/* ==========================================================================
   Kingtone Spectrum Database — multi-page static site
   深空工业风（2026-10-30 改造）：与主站 kingtone-site 同一套设计语言
   —— ink-950 深底 + scan 青强调 + HUD 等宽小标签 + 面板 + 角标 + 网格底纹。

   🔴 报告层（.rp-*）**保持浅色**：它是要打印出来交给客户的工程文档，
      深色底打印出来是灾难。屏幕上它是一张「白纸」，符合直觉。
   ========================================================================== */
:root {
  /* —— 与主站 globals.css 对齐 —— */
  --bg: #05070e; /* ink-950 */
  --bg2: #080c16; /* ink-900 */
  --panel: #0d1424; /* ink-800 */
  --panel-2: #111a2e;
  --ink: #f1f5f9; /* text-hi */
  --ink2: #a8b6c8; /* text-mid */
  --muted: #7c8ba1; /* text-low */
  --line: rgba(148, 163, 184, 0.16);
  --line-2: rgba(148, 163, 184, 0.1);
  --brand: #22d3ee; /* scan —— 强调色 */
  --brand-soft: rgba(34, 211, 238, 0.14);
  --brand-line: rgba(34, 211, 238, 0.28);
  --beam: #3b82f6;
  --brand-deep: #0b3b6f; /* 品牌深蓝：logo 底色 */
  --accent: #f59e0b; /* signal —— 只用于警示 */
  --ok: #34d399;
}
* {
  box-sizing: border-box;
}
html {
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
  scroll-padding-top: 96px;
}
body {
  margin: 0;
  background: var(--bg);
  color: var(--ink2);
  font: 15px/1.65 -apple-system, 'Segoe UI', 'Microsoft YaHei', 'PingFang SC', Roboto,
    sans-serif;
  -webkit-font-smoothing: antialiased;
  position: relative;
}
/* 主站的网格底纹 + 顶部光晕 */
body::before {
  content: '';
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 0;
  background-image: linear-gradient(to right, rgba(148, 163, 184, 0.055) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(148, 163, 184, 0.055) 1px, transparent 1px);
  background-size: 34px 34px;
}
body::after {
  content: '';
  position: fixed;
  left: 0;
  right: 0;
  top: -180px;
  height: 420px;
  pointer-events: none;
  z-index: 0;
  background: radial-gradient(ellipse at 50% 0%, rgba(34, 211, 238, 0.1), transparent 62%);
}
body > * {
  position: relative;
  z-index: 1;
}
a {
  color: var(--brand);
  text-decoration: none;
}
a:hover {
  text-decoration: underline;
}
img,
svg {
  max-width: 100%;
}
h1 {
  font-size: 27px;
  line-height: 1.3;
  margin: 6px 0 10px;
  font-weight: 600;
  color: var(--ink);
}
h2 {
  font-size: 19px;
  margin: 34px 0 14px;
  padding-left: 12px;
  border-left: 2px solid var(--brand);
  font-weight: 600;
  color: var(--ink);
}
h3 {
  margin: 0 0 6px;
  font-size: 16px;
  font-weight: 600;
  color: var(--ink);
}
.muted {
  color: var(--muted);
  font-weight: 400;
}
.small {
  font-size: 12.5px;
}
.note {
  background: rgba(245, 158, 11, 0.09);
  border: 1px solid rgba(245, 158, 11, 0.3);
  color: #fbbf24;
  border-radius: 8px;
  padding: 7px 12px;
  font-size: 13.5px;
  display: inline-block;
  margin: 6px 0 0;
}
code {
  background: rgba(34, 211, 238, 0.1);
  color: #67e8f9;
  padding: 1px 6px;
  border-radius: 4px;
  font-size: 13px;
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
}

/* ---------- HUD 等宽小标签（与主站一致） ---------- */
.hud {
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.22em;
  color: var(--brand);
}

/* ---------- 面板角标（与主站 .corner-marks 同一套） ---------- */
.corner {
  --cm: rgba(34, 211, 238, 0.5);
  --cm-len: 12px;
  position: relative;
}
.corner::before,
.corner::after {
  content: '';
  position: absolute;
  width: var(--cm-len);
  height: var(--cm-len);
  pointer-events: none;
}
.corner::before {
  top: -1px;
  left: -1px;
  border-top: 1px solid var(--cm);
  border-left: 1px solid var(--cm);
  border-top-left-radius: 10px;
}
.corner::after {
  bottom: -1px;
  right: -1px;
  border-bottom: 1px solid var(--cm);
  border-right: 1px solid var(--cm);
  border-bottom-right-radius: 10px;
}

/* ---------- 顶栏 ---------- */
.topbar {
  position: sticky;
  top: 0;
  z-index: 20;
  background: rgba(8, 12, 22, 0.88);
  border-bottom: 1px solid var(--brand-line);
  backdrop-filter: saturate(1.3) blur(10px);
}
.topbar-inner {
  max-width: 1120px;
  margin: 0 auto;
  padding: 10px 20px;
  display: flex;
  align-items: center;
  gap: 18px;
  flex-wrap: wrap;
}
.brand {
  display: flex;
  align-items: center;
  gap: 10px;
  color: var(--ink);
}
.brand:hover {
  text-decoration: none;
}
.logo {
  width: 36px;
  height: 36px;
  border-radius: 9px;
  background: var(--brand-deep);
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  font-size: 14px;
  letter-spacing: 0.5px;
  flex: none;
  box-shadow: 0 0 0 1px rgba(34, 211, 238, 0.3);
}
.brand b {
  display: block;
  line-height: 1.2;
  font-size: 14.5px;
  color: var(--ink);
}
.brand small {
  color: var(--muted);
  font-size: 11px;
  letter-spacing: 0.2px;
}
.nav {
  display: flex;
  gap: 2px;
  flex-wrap: wrap;
  margin-left: auto;
}
.nav a {
  padding: 7px 12px;
  border-radius: 8px;
  color: var(--ink2);
  font-weight: 500;
  font-size: 14px;
}
.nav a:hover {
  background: var(--brand-soft);
  color: var(--ink);
  text-decoration: none;
}
.nav a.on {
  background: var(--brand-soft);
  color: var(--brand);
  box-shadow: inset 0 0 0 1px var(--brand-line);
}
.nav a.site-back {
  color: var(--brand);
  border: 1px solid var(--brand-line);
}
.nav a.site-back:hover {
  background: var(--brand-soft);
}
.subnav {
  background: rgba(8, 12, 22, 0.72);
  border-bottom: 1px solid var(--line);
  font-size: 13px;
}
.subnav-inner {
  max-width: 1120px;
  margin: 0 auto;
  padding: 7px 20px;
  display: flex;
  gap: 14px;
  flex-wrap: wrap;
  color: var(--ink2);
}
.subnav a {
  color: var(--ink2);
}
.subnav a:hover {
  color: var(--brand);
}
.subnav span.sep {
  color: #46546a;
}

/* ---------- 布局 ---------- */
main {
  max-width: 1120px;
  margin: 0 auto;
  padding: 22px 20px 56px;
}
main.narrow {
  max-width: 900px;
}
.crumbs {
  font-size: 12.5px;
  color: var(--muted);
  margin-bottom: 12px;
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  letter-spacing: 0.04em;
}
.crumbs a {
  color: var(--ink2);
}
.crumbs a:hover {
  color: var(--brand);
}
.crumbs span {
  margin: 0 4px;
  color: #46546a;
}

/* ---------- 首页 ---------- */
.hero {
  position: relative;
  overflow: hidden;
  background: linear-gradient(180deg, rgba(13, 20, 36, 0.92), rgba(5, 7, 14, 0.92));
  border: 1px solid var(--line);
  border-radius: 14px;
  padding: 38px 34px 30px;
  margin-bottom: 22px;
  box-shadow: 0 22px 50px -30px rgba(34, 211, 238, 0.45);
}
.hero::before {
  content: '';
  position: absolute;
  inset: 0;
  pointer-events: none;
  background-image: linear-gradient(to right, rgba(148, 163, 184, 0.06) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(148, 163, 184, 0.06) 1px, transparent 1px);
  background-size: 34px 34px;
}
.hero > * {
  position: relative;
}
.hero .kicker {
  display: inline-block;
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  font-size: 11px;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  border: 1px solid var(--brand-line);
  border-radius: 999px;
  padding: 3px 11px;
  margin-bottom: 12px;
  color: var(--brand);
  background: var(--brand-soft);
}
.hero h1 {
  font-size: 32px;
  margin: 0 0 10px;
}
.hero p {
  max-width: 660px;
  margin: 0 0 18px;
  color: var(--ink2);
}
.hero-actions {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
  margin-bottom: 22px;
}
.hero-stats {
  display: flex;
  gap: 30px;
  flex-wrap: wrap;
}
.hero-stats b {
  display: block;
  font-size: 24px;
  font-weight: 600;
  color: var(--ink);
}
.hero-stats span {
  font-size: 12px;
  color: var(--muted);
}

/* ---------- 按钮 ---------- */
.btn {
  display: inline-block;
  padding: 9px 18px;
  border-radius: 9px;
  font-weight: 600;
  border: 1px solid var(--brand-line);
  background: var(--brand-soft);
  color: var(--brand);
  cursor: pointer;
  font-size: 14px;
  transition: all 0.2s ease;
}
.btn:hover {
  background: rgba(34, 211, 238, 0.2);
  color: #a5f3fc;
  text-decoration: none;
}
.btn.primary {
  background: var(--brand);
  border-color: var(--brand);
  color: #04121a;
}
.btn.primary:hover {
  background: #67e8f9;
  color: #04121a;
}
.btn.ghost {
  background: transparent;
  color: var(--ink2);
  border-color: var(--line);
}
.btn.ghost:hover {
  background: rgba(148, 163, 184, 0.08);
  color: var(--ink);
}
main .btn.ghost {
  color: var(--ink2);
}

/* ---------- 卡片 / 面板 ---------- */
.grid4 {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(230px, 1fr));
  gap: 14px;
  margin-bottom: 8px;
}
.grid3 {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(310px, 1fr));
  gap: 14px;
}
.grid2 {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: 16px;
}
.card {
  background: linear-gradient(180deg, rgba(13, 20, 36, 0.9), rgba(8, 12, 22, 0.9));
  border: 1px solid var(--line);
  border-radius: 12px;
  padding: 16px 18px;
  color: var(--ink);
  display: block;
  transition: all 0.3s cubic-bezier(0.22, 1, 0.36, 1);
}
.card:hover {
  border-color: var(--brand-line);
  box-shadow: 0 22px 50px -30px rgba(34, 211, 238, 0.55);
  text-decoration: none;
}
.card p {
  margin: 4px 0 0;
  color: var(--ink2);
  font-size: 13.5px;
}
.card .count {
  font-size: 12px;
  color: var(--muted);
  margin-top: 8px;
  display: block;
}

/* ---------- 国家卡片 ---------- */
.country .c-head {
  display: flex;
  gap: 12px;
  align-items: center;
  margin-bottom: 10px;
}
.flag {
  font-size: 28px;
  line-height: 1;
}
.flag.big {
  font-size: 40px;
}
.c-meta {
  display: flex;
  gap: 14px;
  font-size: 12.5px;
  color: var(--ink2);
  flex-wrap: wrap;
}
.country-head {
  display: flex;
  gap: 16px;
  align-items: flex-start;
}
.country-head h1 {
  margin: 2px 0 4px;
}

/* ---------- 图表 ---------- */
.donut-wrap {
  background: linear-gradient(180deg, rgba(13, 20, 36, 0.9), rgba(8, 12, 22, 0.9));
  border: 1px solid var(--line);
  border-radius: 12px;
  padding: 18px;
  display: flex;
  gap: 26px;
  align-items: center;
  flex-wrap: wrap;
}
.donut {
  width: 168px;
  height: 168px;
  flex: none;
}
.donut-legend {
  display: flex;
  flex-direction: column;
  gap: 7px;
}
.lg {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  font-size: 13px;
  color: var(--ink2);
}
.lg i {
  width: 12px;
  height: 12px;
  border-radius: 3px;
  flex: none;
}
.band-card {
  background: linear-gradient(180deg, rgba(13, 20, 36, 0.9), rgba(8, 12, 22, 0.9));
  border: 1px solid var(--line);
  border-radius: 12px;
  padding: 14px 18px 12px;
  margin-bottom: 12px;
}
.band-head {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  gap: 10px;
  flex-wrap: wrap;
  margin-bottom: 8px;
}
.band-legend {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
  margin-top: 6px;
}
.dot {
  display: inline-block;
  width: 11px;
  height: 11px;
  border-radius: 3px;
  margin-right: 6px;
  vertical-align: -1px;
}

/* ---------- 表格 ---------- */
.table-wrap {
  overflow-x: auto;
  background: linear-gradient(180deg, rgba(13, 20, 36, 0.9), rgba(8, 12, 22, 0.9));
  border: 1px solid var(--line);
  border-radius: 12px;
}
table {
  border-collapse: collapse;
  width: 100%;
  font-size: 14px;
}
th,
td {
  text-align: left;
  padding: 9px 14px;
  border-bottom: 1px solid var(--line-2);
  vertical-align: top;
  color: var(--ink2);
}
thead th {
  background: rgba(34, 211, 238, 0.07);
  font-size: 12px;
  color: var(--ink);
  white-space: nowrap;
  font-weight: 600;
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  letter-spacing: 0.06em;
}
tbody tr:last-child td {
  border-bottom: none;
}
tbody tr:hover td {
  background: rgba(34, 211, 238, 0.045);
}
td.num,
th.num {
  text-align: right;
  font-variant-numeric: tabular-nums;
}

/* ---------- 工具 ---------- */
.toolbar {
  display: flex;
  gap: 14px;
  align-items: center;
  flex-wrap: wrap;
  margin: 10px 0 18px;
}
.search {
  flex: 1;
  min-width: 240px;
  padding: 9px 14px;
  border: 1px solid var(--line);
  border-radius: 9px;
  font-size: 14px;
  background: rgba(13, 20, 36, 0.9);
  color: var(--ink);
  outline: none;
  transition: border-color 0.2s ease;
}
.search:focus {
  border-color: var(--brand);
  box-shadow: 0 0 0 3px rgba(34, 211, 238, 0.12);
}
.tabs {
  display: flex;
  gap: 6px;
  flex-wrap: wrap;
}
.tabs button {
  border: 1px solid var(--line);
  background: rgba(13, 20, 36, 0.7);
  color: var(--ink2);
  padding: 6px 13px;
  border-radius: 999px;
  cursor: pointer;
  font-size: 13px;
  transition: all 0.2s ease;
}
.tabs button:hover {
  border-color: var(--brand-line);
  color: var(--ink);
}
.tabs button.on {
  background: var(--brand-soft);
  border-color: var(--brand-line);
  color: var(--brand);
}

/* ---------- CTA ---------- */
.cta {
  margin: 30px 0 0;
  background: rgba(13, 20, 36, 0.85);
  border: 1px solid var(--line);
  border-left: 2px solid var(--brand);
  border-radius: 12px;
  padding: 18px 20px;
  display: flex;
  gap: 18px;
  align-items: center;
  flex-wrap: wrap;
}
.cta .cta-txt {
  flex: 1;
  min-width: 260px;
}
.cta h3 {
  font-size: 15px;
  margin: 0 0 4px;
  color: var(--ink);
}
.cta p {
  margin: 0;
  font-size: 13.5px;
  color: var(--ink2);
}

/* ---------- 相关链接 ---------- */
.related {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
  margin-top: 10px;
}
.chip-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 5px 11px;
  border-radius: 999px;
  background: rgba(13, 20, 36, 0.7);
  border: 1px solid var(--line);
  font-size: 13px;
  color: var(--ink2);
  transition: all 0.2s ease;
}
.chip-link:hover {
  border-color: var(--brand-line);
  color: var(--brand);
  text-decoration: none;
}

/* ---------- 桥接区块补充（方案 A：aside.cta 内的第二链接/多按钮） ---------- */
/* .bridge-actions：国家页频段能力块的多条产品线按钮，纵向排列防挤压 */
.bridge-actions {
  display: flex;
  flex-direction: column;
  gap: 8px;
}
.bridge-actions .btn {
  white-space: nowrap;
}
/* .bridge-more：区块内次级 chip 链接，占满一行落在主按钮下方 */
.bridge-more {
  flex-basis: 100%;
  margin-top: 2px;
}

/* ---------- 计算器 ---------- */
.calc label {
  display: block;
  font-size: 13px;
  color: var(--ink2);
  margin: 12px 0 4px;
}
/* 🔴 2026-10-30 修：这条规则原来是无差别命中**所有** input，
   包括复选框 —— `width: 100%` 把复选框拉成整行宽，
   Chrome 会把勾选标记画在框的**中间**（不是左侧）。
   结果是「文字在左边、勾在中间偏右」，看着像文字和选项被拆成两行，
   很容易勾错频段（用户 2026-10-30 实测反馈）。
   → 只让**文本类**输入框占满宽，复选框/单选/文件保持自然尺寸。 */
.calc select,
.calc input[type='text'],
.calc input[type='number'],
.calc input[type='email'],
.calc input[type='url'],
.calc input[type='search'],
.calc input[type='tel'],
.calc textarea {
  width: 100%;
  padding: 8px 12px;
  border: 1px solid var(--line);
  border-radius: 8px;
  font-size: 14px;
  background: rgba(8, 12, 22, 0.8);
  color: var(--ink);
  outline: none;
  font-family: inherit;
}
/* 复选框 / 单选：自然尺寸，且紧贴它的文字 */
.calc input[type='checkbox'],
.calc input[type='radio'] {
  width: auto;
  min-width: 0;
  margin: 0;
  flex: none;
  accent-color: var(--brand);
  cursor: pointer;
}
.calc select:focus,
.calc input[type='text']:focus,
.calc input[type='number']:focus,
.calc input[type='email']:focus,
.calc textarea:focus {
  border-color: var(--brand);
  box-shadow: 0 0 0 3px rgba(34, 211, 238, 0.12);
}
.calc select option {
  background: #0d1424;
  color: #f1f5f9;
}
.calc .btn {
  margin-top: 14px;
}
.calc-out {
  margin-top: 14px;
}
.calc-out table td,
.calc-out table th {
  border: none;
  border-bottom: 1px dashed var(--line);
}
.calc-out b {
  color: var(--brand);
  font-size: 16px;
}
.warn {
  color: #fca5a5;
  font-size: 13px;
}

/* ---------- 免责声明 / 页脚 ---------- */
.disclaimer {
  margin-top: 34px;
  background: rgba(13, 20, 36, 0.6);
  border: 1px solid var(--line);
  border-radius: 12px;
  padding: 14px 18px;
  font-size: 13px;
  color: var(--muted);
}
.footer {
  border-top: 1px solid var(--line);
  background: rgba(8, 12, 22, 0.7);
  margin-top: 20px;
}
.footer-inner {
  max-width: 1120px;
  margin: 0 auto;
  padding: 22px 20px 26px;
  font-size: 13px;
  color: var(--ink2);
  display: flex;
  justify-content: space-between;
  gap: 18px;
  flex-wrap: wrap;
}
.footer a {
  color: var(--ink2);
}
.footer a:hover {
  color: var(--brand);
}
.footer-links {
  display: flex;
  gap: 14px;
  flex-wrap: wrap;
}

@media (max-width: 760px) {
  .topbar-inner {
    padding: 10px 14px;
    gap: 10px;
  }
  .nav {
    margin-left: 0;
  }
  .nav a {
    padding: 6px 9px;
    font-size: 13px;
  }
  main {
    padding: 18px 14px 44px;
  }
  .hero {
    padding: 26px 20px;
  }
  .hero h1 {
    font-size: 24px;
  }
  .hero-stats {
    gap: 20px;
  }
  h1 {
    font-size: 22px;
  }
}

/* ───────────────────────── 工程计算报告 ─────────────────────────
   设计前提（2026-10-27 定档）：**计算全免费，报告本身完整可用**。
   报告是「让工程师能直接交出去」的文件 —— 第 4 节是建议配置与设备清单，
   工程师把它转给领导或客户时，带出去的是我们的选型与品牌。
   登录墙只出现在第 6 节「把这套方案发给我们」，不在下载之前。

   🔴 2026-10-30：报告层**保持浅色** —— 它是要打印出来交给客户的工程文档，
      深色底打印出来是灾难。屏幕上它是一张「白纸」，符合直觉。
   ──────────────────────────────────────────────────────────── */
.rp-overlay {
  position: fixed;
  inset: 0;
  z-index: 80;
  overflow: auto;
  background: rgba(3, 6, 14, 0.72);
  -webkit-backdrop-filter: blur(3px);
  backdrop-filter: blur(3px);
}
.rp-panel {
  max-width: 920px;
  margin: 26px auto;
  background: #fff;
  color: #16283c;
  padding: 38px 44px 30px;
  border-radius: 10px;
  box-shadow: 0 22px 64px rgba(0, 0, 0, 0.55);
}
.rp-bar {
  display: flex;
  gap: 10px;
  align-items: center;
  flex-wrap: wrap;
  padding-bottom: 16px;
  margin-bottom: 18px;
  border-bottom: 1px solid #e4ebf3;
}
.rp-bar .spacer {
  flex: 1;
}
.rp-brand {
  font-size: 11.5px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: #7a8b9e;
  font-weight: 700;
}
.rp-sheet h1 {
  font-size: 23px;
  margin: 6px 0 4px;
  line-height: 1.28;
}
.rp-sheet h2 {
  font-size: 15.5px;
  margin: 24px 0 9px;
  padding-bottom: 6px;
  border-bottom: 1.5px solid #e4ebf3;
  color: #1b3a5c;
}
.rp-sheet h3 {
  font-size: 13.5px;
  margin: 15px 0 6px;
}
.rp-sheet p,
.rp-sheet li {
  font-size: 13px;
  line-height: 1.62;
  color: #33465c;
}
.rp-sheet ul {
  margin: 6px 0 0 18px;
}
.rp-meta {
  font-size: 12.5px;
  color: #66788c;
  margin-top: 6px;
}
.rp-sheet table {
  width: 100%;
  border-collapse: collapse;
  margin: 8px 0 4px;
  font-size: 12.5px;
}
.rp-sheet th,
.rp-sheet td {
  border: 1px solid #dde6ef;
  padding: 6px 9px;
  text-align: left;
  vertical-align: top;
}
.rp-sheet th {
  background: #f3f7fc;
  font-weight: 700;
  color: #1d3a5c;
}
.rp-sheet .calc-out table td,
.rp-sheet .calc-out table th {
  border: 1px solid #dde6ef;
}
.rp-sheet .calc-out b {
  color: #1d4ed8;
}
.rp-note {
  font-size: 11.5px;
  color: #7a8b9e;
  margin-top: 6px;
  line-height: 1.55;
}
.rp-foot {
  margin-top: 26px;
  padding-top: 14px;
  border-top: 1px solid #e4ebf3;
  font-size: 11.5px;
  color: #66788c;
  line-height: 1.65;
}
.rp-lead {
  margin-top: 22px;
  padding: 16px 18px;
  background: #f6f9fc;
  border: 1px solid #e0e9f2;
  border-radius: 8px;
}
.rp-lead h3 {
  margin: 0 0 4px;
}
.rp-lead p {
  margin: 0 0 10px;
}
.rp-lead .row {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
  align-items: flex-end;
}
.rp-lead label {
  display: block;
  font-size: 12px;
  color: #55677c;
  margin-bottom: 4px;
}
.rp-lead input {
  padding: 8px 10px;
  border: 1px solid #cfdae6;
  border-radius: 6px;
  font-size: 13px;
  min-width: 210px;
  font-family: inherit;
  color: #16283c;
}
.rp-lead input:focus {
  outline: 2px solid #2f6fb5;
  outline-offset: 1px;
  border-color: #2f6fb5;
}
.rp-lead .msg {
  margin-top: 9px;
  font-size: 12.5px;
}
.rp-lead .msg.ok {
  color: #1a7f52;
}
.rp-lead .msg.err {
  color: #c0392b;
}
.rp-hint {
  font-size: 11.5px;
  color: #7a8b9e;
  margin-top: 8px;
}

/* 打印：屏幕上只有报告层在时，整页输出报告 */
@media print {
  body > *:not(.rp-overlay) {
    display: none !important;
  }
  .rp-overlay {
    position: static;
    background: none;
    overflow: visible;
  }
  .rp-panel {
    box-shadow: none;
    margin: 0;
    padding: 0;
    max-width: none;
    border-radius: 0;
    background: #fff;
  }
  .rp-bar,
  .rp-lead,
  .rp-noprint {
    display: none !important;
  }
  .rp-sheet {
    display: block !important;
  }
  .rp-sheet a[href]::after {
    content: '';
  }
  .rp-sheet h2 {
    break-after: avoid;
  }
  .rp-sheet table {
    break-inside: auto;
  }
  .rp-sheet tr {
    break-inside: avoid;
  }
  @page {
    margin: 16mm 14mm;
  }
}

/* ───────────────────────── 室内覆盖仿真 ───────────────────────── */
#in-canvas-wrap {
  overflow-x: auto;
  padding-bottom: 4px;
}
#in-canvas {
  display: block;
  touch-action: none;
}
#in-canvas-wrap .btn {
  margin: 0 6px 6px 0;
}
.heat-legend {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 11.5px;
  color: var(--muted);
  margin-top: 8px;
}
.heat-legend .bar {
  width: 130px;
  height: 10px;
  border-radius: 5px;
  background: linear-gradient(90deg, #eb5a3c 0%, #eb5a3c 32%, #d2d23c 50%, #5bc25b 100%);
}

/* ───────────────────────── 问句式 FAQ（长尾流量）───────────────────────── */
.faq h2 {
  font-size: 17px;
  margin: 0 0 4px;
}
.faq-item {
  border-bottom: 1px solid var(--line);
  padding: 10px 0;
}
.faq-item:last-child {
  border-bottom: none;
}
.faq-item summary {
  cursor: pointer;
  font-size: 14px;
  font-weight: 600;
  color: var(--brand);
  list-style: none;
  display: flex;
  gap: 8px;
  align-items: flex-start;
}
.faq-item summary::-webkit-details-marker {
  display: none;
}
.faq-item summary::before {
  content: '+';
  flex: none;
  width: 16px;
  height: 16px;
  line-height: 15px;
  text-align: center;
  border-radius: 4px;
  background: var(--brand-soft);
  color: var(--brand);
  font-weight: 700;
  font-size: 12px;
  margin-top: 1px;
}
.faq-item[open] summary::before {
  content: '−';
}
.faq-item summary:hover {
  color: #67e8f9;
}
.faq-item p {
  margin: 8px 0 2px 24px;
  font-size: 13.5px;
  line-height: 1.68;
  color: var(--ink2);
}
@media print {
  .faq-item {
    break-inside: avoid;
  }
  .faq-item p {
    display: block !important;
  }
}

/* ───────────────────────── 工程工作台 ─────────────────────────
   2026-10-30：整体换成主站的深空工业风（面板 + 青色 HUD + 状态色）。
   ──────────────────────────────────────────────────────────── */
.wb-steps {
  display: grid;
  gap: 12px;
  grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
}
.wb-step {
  border: 1px solid var(--line);
  border-radius: 10px;
  padding: 12px 14px;
  background: rgba(13, 20, 36, 0.75);
  display: flex;
  flex-direction: column;
  gap: 6px;
  transition: border-color 0.25s ease;
}
.wb-step:hover {
  border-color: var(--brand-line);
}
.wb-step.blocked {
  background: rgba(245, 158, 11, 0.07);
  border-color: rgba(245, 158, 11, 0.32);
}
.wb-step.done {
  background: rgba(52, 211, 153, 0.07);
  border-color: rgba(52, 211, 153, 0.3);
}
.wb-step-h {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
}
.wb-step-t {
  font-weight: 600;
  font-size: 14px;
  color: var(--ink);
}
.wb-step-d {
  font-size: 12.5px;
  color: var(--ink2);
  line-height: 1.55;
}
.wb-badge {
  font-size: 11px;
  padding: 2px 8px;
  border-radius: 20px;
  white-space: nowrap;
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  letter-spacing: 0.06em;
}
.wb-badge.ok {
  background: rgba(52, 211, 153, 0.14);
  color: #6ee7b7;
}
.wb-badge.warn {
  background: rgba(245, 158, 11, 0.14);
  color: #fcd34d;
}
.wb-badge.ready {
  background: var(--brand-soft);
  color: var(--brand);
}
.wb-need {
  font-size: 11.5px;
  color: #fcd34d;
  line-height: 1.5;
}
.wb-sum {
  font-size: 12px;
  color: var(--ink2);
  background: rgba(34, 211, 238, 0.07);
  border-left: 2px solid var(--brand);
  padding: 5px 8px;
  border-radius: 0 4px 4px 0;
  line-height: 1.55;
}
.wb-step .btn {
  margin-top: auto;
  align-self: flex-start;
}
/* 频段清单：网格排布 —— 复选框与文字同一行，不再被 flex 挤成两行 */
.wb-bands {
  display: grid;
  gap: 8px 16px;
  grid-template-columns: repeat(auto-fill, minmax(215px, 1fr));
}
.wb-bands .lb-check {
  white-space: nowrap;
  align-items: flex-start;
}
.wb-bands .lb-check input {
  margin-top: 2px;
}
.wb-open {
  font-weight: 500;
}

/* ── 工具页的项目上下文条（工作台 → 工具的正向传递）── */
.pc-bar {
  position: relative;
  margin: 0 0 18px;
  padding: 14px 16px 13px;
  border: 1px solid var(--brand-line);
  border-left: 2px solid var(--brand);
  border-radius: 12px;
  background: rgba(34, 211, 238, 0.06);
}
.pc-bar-h {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  flex-wrap: wrap;
  margin-bottom: 10px;
}
.pc-back {
  font-size: 12.5px;
  color: var(--brand);
  white-space: nowrap;
}
.pc-back:hover {
  color: #67e8f9;
}
.pc-chips {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 10px;
}
.pc-chip {
  display: inline-flex;
  align-items: baseline;
  gap: 7px;
  padding: 4px 11px;
  border-radius: 999px;
  border: 1px solid var(--line);
  background: rgba(13, 20, 36, 0.8);
  font-size: 12.5px;
  color: var(--ink2);
}
.pc-chip b {
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  font-size: 10.5px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--muted);
  font-weight: 500;
}
.pc-hint {
  margin: 10px 0 0;
  font-size: 12px;
  color: var(--muted);
}

/* 工作台的字段分组：label 与控件成组，不被网格拆开 */
.wb-fields {
  display: grid;
  gap: 14px 18px;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
}
.wb-field {
  display: flex;
  flex-direction: column;
  gap: 5px;
  min-width: 0;
}
.wb-field-wide {
  grid-column: 1 / -1;
}
.wb-field > label {
  margin: 0;
  font-size: 12.5px;
  color: var(--muted);
}

/* 工作台里的表单控件 */
#wb-root input[type='text'],
#wb-root input[type='number'],
#wb-root select {
  width: 100%;
  padding: 8px 12px;
  border: 1px solid var(--line);
  border-radius: 8px;
  font-size: 14px;
  background: rgba(8, 12, 22, 0.8);
  color: var(--ink);
  outline: none;
  font-family: inherit;
}
#wb-root input:focus,
#wb-root select:focus {
  border-color: var(--brand);
  box-shadow: 0 0 0 3px rgba(34, 211, 238, 0.12);
}
#wb-root select option {
  background: #0d1424;
  color: #f1f5f9;
}
.lb-check {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 12.5px;
  color: var(--ink2);
  cursor: pointer;
}
.lb-check input[type='file'] {
  max-width: 100%;
  font-size: 12.5px;
  color: var(--ink2);
}
.lb-check input[type='file']::file-selector-button {
  margin-right: 10px;
  padding: 6px 12px;
  border-radius: 7px;
  border: 1px solid var(--brand-line);
  background: var(--brand-soft);
  color: var(--brand);
  cursor: pointer;
  font-size: 12.5px;
  font-family: inherit;
}
.lb-check input[type='file']::file-selector-button:hover {
  background: rgba(34, 211, 238, 0.2);
}