:root{--primary: #5B8AC9;--primary-dark: #4A72B0;--primary-light: #E8F0F8;--primary-soft: #F0F5FA;--gradient-primary: linear-gradient(135deg, #6B9BD6 0%, #4A72B0 100%);--success: #22C55E;--success-light: #E7F9EE;--warning: #F59E0B;--warning-light: #FEF3E2;--danger: #EF4444;--danger-light: #FDECEC;--text: #1F2937;--text-2: #6B7280;--text-3: #9CA3AF;--bg: #F5F7FA;--card: #FFFFFF;--border: #E5E7EB;--shadow: 0 1px 3px rgba(17, 24, 39, .06), 0 1px 2px rgba(17, 24, 39, .04);--shadow-lg: 0 8px 24px rgba(17, 24, 39, .1);--radius: 14px;--radius-sm: 10px}*{box-sizing:border-box;margin:0;padding:0;-webkit-tap-highlight-color:transparent}html{font-size:16px}body{font-family:-apple-system,BlinkMacSystemFont,PingFang SC,HarmonyOS Sans SC,Microsoft YaHei,sans-serif;color:var(--text);background:var(--bg);line-height:1.55;-webkit-font-smoothing:antialiased}#root{min-height:100vh}a{color:inherit;text-decoration:none}button{font-family:inherit;cursor:pointer;border:none;background:none}input,select,textarea{font-family:inherit;font-size:16px;color:var(--text)}.app-shell{max-width:560px;margin:0 auto;min-height:100vh;position:relative;padding-bottom:76px}.topbar{position:sticky;top:0;z-index:20;background:#ffffffe6;-webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px);border-bottom:1px solid var(--border);padding:14px 16px;display:flex;align-items:center;justify-content:space-between}.topbar h1{font-size:20px;font-weight:700}.topbar .sub{font-size:13px;color:var(--text-2)}.page{padding:16px}.tabbar{position:fixed;bottom:0;left:50%;transform:translate(-50%);width:100%;max-width:560px;z-index:30;background:var(--card);border-top:1px solid var(--border);display:flex;padding:6px 0 calc(6px + env(safe-area-inset-bottom))}.tabbar a{flex:1;display:flex;flex-direction:column;align-items:center;gap:2px;padding:4px 0;color:var(--text-3);font-size:11px}.tabbar a.active{color:var(--primary)}.tabbar .ico{font-size:22px;line-height:1}.btn{display:inline-flex;align-items:center;justify-content:center;gap:6px;padding:12px 20px;border-radius:var(--radius-sm);font-size:16px;font-weight:600;transition:opacity .15s,transform .05s}.btn:active{transform:scale(.98)}.btn:disabled{opacity:.5}.btn-primary{background:var(--primary);color:#fff}.btn-primary:hover{background:var(--primary-dark)}.btn-outline{background:#fff;color:var(--primary);border:1px solid var(--primary)}.btn-ghost{background:var(--primary-light);color:var(--primary)}.btn-danger{background:var(--danger);color:#fff}.btn-block{width:100%}.btn-lg{padding:15px 20px;font-size:17px}.btn-sm{padding:7px 14px;font-size:14px}.card{background:var(--card);border-radius:var(--radius);box-shadow:var(--shadow);padding:16px}.card+.card{margin-top:12px}.field{margin-bottom:14px}.field label{display:block;font-size:14px;color:var(--text-2);margin-bottom:6px}.input,.select,.textarea{width:100%;padding:12px 14px;border:1px solid var(--border);border-radius:var(--radius-sm);background:#fff;font-size:16px;outline:none;transition:border-color .15s}.input:focus,.select:focus,.textarea:focus{border-color:var(--primary)}.textarea{min-height:90px;resize:vertical}.list-item{display:flex;align-items:center;gap:12px;padding:13px 0;border-bottom:1px solid var(--border)}.list-item:last-child{border-bottom:none}.list-item .grow{flex:1;min-width:0}.badge{display:inline-block;padding:2px 9px;border-radius:999px;font-size:12px;font-weight:600}.badge-primary{background:var(--primary-light);color:var(--primary)}.badge-success{background:var(--success-light);color:var(--success)}.badge-warning{background:var(--warning-light);color:var(--warning)}.badge-gray{background:#f3f4f6;color:var(--text-2)}.check-circle{width:28px;height:28px;border-radius:50%;flex-shrink:0;border:2px solid var(--border);display:flex;align-items:center;justify-content:center;font-size:16px;color:transparent;transition:all .15s;background:#fff}.check-circle.checked{background:var(--success);border-color:var(--success);color:#fff}.empty{text-align:center;padding:60px 20px;color:var(--text-3)}.empty .big{font-size:48px;margin-bottom:12px}.empty p{font-size:15px}.spinner{width:32px;height:32px;border:3px solid var(--border);border-top-color:var(--primary);border-radius:50%;margin:40px auto;animation:spin .8s linear infinite}@keyframes spin{to{transform:rotate(360deg)}}.toast{position:fixed;top:16px;left:50%;transform:translate(-50%);z-index:100;background:#1f2937eb;color:#fff;padding:10px 20px;border-radius:999px;font-size:14px;max-width:90%;text-align:center;animation:fadeIn .2s}.toast.error{background:#ef4444f2}@keyframes fadeIn{0%{opacity:0;transform:translate(-50%,-8px)}to{opacity:1;transform:translate(-50%)}}.modal-mask{position:fixed;top:0;right:0;bottom:0;left:0;background:#11182773;z-index:50;display:flex;align-items:flex-end;justify-content:center}.modal{width:100%;max-width:560px;background:#fff;border-radius:20px 20px 0 0;padding:20px 20px calc(20px + env(safe-area-inset-bottom));max-height:85vh;overflow-y:auto;animation:slideUp .25s}@keyframes slideUp{0%{transform:translateY(40px);opacity:0}to{transform:translateY(0);opacity:1}}.modal-title{font-size:18px;font-weight:700;margin-bottom:16px;display:flex;justify-content:space-between;align-items:center}.progress{height:8px;background:#f3f4f6;border-radius:999px;overflow:hidden}.progress>div{height:100%;background:var(--success);border-radius:999px;transition:width .3s}.stat-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:12px}.stat-card{background:var(--card);border-radius:var(--radius);box-shadow:var(--shadow);padding:16px}.stat-card .num{font-size:28px;font-weight:800;color:var(--primary)}.stat-card .label{font-size:13px;color:var(--text-2);margin-top:2px}.section-title{font-size:15px;font-weight:700;margin:18px 0 10px;color:var(--text)}.muted{color:var(--text-2);font-size:13px}.small{font-size:13px}.flex{display:flex;align-items:center}.between{justify-content:space-between}.gap8{gap:8px}.gap12{gap:12px}.mt8{margin-top:8px}.mt12{margin-top:12px}.mt16{margin-top:16px}.mb8{margin-bottom:8px}.mb12{margin-bottom:12px}.mb16{margin-bottom:16px}.text-center{text-align:center}.ellipsis{overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.hw-card{background:var(--card);border-radius:var(--radius);box-shadow:var(--shadow);padding:16px}.hw-card+.hw-card{margin-top:12px}.hw-subject{display:inline-flex;align-items:center;gap:6px;background:var(--primary-light);color:var(--primary);padding:3px 10px;border-radius:8px;font-size:13px;font-weight:600}.hw-content{font-size:17px;margin:10px 0;white-space:pre-wrap;word-break:break-word}.hw-meta{display:flex;flex-wrap:wrap;gap:8px;font-size:12px;color:var(--text-2)}.hw-img{width:72px;height:72px;border-radius:10px;object-fit:cover;border:1px solid var(--border);margin:4px 6px 0 0}.auth-wrap{min-height:100vh;display:flex;flex-direction:column;background:linear-gradient(180deg,#C8D8E8 0%,#E8F0F8 30%,var(--bg) 60%)}.auth-head{padding:56px 24px 16px;text-align:center}.auth-head .logo{width:92px;height:92px;margin:0 auto 16px;border-radius:22px;box-shadow:0 8px 24px #4a72b040}.auth-head h2{font-size:24px;font-weight:800}.auth-head p{color:var(--text-2);font-size:14px;margin-top:4px}.auth-body{padding:16px 24px 40px}.role-tabs{display:flex;background:#fff;border-radius:12px;padding:4px;box-shadow:var(--shadow);margin-bottom:20px}.role-tabs button{flex:1;padding:12px;border-radius:9px;font-size:16px;font-weight:600;color:var(--text-2)}.role-tabs button.on{background:var(--primary);color:#fff}.chips{display:flex;flex-wrap:wrap;gap:8px}.chip{padding:8px 14px;border-radius:999px;border:1px solid var(--border);font-size:14px;color:var(--text-2);background:#fff;transition:all .12s}.chip.on{background:var(--primary-light);border-color:var(--primary);color:var(--primary);font-weight:600}.att-thumb{position:relative;display:inline-block}.att-thumb img{width:72px;height:72px;border-radius:10px;object-fit:cover}.att-thumb .del{position:absolute;top:-6px;right:-6px;width:22px;height:22px;border-radius:50%;background:var(--danger);color:#fff;font-size:13px;line-height:22px;text-align:center}@media(min-width:560px){.app-shell{box-shadow:0 0 30px #11182714}}