/* roulang page: index */
:root{
    --primary:#1E6B4E;
    --primary-hover:#17543D;
    --accent:#E8603A;
    --accent-hover:#C94A28;
    --bg:#F7F4EE;
    --dark:#142A22;
    --text:#2E2E2E;
    --text-light:#6E6E6E;
    --border:#E3DED4;
    --highlight:#F2B705;
    --radius-lg:16px;
    --radius-md:8px;
    --shadow-sm:0 1px 2px rgba(20,42,34,.04),0 1px 6px rgba(20,42,34,.06);
    --shadow-hover:0 8px 24px rgba(20,42,34,.10);
}
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{
    font-family:"PingFang SC","Microsoft YaHei","Noto Sans SC",sans-serif;
    background:var(--bg);
    color:var(--text);
    line-height:1.7;
    -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block}
a{text-decoration:none;color:inherit;transition:color .2s}
button{font-family:inherit;border:none;background:none;cursor:pointer}
input{font-family:inherit}
.container{max-width:1200px;margin:0 auto;padding:0 20px}
.hero{position:relative;min-height:560px;display:flex;align-items:center;overflow:hidden}
.hero .bg{position:absolute;inset:0;background-size:cover;background-position:center}
.hero .overlay{position:absolute;inset:0;background:linear-gradient(90deg,rgba(20,42,34,.92) 0%,rgba(20,42,34,.75) 45%,rgba(20,42,34,.35) 100%)}
.hero-content{position:relative;z-index:2;max-width:680px}
.hero-badge{
    display:inline-flex;align-items:center;gap:6px;
    background:rgba(255,255,255,.12);
    border:1px solid rgba(255,255,255,.2);
    color:#fff;font-size:.8rem;letter-spacing:.08em;
    padding:6px 14px;border-radius:999px;margin-bottom:20px;
}
.hero h1{
    font-size:3.5rem;font-weight:800;line-height:1.2;color:#fff;
    margin-bottom:18px;letter-spacing:.01em;
}
.hero-sub{
    font-size:1.1rem;color:rgba(255,255,255,.85);
    line-height:1.7;margin-bottom:28px;max-width:520px;
}
.hero-actions{display:flex;gap:16px;flex-wrap:wrap}
.btn-primary{
    display:inline-flex;align-items:center;justify-content:center;
    background:var(--primary);color:#fff;padding:12px 28px;
    border-radius:var(--radius-md);font-weight:600;font-size:.95rem;
    transition:all .2s;border:1px solid var(--primary);
}
.btn-primary:hover{background:var(--primary-hover);border-color:var(--primary-hover);transform:translateY(-1px);box-shadow:var(--shadow-hover)}
.btn-primary:focus-visible{outline:2px solid var(--primary);outline-offset:2px}
.btn-outline{
    display:inline-flex;align-items:center;justify-content:center;
    background:transparent;color:#fff;padding:12px 28px;
    border-radius:var(--radius-md);font-weight:600;font-size:.95rem;
    border:1px solid rgba(255,255,255,.5);transition:all .2s;
}
.btn-outline:hover{background:rgba(255,255,255,.12);border-color:#fff}
.btn-outline:focus-visible{outline:2px solid rgba(255,255,255,.7);outline-offset:2px}
.btn-accent{
    display:inline-flex;align-items:center;gap:6px;
    background:var(--accent);color:#fff;padding:10px 24px;
    border-radius:var(--radius-md);font-weight:600;font-size:.9rem;
    transition:all .2s;
}
.btn-accent:hover{background:var(--accent-hover);transform:translateY(-1px)}
.btn-accent i{transition:transform .2s}
.btn-accent:hover i{transform:translateX(4px)}
.stats-bar{
    background:#fff;border:1px solid var(--border);
    border-radius:var(--radius-lg);box-shadow:var(--shadow-sm);
    margin-top:-40px;position:relative;z-index:5;
    display:grid;grid-template-columns:repeat(4,1fr);
}
.stat-item{padding:24px 20px;text-align:center;position:relative}
.stat-item+.stat-item::before{
    content:"";position:absolute;left:0;top:20%;bottom:20%;
    width:1px;background:var(--border);
}
.stat-num{font-size:1.8rem;font-weight:800;color:var(--primary);font-variant-numeric:tabular-nums}
.stat-label{font-size:.8rem;color:var(--text-light);margin-top:4px}
.section{padding:80px 0}
.section-title{
    font-size:2rem;font-weight:800;color:var(--text);line-height:1.25;
    padding-left:16px;border-left:4px solid var(--primary);margin-bottom:12px;
}
.section-sub{color:var(--text-light);font-size:.95rem;margin-bottom:40px}
.steps-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;margin-top:40px}
.step-card{
    border-radius:var(--radius-lg);padding:32px 24px;border:1px solid var(--border);
    background:#fff;box-shadow:var(--shadow-sm);transition:all .2s;position:relative;
}
.step-card:nth-child(1){border-top:3px solid var(--primary)}
.step-card:nth-child(2){border-top:3px solid var(--accent)}
.step-card:nth-child(3){border-top:3px solid var(--highlight)}
.step-card:hover{box-shadow:var(--shadow-hover);transform:translateY(-2px)}
.step-num{
    width:44px;height:44px;border-radius:50%;
    display:flex;align-items:center;justify-content:center;
    font-weight:800;font-size:1.2rem;color:#fff;margin-bottom:18px;
}
.step-card:nth-child(1) .step-num{background:var(--primary)}
.step-card:nth-child(2) .step-num{background:var(--accent)}
.step-card:nth-child(3) .step-num{background:var(--highlight);color:#142A22}
.step-card h3{font-size:1.15rem;font-weight:700;margin-bottom:10px}
.step-card p{font-size:.9rem;color:var(--text-light);line-height:1.7}
.rewards-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:24px;margin-top:40px}
.reward-card{
    border-radius:var(--radius-lg);overflow:hidden;
    border:1px solid var(--border);background:#fff;
    box-shadow:var(--shadow-sm);transition:all .2s;position:relative;
    display:flex;
}
.reward-card:hover{box-shadow:var(--shadow-hover);transform:translateY(-2px);border-color:var(--primary)}
.reward-icon{
    width:72px;min-width:72px;display:flex;align-items:center;justify-content:center;
    font-size:1.8rem;color:var(--primary);background:rgba(30,107,78,.08);
}
.reward-body{padding:20px 16px;flex:1}
.reward-body h3{font-size:1.05rem;font-weight:700;margin-bottom:6px}
.reward-body p{font-size:.85rem;color:var(--text-light);line-height:1.6}
.progress-section{
    background:var(--dark);border-radius:0;padding:80px 0;
    position:relative;overflow:hidden;
}
.progress-section::after{
    content:"";position:absolute;right:-60px;top:-60px;
    width:240px;height:240px;border-radius:50%;
    border:2px solid rgba(242,183,5,.15);
}
.progress-label{color:rgba(255,255,255,.6);font-size:.85rem;letter-spacing:.08em;text-transform:uppercase}
.progress-header{display:flex;align-items:center;gap:20px;margin-top:12px}
.progress-track{
    flex:1;height:10px;background:#2A3B33;border-radius:999px;
    overflow:hidden;
}
.progress-bar{
    height:100%;background:linear-gradient(90deg,var(--highlight),var(--primary));
    border-radius:999px;transition:width 1s ease;
}
.progress-num{color:var(--highlight);font-weight:800;font-size:2rem;font-variant-numeric:tabular-nums}
.progress-info{
    display:grid;grid-template-columns:1fr 1fr;gap:40px;margin-top:40px;
    align-items:center;
}
.progress-status p{color:rgba(255,255,255,.75)}
.progress-status span{color:rgba(255,255,255,.45);font-size:.85rem}
.progress-action{text-align:right}
.info-list{margin-top:40px;display:flex;flex-direction:column;gap:16px}
.info-card{
    display:flex;background:#fff;border:1px solid var(--border);
    border-radius:var(--radius-lg);overflow:hidden;box-shadow:var(--shadow-sm);
    transition:all .2s;
}
.info-card:hover{box-shadow:var(--shadow-hover);border-color:var(--primary);transform:translateY(-2px)}
.info-thumb{width:160px;min-width:160px;height:100px;background:var(--bg)}
.info-thumb img{width:100%;height:100%;object-fit:cover}
.info-content{flex:1;padding:16px 20px;display:flex;flex-direction:column;justify-content:center}
.info-content h3{font-size:1rem;font-weight:700;margin-bottom:6px;line-height:1.4;display:-webkit-box;-webkit-line-clamp:1;-webkit-box-orient:vertical;overflow:hidden}
.info-content p{font-size:.85rem;color:var(--text-light);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;line-height:1.6}
.info-meta{display:flex;align-items:center;gap:12px;margin-top:10px;font-size:.78rem;color:var(--text-light)}
.info-meta .tag{
    display:inline-block;background:rgba(30,107,78,.1);color:var(--primary);
    padding:2px 10px;border-radius:4px;font-size:.75rem;font-weight:600;
}
.info-meta time{font-variant-numeric:tabular-nums}
.empty-tip{
    text-align:center;padding:40px 20px;color:var(--text-light);
    background:#fff;border:1px dashed var(--border);border-radius:var(--radius-lg);
    font-size:.95rem;
}
.faq-list{max-width:800px;margin:40px auto 0}
.faq-item{
    border:1px solid var(--border);border-radius:var(--radius-md);
    margin-bottom:12px;background:#fff;overflow:hidden;
    transition:border-color .2s;
}
.faq-item.active{border-color:var(--primary)}
.faq-q{
    width:100%;display:flex;justify-content:space-between;align-items:center;
    padding:18px 22px;text-align:left;font-size:1rem;font-weight:600;color:var(--text);
    transition:background .2s;
}
.faq-q:hover{background:rgba(30,107,78,.03)}
.faq-item.active .faq-q{color:var(--primary)}
.faq-icon{
    width:24px;height:24px;border-radius:50%;border:1px solid var(--border);
    display:flex;align-items:center;justify-content:center;font-size:.8rem;
    transition:all .2s;flex-shrink:0;
}
.faq-item.active .faq-icon{transform:rotate(45deg);border-color:var(--primary);color:var(--primary)}
.faq-a{max-height:0;overflow:hidden;transition:max-height .3s ease}
.faq-item.active .faq-a{max-height:400px}
.faq-a-inner{padding:0 22px 18px;font-size:.9rem;color:var(--text-light);line-height:1.7}
.cta-section{background:var(--dark);position:relative;overflow:hidden;padding:80px 0}
.cta-section::before{
    content:"";position:absolute;left:-40px;bottom:-40px;
    width:300px;height:200px;border-radius:50%;
    border:2px solid rgba(232,96,58,.12);
}
.cta-inner{position:relative;z-index:2;text-align:center;max-width:600px;margin:0 auto}
.cta-inner h2{font-size:2.2rem;font-weight:800;color:#fff;margin-bottom:14px}
.cta-inner p{color:rgba(255,255,255,.65);font-size:1rem;margin-bottom:28px}
.footer{background:var(--dark);color:rgba(255,255,255,.7);padding:60px 0 24px}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:40px;margin-bottom:48px}
.footer-brand .logo{color:#fff;font-size:1.3rem;font-weight:800;margin-bottom:14px;display:inline-block}
.footer-brand p{font-size:.85rem;line-height:1.7;color:rgba(255,255,255,.55)}
.footer h4{color:#fff;font-size:.95rem;font-weight:600;margin-bottom:16px}
.footer-links{list-style:none}
.footer-links li{margin-bottom:10px}
.footer-links a{font-size:.85rem;color:rgba(255,255,255,.55);transition:all .2s}
.footer-links a:hover{color:var(--highlight);padding-left:4px}
.footer-bottom{
    border-top:1px solid rgba(255,255,255,.1);
    padding-top:24px;display:flex;justify-content:space-between;
    align-items:center;flex-wrap:wrap;gap:8px;
    font-size:.78rem;color:rgba(255,255,255,.4);
}
.search-wrap{display:flex;align-items:center;background:rgba(255,255,255,.08);border-radius:6px;overflow:hidden}
.search-wrap input{
    background:transparent;border:none;outline:none;
    padding:6px 12px;font-size:.8rem;width:200px;color:#fff;
}
.search-wrap input::placeholder{color:rgba(255,255,255,.35)}
.search-wrap button{padding:6px 12px;color:rgba(255,255,255,.6);transition:color .2s}
.search-wrap button:hover{color:var(--highlight)}
.hot-tags{display:flex;align-items:center;gap:6px;font-size:.75rem;color:rgba(255,255,255,.5)}
.hot-tags a{padding:2px 8px;background:rgba(255,255,255,.08);border-radius:4px;font-size:.72rem}
.hot-tags a:hover{background:var(--primary);color:#fff}
@media(max-width:1024px){
    .hero h1{font-size:3rem}
    .stats-bar{grid-template-columns:repeat(2,1fr)}
    .stat-item+.stat-item::before{display:none}
    .footer-grid{grid-template-columns:1fr 1fr}
}
@media(max-width:768px){
    .hero{min-height:380px}
    .hero h1{font-size:2.75rem;max-width:80%}
    .hero-sub{font-size:.95rem}
    .section{padding:48px 0}
    .steps-grid,.rewards-grid{grid-template-columns:1fr}
    .section-title{font-size:1.5rem}
    .progress-info{grid-template-columns:1fr;gap:20px}
    .progress-action{text-align:left}
    .info-card{flex-direction:column}
    .info-thumb{width:100%;height:140px}
    .footer-grid{grid-template-columns:1fr 1fr;gap:24px}
    .footer-bottom{flex-direction:column;text-align:center}
    .nav-channels{flex-wrap:nowrap;overflow-x:auto}
    .nav-hot{display:none}
}
@media(max-width:640px){
    .stats-bar{grid-template-columns:repeat(2,1fr)}
    .hero h1{font-size:2.2rem}
    .hero-actions{flex-direction:column;align-items:stretch}
    .hero-actions a{text-align:center}
    .footer-grid{grid-template-columns:1fr}
    .search-wrap{display:none}
}
@media(max-width:520px){
    .container{padding:0 16px}
    .hero h1{font-size:2rem;max-width:90%}
    .stat-num{font-size:1.4rem}
    .reward-card{flex-direction:row}
    .reward-icon{width:56px;min-width:56px}
    .info-content h3{font-size:.95rem}
}

/* roulang page: category1 */
:root {
        --primary: #1E6B4E;
        --primary-hover: #17543D;
        --accent: #E8603A;
        --accent-hover: #C94A28;
        --bg: #F7F4EE;
        --dark: #142A22;
        --text: #2E2E2E;
        --muted: #6E6E6E;
        --border: #E3DED4;
        --highlight: #F2B705;
        --radius-lg: 16px;
        --radius-md: 8px;
        --shadow-sm: 0 1px 2px rgba(20,42,34,.04), 0 1px 6px rgba(20,42,34,.06);
        --shadow-hover: 0 8px 24px rgba(20,42,34,.10);
        --font-sans: "PingFang SC", "Microsoft YaHei", "Noto Sans SC", sans-serif;
    }

    * { box-sizing: border-box; margin: 0; padding: 0; }
    html { scroll-behavior: smooth; }
    body {
        font-family: var(--font-sans);
        background: var(--bg);
        color: var(--text);
        line-height: 1.7;
        -webkit-font-smoothing: antialiased;
    }
    a { text-decoration: none; color: inherit; }
    img { max-width: 100%; display: block; }
    button { cursor: pointer; border: none; background: none; font-family: inherit; }
    input:focus { outline: none; }

    .container { max-width: 1200px; margin: 0 auto; padding: 0 24px; }
    .section-pad { padding: 80px 0; }
    .section-title {
        font-size: 2rem;
        font-weight: 800;
        line-height: 1.25;
        color: var(--text);
        margin-bottom: 16px;
        position: relative;
        padding-left: 18px;
    }
    .section-title::before {
        content: "";
        position: absolute;
        left: 0;
        top: 6px;
        bottom: 6px;
        width: 5px;
        border-radius: 3px;
        background: var(--primary);
    }
    .section-sub { color: var(--muted); font-size: .95rem; margin-bottom: 40px; max-width: 720px; }
    .eyebrow {
        display: inline-flex;
        align-items: center;
        gap: 6px;
        background: rgba(30,107,78,.08);
        color: var(--primary);
        font-size: .78rem;
        font-weight: 600;
        letter-spacing: .08em;
        padding: 6px 14px;
        border-radius: 999px;
        margin-bottom: 18px;
    }

    /* 按钮 */
    .btn-primary {
        display: inline-flex;
        align-items: center;
        justify-content: center;
        gap: 8px;
        background: var(--primary);
        color: #fff;
        font-weight: 600;
        font-size: .95rem;
        padding: 12px 28px;
        border-radius: var(--radius-md);
        transition: all .2s ease;
        border: 1px solid var(--primary);
    }
    .btn-primary:hover { background: var(--primary-hover); border-color: var(--primary-hover); transform: translateY(-1px); box-shadow: var(--shadow-hover); }
    .btn-primary:focus-visible { outline: 2px solid var(--primary); outline-offset: 2px; }
    .btn-secondary {
        display: inline-flex;
        align-items: center;
        justify-content: center;
        gap: 8px;
        background: transparent;
        color: var(--primary);
        font-weight: 600;
        font-size: .95rem;
        padding: 12px 28px;
        border-radius: var(--radius-md);
        border: 1px solid var(--primary);
        transition: all .2s ease;
    }
    .btn-secondary:hover { background: rgba(30,107,78,.08); }
    .btn-accent {
        display: inline-flex;
        align-items: center;
        justify-content: center;
        gap: 8px;
        background: var(--accent);
        color: #fff;
        font-weight: 700;
        font-size: 1rem;
        padding: 14px 36px;
        border-radius: var(--radius-md);
        transition: all .2s ease;
        border: 1px solid var(--accent);
    }
    .btn-accent:hover { background: var(--accent-hover); border-color: var(--accent-hover); transform: translateY(-1px); box-shadow: 0 8px 24px rgba(232,96,58,.25); }
    .btn-accent .arrow { transition: transform .2s ease; }
    .btn-accent:hover .arrow { transform: translateX(4px); }

    /* 吸顶导航 */
    .site-header {
        position: sticky;
        top: 0;
        z-index: 100;
        background: rgba(255,255,255,.96);
        backdrop-filter: blur(10px);
        -webkit-backdrop-filter: blur(10px);
        box-shadow: var(--shadow-sm);
        border-bottom: 1px solid var(--border);
        transition: box-shadow .3s ease;
    }
    .site-header.scrolled {
        background: rgba(20,42,34,.95);
        box-shadow: 0 4px 20px rgba(20,42,34,.15);
        border-top: 4px solid var(--primary);
    }
    .site-header.scrolled .logo { color: #fff; }
    .site-header.scrolled .header-top input[type="text"] {
        background: rgba(255,255,255,.08);
        border-color: rgba(255,255,255,.18);
        color: #fff;
    }
    .site-header.scrolled .header-top input[type="text"]::placeholder { color: rgba(255,255,255,.5); }
    .site-header.scrolled .header-top .search-btn { color: rgba(255,255,255,.8); }
    .site-header.scrolled .hot-link { color: rgba(255,255,255,.55); border-color: rgba(255,255,255,.2); }
    .site-header.scrolled .nav-channels { background: transparent; border-bottom-color: rgba(255,255,255,.06); }
    .site-header.scrolled .nav-channels .nav-link { color: rgba(255,255,255,.85); }
    .site-header.scrolled .nav-channels .nav-link.active { color: #fff; border-bottom-color: var(--primary); }
    .site-header.scrolled .nav-channels .nav-link:hover { color: #fff; border-bottom-color: var(--accent); }
    .site-header.scrolled .mobile-menu-btn { color: #fff; }

    .header-top {
        border-bottom: 1px solid rgba(227,222,212,.5);
        padding: 10px 0;
    }
    .logo {
        font-size: 1.35rem;
        font-weight: 800;
        color: var(--primary);
        letter-spacing: -.01em;
        transition: color .3s ease;
        white-space: nowrap;
    }
    .logo i { color: var(--accent); margin-right: 4px; }
    .search-box { display: flex; align-items: center; background: #fff; border: 1px solid var(--border); border-radius: var(--radius-md); padding: 0 8px 0 14px; height: 38px; width: 260px; transition: border-color .2s; }
    .search-box:focus-within { border-color: var(--primary); box-shadow: 0 0 0 3px rgba(30,107,78,.12); }
    .search-box input { flex: 1; border: none; background: transparent; font-size: .85rem; color: var(--text); }
    .search-box .search-btn { color: var(--muted); padding: 0 4px; font-size: .85rem; transition: color .2s; }
    .search-box .search-btn:hover { color: var(--primary); }
    .hot-link {
        font-size: .78rem;
        color: var(--muted);
        border: 1px solid var(--border);
        border-radius: 999px;
        padding: 3px 12px;
        transition: all .2s;
        white-space: nowrap;
    }
    .hot-link:hover { color: var(--primary); border-color: var(--primary); background: rgba(30,107,78,.05); }
    .mobile-menu-btn { font-size: 1.2rem; color: var(--text); padding: 6px 10px; }

    .nav-channels { border-bottom: 1px solid var(--border); background: rgba(255,255,255,.6); transition: background .3s ease; }
    .nav-channels .nav-link { border-bottom: 2px solid transparent; transition: all .2s; }
    .nav-channels .nav-link.active { color: var(--primary); border-bottom-color: var(--primary); font-weight: 600; }
    .nav-channels .nav-link:not(.active):hover { color: var(--primary); border-bottom-color: rgba(30,107,78,.3); }

    /* 移动端抽屉 */
    .mobile-drawer {
        position: fixed;
        top: 0;
        right: -280px;
        width: 280px;
        height: 100vh;
        background: var(--dark);
        z-index: 200;
        transition: right .3s ease;
        padding: 24px;
        display: flex;
        flex-direction: column;
        gap: 8px;
    }
    .mobile-drawer.open { right: 0; }
    .drawer-overlay {
        position: fixed;
        inset: 0;
        background: rgba(20,42,34,.5);
        z-index: 150;
        opacity: 0;
        visibility: hidden;
        transition: opacity .3s, visibility .3s;
    }
    .drawer-overlay.open { opacity: 1; visibility: visible; }
    .mobile-drawer a {
        color: rgba(255,255,255,.85);
        font-size: 1rem;
        font-weight: 500;
        padding: 12px 16px;
        border-radius: var(--radius-md);
        border-left: 3px solid transparent;
        transition: all .2s;
    }
    .mobile-drawer a:hover { background: rgba(255,255,255,.08); border-left-color: var(--accent); }
    .mobile-drawer a.active { color: #fff; border-left-color: var(--primary); background: rgba(30,107,78,.3); }
    .mobile-drawer .close-btn { align-self: flex-end; color: rgba(255,255,255,.7); font-size: 1.4rem; padding: 8px; }

    /* Hero 分类页1 */
    .hero-cat1 {
        background: linear-gradient(135deg, rgba(30,107,78,.06) 0%, var(--bg) 60%);
        border-bottom: 1px solid var(--border);
        padding: 72px 0 64px;
        position: relative;
        overflow: hidden;
    }
    .hero-cat1::before {
        content: "";
        position: absolute;
        width: 420px;
        height: 420px;
        border-radius: 50%;
        background: rgba(30,107,78,.05);
        top: -80px;
        right: -80px;
        pointer-events: none;
    }
    .hero-cat1-grid {
        display: grid;
        grid-template-columns: 1.1fr .9fr;
        gap: 56px;
        align-items: center;
        position: relative;
        z-index: 1;
    }
    .hero-cat1 h1 {
        font-size: 3.2rem;
        font-weight: 800;
        line-height: 1.2;
        margin-bottom: 20px;
        letter-spacing: -.02em;
        color: var(--text);
    }
    .hero-cat1 h1 span { color: var(--primary); }
    .hero-cat1-desc {
        color: var(--muted);
        font-size: 1.05rem;
        line-height: 1.8;
        margin-bottom: 28px;
        max-width: 520px;
    }
    .hero-actions { display: flex; gap: 16px; flex-wrap: wrap; margin-bottom: 40px; }
    .hero-stats {
        display: flex;
        gap: 40px;
        border-top: 1px solid var(--border);
        padding-top: 24px;
        max-width: 480px;
    }
    .hero-stats strong {
        font-size: 1.8rem;
        font-weight: 800;
        color: var(--primary);
        font-variant-numeric: tabular-nums;
        line-height: 1.2;
        display: block;
    }
    .hero-stats span { font-size: .8rem; color: var(--muted); }
    .hero-cat1-image {
        border-radius: var(--radius-lg);
        overflow: hidden;
        box-shadow: 0 20px 50px rgba(20,42,34,.14);
        position: relative;
    }
    .hero-cat1-image img { width: 100%; height: 420px; object-fit: cover; }
    .hero-cat1-image::after {
        content: "";
        position: absolute;
        inset: 0;
        background: linear-gradient(to top, rgba(20,42,34,.25), transparent 50%);
        pointer-events: none;
    }
    .img-tag {
        position: absolute;
        bottom: 20px;
        left: 20px;
        z-index: 1;
        background: rgba(255,255,255,.92);
        backdrop-filter: blur(4px);
        color: var(--primary);
        font-size: .78rem;
        font-weight: 600;
        padding: 6px 16px;
        border-radius: 999px;
        box-shadow: var(--shadow-sm);
    }

    /* 条列式内容 */
    .list-section {
        padding: 80px 0 64px;
        background: #fff;
        border-bottom: 1px solid var(--border);
    }
    .list-grid {
        display: grid;
        grid-template-columns: .85fr 1.15fr;
        gap: 56px;
        align-items: center;
    }
    .list-image { border-radius: var(--radius-lg); overflow: hidden; box-shadow: var(--shadow-sm); }
    .list-image img { width: 100%; height: 380px; object-fit: cover; }
    .list-items { display: flex; flex-direction: column; gap: 0; }
    .list-item {
        display: flex;
        gap: 20px;
        padding: 24px 0;
        border-bottom: 1px solid var(--border);
        transition: background .2s;
    }
    .list-item:last-child { border-bottom: none; }
    .list-item .num {
        flex-shrink: 0;
        width: 44px;
        height: 44px;
        border-radius: 50%;
        display: flex;
        align-items: center;
        justify-content: center;
        font-weight: 800;
        font-size: 1.05rem;
        background: rgba(30,107,78,.1);
        color: var(--primary);
        border: 1px solid rgba(30,107,78,.15);
    }
    .list-item:nth-child(2) .num { background: rgba(232,96,58,.1); color: var(--accent); border-color: rgba(232,96,58,.2); }
    .list-item:nth-child(3) .num { background: rgba(242,183,5,.12); color: #C9900A; border-color: rgba(242,183,5,.25); }
    .list-item:nth-child(4) .num { background: rgba(30,107,78,.14); color: var(--primary-hover); border-color: rgba(30,107,78,.2); }
    .list-item h3 { font-size: 1.15rem; font-weight: 600; margin-bottom: 6px; }
    .list-item p { color: var(--muted); font-size: .9rem; line-height: 1.7; }

    /* 覆盖范围 2×2 */
    .coverage-section { padding: 80px 0; background: var(--bg); }
    .coverage-grid {
        display: grid;
        grid-template-columns: 1fr 1fr;
        gap: 24px;
    }
    .coverage-card {
        border-radius: var(--radius-lg);
        padding: 32px;
        border: 1px solid var(--border);
        box-shadow: var(--shadow-sm);
        transition: all .25s ease;
        position: relative;
        overflow: hidden;
    }
    .coverage-card:hover { box-shadow: var(--shadow-hover); transform: translateY(-2px); border-color: var(--primary); }
    .coverage-card .icon {
        width: 52px;
        height: 52px;
        border-radius: 12px;
        display: flex;
        align-items: center;
        justify-content: center;
        font-size: 1.4rem;
        margin-bottom: 20px;
    }
    .coverage-card h3 { font-size: 1.2rem; font-weight: 700; margin-bottom: 10px; }
    .coverage-card p { color: var(--muted); font-size: .9rem; line-height: 1.7; }
    .coverage-card .tag-row { display: flex; gap: 8px; flex-wrap: wrap; margin-top: 16px; }
    .coverage-card .chip {
        font-size: .75rem;
        color: var(--muted);
        background: rgba(255,255,255,.7);
        border: 1px solid var(--border);
        border-radius: 999px;
        padding: 2px 10px;
    }
    .cc1 { background: #F0F7F3; }
    .cc2 { background: #FEF3EE; }
    .cc3 { background: #FCF8E8; }
    .cc4 { background: #F3F1EE; }
    .cc1 .icon { background: rgba(30,107,78,.12); color: var(--primary); }
    .cc2 .icon { background: rgba(232,96,58,.12); color: var(--accent); }
    .cc3 .icon { background: rgba(242,183,5,.15); color: #C9900A; }
    .cc4 .icon { background: rgba(20,42,34,.08); color: var(--dark); }

    /* 时间线 */
    .timeline-section {
        padding: 80px 0;
        background: var(--dark);
        color: #fff;
        position: relative;
        overflow: hidden;
    }
    .timeline-section::before {
        content: "";
        position: absolute;
        width: 300px;
        height: 300px;
        border-radius: 50%;
        border: 60px solid rgba(255,255,255,.02);
        bottom: -80px;
        right: -60px;
        pointer-events: none;
    }
    .timeline-section .section-title { color: #fff; }
    .timeline-section .section-title::before { background: var(--accent); }
    .timeline-section .section-sub { color: rgba(255,255,255,.55); }
    .timeline-wrap { display: grid; grid-template-columns: repeat(4, 1fr); gap: 32px; position: relative; z-index: 1; margin-top: 48px; }
    .tl-step { position: relative; padding-top: 44px; border-top: 3px solid rgba(255,255,255,.15); }
    .tl-step::before {
        content: "";
        position: absolute;
        top: -7px;
        left: 0;
        width: 13px;
        height: 13px;
        border-radius: 50%;
        background: var(--accent);
        border: 3px solid var(--dark);
        box-shadow: 0 0 0 3px rgba(232,96,58,.3);
    }
    .tl-step .step-num { font-size: .8rem; font-weight: 700; color: var(--accent); letter-spacing: .08em; text-transform: uppercase; }
    .tl-step h3 { font-size: 1.1rem; font-weight: 600; margin: 10px 0 8px; }
    .tl-step p { font-size: .85rem; color: rgba(255,255,255,.55); line-height: 1.7; }

    /* 互链位 */
    .related-section { padding: 80px 0; background: #fff; }
    .related-cards { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
    .related-card {
        border-radius: var(--radius-lg);
        padding: 36px 32px;
        border: 1px solid var(--border);
        transition: all .25s ease;
        display: flex;
        flex-direction: column;
        gap: 14px;
        box-shadow: var(--shadow-sm);
        position: relative;
        overflow: hidden;
    }
    .related-card:hover { box-shadow: var(--shadow-hover); transform: translateY(-3px); }
    .related-card .card-icon { font-size: 1.6rem; width: 56px; height: 56px; border-radius: 12px; display: flex; align-items: center; justify-content: center; }
    .related-card h3 { font-size: 1.15rem; font-weight: 700; }
    .related-card p { color: var(--muted); font-size: .88rem; line-height: 1.7; flex: 1; }
    .related-card .card-link {
        display: inline-flex;
        align-items: center;
        gap: 6px;
        font-size: .88rem;
        font-weight: 600;
        color: var(--primary);
        transition: gap .2s;
    }
    .related-card .card-link:hover { gap: 10px; }
    .rc1 { background: linear-gradient(135deg, #F0F7F3 0%, #fff 60%); }
    .rc2 { background: linear-gradient(135deg, #FEF3EE 0%, #fff 60%); }
    .rc3 { background: linear-gradient(135deg, #FCF8E8 0%, #fff 60%); }
    .rc1 .card-icon { background: rgba(30,107,78,.12); color: var(--primary); }
    .rc2 .card-icon { background: rgba(232,96,58,.12); color: var(--accent); }
    .rc3 .card-icon { background: rgba(242,183,5,.15); color: #C9900A; }

    /* FAQ */
    .faq-section { padding: 80px 0; background: var(--bg); }
    .faq-list { max-width: 840px; margin: 0 auto; }
    .faq-item {
        background: #fff;
        border: 1px solid var(--border);
        border-radius: var(--radius-md);
        margin-bottom: 14px;
        overflow: hidden;
        transition: all .25s ease;
    }
    .faq-item.open { border-color: var(--primary); box-shadow: var(--shadow-sm); }
    .faq-item .faq-q {
        width: 100%;
        display: flex;
        align-items: center;
        justify-content: space-between;
        gap: 16px;
        padding: 20px 24px;
        text-align: left;
        font-size: 1rem;
        font-weight: 600;
        color: var(--text);
        transition: background .2s;
    }
    .faq-item .faq-q:hover { background: rgba(30,107,78,.02); }
    .faq-item .faq-icon {
        flex-shrink: 0;
        width: 26px;
        height: 26px;
        border-radius: 50%;
        display: flex;
        align-items: center;
        justify-content: center;
        font-size: .9rem;
        color: var(--primary);
        background: rgba(30,107,78,.08);
        transition: transform .3s ease;
    }
    .faq-item.open .faq-icon { transform: rotate(45deg); background: rgba(30,107,78,.12); }
    .faq-item .faq-a {
        max-height: 0;
        overflow: hidden;
        transition: max-height .35s ease;
    }
    .faq-item.open .faq-a { max-height: 320px; }
    .faq-item .faq-a-inner {
        padding: 0 24px 22px;
        color: var(--muted);
        font-size: .9rem;
        line-height: 1.8;
    }

    /* CTA */
    .cta-section {
        padding: 80px 0;
        background: url('/assets/images/backpic/back-2.webp') center/cover no-repeat;
        position: relative;
        border-top: 1px solid var(--border);
    }
    .cta-section::before {
        content: "";
        position: absolute;
        inset: 0;
        background: linear-gradient(135deg, rgba(20,42,34,.96) 0%, rgba(30,107,78,.88) 100%);
    }
    .cta-inner {
        position: relative;
        z-index: 1;
        text-align: center;
        color: #fff;
        max-width: 720px;
        margin: 0 auto;
    }
    .cta-inner h2 {
        font-size: 2.2rem;
        font-weight: 800;
        margin-bottom: 16px;
        line-height: 1.3;
    }
    .cta-inner p { color: rgba(255,255,255,.7); font-size: 1rem; margin-bottom: 32px; line-height: 1.8; }
    .cta-actions { display: flex; gap: 16px; justify-content: center; flex-wrap: wrap; }
    .cta-actions .btn-white {
        background: #fff;
        color: var(--primary);
        font-weight: 700;
        padding: 14px 36px;
        border-radius: var(--radius-md);
        transition: all .2s;
        display: inline-flex;
        align-items: center;
        gap: 8px;
    }
    .cta-actions .btn-white:hover { background: var(--highlight); transform: translateY(-1px); box-shadow: 0 8px 24px rgba(0,0,0,.2); }
    .cta-actions .btn-outline-white {
        background: transparent;
        color: #fff;
        font-weight: 600;
        padding: 14px 36px;
        border-radius: var(--radius-md);
        border: 1px solid rgba(255,255,255,.4);
        transition: all .2s;
        display: inline-flex;
        align-items: center;
        gap: 8px;
    }
    .cta-actions .btn-outline-white:hover { background: rgba(255,255,255,.1); border-color: #fff; }

    /* 页脚 */
    .footer {
        background: var(--dark);
        color: rgba(255,255,255,.7);
        padding: 64px 0 24px;
        border-top: 4px solid var(--primary);
    }
    .footer-grid {
        display: grid;
        grid-template-columns: 1.6fr 1fr 1fr 1.2fr;
        gap: 48px;
        padding-bottom: 40px;
        border-bottom: 1px solid rgba(255,255,255,.08);
        margin-bottom: 24px;
    }
    .footer .logo { color: #fff; font-size: 1.4rem; margin-bottom: 14px; display: inline-block; }
    .footer p { font-size: .85rem; line-height: 1.8; color: rgba(255,255,255,.45); max-width: 320px; }
    .footer h4 { color: #fff; font-size: .95rem; font-weight: 600; margin-bottom: 18px; }
    .footer-links { list-style: none; display: flex; flex-direction: column; gap: 10px; }
    .footer-links a {
        font-size: .85rem;
        color: rgba(255,255,255,.55);
        transition: color .2s, padding-left .2s;
    }
    .footer-links a:hover { color: var(--highlight); padding-left: 4px; }
    .footer-bottom {
        display: flex;
        justify-content: space-between;
        align-items: center;
        flex-wrap: wrap;
        gap: 12px;
        font-size: .78rem;
        color: rgba(255,255,255,.35);
    }

    /* 响应式 */
    @media (max-width: 1024px) {
        .hero-cat1-grid { grid-template-columns: 1fr; gap: 40px; }
        .hero-cat1 h1 { font-size: 2.6rem; }
        .hero-cat1-image img { height: 340px; }
        .list-grid { grid-template-columns: 1fr; gap: 40px; }
        .list-image img { height: 300px; }
        .timeline-wrap { grid-template-columns: repeat(2, 1fr); gap: 24px; }
        .footer-grid { grid-template-columns: 1fr 1fr; gap: 32px; }
    }
    @media (max-width: 768px) {
        .section-pad { padding: 48px 0; }
        .section-title { font-size: 1.6rem; }
        .hero-cat1 { padding: 48px 0; }
        .hero-cat1 h1 { font-size: 2.2rem; }
        .hero-stats { gap: 24px; flex-wrap: wrap; }
        .hero-stats strong { font-size: 1.4rem; }
        .coverage-grid { grid-template-columns: 1fr; }
        .related-cards { grid-template-columns: 1fr; }
        .timeline-wrap { grid-template-columns: 1fr; }
        .footer-grid { grid-template-columns: 1fr 1fr; gap: 24px; }
        .search-box { display: none; }
        .hot-links { display: none; }
    }
    @media (max-width: 520px) {
        .container { padding: 0 18px; }
        .hero-cat1 h1 { font-size: 1.8rem; }
        .hero-cat1-image img { height: 260px; }
        .hero-actions .btn-primary, .hero-actions .btn-secondary { width: 100%; }
        .list-item { gap: 14px; padding: 18px 0; }
        .list-item .num { width: 36px; height: 36px; font-size: .9rem; }
        .coverage-card { padding: 24px; }
        .related-card { padding: 24px; }
        .footer-grid { grid-template-columns: 1fr; gap: 24px; }
        .footer-bottom { flex-direction: column; text-align: center; }
        .cta-inner h2 { font-size: 1.6rem; }
    }

/* roulang page: article */
:root {
            --primary: #1E6B4E;
            --primary-hover: #17543D;
            --secondary: #E8603A;
            --secondary-hover: #C94A28;
            --accent: #F2B705;
            --dark: #142A22;
            --paper: #F7F4EE;
            --text: #2E2E2E;
            --muted: #6E6E6E;
            --border: #E3DED4;
            --radius-lg: 16px;
            --radius-md: 8px;
            --shadow: 0 1px 2px rgba(20, 42, 34, .04), 0 1px 6px rgba(20, 42, 34, .06);
            --shadow-hover: 0 8px 24px rgba(20, 42, 34, .10);
        }

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

        body {
            font-family: "PingFang SC", "Microsoft YaHei", "Noto Sans SC", sans-serif;
            background: var(--paper);
            color: var(--text);
            line-height: 1.7;
            -webkit-font-smoothing: antialiased;
        }

        img {
            max-width: 100%;
            display: block;
        }
        a {
            color: inherit;
            text-decoration: none;
        }
        button {
            cursor: pointer;
        }
        input,
        button {
            font: inherit;
        }

        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
        }

        /* ===== 导航 ===== */
        .nav-link {
            transition: color .2s ease, border-color .2s ease;
        }

        #siteHeader {
            transition: box-shadow .3s ease;
        }
        #siteHeader.scrolled {
            box-shadow: 0 4px 24px rgba(20, 42, 34, .15);
        }
        #siteHeader.scrolled .nav-channels {
            background: rgba(20, 42, 34, .95);
            backdrop-filter: blur(8px);
            border-bottom-color: transparent;
        }
        #siteHeader.scrolled .nav-channels .nav-link {
            color: rgba(255, 255, 255, .78) !important;
        }
        #siteHeader.scrolled .nav-channels .nav-link.active {
            color: #fff !important;
            border-bottom-color: var(--accent) !important;
        }
        #siteHeader.scrolled .nav-channels .nav-link:hover {
            color: #fff !important;
        }

        /* ===== 按钮 ===== */
        .btn-primary {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 6px;
            background: var(--primary);
            color: #fff;
            border-radius: 8px;
            padding: 10px 24px;
            font-weight: 600;
            font-size: .9375rem;
            border: none;
            transition: all .2s ease;
        }
        .btn-primary:hover {
            background: var(--primary-hover);
            transform: translateY(-1px);
            box-shadow: var(--shadow-hover);
        }
        .btn-primary:focus-visible {
            outline: 2px solid var(--primary);
            outline-offset: 2px;
        }

        .btn-secondary {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 6px;
            background: transparent;
            color: var(--primary);
            border: 1px solid var(--primary);
            border-radius: 8px;
            padding: 10px 24px;
            font-weight: 600;
            font-size: .9375rem;
            transition: all .2s ease;
        }
        .btn-secondary:hover {
            background: rgba(30, 107, 78, .08);
        }
        .btn-secondary:focus-visible {
            outline: 2px solid var(--primary);
            outline-offset: 2px;
        }

        .btn-cta {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: var(--secondary);
            color: #fff;
            border-radius: 8px;
            padding: 12px 30px;
            font-weight: 700;
            font-size: 1rem;
            border: none;
            transition: all .2s ease;
        }
        .btn-cta:hover {
            background: var(--secondary-hover);
            transform: translateY(-2px);
            box-shadow: var(--shadow-hover);
        }
        .btn-cta .arrow {
            transition: transform .2s ease;
        }
        .btn-cta:hover .arrow {
            transform: translateX(4px);
        }

        /* ===== 卡片 ===== */
        .card {
            background: #fff;
            border: 1px solid var(--border);
            border-radius: var(--radius-lg);
            transition: all .2s ease;
            overflow: hidden;
        }
        .card:hover {
            box-shadow: var(--shadow-hover);
            transform: translateY(-2px);
            border-color: var(--primary);
        }

        /* ===== 文章正文 ===== */
        .article-body {
            font-size: 1.0625rem;
            line-height: 1.85;
            color: var(--text);
        }
        .article-body>*+* {
            margin-top: 1.5em;
        }
        .article-body h2 {
            font-size: 1.55rem;
            font-weight: 700;
            line-height: 1.4;
            padding-left: .75rem;
            border-left: 4px solid var(--primary);
            margin: 2.5em 0 1em;
            color: var(--dark);
        }
        .article-body h3 {
            font-size: 1.2rem;
            font-weight: 600;
            line-height: 1.4;
            color: var(--primary);
            margin: 2em 0 .75em;
        }
        .article-body p {
            line-height: 1.85;
            margin-bottom: 1em;
        }
        .article-body ul,
        .article-body ol {
            padding-left: 1.5em;
            margin-bottom: 1em;
        }
        .article-body ul {
            list-style: disc;
        }
        .article-body ol {
            list-style: decimal;
        }
        .article-body li {
            margin-bottom: .5em;
            line-height: 1.8;
        }
        .article-body blockquote {
            border-left: 4px solid var(--secondary);
            background: rgba(232, 96, 58, .06);
            padding: 1rem 1.5rem;
            border-radius: 0 8px 8px 0;
            font-style: normal;
            color: #4a4a4a;
            margin: 1.5em 0;
        }
        .article-body img {
            border-radius: 12px;
            margin: 1.5em 0;
            box-shadow: var(--shadow);
        }
        .article-body a {
            color: var(--primary);
            text-decoration: underline;
            text-underline-offset: 2px;
        }
        .article-body a:hover {
            color: var(--primary-hover);
        }
        .article-body table {
            width: 100%;
            border-collapse: collapse;
            margin: 1.5em 0;
        }
        .article-body th,
        .article-body td {
            border: 1px solid var(--border);
            padding: .75rem 1rem;
            text-align: left;
        }
        .article-body th {
            background: rgba(30, 107, 78, .06);
            font-weight: 600;
        }

        /* ===== FAQ手风琴 ===== */
        .faq-item {
            border: 1px solid var(--border);
            border-radius: 12px;
            transition: border-color .2s ease, box-shadow .2s ease;
            background: #fff;
        }
        .faq-item[open] {
            border-color: var(--primary);
            box-shadow: var(--shadow);
        }
        .faq-item summary {
            cursor: pointer;
            list-style: none;
            display: flex;
            justify-content: space-between;
            align-items: center;
            padding: 16px 20px;
            font-weight: 600;
            color: var(--dark);
            border-radius: 12px;
        }
        .faq-item summary::-webkit-details-marker {
            display: none;
        }
        .faq-item .faq-toggle {
            transition: transform .3s ease;
            flex-shrink: 0;
            width: 24px;
            height: 24px;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            border-radius: 50%;
            background: rgba(30, 107, 78, .1);
            color: var(--primary);
            font-size: 1.125rem;
            font-weight: 400;
        }
        .faq-item[open] .faq-toggle {
            transform: rotate(45deg);
        }
        .faq-item .faq-answer {
            padding: 0 20px 18px;
            color: var(--muted);
            font-size: .9375rem;
            line-height: 1.75;
        }

        /* ===== 页脚 ===== */
        .footer {
            background: var(--dark);
            color: rgba(255, 255, 255, .75);
            padding: 60px 0 0;
            margin-top: 40px;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 1.5fr 1fr 1fr 1fr;
            gap: 32px;
            padding-bottom: 44px;
        }
        .footer-brand .logo {
            color: #fff;
            font-size: 1.25rem;
            font-weight: 700;
        }
        .footer-brand p {
            font-size: .875rem;
            line-height: 1.7;
            color: rgba(255, 255, 255, .5);
            margin-top: 12px;
        }
        .footer h4 {
            color: #fff;
            font-size: .9375rem;
            font-weight: 600;
            margin-bottom: 16px;
        }
        .footer-links {
            list-style: none;
        }
        .footer-links li {
            margin-bottom: 10px;
        }
        .footer-links a {
            font-size: .875rem;
            color: rgba(255, 255, 255, .6);
            transition: color .2s ease;
        }
        .footer-links a:hover {
            color: var(--accent);
        }
        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, .12);
            padding: 20px 0;
            display: flex;
            justify-content: space-between;
            align-items: center;
            font-size: .8rem;
            color: rgba(255, 255, 255, .4);
        }

        @media (max-width: 768px) {
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 24px;
            }
            .footer-bottom {
                flex-direction: column;
                gap: 8px;
                text-align: center;
            }
            .container {
                padding: 0 16px;
            }
        }
        @media (max-width: 480px) {
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 20px;
            }
        }

        /* ===== 抽屉导航 ===== */
        #drawerMask {
            transition: opacity .3s ease;
        }
        #drawerMask.show {
            display: block;
            opacity: 1;
        }
        #drawer {
            transition: transform .3s ease;
        }
        #drawer.open {
            transform: translateX(0);
        }

        /* 滚动隐藏搜索热词 */
        @media (max-width: 1023px) {
            .header-trend {
                display: none;
            }
        }

        /* ===== 自定义滚动条 ===== */
        .nav-channels::-webkit-scrollbar {
            height: 0;
            display: none;
        }
        .nav-channels {
            scrollbar-width: none;
        }

        /* 标签 */
        .badge {
            display: inline-block;
            background: rgba(30, 107, 78, .1);
            color: var(--primary);
            font-size: .75rem;
            font-weight: 600;
            padding: 2px 10px;
            border-radius: 4px;
        }
        .badge-orange {
            background: rgba(232, 96, 58, .1);
            color: var(--secondary);
        }
        .badge-dark {
            background: rgba(20, 42, 34, .08);
            color: var(--dark);
        }

/* roulang page: category2 */
:root {
            --primary: #1E6B4E;
            --primary-dark: #17543D;
            --accent: #E8603A;
            --accent-dark: #C94A28;
            --paper: #F7F4EE;
            --ink: #2E2E2E;
            --mute: #6E6E6E;
            --line: #E3DED4;
            --deep: #142A22;
            --highlight: #F2B705;
            --radius-lg: 16px;
            --radius-md: 8px;
            --shadow-sm: 0 1px 2px rgba(20, 42, 34, .04), 0 1px 6px rgba(20, 42, 34, .06);
            --shadow-hover: 0 8px 24px rgba(20, 42, 34, .10);
            --transition: 200ms ease;
        }
        *,
        *::before,
        *::after {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }
        html {
            scroll-behavior: smooth;
        }
        body {
            font-family: "PingFang SC", "Microsoft YaHei", "Noto Sans SC", sans-serif;
            background: var(--paper);
            color: var(--ink);
            line-height: 1.7;
            font-size: 1rem;
            -webkit-font-smoothing: antialiased;
        }
        img {
            max-width: 100%;
            display: block;
        }
        a {
            color: inherit;
            text-decoration: none;
        }
        button {
            font-family: inherit;
            cursor: pointer;
        }
        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 24px;
        }
        .section {
            padding: 80px 0;
        }
        @media (max-width: 768px) {
            .section {
                padding: 48px 0;
            }
        }
        @media (max-width: 640px) {
            .container {
                padding: 0 16px;
            }
        }
        .tabnum {
            font-variant-numeric: tabular-nums;
            font-family: "DIN Alternate", "PingFang SC", sans-serif;
        }
        .btn-primary {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            background: var(--primary);
            color: #fff;
            padding: 12px 28px;
            border-radius: var(--radius-md);
            font-weight: 600;
            font-size: 1rem;
            border: 2px solid transparent;
            transition: background var(--transition), transform var(--transition), box-shadow var(--transition), outline var(--transition);
            line-height: 1.5;
            white-space: nowrap;
        }
        .btn-primary:hover {
            background: var(--primary-dark);
            transform: translateY(-1px);
            box-shadow: 0 6px 20px rgba(30, 107, 78, .18);
        }
        .btn-primary:focus-visible {
            outline: 2px solid var(--primary);
            outline-offset: 2px;
        }
        .btn-accent {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            background: var(--accent);
            color: #fff;
            padding: 14px 36px;
            border-radius: var(--radius-md);
            font-weight: 700;
            font-size: 1.05rem;
            border: 2px solid transparent;
            transition: background var(--transition), transform var(--transition), box-shadow var(--transition);
            line-height: 1.5;
            white-space: nowrap;
        }
        .btn-accent:hover {
            background: var(--accent-dark);
            transform: translateY(-2px);
            box-shadow: 0 10px 28px rgba(232, 96, 58, .25);
        }
        .btn-accent .arrow {
            transition: transform var(--transition);
        }
        .btn-accent:hover .arrow {
            transform: translateX(4px);
        }
        .btn-accent:focus-visible {
            outline: 2px solid var(--accent);
            outline-offset: 2px;
        }
        .btn-outline-light {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            background: transparent;
            color: #fff;
            padding: 12px 28px;
            border-radius: var(--radius-md);
            font-weight: 600;
            font-size: 1rem;
            border: 1.5px solid rgba(255, 255, 255, .55);
            transition: background var(--transition), border-color var(--transition), transform var(--transition);
            line-height: 1.5;
            white-space: nowrap;
        }
        .btn-outline-light:hover {
            background: rgba(255, 255, 255, .12);
            border-color: rgba(255, 255, 255, .8);
            transform: translateY(-1px);
        }
        .btn-outline-light:focus-visible {
            outline: 2px solid rgba(255, 255, 255, .7);
            outline-offset: 2px;
        }
        .hero {
            position: relative;
            background: linear-gradient(100deg, rgba(20, 42, 34, .92) 0%, rgba(20, 42, 34, .65) 55%, rgba(20, 42, 34, .35) 100%), url('/assets/images/backpic/back-2.webp') center center/cover no-repeat;
            min-height: 520px;
            display: flex;
            align-items: center;
            color: #fff;
            padding: 100px 0 80px;
        }
        @media (max-width: 768px) {
            .hero {
                min-height: 420px;
                padding: 80px 0 56px;
                background: linear-gradient(105deg, rgba(20, 42, 34, .94) 0%, rgba(20, 42, 34, .78) 70%, rgba(20, 42, 34, .5) 100%), url('/assets/images/backpic/back-2.webp') center center/cover no-repeat;
            }
        }
        .eyebrow {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: rgba(30, 107, 78, .25);
            border: 1px solid rgba(255, 255, 255, .2);
            color: #fff;
            padding: 6px 14px;
            border-radius: 999px;
            font-size: .8rem;
            letter-spacing: .08em;
            font-weight: 600;
            text-transform: uppercase;
        }
        .hero-title {
            font-size: 3.5rem;
            font-weight: 800;
            line-height: 1.15;
            letter-spacing: -0.01em;
            max-width: 720px;
        }
        @media (max-width: 768px) {
            .hero-title {
                font-size: 2.75rem;
                max-width: 85%;
            }
        }
        .hero-sub {
            color: rgba(255, 255, 255, .85);
            font-size: 1.15rem;
            max-width: 560px;
            line-height: 1.7;
        }
        .stat-bar {
            background: #fff;
            border-radius: var(--radius-lg);
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--line);
            display: flex;
            flex-wrap: wrap;
            gap: 8px 0;
        }
        .stat-item {
            flex: 1;
            min-width: 160px;
            padding: 20px 24px;
            text-align: center;
            border-right: 1px solid var(--line);
        }
        .stat-item:last-child {
            border-right: none;
        }
        @media (max-width: 640px) {
            .stat-item {
                min-width: 50%;
                border-bottom: 1px solid var(--line);
            }
            .stat-item:nth-child(2n) {
                border-right: none;
            }
            .stat-item:last-child {
                border-bottom: none;
            }
        }
        .stat-num {
            font-size: 2rem;
            font-weight: 800;
            color: var(--primary);
            line-height: 1.2;
        }
        .stat-label {
            font-size: .875rem;
            color: var(--mute);
        }
        .card-step {
            border-radius: var(--radius-lg);
            padding: 28px;
            border: 1px solid var(--line);
            transition: box-shadow var(--transition), transform var(--transition), border-color var(--transition);
            height: 100%;
            position: relative;
            background: #fff;
        }
        .card-step:hover {
            box-shadow: var(--shadow-hover);
            transform: translateY(-2px);
            border-color: var(--primary);
        }
        .step-num {
            width: 44px;
            height: 44px;
            border-radius: 50%;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            font-weight: 700;
            font-size: 1.25rem;
            color: #fff;
            background: var(--primary);
            margin-bottom: 16px;
        }
        .bg-alt-1 {
            background: #E8F0EB;
        }
        .bg-alt-2 {
            background: #FDF1E8;
        }
        .bg-alt-3 {
            background: #EEEFEB;
        }
        .benefit-card {
            border-radius: var(--radius-lg);
            background: #fff;
            border: 1px solid var(--line);
            padding: 28px 24px;
            transition: box-shadow var(--transition), transform var(--transition), border-color var(--transition);
            height: 100%;
        }
        .benefit-card:hover {
            box-shadow: var(--shadow-hover);
            transform: translateY(-2px);
            border-color: var(--primary);
        }
        .benefit-icon {
            width: 48px;
            height: 48px;
            border-radius: 12px;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            font-size: 1.5rem;
            margin-bottom: 16px;
            background: rgba(30, 107, 78, .1);
            color: var(--primary);
        }
        .progress-track {
            background: #2A3B33;
            border-radius: 999px;
            height: 12px;
            overflow: hidden;
        }
        .progress-fill {
            background: var(--highlight);
            height: 100%;
            border-radius: 999px;
            width: 68%;
        }
        .faq-item {
            background: #fff;
            border: 1px solid var(--line);
            border-radius: var(--radius-lg);
            padding: 0;
            margin-bottom: 16px;
            transition: border-color var(--transition), box-shadow var(--transition);
            overflow: hidden;
        }
        .faq-item.active {
            border-color: var(--primary);
            box-shadow: 0 4px 16px rgba(30, 107, 78, .08);
        }
        .faq-toggle {
            width: 100%;
            display: flex;
            justify-content: space-between;
            align-items: center;
            padding: 18px 24px;
            background: transparent;
            border: none;
            font-size: 1.05rem;
            font-weight: 600;
            color: var(--ink);
            text-align: left;
            gap: 16px;
        }
        .faq-icon {
            width: 28px;
            height: 28px;
            border-radius: 50%;
            background: rgba(30, 107, 78, .1);
            color: var(--primary);
            display: inline-flex;
            align-items: center;
            justify-content: center;
            font-size: 1.1rem;
            font-weight: 400;
            transition: transform 300ms ease;
            flex-shrink: 0;
            position: relative;
        }
        .faq-item.active .faq-icon {
            transform: rotate(45deg);
        }
        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 300ms ease;
            padding: 0 24px;
        }
        .faq-item.active .faq-answer {
            max-height: 320px;
            padding-bottom: 20px;
        }
        .faq-answer p {
            color: var(--mute);
            font-size: .95rem;
            line-height: 1.7;
            border-top: 1px solid var(--line);
            padding-top: 14px;
        }
        .cta-section {
            background: var(--deep);
            position: relative;
            overflow: hidden;
        }
        .cta-section::before {
            content: "";
            position: absolute;
            top: -80px;
            right: -60px;
            width: 300px;
            height: 300px;
            background: radial-gradient(circle, rgba(242, 183, 5, .08) 0%, transparent 70%);
            pointer-events: none;
        }
        .footer {
            background: var(--deep);
            color: #fff;
            padding: 64px 0 32px;
        }
        .footer a {
            color: rgba(255, 255, 255, .65);
            transition: color var(--transition);
        }
        .footer a:hover {
            color: #fff;
        }
        .footer h4 {
            color: #fff;
            font-size: 1rem;
            font-weight: 600;
            margin-bottom: 14px;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 1.4fr 1fr 1fr 1fr;
            gap: 40px;
            border-bottom: 1px solid rgba(255, 255, 255, .1);
            padding-bottom: 40px;
        }
        @media (max-width: 1024px) {
            .footer-grid {
                grid-template-columns: 1fr 1fr;
            }
        }
        @media (max-width: 640px) {
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 32px;
            }
        }
        .footer-brand p {
            color: rgba(255, 255, 255, .5);
            font-size: .875rem;
            line-height: 1.7;
            margin-top: 12px;
            max-width: 320px;
        }
        .footer-bottom {
            display: flex;
            flex-wrap: wrap;
            justify-content: space-between;
            gap: 12px;
            padding-top: 24px;
            color: rgba(255, 255, 255, .4);
            font-size: .8rem;
        }
        .footer-links {
            list-style: none;
        }
        .footer-links li {
            margin-bottom: 10px;
        }
        .footer-links a {
            font-size: .875rem;
            color: rgba(255, 255, 255, .55);
        }
        .footer-links a:hover {
            color: #fff;
        }
        .logo {
            font-size: 1.5rem;
            font-weight: 800;
            color: #fff;
            line-height: 1.2;
            display: inline-block;
        }
        .logo-dark {
            color: var(--primary);
            font-size: 1.25rem;
            font-weight: 800;
        }
        .nav-link {
            font-size: .9375rem;
            font-weight: 500;
            white-space: nowrap;
            transition: color var(--transition), border-color var(--transition);
        }
        .sticky-nav {
            position: sticky;
            top: 0;
            z-index: 100;
            transition: background .2s ease, box-shadow .2s ease;
        }
        .sticky-nav.scrolled {
            background: rgba(20, 42, 34, .95);
            backdrop-filter: blur(8px);
            box-shadow: 0 4px 24px rgba(20, 42, 34, .18);
            border-top: 4px solid var(--primary);
        }
        .sticky-nav.scrolled .logo-dark {
            color: #fff;
        }
        .sticky-nav.scrolled .topbar-text {
            color: rgba(255, 255, 255, .7);
        }
        .sticky-nav.scrolled .nav-channels {
            background: transparent !important;
            border-bottom-color: transparent !important;
        }
        .sticky-nav.scrolled .nav-link {
            color: rgba(255, 255, 255, .75) !important;
        }
        .sticky-nav.scrolled .nav-link:hover {
            color: #fff !important;
        }
        .sticky-nav.scrolled .nav-link.active {
            color: #fff !important;
            border-bottom-color: var(--highlight) !important;
        }
        .sticky-nav.scrolled .top-search input {
            background: rgba(255, 255, 255, .1);
            border-color: rgba(255, 255, 255, .15);
            color: #fff;
        }
        .sticky-nav.scrolled .top-search input::placeholder {
            color: rgba(255, 255, 255, .5);
        }
        .top-search input {
            transition: background .2s ease, border-color .2s ease, color .2s ease;
        }
        .mobile-menu-toggle {
            display: none;
        }
        @media (max-width: 768px) {
            .mobile-menu-toggle {
                display: inline-flex;
            }
            .nav-channels-wrap {
                display: none;
            }
            .nav-channels.open {
                display: block !important;
            }
            .nav-channels {
                display: none;
                position: absolute;
                top: 100%;
                left: 0;
                right: 0;
                background: #fff;
                border-top: 1px solid var(--line);
                box-shadow: 0 12px 30px rgba(20, 42, 34, .12);
            }
            .nav-channels .nav-link {
                display: block;
                width: 100%;
                text-align: left;
                border-bottom: 1px solid var(--line);
                border-left: 4px solid transparent;
                padding-left: 20px !important;
            }
            .nav-channels .nav-link.active {
                border-left-color: var(--primary) !important;
                border-bottom-width: 1px;
                background: rgba(30, 107, 78, .04);
            }
        }
        .mobile-menu-panel {
            display: none;
        }
        @media (max-width: 768px) {
            .mobile-menu-panel {
                display: block;
                position: fixed;
                top: 0;
                right: -320px;
                width: 300px;
                height: 100vh;
                background: #fff;
                z-index: 200;
                box-shadow: -10px 0 40px rgba(20, 42, 34, .15);
                transition: right .3s ease;
                padding: 24px;
                overflow-y: auto;
            }
            .mobile-menu-panel.open {
                right: 0;
            }
        }
        .overlay-mask {
            display: none;
            position: fixed;
            inset: 0;
            background: rgba(20, 42, 34, .5);
            z-index: 150;
        }
        .overlay-mask.show {
            display: block;
        }
        .wide-card {
            border-radius: var(--radius-lg);
            border: 1px solid var(--line);
            background: #fff;
            overflow: hidden;
            transition: box-shadow var(--transition), transform var(--transition);
        }
        .wide-card:hover {
            box-shadow: var(--shadow-hover);
            transform: translateY(-2px);
        }
        .tag-chip {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            background: rgba(30, 107, 78, .08);
            color: var(--primary);
            font-size: .8rem;
            font-weight: 600;
            padding: 5px 12px;
            border-radius: 999px;
        }
        .tag-chip-orange {
            background: rgba(232, 96, 58, .1);
            color: var(--accent);
        }
        .tag-chip-yellow {
            background: rgba(242, 183, 5, .12);
            color: #B8860B;
        }
        .section-title {
            font-size: 2rem;
            font-weight: 800;
            line-height: 1.25;
            color: var(--ink);
            margin-bottom: 12px;
        }
        .section-sub {
            color: var(--mute);
            max-width: 600px;
            line-height: 1.7;
        }
        .title-bar {
            display: flex;
            align-items: center;
            gap: 12px;
            margin-bottom: 16px;
        }
        .title-bar::before {
            content: "";
            width: 5px;
            height: 26px;
            background: var(--primary);
            border-radius: 3px;
            flex-shrink: 0;
        }
        .scene-card {
            border-radius: var(--radius-lg);
            background: #fff;
            border: 1px solid var(--line);
            padding: 24px;
            transition: box-shadow var(--transition), transform var(--transition);
            height: 100%;
        }
        .scene-card:hover {
            box-shadow: var(--shadow-hover);
            transform: translateY(-3px);
            border-color: var(--primary);
        }
        .scene-icon {
            font-size: 1.75rem;
            margin-bottom: 12px;
            display: block;
        }
        .news-list-item {
            display: flex;
            gap: 20px;
            padding: 20px;
            background: #fff;
            border: 1px solid var(--line);
            border-radius: var(--radius-lg);
            align-items: flex-start;
            transition: box-shadow var(--transition), border-color var(--transition), background var(--transition);
        }
        .news-list-item:hover {
            background: #fff;
            box-shadow: var(--shadow-hover);
            border-color: var(--primary);
        }
        @media (max-width: 640px) {
            .news-list-item {
                flex-wrap: wrap;
                padding: 16px;
            }
        }
        .news-thumb {
            width: 160px;
            height: 100px;
            object-fit: cover;
            border-radius: 10px;
            flex-shrink: 0;
            background: #eef0ec;
        }
        @media (max-width: 640px) {
            .news-thumb {
                width: 100%;
                height: 140px;
            }
        }
        .input-base {
            height: 42px;
            border: 1px solid var(--line);
            border-radius: var(--radius-md);
            padding: 0 16px;
            font-size: .9rem;
            width: 100%;
            background: #fff;
            outline: none;
            transition: border-color var(--transition), box-shadow var(--transition);
        }
        .input-base:focus {
            border-color: var(--primary);
            box-shadow: 0 0 0 3px rgba(30, 107, 78, .12);
        }

/* roulang page: category3 */
:root {
            --primary: #1E6B4E;
            --primary-dark: #17543D;
            --accent: #E8603A;
            --accent-dark: #C94A28;
            --cream: #F7F4EE;
            --dark: #142A22;
            --ink: #2E2E2E;
            --muted: #6E6E6E;
            --line: #E3DED4;
            --highlight: #F2B705;
            --radius-lg: 16px;
            --radius-md: 8px;
            --shadow-sm: 0 1px 2px rgba(20, 42, 34, .04), 0 1px 6px rgba(20, 42, 34, .06);
            --shadow-hover: 0 8px 24px rgba(20, 42, 34, .10);
        }
        * {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }
        html {
            scroll-behavior: smooth;
        }
        body {
            font-family: 'PingFang SC', 'Microsoft YaHei', 'Noto Sans SC', sans-serif;
            background: var(--cream);
            color: var(--ink);
            line-height: 1.7;
            font-size: 16px;
        }
        img {
            max-width: 100%;
            display: block;
        }
        a {
            text-decoration: none;
            color: inherit;
            transition: all .2s ease;
        }
        button {
            font-family: inherit;
        }
        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 24px;
        }
        .section {
            padding: 80px 0;
        }
        @media(max-width:768px) {
            .section {
                padding: 48px 0;
            }
        }

        /* ===== Header ===== */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 100;
            background: rgba(247, 244, 238, .96);
            backdrop-filter: blur(12px);
            box-shadow: 0 1px 8px rgba(20, 42, 34, .06);
            transition: background .3s, box-shadow .3s;
        }
        .site-header.scrolled {
            background: rgba(20, 42, 34, .95);
            box-shadow: 0 4px 0 var(--primary), 0 8px 24px rgba(20, 42, 34, .18);
        }
        .logo-text {
            font-size: 1.35rem;
            font-weight: 800;
            color: var(--primary);
            letter-spacing: -0.01em;
            transition: color .3s;
        }
        .logo-text:hover {
            color: var(--primary-dark);
        }
        .site-header.scrolled .logo-text {
            color: #fff;
        }
        .search-box {
            display: flex;
            align-items: center;
            gap: 8px;
            background: rgba(30, 107, 78, .06);
            border: 1px solid var(--line);
            border-radius: 8px;
            padding: 4px 8px;
            height: 34px;
            width: 220px;
            transition: border-color .2s, box-shadow .2s;
        }
        .search-box:focus-within {
            border-color: var(--primary);
            box-shadow: 0 0 0 3px rgba(30, 107, 78, .12);
        }
        .search-input {
            background: transparent;
            border: none;
            outline: none;
            font-size: .85rem;
            color: var(--ink);
            flex: 1;
            min-width: 0;
        }
        .search-input::placeholder {
            color: #9AA3A0;
        }
        .search-btn {
            background: var(--primary);
            color: #fff;
            width: 26px;
            height: 26px;
            border: none;
            border-radius: 6px;
            font-size: .8rem;
            cursor: pointer;
            display: flex;
            align-items: center;
            justify-content: center;
            transition: background .2s;
        }
        .search-btn:hover {
            background: var(--primary-dark);
        }
        .site-header.scrolled .search-box {
            background: rgba(255, 255, 255, .12);
            border-color: rgba(255, 255, 255, .2);
        }
        .site-header.scrolled .search-input {
            color: #fff;
        }
        .site-header.scrolled .search-input::placeholder {
            color: rgba(255, 255, 255, .5);
        }
        .search-icon-btn {
            width: 34px;
            height: 34px;
            border-radius: 8px;
            border: 1px solid var(--line);
            background: #fff;
            color: var(--primary);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: .9rem;
            cursor: pointer;
            transition: background .2s, color .2s;
        }
        .search-icon-btn:hover {
            background: var(--primary);
            color: #fff;
        }
        .trend-label {
            font-size: .72rem;
            color: var(--muted);
            font-weight: 600;
        }
        .trend-tag {
            display: inline-block;
            padding: 2px 10px;
            border-radius: 6px;
            font-size: .72rem;
            font-weight: 600;
            background: rgba(30, 107, 78, .08);
            color: var(--primary);
            transition: all .2s;
        }
        .trend-tag:hover {
            background: var(--primary);
            color: #fff;
        }
        .nav-channels {
            background: #fff;
            border-bottom: 1px solid var(--line);
            transition: background .3s;
        }
        .site-header.scrolled .nav-channels {
            background: transparent;
            border-bottom-color: rgba(255, 255, 255, .1);
        }
        .nav-link {
            white-space: nowrap;
            transition: color .2s, border-color .2s;
        }
        .nav-link:hover {
            color: var(--primary);
        }
        .nav-link.active {
            color: var(--primary);
            border-color: var(--primary);
        }
        .site-header.scrolled .nav-link {
            color: rgba(255, 255, 255, .72);
        }
        .site-header.scrolled .nav-link:hover {
            color: #fff;
        }
        .site-header.scrolled .nav-link.active {
            color: #fff;
            border-color: var(--highlight);
        }

        /* ===== Hero ===== */
        .hero {
            position: relative;
            min-height: 480px;
            display: flex;
            align-items: center;
            background: url('/assets/images/backpic/back-3.webp') center/cover no-repeat;
        }
        .hero::before {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(90deg, rgba(20, 42, 34, .90) 0%, rgba(20, 42, 34, .64) 50%, rgba(20, 42, 34, .28) 100%);
        }
        .hero-content {
            position: relative;
            z-index: 2;
            padding: 60px 0;
            max-width: 680px;
        }
        .hero .tag {
            margin-bottom: 18px;
        }
        .hero h1 {
            font-size: 3.5rem;
            font-weight: 800;
            line-height: 1.2;
            color: #fff;
            margin: 0 0 18px;
        }
        .hero p {
            color: rgba(255, 255, 255, .85);
            font-size: 1.08rem;
            max-width: 540px;
            margin-bottom: 30px;
            line-height: 1.7;
        }
        .hero-actions {
            display: flex;
            flex-wrap: wrap;
            gap: 16px;
        }
        @media(max-width:768px) {
            .hero {
                min-height: 380px;
            }
            .hero-content {
                padding: 40px 0;
            }
            .hero h1 {
                font-size: 2.75rem;
            }
            .hero p {
                font-size: 1rem;
            }
            .hero-actions {
                flex-direction: column;
                align-items: flex-start;
            }
        }

        /* ===== 按钮 ===== */
        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            padding: 12px 28px;
            border-radius: 8px;
            font-weight: 600;
            font-size: .95rem;
            line-height: 1.4;
            border: none;
            cursor: pointer;
            transition: all .2s ease;
        }
        .btn:focus-visible {
            outline: 2px solid var(--primary);
            outline-offset: 2px;
        }
        .btn-accent {
            background: var(--accent);
            color: #fff;
        }
        .btn-accent:hover {
            background: var(--accent-dark);
            transform: translateY(-2px);
            box-shadow: 0 8px 20px rgba(232, 96, 58, .3);
        }
        .btn-accent .arrow {
            transition: transform .2s;
        }
        .btn-accent:hover .arrow {
            transform: translateX(4px);
        }
        .btn-outline {
            background: transparent;
            border: 1px solid rgba(255, 255, 255, .7);
            color: #fff;
        }
        .btn-outline:hover {
            background: rgba(255, 255, 255, .12);
            transform: translateY(-2px);
        }
        .btn-outline:focus-visible {
            outline-color: rgba(255, 255, 255, .8);
        }

        /* ===== 标签 ===== */
        .tag {
            display: inline-block;
            padding: 4px 12px;
            border-radius: 6px;
            font-size: .75rem;
            font-weight: 600;
            background: rgba(30, 107, 78, .08);
            color: var(--primary);
        }
        .tag-dark {
            background: rgba(255, 255, 255, .14);
            color: rgba(255, 255, 255, .92);
        }
        .tag-accent {
            background: rgba(232, 96, 58, .1);
            color: var(--accent);
        }

        /* ===== Section 头 ===== */
        .section-head {
            max-width: 640px;
            margin-bottom: 48px;
        }
        .section-head .tag {
            margin-bottom: 14px;
        }
        .section-head h2 {
            font-size: 2rem;
            font-weight: 800;
            line-height: 1.25;
            color: var(--ink);
            margin-bottom: 12px;
            position: relative;
            padding-left: 16px;
        }
        .section-head h2::before {
            content: '';
            position: absolute;
            left: 0;
            top: 6px;
            bottom: 6px;
            width: 4px;
            border-radius: 2px;
            background: var(--primary);
        }
        .section-head p {
            color: var(--muted);
            font-size: .95rem;
            line-height: 1.7;
        }
        .section-head-dark h2 {
            color: #fff;
        }
        .section-head-dark h2::before {
            background: var(--highlight);
        }
        .section-head-dark p {
            color: rgba(255, 255, 255, .6);
        }

        /* ===== 分类卡片 ===== */
        .game-card {
            overflow: hidden;
            background: #fff;
            border: 1px solid var(--line);
            border-radius: var(--radius-lg);
            box-shadow: var(--shadow-sm);
            transition: all .25s ease;
            display: flex;
            flex-direction: column;
        }
        .game-card:hover {
            box-shadow: var(--shadow-hover);
            transform: translateY(-2px);
            border-color: var(--primary);
        }
        .card-cover {
            height: 200px;
            overflow: hidden;
            position: relative;
        }
        .card-cover img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform .4s ease;
        }
        .game-card:hover .card-cover img {
            transform: scale(1.04);
        }
        .card-body {
            padding: 24px;
            display: flex;
            flex-direction: column;
            flex: 1;
        }
        .card-icon {
            width: 42px;
            height: 42px;
            border-radius: 10px;
            background: rgba(30, 107, 78, .1);
            color: var(--primary);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1rem;
            margin-bottom: 14px;
        }
        .card-body h3 {
            font-size: 1.15rem;
            font-weight: 700;
            color: var(--ink);
            margin-bottom: 8px;
        }
        .card-body p {
            font-size: .88rem;
            color: var(--muted);
            line-height: 1.65;
            margin-bottom: 16px;
            flex: 1;
        }
        .card-tags {
            display: flex;
            flex-wrap: wrap;
            gap: 6px;
        }

        /* ===== 场景卡片 ===== */
        .scene-card {
            background: var(--cream);
            border: 1px solid var(--line);
            border-radius: 16px;
            padding: 30px;
            transition: all .25s ease;
        }
        .scene-card:hover {
            box-shadow: var(--shadow-hover);
            border-color: var(--primary);
            transform: translateY(-2px);
            background: #fff;
        }
        .scene-icon {
            width: 44px;
            height: 44px;
            border-radius: 10px;
            background: rgba(30, 107, 78, .1);
            color: var(--primary);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.1rem;
            margin-bottom: 16px;
            transition: all .2s;
        }
        .scene-card:hover .scene-icon {
            background: var(--primary);
            color: #fff;
        }
        .scene-card h3 {
            font-size: 1.1rem;
            font-weight: 700;
            color: var(--ink);
            margin-bottom: 8px;
        }
        .scene-card p {
            font-size: .9rem;
            color: var(--muted);
            line-height: 1.65;
            margin-bottom: 14px;
        }
        .scene-link {
            font-size: .85rem;
            font-weight: 600;
            color: var(--primary);
            display: inline-flex;
            align-items: center;
            gap: 4px;
        }
        .scene-link:hover {
            color: var(--primary-dark);
            gap: 8px;
        }

        /* ===== 流程步骤 ===== */
        .process-section {
            background: var(--dark);
            position: relative;
            overflow: hidden;
        }
        .process-section::before {
            content: '';
            position: absolute;
            top: -80px;
            right: -80px;
            width: 240px;
            height: 240px;
            border-radius: 50%;
            background: rgba(242, 183, 5, .06);
        }
        .step-item {
            padding: 28px;
            border-radius: 16px;
            background: rgba(255, 255, 255, .06);
            border: 1px solid rgba(255, 255, 255, .1);
            transition: all .25s ease;
            position: relative;
        }
        .step-item:hover {
            background: rgba(255, 255, 255, .1);
            transform: translateY(-2px);
            box-shadow: 0 8px 24px rgba(0, 0, 0, .2);
        }
        .step-num {
            width: 42px;
            height: 42px;
            border-radius: 50%;
            background: var(--primary);
            color: #fff;
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 800;
            font-size: 1.1rem;
            margin-bottom: 18px;
        }
        .step-item h3 {
            font-size: 1.05rem;
            font-weight: 700;
            color: #fff;
            margin-bottom: 8px;
        }
        .step-item p {
            font-size: .85rem;
            color: rgba(255, 255, 255, .62);
            line-height: 1.65;
        }

        /* ===== 互链卡片 ===== */
        .bridge-card {
            background: #fff;
            border: 1px solid var(--line);
            border-radius: 12px;
            padding: 24px;
            display: block;
            transition: all .25s ease;
            position: relative;
        }
        .bridge-card:hover {
            box-shadow: var(--shadow-hover);
            border-color: var(--primary);
            transform: translateY(-2px);
        }
        .bridge-card .bridge-icon {
            width: 40px;
            height: 40px;
            border-radius: 10px;
            background: rgba(30, 107, 78, .1);
            color: var(--primary);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1rem;
            margin-bottom: 14px;
        }
        .bridge-card h3 {
            font-size: 1.05rem;
            font-weight: 700;
            color: var(--ink);
            margin-bottom: 6px;
        }
        .bridge-card p {
            font-size: .85rem;
            color: var(--muted);
            line-height: 1.6;
            margin-bottom: 12px;
        }
        .bridge-link {
            font-size: .85rem;
            font-weight: 600;
            color: var(--primary);
        }
        .bridge-card:hover .bridge-link {
            color: var(--accent);
        }

        /* ===== FAQ ===== */
        .faq-item {
            border: 1px solid var(--line);
            border-radius: 12px;
            background: #fff;
            transition: border-color .2s, box-shadow .2s;
            margin-bottom: 14px;
        }
        .faq-item.open {
            border-color: var(--primary);
            box-shadow: var(--shadow-sm);
        }
        .faq-q {
            display: flex;
            justify-content: space-between;
            align-items: center;
            padding: 18px 22px;
            cursor: pointer;
            font-weight: 600;
            color: var(--ink);
            font-size: .95rem;
            gap: 16px;
            border: none;
            background: none;
            width: 100%;
            text-align: left;
        }
        .faq-q .icon {
            font-size: 1.2rem;
            color: var(--primary);
            transition: transform .3s;
            flex-shrink: 0;
            line-height: 1;
        }
        .faq-item.open .faq-q .icon {
            transform: rotate(45deg);
        }
        .faq-a {
            max-height: 0;
            overflow: hidden;
            padding: 0 22px;
            color: var(--muted);
            font-size: .92rem;
            line-height: 1.7;
            transition: max-height .3s ease, padding .3s ease;
        }
        .faq-item.open .faq-a {
            max-height: 400px;
            padding: 0 22px 20px;
        }

        /* ===== CTA ===== */
        .cta-section {
            background: var(--dark);
            position: relative;
            overflow: hidden;
            padding: 80px 0;
        }
        .cta-section::before {
            content: '';
            position: absolute;
            top: 0;
            right: 0;
            width: 280px;
            height: 280px;
            background: radial-gradient(circle, rgba(242, 183, 5, .12) 0%, transparent 70%);
        }
        .cta-section::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            width: 100%;
            height: 2px;
            background: linear-gradient(90deg, transparent, var(--highlight), transparent);
        }
        .cta-inner {
            position: relative;
            z-index: 2;
            text-align: center;
            max-width: 640px;
            margin: 0 auto;
        }
        .cta-inner h2 {
            font-size: 2.2rem;
            font-weight: 800;
            color: #fff;
            line-height: 1.3;
            margin-bottom: 14px;
            margin-top: 14px;
        }
        .cta-inner p {
            color: rgba(255, 255, 255, .6);
            font-size: .95rem;
            margin-bottom: 30px;
            line-height: 1.7;
        }
        @media(max-width:768px) {
            .cta-section {
                padding: 48px 0;
            }
            .cta-inner h2 {
                font-size: 1.7rem;
            }
        }

        /* ===== 页脚 ===== */
        .footer {
            background: var(--dark);
            color: rgba(255, 255, 255, .8);
            padding: 60px 0 0;
            margin-top: 0;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1fr;
            gap: 40px;
            padding-bottom: 40px;
        }
        .footer .logo {
            font-size: 1.3rem;
            font-weight: 800;
            color: #fff;
            margin-bottom: 16px;
            display: inline-block;
        }
        .footer .logo:hover {
            color: var(--highlight);
        }
        .footer-brand p {
            font-size: .82rem;
            color: rgba(255, 255, 255, .5);
            line-height: 1.7;
            max-width: 320px;
        }
        .footer h4 {
            color: #fff;
            font-size: .95rem;
            font-weight: 600;
            margin-bottom: 16px;
        }
        .footer-links li {
            margin-bottom: 10px;
            list-style: none;
        }
        .footer-links a {
            color: rgba(255, 255, 255, .55);
            font-size: .85rem;
            transition: color .2s;
        }
        .footer-links a:hover {
            color: #fff;
        }
        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, .1);
            padding: 20px 0;
            display: flex;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 8px;
            font-size: .8rem;
            color: rgba(255, 255, 255, .4);
        }
        @media(max-width:768px) {
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 24px;
            }
        }
        @media(max-width:520px) {
            .footer-grid {
                grid-template-columns: 1fr;
            }
            .footer-bottom {
                flex-direction: column;
                text-align: center;
            }
        }