:root{--ink:#0A1628;--text:#1E2A3A;--muted:#4A5568;--soft:#718096;--blue:#0033A0;--blue2:#0052CC;--blue3:#002066;--line:rgba(0,51,160,.14);--wash:#F5F7FA;--wash2:#EEF1F6;--shadow:0 12px 36px rgba(0,33,102,.08)}*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:#fff;color:var(--text);font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","Microsoft YaHei",Arial,sans-serif;line-height:1.75;overflow-x:hidden}body.locked{overflow:hidden}a{color:inherit;text-decoration:none}button,input{font:inherit}.wrap{width:min(1220px,calc(100% - 32px));margin-inline:auto}.site-header{position:fixed;inset:0 0 auto;z-index:80}.spine{height:18px;background:var(--blue3);color:#fff;font-size:12px}.spine-inner{height:18px;display:flex;align-items:center;justify-content:space-between}.text-button{border:0;background:transparent;color:#fff;padding:0 8px;height:18px;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;align-items:center;gap:16px}.brand-link{justify-self:start;display:flex;align-items:center;min-height:44px;color:var(--blue3);font-size:24px}.brand-logo,.catalog-logo,.footer-logo{height:34px;max-width:170px;object-fit:contain;object-position:left center}.catalog-button{justify-self:center;min-height:44px;padding:0 18px;border:1px solid var(--line);background:#fff;color:var(--blue3);border-radius:10px;cursor:pointer}.app-link{justify-self:end;display:inline-flex;align-items:center;min-height:44px;padding:0 16px;border-radius:10px;color:#fff;background:linear-gradient(135deg,var(--blue2),var(--blue),var(--blue3))}.tabs{height:40px;background:var(--wash);border-bottom:1px solid var(--line)}.tabs-inner{height:40px;display:flex;align-items:center;gap:4px}.tabs a{display:flex;align-items:center;height:30px;padding:0 12px;border-radius:7px;color:var(--muted)}.tabs a.active{background:var(--blue);color:#fff}.main-content{padding-top:118px}.hero,.section{padding:34px 0}.section.alt{background:var(--wash)}.hero-media,.media-slot{display:flex;align-items:center;justify-content:center;background:var(--wash2);border:1px solid var(--line);border-radius:14px;overflow:hidden}.hero-media{min-height:220px;max-height:300px}.hero-media img{width:100%;max-height:300px;object-fit:contain;object-position:center}.media-slot img,.card-media img{width:100%;height:100%;object-fit:contain;object-position:center}.eyebrow{font-size:13px;color:var(--blue);font-weight:700;letter-spacing:.08em}.hero h1,.page-head h1{font-size:clamp(28px,4vw,32px);line-height:1.25;margin:14px 0 10px;color:var(--ink)}.lead{font-size:17px;max-width:900px;color:var(--muted)}.actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:20px}.btn{display:inline-flex;align-items:center;justify-content:center;min-height:44px;padding:0 18px;border-radius:10px;border:1px solid var(--blue);font-weight:700}.btn.primary{background:linear-gradient(135deg,var(--blue2),var(--blue),var(--blue3));color:#fff}.btn.secondary{background:#fff;color:var(--blue)}.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:14px;padding:20px;box-shadow:var(--shadow)}.card h2,.card h3,.section h2{color:var(--ink);line-height:1.35}.card h3{margin:8px 0}.card p{margin:8px 0;color:var(--muted)}.card-media{height:200px;background:var(--wash);border-radius:10px;margin:-4px -4px 16px;display:flex;align-items:center;justify-content:center;overflow:hidden}.section-title{display:flex;align-items:end;justify-content:space-between;gap:20px;margin-bottom:18px}.section-title p{max-width:760px;color:var(--muted);margin:0}.number-list{display:grid;gap:12px}.number-row{display:grid;grid-template-columns:72px 1fr;gap:16px;padding:18px;border:1px solid var(--line);border-radius:12px;background:#fff}.number{font-size:30px;font-weight:800;color:var(--blue)}.tag{display:inline-block;padding:3px 8px;border-radius:7px;background:var(--blue);color:#fff;font-size:12px;font-weight:700}.page-head{padding:42px 0 22px}.page-head p{max-width:900px;color:var(--muted)}.article{padding:0 0 44px}.article .content{max-width:900px}.article h2{margin-top:28px;color:var(--ink)}.article p,.article li{color:var(--text)}.notice{padding:16px 18px;border-left:4px solid var(--blue);background:var(--wash);border-radius:0 10px 10px 0}.status{border-top:4px solid var(--blue)}.steps{counter-reset:step}.step{position:relative;padding-left:70px}.step:before{counter-increment:step;content:counter(step,decimal-leading-zero);position:absolute;left:18px;top:18px;font-weight:800;color:var(--blue)}.faq details{border:1px solid var(--line);border-radius:12px;padding:16px 18px;background:#fff}.faq details+details{margin-top:12px}.faq summary{cursor:pointer;font-weight:700;color:var(--ink)}.faq p{color:var(--muted)}.site-footer{background:var(--ink);color:#A0AEC0;padding:34px 0 calc(26px + env(safe-area-inset-bottom))}.footer-brand-line{display:flex;align-items:center;gap:12px;color:#fff}.footer-brand p{max-width:850px}.footer-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:22px;padding-top:24px}.footer-grid h2{font-size:15px;color:#fff}.footer-grid a{display:block;padding:4px 0}.footer-bottom{border-top:1px solid rgba(255,255,255,.12);margin-top:26px;padding-top:18px}.overlay{position:fixed;inset:0;background:rgba(10,22,40,.42);z-index:90;opacity:0;visibility:hidden;pointer-events:none;transition:.2s}.overlay.open{opacity:1;visibility:visible;pointer-events:auto}.catalog-panel,.search-panel{position:fixed;left:0;right:0;top:78px;z-index:100;opacity:0;visibility:hidden;pointer-events:none;transform:translateY(-8px);transition:.2s}.catalog-panel.open,.search-panel.open{opacity:1;visibility:visible;pointer-events:auto;transform:none}.catalog-shell,.search-card{background:#fff;border:1px solid var(--line);box-shadow:var(--shadow);border-radius:0 0 14px 14px;max-height:50vh;overflow:auto}.catalog-head,.search-head{position:sticky;top:0;background:#fff;display:flex;align-items:center;justify-content:space-between;padding:14px 18px;border-bottom:1px solid var(--line);z-index:2}.catalog-brand{display:flex;align-items:center;gap:10px}.close-button{min-height:40px;padding:0 14px;border:1px solid var(--line);background:#fff;color:var(--blue);border-radius:9px;cursor:pointer}.catalog-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;padding:18px}.catalog-grid h2{font-size:14px;color:var(--soft)}.catalog-grid a{display:block;padding:10px 0;border-top:1px solid var(--line)}.catalog-grid b{display:block;color:var(--ink)}.catalog-grid span{display:block;font-size:13px;color:var(--muted)}.search-card{padding-bottom:20px}.search-card>label,.search-card>input,.search-card>.preset-links,.search-card>.search-note{margin-left:18px;margin-right:18px}.search-card label{display:block;margin-top:18px;color:var(--muted)}.search-card input{width:calc(100% - 36px);min-height:48px;border:1px solid var(--line);border-radius:10px;padding:0 14px}.preset-links{display:flex;flex-wrap:wrap;gap:8px;margin-top:14px}.preset-links a{padding:8px 12px;border:1px solid var(--line);border-radius:8px;color:var(--blue)}.search-note{color:var(--soft);font-size:13px}.mobile-nav{display:none}a:hover,a:focus-visible,button:focus-visible,input:focus-visible{outline:2px solid var(--blue2);outline-offset:2px}
@media(max-width:800px){.tabs{display:none}.main-content{padding-top:78px;padding-bottom:58px}.wrap{width:min(100% - 32px,1220px)}.coverbar-inner{grid-template-columns:minmax(0,1fr) auto auto;gap:8px}.brand-logo{max-width:110px}.catalog-button,.app-link{padding:0 10px;font-size:14px}.grid-4,.grid-3,.grid-2,.footer-grid,.catalog-grid{grid-template-columns:1fr}.hero,.section{padding:26px 0}.catalog-panel,.search-panel{top:78px}.catalog-shell{max-height:66vh;border-radius:0}.search-card{max-height:66vh;background:var(--wash);border-radius:0}.mobile-nav{position:fixed;left:0;right:0;bottom:0;z-index:85;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-nav a{display:flex;align-items:center;justify-content:center;font-size:13px}.mobile-nav a.active{background:var(--blue);color:#fff}.number-row{grid-template-columns:56px 1fr}.footer-grid{grid-template-columns:repeat(2,1fr)}}
@media(max-width:480px){.footer-grid{grid-template-columns:1fr}.catalog-button{font-size:13px}.app-link{font-size:13px}.brand-link strong{font-size:21px}.card{padding:17px}.card-media{height:190px}}