem;
        text-decoration: none;
        transition: color 0.25s ease;
    }

    .footer-col ul li a:hover {
        color: var(--color-accent);
    }

    .footer-bottom {
        display: flex;
        align-items: center;
        justify-content: space-between;
        gap: 16px;
        padding-top: 20px;
        border-top: 1px solid rgba(110, 180, 255, 0.08);
        flex-wrap: wrap;
    }

    .copyright {
        font-size: 0.85rem;
        color: var(--text-faint);
    }

    .footer-links {
        display: flex;
        gap: 16px;
    }

    .footer-links a {
        color: var(--text-muted);
        font-size: 0.85rem;
        text-decoration: none;
        transition: color 0.25s ease;
    }

    .footer-links a:hover {
        color: var(--color-accent);
    }

    /* ============ 响应式 ============ */
    @media (max-width: 1024px) {
        .match-grid {
            grid-template-columns: 1fr;
        }

        .related-grid {
            grid-template-columns: repeat(2, 1fr);
        }

        .data-tips-grid {
            grid-template-columns: 1fr;
        }

        .footer-grid {
            grid-template-columns: 1fr 1fr;
            gap: 24px;
        }

        .footer-brand {
            grid-column: 1 / -1;
        }
    }

    @media (max-width: 768px) {
        :root {
            --gap-section: 40px;
            --nav-height: 60px;
        }

        .container-main {
            padding: 0 16px;
        }

        .nav-links {
            display: none;
            position: absolute;
            top: var(--nav-height);
            left: 0;
            right: 0;
            background: rgba(8, 13, 31, 0.96);
            backdrop-filter: blur(20px);
            -webkit-backdrop-filter: blur(20px);
            flex-direction: column;
            align-items: stretch;
            padding: 16px 20px;
            gap: 4px;
            border-bottom: 1px solid var(--border-glass);
            box-shadow: 0 16px 32px rgba(0, 0, 0, 0.4);
        }

        .nav-links.show {
            display: flex;
        }

        .nav-links a {
            padding: 12px 16px;
            font-size: 0.95rem;
        }

        .desktop-cta {
            display: none;
        }

        .hamburger-toggle {
            display: flex;
        }

        .page-header-card {
            padding: 24px 20px;
        }

        .page-header-card h1 {
            font-size: 1.5rem;
        }

        .page-header-card .page-summary {
            font-size: 0.95rem;
        }

        .filter-toolbar {
            padding: 14px 16px;
            gap: 10px;
        }

        .filter-group {
            flex-wrap: wrap;
        }

        .filter-select {
            min-width: 100%;
        }

        .match-card-image {
            height: 150px;
        }

        .match-card-body {
            padding: 16px 18px 18px;
        }

        .match-card-body h3 {
            font-size: 1.05rem;
        }

        .related-grid {
            grid-template-columns: 1fr;
        }

        .cta-card {
            padding: 28px 20px;
        }

        .cta-form input {
            min-width: 100%;
        }

        .cta-submit-btn {
            width: 100%;
        }

        .footer-grid {
            grid-template-columns: 1fr;
            gap: 20px;
        }

        .footer-bottom {
            flex-direction: column;
            text-align: center;
            gap: 8px;
        }
    }

    @media (max-width: 375px) {
        .page-header-card .page-stats {
            gap: 16px;
            flex-wrap: wrap;
        }

        .match-card-footer {
            flex-direction: column;
            align-items: flex-start;
        }

        .read-more-btn {
            width: 100%;
            justify-content: center;
        }

        .cta-form {
            flex-direction: column;
        }
    }

/* roulang page: category3 */
:root {
            --bg-primary: #080D1F;
            --bg-elevated: #0B1128;
            --bg-card: rgba(8, 15, 40, 0.55);
            --bg-card-hover: rgba(11, 25, 60, 0.78);
            --color-primary: #1B4FFF;
            --color-primary-light: #0B6EFF;
            --color-accent: #00C2FF;
            --color-cyan: #00C9E8;
            --color-amber: #FFB300;
            --color-green: #35F0B0;
            --color-danger: #FF4D6D;
            --text-white: #F0F4FF;
            --text-soft: #C8D4E8;
            --text-muted: #8A98B8;
            --text-faint: #66739A;
            --border-glass: rgba(110, 180, 255, 0.18);
            --border-glass-hover: rgba(0, 194, 255, 0.38);
            --highlight-glass: rgba(255, 255, 255, 0.06);
            --shadow-card: 0 24px 60px rgba(0, 0, 0, 0.38);
            --shadow-glow: 0 0 24px rgba(0, 194, 255, 0.35);
            --shadow-glow-hover: 0 0 32px rgba(0, 194, 255, 0.55);
            --radius-card: 20px;
            --radius-tag: 8px;
            --radius-btn: 999px;
            --radius-input: 10px;
            --gap-section: 72px;
            --gap-section-mobile: 44px;
            --container-max: 1200px;
            --nav-height: 72px;
            --font-sans: 'PingFang SC', 'Microsoft YaHei', 'Noto Sans SC', 'Inter', sans-serif;
            --font-mono: 'Inter', 'Roboto Condensed', 'SF Pro Display', monospace;
        }

        html {
            scroll-behavior: smooth;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }

        body {
            font-family: var(--font-sans);
            font-size: 16px;
            line-height: 1.85;
            color: var(--text-white);
            background-color: var(--bg-primary);
            background-image:
                radial-gradient(ellipse at 18% 8%, rgba(27, 79, 255, 0.14) 0%, transparent 55%),
                radial-gradient(ellipse at 82% 16%, rgba(0, 194, 255, 0.10) 0%, transparent 50%),
                radial-gradient(ellipse at 50% 65%, rgba(27, 79, 255, 0.06) 0%, transparent 60%);
            background-attachment: fixed;
            min-height: 100vh;
            overflow-x: hidden;
        }

        a {
            color: var(--color-accent);
            text-decoration: none;
            transition: color 0.25s ease;
        }

        a:hover {
            color: #66d9ff;
        }

        img {
            max-width: 100%;
            height: auto;
            display: block;
        }

        button,
        input,
        select,
        textarea {
            font-family: inherit;
            font-size: inherit;
            line-height: inherit;
        }

        button {
            cursor: pointer;
            border: none;
            background: none;
            color: inherit;
        }

        .container-main {
            max-width: var(--container-max);
            margin: 0 auto;
            padding: 0 24px;
        }

        /* ============ 导航 ============ */
        .site-header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 999;
            background: linear-gradient(135deg, #070C20 0%, #0A1A4A 35%, #1B4FFF 100%);
            box-shadow: 0 4px 24px rgba(0, 0, 0, 0.32);
            height: var(--nav-height);
            display: flex;
            align-items: center;
            transition: box-shadow 0.3s ease;
        }

        .site-header.scrolled {
            box-shadow: 0 8px 32px rgba(0, 0, 0, 0.45);
        }

        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 24px;
            width: 100%;
        }

        .brand-logo {
            display: flex;
            align-items: center;
            gap: 10px;
            color: #fff;
            text-decoration: none;
            font-weight: 700;
            font-size: 1.15rem;
            letter-spacing: 0.02em;
            white-space: nowrap;
        }

        .brand-logo .logo-icon {
            width: 38px;
            height: 38px;
            background: linear-gradient(135deg, #00C2FF, #1B4FFF);
            border-radius: 10px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.1rem;
            color: #fff;
            box-shadow: 0 0 18px rgba(0, 194, 255, 0.32);
        }

        .brand-logo span.brand-text {
            color: #fff;
            font-weight: 700;
            letter-spacing: 0.03em;
        }

        .nav-links {
            display: flex;
            align-items: center;
            gap: 4px;
            list-style: none;
            margin: 0;
            padding: 0;
        }

        .nav-links li {
            position: relative;
        }

        .nav-links a {
            display: block;
            padding: 8px 13px;
            color: rgba(240, 244, 255, 0.82);
            font-size: 0.9rem;
            font-weight: 500;
            text-decoration: none;
            border-radius: 8px;
            transition: background 0.25s ease, color 0.25s ease;
            white-space: nowrap;
        }

        .nav-links a:hover,
        .nav-links a:focus {
            background: rgba(255, 255, 255, 0.12);
            color: #fff;
        }

        .nav-links a.active {
            color: #fff;
            background: rgba(255, 255, 255, 0.08);
            box-shadow: inset 0 -2px 0 var(--color-accent);
        }

        .nav-cta {
            background: linear-gradient(135deg, #FFB300 0%, #FF8C00 100%);
            color: #1a1a1a;
            font-weight: 700;
            font-size: 0.88rem;
            padding: 10px 20px;
            border-radius: var(--radius-btn);
            text-decoration: none;
            white-space: nowrap;
            box-shadow: 0 0 18px rgba(255, 179, 0, 0.28);
            transition: box-shadow 0.3s ease, transform 0.2s ease;
        }

        .nav-cta:hover {
            box-shadow: 0 0 28px rgba(255, 179, 0, 0.45);
            transform: translateY(-1px);
            color: #1a1a1a;
        }

        .hamburger-toggle {
            display: none;
            flex-direction: column;
            gap: 5px;
            padding: 8px;
            background: rgba(255, 255, 255, 0.08);
            border-radius: 8px;
            transition: background 0.25s ease;
        }

        .hamburger-toggle:hover {
            background: rgba(255, 255, 255, 0.16);
        }

        .hamburger-toggle span {
            display: block;
            width: 22px;
            height: 2px;
            background: #fff;
            border-radius: 2px;
            transition: transform 0.3s ease, opacity 0.3s ease;
        }

        .hamburger-toggle.active span:nth-child(1) {
            transform: translateY(7px) rotate(45deg);
        }

        .hamburger-toggle.active span:nth-child(2) {
            opacity: 0;
        }

        .hamburger-toggle.active span:nth-child(3) {
            transform: translateY(-7px) rotate(-45deg);
        }

        /* 移动端导航抽屉 */
        .mobile-nav-panel {
            display: none;
            position: fixed;
            top: var(--nav-height);
            left: 0;
            right: 0;
            background: rgba(8, 15, 40, 0.96);
            backdrop-filter: blur(20px);
            -webkit-backdrop-filter: blur(20px);
            padding: 16px 24px 24px;
            z-index: 998;
            border-bottom: 1px solid var(--border-glass);
            box-shadow: 0 20px 40px rgba(0, 0, 0, 0.5);
        }

        .mobile-nav-panel.open {
            display: block;
        }

        .mobile-nav-panel ul {
            list-style: none;
            margin: 0;
            padding: 0;
            display: flex;
            flex-direction: column;
            gap: 4px;
        }

        .mobile-nav-panel ul a {
            display: block;
            padding: 12px 14px;
            color: var(--text-soft);
            font-size: 1rem;
            font-weight: 500;
            border-radius: 10px;
            transition: background 0.25s ease, color 0.25s ease;
        }

        .mobile-nav-panel ul a:hover,
        .mobile-nav-panel ul a.active {
            background: rgba(255, 255, 255, 0.1);
            color: #fff;
        }

        .mobile-nav-panel .mobile-cta {
            margin-top: 14px;
            display: block;
            text-align: center;
            background: linear-gradient(135deg, #FFB300 0%, #FF8C00 100%);
            color: #1a1a1a;
            font-weight: 700;
            padding: 12px 20px;
            border-radius: var(--radius-btn);
            text-decoration: none;
        }

        /* ============ 面包屑 ============ */
        .breadcrumb-section {
            padding-top: calc(var(--nav-height) + 36px);
            padding-bottom: 12px;
        }

        .breadcrumb-nav {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 0.88rem;
            color: var(--text-muted);
            flex-wrap: wrap;
        }

        .breadcrumb-nav a {
            color: var(--text-muted);
            transition: color 0.25s ease;
        }

        .breadcrumb-nav a:hover {
            color: var(--color-accent);
        }

        .breadcrumb-nav .separator {
            color: var(--text-faint);
        }

        .breadcrumb-nav .current {
            color: var(--text-white);
            font-weight: 500;
        }

        /* ============ 分类 H1 区 ============ */
        .page-heading-section {
            padding: 24px 0 36px;
        }

        .page-heading-section h1 {
            font-size: 2rem;
            font-weight: 700;
            color: var(--text-white);
            margin: 0 0 14px;
            letter-spacing: 0.01em;
        }

        .page-heading-section .page-subtitle {
            font-size: 1.05rem;
            color: var(--text-soft);
            max-width: 780px;
            line-height: 1.9;
            margin: 0;
        }

        /* ============ 筛选工具栏 ============ */
        .filter-toolbar-section {
            padding: 20px 0 28px;
        }

        .filter-toolbar {
            display: flex;
            align-items: center;
            gap: 14px;
            flex-wrap: wrap;
            background: var(--bg-card);
            backdrop-filter: blur(20px);
            -webkit-backdrop-filter: blur(20px);
            border: 1px solid var(--border-glass);
            border-radius: 16px;
            padding: 18px 22px;
        }

        .filter-toolbar .filter-label {
            font-size: 0.88rem;
            color: var(--text-muted);
            font-weight: 500;
            white-space: nowrap;
        }

        .filter-toolbar select {
            background: rgba(255, 255, 255, 0.06);
            border: 1px solid var(--border-glass);
            border-radius: 8px;
            color: var(--text-white);
            padding: 9px 14px;
            font-size: 0.9rem;
            min-width: 130px;
            outline: none;
            cursor: pointer;
            transition: border-color 0.3s ease, background 0.3s ease;
            appearance: none;
            -webkit-appearance: none;
            background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8' viewBox='0 0 12 8'%3E%3Cpath fill='%238A98B8' d='M6 8L0 0h12z'/%3E%3C/svg%3E");
            background-repeat: no-repeat;
            background-position: right 12px center;
            padding-right: 34px;
        }

        .filter-toolbar select:hover {
            border-color: var(--border-glass-hover);
            background-color: rgba(255, 255, 255, 0.1);
        }

        .filter-toolbar select:focus {
            border-color: var(--color-accent);
            box-shadow: 0 0 0 3px rgba(0, 194, 255, 0.18);
        }

        .filter-toolbar .filter-btn {
            background: rgba(255, 255, 255, 0.08);
            border: 1px solid var(--border-glass);
            border-radius: var(--radius-btn);
            color: var(--text-soft);
            padding: 9px 18px;
            font-size: 0.88rem;
            transition: background 0.3s ease, border-color 0.3s ease, color 0.3s ease;
        }

        .filter-toolbar .filter-btn:hover,
        .filter-toolbar .filter-btn.active {
            background: rgba(0, 194, 255, 0.16);
            border-color: var(--color-accent);
            color: #fff;
        }

        .filter-toolbar .filter-btn:focus {
            outline: 2px solid rgba(0, 194, 255, 0.7);
            outline-offset: 2px;
        }

        /* ============ 比分列表主体 ============ */
        .match-list-section {
            padding: 28px 0 48px;
        }

        .match-list {
            display: flex;
            flex-direction: column;
            gap: 16px;
        }

        .match-card {
            display: flex;
            align-items: stretch;
            gap: 22px;
            background: var(--bg-card);
            backdrop-filter: blur(20px);
            -webkit-backdrop-filter: blur(20px);
            border: 1px solid var(--border-glass);
            border-radius: 16px;
            padding: 20px 24px;
            transition: border-color 0.3s ease, background 0.3s ease, box-shadow 0.3s ease, transform 0.3s ease;
        }

        .match-card:hover {
            border-color: var(--border-glass-hover);
            background: var(--bg-card-hover);
            box-shadow: var(--shadow-card);
            transform: translateY(-3px);
        }

        .match-card .match-date {
            display: flex;
            flex-direction: column;
            justify-content: center;
            align-items: center;
            min-width: 76px;
            padding: 8px 12px;
            background: rgba(255, 255, 255, 0.05);
            border-radius: 12px;
            text-align: center;
        }

        .match-card .match-date .day {
            font-size: 1.4rem;
            font-weight: 700;
            color: var(--text-white);
            font-family: var(--font-mono);
            line-height: 1.2;
        }

        .match-card .match-date .month {
            font-size: 0.78rem;
            color: var(--text-muted);
            font-weight: 500;
        }

        .match-card .match-info {
            flex: 1;
            display: flex;
            flex-direction: column;
            justify-content: center;
            gap: 6px;
        }

        .match-card .match-league-tag {
            display: inline-block;
            font-size: 0.72rem;
            font-weight: 600;
            color: var(--color-cyan);
            background: rgba(0, 201, 232, 0.12);
            padding: 3px 10px;
            border-radius: var(--radius-tag);
            border: 1px solid rgba(0, 201, 232, 0.24);
            letter-spacing: 0.03em;
            margin-bottom: 4px;
            align-self: flex-start;
        }

        .match-card .match-league-tag.finished {
            color: var(--text-muted);
            background: rgba(255, 255, 255, 0.06);
            border-color: rgba(255, 255, 255, 0.12);
        }

        .match-card .match-league-tag.live {
            color: var(--color-danger);
            background: rgba(255, 77, 109, 0.12);
            border-color: rgba(255, 77, 109, 0.28);
        }

        .match-card .match-teams {
            display: flex;
            align-items: center;
            gap: 12px;
            font-size: 1.05rem;
            font-weight: 600;
            color: var(--text-white);
        }

        .match-card .match-teams .vs {
            font-size: 0.85rem;
            color: var(--text-muted);
            font-weight: 500;
        }

        .match-card .match-score {
            font-size: 1.65rem;
            font-weight: 700;
            font-family: var(--font-mono);
            color: var(--color-amber);
            letter-spacing: 0.04em;
            min-width: 68px;
            text-align: center;
        }

        .match-card .match-score.live-score {
            color: var(--color-danger);
            animation: pulse-score 1.8s ease-in-out infinite;
        }

        @keyframes pulse-score {
            0%, 100% { opacity: 1; }
            50% { opacity: 0.7; }
        }

        .match-card .match-stats {
            font-size: 0.82rem;
            color: var(--text-muted);
            line-height: 1.6;
        }

        .match-card .match-link {
            align-self: center;
            color: var(--color-accent);
            font-size: 0.88rem;
            font-weight: 500;
            padding: 8px 18px;
            border: 1px solid var(--border-glass);
            border-radius: var(--radius-btn);
            white-space: nowrap;
            transition: background 0.3s ease, border-color 0.3s ease, color 0.3s ease;
        }

        .match-card .match-link:hover {
            background: rgba(0, 194, 255, 0.12);
            border-color: var(--color-accent);
            color: #fff;
        }

        /* ============ 数据工具提示卡 ============ */
        .data-tips-section {
            padding: 40px 0;
        }

        .section-heading {
            margin-bottom: 28px;
        }

        .section-heading h2 {
            font-size: 1.5rem;
            font-weight: 700;
            color: var(--text-white);
            margin: 0 0 6px;
            letter-spacing: 0.01em;
        }

        .section-heading p {
            font-size: 0.92rem;
            color: var(--text-muted);
            margin: 0;
        }

        .tips-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 18px;
        }

        .tip-card {
            background: var(--bg-card);
            backdrop-filter: blur(20px);
            -webkit-backdrop-filter: blur(20px);
            border: 1px solid var(--border-glass);
            border-radius: 14px;
            padding: 20px 22px;
            display: flex;
            gap: 14px;
            align-items: flex-start;
            transition: border-color 0.3s ease, background 0.3s ease;
        }

        .tip-card:hover {
            border-color: var(--border-glass-hover);
            background: var(--bg-card-hover);
        }

        .tip-card .tip-icon {
            flex-shrink: 0;
            width: 42px;
            height: 42px;
            background: linear-gradient(135deg, rgba(0, 194, 255, 0.2), rgba(27, 79, 255, 0.2));
            border-radius: 10px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.1rem;
            color: var(--color-accent);
        }

        .tip-card .tip-content h3 {
            font-size: 1rem;
            font-weight: 600;
            color: var(--text-white);
            margin: 0 0 6px;
        }

        .tip-card .tip-content p {
            font-size: 0.85rem;
            color: var(--text-muted);
            line-height: 1.75;
            margin: 0;
        }

        /* ============ 热点条目 ============ */
        .hot-topics-section {
            padding: 40px 0;
        }

        .hot-topics-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 18px;
        }

        .hot-topic-card {
            background: var(--bg-card);
            backdrop-filter: blur(20px);
            -webkit-backdrop-filter: blur(20px);
            border: 1px solid var(--border-glass);
            border-radius: 14px;
            overflow: hidden;
            transition: border-color 0.3s ease, background 0.3s ease, transform 0.3s ease, box-shadow 0.3s ease;
        }

        .hot-topic-card:hover {
            border-color: var(--border-glass-hover);
            background: var(--bg-card-hover);
            transform: translateY(-3px);
            box-shadow: var(--shadow-card);
        }

        .hot-topic-card .topic-img {
            width: 100%;
            height: 140px;
            object-fit: cover;
            display: block;
        }

        .hot-topic-card .topic-body {
            padding: 16px 18px;
        }

        .hot-topic-card .topic-body h3 {
            font-size: 1rem;
            font-weight: 600;
            color: var(--text-white);
            margin: 0 0 6px;
            line-height: 1.5;
        }

        .hot-topic-card .topic-body p {
            font-size: 0.82rem;
            color: var(--text-muted);
            margin: 0;
            line-height: 1.7;
        }

        .hot-topic-card .topic-link {
            display: inline-block;
            margin-top: 10px;
            font-size: 0.82rem;
            color: var(--color-accent);
            font-weight: 500;
            border-bottom: 1px solid transparent;
            transition: border-color 0.3s ease, color 0.3s ease;
        }

        .hot-topic-card .topic-link:hover {
            color: #66d9ff;
            border-bottom-color: #66d9ff;
        }

        /* ============ 标签云 ============ */
        .tag-cloud-section {
            padding: 40px 0;
        }

        .tag-cloud {
            display: flex;
            flex-wrap: wrap;
            gap: 10px;
        }

        .tag-cloud .tag-item {
            display: inline-block;
            background: rgba(255, 255, 255, 0.06);
            border: 1px solid var(--border-glass);
            border-radius: var(--radius-tag);
            padding: 8px 16px;
            font-size: 0.85rem;
            color: var(--text-soft);
            text-decoration: none;
            transition: background 0.3s ease, border-color 0.3s ease, color 0.3s ease;
        }

        .tag-cloud .tag-item:hover {
            background: rgba(0, 194, 255, 0.12);
            border-color: var(--color-accent);
            color: #fff;
        }

        /* ============ 支撑图文说明 ============ */
        .info-panel-section {
            padding: 40px 0;
        }

        .info-panel {
            display: flex;
            gap: 40px;
            align-items: center;
            background: var(--bg-card);
            backdrop-filter: blur(20px);
            -webkit-backdrop-filter: blur(20px);
            border: 1px solid var(--border-glass);
            border-radius: 20px;
            padding: 32px 36px;
        }

        .info-panel .info-panel-text {
            flex: 1;
        }

        .info-panel .info-panel-text h2 {
            font-size: 1.35rem;
            font-weight: 700;
            color: var(--text-white);
            margin: 0 0 14px;
        }

        .info-panel .info-panel-text p {
            font-size: 0.95rem;
            color: var(--text-soft);
            line-height: 1.9;
            margin: 0 0 12px;
        }

        .info-panel .info-panel-stats {
            flex-shrink: 0;
            display: flex;
            gap: 28px;
            padding: 18px 24px;
            background: rgba(255, 255, 255, 0.04);
            border-radius: 14px;
            border: 1px solid var(--border-glass);
        }

        .info-panel .info-stat {
            text-align: center;
        }

        .info-panel .info-stat .stat-number {
            font-size: 1.8rem;
            font-weight: 700;
            font-family: var(--font-mono);
            color: var(--color-amber);
            line-height: 1.2;
        }

        .info-panel .info-stat .stat-label {
            font-size: 0.78rem;
            color: var(--text-muted);
        }

        /* ============ FAQ ============ */
        .faq-section {
            padding: 40px 0;
        }

        .faq-list {
            display: flex;
            flex-direction: column;
            gap: 12px;
        }

        .faq-item {
            background: var(--bg-card);
            backdrop-filter: blur(20px);
            -webkit-backdrop-filter: blur(20px);
            border: 1px solid var(--border-glass);
            border-radius: 14px;
            overflow: hidden;
            transition: border-color 0.3s ease, background 0.3s ease;
        }

        .faq-item:hover {
            border-color: var(--border-glass-hover);
        }

        .faq-item .faq-question {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 14px;
            padding: 18px 22px;
            cursor: pointer;
            font-size: 1rem;
            font-weight: 600;
            color: var(--text-white);
            transition: color 0.3s ease;
            background: none;
            text-align: left;
            width: 100%;
        }

        .faq-item .faq-question:hover {
            color: var(--color-accent);
        }

        .faq-item .faq-question .faq-arrow {
            flex-shrink: 0;
            font-size: 0.85rem;
            color: var(--text-muted);
            transition: transform 0.35s ease, color 0.3s ease;
        }

        .faq-item.open .faq-question .faq-arrow {
            transform: rotate(180deg);
            color: var(--color-accent);
        }

        .faq-item .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.4s ease, padding 0.3s ease;
            padding: 0 22px;
        }

        .faq-item.open .faq-answer {
            max-height: 300px;
            padding: 0 22px 20px;
        }

        .faq-item .faq-answer p {
            font-size: 0.92rem;
            color: var(--text-soft);
            line-height: 1.85;
            margin: 0;
        }

        .faq-item.open {
            border-color: var(--border-glass-hover);
            background: var(--bg-card-hover);
        }

        /* ============ CTA ============ */
        .cta-section {
            padding: 44px 0 64px;
        }

        .cta-panel {
            background: var(--bg-card);
            backdrop-filter: blur(20px);
            -webkit-backdrop-filter: blur(20px);
            border: 1px solid var(--border-glass);
            border-radius: 20px;
            padding: 36px 40px;
            display: flex;
            align-items: center;
            gap: 36px;
            flex-wrap: wrap;
        }

        .cta-panel .cta-text {
            flex: 1;
            min-width: 240px;
        }

        .cta-panel .cta-text h2 {
            font-size: 1.35rem;
            font-weight: 700;
            color: var(--text-white);
            margin: 0 0 8px;
        }

        .cta-panel .cta-text p {
            font-size: 0.92rem;
            color: var(--text-muted);
            margin: 0;
            line-height: 1.8;
        }

        .cta-panel .cta-actions {
            display: flex;
            gap: 12px;
            flex-shrink: 0;
        }

        .btn-primary {
            background: linear-gradient(135deg, #00C2FF 0%, #1B4FFF 100%);
            color: #fff;
            font-weight: 700;
            font-size: 0.92rem;
            padding: 13px 28px;
            border-radius: var(--radius-btn);
            text-decoration: none;
            box-shadow: var(--shadow-glow);
            transition: box-shadow 0.3s ease, transform 0.2s ease, filter 0.3s ease;
            display: inline-flex;
            align-items: center;
            gap: 8px;
        }

        .btn-primary:hover {
            box-shadow: var(--shadow-glow-hover);
            transform: translateY(-2px);
            filter: brightness(1.1);
            color: #fff;
        }

        .btn-primary:focus {
            outline: 2px solid rgba(0, 194, 255, 0.7);
            outline-offset: 2px;
        }

        .btn-primary:active {
            transform: scale(0.98);
        }

        .btn-outline {
            background: transparent;
            border: 1px solid var(--border-glass);
            color: var(--text-soft);
            font-weight: 500;
            font-size: 0.92rem;
            padding: 13px 24px;
            border-radius: var(--radius-btn);
            text-decoration: none;
            transition: background 0.3s ease, border-color 0.3s ease, color 0.3s ease;
            display: inline-flex;
            align-items: center;
            gap: 8px;
        }

        .btn-outline:hover {
            background: rgba(255, 255, 255, 0.08);
            border-color: var(--border-glass-hover);
            color: #fff;
        }

        .btn-outline:focus {
            outline: 2px solid rgba(0, 194, 255, 0.6);
            outline-offset: 2px;
        }

        /* ============ 页脚 ============ */
        .site-footer {
            background: #060A18;
            border-top: 1px solid var(--border-glass);
            padding: 56px 0 32px;
            margin-top: 24px;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1fr;
            gap: 40px;
            padding-bottom: 36px;
            border-bottom: 1px solid var(--border-glass);
        }

        .footer-brand .footer-logo {
            font-size: 1.2rem;
            font-weight: 700;
            color: #fff;
            margin-bottom: 14px;
            display: flex;
            align-items: center;
            gap: 8px;
        }

        .footer-brand .footer-logo i {
            color: var(--color-accent);
            font-size: 1.1rem;
        }

        .footer-brand .footer-desc {
            font-size: 0.88rem;
            color: var(--text-muted);
            line-height: 1.8;
            margin: 0;
            max-width: 320px;
        }

        .footer-col .footer-col-title {
            font-size: 0.95rem;
            font-weight: 700;
            color: var(--text-white);
            margin-bottom: 14px;
        }

        .footer-col ul {
            list-style: none;
            margin: 0;
            padding: 0;
            display: flex;
            flex-direction: column;
            gap: 8px;
        }

        .footer-col ul a {
            font-size: 0.88rem;
            color: var(--text-muted);
            text-decoration: none;
            transition: color 0.25s ease;
        }

        .footer-col ul a:hover {
            color: var(--color-accent);
        }

        .footer-bottom {
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 12px;
            padding-top: 24px;
        }

        .footer-bottom .copyright {
            font-size: 0.82rem;
            color: var(--text-faint);
        }

        .footer-bottom .footer-links {
            display: flex;
            gap: 18px;
        }

        .footer-bottom .footer-links a {
            font-size: 0.82rem;
            color: var(--text-muted);
            text-decoration: none;
            transition: color 0.25s ease;
        }

        .footer-bottom .footer-links a:hover {
            color: var(--color-accent);
        }

        /* ============ 响应式 ============ */
        @media (max-width: 1024px) {
            .nav-links a {
                padding: 8px 10px;
                font-size: 0.84rem;
            }

            .tips-grid {
                grid-template-columns: repeat(2, 1fr);
            }

            .hot-topics-grid {
                grid-template-columns: repeat(2, 1fr);
            }

            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 28px;
            }

            .info-panel {
                flex-direction: column;
                text-align: center;
                padding: 26px 24px;
            }

            .info-panel .info-panel-stats {
                justify-content: center;
            }
        }

        @media (max-width: 768px) {
            :root {
                --nav-height: 60px;
                --gap-section: 44px;
                --gap-section-mobile: 32px;
            }

            .brand-logo span.brand-text {
                font-size: 1rem;
            }

            .brand-logo .logo-icon {
                width: 32px;
                height: 32px;
                font-size: 0.9rem;
            }

            .nav-links {
                display: none;
            }

            .nav-cta.desktop-cta {
                display: none;
            }

            .hamburger-toggle {
                display: flex;
            }

            .breadcrumb-section {
                padding-top: calc(var(--nav-height) + 20px);
            }

            .page-heading-section h1 {
                font-size: 1.6rem;
            }

            .page-heading-section .page-subtitle {
                font-size: 0.95rem;
            }

            .filter-toolbar {
                flex-direction: column;
                align-items: stretch;
            }

            .filter-toolbar select {
                width: 100%;
                min-width: auto;
            }

            .match-card {
                flex-direction: column;
                gap: 14px;
                padding: 18px;
            }

            .match-card .match-date {
                flex-direction: row;
                gap: 8px;
                min-width: auto;
                justify-content: center;
                padding: 8px 16px;
            }

            .match-card .match-date .day {
                font-size: 1.1rem;
            }

            .match-card .match-date .month {
                font-size: 0.75rem;
            }

            .match-card .match-teams {
                flex-direction: column;
                align-items: flex-start;
                gap: 4px;
                font-size: 0.95rem;
            }

            .match-card .match-score {
                font-size: 1.3rem;
                min-width: auto;
                text-align: left;
            }

            .match-card .match-link {
                align-self: flex-start;
                padding: 7px 14px;
                font-size: 0.82rem;
            }

            .tips-grid {
                grid-template-columns: 1fr;
            }

            .hot-topics-grid {
                grid-template-columns: 1fr;
            }

            .hot-topic-card .topic-img {
                height: 160px;
            }

            .info-panel {
                padding: 22px 18px;
                gap: 20px;
            }

            .info-panel .info-panel-stats {
                gap: 18px;
                padding: 14px 18px;
                flex-wrap: wrap;
            }

            .info-panel .info-stat .stat-number {
                font-size: 1.4rem;
            }

            .cta-panel {
                flex-direction: column;
                text-align: center;
                padding: 26px 22px;
                gap: 20px;
            }

            .cta-panel .cta-actions {
                flex-direction: column;
                width: 100%;
            }

            .btn-primary, .btn-outline {
                justify-content: center;
                width: 100%;
            }

            .footer-grid {
                grid-template-columns: 1fr;
                gap: 26px;
                padding-bottom: 24px;
            }

            .footer-bottom {
                flex-direction: column;
                text-align: center;
                gap: 10px;
            }
        }

        @media (max-width: 520px) {
            .container-main {
                padding: 0 16px;
            }

            .page-heading-section h1 {
                font-size: 1.4rem;
            }

            .match-card .match-teams {
                font-size: 0.9rem;
            }

            .match-card .match-score {
                font-size: 1.15rem;
            }

            .filter-toolbar {
                padding: 14px 16px;
            }

            .tip-card {
                padding: 16px 18px;
            }

            .hot-topic-card .topic-img {
                height: 130px;
            }

            .info-panel .info-panel-text h2 {
                font-size: 1.2rem;
            }

            .cta-panel .cta-text h2 {
                font-size: 1.2rem;
            }

            .section-heading h2 {
                font-size: 1.3rem;
            }
        }

/* roulang page: category4 */
:root {
            --bg-primary: #080D1F;
            --bg-elevated: #0B1128;
            --bg-card: rgba(8, 15, 40, 0.55);
            --bg-card-hover: rgba(11, 25, 60, 0.78);
            --color-primary: #1B4FFF;
            --color-primary-light: #0B6EFF;
            --color-accent: #00C2FF;
            --color-cyan: #00C9E8;
            --color-amber: #FFB300;
            --color-green: #35F0B0;
            --color-danger: #FF4D6D;
            --text-white: #F0F4FF;
            --text-soft: #C8D4E8;
            --text-muted: #8A98B8;
            --text-faint: #66739A;
            --border-glass: rgba(110, 180, 255, 0.18);
            --border-glass-hover: rgba(0, 194, 255, 0.38);
            --highlight-glass: rgba(255, 255, 255, 0.06);
            --shadow-card: 0 24px 60px rgba(0, 0, 0, 0.38);
            --shadow-glow: 0 0 24px rgba(0, 194, 255, 0.35);
            --shadow-glow-hover: 0 0 32px rgba(0, 194, 255, 0.55);
            --radius-card: 20px;
            --radius-tag: 8px;
            --radius-btn: 999px;
            --radius-input: 10px;
            --gap-section: 56px;
            --gap-section-mobile: 48px;
            --container-max: 1200px;
            --nav-height: 64px;
            --font-sans: 'PingFang SC', 'Microsoft YaHei', 'Noto Sans SC', 'Inter', sans-serif;
            --font-mono: 'Inter', 'Roboto Condensed', 'SF Pro Display', monospace;
        }
        *,
        *::before,
        *::after {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }
        html {
            scroll-behavior: smooth;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }
        body {
            font-family: var(--font-sans);
            font-size: 16px;
            line-height: 1.85;
            color: var(--text-white);
            background-color: var(--bg-primary);
            background-image:
                radial-gradient(ellipse at 20% 10%, rgba(27, 79, 255, 0.14) 0%, transparent 55%),
                radial-gradient(ellipse at 85% 20%, rgba(0, 194, 255, 0.10) 0%, transparent 50%),
                radial-gradient(ellipse at 50% 70%, rgba(27, 79, 255, 0.06) 0%, transparent 60%);
            background-attachment: fixed;
            min-height: 100vh;
            overflow-x: hidden;
        }
        a {
            color: var(--color-accent);
            text-decoration: none;
            transition: color 0.25s ease, background 0.25s ease, border-color 0.25s ease, box-shadow 0.25s ease;
        }
        a:hover {
            color: #66d9ff;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        button,
        input,
        select,
        textarea {
            font-family: inherit;
            font-size: inherit;
            line-height: inherit;
        }
        button {
            cursor: pointer;
            border: none;
            background: none;
            color: inherit;
        }
        ul,
        ol {
            list-style: none;
        }
        .container-main {
            max-width: var(--container-max);
            margin: 0 auto;
            padding: 0 24px;
            width: 100%;
        }
        .section {
            padding: var(--gap-section) 0;
            position: relative;
        }
        .section-alt {
            background: rgba(11, 17, 40, 0.55);
            border-top: 1px solid rgba(110, 180, 255, 0.08);
            border-bottom: 1px solid rgba(110, 180, 255, 0.08);
        }
        .section-title {
            font-size: clamp(1.4rem, 2.2vw, 1.8rem);
            font-weight: 700;
            color: var(--text-white);
            letter-spacing: 0.01em;
            margin-bottom: 8px;
            line-height: 1.4;
        }
        .section-subtitle {
            font-size: 0.95rem;
            color: var(--text-muted);
            max-width: 680px;
            line-height: 1.8;
        }
        .section-head {
            margin-bottom: 32px;
        }
        .section-head .title-row {
            display: flex;
            align-items: center;
            gap: 12px;
            flex-wrap: wrap;
        }
        .title-accent {
            width: 5px;
            height: 28px;
            border-radius: 4px;
            background: linear-gradient(180deg, var(--color-accent), var(--color-primary));
            flex-shrink: 0;
        }
        .badge-tag {
            display: inline-flex;
            align-items: center;
            gap: 5px;
            padding: 4px 12px;
            font-size: 0.75rem;
            font-weight: 600;
            letter-spacing: 0.03em;
            border-radius: var(--radius-tag);
            background: rgba(0, 194, 255, 0.12);
            color: var(--color-accent);
            border: 1px solid rgba(0, 194, 255, 0.25);
            white-space: nowrap;
        }
        .badge-tag.amber {
            background: rgba(255, 179, 0, 0.12);
            color: var(--color-amber);
            border-color: rgba(255, 179, 0, 0.28);
        }
        .badge-tag.green {
            background: rgba(53, 240, 176, 0.12);
            color: var(--color-green);
            border-color: rgba(53, 240, 176, 0.25);
        }
        .badge-tag.red {
            background: rgba(255, 77, 109, 0.12);
            color: var(--color-danger);
            border-color: rgba(255, 77, 109, 0.25);
        }
        .glass-card {
            background: var(--bg-card);
            backdrop-filter: blur(20px);
            -webkit-backdrop-filter: blur(20px);
            border: 1px solid var(--border-glass);
            border-radius: var(--radius-card);
            box-shadow: var(--shadow-card);
            transition: transform 0.3s ease, border-color 0.3s ease, box-shadow 0.3s ease, background 0.3s ease;
        }
        .glass-card:hover {
            transform: translateY(-4px);
            border-color: var(--border-glass-hover);
            background: var(--bg-card-hover);
            box-shadow: 0 28px 70px rgba(0, 0, 0, 0.45);
        }
        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            font-weight: 600;
            font-size: 0.9rem;
            padding: 10px 22px;
            border-radius: var(--radius-btn);
            transition: all 0.28s ease;
            text-decoration: none;
            border: 1px solid transparent;
            white-space: nowrap;
            line-height: 1.4;
        }
        .btn-glow {
            background: linear-gradient(135deg, #00C2FF 0%, #1B4FFF 100%);
            color: #fff;
            box-shadow: var(--shadow-glow);
            border: none;
        }
        .btn-glow:hover {
            color: #fff;
            background: linear-gradient(135deg, #1fd0ff 0%, #2b63ff 100%);
            box-shadow: var(--shadow-glow-hover);
            transform: translateY(-2px);
        }
        .btn-glow:focus-visible {
            outline: 2px solid rgba(0, 194, 255, 0.7);
            outline-offset: 2px;
        }
        .btn-glow:active {
            transform: scale(0.98);
        }
        .btn-outline {
            background: rgba(255, 255, 255, 0.04);
            color: var(--text-soft);
            border: 1px solid var(--border-glass);
        }
        .btn-outline:hover {
            background: rgba(0, 194, 255, 0.12);
            border-color: var(--border-glass-hover);
            color: var(--text-white);
        }
        .btn-outline:focus-visible {
            outline: 2px solid rgba(0, 194, 255, 0.55);
            outline-offset: 2px;
        }
        .btn-amber {
            background: linear-gradient(135deg, #FFB300 0%, #FF8C00 100%);
            color: #1A1A1A;
            box-shadow: 0 0 22px rgba(255, 179, 0, 0.3);
            border: none;
        }
        .btn-amber:hover {
            color: #1A1A1A;
            background: linear-gradient(135deg, #ffc12e 0%, #ff9a1f 100%);
            box-shadow: 0 0 30px rgba(255, 179, 0, 0.5);
            transform: translateY(-2px);
        }
        .btn-sm {
            padding: 8px 16px;
            font-size: 0.82rem;
        }
        .btn-block {
            display: flex;
            width: 100%;
        }
        .divider {
            border: none;
            height: 1px;
            background: linear-gradient(90deg, transparent, var(--border-glass), transparent);
            margin: 0;
        }

        /* ============ 导航 ============ */
        .site-header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 999;
            background: linear-gradient(135deg, #070C20 0%, #0A1A4A 35%, #1B4FFF 100%);
            box-shadow: 0 4px 24px rgba(0, 0, 0, 0.32);
            height: var(--nav-height);
            display: flex;
            align-items: center;
            transition: box-shadow 0.3s ease;
        }
        .site-header.scrolled {
            box-shadow: 0 8px 32px rgba(0, 0, 0, 0.45);
        }
        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 24px;
            width: 100%;
        }
        .brand-logo {
            display: flex;
            align-items: center;
            gap: 10px;
            color: #fff;
            text-decoration: none;
            font-weight: 700;
            font-size: 1.15rem;
            letter-spacing: 0.02em;
            white-space: nowrap;
        }
        .brand-logo .logo-icon {
            width: 38px;
            height: 38px;
            background: linear-gradient(135deg, #00C2FF, #1B4FFF);
            border-radius: 10px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.1rem;
            color: #fff;
            box-shadow: 0 0 18px rgba(0, 194, 255, 0.32);
        }
        .brand-logo span.brand-text {
            color: #fff;
            font-weight: 700;
            letter-spacing: 0.03em;
        }
        .nav-links {
            display: flex;
            align-items: center;
            gap: 6px;
            list-style: none;
            margin: 0;
            padding: 0;
        }
        .nav-links li {
            position: relative;
        }
        .nav-links a {
            display: block;
            padding: 8px 14px;
            color: rgba(240, 244, 255, 0.82);
            font-size: 0.92rem;
            font-weight: 500;
            text-decoration: none;
            border-radius: 8px;
            transition: background 0.25s ease, color 0.25s ease;
            white-space: nowrap;
        }
        .nav-links a:hover,
        .nav-links a:focus {
            background: rgba(255, 255, 255, 0.12);
            color: #fff;
        }
        .nav-links a.active {
            color: #fff;
            background: rgba(255, 255, 255, 0.08);
            box-shadow: inset 0 -2px 0 var(--color-accent);
        }
        .nav-cta {
            background: linear-gradient(135deg, #FFB300 0%, #FF8C00 100%);
            color: #1a1a1a;
            padding: 9px 20px;
            border-radius: var(--radius-btn);
            font-size: 0.88rem;
            font-weight: 700;
            text-decoration: none;
            box-shadow: 0 0 18px rgba(255, 179, 0, 0.28);
            transition: all 0.28s ease;
            white-space: nowrap;
        }
        .nav-cta:hover {
            color: #1a1a1a;
            background: linear-gradient(135deg, #ffc12e 0%, #ff9a1f 100%);
            box-shadow: 0 0 28px rgba(255, 179, 0, 0.5);
            transform: translateY(-1px);
        }
        .hamburger-toggle {
            display: none;
            width: 42px;
            height: 42px;
            border-radius: 10px;
            border: 1px solid rgba(255, 255, 255, 0.2);
            background: rgba(255, 255, 255, 0.08);
            flex-direction: column;
            align-items: center;
            justify-content: center;
            gap: 5px;
            transition: background 0.25s ease;
        }
        .hamburger-toggle span {
            display: block;
            width: 22px;
            height: 2px;
            border-radius: 2px;
            background: #fff;
            transition: all 0.3s ease;
        }
        .hamburger-toggle:hover {
            background: rgba(255, 255, 255, 0.16);
        }
        .hamburger-toggle.open span:nth-child(1) {
            transform: translateY(7px) rotate(45deg);
        }
        .hamburger-toggle.open span:nth-child(2) {
            opacity: 0;
        }
        .hamburger-toggle.open span:nth-child(3) {
            transform: translateY(-7px) rotate(-45deg);
        }
        .mobile-menu {
            display: none;
            position: fixed;
            top: var(--nav-height);
            left: 0;
            right: 0;
            bottom: 0;
            background: rgba(7, 12, 32, 0.96);
            backdrop-filter: blur(18px);
            -webkit-backdrop-filter: blur(18px);
            z-index: 998;
            padding: 24px;
            overflow-y: auto;
        }
        .mobile-menu.open {
            display: block;
        }
        .mobile-menu ul {
            list-style: none;
            padding: 0;
            display: flex;
            flex-direction: column;
            gap: 8px;
        }
        .mobile-menu a {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 14px 18px;
            color: var(--text-soft);
            font-size: 1rem;
            font-weight: 500;
            border-radius: 12px;
            background: rgba(255, 255, 255, 0.04);
            border: 1px solid rgba(110, 180, 255, 0.12);
            text-decoration: none;
            transition: all 0.25s ease;
        }
        .mobile-menu a:hover,
        .mobile-menu a.active {
            background: rgba(0, 194, 255, 0.12);
            border-color: var(--border-glass-hover);
            color: #fff;
        }

        /* ============ 面包屑 ============ */
        .breadcrumb-bar {
            padding: 24px 0 0;
            margin-top: var(--nav-height);
        }
        .breadcrumb {
            display: flex;
            align-items: center;
            flex-wrap: wrap;
            gap: 8px;
            font-size: 0.82rem;
            color: var(--text-muted);
        }
        .breadcrumb a {
            color: var(--text-muted);
            text-decoration: none;
            transition: color 0.25s ease;
        }
        .breadcrumb a:hover {
            color: var(--color-accent);
        }
        .breadcrumb .sep {
            color: var(--text-faint);
            font-size: 0.7rem;
        }
        .breadcrumb .current {
            color: var(--text-soft);
            font-weight: 500;
        }

        /* ============ 分类H1区 ============ */
        .page-header-section {
            padding: 32px 0 36px;
            position: relative;
        }
        .page-header-section::before {
            content: '';
            position: absolute;
            top: 0;
            left: 50%;
            transform: translateX(-50%);
            width: 140px;
            height: 3px;
            border-radius: 4px;
            background: linear-gradient(90deg, transparent, var(--color-accent), transparent);
        }
        .page-h1 {
            font-size: clamp(1.7rem, 3vw, 2.4rem);
            font-weight: 700;
            color: var(--text-white);
            letter-spacing: 0.01em;
            line-height: 1.35;
            margin-bottom: 12px;
        }
        .page-summary {
            font-size: 0.95rem;
            color: var(--text-muted);
            max-width: 760px;
            line-height: 1.9;
        }

        /* ============ 筛选工具栏 ============ */
        .toolbar-card {
            padding: 20px 24px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            flex-wrap: wrap;
            background: var(--bg-card);
            backdrop-filter: blur(20px);
            -webkit-backdrop-filter: blur(20px);
            border: 1px solid var(--border-glass);
            border-radius: 16px;
            box-shadow: var(--shadow-card);
        }
        .toolbar-left {
            display: flex;
            align-items: center;
            gap: 12px;
            flex-wrap: wrap;
        }
        .toolbar-label {
            font-size: 0.82rem;
            color: var(--text-muted);
            font-weight: 500;
            white-space: nowrap;
        }
        .toolbar-group {
            display: flex;
            align-items: center;
            gap: 6px;
            flex-wrap: wrap;
        }
        .toolbar-btn {
            padding: 6px 14px;
            font-size: 0.82rem;
            font-weight: 500;
            border-radius: var(--radius-btn);
            border: 1px solid var(--border-glass);
            background: rgba(255, 255, 255, 0.04);
            color: var(--text-muted);
            transition: all 0.25s ease;
            white-space: nowrap;
        }
        .toolbar-btn:hover {
            background: rgba(0, 194, 255, 0.12);
            border-color: var(--border-glass-hover);
            color: var(--text-white);
        }
        .toolbar-btn.active {
            background: rgba(0, 194, 255, 0.16);
            border-color: rgba(0, 194, 255, 0.4);
            color: var(--color-accent);
            box-shadow: 0 0 12px rgba(0, 194, 255, 0.18);
        }
        .toolbar-select {
            background: rgba(255, 255, 255, 0.06);
            border: 1px solid var(--border-glass);
            border-radius: var(--radius-input);
            color: var(--text-soft);
            padding: 7px 12px;
            font-size: 0.82rem;
            outline: none;
            cursor: pointer;
            transition: border-color 0.25s ease, box-shadow 0.25s ease;
        }
        .toolbar-select:focus {
            border-color: rgba(0, 194, 255, 0.55);
            box-shadow: 0 0 0 3px rgba(0, 194, 255, 0.12);
        }
        .toolbar-select option {
            background: #0B1128;
            color: #F0F4FF;
        }

        /* ============ 列表卡片主体 ============ */
        .team-list-grid {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 20px;
        }
        .team-card {
            padding: 0;
            overflow: hidden;
            display: flex;
            flex-direction: column;
        }
        .team-card-img-wrap {
            position: relative;
            aspect-ratio: 16 / 9;
            overflow: hidden;
            border-radius: var(--radius-card) var(--radius-card) 0 0;
            background: #0B1128;
        }
        .team-card-img-wrap img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.5s ease;
        }
        .team-card:hover .team-card-img-wrap img {
            transform: scale(1.06);
        }
        .team-card-img-tag {
            position: absolute;
            top: 14px;
            left: 14px;
            z-index: 2;
        }
        .team-card-body {
            padding: 20px 24px 24px;
            flex: 1;
            display: flex;
            flex-direction: column;
        }
        .team-card-date {
            font-size: 0.78rem;
            color: var(--text-faint);
            font-family: var(--font-mono);
            letter-spacing: 0.03em;
            margin-bottom: 8px;
            display: flex;
            align-items: center;
            gap: 6px;
        }
        .team-card-title {
            font-size: 1.05rem;
            font-weight: 600;
            color: var(--text-white);
            line-height: 1.5;
            margin-bottom: 8px;
        }
        .team-card-desc {
            font-size: 0.88rem;
            color: var(--text-muted);
            line-height: 1.75;
            margin-bottom: 16px;
            flex: 1;
        }
        .team-card-footer {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 12px;
            flex-wrap: wrap;
        }
        .team-card-meta {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 0.78rem;
            color: var(--text-faint);
        }
        .team-card-meta i {
            font-size: 0.75rem;
        }

        /* ============ 数据提示卡 ============ */
        .data-tip-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 16px;
        }
        .data-tip-card {
            padding: 20px;
            text-align: left;
            display: flex;
            flex-direction: column;
            gap: 6px;
        }
        .data-tip-icon {
            width: 42px;
            height: 42px;
            border-radius: 12px;
            background: rgba(0, 194, 255, 0.12);
            border: 1px solid rgba(0, 194, 255, 0.25);
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--color-accent);
            font-size: 1.1rem;
            margin-bottom: 6px;
        }
        .data-tip-icon.green {
            background: rgba(53, 240, 176, 0.12);
            border-color: rgba(53, 240, 176, 0.25);
            color: var(--color-green);
        }
        .data-tip-icon.amber {
            background: rgba(255, 179, 0, 0.12);
            border-color: rgba(255, 179, 0, 0.25);
            color: var(--color-amber);
        }
        .data-tip-icon.red {
            background: rgba(255, 77, 109, 0.12);
            border-color: rgba(255, 77, 109, 0.25);
            color: var(--color-danger);
        }
        .data-tip-value {
            font-size: 1.6rem;
            font-weight: 700;
            font-family: var(--font-mono);
            color: var(--text-white);
            letter-spacing: 0.02em;
            line-height: 1.2;
        }
        .data-tip-label {
            font-size: 0.8rem;
            color: var(--text-muted);
            font-weight: 500;
        }

        /* ============ 相关主题热点 ============ */
        .hot-topics-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 16px;
        }
        .hot-topic-card {
            padding: 18px;
            display: flex;
            align-items: flex-start;
            gap: 14px;
            cursor: pointer;
        }
        .hot-topic-index {
            font-family: var(--font-mono);
            font-weight: 700;
            font-size: 1.5rem;
            color: rgba(0, 194, 255, 0.35);
            line-height: 1;
            flex-shrink: 0;
        }
        .hot-topic-content h4 {
            font-size: 0.92rem;
            font-weight: 600;
            color: var(--text-white);
            margin-bottom: 4px;
            line-height: 1.5;
        }
        .hot-topic-content p {
            font-size: 0.78rem;
            color: var(--text-muted);
            line-height: 1.6;
            margin: 0;
        }

        /* ============ 标签云 ============ */
        .tag-cloud {
            display: flex;
            flex-wrap: wrap;
            gap: 10px;
        }
        .tag-item {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 7px 16px;
            font-size: 0.82rem;
            font-weight: 500;
            border-radius: var(--radius-btn);
            border: 1px solid var(--border-glass);
            background: rgba(255, 255, 255, 0.04);
            color: var(--text-muted);
            transition: all 0.25s ease;
            text-decoration: none;
        }
        .tag-item:hover {
            background: rgba(0, 194, 255, 0.12);
            border-color: var(--border-glass-hover);
            color: var(--text-white);
        }
        .tag-item.highlight {
            background: rgba(0, 194, 255, 0.14);
            border-color: rgba(0, 194, 255, 0.32);
            color: var(--color-accent);
        }

        /* ============ 支撑图文 ============ */
        .info-block {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 32px;
            align-items: center;
        }
        .info-block-content h3 {
            font-size: 1.3rem;
            font-weight: 700;
            color: var(--text-white);
            margin-bottom: 14px;
            line-height: 1.5;
        }
        .info-block-content p {
            font-size: 0.92rem;
            color: var(--text-muted);
            line-height: 1.9;
            margin-bottom: 12px;
        }
        .info-block-img {
            border-radius: var(--radius-card);
            overflow: hidden;
            aspect-ratio: 4 / 3;
            background: #0B1128;
            border: 1px solid var(--border-glass);
        }
        .info-block-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
        }

        /* ============ FAQ ============ */
        .faq-list {
            display: flex;
            flex-direction: column;
            gap: 12px;
        }
        .faq-item {
            background: var(--bg-card);
            backdrop-filter: blur(16px);
            -webkit-backdrop-filter: blur(16px);
            border: 1px solid var(--border-glass);
            border-radius: 14px;
            overflow: hidden;
            transition: border-color 0.3s ease, background 0.3s ease;
        }
        .faq-item:hover {
            border-color: var(--border-glass-hover);
        }
        .faq-item.active {
            border-color: var(--border-glass-hover);
            background: var(--bg-card-hover);
        }
        .faq-question {
            width: 100%;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            padding: 18px 22px;
            font-size: 0.95rem;
            font-weight: 600;
            color: var(--text-white);
            text-align: left;
            transition: color 0.25s ease;
        }
        .faq-question:hover {
            color: var(--color-accent);
        }
        .faq-arrow {
            flex-shrink: 0;
            width: 24px;
            height: 24px;
            border-radius: 50%;
            border: 1px solid var(--border-glass);
            background: rgba(255, 255, 255, 0.04);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 0.7rem;
            color: var(--text-muted);
            transition: all 0.3s ease;
        }
        .faq-item.active .faq-arrow {
            transform: rotate(180deg);
            color: var(--color-accent);
            border-color: var(--border-glass-hover);
            background: rgba(0, 194, 255, 0.1);
        }
        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.4s ease, padding 0.3s ease;
        }
        .faq-item.active .faq-answer {
            max-height: 300px;
        }
        .faq-answer-inner {
            padding: 0 22px 20px;
            font-size: 0.88rem;
            color: var(--text-muted);
            line-height: 1.85;
        }

        /* ============ CTA 订阅 ============ */
        .subscribe-card {
            padding: 36px 32px;
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 28px;
            align-items: center;
            background: linear-gradient(135deg, rgba(11, 17, 40, 0.85), rgba(10, 25, 70, 0.75));
            border: 1px solid var(--border-glass);
            border-radius: var(--radius-card);
            box-shadow: var(--shadow-card);
            position: relative;
            overflow: hidden;
        }
        .subscribe-card::before {
            content: '';
            position: absolute;
            top: -60%;
            right: -20%;
            width: 300px;
            height: 300px;
            border-radius: 50%;
            background: radial-gradient(circle, rgba(0, 194, 255, 0.12) 0%, transparent 70%);
            pointer-events: none;
        }
        .subscribe-content h3 {
            font-size: 1.35rem;
            font-weight: 700;
            color: var(--text-white);
            margin-bottom: 10px;
            line-height: 1.5;
        }
        .subscribe-content p {
            font-size: 0.9rem;
            color: var(--text-muted);
            line-height: 1.8;
            margin: 0;
        }
        .subscribe-form {
            display: flex;
            flex-direction: column;
            gap: 12px;
        }
        .form-input {
            background: rgba(255, 255, 255, 0.07);
            border: 1px solid var(--border-glass);
            border-radius: var(--radius-input);
            padding: 12px 16px;
            color: var(--text-white);
            font-size: 0.9rem;
            outline: none;
            transition: border-color 0.3s ease, box-shadow 0.3s ease, background 0.3s ease;
            width: 100%;
        }
        .form-input::placeholder {
            color: var(--text-faint);
        }
        .form-input:focus {
            border-color: rgba(0, 194, 255, 0.55);
            box-shadow: 0 0 0 3px rgba(0, 194, 255, 0.14);
            background: rgba(255, 255, 255, 0.1);
        }
        .form-privacy {
            font-size: 0.72rem;
            color: var(--text-faint);
            line-height: 1.6;
        }
        .form-row {
            display: flex;
            gap: 12px;
            flex-wrap: wrap;
        }
        .form-row .form-input {
            flex: 1;
            min-width: 120px;
        }

        /* ============ 页脚 ============ */
        .site-footer {
            background: #060910;
            border-top: 1px solid rgba(110, 180, 255, 0.1);
            padding: 48px 0 28px;
            margin-top: 40px;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1fr;
            gap: 32px;
            margin-bottom: 32px;
        }
        .footer-logo {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 1.1rem;
            font-weight: 700;
            color: #fff;
            margin-bottom: 10px;
        }
        .footer-logo i {
            color: var(--color-accent);
            font-size: 1.2rem;
        }
        .footer-desc {
            font-size: 0.85rem;
            color: var(--text-muted);
            line-height: 1.8;
            margin: 0;
            max-width: 300px;
        }
        .footer-col-title {
            font-size: 0.85rem;
            font-weight: 600;
            color: var(--text-white);
            margin-bottom: 14px;
            letter-spacing: 0.03em;
        }
        .footer-col ul {
            list-style: none;
            padding: 0;
            margin: 0;
            display: flex;
            flex-direction: column;
            gap: 8px;
        }
        .footer-col a {
            color: var(--text-muted);
            font-size: 0.82rem;
            text-decoration: none;
            transition: color 0.25s ease;
        }
        .footer-col a:hover {
            color: var(--color-accent);
        }
        .footer-bottom {
            border-top: 1px solid rgba(110, 180, 255, 0.08);
            padding-top: 22px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            flex-wrap: wrap;
        }
        .copyright {
            font-size: 0.78rem;
            color: var(--text-faint);
        }
        .footer-links {
            display: flex;
            align-items: center;
            gap: 16px;
            font-size: 0.78rem;
        }
        .footer-links a {
            color: var(--text-faint);
            text-decoration: none;
            transition: color 0.25s ease;
        }
        .footer-links a:hover {
            color: var(--color-accent);
        }

        /* ============ 响应式 ============ */
        @media (max-width: 1024px) {
            .nav-links a {
                padding: 8px 10px;
                font-size: 0.85rem;
            }
            .data-tip-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .hot-topics-grid {
                grid-template-columns: repeat(2, 1fr);
            }
        }
        @media (max-width: 768px) {
            :root {
                --gap-section: 36px;
                --nav-height: 60px;
            }
            .nav-links {
                display: none;
            }
            .desktop-cta {
                display: none;
            }
            .hamburger-toggle {
                display: flex;
            }
            .team-list-grid {
                grid-template-columns: 1fr;
            }
            .data-tip-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 12px;
            }
            .hot-topics-grid {
                grid-template-columns: 1fr;
                gap: 12px;
            }
            .info-block {
                grid-template-columns: 1fr;
                gap: 20px;
            }
            .subscribe-card {
                grid-template-columns: 1fr;
                padding: 26px 20px;
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 24px;
            }
            .footer-brand {
                grid-column: 1 / -1;
            }
            .breadcrumb-bar {
                padding-top: 16px;
            }
            .page-header-section {
                padding: 20px 0 24px;
            }
            .toolbar-card {
                padding: 16px 18px;
                flex-direction: column;
                align-items: flex-start;
            }
        }
        @media (max-width: 520px) {
            .data-tip-grid {
                grid-template-columns: 1fr;
            }
            .hot-topics-grid {
                grid-template-columns: 1fr;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 20px;
            }
            .footer-bottom {
                flex-direction: column;
                align-items: flex-start;
                gap: 10px;
            }
            .team-card-body {
                padding: 16px 18px 20px;
            }
            .toolbar-group {
                gap: 4px;
            }
            .toolbar-btn {
                padding: 5px 10px;
                font-size: 0.75rem;
            }
        }

/* roulang page: category5 */
:root {
            --bg-primary: #080D1F;
            --bg-elevated: #0B1128;
            --bg-card: rgba(8, 15, 40, 0.55);
            --bg-card-hover: rgba(11, 25, 60, 0.78);
            --color-primary: #1B4FFF;
            --color-primary-light: #0B6EFF;
            --color-accent: #00C2FF;
            --color-cyan: #00C9E8;
            --color-amber: #FFB300;
            --color-green: #35F0B0;
            --color-danger: #FF4D6D;
            --text-white: #F0F4FF;
            --text-soft: #C8D4E8;
            --text-muted: #8A98B8;
            --text-faint: #66739A;
            --border-glass: rgba(110, 180, 255, 0.18);
            --border-glass-hover: rgba(0, 194, 255, 0.38);
            --highlight-glass: rgba(255, 255, 255, 0.06);
            --shadow-card: 0 24px 60px rgba(0, 0, 0, 0.38);
            --shadow-glow: 0 0 24px rgba(0, 194, 255, 0.35);
            --shadow-glow-hover: 0 0 32px rgba(0, 194, 255, 0.55);
            --radius-card: 20px;
            --radius-tag: 8px;
            --radius-btn: 999px;
            --radius-input: 10px;
            --gap-section: 56px;
            --container-max: 1200px;
            --nav-height: 64px;
            --font-sans: 'PingFang SC', 'Microsoft YaHei', 'Noto Sans SC', 'Inter', sans-serif;
            --font-mono: 'Inter', 'Roboto Condensed', 'SF Pro Display', monospace;
        }
        :root {
            --gap-section: 56px;
            --nav-height: 64px;
        }
        html {
            scroll-behavior: smooth;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }
        body {
            font-family: var(--font-sans);
            font-size: 16px;
            line-height: 1.85;
            color: var(--text-white);
            background-color: var(--bg-primary);
            background-image:
                radial-gradient(ellipse at 20% 10%, rgba(27, 79, 255, 0.14) 0%, transparent 55%),
                radial-gradient(ellipse at 85% 20%, rgba(0, 194, 255, 0.10) 0%, transparent 50%),
                radial-gradient(ellipse at 50% 70%, rgba(27, 79, 255, 0.06) 0%, transparent 60%);
            background-attachment: fixed;
            min-height: 100vh;
            overflow-x: hidden;
        }
        a {
            color: var(--color-accent);
            text-decoration: none;
            transition: color 0.25s ease;
        }
        a:hover {
            color: #66d9ff;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        button,
        input,
        select,
        textarea {
            font-family: inherit;
            font-size: inherit;
            line-height: inherit;
        }
        button {
            cursor: pointer;
            border: none;
            background: none;
            color: inherit;
        }
        .container-main {
            max-width: var(--container-max);
            margin: 0 auto;
            padding: 0 24px;
        }
        /* ============ 导航 ============ */
        .site-header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 999;
            background: linear-gradient(135deg, #070C20 0%, #0A1A4A 35%, #1B4FFF 100%);
            box-shadow: 0 4px 24px rgba(0, 0, 0, 0.32);
            height: var(--nav-height);
            display: flex;
            align-items: center;
            transition: box-shadow 0.3s ease;
        }
        .site-header.scrolled {
            box-shadow: 0 8px 32px rgba(0, 0, 0, 0.45);
        }
        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 24px;
            width: 100%;
        }
        .brand-logo {
            display: flex;
            align-items: center;
            gap: 10px;
            color: #fff;
            text-decoration: none;
            font-weight: 700;
            font-size: 1.15rem;
            letter-spacing: 0.02em;
            white-space: nowrap;
        }
        .brand-logo .logo-icon {
            width: 38px;
            height: 38px;
            background: linear-gradient(135deg, #00C2FF, #1B4FFF);
            border-radius: 10px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.1rem;
            color: #fff;
            box-shadow: 0 0 18px rgba(0, 194, 255, 0.32);
        }
        .brand-logo span.brand-text {
            color: #fff;
            font-weight: 700;
            letter-spacing: 0.03em;
        }
        .nav-links {
            display: flex;
            align-items: center;
            gap: 6px;
            list-style: none;
            margin: 0;
            padding: 0;
        }
        .nav-links li {
            position: relative;
        }
        .nav-links a {
            display: block;
            padding: 8px 14px;
            color: rgba(240, 244, 255, 0.82);
            font-size: 0.92rem;
            font-weight: 500;
            text-decoration: none;
            border-radius: 8px;
            transition: background 0.25s ease, color 0.25s ease;
            white-space: nowrap;
        }
        .nav-links a:hover,
        .nav-links a:focus {
            background: rgba(255, 255, 255, 0.12);
            color: #fff;
        }
        .nav-links a.active {
            color: #fff;
            background: rgba(255, 255, 255, 0.08);
            box-shadow: inset 0 -2px 0 var(--color-accent);
        }
        .nav-cta {
            background: linear-gradient(135deg, #FFB300 0%, #FF8C00 100%);
            color: #1a1a1a;
            font-weight: 700;
            padding: 10px 22px;
            border-radius: var(--radius-btn);
            font-size: 0.88rem;
            white-space: nowrap;
            box-shadow: 0 0 20px rgba(255, 179, 0, 0.28);
            transition: box-shadow 0.3s ease, transform 0.2s ease;
        }
        .nav-cta:hover,
        .nav-cta:focus {
            box-shadow: 0 0 28px rgba(255, 179, 0, 0.5);
            color: #1a1a1a;
            transform: translateY(-1px);
        }
        .hamburger-toggle {
            display: none;
            flex-direction: column;
            gap: 5px;
            width: 40px;
            height: 40px;
            align-items: center;
            justify-content: center;
            background: rgba(255, 255, 255, 0.08);
            border-radius: 8px;
            padding: 8px;
            border: none;
            cursor: pointer;
            transition: background 0.25s ease;
        }
        .hamburger-toggle span {
            width: 22px;
            height: 2px;
            background: #fff;
            border-radius: 2px;
            transition: all 0.3s ease;
            display: block;
        }
        .hamburger-toggle.menu-open span:nth-child(1) {
            transform: translateY(7px) rotate(45deg);
        }
        .hamburger-toggle.menu-open span:nth-child(2) {
            opacity: 0;
        }
        .hamburger-toggle.menu-open span:nth-child(3) {
            transform: translateY(-7px) rotate(-45deg);
        }
        .hamburger-toggle:hover,
        .hamburger-toggle:focus {
            background: rgba(255, 255, 255, 0.16);
        }

        /* ============ 主体上边距 ============ */
        .page-main {
            padding-top: calc(var(--nav-height) + 28px);
        }

        /* ============ 面包屑 ============ */
        .breadcrumb-section {
            padding: 24px 0 8px;
        }
        .breadcrumb-list {
            display: flex;
            align-items: center;
            flex-wrap: wrap;
            gap: 8px;
            list-style: none;
            margin: 0;
            padding: 0;
            font-size: 0.88rem;
            color: var(--text-muted);
        }
        .breadcrumb-list li {
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .breadcrumb-list li:not(:last-child)::after {
            content: '/';
            color: var(--text-faint);
            margin-left: 4px;
        }
        .breadcrumb-list a {
            color: var(--text-muted);
            text-decoration: none;
            transition: color 0.2s ease;
        }
        .breadcrumb-list a:hover,
        .breadcrumb-list a:focus {
            color: var(--color-accent);
        }
        .breadcrumb-list li:last-child {
            color: var(--text-soft);
            font-weight: 500;
        }

        /* ============ 分类 H1 区 ============ */
        .category-hero {
            padding: 28px 0 32px;
            border-bottom: 1px solid rgba(110, 180, 255, 0.1);
            margin-bottom: 40px;
        }
        .category-hero-inner {
            display: flex;
            align-items: flex-start;
            justify-content: space-between;
            gap: 32px;
            flex-wrap: wrap;
        }
        .category-hero-text {
            max-width: 740px;
        }
        .category-hero-text h1 {
            font-size: 2rem;
            font-weight: 700;
            margin: 0 0 12px;
            color: var(--text-white);
            letter-spacing: 0.01em;
        }
        .category-hero-text .hero-desc {
            font-size: 1rem;
            color: var(--text-soft);
            line-height: 1.9;
            margin: 0;
        }
        .category-hero-badge {
            display: flex;
            align-items: center;
            gap: 8px;
            background: var(--bg-card);
            border: 1px solid var(--border-glass);
            border-radius: var(--radius-tag);
            padding: 8px 16px;
            font-size: 0.82rem;
            color: var(--color-cyan);
            white-space: nowrap;
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
        }
        .category-hero-badge i {
            color: var(--color-accent);
        }

        /* ============ 通用板块 ============ */
        .section-block {
            padding: 40px 0;
        }
        .section-block.alternate {
            background: rgba(11, 17, 40, 0.35);
            border-radius: 24px;
            margin-bottom: 20px;
        }
        .section-title {
            font-size: 1.5rem;
            font-weight: 700;
            margin: 0 0 8px;
            color: var(--text-white);
            letter-spacing: 0.01em;
        }
        .section-subtitle {
            font-size: 0.95rem;
            color: var(--text-muted);
            margin: 0 0 24px;
        }
        .section-header-flex {
            display: flex;
            align-items: flex-end;
            justify-content: space-between;
            gap: 16px;
            flex-wrap: wrap;
            margin-bottom: 24px;
        }

        /* ============ 筛选工具栏 ============ */
        .filter-toolbar {
            background: var(--bg-card);
            border: 1px solid var(--border-glass);
            border-radius: 16px;
            padding: 16px 20px;
            display: flex;
            align-items: center;
            gap: 16px;
            flex-wrap: wrap;
            backdrop-filter: blur(18px);
            -webkit-backdrop-filter: blur(18px);
            box-shadow: var(--shadow-card);
        }
        .filter-toolbar .filter-label {
            font-size: 0.85rem;
            color: var(--text-muted);
            font-weight: 500;
            white-space: nowrap;
            display: flex;
            align-items: center;
            gap: 6px;
        }
        .filter-toolbar select {
            background: rgba(255, 255, 255, 0.06);
            border: 1px solid var(--border-glass);
            color: var(--text-soft);
            border-radius: var(--radius-input);
            padding: 8px 14px;
            font-size: 0.88rem;
            min-width: 120px;
            outline: none;
            transition: border-color 0.25s ease, box-shadow 0.25s ease;
            appearance: none;
            -webkit-appearance: none;
            cursor: pointer;
        }
        .filter-toolbar select:hover,
        .filter-toolbar select:focus {
            border-color: var(--color-accent);
            box-shadow: 0 0 0 3px rgba(0, 194, 255, 0.15);
        }
        .filter-toolbar .filter-apply {
            background: linear-gradient(135deg, #00C2FF, #1B4FFF);
            color: #fff;
            border-radius: var(--radius-btn);
            padding: 8px 20px;
            font-size: 0.85rem;
            font-weight: 600;
            box-shadow: var(--shadow-glow);
            transition: box-shadow 0.3s ease, transform 0.2s ease;
        }
        .filter-toolbar .filter-apply:hover,
        .filter-toolbar .filter-apply:focus {
            box-shadow: var(--shadow-glow-hover);
            transform: translateY(-1px);
        }

        /* ============ 列表卡片主体 ============ */
        .analysis-grid {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 20px;
        }
        .analysis-card {
            background: var(--bg-card);
            border: 1px solid var(--border-glass);
            border-radius: var(--radius-card);
            padding: 24px;
            display: flex;
            flex-direction: column;
            gap: 16px;
            backdrop-filter: blur(18px);
            -webkit-backdrop-filter: blur(18px);
            box-shadow: var(--shadow-card);
            transition: transform 0.3s ease, border-color 0.3s ease, background 0.3s ease;
        }
        .analysis-card:hover {
            transform: translateY(-4px);
            border-color: var(--border-glass-hover);
            background: var(--bg-card-hover);
        }
        .analysis-card-top {
            display: flex;
            justify-content: space-between;
            align-items: flex-start;
            gap: 16px;
        }
        .analysis-card-img {
            width: 100%;
            height: 160px;
            border-radius: 12px;
            overflow: hidden;
            background: #0B1128;
            border: 1px solid rgba(110, 180, 255, 0.1);
        }
        .analysis-card-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
        }
        .analysis-card-category {
            display: inline-block;
            font-size: 0.75rem;
            color: var(--color-cyan);
            background: rgba(0, 194, 255, 0.1);
            border: 1px solid rgba(0, 194, 255, 0.25);
            border-radius: var(--radius-tag);
            padding: 3px 10px;
            font-weight: 500;
        }
        .analysis-card-date {
            font-size: 0.82rem;
            color: var(--text-faint);
            font-family: var(--font-mono);
            white-space: nowrap;
        }
        .analysis-card-title {
            font-size: 1.15rem;
            font-weight: 600;
            margin: 0;
            color: var(--text-white);
            line-height: 1.5;
        }
        .analysis-card-text {
            font-size: 0.9rem;
            color: var(--text-muted);
            margin: 0;
            line-height: 1.7;
        }
        .analysis-card-footer {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 12px;
            margin-top: auto;
        }
        .analysis-card-footer .data-stats {
            display: flex;
            gap: 10px;
            flex-wrap: wrap;
        }
        .analysis-card-footer .data-stats span {
            font-size: 0.78rem;
            color: var(--text-muted);
            background: rgba(255, 255, 255, 0.04);
            padding: 3px 10px;
            border-radius: 20px;
            border: 1px solid rgba(255, 255, 255, 0.06);
        }
        .read-more-btn {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            background: transparent;
            border: 1px solid var(--border-glass);
            color: var(--color-accent);
            padding: 8px 16px;
            border-radius: var(--radius-btn);
            font-size: 0.82rem;
            font-weight: 500;
            transition: background 0.25s ease, border-color 0.25s ease, color 0.25s ease;
            white-space: nowrap;
            text-decoration: none;
        }
        .read-more-btn:hover,
        .read-more-btn:focus {
            background: rgba(0, 194, 255, 0.1);
            border-color: var(--border-glass-hover);
            color: #66d9ff;
        }
        .read-more-btn i {
            font-size: 0.7rem;
        }

        /* ============ 数据提示卡 ============ */
        .data-tip-cards {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 16px;
        }
        .data-tip-card {
            background: var(--bg-card);
            border: 1px solid var(--border-glass);
            border-radius: 16px;
            padding: 20px;
            backdrop-filter: blur(16px);
            -webkit-backdrop-filter: blur(16px);
            text-align: center;
            transition: border-color 0.25s ease, transform 0.25s ease;
        }
        .data-tip-card:hover {
            border-color: var(--border-glass-hover);
            transform: translateY(-2px);
        }
        .data-tip-card .tip-icon {
            width: 44px;
            height: 44px;
            margin: 0 auto 12px;
            border-radius: 12px;
            background: rgba(0, 194, 255, 0.1);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.2rem;
            color: var(--color-cyan);
        }
        .data-tip-card .tip-value {
            font-size: 1.6rem;
            font-weight: 700;
            font-family: var(--font-mono);
            color: var(--text-white);
            display: block;
            line-height: 1.2;
        }
        .data-tip-card .tip-label {
            font-size: 0.82rem;
            color: var(--text-muted);
            margin-top: 4px;
        }

        /* ============ 热点条目 / 相关主题 ============ */
        .hot-topics-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 16px;
        }
        .hot-topic-card {
            background: var(--bg-card);
            border: 1px solid var(--border-glass);
            border-radius: 14px;
            padding: 18px;
            transition: transform 0.25s ease, border-color 0.25s ease;
            backdrop-filter: blur(14px);
            -webkit-backdrop-filter: blur(14px);
        }
        .hot-topic-card:hover {
            transform: translateY(-2px);
            border-color: var(--border-glass-hover);
        }
        .hot-topic-card .topic-title {
            font-size: 0.95rem;
            font-weight: 600;
            color: var(--text-white);
            margin: 0 0 6px;
            line-height: 1.45;
        }
        .hot-topic-card .topic-meta {
            font-size: 0.78rem;
            color: var(--text-faint);
            display: flex;
            align-items: center;
            gap: 6px;
        }

        /* ============ 标签云 ============ */
        .tag-cloud {
            display: flex;
            flex-wrap: wrap;
            gap: 10px;
        }
        .tag-cloud a {
            display: inline-block;
            background: rgba(255, 255, 255, 0.04);
            border: 1px solid var(--border-glass);
            color: var(--text-soft);
            padding: 6px 16px;
            border-radius: var(--radius-btn);
            font-size: 0.82rem;
            transition: background 0.25s ease, color 0.25s ease, border-color 0.25s ease;
            text-decoration: none;
        }
        .tag-cloud a:hover,
        .tag-cloud a:focus {
            background: rgba(0, 194, 255, 0.12);
            border-color: var(--border-glass-hover);
            color: #66d9ff;
        }
        .tag-cloud a.highlighted {
            background: rgba(0, 194, 255, 0.15);
            border-color: rgba(0, 194, 255, 0.4);
            color: var(--color-cyan);
        }

        /* ============ FAQ ============ */
        .faq-list .faq-item {
            background: var(--bg-card);
            border: 1px solid var(--border-glass);
            border-radius: 14px;
            padding: 20px 24px;
            margin-bottom: 12px;
            cursor: pointer;
            transition: background 0.3s ease, border-color 0.3s ease;
            backdrop-filter: blur(16px);
            -webkit-backdrop-filter: blur(16px);
        }
        .faq-list .faq-item:hover {
            border-color: rgba(0, 194, 255, 0.25);
        }
        .faq-list .faq-item.open {
            background: rgba(11, 25, 60, 0.72);
            border-color: var(--border-glass-hover);
        }
        .faq-item .faq-question {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            font-weight: 600;
            font-size: 0.98rem;
            color: var(--text-white);
            margin: 0;
        }
        .faq-item .faq-question .faq-arrow {
            font-size: 0.82rem;
            color: var(--color-cyan);
            transition: transform 0.3s ease;
            flex-shrink: 0;
        }
        .faq-item.open .faq-question .faq-arrow {
            transform: rotate(180deg);
        }
        .faq-item .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.35s ease, padding-top 0.3s ease;
            color: var(--text-muted);
            font-size: 0.88rem;
            line-height: 1.75;
        }
        .faq-item.open .faq-answer {
            max-height: 300px;
            padding-top: 12px;
        }

        /* ============ CTA 转化区 ============ */
        .cta-panel {
            background: linear-gradient(135deg, rgba(8, 15, 40, 0.9), rgba(11, 25, 60, 0.88));
            border: 1px solid var(--border-glass);
            border-radius: 24px;
            padding: 36px 32px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 32px;
            flex-wrap: wrap;
            box-shadow: var(--shadow-card);
            backdrop-filter: blur(20px);
            -webkit-backdrop-filter: blur(20px);
        }
        .cta-panel .cta-panel-text {
            max-width: 520px;
        }
        .cta-panel .cta-panel-text h2 {
            font-size: 1.3rem;
            font-weight: 700;
            margin: 0 0 8px;
            color: var(--text-white);
        }
        .cta-panel .cta-panel-text p {
            font-size: 0.9rem;
            color: var(--text-muted);
            margin: 0;
        }
        .cta-panel .cta-panel-actions {
            display: flex;
            gap: 12px;
            flex-wrap: wrap;
        }
        .btn-glow-primary {
            background: linear-gradient(135deg, #00C2FF, #1B4FFF);
            color: #fff;
            padding: 12px 28px;
            border-radius: var(--radius-btn);
            font-size: 0.92rem;
            font-weight: 700;
            box-shadow: var(--shadow-glow);
            transition: box-shadow 0.3s ease, transform 0.2s ease;
            text-decoration: none;
            display: inline-flex;
            align-items: center;
            gap: 8px;
        }
        .btn-glow-primary:hover,
        .btn-glow-primary:focus {
            box-shadow: var(--shadow-glow-hover);
            transform: translateY(-2px);
            color: #fff;
        }
        .btn-glass-secondary {
            background: transparent;
            color: var(--color-accent);
            border: 1px solid var(--border-glass);
            padding: 12px 22px;
            border-radius: var(--radius-btn);
            font-size: 0.88rem;
            font-weight: 500;
            transition: background 0.25s ease, border-color 0.25s ease;
            text-decoration: none;
            display: inline-flex;
            align-items: center;
            gap: 8px;
        }
        .btn-glass-secondary:hover,
        .btn-glass-secondary:focus {
            background: rgba(0, 194, 255, 0.1);
            border-color: var(--border-glass-hover);
        }

        /* ============ 页脚 ============ */
        .site-footer {
            background: linear-gradient(135deg, #070C20 0%, #0A1A4A 100%);
            border-top: 1px solid rgba(110, 180, 255, 0.1);
            padding: 48px 0 20px;
            margin-top: 80px;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1fr;
            gap: 32px;
            margin-bottom: 32px;
        }
        .footer-brand .footer-logo {
            font-size: 1.2rem;
            font-weight: 700;
            color: #fff;
            display: flex;
            align-items: center;
            gap: 10px;
            margin-bottom: 12px;
        }
        .footer-brand .footer-logo i {
            color: var(--color-accent);
        }
        .footer-desc {
            font-size: 0.88rem;
            color: var(--text-muted);
            line-height: 1.7;
            margin: 0;
        }
        .footer-col-title {
            font-size: 0.95rem;
            font-weight: 600;
            color: var(--text-white);
            margin: 0 0 12px;
        }
        .footer-col ul {
            list-style: none;
            margin: 0;
            padding: 0;
        }
        .footer-col ul li {
            margin-bottom: 8px;
        }
        .footer-col ul a {
            color: var(--text-muted);
            font-size: 0.88rem;
            text-decoration: none;
            transition: color 0.25s ease;
        }
        .footer-col ul a:hover,
        .footer-col ul a:focus {
            color: var(--color-accent);
        }
        .footer-bottom {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            border-top: 1px solid rgba(110, 180, 255, 0.1);
            padding-top: 20px;
            flex-wrap: wrap;
        }
        .copyright {
            font-size: 0.8rem;
            color: var(--text-faint);
        }
        .footer-links {
            display: flex;
            gap: 20px;
            flex-wrap: wrap;
        }
        .footer-links a {
            font-size: 0.8rem;
            color: var(--text-muted);
            text-decoration: none;
            transition: color 0.25s ease;
        }
        .footer-links a:hover,
        .footer-links a:focus {
            color: var(--color-accent);
        }

        /* ============ 响应式 ============ */
        @media (max-width: 1024px) {
            .analysis-grid {
                grid-template-columns: 1fr 1fr;
            }
            .data-tip-cards {
                grid-template-columns: repeat(2, 1fr);
            }
            .hot-topics-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
            }
            .nav-cta {
                display: none;
            }
        }
        @media (max-width: 768px) {
            :root {
                --nav-height: 60px;
            }
            .hamburger-toggle {
                display: flex;
            }
            .nav-links {
                position: fixed;
                top: var(--nav-height);
                left: 0;
                right: 0;
                background: rgba(8, 15, 40, 0.96);
                backdrop-filter: blur(20px);
                -webkit-backdrop-filter: blur(20px);
                flex-direction: column;
                align-items: flex-start;
                gap: 0;
                padding: 16px 24px;
                border-bottom: 1px solid var(--border-glass);
                box-shadow: 0 24px 48px rgba(0, 0, 0, 0.5);
                display: none;
                z-index: 998;
            }
            .nav-links.mobile-open {
                display: flex;
            }
            .nav-links li {
                width: 100%;
            }
            .nav-links a {
                padding: 14px 8px;
                font-size: 1rem;
                width: 100%;
            }
            .analysis-grid {
                grid-template-columns: 1fr;
            }
            .data-tip-cards {
                grid-template-columns: repeat(2, 1fr);
            }
            .hot-topics-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .category-hero-inner {
                flex-direction: column;
                gap: 16px;
            }
            .category-hero-text h1 {
                font-size: 1.5rem;
            }
            .filter-toolbar {
                gap: 10px;
            }
            .filter-toolbar select {
                width: 100%;
                min-width: auto;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 24px;
            }
            .footer-bottom {
                flex-direction: column;
                align-items: flex-start;
                gap: 12px;
            }
            .cta-panel {
                padding: 24px 20px;
                flex-direction: column;
                align-items: flex-start;
            }
            .section-block {
                padding: 28px 0;
            }
        }
        @media (max-width: 375px) {
            .data-tip-cards {
                grid-template-columns: 1fr;
            }
            .hot-topics-grid {
                grid-template-columns: 1fr;
            }
            .filter-toolbar .filter-label {
                width: 100%;
            }
            .filter-toolbar select {
                width: 100%;
            }
            .cta-panel .cta-panel-actions {
                flex-direction: column;
                width: 100%;
            }
            .cta-panel .cta-panel-actions a,
            .cta-panel .cta-panel-actions button {
                width: 100%;
                justify-content: center;
            }
        }

/* roulang page: category6 */
:root {
            --bg-primary: #080D1F;
            --bg-elevated: #0B1128;
            --bg-card: rgba(8, 15, 40, 0.55);
            --bg-card-hover: rgba(11, 25, 60, 0.78);
            --color-primary: #1B4FFF;
            --color-primary-light: #0B6EFF;
            --color-accent: #00C2FF;
            --color-cyan: #00C9E8;
            --color-amber: #FFB300;
            --color-green: #35F0B0;
            --color-danger: #FF4D6D;
            --text-white: #F0F4FF;
            --text-soft: #C8D4E8;
            --text-muted: #8A98B8;
            --text-faint: #66739A;
            --border-glass: rgba(110, 180, 255, 0.18);
            --border-glass-hover: rgba(0, 194, 255, 0.38);
            --highlight-glass: rgba(255, 255, 255, 0.06);
            --shadow-card: 0 24px 60px rgba(0, 0, 0, 0.38);
            --shadow-glow: 0 0 24px rgba(0, 194, 255, 0.35);
            --shadow-glow-hover: 0 0 32px rgba(0, 194, 255, 0.55);
            --radius-card: 20px;
            --radius-tag: 8px;
            --radius-btn: 999px;
            --radius-input: 10px;
            --gap-section: 72px;
            --gap-section-mobile: 48px;
            --container-max: 1200px;
            --nav-height: 72px;
            --font-sans: 'PingFang SC', 'Microsoft YaHei', 'Noto Sans SC', 'Inter', sans-serif;
            --font-mono: 'Inter', 'Roboto Condensed', 'SF Pro Display', monospace;
        }

        html {
            scroll-behavior: smooth;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
            box-sizing: border-box;
        }
        *,
        *::before,
        *::after {
            box-sizing: inherit;
        }

        body {
            font-family: var(--font-sans);
            font-size: 16px;
            line-height: 1.85;
            color: var(--text-white);
            background-color: var(--bg-primary);
            background-image:
                radial-gradient(ellipse at 20% 10%, rgba(27, 79, 255, 0.14) 0%, transparent 55%),
                radial-gradient(ellipse at 85% 20%, rgba(0, 194, 255, 0.10) 0%, transparent 50%),
                radial-gradient(ellipse at 50% 70%, rgba(27, 79, 255, 0.06) 0%, transparent 60%);
            background-attachment: fixed;
            margin: 0;
            min-height: 100vh;
            overflow-x: hidden;
        }

        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        a {
            color: var(--color-accent);
            text-decoration: none;
            transition: color 0.25s ease;
        }
        a:hover {
            color: #66d9ff;
        }
        button,
        input,
        select,
        textarea {
            font-family: inherit;
            font-size: inherit;
            line-height: inherit;
        }
        button {
            cursor: pointer;
            border: none;
            background: none;
            color: inherit;
        }
        ul {
            margin: 0;
            padding: 0;
            list-style: none;
        }

        .container-main {
            max-width: var(--container-max);
            margin: 0 auto;
            padding: 0 24px;
        }

        /* ========== 导航 ========== */
        .site-header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 999;
            background: linear-gradient(135deg, #070C20 0%, #0A1A4A 35%, #1B4FFF 100%);
            box-shadow: 0 4px 24px rgba(0, 0, 0, 0.32);
            height: var(--nav-height);
            display: flex;
            align-items: center;
            transition: box-shadow 0.3s ease;
        }
        .site-header.scrolled {
            box-shadow: 0 8px 32px rgba(0, 0, 0, 0.45);
        }
        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 24px;
            width: 100%;
        }
        .brand-logo {
            display: flex;
            align-items: center;
            gap: 10px;
            color: #fff;
            text-decoration: none;
            font-weight: 700;
            font-size: 1.15rem;
            letter-spacing: 0.02em;
            white-space: nowrap;
        }
        .brand-logo .logo-icon {
            width: 38px;
            height: 38px;
            background: linear-gradient(135deg, #00C2FF, #1B4FFF);
            border-radius: 10px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.1rem;
            color: #fff;
            box-shadow: 0 0 18px rgba(0, 194, 255, 0.32);
        }
        .brand-logo .brand-text {
            color: #fff;
            font-weight: 700;
            letter-spacing: 0.03em;
        }
        .nav-links {
            display: flex;
            align-items: center;
            gap: 6px;
            list-style: none;
            margin: 0;
            padding: 0;
        }
        .nav-links li {
            position: relative;
        }
        .nav-links a {
            display: block;
            padding: 8px 14px;
            color: rgba(240, 244, 255, 0.82);
            font-size: 0.92rem;
            font-weight: 500;
            text-decoration: none;
            border-radius: 8px;
            transition: background 0.25s ease, color 0.25s ease, box-shadow 0.25s ease;
            white-space: nowrap;
        }
        .nav-links a:hover,
        .nav-links a:focus {
            background: rgba(255, 255, 255, 0.12);
            color: #fff;
        }
        .nav-links a.active {
            color: #fff;
            background: rgba(255, 255, 255, 0.08);
            box-shadow: inset 0 -2px 0 var(--color-accent);
        }
        .nav-cta {
            background: linear-gradient(135deg, #FFB300 0%, #FF8C00 100%);
            color: #1a1a1a;
            font-weight: 600;
            padding: 10px 20px;
            border-radius: 999px;
            font-size: 0.92rem;
            text-decoration: none;
            white-space: nowrap;
            transition: box-shadow 0.3s ease, transform 0.2s ease, background 0.3s ease;
            box-shadow: 0 0 20px rgba(255, 179, 0, 0.28);
        }
        .nav-cta:hover,
        .nav-cta:focus {
            box-shadow: 0 0 28px rgba(255, 179, 0, 0.48);
            transform: translateY(-1px);
            color: #1a1a1a;
        }
        .hamburger-toggle {
            display: none;
            flex-direction: column;
            gap: 5px;
            width: 40px;
            height: 40px;
            align-items: center;
            justify-content: center;
            border-radius: 8px;
            background: rgba(255, 255, 255, 0.08);
            transition: background 0.25s ease;
        }
        .hamburger-toggle:hover {
            background: rgba(255, 255, 255, 0.16);
        }
        .hamburger-toggle span {
            width: 20px;
            height: 2px;
            background: #fff;
            border-radius: 2px;
            transition: transform 0.3s ease, opacity 0.3s ease;
        }
        .hamburger-toggle.open span:nth-child(1) {
            transform: translateY(7px) rotate(45deg);
        }
        .hamburger-toggle.open span:nth-child(2) {
            opacity: 0;
        }
        .hamburger-toggle.open span:nth-child(3) {
            transform: translateY(-7px) rotate(-45deg);
        }

        /* ========== 面包屑 ========== */
        .breadcrumb-section {
            padding-top: calc(var(--nav-height) + 32px);
            padding-bottom: 4px;
        }
        .breadcrumb {
            display: flex;
            align-items: center;
            flex-wrap: wrap;
            gap: 8px;
            font-size: 0.86rem;
            color: var(--text-muted);
            margin: 0;
            padding: 0;
            list-style: none;
        }
        .breadcrumb li {
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .breadcrumb li:not(:last-child)::after {
            content: "\f105";
            font-family: "Font Awesome 6 Free";
            font-weight: 900;
            font-size: 0.75rem;
            color: var(--text-faint);
        }
        .breadcrumb a {
            color: var(--text-muted);
            text-decoration: none;
            transition: color 0.25s ease;
        }
        .breadcrumb a:hover {
            color: var(--color-accent);
        }
        .breadcrumb .current {
            color: var(--text-soft);
            font-weight: 500;
        }

        /* ========== 页面头/H1 ========== */
        .page-title-section {
            padding: 24px 0 8px;
        }
        .page-title-section h1 {
            font-size: clamp(2rem, 4vw, 2.75rem);
            font-weight: 700;
            letter-spacing: -0.01em;
            color: var(--text-white);
            margin: 0 0 12px;
            line-height: 1.3;
        }
        .page-title-section .page-subtitle {
            font-size: 1.05rem;
            color: var(--text-soft);
            line-height: 1.85;
            max-width: 820px;
            margin: 0;
        }

        /* ========== 工具栏 ========== */
        .toolbar-section {
            padding: 24px 0 12px;
        }
        .glass-toolbar {
            background: var(--bg-card);
            backdrop-filter: blur(20px);
            -webkit-backdrop-filter: blur(20px);
            border: 1px solid var(--border-glass);
            border-radius: 16px;
            padding: 18px 22px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 14px;
            box-shadow: var(--shadow-card);
        }
        .toolbar-group {
            display: flex;
            align-items: center;
            gap: 10px;
            flex-wrap: wrap;
        }
        .toolbar-label {
            font-size: 0.88rem;
            color: var(--text-muted);
            white-space: nowrap;
            font-weight: 500;
        }
        .toolbar-select {
            background: rgba(11, 17, 40, 0.8);
            border: 1px solid var(--border-glass);
            border-radius: 8px;
            color: var(--text-soft);
            padding: 8px 32px 8px 14px;
            font-size: 0.88rem;
            outline: none;
            transition: border-color 0.25s ease, box-shadow 0.25s ease;
            cursor: pointer;
            appearance: none;
            background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 24 24' fill='none' stroke='%238A98B8' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='6 9 12 15 18 9'%3E%3C/polyline%3E%3C/svg%3E");
            background-repeat: no-repeat;
            background-position: right 14px center;
            min-width: 120px;
        }
        .toolbar-select:focus {
            border-color: var(--color-accent);
            box-shadow: 0 0 0 3px rgba(0, 194, 255, 0.18);
        }
        .toolbar-btn {
            display: inline-flex;
            align-items: center;
            gap: 7px;
            background: rgba(27, 79, 255, 0.22);
            border: 1px solid rgba(110, 180, 255, 0.28);
            color: var(--text-soft);
            padding: 8px 18px;
            border-radius: 999px;
            font-size: 0.88rem;
            font-weight: 500;
            transition: background 0.25s ease, border-color 0.25s ease, color 0.25s ease;
            cursor: pointer;
        }
        .toolbar-btn:hover {
            background: rgba(27, 79, 255, 0.4);
            border-color: var(--border-glass-hover);
            color: #fff;
        }
        .toolbar-btn.active-filter {
            background: rgba(0, 194, 255, 0.22);
            border-color: rgba(0, 194, 255, 0.5);
            color: #fff;
        }
        .toolbar-count {
            font-size: 0.86rem;
            color: var(--text-faint);
            white-space: nowrap;
            font-family: var(--font-mono);
            letter-spacing: 0.02em;
        }

        /* ========== 板块通用 ========== */
        .main-sections {
            display: flex;
            flex-direction: column;
            gap: var(--gap-section);
        }
        .section-block {
            padding: 12px 0;
        }
        .section-heading {
            display: flex;
            align-items: flex-end;
            justify-content: space-between;
            gap: 16px;
            margin-bottom: 24px;
            flex-wrap: wrap;
        }
        .section-heading h2 {
            font-size: clamp(1.5rem, 2.6vw, 1.9rem);
            font-weight: 700;
            color: var(--text-white);
            margin: 0;
            letter-spacing: -0.01em;
        }
        .section-heading .section-intro {
            font-size: 0.94rem;
            color: var(--text-muted);
            margin: 4px 0 0;
            max-width: 560px;
        }
        .section-heading .more-link {
            font-size: 0.9rem;
            color: var(--color-accent);
            text-decoration: none;
            font-weight: 500;
            white-space: nowrap;
            transition: color 0.25s ease;
        }
        .section-heading .more-link:hover {
            color: #66d9ff;
        }

        /* ========== 新闻列表 ========== */
        .news-list {
            display: flex;
            flex-direction: column;
            gap: 18px;
        }
        .news-card {
            display: grid;
            grid-template-columns: 260px 1fr auto;
            gap: 22px;
            align-items: center;
            background: var(--bg-card);
            backdrop-filter: blur(20px);
            -webkit-backdrop-filter: blur(20px);
            border: 1px solid var(--border-glass);
            border-radius: var(--radius-card);
            padding: 20px 24px;
            box-shadow: var(--shadow-card);
            transition: transform 0.28s ease, border-color 0.28s ease, background 0.28s ease, box-shadow 0.28s ease;
        }
        .news-card:hover {
            transform: translateY(-4px);
            border-color: var(--border-glass-hover);
            background: var(--bg-card-hover);
            box-shadow: 0 28px 68px rgba(0, 0, 0, 0.46);
        }
        .news-card-img {
            width: 260px;
            height: 150px;
            border-radius: 12px;
            overflow: hidden;
            position: relative;
            flex-shrink: 0;
        }
        .news-card-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.4s ease;
        }
        .news-card:hover .news-card-img img {
            transform: scale(1.05);
        }
        .news-card-img .news-tag-badge {
            position: absolute;
            top: 10px;
            left: 10px;
            background: rgba(8, 15, 40, 0.72);
            backdrop-filter: blur(8px);
            border: 1px solid rgba(110, 180, 255, 0.28);
            color: var(--text-soft);
            font-size: 0.72rem;
            font-weight: 600;
            padding: 4px 12px;
            border-radius: 999px;
            letter-spacing: 0.02em;
            z-index: 2;
        }
        .news-card-body {
            min-width: 0;
        }
        .news-card-body .news-date {
            font-size: 0.82rem;
            color: var(--text-faint);
            font-family: var(--font-mono);
            letter-spacing: 0.04em;
            margin: 0 0 6px;
        }
        .news-card-body h3 {
            font-size: 1.12rem;
            font-weight: 600;
            color: var(--text-white);
            margin: 0 0 10px;
            line-height: 1.5;
            letter-spacing: -0.01em;
        }
        .news-card-body h3 a {
            color: var(--text-white);
            text-decoration: none;
            transition: color 0.25s ease;
        }
        .news-card-body h3 a:hover {
            color: var(--color-accent);
        }
        .news-card-body .news-excerpt {
            font-size: 0.92rem;
            color: var(--text-muted);
            line-height: 1.78;
            margin: 0;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }
        .news-card-action {
            flex-shrink: 0;
        }
        .btn-outline-sm {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            background: transparent;
            border: 1px solid rgba(110, 180, 255, 0.35);
            color: var(--text-soft);
            padding: 8px 18px;
            border-radius: 999px;
            font-size: 0.85rem;
            font-weight: 500;
            text-decoration: none;
            white-space: nowrap;
            transition: background 0.25s ease, border-color 0.25s ease, color 0.25s ease, box-shadow 0.25s ease;
        }
        .btn-outline-sm:hover {
            background: rgba(110, 180, 255, 0.14);
            border-color: var(--border-glass-hover);
            color: #fff;
            box-shadow: 0 0 16px rgba(0, 194, 255, 0.18);
        }
        .news-load-more {
            text-align: center;
            margin-top: 28px;
        }
        .btn-glass-lg {
            display: inline-inline-flex;
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: rgba(27, 79, 255, 0.22);
            border: 1px solid rgba(110, 180, 255, 0.3);
            color: var(--text-soft);
            padding: 12px 32px;
            border-radius: 999px;
            font-size: 0.95rem;
            font-weight: 600;
            text-decoration: none;
            transition: background 0.25s ease, border-color 0.25s ease, color 0.25s ease, transform 0.2s ease;
        }
        .btn-glass-lg:hover {
            background: rgba(27, 79, 255, 0.42);
            border-color: var(--border-glass-hover);
            color: #fff;
            transform: translateY(-2px);
        }

        /* ========== 热点条目 ========== */
        .hot-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 20px;
        }
        .hot-card {
            background: var(--bg-card);
            backdrop-filter: blur(20px);
            -webkit-backdrop-filter: blur(20px);
            border: 1px solid var(--border-glass);
            border-radius: 16px;
            padding: 20px;
            position: relative;
            transition: transform 0.28s ease, border-color 0.28s ease, background 0.28s ease;
            box-shadow: var(--shadow-card);
        }
        .hot-card:hover {
            transform: translateY(-4px);
            border-color: var(--border-glass-hover);
            background: var(--bg-card-hover);
        }
        .hot-rank {
            position: absolute;
            top: -12px;
            right: 18px;
            background: linear-gradient(135deg, #FFB300, #FF8C00);
            color: #1a1a1a;
            font-weight: 700;
            font-size: 0.82rem;
            width: 38px;
            height: 38px;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            box-shadow: 0 0 18px rgba(255, 179, 0, 0.35);
            font-family: var(--font-mono);
        }
        .hot-card h4 {
            font-size: 1rem;
            font-weight: 600;
            color: var(--text-white);
            margin: 0 0 8px;
            padding-right: 40px;
            line-height: 1.5;
        }
        .hot-card .hot-meta {
            font-size: 0.82rem;
            color: var(--text-faint);
            display: flex;
            gap: 14px;
            align-items: center;
        }
        .hot-card .hot-meta span {
            display: inline-flex;
            align-items: center;
            gap: 5px;
        }

        /* ========== 标签云 ========== */
        .tag-cloud-section {
            padding: 28px 0 12px;
        }
        .tag-cloud {
            display: flex;
            flex-wrap: wrap;
            gap: 12px;
            align-items: center;
        }
        .tag-cloud a {
            display: inline-flex;
            align-items: center;
            padding: 8px 20px;
            border-radius: 999px;
            background: rgba(11, 17, 40, 0.7);
            border: 1px solid rgba(110, 180, 255, 0.2);
            color: var(--text-soft);
            font-size: 0.86rem;
            font-weight: 500;
            text-decoration: none;
            transition: background 0.25s ease, border-color 0.25s ease, color 0.25s ease, transform 0.2s ease;
            cursor: default;
        }
        .tag-cloud a:hover {
            background: rgba(27, 79, 255, 0.32);
            border-color: rgba(0, 194, 255, 0.4);
            color: #fff;
            transform: translateY(-2px);
        }
        .tag-cloud .tag-accent {
            background: rgba(0, 194, 255, 0.16);
            border-color: rgba(0, 194, 255, 0.35);
            color: #fff;
        }

        /* ========== 数据提示 ========== */
        .data-tip-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 20px;
        }
        .data-tip-card {
            background: var(--bg-card);
            backdrop-filter: blur(20px);
            -webkit-backdrop-filter: blur(20px);
            border: 1px solid var(--border-glass);
            border-radius: 16px;
            padding: 22px;
            display: flex;
            gap: 16px;
            align-items: flex-start;
            box-shadow: var(--shadow-card);
            transition: transform 0.28s ease, border-color 0.28s ease;
        }
        .data-tip-card:hover {
            transform: translateY(-3px);
            border-color: var(--border-glass-hover);
        }
        .data-tip-icon {
            width: 44px;
            height: 44px;
            border-radius: 12px;
            background: linear-gradient(135deg, rgba(0, 194, 255, 0.2), rgba(27, 79, 255, 0.2));
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.1rem;
            color: var(--color-accent);
            flex-shrink: 0;
            border: 1px solid rgba(110, 180, 255, 0.25);
        }
        .data-tip-content h4 {
            font-size: 1rem;
            font-weight: 600;
            color: var(--text-white);
            margin: 0 0 6px;
        }
        .data-tip-content p {
            font-size: 0.88rem;
            color: var(--text-muted);
            line-height: 1.7;
            margin: 0;
        }

        /* ========== FAQ ========== */
        .faq-list {
            display: flex;
            flex-direction: column;
            gap: 14px;
        }
        .faq-item {
            background: var(--bg-card);
            backdrop-filter: blur(20px);
            -webkit-backdrop-filter: blur(20px);
            border: 1px solid var(--border-glass);
            border-radius: 14px;
            overflow: hidden;
            transition: border-color 0.3s ease, background 0.3s ease;
        }
        .faq-item.open {
            border-color: var(--border-glass-hover);
            background: var(--bg-card-hover);
        }
        .faq-question {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            padding: 18px 22px;
            cursor: pointer;
            font-size: 1rem;
            font-weight: 600;
            color: var(--text-white);
            transition: color 0.25s ease;
            user-select: none;
            text-align: left;
            width: 100%;
            background: none;
            border: none;
        }
        .faq-question:hover {
            color: var(--color-accent);
        }
        .faq-question .faq-arrow {
            flex-shrink: 0;
            font-size: 0.85rem;
            color: var(--text-muted);
            transition: transform 0.35s ease, color 0.3s ease;
        }
        .faq-item.open .faq-question .faq-arrow {
            transform: rotate(180deg);
            color: var(--color-accent);
        }
        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.4s ease, padding 0.35s ease;
            padding: 0 22px;
        }
        .faq-item.open .faq-answer {
            max-height: 300px;
            padding: 0 22px 18px;
        }
        .faq-answer p {
            margin: 0;
            font-size: 0.92rem;
            color: var(--text-muted);
            line-height: 1.8;
        }

        /* ========== CTA ========== */
        .cta-section {
            background: var(--bg-card);
            backdrop-filter: blur(22px);
            -webkit-backdrop-filter: blur(22px);
            border: 1px solid var(--border-glass);
            border-radius: var(--radius-card);
            padding: 36px 40px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 24px;
            flex-wrap: wrap;
            box-shadow: var(--shadow-card);
        }
        .cta-content {
            max-width: 580px;
        }
        .cta-content h3 {
            font-size: 1.4rem;
            font-weight: 700;
            color: var(--text-white);
            margin: 0 0 8px;
        }
        .cta-content p {
            font-size: 0.94rem;
            color: var(--text-muted);
            margin: 0;
            line-height: 1.75;
        }
        .btn-glow {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: linear-gradient(135deg, #00C2FF 0%, #1B4FFF 100%);
            color: #fff;
            padding: 14px 32px;
            border-radius: 999px;
            font-size: 0.95rem;
            font-weight: 600;
            text-decoration: none;
            box-shadow: var(--shadow-glow);
            transition: box-shadow 0.3s ease, transform 0.25s ease, filter 0.3s ease;
            white-space: nowrap;
        }
        .btn-glow:hover,
        .btn-glow:focus {
            box-shadow: var(--shadow-glow-hover);
            transform: translateY(-2px);
            filter: brightness(1.1);
            color: #fff;
        }
        .btn-glow:active {
            transform: scale(0.98);
        }

        /* ========== 订阅区（页脚锚点） ========== */
        #subscribe {
            scroll-margin-top: var(--nav-height);
        }
        .subscribe-panel {
            background: var(--bg-card);
            backdrop-filter: blur(22px);
            -webkit-backdrop-filter: blur(22px);
            border: 1px solid var(--border-glass);
            border-radius: var(--radius-card);
            padding: 36px 40px;
            box-shadow: var(--shadow-card);
        }
        .subscribe-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 40px;
            align-items: center;
        }
        .subscribe-info h3 {
            font-size: 1.4rem;
            font-weight: 700;
            color: var(--text-white);
            margin: 0 0 8px;
        }
        .subscribe-info p {
            font-size: 0.94rem;
            color: var(--text-muted);
            margin: 0 0 12px;
            line-height: 1.75;
        }
        .subscribe-info .privacy-note {
            font-size: 0.8rem;
            color: var(--text-faint);
            line-height: 1.6;
            display: flex;
            gap: 6px;
            align-items: flex-start;
        }
        .subscribe-form {
            display: flex;
            gap: 12px;
            flex-wrap: wrap;
        }
        .subscribe-form input {
            flex: 1;
            min-width: 200px;
            background: rgba(11, 17, 40, 0.8);
            border: 1px solid var(--border-glass);
            border-radius: var(--radius-input);
            color: var(--text-white);
            padding: 12px 16px;
            font-size: 0.92rem;
            outline: none;
            transition: border-color 0.25s ease, box-shadow 0.25s ease;
        }
        .subscribe-form input::placeholder {
            color: var(--text-faint);
        }
        .subscribe-form input:focus {
            border-color: var(--color-accent);
            box-shadow: 0 0 0 3px rgba(0, 194, 255, 0.2);
        }
        .subscribe-form .btn-glow {
            flex-shrink: 0;
            padding: 12px 26px;
            font-size: 0.9rem;
        }

        /* ========== 页脚 ========== */
        .site-footer {
            margin-top: var(--gap-section);
            background: #060A1A;
            border-top: 1px solid rgba(110, 180, 255, 0.12);
            padding: 48px 0 28px;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 1.6fr 1fr 1fr 1fr;
            gap: 40px;
            padding-bottom: 32px;
            border-bottom: 1px solid rgba(110, 180, 255, 0.1);
        }
        .footer-brand {
            min-width: 0;
        }
        .footer-logo {
            font-size: 1.3rem;
            font-weight: 700;
            color: #fff;
            display: flex;
            align-items: center;
            gap: 10px;
            margin-bottom: 12px;
        }
        .footer-logo i {
            font-size: 1.4rem;
            color: var(--color-accent);
        }
        .footer-desc {
            font-size: 0.9rem;
            color: var(--text-muted);
            line-height: 1.75;
            margin: 0;
            max-width: 320px;
        }
        .footer-col-title {
            font-size: 0.96rem;
            font-weight: 600;
            color: var(--text-soft);
            margin-bottom: 14px;
            letter-spacing: 0.02em;
        }
        .footer-col ul {
            list-style: none;
            margin: 0;
            padding: 0;
            display: flex;
            flex-direction: column;
            gap: 9px;
        }
        .footer-col ul a {
            font-size: 0.9rem;
            color: var(--text-muted);
            text-decoration: none;
            transition: color 0.25s ease;
        }
        .footer-col ul a:hover {
            color: var(--color-accent);
        }
        .footer-bottom {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            padding-top: 24px;
            flex-wrap: wrap;
        }
        .copyright {
            font-size: 0.84rem;
            color: var(--text-faint);
        }
        .footer-links {
            display: flex;
            gap: 16px;
            align-items: center;
        }
        .footer-links a {
            font-size: 0.84rem;
            color: var(--text-faint);
            text-decoration: none;
            transition: color 0.25s ease;
        }
        .footer-links a:hover {
            color: var(--color-accent);
        }

        /* ========== 响应式 ========== */
        @media (max-width: 1024px) {
            :root {
                --gap-section: 52px;
            }
            .nav-links a {
                padding: 7px 10px;
                font-size: 0.85rem;
            }
            .news-card {
                grid-template-columns: 200px 1fr;
                gap: 18px;
                padding: 18px 20px;
            }
            .news-card-img {
                width: 200px;
                height: 130px;
            }
            .news-card-action {
                grid-column: 2;
                justify-self: start;
                padding-top: 2px;
            }
            .hot-grid,
            .data-tip-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .footer-grid {
                grid-template-columns: 1.4fr 1fr 1fr;
                gap: 30px;
            }
            .subscribe-grid {
                grid-template-columns: 1fr;
                gap: 28px;
            }
        }

        @media (max-width: 768px) {
            :root {
                --nav-height: 64px;
                --gap-section: 40px;
            }
            body {
                font-size: 15px;
            }
            .container-main {
                padding: 0 16px;
            }
            .hamburger-toggle {
                display: flex;
            }
            .nav-links {
                position: fixed;
                top: var(--nav-height);
                left: 0;
                right: 0;
                background: rgba(7, 12, 32, 0.97);
                backdrop-filter: blur(24px);
                -webkit-backdrop-filter: blur(24px);
                flex-direction: column;
                align-items: stretch;
                gap: 2px;
                padding: 16px 20px;
                box-shadow: 0 12px 40px rgba(0, 0, 0, 0.5);
                transform: translateY(-120%);
                opacity: 0;
                visibility: hidden;
                transition: transform 0.35s ease, opacity 0.3s ease, visibility 0.3s ease;
                z-index: 998;
                border-bottom: 1px solid var(--border-glass);
                max-height: calc(100vh - var(--nav-height));
                overflow-y: auto;
            }
            .nav-links.open {
                transform: translateY(0);
                opacity: 1;
                visibility: visible;
            }
            .nav-links li {
                width: 100%;
            }
            .nav-links a {
                display: block;
                width: 100%;
                padding: 14px 16px;
                font-size: 1rem;
                border-radius: 10px;
                white-space: normal;
                text-align: left;
            }
            .nav-links a.active {
                background: rgba(110, 180, 255, 0.14);
            }
            .desktop-cta {
                display: none;
            }
            .news-card {
                grid-template-columns: 1fr;
                gap: 14px;
                padding: 16px;
            }
            .news-card-img {
                width: 100%;
                height: 180px;
                order: -1;
            }
            .news-card-action {
                grid-column: 1;
                justify-self: start;
                padding-top: 4px;
            }
            .news-card-body .news-excerpt {
                -webkit-line-clamp: 3;
            }
            .toolbar-section .glass-toolbar {
                flex-direction: column;
                align-items: stretch;
                gap: 12px;
                padding: 16px;
            }
            .toolbar-group {
                flex-wrap: wrap;
            }
            .toolbar-select {
                flex: 1;
                min-width: 0;
            }
            .hot-grid,
            .data-tip-grid {
                grid-template-columns: 1fr;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 28px;
            }
            .footer-brand {
                max-width: 100%;
            }
            .footer-desc {
                max-width: 100%;
            }
            .footer-bottom {
                flex-direction: column;
                align-items: flex-start;
                gap: 10px;
            }
            .cta-section {
                flex-direction: column;
                align-items: flex-start;
                padding: 28px 24px;
            }
            .cta-content {
                max-width: 100%;
            }
            .subscribe-panel {
                padding: 26px 20px;
            }
            .subscribe-form {
                flex-direction: column;
            }
            .subscribe-form input {
                min-width: 0;
                width: 100%;
            }
            .subscribe-form .btn-glow {
                width: 100%;
                justify-content: center;
            }
            .breadcrumb-section {
                padding-top: calc(var(--nav-height) + 20px);
            }
            .page-title-section h1 {
                font-size: 1.75rem;
            }
            .section-heading h2 {
                font-size: 1.3rem;
            }
        }

        @media (max-width: 520px) {
            :root {
                --gap-section: 32px;
                --nav-height: 60px;
            }
            .brand-logo {
                font-size: 0.98rem;
                gap: 8px;
            }
            .brand-logo .logo-icon {
                width: 34px;
                height: 34px;
                font-size: 0.9rem;
                border-radius: 8px;
            }
            .news-card-img {
                height: 150px;
                border-radius: 8px;
            }
            .news-card-body h3 {
                font-size: 1rem;
            }
            .news-card-body .news-excerpt {
                font-size: 0.86rem;
            }
            .btn-outline-sm {
                padding: 7px 14px;
                font-size: 0.8rem;
            }
            .news-load-more .btn-glass-lg {
                width: 100%;
                justify-content: center;
            }
            .section-heading {
                flex-direction: column;
                align-items: flex-start;
                gap: 8px;
            }
            .section-heading .section-intro {
                font-size: 0.88rem;
            }
            .tag-cloud {
                gap: 8px;
            }
            .tag-cloud a {
                padding: 6px 16px;
                font-size: 0.8rem;
            }
            .cta-section {
                padding: 22px 18px;
                border-radius: 16px;
            }
            .btn-glow {
                padding: 12px 24px;
                font-size: 0.88rem;
                width: 100%;
                justify-content: center;
            }
        }