/* roulang page: index */
:root {
            --primary: #2F6FED;
            --primary-dark: #1B3A8C;
            --accent-cyan: #06B6D4;
            --accent-orange: #F97316;
            --accent-orange-hover: #EA580C;
            --bg-page: #F5F8FC;
            --bg-card: #FFFFFF;
            --text-primary: #0F1E3D;
            --text-body: #334155;
            --text-muted: #64748B;
            --border-light: #E8EEF7;
            --border-lighter: #F1F5F9;
            --shadow-card: 0 8px 24px rgba(15, 30, 61, .06);
            --shadow-card-hover: 0 14px 32px rgba(15, 30, 61, .12);
            --radius-card: 16px;
            --radius-btn: 10px;
            --radius-tag: 6px;
            --font-sans: "PingFang SC", "Microsoft YaHei", "Noto Sans SC", system-ui, sans-serif;
            --font-num: "Inter", "Barlow Condensed", system-ui, sans-serif;
            --section-padding: 80px;
            --section-padding-mobile: 48px;
            --container-max: 1200px;
            --nav-height: 68px;
        }

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

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

        body {
            font-family: var(--font-sans);
            background-color: var(--bg-page);
            color: var(--text-primary);
            line-height: 1.8;
            font-size: 16px;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
            padding-bottom: 80px;
        }

        a {
            color: inherit;
            text-decoration: none;
            transition: color .25s ease, background-color .25s ease, border-color .25s ease, box-shadow .25s ease, transform .25s ease;
        }

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

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

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

        button {
            cursor: pointer;
            border: none;
            background: none;
            transition: background-color .25s ease, color .25s ease, border-color .25s ease, box-shadow .25s ease, transform .25s ease;
        }

        button:focus-visible,
        a:focus-visible,
        input:focus-visible {
            outline: 3px solid rgba(47, 111, 237, .45);
            outline-offset: 2px;
            border-radius: var(--radius-btn);
        }

        .container {
            max-width: var(--container-max);
            margin: 0 auto;
            padding-left: 20px;
            padding-right: 20px;
        }

        .section {
            padding-top: var(--section-padding);
            padding-bottom: var(--section-padding);
        }

        .section-alt {
            background-color: #F8FAFC;
        }

        .section-light-blue {
            background-color: #EBF1FE;
        }

        .font-num {
            font-family: var(--font-num);
            letter-spacing: .02em;
        }

        .text-gradient-primary {
            background: linear-gradient(135deg, var(--primary) 0%, var(--accent-cyan) 100%);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }

        .card-hover {
            transition: transform .3s ease, box-shadow .3s ease;
        }

        .card-hover:hover {
            transform: translateY(-8px);
            box-shadow: var(--shadow-card-hover);
        }

        .btn-primary {
            background-color: var(--accent-orange);
            color: #fff;
            border-radius: var(--radius-btn);
            padding: 12px 28px;
            font-weight: 600;
            font-size: 16px;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            transition: background-color .25s ease, transform .25s ease, box-shadow .25s ease;
            box-shadow: 0 4px 14px rgba(249, 115, 22, .3);
        }

        .btn-primary:hover {
            background-color: var(--accent-orange-hover);
            transform: translateY(-2px);
            box-shadow: 0 8px 20px rgba(249, 115, 22, .4);
        }

        .btn-secondary {
            background-color: transparent;
            color: var(--primary);
            border: 1.5px solid var(--primary);
            border-radius: var(--radius-btn);
            padding: 11px 26px;
            font-weight: 600;
            font-size: 16px;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            transition: background-color .25s ease, color .25s ease, transform .25s ease;
        }

        .btn-secondary:hover {
            background-color: #EBF1FE;
            transform: translateY(-2px);
        }

        .btn-white-outline {
            background-color: transparent;
            color: #fff;
            border: 1.5px solid rgba(255, 255, 255, .7);
            border-radius: var(--radius-btn);
            padding: 11px 26px;
            font-weight: 600;
            font-size: 16px;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            transition: background-color .25s ease, color .25s ease, border-color .25s ease;
        }

        .btn-white-outline:hover {
            background-color: #EBF1FE;
            color: var(--primary);
            border-color: #EBF1FE;
        }

        .tag {
            display: inline-block;
            padding: 4px 12px;
            border-radius: var(--radius-tag);
            font-size: 13px;
            font-weight: 500;
            line-height: 1.5;
        }

        .tag-primary {
            background-color: #EBF1FE;
            color: var(--primary);
        }

        .tag-cyan {
            background-color: #E0F7FA;
            color: #0284C7;
        }

        .tag-orange {
            background-color: #FFF3E8;
            color: var(--accent-orange);
        }

        .badge-hot {
            background-color: #FEE2E2;
            color: #DC2626;
            padding: 3px 10px;
            border-radius: 6px;
            font-size: 12px;
            font-weight: 600;
        }

        .badge-new {
            background-color: #D1FAE5;
            color: #059669;
            padding: 3px 10px;
            border-radius: 6px;
            font-size: 12px;
            font-weight: 600;
        }

        .badge-gray {
            background-color: #F1F5F9;
            color: var(--text-muted);
            padding: 3px 10px;
            border-radius: 6px;
            font-size: 12px;
            font-weight: 500;
        }

        .badge-status-live {
            background-color: #FEE2E2;
            color: #DC2626;
            padding: 3px 10px;
            border-radius: 6px;
            font-size: 12px;
            font-weight: 600;
        }

        .badge-status-soon {
            background-color: #FFF3E8;
            color: var(--accent-orange);
            padding: 3px 10px;
            border-radius: 6px;
            font-size: 12px;
            font-weight: 600;
        }

        .badge-status-ended {
            background-color: #F1F5F9;
            color: var(--text-muted);
            padding: 3px 10px;
            border-radius: 6px;
            font-size: 12px;
            font-weight: 500;
        }

        .nav-link {
            position: relative;
            font-size: 15px;
            font-weight: 500;
            color: var(--text-body);
            padding: 8px 4px;
            white-space: nowrap;
            transition: color .2s ease;
        }

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

        .nav-link.active {
            color: var(--primary);
            font-weight: 600;
        }

        .nav-link.active::after {
            content: '';
            position: absolute;
            bottom: -2px;
            left: 0;
            right: 0;
            height: 3px;
            background-color: var(--primary);
            border-radius: 3px 3px 0 0;
        }

        .header-nav {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            height: var(--nav-height);
            background-color: #fff;
            border-bottom: 1px solid var(--border-light);
            z-index: 100;
            display: flex;
            align-items: center;
        }

        .header-nav .container {
            display: flex;
            align-items: center;
            justify-content: space-between;
            width: 100%;
        }

        .logo-area {
            display: flex;
            align-items: center;
            gap: 10px;
            flex-shrink: 0;
        }

        .logo-icon {
            width: 36px;
            height: 36px;
            border-radius: 8px;
            background: linear-gradient(135deg, var(--primary) 0%, var(--accent-cyan) 100%);
            display: flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-size: 20px;
            line-height: 1;
            flex-shrink: 0;
        }

        .logo-text {
            font-size: 20px;
            font-weight: 700;
            color: var(--text-primary);
            letter-spacing: .01em;
            white-space: nowrap;
        }

        .logo-text span {
            color: var(--primary);
        }

        .nav-main {
            display: flex;
            align-items: center;
            gap: 28px;
        }

        .nav-city-selector {
            position: relative;
            flex-shrink: 0;
        }

        .city-btn {
            display: flex;
            align-items: center;
            gap: 6px;
            padding: 8px 16px;
            border-radius: 20px;
            border: 1px solid var(--border-light);
            background-color: #F8FAFC;
            color: var(--text-body);
            font-size: 14px;
            font-weight: 500;
            transition: background-color .2s ease, border-color .2s ease;
        }

        .city-btn:hover {
            background-color: #EBF1FE;
            border-color: var(--primary);
        }

        .city-dropdown {
            position: absolute;
            top: calc(100% + 8px);
            right: 0;
            width: 280px;
            background-color: #fff;
            border-radius: 12px;
            border: 1px solid var(--border-light);
            box-shadow: 0 12px 36px rgba(15, 30, 61, .14);
            padding: 16px;
            display: none;
            z-index: 110;
        }

        .city-dropdown.open {
            display: block;
            animation: fadeInDown .25s ease;
        }

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

        .city-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 8px;
        }

        .city-item {
            padding: 8px 10px;
            border-radius: 8px;
            text-align: center;
            font-size: 14px;
            color: var(--text-body);
            background-color: #F8FAFC;
            cursor: pointer;
            transition: background-color .2s ease, color .2s ease;
        }

        .city-item:hover {
            background-color: #EBF1FE;
            color: var(--primary);
        }

        .mobile-menu-btn {
            display: none;
            width: 42px;
            height: 42px;
            border-radius: 10px;
            align-items: center;
            justify-content: center;
            color: var(--text-primary);
            font-size: 24px;
            flex-shrink: 0;
        }

        .mobile-menu-panel {
            display: none;
            position: fixed;
            top: var(--nav-height);
            left: 0;
            right: 0;
            background-color: #fff;
            border-bottom: 1px solid var(--border-light);
            box-shadow: 0 12px 32px rgba(15, 30, 61, .1);
            z-index: 99;
            padding: 16px 20px 20px;
        }

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

        .mobile-nav-link {
            display: block;
            padding: 12px 16px;
            font-size: 16px;
            font-weight: 500;
            color: var(--text-body);
            border-radius: 8px;
            transition: background-color .2s ease;
        }

        .mobile-nav-link:hover,
        .mobile-nav-link.active {
            background-color: #EBF1FE;
            color: var(--primary);
        }

        .mobile-city-row {
            display: flex;
            gap: 8px;
            overflow-x: auto;
            padding: 8px 0;
            margin-top: 8px;
            -webkit-overflow-scrolling: touch;
            scrollbar-width: none;
        }

        .mobile-city-row::-webkit-scrollbar {
            display: none;
        }

        .mobile-city-chip {
            flex-shrink: 0;
            padding: 6px 14px;
            border-radius: 16px;
            background-color: #F8FAFC;
            border: 1px solid var(--border-light);
            font-size: 13px;
            color: var(--text-body);
            white-space: nowrap;
        }

        .hero-section {
            position: relative;
            background: linear-gradient(180deg, var(--primary-dark) 0%, var(--primary) 100%);
            padding-top: calc(var(--nav-height) + 60px);
            padding-bottom: 60px;
            overflow: hidden;
        }

        .hero-section::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            bottom: 0;
            background-image: url('/assets/images/a40bac00d5a8dfb4.webp');
            background-size: cover;
            background-position: center;
            opacity: .12;
            pointer-events: none;
        }

        .hero-section .container {
            position: relative;
            z-index: 1;
        }

        .hero-title {
            font-size: 56px;
            font-weight: 700;
            color: #fff;
            line-height: 1.2;
            letter-spacing: .01em;
            margin-bottom: 20px;
        }

        .hero-subtitle {
            font-size: 18px;
            font-weight: 400;
            color: rgba(255, 255, 255, .8);
            line-height: 1.8;
            margin-bottom: 32px;
            max-width: 560px;
        }

        .hero-cta-group {
            display: flex;
            flex-wrap: wrap;
            gap: 14px;
            margin-bottom: 40px;
        }

        .hero-data-cards {
            display: flex;
            flex-wrap: wrap;
            gap: 16px;
        }

        .hero-data-card {
            background-color: rgba(255, 255, 255, .1);
            backdrop-filter: blur(4px);
            border: 1px solid rgba(255, 255, 255, .2);
            border-radius: 12px;
            padding: 16px 20px;
            min-width: 140px;
        }

        .hero-data-num {
            font-size: 32px;
            font-weight: 700;
            color: #fff;
            font-family: var(--font-num);
            line-height: 1.2;
        }

        .hero-data-label {
            font-size: 13px;
            color: rgba(255, 255, 255, .7);
            margin-top: 4px;
        }

        .hero-game-icons {
            display: flex;
            flex-wrap: wrap;
            gap: 12px;
            align-items: center;
        }

        .game-icon-chip {
            background-color: rgba(255, 255, 255, .08);
            border: 1px solid rgba(255, 255, 255, .16);
            border-radius: 20px;
            padding: 6px 16px;
            font-size: 13px;
            color: rgba(255, 255, 255, .75);
            white-space: nowrap;
        }

        .hero-visual {
            position: relative;
            display: flex;
            align-items: center;
            justify-content: center;
        }

        .hero-visual-card-stack {
            position: relative;
            width: 100%;
            max-width: 420px;
        }

        .hero-visual-main-card {
            background-color: #fff;
            border-radius: 16px;
            padding: 24px;
            box-shadow: 0 20px 48px rgba(0, 0, 0, .2);
            position: relative;
            z-index: 2;
        }

        .hero-visual-floating-card {
            position: absolute;
            background-color: #fff;
            border-radius: 12px;
            padding: 14px 18px;
            box-shadow: 0 12px 32px rgba(0, 0, 0, .16);
            z-index: 3;
            animation: floatCard 5s ease-in-out infinite;
        }

        @keyframes floatCard {
            0%,
            100% {
                transform: translateY(0);
            }
            50% {
                transform: translateY(-10px);
            }
        }

        .hero-visual-floating-card.card-top {
            top: -18px;
            right: -12px;
        }

        .hero-visual-floating-card.card-bottom {
            bottom: -16px;
            left: -12px;
            animation-delay: 2s;
        }

        .data-trust-section {
            background-color: #F8FAFC;
            border-bottom: 1px solid var(--border-light);
        }

        .data-trust-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 24px;
        }

        .data-trust-item {
            text-align: center;
            padding: 20px 12px;
        }

        .data-trust-num {
            font-size: 48px;
            font-weight: 700;
            color: var(--primary);
            font-family: var(--font-num);
            line-height: 1.1;
        }

        .data-trust-label {
            font-size: 14px;
            color: var(--text-muted);
            margin-top: 6px;
        }

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

        .section-header h2 {
            font-size: 36px;
            font-weight: 700;
            color: var(--text-primary);
            line-height: 1.3;
            margin-bottom: 14px;
        }

        .section-header p {
            font-size: 16px;
            color: var(--text-body);
            max-width: 720px;
            line-height: 1.8;
        }

        .three-col-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }

        .feature-card {
            background-color: var(--bg-card);
            border-radius: var(--radius-card);
            padding: 28px 24px;
            box-shadow: var(--shadow-card);
            transition: transform .3s ease, box-shadow .3s ease;
            position: relative;
            overflow: hidden;
        }

        .feature-card:hover {
            transform: translateY(-8px);
            box-shadow: var(--shadow-card-hover);
        }

        .feature-card .feature-num {
            font-size: 42px;
            font-weight: 700;
            color: #EEF2F8;
            font-family: var(--font-num);
            line-height: 1;
            margin-bottom: 12px;
        }

        .feature-card .feature-icon {
            width: 52px;
            height: 52px;
            border-radius: 12px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 26px;
            margin-bottom: 16px;
        }

        .feature-card h3 {
            font-size: 20px;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 10px;
        }

        .feature-card p {
            font-size: 15px;
            color: var(--text-body);
            line-height: 1.7;
            margin-bottom: 14px;
        }

        .feature-card .feature-line {
            width: 36px;
            height: 3px;
            background-color: var(--primary);
            border-radius: 3px;
        }

        .game-card {
            background-color: var(--bg-card);
            border-radius: var(--radius-card);
            overflow: hidden;
            box-shadow: var(--shadow-card);
            transition: transform .3s ease, box-shadow .3s ease;
            position: relative;
        }

        .game-card:hover {
            transform: translateY(-6px);
            box-shadow: var(--shadow-card-hover);
        }

        .game-card-img {
            width: 100%;
            aspect-ratio: 3/2;
            object-fit: cover;
        }

        .game-card-body {
            padding: 18px 20px 20px;
        }

        .game-card-title {
            font-size: 18px;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 6px;
        }

        .game-card-desc {
            font-size: 14px;
            color: var(--text-body);
            line-height: 1.6;
            margin-bottom: 12px;
        }

        .game-card-meta {
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 8px;
            margin-bottom: 14px;
        }

        .game-card-link {
            font-size: 14px;
            font-weight: 600;
            color: var(--primary);
            display: inline-flex;
            align-items: center;
            gap: 4px;
            transition: gap .2s ease;
        }

        .game-card-link:hover {
            gap: 8px;
        }

        .scene-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 48px;
            align-items: center;
        }

        .scene-img {
            width: 100%;
            aspect-ratio: 16/10;
            object-fit: cover;
            border-radius: var(--radius-card);
            box-shadow: var(--shadow-card);
        }

        .scene-point {
            display: flex;
            gap: 12px;
            margin-bottom: 18px;
        }

        .scene-point-bar {
            width: 3px;
            min-height: 48px;
            background-color: var(--primary);
            border-radius: 3px;
            flex-shrink: 0;
        }

        .scene-point-title {
            font-size: 17px;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 4px;
        }

        .scene-point-desc {
            font-size: 15px;
            color: var(--text-body);
            line-height: 1.7;
        }

        .match-card {
            background-color: var(--bg-card);
            border-radius: 12px;
            padding: 18px;
            box-shadow: var(--shadow-card);
            transition: transform .3s ease, box-shadow .3s ease;
            border: 1px solid var(--border-lighter);
        }

        .match-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-card-hover);
        }

        .match-card-top {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 8px;
            margin-bottom: 10px;
        }

        .match-card-name {
            font-size: 16px;
            font-weight: 700;
            color: var(--text-primary);
        }

        .match-card-teams {
            font-size: 14px;
            color: var(--text-body);
            margin-bottom: 10px;
            line-height: 1.6;
        }

        .match-card-bottom {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 10px;
            flex-wrap: wrap;
        }

        .match-countdown {
            color: var(--accent-orange);
            font-weight: 600;
            font-size: 14px;
        }

        .match-prize {
            font-weight: 700;
            color: var(--text-primary);
            font-size: 15px;
        }

        .testimonial-card {
            background-color: var(--bg-card);
            border-radius: var(--radius-card);
            padding: 24px;
            box-shadow: var(--shadow-card);
            transition: transform .3s ease, box-shadow .3s ease;
        }

        .testimonial-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-card-hover);
        }

        .testimonial-header {
            display: flex;
            align-items: center;
            gap: 12px;
            margin-bottom: 14px;
        }

        .testimonial-avatar {
            width: 48px;
            height: 48px;
            border-radius: 50%;
            background: linear-gradient(135deg, var(--primary) 0%, var(--accent-cyan) 100%);
            display: flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-weight: 700;
            font-size: 20px;
            flex-shrink: 0;
        }

        .testimonial-name {
            font-weight: 700;
            font-size: 16px;
            color: var(--text-primary);
        }

        .testimonial-title {
            font-size: 13px;
            color: var(--text-muted);
        }

        .testimonial-text {
            font-size: 15px;
            color: var(--text-body);
            line-height: 1.7;
            margin-bottom: 12px;
        }

        .testimonial-stars {
            color: var(--primary);
            font-size: 16px;
            letter-spacing: 2px;
        }

        .compare-table-wrap {
            background-color: var(--bg-card);
            border-radius: var(--radius-card);
            box-shadow: var(--shadow-card);
            overflow: hidden;
        }

        .compare-table {
            width: 100%;
            border-collapse: collapse;
            font-size: 15px;
        }

        .compare-table th,
        .compare-table td {
            padding: 16px 20px;
            text-align: center;
            border-bottom: 1px solid var(--border-lighter);
        }

        .compare-table th {
            font-weight: 700;
            color: var(--text-primary);
            background-color: #F8FAFC;
            font-size: 15px;
        }

        .compare-table th:first-child {
            text-align: left;
            width: 28%;
        }

        .compare-table td:first-child {
            text-align: left;
            color: var(--text-body);
            font-weight: 500;
        }

        .compare-table .compare-highlight {
            background-color: #EBF1FE;
            color: var(--primary-dark);
            font-weight: 700;
        }

        .compare-table .compare-normal {
            color: var(--text-muted);
        }

        .compare-check {
            color: var(--primary);
            font-weight: 700;
        }

        .compare-dash {
            color: #94A3B8;
        }

        .brand-card {
            background-color: var(--bg-card);
            border-radius: var(--radius-card);
            box-shadow: var(--shadow-card);
            padding: 40px;
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 36px;
            align-items: center;
        }

        .brand-img {
            width: 100%;
            aspect-ratio: 4/3;
            object-fit: cover;
            border-radius: 12px;
            box-shadow: var(--shadow-card);
        }

        .brand-text h2 {
            font-size: 30px;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 16px;
        }

        .brand-text p {
            font-size: 15px;
            color: var(--text-body);
            line-height: 1.8;
            margin-bottom: 14px;
        }

        .article-card {
            background-color: var(--bg-card);
            border-radius: var(--radius-card);
            overflow: hidden;
            box-shadow: var(--shadow-card);
            transition: transform .3s ease, box-shadow .3s ease;
        }

        .article-card:hover {
            transform: translateY(-6px);
            box-shadow: var(--shadow-card-hover);
        }

        .article-card-img {
            width: 100%;
            aspect-ratio: 3/2;
            object-fit: cover;
        }

        .article-card-body {
            padding: 18px 20px 20px;
        }

        .article-card-tag {
            margin-bottom: 10px;
        }

        .article-card-title {
            font-size: 17px;
            font-weight: 700;
            color: var(--text-primary);
            line-height: 1.5;
            margin-bottom: 8px;
        }

        .article-card-excerpt {
            font-size: 14px;
            color: var(--text-body);
            line-height: 1.7;
            margin-bottom: 12px;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }

        .article-card-date {
            font-size: 13px;
            color: var(--text-muted);
        }

        .faq-item {
            background-color: var(--bg-card);
            border-radius: 12px;
            margin-bottom: 12px;
            overflow: hidden;
            border: 1px solid var(--border-lighter);
            transition: border-color .3s ease;
        }

        .faq-item.open {
            border-left: 3px solid var(--primary);
            border-color: var(--primary) var(--border-lighter) var(--border-lighter) var(--border-lighter);
        }

        .faq-question {
            width: 100%;
            padding: 18px 20px;
            background: none;
            text-align: left;
            font-size: 16px;
            font-weight: 600;
            color: var(--text-primary);
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 12px;
        }

        .faq-icon {
            flex-shrink: 0;
            width: 24px;
            height: 24px;
            border-radius: 50%;
            background-color: #F1F5F9;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 14px;
            color: var(--text-muted);
            transition: transform .3s ease, background-color .3s ease, color .3s ease;
        }

        .faq-item.open .faq-icon {
            transform: rotate(180deg);
            background-color: #EBF1FE;
            color: var(--primary);
        }

        .faq-answer {
            padding: 0 20px 18px;
            font-size: 15px;
            color: var(--text-body);
            line-height: 1.8;
            background-color: #fff;
        }

        .guarantee-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 24px;
        }

        .guarantee-item {
            background-color: #fff;
            border-radius: 14px;
            padding: 24px 20px;
            text-align: center;
            box-shadow: var(--shadow-card);
        }

        .guarantee-icon {
            width: 52px;
            height: 52px;
            border-radius: 50%;
            background-color: #EBF1FE;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 26px;
            margin: 0 auto 14px;
            color: var(--primary);
        }

        .guarantee-title {
            font-size: 17px;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 8px;
        }

        .guarantee-desc {
            font-size: 14px;
            color: var(--text-body);
            line-height: 1.6;
        }

        .step-timeline {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
            position: relative;
        }

        .step-item {
            text-align: center;
            position: relative;
        }

        .step-dot {
            width: 56px;
            height: 56px;
            border-radius: 50%;
            background-color: var(--primary);
            color: #fff;
            font-weight: 700;
            font-size: 20px;
            display: flex;
            align-items: center;
            justify-content: center;
            margin: 0 auto 14px;
            position: relative;
            z-index: 2;
            box-shadow: 0 6px 16px rgba(47, 111, 237, .3);
        }

        .step-item:not(:last-child)::after {
            content: '';
            position: absolute;
            top: 28px;
            left: calc(50% + 32px);
            right: calc(-50% + 32px);
            height: 2px;
            background-color: var(--border-light);
            z-index: 1;
        }

        .step-title {
            font-size: 17px;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 6px;
        }

        .step-desc {
            font-size: 14px;
            color: var(--text-body);
            line-height: 1.6;
        }

        .cta-section {
            background: linear-gradient(135deg, var(--primary-dark) 0%, var(--primary) 100%);
            border-radius: 24px;
            padding: 48px 40px;
            text-align: center;
            position: relative;
            overflow: hidden;
        }

        .cta-section::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            bottom: 0;
            background-image: url('/assets/images/281a21be5bafde26.webp');
            background-size: cover;
            background-position: center;
            opacity: .09;
        }

        .cta-section .container {
            position: relative;
            z-index: 1;
        }

        .cta-section h2 {
            font-size: 32px;
            font-weight: 700;
            color: #fff;
            margin-bottom: 14px;
        }

        .cta-section p {
            font-size: 16px;
            color: rgba(255, 255, 255, .8);
            max-width: 560px;
            margin: 0 auto 28px;
            line-height: 1.8;
        }

        .cta-section .cta-group {
            display: flex;
            flex-wrap: wrap;
            gap: 14px;
            justify-content: center;
        }

        .fixed-bottom-bar {
            position: fixed;
            bottom: 0;
            left: 0;
            right: 0;
            background-color: rgba(255, 255, 255, .92);
            backdrop-filter: blur(12px);
            border-top: 1px solid var(--border-light);
            box-shadow: 0 -4px 16px rgba(15, 30, 61, .08);
            z-index: 90;
            padding: 12px 0;
        }

        .fixed-bottom-bar .container {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
        }

        .fixed-bar-text {
            font-size: 14px;
            color: var(--text-body);
            font-weight: 500;
        }

        .fixed-bar-actions {
            display: flex;
            align-items: center;
            gap: 16px;
            flex-shrink: 0;
        }

        .fixed-bar-btn-primary {
            background-color: var(--accent-orange);
            color: #fff;
            border-radius: var(--radius-btn);
            padding: 10px 22px;
            font-weight: 600;
            font-size: 14px;
            white-space: nowrap;
            box-shadow: 0 4px 12px rgba(249, 115, 22, .25);
        }

        .fixed-bar-btn-primary:hover {
            background-color: var(--accent-orange-hover);
        }

        .fixed-bar-link {
            font-size: 14px;
            font-weight: 600;
            color: var(--primary);
            white-space: nowrap;
        }

        .footer-site {
            background-color: var(--primary-dark);
            color: rgba(255, 255, 255, .75);
            padding: 56px 0 24px;
            margin-top: 0;
        }

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

        .footer-brand-name {
            font-size: 22px;
            font-weight: 700;
            color: #fff;
            margin-bottom: 12px;
        }

        .footer-brand-desc {
            font-size: 14px;
            line-height: 1.7;
            color: rgba(255, 255, 255, .6);
            max-width: 280px;
        }

        .footer-col-title {
            font-size: 16px;
            font-weight: 700;
            color: #fff;
            margin-bottom: 16px;
        }

        .footer-link {
            display: block;
            font-size: 14px;
            color: rgba(255, 255, 255, .65);
            padding: 6px 0;
            transition: color .2s ease;
        }

        .footer-link:hover {
            color: var(--accent-cyan);
        }

        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, .12);
            padding-top: 20px;
            font-size: 13px;
            color: rgba(255, 255, 255, .45);
            text-align: center;
            padding-bottom: 40px;
        }

        .breadcrumb {
            font-size: 14px;
            color: var(--text-muted);
            margin-bottom: 8px;
        }

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

        @media (max-width: 1024px) {
            .hero-title {
                font-size: 44px;
            }

            .data-trust-num {
                font-size: 40px;
            }

            .section-header h2 {
                font-size: 30px;
            }

            .brand-card {
                grid-template-columns: 1fr;
                padding: 28px;
            }

            .brand-img {
                order: -1;
                max-height: 220px;
            }

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

        @media (max-width: 768px) {
            .section {
                padding-top: var(--section-padding-mobile);
                padding-bottom: var(--section-padding-mobile);
            }

            .hero-section {
                padding-top: calc(var(--nav-height) + 32px);
                padding-bottom: 40px;
            }

            .hero-title {
                font-size: 32px;
            }

            .hero-subtitle {
                font-size: 16px;
            }

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

            .hero-visual {
                margin-top: 32px;
            }

            .three-col-grid {
                grid-template-columns: 1fr;
            }

            .data-trust-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 16px;
            }

            .data-trust-num {
                font-size: 36px;
            }

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

            .guarantee-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 16px;
            }

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

            .step-item:not(:last-child)::after {
                display: none;
            }

            .compare-table th,
            .compare-table td {
                padding: 12px 10px;
                font-size: 13px;
            }

            .compare-table th:first-child,
            .compare-table td:first-child {
                width: 32%;
            }

            .nav-main {
                display: none;
            }

            .nav-city-selector {
                display: none;
            }

            .mobile-menu-btn {
                display: flex;
            }

            .brand-card {
                padding: 20px;
            }

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

            .fixed-bottom-bar .container {
                flex-direction: column;
                gap: 8px;
                align-items: stretch;
                text-align: center;
            }

            .fixed-bar-actions {
                justify-content: center;
            }

            .fixed-bar-text {
                font-size: 13px;
            }

            .hero-data-card {
                min-width: 100px;
                padding: 12px 14px;
            }

            .hero-data-num {
                font-size: 24px;
            }

            .section-header h2 {
                font-size: 26px;
            }

            .cta-section {
                padding: 32px 20px;
            }

            .cta-section h2 {
                font-size: 26px;
            }
        }

        @media (max-width: 520px) {
            .hero-title {
                font-size: 28px;
            }

            .hero-subtitle {
                font-size: 15px;
            }

            .hero-cta-group {
                flex-direction: column;
                align-items: stretch;
            }

            .btn-primary,
            .btn-white-outline,
            .btn-secondary {
                justify-content: center;
            }

            .data-trust-grid {
                grid-template-columns: 1fr 1fr;
                gap: 8px;
            }

            .data-trust-num {
                font-size: 30px;
            }

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

            .compare-table {
                font-size: 12px;
            }

            .compare-table th,
            .compare-table td {
                padding: 8px 6px;
            }

            .game-card-body {
                padding: 14px 14px 16px;
            }

            .footer-grid {
                gap: 16px;
            }

            .fixed-bar-btn-primary {
                padding: 8px 16px;
                font-size: 13px;
            }

            .fixed-bar-link {
                font-size: 13px;
            }
        }

/* roulang page: category2 */
:root {
            --primary: #2F6FED;
            --primary-dark: #1B3A8C;
            --accent-cyan: #06B6D4;
            --accent-orange: #F97316;
            --accent-orange-hover: #EA580C;
            --bg-page: #F5F8FC;
            --bg-card: #FFFFFF;
            --text-primary: #0F1E3D;
            --text-body: #334155;
            --text-muted: #64748B;
            --border-light: #E8EEF7;
            --border-lighter: #F1F5F9;
            --shadow-card: 0 8px 24px rgba(15, 30, 61, .06);
            --shadow-card-hover: 0 14px 32px rgba(15, 30, 61, .12);
            --radius-card: 16px;
            --radius-btn: 10px;
            --radius-tag: 6px;
            --font-sans: "PingFang SC", "Microsoft YaHei", "Noto Sans SC", system-ui, sans-serif;
            --font-num: "Inter", "Barlow Condensed", system-ui, sans-serif;
            --section-padding: 80px;
            --section-padding-mobile: 48px;
            --container-max: 1200px;
            --nav-height: 68px;
        }

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

        body {
            font-family: var(--font-sans);
            background-color: var(--bg-page);
            color: var(--text-primary);
            line-height: 1.8;
            font-size: 16px;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
            padding-bottom: 70px;
        }

        a {
            color: inherit;
            text-decoration: none;
            transition: color .25s ease, background-color .25s ease, border-color .25s ease, box-shadow .25s ease, transform .25s ease;
        }

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

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

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

        button {
            cursor: pointer;
            border: none;
            background: none;
            transition: background-color .25s ease, color .25s ease, border-color .25s ease, box-shadow .25s ease, transform .25s ease;
        }

        button:focus-visible,
        a:focus-visible,
        input:focus-visible,
        select:focus-visible {
            outline: 3px solid rgba(47, 111, 237, .45);
            outline-offset: 2px;
            border-radius: var(--radius-btn);
        }

        .container {
            max-width: var(--container-max);
            margin: 0 auto;
            padding-left: 20px;
            padding-right: 20px;
        }

        .section {
            padding-top: var(--section-padding);
            padding-bottom: var(--section-padding);
        }

        .section-alt {
            background-color: #F8FAFC;
        }

        .section-light-blue {
            background-color: #EBF1FE;
        }

        .text-gradient-primary {
            background: linear-gradient(135deg, var(--primary) 0%, var(--accent-cyan) 100%);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }

        .card-hover {
            transition: transform .3s ease, box-shadow .3s ease;
        }

        .card-hover:hover {
            transform: translateY(-8px);
            box-shadow: var(--shadow-card-hover);
        }

        .btn-primary {
            background-color: var(--accent-orange);
            color: #fff;
            border-radius: var(--radius-btn);
            padding: 12px 28px;
            font-weight: 600;
            font-size: 16px;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            transition: background-color .25s ease, transform .25s ease, box-shadow .25s ease;
            box-shadow: 0 4px 14px rgba(249, 115, 22, .3);
        }

        .btn-primary:hover {
            background-color: var(--accent-orange-hover);
            transform: translateY(-2px);
            box-shadow: 0 8px 20px rgba(249, 115, 22, .4);
        }

        .btn-secondary {
            background-color: transparent;
            color: var(--primary);
            border: 1.5px solid var(--primary);
            border-radius: var(--radius-btn);
            padding: 11px 26px;
            font-weight: 600;
            font-size: 16px;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            transition: background-color .25s ease, color .25s ease, transform .25s ease;
        }

        .btn-secondary:hover {
            background-color: #EBF1FE;
            transform: translateY(-2px);
        }

        .tag {
            display: inline-block;
            padding: 4px 12px;
            border-radius: var(--radius-tag);
            font-size: 13px;
            font-weight: 500;
            line-height: 1.5;
        }

        .tag-primary {
            background-color: #EBF1FE;
            color: var(--primary);
        }

        .tag-cyan {
            background-color: #E0F7FA;
            color: #0284C7;
        }

        .tag-orange {
            background-color: #FFF3E8;
            color: var(--accent-orange);
        }

        .badge-hot {
            background-color: #FEE2E2;
            color: #DC2626;
            padding: 3px 10px;
            border-radius: 6px;
            font-size: 12px;
            font-weight: 600;
            display: inline-block;
        }

        .badge-new {
            background-color: #E0F7FA;
            color: #0284C7;
            padding: 3px 10px;
            border-radius: 6px;
            font-size: 12px;
            font-weight: 600;
            display: inline-block;
        }

        /* 导航样式 */
        .header-site {
            position: sticky;
            top: 0;
            z-index: 100;
            background-color: #FFFFFF;
            border-bottom: 1px solid var(--border-light);
            height: var(--nav-height);
            display: flex;
            align-items: center;
        }

        .nav-container {
            display: flex;
            align-items: center;
            justify-content: space-between;
            width: 100%;
            max-width: var(--container-max);
            margin: 0 auto;
            padding-left: 20px;
            padding-right: 20px;
            height: 100%;
            gap: 24px;
        }

        .nav-logo {
            display: flex;
            align-items: center;
            gap: 10px;
            flex-shrink: 0;
            font-weight: 700;
            font-size: 20px;
            color: var(--text-primary);
            letter-spacing: .5px;
        }

        .nav-logo-icon {
            width: 36px;
            height: 36px;
            background: linear-gradient(135deg, var(--primary) 0%, var(--accent-cyan) 100%);
            border-radius: 10px;
            display: flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-size: 18px;
            flex-shrink: 0;
        }

        .nav-main {
            display: flex;
            align-items: center;
            gap: 28px;
            flex-shrink: 0;
        }

        .nav-link {
            font-size: 15px;
            font-weight: 500;
            color: var(--text-body);
            position: relative;
            padding: 8px 0;
            transition: color .25s ease;
            white-space: nowrap;
        }

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

        .nav-link.active {
            color: var(--primary);
        }

        .nav-link.active::after {
            content: "";
            position: absolute;
            bottom: -2px;
            left: 0;
            width: 100%;
            height: 3px;
            background-color: var(--primary);
            border-radius: 3px 3px 0 0;
        }

        .nav-location-btn {
            display: flex;
            align-items: center;
            gap: 6px;
            font-size: 14px;
            font-weight: 500;
            color: var(--text-body);
            background-color: #F8FAFC;
            border: 1px solid var(--border-light);
            border-radius: 20px;
            padding: 7px 16px;
            white-space: nowrap;
            transition: all .25s ease;
        }

        .nav-location-btn:hover {
            border-color: var(--primary);
            color: var(--primary);
            background-color: #EBF1FE;
        }

        .nav-hamburger {
            display: none;
            flex-direction: column;
            gap: 4px;
            background: none;
            border: none;
            padding: 4px;
        }

        .nav-hamburger span {
            width: 24px;
            height: 2.5px;
            background-color: var(--text-primary);
            border-radius: 2px;
            transition: all .3s ease;
        }

        .mobile-nav-menu {
            display: none;
            position: absolute;
            top: var(--nav-height);
            left: 0;
            right: 0;
            background-color: #FFFFFF;
            border-bottom: 1px solid var(--border-light);
            box-shadow: 0 8px 24px rgba(15, 30, 61, .08);
            padding: 16px 20px;
            flex-direction: column;
            gap: 8px;
            z-index: 99;
        }

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

        .mobile-nav-menu .nav-link {
            padding: 10px 0;
            font-size: 16px;
            border-bottom: 1px solid var(--border-lighter);
        }

        .mobile-nav-menu .nav-link:last-child {
            border-bottom: none;
        }

        /* 分类H1区 */
        .page-header {
            background-color: #FFFFFF;
            border-bottom: 1px solid var(--border-light);
            padding: 48px 0 32px;
        }

        .page-header h1 {
            font-size: 36px;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 12px;
            line-height: 1.3;
        }

        .page-header .lead {
            font-size: 16px;
            color: var(--text-muted);
            max-width: 720px;
            line-height: 1.8;
        }

        .breadcrumb {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 14px;
            color: var(--text-muted);
            margin-bottom: 12px;
        }

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

        /* 筛选条 */
        .filter-bar {
            background-color: #FFFFFF;
            border: 1px solid var(--border-light);
            border-radius: var(--radius-card);
            padding: 16px 20px;
            display: flex;
            flex-wrap: wrap;
            gap: 16px;
            align-items: center;
            box-shadow: var(--shadow-card);
        }

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

        .filter-label {
            font-size: 14px;
            font-weight: 600;
            color: var(--text-muted);
            white-space: nowrap;
            margin-right: 4px;
        }

        .filter-pill {
            padding: 6px 16px;
            border-radius: 20px;
            font-size: 14px;
            font-weight: 500;
            color: var(--text-body);
            background-color: #F8FAFC;
            border: 1px solid var(--border-light);
            transition: all .25s ease;
            white-space: nowrap;
        }

        .filter-pill:hover,
        .filter-pill.active {
            background-color: var(--primary);
            color: #fff;
            border-color: var(--primary);
        }

        /* 攻略卡片 */
        .guide-card {
            background-color: var(--bg-card);
            border-radius: var(--radius-card);
            overflow: hidden;
            box-shadow: var(--shadow-card);
            transition: transform .3s ease, box-shadow .3s ease;
        }

        .guide-card:hover {
            transform: translateY(-6px);
            box-shadow: var(--shadow-card-hover);
        }

        .guide-card-img {
            aspect-ratio: 3 / 2;
            overflow: hidden;
            position: relative;
        }

        .guide-card-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform .4s ease;
        }

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

        .guide-card-body {
            padding: 18px 20px 20px;
        }

        .guide-card-title {
            font-size: 18px;
            font-weight: 700;
            color: var(--text-primary);
            margin: 8px 0 6px;
            line-height: 1.45;
        }

        .guide-card-title a:hover {
            color: var(--primary);
        }

        .guide-card-excerpt {
            font-size: 14px;
            color: var(--text-muted);
            line-height: 1.7;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
            margin-bottom: 12px;
        }

        .guide-card-meta {
            display: flex;
            align-items: center;
            justify-content: space-between;
            font-size: 13px;
            color: var(--text-muted);
            border-top: 1px solid var(--border-lighter);
            padding-top: 12px;
        }

        .guide-card-link {
            font-size: 14px;
            font-weight: 600;
            color: var(--primary);
            transition: color .25s ease;
        }

        .guide-card-link:hover {
            text-decoration: underline;
        }

        /* 难度星级 */
        .difficulty-stars {
            display: inline-flex;
            align-items: center;
            gap: 2px;
            color: var(--accent-orange);
            font-size: 12px;
            letter-spacing: 1px;
        }

        /* 新手入门 */
        .step-card {
            background-color: #FFFFFF;
            border-radius: var(--radius-card);
            padding: 28px;
            box-shadow: var(--shadow-card);
            border-left: 4px solid var(--primary);
            transition: transform .3s ease, box-shadow .3s ease;
        }

        .step-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-card-hover);
        }

        .step-number {
            font-family: var(--font-num);
            font-size: 40px;
            font-weight: 700;
            color: #EBF1FE;
            line-height: 1;
            margin-bottom: 12px;
        }

        .step-card h3 {
            font-size: 18px;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 8px;
        }

        .step-card p {
            font-size: 14px;
            color: var(--text-muted);
            line-height: 1.7;
        }

        /* 高端技巧专栏 */
        .expert-card {
            background-color: var(--bg-card);
            border-radius: var(--radius-card);
            overflow: hidden;
            box-shadow: var(--shadow-card);
            transition: transform .3s ease, box-shadow .3s ease;
            display: flex;
            flex-direction: column;
        }

        .expert-card:hover {
            transform: translateY(-6px);
            box-shadow: var(--shadow-card-hover);
        }

        .expert-card-img {
            aspect-ratio: 16 / 9;
            overflow: hidden;
        }

        .expert-card-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
        }

        .expert-card-body {
            padding: 20px 24px 24px;
            flex: 1;
            display: flex;
            flex-direction: column;
        }

        .expert-card-title {
            font-size: 20px;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 8px;
            line-height: 1.4;
        }

        .expert-card-desc {
            font-size: 14px;
            color: var(--text-muted);
            line-height: 1.7;
            flex: 1;
            margin-bottom: 12px;
        }

        .expert-card-meta {
            display: flex;
            align-items: center;
            justify-content: space-between;
            font-size: 13px;
            color: var(--text-muted);
            border-top: 1px solid var(--border-lighter);
            padding-top: 12px;
        }

        .author-avatar {
            width: 36px;
            height: 36px;
            border-radius: 50%;
            background: linear-gradient(135deg, var(--primary) 0%, var(--accent-cyan) 100%);
            display: inline-flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-size: 16px;
            font-weight: 600;
            flex-shrink: 0;
        }

        /* 版本时间线 */
        .timeline {
            position: relative;
            padding-left: 32px;
        }

        .timeline::before {
            content: "";
            position: absolute;
            left: 10px;
            top: 8px;
            bottom: 8px;
            width: 2px;
            background-color: var(--border-light);
            border-radius: 2px;
        }

        .timeline-item {
            position: relative;
            margin-bottom: 28px;
        }

        .timeline-item:last-child {
            margin-bottom: 0;
        }

        .timeline-dot {
            position: absolute;
            left: -32px;
            top: 6px;
            width: 14px;
            height: 14px;
            border-radius: 50%;
            background-color: var(--primary);
            border: 3px solid #fff;
            box-shadow: 0 0 0 2px var(--primary);
        }

        .timeline-item:first-child .timeline-dot {
            background-color: var(--accent-orange);
            box-shadow: 0 0 0 2px var(--accent-orange);
        }

        .timeline-content {
            background-color: #FFFFFF;
            border-radius: var(--radius-card);
            padding: 18px 22px;
            box-shadow: var(--shadow-card);
            transition: box-shadow .3s ease;
        }

        .timeline-content:hover {
            box-shadow: var(--shadow-card-hover);
        }

        .timeline-version {
            font-size: 15px;
            font-weight: 700;
            color: var(--primary);
            margin-bottom: 4px;
        }

        .timeline-date {
            font-size: 13px;
            color: var(--text-muted);
            margin-bottom: 8px;
        }

        .timeline-desc {
            font-size: 14px;
            color: var(--text-body);
            line-height: 1.7;
        }

        /* 投稿CTA */
        .cta-submit {
            background: linear-gradient(135deg, var(--primary-dark) 0%, var(--primary) 100%);
            border-radius: var(--radius-card);
            padding: 40px;
            text-align: center;
            color: #fff;
            box-shadow: var(--shadow-card-hover);
        }

        .cta-submit h2 {
            font-size: 28px;
            font-weight: 700;
            margin-bottom: 12px;
        }

        .cta-submit p {
            font-size: 15px;
            color: rgba(255, 255, 255, .8);
            margin-bottom: 24px;
            line-height: 1.7;
        }

        /* Footer */
        .footer-site {
            background-color: var(--primary-dark);
            color: rgba(255, 255, 255, .8);
            padding: 48px 0 24px;
            margin-top: 0;
        }

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

        .footer-brand-name {
            font-size: 22px;
            font-weight: 700;
            color: #fff;
            margin-bottom: 10px;
        }

        .footer-brand-desc {
            font-size: 14px;
            line-height: 1.7;
            color: rgba(255, 255, 255, .65);
            max-width: 320px;
        }

        .footer-col-title {
            font-size: 16px;
            font-weight: 700;
            color: #fff;
            margin-bottom: 12px;
        }

        .footer-link {
            display: block;
            font-size: 14px;
            color: rgba(255, 255, 255, .7);
            padding: 4px 0;
            transition: color .25s ease;
        }

        .footer-link:hover {
            color: #fff;
        }

        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, .15);
            padding-top: 20px;
            font-size: 13px;
            color: rgba(255, 255, 255, .55);
            text-align: center;
        }

        /* 响应式 */
        @media (max-width: 1024px) {
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 24px;
            }

            .nav-main {
                gap: 18px;
            }

            .section {
                padding-top: 60px;
                padding-bottom: 60px;
            }
        }

        @media (max-width: 768px) {
            .nav-main {
                display: none;
            }

            .nav-location-btn {
                display: none;
            }

            .nav-hamburger {
                display: flex;
            }

            .page-header h1 {
                font-size: 28px;
            }

            .section {
                padding-top: var(--section-padding-mobile);
                padding-bottom: var(--section-padding-mobile);
            }

            .filter-bar {
                flex-direction: column;
                align-items: flex-start;
                gap: 12px;
            }

            .filter-group {
                width: 100%;
            }

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

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

            .cta-submit h2 {
                font-size: 22px;
            }

            .timeline {
                padding-left: 24px;
            }

            .timeline-dot {
                left: -24px;
                width: 12px;
                height: 12px;
            }
        }

        @media (max-width: 520px) {
            .page-header {
                padding: 32px 0 24px;
            }

            .page-header h1 {
                font-size: 24px;
            }

            .page-header .lead {
                font-size: 14px;
            }

            .guide-card-title {
                font-size: 16px;
            }

            .step-card {
                padding: 20px;
            }

            .expert-card-title {
                font-size: 17px;
            }

            .cta-submit h2 {
                font-size: 20px;
            }

            .btn-primary,
            .btn-secondary {
                padding: 10px 20px;
                font-size: 14px;
            }

            body {
                padding-bottom: 56px;
            }
        }

/* roulang page: category1 */
:root {
            --primary: #2F6FED;
            --primary-dark: #1B3A8C;
            --accent-cyan: #06B6D4;
            --accent-orange: #F97316;
            --accent-orange-hover: #EA580C;
            --bg-page: #F5F8FC;
            --bg-card: #FFFFFF;
            --text-primary: #0F1E3D;
            --text-body: #334155;
            --text-muted: #64748B;
            --border-light: #E8EEF7;
            --border-lighter: #F1F5F9;
            --shadow-card: 0 8px 24px rgba(15, 30, 61, .06);
            --shadow-card-hover: 0 14px 32px rgba(15, 30, 61, .12);
            --radius-card: 16px;
            --radius-btn: 10px;
            --radius-tag: 6px;
            --font-sans: "PingFang SC", "Microsoft YaHei", "Noto Sans SC", system-ui, sans-serif;
            --font-num: "Inter", "Barlow Condensed", system-ui, sans-serif;
            --section-padding: 80px;
            --section-padding-mobile: 48px;
            --container-max: 1200px;
            --nav-height: 68px;
        }
        html {
            scroll-behavior: smooth;
            -webkit-text-size-adjust: 100%;
        }
        body {
            font-family: var(--font-sans);
            background-color: var(--bg-page);
            color: var(--text-primary);
            line-height: 1.8;
            font-size: 16px;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
            margin: 0;
            padding: 0;
        }
        a {
            color: inherit;
            text-decoration: none;
            transition: color .25s ease, background-color .25s ease, border-color .25s ease, box-shadow .25s ease, transform .25s ease;
        }
        a:hover {
            color: var(--primary);
        }
        img {
            max-width: 100%;
            display: block;
        }
        button,
        input,
        select,
        textarea {
            font-family: inherit;
            font-size: inherit;
            line-height: inherit;
        }
        button {
            cursor: pointer;
            border: none;
            background: none;
            transition: background-color .25s ease, color .25s ease, border-color .25s ease, box-shadow .25s ease, transform .25s ease;
        }
        button:focus-visible,
        a:focus-visible,
        input:focus-visible {
            outline: 3px solid rgba(47, 111, 237, .45);
            outline-offset: 2px;
            border-radius: var(--radius-btn);
        }
        .container {
            max-width: var(--container-max);
            margin: 0 auto;
            padding-left: 20px;
            padding-right: 20px;
        }
        .section {
            padding-top: var(--section-padding);
            padding-bottom: var(--section-padding);
        }
        .section-alt {
            background-color: #F8FAFC;
        }
        .section-light-blue {
            background-color: #EBF1FE;
        }
        .text-gradient-primary {
            background: linear-gradient(135deg, var(--primary) 0%, var(--accent-cyan) 100%);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }
        .card-hover {
            transition: transform .3s ease, box-shadow .3s ease;
        }
        .card-hover:hover {
            transform: translateY(-8px);
            box-shadow: var(--shadow-card-hover);
        }
        .btn-primary {
            background-color: var(--accent-orange);
            color: #fff;
            border-radius: var(--radius-btn);
            padding: 12px 28px;
            font-weight: 600;
            font-size: 16px;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            transition: background-color .25s ease, transform .25s ease, box-shadow .25s ease;
            box-shadow: 0 4px 14px rgba(249, 115, 22, .3);
        }
        .btn-primary:hover {
            background-color: var(--accent-orange-hover);
            transform: translateY(-2px);
            box-shadow: 0 8px 20px rgba(249, 115, 22, .4);
            color: #fff;
        }
        .btn-secondary {
            background-color: transparent;
            color: var(--primary);
            border: 1.5px solid var(--primary);
            border-radius: var(--radius-btn);
            padding: 11px 26px;
            font-weight: 600;
            font-size: 16px;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            transition: background-color .25s ease, color .25s ease, transform .25s ease;
        }
        .btn-secondary:hover {
            background-color: #EBF1FE;
            transform: translateY(-2px);
            color: var(--primary);
        }
        .btn-white-outline {
            background-color: transparent;
            color: #fff;
            border: 1.5px solid rgba(255, 255, 255, .7);
            border-radius: var(--radius-btn);
            padding: 11px 26px;
            font-weight: 600;
            font-size: 16px;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            transition: background-color .25s ease, color .25s ease, border-color .25s ease;
        }
        .btn-white-outline:hover {
            background-color: #EBF1FE;
            color: var(--primary);
            border-color: #EBF1FE;
        }
        .tag {
            display: inline-block;
            padding: 4px 12px;
            border-radius: var(--radius-tag);
            font-size: 13px;
            font-weight: 500;
            line-height: 1.5;
        }
        .tag-primary {
            background-color: #EBF1FE;
            color: var(--primary);
        }
        .tag-cyan {
            background-color: #E0F7FA;
            color: #0284C7;
        }
        .tag-orange {
            background-color: #FFF3E8;
            color: var(--accent-orange);
        }
        .badge-hot {
            background-color: #FEE2E2;
            color: #DC2626;
            padding: 3px 10px;
            border-radius: 6px;
            font-size: 12px;
            font-weight: 600;
        }
        .badge-new {
            background-color: #D1FAE5;
            color: #059669;
            padding: 3px 10px;
            border-radius: 6px;
            font-size: 12px;
            font-weight: 600;
        }
        .nav-main {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 1000;
            background-color: #fff;
            border-bottom: 1px solid var(--border-light);
            height: var(--nav-height);
            display: flex;
            align-items: center;
            justify-content: center;
        }
        .nav-inner {
            max-width: var(--container-max);
            width: 100%;
            padding-left: 20px;
            padding-right: 20px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
        }
        .nav-logo {
            display: flex;
            align-items: center;
            gap: 10px;
            font-weight: 700;
            font-size: 20px;
            color: var(--text-primary);
            flex-shrink: 0;
        }
        .nav-logo:hover {
            color: var(--primary);
        }
        .nav-logo-icon {
            width: 36px;
            height: 36px;
            background: linear-gradient(135deg, var(--primary), var(--accent-cyan));
            border-radius: 8px;
            display: flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-size: 18px;
            font-weight: 700;
        }
        .nav-links {
            display: flex;
            align-items: center;
            gap: 8px;
            flex-wrap: wrap;
        }
        .nav-link {
            padding: 8px 16px;
            font-size: 15px;
            font-weight: 500;
            color: var(--text-body);
            border-radius: 8px;
            position: relative;
            transition: color .2s ease, background-color .2s ease;
            white-space: nowrap;
        }
        .nav-link:hover {
            color: var(--primary);
            background-color: #F5F8FC;
        }
        .nav-link.active {
            color: var(--primary);
        }
        .nav-link.active::after {
            content: '';
            position: absolute;
            bottom: -6px;
            left: 50%;
            transform: translateX(-50%);
            width: 28px;
            height: 3px;
            background-color: var(--primary);
            border-radius: 2px;
        }
        .nav-locator {
            position: relative;
            flex-shrink: 0;
        }
        .nav-locator-btn {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 8px 16px;
            font-size: 14px;
            font-weight: 500;
            color: var(--primary);
            background-color: #EBF1FE;
            border-radius: 8px;
            border: 1px solid #D6E4FF;
            transition: background-color .2s ease;
            white-space: nowrap;
        }
        .nav-locator-btn:hover {
            background-color: #D6E4FF;
        }
        .nav-locator-dropdown {
            position: absolute;
            top: 48px;
            right: 0;
            background: #fff;
            border-radius: 12px;
            box-shadow: var(--shadow-card-hover);
            border: 1px solid var(--border-light);
            padding: 16px;
            display: none;
            min-width: 260px;
            z-index: 1100;
        }
        .nav-locator-dropdown.open {
            display: block;
        }
        .nav-locator-dropdown .city-grid {
            display: flex;
            flex-wrap: wrap;
            gap: 8px;
        }
        .nav-locator-dropdown .city-item {
            padding: 6px 14px;
            font-size: 13px;
            background-color: #F5F8FC;
            border-radius: 6px;
            color: var(--text-body);
            cursor: pointer;
            transition: background-color .2s ease, color .2s ease;
        }
        .nav-locator-dropdown .city-item:hover {
            background-color: #EBF1FE;
            color: var(--primary);
        }
        .nav-hamburger {
            display: none;
            flex-direction: column;
            gap: 5px;
            padding: 8px;
            border-radius: 8px;
            background: none;
            border: none;
            cursor: pointer;
        }
        .nav-hamburger span {
            display: block;
            width: 26px;
            height: 3px;
            background-color: var(--text-primary);
            border-radius: 2px;
            transition: all .25s ease;
        }
        .nav-mobile-locator {
            display: none;
            padding: 8px 20px;
            overflow-x: auto;
            white-space: nowrap;
            gap: 8px;
            background-color: #F8FAFC;
            border-bottom: 1px solid var(--border-light);
            -webkit-overflow-scrolling: touch;
        }
        .nav-mobile-locator .city-item {
            display: inline-block;
            padding: 5px 14px;
            font-size: 13px;
            background-color: #fff;
            border: 1px solid var(--border-light);
            border-radius: 6px;
            color: var(--text-body);
            cursor: pointer;
            flex-shrink: 0;
        }
        .mobile-nav-open .nav-links {
            display: flex;
            flex-direction: column;
            align-items: stretch;
            position: fixed;
            top: var(--nav-height);
            left: 0;
            right: 0;
            background: #fff;
            padding: 16px 20px;
            box-shadow: var(--shadow-card);
            z-index: 999;
            gap: 4px;
        }
        .mobile-nav-open .nav-link {
            padding: 12px 16px;
            border-radius: 8px;
        }
        .mobile-nav-open .nav-link.active::after {
            display: none;
        }
        .footer-site {
            background-color: var(--primary-dark);
            color: rgba(255, 255, 255, .85);
            padding-top: 48px;
            padding-bottom: 32px;
            margin-top: 0;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 1.4fr 1fr 1fr 1fr;
            gap: 40px;
            margin-bottom: 32px;
        }
        .footer-brand-name {
            color: #fff;
            font-size: 22px;
            font-weight: 700;
            margin-bottom: 12px;
        }
        .footer-brand-desc {
            font-size: 14px;
            line-height: 1.8;
            color: rgba(255, 255, 255, .7);
            max-width: 320px;
        }
        .footer-col-title {
            color: #fff;
            font-size: 16px;
            font-weight: 600;
            margin-bottom: 12px;
        }
        .footer-link {
            display: block;
            color: rgba(255, 255, 255, .7);
            font-size: 14px;
            margin-bottom: 8px;
            transition: color .2s ease;
        }
        .footer-link:hover {
            color: #fff;
        }
        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, .15);
            padding-top: 20px;
            font-size: 13px;
            color: rgba(255, 255, 255, .5);
            text-align: center;
        }
        @media (max-width: 1024px) {
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 28px;
            }
            .section {
                padding-top: 60px;
                padding-bottom: 60px;
            }
        }
        @media (max-width: 768px) {
            .nav-hamburger {
                display: flex;
            }
            .nav-links {
                display: none;
            }
            .nav-locator {
                display: none;
            }
            .nav-mobile-locator {
                display: flex;
                position: fixed;
                top: var(--nav-height);
                left: 0;
                right: 0;
                z-index: 998;
            }
            .mobile-nav-open .nav-links {
                display: flex;
                flex-direction: column;
                align-items: stretch;
                position: fixed;
                top: calc(var(--nav-height) + 42px);
                left: 0;
                right: 0;
                background: #fff;
                padding: 16px 20px;
                box-shadow: var(--shadow-card);
                z-index: 999;
                gap: 4px;
                border-bottom: 1px solid var(--border-light);
                max-height: 60vh;
                overflow-y: auto;
            }
            .mobile-nav-open .nav-link {
                padding: 14px 16px;
                border-radius: 8px;
                font-size: 16px;
            }
            .section {
                padding-top: var(--section-padding-mobile);
                padding-bottom: var(--section-padding-mobile);
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 24px;
            }
            .footer-brand-desc {
                max-width: 100%;
            }
            body {
                padding-top: var(--nav-height);
            }
        }
        @media (max-width: 480px) {
            .nav-logo {
                font-size: 17px;
                gap: 6px;
            }
            .nav-logo-icon {
                width: 30px;
                height: 30px;
                font-size: 15px;
            }
            .container {
                padding-left: 14px;
                padding-right: 14px;
            }
            .section {
                padding-top: 40px;
                padding-bottom: 40px;
            }
        }
        main {
            padding-top: var(--nav-height);
        }
        .guide-card {
            background: var(--bg-card);
            border-radius: var(--radius-card);
            box-shadow: var(--shadow-card);
            overflow: hidden;
            transition: transform .3s ease, box-shadow .3s ease;
        }
        .guide-card:hover {
            transform: translateY(-6px);
            box-shadow: var(--shadow-card-hover);
        }
        .guide-card .card-img-wrap {
            position: relative;
            overflow: hidden;
            aspect-ratio: 3/2;
        }
        .guide-card .card-img-wrap img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform .4s ease;
        }
        .guide-card:hover .card-img-wrap img {
            transform: scale(1.05);
        }
        .guide-card .card-body {
            padding: 20px 22px 24px;
        }
        .guide-card .card-title {
            font-size: 18px;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 10px;
            line-height: 1.5;
        }
        .guide-card .card-desc {
            font-size: 14px;
            color: var(--text-muted);
            line-height: 1.7;
            margin-bottom: 16px;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }
        .guide-card .card-meta {
            display: flex;
            align-items: center;
            flex-wrap: wrap;
            gap: 8px;
            margin-bottom: 14px;
        }
        .guide-card .read-more {
            font-size: 14px;
            font-weight: 600;
            color: var(--primary);
            display: inline-flex;
            align-items: center;
            gap: 4px;
            transition: gap .2s ease;
        }
        .guide-card .read-more:hover {
            gap: 8px;
        }
        .filter-bar {
            background: #fff;
            border-radius: 14px;
            padding: 18px 22px;
            box-shadow: var(--shadow-card);
            border: 1px solid var(--border-light);
            display: flex;
            flex-wrap: wrap;
            gap: 24px;
            align-items: center;
        }
        .filter-group {
            display: flex;
            align-items: center;
            flex-wrap: wrap;
            gap: 8px;
        }
        .filter-group-label {
            font-size: 14px;
            font-weight: 600;
            color: var(--text-body);
            margin-right: 4px;
            white-space: nowrap;
        }
        .filter-pill {
            padding: 6px 16px;
            font-size: 13px;
            font-weight: 500;
            border-radius: 20px;
            background-color: #F5F8FC;
            color: var(--text-body);
            border: 1px solid var(--border-light);
            cursor: pointer;
            transition: all .2s ease;
            white-space: nowrap;
        }
        .filter-pill:hover {
            background-color: #EBF1FE;
            color: var(--primary);
        }
        .filter-pill.active {
            background-color: var(--primary);
            color: #fff;
            border-color: var(--primary);
        }
        .step-card {
            background: #fff;
            border-radius: var(--radius-card);
            padding: 28px 26px;
            box-shadow: var(--shadow-card);
            border-left: 4px solid var(--primary);
        }
        .step-card .step-num {
            width: 44px;
            height: 44px;
            border-radius: 50%;
            background: var(--primary);
            color: #fff;
            font-weight: 700;
            font-size: 20px;
            display: flex;
            align-items: center;
            justify-content: center;
            margin-bottom: 14px;
        }
        .pro-card {
            background: #fff;
            border-radius: var(--radius-card);
            padding: 24px;
            box-shadow: var(--shadow-card);
            display: flex;
            gap: 18px;
            align-items: flex-start;
            transition: transform .3s ease, box-shadow .3s ease;
        }
        .pro-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-card-hover);
        }
        .pro-avatar {
            width: 56px;
            height: 56px;
            border-radius: 50%;
            background: linear-gradient(135deg, var(--primary), var(--accent-cyan));
            display: flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-weight: 700;
            font-size: 22px;
            flex-shrink: 0;
        }
        .timeline-item {
            position: relative;
            padding-left: 32px;
            padding-bottom: 28px;
        }
        .timeline-item::before {
            content: '';
            position: absolute;
            left: 8px;
            top: 8px;
            bottom: -4px;
            width: 2px;
            background-color: var(--border-light);
        }
        .timeline-item:last-child::before {
            display: none;
        }
        .timeline-item::after {
            content: '';
            position: absolute;
            left: 2px;
            top: 6px;
            width: 14px;
            height: 14px;
            border-radius: 50%;
            background-color: var(--primary);
            border: 3px solid #fff;
            box-shadow: 0 0 0 3px rgba(47, 111, 237, .3);
        }
        .timeline-item .version-tag {
            font-weight: 700;
            font-size: 16px;
            color: var(--primary);
            margin-bottom: 4px;
        }
        .timeline-item .version-date {
            font-size: 13px;
            color: var(--text-muted);
            margin-bottom: 6px;
        }
        .timeline-item .version-desc {
            font-size: 14px;
            color: var(--text-body);
            line-height: 1.7;
        }
        .cta-card {
            background: linear-gradient(135deg, var(--primary-dark) 0%, var(--primary) 100%);
            border-radius: var(--radius-card);
            padding: 48px 36px;
            text-align: center;
            color: #fff;
        }
        .cta-card h2 {
            color: #fff;
            font-size: 28px;
            font-weight: 700;
            margin-bottom: 12px;
        }
        .cta-card p {
            color: rgba(255, 255, 255, .85);
            font-size: 16px;
            margin-bottom: 24px;
            max-width: 520px;
            margin-left: auto;
            margin-right: auto;
        }

/* roulang page: category3 */
:root {
            --primary: #2F6FED;
            --primary-dark: #1B3A8C;
            --accent-cyan: #06B6D4;
            --accent-orange: #F97316;
            --accent-orange-hover: #EA580C;
            --bg-page: #F5F8FC;
            --bg-card: #FFFFFF;
            --text-primary: #0F1E3D;
            --text-body: #334155;
            --text-muted: #64748B;
            --border-light: #E8EEF7;
            --border-lighter: #F1F5F9;
            --shadow-card: 0 8px 24px rgba(15, 30, 61, .06);
            --shadow-card-hover: 0 14px 32px rgba(15, 30, 61, .12);
            --radius-card: 16px;
            --radius-btn: 10px;
            --radius-tag: 6px;
            --font-sans: "PingFang SC", "Microsoft YaHei", "Noto Sans SC", system-ui, sans-serif;
            --font-num: "Inter", "Barlow Condensed", system-ui, sans-serif;
            --section-padding: 80px;
            --section-padding-mobile: 48px;
            --container-max: 1200px;
            --nav-height: 68px;
        }
        html {
            scroll-behavior: smooth;
            -webkit-text-size-adjust: 100%;
        }
        body {
            font-family: var(--font-sans);
            background-color: var(--bg-page);
            color: var(--text-primary);
            line-height: 1.8;
            font-size: 16px;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
            padding-bottom: 80px;
        }
        a {
            color: inherit;
            text-decoration: none;
            transition: color .25s ease, background-color .25s ease, border-color .25s ease, box-shadow .25s ease, transform .25s ease;
        }
        a:hover {
            color: var(--primary);
        }
        img {
            max-width: 100%;
            display: block;
        }
        button,
        input,
        select,
        textarea {
            font-family: inherit;
            font-size: inherit;
            line-height: inherit;
        }
        button {
            cursor: pointer;
            border: none;
            background: none;
            transition: background-color .25s ease, color .25s ease, border-color .25s ease, box-shadow .25s ease, transform .25s ease;
        }
        button:focus-visible,
        a:focus-visible,
        input:focus-visible {
            outline: 3px solid rgba(47, 111, 237, .45);
            outline-offset: 2px;
            border-radius: var(--radius-btn);
        }
        .container {
            max-width: var(--container-max);
            margin: 0 auto;
            padding-left: 20px;
            padding-right: 20px;
        }
        .section {
            padding-top: var(--section-padding);
            padding-bottom: var(--section-padding);
        }
        .section-alt {
            background-color: #F8FAFC;
        }
        .section-light-blue {
            background-color: #EBF1FE;
        }
        .card-hover {
            transition: transform .3s ease, box-shadow .3s ease;
        }
        .card-hover:hover {
            transform: translateY(-8px);
            box-shadow: var(--shadow-card-hover);
        }
        .btn-primary {
            background-color: var(--accent-orange);
            color: #fff;
            border-radius: var(--radius-btn);
            padding: 12px 28px;
            font-weight: 600;
            font-size: 16px;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            transition: background-color .25s ease, transform .25s ease, box-shadow .25s ease;
            box-shadow: 0 4px 14px rgba(249, 115, 22, .3);
        }
        .btn-primary:hover {
            background-color: var(--accent-orange-hover);
            transform: translateY(-2px);
            box-shadow: 0 8px 20px rgba(249, 115, 22, .4);
        }
        .btn-secondary {
            background-color: transparent;
            color: var(--primary);
            border: 1.5px solid var(--primary);
            border-radius: var(--radius-btn);
            padding: 11px 26px;
            font-weight: 600;
            font-size: 16px;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            transition: background-color .25s ease, color .25s ease, transform .25s ease;
        }
        .btn-secondary:hover {
            background-color: #EBF1FE;
            transform: translateY(-2px);
        }
        .tag {
            display: inline-block;
            padding: 4px 12px;
            border-radius: var(--radius-tag);
            font-size: 13px;
            font-weight: 500;
            line-height: 1.5;
        }
        .tag-primary {
            background-color: #EBF1FE;
            color: var(--primary);
        }
        .tag-cyan {
            background-color: #E0F7FA;
            color: #0284C7;
        }
        .tag-orange {
            background-color: #FFF3E8;
            color: var(--accent-orange);
        }
        .badge-news {
            background-color: #EBF1FE;
            color: var(--primary);
            padding: 3px 10px;
            border-radius: 6px;
            font-size: 12px;
            font-weight: 600;
        }
        .nav-main {
            display: flex;
            align-items: center;
            gap: 36px;
            height: 100%;
        }
        .nav-link {
            position: relative;
            font-size: 15px;
            font-weight: 500;
            color: var(--text-body);
            padding: 20px 0;
            display: inline-flex;
            align-items: center;
            white-space: nowrap;
            transition: color .25s ease;
        }
        .nav-link:hover {
            color: var(--primary);
        }
        .nav-link.active {
            color: var(--primary);
            font-weight: 600;
        }
        .nav-link.active::after {
            content: '';
            position: absolute;
            bottom: -1px;
            left: 0;
            right: 0;
            height: 3px;
            background-color: var(--primary);
            border-radius: 3px 3px 0 0;
        }
        .header-site {
            position: sticky;
            top: 0;
            z-index: 50;
            background-color: #fff;
            border-bottom: 1px solid var(--border-light);
            height: var(--nav-height);
            box-shadow: 0 2px 12px rgba(15, 30, 61, .04);
        }
        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 100%;
        }
        .logo-brand {
            display: flex;
            align-items: center;
            gap: 12px;
            font-weight: 700;
            font-size: 20px;
            color: var(--primary-dark);
        }
        .logo-icon {
            width: 36px;
            height: 36px;
            background: linear-gradient(135deg, var(--primary) 0%, var(--accent-cyan) 100%);
            border-radius: 10px;
            display: flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-size: 18px;
            flex-shrink: 0;
        }
        .location-trigger {
            display: flex;
            align-items: center;
            gap: 8px;
            background-color: #F8FAFC;
            border: 1px solid var(--border-light);
            border-radius: 999px;
            padding: 8px 18px;
            font-size: 14px;
            font-weight: 500;
            color: var(--text-body);
            transition: all .25s ease;
        }
        .location-trigger:hover {
            border-color: var(--primary);
            color: var(--primary);
            background-color: #EBF1FE;
        }
        .mobile-menu-btn {
            display: none;
            width: 44px;
            height: 44px;
            border-radius: 10px;
            border: 1px solid var(--border-light);
            align-items: center;
            justify-content: center;
            font-size: 22px;
            color: var(--text-primary);
        }
        .mobile-menu {
            display: none;
            position: fixed;
            top: var(--nav-height);
            left: 0;
            right: 0;
            background: #fff;
            border-bottom: 1px solid var(--border-light);
            padding: 16px 20px 20px;
            z-index: 49;
            box-shadow: 0 12px 28px rgba(15, 30, 61, .1);
        }
        .mobile-menu.active {
            display: block;
        }
        .mobile-nav-link {
            display: block;
            padding: 12px 16px;
            border-radius: 10px;
            font-size: 16px;
            font-weight: 500;
            color: var(--text-body);
            transition: all .25s ease;
        }
        .mobile-nav-link:hover,
        .mobile-nav-link.active {
            background-color: #EBF1FE;
            color: var(--primary);
        }
        .footer-site {
            background-color: var(--primary-dark);
            color: #E2E8F0;
            padding-top: 56px;
            padding-bottom: 32px;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1fr;
            gap: 40px;
            margin-bottom: 40px;
        }
        .footer-brand-name {
            font-size: 20px;
            font-weight: 700;
            color: #fff;
            margin-bottom: 12px;
        }
        .footer-brand-desc {
            font-size: 14px;
            line-height: 1.8;
            color: #CBD5E1;
            max-width: 360px;
        }
        .footer-col-title {
            font-size: 15px;
            font-weight: 600;
            color: #fff;
            margin-bottom: 16px;
        }
        .footer-link {
            display: block;
            font-size: 14px;
            color: #94A3B8;
            padding: 6px 0;
            transition: color .25s ease;
        }
        .footer-link:hover {
            color: #fff;
        }
        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, .1);
            padding-top: 20px;
            font-size: 13px;
            color: #94A3B8;
            text-align: center;
        }
        .news-card {
            background: var(--bg-card);
            border-radius: var(--radius-card);
            box-shadow: var(--shadow-card);
            overflow: hidden;
            transition: transform .3s ease, box-shadow .3s ease;
        }
        .news-card:hover {
            transform: translateY(-6px);
            box-shadow: var(--shadow-card-hover);
        }
        .news-card-image {
            width: 100%;
            aspect-ratio: 16/9;
            object-fit: cover;
            background-color: #E2E8F0;
        }
        .news-card-body {
            padding: 22px 20px;
        }
        .filter-pill {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 8px 20px;
            border-radius: 999px;
            background-color: #F1F5F9;
            color: var(--text-body);
            font-size: 14px;
            font-weight: 500;
            transition: all .25s ease;
            border: 1px solid transparent;
        }
        .filter-pill:hover {
            background-color: #EBF1FE;
            color: var(--primary);
        }
        .filter-pill.active {
            background-color: var(--primary);
            color: #fff;
            border-color: var(--primary);
        }
        .sub-news-item {
            display: flex;
            gap: 16px;
            padding: 14px 0;
            border-bottom: 1px solid var(--border-lighter);
            cursor: pointer;
            transition: background-color .25s ease;
        }
        .sub-news-item:hover {
            background-color: #F8FAFC;
        }
        .sub-news-thumb {
            width: 96px;
            height: 64px;
            border-radius: 10px;
            object-fit: cover;
            flex-shrink: 0;
        }
        .deep-card-dark {
            background: linear-gradient(145deg, var(--primary-dark) 0%, #1E3B8C 100%);
            color: #fff;
            border-radius: var(--radius-card);
            padding: 28px 24px;
            box-shadow: 0 10px 28px rgba(27, 58, 140, .25);
            transition: transform .3s ease, box-shadow .3s ease;
        }
        .deep-card-dark:hover {
            transform: translateY(-6px);
            box-shadow: 0 18px 40px rgba(27, 58, 140, .35);
        }
        .deep-card-border {
            background: var(--bg-card);
            border: 2px solid var(--primary);
            border-radius: var(--radius-card);
            padding: 28px 24px;
            box-shadow: var(--shadow-card);
            transition: transform .3s ease, box-shadow .3s ease;
        }
        .deep-card-border:hover {
            transform: translateY(-6px);
            box-shadow: var(--shadow-card-hover);
        }
        .highlight-scroll {
            display: flex;
            gap: 20px;
            overflow-x: auto;
            scroll-snap-type: x mandatory;
            padding-bottom: 16px;
            -webkit-overflow-scrolling: touch;
        }
        .highlight-scroll::-webkit-scrollbar {
            height: 6px;
        }
        .highlight-scroll::-webkit-scrollbar-track {
            background: #F1F5F9;
            border-radius: 3px;
        }
        .highlight-scroll::-webkit-scrollbar-thumb {
            background: #CBD5E1;
            border-radius: 3px;
        }
        .highlight-card {
            flex: 0 0 300px;
            scroll-snap-align: start;
            border-radius: var(--radius-card);
            overflow: hidden;
            background: var(--bg-card);
            box-shadow: var(--shadow-card);
            transition: transform .3s ease, box-shadow .3s ease;
        }
        .highlight-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-card-hover);
        }
        .highlight-image {
            width: 100%;
            aspect-ratio: 16/10;
            object-fit: cover;
        }
        .team-update-card {
            background: var(--bg-card);
            border-radius: var(--radius-card);
            padding: 20px;
            box-shadow: var(--shadow-card);
            border-left: 4px solid var(--accent-cyan);
            transition: transform .3s ease, box-shadow .3s ease;
        }
        .team-update-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-card-hover);
        }
        .subscribe-card {
            background: linear-gradient(135deg, var(--primary-dark) 0%, var(--primary) 60%, var(--accent-cyan) 100%);
            border-radius: 20px;
            padding: 48px 40px;
            color: #fff;
            box-shadow: 0 16px 40px rgba(47, 111, 237, .3);
            text-align: center;
        }
        .subscribe-input {
            flex: 1;
            min-width: 0;
            padding: 12px 18px;
            border-radius: 10px;
            border: 1.5px solid rgba(255, 255, 255, .3);
            background-color: rgba(255, 255, 255, .15);
            color: #fff;
            font-size: 15px;
            outline: none;
            transition: border-color .25s ease, background-color .25s ease;
        }
        .subscribe-input::placeholder {
            color: rgba(255, 255, 255, .7);
        }
        .subscribe-input:focus {
            border-color: #fff;
            background-color: rgba(255, 255, 255, .25);
        }
        .breadcrumb {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 14px;
            color: var(--text-muted);
            margin-bottom: 12px;
        }
        .breadcrumb a {
            color: var(--text-muted);
        }
        .breadcrumb a:hover {
            color: var(--primary);
        }
        .breadcrumb span {
            color: var(--text-primary);
            font-weight: 500;
        }
        .section-heading {
            font-size: 32px;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 16px;
            letter-spacing: -0.5px;
        }
        .section-subheading {
            font-size: 16px;
            color: var(--text-muted);
            max-width: 720px;
            line-height: 1.8;
        }
        @media (max-width: 1024px) {
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 28px;
            }
        }
        @media (max-width: 768px) {
            .nav-main {
                display: none;
            }
            .location-trigger {
                display: none;
            }
            .mobile-menu-btn {
                display: inline-flex;
            }
            .section {
                padding-top: var(--section-padding-mobile);
                padding-bottom: var(--section-padding-mobile);
            }
            .section-heading {
                font-size: 26px;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 24px;
            }
            .subscribe-card {
                padding: 32px 20px;
            }
            .highlight-card {
                flex: 0 0 260px;
            }
        }
        @media (max-width: 520px) {
            .section-heading {
                font-size: 22px;
            }
            .btn-primary,
            .btn-secondary {
                padding: 10px 20px;
                font-size: 14px;
            }
            .highlight-card {
                flex: 0 0 220px;
            }
        }

/* roulang page: category4 */
:root {
            --primary: #2F6FED;
            --primary-dark: #1B3A8C;
            --accent-cyan: #06B6D4;
            --accent-orange: #F97316;
            --accent-orange-hover: #EA580C;
            --bg-page: #F5F8FC;
            --bg-card: #FFFFFF;
            --text-primary: #0F1E3D;
            --text-body: #334155;
            --text-muted: #64748B;
            --border-light: #E8EEF7;
            --border-lighter: #F1F5F9;
            --shadow-card: 0 8px 24px rgba(15, 30, 61, .06);
            --shadow-card-hover: 0 14px 32px rgba(15, 30, 61, .12);
            --radius-card: 16px;
            --radius-btn: 10px;
            --radius-tag: 6px;
            --font-sans: "PingFang SC", "Microsoft YaHei", "Noto Sans SC", system-ui, sans-serif;
            --font-num: "Inter", "Barlow Condensed", system-ui, sans-serif;
            --section-padding: 80px;
            --section-padding-mobile: 48px;
            --container-max: 1200px;
            --nav-height: 68px;
        }

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

        body {
            font-family: var(--font-sans);
            background-color: var(--bg-page);
            color: var(--text-primary);
            line-height: 1.8;
            font-size: 16px;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
            padding-bottom: 80px;
        }

        a {
            color: inherit;
            text-decoration: none;
            transition: color .25s ease, background-color .25s ease, border-color .25s ease, box-shadow .25s ease, transform .25s ease;
        }

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

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

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

        button {
            cursor: pointer;
            border: none;
            background: none;
            transition: background-color .25s ease, color .25s ease, border-color .25s ease, box-shadow .25s ease, transform .25s ease;
        }

        button:focus-visible,
        a:focus-visible,
        input:focus-visible {
            outline: 3px solid rgba(47, 111, 237, .45);
            outline-offset: 2px;
            border-radius: var(--radius-btn);
        }

        .container {
            max-width: var(--container-max);
            margin: 0 auto;
            padding-left: 20px;
            padding-right: 20px;
        }

        .section {
            padding-top: var(--section-padding);
            padding-bottom: var(--section-padding);
        }

        .section-alt {
            background-color: #F8FAFC;
        }

        .section-light-blue {
            background-color: #EBF1FE;
        }

        .text-gradient-primary {
            background: linear-gradient(135deg, var(--primary) 0%, var(--accent-cyan) 100%);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }

        .card-hover {
            transition: transform .3s ease, box-shadow .3s ease;
        }

        .card-hover:hover {
            transform: translateY(-8px);
            box-shadow: var(--shadow-card-hover);
        }

        .btn-primary {
            background-color: var(--accent-orange);
            color: #fff;
            border-radius: var(--radius-btn);
            padding: 12px 28px;
            font-weight: 600;
            font-size: 16px;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            transition: background-color .25s ease, transform .25s ease, box-shadow .25s ease;
            box-shadow: 0 4px 14px rgba(249, 115, 22, .3);
        }

        .btn-primary:hover {
            background-color: var(--accent-orange-hover);
            transform: translateY(-2px);
            box-shadow: 0 8px 20px rgba(249, 115, 22, .4);
            color: #fff;
        }

        .btn-secondary {
            background-color: transparent;
            color: var(--primary);
            border: 1.5px solid var(--primary);
            border-radius: var(--radius-btn);
            padding: 11px 26px;
            font-weight: 600;
            font-size: 16px;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            transition: background-color .25s ease, color .25s ease, transform .25s ease;
        }

        .btn-secondary:hover {
            background-color: #EBF1FE;
            transform: translateY(-2px);
            color: var(--primary);
        }

        .btn-white-outline {
            background-color: transparent;
            color: #fff;
            border: 1.5px solid rgba(255, 255, 255, .7);
            border-radius: var(--radius-btn);
            padding: 11px 26px;
            font-weight: 600;
            font-size: 16px;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            transition: background-color .25s ease, color .25s ease, border-color .25s ease;
        }

        .btn-white-outline:hover {
            background-color: #EBF1FE;
            color: var(--primary);
            border-color: #EBF1FE;
        }

        .tag {
            display: inline-block;
            padding: 4px 12px;
            border-radius: var(--radius-tag);
            font-size: 13px;
            font-weight: 500;
            line-height: 1.5;
        }

        .tag-primary {
            background-color: #EBF1FE;
            color: var(--primary);
        }

        .tag-cyan {
            background-color: #E0F7FA;
            color: #0284C7;
        }

        .tag-orange {
            background-color: #FFF3E8;
            color: var(--accent-orange);
        }

        .badge-hot {
            background-color: #FEE2E2;
            color: #DC2626;
            padding: 3px 10px;
            border-radius: 6px;
            font-size: 12px;
            font-weight: 600;
        }

        .badge-new {
            background-color: #E0F7FA;
            color: #0284C7;
            padding: 3px 10px;
            border-radius: 6px;
            font-size: 12px;
            font-weight: 600;
        }

        /* 导航样式 */
        .nav-main {
            position: sticky;
            top: 0;
            z-index: 50;
            background-color: rgba(255, 255, 255, 0.96);
            border-bottom: 1px solid var(--border-light);
            height: var(--nav-height);
            display: flex;
            align-items: center;
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
        }

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

        .nav-logo {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 20px;
            font-weight: 700;
            color: var(--text-primary);
            white-space: nowrap;
            line-height: 1.2;
        }

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

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

        .nav-links {
            display: flex;
            align-items: center;
            gap: 4px;
        }

        .nav-link {
            padding: 8px 14px;
            font-size: 15px;
            font-weight: 500;
            color: var(--text-body);
            border-radius: 8px;
            position: relative;
            white-space: nowrap;
            transition: color .25s ease, background-color .25s ease;
        }

        .nav-link:hover {
            color: var(--primary);
            background-color: #F5F8FC;
        }

        .nav-link.active {
            color: var(--primary);
            font-weight: 600;
        }

        .nav-link.active::after {
            content: '';
            position: absolute;
            bottom: -4px;
            left: 50%;
            transform: translateX(-50%);
            width: 24px;
            height: 3px;
            background-color: var(--primary);
            border-radius: 2px;
        }

        .nav-locate {
            display: flex;
            align-items: center;
            gap: 6px;
            padding: 8px 14px;
            font-size: 14px;
            font-weight: 500;
            color: var(--text-body);
            background-color: #F8FAFC;
            border: 1px solid var(--border-light);
            border-radius: 20px;
            cursor: pointer;
            transition: all .25s ease;
            white-space: nowrap;
        }

        .nav-locate:hover {
            border-color: var(--primary);
            color: var(--primary);
            background-color: #EBF1FE;
        }

        .nav-menu-toggle {
            display: none;
            flex-direction: column;
            gap: 5px;
            padding: 8px;
            border-radius: 8px;
            background: transparent;
            border: 1px solid var(--border-light);
        }

        .nav-menu-toggle span {
            display: block;
            width: 22px;
            height: 2px;
            background-color: var(--text-primary);
            border-radius: 2px;
            transition: all .3s ease;
        }

        .mobile-locate-row {
            display: none;
            background-color: #fff;
            border-bottom: 1px solid var(--border-light);
            padding: 8px 0;
            overflow-x: auto;
            -webkit-overflow-scrolling: touch;
            white-space: nowrap;
        }

        .mobile-locate-row::-webkit-scrollbar {
            display: none;
        }

        .mobile-locate-row .city-chip {
            display: inline-flex;
            align-items: center;
            gap: 4px;
            padding: 6px 14px;
            font-size: 13px;
            font-weight: 500;
            color: var(--text-body);
            background-color: #F8FAFC;
            border: 1px solid var(--border-light);
            border-radius: 20px;
            margin-right: 8px;
            cursor: pointer;
            transition: all .2s ease;
        }

        .mobile-locate-row .city-chip:hover,
        .mobile-locate-row .city-chip.active {
            background-color: #EBF1FE;
            color: var(--primary);
            border-color: var(--primary);
        }

        /* 下拉面板 */
        .dropdown-panel {
            position: absolute;
            top: calc(100% + 10px);
            right: 0;
            width: 260px;
            background-color: #fff;
            border-radius: 16px;
            box-shadow: 0 20px 40px rgba(15, 30, 61, .14);
            border: 1px solid var(--border-light);
            padding: 16px;
            display: none;
            z-index: 60;
        }

        .dropdown-panel.show {
            display: block;
        }

        .dropdown-panel .city-item {
            display: inline-flex;
            align-items: center;
            padding: 7px 14px;
            font-size: 14px;
            color: var(--text-body);
            background-color: #F8FAFC;
            border-radius: 8px;
            margin: 4px;
            cursor: pointer;
            transition: all .2s ease;
        }

        .dropdown-panel .city-item:hover {
            background-color: #EBF1FE;
            color: var(--primary);
        }

        /* 分类页头部区 */
        .category-header {
            background-color: #fff;
            border-bottom: 1px solid var(--border-light);
            padding: 48px 0 40px;
        }

        .category-header .breadcrumb {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 14px;
            color: var(--text-muted);
            margin-bottom: 16px;
            flex-wrap: wrap;
        }

        .category-header .breadcrumb a {
            color: var(--text-muted);
            transition: color .25s ease;
        }

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

        .category-header .breadcrumb .separator {
            color: #CBD5E1;
        }

        .category-header .breadcrumb .current {
            color: var(--primary);
            font-weight: 500;
        }

        .category-header h1 {
            font-size: 40px;
            font-weight: 700;
            color: var(--text-primary);
            line-height: 1.3;
            margin-bottom: 12px;
        }

        .category-header .cat-desc {
            font-size: 16px;
            color: var(--text-body);
            line-height: 1.8;
            max-width: 780px;
        }

        /* 筛选条 */
        .filter-bar {
            background-color: #fff;
            border: 1px solid var(--border-light);
            border-radius: 16px;
            padding: 18px 20px;
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            gap: 12px;
            margin-bottom: 32px;
            box-shadow: var(--shadow-card);
        }

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

        .filter-label {
            font-size: 14px;
            font-weight: 500;
            color: var(--text-muted);
            white-space: nowrap;
        }

        .filter-chip {
            padding: 7px 16px;
            font-size: 14px;
            font-weight: 500;
            color: var(--text-body);
            background-color: #F8FAFC;
            border: 1px solid var(--border-light);
            border-radius: 20px;
            cursor: pointer;
            transition: all .2s ease;
            white-space: nowrap;
        }

        .filter-chip:hover {
            background-color: #EBF1FE;
            color: var(--primary);
            border-color: #BFD3F9;
        }

        .filter-chip.active {
            background-color: var(--primary);
            color: #fff;
            border-color: var(--primary);
        }

        .search-box {
            display: flex;
            align-items: center;
            gap: 8px;
            background-color: #F8FAFC;
            border: 1px solid var(--border-light);
            border-radius: 10px;
            padding: 10px 16px;
            flex: 1;
            min-width: 200px;
            transition: border-color .25s ease, box-shadow .25s ease;
        }

        .search-box:focus-within {
            border-color: var(--primary);
            box-shadow: 0 0 0 3px rgba(47, 111, 237, .12);
        }

        .search-box input {
            border: none;
            background: transparent;
            outline: none;
            width: 100%;
            font-size: 14px;
            color: var(--text-primary);
        }

        .search-box input::placeholder {
            color: #94A3B8;
        }

        /* 卡片 */
        .player-card {
            background-color: var(--bg-card);
            border-radius: var(--radius-card);
            box-shadow: var(--shadow-card);
            overflow: hidden;
            transition: transform .3s ease, box-shadow .3s ease;
            position: relative;
        }

        .player-card:hover {
            transform: translateY(-6px);
            box-shadow: var(--shadow-card-hover);
        }

        .player-card .player-cover {
            height: 140px;
            background-size: cover;
            background-position: center;
            position: relative;
        }

        .player-card .player-avatar {
            width: 72px;
            height: 72px;
            border-radius: 50%;
            border: 3px solid #fff;
            background-size: cover;
            background-position: center;
            margin-top: -36px;
            position: relative;
            z-index: 1;
            box-shadow: 0 4px 12px rgba(15, 30, 61, .14);
        }

        .player-card .player-body {
            padding: 16px 20px 20px;
        }

        .player-card .player-name {
            font-size: 20px;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 4px;
        }

        .player-card .player-meta {
            display: flex;
            flex-wrap: wrap;
            gap: 8px;
            margin: 8px 0 12px;
        }

        .player-card .stat-row {
            display: flex;
            justify-content: space-between;
            padding: 8px 0;
            border-top: 1px solid var(--border-lighter);
            font-size: 14px;
        }

        /* 排行榜 */
        .rank-tabs {
            display: flex;
            gap: 8px;
            margin-bottom: 24px;
            flex-wrap: wrap;
        }

        .rank-tab {
            padding: 10px 22px;
            font-size: 15px;
            font-weight: 500;
            color: var(--text-body);
            background-color: #fff;
            border: 1px solid var(--border-light);
            border-radius: 20px;
            cursor: pointer;
            transition: all .25s ease;
        }

        .rank-tab:hover {
            background-color: #EBF1FE;
            color: var(--primary);
        }

        .rank-tab.active {
            background-color: var(--primary);
            color: #fff;
            border-color: var(--primary);
        }

        .rank-list {
            background-color: #fff;
            border-radius: var(--radius-card);
            box-shadow: var(--shadow-card);
            overflow: hidden;
            margin-bottom: 8px;
        }

        .rank-item {
            display: flex;
            align-items: center;
            gap: 16px;
            padding: 16px 20px;
            border-bottom: 1px solid var(--border-lighter);
            transition: background-color .25s ease;
        }

        .rank-item:last-child {
            border-bottom: none;
        }

        .rank-item:hover {
            background-color: #F8FAFC;
        }

        .rank-number {
            font-family: var(--font-num);
            font-size: 26px;
            font-weight: 700;
            width: 36px;
            text-align: center;
            color: var(--text-muted);
        }

        .rank-number.top1 {
            color: var(--accent-orange);
        }

        .rank-number.top2 {
            color: var(--primary);
        }

        .rank-number.top3 {
            color: var(--accent-cyan);
        }

        /* 故事卡 */
        .story-card {
            background-color: #fff;
            border-radius: var(--radius-card);
            box-shadow: var(--shadow-card);
            overflow: hidden;
            transition: transform .3s ease, box-shadow .3s ease;
            display: flex;
            flex-direction: column;
        }

        .story-card:hover {
            transform: translateY(-5px);
            box-shadow: var(--shadow-card-hover);
        }

        .story-card .story-cover {
            height: 180px;
            background-size: cover;
            background-position: center;
        }

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

        .story-card .story-title {
            font-size: 20px;
            font-weight: 700;
            margin-bottom: 8px;
            color: var(--text-primary);
        }

        .story-card .story-excerpt {
            color: var(--text-body);
            font-size: 15px;
            margin-bottom: 16px;
            flex: 1;
        }

        /* 招募公告 */
        .notice-board {
            background-color: #fff;
            border-radius: var(--radius-card);
            box-shadow: var(--shadow-card);
            padding: 8px 0;
        }

        .notice-item {
            padding: 16px 20px;
            border-bottom: 1px solid var(--border-lighter);
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            gap: 12px;
            transition: background-color .25s ease;
        }

        .notice-item:last-child {
            border-bottom: none;
        }

        .notice-item:hover {
            background-color: #F8FAFC;
        }

        /* FAQ */
        .faq-item {
            background-color: #fff;
            border: 1px solid var(--border-light);
            border-radius: 12px;
            margin-bottom: 12px;
            overflow: hidden;
            transition: border-color .25s ease, box-shadow .25s ease;
        }

        .faq-item.active {
            border-left: 3px solid var(--primary);
            box-shadow: var(--shadow-card);
        }

        .faq-question {
            width: 100%;
            text-align: left;
            padding: 18px 20px;
            font-size: 16px;
            font-weight: 600;
            color: var(--text-primary);
            display: flex;
            justify-content: space-between;
            align-items: center;
            gap: 16px;
            transition: background-color .25s ease, color .25s ease;
        }

        .faq-question:hover {
            background-color: #F8FAFC;
            color: var(--primary);
        }

        .faq-question .icon {
            flex-shrink: 0;
            transition: transform .3s ease;
            color: var(--primary);
        }

        .faq-item.active .faq-question .icon {
            transform: rotate(180deg);
        }

        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height .3s ease, padding .3s ease;
            padding: 0 20px;
            color: var(--text-body);
            font-size: 15px;
            line-height: 1.8;
        }

        .faq-item.active .faq-answer {
            max-height: 200px;
            padding: 0 20px 18px;
        }

        /* 页脚 */
        .footer-site {
            background-color: var(--primary-dark);
            color: rgba(255, 255, 255, .85);
            padding-top: 48px;
            padding-bottom: 32px;
            margin-top: 0;
        }

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

        .footer-brand-name {
            font-size: 22px;
            font-weight: 700;
            color: #fff;
            margin-bottom: 12px;
        }

        .footer-brand-desc {
            font-size: 14px;
            line-height: 1.8;
            color: rgba(255, 255, 255, .72);
            max-width: 340px;
        }

        .footer-col-title {
            font-size: 16px;
            font-weight: 600;
            color: #fff;
            margin-bottom: 16px;
        }

        .footer-link {
            display: block;
            font-size: 14px;
            color: rgba(255, 255, 255, .68);
            margin-bottom: 10px;
            transition: color .25s ease;
        }

        .footer-link:hover {
            color: #fff;
        }

        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, .15);
            padding-top: 20px;
            text-align: center;
            font-size: 14px;
            color: rgba(255, 255, 255, .6);
        }

        /* 响应式 */
        @media (max-width: 1024px) {
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 24px;
            }
        }

        @media (max-width: 768px) {
            .nav-links {
                display: none;
                position: absolute;
                top: var(--nav-height);
                left: 0;
                right: 0;
                background-color: #fff;
                flex-direction: column;
                padding: 16px 20px;
                border-bottom: 1px solid var(--border-light);
                box-shadow: 0 20px 40px rgba(15, 30, 61, .1);
            }
            .nav-links.show {
                display: flex;
            }
            .nav-menu-toggle {
                display: flex;
            }
            .nav-locate {
                display: none;
            }
            .mobile-locate-row {
                display: flex;
            }
            .nav-inner {
                gap: 12px;
            }
            .nav-logo {
                font-size: 18px;
            }
            .category-header h1 {
                font-size: 30px;
            }
            .section {
                padding-top: var(--section-padding-mobile);
                padding-bottom: var(--section-padding-mobile);
            }
            .filter-bar {
                flex-direction: column;
                align-items: stretch;
            }
            .search-box {
                min-width: auto;
            }
            .player-card .player-cover {
                height: 110px;
            }
        }

        @media (max-width: 520px) {
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 20px;
            }
            .category-header h1 {
                font-size: 26px;
            }
            .rank-tab {
                padding: 8px 16px;
                font-size: 14px;
            }
            .rank-number {
                font-size: 22px;
                width: 28px;
            }
            .btn-primary,
            .btn-secondary {
                padding: 10px 18px;
                font-size: 14px;
            }
        }