/* roulang page: index */
:root {
            --bg-base: #15100C;
            --bg-card: #1E1712;
            --bg-input: #160F0B;
            --primary: #FF4E1B;
            --primary-hover: #E8430F;
            --primary-soft: rgba(255, 78, 27, 0.14);
            --accent: #E5A23A;
            --accent-soft: rgba(229, 162, 58, 0.12);
            --highlight: #FF7A3D;
            --text-main: #F7F0E8;
            --text-secondary: #C9BEB5;
            --text-muted: #9A8D82;
            --border-subtle: rgba(255, 255, 255, 0.08);
            --border-strong: rgba(255, 255, 255, 0.14);
            --overlay-dark: rgba(10, 6, 4, 0.68);
            --radius-card: 16px;
            --radius-pill: 999px;
            --shadow-card: 0 10px 30px rgba(0, 0, 0, 0.35);
            --shadow-hover: 0 14px 34px rgba(255, 78, 27, 0.18);
            --font-sans: "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
            --section-pad: 80px;
            --section-pad-mobile: 48px;
            --container-max: 1200px;
        }
        * {
            box-sizing: border-box;
        }
        html {
            scroll-behavior: smooth;
        }
        body {
            font-family: var(--font-sans);
            background-color: var(--bg-base);
            color: var(--text-main);
            font-size: 15.5px;
            line-height: 1.8;
            margin: 0;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
            overflow-x: hidden;
        }
        a {
            color: var(--text-main);
            text-decoration: none;
            transition: color 0.25s ease, border-color 0.25s ease;
        }
        a:hover {
            color: var(--accent);
        }
        img {
            max-width: 100%;
            display: block;
        }
        button,
        input,
        select,
        textarea {
            font-family: var(--font-sans);
            font-size: 15px;
        }
        .container-custom {
            max-width: var(--container-max);
            margin: 0 auto;
            padding-left: 16px;
            padding-right: 16px;
        }
        @media (min-width: 768px) {
            .container-custom {
                padding-left: 24px;
                padding-right: 24px;
            }
        }
        section {
            padding: var(--section-pad-mobile) 0;
            position: relative;
        }
        @media (min-width: 992px) {
            section {
                padding: var(--section-pad) 0;
            }
        }
        .section-heading {
            margin-bottom: 28px;
        }
        .section-heading h2 {
            font-size: 24px;
            font-weight: 700;
            letter-spacing: 0.02em;
            color: var(--text-main);
            margin-bottom: 10px;
            line-height: 1.35;
        }
        @media (min-width: 768px) {
            .section-heading h2 {
                font-size: 28px;
            }
        }
        .section-heading p {
            font-size: 15px;
            color: var(--text-secondary);
            max-width: 680px;
            line-height: 1.85;
            margin-bottom: 0;
        }
        .section-tag {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: var(--primary-soft);
            color: var(--highlight);
            font-size: 13px;
            font-weight: 600;
            letter-spacing: 0.04em;
            padding: 6px 16px;
            border-radius: var(--radius-pill);
            margin-bottom: 14px;
            border: 1px solid rgba(255, 78, 27, 0.22);
        }
        .section-tag .dot {
            width: 6px;
            height: 6px;
            border-radius: 50%;
            background: var(--primary);
            display: inline-block;
        }
        .bg-subtle-card {
            background: var(--bg-card);
            border: 1px solid var(--border-subtle);
            border-radius: var(--radius-card);
            box-shadow: var(--shadow-card);
        }

        /* Navigation */
        .site-header {
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            z-index: 1000;
            padding: 18px 0;
        }
        .nav-pill-wrap {
            max-width: var(--container-max);
            margin: 0 auto;
            padding: 0 16px;
        }
        .nav-pill {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            background: rgba(21, 16, 12, 0.88);
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
            border: 1px solid var(--border-subtle);
            border-radius: var(--radius-pill);
            padding: 10px 18px;
            box-shadow: 0 8px 28px rgba(0, 0, 0, 0.45);
        }
        .nav-brand {
            font-weight: 700;
            font-size: 17px;
            letter-spacing: 0.02em;
            color: var(--text-main);
            white-space: nowrap;
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .nav-brand .brand-icon {
            width: 32px;
            height: 32px;
            border-radius: 50%;
            background: var(--primary);
            display: inline-flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-size: 15px;
            flex-shrink: 0;
        }
        .nav-links {
            display: none;
            align-items: center;
            gap: 6px;
            flex-wrap: wrap;
        }
        @media (min-width: 992px) {
            .nav-links {
                display: flex;
            }
        }
        .nav-link-item {
            padding: 7px 15px;
            border-radius: var(--radius-pill);
            font-size: 14px;
            font-weight: 500;
            color: var(--text-secondary);
            letter-spacing: 0.02em;
            transition: all 0.25s ease;
            white-space: nowrap;
        }
        .nav-link-item:hover {
            color: var(--text-main);
            background: rgba(255, 255, 255, 0.06);
        }
        .nav-link-item.active {
            color: #fff;
            background: var(--primary);
        }
        .nav-cta {
            display: none;
        }
        @media (min-width: 992px) {
            .nav-cta {
                display: inline-flex;
            }
        }
        .btn-primary-custom {
            background: var(--primary);
            color: #FFF3EC;
            border: none;
            border-radius: var(--radius-pill);
            padding: 10px 22px;
            font-weight: 600;
            font-size: 14px;
            letter-spacing: 0.02em;
            transition: all 0.3s ease;
            display: inline-flex;
            align-items: center;
            gap: 8px;
            cursor: pointer;
            text-decoration: none;
            box-shadow: 0 6px 16px rgba(255, 78, 27, 0.3);
        }
        .btn-primary-custom:hover {
            background: var(--primary-hover);
            color: #fff;
            transform: translateY(-1px);
            box-shadow: 0 8px 22px rgba(255, 78, 27, 0.4);
            text-decoration: none;
        }
        .btn-primary-custom:focus {
            outline: 2px solid var(--primary);
            outline-offset: 2px;
            color: #fff;
        }
        .btn-outline-custom {
            background: transparent;
            border: 1px solid rgba(255, 255, 255, 0.24);
            color: var(--text-main);
            border-radius: var(--radius-pill);
            padding: 10px 22px;
            font-weight: 600;
            font-size: 14px;
            letter-spacing: 0.02em;
            transition: all 0.3s ease;
            display: inline-flex;
            align-items: center;
            gap: 8px;
            cursor: pointer;
            text-decoration: none;
        }
        .btn-outline-custom:hover {
            border-color: var(--accent);
            color: var(--accent);
            text-decoration: none;
            transform: translateY(-1px);
        }
        .btn-outline-custom:focus {
            outline: 2px solid var(--accent);
            outline-offset: 2px;
        }
        .nav-hamburger {
            display: flex;
            align-items: center;
            justify-content: center;
            width: 40px;
            height: 40px;
            border-radius: 50%;
            background: rgba(255, 255, 255, 0.06);
            border: 1px solid var(--border-subtle);
            color: var(--text-main);
            cursor: pointer;
            transition: all 0.25s ease;
            font-size: 18px;
        }
        .nav-hamburger:hover {
            background: rgba(255, 255, 255, 0.12);
            color: var(--accent);
        }
        @media (min-width: 992px) {
            .nav-hamburger {
                display: none;
            }
        }
        .mobile-menu {
            display: none;
            background: rgba(21, 16, 12, 0.96);
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
            border: 1px solid var(--border-subtle);
            border-radius: 20px;
            padding: 14px;
            margin-top: 10px;
            box-shadow: 0 14px 40px rgba(0, 0, 0, 0.5);
        }
        .mobile-menu.show {
            display: block;
        }
        .mobile-menu a {
            display: block;
            padding: 10px 18px;
            border-radius: var(--radius-pill);
            font-size: 15px;
            font-weight: 500;
            color: var(--text-secondary);
            transition: all 0.25s ease;
        }
        .mobile-menu a:hover {
            color: var(--text-main);
            background: rgba(255, 255, 255, 0.06);
        }
        .mobile-menu a.active {
            color: #fff;
            background: var(--primary);
        }

        /* Hero */
        .hero-section {
            min-height: 80vh;
            display: flex;
            align-items: center;
            padding: 130px 0 64px;
            background-image: url('/assets/images/82730399aea30239.webp');
            background-size: cover;
            background-position: center;
            position: relative;
            overflow: hidden;
        }
        @media (min-width: 992px) {
            .hero-section {
                min-height: 82vh;
                padding: 160px 0 80px;
            }
        }
        .hero-section::before {
            content: '';
            position: absolute;
            inset: 0;
            background: var(--overlay-dark);
            z-index: 1;
        }
        .hero-section::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            right: 0;
            height: 180px;
            background: linear-gradient(to top, var(--bg-base), transparent);
            z-index: 2;
            pointer-events: none;
        }
        .hero-content {
            position: relative;
            z-index: 3;
        }
        .hero-badge {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: rgba(255, 78, 27, 0.15);
            border: 1px solid rgba(255, 78, 27, 0.28);
            color: var(--highlight);
            font-size: 13px;
            font-weight: 600;
            padding: 7px 16px;
            border-radius: var(--radius-pill);
            margin-bottom: 18px;
            letter-spacing: 0.03em;
        }
        .hero-title {
            font-size: 30px;
            font-weight: 800;
            line-height: 1.25;
            letter-spacing: 0.015em;
            color: #fff;
            margin-bottom: 18px;
        }
        @media (min-width: 768px) {
            .hero-title {
                font-size: 38px;
                line-height: 1.2;
            }
        }
        @media (min-width: 1200px) {
            .hero-title {
                font-size: 44px;
            }
        }
        .hero-title .highlight-text {
            color: var(--primary);
            position: relative;
        }
        .hero-title .highlight-text::after {
            content: '';
            position: absolute;
            bottom: 3px;
            left: 0;
            right: 0;
            height: 6px;
            background: rgba(255, 78, 27, 0.25);
            border-radius: 3px;
            z-index: -1;
        }
        .hero-desc {
            font-size: 15.5px;
            line-height: 1.9;
            color: rgba(247, 240, 232, 0.82);
            max-width: 600px;
            margin-bottom: 28px;
        }
        @media (min-width: 768px) {
            .hero-desc {
                font-size: 16.5px;
            }
        }
        .hero-actions {
            display: flex;
            flex-wrap: wrap;
            gap: 14px;
            margin-bottom: 32px;
        }
        .hero-stats-row {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 14px;
            margin-bottom: 30px;
        }
        @media (min-width: 768px) {
            .hero-stats-row {
                grid-template-columns: repeat(4, 1fr);
                gap: 18px;
            }
        }
        .hero-stat-card {
            background: rgba(30, 23, 18, 0.82);
            border: 1px solid var(--border-subtle);
            border-radius: var(--radius-card);
            padding: 18px 16px;
            text-align: center;
            backdrop-filter: blur(6px);
            -webkit-backdrop-filter: blur(6px);
            transition: all 0.3s ease;
        }
        .hero-stat-card:hover {
            border-color: var(--primary);
            box-shadow: var(--shadow-hover);
            transform: translateY(-2px);
        }
        .hero-stat-number {
            font-size: 26px;
            font-weight: 700;
            color: #fff;
            line-height: 1.2;
            margin-bottom: 4px;
        }
        .hero-stat-number .unit {
            font-size: 14px;
            font-weight: 500;
            color: var(--accent);
            margin-left: 2px;
        }
        .hero-stat-label {
            font-size: 13px;
            color: var(--text-muted);
        }
        .hero-progress-wrap {
            background: rgba(30, 23, 18, 0.82);
            border: 1px solid var(--border-subtle);
            border-radius: var(--radius-card);
            padding: 18px 20px;
            backdrop-filter: blur(6px);
            -webkit-backdrop-filter: blur(6px);
        }
        .hero-progress-header {
            display: flex;
            align-items: center;
            justify-content: space-between;
            margin-bottom: 10px;
            flex-wrap: wrap;
            gap: 8px;
        }
        .hero-progress-title {
            font-size: 14px;
            font-weight: 600;
            color: var(--text-secondary);
        }
        .hero-progress-percent {
            font-size: 15px;
            font-weight: 700;
            color: var(--accent);
        }
        .progress {
            background: rgba(255, 255, 255, 0.08);
            border-radius: var(--radius-pill);
            height: 8px;
            overflow: hidden;
        }
        .progress-bar {
            background: linear-gradient(90deg, var(--primary), var(--accent));
            border-radius: var(--radius-pill);
            height: 100%;
            transition: width 1.2s ease;
        }

        /* Quick Filter */
        .quick-filter-section {
            padding-top: 24px;
            padding-bottom: 24px;
        }
        .filter-pill-wrap {
            display: flex;
            flex-wrap: wrap;
            gap: 10px;
            align-items: center;
        }
        .filter-pill {
            background: var(--bg-card);
            border: 1px solid var(--border-subtle);
            color: var(--text-secondary);
            border-radius: var(--radius-pill);
            padding: 9px 20px;
            font-size: 13.5px;
            font-weight: 500;
            letter-spacing: 0.02em;
            transition: all 0.3s ease;
            cursor: pointer;
            white-space: nowrap;
            text-decoration: none;
            display: inline-flex;
            align-items: center;
            gap: 6px;
        }
        .filter-pill:hover {
            border-color: var(--primary);
            color: var(--text-main);
            background: rgba(255, 78, 27, 0.08);
        }
        .filter-pill .pill-icon {
            color: var(--accent);
            font-size: 13px;
        }

        /* Service Matrix - asymmetric */
        .service-matrix-grid {
            display: grid;
            grid-template-columns: 1fr;
            gap: 18px;
        }
        @media (min-width: 768px) {
            .service-matrix-grid {
                grid-template-columns: 1.5fr 1fr 1fr;
                grid-template-rows: auto auto;
                gap: 20px;
            }
            .service-matrix-grid .service-card-large {
                grid-row: span 2;
            }
        }
        @media (min-width: 992px) {
            .service-matrix-grid {
                grid-template-columns: 1.6fr 1fr 1fr;
            }
        }
        .service-card {
            background: var(--bg-card);
            border: 1px solid var(--border-subtle);
            border-radius: var(--radius-card);
            padding: 26px 24px;
            transition: all 0.35s ease;
            position: relative;
            overflow: hidden;
            box-shadow: var(--shadow-card);
        }
        .service-card::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            width: 4px;
            height: 0;
            background: var(--primary);
            transition: height 0.4s ease;
            border-radius: 0 2px 2px 0;
        }
        .service-card:hover::before {
            height: 100%;
        }
        .service-card:hover {
            border-color: var(--primary);
            transform: translateY(-3px);
            box-shadow: var(--shadow-hover);
        }
        .service-card .service-icon {
            width: 48px;
            height: 48px;
            border-radius: 14px;
            background: var(--primary-soft);
            color: var(--primary);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 20px;
            margin-bottom: 16px;
        }
        .service-card h3 {
            font-size: 18px;
            font-weight: 700;
            margin-bottom: 10px;
            color: var(--text-main);
            line-height: 1.4;
        }
        .service-card p {
            font-size: 14.5px;
            color: var(--text-secondary);
            line-height: 1.8;
            margin-bottom: 16px;
        }
        .service-card .service-link {
            font-size: 13.5px;
            font-weight: 600;
            color: var(--accent);
            display: inline-flex;
            align-items: center;
            gap: 6px;
            transition: gap 0.3s ease;
        }
        .service-card .service-link:hover {
            gap: 10px;
            color: var(--highlight);
        }
        .service-card-large {
            background: linear-gradient(145deg, #1E1712 0%, #241A13 100%);
            border: 1px solid rgba(255, 78, 27, 0.25);
            padding: 32px 28px;
        }
        .service-card-large .service-icon {
            background: rgba(255, 78, 27, 0.22);
            width: 56px;
            height: 56px;
            font-size: 24px;
            border-radius: 16px;
        }
        .service-card-large h3 {
            font-size: 22px;
        }
        .service-card-large p {
            font-size: 15px;
            max-width: 420px;
        }

        /* Comparison */
        .comparison-grid {
            display: grid;
            grid-template-columns: 1fr;
            gap: 20px;
        }
        @media (min-width: 768px) {
            .comparison-grid {
                grid-template-columns: 1fr 1fr;
                gap: 24px;
            }
        }
        .comparison-card {
            background: var(--bg-card);
            border: 1px solid var(--border-subtle);
            border-radius: var(--radius-card);
            padding: 28px 24px;
            transition: all 0.3s ease;
            box-shadow: var(--shadow-card);
        }
        .comparison-card.highlight-card {
            border-color: var(--primary);
            background: linear-gradient(145deg, rgba(255, 78, 27, 0.08), var(--bg-card));
        }
        .comparison-card .comparison-header {
            display: flex;
            align-items: center;
            gap: 12px;
            margin-bottom: 18px;
        }
        .comparison-card .comparison-badge {
            width: 40px;
            height: 40px;
            border-radius: 12px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 18px;
            flex-shrink: 0;
        }
        .comparison-badge.primary-badge {
            background: var(--primary-soft);
            color: var(--primary);
        }
        .comparison-badge.muted-badge {
            background: rgba(255, 255, 255, 0.06);
            color: var(--text-muted);
        }
        .comparison-card h3 {
            font-size: 17px;
            font-weight: 700;
            margin-bottom: 0;
            color: var(--text-main);
        }
        .comparison-list {
            list-style: none;
            padding: 0;
            margin: 0;
        }
        .comparison-list li {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 12px 0;
            border-bottom: 1px solid var(--border-subtle);
            font-size: 14px;
            color: var(--text-secondary);
        }
        .comparison-list li:last-child {
            border-bottom: none;
        }
        .comparison-list .meter {
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .comparison-list .meter-bar {
            width: 80px;
            height: 6px;
            border-radius: 3px;
            background: rgba(255, 255, 255, 0.08);
            overflow: hidden;
        }
        .comparison-list .meter-bar .fill {
            height: 100%;
            border-radius: 3px;
            background: var(--primary);
        }
        .comparison-list .meter-bar .fill.muted-fill {
            background: rgba(255, 255, 255, 0.2);
        }
        .comparison-list .meter-value {
            font-weight: 700;
            font-size: 13px;
            color: var(--text-main);
            min-width: 32px;
            text-align: right;
        }
        .comparison-list .meter-value.accent-value {
            color: var(--accent);
        }

        /* Milestone Timeline */
        .timeline-wrap {
            position: relative;
            padding: 10px 0;
        }
        .timeline-wrap::before {
            content: '';
            position: absolute;
            top: 0;
            bottom: 0;
            left: 18px;
            width: 2px;
            background: rgba(255, 255, 255, 0.1);
            border-radius: 2px;
        }
        @media (min-width: 768px) {
            .timeline-wrap::before {
                left: 50%;
                transform: translateX(-50%);
            }
        }
        .timeline-item {
            position: relative;
            padding-left: 50px;
            margin-bottom: 28px;
        }
        .timeline-item:last-child {
            margin-bottom: 0;
        }
        @media (min-width: 768px) {
            .timeline-item {
                padding-left: 0;
                width: 50%;
                margin-bottom: 0;
                padding-bottom: 32px;
            }
            .timeline-item:nth-child(odd) {
                padding-right: 40px;
                text-align: right;
            }
            .timeline-item:nth-child(even) {
                margin-left: 50%;
                padding-left: 40px;
            }
            .timeline-item:last-child {
                padding-bottom: 0;
            }
        }
        .timeline-dot {
            position: absolute;
            top: 6px;
            left: 8px;
            width: 22px;
            height: 22px;
            border-radius: 50%;
            background: var(--primary);
            border: 4px solid var(--bg-base);
            box-shadow: 0 0 0 3px rgba(255, 78, 27, 0.35);
            z-index: 2;
        }
        @media (min-width: 768px) {
            .timeline-dot {
                left: auto;
                right: -11px;
            }
            .timeline-item:nth-child(even) .timeline-dot {
                left: -11px;
                right: auto;
            }
        }
        .timeline-content {
            background: var(--bg-card);
            border: 1px solid var(--border-subtle);
            border-radius: var(--radius-card);
            padding: 20px 22px;
            transition: all 0.3s ease;
        }
        .timeline-content:hover {
            border-color: var(--primary);
            box-shadow: var(--shadow-hover);
        }
        .timeline-content .timeline-phase {
            font-size: 12px;
            font-weight: 700;
            color: var(--accent);
            letter-spacing: 0.05em;
            text-transform: uppercase;
            margin-bottom: 6px;
        }
        .timeline-content h4 {
            font-size: 16px;
            font-weight: 700;
            color: var(--text-main);
            margin-bottom: 6px;
            line-height: 1.45;
        }
        .timeline-content p {
            font-size: 13.5px;
            color: var(--text-secondary);
            line-height: 1.75;
            margin-bottom: 0;
        }

        /* Content Calendar */
        .calendar-grid {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 12px;
        }
        @media (min-width: 768px) {
            .calendar-grid {
                grid-template-columns: repeat(4, 1fr);
                gap: 16px;
            }
        }
        @media (min-width: 992px) {
            .calendar-grid {
                grid-template-columns: repeat(7, 1fr);
            }
        }
        .calendar-day {
            background: var(--bg-card);
            border: 1px solid var(--border-subtle);
            border-radius: 12px;
            padding: 16px 14px;
            text-align: center;
            transition: all 0.3s ease;
            cursor: default;
        }
        .calendar-day:hover {
            border-color: var(--accent);
            transform: translateY(-2px);
            box-shadow: 0 8px 20px rgba(0, 0, 0, 0.25);
        }
        .calendar-day .day-name {
            font-size: 12px;
            font-weight: 600;
            color: var(--text-muted);
            margin-bottom: 6px;
            letter-spacing: 0.04em;
        }
        .calendar-day .day-count {
            font-size: 20px;
            font-weight: 700;
            color: var(--text-main);
            margin-bottom: 4px;
        }
        .calendar-day .day-tag {
            font-size: 11px;
            color: var(--accent);
            font-weight: 500;
        }
        .calendar-day.today {
            border-color: var(--primary);
            background: rgba(255, 78, 27, 0.08);
        }

        /* Topics Grid */
        .topics-grid {
            display: grid;
            grid-template-columns: 1fr;
            gap: 18px;
        }
        @media (min-width: 768px) {
            .topics-grid {
                grid-template-columns: 1fr 1fr;
                gap: 22px;
            }
        }
        @media (min-width: 992px) {
            .topics-grid {
                grid-template-columns: 1fr 1fr 1fr;
            }
        }
        .topic-card {
            background: var(--bg-card);
            border: 1px solid var(--border-subtle);
            border-radius: var(--radius-card);
            overflow: hidden;
            transition: all 0.35s ease;
            box-shadow: var(--shadow-card);
            display: flex;
            flex-direction: column;
        }
        .topic-card:hover {
            border-color: var(--primary);
            transform: translateY(-3px);
            box-shadow: var(--shadow-hover);
        }
        .topic-card .topic-img {
            aspect-ratio: 16/9;
            overflow: hidden;
            background: #1A130E;
        }
        .topic-card .topic-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.5s ease;
            filter: saturate(0.85);
        }
        .topic-card:hover .topic-img img {
            transform: scale(1.04);
            filter: saturate(1.1);
        }
        .topic-card .topic-body {
            padding: 20px 20px 22px;
            flex: 1;
            display: flex;
            flex-direction: column;
        }
        .topic-card .topic-tag {
            display: inline-block;
            background: var(--accent-soft);
            color: var(--accent);
            font-size: 12px;
            font-weight: 600;
            padding: 4px 12px;
            border-radius: var(--radius-pill);
            margin-bottom: 10px;
            width: fit-content;
        }
        .topic-card h3 {
            font-size: 17px;
            font-weight: 700;
            color: var(--text-main);
            margin-bottom: 8px;
            line-height: 1.45;
        }
        .topic-card p {
            font-size: 13.5px;
            color: var(--text-secondary);
            line-height: 1.75;
            margin-bottom: 14px;
            flex: 1;
        }
        .topic-card .topic-meta {
            font-size: 12px;
            color: var(--text-muted);
            display: flex;
            align-items: center;
            gap: 10px;
        }

        /* Ranking List */
        .ranking-list {
            background: var(--bg-card);
            border: 1px solid var(--border-subtle);
            border-radius: var(--radius-card);
            overflow: hidden;
            box-shadow: var(--shadow-card);
        }
        .ranking-item {
            display: flex;
            align-items: center;
            gap: 16px;
            padding: 16px 22px;
            border-bottom: 1px solid var(--border-subtle);
            transition: all 0.3s ease;
            flex-wrap: wrap;
        }
        .ranking-item:last-child {
            border-bottom: none;
        }
        .ranking-item:hover {
            background: rgba(255, 78, 27, 0.05);
        }
        .ranking-number {
            width: 36px;
            height: 36px;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 700;
            font-size: 15px;
            flex-shrink: 0;
            background: rgba(255, 255, 255, 0.06);
            color: var(--text-secondary);
        }
        .ranking-number.top-1 {
            background: var(--primary);
            color: #fff;
        }
        .ranking-number.top-2 {
            background: rgba(229, 162, 58, 0.25);
            color: var(--accent);
        }
        .ranking-number.top-3 {
            background: rgba(255, 122, 61, 0.2);
            color: var(--highlight);
        }
        .ranking-info {
            flex: 1;
            min-width: 0;
        }
        .ranking-info h4 {
            font-size: 15px;
            font-weight: 600;
            color: var(--text-main);
            margin-bottom: 4px;
            line-height: 1.5;
            white-space: nowrap;
            overflow: hidden;
            text-overflow: ellipsis;
        }
        .ranking-info .ranking-tags {
            display: flex;
            gap: 6px;
            flex-wrap: wrap;
        }
        .ranking-info .ranking-tag {
            font-size: 11.5px;
            color: var(--text-muted);
            background: rgba(255, 255, 255, 0.05);
            padding: 2px 10px;
            border-radius: var(--radius-pill);
        }
        .ranking-heat {
            display: flex;
            align-items: center;
            gap: 6px;
            font-size: 13px;
            color: var(--text-secondary);
            white-space: nowrap;
        }
        .ranking-heat .heat-icon {
            color: var(--primary);
            font-size: 14px;
        }
        .ranking-status {
            font-size: 12px;
            font-weight: 600;
            padding: 4px 12px;
            border-radius: var(--radius-pill);
            white-space: nowrap;
        }
        .ranking-status.updated {
            background: rgba(229, 162, 58, 0.14);
            color: var(--accent);
        }
        .ranking-status.hot {
            background: rgba(255, 78, 27, 0.14);
            color: var(--primary);
        }

        /* Insights */
        .insights-grid {
            display: grid;
            grid-template-columns: 1fr;
            gap: 18px;
        }
        @media (min-width: 768px) {
            .insights-grid {
                grid-template-columns: 1.4fr 1fr;
                gap: 22px;
            }
        }
        .insight-main {
            background: var(--bg-card);
            border: 1px solid rgba(255, 78, 27, 0.2);
            border-radius: var(--radius-card);
            padding: 28px 24px;
            box-shadow: var(--shadow-card);
            transition: all 0.3s ease;
        }
        .insight-main:hover {
            border-color: var(--primary);
            box-shadow: var(--shadow-hover);
        }
        .insight-main .insight-label {
            font-size: 12px;
            font-weight: 700;
            color: var(--accent);
            letter-spacing: 0.05em;
            margin-bottom: 10px;
        }
        .insight-main h3 {
            font-size: 19px;
            font-weight: 700;
            color: var(--text-main);
            margin-bottom: 10px;
            line-height: 1.5;
        }
        .insight-main p {
            font-size: 14.5px;
            color: var(--text-secondary);
            line-height: 1.85;
            margin-bottom: 0;
        }
        .insight-side {
            display: grid;
            gap: 14px;
        }
        .insight-side-card {
            background: var(--bg-card);
            border: 1px solid var(--border-subtle);
            border-radius: 12px;
            padding: 18px 20px;
            transition: all 0.3s ease;
        }
        .insight-side-card:hover {
            border-color: var(--accent);
            transform: translateX(3px);
        }
        .insight-side-card h4 {
            font-size: 14.5px;
            font-weight: 700;
            color: var(--text-main);
            margin-bottom: 6px;
            line-height: 1.45;
        }
        .insight-side-card p {
            font-size: 13px;
            color: var(--text-secondary);
            line-height: 1.7;
            margin-bottom: 0;
        }

        /* News List */
        .news-list {
            display: grid;
            grid-template-columns: 1fr;
            gap: 16px;
        }
        @media (min-width: 768px) {
            .news-list {
                grid-template-columns: 1fr 1fr;
                gap: 20px;
            }
        }
        .news-card {
            background: var(--bg-card);
            border: 1px solid var(--border-subtle);
            border-radius: var(--radius-card);
            padding: 22px 22px;
            transition: all 0.3s ease;
            box-shadow: var(--shadow-card);
            display: flex;
            flex-direction: column;
        }
        .news-card:hover {
            border-color: var(--primary);
            transform: translateY(-2px);
        }
        .news-card .news-meta {
            display: flex;
            align-items: center;
            gap: 10px;
            margin-bottom: 10px;
            flex-wrap: wrap;
        }
        .news-card .news-date {
            font-size: 12px;
            color: var(--text-muted);
            background: rgba(255, 255, 255, 0.05);
            padding: 3px 10px;
            border-radius: var(--radius-pill);
        }
        .news-card .news-tag {
            font-size: 12px;
            color: var(--accent);
            background: var(--accent-soft);
            padding: 3px 10px;
            border-radius: var(--radius-pill);
        }
        .news-card h3 {
            font-size: 16px;
            font-weight: 700;
            color: var(--text-main);
            margin-bottom: 8px;
            line-height: 1.5;
        }
        .news-card p {
            font-size: 13.5px;
            color: var(--text-secondary);
            line-height: 1.75;
            margin-bottom: 12px;
            flex: 1;
        }
        .news-card .news-link {
            font-size: 13px;
            font-weight: 600;
            color: var(--accent);
            display: inline-flex;
            align-items: center;
            gap: 4px;
        }

        /* Media Selection */
        .media-scroll {
            display: flex;
            gap: 16px;
            overflow-x: auto;
            padding: 8px 2px 16px;
            scroll-snap-type: x mandatory;
            -webkit-overflow-scrolling: touch;
            scrollbar-width: thin;
            scrollbar-color: rgba(255, 255, 255, 0.15) transparent;
        }
        .media-scroll::-webkit-scrollbar {
            height: 5px;
        }
        .media-scroll::-webkit-scrollbar-track {
            background: transparent;
        }
        .media-scroll::-webkit-scrollbar-thumb {
            background: rgba(255, 255, 255, 0.15);
            border-radius: 10px;
        }
        .media-card {
            min-width: 240px;
            max-width: 260px;
            background: var(--bg-card);
            border: 1px solid var(--border-subtle);
            border-radius: var(--radius-card);
            overflow: hidden;
            flex-shrink: 0;
            scroll-snap-align: start;
            transition: all 0.3s ease;
            box-shadow: var(--shadow-card);
        }
        .media-card:hover {
            border-color: var(--accent);
            transform: translateY(-3px);
            box-shadow: 0 12px 28px rgba(229, 162, 58, 0.18);
        }
        .media-card .media-img {
            aspect-ratio: 16/9;
            overflow: hidden;
            background: #1A130E;
        }
        .media-card .media-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.4s ease;
        }
        .media-card:hover .media-img img {
            transform: scale(1.05);
        }
        .media-card .media-body {
            padding: 16px 18px;
        }
        .media-card .media-body h4 {
            font-size: 14.5px;
            font-weight: 700;
            color: var(--text-main);
            margin-bottom: 6px;
            line-height: 1.4;
        }
        .media-card .media-body p {
            font-size: 12.5px;
            color: var(--text-muted);
            margin-bottom: 0;
            line-height: 1.6;
        }

        /* Data Analysis */
        .data-grid {
            display: grid;
            grid-template-columns: 1fr;
            gap: 18px;
        }
        @media (min-width: 768px) {
            .data-grid {
                grid-template-columns: 1fr 1fr;
                gap: 22px;
            }
        }
        @media (min-width: 992px) {
            .data-grid {
                grid-template-columns: 1fr 1fr 1fr;
            }
        }
        .data-card {
            background: var(--bg-card);
            border: 1px solid var(--border-subtle);
            border-radius: var(--radius-card);
            padding: 24px 22px;
            transition: all 0.3s ease;
            box-shadow: var(--shadow-card);
        }
        .data-card:hover {
            border-color: var(--primary);
            transform: translateY(-2px);
        }
        .data-card .data-icon {
            font-size: 22px;
            color: var(--primary);
            margin-bottom: 12px;
        }
        .data-card h4 {
            font-size: 15px;
            font-weight: 700;
            color: var(--text-main);
            margin-bottom: 8px;
        }
        .data-card .data-value {
            font-size: 28px;
            font-weight: 800;
            color: var(--text-main);
            line-height: 1.2;
            margin-bottom: 6px;
        }
        .data-card .data-value .data-unit {
            font-size: 14px;
            font-weight: 500;
            color: var(--accent);
        }
        .data-card .data-note {
            font-size: 13px;
            color: var(--text-secondary);
            line-height: 1.7;
        }
        .data-card .data-progress {
            margin-top: 12px;
        }
        .data-card .data-progress .progress {
            height: 6px;
            background: rgba(255, 255, 255, 0.08);
            border-radius: 3px;
            overflow: hidden;
        }
        .data-card .data-progress .progress-bar {
            background: var(--primary);
            border-radius: 3px;
        }

        /* Platform Assurance */
        .assurance-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 14px;
        }
        @media (min-width: 768px) {
            .assurance-grid {
                grid-template-columns: repeat(4, 1fr);
                gap: 18px;
            }
        }
        .assurance-card {
            background: var(--bg-card);
            border: 1px solid var(--border-subtle);
            border-radius: var(--radius-card);
            padding: 22px 18px;
            text-align: center;
            transition: all 0.3s ease;
        }
        .assurance-card:hover {
            border-color: var(--accent);
            transform: translateY(-2px);
            box-shadow: var(--shadow-hover);
        }
        .assurance-card .assurance-icon {
            width: 48px;
            height: 48px;
            border-radius: 50%;
            background: var(--accent-soft);
            color: var(--accent);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 20px;
            margin: 0 auto 12px;
        }
        .assurance-card h4 {
            font-size: 14.5px;
            font-weight: 700;
            color: var(--text-main);
            margin-bottom: 6px;
        }
        .assurance-card p {
            font-size: 12.5px;
            color: var(--text-muted);
            line-height: 1.65;
            margin-bottom: 0;
        }

        /* Quick Q&A */
        .qa-grid {
            display: grid;
            grid-template-columns: 1fr;
            gap: 14px;
        }
        @media (min-width: 768px) {
            .qa-grid {
                grid-template-columns: 1fr 1fr;
                gap: 18px;
            }
        }
        .qa-card {
            background: var(--bg-card);
            border: 1px solid var(--border-subtle);
            border-radius: 12px;
            padding: 18px 20px;
            transition: all 0.3s ease;
        }
        .qa-card:hover {
            border-color: var(--primary);
            transform: translateX(3px);
        }
        .qa-card .qa-q {
            font-size: 14.5px;
            font-weight: 700;
            color: var(--text-main);
            margin-bottom: 8px;
            display: flex;
            align-items: flex-start;
            gap: 8px;
            line-height: 1.5;
        }
        .qa-card .qa-q .qa-icon {
            color: var(--accent);
            flex-shrink: 0;
            font-size: 14px;
            margin-top: 3px;
        }
        .qa-card .qa-a {
            font-size: 13.5px;
            color: var(--text-secondary);
            line-height: 1.8;
            margin-bottom: 0;
            padding-left: 22px;
        }

        /* FAQ Accordion */
        .faq-wrap {
            max-width: 800px;
            margin: 0 auto;
        }
        .faq-accordion .accordion-item {
            background: var(--bg-card);
            border: 1px solid var(--border-subtle);
            border-radius: 12px !important;
            margin-bottom: 12px;
            overflow: hidden;
        }
        .faq-accordion .accordion-button {
            background: var(--bg-card);
            color: var(--text-main);
            font-size: 15px;
            font-weight: 600;
            padding: 18px 22px;
            border: none;
            border-radius: 12px !important;
            transition: all 0.3s ease;
        }
        .faq-accordion .accordion-button:not(.collapsed) {
            background: rgba(255, 78, 27, 0.06);
            color: var(--text-main);
            box-shadow: none;
            border-bottom: 1px solid var(--border-subtle);
        }
        .faq-accordion .accordion-button:focus {
            box-shadow: none;
            outline: 2px solid var(--primary);
            outline-offset: -2px;
        }
        .faq-accordion .accordion-button::after {
            filter: invert(1) brightness(0.8);
        }
        .faq-accordion .accordion-body {
            background: var(--bg-card);
            color: var(--text-secondary);
            font-size: 14px;
            line-height: 1.85;
            padding: 18px 22px;
        }
        .faq-accordion .accordion-body p {
            margin-bottom: 0;
        }
        .faq-accordion .faq-number {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 26px;
            height: 26px;
            border-radius: 50%;
            background: var(--primary-soft);
            color: var(--primary);
            font-size: 13px;
            font-weight: 700;
            margin-right: 10px;
            flex-shrink: 0;
        }

        /* Notice / Compliance */
        .notice-band {
            background: rgba(229, 162, 58, 0.08);
            border: 1px solid rgba(229, 162, 58, 0.22);
            border-radius: var(--radius-card);
            padding: 20px 24px;
            display: flex;
            align-items: flex-start;
            gap: 14px;
            transition: all 0.3s ease;
        }
        .notice-band .notice-icon {
            color: var(--accent);
            font-size: 20px;
            flex-shrink: 0;
            margin-top: 2px;
        }
        .notice-band p {
            font-size: 14px;
            color: var(--text-secondary);
            line-height: 1.8;
            margin-bottom: 0;
        }
        .notice-band strong {
            color: var(--accent);
        }

        /* Conversion Form */
        .conversion-section {
            background: linear-gradient(145deg, #1A1410 0%, #1E1712 50%, #15100C 100%);
            border-top: 1px solid var(--border-subtle);
            border-bottom: 1px solid var(--border-subtle);
        }
        .conversion-grid {
            display: grid;
            grid-template-columns: 1fr;
            gap: 28px;
            align-items: center;
        }
        @media (min-width: 992px) {
            .conversion-grid {
                grid-template-columns: 1.2fr 1fr;
                gap: 48px;
            }
        }
        .conversion-copy h2 {
            font-size: 24px;
            font-weight: 700;
            color: var(--text-main);
            margin-bottom: 12px;
            line-height: 1.4;
        }
        @media (min-width: 768px) {
            .conversion-copy h2 {
                font-size: 28px;
            }
        }
        .conversion-copy p {
            font-size: 15px;
            color: var(--text-secondary);
            line-height: 1.85;
            margin-bottom: 0;
            max-width: 520px;
        }
        .conversion-form-card {
            background: var(--bg-card);
            border: 1px solid var(--border-subtle);
            border-radius: var(--radius-card);
            padding: 28px 24px;
            box-shadow: var(--shadow-card);
        }
        .conversion-form-card .form-label {
            font-size: 14px;
            font-weight: 600;
            color: var(--text-main);
            margin-bottom: 8px;
        }
        .conversion-form-card .form-control {
            background: var(--bg-input);
            border: 1px solid rgba(255, 255, 255, 0.12);
            border-radius: 12px;
            color: var(--text-main);
            padding: 12px 16px;
            font-size: 14.5px;
            transition: all 0.3s ease;
        }
        .conversion-form-card .form-control::placeholder {
            color: rgba(201, 190, 181, 0.5);
        }
        .conversion-form-card .form-control:focus {
            border-color: var(--primary);
            box-shadow: 0 0 0 3px rgba(255, 78, 27, 0.18);
            background: var(--bg-input);
            color: var(--text-main);
        }
        .conversion-form-card .form-check-input {
            background-color: var(--bg-input);
            border-color: rgba(255, 255, 255, 0.2);
            width: 18px;
            height: 18px;
            cursor: pointer;
        }
        .conversion-form-card .form-check-input:checked {
            background-color: var(--primary);
            border-color: var(--primary);
        }
        .conversion-form-card .form-check-input:focus {
            box-shadow: 0 0 0 3px rgba(255, 78, 27, 0.18);
            border-color: var(--primary);
        }
        .conversion-form-card .form-check-label {
            font-size: 13.5px;
            color: var(--text-secondary);
        }

        /* Footer */
        .site-footer {
            background: #0F0B08;
            border-top: 1px solid var(--border-subtle);
            padding: 48px 0 28px;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 1fr;
            gap: 32px;
            margin-bottom: 32px;
        }
        @media (min-width: 768px) {
            .footer-grid {
                grid-template-columns: 1.6fr 1fr 1fr;
                gap: 40px;
            }
        }
        .footer-brand {
            font-size: 18px;
            font-weight: 700;
            color: var(--text-main);
            display: flex;
            align-items: center;
            gap: 10px;
            margin-bottom: 12px;
        }
        .footer-brand .brand-icon {
            width: 34px;
            height: 34px;
            border-radius: 50%;
            background: var(--primary);
            display: inline-flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-size: 15px;
        }
        .footer-brand-desc {
            font-size: 13.5px;
            color: var(--text-muted);
            line-height: 1.75;
            max-width: 360px;
        }
        .footer-col h5 {
            font-size: 14px;
            font-weight: 700;
            color: var(--text-main);
            margin-bottom: 16px;
            letter-spacing: 0.03em;
        }
        .footer-col ul {
            list-style: none;
            padding: 0;
            margin: 0;
        }
        .footer-col ul li {
            margin-bottom: 10px;
        }
        .footer-col ul li a {
            font-size: 13.5px;
            color: var(--text-muted);
            transition: color 0.25s ease;
        }
        .footer-col ul li a:hover {
            color: var(--accent);
        }
        .footer-bottom {
            border-top: 1px solid var(--border-subtle);
            padding-top: 22px;
            display: flex;
            flex-wrap: wrap;
            gap: 12px;
            align-items: center;
            justify-content: space-between;
            font-size: 13px;
            color: var(--text-muted);
        }
        .footer-bottom .footer-copyright {
            line-height: 1.7;
        }
        .footer-bottom .footer-compliance {
            font-size: 12.5px;
            color: var(--text-muted);
            line-height: 1.7;
        }

        /* Responsive tweaks */
        @media (max-width: 575px) {
            .hero-title {
                font-size: 26px;
            }
            .hero-desc {
                font-size: 14.5px;
            }
            .hero-stats-row {
                grid-template-columns: 1fr 1fr;
                gap: 10px;
            }
            .hero-stat-card {
                padding: 14px 12px;
            }
            .hero-stat-number {
                font-size: 20px;
            }
            .section-heading h2 {
                font-size: 21px;
            }
            .service-card,
            .service-card-large {
                padding: 20px 18px;
            }
            .calendar-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 8px;
            }
            .ranking-item {
                padding: 12px 14px;
                gap: 10px;
            }
            .ranking-info h4 {
                font-size: 13.5px;
            }
        }
        @media (min-width: 576px) and (max-width: 767px) {
            .hero-stats-row {
                grid-template-columns: repeat(2, 1fr);
            }
        }

/* roulang page: index */
:root {
            --bg-primary: #16161A;
            --bg-secondary: #202026;
            --bg-tertiary: #25242C;
            --accent-primary: #D63447;
            --accent-primary-hover: #E8495C;
            --accent-secondary: #D4A24C;
            --accent-secondary-hover: #E5B865;
            --text-primary: #F5F2EC;
            --text-secondary: #A8A5A3;
            --text-muted: #6B6A72;
            --border-low: #3A3942;
            --border-mid: #4A4954;
            --shadow-card: 0 4px 20px rgba(0, 0, 0, 0.3);
            --shadow-card-hover: 0 10px 32px rgba(0, 0, 0, 0.45);
            --radius-card: 14px;
            --radius-btn: 10px;
            --radius-pill: 999px;
            --spacing-section: 80px;
            --spacing-section-mobile: 50px;
            --font-stack: system-ui, -apple-system, "PingFang SC", "Microsoft YaHei", "Noto Sans CJK SC", sans-serif;
            --transition-base: all 0.25s ease;
        }

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

        html {
            scroll-behavior: smooth;
            font-size: 16px;
        }

        body {
            font-family: var(--font-stack);
            background-color: var(--bg-primary);
            color: var(--text-primary);
            line-height: 1.85;
            margin: 0;
            padding: 0;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
            overflow-x: hidden;
        }

        a {
            text-decoration: none;
            color: inherit;
            transition: var(--transition-base);
        }

        a:hover {
            color: var(--accent-primary-hover);
        }

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

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

        button:focus-visible,
        a:focus-visible,
        input:focus-visible,
        select:focus-visible,
        textarea:focus-visible {
            outline: 2px solid var(--accent-secondary);
            outline-offset: 2px;
        }

        .container-custom {
            max-width: 1200px;
            margin: 0 auto;
            padding-left: 20px;
            padding-right: 20px;
        }

        /* ===== Navigation ===== */
        .site-header {
            position: fixed;
            top: 16px;
            left: 50%;
            transform: translateX(-50%);
            z-index: 1050;
            width: calc(100% - 32px);
            max-width: 1200px;
            transition: var(--transition-base);
        }

        .site-header.scrolled {
            top: 8px;
        }

        .nav-capsule {
            background: rgba(22, 22, 26, 0.82);
            backdrop-filter: blur(18px);
            -webkit-backdrop-filter: blur(18px);
            border: 1px solid rgba(58, 57, 66, 0.7);
            border-radius: 999px;
            padding: 8px 20px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            box-shadow: 0 6px 30px rgba(0, 0, 0, 0.4);
            transition: var(--transition-base);
        }

        .site-header.scrolled .nav-capsule {
            background: rgba(22, 22, 26, 0.92);
            box-shadow: 0 8px 36px rgba(0, 0, 0, 0.55);
        }

        .nav-logo {
            font-weight: 700;
            font-size: 1.05rem;
            color: var(--text-primary);
            white-space: nowrap;
            letter-spacing: 0.01em;
            transition: var(--transition-base);
        }

        .nav-logo:hover {
            color: var(--accent-secondary-hover);
        }

        .nav-logo .logo-highlight {
            color: var(--accent-primary);
        }

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

        .nav-menu li a {
            display: block;
            padding: 8px 16px;
            border-radius: var(--radius-pill);
            font-size: 0.92rem;
            font-weight: 500;
            color: var(--text-secondary);
            transition: var(--transition-base);
            white-space: nowrap;
        }

        .nav-menu li a:hover {
            color: var(--text-primary);
            background: rgba(214, 52, 71, 0.12);
        }

        .nav-menu li a.active {
            color: var(--text-primary);
            background: rgba(214, 52, 71, 0.28);
            border: 1px solid rgba(214, 52, 71, 0.35);
        }

        .nav-toggle {
            display: none;
            background: transparent;
            border: none;
            color: var(--text-primary);
            font-size: 1.4rem;
            cursor: pointer;
            padding: 6px 10px;
            border-radius: 8px;
            transition: var(--transition-base);
        }

        .nav-toggle:hover {
            background: rgba(255, 255, 255, 0.08);
        }

        @media (max-width: 768px) {
            .nav-menu {
                display: none;
                position: absolute;
                top: calc(100% + 10px);
                left: 0;
                right: 0;
                flex-direction: column;
                background: rgba(22, 22, 26, 0.96);
                border: 1px solid var(--border-low);
                border-radius: 16px;
                padding: 12px 8px;
                box-shadow: 0 12px 40px rgba(0, 0, 0, 0.5);
                gap: 4px;
            }

            .nav-menu.open {
                display: flex;
            }

            .nav-menu li a {
                padding: 10px 16px;
                text-align: center;
            }

            .nav-toggle {
                display: block;
            }
        }

        /* ===== Hero ===== */
        .hero-section {
            min-height: 100vh;
            display: flex;
            align-items: center;
            padding: 120px 0 80px;
            position: relative;
            background-image: url('/assets/images/82730399aea30239.webp');
            background-size: cover;
            background-position: center;
            background-repeat: no-repeat;
        }

        .hero-section::before {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(180deg, rgba(22, 22, 26, 0.72) 0%, rgba(22, 22, 26, 0.82) 55%, rgba(22, 22, 26, 0.92) 100%);
            z-index: 1;
        }

        .hero-section .container-custom {
            position: relative;
            z-index: 2;
        }

        .hero-content {
            max-width: 760px;
        }

        .hero-badge {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: rgba(214, 52, 71, 0.16);
            border: 1px solid rgba(214, 52, 71, 0.35);
            color: var(--accent-secondary);
            padding: 6px 18px;
            border-radius: var(--radius-pill);
            font-size: 0.85rem;
            font-weight: 500;
            margin-bottom: 20px;
            letter-spacing: 0.02em;
        }

        .hero-badge i {
            color: var(--accent-primary);
            font-size: 0.8rem;
        }

        .hero-title {
            font-size: 3rem;
            font-weight: 800;
            line-height: 1.15;
            letter-spacing: -0.01em;
            color: var(--text-primary);
            margin-bottom: 22px;
        }

        .hero-title .hero-accent {
            color: var(--accent-primary);
        }

        .hero-description {
            font-size: 1.05rem;
            color: var(--text-secondary);
            line-height: 1.85;
            margin-bottom: 28px;
            max-width: 680px;
        }

        .hero-progress-wrap {
            margin-bottom: 30px;
            max-width: 560px;
        }

        .hero-progress-label {
            display: flex;
            justify-content: space-between;
            align-items: center;
            font-size: 0.9rem;
            color: var(--text-secondary);
            margin-bottom: 8px;
        }

        .hero-progress-label .progress-value {
            color: var(--accent-secondary);
            font-weight: 600;
        }

        .hero-progress {
            height: 8px;
            background: rgba(255, 255, 255, 0.1);
            border-radius: var(--radius-pill);
            overflow: hidden;
        }

        .hero-progress .progress-bar {
            background: linear-gradient(90deg, var(--accent-primary) 0%, var(--accent-secondary) 100%);
            border-radius: var(--radius-pill);
            height: 100%;
            width: 68%;
            transition: width 0.8s ease;
        }

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

        .btn-hero-primary {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            background: var(--accent-primary);
            color: #fff;
            border: none;
            padding: 14px 32px;
            border-radius: var(--radius-btn);
            font-size: 1rem;
            font-weight: 600;
            cursor: pointer;
            transition: var(--transition-base);
            white-space: nowrap;
        }

        .btn-hero-primary:hover {
            background: var(--accent-primary-hover);
            color: #fff;
            transform: translateY(-1px);
            box-shadow: 0 8px 24px rgba(214, 52, 71, 0.35);
        }

        .btn-hero-primary:active {
            transform: translateY(0);
            box-shadow: 0 4px 12px rgba(214, 52, 71, 0.3);
        }

        .btn-hero-secondary {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            background: transparent;
            color: var(--text-primary);
            border: 1px solid var(--accent-secondary);
            padding: 14px 28px;
            border-radius: var(--radius-btn);
            font-size: 1rem;
            font-weight: 500;
            cursor: pointer;
            transition: var(--transition-base);
            white-space: nowrap;
        }

        .btn-hero-secondary:hover {
            background: rgba(212, 162, 76, 0.12);
            color: var(--accent-secondary-hover);
            transform: translateY(-1px);
        }

        .btn-hero-secondary:active {
            transform: translateY(0);
        }

        .hero-filter-bar {
            background: rgba(32, 32, 38, 0.75);
            backdrop-filter: blur(14px);
            border: 1px solid var(--border-low);
            border-radius: 16px;
            padding: 18px 22px;
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            gap: 14px;
            max-width: 720px;
        }

        .hero-filter-bar .filter-input {
            flex: 1 1 200px;
            display: flex;
            align-items: center;
            gap: 10px;
            background: rgba(22, 22, 26, 0.8);
            border: 1px solid var(--border-low);
            border-radius: 10px;
            padding: 10px 16px;
        }

        .hero-filter-bar .filter-input i {
            color: var(--text-muted);
            font-size: 0.9rem;
        }

        .hero-filter-bar .filter-input input {
            background: transparent;
            border: none;
            outline: none;
            color: var(--text-primary);
            font-size: 0.95rem;
            width: 100%;
        }

        .hero-filter-bar .filter-input input::placeholder {
            color: var(--text-muted);
        }

        .hero-filter-bar .filter-select {
            flex: 0 1 140px;
            background: rgba(22, 22, 26, 0.8);
            border: 1px solid var(--border-low);
            border-radius: 10px;
            color: var(--text-secondary);
            padding: 10px 14px;
            font-size: 0.9rem;
            cursor: pointer;
            outline: none;
            transition: var(--transition-base);
        }

        .hero-filter-bar .filter-select:focus {
            border-color: var(--accent-primary);
        }

        .hero-filter-bar .filter-select option {
            background: var(--bg-secondary);
            color: var(--text-primary);
        }

        @media (max-width: 992px) {
            .hero-title {
                font-size: 2.4rem;
            }
        }

        @media (max-width: 768px) {
            .hero-section {
                padding: 110px 0 60px;
                min-height: auto;
            }
            .hero-title {
                font-size: 1.8rem;
                line-height: 1.25;
            }
            .hero-description {
                font-size: 0.95rem;
            }
            .hero-actions {
                flex-direction: column;
            }
            .hero-actions .btn-hero-primary,
            .hero-actions .btn-hero-secondary {
                width: 100%;
                justify-content: center;
            }
            .hero-filter-bar {
                flex-direction: column;
                align-items: stretch;
                padding: 14px 16px;
            }
            .hero-filter-bar .filter-select {
                flex: 1 1 auto;
                width: 100%;
            }
        }

        /* ===== Section Base ===== */
        .section-block {
            padding: var(--spacing-section) 20px;
            position: relative;
        }

        .section-block.bg-dark {
            background: var(--bg-primary);
        }

        .section-block.bg-alt {
            background: var(--bg-secondary);
        }

        .section-block.bg-tertiary {
            background: var(--bg-tertiary);
        }

        .section-header {
            margin-bottom: 48px;
        }

        .section-title {
            font-size: 1.85rem;
            font-weight: 700;
            line-height: 1.35;
            color: var(--text-primary);
            margin-bottom: 14px;
            letter-spacing: 0.01em;
        }

        .section-title .title-highlight {
            color: var(--accent-primary);
        }

        .section-subtitle {
            font-size: 1rem;
            color: var(--text-secondary);
            line-height: 1.85;
            max-width: 720px;
            margin-bottom: 20px;
        }

        .section-separator {
            height: 1px;
            background: linear-gradient(90deg, transparent 0%, var(--border-low) 30%, var(--border-low) 70%, transparent 100%);
            margin: 0;
            border: none;
        }

        @media (max-width: 768px) {
            .section-block {
                padding: var(--spacing-section-mobile) 16px;
            }
            .section-title {
                font-size: 1.5rem;
            }
            .section-header {
                margin-bottom: 32px;
            }
        }

        /* ===== Metrics Board ===== */
        .metrics-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
        }

        .metric-card {
            background: rgba(37, 36, 44, 0.65);
            border: 1px solid var(--border-low);
            border-radius: var(--radius-card);
            padding: 28px 22px;
            text-align: center;
            transition: var(--transition-base);
        }

        .metric-card:hover {
            border-color: rgba(214, 52, 71, 0.4);
            background: rgba(37, 36, 44, 0.85);
            transform: translateY(-2px);
        }

        .metric-number {
            font-size: 2.4rem;
            font-weight: 800;
            color: var(--accent-primary);
            line-height: 1.2;
            margin-bottom: 8px;
            letter-spacing: -0.01em;
        }

        .metric-number .metric-unit {
            font-size: 1rem;
            font-weight: 500;
            color: var(--text-secondary);
            margin-left: 2px;
        }

        .metric-name {
            font-size: 0.95rem;
            color: var(--text-secondary);
            font-weight: 500;
        }

        @media (max-width: 992px) {
            .metrics-grid {
                grid-template-columns: repeat(2, 1fr);
            }
        }

        @media (max-width: 520px) {
            .metrics-grid {
                grid-template-columns: 1fr;
                gap: 14px;
            }
            .metric-card {
                padding: 20px 16px;
            }
            .metric-number {
                font-size: 1.8rem;
            }
        }

        /* ===== Featured Topics ===== */
        .topics-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }

        .topic-card {
            position: relative;
            border-radius: var(--radius-card);
            overflow: hidden;
            min-height: 320px;
            background: var(--bg-tertiary);
            border: 1px solid var(--border-low);
            transition: var(--transition-base);
            cursor: pointer;
        }

        .topic-card:hover {
            border-color: rgba(214, 52, 71, 0.45);
            transform: translateY(-3px);
            box-shadow: var(--shadow-card-hover);
        }

        .topic-card .topic-image {
            position: absolute;
            inset: 0;
            background-size: cover;
            background-position: center;
            transition: transform 0.6s ease;
        }

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

        .topic-card .topic-overlay {
            position: absolute;
            inset: 0;
            background: linear-gradient(180deg, rgba(22, 22, 26, 0.2) 0%, rgba(22, 22, 26, 0.7) 55%, rgba(22, 22, 26, 0.92) 100%);
            z-index: 1;
        }

        .topic-card .topic-content {
            position: relative;
            z-index: 2;
            padding: 24px 22px;
            display: flex;
            flex-direction: column;
            justify-content: flex-end;
            height: 100%;
            min-height: 320px;
        }

        .topic-card .topic-tag {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            background: rgba(214, 52, 71, 0.2);
            border: 1px solid rgba(214, 52, 71, 0.45);
            color: var(--accent-secondary);
            padding: 4px 14px;
            border-radius: var(--radius-pill);
            font-size: 0.8rem;
            font-weight: 500;
            margin-bottom: 14px;
            align-self: flex-start;
        }

        .topic-card .topic-title {
            font-size: 1.3rem;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 8px;
            line-height: 1.4;
        }

        .topic-card .topic-desc {
            font-size: 0.92rem;
            color: var(--text-secondary);
            line-height: 1.7;
            margin-bottom: 16px;
        }

        .topic-card .topic-link {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            color: var(--accent-secondary);
            font-weight: 500;
            font-size: 0.9rem;
            transition: var(--transition-base);
        }

        .topic-card .topic-link:hover {
            color: var(--accent-secondary-hover);
            gap: 12px;
        }

        @media (max-width: 992px) {
            .topics-grid {
                grid-template-columns: repeat(2, 1fr);
            }
        }

        @media (max-width: 576px) {
            .topics-grid {
                grid-template-columns: 1fr;
            }
            .topic-card {
                min-height: 280px;
            }
            .topic-card .topic-content {
                min-height: 280px;
            }
        }

        /* ===== Service Matrix ===== */
        .services-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 22px;
        }

        .service-card {
            background: var(--bg-secondary);
            border: 1px solid var(--border-low);
            border-radius: var(--radius-card);
            padding: 28px 24px;
            transition: var(--transition-base);
            display: flex;
            flex-direction: column;
            gap: 12px;
        }

        .service-card:hover {
            border-color: var(--accent-primary);
            transform: translateY(-4px);
            box-shadow: var(--shadow-card-hover);
            background: var(--bg-tertiary);
        }

        .service-card .service-icon {
            width: 52px;
            height: 52px;
            display: flex;
            align-items: center;
            justify-content: center;
            background: rgba(214, 52, 71, 0.12);
            border: 1px solid rgba(214, 52, 71, 0.3);
            border-radius: 12px;
            color: var(--accent-primary);
            font-size: 1.3rem;
            margin-bottom: 6px;
            transition: var(--transition-base);
        }

        .service-card:hover .service-icon {
            background: rgba(214, 52, 71, 0.22);
            border-color: rgba(214, 52, 71, 0.5);
        }

        .service-card .service-title {
            font-size: 1.15rem;
            font-weight: 650;
            color: var(--text-primary);
            line-height: 1.4;
        }

        .service-card .service-desc {
            font-size: 0.92rem;
            color: var(--text-secondary);
            line-height: 1.75;
        }

        @media (max-width: 992px) {
            .services-grid {
                grid-template-columns: repeat(2, 1fr);
            }
        }

        @media (max-width: 576px) {
            .services-grid {
                grid-template-columns: 1fr;
            }
            .service-card {
                padding: 22px 18px;
            }
        }

        /* ===== Hot Ranking ===== */
        .ranking-list {
            display: flex;
            flex-direction: column;
            gap: 12px;
        }

        .ranking-item {
            display: flex;
            align-items: center;
            gap: 16px;
            background: var(--bg-secondary);
            border: 1px solid var(--border-low);
            border-radius: var(--radius-card);
            padding: 16px 20px;
            transition: var(--transition-base);
        }

        .ranking-item:hover {
            border-color: rgba(214, 52, 71, 0.4);
            background: var(--bg-tertiary);
            transform: translateX(4px);
        }

        .ranking-item .rank-badge {
            width: 38px;
            height: 38px;
            min-width: 38px;
            display: flex;
            align-items: center;
            justify-content: center;
            border-radius: 50%;
            font-weight: 700;
            font-size: 1rem;
            color: var(--text-primary);
            background: var(--bg-tertiary);
            border: 1px solid var(--border-mid);
        }

        .ranking-item .rank-badge.rank-1 {
            background: var(--accent-secondary);
            color: #1a1a1a;
            border-color: var(--accent-secondary);
        }

        .ranking-item .rank-badge.rank-2 {
            background: rgba(212, 162, 76, 0.4);
            color: var(--accent-secondary);
            border-color: rgba(212, 162, 76, 0.6);
        }

        .ranking-item .rank-badge.rank-3 {
            background: rgba(214, 52, 71, 0.35);
            color: var(--accent-primary);
            border-color: rgba(214, 52, 71, 0.5);
        }

        .ranking-item .rank-thumb {
            width: 64px;
            height: 64px;
            min-width: 64px;
            border-radius: 10px;
            overflow: hidden;
            background: var(--bg-tertiary);
            border: 1px solid var(--border-low);
        }

        .ranking-item .rank-thumb img {
            width: 100%;
            height: 100%;
            object-fit: cover;
        }

        .ranking-item .rank-info {
            flex: 1;
            min-width: 0;
        }

        .ranking-item .rank-title {
            font-size: 1.02rem;
            font-weight: 600;
            color: var(--text-primary);
            margin-bottom: 4px;
            line-height: 1.4;
        }

        .ranking-item .rank-meta {
            font-size: 0.85rem;
            color: var(--text-muted);
        }

        .ranking-item .rank-heat {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 0.9rem;
            font-weight: 600;
            color: var(--accent-secondary);
            white-space: nowrap;
        }

        .ranking-item .rank-heat i {
            color: var(--accent-primary);
            font-size: 0.85rem;
        }

        @media (max-width: 576px) {
            .ranking-item {
                flex-wrap: wrap;
                padding: 14px 16px;
                gap: 12px;
            }
            .ranking-item .rank-thumb {
                width: 48px;
                height: 48px;
                min-width: 48px;
            }
            .ranking-item .rank-badge {
                width: 32px;
                height: 32px;
                min-width: 32px;
                font-size: 0.85rem;
            }
            .ranking-item .rank-heat {
                font-size: 0.82rem;
            }
        }

        /* ===== Comparison Table ===== */
        .comparison-card {
            background: var(--bg-secondary);
            border: 1px solid var(--border-low);
            border-radius: var(--radius-card);
            padding: 32px 28px;
            overflow-x: auto;
        }

        .comparison-table {
            width: 100%;
            border-collapse: separate;
            border-spacing: 0;
            min-width: 560px;
        }

        .comparison-table th {
            padding: 16px 18px;
            font-size: 0.95rem;
            font-weight: 600;
            color: var(--text-primary);
            border-bottom: 1px solid var(--border-mid);
            text-align: left;
            white-space: nowrap;
        }

        .comparison-table td {
            padding: 16px 18px;
            font-size: 0.92rem;
            color: var(--text-secondary);
            border-bottom: 1px solid var(--border-low);
            line-height: 1.65;
        }

        .comparison-table tr:last-child td {
            border-bottom: none;
        }

        .comparison-table .col-highlight {
            color: var(--accent-secondary);
            font-weight: 600;
        }

        .comparison-table .badge-premium {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            background: rgba(214, 52, 71, 0.15);
            border: 1px solid rgba(214, 52, 71, 0.4);
            color: var(--accent-primary);
            padding: 4px 14px;
            border-radius: var(--radius-pill);
            font-size: 0.82rem;
            font-weight: 500;
        }

        .comparison-table .badge-standard {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            background: rgba(255, 255, 255, 0.06);
            border: 1px solid var(--border-low);
            color: var(--text-secondary);
            padding: 4px 14px;
            border-radius: var(--radius-pill);
            font-size: 0.82rem;
            font-weight: 500;
        }

        /* ===== Milestones ===== */
        .milestones-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 24px;
        }

        .milestone-card {
            background: var(--bg-secondary);
            border: 1px solid var(--border-low);
            border-radius: var(--radius-card);
            padding: 26px 22px;
            text-align: center;
            transition: var(--transition-base);
            position: relative;
        }

        .milestone-card::after {
            content: '';
            position: absolute;
            top: 50%;
            right: -14px;
            width: 10px;
            height: 10px;
            border-radius: 50%;
            background: var(--accent-primary);
            transform: translateY(-50%);
        }

        .milestone-card:last-child::after {
            display: none;
        }

        .milestone-card:hover {
            border-color: rgba(214, 52, 71, 0.4);
            transform: translateY(-3px);
            box-shadow: var(--shadow-card);
        }

        .milestone-card .milestone-year {
            font-size: 1.6rem;
            font-weight: 800;
            color: var(--accent-primary);
            margin-bottom: 10px;
        }

        .milestone-card .milestone-title {
            font-size: 1.05rem;
            font-weight: 600;
            color: var(--text-primary);
            line-height: 1.45;
            margin-bottom: 8px;
        }

        .milestone-card .milestone-desc {
            font-size: 0.88rem;
            color: var(--text-secondary);
            line-height: 1.65;
        }

        @media (max-width: 992px) {
            .milestones-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 18px;
            }
            .milestone-card::after {
                display: none;
            }
        }

        @media (max-width: 576px) {
            .milestones-grid {
                grid-template-columns: 1fr;
            }
        }

        /* ===== News List ===== */
        .news-grid {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 24px;
        }

        .news-card {
            background: var(--bg-secondary);
            border: 1px solid var(--border-low);
            border-radius: var(--radius-card);
            overflow: hidden;
            transition: var(--transition-base);
            display: flex;
            flex-direction: column;
        }

        .news-card:hover {
            border-color: rgba(214, 52, 71, 0.4);
            transform: translateY(-3px);
            box-shadow: var(--shadow-card-hover);
        }

        .news-card .news-image {
            height: 200px;
            background-size: cover;
            background-position: center;
            border-bottom: 1px solid var(--border-low);
        }

        .news-card .news-body {
            padding: 22px 24px;
            flex: 1;
            display: flex;
            flex-direction: column;
            gap: 10px;
        }

        .news-card .news-meta {
            display: flex;
            align-items: center;
            gap: 12px;
            font-size: 0.82rem;
            color: var(--text-muted);
        }

        .news-card .news-tag {
            display: inline-block;
            background: rgba(214, 52, 71, 0.14);
            border: 1px solid rgba(214, 52, 71, 0.3);
            color: var(--accent-primary);
            padding: 2px 12px;
            border-radius: var(--radius-pill);
            font-size: 0.78rem;
            font-weight: 500;
        }

        .news-card .news-title {
            font-size: 1.15rem;
            font-weight: 650;
            color: var(--text-primary);
            line-height: 1.45;
        }

        .news-card .news-desc {
            font-size: 0.92rem;
            color: var(--text-secondary);
            line-height: 1.7;
        }

        @media (max-width: 768px) {
            .news-grid {
                grid-template-columns: 1fr;
            }
            .news-card .news-image {
                height: 180px;
            }
        }

        /* ===== Platform Guarantee ===== */
        .guarantee-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 22px;
        }

        .guarantee-card {
            background: transparent;
            border: 1px solid var(--border-low);
            border-radius: var(--radius-card);
            padding: 24px 22px;
            text-align: center;
            transition: var(--transition-base);
        }

        .guarantee-card:hover {
            border-color: var(--accent-secondary);
            background: rgba(212, 162, 76, 0.06);
            transform: translateY(-2px);
        }

        .guarantee-card .guarantee-icon {
            width: 56px;
            height: 56px;
            display: flex;
            align-items: center;
            justify-content: center;
            margin: 0 auto 14px;
            background: rgba(212, 162, 76, 0.1);
            border: 1px solid rgba(212, 162, 76, 0.3);
            border-radius: 50%;
            color: var(--accent-secondary);
            font-size: 1.3rem;
        }

        .guarantee-card .guarantee-title {
            font-size: 1.05rem;
            font-weight: 600;
            color: var(--text-primary);
            margin-bottom: 8px;
        }

        .guarantee-card .guarantee-desc {
            font-size: 0.88rem;
            color: var(--text-secondary);
            line-height: 1.65;
        }

        @media (max-width: 768px) {
            .guarantee-grid {
                grid-template-columns: 1fr;
                gap: 16px;
            }
        }

        /* ===== Quick Answers ===== */
        .quick-answers-list {
            display: flex;
            flex-direction: column;
            gap: 14px;
            max-width: 850px;
        }

        .quick-answer-item {
            background: var(--bg-secondary);
            border: 1px solid var(--border-low);
            border-radius: 12px;
            padding: 18px 22px;
            transition: var(--transition-base);
        }

        .quick-answer-item:hover {
            border-color: rgba(214, 52, 71, 0.3);
        }

        .quick-answer-item .quick-question {
            font-size: 1rem;
            font-weight: 600;
            color: var(--accent-secondary);
            margin-bottom: 6px;
            display: flex;
            align-items: center;
            gap: 8px;
        }

        .quick-answer-item .quick-question i {
            color: var(--accent-primary);
            font-size: 0.85rem;
        }

        .quick-answer-item .quick-answer {
            font-size: 0.92rem;
            color: var(--text-secondary);
            line-height: 1.7;
            margin: 0;
        }

        /* ===== FAQ Accordion ===== */
        .accordion-custom .accordion-item {
            background: var(--bg-secondary);
            border: 1px solid var(--border-low);
            border-radius: 12px !important;
            margin-bottom: 12px;
            overflow: hidden;
            transition: var(--transition-base);
        }

        .accordion-custom .accordion-item:hover {
            border-color: rgba(214, 52, 71, 0.3);
        }

        .accordion-custom .accordion-header {
            margin: 0;
        }

        .accordion-custom .accordion-button {
            background: var(--bg-secondary);
            color: var(--text-primary);
            font-weight: 600;
            font-size: 1rem;
            padding: 18px 22px;
            border: none;
            box-shadow: none !important;
            outline: none !important;
            transition: var(--transition-base);
            border-radius: 12px !important;
        }

        .accordion-custom .accordion-button:not(.collapsed) {
            background: rgba(214, 52, 71, 0.1);
            color: var(--accent-primary);
        }

        .accordion-custom .accordion-button:focus {
            box-shadow: none !important;
            border-color: var(--accent-primary);
        }

        .accordion-custom .accordion-button::after {
            filter: invert(0.7);
            transition: transform 0.3s ease;
        }

        .accordion-custom .accordion-button:not(.collapsed)::after {
            filter: invert(0.4) sepia(1) saturate(3) hue-rotate(320deg);
        }

        .accordion-custom .accordion-body {
            background: var(--bg-tertiary);
            color: var(--text-secondary);
            font-size: 0.95rem;
            line-height: 1.8;
            padding: 18px 22px;
            border-top: 1px solid var(--border-low);
        }

        /* ===== Conversion Form ===== */
        .conversion-section {
            background: var(--bg-tertiary);
            border-top: 1px solid var(--border-low);
            border-bottom: 1px solid var(--border-low);
        }

        .conversion-wrap {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 36px;
            align-items: center;
        }

        .conversion-image {
            border-radius: var(--radius-card);
            overflow: hidden;
            border: 1px solid var(--border-low);
            min-height: 320px;
            background-size: cover;
            background-position: center;
        }

        .conversion-form-card {
            background: var(--bg-secondary);
            border: 1px solid var(--border-low);
            border-radius: var(--radius-card);
            padding: 32px 30px;
        }

        .conversion-form-card .form-title {
            font-size: 1.4rem;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 8px;
        }

        .conversion-form-card .form-desc {
            font-size: 0.92rem;
            color: var(--text-secondary);
            margin-bottom: 24px;
            line-height: 1.7;
        }

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

        .conversion-form-card .form-control {
            background: rgba(22, 22, 26, 0.7);
            border: 1px solid var(--border-low);
            border-radius: 10px;
            color: var(--text-primary);
            padding: 12px 16px;
            font-size: 0.95rem;
            transition: var(--transition-base);
        }

        .conversion-form-card .form-control:focus {
            border-color: var(--accent-primary);
            background: rgba(22, 22, 26, 0.9);
            box-shadow: 0 0 0 4px rgba(214, 52, 71, 0.12);
            color: var(--text-primary);
            outline: none;
        }

        .conversion-form-card .form-control::placeholder {
            color: var(--text-muted);
        }

        .conversion-form-card .form-select {
            background: rgba(22, 22, 26, 0.7);
            border: 1px solid var(--border-low);
            border-radius: 10px;
            color: var(--text-secondary);
            padding: 12px 16px;
            font-size: 0.95rem;
            transition: var(--transition-base);
            cursor: pointer;
            outline: none;
        }

        .conversion-form-card .form-select:focus {
            border-color: var(--accent-primary);
            box-shadow: 0 0 0 4px rgba(214, 52, 71, 0.12);
        }

        .conversion-form-card .form-select option {
            background: var(--bg-secondary);
            color: var(--text-primary);
        }

        .btn-submit {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 10px;
            background: var(--accent-primary);
            color: #fff;
            border: none;
            padding: 13px 28px;
            border-radius: var(--radius-btn);
            font-size: 1rem;
            font-weight: 600;
            cursor: pointer;
            transition: var(--transition-base);
            width: 100%;
            margin-top: 10px;
        }

        .btn-submit:hover {
            background: var(--accent-primary-hover);
            color: #fff;
            box-shadow: 0 8px 24px rgba(214, 52, 71, 0.3);
            transform: translateY(-1px);
        }

        .btn-submit:active {
            transform: translateY(0);
        }

        @media (max-width: 768px) {
            .conversion-wrap {
                grid-template-columns: 1fr;
                gap: 20px;
            }
            .conversion-image {
                min-height: 220px;
                order: 1;
            }
            .conversion-form-card {
                order: 2;
                padding: 24px 18px;
            }
        }

        /* ===== Footer ===== */
        .site-footer {
            background: var(--bg-primary);
            border-top: 1px solid var(--border-low);
            padding: 48px 20px 28px;
        }

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

        .footer-logo {
            font-size: 1.25rem;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 14px;
            display: inline-block;
        }

        .footer-logo .logo-highlight {
            color: var(--accent-primary);
        }

        .footer-desc {
            font-size: 0.9rem;
            color: var(--text-secondary);
            line-height: 1.75;
            max-width: 320px;
        }

        .footer-col-title {
            font-size: 0.95rem;
            font-weight: 600;
            color: var(--text-primary);
            margin-bottom: 16px;
        }

        .footer-col ul {
            list-style: none;
            padding: 0;
            margin: 0;
            display: flex;
            flex-direction: column;
            gap: 10px;
        }

        .footer-col ul a {
            font-size: 0.9rem;
            color: var(--text-secondary);
            transition: var(--transition-base);
        }

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

        .footer-bottom {
            border-top: 1px solid var(--border-low);
            padding-top: 22px;
            text-align: center;
            font-size: 0.85rem;
            color: var(--text-muted);
        }

        .footer-bottom a {
            color: var(--text-secondary);
        }

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

        @media (max-width: 768px) {
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 24px;
            }
            .footer-desc {
                max-width: 100%;
            }
        }

/* roulang page: category1 */
:root {
            --bg-base: #15100C;
            --bg-card: #1E1712;
            --bg-input: #160F0B;
            --bg-alt: #1A130D;
            --primary: #FF4E1B;
            --primary-hover: #E8430F;
            --primary-soft: rgba(255, 78, 27, 0.14);
            --primary-softer: rgba(255, 78, 27, 0.08);
            --accent: #E5A23A;
            --accent-hover: #F0B958;
            --accent-soft: rgba(229, 162, 58, 0.12);
            --highlight: #FF7A3D;
            --text-main: #F7F0E8;
            --text-secondary: #C9BEB5;
            --text-muted: #9A8D82;
            --border-subtle: rgba(255, 255, 255, 0.08);
            --border-strong: rgba(255, 255, 255, 0.14);
            --overlay-dark: rgba(10, 6, 4, 0.72);
            --radius-card: 16px;
            --radius-btn: 10px;
            --radius-pill: 999px;
            --shadow-card: 0 10px 30px rgba(0, 0, 0, 0.35);
            --shadow-hover: 0 14px 34px rgba(255, 78, 27, 0.18);
            --font-sans: "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Noto Sans CJK SC", system-ui, -apple-system, sans-serif;
            --section-pad: 72px;
            --section-pad-mobile: 46px;
            --container-max: 1200px;
            --transition-base: all 0.25s ease;
        }

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

        html {
            scroll-behavior: smooth;
            -webkit-text-size-adjust: 100%;
        }

        body {
            font-family: var(--font-sans);
            background-color: var(--bg-base);
            color: var(--text-main);
            font-size: 15.5px;
            line-height: 1.8;
            margin: 0;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
            overflow-x: hidden;
        }

        a {
            color: var(--text-main);
            text-decoration: none;
            transition: color 0.25s ease, border-color 0.25s ease, background-color 0.25s ease;
        }

        a:hover {
            color: var(--primary);
        }

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

        button,
        input,
        select,
        textarea {
            font-family: var(--font-sans);
            font-size: 15px;
        }

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

        section {
            padding: var(--section-pad-mobile) 0;
            position: relative;
        }

        @media (min-width: 768px) {
            section {
                padding: var(--section-pad) 0;
            }
        }

        .bg-alt {
            background-color: var(--bg-alt);
        }

        .bg-card-solid {
            background-color: var(--bg-card);
        }

        .section-tag {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: var(--primary-soft);
            color: var(--highlight);
            font-size: 13px;
            font-weight: 600;
            letter-spacing: 0.04em;
            padding: 6px 16px;
            border-radius: var(--radius-pill);
            margin-bottom: 14px;
            border: 1px solid rgba(255, 78, 27, 0.22);
        }

        .section-tag .dot {
            width: 6px;
            height: 6px;
            border-radius: 50%;
            background: var(--primary);
            display: inline-block;
        }

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

        .section-heading h2 {
            font-size: 24px;
            font-weight: 700;
            letter-spacing: 0.02em;
            color: var(--text-main);
            margin-bottom: 10px;
            line-height: 1.35;
        }

        .section-heading p {
            font-size: 15px;
            color: var(--text-secondary);
            max-width: 720px;
            line-height: 1.85;
            margin-bottom: 0;
        }

        @media (min-width: 768px) {
            .section-heading h2 {
                font-size: 28px;
            }
        }

        .divider-custom {
            width: 60px;
            height: 3px;
            border-radius: 999px;
            background: var(--primary);
            margin-bottom: 16px;
        }

        /* ========== 导航 ========== */
        .site-header {
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            z-index: 1000;
            padding: 18px 0;
            transition: var(--transition-base);
        }

        .site-header.scrolled {
            position: fixed;
            top: 12px;
            padding: 0;
        }

        .nav-capsule-wrap {
            max-width: var(--container-max);
            margin: 0 auto;
            padding: 0 16px;
        }

        .nav-capsule {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            background: rgba(21, 16, 12, 0.88);
            backdrop-filter: blur(14px);
            -webkit-backdrop-filter: blur(14px);
            border: 1px solid var(--border-subtle);
            border-radius: var(--radius-pill);
            padding: 10px 20px;
            box-shadow: 0 8px 28px rgba(0, 0, 0, 0.45);
        }

        .nav-logo {
            font-weight: 700;
            font-size: 17px;
            letter-spacing: 0.02em;
            color: var(--text-main);
            white-space: nowrap;
            display: flex;
            align-items: center;
            gap: 8px;
        }

        .nav-logo:hover {
            color: var(--text-main);
        }

        .nav-logo .logo-highlight {
            color: var(--primary);
            font-weight: 800;
        }

        .nav-toggle {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 40px;
            height: 40px;
            border-radius: 50%;
            border: 1px solid var(--border-strong);
            background: rgba(255, 255, 255, 0.04);
            color: var(--text-main);
            cursor: pointer;
            transition: var(--transition-base);
            font-size: 16px;
        }

        .nav-toggle:hover {
            border-color: var(--primary);
            color: var(--primary);
            background: var(--primary-soft);
        }

        .nav-toggle:focus-visible {
            outline: 2px solid var(--accent);
            outline-offset: 2px;
        }

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

        .nav-menu li a {
            display: inline-block;
            padding: 8px 16px;
            border-radius: var(--radius-pill);
            font-size: 14px;
            font-weight: 500;
            color: var(--text-secondary);
            white-space: nowrap;
            transition: var(--transition-base);
            border: 1px solid transparent;
        }

        .nav-menu li a:hover {
            color: var(--text-main);
            background: rgba(255, 255, 255, 0.06);
        }

        .nav-menu li a.active {
            color: var(--text-main);
            background: var(--primary);
            border-color: var(--primary);
            font-weight: 600;
        }

        .nav-menu li a:focus-visible {
            outline: 2px solid var(--accent);
            outline-offset: 2px;
        }

        @media (min-width: 992px) {
            .nav-toggle {
                display: none;
            }
        }

        @media (max-width: 991.98px) {
            .nav-capsule {
                flex-wrap: wrap;
                border-radius: 24px;
            }

            .nav-menu {
                display: none;
                width: 100%;
                flex-direction: column;
                align-items: stretch;
                gap: 4px;
                padding-top: 12px;
            }

            .nav-menu.open {
                display: flex;
            }

            .nav-menu li a {
                display: block;
                width: 100%;
                text-align: center;
                padding: 10px 16px;
            }

            .nav-toggle {
                display: inline-flex;
            }
        }

        @media (max-width: 575.98px) {
            .nav-capsule {
                padding: 8px 14px;
                border-radius: 20px;
            }

            .nav-logo {
                font-size: 15px;
            }

            .nav-menu li a {
                font-size: 13px;
                padding: 8px 12px;
            }
        }

        /* ========== 分类 H1 横幅 ========== */
        .category-hero-banner {
            position: relative;
            background: url('/assets/images/82730399aea30239.webp') center/cover no-repeat;
            padding: 130px 0 64px;
            margin-top: 0;
            border-bottom: 1px solid var(--border-subtle);
            overflow: hidden;
        }

        .category-hero-banner::before {
            content: "";
            position: absolute;
            inset: 0;
            background: linear-gradient(180deg, rgba(21, 16, 12, 0.55) 0%, rgba(21, 16, 12, 0.85) 70%, var(--bg-base) 100%);
            pointer-events: none;
            z-index: 1;
        }

        .category-hero-banner .container-custom {
            position: relative;
            z-index: 2;
        }

        .category-hero-banner h1 {
            font-size: clamp(22px, 4vw, 34px);
            font-weight: 700;
            color: var(--text-main);
            letter-spacing: 0.02em;
            line-height: 1.3;
            margin-bottom: 12px;
            max-width: 800px;
        }

        .category-hero-banner .hero-sub {
            font-size: 15px;
            color: var(--text-secondary);
            max-width: 640px;
            line-height: 1.85;
            margin-bottom: 18px;
        }

        .hero-breadcrumb {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            font-size: 13px;
            color: var(--text-muted);
            background: rgba(255, 255, 255, 0.06);
            padding: 8px 18px;
            border-radius: var(--radius-pill);
            border: 1px solid var(--border-subtle);
            margin-bottom: 20px;
        }

        .hero-breadcrumb a {
            color: var(--text-secondary);
        }

        .hero-breadcrumb a:hover {
            color: var(--primary);
        }

        .hero-breadcrumb .sep {
            color: var(--text-muted);
        }

        /* ========== 列表/卡片主体 ========== */
        .category-grid {
            display: grid;
            grid-template-columns: 1fr;
            gap: 20px;
        }

        @media (min-width: 576px) {
            .category-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 22px;
            }
        }

        @media (min-width: 992px) {
            .category-grid {
                grid-template-columns: repeat(3, 1fr);
                gap: 24px;
            }
        }

        .cat-card {
            background: var(--bg-card);
            border: 1px solid var(--border-subtle);
            border-radius: var(--radius-card);
            overflow: hidden;
            box-shadow: var(--shadow-card);
            transition: var(--transition-base);
            display: flex;
            flex-direction: column;
        }

        .cat-card:hover {
            transform: translateY(-4px);
            border-color: var(--primary);
            box-shadow: var(--shadow-hover);
        }

        .cat-card-img-wrap {
            position: relative;
            aspect-ratio: 16/10;
            overflow: hidden;
            background: var(--bg-alt);
        }

        .cat-card-img-wrap img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.45s ease;
        }

        .cat-card:hover .cat-card-img-wrap img {
            transform: scale(1.05);
        }

        .cat-card-badge {
            position: absolute;
            top: 12px;
            left: 12px;
            display: inline-flex;
            align-items: center;
            gap: 4px;
            background: rgba(0, 0, 0, 0.7);
            color: var(--text-main);
            font-size: 12px;
            font-weight: 600;
            padding: 4px 12px;
            border-radius: var(--radius-pill);
            border: 1px solid var(--border-strong);
            backdrop-filter: blur(6px);
        }

        .cat-card-badge.hot {
            background: var(--primary);
            border-color: var(--primary);
        }

        .cat-card-badge.gold {
            background: var(--accent-soft);
            border-color: var(--accent);
            color: var(--accent);
        }

        .cat-card-body {
            padding: 18px 18px 20px;
            flex: 1;
            display: flex;
            flex-direction: column;
            gap: 8px;
        }

        .cat-card-title {
            font-size: 17px;
            font-weight: 700;
            color: var(--text-main);
            line-height: 1.45;
            margin: 0;
        }

        .cat-card-desc {
            font-size: 14px;
            color: var(--text-secondary);
            line-height: 1.75;
            margin: 0;
            flex: 1;
        }

        .cat-card-meta {
            display: flex;
            align-items: center;
            gap: 12px;
            font-size: 13px;
            color: var(--text-muted);
            margin-top: 4px;
        }

        .cat-card-meta i {
            color: var(--primary);
            font-size: 12px;
        }

        .cat-card-tags {
            display: flex;
            flex-wrap: wrap;
            gap: 6px;
            margin-top: 4px;
        }

        .cat-card-tags span {
            font-size: 12px;
            color: var(--text-secondary);
            background: rgba(255, 255, 255, 0.05);
            padding: 3px 10px;
            border-radius: var(--radius-pill);
            border: 1px solid var(--border-subtle);
        }

        .view-more-link {
            text-align: center;
            margin-top: 28px;
        }

        .view-more-link a {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            color: var(--text-main);
            font-weight: 600;
            font-size: 14px;
            padding: 12px 28px;
            border-radius: var(--radius-pill);
            border: 1px solid var(--border-strong);
            background: transparent;
            transition: var(--transition-base);
        }

        .view-more-link a:hover {
            background: var(--primary);
            border-color: var(--primary);
            color: #fff;
        }

        .view-more-link a:focus-visible {
            outline: 2px solid var(--accent);
            outline-offset: 2px;
        }

        /* ========== 分类数据带 ========== */
        .stats-strip {
            background: var(--bg-card);
            border: 1px solid var(--border-subtle);
            border-radius: var(--radius-card);
            padding: 22px 24px;
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 16px;
            box-shadow: var(--shadow-card);
        }

        @media (min-width: 768px) {
            .stats-strip {
                grid-template-columns: repeat(4, 1fr);
                padding: 26px 30px;
                gap: 20px;
            }
        }

        .stat-item {
            text-align: center;
            padding: 8px 4px;
            border-radius: 12px;
            background: rgba(255, 255, 255, 0.03);
        }

        .stat-item .stat-num {
            font-size: 26px;
            font-weight: 800;
            color: var(--primary);
            letter-spacing: 0.01em;
            line-height: 1.3;
        }

        .stat-item .stat-label {
            font-size: 13px;
            color: var(--text-muted);
            margin-top: 4px;
        }

        @media (min-width: 768px) {
            .stat-item .stat-num {
                font-size: 32px;
            }
        }

        /* ========== 热门标签 ========== */
        .tag-cloud {
            display: flex;
            flex-wrap: wrap;
            gap: 12px;
        }

        .tag-cloud .tag-pill {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            background: var(--bg-card);
            border: 1px solid var(--border-subtle);
            color: var(--text-secondary);
            font-size: 14px;
            font-weight: 500;
            padding: 10px 22px;
            border-radius: var(--radius-pill);
            transition: var(--transition-base);
            cursor: default;
            text-decoration: none;
        }

        .tag-cloud .tag-pill:hover {
            border-color: var(--primary);
            color: var(--text-main);
            background: var(--primary-soft);
            transform: translateY(-2px);
        }

        .tag-cloud .tag-pill.highlight-tag {
            background: var(--primary-soft);
            border-color: var(--primary);
            color: var(--primary);
            font-weight: 600;
        }

        .tag-cloud .tag-pill.gold-tag {
            background: var(--accent-soft);
            border-color: var(--accent);
            color: var(--accent);
        }

        /* ========== 相关资讯列表 ========== */
        .news-card-list {
            display: grid;
            grid-template-columns: 1fr;
            gap: 20px;
        }

        @media (min-width: 768px) {
            .news-card-list {
                grid-template-columns: repeat(3, 1fr);
                gap: 22px;
            }
        }

        .news-card {
            background: var(--bg-card);
            border: 1px solid var(--border-subtle);
            border-radius: var(--radius-card);
            overflow: hidden;
            box-shadow: var(--shadow-card);
            transition: var(--transition-base);
            display: flex;
            flex-direction: column;
        }

        .news-card:hover {
            transform: translateY(-4px);
            border-color: var(--accent);
            box-shadow: var(--shadow-hover);
        }

        .news-card-img {
            aspect-ratio: 16/9;
            overflow: hidden;
            background: var(--bg-alt);
        }

        .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(1.04);
        }

        .news-card-body {
            padding: 16px 18px 18px;
            display: flex;
            flex-direction: column;
            gap: 8px;
            flex: 1;
        }

        .news-card-date {
            font-size: 12px;
            color: var(--text-muted);
            display: flex;
            align-items: center;
            gap: 6px;
        }

        .news-card-title {
            font-size: 15.5px;
            font-weight: 600;
            color: var(--text-main);
            line-height: 1.5;
            margin: 0;
        }

        .news-card-excerpt {
            font-size: 13.5px;
            color: var(--text-secondary);
            line-height: 1.7;
            margin: 0;
        }

        .news-card-link {
            font-size: 13px;
            color: var(--primary);
            font-weight: 600;
            cursor: pointer;
            transition: var(--transition-base);
        }

        .news-card-link:hover {
            color: var(--primary-hover);
        }

        /* ========== 快速解答 ========== */
        .qa-mini-list {
            display: flex;
            flex-direction: column;
            gap: 14px;
        }

        .qa-mini-item {
            background: var(--bg-card);
            border: 1px solid var(--border-subtle);
            border-radius: 12px;
            padding: 16px 20px;
            transition: var(--transition-base);
        }

        .qa-mini-item:hover {
            border-color: var(--border-strong);
        }

        .qa-mini-q {
            font-weight: 600;
            color: var(--text-main);
            font-size: 15px;
            margin-bottom: 6px;
            display: flex;
            align-items: flex-start;
            gap: 10px;
        }

        .qa-mini-q::before {
            content: "Q";
            color: var(--primary);
            font-weight: 800;
            font-size: 18px;
            line-height: 1.4;
        }

        .qa-mini-a {
            font-size: 14px;
            color: var(--text-secondary);
            line-height: 1.75;
            margin: 0;
            padding-left: 30px;
        }

        /* ========== 转化 CTA ========== */
        .cta-compact {
            background: var(--bg-card);
            border: 1px solid var(--border-subtle);
            border-radius: var(--radius-card);
            padding: 32px 28px;
            display: flex;
            flex-direction: column;
            gap: 18px;
            align-items: flex-start;
            box-shadow: var(--shadow-card);
        }

        @media (min-width: 768px) {
            .cta-compact {
                flex-direction: row;
                align-items: center;
                justify-content: space-between;
                padding: 36px 40px;
                gap: 24px;
            }
        }

        .cta-compact-left h3 {
            font-size: 20px;
            font-weight: 700;
            color: var(--text-main);
            margin-bottom: 6px;
            line-height: 1.4;
        }

        .cta-compact-left p {
            font-size: 14px;
            color: var(--text-secondary);
            margin: 0;
            line-height: 1.75;
        }

        .cta-compact .btn-custom {
            white-space: nowrap;
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: var(--primary);
            color: #fff;
            border: none;
            border-radius: var(--radius-btn);
            padding: 13px 30px;
            font-weight: 600;
            font-size: 15px;
            cursor: pointer;
            transition: var(--transition-base);
            text-decoration: none;
        }

        .cta-compact .btn-custom:hover {
            background: var(--primary-hover);
            transform: translateY(-2px);
            box-shadow: 0 8px 20px rgba(255, 78, 27, 0.35);
        }

        .cta-compact .btn-custom:focus-visible {
            outline: 2px solid var(--accent);
            outline-offset: 2px;
        }

        .cta-compact .btn-custom:active {
            transform: translateY(0);
        }

        /* ========== 相关专题推荐 ========== */
        .related-grid {
            display: grid;
            grid-template-columns: 1fr;
            gap: 20px;
        }

        @media (min-width: 768px) {
            .related-grid {
                grid-template-columns: repeat(3, 1fr);
                gap: 22px;
            }
        }

        .related-card {
            background: var(--bg-card);
            border: 1px solid var(--border-subtle);
            border-radius: var(--radius-card);
            padding: 22px 20px;
            transition: var(--transition-base);
            display: block;
            color: var(--text-main);
            box-shadow: var(--shadow-card);
        }

        .related-card:hover {
            border-color: var(--primary);
            transform: translateY(-4px);
            box-shadow: var(--shadow-hover);
            color: var(--text-main);
        }

        .related-card-icon {
            width: 44px;
            height: 44px;
            border-radius: 12px;
            display: flex;
            align-items: center;
            justify-content: center;
            background: var(--primary-soft);
            color: var(--primary);
            font-size: 18px;
            margin-bottom: 14px;
        }

        .related-card h4 {
            font-size: 16px;
            font-weight: 700;
            color: var(--text-main);
            margin-bottom: 6px;
            line-height: 1.4;
        }

        .related-card p {
            font-size: 13.5px;
            color: var(--text-secondary);
            line-height: 1.7;
            margin: 0;
        }

        .related-card .go-link {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            font-size: 13px;
            color: var(--primary);
            font-weight: 600;
            margin-top: 12px;
        }

        /* ========== 页脚 ========== */
        .site-footer {
            background: #0E0A08;
            border-top: 1px solid var(--border-subtle);
            padding: 52px 0 28px;
            margin-top: 0;
        }

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

        @media (min-width: 576px) {
            .footer-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 24px;
            }
        }

        @media (min-width: 992px) {
            .footer-grid {
                grid-template-columns: 1.4fr 1fr 1fr 1fr;
                gap: 32px;
            }
        }

        .footer-logo {
            font-weight: 700;
            font-size: 18px;
            color: var(--text-main);
            display: flex;
            align-items: center;
            gap: 8px;
            margin-bottom: 10px;
        }

        .footer-logo:hover {
            color: var(--text-main);
        }

        .footer-logo .logo-highlight {
            color: var(--primary);
            font-weight: 800;
        }

        .footer-desc {
            font-size: 13.5px;
            color: var(--text-muted);
            line-height: 1.75;
            margin: 0;
            max-width: 360px;
        }

        .footer-col-title {
            font-size: 14px;
            font-weight: 700;
            color: var(--text-main);
            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: 13.5px;
            color: var(--text-secondary);
            transition: var(--transition-base);
        }

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

        .footer-bottom {
            border-top: 1px solid var(--border-subtle);
            padding-top: 20px;
            font-size: 13px;
            color: var(--text-muted);
            text-align: center;
        }

        /* ========== 按钮通用 ========== */
        .btn-custom-primary {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: var(--primary);
            color: #fff;
            border: none;
            border-radius: var(--radius-btn);
            padding: 13px 30px;
            font-weight: 600;
            font-size: 15px;
            cursor: pointer;
            transition: var(--transition-base);
            text-decoration: none;
            white-space: nowrap;
        }

        .btn-custom-primary:hover {
            background: var(--primary-hover);
            color: #fff;
            transform: translateY(-2px);
            box-shadow: 0 8px 20px rgba(255, 78, 27, 0.35);
        }

        .btn-custom-primary:focus-visible {
            outline: 2px solid var(--accent);
            outline-offset: 2px;
        }

        .btn-custom-primary:active {
            transform: translateY(0);
        }

        .btn-custom-outline {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: transparent;
            color: var(--text-main);
            border: 1px solid var(--border-strong);
            border-radius: var(--radius-btn);
            padding: 12px 26px;
            font-weight: 600;
            font-size: 15px;
            cursor: pointer;
            transition: var(--transition-base);
            text-decoration: none;
            white-space: nowrap;
        }

        .btn-custom-outline:hover {
            border-color: var(--primary);
            color: var(--primary);
            background: var(--primary-soft);
        }

        .btn-custom-outline:focus-visible {
            outline: 2px solid var(--accent);
            outline-offset: 2px;
        }

        .btn-custom-outline:active {
            transform: translateY(0);
        }

        @media (max-width: 575.98px) {
            .btn-custom-primary,
            .btn-custom-outline,
            .cta-compact .btn-custom {
                width: 100%;
                justify-content: center;
                padding: 12px 20px;
                font-size: 14px;
            }
        }

/* roulang: framework shim */
/* 覆盖 Bootstrap 等对 a/btn 的全局默认，避免导航出现下划线/蓝链 */
.site-header a,.site-header a:hover,.navbar a,.navbar a:hover,.nav-links a,.nav-links a:hover,header nav a,header nav a:hover{text-decoration:none}
.site-header .btn,.navbar .btn,.nav-cta{text-decoration:none}