:root{--primary: #6366f1;--primary-dark: #4f46e5;--primary-light: #eef2ff;--accent: #f59e0b;--success: #10b981;--danger: #ef4444;--warning: #f59e0b;--text: #1e293b;--text-2: #64748b;--text-3: #94a3b8;--bg: #f8fafc;--card: #ffffff;--border: #e2e8f0;--radius: 14px;--shadow: 0 1px 3px rgba(15, 23, 42, .06), 0 4px 16px rgba(15, 23, 42, .05);--shadow-lg: 0 8px 32px rgba(15, 23, 42, .12)}*{margin:0;padding:0;box-sizing:border-box}body{font-family:-apple-system,BlinkMacSystemFont,Segoe UI,PingFang SC,Hiragino Sans GB,Microsoft YaHei,sans-serif;background:var(--bg);color:var(--text);line-height:1.6;font-size:14px}a{color:var(--primary);text-decoration:none}.container{max-width:1080px;margin:0 auto;padding:0 20px}.page{padding:28px 0 60px}.navbar{background:var(--card);border-bottom:1px solid var(--border);position:sticky;top:0;z-index:50}.navbar-inner{max-width:1080px;margin:0 auto;padding:0 20px;height:60px;display:flex;align-items:center;justify-content:space-between}.brand{font-size:18px;font-weight:800;color:var(--text);display:flex;align-items:center;gap:8px}.brand-badge{background:linear-gradient(135deg,var(--primary),#a855f7);color:#fff;font-size:11px;font-weight:700;padding:2px 8px;border-radius:20px}.nav-links{display:flex;align-items:center;gap:4px}.nav-links a{padding:8px 14px;border-radius:8px;color:var(--text-2);font-weight:500;transition:all .15s}.nav-links a:hover{background:var(--bg);color:var(--text)}.nav-links a.active{background:var(--primary-light);color:var(--primary-dark);font-weight:600}.user-chip{display:flex;align-items:center;gap:8px;padding-left:14px;border-left:1px solid var(--border);margin-left:6px}.avatar{width:30px;height:30px;border-radius:50%;background:linear-gradient(135deg,var(--primary),#a855f7);color:#fff;display:flex;align-items:center;justify-content:center;font-size:13px;font-weight:700}.btn-logout{border:none;background:none;color:var(--text-3);cursor:pointer;font-size:13px}.btn-logout:hover{color:var(--danger)}.admin-navbar{background:#1e293b;border-bottom:none}.admin-navbar .brand,.admin-navbar .user-chip span{color:#f8fafc}.admin-navbar .nav-links a{color:#cbd5e1}.admin-navbar .nav-links a:hover{background:#ffffff14;color:#fff}.admin-navbar .nav-links a.active{background:var(--primary);color:#fff}.admin-navbar .user-chip{border-left-color:#fff3}.admin-avatar{background:linear-gradient(135deg,var(--primary),#a855f7)}.admin-back-link{color:#94a3b8!important;font-size:13px}.admin-back-link:hover{color:#fff!important}.btn{display:inline-flex;align-items:center;justify-content:center;gap:6px;padding:9px 18px;border-radius:10px;border:1px solid transparent;font-size:14px;font-weight:600;cursor:pointer;transition:all .15s;white-space:nowrap}.btn:disabled{opacity:.5;cursor:not-allowed}.btn-primary{background:var(--primary);color:#fff}.btn-primary:hover:not(:disabled){background:var(--primary-dark)}.btn-outline{background:transparent;border-color:var(--border);color:var(--text)}.btn-outline:hover:not(:disabled){border-color:var(--primary);color:var(--primary)}.btn-ghost{background:transparent;color:var(--text-2)}.btn-ghost:hover:not(:disabled){background:var(--bg)}.btn-success{background:var(--success);color:#fff}.btn-danger{background:var(--danger);color:#fff}.btn-sm{padding:6px 12px;font-size:13px}.btn-block{width:100%}.btn-lg{padding:12px 24px;font-size:15px}.card{background:var(--card);border:1px solid var(--border);border-radius:var(--radius);box-shadow:var(--shadow)}.card-pad{padding:20px}.form-group{margin-bottom:16px}.form-group label{display:block;font-weight:600;font-size:13px;color:var(--text);margin-bottom:6px}.form-group label .req{color:var(--danger)}.input,.select,.textarea{width:100%;padding:10px 14px;border:1px solid var(--border);border-radius:10px;font-size:14px;background:#fff;color:var(--text);outline:none;transition:border-color .15s,box-shadow .15s}.input:focus,.select:focus,.textarea:focus{border-color:var(--primary);box-shadow:0 0 0 3px #6366f11f}.textarea{resize:vertical;min-height:80px}.form-row{display:grid;grid-template-columns:1fr 1fr;gap:14px}.form-hint{font-size:12px;color:var(--text-3);margin-top:4px}.tag{display:inline-block;padding:3px 10px;border-radius:20px;font-size:12px;font-weight:600;background:var(--bg);color:var(--text-2);border:1px solid var(--border)}.tag-primary{background:var(--primary-light);color:var(--primary-dark);border-color:transparent}.tag-success{background:#d1fae5;color:#047857;border-color:transparent}.tag-warning{background:#fef3c7;color:#b45309;border-color:transparent}.tag-danger{background:#fee2e2;color:#b91c1c;border-color:transparent}.tag-muted{background:#f1f5f9;color:#64748b;border-color:transparent}.alert{padding:12px 16px;border-radius:10px;font-size:13px;margin-bottom:16px;border:1px solid transparent}.alert-error{background:#fef2f2;color:#b91c1c;border-color:#fecaca}.alert-success{background:#f0fdf4;color:#047857;border-color:#bbf7d0}.alert-info{background:#eff6ff;color:#1d4ed8;border-color:#bfdbfe}.task-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(230px,1fr));gap:18px}.task-card{background:var(--card);border:1px solid var(--border);border-radius:var(--radius);overflow:hidden;box-shadow:var(--shadow);transition:transform .15s,box-shadow .15s;display:flex;flex-direction:column}.task-card:hover{transform:translateY(-3px);box-shadow:var(--shadow-lg)}.task-cover{position:relative;aspect-ratio:3 / 2;overflow:hidden;background:linear-gradient(135deg,#eef2ff,#f5f3ff)}.task-cover img{width:100%;height:100%;object-fit:cover}.task-cover .img-badge{position:absolute;top:10px;right:10px;background:#0f172ab3;color:#fff;font-size:11px;font-weight:600;padding:3px 8px;border-radius:12px}.task-body{padding:14px 16px;flex:1;display:flex;flex-direction:column;gap:8px}.task-name{font-size:15px;font-weight:700;color:var(--text);overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.task-desc{font-size:12px;color:var(--text-2);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;flex:1}.task-meta{display:flex;align-items:center;justify-content:space-between;font-size:12px;color:var(--text-3)}.task-actions{display:flex;gap:8px;margin-top:4px}.page-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:22px;gap:16px;flex-wrap:wrap}.page-title{font-size:22px;font-weight:800}.page-sub{color:var(--text-2);font-size:13px;margin-top:2px}.img-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(200px,1fr));gap:14px}.img-item{border:1px solid var(--border);border-radius:12px;overflow:hidden;background:var(--card);box-shadow:var(--shadow);-webkit-user-select:none;user-select:none;-webkit-touch-callout:default}.img-item .img-wrap{aspect-ratio:3 / 4;overflow:hidden;background:#f1f5f9;-webkit-touch-callout:default}.img-item img{width:100%;height:100%;object-fit:cover;-webkit-touch-callout:default}.img-item .img-foot{padding:8px 10px;font-size:12px;color:var(--text-2);display:flex;align-items:center;justify-content:space-between;gap:6px}.img-item .img-foot .name{overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.claim-banner{display:flex;align-items:center;gap:16px;padding:18px 20px;border-radius:var(--radius);background:linear-gradient(135deg,var(--primary),#a855f7);color:#fff;margin-bottom:24px;flex-wrap:wrap}.claim-banner .info{flex:1;min-width:200px}.claim-banner .info h3{font-size:18px}.claim-banner .info p{opacity:.9;font-size:13px;margin-top:2px}.claim-banner .btn{background:#fff;color:var(--primary-dark)}.claim-banner .btn:hover{background:#f1f5f9}.table-wrap{overflow-x:auto}table{width:100%;border-collapse:collapse}th,td{text-align:left;padding:11px 14px;font-size:13px;border-bottom:1px solid var(--border)}th{font-weight:600;color:var(--text-2);background:#f8fafc;white-space:nowrap}tr:last-child td{border-bottom:none}tr:hover td{background:#fafafa}.stat-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(160px,1fr));gap:16px;margin-bottom:24px}.stat-card{background:var(--card);border:1px solid var(--border);border-radius:var(--radius);padding:18px;box-shadow:var(--shadow)}.stat-card .num{font-size:28px;font-weight:800;line-height:1.2}.stat-card .label{font-size:12px;color:var(--text-2);margin-top:4px}.stat-card.primary{border-top:3px solid var(--primary)}.stat-card.success{border-top:3px solid var(--success)}.stat-card.accent{border-top:3px solid var(--accent)}.stat-card.danger{border-top:3px solid var(--danger)}.platform-cards{display:grid;grid-template-columns:1fr 1fr;gap:16px}.platform-card{border:1px solid var(--border);border-radius:var(--radius);padding:20px;background:var(--card);box-shadow:var(--shadow)}.platform-card .pf-head{display:flex;align-items:center;gap:10px;margin-bottom:12px}.pf-logo{width:40px;height:40px;border-radius:10px;display:flex;align-items:center;justify-content:center;font-size:20px;font-weight:800;color:#fff}.pf-logo.ks{background:#ff4d00}.pf-logo.dy{background:#161823}.platform-card .pf-name{font-size:16px;font-weight:700}.platform-card .pf-status{margin-top:8px}.upload-zone{border:2px dashed var(--border);border-radius:var(--radius);padding:32px 20px;text-align:center;color:var(--text-2);cursor:pointer;transition:all .15s;background:#fafbfc}.upload-zone:hover,.upload-zone.dragging{border-color:var(--primary);background:var(--primary-light);color:var(--primary-dark)}.upload-zone .icon{font-size:36px;margin-bottom:8px}.auth-wrap{min-height:100vh;display:flex;align-items:center;justify-content:center;background:linear-gradient(135deg,#eef2ff,#f5f3ff,#fdf2f8);padding:20px}.auth-card{width:100%;max-width:400px;background:#fff;border-radius:20px;box-shadow:var(--shadow-lg);padding:36px 32px}.auth-logo{text-align:center;margin-bottom:24px}.auth-logo h1{font-size:22px;font-weight:800}.auth-logo p{color:var(--text-2);font-size:13px;margin-top:4px}.auth-alt{text-align:center;font-size:13px;color:var(--text-2);margin-top:18px}.empty{text-align:center;padding:60px 20px;color:var(--text-3)}.empty .icon{font-size:48px;margin-bottom:12px}.back-link{display:inline-flex;align-items:center;gap:4px;font-size:13px;color:var(--text-2);margin-bottom:12px}.back-link:hover{color:var(--primary)}.loading{text-align:center;padding:60px 0;color:var(--text-3)}.spinner{width:32px;height:32px;border:3px solid var(--border);border-top-color:var(--primary);border-radius:50%;margin:0 auto 12px;animation:spin .8s linear infinite}@keyframes spin{to{transform:rotate(360deg)}}.modal-mask{position:fixed;top:0;right:0;bottom:0;left:0;background:#0f172a80;display:flex;align-items:center;justify-content:center;z-index:100;padding:20px}.modal{background:#fff;border-radius:16px;padding:28px;width:100%;max-width:460px;box-shadow:var(--shadow-lg)}.modal h3{font-size:18px;font-weight:700;margin-bottom:12px}.modal .code-box{background:var(--bg);border:1px dashed var(--border);border-radius:10px;padding:14px;text-align:center;font-size:20px;font-weight:800;letter-spacing:4px;color:var(--primary-dark);margin:12px 0}.modal-actions{display:flex;justify-content:flex-end;gap:10px;margin-top:18px}.list-item{display:flex;align-items:center;gap:14px;padding:14px 16px;border:1px solid var(--border);border-radius:12px;background:var(--card);margin-bottom:10px}.list-item .thumb{width:56px;height:56px;border-radius:10px;object-fit:cover;background:#f1f5f9}.list-item .body{flex:1;min-width:0}.list-item .title{font-weight:600;font-size:14px}.list-item .sub{font-size:12px;color:var(--text-2)}.steps{display:flex;align-items:center;gap:8px;margin:16px 0;font-size:12px;color:var(--text-2);flex-wrap:wrap}.step{display:flex;align-items:center;gap:6px}.step .dot{width:22px;height:22px;border-radius:50%;background:var(--border);color:var(--text-2);display:flex;align-items:center;justify-content:center;font-weight:700;font-size:12px}.step.done .dot{background:var(--success);color:#fff}.step.current .dot{background:var(--primary);color:#fff}.step-arrow{color:var(--text-3)}@media (max-width: 768px){.form-row,.platform-cards{grid-template-columns:1fr}.nav-links a{padding:6px 8px;font-size:12px}.user-chip{display:none}.page{padding:18px 0 40px}.container,.navbar-inner{padding:0 12px}.navbar-inner{height:52px}.brand{font-size:15px}.brand-badge{display:none}.nav-links{overflow-x:auto;gap:2px}.nav-links a{white-space:nowrap}.img-grid{grid-template-columns:repeat(auto-fill,minmax(135px,1fr));gap:10px}.task-grid{grid-template-columns:repeat(auto-fill,minmax(160px,1fr));gap:12px}th,td{padding:8px 10px;font-size:12px}.auth-card{padding:24px 20px}.claim-banner{padding:14px 16px}.claim-banner .info h3{font-size:16px}.list-item{flex-wrap:wrap}.list-item .body{flex:1 1 calc(100% - 70px)}.list-item .actions{width:100%;justify-content:flex-start}.stat-grid{grid-template-columns:1fr 1fr;gap:10px}.stat-card .num{font-size:22px}.btn-lg{width:100%}.upload-zone{padding:24px 12px}.group-card{min-width:0}}