/* roulang page: index */
/* ===== 设计变量 ===== */
    :root {
        --color-primary: #2C5F8A;
        --color-primary-dark: #1E405E;
        --color-primary-soft: #E6EDF3;
        --color-accent: #C9A063;
        --color-accent-soft: #F5EFE3;
        --color-bg: #F7F9FB;
        --color-surface: #FFFFFF;
        --color-text: #1F2A36;
        --color-text-secondary: #4A5B6C;
        --color-muted: #8A9AA8;
        --color-border: #D9E1E8;
        --color-success: #2E7D5B;
        --color-warning: #C7781E;
        --color-danger: #A8433B;
        --shadow-sm: 0 1px 2px rgba(31, 42, 54, .06);
        --shadow-card: 0 4px 24px rgba(31, 42, 54, .08);
        --shadow-hover: 0 8px 32px rgba(31, 42, 54, .12);
        --radius-sm: 8px;
        --radius-md: 12px;
        --radius-lg: 16px;
        --radius-full: 999px;
        --font-h1: 36px;
        --font-h2: 28px;
        --font-h3: 20px;
        --font-body: 16px;
        --font-small: 14px;
        --font-caption: 12px;
        --container: 1200px;
        --gap: 24px;
        --transition: .2s ease;
    }

    /* ===== 基础 Reset ===== */
    *, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
    html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
    body {
        font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'PingFang SC', 'Microsoft YaHei', 'Helvetica Neue', Arial, sans-serif;
        background: var(--color-bg);
        color: var(--color-text);
        font-size: var(--font-body);
        line-height: 1.75;
        -webkit-font-smoothing: antialiased;
        -moz-osx-font-smoothing: grayscale;
    }
    img { max-width: 100%; height: auto; display: block; }
    a { color: var(--color-primary); text-decoration: none; transition: color var(--transition); }
    a:hover { color: var(--color-primary-dark); }
    button { font-family: inherit; cursor: pointer; border: none; background: none; }
    input { font-family: inherit; }
    ul, ol { list-style: none; }
    h1, h2, h3, h4, h5, h6 { line-height: 1.3; font-weight: 700; color: var(--color-text); }

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

    /* ===== 通用板块 ===== */
    .section { padding: 96px 0; }
    .section-bg { background: var(--color-surface); }
    .section-header {
        text-align: center;
        max-width: 720px;
        margin: 0 auto 48px;
    }
    .section-header h2 {
        font-size: var(--font-h2);
        margin-bottom: 12px;
        letter-spacing: .01em;
    }
    .section-header p {
        color: var(--color-text-secondary);
        font-size: var(--font-small);
    }
    .section-header .section-tag {
        display: inline-block;
        background: var(--color-accent-soft);
        color: var(--color-accent);
        font-size: var(--font-caption);
        font-weight: 600;
        padding: 4px 14px;
        border-radius: var(--radius-full);
        margin-bottom: 16px;
        letter-spacing: .05em;
        text-transform: uppercase;
    }

    /* ===== 按钮 ===== */
    .btn {
        display: inline-flex;
        align-items: center;
        justify-content: center;
        gap: 8px;
        padding: 12px 28px;
        border-radius: var(--radius-sm);
        font-size: 15px;
        font-weight: 600;
        line-height: 1.4;
        transition: all var(--transition);
        border: 1px solid transparent;
        text-decoration: none;
        cursor: pointer;
        white-space: nowrap;
    }
    .btn-primary {
        background: var(--color-primary);
        color: #fff;
        border-color: var(--color-primary);
    }
    .btn-primary:hover {
        background: var(--color-primary-dark);
        border-color: var(--color-primary-dark);
        color: #fff;
        box-shadow: 0 4px 16px rgba(30, 64, 94, .25);
        transform: translateY(-1px);
    }
    .btn-primary:active { transform: scale(.98); }
    .btn-outline {
        background: var(--color-surface);
        color: var(--color-primary);
        border-color: var(--color-border);
    }
    .btn-outline:hover {
        border-color: var(--color-primary);
        color: var(--color-primary);
        background: var(--color-primary-soft);
    }
    .btn-outline:active { transform: scale(.98); }
    .btn-light {
        background: #fff;
        color: var(--color-primary-dark);
        border-color: #fff;
    }
    .btn-light:hover {
        background: var(--color-accent-soft);
        border-color: var(--color-accent-soft);
        color: var(--color-primary-dark);
    }
    .btn-ghost {
        background: transparent;
        color: var(--color-text-secondary);
        border: 1px solid var(--color-border);
    }
    .btn-ghost:hover {
        color: var(--color-primary);
        border-color: var(--color-primary);
        background: rgba(255, 255, 255, .6);
    }
    .btn-lg { padding: 14px 36px; font-size: 16px; }
    .btn-sm { padding: 8px 20px; font-size: 14px; }
    .btn-block { width: 100%; }
    .btn:focus-visible {
        outline: 3px solid rgba(44, 95, 138, .3);
        outline-offset: 2px;
    }

    /* ===== 标签/徽章 ===== */
    .badge {
        display: inline-flex;
        align-items: center;
        gap: 4px;
        padding: 3px 12px;
        border-radius: var(--radius-full);
        font-size: var(--font-caption);
        font-weight: 600;
        line-height: 1.5;
        background: var(--color-primary-soft);
        color: var(--color-primary);
        border: 1px solid transparent;
        transition: all var(--transition);
    }
    .badge-accent {
        background: var(--color-accent-soft);
        color: var(--color-accent);
    }
    .badge-success { background: rgba(46, 125, 91, .1); color: var(--color-success); }
    .badge-warning { background: rgba(199, 120, 30, .1); color: var(--color-warning); }
    .badge-danger { background: rgba(168, 67, 59, .1); color: var(--color-danger); }
    .badge-outline {
        background: transparent;
        color: var(--color-text-secondary);
        border-color: var(--color-border);
    }
    .badge-outline:hover {
        border-color: var(--color-primary);
        color: var(--color-primary);
    }

    /* ===== 导航 ===== */
    .site-header {
        position: sticky;
        top: 12px;
        z-index: 100;
        padding: 0 16px;
    }
    .header-inner {
        max-width: calc(var(--container) - 0px);
        margin: 0 auto;
        background: var(--color-surface);
        border-radius: var(--radius-lg);
        box-shadow: var(--shadow-card);
        border: 1px solid var(--color-border);
        display: flex;
        align-items: center;
        justify-content: space-between;
        padding: 0 24px;
        height: 68px;
        transition: box-shadow var(--transition);
    }
    .site-header.scrolled .header-inner {
        box-shadow: var(--shadow-hover);
    }
    .logo {
        display: flex;
        align-items: center;
        gap: 10px;
        text-decoration: none;
        flex-shrink: 0;
    }
    .logo-icon {
        width: 36px;
        height: 36px;
        display: flex;
        align-items: center;
        justify-content: center;
        background: var(--color-primary-soft);
        border-radius: var(--radius-sm);
        position: relative;
    }
    .logo-icon svg {
        width: 22px;
        height: 22px;
        fill: none;
        stroke: var(--color-accent);
        stroke-width: 2;
        stroke-linecap: round;
        stroke-linejoin: round;
    }
    .logo-text {
        font-size: 18px;
        font-weight: 800;
        color: var(--color-text);
        letter-spacing: .01em;
        line-height: 1.2;
    }
    .logo-sub {
        font-size: 12px;
        color: var(--color-muted);
        background: var(--color-bg);
        padding: 2px 8px;
        border-radius: var(--radius-full);
        font-weight: 500;
        letter-spacing: .03em;
    }
    .main-nav {
        display: flex;
        align-items: center;
        gap: 8px;
        margin: 0 16px;
        flex: 1;
        justify-content: center;
    }
    .nav-item {
        display: inline-flex;
        align-items: center;
        gap: 6px;
        padding: 8px 18px;
        border-radius: var(--radius-sm);
        font-size: 14px;
        font-weight: 500;
        color: var(--color-text-secondary);
        background: transparent;
        transition: all var(--transition);
        text-decoration: none;
        position: relative;
    }
    .nav-item:hover {
        background: var(--color-primary-soft);
        color: var(--color-primary);
    }
    .nav-item.active {
        background: var(--color-primary);
        color: #fff;
        font-weight: 600;
    }
    .nav-item.active::after {
        content: '';
        position: absolute;
        bottom: 2px;
        left: 50%;
        transform: translateX(-50%);
        width: 4px;
        height: 4px;
        border-radius: 50%;
        background: var(--color-accent);
        opacity: .9;
    }
    .nav-item.active:hover {
        background: var(--color-primary);
        color: #fff;
    }
    .header-actions {
        display: flex;
        align-items: center;
        gap: 12px;
        flex-shrink: 0;
    }
    .header-actions .btn { padding: 9px 22px; font-size: 14px; }
    .menu-toggle {
        display: none;
        width: 40px;
        height: 40px;
        border-radius: var(--radius-sm);
        background: var(--color-primary-soft);
        flex-direction: column;
        align-items: center;
        justify-content: center;
        gap: 4px;
        transition: background var(--transition);
    }
    .menu-toggle:hover { background: var(--color-primary); }
    .menu-toggle span {
        display: block;
        width: 18px;
        height: 2px;
        background: var(--color-primary);
        border-radius: 2px;
        transition: all .3s ease;
    }
    .menu-toggle:hover span { background: #fff; }
    .menu-toggle.open span:nth-child(1) { transform: translateY(6px) rotate(45deg); background: #fff; }
    .menu-toggle.open span:nth-child(2) { opacity: 0; }
    .menu-toggle.open span:nth-child(3) { transform: translateY(-6px) rotate(-45deg); background: #fff; }

    /* ===== Hero ===== */
    .hero {
        position: relative;
        padding: 72px 0 80px;
        overflow: hidden;
    }
    .hero-bg {
        position: absolute;
        inset: 0;
        background: linear-gradient(90deg, rgba(247, 249, 251, .96) 0%, rgba(247, 249, 251, .85) 45%, rgba(247, 249, 251, .5) 100%),
                    url('/assets/images/backpic/back-1.png') center center / cover no-repeat;
        z-index: 0;
    }
    .hero-bg::after {
        content: '';
        position: absolute;
        inset: 0;
        background: radial-gradient(ellipse at 80% 20%, rgba(44, 95, 138, .1) 0%, transparent 60%),
                    linear-gradient(180deg, transparent, var(--color-bg));
        pointer-events: none;
    }
    .hero-inner {
        position: relative;
        z-index: 1;
        max-width: var(--container);
        margin: 0 auto;
        padding: 0 24px;
        display: grid;
        grid-template-columns: 1.05fr .95fr;
        gap: 48px;
        align-items: center;
    }
    .hero-content { max-width: 580px; }
    .hero-eyebrow {
        display: inline-flex;
        align-items: center;
        gap: 8px;
        background: var(--color-accent-soft);
        border: 1px solid rgba(201, 160, 99, .25);
        color: var(--color-accent);
        padding: 6px 18px;
        border-radius: var(--radius-full);
        font-size: 13px;
        font-weight: 600;
        letter-spacing: .04em;
        margin-bottom: 24px;
    }
    .hero-eyebrow .dot {
        width: 6px;
        height: 6px;
        background: var(--color-accent);
        border-radius: 50%;
    }
    .hero h1 {
        font-size: var(--font-h1);
        line-height: 1.25;
        font-weight: 800;
        margin-bottom: 20px;
        letter-spacing: .01em;
        color: var(--color-text);
    }
    .hero h1 .accent {
        color: var(--color-primary);
        position: relative;
    }
    .hero h1 .accent::after {
        content: '';
        position: absolute;
        bottom: -2px;
        left: 0;
        width: 100%;
        height: 3px;
        background: var(--color-accent);
        border-radius: 2px;
        opacity: .5;
    }
    .hero-subtitle {
        font-size: 17px;
        line-height: 1.7;
        color: var(--color-text-secondary);
        margin-bottom: 32px;
        max-width: 480px;
    }
    .hero-cta {
        display: flex;
        gap: 14px;
        flex-wrap: wrap;
        margin-bottom: 28px;
    }
    .hero-trust {
        display: flex;
        align-items: center;
        gap: 20px;
        flex-wrap: wrap;
    }
    .trust-item {
        display: flex;
        align-items: center;
        gap: 6px;
        font-size: 13px;
        color: var(--color-muted);
    }
    .trust-item i {
        width: 16px;
        height: 16px;
        display: inline-flex;
        align-items: center;
        justify-content: center;
        color: var(--color-success);
    }
    .hero-visual {
        position: relative;
        display: flex;
        flex-direction: column;
        gap: 16px;
    }
    .hero-card-main {
        background: var(--color-surface);
        border-radius: var(--radius-lg);
        overflow: hidden;
        box-shadow: var(--shadow-card);
        border: 1px solid var(--color-border);
        position: relative;
    }
    .hero-card-main img {
        width: 100%;
        height: 360px;
        object-fit: cover;
    }
    .hero-card-main .cover-caption {
        position: absolute;
        bottom: 16px;
        left: 16px;
        right: 16px;
        background: linear-gradient(180deg, transparent, rgba(31, 42, 54, .72));
        padding: 40px 20px 16px;
        color: #fff;
        font-size: 15px;
        font-weight: 600;
        border-radius: 0 0 var(--radius-lg) var(--radius-lg);
    }
    .hero-badges {
        display: grid;
        grid-template-columns: repeat(3, 1fr);
        gap: 12px;
    }
    .hero-badge-card {
        background: var(--color-surface);
        border-radius: var(--radius-md);
        padding: 16px 12px;
        text-align: center;
        box-shadow: var(--shadow-sm);
        border: 1px solid var(--color-border);
        transition: transform var(--transition), box-shadow var(--transition);
    }
    .hero-badge-card:hover {
        transform: translateY(-2px);
        box-shadow: var(--shadow-card);
    }
    .hero-badge-card .icon {
        width: 32px;
        height: 32px;
        margin: 0 auto 8px;
        display: flex;
        align-items: center;
        justify-content: center;
        background: var(--color-primary-soft);
        border-radius: var(--radius-sm);
        color: var(--color-primary);
        font-size: 16px;
        font-weight: 700;
    }
    .hero-badge-card .label {
        font-size: 13px;
        font-weight: 600;
        color: var(--color-text);
    }
    .hero-badge-card .desc {
        font-size: 11px;
        color: var(--color-muted);
        line-height: 1.4;
        margin-top: 2px;
    }

    /* ===== 品牌理念区 ===== */
    .brand-philosophy {
        padding: 80px 0 96px;
        background: var(--color-surface);
        border-top: 1px solid var(--color-border);
        border-bottom: 1px solid var(--color-border);
    }
    .philosophy-inner {
        max-width: 800px;
        margin: 0 auto;
        text-align: center;
        padding: 0 24px;
    }
    .philosophy-inner .quote-mark {
        font-size: 56px;
        line-height: 1;
        color: var(--color-accent);
        font-family: Georgia, serif;
        display: block;
        margin-bottom: 12px;
        opacity: .7;
    }
    .philosophy-inner .quote-text {
        font-size: 26px;
        font-weight: 600;
        line-height: 1.5;
        color: var(--color-text);
        letter-spacing: .01em;
        margin-bottom: 20px;
    }
    .philosophy-inner .quote-sub {
        font-size: 15px;
        color: var(--color-muted);
        line-height: 1.7;
    }

    /* ===== 精选内容卡 ===== */
    .featured-section { padding: 96px 0; }
    .featured-grid {
        display: grid;
        grid-template-columns: repeat(3, 1fr);
        gap: 28px;
        margin-top: 8px;
    }
    .featured-card {
        background: var(--color-surface);
        border-radius: var(--radius-md);
        overflow: hidden;
        border: 1px solid var(--color-border);
        box-shadow: var(--shadow-card);
        transition: all var(--transition);
        display: flex;
        flex-direction: column;
    }
    .featured-card:hover {
        transform: translateY(-4px);
        box-shadow: var(--shadow-hover);
        border-color: var(--color-primary-soft);
    }
    .featured-card:active { transform: scale(.99); }
    .featured-card-media {
        position: relative;
        aspect-ratio: 16 / 9;
        overflow: hidden;
        background: var(--color-primary-soft);
    }
    .featured-card-media img {
        width: 100%;
        height: 100%;
        object-fit: cover;
        transition: transform .4s ease;
    }
    .featured-card:hover .featured-card-media img {
        transform: scale(1.03);
    }
    .featured-card-media .badge {
        position: absolute;
        top: 14px;
        left: 14px;
        background: rgba(255, 255, 255, .92);
        color: var(--color-primary);
        backdrop-filter: blur(4px);
        box-shadow: var(--shadow-sm);
    }
    .featured-card-body {
        padding: 24px;
        flex: 1;
        display: flex;
        flex-direction: column;
    }
    .featured-card-body h3 {
        font-size: 18px;
        margin-bottom: 10px;
        line-height: 1.4;
    }
    .featured-card-body h3 a {
        color: var(--color-text);
        text-decoration: none;
        transition: color var(--transition);
    }
    .featured-card-body h3 a:hover { color: var(--color-primary); }
    .featured-card-body p {
        font-size: 14px;
        color: var(--color-text-secondary);
        line-height: 1.65;
        margin-bottom: 18px;
        flex: 1;
        display: -webkit-box;
        -webkit-line-clamp: 2;
        -webkit-box-orient: vertical;
        overflow: hidden;
    }
    .featured-card-link {
        font-size: 14px;
        font-weight: 600;
        color: var(--color-primary);
        display: inline-flex;
        align-items: center;
        gap: 4px;
        transition: gap var(--transition);
    }
    .featured-card-link:hover {
        color: var(--color-primary-dark);
        gap: 8px;
    }

    /* ===== 平台优势区 ===== */
    .platform-advantage {
        padding: 96px 0;
        background: var(--color-surface);
        border-top: 1px solid var(--color-border);
    }
    .advantage-grid {
        display: grid;
        grid-template-columns: 5fr 7fr;
        gap: 56px;
        align-items: start;
    }
    .advantage-copy { position: sticky; top: 100px; }
    .advantage-copy h2 {
        font-size: 30px;
        line-height: 1.3;
        margin-bottom: 20px;
        letter-spacing: .01em;
    }
    .advantage-copy p {
        font-size: 15px;
        color: var(--color-text-secondary);
        line-height: 1.75;
        margin-bottom: 24px;
    }
    .advantage-copy .btn { margin-top: 8px; }
    .advantage-list { display: flex; flex-direction: column; }
    .advantage-item {
        display: flex;
        gap: 20px;
        padding: 28px 0;
        border-bottom: 1px dashed var(--color-border);
        transition: background var(--transition);
    }
    .advantage-item:first-child { padding-top: 0; }
    .advantage-item:last-child { border-bottom: none; padding-bottom: 0; }
    .advantage-item:hover { background: rgba(230, 237, 243, .3); }
    .advantage-icon {
        width: 48px;
        height: 48px;
        flex-shrink: 0;
        display: flex;
        align-items: center;
        justify-content: center;
        background: var(--color-primary-soft);
        border-radius: var(--radius-sm);
        color: var(--color-primary);
        font-size: 20px;
        font-weight: 600;
        transition: background var(--transition), color var(--transition);
    }
    .advantage-item:hover .advantage-icon {
        background: var(--color-primary);
        color: #fff;
    }
    .advantage-item-text h3 {
        font-size: 17px;
        font-weight: 600;
        margin-bottom: 6px;
    }
    .advantage-item-text p {
        font-size: 14px;
        color: var(--color-text-secondary);
        line-height: 1.6;
        max-width: 420px;
    }

    /* ===== 资讯列表区 ===== */
    .news-section { padding: 96px 0; }
    .news-header {
        display: flex;
        align-items: flex-end;
        justify-content: space-between;
        margin-bottom: 40px;
    }
    .news-header h2 {
        font-size: var(--font-h2);
        margin-bottom: 4px;
    }
    .news-header .subtitle {
        font-size: 14px;
        color: var(--color-muted);
    }
    .news-header .view-all {
        font-size: 14px;
        font-weight: 600;
        color: var(--color-primary);
        display: inline-flex;
        align-items: center;
        gap: 4px;
        transition: gap var(--transition);
    }
    .news-header .view-all:hover { gap: 8px; }
    .news-list {
        display: flex;
        flex-direction: column;
        gap: 16px;
    }
    .news-row {
        display: flex;
        align-items: center;
        gap: 20px;
        background: var(--color-surface);
        border: 1px solid var(--color-border);
        border-radius: var(--radius-md);
        padding: 16px 20px;
        box-shadow: var(--shadow-sm);
        transition: all var(--transition);
    }
    .news-row:hover {
        box-shadow: var(--shadow-card);
        transform: translateX(4px);
        border-color: var(--color-primary-soft);
    }
    .news-thumb {
        width: 64px;
        height: 64px;
        flex-shrink: 0;
        border-radius: var(--radius-sm);
        overflow: hidden;
        background: var(--color-primary-soft);
    }
    .news-thumb img {
        width: 100%;
        height: 100%;
        object-fit: cover;
    }
    .news-content {
        flex: 1;
        min-width: 0;
    }
    .news-content h4 {
        font-size: 16px;
        font-weight: 600;
        margin-bottom: 4px;
        white-space: nowrap;
        overflow: hidden;
        text-overflow: ellipsis;
    }
    .news-content h4 a {
        color: var(--color-text);
        text-decoration: none;
        transition: color var(--transition);
    }
    .news-content h4 a:hover { color: var(--color-primary); }
    .news-content p {
        font-size: 13px;
        color: var(--color-muted);
        white-space: nowrap;
        overflow: hidden;
        text-overflow: ellipsis;
    }
    .news-meta {
        display: flex;
        align-items: center;
        gap: 12px;
        flex-shrink: 0;
    }
    .news-meta time {
        font-size: 13px;
        color: var(--color-muted);
        font-feature-settings: 'tnum';
        font-family: 'Inter', 'Roboto', 'DIN', 'Helvetica Neue', sans-serif;
    }
    .empty-state {
        display: flex;
        flex-direction: column;
        align-items: center;
        justify-content: center;
        padding: 60px 24px;
        border: 2px dashed var(--color-border);
        border-radius: var(--radius-md);
        color: var(--color-muted);
        text-align: center;
        background: var(--color-surface);
    }
    .empty-state .empty-icon {
        font-size: 48px;
        margin-bottom: 12px;
        opacity: .4;
    }
    .empty-state p { font-size: 15px; }

    /* ===== 信任背书区 ===== */
    .trust-section {
        padding: 96px 0;
        background: var(--color-primary-soft);
    }
    .trust-grid {
        display: grid;
        grid-template-columns: repeat(4, 1fr);
        gap: 32px;
        margin-bottom: 48px;
    }
    .trust-stat {
        text-align: center;
        padding: 24px 16px;
    }
    .trust-stat .number {
        font-size: 44px;
        font-weight: 800;
        color: var(--color-primary);
        line-height: 1.1;
        font-feature-settings: 'tnum';
        font-family: 'Inter', 'Roboto', 'DIN', 'Helvetica Neue', sans-serif;
        position: relative;
        display: inline-block;
    }
    .trust-stat .number::after {
        content: '';
        position: absolute;
        bottom: -4px;
        left: 10%;
        width: 80%;
        height: 3px;
        background: var(--color-accent);
        border-radius: 2px;
        opacity: .5;
    }
    .trust-stat .label {
        font-size: 14px;
        color: var(--color-text-secondary);
        margin-top: 16px;
    }
    .trust-quote {
        max-width: 700px;
        margin: 0 auto;
        background: var(--color-surface);
        padding: 28px 36px;
        border-radius: var(--radius-md);
        border-left: 4px solid var(--color-accent);
        box-shadow: var(--shadow-sm);
        text-align: center;
    }
    .trust-quote p {
        font-size: 17px;
        font-style: italic;
        color: var(--color-text-secondary);
        line-height: 1.7;
    }
    .trust-quote .author {
        font-size: 13px;
        color: var(--color-muted);
        margin-top: 12px;
        font-style: normal;
        font-weight: 500;
    }

    /* ===== 订阅 CTA ===== */
    .cta-section {
        background: var(--color-primary-dark);
        padding: 80px 0;
        position: relative;
        overflow: hidden;
    }
    .cta-section::before {
        content: '';
        position: absolute;
        top: 0;
        left: 0;
        right: 0;
        bottom: 0;
        background: radial-gradient(ellipse at 90% 10%, rgba(201, 160, 99, .12) 0%, transparent 50%),
                    radial-gradient(ellipse at 10% 90%, rgba(44, 95, 138, .2) 0%, transparent 50%);
        pointer-events: none;
    }
    .cta-inner {
        position: relative;
        z-index: 1;
        max-width: 720px;
        margin: 0 auto;
        text-align: center;
        padding: 0 24px;
    }
    .cta-inner h2 {
        font-size: 28px;
        color: #fff;
        margin-bottom: 14px;
        letter-spacing: .01em;
    }
    .cta-inner > p {
        color: rgba(255, 255, 255, .75);
        font-size: 15px;
        margin-bottom: 32px;
        line-height: 1.7;
    }
    .cta-form {
        display: flex;
        gap: 12px;
        max-width: 520px;
        margin: 0 auto;
    }
    .cta-form input[type="email"] {
        flex: 1;
        padding: 14px 20px;
        border-radius: var(--radius-sm);
        border: 1px solid rgba(255, 255, 255, .2);
        background: rgba(255, 255, 255, .12);
        color: #fff;
        font-size: 15px;
        outline: none;
        transition: all var(--transition);
        min-width: 0;
    }
    .cta-form input[type="email"]::placeholder { color: rgba(255, 255, 255, .5); }
    .cta-form input[type="email"]:focus {
        background: rgba(255, 255, 255, .18);
        border-color: var(--color-accent);
        box-shadow: 0 0 0 3px rgba(201, 160, 99, .2);
    }
    .cta-form .btn {
        background: var(--color-accent);
        color: var(--color-primary-dark);
        border-color: var(--color-accent);
        font-weight: 700;
        white-space: nowrap;
    }
    .cta-form .btn:hover {
        background: var(--color-accent-soft);
        border-color: var(--color-accent-soft);
    }
    .cta-note {
        font-size: 12px;
        color: rgba(255, 255, 255, .45);
        margin-top: 16px;
    }

    /* ===== FAQ ===== */
    .faq-section {
        padding: 96px 0;
        background: var(--color-bg);
    }
    .faq-list {
        max-width: 780px;
        margin: 0 auto;
        display: flex;
        flex-direction: column;
        gap: 12px;
    }
    .faq-item {
        background: var(--color-surface);
        border: 1px solid var(--color-border);
        border-radius: var(--radius-md);
        overflow: hidden;
        transition: all var(--transition);
        box-shadow: var(--shadow-sm);
    }
    .faq-item.active {
        border-color: var(--color-primary);
        box-shadow: var(--shadow-card);
    }
    .faq-question {
        width: 100%;
        display: flex;
        align-items: center;
        justify-content: space-between;
        padding: 20px 24px;
        font-size: 16px;
        font-weight: 600;
        color: var(--color-text);
        text-align: left;
        background: transparent;
        transition: color var(--transition);
    }
    .faq-question:hover { color: var(--color-primary); }
    .faq-question .faq-icon {
        width: 24px;
        height: 24px;
        flex-shrink: 0;
        display: flex;
        align-items: center;
        justify-content: center;
        border-radius: 50%;
        background: var(--color-primary-soft);
        color: var(--color-primary);
        font-size: 18px;
        font-weight: 400;
        transition: all var(--transition);
    }
    .faq-item.active .faq-icon {
        background: var(--color-primary);
        color: #fff;
        transform: rotate(45deg);
    }
    .faq-answer {
        display: none;
        padding: 0 24px 20px;
        font-size: 14px;
        color: var(--color-text-secondary);
        line-height: 1.7;
        border-top: 1px solid var(--color-border);
        padding-top: 16px;
    }
    .faq-item.active .faq-answer {
        display: block;
        animation: fadeIn .3s ease;
    }
    @keyframes fadeIn {
        from { opacity: 0; transform: translateY(-4px); }
        to { opacity: 1; transform: translateY(0); }
    }

    /* ===== 页脚 ===== */
    .site-footer {
        background: var(--color-primary-dark);
        color: rgba(255, 255, 255, .75);
        padding: 72px 0 0;
    }
    .footer-grid {
        display: grid;
        grid-template-columns: 1.2fr 1fr 1fr 1fr;
        gap: 48px;
        padding-bottom: 56px;
    }
    .footer-brand .logo-text {
        font-size: 20px;
        color: #fff;
    }
    .footer-brand .logo-sub {
        background: rgba(255, 255, 255, .1);
        color: rgba(255, 255, 255, .8);
    }
    .footer-brand p {
        font-size: 14px;
        line-height: 1.7;
        color: rgba(255, 255, 255, .6);
        margin-top: 16px;
        max-width: 260px;
    }
    .footer-social {
        display: flex;
        gap: 10px;
        margin-top: 20px;
    }
    .footer-social a {
        width: 36px;
        height: 36px;
        display: flex;
        align-items: center;
        justify-content: center;
        border-radius: var(--radius-sm);
        background: rgba(255, 255, 255, .08);
        color: rgba(255, 255, 255, .7);
        font-size: 14px;
        transition: all var(--transition);
    }
    .footer-social a:hover {
        background: var(--color-accent);
        color: var(--color-primary-dark);
        transform: translateY(-2px);
    }
    .footer-col h4 {
        color: #fff;
        font-size: 15px;
        font-weight: 600;
        margin-bottom: 18px;
        letter-spacing: .03em;
    }
    .footer-col ul li { margin-bottom: 10px; }
    .footer-col ul li a {
        color: rgba(255, 255, 255, .6);
        font-size: 14px;
        transition: color var(--transition), padding-left var(--transition);
    }
    .footer-col ul li a:hover {
        color: var(--color-accent);
        padding-left: 4px;
    }
    .footer-bottom {
        border-top: 1px solid rgba(255, 255, 255, .1);
        padding: 20px 0;
        display: flex;
        align-items: center;
        justify-content: space-between;
        flex-wrap: wrap;
        gap: 12px;
    }
    .footer-copyright {
        font-size: 13px;
        color: rgba(255, 255, 255, .5);
    }
    .footer-links {
        display: flex;
        gap: 24px;
    }
    .footer-links a {
        font-size: 13px;
        color: rgba(255, 255, 255, .5);
        transition: color var(--transition);
    }
    .footer-links a:hover { color: var(--color-accent); }
    .footer-compliance {
        font-size: 12px;
        color: rgba(255, 255, 255, .35);
        padding: 16px 0;
        border-top: 1px solid rgba(255, 255, 255, .05);
        text-align: center;
    }

    /* ===== 响应式断点 ===== */
    @media (max-width: 992px) {
        .hero-inner {
            grid-template-columns: 1fr;
            gap: 40px;
        }
        .hero-content {
            max-width: 100%;
        }
        .hero-visual { max-width: 600px; }
        .featured-grid {
            grid-template-columns: repeat(2, 1fr);
        }
        .advantage-grid {
            grid-template-columns: 1fr;
            gap: 48px;
        }
        .advantage-copy { position: static; }
        .trust-grid {
            grid-template-columns: repeat(2, 1fr);
            gap: 24px;
        }
        .footer-grid {
            grid-template-columns: repeat(2, 1fr);
            gap: 40px;
        }
    }
    @media (max-width: 768px) {
        .section { padding: 72px 0; }
        .section-header { margin-bottom: 36px; }
        .main-nav {
            display: none;
            position: absolute;
            top: calc(100% + 8px);
            left: 16px;
            right: 16px;
            background: var(--color-surface);
            border-radius: var(--radius-md);
            box-shadow: var(--shadow-hover);
            padding: 16px;
            flex-direction: column;
            gap: 8px;
            border: 1px solid var(--color-border);
        }
        .main-nav.open {
            display: flex;
        }
        .nav-item {
            width: 100%;
            justify-content: flex-start;
            padding: 12px 16px;
        }
        .menu-toggle {
            display: flex;
        }
        .hero {
            padding: 48px 0 64px;
        }
        .hero-card-main img {
            height: 260px;
        }
        .hero-badges {
            grid-template-columns: repeat(3, 1fr);
            gap: 8px;
        }
        .featured-grid {
            grid-template-columns: 1fr;
        }
        .news-row {
            flex-wrap: wrap;
            gap: 12px;
            padding: 16px;
        }
        .news-thumb {
            width: 48px;
            height: 48px;
        }
        .news-content { min-width: calc(100% - 60px); }
        .news-content p { display: none; }
        .news-meta {
            width: 100%;
            justify-content: flex-start;
            padding-left: 60px;
        }
        .cta-form {
            flex-direction: column;
        }
        .cta-form .btn { width: 100%; }
        .footer-grid {
            grid-template-columns: 1fr;
            gap: 32px;
        }
        .footer-bottom {
            flex-direction: column;
            text-align: center;
        }
        .philosophy-inner .quote-text {
            font-size: 22px;
        }
    }
    @media (max-width: 576px) {
        .container { padding: 0 16px; }
        .section { padding: 56px 0; }
        .hero h1 {
            font-size: 28px;
        }
        .hero-subtitle {
            font-size: 15px;
        }
        .hero-badges {
            grid-template-columns: 1fr;
        }
        .btn-lg { padding: 12px 28px; }
        .trust-grid {
            grid-template-columns: 1fr 1fr;
            gap: 16px;
        }
        .trust-stat .number {
            font-size: 32px;
        }
        .trust-stat .label {
            font-size: 12px;
        }
        .news-thumb {
            width: 40px;
            height: 40px;
        }
        .news-meta {
            padding-left: 0;
            flex-wrap: wrap;
            gap: 8px;
        }
        .news-meta time { font-size: 12px; }
        .news-content h4 {
            font-size: 14px;
        }
        .header-inner {
            padding: 0 16px;
            height: 60px;
        }
        .logo-text {
            font-size: 16px;
        }
        .logo-sub {
            display: none;
        }
        .header-actions .btn {
            padding: 8px 16px;
            font-size: 13px;
        }
        .faq-question {
            font-size: 15px;
            padding: 16px 18px;
        }
        .faq-answer {
            padding: 0 18px 16px;
        }
        .cta-section { padding: 64px 0; }
        .cta-inner h2 {
            font-size: 24px;
        }
    }

/* roulang page: category1 */
:root {
            --color-primary: #2C5F8A;
            --color-primary-dark: #1E405E;
            --color-primary-soft: #E6EDF3;
            --color-accent: #C9A063;
            --color-accent-soft: #F5EFE3;
            --color-bg: #F7F9FB;
            --color-surface: #FFFFFF;
            --color-text: #1F2A36;
            --color-text-secondary: #4A5B6C;
            --color-muted: #8A9AA8;
            --color-border: #D9E1E8;
            --color-success: #2E7D5B;
            --color-warning: #C7781E;
            --color-danger: #A8433B;
            --radius-card: 12px;
            --radius-btn: 8px;
            --shadow-sm: 0 1px 2px rgba(31, 42, 54, .06);
            --shadow-card: 0 4px 24px rgba(31, 42, 54, .08);
            --shadow-hover: 0 8px 32px rgba(31, 42, 54, .12);
            --font-h1: 36px;
            --font-h2: 28px;
            --font-h3: 20px;
            --font-body: 16px;
            --font-small: 14px;
        }

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

        html {
            scroll-behavior: smooth;
        }

        body {
            font-family: "Microsoft YaHei", "PingFang SC", "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
            font-size: var(--font-body);
            line-height: 1.75;
            color: var(--color-text);
            background: var(--color-bg);
            -webkit-font-smoothing: antialiased;
        }

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

        a {
            color: var(--color-primary);
            text-decoration: none;
            transition: all .2s ease;
        }

        ul,
        ol {
            list-style: none;
        }

        button,
        input {
            font-family: inherit;
            font-size: inherit;
            border: none;
            outline: none;
        }

        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 24px;
        }

        /* ===== Header ===== */
        .site-header {
            position: sticky;
            top: 12px;
            z-index: 100;
            padding: 0 16px;
        }

        .header-inner {
            background: var(--color-surface);
            border-radius: var(--radius-card);
            box-shadow: var(--shadow-card);
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 24px;
            padding: 0 24px;
            height: 68px;
            max-width: 1200px;
            margin: 0 auto;
            border: 1px solid rgba(217, 225, 232, .6);
        }

        .logo {
            display: flex;
            align-items: center;
            gap: 8px;
            flex-shrink: 0;
        }

        .logo-icon {
            width: 36px;
            height: 36px;
            background: var(--color-primary-soft);
            border-radius: 8px;
            display: flex;
            align-items: center;
            justify-content: center;
            flex-shrink: 0;
        }

        .logo-icon svg {
            width: 20px;
            height: 20px;
            stroke: var(--color-primary);
            fill: none;
            stroke-width: 2;
            stroke-linecap: round;
            stroke-linejoin: round;
        }

        .logo-text {
            font-size: 20px;
            font-weight: 800;
            color: var(--color-text);
            letter-spacing: .01em;
            line-height: 1.2;
        }

        .logo-sub {
            font-size: 11px;
            font-weight: 700;
            color: var(--color-primary);
            background: var(--color-primary-soft);
            padding: 3px 10px;
            border-radius: 999px;
            margin-left: 4px;
            line-height: 1.4;
            letter-spacing: .02em;
        }

        .main-nav {
            display: flex;
            gap: 4px;
            align-items: center;
        }

        .nav-item {
            padding: 8px 16px;
            border-radius: 8px;
            color: var(--color-text-secondary);
            font-size: 15px;
            font-weight: 600;
            transition: all .2s ease;
            line-height: 1.4;
        }

        .nav-item:hover {
            color: var(--color-primary);
            background: var(--color-primary-soft);
        }

        .nav-item.active {
            color: #fff;
            background: var(--color-primary);
            box-shadow: var(--shadow-sm);
        }

        .header-actions {
            display: flex;
            align-items: center;
            gap: 12px;
            flex-shrink: 0;
        }

        .btn-nav {
            padding: 10px 22px;
            font-size: 14px;
        }

        .nav-toggle {
            display: none;
            width: 40px;
            height: 40px;
            border-radius: 8px;
            background: var(--color-primary-soft);
            cursor: pointer;
            flex-direction: column;
            align-items: center;
            justify-content: center;
            gap: 4px;
        }

        .nav-toggle span {
            width: 18px;
            height: 2px;
            background: var(--color-primary);
            border-radius: 2px;
            transition: all .25s ease;
        }

        .nav-toggle.active span:nth-child(1) {
            transform: translateY(6px) rotate(45deg);
        }

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

        .nav-toggle.active span:nth-child(3) {
            transform: translateY(-6px) rotate(-45deg);
        }

        /* ===== Buttons ===== */
        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            padding: 12px 28px;
            border-radius: var(--radius-btn);
            font-size: 15px;
            font-weight: 600;
            cursor: pointer;
            transition: all .2s ease;
            line-height: 1.2;
            text-align: center;
            white-space: nowrap;
        }

        .btn-primary {
            background: var(--color-primary);
            color: #fff;
            box-shadow: var(--shadow-sm);
            border-bottom: 2px solid transparent;
        }

        .btn-primary:hover {
            background: var(--color-primary-dark);
            box-shadow: var(--shadow-card);
            border-bottom-color: var(--color-accent);
            color: #fff;
        }

        .btn-primary:active {
            transform: scale(.98);
        }

        .btn-outline {
            background: var(--color-surface);
            color: var(--color-primary);
            border: 1px solid var(--color-border);
        }

        .btn-outline:hover {
            border-color: var(--color-primary);
            color: var(--color-primary);
            background: var(--color-primary-soft);
        }

        .btn-outline:active {
            transform: scale(.98);
        }

        .btn-light {
            background: #fff;
            color: var(--color-primary-dark);
            border-bottom: 2px solid transparent;
        }

        .btn-light:hover {
            background: var(--color-primary-soft);
            border-bottom-color: var(--color-accent);
        }

        .btn:focus-visible,
        .nav-item:focus-visible,
        a:focus-visible {
            outline: 3px solid rgba(44, 95, 138, .35);
            outline-offset: 2px;
        }

        /* ===== Badge / Tag ===== */
        .badge {
            display: inline-flex;
            align-items: center;
            padding: 4px 12px;
            border-radius: 999px;
            font-size: 12px;
            font-weight: 700;
            background: var(--color-primary-soft);
            color: var(--color-primary);
            line-height: 1.5;
        }

        .badge-gold {
            background: var(--color-accent-soft);
            color: #9A7A3C;
        }

        .badge-white {
            background: rgba(255, 255, 255, .9);
            color: var(--color-primary-dark);
        }

        .tag {
            display: inline-flex;
            align-items: center;
            padding: 6px 16px;
            border-radius: 999px;
            background: var(--color-surface);
            border: 1px solid var(--color-border);
            color: var(--color-text-secondary);
            font-size: 13px;
            font-weight: 600;
            transition: all .2s ease;
            cursor: default;
        }

        .tag:hover {
            background: var(--color-primary);
            border-color: var(--color-primary);
            color: #fff;
        }

        /* ===== Page Hero ===== */
        .page-hero {
            position: relative;
            padding: 72px 0 60px;
            background: linear-gradient(90deg, rgba(247, 249, 251, .97) 30%, rgba(247, 249, 251, .82) 65%, rgba(230, 237, 243, .45)),
                url('/assets/images/backpic/back-1.png') center/cover no-repeat;
            border-bottom: 1px solid var(--color-border);
        }

        .page-hero .hero-content {
            max-width: 760px;
            position: relative;
            z-index: 2;
        }

        .page-breadcrumb {
            font-size: 13px;
            color: var(--color-muted);
            margin-bottom: 20px;
            letter-spacing: .02em;
        }

        .page-breadcrumb a {
            color: var(--color-muted);
            transition: color .2s;
        }

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

        .page-breadcrumb .sep {
            margin: 0 6px;
            color: var(--color-border);
        }

        .page-hero h1 {
            font-size: var(--font-h1);
            font-weight: 800;
            line-height: 1.25;
            color: var(--color-text);
            margin-bottom: 16px;
            letter-spacing: .01em;
        }

        .page-hero .page-desc {
            font-size: 16px;
            color: var(--color-text-secondary);
            line-height: 1.8;
            max-width: 640px;
        }

        .hero-meta-row {
            display: flex;
            flex-wrap: wrap;
            gap: 12px;
            margin-top: 28px;
        }

        .hero-meta-item {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: rgba(255, 255, 255, .85);
            border: 1px solid var(--color-border);
            border-radius: 999px;
            padding: 6px 14px;
            font-size: 13px;
            font-weight: 600;
            color: var(--color-text-secondary);
            box-shadow: var(--shadow-sm);
        }

        .hero-meta-item .dot {
            width: 6px;
            height: 6px;
            border-radius: 50%;
            background: var(--color-accent);
        }

        /* ===== Category Capsules ===== */
        .category-capsules {
            padding: 28px 0 8px;
            background: var(--color-bg);
        }

        .capsules-list {
            display: flex;
            flex-wrap: wrap;
            gap: 12px;
            align-items: center;
        }

        .capsule-label {
            font-size: 14px;
            font-weight: 700;
            color: var(--color-text-secondary);
            margin-right: 4px;
        }

        .capsule {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 9px 20px;
            border-radius: 999px;
            background: var(--color-surface);
            border: 1px solid var(--color-border);
            color: var(--color-text-secondary);
            font-size: 14px;
            font-weight: 600;
            transition: all .2s ease;
            line-height: 1.4;
        }

        .capsule:hover {
            background: var(--color-primary-soft);
            border-color: var(--color-primary);
            color: var(--color-primary);
        }

        .capsule.active {
            background: var(--color-primary);
            color: #fff;
            border-color: var(--color-primary);
            box-shadow: var(--shadow-sm);
        }

        /* ===== Section ===== */
        .section {
            padding: 80px 0;
        }

        .section-white {
            background: var(--color-surface);
        }

        .section-soft {
            background: var(--color-primary-soft);
        }

        .section-bg {
            background: var(--color-bg);
        }

        .section-header {
            display: flex;
            align-items: flex-end;
            justify-content: space-between;
            gap: 24px;
            margin-bottom: 40px;
            flex-wrap: wrap;
        }

        .section-title {
            font-size: var(--font-h2);
            font-weight: 700;
            color: var(--color-text);
            line-height: 1.3;
            letter-spacing: .01em;
        }

        .section-desc {
            margin-top: 8px;
            color: var(--color-text-secondary);
            font-size: 15px;
            line-height: 1.7;
            max-width: 560px;
        }

        .section-link {
            color: var(--color-primary);
            font-weight: 600;
            font-size: 14px;
            display: inline-flex;
            align-items: center;
            gap: 6px;
            white-space: nowrap;
        }

        .section-link:hover {
            gap: 10px;
        }

        /* ===== Cards ===== */
        .card {
            background: var(--color-surface);
            border-radius: var(--radius-card);
            box-shadow: var(--shadow-card);
            overflow: hidden;
            transition: transform .2s ease, box-shadow .2s ease;
            border: 1px solid rgba(217, 225, 232, .5);
            display: flex;
            flex-direction: column;
            height: 100%;
        }

        .card:hover {
            transform: translateY(-3px);
            box-shadow: var(--shadow-hover);
        }

        .card:active {
            transform: scale(.99);
        }

        .card-img {
            position: relative;
            aspect-ratio: 16/9;
            overflow: hidden;
            background: var(--color-primary-soft);
        }

        .card-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform .3s ease;
        }

        .card:hover .card-img img {
            transform: scale(1.04);
        }

        .card-img .badge {
            position: absolute;
            top: 14px;
            left: 14px;
            z-index: 2;
            box-shadow: var(--shadow-sm);
        }

        .card-body {
            padding: 24px;
            display: flex;
            flex-direction: column;
            flex: 1;
            gap: 10px;
        }

        .card-title {
            font-size: var(--font-h3);
            font-weight: 700;
            line-height: 1.4;
            color: var(--color-text);
        }

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

        .card-link {
            margin-top: 4px;
            display: inline-flex;
            align-items: center;
            gap: 4px;
            color: var(--color-primary);
            font-size: 14px;
            font-weight: 600;
            align-self: flex-start;
        }

        .card-link .arrow {
            transition: transform .2s ease;
        }

        .card:hover .card-link .arrow {
            transform: translateX(4px);
        }

        .grid-3 {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }

        .grid-4 {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 24px;
        }

        /* ===== Service Intro ===== */
        .service-intro-grid {
            display: grid;
            grid-template-columns: 5fr 7fr;
            gap: 48px;
            align-items: center;
        }

        .service-visual {
            position: relative;
            border-radius: var(--radius-card);
            overflow: hidden;
            box-shadow: var(--shadow-card);
        }

        .service-visual img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            aspect-ratio: 4/3;
        }

        .service-visual .visual-caption {
            position: absolute;
            left: 16px;
            bottom: 16px;
            right: 16px;
            background: rgba(30, 64, 94, .88);
            color: #fff;
            padding: 12px 16px;
            border-radius: 8px;
            font-size: 13px;
            line-height: 1.6;
            backdrop-filter: blur(4px);
        }

        .service-feature-list {
            display: flex;
            flex-direction: column;
            gap: 0;
        }

        .service-feature-row {
            display: flex;
            gap: 16px;
            padding: 24px 12px;
            border-bottom: 1px dashed var(--color-border);
            transition: background .2s ease;
            border-radius: 8px;
        }

        .service-feature-row:last-child {
            border-bottom: none;
        }

        .service-feature-row:hover {
            background: var(--color-primary-soft);
            padding-left: 20px;
        }

        .service-icon {
            width: 44px;
            height: 44px;
            border-radius: 10px;
            background: var(--color-primary-soft);
            display: flex;
            align-items: center;
            justify-content: center;
            flex-shrink: 0;
            color: var(--color-primary);
        }

        .service-icon svg {
            width: 22px;
            height: 22px;
            stroke: currentColor;
            fill: none;
            stroke-width: 1.8;
            stroke-linecap: round;
            stroke-linejoin: round;
        }

        .service-feature-row h3 {
            font-size: 17px;
            font-weight: 700;
            color: var(--color-text);
            margin-bottom: 4px;
        }

        .service-feature-row p {
            font-size: 14px;
            color: var(--color-text-secondary);
            line-height: 1.7;
        }

        /* ===== Process ===== */
        .process-section {
            background: var(--color-surface);
        }

        .process-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 24px;
            counter-reset: process-counter;
        }

        .process-item {
            position: relative;
            background: var(--color-bg);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-card);
            padding: 32px 24px 28px;
            transition: all .2s ease;
        }

        .process-item:hover {
            border-color: var(--color-primary);
            box-shadow: var(--shadow-card);
            transform: translateY(-2px);
        }

        .process-item .step-num {
            font-size: 32px;
            font-weight: 800;
            color: var(--color-primary-soft);
            font-feature-settings: 'tnum';
            line-height: 1;
            margin-bottom: 14px;
            display: block;
        }

        .process-item::after {
            content: '';
            position: absolute;
            top: 32px;
            left: 24px;
            width: 20px;
            height: 3px;
            border-radius: 2px;
            background: var(--color-accent);
        }

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

        .process-item p {
            font-size: 14px;
            color: var(--color-text-secondary);
            line-height: 1.7;
        }

        /* ===== Stats ===== */
        .stats-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 40px;
            text-align: center;
        }

        .stat-number {
            font-size: 40px;
            font-weight: 800;
            color: var(--color-primary);
            font-feature-settings: 'tnum';
            line-height: 1.2;
        }

        .stat-number::after {
            content: '';
            display: block;
            width: 32px;
            height: 3px;
            background: var(--color-accent);
            margin: 10px auto 14px;
            border-radius: 2px;
        }

        .stat-label {
            color: var(--color-text-secondary);
            font-size: 14px;
            font-weight: 600;
            letter-spacing: .02em;
        }

        /* ===== Tags ===== */
        .tags-panel {
            background: var(--color-surface);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-card);
            padding: 32px;
            box-shadow: var(--shadow-sm);
            display: flex;
            align-items: center;
            flex-wrap: wrap;
            gap: 12px;
        }

        .tags-panel .tags-label {
            font-size: 15px;
            font-weight: 700;
            color: var(--color-text);
            margin-right: 8px;
            display: inline-flex;
            align-items: center;
            gap: 8px;
        }

        .tags-panel .tags-label svg {
            width: 18px;
            height: 18px;
            stroke: var(--color-accent);
            fill: none;
            stroke-width: 2;
        }

        /* ===== FAQ ===== */
        .faq-list {
            max-width: 860px;
            margin: 0 auto;
            display: flex;
            flex-direction: column;
            gap: 12px;
        }

        .faq-item {
            background: var(--color-surface);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-card);
            overflow: hidden;
            transition: box-shadow .2s ease, border-color .2s ease;
        }

        .faq-item.open {
            box-shadow: var(--shadow-card);
            border-color: rgba(44, 95, 138, .3);
        }

        .faq-q {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            padding: 20px 24px;
            cursor: pointer;
            font-size: 16px;
            font-weight: 600;
            color: var(--color-text);
            background: none;
            width: 100%;
            text-align: left;
            line-height: 1.5;
            transition: color .2s ease;
        }

        .faq-q:hover {
            color: var(--color-primary);
        }

        .faq-icon {
            width: 26px;
            height: 26px;
            border-radius: 50%;
            background: var(--color-primary-soft);
            color: var(--color-primary);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 18px;
            font-weight: 700;
            flex-shrink: 0;
            transition: transform .25s ease, background .2s ease, color .2s ease;
            line-height: 1;
        }

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

        .faq-a {
            display: none;
            padding: 0 24px 22px;
            font-size: 15px;
            color: var(--color-text-secondary);
            line-height: 1.8;
            border-top: 1px dashed var(--color-border);
            padding-top: 16px;
        }

        .faq-item.open .faq-a {
            display: block;
        }

        /* ===== CTA ===== */
        .cta-section {
            padding: 80px 0;
            background: linear-gradient(135deg, #1E405E 0%, #2C5F8A 100%);
            position: relative;
            overflow: hidden;
        }

        .cta-section::before {
            content: '';
            position: absolute;
            top: -80px;
            right: -80px;
            width: 360px;
            height: 360px;
            background: url('/assets/images/backpic/back-2.png') center/cover no-repeat;
            opacity: .07;
            border-radius: 50%;
        }

        .cta-section::after {
            content: '';
            position: absolute;
            bottom: -40px;
            left: 10%;
            width: 200px;
            height: 200px;
            border: 1px solid rgba(255, 255, 255, .06);
            border-radius: 50%;
        }

        .cta-inner {
            max-width: 680px;
            margin: 0 auto;
            text-align: center;
            position: relative;
            z-index: 2;
            color: #fff;
        }

        .cta-inner h2 {
            font-size: 28px;
            font-weight: 700;
            margin-bottom: 12px;
            line-height: 1.4;
        }

        .cta-inner p {
            color: rgba(255, 255, 255, .78);
            font-size: 15px;
            line-height: 1.8;
            margin-bottom: 32px;
        }

        .cta-buttons {
            display: flex;
            gap: 16px;
            justify-content: center;
            flex-wrap: wrap;
        }

        .cta-note {
            margin-top: 24px;
            font-size: 12px;
            color: rgba(255, 255, 255, .4);
        }

        /* ===== Footer ===== */
        .site-footer {
            background: var(--color-primary-dark);
            color: rgba(255, 255, 255, .75);
            padding-top: 64px;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1fr;
            gap: 48px;
            padding-bottom: 48px;
        }

        .footer-brand .logo-text {
            color: #fff;
        }

        .footer-brand .logo-icon {
            background: rgba(255, 255, 255, .1);
        }

        .footer-brand .logo-icon svg {
            stroke: #fff;
        }

        .footer-brand .logo-sub {
            background: rgba(255, 255, 255, .1);
            color: rgba(255, 255, 255, .8);
        }

        .footer-brand p {
            margin: 16px 0 20px;
            font-size: 14px;
            line-height: 1.8;
            color: rgba(255, 255, 255, .55);
            max-width: 360px;
        }

        .footer-social {
            display: flex;
            gap: 12px;
        }

        .footer-social a {
            width: 36px;
            height: 36px;
            border-radius: 8px;
            background: rgba(255, 255, 255, .08);
            display: flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            transition: all .2s ease;
        }

        .footer-social a:hover {
            background: rgba(255, 255, 255, .16);
            transform: translateY(-2px);
        }

        .footer-col h4 {
            color: #fff;
            font-size: 15px;
            font-weight: 700;
            margin-bottom: 18px;
        }

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

        .footer-col a {
            color: rgba(255, 255, 255, .6);
            font-size: 14px;
            transition: color .2s ease;
        }

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

        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, .1);
            padding: 24px 0;
            display: flex;
            justify-content: space-between;
            align-items: center;
            gap: 16px;
            flex-wrap: wrap;
            font-size: 13px;
            color: rgba(255, 255, 255, .4);
        }

        .footer-compliance {
            text-align: center;
            font-size: 12px;
            color: rgba(255, 255, 255, .32);
            padding: 0 0 20px;
        }

        .footer-links {
            display: flex;
            gap: 24px;
        }

        .footer-links a {
            color: rgba(255, 255, 255, .4);
            font-size: 13px;
            transition: color .2s;
        }

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

        /* ===== Responsive ===== */
        @media (max-width: 992px) {
            :root {
                --font-h1: 32px;
                --font-h2: 24px;
            }

            .grid-3 {
                grid-template-columns: repeat(2, 1fr);
            }

            .grid-4 {
                grid-template-columns: repeat(2, 1fr);
            }

            .service-intro-grid {
                grid-template-columns: 1fr;
                gap: 32px;
            }

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

            .stats-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 32px;
            }

            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 40px;
            }

            .main-nav {
                display: none;
                position: absolute;
                top: 100%;
                left: 16px;
                right: 16px;
                background: var(--color-surface);
                border-radius: var(--radius-card);
                box-shadow: var(--shadow-hover);
                padding: 16px;
                flex-direction: column;
                gap: 4px;
                margin-top: 8px;
                border: 1px solid var(--color-border);
            }

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

            .nav-item {
                width: 100%;
                text-align: left;
                padding: 12px 16px;
            }

            .nav-toggle {
                display: flex;
            }

            .header-actions .btn-nav {
                display: none;
            }
        }

        @media (max-width: 768px) {
            :root {
                --font-h1: 28px;
                --font-h2: 22px;
                --font-h3: 18px;
            }

            .section {
                padding: 56px 0;
            }

            .page-hero {
                padding: 48px 0;
            }

            .grid-3,
            .grid-4,
            .process-grid {
                grid-template-columns: 1fr;
            }

            .stats-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 24px;
            }

            .service-intro-grid {
                gap: 24px;
            }

            .tags-panel {
                padding: 24px;
            }

            .cta-inner h2 {
                font-size: 24px;
            }

            .footer-grid {
                grid-template-columns: 1fr;
                gap: 32px;
            }

            .footer-bottom {
                flex-direction: column;
                text-align: center;
            }

            .footer-links {
                justify-content: center;
            }
        }

        @media (max-width: 576px) {
            .container {
                padding: 0 16px;
            }

            .section {
                padding: 48px 0;
            }

            .page-hero h1 {
                font-size: 26px;
            }

            .page-hero .page-desc {
                font-size: 15px;
            }

            .card-body {
                padding: 20px;
            }

            .stats-grid {
                grid-template-columns: 1fr 1fr;
                gap: 20px;
            }

            .stat-number {
                font-size: 32px;
            }

            .capsules-list {
                gap: 8px;
            }

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

            .btn {
                padding: 11px 20px;
                font-size: 14px;
                width: 100%;
            }

            .cta-buttons {
                flex-direction: column;
                gap: 12px;
            }

            .process-item {
                padding: 24px 20px;
            }

            .service-feature-row {
                padding: 20px 8px;
            }

            .service-feature-row:hover {
                padding-left: 12px;
            }

            .faq-q {
                padding: 16px 18px;
                font-size: 15px;
            }

            .faq-a {
                padding: 0 18px 18px;
            }
        }

/* roulang page: article */
:root {
    --color-primary: #2C5F8A;
    --color-primary-dark: #1E405E;
    --color-primary-soft: #E6EDF3;
    --color-accent: #C9A063;
    --color-accent-soft: #F5EFE3;
    --color-bg: #F7F9FB;
    --color-surface: #FFFFFF;
    --color-text: #1F2A36;
    --color-text-secondary: #4A5B6C;
    --color-muted: #8A9AA8;
    --color-border: #D9E1E8;
    --color-success: #2E7D5B;
    --color-warning: #C7781E;
    --color-danger: #A8433B;
    --shadow-sm: 0 1px 2px rgba(31,42,54,.06);
    --shadow-card: 0 4px 24px rgba(31,42,54,.08);
    --shadow-hover: 0 8px 32px rgba(31,42,54,.12);
    --radius-card: 12px;
    --radius-btn: 8px;
    --radius-tag: 999px;
    --font-h1: 32px;
    --font-h2: 24px;
    --font-body: 16px;
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: "PingFang SC", "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;
    font-size: var(--font-body);
    line-height: 1.7;
    color: var(--color-text);
    background: var(--color-bg);
    -webkit-font-smoothing: antialiased;
}

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

a {
    color: var(--color-primary);
    text-decoration: none;
    transition: color .2s ease;
}

a:hover {
    color: var(--color-primary-dark);
}

ul,
ol {
    list-style: none;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
}

/* ========== 按钮 ========== */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 12px 28px;
    border-radius: var(--radius-btn);
    font-size: 15px;
    font-weight: 600;
    border: 1px solid transparent;
    cursor: pointer;
    transition: all .2s ease;
    text-decoration: none;
    line-height: 1.4;
    white-space: nowrap;
}

.btn-primary {
    background: var(--color-primary);
    color: #fff;
}

.btn-primary:hover {
    background: var(--color-primary-dark);
    color: #fff;
    box-shadow: 0 4px 14px rgba(44, 95, 138, .25);
    transform: translateY(-1px);
}

.btn-outline {
    background: var(--color-surface);
    border-color: var(--color-border);
    color: var(--color-text);
}

.btn-outline:hover {
    border-color: var(--color-primary);
    color: var(--color-primary);
}

.btn-sm {
    padding: 8px 20px;
    font-size: 14px;
}

.btn-block {
    width: 100%;
}

.btn:active {
    transform: scale(.98);
}

/* ========== Header / 导航 ========== */
.site-header {
    position: sticky;
    top: 12px;
    z-index: 100;
    padding-top: 12px;
}

.header-inner {
    position: relative;
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-card);
    box-shadow: var(--shadow-card);
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 72px;
    padding: 0 16px 0 24px;
}

.logo {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    text-decoration: none;
    flex-shrink: 0;
}

.logo-icon {
    width: 38px;
    height: 38px;
    background: var(--color-primary-soft);
    border-radius: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.logo-icon svg {
    width: 22px;
    height: 22px;
    fill: none;
    stroke: var(--color-primary);
    stroke-width: 2;
    stroke-linecap: round;
    stroke-linejoin: round;
}

.logo-text {
    font-size: 20px;
    font-weight: 800;
    color: var(--color-text);
    letter-spacing: .01em;
    line-height: 1.2;
}

.logo-sub {
    font-size: 12px;
    font-weight: 600;
    color: var(--color-primary);
    background: var(--color-primary-soft);
    padding: 3px 10px;
    border-radius: var(--radius-tag);
    line-height: 1.4;
}

.main-nav {
    display: flex;
    align-items: center;
    gap: 8px;
}

.nav-item {
    display: inline-flex;
    align-items: center;
    padding: 8px 16px;
    border-radius: var(--radius-btn);
    background: var(--color-primary-soft);
    color: var(--color-text);
    text-decoration: none;
    font-size: 15px;
    font-weight: 600;
    transition: all .2s ease;
    line-height: 1.4;
    white-space: nowrap;
}

.nav-item:hover {
    background: var(--color-surface);
    box-shadow: var(--shadow-sm);
    color: var(--color-primary);
    transform: translateY(-1px);
}

.nav-item.active {
    background: var(--color-primary-dark);
    color: #fff;
    box-shadow: 0 4px 12px rgba(30, 64, 94, .25);
}

.header-actions {
    display: flex;
    align-items: center;
    gap: 12px;
    flex-shrink: 0;
}

.nav-toggle {
    display: none;
    flex-direction: column;
    justify-content: center;
    gap: 5px;
    width: 40px;
    height: 40px;
    background: var(--color-primary-soft);
    border: none;
    border-radius: 8px;
    cursor: pointer;
    padding: 10px;
    transition: background .2s;
}

.nav-toggle:hover {
    background: var(--color-primary);
}

.nav-toggle span {
    display: block;
    height: 2px;
    background: var(--color-primary);
    border-radius: 2px;
    transition: all .3s ease;
}

.nav-toggle:hover span {
    background: #fff;
}

.nav-toggle.open span:nth-child(1) {
    transform: rotate(45deg) translate(5px, 5px);
}

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

.nav-toggle.open span:nth-child(3) {
    transform: rotate(-45deg) translate(5px, -5px);
}

/* ========== 文章页主体 ========== */
.main-content {
    padding: 32px 0 0;
}

.article-layout {
    display: grid;
    grid-template-columns: minmax(0, 1fr) 360px;
    gap: 40px;
    padding: 24px 0 64px;
    align-items: start;
}

/* 左侧文章 */
.article-main {
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-card);
    box-shadow: var(--shadow-card);
    padding: 48px;
    min-width: 0;
}

.breadcrumb {
    display: flex;
    align-items: center;
    flex-wrap: wrap;
    gap: 4px;
    font-size: 14px;
    color: var(--color-muted);
    background: var(--color-primary-soft);
    padding: 10px 16px;
    border-radius: 8px;
    margin-bottom: 24px;
}

.breadcrumb a {
    color: var(--color-primary);
    text-decoration: none;
    font-weight: 500;
}

.breadcrumb a:hover {
    text-decoration: underline;
}

.breadcrumb .sep {
    margin: 0 4px;
    color: var(--color-muted);
    font-size: 12px;
}

.breadcrumb .current {
    color: var(--color-text-secondary);
    max-width: 320px;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.article-title {
    font-size: var(--font-h1);
    line-height: 1.3;
    font-weight: 800;
    color: var(--color-text);
    margin: 12px 0 20px;
    letter-spacing: .01em;
}

.article-meta {
    display: flex;
    align-items: center;
    flex-wrap: wrap;
    gap: 16px;
    padding-bottom: 24px;
    border-bottom: 1px solid var(--color-border);
    margin-bottom: 32px;
    color: var(--color-muted);
    font-size: 14px;
}

.article-meta i {
    margin-right: 6px;
    color: var(--color-muted);
}

.meta-source {
    display: inline-flex;
    align-items: center;
    font-weight: 500;
    color: var(--color-text-secondary);
}

.meta-date {
    display: inline-flex;
    align-items: center;
}

.meta-category {
    display: inline-flex;
    align-items: center;
    background: var(--color-accent-soft);
    color: var(--color-accent);
    padding: 4px 14px;
    border-radius: var(--radius-tag);
    font-weight: 600;
    font-size: 13px;
}

.meta-category i {
    color: var(--color-accent);
}

.article-content {
    font-size: var(--font-body);
    line-height: 1.8;
    color: var(--color-text);
}

.article-content h2 {
    font-size: 24px;
    font-weight: 700;
    color: var(--color-text);
    margin: 36px 0 16px;
    padding-left: 14px;
    border-left: 4px solid var(--color-primary);
    line-height: 1.4;
}

.article-content h3 {
    font-size: 20px;
    font-weight: 700;
    color: var(--color-text);
    margin: 28px 0 12px;
}

.article-content p {
    font-size: 16px;
    line-height: 1.8;
    color: var(--color-text);
    margin-bottom: 20px;
}

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

.article-content ul li,
.article-content ol li {
    margin-bottom: 8px;
    line-height: 1.7;
    padding-left: 6px;
}

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

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

.article-content blockquote {
    border-left: 4px solid var(--color-accent);
    background: var(--color-accent-soft);
    padding: 16px 20px;
    border-radius: 8px;
    font-size: 15px;
    color: var(--color-text-secondary);
    margin: 24px 0;
}

.article-content blockquote p {
    margin-bottom: 8px;
    color: var(--color-text-secondary);
}

.article-content blockquote p:last-child {
    margin-bottom: 0;
}

.article-content img {
    max-width: 100%;
    height: auto;
    border-radius: 8px;
    margin: 24px 0;
}

.article-content figcaption {
    text-align: center;
    font-size: 13px;
    color: var(--color-muted);
    margin-top: -16px;
    margin-bottom: 24px;
}

.article-content table {
    width: 100%;
    border-collapse: collapse;
    margin: 24px 0;
    font-size: 14px;
    border: 1px solid var(--color-border);
    border-radius: 8px;
    overflow: hidden;
}

.article-content th {
    background: var(--color-primary-soft);
    color: var(--color-primary);
    font-weight: 600;
    padding: 12px 16px;
    text-align: left;
}

.article-content td {
    border-bottom: 1px solid var(--color-border);
    padding: 12px 16px;
    border-right: 1px solid var(--color-border);
}

.article-content td:last-child {
    border-right: none;
}

.article-content tr:last-child td {
    border-bottom: none;
}

.article-content tr:hover td {
    background: rgba(230, 237, 243, .4);
}

.article-content a {
    color: var(--color-primary);
    text-decoration: underline;
    text-underline-offset: 3px;
}

.article-content a:hover {
    color: var(--color-primary-dark);
}

/* 文章标签 */
.article-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    margin-top: 32px;
    padding-top: 24px;
    border-top: 1px solid var(--color-border);
}

.tag {
    display: inline-flex;
    align-items: center;
    padding: 6px 14px;
    background: var(--color-primary-soft);
    color: var(--color-primary);
    border-radius: var(--radius-tag);
    font-size: 13px;
    font-weight: 600;
    transition: all .2s ease;
    cursor: default;
}

.tag:hover {
    background: var(--color-primary);
    color: #fff;
}

/* 上一篇 / 下一篇 */
.pager {
    display: flex;
    justify-content: space-between;
    gap: 16px;
    margin-top: 40px;
    padding-top: 24px;
    border-top: 1px solid var(--color-border);
}

.pager-link {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    color: var(--color-text-secondary);
    text-decoration: none;
    font-size: 14px;
    font-weight: 600;
    padding: 10px 18px;
    border: 1px solid var(--color-border);
    border-radius: var(--radius-btn);
    transition: all .2s ease;
    background: var(--color-surface);
    max-width: 48%;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.pager-link:hover {
    color: var(--color-primary);
    border-color: var(--color-primary);
    box-shadow: var(--shadow-sm);
}

/* 相关推荐 */
.related-section {
    margin-top: 48px;
}

.section-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 24px;
}

.section-header h2 {
    font-size: 22px;
    font-weight: 700;
    color: var(--color-text);
    position: relative;
    padding-bottom: 10px;
}

.section-header h2::after {
    content: '';
    position: absolute;
    left: 0;
    bottom: 0;
    width: 36px;
    height: 3px;
    background: var(--color-accent);
    border-radius: 2px;
}

.related-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 20px;
}

.related-card {
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-card);
    overflow: hidden;
    box-shadow: var(--shadow-sm);
    transition: all .3s ease;
    text-decoration: none;
    display: block;
}

.related-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-hover);
    border-color: var(--color-primary-soft);
}

.related-thumb {
    aspect-ratio: 16 / 9;
    overflow: hidden;
    background: var(--color-primary-soft);
}

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

.related-card:hover .related-thumb img {
    transform: scale(1.05);
}

.related-body {
    padding: 16px 16px 18px;
}

.related-body h3 {
    font-size: 15px;
    line-height: 1.5;
    color: var(--color-text);
    margin-bottom: 8px;
    font-weight: 700;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
    min-height: 45px;
}

.read-more {
    font-size: 13px;
    color: var(--color-primary);
    display: inline-flex;
    align-items: center;
    gap: 6px;
    font-weight: 600;
}

.read-more i {
    transition: transform .2s ease;
}

.related-card:hover .read-more i {
    transform: translateX(4px);
}

/* 空态 */
.empty-state {
    text-align: center;
    padding: 80px 24px;
    background: var(--color-bg);
    border: 2px dashed var(--color-border);
    border-radius: var(--radius-card);
}

.empty-state i {
    font-size: 48px;
    color: var(--color-muted);
    margin-bottom: 16px;
}

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

.empty-state p {
    color: var(--color-muted);
    margin-bottom: 24px;
}

/* ========== 侧边栏 ========== */
.article-sidebar {
    display: flex;
    flex-direction: column;
    gap: 24px;
    min-width: 0;
}

.sidebar-card {
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-card);
    box-shadow: var(--shadow-sm);
    padding: 24px;
}

.sidebar-card h3 {
    font-size: 17px;
    font-weight: 700;
    color: var(--color-text);
    margin-bottom: 16px;
    padding-bottom: 12px;
    border-bottom: 1px solid var(--color-primary-soft);
    position: relative;
}

.sidebar-card h3::after {
    content: '';
    position: absolute;
    left: 0;
    bottom: -1px;
    width: 32px;
    height: 2px;
    background: var(--color-accent);
}

.category-list li {
    border-bottom: 1px dashed var(--color-border);
}

.category-list li:last-child {
    border-bottom: none;
}

.category-list a {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 12px 4px;
    color: var(--color-text);
    text-decoration: none;
    font-size: 15px;
    transition: all .2s ease;
}

.category-list a:hover {
    color: var(--color-primary);
    padding-left: 12px;
}

.category-list span {
    color: var(--color-muted);
    font-size: 13px;
    font-weight: 400;
}

.category-list li.active a {
    color: var(--color-primary);
    font-weight: 600;
    padding-left: 12px;
    background: var(--color-primary-soft);
    border-radius: 6px;
}

.hot-list li {
    display: flex;
    align-items: flex-start;
    gap: 12px;
    padding: 12px 0;
    border-bottom: 1px dashed var(--color-border);
}

.hot-list li:last-child {
    border-bottom: none;
    padding-bottom: 0;
}

.hot-num {
    font-size: 20px;
    font-weight: 800;
    color: var(--color-primary-soft);
    font-family: "Inter", "DIN Alternate", sans-serif;
    line-height: 1.4;
    flex-shrink: 0;
    transition: color .2s ease;
    min-width: 28px;
}

.hot-list li:hover .hot-num {
    color: var(--color-accent);
}

.hot-list a {
    color: var(--color-text);
    text-decoration: none;
    font-size: 14px;
    line-height: 1.5;
    font-weight: 500;
    transition: color .2s ease;
}

.hot-list li:hover a {
    color: var(--color-primary);
}

.sidebar-cta {
    background: var(--color-primary-soft);
    text-align: center;
}

.sidebar-cta h3 {
    border-bottom-color: rgba(44, 95, 138, .15);
}

.sidebar-cta p {
    color: var(--color-text-secondary);
    font-size: 14px;
    margin-bottom: 20px;
    line-height: 1.6;
}

/* ========== 页脚 ========== */
.site-footer {
    background: var(--color-primary-dark);
    color: rgba(255, 255, 255, .85);
    padding: 72px 0 24px;
    margin-top: 32px;
}

.footer-grid {
    display: grid;
    grid-template-columns: 1.6fr 1fr 1fr 1fr;
    gap: 48px;
    margin-bottom: 48px;
}

.footer-brand .logo-text {
    color: #fff;
}

.footer-brand p {
    font-size: 14px;
    line-height: 1.7;
    margin: 16px 0;
    color: rgba(255, 255, 255, .6);
}

.footer-social {
    display: flex;
    gap: 12px;
}

.footer-social a {
    width: 36px;
    height: 36px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(255, 255, 255, .1);
    border-radius: 8px;
    color: rgba(255, 255, 255, .7);
    text-decoration: none;
    transition: all .2s ease;
    font-size: 14px;
}

.footer-social a:hover {
    background: var(--color-accent);
    color: #fff;
    transform: translateY(-2px);
}

.footer-col h4 {
    font-size: 15px;
    color: #fff;
    margin-bottom: 16px;
    font-weight: 700;
}

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

.footer-col a {
    color: rgba(255, 255, 255, .6);
    text-decoration: none;
    font-size: 14px;
    transition: color .2s ease;
}

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

.footer-bottom {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding-top: 24px;
    border-top: 1px solid rgba(255, 255, 255, .1);
    font-size: 13px;
    color: rgba(255, 255, 255, .5);
}

.footer-links {
    display: flex;
    gap: 16px;
}

.footer-links a {
    color: rgba(255, 255, 255, .5);
    text-decoration: none;
    transition: color .2s ease;
}

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

.footer-note {
    text-align: center;
    font-size: 12px;
    color: rgba(255, 255, 255, .35);
    margin-top: 16px;
    line-height: 1.6;
}

/* ========== 响应式 ========== */
@media (max-width: 1100px) {
    .article-layout {
        grid-template-columns: 1fr;
    }

    .article-sidebar {
        order: 2;
        flex-direction: row;
        flex-wrap: wrap;
        gap: 20px;
    }

    .sidebar-card {
        flex: 1 1 calc(50% - 10px);
        min-width: 240px;
    }

    .sidebar-card.sidebar-cta {
        flex-basis: 100%;
    }
}

@media (max-width: 992px) {
    .related-grid {
        grid-template-columns: repeat(3, 1fr);
    }
}

@media (max-width: 768px) {
    .container {
        padding: 0 16px;
    }

    .header-inner {
        padding: 0 12px 0 16px;
        height: 64px;
    }

    .logo-text {
        font-size: 17px;
    }

    .logo-sub {
        display: none;
    }

    .main-nav {
        display: none;
        position: absolute;
        top: calc(100% + 10px);
        left: 12px;
        right: 12px;
        background: var(--color-surface);
        border: 1px solid var(--color-border);
        border-radius: var(--radius-card);
        box-shadow: var(--shadow-hover);
        padding: 14px;
        flex-direction: column;
        align-items: stretch;
        gap: 8px;
    }

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

    .nav-item {
        justify-content: flex-start;
        padding: 14px 16px;
        font-size: 15px;
        background: var(--color-primary-soft);
    }

    .nav-toggle {
        display: flex;
    }

    .header-cta {
        display: none;
    }

    .main-content {
        padding-top: 20px;
    }

    .article-main {
        padding: 24px;
    }

    .article-title {
        font-size: 26px;
    }

    .article-meta {
        gap: 12px;
        font-size: 13px;
    }

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

    .related-body h3 {
        min-height: 0;
    }

    .pager {
        flex-direction: column;
        gap: 12px;
    }

    .pager-link {
        max-width: 100%;
        justify-content: center;
    }

    .footer-grid {
        grid-template-columns: 1fr 1fr;
        gap: 32px;
    }

    .footer-bottom {
        flex-direction: column;
        gap: 10px;
        text-align: center;
    }
}

@media (max-width: 576px) {
    .footer-grid {
        grid-template-columns: 1fr;
    }

    .article-main {
        padding: 20px 16px;
    }

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

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

    .sidebar-card {
        flex-basis: 100%;
    }

    .btn {
        padding: 12px 20px;
    }
}

/* roulang page: category2 */
:root {
            --color-primary: #2C5F8A;
            --color-primary-dark: #1E405E;
            --color-primary-soft: #E6EDF3;
            --color-accent: #C9A063;
            --color-accent-soft: #F5EFE3;
            --color-bg: #F7F9FB;
            --color-surface: #FFFFFF;
            --color-text: #1F2A36;
            --color-text-secondary: #4A5B6C;
            --color-muted: #8A9AA8;
            --color-border: #D9E1E8;
            --shadow-sm: 0 1px 2px rgba(31, 42, 54, .06);
            --shadow-card: 0 4px 24px rgba(31, 42, 54, .08);
            --shadow-hover: 0 8px 32px rgba(31, 42, 54, .12);
            --radius-card: 12px;
            --radius-btn: 8px;
            --font-h1: 36px;
            --font-h2: 28px;
            --font-h3: 20px;
            --font-body: 16px;
            --font-small: 14px;
            --font-caption: 12px;
            --container: 1200px;
            --gap: 24px;
        }
        *,
        *::before,
        *::after {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }
        html {
            scroll-behavior: smooth;
        }
        body {
            font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "Microsoft YaHei", "PingFang SC", "Helvetica Neue", Helvetica, Arial, sans-serif;
            font-size: var(--font-body);
            line-height: 1.75;
            color: var(--color-text);
            background: var(--color-bg);
            -webkit-font-smoothing: antialiased;
            text-rendering: optimizeLegibility;
        }
        img {
            max-width: 100%;
            display: block;
            border: 0;
        }
        a {
            color: var(--color-primary);
            text-decoration: none;
            transition: color .2s ease, border-color .2s ease, background .2s ease;
        }
        a:hover {
            color: var(--color-primary-dark);
        }
        button {
            font-family: inherit;
            border: none;
            cursor: pointer;
            background: none;
        }
        input {
            font-family: inherit;
            font-size: inherit;
        }
        ul,
        ol {
            list-style: none;
        }
        .container {
            max-width: var(--container);
            margin: 0 auto;
            padding: 0 24px;
        }
        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            padding: 12px 28px;
            border-radius: var(--radius-btn);
            font-size: 15px;
            font-weight: 600;
            line-height: 1.2;
            transition: all .2s ease;
            white-space: nowrap;
            border: 1px solid transparent;
        }
        .btn-primary {
            background: var(--color-primary);
            color: #fff;
            box-shadow: var(--shadow-sm);
        }
        .btn-primary:hover {
            background: var(--color-primary-dark);
            color: #fff;
            box-shadow: var(--shadow-card);
            border-bottom-color: var(--color-accent);
            transform: translateY(-1px);
        }
        .btn-primary:active {
            transform: scale(.98);
        }
        .btn-outline {
            background: var(--color-surface);
            color: var(--color-primary);
            border-color: var(--color-border);
        }
        .btn-outline:hover {
            border-color: var(--color-primary);
            color: var(--color-primary);
            background: var(--color-primary-soft);
            transform: translateY(-1px);
        }
        .btn-outline:active {
            transform: scale(.98);
        }
        .btn-light {
            background: #fff;
            color: var(--color-primary-dark);
        }
        .btn-light:hover {
            background: var(--color-accent-soft);
            color: var(--color-primary-dark);
            transform: translateY(-1px);
        }
        .btn .arrow {
            transition: transform .2s ease;
        }
        .btn:hover .arrow {
            transform: translateX(3px);
        }
        .badge {
            display: inline-flex;
            align-items: center;
            padding: 4px 14px;
            border-radius: 999px;
            font-size: 12px;
            font-weight: 600;
            line-height: 1.5;
            background: var(--color-accent-soft);
            color: #8a6d3b;
        }
        .badge-primary {
            background: var(--color-primary);
            color: #fff;
        }
        .badge-soft {
            background: var(--color-primary-soft);
            color: var(--color-primary);
        }
        .section {
            padding: 96px 0;
        }
        .section-alt {
            background: var(--color-surface);
        }
        .section-soft {
            background: var(--color-primary-soft);
        }
        .section-header {
            text-align: center;
            max-width: 720px;
            margin: 0 auto 56px;
        }
        .section-header .tagline {
            display: inline-block;
            font-size: 13px;
            font-weight: 600;
            letter-spacing: .06em;
            text-transform: uppercase;
            color: var(--color-accent);
            margin-bottom: 12px;
            border: 1px solid rgba(201, 160, 99, .3);
            padding: 4px 16px;
            border-radius: 999px;
            background: var(--color-accent-soft);
        }
        .section-header h2 {
            font-size: var(--font-h2);
            font-weight: 700;
            line-height: 1.3;
            color: var(--color-text);
            letter-spacing: .01em;
            margin-bottom: 16px;
        }
        .section-header p {
            font-size: 16px;
            color: var(--color-text-secondary);
            line-height: 1.7;
        }
        /* ===== Header ===== */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 100;
            padding: 12px 0 4px;
            background: transparent;
        }
        .header-inner {
            display: flex;
            align-items: center;
            gap: 16px;
            background: var(--color-surface);
            border-radius: var(--radius-card);
            box-shadow: var(--shadow-card);
            padding: 10px 20px;
            border: 1px solid rgba(217, 225, 232, .6);
        }
        .logo {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            flex-shrink: 0;
            text-decoration: none;
        }
        .logo-icon {
            width: 40px;
            height: 40px;
            border-radius: 10px;
            background: var(--color-primary-soft);
            display: flex;
            align-items: center;
            justify-content: center;
            flex-shrink: 0;
        }
        .logo-icon svg {
            width: 22px;
            height: 22px;
            fill: none;
            stroke: var(--color-primary);
            stroke-width: 1.8;
            stroke-linecap: round;
            stroke-linejoin: round;
        }
        .logo-text {
            font-size: 18px;
            font-weight: 700;
            color: var(--color-text);
            letter-spacing: .01em;
            line-height: 1.2;
        }
        .logo-sub {
            font-size: 11px;
            font-weight: 500;
            color: var(--color-muted);
            background: var(--color-bg);
            padding: 2px 8px;
            border-radius: 999px;
            line-height: 1.5;
            margin-left: -4px;
        }
        .main-nav {
            display: flex;
            align-items: center;
            gap: 6px;
            margin-left: auto;
        }
        .nav-item {
            display: inline-flex;
            align-items: center;
            padding: 8px 16px;
            border-radius: 8px;
            font-size: 14px;
            font-weight: 500;
            color: var(--color-text-secondary);
            background: transparent;
            transition: all .2s ease;
            white-space: nowrap;
            text-decoration: none;
            position: relative;
        }
        .nav-item:hover {
            background: var(--color-primary-soft);
            color: var(--color-primary);
        }
        .nav-item.active {
            background: var(--color-primary);
            color: #fff;
            font-weight: 600;
        }
        .nav-item.active::after {
            content: "";
            position: absolute;
            bottom: 4px;
            left: 50%;
            transform: translateX(-50%);
            width: 6px;
            height: 6px;
            border-radius: 50%;
            background: var(--color-accent);
        }
        .btn-nav {
            padding: 10px 20px;
            font-size: 14px;
            margin-left: 4px;
            flex-shrink: 0;
        }
        .nav-toggle {
            display: none;
            width: 40px;
            height: 40px;
            border-radius: 8px;
            background: var(--color-primary-soft);
            align-items: center;
            justify-content: center;
            flex-shrink: 0;
            color: var(--color-primary);
        }
        .nav-toggle svg {
            width: 20px;
            height: 20px;
        }
        /* ===== Hero ===== */
        .hero {
            position: relative;
            padding: 80px 0 72px;
            background: var(--color-bg);
            overflow: hidden;
        }
        .hero-bg {
            position: absolute;
            inset: 0;
            background-image: url('/assets/images/backpic/back-2.png');
            background-size: cover;
            background-position: center;
            z-index: 0;
        }
        .hero-bg::after {
            content: "";
            position: absolute;
            inset: 0;
            background: linear-gradient(90deg, rgba(247, 249, 251, .96) 30%, rgba(247, 249, 251, .78) 60%, rgba(247, 249, 251, .4));
        }
        .hero-inner {
            position: relative;
            z-index: 1;
            display: grid;
            grid-template-columns: 1.2fr .8fr;
            gap: 48px;
            align-items: center;
        }
        .hero-crumbs {
            font-size: 13px;
            color: var(--color-muted);
            margin-bottom: 16px;
            display: flex;
            align-items: center;
            gap: 6px;
        }
        .hero-crumbs a {
            color: var(--color-muted);
            text-decoration: none;
        }
        .hero-crumbs a:hover {
            color: var(--color-primary);
        }
        .hero-crumbs .sep {
            color: var(--color-border);
        }
        .hero h1 {
            font-size: 44px;
            font-weight: 800;
            line-height: 1.2;
            color: var(--color-text);
            letter-spacing: .01em;
            margin-bottom: 16px;
        }
        .hero h1 .highlight {
            color: var(--color-primary);
            position: relative;
        }
        .hero h1 .highlight::after {
            content: "";
            position: absolute;
            bottom: 4px;
            left: 0;
            width: 100%;
            height: 8px;
            background: var(--color-accent-soft);
            z-index: -1;
            border-radius: 4px;
        }
        .hero-subtitle {
            font-size: 18px;
            font-weight: 600;
            color: var(--color-primary);
            margin-bottom: 12px;
        }
        .hero-desc {
            font-size: 16px;
            color: var(--color-text-secondary);
            line-height: 1.7;
            max-width: 540px;
            margin-bottom: 28px;
        }
        .hero-actions {
            display: flex;
            gap: 16px;
            flex-wrap: wrap;
            margin-bottom: 24px;
        }
        .hero-tags {
            display: flex;
            gap: 12px;
            flex-wrap: wrap;
        }
        .hero-tags .tag-item {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            font-size: 13px;
            color: var(--color-text-secondary);
            background: var(--color-surface);
            border: 1px solid var(--color-border);
            padding: 6px 14px;
            border-radius: 999px;
            box-shadow: var(--shadow-sm);
        }
        .hero-tags .tag-item svg {
            width: 14px;
            height: 14px;
            color: var(--color-accent);
        }
        .hero-card {
            background: var(--color-surface);
            border-radius: var(--radius-card);
            box-shadow: var(--shadow-card);
            border: 1px solid var(--color-border);
            padding: 28px;
        }
        .hero-card .info-label {
            font-size: 13px;
            font-weight: 600;
            color: var(--color-muted);
            letter-spacing: .04em;
            margin-bottom: 20px;
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .hero-card .info-label::before {
            content: "";
            width: 20px;
            height: 2px;
            background: var(--color-accent);
            border-radius: 2px;
        }
        .hero-card .info-item {
            display: flex;
            align-items: center;
            gap: 14px;
            padding: 14px 0;
            border-bottom: 1px dashed var(--color-border);
        }
        .hero-card .info-item:last-child {
            border-bottom: none;
        }
        .hero-card .info-item .icon {
            width: 36px;
            height: 36px;
            border-radius: 8px;
            background: var(--color-primary-soft);
            display: flex;
            align-items: center;
            justify-content: center;
            flex-shrink: 0;
        }
        .hero-card .info-item .icon svg {
            width: 18px;
            height: 18px;
            color: var(--color-primary);
        }
        .hero-card .info-item .text {
            font-size: 14px;
            color: var(--color-text-secondary);
            line-height: 1.4;
        }
        .hero-card .info-item .text strong {
            display: block;
            font-size: 15px;
            color: var(--color-text);
        }
        /* ===== 分类胶囊 ===== */
        .category-pills {
            margin-top: 32px;
            display: flex;
            gap: 12px;
            flex-wrap: wrap;
        }
        .category-pill {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 10px 22px;
            border-radius: 999px;
            font-size: 14px;
            font-weight: 500;
            background: var(--color-surface);
            color: var(--color-text-secondary);
            border: 1px solid var(--color-border);
            transition: all .2s ease;
            text-decoration: none;
        }
        .category-pill:hover {
            border-color: var(--color-primary);
            color: var(--color-primary);
            background: var(--color-primary-soft);
        }
        .category-pill.active {
            background: var(--color-primary);
            color: #fff;
            border-color: var(--color-primary);
            font-weight: 600;
        }
        .category-pill.active::before {
            content: "";
            width: 6px;
            height: 6px;
            border-radius: 50%;
            background: var(--color-accent);
        }
        /* ===== 特色 ===== */
        .features-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 24px;
        }
        .feature-card {
            background: var(--color-surface);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-card);
            padding: 28px 24px;
            box-shadow: var(--shadow-sm);
            transition: all .2s ease;
        }
        .feature-card:hover {
            transform: translateY(-3px);
            box-shadow: var(--shadow-card);
            border-color: rgba(44, 95, 138, .3);
        }
        .feature-card .icon-wrap {
            width: 48px;
            height: 48px;
            border-radius: 12px;
            background: var(--color-primary-soft);
            display: flex;
            align-items: center;
            justify-content: center;
            margin-bottom: 20px;
        }
        .feature-card .icon-wrap svg {
            width: 24px;
            height: 24px;
            color: var(--color-primary);
        }
        .feature-card h3 {
            font-size: var(--font-h3);
            font-weight: 700;
            color: var(--color-text);
            margin-bottom: 8px;
            line-height: 1.4;
        }
        .feature-card p {
            font-size: 14px;
            color: var(--color-text-secondary);
            line-height: 1.65;
        }
        /* ===== 精选内容 ===== */
        .card-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
            margin-bottom: 40px;
        }
        .content-card {
            background: var(--color-surface);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-card);
            overflow: hidden;
            box-shadow: var(--shadow-card);
            transition: all .2s ease;
            display: flex;
            flex-direction: column;
        }
        .content-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-hover);
        }
        .content-card:active {
            transform: scale(.99);
        }
        .card-cover {
            position: relative;
            aspect-ratio: 16 / 9;
            overflow: hidden;
            background: var(--color-primary-soft);
        }
        .card-cover img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform .4s ease;
        }
        .content-card:hover .card-cover img {
            transform: scale(1.04);
        }
        .card-cover .badge {
            position: absolute;
            top: 16px;
            left: 16px;
            background: rgba(255, 255, 255, .92);
            backdrop-filter: blur(4px);
            color: var(--color-primary);
            box-shadow: var(--shadow-sm);
        }
        .card-body {
            padding: 24px;
            flex: 1;
            display: flex;
            flex-direction: column;
        }
        .card-body h3 {
            font-size: 18px;
            font-weight: 700;
            line-height: 1.45;
            margin-bottom: 8px;
            color: var(--color-text);
        }
        .card-body p {
            font-size: 14px;
            color: var(--color-text-secondary);
            line-height: 1.6;
            flex: 1;
            margin-bottom: 16px;
        }
        .card-meta {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding-top: 14px;
            border-top: 1px solid var(--color-border);
            font-size: 13px;
            color: var(--color-muted);
        }
        .card-link {
            font-size: 14px;
            font-weight: 600;
            color: var(--color-primary);
            display: inline-flex;
            align-items: center;
            gap: 4px;
        }
        .card-link .arrow {
            transition: transform .2s ease;
        }
        .card-link:hover .arrow {
            transform: translateX(4px);
        }
        .pagination {
            display: flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            margin-top: 40px;
        }
        .page-item {
            min-width: 40px;
            height: 40px;
            display: flex;
            align-items: center;
            justify-content: center;
            border-radius: 8px;
            font-size: 14px;
            font-weight: 500;
            color: var(--color-text-secondary);
            background: var(--color-surface);
            border: 1px solid var(--color-border);
            transition: all .2s ease;
            padding: 0 14px;
            text-decoration: none;
        }
        .page-item:hover {
            border-color: var(--color-primary);
            color: var(--color-primary);
        }
        .page-item.active {
            background: var(--color-primary);
            color: #fff;
            border-color: var(--color-primary);
        }
        .page-text {
            font-size: 13px;
            color: var(--color-muted);
            margin-left: 12px;
        }
        /* ===== 数据 ===== */
        .stats-section {
            background: var(--color-primary-dark);
            color: #fff;
            padding: 72px 0;
        }
        .stats-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 32px;
            text-align: center;
        }
        .stat-item .num {
            font-size: 44px;
            font-weight: 800;
            line-height: 1.2;
            color: #fff;
            font-feature-settings: 'tnum';
            padding-bottom: 12px;
            position: relative;
            display: inline-block;
        }
        .stat-item .num::after {
            content: "";
            position: absolute;
            bottom: 0;
            left: 50%;
            transform: translateX(-50%);
            width: 32px;
            height: 3px;
            border-radius: 3px;
            background: var(--color-accent);
        }
        .stat-item .label {
            font-size: 14px;
            color: rgba(255, 255, 255, .75);
            margin-top: 12px;
            line-height: 1.5;
        }
        /* ===== 场景 ===== */
        .scenarios-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }
        .scenario-card {
            background: var(--color-surface);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-card);
            padding: 32px 28px;
            transition: all .2s ease;
            box-shadow: var(--shadow-sm);
            position: relative;
            overflow: hidden;
        }
        .scenario-card::before {
            content: "";
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 3px;
            background: var(--color-accent);
            opacity: 0;
            transition: opacity .2s ease;
        }
        .scenario-card:hover {
            box-shadow: var(--shadow-card);
            transform: translateY(-3px);
        }
        .scenario-card:hover::before {
            opacity: 1;
        }
        .scenario-card .icon-wrap {
            width: 56px;
            height: 56px;
            border-radius: 16px;
            background: var(--color-primary-soft);
            display: flex;
            align-items: center;
            justify-content: center;
            margin-bottom: 20px;
        }
        .scenario-card .icon-wrap svg {
            width: 26px;
            height: 26px;
            color: var(--color-primary);
        }
        .scenario-card h3 {
            font-size: 19px;
            font-weight: 700;
            margin-bottom: 8px;
            color: var(--color-text);
        }
        .scenario-card p {
            font-size: 14px;
            color: var(--color-text-secondary);
            line-height: 1.65;
        }
        /* ===== 流程 ===== */
        .process-section {
            background: var(--color-surface);
        }
        .process-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 32px;
            counter-reset: process;
        }
        .process-step {
            text-align: center;
            position: relative;
            padding: 0 8px;
        }
        .process-step::before {
            counter-increment: process;
            content: "0" counter(process);
            display: block;
            font-size: 44px;
            font-weight: 800;
            line-height: 1;
            color: var(--color-primary-soft);
            margin-bottom: 16px;
            font-feature-settings: 'tnum';
        }
        .process-step .step-icon {
            width: 48px;
            height: 48px;
            border-radius: 12px;
            background: var(--color-accent-soft);
            display: flex;
            align-items: center;
            justify-content: center;
            margin: 0 auto 16px;
        }
        .process-step .step-icon svg {
            width: 22px;
            height: 22px;
            color: var(--color-accent);
        }
        .process-step h3 {
            font-size: 17px;
            font-weight: 700;
            color: var(--color-text);
            margin-bottom: 6px;
        }
        .process-step p {
            font-size: 13px;
            color: var(--color-text-secondary);
            line-height: 1.6;
        }
        .process-step::after {
            content: "";
            position: absolute;
            top: 24px;
            right: -16px;
            width: 32px;
            height: 1px;
            background: var(--color-border);
            display: none;
        }
        .process-step:last-child::after {
            display: none;
        }
        /* ===== FAQ ===== */
        .faq-section {
            background: var(--color-bg);
        }
        .faq-list {
            max-width: 820px;
            margin: 0 auto;
        }
        .faq-item {
            background: var(--color-surface);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-card);
            margin-bottom: 16px;
            overflow: hidden;
            box-shadow: var(--shadow-sm);
            transition: box-shadow .2s ease;
        }
        .faq-item:hover {
            box-shadow: var(--shadow-card);
        }
        .faq-item.open {
            box-shadow: var(--shadow-card);
            border-color: rgba(44, 95, 138, .3);
        }
        .faq-question {
            width: 100%;
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 20px 24px;
            font-size: 16px;
            font-weight: 600;
            color: var(--color-text);
            text-align: left;
            transition: background .2s ease;
        }
        .faq-question:hover {
            background: var(--color-bg);
        }
        .faq-icon {
            width: 28px;
            height: 28px;
            border-radius: 50%;
            background: var(--color-primary-soft);
            display: flex;
            align-items: center;
            justify-content: center;
            flex-shrink: 0;
            transition: all .3s ease;
        }
        .faq-icon svg {
            width: 14px;
            height: 14px;
            color: var(--color-primary);
            transition: transform .3s ease;
        }
        .faq-item.open .faq-icon svg {
            transform: rotate(45deg);
        }
        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height .3s ease;
        }
        .faq-answer-inner {
            padding: 0 24px 20px;
            font-size: 15px;
            color: var(--color-text-secondary);
            line-height: 1.7;
            border-top: 1px dashed var(--color-border);
            padding-top: 16px;
            margin-top: 0;
        }
        /* ===== CTA ===== */
        .cta-section {
            background: var(--color-primary-dark);
            color: #fff;
            padding: 80px 0;
            position: relative;
            overflow: hidden;
        }
        .cta-section::before {
            content: "";
            position: absolute;
            top: -40px;
            right: -40px;
            width: 260px;
            height: 260px;
            border-radius: 50%;
            background: rgba(255, 255, 255, .04);
        }
        .cta-section::after {
            content: "";
            position: absolute;
            bottom: -60px;
            left: 60px;
            width: 180px;
            height: 180px;
            border-radius: 50%;
            background: rgba(201, 160, 99, .06);
        }
        .cta-inner {
            position: relative;
            z-index: 1;
            text-align: center;
            max-width: 680px;
            margin: 0 auto;
        }
        .cta-inner h2 {
            font-size: 28px;
            font-weight: 700;
            margin-bottom: 12px;
            color: #fff;
        }
        .cta-inner p {
            font-size: 16px;
            color: rgba(255, 255, 255, .8);
            margin-bottom: 36px;
            line-height: 1.6;
        }
        .cta-actions {
            display: flex;
            justify-content: center;
            gap: 16px;
            flex-wrap: wrap;
        }
        /* ===== Footer ===== */
        .site-footer {
            background: var(--color-primary-dark);
            color: rgba(255, 255, 255, .8);
            padding: 72px 0 0;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 1.6fr 1fr 1fr 1fr;
            gap: 48px;
            padding-bottom: 48px;
        }
        .footer-brand .logo {
            margin-bottom: 20px;
        }
        .footer-brand p {
            font-size: 14px;
            line-height: 1.7;
            color: rgba(255, 255, 255, .65);
            max-width: 320px;
            margin-bottom: 24px;
        }
        .footer-social {
            display: flex;
            gap: 12px;
        }
        .footer-social a {
            width: 36px;
            height: 36px;
            border-radius: 8px;
            background: rgba(255, 255, 255, .08);
            display: flex;
            align-items: center;
            justify-content: center;
            color: rgba(255, 255, 255, .7);
            transition: all .2s ease;
        }
        .footer-social a:hover {
            background: var(--color-accent);
            color: #fff;
            transform: translateY(-2px);
        }
        .footer-col h4 {
            font-size: 15px;
            font-weight: 600;
            color: #fff;
            margin-bottom: 20px;
        }
        .footer-col ul li {
            margin-bottom: 12px;
        }
        .footer-col ul a {
            font-size: 14px;
            color: rgba(255, 255, 255, .6);
            transition: color .2s ease, padding-left .2s ease;
            display: inline-flex;
            align-items: center;
            gap: 6px;
        }
        .footer-col ul a::before {
            content: "";
            width: 4px;
            height: 4px;
            border-radius: 50%;
            background: var(--color-accent);
            opacity: 0;
            transition: opacity .2s ease;
        }
        .footer-col ul a:hover {
            color: #fff;
            padding-left: 6px;
        }
        .footer-col ul a:hover::before {
            opacity: 1;
        }
        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, .1);
            padding: 24px 0;
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 12px;
        }
        .footer-bottom .copyright {
            font-size: 13px;
            color: rgba(255, 255, 255, .5);
        }
        .footer-bottom .legal {
            display: flex;
            gap: 20px;
        }
        .footer-bottom .legal a {
            font-size: 13px;
            color: rgba(255, 255, 255, .5);
        }
        .footer-bottom .legal a:hover {
            color: #fff;
        }
        .footer-compliance {
            font-size: 12px;
            color: rgba(255, 255, 255, .35);
            line-height: 1.6;
            padding: 16px 0;
            border-top: 1px solid rgba(255, 255, 255, .06);
            text-align: center;
        }
        /* ===== 响应式 ===== */
        @media (max-width: 992px) {
            .hero-inner {
                grid-template-columns: 1fr;
                gap: 32px;
            }
            .hero-card {
                max-width: 600px;
            }
            .features-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .card-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .scenarios-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .process-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 40px;
            }
            .stats-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
            }
        }
        @media (max-width: 768px) {
            .section {
                padding: 56px 0;
            }
            .container {
                padding: 0 16px;
            }
            .header-inner {
                flex-wrap: wrap;
                padding: 10px 14px;
            }
            .main-nav {
                display: none;
                position: absolute;
                top: calc(100% + 8px);
                left: 0;
                right: 0;
                background: var(--color-surface);
                border-radius: var(--radius-card);
                box-shadow: var(--shadow-hover);
                padding: 12px;
                flex-direction: column;
                align-items: stretch;
                margin-left: 0;
                border: 1px solid var(--color-border);
            }
            .main-nav.open {
                display: flex;
            }
            .nav-item {
                padding: 14px 16px;
                justify-content: center;
                font-size: 15px;
            }
            .nav-toggle {
                display: flex;
                margin-left: auto;
            }
            .btn-nav {
                display: none;
            }
            .hero {
                padding: 48px 0 40px;
            }
            .hero h1 {
                font-size: 30px;
            }
            .hero-subtitle {
                font-size: 16px;
            }
            .hero-tags {
                gap: 8px;
            }
            .category-pills {
                gap: 8px;
            }
            .category-pill {
                padding: 8px 16px;
                font-size: 13px;
            }
            .features-grid {
                grid-template-columns: 1fr;
            }
            .card-grid {
                grid-template-columns: 1fr;
            }
            .scenarios-grid {
                grid-template-columns: 1fr;
            }
            .process-grid {
                grid-template-columns: 1fr;
                gap: 32px;
            }
            .process-step::after {
                display: none;
            }
            .stats-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 24px;
            }
            .stat-item .num {
                font-size: 32px;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 32px;
            }
            .footer-bottom {
                flex-direction: column;
                text-align: center;
            }
            .cta-actions {
                flex-direction: column;
                align-items: center;
            }
            .cta-actions .btn {
                width: 100%;
                max-width: 300px;
            }
        }
        @media (max-width: 576px) {
            .hero h1 {
                font-size: 26px;
            }
            .hero-desc {
                font-size: 15px;
            }
            .hero-actions {
                flex-direction: column;
                gap: 12px;
            }
            .hero-actions .btn {
                width: 100%;
            }
            .hero-card {
                padding: 20px;
            }
            .section-header h2 {
                font-size: 22px;
            }
            .features-grid {
                grid-template-columns: 1fr;
            }
            .card-grid {
                grid-template-columns: 1fr;
            }
            .pagination {
                flex-wrap: wrap;
            }
            .stats-grid {
                grid-template-columns: 1fr 1fr;
                gap: 20px;
            }
            .stat-item .num {
                font-size: 28px;
            }
            .blog-grid {
                grid-template-columns: 1fr;
            }
        }

/* roulang page: category3 */
:root {
            --color-primary: #2C5F8A;
            --color-primary-dark: #1E405E;
            --color-primary-soft: #E6EDF3;
            --color-accent: #C9A063;
            --color-accent-soft: #F5EFE3;
            --color-bg: #F7F9FB;
            --color-surface: #FFFFFF;
            --color-text: #1F2A36;
            --color-text-secondary: #4A5B6C;
            --color-muted: #8A9AA8;
            --color-border: #D9E1E8;
            --color-success: #2E7D5B;
            --color-warning: #C7781E;
            --color-danger: #A8433B;
            --radius-card: 12px;
            --radius-btn: 8px;
            --radius-pill: 999px;
            --shadow-sm: 0 1px 2px rgba(31, 42, 54, .06);
            --shadow-card: 0 4px 24px rgba(31, 42, 54, .08);
            --shadow-hover: 0 8px 32px rgba(31, 42, 54, .12);
            --font-main: "PingFang SC", "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;
            --font-en: "Inter", "Roboto", "Helvetica Neue", Arial, sans-serif;
            --transition: .2s ease;
        }

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

        html {
            scroll-behavior: smooth;
        }

        body {
            font-family: var(--font-main);
            font-size: 16px;
            line-height: 1.75;
            color: var(--color-text);
            background: var(--color-bg);
            -webkit-font-smoothing: antialiased;
        }

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

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

        a:hover {
            color: var(--color-primary-dark);
        }

        button,
        input {
            font-family: inherit;
            border: none;
            outline: none;
        }

        ul,
        ol {
            list-style: none;
        }

        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 24px;
        }

        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            padding: 12px 28px;
            border-radius: var(--radius-btn);
            font-size: 15px;
            font-weight: 600;
            line-height: 1.4;
            cursor: pointer;
            transition: var(--transition);
            border: 1px solid transparent;
            white-space: nowrap;
        }

        .btn:focus-visible {
            outline: 3px solid rgba(44, 95, 138, .25);
            outline-offset: 2px;
        }

        .btn-primary {
            background: var(--color-primary);
            color: #fff;
        }

        .btn-primary:hover {
            background: var(--color-primary-dark);
            color: #fff;
            box-shadow: inset 0 -2px 0 var(--color-accent);
            transform: translateY(-1px);
        }

        .btn-primary:active {
            transform: scale(.98);
        }

        .btn-outline {
            background: var(--color-surface);
            border-color: var(--color-border);
            color: var(--color-text);
        }

        .btn-outline:hover {
            border-color: var(--color-primary);
            color: var(--color-primary);
            background: var(--color-primary-soft);
            transform: translateY(-1px);
        }

        .btn-outline:active {
            transform: scale(.98);
        }

        .btn-light {
            background: #fff;
            color: var(--color-primary-dark);
        }

        .btn-light:hover {
            background: var(--color-accent-soft);
            color: var(--color-primary-dark);
            transform: translateY(-1px);
        }

        .section-tag {
            display: inline-block;
            padding: 6px 16px;
            border-radius: var(--radius-pill);
            background: var(--color-accent-soft);
            color: var(--color-accent);
            font-size: 13px;
            font-weight: 600;
            letter-spacing: .04em;
        }

        .section-head {
            text-align: center;
            max-width: 640px;
            margin: 0 auto 48px;
        }

        .section-head h2 {
            font-size: 28px;
            font-weight: 700;
            line-height: 1.3;
            margin: 12px 0 12px;
            color: var(--color-text);
            letter-spacing: .01em;
        }

        .section-head p {
            font-size: 16px;
            color: var(--color-text-secondary);
            line-height: 1.7;
        }

        /* ===== Header ===== */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 100;
            background: var(--color-bg);
            padding: 12px 0;
        }

        .header-inner {
            display: flex;
            align-items: center;
            gap: 24px;
            background: var(--color-surface);
            border: 1px solid var(--color-border);
            border-radius: 12px;
            padding: 8px 16px 8px 20px;
            box-shadow: var(--shadow-card);
        }

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

        .logo-icon {
            width: 42px;
            height: 42px;
            border-radius: 10px;
            background: var(--color-primary-soft);
            display: flex;
            align-items: center;
            justify-content: center;
            flex-shrink: 0;
        }

        .logo-icon svg {
            width: 26px;
            height: 26px;
            fill: none;
            stroke: var(--color-primary);
            stroke-width: 2;
            stroke-linecap: round;
            stroke-linejoin: round;
        }

        .logo-text {
            font-size: 19px;
            font-weight: 800;
            color: var(--color-text);
            letter-spacing: .01em;
            font-family: var(--font-en);
        }

        .logo-sub {
            font-size: 12px;
            font-weight: 600;
            color: var(--color-muted);
            background: var(--color-primary-soft);
            padding: 2px 8px;
            border-radius: var(--radius-pill);
            letter-spacing: .03em;
        }

        .main-nav {
            display: flex;
            align-items: center;
            gap: 8px;
            margin-left: auto;
        }

        .nav-item {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 8px 16px;
            border-radius: 8px;
            background: var(--color-primary-soft);
            color: var(--color-text);
            font-size: 14px;
            font-weight: 600;
            transition: var(--transition);
            border: 1px solid transparent;
        }

        .nav-item:hover {
            background: var(--color-surface);
            border-color: var(--color-border);
            box-shadow: var(--shadow-sm);
            color: var(--color-primary);
        }

        .nav-item.active {
            background: var(--color-primary);
            color: #fff;
            box-shadow: 0 2px 0 var(--color-accent);
        }

        .nav-item.active:hover {
            background: var(--color-primary-dark);
            color: #fff;
        }

        .header-cta {
            padding: 10px 22px;
            font-size: 14px;
        }

        .nav-toggle {
            display: none;
            flex-direction: column;
            gap: 5px;
            background: transparent;
            cursor: pointer;
            padding: 8px;
            border-radius: 6px;
        }

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

        .nav-toggle:hover span {
            background: var(--color-accent);
        }

        .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);
        }

        /* ===== Page Hero ===== */
        .page-hero {
            position: relative;
            background: linear-gradient(90deg, rgba(247, 249, 251, .97) 0%, rgba(247, 249, 251, .86) 45%, rgba(247, 249, 251, .5) 100%), url('/assets/images/backpic/back-2.png') center / cover no-repeat;
            padding: 80px 0 64px;
            border-bottom: 1px solid var(--color-border);
        }

        .hero-inner {
            display: grid;
            grid-template-columns: 1.05fr .95fr;
            gap: 56px;
            align-items: center;
        }

        .hero-eyebrow {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            font-size: 13px;
            font-weight: 600;
            color: var(--color-accent);
            letter-spacing: .12em;
            text-transform: uppercase;
            margin-bottom: 16px;
        }

        .hero-eyebrow::before {
            content: "";
            width: 24px;
            height: 2px;
            background: var(--color-accent);
            border-radius: 2px;
        }

        .page-hero h1 {
            font-size: 42px;
            font-weight: 800;
            line-height: 1.2;
            color: var(--color-text);
            letter-spacing: .01em;
            margin-bottom: 16px;
        }

        .hero-desc {
            font-size: 17px;
            color: var(--color-text-secondary);
            line-height: 1.8;
            max-width: 480px;
            margin-bottom: 28px;
        }

        .hero-actions {
            display: flex;
            flex-wrap: wrap;
            gap: 12px;
            margin-bottom: 28px;
        }

        .hero-tags {
            display: flex;
            flex-wrap: wrap;
            gap: 10px;
        }

        .hero-tags span {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 5px 14px;
            border-radius: var(--radius-pill);
            background: var(--color-surface);
            border: 1px solid var(--color-border);
            font-size: 13px;
            font-weight: 600;
            color: var(--color-primary);
            box-shadow: var(--shadow-sm);
        }

        .hero-tags span::before {
            content: "";
            width: 6px;
            height: 6px;
            border-radius: 50%;
            background: var(--color-accent);
        }

        .hero-visual {
            display: flex;
            justify-content: center;
        }

        .hero-card {
            width: 100%;
            max-width: 460px;
            background: var(--color-surface);
            border: 1px solid var(--color-border);
            border-radius: 16px;
            padding: 32px;
            box-shadow: var(--shadow-card);
            position: relative;
            overflow: hidden;
        }

        .hero-card::before {
            content: "";
            position: absolute;
            top: -40px;
            right: -40px;
            width: 120px;
            height: 120px;
            border-radius: 50%;
            background: var(--color-primary-soft);
            z-index: 0;
        }

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

        .hero-card-label {
            font-size: 13px;
            color: var(--color-muted);
            letter-spacing: .08em;
            text-transform: uppercase;
            margin-bottom: 20px;
        }

        .hero-card-item {
            display: flex;
            gap: 14px;
            align-items: flex-start;
            padding: 14px 0;
            border-bottom: 1px dashed var(--color-border);
        }

        .hero-card-item:last-child {
            border-bottom: none;
        }

        .hero-card-icon {
            width: 40px;
            height: 40px;
            border-radius: 10px;
            background: var(--color-primary-soft);
            display: flex;
            align-items: center;
            justify-content: center;
            flex-shrink: 0;
        }

        .hero-card-icon svg {
            width: 22px;
            height: 22px;
            stroke: var(--color-primary);
            fill: none;
            stroke-width: 1.8;
            stroke-linecap: round;
            stroke-linejoin: round;
        }

        .hero-card-item h4 {
            font-size: 15px;
            font-weight: 700;
            margin-bottom: 4px;
            color: var(--color-text);
        }

        .hero-card-item p {
            font-size: 14px;
            color: var(--color-text-secondary);
            line-height: 1.6;
        }

        /* ===== Category Tabs ===== */
        .category-tabs-wrap {
            background: var(--color-bg);
            padding: 24px 0;
            border-bottom: 1px solid var(--color-border);
        }

        .category-tabs {
            display: flex;
            flex-wrap: wrap;
            gap: 10px;
        }

        .category-tabs .tab {
            display: inline-flex;
            align-items: center;
            padding: 10px 20px;
            border-radius: var(--radius-pill);
            background: var(--color-surface);
            border: 1px solid var(--color-border);
            color: var(--color-text-secondary);
            font-size: 14px;
            font-weight: 600;
            transition: var(--transition);
        }

        .category-tabs .tab:hover {
            border-color: var(--color-primary);
            color: var(--color-primary);
            background: var(--color-primary-soft);
        }

        .category-tabs .tab.active {
            background: var(--color-primary);
            color: #fff;
            border-color: var(--color-primary);
            box-shadow: 0 2px 0 var(--color-accent);
        }

        /* ===== Brand Statement ===== */
        .brand-statement {
            padding: 80px 0 60px;
            text-align: center;
        }

        .brand-statement .quote-icon {
            font-size: 48px;
            color: var(--color-accent);
            line-height: 1;
            margin-bottom: 16px;
            font-family: Georgia, serif;
        }

        .brand-statement h2 {
            font-size: 26px;
            font-weight: 700;
            line-height: 1.4;
            max-width: 680px;
            margin: 0 auto 16px;
            color: var(--color-text);
            letter-spacing: .02em;
        }

        .brand-statement p {
            font-size: 16px;
            color: var(--color-text-secondary);
            max-width: 560px;
            margin: 0 auto;
            line-height: 1.8;
        }

        /* ===== Story Section ===== */
        .story-section {
            padding: 72px 0;
            background: var(--color-surface);
            border-top: 1px solid var(--color-border);
            border-bottom: 1px solid var(--color-border);
        }

        .story-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 56px;
            align-items: center;
        }

        .story-image {
            border-radius: 16px;
            overflow: hidden;
            box-shadow: var(--shadow-card);
            position: relative;
        }

        .story-image img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            min-height: 320px;
        }

        .story-image::after {
            content: "";
            position: absolute;
            inset: 0;
            background: linear-gradient(180deg, transparent 60%, rgba(31, 42, 54, .15));
            border-radius: 16px;
        }

        .story-content .section-tag {
            margin-bottom: 12px;
        }

        .story-content h2 {
            font-size: 28px;
            font-weight: 700;
            line-height: 1.3;
            color: var(--color-text);
            margin: 12px 0 16px;
        }

        .story-content p {
            color: var(--color-text-secondary);
            line-height: 1.8;
            margin-bottom: 16px;
            font-size: 16px;
        }

        .story-features {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 14px;
            margin-top: 24px;
        }

        .story-feature {
            display: flex;
            align-items: center;
            gap: 10px;
            padding: 12px 16px;
            background: var(--color-bg);
            border-radius: 10px;
            border: 1px solid var(--color-border);
        }

        .story-feature svg {
            width: 20px;
            height: 20px;
            stroke: var(--color-primary);
            fill: none;
            stroke-width: 2;
            stroke-linecap: round;
            stroke-linejoin: round;
            flex-shrink: 0;
        }

        .story-feature span {
            font-size: 14px;
            font-weight: 600;
            color: var(--color-text);
        }

        /* ===== Timeline ===== */
        .timeline-section {
            padding: 80px 0;
            background: var(--color-bg);
        }

        .timeline {
            max-width: 720px;
            margin: 0 auto;
            position: relative;
            padding: 8px 0;
        }

        .timeline::before {
            content: "";
            position: absolute;
            left: 18px;
            top: 0;
            bottom: 0;
            width: 2px;
            background: linear-gradient(180deg, var(--color-accent), var(--color-primary), transparent);
            border-radius: 2px;
        }

        .timeline-item {
            position: relative;
            padding-left: 56px;
            padding-bottom: 32px;
        }

        .timeline-item:last-child {
            padding-bottom: 0;
        }

        .timeline-dot {
            position: absolute;
            left: 12px;
            top: 6px;
            width: 14px;
            height: 14px;
            border-radius: 50%;
            background: var(--color-surface);
            border: 3px solid var(--color-accent);
            box-shadow: 0 0 0 4px var(--color-accent-soft);
            z-index: 1;
        }

        .timeline-card {
            background: var(--color-surface);
            border: 1px solid var(--color-border);
            border-radius: 12px;
            padding: 20px 24px;
            box-shadow: var(--shadow-sm);
            transition: var(--transition);
        }

        .timeline-card:hover {
            box-shadow: var(--shadow-card);
            transform: translateY(-2px);
        }

        .timeline-phase {
            display: inline-block;
            font-size: 12px;
            font-weight: 700;
            color: var(--color-accent);
            letter-spacing: .08em;
            text-transform: uppercase;
            margin-bottom: 6px;
        }

        .timeline-card h3 {
            font-size: 18px;
            font-weight: 700;
            color: var(--color-text);
            margin-bottom: 8px;
        }

        .timeline-card p {
            font-size: 14px;
            color: var(--color-text-secondary);
            line-height: 1.7;
        }

        /* ===== Values ===== */
        .values-section {
            padding: 80px 0;
            background: var(--color-surface);
            border-top: 1px solid var(--color-border);
            border-bottom: 1px solid var(--color-border);
        }

        .values-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
            gap: 24px;
        }

        .value-card {
            padding: 32px 28px;
            border-radius: var(--radius-card);
            background: var(--color-surface);
            border: 1px solid var(--color-border);
            box-shadow: var(--shadow-sm);
            transition: var(--transition);
            position: relative;
        }

        .value-card::before {
            content: "";
            position: absolute;
            top: 0;
            left: 28px;
            right: 28px;
            height: 2px;
            background: var(--color-accent);
            border-radius: 2px;
            opacity: 0;
            transition: var(--transition);
        }

        .value-card:hover {
            box-shadow: var(--shadow-hover);
            transform: translateY(-3px);
        }

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

        .value-icon {
            width: 48px;
            height: 48px;
            border-radius: 12px;
            background: var(--color-primary-soft);
            display: flex;
            align-items: center;
            justify-content: center;
            margin-bottom: 20px;
        }

        .value-icon svg {
            width: 24px;
            height: 24px;
            stroke: var(--color-primary);
            fill: none;
            stroke-width: 1.8;
            stroke-linecap: round;
            stroke-linejoin: round;
        }

        .value-card h3 {
            font-size: 19px;
            font-weight: 700;
            color: var(--color-text);
            margin-bottom: 10px;
        }

        .value-card p {
            font-size: 14px;
            color: var(--color-text-secondary);
            line-height: 1.7;
        }

        /* ===== Trust ===== */
        .trust-section {
            padding: 72px 0;
            background: var(--color-primary-soft);
        }

        .trust-header {
            text-align: center;
            margin-bottom: 40px;
        }

        .trust-header h2 {
            font-size: 26px;
            font-weight: 700;
            color: var(--color-text);
            margin-bottom: 10px;
        }

        .trust-header p {
            color: var(--color-text-secondary);
        }

        .trust-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 24px;
        }

        .trust-item {
            background: var(--color-surface);
            border-radius: var(--radius-card);
            padding: 28px 24px;
            text-align: center;
            border: 1px solid var(--color-border);
            box-shadow: var(--shadow-sm);
            transition: var(--transition);
        }

        .trust-item:hover {
            box-shadow: var(--shadow-card);
            transform: translateY(-2px);
        }

        .trust-item strong {
            display: block;
            font-size: 18px;
            font-weight: 800;
            color: var(--color-primary);
            margin-bottom: 6px;
            letter-spacing: .02em;
        }

        .trust-item span {
            font-size: 13px;
            color: var(--color-text-secondary);
            line-height: 1.6;
            display: block;
        }

        /* ===== FAQ ===== */
        .faq-section {
            padding: 80px 0;
            background: var(--color-bg);
        }

        .faq-list {
            max-width: 800px;
            margin: 0 auto;
            display: flex;
            flex-direction: column;
            gap: 12px;
        }

        .faq-item {
            background: var(--color-surface);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-card);
            box-shadow: var(--shadow-sm);
            overflow: hidden;
            transition: var(--transition);
        }

        .faq-item:hover {
            box-shadow: var(--shadow-card);
        }

        .faq-question {
            width: 100%;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            padding: 18px 24px;
            background: transparent;
            cursor: pointer;
            font-size: 16px;
            font-weight: 600;
            color: var(--color-text);
            text-align: left;
            transition: var(--transition);
        }

        .faq-question:hover {
            color: var(--color-primary);
        }

        .faq-icon {
            flex-shrink: 0;
            width: 28px;
            height: 28px;
            border-radius: 50%;
            background: var(--color-primary-soft);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 18px;
            color: var(--color-primary);
            transition: var(--transition);
        }

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

        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height .35s ease;
        }

        .faq-answer-inner {
            padding: 0 24px 20px;
            border-top: 1px dashed var(--color-border);
            padding-top: 16px;
            font-size: 15px;
            color: var(--color-text-secondary);
            line-height: 1.8;
        }

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

        /* ===== Subscribe CTA ===== */
        .subscribe-section {
            background: var(--color-primary-dark);
            padding: 80px 0;
            position: relative;
            overflow: hidden;
        }

        .subscribe-section::before {
            content: "";
            position: absolute;
            top: -60px;
            right: -40px;
            width: 240px;
            height: 240px;
            border-radius: 50%;
            border: 30px solid rgba(255, 255, 255, .04);
        }

        .subscribe-section::after {
            content: "";
            position: absolute;
            bottom: -80px;
            left: -60px;
            width: 200px;
            height: 200px;
            border-radius: 50%;
            border: 20px solid rgba(201, 160, 99, .08);
        }

        .subscribe-inner {
            position: relative;
            z-index: 1;
            text-align: center;
            max-width: 640px;
        }

        .subscribe-inner h2 {
            font-size: 28px;
            font-weight: 700;
            color: #fff;
            margin-bottom: 12px;
            line-height: 1.3;
        }

        .subscribe-inner p {
            color: rgba(255, 255, 255, .75);
            margin-bottom: 32px;
            font-size: 15px;
        }

        .subscribe-form {
            display: flex;
            gap: 12px;
            justify-content: center;
            flex-wrap: wrap;
        }

        .subscribe-form input {
            flex: 1;
            min-width: 240px;
            max-width: 360px;
            padding: 12px 20px;
            border-radius: var(--radius-btn);
            background: #fff;
            font-size: 15px;
            color: var(--color-text);
            transition: var(--transition);
        }

        .subscribe-form input::placeholder {
            color: var(--color-muted);
        }

        .subscribe-form input:focus {
            box-shadow: 0 0 0 3px rgba(201, 160, 99, .35);
        }

        .subscribe-note {
            margin-top: 16px;
            font-size: 13px;
            color: rgba(255, 255, 255, .45);
            transition: var(--transition);
        }

        /* ===== Footer ===== */
        .site-footer {
            background: var(--color-primary-dark);
            color: rgba(255, 255, 255, .75);
            padding-top: 72px;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 1.4fr 1fr 1fr 1fr;
            gap: 48px;
            padding-bottom: 48px;
            border-bottom: 1px solid rgba(255, 255, 255, .1);
        }

        .footer-brand p {
            margin-top: 16px;
            font-size: 14px;
            line-height: 1.7;
            color: rgba(255, 255, 255, .6);
            max-width: 320px;
        }

        .footer-social {
            display: flex;
            gap: 10px;
            margin-top: 20px;
        }

        .footer-social a {
            width: 36px;
            height: 36px;
            border-radius: 8px;
            background: rgba(255, 255, 255, .08);
            display: flex;
            align-items: center;
            justify-content: center;
            color: rgba(255, 255, 255, .6);
            transition: var(--transition);
        }

        .footer-social a:hover {
            background: rgba(255, 255, 255, .16);
            color: var(--color-accent);
            transform: translateY(-2px);
        }

        .footer-col h4 {
            font-size: 15px;
            font-weight: 700;
            color: #fff;
            margin-bottom: 16px;
            letter-spacing: .03em;
        }

        .footer-col ul {
            display: flex;
            flex-direction: column;
            gap: 10px;
        }

        .footer-col a {
            color: rgba(255, 255, 255, .65);
            font-size: 14px;
            transition: var(--transition);
            display: inline-block;
        }

        .footer-col a:hover {
            color: var(--color-accent);
            transform: translateX(3px);
        }

        .footer-bottom {
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 12px;
            padding: 24px 0 12px;
        }

        .footer-bottom p {
            font-size: 13px;
            color: rgba(255, 255, 255, .4);
        }

        .footer-bottom-links {
            display: flex;
            gap: 20px;
        }

        .footer-bottom-links a {
            font-size: 13px;
            color: rgba(255, 255, 255, .45);
        }

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

        .footer-note {
            text-align: center;
            font-size: 12px;
            color: rgba(255, 255, 255, .3);
            padding-bottom: 28px;
            letter-spacing: .04em;
        }

        /* ===== Responsive ===== */
        @media (max-width: 992px) {
            .header-cta {
                display: none;
            }

            .hero-inner {
                grid-template-columns: 1fr;
                gap: 40px;
            }

            .hero-visual {
                justify-content: flex-start;
            }

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

            .story-grid {
                grid-template-columns: 1fr;
                gap: 32px;
            }

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

            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 36px;
            }
        }

        @media (max-width: 768px) {
            .header-inner {
                flex-wrap: wrap;
                padding: 8px 12px;
            }

            .main-nav {
                display: none;
                width: 100%;
                flex-direction: column;
                align-items: stretch;
                gap: 6px;
                padding: 12px 0 4px;
                border-top: 1px solid var(--color-border);
                margin-top: 8px;
            }

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

            .nav-item {
                justify-content: center;
                padding: 12px 16px;
            }

            .nav-toggle {
                display: flex;
                margin-left: auto;
            }

            .page-hero {
                padding: 56px 0 48px;
            }

            .page-hero h1 {
                font-size: 32px;
            }

            .brand-statement h2 {
                font-size: 22px;
            }

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

            .timeline-card {
                padding: 16px 18px;
            }

            .subscribe-form {
                flex-direction: column;
                align-items: stretch;
            }

            .subscribe-form input {
                max-width: 100%;
                min-width: auto;
            }

            .subscribe-form .btn {
                width: 100%;
            }
        }

        @media (max-width: 576px) {
            .container {
                padding: 0 16px;
            }

            .page-hero {
                padding: 40px 0 36px;
            }

            .page-hero h1 {
                font-size: 28px;
            }

            .hero-actions {
                flex-direction: column;
                align-items: stretch;
            }

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

            .story-features {
                grid-template-columns: 1fr;
            }

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

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

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

            .footer-bottom {
                flex-direction: column;
                text-align: center;
            }

            .timeline::before {
                left: 14px;
            }

            .timeline-item {
                padding-left: 44px;
            }

            .timeline-dot {
                left: 8px;
            }
        }

/* roulang page: category4 */
:root {
            --color-primary: #2C5F8A;
            --color-primary-dark: #1E405E;
            --color-primary-soft: #E6EDF3;
            --color-accent: #C9A063;
            --color-accent-soft: #F5EFE3;
            --color-bg: #F7F9FB;
            --color-surface: #FFFFFF;
            --color-text: #1F2A36;
            --color-text-secondary: #4A5B6C;
            --color-muted: #8A9AA8;
            --color-border: #D9E1E8;
            --color-success: #2E7D5B;
            --color-warning: #C7781E;
            --color-danger: #A8433B;
            --shadow-sm: 0 1px 2px rgba(31, 42, 54, .06);
            --shadow-card: 0 4px 24px rgba(31, 42, 54, .08);
            --shadow-hover: 0 8px 32px rgba(31, 42, 54, .12);
            --radius-card: 12px;
            --radius-btn: 8px;
            --radius-tag: 999px;
            --container-max: 1200px;
            --spacing-section: 96px;
            --font-en: "Inter", "Roboto", "Helvetica Neue", Arial, sans-serif;
            --font-cn: "Microsoft YaHei", "PingFang SC", "Source Han Sans SC", "Helvetica Neue", Arial, sans-serif;
        }

        *,
        *::before,
        *::after {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }
        html {
            scroll-behavior: smooth;
        }
        body {
            font-family: var(--font-cn);
            font-size: 16px;
            line-height: 1.75;
            color: var(--color-text);
            background: var(--color-bg);
            -webkit-font-smoothing: antialiased;
        }
        img {
            max-width: 100%;
            display: block;
        }
        a {
            color: var(--color-primary);
            text-decoration: none;
            transition: color .2s ease;
        }
        a:hover {
            color: var(--color-primary-dark);
        }
        ul,
        ol {
            list-style: none;
        }
        button,
        input,
        select,
        textarea {
            font-family: inherit;
            font-size: inherit;
            line-height: inherit;
        }
        h1,
        h2,
        h3,
        h4,
        h5 {
            line-height: 1.3;
            font-weight: 700;
            letter-spacing: .01em;
        }
        .container {
            max-width: var(--container-max);
            margin: 0 auto;
            padding: 0 24px;
        }
        .section {
            padding: var(--spacing-section) 0;
        }
        .section-soft {
            background: var(--color-primary-soft);
        }
        .section-plain {
            background: var(--color-bg);
        }
        .section-white {
            background: var(--color-surface);
        }
        .section-head {
            max-width: 720px;
            margin: 0 auto 48px;
            text-align: center;
        }
        .section-head .eyebrow {
            display: inline-block;
            padding: 4px 16px;
            border-radius: var(--radius-tag);
            background: var(--color-accent-soft);
            color: #8a6a2f;
            font-size: 13px;
            font-weight: 600;
            letter-spacing: .05em;
            margin-bottom: 12px;
        }
        .section-head h2 {
            font-size: 28px;
            line-height: 1.3;
            color: var(--color-text);
            margin-bottom: 12px;
        }
        .section-head p {
            font-size: 16px;
            color: var(--color-text-secondary);
            line-height: 1.7;
        }

        /* ===== Buttons ===== */
        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            padding: 12px 28px;
            border-radius: var(--radius-btn);
            font-size: 15px;
            font-weight: 600;
            border: 1px solid transparent;
            cursor: pointer;
            transition: all .2s ease;
            text-decoration: none;
            line-height: 1.5;
            white-space: nowrap;
        }
        .btn-sm {
            padding: 8px 18px;
            font-size: 14px;
        }
        .btn-primary {
            background: var(--color-primary);
            color: #fff;
        }
        .btn-primary:hover {
            background: var(--color-primary-dark);
            color: #fff;
            border-bottom: 2px solid var(--color-accent);
            transform: translateY(-1px);
        }
        .btn-primary:active {
            transform: scale(.98);
        }
        .btn-outline {
            background: var(--color-surface);
            border-color: var(--color-border);
            color: var(--color-primary);
        }
        .btn-outline:hover {
            border-color: var(--color-primary);
            color: var(--color-primary);
            box-shadow: var(--shadow-sm);
        }
        .btn-light {
            background: rgba(255, 255, 255, .15);
            color: #fff;
            border-color: rgba(255, 255, 255, .25);
            backdrop-filter: blur(4px);
        }
        .btn-light:hover {
            background: rgba(255, 255, 255, .25);
            color: #fff;
            border-color: var(--color-accent);
        }
        .btn:focus-visible,
        .nav-item:focus-visible,
        .pill:focus-visible {
            outline: 3px solid rgba(44, 95, 138, .25);
            outline-offset: 2px;
        }

        /* ===== Header & Nav ===== */
        .site-header {
            position: sticky;
            top: 12px;
            z-index: 100;
            padding: 0 24px;
            background: transparent;
            pointer-events: none;
        }
        .site-header.scrolled .header-inner {
            box-shadow: var(--shadow-hover);
        }
        .header-inner {
            max-width: var(--container-max);
            margin: 0 auto;
            background: var(--color-surface);
            border-radius: var(--radius-card);
            box-shadow: var(--shadow-card);
            border: 1px solid rgba(217, 225, 232, .5);
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 64px;
            padding: 0 24px;
            pointer-events: auto;
            transition: box-shadow .3s ease;
        }
        .logo {
            display: flex;
            align-items: center;
            gap: 8px;
            flex-shrink: 0;
        }
        .logo-icon {
            width: 36px;
            height: 36px;
            border-radius: 10px;
            background: var(--color-primary-soft);
            display: flex;
            align-items: center;
            justify-content: center;
        }
        .logo-icon svg {
            width: 22px;
            height: 22px;
            fill: none;
            stroke: var(--color-primary);
            stroke-width: 2;
            stroke-linecap: round;
            stroke-linejoin: round;
        }
        .logo-text {
            font-size: 18px;
            font-weight: 800;
            color: var(--color-text);
            letter-spacing: .01em;
            font-family: var(--font-en), var(--font-cn);
        }
        .logo-sub {
            font-size: 11px;
            font-weight: 600;
            color: var(--color-primary);
            background: var(--color-primary-soft);
            border-radius: var(--radius-tag);
            padding: 2px 8px;
            margin-left: 2px;
        }
        .main-nav {
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .nav-item {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            padding: 8px 16px;
            border-radius: 8px;
            font-size: 14px;
            font-weight: 500;
            color: var(--color-text);
            background: var(--color-primary-soft);
            border: 1px solid transparent;
            transition: all .2s ease;
            position: relative;
            text-decoration: none;
        }
        .nav-item:hover {
            background: var(--color-surface);
            color: var(--color-primary);
            border-color: var(--color-border);
            box-shadow: var(--shadow-sm);
            transform: translateY(-1px);
        }
        .nav-item.active {
            background: var(--color-primary);
            color: #fff;
            border-color: var(--color-primary);
        }
        .nav-item.active::after {
            content: "";
            position: absolute;
            left: 50%;
            bottom: 4px;
            transform: translateX(-50%);
            width: 6px;
            height: 6px;
            border-radius: 50%;
            background: var(--color-accent);
        }
        .header-actions {
            display: flex;
            align-items: center;
            gap: 12px;
        }
        .menu-toggle {
            display: none;
            width: 40px;
            height: 40px;
            border: 1px solid var(--color-border);
            border-radius: 8px;
            background: var(--color-surface);
            cursor: pointer;
            align-items: center;
            justify-content: center;
            flex-direction: column;
            gap: 4px;
            transition: all .2s ease;
        }
        .menu-toggle:hover {
            border-color: var(--color-primary);
        }
        .menu-toggle span {
            display: block;
            width: 18px;
            height: 2px;
            background: var(--color-primary);
            border-radius: 2px;
            transition: all .25s ease;
        }
        .menu-toggle.active span:nth-child(1) {
            transform: translateY(6px) rotate(45deg);
        }
        .menu-toggle.active span:nth-child(2) {
            opacity: 0;
        }
        .menu-toggle.active span:nth-child(3) {
            transform: translateY(-6px) rotate(-45deg);
        }

        /* ===== Hero ===== */
        .hero {
            position: relative;
            padding: 88px 0 72px;
            background: var(--color-bg);
            overflow: hidden;
        }
        .hero-bg {
            position: absolute;
            inset: 0;
            overflow: hidden;
            z-index: 0;
        }
        .hero-bg img {
            width: 100%;
            height: 100%;
            object-fit: cover;
        }
        .hero-bg::after {
            content: "";
            position: absolute;
            inset: 0;
            background: linear-gradient(90deg, rgba(247, 249, 251, .97) 25%, rgba(247, 249, 251, .72) 60%, rgba(247, 249, 251, .45));
        }
        .hero-content {
            position: relative;
            z-index: 1;
            display: grid;
            grid-template-columns: 1.2fr .8fr;
            gap: 48px;
            align-items: center;
        }
        .hero-eyebrow {
            display: inline-block;
            padding: 4px 16px;
            border-radius: var(--radius-tag);
            background: var(--color-accent-soft);
            color: #8a6a2f;
            font-size: 13px;
            font-weight: 600;
            margin-bottom: 16px;
        }
        .hero h1 {
            font-size: 36px;
            line-height: 1.25;
            font-weight: 800;
            color: var(--color-text);
            margin-bottom: 16px;
        }
        .hero-desc {
            font-size: 16px;
            line-height: 1.8;
            color: var(--color-text-secondary);
            max-width: 580px;
            margin-bottom: 24px;
        }
        .hero-actions {
            display: flex;
            flex-wrap: wrap;
            gap: 12px;
            margin-bottom: 28px;
        }
        .category-pills {
            display: flex;
            flex-wrap: wrap;
            gap: 10px;
            margin-top: 8px;
        }
        .pill {
            display: inline-flex;
            align-items: center;
            padding: 7px 20px;
            border-radius: var(--radius-tag);
            font-size: 14px;
            font-weight: 500;
            background: var(--color-surface);
            border: 1px solid var(--color-border);
            color: var(--color-text-secondary);
            transition: all .2s ease;
            text-decoration: none;
        }
        .pill:hover {
            background: var(--color-primary-soft);
            color: var(--color-primary);
            border-color: var(--color-primary);
        }
        .pill.active {
            background: var(--color-primary);
            border-color: var(--color-primary);
            color: #fff;
        }
        .hero-info {
            display: flex;
            justify-content: flex-end;
        }
        .info-card {
            width: 100%;
            max-width: 360px;
            background: var(--color-surface);
            border-radius: var(--radius-card);
            border: 1px solid var(--color-border);
            box-shadow: var(--shadow-card);
            padding: 28px;
        }
        .info-card .info-title {
            font-size: 15px;
            font-weight: 700;
            color: var(--color-primary);
            margin-bottom: 20px;
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .info-card .info-title svg {
            width: 18px;
            height: 18px;
            stroke: var(--color-accent);
        }
        .info-item {
            padding: 12px 0;
            border-bottom: 1px dashed var(--color-border);
        }
        .info-item:last-child {
            border-bottom: none;
        }
        .info-item span {
            display: block;
            font-size: 13px;
            color: var(--color-muted);
            margin-bottom: 2px;
        }
        .info-item strong {
            font-size: 15px;
            color: var(--color-text);
            font-weight: 600;
        }

        /* ===== Feature Cards ===== */
        .feature-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 24px;
        }
        .feature-card {
            background: var(--color-surface);
            border-radius: var(--radius-card);
            border: 1px solid var(--color-border);
            box-shadow: var(--shadow-sm);
            padding: 28px 24px;
            transition: all .2s ease;
        }
        .feature-card:hover {
            transform: translateY(-2px);
            box-shadow: var(--shadow-hover);
            border-color: var(--color-primary);
        }
        .feature-card:active {
            transform: scale(.99);
        }
        .feature-icon {
            width: 40px;
            height: 40px;
            border-radius: 10px;
            background: var(--color-primary-soft);
            display: flex;
            align-items: center;
            justify-content: center;
            margin-bottom: 16px;
        }
        .feature-icon svg {
            width: 20px;
            height: 20px;
            stroke: var(--color-primary);
            fill: none;
            stroke-width: 1.8;
            stroke-linecap: round;
            stroke-linejoin: round;
        }
        .feature-card h3 {
            font-size: 18px;
            margin-bottom: 8px;
        }
        .feature-card p {
            font-size: 14px;
            color: var(--color-text-secondary);
            line-height: 1.7;
        }

        /* ===== Content Cards ===== */
        .content-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }
        .content-card {
            background: var(--color-surface);
            border-radius: var(--radius-card);
            border: 1px solid var(--color-border);
            box-shadow: var(--shadow-sm);
            overflow: hidden;
            transition: all .2s ease;
            display: flex;
            flex-direction: column;
        }
        .content-card:hover {
            transform: translateY(-2px);
            box-shadow: var(--shadow-hover);
        }
        .card-media {
            position: relative;
            display: block;
            overflow: hidden;
            aspect-ratio: 16 / 9;
            background: var(--color-primary-soft);
        }
        .card-media img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform .35s ease;
        }
        .content-card:hover .card-media img {
            transform: scale(1.04);
        }
        .card-tag {
            position: absolute;
            top: 12px;
            left: 12px;
            padding: 4px 12px;
            border-radius: var(--radius-tag);
            background: var(--color-primary);
            color: #fff;
            font-size: 12px;
            font-weight: 600;
        }
        .card-body {
            padding: 24px;
            flex: 1;
            display: flex;
            flex-direction: column;
        }
        .card-body h3 {
            font-size: 18px;
            margin-bottom: 8px;
        }
        .card-body h3 a {
            color: var(--color-text);
            transition: color .2s;
        }
        .card-body h3 a:hover {
            color: var(--color-primary);
        }
        .card-body p {
            font-size: 14px;
            color: var(--color-text-secondary);
            line-height: 1.7;
            flex: 1;
            margin-bottom: 16px;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }
        .card-more {
            font-size: 14px;
            font-weight: 600;
            color: var(--color-primary);
            display: inline-flex;
            align-items: center;
            gap: 4px;
            transition: gap .2s ease;
        }
        .card-more:hover {
            gap: 8px;
            color: var(--color-primary-dark);
        }
        .pagination {
            display: flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            margin-top: 40px;
        }
        .page-btn {
            width: 40px;
            height: 40px;
            display: flex;
            align-items: center;
            justify-content: center;
            border-radius: 8px;
            border: 1px solid var(--color-border);
            background: var(--color-surface);
            font-size: 14px;
            color: var(--color-text);
            transition: all .2s ease;
            text-decoration: none;
        }
        .page-btn.active {
            background: var(--color-primary);
            border-color: var(--color-primary);
            color: #fff;
        }
        .page-btn:hover:not(.active) {
            border-color: var(--color-primary);
            color: var(--color-primary);
        }

        /* ===== Process Steps ===== */
        .process-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 24px;
        }
        .process-item {
            position: relative;
            text-align: center;
            padding: 32px 20px;
            background: var(--color-surface);
            border-radius: var(--radius-card);
            border: 1px solid var(--color-border);
            transition: all .2s ease;
        }
        .process-item:hover {
            box-shadow: var(--shadow-card);
            transform: translateY(-2px);
        }
        .process-num {
            width: 44px;
            height: 44px;
            border-radius: 50%;
            background: var(--color-primary);
            color: #fff;
            font-size: 18px;
            font-weight: 700;
            display: flex;
            align-items: center;
            justify-content: center;
            margin: 0 auto 16px;
            font-family: var(--font-en);
            position: relative;
        }
        .process-num::after {
            content: "";
            position: absolute;
            top: 50%;
            right: -34px;
            width: 24px;
            height: 1px;
            background: var(--color-accent);
            border-top: 1px dashed var(--color-accent);
        }
        .process-item:last-child .process-num::after {
            display: none;
        }
        .process-item h3 {
            font-size: 17px;
            margin-bottom: 8px;
        }
        .process-item p {
            font-size: 14px;
            color: var(--color-text-secondary);
            line-height: 1.7;
        }

        /* ===== Scenarios ===== */
        .scenario-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 24px;
        }
        .scenario-card {
            background: var(--color-surface);
            border-radius: var(--radius-card);
            border: 1px solid var(--color-border);
            padding: 24px;
            transition: all .2s ease;
            border-left: 3px solid var(--color-accent);
        }
        .scenario-card:hover {
            box-shadow: var(--shadow-hover);
            transform: translateY(-2px);
            border-left-color: var(--color-primary);
        }
        .scenario-card h3 {
            font-size: 17px;
            margin-bottom: 8px;
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .scenario-card p {
            font-size: 14px;
            color: var(--color-text-secondary);
            line-height: 1.7;
        }

        /* ===== FAQ ===== */
        .faq-wrap {
            max-width: 820px;
            margin: 0 auto;
        }
        .faq-item {
            background: var(--color-surface);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-card);
            margin-bottom: 12px;
            overflow: hidden;
            transition: border-color .2s ease;
        }
        .faq-item:hover {
            border-color: var(--color-primary);
        }
        .faq-item.active {
            border-color: var(--color-primary);
            box-shadow: var(--shadow-sm);
        }
        .faq-question {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            padding: 16px 24px;
            cursor: pointer;
            min-height: 56px;
            user-select: none;
        }
        .faq-question h4 {
            font-size: 15px;
            font-weight: 600;
            color: var(--color-text);
            line-height: 1.5;
            flex: 1;
        }
        .faq-icon {
            width: 28px;
            height: 28px;
            border-radius: 50%;
            border: 1px solid var(--color-border);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 18px;
            color: var(--color-primary);
            transition: all .25s ease;
            flex-shrink: 0;
            font-weight: 300;
        }
        .faq-item.active .faq-icon {
            transform: rotate(45deg);
            background: var(--color-primary);
            border-color: var(--color-primary);
            color: #fff;
        }
        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height .25s ease;
        }
        .faq-answer-inner {
            padding: 0 24px 20px;
            font-size: 15px;
            line-height: 1.8;
            color: var(--color-text-secondary);
            border-top: 1px solid var(--color-border);
            padding-top: 16px;
        }

        /* ===== Tags ===== */
        .tag-cloud {
            display: flex;
            flex-wrap: wrap;
            justify-content: center;
            gap: 10px;
            max-width: 820px;
            margin: 0 auto 32px;
        }
        .tag {
            display: inline-block;
            padding: 6px 18px;
            border-radius: var(--radius-tag);
            font-size: 13px;
            font-weight: 500;
            background: var(--color-primary-soft);
            color: var(--color-primary);
            transition: all .2s ease;
            cursor: default;
        }
        .tag:hover {
            background: var(--color-primary);
            color: #fff;
        }

        /* ===== CTA ===== */
        .cta-section {
            position: relative;
            padding: 80px 0;
            background-color: var(--color-primary-dark);
            background-image: url('/assets/images/backpic/back-2.png');
            background-size: cover;
            background-position: center;
            overflow: hidden;
        }
        .cta-section::before {
            content: "";
            position: absolute;
            inset: 0;
            background: linear-gradient(120deg, rgba(30, 64, 94, .95), rgba(44, 95, 138, .9));
        }
        .cta-content {
            position: relative;
            z-index: 1;
            text-align: center;
            max-width: 680px;
            margin: 0 auto;
        }
        .cta-content h2 {
            font-size: 32px;
            color: #fff;
            margin-bottom: 12px;
        }
        .cta-content p {
            font-size: 16px;
            color: rgba(255, 255, 255, .85);
            margin-bottom: 28px;
        }
        .cta-actions {
            display: flex;
            justify-content: center;
            gap: 12px;
            flex-wrap: wrap;
        }

        /* ===== Footer ===== */
        .site-footer {
            background: var(--color-primary-dark);
            color: rgba(255, 255, 255, .85);
            padding: 70px 0 24px;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 1.4fr 1fr 1fr 1fr;
            gap: 40px;
            padding-bottom: 48px;
            border-bottom: 1px solid rgba(255, 255, 255, .1);
        }
        .footer-brand .logo {
            margin-bottom: 16px;
        }
        .footer-brand p {
            font-size: 14px;
            line-height: 1.7;
            color: rgba(255, 255, 255, .65);
            margin-bottom: 20px;
            max-width: 320px;
        }
        .footer-social {
            display: flex;
            gap: 10px;
        }
        .footer-social a {
            width: 36px;
            height: 36px;
            border-radius: 8px;
            background: rgba(255, 255, 255, .1);
            display: flex;
            align-items: center;
            justify-content: center;
            color: rgba(255, 255, 255, .8);
            transition: all .2s ease;
        }
        .footer-social a:hover {
            background: var(--color-accent);
            color: #fff;
            transform: translateY(-2px);
        }
        .footer-col h4 {
            font-size: 15px;
            font-weight: 700;
            color: #fff;
            margin-bottom: 16px;
        }
        .footer-col ul li {
            margin-bottom: 10px;
        }
        .footer-col ul a {
            font-size: 14px;
            color: rgba(255, 255, 255, .65);
            transition: all .2s ease;
        }
        .footer-col ul a:hover {
            color: var(--color-accent);
            padding-left: 4px;
        }
        .footer-bottom {
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 12px;
            padding-top: 24px;
        }
        .footer-bottom p {
            font-size: 13px;
            color: rgba(255, 255, 255, .5);
        }
        .footer-bottom-right {
            display: flex;
            gap: 16px;
        }
        .footer-bottom-right a {
            font-size: 13px;
            color: rgba(255, 255, 255, .5);
            transition: color .2s ease;
        }
        .footer-bottom-right a:hover {
            color: var(--color-accent);
        }
        .footer-compliance {
            margin-top: 8px;
            font-size: 12px;
            color: rgba(255, 255, 255, .4);
        }

        /* ===== Responsive ===== */
        @media (max-width: 992px) {
            .feature-grid,
            .scenario-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .process-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .process-num::after {
                display: none;
            }
            .content-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .hero-content {
                grid-template-columns: 1fr;
                gap: 32px;
            }
            .hero-info {
                justify-content: flex-start;
            }
            .info-card {
                max-width: 100%;
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
            }
        }
        @media (max-width: 768px) {
            :root {
                --spacing-section: 72px;
            }
            .main-nav {
                position: fixed;
                top: 88px;
                left: 24px;
                right: 24px;
                background: var(--color-surface);
                border-radius: var(--radius-card);
                border: 1px solid var(--color-border);
                box-shadow: var(--shadow-hover);
                flex-direction: column;
                align-items: stretch;
                padding: 16px;
                gap: 8px;
                display: none;
            }
            .main-nav.open {
                display: flex;
            }
            .nav-item {
                width: 100%;
                justify-content: flex-start;
                padding: 14px 16px;
            }
            .menu-toggle {
                display: flex;
            }
            .header-actions .btn {
                display: none;
            }
            .hero {
                padding: 64px 0 48px;
            }
            .hero h1 {
                font-size: 30px;
            }
            .section-head h2 {
                font-size: 24px;
            }
            .cta-content h2 {
                font-size: 26px;
            }
        }
        @media (max-width: 576px) {
            :root {
                --spacing-section: 56px;
            }
            .container {
                padding: 0 16px;
            }
            .site-header {
                padding: 0 16px;
            }
            .header-inner {
                padding: 0 16px;
                height: 60px;
            }
            .logo-text {
                font-size: 16px;
            }
            .logo-sub {
                font-size: 10px;
                padding: 2px 6px;
            }
            .main-nav {
                left: 16px;
                right: 16px;
            }
            .hero h1 {
                font-size: 28px;
            }
            .hero-desc {
                font-size: 15px;
            }
            .hero-actions .btn {
                width: 100%;
            }
            .feature-grid,
            .scenario-grid,
            .process-grid,
            .content-grid {
                grid-template-columns: 1fr;
            }
            .info-card {
                padding: 20px;
            }
            .card-body {
                padding: 20px;
            }
            .faq-question {
                padding: 14px 16px;
            }
            .faq-answer-inner {
                padding: 12px 16px 16px;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 32px;
            }
            .footer-bottom {
                flex-direction: column;
                text-align: center;
            }
            .cta-content h2 {
                font-size: 24px;
            }
            .cta-actions .btn {
                width: 100%;
            }
        }