:root{
  --bg:#F3FBFA;--bg-deep:#E4F4F1;--card:#FFFFFF;--mint:#D4EFEC;--ink:#0D2E2B;--text:#163834;--muted:#4A706C;--assist:#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);--radius:12px;--max:1120px
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;background:var(--bg);color:var(--text);font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Hiragino Sans GB","Microsoft YaHei",Arial,sans-serif;font-size:15px;line-height:1.7;overflow-x:hidden;padding-top:122px}
a{color:inherit;text-decoration:none}
button,input{font:inherit}
button{cursor:pointer}
img{max-width:100%;display:block}
.skip-link{position:fixed;left:12px;top:-60px;z-index:1200;background:#fff;color:var(--deep);padding:9px 13px;border-radius:8px;border:1px solid var(--border-strong)}
.skip-link:focus{top:8px}
.site-header{position:fixed;z-index:900;left:0;top:0;width:100%}
.cyan-line{height:22px;background:var(--deep);color:#fff;font-size:12px}
.top-inner,.curtain-inner,.mirror-inner{width:min(var(--max),calc(100% - 32px));margin:0 auto;display:flex;align-items:center}
.top-inner{height:22px;justify-content:space-between}
.top-search-button{border:0;background:transparent;color:#fff;height:22px;padding:0 8px}
.curtain-bar{height:60px;background:#fff;border-bottom:1px solid var(--border)}
.curtain-inner{height:60px;display:grid;grid-template-columns:1fr auto 1fr;gap:16px}
.brand-link{justify-self:start;display:flex;align-items:center;min-height:44px}
.brand-logo,.drawer-logo,.footer-logo{height:28px;width:auto;object-fit:contain;object-position:center}
.brand-fallback{font-size:16px;font-weight:800;color:var(--ink)}
.drawer-trigger{justify-self:center;border:1px solid var(--border-strong);background:var(--porcelain);color:var(--deep);border-radius:10px;min-width:84px;height:44px;font-weight:700}
.app-entry{justify-self:end;height:44px;display:inline-flex;align-items:center;padding:0 14px;border-radius:10px;background:linear-gradient(135deg,#1EC8B6 0%,#0E9A88 55%,#0A6B5E 100%);color:#fff;font-size:14px;font-weight:700}
.mirror-tabs{height:40px;background:var(--porcelain);border-bottom:1px solid var(--border)}
.mirror-inner{height:40px;justify-content:center;gap:8px}
.mirror-inner a{height:30px;display:inline-flex;align-items:center;padding:0 14px;border-radius:9px;color:var(--deep);font-size:13px}
.mirror-inner a.is-active{background:var(--brand);color:#fff}
.site-main{width:min(var(--max),calc(100% - 32px));margin:0 auto;padding:34px 0 64px}
.page-hero{margin-bottom:28px}
.eyebrow{display:inline-block;font-size:12px;font-weight:800;color:var(--deep);letter-spacing:.08em;margin-bottom:8px}
h1,h2,h3{color:var(--ink);margin:0 0 12px;line-height:1.3}
h1{font-size:24px}h2{font-size:20px}h3{font-size:16px}
p{margin:0 0 14px}.lead{font-size:16px;color:var(--muted);max-width:820px}
.section-block{margin:34px 0}.section-head{display:flex;justify-content:space-between;align-items:end;gap:18px;margin-bottom:16px}.section-head p{max-width:680px;color:var(--muted);margin:0}
.grid-3{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:16px}.grid-2{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:16px}.grid-4{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:14px}
.card{background:var(--card);border:1px solid var(--border);border-radius:var(--radius);box-shadow:var(--shadow);padding:18px;min-width:0}.card p:last-child{margin-bottom:0}
.card-link{display:inline-flex;align-items:center;min-height:44px;color:var(--deep);font-weight:700;margin-top:8px}.card-link:after{content:"→";margin-left:7px}
.media-slot{width:100%;background:var(--porcelain);border:1px solid var(--border);border-radius:12px;display:flex;align-items:center;justify-content:center;overflow:hidden}.media-slot img{width:100%;height:100%;object-fit:contain;object-position:center}.media-banner{height:260px}.media-card{height:180px}.media-wide{height:200px}.media-app{height:360px;max-width:420px;margin-inline:auto}.media-brand{height:180px}
.hero-copy{margin-top:18px;background:#fff;border:1px solid var(--border);border-radius:14px;padding:22px;box-shadow:var(--shadow)}.hero-copy p{max-width:900px}
.button-row{display:flex;gap:10px;flex-wrap:wrap;margin-top:16px}.btn{height:42px;display:inline-flex;align-items:center;justify-content:center;padding:0 16px;border-radius:10px;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;color:var(--deep);border:1px solid var(--border-strong)}
a:hover{opacity:.9}a:focus-visible,button:focus-visible{outline:3px solid rgba(30,200,182,.32);outline-offset:2px}
.number-list{display:grid;gap:10px}.number-item{display:grid;grid-template-columns:54px 1fr;gap:14px;padding:16px 0;border-bottom:1px solid var(--border)}.number-item:last-child{border-bottom:0}.number{font-size:22px;line-height:1;font-weight:900;color:var(--brand)}
.shelf{background:#fff;border:1px solid var(--border);border-radius:14px;overflow:hidden}.shelf-row{display:grid;grid-template-columns:160px 1fr auto;gap:16px;padding:16px 18px;align-items:center;border-bottom:1px solid var(--border)}.shelf-row:last-child{border-bottom:0}.shelf-tag{font-size:12px;color:var(--deep);background:var(--mint);padding:4px 8px;border-radius:999px;justify-self:start}.shelf-row a{font-weight:800;color:var(--deep)}
.timeline{position:relative;margin-left:12px;padding-left:28px}.timeline:before{content:"";position:absolute;left:5px;top:8px;bottom:8px;width:2px;background:var(--border-strong)}.timeline-item{position:relative;background:#fff;border:1px solid var(--border);border-radius:12px;padding:16px 18px;margin-bottom:14px}.timeline-item:before{content:"";position:absolute;left:-29px;top:22px;width:12px;height:12px;border-radius:50%;background:var(--brand);box-shadow:0 0 0 5px var(--bg)}.status{display:inline-flex;font-size:12px;font-weight:800;color:var(--deep);background:var(--mint);border-radius:999px;padding:3px 8px;margin-bottom:8px}
.article{background:#fff;border:1px solid var(--border);border-radius:14px;padding:24px;box-shadow:var(--shadow)}.article section+section{margin-top:28px}.article ul,.article ol{padding-left:22px}.article li{margin:6px 0}.article-note{background:var(--porcelain);border-left:4px solid var(--brand);padding:14px 16px;border-radius:0 10px 10px 0;color:var(--muted)}
.faq-list{display:grid;gap:12px}.faq-item{background:#fff;border:1px solid var(--border);border-radius:12px;padding:18px}.faq-item h2{font-size:16px}.faq-item p{margin:0;color:var(--muted)}
.index-links{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:12px}.index-link{display:block;background:#fff;border:1px solid var(--border);border-radius:12px;padding:16px}.index-link strong{display:block;color:var(--ink);margin-bottom:4px}.index-link span{color:var(--muted);font-size:13px}
.site-footer{background:var(--deep);color:#D4EFEC;border-top:1px solid rgba(247,255,254,.22)}.footer-inner{width:min(var(--max),calc(100% - 32px));margin:0 auto;padding:34px 0 28px}.footer-brand{display:flex;align-items:center;gap:12px;margin-bottom:24px}.footer-brand strong{display:block;color:#fff;font-size:16px}.footer-brand span{font-size:13px}.footer-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:20px;padding:20px 0;border-top:1px solid rgba(247,255,254,.2);border-bottom:1px solid rgba(247,255,254,.2)}.footer-grid h2{font-size:13px;color:#fff;margin-bottom:8px}.footer-grid a{display:block;font-size:13px;padding:4px 0;color:#D4EFEC}.footer-note,.footer-copy{font-size:13px}.footer-note{margin-top:18px}.footer-copy{margin-bottom:0;color:#fff}
.page-overlay{position:fixed;inset:0;background:rgba(4,33,29,.48);z-index:980;opacity:0;visibility:hidden;pointer-events:none;transition:.2s}.page-overlay.is-open{opacity:1;visibility:visible;pointer-events:auto}.ui-locked{overflow:hidden}
.curtain-drawer{position:fixed;z-index:1000;left:50%;bottom:0;width:min(720px,100%);max-height:70vh;transform:translate(-50%,105%);background:#fff;border:1px solid var(--border-strong);border-radius:18px 18px 0 0;box-shadow:0 -18px 44px rgba(10,107,94,.18);visibility:hidden;pointer-events:none;transition:transform .24s ease,visibility .24s}.curtain-drawer.is-open{transform:translate(-50%,0);visibility:visible;pointer-events:auto}.drawer-head{height:62px;display:flex;align-items:center;justify-content:space-between;padding:0 18px;border-bottom:1px solid var(--border)}.drawer-brand{display:flex;align-items:center;gap:10px}.drawer-close,.search-head button{height:40px;border:1px solid var(--border-strong);border-radius:9px;background:#fff;color:var(--deep);padding:0 14px}.drawer-scroll{max-height:calc(70vh - 62px);overflow:auto;padding:16px 18px 24px}.drawer-group{margin-bottom:18px}.drawer-group h2{font-size:13px;color:var(--muted);margin-bottom:8px}.drawer-group a{display:grid;grid-template-columns:110px 1fr;gap:12px;padding:11px 0;border-bottom:1px solid var(--border)}.drawer-group a strong{color:var(--ink)}.drawer-group a span{color:var(--muted);font-size:13px}
.search-layer{position:fixed;z-index:995;left:0;right:0;top:82px;visibility:hidden;pointer-events:none;transform:translateY(-12px);opacity:0;transition:.2s}.search-layer.is-open{visibility:visible;pointer-events:auto;transform:translateY(0);opacity:1}.search-card{width:min(720px,calc(100% - 32px));margin:0 auto;background:#fff;border:1px solid var(--border-strong);border-radius:0 0 14px 14px;box-shadow:var(--shadow);padding:18px}.search-head{display:flex;align-items:center;justify-content:space-between;gap:16px}.search-head strong{font-size:18px;color:var(--ink)}.search-head p{font-size:13px;color:var(--muted);margin:2px 0 0}.search-presets{display:flex;flex-wrap:wrap;gap:8px;margin-top:16px}.search-presets a{display:inline-flex;align-items:center;min-height:40px;padding:0 13px;border-radius:9px;border:1px solid var(--border);background:var(--porcelain);color:var(--deep);font-weight:700;font-size:13px}
.mobile-bottom{display:none}
.callout{background:linear-gradient(135deg,#1EC8B6 0%,#0E9A88 55%,#0A6B5E 100%);color:#fff;border-radius:14px;padding:22px}.callout h2,.callout h3{color:#fff}.callout p{margin-bottom:0}.callout a{display:inline-flex;margin-top:14px;background:#fff;color:var(--deep);height:42px;align-items:center;padding:0 14px;border-radius:10px;font-weight:800}
.pill-row{display:flex;gap:8px;flex-wrap:wrap}.pill{display:inline-flex;padding:6px 10px;border-radius:999px;background:var(--mint);color:var(--deep);font-size:12px;font-weight:800}
.meta-line{font-size:13px;color:var(--assist);margin-bottom:10px}.divider{height:1px;background:var(--border);margin:22px 0}
@media (max-width:860px){.grid-4{grid-template-columns:repeat(2,minmax(0,1fr))}.grid-3{grid-template-columns:1fr}.footer-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.shelf-row{grid-template-columns:120px 1fr}.shelf-row>a{grid-column:2}.index-links{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media (max-width:640px){body{padding-top:82px;padding-bottom:calc(58px + env(safe-area-inset-bottom))}.mirror-tabs{display:none}.site-main{width:calc(100% - 32px);padding-top:24px}.curtain-inner{width:calc(100% - 20px);grid-template-columns:minmax(0,1fr) auto minmax(0,1fr);gap:8px}.brand-logo{max-width:104px}.brand-fallback{font-size:15px}.drawer-trigger{min-width:70px;height:44px}.app-entry{padding:0 10px}.top-inner{width:calc(100% - 24px)}.grid-2,.grid-4,.index-links{grid-template-columns:1fr}.media-banner{height:260px}.media-app{height:340px}.section-head{align-items:start;flex-direction:column}.article{padding:18px}.shelf-row{grid-template-columns:1fr;gap:6px}.shelf-row>a{grid-column:auto}.curtain-drawer{width:100%;max-height:78vh}.curtain-drawer.is-open{transform:translate(-50%,0)}.drawer-scroll{max-height:calc(78vh - 62px)}.drawer-group a{grid-template-columns:1fr;gap:2px}.search-layer{top:0;bottom:0;background:var(--deep);color:#fff;transform:none}.search-layer.is-open{display:flex}.search-card{width:100%;height:100%;margin:0;background:var(--deep);border:0;border-radius:0;box-shadow:none;padding:calc(24px + env(safe-area-inset-top)) 16px 24px}.search-head strong,.search-head p{color:#fff}.search-head button{background:transparent;border-color:rgba(255,255,255,.45);color:#fff}.search-presets{display:grid;grid-template-columns:1fr 1fr;gap:10px}.search-presets a{background:rgba(255,255,255,.08);border-color:rgba(255,255,255,.2);color:#fff;justify-content:center;min-height:48px}.mobile-bottom{position:fixed;z-index:940;left:0;right:0;bottom:0;height:calc(48px + env(safe-area-inset-bottom));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{height:48px;display:flex;align-items:center;justify-content:center;font-size:13px;color:var(--deep)}.mobile-bottom a.is-active{background:var(--brand);color:#fff}.footer-inner{padding-bottom:42px}.footer-grid{grid-template-columns:1fr 1fr}.page-overlay{z-index:950}.curtain-drawer{z-index:960}.search-layer{z-index:970}}