/* roulang page: index */
/* ============ 设计变量 ============ */
        :root {
            --primary: #D92534;
            --primary-dark: #B01E2B;
            --primary-light: #FDE8EA;
            --accent: #E8B830;
            --accent-light: #FDF6DC;
            --deep-bg: #0B1119;
            --deep-bg-2: #131A26;
            --surface: #FFFFFF;
            --surface-alt: #F7F8FA;
            --text-primary: #1A1D24;
            --text-secondary: #5A5F6B;
            --text-muted: #9095A0;
            --text-on-dark: #EAECF0;
            --text-on-dark-muted: #9CA3B0;
            --border: #E2E5EB;
            --border-light: #EEF0F4;
            --radius-sm: 8px;
            --radius: 12px;
            --radius-lg: 16px;
            --radius-xl: 20px;
            --shadow-xs: 0 1px 3px rgba(0, 0, 0, 0.04);
            --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.06);
            --shadow: 0 4px 20px rgba(0, 0, 0, 0.08);
            --shadow-lg: 0 8px 36px rgba(0, 0, 0, 0.12);
            --shadow-xl: 0 16px 48px rgba(0, 0, 0, 0.16);
            --transition-fast: 0.18s ease;
            --transition: 0.28s ease;
            --transition-slow: 0.4s cubic-bezier(0.25, 0.46, 0.45, 0.94);
            --font-sans: 'PingFang SC', 'Hiragino Sans GB', 'Microsoft YaHei', 'Noto Sans SC', system-ui, -apple-system, sans-serif;
            --section-gap: 80px;
            --section-gap-sm: 48px;
            --container-padding: 20px;
        }

        /* ============ 基础 Reset & Base ============ */
        *,
        *::before,
        *::after {
            box-sizing: border-box;
        }

        html {
            scroll-behavior: smooth;
            scroll-padding-top: 80px;
        }

        body {
            font-family: var(--font-sans);
            font-size: 16px;
            line-height: 1.7;
            color: var(--text-primary);
            background-color: var(--surface);
            margin: 0;
            padding: 0;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
            overflow-x: hidden;
        }

        a {
            text-decoration: none;
            color: inherit;
            transition: color var(--transition-fast);
        }
        a:hover {
            color: var(--primary);
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        button,
        input,
        select,
        textarea {
            font-family: inherit;
            font-size: inherit;
        }
        button:focus-visible,
        a:focus-visible,
        input:focus-visible {
            outline: 2px solid var(--primary);
            outline-offset: 3px;
            border-radius: 4px;
        }

        /* ============ 容器 ============ */
        .section-container {
            max-width: 1200px;
            margin: 0 auto;
            padding-left: var(--container-padding);
            padding-right: var(--container-padding);
        }
        .section-container--narrow {
            max-width: 960px;
        }
        .section-container--wide {
            max-width: 1320px;
        }

        /* ============ 板块间距 ============ */
        .section-block {
            padding-top: var(--section-gap);
            padding-bottom: var(--section-gap);
        }
        .section-block--alt {
            background-color: var(--surface-alt);
        }
        .section-block--dark {
            background-color: var(--deep-bg);
            color: var(--text-on-dark);
        }
        .section-block--dark .section-title {
            color: #FFFFFF;
        }
        .section-block--dark .section-subtitle {
            color: var(--text-on-dark-muted);
        }
        @media (max-width: 768px) {
            .section-block {
                padding-top: var(--section-gap-sm);
                padding-bottom: var(--section-gap-sm);
            }
        }

        /* ============ 板块标题 ============ */
        .section-title {
            font-size: 2rem;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 12px;
            letter-spacing: -0.02em;
            line-height: 1.25;
        }
        .section-subtitle {
            font-size: 1.05rem;
            color: var(--text-secondary);
            margin-bottom: 36px;
            max-width: 600px;
            line-height: 1.6;
        }
        .section-header {
            text-align: center;
            margin-bottom: 48px;
        }
        .section-header .section-subtitle {
            margin-left: auto;
            margin-right: auto;
        }
        .section-header--left {
            text-align: left;
        }
        .section-header--left .section-subtitle {
            margin-left: 0;
            margin-right: auto;
        }
        .section-badge {
            display: inline-block;
            background: var(--primary-light);
            color: var(--primary);
            font-size: 0.82rem;
            font-weight: 600;
            padding: 5px 14px;
            border-radius: 20px;
            margin-bottom: 10px;
            letter-spacing: 0.03em;
        }
        .section-block--dark .section-badge {
            background: rgba(217, 37, 52, 0.25);
            color: #FCA5A5;
        }
        @media (max-width: 768px) {
            .section-title {
                font-size: 1.55rem;
            }
            .section-subtitle {
                font-size: 0.95rem;
            }
            .section-header {
                margin-bottom: 32px;
            }
        }

        /* ============ 导航 ============ */
        .site-navbar {
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            z-index: 1050;
            padding: 12px 0;
            transition: background var(--transition), box-shadow var(--transition), padding var(--transition);
            background: transparent;
        }
        .site-navbar.scrolled {
            background: rgba(255, 255, 255, 0.96);
            backdrop-filter: blur(16px);
            -webkit-backdrop-filter: blur(16px);
            box-shadow: var(--shadow-sm);
            padding: 8px 0;
            border-bottom: 1px solid var(--border-light);
        }
        .site-navbar .navbar-brand {
            font-weight: 700;
            font-size: 1.2rem;
            color: #FFFFFF;
            letter-spacing: -0.01em;
            transition: color var(--transition-fast);
            white-space: nowrap;
        }
        .site-navbar.scrolled .navbar-brand {
            color: var(--text-primary);
        }
        .site-navbar .nav-link {
            color: rgba(255, 255, 255, 0.9);
            font-weight: 500;
            font-size: 0.95rem;
            padding: 8px 16px !important;
            border-radius: var(--radius-sm);
            transition: color var(--transition-fast), background var(--transition-fast);
        }
        .site-navbar.scrolled .nav-link {
            color: var(--text-secondary);
        }
        .site-navbar .nav-link:hover,
        .site-navbar .nav-link:focus {
            color: #FFFFFF;
            background: rgba(255, 255, 255, 0.1);
        }
        .site-navbar.scrolled .nav-link:hover,
        .site-navbar.scrolled .nav-link:focus {
            color: var(--primary);
            background: var(--primary-light);
        }
        .site-navbar .nav-link.active {
            color: #FFFFFF;
            font-weight: 600;
            background: rgba(255, 255, 255, 0.15);
        }
        .site-navbar.scrolled .nav-link.active {
            color: var(--primary);
            background: var(--primary-light);
            font-weight: 600;
        }
        .nav-cta-btn {
            display: inline-block;
            background: var(--accent);
            color: #1A1D24 !important;
            font-weight: 600;
            font-size: 0.9rem;
            padding: 10px 22px !important;
            border-radius: 24px !important;
            transition: background var(--transition-fast), transform var(--transition-fast), box-shadow var(--transition-fast);
            white-space: nowrap;
            border: none;
            cursor: pointer;
        }
        .nav-cta-btn:hover {
            background: #D4A520;
            transform: translateY(-1px);
            box-shadow: 0 4px 16px rgba(232, 184, 48, 0.4);
            color: #1A1D24 !important;
        }
        .site-navbar .navbar-toggler {
            border: 1px solid rgba(255, 255, 255, 0.4);
            padding: 6px 10px;
            border-radius: var(--radius-sm);
            color: #FFFFFF;
        }
        .site-navbar.scrolled .navbar-toggler {
            border-color: var(--border);
            color: var(--text-primary);
        }
        .site-navbar .navbar-toggler:focus {
            box-shadow: 0 0 0 3px rgba(217, 37, 52, 0.25);
        }
        .site-navbar .navbar-toggler-icon {
            background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 30 30'%3e%3cpath stroke='rgba(255,255,255,0.85)' stroke-linecap='round' stroke-miterlimit='10' stroke-width='2' d='M4 7h22M4 15h22M4 23h22'/%3e%3c/svg%3e");
        }
        .site-navbar.scrolled .navbar-toggler-icon {
            background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 30 30'%3e%3cpath stroke='rgba(26,29,36,0.7)' stroke-linecap='round' stroke-miterlimit='10' stroke-width='2' d='M4 7h22M4 15h22M4 23h22'/%3e%3c/svg%3e");
        }
        @media (max-width: 991.98px) {
            .site-navbar .navbar-collapse {
                background: rgba(11, 17, 25, 0.97);
                border-radius: var(--radius);
                padding: 16px;
                margin-top: 8px;
                backdrop-filter: blur(12px);
                -webkit-backdrop-filter: blur(12px);
            }
            .site-navbar.scrolled .navbar-collapse {
                background: rgba(255, 255, 255, 0.98);
                box-shadow: var(--shadow-lg);
                border: 1px solid var(--border-light);
            }
            .site-navbar .nav-link {
                color: rgba(255, 255, 255, 0.9);
                padding: 10px 14px !important;
            }
            .site-navbar.scrolled .nav-link {
                color: var(--text-primary);
            }
            .site-navbar .nav-link.active {
                background: rgba(217, 37, 52, 0.3);
            }
            .site-navbar.scrolled .nav-link.active {
                background: var(--primary-light);
            }
            .nav-cta-btn {
                margin-top: 8px;
                text-align: center;
                display: block;
                width: 100%;
            }
        }

        /* ============ Hero 首屏 ============ */
        .hero-section {
            position: relative;
            min-height: 100vh;
            display: flex;
            align-items: center;
            justify-content: center;
            background: url('assets/images/backpic/back-1.webp') center / cover no-repeat;
            background-position: center 30%;
            overflow: hidden;
        }
        .hero-overlay {
            position: absolute;
            inset: 0;
            background: linear-gradient(180deg,
                    rgba(11, 17, 25, 0.78) 0%,
                    rgba(11, 17, 25, 0.55) 40%,
                    rgba(11, 17, 25, 0.72) 100%);
            z-index: 1;
        }
        .hero-particles {
            position: absolute;
            inset: 0;
            z-index: 2;
            pointer-events: none;
            opacity: 0.5;
            background: radial-gradient(ellipse at 30% 20%, rgba(232, 184, 48, 0.12) 0%, transparent 55%),
                radial-gradient(ellipse at 70% 60%, rgba(217, 37, 52, 0.15) 0%, transparent 55%),
                radial-gradient(ellipse at 50% 80%, rgba(232, 184, 48, 0.08) 0%, transparent 50%);
        }
        .hero-content {
            position: relative;
            z-index: 3;
            text-align: center;
            max-width: 780px;
            padding: 0 24px;
        }
        .hero-live-badge {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: rgba(217, 37, 52, 0.85);
            color: #FFFFFF;
            font-size: 0.9rem;
            font-weight: 600;
            padding: 7px 18px;
            border-radius: 24px;
            margin-bottom: 20px;
            letter-spacing: 0.04em;
            backdrop-filter: blur(8px);
            -webkit-backdrop-filter: blur(8px);
            animation: badgePulse 2.4s ease-in-out infinite;
        }
        .hero-live-dot {
            width: 10px;
            height: 10px;
            background: #FFFFFF;
            border-radius: 50%;
            animation: dotBlink 1.2s ease-in-out infinite;
        }
        @keyframes dotBlink {
            0%,
            100% {
                opacity: 1;
                transform: scale(1);
            }
            50% {
                opacity: 0.35;
                transform: scale(1.7);
            }
        }
        @keyframes badgePulse {
            0%,
            100% {
                box-shadow: 0 0 0 0 rgba(217, 37, 52, 0.5);
            }
            50% {
                box-shadow: 0 0 0 18px rgba(217, 37, 52, 0);
            }
        }
        .hero-title {
            font-size: 3.4rem;
            font-weight: 800;
            color: #FFFFFF;
            line-height: 1.2;
            margin-bottom: 16px;
            letter-spacing: -0.03em;
            text-shadow: 0 2px 12px rgba(0, 0, 0, 0.35);
        }
        .hero-title .highlight {
            color: var(--accent);
            position: relative;
        }
        .hero-desc {
            font-size: 1.2rem;
            color: rgba(255, 255, 255, 0.8);
            margin-bottom: 32px;
            line-height: 1.6;
            max-width: 560px;
            margin-left: auto;
            margin-right: auto;
        }
        .hero-buttons {
            display: flex;
            flex-wrap: wrap;
            gap: 14px;
            justify-content: center;
        }
        .btn-hero-primary {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: var(--primary);
            color: #FFFFFF;
            font-weight: 600;
            font-size: 1.05rem;
            padding: 14px 32px;
            border-radius: 28px;
            border: none;
            transition: background var(--transition-fast), transform var(--transition-fast), box-shadow var(--transition-fast);
            cursor: pointer;
        }
        .btn-hero-primary:hover {
            background: var(--primary-dark);
            transform: translateY(-2px);
            box-shadow: 0 8px 28px rgba(217, 37, 52, 0.45);
            color: #FFFFFF;
        }
        .btn-hero-outline {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: transparent;
            color: #FFFFFF;
            font-weight: 600;
            font-size: 1.05rem;
            padding: 14px 32px;
            border-radius: 28px;
            border: 2px solid rgba(255, 255, 255, 0.55);
            transition: background var(--transition-fast), border-color var(--transition-fast), transform var(--transition-fast);
            cursor: pointer;
        }
        .btn-hero-outline:hover {
            background: rgba(255, 255, 255, 0.1);
            border-color: #FFFFFF;
            transform: translateY(-2px);
            color: #FFFFFF;
        }
        .hero-countdown-row {
            display: flex;
            gap: 20px;
            justify-content: center;
            margin-top: 40px;
            flex-wrap: wrap;
        }
        .countdown-item {
            background: rgba(255, 255, 255, 0.08);
            backdrop-filter: blur(10px);
            -webkit-backdrop-filter: blur(10px);
            border: 1px solid rgba(255, 255, 255, 0.2);
            border-radius: var(--radius-lg);
            padding: 16px 20px;
            min-width: 80px;
            text-align: center;
            color: #FFFFFF;
        }
        .countdown-num {
            font-size: 2.2rem;
            font-weight: 700;
            line-height: 1;
            color: var(--accent);
        }
        .countdown-label {
            font-size: 0.8rem;
            color: rgba(255, 255, 255, 0.7);
            margin-top: 4px;
            letter-spacing: 0.04em;
        }
        @media (max-width: 768px) {
            .hero-title {
                font-size: 2rem;
            }
            .hero-desc {
                font-size: 1rem;
            }
            .hero-buttons {
                flex-direction: column;
                align-items: center;
            }
            .btn-hero-primary,
            .btn-hero-outline {
                width: 100%;
                max-width: 320px;
                justify-content: center;
                font-size: 0.95rem;
                padding: 13px 24px;
            }
            .countdown-item {
                min-width: 64px;
                padding: 12px 14px;
            }
            .countdown-num {
                font-size: 1.6rem;
            }
        }

        /* ============ 按钮系统 ============ */
        .btn-primary-custom {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            background: var(--primary);
            color: #FFFFFF;
            font-weight: 600;
            font-size: 0.95rem;
            padding: 11px 24px;
            border-radius: 24px;
            border: none;
            cursor: pointer;
            transition: background var(--transition-fast), transform var(--transition-fast), box-shadow var(--transition-fast);
        }
        .btn-primary-custom:hover {
            background: var(--primary-dark);
            transform: translateY(-1px);
            box-shadow: 0 6px 20px rgba(217, 37, 52, 0.35);
            color: #FFFFFF;
        }
        .btn-outline-custom {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            background: transparent;
            color: var(--primary);
            font-weight: 600;
            font-size: 0.95rem;
            padding: 11px 24px;
            border-radius: 24px;
            border: 2px solid var(--primary);
            cursor: pointer;
            transition: background var(--transition-fast), color var(--transition-fast), transform var(--transition-fast);
        }
        .btn-outline-custom:hover {
            background: var(--primary);
            color: #FFFFFF;
            transform: translateY(-1px);
        }
        .btn-accent-custom {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            background: var(--accent);
            color: #1A1D24;
            font-weight: 600;
            font-size: 0.95rem;
            padding: 11px 24px;
            border-radius: 24px;
            border: none;
            cursor: pointer;
            transition: background var(--transition-fast), transform var(--transition-fast), box-shadow var(--transition-fast);
        }
        .btn-accent-custom:hover {
            background: #D4A520;
            transform: translateY(-1px);
            box-shadow: 0 6px 20px rgba(232, 184, 48, 0.4);
            color: #1A1D24;
        }

        /* ============ 卡片系统 ============ */
        .info-card {
            background: var(--surface);
            border-radius: var(--radius-lg);
            padding: 28px 24px;
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--border-light);
            transition: box-shadow var(--transition), transform var(--transition);
            height: 100%;
        }
        .info-card:hover {
            box-shadow: var(--shadow-lg);
            transform: translateY(-3px);
        }
        .info-card-icon {
            display: flex;
            align-items: center;
            justify-content: center;
            width: 52px;
            height: 52px;
            border-radius: var(--radius);
            background: var(--primary-light);
            color: var(--primary);
            font-size: 1.5rem;
            margin-bottom: 16px;
        }
        .info-card-title {
            font-size: 1.1rem;
            font-weight: 650;
            margin-bottom: 8px;
            color: var(--text-primary);
        }
        .info-card-desc {
            font-size: 0.92rem;
            color: var(--text-secondary);
            line-height: 1.6;
            margin: 0;
        }

        /* ============ 数据统计卡 ============ */
        .stat-card {
            text-align: center;
            padding: 20px 16px;
        }
        .stat-number {
            font-size: 2.6rem;
            font-weight: 800;
            color: var(--primary);
            line-height: 1;
            letter-spacing: -0.02em;
        }
        .stat-number--accent {
            color: var(--accent);
        }
        .stat-label {
            font-size: 0.9rem;
            color: var(--text-secondary);
            margin-top: 6px;
        }
        .section-block--dark .stat-label {
            color: var(--text-on-dark-muted);
        }
        .section-block--dark .stat-number {
            color: #FFFFFF;
        }
        .section-block--dark .stat-number--accent {
            color: var(--accent);
        }

        /* ============ 赛程时间表 ============ */
        .schedule-timeline {
            position: relative;
            padding-left: 32px;
        }
        .schedule-timeline::before {
            content: '';
            position: absolute;
            left: 8px;
            top: 6px;
            bottom: 6px;
            width: 3px;
            background: var(--border);
            border-radius: 2px;
        }
        .schedule-item {
            position: relative;
            padding-bottom: 28px;
        }
        .schedule-item:last-child {
            padding-bottom: 0;
        }
        .schedule-item::before {
            content: '';
            position: absolute;
            left: -27px;
            top: 5px;
            width: 13px;
            height: 13px;
            border-radius: 50%;
            background: var(--primary);
            border: 3px solid var(--surface);
            box-shadow: 0 0 0 3px var(--primary-light);
            z-index: 2;
        }
        .schedule-item.completed::before {
            background: #10B981;
            box-shadow: 0 0 0 3px #D1FAE5;
        }
        .schedule-item.upcoming::before {
            background: var(--accent);
            box-shadow: 0 0 0 3px var(--accent-light);
        }
        .schedule-time {
            font-size: 0.85rem;
            font-weight: 600;
            color: var(--primary);
            margin-bottom: 2px;
        }
        .schedule-title {
            font-size: 1.05rem;
            font-weight: 650;
            color: var(--text-primary);
            margin-bottom: 4px;
        }
        .schedule-detail {
            font-size: 0.88rem;
            color: var(--text-secondary);
        }

        /* ============ 看点卡片（带封面图） ============ */
        .highlight-card {
            background: var(--surface);
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--border-light);
            transition: box-shadow var(--transition), transform var(--transition);
            height: 100%;
        }
        .highlight-card:hover {
            box-shadow: var(--shadow-lg);
            transform: translateY(-3px);
        }
        .highlight-card-img {
            width: 100%;
            height: 200px;
            object-fit: cover;
        }
        .highlight-card-body {
            padding: 20px;
        }
        .highlight-card-tag {
            display: inline-block;
            font-size: 0.75rem;
            font-weight: 600;
            padding: 3px 10px;
            border-radius: 14px;
            background: var(--primary-light);
            color: var(--primary);
            margin-bottom: 8px;
            letter-spacing: 0.03em;
        }
        .highlight-card-title {
            font-size: 1.05rem;
            font-weight: 650;
            margin-bottom: 6px;
            color: var(--text-primary);
            line-height: 1.4;
        }
        .highlight-card-desc {
            font-size: 0.88rem;
            color: var(--text-secondary);
            line-height: 1.55;
            margin: 0;
        }

        /* ============ FAQ ============ */
        .faq-accordion .accordion-item {
            border: 1px solid var(--border-light);
            border-radius: var(--radius) !important;
            margin-bottom: 10px;
            overflow: hidden;
            box-shadow: var(--shadow-xs);
            transition: box-shadow var(--transition-fast);
        }
        .faq-accordion .accordion-item:hover {
            box-shadow: var(--shadow-sm);
        }
        .faq-accordion .accordion-button {
            font-weight: 600;
            font-size: 1rem;
            color: var(--text-primary);
            background: var(--surface);
            padding: 16px 20px;
            border-radius: var(--radius) !important;
            transition: background var(--transition-fast), color var(--transition-fast);
            box-shadow: none !important;
        }
        .faq-accordion .accordion-button:not(.collapsed) {
            background: var(--primary-light);
            color: var(--primary);
        }
        .faq-accordion .accordion-button:focus {
            box-shadow: 0 0 0 3px rgba(217, 37, 52, 0.2) !important;
        }
        .faq-accordion .accordion-body {
            font-size: 0.93rem;
            color: var(--text-secondary);
            padding: 4px 20px 18px;
            line-height: 1.65;
            background: var(--surface);
        }

        /* ============ CTA 横幅 ============ */
        .cta-banner {
            position: relative;
            border-radius: var(--radius-xl);
            overflow: hidden;
            background: url('assets/images/backpic/back-2.webp') center / cover no-repeat;
            padding: 56px 40px;
            text-align: center;
            color: #FFFFFF;
        }
        .cta-banner-overlay {
            position: absolute;
            inset: 0;
            background: linear-gradient(135deg, rgba(11, 17, 25, 0.88) 0%, rgba(30, 40, 60, 0.75) 100%);
            z-index: 1;
        }
        .cta-banner-content {
            position: relative;
            z-index: 2;
        }
        .cta-banner-title {
            font-size: 1.8rem;
            font-weight: 700;
            margin-bottom: 12px;
            color: #FFFFFF;
        }
        .cta-banner-desc {
            font-size: 1rem;
            color: rgba(255, 255, 255, 0.75);
            margin-bottom: 24px;
            max-width: 500px;
            margin-left: auto;
            margin-right: auto;
        }
        @media (max-width: 768px) {
            .cta-banner {
                padding: 36px 20px;
                border-radius: var(--radius-lg);
            }
            .cta-banner-title {
                font-size: 1.4rem;
            }
        }

        /* ============ 页脚 ============ */
        .site-footer {
            background: var(--deep-bg);
            color: var(--text-on-dark);
            padding: 48px 0 28px;
        }
        .footer-brand {
            font-size: 1.25rem;
            font-weight: 700;
            color: #FFFFFF;
            margin-bottom: 8px;
        }
        .footer-desc {
            font-size: 0.9rem;
            color: var(--text-on-dark-muted);
            line-height: 1.6;
            max-width: 360px;
        }
        .footer-heading {
            font-size: 0.95rem;
            font-weight: 650;
            color: #FFFFFF;
            margin-bottom: 14px;
            letter-spacing: 0.02em;
        }
        .footer-links {
            list-style: none;
            padding: 0;
            margin: 0;
        }
        .footer-links li {
            margin-bottom: 8px;
        }
        .footer-links a {
            color: var(--text-on-dark-muted);
            font-size: 0.9rem;
            transition: color var(--transition-fast);
        }
        .footer-links a:hover {
            color: #FFFFFF;
        }
        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            margin-top: 36px;
            padding-top: 20px;
            text-align: center;
            font-size: 0.85rem;
            color: var(--text-on-dark-muted);
        }
        .footer-bottom a {
            color: var(--text-on-dark-muted);
        }
        .footer-bottom a:hover {
            color: #FFFFFF;
        }
        @media (max-width: 768px) {
            .site-footer {
                padding: 36px 0 20px;
            }
        }

        /* ============ 辅助类 ============ */
        .text-primary-custom {
            color: var(--primary) !important;
        }
        .text-accent {
            color: var(--accent) !important;
        }
        .bg-surface-alt {
            background-color: var(--surface-alt);
        }
        .divider {
            width: 50px;
            height: 3px;
            background: var(--primary);
            border-radius: 2px;
            margin: 0 auto 16px;
        }
        .divider--left {
            margin-left: 0;
            margin-right: auto;
        }

        /* ============ 平台特色列表 ============ */
        .feature-list-item {
            display: flex;
            gap: 14px;
            align-items: flex-start;
            padding: 14px 0;
            border-bottom: 1px solid var(--border-light);
        }
        .feature-list-item:last-child {
            border-bottom: none;
        }
        .feature-check {
            flex-shrink: 0;
            width: 28px;
            height: 28px;
            border-radius: 50%;
            background: #D1FAE5;
            color: #10B981;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 0.85rem;
            margin-top: 2px;
        }
        .feature-list-title {
            font-weight: 600;
            font-size: 0.98rem;
            color: var(--text-primary);
            margin-bottom: 2px;
        }
        .feature-list-desc {
            font-size: 0.85rem;
            color: var(--text-secondary);
            margin: 0;
        }

        /* ============ 响应式补充 ============ */
        @media (max-width: 991.98px) {
            .schedule-timeline {
                padding-left: 24px;
            }
            .schedule-item::before {
                left: -19px;
                width: 11px;
                height: 11px;
            }
            .schedule-timeline::before {
                left: 5px;
            }
        }
        @media (max-width: 520px) {
            .hero-title {
                font-size: 1.7rem;
            }
            .countdown-num {
                font-size: 1.4rem;
            }
            .countdown-item {
                min-width: 56px;
                padding: 10px 10px;
            }
            .countdown-label {
                font-size: 0.7rem;
            }
            .section-title {
                font-size: 1.35rem;
            }
            .info-card {
                padding: 20px 16px;
            }
        }