:root {
    --bg:#0D0D0D; --deep:#070707; --panel:#171717; --panel2:#222222;
    --title:#F2F2F2; --text:#C8C8C8; --muted:#9A9A9A; --soft:#6E6E6E;
    --silver:#C8C8C8; --bright:#E8E8E8; --ink:#1A1A1A; --red:#B85A5A;
    --line:rgba(232,232,232,.12); --line-strong:rgba(232,232,232,.36);
    --shadow:0 12px 28px rgba(0,0,0,.45); --radius:12px; --shell:1120px;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth;background:var(--bg)}
body{margin:0;background:var(--bg);color:var(--text);font:15px/1.7 -apple-system,BlinkMacSystemFont,"Segoe UI","Microsoft YaHei",Arial,sans-serif;overflow-x:hidden}
body.layer-open{overflow:hidden}
a{color:inherit;text-decoration:none} a:hover{color:var(--bright)}
button,a{ -webkit-tap-highlight-color:transparent }
button{font:inherit}
img{display:block;max-width:100%}
.shell{width:min(calc(100% - 32px),var(--shell));margin-inline:auto}
.ink-line{position:fixed;inset:0 0 auto 0;height:22px;background:var(--deep);border-bottom:1px solid var(--line);z-index:70;font-size:12px;color:var(--silver)}
.ink-line-inner{height:22px;display:flex;align-items:center;justify-content:space-between}
.text-button,.drawer-button,.close-button{border:0;background:transparent;color:var(--silver);cursor:pointer;min-height:44px;padding:0 12px}
.text-button{min-height:22px;padding:0 2px;font-size:12px}
.top-bar{position:fixed;top:22px;left:0;right:0;height:60px;background:var(--ink);border-bottom:1px solid var(--line);z-index:69}
.top-bar-inner{height:100%;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;font-size:16px;font-weight:700;color:var(--bright)}
.brand-link img{height:28px;width:auto;object-fit:contain;object-position:center}
.drawer-button{justify-self:center;border:1px solid var(--line-strong);border-radius:10px;min-width:86px;background:var(--panel)}
.app-link{justify-self:end;display:inline-flex;align-items:center;justify-content:center;min-height:44px;padding:0 14px;border-radius:10px;color:#0D0D0D;background:linear-gradient(135deg,#E8E8E8 0%,#C8C8C8 55%,#8A8A8A 100%);font-weight:700;font-size:14px;white-space:nowrap}
.case-tabs{position:fixed;top:82px;left:0;right:0;height:40px;background:var(--deep);border-bottom:1px solid var(--line);z-index:68;font-size:13px}
.case-tabs-inner{height:40px;display:flex;justify-content:center;align-items:center;gap:8px}
.case-tabs a{display:flex;height:30px;min-width:84px;padding:0 18px;align-items:center;justify-content:center;border-radius:8px;color:var(--silver)}
.case-tabs a.is-current{background:var(--bright);color:#0D0D0D;font-weight:700}
.site-main{padding-top:146px;min-height:70vh}
.section{padding:34px 0}.section-tight{padding:22px 0}.section + .section{border-top:1px solid var(--line)}
.eyebrow{margin:0 0 8px;color:var(--muted);font-size:12px;letter-spacing:.08em;text-transform:uppercase}
h1,h2,h3{color:var(--title);margin:0 0 14px;line-height:1.3}h1{font-size:24px}h2{font-size:20px}h3{font-size:16px}
p{margin:0 0 14px}.lead{font-size:16px;color:var(--silver);max-width:820px}.muted{color:var(--muted)}
.hero-copy{max-width:860px;margin:20px auto 0;text-align:center}.hero-copy p{margin-inline:auto}.hero-copy .lead{margin-inline:auto}
.actions{display:flex;gap:12px;flex-wrap:wrap;margin-top:20px;justify-content:flex-start}.hero-copy .actions{justify-content:center}
.button-primary,.button-secondary{height:42px;display:inline-flex;align-items:center;justify-content:center;padding:0 18px;border-radius:10px;font-size:14px;font-weight:700;white-space:nowrap}
.button-primary{color:#0D0D0D;background:linear-gradient(135deg,#E8E8E8 0%,#C8C8C8 55%,#8A8A8A 100%)}
.button-secondary{color:var(--bright);background:var(--deep);border:1px solid var(--line-strong)}
.button-primary:hover{color:#0D0D0D;filter:brightness(1.05)}.button-secondary:hover{border-color:var(--bright)}
.button-primary:focus-visible,.button-secondary:focus-visible,.drawer-button:focus-visible,.text-button:focus-visible,.close-button:focus-visible,.app-link:focus-visible,a:focus-visible{outline:2px solid var(--bright);outline-offset:3px}
.cover-slot,.media-slot,.wide-slot,.app-slot{width:100%;background:var(--ink);border:1px solid var(--line);border-radius:14px;display:flex;align-items:center;justify-content:center;overflow:hidden}
.cover-slot{height:260px}.media-slot{height:180px}.wide-slot{height:200px}.app-slot{height:min(360px,68vw)}
.cover-slot img,.media-slot img,.wide-slot img,.app-slot img{width:100%;height:100%;object-fit:contain;object-position:center}
.grid-3{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:16px}.grid-2{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:16px}.grid-4{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:14px}
.card,.paper,.shelf-card,.notice-card{background:var(--panel);border:1px solid var(--line);border-radius:var(--radius);padding:18px;box-shadow:var(--shadow)}
.card p:last-child,.paper p:last-child,.notice-card p:last-child{margin-bottom:0}.card .media-slot{margin-bottom:16px}
.number-list{display:grid;gap:10px;margin-top:18px}.number-row{display:grid;grid-template-columns:52px 1fr;gap:14px;padding:14px 0;border-top:1px solid var(--line)}.number-row:first-child{border-top:0}.number{font-size:24px;color:var(--bright);font-weight:800;line-height:1.1}
.shelf{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:14px}.shelf-card{box-shadow:none;min-height:150px}.shelf-card small{display:block;color:var(--muted);margin-bottom:8px}
.timeline{position:relative;margin:20px 0 0 8px;padding-left:28px}.timeline:before{content:"";position:absolute;left:7px;top:8px;bottom:8px;width:1px;background:var(--line-strong)}.timeline-item{position:relative;padding:0 0 26px}.timeline-item:before{content:"";position:absolute;left:-26px;top:8px;width:12px;height:12px;border-radius:50%;background:var(--bright);box-shadow:0 0 0 5px var(--bg)}.status{display:inline-flex;align-items:center;min-height:28px;padding:0 10px;border:1px solid var(--line-strong);border-radius:999px;font-size:12px;color:var(--silver);margin-bottom:8px}
.page-head{padding:6px 0 26px}.page-head .wide-slot{margin-top:20px}.prose{max-width:860px}.prose h2{margin-top:28px}.prose ul{margin:0 0 16px;padding-left:20px}.prose li{margin:7px 0}.kicker{color:var(--red);font-weight:700}
.app-icon-wrap{min-height:48px;margin-bottom:12px}.app-icon{width:48px;height:48px;object-fit:contain;object-position:center;border-radius:12px}
.definition-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:14px}.definition-grid article{background:var(--panel);border:1px solid var(--line);border-radius:12px;padding:18px}
.faq-list{display:grid;gap:14px}.faq-item{background:var(--panel);border:1px solid var(--line);border-radius:12px;padding:18px}.faq-item h2,.faq-item h3{margin-bottom:10px}
.callout{border-left:3px solid var(--red);background:var(--panel);padding:16px 18px;border-radius:0 12px 12px 0}.callout p:last-child{margin:0}
.site-footer{background:var(--deep);border-top:1px solid var(--line);padding:34px 0 80px;color:var(--silver);font-size:13px}.footer-brand{display:flex;align-items:center;gap:12px;padding-bottom:20px}.footer-brand-mark img{height:28px;width:auto;object-fit:contain}.footer-brand strong{display:block;color:var(--bright)}.footer-brand span{display:block;color:var(--muted);font-size:11px;letter-spacing:.08em}.footer-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:18px;padding:22px 0;border-top:1px solid var(--line);border-bottom:1px solid var(--line)}.footer-grid h2{font-size:13px;margin-bottom:10px}.footer-grid a{display:block;color:var(--muted);padding:4px 0}.footer-note{padding-top:20px;color:var(--muted)}
.screen-mask{position:fixed;inset:0;background:rgba(0,0,0,.62);z-index:88;opacity:0;visibility:hidden;pointer-events:none;transition:.2s}.screen-mask.is-open{opacity:1;visibility:visible;pointer-events:auto}
.drawer-panel{position:fixed;left:0;top:0;bottom:0;width:min(400px,86vw);background:var(--deep);z-index:90;transform:translateX(-102%);visibility:hidden;pointer-events:none;transition:transform .24s ease,visibility .24s;box-shadow:var(--shadow);overflow:auto}.drawer-panel.is-open{transform:translateX(0);visibility:visible;pointer-events:auto}.drawer-head{position:sticky;top:0;background:var(--deep);z-index:2;display:flex;align-items:center;justify-content:space-between;padding:14px 16px;border-bottom:1px solid var(--line)}.drawer-brand{display:flex;align-items:center;gap:10px;color:var(--bright);font-weight:700}.drawer-brand img{height:28px;width:auto;object-fit:contain}.close-button{border:1px solid var(--line-strong);border-radius:9px;min-height:40px}.drawer-body{padding:12px 16px 30px}.drawer-body section{padding:14px 0;border-bottom:1px solid var(--line)}.drawer-body h2{font-size:13px;color:var(--muted);margin:0 0 8px}.drawer-body a{display:block;padding:10px 0}.drawer-body a strong{display:block;color:var(--bright);font-size:14px}.drawer-body a span{display:block;color:var(--muted);font-size:12px;margin-top:2px;line-height:1.5}
.search-panel{position:fixed;top:82px;left:0;right:0;z-index:91;visibility:hidden;pointer-events:none;opacity:0;transition:.2s}.search-panel.is-open{visibility:visible;pointer-events:auto;opacity:1}.search-card{width:min(calc(100% - 32px),680px);margin:12px auto 0;background:var(--ink);border:1px solid var(--line-strong);border-radius:14px;padding:18px;box-shadow:var(--shadow)}.search-head{display:flex;align-items:center;justify-content:space-between;gap:16px}.search-head h2{margin:0}.search-card p{color:var(--muted);margin:10px 0 14px}.search-presets{display:flex;flex-wrap:wrap;gap:10px}.search-presets a{display:inline-flex;align-items:center;min-height:42px;padding:0 14px;border:1px solid var(--line-strong);border-radius:10px;background:var(--deep)}
.mobile-bottom{display:none}
@media (max-width:820px){
    .case-tabs{display:none}.site-main{padding-top:104px}.grid-3,.grid-4,.shelf{grid-template-columns:1fr}.grid-2,.definition-grid{grid-template-columns:1fr}.cover-slot{height:220px}.wide-slot{height:190px}.media-slot{height:180px}.top-bar-inner{gap:8px}.brand-link img{max-width:118px}.drawer-button{min-width:76px;padding:0 10px}.app-link{padding:0 10px;font-size:13px}.footer-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.site-footer{padding-bottom:88px}.mobile-bottom{display:grid;grid-template-columns:repeat(5,1fr);position:fixed;left:0;right:0;bottom:0;z-index:75;min-height:48px;padding-bottom:env(safe-area-inset-bottom);background:var(--deep);border-top:1px solid var(--line)}.mobile-bottom a{display:flex;align-items:center;justify-content:center;min-height:48px;font-size:12px;color:var(--silver)}.mobile-bottom a.is-current{background:var(--bright);color:#0D0D0D;font-weight:700}.search-panel{top:0;bottom:0;background:var(--deep);overflow:auto}.search-card{width:100%;min-height:100%;margin:0;border:0;border-radius:0;padding:calc(28px + env(safe-area-inset-top)) 16px 70px;box-shadow:none}.search-presets{display:grid;grid-template-columns:1fr 1fr}.search-presets a{justify-content:center}.number-row{grid-template-columns:46px 1fr}.section{padding:28px 0}
}
@media (max-width:460px){.footer-grid{grid-template-columns:1fr 1fr}.hero-copy{text-align:left}.hero-copy .actions{justify-content:flex-start}.cover-slot{height:190px}.top-bar-inner{grid-template-columns:minmax(0,1fr) auto minmax(0,1fr)}.brand-link{max-width:110px}.brand-link span{font-size:15px}.app-link{white-space:nowrap}.shell{width:min(calc(100% - 32px),var(--shell))}}