:root{--bg:#f4f6fb;--card:#ffffff;--text:#1a2333;--muted:#6b7689;--line:#e6eaf2;--primary:#2563eb;--primary-dark:#1d4ed8;--danger:#dc2626;--success:#16a34a;--radius:14px}*{box-sizing:border-box}body,html{margin:0;padding:0}body{font-family:-apple-system,BlinkMacSystemFont,PingFang SC,Hiragino Sans GB,Microsoft YaHei,Segoe UI,Roboto,sans-serif;background:var(--bg);color:var(--text);-webkit-font-smoothing:antialiased}a{color:var(--primary);text-decoration:none}a:hover{text-decoration:underline}.container{max-width:1080px}.container,.container-narrow{margin:0 auto;padding:24px 16px 64px}.container-narrow{max-width:640px}.card{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:20px;margin-bottom:16px;box-shadow:0 1px 3px rgba(20,40,90,.05)}.card h3{margin:0 0 14px;font-size:17px}.btn{display:inline-flex;align-items:center;justify-content:center;gap:6px;padding:10px 20px;border-radius:10px;border:none;font-size:15px;cursor:pointer;font-weight:600;white-space:nowrap;transition:transform .05s ease,background .15s ease}.btn:active{transform:scale(.98)}.btn:disabled{opacity:.6;cursor:not-allowed}.btn-primary{background:var(--primary);color:#fff}.btn-primary:hover{background:var(--primary-dark)}.btn-ghost{background:#eef2f9;color:var(--text)}.btn-ghost:hover{background:#e2e8f5}.btn-danger{background:#fee2e2;color:var(--danger)}.btn-danger:hover{background:#fecaca}.btn-sm{padding:6px 12px;font-size:13px;border-radius:8px}.btn-block{width:100%;padding:14px;font-size:17px;border-radius:12px}.badge{display:inline-block;padding:3px 10px;border-radius:999px;font-size:12px;font-weight:600;background:#eef2f9;color:var(--text)}.badge-on{background:#dcfce7;color:#15803d}.badge-off{background:#f1f5f9;color:var(--muted)}.error{color:var(--danger);font-size:14px}.success{color:var(--success);font-size:14px}.muted{color:var(--muted)}.mono,.muted{font-size:13px}.mono{font-family:ui-monospace,SFMono-Regular,Menlo,monospace}.field{display:block;margin-bottom:12px}.field-label{display:block;font-size:13px;font-weight:600;margin-bottom:6px;color:#334155}.field-hint{display:block;font-size:12px;color:var(--muted);margin-top:4px;font-weight:400}input,select,textarea{width:100%;padding:10px 12px;border:1px solid var(--line);border-radius:10px;font-size:15px;font-family:inherit;background:#fff;color:var(--text)}input:focus,select:focus,textarea:focus{outline:2px solid #bfdbfe;border-color:var(--primary)}textarea{resize:vertical}.form-grid{display:grid;grid-template-columns:1fr 1fr;grid-gap:0 16px;gap:0 16px}.form-grid .field:nth-child(odd):last-child{grid-column:1/-1}.form-actions{display:flex;gap:10px;margin-top:8px}@media (max-width:640px){.form-grid{grid-template-columns:1fr}}.table-wrap{overflow-x:auto}table{width:100%;border-collapse:collapse;font-size:14px}td,th{padding:10px 12px;text-align:left;border-bottom:1px solid var(--line);vertical-align:middle}th{color:var(--muted);font-weight:600;font-size:13px;white-space:nowrap}tr:last-child td{border-bottom:none}.row-actions{gap:6px}.row-actions,.topbar{display:flex;flex-wrap:wrap}.topbar{align-items:center;justify-content:space-between;margin-bottom:20px;gap:12px}.topbar h1{margin:0;font-size:22px}.topbar .sub{color:var(--muted);font-size:13px;margin-top:4px}.topbar-right{display:flex;gap:8px;align-items:center}.stat-row{display:grid;grid-template-columns:repeat(3,1fr);grid-gap:12px;gap:12px;margin-bottom:16px}.stat{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:16px}.stat .num{font-size:26px;font-weight:700}.stat .label{color:var(--muted);font-size:13px;margin-top:4px}@media (max-width:640px){.stat-row{grid-template-columns:1fr 1fr 1fr}.stat .num{font-size:20px}}.app-icon{width:48px;height:48px;border-radius:12px;object-fit:cover;background:#eef2f9;flex-shrink:0}.app-head{display:flex;gap:12px;align-items:center}.app-head .name{font-weight:700;font-size:16px}.link-row{display:flex;align-items:center;gap:8px;flex-wrap:wrap}.qr-img{width:96px;height:96px;border:1px solid var(--line);border-radius:8px}.dl-hero{background:linear-gradient(135deg,#1e3a8a,#2563eb 60%,#3b82f6);border-radius:20px;padding:36px 24px;color:#fff;text-align:center;margin-bottom:16px;position:relative;overflow:hidden}.dl-hero .app-icon{width:84px;height:84px;border-radius:20px;border:3px solid rgba(255,255,255,.5)}.dl-hero h1{margin:14px 0 6px;font-size:24px}.dl-hero .ver{opacity:.85;font-size:14px}.dl-hero .desc{opacity:.8;font-size:14px;margin-top:10px;max-width:520px;margin-left:auto;margin-right:auto}.platform-card{text-align:center}.platform-card .p-icon{font-size:40px}.platform-card h3{margin:8px 0 4px}.recommend{display:inline-block;background:#fef3c7;color:#b45309;font-size:12px;font-weight:700;padding:3px 12px;border-radius:999px;margin-bottom:8px}.dl-steps{text-align:left;background:#f8fafc;border-radius:10px;padding:12px 16px;margin:14px 0;font-size:14px;color:#475569}.dl-steps ol{margin:6px 0;padding-left:20px}.dl-steps li{margin:4px 0}.changelog{white-space:pre-wrap;font-size:14px;color:#475569;background:#f8fafc;border-radius:10px;padding:12px 16px}.wechat-tip{background:#fffbeb;border:1px solid #fde68a;color:#92400e;border-radius:var(--radius)}.warn-tip,.wechat-tip{padding:14px 16px;margin-bottom:16px;font-size:14px}.warn-tip{background:#fef2f2;border:1px solid #fecaca;color:#991b1b;border-radius:var(--radius)}.qr-box{display:flex;gap:16px;align-items:center;justify-content:center;flex-wrap:wrap}.footer-note{text-align:center;color:var(--muted);font-size:12px;margin-top:28px}.login-wrap{min-height:80vh;display:flex;align-items:center;justify-content:center}.login-card{width:100%;max-width:380px}.login-card h2{margin:0 0 6px}