:root{--bg:#f6f7fb;--card:#fff;--text:#172033;--muted:#6b7280;--line:#e5e7eb;--brand:#2563eb;--brand2:#1d4ed8;--ok:#059669;--bad:#dc2626;--shadow:0 10px 30px rgba(15,23,42,.08);}
*{box-sizing:border-box}body{margin:0;font-family:-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,"Noto Sans SC","PingFang SC","Microsoft YaHei",Arial,sans-serif;background:var(--bg);color:var(--text)}
.app-shell{max-width:760px;margin:0 auto;padding:18px 14px 50px}.admin-shell{max-width:1180px;margin:0 auto;padding:24px 18px 60px}
.hero,.admin-head{background:linear-gradient(135deg,#1d4ed8,#60a5fa);border-radius:26px;color:#fff;padding:24px;margin-bottom:16px;box-shadow:var(--shadow);display:flex;justify-content:space-between;align-items:center}.hero h1,.admin-head h1{margin:4px 0 8px;font-size:28px}.hero p{margin:0;color:rgba(255,255,255,.88);line-height:1.55}.eyebrow{font-size:13px;letter-spacing:.08em;text-transform:uppercase;opacity:.8}.card{background:var(--card);border:1px solid var(--line);border-radius:22px;padding:18px;margin:14px 0;box-shadow:var(--shadow)}.compact{padding:14px}.card-title{display:flex;align-items:center;justify-content:space-between;margin-bottom:12px;font-weight:700}.pill{font-size:12px;color:var(--brand);background:#eff6ff;border:1px solid #bfdbfe;border-radius:999px;padding:5px 10px;font-weight:600}.hint{color:var(--muted);font-size:13px;line-height:1.6}.status{color:var(--brand);font-size:14px;margin-top:8px}.hidden{display:none!important}
input,select,textarea{width:100%;border:1px solid var(--line);border-radius:14px;padding:12px 13px;font:inherit;background:#fff;color:var(--text);outline:none;margin:6px 0}textarea{resize:vertical;line-height:1.65}label{display:block;color:#374151;font-size:14px}.check{display:flex;gap:8px;align-items:flex-start;line-height:1.5;margin:9px 0}.check input{width:auto;margin-top:4px}.grid-2{display:grid;grid-template-columns:1fr 1fr;gap:10px;align-items:end}.grid-3{display:grid;grid-template-columns:1fr 1fr auto;gap:10px;align-items:center}.grid-4{display:grid;grid-template-columns:repeat(4,1fr);gap:10px}.actions{display:flex;gap:10px;flex-wrap:wrap}.btn{border:1px solid var(--line);border-radius:14px;background:#fff;color:var(--text);padding:12px 16px;font:inherit;font-weight:650;cursor:pointer;text-decoration:none;display:inline-flex;align-items:center;justify-content:center;min-height:44px}.btn.primary{background:var(--brand);color:#fff;border-color:var(--brand)}.btn.primary:hover{background:var(--brand2)}.btn.small{padding:8px 10px;min-height:36px;font-size:13px}.filebox{border:1px dashed #93c5fd;background:#eff6ff;border-radius:16px;text-align:center;padding:16px;cursor:pointer;color:#1d4ed8;font-weight:700}.filebox input{display:none}
.media-list{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:12px}.media-card{border:1px solid var(--line);border-radius:18px;overflow:hidden;background:#fff}.media-card img,.media-card video{width:100%;height:150px;object-fit:cover;background:#111;display:block}.media-info{padding:10px;display:flex;flex-direction:column;gap:6px}.media-info small{color:var(--muted)}.empty{color:var(--muted);padding:16px;text-align:center;border:1px dashed var(--line);border-radius:16px;background:#fafafa}.stats{display:grid;grid-template-columns:repeat(7,1fr);gap:10px;margin-bottom:16px}.stat{background:#fff;border:1px solid var(--line);box-shadow:var(--shadow);border-radius:18px;padding:15px;text-align:center}.stat b{font-size:26px;display:block;color:var(--brand)}.stat span{color:var(--muted);font-size:12px}.list{display:flex;flex-direction:column;gap:8px;margin-top:12px}.row{display:flex;gap:10px;align-items:center;justify-content:space-between;border:1px solid var(--line);border-radius:15px;padding:10px;background:#fff}.row b{max-width:35%;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.row span{color:var(--muted);font-size:13px;flex:1}.row img{width:72px;height:72px;border:1px solid var(--line);border-radius:8px}
@media(max-width:720px){.grid-2,.grid-3,.grid-4{grid-template-columns:1fr}.media-list{grid-template-columns:1fr}.hero h1{font-size:24px}.stats{grid-template-columns:repeat(2,1fr)}.row{align-items:flex-start;flex-direction:column}.row b{max-width:100%}.admin-head{align-items:flex-start;flex-direction:column;gap:12px}}
.steps{display:grid;grid-template-columns:repeat(3,1fr);gap:10px;margin:12px 0 16px}.steps div{background:#fff;border:1px solid var(--line);border-radius:18px;padding:12px;display:flex;align-items:center;gap:8px;box-shadow:var(--shadow)}.steps b{display:inline-flex;align-items:center;justify-content:center;width:26px;height:26px;border-radius:50%;background:#eff6ff;color:var(--brand)}.steps span{font-weight:700;font-size:13px}.grid-3-adapt{display:grid;grid-template-columns:1fr 1fr auto;gap:10px;align-items:end}.sticky-actions{position:sticky;bottom:8px;background:rgba(255,255,255,.92);backdrop-filter:blur(8px);padding:8px;border-radius:16px}.admin-head p{margin:0;color:rgba(255,255,255,.85)}.btn.ghost{background:rgba(255,255,255,.12);border-color:rgba(255,255,255,.35);color:#fff}.tabs{display:flex;gap:8px;flex-wrap:wrap;margin:0 0 16px}.tabs button{border:1px solid var(--line);background:#fff;border-radius:999px;padding:10px 14px;font-weight:700;cursor:pointer}.tabs button.active{background:var(--brand);border-color:var(--brand);color:#fff}.tips{color:var(--muted);line-height:1.7}.edition-grid{display:grid;grid-template-columns:repeat(5,1fr);gap:10px}.edition-grid div{border:1px solid var(--line);border-radius:16px;padding:14px;background:#fafafa}.edition-grid b{display:block;margin-bottom:6px}.edition-grid span{font-size:13px;color:var(--muted);line-height:1.5}.tab .card:first-child{margin-top:0}
@media(max-width:900px){.edition-grid{grid-template-columns:repeat(2,1fr)}.grid-3-adapt{grid-template-columns:1fr}.steps{grid-template-columns:1fr 1fr 1fr}.steps span{font-size:12px}}
@media(max-width:520px){.steps{grid-template-columns:1fr}.sticky-actions{position:static}.edition-grid{grid-template-columns:1fr}}