:root{--bg-main: #f2f6fb;--bg-panel: #ffffff;--bg-soft: #f8fbff;--text-main: #1c2a3f;--text-sub: #5f7390;--line: #d8e3f1;--line-strong: #c8d7ea;--primary: #2477e1;--primary-strong: #1f64bd;--warn: #e59319;--danger: #d84a4a;--subtle: #6f88b3;--shadow-sm: 0 6px 18px rgba(22, 46, 82, .08);--shadow-md: 0 14px 32px rgba(22, 46, 82, .1);font-family:PingFang SC,Source Han Sans SC,Noto Sans SC,sans-serif;color:var(--text-main);background:var(--bg-main)}*{box-sizing:border-box}html,body{margin:0;min-height:100%}body{background:radial-gradient(560px 300px at 8% 0%,rgba(36,119,225,.15),transparent 70%),radial-gradient(460px 260px at 100% 6%,rgba(23,176,138,.08),transparent 72%),var(--bg-main)}#app{width:100%}.m-layout{padding:12px 12px 24px;min-height:100vh}.m-header{display:flex;justify-content:space-between;align-items:flex-start;gap:8px;margin-bottom:10px;background:#fffc;border:1px solid #dce6f4;border-radius:14px;padding:10px 12px;box-shadow:var(--shadow-sm);-webkit-backdrop-filter:blur(6px);backdrop-filter:blur(6px)}.m-header h1{margin:0;font-size:18px;letter-spacing:.2px}.m-header small{color:var(--text-sub)}.m-nav{display:flex;gap:8px;overflow:auto;margin-bottom:12px;padding:2px 2px 4px;scrollbar-width:thin}.m-nav button{white-space:nowrap;flex:0 0 auto;background:linear-gradient(180deg,#eef4ff,#e8f0ff);color:#29508f;border:1px solid #d5e3fb;border-radius:999px;min-height:38px;font-size:13px;font-weight:700;box-shadow:0 3px 9px #234b8a1a}.m-nav button.active{background:linear-gradient(135deg,var(--primary) 0%,#4e96ef 100%);color:#fff;border-color:transparent;box-shadow:0 7px 16px #2477e140}.message{background:linear-gradient(135deg,#ecf4ff,#f3f9ff);border:1px solid #cfdef4;border-radius:12px;padding:10px 12px;margin-bottom:10px;color:#23508f;box-shadow:0 5px 12px #2e66b81c}.card{border:1px solid var(--line);border-radius:14px;background:var(--bg-panel);padding:14px;margin-bottom:12px;box-shadow:var(--shadow-md)}.m-login{max-width:480px;margin:50px auto 0;background:#fffffff2}.section-head{display:flex;justify-content:space-between;align-items:center;gap:8px;margin-bottom:10px}.section-head h3,.section-head h4{margin:0}.m-label{display:block;font-size:13px;color:#324b74;margin:8px 0 4px;font-weight:700}input,select,textarea{width:100%;border:1px solid var(--line-strong);border-radius:12px;padding:10px 12px;margin-bottom:8px;background:#fff;font-size:15px;color:#152642;transition:border-color .2s ease,box-shadow .2s ease}input,select{min-height:44px}input:focus,select:focus,textarea:focus{outline:0;border-color:#78a9ec;box-shadow:0 0 0 3px #2477e124}input[type=datetime-local]{text-align:center;font-variant-numeric:tabular-nums}input[type=datetime-local]::-webkit-date-and-time-value{text-align:center}select{-webkit-appearance:none;-moz-appearance:none;appearance:none;background-image:linear-gradient(45deg,transparent 50%,#3f6298 50%),linear-gradient(135deg,#3f6298 50%,transparent 50%),linear-gradient(to right,#dce7f8,#dce7f8);background-position:calc(100% - 18px) calc(50% - 3px),calc(100% - 12px) calc(50% - 3px),calc(100% - 36px) 50%;background-size:6px 6px,6px 6px,1px 22px;background-repeat:no-repeat;padding-right:44px}input[type=checkbox]{width:22px;height:22px;margin:0;accent-color:var(--primary);border-radius:6px}textarea{resize:vertical;min-height:72px}button{border:0;border-radius:12px;background:linear-gradient(135deg,var(--primary) 0%,#4e96ef 100%);color:#fff;min-height:42px;padding:0 14px;font-size:14px;font-weight:700;transition:transform .08s ease,filter .12s ease,box-shadow .15s ease}button:active:not(:disabled){transform:translateY(1px);filter:brightness(.98)}button:hover:not(:disabled){box-shadow:0 7px 14px #2477e133}button:disabled{opacity:.58}button.warn{background:linear-gradient(135deg,var(--warn) 0%,#f0ab4c 100%)}button.danger{background:linear-gradient(135deg,var(--danger) 0%,#e66d6d 100%)}button.subtle{background:linear-gradient(135deg,var(--subtle) 0%,#87a0ca 100%)}.btn-logout{background:linear-gradient(135deg,var(--danger) 0%,#e66d6d 100%)}.m-actions{display:flex;flex-wrap:wrap;gap:8px;margin:8px 0}.m-actions>button{flex:1 1 120px}.m-grid{display:grid;grid-template-columns:1fr 1fr;gap:8px}.m-stats{display:grid;grid-template-columns:1fr 1fr auto;gap:8px;margin-bottom:8px}.m-stats>div{background:linear-gradient(180deg,#f7faff,#edf4ff);border:1px solid #cfdcf4;border-radius:10px;padding:8px;text-align:center;font-size:13px;font-weight:700;color:#29456f}.m-check-all{display:flex;align-items:center;gap:8px;color:#314f7a;font-size:14px;margin:8px 0;padding:8px 10px;background:#f4f8ff;border:1px solid #d8e4f9;border-radius:10px}.m-list{display:grid;gap:8px}.m-item{border:1px solid #d8e4f7;border-radius:12px;padding:10px;display:grid;grid-template-columns:auto 1fr;gap:8px;background:linear-gradient(180deg,#fff,#f8fbff)}.m-item-main{min-width:0}.m-item-actions{grid-column:1 / span 2;display:flex;flex-wrap:wrap;gap:8px}.m-item-actions>button{flex:1 1 110px}.m-title{font-weight:700;margin-bottom:4px;color:#1d2f4e}.m-meta{font-size:12px;color:var(--text-sub);margin-bottom:2px}.m-topic-stats{display:flex;flex-wrap:wrap;gap:8px 12px}.m-empty{font-size:13px;color:var(--text-sub);padding:10px;border:1px dashed #cdddf6;border-radius:10px;background:#f9fbff}.m-check{padding-top:2px}.avatar-thumb{width:40px;height:40px;border-radius:8px;object-fit:cover;border:1px solid #d7e3f8}.topic-help{border:1px solid #cfdef7;background:linear-gradient(180deg,#f7fbff,#f1f7ff);border-radius:12px;padding:10px;margin-bottom:8px;color:#2c486f;font-size:12px;line-height:1.55}.pager{display:flex;flex-wrap:wrap;align-items:center;justify-content:center;gap:6px 8px;margin-top:10px;padding:10px 8px;border:1px solid #d7e4f8;border-radius:12px;background:#f9fbff}.pager label{display:inline-flex;align-items:center;gap:6px;color:#39537d;font-size:13px;white-space:nowrap;order:1}.pager label select{width:86px;margin:0;min-height:36px;padding-left:12px;padding-right:28px;background-position:calc(100% - 14px) calc(50% - 3px),calc(100% - 8px) calc(50% - 3px),calc(100% - 24px) 50%;background-size:5px 5px,5px 5px,1px 18px}.pager>button{min-height:34px;padding:0 12px;border-radius:10px;font-size:13px}.pager>button:first-of-type{order:2}.pager>button:last-of-type{order:3}.pager span{color:#3b567f;font-size:12px;order:4;flex:0 0 100%;text-align:center;line-height:1.2}.modal-mask{position:fixed;top:0;right:0;bottom:0;left:0;background:#1121376b;display:flex;align-items:center;justify-content:center;padding:12px;z-index:1000;-webkit-backdrop-filter:blur(2px);backdrop-filter:blur(2px)}.modal-card{width:100%;max-width:760px;max-height:calc(100vh - 24px);background:#fff;border:1px solid #d6e2f7;border-radius:14px;padding:10px;overflow:hidden;box-shadow:0 18px 38px #1227453d}.modal-body{overflow:auto;max-height:calc(100vh - 120px)}.enterprise-modal{width:min(460px,100%);max-height:calc(100vh - 80px);padding:10px 12px}.enterprise-modal .modal-body{max-height:calc(100vh - 170px)}.enterprise-modal .m-actions{justify-content:flex-start;gap:10px}.enterprise-modal label{display:inline-flex;align-items:center;gap:6px}.enterprise-modal .enterprise-mode-row{display:flex;flex-wrap:nowrap;align-items:center;justify-content:flex-start;gap:16px}.enterprise-modal .enterprise-mode-row label{white-space:nowrap}.enterprise-modal .enterprise-actions{display:flex;flex-wrap:nowrap;align-items:center;justify-content:space-between;width:100%}table{display:none}@media (min-width: 768px){.m-layout{max-width:860px;margin:0 auto}.m-grid{grid-template-columns:repeat(2,minmax(0,1fr))}}@media (max-width: 420px){.m-grid{grid-template-columns:1fr}.m-stats{grid-template-columns:1fr 1fr}.m-stats>button{grid-column:1 / span 2}}