:root{--bg:#000;--deep:#050505;--panel:#0b0b0b;--panel2:#121212;--hover:#1a1a1a;--white:#fff;--title:#f7f7f7;--text:#ddd;--muted:#a5a5a5;--hint:#727272;--silver:#c7c7c7;--line:rgba(255,255,255,.12);--line-strong:rgba(255,255,255,.40);--shadow:0 18px 46px rgba(0,0,0,.48);--max:1280px}
*{box-sizing:border-box}html{background:var(--bg);color-scheme:dark;scroll-behavior:smooth}body{margin:0;background:var(--bg);color:var(--text);font-family:Arial,"Microsoft YaHei","PingFang SC",sans-serif;line-height:1.75;overflow-x:hidden;padding-top:126px}a{color:inherit;text-decoration:none}button,input{font:inherit}.shell{width:min(var(--max),calc(100% - 40px));margin-inline:auto}.skip-link{position:fixed;top:-80px;left:16px;z-index:1000;background:#fff;color:#000;padding:10px 14px}.skip-link:focus{top:8px}.site-header{position:fixed;inset:0 0 auto;z-index:60}.curtain-line{height:20px;background:#000;color:var(--muted);font-size:11px;border-bottom:1px solid rgba(255,255,255,.05)}.curtain-line__inner{height:20px;display:flex;align-items:center;justify-content:space-between}.text-button,.menu-button,.icon-button{border:0;background:transparent;color:inherit;cursor:pointer}.text-button{min-height:20px;padding:0 4px;color:var(--silver)}.screen-bar{height:64px;background:var(--deep);border-bottom:1px solid var(--line-strong)}.screen-bar__inner{height:64px;display:grid;grid-template-columns:1fr auto 1fr;align-items:center;gap:18px}.brand{justify-self:start;display:inline-flex;align-items:center;min-height:44px}.brand__logo{display:block;max-width:170px;height:34px;object-fit:contain;object-position:left center}.brand__fallback{font-weight:800;font-size:24px;letter-spacing:.08em;color:#fff}.menu-button{justify-self:center;min-height:44px;padding:0 16px;border:1px solid var(--line);border-radius:8px;color:#fff;background:#0d0d0d}.app-link{justify-self:end;display:inline-flex;min-height:44px;align-items:center;padding:0 14px;border:1px solid var(--line-strong);border-radius:8px;color:#fff}.session-tabs{height:42px;background:#0a0a0a;border-bottom:1px solid var(--line)}.session-tabs__inner{height:42px;display:flex;align-items:center;gap:6px}.tab{display:inline-flex;align-items:center;height:30px;padding:0 12px;color:var(--silver);border-radius:4px}.tab:hover,.tab:focus-visible{background:var(--hover);color:#fff}.tab.is-active{background:#fff;color:#000}.site-main{min-height:70vh}.hero,.page-hero{border-bottom:1px solid var(--line)}.hero{padding:34px 0 48px}.media-slot{background:#050505;border:1px solid var(--line);display:flex;align-items:center;justify-content:center;overflow:hidden}.media-slot img{width:100%;height:100%;object-fit:contain;object-position:center}.hero-media{width:100%;height:min(300px,44vw);min-height:180px}.media-fallback{padding:34px;color:#fff;text-align:center;letter-spacing:.08em}.eyebrow{margin:24px 0 6px;color:var(--muted);font-size:13px;letter-spacing:.12em}.hero h1,.page-hero h1{margin:0;color:var(--title);font-size:clamp(28px,4vw,32px);line-height:1.35}.lead{max-width:900px;margin:16px 0 0;font-size:16px;color:var(--text)}.actions{display:flex;gap:12px;flex-wrap:wrap;margin-top:24px}.button{min-height:44px;display:inline-flex;align-items:center;justify-content:center;padding:0 18px;border-radius:8px;border:1px solid var(--line-strong);background:transparent;color:#fff}.button.primary{background:#fff;color:#000}.button:hover,.button:focus-visible,.app-link:hover,.app-link:focus-visible,.menu-button:hover,.menu-button:focus-visible{outline:2px solid #fff;outline-offset:2px}.section{padding:48px 0;border-bottom:1px solid var(--line)}.section-title{display:flex;align-items:end;justify-content:space-between;gap:24px;margin-bottom:22px}.section-title h2{margin:0;color:#fff;font-size:24px}.section-title p{margin:0;max-width:680px;color:var(--muted)}.grid{display:grid;gap:14px}.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:var(--panel);border:1px solid var(--line);padding:22px;border-radius:8px}.card:hover{border-color:var(--line-strong)}.card h3{margin:0 0 8px;color:#fff;font-size:19px}.card p{margin:0;color:var(--muted)}.card .more{display:inline-flex;margin-top:14px;color:#fff;border-bottom:1px solid var(--line-strong)}.number-row{display:grid;grid-template-columns:70px 1fr;gap:20px;padding:18px 0;border-top:1px solid var(--line)}.number-row strong{font-size:26px;color:#fff}.number-row h3{margin:0 0 5px;color:#fff}.number-row p{margin:0;color:var(--muted)}.image-card{padding:0;overflow:hidden}.image-card .media-slot{height:200px;border:0;border-bottom:1px solid var(--line)}.image-card__body{padding:20px}.stack{display:grid;gap:14px}.quote{border-left:2px solid #fff;padding:8px 0 8px 18px;color:var(--text);background:rgba(255,255,255,.02)}.quote strong{display:block;color:#fff;margin-bottom:8px}.status{display:inline-flex;padding:4px 9px;border:1px solid var(--line-strong);border-radius:4px;color:#fff;font-size:12px;margin-bottom:10px}.page-hero{padding:44px 0 30px;background:var(--deep)}.page-hero .media-slot{margin-top:24px;height:min(300px,44vw);min-height:180px}.page-layout{display:grid;grid-template-columns:minmax(0,1fr) 290px;gap:28px;padding:38px 0 54px}.article{min-width:0}.article section{padding:0 0 30px;margin-bottom:30px;border-bottom:1px solid var(--line)}.article h2{margin:0 0 12px;color:#fff;font-size:23px}.article h3{color:#fff}.article p{margin:0 0 14px}.article ul{padding-left:20px}.article li{margin-bottom:8px}.aside-card{position:sticky;top:148px;align-self:start;background:var(--panel);border:1px solid var(--line);padding:20px;border-radius:8px}.aside-card h2{font-size:18px;color:#fff;margin:0 0 12px}.aside-card a{display:block;padding:9px 0;border-top:1px solid var(--line);color:var(--silver)}.steps{counter-reset:step}.step{counter-increment:step;display:grid;grid-template-columns:52px 1fr;gap:18px;padding:20px 0;border-top:1px solid var(--line)}.step:before{content:counter(step,decimal-leading-zero);font-size:24px;color:#fff}.step h3{margin:0 0 8px}.faq-list{display:grid;gap:12px}.faq-item{background:var(--panel);border:1px solid var(--line);padding:20px;border-radius:8px}.faq-item h2{font-size:19px;margin:0 0 8px;color:#fff}.faq-item p{margin:0;color:var(--text)}.product{display:grid;grid-template-columns:minmax(0,1fr) minmax(220px,360px);gap:28px;align-items:center}.product .media-slot{height:420px}.product-icon{width:72px;height:72px;border:1px solid var(--line);background:#050505;display:flex;align-items:center;justify-content:center;margin-bottom:16px}.product-icon img{width:100%;height:100%;object-fit:contain}.site-footer{background:#000;border-top:1px solid var(--line);padding:42px 0 calc(30px + env(safe-area-inset-bottom))}.footer-brand{display:flex;justify-content:space-between;gap:28px;padding-bottom:28px}.footer-brand__mark{display:flex;gap:12px;align-items:center;min-width:230px}.footer-brand__mark div{display:grid}.footer-brand__mark strong{color:#fff}.footer-brand__mark span{font-size:12px;color:var(--muted)}.footer-logo,.drawer-logo{height:30px;max-width:150px;object-fit:contain;object-position:left center}.footer-brand p{margin:0;max-width:720px;color:var(--muted)}.footer-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;padding:26px 0;border-top:1px solid var(--line);border-bottom:1px solid var(--line)}.footer-grid h2{font-size:14px;color:#fff}.footer-grid a{display:block;padding:5px 0;color:var(--silver)}.footer-grid a:hover{color:#fff}.footer-bottom{display:flex;justify-content:space-between;gap:20px;padding-top:20px;color:var(--hint);font-size:13px}.drawer{position:fixed;right:0;top:0;z-index:90;width:min(390px,86vw);height:100dvh;background:#090909;border-left:1px solid var(--line-strong);box-shadow:var(--shadow);transform:translateX(100%);visibility:hidden;pointer-events:none;transition:transform .22s ease,visibility .22s;overflow-y:auto}.drawer.is-open{transform:translateX(0);visibility:visible;pointer-events:auto}.drawer__head{position:sticky;top:0;z-index:2;background:#090909;border-bottom:1px solid var(--line);min-height:64px;display:flex;align-items:center;justify-content:space-between;padding:12px 18px}.drawer__brand{display:flex;align-items:center;gap:10px;color:#fff;font-weight:700}.icon-button{min-height:44px;padding:0 10px;color:#fff}.drawer__groups{padding:10px 18px 32px}.drawer__groups section{padding:12px 0}.drawer__groups h2{font-size:12px;letter-spacing:.14em;color:var(--hint);margin:0 0 8px}.drawer__groups a{display:block;padding:12px 0;border-top:1px solid var(--line)}.drawer__groups strong{display:block;color:#fff}.drawer__groups span{display:block;color:var(--muted);font-size:13px;margin-top:2px}.search-panel{position:fixed;z-index:85;top:84px;left:0;right:0;visibility:hidden;pointer-events:none;transform:translateY(-12px);opacity:0;transition:.18s ease}.search-panel.is-open{visibility:visible;pointer-events:auto;transform:none;opacity:1}.search-panel__card{width:min(720px,calc(100% - 32px));margin:12px auto 0;background:#101010;border:1px solid var(--line-strong);padding:20px;box-shadow:var(--shadow)}.search-panel__head{display:flex;align-items:center;justify-content:space-between}.search-panel h2{margin:0;color:#fff}.search-panel label{display:block;color:var(--muted);margin:8px 0}.search-panel input{width:100%;min-height:46px;background:#000;border:1px solid var(--line-strong);color:#fff;padding:0 12px;border-radius:6px}.search-links{display:flex;flex-wrap:wrap;gap:8px;margin-top:14px}.search-links a{border:1px solid var(--line);padding:8px 10px;border-radius:6px;color:var(--silver)}.page-overlay{position:fixed;inset:0;z-index:80;background:rgba(0,0,0,.72);opacity:0;visibility:hidden;pointer-events:none;transition:.18s ease}.page-overlay.is-open{opacity:1;visibility:visible;pointer-events:auto}.ui-locked{overflow:hidden}.mobile-bottom{display:none}
@media (max-width:900px){body{padding-top:84px;padding-bottom:calc(60px + env(safe-area-inset-bottom))}.shell{width:min(var(--max),calc(100% - 32px))}.session-tabs{display:none}.screen-bar__inner{grid-template-columns:minmax(0,1fr) auto minmax(0,1fr);gap:8px}.brand__logo{max-width:120px;height:30px}.menu-button,.app-link{padding:0 10px}.page-layout{grid-template-columns:1fr}.aside-card{position:static}.grid-4{grid-template-columns:repeat(2,minmax(0,1fr))}.grid-3{grid-template-columns:repeat(2,minmax(0,1fr))}.product{grid-template-columns:1fr}.product .media-slot{height:380px;max-width:360px}.footer-grid{grid-template-columns:repeat(2,1fr)}.footer-brand{display:grid}.mobile-bottom{display:grid;grid-template-columns:repeat(5,1fr);position:fixed;left:0;right:0;bottom:0;z-index:70;height:calc(50px + env(safe-area-inset-bottom));padding-bottom:env(safe-area-inset-bottom);background:#080808;border-top:1px solid var(--line-strong)}.mobile-bottom a{display:flex;align-items:center;justify-content:center;min-width:0;color:var(--silver);font-size:13px}.mobile-bottom a.is-active{background:#fff;color:#000}.drawer{z-index:95}.page-overlay{z-index:90}.search-panel{top:84px;z-index:96}.search-panel__card{width:calc(100% - 20px);background:#000}.curtain-line__inner{width:calc(100% - 20px)}}
@media (max-width:620px){.grid-2,.grid-3,.grid-4{grid-template-columns:1fr}.hero{padding-top:20px}.hero-media,.page-hero .media-slot{height:210px;min-height:160px}.section{padding:38px 0}.section-title{display:grid;gap:8px}.card{padding:18px}.number-row{grid-template-columns:46px 1fr;gap:12px}.footer-grid{grid-template-columns:1fr 1fr;gap:14px}.footer-bottom{display:grid}.page-layout{padding-top:28px}.product .media-slot{height:340px}.screen-bar__inner{gap:4px}.app-link{font-size:13px}.menu-button{font-size:13px}.brand__fallback{font-size:20px}}