:root{
  --primary:#1663c7;--primary-d:#0f4e9e;--bg:#f3f6fb;--card:#fff;--text:#22304a;--muted:#7a8699;
  --border:#e3e9f2;--green:#1f9d55;--red:#d64545;--yellow:#d9a400;--orange:#e07b00;--gray:#8a94a6;
}
*{box-sizing:border-box}
body{margin:0;font-family:"PingFang SC","Microsoft YaHei",system-ui,sans-serif;background:var(--bg);color:var(--text);font-size:14px}
a{color:var(--primary);text-decoration:none}
a:hover{text-decoration:underline}
h2.page-title{margin:0 0 14px;font-size:20px}
h3{margin:0 0 10px;font-size:15px}

/* 顶栏 */
.topbar{position:sticky;top:0;z-index:50;display:flex;justify-content:space-between;align-items:center;background:linear-gradient(90deg,#0f3f7a,#1663c7);color:#fff;padding:0 20px;height:54px}
.topbar a{color:#fff}
/* 修复顶栏白底按钮"白字白底"不可见：.topbar a(0-1-1) 曾覆盖 .btn(0-1-0) 的深色文字。
   此规则(0-2-0)恢复按钮深色文字，#22304a/#fff 对比度≈12:1 满足 WCAG AA/AAA；不影响 ghost 透明底按钮 */
.topbar .btn{color:var(--text)}
.topbar .btn:hover{color:var(--primary-d)}
.brand{font-size:17px;font-weight:700}
.brand-sub{font-size:12px;opacity:.75;margin-left:10px;font-weight:400}
.top-user{display:flex;align-items:center;gap:10px;font-size:13px}
.role-tag{background:rgba(255,255,255,.18);padding:2px 8px;border-radius:10px;font-size:12px}

/* 布局 */
.layout{display:flex;min-height:calc(100vh - 54px)}
/* 侧栏：独立滚动（顶栏 sticky 54px），长列表不撑高页面；细滚动条贴合深蓝底 */
.sidebar{width:210px;background:#0e2a4f;padding:12px 0 16px;flex-shrink:0;position:sticky;top:54px;height:calc(100vh - 54px);overflow-y:auto;overscroll-behavior:contain;scrollbar-width:thin;scrollbar-color:#28497c transparent}
.sidebar::-webkit-scrollbar{width:8px}
.sidebar::-webkit-scrollbar-thumb{background:#28497c;border-radius:4px}
.sidebar::-webkit-scrollbar-track{background:transparent}
/* 分组标题：可点击折叠/展开（button 语义，键盘可达） */
.menu-group{display:flex;align-items:center;justify-content:space-between;width:100%;background:none;border:0;cursor:pointer;color:#6f87a8;font-size:11px;font-family:inherit;padding:14px 18px 4px;letter-spacing:1px;text-align:left}
.menu-group:hover{color:#a3bede}
.menu-group .caret{font-size:10px;color:#48699a;transition:transform .15s}
.menu-sec.closed .menu-sec-body{display:none}
.menu-sec.closed .caret{transform:rotate(-90deg)}
.menu-item{display:block;color:#c9d8ee;padding:9px 18px;font-size:13.5px;border-left:3px solid transparent}
.menu-item:hover{background:rgba(255,255,255,.06);text-decoration:none}
.menu-item.active{background:rgba(255,255,255,.1);color:#fff;border-left-color:#4da3ff}
.content{flex:1;padding:20px 24px;max-width:1280px}

/* 卡片 */
.card{background:var(--card);border:1px solid var(--border);border-radius:10px;padding:16px 18px;margin-bottom:16px;box-shadow:0 1px 2px rgba(16,42,79,.05)}
.cards{display:grid;grid-template-columns:repeat(auto-fit,minmax(170px,1fr));gap:12px;margin-bottom:16px}
.stat{text-align:center}
.stat-num{font-size:26px;font-weight:700;color:var(--primary)}
.stat-label{color:var(--muted);font-size:12px;margin-top:4px}
.two-col{display:grid;grid-template-columns:1fr 1fr;gap:16px}
@media(max-width:900px){.two-col{grid-template-columns:1fr}.sidebar{display:none}}

/* 表单 */
.field{margin-bottom:12px}
.field label{display:block;font-size:12.5px;color:var(--muted);margin-bottom:4px}
input,select,textarea{width:100%;padding:8px 10px;border:1px solid #cfd8e6;border-radius:6px;font:inherit;background:#fff}
input:focus,select:focus,textarea:focus{outline:none;border-color:var(--primary)}
textarea{resize:vertical}
.grid-2{display:grid;grid-template-columns:1fr 1fr;gap:12px}
.grid-3{display:grid;grid-template-columns:1fr 1fr 1fr;gap:12px}
@media(max-width:800px){.grid-2,.grid-3{grid-template-columns:1fr}}
fieldset.ai-zone{border:1px dashed #9db8dd;border-radius:8px;padding:12px;margin:12px 0;background:#f7faff}
fieldset.ai-zone[disabled]{opacity:.55}
fieldset.ai-zone legend{padding:0 8px;color:var(--primary);font-size:13px}
.filters{display:flex;gap:8px;flex-wrap:wrap;margin-bottom:12px;align-items:center}
.filters input,.filters select{width:auto;min-width:130px}

/* 按钮 */
.btn{display:inline-block;padding:8px 16px;border:1px solid #cfd8e6;border-radius:6px;background:#fff;color:var(--text);cursor:pointer;font:inherit;font-size:13.5px}
.btn:hover{border-color:var(--primary);color:var(--primary);text-decoration:none}
.btn-primary{background:var(--primary);border-color:var(--primary);color:#fff}
.btn-primary:hover{background:var(--primary-d);color:#fff}
.btn-ai{background:linear-gradient(90deg,#6d4df4,#1663c7);border:none;color:#fff}
.btn-success{background:var(--green);border-color:var(--green);color:#fff}
.btn-danger{background:var(--red);border-color:var(--red);color:#fff}
.btn-warn{background:var(--orange);border-color:var(--orange);color:#fff}
.btn-ghost{background:transparent}
.btn-sm{padding:5px 10px;font-size:12.5px}
.btn-xs{padding:2px 8px;font-size:12px}
.btn-block{width:100%;padding:10px}
.inline{display:inline}

/* 表格 */
.table{width:100%;border-collapse:collapse}
.table th,.table td{padding:8px 10px;border-bottom:1px solid var(--border);text-align:left;vertical-align:top}
.table th{background:#f6f9fe;color:var(--muted);font-weight:600;font-size:12.5px}
.table-sm th,.table-sm td{padding:5px 8px;font-size:12.5px}
td.empty{text-align:center;color:var(--muted);padding:24px}
.ops .btn{margin:1px 2px 1px 0}
.kv{width:100%;border-collapse:collapse}
.kv th{width:90px;text-align:left;color:var(--muted);font-weight:500;padding:5px 8px 5px 0;font-size:12.5px}
.kv td{padding:5px 16px 5px 0}

/* 徽章/等级 */
.badge{display:inline-block;padding:1px 8px;border-radius:10px;font-size:11.5px;color:#fff}
.badge-green{background:var(--green)}.badge-red{background:var(--red)}.badge-yellow{background:var(--yellow)}
.badge-orange{background:var(--orange)}.badge-blue{background:var(--primary)}.badge-gray{background:var(--gray)}
.lv-dot{display:inline-block;width:9px;height:9px;border-radius:50%;margin-right:5px}
.lv-blue{background:#1e88e5}.lv-yellow{background:#fbc02d}.lv-orange{background:#fb8c00}.lv-red{background:#e53935}
.lv-badge{display:inline-block;padding:3px 10px;border-radius:6px;color:#fff;font-size:12.5px;margin-left:6px}
.lv-badge.lv-blue,.lv-badge.lv-yellow,.lv-badge.lv-orange,.lv-badge.lv-red{color:#fff}
.color-chip{padding:8px;border-radius:6px;text-align:center;color:#fff;font-weight:600}
.chip-blue{background:#1e88e5}.chip-yellow{background:#fbc02d;color:#5a4500}.chip-orange{background:#fb8c00}.chip-red{background:#e53935}
.code-tag{font-size:12px;background:#eef3fb;color:var(--primary);padding:2px 8px;border-radius:4px}

/* 其他 */
.alert{padding:10px 14px;border-radius:8px;margin-bottom:14px;font-size:13.5px}
.alert-success{background:#e7f6ec;color:#166534;border:1px solid #b7e4c7}
.alert-error{background:#fdecec;color:#9b1c1c;border:1px solid #f5c2c2}
.alert-warn{background:#fff7e6;color:#8a5a00;border:1px solid #ffe1a8}
.muted{color:var(--muted);font-size:12.5px}
.pre{white-space:pre-wrap;word-break:break-word;line-height:1.7}
.muted-box{background:#f6f8fb;border-radius:6px;padding:10px 12px}
.text-red{color:var(--red)}
.detail-head{display:flex;justify-content:space-between;align-items:flex-start;gap:12px;margin-bottom:10px}
.diff-grid{display:grid;grid-template-columns:1fr 1fr;gap:14px}
.diff-a{color:var(--orange)}.diff-b{color:var(--green)}
.diff-card{border-left:4px solid var(--orange)}
.photo-grid{display:grid;grid-template-columns:1fr 1fr;gap:12px}
.thumb{display:inline-block;margin:2px}
.thumb img{width:96px;height:72px;object-fit:cover;border-radius:6px;border:1px solid var(--border)}
.file-link{font-size:12.5px}
.progress{background:#e8eef7;border-radius:8px;height:10px;min-width:70px;overflow:hidden}
.progress i{display:block;height:100%;background:linear-gradient(90deg,#43a047,#1e88e5)}
.todo-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(150px,1fr));gap:10px}
.todo-item{display:flex;align-items:center;gap:8px;padding:10px;border:1px solid var(--border);border-radius:8px;color:var(--text)}
.todo-item:hover{border-color:var(--primary);text-decoration:none}
.todo-count{background:var(--red);color:#fff;border-radius:12px;padding:1px 9px;font-size:12px}
.pager{margin-top:12px;display:flex;gap:6px;align-items:center}
.pager a,.pager-cur{padding:4px 10px;border:1px solid var(--border);border-radius:5px;font-size:12.5px}
.pager-cur{background:var(--primary);color:#fff;border-color:var(--primary)}
.pager-info{color:var(--muted);font-size:12px;margin-left:6px}
.chart{min-height:180px}
.chart svg{width:100%;height:auto}
.match-test{margin-bottom:12px}
.match-test summary{cursor:pointer;color:var(--primary);font-size:13px}
.reg-list{border:1px solid #dbe6f5;border-radius:8px;background:#f8fbff;padding:8px 12px;max-height:150px;overflow:auto}
.reg-item{padding:4px 0;border-bottom:1px dashed #e3e9f2;font-size:13px;line-height:1.5}
.reg-item:last-child{border-bottom:none}
.reg-item em{font-style:normal;color:var(--muted);font-size:11.5px;margin-left:8px}
.snap summary{cursor:pointer;color:var(--muted);font-size:12px}

/* 重置密码面板 */
.rst-wrap{position:relative;display:inline-block}
.rst-panel{display:none;position:absolute;right:0;top:28px;z-index:60;background:#fff;border:1px solid var(--border);border-radius:10px;box-shadow:0 10px 28px rgba(16,42,79,.22);padding:14px;width:270px;text-align:left}
.rst-panel.show{display:block}
.rst-panel .field{margin-bottom:10px}
.rst-panel input{height:38px;font-size:13.5px}
.pw-bar{height:6px;background:#e8eef7;border-radius:3px;margin:6px 0 3px;overflow:hidden}
.pw-bar i{display:block;height:100%;width:0;border-radius:3px;transition:width .2s,background .2s}
.pw-msg{font-size:11.5px;min-height:16px;color:var(--muted)}

/* 模拟登录/到期横幅 */
.imp-banner{background:linear-gradient(90deg,#5b21b6,#7c3aed);color:#fff;border-radius:10px;padding:10px 16px;margin-bottom:14px;font-size:13.5px}
.warn-banner{background:#fff7e6;border:1px solid #ffe1a8;color:#8a5a00;border-radius:10px;padding:10px 16px;margin-bottom:14px;font-size:13.5px}

/* 登录页 */
.auth-body{display:flex;align-items:center;justify-content:center;min-height:100vh;background:linear-gradient(135deg,#0e2a4f,#1663c7)}
.auth-card{background:#fff;border-radius:14px;padding:34px 36px;width:400px;max-width:92vw;box-shadow:0 18px 50px rgba(0,0,0,.28)}
.auth-brand{font-size:22px;font-weight:700;text-align:center;color:var(--primary)}
.auth-sub{text-align:center;color:var(--muted);font-size:12px;margin:6px 0 20px}
.auth-links{text-align:center;margin-top:14px;font-size:12.5px;color:var(--muted)}

/* 移动端入口横幅（仅小屏显示） */
.m-entry-banner{display:none}
@media(max-width:900px){
  .m-entry-banner{display:block;margin-bottom:14px;background:linear-gradient(90deg,#0e2a4f,#1663c7);border-radius:10px;padding:12px 14px}
  .m-entry-banner a{color:#fff;font-size:14px;font-weight:600}
}

/* ===== 企业用户续费强制弹窗 ===== */
.renew-mask{position:fixed;inset:0;background:rgba(15,23,42,.62);z-index:9999;display:flex;align-items:center;justify-content:center;padding:16px}
.renew-box{background:#fff;border-radius:14px;max-width:420px;width:100%;padding:26px 24px;text-align:center;box-shadow:0 20px 60px rgba(0,0,0,.35)}
.renew-box h3{margin:6px 0 10px;color:#d97706}
.renew-box p{margin:8px 0;font-size:14px;color:#334155;line-height:1.7}
.renew-ico{font-size:40px}
.renew-btns{display:flex;flex-direction:column;gap:8px;margin-top:16px}
.renew-btns .btn{display:inline-block;padding:10px;border-radius:8px;text-decoration:none;font-weight:700;border:none;cursor:pointer}
.renew-btns .btn-primary{background:#d97706;color:#fff}
.renew-btns .btn-ghost{background:#f1f5f9;color:#64748b;font-size:12px;font-weight:400}

/* ===== AI 描述润色建议面板（风险/隐患表单） ===== */
.polish-box{border:1px dashed #d9a842;background:linear-gradient(135deg,#fffbeb,#fff 55%);border-radius:10px;padding:12px 14px;margin:2px 0 14px}
.polish-head{font-size:13.5px;font-weight:700;color:#b45309;margin-bottom:8px}
.polish-head .muted{font-weight:400;font-size:12px}
.polish-state{color:#1f9d55;font-size:12px;margin-left:8px}
.polish-grid{display:grid;grid-template-columns:1fr 1fr;gap:10px;margin-bottom:10px}
.polish-col label{font-size:11.5px;color:#8a94a6;display:block;margin-bottom:3px}
.polish-txt{background:#fff;border:1px solid #eee2c3;border-radius:8px;padding:8px 10px;font-size:13px;color:#64748b;line-height:1.65;white-space:pre-wrap;max-height:130px;overflow:auto}
.polish-new{color:#1f2937;font-weight:600;border-color:#f0c96b}
@media(max-width:760px){.polish-grid{grid-template-columns:1fr}}