:root{
--bg:#FFFFFF;--layer:#F5F7FA;--card:#FFFFFF;--soft:#EEF1F6;--ink:#0A1628;--text:#1E2A3A;--muted:#4A5568;--light:#718096;--brand:#0033A0;--bright:#0052CC;--deep:#002066;--border:rgba(0,51,160,.14);--shadow:0 12px 36px rgba(0,33,102,.08);--max:1220px;--top-desktop:118px;--top-mobile:78px}
*{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:16px;line-height:1.75;overflow-x:hidden}body.panel-open{overflow:hidden}a{color:inherit;text-decoration:none}button,input{font:inherit}button{cursor:pointer}.shell{width:min(var(--max),calc(100% - 32px));margin:0 auto}.site-header{position:fixed;inset:0 0 auto 0;z-index:1000;background:#fff}.spine-line{height:18px;background:var(--deep);color:#fff;font-size:12px}.spine-inner{height:18px;display:flex;align-items:center;justify-content:space-between}.text-control{border:0;background:transparent;color:#fff;padding:0 4px;height:18px}.cover-bar{height:60px;background:#fff;border-bottom:1px solid var(--border)}.cover-inner{height:60px;display:grid;grid-template-columns:1fr auto 1fr;align-items:center;gap:16px}.brand-link{justify-self:start;min-height:44px;display:flex;align-items:center}.brand-logo{display:block;max-width:180px;height:36px;object-fit:contain;object-position:left center}.brand-logo.small{height:30px;max-width:140px}.brand-fallback{font-weight:850;font-size:28px;color:var(--brand);letter-spacing:.02em}.catalog-button,.app-link,.btn-primary,.btn-secondary{min-height:44px;border-radius:10px;padding:10px 18px;display:inline-flex;align-items:center;justify-content:center;font-weight:750}.catalog-button{border:1px solid var(--border);background:#fff;color:var(--brand);justify-self:center}.app-link{justify-self:end;background:linear-gradient(135deg,#0052CC 0%,#0033A0 50%,#002066 100%);color:#fff}.tab-strip{height:40px;background:var(--layer);border-bottom:1px solid var(--border)}.tab-inner{height:40px;display:flex;align-items:center;gap:6px}.tab-inner a{height:30px;display:flex;align-items:center;padding:0 12px;border-radius:8px;color:var(--muted);font-size:14px;font-weight:700}.tab-inner a:hover,.tab-inner a:focus-visible{color:var(--brand);outline:2px solid rgba(0,82,204,.22);outline-offset:1px}.tab-inner a.is-current{background:var(--brand);color:#fff}.site-main{padding-top:var(--top-desktop);min-height:70vh}.overlay{position:fixed;inset:78px 0 0 0;background:rgba(10,22,40,.34);z-index:850;opacity:0;visibility:hidden;pointer-events:none;transition:.2s}.overlay.is-open{opacity:1;visibility:visible;pointer-events:auto}.catalog-panel,.search-panel{position:fixed;left:50%;transform:translateX(-50%) translateY(-8px);top:78px;width:min(var(--max),calc(100% - 32px));z-index:900;background:#fff;border:1px solid var(--border);box-shadow:var(--shadow);border-radius:0 0 16px 16px;opacity:0;visibility:hidden;pointer-events:none;transition:.2s}.catalog-panel{max-height:50vh;overflow:auto}.catalog-panel.is-open,.search-panel.is-open{transform:translateX(-50%) translateY(0);opacity:1;visibility:visible;pointer-events:auto}.catalog-head,.search-head{display:flex;align-items:center;justify-content:space-between;gap:20px;padding:18px 22px;border-bottom:1px solid var(--border)}.catalog-brand{display:flex;align-items:center;gap:12px;color:var(--ink)}.close-control{border:1px solid var(--border);background:#fff;color:var(--brand);border-radius:10px;min-height:44px;padding:8px 14px;font-weight:700}.catalog-groups{display:grid;grid-template-columns:repeat(4,1fr);gap:18px;padding:20px}.catalog-group h2{font-size:15px;color:var(--brand);margin:0 0 8px}.catalog-group a{display:block;padding:10px 0;border-top:1px solid var(--border)}.catalog-group strong{display:block;color:var(--ink);font-size:15px}.catalog-group span{display:block;color:var(--light);font-size:12px;line-height:1.55;margin-top:2px}.search-panel{max-width:820px}.search-card{padding-bottom:20px}.search-head h2{margin:0;color:var(--ink);font-size:22px}.eyebrow{color:var(--brand);font-size:12px;font-weight:800;letter-spacing:.12em}.search-field{display:block;padding:18px 22px 6px}.search-field span{display:block;color:var(--muted);font-size:13px;margin-bottom:6px}.search-field input{width:100%;min-height:48px;border:1px solid var(--border);border-radius:10px;padding:0 14px;color:var(--ink);background:var(--layer);outline:none}.search-field input:focus{border-color:var(--bright);box-shadow:0 0 0 3px rgba(0,82,204,.12)}.preset-links{display:flex;flex-wrap:wrap;gap:8px;padding:10px 22px 0}.preset-links a{border:1px solid var(--border);border-radius:10px;padding:8px 12px;color:var(--brand);font-weight:700}.page-hero{background:linear-gradient(180deg,#F5F7FA 0%,#FFFFFF 100%);border-bottom:1px solid var(--border)}.hero-inner{padding:54px 0 42px}.kicker{display:inline-flex;align-items:center;min-height:30px;padding:4px 10px;border-radius:8px;background:var(--soft);color:var(--brand);font-weight:800;font-size:13px}.page-hero h1{font-size:clamp(28px,4vw,32px);line-height:1.25;margin:14px 0 12px;color:var(--ink);letter-spacing:-.02em}.page-hero p{max-width:840px;color:var(--muted);margin:0;font-size:17px}.content-section{padding:50px 0}.content-section.alt{background:var(--layer)}.section-head{display:flex;align-items:end;justify-content:space-between;gap:24px;margin-bottom:20px}.section-head h2{margin:0;color:var(--ink);font-size:25px;line-height:1.3}.section-head p{margin:0;color:var(--muted);max-width:700px}.lead{font-size:18px;color:var(--muted);max-width:900px}.prose{max-width:900px}.prose p{margin:0 0 18px}.prose h2,.prose h3{color:var(--ink);line-height:1.35;margin:30px 0 12px}.prose h2{font-size:24px}.prose h3{font-size:19px}.button-row{display:flex;flex-wrap:wrap;gap:10px;margin-top:24px}.btn-primary{background:linear-gradient(135deg,#0052CC 0%,#0033A0 50%,#002066 100%);color:#fff}.btn-secondary{background:#fff;color:var(--brand);border:1px solid var(--brand)}.btn-primary:hover,.btn-secondary:hover,.catalog-button:hover,.app-link:hover,.close-control:hover{transform:translateY(-1px);box-shadow:0 8px 20px rgba(0,33,102,.12)}a:focus-visible,button:focus-visible{outline:3px solid rgba(0,82,204,.3);outline-offset:2px}.media-slot{width:100%;background:var(--soft);border:1px solid var(--border);border-radius:14px;display:flex;align-items:center;justify-content:center;overflow:hidden;min-height:180px}.media-slot img{width:100%;height:100%;object-fit:contain;object-position:center;display:block}.banner-slot{max-height:300px;aspect-ratio:16/9}.banner-slot img{max-height:300px}.column-slot{height:210px}.wide-slot{height:240px}.app-slot{height:420px}.icon-slot{width:72px;height:72px;min-height:72px;border-radius:16px}.card-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}.card-grid.four{grid-template-columns:repeat(4,1fr)}.card-grid.two{grid-template-columns:repeat(2,1fr)}.card{background:#fff;border:1px solid var(--border);border-radius:14px;padding:20px;box-shadow:0 8px 24px rgba(0,33,102,.04)}.card h3{margin:0 0 8px;color:var(--ink);font-size:19px}.card p{margin:0;color:var(--muted)}.card .card-link{display:inline-flex;margin-top:14px;color:var(--brand);font-weight:800}.number-list{display:grid;gap:12px}.number-item{display:grid;grid-template-columns:72px 1fr;gap:18px;align-items:start;border-top:1px solid var(--border);padding:18px 0}.number-item .num{font-size:34px;line-height:1;color:var(--brand);font-weight:900}.number-item h3{margin:0 0 6px;color:var(--ink)}.number-item p{margin:0;color:var(--muted)}.tag-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:12px}.tag-card{min-height:138px;padding:18px;border:1px solid var(--border);border-radius:12px;background:#fff}.tag-card span{display:inline-block;color:#fff;background:var(--bright);border-radius:7px;padding:3px 8px;font-size:12px;font-weight:800}.tag-card:nth-child(even) span{background:var(--deep)}.tag-card h3{margin:12px 0 6px;color:var(--ink)}.tag-card p{margin:0;color:var(--muted);font-size:14px}.shelf-list{border:1px solid var(--border);border-radius:14px;overflow:hidden;background:#fff}.shelf-row{display:grid;grid-template-columns:180px 1fr auto;gap:20px;align-items:center;padding:18px 20px;border-top:1px solid var(--border)}.shelf-row:first-child{border-top:0}.shelf-row strong{color:var(--ink)}.shelf-row p{margin:4px 0 0;color:var(--muted)}.shelf-row a{color:var(--brand);font-weight:800}.status-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:14px}.status-card{padding:22px;border:1px solid var(--border);border-radius:14px;background:#fff}.status-card b{display:block;color:var(--brand);font-size:20px}.status-card p{margin:8px 0 0;color:var(--muted)}.feature-split{display:grid;grid-template-columns:minmax(0,1.2fr) minmax(280px,.8fr);gap:28px;align-items:center}.feature-split.reverse{grid-template-columns:minmax(280px,.8fr) minmax(0,1.2fr)}.feature-split.reverse .feature-media{order:1}.feature-split.reverse .feature-copy{order:2}.feature-copy h2{margin-top:0;color:var(--ink)}.quote-card{border-left:4px solid var(--brand);background:var(--layer);padding:20px 22px;border-radius:0 12px 12px 0;margin:18px 0}.quote-card p{margin:0;color:var(--text)}.quote-card small{display:block;margin-top:10px;color:var(--brand);font-weight:800}.faq-list{display:grid;gap:12px}.faq-item{background:#fff;border:1px solid var(--border);border-radius:12px;padding:18px 20px}.faq-item h2,.faq-item h3{font-size:18px;margin:0 0 8px;color:var(--ink)}.faq-item p{margin:0;color:var(--muted)}.policy-list{display:grid;gap:16px}.policy-item{border-top:1px solid var(--border);padding-top:18px}.policy-item h2{font-size:21px;margin:0 0 8px;color:var(--ink)}.policy-item p{margin:0 0 10px}.index-cover{padding:34px 0 46px}.index-cover .cover-copy{padding-top:22px;max-width:900px}.index-cover h1{font-size:clamp(28px,4vw,32px);line-height:1.28;margin:6px 0 12px;color:var(--ink)}.index-cover .mini-title{font-weight:900;color:var(--brand);letter-spacing:.08em}.index-cover p{margin:0;color:var(--muted);font-size:17px}.page-card-rows{display:grid;grid-template-columns:repeat(3,1fr);gap:12px}.page-card{padding:18px;border:1px solid var(--border);border-radius:12px;background:#fff}.page-card .mini-block{width:34px;height:8px;border-radius:3px;background:var(--bright);margin-bottom:14px}.page-card:nth-child(even) .mini-block{background:var(--deep)}.page-card h3{margin:0 0 6px;color:var(--ink)}.page-card p{margin:0;color:var(--muted);font-size:14px}.page-card a{display:inline-block;margin-top:10px;color:var(--brand);font-weight:800}.board-list{display:grid;grid-template-columns:repeat(5,1fr);border:1px solid var(--border);border-radius:14px;overflow:hidden;background:#fff}.board-item{padding:20px;border-left:1px solid var(--border)}.board-item:first-child{border-left:0}.board-item .big-num{font-size:42px;color:var(--brand);font-weight:900;line-height:1}.board-item h3{font-size:16px;margin:12px 0 6px;color:var(--ink)}.board-item p{font-size:13px;color:var(--muted);margin:0}.app-showcase{display:grid;grid-template-columns:minmax(260px,.7fr) minmax(0,1.3fr);gap:34px;align-items:center}.app-brand-lockup{display:flex;align-items:center;gap:14px;margin-bottom:16px}.app-brand-lockup h2{margin:0;color:var(--ink)}.site-footer{background:#0A1628;color:#A0AEC0;margin-top:30px;padding:46px 0 calc(24px + env(safe-area-inset-bottom))}.footer-brand-row{display:flex;justify-content:space-between;gap:40px;align-items:flex-start;padding-bottom:28px;border-bottom:1px solid rgba(255,255,255,.12)}.footer-brand{display:flex;align-items:center;gap:12px;color:#fff}.footer-brand span{display:grid}.footer-brand em{font-style:normal;color:#A0AEC0;font-size:12px}.footer-brand-row p{max-width:680px;margin:0;color:#A0AEC0}.footer-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;padding:28px 0}.footer-grid h2{font-size:14px;color:#fff;margin:0 0 10px}.footer-grid a{display:block;color:#A0AEC0;padding:4px 0}.footer-grid a:hover{color:#fff}.footer-bottom{display:flex;flex-wrap:wrap;gap:18px;padding-top:18px;border-top:1px solid rgba(255,255,255,.12);font-size:13px}.footer-bottom a{color:#fff}.mobile-bottom{display:none}
@media (max-width:900px){.catalog-groups{grid-template-columns:repeat(2,1fr)}.card-grid.four,.status-grid{grid-template-columns:repeat(2,1fr)}.board-list{grid-template-columns:repeat(2,1fr)}.board-item{border-top:1px solid var(--border)}.feature-split,.feature-split.reverse,.app-showcase{grid-template-columns:1fr}.feature-split.reverse .feature-media,.feature-split.reverse .feature-copy{order:initial}.footer-brand-row{display:block}.footer-brand-row p{margin-top:18px}.footer-grid{grid-template-columns:repeat(2,1fr)}}
@media (max-width:720px){body{padding-bottom:calc(50px + env(safe-area-inset-bottom))}.site-main{padding-top:var(--top-mobile)}.tab-strip{display:none}.cover-inner{grid-template-columns:1fr auto auto;gap:8px}.cover-bar,.cover-inner{height:60px}.brand-logo{height:30px;max-width:120px}.brand-fallback{font-size:24px}.catalog-button,.app-link{padding:7px 10px;min-height:44px;font-size:14px}.catalog-panel,.search-panel{top:78px;width:100%;border-left:0;border-right:0;border-radius:0 0 14px 14px}.catalog-panel{max-height:66vh}.catalog-head,.search-head{padding:14px 16px}.catalog-groups{grid-template-columns:1fr 1fr;gap:14px;padding:16px}.catalog-group a{padding:8px 0}.search-panel{background:var(--layer)}.search-card{background:var(--layer)}.overlay{inset:78px 0 0}.hero-inner{padding:36px 0 30px}.content-section{padding:38px 0}.card-grid,.card-grid.four,.card-grid.two,.page-card-rows,.tag-grid,.status-grid{grid-template-columns:1fr}.shelf-row{grid-template-columns:1fr;gap:8px}.board-list{grid-template-columns:1fr}.board-item{border-left:0}.number-item{grid-template-columns:52px 1fr}.footer-grid{grid-template-columns:1fr 1fr}.mobile-bottom{position:fixed;left:0;right:0;bottom:0;z-index:700;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(--border);box-shadow:0 -8px 24px rgba(0,33,102,.07)}.mobile-bottom a{display:flex;align-items:center;justify-content:center;min-height:50px;font-size:13px;font-weight:750;color:var(--muted)}.mobile-bottom a.is-current{background:var(--brand);color:#fff}.site-footer{margin-bottom:0}.app-slot{height:360px}.column-slot{height:200px}.wide-slot{height:220px}}
@media (max-width:420px){.shell{width:calc(100% - 32px)}.catalog-groups{grid-template-columns:1fr}.catalog-button,.app-link{padding:7px 8px}.catalog-button{font-size:13px}.app-link{font-size:13px}.page-hero p,.index-cover p{font-size:16px}.footer-grid{grid-template-columns:1fr 1fr;gap:16px}.banner-slot{aspect-ratio:3/2}}