/* roulang page: index */
/* ============ 设计变量 ============ */
    :root {
        --primary: #E8486A;
        --accent: #F5A623;
        --gradient: linear-gradient(135deg, #E8486A 0%, #F5A623 100%);
        --bg-dark: #0F1118;
        --bg-card: #1E2130;
        --bg-secondary: #1A1D29;
        --text-primary: #F8F6F2;
        --text-secondary: #B8B7C0;
        --border-color: #2C3040;
        --radius-lg: 24px;
        --radius-md: 16px;
        --radius-sm: 12px;
        --shadow-card: 0 8px 30px rgba(0, 0, 0, .35);
        --shadow-hover: 0 16px 48px rgba(0, 0, 0, .45);
        --font-stack: "PingFang SC", "Microsoft YaHei", system-ui, -apple-system, sans-serif;
        --transition: .28s cubic-bezier(.4, 0, .2, 1);
    }

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

    html {
        scroll-behavior: smooth;
        -webkit-text-size-adjust: 100%;
    }

    body {
        font-family: var(--font-stack);
        font-size: 16px;
        line-height: 1.8;
        color: var(--text-primary);
        background-color: var(--bg-dark);
        -webkit-font-smoothing: antialiased;
        -moz-osx-font-smoothing: grayscale;
        overflow-x: hidden;
    }

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

    a:hover {
        color: var(--accent);
    }

    img {
        max-width: 100%;
        height: auto;
        display: block;
        border: 0;
    }

    button,
    input,
    textarea {
        font-family: var(--font-stack);
        font-size: 16px;
        line-height: 1.6;
    }

    /* ============ 容器 ============ */
    .container {
        max-width: 1180px;
        margin: 0 auto;
        padding: 0 24px;
    }

    .container-wide {
        max-width: 1320px;
        margin: 0 auto;
        padding: 0 28px;
    }

    .container-narrow {
        max-width: 900px;
        margin: 0 auto;
        padding: 0 24px;
    }

    /* ============ Header / Nav ============ */
    .site-header {
        position: sticky;
        top: 0;
        z-index: 999;
        background: rgba(15, 17, 24, .96);
        backdrop-filter: blur(12px);
        -webkit-backdrop-filter: blur(12px);
        border-bottom: 1px solid var(--border-color);
        box-shadow: 0 2px 20px rgba(0, 0, 0, .3);
    }

    .header-inner {
        display: flex;
        align-items: center;
        justify-content: space-between;
        gap: 20px;
        min-height: 72px;
        padding: 12px 0;
    }

    .logo-area {
        display: flex;
        align-items: center;
        gap: 10px;
        flex-shrink: 0;
        max-width: 260px;
    }

    .logo-icon {
        width: 42px;
        height: 42px;
        border-radius: 12px;
        background: var(--gradient);
        display: flex;
        align-items: center;
        justify-content: center;
        font-size: 20px;
        color: #fff;
        flex-shrink: 0;
        box-shadow: 0 4px 16px rgba(232, 72, 106, .35);
    }

    .logo-text {
        font-size: 15px;
        font-weight: 700;
        line-height: 1.35;
        color: var(--text-primary);
        letter-spacing: -0.2px;
    }

    .logo-text span {
        display: block;
        font-size: 11px;
        font-weight: 400;
        color: var(--text-secondary);
        letter-spacing: 0.3px;
    }

    .nav-center {
        display: flex;
        align-items: center;
        gap: 6px;
        flex: 1;
        justify-content: center;
    }

    .nav-link {
        padding: 8px 16px;
        border-radius: 10px;
        font-size: 15px;
        font-weight: 500;
        color: var(--text-secondary);
        position: relative;
        transition: color var(--transition), background var(--transition);
        white-space: nowrap;
    }

    .nav-link::after {
        content: "";
        position: absolute;
        left: 16px;
        right: 16px;
        bottom: 2px;
        height: 2px;
        border-radius: 2px;
        background: var(--gradient);
        transform: scaleX(0);
        transform-origin: left;
        transition: transform var(--transition);
    }

    .nav-link:hover {
        color: var(--accent);
        background: rgba(245, 166, 35, .06);
    }

    .nav-link:hover::after,
    .nav-link.active::after {
        transform: scaleX(1);
    }

    .nav-link.active {
        color: var(--accent);
        font-weight: 600;
    }

    .header-cta {
        display: flex;
        align-items: center;
        gap: 10px;
        flex-shrink: 0;
    }

    /* ============ 按钮 ============ */
    .btn {
        display: inline-flex;
        align-items: center;
        justify-content: center;
        gap: 8px;
        padding: 12px 24px;
        border-radius: 999px;
        font-size: 15px;
        font-weight: 600;
        line-height: 1.4;
        cursor: pointer;
        transition: all var(--transition);
        border: 2px solid transparent;
        text-decoration: none;
        outline: none;
        white-space: nowrap;
    }

    .btn:focus-visible {
        outline: 3px solid rgba(232, 72, 106, .5);
        outline-offset: 3px;
    }

    .btn-primary {
        background: var(--gradient);
        color: #fff;
        border: none;
        box-shadow: 0 4px 18px rgba(232, 72, 106, .35);
    }

    .btn-primary:hover {
        filter: brightness(1.08);
        color: #fff;
        box-shadow: 0 6px 26px rgba(232, 72, 106, .5);
        transform: translateY(-1px);
    }

    .btn-primary:active {
        transform: translateY(1px);
        box-shadow: 0 2px 10px rgba(232, 72, 106, .3);
    }

    .btn-outline {
        background: transparent;
        color: var(--accent);
        border: 2px solid var(--accent);
    }

    .btn-outline:hover {
        background: rgba(245, 166, 35, .1);
        color: var(--accent);
        transform: translateY(-1px);
    }

    .btn-outline:active {
        transform: translateY(1px);
    }

    .btn-sm {
        padding: 9px 18px;
        font-size: 14px;
    }

    .btn-lg {
        padding: 15px 32px;
        font-size: 16px;
    }

    /* ============ 移动端汉堡 ============ */
    .nav-toggle {
        display: none;
        background: none;
        border: 1px solid var(--border-color);
        border-radius: 10px;
        width: 44px;
        height: 44px;
        cursor: pointer;
        flex-direction: column;
        align-items: center;
        justify-content: center;
        gap: 5px;
        transition: background var(--transition);
    }

    .nav-toggle:hover {
        background: rgba(255, 255, 255, .05);
    }

    .nav-toggle span {
        display: block;
        width: 20px;
        height: 2px;
        background: var(--text-primary);
        border-radius: 2px;
        transition: all var(--transition);
    }

    .nav-toggle.active span:nth-child(1) {
        transform: translateY(7px) rotate(45deg);
    }

    .nav-toggle.active span:nth-child(2) {
        opacity: 0;
    }

    .nav-toggle.active span:nth-child(3) {
        transform: translateY(-7px) rotate(-45deg);
    }

    .mobile-menu {
        display: none;
        background: var(--bg-dark);
        border-top: 1px solid var(--border-color);
        padding: 16px 0;
        flex-direction: column;
        gap: 6px;
    }

    .mobile-menu.open {
        display: flex;
    }

    .mobile-menu .nav-link {
        padding: 12px 20px;
        border-radius: 0;
        font-size: 16px;
    }

    .mobile-menu .header-cta {
        flex-direction: column;
        padding: 12px 20px;
        gap: 8px;
    }

    /* ============ Hero ============ */
    .hero {
        position: relative;
        min-height: 620px;
        display: flex;
        align-items: center;
        overflow: hidden;
        background: var(--bg-dark);
        isolation: isolate;
    }

    .hero-bg {
        position: absolute;
        inset: 0;
        z-index: -2;
        background-image: url('/assets/images/0d2180e92b82c9e8.webp');
        background-size: cover;
        background-position: center;
        opacity: .42;
    }

    .hero-overlay {
        position: absolute;
        inset: 0;
        z-index: -1;
        background:
            radial-gradient(ellipse at 20% 30%, rgba(232, 72, 106, .25) 0%, transparent 55%),
            radial-gradient(ellipse at 80% 70%, rgba(245, 166, 35, .18) 0%, transparent 55%),
            linear-gradient(180deg, rgba(15, 17, 24, .72) 0%, rgba(15, 17, 24, .88) 100%);
    }

    .hero-content {
        display: grid;
        grid-template-columns: 1.15fr .85fr;
        gap: 48px;
        align-items: center;
        width: 100%;
        padding: 72px 0;
    }

    .hero-text {
        max-width: 640px;
    }

    .hero-kicker {
        display: inline-flex;
        align-items: center;
        gap: 8px;
        background: rgba(232, 72, 106, .15);
        border: 1px solid rgba(232, 72, 106, .3);
        border-radius: 999px;
        padding: 7px 18px;
        font-size: 13px;
        font-weight: 600;
        color: var(--accent);
        letter-spacing: 0.5px;
        margin-bottom: 20px;
    }

    .hero-kicker i {
        font-size: 13px;
    }

    .hero h1 {
        font-size: clamp(32px, 5vw, 54px);
        font-weight: 900;
        line-height: 1.2;
        letter-spacing: -1px;
        margin-bottom: 22px;
        color: var(--text-primary);
    }

    .hero h1 .highlight {
        background: var(--gradient);
        -webkit-background-clip: text;
        background-clip: text;
        color: transparent;
    }

    .hero-sub {
        font-size: 16px;
        line-height: 1.85;
        color: var(--text-secondary);
        max-width: 560px;
        margin-bottom: 28px;
    }

    .hero-actions {
        display: flex;
        gap: 14px;
        flex-wrap: wrap;
        margin-bottom: 32px;
    }

    .hero-countdown {
        display: flex;
        align-items: center;
        gap: 18px;
        flex-wrap: wrap;
        background: rgba(30, 33, 48, .85);
        border: 1px solid var(--border-color);
        border-radius: var(--radius-md);
        padding: 16px 22px;
        max-width: 520px;
    }

    .countdown-label {
        font-size: 14px;
        font-weight: 600;
        color: var(--text-primary);
        display: flex;
        align-items: center;
        gap: 8px;
    }

    .countdown-label i {
        color: var(--accent);
    }

    .countdown-value {
        font-size: 22px;
        font-weight: 800;
        color: var(--accent);
        letter-spacing: 1px;
        background: rgba(245, 166, 35, .1);
        padding: 4px 14px;
        border-radius: 10px;
    }

    .hero-visual {
        position: relative;
        display: flex;
        justify-content: center;
        align-items: center;
    }

    .hero-visual-card {
        width: 100%;
        max-width: 480px;
        border-radius: 28px;
        overflow: hidden;
        box-shadow: 0 24px 64px rgba(0, 0, 0, .55);
        border: 2px solid rgba(245, 166, 35, .25);
        background: var(--bg-card);
    }

    .hero-visual-card img {
        width: 100%;
        height: 320px;
        object-fit: cover;
    }

    .hero-visual-card .visual-footer {
        padding: 16px 20px;
        display: flex;
        align-items: center;
        justify-content: space-between;
        background: var(--bg-card);
        border-top: 1px solid var(--border-color);
    }

    .visual-footer span {
        font-size: 13px;
        color: var(--text-secondary);
    }

    .visual-badge {
        background: var(--gradient);
        border-radius: 999px;
        padding: 6px 14px;
        font-size: 12px;
        font-weight: 700;
        color: #fff;
    }

    /* ============ Section 通用 ============ */
    .section {
        padding: 84px 0;
        position: relative;
    }

    .section-alt {
        background: var(--bg-secondary);
        border-top: 1px solid var(--border-color);
        border-bottom: 1px solid var(--border-color);
    }

    .section-heading {
        margin-bottom: 48px;
    }

    .section-heading.center {
        text-align: center;
        max-width: 760px;
        margin-left: auto;
        margin-right: auto;
    }

    .section-heading h2 {
        font-size: clamp(26px, 3.5vw, 36px);
        font-weight: 800;
        line-height: 1.3;
        letter-spacing: -0.5px;
        margin-bottom: 14px;
        color: var(--text-primary);
    }

    .section-heading p {
        font-size: 15px;
        color: var(--text-secondary);
        line-height: 1.8;
        max-width: 640px;
    }

    .section-heading.center p {
        margin-left: auto;
        margin-right: auto;
    }

    .section-tag {
        display: inline-block;
        background: rgba(232, 72, 106, .12);
        border: 1px solid rgba(232, 72, 106, .25);
        border-radius: 999px;
        padding: 5px 14px;
        font-size: 13px;
        font-weight: 600;
        color: var(--primary);
        letter-spacing: 0.4px;
        margin-bottom: 12px;
    }

    /* ============ 客户案例 ============ */
    .testimonial-grid {
        display: grid;
        grid-template-columns: repeat(3, 1fr);
        gap: 24px;
    }

    .testimonial-card {
        background: var(--bg-card);
        border-radius: var(--radius-lg);
        padding: 30px 28px;
        box-shadow: var(--shadow-card);
        border: 1px solid var(--border-color);
        transition: all var(--transition);
    }

    .testimonial-card:hover {
        transform: translateY(-4px);
        box-shadow: var(--shadow-hover);
        border-color: rgba(245, 166, 35, .25);
    }

    .testimonial-quote {
        font-size: 15px;
        line-height: 1.75;
        color: var(--text-primary);
        margin-bottom: 20px;
        position: relative;
        padding-left: 18px;
    }

    .testimonial-quote::before {
        content: "\201C";
        font-size: 40px;
        color: var(--primary);
        position: absolute;
        left: -6px;
        top: -6px;
        font-family: Georgia, serif;
    }

    .testimonial-author {
        display: flex;
        align-items: center;
        gap: 14px;
    }

    .testimonial-avatar {
        width: 46px;
        height: 46px;
        border-radius: 50%;
        object-fit: cover;
        border: 2px solid rgba(245, 166, 35, .3);
    }

    .author-name {
        font-size: 14px;
        font-weight: 700;
        color: var(--text-primary);
    }

    .author-role {
        font-size: 12px;
        color: var(--text-secondary);
    }

    /* ============ 结果数据（胶囊徽章） ============ */
    .metrics-pill-grid {
        display: flex;
        flex-wrap: wrap;
        gap: 16px;
        justify-content: center;
    }

    .metric-pill {
        background: var(--bg-card);
        border: 1px solid var(--border-color);
        border-radius: 999px;
        padding: 14px 28px;
        display: flex;
        align-items: center;
        gap: 12px;
        box-shadow: var(--shadow-card);
        transition: all var(--transition);
    }

    .metric-pill:hover {
        border-color: rgba(245, 166, 35, .35);
        transform: translateY(-2px);
    }

    .metric-pill .number {
        font-size: 26px;
        font-weight: 800;
        background: var(--gradient);
        -webkit-background-clip: text;
        background-clip: text;
        color: transparent;
    }

    .metric-pill .label {
        font-size: 14px;
        color: var(--text-secondary);
        font-weight: 500;
    }

    /* ============ 前后对比 ============ */
    .comparison-wrapper {
        display: grid;
        grid-template-columns: 1fr 1fr;
        gap: 24px;
        max-width: 980px;
        margin: 0 auto;
    }

    .comparison-card {
        background: var(--bg-card);
        border-radius: var(--radius-lg);
        padding: 32px 30px;
        box-shadow: var(--shadow-card);
        border: 1px solid var(--border-color);
    }

    .comparison-card.negative {
        border-left: 4px solid #6B7280;
    }

    .comparison-card.positive {
        border-left: 4px solid var(--accent);
        background: rgba(245, 166, 35, .06);
    }

    .comparison-card h3 {
        font-size: 18px;
        font-weight: 700;
        margin-bottom: 18px;
        display: flex;
        align-items: center;
        gap: 10px;
    }

    .comparison-card.negative h3 {
        color: var(--text-secondary);
    }

    .comparison-card.positive h3 {
        color: var(--accent);
    }

    .comparison-list {
        list-style: none;
        padding: 0;
    }

    .comparison-list li {
        padding: 8px 0;
        font-size: 14px;
        color: var(--text-secondary);
        display: flex;
        align-items: flex-start;
        gap: 8px;
        line-height: 1.65;
    }

    .comparison-list li i {
        margin-top: 4px;
        flex-shrink: 0;
    }

    .comparison-card.negative .comparison-list li i {
        color: #9ca3af;
    }

    .comparison-card.positive .comparison-list li i {
        color: var(--accent);
    }

    /* ============ 方法步骤 ============ */
    .steps-grid {
        display: grid;
        grid-template-columns: repeat(4, 1fr);
        gap: 24px;
    }

    .step-card {
        background: var(--bg-card);
        border-radius: var(--radius-lg);
        padding: 28px 24px;
        box-shadow: var(--shadow-card);
        border: 1px solid var(--border-color);
        text-align: center;
        transition: all var(--transition);
    }

    .step-card:hover {
        transform: translateY(-4px);
        box-shadow: var(--shadow-hover);
        border-color: rgba(232, 72, 106, .3);
    }

    .step-number {
        width: 52px;
        height: 52px;
        border-radius: 16px;
        background: var(--gradient);
        color: #fff;
        font-size: 22px;
        font-weight: 800;
        display: flex;
        align-items: center;
        justify-content: center;
        margin: 0 auto 16px;
        box-shadow: 0 6px 20px rgba(232, 72, 106, .3);
    }

    .step-card h3 {
        font-size: 16px;
        font-weight: 700;
        margin-bottom: 8px;
        color: var(--text-primary);
    }

    .step-card p {
        font-size: 13px;
        color: var(--text-secondary);
        line-height: 1.7;
    }

    /* ============ 资讯列表 ============ */
    .news-grid {
        display: grid;
        grid-template-columns: repeat(3, 1fr);
        gap: 24px;
    }

    .news-card {
        background: var(--bg-card);
        border-radius: var(--radius-lg);
        overflow: hidden;
        box-shadow: var(--shadow-card);
        border: 1px solid var(--border-color);
        transition: all var(--transition);
        display: flex;
        flex-direction: column;
    }

    .news-card:hover {
        transform: translateY(-4px);
        box-shadow: var(--shadow-hover);
        border-color: rgba(245, 166, 35, .25);
    }

    .news-card .news-thumb {
        width: 100%;
        height: 180px;
        object-fit: cover;
    }

    .news-card-body {
        padding: 22px 20px;
        display: flex;
        flex-direction: column;
        flex: 1;
    }

    .news-tag {
        display: inline-block;
        background: rgba(245, 166, 35, .15);
        border-radius: 999px;
        padding: 4px 12px;
        font-size: 12px;
        font-weight: 600;
        color: var(--accent);
        margin-bottom: 10px;
        width: fit-content;
    }

    .news-card h3 {
        font-size: 16px;
        font-weight: 700;
        line-height: 1.5;
        margin-bottom: 8px;
        display: -webkit-box;
        -webkit-line-clamp: 2;
        -webkit-box-orient: vertical;
        overflow: hidden;
    }

    .news-card .news-excerpt {
        font-size: 13px;
        color: var(--text-secondary);
        line-height: 1.7;
        display: -webkit-box;
        -webkit-line-clamp: 2;
        -webkit-box-orient: vertical;
        overflow: hidden;
        margin-bottom: 14px;
    }

    .news-meta {
        margin-top: auto;
        display: flex;
        align-items: center;
        justify-content: space-between;
        font-size: 12px;
        color: var(--text-secondary);
        border-top: 1px solid var(--border-color);
        padding-top: 12px;
    }

    .news-meta a {
        font-weight: 600;
        color: var(--accent);
        font-size: 13px;
    }

    .news-meta a:hover {
        color: var(--primary);
    }

    .news-empty {
        text-align: center;
        padding: 48px 20px;
        background: var(--bg-card);
        border-radius: var(--radius-lg);
        border: 1px dashed var(--border-color);
        color: var(--text-secondary);
        font-size: 14px;
    }

    /* ============ 热点专题 ============ */
    .topic-grid {
        display: grid;
        grid-template-columns: repeat(3, 1fr);
        gap: 24px;
    }

    .topic-card {
        background: var(--bg-card);
        border-radius: var(--radius-lg);
        overflow: hidden;
        box-shadow: var(--shadow-card);
        border: 1px solid var(--border-color);
        transition: all var(--transition);
        display: flex;
        flex-direction: column;
    }

    .topic-card:hover {
        transform: translateY(-4px);
        box-shadow: var(--shadow-hover);
        border-color: rgba(232, 72, 106, .3);
    }

    .topic-card .topic-thumb {
        width: 100%;
        height: 200px;
        object-fit: cover;
    }

    .topic-body {
        padding: 22px 20px;
        display: flex;
        flex-direction: column;
        flex: 1;
    }

    .topic-body h3 {
        font-size: 17px;
        font-weight: 700;
        margin-bottom: 8px;
        color: var(--text-primary);
    }

    .topic-body p {
        font-size: 13px;
        color: var(--text-secondary);
        line-height: 1.7;
        margin-bottom: 16px;
    }

    .topic-link {
        margin-top: auto;
        display: inline-flex;
        align-items: center;
        gap: 6px;
        font-size: 14px;
        font-weight: 600;
        color: var(--accent);
        transition: color var(--transition);
    }

    .topic-link:hover {
        color: var(--primary);
    }

    /* ============ 数据指标（大数字+统计条） ============ */
    .stats-grid {
        display: grid;
        grid-template-columns: repeat(4, 1fr);
        gap: 24px;
    }

    .stat-block {
        background: var(--bg-card);
        border-radius: var(--radius-md);
        padding: 26px 22px;
        box-shadow: var(--shadow-card);
        border: 1px solid var(--border-color);
    }

    .stat-block .stat-number {
        font-size: 40px;
        font-weight: 900;
        letter-spacing: -1px;
        line-height: 1.1;
        background: var(--gradient);
        -webkit-background-clip: text;
        background-clip: text;
        color: transparent;
        margin-bottom: 8px;
    }

    .stat-block .stat-label {
        font-size: 13px;
        color: var(--text-secondary);
        font-weight: 500;
    }

    .stat-bar {
        height: 8px;
        background: var(--border-color);
        border-radius: 4px;
        margin-top: 12px;
        overflow: hidden;
    }

    .stat-bar-fill {
        height: 100%;
        border-radius: 4px;
        background: var(--gradient);
        transition: width 1.2s ease;
    }

    /* ============ 适用人群 ============ */
    .audience-grid {
        display: grid;
        grid-template-columns: repeat(4, 1fr);
        gap: 20px;
    }

    .audience-card {
        background: var(--bg-card);
        border-radius: var(--radius-md);
        padding: 24px 20px;
        box-shadow: var(--shadow-card);
        border: 1px solid var(--border-color);
        text-align: center;
        transition: all var(--transition);
    }

    .audience-card:hover {
        transform: translateY(-3px);
        border-color: rgba(232, 72, 106, .3);
    }

    .audience-icon {
        width: 48px;
        height: 48px;
        border-radius: 14px;
        background: rgba(232, 72, 106, .15);
        color: var(--primary);
        font-size: 20px;
        display: flex;
        align-items: center;
        justify-content: center;
        margin: 0 auto 14px;
    }

    .audience-card h3 {
        font-size: 15px;
        font-weight: 700;
        margin-bottom: 6px;
        color: var(--text-primary);
    }

    .audience-card p {
        font-size: 13px;
        color: var(--text-secondary);
        line-height: 1.65;
    }

    /* ============ FAQ 手风琴 ============ */
    .faq-list {
        max-width: 820px;
        margin: 0 auto;
        display: flex;
        flex-direction: column;
        gap: 14px;
    }

    .faq-item {
        background: var(--bg-card);
        border-radius: var(--radius-md);
        border: 1px solid var(--border-color);
        overflow: hidden;
        transition: all var(--transition);
    }

    .faq-item:hover {
        border-color: rgba(245, 166, 35, .25);
    }

    .faq-question {
        width: 100%;
        display: flex;
        align-items: center;
        justify-content: space-between;
        gap: 16px;
        padding: 20px 24px;
        background: none;
        border: none;
        color: var(--text-primary);
        font-size: 16px;
        font-weight: 600;
        cursor: pointer;
        text-align: left;
    }

    .faq-question .faq-icon {
        width: 28px;
        height: 28px;
        border-radius: 8px;
        background: rgba(232, 72, 106, .15);
        color: var(--primary);
        display: flex;
        align-items: center;
        justify-content: center;
        font-size: 13px;
        flex-shrink: 0;
        transition: transform var(--transition);
    }

    .faq-item.active .faq-icon {
        transform: rotate(45deg);
        background: var(--gradient);
        color: #fff;
    }

    .faq-answer {
        max-height: 0;
        overflow: hidden;
        transition: max-height .4s ease;
    }

    .faq-answer-inner {
        padding: 0 24px 20px;
        font-size: 14px;
        color: var(--text-secondary);
        line-height: 1.8;
    }

    .faq-item.active .faq-answer {
        max-height: 300px;
    }

    /* ============ CTA 板块 ============ */
    .cta-section {
        background: var(--gradient);
        border-radius: var(--radius-lg);
        padding: 56px 48px;
        text-align: center;
        color: #fff;
        box-shadow: 0 20px 60px rgba(232, 72, 106, .3);
    }

    .cta-section h2 {
        font-size: clamp(24px, 2.8vw, 34px);
        font-weight: 800;
        letter-spacing: -0.5px;
        margin-bottom: 14px;
        color: #fff;
    }

    .cta-section p {
        font-size: 15px;
        line-height: 1.8;
        max-width: 600px;
        margin: 0 auto 28px;
        color: rgba(255, 255, 255, .9);
    }

    .cta-actions {
        display: flex;
        gap: 14px;
        justify-content: center;
        flex-wrap: wrap;
    }

    .cta-actions .btn {
        border: 2px solid transparent;
    }

    .cta-actions .btn-outline {
        background: rgba(255, 255, 255, .15);
        color: #fff;
        border-color: rgba(255, 255, 255, .5);
    }

    .cta-actions .btn-outline:hover {
        background: rgba(255, 255, 255, .25);
        color: #fff;
    }

    .cta-actions .btn-primary {
        background: #fff;
        color: var(--primary);
        box-shadow: 0 6px 20px rgba(0, 0, 0, .25);
    }

    .cta-actions .btn-primary:hover {
        filter: none;
        box-shadow: 0 8px 26px rgba(0, 0, 0, .3);
    }

    /* ============ Footer ============ */
    .site-footer {
        background: var(--bg-secondary);
        border-top: 2px solid transparent;
        border-image: var(--gradient) 1;
        padding: 56px 0 0;
        margin-top: 0;
    }

    .footer-grid {
        display: grid;
        grid-template-columns: 1.5fr 1fr 1fr;
        gap: 40px;
        padding-bottom: 40px;
    }

    .footer-brand .logo-text {
        font-size: 16px;
        margin-bottom: 12px;
    }

    .footer-brand p {
        font-size: 13px;
        color: var(--text-secondary);
        line-height: 1.75;
        max-width: 320px;
    }

    .footer-col h4 {
        font-size: 14px;
        font-weight: 700;
        color: var(--text-primary);
        margin-bottom: 16px;
        letter-spacing: 0.5px;
    }

    .footer-links {
        list-style: none;
        padding: 0;
        margin: 0;
    }

    .footer-links li {
        margin-bottom: 10px;
    }

    .footer-links a {
        font-size: 14px;
        color: var(--text-secondary);
        transition: color var(--transition);
    }

    .footer-links a:hover {
        color: var(--accent);
    }

    .footer-contact p {
        font-size: 13px;
        color: var(--text-secondary);
        line-height: 1.7;
        margin-bottom: 8px;
        display: flex;
        align-items: center;
        gap: 8px;
    }

    .footer-contact i {
        color: var(--accent);
        width: 16px;
    }

    .footer-bottom {
        border-top: 1px solid var(--border-color);
        padding: 20px 0;
        text-align: center;
        font-size: 13px;
        color: var(--text-secondary);
    }

    /* ============ 响应式 ============ */
    @media (max-width: 1024px) {
        .header-inner {
            gap: 14px;
        }

        .nav-center {
            gap: 2px;
        }

        .nav-link {
            padding: 8px 10px;
            font-size: 13px;
        }

        .logo-text {
            font-size: 13px;
        }

        .header-cta .btn {
            padding: 10px 16px;
            font-size: 13px;
        }

        .hero-content {
            grid-template-columns: 1fr;
            gap: 36px;
            padding: 52px 0;
        }

        .hero-text {
            max-width: 100%;
        }

        .hero-visual {
            order: -1;
        }

        .hero-visual-card {
            max-width: 420px;
        }

        .testimonial-grid {
            grid-template-columns: repeat(2, 1fr);
        }

        .steps-grid {
            grid-template-columns: repeat(2, 1fr);
        }

        .news-grid {
            grid-template-columns: repeat(2, 1fr);
        }

        .topic-grid {
            grid-template-columns: repeat(2, 1fr);
        }

        .stats-grid {
            grid-template-columns: repeat(2, 1fr);
        }

        .audience-grid {
            grid-template-columns: repeat(2, 1fr);
        }

        .footer-grid {
            grid-template-columns: 1fr 1fr;
        }
    }

    @media (max-width: 768px) {
        .header-inner {
            min-height: 62px;
            padding: 10px 0;
        }

        .nav-center {
            display: none;
        }

        .header-cta {
            display: none;
        }

        .nav-toggle {
            display: flex;
        }

        .mobile-menu {
            display: none;
        }

        .mobile-menu.open {
            display: flex;
        }

        .logo-area {
            max-width: 200px;
        }

        .section {
            padding: 56px 0;
        }

        .hero {
            min-height: auto;
        }

        .hero-content {
            padding: 40px 0;
        }

        .hero h1 {
            font-size: clamp(26px, 6vw, 36px);
        }

        .hero-sub {
            font-size: 14px;
        }

        .hero-countdown {
            padding: 12px 16px;
            gap: 10px;
        }

        .countdown-value {
            font-size: 18px;
        }

        .testimonial-grid {
            grid-template-columns: 1fr;
        }

        .comparison-wrapper {
            grid-template-columns: 1fr;
        }

        .steps-grid {
            grid-template-columns: 1fr;
        }

        .news-grid {
            grid-template-columns: 1fr;
        }

        .topic-grid {
            grid-template-columns: 1fr;
        }

        .stats-grid {
            grid-template-columns: 1fr 1fr;
            gap: 16px;
        }

        .audience-grid {
            grid-template-columns: 1fr;
        }

        .section-heading h2 {
            font-size: 24px;
        }

        .cta-section {
            padding: 36px 24px;
        }

        .footer-grid {
            grid-template-columns: 1fr;
            gap: 28px;
        }
    }

    @media (max-width: 520px) {
        .container {
            padding: 0 16px;
        }

        .container-wide {
            padding: 0 16px;
        }

        .container-narrow {
            padding: 0 16px;
        }

        .hero-visual-card img {
            height: 220px;
        }

        .stats-grid {
            grid-template-columns: 1fr;
        }

        .metric-pill {
            padding: 10px 18px;
        }

        .metric-pill .number {
            font-size: 20px;
        }

        .btn {
            padding: 10px 18px;
            font-size: 14px;
        }

        .btn-lg {
            padding: 12px 22px;
            font-size: 14px;
        }

        .hero-actions {
            flex-direction: column;
            gap: 10px;
        }

        .hero-actions .btn {
            width: 100%;
        }

        .cta-actions .btn {
            width: 100%;
        }
    }

/* roulang page: article */
:root {
            --primary: #E8486A;
            --accent: #F5A623;
            --gradient: linear-gradient(135deg, #E8486A 0%, #F5A623 100%);
            --bg-dark: #0F1118;
            --bg-card: #1E2130;
            --bg-secondary: #1A1D29;
            --text-primary: #F8F6F2;
            --text-secondary: #B8B7C0;
            --border-color: #2C3040;
            --radius-lg: 24px;
            --radius-md: 16px;
            --radius-sm: 12px;
            --shadow-card: 0 8px 30px rgba(0, 0, 0, .35);
            --shadow-hover: 0 16px 48px rgba(0, 0, 0, .45);
            --font-stack: "PingFang SC", "Microsoft YaHei", system-ui, -apple-system, sans-serif;
            --transition: .28s cubic-bezier(.4, 0, .2, 1);
        }

        html {
            scroll-behavior: smooth;
            -webkit-text-size-adjust: 100%;
        }

        body {
            font-family: var(--font-stack);
            font-size: 16px;
            line-height: 1.8;
            color: var(--text-primary);
            background-color: var(--bg-dark);
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
            overflow-x: hidden;
        }

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

        a:hover {
            color: var(--accent);
        }

        img {
            max-width: 100%;
            height: auto;
            display: block;
            border: 0;
        }

        button,
        input,
        textarea {
            font-family: var(--font-stack);
            font-size: 16px;
            line-height: 1.6;
        }

        .container {
            max-width: 1180px;
            margin: 0 auto;
            padding: 0 24px;
        }

        .container-narrow {
            max-width: 860px;
            margin: 0 auto;
            padding: 0 24px;
        }

        /* ============ Header / Nav ============ */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 999;
            background: rgba(15, 17, 24, .96);
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
            border-bottom: 1px solid var(--border-color);
            box-shadow: 0 2px 20px rgba(0, 0, 0, .3);
        }

        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 18px;
            min-height: 72px;
            padding: 12px 0;
            flex-wrap: nowrap;
        }

        .logo-area {
            display: flex;
            align-items: center;
            gap: 10px;
            flex-shrink: 0;
            max-width: 240px;
        }

        .logo-icon {
            width: 42px;
            height: 42px;
            border-radius: 12px;
            background: var(--gradient);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 20px;
            color: #fff;
            flex-shrink: 0;
            box-shadow: 0 4px 16px rgba(232, 72, 106, .35);
        }

        .logo-text {
            font-size: 14px;
            font-weight: 700;
            line-height: 1.35;
            color: var(--text-primary);
            letter-spacing: -0.2px;
        }

        .logo-text span {
            display: block;
            font-size: 11px;
            font-weight: 400;
            color: var(--text-secondary);
            letter-spacing: 0.3px;
        }

        .nav-center {
            display: flex;
            align-items: center;
            gap: 4px;
            flex: 1;
            justify-content: center;
            flex-wrap: nowrap;
        }

        .nav-link {
            padding: 8px 14px;
            border-radius: 10px;
            font-size: 14px;
            font-weight: 500;
            color: var(--text-secondary);
            position: relative;
            transition: color var(--transition), background var(--transition);
            white-space: nowrap;
        }

        .nav-link::after {
            content: "";
            position: absolute;
            left: 14px;
            right: 14px;
            bottom: 2px;
            height: 2px;
            border-radius: 2px;
            background: var(--gradient);
            transform: scaleX(0);
            transform-origin: left;
            transition: transform var(--transition);
        }

        .nav-link:hover {
            color: var(--accent);
            background: rgba(245, 166, 35, .06);
        }

        .nav-link:hover::after,
        .nav-link.active::after {
            transform: scaleX(1);
        }

        .nav-link.active {
            color: var(--accent);
            font-weight: 600;
        }

        .header-cta {
            display: flex;
            align-items: center;
            gap: 8px;
            flex-shrink: 0;
            flex-wrap: nowrap;
        }

        /* ============ 按钮 ============ */
        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            padding: 11px 22px;
            border-radius: 999px;
            font-size: 14px;
            font-weight: 600;
            line-height: 1.4;
            cursor: pointer;
            transition: all var(--transition);
            border: 2px solid transparent;
            text-decoration: none;
            outline: none;
            white-space: nowrap;
        }

        .btn:focus-visible {
            outline: 3px solid rgba(232, 72, 106, .5);
            outline-offset: 3px;
        }

        .btn-primary {
            background: var(--gradient);
            color: #fff;
            border: none;
            box-shadow: 0 4px 18px rgba(232, 72, 106, .35);
        }

        .btn-primary:hover {
            filter: brightness(1.08);
            color: #fff;
            box-shadow: 0 6px 26px rgba(232, 72, 106, .5);
            transform: translateY(-1px);
        }

        .btn-primary:active {
            transform: translateY(1px);
            box-shadow: 0 2px 10px rgba(232, 72, 106, .3);
        }

        .btn-outline {
            background: transparent;
            color: var(--accent);
            border: 2px solid var(--accent);
        }

        .btn-outline:hover {
            background: rgba(245, 166, 35, .1);
            color: var(--accent);
            transform: translateY(-1px);
        }

        .btn-outline:active {
            transform: translateY(1px);
        }

        .btn-sm {
            padding: 8px 16px;
            font-size: 13px;
        }

        .btn-lg {
            padding: 14px 30px;
            font-size: 16px;
        }

        /* ============ 移动端汉堡 ============ */
        .nav-toggle {
            display: none;
            background: none;
            border: 1px solid var(--border-color);
            border-radius: 10px;
            width: 44px;
            height: 44px;
            cursor: pointer;
            flex-direction: column;
            align-items: center;
            justify-content: center;
            gap: 5px;
            transition: background var(--transition);
            flex-shrink: 0;
            padding: 0;
        }

        .nav-toggle:hover {
            background: rgba(245, 166, 35, .08);
        }

        .nav-toggle span {
            display: block;
            width: 22px;
            height: 2px;
            background: var(--text-primary);
            border-radius: 2px;
            transition: all var(--transition);
        }

        /* ============ 面包屑 ============ */
        .breadcrumb-section {
            background: var(--bg-secondary);
            border-bottom: 1px solid var(--border-color);
            padding: 18px 0;
        }

        .breadcrumb {
            display: flex;
            align-items: center;
            flex-wrap: wrap;
            gap: 8px;
            font-size: 14px;
            color: var(--text-secondary);
            list-style: none;
            margin: 0;
            padding: 0;
        }

        .breadcrumb li {
            display: flex;
            align-items: center;
            gap: 8px;
        }

        .breadcrumb li:not(:last-child)::after {
            content: "/";
            color: var(--border-color);
            margin-left: 4px;
        }

        .breadcrumb a {
            color: var(--text-secondary);
            text-decoration: none;
            transition: color var(--transition);
        }

        .breadcrumb a:hover {
            color: var(--accent);
        }

        .breadcrumb .current {
            color: var(--accent);
            font-weight: 500;
            max-width: 300px;
            overflow: hidden;
            text-overflow: ellipsis;
            white-space: nowrap;
        }

        /* ============ 文章标题区 ============ */
        .article-hero-section {
            padding: 36px 0 28px;
            background: radial-gradient(ellipse at 20% 0%, rgba(232, 72, 106, .08) 0%, transparent 55%),
                radial-gradient(ellipse at 80% 10%, rgba(245, 166, 35, .06) 0%, transparent 50%),
                var(--bg-dark);
        }

        .article-hero-inner {
            max-width: 860px;
            margin: 0 auto;
        }

        .article-title {
            font-size: clamp(26px, 4vw, 40px);
            font-weight: 800;
            line-height: 1.35;
            letter-spacing: -0.5px;
            color: var(--text-primary);
            margin-bottom: 18px;
        }

        .article-meta-row {
            display: flex;
            align-items: center;
            flex-wrap: wrap;
            gap: 14px;
            margin-bottom: 24px;
            font-size: 14px;
            color: var(--text-secondary);
        }

        .article-meta-row .meta-item {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            white-space: nowrap;
        }

        .article-meta-row .meta-item i {
            color: var(--accent);
            font-size: 13px;
        }

        .category-tag {
            display: inline-flex;
            align-items: center;
            padding: 5px 14px;
            border-radius: 999px;
            background: rgba(245, 166, 35, .12);
            color: var(--accent);
            font-size: 13px;
            font-weight: 600;
            border: 1px solid rgba(245, 166, 35, .25);
            white-space: nowrap;
        }

        .article-cover-wrap {
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow-card);
            border: 1px solid var(--border-color);
            margin-bottom: 10px;
            position: relative;
        }

        .article-cover-wrap img {
            width: 100%;
            height: auto;
            max-height: 420px;
            object-fit: cover;
        }

        .article-cover-wrap .cover-overlay {
            position: absolute;
            bottom: 0;
            left: 0;
            right: 0;
            padding: 40px 24px 18px;
            background: linear-gradient(to top, rgba(15, 17, 24, .7) 0%, transparent 100%);
            pointer-events: none;
        }

        /* ============ 正文阅读区 ============ */
        .article-content-section {
            padding: 32px 0 48px;
        }

        .article-content {
            max-width: 760px;
            margin: 0 auto;
            font-size: 16px;
            line-height: 1.8;
            color: var(--text-primary);
        }

        .article-content h2 {
            font-size: 24px;
            font-weight: 700;
            line-height: 1.45;
            color: var(--text-primary);
            margin-top: 40px;
            margin-bottom: 16px;
            letter-spacing: -0.3px;
            padding-left: 14px;
            border-left: 4px solid var(--accent);
        }

        .article-content h3 {
            font-size: 20px;
            font-weight: 600;
            line-height: 1.5;
            color: var(--text-primary);
            margin-top: 32px;
            margin-bottom: 12px;
            letter-spacing: -0.2px;
        }

        .article-content p {
            margin-bottom: 20px;
            color: rgba(248, 246, 242, .88);
        }

        .article-content ul,
        .article-content ol {
            margin: 0 0 20px 0;
            padding-left: 24px;
        }

        .article-content ul li,
        .article-content ol li {
            margin-bottom: 10px;
            color: rgba(248, 246, 242, .88);
            position: relative;
        }

        .article-content ul li::marker {
            color: var(--accent);
        }

        .article-content ol li::marker {
            color: var(--primary);
            font-weight: 600;
        }

        .article-content blockquote {
            margin: 24px 0;
            padding: 18px 22px;
            background: var(--bg-card);
            border-left: 4px solid var(--accent);
            border-radius: 0 var(--radius-md) var(--radius-md) 0;
            color: var(--text-secondary);
            font-size: 15px;
            line-height: 1.7;
        }

        .article-content code {
            background: var(--bg-card);
            padding: 2px 8px;
            border-radius: 6px;
            font-size: 14px;
            color: var(--accent);
            border: 1px solid var(--border-color);
            font-family: "SFMono-Regular", Consolas, "Liberation Mono", monospace;
        }

        .article-content img {
            border-radius: var(--radius-md);
            margin: 24px auto;
            box-shadow: var(--shadow-card);
            border: 1px solid var(--border-color);
            max-width: 100%;
            height: auto;
        }

        /* ============ 延伸阅读 ============ */
        .extended-reading-section {
            padding: 48px 0 52px;
            background: var(--bg-secondary);
            border-top: 1px solid var(--border-color);
        }

        .section-header {
            text-align: left;
            margin-bottom: 28px;
        }

        .section-header h2 {
            font-size: clamp(22px, 3vw, 30px);
            font-weight: 700;
            letter-spacing: -0.3px;
            color: var(--text-primary);
            margin-bottom: 8px;
        }

        .section-header .section-sub {
            font-size: 15px;
            color: var(--text-secondary);
        }

        .extended-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
            gap: 22px;
        }

        .extended-card {
            background: var(--bg-card);
            border: 1px solid var(--border-color);
            border-radius: var(--radius-md);
            padding: 24px;
            box-shadow: var(--shadow-card);
            transition: all var(--transition);
            display: flex;
            flex-direction: column;
            gap: 10px;
        }

        .extended-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-hover);
            border-color: rgba(245, 166, 35, .35);
        }

        .extended-card .extended-title {
            font-size: 18px;
            font-weight: 700;
            line-height: 1.45;
            color: var(--text-primary);
        }

        .extended-card .extended-title a {
            text-decoration: none;
            color: var(--text-primary);
            transition: color var(--transition);
        }

        .extended-card .extended-title a:hover {
            color: var(--accent);
        }

        .extended-card .extended-desc {
            font-size: 14px;
            color: var(--text-secondary);
            line-height: 1.7;
            flex: 1;
        }

        .extended-card .extended-link {
            font-size: 14px;
            font-weight: 600;
            color: var(--accent);
            display: inline-flex;
            align-items: center;
            gap: 6px;
            transition: gap var(--transition);
        }

        .extended-card .extended-link:hover {
            gap: 10px;
        }

        /* ============ 相关推荐 ============ */
        .related-section {
            padding: 48px 0 52px;
        }

        .related-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
            gap: 20px;
        }

        .related-card {
            background: var(--bg-card);
            border: 1px solid var(--border-color);
            border-radius: var(--radius-md);
            overflow: hidden;
            box-shadow: 0 4px 16px rgba(0, 0, 0, .3);
            transition: all var(--transition);
            display: flex;
            flex-direction: column;
            cursor: pointer;
        }

        .related-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-hover);
            border-color: rgba(245, 166, 35, .3);
        }

        .related-card .related-thumb {
            height: 150px;
            overflow: hidden;
            position: relative;
            flex-shrink: 0;
        }

        .related-card .related-thumb img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform .4s ease;
        }

        .related-card:hover .related-thumb img {
            transform: scale(1.06);
        }

        .related-card .related-body {
            padding: 18px 20px 20px;
            display: flex;
            flex-direction: column;
            gap: 8px;
            flex: 1;
        }

        .related-card .related-tag {
            display: inline-block;
            padding: 3px 10px;
            border-radius: 999px;
            background: rgba(245, 166, 35, .12);
            color: var(--accent);
            font-size: 12px;
            font-weight: 600;
            align-self: flex-start;
        }

        .related-card .related-title {
            font-size: 15px;
            font-weight: 700;
            line-height: 1.5;
            color: var(--text-primary);
        }

        .related-card .related-title a {
            text-decoration: none;
            color: inherit;
            transition: color var(--transition);
        }

        .related-card .related-title a:hover {
            color: var(--accent);
        }

        .related-card .related-meta {
            font-size: 12px;
            color: var(--text-secondary);
            display: flex;
            align-items: center;
            gap: 10px;
            margin-top: auto;
        }

        /* ============ 返回入口 ============ */
        .back-entry-section {
            padding: 40px 0;
            background: var(--bg-secondary);
            border-top: 1px solid var(--border-color);
            text-align: center;
        }

        .back-entry-buttons {
            display: flex;
            align-items: center;
            justify-content: center;
            gap: 16px;
            flex-wrap: wrap;
        }

        /* ============ 文章页 CTA ============ */
        .article-cta-section {
            padding: 52px 0;
        }

        .article-cta-box {
            max-width: 780px;
            margin: 0 auto;
            background: var(--gradient);
            border-radius: var(--radius-lg);
            padding: 36px 40px;
            text-align: center;
            box-shadow: 0 10px 40px rgba(232, 72, 106, .35);
            border: none;
        }

        .article-cta-box h2 {
            font-size: clamp(22px, 3vw, 30px);
            font-weight: 800;
            color: #fff;
            letter-spacing: -0.3px;
            margin-bottom: 14px;
        }

        .article-cta-box p {
            font-size: 15px;
            color: rgba(255, 255, 255, .92);
            line-height: 1.7;
            margin-bottom: 22px;
        }

        .article-cta-box .btn-white {
            background: #fff;
            color: #E8486A;
            border: none;
            box-shadow: 0 4px 18px rgba(0, 0, 0, .2);
        }

        .article-cta-box .btn-white:hover {
            filter: brightness(1.03);
            color: #E8486A;
            transform: translateY(-1px);
            box-shadow: 0 6px 28px rgba(0, 0, 0, .28);
        }

        .article-cta-box .btn-ghost-white {
            background: transparent;
            color: #fff;
            border: 2px solid rgba(255, 255, 255, .75);
        }

        .article-cta-box .btn-ghost-white:hover {
            background: rgba(255, 255, 255, .15);
            color: #fff;
            transform: translateY(-1px);
        }

        /* ============ 空态 ============ */
        .empty-state {
            text-align: center;
            padding: 48px 20px;
            background: var(--bg-card);
            border-radius: var(--radius-lg);
            border: 1px dashed var(--border-color);
        }

        .empty-state .empty-icon {
            font-size: 42px;
            color: var(--text-secondary);
            margin-bottom: 16px;
            opacity: .6;
        }

        .empty-state h3 {
            font-size: 20px;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 8px;
        }

        .empty-state p {
            font-size: 14px;
            color: var(--text-secondary);
            margin-bottom: 20px;
        }

        /* ============ 页脚 ============ */
        .site-footer {
            background: #0B0D12;
            border-top: 2px solid transparent;
            border-image: var(--gradient) 1;
            padding: 52px 0 30px;
            margin-top: 0;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 1.6fr 1fr 1.4fr;
            gap: 36px;
            margin-bottom: 36px;
        }

        .footer-brand .logo-area {
            max-width: none;
            margin-bottom: 12px;
        }

        .footer-brand p {
            font-size: 14px;
            color: var(--text-secondary);
            line-height: 1.7;
            margin: 0;
        }

        .footer-col h4 {
            font-size: 16px;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 16px;
        }

        .footer-links {
            list-style: none;
            margin: 0;
            padding: 0;
            display: flex;
            flex-direction: column;
            gap: 10px;
        }

        .footer-links li a {
            font-size: 14px;
            color: var(--text-secondary);
            text-decoration: none;
            transition: color var(--transition);
        }

        .footer-links li a:hover {
            color: var(--accent);
        }

        .footer-contact {
            display: flex;
            flex-direction: column;
            gap: 10px;
            font-size: 14px;
            color: var(--text-secondary);
        }

        .footer-contact p {
            margin: 0;
            display: flex;
            align-items: center;
            gap: 8px;
        }

        .footer-contact i {
            color: var(--accent);
            width: 16px;
            text-align: center;
        }

        .footer-bottom {
            border-top: 1px solid var(--border-color);
            padding-top: 20px;
            text-align: center;
            font-size: 13px;
            color: var(--text-secondary);
        }

        .footer-bottom p {
            margin: 0;
        }

        /* ============ 响应式 ============ */
        @media (max-width: 1024px) {
            .header-inner {
                gap: 12px;
            }

            .nav-link {
                padding: 8px 10px;
                font-size: 13px;
            }

            .logo-text {
                font-size: 13px;
            }

            .logo-text span {
                font-size: 10px;
            }

            .btn {
                padding: 9px 16px;
                font-size: 13px;
            }

            .footer-grid {
                grid-template-columns: 1.4fr 1fr 1.2fr;
                gap: 24px;
            }
        }

        @media (max-width: 768px) {
            .nav-center {
                display: none;
                position: absolute;
                top: 72px;
                left: 0;
                right: 0;
                background: rgba(15, 17, 24, .98);
                border-bottom: 1px solid var(--border-color);
                flex-direction: column;
                align-items: stretch;
                padding: 12px 20px;
                gap: 4px;
                box-shadow: 0 8px 30px rgba(0, 0, 0, .45);
                z-index: 998;
            }

            .nav-center.nav-open {
                display: flex;
            }

            .nav-link {
                padding: 12px 16px;
                font-size: 15px;
                border-radius: 10px;
            }

            .nav-link::after {
                display: none;
            }

            .nav-toggle {
                display: flex;
            }

            .header-cta {
                gap: 6px;
            }

            .header-cta .btn {
                padding: 8px 13px;
                font-size: 12px;
            }

            .header-cta .btn-outline {
                display: none;
            }

            .footer-grid {
                grid-template-columns: 1fr;
                gap: 28px;
            }

            .footer-brand {
                text-align: left;
            }

            .article-hero-section {
                padding: 24px 0 20px;
            }

            .article-title {
                font-size: 24px;
            }

            .article-cover-wrap img {
                max-height: 240px;
            }

            .article-content {
                font-size: 15px;
            }

            .article-content h2 {
                font-size: 20px;
                padding-left: 10px;
            }

            .article-content h3 {
                font-size: 17px;
            }

            .article-cta-box {
                padding: 28px 22px;
                border-radius: var(--radius-md);
            }

            .breadcrumb .current {
                max-width: 180px;
            }

            .related-grid {
                grid-template-columns: 1fr;
            }

            .extended-grid {
                grid-template-columns: 1fr;
            }
        }

        @media (max-width: 520px) {
            .logo-text {
                font-size: 12px;
                max-width: 140px;
                overflow: hidden;
                text-overflow: ellipsis;
                white-space: nowrap;
            }

            .logo-icon {
                width: 36px;
                height: 36px;
                font-size: 17px;
                border-radius: 10px;
            }

            .header-cta .btn {
                padding: 7px 12px;
                font-size: 11px;
                gap: 4px;
            }

            .header-inner {
                min-height: 62px;
                padding: 8px 0;
                gap: 8px;
            }

            .nav-toggle {
                width: 38px;
                height: 38px;
            }

            .nav-center {
                top: 62px;
                padding: 10px 16px;
            }

            .article-title {
                font-size: 21px;
                letter-spacing: -0.3px;
            }

            .article-meta-row {
                gap: 10px;
                font-size: 12px;
            }

            .category-tag {
                padding: 4px 10px;
                font-size: 12px;
            }

            .article-content {
                font-size: 14px;
                line-height: 1.75;
            }

            .article-content h2 {
                font-size: 18px;
            }

            .article-cta-box h2 {
                font-size: 20px;
            }

            .back-entry-buttons {
                flex-direction: column;
                gap: 10px;
            }

            .back-entry-buttons .btn {
                width: 100%;
                justify-content: center;
            }
        }

/* roulang page: category1 */
/* ============ 设计变量 ============ */
    :root {
        --primary: #E8486A;
        --accent: #F5A623;
        --gradient: linear-gradient(135deg, #E8486A 0%, #F5A623 100%);
        --bg-dark: #0F1118;
        --bg-card: #1E2130;
        --bg-secondary: #1A1D29;
        --text-primary: #F8F6F2;
        --text-secondary: #B8B7C0;
        --border-color: #2C3040;
        --radius-lg: 24px;
        --radius-md: 16px;
        --radius-sm: 12px;
        --shadow-card: 0 8px 30px rgba(0, 0, 0, .35);
        --shadow-hover: 0 16px 48px rgba(0, 0, 0, .45);
        --font-stack: "PingFang SC", "Microsoft YaHei", system-ui, -apple-system, sans-serif;
        --transition: .28s cubic-bezier(.4, 0, .2, 1);
    }

    /* ============ 基础 Reset ============ */
    html {
        scroll-behavior: smooth;
        -webkit-text-size-adjust: 100%;
    }
    body {
        font-family: var(--font-stack);
        font-size: 16px;
        line-height: 1.8;
        color: var(--text-primary);
        background-color: var(--bg-dark);
        -webkit-font-smoothing: antialiased;
        -moz-osx-font-smoothing: grayscale;
        overflow-x: hidden;
        margin: 0;
        padding: 0;
    }
    a {
        color: inherit;
        text-decoration: none;
        transition: color var(--transition);
    }
    a:hover {
        color: var(--accent);
    }
    img {
        max-width: 100%;
        height: auto;
        display: block;
        border: 0;
    }
    button, input, textarea, select {
        font-family: var(--font-stack);
        font-size: 16px;
        line-height: 1.6;
    }
    ul, ol {
        margin: 0;
        padding: 0;
        list-style: none;
    }
    h1, h2, h3, h4, h5, h6 {
        margin: 0 0 .75rem;
        line-height: 1.35;
        font-weight: 700;
        color: var(--text-primary);
    }
    h1 {
        font-size: clamp(32px, 5vw, 56px);
        letter-spacing: -1px;
        font-weight: 900;
    }
    h2 {
        font-size: clamp(24px, 3.5vw, 36px);
        font-weight: 700;
        letter-spacing: -0.3px;
    }
    h3 {
        font-size: clamp(20px, 2.5vw, 26px);
        font-weight: 600;
    }
    p {
        margin: 0 0 1rem;
    }
    * {
        box-sizing: border-box;
    }

    /* ============ 容器 ============ */
    .container {
        max-width: 1180px;
        margin: 0 auto;
        padding: 0 24px;
    }
    .container-narrow {
        max-width: 900px;
        margin: 0 auto;
        padding: 0 24px;
    }
    .container-wide {
        max-width: 1320px;
        margin: 0 auto;
        padding: 0 28px;
    }

    /* ============ Header / Nav ============ */
    .site-header {
        position: sticky;
        top: 0;
        z-index: 999;
        background: rgba(15, 17, 24, .96);
        backdrop-filter: blur(12px);
        -webkit-backdrop-filter: blur(12px);
        border-bottom: 1px solid var(--border-color);
        box-shadow: 0 2px 20px rgba(0, 0, 0, .3);
    }
    .header-inner {
        display: flex;
        align-items: center;
        justify-content: space-between;
        gap: 20px;
        min-height: 72px;
        padding: 12px 0;
    }
    .logo-area {
        display: flex;
        align-items: center;
        gap: 10px;
        flex-shrink: 0;
        max-width: 290px;
    }
    .logo-icon {
        width: 42px;
        height: 42px;
        border-radius: 12px;
        background: var(--gradient);
        display: flex;
        align-items: center;
        justify-content: center;
        font-size: 20px;
        color: #fff;
        flex-shrink: 0;
        box-shadow: 0 4px 16px rgba(232, 72, 106, .35);
    }
    .logo-text {
        font-size: 15px;
        font-weight: 700;
        line-height: 1.35;
        color: var(--text-primary);
        letter-spacing: -0.2px;
    }
    .logo-text span {
        display: block;
        font-size: 11px;
        font-weight: 400;
        color: var(--text-secondary);
        letter-spacing: 0.3px;
    }
    .nav-center {
        display: flex;
        align-items: center;
        gap: 6px;
        flex: 1;
        justify-content: center;
    }
    .nav-link {
        padding: 8px 16px;
        border-radius: 10px;
        font-size: 15px;
        font-weight: 500;
        color: var(--text-secondary);
        position: relative;
        transition: color var(--transition), background var(--transition);
        white-space: nowrap;
    }
    .nav-link::after {
        content: "";
        position: absolute;
        left: 16px;
        right: 16px;
        bottom: 2px;
        height: 2px;
        border-radius: 2px;
        background: var(--gradient);
        transform: scaleX(0);
        transform-origin: left;
        transition: transform var(--transition);
    }
    .nav-link:hover {
        color: var(--accent);
        background: rgba(245, 166, 35, .06);
    }
    .nav-link:hover::after,
    .nav-link.active::after {
        transform: scaleX(1);
    }
    .nav-link.active {
        color: var(--accent);
        font-weight: 600;
    }
    .header-cta {
        display: flex;
        align-items: center;
        gap: 10px;
        flex-shrink: 0;
    }

    /* ============ 按钮 ============ */
    .btn {
        display: inline-flex;
        align-items: center;
        justify-content: center;
        gap: 8px;
        padding: 12px 24px;
        border-radius: 999px;
        font-size: 15px;
        font-weight: 600;
        line-height: 1.4;
        cursor: pointer;
        transition: all var(--transition);
        border: 2px solid transparent;
        text-decoration: none;
        outline: none;
        white-space: nowrap;
    }
    .btn:focus-visible {
        outline: 3px solid rgba(232, 72, 106, .5);
        outline-offset: 3px;
    }
    .btn-primary {
        background: var(--gradient);
        color: #fff;
        border: none;
        box-shadow: 0 4px 18px rgba(232, 72, 106, .35);
    }
    .btn-primary:hover {
        filter: brightness(1.08);
        color: #fff;
        box-shadow: 0 6px 26px rgba(232, 72, 106, .5);
        transform: translateY(-1px);
    }
    .btn-primary:active {
        transform: translateY(1px);
        box-shadow: 0 2px 10px rgba(232, 72, 106, .3);
    }
    .btn-outline {
        background: transparent;
        color: var(--accent);
        border: 2px solid var(--accent);
    }
    .btn-outline:hover {
        background: rgba(245, 166, 35, .1);
        color: var(--accent);
        transform: translateY(-1px);
    }
    .btn-outline:active {
        transform: translateY(1px);
    }
    .btn-sm {
        padding: 9px 18px;
        font-size: 14px;
    }
    .btn-lg {
        padding: 15px 32px;
        font-size: 16px;
    }

    /* ============ 移动端汉堡 ============ */
    .nav-toggle {
        display: none;
        background: none;
        border: 1px solid var(--border-color);
        border-radius: 10px;
        width: 44px;
        height: 44px;
        cursor: pointer;
        flex-direction: column;
        align-items: center;
        justify-content: center;
        gap: 5px;
        transition: background var(--transition);
    }
    .nav-toggle:hover {
        background: rgba(255, 255, 255, 0.06);
    }
    .nav-toggle span {
        display: block;
        width: 20px;
        height: 2px;
        background: var(--text-primary);
        border-radius: 2px;
        transition: all var(--transition);
    }
    .nav-toggle.active span:nth-child(1) {
        transform: translateY(7px) rotate(45deg);
    }
    .nav-toggle.active span:nth-child(2) {
        opacity: 0;
    }
    .nav-toggle.active span:nth-child(3) {
        transform: translateY(-7px) rotate(-45deg);
    }

    /* ============ 通用 Section ============ */
    .section {
        padding: 72px 0;
    }
    .section-alt {
        background: var(--bg-secondary);
    }
    .section-title {
        font-size: clamp(24px, 3.5vw, 36px);
        font-weight: 800;
        letter-spacing: -0.3px;
        margin-bottom: 16px;
        color: var(--text-primary);
    }
    .section-subtitle {
        font-size: 16px;
        color: var(--text-secondary);
        max-width: 680px;
        margin-bottom: 40px;
        line-height: 1.8;
    }
    .highlight-text {
        background: var(--gradient);
        -webkit-background-clip: text;
        -webkit-text-fill-color: transparent;
        background-clip: text;
    }

    /* ============ 分类 H1 标题区（优惠券墙入口） ============ */
    .category-hero {
        padding: 48px 0 40px;
        position: relative;
        overflow: hidden;
    }
    .category-hero::before {
        content: "";
        position: absolute;
        top: -80px;
        right: -80px;
        width: 400px;
        height: 400px;
        background: radial-gradient(circle, rgba(232, 72, 106, .18) 0%, transparent 70%);
        pointer-events: none;
    }
    .category-hero::after {
        content: "";
        position: absolute;
        bottom: -100px;
        left: -60px;
        width: 350px;
        height: 350px;
        background: radial-gradient(circle, rgba(245, 166, 35, .12) 0%, transparent 70%);
        pointer-events: none;
    }
    .hero-h1-wrap {
        display: flex;
        align-items: center;
        gap: 36px;
        position: relative;
        z-index: 1;
        flex-wrap: wrap;
    }
    .hero-h1-content {
        flex: 1 1 55%;
        min-width: 300px;
    }
    .hero-h1-content h1 {
        margin-bottom: 12px;
    }
    .hero-h1-content .hero-desc {
        font-size: 16px;
        color: var(--text-secondary);
        line-height: 1.8;
        max-width: 540px;
        margin-bottom: 0;
    }
    .hero-coupon-card {
        flex: 0 0 340px;
        background: var(--bg-card);
        border: 1px solid rgba(245, 166, 35, .3);
        border-radius: var(--radius-lg);
        padding: 24px;
        box-shadow: var(--shadow-card);
        position: relative;
        overflow: hidden;
        min-height: 180px;
        display: flex;
        flex-direction: column;
        justify-content: space-between;
        transition: transform var(--transition), box-shadow var(--transition), border-color var(--transition);
    }
    .hero-coupon-card:hover {
        transform: translateY(-4px);
        box-shadow: var(--shadow-hover);
        border-color: rgba(245, 166, 35, .5);
    }
    .hero-coupon-card .coupon-badge {
        position: absolute;
        top: 16px;
        right: 16px;
        background: var(--gradient);
        color: #fff;
        font-size: 11px;
        font-weight: 700;
        padding: 4px 12px;
        border-radius: 999px;
        letter-spacing: 0.5px;
    }
    .hero-coupon-card .coupon-icon {
        width: 40px;
        height: 40px;
        border-radius: 10px;
        background: rgba(245, 166, 35, .15);
        display: flex;
        align-items: center;
        justify-content: center;
        color: var(--accent);
        font-size: 18px;
        margin-bottom: 12px;
    }
    .hero-coupon-card .coupon-title {
        font-size: 18px;
        font-weight: 700;
        color: var(--text-primary);
        margin-bottom: 6px;
    }
    .hero-coupon-card .coupon-status {
        font-size: 13px;
        color: var(--text-secondary);
        margin-bottom: 16px;
        display: flex;
        align-items: center;
        gap: 6px;
    }
    .hero-coupon-card .coupon-status .dot {
        width: 8px;
        height: 8px;
        border-radius: 50%;
        background: #4CAF50;
        display: inline-block;
        animation: pulse-dot 2s infinite;
    }
    @keyframes pulse-dot {
        0%, 100% { opacity: 1; }
        50% { opacity: 0.4; }
    }

    /* ============ 分类入口芯片 ============ */
    .chips-section {
        padding: 32px 0 48px;
    }
    .chips-wrap {
        display: flex;
        flex-wrap: wrap;
        gap: 12px;
        align-items: center;
    }
    .chip-link {
        display: inline-flex;
        align-items: center;
        gap: 6px;
        padding: 9px 20px;
        border-radius: 999px;
        background: var(--bg-card);
        border: 1px solid var(--border-color);
        font-size: 14px;
        font-weight: 500;
        color: var(--text-secondary);
        transition: all var(--transition);
        white-space: nowrap;
    }
    .chip-link:hover {
        background: rgba(245, 166, 35, .1);
        border-color: var(--accent);
        color: var(--accent);
        transform: translateY(-1px);
    }
    .chip-link i {
        font-size: 12px;
    }

    /* ============ 地址卡片列表 ============ */
    .address-list-section {
        padding: 48px 0 64px;
        background: var(--bg-secondary);
    }
    .address-grid {
        display: grid;
        grid-template-columns: repeat(3, 1fr);
        gap: 24px;
    }
    .address-card {
        background: var(--bg-card);
        border-radius: var(--radius-lg);
        overflow: hidden;
        border: 1px solid var(--border-color);
        box-shadow: var(--shadow-card);
        transition: transform var(--transition), box-shadow var(--transition), border-color var(--transition);
        display: flex;
        flex-direction: column;
    }
    .address-card:hover {
        transform: translateY(-4px);
        box-shadow: var(--shadow-hover);
        border-color: rgba(245, 166, 35, .4);
    }
    .address-card-img {
        width: 100%;
        aspect-ratio: 16 / 9;
        object-fit: cover;
        background: var(--bg-secondary);
    }
    .address-card-body {
        padding: 20px 22px 22px;
        display: flex;
        flex-direction: column;
        flex: 1;
    }
    .address-card-badge {
        display: inline-flex;
        align-items: center;
        gap: 6px;
        padding: 4px 12px;
        border-radius: 999px;
        background: rgba(245, 166, 35, .15);
        color: var(--accent);
        font-size: 12px;
        font-weight: 600;
        margin-bottom: 10px;
        width: fit-content;
    }
    .address-card-title {
        font-size: 17px;
        font-weight: 700;
        color: var(--text-primary);
        margin-bottom: 8px;
        line-height: 1.4;
    }
    .address-card-desc {
        font-size: 13px;
        color: var(--text-secondary);
        line-height: 1.7;
        margin-bottom: 16px;
        flex: 1;
    }
    .address-card-footer {
        display: flex;
        align-items: center;
        justify-content: space-between;
        gap: 10px;
    }
    .address-card-time {
        font-size: 12px;
        color: var(--text-secondary);
        display: flex;
        align-items: center;
        gap: 4px;
    }
    .view-more-wrap {
        text-align: center;
        margin-top: 32px;
    }

    /* ============ 扩展场景 ============ */
    .scene-section {
        padding: 64px 0;
    }
    .scene-grid {
        display: grid;
        grid-template-columns: repeat(3, 1fr);
        gap: 24px;
    }
    .scene-card {
        background: var(--bg-card);
        border-radius: var(--radius-md);
        padding: 28px 24px;
        border: 1px solid var(--border-color);
        transition: all var(--transition);
        display: flex;
        flex-direction: column;
        gap: 10px;
    }
    .scene-card:hover {
        border-color: rgba(245, 166, 35, .35);
        transform: translateY(-3px);
        box-shadow: var(--shadow-card);
    }
    .scene-icon {
        width: 46px;
        height: 46px;
        border-radius: 12px;
        background: rgba(232, 72, 106, .15);
        display: flex;
        align-items: center;
        justify-content: center;
        color: var(--primary);
        font-size: 20px;
        margin-bottom: 6px;
    }
    .scene-name {
        font-size: 17px;
        font-weight: 700;
        color: var(--text-primary);
    }
    .scene-desc {
        font-size: 13px;
        color: var(--text-secondary);
        line-height: 1.7;
        margin-bottom: 0;
    }

    /* ============ 数据指标 ============ */
    .metrics-section {
        padding: 48px 0;
        background: var(--bg-secondary);
    }
    .metrics-row {
        display: flex;
        align-items: center;
        justify-content: center;
        gap: 48px;
        flex-wrap: wrap;
    }
    .metric-item {
        display: flex;
        align-items: center;
        gap: 14px;
        padding: 0 12px;
    }
    .metric-item + .metric-item {
        border-left: 1px solid var(--border-color);
        padding-left: 48px;
    }
    .metric-num {
        font-size: 32px;
        font-weight: 800;
        color: var(--accent);
        letter-spacing: -1px;
        line-height: 1.2;
    }
    .metric-label {
        font-size: 14px;
        color: var(--text-secondary);
        line-height: 1.4;
    }

    /* ============ 专题推荐 ============ */
    .feature-section {
        padding: 64px 0;
    }
    .feature-grid {
        display: grid;
        grid-template-columns: repeat(2, 1fr);
        gap: 24px;
    }
    .feature-card {
        position: relative;
        border-radius: var(--radius-lg);
        overflow: hidden;
        min-height: 220px;
        background: var(--bg-card);
        border: 1px solid var(--border-color);
        box-shadow: var(--shadow-card);
        transition: all var(--transition);
    }
    .feature-card:hover {
        transform: translateY(-4px);
        box-shadow: var(--shadow-hover);
        border-color: rgba(245, 166, 35, .4);
    }
    .feature-card-img {
        width: 100%;
        height: 100%;
        object-fit: cover;
        position: absolute;
        top: 0;
        left: 0;
        opacity: 0.35;
    }
    .feature-card-content {
        position: relative;
        z-index: 1;
        padding: 32px 28px;
        display: flex;
        flex-direction: column;
        justify-content: flex-end;
        min-height: 220px;
    }
    .feature-badge {
        display: inline-flex;
        align-items: center;
        gap: 6px;
        padding: 4px 12px;
        border-radius: 999px;
        background: rgba(232, 72, 106, .2);
        color: var(--primary);
        font-size: 12px;
        font-weight: 600;
        width: fit-content;
        margin-bottom: 12px;
    }
    .feature-title {
        font-size: 20px;
        font-weight: 700;
        color: #fff;
        margin-bottom: 8px;
    }
    .feature-desc {
        font-size: 13px;
        color: rgba(255, 255, 255, .7);
        margin-bottom: 16px;
        line-height: 1.7;
    }
    .feature-btn {
        width: fit-content;
    }

    /* ============ CTA 板块 ============ */
    .cta-section {
        padding: 64px 0;
    }
    .cta-box {
        background: var(--gradient);
        border-radius: var(--radius-lg);
        padding: 48px 40px;
        display: flex;
        align-items: center;
        justify-content: space-between;
        gap: 24px;
        flex-wrap: wrap;
        box-shadow: 0 12px 40px rgba(232, 72, 106, .3);
    }
    .cta-content h2 {
        font-size: clamp(22px, 3vw, 30px);
        font-weight: 800;
        color: #fff;
        margin-bottom: 8px;
        letter-spacing: -0.3px;
    }
    .cta-content p {
        color: rgba(255, 255, 255, .85);
        font-size: 15px;
        margin-bottom: 0;
        max-width: 520px;
    }
    .cta-actions {
        display: flex;
        gap: 12px;
        flex-wrap: wrap;
    }
    .btn-white {
        background: #fff;
        color: #E8486A;
        border: none;
    }
    .btn-white:hover {
        background: rgba(255, 255, 255, .9);
        color: #E8486A;
    }
    .btn-ghost-white {
        background: transparent;
        color: #fff;
        border: 2px solid rgba(255, 255, 255, .6);
    }
    .btn-ghost-white:hover {
        background: rgba(255, 255, 255, .15);
        color: #fff;
    }

    /* ============ Footer ============ */
    .site-footer {
        background: #0C0E15;
        border-top: 2px solid transparent;
        border-image: var(--gradient);
        border-image-slice: 1;
        padding: 48px 0 24px;
    }
    .footer-grid {
        display: grid;
        grid-template-columns: 2fr 1fr 1.2fr;
        gap: 40px;
        margin-bottom: 32px;
    }
    .footer-brand p {
        font-size: 14px;
        color: var(--text-secondary);
        line-height: 1.8;
        max-width: 360px;
    }
    .footer-col h4 {
        font-size: 15px;
        font-weight: 700;
        color: var(--text-primary);
        margin-bottom: 16px;
    }
    .footer-links li {
        margin-bottom: 10px;
    }
    .footer-links a {
        font-size: 14px;
        color: var(--text-secondary);
        transition: color var(--transition);
    }
    .footer-links a:hover {
        color: var(--accent);
    }
    .footer-contact p {
        font-size: 14px;
        color: var(--text-secondary);
        margin-bottom: 10px;
        display: flex;
        align-items: center;
        gap: 8px;
    }
    .footer-contact i {
        color: var(--accent);
        width: 16px;
    }
    .footer-bottom {
        border-top: 1px solid var(--border-color);
        padding-top: 20px;
        text-align: center;
    }
    .footer-bottom p {
        font-size: 13px;
        color: var(--text-secondary);
        margin-bottom: 0;
    }

    /* ============ 响应式 ============ */
    @media (max-width: 1024px) {
        .header-inner {
            flex-wrap: nowrap;
            gap: 12px;
        }
        .nav-center {
            gap: 2px;
        }
        .nav-link {
            padding: 8px 10px;
            font-size: 13px;
        }
        .hero-h1-wrap {
            gap: 24px;
        }
        .address-grid {
            grid-template-columns: repeat(2, 1fr);
        }
        .scene-grid {
            grid-template-columns: repeat(2, 1fr);
        }
        .feature-grid {
            grid-template-columns: 1fr;
        }
    }
    @media (max-width: 768px) {
        .header-inner {
            flex-wrap: wrap;
        }
        .header-cta {
            margin-left: auto;
        }
        .nav-toggle {
            display: flex;
        }
        .nav-center {
            display: none;
            position: absolute;
            top: 100%;
            left: 0;
            right: 0;
            background: rgba(15, 17, 24, .98);
            flex-direction: column;
            align-items: flex-start;
            gap: 4px;
            padding: 16px 24px;
            border-bottom: 1px solid var(--border-color);
            box-shadow: 0 20px 40px rgba(0, 0, 0, .4);
        }
        .nav-center.open {
            display: flex;
        }
        .nav-link {
            width: 100%;
            padding: 12px 16px;
            font-size: 15px;
        }
        .nav-link::after {
            display: none;
        }
        .nav-link:hover {
            background: rgba(245, 166, 35, .06);
        }
        .header-cta {
            gap: 6px;
        }
        .header-cta .btn {
            padding: 8px 14px;
            font-size: 13px;
        }
        .hero-h1-wrap {
            flex-direction: column;
            align-items: stretch;
        }
        .hero-coupon-card {
            flex: 1 1 auto;
            max-width: 100%;
        }
        .address-grid {
            grid-template-columns: 1fr;
        }
        .scene-grid {
            grid-template-columns: 1fr;
        }
        .metrics-row {
            gap: 20px;
        }
        .metric-item + .metric-item {
            border-left: none;
            padding-left: 12px;
        }
        .cta-box {
            flex-direction: column;
            align-items: flex-start;
            padding: 32px 24px;
        }
        .footer-grid {
            grid-template-columns: 1fr;
            gap: 24px;
        }
    }
    @media (max-width: 520px) {
        .section {
            padding: 48px 0;
        }
        .container, .container-wide, .container-narrow {
            padding: 0 16px;
        }
        .logo-text {
            font-size: 13px;
        }
        .logo-text span {
            font-size: 10px;
        }
        .logo-icon {
            width: 36px;
            height: 36px;
            font-size: 16px;
        }
        .header-cta .btn-outline {
            display: none;
        }
        .hero-h1-content h1 {
            font-size: 28px;
        }
        .hero-coupon-card {
            padding: 16px;
        }
        .address-card-body {
            padding: 16px 16px 18px;
        }
        .chips-wrap {
            gap: 8px;
        }
        .chip-link {
            padding: 7px 14px;
            font-size: 12px;
        }
        .metric-item {
            flex-direction: column;
            align-items: center;
            text-align: center;
            gap: 4px;
        }
        .metric-num {
            font-size: 26px;
        }
        .cta-actions {
            flex-direction: column;
            width: 100%;
        }
        .cta-actions .btn {
            width: 100%;
            justify-content: center;
        }
    }