/* roulang page: index */
:root{
    --bg:#F4F8FC;
    --panel:#FFFFFF;
    --primary:#1F7AB5;
    --primary-deep:#135E92;
    --primary-soft:#E4F0F8;
    --accent:#F2B544;
    --accent-deep:#D98E17;
    --success:#2FA880;
    --text:#1F3A52;
    --text-weak:#60778B;
    --line:#DCE7F0;
    --radius-sm:6px;
    --radius:12px;
    --radius-lg:16px;
    --radius-xl:20px;
    --shadow-card:0 4px 16px rgba(31,58,82,.06);
    --shadow-hover:0 14px 30px rgba(31,58,82,.10);
    --shadow-primary:0 8px 20px rgba(31,122,181,.22);
    --container:1200px;
    --section-space:clamp(56px, 8vw, 96px);
}
*{box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{
    margin:0;
    background:var(--bg);
    color:var(--text);
    font-family:"PingFang SC","Microsoft YaHei","Noto Sans SC","Source Han Sans SC",sans-serif;
    font-size:16px;
    line-height:1.75;
    -webkit-font-smoothing:antialiased;
    overflow-x:hidden;
}
img{display:block;max-width:100%;height:auto;}
a{color:inherit;text-decoration:none;}
button{font-family:inherit;border:none;cursor:pointer;}
h1,h2,h3,h4,p,ul,ol,figure{margin:0;padding:0;}
ul,ol{list-style:none;}
.container{max-width:var(--container);margin-left:auto;margin-right:auto;padding-left:24px;padding-right:24px;}
.section{padding:var(--section-space) 0;}
.section-head{margin-bottom:40px;max-width:720px;}
.section-head.center{margin-left:auto;margin-right:auto;text-align:center;}
.section-head h2{font-size:clamp(26px,3.2vw,34px);font-weight:800;letter-spacing:-.01em;line-height:1.3;}
.section-head p{margin-top:12px;color:var(--text-weak);font-size:15px;line-height:1.8;}
/* 按钮 */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;min-height:44px;padding:0 24px;border-radius:10px;font-weight:600;font-size:15px;line-height:1;transition:all .2s ease;background:transparent;white-space:nowrap;}
.btn-primary{background:var(--primary);color:#fff;box-shadow:var(--shadow-primary);}
.btn-primary:hover{background:var(--primary-deep);transform:translateY(-1px);box-shadow:0 12px 26px rgba(19,94,146,.24);}
.btn-primary:active{transform:scale(.98);}
.btn-outline{background:#fff;color:var(--primary);border:1px solid rgba(31,122,181,.4);}
.btn-outline:hover{border-color:var(--primary);background:var(--primary-soft);color:var(--primary-deep);}
.btn-outline:active{transform:scale(.98);}
.btn-accent{background:var(--accent);color:#3A2A08;box-shadow:0 8px 18px rgba(242,181,68,.26);}
.btn-accent:hover{background:var(--accent-deep);color:#fff;transform:translateY(-1px);}
.btn-lg{min-height:52px;padding:0 30px;font-size:16px;}
.btn-sm{min-height:40px;padding:0 18px;font-size:14px;border-radius:8px;}
.btn:focus-visible,.nav-link:focus-visible,.brand:focus-visible,.faq-item summary:focus-visible{
    outline:2px dashed var(--primary);
    outline-offset:2px;
}
/* Header */
.site-header{
    position:sticky;top:0;z-index:60;
    background:rgba(255,255,255,.94);
    backdrop-filter:blur(14px);
    -webkit-backdrop-filter:blur(14px);
    border-bottom:1px solid var(--line);
}
.header-inner{display:flex;align-items:center;gap:20px;min-height:72px;}
.brand{display:flex;align-items:center;gap:12px;flex-shrink:0;}
.brand-mark{
    width:42px;height:42px;border-radius:14px;flex:0 0 auto;
    background:linear-gradient(135deg,var(--primary),#3C9BD4);
    display:flex;align-items:center;justify-content:center;
    color:#fff;font-size:20px;font-weight:800;
    box-shadow:0 8px 18px rgba(31,122,181,.25);
}
.brand-main{display:block;font-size:17px;font-weight:800;color:var(--text);line-height:1.25;letter-spacing:.01em;}
.brand-sub{display:block;font-size:12px;color:var(--text-weak);margin-top:2px;letter-spacing:.05em;}
.main-nav{display:flex;align-items:center;gap:4px;margin-left:auto;}
.nav-link{
    display:inline-flex;align-items:center;justify-content:center;
    padding:8px 14px;border-radius:999px;font-size:15px;font-weight:500;
    color:var(--text);transition:background .2s,color .2s;
    white-space:nowrap;line-height:1.4;
}
.nav-link:hover{background:var(--primary-soft);color:var(--primary-deep);}
.nav-link.active{background:var(--primary-soft);color:var(--primary-deep);font-weight:600;}
.header-cta{margin-left:8px;}
.nav-toggle{
    display:none;width:44px;height:44px;margin-left:auto;align-items:center;justify-content:center;
    border-radius:12px;background:var(--primary-soft);color:var(--primary);font-size:20px;
}
.mobile-panel{
    display:none;background:#fff;border-top:1px solid var(--line);
    padding:12px 20px 20px;
}
.mobile-panel.open{display:block;}
.mobile-panel a{
    display:flex;align-items:center;min-height:46px;padding:0 14px;font-weight:500;
    border-bottom:1px solid #EDF3F8;color:var(--text);border-radius:10px;
}
.mobile-panel a:hover{background:var(--primary-soft);color:var(--primary-deep);}
.mobile-panel a.active{background:var(--primary-soft);color:var(--primary-deep);font-weight:600;}
.mobile-panel .m-cta{margin-top:12px;justify-content:center;border:none;background:var(--primary);color:#fff;font-weight:600;}
/* Hero */
.hero{
    padding:clamp(40px,7vw,84px) 0 60px;
    background:
      radial-gradient(circle at 86% 18%,rgba(242,181,68,.12),transparent 26%),
      radial-gradient(circle at 8% 42%,rgba(31,122,181,.08),transparent 22%),
      linear-gradient(135deg,#E9F3FA 0%,#F4F8FC 46%,#FFFFFF 100%);
    border-bottom:1px solid #E4EDF4;
    overflow:hidden;
}
.hero-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:clamp(32px,6vw,72px);align-items:center;}
.hero-tag{
    display:inline-flex;align-items:center;gap:8px;
    background:var(--primary-soft);color:var(--primary-deep);
    padding:7px 16px;border-radius:999px;font-size:13px;font-weight:600;
    margin-bottom:20px;
}
.hero h1{font-size:clamp(34px,5vw,52px);font-weight:800;line-height:1.18;letter-spacing:-.015em;color:var(--text);}
.hero-sub{font-size:17px;line-height:1.9;color:var(--text-weak);max-width:560px;margin:20px 0 28px;}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;}
.hero-note{display:flex;align-items:center;gap:8px;margin-top:20px;color:var(--text-weak);font-size:13px;line-height:1.6;}
.hero-note i{color:var(--success);font-size:14px;}
.hero-visual{position:relative;}
.hero-figure{position:relative;border-radius:24px;overflow:hidden;background:#fff;box-shadow:var(--shadow-hover);border:1px solid #E8F0F6;}
.hero-figure img{width:100%;aspect-ratio:1.04/1;object-fit:cover;}
.hero-float{
    position:absolute;left:-20px;bottom:26px;background:#fff;border-radius:16px;
    box-shadow:0 12px 24px rgba(31,58,82,.12);padding:14px 18px;display:flex;align-items:center;gap:12px;
    border:1px solid #EAF1F7;
}
.hero-float i{color:var(--success);font-size:22px;}
.hero-float b{display:block;font-size:14px;color:var(--text);line-height:1.4;}
.hero-float span{font-size:12px;color:var(--text-weak);}
/* 优势区 */
.adv-grid{display:grid;grid-template-columns:repeat(12,1fr);gap:24px;}
.adv-card{
    background:#fff;border:1px solid #E8EFF5;border-radius:var(--radius-lg);
    padding:30px;box-shadow:var(--shadow-card);transition:transform .25s,box-shadow .25s;
    position:relative;overflow:hidden;
}
.adv-card::before{content:"";position:absolute;inset:0 0 auto 0;height:3px;background:linear-gradient(90deg,var(--primary),transparent);opacity:0;transition:opacity .3s;}
.adv-card:hover::before{opacity:1;}
.adv-card:hover{transform:translateY(-2px);box-shadow:var(--shadow-hover);}
.adv-card:nth-child(1){grid-column:span 5;}
.adv-card:nth-child(2){grid-column:span 7;}
.adv-card:nth-child(3){grid-column:span 7;}
.adv-card:nth-child(4){grid-column:span 5;}
.adv-icon{
    width:50px;height:50px;border-radius:15px;display:flex;align-items:center;justify-content:center;
    background:var(--primary-soft);color:var(--primary);font-size:20px;margin-bottom:20px;
}
.adv-card:nth-child(even) .adv-icon{background:#FEF3DC;color:var(--accent-deep);}
.adv-card h3{font-size:19px;font-weight:700;margin-bottom:10px;line-height:1.4;}
.adv-card p{color:var(--text-weak);font-size:15px;line-height:1.8;}
/* 最新动态 */
.latest-grid{display:grid;grid-template-columns:minmax(0,1.6fr) minmax(280px,.8fr);gap:28px;align-items:start;}
.panel{background:#fff;border:1px solid #E6EEF4;border-radius:var(--radius-lg);box-shadow:var(--shadow-card);}
.latest-feed{padding:8px 24px 8px;}
.cms-item{
    display:grid;grid-template-columns:110px minmax(0,1fr) 36px;gap:20px;align-items:center;
    padding:22px 4px;border-bottom:1px solid #EDF3F8;transition:background .2s;
}
.cms-item:last-child{border-bottom:none;}
.cms-item:hover{background:#FAFCFF;}
.cms-date{font-size:13px;color:var(--text-weak);line-height:1.5;}
.cms-body{min-width:0;}
.badge{
    display:inline-flex;align-items:center;justify-content:center;
    background:var(--primary-soft);color:var(--primary-deep);
    border-radius:999px;font-size:12px;font-weight:600;
    padding:4px 12px;line-height:1.5;
}
.badge-accent{background:#FEF3DC;color:var(--accent-deep);}
.cms-body h3{font-size:17px;font-weight:700;line-height:1.5;margin-top:8px;color:var(--text);
    display:-webkit-box;-webkit-line-clamp:1;-webkit-box-orient:vertical;overflow:hidden;}
.cms-body p{margin-top:6px;font-size:14px;color:var(--text-weak);line-height:1.7;
    display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.cms-arrow{width:34px;height:34px;border-radius:50%;border:1px solid var(--line);display:flex;align-items:center;justify-content:center;color:var(--primary);transition:.25s;}
.cms-item:hover .cms-arrow{background:var(--primary);color:#fff;border-color:var(--primary);}
.empty-state{
    display:flex;flex-direction:column;align-items:center;justify-content:center;gap:16px;
    background:#F1F6FB;border:1px dashed #C4D5E3;border-radius:16px;padding:56px 24px;margin:16px 4px;
}
.empty-state .empty-icon{width:58px;height:58px;border-radius:18px;background:#fff;display:flex;align-items:center;justify-content:center;color:var(--primary);font-size:24px;box-shadow:var(--shadow-card);}
.empty-state p{color:var(--text-weak);font-size:15px;}
.latest-side{display:flex;flex-direction:column;gap:24px;}
.side-card{background:#fff;border:1px solid #E6EEF4;border-radius:var(--radius-lg);padding:26px;box-shadow:var(--shadow-card);}
.side-card h3{display:flex;align-items:center;gap:10px;font-size:17px;font-weight:700;margin-bottom:14px;}
.side-card h3 i{width:34px;height:34px;border-radius:10px;background:var(--primary-soft);color:var(--primary);display:flex;align-items:center;justify-content:center;font-size:15px;}
.side-card p{font-size:14px;color:var(--text-weak);line-height:1.9;}
.side-card+.side-card{border-top:3px solid var(--accent);}
/* 热门内容 */
.hot-section{background:#fff;border-top:1px solid #E9F1F7;border-bottom:1px solid #E9F1F7;}
.hot-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px;}
.hot-card--wide{grid-column:span 2;}
.hot-card{
    background:#fff;border:1px solid #E8EEF4;border-radius:var(--radius-lg);overflow:hidden;
    box-shadow:var(--shadow-card);display:flex;flex-direction:column;transition:transform .25s,box-shadow .25s;
}
.hot-card:hover{transform:translateY(-3px);box-shadow:var(--shadow-hover);}
.hot-figure{position:relative;overflow:hidden;aspect-ratio:16/9;}
.hot-figure img{width:100%;height:100%;object-fit:cover;transition:transform .6s ease;}
.hot-card:hover .hot-figure img{transform:scale(1.04);}
.hot-figure .hot-ribbon{
    position:absolute;left:16px;top:16px;background:rgba(255,255,255,.94);backdrop-filter:blur(6px);
    color:var(--primary-deep);font-size:12px;font-weight:700;padding:5px 13px;border-radius:999px;
    box-shadow:0 4px 10px rgba(31,58,82,.12);
}
.hot-card--wide .hot-figure{aspect-ratio:2.05/1;}
.hot-body{display:flex;flex-direction:column;gap:10px;padding:22px 24px 24px;flex:1;}
.hot-body h3{font-size:19px;font-weight:700;line-height:1.5;color:var(--text);}
.hot-card--wide .hot-body h3{font-size:21px;}
.hot-body p{margin:0;color:var(--text-weak);font-size:15px;line-height:1.8;}
.hot-list{margin-top:4px;display:grid;gap:8px;}
.hot-list li{display:flex;align-items:center;gap:10px;font-size:14px;color:var(--text);line-height:1.7;}
.hot-list li i{color:var(--accent);font-size:13px;width:16px;flex:0 0 auto;}
.hot-foot{margin-top:auto;padding-top:16px;display:flex;align-items:center;justify-content:space-between;gap:12px;flex-wrap:wrap;}
.hot-tag{color:var(--text-weak);font-size:13px;display:inline-flex;gap:8px;align-items:center;background:#F5F8FB;padding:5px 12px;border-radius:999px;}
/* 评价 */
.review-section{background:linear-gradient(180deg,#fff 0%,#F4F8FC 100%);}
.review-strip{
    display:flex;gap:20px;overflow-x:auto;padding:6px 2px 24px;
    scroll-snap-type:x mandatory;-webkit-overflow-scrolling:touch;
}
.review-strip::-webkit-scrollbar{height:8px;}
.review-strip::-webkit-scrollbar-thumb{background:#C9D9E6;border-radius:999px;}
.review-card{
    flex:0 0 340px;scroll-snap-align:start;background:#fff;border-radius:var(--radius-lg);
    border:1px solid #E6EEF4;box-shadow:var(--shadow-card);padding:26px;display:flex;flex-direction:column;gap:16px;
}
.review-card>*{margin:0;}
.review-head{display:flex;align-items:center;gap:14px;}
.avatar{
    width:46px;height:46px;border-radius:50%;background:var(--primary);color:#fff;
    display:flex;align-items:center;justify-content:center;font-size:17px;font-weight:700;
    flex:0 0 auto;
}
.review-card:nth-child(2) .avatar{background:var(--success);}
.review-card:nth-child(3) .avatar{background:var(--accent-deep);}
.review-card:nth-child(4) .avatar{background:#7C6AC4;}
.review-name{font-weight:700;font-size:16px;color:var(--text);}
.review-role{font-size:13px;color:var(--text-weak);}
.stars{color:var(--accent);font-size:13px;letter-spacing:2px;}
.review-text{color:#456071;font-size:15px;line-height:1.9;}
/* 保障 */
.assure-wrap{
    display:grid;grid-template-columns:repeat(4,1fr);gap:20px;
    background:#fff;border:1px solid #E4EDF4;border-radius:20px;
    box-shadow:var(--shadow-card);padding:36px;margin-top:60px;
}
.assure-item{display:flex;gap:16px;align-items:flex-start;}
.assure-icon{flex:0 0 auto;width:44px;height:44px;border-radius:50%;display:flex;align-items:center;justify-content:center;background:var(--primary-soft);color:var(--primary);font-size:18px;}
.assure-item:nth-child(2) .assure-icon{background:#FEF3DC;color:var(--accent-deep);}
.assure-item:nth-child(3) .assure-icon{background:#E2F3EF;color:var(--success);}
.assure-item:nth-child(4) .assure-icon{background:#F6EAFB;color:#9A63C4;}
.assure-item h3{font-size:16px;font-weight:700;color:var(--text);line-height:1.5;}
.assure-item p{font-size:13px;color:var(--text-weak);line-height:1.7;margin-top:4px;}
/* FAQ */
.faq-section{background:#fff;border-top:1px solid #EDF3F8;}
.faq-wrap{max-width:900px;margin:0 auto;}
.faq-item{
    background:#F7FAFD;border:1px solid #E4EDF4;border-radius:16px;margin-bottom:14px;
    transition:box-shadow .25s,background .25s;overflow:hidden;
}
.faq-item summary{list-style:none;display:flex;align-items:center;gap:18px;justify-content:space-between;padding:22px 24px;cursor:pointer;min-height:44px;}
.faq-item summary::-webkit-details-marker{display:none;}
.faq-item summary:hover{background:#EFF6FB;}
.faq-item summary h3{font-size:17px;font-weight:600;color:var(--text);line-height:1.6;}
.faq-item[open]{background:#fff;box-shadow:var(--shadow-card);border-color:#C9DAE7;}
.faq-item[open] summary{border-left:4px solid var(--primary);}
.faq-icon{position:relative;width:22px;height:22px;flex:0 0 auto;border-radius:50%;background:var(--primary);}
.faq-icon::before,.faq-icon::after{content:"";position:absolute;background:#fff;border-radius:2px;transition:transform .25s;}
.faq-icon::before{left:5px;right:5px;top:10px;height:2px;}
.faq-icon::after{top:5px;bottom:5px;left:10px;width:2px;}
.faq-item[open] .faq-icon::after{transform:scaleY(0);}
.faq-content{padding:0 28px 24px;color:#52687A;font-size:15px;line-height:1.9;}
.faq-content p{color:#52687A;}
/* CTA */
.cta-section{padding-bottom:var(--section-space);}
.cta-box{
    background:linear-gradient(135deg,#EAF4FB 0%,#FFFFFF 60%);
    border:1px solid #CDE1EE;border-radius:24px;position:relative;overflow:hidden;
    padding:clamp(36px,5vw,64px);display:flex;align-items:center;justify-content:space-between;gap:32px;flex-wrap:wrap;
}
.cta-box::before{content:"";position:absolute;right:-60px;top:-60px;width:200px;height:200px;border-radius:50%;background:rgba(242,181,68,.14);}
.cta-box::after{content:"";position:absolute;right:60px;bottom:-80px;width:150px;height:150px;border-radius:50%;background:rgba(31,122,181,.10);}
.cta-box>*{position:relative;z-index:2;}
.cta-text h2{font-size:clamp(24px,3vw,32px);font-weight:800;line-height:1.35;}
.cta-text p{margin-top:10px;color:var(--text-weak);max-width:600px;font-size:16px;line-height:1.8;}
.cta-actions{display:flex;gap:14px;flex-wrap:wrap;}
/* Footer */
.footer{
    background:#E8F1F8;border-top:1px solid #D3E4EF;padding:64px 0 0;
}
.footer-grid{display:grid;grid-template-columns:2fr 1.2fr 1.2fr 1fr;gap:clamp(28px,5vw,52px);padding-bottom:44px;}
.footer-brand .brand{margin-bottom:18px;}
.footer-text{color:var(--text-weak);font-size:14px;line-height:1.9;max-width:340px;}
.footer h3{font-size:16px;font-weight:700;color:var(--text);margin-bottom:16px;}
.footer-links{display:grid;gap:2px;}
.footer-links a{display:inline-flex;align-items:center;gap:8px;color:#4D6780;font-size:15px;padding:7px 0;transition:color .2s;}
.footer-links a::before{content:"›";color:var(--primary);font-weight:700;}
.footer-links a:hover{color:var(--primary-deep);}
.footer-bottom{
    border-top:1px solid rgba(126,166,194,.28);padding:22px 0;
    display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;
    color:var(--text-weak);font-size:13px;
}
.footer-bottom .footer-domain{background:#D8E8F2;color:var(--primary-deep);padding:4px 14px;border-radius:999px;font-weight:600;}
/* 响应式 */
@media (max-width:1100px){
    .main-nav,.header-cta{display:none;}
    .nav-toggle{display:inline-flex;}
    .hero-grid{grid-template-columns:1fr;gap:40px;}
    .hero-visual{max-width:680px;}
    .hero h1{font-size:clamp(30px,5.5vw,44px);}
    .latest-grid{grid-template-columns:1fr;}
}
@media (max-width:1024px){
    .hot-grid{grid-template-columns:repeat(2,1fr);}
    .hot-card--wide{grid-column:span 2;}
    .assure-wrap{grid-template-columns:repeat(2,1fr);}
}
@media (max-width:767px){
    .container{padding-left:18px;padding-right:18px;}
    .header-inner{min-height:64px;}
    .brand-main{font-size:15px;}
    .brand-mark{width:38px;height:38px;font-size:18px;border-radius:12px;}
    .brand-sub{font-size:11px;}
    .adv-card:nth-child(n){grid-column:span 12;}
    .adv-card{padding:24px;}
    .hot-grid{grid-template-columns:1fr;}
    .hot-card--wide{grid-column:span 1;}
    .hot-card--wide .hot-figure{aspect-ratio:16/9;}
    .hot-card--wide .hot-body h3{font-size:18px;}
    .assure-wrap{grid-template-columns:1fr;padding:26px;margin-top:40px;}
    .cms-item{grid-template-columns:minmax(0,1fr) 32px;}
    .cms-date{grid-column:1/-1;grid-row:auto;}
    .cms-arrow{grid-column:2;grid-row:1;align-self:center;}
    .review-card{flex-basis:300px;}
    .footer-grid{grid-template-columns:1fr 1fr;}
    .footer-bottom{flex-direction:column;text-align:center;}
    .hero-float{left:14px;}
    .cta-box{flex-direction:column;align-items:flex-start;}
}
@media (max-width:480px){
    .footer-grid{grid-template-columns:1fr;}
    .hero h1{font-size:28px;}
    .hero-actions .btn{width:100%;}
    .hero-note{flex-wrap:wrap;}
    .cms-item{grid-template-columns:1fr;}
    .cms-date{grid-row:auto;}
    .cms-arrow{display:none;}
    .faq-item summary h3{font-size:16px;}
}

/* roulang page: category1 */
:root{
            --c-bg:#F4F8FC;
            --c-panel:#FFFFFF;
            --c-primary:#1F7AB5;
            --c-primary-deep:#135E92;
            --c-primary-soft:#E4F0F8;
            --c-accent:#F2B544;
            --c-accent-deep:#D98E17;
            --c-green:#2FA880;
            --c-text:#1F3A52;
            --c-muted:#60778B;
            --c-border:#DCE7F0;
            --r-sm:6px;
            --r-md:10px;
            --r-card:12px;
            --r-lg:16px;
            --shadow-card:0 4px 16px rgba(31,58,82,.06);
            --shadow-hover:0 14px 30px rgba(31,58,82,.10);
            --space-section:clamp(56px,8vw,96px);
        }
        *,
        *::before,
        *::after{
            box-sizing:border-box;
        }
        html{
            scroll-behavior:smooth;
        }
        body{
            margin:0;
            font-family:"PingFang SC","Microsoft YaHei","Noto Sans SC","Source Han Sans SC",sans-serif;
            background:var(--c-bg);
            color:var(--c-text);
            font-size:15px;
            line-height:1.7;
            -webkit-font-smoothing:antialiased;
        }
        img{
            max-width:100%;
            display:block;
        }
        a{
            color:inherit;
            text-decoration:none;
        }
        ul,ol,dl,dd,h1,h2,h3,h4,p,figure{
            margin:0;
            padding:0;
        }
        button{
            border:0;
            background:transparent;
            cursor:pointer;
            font:inherit;
        }
        .container{
            max-width:1200px;
            margin:0 auto;
            padding-left:32px;
            padding-right:32px;
        }
        .section{
            padding-block:var(--space-section);
        }
        .section-light{
            background:linear-gradient(0deg,#F7FAFD,#F2F7FB);
        }
        .section-head{
            max-width:820px;
            margin-bottom:38px;
        }
        .section-kicker{
            display:inline-flex;
            align-items:center;
            gap:6px;
            background:var(--c-primary-soft);
            color:var(--c-primary-deep);
            font-size:13px;
            font-weight:600;
            padding:6px 14px;
            border-radius:999px;
            margin-bottom:14px;
        }
        .section-title{
            font-size:clamp(26px,4vw,32px);
            line-height:1.35;
            font-weight:800;
            letter-spacing:-.01em;
            color:var(--c-text);
        }
        .section-sub{
            margin-top:18px;
            font-size:16px;
            color:var(--c-muted);
            line-height:1.8;
        }

        .btn{
            display:inline-flex;
            align-items:center;
            gap:10px;
            justify-content:center;
            min-height:44px;
            padding:12px 24px;
            border-radius:var(--r-md);
            font-weight:700;
            font-size:14px;
            line-height:1;
            background:var(--c-primary);
            color:#fff;
            border:1px solid var(--c-primary);
            transition:background .2s,box-shadow .2s,transform .15s,border-color .2s;
        }
        .btn:hover{
            background:var(--c-primary-deep);
            border-color:var(--c-primary-deep);
            box-shadow:0 8px 18px rgba(31,122,181,.22);
        }
        .btn:active{
            transform:scale(.98);
        }
        .btn svg,
        .btn i{
            font-size:14px;
        }
        .btn-ghost{
            background:#fff;
            color:var(--c-primary-deep);
            border-color:var(--c-border);
            box-shadow:0 2px 6px rgba(31,58,82,.04);
        }
        .btn-ghost:hover{
            border-color:var(--c-primary);
            background:var(--c-primary-soft);
            box-shadow:0 8px 18px rgba(31,122,181,.12);
        }
        .btn-accent{
            background:var(--c-accent);
            border-color:var(--c-accent);
            color:#26384a;
        }
        .btn-accent:hover{
            background:var(--c-accent-deep);
            border-color:var(--c-accent-deep);
            color:#fff;
        }
        a:focus-visible,
        button:focus-visible,
        summary:focus-visible{
            outline:3px solid rgba(31,122,181,.35);
            outline-offset:2px;
            border-radius:4px;
        }

        .site-header{
            position:sticky;
            top:0;
            z-index:60;
            background:var(--c-panel);
            border-bottom:1px solid var(--c-border);
            box-shadow:0 1px 0 rgba(31,58,82,.02);
        }
        .header-inner{
            display:flex;
            align-items:center;
            justify-content:space-between;
            min-height:76px;
            gap:24px;
        }
        .brand{
            display:inline-flex;
            align-items:center;
            gap:12px;
            min-width:0;
            font-weight:800;
            line-height:1.3;
            color:var(--c-text);
            margin-right:4px;
        }
        .brand-mark{
            flex:0 0 auto;
            width:42px;
            height:42px;
            border-radius:12px;
            background:linear-gradient(145deg,var(--c-primary),var(--c-primary-deep));
            color:#fff;
            display:inline-flex;
            align-items:center;
            justify-content:center;
            font-size:19px;
            box-shadow:0 6px 14px rgba(31,122,181,.26);
        }
        .brand-main{
            display:block;
            font-size:17px;
            white-space:nowrap;
            letter-spacing:-.01em;
        }
        .brand-sub{
            display:block;
            font-size:11px;
            color:var(--c-muted);
            font-weight:500;
            letter-spacing:.14em;
            margin-top:2px;
        }
        .header-group{
            display:flex;
            align-items:center;
            gap:18px;
        }
        .main-nav{
            display:flex;
            align-items:center;
            gap:6px;
        }
        .nav-link{
            display:inline-block;
            padding:9px 14px;
            border-radius:999px;
            font-size:14px;
            font-weight:600;
            color:var(--c-muted);
            transition:background .2s,color .2s,box-shadow .2s;
            white-space:nowrap;
        }
        .nav-link:hover{
            color:var(--c-primary-deep);
            background:var(--c-primary-soft);
        }
        .nav-link.active{
            background:var(--c-primary-soft);
            color:var(--c-primary-deep);
            font-weight:700;
        }
        .header-cta{
            display:inline-flex;
            min-height:42px;
            padding:9px 20px;
            border-radius:999px;
            background:var(--c-accent);
            color:#26384a;
            font-weight:700;
            font-size:14px;
            align-items:center;
            gap:8px;
            transition:background .2s,transform .15s,box-shadow .2s;
            white-space:nowrap;
        }
        .header-cta:hover{
            background:var(--c-accent-deep);
            color:#fff;
            box-shadow:0 6px 16px rgba(217,142,23,.26);
        }
        .header-cta:active{
            transform:scale(.98);
        }
        .menu-toggle{
            display:none;
            width:46px;
            height:44px;
            border-radius:10px;
            border:1px solid var(--c-border);
            background:#fff;
            color:var(--c-primary-deep);
            font-size:18px;
            align-items:center;
            justify-content:center;
            transition:background .2s,border-color .2s;
        }
        .menu-toggle:hover{
            background:var(--c-primary-soft);
            border-color:var(--c-primary);
        }

        .breadcrumb-bar{
            background:#fff;
            border-bottom:1px solid var(--c-border);
            padding:12px 0;
        }
        .breadcrumb{
            list-style:none;
            display:flex;
            gap:10px;
            align-items:center;
            font-size:13px;
            color:var(--c-muted);
            flex-wrap:wrap;
            margin:0;
            padding:0;
        }
        .breadcrumb a{
            color:var(--c-muted);
            transition:color .2s;
        }
        .breadcrumb a:hover{
            color:var(--c-primary);
        }
        .breadcrumb li + li::before{
            content:"/";
            margin-right:10px;
            color:#B7C6D3;
            font-weight:500;
        }
        .breadcrumb .current{
            color:var(--c-text);
            font-weight:600;
        }

        .hero{
            background:linear-gradient(135deg,#F8FBFE 0%,#EFF6FC 60%,#F8FAFD 100%);
            position:relative;
            overflow:hidden;
            border-bottom:1px solid var(--c-border);
            padding:72px 0 84px;
        }
        .hero::before{
            content:"";
            position:absolute;
            inset:0;
            background-image:radial-gradient(rgba(31,122,181,.08) 1px,transparent 1px);
            background-size:22px 22px;
            pointer-events:none;
            opacity:.6;
        }
        .hero-inner{
            position:relative;
            z-index:2;
            display:grid;
            grid-template-columns:minmax(0,1.04fr) minmax(0,.96fr);
            gap:52px;
            align-items:center;
        }
        .hero-kicker{
            display:inline-flex;
            align-items:center;
            gap:8px;
            background:rgba(31,122,181,.10);
            border:1px solid rgba(31,122,181,.18);
            color:var(--c-primary-deep);
            font-size:13px;
            font-weight:700;
            padding:7px 16px;
            border-radius:999px;
            margin-bottom:20px;
        }
        .hero-kicker i{
            font-size:13px;
        }
        .hero-title{
            font-size:clamp(32px,5vw,46px);
            line-height:1.26;
            font-weight:800;
            color:var(--c-text);
            letter-spacing:-.02em;
            margin-bottom:22px;
        }
        .hero-title span{
            color:var(--c-primary);
        }
        .hero-text{
            font-size:16px;
            color:var(--c-muted);
            line-height:1.85;
            margin-bottom:30px;
            max-width:560px;
        }
        .hero-actions{
            display:flex;
            gap:14px;
            flex-wrap:wrap;
            margin-bottom:20px;
        }
        .hero-trust{
            display:inline-flex;
            align-items:center;
            gap:7px;
            color:var(--c-muted);
            font-size:13px;
            background:#fff;
            border:1px solid var(--c-border);
            padding:6px 12px;
            border-radius:999px;
            box-shadow:0 2px 4px rgba(31,58,82,.04);
        }
        .hero-trust i{
            color:var(--c-green);
            font-size:13px;
        }
        .hero-visual{
            position:relative;
            display:flex;
            justify-content:center;
            align-items:center;
        }
        .hero-visual::after{
            content:"";
            position:absolute;
            width:280px;
            height:280px;
            background:radial-gradient(circle,rgba(242,181,68,.28),rgba(242,181,68,0) 70%);
            top:50%;
            left:50%;
            transform:translate(-48%,-52%);
            pointer-events:none;
        }
        .browser-frame{
            position:relative;
            width:100%;
            max-width:520px;
            background:#fff;
            border:1px solid var(--c-border);
            border-radius:16px;
            box-shadow:0 18px 46px rgba(31,58,82,.12);
            overflow:hidden;
            z-index:2;
            transition:transform .3s,box-shadow .3s;
        }
        .browser-frame:hover{
            transform:translateY(-4px);
            box-shadow:0 24px 48px rgba(31,58,82,.14);
        }
        .browser-top{
            height:42px;
            background:#F2F6FA;
            border-bottom:1px solid var(--c-border);
            display:flex;
            align-items:center;
            padding:0 14px;
            gap:8px;
        }
        .browser-dot{
            width:11px;
            height:11px;
            border-radius:999px;
            background:#C7D6E3;
        }
        .browser-dot:first-child{
            background:#F2B544;
        }
        .browser-dot:nth-child(2){
            background:#78BF9B;
        }
        .browser-dot:nth-child(3){
            background:#8BB7D9;
        }
        .browser-url{
            background:#fff;
            border:1px solid var(--c-border);
            border-radius:8px;
            height:25px;
            flex:1;
            font-size:11px;
            color:var(--c-muted);
            display:flex;
            align-items:center;
            padding:0 10px;
            gap:6px;
            margin-left:6px;
            white-space:nowrap;
            overflow:hidden;
        }
        .browser-url i{
            font-size:9px;
        }
        .browser-body img{
            width:100%;
            height:280px;
            object-fit:cover;
        }
        .hero-tag{
            position:absolute;
            right:-10px;
            bottom:-8px;
            z-index:4;
            background:#fff;
            border:1px solid var(--c-border);
            border-radius:14px;
            padding:14px 16px;
            box-shadow:0 12px 26px rgba(31,58,82,.10);
            font-size:13px;
            line-height:1.5;
            color:var(--c-text);
            max-width:180px;
        }
        .hero-tag strong{
            display:block;
            color:var(--c-primary);
            font-size:15px;
            margin-bottom:3px;
        }

        .stat-strip{
            background:#fff;
            border-bottom:1px solid var(--c-border);
            padding:30px 0;
        }
        .stat-grid{
            display:grid;
            grid-template-columns:repeat(4,1fr);
            gap:24px;
        }
        .stat-item{
            display:flex;
            flex-direction:column;
            align-items:center;
            text-align:center;
            padding:4px 0;
        }
        .stat-num{
            font-size:30px;
            font-weight:800;
            color:var(--c-primary);
            letter-spacing:-.02em;
            line-height:1.2;
            display:flex;
            align-items:baseline;
            gap:4px;
            justify-content:center;
        }
        .stat-num small{
            font-size:15px;
            color:var(--c-text);
            font-weight:700;
            margin-left:2px;
        }
        .stat-label{
            color:var(--c-muted);
            font-size:13px;
            margin-top:6px;
            max-width:210px;
        }

        .intro-card{
            background:var(--c-panel);
            border:1px solid var(--c-border);
            border-radius:16px;
            padding:30px;
            box-shadow:var(--shadow-card);
            margin-top:-24px;
            position:relative;
            z-index:3;
            display:grid;
            grid-template-columns:1fr 1.4fr;
            gap:26px;
            align-items:start;
        }
        .intro-card h2{
            font-size:20px;
            font-weight:750;
            line-height:1.5;
            letter-spacing:-.01em;
        }
        .intro-card p{
            font-size:15px;
            color:var(--c-muted);
            line-height:1.85;
        }

        .board-wrap{
            display:grid;
            grid-template-columns:310px minmax(0,1fr);
            gap:34px;
            align-items:start;
        }
        .board-aside{
            position:sticky;
            top:96px;
            background:#fff;
            border:1px solid var(--c-border);
            border-radius:var(--r-lg);
            padding:22px;
            box-shadow:var(--shadow-card);
        }
        .board-aside-title{
            font-weight:800;
            font-size:17px;
            padding-bottom:14px;
            border-bottom:1px solid var(--c-border);
            margin-bottom:12px;
            display:flex;
            align-items:center;
            gap:8px;
        }
        .board-aside-title i{
            color:var(--c-primary);
        }
        .side-link{
            display:flex;
            align-items:center;
            justify-content:space-between;
            padding:11px 13px;
            border-radius:10px;
            color:var(--c-muted);
            font-size:14px;
            font-weight:600;
            transition:background .2s,color .2s,transform .15s;
            gap:10px;
            width:100%;
            margin:3px 0;
        }
        .side-link i{
            color:#9DB2C2;
            font-size:12px;
            transition:color .2s;
        }
        .side-link:hover{
            background:var(--c-primary-soft);
            color:var(--c-primary-deep);
        }
        .side-link:hover i{
            color:var(--c-primary);
        }
        .side-link.active{
            background:var(--c-primary);
            color:#fff;
        }
        .side-link.active i{
            color:rgba(255,255,255,.9);
        }
        .board-aside-note{
            margin-top:20px;
            background:var(--c-primary-soft);
            border-radius:12px;
            padding:14px;
            font-size:13px;
            line-height:1.7;
            color:var(--c-primary-deep);
            display:flex;
            gap:10px;
            align-items:flex-start;
        }
        .board-aside-note i{
            margin-top:3px;
            color:var(--c-accent-deep);
        }

        .hall-card-grid{
            display:grid;
            grid-template-columns:repeat(2,minmax(0,1fr));
            gap:22px;
        }
        .hall-card{
            background:#fff;
            border:1px solid var(--c-border);
            border-radius:var(--r-lg);
            overflow:hidden;
            box-shadow:var(--shadow-card);
            display:flex;
            flex-direction:column;
            transition:transform .25s,box-shadow .25s,border-color .25s;
        }
        .hall-card:hover{
            transform:translateY(-4px);
            box-shadow:var(--shadow-hover);
            border-color:#CAE0EE;
        }
        .hall-cover{
            position:relative;
            overflow:hidden;
        }
        .hall-cover img{
            width:100%;
            height:186px;
            object-fit:cover;
            aspect-ratio:16/9;
            transition:transform .4s;
        }
        .hall-card:hover .hall-cover img{
            transform:scale(1.04);
        }
        .cover-label{
            position:absolute;
            left:14px;
            top:14px;
            background:rgba(19,94,146,.88);
            color:#fff;
            font-size:12px;
            font-weight:600;
            padding:5px 11px;
            border-radius:999px;
            letter-spacing:.02em;
            backdrop-filter:blur(4px);
        }
        .cover-label.gold{
            background:rgba(217,142,23,.92);
            color:#fff;
        }
        .hall-body{
            padding:20px 22px 22px;
            display:flex;
            flex-direction:column;
            flex:1;
        }
        .hall-body h3{
            font-size:18px;
            font-weight:750;
            margin-bottom:8px;
            letter-spacing:-.01em;
        }
        .hall-body p{
            color:var(--c-muted);
            font-size:14px;
            line-height:1.75;
            flex:1;
            margin-bottom:16px;
        }
        .hall-meta{
            display:flex;
            align-items:center;
            gap:8px;
            flex-wrap:wrap;
            border-top:1px dashed var(--c-border);
            padding-top:14px;
            margin-top:auto;
        }
        .tag{
            display:inline-flex;
            align-items:center;
            gap:6px;
            background:var(--c-primary-soft);
            color:var(--c-primary-deep);
            font-size:12px;
            font-weight:600;
            border-radius:999px;
            padding:4px 10px;
        }
        .tag.green{
            background:#E3F5EE;
            color:#21795C;
        }
        .hall-link{
            display:inline-flex;
            align-items:center;
            gap:4px;
            color:var(--c-primary);
            font-weight:700;
            font-size:13px;
            margin-left:auto;
            transition:color .2s,gap .2s;
        }
        .hall-link:hover{
            color:var(--c-primary-deep);
            gap:8px;
        }

        .route-wrap{
            background:#fff;
            border:1px solid var(--c-border);
            border-radius:18px;
            box-shadow:var(--shadow-card);
            overflow:hidden;
        }
        .route-grid{
            display:grid;
            grid-template-columns:repeat(3,1fr);
        }
        .route-item{
            padding:34px 30px;
            position:relative;
        }
        .route-item + .route-item{
            border-left:1px solid var(--c-border);
        }
        .route-step{
            width:38px;
            height:38px;
            border-radius:999px;
            background:var(--c-primary);
            color:#fff;
            display:flex;
            align-items:center;
            justify-content:center;
            font-weight:800;
            font-size:16px;
            margin-bottom:14px;
            box-shadow:0 6px 12px rgba(31,122,181,.18);
        }
        .route-step.two{
            background:var(--c-accent-deep);
            box-shadow:0 6px 12px rgba(217,142,23,.18);
        }
        .route-step.three{
            background:var(--c-green);
            box-shadow:0 6px 12px rgba(47,168,128,.18);
        }
        .route-item h3{
            font-size:18px;
            font-weight:750;
            margin-bottom:10px;
        }
        .route-item p{
            font-size:14px;
            color:var(--c-muted);
            line-height:1.8;
        }

        .support-panel{
            background:#fff;
            border:1px solid var(--c-border);
            border-radius:18px;
            box-shadow:var(--shadow-card);
            padding:34px;
            display:grid;
            grid-template-columns:1fr 1fr;
            gap:40px;
            align-items:center;
        }
        .support-labels{
            display:flex;
            flex-wrap:wrap;
            gap:10px;
            margin:18px 0 6px;
        }
        .support-labels span{
            background:var(--c-primary-soft);
            color:var(--c-primary-deep);
            padding:7px 13px;
            font-size:13px;
            font-weight:600;
            border-radius:10px;
            display:inline-flex;
            align-items:center;
            gap:6px;
        }
        .support-labels span i{
            color:var(--c-accent-deep);
        }
        .support-visual{
            background:linear-gradient(145deg,#E4F0F8,#F5F9FC);
            border-radius:14px;
            padding:20px;
            display:flex;
            justify-content:center;
        }

        .faq-wrap{
            display:grid;
            grid-template-columns:1fr 1.2fr;
            gap:44px;
            align-items:start;
        }
        .faq-list{
            display:flex;
            flex-direction:column;
            gap:12px;
        }
        details.faq-item{
            background:#fff;
            border:1px solid var(--c-border);
            border-radius:14px;
            overflow:hidden;
            box-shadow:0 4px 14px rgba(31,58,82,.04);
            transition:border-color .25s,box-shadow .25s;
        }
        details.faq-item[open]{
            border-left:4px solid var(--c-primary);
            box-shadow:var(--shadow-card);
        }
        details.faq-item summary{
            list-style:none;
            cursor:pointer;
            display:flex;
            align-items:center;
            justify-content:space-between;
            gap:14px;
            min-height:56px;
            padding:16px 20px;
            font-size:15px;
            font-weight:700;
            color:var(--c-text);
            transition:color .2s;
            user-select:none;
        }
        details.faq-item summary::-webkit-details-marker{
            display:none;
        }
        details.faq-item summary:hover{
            color:var(--c-primary);
        }
        details.faq-item summary .faq-icon{
            width:28px;
            height:28px;
            border-radius:999px;
            background:var(--c-primary-soft);
            color:var(--c-primary);
            display:flex;
            align-items:center;
            justify-content:center;
            flex:0 0 auto;
            transition:transform .2s,background .2s,color .2s;
            font-size:13px;
        }
        details.faq-item[open] summary .faq-icon{
            background:var(--c-primary);
            color:#fff;
            transform:rotate(45deg);
        }
        .faq-answer{
            padding:0 20px 20px;
            font-size:14px;
            color:var(--c-muted);
            line-height:1.85;
        }

        .cta-box{
            background:#fff;
            border:1px solid #D9E9F2;
            border-radius:20px;
            padding:clamp(32px,6vw,58px);
            display:flex;
            flex-wrap:wrap;
            align-items:center;
            justify-content:space-between;
            gap:28px;
            box-shadow:0 18px 40px rgba(31,58,82,.08);
            position:relative;
            overflow:hidden;
        }
        .cta-box::after{
            content:"";
            position:absolute;
            right:-40px;
            bottom:-40px;
            width:170px;
            height:170px;
            background:radial-gradient(circle,rgba(242,181,68,.2),rgba(242,181,68,0) 70%);
            pointer-events:none;
        }
        .cta-box h2{
            font-size:clamp(24px,3.4vw,34px);
            font-weight:800;
            line-height:1.4;
            letter-spacing:-.01em;
            max-width:580px;
        }
        .cta-box p{
            margin-top:14px;
            color:var(--c-muted);
            font-size:15px;
            line-height:1.8;
            max-width:600px;
        }
        .cta-action{
            display:flex;
            flex-direction:column;
            gap:12px;
            align-items:stretch;
            min-width:220px;
            position:relative;
            z-index:2;
        }
        .cta-action .btn{
            min-height:52px;
            justify-content:center;
        }

        .footer{
            background:#EDF3F8;
            border-top:1px solid var(--c-border);
            padding:64px 0 28px;
            margin-top:clamp(40px,7vw,72px);
        }
        .footer-grid{
            display:grid;
            grid-template-columns:1.6fr .8fr .9fr .9fr;
            gap:34px;
        }
        .footer-brand .brand{
            margin-bottom:14px;
        }
        .footer-text{
            font-size:14px;
            line-height:1.8;
            color:var(--c-muted);
            margin-top:12px;
            max-width:330px;
        }
        .footer h3{
            font-size:15px;
            font-weight:800;
            color:var(--c-text);
            margin-bottom:15px;
            position:relative;
        }
        .footer h3::after{
            content:"";
            display:block;
            width:20px;
            height:3px;
            background:var(--c-accent);
            border-radius:5px;
            margin-top:7px;
        }
        .footer-links{
            display:flex;
            flex-direction:column;
            gap:11px;
        }
        .footer-links a{
            color:var(--c-muted);
            font-size:14px;
            transition:color .2s,padding .2s;
            display:inline-flex;
            align-items:center;
            gap:5px;
        }
        .footer-links a:hover{
            color:var(--c-primary);
            padding-left:3px;
        }
        .footer-bottom{
            display:flex;
            justify-content:space-between;
            align-items:center;
            border-top:1px solid var(--c-border);
            margin-top:44px;
            padding-top:24px;
            color:var(--c-muted);
            font-size:13px;
            gap:10px;
            flex-wrap:wrap;
        }
        .footer-domain{
            font-family:"Inter","Segoe UI",Roboto,sans-serif;
            color:#9DB2C2;
            font-weight:500;
        }

        @media (max-width:1024px){
            .header-brand-main{
                font-size:15px;
            }
            .main-nav{
                gap:2px;
            }
            .nav-link{
                padding:9px 10px;
                font-size:13px;
            }
            .hero-inner{
                grid-template-columns:1fr 1fr;
                gap:30px;
            }
            .board-wrap{
                grid-template-columns:260px minmax(0,1fr);
                gap:24px;
            }
            .hall-card-grid{
                grid-template-columns:1fr;
            }
        }
        @media (max-width:820px){
            .menu-toggle{
                display:inline-flex;
            }
            .header-group{
                position:absolute;
                top:calc(100% + 5px);
                left:16px;
                right:16px;
                background:#fff;
                border:1px solid var(--c-border);
                border-radius:16px;
                padding:18px;
                display:none;
                flex-direction:column;
                align-items:stretch;
                box-shadow:0 16px 30px rgba(31,58,82,.12);
                gap:14px;
            }
            .header-group.open{
                display:flex;
            }
            .main-nav{
                flex-direction:column;
                gap:8px;
            }
            .nav-link{
                display:block;
                padding:12px 14px;
                font-size:16px;
                text-align:left;
            }
            .header-cta{
                justify-content:center;
            }
            .stat-grid{
                grid-template-columns:repeat(2,1fr);
            }
            .hero-inner,
            .intro-card,
            .faq-wrap,
            .support-panel{
                grid-template-columns:1fr;
                gap:30px;
            }
            .footer-grid{
                grid-template-columns:1fr 1fr;
            }
        }
        @media (max-width:560px){
            .container{
                padding-left:18px;
                padding-right:18px;
            }
            .section{
                padding-block:60px;
            }
            .header-inner{
                min-height:68px;
                gap:10px;
                padding-top:8px;
                padding-bottom:8px;
            }
            .brand-main{
                font-size:14px;
                white-space:normal;
            }
            .brand-sub{
                letter-spacing:.08em;
            }
            .brand-mark{
                width:38px;
                height:38px;
                border-radius:12px;
                font-size:17px;
            }
            .hero{
                padding:44px 0 58px;
            }
            .hero-actions{
                flex-direction:column;
            }
            .hero-actions .btn{
                width:100%;
            }
            .stat-num{
                font-size:26px;
            }
            .board-wrap{
                grid-template-columns:1fr;
                gap:24px;
            }
            .board-aside{
                position:relative;
                top:auto;
                padding:18px;
            }
            .route-grid{
                grid-template-columns:1fr;
            }
            .route-item + .route-item{
                border-left:0;
                border-top:1px solid var(--c-border);
            }
            .footer-grid{
                grid-template-columns:1fr;
                gap:26px;
            }
            .footer-bottom{
                flex-direction:column;
                text-align:center;
            }
            .hero-visual{
                margin-top:4px;
            }
            .browser-body img{
                height:210px;
            }
            .hall-cover img{
                height:170px;
            }
            .intro-card{
                padding:22px;
                margin-top:0;
            }
            .support-panel{
                padding:22px;
            }
            .cta-box{
                padding:30px 24px;
                align-items:flex-start;
            }
        }

/* roulang page: article */
:root {
            --c-bg: #F4F8FC;
            --c-surface: #FFFFFF;
            --c-primary: #1F7AB5;
            --c-primary-dark: #135E92;
            --c-primary-soft: #E4F0F8;
            --c-accent: #F2B544;
            --c-accent-dark: #D98E17;
            --c-success: #2FA880;
            --c-text: #1F3A52;
            --c-text-muted: #60778B;
            --c-border: #DCE7F0;
            --radius-sm: 6px;
            --radius-md: 10px;
            --radius-lg: 14px;
            --radius-xl: 20px;
            --shadow-card: 0 4px 16px rgba(31, 58, 82, 0.06);
            --shadow-card-hover: 0 14px 30px rgba(31, 58, 82, 0.10);
            --font-sans: "PingFang SC", "Microsoft YaHei", "Noto Sans SC", "Source Han Sans SC", "Inter", "Segoe UI", "Roboto", sans-serif;
            --space-section: clamp(56px, 8vw, 96px);
        }

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

        html {
            scroll-behavior: smooth;
        }

        body {
            margin: 0;
            font-family: var(--font-sans);
            background: var(--c-bg);
            color: var(--c-text);
            font-size: 16px;
            line-height: 1.7;
            -webkit-font-smoothing: antialiased;
        }

        a {
            color: inherit;
            text-decoration: none;
            transition: color 0.2s ease;
        }

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

        button,
        input,
        textarea,
        select {
            font: inherit;
            color: inherit;
        }

        ul,
        ol {
            margin: 0;
            padding: 0;
            list-style: none;
        }

        h1,
        h2,
        h3,
        h4 {
            margin-top: 0;
            color: var(--c-text);
            line-height: 1.35;
            font-weight: 700;
        }

        h1 {
            font-size: clamp(32px, 4.4vw, 44px);
            font-weight: 800;
            letter-spacing: -0.01em;
            line-height: 1.2;
        }

        h2 {
            font-size: clamp(24px, 3vw, 30px);
            font-weight: 700;
        }

        h3 {
            font-size: 20px;
            font-weight: 700;
        }

        p {
            margin-top: 0;
        }

        .container {
            width: 100%;
            max-width: 1200px;
            margin-left: auto;
            margin-right: auto;
            padding-left: clamp(16px, 4vw, 48px);
            padding-right: clamp(16px, 4vw, 48px);
        }

        .site-main {
            min-height: 72vh;
        }

        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            height: 46px;
            padding: 0 24px;
            border-radius: var(--radius-md);
            border: 1px solid transparent;
            font-weight: 600;
            font-size: 16px;
            line-height: 1;
            cursor: pointer;
            white-space: nowrap;
            transition: background 0.2s ease, border-color 0.2s ease, box-shadow 0.2s ease, transform 0.15s ease;
        }

        .btn-primary {
            background: var(--c-primary);
            color: #ffffff;
            box-shadow: 0 6px 16px rgba(31, 122, 181, 0.22);
        }

        .btn-primary:hover {
            background: var(--c-primary-dark);
            color: #ffffff;
            transform: translateY(-1px);
            box-shadow: 0 10px 22px rgba(19, 94, 146, 0.22);
        }

        .btn-primary:active {
            transform: scale(0.98);
            box-shadow: none;
        }

        .btn-secondary {
            background: #ffffff;
            border-color: #BFD4E6;
            color: var(--c-primary-dark);
        }

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

        .btn-secondary:active {
            transform: scale(0.98);
        }

        .btn:focus-visible,
        a:focus-visible,
        button:focus-visible {
            outline: 3px dashed var(--c-primary);
            outline-offset: 3px;
        }

        .btn-sm {
            height: 38px;
            padding: 0 16px;
            font-size: 14px;
            border-radius: 8px;
        }

        .btn-lg {
            height: 52px;
            padding: 0 30px;
            font-size: 17px;
            border-radius: var(--radius-lg);
        }

        .site-header {
            background: var(--c-surface);
            border-bottom: 1px solid var(--c-border);
            position: relative;
            z-index: 40;
        }

        .header-inner {
            display: flex;
            align-items: center;
            gap: 24px;
            min-height: 76px;
        }

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

        .brand-mark {
            width: 42px;
            height: 42px;
            border-radius: 13px;
            background: var(--c-primary);
            color: #ffffff;
            display: grid;
            place-items: center;
            font-size: 22px;
            font-weight: 800;
            box-shadow: 0 5px 12px rgba(31, 122, 181, 0.22);
        }

        .brand-text {
            display: inline-flex;
            flex-direction: column;
            line-height: 1.2;
        }

        .brand-main {
            font-size: 16px;
            font-weight: 800;
            color: var(--c-text);
            letter-spacing: 0.01em;
        }

        .brand-sub {
            font-size: 12px;
            color: var(--c-text-muted);
            margin-top: 2px;
            letter-spacing: 0.06em;
        }

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

        .nav-link {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            height: 40px;
            padding: 0 14px;
            border-radius: 999px;
            font-size: 15px;
            font-weight: 500;
            color: var(--c-text);
            transition: background 0.2s ease, color 0.2s ease;
        }

        .nav-link:hover {
            color: var(--c-primary-dark);
            background: var(--c-primary-soft);
        }

        .nav-link.active {
            background: var(--c-primary-soft);
            color: var(--c-primary-dark);
            font-weight: 700;
        }

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

        .header-cta {
            flex-shrink: 0;
        }

        .mobile-toggle {
            display: none;
            width: 44px;
            height: 44px;
            background: transparent;
            border: 1px solid var(--c-border);
            border-radius: var(--radius-md);
            flex-direction: column;
            align-items: center;
            justify-content: center;
            gap: 5px;
            cursor: pointer;
            transition: background 0.2s ease;
        }

        .mobile-toggle:hover {
            background: var(--c-primary-soft);
        }

        .mobile-toggle span {
            display: block;
            width: 20px;
            height: 2px;
            border-radius: 2px;
            background: var(--c-primary);
        }

        .mobile-menu {
            display: none;
        }

        .mobile-nav-link {
            display: block;
            padding: 13px 14px;
            border-radius: var(--radius-md);
            font-size: 16px;
            font-weight: 500;
            color: var(--c-text);
            background: #ffffff;
            border-bottom: 1px solid #EEF3F8;
        }

        .mobile-nav-link:hover {
            background: var(--c-primary-soft);
            color: var(--c-primary-dark);
        }

        .article-top {
            background: linear-gradient(180deg, #EAF4FB 0%, #F7FBFD 100%);
            border-bottom: 1px solid var(--c-border);
            padding: clamp(40px, 7vw, 76px) 0 clamp(44px, 6vw, 64px);
            overflow: hidden;
        }

        .article-top .breadcrumb-wrap {
            margin-bottom: 26px;
        }

        .breadcrumb {
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            font-size: 14px;
            color: var(--c-text-muted);
        }

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

        .breadcrumb li {
            display: inline-flex;
            align-items: center;
        }

        .breadcrumb li + li::before {
            content: "/";
            margin-right: 8px;
            color: #AABCCD;
            font-weight: 400;
        }

        .breadcrumb a {
            color: var(--c-text-muted);
            transition: color 0.2s ease;
        }

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

        .breadcrumb li[aria-current="page"] {
            color: var(--c-text);
            font-weight: 500;
            overflow: hidden;
            text-overflow: ellipsis;
            white-space: nowrap;
            max-width: 320px;
        }

        .chip {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            height: 30px;
            padding: 0 13px;
            border-radius: 999px;
            font-size: 13px;
            font-weight: 600;
            background: var(--c-primary-soft);
            color: var(--c-primary-dark);
        }

        .article-top h1 {
            margin: 18px 0 14px;
            max-width: 760px;
        }

        .article-lead {
            font-size: 17px;
            color: var(--c-text-muted);
            max-width: 660px;
            line-height: 1.8;
            margin-bottom: 0;
        }

        .article-meta-line {
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            gap: 8px 18px;
            margin-top: 22px;
            font-size: 14px;
            color: var(--c-text-muted);
        }

        .meta-item {
            display: inline-flex;
            align-items: center;
            gap: 5px;
        }

        .meta-dot {
            width: 4px;
            height: 4px;
            border-radius: 50%;
            background: var(--c-accent);
        }

        .article-top-media {
            position: relative;
        }

        .article-cover {
            width: 100%;
            border-radius: 20px;
            object-fit: cover;
            aspect-ratio: 4 / 3;
            box-shadow: 0 18px 38px rgba(31, 58, 82, 0.12);
            border: 1px solid #FFFFFF;
            background: #e3edf5;
        }

        .article-body-section {
            padding: clamp(44px, 7vw, 72px) 0 0;
        }

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

        .article-content {
            background: var(--c-surface);
            border: 1px solid var(--c-border);
            border-radius: var(--radius-xl);
            box-shadow: var(--shadow-card);
            padding: clamp(26px, 6vw, 56px);
            font-size: 16px;
            line-height: 1.9;
        }

        .article-content > * {
            max-width: 100%;
        }

        .article-content p {
            margin: 0 0 1.35em;
        }

        .article-content h2,
        .article-content h3,
        .article-content h4 {
            margin-top: 1.8em;
            margin-bottom: 0.7em;
        }

        .article-content h2 {
            font-size: 26px;
            padding-bottom: 10px;
            border-bottom: 1px solid #EDF2F7;
        }

        .article-content h3 {
            font-size: 20px;
        }

        .article-content img {
            border-radius: 14px;
            margin: 28px 0;
            border: 1px solid var(--c-border);
        }

        .article-content a {
            color: var(--c-primary);
            border-bottom: 1px solid rgba(31, 122, 181, 0.3);
            font-weight: 500;
        }

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

        .article-content blockquote {
            margin: 2em 0;
            padding: 18px 24px;
            background: #F8FBFE;
            border-left: 4px solid var(--c-primary);
            border-radius: 0 var(--radius-lg) var(--radius-lg) 0;
            color: var(--c-text-muted);
        }

        .article-content ul,
        .article-content ol {
            margin: 0 0 1.4em;
            padding-left: 1.4em;
        }

        .article-content ul li {
            list-style: disc;
            margin: 0.35em 0;
        }

        .article-content ol li {
            list-style: decimal;
            margin: 0.35em 0;
        }

        .article-content pre {
            background: #F4F7FA;
            border: 1px solid #E1E9F0;
            border-radius: var(--radius-lg);
            padding: 20px;
            overflow-x: auto;
            font-family: "SFMono-Regular", Consolas, "Liberation Mono", Menlo, monospace;
            font-size: 14px;
            line-height: 1.7;
        }

        .article-content code {
            background: #F0F4F8;
            border-radius: 5px;
            padding: 2px 7px;
            font-family: "SFMono-Regular", Consolas, "Liberation Mono", Menlo, monospace;
            font-size: 0.92em;
        }

        .article-content pre code {
            background: transparent;
            padding: 0;
        }

        .article-content hr {
            border: 0;
            border-top: 1px solid var(--c-border);
            margin: 2.4em 0;
        }

        .article-content table {
            width: 100%;
            border-collapse: collapse;
            margin: 2em 0;
            font-size: 15px;
        }

        .article-content th,
        .article-content td {
            border: 1px solid var(--c-border);
            padding: 10px 14px;
            text-align: left;
        }

        .article-content th {
            background: var(--c-primary-soft);
            font-weight: 700;
            color: var(--c-text);
        }

        .article-foot-tags {
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            gap: 10px;
            max-width: 860px;
            margin: 22px auto 0;
            padding: 8px 0;
        }

        .tag-pill {
            display: inline-flex;
            align-items: center;
            min-height: 30px;
            padding: 0 13px;
            background: #ffffff;
            border: 1px solid var(--c-border);
            border-radius: 999px;
            font-size: 13px;
            color: var(--c-text-muted);
        }

        .notfound-section {
            padding: clamp(60px, 10vw, 110px) 0;
        }

        .nf-box {
            max-width: 720px;
            margin: 0 auto;
            background: #ffffff;
            border: 1px solid var(--c-border);
            border-radius: var(--radius-xl);
            box-shadow: var(--shadow-card);
            padding: clamp(28px, 5vw, 60px);
            text-align: center;
        }

        .nf-icon {
            width: 64px;
            height: 64px;
            margin: 0 auto 20px;
            display: grid;
            place-items: center;
            background: var(--c-primary-soft);
            border-radius: 18px;
            color: var(--c-primary);
            font-size: 30px;
            font-weight: 800;
        }

        .nf-box h1 {
            margin-bottom: 12px;
        }

        .nf-box p {
            color: var(--c-text-muted);
            margin-bottom: 28px;
        }

        .nf-actions {
            display: flex;
            flex-wrap: wrap;
            justify-content: center;
            gap: 12px;
        }

        .explore-section {
            padding: var(--space-section) 0;
            background: var(--c-surface);
            border-top: 1px solid var(--c-border);
        }

        .section-head {
            margin-bottom: 40px;
        }

        .section-head h2 {
            margin-bottom: 8px;
        }

        .section-head p {
            color: var(--c-text-muted);
            max-width: 560px;
            margin: 0;
        }

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

        .more-card {
            background: #ffffff;
            border: 1px solid var(--c-border);
            border-radius: 16px;
            overflow: hidden;
            box-shadow: var(--shadow-card);
            transition: box-shadow 0.25s ease, transform 0.25s ease, border-color 0.25s ease;
            display: flex;
            flex-direction: column;
        }

        .more-card:hover {
            box-shadow: var(--shadow-card-hover);
            transform: translateY(-2px);
            border-color: #BFD6E7;
        }

        .more-media {
            overflow: hidden;
            aspect-ratio: 16 / 9;
            background: var(--c-primary-soft);
        }

        .more-media img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.35s ease;
        }

        .more-card:hover .more-media img {
            transform: scale(1.035);
        }

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

        .more-body h3 {
            font-size: 19px;
            margin-bottom: 9px;
        }

        .more-body p {
            color: var(--c-text-muted);
            font-size: 14px;
            line-height: 1.75;
            margin-bottom: 18px;
            flex: 1;
        }

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

        .more-link:hover {
            color: var(--c-primary-dark);
        }

        .cta-section {
            padding: var(--space-section) 0;
        }

        .cta-banner {
            background: linear-gradient(135deg, #FFFFFF 0%, #EAF4FB 100%);
            border: 1px solid var(--c-border);
            border-left: 6px solid var(--c-primary);
            border-radius: 22px;
            padding: clamp(30px, 5vw, 54px);
            box-shadow: var(--shadow-card);
        }

        .cta-banner h2 {
            margin-bottom: 10px;
        }

        .cta-banner p {
            color: var(--c-text-muted);
            margin: 0;
            max-width: 620px;
        }

        .cta-actions {
            display: flex;
            flex-wrap: wrap;
            gap: 12px;
            flex-shrink: 0;
        }

        .footer {
            background: #FFFFFF;
            border-top: 1px solid var(--c-border);
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 1.5fr 1fr 1fr 1fr;
            gap: 40px;
            padding: clamp(48px, 7vw, 72px) 0 42px;
        }

        .footer-brand .brand {
            margin-bottom: 14px;
        }

        .footer-text {
            font-size: 14px;
            color: var(--c-text-muted);
            line-height: 1.75;
            max-width: 320px;
            margin-bottom: 0;
        }

        .footer h3 {
            font-size: 16px;
            font-weight: 700;
            margin-bottom: 16px;
        }

        .footer-links {
            display: grid;
            gap: 8px;
            font-size: 14px;
            color: var(--c-text-muted);
        }

        .footer-links a {
            display: inline-block;
            color: var(--c-text-muted);
            padding: 2px 0;
        }

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

        .footer-bottom {
            border-top: 1px solid var(--c-border);
            padding: 20px 0;
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            justify-content: space-between;
            gap: 8px 20px;
            font-size: 13px;
            color: var(--c-text-muted);
        }

        .footer-domain {
            font-family: "Inter", "Segoe UI", "Roboto", sans-serif;
            color: #9AB1C4;
            font-weight: 500;
        }

        @media (max-width: 1024px) {
            .header-inner {
                gap: 14px;
            }

            .main-nav {
                margin-left: 14px;
            }

            .nav-link {
                padding: 0 10px;
                font-size: 14px;
            }

            .header-cta {
                margin-left: 6px;
            }
        }

        @media (max-width: 920px) {
            .main-nav,
            .header-cta {
                display: none;
            }

            .header-actions {
                margin-left: auto;
            }

            .mobile-toggle {
                display: inline-flex;
            }

            .mobile-menu.open {
                display: flex;
                flex-direction: column;
                padding: 10px clamp(16px, 4vw, 48px) 20px;
                border-top: 1px solid #EEF3F8;
                background: #ffffff;
            }

            .mobile-nav-link {
                min-height: 48px;
            }

            .footer-grid {
                grid-template-columns: 1.3fr 1fr 1fr;
                gap: 32px 28px;
            }

            .footer-grid > div:last-child {
                grid-column: span 1;
            }
        }

        @media (max-width: 768px) {
            .brand-main {
                font-size: 14px;
                line-height: 1.3;
            }

            .brand-sub {
                font-size: 11px;
            }

            .brand-mark {
                width: 38px;
                height: 38px;
                font-size: 19px;
                border-radius: 11px;
            }

            .article-content {
                border-radius: 16px;
            }

            .more-grid {
                grid-template-columns: 1fr;
                gap: 18px;
            }

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

            .cta-banner {
                flex-direction: column;
                align-items: flex-start;
            }
        }

        @media (max-width: 520px) {
            .header-inner {
                min-height: 68px;
                gap: 8px;
            }

            .brand-sub {
                display: none;
            }

            .brand-main {
                max-width: 210px;
                white-space: nowrap;
                overflow: hidden;
                text-overflow: ellipsis;
            }

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

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

            .footer-bottom {
                flex-direction: column;
                align-items: flex-start;
            }

            .nf-box {
                padding: 26px 20px;
            }

            .article-foot-tags {
                align-items: flex-start;
            }
        }

/* roulang page: category2 */
:root {
            --bg: #F4F8FC;
            --panel: #FFFFFF;
            --primary: #1F7AB5;
            --primary-dark: #135E92;
            --primary-soft: #E4F0F8;
            --accent: #F2B544;
            --accent-dark: #D98E17;
            --success: #2FA880;
            --text: #1F3A52;
            --muted: #60778B;
            --border: #DCE7F0;
            --radius-sm: 6px;
            --radius: 12px;
            --radius-lg: 18px;
            --shadow-card: 0 4px 16px rgba(31, 58, 82, 0.06);
            --shadow-hover: 0 14px 30px rgba(31, 58, 82, 0.1);
            --container: 1200px;
            --section-space: clamp(56px, 8vw, 96px);
        }

        * {
            box-sizing: border-box;
        }

        html {
            scroll-behavior: smooth;
        }

        body {
            margin: 0;
            font-family: "PingFang SC", "Microsoft YaHei", "Noto Sans SC", "Source Han Sans SC", "Inter", "Segoe UI", "Roboto", sans-serif;
            background: var(--bg);
            color: var(--text);
            font-size: 16px;
            line-height: 1.75;
            -webkit-font-smoothing: antialiased;
        }

        a {
            color: inherit;
            text-decoration: none;
            transition: color .2s ease, background .2s ease, border-color .2s ease, box-shadow .2s ease, transform .2s ease;
        }

        a:focus-visible, button:focus-visible, input:focus-visible {
            outline: 2px dashed var(--primary);
            outline-offset: 3px;
        }

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

        .container {
            width: 100%;
            max-width: var(--container);
            margin: 0 auto;
            padding: 0 20px;
        }

        .brand {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            line-height: 1.2;
            flex-shrink: 0;
        }

        .brand .brand-mark {
            width: 42px;
            height: 42px;
            border-radius: 12px;
            background: var(--primary);
            color: #fff;
            display: inline-grid;
            place-items: center;
            font-size: 20px;
            font-weight: 800;
            box-shadow: 0 4px 12px rgba(31, 122, 181, .18);
        }

        .brand-main {
            display: block;
            font-size: 17px;
            font-weight: 800;
            letter-spacing: -.01em;
            color: var(--text);
            white-space: nowrap;
        }

        .brand-sub {
            display: block;
            font-size: 11px;
            letter-spacing: .12em;
            color: var(--muted);
            font-weight: 500;
            text-transform: uppercase;
        }

        .main-nav {
            display: flex;
            align-items: center;
            gap: 4px;
            margin-left: 24px;
        }

        .main-nav .nav-link {
            padding: 9px 15px;
            border-radius: 999px;
            font-weight: 600;
            font-size: 14.5px;
            color: var(--text);
            line-height: 1.2;
            text-align: center;
        }

        .main-nav .nav-link:hover {
            background: var(--primary-soft);
            color: var(--primary-dark);
        }

        .main-nav .nav-link.active {
            background: var(--primary-soft);
            color: var(--primary-dark);
            font-weight: 700;
        }

        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            min-height: 44px;
            padding: 10px 22px;
            border-radius: 10px;
            font-weight: 700;
            font-size: 15px;
            border: 1px solid transparent;
            cursor: pointer;
            transition: all .2s ease;
            white-space: nowrap;
            color: var(--text);
            background: transparent;
        }

        .btn-sm {
            min-height: 38px;
            padding: 7px 15px;
            border-radius: 999px;
            font-size: 13px;
        }

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

        .btn-primary:hover {
            background: var(--primary-dark);
            border-color: var(--primary-dark);
            box-shadow: 0 10px 20px rgba(19, 94, 146, .18);
            transform: translateY(-1px);
        }

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

        .btn-outline {
            background: #fff;
            color: var(--primary-dark);
            border-color: #C4D9EA;
        }

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

        .btn-accent {
            background: var(--accent);
            color: #2B3038;
            border-color: var(--accent);
        }

        .btn-accent:hover {
            background: var(--accent-dark);
            border-color: var(--accent-dark);
            color: #fff;
            box-shadow: 0 10px 20px rgba(217, 142, 23, .2);
            transform: translateY(-1px);
        }

        .text-muted {
            color: var(--muted);
        }

        .section {
            padding: var(--section-space) 0;
        }

        .section-white {
            background: #fff;
        }

        .section-tone {
            background: #eff6fb;
        }

        .eyebrow {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            background: var(--primary-soft);
            color: var(--primary-dark);
            font-size: 13px;
            font-weight: 700;
            padding: 6px 14px;
            border-radius: 999px;
            letter-spacing: .02em;
            margin-bottom: 14px;
        }

        .category-hero {
            padding: 64px 0 56px;
            background: linear-gradient(115deg, #ffffff 30%, rgba(228, 240, 248, .83) 100%), url("/assets/images/backpic/back-2.webp") center/cover no-repeat;
            border-bottom: 1px solid var(--border);
            position: relative;
            overflow: hidden;
        }

        .category-hero::after {
            content: "";
            position: absolute;
            width: 320px;
            height: 320px;
            border-radius: 50%;
            background: radial-gradient(circle, rgba(242, 181, 68, .22), transparent 70%);
            right: -80px;
            top: -60px;
            pointer-events: none;
        }

        .category-hero .container {
            position: relative;
            z-index: 2;
        }

        .page-title {
            font-size: clamp(30px, 4.6vw, 42px);
            line-height: 1.25;
            font-weight: 800;
            letter-spacing: -.02em;
            margin: 0 0 16px;
        }

        .page-lead {
            max-width: 700px;
            font-size: 16px;
            line-height: 1.85;
            color: var(--muted);
            margin: 0 0 28px;
        }

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

        .trust-note {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            background: rgba(255, 255, 255, .8);
            border: 1px solid rgba(220, 231, 240, .9);
            border-radius: 999px;
            padding: 6px 14px;
            font-size: 12.5px;
            color: var(--primary-dark);
            margin-top: 18px;
            font-weight: 600;
        }

        .breadcrumb {
            font-size: 13px;
            color: var(--muted);
            margin-bottom: 20px;
            display: flex;
            flex-wrap: wrap;
            gap: 8px;
        }

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

        .breadcrumb a:hover {
            color: var(--primary-dark);
            text-decoration: underline;
        }

        .info-ribbon {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 16px;
        }

        .info-ribbon .ribbon-item {
            background: var(--panel);
            border-radius: 14px;
            padding: 22px;
            display: flex;
            gap: 14px;
            align-items: flex-start;
            border: 1px solid #e7eef5;
            box-shadow: var(--shadow-card);
            transition: transform .2s ease, box-shadow .2s ease;
        }

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

        .ribbon-icon {
            width: 44px;
            height: 44px;
            border-radius: 12px;
            background: var(--primary-soft);
            color: var(--primary);
            display: inline-grid;
            place-items: center;
            font-size: 18px;
            flex-shrink: 0;
        }

        .ribbon-icon.gold {
            background: #fdf3e0;
            color: var(--accent-dark);
        }

        .ribbon-item h2,
        .ribbon-item h3 {
            margin: 0 0 4px;
            font-size: 15px;
            font-weight: 700;
        }

        .ribbon-item p {
            margin: 0;
            font-size: 13px;
            color: var(--muted);
            line-height: 1.5;
        }

        .section-head {
            margin-bottom: 30px;
            display: flex;
            align-items: flex-end;
            justify-content: space-between;
            gap: 16px;
            flex-wrap: wrap;
        }

        .section-head h2 {
            margin: 0 0 4px;
            font-size: clamp(24px, 3vw, 30px);
            font-weight: 800;
            line-height: 1.3;
            letter-spacing: -.01em;
        }

        .section-head p {
            margin: 0;
            color: var(--muted);
            max-width: 640px;
            font-size: 14.5px;
        }

        .section-mark {
            display: inline-flex;
            align-items: center;
            color: var(--primary);
            background: var(--primary-soft);
            border-radius: 6px;
            padding: 3px 9px;
            font-size: 12px;
            font-weight: 700;
        }

        .featured-news {
            display: grid;
            grid-template-columns: 1.25fr 1fr;
            background: #fff;
            border-radius: 18px;
            overflow: hidden;
            border: 1px solid var(--border);
            box-shadow: var(--shadow-card);
            margin-bottom: 20px;
        }

        .featured-media {
            position: relative;
            min-height: 340px;
            background: var(--primary-soft);
        }

        .featured-media img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            position: absolute;
            inset: 0;
        }

        .featured-tag {
            position: absolute;
            top: 16px;
            left: 16px;
            background: var(--accent);
            color: #353025;
            font-size: 12px;
            padding: 5px 12px;
            border-radius: 999px;
            font-weight: 700;
            letter-spacing: .02em;
        }

        .featured-content {
            padding: 32px 34px;
            display: flex;
            flex-direction: column;
            justify-content: center;
        }

        .featured-content .meta {
            color: var(--muted);
            font-size: 13px;
            margin: 16px 0 20px;
            display: flex;
            gap: 16px;
            flex-wrap: wrap;
        }

        .featured-content h2 {
            margin: 0 0 12px;
            font-size: 24px;
            line-height: 1.45;
            font-weight: 800;
        }

        .featured-content p {
            color: var(--muted);
            font-size: 15px;
            margin: 0 0 20px;
        }

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

        .news-card {
            background: #fff;
            border: 1px solid var(--border);
            border-radius: 16px;
            overflow: hidden;
            box-shadow: var(--shadow-card);
            transition: transform .22s, box-shadow .22s;
            display: flex;
            gap: 0;
            flex-direction: column;
        }

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

        .news-media {
            aspect-ratio: 16 / 8;
            overflow: hidden;
            background: var(--primary-soft);
            position: relative;
        }

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

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

        .news-media .news-label {
            position: absolute;
            left: 12px;
            bottom: 12px;
            background: rgba(31, 58, 82, .72);
            backdrop-filter: blur(4px);
            color: #fff;
            padding: 3px 11px;
            border-radius: 999px;
            font-size: 12px;
        }

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

        .news-body h3 {
            margin: 0 0 8px;
            font-size: 17.5px;
            line-height: 1.45;
            font-weight: 700;
        }

        .news-body p {
            margin: 0 0 16px;
            color: var(--muted);
            font-size: 14px;
            line-height: 1.7;
        }

        .news-note {
            margin-top: auto;
            display: flex;
            justify-content: space-between;
            gap: 12px;
            align-items: center;
            font-size: 12.5px;
            color: var(--muted);
            border-top: 1px dashed var(--border);
            padding-top: 14px;
        }

        .news-note .type {
            color: var(--primary);
            font-weight: 700;
            background: var(--primary-soft);
            padding: 2px 10px;
            border-radius: 999px;
        }

        .topic-banner {
            display: flex;
            align-items: center;
            gap: 18px;
            background: #fff;
            border-radius: 18px;
            border: 1px solid var(--border);
            padding: 18px 22px;
            margin-bottom: 22px;
            box-shadow: var(--shadow-card);
        }

        .topic-banner .topic-icon {
            width: 48px;
            height: 48px;
            border-radius: 14px;
            background: linear-gradient(135deg, #E4F0F8, #fff);
            display: grid;
            place-items: center;
            color: var(--primary);
            font-size: 22px;
            flex-shrink: 0;
        }

        .topic-banner p {
            margin: 0;
            font-size: 14.5px;
            color: var(--muted);
        }

        .rank-highlight {
            background: #fff;
            border: 1px solid var(--border);
            border-radius: 18px;
            box-shadow: var(--shadow-card);
            padding: 18px 26px;
            max-width: 660px;
            margin: 0 auto 32px;
            text-align: center;
        }

        .rank-highlight p {
            margin: 0;
            color: var(--muted);
            font-size: 15px;
        }

        .rank-highlight strong {
            color: var(--primary-dark);
            font-weight: 800;
        }

        .trend-list {
            list-style: none;
            padding: 0;
            margin: 0;
            max-width: 850px;
            width: 100%;
        }

        .trend-list li {
            display: grid;
            grid-template-columns: 52px 1fr auto;
            gap: 20px;
            align-items: center;
            background: #fff;
            border-radius: 14px;
            padding: 18px 22px;
            margin-bottom: 12px;
            box-shadow: var(--shadow-card);
            transition: border-color .2s, transform .2s;
            border: 1px solid transparent;
        }

        .trend-list li:hover {
            border-color: var(--border);
            transform: translateX(4px);
        }

        .trend-num {
            font-size: 22px;
            font-weight: 800;
            color: var(--primary);
            opacity: .82;
        }

        .trend-list h3 {
            margin: 0 0 4px;
            font-size: 16px;
            line-height: 1.45;
        }

        .trend-list p {
            margin: 0;
            color: var(--muted);
            font-size: 13px;
            line-height: 1.55;
        }

        .trend-date {
            color: var(--muted);
            font-size: 12px;
            white-space: nowrap;
            background: var(--bg);
            padding: 4px 10px;
            border-radius: 999px;
        }

        .diptych {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 32px;
            align-items: center;
            background: #fff;
            border: 1px solid var(--border);
            border-radius: 20px;
            overflow: hidden;
            box-shadow: var(--shadow-card);
        }

        .diptych .media {
            height: 100%;
            min-height: 320px;
            position: relative;
        }

        .diptych .media img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            position: absolute;
            inset: 0;
        }

        .diptych .content {
            padding: 32px 36px 32px 0;
        }

        .diptych .content h2 {
            font-size: 25px;
            line-height: 1.4;
            margin: 0 0 14px;
        }

        .diptych.list-style {
            grid-template-columns: 120px 1fr;
            box-shadow: none;
            border: 0;
            border-radius: 0;
            background: transparent;
            align-items: flex-start;
        }

        .diptych .check-item {
            display: flex;
            gap: 10px;
            font-size: 14px;
            margin: 10px 0;
            color: var(--text);
        }

        .check-icon {
            color: var(--success);
            font-weight: 800;
            font-size: 18px;
        }

        .faq-wrap {
            background: #fff;
            border: 1px solid var(--border);
            border-radius: 18px;
            box-shadow: var(--shadow-card);
            padding: 28px;
        }

        .faq-item + .faq-item {
            border-top: 1px solid var(--border);
        }

        .faq-item button {
            display: flex;
            justify-content: space-between;
            align-items: center;
            width: 100%;
            gap: 16px;
            background: transparent;
            border: 0;
            padding: 16px 0;
            cursor: pointer;
            text-align: left;
            font-size: 16px;
            color: var(--text);
            font-weight: 700;
            min-height: 52px;
            line-height: 1.4;
        }

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

        .faq-item .faq-icon {
            font-size: 20px;
            color: var(--primary);
            transition: transform .25s;
            flex-shrink: 0;
        }

        .faq-item.active .faq-icon {
            transform: rotate(45deg);
        }

        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height .3s ease;
        }

        .faq-answer-content {
            color: var(--muted);
            font-size: 15px;
            line-height: 1.8;
            padding: 0 28px 18px 0;
            border-left: 3px solid var(--primary);
            padding-left: 18px;
            margin-left: 2px;
        }

        .cta-box {
            background: #fff;
            border: 1px solid var(--border);
            border-radius: 20px;
            padding: clamp(30px, 6vw, 56px);
            text-align: center;
            box-shadow: var(--shadow-card);
        }

        .cta-box h2 {
            font-size: clamp(24px, 3.4vw, 32px);
            margin: 0 0 12px;
            font-weight: 800;
        }

        .cta-box p {
            color: var(--muted);
            max-width: 620px;
            margin: 0 auto 26px;
            font-size: 15px;
        }

        .footer {
            background: #f7fafc;
            border-top: 1px solid var(--border);
            padding: 48px 0 18px;
            margin-top: 0;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 1.5fr 1fr 1fr 1.1fr;
            gap: 40px;
            padding-bottom: 28px;
        }

        .footer .brand-main {
            font-size: 16px;
        }

        .footer-text {
            font-size: 13.5px;
            line-height: 1.8;
            color: var(--muted);
            margin: 14px 0 0;
            max-width: 270px;
        }

        .footer h3 {
            font-size: 14px;
            font-weight: 700;
            margin: 0 0 12px;
            color: var(--text);
        }

        .footer-links {
            display: flex;
            flex-direction: column;
            gap: 8px;
        }

        .footer-links a {
            color: var(--muted);
            font-size: 13.5px;
        }

        .footer-links a:hover {
            color: var(--primary);
            text-decoration: underline;
        }

        .footer-bottom {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 12px;
            flex-wrap: wrap;
            border-top: 1px solid var(--border);
            padding-top: 18px;
            font-size: 13px;
            color: var(--muted);
        }

        .footer-domain {
            background: var(--primary-soft);
            color: var(--primary-dark);
            padding: 4px 12px;
            border-radius: 999px;
            font-weight: 700;
            letter-spacing: .03em;
        }

        .main-nav-toggle {
            display: none;
            width: 42px;
            height: 42px;
            border-radius: 10px;
            background: var(--primary-soft);
            color: var(--primary-dark);
            border: 0;
            align-items: center;
            justify-content: center;
            font-size: 18px;
            cursor: pointer;
            transition: background .2s;
        }

        .main-nav-toggle:hover {
            background: #d7e8f2;
        }

        @media (max-width: 1024px) {
            .container {
                padding: 0 16px;
            }

            .header-cta {
                margin-left: auto;
            }

            .main-nav-toggle {
                display: inline-flex;
                flex-shrink: 0;
            }

            .main-nav {
                position: absolute;
                top: 72px;
                left: 0;
                right: 0;
                background: #fff;
                border-bottom: 1px solid var(--border);
                flex-direction: column;
                align-items: stretch;
                margin: 0;
                padding: 12px 16px 16px;
                box-shadow: 0 18px 30px rgba(31, 58, 82, .08);
                display: none;
            }

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

            .main-nav .nav-link {
                padding: 14px 16px;
                text-align: left;
                border-bottom: 1px solid #edf3f8;
                border-radius: 10px;
                font-size: 15px;
            }

            .main-nav .nav-link:last-child {
                border-bottom: 0;
            }

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

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

        @media (max-width: 760px) {
            .brand-main {
                font-size: 14.5px;
            }

            .brand-sub {
                font-size: 10.5px;
            }

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

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

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

            .featured-media {
                min-height: 220px;
            }

            .featured-content {
                padding: 24px;
            }

            .info-ribbon {
                grid-template-columns: 1fr;
            }

            .trend-list li {
                grid-template-columns: 36px 1fr;
                gap: 12px;
                padding: 16px;
            }

            .trend-num {
                font-size: 18px;
            }

            .trend-date {
                grid-column: 2;
            }

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

            .diptych .media {
                min-height: 210px;
            }

            .diptych .content {
                padding: 24px 20px;
            }

            .footer-grid {
                grid-template-columns: 1fr;
                gap: 26px;
            }

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

            .cta-box {
                padding: 28px 20px;
            }
        }

/* roulang page: category3 */
:root {
            --bg: #F4F8FC;
            --panel: #FFFFFF;
            --primary: #1F7AB5;
            --primary-dark: #135E92;
            --primary-light: #E4F0F8;
            --accent: #F2B544;
            --accent-dark: #D98E17;
            --success: #2FA880;
            --text: #1F3A52;
            --text-soft: #60778B;
            --border: #DCE7F0;
            --radius-sm: 6px;
            --radius-md: 10px;
            --radius-lg: 16px;
            --radius-xl: 22px;
            --shadow-sm: 0 4px 16px rgba(31, 58, 82, 0.06);
            --shadow-md: 0 14px 30px rgba(31, 58, 82, 0.10);
            --font-family: "Inter", "PingFang SC", "Microsoft YaHei", "Noto Sans SC", "Source Han Sans SC", sans-serif;
        }

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

        html {
            scroll-behavior: smooth;
        }

        body {
            margin: 0;
            font-family: var(--font-family);
            background: var(--bg);
            color: var(--text);
            line-height: 1.7;
            font-size: 16px;
            -webkit-font-smoothing: antialiased;
        }

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

        button {
            font-family: inherit;
            cursor: pointer;
        }

        h1,
        h2,
        h3,
        p,
        ul,
        figure {
            margin: 0;
        }

        ul {
            padding: 0;
            list-style: none;
        }

        a {
            color: inherit;
            text-decoration: none;
        }

        a:focus-visible,
        button:focus-visible,
        input:focus-visible,
        summary:focus-visible {
            outline: 3px solid rgba(31, 122, 181, 0.30);
            outline-offset: 2px;
            border-radius: 6px;
        }

        .container {
            width: 100%;
            max-width: 1200px;
            margin-inline: auto;
            padding-inline: 32px;
        }

        .section {
            padding: clamp(56px, 8vw, 96px) 0;
        }

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

        .section-white {
            background: var(--panel);
            border-block: 1px solid var(--border);
        }

        .eyebrow {
            display: inline-block;
            background: var(--primary-light);
            color: var(--primary-dark);
            font-size: 12px;
            font-weight: 600;
            letter-spacing: 0.02em;
            padding: 6px 14px;
            border-radius: 999px;
        }

        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            min-height: 46px;
            padding: 10px 24px;
            border-radius: var(--radius-md);
            border: 1px solid transparent;
            font-size: 15px;
            font-weight: 700;
            line-height: 1.3;
            transition: background 0.2s ease, border-color 0.2s ease, color 0.2s ease, box-shadow 0.2s ease, transform 0.15s ease;
        }

        .btn:active {
            transform: scale(0.98);
        }

        .btn-primary {
            background: var(--primary);
            border-color: var(--primary);
            color: #fff;
            box-shadow: 0 8px 18px rgba(31, 122, 181, 0.22);
        }

        .btn-primary:hover {
            background: var(--primary-dark);
            border-color: var(--primary-dark);
            box-shadow: 0 12px 24px rgba(19, 94, 146, 0.25);
        }

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

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

        .btn-sm {
            min-height: 38px;
            padding: 7px 16px;
            font-size: 14px;
        }

        .btn-block {
            width: 100%;
        }

        /* Header */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 60;
            background: rgba(255, 255, 255, 0.96);
            -webkit-backdrop-filter: blur(10px);
            backdrop-filter: blur(10px);
            border-bottom: 1px solid var(--border);
        }

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

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

        .brand-mark {
            width: 42px;
            height: 42px;
            border-radius: 13px;
            background: var(--primary);
            color: #fff;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            font-weight: 800;
            font-size: 19px;
            box-shadow: 0 8px 16px rgba(31, 122, 181, 0.20);
            flex: 0 0 auto;
        }

        .brand > span:last-child {
            display: flex;
            flex-direction: column;
            line-height: 1.25;
            min-width: 0;
        }

        .brand-main {
            font-size: 17px;
            font-weight: 800;
            color: var(--text);
            letter-spacing: -0.01em;
            white-space: nowrap;
        }

        .brand-sub {
            font-size: 12px;
            color: var(--text-soft);
            letter-spacing: 0.03em;
            margin-top: 3px;
        }

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

        .nav-link {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            padding: 9px 14px;
            border-radius: 999px;
            font-size: 15px;
            font-weight: 500;
            color: var(--text);
            line-height: 1.35;
            transition: background 0.2s ease, color 0.2s ease;
        }

        .nav-link:hover {
            background: var(--primary-light);
            color: var(--primary-dark);
        }

        .nav-link.active {
            background: var(--primary-light);
            color: var(--primary-dark);
            font-weight: 700;
        }

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

        .header-cta {
            display: inline-flex;
        }

        .nav-toggle {
            display: none;
            width: 44px;
            height: 44px;
            flex-direction: column;
            justify-content: center;
            align-items: center;
            gap: 5px;
            background: var(--primary-light);
            border: 1px solid transparent;
            border-radius: 12px;
            padding: 0;
            transition: background 0.2s ease;
        }

        .nav-toggle:hover {
            background: #d8e9f4;
        }

        .toggle-line {
            display: block;
            width: 22px;
            height: 2px;
            background: var(--text);
            border-radius: 2px;
            transition: transform 0.2s ease, opacity 0.2s ease;
        }

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

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

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

        .mobile-nav {
            display: none;
            background: #fff;
            padding: 16px;
            border-top: 1px solid var(--border);
        }

        .mobile-nav[hidden] {
            display: none;
        }

        .mobile-nav:not([hidden]) {
            display: flex;
            flex-direction: column;
        }

        .mobile-nav-link {
            display: flex;
            align-items: center;
            min-height: 46px;
            padding: 10px 14px;
            font-size: 16px;
            font-weight: 600;
            color: var(--text);
            border-bottom: 1px solid #edf3f8;
            border-radius: 10px;
        }

        .mobile-nav-link:hover {
            background: var(--primary-light);
            color: var(--primary-dark);
        }

        .mobile-nav-link.active {
            background: var(--primary-light);
            color: var(--primary-dark);
        }

        .mobile-nav .btn {
            margin-top: 14px;
        }

        /* Hero 支持区 */
        .page-hero {
            position: relative;
            overflow: hidden;
            padding: clamp(52px, 7vw, 84px) 0 64px;
            background: linear-gradient(135deg, #F9FCFE 0%, #E9F3FA 100%);
            border-bottom: 1px solid var(--border);
        }

        .hero-art {
            position: absolute;
            top: 0;
            right: 0;
            width: 55%;
            height: 100%;
            background-image: url('/assets/images/backpic/back-2.webp');
            background-repeat: no-repeat;
            background-position: center;
            background-size: cover;
            opacity: 0.22;
            pointer-events: none;
        }

        .hero-art::after {
            content: "";
            position: absolute;
            inset: 0;
            background: linear-gradient(90deg, rgba(244, 248, 252, 0.9), rgba(244, 248, 252, 0.4) 70%, rgba(244, 248, 252, 0.3));
        }

        .hero-inner {
            position: relative;
            z-index: 2;
            max-width: 900px;
        }

        .breadcrumb {
            display: flex;
            align-items: center;
            flex-wrap: wrap;
            gap: 8px;
            margin-bottom: 24px;
            font-size: 14px;
            color: var(--text-soft);
        }

        .breadcrumb a {
            transition: color 0.2s ease;
        }

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

        .page-hero h1 {
            font-size: clamp(30px, 5vw, 44px);
            font-weight: 800;
            line-height: 1.18;
            letter-spacing: -0.02em;
            color: var(--text);
        }

        .page-lead {
            max-width: 780px;
            margin-top: 18px;
            color: #30506a;
            font-size: 17px;
            line-height: 1.8;
        }

        .support-search-wrap {
            margin-top: 32px;
            max-width: 760px;
        }

        .search-box {
            display: flex;
            align-items: center;
            background: #fff;
            border: 1px solid var(--border);
            border-radius: 16px;
            padding: 7px 7px 7px 18px;
            box-shadow: var(--shadow-sm);
            transition: border-color 0.2s ease, box-shadow 0.2s ease;
        }

        .search-box:focus-within {
            border-color: var(--primary);
            box-shadow: 0 8px 24px rgba(31, 122, 181, 0.14);
        }

        .search-box svg {
            flex: 0 0 auto;
            width: 20px;
            height: 20px;
            color: var(--text-soft);
            margin-right: 10px;
        }

        .search-box input {
            flex: 1;
            min-width: 0;
            border: 0;
            background: transparent;
            color: var(--text);
            font-size: 16px;
            height: 46px;
            outline: none;
            padding: 0;
        }

        .search-box input::placeholder {
            color: #8aa0b3;
        }

        .search-box button {
            height: 46px;
            padding: 0 24px;
            border: 0;
            background: var(--primary);
            color: #fff;
            font-size: 15px;
            font-weight: 700;
            border-radius: 11px;
            transition: background 0.2s ease;
            white-space: nowrap;
        }

        .search-box button:hover {
            background: var(--primary-dark);
        }

        .search-hot {
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            gap: 10px;
            margin-top: 18px;
            color: var(--text-soft);
            font-size: 14px;
        }

        .tag-chip {
            display: inline-flex;
            align-items: center;
            background: rgba(255, 255, 255, 0.8);
            border: 1px solid var(--border);
            border-radius: 999px;
            padding: 6px 14px;
            font-size: 13px;
            font-weight: 600;
            color: var(--text);
            transition: all 0.2s ease;
        }

        .tag-chip:hover {
            border-color: var(--primary);
            background: var(--primary-light);
            color: var(--primary-dark);
        }

        .search-empty {
            margin-top: 14px;
            background: #fff7ed;
            border: 1px solid #f4d7a2;
            color: #8a5a12;
            padding: 12px 16px;
            border-radius: 12px;
            font-size: 14px;
        }

        /* 快捷问题卡 */
        .quick-section {
            background: var(--bg);
        }

        .section-head {
            max-width: 680px;
            margin-bottom: 40px;
        }

        .section-head.center {
            margin-inline: auto;
            text-align: center;
        }

        .section-head h2 {
            margin-top: 12px;
            font-size: clamp(26px, 4vw, 34px);
            font-weight: 800;
            letter-spacing: -0.01em;
            line-height: 1.3;
            color: var(--text);
        }

        .section-head p {
            margin-top: 14px;
            color: var(--text-soft);
            font-size: 16px;
        }

        .quick-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
        }

        .quick-card {
            position: relative;
            background: var(--panel);
            border: 1px solid var(--border);
            border-radius: var(--radius-lg);
            padding: 26px 24px;
            box-shadow: var(--shadow-sm);
            transition: transform 0.2s ease, box-shadow 0.2s ease, border-color 0.2s ease;
        }

        .quick-card:hover {
            transform: translateY(-2px);
            box-shadow: var(--shadow-md);
            border-color: #c6d8e8;
        }

        .quick-icon {
            width: 46px;
            height: 46px;
            border-radius: 14px;
            background: var(--primary-light);
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--primary);
            margin-bottom: 18px;
        }

        .quick-card h3 {
            font-size: 18px;
            font-weight: 700;
            margin-bottom: 8px;
        }

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

        .quick-link {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            margin-top: 16px;
            color: var(--primary);
            font-size: 14px;
            font-weight: 700;
        }

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

        /* 流程引导 */
        .process-section {
            background: var(--panel);
            border-top: 1px solid var(--border);
            border-bottom: 1px solid var(--border);
        }

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

        .step-item {
            background: var(--bg);
            border: 1px solid #e7eef5;
            border-radius: var(--radius-lg);
            padding: 26px 24px;
            transition: transform 0.2s ease, box-shadow 0.2s ease, background 0.2s ease;
        }

        .step-item:hover {
            transform: translateY(-2px);
            box-shadow: var(--shadow-md);
            background: #fff;
        }

        .step-num {
            width: 46px;
            height: 46px;
            border-radius: 14px;
            background: var(--primary);
            color: #fff;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 18px;
            font-weight: 800;
            box-shadow: 0 8px 18px rgba(31, 122, 181, 0.2);
            margin-bottom: 18px;
        }

        .step-item h3 {
            font-size: 17px;
            font-weight: 700;
            margin-bottom: 10px;
        }

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

        /* FAQ 左右布局 */
        .faq-section {
            background: var(--bg);
        }

        .faq-layout {
            display: grid;
            grid-template-columns: 292px 1fr;
            gap: 40px;
            align-items: start;
        }

        .faq-dir {
            position: sticky;
            top: 100px;
            background: var(--panel);
            border: 1px solid var(--border);
            border-radius: var(--radius-lg);
            padding: 22px;
            box-shadow: var(--shadow-sm);
        }

        .dir-title {
            font-size: 18px;
            font-weight: 800;
            margin-bottom: 18px;
            color: var(--text);
        }

        .dir-nav {
            display: flex;
            flex-direction: column;
            gap: 8px;
        }

        .dir-link {
            display: flex;
            align-items: center;
            gap: 12px;
            padding: 12px 12px;
            border-radius: 12px;
            background: #f6fafc;
            border: 1px solid transparent;
            transition: all 0.2s ease;
            font-weight: 600;
            font-size: 15px;
        }

        .dir-link:hover {
            background: var(--primary-light);
            border-color: #cfe4f0;
            color: var(--primary-dark);
        }

        .dir-link b {
            flex: 1;
        }

        .dir-index {
            flex: 0 0 auto;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 28px;
            height: 28px;
            border-radius: 9px;
            background: #dceafa;
            color: var(--primary-dark);
            font-size: 13px;
            font-weight: 700;
        }

        .dir-note {
            margin-top: 20px;
            background: var(--bg);
            border: 1px solid #e9f1f7;
            border-radius: 14px;
            padding: 16px;
        }

        .dir-note span {
            font-size: 13px;
            font-weight: 800;
            color: var(--primary-dark);
        }

        .dir-note p {
            margin-top: 6px;
            font-size: 13px;
            color: var(--text-soft);
            line-height: 1.6;
        }

        .faq-content {
            min-width: 0;
        }

        .faq-group {
            scroll-margin-top: 110px;
            margin-bottom: 42px;
            background: var(--panel);
            border: 1px solid var(--border);
            border-radius: var(--radius-lg);
            padding: 28px;
            box-shadow: var(--shadow-sm);
        }

        .faq-group:last-child {
            margin-bottom: 0;
        }

        .group-heading {
            display: flex;
            align-items: center;
            gap: 12px;
            margin-bottom: 22px;
            padding-bottom: 16px;
            border-bottom: 1px solid var(--border);
        }

        .group-num {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            min-width: 42px;
            height: 34px;
            padding: 0 10px;
            background: var(--primary-light);
            color: var(--primary-dark);
            border-radius: 999px;
            font-size: 13px;
            font-weight: 800;
        }

        .group-heading h2 {
            font-size: 22px;
            font-weight: 800;
            line-height: 1.3;
        }

        .faq-item {
            background: var(--bg);
            border: 1px solid #e9f1f7;
            border-radius: 14px;
            margin: 12px 0;
            overflow: hidden;
            transition: background 0.2s ease, border-color 0.2s ease, box-shadow 0.2s ease;
        }

        .faq-item[open] {
            background: #fff;
            border-color: var(--border);
            box-shadow: var(--shadow-sm);
        }

        .faq-item summary {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 18px;
            list-style: none;
            padding: 16px 18px;
            min-height: 50px;
            cursor: pointer;
            font-weight: 700;
            font-size: 16px;
            line-height: 1.5;
            color: var(--text);
            transition: color 0.2s ease;
            user-select: none;
        }

        .faq-item summary::-webkit-details-marker {
            display: none;
        }

        .faq-item summary:hover {
            color: var(--primary-dark);
        }

        .faq-item[open] summary {
            color: var(--primary-dark);
        }

        .faq-icon {
            position: relative;
            width: 28px;
            height: 28px;
            border-radius: 50%;
            background: #dceafa;
            flex: 0 0 auto;
            transition: background 0.2s ease;
        }

        .faq-icon::before,
        .faq-icon::after {
            content: "";
            position: absolute;
            top: 50%;
            left: 50%;
            width: 12px;
            height: 2px;
            background: var(--primary-dark);
            border-radius: 3px;
            transform: translate(-50%, -50%);
        }

        .faq-icon::after {
            transform: translate(-50%, -50%) rotate(90deg);
            transition: opacity 0.2s ease;
        }

        .faq-item[open] .faq-icon {
            background: var(--primary);
        }

        .faq-item[open] .faq-icon::before,
        .faq-item[open] .faq-icon::after {
            background: #fff;
        }

        .faq-item[open] .faq-icon::after {
            opacity: 0;
        }

        .faq-answer {
            padding: 0 18px 18px;
            color: #405c74;
            font-size: 15px;
            line-height: 1.8;
            border-left: 3px solid var(--primary);
            margin-left: 18px;
            padding-left: 16px;
        }

        .faq-answer p + p {
            margin-top: 10px;
        }

        /* 图文引导 */
        .access-section {
            background: #fff;
            border-bottom: 1px solid var(--border);
        }

        .media-split {
            display: grid;
            grid-template-columns: 1.05fr 0.95fr;
            gap: 56px;
            align-items: center;
        }

        .media-copy .eyebrow {
            margin-bottom: 14px;
        }

        .media-copy h2 {
            margin-top: 14px;
            font-size: clamp(26px, 4vw, 34px);
            font-weight: 800;
            line-height: 1.3;
            letter-spacing: -0.01em;
        }

        .media-copy > p {
            margin-top: 16px;
            color: var(--text-soft);
            font-size: 16px;
            line-height: 1.8;
        }

        .check-list {
            margin-top: 24px;
            display: flex;
            flex-direction: column;
            gap: 12px;
        }

        .check-list li {
            display: flex;
            gap: 14px;
            align-items: flex-start;
            background: var(--bg);
            padding: 16px 18px;
            border-radius: 14px;
            border: 1px solid #e8f0f6;
        }

        .check-list b {
            display: block;
            color: var(--text);
            font-size: 15px;
            font-weight: 800;
            margin-bottom: 2px;
        }

        .check-list span {
            display: block;
            color: var(--text-soft);
            font-size: 14px;
            line-height: 1.6;
        }

        .check-dot {
            flex: 0 0 auto;
            width: 9px;
            height: 9px;
            border-radius: 50%;
            background: var(--success);
            margin-top: 8px;
        }

        .media-figure {
            border-radius: 22px;
            overflow: hidden;
            border: 1px solid var(--border);
            background: var(--primary-light);
            box-shadow: 0 16px 32px rgba(31, 58, 82, 0.08);
        }

        .media-figure img {
            width: 100%;
            height: 380px;
            object-fit: cover;
        }

        .media-figure figcaption {
            padding: 14px 18px;
            font-size: 13px;
            color: var(--text-soft);
            background: #fff;
            border-top: 1px solid var(--border);
        }

        /* CTA 横幅 */
        .cta-section {
            background: var(--bg);
        }

        .cta-card {
            display: grid;
            grid-template-columns: 1fr auto;
            gap: 24px;
            align-items: center;
            background: var(--primary-light);
            border: 1px solid #cfe4f0;
            border-radius: 22px;
            padding: clamp(30px, 4vw, 48px);
            box-shadow: var(--shadow-sm);
        }

        .cta-card h2 {
            margin-top: 10px;
            font-size: clamp(24px, 3vw, 32px);
            font-weight: 800;
            line-height: 1.3;
        }

        .cta-card p {
            margin-top: 12px;
            color: #405c74;
            font-size: 16px;
            line-height: 1.7;
        }

        .cta-actions {
            display: flex;
            flex-wrap: wrap;
            gap: 12px;
        }

        /* Footer */
        .footer {
            background: #eaf2f8;
            border-top: 1px solid var(--border);
            padding-top: 56px;
            font-size: 14px;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 1.6fr repeat(3, 1fr);
            gap: 44px;
            padding-bottom: 48px;
            border-bottom: 1px solid var(--border);
        }

        .footer-brand .brand {
            margin-bottom: 14px;
        }

        .footer-text {
            color: var(--text-soft);
            font-size: 14px;
            line-height: 1.8;
            max-width: 320px;
        }

        .footer h3 {
            font-size: 16px;
            font-weight: 800;
            margin-bottom: 16px;
            color: var(--text);
        }

        .footer-links {
            display: flex;
            flex-direction: column;
            gap: 8px;
        }

        .footer-links a {
            display: inline-flex;
            color: var(--text-soft);
            transition: color 0.2s ease;
            line-height: 1.5;
        }

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

        .footer-bottom {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            flex-wrap: wrap;
            min-height: 68px;
            color: var(--text-soft);
            font-size: 13px;
        }

        .footer-domain {
            color: var(--text);
            font-weight: 700;
        }

        @media (max-width: 1080px) {
            .quick-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 16px;
            }

            .step-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 16px;
            }

            .faq-layout {
                grid-template-columns: 250px 1fr;
                gap: 24px;
            }

            .footer-grid {
                grid-template-columns: 1.3fr repeat(3, 1fr);
                gap: 28px;
            }
        }

        @media (max-width: 920px) {
            .container {
                padding-inline: 24px;
            }

            .main-nav {
                display: none;
            }

            .header-cta {
                display: none;
            }

            .nav-toggle {
                display: inline-flex;
            }

            .faq-layout {
                grid-template-columns: 1fr;
            }

            .faq-dir {
                position: static;
            }

            .dir-nav {
                flex-direction: row;
                flex-wrap: wrap;
            }

            .dir-link {
                flex: 1 1 calc(50% - 6px);
            }

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

            .media-figure img {
                height: 300px;
            }

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

        @media (max-width: 640px) {
            .container {
                padding-inline: 18px;
            }

            .section {
                padding: 48px 0;
            }

            .header-inner {
                min-height: 64px;
                gap: 8px;
            }

            .brand-mark {
                width: 38px;
                height: 38px;
                border-radius: 12px;
                font-size: 17px;
            }

            .brand-main {
                font-size: 14px;
                white-space: normal;
                line-height: 1.2;
            }

            .brand-sub {
                font-size: 11px;
            }

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

            .page-lead {
                font-size: 15px;
            }

            .search-box {
                flex-direction: column;
                align-items: stretch;
                padding: 10px;
                border-radius: 14px;
            }

            .search-box svg {
                display: none;
            }

            .search-box input {
                height: 46px;
                width: 100%;
                padding-left: 12px;
            }

            .search-box button {
                width: 100%;
                margin-top: 4px;
            }

            .search-hot {
                gap: 8px;
            }

            .quick-grid,
            .step-grid {
                grid-template-columns: 1fr;
            }

            .faq-group {
                padding: 18px;
            }

            .group-heading {
                flex-direction: column;
                align-items: flex-start;
            }

            .group-heading h2 {
                font-size: 19px;
            }

            .faq-item summary {
                padding: 14px 14px;
                font-size: 15px;
            }

            .faq-answer {
                margin-left: 12px;
                padding-right: 12px;
            }

            .media-figure img {
                height: 220px;
            }

            .cta-card {
                grid-template-columns: 1fr;
                padding: 24px 20px;
            }

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

            .footer {
                padding-top: 40px;
            }

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

            .footer-bottom {
                flex-direction: column;
                align-items: flex-start;
                padding-block: 16px;
            }

            .dir-link {
                flex: 1 1 100%;
            }

            .mobile-nav {
                padding: 12px;
            }
        }

        @media (max-width: 480px) {
            .brand-main {
                font-size: 13px;
            }

            .brand-sub {
                display: none;
            }

            .brand > span:last-child {
                display: flex;
                flex-direction: row;
            }

            .brand > span:last-child .brand-main {
                white-space: normal;
            }

            .header-inner {
                gap: 6px;
            }
        }

/* roulang page: category4 */
:root {
            --bg: #F4F8FC;
            --panel: #FFFFFF;
            --primary: #1F7AB5;
            --primary-dark: #135E92;
            --primary-soft: #E4F0F8;
            --accent: #F2B544;
            --accent-dark: #D98E17;
            --success: #2FA880;
            --text: #1F3A52;
            --text-soft: #60778B;
            --border: #DCE7F0;
            --radius-xs: 6px;
            --radius-sm: 8px;
            --radius-md: 12px;
            --radius-lg: 16px;
            --radius-xl: 24px;
            --shadow-sm: 0 4px 16px rgba(31, 58, 82, 0.06);
            --shadow-md: 0 10px 24px rgba(31, 58, 82, 0.08);
            --shadow-lg: 0 20px 48px rgba(31, 58, 82, 0.12);
            --section-gap: clamp(56px, 8vw, 96px);
        }

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

        html {
            scroll-behavior: smooth;
        }

        body {
            margin: 0;
            font-family: "PingFang SC", "Microsoft YaHei", "Noto Sans SC", "Source Han Sans SC", sans-serif;
            font-size: 16px;
            line-height: 1.75;
            background: var(--bg);
            color: var(--text);
            -webkit-font-smoothing: antialiased;
            overflow-x: hidden;
        }

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

        a {
            color: inherit;
            text-decoration: none;
        }

        ul,
        ol {
            list-style: none;
            margin: 0;
            padding: 0;
        }

        h1,
        h2,
        h3,
        h4,
        p {
            margin: 0;
        }

        button,
        input,
        select,
        textarea {
            font: inherit;
            color: inherit;
        }

        button {
            border: 0;
            cursor: pointer;
        }

        .skip-link {
            position: absolute;
            left: -999px;
            top: 12px;
            background: var(--primary);
            color: #fff;
            padding: 10px 18px;
            border-radius: var(--radius-sm);
            z-index: 999;
        }

        .skip-link:focus {
            left: 16px;
        }

        .container {
            width: 100%;
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 clamp(16px, 3.8vw, 48px);
        }

        .section {
            padding: var(--section-gap) 0;
        }

        .section-soft {
            background: linear-gradient(180deg, #F0F6FB 0%, #FFFFFF 100%);
        }

        .site-header {
            position: sticky;
            top: 0;
            z-index: 100;
            background: rgba(255, 255, 255, 0.94);
            backdrop-filter: blur(12px);
            box-shadow: 0 1px 0 rgba(31, 58, 82, 0.04);
            border-bottom: 1px solid var(--border);
        }

        .header-inner {
            display: flex;
            align-items: center;
            min-height: 74px;
            gap: 16px;
        }

        .brand {
            display: inline-flex;
            align-items: center;
            gap: 12px;
            flex-shrink: 0;
            padding: 8px 0;
        }

        .brand-mark {
            width: 40px;
            height: 40px;
            border-radius: 12px;
            background: var(--primary);
            color: #fff;
            font-size: 22px;
            font-weight: 800;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            box-shadow: 0 6px 16px rgba(31, 122, 181, 0.24);
            flex-shrink: 0;
        }

        .brand-text {
            display: flex;
            flex-direction: column;
            line-height: 1.2;
        }

        .brand-main {
            font-size: 16px;
            font-weight: 800;
            color: var(--text);
            letter-spacing: 0;
            white-space: nowrap;
        }

        .brand-sub {
            font-size: 12px;
            color: var(--text-soft);
            letter-spacing: 0.04em;
            margin-top: 2px;
        }

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

        .nav-link {
            display: inline-flex;
            align-items: center;
            min-height: 38px;
            padding: 0 16px;
            border-radius: 999px;
            font-size: 15px;
            font-weight: 500;
            color: var(--text);
            transition: background 0.2s ease, color 0.2s ease;
            white-space: nowrap;
        }

        .nav-link:hover {
            background: #EDF5FB;
            color: var(--primary-dark);
        }

        .nav-link.active,
        .nav-link[aria-current="page"] {
            background: var(--primary-soft);
            color: var(--primary-dark);
            font-weight: 700;
        }

        .header-cta {
            margin-left: 14px;
            flex-shrink: 0;
        }

        .nav-toggle {
            display: none;
            align-items: center;
            justify-content: center;
            width: 44px;
            height: 44px;
            border-radius: 12px;
            background: var(--primary-soft);
            color: var(--primary-dark);
            padding: 0;
            transition: background 0.2s ease;
        }

        .nav-toggle:hover {
            background: #D5E8F4;
        }

        .nav-toggle svg {
            width: 22px;
            height: 22px;
        }

        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            border-radius: var(--radius-sm);
            font-weight: 700;
            line-height: 1;
            transition: background 0.2s ease, border 0.2s ease, box-shadow 0.2s ease, transform 0.15s ease;
            border: 1px solid transparent;
        }

        .btn:active {
            transform: scale(0.98);
        }

        .btn:focus-visible,
        .nav-link:focus-visible,
        a:focus-visible {
            outline: 2px dashed var(--primary);
            outline-offset: 3px;
        }

        .btn-lg {
            min-height: 52px;
            padding: 0 28px;
            font-size: 16px;
            border-radius: 10px;
        }

        .btn-md {
            min-height: 46px;
            padding: 0 22px;
            font-size: 15px;
            border-radius: 10px;
        }

        .btn-sm {
            min-height: 40px;
            padding: 0 18px;
            font-size: 14px;
            border-radius: 8px;
        }

        .btn-primary {
            background: var(--primary);
            color: #fff;
            box-shadow: 0 10px 24px rgba(31, 122, 181, 0.2);
        }

        .btn-primary:hover {
            background: var(--primary-dark);
            box-shadow: 0 14px 32px rgba(31, 122, 181, 0.26);
            transform: translateY(-1px);
        }

        .btn-ghost {
            background: #fff;
            color: var(--primary-dark);
            border-color: #C6D9E8;
        }

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

        .page-hero {
            position: relative;
            padding: clamp(52px, 8vw, 96px) 0;
            background: linear-gradient(180deg, #EAF3FA 0%, #F7FBFE 78%, #fff 100%);
            overflow: hidden;
        }

        .page-hero::before {
            content: "";
            position: absolute;
            top: -120px;
            right: 8%;
            width: 320px;
            height: 320px;
            border-radius: 50%;
            background: rgba(31, 122, 181, 0.08);
            filter: blur(20px);
            z-index: 0;
            pointer-events: none;
        }

        .page-hero::after {
            content: "";
            position: absolute;
            bottom: -160px;
            left: -40px;
            width: 360px;
            height: 360px;
            border-radius: 50%;
            background: rgba(242, 181, 68, 0.08);
            filter: blur(22px);
            z-index: 0;
            pointer-events: none;
        }

        .hero-inner {
            position: relative;
            z-index: 2;
            display: grid;
            grid-template-columns: minmax(0, 1.02fr) minmax(0, 0.98fr);
            align-items: center;
            gap: clamp(30px, 5vw, 72px);
        }

        .hero-copy {
            max-width: 660px;
        }

        .eyebrow {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 6px 14px;
            border-radius: 999px;
            background: var(--primary-soft);
            color: var(--primary-dark);
            font-size: 13px;
            font-weight: 600;
            letter-spacing: 0.02em;
        }

        .hero-title {
            font-size: clamp(32px, 4.6vw, 44px);
            font-weight: 800;
            line-height: 1.28;
            letter-spacing: -0.02em;
            color: var(--text);
            margin: 22px 0 18px;
        }

        .hero-title .hero-accent {
            color: var(--primary);
        }

        .hero-desc {
            font-size: 16px;
            line-height: 1.9;
            color: var(--text-soft);
            max-width: 560px;
        }

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

        .trust-line {
            display: flex;
            align-items: center;
            gap: 8px;
            margin-top: 20px;
            font-size: 13px;
            color: var(--text-soft);
        }

        .trust-icon {
            width: 18px;
            height: 18px;
            color: var(--success);
        }

        .hero-media {
            position: relative;
        }

        .hero-shot {
            border-radius: 22px;
            overflow: hidden;
            aspect-ratio: 4 / 3;
            background: var(--primary-soft);
            box-shadow: var(--shadow-lg);
            border: 6px solid rgba(255, 255, 255, 0.82);
        }

        .hero-shot img {
            width: 100%;
            height: 100%;
            object-fit: cover;
        }

        .hero-float-tag {
            position: absolute;
            left: -18px;
            bottom: 24px;
            background: #fff;
            border: 1px solid var(--border);
            box-shadow: var(--shadow-md);
            border-radius: 14px;
            padding: 12px 16px;
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 14px;
            font-weight: 600;
            color: var(--text);
        }

        .hero-float-tag span:first-child {
            width: 34px;
            height: 34px;
            border-radius: 10px;
            background: #E7F6EF;
            color: var(--success);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 18px;
        }

        .section-head {
            max-width: 840px;
            margin-bottom: 48px;
        }

        .section-head .eyebrow {
            margin-bottom: 14px;
        }

        .section-head h2 {
            font-size: clamp(28px, 3.4vw, 36px);
            font-weight: 800;
            line-height: 1.35;
            letter-spacing: -0.02em;
            color: var(--text);
        }

        .section-head p {
            margin-top: 14px;
            color: var(--text-soft);
            font-size: 16px;
            line-height: 1.9;
        }

        .media-row {
            display: grid;
            grid-template-columns: minmax(0, 0.95fr) minmax(0, 1.05fr);
            align-items: center;
            gap: clamp(28px, 5vw, 64px);
        }

        .media-row+.media-row {
            margin-top: clamp(36px, 6vw, 72px);
        }

        .media-copy h3 {
            font-size: 24px;
            font-weight: 800;
            line-height: 1.4;
            color: var(--text);
        }

        .media-copy p {
            margin-top: 14px;
            color: var(--text-soft);
            line-height: 1.9;
        }

        .media-copy .lead-list {
            margin-top: 20px;
            display: grid;
            gap: 14px;
        }

        .lead-list li {
            display: flex;
            gap: 12px;
            align-items: flex-start;
            color: var(--text);
            line-height: 1.75;
        }

        .lead-list .li-ico {
            width: 24px;
            height: 24px;
            flex: 0 0 24px;
            border-radius: 50%;
            background: var(--primary-soft);
            color: var(--primary-dark);
            display: inline-flex;
            align-items: center;
            justify-content: center;
            font-size: 13px;
            font-weight: 700;
            margin-top: 2px;
        }

        .lead-list .li-ico.green {
            background: #E7F6EF;
            color: var(--success);
        }

        .lead-list .li-ico.amber {
            background: #FFF4DF;
            color: var(--accent-dark);
        }

        .media-visual {
            position: relative;
        }

        .media-visual .frame {
            border-radius: 22px;
            overflow: hidden;
            aspect-ratio: 4 / 3;
            background: var(--primary-soft);
            box-shadow: var(--shadow-lg);
            position: relative;
        }

        .media-visual .frame img {
            width: 100%;
            height: 100%;
            object-fit: cover;
        }

        .media-visual::before {
            content: "";
            position: absolute;
            inset: 16px -16px -16px 16px;
            border-radius: 24px;
            background: rgba(31, 122, 181, 0.06);
            z-index: -1;
        }

        .media-row.reverse .media-visual::before {
            inset: 16px 16px -16px -16px;
        }

        .visual-caption {
            position: absolute;
            left: 14px;
            bottom: 14px;
            background: rgba(255, 255, 255, 0.92);
            backdrop-filter: blur(6px);
            border-radius: 12px;
            border: 1px solid rgba(255, 255, 255, 0.6);
            padding: 9px 14px;
            font-size: 13px;
            font-weight: 600;
            color: var(--text);
            box-shadow: var(--shadow-sm);
        }

        .step-list {
            margin-top: 20px;
            display: grid;
            gap: 14px;
        }

        .step-list li {
            display: flex;
            gap: 14px;
            align-items: flex-start;
            background: #fff;
            border: 1px solid var(--border);
            border-radius: 14px;
            padding: 14px 16px;
            box-shadow: 0 2px 8px rgba(31, 58, 82, 0.04);
        }

        .step-list .step-num {
            background: var(--primary);
            color: #fff;
            width: 28px;
            height: 28px;
            border-radius: 9px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 13px;
            font-weight: 800;
            flex: 0 0 28px;
            margin-top: 1px;
        }

        .step-list strong {
            display: block;
            color: var(--text);
            font-weight: 700;
            line-height: 1.5;
        }

        .step-list span {
            color: var(--text-soft);
            font-size: 14px;
            line-height: 1.75;
            margin-top: 3px;
            display: block;
        }

        .section-divider {
            height: 1px;
            background: var(--border);
            max-width: 1200px;
            margin: 0 auto;
        }

        .panel-split {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 28px;
        }

        .soft-panel {
            background: #fff;
            border: 1px solid var(--border);
            border-radius: 20px;
            padding: 28px;
            box-shadow: var(--shadow-sm);
        }

        .soft-panel h3 {
            font-size: 20px;
            font-weight: 800;
            color: var(--text);
            padding-bottom: 14px;
            margin-bottom: 18px;
            border-bottom: 1px solid var(--border);
        }

        .plain-list {
            display: grid;
            gap: 12px;
        }

        .plain-list li {
            display: flex;
            gap: 10px;
            color: var(--text);
            line-height: 1.7;
        }

        .plain-list li:empty::before {
            content: "—";
        }

        .plain-green {
            color: var(--success);
            font-weight: 800;
            line-height: 1.6;
        }

        .plain-amber {
            color: var(--accent-dark);
            font-weight: 800;
            line-height: 1.6;
        }

        .faq-section {
            background: linear-gradient(180deg, #fff 0%, #F4F8FC 100%);
        }

        .faq-wrap {
            max-width: 880px;
            margin: 0 auto;
            display: grid;
            gap: 16px;
        }

        .faq-item {
            background: #fff;
            border: 1px solid var(--border);
            border-radius: 14px;
            box-shadow: var(--shadow-sm);
            overflow: hidden;
            transition: border 0.2s ease, box-shadow 0.2s ease;
        }

        .faq-item[open] {
            border-left: 4px solid var(--primary);
            box-shadow: var(--shadow-md);
        }

        .faq-item summary {
            list-style: none;
            cursor: pointer;
            display: flex;
            align-items: center;
            gap: 14px;
            padding: 20px 22px;
            background: #fff;
            transition: background 0.2s ease;
        }

        .faq-item summary::-webkit-details-marker {
            display: none;
        }

        .faq-item summary:hover {
            background: #F7FAFD;
        }

        .faq-q-title {
            flex: 1;
            font-size: 17px;
            font-weight: 700;
            line-height: 1.6;
            color: var(--text);
        }

        .faq-q-index {
            width: 30px;
            height: 30px;
            border-radius: 50%;
            background: var(--primary-soft);
            color: var(--primary-dark);
            display: inline-flex;
            align-items: center;
            justify-content: center;
            font-size: 12px;
            font-weight: 800;
            flex: 0 0 30px;
        }

        .faq-plus {
            width: 30px;
            height: 30px;
            border-radius: 50%;
            background: #EDF3F8;
            color: var(--text);
            display: inline-flex;
            align-items: center;
            justify-content: center;
            font-size: 22px;
            font-weight: 400;
            flex: 0 0 30px;
            transition: transform 0.2s ease, background 0.2s ease;
        }

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

        .faq-body {
            padding: 2px 22px 22px 66px;
        }

        .faq-body p {
            color: var(--text-soft);
            font-size: 15px;
            line-height: 1.9;
        }

        .cta-band {
            padding: 0 0 var(--section-gap);
        }

        .cta-card {
            background: #F2F8FD;
            border: 1px solid #CFE2EF;
            border-radius: 24px;
            padding: clamp(28px, 5vw, 52px);
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 28px;
            flex-wrap: wrap;
            box-shadow: var(--shadow-sm);
        }

        .cta-card h2 {
            font-size: clamp(24px, 3vw, 32px);
            font-weight: 800;
            color: var(--text);
            line-height: 1.4;
        }

        .cta-card p {
            margin-top: 10px;
            color: var(--text-soft);
            max-width: 620px;
        }

        .cta-actions {
            display: flex;
            gap: 12px;
            flex-wrap: wrap;
            margin-left: auto;
        }

        .feedback-section {
            padding-bottom: var(--section-gap);
        }

        .feedback-card {
            background: #fff;
            border: 1px solid var(--border);
            border-radius: 24px;
            overflow: hidden;
            display: grid;
            grid-template-columns: 0.9fr 1.1fr;
            box-shadow: var(--shadow-lg);
        }

        .feedback-intro {
            padding: clamp(28px, 4vw, 48px);
            background: linear-gradient(145deg, #EAF3FA 0%, #F7FBFE 100%);
        }

        .feedback-intro h2 {
            font-size: 26px;
            font-weight: 800;
            line-height: 1.4;
        }

        .feedback-intro p {
            color: var(--text-soft);
            margin: 14px 0 22px;
            line-height: 1.8;
        }

        .feedback-intro-list {
            display: grid;
            gap: 12px;
        }

        .feedback-intro-list li {
            display: flex;
            gap: 10px;
            color: var(--text);
            font-size: 15px;
        }

        .feedback-intro-list span {
            color: var(--success);
            font-weight: 800;
        }

        .feedback-form {
            padding: clamp(28px, 4vw, 48px);
        }

        .form-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 18px 22px;
            margin-top: 22px;
        }

        .form-group {
            display: flex;
            flex-direction: column;
            gap: 8px;
        }

        .form-group.full {
            grid-column: 1 / -1;
        }

        .form-group label {
            font-size: 14px;
            font-weight: 700;
            color: var(--text);
        }

        .form-control {
            background: #fff;
            border: 1px solid #C9D9E7;
            border-radius: 10px;
            min-height: 48px;
            padding: 11px 14px;
            font-size: 15px;
            transition: border 0.2s ease, box-shadow 0.2s ease;
            width: 100%;
        }

        .form-control:focus {
            outline: none;
            border-color: var(--primary);
            box-shadow: 0 0 0 4px rgba(31, 122, 181, 0.14);
        }

        textarea.form-control {
            min-height: 132px;
            resize: vertical;
            line-height: 1.7;
        }

        .form-tip {
            margin-top: 16px;
            font-size: 13px;
            color: var(--text-soft);
            line-height: 1.7;
        }

        .form-submit-row {
            display: flex;
            align-items: center;
            gap: 14px;
            margin-top: 20px;
            flex-wrap: wrap;
        }

        .form-status {
            display: none;
            background: #E7F6EF;
            color: #176E55;
            border: 1px solid #C5EADB;
            border-radius: 10px;
            padding: 10px 16px;
            font-size: 14px;
        }

        .footer {
            background: #EAF2F9;
            border-top: 1px solid var(--border);
            padding-top: 68px;
        }

        .footer a {
            transition: color 0.2s ease;
        }

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

        .footer-grid {
            display: grid;
            grid-template-columns: 1.6fr 1fr 1fr 1fr;
            gap: 42px;
            padding-bottom: 44px;
            border-bottom: 1px solid #D4E2ED;
        }

        .footer-brand .brand {
            margin-bottom: 16px;
        }

        .footer-text {
            color: var(--text-soft);
            font-size: 14px;
            line-height: 1.9;
            max-width: 340px;
        }

        .footer h3 {
            font-size: 16px;
            font-weight: 800;
            color: var(--text);
            margin-bottom: 16px;
        }

        .footer-links {
            display: grid;
            gap: 10px;
        }

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

        .footer-bottom {
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 10px;
            padding: 24px 0;
            font-size: 14px;
            color: var(--text-soft);
        }

        .footer-domain {
            font-family: "Inter", "Segoe UI", "Roboto", sans-serif;
            font-weight: 600;
            color: var(--text);
        }

        @media (max-width: 1100px) {
            .header-cta {
                display: none;
            }

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

            .main-nav {
                position: fixed;
                top: 74px;
                left: 16px;
                right: 16px;
                z-index: 99;
                display: none;
                flex-direction: column;
                align-items: stretch;
                gap: 6px;
                background: #fff;
                border: 1px solid var(--border);
                border-radius: 18px;
                padding: 12px;
                box-shadow: var(--shadow-lg);
            }

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

            .main-nav .nav-link {
                width: 100%;
                min-height: 46px;
                display: flex;
                align-items: center;
                padding: 0 14px;
                font-size: 16px;
                border-radius: 12px;
            }

            .brand-main {
                font-size: 15px;
            }

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

            .hero-copy {
                max-width: 720px;
            }

            .hero-float-tag {
                left: 12px;
                bottom: 12px;
            }

            .media-row {
                grid-template-columns: 1fr;
                gap: 30px;
            }

            .media-row .media-copy,
            .media-row.reverse .media-copy {
                order: 1;
            }

            .media-row .media-visual,
            .media-row.reverse .media-visual {
                order: 2;
            }

            .panel-split,
            .feedback-card {
                grid-template-columns: 1fr;
            }

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

        @media (max-width: 640px) {
            .site-header {
                min-height: 66px;
            }

            .header-inner {
                min-height: 66px;
            }

            .main-nav {
                top: 66px;
                left: 12px;
                right: 12px;
            }

            .brand-main {
                font-size: 14px;
            }

            .brand-sub {
                font-size: 11px;
            }

            .brand-mark {
                width: 36px;
                height: 36px;
                font-size: 19px;
                border-radius: 10px;
            }

            .hero-title {
                font-size: 28px;
                line-height: 1.3;
            }

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

            .hero-actions,
            .cta-actions {
                width: 100%;
                flex-direction: column;
            }

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

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

            .media-copy h3 {
                font-size: 20px;
            }

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

            .form-group.full {
                grid-column: auto;
            }

            .footer-grid {
                grid-template-columns: 1fr;
                gap: 26px;
            }

            .footer-bottom {
                flex-direction: column;
                align-items: flex-start;
            }

            .faq-body {
                padding: 0 18px 20px 52px;
            }

            .faq-item summary {
                padding: 16px;
                gap: 10px;
            }

            .faq-q-title {
                font-size: 15px;
            }

            .visual-caption {
                font-size: 12px;
                left: 10px;
                bottom: 10px;
            }
        }