/* roulang page: index */
:root {
            --brand-blue: #0d4f6e;
            --brand-blue-dark: #083a52;
            --brand-blue-light: #e8f0f5;
            --brand-blue-faint: #f4f7f9;
            --accent-gold: #c8a45c;
            --accent-gold-light: #f5ead4;
            --text-primary: #1a1a1a;
            --text-secondary: #4a5a6a;
            --text-muted: #7a8a9a;
            --bg-light: #f6f8fa;
            --bg-white: #ffffff;
            --border-color: #e0e5ea;
            --border-light: #edf0f3;
            --radius-sm: 8px;
            --radius-md: 12px;
            --radius-lg: 16px;
            --radius-xl: 20px;
            --shadow-sm: 0 1px 4px rgba(13, 79, 110, 0.06);
            --shadow-md: 0 4px 16px rgba(13, 79, 110, 0.08);
            --shadow-lg: 0 8px 32px rgba(13, 79, 110, 0.12);
            --shadow-xl: 0 16px 48px rgba(13, 79, 110, 0.16);
            --transition-fast: 0.2s ease;
            --transition-base: 0.3s ease;
            --font-family: 'PingFang SC', 'Microsoft YaHei', 'Helvetica Neue', Arial, sans-serif;
            --container-max: 1140px;
            --header-height: 56px;
            --chip-nav-height: 44px;
        }

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

        html {
            scroll-behavior: smooth;
            -webkit-tap-highlight-color: transparent;
        }

        body {
            font-family: var(--font-family);
            font-size: 15px;
            line-height: 1.7;
            color: var(--text-primary);
            background: var(--bg-light);
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
            padding-bottom: 68px;
        }

        a {
            color: var(--brand-blue);
            text-decoration: none;
            transition: color var(--transition-fast);
        }
        a:hover {
            color: var(--brand-blue-dark);
            text-decoration: underline;
        }
        a:focus-visible,
        button:focus-visible,
        input:focus-visible {
            outline: 2px solid var(--accent-gold);
            outline-offset: 2px;
            border-radius: 4px;
        }

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

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

        /* ===== 顶部公告条 ===== */
        .top-notice-bar {
            background: var(--brand-blue-dark);
            color: #ffffff;
            font-size: 13px;
            padding: 6px 0;
            text-align: center;
            letter-spacing: 0.3px;
        }
        .top-notice-bar a {
            color: var(--accent-gold);
            font-weight: 500;
            margin-left: 6px;
        }
        .top-notice-bar a:hover {
            color: #e8c97a;
            text-decoration: none;
        }

        /* ===== 品牌行 Header ===== */
        .brand-header {
            background: var(--bg-white);
            border-bottom: 1px solid var(--border-light);
            position: sticky;
            top: 0;
            z-index: 1050;
            box-shadow: 0 1px 8px rgba(13, 79, 110, 0.04);
        }
        .brand-header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: var(--header-height);
            gap: 16px;
            flex-wrap: nowrap;
        }
        .brand-logo {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 1.25rem;
            font-weight: 700;
            color: var(--brand-blue);
            white-space: nowrap;
            flex-shrink: 0;
        }
        .brand-logo:hover {
            color: var(--brand-blue-dark);
            text-decoration: none;
        }
        .brand-logo .logo-icon {
            width: 36px;
            height: 36px;
            border-radius: 10px;
            background: linear-gradient(135deg, var(--brand-blue) 0%, var(--brand-blue-dark) 100%);
            display: flex;
            align-items: center;
            justify-content: center;
            color: #ffffff;
            font-size: 1rem;
            flex-shrink: 0;
            box-shadow: 0 2px 8px rgba(13, 79, 110, 0.2);
        }
        .brand-logo .logo-text {
            font-size: 1.15rem;
            letter-spacing: 0.5px;
        }
        .brand-actions {
            display: flex;
            align-items: center;
            gap: 8px;
            flex-shrink: 0;
        }
        .brand-actions .btn-header {
            background: var(--brand-blue);
            color: #ffffff;
            border: none;
            border-radius: 24px;
            padding: 8px 18px;
            font-size: 13px;
            font-weight: 600;
            letter-spacing: 0.3px;
            transition: all var(--transition-fast);
            cursor: pointer;
            text-decoration: none;
            display: inline-flex;
            align-items: center;
            gap: 6px;
        }
        .brand-actions .btn-header:hover {
            background: var(--brand-blue-dark);
            text-decoration: none;
            transform: translateY(-1px);
            box-shadow: 0 4px 12px rgba(13, 79, 110, 0.25);
        }
        .brand-actions .btn-header-outline {
            background: transparent;
            color: var(--brand-blue);
            border: 1.5px solid var(--brand-blue);
            border-radius: 24px;
            padding: 7px 16px;
            font-size: 13px;
            font-weight: 600;
            transition: all var(--transition-fast);
            cursor: pointer;
            text-decoration: none;
        }
        .brand-actions .btn-header-outline:hover {
            background: var(--brand-blue-light);
            text-decoration: none;
            border-color: var(--brand-blue-dark);
            color: var(--brand-blue-dark);
        }

        /* ===== Chip 导航条 ===== */
        .chip-nav-bar {
            background: var(--bg-white);
            border-bottom: 1px solid var(--border-light);
            padding: 0;
            overflow: hidden;
        }
        .chip-nav-scroll {
            display: flex;
            align-items: center;
            gap: 8px;
            overflow-x: auto;
            padding: 8px 0;
            scrollbar-width: none;
            -ms-overflow-style: none;
            white-space: nowrap;
            -webkit-overflow-scrolling: touch;
        }
        .chip-nav-scroll::-webkit-scrollbar {
            display: none;
        }
        .chip-nav-item {
            flex-shrink: 0;
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 7px 16px;
            border-radius: 22px;
            font-size: 13px;
            font-weight: 500;
            color: var(--text-secondary);
            background: var(--brand-blue-faint);
            border: 1px solid transparent;
            transition: all var(--transition-fast);
            cursor: pointer;
            text-decoration: none;
            letter-spacing: 0.3px;
        }
        .chip-nav-item:hover {
            background: var(--brand-blue-light);
            color: var(--brand-blue);
            text-decoration: none;
            border-color: var(--brand-blue-light);
        }
        .chip-nav-item.active {
            background: var(--brand-blue);
            color: #ffffff;
            border-color: var(--brand-blue);
            box-shadow: 0 2px 8px rgba(13, 79, 110, 0.2);
        }

        /* ===== 底部固定转化条 ===== */
        .fixed-cta-bar {
            position: fixed;
            bottom: 0;
            left: 0;
            right: 0;
            background: rgba(255, 255, 255, 0.96);
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
            border-top: 1px solid var(--border-light);
            box-shadow: 0 -4px 20px rgba(13, 79, 110, 0.1);
            z-index: 1060;
            padding: 10px 0;
            transition: transform var(--transition-base);
        }
        .fixed-cta-bar-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 12px;
        }
        .fixed-cta-text {
            flex: 1;
            min-width: 0;
        }
        .fixed-cta-text .cta-title {
            font-size: 14px;
            font-weight: 700;
            color: var(--text-primary);
            margin: 0;
            line-height: 1.3;
        }
        .fixed-cta-text .cta-sub {
            font-size: 12px;
            color: var(--text-muted);
            margin: 0;
            line-height: 1.4;
        }
        .fixed-cta-bar .btn-fixed-cta {
            background: linear-gradient(135deg, var(--brand-blue) 0%, var(--brand-blue-dark) 100%);
            color: #ffffff;
            border: none;
            border-radius: 28px;
            padding: 12px 24px;
            font-size: 14px;
            font-weight: 700;
            letter-spacing: 0.5px;
            white-space: nowrap;
            flex-shrink: 0;
            transition: all var(--transition-fast);
            text-decoration: none;
            display: inline-flex;
            align-items: center;
            gap: 6px;
            box-shadow: 0 4px 14px rgba(13, 79, 110, 0.3);
            cursor: pointer;
        }
        .fixed-cta-bar .btn-fixed-cta:hover {
            background: var(--brand-blue-dark);
            text-decoration: none;
            transform: translateY(-2px);
            box-shadow: 0 6px 20px rgba(13, 79, 110, 0.4);
        }

        /* ===== Hero 区 ===== */
        .hero-section {
            background: linear-gradient(165deg, #f0f4f8 0%, #fafbfc 40%, #edf2f6 100%);
            padding: 56px 0 64px;
            position: relative;
            overflow: hidden;
        }
        .hero-section::before {
            content: '';
            position: absolute;
            top: -120px;
            right: -80px;
            width: 360px;
            height: 360px;
            border-radius: 50%;
            background: rgba(13, 79, 110, 0.04);
            z-index: 0;
        }
        .hero-section::after {
            content: '';
            position: absolute;
            bottom: -100px;
            left: -60px;
            width: 280px;
            height: 280px;
            border-radius: 50%;
            background: rgba(200, 164, 92, 0.06);
            z-index: 0;
        }
        .hero-content {
            position: relative;
            z-index: 1;
        }
        .hero-badge-row {
            display: flex;
            align-items: center;
            flex-wrap: wrap;
            gap: 10px;
            margin-bottom: 18px;
        }
        .hero-status-pill {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: var(--bg-white);
            border: 1px solid var(--border-color);
            border-radius: 24px;
            padding: 7px 16px;
            font-size: 13px;
            font-weight: 600;
            color: var(--brand-blue);
            box-shadow: var(--shadow-sm);
        }
        .hero-status-pill .status-dot {
            width: 8px;
            height: 8px;
            border-radius: 50%;
            background: #28a745;
            animation: pulse-dot 1.8s infinite;
        }
        @keyframes pulse-dot {
            0%, 100% { opacity: 1; transform: scale(1); }
            50% { opacity: 0.5; transform: scale(1.4); }
        }
        .hero-tag {
            display: inline-block;
            background: var(--accent-gold-light);
            color: var(--accent-gold);
            border-radius: 20px;
            padding: 5px 14px;
            font-size: 12px;
            font-weight: 600;
            letter-spacing: 1px;
        }

        .hero-title {
            font-size: 2.4rem;
            font-weight: 800;
            color: var(--text-primary);
            line-height: 1.3;
            margin-bottom: 18px;
            letter-spacing: 0.5px;
        }
        .hero-title .highlight {
            color: var(--brand-blue);
            position: relative;
        }
        .hero-title .highlight::after {
            content: '';
            position: absolute;
            bottom: 3px;
            left: 0;
            right: 0;
            height: 6px;
            background: var(--accent-gold-light);
            z-index: -1;
            border-radius: 3px;
        }
        .hero-desc {
            font-size: 1.05rem;
            color: var(--text-secondary);
            line-height: 1.9;
            max-width: 760px;
            margin-bottom: 26px;
        }

        .hero-icon-matrix {
            display: flex;
            flex-wrap: wrap;
            gap: 12px;
            margin-bottom: 28px;
        }
        .hero-icon-item {
            display: flex;
            align-items: center;
            gap: 10px;
            background: var(--bg-white);
            border: 1px solid var(--border-light);
            border-radius: var(--radius-md);
            padding: 12px 18px;
            font-size: 14px;
            font-weight: 600;
            color: var(--text-secondary);
            box-shadow: var(--shadow-sm);
            transition: all var(--transition-fast);
            cursor: pointer;
            flex-shrink: 0;
        }
        .hero-icon-item:hover {
            box-shadow: var(--shadow-md);
            transform: translateY(-2px);
            border-color: var(--brand-blue-light);
            color: var(--brand-blue);
        }
        .hero-icon-item .icon-circle {
            width: 32px;
            height: 32px;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 14px;
            flex-shrink: 0;
        }
        .icon-blue {
            background: var(--brand-blue-light);
            color: var(--brand-blue);
        }
        .icon-gold {
            background: var(--accent-gold-light);
            color: var(--accent-gold);
        }
        .icon-green {
            background: #e3f2e6;
            color: #2e7d43;
        }
        .icon-purple {
            background: #efe8f7;
            color: #6b4c9a;
        }

        .hero-countdown-row {
            display: flex;
            align-items: center;
            gap: 20px;
            flex-wrap: wrap;
            margin-bottom: 30px;
        }
        .countdown-box {
            background: var(--bg-white);
            border: 1px solid var(--border-light);
            border-radius: var(--radius-md);
            padding: 14px 22px;
            box-shadow: var(--shadow-sm);
            display: flex;
            align-items: center;
            gap: 16px;
        }
        .countdown-label {
            font-size: 13px;
            font-weight: 600;
            color: var(--text-secondary);
            letter-spacing: 0.3px;
        }
        .countdown-timers {
            display: flex;
            gap: 8px;
        }
        .countdown-unit {
            background: var(--brand-blue);
            color: #ffffff;
            border-radius: var(--radius-sm);
            padding: 6px 10px;
            text-align: center;
            min-width: 48px;
        }
        .countdown-unit .number {
            font-size: 1.1rem;
            font-weight: 700;
            line-height: 1.2;
        }
        .countdown-unit .unit-label {
            font-size: 10px;
            opacity: 0.85;
            letter-spacing: 1px;
        }

        .hero-cta-row {
            display: flex;
            align-items: center;
            gap: 12px;
            flex-wrap: wrap;
        }
        .btn-primary-custom {
            background: linear-gradient(135deg, var(--brand-blue) 0%, var(--brand-blue-dark) 100%);
            color: #ffffff;
            border: none;
            border-radius: 28px;
            padding: 14px 32px;
            font-size: 15px;
            font-weight: 700;
            letter-spacing: 0.4px;
            transition: all var(--transition-fast);
            cursor: pointer;
            text-decoration: none;
            display: inline-flex;
            align-items: center;
            gap: 8px;
            box-shadow: 0 4px 16px rgba(13, 79, 110, 0.3);
        }
        .btn-primary-custom:hover {
            background: var(--brand-blue-dark);
            text-decoration: none;
            transform: translateY(-2px);
            box-shadow: 0 8px 24px rgba(13, 79, 110, 0.4);
        }
        .btn-secondary-custom {
            background: var(--bg-white);
            color: var(--brand-blue);
            border: 2px solid var(--brand-blue);
            border-radius: 28px;
            padding: 12px 26px;
            font-size: 14px;
            font-weight: 600;
            transition: all var(--transition-fast);
            cursor: pointer;
            text-decoration: none;
            display: inline-flex;
            align-items: center;
            gap: 6px;
        }
        .btn-secondary-custom:hover {
            background: var(--brand-blue-light);
            text-decoration: none;
            border-color: var(--brand-blue-dark);
            color: var(--brand-blue-dark);
        }

        /* ===== 通用区块样式 ===== */
        .section-block {
            padding: 64px 0;
        }
        .section-block-alt {
            background: var(--bg-white);
        }
        .section-heading {
            margin-bottom: 36px;
        }
        .section-heading .section-tag {
            display: inline-block;
            font-size: 12px;
            font-weight: 700;
            letter-spacing: 2px;
            color: var(--accent-gold);
            text-transform: uppercase;
            margin-bottom: 10px;
        }
        .section-heading h2 {
            font-size: 1.75rem;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 10px;
            letter-spacing: 0.3px;
        }
        .section-heading .section-desc {
            font-size: 1rem;
            color: var(--text-secondary);
            line-height: 1.85;
            max-width: 780px;
            margin: 0;
        }

        /* ===== 入口矩阵 ===== */
        .entrance-grid {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
            gap: 20px;
        }
        .entrance-card {
            background: var(--bg-white);
            border: 1px solid var(--border-light);
            border-radius: var(--radius-lg);
            padding: 24px;
            box-shadow: var(--shadow-sm);
            transition: all var(--transition-base);
            cursor: pointer;
            text-decoration: none;
            display: block;
            color: var(--text-primary);
            position: relative;
            overflow: hidden;
        }
        .entrance-card::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            height: 3px;
            background: linear-gradient(90deg, var(--brand-blue) 0%, var(--accent-gold) 100%);
            transform: scaleX(0);
            transform-origin: left;
            transition: transform var(--transition-base);
        }
        .entrance-card:hover {
            box-shadow: var(--shadow-lg);
            transform: translateY(-4px);
            text-decoration: none;
            color: var(--text-primary);
            border-color: var(--brand-blue-light);
        }
        .entrance-card:hover::before {
            transform: scaleX(1);
        }
        .entrance-card .entrance-icon {
            width: 46px;
            height: 46px;
            border-radius: var(--radius-md);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 20px;
            margin-bottom: 14px;
        }
        .entrance-card h3 {
            font-size: 1.05rem;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 8px;
        }
        .entrance-card p {
            font-size: 0.88rem;
            color: var(--text-secondary);
            line-height: 1.7;
            margin: 0;
        }
        .entrance-card .entrance-link {
            display: inline-flex;
            align-items: center;
            gap: 5px;
            font-size: 13px;
            font-weight: 600;
            color: var(--brand-blue);
            margin-top: 12px;
            transition: all var(--transition-fast);
        }
        .entrance-card:hover .entrance-link {
            gap: 10px;
        }

        /* ===== 里程碑 ===== */
        .milestone-section {
            background: linear-gradient(135deg, var(--brand-blue) 0%, var(--brand-blue-dark) 100%);
            padding: 64px 0;
            position: relative;
            overflow: hidden;
        }
        .milestone-section::before {
            content: '';
            position: absolute;
            top: -80px;
            right: -60px;
            width: 240px;
            height: 240px;
            border-radius: 50%;
            background: rgba(255, 255, 255, 0.04);
            z-index: 0;
        }
        .milestone-section::after {
            content: '';
            position: absolute;
            bottom: -100px;
            left: -40px;
            width: 200px;
            height: 200px;
            border-radius: 50%;
            background: rgba(200, 164, 92, 0.08);
            z-index: 0;
        }
        .milestone-content {
            position: relative;
            z-index: 1;
        }
        .milestone-content .section-heading h2 {
            color: #ffffff;
        }
        .milestone-content .section-heading .section-desc {
            color: rgba(255, 255, 255, 0.78);
        }
        .milestone-content .section-heading .section-tag {
            color: var(--accent-gold);
        }
        .milestone-stats {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
            margin-top: 20px;
        }
        .stat-card {
            background: rgba(255, 255, 255, 0.08);
            border: 1px solid rgba(255, 255, 255, 0.15);
            border-radius: var(--radius-lg);
            padding: 24px 20px;
            text-align: center;
            backdrop-filter: blur(8px);
            -webkit-backdrop-filter: blur(8px);
            transition: all var(--transition-base);
        }
        .stat-card:hover {
            background: rgba(255, 255, 255, 0.12);
            border-color: rgba(255, 255, 255, 0.25);
            transform: translateY(-3px);
        }
        .stat-card .stat-number {
            font-size: 2rem;
            font-weight: 800;
            color: #ffffff;
            line-height: 1.2;
            letter-spacing: -0.5px;
        }
        .stat-card .stat-number .stat-unit {
            font-size: 1rem;
            font-weight: 600;
            color: var(--accent-gold);
            margin-left: 3px;
        }
        .stat-card .stat-label {
            font-size: 13px;
            color: rgba(255, 255, 255, 0.7);
            margin-top: 6px;
            letter-spacing: 0.5px;
        }
        .milestone-timeline {
            margin-top: 40px;
            display: flex;
            flex-wrap: wrap;
            gap: 12px;
            justify-content: center;
        }
        .timeline-item {
            display: flex;
            align-items: center;
            gap: 8px;
            background: rgba(255, 255, 255, 0.1);
            border-radius: 24px;
            padding: 8px 18px;
            font-size: 13px;
            color: rgba(255, 255, 255, 0.85);
            border: 1px solid rgba(255, 255, 255, 0.15);
        }
        .timeline-item .timeline-dot {
            width: 8px;
            height: 8px;
            border-radius: 50%;
            background: var(--accent-gold);
            flex-shrink: 0;
        }

        /* ===== 资讯区 ===== */
        .news-layout {
            display: grid;
            grid-template-columns: 1fr 340px;
            gap: 28px;
        }
        .news-main-list {
            display: flex;
            flex-direction: column;
            gap: 14px;
        }
        .news-list-item {
            display: flex;
            align-items: flex-start;
            gap: 16px;
            background: var(--bg-white);
            border: 1px solid var(--border-light);
            border-radius: var(--radius-md);
            padding: 18px 20px;
            box-shadow: var(--shadow-sm);
            transition: all var(--transition-fast);
            cursor: pointer;
        }
        .news-list-item:hover {
            box-shadow: var(--shadow-md);
            border-color: var(--brand-blue-light);
            transform: translateY(-2px);
        }
        .news-list-item .news-index {
            font-size: 1.5rem;
            font-weight: 800;
            color: var(--brand-blue-light);
            line-height: 1;
            flex-shrink: 0;
            min-width: 36px;
            text-align: center;
        }
        .news-list-item .news-content {
            flex: 1;
            min-width: 0;
        }
        .news-list-item .news-title {
            font-size: 0.98rem;
            font-weight: 600;
            color: var(--text-primary);
            margin-bottom: 6px;
            line-height: 1.5;
            transition: color var(--transition-fast);
        }
        .news-list-item:hover .news-title {
            color: var(--brand-blue);
        }
        .news-list-item .news-meta {
            display: flex;
            align-items: center;
            gap: 12px;
            font-size: 12px;
            color: var(--text-muted);
        }
        .news-list-item .news-meta .news-category {
            background: var(--brand-blue-light);
            color: var(--brand-blue);
            border-radius: 12px;
            padding: 2px 10px;
            font-weight: 600;
            font-size: 11px;
        }
        .news-sidebar {
            display: flex;
            flex-direction: column;
            gap: 18px;
        }
        .news-recommend-card {
            background: var(--bg-white);
            border: 1px solid var(--border-light);
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow-sm);
            transition: all var(--transition-base);
            cursor: pointer;
        }
        .news-recommend-card:hover {
            box-shadow: var(--shadow-lg);
            transform: translateY(-3px);
        }
        .news-recommend-card img {
            width: 100%;
            height: 180px;
            object-fit: cover;
        }
        .news-recommend-card .recommend-body {
            padding: 16px 18px;
        }
        .news-recommend-card .recommend-tag {
            display: inline-block;
            background: var(--accent-gold-light);
            color: var(--accent-gold);
            border-radius: 12px;
            padding: 3px 10px;
            font-size: 11px;
            font-weight: 700;
            letter-spacing: 0.5px;
            margin-bottom: 8px;
        }
        .news-recommend-card .recommend-title {
            font-size: 0.95rem;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 6px;
            line-height: 1.5;
        }
        .news-recommend-card .recommend-desc {
            font-size: 0.82rem;
            color: var(--text-secondary);
            line-height: 1.6;
            margin: 0;
        }

        /* ===== 平台保障 ===== */
        .guarantee-section {
            background: var(--bg-white);
            padding: 64px 0;
            border-top: 1px solid var(--border-light);
            border-bottom: 1px solid var(--border-light);
        }
        .guarantee-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
        }
        .guarantee-card {
            text-align: center;
            padding: 28px 20px;
            background: var(--bg-light);
            border-radius: var(--radius-lg);
            border: 1px solid var(--border-light);
            transition: all var(--transition-base);
        }
        .guarantee-card:hover {
            background: var(--bg-white);
            box-shadow: var(--shadow-md);
            border-color: var(--brand-blue-light);
            transform: translateY(-3px);
        }
        .guarantee-card .guarantee-icon {
            width: 52px;
            height: 52px;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 22px;
            margin: 0 auto 14px;
        }
        .guarantee-card h4 {
            font-size: 1rem;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 8px;
        }
        .guarantee-card p {
            font-size: 0.85rem;
            color: var(--text-secondary);
            line-height: 1.7;
            margin: 0;
        }

        /* ===== App 下载区 ===== */
        .app-section {
            background: linear-gradient(135deg, #f0f4f8 0%, #e8f0f5 100%);
            padding: 64px 0;
            position: relative;
            overflow: hidden;
        }
        .app-content {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 40px;
            flex-wrap: wrap;
        }
        .app-info {
            flex: 1;
            min-width: 280px;
            max-width: 560px;
        }
        .app-info h2 {
            font-size: 1.75rem;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 14px;
        }
        .app-info p {
            font-size: 1rem;
            color: var(--text-secondary);
            line-height: 1.85;
            margin-bottom: 20px;
        }
        .app-feature-list {
            list-style: none;
            padding: 0;
            margin: 0 0 24px;
            display: flex;
            flex-direction: column;
            gap: 10px;
        }
        .app-feature-list li {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 14px;
            color: var(--text-secondary);
        }
        .app-feature-list li i {
            color: var(--brand-blue);
            font-size: 14px;
            flex-shrink: 0;
        }
        .app-download-btns {
            display: flex;
            gap: 12px;
            flex-wrap: wrap;
        }
        .app-download-btn {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            background: var(--text-primary);
            color: #ffffff;
            border: none;
            border-radius: var(--radius-md);
            padding: 12px 20px;
            font-size: 13px;
            font-weight: 600;
            transition: all var(--transition-fast);
            cursor: pointer;
            text-decoration: none;
        }
        .app-download-btn:hover {
            background: var(--brand-blue-dark);
            text-decoration: none;
            transform: translateY(-2px);
            box-shadow: var(--shadow-md);
        }
        .app-download-btn i {
            font-size: 22px;
        }
        .app-visual {
            flex-shrink: 0;
            width: 300px;
            height: 300px;
            border-radius: var(--radius-xl);
            overflow: hidden;
            box-shadow: var(--shadow-xl);
            border: 4px solid #ffffff;
        }
        .app-visual img {
            width: 100%;
            height: 100%;
            object-fit: cover;
        }

        /* ===== Footer ===== */
        .site-footer {
            background: var(--text-primary);
            color: #cfd8de;
            padding: 48px 0 60px;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 1.5fr 1fr 1fr 1fr;
            gap: 32px;
        }
        .footer-brand .brand-logo-footer {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 1.15rem;
            font-weight: 700;
            color: #ffffff;
            margin-bottom: 12px;
        }
        .footer-brand .brand-logo-footer .logo-icon-footer {
            width: 32px;
            height: 32px;
            border-radius: 8px;
            background: linear-gradient(135deg, var(--brand-blue) 0%, var(--brand-blue-dark) 100%);
            display: flex;
            align-items: center;
            justify-content: center;
            color: #ffffff;
            font-size: 14px;
        }
        .footer-brand p {
            font-size: 13px;
            color: #9aa8b5;
            line-height: 1.8;
            margin-bottom: 14px;
            max-width: 280px;
        }
        .footer-social {
            display: flex;
            gap: 10px;
        }
        .footer-social a {
            width: 34px;
            height: 34px;
            border-radius: 50%;
            background: rgba(255, 255, 255, 0.08);
            display: flex;
            align-items: center;
            justify-content: center;
            color: #cfd8de;
            font-size: 14px;
            transition: all var(--transition-fast);
            text-decoration: none;
        }
        .footer-social a:hover {
            background: var(--brand-blue);
            color: #ffffff;
            text-decoration: none;
            transform: translateY(-2px);
        }
        .footer-col h5 {
            font-size: 14px;
            font-weight: 700;
            color: #ffffff;
            margin-bottom: 14px;
            letter-spacing: 0.5px;
        }
        .footer-col ul {
            list-style: none;
            padding: 0;
            margin: 0;
        }
        .footer-col ul li {
            margin-bottom: 8px;
        }
        .footer-col ul li a {
            font-size: 13px;
            color: #9aa8b5;
            transition: color var(--transition-fast);
            text-decoration: none;
        }
        .footer-col ul li a:hover {
            color: var(--accent-gold);
            text-decoration: none;
        }
        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.08);
            margin-top: 36px;
            padding-top: 20px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 12px;
            font-size: 12px;
            color: #8a98a5;
        }

        /* ===== 响应式 ===== */
        @media (max-width: 1024px) {
            .hero-title {
                font-size: 2rem;
            }
            .milestone-stats {
                grid-template-columns: repeat(2, 1fr);
            }
            .guarantee-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
            }
        }
        @media (max-width: 768px) {
            :root {
                --header-height: 50px;
                --chip-nav-height: 40px;
            }
            .brand-logo .logo-text {
                font-size: 1rem;
            }
            .brand-actions .btn-header {
                padding: 6px 14px;
                font-size: 12px;
            }
            .brand-actions .btn-header-outline {
                padding: 5px 12px;
                font-size: 12px;
            }

            .hero-section {
                padding: 36px 0 44px;
            }
            .hero-title {
                font-size: 1.6rem;
            }
            .hero-desc {
                font-size: 0.95rem;
            }
            .hero-icon-item {
                padding: 10px 14px;
                font-size: 12px;
                gap: 6px;
            }
            .hero-icon-item .icon-circle {
                width: 26px;
                height: 26px;
                font-size: 12px;
            }
            .countdown-box {
                padding: 10px 16px;
                flex-direction: column;
                align-items: flex-start;
                gap: 6px;
            }
            .countdown-unit {
                min-width: 40px;
                padding: 4px 8px;
            }
            .countdown-unit .number {
                font-size: 0.95rem;
            }

            .section-block {
                padding: 44px 0;
            }
            .section-heading h2 {
                font-size: 1.4rem;
            }
            .section-desc {
                font-size: 0.9rem;
            }

            .entrance-grid {
                grid-template-columns: 1fr;
                gap: 14px;
            }
            .entrance-card {
                padding: 18px;
            }

            .news-layout {
                grid-template-columns: 1fr;
                gap: 20px;
            }
            .news-sidebar {
                flex-direction: row;
                flex-wrap: wrap;
            }
            .news-recommend-card {
                flex: 1;
                min-width: 240px;
            }

            .guarantee-grid {
                grid-template-columns: 1fr;
                gap: 14px;
            }

            .app-content {
                flex-direction: column;
                text-align: center;
                gap: 24px;
            }
            .app-feature-list {
                align-items: center;
            }
            .app-download-btns {
                justify-content: center;
            }
            .app-visual {
                width: 220px;
                height: 220px;
            }

            .footer-grid {
                grid-template-columns: 1fr;
                gap: 24px;
            }
            .footer-bottom {
                flex-direction: column;
                text-align: center;
            }

            .fixed-cta-bar {
                padding: 8px 0;
            }
            .fixed-cta-text .cta-title {
                font-size: 12px;
            }
            .fixed-cta-text .cta-sub {
                font-size: 11px;
            }
            .fixed-cta-bar .btn-fixed-cta {
                padding: 10px 16px;
                font-size: 12px;
                border-radius: 22px;
            }
            .fixed-cta-bar-inner {
                gap: 8px;
            }

            .milestone-stats {
                grid-template-columns: repeat(2, 1fr);
                gap: 12px;
            }
            .stat-card {
                padding: 18px 14px;
            }
            .stat-card .stat-number {
                font-size: 1.5rem;
            }
            .timeline-item {
                font-size: 11px;
                padding: 6px 12px;
            }
        }
        @media (max-width: 520px) {
            .container-custom {
                padding-left: 14px;
                padding-right: 14px;
            }
            .hero-title {
                font-size: 1.35rem;
            }
            .hero-icon-matrix {
                gap: 8px;
            }
            .hero-icon-item {
                padding: 8px 10px;
                font-size: 11px;
                border-radius: 8px;
            }
            .hero-icon-item .icon-circle {
                width: 22px;
                height: 22px;
                font-size: 10px;
            }
            .btn-primary-custom {
                padding: 12px 22px;
                font-size: 13px;
            }
            .btn-secondary-custom {
                padding: 10px 18px;
                font-size: 12px;
            }
            .countdown-timers {
                gap: 4px;
            }
            .countdown-unit {
                min-width: 34px;
                padding: 3px 6px;
            }
            .countdown-unit .number {
                font-size: 0.85rem;
            }
            .milestone-stats {
                grid-template-columns: 1fr 1fr;
                gap: 8px;
            }
            .stat-card {
                padding: 14px 10px;
            }
            .stat-card .stat-number {
                font-size: 1.2rem;
            }
            .stat-card .stat-label {
                font-size: 11px;
            }
            .news-list-item {
                padding: 14px 14px;
                flex-direction: column;
                gap: 6px;
            }
            .news-list-item .news-index {
                font-size: 1.1rem;
                min-width: auto;
            }
            .news-sidebar {
                flex-direction: column;
            }
            .news-recommend-card {
                min-width: auto;
            }
        }

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