.doc-detail-layout{display:flex;gap:32px;align-items:flex-start;padding:24px 0 64px}.doc-detail-aside{width:260px;flex-shrink:0;position:sticky;top:88px;max-height:calc(100vh - 120px);overflow-y:auto;background:var(--surface-1);border:1px solid var(--color-gray-200);border-radius:10px}.doc-detail-aside-head{padding:14px 16px;font-size:14px;font-weight:600;background:var(--color-gray-100);border-bottom:1px solid var(--color-gray-100)}.doc-detail-aside-body{padding:8px}.doc-detail-main{flex:1;min-width:0}.doc-detail-toolbar{display:flex;align-items:flex-start;justify-content:space-between;gap:16px;flex-wrap:wrap;padding-bottom:20px;border-bottom:1px solid var(--color-gray-200);margin-bottom:28px}.doc-detail-toolbar h1{font-size:26px;font-weight:700;line-height:1.35}.doc-detail-meta{display:flex;gap:16px;flex-wrap:wrap;font-size:13px;color:var(--color-gray-400);margin-top:10px}.doc-download-btn{display:inline-flex;align-items:center;gap:8px;padding:10px 20px;border-radius:6px;background:var(--color-primary);color:#fff;font-size:14px;transition:background .2s;white-space:nowrap}.doc-download-btn:hover{background:var(--color-primary-dark)}.doc-empty-tip{padding:40px 0;color:var(--color-gray-400);font-size:14px}@media (max-width:900px){.doc-detail-layout{flex-direction:column}.doc-detail-aside{width:100%;position:static;max-height:none}}