/* roulang page: index */
/* ========== 设计变量 ========== */
        :root {
            --color-primary: #0b1d3a;
            --color-primary-light: #132d56;
            --color-accent: #f05a28;
            --color-accent-hover: #d44a1e;
            --color-gold: #f0a500;
            --color-gold-light: #fef7e6;
            --color-bg: #f6f7f9;
            --color-bg-alt: #eef0f4;
            --color-white: #ffffff;
            --color-text: #1a1d28;
            --color-text-secondary: #5a5f6e;
            --color-text-muted: #8b8f9a;
            --color-border: #e2e5ea;
            --color-border-light: #eef0f3;
            --color-success: #10b981;
            --color-live: #ef4444;
            --radius-sm: 8px;
            --radius-md: 14px;
            --radius-lg: 20px;
            --radius-xl: 28px;
            --shadow-sm: 0 1px 3px rgba(0,0,0,0.06), 0 1px 2px rgba(0,0,0,0.04);
            --shadow-md: 0 4px 16px rgba(0,0,0,0.08), 0 2px 6px rgba(0,0,0,0.04);
            --shadow-lg: 0 12px 36px rgba(0,0,0,0.10), 0 4px 12px rgba(0,0,0,0.05);
            --shadow-xl: 0 20px 50px rgba(0,0,0,0.14), 0 8px 20px rgba(0,0,0,0.06);
            --transition-fast: 0.18s ease;
            --transition-base: 0.25s ease;
            --transition-slow: 0.35s cubic-bezier(0.4, 0, 0.2, 1);
            --font-heading: 'PingFang SC', 'Microsoft YaHei', 'Helvetica Neue', sans-serif;
            --font-body: 'PingFang SC', 'Microsoft YaHei', 'Helvetica Neue', Arial, sans-serif;
            --max-width: 1240px;
            --nav-height: 68px;
            --section-gap: 72px;
        }

        /* ========== Reset & Base ========== */
        *, *::before, *::after {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }

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

        body {
            font-family: var(--font-body);
            font-size: 16px;
            line-height: 1.7;
            color: var(--color-text);
            background-color: var(--color-bg);
            min-height: 100vh;
            overflow-x: hidden;
        }

        a {
            color: inherit;
            text-decoration: none;
            transition: color var(--transition-fast);
        }
        a:hover, a:focus {
            color: var(--color-accent);
            outline: none;
        }
        a:focus-visible {
            outline: 2px solid var(--color-accent);
            outline-offset: 3px;
            border-radius: 4px;
        }

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

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

        button:focus-visible, input:focus-visible {
            outline: 2px solid var(--color-accent);
            outline-offset: 2px;
        }

        h1, h2, h3, h4, h5, h6 {
            font-family: var(--font-heading);
            font-weight: 700;
            line-height: 1.3;
            color: var(--color-text);
        }

        h1 { font-size: clamp(2rem, 4.5vw, 3.2rem); }
        h2 { font-size: clamp(1.5rem, 3vw, 2.2rem); }
        h3 { font-size: clamp(1.1rem, 2vw, 1.45rem); }

        /* ========== 容器 ========== */
        .site-container {
            max-width: var(--max-width);
            margin: 0 auto;
            padding: 0 24px;
        }
        @media (max-width: 640px) {
            .site-container {
                padding: 0 16px;
            }
        }

        /* ========== 导航栏 ========== */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 1000;
            background: rgba(11, 29, 58, 0.97);
            backdrop-filter: blur(18px);
            -webkit-backdrop-filter: blur(18px);
            border-bottom: 1px solid rgba(255,255,255,0.08);
            height: var(--nav-height);
            display: flex;
            align-items: center;
        }
        .site-header .site-container {
            display: flex;
            align-items: center;
            justify-content: space-between;
            width: 100%;
        }
        .nav-logo {
            font-family: var(--font-heading);
            font-size: 1.35rem;
            font-weight: 800;
            color: #ffffff;
            letter-spacing: 0.02em;
            white-space: nowrap;
            display: flex;
            align-items: center;
            gap: 10px;
            transition: opacity var(--transition-fast);
        }
        .nav-logo:hover {
            opacity: 0.85;
            color: #ffffff;
        }
        .nav-logo i {
            color: var(--color-accent);
            font-size: 1.5rem;
        }
        .nav-links {
            display: flex;
            align-items: center;
            gap: 28px;
            list-style: none;
        }
        .nav-links a {
            color: rgba(255,255,255,0.85);
            font-weight: 500;
            font-size: 0.95rem;
            padding: 6px 2px;
            border-bottom: 2px solid transparent;
            transition: color var(--transition-fast), border-color var(--transition-fast);
            white-space: nowrap;
        }
        .nav-links a:hover,
        .nav-links a.active {
            color: #ffffff;
            border-bottom-color: var(--color-accent);
        }
        .nav-links a.active {
            font-weight: 600;
        }
        .nav-cta {
            display: inline-flex;
            align-items: center;
            gap: 7px;
            background: var(--color-accent);
            color: #ffffff !important;
            padding: 10px 20px;
            border-radius: 50px;
            font-weight: 600;
            font-size: 0.9rem;
            white-space: nowrap;
            transition: background var(--transition-fast), transform var(--transition-fast), box-shadow var(--transition-fast);
            border-bottom: none !important;
        }
        .nav-cta:hover {
            background: var(--color-accent-hover);
            transform: translateY(-1px);
            box-shadow: 0 6px 20px rgba(240,90,40,0.35);
            color: #ffffff !important;
        }
        .nav-live-badge {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            background: var(--color-live);
            color: #ffffff;
            padding: 5px 12px;
            border-radius: 50px;
            font-size: 0.78rem;
            font-weight: 700;
            letter-spacing: 0.04em;
            animation: livePulse 1.8s ease-in-out infinite;
        }
        .nav-live-badge .live-dot {
            width: 8px;
            height: 8px;
            border-radius: 50%;
            background: #ffffff;
            animation: liveDotBlink 0.9s ease-in-out infinite;
        }
        @keyframes livePulse {
            0%, 100% { box-shadow: 0 0 0 0 rgba(239,68,68,0.5); }
            50% { box-shadow: 0 0 0 10px rgba(239,68,68,0); }
        }
        @keyframes liveDotBlink {
            0%, 100% { opacity: 1; }
            50% { opacity: 0.3; }
        }
        /* 移动端导航 - Foundation title-bar 覆盖 */
        .title-bar {
            background: transparent;
            padding: 0;
        }
        .title-bar .menu-icon {
            margin-right: 0;
        }
        .title-bar .menu-icon::after {
            background: #ffffff;
            box-shadow: 0 7px 0 #ffffff, 0 14px 0 #ffffff;
        }
        .title-bar .menu-icon:hover::after {
            background: var(--color-accent);
            box-shadow: 0 7px 0 var(--color-accent), 0 14px 0 var(--color-accent);
        }
        .top-bar {
            background: transparent;
            padding: 0;
        }
        .top-bar, .top-bar ul {
            background: transparent;
        }
        .top-bar .menu > li > a {
            color: rgba(255,255,255,0.85);
            font-weight: 500;
            padding: 6px 2px;
        }
        .top-bar .menu > li > a:hover {
            color: #ffffff;
        }
        .top-bar-right {
            display: flex;
            align-items: center;
            gap: 16px;
        }

        /* ========== Hero 首屏 ========== */
        .hero-section {
            background: linear-gradient(160deg, #0b1d3a 0%, #132d56 30%, #0f2545 60%, #0a1830 100%);
            padding: 80px 0 90px;
            position: relative;
            overflow: hidden;
        }
        .hero-section::before {
            content: '';
            position: absolute;
            top: -120px;
            right: -180px;
            width: 600px;
            height: 600px;
            background: radial-gradient(circle, rgba(240,90,40,0.12) 0%, transparent 70%);
            border-radius: 50%;
            pointer-events: none;
        }
        .hero-section::after {
            content: '';
            position: absolute;
            bottom: -80px;
            left: -100px;
            width: 400px;
            height: 400px;
            background: radial-gradient(circle, rgba(240,165,0,0.08) 0%, transparent 70%);
            border-radius: 50%;
            pointer-events: none;
        }
        .hero-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 48px;
            align-items: center;
            position: relative;
            z-index: 1;
        }
        .hero-content {
            color: #ffffff;
        }
        .hero-badge-row {
            display: flex;
            flex-wrap: wrap;
            gap: 10px;
            margin-bottom: 20px;
        }
        .hero-badge {
            display: inline-flex;
            align-items: center;
            gap: 5px;
            background: rgba(255,255,255,0.1);
            border: 1px solid rgba(255,255,255,0.18);
            color: #ffffff;
            padding: 6px 14px;
            border-radius: 50px;
            font-size: 0.82rem;
            font-weight: 500;
            backdrop-filter: blur(4px);
        }
        .hero-badge.live-tag {
            background: var(--color-live);
            border-color: var(--color-live);
            font-weight: 700;
        }
        .hero-badge.live-tag .live-dot {
            width: 7px;
            height: 7px;
            border-radius: 50%;
            background: #ffffff;
            animation: liveDotBlink 0.9s ease-in-out infinite;
        }
        .hero-title {
            font-size: clamp(2.2rem, 5vw, 3.5rem);
            font-weight: 900;
            color: #ffffff;
            line-height: 1.15;
            margin-bottom: 18px;
            letter-spacing: -0.01em;
        }
        .hero-title .highlight {
            color: var(--color-accent);
            display: inline;
        }
        .hero-desc {
            font-size: 1.1rem;
            color: rgba(255,255,255,0.78);
            line-height: 1.6;
            margin-bottom: 30px;
            max-width: 480px;
        }
        .hero-actions {
            display: flex;
            flex-wrap: wrap;
            gap: 14px;
        }
        .btn-primary-hero {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: var(--color-accent);
            color: #ffffff;
            padding: 14px 30px;
            border-radius: 50px;
            font-weight: 700;
            font-size: 1rem;
            transition: background var(--transition-fast), transform var(--transition-fast), box-shadow var(--transition-fast);
            cursor: pointer;
            text-align: center;
            border: none;
            white-space: nowrap;
        }
        .btn-primary-hero:hover {
            background: var(--color-accent-hover);
            transform: translateY(-2px);
            box-shadow: 0 10px 30px rgba(240,90,40,0.4);
            color: #ffffff;
        }
        .btn-outline-hero {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: transparent;
            color: #ffffff;
            padding: 14px 30px;
            border-radius: 50px;
            font-weight: 600;
            font-size: 1rem;
            transition: background var(--transition-fast), border-color var(--transition-fast);
            cursor: pointer;
            text-align: center;
            border: 2px solid rgba(255,255,255,0.35);
            white-space: nowrap;
        }
        .btn-outline-hero:hover {
            background: rgba(255,255,255,0.08);
            border-color: rgba(255,255,255,0.6);
            color: #ffffff;
        }
        .hero-visual {
            display: flex;
            align-items: center;
            justify-content: center;
        }
        .hero-card-stack {
            position: relative;
            width: 100%;
            max-width: 420px;
            aspect-ratio: 16/10;
        }
        .hero-main-card {
            background: rgba(255,255,255,0.06);
            border: 1px solid rgba(255,255,255,0.12);
            border-radius: var(--radius-lg);
            padding: 28px;
            backdrop-filter: blur(8px);
            position: relative;
            z-index: 2;
            box-shadow: var(--shadow-xl);
        }
        .hero-main-card .match-row {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 12px;
            margin-bottom: 14px;
        }
        .hero-main-card .team-block {
            display: flex;
            flex-direction: column;
            align-items: center;
            gap: 6px;
        }
        .hero-main-card .team-icon {
            width: 52px;
            height: 52px;
            border-radius: 50%;
            background: rgba(255,255,255,0.1);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.4rem;
            color: #ffffff;
        }
        .hero-main-card .team-name {
            font-size: 0.85rem;
            color: rgba(255,255,255,0.85);
            font-weight: 500;
        }
        .hero-main-card .score-vs {
            font-size: 2rem;
            font-weight: 900;
            color: var(--color-accent);
        }
        .hero-main-card .match-status {
            text-align: center;
            font-size: 0.78rem;
            color: var(--color-gold);
            font-weight: 600;
            letter-spacing: 0.03em;
        }
        @media (max-width: 1024px) {
            .hero-grid {
                grid-template-columns: 1fr;
                gap: 32px;
                text-align: center;
            }
            .hero-desc {
                max-width: 100%;
                margin-left: auto;
                margin-right: auto;
            }
            .hero-actions {
                justify-content: center;
            }
            .hero-badge-row {
                justify-content: center;
            }
            .hero-visual {
                max-width: 340px;
                margin: 0 auto;
            }
        }
        @media (max-width: 640px) {
            .hero-section {
                padding: 48px 0 56px;
            }
            .hero-main-card {
                padding: 20px;
            }
            .hero-main-card .team-icon {
                width: 40px;
                height: 40px;
                font-size: 1.1rem;
            }
            .hero-main-card .score-vs {
                font-size: 1.5rem;
            }
            .btn-primary-hero,
            .btn-outline-hero {
                padding: 12px 22px;
                font-size: 0.9rem;
                width: 100%;
                justify-content: center;
            }
            .hero-actions {
                flex-direction: column;
                width: 100%;
            }
        }

        /* ========== 通用板块 ========== */
        .section-block {
            padding: var(--section-gap) 0;
        }
        .section-block.alt-bg {
            background: var(--color-white);
        }
        .section-block.dark-bg {
            background: var(--color-primary);
            color: #ffffff;
        }
        .section-header {
            text-align: center;
            margin-bottom: 44px;
        }
        .section-header .section-label {
            display: inline-block;
            font-size: 0.82rem;
            font-weight: 700;
            text-transform: uppercase;
            letter-spacing: 0.06em;
            color: var(--color-accent);
            margin-bottom: 8px;
        }
        .section-header h2 {
            margin: 0 auto;
            max-width: 640px;
        }
        .section-header .section-subtitle {
            color: var(--color-text-secondary);
            margin-top: 10px;
            font-size: 1rem;
            max-width: 520px;
            margin-left: auto;
            margin-right: auto;
        }
        .dark-bg .section-header h2 { color: #ffffff; }
        .dark-bg .section-header .section-subtitle { color: rgba(255,255,255,0.7); }

        /* ========== 核心优势卡片 ========== */
        .features-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }
        .feature-card {
            background: var(--color-white);
            border-radius: var(--radius-md);
            padding: 32px 24px;
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--color-border-light);
            transition: transform var(--transition-base), box-shadow var(--transition-base);
            text-align: center;
        }
        .feature-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-lg);
        }
        .feature-icon-wrap {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 60px;
            height: 60px;
            border-radius: 50%;
            background: var(--color-gold-light);
            color: var(--color-accent);
            font-size: 1.5rem;
            margin-bottom: 16px;
        }
        .feature-card h3 {
            font-size: 1.15rem;
            margin-bottom: 8px;
        }
        .feature-card p {
            color: var(--color-text-secondary);
            font-size: 0.93rem;
            line-height: 1.6;
        }
        @media (max-width: 1024px) {
            .features-grid {
                grid-template-columns: repeat(2, 1fr);
            }
        }
        @media (max-width: 640px) {
            .features-grid {
                grid-template-columns: 1fr;
                gap: 16px;
            }
            .feature-card {
                padding: 24px 18px;
            }
        }

        /* ========== 热门赛事卡片 ========== */
        .matches-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 18px;
        }
        .match-card {
            background: var(--color-white);
            border-radius: var(--radius-md);
            padding: 20px 16px;
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--color-border-light);
            text-align: center;
            transition: transform var(--transition-fast), box-shadow var(--transition-fast);
            cursor: pointer;
        }
        .match-card:hover {
            transform: translateY(-3px);
            box-shadow: var(--shadow-md);
        }
        .match-card .match-date {
            font-size: 0.78rem;
            color: var(--color-text-muted);
            margin-bottom: 8px;
            font-weight: 500;
        }
        .match-card .match-teams {
            font-weight: 700;
            font-size: 1rem;
            margin-bottom: 4px;
            color: var(--color-text);
        }
        .match-card .match-info {
            font-size: 0.8rem;
            color: var(--color-text-secondary);
        }
        .match-card .match-tag {
            display: inline-block;
            margin-top: 10px;
            padding: 4px 10px;
            border-radius: 50px;
            font-size: 0.72rem;
            font-weight: 600;
            background: #fef2f2;
            color: var(--color-live);
        }
        .match-card .match-tag.upcoming {
            background: #f0f9ff;
            color: #3b82f6;
        }
        @media (max-width: 1024px) {
            .matches-grid {
                grid-template-columns: repeat(2, 1fr);
            }
        }
        @media (max-width: 640px) {
            .matches-grid {
                grid-template-columns: 1fr 1fr;
                gap: 10px;
            }
            .match-card {
                padding: 14px 10px;
            }
            .match-card .match-teams {
                font-size: 0.85rem;
            }
        }

        /* ========== 数据统计 ========== */
        .stats-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
        }
        .stat-card {
            text-align: center;
            padding: 28px 16px;
            background: rgba(255,255,255,0.05);
            border-radius: var(--radius-md);
            border: 1px solid rgba(255,255,255,0.1);
        }
        .stat-card .stat-number {
            font-size: 2.8rem;
            font-weight: 900;
            color: var(--color-accent);
            line-height: 1.1;
        }
        .stat-card .stat-label {
            font-size: 0.9rem;
            color: rgba(255,255,255,0.7);
            margin-top: 6px;
        }
        @media (max-width: 1024px) {
            .stats-grid {
                grid-template-columns: repeat(2, 1fr);
            }
        }
        @media (max-width: 640px) {
            .stats-grid {
                grid-template-columns: 1fr 1fr;
                gap: 12px;
            }
            .stat-card {
                padding: 20px 10px;
            }
            .stat-card .stat-number {
                font-size: 2rem;
            }
        }

        /* ========== 观看流程 ========== */
        .steps-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
            position: relative;
        }
        .step-card {
            text-align: center;
            padding: 28px 18px;
            background: var(--color-white);
            border-radius: var(--radius-md);
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--color-border-light);
            position: relative;
        }
        .step-number {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 44px;
            height: 44px;
            border-radius: 50%;
            background: var(--color-accent);
            color: #ffffff;
            font-weight: 800;
            font-size: 1.1rem;
            margin-bottom: 14px;
        }
        .step-card h3 {
            font-size: 1rem;
            margin-bottom: 6px;
        }
        .step-card p {
            font-size: 0.85rem;
            color: var(--color-text-secondary);
        }
        @media (max-width: 1024px) {
            .steps-grid {
                grid-template-columns: repeat(2, 1fr);
            }
        }
        @media (max-width: 640px) {
            .steps-grid {
                grid-template-columns: 1fr;
                gap: 14px;
            }
        }

        /* ========== 精彩集锦 ========== */
        .highlights-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 22px;
        }
        .highlight-card {
            background: var(--color-white);
            border-radius: var(--radius-md);
            overflow: hidden;
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--color-border-light);
            transition: transform var(--transition-base), box-shadow var(--transition-base);
            cursor: pointer;
        }
        .highlight-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-lg);
        }
        .highlight-thumb {
            aspect-ratio: 16/10;
            background: linear-gradient(135deg, #1a3a5c 0%, #0f2545 50%, #1e4a6e 100%);
            display: flex;
            align-items: center;
            justify-content: center;
            position: relative;
        }
        .highlight-thumb .play-icon {
            width: 50px;
            height: 50px;
            border-radius: 50%;
            background: rgba(255,255,255,0.9);
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--color-accent);
            font-size: 1.2rem;
            transition: transform var(--transition-fast), background var(--transition-fast);
        }
        .highlight-card:hover .play-icon {
            transform: scale(1.1);
            background: #ffffff;
        }
        .highlight-thumb .duration-tag {
            position: absolute;
            bottom: 10px;
            right: 10px;
            background: rgba(0,0,0,0.7);
            color: #ffffff;
            padding: 3px 8px;
            border-radius: 4px;
            font-size: 0.72rem;
            font-weight: 500;
        }
        .highlight-body {
            padding: 16px;
        }
        .highlight-body h3 {
            font-size: 0.95rem;
            margin-bottom: 4px;
        }
        .highlight-body .highlight-meta {
            font-size: 0.78rem;
            color: var(--color-text-muted);
        }
        @media (max-width: 1024px) {
            .highlights-grid {
                grid-template-columns: repeat(2, 1fr);
            }
        }
        @media (max-width: 640px) {
            .highlights-grid {
                grid-template-columns: 1fr;
                gap: 14px;
            }
        }

        /* ========== FAQ手风琴 ========== */
        .faq-wrapper {
            max-width: 760px;
            margin: 0 auto;
        }
        .accordion {
            border-radius: var(--radius-md);
            overflow: hidden;
            box-shadow: var(--shadow-sm);
        }
        .accordion-item {
            border: 1px solid var(--color-border);
            border-bottom: none;
            background: var(--color-white);
        }
        .accordion-item:last-child {
            border-bottom: 1px solid var(--color-border);
        }
        .accordion-title {
            font-size: 1rem;
            font-weight: 600;
            padding: 18px 24px;
            cursor: pointer;
            background: var(--color-white);
            border: none;
            width: 100%;
            text-align: left;
            display: flex;
            align-items: center;
            justify-content: space-between;
            transition: background var(--transition-fast);
            color: var(--color-text);
        }
        .accordion-title:hover {
            background: #fafbfc;
        }
        .accordion-title::after {
            content: '\f107';
            font-family: 'Font Awesome 6 Free';
            font-weight: 900;
            color: var(--color-text-muted);
            transition: transform var(--transition-fast);
            font-size: 0.9rem;
        }
        .accordion-item.is-active .accordion-title::after {
            transform: rotate(180deg);
            color: var(--color-accent);
        }
        .accordion-content {
            padding: 0 24px 18px;
            color: var(--color-text-secondary);
            font-size: 0.93rem;
            line-height: 1.7;
            background: var(--color-white);
        }
        .accordion-item.is-active .accordion-title {
            color: var(--color-accent);
        }

        /* ========== CTA板块 ========== */
        .cta-section {
            padding: var(--section-gap) 0;
            background: linear-gradient(150deg, #0b1d3a 0%, #152f54 100%);
            text-align: center;
            color: #ffffff;
            position: relative;
            overflow: hidden;
        }
        .cta-section::before {
            content: '';
            position: absolute;
            top: -60px;
            left: 50%;
            transform: translateX(-50%);
            width: 500px;
            height: 500px;
            background: radial-gradient(circle, rgba(240,90,40,0.15) 0%, transparent 70%);
            border-radius: 50%;
            pointer-events: none;
        }
        .cta-section .site-container {
            position: relative;
            z-index: 1;
        }
        .cta-section h2 {
            color: #ffffff;
            font-size: clamp(1.6rem, 3.5vw, 2.4rem);
            margin-bottom: 12px;
        }
        .cta-section p {
            color: rgba(255,255,255,0.75);
            font-size: 1.05rem;
            margin-bottom: 28px;
            max-width: 500px;
            margin-left: auto;
            margin-right: auto;
        }
        .cta-section .btn-primary-hero {
            font-size: 1.1rem;
            padding: 16px 36px;
        }

        /* ========== 页脚 ========== */
        .site-footer {
            background: #0a1527;
            color: rgba(255,255,255,0.6);
            padding: 40px 0 24px;
            font-size: 0.88rem;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr;
            gap: 32px;
            margin-bottom: 28px;
        }
        .footer-brand-name {
            font-family: var(--font-heading);
            font-weight: 800;
            font-size: 1.1rem;
            color: #ffffff;
            margin-bottom: 8px;
        }
        .footer-desc {
            line-height: 1.6;
            max-width: 280px;
        }
        .footer-col h4 {
            color: #ffffff;
            font-size: 0.9rem;
            margin-bottom: 10px;
            font-weight: 600;
        }
        .footer-col ul {
            list-style: none;
        }
        .footer-col ul li {
            margin-bottom: 6px;
        }
        .footer-col ul li a {
            color: rgba(255,255,255,0.55);
            transition: color var(--transition-fast);
        }
        .footer-col ul li a:hover {
            color: var(--color-accent);
        }
        .footer-bottom {
            border-top: 1px solid rgba(255,255,255,0.08);
            padding-top: 18px;
            text-align: center;
            font-size: 0.8rem;
            color: rgba(255,255,255,0.4);
        }
        @media (max-width: 768px) {
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 20px;
                text-align: center;
            }
            .footer-desc {
                max-width: 100%;
            }
            .footer-col ul {
                display: flex;
                flex-wrap: wrap;
                gap: 12px;
                justify-content: center;
            }
        }

        /* ========== Foundation覆盖 ========== */
        .button {
            border-radius: 50px;
            font-weight: 600;
            transition: all var(--transition-fast);
        }
        .top-bar .menu .active > a {
            color: #ffffff;
            font-weight: 600;
            border-bottom: 2px solid var(--color-accent);
        }
        .is-dropdown-submenu {
            border-radius: var(--radius-sm);
            box-shadow: var(--shadow-lg);
            border: 1px solid var(--color-border);
        }

        /* ========== 响应式导航调整 ========== */
        @media (max-width: 639px) {
            .site-header {
                height: auto;
                min-height: 56px;
                padding: 8px 0;
            }
            .top-bar .menu {
                flex-direction: column;
                gap: 2px;
            }
            .top-bar .menu > li > a {
                padding: 10px 16px;
            }
            .top-bar-right {
                flex-direction: column;
                align-items: flex-start;
                gap: 8px;
                padding: 8px 0;
            }
            .nav-live-badge {
                font-size: 0.7rem;
                padding: 4px 10px;
            }
            .nav-cta {
                width: 100%;
                justify-content: center;
                border-radius: 8px;
                padding: 10px 16px;
            }
        }
        @media (min-width: 640px) {
            .title-bar {
                display: none !important;
            }
        }

        /* ========== 附加微交互 ========== */
        .card-hover-lift {
            transition: transform var(--transition-base), box-shadow var(--transition-base);
        }
        .card-hover-lift:hover {
            transform: translateY(-3px);
            box-shadow: var(--shadow-md);
        }
        .text-accent {
            color: var(--color-accent);
        }
        .text-gold {
            color: var(--color-gold);
        }
        .fw-900 {
            font-weight: 900;
        }