/* ============================================================
   授权中心样式。整体走浅色、通透、留白充足的路线，
   与邮箱端保持一致的观感，但配色更偏"产品官网"。
   ============================================================ */
*{box-sizing:border-box}
:root{
  --bg:#fbfcfe; --panel:#fff; --ink:#111827; --muted:#6b7280; --line:#e8ecf2;
  --brand:#4f46e5; --brand-d:#4338ca; --ok:#16a34a; --warn:#d97706; --danger:#dc2626;
  --shadow:0 1px 3px rgba(17,24,39,.05);
}
body{margin:0;background:var(--bg);color:var(--ink);line-height:1.65;
  font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Microsoft YaHei",sans-serif;
  font-size:14px;-webkit-font-smoothing:antialiased}
a{color:var(--brand);text-decoration:none}
a:hover{text-decoration:underline}
h1,h2,h3{margin:0 0 10px;line-height:1.3}
.wrap{max-width:1140px;margin:0 auto;padding:0 22px}
.muted{color:var(--muted)}
.spacer{flex:1}
code{font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;font-size:12.5px;
  background:rgba(0,0,0,.04);padding:2px 6px;border-radius:5px}

/* ---- 按钮 ---- */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:6px;
  padding:9px 18px;border:1px solid transparent;border-radius:9px;background:var(--brand);color:#fff;
  font-size:13.5px;font-weight:500;cursor:pointer;transition:background .14s,transform .14s,box-shadow .14s;
  font-family:inherit;text-decoration:none}
.btn:hover{background:var(--brand-d);text-decoration:none;color:#fff}
.btn:active{transform:translateY(1px)}
.btn.ghost{background:#fff;color:var(--ink);border-color:var(--line)}
.btn.ghost:hover{background:#f5f7fb;color:var(--ink);border-color:#d5dbe6}
.btn.danger{background:var(--danger)}
.btn.danger:hover{background:#b91c1c}
.btn.sm{padding:6px 13px;font-size:12.5px;border-radius:7px}
.btn.lg{padding:13px 28px;font-size:15px;border-radius:11px}
.btn.full{width:100%}

/* ---- 表单 ---- */
label{display:block;font-size:13px;font-weight:500;margin:14px 0 6px}
input,select,textarea{width:100%;padding:9px 12px;border:1px solid var(--line);border-radius:9px;
  font-size:13.5px;font-family:inherit;background:#fff;color:var(--ink);outline:none;transition:border-color .14s,box-shadow .14s}
input:focus,select:focus,textarea:focus{border-color:var(--brand);box-shadow:0 0 0 3px rgba(79,70,229,.12)}
textarea{resize:vertical;line-height:1.6}
textarea.mono,input.mono{font-family:ui-monospace,Menlo,Consolas,monospace;font-size:12.5px}
.grid2{display:grid;grid-template-columns:1fr 1fr;gap:14px}
.grid2>div label:first-child{margin-top:0}
.checks{display:flex;flex-wrap:wrap;gap:18px;margin-top:14px}
.checks.col{flex-direction:column;gap:10px}
.checks label{display:flex;align-items:center;gap:8px;margin:0;font-weight:400}
.checks input[type=checkbox]{width:auto;margin:0}
.narrow{max-width:380px}

/* ---- 卡片 / 提示 ---- */
.card{background:var(--panel);border:1px solid var(--line);border-radius:14px;padding:22px 24px;
  margin-bottom:18px;box-shadow:var(--shadow)}
.card h2{font-size:16px;font-weight:600}
.card h3{font-size:14px;font-weight:600;margin-top:20px}
.alert{padding:11px 15px;border-radius:10px;margin-bottom:16px;font-size:13.5px}
.alert.ok{background:#ecfdf5;border:1px solid #a7f3d0;color:#065f46}
.alert.err{background:#fef2f2;border:1px solid #fecaca;color:#991b1b}
.note{background:#fffbeb;border:1px solid #fde68a;color:#92400e;padding:11px 14px;border-radius:9px;font-size:13px}
.empty{text-align:center;color:var(--muted);padding:34px 0;font-size:13.5px}
.code{background:#0f172a;color:#e2e8f0;padding:14px 16px;border-radius:10px;white-space:pre-wrap;
  font-family:ui-monospace,Menlo,Consolas,monospace;font-size:12.5px;line-height:1.7;overflow-x:auto;margin:8px 0}
.code.big{font-size:18px;letter-spacing:.06em;text-align:center;color:#7dd3fc}
.pill{display:inline-block;padding:2px 9px;border-radius:20px;font-size:11.5px;font-weight:500;
  background:#eef1f6;color:var(--muted);white-space:nowrap}
.pill.green{background:#dcfce7;color:#15803d}
.pill.amber{background:#fef3c7;color:#b45309}
.pill.blue{background:#dbeafe;color:#1d4ed8}
.pill.gray{background:#eef1f6;color:#6b7280}
.amt{color:var(--brand);font-weight:600}

/* ---- 表格 ---- */
table{width:100%;border-collapse:collapse;font-size:13.5px}
th{text-align:left;font-size:11.5px;font-weight:600;color:var(--muted);letter-spacing:.05em;
  padding:10px 8px;border-bottom:1px solid var(--line);white-space:nowrap}
td{padding:11px 8px;border-bottom:1px solid var(--line);vertical-align:middle}
tr:last-child td{border-bottom:none}
.ops{display:flex;gap:6px;flex-wrap:wrap;align-items:center}
.ops form{margin:0}
.inl{display:flex;gap:5px;align-items:center}
.inl input{width:auto;padding:5px 8px;font-size:12px}
.lk{font-size:11.5px}

/* ---- 顶部导航（前台）---- */
.nav{position:sticky;top:0;z-index:50;background:rgba(255,255,255,.88);
  -webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px);border-bottom:1px solid var(--line)}
.nav-in{max-width:1140px;margin:0 auto;padding:0 22px;height:62px;display:flex;align-items:center;gap:26px}
.brand{display:flex;align-items:center;gap:9px;font-size:16px;font-weight:700;color:var(--ink)}
.brand:hover{text-decoration:none;color:var(--ink)}
.brand.center{justify-content:center;margin-bottom:20px;font-size:18px}
.brand-dot{width:10px;height:10px;border-radius:3px;background:linear-gradient(135deg,#6366f1,#a855f7)}
.nav-links{display:flex;gap:4px}
.nav-links a{padding:7px 13px;border-radius:8px;color:var(--muted);font-size:13.5px}
.nav-links a:hover{background:#f3f5f9;color:var(--ink);text-decoration:none}
.nav-links a.on{color:var(--brand);font-weight:600}
.nav-right{margin-left:auto;display:flex;gap:8px;align-items:center}

/* ---- 首页 Hero ---- */
.hero{padding:70px 0 60px;background:linear-gradient(180deg,#f5f3ff 0%,var(--bg) 100%)}
.hero-in{max-width:1140px;margin:0 auto;padding:0 22px;display:grid;grid-template-columns:1.05fr .95fr;gap:50px;align-items:center}
.hero-badge{display:inline-block;padding:5px 13px;border-radius:20px;background:#ede9fe;color:#6d28d9;
  font-size:12.5px;font-weight:500;margin-bottom:18px}
.hero-txt h1{font-size:44px;font-weight:800;letter-spacing:-.03em;line-height:1.18}
.hero-txt h1 span{background:linear-gradient(135deg,#6366f1,#a855f7);-webkit-background-clip:text;
  background-clip:text;-webkit-text-fill-color:transparent}
.hero-txt p{font-size:15.5px;color:var(--muted);margin:18px 0 26px;max-width:480px}
.hero-btns{display:flex;gap:12px;flex-wrap:wrap}
.hero-meta{margin-top:18px;font-size:12.5px;color:var(--muted)}
/* ---- 区块标题 ---- */
.sec-t{font-size:26px;font-weight:700;text-align:center;letter-spacing:-.02em;margin-top:56px}
.sec-s{text-align:center;color:var(--muted);margin:0 0 30px}
.page{padding:36px 0 60px}
.page-t{font-size:26px;font-weight:700;letter-spacing:-.02em;margin-bottom:18px}
.narrow-page{max-width:720px}

/* ---- 功能卡 ---- */
.fgrid{display:grid;grid-template-columns:repeat(auto-fit,minmax(268px,1fr));gap:18px}
.fcard{background:#fff;border:1px solid var(--line);border-radius:14px;padding:22px;transition:transform .16s,box-shadow .16s}
.fcard:hover{transform:translateY(-3px);box-shadow:0 10px 28px rgba(17,24,39,.07)}
.fico{font-size:24px;margin-bottom:10px}
.fcard h3{font-size:15px;font-weight:600}
.fcard p{margin:0;font-size:13px;color:var(--muted)}

/* ---- 套餐 ---- */
/* 方案并排：套餐数量增加时自动收窄而不是换行挤下去；
   超过容器宽度才横向滚动，保证一眼能看到全部方案对比 */
.plans{display:flex;gap:18px;margin-top:8px;align-items:stretch;
  overflow-x:auto;padding:12px 2px 6px;scroll-snap-type:x proximity}
.plans>.plan{flex:1 1 0;min-width:252px;max-width:340px;scroll-snap-align:start}
.plans::-webkit-scrollbar{height:6px}
.plans::-webkit-scrollbar-thumb{background:#d5dbe6;border-radius:4px}
.plan{position:relative;background:#fff;border:1px solid var(--line);border-radius:16px;padding:26px 24px;
  display:flex;flex-direction:column;transition:transform .16s,box-shadow .16s}
.plan:hover{transform:translateY(-3px);box-shadow:0 12px 32px rgba(17,24,39,.08)}
.plan.hot{border-color:var(--brand);box-shadow:0 8px 30px rgba(79,70,229,.14)}
.plan-hot{position:absolute;top:-11px;left:50%;transform:translateX(-50%);background:var(--brand);color:#fff;
  padding:3px 14px;border-radius:20px;font-size:11.5px;font-weight:600}
.plan-n{font-size:16px;font-weight:600}
.plan-p{font-size:38px;font-weight:800;letter-spacing:-.03em;margin:10px 0 4px}
.plan-p .cur{font-size:19px;font-weight:600;vertical-align:super;margin-right:2px}
.plan-p .free{font-size:30px;color:var(--ok)}
.plan-d{font-size:12.5px;color:var(--muted);margin-bottom:16px}
.plan-f{list-style:none;padding:0;margin:0 0 20px;flex:1}
.plan-f li{position:relative;padding:6px 0 6px 22px;font-size:13px;border-bottom:1px dashed #f0f2f6;
  line-height:1.7;word-break:keep-all;overflow-wrap:anywhere}
.plan-f li:last-child{border-bottom:none}
.plan-f li::before{content:"✓";position:absolute;left:0;color:var(--ok);font-weight:700}
.pay-sel{margin-bottom:10px}

/* ---- 对比表 ---- */
.cmp table td:not(:first-child),.cmp table th:not(:first-child){text-align:center;width:150px}
.cmp .yes{color:var(--ok);font-weight:600}
.cmp .no{color:#cbd5e1}

/* ---- 广告位 ---- */
.ad{display:flex;align-items:center;gap:14px;background:#fff;border:1px solid var(--line);
  border-radius:12px;padding:14px 16px;margin:18px 0;position:relative;color:var(--ink)}
.ad:hover{text-decoration:none;box-shadow:var(--shadow)}
.ad img{width:64px;height:64px;object-fit:cover;border-radius:9px;flex:0 0 auto}
.ad-body{display:flex;flex-direction:column;gap:3px}
.ad-body span{font-size:12.5px;color:var(--muted)}
.ad-tag{position:absolute;top:8px;right:10px;font-size:10px;color:#b6bcc7;border:1px solid #e6e9ef;
  padding:0 5px;border-radius:4px}

/* ---- 登录页 ---- */
body.auth{display:flex;flex-direction:column;min-height:100vh;min-height:100dvh;
  background:linear-gradient(160deg,#f5f3ff,#fbfcfe 60%)}
.auth-box{flex:1;display:flex;flex-direction:column;justify-content:center;
  width:100%;max-width:400px;margin:auto;padding:32px 20px}
.auth-box .card{margin:0}
.auth-box h1{font-size:20px;font-weight:700;margin-bottom:14px}
.auth-alt{text-align:center;margin-top:16px;font-size:13px;color:var(--muted)}

/* ---- 会员中心 ---- */
.ctabs{display:flex;gap:4px;margin-bottom:18px;border-bottom:1px solid var(--line)}
.ctabs a{padding:10px 16px;font-size:13.5px;color:var(--muted);border-bottom:2px solid transparent}
.ctabs a:hover{color:var(--ink);text-decoration:none}
.ctabs a.on{color:var(--brand);border-bottom-color:var(--brand);font-weight:600}
.lic{border:1px solid var(--line);border-radius:11px;padding:14px 16px;margin-bottom:10px}
.lic.off{opacity:.6}
.lic-k{font-family:ui-monospace,Menlo,Consolas,monospace;font-size:16px;font-weight:600;letter-spacing:.04em}
.lic-m{display:flex;gap:14px;flex-wrap:wrap;margin-top:7px;font-size:12.5px;color:var(--muted)}
.od-row{display:flex;justify-content:space-between;padding:11px 0;border-bottom:1px solid var(--line)}
.od-row:last-child{border-bottom:none}
.od-row span{color:var(--muted);font-size:13px}
.pays{display:flex;gap:22px;flex-wrap:wrap;margin:14px 0}
.pay{text-align:center}
.pay-t{font-size:13px;color:var(--muted);margin-bottom:8px}
.pay img{width:170px;height:170px;object-fit:contain;border:1px solid var(--line);border-radius:11px;padding:8px;background:#fff}

/* ---- 后台 ---- */
body.admin-body{background:#f6f7fb}
.anav{position:sticky;top:0;z-index:50;height:56px;display:flex;align-items:center;gap:14px;
  padding:0 22px;background:#fff;border-bottom:1px solid var(--line)}
.awho{display:flex;flex-direction:column;align-items:flex-end;line-height:1.25;font-size:13px;font-weight:500}
.amail{font-size:11.5px;color:var(--muted);font-weight:400}
.alayout{display:flex;min-height:calc(100vh - 56px)}
.aside{width:206px;flex:0 0 auto;background:#fff;border-right:1px solid var(--line);padding:14px 10px;
  position:sticky;top:56px;height:calc(100vh - 56px);overflow-y:auto}
.aside a{display:block;padding:9px 12px;border-radius:9px;color:#4b5563;font-size:13.5px;margin-bottom:2px}
.aside a:hover{background:#f3f5f9;text-decoration:none;color:var(--ink)}
.aside a.on{background:#eef2ff;color:var(--brand);font-weight:600}
.aside-t{font-size:11px;color:#9ca3af;letter-spacing:.09em;margin:14px 12px 6px}
.amain{flex:1;min-width:0;padding:24px 26px}
.ptop{display:flex;align-items:center;gap:12px;flex-wrap:wrap;margin-bottom:16px}
.ptop .page-t{margin:0}
.srch{display:flex;gap:8px;margin-left:auto;align-items:center}
.srch input,.srch select{width:auto;padding:7px 11px;font-size:13px}
.kpis{display:grid;grid-template-columns:repeat(auto-fit,minmax(180px,1fr));gap:16px;margin-bottom:18px}
.kpi{background:#fff;border:1px solid var(--line);border-radius:13px;padding:17px 19px;box-shadow:var(--shadow)}
.kpi-k{font-size:12.5px;color:var(--muted)}
.kpi-v{font-size:27px;font-weight:700;letter-spacing:-.02em;margin-top:3px}
.kpi-s{font-size:11.5px;color:var(--muted);margin-top:2px}
.two{display:grid;grid-template-columns:1fr 1fr;gap:18px}
.bars30{display:flex;align-items:flex-end;gap:3px;height:130px;margin-top:14px}
.b30{flex:1;height:100%;display:flex;align-items:flex-end}
.b30-f{width:100%;background:linear-gradient(180deg,#818cf8,#4f46e5);border-radius:3px 3px 0 0;min-height:2px}
.b30-x{display:flex;justify-content:space-between;font-size:11px;color:var(--muted);margin-top:6px}

/* ---- 后台 tab ---- */
.tabs{display:flex;gap:2px;border-bottom:1px solid var(--line);margin-bottom:18px;overflow-x:auto}
.tabs .tab{padding:10px 16px;font-size:13.5px;color:var(--muted);border-bottom:2px solid transparent;white-space:nowrap}
.tabs .tab:hover{color:var(--ink);text-decoration:none}
.tabs .tab.on{color:var(--brand);border-bottom-color:var(--brand);font-weight:600}
.pane{display:none}

/* ---- 弹窗 ---- */
.modal{position:fixed;inset:0;background:rgba(15,23,42,.42);display:none;align-items:center;
  justify-content:center;z-index:200;padding:20px}
.modal.open{display:flex}
.mbox{background:#fff;border-radius:16px;width:100%;max-width:430px;overflow:hidden;
  box-shadow:0 24px 60px rgba(0,0,0,.26);max-height:90vh;display:flex;flex-direction:column}
.mbox.wide{max-width:620px}
.mhead{display:flex;align-items:center;justify-content:space-between;padding:16px 20px;
  border-bottom:1px solid var(--line);font-weight:600;font-size:15px}
.mx{background:none;border:none;cursor:pointer;font-size:15px;color:var(--muted);padding:2px 7px;border-radius:6px}
.mx:hover{background:#f1f3f7;color:var(--ink)}
.mbody{padding:18px 20px;overflow-y:auto}
.mbody label:first-child{margin-top:0}
.mfoot{display:flex;justify-content:flex-end;gap:8px;padding:14px 20px;border-top:1px solid var(--line);background:#fafbfd}

/* ---- 页脚 ---- */
.foot{border-top:1px solid var(--line);background:#fff;margin-top:60px}
.foot-in{max-width:1140px;margin:0 auto;padding:26px 22px;display:flex;justify-content:space-between;
  gap:18px;flex-wrap:wrap;font-size:12.5px;color:var(--muted)}
.foot-links{display:flex;gap:18px;flex-wrap:wrap}

@media(max-width:900px){
  .hero-in{grid-template-columns:1fr;gap:34px}
  .hero-txt h1{font-size:33px}
  .hero-art{display:none}
  .two,.grid2{grid-template-columns:1fr}
  .nav-links{display:none}
  .aside{position:static;width:100%;height:auto;border-right:none;border-bottom:1px solid var(--line);
    display:flex;overflow-x:auto;gap:4px;padding:8px}
  .aside a{white-space:nowrap;margin:0}
  .aside-t{display:none}
  .alayout{flex-direction:column}
  .amain{padding:16px 14px}
  .srch{margin-left:0;width:100%}
  .cmp table td:not(:first-child),.cmp table th:not(:first-child){width:auto}
}

/* 管理员在会员中心时的后台入口提示：
   两个"中心"容易混淆，给管理员一条明确的指路条 */
.adminbar{display:flex;align-items:center;gap:14px;flex-wrap:wrap;margin-bottom:18px;
  padding:13px 17px;border-radius:12px;background:linear-gradient(135deg,#eef2ff,#faf5ff);
  border:1px solid #ddd6fe;font-size:13.5px}
.adminbar a{margin-left:auto}

/* 后台右上角管理员菜单 */
.amenu{position:relative;display:flex;align-items:center;height:100%}
.awho{display:flex;align-items:center;gap:9px;padding:6px 11px;border-radius:9px;cursor:default;
  font-size:13.5px;transition:background .13s}
.amenu:hover .awho{background:#f3f5f9}
.aav{width:27px;height:27px;border-radius:50%;background:var(--brand);color:#fff;font-size:12.5px;
  font-weight:600;display:flex;align-items:center;justify-content:center;flex:0 0 auto}
.aname{font-weight:500}
.acaret{font-size:10px;color:var(--muted)}
.adrop{position:absolute;top:calc(100% - 4px);right:0;min-width:220px;background:#fff;
  border:1px solid var(--line);border-radius:12px;box-shadow:0 12px 34px rgba(0,0,0,.14);padding:6px;
  opacity:0;visibility:hidden;transform:translateY(-6px);
  transition:opacity .14s,transform .14s,visibility .14s;z-index:120}
.amenu:hover .adrop{opacity:1;visibility:visible;transform:translateY(0)}
.ad-head{padding:10px 12px 8px}
.ad-title{font-weight:600;font-size:14px}
.ad-sub{font-size:12px;color:var(--muted);margin-top:2px}
.ad-div{height:1px;background:var(--line);margin:4px 0}
.adrop a{display:block;padding:9px 12px;border-radius:8px;font-size:13.5px;color:var(--ink)}
.adrop a:hover{background:#f3f5f9;text-decoration:none}
@media(max-width:900px){.aname{display:none}}

/* ---- 广告管理：按位置分组的卡片布局 ---- */
.adgroup{background:#fff;border:1px solid var(--line);border-radius:14px;margin-bottom:18px;overflow:hidden}
.adgroup-head{display:flex;align-items:center;gap:12px;padding:14px 18px;border-bottom:1px solid var(--line);
  background:#fafbfd;flex-wrap:wrap}
.adgroup-head b{font-size:14.5px}
.adgroup-note{display:block;font-size:12px;color:var(--muted);margin-top:2px}
.adgroup-n{margin-left:auto;font-size:12px;color:var(--muted)}
/* 与客户端一致：卡片数不足时均分剩余空间，横幅素材能铺满 */
.adcards{display:grid;grid-template-columns:repeat(auto-fit,minmax(min(100%,320px),1fr));
  gap:14px;padding:16px 18px}
.adcards:has(.adcard:only-child){grid-template-columns:1fr}
.adcard{display:flex;flex-direction:column;border:1px solid var(--line);border-radius:11px;overflow:hidden;
  transition:box-shadow .15s}
.adcard:hover{box-shadow:0 6px 18px rgba(17,24,39,.08)}
.adcard.off{opacity:.55}
/* 广告预览与客户端展示保持一致：
   未设宽高时图片按原始比例铺满容器宽度（不裁剪），设了就按设定值。
   之前用固定高度 + object-fit:cover 会裁掉图片，导致后台看到的和
   客户端显示的不是一回事。 */
.adcard-prev{background:#f5f6fa;display:flex;align-items:center;justify-content:center;
  overflow:hidden;min-height:60px}
.adcard-prev img{width:100%;height:auto;display:block;object-fit:fill}
.adcard-prev.fixed{align-items:stretch}
.adcard-prev.fixed img{height:100%;object-fit:contain}
.adcard-html,.adcard-none{font-size:12.5px;color:var(--muted)}
.adcard-body{padding:12px 14px;flex:1}
.adcard-t{font-weight:600;font-size:14px}
.adcard-d{font-size:12.5px;color:var(--muted);margin-top:3px;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.adcard-meta{display:flex;gap:9px;flex-wrap:wrap;align-items:center;margin-top:9px;font-size:11.5px;color:var(--muted)}
.adcard-stat{font-size:11.5px;color:var(--muted);margin-top:6px}
.adcard-ops{display:flex;gap:7px;padding:10px 14px;border-top:1px solid var(--line);background:#fafbfd}
.adcard-ops form{margin:0}
.adempty{padding:26px;text-align:center;color:var(--muted);font-size:13px}
.adtabs{display:flex;gap:4px;margin:16px 0 12px}
.adtab{padding:7px 15px;border:1px solid var(--line);background:#fff;border-radius:8px;cursor:pointer;
  font-size:13px;color:var(--muted);font-family:inherit}
.adtab.on{border-color:var(--brand);color:var(--brand);background:#eef2ff;font-weight:600}
.pay-amt{font-size:38px;font-weight:800;text-align:center;color:var(--brand);letter-spacing:-.02em}
.pay-plan{text-align:center;color:var(--muted);font-size:13px;margin-bottom:14px}
.payqr-wrap{display:flex;flex-direction:column;align-items:center;padding:16px 0}
.payqr-wrap #payQR{padding:10px;background:#fff;border:1px solid var(--line);border-radius:12px;line-height:0}
.paymethods{margin-top:16px;padding-top:14px;border-top:1px solid var(--line)}
.paym{display:inline-block;padding:6px 15px;margin:0 6px 6px 0;border:1px solid var(--line);
  border-radius:8px;font-size:13px;color:var(--ink)}
.paym:hover{border-color:var(--brand);color:var(--brand);text-decoration:none}
.paym.on{border-color:var(--brand);background:#eef2ff;color:var(--brand);font-weight:600}
.payres{font-size:13px;font-weight:600}
.payres.ok{color:var(--ok)}
.payres.bad{color:var(--danger)}

/* ============================================================
   首页：收件箱效果图（纯 CSS 绘制，不依赖任何图片）
   ============================================================ */
.mock{background:#fff;border:1px solid var(--line);border-radius:14px;overflow:hidden;
  box-shadow:0 22px 54px rgba(79,70,229,.16)}
.mock-bar{height:36px;background:#f7f8fb;border-bottom:1px solid var(--line);
  display:flex;align-items:center;gap:6px;padding:0 13px}
.mock-bar i{width:9px;height:9px;border-radius:50%;background:#e2e6ee;flex:0 0 auto}
.mock-bar i:first-child{background:#febc2e}
.mock-url{margin-left:12px;font-size:11px;color:var(--muted);background:#fff;border:1px solid var(--line);
  border-radius:20px;padding:2px 12px}
.mock-app{display:flex;height:284px}
.mock-side{width:118px;flex:0 0 auto;background:#faf9ff;border-right:1px solid var(--line);padding:12px 8px}
.mock-logo{font-size:11.5px;font-weight:700;color:var(--brand);padding:0 8px 10px}
.mock-nav{display:flex;align-items:center;gap:6px;padding:6px 8px;border-radius:7px;
  font-size:11px;color:#5b6478;margin-bottom:2px}
.mock-nav span{font-size:10px}
.mock-nav b{margin-left:auto;background:var(--brand);color:#fff;border-radius:9px;
  padding:0 5px;font-size:9.5px;font-weight:600}
.mock-nav.on{background:#e7e9fd;color:var(--brand);font-weight:600}
.mock-main{flex:1;min-width:0;display:flex;flex-direction:column}
.mock-head{display:flex;align-items:center;gap:10px;padding:10px 14px;border-bottom:1px solid var(--line)}
.mock-title{font-size:13px;font-weight:700}
.mock-search{margin-left:auto;font-size:10.5px;color:#a8b0bf;background:#f5f6fa;
  border-radius:20px;padding:4px 12px}
.mock-row{display:flex;gap:9px;padding:9px 14px;border-bottom:1px solid #f2f4f8;align-items:flex-start}
.mock-row.unread{background:#fcfcff;box-shadow:inset 2px 0 0 var(--brand)}
.mock-av{width:26px;height:26px;border-radius:50%;flex:0 0 auto;color:#fff;font-size:11px;
  display:flex;align-items:center;justify-content:center;font-weight:600}
.mock-av.a1{background:#6366f1}.mock-av.a2{background:#0ea5e9}
.mock-av.a3{background:#14b8a6}.mock-av.a4{background:#f59e0b}
.mock-c{flex:1;min-width:0}
.mock-l1{display:flex;align-items:baseline;gap:8px;font-size:11.5px}
.mock-l1 b{font-weight:600}
.mock-l1 i{margin-left:auto;font-style:normal;font-size:10px;color:#a8b0bf;flex:0 0 auto}
.mock-l2{font-size:11.5px;margin-top:2px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.mock-row.unread .mock-l2{font-weight:600}
.mock-l3{font-size:10.5px;color:#a8b0bf;margin-top:2px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.mock-cap{text-align:center;font-size:11.5px;color:var(--muted);margin-top:10px}

.hero-trust{display:flex;gap:18px;flex-wrap:wrap;margin-top:20px;font-size:12.5px;color:var(--muted)}

/* ---- 为什么自建 ---- */
.whygrid{display:grid;grid-template-columns:repeat(auto-fit,minmax(250px,1fr));gap:18px}
.why{background:#fff;border:1px solid var(--line);border-radius:14px;padding:24px 22px;
  transition:transform .16s,box-shadow .16s}
.why:hover{transform:translateY(-3px);box-shadow:0 12px 30px rgba(17,24,39,.08)}
.why-ico{font-size:26px;margin-bottom:10px}
.why h3{font-size:16px;font-weight:600}
.why p{margin:0;font-size:13px;color:var(--muted);line-height:1.75}

/* ---- 品牌形象对比 ---- */
.brandsec{background:linear-gradient(180deg,#faf9ff,#fff);padding:56px 0;margin-top:56px}
.brand-in{display:grid;grid-template-columns:1.05fr .95fr;gap:44px;align-items:center}
.brand-txt h2{font-size:26px;font-weight:700;letter-spacing:-.02em;margin-bottom:14px}
.brand-txt p{font-size:14.5px;color:var(--muted);line-height:1.85}
.cmp-bad{background:#fee2e2;color:#991b1b;padding:2px 8px;border-radius:5px}
.cmp-good{background:#dcfce7;color:#15803d;padding:2px 8px;border-radius:5px}
.brand-list{list-style:none;padding:0;margin:18px 0}
.brand-list li{position:relative;padding:8px 0 8px 26px;font-size:14px;line-height:1.7}
.brand-list li::before{content:"✓";position:absolute;left:0;top:8px;color:var(--ok);font-weight:700}
.brand-cmp{display:flex;flex-direction:column;gap:14px}
.cmpcard{border-radius:14px;padding:20px 22px;border:1px solid var(--line);background:#fff}
.cmpcard.bad{opacity:.85}
.cmpcard.good{border-color:#86efac;box-shadow:0 8px 26px rgba(22,163,74,.12)}
.cmp-h{font-size:12px;color:var(--muted);margin-bottom:8px}
.cmp-mail{font-family:ui-monospace,Menlo,Consolas,monospace;font-size:15px;font-weight:600;margin-bottom:12px}
.cmpcard.bad .cmp-mail{color:#b91c1c;text-decoration:line-through;opacity:.8}
.cmpcard.good .cmp-mail{color:#15803d}
.cmpcard ul{list-style:none;padding:0;margin:0}
.cmpcard li{font-size:12.5px;color:var(--muted);padding:3px 0 3px 18px;position:relative}
.cmpcard.bad li::before{content:"✕";position:absolute;left:0;color:#f87171}
.cmpcard.good li::before{content:"✓";position:absolute;left:0;color:var(--ok)}

/* ---- 三步上手 ---- */
.steps3{display:flex;align-items:stretch;gap:14px;flex-wrap:wrap;justify-content:center}
.s3{flex:1;min-width:210px;background:#fff;border:1px solid var(--line);border-radius:14px;padding:22px 20px;text-align:center}
.s3-n{width:34px;height:34px;border-radius:50%;background:var(--brand);color:#fff;font-weight:700;
  display:flex;align-items:center;justify-content:center;margin:0 auto 12px}
.s3 h3{font-size:15px;font-weight:600}
.s3 p{margin:0;font-size:12.5px;color:var(--muted);line-height:1.7}
.s3-arrow{display:flex;align-items:center;color:#cbd5e1;font-size:20px}

/* ---- 常见问题 ---- */
.faqs{max-width:820px;margin:0 auto}
.faq{background:#fff;border:1px solid var(--line);border-radius:12px;margin-bottom:10px;overflow:hidden}
.faq summary{padding:16px 20px;cursor:pointer;font-weight:500;font-size:14.5px;list-style:none;
  display:flex;align-items:center;gap:10px}
.faq summary::-webkit-details-marker{display:none}
.faq summary::before{content:"＋";color:var(--brand);font-weight:700;flex:0 0 auto}
.faq[open] summary::before{content:"－"}
.faq summary:hover{background:#fafbfd}
.faq-a{padding:0 20px 18px 44px;font-size:13.5px;color:var(--muted);line-height:1.85}

/* ---- 底部 CTA ---- */
.cta{margin-top:60px;padding:56px 0;background:linear-gradient(135deg,#4f46e5,#7c3aed);color:#fff;text-align:center}
.cta h2{font-size:27px;font-weight:700;letter-spacing:-.02em}
.cta p{opacity:.9;margin:10px 0 22px}
.cta .btn{background:#fff;color:var(--brand)}
.cta .btn:hover{background:#f1f2f7;color:var(--brand)}
.cta .btn.ghost{background:transparent;color:#fff;border-color:rgba(255,255,255,.5)}
.cta .btn.ghost:hover{background:rgba(255,255,255,.12);color:#fff}

/* ---- 部署教程 ---- */
.dtabs{display:flex;gap:6px;flex-wrap:wrap;margin-bottom:18px}
.dtab{padding:9px 17px;border:1px solid var(--line);background:#fff;border-radius:10px;cursor:pointer;
  font-size:13.5px;color:var(--muted);font-family:inherit}
.dtab.on{border-color:var(--brand);background:#eef2ff;color:var(--brand);font-weight:600}
.dlist{margin:10px 0;padding-left:20px}
.dlist li{padding:4px 0;font-size:13.5px;color:var(--muted)}
.dsteps{margin:12px 0;padding-left:22px}
.dsteps li{padding:10px 0;font-size:14px}
.dsteps li p{margin:5px 0 0;font-size:13px;color:var(--muted);line-height:1.75}
.dtable{margin-top:8px;font-size:13px}
.dtable th{width:110px;color:var(--muted);font-weight:500;vertical-align:top}

@media(max-width:900px){
  .brand-in{grid-template-columns:1fr;gap:28px}
  .s3-arrow{display:none}
  .mock-app{height:230px}
  .mock-side{width:96px}
}

/* ---- 功能网格：参考卡片式设计，图标独立方块 ---- */
.pillbadge{display:block;width:fit-content;margin:0 auto;padding:5px 15px;border-radius:20px;
  background:#ede9fe;color:#6d28d9;font-size:12.5px;font-weight:500}
.feats .fcard{background:#fff;border:1px solid var(--line);border-radius:14px;padding:24px 22px}
.feats .fico{width:44px;height:44px;border-radius:12px;background:#eef2ff;display:flex;
  align-items:center;justify-content:center;font-size:20px;margin-bottom:14px}
.feats .fcard h3{font-size:15px;font-weight:600;margin-bottom:7px}
.feats .fcard p{font-size:13px;color:var(--muted);line-height:1.75;margin:0}

/* ---- 下载区 ---- */
.dlsec{background:linear-gradient(180deg,#f7f9ff,#fff);padding:52px 0;margin-top:56px}
.dlgrid{display:grid;grid-template-columns:repeat(auto-fit,minmax(260px,1fr));gap:14px}
.dlcard{display:flex;gap:14px;align-items:flex-start;background:#fff;border:1px solid var(--line);
  border-radius:13px;padding:18px 20px;color:var(--ink);transition:transform .15s,box-shadow .15s}
.dlcard:hover{transform:translateY(-2px);box-shadow:0 10px 26px rgba(17,24,39,.08);text-decoration:none}
.dl-ico{width:38px;height:38px;border-radius:10px;background:#eef2ff;color:var(--brand);
  display:flex;align-items:center;justify-content:center;font-size:17px;font-weight:700;flex:0 0 auto}
.dl-ico.big{width:46px;height:46px;font-size:20px}
.dl-t{font-weight:600;font-size:14.5px}
.dl-m{display:flex;gap:10px;flex-wrap:wrap;font-size:12px;color:var(--muted);margin-top:4px}
.dl-n{font-size:12.5px;color:var(--muted);margin-top:6px}
.dl-hash{font-size:11px;color:var(--muted);margin-top:6px;word-break:break-all}
.dllist{display:flex;flex-direction:column;gap:12px}
.dlrow{display:flex;gap:16px;align-items:center;background:#fff;border:1px solid var(--line);
  border-radius:13px;padding:18px 20px;flex-wrap:wrap}
.dl-info{flex:1;min-width:220px}

/* ---- 联系方式 ---- */
.ctgrid{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:16px}
.ctcard{background:#fff;border:1px solid var(--line);border-radius:14px;padding:24px 20px;text-align:center}
.ct-ico{font-size:28px;margin-bottom:10px}
.ct-l{font-size:12.5px;color:var(--muted)}
.ct-v{font-size:16px;font-weight:600;margin-top:4px;word-break:break-all}
.ct-qr{width:140px;height:140px;object-fit:contain;margin-top:14px;border:1px solid var(--line);
  border-radius:10px;padding:6px;background:#fff}

/* ---- 文章 ---- */
.artgrid{display:grid;grid-template-columns:repeat(auto-fit,minmax(280px,1fr));gap:18px}
.artcard{display:flex;flex-direction:column;background:#fff;border:1px solid var(--line);
  border-radius:14px;overflow:hidden;color:var(--ink);transition:transform .15s,box-shadow .15s}
.artcard:hover{transform:translateY(-3px);box-shadow:0 12px 28px rgba(17,24,39,.09);text-decoration:none}
.art-cover{height:158px;background:#f1f3f8;overflow:hidden}
.art-cover img{width:100%;height:100%;object-fit:cover;display:block}
.art-b{padding:16px 18px;flex:1;display:flex;flex-direction:column}
.art-t{font-weight:600;font-size:15.5px;line-height:1.5}
.art-s{font-size:13px;color:var(--muted);margin-top:7px;line-height:1.7;flex:1;
  display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden}
.art-m{display:flex;gap:12px;font-size:11.5px;color:var(--muted);margin-top:12px}
.art-tags{display:flex;gap:6px;flex-wrap:wrap;margin-top:9px}
.art-tags span{font-size:11px;background:#eef2ff;color:var(--brand);padding:1px 9px;border-radius:20px}
.crumb{font-size:12.5px;color:var(--muted);margin-bottom:14px}
.post-t{font-size:30px;font-weight:800;letter-spacing:-.02em;line-height:1.35;margin-bottom:12px}
.post-meta{display:flex;gap:14px;align-items:center;flex-wrap:wrap;font-size:12.5px;
  color:var(--muted);padding-bottom:18px;border-bottom:1px solid var(--line)}
.post-cover{width:100%;border-radius:14px;margin:22px 0}
.post-body{font-size:15.5px;line-height:1.9;color:#374151;margin-top:22px}
.post-body h2{font-size:21px;margin:32px 0 12px;font-weight:700}
.post-body h3{font-size:17px;margin:26px 0 10px;font-weight:600}
.post-body p{margin:0 0 16px}
.post-body img{max-width:100%;height:auto;border-radius:10px;margin:14px 0}
.post-body ul,.post-body ol{margin:0 0 16px;padding-left:24px}
.post-body li{margin:6px 0}
.post-body blockquote{margin:16px 0;padding:12px 18px;border-left:3px solid var(--brand);
  background:#f7f8fc;border-radius:0 8px 8px 0;color:var(--muted)}
.post-body pre{background:#0f172a;color:#e2e8f0;padding:16px 18px;border-radius:10px;overflow-x:auto;
  font-size:13px;line-height:1.7;margin:16px 0}
.post-body pre code{background:none;color:inherit;padding:0}
.post-body a{text-decoration:underline}
.post-body table{margin:16px 0}

/* ---- 文章编辑器 ---- */
.edtoolbar{display:flex;gap:3px;flex-wrap:wrap;align-items:center;padding:9px 10px;margin-top:16px;
  border:1px solid var(--line);border-bottom:none;border-radius:10px 10px 0 0;background:#fafbfd}
.edtoolbar button{padding:5px 10px;border:1px solid transparent;background:none;border-radius:6px;
  cursor:pointer;font-size:13px;font-family:inherit;color:#4b5563}
.edtoolbar button:hover{background:#eef1f6;border-color:var(--line)}
.edtoolbar button.on{background:#eef2ff;color:var(--brand);border-color:#c7d2fe}
.edsep{width:1px;height:18px;background:var(--line);margin:0 5px}
.editor{width:100%;min-height:420px;border:1px solid var(--line);border-radius:0 0 10px 10px;
  padding:20px 22px;font-size:15px;line-height:1.9;outline:none;background:#fff;overflow-y:auto}
.editor:focus{border-color:var(--brand);box-shadow:0 0 0 3px rgba(79,70,229,.1)}
.editor img{max-width:100%;height:auto;border-radius:8px}
.editor pre{background:#0f172a;color:#e2e8f0;padding:14px 16px;border-radius:8px;overflow-x:auto;font-size:13px}
.editor blockquote{border-left:3px solid var(--brand);padding-left:14px;color:var(--muted);margin:12px 0}
textarea.editor{font-family:ui-monospace,Menlo,Consolas,monospace;font-size:13px;resize:vertical}

/* ---- 购买说明 ---- */
.buyhow{background:#f7f9ff;border:1px solid var(--line);border-radius:16px;padding:30px;margin:34px 0}
.buyhow h2{font-size:20px;font-weight:700;text-align:center}
.buyhow .muted{text-align:center}

/* ---- 页脚多列 ---- */
.foot-in{display:grid;grid-template-columns:2fr 1fr 1fr;gap:34px;align-items:start}
.foot-col h4{font-size:13px;font-weight:600;margin:0 0 10px;color:var(--ink)}
.foot-col a{display:block;font-size:13px;color:var(--muted);padding:4px 0}
.foot-col a:hover{color:var(--brand)}
.foot-desc{font-size:13px;color:var(--muted);line-height:1.75;margin:0;max-width:330px}
.foot-bot{border-top:1px solid var(--line);padding:16px 22px;max-width:1140px;margin:0 auto;
  display:flex;gap:16px;justify-content:space-between;flex-wrap:wrap;font-size:12.5px;color:var(--muted)}

/* 移动端导航 */
.navtoggle{display:none;background:none;border:none;font-size:20px;cursor:pointer;color:var(--ink);margin-left:auto}
@media(max-width:900px){
  .navtoggle{display:block}
  .nav-links{display:none;position:absolute;top:62px;left:0;right:0;background:#fff;
    border-bottom:1px solid var(--line);flex-direction:column;padding:8px;z-index:60}
  .nav-links.open{display:flex}
  .nav-links a{padding:11px 14px}
  .nav-right{margin-left:0}
  .foot-in{grid-template-columns:1fr;gap:22px}
  .post-t{font-size:23px}
  .plans>.plan{min-width:250px}
}
.geo{display:inline-block;padding:0 7px;border-radius:10px;background:rgba(0,0,0,.05);
  font-size:11px;color:var(--muted)}
.batchbar{display:flex;align-items:center;gap:14px;flex-wrap:wrap;padding:10px 2px 14px;
  border-bottom:1px solid var(--line);margin-bottom:8px;font-size:13px}
.batchbar label{margin:0;display:flex;align-items:center;gap:7px;font-weight:400}
.batchbar input[type=checkbox]{width:auto;margin:0}
.imgf-row{display:flex;gap:8px;align-items:center}
.imgf-url{flex:1;margin:0}
.imgf-prev{margin-top:8px}
.imgf-prev img{max-width:180px;max-height:120px;border:1px solid var(--line);border-radius:8px;display:block}
.imgf-msg{font-size:12px;margin-top:5px;color:var(--muted)}
.imgf-msg.ok{color:var(--ok)}
.imgf-msg.bad{color:var(--danger)}
.editor.dragging{border-color:var(--brand);background:#f8f9ff}
.cmp-vs{text-align:center;font-size:12px;font-weight:700;color:#cbd5e1;letter-spacing:.1em;margin:-2px 0}
.usecase{margin-top:44px;padding-top:36px;border-top:1px solid var(--line)}
.usecase h3{font-size:20px;font-weight:700;text-align:center}
.usecase>.muted{text-align:center;margin:6px 0 22px}
.ucgrid{display:grid;grid-template-columns:repeat(auto-fit,minmax(150px,1fr));gap:12px}
.uc{background:#fff;border:1px solid var(--line);border-radius:11px;padding:14px 16px;text-align:center;
  transition:border-color .15s,transform .15s}
.uc:hover{border-color:var(--brand);transform:translateY(-2px)}
.uc code{display:block;font-size:14px;font-weight:600;color:var(--brand);background:none;padding:0}
.uc span{display:block;font-size:12px;color:var(--muted);margin-top:4px}
.ucnote{text-align:center;font-size:13px;color:var(--muted);line-height:1.8;margin-top:20px;
  max-width:820px;margin-left:auto;margin-right:auto;text-wrap:balance}

/* 套餐卖点：像「客户端收发（IMAP/POP3/SMTP）」这种带括号的条目，
   默认会在中文与括号之间折行，看起来像断成了两条。
   keep-all 禁止在中日韩字符间断行，配合稍宽的卡片即可保持一行。 */
.plan-f li,.vipplan-f li{word-break:keep-all;overflow-wrap:normal;hyphens:none}
.foot-links-row{max-width:1140px;margin:0 auto;padding:16px 22px;border-top:1px solid var(--line);
  display:flex;align-items:center;gap:14px;flex-wrap:wrap;font-size:12.5px}
.fl-t{color:var(--muted);flex:0 0 auto}
.foot-links-row a{display:inline-flex;align-items:center;gap:6px;color:var(--muted)}
.foot-links-row a:hover{color:var(--brand)}
.foot-links-row img{width:16px;height:16px;object-fit:contain;border-radius:3px}

/* ---- 用户管理表格：信息密度高，需要更克制的排版 ---- */
.card table{width:100%;border-collapse:collapse}
.card table th{font-size:12px;font-weight:600;color:var(--muted);text-align:left;
  padding:11px 12px;background:#fafbfd;border-bottom:1px solid var(--line);white-space:nowrap}
.card table td{padding:13px 12px;border-bottom:1px solid #f2f4f8;vertical-align:middle;font-size:13.5px}
.card table tr:last-child td{border-bottom:none}
.card table tbody tr:hover{background:#fafbfd}
/* 操作列：按钮成组不换行，避免"删除"孤零零掉到第二行 */
td.ops{white-space:nowrap}
.ops{display:flex;gap:6px;align-items:center;flex-wrap:wrap}
.ops form{margin:0}
.ops .btn.sm{padding:4px 11px;font-size:12px;line-height:1.6}
/* 搜索框与按钮对齐 */
.srch{display:flex;gap:7px;align-items:center;margin-left:auto}
.srch input,.srch select{margin:0;height:34px;padding:0 11px;font-size:13px;width:auto;min-width:150px}
.srch .btn{height:34px;display:inline-flex;align-items:center}
.ptop{display:flex;align-items:center;gap:12px;flex-wrap:wrap;margin-bottom:16px}
.ptop .page-t{margin:0}
/* 归属地标签换行不挤 */
.geo{display:inline-block;margin-top:3px}
/* 用户表格：来源信息分两行，不再挤成一团 */
.utable td{vertical-align:top;padding:12px 11px}
.u-mail{font-weight:600;font-size:13.5px;word-break:break-all}
.u-nick{font-size:12px;color:var(--muted);margin-top:2px}
.u-plan{font-size:11.5px;color:var(--muted);margin-top:4px;line-height:1.5}
.u-sub{font-size:11.5px;color:var(--muted);margin-top:2px}
.u-src{font-size:12px;line-height:1.6}
.u-srcline{display:flex;align-items:center;gap:6px;flex-wrap:wrap;margin-bottom:4px}
.u-srcline:last-child{margin-bottom:0}
.u-tag{flex:0 0 auto;font-size:10.5px;color:var(--muted);background:rgba(0,0,0,.05);
  padding:1px 6px;border-radius:4px}
.u-src code{font-size:11.5px;background:none;padding:0}
.u-src .geo{font-size:10.5px;padding:0 6px}
/* 弹窗内的键值表 */
.kv{width:100%;border-collapse:collapse;font-size:13px;margin-bottom:4px}
.kv th{text-align:left;font-weight:500;color:var(--muted);padding:7px 9px;width:110px;
  background:#fafbfd;font-size:12px;white-space:nowrap}
.kv td{padding:7px 9px;border-bottom:1px solid #f2f4f8}
.kv tr:last-child td{border-bottom:none}
.grantbox{margin-top:14px;padding:13px 15px;border-radius:10px;background:#f7f9fc;
  border:1px solid var(--line)}
.grantrow{display:flex;gap:8px;align-items:center;flex-wrap:wrap;margin:0}
.grantrow select{width:auto;min-width:180px;margin:0}
.grantrow input{margin:0}

/* 用户表：紧凑化，去掉大片留白 */
.utable{table-layout:auto}
.utable th{padding:9px 10px;font-size:11.5px}
.utable td{padding:10px 10px;vertical-align:middle}
.utable .u-src{vertical-align:middle}
/* 操作列用图标按钮，四个能并排放下，不再换行 */
.uops{white-space:nowrap;text-align:right}
.uops form{display:inline;margin:0}
.ibtn{width:28px;height:28px;padding:0;border:1px solid var(--line);background:#fff;border-radius:7px;
  cursor:pointer;font-size:13px;line-height:1;margin-left:3px;vertical-align:middle;
  transition:border-color .13s,background .13s}
.ibtn:hover{border-color:var(--brand);background:#f5f8ff}
.ibtn.del:hover{border-color:var(--danger);background:#fef2f2}
/* 来源两行合并为紧凑双行 */
.u-srcline{margin-bottom:2px;font-size:11.5px}
.u-tag{font-size:10px;padding:0 5px}
.verup{margin-top:14px;padding:13px 15px;border:1px solid var(--line);border-radius:10px;background:#fafbfd}
.verup-h{font-size:12.5px;font-weight:600;color:var(--muted);margin-bottom:8px}
/* VIP 授权列不换行 */
.u-vip{white-space:nowrap}
.u-vip .u-plan{white-space:normal;font-size:11px}
/* IP / 归属地 / 系统三列各自紧凑双行 */
.u-ip,.u-geo,.u-os{font-size:11.5px;line-height:1.75}
.u-ip code{font-size:11.5px;background:none;padding:0}
.u-ip .u-tag{display:inline-block;width:16px;margin-right:4px;text-align:center;
  font-size:10px;color:var(--muted);background:rgba(0,0,0,.05);border-radius:3px}
.u-geo{color:var(--muted)}
.os-n{font-weight:500;color:var(--ink)}
.os-h{color:var(--muted);font-size:10.5px;font-family:ui-monospace,Menlo,Consolas,monospace}


/* ---- 用户表：进一步紧凑，消除大片留白 ---- */
.utable{table-layout:fixed;width:100%}
.utable th{padding:8px 8px;font-size:11.5px;white-space:nowrap}
.utable td{padding:9px 8px;vertical-align:middle;overflow:hidden}
/* 每列都不换行，超长用省略号——换行才是留白的元凶 */
.utable .u-mail{white-space:nowrap;overflow:hidden;text-overflow:ellipsis;font-size:13px}
.utable .u-nick{white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.u-vip,.u-vip .u-plan{white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.u-vip .u-plan{font-size:10.5px;margin-top:2px}
.u-ip>div,.u-geo>div{white-space:nowrap;overflow:hidden;text-overflow:ellipsis;line-height:1.65}
.u-geo{font-size:11px}
.os-n{white-space:nowrap;overflow:hidden;text-overflow:ellipsis;font-size:11.5px;line-height:1.5}
.os-h{white-space:nowrap;overflow:hidden;text-overflow:ellipsis;font-size:10px;margin-top:1px}
.u-ip{font-size:11px}
.u-ip .u-tag{width:14px;font-size:9.5px;margin-right:3px}
.uops{white-space:nowrap;text-align:right;padding-right:10px}
.ibtn{width:26px;height:26px;font-size:12px;margin-left:2px}
/* 消费列窄一点，数字居中不占地方 */
.utable .amt{font-size:12.5px}
.u-sub{font-size:10.5px;margin-top:1px}
.deploy-intro{margin:-8px 0 22px;font-size:14px;line-height:1.85;color:var(--muted)}
.deploy-extra{line-height:1.85}
.dlfiles{display:flex;gap:8px;flex-wrap:wrap;margin-top:8px}
/* 代码块复制按钮 */
.codewrap{position:relative}
.codewrap .code{margin-top:0}
.copybtn{position:absolute;top:8px;right:8px;z-index:2;padding:4px 12px;font-size:12px;
  border:1px solid rgba(255,255,255,.22);background:rgba(255,255,255,.1);color:#cbd5e1;
  border-radius:6px;cursor:pointer;font-family:inherit;transition:background .13s,color .13s}
.copybtn:hover{background:rgba(255,255,255,.2);color:#fff}
.copybtn.ok{background:rgba(34,197,94,.25);border-color:rgba(34,197,94,.5);color:#86efac}
.seobox{margin-top:16px;border:1px solid #c7ddfb;background:#f7fbff;border-radius:11px;overflow:hidden}
.seo-h{display:flex;align-items:center;gap:12px;padding:11px 15px;background:rgba(59,110,245,.08);
  font-weight:600;font-size:13.5px}
.seo-h .btn{margin-left:auto}
.seo-b{padding:13px 15px;font-size:12.5px;line-height:1.85;color:#3f4a5c}
.seotable{width:100%;border-collapse:collapse;margin:10px 0}
.seotable th{text-align:left;font-size:12px;color:var(--muted);padding:7px 8px;vertical-align:top;
  white-space:nowrap}
.seotable td{padding:7px 8px;border-bottom:1px solid #e3ecf9}
.seotable code{font-size:12px;line-height:1.75;background:#fff;padding:6px 9px;border-radius:6px;
  display:block;word-break:break-all;border:1px solid #dbe7f7}
.seo-tip{margin-top:10px;padding-top:10px;border-top:1px dashed #c7ddfb;font-size:12px;line-height:1.9}
.adwhy{display:inline-block;font-size:11px;color:#b45309;background:rgba(245,158,11,.12);
  padding:1px 8px;border-radius:5px;margin-left:6px}

/* HTML 广告预览：与客户端一致，内部图片铺满容器宽度 */
.adcard-prev .adcard-html{width:100%}
.adcard-prev img,.adcard-html img{max-width:100%;width:100%;height:auto;display:block}
.adcard-prev.fixed img{width:auto;max-width:100%;height:100%;object-fit:contain}
.brand-sub{font-size:11.5px;color:var(--muted);font-weight:400;margin-left:8px;
  padding-left:9px;border-left:1px solid var(--line)}
@media(max-width:640px){.brand-sub{display:none}}
.ad2head{display:flex;align-items:center;justify-content:space-between;margin:14px 0 8px;
  padding-top:12px;border-top:1px dashed var(--line);font-size:13px}
.pill.blue{background:rgba(59,110,245,.12);color:var(--brand)}
/* 前台广告：单条整宽铺满，成对时一行两个 */
.ad{position:relative;display:block;width:100%;margin:18px 0;border:1px solid var(--line);
  border-radius:12px;overflow:hidden;background:#fff;text-decoration:none;color:inherit}
.ad img{width:100%;height:auto;display:block}
.ad-fixed{width:auto;margin-left:auto;margin-right:auto}
.ad-fixed img{width:auto;max-width:100%}
.ad-pair{display:grid;grid-template-columns:1fr 1fr;gap:16px;margin:18px 0}
.ad-pair .ad{margin:0;min-width:0}
.ad-body{padding:10px 14px}
.ad-body b{font-size:13.5px;display:block}
.ad-body span{font-size:12px;color:var(--muted);display:block;margin-top:3px}
.ad-tag{position:absolute;top:8px;right:8px;font-size:10px;padding:1px 7px;border-radius:4px;
  background:rgba(0,0,0,.45);color:#fff}
@media(max-width:760px){.ad-pair{grid-template-columns:1fr}}