/* ══════════════════════════════════════════════════════════
   TerraDomain · 文档风主题层（覆盖在 style.css 之后）
   参考 nic.ddns.ge（极简文档风）× nic.fj.kg（信息架构）

   设计原则：
   - 白底 / 深字 / 细线 / 零圆角 / 零阴影 / 零渐变
   - 只动 transform 与 opacity，不触发重排
   - 本文件只覆盖「视觉」，不碰结构与 JS，可随时整段移除回退
   ══════════════════════════════════════════════════════════ */

:root {
  /* 基底：纯白 + 近黑 */
  --background: 0 0% 100%;
  --foreground: 220 9% 10%;       /* #15171c */
  --card: 0 0% 100%;
  --card-foreground: 220 9% 10%;
  --popover: 0 0% 100%;
  --popover-foreground: 220 9% 10%;

  /* 主色：去饱和的蓝，只用于链接与强调 */
  --primary: 224 79% 47%;         /* #1a4fd6 */
  --primary-foreground: 0 0% 100%;

  --secondary: 220 14% 96%;       /* #f7f8fa */
  --secondary-foreground: 220 9% 15%;
  --muted: 220 14% 96%;
  --muted-foreground: 220 6% 43%; /* #6b7280 */
  --accent: 220 14% 96%;
  --accent-foreground: 220 9% 15%;

  --destructive: 353 78% 40%;     /* #b42318 */
  --destructive-foreground: 0 0% 100%;
  --success: 154 70% 27%;         /* #16794a */
  --success-foreground: 0 0% 100%;
  --warning: 33 70% 35%;          /* #96601a */
  --warning-foreground: 48 96% 89%;
  --info: 224 79% 47%;
  --info-foreground: 0 0% 100%;

  /* 描边：细、淡、无模糊 */
  --border: 220 13% 91%;          /* #e4e6ea */
  --input: 220 13% 91%;
  --ring: 220 9% 10%;

  /* 圆角：文档风用直角微圆 */
  --radius: 3px;

  /* 兼容层变量（style.css 大量引用这些） */
  --line: hsl(var(--border));
  --line-2: hsl(var(--border) / .55);
  --line-hi: hsl(var(--border));
  --panel: #ffffff;
  --panel-2: hsl(var(--secondary));
  --ink: hsl(var(--foreground));
  --ink-2: hsl(var(--foreground) / .78);
  --ink-3: hsl(var(--muted-foreground));
  --text: hsl(var(--foreground));
  --text-2: hsl(var(--muted-foreground));
  --muted: hsl(var(--muted-foreground));
  --c1: hsl(var(--primary));
  --c1-dim: hsl(var(--primary));
  --c2: hsl(var(--foreground));
  --c3: hsl(var(--secondary));
  --sky: hsl(var(--info));
  --shadow: none;
  --glow: none;
  --float-0: none;
  --float-1: none;
  --float-2: none;
  --float-3: none;
  --bevel: none;
  --bg-dim: 0;
  --bg-glow-1: transparent;
  --bg-glow-2: transparent;

  /* 字体：系统无衬线，去二次元圆体 */
  --sans: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue",
          "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", Arial, sans-serif;
  --cn: var(--sans);
  --mono: ui-monospace, SFMono-Regular, Menlo, Consolas, "Liberation Mono", monospace;

  --ease: cubic-bezier(.22, .61, .36, 1);
}

html[data-theme="dark"] {
  --background: 220 12% 7%;        /* #0f1115 */
  --foreground: 220 12% 92%;
  --card: 220 12% 9%;
  --card-foreground: 220 12% 92%;
  --popover: 220 12% 9%;
  --popover-foreground: 220 12% 92%;
  --primary: 220 100% 74%;
  --secondary: 220 10% 14%;
  --secondary-foreground: 220 12% 92%;
  --muted: 220 10% 14%;
  --muted-foreground: 220 8% 62%;
  --accent: 220 10% 14%;
  --accent-foreground: 220 12% 92%;
  --destructive: 3 80% 72%;
  --success: 154 50% 55%;
  --warning: 33 65% 63%;
  --info: 220 100% 74%;
  --border: 220 10% 22%;
  --input: 220 10% 22%;
  --ring: 220 12% 92%;
  --line: hsl(var(--border));
  --line-2: hsl(var(--border) / .55);
  --line-hi: hsl(var(--border));
  --panel: hsl(220 12% 9%);
  --panel-2: hsl(220 10% 12%);
}

/* ══════════ 1. 背景：全部装饰清零 ══════════
   壁纸 / 光晕 / 遮罩 / 等高线 / 樱花 / 网格 —— 一律隐藏。
   注意：不能隐藏 .cloud-bg！它是落地页 Hero 的 section 本身（云层只是它
   内部的 canvas 子元素），隐藏它会把「免费域名注册」标题和插画整块吞掉。 */
#bg,
#bg::before,
#bg::after,
body::before,
body::after,
#sakura,
.sakura-layer,
.home-grid-bg,
.spark,
.mascot,
.bubble,
.paw-deco { display: none !important; }

/* 云层：只隐藏 canvas，容器保留；同时清掉深/浅色的天空渐变 */
.cloud-bg canvas { display: none !important; }
.cloud-bg,
.cloud-bg.cloud-fallback,
[data-theme="dark"] .cloud-bg,
[data-theme="dark"] .cloud-bg.cloud-fallback {
  background: hsl(var(--background)) !important;
  display: block !important;
}
.nk-hero.cloud-bg { display: block !important; }

body {
  background: hsl(var(--background)) !important;
  color: hsl(var(--foreground));
  font-family: var(--sans);
  font-size: 15px;
  line-height: 1.65;
}
html[data-theme="dark"] body { background: hsl(var(--background)) !important; }

/* ══════════ 2. 排版：去掉 mono 大写与 "> " 前缀 ══════════ */
h1 {
  font-family: var(--sans) !important;
  font-size: 30px !important;
  font-weight: 680;
  letter-spacing: -.025em;
  color: hsl(var(--foreground));
  margin: 0 0 12px;
}
h1::before { content: none !important; }
h2 {
  font-family: var(--sans) !important;
  font-size: 22px !important;
  font-weight: 650;
  letter-spacing: -.015em;
  text-transform: none !important;
  color: hsl(var(--foreground));
  margin: 0 0 8px;
  display: block !important;
}
h2::after { display: none !important; }
h3 {
  font-family: var(--sans) !important;
  font-size: 16px !important;
  font-weight: 650;
  text-transform: none !important;
  letter-spacing: 0 !important;
  color: hsl(var(--foreground));
  margin: 0 0 6px;
}
p { color: hsl(var(--foreground) / .8); margin: 0 0 12px; }
a { color: hsl(var(--primary)); text-decoration: none; }
a:hover { text-decoration: underline; text-shadow: none !important; }

.sub, .dim, .hint { color: hsl(var(--muted-foreground)); }

/* ══════════ 3. 卡片：细线直角，无阴影无高光 ══════════ */
.card {
  background: hsl(var(--card)) !important;
  border: 1px solid hsl(var(--border)) !important;
  border-radius: var(--radius) !important;
  padding: 20px 22px;
  margin-bottom: 16px;
  box-shadow: none !important;
  backdrop-filter: none !important;
  -webkit-backdrop-filter: none !important;
}
.card::before { display: none !important; }
.card.glass { backdrop-filter: none !important; -webkit-backdrop-filter: none !important; }
.card.flat { background: hsl(var(--secondary)) !important; box-shadow: none !important; }

/* ══════════ 4. 按钮：实心深底 / 细线 ghost ══════════ */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  background: hsl(var(--foreground));
  border: 1px solid hsl(var(--foreground));
  border-radius: var(--radius) !important;
  color: hsl(var(--background));
  font-family: var(--sans) !important;
  font-size: 14px;
  font-weight: 600;
  letter-spacing: 0;
  padding: 9px 18px;
  cursor: pointer;
  white-space: nowrap;
  transition: transform .2s var(--ease), opacity .2s, background .2s, border-color .2s, color .2s;
}
.btn:hover { transform: translateY(-2px); opacity: .85; text-decoration: none; box-shadow: none !important; }
.btn:active { transform: translateY(0) scale(.98); opacity: 1; }
.btn:disabled { opacity: .4; cursor: not-allowed; transform: none; box-shadow: none !important; }
.btn.primary {
  background: hsl(var(--foreground));
  border-color: hsl(var(--foreground));
  color: hsl(var(--background));
}
.btn.primary:hover { filter: none; color: hsl(var(--background)); box-shadow: none !important; }
.btn.ghost,
.btn:not(.primary):not(.danger):not(.ok) {
  background: transparent;
  color: hsl(var(--foreground));
  border-color: hsl(var(--border));
}
.btn.ghost:hover,
.btn:not(.primary):not(.danger):not(.ok):hover {
  border-color: hsl(var(--foreground));
  background: transparent;
  opacity: 1;
}
.btn.sm { padding: 6px 12px; font-size: 13px; font-weight: 550; border-radius: var(--radius) !important; }
.btn.danger { background: transparent; color: hsl(var(--destructive)); border-color: hsl(var(--destructive)); }
.btn.danger:hover { background: transparent; box-shadow: none !important; }
.btn.ok { background: transparent; color: hsl(var(--success)); border-color: hsl(var(--success)); }
.btn.ok:hover { background: transparent; box-shadow: none !important; }
.btn.block { width: 100%; }

/* ══════════ 5. 表单 ══════════ */
label, .field > label {
  font-family: var(--sans) !important;
  font-size: 13px !important;
  font-weight: 600;
  text-transform: none !important;
  letter-spacing: 0 !important;
  color: hsl(var(--foreground));
  margin-bottom: 6px;
}
input, textarea, select {
  background: transparent !important;
  border: 1px solid hsl(var(--border)) !important;
  border-radius: var(--radius) !important;
  color: hsl(var(--foreground));
  padding: 10px 12px;
  font-family: var(--sans) !important;
  font-size: 14px;
  transition: border-color .2s, box-shadow .2s;
}
textarea { font-family: var(--mono) !important; font-size: 13px; }
input:focus, textarea:focus, select:focus {
  outline: none;
  border-color: hsl(var(--foreground)) !important;
  box-shadow: 0 0 0 3px hsl(var(--foreground) / .05) !important;
}
input::placeholder, textarea::placeholder { color: hsl(var(--muted-foreground) / .7); }
input[type="checkbox"], input[type="radio"] { width: auto; accent-color: hsl(var(--primary)); }
.check input { width: auto; }

/* ══════════ 6. 表格 ══════════ */
table { width: 100%; border-collapse: collapse; }
th {
  background: transparent !important;
  text-align: left;
  font-family: var(--sans) !important;
  font-size: 12.5px;
  font-weight: 600;
  color: hsl(var(--muted-foreground));
  padding: 10px 12px;
  border-bottom: 1px solid hsl(var(--foreground)) !important;
}
td {
  padding: 13px 12px;
  border-bottom: 1px solid hsl(var(--border)) !important;
  transition: background .2s, padding-left .25s var(--ease);
}
tbody tr:hover td { background: hsl(var(--secondary)); padding-left: 16px; }

/* ══════════ 7. 徽章 / 标签 ══════════ */
.badge, .tag, .pill {
  display: inline-block;
  font-family: var(--mono) !important;
  font-size: 11.5px;
  border: 1px solid hsl(var(--border)) !important;
  border-radius: 2px !important;
  padding: 1px 7px;
  background: transparent !important;
  color: hsl(var(--foreground) / .8);
  white-space: nowrap;
  transition: transform .25s var(--ease);
}
.badge:hover, .tag:hover, .pill:hover { transform: translateY(-1px); }
.badge.ok, .tag.ok { color: hsl(var(--success)); border-color: hsl(var(--success)) !important; }
.badge.warn, .tag.warn { color: hsl(var(--warning)); border-color: hsl(var(--warning)) !important; }
.badge.danger, .tag.danger { color: hsl(var(--destructive)); border-color: hsl(var(--destructive)) !important; }
.badge.inf, .badge.lock, .tag.inf, .tag.lock { color: hsl(var(--primary)); border-color: hsl(var(--primary)) !important; }

/* ══════════ 8. 统计卡 ══════════ */
.stat-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
  gap: 0 !important;
  border-top: 1px solid hsl(var(--foreground));
  border-bottom: 1px solid hsl(var(--border));
  margin-bottom: 24px;
}
.stat {
  background: transparent !important;
  /* v2 皮肤把 .stat 设成白字（配四色渐变卡片），文档风换成透明背景后
     必须把文字色改回来，否则浅色模式就是「白字白底」完全看不见。 */
  color: hsl(var(--foreground)) !important;
  border: 0 !important;
  border-right: 1px solid hsl(var(--border)) !important;
  border-radius: 0 !important;
  box-shadow: none !important;
  padding: 18px 20px;
  transition: background .25s;
}
/* v2 的白色半透明装饰圆：文档风下不要（深色模式会变成一块灰圆） */
.stat::after { display: none !important; }
.stat:last-child { border-right: 0 !important; }
.stat:hover { background: hsl(var(--secondary)); transform: none !important; box-shadow: none !important; }
/* admin.html / domain.html 实际生成的是 .v / .l，不是 b / span / .stat-v / .stat-k，
   之前只覆盖了后者，所以数字与标签在浅色模式下仍是白色 —— 这里全部补齐。 */
.stat b, .stat-v, .stat .v, .stat h2 {
  display: block;
  font-family: var(--mono) !important;
  font-size: 28px !important;
  line-height: 1.1;
  letter-spacing: -.03em;
  font-variant-numeric: tabular-nums;
  color: hsl(var(--foreground)) !important;
}
.stat .v[style] { color: hsl(var(--foreground)) !important; }
.stat span, .stat-k, .stat .l, .stat small {
  font-family: var(--sans) !important;
  font-size: 12.5px !important;
  text-transform: none !important;
  letter-spacing: 0 !important;
  color: hsl(var(--muted-foreground)) !important;
  margin-top: 6px;
}
.stat .em { color: hsl(var(--foreground)) !important; }

/* ══════════ 9. 骨架：顶栏 / 侧栏 ══════════ */
.topbar {
  background: hsl(var(--background)) !important;
  border-bottom: 1px solid hsl(var(--border)) !important;
  box-shadow: none !important;
  height: 58px !important;
  animation: dropIn .5s var(--ease) both;
}
@keyframes dropIn { from { opacity: 0; transform: translateY(-100%); } to { opacity: 1; transform: none; } }
.top-brand:hover { background: hsl(var(--secondary)); }
.top-brand img { border-radius: 2px !important; box-shadow: none !important; }
.brand-name { font-size: 16px !important; font-weight: 650; letter-spacing: -.01em; }
.theme-paw { background: transparent !important; border: 1px solid hsl(var(--border)) !important; border-radius: var(--radius) !important; color: hsl(var(--foreground)); }
.theme-paw:hover { background: hsl(var(--secondary)) !important; transform: none; }

.sidebar {
  top: 58px !important;
  width: var(--sb-w);
  background: hsl(var(--background)) !important;
  border-right: 1px solid hsl(var(--border)) !important;
  box-shadow: none !important;
  backdrop-filter: none !important;
  -webkit-backdrop-filter: none !important;
  padding: 16px 10px !important;
}
.side-group-title, .side-label {
  font-family: var(--sans) !important;
  font-size: 11.5px !important;
  letter-spacing: .1em;
  text-transform: uppercase;
  color: hsl(var(--muted-foreground)) !important;
}
.side-item {
  border-radius: var(--radius) !important;
  font-size: 14px !important;
  color: hsl(var(--foreground) / .78) !important;
  transition: background .2s, color .2s, transform .2s var(--ease);
}
.side-item:hover { background: hsl(var(--secondary)) !important; color: hsl(var(--foreground)) !important; transform: translateX(2px); }
.side-item.on {
  background: hsl(var(--secondary)) !important;
  color: hsl(var(--foreground)) !important;
  font-weight: 650;
  box-shadow: none !important;
}
.side-item.on::before { background: hsl(var(--foreground)) !important; width: 2px; border-radius: 0 !important; }
.side-item.on .side-ico svg { opacity: 1; }

.main { margin-left: var(--sb-w); padding: 74px 24px 40px !important; }
.main-in { max-width: 1040px; }

/* ══════════ 10. 弹窗 / Toast / 页脚 ══════════ */
.modal, .modal-card {
  background: hsl(var(--card)) !important;
  border: 1px solid hsl(var(--border)) !important;
  border-radius: 6px !important;
  box-shadow: none !important;
  backdrop-filter: none !important;
}
.mask { background: hsl(var(--foreground) / .35) !important; backdrop-filter: none !important; }
#toast {
  background: hsl(var(--foreground)) !important;
  color: hsl(var(--background)) !important;
  border-radius: var(--radius) !important;
  box-shadow: none !important;
}
.footer, .main-foot, .site-foot {
  border-top: 1px solid hsl(var(--border)) !important;
  background: transparent !important;
  color: hsl(var(--muted-foreground));
  font-size: 13px;
}
.notice, .alert, .a-info, .a-blue, .a-red, .a-warn {
  border-radius: var(--radius) !important;
  box-shadow: none !important;
}
.notice { background: hsl(var(--secondary)) !important; border: 1px solid hsl(var(--border)) !important; }
.alert { border: 1px solid hsl(var(--border)) !important; background: hsl(var(--secondary)) !important; color: hsl(var(--foreground)); }
.a-info { background: hsl(var(--secondary)) !important; color: hsl(var(--foreground)); }
.a-blue, .a-red, .a-warn { background: hsl(var(--foreground)) !important; color: hsl(var(--background)) !important; }

/* ══════════ 11. 动画引擎 ══════════
   滚动到视口才播；只动 transform / opacity；reduced-motion 全关 */
.reveal { opacity: 0; transform: translateY(12px); transition: opacity .5s var(--ease), transform .5s var(--ease); }
.reveal.in { opacity: 1; transform: none; }

.shell-ready .main-in > * {
  animation: riseIn .34s var(--ease) backwards;
}
.shell-ready .main-in > *:nth-child(1) { animation-delay: 0s; }
.shell-ready .main-in > *:nth-child(2) { animation-delay: .05s; }
.shell-ready .main-in > *:nth-child(3) { animation-delay: .1s; }
.shell-ready .main-in > *:nth-child(4) { animation-delay: .15s; }
.shell-ready .main-in > *:nth-child(5) { animation-delay: .2s; }
.shell-ready .main-in > *:nth-child(n+6) { animation-delay: .25s; }
@keyframes riseIn {
  from { opacity: 0; transform: translateY(10px); }
  to   { opacity: 1; transform: none; }
}

/* 表格行错峰 */
tbody tr { opacity: 0; transform: translateY(6px); transition: opacity .4s var(--ease), transform .4s var(--ease); }
tbody.in tr { opacity: 1; transform: none; }

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: .01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: .01ms !important;
    scroll-behavior: auto !important;
  }
  .reveal, tbody tr { opacity: 1 !important; transform: none !important; }
}

/* 滚动进度条：顶部 2px 细线 */
#docProgress {
  position: fixed;
  top: 0; left: 0;
  height: 2px;
  width: 0;
  background: hsl(var(--foreground));
  z-index: 400;
  pointer-events: none;
  transition: width .08s linear;
}

/* ══════════ 12. 落地页（nk-*）与登录页 ══════════ */
.site-nav, .home-top {
  background: hsl(var(--background)) !important;
  border-bottom: 1px solid hsl(var(--border)) !important;
  box-shadow: none !important;
  backdrop-filter: none !important;
}
.site-nav .brand .brand-name,
.home-brand, .brand-name { font-family: var(--sans) !important; font-size: 16px !important; font-weight: 650; }

/* Hero：左文右图，居中大标题改左对齐 */
.nk-h1 {
  font-family: var(--sans) !important;
  font-size: clamp(30px, 5vw, 44px) !important;
  font-weight: 680;
  letter-spacing: -.025em;
  line-height: 1.2;
  text-align: left !important;
  color: hsl(var(--foreground));
}
.nk-h2 {
  font-family: var(--sans) !important;
  font-size: 22px !important;
  font-weight: 650;
  letter-spacing: -.015em;
  text-align: left !important;
}
.nk-lead { font-size: 16px !important; color: hsl(var(--muted-foreground)) !important; }
.nk-cta { gap: 10px; }
.nk-hot {
  font-family: var(--mono) !important;
  font-size: 10.5px !important;
  letter-spacing: .08em;
  border: 1px solid hsl(var(--success)) !important;
  border-radius: 2px !important;
  background: transparent !important;
  color: hsl(var(--success)) !important;
  padding: 1px 7px !important;
}
.nk-bar { background: hsl(var(--foreground)) !important; padding: 12px 0; }
.nk-bar, .nk-bar a { color: hsl(var(--background)) !important; }
.nk-dns3 { gap: 16px !important; }
.nk-dns3 .card { padding: 18px !important; }
.nk-dns3 h3 { font-family: var(--sans) !important; font-size: 16px !important; }
.nk-foot { background: hsl(var(--secondary)) !important; color: hsl(var(--muted-foreground)) !important; border-top: 1px solid hsl(var(--border)) !important; }
.nk-fbrand, .nk-fcol h4 { color: hsl(var(--foreground)) !important; }
.nk-fdesc, .nk-fdim, .nk-fbottom { color: hsl(var(--muted-foreground)) !important; }

/* 登录页 */
.auth-wrap { gap: 28px; align-items: start; }
.auth-card {
  background: hsl(var(--card)) !important;
  border: 1px solid hsl(var(--border)) !important;
  border-radius: 6px !important;
  box-shadow: none !important;
  padding: 28px !important;
  backdrop-filter: none !important;
}
.auth-card::before, .auth-card::after { display: none !important; }
.auth-title { font-family: var(--sans) !important; font-size: 24px !important; font-weight: 650; letter-spacing: -.02em; }
.auth-title::after { content: none !important; animation: none !important; }
.auth-sub { font-size: 14px !important; }
.side-mod {
  background: hsl(var(--secondary)) !important;
  border: 1px solid hsl(var(--border)) !important;
  border-radius: var(--radius) !important;
  box-shadow: none !important;
}
.side-mod h3::before { content: none !important; }
.side-mod h3 { font-family: var(--sans) !important; font-size: 15px !important; }
.side-mod.warn { background: hsl(var(--secondary)) !important; border-color: hsl(var(--border)) !important; }
.side-mod.warn h3 { color: hsl(var(--warning)) !important; }
.svc li { border-bottom: 1px solid hsl(var(--border)) !important; }
.svc b { font-size: 14px !important; }
.svc span { font-family: var(--mono) !important; font-size: 12px !important; }

/* tab 统一为文档风下划线式 */
.tabs { gap: 26px !important; border-bottom: 1px solid hsl(var(--border)) !important; margin-bottom: 20px !important; }
.tab {
  font-family: var(--sans) !important;
  font-size: 14px !important;
  font-weight: 500;
  color: hsl(var(--muted-foreground)) !important;
  background: none !important;
  border: 0 !important;
  border-bottom: 2px solid transparent !important;
  border-radius: 0 !important;
  padding: 0 0 12px !important;
  margin-bottom: -1px !important;
  box-shadow: none !important;
}
.tab:hover { color: hsl(var(--foreground)) !important; background: none !important; }
.tab.active, .tab.on {
  color: hsl(var(--foreground)) !important;
  border-bottom-color: hsl(var(--foreground)) !important;
  background: none !important;
  box-shadow: none !important;
  font-weight: 600;
}
.tab.active::after, .tab.on::after { display: none !important; }

/* ══════════ 13. 移动端 ══════════ */
@media (max-width: 900px) {
  .main { margin-left: var(--sb-w-mini); padding: 74px 16px 32px !important; }
  .sidebar { width: var(--sb-w-mini); }
  .stat-grid { grid-template-columns: repeat(2, 1fr); }
  .stat:nth-child(2n) { border-right: 0 !important; }
  .stat:nth-child(-n+2) { border-bottom: 1px solid hsl(var(--border)) !important; }
}
@media (max-width: 760px) {
  h1 { font-size: 26px !important; }
  .topbar { left: var(--sb-w-mini) !important; }
}


/* ══════════ 统计卡可见性（终极兜底） ══════════
   线上曾出现「浅色模式统计数字白字白底」：v2 皮肤把 .stat 设为白字，
   文档风覆盖虽写了 hsl(var(--foreground))，但旧缓存 / 变量解析失败时仍会失效。
   这里用 html[data-skin="doc"] 提高特指度并写死颜色，不依赖任何 CSS 变量。 */
html[data-skin="doc"] .stat-grid .stat,
html[data-skin="doc"] .stat-grid .stat .v,
html[data-skin="doc"] .stat-grid .stat b,
html[data-skin="doc"] .stat-grid .stat h2 { color: #15171c !important; }
html[data-skin="doc"] .stat-grid .stat .l,
html[data-skin="doc"] .stat-grid .stat small,
html[data-skin="doc"] .stat-grid .stat span { color: #6b7280 !important; }
html[data-skin="doc"][data-theme="dark"] .stat-grid .stat,
html[data-skin="doc"][data-theme="dark"] .stat-grid .stat .v,
html[data-skin="doc"][data-theme="dark"] .stat-grid .stat b,
html[data-skin="doc"][data-theme="dark"] .stat-grid .stat h2 { color: #f2f5fa !important; }
html[data-skin="doc"][data-theme="dark"] .stat-grid .stat .l,
html[data-skin="doc"][data-theme="dark"] .stat-grid .stat small,
html[data-skin="doc"][data-theme="dark"] .stat-grid .stat span { color: #a9b3c7 !important; }
html[data-skin="doc"] .stat-grid .stat::after { display: none !important; }
html[data-skin="doc"] .stat-grid .stat:hover { background: #f2f4f8 !important; }
html[data-skin="doc"][data-theme="dark"] .stat-grid .stat:hover { background: #182338 !important; }

/* dashboard 用的是另一套类名 .stat-card（v2 实心渐变 + 白字 + ::after 半圆装饰）。
   上面的兜底选择器没命中它，因此浅色会白字白底、深色会有半圆灰块压在数字上。
   这里整套收敛成文档风的细线白卡，并把颜色写死，不依赖 CSS 变量解析。 */
html[data-skin="doc"] .stat-card {
  background: hsl(var(--card)) !important;
  border: 1px solid hsl(var(--border)) !important;
  border-radius: 3px !important;
  box-shadow: none !important;
  color: hsl(var(--foreground)) !important;
}
html[data-skin="doc"] .stat-card::after { display: none !important; }
html[data-skin="doc"] .stat-card .sc-num { color: #15171c !important; font-size: 22px !important; }
html[data-skin="doc"] .stat-card .sc-lbl { color: #6b7280 !important; }
html[data-skin="doc"] .stat-card .sc-ico {
  background: hsl(var(--secondary)) !important;
  color: hsl(var(--foreground)) !important;
}
html[data-skin="doc"] .stat-card:hover {
  transform: none !important;
  box-shadow: none !important;
  background: hsl(var(--secondary)) !important;
}
html[data-skin="doc"][data-theme="dark"] .stat-card .sc-num { color: #f2f5fa !important; }
html[data-skin="doc"][data-theme="dark"] .stat-card .sc-lbl { color: #a9b3c7 !important; }
html[data-skin="doc"][data-theme="dark"] .stat-card:hover { background: #182338 !important; }

/* ══════════ 14. 侧栏宽度收敛（最后加载，覆盖历史硬编码 208/224/64/68） ══════════
   只认 :root 的 --sb-w / --sb-w-mini；topbar.left 与 main.margin-left
   必须与 sidebar.width 完全一致，否则会出现「顶栏盖住 logo / 内容错位」。 */
.sidebar { width: var(--sb-w) !important; }
.topbar  { left: var(--sb-w) !important; }
.main    { margin-left: var(--sb-w) !important; }
body .site-foot,
body:has(.main) .site-foot { margin-left: var(--sb-w) !important; }

/* 站点名可能很长（如 TerraDomain 或自定义超长名）：允许折行两行，不再省略号截断 */
.side-brand { height: auto !important; min-height: 58px; padding: 9px 14px !important; gap: 10px; }
.side-brand img { flex: 0 0 32px; width: 32px; height: 32px; }
.side-brand b {
  flex: 1 1 auto;
  min-width: 0;
  display: -webkit-box;
  -webkit-box-orient: vertical;
  -webkit-line-clamp: 2;
  white-space: normal;
  overflow-wrap: anywhere;
  overflow: hidden;
  text-overflow: clip;
  line-height: 1.18;
  font-size: 17px !important;
  letter-spacing: 0;
}

@media (max-width: 1000px) {
  .sidebar { width: var(--sb-w-mini) !important; }
  .topbar  { left: var(--sb-w-mini) !important; }
  .main    { margin-left: var(--sb-w-mini) !important; }
  body .site-foot,
  body:has(.main) .site-foot { margin-left: var(--sb-w-mini) !important; }
}

/* ══════════ 15. 根域名后缀选择器（参考 DnsNeko 注册页） ══════════
   点击右侧后缀按钮展开浮层，每行「.后缀           Free」；
   不再用原生 <select>，避免浏览器弹层样式不可控 / 窄屏被裁。 */
.root-row { position: relative; }
.root-picker { position: relative; flex: 0 0 auto; height: 100%; }
.root-picker-btn {
  height: 100%;
  min-width: 132px;
  display: flex; align-items: center; justify-content: center; gap: 2px;
  padding: 0 14px;
  border: 1px solid hsl(var(--border)) !important;
  border-left: none !important;
  border-radius: 0 var(--radius) var(--radius) 0 !important;
  background: hsl(var(--secondary)) !important;
  color: hsl(var(--foreground)) !important;
  font-family: var(--mono) !important;
  font-size: 14px !important;
  font-weight: 700 !important;
  letter-spacing: .02em;
  white-space: nowrap;
  cursor: pointer;
  transition: background .18s, box-shadow .18s;
}
.root-picker-btn:hover:not(:disabled) { background: hsl(var(--primary) / .08) !important; }
.root-picker-btn:focus-visible { box-shadow: 0 0 0 2px hsl(var(--primary) / .35) !important; }
.root-picker-btn:disabled { opacity: .55; cursor: not-allowed; }
.root-picker-btn.single { cursor: default; }
.root-picker-btn.single:hover { background: hsl(var(--secondary)) !important; }
.root-dot { opacity: .55; margin-right: 1px; }
.root-chev {
  width: 14px; height: 14px; margin-left: 8px; flex: 0 0 14px;
  fill: none; stroke: currentColor; stroke-width: 2; stroke-linecap: round; stroke-linejoin: round;
  opacity: .6; transition: transform .2s;
}
.root-picker-btn[aria-expanded="true"] .root-chev { transform: rotate(180deg); }
.root-picker-btn.single .root-chev { display: none; }

.root-picker-menu {
  position: absolute;
  top: calc(100% + 8px);
  right: 0;
  min-width: 186px;
  z-index: 60;
  padding: 6px;
  background: hsl(var(--background)) !important;
  border: 1px solid hsl(var(--border)) !important;
  border-radius: 12px !important;
  box-shadow: 0 12px 32px hsl(215 25% 20% / .14) !important;
  opacity: 0;
  visibility: hidden;
  transform: translateY(-6px) scale(.98);
  transform-origin: top right;
  transition: opacity .18s ease, transform .18s ease, visibility .18s;
}
.root-picker-menu.show { opacity: 1; visibility: visible; transform: none; }
.root-opt {
  display: flex; align-items: center; justify-content: space-between; gap: 18px;
  width: 100%;
  padding: 10px 12px;
  border-radius: 8px !important;
  font-family: var(--mono) !important;
  font-size: 14px !important;
  font-weight: 600 !important;
  color: hsl(var(--foreground)) !important;
  text-align: left;
  transition: background .15s, color .15s;
}
.root-opt:hover { background: hsl(var(--secondary)) !important; }
.root-opt.on { color: hsl(var(--primary)) !important; background: hsl(var(--primary) / .07) !important; }
.root-opt-name { white-space: nowrap; }
.root-opt-free { font-family: var(--sans) !important; font-size: 12px; font-weight: 500; color: hsl(var(--muted-foreground)); }

@media (max-width: 620px) {
  .root-picker-btn { min-width: 108px; padding: 0 9px; font-size: 12px !important; }
  .root-chev { margin-left: 4px; }
  .root-picker-menu { min-width: 160px; }
}

/* ══════════ 16. 通知下拉面板：文档风实心背景 ══════════
   基础层曾写 background: var(--card, #fff)，而 --card 是裸 HSL 三元组，
   展开成非法颜色被浏览器丢弃 → 面板透明、后面的欢迎条文字透上来。
   这里显式声明不透明纯色，并顺手抹掉渐变 / 毛玻璃 / 彩色高亮。 */
.notif-panel {
  background: #fff !important;                       /* 兜底：令牌缺失时仍是实心 */
  background: hsl(var(--card, 0 0% 100%)) !important;
  border: 1px solid hsl(var(--border, 220 13% 91%)) !important;
  border-radius: var(--radius) !important;
  box-shadow: 0 10px 30px hsl(215 25% 20% / .12) !important;
  backdrop-filter: none !important;
  -webkit-backdrop-filter: none !important;
  color: hsl(var(--foreground, 220 9% 10%)) !important;
  isolation: isolate !important;
}
.notif-panel .np-head {
  background: hsl(var(--secondary, 220 14% 96%)) !important;
  border-bottom: 1px solid hsl(var(--border, 220 13% 91%)) !important;
  font-family: var(--sans) !important;
  font-size: 14px !important;
}
.notif-panel .np-readall {
  color: hsl(var(--primary, 224 79% 47%)) !important;
  font-size: 12px !important;
}
.notif-panel .np-readall:hover { background: hsl(var(--primary, 224 79% 47%) / .08) !important; }
.notif-panel .np-body { background: hsl(var(--card, 0 0% 100%)) !important; }
.notif-panel .np-item { border-radius: 4px !important; }
.notif-panel .np-item:hover { background: hsl(var(--secondary, 220 14% 96%)) !important; }
.notif-panel .np-item.unread { background: hsl(var(--primary, 224 79% 47%) / .06) !important; }
.notif-panel .np-item.unread:hover { background: hsl(var(--primary, 224 79% 47%) / .10) !important; }
.notif-panel .np-t b { color: hsl(var(--foreground, 220 9% 10%)) !important; }
.notif-panel .np-tag {
  background: hsl(var(--secondary, 220 14% 96%)) !important;
  color: hsl(var(--primary, 224 79% 47%)) !important;
  border-radius: 3px !important;
}
.notif-panel .np-b { color: hsl(var(--muted-foreground, 220 6% 43%)) !important; }
.notif-panel .np-empty { color: hsl(var(--muted-foreground, 220 6% 43%)) !important; }
/* 深色下基础层的写死色会串味，统一收口到令牌（深色 --card 自带深色值） */
[data-theme="dark"] .notif-panel,
[data-theme="dark"] .notif-panel .np-body { background: hsl(var(--card, 220 12% 9%)) !important; }
[data-theme="dark"] .notif-panel .np-head { background: hsl(var(--secondary, 220 10% 14%)) !important; }
[data-theme="dark"] .notif-panel .np-item:hover { background: hsl(var(--secondary, 220 10% 14%)) !important; }
[data-theme="dark"] .notif-panel .np-item.unread { background: hsl(var(--primary, 224 79% 47%) / .16) !important; }
[data-theme="dark"] .notif-panel .np-tag { background: hsl(var(--secondary, 220 10% 14%)) !important; }
[data-theme="dark"] .notif-panel .np-b { color: hsl(var(--muted-foreground, 220 8% 62%)) !important; }

/* ══════════ 17. 中英切换器 ══════════ */
.lang-switch {
  display: inline-flex; align-items: center; gap: 1px;
  padding: 3px; margin-left: 4px;
  border: 1px solid hsl(var(--border)) !important;
  border-radius: 6px !important;
  background: hsl(var(--background)) !important;
  white-space: nowrap; vertical-align: middle;
}
.lang-switch button {
  font: 600 11px/1 var(--mono) !important;
  padding: 5px 7px; border-radius: 4px !important;
  color: hsl(var(--muted-foreground)) !important;
  background: transparent !important;
  transition: color .18s, background .18s;
}
.lang-switch button:hover { color: hsl(var(--foreground)) !important; }
.lang-switch button.on {
  background: hsl(var(--primary)) !important;
  color: hsl(var(--primary-foreground)) !important;
}
.lang-switch i {
  font: 11px/1 var(--mono); font-style: normal;
  color: hsl(var(--muted-foreground)); opacity: .45; padding: 0 1px;
}
[data-theme="dark"] .lang-switch { background: hsl(var(--card)) !important; }
@media (max-width: 620px) {
  .lang-switch { padding: 2px; margin-left: 2px; }
  .lang-switch button { padding: 4px 5px; font-size: 10px !important; }
}

/* ══════════ 18. 登录页重做：左品牌 / 右表单 ══════════ */
.auth-wrap {
  max-width: 1080px !important;
  margin: 0 auto !important;
  padding: 76px 32px 88px !important;
  grid-template-columns: minmax(0, 1fr) 400px !important;
  gap: 72px !important;
  align-items: start !important;
}
.auth-intro { padding-top: 22px; }
.auth-eyebrow {
  display: flex; align-items: center; gap: 10px;
  font: 600 11px/1 var(--mono); letter-spacing: .14em;
  color: hsl(var(--primary));
}
.auth-eyebrow i { width: 6px; height: 6px; border-radius: 50%; background: hsl(var(--primary)); flex: 0 0 6px; }
.auth-eyebrow span { opacity: .4; }
.auth-lead {
  font-family: var(--sans) !important;
  font-size: clamp(30px, 3.8vw, 44px) !important;
  line-height: 1.34 !important;
  font-weight: 700 !important;
  letter-spacing: -.025em;
  margin: 26px 0 18px !important;
  color: hsl(var(--foreground)) !important;
}
.auth-intro-sub {
  font-size: 15px !important; line-height: 1.9;
  color: hsl(var(--muted-foreground)); max-width: 430px;
}
.auth-feats { margin-top: 46px; border-top: 1px solid hsl(var(--border)); }
.auth-feat {
  display: flex; gap: 18px; padding: 18px 0;
  border-bottom: 1px solid hsl(var(--border));
}
.auth-feat > b {
  font: 600 12px/1.4 var(--mono); color: hsl(var(--primary));
  width: 26px; flex: 0 0 26px; padding-top: 2px;
}
.auth-feat strong { display: block; font-size: 14px; font-weight: 650; margin-bottom: 5px; }
.auth-feat span { font-size: 12.5px; color: hsl(var(--muted-foreground)); line-height: 1.65; }
.auth-intro-foot { margin-top: 26px; font-size: 12px; color: hsl(var(--muted-foreground)); }
.auth-intro-foot b { color: hsl(var(--foreground)); font-weight: 650; }

.auth-card { padding: 32px !important; }
.auth-card .tabs { margin-bottom: 26px; border-bottom: 1px solid hsl(var(--border)); padding-bottom: 0; }
.auth-card .tab { padding: 8px 0 12px; margin-right: 28px; }
.auth-title { font-size: 26px !important; margin: 0 0 6px !important; }
.auth-sub { margin: 0 0 24px !important; line-height: 1.7; }
.auth-card .field { margin-bottom: 18px; }
.auth-card .input, .auth-card input:not([type=checkbox]) { border-radius: 6px !important; }
.auth-foot {
  display: flex; align-items: center; justify-content: space-between; gap: 12px;
  margin-top: 26px; padding-top: 16px;
  border-top: 1px solid hsl(var(--border));
  font-size: 12px; color: hsl(var(--muted-foreground));
}
.auth-foot a { color: hsl(var(--primary)); font-weight: 600; }
@media (max-width: 900px) {
  .auth-wrap {
    grid-template-columns: 1fr !important;
    gap: 40px !important; padding: 48px 20px 64px !important;
  }
  .auth-intro { padding-top: 0; }
  .auth-feats { margin-top: 30px; }
  .auth-lead { font-size: 32px !important; }
}

/* ══════════ 19. 落地页 Hero：无插画的纯文字版 ══════════ */
.nk-hero-in { grid-template-columns: 1fr !important; }
.nk-hero-txt { max-width: 780px; }
.nk-kicker {
  font: 600 11px/1 var(--mono); letter-spacing: .16em;
  color: hsl(var(--primary)); margin-bottom: 20px;
}
.nk-kicker span { opacity: .4; margin: 0 6px; }
.nk-hero-meta {
  display: flex; flex-wrap: wrap; gap: 28px;
  margin-top: 40px; padding-top: 18px;
  border-top: 1px solid hsl(var(--border));
  font-size: 12.5px; color: hsl(var(--muted-foreground));
}
.nk-hero-meta b { color: hsl(var(--foreground)); font-weight: 650; margin-right: 4px; }
@media (max-width: 900px) { .nk-hero-meta { gap: 16px; margin-top: 28px; } }

/* ══════════════════════════════════════════════════════════════
   20. 全站圆角（用户要求「所有东西都做成圆角」）
   统一令牌 + 末尾权威覆盖，压过前面所有直角 / 2px / 3px 规则。
   ══════════════════════════════════════════════════════════════ */
:root { --radius: 14px; --radius-s: 10px; --radius-l: 20px; }

.card, .stat-card, .quick, .modal-card, .box, .pane, .alert, .badge, .tag,
.pill, .seg, .steps, .msg, .detail, .nk-suf, .nk-svc-card, .nk-res, .nk-tag,
.nk-sbar, .nk-term, .auth-card, .side-mod, .quote, .todo, .checks,
.notif-panel, .user-menu, .lang-switch, .root-picker-menu, .root-opt,
.np-head, .np-item, .um-head, .um-body, .um-foot, .stat, .stat-grid .stat,
table thead th:first-child, table tbody td:first-child,
table thead th:last-child, table tbody td:last-child,
input:not([type=checkbox]):not([type=radio]):not(.reg-label-input),
select, textarea, .btn, .input, .textarea, .field input, .field select {
  border-radius: var(--radius-s) !important;
}
.card, .modal-card, .stat-card, .quick, .detail, .notif-panel, .user-menu,
.steps, .reg-steps, .reg-card, .reg-domain-box, .zx-metric, .zx-search,
.nk-sbar, .nk-term, .whois-search, .checks, .box {
  border-radius: var(--radius) !important;
}
.btn, .pill, .zx-pills a, .zx-nav-btn, .zx-nav-cta, .seg button,
.tag, .badge, .lang-switch, .root-picker-btn, .root-opt, .np-item {
  border-radius: 999px !important;
}
.nk-hot, .nk-s-tag, .nk-tag, .badge { border-radius: 6px !important; }
.topbar, .sidebar, .home-top, .site-nav { border-radius: 0 !important; }
.side-item, .side-item.on::before { border-radius: var(--radius-s) !important; }
.acc, .acc-body, .reg-summary, .reg-notice, .reg-field-head { border-radius: var(--radius-s) !important; }

/* ══════════ 21. 后缀选择器嵌入输入框（并修深色白块） ══════════
   旧实现里 .root-opt 是 <button> 却没有显式背景，深色模式下落到浏览器
   默认 buttonface（浅色），看起来就是一块白色；同时浮层定位飘到内容右侧。
   这里把背景、层级、锚点全部写死，深浅两套都给实心色。 */
.reg-domain-box {
  display: flex; align-items: center; gap: 8px;
  width: 100%; padding: 6px 8px 6px 18px;
  border: 1px solid hsl(var(--border)) !important;
  background: hsl(var(--card)) !important;
  box-shadow: 0 0 0 0 transparent;
  transition: border-color .18s, box-shadow .18s;
}
.reg-domain-box:focus-within {
  border-color: hsl(var(--primary)) !important;
  box-shadow: 0 0 0 3px hsl(var(--primary) / .14) !important;
}
.reg-label-input {
  flex: 1 1 auto; min-width: 0;
  border: none !important; outline: none !important; box-shadow: none !important;
  background: transparent !important; color: hsl(var(--foreground)) !important;
  font: 500 17px/1.5 var(--sans) !important; padding: 12px 0 !important;
}
.reg-label-input::placeholder { color: hsl(var(--muted-foreground)); font-weight: 500; }
.reg-count, .reg-note-count span { font: 12px/1 var(--mono); color: hsl(var(--muted-foreground)); white-space: nowrap; }
.root-picker { position: relative; flex: 0 0 auto; }
.root-picker-btn {
  min-width: 132px; height: 44px;
  display: inline-flex; align-items: center; justify-content: center; gap: 2px;
  padding: 0 16px;
  border: 1px solid hsl(var(--border)) !important;
  border-radius: 999px !important;
  background: hsl(var(--secondary)) !important;
  color: hsl(var(--foreground)) !important;
  font: 700 15px/1 var(--mono) !important;
  cursor: pointer; transition: background .18s, transform .18s;
}
.root-picker-btn:hover:not(:disabled) { background: hsl(var(--primary) / .12) !important; }
.root-picker-btn.single { cursor: default; }
.root-picker-btn[aria-expanded="true"] { background: hsl(var(--primary) / .16) !important; }
.root-dot { opacity: .5; }
.root-chev { width: 14px; height: 14px; margin-left: 8px; fill: none; stroke: currentColor; stroke-width: 2; transition: transform .2s; }
.root-picker-btn[aria-expanded="true"] .root-chev { transform: rotate(180deg); }

.root-picker-menu {
  position: absolute; top: calc(100% + 10px); right: 0;
  min-width: 210px; z-index: 70; padding: 6px;
  background: hsl(var(--card)) !important;
  border: 1px solid hsl(var(--border)) !important;
  border-radius: var(--radius) !important;
  box-shadow: 0 14px 36px hsl(215 25% 20% / .18) !important;
  opacity: 0; visibility: hidden; transform: translateY(-6px) scale(.98);
  transition: opacity .18s, transform .18s, visibility .18s;
}
.root-picker-menu.show { opacity: 1; visibility: visible; transform: none; }
.root-opt {
  display: flex; align-items: center; justify-content: space-between; gap: 18px;
  width: 100%; padding: 11px 14px; margin: 0;
  border: none !important;
  background: transparent !important;
  color: hsl(var(--foreground)) !important;
  font: 600 14px/1.3 var(--mono) !important;
  text-align: left; transition: background .15s, color .15s;
}
.root-opt:hover { background: hsl(var(--secondary)) !important; }
.root-opt.on { background: hsl(var(--primary) / .14) !important; color: hsl(var(--primary)) !important; }
.root-opt-free { font: 500 12px/1 var(--sans) !important; color: hsl(var(--muted-foreground)); }
/* 深色：显式实心背景，杜绝 UA 默认 buttonface 造成的白块 */
html[data-theme="dark"] .root-picker-menu { background: hsl(220 12% 13%) !important; border-color: hsl(220 10% 26%) !important; }
html[data-theme="dark"] .root-opt { background: transparent !important; color: hsl(220 12% 92%) !important; }
html[data-theme="dark"] .root-opt:hover { background: hsl(220 10% 20%) !important; }
html[data-theme="dark"] .root-opt.on { background: hsl(220 100% 74% / .18) !important; color: hsl(220 100% 74%) !important; }
html[data-theme="dark"] .root-picker-btn { background: hsl(220 10% 16%) !important; color: hsl(220 12% 92%) !important; }
html[data-theme="dark"] .reg-domain-box { background: hsl(220 12% 11%) !important; }
@media (max-width: 620px) {
  .root-picker-btn { min-width: 104px; padding: 0 10px; font-size: 12px !important; }
  .root-picker-menu { min-width: 175px; }
}

/* ══════════ 22. 注册页四步向导（参考 DnsNeko） ══════════ */
.reg-wrap { max-width: 980px !important; margin: 0 auto !important; }
.reg-steps {
  display: flex; justify-content: space-between; position: relative;
  margin: 24px 0 22px; padding: 20px 34px;
  background: hsl(var(--card)) !important;
  border: 1px solid hsl(var(--border)) !important;
}
.reg-steps::before { content: ""; position: absolute; left: 12%; right: 12%; top: 35px; height: 2px; background: hsl(var(--border)); }
.reg-step { position: relative; z-index: 1; display: flex; flex-direction: column; align-items: center; gap: 9px; padding: 0 12px; background: hsl(var(--card)); font-size: 14px; font-weight: 600; color: hsl(var(--muted-foreground)); }
.reg-step i { width: 32px; height: 32px; border-radius: 50%; border: 2px solid hsl(var(--border)); display: grid; place-items: center; font-style: normal; font: 700 14px/1 var(--mono); background: hsl(var(--card)); transition: .25s; }
.reg-step.active { color: hsl(var(--primary)); }
.reg-step.active i { background: hsl(var(--primary)); border-color: hsl(var(--primary)); color: hsl(var(--primary-foreground)); box-shadow: 0 0 0 6px hsl(var(--primary) / .13); }
.reg-step.done i { border-color: hsl(var(--success)); color: hsl(var(--success)); background: hsl(var(--success) / .1); }
.reg-notice { border-radius: var(--radius-s) !important; padding: 12px 18px; margin-bottom: 14px; font-size: 13.5px; font-weight: 600; text-align: center; }
.reg-notice.gray { background: hsl(var(--secondary)); color: hsl(var(--muted-foreground)); border: 1px solid hsl(var(--border)); }
.reg-notice.blue { background: hsl(var(--primary)); color: hsl(var(--primary-foreground)); }
.reg-notice.blue b { display: inline-grid; place-items: center; width: 18px; height: 18px; border: 1.5px solid currentColor; border-radius: 50%; margin-right: 8px; font-size: 12px; }
.reg-pane { display: none; animation: fade .3s var(--ease); }
.reg-pane.active { display: block; }
.reg-card { padding: 24px !important; }
.reg-field-head { display: flex; align-items: flex-start; gap: 14px; padding: 14px; margin-bottom: 16px; background: hsl(var(--secondary)); }
.reg-field-head h3 { font-size: 16px; font-weight: 700; margin: 0 0 4px; }
.reg-field-head em { font-style: normal; font-size: 11px; font-weight: 700; color: hsl(var(--destructive)); background: hsl(var(--destructive) / .1); padding: 2px 8px; border-radius: 999px; margin-left: 8px; }
.reg-field-head p { font-size: 12.5px; color: hsl(var(--muted-foreground)); margin: 0; }
.reg-ico { width: 38px; height: 38px; flex: 0 0 38px; border-radius: 12px !important; display: grid; place-items: center; background: hsl(var(--primary) / .12); color: hsl(var(--primary)); font-size: 18px; }
.reg-ico.warm { background: hsl(var(--warning) / .14); color: hsl(var(--warning)); }
.reg-note { width: 100%; min-height: 128px; resize: vertical; padding: 14px 16px !important; }
.reg-note-count { display: flex; justify-content: space-between; font-size: 12px; color: hsl(var(--muted-foreground)); margin-top: 6px; }
.reg-acc .acc { border-top: 1px dashed hsl(var(--border)); padding: 13px 6px; font-weight: 650; }
.reg-acc .acc-body { padding: 0 6px 14px 26px; color: hsl(var(--muted-foreground)); font-size: 13px; line-height: 1.85; }
.reg-checks { display: grid; gap: 12px; padding: 16px; margin-top: 8px; background: hsl(var(--warning) / .07); border: 1px solid hsl(var(--warning) / .3); }
.reg-checks label { display: flex; gap: 10px; align-items: center; font-size: 13.5px; cursor: pointer; }
.reg-actions { display: flex; justify-content: center; align-items: center; gap: 12px; margin-top: 24px; }
.reg-actions .btn { min-width: 120px; }
.reg-actions.center { justify-content: center; }
.reg-summary { display: grid; gap: 0; border: 1px solid hsl(var(--border)); overflow: hidden; }
.reg-summary > div { display: flex; justify-content: space-between; gap: 20px; padding: 15px 18px; border-bottom: 1px solid hsl(var(--border)); font-size: 14px; }
.reg-summary > div:last-child { border-bottom: none; }
.reg-summary span { color: hsl(var(--muted-foreground)); }
.reg-summary b { font-weight: 650; text-align: right; word-break: break-all; }
.reg-confirm { margin-top: 18px !important; }
.reg-done { text-align: center; padding: 40px 24px !important; }
.reg-done-ico { width: 64px; height: 64px; margin: 0 auto 18px; border-radius: 50%; display: grid; place-items: center; font-size: 30px; color: hsl(var(--success)); background: hsl(var(--success) / .12); }
.reg-done h3 { font-size: 22px; margin: 0 0 10px; }
.reg-done .mono { font-size: 17px; font-weight: 700; margin: 0 0 8px; }
.reg-done .dim { color: hsl(var(--muted-foreground)); font-size: 13px; }
.reg-faq { margin-top: 20px !important; }
.reg-faq .acc { font-weight: 650; padding: 13px 4px; border-top: 1px dashed hsl(var(--border)); cursor: pointer; }
.reg-faq .acc-body { display: block !important; padding: 0 4px 14px 22px; color: hsl(var(--muted-foreground)); font-size: 13px; line-height: 1.85; }
@media (max-width: 700px) {
  .reg-steps { padding: 16px 8px; }
  .reg-step { font-size: 11px; padding: 0 4px; }
  .reg-step i { width: 27px; height: 27px; font-size: 12px; }
  .reg-notice { font-size: 12px; padding: 10px 12px; }
  .reg-card { padding: 18px !important; }
}

/* ══════════ 23. 落地页 Zerexa 风格 ══════════ */
.zx-hero { padding: 70px 0 60px !important; }
.zx-kicker { font: 700 12px/1 var(--mono); letter-spacing: .13em; color: hsl(var(--muted-foreground)); margin-bottom: 22px; }
.zx-kicker span { margin: 0 8px; opacity: .5; }
.zx-title { font: 800 clamp(38px, 6.6vw, 82px)/1.12 var(--sans) !important; letter-spacing: -.045em !important; margin: 0 0 20px !important; color: hsl(var(--foreground)) !important; }
.zx-title span { color: hsl(var(--muted-foreground)) !important; }
.zx-sub { font-size: 16px !important; line-height: 1.85; color: hsl(var(--muted-foreground)); max-width: 780px; margin: 0 0 34px !important; }
.zx-search { display: flex; align-items: center; gap: 0; width: 100%; max-width: 940px; border: 1px solid hsl(var(--border)) !important; background: hsl(var(--card)) !important; overflow: hidden; transition: border-color .2s, box-shadow .2s; }
.zx-search:focus-within { border-color: hsl(var(--foreground)) !important; box-shadow: 0 0 0 3px hsl(var(--foreground) / .08) !important; }
.zx-search > input { flex: 1 1 auto; min-width: 0; border: none !important; outline: none !important; box-shadow: none !important; background: transparent !important; padding: 20px 24px !important; font: 500 17px/1.4 var(--sans) !important; color: hsl(var(--foreground)) !important; }
.zx-search > input::placeholder { color: hsl(var(--muted-foreground)); }
.zx-root-wrap, .whois-root-wrap { position: relative; flex: 0 0 auto; display: flex; align-items: center; border-left: 1px solid hsl(var(--border)); }
.zx-root-wrap select, .whois-root-wrap select {
  appearance: none; -webkit-appearance: none;
  border: none !important; outline: none !important; box-shadow: none !important;
  background: transparent !important; color: hsl(var(--foreground)) !important;
  font: 600 16px/1 var(--sans) !important; padding: 20px 44px 20px 22px !important;
  cursor: pointer; max-width: 220px;
}
.zx-root-wrap svg, .whois-root-wrap svg { position: absolute; right: 18px; width: 14px; height: 14px; fill: none; stroke: currentColor; stroke-width: 2; pointer-events: none; color: hsl(var(--muted-foreground)); }
.zx-search-btn { flex: 0 0 auto; align-self: stretch; padding: 0 38px; border: none !important; border-radius: 0 !important; background: hsl(var(--foreground)) !important; color: hsl(var(--background)) !important; font: 700 16px/1 var(--sans) !important; cursor: pointer; transition: opacity .2s; }
.zx-search-btn:hover { opacity: .82; }
.zx-results { display: grid; grid-template-columns: repeat(auto-fit, minmax(250px, 1fr)); gap: 12px; margin-top: 16px; max-width: 940px; }
.zx-results:empty { display: none; }
.zx-pills { display: flex; flex-wrap: wrap; gap: 10px; margin: 26px 0 46px; }
.zx-pills a { padding: 11px 22px; border: 1px solid hsl(var(--border)); background: hsl(var(--card)); color: hsl(var(--foreground)); font-size: 14px; font-weight: 650; text-decoration: none; transition: transform .18s, background .18s; }
.zx-pills a:hover { transform: translateY(-2px); }
.zx-pills a.on { background: hsl(var(--foreground)); color: hsl(var(--background)); border-color: hsl(var(--foreground)); }
.zx-metrics { display: grid; grid-template-columns: repeat(4, 1fr); gap: 14px; max-width: 1080px; }
.zx-metric { display: flex; flex-direction: column; gap: 6px; padding: 22px 24px; border: 1px solid hsl(var(--border)) !important; background: hsl(var(--card)) !important; }
.zx-m-lbl { font-size: 12.5px; color: hsl(var(--muted-foreground)); }
.zx-metric b { font-size: 24px; font-weight: 750; letter-spacing: -.02em; }
.zx-metric small { font-size: 11.5px; color: hsl(var(--muted-foreground)); }
.zx-nav-btn, .zx-nav-cta { padding: 9px 18px !important; }
@media (max-width: 860px) {
  .zx-hero { padding: 48px 0 40px !important; }
  .zx-title { font-size: clamp(34px, 9vw, 54px) !important; }
  .zx-metrics { grid-template-columns: repeat(2, 1fr); }
  .zx-search { flex-wrap: wrap; }
  .zx-search > input { flex-basis: 100%; }
  .zx-root-wrap { border-left: none; border-top: 1px solid hsl(var(--border)); flex: 1 1 auto; }
  .zx-root-wrap select { width: 100%; }
  .zx-search-btn { flex: 0 0 120px; border-top: 1px solid hsl(var(--border)); }
}

/* ══════════ 24. WHOIS 页搜索框 ══════════ */
.whois-search { display: flex; align-items: stretch; gap: 0; border: 1px solid hsl(var(--border)) !important; background: hsl(var(--card)) !important; overflow: hidden; }
.whois-search > input { flex: 1 1 auto; min-width: 0; border: none !important; outline: none !important; box-shadow: none !important; background: transparent !important; padding: 14px 18px !important; font: 500 15px/1.4 var(--sans) !important; }
.whois-root-wrap select { font-size: 14px !important; padding: 14px 40px 14px 16px !important; }
.whois-search .btn { border-radius: 0 !important; padding: 0 26px !important; }
@media (max-width: 620px) {
  .whois-search { flex-wrap: wrap; }
  .whois-search > input { flex-basis: 100%; }
  .whois-root-wrap { border-left: none; border-top: 1px solid hsl(var(--border)); flex: 1 1 auto; }
  .whois-root-wrap select { width: 100%; }
}