:root{
  --bg:#0b0d10;
  --bg2:#11151b;
  --card:rgba(255,255,255,0.045);
  --card2:rgba(255,255,255,0.075);
  --line:rgba(255,255,255,0.10);
  --txt:#e8eaed;
  --dim:#9aa0a6;
  --brand:#e8443a;
  --brand2:#ff6b5e;
  --ok:#35c07a;
  --warn:#f2b53c;
  --danger:#ff5c5c;
  --radius:16px;
  --shadow:0 10px 30px rgba(0,0,0,0.45);
  --font:-apple-system,BlinkMacSystemFont,"Segoe UI","Noto Sans SC",Roboto,"Helvetica Neue",Arial,sans-serif;
  --mono:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;
}
@media (prefers-color-scheme:light){
  :root{
    --bg:#f6f7f9;
    --bg2:#ffffff;
    --card:#ffffff;
    --card2:#f1f3f5;
    --line:#e3e6ea;
    --txt:#16181c;
    --dim:#6b7178;
    --shadow:0 8px 24px rgba(16,24,40,0.08);
  }
}
*{box-sizing:border-box}
html,body{margin:0;padding:0}
body{
  min-height:100vh;
  background:
    radial-gradient(1100px 600px at 12% -10%, rgba(232,68,58,0.16), transparent 60%),
    radial-gradient(900px 500px at 88% 0%, rgba(64,140,255,0.14), transparent 55%),
    var(--bg);
  color:var(--txt);
  font-family:var(--font);
  font-size:15px;
  line-height:1.6;
  -webkit-font-smoothing:antialiased;
}
a{color:inherit;text-decoration:none}
a:hover{color:var(--brand2)}
code,.mono{font-family:var(--mono);font-size:0.92em}
.muted{color:var(--dim)}
.small{font-size:12.5px}
.mt{margin-top:18px}

/* 顶部栏 */
.topbar{
  position:sticky;top:0;z-index:20;
  display:flex;align-items:center;gap:18px;
  padding:12px 20px;
  background:color-mix(in srgb, var(--bg) 78%, transparent);
  backdrop-filter:blur(14px) saturate(140%);
  border-bottom:1px solid var(--line);
}
.brand{display:flex;align-items:center;gap:9px;font-weight:800;letter-spacing:.3px;font-size:17px}
.brand-dot{width:11px;height:11px;border-radius:50%;background:linear-gradient(135deg,var(--brand),var(--brand2));box-shadow:0 0 14px rgba(232,68,58,.65)}
.nav{margin-left:auto;display:flex;align-items:center;gap:14px;flex-wrap:wrap}
.nav a{font-size:14px;color:var(--dim);padding:6px 2px;border-bottom:2px solid transparent}
.nav a:hover{color:var(--txt);border-bottom-color:var(--brand)}
.who{font-size:13px;color:var(--txt);opacity:.8;max-width:180px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
form.inline{display:inline}
.linkish{background:none;border:0;color:var(--dim);font:inherit;font-size:14px;cursor:pointer;padding:6px 2px}
.linkish:hover{color:var(--brand2)}

/* 布局 */
.wrap{max-width:1080px;margin:0 auto;padding:26px 20px 60px}
.pagehead{display:flex;align-items:center;gap:14px;flex-wrap:wrap;margin-bottom:18px}
.pagehead .h1{margin:0}
.pageactions{margin-left:auto;display:flex;gap:10px;flex-wrap:wrap}
.h1{font-size:26px;line-height:1.25;letter-spacing:-.4px;margin:0 0 6px;font-weight:800}
.h2{font-size:17px;margin:0 0 12px;font-weight:700}
.crumb{display:flex;gap:8px;align-items:center;font-size:13px;color:var(--dim);margin-bottom:14px;flex-wrap:wrap}
.crumb a:hover{color:var(--brand2)}

/* 卡片 */
.card{
  background:var(--card);
  border:1px solid var(--line);
  border-radius:var(--radius);
  padding:20px;
  box-shadow:var(--shadow);
  backdrop-filter:blur(8px);
}
.card+.card{margin-top:16px}
.card.auth{max-width:460px;margin:34px auto;padding:26px}
.card.empty{text-align:center;padding:44px 24px}
.grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(280px,1fr));gap:14px}
.grid.two{grid-template-columns:repeat(auto-fit,minmax(320px,1fr));margin-top:18px}
.stats{display:grid;grid-template-columns:repeat(auto-fit,minmax(160px,1fr));gap:14px;margin-bottom:16px}
.stat{background:var(--card);border:1px solid var(--line);border-radius:14px;padding:16px 18px;display:flex;flex-direction:column;gap:2px}
.statnum{font-size:28px;font-weight:800;letter-spacing:-.5px;line-height:1.1}
.statnum.ok{color:var(--ok)}
.statnum.danger{color:var(--danger)}

/* 表单 */
.field{display:block;margin-bottom:14px}
.field>span{display:block;font-size:12.5px;color:var(--dim);margin-bottom:6px;letter-spacing:.2px}
input[type=text],input[type=password],input[type=email],input[type=search],input[type=number]{
  width:100%;padding:11px 14px;
  background:var(--card2);
  border:1px solid var(--line);
  border-radius:12px;
  color:var(--txt);font:inherit;font-size:14.5px;
  outline:none;transition:border-color .15s, box-shadow .15s, background .15s;
}
input::placeholder{color:var(--dim);opacity:.75}
input:focus{
  border-color:var(--brand);
  box-shadow:0 0 0 3px rgba(232,68,58,.18);
  background:var(--card);
}
.searchbar{display:flex;gap:10px;margin-bottom:18px;flex-wrap:wrap}
.searchbar input{flex:1 1 220px;min-width:0}

/* 按钮 */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:6px;
  padding:10px 18px;border-radius:12px;
  border:1px solid var(--line);
  background:var(--card2);color:var(--txt);
  font:inherit;font-size:14px;font-weight:600;
  cursor:pointer;transition:transform .1s, filter .15s, background .15s, border-color .15s;
  white-space:nowrap;
}
.btn:hover{filter:brightness(1.12)}
.btn:active{transform:translateY(1px)}
.btn.primary{
  background:linear-gradient(135deg,var(--brand),var(--brand2));
  border-color:transparent;color:#fff;
  box-shadow:0 6px 18px rgba(232,68,58,.32);
}
.btn.ghost{background:transparent}
.btn.danger{background:rgba(255,92,92,.14);border-color:rgba(255,92,92,.4);color:var(--danger)}
.btn.tiny{padding:5px 11px;font-size:12.5px;border-radius:9px}

/* 提示条 */
.flash{margin:14px auto 0;max-width:1080px;padding:11px 16px;border-radius:12px;font-size:14px;border:1px solid var(--line)}
.flash-ok{background:rgba(53,192,122,.14);border-color:rgba(53,192,122,.4);color:var(--ok)}
.flash-err{background:rgba(255,92,92,.13);border-color:rgba(255,92,92,.38);color:var(--danger)}
.flash-info{background:rgba(64,140,255,.12);border-color:rgba(64,140,255,.35)}
.alert{padding:11px 14px;border-radius:12px;background:rgba(255,92,92,.12);border:1px solid rgba(255,92,92,.36);color:var(--danger);font-size:14px;margin-bottom:16px}
.warnline{color:var(--warn)}

/* 列表 */
.card.list{padding:8px 0}
.card.list>.thead,.card.list>.trow{display:grid;grid-template-columns:minmax(160px,1.6fr) minmax(100px,1fr) 90px 130px 160px;gap:10px;align-items:center;padding:11px 20px}
.card.list>.thead{font-size:12px;color:var(--dim);text-transform:uppercase;letter-spacing:.6px;border-bottom:1px solid var(--line)}
.card.list>.trow{border-bottom:1px solid var(--line);font-size:14px}
.card.list>.trow:last-of-type{border-bottom:0}
.card.list>.trow:hover{background:var(--card2)}
.trow-form{display:flex;gap:8px;align-items:center;padding:0 20px 10px;flex-wrap:wrap}
.trow-form input{flex:1 1 200px;padding:7px 11px;font-size:13px;border-radius:9px}
.trow-note{padding:0 20px 10px;font-family:var(--mono)}
.card.list>.trow+.trow-form{margin-top:-6px}
.ops{display:flex;gap:6px;flex-wrap:wrap}
.ok-dot{color:var(--ok);font-size:13px}

/* 收件箱列表 */
.card.list>.row,.row{
  display:flex;gap:14px;align-items:center;
  padding:14px 20px;border-bottom:1px solid var(--line);
  transition:background .15s;
}
.row:last-child{border-bottom:0}
.row:hover{background:var(--card2)}
.rowmain{min-width:0;flex:1}
.rowtop{display:flex;align-items:center;gap:8px;min-width:0}
.rowtop strong{font-weight:600;font-size:14.5px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.rowside{display:flex;flex-direction:column;align-items:flex-end;gap:2px;flex:0 0 auto}
.dot{display:inline-flex;align-items:center;justify-content:center;min-width:22px;height:22px;padding:0 6px;border-radius:11px;background:var(--brand);color:#fff;font-size:12px;font-weight:700}
.dot.mini{background:rgba(232,68,58,.16);color:var(--brand2);font-size:11px;font-weight:600;height:20px}

/* 邮箱卡片 */
.boxcard{display:flex;align-items:center;gap:14px;padding:16px 18px;transition:transform .12s, border-color .15s}
.boxcard:hover{transform:translateY(-2px);border-color:rgba(232,68,58,.45)}
.avatar{width:44px;height:44px;border-radius:14px;flex:0 0 auto;display:flex;align-items:center;justify-content:center;font-weight:800;font-size:18px;color:#fff;background:linear-gradient(135deg,var(--brand),var(--brand2));box-shadow:0 6px 16px rgba(232,68,58,.3)}
.boxmeta{display:flex;flex-direction:column;gap:1px;min-width:0;flex:1}
.boxmeta strong{font-size:14.5px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}

/* 邮件正文 */
.card.msg{padding:24px}
.meta{display:grid;grid-template-columns:78px 1fr;gap:6px 14px;margin:16px 0 18px;padding:14px 16px;background:var(--card2);border-radius:12px;font-size:14px}
.meta dt{color:var(--dim);font-size:12.5px}
.meta dd{margin:0;min-width:0;overflow-wrap:anywhere}
.toolbar{display:flex;gap:10px;flex-wrap:wrap;margin-bottom:16px}
.body{
  margin:0;padding:18px 20px;border-radius:12px;
  background:var(--card2);border:1px solid var(--line);
  font-family:var(--mono);font-size:13.5px;line-height:1.75;
  white-space:pre-wrap;overflow-wrap:anywhere;max-height:70vh;overflow:auto;
}
.htmlview{width:100%;height:70vh;border:1px solid var(--line);border-radius:12px;background:#fff}

/* 口令展示 */
.secret{display:flex;align-items:center;gap:12px;padding:14px 16px;background:var(--card2);border:1px dashed rgba(232,68,58,.45);border-radius:12px;margin:14px 0}
.secret code{flex:1;min-width:0;font-size:16px;letter-spacing:.6px;overflow-wrap:anywhere;word-break:break-all}

/* 分页 */
.pager{display:flex;align-items:center;gap:12px;justify-content:center;margin-top:20px;flex-wrap:wrap}

/* 时间线 */
.timeline{list-style:none;margin:0;padding:0}
.timeline li{padding:11px 0;border-bottom:1px solid var(--line);font-size:14px;display:flex;flex-wrap:wrap;gap:8px;align-items:baseline}
.timeline li:last-child{border-bottom:0}
.badge{display:inline-block;padding:3px 10px;border-radius:999px;background:rgba(232,68,58,.14);color:var(--brand2);font-size:12px;font-weight:600}

/* 落地页 */
.hero{padding:64px 4px 46px;max-width:720px}
.hero h1{font-size:clamp(30px,5.2vw,48px);line-height:1.18;letter-spacing:-1.2px;margin:0 0 16px;font-weight:900;background:linear-gradient(120deg,#fff 10%,var(--brand2) 55%,#8ab4ff 100%);-webkit-background-clip:text;background-clip:text;color:transparent}
@media (prefers-color-scheme:light){.hero h1{background:linear-gradient(120deg,#16181c 10%,var(--brand) 55%,#2563eb 100%);-webkit-background-clip:text;background-clip:text;color:transparent}}
.hero .sub{font-size:16.5px;color:var(--dim);margin:0 0 28px;max-width:560px}
.hero .cta{display:flex;gap:12px;flex-wrap:wrap}
.grid3{display:grid;grid-template-columns:repeat(auto-fit,minmax(240px,1fr));gap:16px}
.grid3 .card h3{margin:0 0 8px;font-size:16px;font-weight:700}
.grid3 .card p{margin:0;color:var(--dim);font-size:14px}

/* 页脚 */
.foot{display:flex;justify-content:space-between;gap:14px;flex-wrap:wrap;max-width:1080px;margin:0 auto;padding:22px 20px 40px;border-top:1px solid var(--line);font-size:12.5px;color:var(--dim)}

/* 移动端 */
@media (max-width:640px){
  .wrap{padding:18px 14px 48px}
  .topbar{padding:10px 14px;gap:10px}
  .nav{gap:10px}
  .who{display:none}
  .h1{font-size:22px}
  .card.auth{margin:18px auto;padding:20px}
  .card.list>.thead{display:none}
  .card.list>.trow{grid-template-columns:1fr;gap:4px;padding:12px 14px}
  .trow-form{padding:0 14px 12px}
  .card.msg{padding:18px 16px}
  .meta{grid-template-columns:1fr;gap:2px 0}
  .meta dt{margin-top:8px}
  .hero{padding:42px 2px 32px}
  .row{padding:12px 14px}
}

/* 无障碍与打印 */
:focus-visible{outline:2px solid var(--brand);outline-offset:2px}
@media (prefers-reduced-motion:reduce){*{transition:none!important;animation:none!important}}