:root{--bg:#0D0D0D;--deep:#070707;--panel:#171717;--sub:#222;--title:#F2F2F2;--text:#C8C8C8;--muted:#9A9A9A;--quiet:#6E6E6E;--silver:#C8C8C8;--bright:#E8E8E8;--ink:#1A1A1A;--red:#B85A5A;--line:rgba(232,232,232,.12);--line2:rgba(232,232,232,.36);--shadow:0 12px 28px rgba(0,0,0,.45);--radius:12px;--max:1120px}
*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:var(--bg);color:var(--text);font-family:Arial,"PingFang SC","Microsoft YaHei",sans-serif;font-size:15px;line-height:1.7;overflow-x:hidden}body.is-locked{overflow:hidden}a{color:inherit;text-decoration:none}button,input{font:inherit}button{color:inherit}img{max-width:100%;display:block}.shell{width:min(var(--max),calc(100% - 32px));margin:0 auto}.inkline{position:fixed;top:0;left:0;right:0;height:22px;background:var(--deep);border-bottom:1px solid var(--line);z-index:50;font-size:12px}.inkline-inner{height:22px;display:flex;align-items:center;justify-content:space-between}.plain-action,.drawer-trigger,.icon-button{border:0;background:transparent;cursor:pointer}.plain-action{min-height:22px;padding:0 8px;color:var(--bright)}.mastbar{position:fixed;top:22px;left:0;right:0;height:60px;background:var(--ink);border-bottom:1px solid var(--line);z-index:49}.mastbar-inner{height:60px;display:grid;grid-template-columns:1fr auto 1fr;align-items:center}.brand{justify-self:start;min-width:44px;min-height:44px;display:flex;align-items:center}.brand-media img,.footer-logo img,.drawer-brand img{height:28px;width:auto;object-fit:contain}.brand-media strong{color:var(--bright);font-size:16px}.drawer-trigger{justify-self:center;min-width:72px;height:44px;border:1px solid var(--line2);border-radius:10px;color:var(--bright);font-size:14px}.app-link{justify-self:end;display:inline-flex;align-items:center;justify-content:center;min-height:44px;padding:0 16px;border-radius:10px;background:linear-gradient(135deg,#E8E8E8 0%,#C8C8C8 55%,#8A8A8A 100%);color:#0D0D0D;font-weight:700;white-space:nowrap}.case-tabs{position:fixed;top:82px;left:0;right:0;height:40px;background:#101010;border-bottom:1px solid var(--line);z-index:48}.case-tabs-inner{height:40px;display:flex;align-items:center;justify-content:center;gap:8px}.case-tabs a{display:flex;align-items:center;justify-content:center;height:30px;min-width:84px;padding:0 16px;border-radius:8px;color:var(--silver);font-size:13px}.case-tabs a.is-active{background:var(--bright);color:var(--bg)}.site-main{padding-top:150px;padding-bottom:40px;min-height:70vh}h1,h2,h3{color:var(--title);line-height:1.3;margin-top:0}h1{font-size:24px}h2{font-size:20px}h3{font-size:16px}p{margin:0 0 1em}.eyebrow{font-size:12px;letter-spacing:.14em;color:var(--muted);text-transform:uppercase}.page-head{padding:34px 0 24px;border-bottom:1px solid var(--line);margin-bottom:26px}.page-head p{max-width:820px;color:var(--muted)}.section{margin:28px 0}.section-title{display:flex;align-items:end;justify-content:space-between;gap:16px;margin-bottom:14px}.section-title p{margin:0;color:var(--muted);font-size:13px}.panel{background:var(--panel);border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow)}.pad{padding:22px}.grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}.grid-2{display:grid;grid-template-columns:repeat(2,1fr);gap:16px}.card{background:var(--panel);border:1px solid var(--line);border-radius:var(--radius);overflow:hidden}.card-body{padding:18px}.card p{color:var(--muted)}.media-slot{height:180px;background:var(--ink);display:flex;align-items:center;justify-content:center;border-bottom:1px solid var(--line)}.media-slot.large{height:200px}.media-slot.banner{height:260px}.media-slot.app{height:360px}.media-slot img{width:100%;height:100%;object-fit:contain;object-position:center}.hero-brand{text-align:center;padding:20px 0 4px}.hero-brand h1{margin-bottom:8px}.hero-brand p{max-width:820px;margin:0 auto 18px;color:var(--muted)}.actions{display:flex;gap:10px;justify-content:center;flex-wrap:wrap}.btn{min-height:42px;padding:0 18px;border-radius:10px;display:inline-flex;align-items:center;justify-content:center;font-size:14px;white-space:nowrap}.btn.primary{background:linear-gradient(135deg,#E8E8E8 0%,#C8C8C8 55%,#8A8A8A 100%);color:#0D0D0D;font-weight:700}.btn.secondary{background:#111;border:1px solid var(--line2);color:var(--bright)}a:hover,.btn:hover,.drawer a:hover{filter:brightness(1.08)}a:focus-visible,button:focus-visible,input:focus-visible{outline:2px solid var(--bright);outline-offset:2px}.number-list{display:grid;grid-template-columns:repeat(4,1fr);gap:12px}.number-item{background:var(--panel);border:1px solid var(--line);border-radius:12px;padding:16px}.number-item b,.big-number{font-size:26px;color:var(--bright);display:block;line-height:1}.shelf{display:grid;grid-template-columns:repeat(3,1fr);gap:14px}.shelf article{padding:18px;border:1px solid var(--line);border-radius:12px;background:linear-gradient(180deg,#1b1b1b,#131313)}.shelf small,.meta{color:var(--quiet)}.timeline{position:relative;margin-left:10px;padding-left:28px}.timeline:before{content:"";position:absolute;left:5px;top:6px;bottom:6px;width:1px;background:var(--line2)}.timeline-item{position:relative;padding:0 0 22px}.timeline-item:before{content:"";position:absolute;left:-28px;top:6px;width:11px;height:11px;border-radius:50%;background:var(--bright);box-shadow:0 0 0 5px rgba(232,232,232,.08)}.status{display:inline-flex;padding:3px 8px;border-radius:999px;background:#202020;border:1px solid var(--line);color:var(--silver);font-size:12px}.note-list,.method-list,.policy-list{display:grid;gap:12px}.note,.method,.policy{padding:18px;border:1px solid var(--line);background:var(--panel);border-radius:12px}.note h3,.method h3,.policy h3{margin-bottom:6px}.editorial{display:grid;grid-template-columns:90px 1fr;gap:14px;align-items:start;padding:18px 0;border-bottom:1px solid var(--line)}.editorial:last-child{border-bottom:0}.editorial .big-number{font-size:34px}.faq-list{display:grid;gap:14px}.faq-item{background:var(--panel);border:1px solid var(--line);border-radius:12px;padding:20px}.faq-item h2{font-size:17px;margin-bottom:8px}.callout{border-left:3px solid var(--red);background:#151111;padding:16px 18px;border-radius:0 12px 12px 0}.app-layout{display:grid;grid-template-columns:minmax(0,1fr) 320px;gap:24px;align-items:start}.mini-icon{width:48px;height:48px;object-fit:contain}.site-footer{background:var(--deep);border-top:1px solid var(--line);padding:34px 0 80px;font-size:13px}.footer-grid{display:grid;grid-template-columns:2.2fr repeat(4,1fr);gap:24px}.footer-brand p{color:var(--muted);max-width:420px}.footer-en{color:var(--bright)!important}.footer-grid nav{display:flex;flex-direction:column;gap:6px}.footer-grid nav h2{font-size:13px;margin-bottom:4px}.footer-grid nav a{color:var(--muted)}.footer-bottom{margin-top:24px;padding-top:16px;border-top:1px solid var(--line);color:var(--quiet)}.overlay{position:fixed;inset:0;background:rgba(0,0,0,.66);z-index:70;opacity:0;pointer-events:none;transition:opacity .2s}.overlay.is-open{opacity:1;pointer-events:auto}.drawer{position:fixed;left:0;top:0;bottom:0;width:min(400px,86vw);background:#101010;z-index:80;border-right:1px solid var(--line2);box-shadow:var(--shadow);transform:translateX(-105%);visibility:hidden;pointer-events:none;transition:transform .22s ease,visibility .22s}.drawer.is-open{transform:translateX(0);visibility:visible;pointer-events:auto}.drawer-head{height:68px;padding:0 18px;display:flex;align-items:center;justify-content:space-between;border-bottom:1px solid var(--line)}.drawer-brand{display:flex;align-items:center;gap:10px;color:var(--bright)}.icon-button{min-height:44px;padding:0 12px;border:1px solid var(--line2);border-radius:9px}.drawer-scroll{height:calc(100vh - 68px);overflow:auto;padding:16px 18px 26px}.drawer section{margin-bottom:20px}.drawer section h2{font-size:12px;color:var(--quiet);letter-spacing:.16em;text-transform:uppercase}.drawer section a{display:block;padding:12px 10px;border-radius:10px;border-bottom:1px solid rgba(232,232,232,.07)}.drawer section a strong{display:block;color:var(--bright);font-size:14px}.drawer section a span{display:block;color:var(--muted);font-size:12px;margin-top:2px}.search-layer{position:fixed;left:0;right:0;top:82px;z-index:75;visibility:hidden;pointer-events:none}.search-layer.is-open{visibility:visible;pointer-events:auto}.search-card{width:min(760px,calc(100% - 32px));margin:16px auto;background:var(--ink);border:1px solid var(--line2);border-radius:14px;padding:20px;box-shadow:var(--shadow)}.search-head{display:flex;align-items:center;justify-content:space-between;gap:14px}.search-head strong{display:block;color:var(--bright)}.search-head span{display:block;color:var(--muted);font-size:13px}.search-label{display:block;color:var(--muted);font-size:12px;margin:14px 0 6px}.search-card input{width:100%;height:46px;border-radius:10px;border:1px solid var(--line2);background:#0f0f0f;color:var(--bright);padding:0 14px}.search-presets{display:flex;gap:8px;flex-wrap:wrap;margin-top:12px}.search-presets a{border:1px solid var(--line);padding:8px 12px;border-radius:999px;color:var(--silver)}.search-empty{margin-top:12px;color:var(--muted)}.mobile-bottom{display:none}
@media(max-width:800px){.case-tabs{display:none}.site-main{padding-top:110px;padding-bottom:82px}.grid-3,.grid-2,.shelf,.number-list,.footer-grid,.app-layout{grid-template-columns:1fr}.media-slot.banner{height:260px}.media-slot.app{height:320px}.footer-grid{gap:18px}.site-footer{padding-bottom:92px}.mobile-bottom{position:fixed;display:grid;grid-template-columns:repeat(5,1fr);left:0;right:0;bottom:0;z-index:45;background:#0a0a0a;border-top:1px solid var(--line2);height:calc(48px + env(safe-area-inset-bottom));padding-bottom:env(safe-area-inset-bottom)}.mobile-bottom a{display:flex;align-items:center;justify-content:center;min-height:48px;font-size:12px;color:var(--silver)}.mobile-bottom a.is-active{background:var(--bright);color:var(--bg)}.search-layer{top:0;bottom:0;background:#090909;display:flex;align-items:flex-start}.search-card{width:100%;height:100%;margin:0;border:0;border-radius:0;padding:86px 16px 24px}.editorial{grid-template-columns:64px 1fr}.mastbar-inner{grid-template-columns:1fr auto 1fr}.app-link{padding:0 12px}.drawer-trigger{min-width:68px}.footer-grid nav{padding-top:10px;border-top:1px solid var(--line)}}
@media(max-width:420px){.shell{width:calc(100% - 32px)}.hero-brand{text-align:left}.actions{justify-content:flex-start}.media-slot.banner{height:220px}.brand-media img{max-width:120px}.app-link{font-size:13px}.section-title{display:block}.section-title p{margin-top:4px}}

.icon-title-row{display:flex;gap:12px;align-items:center;margin-bottom:10px}.icon-title-row.spaced{margin-bottom:14px}.flush-title{margin:0}.space-top{margin-top:16px}.space-top-small{margin-top:12px}.actions.actions-left{justify-content:flex-start}