:root{
  --primary:#1a6b4c; --secondary:#0d3b66; --bg:#f4f6f9; --line:#e6eaf0;
  --txt:#1f2933; --muted:#6b7785; --card:#fff; --danger:#d64545;
}
*{box-sizing:border-box;}
body{margin:0;font-family:"PingFang SC","Microsoft YaHei",-apple-system,sans-serif;background:var(--bg);color:var(--txt);}
.hidden{display:none!important;}
.btn-primary{display:inline-flex;align-items:center;gap:6px;background:var(--primary);color:#fff;border:none;border-radius:8px;padding:10px 18px;font-size:14px;cursor:pointer;font-weight:600;transition:.2s;}
.btn-primary:hover{background:var(--secondary);}
.btn-ghost{background:#fff;color:var(--secondary);border:1px solid var(--line);border-radius:8px;padding:9px 16px;font-size:14px;cursor:pointer;}
.btn-ghost:hover{border-color:var(--primary);color:var(--primary);}
.btn-danger{background:#fff;color:var(--danger);border:1px solid #f0c5c5;border-radius:8px;padding:8px 14px;font-size:13px;cursor:pointer;}
.btn-danger:hover{background:#fdeaea;}

/* ===== 登录 ===== */
.login-wrap{position:fixed;inset:0;display:flex;align-items:center;justify-content:center;background:linear-gradient(135deg,#0d3b66 0%,#1a6b4c 100%);z-index:50;padding:20px;}
.login-card{background:#fff;border-radius:18px;padding:38px 34px;width:380px;max-width:92vw;box-shadow:0 24px 70px rgba(0,0,0,.28);}
.login-logo{display:flex;align-items:center;gap:8px;justify-content:center;font-size:18px;font-weight:800;color:var(--secondary);margin-bottom:10px;}
.logo-icon{display:inline-flex;align-items:center;justify-content:center;width:30px;height:30px;border-radius:8px;background:var(--primary);color:#fff;font-size:16px;font-weight:800;}
.login-card h2{text-align:center;margin:6px 0 4px;color:var(--secondary);font-size:22px;}
.login-sub{text-align:center;color:var(--muted);font-size:13px;margin:0 0 24px;}
.login-label{display:block;font-size:13px;font-weight:600;color:var(--txt);margin-bottom:8px;}
.login-input-row{margin-bottom:18px;}
.login-card input{width:100%;padding:13px 14px;border:1.5px solid var(--line);border-radius:10px;font-size:15px;outline:none;transition:.2s;}
.login-card input:focus{border-color:var(--primary);box-shadow:0 0 0 3px rgba(26,107,76,.12);}
.login-btn{width:100%;padding:14px;font-size:15px;font-weight:700;letter-spacing:2px;color:#fff;background:var(--primary);border:none;border-radius:10px;cursor:pointer;transition:.2s;}
.login-btn:hover{background:var(--secondary);}
.login-btn:active{transform:translateY(1px);}
.login-err{color:var(--danger);font-size:13px;text-align:center;min-height:18px;margin:12px 0 0;}
.login-tip{color:var(--muted);font-size:12px;text-align:center;margin-top:18px;line-height:1.6;}

/* ===== 框架 ===== */
.admin{display:flex;min-height:100vh;}
.admin-side{width:248px;background:#0f2740;color:#cfd8e3;display:flex;flex-direction:column;position:fixed;top:0;bottom:0;left:0;}
.admin-brand{display:flex;align-items:center;gap:8px;padding:20px 20px;font-size:16px;font-weight:800;color:#fff;border-bottom:1px solid rgba(255,255,255,.08);}
.admin-nav{flex:1;padding:14px 12px;overflow-y:auto;}
.nav-grp{font-size:11px;color:#7c8da3;padding:16px 12px 7px;letter-spacing:1px;font-weight:700;}
.nav-item{display:flex;align-items:center;gap:10px;padding:11px 14px;border-radius:9px;color:#cfd8e3;text-decoration:none;font-size:14px;cursor:pointer;margin-bottom:3px;transition:.15s;}
.nav-item .nav-ic{width:20px;text-align:center;font-size:15px;}
.nav-item:hover{background:rgba(255,255,255,.07);color:#fff;}
.nav-item.active{background:var(--primary);color:#fff;font-weight:600;}
.admin-side-foot{padding:14px 12px 18px;border-top:1px solid rgba(255,255,255,.08);}
.side-link{display:block;color:#cfd8e3;text-decoration:none;font-size:13px;padding:9px 12px;border-radius:8px;cursor:pointer;background:none;border:none;text-align:left;width:100%;}
.side-link:hover{background:rgba(255,255,255,.07);color:#fff;}
.btn-logout{color:#f0a9a9;}

.admin-main{margin-left:248px;flex:1;display:flex;flex-direction:column;min-height:100vh;}
.admin-top{display:flex;justify-content:space-between;align-items:center;padding:16px 28px;background:#fff;border-bottom:1px solid var(--line);position:sticky;top:0;z-index:5;}
.admin-top h1{margin:0;font-size:20px;color:var(--secondary);}
.admin-crumb{margin:4px 0 0;font-size:13px;color:var(--muted);}
.admin-top-right{display:flex;align-items:center;gap:12px;}
.mode-tag{font-size:12px;padding:4px 10px;border-radius:20px;background:#e8f3ee;color:var(--primary);font-weight:600;}
.mode-tag.static{background:#fdf0e3;color:#b9742a;}
.dirty-dot{font-size:12px;color:var(--danger);font-weight:600;}

/* ===== 内容区 ===== */
.admin-content{padding:26px 28px;max-width:1180px;}
.panel{background:var(--card);border:1px solid var(--line);border-radius:12px;padding:22px;margin-bottom:20px;}
.panel h3{margin:0 0 4px;font-size:16px;color:var(--secondary);}
.panel .ph{font-size:13px;color:var(--muted);margin:0 0 16px;line-height:1.6;}

/* 双栏：左表单 + 右模板预览 */
.split{display:grid;grid-template-columns:1fr 1fr;gap:22px;align-items:start;}
.col-title{font-size:13px;font-weight:700;color:var(--secondary);margin:0 0 12px;display:flex;align-items:center;gap:6px;}
.preview-col{position:sticky;top:84px;}

.field{margin-bottom:16px;}
.field label{display:block;font-size:13px;font-weight:600;margin-bottom:6px;color:var(--txt);}
.field input,.field textarea,.field select{width:100%;padding:10px 12px;border:1px solid var(--line);border-radius:8px;font-size:14px;font-family:inherit;outline:none;background:#fff;color:var(--txt);}
.field input:focus,.field textarea:focus{border-color:var(--primary);box-shadow:0 0 0 3px rgba(26,107,76,.1);}
.field textarea{min-height:84px;resize:vertical;line-height:1.6;}
.field-row{display:flex;gap:14px;}.field-row .field{flex:1;}
.hint{font-size:12px;color:var(--muted);margin-top:4px;}

/* ===== 图片编辑字段 ===== */
.img-field{display:flex;gap:14px;align-items:flex-start;}
.img-prev-wrap{flex:0 0 130px;}
.img-prev{width:130px;height:92px;object-fit:cover;border-radius:8px;border:1px solid var(--line);background:#f3f5f8;display:block;}
.img-prev-empty{display:flex;align-items:center;justify-content:center;color:var(--muted);font-size:12px;}
.img-controls{flex:1;display:flex;flex-direction:column;gap:8px;min-width:0;}
.img-sel{width:100%;padding:9px 10px;border:1px solid var(--line);border-radius:8px;font-size:13px;font-family:inherit;background:#fff;color:var(--txt);}
.img-sel:focus{border-color:var(--primary);box-shadow:0 0 0 3px rgba(26,107,76,.1);}
.img-url{width:100%;padding:9px 10px;border:1px solid var(--line);border-radius:8px;font-size:13px;font-family:inherit;background:#fff;color:var(--txt);}
.img-url:focus{border-color:var(--primary);box-shadow:0 0 0 3px rgba(26,107,76,.1);}
@media(max-width:760px){.img-field{flex-direction:column;}.img-prev-wrap{flex:0 0 auto;}.img-prev{width:100%;height:140px;}}
.tpl-ex{background:#f0f6f3;border:1px dashed #bfe0d2;color:#2f6b54;border-radius:6px;padding:6px 10px;font-size:12px;margin-top:6px;}
.tpl-ex b{color:#1a6b4c;}

/* ===== 仪表盘模块卡片 ===== */
.module-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(230px,1fr));gap:16px;}
.module-card{background:var(--card);border:1px solid var(--line);border-radius:14px;padding:20px;cursor:pointer;transition:.18s;}
.module-card:hover{border-color:var(--primary);box-shadow:0 8px 22px rgba(26,107,76,.08);transform:translateY(-2px);}
.module-card .mc-ic{font-size:26px;}
.module-card .mc-t{font-size:16px;font-weight:700;margin:10px 0 4px;color:var(--secondary);}
.module-card .mc-d{font-size:13px;color:var(--muted);line-height:1.6;}
.module-card .mc-go{margin-top:12px;font-size:13px;color:var(--primary);font-weight:600;}

.stat-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(150px,1fr));gap:16px;margin-bottom:22px;}
.stat-box{background:var(--card);border:1px solid var(--line);border-radius:12px;padding:18px;}
.stat-box .n{font-size:24px;font-weight:800;color:var(--primary);}
.stat-box .l{font-size:13px;color:var(--muted);margin-top:4px;}

/* ===== 列表项（内容补充） ===== */
.item-card{border:1px solid var(--line);border-radius:10px;padding:14px;margin-bottom:12px;background:#fafbfc;}
.item-card .item-head{display:flex;justify-content:space-between;align-items:center;margin-bottom:8px;}
.item-card .item-title{font-weight:700;font-size:14px;color:var(--secondary);}
.dash-row{display:flex;gap:12px;flex-wrap:wrap;}
.empty{color:var(--muted);font-size:14px;padding:16px;text-align:center;border:1px dashed var(--line);border-radius:10px;}

/* ===== 模板预览（前台效果） ===== */
.preview-box{border:1px solid var(--line);border-radius:12px;overflow:hidden;background:#fff;}
.preview-hd{background:#0f2740;color:#fff;font-size:12px;padding:8px 14px;display:flex;align-items:center;gap:6px;}
.mock-header{display:flex;align-items:center;justify-content:space-between;padding:12px 16px;background:#fff;border-bottom:1px solid #eee;}
.mock-logo{display:flex;align-items:center;gap:8px;font-weight:800;color:var(--secondary);}
.mock-nav{display:flex;gap:14px;font-size:12px;color:#555;}
.mock-hero{background:linear-gradient(135deg,#0d3b66,#1a6b4c);color:#fff;padding:34px 24px;text-align:center;}
.mock-hero h2{margin:0 0 10px;font-size:22px;line-height:1.4;}
.mock-hero h2 span{color:#9fe0c4;}
.mock-hero p{margin:0 0 16px;font-size:13px;opacity:.9;line-height:1.7;}
.mock-cta-btn{display:inline-block;background:#fff;color:var(--secondary);padding:8px 18px;border-radius:20px;font-size:13px;font-weight:700;}
.mock-body{padding:16px;}
.mock-card{border:1px solid #eee;border-radius:10px;padding:12px 14px;margin-bottom:10px;}
.mock-card .mc-date{font-size:11px;color:var(--muted);}
.mock-card .mc-title{font-weight:700;color:var(--secondary);margin:4px 0;}
.mock-card .mc-text{font-size:13px;color:#444;line-height:1.6;}
.mock-faq-q{font-weight:700;color:var(--secondary);font-size:14px;margin-bottom:4px;}
.mock-faq-a{font-size:13px;color:#444;line-height:1.7;margin-bottom:12px;}
.mock-footer{background:#0f2740;color:#cfd8e3;padding:16px;font-size:12px;line-height:1.8;}
.mock-footer .mf-strong{color:#fff;font-weight:700;}

/* ===== 数据管理 ===== */
.dm-actions{display:flex;gap:12px;flex-wrap:wrap;margin-bottom:18px;}
.backup-list{font-size:13px;color:var(--muted);}
.backup-list div{padding:6px 0;border-bottom:1px solid var(--line);}
.raw-box{width:100%;min-height:260px;font-family:ui-monospace,Menlo,Consolas,monospace;font-size:12px;border:1px solid var(--line);border-radius:8px;padding:12px;background:#fbfcfe;color:#334;}

/* ===== toast ===== */
.toast{position:fixed;bottom:30px;left:50%;transform:translateX(-50%) translateY(20px);background:#0f2740;color:#fff;padding:12px 22px;border-radius:10px;font-size:14px;opacity:0;pointer-events:none;transition:.25s;z-index:99;}
.toast.show{opacity:1;transform:translateX(--50%) translateY(0);}
.toast.err{background:#b3302f;}

@media(max-width:920px){
  .split{grid-template-columns:1fr;}
  .preview-col{position:static;}
}
@media(max-width:760px){
  .admin-side{width:100%;position:relative;flex-direction:row;height:auto;}
  .admin-nav{flex-direction:row;flex-wrap:wrap;padding:8px;}
  .nav-grp{display:none;}
  .admin-side-foot{flex-direction:row;}
  .admin-main{margin-left:0;}
  .field-row{flex-direction:column;gap:0;}
}