:root{
  --bg:#0D0D0D;--deep:#070707;--panel:#171717;--panel-2:#222222;--title:#F2F2F2;--text:#C8C8C8;--muted:#9A9A9A;--soft:#6E6E6E;--silver:#C8C8C8;--silver-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;--max:1120px;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth;background:var(--bg)}
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.ui-locked{overflow:hidden}
a{color:inherit;text-decoration:none}
button,input{font:inherit}
button{color:inherit}
img{display:block;max-width:100%;height:auto}
.wrap{width:min(calc(100% - 32px),var(--max));margin:0 auto}
.top-stack{position:fixed;inset:0 0 auto 0;z-index:50;box-shadow:0 5px 22px rgba(0,0,0,.28)}
.inkline{height:22px;background:var(--deep);border-bottom:1px solid rgba(232,232,232,.08);font-size:12px;color:var(--silver)}
.inkline-inner{height:22px;display:flex;align-items:center;justify-content:space-between}
.text-button{border:0;background:transparent;padding:0 6px;min-height:22px;cursor:pointer;color:var(--silver-bright)}
.material-bar{height:60px;background:var(--ink);border-bottom:1px solid var(--line)}
.material-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}
.brand-link img,.footer-brand-row img,.drawer-brand img{height:28px;width:auto;max-width:172px;object-fit:contain;object-position:left center}
.brand-text{font-size:16px;font-weight:700;color:var(--title)}
.drawer-trigger,.app-entry,.icon-button{min-height:44px;border-radius:10px;border:1px solid var(--line-strong);padding:0 18px;background:var(--panel);color:var(--silver-bright);cursor:pointer;display:inline-flex;align-items:center;justify-content:center;white-space:nowrap}
.drawer-trigger{justify-self:center;min-width:92px;background:linear-gradient(135deg,#E8E8E8 0%,#C8C8C8 55%,#8A8A8A 100%);color:#0D0D0D;border:0;font-weight:700}
.app-entry{justify-self:end}
.case-tabs{height:40px;background:#111;border-bottom:1px solid var(--line)}
.case-tabs-inner{height:40px;display:flex;align-items:center;justify-content:center;gap:8px}
.case-tabs a{font-size:13px;min-width:100px;text-align:center;padding:6px 14px;border-radius:8px;color:var(--silver)}
.case-tabs a.is-current{background:var(--silver-bright);color:#0D0D0D;font-weight:700}
.site-main{padding-top:146px;min-height:70vh;padding-bottom:36px}
.page-hero{padding:36px 0 22px;border-bottom:1px solid var(--line);background:linear-gradient(180deg,#111 0%,#0D0D0D 100%)}
.eyebrow{font-size:12px;letter-spacing:.12em;text-transform:uppercase;color:var(--muted);margin-bottom:8px}
h1,h2,h3{margin:0;color:var(--title);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;line-height:1.8;color:#D8D8D8;max-width:820px;margin-top:14px}
.section{padding:30px 0}.section + .section{border-top:1px solid rgba(232,232,232,.06)}
.section-head{display:flex;align-items:end;justify-content:space-between;gap:16px;margin-bottom:18px}.section-head p{color:var(--muted);margin:0;max-width:620px}
.card-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:16px}.card-grid.two{grid-template-columns:repeat(2,minmax(0,1fr))}.card-grid.four{grid-template-columns:repeat(4,minmax(0,1fr))}
.card,.note-card,.shelf-card,.timeline-item,.statement{background:var(--panel);border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow)}
.card{overflow:hidden}.card-body{padding:18px}.card p{color:var(--text)}.card a.inline-link,.more-link{color:var(--silver-bright);font-weight:700;border-bottom:1px solid var(--line-strong)}
.image-slot{width:100%;background:var(--ink);display:flex;align-items:center;justify-content:center;border-bottom:1px solid var(--line);overflow:hidden}
.image-slot img{width:100%;height:100%;object-fit:contain;object-position:center}
.slot-180{height:180px}.slot-200{height:200px}.slot-260{height:260px}.slot-app{height:min(360px,62vw)}.app-icon-box{width:48px;height:48px;margin-bottom:14px}
.cover-block{background:var(--panel);border:1px solid var(--line);border-radius:14px;overflow:hidden;box-shadow:var(--shadow)}
.cover-copy{padding:22px}.cover-copy h1{margin-bottom:10px}.cover-copy p{max-width:860px}
.action-row{display:flex;flex-wrap:wrap;gap:10px;margin-top:18px}.btn{min-height:44px;padding:0 18px;border-radius:10px;display:inline-flex;align-items:center;justify-content:center;font-size:14px;font-weight:700;white-space:nowrap}.btn-primary{background:linear-gradient(135deg,#E8E8E8 0%,#C8C8C8 55%,#8A8A8A 100%);color:#0D0D0D}.btn-secondary{background:#111;border:1px solid var(--line-strong);color:var(--silver-bright)}
.number-list{display:grid;gap:10px}.number-row{display:grid;grid-template-columns:54px 1fr;gap:14px;align-items:start;padding:16px;background:var(--panel);border:1px solid var(--line);border-radius:12px}.number-row .num{font-size:26px;font-weight:700;color:var(--silver-bright);line-height:1}.number-row p{margin:5px 0 0;color:var(--muted)}
.shelf{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:14px}.shelf-card{padding:18px;display:grid;grid-template-columns:42px 1fr;gap:14px}.shelf-card .mark{width:42px;height:42px;border:1px solid var(--line-strong);border-radius:10px;display:flex;align-items:center;justify-content:center;color:var(--silver-bright);font-weight:700}.shelf-card p{color:var(--muted);margin-top:4px}
.timeline{position:relative;margin-left:10px;padding-left:26px;border-left:1px solid var(--line-strong);display:grid;gap:14px}.timeline-item{position:relative;padding:18px}.timeline-item:before{content:"";position:absolute;width:11px;height:11px;border-radius:50%;background:var(--silver-bright);left:-32px;top:22px;box-shadow:0 0 0 4px var(--bg)}.status{display:inline-flex;padding:3px 9px;border-radius:999px;background:#2A2A2A;border:1px solid var(--line);color:var(--silver);font-size:12px;margin-bottom:8px}
.memo-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:16px}.note-card{padding:20px}.note-card ul,.article ul,.article ol{margin:10px 0 0;padding-left:20px}.note-card li,.article li{margin:8px 0}
.article{max-width:900px}.article h2{margin:28px 0 10px}.article h3{margin:20px 0 8px}.article p{color:var(--text)}.article .subtle{color:var(--muted)}
.article-wide{max-width:100%}.split-reading{display:grid;grid-template-columns:minmax(0,1.2fr) minmax(260px,.8fr);gap:18px;align-items:start}.aside-box{position:sticky;top:164px;background:var(--panel);border:1px solid var(--line);border-radius:12px;padding:18px}.aside-box a{display:block;padding:8px 0;border-bottom:1px solid rgba(232,232,232,.08)}.aside-box a:last-child{border-bottom:0}
.statement{padding:20px;border-left:3px solid var(--red)}.statement strong{color:var(--title)}
.faq-list{display:grid;gap:12px}.faq-item{background:var(--panel);border:1px solid var(--line);border-radius:12px;padding:18px}.faq-item h2,.faq-item h3{margin-bottom:8px}.faq-item p{margin:0;color:var(--text)}
.site-footer{background:var(--deep);border-top:1px solid var(--line);padding:30px 0 76px;font-size:13px;color:var(--silver)}
.footer-grid{display:grid;grid-template-columns:1.1fr 1.9fr;gap:28px}.footer-brand-row{display:flex;align-items:center;gap:14px;margin-bottom:14px}.footer-brand-row span{font-weight:700;letter-spacing:.08em}.footer-brand p{color:var(--muted)}
.footer-nav{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:14px}.footer-nav strong{display:block;color:var(--title);margin-bottom:7px}.footer-nav a{display:block;color:var(--muted);padding:3px 0}.footer-bottom{margin-top:22px;padding-top:14px;border-top:1px solid var(--line);color:var(--soft)}
.site-mask{position:fixed;inset:0;background:rgba(0,0,0,.68);z-index:70;opacity:0;visibility:hidden;pointer-events:none;transition:.22s ease}.site-mask.is-visible{opacity:1;visibility:visible;pointer-events:auto}
.drawer-panel{position:fixed;left:0;top:0;bottom:0;width:min(400px,86vw);background:#101010;border-right:1px solid var(--line-strong);z-index:80;transform:translateX(-103%);visibility:hidden;pointer-events:none;transition:transform .24s ease,visibility .24s}.drawer-panel.is-open{transform:translateX(0);visibility:visible;pointer-events:auto}.drawer-head{height:76px;padding:14px 16px;display:flex;align-items:center;justify-content:space-between;border-bottom:1px solid var(--line)}.drawer-brand{display:flex;align-items:center;gap:10px}.drawer-brand span{display:flex;flex-direction:column;line-height:1.25}.drawer-brand small{font-size:10px;color:var(--muted)}.drawer-scroll{height:calc(100% - 76px);overflow:auto;padding:16px}.drawer-scroll section{margin-bottom:20px}.drawer-scroll h2{font-size:13px;color:var(--muted);margin-bottom:6px}.drawer-scroll a{display:block;padding:11px 10px;border-radius:10px;border:1px solid transparent}.drawer-scroll a:hover,.drawer-scroll a:focus-visible{background:var(--panel);border-color:var(--line)}.drawer-scroll a strong{display:block;color:var(--title)}.drawer-scroll a span{display:block;color:var(--muted);font-size:13px;margin-top:3px}
.search-layer{position:fixed;z-index:79;left:0;right:0;top:82px;visibility:hidden;opacity:0;pointer-events:none;transform:translateY(-10px);transition:.2s ease}.search-layer.is-open{visibility:visible;opacity:1;pointer-events:auto;transform:translateY(0)}.search-card{width:min(calc(100% - 32px),760px);margin:0 auto;background:var(--ink);border:1px solid var(--line-strong);border-radius:0 0 14px 14px;box-shadow:var(--shadow);padding:18px}.search-head{display:flex;align-items:start;justify-content:space-between;gap:16px}.search-head small{color:var(--muted)}.search-head h2{margin-top:2px}.search-label{display:block;color:var(--muted);font-size:13px;margin:16px 0 6px}.search-card input{width:100%;height:44px;border-radius:10px;border:1px solid var(--line-strong);background:#0E0E0E;color:var(--title);padding:0 12px;outline:none}.search-card input:focus{border-color:var(--silver-bright)}.search-presets{display:flex;flex-wrap:wrap;gap:9px;margin-top:12px}.search-presets a{min-height:44px;padding:0 14px;border-radius:9px;border:1px solid var(--line);display:inline-flex;align-items:center;background:var(--panel);color:var(--silver-bright)}.search-note{font-size:12px;color:var(--muted);margin:12px 0 0}
.mobile-bottom{display:none}
a:hover{color:#fff}.btn:hover,.drawer-trigger:hover,.app-entry:hover,.icon-button:hover{filter:brightness(1.08)}a:focus-visible,button:focus-visible,input:focus-visible{outline:2px solid var(--silver-bright);outline-offset:2px}
@media (max-width:820px){
  .case-tabs{display:none}.top-stack{height:82px}.site-main{padding-top:96px;padding-bottom:72px}.material-inner{grid-template-columns:1fr auto 1fr;gap:8px}.brand-link img{max-width:112px;height:26px}.brand-text{font-size:15px}.drawer-trigger{min-width:76px;padding:0 12px}.app-entry{padding:0 12px}.page-hero{padding-top:26px}.card-grid,.card-grid.two,.card-grid.four,.shelf,.memo-grid,.split-reading,.footer-grid{grid-template-columns:1fr}.slot-260{height:220px}.slot-200{height:180px}.slot-180{height:170px}.section{padding:24px 0}.section-head{display:block}.section-head p{margin-top:6px}.aside-box{position:static}.footer-nav{grid-template-columns:repeat(2,minmax(0,1fr))}.site-footer{padding-bottom:92px}.mobile-bottom{position:fixed;display:grid;grid-template-columns:repeat(5,1fr);left:0;right:0;bottom:0;height:calc(48px + env(safe-area-inset-bottom));padding-bottom:env(safe-area-inset-bottom);background:#0A0A0A;border-top:1px solid var(--line-strong);z-index:60}.mobile-bottom a{display:flex;align-items:center;justify-content:center;min-width:0;font-size:12px;color:var(--silver)}.mobile-bottom a.is-current{background:var(--silver-bright);color:#0D0D0D;font-weight:700}.search-layer{top:0;bottom:0;background:#0A0A0A;overflow:auto}.search-card{width:100%;min-height:100%;margin:0;border:0;border-radius:0;padding:24px 16px 84px;background:#0A0A0A}.search-head{padding-top:calc(6px + env(safe-area-inset-top))}.search-presets{display:grid;grid-template-columns:repeat(2,1fr)}.search-presets a{justify-content:center}.drawer-panel{padding-bottom:calc(8px + env(safe-area-inset-bottom))}.number-row{grid-template-columns:44px 1fr}.number-row .num{font-size:22px}
}
@media (max-width:430px){.wrap{width:min(calc(100% - 32px),var(--max))}.brand-link img{max-width:96px}.app-entry,.drawer-trigger{font-size:13px}.footer-nav{grid-template-columns:1fr 1fr}.cover-copy{padding:18px}.action-row .btn{flex:1 1 calc(50% - 10px)}}