:root{--bg:#F3FBFA;--deep:#E4F4F1;--card:#FFFFFF;--soft:#D4EFEC;--ink:#0D2E2B;--text:#163834;--muted:#4A706C;--assist:#6A8E89;--brand:#0E9A88;--bright:#1EC8B6;--dark:#0A6B5E;--porcelain:#F7FFFE;--line:rgba(14,154,136,.16);--line-strong:rgba(14,154,136,.42);--shadow:0 12px 28px rgba(10,107,94,.08);--radius:12px;--topline:22px;--mast:60px;--tabs:40px;--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:calc(var(--topline) + var(--mast) + var(--tabs))}a{color:inherit;text-decoration:none}button,input{font:inherit}.topline{position:fixed;left:0;right:0;top:0;height:var(--topline);background:var(--dark);color:#fff;z-index:50;font-size:12px}.topline-inner,.mastbar-inner,.quick-tabs-inner,.footer-inner,.site-main{width:min(calc(100% - 32px),var(--max));margin:0 auto}.topline-inner{height:100%;display:flex;align-items:center;justify-content:space-between}.top-brand,.plain-action{min-height:22px;display:inline-flex;align-items:center}.plain-action{border:0;background:transparent;color:#fff;padding:0 2px;cursor:pointer}.mastbar{position:fixed;left:0;right:0;top:var(--topline);height:var(--mast);background:#fff;border-bottom:1px solid var(--line);z-index:49}.mastbar-inner{height:100%;display:grid;grid-template-columns:1fr auto 1fr;align-items:center;gap:12px}.brand-lockup{justify-self:start;display:flex;align-items:center;min-height:44px}.brand-logo-slot{display:flex;align-items:center}.brand-logo,.drawer-logo,.footer-logo{height:28px;width:auto;max-width:160px;object-fit:contain;object-position:center}.brand-text{font-size:16px;font-weight:800;color:var(--ink)}.drawer-trigger{justify-self:center;min-height:44px;padding:0 18px;border:1px solid var(--line-strong);border-radius:999px;background:var(--porcelain);color:var(--dark);cursor:pointer;font-weight:700;display:flex;align-items:center;gap:8px}.trigger-mark{font-size:14px}.app-link{justify-self:end;min-height:44px;display:inline-flex;align-items:center;padding:0 14px;border-radius:10px;color:#fff;background:linear-gradient(135deg,#1EC8B6 0%,#0E9A88 55%,#0A6B5E 100%);font-size:14px;font-weight:700}.quick-tabs{position:fixed;left:0;right:0;top:calc(var(--topline) + var(--mast));height:var(--tabs);background:var(--porcelain);border-bottom:1px solid var(--line);z-index:48}.quick-tabs-inner{height:100%;display:flex;align-items:center;justify-content:center;gap:8px}.quick-tabs a{font-size:13px;min-height:30px;padding:4px 16px;border-radius:8px;display:inline-flex;align-items:center}.quick-tabs a.is-current{background:var(--brand);color:#fff}.site-main{padding:34px 0 56px}.page-hero{padding:22px 0 8px}.page-hero h1{font-size:24px;line-height:1.3;margin:0 0 10px;color:var(--ink)}.page-hero p{margin:0;color:var(--muted);max-width:820px}.eyebrow{display:inline-flex;align-items:center;gap:8px;color:var(--dark);font-weight:800;font-size:13px;margin-bottom:8px}.eyebrow:before{content:"";width:18px;height:2px;background:var(--bright);border-radius:2px}.hero-visual,.media-slot,.app-visual{background:var(--porcelain);border:1px solid var(--line);border-radius:14px;display:flex;align-items:center;justify-content:center;overflow:hidden}.hero-visual{width:100%;height:260px;margin-bottom:22px}.hero-visual img,.media-slot img,.app-visual img{width:100%;height:100%;object-fit:contain;object-position:center}.page-image-slot{height:200px;margin:12px 0 24px}.section-visual{height:200px;margin-bottom:14px}.hero-copy{background:#fff;border:1px solid var(--line);border-radius:14px;padding:24px;box-shadow:var(--shadow)}.hero-copy h1{font-size:24px;line-height:1.3;margin:0 0 10px;color:var(--ink)}.hero-copy .lead{margin:0 0 16px;color:var(--text)}.button-row{display:flex;gap:10px;flex-wrap:wrap}.button{height:44px;padding:0 18px;border-radius:10px;display:inline-flex;align-items:center;justify-content:center;font-size:14px;font-weight:800;white-space:nowrap;border:1px solid transparent}.button-primary{background:linear-gradient(135deg,#1EC8B6 0%,#0E9A88 55%,#0A6B5E 100%);color:#fff}.button-secondary{background:#fff;border-color:var(--line-strong);color:var(--dark)}.button:hover,.app-link:hover,.drawer-trigger:hover,.quick-tabs a:hover{transform:translateY(-1px)}a:focus-visible,button:focus-visible,input:focus-visible{outline:3px solid rgba(30,200,182,.35);outline-offset:2px}.section{margin-top:34px}.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:18px;margin-bottom:14px}.section h2,.section-head h2{font-size:20px;line-height:1.35;margin:0;color:var(--ink)}.section-head p{margin:0;color:var(--muted);max-width:620px}.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}.card{background:#fff;border:1px solid var(--line);border-radius:12px;padding:18px;box-shadow:var(--shadow)}.card h3{font-size:16px;margin:0 0 8px;color:var(--ink)}.card p{margin:0;color:var(--text)}.media-card{padding:0;overflow:hidden}.media-card .media-slot{height:180px;border:0;border-bottom:1px solid var(--line);border-radius:0;background:var(--porcelain)}.media-card .media-body{padding:18px}.feature-block{display:grid;grid-template-columns:minmax(0,.9fr) minmax(0,1.1fr);gap:18px;align-items:stretch}.feature-block .media-slot{height:200px}.feature-copy{background:#fff;border:1px solid var(--line);border-radius:12px;padding:20px}.number-list{list-style:none;margin:0;padding:0;display:grid;gap:10px}.number-list li{display:grid;grid-template-columns:42px 1fr;gap:12px;align-items:start;padding:14px 0;border-bottom:1px solid var(--line)}.number-list li:last-child{border-bottom:0}.num{width:36px;height:30px;border-radius:8px;background:var(--brand);color:#fff;display:flex;align-items:center;justify-content:center;font-weight:800;font-size:13px}.shelf{display:grid;gap:10px}.shelf-row{display:grid;grid-template-columns:150px 1fr auto;gap:14px;align-items:center;padding:14px 16px;background:#fff;border:1px solid var(--line);border-radius:10px}.shelf-row strong{color:var(--ink)}.shelf-row span{color:var(--muted)}.shelf-row a{color:var(--dark);font-weight:800}.timeline{position:relative;display:grid;gap:14px}.timeline:before{content:"";position:absolute;left:15px;top:18px;bottom:18px;width:2px;background:var(--soft)}.timeline-item{position:relative;padding:0 0 0 46px}.timeline-item:before{content:"";position:absolute;left:8px;top:10px;width:16px;height:16px;border-radius:50%;background:var(--brand);border:4px solid var(--porcelain)}.timeline-card{background:#fff;border:1px solid var(--line);border-radius:12px;padding:16px}.status{display:inline-flex;min-height:28px;align-items:center;padding:0 9px;border-radius:999px;background:var(--deep);color:var(--dark);font-weight:800;font-size:12px}.article-stack{display:grid;gap:16px}.article-section{background:#fff;border:1px solid var(--line);border-radius:12px;padding:20px}.article-section h2{font-size:20px;margin:0 0 10px;color:var(--ink)}.article-section h3{font-size:16px;margin:18px 0 8px;color:var(--ink)}.article-section p{margin:0 0 12px}.article-section p:last-child{margin-bottom:0}.article-section ul{margin:8px 0 0;padding-left:20px}.article-section li{margin:6px 0}.index-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:12px}.index-link{background:#fff;border:1px solid var(--line);border-radius:10px;padding:16px;min-height:120px}.index-link strong{display:block;color:var(--ink);margin-bottom:6px}.index-link span{color:var(--muted);font-size:14px}.app-panel{display:grid;grid-template-columns:320px 1fr;gap:20px;align-items:center}.app-visual{height:360px}.app-copy{background:#fff;border:1px solid var(--line);border-radius:12px;padding:22px}.icon-line{display:flex;align-items:center;gap:12px;margin-bottom:14px}.app-icon{width:48px;height:48px;object-fit:contain}.notice{background:var(--deep);border:1px solid var(--line-strong);border-radius:12px;padding:16px;color:var(--dark)}.faq-list{display:grid;gap:12px}.faq-item{background:#fff;border:1px solid var(--line);border-radius:12px;padding:18px}.faq-item h2{font-size:16px;margin:0 0 8px}.faq-item p{margin:0}.site-footer{background:var(--dark);color:var(--soft);border-top:1px solid rgba(247,255,254,.25);padding:34px 0 calc(30px + env(safe-area-inset-bottom))}.footer-brand{display:flex;align-items:center;gap:12px;padding-bottom:18px;border-bottom:1px solid rgba(247,255,254,.22)}.footer-brand strong{display:block;color:#fff}.footer-brand span{display:block;font-size:13px}.footer-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:18px;padding:20px 0}.footer-grid h2{font-size:13px;margin:0 0 8px;color:#fff}.footer-grid a{display:block;font-size:13px;padding:3px 0;color:var(--soft)}.footer-note,.copyright{font-size:13px;color:var(--soft);margin:8px 0 0}.screen-mask{position:fixed;inset:0;background:rgba(13,46,43,.42);z-index:70;opacity:0;visibility:hidden;pointer-events:none;transition:.2s}.screen-mask.is-open{opacity:1;visibility:visible;pointer-events:auto}.site-drawer{position:fixed;left:50%;bottom:0;width:min(720px,calc(100% - 24px));max-height:70vh;transform:translate(-50%,105%);background:#fff;border:1px solid var(--line);border-radius:16px 16px 0 0;z-index:80;box-shadow:0 -18px 40px rgba(10,107,94,.18);visibility:hidden;pointer-events:none;transition:transform .24s ease,visibility .24s;overflow:auto}.site-drawer.is-open{transform:translate(-50%,0);visibility:visible;pointer-events:auto}.drawer-head{position:sticky;top:0;background:#fff;display:flex;align-items:center;justify-content:space-between;padding:14px 16px;border-bottom:1px solid var(--line);z-index:2}.drawer-brand{display:flex;align-items:center;gap:10px}.close-button{min-height:44px;padding:0 12px;border:1px solid var(--line-strong);background:#fff;color:var(--dark);border-radius:9px;cursor:pointer}.drawer-groups{padding:14px 16px 24px;display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:14px}.drawer-groups section{background:var(--porcelain);border:1px solid var(--line);border-radius:12px;padding:14px}.drawer-groups h2{font-size:15px;margin:0 0 8px;color:var(--ink)}.drawer-groups a{display:block;padding:10px 0;border-top:1px solid var(--line)}.drawer-groups a:first-of-type{border-top:0}.drawer-groups strong{display:block;color:var(--ink);font-size:14px}.drawer-groups span{display:block;color:var(--muted);font-size:12px;line-height:1.5;margin-top:2px}.search-layer{position:fixed;left:0;right:0;top:calc(var(--topline) + var(--mast));z-index:82;visibility:hidden;pointer-events:none;opacity:0;transition:.18s}.search-layer.is-open{visibility:visible;pointer-events:auto;opacity:1}.search-card{width:min(calc(100% - 32px),720px);margin:12px auto;background:#fff;border:1px solid var(--line);border-radius:14px;padding:16px;box-shadow:var(--shadow)}.search-head{display:flex;justify-content:space-between;align-items:center;margin-bottom:10px}.search-card label{display:block;color:var(--muted);margin-bottom:8px}.search-card input{width:100%;height:44px;border:1px solid var(--line-strong);border-radius:10px;padding:0 12px;color:var(--ink);background:var(--porcelain)}.search-presets{display:flex;flex-wrap:wrap;gap:8px;margin-top:12px}.search-presets a{min-height:44px;display:inline-flex;align-items:center;padding:0 12px;background:var(--deep);color:var(--dark);border-radius:9px;font-weight:700}.search-empty{color:var(--muted);margin:12px 0 0}.ui-locked{overflow:hidden}.mobile-bottom{display:none}
@media(max-width:820px){body{padding-top:calc(var(--topline) + var(--mast));padding-bottom:calc(58px + env(safe-area-inset-bottom))}.quick-tabs{display:none}.site-main{padding-top:24px}.grid-3,.grid-2,.index-grid,.feature-block,.app-panel{grid-template-columns:1fr}.hero-visual{height:220px}.media-card .media-slot,.feature-block .media-slot{height:180px}.app-visual{height:320px}.shelf-row{grid-template-columns:1fr}.shelf-row a{justify-self:start}.footer-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.site-drawer{width:100%;max-height:78vh;border-radius:16px 16px 0 0}.drawer-groups{grid-template-columns:1fr}.search-layer{inset:0;background:var(--dark);top:0;padding:22px 16px;z-index:90}.search-card{width:100%;margin:0;background:transparent;border:0;box-shadow:none;color:#fff;padding:0}.search-card label,.search-empty{color:var(--soft)}.search-head strong{color:#fff;font-size:18px}.search-card .close-button{background:transparent;color:#fff;border-color:rgba(255,255,255,.45)}.search-card input{background:#fff}.search-presets a{background:rgba(255,255,255,.12);color:#fff;border:1px solid rgba(255,255,255,.22)}.mobile-bottom{position:fixed;display:grid;grid-template-columns:repeat(5,1fr);left:0;right:0;bottom:0;z-index:55;height:calc(48px + env(safe-area-inset-bottom));padding-bottom:env(safe-area-inset-bottom);background:#fff;border-top:1px solid var(--line)}.mobile-bottom a{display:flex;align-items:center;justify-content:center;min-height:48px;font-size:12px;color:var(--muted)}.mobile-bottom a.is-current{background:var(--brand);color:#fff}.site-drawer{z-index:80}.screen-mask{z-index:70}.mastbar-inner{grid-template-columns:minmax(80px,1fr) auto minmax(80px,1fr);gap:6px}.drawer-trigger{padding:0 12px}.app-link{padding:0 10px}.brand-logo{max-width:110px}.site-footer{padding-bottom:calc(72px + env(safe-area-inset-bottom))}}
@media(max-width:520px){.topline-inner,.mastbar-inner,.quick-tabs-inner,.footer-inner,.site-main{width:min(calc(100% - 32px),var(--max))}.hero-copy{padding:18px}.hero-visual{height:200px}.section{margin-top:28px}.section-head{align-items:flex-start;flex-direction:column}.card,.article-section{padding:16px}.footer-grid{grid-template-columns:1fr 1fr}.button-row{display:grid;grid-template-columns:1fr}.button{width:100%}.app-link{font-size:13px}.drawer-trigger{font-size:13px}.brand-text{font-size:15px}}