:root{--ink:#0A1628;--text:#1E2A3A;--muted:#4A5568;--soft:#718096;--blue:#0033A0;--bright:#0052CC;--deep:#002066;--bg:#fff;--layer:#F5F7FA;--sub:#EEF1F6;--line:rgba(0,51,160,.14);--shadow:0 12px 36px rgba(0,33,102,.08);--radius:14px;--max:1220px}*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Hiragino Sans GB","Microsoft YaHei",Arial,sans-serif;color:var(--text);background:var(--bg);line-height:1.72;overflow-x:hidden}body.locked{overflow:hidden}a{color:inherit;text-decoration:none}button,input{font:inherit}.wrap{width:min(var(--max),calc(100% - 32px));margin:0 auto}.site-header{position:fixed;inset:0 0 auto;z-index:50}.spine{height:18px;background:var(--deep);color:#fff;font-size:11px;line-height:18px}.spine-inner,.coverbar-inner,.tab-inner{display:flex;align-items:center}.spine-inner{justify-content:space-between}.text-button{border:0;background:transparent;color:#fff;padding:0 8px;cursor:pointer}.coverbar{height:60px;background:#fff;border-bottom:1px solid var(--line)}.coverbar-inner{height:60px;display:grid;grid-template-columns:1fr auto 1fr;gap:16px}.brand{justify-self:start;display:flex;align-items:center;min-width:64px;height:44px;color:var(--deep);font-size:26px}.brand-logo{max-height:36px;max-width:180px;object-fit:contain}.catalog-button,.app-link,.button{min-height:44px;border-radius:10px;padding:10px 18px;display:inline-flex;align-items:center;justify-content:center;font-weight:700;cursor:pointer}.catalog-button{border:1px solid var(--line);background:#fff;color:var(--blue)}.app-link{justify-self:end;background:linear-gradient(135deg,var(--bright),var(--blue) 50%,var(--deep));color:#fff}.tabs{height:40px;background:var(--sub);border-bottom:1px solid var(--line)}.tab-inner{height:40px;gap:6px}.tab{padding:5px 11px;border-radius:8px;color:var(--muted);font-size:14px}.tab:hover,.tab:focus-visible{background:#fff;color:var(--blue);outline:2px solid rgba(0,82,204,.18)}.tab.is-current{background:var(--blue);color:#fff}.main-content{padding-top:118px;min-height:70vh}.section{padding:52px 0}.section.alt{background:var(--layer)}.section-title{display:flex;justify-content:space-between;gap:20px;align-items:end;margin-bottom:22px}.eyebrow{margin:0 0 7px;color:var(--blue);font-weight:800;letter-spacing:.08em;font-size:13px}.section h2,.section-title h2{margin:0;color:var(--ink);font-size:26px;line-height:1.3}.lead{font-size:18px;color:var(--muted);max-width:820px}.hero{padding:34px 0 48px}.hero-media,.media-slot{display:flex;align-items:center;justify-content:center;background:linear-gradient(180deg,#f7f9fc,#eef2f8);border:1px solid var(--line);border-radius:var(--radius);overflow:hidden}.hero-media{min-height:210px;max-height:300px}.hero-media:empty::after{content:"17C";font-size:54px;font-weight:900;letter-spacing:.08em;color:var(--deep)}.media-image{display:block;width:100%;height:auto;max-height:240px;object-fit:contain;object-position:center}.hero-media .media-image{max-height:300px}.hero-copy{padding:24px 0 0;max-width:900px}.hero h1,.page-hero h1{font-size:clamp(28px,4vw,32px);line-height:1.25;color:var(--ink);margin:4px 0 12px}.hero-copy p{margin:0 0 20px}.actions{display:flex;flex-wrap:wrap;gap:12px}.button.primary{background:linear-gradient(135deg,var(--bright),var(--blue) 50%,var(--deep));color:#fff;border:1px solid transparent}.button.secondary{background:#fff;color:var(--blue);border:1px solid var(--blue)}.button:hover,.button:focus-visible,.catalog-button:hover,.catalog-button:focus-visible,.app-link:hover,.app-link:focus-visible{transform:translateY(-1px);box-shadow:0 8px 24px rgba(0,33,102,.12);outline:2px solid rgba(0,82,204,.2);outline-offset:2px}.grid{display:grid;gap:18px}.grid-2{grid-template-columns:repeat(2,minmax(0,1fr))}.grid-3{grid-template-columns:repeat(3,minmax(0,1fr))}.grid-4{grid-template-columns:repeat(4,minmax(0,1fr))}.card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:20px;box-shadow:var(--shadow)}.card h3{margin:10px 0 8px;color:var(--ink);font-size:19px}.card p{margin:0;color:var(--muted)}.card .media-slot{height:200px;margin:-4px -4px 16px}.page-card-number,.big-number{font-weight:900;color:var(--bright);line-height:1}.page-card-number{font-size:18px}.big-number{font-size:42px}.page-cards .card{box-shadow:none}.page-hero{padding:38px 0 28px;border-bottom:1px solid var(--line);background:linear-gradient(180deg,#fff,#f8fafc)}.page-hero .wrap{max-width:980px}.page-hero p{max-width:850px;margin:8px 0 0;color:var(--muted)}.prose{max-width:920px}.prose p{margin:0 0 1.15em}.prose h2{margin:1.8em 0 .55em;font-size:23px}.prose h3{margin:1.35em 0 .4em;font-size:18px;color:var(--ink)}.notice{border-left:4px solid var(--blue);background:var(--sub);padding:16px 18px;border-radius:0 12px 12px 0;color:var(--muted)}.list-clean{list-style:none;padding:0;margin:0}.list-clean li{padding:14px 0;border-bottom:1px solid var(--line)}.number-list{display:grid;gap:12px;counter-reset:item}.number-item{display:grid;grid-template-columns:62px 1fr;gap:16px;padding:18px;border:1px solid var(--line);border-radius:var(--radius);background:#fff}.number-item .num{font-size:30px;font-weight:900;color:var(--blue)}.tag-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:14px}.tag-card{min-height:150px;padding:20px;border-radius:14px;border:1px solid var(--line);background:#fff}.tag-card:nth-child(2n) .tag-label{background:var(--deep)}.tag-label{display:inline-block;padding:4px 8px;border-radius:7px;background:var(--bright);color:#fff;font-size:12px;font-weight:800}.shelf-list{display:grid;gap:12px}.shelf-row{display:grid;grid-template-columns:160px 1fr auto;gap:18px;align-items:center;border:1px solid var(--line);background:#fff;border-radius:12px;padding:16px}.status-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:14px}.status-card{padding:20px;border:1px solid var(--line);border-radius:12px;background:#fff}.status-card b{display:block;color:var(--blue);margin-bottom:8px}.faq{display:grid;gap:14px}.faq article{border:1px solid var(--line);border-radius:12px;background:#fff;padding:18px 20px}.faq h2{font-size:18px;margin:0 0 8px}.faq p{margin:0;color:var(--muted)}.site-footer{background:var(--ink);color:#A0AEC0;padding:48px 0 80px}.footer-grid{display:grid;grid-template-columns:2fr repeat(4,1fr);gap:28px}.site-footer h2{color:#fff;font-size:15px;margin:0 0 12px}.site-footer a{display:block;padding:4px 0}.site-footer a:hover,.site-footer a:focus-visible{color:#fff;outline:none;text-decoration:underline}.footer-brand p{max-width:390px}.footer-logo-link{display:flex!important;align-items:center;gap:10px;color:#fff}.footer-logo{max-height:32px;max-width:160px;object-fit:contain}.footer-logo-link strong{font-size:22px}.footer-bottom{border-top:1px solid rgba(255,255,255,.12);margin-top:30px;padding-top:18px;font-size:13px}.overlay{position:fixed;inset:0;background:rgba(10,22,40,.42);z-index:70;opacity:0;pointer-events:none;transition:.2s}.overlay.is-open{opacity:1;pointer-events:auto}.catalog-panel,.search-layer{position:fixed;left:0;right:0;top:78px;z-index:80;visibility:hidden;pointer-events:none;opacity:0;transform:translateY(-8px);transition:.2s}.catalog-panel.is-open,.search-layer.is-open{visibility:visible;pointer-events:auto;opacity:1;transform:none}.catalog-shell,.search-card{background:#fff;border:1px solid var(--line);border-radius:0 0 16px 16px;box-shadow:0 20px 50px rgba(0,33,102,.16)}.catalog-shell{max-height:50vh;overflow:auto;padding:18px}.catalog-head,.search-head{display:flex;align-items:center;justify-content:space-between;gap:16px}.catalog-brand{display:flex;align-items:center;gap:10px;color:var(--ink)}.catalog-logo{max-height:30px;max-width:140px;object-fit:contain}.icon-button{min-height:40px;border:1px solid var(--line);background:#fff;color:var(--blue);border-radius:9px;padding:7px 12px;cursor:pointer}.catalog-groups{display:grid;grid-template-columns:repeat(4,1fr);gap:18px;margin-top:14px}.catalog-groups h2{font-size:14px;color:var(--soft);margin:0 0 8px}.catalog-groups a{display:block;padding:10px;border-radius:9px}.catalog-groups a:hover,.catalog-groups a:focus-visible{background:var(--sub);outline:2px solid rgba(0,82,204,.14)}.catalog-groups b{display:block;color:var(--ink);font-size:14px}.catalog-groups span{display:block;color:var(--muted);font-size:12px;line-height:1.45;margin-top:3px}.search-card{padding:18px}.search-head h2{margin:0;color:var(--ink);font-size:19px}.search-look input{width:100%;height:48px;border:1px solid var(--line);border-radius:10px;padding:0 14px;color:var(--text);margin-top:14px;outline:none}.search-look input:focus{border-color:var(--bright);box-shadow:0 0 0 3px rgba(0,82,204,.1)}.search-links{display:flex;flex-wrap:wrap;gap:9px;margin-top:12px}.search-links a{padding:8px 12px;border-radius:8px;background:var(--sub);color:var(--blue)}.mobile-bottom{display:none}.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}
@media(max-width:900px){.grid-4{grid-template-columns:repeat(2,1fr)}.grid-3{grid-template-columns:repeat(2,1fr)}.footer-grid{grid-template-columns:2fr 1fr 1fr}.footer-brand{grid-column:1/-1}.catalog-groups{grid-template-columns:repeat(2,1fr)}.status-grid{grid-template-columns:repeat(2,1fr)}}
@media(max-width:640px){body{padding-bottom:calc(50px + env(safe-area-inset-bottom))}.tabs{display:none}.main-content{padding-top:78px}.coverbar-inner{gap:8px;grid-template-columns:minmax(70px,1fr) auto minmax(70px,1fr)}.brand{min-width:0}.brand-logo{max-width:112px}.catalog-button,.app-link{padding:8px 10px;min-height:44px;font-size:14px}.section{padding:38px 0}.hero{padding-top:22px}.hero-media{min-height:170px}.grid-2,.grid-3,.grid-4{grid-template-columns:1fr}.tag-grid{grid-template-columns:1fr}.status-grid{grid-template-columns:1fr 1fr}.shelf-row{grid-template-columns:1fr;gap:7px}.number-item{grid-template-columns:48px 1fr}.catalog-panel,.search-layer{top:78px}.catalog-shell{width:100%;max-height:66vh;border-radius:0;padding:14px}.catalog-groups{grid-template-columns:1fr 1fr;gap:10px}.catalog-groups a{padding:8px}.search-card{width:calc(100% - 16px);background:var(--sub)}.mobile-bottom{position:fixed;left:0;right:0;bottom:0;z-index:60;height:calc(50px + 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(--line)}.mobile-bottom a{display:flex;align-items:center;justify-content:center;min-height:50px;font-size:12px;color:var(--muted)}.mobile-bottom a.is-current{background:var(--blue);color:#fff}.site-footer{padding-bottom:34px}.footer-grid{grid-template-columns:1fr 1fr;gap:22px}.footer-brand{grid-column:1/-1}}