body{margin:0;font-family:"Microsoft YaHei",Arial,sans-serif;color:#333;line-height:1.6}
.container{max-width:960px;margin:0 auto;padding:0 16px}
.site-header{background:#2c3e50;color:#fff;padding:16px 0}
.site-header .container{display:flex;justify-content:space-between;align-items:center;flex-wrap:wrap;gap:8px}
.brand{color:#fff;font-size:22px;font-weight:bold;text-decoration:none}
.site-nav a{color:#ddd;margin-left:12px;text-decoration:none}
.site-nav a:hover{color:#fff}
.site-nav .active,.site-nav a.active{color:#fff;font-weight:bold}
main.container{min-height:60vh;padding-top:24px}
.hero{background:#ecf0f1;padding:32px;border-radius:8px;margin-bottom:24px}
.hero h1{margin:0 0 8px}
.trees li{margin-bottom:8px}
.site-footer{background:#2c3e50;color:#aaa;padding:16px 0;margin-top:32px;font-size:13px}
table{width:100%;border-collapse:collapse}
th,td{border:1px solid #ddd;padding:6px 10px;text-align:left}
th{background:#f5f5f5}
.auth-page{background:#ecf0f1;display:flex;justify-content:center;align-items:center;min-height:100vh}
.auth-box{background:#fff;padding:32px;border-radius:8px;box-shadow:0 0 12px rgba(0,0,0,.1);width:320px}
.auth-box form label{display:block;margin:12px 0}
.auth-box input{width:100%;box-sizing:border-box;padding:6px;margin-top:4px}
.auth-box button{width:100%;padding:8px;background:#2980b9;color:#fff;border:0;border-radius:4px;cursor:pointer}
.auth-box h1{font-size:20px;text-align:center}
.btn{display:inline-block;padding:6px 14px;background:#2980b9;color:#fff;border:0;border-radius:4px;cursor:pointer;text-decoration:none;font-size:14px}
.btn:hover{opacity:.9;color:#fff}
.btn-danger{background:#c0392b}
.btn-ghost{background:#ecf0f1;color:#333;border:1px solid #bdc3c7}
.btn-sm{padding:3px 8px;font-size:13px}
.form-row{margin:10px 0}
.form-row label{display:block;margin-bottom:4px;font-weight:bold;font-size:14px}
.form-row input[type=text],.form-row input[type=number],.form-row select,.form-row textarea{width:100%;box-sizing:border-box;padding:6px}
.form-inline input,.form-inline select{padding:5px}
.muted{color:#888;font-size:13px}
.badge{display:inline-block;background:#ecf0f1;border-radius:3px;padding:1px 6px;font-size:12px;margin-left:4px}
.fact-table td.fact-tag{width:110px;font-weight:bold}
.grid-2{display:flex;gap:24px;flex-wrap:wrap;align-items:flex-start}
.grid-2 > div{flex:1;min-width:260px}
.tabs{margin:16px 0}
.tabs a{margin-right:12px;color:#2980b9;text-decoration:none}
.tab-btn{padding:6px 14px;border:1px solid #bdc3c7;background:#fff;border-radius:3px 3px 0 0;cursor:pointer;margin-right:-1px}
.tab-btn.active{background:#2980b9;color:#fff;border-color:#2980b9}
.pager{margin:16px 0}
.pager a,.pager span{margin-right:6px}
.sidebar{width:200px;flex:0 0 200px}
.main-content{flex:1;min-width:0}
.lang-list{list-style:none;padding:0;margin:0}
.lang-list li{margin:4px 0}
.lang-list a{text-decoration:none;color:#2980b9}
.stat-list li{margin-bottom:6px}
.left-box{float:left;width:180px;padding-right:20px}
.right-box{margin-left:200px}
.task-err{color:#c0392b;white-space:pre-line;font-size:12px}
.task-warn{color:#b9770e;white-space:pre-line;font-size:12px}
.btn-sm{padding:2px 8px;font-size:12px}
.btn-ghost{background:#fff;border:1px solid #bdc3c7}
.lang-switch{margin-left:12px;padding:3px 6px;border-radius:3px}
.theme-switch{margin-left:8px;padding:3px 6px;border-radius:3px}
.theme-toggle{margin-left:10px;padding:4px 8px;border:1px solid #7f8c8d;background:transparent;color:#fff;border-radius:4px;cursor:pointer}
.site-nav select.lang-switch,.site-nav select.theme-switch{color:#333}
/* ===== 暗色主题 ===== */
[data-theme="dark"] body{background:#1b1f24;color:#d3d8de}
[data-theme="dark"] .hero{background:#262c33}
[data-theme="dark"] table th,td{border-color:#3a424c;background:transparent}
[data-theme="dark"] th{background:#262c33}
[data-theme="dark"] a{color:#6ab0f3}
[data-theme="dark"] .muted{color:#9aa4af}
[data-theme="dark"] input,[data-theme="dark"] select,[data-theme="dark"] textarea{background:#20252b;color:#d3d8de;border:1px solid #3a424c}
[data-theme="dark"] .btn-ghost{background:#262c33;color:#d3d8de;border-color:#3a424c}
[data-theme="dark"] .auth-page{background:#15191d}
[data-theme="dark"] .auth-box{background:#20252b;box-shadow:0 0 12px rgba(0,0,0,.4)}
[data-theme="dark"] .badge{background:#3a424c}
[data-theme="dark"] .task-err{color:#f1948a}
[data-theme="dark"] .task-warn{color:#f7dc6f}
[data-theme="dark"] .tab-btn{background:#20252b;color:#d3d8de;border-color:#3a424c}
[data-theme="dark"] .report-body{color:#d3d8de}
[data-theme="dark"] table.rep td,table.rep th{border-color:#3a424c}
[data-theme="dark"] .row-even{background:#20252b}