*{box-sizing:border-box}:root{--bg:#fff;--deep-bg:#F5F7FA;--sub:#EEF1F6;--title:#0A1628;--text:#1E2A3A;--muted:#4A5568;--soft:#718096;--blue:#0033A0;--bright:#0052CC;--deep:#002066;--line:rgba(0,51,160,.14);--shadow:0 12px 36px rgba(0,33,102,.08);--max:1220px;--top:124px}html{scroll-behavior:smooth;overflow-x:hidden}body{margin:0;background:#fff;color:var(--text);font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Microsoft YaHei",Arial,sans-serif;line-height:1.75;overflow-x:hidden}body.locked{overflow:hidden}a{color:inherit;text-decoration:none}a,button,input{font:inherit}button{cursor:pointer}img{max-width:100%;display:block}.shell{width:min(calc(100% - 32px),var(--max));margin:auto}.site-header{position:fixed;inset:0 0 auto;z-index:80}.imprint-line{height:20px;background:var(--deep);color:#fff;font-size:12px}.imprint-inner{height:20px;display:flex;align-items:center;justify-content:space-between}.text-control{border:0;background:transparent;color:#fff}.counter-bar{height:62px;background:#fff;border-bottom:1px solid var(--line)}.counter-inner{height:62px;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}.brand-logo{width:auto;height:34px;max-width:138px;object-fit:contain;object-position:left center}.brand-word{font-weight:900;color:var(--deep);font-size:26px}.drawer-trigger,.app-link{min-height:44px;border-radius:10px;font-weight:800;display:flex;align-items:center;justify-content:center}.drawer-trigger{justify-self:center;border:1px solid var(--line);background:#fff;color:var(--deep);padding:0 14px;gap:8px}.app-link{justify-self:end;padding:0 15px;background:linear-gradient(135deg,#0052CC 0%,#0033A0 50%,#002066 100%);color:#fff}.tag-strip{height:42px;background:var(--deep-bg);border-bottom:1px solid var(--line)}.tag-strip-inner{height:42px;display:flex;align-items:center;gap:7px}.tag-strip a{font-size:14px;color:var(--muted);padding:6px 10px;border-radius:6px}.tag-strip a.active{background:var(--blue);color:#fff}.site-main{padding-top:calc(var(--top) + 30px);min-height:70vh}.section{padding:38px 0}.section.alt{background:var(--deep-bg)}.section-head{display:flex;justify-content:space-between;gap:20px;align-items:end;margin-bottom:22px}.section-head h2{margin:4px 0 0;color:var(--title);font-size:25px;line-height:1.3}.section-head p{max-width:660px;margin:0;color:var(--muted)}.eyebrow{font-size:12px;letter-spacing:.13em;font-weight:900;color:var(--blue)}.page-hero{padding:14px 0 34px}.hero-inner{background:linear-gradient(#fff,#f7f9fd);border:1px solid var(--line);border-radius:16px;padding:30px;box-shadow:var(--shadow)}.page-hero h1{margin:7px 0 12px;color:var(--title);font-size:32px;line-height:1.25}.page-hero p{margin:0;max-width:880px;color:var(--muted)}.hero-actions,.button-row{display:flex;flex-wrap:wrap;gap:10px;margin-top:20px}.btn{min-height:44px;display:inline-flex;align-items:center;justify-content:center;padding:0 17px;border-radius:10px;font-weight:800}.btn.primary{background:linear-gradient(135deg,#0052CC 0%,#0033A0 50%,#002066 100%);color:#fff}.btn.secondary{background:#fff;color:var(--blue);border:1px solid var(--blue)}a:focus-visible,button:focus-visible,input:focus-visible{outline:3px solid rgba(0,82,204,.28);outline-offset:3px}.cover-slot{max-height:300px;min-height:170px;background:var(--deep-bg);border:1px solid var(--line);border-radius:16px;overflow:hidden;display:flex;align-items:center;justify-content:center}.cover-slot img{width:100%;height:auto;max-height:300px;object-fit:contain;object-position:center}.media-slot{background:var(--deep-bg);border:1px solid var(--line);border-radius:14px;display:flex;align-items:center;justify-content:center;overflow:hidden;min-height:180px}.media-slot img{width:100%;height:100%;max-height:240px;object-fit:contain;object-position:center}.media-slot.tall img{max-height:420px;width:auto}.media-slot.tall{min-height:300px}.media-placeholder{background:linear-gradient(135deg,#EEF1F6,#F8FAFC)}.home-intro{padding:20px 0 34px}.home-intro h1{font-size:31px;line-height:1.24;margin:8px 0;color:var(--title)}.intro-copy{max-width:830px;color:var(--muted)}.mini-title{font-weight:900;color:var(--blue);letter-spacing:.08em}.grid{display:grid;gap:16px}.grid.three,.grid.six{grid-template-columns:repeat(3,1fr)}.grid.four{grid-template-columns:repeat(4,1fr)}.card,.article-block,.faq-item{background:#fff;border:1px solid var(--line);border-radius:14px;padding:20px;box-shadow:0 8px 22px rgba(0,33,102,.04)}.card h3,.article-block h2,.faq-item h2{margin:8px 0 6px;color:var(--title)}.card p,.article-block p,.faq-item p{margin:0;color:var(--muted)}.more{display:inline-flex;margin-top:14px;color:var(--blue);font-weight:800;min-height:44px;align-items:center}.accent-badge{display:inline-flex;align-items:center;justify-content:center;min-width:34px;height:28px;padding:0 8px;border-radius:7px;background:var(--bright);color:#fff;font-size:12px;font-weight:900}.accent-badge.deep{background:var(--deep)}.media-card{padding:0;overflow:hidden}.media-card .media-slot{border:0;border-bottom:1px solid var(--line);border-radius:0;min-height:190px;height:205px}.card-body{padding:19px}.split{display:grid;grid-template-columns:minmax(0,1.12fr) minmax(300px,.88fr);gap:24px;align-items:start}.number-list{border-top:1px solid var(--line)}.number-row{display:grid;grid-template-columns:70px 170px 1fr auto;gap:12px;align-items:center;border-bottom:1px solid var(--line);padding:14px 0}.num,.rank-num{font-weight:900;color:var(--blue)}.num{font-size:24px}.number-row a{color:var(--blue);font-weight:800}.rack-list{border:1px solid var(--line);border-radius:14px;overflow:hidden;background:#fff}.rack-row{display:grid;grid-template-columns:90px 1fr 180px;gap:18px;padding:18px 20px;border-bottom:1px solid var(--line)}.rack-row:last-child{border-bottom:0}.rack-code,.rack-row a{color:var(--blue);font-weight:900}.rack-row h3{margin:0;color:var(--title)}.rack-row p{margin:4px 0;color:var(--muted)}.big-rank{display:grid;gap:12px}.rank-item{display:grid;grid-template-columns:86px 1fr;gap:20px;background:#fff;border:1px solid var(--line);border-radius:14px;padding:18px}.rank-num{font-size:42px;line-height:1}.rank-item h3{margin:0;color:var(--title)}.rank-item p{margin:5px 0;color:var(--muted)}.timeline{position:relative;margin-left:8px;padding-left:28px}.timeline:before{content:"";position:absolute;left:5px;top:9px;bottom:9px;width:2px;background:var(--line)}.timeline-item{position:relative;padding:0 0 24px}.timeline-item:before{content:"";position:absolute;left:-28px;top:8px;width:12px;height:12px;border-radius:50%;background:var(--blue);box-shadow:0 0 0 5px #eaf0ff}.timeline-item h3{margin:0;color:var(--title)}.timeline-item p{margin:5px 0;color:var(--muted)}.status{display:inline-flex;padding:3px 8px;border-radius:6px;color:#fff;background:var(--blue);font-size:12px;font-weight:900}.longcopy{background:#fff;border:1px solid var(--line);border-radius:14px;padding:26px}.longcopy h2{color:var(--title);font-size:22px;margin:25px 0 8px}.longcopy h2:first-child{margin-top:0}.longcopy p{margin:0 0 13px}.editor-note{padding:18px;border-left:4px solid var(--blue);background:var(--deep-bg);color:var(--muted)}.article-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:16px}.tag-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:14px}.tag-card{border:1px solid var(--line);background:#fff;border-radius:12px;padding:18px}.tag-card h3{margin:9px 0 5px}.tag-card p{margin:0;color:var(--muted)}.tag-card a{display:inline-flex;min-height:44px;align-items:center;color:var(--blue);font-weight:800}.faq-list{display:grid;gap:14px}.faq-item h2{font-size:18px}.home-tail{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}.app-showcase{display:grid;grid-template-columns:minmax(0,1fr) 340px;gap:28px;align-items:center}.icon-title{display:flex;align-items:center;gap:14px}.icon-title img{width:64px;height:64px;object-fit:contain;border-radius:14px;border:1px solid var(--line)}.site-drawer{position:fixed;z-index:110;top:0;bottom:0;left:0;width:350px;max-width:84vw;background:#fff;box-shadow:20px 0 48px rgba(0,33,102,.16);transform:translateX(-103%);visibility:hidden;pointer-events:none;transition:.22s;overflow:auto;padding:18px}.site-drawer.is-open{transform:none;visibility:visible;pointer-events:auto}.drawer-head{display:flex;justify-content:space-between;align-items:center;border-bottom:1px solid var(--line);padding-bottom:12px;position:sticky;top:0;background:#fff;z-index:2}.drawer-brand{display:flex;align-items:center;gap:10px}.drawer-logo{height:30px}.icon-button{width:44px;height:44px;border-radius:10px;border:1px solid var(--line);background:#fff;color:var(--deep);font-size:25px}.drawer-groups{display:grid;gap:14px;margin-top:14px}.drawer-group{border:1px solid var(--line);border-radius:12px;padding:12px;background:var(--deep-bg)}.drawer-group h2{font-size:13px;color:var(--blue);margin:0 0 8px}.drawer-grid{display:grid;grid-template-columns:1fr 1fr;gap:8px}.drawer-grid a{background:#fff;border:1px solid var(--line);border-radius:9px;padding:10px;min-height:84px}.drawer-grid strong{display:block;font-size:14px}.drawer-grid span{display:block;color:var(--soft);font-size:12px;line-height:1.55}.search-layer{position:fixed;z-index:105;left:50%;top:82px;width:min(calc(100% - 32px),760px);transform:translate(-50%,-16px);visibility:hidden;pointer-events:none;opacity:0;transition:.2s}.search-layer.is-open{visibility:visible;pointer-events:auto;opacity:1;transform:translate(-50%,0)}.search-card{background:#fff;border:1px solid var(--line);border-radius:14px;padding:20px;box-shadow:var(--shadow)}.search-head{display:flex;justify-content:space-between}.search-head h2{margin:4px 0;font-size:22px}.search-look{display:block;margin-top:16px}.search-look span{display:block;font-size:13px;font-weight:800}.search-look input{width:100%;min-height:46px;border:1px solid var(--line);border-radius:10px;padding:0 13px}.preset-links{display:flex;flex-wrap:wrap;gap:8px;margin-top:13px}.preset-links a{display:inline-flex;min-height:44px;align-items:center;padding:0 13px;border:1px solid var(--line);border-radius:9px;color:var(--blue);font-weight:800;background:var(--deep-bg)}.search-note{font-size:13px;color:var(--soft)}.page-overlay{position:fixed;inset:0;z-index:100;background:rgba(10,22,40,.38);opacity:0;visibility:hidden;pointer-events:none;transition:.2s}.page-overlay.is-open{opacity:1;visibility:visible;pointer-events:auto}.site-footer{background:var(--title);color:#A0AEC0;margin-top:50px}.footer-top{display:grid;grid-template-columns:1.05fr 1.95fr;gap:42px;padding:44px 0 34px}.footer-brand strong{display:block;color:#fff;font-size:22px}.footer-logo{height:32px;filter:brightness(0) invert(1)}.footer-groups{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}.footer-groups h2{font-size:14px;color:#fff}.footer-groups a{display:block;color:#CBD5E0;padding:5px 0;font-size:14px}.footer-bottom{border-top:1px solid rgba(255,255,255,.12);padding:16px 0 24px;font-size:13px}.mobile-bottom{display:none}@media(max-width:900px){:root{--top:82px}.tag-strip{display:none}.site-main{padding-top:calc(var(--top) + 24px)}.grid.four{grid-template-columns:repeat(2,1fr)}.grid.three,.grid.six,.tag-grid{grid-template-columns:repeat(2,1fr)}.split,.app-showcase{grid-template-columns:1fr}.article-grid{grid-template-columns:1fr}.footer-top{grid-template-columns:1fr}.number-row{grid-template-columns:62px 140px 1fr}.number-row a{grid-column:2/4}.rack-row{grid-template-columns:70px 1fr}.rack-row a{grid-column:2}}@media(max-width:640px){body{padding-bottom:calc(50px + env(safe-area-inset-bottom))}.counter-inner{grid-template-columns:minmax(74px,1fr) auto minmax(74px,1fr);gap:8px}.brand-logo{max-width:94px;height:30px}.drawer-trigger,.app-link{padding:0 10px;font-size:13px}.page-hero h1,.home-intro h1{font-size:28px}.section{padding:30px 0}.section-head{display:block}.grid.three,.grid.four,.grid.six,.tag-grid,.home-tail{grid-template-columns:1fr}.number-row{grid-template-columns:54px 1fr}.number-row span,.number-row a{grid-column:2}.rack-row{grid-template-columns:1fr}.rack-row a{grid-column:auto}.rank-item{grid-template-columns:64px 1fr}.rank-num{font-size:34px}.footer-groups{grid-template-columns:repeat(2,1fr)}.search-layer{top:86px;width:calc(100% - 20px)}.search-card{background:var(--deep-bg);padding:16px}.site-drawer{width:84vw}.mobile-bottom{display:grid;grid-template-columns:repeat(5,1fr);position:fixed;z-index:70;left:0;right:0;bottom:0;height:calc(50px + env(safe-area-inset-bottom));padding-bottom:env(safe-area-inset-bottom);background:#fff;border-top:1px solid var(--line)}.mobile-bottom a{display:flex;align-items:center;justify-content:center;min-height:50px;color:var(--muted);font-size:13px;font-weight:800}.mobile-bottom a.active{background:var(--blue);color:#fff}}@media(max-width:390px){.drawer-trigger span:first-child{display:none}.drawer-grid{grid-template-columns:1fr}}