:root{
  --bg:#f5f7fb; --card:#fff; --line:#e6eaf2; --line-soft:#eff2f8;
  --text:#1b2333; --muted:#6b7690; --muted-2:#98a2b8;
  --primary:#4f46e5; --primary-2:#4338ca; --primary-weak:#eef0ff;
  --ok:#0b8f5e; --ok-weak:#e7f8f0; --warn:#c2410c; --warn-weak:#fff3ea;
  --danger:#dc2626; --danger-weak:#fdeceb; --info:#2563eb; --info-weak:#eaf2fd;
  --radius:12px; --radius-sm:8px;
  --shadow:0 1px 2px rgba(20,30,60,.04),0 6px 18px -8px rgba(20,30,60,.10);
  --mono:"SFMono-Regular",Consolas,"Liberation Mono",Menlo,monospace;
}
*{box-sizing:border-box}
html,body{margin:0;padding:0}
body{
  background:var(--bg); color:var(--text);
  font:14px/1.6 -apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Hiragino Sans GB","Microsoft YaHei",sans-serif;
  -webkit-font-smoothing:antialiased;
}
a{color:var(--primary);text-decoration:none}
a:hover{color:var(--primary-2)}
h1,h2,h3,h4{margin:0;font-weight:600;color:#131a29}
p{margin:0}
code,.mono{font-family:var(--mono);font-size:12.5px}
code{background:#f3f5fa;border:1px solid var(--line);border-radius:5px;padding:1px 5px}
.ico{flex:none;vertical-align:-2px}

/* ---------- 布局 ---------- */
.app{display:flex;min-height:100vh}
.side{
  width:228px;flex:none;background:#fff;border-right:1px solid var(--line);
  display:flex;flex-direction:column;position:sticky;top:0;height:100vh;
}
.brand{display:flex;align-items:center;gap:10px;padding:18px 18px 14px}
.brand-mark{
  width:34px;height:34px;border-radius:10px;flex:none;
  background:linear-gradient(135deg,#4f46e5,#0ea5a4);color:#fff;
  display:flex;align-items:center;justify-content:center;
  box-shadow:0 4px 12px -4px rgba(79,70,229,.6);
}
.brand-txt{display:flex;flex-direction:column;line-height:1.25}
.brand-txt strong{font-size:14.5px;letter-spacing:.2px}
.brand-txt span{font-size:11.5px;color:var(--muted-2)}
.nav{flex:1;overflow-y:auto;padding:6px 10px 18px}
.nav-group{font-size:11px;color:var(--muted-2);letter-spacing:.8px;padding:14px 10px 6px;font-weight:600}
.nav-item{
  display:flex;align-items:center;gap:9px;padding:8px 10px;border-radius:9px;
  color:#3c4762;font-size:13.5px;margin-bottom:2px;transition:.14s;
}
.nav-item:hover{background:#f5f7fd;color:var(--text)}
.nav-item.on{background:var(--primary-weak);color:var(--primary);font-weight:600}
.nav-badge{
  margin-left:auto;background:#eef1f7;color:#5b6684;font-size:11px;font-weight:600;
  padding:1px 7px;border-radius:20px;min-width:20px;text-align:center;
}
.nav-badge.danger{background:var(--danger-weak);color:var(--danger)}
.side-foot{border-top:1px solid var(--line-soft);padding:12px 16px;display:flex;align-items:center;gap:8px;font-size:12.5px;color:var(--muted)}
.sf-line{display:flex;align-items:center;gap:6px}
.sf-out{margin-left:auto;color:var(--muted-2);font-size:12.5px}
.sf-out:hover{color:var(--danger)}

.main{flex:1;min-width:0;display:flex;flex-direction:column}
.topbar{
  height:64px;display:flex;align-items:center;gap:20px;
  padding:0 26px;background:rgba(255,255,255,.88);backdrop-filter:blur(8px);
  border-bottom:1px solid var(--line);position:sticky;top:0;z-index:20;
}
.tb-title{min-width:0}
.topbar h1{font-size:17px;letter-spacing:.2px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.topbar .sub{font-size:12.5px;color:var(--muted);margin-top:2px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.topbar .sub b{color:var(--text);font-weight:600}
.top-search{position:relative;margin-left:auto;width:min(420px,36vw)}
.top-search input{
  width:100%;height:34px;padding:0 12px 0 32px;border:1px solid var(--line);
  border-radius:20px;font-size:13px;background:#f8fafc;
}
.top-search input:focus{background:#fff;outline:none;border-color:#a5b4fc;box-shadow:0 0 0 3px rgba(79,70,229,.10)}
.ts-ico{position:absolute;left:11px;top:9px;color:var(--muted-2)}
.top-actions{display:flex;align-items:center;gap:8px;flex:none}
.chip{
  display:inline-flex;align-items:center;gap:5px;background:#fff;border:1px solid var(--line);
  padding:4px 10px;border-radius:20px;font-size:12px;color:var(--muted);
}
.content{padding:20px 26px 48px;max-width:1560px;width:100%}

/* ---------- 卡片 ---------- */
.card{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow);margin-bottom:18px;overflow:hidden}
.card-head{display:flex;align-items:flex-start;justify-content:space-between;gap:16px;padding:16px 18px;border-bottom:1px solid var(--line-soft)}
.card-head h2{font-size:14.5px}
.card-head p{font-size:12.5px;color:var(--muted);margin-top:3px}
.card-actions{display:flex;align-items:center;gap:8px;flex-wrap:wrap}
.card-body{padding:16px 18px}
.card-body.tight{padding:0}
.grid{display:grid;gap:16px}
.g4{grid-template-columns:repeat(4,1fr)}
.g3{grid-template-columns:repeat(3,1fr)}
.g2{grid-template-columns:repeat(2,1fr)}
.g2-1{grid-template-columns:1.7fr 1fr}
.grid>*{min-width:0}
.card,.card-body{min-width:0}
.stack{display:flex;flex-direction:column;gap:16px}
.stack .card{margin-bottom:0}
@media(max-width:1240px){.g4{grid-template-columns:repeat(2,1fr)}.g3,.g2,.g2-1{grid-template-columns:1fr}}

/* 指标卡 */
.stat{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:16px 18px;box-shadow:var(--shadow);position:relative;overflow:hidden}
.stat .lab{font-size:12.5px;color:var(--muted);display:flex;align-items:center;gap:6px}
.stat .num{font-size:28px;font-weight:650;letter-spacing:-.5px;margin-top:6px;line-height:1.25;word-break:break-all}
.stat .num small{font-size:12px;color:var(--muted);font-weight:400;margin-left:4px}
.stat .foot{font-size:12px;color:var(--muted-2);margin-top:6px}
.stat.accent::after{content:"";position:absolute;right:-30px;top:-30px;width:90px;height:90px;border-radius:50%;background:var(--primary-weak);opacity:.7}
.stat.ok .num{color:var(--ok)} .stat.warn .num{color:var(--warn)} .stat.danger .num{color:var(--danger)}

/* 归档柱状 */
.bars{display:flex;align-items:flex-end;justify-content:flex-start;gap:8px;min-height:190px;padding-top:8px}
.bar-item{flex:0 0 58px;display:flex;flex-direction:column;align-items:center;justify-content:flex-end;gap:6px}
.bar-item:hover .bar-col{background:var(--primary-2)}
.bar-val{font-size:10.5px;color:var(--muted-2);font-variant-numeric:tabular-nums}
.bar-col{width:100%;max-width:44px;border-radius:6px 6px 3px 3px;background:linear-gradient(180deg,#6366f1,#4f46e5);min-height:6px;transition:.16s;flex:none}
.bar-col.pending{background:#e2e8f0}
.bar-lab{font-size:11.5px;color:var(--muted)}
.bar-hint{align-self:center;margin-left:18px;font-size:12px;color:var(--muted-2);line-height:1.9;max-width:300px}

/* 服务商 */
.prov-row{display:flex;align-items:center;gap:10px;padding:10px 0;border-bottom:1px dashed var(--line-soft)}
.prov-row:last-of-type{border-bottom:none}
.prov-ico{width:30px;height:30px;border-radius:9px;background:var(--primary-weak);color:var(--primary);display:flex;align-items:center;justify-content:center;flex:none}
.prov-main{flex:1;min-width:0}
.prov-name{font-size:13px;font-weight:600}
.prov-sub{font-size:11.5px;color:var(--muted-2)}
.prov-num{text-align:right}
.prov-num b{display:block;font-size:16px}
.prov-num span{font-size:11px;color:var(--muted-2)}
.prov-stats{display:flex;gap:18px;padding:10px 0;border-bottom:1px dashed var(--line-soft);margin-bottom:4px}
.prov-stats div{display:flex;flex-direction:column}
.prov-stats b{font-size:15px}
.prov-stats span{font-size:11px;color:var(--muted-2)}

/* 时间线 */
.tl{list-style:none;margin:0;padding:0}
.tl li{display:flex;gap:10px;padding:7px 0;border-bottom:1px dashed var(--line-soft)}
.tl li:last-child{border-bottom:none}
.tl-dot{width:7px;height:7px;border-radius:50%;background:var(--muted-2);margin-top:7px;flex:none}
.tl-dot.add{background:var(--ok)} .tl-dot.remove{background:var(--danger)} .tl-dot.modify{background:var(--warn)}
.tl-main{min-width:0;flex:1}
.tl-top{font-size:12.5px}
.tl-val{font-size:12px;color:var(--muted);font-family:var(--mono);overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.tl-time{font-size:11px;color:var(--muted-2)}

.alert-row{display:flex;gap:8px;align-items:flex-start;padding:8px 0;border-bottom:1px dashed var(--line-soft);font-size:13px}
.alert-row:last-child{border-bottom:none}
.ok-note{display:flex;align-items:center;gap:8px;color:var(--ok);font-size:13px;padding:6px 0}

/* ---------- 表格 ---------- */
.table-wrap{overflow-x:auto}
table.tb{width:100%;border-collapse:collapse;font-size:13px}
table.tb th{
  text-align:left;font-size:12px;font-weight:600;color:var(--muted);
  background:#fafbfe;padding:10px 14px;border-bottom:1px solid var(--line);white-space:nowrap;
}
table.tb td{padding:11px 14px;border-bottom:1px solid var(--line-soft);vertical-align:middle}
table.tb tr:last-child td{border-bottom:none}
table.tb tbody tr:hover{background:#fafbff}
table.tb td.num{font-variant-numeric:tabular-nums;color:var(--muted)}
table.tb .d{font-weight:600;color:#111a2b}
table.tb .rc{font-variant-numeric:tabular-nums}
table.tb .small{font-size:12px;color:var(--muted)}
.nowrap{white-space:nowrap}
.right{text-align:right}
.val-cell{max-width:520px}
.val-cell .val{display:inline;word-break:break-all}
.copy-btn{border:none;background:none;color:#b6bfd2;cursor:pointer;padding:2px 4px;vertical-align:middle;border-radius:4px}
.copy-btn:hover{color:var(--primary);background:var(--primary-weak)}
.host-link{border-bottom:1px dashed transparent}
.host-link:hover{border-bottom-color:var(--primary)}
.table-tools{display:flex;align-items:center;justify-content:space-between;gap:12px;padding:12px 16px;border-bottom:1px solid var(--line-soft);flex-wrap:wrap}

/* 徽标 */
.badge{display:inline-flex;align-items:center;gap:4px;font-size:12px;padding:2px 8px;border-radius:20px;font-weight:500;white-space:nowrap;line-height:1.7}
.badge-ok{background:var(--ok-weak);color:var(--ok)}
.badge-warn{background:var(--warn-weak);color:var(--warn)}
.badge-danger{background:var(--danger-weak);color:var(--danger)}
.badge-info{background:var(--info-weak);color:var(--info)}
.badge-muted{background:#f1f3f8;color:#6b7690}
.badge-primary{background:var(--primary-weak);color:var(--primary)}

/* 记录类型 */
.rtype{display:inline-block;font-family:var(--mono);font-size:11px;font-weight:600;padding:1px 7px;border-radius:5px;letter-spacing:.3px;background:#eef1f7;color:#5b6684}
.rtype.type-a{background:#e8f0fe;color:#1a56c4}
.rtype.type-aaaa{background:#ede9fe;color:#5b21b6}
.rtype.type-cname{background:#e6f7f2;color:#0b7a56}
.rtype.type-mx{background:#fff2e3;color:#b45309}
.rtype.type-txt{background:#f2f0ff;color:#6d28d9}
.rtype.type-ns{background:#eff3f8;color:#475569}
.rtype.type-srv{background:#e8f7fd;color:#0369a1}
.rtype.type-caa{background:#fdeff4;color:#9d174d}

/* 按钮 */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:6px;
  height:34px;padding:0 14px;border-radius:9px;border:1px solid var(--line);
  background:#fff;color:#2b3550;font-size:13px;cursor:pointer;font-weight:500;
  transition:.14s;white-space:nowrap;font-family:inherit;
}
.btn:hover{border-color:#cdd5e6;background:#fbfcff;color:#2b3550}
.btn:active{transform:translateY(.5px)}
.btn-primary{background:var(--primary);border-color:var(--primary);color:#fff;box-shadow:0 4px 12px -6px rgba(79,70,229,.8)}
.btn-primary:hover{background:var(--primary-2);border-color:var(--primary-2);color:#fff}
.btn-sm{height:30px;padding:0 11px;font-size:12.5px}
.btn-xs{height:26px;padding:0 9px;font-size:12px;border-radius:7px;gap:4px}
.btn-block{width:100%}
.btn[disabled]{opacity:.55;cursor:not-allowed}
.acts{display:flex;gap:5px;flex-wrap:wrap}
.inline{display:inline}

/* 表单 */
.form-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:14px 18px}
.form-grid .full{grid-column:1/-1}
@media(max-width:900px){.form-grid{grid-template-columns:1fr}}
.field label{display:block;font-size:12.5px;color:#495573;margin-bottom:6px;font-weight:500}
.field .hint{font-size:12px;color:var(--muted-2);margin-top:5px}
input[type=text],input[type=password],input[type=number],input[type=email],select,textarea{
  width:100%;height:36px;padding:0 11px;border:1px solid #dfe4ef;border-radius:9px;
  font-size:13.5px;color:var(--text);background:#fff;font-family:inherit;transition:.15s;
}
textarea{height:auto;padding:9px 11px;line-height:1.6;resize:vertical}
input:focus,select:focus,textarea:focus{outline:none;border-color:#a5b4fc;box-shadow:0 0 0 3px rgba(79,70,229,.10)}
input::placeholder,textarea::placeholder{color:#aab3c5}
select{appearance:none;background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 24 24' fill='none' stroke='%236b7690' stroke-width='2'%3E%3Cpath d='M6 9l6 6 6-6'/%3E%3C/svg%3E");background-repeat:no-repeat;background-position:right 11px center;padding-right:30px}
.check{display:inline-flex;align-items:center;gap:7px;font-size:13px;color:#3c4762;cursor:pointer}
input[type=checkbox],input[type=radio]{accent-color:var(--primary);width:15px;height:15px}
.toolbar{display:flex;flex-wrap:wrap;align-items:center;gap:10px;margin-bottom:14px}
.toolbar .grow{flex:1}
.search-box{position:relative}
.search-box input{padding-left:32px;height:34px;width:240px}
.search-box .ico{position:absolute;left:10px;top:9px;color:var(--muted-2)}

/* 标签页 */
.tabs{display:flex;gap:4px;border-bottom:1px solid var(--line);margin:6px 0 16px}
.tab{padding:9px 14px;font-size:13.5px;color:var(--muted);border-bottom:2px solid transparent;margin-bottom:-1px}
.tab b{font-weight:600;color:var(--muted-2);margin-left:5px;font-size:12px}
.tab:hover{color:var(--text)}
.tab.on{color:var(--primary);border-bottom-color:var(--primary);font-weight:600}
.tab.on b{color:var(--primary)}

/* 分段 */
.seg{display:inline-flex;background:#eef1f7;border-radius:9px;padding:3px}
.seg-i{padding:5px 12px;border-radius:7px;font-size:12.5px;color:var(--muted)}
.seg-i.on{background:#fff;color:var(--text);font-weight:600;box-shadow:0 1px 3px rgba(20,30,60,.10)}

/* 提示 */
.flash{padding:10px 14px;border-radius:10px;margin-bottom:14px;font-size:13px;border:1px solid;display:flex;align-items:center;gap:8px;flex-wrap:wrap}
.flash-success{background:var(--ok-weak);border-color:#c3eddc;color:#0b7a56}
.flash-error{background:var(--danger-weak);border-color:#f7cfcf;color:#a52424}
.flash-info{background:var(--info-weak);border-color:#cfe6fa;color:#1864ab}
.flash-warn{background:var(--warn-weak);border-color:#ffdec2;color:#a94308}
.empty{padding:44px 20px;text-align:center;color:var(--muted)}
.empty .ico{color:#c6cddd;margin-bottom:10px}
.empty p{font-size:14px;color:#46536f;margin-bottom:4px}
.empty span{font-size:12.5px;color:var(--muted-2)}

/* 分页 */
.pager{display:flex;align-items:center;gap:6px;padding:14px 18px;border-top:1px solid var(--line-soft);flex-wrap:wrap}
.pg{min-width:30px;height:30px;padding:0 9px;display:inline-flex;align-items:center;justify-content:center;border-radius:8px;border:1px solid var(--line);font-size:13px;color:#3c4762;background:#fff}
.pg:hover{background:#f7f9ff;border-color:#cdd5e6}
.pg.active{background:var(--primary);border-color:var(--primary);color:#fff}
.pg.disabled{color:#c2c9d8;background:#fafbfe}
.pg-info{margin-left:auto;font-size:12.5px;color:var(--muted-2)}

/* 详情 */
.kv{display:grid;grid-template-columns:110px 1fr;gap:8px 14px;font-size:13px;margin:0}
.kv dt{color:var(--muted);font-size:12.5px}
.kv dd{margin:0;color:var(--text);word-break:break-all}

/* 弹窗 */
.modal-mask{position:fixed;inset:0;background:rgba(15,23,42,.42);display:none;align-items:center;justify-content:center;z-index:90;padding:20px}
.modal-mask.on{display:flex}
.modal-mask[hidden]{display:none}
.modal{background:#fff;border-radius:14px;width:min(760px,100%);max-height:88vh;overflow:auto;box-shadow:0 24px 60px -20px rgba(15,23,42,.45)}
.modal-head{display:flex;align-items:center;justify-content:space-between;padding:16px 20px;border-bottom:1px solid var(--line-soft);position:sticky;top:0;background:#fff;z-index:2}
.modal-head h3{font-size:15px}
.modal-body{padding:18px 20px}
.modal-foot{display:flex;justify-content:flex-end;gap:8px;padding:14px 20px;border-top:1px solid var(--line-soft);background:#fcfdff}
.close-x{border:none;background:none;font-size:20px;line-height:1;color:var(--muted);cursor:pointer;padding:4px}

/* 历史弹窗内容 */
.hist-head{display:flex;align-items:center;gap:10px;flex-wrap:wrap;margin-bottom:12px}
.hist-fqdn{font-family:var(--mono);font-size:14px;font-weight:600}
.hist-cur{background:var(--ok-weak);border:1px solid #c3eddc;border-radius:9px;padding:10px 12px;font-size:12.5px;color:#0b7a56;margin-bottom:14px}
.hist-cur .mono{font-size:12.5px;background:none;border:none;padding:0;color:#0b5c41}
table.hist{width:100%;border-collapse:collapse;font-size:12.5px}
table.hist th{text-align:left;color:var(--muted);font-weight:600;padding:8px 10px;background:#fafbfe;border-bottom:1px solid var(--line);font-size:12px}
table.hist td{padding:9px 10px;border-bottom:1px solid var(--line-soft);vertical-align:top}
table.hist tr.diff td{background:#fff6f6}
table.hist .v{font-family:var(--mono);word-break:break-all}
table.hist .v.red{color:var(--danger)}
.tag-ok{background:var(--ok-weak);color:var(--ok);border-radius:6px;padding:1px 7px;font-size:11.5px;white-space:nowrap}
.tag-diff{background:var(--danger-weak);color:var(--danger);border-radius:6px;padding:1px 7px;font-size:11.5px;white-space:nowrap}

/* toast */
.toast-wrap{position:fixed;right:20px;bottom:20px;display:flex;flex-direction:column;gap:8px;z-index:120}
.toast{background:#16233c;color:#fff;padding:10px 16px;border-radius:10px;font-size:13px;box-shadow:0 12px 30px -10px rgba(0,0,0,.5)}
.toast.err{background:#9f1f1f}
.toast.ok{background:#0b6b4d}

/* 登录 */
.login-body{background:radial-gradient(1200px 520px at 12% -12%,#e6e9ff,transparent),var(--bg)}
.login-shell{min-height:100vh;display:grid;grid-template-columns:1.15fr 1fr}
.login-left{padding:56px 64px;display:flex;flex-direction:column;justify-content:center;background:linear-gradient(150deg,#eef1ff 0%,#f7f8ff 55%,#eefaf9 100%);border-right:1px solid var(--line)}
.ll-brand{display:flex;align-items:center;gap:10px;margin-bottom:42px}
.ll-brand .brand-mark{width:38px;height:38px;border-radius:11px}
.ll-brand strong{display:block;font-size:15px}
.ll-brand span{font-size:12px;color:var(--muted-2)}
.login-left h1{font-size:34px;line-height:1.35;letter-spacing:-.5px;color:#111a2b}
.ll-desc{font-size:13.5px;color:#4b5673;margin-top:16px;max-width:430px;line-height:1.9}
.ll-list{list-style:none;padding:0;margin:32px 0 0}
.ll-list li{display:flex;align-items:center;gap:8px;font-size:13px;color:#3c4762;margin-bottom:10px}
.ll-list .ico{color:var(--primary)}
.login-right{display:flex;align-items:center;justify-content:center;padding:32px}
.login-card{width:min(380px,92%);background:#fff;border:1px solid var(--line);border-radius:16px;padding:30px;box-shadow:0 30px 70px -46px rgba(20,30,60,.55)}
.login-card h2{font-size:19px}
.login-card .tip{color:var(--muted);font-size:12.5px;margin:4px 0 18px}
.login-card .field{margin-bottom:14px}
.login-card .btn{width:100%;height:40px;margin-top:6px}
.login-foot{text-align:center;font-size:11.5px;color:var(--muted-2);margin-top:16px;line-height:1.7}
@media(max-width:980px){.login-shell{grid-template-columns:1fr}.login-left{display:none}}

/* 其它 */
.divider{height:1px;background:var(--line-soft);margin:16px 0}
.subhead{font-size:12px;color:var(--muted);letter-spacing:.4px;margin:0 0 8px;font-weight:600}
.tips{margin:0;padding-left:18px;font-size:13px;color:#3c4762;line-height:2}
.tips code{font-size:12px}
.restore-steps{margin:0;padding-left:20px;font-size:13px;line-height:2;color:#3c4762}
.text-ok{color:var(--ok)} .text-warn{color:var(--warn)} .text-danger{color:var(--danger)} .text-muted{color:var(--muted)}
.fs12{font-size:12px}
.mt8{margin-top:8px}.mt12{margin-top:12px}.mt16{margin-top:16px}.mb8{margin-bottom:8px}
.flex{display:flex;align-items:center;gap:8px}
.flex-wrap{flex-wrap:wrap}
.ml-auto{margin-left:auto}
pre.code{background:#0f172a;color:#cbd5e1;border-radius:10px;padding:14px;font-family:var(--mono);font-size:12px;line-height:1.8;overflow:auto;white-space:pre-wrap;word-break:break-all;margin:0}