:root{--blue:#0033A0;--bright:#0052CC;--deep:#002066;--ink:#0A1628;--text:#1E2A3A;--muted:#4A5568;--soft:#718096;--line:rgba(0,51,160,.14);--line2:rgba(0,51,160,.32);--bg:#fff;--layer:#F5F7FA;--sub:#EEF1F6;--shadow:0 12px 36px rgba(0,33,102,.08)}
*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;font-family:Arial,"Microsoft YaHei",sans-serif;color:var(--text);background:#fff;line-height:1.72;overflow-x:hidden}body.locked{overflow:hidden}a{color:inherit;text-decoration:none}button,input{font:inherit}img{max-width:100%;height:auto;display:block}button,a{touch-action:manipulation}.site-header{position:sticky;top:0;z-index:80;background:rgba(255,255,255,.96);border-bottom:1px solid var(--line);backdrop-filter:blur(12px)}.nav-wrap{height:72px;max-width:1280px;margin:auto;padding:0 20px;display:flex;align-items:center;gap:22px}.brand{display:flex;align-items:center;min-width:84px;color:var(--blue);font-size:28px}.brand img,.panel-brand img,.footer-brand img{max-height:36px;width:auto}.desktop-nav{display:flex;gap:8px;align-items:center;flex:1}.desktop-nav a{padding:10px 12px;border-radius:999px;font-weight:700;color:var(--muted);white-space:nowrap}.desktop-nav a:hover,.desktop-nav a.active{color:var(--blue);background:#EEF4FF}.nav-actions{display:flex;align-items:center;gap:8px}.text-btn,.app-btn,.icon-btn{min-height:44px;border:1px solid var(--line2);border-radius:999px;background:#fff;color:var(--blue);padding:0 16px;display:inline-flex;align-items:center;justify-content:center;cursor:pointer}.app-btn,.btn.primary{color:#fff;border:0;background:linear-gradient(135deg,#0052CC 0%,#0033A0 50%,#002066 100%);font-weight:700}.menu-btn{display:none}.container{max-width:1280px;margin:auto;padding:0 20px}.hero{padding:56px 0 34px}.hero-grid{display:grid;grid-template-columns:minmax(0,1.85fr) minmax(300px,1fr);gap:28px;align-items:stretch}.hero-media,.media-box{background:linear-gradient(145deg,#EEF4FF,#F7F9FC);border:1px solid var(--line);border-radius:20px;overflow:hidden;min-height:360px;display:flex;align-items:center;justify-content:center}.hero-media img,.media-box 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var(--line);border-radius:999px;background:#fff;color:var(--blue)}.section{padding:62px 0}.section.alt{background:var(--layer)}.section-head{display:flex;align-items:end;justify-content:space-between;gap:20px;margin-bottom:26px}.section h2{font-size:clamp(28px,4vw,44px);line-height:1.15;margin:0;color:var(--ink)}.section-head p{max-width:620px;color:var(--muted);margin:0}.grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}.grid.four{grid-template-columns:repeat(4,1fr)}.card{background:#fff;border:1px solid var(--line);border-radius:16px;padding:22px;box-shadow:var(--shadow)}.card h3{margin:4px 0 10px;color:var(--ink)}.card p{margin:0;color:var(--muted)}.card .more{display:inline-block;margin-top:16px;color:var(--blue);font-weight:700}.number{font-size:42px;color:#C7D7F7;font-weight:900;line-height:1}.page-hero{padding:70px 0 42px;background:linear-gradient(180deg,#F5F8FF,#fff)}.page-hero .inner{max-width:900px}.content-layout{display:grid;grid-template-columns:minmax(0,2fr) minmax(260px,.75fr);gap:28px}.prose{font-size:17px}.prose h2{margin-top:42px;color:var(--ink)}.prose h3{color:var(--ink)}.prose p{margin:14px 0}.aside-box{position:sticky;top:92px;align-self:start;background:var(--layer);border:1px solid var(--line);border-radius:16px;padding:20px}.aside-box a{display:block;padding:10px 0;border-bottom:1px solid var(--line);color:var(--blue)}.track{display:flex;gap:16px;overflow-x:auto;padding-bottom:8px}.track .card{min-width:280px}.status{display:inline-flex;padding:5px 10px;border-radius:999px;background:#EEF4FF;color:var(--blue);font-size:13px;font-weight:700}.faq details{border:1px solid var(--line);border-radius:14px;padding:16px 18px;margin:12px 0;background:#fff}.faq summary{font-weight:800;color:var(--ink);cursor:pointer}.site-footer{background:#0A1628;color:#A0AEC0;padding:58px 0 92px}.footer-inner{max-width:1280px;margin:auto;padding:0 20px}.footer-brand{max-width:560px}.footer-brand h2{color:#fff;font-size:30px}.footer-brand 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12px;border-radius:999px;background:var(--layer);color:var(--blue)}.mobile-bottom{display:none}
@media(max-width:900px){.desktop-nav,.desktop-only,.search-trigger{display:none}.menu-btn{display:inline-flex}.nav-wrap{height:64px;padding:0 15px;justify-content:space-between;gap:8px}.brand{min-width:0;justify-content:center;flex:1}.brand img{max-width:120px}.nav-actions{flex:0}.hero{padding-top:28px}.hero-grid{grid-template-columns:1fr}.hero-copy{order:-1}.hero-media{min-height:220px}.grid,.grid.four{grid-template-columns:1fr 1fr}.content-layout{grid-template-columns:1fr}.aside-box{position:static}.footer-links{grid-template-columns:1fr 1fr}.search-panel{top:0;bottom:0;overflow:auto}.mobile-bottom{display:grid;grid-template-columns:repeat(5,1fr);position:fixed;left:0;right:0;bottom:0;z-index:70;background:#fff;border-top:1px solid var(--line);padding-bottom:env(safe-area-inset-bottom)}.mobile-bottom a{min-height:52px;display:flex;align-items:center;justify-content:center;font-size:13px;color:var(--muted)}.site-footer{padding-bottom:110px}}
@media(max-width:560px){.container{padding:0 15px}.grid,.grid.four,.footer-links{grid-template-columns:1fr}.hero h1,.page-hero h1{font-size:38px}.section{padding:46px 0}.section-head{display:block}.section-head p{margin-top:10px}.hero-copy{padding:20px}.app-btn{padding:0 13px}.icon-btn{padding:0 13px}.page-hero{padding:46px 0 30px}}
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*:focus-visible{outline:3px solid #4D7FE0;outline-offset:3px}