:root{--bg:#f5f8fb;--card:#fff;--line:#dce6ef;--line-strong:#c9d8e4;--text:#142235;--muted:#6b7d90;--blue:#2454d6;--blue-dark:#193faf;--blue-soft:#eaf0ff;--green:#e8f7ec;--green-text:#16713a;--red:#fff0f0;--red-text:#b83232;--shadow:0 16px 40px #14223514;color:var(--text);font-family:Inter,Microsoft YaHei,PingFang SC,Arial,sans-serif}*{box-sizing:border-box}body{background:var(--bg);min-width:1180px;margin:0}button,input,select,textarea{font:inherit}button{cursor:pointer}button:disabled{cursor:not-allowed;opacity:.55}.login-page{background:radial-gradient(circle at 18% 20%,#2454d629,#0000 28%),linear-gradient(135deg,#f7fbff,#eaf1fb);grid-template-columns:minmax(520px,1fr) 560px;align-items:stretch;min-height:100vh;display:grid}.login-hero{align-items:center;padding:80px;display:flex}.login-hero h1{letter-spacing:0;margin:12px 0 20px;font-size:68px;line-height:1.08}.login-hero p{max-width:560px;color:var(--muted);font-size:22px;line-height:1.7}.eyebrow{color:var(--blue);letter-spacing:.08em;text-transform:uppercase;margin:0;font-weight:800}.login-card{background:var(--card);width:440px;box-shadow:var(--shadow);border:1px solid var(--line);border-radius:8px;margin:auto;padding:48px}.login-card h2{margin:0 0 30px;font-size:34px}label{color:#33485e;gap:8px;font-weight:700;display:grid}input,select,textarea{border:1px solid var(--line-strong);width:100%;min-height:44px;color:var(--text);background:#fff;border-radius:8px;outline:none;padding:0 14px}input:focus,select:focus,textarea:focus{border-color:var(--blue);box-shadow:0 0 0 3px #2454d61f}input:disabled,select:disabled{color:#718297;background:#eef3f7;border-style:dashed}.login-card label+label{margin-top:20px}.admin-shell{grid-template-columns:300px 1fr;min-height:100vh;display:grid}.sidebar{border-right:1px solid var(--line);background:#fff;height:100vh;padding:24px 18px;position:sticky;top:0;overflow:hidden auto}.brand{border-bottom:1px solid var(--line);align-items:center;gap:12px;min-width:0;margin-bottom:16px;padding:4px 4px 22px;display:flex}.brand-mark{color:#fff;background:var(--blue);border-radius:8px;flex:0 0 52px;place-items:center;width:52px;height:52px;font-size:22px;font-weight:900;display:grid}.brand-copy{min-width:0}.brand strong{color:var(--text);text-overflow:ellipsis;white-space:nowrap;font-size:20px;line-height:1.2;display:block;overflow:hidden}.brand span{color:var(--muted);text-overflow:ellipsis;white-space:nowrap;margin-top:6px;font-size:14px;line-height:1.35;display:block;overflow:hidden}nav{gap:6px;display:grid}nav button{color:#40556b;text-align:left;background:0 0;border:0;border-radius:8px;align-items:center;gap:11px;width:100%;min-height:44px;padding:0 13px;font-size:16px;font-weight:700;display:flex}nav button svg{stroke-width:2.2px;flex:0 0 18px;width:18px;height:18px}nav button.active{color:var(--blue);background:var(--blue-soft)}.workspace{min-width:0}.topbar{border-bottom:1px solid var(--line);background:#fff;justify-content:space-between;align-items:center;height:74px;padding:0 32px;display:flex}.topbar h1{margin:0;font-size:26px}.content{padding:28px 32px 48px}.panel{background:var(--card);border:1px solid var(--line);border-radius:8px;padding:22px;box-shadow:0 6px 18px #1422350a}.panel-head{justify-content:space-between;align-items:center;gap:16px;margin-bottom:18px;display:flex}.panel-head h2{margin:0;font-size:24px}.actions{gap:10px;display:flex}.toolbar{border:1px solid var(--line);background:#f8fbfd;border-radius:8px;grid-template-columns:minmax(260px,1.1fr) repeat(2,minmax(180px,.6fr));gap:12px;margin-bottom:16px;padding:14px;display:grid}.search{position:relative}.search svg{color:#7b8ca0;position:absolute;top:14px;left:13px}.search input{padding-left:40px}.primary,.secondary,.ghost{border:1px solid #0000;border-radius:8px;justify-content:center;align-items:center;gap:8px;min-height:40px;padding:0 18px;font-weight:800;text-decoration:none;display:inline-flex}.primary{color:#fff;background:var(--blue)}.primary:hover{background:var(--blue-dark)}.wide{width:100%;min-height:54px;margin-top:34px;font-size:20px}.secondary,.ghost{color:#264158;border-color:var(--line-strong);background:#f7fbfd}.ghost{background:#fff}.link-button{color:#264158}table{border-collapse:separate;border-spacing:0;border:1px solid var(--line);border-radius:8px;width:100%;overflow:hidden}th,td{text-align:left;vertical-align:middle;border-bottom:1px solid var(--line);padding:14px 16px}th{color:#66798f;background:#f7f9fc;font-size:14px}tr:last-child td{border-bottom:0}td{color:#233449}.sub{color:var(--muted);margin-top:4px;font-size:13px;display:block}.identity{align-items:center;gap:12px;display:flex}.thumb{object-fit:cover;border:1px solid var(--line);background:#f2f6f9;border-radius:8px;width:58px;height:58px}.thumb.empty{color:#8ba0b4;place-items:center;font-size:13px;display:grid}.badge{color:#526579;background:#eef3f7;border-radius:999px;align-items:center;min-height:28px;padding:0 12px;font-size:13px;font-weight:800;display:inline-flex}.badge.green{color:var(--green-text);background:var(--green)}.badge.red{color:var(--red-text);background:var(--red)}.badge.blue{color:var(--blue);background:var(--blue-soft)}.pager{color:var(--muted);justify-content:space-between;align-items:center;padding:14px 0 0;display:flex}.pager div{gap:10px;display:flex}.dashboard{gap:18px;display:grid}.dashboard-hero{background:linear-gradient(135deg,#fff,#edf3ff);grid-template-columns:repeat(3,minmax(220px,1fr));gap:18px;padding:26px;display:grid}.dashboard-hero div{background:#ffffffc7;border:1px solid #d7e1ff;border-radius:8px;align-content:space-between;min-height:130px;padding:18px;display:grid}.dashboard-hero span,.overview-row span{color:var(--muted);font-weight:800}.dashboard-hero strong{color:var(--blue);font-size:48px;line-height:1}.dashboard-hero em{color:#51667c;font-style:normal}.overview-grid{grid-template-columns:repeat(2,minmax(320px,1fr));gap:18px;display:grid}.overview-panel h2{margin:0 0 16px;font-size:22px}.overview-row{border-top:1px solid var(--line);justify-content:space-between;align-items:center;min-height:52px;display:flex}.overview-row strong{color:var(--text);font-size:20px}.split{grid-template-columns:280px 1fr;gap:18px;display:grid}.left-list{align-content:start;gap:10px;display:grid}.left-list button{border:1px solid var(--line);text-align:left;min-height:76px;color:var(--text);background:#fff;border-radius:8px;padding:14px;font-weight:900}.left-list button.selected{border-color:var(--blue);background:var(--blue-soft)}.left-list span{color:var(--muted);margin-top:6px;font-weight:700;display:block}.recommend-groups{gap:18px;display:grid}.recommend-group{border:1px solid var(--line);background:#fff;border-radius:8px;overflow:hidden}.recommend-group header{border-bottom:1px solid var(--line);background:#f8fbff;justify-content:space-between;align-items:center;gap:16px;padding:18px;display:flex}.recommend-group header strong{font-size:20px;display:block}.recommend-group header span{color:var(--muted);margin-top:4px;font-weight:800;display:block}.slot-grid{grid-template-columns:repeat(2,minmax(260px,1fr));gap:14px;padding:18px;display:grid}.slot-card{border:1px solid var(--line);background:#fff;border-radius:8px;grid-template-columns:74px 1fr auto;align-items:center;gap:14px;min-height:112px;padding:14px;display:grid}.slot-card.horizontal{background:var(--blue-soft);grid-column:1/-1}.slot-card strong,.slot-card span,.slot-card p{display:block}.slot-card span,.slot-card p{color:var(--muted);margin:4px 0 0;font-weight:800}.slot-empty{min-height:96px;color:var(--muted);border:1px dashed var(--line-strong);background:#f8fbff;border-radius:8px;grid-column:1/-1;place-items:center;font-weight:800;display:grid}.modal-mask{z-index:20;background:#0f1e2d85;place-items:center;padding:34px;display:grid;position:fixed;inset:0}.modal{width:min(980px,96vw);max-height:90vh;box-shadow:var(--shadow);background:#fff;border-radius:8px;padding:26px;overflow:auto}.modal header,.modal footer{justify-content:space-between;align-items:center;gap:16px;display:flex}.modal h2{margin:0;font-size:26px}.modal footer{justify-content:flex-end;margin-top:22px}.form-grid{grid-template-columns:repeat(2,minmax(240px,1fr));gap:18px;margin-top:22px;display:grid}.upload-field{color:#33485e;gap:8px;font-weight:700;display:grid}.upload-field small{color:var(--muted);font-size:13px;font-weight:700;line-height:1.45}.upload-label{color:#33485e;font-weight:800}.upload-box{border:1px dashed var(--line-strong);cursor:pointer;border-radius:8px;flex-direction:row;align-items:center;gap:16px;min-height:118px;padding:14px;display:flex}.upload-box span{color:var(--blue);align-items:center;gap:6px;font-weight:900;display:inline-flex}.upload-box em{color:var(--red-text);font-size:13px;font-style:normal;font-weight:800}.upload-box input{display:none}.audio-upload{align-items:stretch}.audio-state{border:1px solid var(--line);min-width:260px;color:var(--muted);background:#f8fbff;border-radius:8px;flex:1;align-content:center;gap:8px;padding:12px 14px;display:grid}.audio-state.ready{background:var(--blue-soft);color:var(--blue);border-color:#c7d8ff}.audio-state strong{font-size:15px}.audio-state audio{width:100%;max-width:420px;height:32px}.form-error,.success,.state{border-radius:8px;margin:12px 0;padding:12px 14px;font-weight:700}.form-error{color:var(--red-text);background:var(--red)}.success{color:var(--green-text);background:var(--green)}.state{color:var(--muted);background:#f4f7fa}.empty-state{min-height:320px;color:var(--muted);text-align:center;align-content:center;place-items:center;gap:12px;display:grid}.empty-state h2{color:var(--text);margin:0}.empty-state p{max-width:620px;margin:0;line-height:1.7}.admin-card{max-width:620px}@media (width<=1280px){body{min-width:1040px}.admin-shell{grid-template-columns:260px 1fr}.brand-mark{flex-basis:46px;width:46px;height:46px}.brand strong{font-size:18px}nav button{font-size:15px}.toolbar{grid-template-columns:1fr 180px 180px}th,td{padding:12px}}