:root{--bg:#f4f5f7;--surface:#fff;--surface-2:#f7f8fa;--border:#e6e8ec;--text:#16181d;--muted:#6b7280;--primary:#2f6bff;--primary-hover:#2457d6;--green:#16a34a;--green-bg:#e7f6ec;--red:#dc2626;--amber:#b45309;--purple:#7c3aed;--shadow:0 1px 2px rgba(16,24,40,.06),0 1px 3px rgba(16,24,40,.08)}*{box-sizing:border-box}body,html{margin:0}body{font-family:system-ui,-apple-system,Segoe UI,sans-serif;background:var(--bg);color:var(--text);-webkit-font-smoothing:antialiased}a{color:inherit;text-decoration:none}.shell{display:flex;min-height:100vh}.rail{width:68px;background:var(--surface);border-right:1px solid var(--border);flex-direction:column;padding:14px 0;gap:6px;position:-webkit-sticky;position:sticky;top:0;height:100vh}.rail,.rail .logo{display:flex;align-items:center}.rail .logo{width:38px;height:38px;border-radius:10px;background:var(--primary);color:#fff;justify-content:center;font-weight:800;font-size:18px;margin-bottom:10px}.rail-item{width:44px;height:44px;border-radius:12px;display:flex;align-items:center;justify-content:center;color:var(--muted);font-size:20px;position:relative}.rail-item:hover{background:var(--surface-2);color:var(--text)}.rail-item.active{background:#eaf0ff;color:var(--primary)}.rail-item .lbl{position:absolute;left:54px;background:#16181d;color:#fff;font-size:12px;padding:4px 8px;border-radius:6px;white-space:nowrap;opacity:0;pointer-events:none;transition:opacity .12s;z-index:20}.rail-item:hover .lbl{opacity:1}.main{flex:1 1;min-width:0}.topbar{height:60px;border-bottom:1px solid var(--border);background:var(--surface);display:flex;align-items:center;padding:0 28px;gap:12px;position:-webkit-sticky;position:sticky;top:0;z-index:10}.topbar h2{font-size:17px;margin:0}.content{max-width:960px;margin:0 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7px;border-radius:6px;letter-spacing:.3px}.badge.pro{background:#eaf0ff;color:var(--primary)}.badge.pop{background:#fff1e6;color:var(--amber)}.badge.new{background:#f1e9ff;color:var(--purple)}.tag{font-size:12px;padding:3px 10px;border-radius:999px;border:1px solid var(--border)}.tag.on{color:var(--green);background:var(--green-bg);border-color:#bfe6cb}.tag.off{color:var(--muted)}.kw{display:inline-block;background:var(--surface-2);border:1px solid var(--border);border-radius:7px;padding:3px 9px;font-size:13px;margin:2px 5px 2px 0}.qgrid{display:grid;grid-template-columns:repeat(auto-fill,minmax(240px,1fr));grid-gap:14px;gap:14px}.qcard{background:var(--surface);border:1px solid var(--border);border-radius:14px;padding:18px;box-shadow:var(--shadow);cursor:pointer;transition:border-color .12s,transform .12s}.qcard:hover{border-color:var(--primary);transform:translateY(-1px)}.qcard .t{font-weight:600;font-size:15px;margin-bottom:24px}.qcard 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10px;color:var(--primary);cursor:pointer;background:var(--surface)}.grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(84px,1fr));grid-gap:8px;gap:8px;margin-top:8px}.post{position:relative;border:2px solid transparent;border-radius:10px;overflow:hidden;cursor:pointer;aspect-ratio:1;background:var(--surface-2)}.post img{width:100%;height:100%;object-fit:cover;display:block}.post.sel{border-color:var(--primary)}.post .check{position:absolute;top:4px;right:4px;background:var(--primary);color:#fff;border-radius:999px;width:20px;height:20px;font-size:13px;display:flex;align-items:center;justify-content:center}.table{width:100%;background:var(--surface);border:1px solid var(--border);border-radius:14px;overflow:hidden;box-shadow:var(--shadow)}.thead,.trow{display:grid;grid-template-columns:52px 1fr 130px 120px 110px;align-items:center;padding:12px 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