:root{
    --bg:#F3FBFA;
    --bg-deep:#E4F4F1;
    --card:#FFFFFF;
    --sub:#D4EFEC;
    --ink:#0D2E2B;
    --text:#163834;
    --muted:#4A706C;
    --soft:#6A8E89;
    --brand:#0E9A88;
    --bright:#1EC8B6;
    --deep:#0A6B5E;
    --porcelain:#F7FFFE;
    --border:rgba(14,154,136,.16);
    --border-strong:rgba(14,154,136,.42);
    --shadow:0 12px 28px rgba(10,107,94,.08);
}
*{box-sizing:border-box}
html{scroll-behavior:smooth;overflow-x:hidden}
body{margin:0;background:var(--bg);color:var(--text);font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","Microsoft YaHei","PingFang SC","Noto Sans CJK SC",Arial,sans-serif;font-size:15px;line-height:1.7;overflow-x:hidden}
body.ui-locked{overflow:hidden}
a{color:inherit;text-decoration:none}
button,input{font:inherit}
button{cursor:pointer}
img{max-width:100%;display:block}
.site-topline{position:fixed;z-index:80;top:0;left:0;right:0;height:22px;background:var(--deep);color:#fff;font-size:12px}
.topline-inner{max-width:1120px;height:22px;margin:0 auto;padding:0 16px;display:flex;align-items:center;justify-content:space-between}
.topline-search{min-width:44px;height:22px;padding:0 8px;border:0;background:transparent;color:#fff;font-size:12px}
.site-header{position:fixed;z-index:79;top:22px;left:0;right:0;height:60px;background:#fff;border-bottom:1px solid var(--border)}
.header-inner{max-width:1120px;height:60px;margin:0 auto;padding:0 16px;display:grid;grid-template-columns:1fr auto 1fr;align-items:center;gap:12px}
.brand-link{justify-self:start;min-width:80px;min-height:44px;display:flex;align-items:center}
.brand-logo{height:28px;width:auto;object-fit:contain}
.brand-fallback{font-size:16px;font-weight:800;color:var(--ink)}
.drawer-open{min-width:72px;height:44px;border:1px solid var(--border-strong);border-radius:10px;background:var(--porcelain);color:var(--deep);font-size:14px;font-weight:700}
.app-link{justify-self:end;min-width:78px;height:44px;padding:0 14px;display:flex;align-items:center;justify-content:center;border-radius:10px;background:linear-gradient(135deg,#1EC8B6 0%,#0E9A88 55%,#0A6B5E 100%);color:#fff;font-weight:700;font-size:14px;white-space:nowrap}
.quick-tabs{position:fixed;z-index:78;top:82px;left:0;right:0;height:40px;background:var(--porcelain);border-bottom:1px solid var(--border)}
.quick-tabs-inner{max-width:1120px;height:40px;margin:0 auto;display:flex;align-items:center;justify-content:center;gap:8px;padding:0 16px}
.quick-tab{height:30px;padding:0 16px;border-radius:9px;display:flex;align-items:center;justify-content:center;color:var(--muted);font-size:13px;font-weight:700}
.quick-tab:hover,.quick-tab:focus-visible{background:var(--sub);color:var(--ink)}
.quick-tab.is-current{background:var(--brand);color:#fff}
.site-main{min-height:65vh;padding:150px 16px 48px}
.page-wrap{width:min(1120px,100%);margin:0 auto}
.page-head{margin-bottom:24px}
.eyebrow{display:inline-flex;align-items:center;min-height:28px;padding:3px 10px;border:1px solid var(--border);border-radius:999px;background:var(--porcelain);color:var(--deep);font-size:13px;font-weight:700;margin-bottom:10px}
h1,h2,h3{margin:0;color:var(--ink);line-height:1.3}
h1{font-size:24px;margin-bottom:10px}
h2{font-size:20px;margin-bottom:10px}
h3{font-size:16px;margin-bottom:8px}
p{margin:0 0 12px}
.lead{max-width:860px;color:var(--muted);font-size:15px}
.section{margin:26px 0;padding:24px;background:var(--card);border:1px solid var(--border);border-radius:14px;box-shadow:var(--shadow)}
.section-soft{background:var(--porcelain)}
.section-mint{background:var(--bg-deep)}
.section-deep{background:var(--deep);color:#fff;border-color:transparent}
.section-deep h2,.section-deep h3,.section-deep p,.section-deep li{color:#fff}
.section-title-row{display:flex;align-items:end;justify-content:space-between;gap:16px;margin-bottom:14px}
.section-kicker{color:var(--brand);font-size:13px;font-weight:800}
.media-slot{width:100%;height:200px;display:flex;align-items:center;justify-content:center;background:var(--porcelain);border:1px solid var(--border);border-radius:12px;overflow:hidden}
.media-slot.banner{height:260px}
.media-slot.tile-media{height:180px}
.media-slot.app-media{height:min(360px,55vw)}
.media-img{width:100%;height:100%;object-fit:contain;object-position:center}
.hero{margin-bottom:28px}
.hero-copy{padding:22px 0 0}
.hero-copy p{max-width:860px}
.button-row{display:flex;flex-wrap:wrap;gap:10px;margin-top:18px}
.btn{min-height:42px;padding:0 16px;border-radius:10px;display:inline-flex;align-items:center;justify-content:center;font-size:14px;font-weight:800;white-space:nowrap}
.btn-primary{background:linear-gradient(135deg,#1EC8B6 0%,#0E9A88 55%,#0A6B5E 100%);color:#fff}
.btn-secondary{background:#fff;border:1px solid var(--border-strong);color:var(--deep)}
.btn:hover{filter:brightness(.98);transform:translateY(-1px)}
.btn:focus-visible,a:focus-visible,button:focus-visible,input:focus-visible{outline:3px solid rgba(30,200,182,.28);outline-offset:2px}
.grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
.grid-2{display:grid;grid-template-columns:repeat(2,1fr);gap:16px}
.card{padding:18px;background:#fff;border:1px solid var(--border);border-radius:12px}
.card .media-slot{margin-bottom:14px}
.card p:last-child{margin-bottom:0}
.number-list{display:grid;gap:12px}
.number-item{display:grid;grid-template-columns:48px 1fr;gap:14px;padding:16px;background:#fff;border:1px solid var(--border);border-radius:12px}
.number{width:48px;height:48px;border-radius:12px;background:var(--brand);color:#fff;display:flex;align-items:center;justify-content:center;font-weight:900;font-size:16px}
.rack-list{display:grid;gap:10px}
.rack-item{display:grid;grid-template-columns:minmax(130px,.7fr) 1.6fr auto;align-items:center;gap:16px;padding:14px 16px;border:1px solid var(--border);border-radius:10px;background:#fff}
.rack-item strong{color:var(--ink)}
.rack-item span{color:var(--muted)}
.rack-item a{color:var(--deep);font-weight:800}
.timeline{position:relative;padding-left:24px;display:grid;gap:14px}
.timeline:before{content:"";position:absolute;left:8px;top:8px;bottom:8px;width:2px;background:var(--border-strong)}
.timeline-item{position:relative;padding:16px;background:#fff;border:1px solid var(--border);border-radius:12px}
.timeline-item:before{content:"";position:absolute;left:-22px;top:23px;width:10px;height:10px;border-radius:50%;background:var(--brand);box-shadow:0 0 0 4px var(--bg-deep)}
.status{display:inline-flex;align-items:center;min-height:26px;padding:2px 9px;border-radius:999px;background:var(--sub);color:var(--deep);font-size:12px;font-weight:800;margin-bottom:8px}
.prose{max-width:900px}
.prose p{margin-bottom:14px}
.prose ul{margin:8px 0 16px;padding-left:20px}
.prose li{margin-bottom:7px}
.info-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:14px}
.info-box{padding:18px;background:#fff;border:1px solid var(--border);border-radius:12px}
.link-card{display:flex;align-items:flex-start;justify-content:space-between;gap:14px;padding:18px;border:1px solid var(--border);border-radius:12px;background:#fff}
.link-card strong{display:block;margin-bottom:4px;color:var(--ink)}
.link-card span{display:block;color:var(--muted)}
.link-card b{color:var(--deep);white-space:nowrap}
.faq-list{display:grid;gap:12px}
.faq-item{padding:18px;background:#fff;border:1px solid var(--border);border-radius:12px}
.faq-item h2,.faq-item h3{margin-bottom:8px}
.faq-item p{margin:0}
.notice{padding:16px 18px;border-left:4px solid var(--brand);background:var(--porcelain);border-radius:0 10px 10px 0;color:var(--muted)}
.site-footer{background:var(--deep);color:var(--sub);border-top:1px solid rgba(247,255,254,.25);padding:30px 16px 72px;font-size:13px}
.footer-inner{max-width:1120px;margin:0 auto}
.footer-brand-row{display:flex;align-items:center;gap:12px;padding-bottom:18px;border-bottom:1px solid rgba(247,255,254,.22)}
.footer-brand-row strong{display:block;color:#fff;font-size:16px}
.footer-brand-row span{display:block;color:var(--sub)}
.footer-logo{height:28px;width:auto;object-fit:contain}
.footer-brand-text{font-weight:800;color:#fff}
.footer-groups{display:grid;grid-template-columns:repeat(4,1fr);gap:18px;padding:22px 0}
.footer-groups h2{font-size:13px;color:#fff;margin-bottom:8px}
.footer-groups a{display:block;color:var(--sub);padding:3px 0}
.footer-groups a:hover{color:#fff;text-decoration:underline}
.footer-note{padding-top:16px;border-top:1px solid rgba(247,255,254,.22)}
.footer-copy{margin:8px 0 0;color:#fff}
.site-overlay{position:fixed;z-index:90;inset:0;background:rgba(5,40,35,.48);opacity:0;visibility:hidden;pointer-events:none;transition:opacity .2s ease,visibility .2s ease}
.site-overlay.is-open{opacity:1;visibility:visible;pointer-events:auto}
.site-drawer{position:fixed;z-index:95;left:50%;bottom:0;width:min(720px,100%);max-height:70vh;transform:translate(-50%,105%);background:var(--porcelain);border:1px solid var(--border-strong);border-bottom:0;border-radius:18px 18px 0 0;box-shadow:0 -16px 40px rgba(10,107,94,.18);visibility:hidden;pointer-events:none;transition:transform .24s ease,visibility .24s ease}
.site-drawer.is-open{transform:translate(-50%,0);visibility:visible;pointer-events:auto}
.drawer-head{height:64px;padding:0 18px;display:flex;align-items:center;justify-content:space-between;border-bottom:1px solid var(--border)}
.drawer-brand{display:flex;align-items:center;gap:10px;color:var(--ink);font-weight:800}
.drawer-logo{height:28px;width:auto;object-fit:contain}
.drawer-close,.search-head button{min-width:64px;min-height:40px;border:1px solid var(--border-strong);border-radius:10px;background:#fff;color:var(--deep);font-weight:800}
.drawer-scroll{max-height:calc(70vh - 64px);overflow-y:auto;padding:16px 18px 24px}
.drawer-group{margin-bottom:16px}
.drawer-group h2{font-size:13px;color:var(--muted);margin-bottom:6px}
.drawer-group a{display:grid;grid-template-columns:100px 1fr;gap:12px;padding:12px;border-radius:10px}
.drawer-group a:hover{background:var(--sub)}
.drawer-group strong{color:var(--ink)}
.drawer-group span{color:var(--muted);font-size:13px}
.search-layer{position:fixed;z-index:94;top:82px;left:50%;width:min(720px,calc(100% - 32px));transform:translateX(-50%) translateY(-12px);background:#fff;border:1px solid var(--border-strong);border-radius:0 0 14px 14px;box-shadow:var(--shadow);opacity:0;visibility:hidden;pointer-events:none;transition:opacity .18s ease,transform .18s ease,visibility .18s ease}
.search-layer.is-open{opacity:1;visibility:visible;pointer-events:auto;transform:translateX(-50%) translateY(0)}
.search-card{padding:20px}
.search-head{display:flex;justify-content:space-between;gap:16px;align-items:flex-start;margin-bottom:14px}
.search-head strong{display:block;color:var(--ink);font-size:18px}
.search-head p{margin:2px 0 0;color:var(--muted)}
.search-label{display:block;font-size:13px;color:var(--muted);margin-bottom:6px}
.search-input{width:100%;height:44px;padding:0 12px;border:1px solid var(--border-strong);border-radius:10px;background:var(--porcelain);color:var(--ink)}
.search-presets{display:flex;flex-wrap:wrap;gap:8px;margin-top:12px}
.search-presets a{min-height:40px;padding:0 12px;border:1px solid var(--border);border-radius:10px;background:#fff;display:flex;align-items:center;color:var(--deep);font-weight:700}
.search-presets a[hidden]{display:none}
.mobile-bottom{display:none}
@media (max-width:760px){
    .quick-tabs{display:none}
    .site-main{padding:108px 16px 74px}
    .header-inner{grid-template-columns:minmax(74px,1fr) auto minmax(74px,1fr);gap:8px}
    .brand-link{min-width:64px;overflow:hidden}
    .brand-logo{max-width:94px}
    .drawer-open{min-width:66px;padding:0 10px}
    .app-link{min-width:74px;padding:0 10px}
    .grid-3,.grid-2,.info-grid{grid-template-columns:1fr}
    .rack-item{grid-template-columns:1fr;gap:5px}
    .section{padding:18px;margin:18px 0}
    .media-slot.banner{height:260px}
    .media-slot.tile-media{height:180px}
    .section-title-row{align-items:flex-start;flex-direction:column;gap:4px}
    .footer-groups{grid-template-columns:repeat(2,1fr)}
    .site-footer{padding-bottom:86px}
    .site-drawer{width:100%;max-height:78vh;border-radius:16px 16px 0 0}
    .drawer-scroll{max-height:calc(78vh - 64px)}
    .drawer-group a{grid-template-columns:88px 1fr;padding:11px 8px}
    .search-layer{inset:0;top:0;left:0;width:100%;height:100dvh;transform:none;border:0;border-radius:0;background:var(--deep);color:#fff;display:flex;align-items:flex-start;opacity:0}
    .search-layer.is-open{transform:none;opacity:1}
    .search-card{width:100%;padding:calc(28px + env(safe-area-inset-top)) 16px 24px}
    .search-head strong,.search-head p,.search-label{color:#fff}
    .search-head button{background:var(--porcelain)}
    .search-input{background:#fff;color:var(--ink);border-color:rgba(255,255,255,.45)}
    .search-presets a{background:rgba(255,255,255,.08);border-color:rgba(255,255,255,.26);color:#fff}
    .mobile-bottom{position:fixed;z-index:77;left:0;right:0;bottom:0;min-height:48px;padding-bottom:env(safe-area-inset-bottom);display:grid;grid-template-columns:repeat(5,1fr);background:#fff;border-top:1px solid var(--border)}
    .mobile-bottom a{min-height:48px;display:flex;align-items:center;justify-content:center;color:var(--muted);font-size:13px;font-weight:700}
    .mobile-bottom a.is-current{background:var(--brand);color:#fff}
}
@media (max-width:420px){
    .topline-inner,.header-inner{padding-left:12px;padding-right:12px}
    .site-main{padding-left:16px;padding-right:16px}
    .brand-logo{max-width:84px}
    .app-link{font-size:13px}
    h1{font-size:24px}
}