/* roulang page: index */
:root {
            --bg-dark: #0D0D0D;
            --bg-brown: #1A0F0A;
            --amber: #C8913A;
            --orange: #E67E22;
            --text-light: #F5F0E8;
            --text-muted: #A89B8C;
            --card-bg: rgba(20, 10, 5, 0.85);
            --border-subtle: rgba(200, 160, 80, 0.15);
            --border-visible: rgba(200, 160, 80, 0.35);
            --shadow-card: 0 4px 20px rgba(0, 0, 0, 0.6);
            --shadow-hover: 0 12px 32px rgba(0, 0, 0, 0.75);
            --radius-card: 12px;
            --radius-btn: 8px;
            --transition-speed: 0.2s;
        }

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

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

        body {
            margin: 0;
            padding: 0;
            font-family: 'PingFang SC', 'Microsoft YaHei', 'Segoe UI', system-ui, sans-serif;
            font-size: 16px;
            line-height: 1.8;
            color: var(--text-light);
            background-color: var(--bg-dark);
            overflow-x: hidden;
        }

        a {
            color: var(--amber);
            text-decoration: none;
            transition: color var(--transition-speed) ease;
        }
        a:hover {
            color: var(--orange);
        }

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

        button,
        input,
        textarea {
            font-family: inherit;
            font-size: inherit;
            outline: none;
        }

        button:focus-visible,
        a:focus-visible,
        input:focus-visible,
        textarea:focus-visible {
            outline: 2px solid var(--orange);
            outline-offset: 2px;
            border-radius: 4px;
        }

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

        /* 导航 */
        .nav-top {
            background-color: var(--bg-dark);
            height: 60px;
            border-bottom: 1px solid rgba(200, 160, 80, 0.08);
        }
        .nav-channels {
            background-color: rgba(26, 15, 10, 0.95);
            backdrop-filter: blur(10px);
            -webkit-backdrop-filter: blur(10px);
            border-bottom: 1px solid rgba(200, 160, 80, 0.06);
        }
        .nav-channels::-webkit-scrollbar {
            height: 4px;
        }
        .nav-channels::-webkit-scrollbar-track {
            background: transparent;
        }
        .nav-channels::-webkit-scrollbar-thumb {
            background: var(--amber);
            border-radius: 2px;
        }
        .channel-pill {
            white-space: nowrap;
            padding: 8px 18px;
            border-radius: 9999px;
            background: rgba(200, 160, 80, 0.08);
            color: var(--text-light);
            font-size: 0.9rem;
            transition: all var(--transition-speed) ease;
            cursor: pointer;
            border: 1px solid transparent;
            text-decoration: none;
            display: inline-block;
        }
        .channel-pill:hover {
            border-color: var(--amber);
            background: rgba(200, 160, 80, 0.16);
            color: var(--amber);
        }
        .channel-pill.active {
            background: var(--amber);
            color: var(--bg-dark);
            font-weight: 600;
            border-color: var(--amber);
        }

        /* 按钮 */
        .btn-primary {
            display: inline-block;
            padding: 14px 32px;
            border-radius: var(--radius-btn);
            background: linear-gradient(135deg, #C8913A 0%, #E67E22 100%);
            color: #0D0D0D;
            font-weight: 700;
            font-size: 1rem;
            border: none;
            cursor: pointer;
            transition: all var(--transition-speed) ease;
            text-align: center;
            box-shadow: 0 2px 12px rgba(200, 144, 58, 0.3);
            text-decoration: none;
        }
        .btn-primary:hover {
            filter: brightness(1.15);
            box-shadow: 0 4px 20px rgba(230, 126, 34, 0.45);
            transform: translateY(-1px);
            color: #0D0D0D;
        }
        .btn-primary:active {
            transform: translateY(0);
            filter: brightness(0.95);
        }
        .btn-outline {
            display: inline-block;
            padding: 14px 32px;
            border-radius: var(--radius-btn);
            background: transparent;
            color: var(--amber);
            font-weight: 600;
            font-size: 1rem;
            border: 1px solid var(--amber);
            cursor: pointer;
            transition: all var(--transition-speed) ease;
            text-align: center;
            text-decoration: none;
        }
        .btn-outline:hover {
            border-color: var(--orange);
            color: var(--orange);
            background: rgba(200, 160, 80, 0.08);
        }
        .btn-sm {
            padding: 8px 18px;
            font-size: 0.85rem;
            border-radius: 6px;
        }

        /* Hero */
        .hero-section {
            position: relative;
            min-height: 100vh;
            display: flex;
            align-items: center;
            justify-content: center;
            overflow: hidden;
        }
        .hero-bg {
            position: absolute;
            inset: 0;
            z-index: 0;
        }
        .hero-bg img {
            width: 100%;
            height: 100%;
            object-fit: cover;
        }
        .hero-overlay {
            position: absolute;
            inset: 0;
            background: linear-gradient(to bottom, rgba(0, 0, 0, 0.4) 0%, rgba(0, 0, 0, 0.65) 40%, rgba(0, 0, 0, 0.9) 100%);
            z-index: 1;
        }
        .hero-content {
            position: relative;
            z-index: 10;
            text-align: center;
            max-width: 700px;
            padding: 40px 20px;
        }
        .hero-badges {
            display: flex;
            flex-wrap: wrap;
            gap: 10px;
            justify-content: center;
            margin-bottom: 24px;
        }
        .hero-badge {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 8px 16px;
            border-radius: 9999px;
            background: rgba(200, 160, 80, 0.12);
            border: 1px solid rgba(200, 160, 80, 0.3);
            color: var(--amber);
            font-size: 0.85rem;
            font-weight: 500;
        }
        .hero-badge .badge-icon {
            font-size: 1rem;
        }
        .hero-title {
            font-size: 3.5rem;
            font-weight: 900;
            line-height: 1.2;
            color: var(--text-light);
            text-shadow: 0 2px 12px rgba(0, 0, 0, 0.6);
            margin-bottom: 16px;
            letter-spacing: 0.02em;
        }
        .hero-subtitle {
            font-size: 1.15rem;
            color: var(--text-muted);
            max-width: 560px;
            margin: 0 auto 28px;
            line-height: 1.75;
        }
        .hero-cta-row {
            display: flex;
            flex-wrap: wrap;
            gap: 14px;
            justify-content: center;
            margin-bottom: 20px;
        }
        .hero-qualification {
            font-size: 0.85rem;
            color: var(--text-muted);
            margin-top: 8px;
            line-height: 1.6;
        }
        .scroll-indicator {
            position: absolute;
            bottom: 30px;
            left: 50%;
            transform: translateX(-50%);
            z-index: 10;
            animation: bounce 2s infinite;
            color: var(--amber);
            font-size: 1.5rem;
            cursor: pointer;
        }
        @keyframes bounce {
            0%,
            100% {
                transform: translateX(-50%) translateY(0);
            }
            50% {
                transform: translateX(-50%) translateY(-12px);
            }
        }

        /* 板块 */
        .section-block {
            padding: 80px 0;
        }
        .section-title {
            font-size: 2.5rem;
            font-weight: 700;
            color: var(--text-light);
            text-align: center;
            margin-bottom: 14px;
            letter-spacing: 0.01em;
        }
        .section-desc {
            text-align: center;
            color: var(--text-muted);
            max-width: 640px;
            margin: 0 auto 48px;
            font-size: 1.05rem;
            line-height: 1.75;
        }

        /* 卡片 */
        .card-base {
            background: var(--card-bg);
            border-radius: var(--radius-card);
            border: 1px solid var(--border-subtle);
            box-shadow: var(--shadow-card);
            transition: all var(--transition-speed) ease;
            overflow: hidden;
        }
        .card-base:hover {
            border-color: var(--orange);
            box-shadow: var(--shadow-hover);
            transform: translateY(-4px);
        }

        /* 服务横向滚动 */
        .scroll-row {
            display: flex;
            overflow-x: auto;
            gap: 20px;
            padding-bottom: 12px;
            scroll-snap-type: x mandatory;
            -webkit-overflow-scrolling: touch;
        }
        .scroll-row::-webkit-scrollbar {
            height: 5px;
        }
        .scroll-row::-webkit-scrollbar-track {
            background: transparent;
        }
        .scroll-row::-webkit-scrollbar-thumb {
            background: var(--amber);
            border-radius: 3px;
        }
        .service-card {
            flex: 0 0 300px;
            scroll-snap-align: start;
            background: var(--card-bg);
            border-radius: var(--radius-card);
            border: 1px solid var(--border-subtle);
            box-shadow: var(--shadow-card);
            transition: all var(--transition-speed) ease;
            overflow: hidden;
            cursor: pointer;
        }
        .service-card:hover {
            border-color: var(--orange);
            box-shadow: var(--shadow-hover);
            transform: translateY(-4px);
        }
        .service-card .card-cover {
            height: 200px;
            overflow: hidden;
            position: relative;
        }
        .service-card .card-cover img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.3s ease;
        }
        .service-card:hover .card-cover img {
            transform: scale(1.05);
        }
        .service-card .card-body {
            padding: 16px;
        }
        .service-card .card-tags {
            display: flex;
            flex-wrap: wrap;
            gap: 6px;
            margin-bottom: 8px;
        }
        .service-card .card-tag {
            font-size: 0.75rem;
            padding: 3px 10px;
            border-radius: 9999px;
            background: rgba(200, 160, 80, 0.1);
            color: var(--amber);
            border: 1px solid rgba(200, 160, 80, 0.2);
        }
        .service-card .card-title {
            font-size: 1.2rem;
            font-weight: 600;
            color: var(--text-light);
            margin-bottom: 6px;
        }
        .service-card .card-desc {
            font-size: 0.9rem;
            color: var(--text-muted);
            line-height: 1.6;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }

        /* 数据条 */
        .stat-item {
            text-align: center;
            padding: 24px;
            background: var(--card-bg);
            border-radius: var(--radius-card);
            border: 1px solid var(--border-subtle);
        }
        .stat-number {
            font-size: 2.8rem;
            font-weight: 700;
            color: var(--amber);
            line-height: 1;
        }
        .stat-unit {
            font-size: 1rem;
            color: var(--amber);
            font-weight: 500;
        }
        .stat-label {
            font-size: 0.9rem;
            color: var(--text-muted);
            margin-top: 6px;
        }

        /* FAQ */
        .faq-item {
            border-bottom: 1px solid rgba(255, 255, 255, 0.08);
            padding: 16px 0;
        }
        .faq-question {
            width: 100%;
            background: none;
            border: none;
            color: var(--text-light);
            font-size: 1.05rem;
            font-weight: 500;
            cursor: pointer;
            padding: 10px 0;
            text-align: left;
            display: flex;
            justify-content: space-between;
            align-items: center;
            transition: color var(--transition-speed) ease;
            font-family: inherit;
        }
        .faq-question:hover {
            color: var(--amber);
        }
        .faq-icon {
            font-size: 1.3rem;
            transition: transform 0.25s ease;
            flex-shrink: 0;
            margin-left: 12px;
            color: var(--amber);
        }
        .faq-item.open .faq-icon {
            transform: rotate(45deg);
        }
        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.35s ease, padding 0.35s ease;
            color: var(--text-muted);
            font-size: 0.95rem;
            line-height: 1.75;
        }
        .faq-item.open .faq-answer {
            max-height: 300px;
            padding: 8px 0 16px;
        }

        /* 表单 */
        .form-input {
            width: 100%;
            padding: 14px 16px;
            border-radius: 8px;
            background: rgba(255, 255, 255, 0.05);
            border: 1px solid rgba(200, 160, 80, 0.25);
            color: var(--text-light);
            font-size: 1rem;
            transition: border-color var(--transition-speed) ease;
            font-family: inherit;
        }
        .form-input:focus {
            border-color: var(--orange);
            background: rgba(255, 255, 255, 0.07);
        }
        .form-input::placeholder {
            color: var(--text-muted);
        }
        textarea.form-input {
            resize: vertical;
            min-height: 120px;
        }

        /* 节日战役区 */
        .campaign-block {
            background: linear-gradient(135deg, #1A0F0A 0%, #0D0D0D 50%, #1A0F0A 100%);
            border: 1px solid rgba(200, 160, 80, 0.2);
            border-radius: var(--radius-card);
            padding: 48px 32px;
            text-align: center;
            position: relative;
            overflow: hidden;
        }
        .campaign-block::before {
            content: '';
            position: absolute;
            top: -50%;
            left: -50%;
            width: 200%;
            height: 200%;
            background: radial-gradient(ellipse at center, rgba(200, 160, 80, 0.06) 0%, transparent 70%);
            pointer-events: none;
        }

        /* 活动亮点墙 */
        .event-card {
            background: var(--card-bg);
            border-radius: var(--radius-card);
            border: 1px solid var(--border-subtle);
            overflow: hidden;
            transition: all var(--transition-speed) ease;
        }
        .event-card:hover {
            border-color: var(--orange);
            box-shadow: var(--shadow-hover);
            transform: translateY(-3px);
        }
        .event-card .event-cover {
            height: 180px;
            overflow: hidden;
        }
        .event-card .event-cover img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.3s ease;
        }
        .event-card:hover .event-cover img {
            transform: scale(1.04);
        }
        .event-card .event-body {
            padding: 16px;
        }

        /* 资讯列表 */
        .news-link {
            display: block;
            padding: 12px 0;
            border-bottom: 1px solid rgba(255, 255, 255, 0.06);
            color: var(--text-light);
            transition: color var(--transition-speed) ease;
            font-size: 1rem;
            line-height: 1.6;
            text-decoration: none;
        }
        .news-link:hover {
            color: var(--amber);
        }
        .news-link .news-date {
            font-size: 0.8rem;
            color: var(--text-muted);
            margin-right: 10px;
            white-space: nowrap;
        }

        /* 页脚 */
        .site-footer {
            background: #0A0A0A;
            padding: 60px 0 28px;
            border-top: 1px solid rgba(200, 160, 80, 0.08);
        }
        .footer-link {
            color: var(--text-muted);
            text-decoration: none;
            font-size: 0.9rem;
            transition: color var(--transition-speed) ease;
            display: block;
            padding: 3px 0;
        }
        .footer-link:hover {
            color: var(--orange);
        }

        /* 响应式 */
        @media (max-width: 1024px) {
            .hero-title {
                font-size: 2.6rem;
            }
            .section-title {
                font-size: 2rem;
            }
            .service-card {
                flex: 0 0 260px;
            }
            .section-block {
                padding: 56px 0;
            }
        }
        @media (max-width: 768px) {
            .hero-title {
                font-size: 2.2rem;
            }
            .hero-subtitle {
                font-size: 1rem;
            }
            .section-title {
                font-size: 1.7rem;
            }
            .service-card {
                flex: 0 0 80vw;
            }
            .section-block {
                padding: 44px 0;
            }
            .btn-primary,
            .btn-outline {
                padding: 12px 24px;
                font-size: 0.9rem;
                width: 100%;
                text-align: center;
            }
            .hero-cta-row {
                flex-direction: column;
                align-items: center;
            }
            .hero-cta-row .btn-primary,
            .hero-cta-row .btn-outline {
                width: 80%;
                max-width: 320px;
            }
            .stat-number {
                font-size: 2.2rem;
            }
            .campaign-block {
                padding: 32px 20px;
            }
            .container {
                padding-left: 16px;
                padding-right: 16px;
            }
        }
        @media (max-width: 520px) {
            .hero-title {
                font-size: 1.8rem;
            }
            .hero-badges {
                gap: 6px;
            }
            .hero-badge {
                padding: 6px 12px;
                font-size: 0.75rem;
            }
            .section-title {
                font-size: 1.5rem;
            }
            .section-desc {
                font-size: 0.9rem;
                margin-bottom: 32px;
            }
            .service-card {
                flex: 0 0 85vw;
            }
            .service-card .card-cover {
                height: 160px;
            }
            .scroll-row {
                gap: 12px;
            }
            .nav-channels {
                gap: 4px;
            }
            .channel-pill {
                padding: 6px 12px;
                font-size: 0.78rem;
            }
        }