:root{--paper:#F3FBFA;--deep:#D4EFEA;--card:#FBFEFD;--soft:#BFE6DF;--ink:#123532;--body:#1A4540;--muted:#3F6B66;--brand:#0D5C56;--bright:#168A7D;--mint:#8FDFD2;--line:rgba(22,138,125,.22);--shadow:0 14px 36px rgba(18,53,50,.10);--top:112px}*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:var(--paper);color:var(--body);font-family:"Microsoft YaHei","PingFang SC",system-ui,sans-serif;font-size:16px;line-height:1.75;overflow-x:hidden}a{color:inherit;text-decoration:none}button{font:inherit}.wrap{width:min(1160px,calc(100% - 32px));margin:auto}.site-header{position:fixed;z-index:40;inset:0 0 auto}.daybar{height:18px;background:var(--brand);color:var(--paper);font-size:11px}.daybar-inner{height:18px;display:flex;align-items:center;justify-content:space-between}.text-button{border:0;background:none;color:inherit;padding:0 4px;cursor:pointer}.hallbar{height:58px;background:rgba(243,251,250,.98);border-bottom:1px solid 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34px);min-height:70vh}.section{padding:46px 0}.section.tight{padding:30px 0}.section.deep{background:var(--deep)}.section.soft{background:linear-gradient(180deg,var(--deep),var(--paper))}.eyebrow{margin:0 0 8px;color:var(--bright);font-weight:700;letter-spacing:.12em}.hero h1,.page-hero h1{margin:0;color:var(--ink);font-size:clamp(28px,4vw,32px);line-height:1.25}.lead{font-size:18px;color:var(--muted);max-width:780px}.hero-grid,.feature,.app-feature{display:grid;grid-template-columns:minmax(0,1.35fr) minmax(280px,1fr);gap:32px;align-items:center}.media-slot{background:var(--deep);border:1px solid var(--line);border-radius:16px;min-height:210px;display:flex;align-items:center;justify-content:center;overflow:hidden}.hero .media-slot{height:min(280px,42vw)}.media-slot 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ol{padding-left:1.35em}.side-nav{position:sticky;top:136px;background:var(--deep);border-radius:14px;padding:20px}.side-nav h2{font-size:18px;margin:0 0 10px;color:var(--ink)}.side-nav a{display:block;padding:8px 0;border-bottom:1px solid var(--line);color:var(--brand)}.steps{counter-reset:step}.step{position:relative;padding:0 0 28px 52px}.step:before{counter-increment:step;content:counter(step);position:absolute;left:0;top:0;width:34px;height:34px;border-radius:10px;background:var(--brand);color:var(--paper);display:grid;place-items:center;font-weight:700}.step:not(:last-child):after{content:"";position:absolute;left:16px;top:38px;bottom:4px;width:2px;background:var(--soft)}.faq-list{display:grid;gap:14px}.faq-item{background:var(--card);border:1px solid var(--line);border-radius:14px;padding:22px}.faq-item h2{font-size:19px;margin:0 0 8px;color:var(--ink)}.faq-item p{margin:0}.site-footer{background:var(--brand);color:var(--deep);padding:42px 0 80px}.footer-brand{display:flex;gap:14px;align-items:center;padding-bottom:24px;border-bottom:1px solid rgba(212,239,234,.25)}.footer-brand img{filter:brightness(0) invert(1)}.footer-brand strong,.footer-brand span{display:block}.footer-brand strong{font-size:20px;color:var(--paper)}.footer-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:22px;padding:28px 0}.footer-grid h2{font-size:17px;color:var(--paper);margin:0 0 8px}.footer-grid a{display:block;padding:4px 0}.footer-note{border-top:1px solid rgba(212,239,234,.25);padding-top:20px;font-size:14px}.mask{position:fixed;z-index:60;inset:0;background:rgba(18,53,50,.5)}.mask[hidden]{display:none}.drop-panel{position:fixed;z-index:70;top:76px;right:max(16px,calc((100vw - 1160px)/2));width:min(420px,calc(100% - 32px));max-height:calc(100vh - 92px);overflow:auto;background:var(--paper);border:1px solid var(--line);border-radius:0 0 16px 16px;box-shadow:var(--shadow);padding:20px;visibility:hidden;pointer-events:none;transform:translateY(-10px);opacity:0;transition:.2s}.drop-panel.open{visibility:visible;pointer-events:auto;transform:none;opacity:1}.panel-head{display:flex;align-items:flex-start;justify-content:space-between;gap:12px;margin-bottom:16px}.panel-head p{margin:4px 0 0;color:var(--muted)}.mini-brand{display:flex;align-items:center;gap:10px}.catalog-groups{display:grid;grid-template-columns:1fr 1fr;gap:18px}.catalog-groups h2{font-size:16px;color:var(--bright);margin:0 0 6px}.catalog-groups a{display:block;padding:8px 0;border-bottom:1px solid var(--line)}.catalog-groups b,.catalog-groups span{display:block}.catalog-groups span{font-size:12px;color:var(--muted)}.search-look{min-height:52px;border:1px solid var(--line);border-radius:10px;background:var(--card);display:flex;align-items:center;padding:0 15px;color:var(--muted)}.quick-links{display:flex;flex-wrap:wrap;gap:9px;margin-top:14px}.quick-links a{padding:8px 12px;border:1px solid var(--line);border-radius:9px;color:var(--brand);background:var(--card)}.panel-open{overflow:hidden}.mobile-nav{display:none}a:focus-visible,button:focus-visible{outline:3px solid var(--mint);outline-offset:3px}a:hover{color:var(--bright)}
@media(max-width:820px){:root{--top:76px}.signbar{display:none}#mainContent{padding-top:calc(var(--top) + 26px)}.hero-grid,.feature,.app-feature,.content-layout{grid-template-columns:1fr}.hero-grid{gap:22px}.hero .media-slot{height:min(280px,58vw)}.feature.reverse .media-slot{order:0}.cards.four,.status-grid{grid-template-columns:1fr 1fr}.cards.three{grid-template-columns:1fr}.side-nav{position:static}.footer-grid{grid-template-columns:1fr 1fr}.mobile-nav{position:fixed;z-index:50;display:grid;grid-template-columns:repeat(5,1fr);left:0;right:0;bottom:0;min-height:calc(50px + env(safe-area-inset-bottom));padding-bottom:env(safe-area-inset-bottom);background:var(--card);border-top:1px solid var(--line)}.mobile-nav a{display:flex;min-height:50px;align-items:center;justify-content:center;color:var(--brand);font-size:13px}.mobile-nav a.active{background:var(--brand);color:var(--paper)}.site-footer{padding-bottom:90px}.drop-panel{top:76px;left:0;right:0;width:100%;max-height:calc(100vh - 76px);border-left:0;border-right:0}.catalog-groups{grid-template-columns:1fr 1fr}}
@media(max-width:520px){.wrap{width:calc(100% - 32px)}.brand{min-width:0;flex:1}.brand img{max-width:120px}.catalog-button,.app-link{padding:8px 10px}.cards.four,.status-grid,.footer-grid,.catalog-groups{grid-template-columns:1fr}.section{padding:34px 0}.media-slot{min-height:170px}.prose{padding:20px}.footer-grid{gap:10px}}