/* roulang page: index */
:root {
            --color-primary: #E53935;
            --color-primary-dark: #C62828;
            --color-accent: #FF6D00;
            --color-gold: #FFD700;
            --color-bg: #0A0A14;
            --color-card: #141428;
            --color-card2: #1A1A30;
            --color-border: rgba(255, 255, 255, 0.08);
            --color-text: #FFFFFF;
            --color-text-secondary: #B0B0C0;
            --color-text-muted: #8888A0;
            --radius-sm: 0.5rem;
            --radius-md: 0.75rem;
            --radius-lg: 1rem;
            --radius-xl: 1.25rem;
            --radius-2xl: 1.5rem;
            --radius-3xl: 1.75rem;
            --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.3);
            --shadow-md: 0 6px 20px rgba(0, 0, 0, 0.4);
            --shadow-lg: 0 12px 36px rgba(0, 0, 0, 0.5);
            --shadow-glow-red: 0 0 30px rgba(229, 57, 53, 0.3);
            --shadow-glow-gold: 0 0 24px rgba(255, 215, 0, 0.25);
            --transition-fast: 0.2s cubic-bezier(0.4, 0, 0.2, 1);
            --transition-smooth: 0.35s cubic-bezier(0.4, 0, 0.2, 1);
            --transition-bounce: 0.4s cubic-bezier(0.34, 1.56, 0.64, 1);
        }

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

        html {
            scroll-behavior: smooth;
            scroll-padding-top: 80px;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }

        body {
            font-family: "PingFang SC", "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;
            line-height: 1.7;
            background-color: var(--color-bg);
            color: var(--color-text);
            overflow-x: hidden;
            min-height: 100vh;
        }

        a {
            text-decoration: none;
            color: inherit;
            transition: color var(--transition-fast);
        }

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

        button {
            cursor: pointer;
            font-family: inherit;
            border: none;
            outline: none;
            transition: all var(--transition-fast);
        }

        input {
            font-family: inherit;
            outline: none;
            transition: all var(--transition-fast);
        }

        /* ===== 导航栏 ===== */
        .site-header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 1000;
            background: rgba(10, 10, 20, 0.85);
            backdrop-filter: blur(20px);
            -webkit-backdrop-filter: blur(20px);
            border-bottom: 1px solid var(--color-border);
            transition: all var(--transition-smooth);
            padding: 0 1rem;
        }

        .site-header.scrolled {
            background: rgba(10, 10, 20, 0.95);
            box-shadow: var(--shadow-md);
            border-bottom-color: rgba(255, 255, 255, 0.12);
        }

        .header-inner {
            max-width: 1280px;
            margin: 0 auto;
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 68px;
            gap: 1.5rem;
        }

        .logo-link {
            display: flex;
            align-items: center;
            gap: 0.55rem;
            font-size: 1.45rem;
            font-weight: 800;
            color: #fff;
            letter-spacing: 0.02em;
            white-space: nowrap;
            flex-shrink: 0;
            transition: all var(--transition-fast);
        }

        .logo-link:hover {
            color: var(--color-gold);
            transform: scale(1.03);
        }

        .logo-icon {
            display: flex;
            align-items: center;
            justify-content: center;
            width: 40px;
            height: 40px;
            background: linear-gradient(135deg, var(--color-primary), var(--color-accent));
            border-radius: var(--radius-md);
            font-size: 1.2rem;
            color: #fff;
            box-shadow: var(--shadow-glow-red);
            flex-shrink: 0;
        }

        .nav-links {
            display: flex;
            align-items: center;
            gap: 0.25rem;
            list-style: none;
            flex-wrap: nowrap;
        }

        .nav-links a {
            display: block;
            padding: 0.55rem 1rem;
            border-radius: var(--radius-md);
            font-size: 0.95rem;
            font-weight: 500;
            color: var(--color-text-secondary);
            transition: all var(--transition-fast);
            white-space: nowrap;
            position: relative;
        }

        .nav-links a:hover,
        .nav-links a:focus-visible {
            color: #fff;
            background: rgba(255, 255, 255, 0.06);
        }

        .nav-links a.nav-active {
            color: #fff;
            background: rgba(229, 57, 53, 0.18);
            font-weight: 600;
        }

        .nav-cta-btn {
            display: inline-flex;
            align-items: center;
            gap: 0.4rem;
            padding: 0.6rem 1.35rem;
            background: linear-gradient(135deg, var(--color-primary), #D32F2F);
            color: #fff !important;
            border-radius: 50px;
            font-weight: 700;
            font-size: 0.9rem;
            letter-spacing: 0.03em;
            box-shadow: 0 4px 16px rgba(229, 57, 53, 0.35);
            transition: all var(--transition-bounce);
            white-space: nowrap;
            flex-shrink: 0;
            border: none;
            cursor: pointer;
        }

        .nav-cta-btn:hover {
            background: linear-gradient(135deg, #F44336, var(--color-primary-dark));
            box-shadow: 0 6px 22px rgba(229, 57, 53, 0.5);
            transform: translateY(-2px);
        }

        .nav-cta-btn:active {
            transform: scale(0.96);
            box-shadow: 0 2px 10px rgba(229, 57, 53, 0.3);
        }

        /* 移动端菜单按钮 */
        .mobile-menu-toggle {
            display: none;
            width: 44px;
            height: 44px;
            align-items: center;
            justify-content: center;
            background: rgba(255, 255, 255, 0.06);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-md);
            color: #fff;
            font-size: 1.3rem;
            cursor: pointer;
            flex-shrink: 0;
            transition: all var(--transition-fast);
            z-index: 1001;
        }

        .mobile-menu-toggle:hover {
            background: rgba(255, 255, 255, 0.12);
            border-color: rgba(255, 255, 255, 0.25);
        }

        .mobile-menu-toggle i {
            transition: transform var(--transition-smooth);
        }

        .mobile-menu-toggle.active i {
            transform: rotate(90deg);
        }

        /* ===== 容器 ===== */
        .container-custom {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 1.5rem;
        }

        .section-padding {
            padding: 5rem 0;
        }

        /* ===== Hero 首屏 ===== */
        .hero-section {
            position: relative;
            min-height: 100vh;
            display: flex;
            align-items: center;
            justify-content: center;
            background-image: url('/assets/images/backpic/back-1.webp');
            background-size: cover;
            background-position: center;
            background-repeat: no-repeat;
            overflow: hidden;
            padding-top: 68px;
        }

        .hero-overlay {
            position: absolute;
            inset: 0;
            background: linear-gradient(180deg,
                    rgba(10, 10, 20, 0.65) 0%,
                    rgba(10, 10, 20, 0.78) 40%,
                    rgba(10, 10, 20, 0.92) 100%);
            z-index: 1;
        }

        .hero-glow {
            position: absolute;
            width: 500px;
            height: 500px;
            border-radius: 50%;
            background: radial-gradient(circle, rgba(229, 57, 53, 0.25) 0%, transparent 70%);
            top: 20%;
            left: 50%;
            transform: translate(-50%, -50%);
            z-index: 0;
            pointer-events: none;
            animation: heroPulse 6s ease-in-out infinite;
        }

        @keyframes heroPulse {
            0%,
            100% {
                opacity: 0.5;
                transform: translate(-50%, -50%) scale(1);
            }
            50% {
                opacity: 0.8;
                transform: translate(-50%, -50%) scale(1.25);
            }
        }

        .hero-content {
            position: relative;
            z-index: 2;
            text-align: center;
            max-width: 800px;
            padding: 2rem 1rem;
        }

        .hero-badge {
            display: inline-flex;
            align-items: center;
            gap: 0.5rem;
            padding: 0.4rem 1.1rem;
            background: rgba(255, 215, 0, 0.12);
            border: 1px solid rgba(255, 215, 0, 0.3);
            border-radius: 50px;
            font-size: 0.85rem;
            font-weight: 600;
            color: var(--color-gold);
            letter-spacing: 0.05em;
            margin-bottom: 1.5rem;
            animation: fadeInUp 0.7s ease-out;
        }

        .hero-badge .live-dot {
            width: 9px;
            height: 9px;
            border-radius: 50%;
            background: #00E676;
            animation: liveBlink 1.2s ease-in-out infinite;
            box-shadow: 0 0 10px rgba(0, 230, 118, 0.7);
        }

        @keyframes liveBlink {
            0%,
            100% {
                opacity: 1;
            }
            50% {
                opacity: 0.25;
            }
        }

        @keyframes fadeInUp {
            from {
                opacity: 0;
                transform: translateY(20px);
            }
            to {
                opacity: 1;
                transform: translateY(0);
            }
        }

        .hero-title {
            font-size: clamp(2.2rem, 5vw, 3.6rem);
            font-weight: 900;
            line-height: 1.2;
            letter-spacing: 0.03em;
            color: #fff;
            margin-bottom: 1.2rem;
            animation: fadeInUp 0.7s ease-out 0.1s both;
            text-shadow: 0 4px 30px rgba(0, 0, 0, 0.5);
        }

        .hero-title .highlight {
            color: var(--color-gold);
            position: relative;
            display: inline-block;
        }

        .hero-title .highlight::after {
            content: '';
            position: absolute;
            bottom: 4px;
            left: 0;
            right: 0;
            height: 3px;
            background: var(--color-gold);
            border-radius: 2px;
            opacity: 0.5;
        }

        .hero-subtitle {
            font-size: clamp(1.05rem, 2vw, 1.25rem);
            color: var(--color-text-secondary);
            max-width: 600px;
            margin: 0 auto 2.2rem;
            line-height: 1.7;
            animation: fadeInUp 0.7s ease-out 0.2s both;
        }

        .hero-buttons {
            display: flex;
            flex-wrap: wrap;
            gap: 1rem;
            justify-content: center;
            animation: fadeInUp 0.7s ease-out 0.3s both;
        }

        .btn-primary {
            display: inline-flex;
            align-items: center;
            gap: 0.5rem;
            padding: 0.85rem 2rem;
            background: linear-gradient(135deg, var(--color-primary), #D32F2F);
            color: #fff;
            font-weight: 700;
            font-size: 1rem;
            border-radius: 50px;
            letter-spacing: 0.03em;
            box-shadow: 0 6px 24px rgba(229, 57, 53, 0.4);
            transition: all var(--transition-bounce);
            cursor: pointer;
            border: none;
            text-decoration: none;
        }

        .btn-primary:hover {
            transform: translateY(-3px);
            box-shadow: 0 10px 32px rgba(229, 57, 53, 0.55);
            background: linear-gradient(135deg, #F44336, var(--color-primary-dark));
        }

        .btn-primary:active {
            transform: scale(0.95);
            box-shadow: 0 3px 12px rgba(229, 57, 53, 0.3);
        }

        .btn-outline-light {
            display: inline-flex;
            align-items: center;
            gap: 0.5rem;
            padding: 0.85rem 2rem;
            background: transparent;
            color: #fff;
            font-weight: 600;
            font-size: 1rem;
            border-radius: 50px;
            letter-spacing: 0.03em;
            border: 2px solid rgba(255, 255, 255, 0.3);
            transition: all var(--transition-fast);
            cursor: pointer;
            text-decoration: none;
        }

        .btn-outline-light:hover {
            border-color: #fff;
            background: rgba(255, 255, 255, 0.06);
            transform: translateY(-2px);
        }

        .btn-outline-light:active {
            transform: scale(0.96);
        }

        /* ===== 板块通用 ===== */
        .section-label {
            display: inline-block;
            font-size: 0.8rem;
            font-weight: 700;
            letter-spacing: 0.08em;
            text-transform: uppercase;
            color: var(--color-primary);
            background: rgba(229, 57, 53, 0.1);
            padding: 0.35rem 0.9rem;
            border-radius: 50px;
            margin-bottom: 0.8rem;
        }

        .section-title {
            font-size: clamp(1.6rem, 3.5vw, 2.4rem);
            font-weight: 800;
            color: #fff;
            margin-bottom: 0.8rem;
            letter-spacing: 0.02em;
        }

        .section-desc {
            font-size: 1.05rem;
            color: var(--color-text-secondary);
            max-width: 650px;
            margin: 0 auto;
            line-height: 1.7;
        }

        /* ===== 卡片 ===== */
        .feature-card {
            background: var(--color-card);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-2xl);
            padding: 2rem 1.5rem;
            transition: all var(--transition-smooth);
            position: relative;
            overflow: hidden;
            height: 100%;
            display: flex;
            flex-direction: column;
            align-items: flex-start;
        }

        .feature-card::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            height: 3px;
            background: linear-gradient(90deg, var(--color-primary), var(--color-accent), var(--color-gold));
            opacity: 0;
            transition: opacity var(--transition-smooth);
            border-radius: 0 0 2px 2px;
        }

        .feature-card:hover {
            border-color: rgba(255, 255, 255, 0.18);
            transform: translateY(-6px);
            box-shadow: var(--shadow-lg);
            background: var(--color-card2);
        }

        .feature-card:hover::before {
            opacity: 1;
        }

        .feature-card-icon {
            width: 52px;
            height: 52px;
            border-radius: var(--radius-lg);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.5rem;
            margin-bottom: 1.2rem;
            flex-shrink: 0;
            transition: all var(--transition-smooth);
        }

        .feature-card:hover .feature-card-icon {
            transform: scale(1.1);
        }

        .icon-red {
            background: rgba(229, 57, 53, 0.2);
            color: var(--color-primary);
        }
        .icon-orange {
            background: rgba(255, 109, 0, 0.2);
            color: var(--color-accent);
        }
        .icon-gold {
            background: rgba(255, 215, 0, 0.2);
            color: var(--color-gold);
        }

        .feature-card h3 {
            font-size: 1.2rem;
            font-weight: 700;
            color: #fff;
            margin-bottom: 0.5rem;
        }

        .feature-card p {
            font-size: 0.95rem;
            color: var(--color-text-secondary);
            line-height: 1.6;
            flex-grow: 1;
        }

        /* ===== 赛事卡片 ===== */
        .match-card {
            background: var(--color-card);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-2xl);
            overflow: hidden;
            transition: all var(--transition-smooth);
            height: 100%;
            display: flex;
            flex-direction: column;
        }

        .match-card:hover {
            border-color: rgba(255, 255, 255, 0.2);
            transform: translateY(-5px);
            box-shadow: var(--shadow-lg);
        }

        .match-card-img-wrap {
            position: relative;
            aspect-ratio: 16 / 10;
            overflow: hidden;
            background: #1a1a2a;
        }

        .match-card-img-wrap img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform var(--transition-smooth);
        }

        .match-card:hover .match-card-img-wrap img {
            transform: scale(1.06);
        }

        .match-card-tag {
            position: absolute;
            top: 12px;
            left: 12px;
            padding: 0.3rem 0.75rem;
            background: rgba(229, 57, 53, 0.9);
            color: #fff;
            font-size: 0.75rem;
            font-weight: 700;
            border-radius: 50px;
            letter-spacing: 0.05em;
            z-index: 2;
        }

        .match-card-body {
            padding: 1.2rem 1.3rem;
            flex-grow: 1;
            display: flex;
            flex-direction: column;
            gap: 0.5rem;
        }

        .match-card-body h3 {
            font-size: 1.1rem;
            font-weight: 700;
            color: #fff;
            line-height: 1.4;
        }

        .match-card-meta {
            font-size: 0.85rem;
            color: var(--color-text-muted);
            display: flex;
            align-items: center;
            gap: 0.5rem;
            flex-wrap: wrap;
        }

        .match-card-meta .divider {
            width: 4px;
            height: 4px;
            border-radius: 50%;
            background: var(--color-text-muted);
            flex-shrink: 0;
        }

        /* ===== 统计数字 ===== */
        .stat-block {
            text-align: center;
            padding: 1.5rem;
        }

        .stat-number {
            font-size: clamp(2rem, 4vw, 3rem);
            font-weight: 900;
            color: #fff;
            letter-spacing: 0.03em;
            line-height: 1;
            margin-bottom: 0.3rem;
        }

        .stat-number .stat-highlight {
            color: var(--color-gold);
        }

        .stat-label {
            font-size: 0.9rem;
            color: var(--color-text-secondary);
            font-weight: 500;
            letter-spacing: 0.04em;
        }

        /* ===== 流程步骤 ===== */
        .step-item {
            display: flex;
            gap: 1.2rem;
            align-items: flex-start;
            padding: 1.2rem 0;
            position: relative;
        }

        .step-number {
            width: 48px;
            height: 48px;
            border-radius: 50%;
            background: linear-gradient(135deg, var(--color-primary), var(--color-accent));
            color: #fff;
            font-weight: 800;
            font-size: 1.2rem;
            display: flex;
            align-items: center;
            justify-content: center;
            flex-shrink: 0;
            box-shadow: var(--shadow-glow-red);
        }

        .step-content h4 {
            font-size: 1.1rem;
            font-weight: 700;
            color: #fff;
            margin-bottom: 0.3rem;
        }

        .step-content p {
            font-size: 0.9rem;
            color: var(--color-text-secondary);
            line-height: 1.6;
        }

        /* ===== FAQ ===== */
        .faq-item {
            background: var(--color-card);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-xl);
            margin-bottom: 0.75rem;
            overflow: hidden;
            transition: all var(--transition-fast);
        }

        .faq-item:hover {
            border-color: rgba(255, 255, 255, 0.15);
        }

        .faq-question {
            width: 100%;
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 1.1rem 1.4rem;
            background: transparent;
            color: #fff;
            font-size: 1rem;
            font-weight: 600;
            text-align: left;
            cursor: pointer;
            border: none;
            gap: 1rem;
            transition: all var(--transition-fast);
            letter-spacing: 0.02em;
        }

        .faq-question:hover {
            background: rgba(255, 255, 255, 0.03);
        }

        .faq-question i {
            font-size: 1rem;
            color: var(--color-text-muted);
            transition: transform var(--transition-smooth);
            flex-shrink: 0;
        }

        .faq-item.open .faq-question i {
            transform: rotate(180deg);
            color: var(--color-gold);
        }

        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.4s ease, padding 0.4s ease;
            padding: 0 1.4rem;
        }

        .faq-item.open .faq-answer {
            max-height: 300px;
            padding: 0 1.4rem 1.2rem;
        }

        .faq-answer p {
            font-size: 0.9rem;
            color: var(--color-text-secondary);
            line-height: 1.7;
        }

        /* ===== CTA ===== */
        .cta-section {
            background: linear-gradient(180deg, var(--color-card) 0%, var(--color-bg) 100%);
            border-top: 1px solid var(--color-border);
            border-bottom: 1px solid var(--color-border);
            position: relative;
            overflow: hidden;
        }

        .cta-glow {
            position: absolute;
            width: 400px;
            height: 400px;
            border-radius: 50%;
            background: radial-gradient(circle, rgba(229, 57, 53, 0.2) 0%, transparent 70%);
            top: 50%;
            left: 50%;
            transform: translate(-50%, -50%);
            pointer-events: none;
            z-index: 0;
            animation: heroPulse 8s ease-in-out infinite;
        }

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

        /* 订阅表单 */
        .subscribe-form {
            display: flex;
            gap: 0.75rem;
            max-width: 480px;
            margin: 0 auto;
            flex-wrap: wrap;
            justify-content: center;
        }

        .subscribe-input {
            flex: 1;
            min-width: 220px;
            padding: 0.85rem 1.2rem;
            border-radius: 50px;
            border: 2px solid rgba(255, 255, 255, 0.2);
            background: rgba(255, 255, 255, 0.05);
            color: #fff;
            font-size: 0.95rem;
            transition: all var(--transition-fast);
            letter-spacing: 0.02em;
        }

        .subscribe-input::placeholder {
            color: var(--color-text-muted);
        }
        .subscribe-input:focus {
            border-color: var(--color-primary);
            background: rgba(255, 255, 255, 0.08);
            box-shadow: 0 0 0 4px rgba(229, 57, 53, 0.12);
        }

        .subscribe-btn {
            padding: 0.85rem 1.8rem;
            border-radius: 50px;
            background: linear-gradient(135deg, var(--color-primary), #D32F2F);
            color: #fff;
            font-weight: 700;
            font-size: 0.95rem;
            letter-spacing: 0.03em;
            cursor: pointer;
            border: none;
            box-shadow: 0 4px 18px rgba(229, 57, 53, 0.35);
            transition: all var(--transition-bounce);
            white-space: nowrap;
        }

        .subscribe-btn:hover {
            transform: translateY(-2px);
            box-shadow: 0 8px 26px rgba(229, 57, 53, 0.5);
            background: linear-gradient(135deg, #F44336, var(--color-primary-dark));
        }

        .subscribe-btn:active {
            transform: scale(0.95);
        }

        /* ===== 页脚 ===== */
        .site-footer {
            background: rgba(8, 8, 18, 0.95);
            border-top: 1px solid var(--color-border);
            padding: 2.5rem 0;
            text-align: center;
        }

        .footer-logo {
            font-size: 1.3rem;
            font-weight: 800;
            color: #fff;
            display: inline-flex;
            align-items: center;
            gap: 0.4rem;
            margin-bottom: 0.8rem;
        }

        .footer-desc {
            font-size: 0.85rem;
            color: var(--color-text-muted);
            max-width: 500px;
            margin: 0 auto 1.2rem;
            line-height: 1.6;
        }

        .footer-links {
            display: flex;
            flex-wrap: wrap;
            gap: 1.2rem;
            justify-content: center;
            list-style: none;
            margin-bottom: 1.2rem;
        }

        .footer-links a {
            font-size: 0.85rem;
            color: var(--color-text-secondary);
            transition: color var(--transition-fast);
        }

        .footer-links a:hover {
            color: #fff;
        }

        .footer-copyright {
            font-size: 0.8rem;
            color: var(--color-text-muted);
            letter-spacing: 0.03em;
        }

        /* ===== 响应式 ===== */
        @media (max-width: 1024px) {
            .nav-links a {
                padding: 0.45rem 0.7rem;
                font-size: 0.85rem;
            }
            .nav-cta-btn {
                padding: 0.5rem 1rem;
                font-size: 0.8rem;
            }
            .section-padding {
                padding: 3.5rem 0;
            }
        }

        @media (max-width: 768px) {
            .mobile-menu-toggle {
                display: flex;
            }

            .nav-links {
                position: fixed;
                top: 68px;
                left: 0;
                right: 0;
                background: rgba(14, 14, 26, 0.97);
                backdrop-filter: blur(18px);
                -webkit-backdrop-filter: blur(18px);
                flex-direction: column;
                padding: 1rem;
                gap: 0.35rem;
                border-bottom: 1px solid var(--color-border);
                box-shadow: var(--shadow-lg);
                transform: translateY(-120%);
                opacity: 0;
                pointer-events: none;
                transition: all var(--transition-smooth);
                z-index: 999;
            }

            .nav-links.mobile-open {
                transform: translateY(0);
                opacity: 1;
                pointer-events: auto;
            }

            .nav-links a {
                padding: 0.75rem 1rem;
                font-size: 0.95rem;
                border-radius: var(--radius-md);
                width: 100%;
                text-align: center;
            }

            .nav-cta-btn {
                display: none;
            }
            .nav-mobile-cta {
                display: block;
                width: 100%;
                text-align: center;
                padding: 0.75rem 1rem;
                background: linear-gradient(135deg, var(--color-primary), #D32F2F);
                color: #fff;
                border-radius: 50px;
                font-weight: 700;
                font-size: 0.95rem;
                letter-spacing: 0.03em;
                margin-top: 0.3rem;
                cursor: pointer;
                border: none;
                transition: all var(--transition-fast);
            }
            .nav-mobile-cta:hover {
                background: linear-gradient(135deg, #F44336, var(--color-primary-dark));
            }

            .hero-section {
                min-height: 90vh;
            }
            .hero-title {
                font-size: 1.8rem;
            }
            .hero-subtitle {
                font-size: 0.95rem;
            }
            .btn-primary,
            .btn-outline-light {
                padding: 0.7rem 1.4rem;
                font-size: 0.9rem;
            }
            .section-padding {
                padding: 2.8rem 0;
            }
            .feature-card {
                padding: 1.4rem 1.1rem;
            }
            .match-card-body {
                padding: 1rem;
            }
            .step-item {
                flex-direction: column;
                gap: 0.6rem;
                align-items: center;
                text-align: center;
            }
            .subscribe-form {
                flex-direction: column;
                align-items: center;
            }
            .subscribe-input {
                width: 100%;
                max-width: 380px;
            }
            .subscribe-btn {
                width: 100%;
                max-width: 380px;
                text-align: center;
                justify-content: center;
            }
        }

        @media (max-width: 520px) {
            .header-inner {
                height: 58px;
            }
            .logo-link {
                font-size: 1.2rem;
                gap: 0.4rem;
            }
            .logo-icon {
                width: 34px;
                height: 34px;
                font-size: 1rem;
                border-radius: 0.5rem;
            }
            .nav-links {
                top: 58px;
            }
            .hero-section {
                min-height: 85vh;
                padding-top: 58px;
            }
            .hero-title {
                font-size: 1.5rem;
            }
            .hero-subtitle {
                font-size: 0.85rem;
            }
            .hero-buttons {
                flex-direction: column;
                align-items: center;
                gap: 0.7rem;
            }
            .hero-buttons .btn-primary,
            .hero-buttons .btn-outline-light {
                width: 100%;
                max-width: 300px;
                justify-content: center;
                text-align: center;
            }
            .section-title {
                font-size: 1.4rem;
            }
            .section-desc {
                font-size: 0.9rem;
            }
            .stat-number {
                font-size: 1.5rem;
            }
            .feature-card {
                padding: 1.2rem 1rem;
                border-radius: var(--radius-xl);
            }
            .match-card {
                border-radius: var(--radius-xl);
            }
            .container-custom {
                padding: 0 1rem;
            }
            .faq-question {
                font-size: 0.9rem;
                padding: 0.9rem 1rem;
            }
            .faq-answer {
                padding: 0 1rem;
            }
            .faq-item.open .faq-answer {
                padding: 0 1rem 1rem;
            }
        }

        /* 可访问性 */
        a:focus-visible,
        button:focus-visible,
        input:focus-visible {
            outline: 2px solid var(--color-gold);
            outline-offset: 3px;
            border-radius: 4px;
        }

        /* 滚动条 */
        ::-webkit-scrollbar {
            width: 6px;
        }
        ::-webkit-scrollbar-track {
            background: var(--color-bg);
        }
        ::-webkit-scrollbar-thumb {
            background: rgba(255, 255, 255, 0.15);
            border-radius: 3px;
        }
        ::-webkit-scrollbar-thumb:hover {
            background: rgba(255, 255, 255, 0.25);
        }