:root{--bg:#fff;--deep-bg:#f5f7fa;--panel:#fff;--soft:#eef1f6;--title:#0a1628;--text:#1e2a3a;--muted:#4a5568;--assist:#718096;--blue:#0033a0;--bright:#0052cc;--deep:#002066;--border:rgba(0,51,160,.14);--shadow:0 12px 36px rgba(0,33,102,.08);--radius:14px;--header-h:134px}*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:var(--bg);color:var(--text);font-family:Arial,"Microsoft YaHei","PingFang SC",sans-serif;font-size:16px;line-height:1.75;overflow-x:hidden}body.ui-locked{overflow:hidden}a{color:inherit;text-decoration:none}button,input{font:inherit}.shell{width:min(1220px,calc(100% - 32px));margin:0 auto}.skip-link{position:fixed;left:16px;top:-80px;z-index:300;background:#fff;color:var(--blue);padding:10px 14px;border:1px solid var(--blue)}.skip-link:focus{top:28px}.site-header{position:fixed;inset:0 0 auto;z-index:100}.blue-line{height:22px;background:var(--deep);color:#fff;font-size:12px}.blue-line-inner{height:22px;display:flex;align-items:center;justify-content:space-between}.text-control{border:0;background:transparent;color:#fff;padding:0 8px;height:22px;cursor:pointer}.masthead{height:68px;background:#fff;border-bottom:1px solid var(--border)}.masthead-inner{height:100%;display:grid;grid-template-columns:1fr auto 1fr;align-items:center}.brand-mark{justify-self:start;display:flex;align-items:center;min-height:44px}.brand-mark img,.footer-logo img,.panel-brand img{display:block;max-height:36px;width:auto;object-fit:contain}.brand-mark strong{font-size:28px;color:var(--deep)}.catalog-trigger{justify-self:center;min-height:44px;min-width:88px;border:1px solid var(--blue);border-radius:10px;background:#fff;color:var(--blue);font-weight:700;cursor:pointer}.app-link{justify-self:end;display:inline-flex;align-items:center;justify-content:center;min-height:44px;padding:0 18px;border-radius:10px;background:linear-gradient(135deg,#0052cc 0%,#0033a0 50%,#002066 100%);color:#fff;font-weight:700}.tab-strip{height:44px;background:var(--soft);border-bottom:1px solid var(--border)}.tab-strip-inner{height:44px;display:flex;align-items:center;gap:8px}.tab-strip a{display:inline-flex;align-items:center;min-height:32px;padding:0 12px;border-radius:7px;color:var(--deep);font-weight:700}.tab-strip a.is-active{background:var(--blue);color:#fff}.site-main{padding-top:calc(var(--header-h) + 28px);min-height:70vh}.page-hero,.section-block{padding:42px 0}.page-hero{padding-top:28px}.page-hero .eyebrow,.kicker{color:var(--blue);font-weight:800;letter-spacing:.06em}.page-hero h1{font-size:clamp(28px,4vw,32px);line-height:1.25;margin:8px 0 16px;color:var(--title)}.lead{max-width:850px;font-size:18px;color:var(--muted)}.hero-media,.media-slot{background:var(--deep-bg);border:1px solid var(--border);border-radius:var(--radius);padding:12px;display:flex;align-items:center;justify-content:center;overflow:hidden}.hero-media{max-height:300px;margin-bottom:24px;aspect-ratio:16/7}.hero-media img,.media-slot img,.app-visual img{max-width:100%;max-height:100%;width:auto;height:auto;display:block;object-fit:contain;object-position:center}.media-slot{min-height:210px}.section-head{display:flex;align-items:end;justify-content:space-between;gap:24px;margin-bottom:20px}.section-head h2,.content-card h2,.statement h2{margin:0;color:var(--title);font-size:24px}.section-head p{margin:0;color:var(--muted);max-width:650px}.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))}.grid-6{grid-template-columns:repeat(3,minmax(0,1fr))}.content-card,.index-card,.faq-item,.statement,.timeline-item{background:#fff;border:1px solid var(--border);border-radius:var(--radius);box-shadow:var(--shadow);padding:22px}.content-card p,.index-card p,.statement p{color:var(--muted)}.content-card a,.index-card a,.inline-link{color:var(--blue);font-weight:800}.tag{display:inline-flex;align-items:center;min-height:28px;padding:2px 9px;border-radius:6px;background:var(--blue);color:#fff;font-size:13px;font-weight:800}.tag.alt{background:var(--deep)}.number{font-size:34px;font-weight:900;color:var(--blue);line-height:1}.button-row{display:flex;flex-wrap:wrap;gap:12px;margin-top:22px}.button{display:inline-flex;min-height:44px;align-items:center;justify-content:center;padding:0 18px;border-radius:10px;font-weight:800}.button.primary{background:linear-gradient(135deg,#0052cc 0%,#0033a0 50%,#002066 100%);color:#fff}.button.secondary{background:#fff;color:var(--blue);border:1px solid var(--blue)}.feature-card .media-slot{height:210px;margin-bottom:16px}.feature-card p{min-height:84px}.image-copy{display:grid;grid-template-columns:minmax(0,1.15fr) minmax(300px,.85fr);gap:24px;align-items:center}.image-copy.reverse{grid-template-columns:minmax(300px,.85fr) minmax(0,1.15fr)}.image-copy.reverse .media-slot{order:2}.number-list{display:grid;gap:12px}.number-row{display:grid;grid-template-columns:62px 1fr;gap:14px;align-items:start;padding:18px 0;border-bottom:1px solid var(--border)}.number-row:last-child{border-bottom:0}.number-row h3{margin:0 0 6px;color:var(--title)}.number-row p{margin:0;color:var(--muted)}.timeline{position:relative;padding-left:28px}.timeline:before{content:"";position:absolute;left:7px;top:7px;bottom:7px;width:2px;background:var(--border)}.timeline-item{position:relative;margin-bottom:16px}.timeline-item:before{content:"";position:absolute;left:-25px;top:24px;width:12px;height:12px;border-radius:50%;background:var(--blue);box-shadow:0 0 0 5px #fff;border:1px solid var(--blue)}.timeline-item h3{margin-top:0}.shelf-row{display:grid;grid-template-columns:120px 1fr auto;gap:18px;align-items:center;padding:18px;border:1px solid var(--border);border-radius:12px;background:#fff}.shelf-row+.shelf-row{margin-top:12px}.shelf-label{font-weight:900;color:var(--blue)}.editor-note{border-left:4px solid var(--blue);background:var(--deep-bg);padding:18px 20px;border-radius:0 12px 12px 0}.app-layout{display:grid;grid-template-columns:minmax(220px,360px) 1fr;gap:34px;align-items:center}.app-visual{height:420px;background:var(--deep-bg);border:1px solid var(--border);border-radius:var(--radius);padding:14px;display:flex;align-items:center;justify-content:center}.legal-list{display:grid;gap:14px}.legal-list section{border-top:1px solid var(--border);padding-top:18px}.legal-list h2{font-size:21px;margin:0 0 8px;color:var(--title)}.faq-list{display:grid;gap:14px}.faq-item h2{font-size:19px;margin:0 0 8px;color:var(--title)}.faq-item p{margin:0;color:var(--muted)}.site-footer{background:var(--title);color:#a0aec0;padding:44px 0 92px;margin-top:48px}.footer-brand{display:flex;justify-content:space-between;align-items:center;gap:28px;padding-bottom:26px;border-bottom:1px solid rgba(255,255,255,.12)}.footer-brand p{max-width:700px;margin:0}.footer-logo{display:flex;align-items:center;gap:12px;color:#fff}.footer-logo div{display:flex;flex-direction:column}.footer-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:28px;padding:30px 0}.footer-grid h2{color:#fff;font-size:15px;margin:0 0 10px}.footer-grid a{display:block;padding:5px 0}.footer-grid a:hover{color:#fff}.footer-bottom{padding-top:18px;border-top:1px solid rgba(255,255,255,.12);font-size:14px}.overlay{position:fixed;inset:0;z-index:110;background:rgba(10,22,40,.48);opacity:0;visibility:hidden;pointer-events:none;transition:.2s}.overlay.is-open{opacity:1;visibility:visible;pointer-events:auto}.catalog-panel{position:fixed;left:0;right:0;top:90px;z-index:120;background:#fff;border-bottom:1px solid var(--border);box-shadow:var(--shadow);max-height:calc(100vh - 110px);overflow:auto;transform:translateY(-12px);opacity:0;visibility:hidden;pointer-events:none;transition:.2s}.catalog-panel.is-open{transform:none;opacity:1;visibility:visible;pointer-events:auto}.catalog-inner{padding-top:20px;padding-bottom:28px}.panel-head{display:flex;justify-content:space-between;align-items:center;gap:20px;margin-bottom:18px}.panel-brand{display:flex;align-items:center;gap:10px}.close-button{min-height:44px;padding:0 15px;background:#fff;color:var(--blue);border:1px solid var(--blue);border-radius:9px;cursor:pointer}.catalog-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:24px}.catalog-grid h2{font-size:16px;color:var(--blue)}.catalog-grid a{display:block;padding:10px 0;border-top:1px solid var(--border)}.catalog-grid b{display:block;color:var(--title)}.catalog-grid span{display:block;color:var(--muted);font-size:13px;line-height:1.55;margin-top:3px}.search-layer{position:fixed;left:50%;top:106px;z-index:130;width:min(760px,calc(100% - 32px));transform:translate(-50%,-10px);opacity:0;visibility:hidden;pointer-events:none;transition:.2s}.search-layer.is-open{transform:translate(-50%,0);opacity:1;visibility:visible;pointer-events:auto}.search-card{background:#fff;border-radius:16px;border:1px solid var(--border);box-shadow:0 22px 80px rgba(0,33,102,.2);padding:24px}.search-card label{display:block;font-weight:800;margin-bottom:8px}.search-card input{width:100%;height:48px;border:1px solid var(--border);border-radius:10px;padding:0 14px;color:var(--title);background:#fff}.search-presets{display:grid;grid-template-columns:repeat(3,1fr);gap:10px;margin-top:16px}.search-presets a{display:flex;align-items:center;justify-content:center;min-height:44px;border:1px solid var(--border);border-radius:9px;color:var(--blue);font-weight:800}.search-note{color:var(--assist);font-size:13px;margin-bottom:0}.mobile-bottom-nav{display:none}.button:focus-visible,a:focus-visible,button:focus-visible,input:focus-visible{outline:3px solid rgba(0,82,204,.3);outline-offset:2px}
@media(max-width:900px){.grid-4,.catalog-grid{grid-template-columns:repeat(2,1fr)}.grid-3,.grid-6{grid-template-columns:repeat(2,1fr)}.image-copy,.image-copy.reverse,.app-layout{grid-template-columns:1fr}.image-copy.reverse .media-slot{order:0}.app-visual{height:360px}.footer-grid{grid-template-columns:repeat(2,1fr)}}
@media(max-width:760px){:root{--header-h:90px}.shell{width:min(100% - 32px,1220px)}.tab-strip{display:none}.masthead-inner{grid-template-columns:minmax(76px,1fr) auto minmax(76px,1fr);gap:8px}.brand-mark img{max-width:112px}.catalog-trigger{min-width:72px}.app-link{padding:0 12px}.site-main{padding-top:calc(var(--header-h) + 20px)}.page-hero,.section-block{padding:30px 0}.hero-media{aspect-ratio:3/2;max-height:300px}.grid-2,.grid-3,.grid-4,.grid-6{grid-template-columns:1fr}.feature-card p{min-height:0}.catalog-panel{top:90px;width:100%;max-height:calc(100vh - 90px)}.catalog-grid{grid-template-columns:1fr 1fr;gap:16px}.search-layer{inset:90px 0 0;width:100%;transform:translateY(-8px);background:var(--deep-bg);overflow:auto}.search-layer.is-open{transform:none}.search-card{min-height:100%;border:0;border-radius:0;box-shadow:none;background:var(--deep-bg);padding:24px 16px}.search-presets{grid-template-columns:repeat(2,1fr)}.mobile-bottom-nav{position:fixed;display:grid;grid-template-columns:repeat(5,1fr);left:0;right:0;bottom:0;z-index:90;min-height:calc(50px + env(safe-area-inset-bottom));padding-bottom:env(safe-area-inset-bottom);background:#fff;border-top:1px solid var(--border)}.mobile-bottom-nav a{display:flex;align-items:center;justify-content:center;min-height:50px;color:var(--deep);font-size:13px;font-weight:800}.mobile-bottom-nav a.is-active{background:var(--blue);color:#fff}.site-footer{padding-bottom:104px}.footer-brand{align-items:flex-start;flex-direction:column}.shelf-row{grid-template-columns:1fr}.shelf-row .button{justify-self:start}.number-row{grid-template-columns:50px 1fr}}
@media(max-width:480px){.catalog-grid{grid-template-columns:1fr}.footer-grid{grid-template-columns:1fr 1fr}.app-link{font-size:14px}.brand-mark strong{font-size:24px}.content-card,.index-card,.faq-item,.statement,.timeline-item{padding:18px}}