:root{
  --pink:#FB7299; --blue:#00AEEC; --bg:#f5f6f8; --card:#fff;
  --text:#1f2329; --muted:#8a9099; --border:#eceef1;
}
*{box-sizing:border-box;margin:0;padding:0}
body{font-family:"PingFang SC","Microsoft YaHei",sans-serif;background:var(--bg);color:var(--text)}

/* 公开站 · 顶栏 */
.topbar{display:flex;align-items:center;justify-content:space-between;gap:16px;padding:16px 24px;background:#fff;border-bottom:1px solid var(--border);position:sticky;top:0;z-index:10}
.brand{display:flex;align-items:center;gap:12px}
.logo{width:42px;height:42px;border-radius:12px;background:linear-gradient(135deg,var(--pink),var(--blue));color:#fff;display:flex;align-items:center;justify-content:center;font-size:18px}
h1{font-size:18px;font-weight:700}
.sub{font-size:12px;color:var(--muted);margin-top:2px}
.search input{width:260px;max-width:50vw;padding:10px 14px;border:1px solid var(--border);border-radius:22px;font-size:14px;outline:none;transition:.2s}
.search input:focus{border-color:var(--blue);box-shadow:0 0 0 3px rgba(0,174,236,.12)}
.admin-link{font-size:13px;color:var(--blue);text-decoration:none;padding:8px 12px;border:1px solid var(--blue);border-radius:20px}
.admin-link:hover{background:rgba(0,174,236,.08)}

main{padding:24px;max-width:1100px;margin:0 auto}
.grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(220px,1fr));gap:18px}
.card{background:var(--card);border:1px solid var(--border);border-radius:16px;overflow:hidden;cursor:pointer;transition:transform .18s,box-shadow .18s}
.card:hover{transform:translateY(-4px);box-shadow:0 8px 24px rgba(31,35,41,.08)}
.card .cover{height:140px;background:linear-gradient(135deg,#ffd6e4,#cdeeff);display:flex;align-items:center;justify-content:center;color:#fff;font-size:26px;font-weight:700}
.card .cover img{width:100%;height:100%;object-fit:cover}
.card .meta{padding:12px 14px}
.card .name{font-size:15px;font-weight:600}
.card .desc{font-size:12px;color:var(--muted);margin-top:4px;line-height:1.4}
.empty{text-align:center;color:var(--muted);padding:60px 0;grid-column:1/-1}

.overlay{position:fixed;inset:0;background:rgba(31,35,41,.5);display:flex;align-items:center;justify-content:center;padding:20px;z-index:50}
.overlay.hidden{display:none}
.detail-card{background:#fff;border-radius:20px;max-width:480px;width:100%;max-height:90vh;overflow:auto;animation:pop .2s ease}
@keyframes pop{from{transform:scale(.96);opacity:0}to{transform:scale(1);opacity:1}}
.back{margin:16px 16px 0;background:none;border:none;color:var(--blue);font-size:14px;cursor:pointer}
.detail-body{padding:8px 24px 28px}
.detail-body .cover{height:200px;border-radius:14px;background:linear-gradient(135deg,#ffd6e4,#cdeeff);display:flex;align-items:center;justify-content:center;color:#fff;font-size:32px;font-weight:700;overflow:hidden}
.detail-body .cover img{width:100%;height:100%;object-fit:cover}
.detail-body h2{font-size:22px;margin-top:16px}
.detail-body .desc{color:var(--muted);margin-top:8px;line-height:1.6;font-size:14px}
.actions{margin-top:22px;display:flex;flex-direction:column;gap:12px}
.btn{display:flex;align-items:center;justify-content:center;gap:8px;padding:14px;border-radius:14px;font-size:15px;font-weight:600;color:#fff;text-decoration:none;cursor:pointer}
.btn.drive{background:var(--pink)}
.btn.video{background:var(--blue)}
.drive-code{font-size:12px;opacity:.9;font-weight:400;margin-left:6px}

/* 后台 */
.admin-wrap{max-width:760px;margin:0 auto;padding:24px}
.panel{background:#fff;border:1px solid var(--border);border-radius:16px;padding:24px;margin-bottom:20px}
.panel h2{font-size:18px;margin-bottom:16px}
.field{margin-bottom:14px}
.field label{display:block;font-size:13px;color:var(--muted);margin-bottom:6px}
.field input,.field textarea{width:100%;padding:10px 12px;border:1px solid var(--border);border-radius:10px;font-size:14px;outline:none;font-family:inherit}
.field input:focus,.field textarea:focus{border-color:var(--blue)}
.row-list .row{display:flex;align-items:center;gap:12px;padding:12px;border:1px solid var(--border);border-radius:12px;margin-bottom:10px}
.row-cover{width:56px;height:56px;border-radius:10px;background:linear-gradient(135deg,#ffd6e4,#cdeeff);display:flex;align-items:center;justify-content:center;color:#fff;font-weight:700;overflow:hidden;flex:none}
.row-cover img{width:100%;height:100%;object-fit:cover}
.row-main{flex:1;min-width:0}
.row-name{font-size:15px;font-weight:600}
.row-sub{font-size:12px;color:var(--muted);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.row-actions{display:flex;gap:8px;flex:none}
.mini{padding:6px 12px;border:1px solid var(--border);background:#fff;border-radius:8px;font-size:13px;cursor:pointer}
.mini.edit{color:var(--blue);border-color:var(--blue)}
.mini.del{color:#e24b4a;border-color:#e24b4a}
.mini:hover{filter:brightness(.97)}
.btn-primary{background:var(--pink);color:#fff;border:none;padding:12px 20px;border-radius:12px;font-size:14px;font-weight:600;cursor:pointer}
.btn-ghost{background:#fff;color:var(--text);border:1px solid var(--border);padding:12px 20px;border-radius:12px;font-size:14px;cursor:pointer}
.tabs{display:flex;gap:8px;margin-bottom:16px}
.tabs label{padding:8px 16px;border:1px solid var(--border);border-radius:20px;cursor:pointer;font-size:14px}
.tabs input{display:none}
.tabs label.active{background:var(--blue);color:#fff;border-color:var(--blue)}
.drive-row{display:grid;grid-template-columns:1.2fr 2fr 1fr auto;gap:8px;margin-bottom:8px}
.drive-row input{padding:8px 10px;border:1px solid var(--border);border-radius:8px;font-size:13px}
.cover-preview{width:120px;height:80px;border-radius:10px;background:#f0f2f5;display:flex;align-items:center;justify-content:center;overflow:hidden;color:var(--muted);font-size:12px}
.cover-preview img{width:100%;height:100%;object-fit:cover}
.msg{font-size:13px;margin-top:10px;color:var(--muted)}
.msg.err{color:#e24b4a}
.hidden{display:none!important}
.login-center{max-width:360px;margin:80px auto;background:#fff;border:1px solid var(--border);border-radius:16px;padding:28px}
.login-center h2{font-size:18px;margin-bottom:18px;text-align:center}
.topbar .spacer{flex:1}