/* ============ 飞书风格 · 设计令牌 ============ */
:root{
  --fs-blue:#3370FF; --fs-blue-deep:#245BDB; --fs-blue-soft:#E1EAFF; --fs-blue-wash:#F2F6FF;
  --fs-teal:#00D6B9; --fs-purple:#7F3BF5; --fs-orange:#FF811A; --fs-red:#F54A45; --fs-yellow:#FFC60A;
  --ink:#1F2329; --ink-2:#51565D; --ink-3:#8F959E; --ink-4:#BBBFC4;
  --bg:#FFFFFF; --bg-soft:#F7F8FA; --bg-card:#FFFFFF; --bg-code:#F5F6F7;
  --line:#E4E6EB; --line-soft:#EFF0F3;
  --shadow-s:0 1px 2px rgba(31,35,41,.05), 0 4px 12px rgba(31,35,41,.05);
  --shadow-m:0 2px 6px rgba(31,35,41,.06), 0 12px 32px rgba(31,35,41,.08);
  --hero-wash:radial-gradient(900px 460px at 18% -10%, #DCE8FF 0%, rgba(255,255,255,0) 62%),
              radial-gradient(760px 420px at 88% 0%, #E4FBF6 0%, rgba(255,255,255,0) 58%);
  --r-s:6px; --r-m:10px; --r-l:16px;
  --sans:"Noto Sans SC","Inter","PingFang SC","HarmonyOS Sans SC","Microsoft YaHei",system-ui,sans-serif;
  --mono:"JetBrains Mono","SF Mono",ui-monospace,Menlo,Consolas,monospace;
}
@media (prefers-color-scheme:dark){
  :root:not([data-theme="light"]){
    --fs-blue:#5B8AFF; --fs-blue-deep:#7BA3FF; --fs-blue-soft:#1E2D4D; --fs-blue-wash:#161B27;
    --fs-teal:#33E0C8; --fs-purple:#A374FF; --fs-orange:#FF9F4D; --fs-red:#FF7A75; --fs-yellow:#FFD44D;
    --ink:#E8EAED; --ink-2:#A9AEB6; --ink-3:#7D838C; --ink-4:#5A6069;
    --bg:#141618; --bg-soft:#1A1D20; --bg-card:#1C1F23; --bg-code:#202429;
    --line:#2C3035; --line-soft:#24282C;
    --shadow-s:0 1px 2px rgba(0,0,0,.4); --shadow-m:0 8px 28px rgba(0,0,0,.5);
    --hero-wash:radial-gradient(900px 460px at 18% -10%, #1B2740 0%, rgba(20,22,24,0) 62%),
                radial-gradient(760px 420px at 88% 0%, #122E2A 0%, rgba(20,22,24,0) 58%);
  }
}
:root[data-theme="dark"]{
  --fs-blue:#5B8AFF; --fs-blue-deep:#7BA3FF; --fs-blue-soft:#1E2D4D; --fs-blue-wash:#161B27;
  --fs-teal:#33E0C8; --fs-purple:#A374FF; --fs-orange:#FF9F4D; --fs-red:#FF7A75; --fs-yellow:#FFD44D;
  --ink:#E8EAED; --ink-2:#A9AEB6; --ink-3:#7D838C; --ink-4:#5A6069;
  --bg:#141618; --bg-soft:#1A1D20; --bg-card:#1C1F23; --bg-code:#202429;
  --line:#2C3035; --line-soft:#24282C;
  --shadow-s:0 1px 2px rgba(0,0,0,.4); --shadow-m:0 8px 28px rgba(0,0,0,.5);
  --hero-wash:radial-gradient(900px 460px at 18% -10%, #1B2740 0%, rgba(20,22,24,0) 62%),
              radial-gradient(760px 420px at 88% 0%, #122E2A 0%, rgba(20,22,24,0) 58%);
}

*{box-sizing:border-box}
html{scroll-behavior:smooth; scroll-padding-top:88px}
@media (prefers-reduced-motion:reduce){ html{scroll-behavior:auto} *{animation:none!important; transition:none!important} }
body{
  margin:0; background:var(--bg); color:var(--ink);
  font-family:var(--sans); font-size:15.5px; line-height:1.78;
  -webkit-font-smoothing:antialiased; font-feature-settings:"tnum" 0;
}

/* ============ 顶栏 ============ */
.topbar{
  position:sticky; top:0; z-index:60; background:color-mix(in srgb, var(--bg) 82%, transparent);
  backdrop-filter:saturate(180%) blur(14px); border-bottom:1px solid var(--line-soft);
}
.topbar-in{max-width:1320px; margin:0 auto; padding:0 24px; height:56px; display:flex; align-items:center; gap:16px}
.brand{display:flex; align-items:center; gap:10px; font-weight:700; letter-spacing:-.01em; color:var(--ink); text-decoration:none}
.brand-mark{width:22px; height:22px; border-radius:6px; background:linear-gradient(135deg,var(--fs-blue),var(--fs-teal)); flex:none;
  box-shadow:0 2px 6px rgba(51,112,255,.35)}
.brand small{font-weight:500; color:var(--ink-3); font-size:12.5px; margin-left:2px}
.topbar-sp{flex:1}
.tb-meta{font-size:12.5px; color:var(--ink-3); display:flex; gap:14px; align-items:center}
.tb-dot{width:6px;height:6px;border-radius:50%;background:var(--fs-teal);display:inline-block;margin-right:6px;vertical-align:1px}
.menu-btn{display:none; border:1px solid var(--line); background:var(--bg-card); color:var(--ink-2);
  border-radius:var(--r-s); padding:5px 11px; font:inherit; font-size:13px; cursor:pointer}
.menu-btn:hover{border-color:var(--fs-blue); color:var(--fs-blue)}


/* 中文断行 */
body{line-break:strict; word-break:normal; overflow-wrap:anywhere}

/* 顶栏导航 */
.nav{display:flex; gap:2px; margin-left:14px}
.nav a{font-size:13.5px; color:var(--ink-2); text-decoration:none; padding:6px 12px; border-radius:var(--r-s); font-weight:500}
.nav a:hover{background:var(--bg-soft); color:var(--ink)}
.nav a[aria-current="page"]{color:var(--fs-blue); background:var(--fs-blue-wash); font-weight:600}
@media (max-width:720px){ .nav a{padding:6px 8px; font-size:12.5px} .brand small{display:none} .tb-meta{display:none} }

/* 通用按钮 */
.btn{display:inline-flex; align-items:center; justify-content:center; gap:7px; font:inherit; font-size:13.5px; font-weight:600;
  padding:8px 16px; border-radius:var(--r-s); border:1px solid var(--line); background:var(--bg-card); color:var(--ink-2); cursor:pointer;
  transition:background .15s,border-color .15s,color .15s}
.btn:hover{border-color:var(--fs-blue); color:var(--fs-blue)}
.btn-pri{background:var(--fs-blue); border-color:var(--fs-blue); color:#fff}
.btn-pri:hover{background:var(--fs-blue-deep); border-color:var(--fs-blue-deep); color:#fff}
.btn:disabled{opacity:.45; cursor:not-allowed}
.btn:disabled:hover{border-color:var(--line); color:var(--ink-2)}
.btn-sm{padding:5px 11px; font-size:12.5px}

/* 通用卡片 / 版心 */
.wrap{max-width:1320px; margin:0 auto; padding:0 24px}
.card{background:var(--bg-card); border:1px solid var(--line); border-radius:var(--r-l); box-shadow:var(--shadow-s)}
.card-h{display:flex; align-items:center; gap:10px; padding:14px 18px; border-bottom:1px solid var(--line-soft)}
.card-h h3{margin:0; font-size:14.5px; font-weight:700; letter-spacing:-.01em}
.card-h .sp{flex:1}
.card-b{padding:18px}
.muted{color:var(--ink-3); font-size:12.5px}
.mono{font-family:var(--mono); font-variant-numeric:tabular-nums}

/* 页面小标题 */
.ph{padding:34px 0 22px}
.ph .eyebrow{display:inline-flex; align-items:center; gap:8px; font-size:12px; font-weight:700; letter-spacing:.08em;
  color:var(--fs-blue); background:var(--fs-blue-soft); padding:4px 11px; border-radius:100px}
.ph h1{margin:14px 0 0; font-size:clamp(23px,2.6vw,31px); font-weight:900; letter-spacing:-.02em; line-height:1.3; text-wrap:balance}
.ph p{margin:10px 0 0; color:var(--ink-2); font-size:14.5px; max-width:74ch; line-height:1.75}
.ph .refs{margin-top:14px; display:flex; flex-wrap:wrap; gap:8px}
.ref{font-size:12px; color:var(--ink-3); border:1px dashed var(--line); border-radius:100px; padding:3px 11px}

/* 状态色点 */
.dot{width:7px; height:7px; border-radius:50%; display:inline-block; flex:none}
.d-ok{background:var(--fs-teal)} .d-warn{background:var(--fs-orange)} .d-bad{background:var(--fs-red)}
.d-idle{background:var(--ink-4)} .d-blue{background:var(--fs-blue)}

/* Toast */
.toast-wrap{position:fixed; left:50%; bottom:34px; transform:translateX(-50%); z-index:200; display:flex; flex-direction:column; gap:8px; align-items:center; pointer-events:none}
.toast{background:var(--ink); color:var(--bg); border-radius:var(--r-m); padding:10px 18px; font-size:13.5px; font-weight:500;
  box-shadow:var(--shadow-m); display:flex; align-items:center; gap:9px; animation:tin .22s ease}
.toast.ok{background:#0F9B7E} .toast.bad{background:#D1352F} .toast.info{background:var(--fs-blue-deep)}
.toast, .toast.ok, .toast.bad, .toast.info{color:#fff}
@keyframes tin{from{opacity:0; transform:translateY(8px)}to{opacity:1; transform:none}}

/* 卡片底部动作条 / 复选 */
.foot-act{display:flex; flex-wrap:wrap; gap:10px; align-items:center; padding:14px 18px; border-top:1px solid var(--line-soft); background:var(--bg-soft)}
.foot-act .sp{flex:1}
.chk{display:flex; align-items:center; gap:7px; font-size:12.5px; color:var(--ink-2); cursor:pointer}
.chk input{accent-color:var(--fs-orange)}