:root{--bg:#0F0E0A;--deep:#090807;--panel:#17150F;--panel2:#1F1B12;--title:#F6E7B8;--text:#E4D4A2;--muted:#B39A5E;--soft:#8C7744;--gold:#E0B12A;--bright:#F0C84A;--darkgold:#A37A14;--sand:#F3E6C4;--line:rgba(224,177,42,.18);--line2:rgba(224,177,42,.46);--shadow:0 12px 28px rgba(0,0,0,.35);--max:1120px}
*{box-sizing:border-box}html{scroll-behavior:smooth;overflow-x:hidden}body{margin:0;background:var(--bg);color:var(--text);font:15px/1.7 -apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Microsoft YaHei",sans-serif;overflow-x:hidden}body.locked{overflow:hidden}a{color:inherit;text-decoration:none}button,input{font:inherit}.skip-link{position:fixed;left:16px;top:-80px;z-index:100;background:var(--bright);color:#1A1406;padding:10px 14px;border-radius:8px}.skip-link:focus{top:8px}.site-header{position:fixed;inset:0 0 auto;z-index:50}.goldline{height:22px;background:var(--deep);color:var(--bright);border-bottom:1px solid var(--line);font-size:12px}.top-inner,.roll-inner{max-width:var(--max);height:100%;margin:auto;display:flex;align-items:center;justify-content:space-between;padding:0 16px}.plain-action,.drawer-toggle,.panel-close{min-height:44px;border:0;background:transparent;color:var(--sand);cursor:pointer}.goldline .plain-action{min-height:22px;height:22px;color:var(--bright);font-size:12px;padding:0 4px}.rollbar{height:60px;background:var(--deep);border-bottom:1px solid var(--line2)}.brand-lockup,.app-link,.drawer-toggle{min-width:96px;min-height:44px;display:flex;align-items:center}.brand-lockup{justify-content:flex-start}.drawer-toggle{justify-content:center;font-weight:700}.app-link{justify-content:flex-end;color:var(--bright);font-size:14px}.brand-logo,.drawer-logo,.footer-logo{height:28px;max-width:150px;object-fit:contain;object-position:center}.brand-fallback{font-size:16px;font-weight:800;color:var(--sand);letter-spacing:.06em}.quick-tabs{height:40px;background:var(--darkgold);border-bottom:1px solid var(--line2);display:flex;align-items:center;justify-content:center;gap:10px;font-size:13px}.quick-tabs a{min-height:32px;padding:5px 18px;border-radius:8px;display:flex;align-items:center;color:var(--sand)}.quick-tabs 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18px;border-radius:9px;display:inline-flex;align-items:center;justify-content:center;font-size:14px;font-weight:800;white-space:nowrap}.btn-primary{background:linear-gradient(135deg,#F0C84A 0%,#E0B12A 55%,#A37A14 100%);color:#1A1406}.btn-secondary{background:var(--deep);border:1px solid var(--line2);color:var(--sand)}.btn:hover,.quick-tabs a:hover,.drawer a:hover,.footer-grid a:hover,.mobile-bottom a:hover,.search-presets a:hover{filter:brightness(1.08)}a:focus-visible,button:focus-visible{outline:2px solid var(--bright);outline-offset:3px}.section{background:var(--panel);border:1px solid var(--line);border-radius:14px;padding:20px;box-shadow:var(--shadow)}.section h2{margin:0 0 10px;color:var(--title);font-size:20px;line-height:1.35}.section h3{margin:0 0 8px;color:var(--sand);font-size:16px}.card-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:16px}.card{background:var(--panel2);border:1px solid var(--line);border-radius:12px;padding:16px}.card .media-slot{margin-bottom:14px}.card p{margin:0}.number-list,.shelf-list,.focus-list,.method-list{display:grid;gap:12px}.number-row,.shelf-row,.focus-row,.method-row{display:grid;grid-template-columns:56px 1fr;gap:14px;padding:14px;border:1px solid var(--line);background:var(--panel2);border-radius:10px}.num{color:var(--bright);font-size:20px;font-weight:800}.timeline{border-left:1px solid var(--line2);margin-left:12px;padding-left:22px;display:grid;gap:16px}.timeline-item{position:relative;background:var(--panel2);border:1px solid var(--line);border-radius:10px;padding:14px}.timeline-item:before{content:"";position:absolute;left:-29px;top:20px;width:11px;height:11px;border-radius:50%;background:var(--gold);box-shadow:0 0 0 4px var(--bg)}.status{display:inline-block;font-size:12px;padding:2px 8px;border:1px solid var(--line2);border-radius:999px;color:var(--sand);margin-bottom:6px}.two-col{display:grid;grid-template-columns:1.05fr .95fr;gap:18px;align-items:start}.article-body{display:grid;gap:18px}.article-body section{background:var(--panel);border:1px solid var(--line);border-radius:14px;padding:20px}.article-body h2{font-size:20px;color:var(--title);margin:0 0 8px}.article-body h3{font-size:16px;color:var(--sand);margin:12px 0 5px}.article-body ul{margin:8px 0;padding-left:20px}.article-body li{margin:5px 0}.notice{padding:14px 16px;border-left:3px solid var(--gold);background:var(--panel2);color:var(--sand);border-radius:0 10px 10px 0}.faq-list{display:grid;gap:12px}.faq-item{background:var(--panel);border:1px solid var(--line);border-radius:12px;padding:18px}.faq-item h2{font-size:16px;margin:0 0 8px;color:var(--title)}.site-footer{background:var(--deep);border-top:1px solid var(--line2);padding:28px 0 78px;font-size:13px;color:var(--text)}.footer-inner{max-width:var(--max);margin:auto;padding:0 16px}.footer-brand{display:flex;align-items:center;gap:12px;margin-bottom:20px}.footer-brand div{display:flex;flex-direction:column}.footer-brand strong{font-size:16px;color:var(--sand)}.footer-brand span{color:var(--muted)}.footer-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:18px;border-top:1px solid var(--line);border-bottom:1px solid var(--line);padding:18px 0}.footer-grid h2{font-size:13px;color:var(--bright);margin:0 0 8px}.footer-grid a{display:block;margin:6px 0;color:var(--text)}.footer-note{max-width:880px;color:var(--muted);margin:18px 0 8px}.copyright{color:var(--soft);margin:0}.drawer{position:fixed;top:0;bottom:0;left:0;width:min(400px,86vw);background:var(--deep);z-index:80;transform:translateX(-104%);visibility:hidden;pointer-events:none;transition:.25s ease;box-shadow:var(--shadow);border-right:1px solid var(--line2)}.drawer.is-open{transform:translateX(0);visibility:visible;pointer-events:auto}.drawer-head{height:68px;display:flex;align-items:center;justify-content:space-between;padding:0 16px;border-bottom:1px solid var(--line)}.drawer-brand{display:flex;align-items:center;gap:10px;color:var(--sand)}.drawer-scroll{height:calc(100% - 68px);overflow:auto;padding:14px 16px 30px}.drawer-group{margin-bottom:18px}.drawer-group h2{font-size:12px;color:var(--bright);margin:0 0 8px}.drawer-group a{display:block;padding:10px 12px;border:1px solid transparent;border-radius:10px}.drawer-group a:hover{border-color:var(--line)}.drawer-group strong{display:block;font-size:14px;color:var(--sand)}.drawer-group span{display:block;font-size:12px;color:var(--muted);margin-top:2px}.overlay{position:fixed;inset:0;background:rgba(0,0,0,.62);z-index:70;opacity:0;visibility:hidden;pointer-events:none;transition:.2s}.overlay.is-open{opacity:1;visibility:visible;pointer-events:auto}.search-panel{position:fixed;z-index:65;left:0;right:0;top:82px;visibility:hidden;pointer-events:none;opacity:0;transform:translateY(-10px);transition:.2s}.search-panel.is-open{visibility:visible;pointer-events:auto;opacity:1;transform:translateY(0)}.search-card{max-width:760px;margin:0 auto;background:var(--deep);border:1px solid var(--line2);border-radius:0 0 14px 14px;padding:18px;box-shadow:var(--shadow)}.panel-head{display:flex;justify-content:space-between;gap:16px;align-items:start}.panel-head strong{color:var(--sand)}.panel-head p{margin:3px 0 0;color:var(--muted);font-size:13px}.search-presets{display:flex;flex-wrap:wrap;gap:10px;margin-top:15px}.search-presets a{min-height:44px;display:flex;align-items:center;padding:8px 14px;border-radius:9px;border:1px solid var(--line);background:var(--panel);color:var(--sand)}.mobile-bottom{display:none}.index-cover-copy{padding:18px 2px 0}.index-cover-copy h1{margin:6px 0;color:var(--title);font-size:24px}.index-cover-copy .brand-en{color:var(--bright);font-size:12px;letter-spacing:.14em}.app-feature{display:grid;grid-template-columns:380px 1fr;gap:20px;align-items:center}.icon-inline{display:flex;align-items:center;gap:12px;margin-bottom:10px}.icon-inline img{width:48px;height:48px;object-fit:contain}.legal-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:14px}.qa-mini{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:12px}.qa-mini article{padding:14px;background:var(--panel2);border:1px solid var(--line);border-radius:10px}.qa-mini h3{margin:0 0 6px;color:var(--sand);font-size:16px}.qa-mini p{margin:0}.meta-line{color:var(--muted);font-size:13px}.split-list{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:14px}.split-list .card{height:100%}
@media(max-width:860px){.card-grid{grid-template-columns:1fr}.two-col,.app-feature,.legal-grid,.split-list{grid-template-columns:1fr}.slot-app{max-width:none}.footer-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.number-row,.shelf-row,.focus-row,.method-row{grid-template-columns:48px 1fr}}
@media(max-width:719px){.quick-tabs{display:none}.site-main{padding-top:98px;padding-bottom:58px}.top-inner,.roll-inner,.page-shell,.footer-inner{padding-left:16px;padding-right:16px}.roll-inner{display:grid;grid-template-columns:1fr 1fr 1fr}.brand-lockup,.app-link,.drawer-toggle{min-width:0}.drawer-toggle{justify-content:center}.app-link{justify-content:flex-end}.search-panel{top:0;bottom:0;background:var(--deep);z-index:90;transform:none}.search-panel.is-open{opacity:1}.search-card{height:100%;max-width:none;border:0;border-radius:0;padding:calc(18px + env(safe-area-inset-top)) 16px 24px}.search-presets{display:grid;grid-template-columns:1fr 1fr}.mobile-bottom{position:fixed;z-index:60;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:var(--deep);border-top:1px solid var(--line2)}.mobile-bottom a{display:flex;align-items:center;justify-content:center;min-height:48px;font-size:12px;color:var(--text)}.mobile-bottom a.is-current{background:var(--gold);color:#1A1406;font-weight:800}.site-footer{padding-bottom:82px}.hero h1,.index-cover-copy h1{font-size:24px}.section{padding:16px}.qa-mini{grid-template-columns:1fr}.footer-grid{grid-template-columns:1fr 1fr}.slot-banner{height:260px}.slot-card{height:180px}.slot-wide{height:200px}.number-row,.shelf-row,.focus-row,.method-row{grid-template-columns:42px 1fr;gap:10px;padding:12px}}
@media(max-width:420px){.brand-lockup,.app-link{font-size:13px}.footer-grid{grid-template-columns:1fr}.search-presets{grid-template-columns:1fr}.number-row,.shelf-row,.focus-row,.method-row{grid-template-columns:1fr}.num{font-size:18px}.slot-app{height:320px}}