:root{--bg:#0D0D0D;--deep:#070707;--panel:#171717;--panel2:#222222;--title:#F2F2F2;--text:#C8C8C8;--muted:#9A9A9A;--soft:#6E6E6E;--silver:#C8C8C8;--bright:#E8E8E8;--ink:#1A1A1A;--mist:#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;overflow-x:hidden}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.overlay-open{overflow:hidden}a{color:inherit;text-decoration:none}button{font:inherit}.shell{width:min(var(--max),calc(100% - 32px));margin:0 auto}.skip-link{position:fixed;left:16px;top:-80px;z-index:500;background:var(--bright);color:var(--bg);padding:8px 12px;border-radius:8px}.skip-link:focus{top:8px}.site-header{position:fixed;z-index:100;left:0;right:0;top:0;background:var(--deep)}.ink-line{height:22px;background:var(--deep);border-bottom:1px solid var(--line);font-size:12px}.ink-inner{height:22px;display:flex;align-items:center;justify-content:space-between}.text-button,.drawer-trigger,.search-head button{border:0;background:transparent;color:var(--bright);cursor:pointer;min-height:22px}.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:20px}.brand-link{justify-self:start;display:flex;align-items:center;min-height:44px;font-size:16px;font-weight:700;color:var(--title)}.brand-link img,.footer-logo-row img,.drawer-brand img{height:28px;width:auto;max-width:160px;object-fit:contain}.drawer-trigger{justify-self:center;min-width:88px;min-height:44px;border:1px solid var(--line-strong);border-radius:10px;background:var(--panel);padding:0 18px}.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-size:14px;font-weight:700}.case-tabs{height:40px;background:#111;border-bottom:1px solid var(--line)}.case-tabs-inner{height:40px;display:flex;justify-content:center;align-items:center;gap:8px}.case-tabs a{display:flex;align-items:center;justify-content:center;height:30px;padding:0 24px;border-radius:8px;color:var(--silver);font-size:13px}.case-tabs a.is-active{background:var(--bright);color:var(--bg)}.site-main{padding-top:122px;padding-bottom:28px;min-height:70vh}.page{padding:42px 0}.page-head{margin-bottom:26px}.eyebrow{font-size:12px;letter-spacing:.14em;color:var(--muted);text-transform:uppercase}.page-head h1,.hero-copy h1{font-size:24px;line-height:1.3;margin:8px 0 12px;color:var(--title)}h2{font-size:20px;line-height:1.4;color:var(--title);margin:0 0 12px}h3{font-size:16px;line-height:1.45;color:var(--title);margin:0 0 8px}p{margin:0 0 14px}.lead{max-width:780px;color:var(--silver)}.image-slot{width:100%;height:200px;border:1px solid var(--line);background:var(--ink);border-radius:var(--radius);display:flex;align-items:center;justify-content:center;overflow:hidden}.image-slot.banner{height:260px}.image-slot.tile{height:180px}.image-slot.app-visual{height:340px}.image-slot img{display:block;width:100%;height:100%;object-fit:contain;object-position:center}.hero-stack{display:grid;gap:20px}.hero-copy{background:var(--panel);border:1px solid var(--line);border-radius:var(--radius);padding:24px;box-shadow:var(--shadow)}.actions{display:flex;flex-wrap:wrap;gap:10px;margin-top:18px}.btn{display:inline-flex;align-items:center;justify-content:center;min-height:42px;padding:0 18px;border-radius:10px;font-size:14px;font-weight:700;border:1px solid transparent;white-space:nowrap}.btn-primary{background:linear-gradient(135deg,#E8E8E8 0%,#C8C8C8 55%,#8A8A8A 100%);color:#0D0D0D}.btn-secondary{background:#101010;border-color:var(--line-strong);color:var(--bright)}a:hover,.btn:hover{filter:brightness(1.08)}a:focus-visible,button:focus-visible{outline:2px solid var(--bright);outline-offset:3px}.grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}.grid-2{display:grid;grid-template-columns:repeat(2,1fr);gap:18px}.section{margin-top:34px}.card{background:var(--panel);border:1px solid var(--line);border-radius:var(--radius);padding:20px}.card p:last-child{margin-bottom:0}.feature-card{display:grid;gap:14px}.number-list{display:grid;grid-template-columns:repeat(4,1fr);gap:12px;margin-top:16px}.number-item{background:var(--panel2);border:1px solid var(--line);border-radius:10px;padding:16px}.number-item b,.big-index{display:block;font-size:24px;color:var(--bright);line-height:1;margin-bottom:8px}.shelf{display:grid;grid-template-columns:repeat(2,1fr);gap:12px}.shelf-item{display:grid;grid-template-columns:58px 1fr;gap:14px;background:var(--panel);border:1px solid var(--line);border-radius:10px;padding:16px}.shelf-mark{width:58px;height:58px;border:1px solid var(--line-strong);border-radius:8px;display:flex;align-items:center;justify-content:center;color:var(--bright);font-weight:700}.timeline{position:relative;display:grid;gap:14px;margin-left:9px}.timeline:before{content:"";position:absolute;left:8px;top:6px;bottom:6px;width:1px;background:var(--line-strong)}.timeline-item{position:relative;margin-left:26px;background:var(--panel);border:1px solid var(--line);border-radius:10px;padding:16px}.timeline-item:before{content:"";position:absolute;left:-23px;top:22px;width:9px;height:9px;border-radius:50%;background:var(--bright);box-shadow:0 0 0 4px var(--bg)}.status{display:inline-flex;padding:3px 8px;border-radius:999px;background:var(--panel2);border:1px solid var(--line);color:var(--bright);font-size:12px;margin-bottom:8px}.memo-list,.article-list,.policy-list{display:grid;gap:12px}.memo-item,.article-item,.policy-item{background:var(--panel);border:1px solid var(--line);border-radius:10px;padding:18px}.memo-item header,.article-item header{display:flex;align-items:center;gap:12px;margin-bottom:8px}.tag{display:inline-flex;align-items:center;min-height:28px;padding:0 10px;border-radius:999px;background:#202020;color:var(--silver);font-size:12px;border:1px solid var(--line)}.article-body{max-width:860px}.article-body p{margin-bottom:18px}.quote-note{border-left:3px solid var(--mist);background:#161212;padding:14px 16px;border-radius:0 10px 10px 0;color:var(--silver)}.faq-list{display:grid;gap:12px}.faq-item{background:var(--panel);border:1px solid var(--line);border-radius:10px;padding:18px}.faq-item h2,.faq-item h3{margin-bottom:8px}.app-layout{display:grid;grid-template-columns:minmax(0,1fr) minmax(260px,360px);gap:24px;align-items:start}.checklist{display:grid;gap:10px;margin:14px 0}.check-item{background:var(--panel2);border-radius:10px;padding:12px 14px}.notice{background:#181313;border:1px solid rgba(184,90,90,.35);border-radius:10px;padding:16px;color:var(--silver)}.material-drawer{position:fixed;z-index:220;left:0;top:0;bottom:0;width:min(400px,86vw);background:var(--deep);border-right:1px solid var(--line-strong);box-shadow:var(--shadow);transform:translateX(-102%);transition:transform .22s ease;visibility:hidden;pointer-events:none}.material-drawer.is-open{transform:translateX(0);visibility:visible;pointer-events:auto}.drawer-head{height:70px;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}.drawer-head button{min-height:44px;padding:0 12px;border-radius:8px;border:1px solid var(--line);background:var(--panel);color:var(--bright)}.drawer-scroll{height:calc(100vh - 70px);overflow-y:auto;padding:18px}.drawer-scroll section{margin-bottom:22px}.drawer-scroll section h2{font-size:13px;color:var(--muted);margin-bottom:8px}.drawer-scroll a{display:block;padding:11px 12px;border-radius:10px;border:1px solid transparent}.drawer-scroll a:hover{background:var(--panel);border-color:var(--line)}.drawer-scroll b{display:block;color:var(--bright);font-size:14px}.drawer-scroll span{display:block;color:var(--muted);font-size:12px;margin-top:2px}.search-layer{position:fixed;z-index:210;left:0;right:0;top:82px;display:flex;justify-content:center;visibility:hidden;pointer-events:none;opacity:0;transition:opacity .18s ease}.search-layer.is-open{visibility:visible;pointer-events:auto;opacity:1}.search-card{width:min(720px,calc(100% - 32px));background:var(--ink);border:1px solid var(--line-strong);box-shadow:var(--shadow);border-radius:0 0 14px 14px;padding:20px}.search-head{display:flex;justify-content:space-between;align-items:center}.search-head button{min-height:44px}.search-presets{display:flex;flex-wrap:wrap;gap:10px}.search-presets a{display:inline-flex;align-items:center;min-height:40px;padding:0 14px;border:1px solid var(--line);border-radius:10px;background:var(--panel);color:var(--bright)}.site-mask{position:fixed;z-index:200;inset:0;background:rgba(0,0,0,.66);opacity:0;visibility:hidden;pointer-events:none;transition:opacity .18s ease}.site-mask.is-visible{opacity:1;visibility:visible;pointer-events:auto}.site-footer{background:var(--deep);border-top:1px solid var(--line);font-size:13px;color:var(--silver);padding:34px 0 20px}.footer-grid{display:grid;grid-template-columns:2fr repeat(4,1fr);gap:22px}.footer-grid h2{font-size:13px;color:var(--bright);margin-bottom:8px}.footer-grid a{display:block;color:var(--muted);padding:3px 0}.footer-logo-row{display:flex;gap:12px;align-items:center;margin-bottom:12px}.footer-logo-row strong,.footer-logo-row span{display:block}.footer-logo-row span{font-size:11px;color:var(--muted)}.footer-brand p{max-width:420px;color:var(--muted)}.footer-bottom{border-top:1px solid var(--line);margin-top:22px;padding-top:16px;color:var(--soft)}.mobile-bottom{display:none}.prose-grid{display:grid;grid-template-columns:1fr 1fr;gap:18px}.prose-block{background:var(--panel);border:1px solid var(--line);border-radius:var(--radius);padding:20px}.stateless-table{width:100%;border-collapse:collapse;background:var(--panel);border-radius:10px;overflow:hidden}.stateless-table th,.stateless-table td{padding:13px 14px;text-align:left;border-bottom:1px solid var(--line);vertical-align:top}.stateless-table th{color:var(--bright);font-weight:700}.stateless-table td{color:var(--text)}@media(max-width:820px){.case-tabs{display:none}.site-main{padding-top:82px;padding-bottom:68px}.material-inner{grid-template-columns:1fr auto 1fr;gap:8px}.brand-link img{max-width:110px}.drawer-trigger{min-width:72px;padding:0 12px}.app-link{padding:0 10px}.grid-3,.grid-2,.shelf,.prose-grid{grid-template-columns:1fr}.number-list{grid-template-columns:1fr 1fr}.app-layout{grid-template-columns:1fr}.image-slot.app-visual{height:320px}.footer-grid{grid-template-columns:1fr 1fr}.footer-brand{grid-column:1/-1}.search-layer{top:0;bottom:0;background:var(--deep);align-items:flex-start}.search-card{width:100%;height:100%;border:0;border-radius:0;padding:calc(24px + env(safe-area-inset-top)) 16px 24px}.mobile-bottom{position:fixed;z-index:150;left:0;right:0;bottom:0;display:grid;grid-template-columns:repeat(5,1fr);height:calc(48px + env(safe-area-inset-bottom));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-width:0;font-size:12px;color:var(--silver)}.mobile-bottom a.is-active{background:var(--bright);color:var(--bg)}.page{padding:28px 0}.hero-copy{padding:20px}.image-slot.banner{height:260px}}@media(max-width:520px){.shell{width:calc(100% - 32px)}.ink-inner{font-size:11px}.ink-inner span{white-space:nowrap;overflow:hidden;text-overflow:ellipsis;padding-right:8px}.brand-link{font-size:15px}.brand-link img{max-width:92px}.drawer-trigger{min-width:62px}.app-link{font-size:12px}.page-head h1,.hero-copy h1{font-size:24px}.grid-3{grid-template-columns:1fr}.number-list{grid-template-columns:1fr}.footer-grid{grid-template-columns:1fr}.footer-brand{grid-column:auto}.image-slot.banner{height:220px}.image-slot.tile{height:180px}.image-slot{height:200px}.image-slot.app-visual{height:340px}}/* Extend compact fixed-bar controls to a 44px pointer target without changing the specified bar heights. */
.text-button,.case-tabs a{position:relative}
.text-button::after{content:"";position:absolute;inset:-11px -10px}
.case-tabs a::after{content:"";position:absolute;inset:-7px 0}