/* roulang page: index */
/* ========== 设计变量 ========== */
        :root {
            --bg-primary: #0c1311;
            --bg-secondary: #101b18;
            --bg-card: #15231f;
            --bg-card-hover: #1a2c26;
            --bg-elevated: #1b302a;
            --accent: #d4a94e;
            --accent-hover: #e0bc6a;
            --accent-soft: rgba(212, 169, 78, 0.14);
            --accent-border: rgba(212, 169, 78, 0.3);
            --text-primary: #f5f0e8;
            --text-secondary: #b0bdb8;
            --text-muted: #7e8d87;
            --text-on-accent: #1a1408;
            --border-subtle: rgba(212, 169, 78, 0.14);
            --border-medium: rgba(176, 189, 184, 0.18);
            --radius-sm: 8px;
            --radius-md: 14px;
            --radius-lg: 20px;
            --radius-xl: 28px;
            --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.25);
            --shadow-md: 0 8px 28px rgba(0, 0, 0, 0.32);
            --shadow-lg: 0 18px 48px rgba(0, 0, 0, 0.42);
            --shadow-glow: 0 0 32px rgba(212, 169, 78, 0.12);
            --font-sans: 'PingFang SC', 'Microsoft YaHei', 'Helvetica Neue', 'Noto Sans SC', system-ui, -apple-system, sans-serif;
            --max-width: 1200px;
            --header-height: 72px;
            --transition-fast: 0.2s ease;
            --transition-base: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
            --transition-slow: 0.5s cubic-bezier(0.4, 0, 0.2, 1);
        }

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

        html {
            scroll-behavior: smooth;
            -webkit-text-size-adjust: 100%;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }

        body {
            font-family: var(--font-sans);
            line-height: 1.7;
            color: var(--text-primary);
            background-color: var(--bg-primary);
            background-image: 
                radial-gradient(ellipse at 20% -10%, rgba(212, 169, 78, 0.06) 0%, transparent 55%),
                radial-gradient(ellipse at 85% 15%, rgba(20, 60, 50, 0.3) 0%, transparent 50%);
            min-height: 100vh;
            overflow-x: hidden;
        }

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

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

        button, input, textarea, select {
            font-family: inherit;
            font-size: inherit;
            line-height: inherit;
            color: inherit;
        }

        button {
            cursor: pointer;
            border: none;
            background: none;
        }

        ul, ol {
            list-style: none;
        }

        h1, h2, h3, h4, h5, h6 {
            line-height: 1.3;
            font-weight: 600;
            color: var(--text-primary);
            margin: 0;
        }

        h1 {
            font-size: clamp(1.8rem, 4.5vw, 2.8rem);
            letter-spacing: 0.02em;
        }
        h2 {
            font-size: clamp(1.4rem, 3vw, 2rem);
            letter-spacing: 0.015em;
        }
        h3 {
            font-size: clamp(1.1rem, 2.2vw, 1.4rem);
        }
        h4 {
            font-size: 1.05rem;
        }

        /* ========== 容器 ========== */
        .container {
            max-width: var(--max-width);
            margin: 0 auto;
            padding: 0 28px;
        }

        /* ========== 头部导航 ========== */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 1000;
            background: rgba(12, 19, 17, 0.88);
            backdrop-filter: blur(18px);
            -webkit-backdrop-filter: blur(18px);
            border-bottom: 1px solid var(--border-subtle);
            height: var(--header-height);
            display: flex;
            align-items: center;
            transition: background var(--transition-base), box-shadow var(--transition-base);
        }
        .site-header.scrolled {
            background: rgba(12, 19, 17, 0.96);
            box-shadow: 0 4px 24px rgba(0, 0, 0, 0.35);
        }
        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            width: 100%;
            gap: 20px;
        }
        .logo-link {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            font-size: 1.02rem;
            font-weight: 650;
            color: var(--text-primary);
            letter-spacing: 0.03em;
            white-space: nowrap;
            transition: color var(--transition-fast);
        }
        .logo-link:hover {
            color: var(--accent);
        }
        .logo-dot {
            width: 8px;
            height: 8px;
            border-radius: 50%;
            background: var(--accent);
            flex-shrink: 0;
            box-shadow: 0 0 12px rgba(212, 169, 78, 0.55);
        }
        .main-nav {
            display: flex;
            align-items: center;
            gap: 6px;
        }
        .main-nav a {
            display: inline-flex;
            align-items: center;
            padding: 8px 16px;
            font-size: 0.92rem;
            font-weight: 500;
            color: var(--text-secondary);
            border-radius: 20px;
            transition: all var(--transition-fast);
            letter-spacing: 0.02em;
            position: relative;
        }
        .main-nav a:hover {
            color: var(--text-primary);
            background: var(--accent-soft);
        }
        .main-nav a.active {
            color: var(--accent);
            background: var(--accent-soft);
        }
        .main-nav a.active::after {
            content: '';
            position: absolute;
            bottom: 2px;
            left: 50%;
            transform: translateX(-50%);
            width: 16px;
            height: 2px;
            border-radius: 2px;
            background: var(--accent);
        }
        .nav-cta {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 10px 22px;
            font-size: 0.9rem;
            font-weight: 600;
            color: var(--text-on-accent);
            background: var(--accent);
            border-radius: 24px;
            transition: all var(--transition-base);
            letter-spacing: 0.02em;
            white-space: nowrap;
        }
        .nav-cta:hover {
            background: var(--accent-hover);
            color: var(--text-on-accent);
            transform: translateY(-1px);
            box-shadow: 0 6px 16px rgba(212, 169, 78, 0.3);
        }

        /* ========== Hero ========== */
        .hero {
            position: relative;
            min-height: 580px;
            display: flex;
            align-items: center;
            background-image: url('/assets/images/backpic/back-1.webp');
            background-size: cover;
            background-position: center center;
            background-repeat: no-repeat;
            isolation: isolate;
            overflow: hidden;
        }
        .hero::before {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(180deg, rgba(12, 19, 17, 0.72) 0%, rgba(12, 19, 17, 0.58) 40%, rgba(12, 19, 17, 0.88) 100%);
            z-index: -1;
        }
        .hero::after {
            content: '';
            position: absolute;
            inset: 0;
            background: radial-gradient(ellipse at 70% 30%, rgba(212, 169, 78, 0.1) 0%, transparent 50%);
            z-index: -1;
            pointer-events: none;
        }
        .hero-inner {
            width: 100%;
            padding: 60px 0 72px;
        }
        .hero-tag {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 7px 16px;
            font-size: 0.82rem;
            font-weight: 500;
            color: var(--accent);
            background: rgba(212, 169, 78, 0.1);
            border: 1px solid var(--accent-border);
            border-radius: 20px;
            letter-spacing: 0.06em;
            margin-bottom: 20px;
        }
        .hero-tag::before {
            content: '';
            width: 6px;
            height: 6px;
            border-radius: 50%;
            background: var(--accent);
            animation: pulse-dot 2s ease-in-out infinite;
        }
        @keyframes pulse-dot {
            0%, 100% { opacity: 1; transform: scale(1); }
            50% { opacity: 0.4; transform: scale(1.4); }
        }
        .hero h1 {
            max-width: 820px;
            margin-bottom: 20px;
            font-weight: 700;
            letter-spacing: 0.025em;
            text-shadow: 0 2px 16px rgba(0, 0, 0, 0.4);
        }
        .hero-desc {
            max-width: 680px;
            font-size: 1.02rem;
            color: var(--text-secondary);
            line-height: 1.85;
            margin-bottom: 32px;
            letter-spacing: 0.01em;
        }
        .hero-actions {
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            gap: 14px;
            margin-bottom: 40px;
        }
        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            padding: 13px 28px;
            font-size: 0.95rem;
            font-weight: 600;
            border-radius: 28px;
            letter-spacing: 0.02em;
            transition: all var(--transition-base);
            white-space: nowrap;
        }
        .btn-primary {
            background: var(--accent);
            color: var(--text-on-accent);
            box-shadow: 0 4px 16px rgba(212, 169, 78, 0.25);
        }
        .btn-primary:hover {
            background: var(--accent-hover);
            color: var(--text-on-accent);
            transform: translateY(-2px);
            box-shadow: 0 8px 24px rgba(212, 169, 78, 0.38);
        }
        .btn-secondary {
            background: transparent;
            color: var(--text-primary);
            border: 1.5px solid var(--border-medium);
            backdrop-filter: blur(8px);
        }
        .btn-secondary:hover {
            border-color: var(--accent);
            color: var(--accent);
            transform: translateY(-2px);
            background: rgba(212, 169, 78, 0.06);
        }
        .btn:focus-visible {
            outline: 2px solid var(--accent);
            outline-offset: 3px;
        }
        .hero-stats {
            display: flex;
            flex-wrap: wrap;
            gap: 28px;
            padding-top: 24px;
            border-top: 1px solid rgba(212, 169, 78, 0.18);
            max-width: 720px;
        }
        .hero-stat {
            display: flex;
            flex-direction: column;
            gap: 2px;
        }
        .hero-stat .stat-num {
            font-size: 1.55rem;
            font-weight: 700;
            color: var(--accent);
            letter-spacing: 0.02em;
        }
        .hero-stat .stat-label {
            font-size: 0.82rem;
            color: var(--text-muted);
            letter-spacing: 0.04em;
        }

        /* ========== 板块通用 ========== */
        section {
            padding: 72px 0;
        }
        .section-header {
            margin-bottom: 40px;
        }
        .section-header .section-tag {
            display: inline-block;
            font-size: 0.8rem;
            font-weight: 600;
            color: var(--accent);
            letter-spacing: 0.08em;
            text-transform: uppercase;
            margin-bottom: 10px;
        }
        .section-header h2 {
            margin-bottom: 12px;
        }
        .section-header p {
            max-width: 660px;
            color: var(--text-secondary);
            font-size: 0.96rem;
            line-height: 1.75;
        }

        /* ========== 倒计时板块 ========== */
        .countdown-section {
            background: var(--bg-secondary);
            border-top: 1px solid var(--border-subtle);
            border-bottom: 1px solid var(--border-subtle);
            padding: 48px 0;
        }
        .countdown-grid {
            display: grid;
            grid-template-columns: 1fr auto;
            gap: 36px;
            align-items: center;
        }
        .countdown-info h2 {
            font-size: 1.55rem;
            margin-bottom: 8px;
        }
        .countdown-info p {
            color: var(--text-secondary);
            font-size: 0.94rem;
        }
        .countdown-timer {
            display: flex;
            gap: 14px;
            align-items: center;
        }
        .countdown-unit {
            display: flex;
            flex-direction: column;
            align-items: center;
            min-width: 72px;
            padding: 16px 12px;
            background: var(--bg-card);
            border: 1px solid var(--border-subtle);
            border-radius: var(--radius-md);
            box-shadow: var(--shadow-sm);
        }
        .countdown-unit .cd-num {
            font-size: 2rem;
            font-weight: 700;
            color: var(--accent);
            line-height: 1.1;
        }
        .countdown-unit .cd-label {
            font-size: 0.75rem;
            color: var(--text-muted);
            letter-spacing: 0.05em;
            margin-top: 4px;
        }
        .countdown-sep {
            font-size: 1.6rem;
            color: var(--accent);
            font-weight: 300;
        }

        /* ========== 活动亮点墙 ========== */
        .highlights-section {
            background: var(--bg-primary);
        }
        .bento-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            grid-auto-rows: minmax(170px, auto);
            gap: 18px;
        }
        .bento-card {
            position: relative;
            border-radius: var(--radius-md);
            overflow: hidden;
            border: 1px solid var(--border-subtle);
            background: var(--bg-card);
            transition: all var(--transition-base);
            display: flex;
            flex-direction: column;
            isolation: isolate;
        }
        .bento-card:hover {
            border-color: var(--accent-border);
            background: var(--bg-card-hover);
            transform: translateY(-3px);
            box-shadow: var(--shadow-md);
        }
        .bento-card.large {
            grid-column: span 2;
            grid-row: span 2;
        }
        .bento-card.wide {
            grid-column: span 2;
        }
        .bento-card .bento-bg {
            position: absolute;
            inset: 0;
            z-index: -1;
            background-size: cover;
            background-position: center;
            opacity: 0.3;
            transition: opacity var(--transition-base);
        }
        .bento-card:hover .bento-bg {
            opacity: 0.45;
        }
        .bento-card .bento-overlay {
            position: absolute;
            inset: 0;
            z-index: -1;
            background: linear-gradient(180deg, rgba(12, 19, 17, 0.3) 0%, rgba(12, 19, 17, 0.85) 100%);
        }
        .bento-card .bento-content {
            padding: 22px;
            display: flex;
            flex-direction: column;
            flex: 1;
            justify-content: flex-end;
        }
        .bento-card.large .bento-content {
            padding: 28px;
        }
        .bento-card h3 {
            margin-bottom: 8px;
            font-size: 1.12rem;
        }
        .bento-card.large h3 {
            font-size: 1.4rem;
        }
        .bento-card p {
            font-size: 0.86rem;
            color: var(--text-secondary);
            line-height: 1.65;
            max-width: 90%;
        }
        .bento-card.large p {
            font-size: 0.94rem;
            max-width: 85%;
        }
        .bento-icon {
            width: 40px;
            height: 40px;
            border-radius: 10px;
            display: flex;
            align-items: center;
            justify-content: center;
            background: var(--accent-soft);
            border: 1px solid var(--accent-border);
            margin-bottom: 12px;
            font-size: 1.1rem;
            color: var(--accent);
        }

        /* ========== 票种对比 ========== */
        .pricing-section {
            background: var(--bg-secondary);
            border-top: 1px solid var(--border-subtle);
            border-bottom: 1px solid var(--border-subtle);
        }
        .pricing-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 22px;
            align-items: stretch;
        }
        .pricing-card {
            background: var(--bg-card);
            border: 1px solid var(--border-subtle);
            border-radius: var(--radius-lg);
            padding: 32px 26px;
            display: flex;
            flex-direction: column;
            transition: all var(--transition-base);
            position: relative;
        }
        .pricing-card:hover {
            border-color: var(--accent-border);
            box-shadow: var(--shadow-md);
            transform: translateY(-4px);
        }
        .pricing-card.featured {
            border-color: var(--accent-border);
            background: linear-gradient(180deg, rgba(212, 169, 78, 0.08) 0%, var(--bg-card) 35%);
            box-shadow: var(--shadow-glow);
        }
        .pricing-badge {
            position: absolute;
            top: -12px;
            right: 24px;
            padding: 4px 14px;
            font-size: 0.75rem;
            font-weight: 600;
            color: var(--text-on-accent);
            background: var(--accent);
            border-radius: 16px;
            letter-spacing: 0.05em;
        }
        .pricing-card .pc-name {
            font-size: 0.9rem;
            color: var(--text-muted);
            letter-spacing: 0.05em;
            margin-bottom: 8px;
        }
        .pricing-card .pc-price {
            font-size: 2.2rem;
            font-weight: 700;
            color: var(--accent);
            letter-spacing: 0.02em;
            margin-bottom: 4px;
        }
        .pricing-card .pc-price span {
            font-size: 0.9rem;
            color: var(--text-muted);
            font-weight: 400;
        }
        .pricing-card .pc-desc {
            font-size: 0.88rem;
            color: var(--text-secondary);
            line-height: 1.65;
            margin-bottom: 20px;
            padding-bottom: 20px;
            border-bottom: 1px solid var(--border-subtle);
        }
        .pricing-card .pc-features {
            flex: 1;
            margin-bottom: 24px;
        }
        .pricing-card .pc-features li {
            display: flex;
            align-items: flex-start;
            gap: 8px;
            font-size: 0.88rem;
            color: var(--text-secondary);
            padding: 6px 0;
        }
        .pricing-card .pc-features li::before {
            content: '✓';
            color: var(--accent);
            font-weight: 600;
            flex-shrink: 0;
            margin-top: 1px;
        }
        .pricing-card .btn {
            width: 100%;
        }

        /* ========== 资讯区 ========== */
        .news-section {
            background: var(--bg-primary);
        }
        .news-layout {
            display: grid;
            grid-template-columns: 1.6fr 1fr;
            gap: 32px;
        }
        .news-list {
            display: flex;
            flex-direction: column;
        }
        .news-item {
            display: flex;
            gap: 18px;
            padding: 18px 0;
            border-bottom: 1px solid var(--border-subtle);
            transition: all var(--transition-fast);
            border-radius: 6px;
        }
        .news-item:hover {
            padding-left: 8px;
            border-bottom-color: var(--accent-border);
        }
        .news-item .news-date {
            flex-shrink: 0;
            width: 58px;
            text-align: center;
            padding: 8px 4px;
            background: var(--bg-card);
            border: 1px solid var(--border-subtle);
            border-radius: var(--radius-sm);
            font-size: 0.78rem;
            color: var(--text-muted);
            letter-spacing: 0.04em;
            height: fit-content;
        }
        .news-item .news-date strong {
            display: block;
            font-size: 1.3rem;
            color: var(--accent);
            font-weight: 700;
            line-height: 1.2;
        }
        .news-item .news-body {
            flex: 1;
        }
        .news-item .news-body h3 {
            font-size: 1rem;
            margin-bottom: 6px;
            line-height: 1.45;
        }
        .news-item .news-body h3 a {
            color: var(--text-primary);
            transition: color var(--transition-fast);
        }
        .news-item .news-body h3 a:hover {
            color: var(--accent);
        }
        .news-item .news-body p {
            font-size: 0.85rem;
            color: var(--text-muted);
            line-height: 1.6;
        }
        .news-sidebar {
            display: flex;
            flex-direction: column;
            gap: 18px;
        }
        .news-sidebar-card {
            background: var(--bg-card);
            border: 1px solid var(--border-subtle);
            border-radius: var(--radius-md);
            overflow: hidden;
            transition: all var(--transition-base);
        }
        .news-sidebar-card:hover {
            border-color: var(--accent-border);
            box-shadow: var(--shadow-sm);
        }
        .news-sidebar-card img {
            width: 100%;
            height: 140px;
            object-fit: cover;
        }
        .news-sidebar-card .ns-body {
            padding: 16px 18px;
        }
        .news-sidebar-card .ns-body h4 {
            font-size: 0.95rem;
            margin-bottom: 6px;
        }
        .news-sidebar-card .ns-body p {
            font-size: 0.82rem;
            color: var(--text-muted);
            line-height: 1.6;
        }

        /* ========== 报名CTA ========== */
        .cta-section {
            background: var(--bg-secondary);
            border-top: 1px solid var(--border-subtle);
            border-bottom: 1px solid var(--border-subtle);
            position: relative;
            overflow: hidden;
        }
        .cta-section::before {
            content: '';
            position: absolute;
            inset: 0;
            background: radial-gradient(ellipse at 30% 50%, rgba(212, 169, 78, 0.07) 0%, transparent 55%);
            pointer-events: none;
        }
        .cta-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 48px;
            align-items: center;
            position: relative;
        }
        .cta-info h2 {
            margin-bottom: 14px;
        }
        .cta-info p {
            color: var(--text-secondary);
            font-size: 0.96rem;
            line-height: 1.75;
            margin-bottom: 16px;
        }
        .cta-info .cta-perks {
            display: flex;
            flex-wrap: wrap;
            gap: 10px;
        }
        .cta-perks span {
            display: inline-flex;
            align-items: center;
            gap: 5px;
            padding: 6px 14px;
            font-size: 0.8rem;
            color: var(--accent);
            background: var(--accent-soft);
            border: 1px solid var(--accent-border);
            border-radius: 16px;
        }
        .cta-form {
            background: var(--bg-card);
            border: 1px solid var(--border-subtle);
            border-radius: var(--radius-lg);
            padding: 32px;
            box-shadow: var(--shadow-md);
        }
        .cta-form h3 {
            margin-bottom: 18px;
            font-size: 1.2rem;
        }
        .form-group {
            margin-bottom: 16px;
        }
        .form-group label {
            display: block;
            font-size: 0.85rem;
            font-weight: 500;
            color: var(--text-secondary);
            margin-bottom: 6px;
            letter-spacing: 0.02em;
        }
        .form-group input,
        .form-group select,
        .form-group textarea {
            width: 100%;
            padding: 12px 16px;
            font-size: 0.92rem;
            background: var(--bg-secondary);
            border: 1px solid var(--border-medium);
            border-radius: var(--radius-sm);
            color: var(--text-primary);
            transition: all var(--transition-fast);
            outline: none;
            letter-spacing: 0.01em;
        }
        .form-group input:focus,
        .form-group select:focus,
        .form-group textarea:focus {
            border-color: var(--accent);
            box-shadow: 0 0 0 3px rgba(212, 169, 78, 0.12);
        }
        .form-group input::placeholder,
        .form-group textarea::placeholder {
            color: var(--text-muted);
        }
        .form-group textarea {
            resize: vertical;
            min-height: 84px;
        }
        .form-group select {
            appearance: none;
            background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8' viewBox='0 0 12 8'%3E%3Cpath d='M1 1l5 5 5-5' stroke='%23b0bdb8' stroke-width='1.5' fill='none' stroke-linecap='round'/%3E%3C/svg%3E");
            background-repeat: no-repeat;
            background-position: right 14px center;
            padding-right: 38px;
        }
        .form-group select option {
            background: var(--bg-secondary);
            color: var(--text-primary);
        }
        .form-submit {
            width: 100%;
            margin-top: 4px;
        }

        /* ========== FAQ ========== */
        .faq-section {
            background: var(--bg-primary);
        }
        .faq-list {
            max-width: 820px;
            margin: 0 auto;
        }
        .faq-item {
            border-bottom: 1px solid var(--border-subtle);
            transition: all var(--transition-fast);
        }
        .faq-item:first-child {
            border-top: 1px solid var(--border-subtle);
        }
        .faq-question {
            width: 100%;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            padding: 18px 8px;
            font-size: 0.98rem;
            font-weight: 550;
            color: var(--text-primary);
            text-align: left;
            background: none;
            border: none;
            cursor: pointer;
            transition: color var(--transition-fast);
            letter-spacing: 0.01em;
        }
        .faq-question:hover {
            color: var(--accent);
        }
        .faq-question .faq-icon {
            flex-shrink: 0;
            width: 24px;
            height: 24px;
            display: flex;
            align-items: center;
            justify-content: center;
            border-radius: 50%;
            border: 1px solid var(--border-medium);
            font-size: 0.9rem;
            color: var(--text-muted);
            transition: all var(--transition-fast);
        }
        .faq-question:hover .faq-icon {
            border-color: var(--accent);
            color: var(--accent);
        }
        .faq-answer {
            padding: 0 8px 18px;
            font-size: 0.9rem;
            color: var(--text-secondary);
            line-height: 1.75;
            display: none;
        }
        .faq-item.open .faq-answer {
            display: block;
        }
        .faq-item.open .faq-question .faq-icon {
            border-color: var(--accent);
            color: var(--accent);
            background: var(--accent-soft);
        }

        /* ========== 页脚 ========== */
        .site-footer {
            background: #080e0c;
            border-top: 1px solid rgba(212, 169, 78, 0.12);
            padding: 48px 0 28px;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 1.5fr 1fr 1fr;
            gap: 36px;
            margin-bottom: 36px;
        }
        .footer-brand .logo-link {
            font-size: 1.05rem;
            margin-bottom: 12px;
        }
        .footer-brand p {
            font-size: 0.86rem;
            color: var(--text-muted);
            line-height: 1.7;
            max-width: 360px;
        }
        .footer-col h4 {
            font-size: 0.88rem;
            color: var(--text-primary);
            margin-bottom: 14px;
            letter-spacing: 0.05em;
        }
        .footer-col ul li {
            margin-bottom: 8px;
        }
        .footer-col ul li a {
            font-size: 0.86rem;
            color: var(--text-muted);
            transition: color var(--transition-fast);
        }
        .footer-col ul li a:hover {
            color: var(--accent);
        }
        .footer-bottom {
            padding-top: 20px;
            border-top: 1px solid rgba(212, 169, 78, 0.1);
            text-align: center;
            font-size: 0.8rem;
            color: var(--text-muted);
            letter-spacing: 0.02em;
        }

        /* ========== 底部固定转化条 ========== */
        .floating-cta {
            position: fixed;
            bottom: 0;
            left: 0;
            right: 0;
            z-index: 900;
            background: rgba(12, 19, 17, 0.92);
            backdrop-filter: blur(16px);
            -webkit-backdrop-filter: blur(16px);
            border-top: 1px solid var(--accent-border);
            padding: 12px 0;
            transform: translateY(100%);
            transition: transform var(--transition-slow);
        }
        .floating-cta.visible {
            transform: translateY(0);
        }
        .floating-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
        }
        .floating-text {
            font-size: 0.88rem;
            color: var(--text-secondary);
        }
        .floating-text strong {
            color: var(--accent);
            font-weight: 600;
        }
        .floating-actions {
            display: flex;
            gap: 10px;
            align-items: center;
        }
        .btn-sm {
            padding: 9px 20px;
            font-size: 0.85rem;
            border-radius: 20px;
        }

        /* ========== 响应式 ========== */
        @media (max-width: 1024px) {
            .bento-grid {
                grid-template-columns: repeat(3, 1fr);
            }
            .bento-card.large {
                grid-column: span 2;
            }
            .bento-card.wide {
                grid-column: span 2;
            }
            .pricing-grid {
                gap: 16px;
            }
            .pricing-card {
                padding: 26px 20px;
            }
            .cta-grid {
                grid-template-columns: 1fr;
                gap: 32px;
            }
            .news-layout {
                grid-template-columns: 1fr;
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
            }
        }

        @media (max-width: 768px) {
            :root {
                --header-height: 60px;
            }
            .container {
                padding: 0 18px;
            }
            section {
                padding: 52px 0;
            }
            .site-header {
                padding: 0;
            }
            .header-inner {
                gap: 10px;
            }
            .logo-link {
                font-size: 0.9rem;
                gap: 7px;
            }
            .main-nav a {
                padding: 6px 12px;
                font-size: 0.85rem;
            }
            .nav-cta {
                padding: 8px 16px;
                font-size: 0.82rem;
                border-radius: 18px;
            }
            .hero {
                min-height: 480px;
            }
            .hero-inner {
                padding: 48px 0 56px;
            }
            .hero h1 {
                max-width: 100%;
            }
            .hero-desc {
                max-width: 100%;
                font-size: 0.95rem;
            }
            .hero-stats {
                gap: 18px;
            }
            .hero-stat .stat-num {
                font-size: 1.3rem;
            }
            .bento-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 14px;
            }
            .bento-card.large {
                grid-column: span 2;
            }
            .bento-card.wide {
                grid-column: span 2;
            }
            .bento-card p {
                max-width: 100%;
            }
            .bento-card.large p {
                max-width: 100%;
            }
            .pricing-grid {
                grid-template-columns: 1fr;
                gap: 18px;
            }
            .pricing-card.featured {
                order: -1;
            }
            .countdown-grid {
                grid-template-columns: 1fr;
                gap: 22px;
            }
            .countdown-timer {
                justify-content: flex-start;
                flex-wrap: wrap;
            }
            .countdown-unit {
                min-width: 60px;
                padding: 12px 8px;
            }
            .countdown-unit .cd-num {
                font-size: 1.5rem;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 24px;
            }
            .floating-inner {
                flex-direction: column;
                gap: 8px;
                text-align: center;
            }
            .floating-text {
                font-size: 0.8rem;
            }
        }

        @media (max-width: 520px) {
            .container {
                padding: 0 14px;
            }
            section {
                padding: 40px 0;
            }
            .header-inner {
                flex-wrap: wrap;
                gap: 6px;
            }
            .logo-link {
                font-size: 0.82rem;
                white-space: normal;
                line-height: 1.3;
            }
            .main-nav a {
                padding: 5px 10px;
                font-size: 0.78rem;
                border-radius: 14px;
            }
            .nav-cta {
                padding: 6px 14px;
                font-size: 0.78rem;
                border-radius: 16px;
            }
            .hero {
                min-height: 420px;
            }
            .hero-tag {
                font-size: 0.72rem;
                padding: 5px 12px;
                margin-bottom: 14px;
            }
            .hero h1 {
                font-size: 1.45rem;
                margin-bottom: 14px;
            }
            .hero-desc {
                font-size: 0.88rem;
                margin-bottom: 22px;
                line-height: 1.7;
            }
            .hero-actions {
                gap: 10px;
                margin-bottom: 26px;
            }
            .btn {
                padding: 11px 20px;
                font-size: 0.86rem;
                border-radius: 22px;
            }
            .hero-stats {
                gap: 14px;
                padding-top: 16px;
            }
            .hero-stat .stat-num {
                font-size: 1.15rem;
            }
            .hero-stat .stat-label {
                font-size: 0.7rem;
            }
            .bento-grid {
                grid-template-columns: 1fr;
                gap: 12px;
            }
            .bento-card.large,
            .bento-card.wide {
                grid-column: span 1;
            }
            .bento-card.large {
                grid-row: span 1;
            }
            .bento-card .bento-content {
                padding: 18px;
            }
            .bento-card.large .bento-content {
                padding: 20px;
            }
            .news-item {
                flex-direction: column;
                gap: 10px;
            }
            .news-item .news-date {
                width: 100%;
                flex-direction: row;
                justify-content: center;
                gap: 6px;
                padding: 6px 10px;
            }
            .cta-form {
                padding: 22px 18px;
            }
            .faq-question {
                font-size: 0.9rem;
                padding: 14px 4px;
            }
            .faq-answer {
                font-size: 0.84rem;
                padding: 0 4px 14px;
            }
            .footer-brand p {
                font-size: 0.8rem;
            }
        }