:root{--bg:#f7f8fa;--card:#fff;--text:#1a202c;--muted:#6b7280;--border:#e5e7eb;--primary:#2563eb;--primary-dark:#1d4ed8;--radius:12px;--shadow:0 1px 3px rgba(0,0,0,.06),0 1px 2px rgba(0,0,0,.04);--shadow-lg:0 10px 24px rgba(0,0,0,.12)}*{box-sizing:border-box}body,html{margin:0;padding:0;background:var(--bg);color:var(--text);font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,PingFang SC,Hiragino Sans GB,Microsoft YaHei,sans-serif;line-height:1.6}a{color:inherit;text-decoration:none}.container{max-width:1200px;margin:0 auto;padding:0 20px}.header{position:-webkit-sticky;position:sticky;top:0;z-index:30;background:hsla(0,0%,100%,.9);-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);border-bottom:1px solid var(--border)}.header-inner{display:flex;align-items:center;gap:24px;max-width:1200px;margin:0 auto;padding:12px 20px}.brand{font-weight:700;font-size:18px;letter-spacing:-.3px}.nav{display:flex;gap:16px;margin-left:auto}.nav a{color:var(--muted);font-weight:500}.nav a.active,.nav a:hover{color:var(--primary)}.grid{display:grid;grid-gap:16px;gap:16px;grid-template-columns:repeat(auto-fill,minmax(220px,1fr))}.card{background:var(--card);border:1px solid var(--border);border-radius:var(--radius);box-shadow:var(--shadow);padding:16px;transition:transform .12s ease,box-shadow .12s ease}.card.clickable{cursor:pointer}.card.clickable:hover{transform:translateY(-2px);box-shadow:var(--shadow-lg)}.card h3{margin:0 0 6px;font-size:16px}.card .muted{color:var(--muted);font-size:13px}.btn{display:inline-block;padding:8px 16px;border:none;border-radius:8px;background:var(--primary);color:#fff;font-size:14px;cursor:pointer}.btn:hover{background:var(--primary-dark)}.btn.secondary{background:#fff;color:var(--text);border:1px solid var(--border)}.btn:disabled{opacity:.5;cursor:not-allowed}.search-row{display:flex;gap:8px;margin:16px 0}.search-input{flex:1 1;padding:10px 14px;border:1px solid var(--border);border-radius:8px;font-size:15px}.chips{display:flex;flex-wrap:wrap;gap:8px;margin:16px 0}.chip{padding:6px 14px;border-radius:999px;border:1px solid var(--border);background:#fff;cursor:pointer;font-size:13px;color:var(--muted)}.chip.active{background:var(--primary);border-color:var(--primary);color:#fff}.stats{display:grid;grid-gap:16px;gap:16px;grid-template-columns:repeat(auto-fit,minmax(150px,1fr));margin:24px 0}.stat{background:var(--card);border:1px solid var(--border);border-radius:var(--radius);box-shadow:var(--shadow);padding:16px;text-align:center}.stat .num{font-size:28px;font-weight:700;color:var(--primary)}.stat .label{color:var(--muted);font-size:13px;margin-top:4px}.asset-grid{display:grid;grid-gap:12px;gap:12px;grid-template-columns:repeat(auto-fill,minmax(150px,1fr))}.asset{position:relative;background:#fff;border:1px solid var(--border);border-radius:10px;overflow:hidden;cursor:zoom-in;box-shadow:var(--shadow)}.asset img{width:100%;aspect-ratio:1/1;object-fit:cover;display:block;background:#eef0f3}.asset .meta{padding:8px 10px;font-size:12px;color:var(--muted);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.modal-backdrop{position:fixed;inset:0;background:rgba(0,0,0,.72);z-index:50;display:flex;align-items:center;justify-content:center;padding:20px}.modal{position:relative;max-width:90vw;max-height:90vh}.modal img{max-width:100%;max-height:85vh;border-radius:8px}.modal-close{top:-40px;right:0;border:none;width:36px;height:36px;border-radius:8px}.modal-close,.modal-nav{position:absolute;background:hsla(0,0%,100%,.15);color:#fff;font-size:20px;cursor:pointer}.modal-nav{top:50%;transform:translateY(-50%);border:none;width:44px;height:44px;border-radius:50%}.modal-prev{left:-56px}.modal-next{right:-56px}@media (max-width:640px){.modal-prev{left:4px}.modal-next{right:4px}}.state{text-align:center;padding:48px 16px;color:var(--muted)}.state .title{font-size:16px;margin-bottom:8px;color:var(--text)}.spinner{width:28px;height:28px;border:3px solid var(--border);border-top-color:var(--primary);border-radius:50%;margin:0 auto 12px;animation:spin .8s linear infinite}@keyframes spin{to{transform:rotate(1turn)}}.detail-head{display:flex;flex-wrap:wrap;gap:16px;align-items:baseline;margin:24px 0 8px}.detail-head h1{margin:0;font-size:26px}.badge{display:inline-block;padding:2px 10px;border-radius:999px;background:#eef2ff;color:var(--primary);font-size:12px}.detail-stats{display:grid;grid-gap:12px;gap:12px;grid-template-columns:repeat(auto-fit,minmax(120px,1fr));margin:16px 0}.detail-stat{background:#fff;border:1px solid var(--border);border-radius:10px;padding:12px}.detail-stat .v{font-size:20px;font-weight:700}.detail-stat .l,.footer{font-size:12px;color:var(--muted)}.footer{text-align:center;padding:32px 0 24px}.muted{color:var(--muted);font-size:14px}.internal-toolbar{display:flex;align-items:center;gap:12px;margin:16px 0 20px}.internal-product-label{font-weight:600;font-size:14px}.internal-select{min-width:260px;padding:10px 12px;border:1px solid var(--border);border-radius:8px;background:#fff;font-size:14px}.internal-layout{display:grid;grid-template-columns:minmax(280px,360px) minmax(0,1fr);grid-gap:20px;gap:20px;align-items:start}.internal-sidebar{background:var(--card);border:1px solid var(--border);border-radius:var(--radius);box-shadow:var(--shadow);max-height:min(72vh,900px);overflow:auto;padding:10px}.internal-tree,.internal-tree-children{list-style:none;margin:0;padding:0}.internal-tree-children{margin-left:14px;padding-left:12px;border-left:1px solid var(--border)}.internal-tree-item+.internal-tree-item{margin-top:2px}.internal-node{width:100%;display:flex;flex-direction:column;gap:2px;align-items:flex-start;text-align:left;padding:8px 10px;border:1px solid transparent;border-radius:8px;background:transparent;cursor:pointer;color:var(--text);font:inherit}.internal-node:hover{background:#f3f4f6}.internal-node.active{background:#eef2ff;border-color:#c7d2fe;color:var(--primary-dark)}.internal-node-name{font-size:14px;font-weight:600}.internal-node-meta{color:var(--muted);font-size:12px;overflow-wrap:anywhere}.internal-content{background:var(--card);border:1px solid var(--border);border-radius:var(--radius);box-shadow:var(--shadow);padding:20px}.internal-breadcrumb{display:flex;flex-wrap:wrap;gap:6px;align-items:center;color:var(--muted);font-size:13px;margin-bottom:12px}.internal-breadcrumb-item{display:inline-flex;gap:6px;align-items:center}.internal-breadcrumb button{border:none;background:none;padding:0;color:var(--primary);cursor:pointer;font-size:13px}.internal-breadcrumb button[aria-current=page]{color:var(--text);font-weight:600;cursor:default}.internal-node-summary h2{margin:0 0 4px;font-size:22px}.internal-node-summary p{margin:0 0 8px}.internal-counts{display:flex;flex-wrap:wrap;gap:8px 18px;color:var(--muted);font-size:14px;margin-bottom:10px}@media (max-width:900px){.internal-layout{grid-template-columns:1fr}.internal-sidebar{max-height:44vh}}