:root{--bg:#F7F4EE;--deep:#EFE8DC;--card:#FFFCF7;--dark:#2A2622;--title:#1C1916;--text:#2C2926;--muted:#5C564E;--quiet:#7A746C;--frost:#F7F4EE;--gold:#C4A15A;--gold-deep:#8C6B2E;--sand:#E8D9B8;--border:rgba(28,25,22,.14);--shadow:0 14px 36px rgba(28,25,22,.10)}
*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:var(--bg);color:var(--text);font:16px/1.78 system-ui,-apple-system,"Segoe UI","Microsoft YaHei",sans-serif;overflow-x:hidden}body.locked{overflow:hidden}a{color:inherit;text-decoration:none}button,input{font:inherit}button{cursor:pointer}.site-header{position:fixed;z-index:70;top:0;left:0;right:0}.snow-strip{height:11px;background:var(--dark);color:var(--sand);font-size:8px;line-height:11px}.top-inner,.stage-inner{width:min(1140px,calc(100% - 36px));height:100%;margin:0 auto;display:flex;align-items:center;justify-content:space-between}.text-button{border:0;background:transparent;color:inherit;font-size:8px;padding:0 2px}.tiger-stage{height:54px;background:rgba(247,244,238,.98);border-bottom:1px solid rgba(196,161,90,.45);box-shadow:0 6px 18px rgba(28,25,22,.05)}.brand-left{display:flex;align-items:center;min-width:130px;color:var(--title);font-weight:900}.brand-logo{height:28px;max-width:170px;object-fit:contain;object-position:left center}.brand-text{font-size:20px;color:var(--title);font-weight:900}.stage-actions{display:flex;gap:8px;align-items:center}.stage-button{height:44px;display:inline-flex;align-items:center;justify-content:center;border:1px solid rgba(196,161,90,.65);border-radius:9px;background:#fff;color:var(--dark);padding:0 15px;font-weight:850}.stage-button:hover,.stage-button:focus-visible{outline:2px solid rgba(196,161,90,.35);background:var(--sand)}.app-button{background:var(--dark);color:var(--gold);border-color:var(--dark)}.tiger-rail{position:fixed;z-index:55;top:65px;right:0;bottom:0;width:72px;background:rgba(247,244,238,.98);border-left:1px solid var(--border);display:flex;flex-direction:column;align-items:stretch;padding:18px 8px;gap:8px}.tiger-rail a{min-height:54px;display:flex;align-items:center;justify-content:center;text-align:center;border:1px solid transparent;border-radius:10px;color:var(--muted);font-size:12px;font-weight:850;padding:6px}.tiger-rail a:hover,.tiger-rail a:focus-visible{border-color:rgba(196,161,90,.55);background:var(--deep)}.tiger-rail a.is-current{background:var(--dark);color:var(--gold);border-color:var(--dark)}.site-main{margin-right:72px;padding-top:86px;min-height:100vh}.shell{width:min(1140px,calc(100% - 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@media(max-width:560px){.top-inner{padding:0 16px}.shell{width:calc(100% - 32px)}.hero-stack{padding-top:18px}.cover-slot{height:220px}.four-grid,.guide-grid,.status-grid{grid-template-columns:1fr}.footer-groups{grid-template-columns:1fr 1fr;gap:16px}.search-presets{grid-template-columns:repeat(2,1fr)}.section{margin:32px 0}.section-head{align-items:flex-start;flex-direction:column;gap:10px}}