@charset "UTF-8";
/* ==========================================================================
   99714 智家报价 · 全站样式
   目录：
   01 设计令牌        02 重置与基础      03 排版与工具类
   04 按钮与表单      05 顶栏与抽屉      06 Hero 与产品视觉
   07 产品事实条      08 核心功能        09 使用流程
   10 报价计算器      11 适用场景        12 订阅方式
   13 常见问题        14 底部 CTA        15 页脚
   16 订阅页          17 弹窗（企业微信） 18 登录页
   19 开通账号页      20 法务长文        21 动效与无障碍
   22 响应式           23 成品报价单（首页 #sheet）
   注：050 约束后已删除「客户评价 / 价目卡片 / 功能对比 / 下单弹窗」样式。
   ========================================================================== */

/* ==========================================================================
   01 设计令牌
   ========================================================================== */
:root {
  /* 文字 */
  --ink: #0B1220;
  --ink-2: #3D4A5C;
  --ink-3: #6B7A90;
  --ink-4: #98A6B8;
  /* 线条 */
  --line: #E6EAF0;
  --line-2: #F0F3F7;
  /* 背景 */
  --bg: #FFFFFF;
  --bg-soft: #F6F8FB;
  --bg-deep: #0B1220;
  /* 品牌（2026-10-18 收口：蓝 → 火焰橙）
     --brand       图标 / 描边 / H1 强调 / ≥19px·700 大字（白底 3.48:1，只许用于大字与图形）
     --brand-hover 悬停 / 按下（原 --brand-600）
     --brand-text  正文链接与 14–16px 强调字：白底 5.18:1、#F7F7F8 底 4.84:1
     --brand-100   淡橙底 */
  --brand: #F4511E;
  --brand-hover: #D8410F;
  --brand-text: #C2410C;
  --brand-100: #FFEDE7;
  --teal: #00C2A8;
  --teal-100: #E3FAF6;
  --warm: #FF8A3D;
  --warm-100: #FFF1E7;
  --danger: #D92D20;
  /* 圆角 */
  --r-sm: 8px;
  --r-md: 12px;
  --r-lg: 16px;
  --r-xl: 24px;
  /* 阴影 */
  --shadow-1: 0 1px 2px rgba(16, 24, 40, .06);
  --shadow-2: 0 12px 32px -12px rgba(16, 24, 40, .18);
  /* 布局 */
  --container: 1200px;
  --header-h: 68px;
  /* 字体 */
  --font: -apple-system, "PingFang SC", "HarmonyOS Sans SC", "Microsoft YaHei", "Noto Sans SC", system-ui, sans-serif;
  --mono: ui-monospace, SFMono-Regular, "SF Mono", Menlo, Consolas, monospace;
  --ease: cubic-bezier(.22, .61, .36, 1);
}

/* ==========================================================================
   02 重置与基础
   ========================================================================== */
*,
*::before,
*::after { box-sizing: border-box; }

html {
  -webkit-text-size-adjust: 100%;
  scroll-behavior: smooth;
}

body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font-family: var(--font);
  font-size: 16px;
  line-height: 1.75;
  overflow-wrap: break-word;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

/* 顶栏改为浮动胶囊后脱离文档流：只给有顶栏的页面补流（登录 / 开通页不补）
   20 顶距 + 68 胶囊 + 12 视觉呼吸 = 100，正文比原 69 高顶栏下移 31，首屏密度基本不变 */
body:has(> .site-header) { padding-top: calc(20px + var(--header-h) + 12px); }

h1, h2, h3, h4, p, figure, blockquote, dl, dd { margin: 0; }
ul, ol { margin: 0; padding: 0; list-style: none; }
img, svg { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }
button { font: inherit; color: inherit; }
input, select, textarea { font: inherit; color: inherit; }
table { border-collapse: collapse; }
[hidden] { display: none !important; }

[id] { scroll-margin-top: calc(20px + var(--header-h) + 16px); }

::selection { background: var(--brand-100); color: var(--brand-text); }

/* ==========================================================================
   03 排版与工具类
   ========================================================================== */
.container {
  width: 100%;
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 32px;
}

.section { padding: 96px 0; }
/* 页面底色：所有 section 显式落到 --bg（页脚除外），不靠 body 透出来 */
section { background: var(--bg); }
/* 2026-10-18 收口：全站去掉「白 / 浅灰」分带，页面底色统一 --bg；
   相邻区块改靠区块间距 + 1px --line-2 细分隔，不拿灰底找补 */
.section + .section { border-top: 1px solid var(--line-2); }

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  margin: 0 0 16px;
  color: var(--brand-text);
  font-size: 12px;
  font-weight: 700;
  line-height: 1.4;
  letter-spacing: .12em;
}
.eyebrow::before {
  content: "";
  width: 18px;
  height: 1.5px;
  background: currentColor;
  flex: none;
}
.eyebrow--light { color: var(--teal); }

.section__head { max-width: 720px; margin-bottom: 56px; }
.section__title {
  margin: 0 0 16px;
  font-size: clamp(28px, 2.6vw, 40px);
  font-weight: 700;
  line-height: 1.2;
  letter-spacing: -.02em;
}
.section__desc {
  max-width: 34em;
  color: var(--ink-3);
  font-size: 16px;
  line-height: 1.75;
}

.link {
  color: var(--brand-text);
  border-bottom: 1px solid transparent;
  transition: border-color .15s ease;
}
.link:hover { border-bottom-color: currentColor; }

/* 短语不拆行：全站复用（如「免费试用无需信用卡」不被拆成「免费信用/卡」） */
.nw { white-space: nowrap; }

/* 标题双行结构：每个 span 独占一行；关键词行不换行 */
.hero__title-line,
.page-head__title-line,
.login__slogan-line { display: block; }
.hero__title-line--accent { color: var(--brand); white-space: nowrap; }

.tick {
  position: absolute;
  left: 0;
  top: 4px;
  width: 16px;
  height: 16px;
  border-radius: 50%;
  background: var(--brand-100);
  flex: none;
}
.tick::after {
  content: "";
  position: absolute;
  inset: 0;
  width: 5px;
  height: 9px;
  margin: auto;
  border: solid var(--brand);
  border-width: 0 1.5px 1.5px 0;
  transform: translateY(-1px) rotate(45deg);
}

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  overflow: hidden;
  clip-path: inset(50%);
  white-space: nowrap;
  border: 0;
}

.skip-link {
  position: fixed;
  top: 8px;
  left: 8px;
  z-index: 300;
  padding: 12px 16px;
  border-radius: var(--r-sm);
  background: var(--ink);
  color: var(--bg);
  font-size: 14px;
  font-weight: 600;
  transform: translateY(-200%);
  transition: transform .18s ease;
}
.skip-link:focus { transform: none; }

/* 结构保险：网格 / 弹性子项允许收缩，避免 390 宽被长内容撑破 */
.hero__copy,
.footer__brand,
.login-form,
.bottom-cta__action,
.fact__label,
.fact__value,
.fact__note,
.subscribe__points li,
.footer__nav,
.input--num { min-width: 0; }

:focus-visible {
  outline: 2px solid var(--brand);
  outline-offset: 2px;
}

/* ==========================================================================
   04 按钮与表单
   ========================================================================== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  height: 48px;
  padding: 0 24px;
  border: 1px solid transparent;
  border-radius: 10px;
  background: none;
  color: var(--ink);
  font-size: 15px;
  font-weight: 600;
  line-height: 1;
  white-space: nowrap;
  text-align: center;
  cursor: pointer;
  transition: background-color .18s ease, border-color .18s ease, color .18s ease, transform .18s ease, box-shadow .18s ease;
}
/* 050 §四：唯一主按钮 = 开通账号（免费试用 7 天）——黑底白字，全站只此一种主按钮样式 */
.btn--primary { background: var(--ink); color: var(--bg); }
.btn--primary:hover { background: var(--ink); border-color: var(--ink); transform: translateY(-1px); box-shadow: var(--shadow-2); }
.btn--ghost { background: var(--bg); border-color: var(--line); color: var(--ink); }
.btn--ghost:hover { border-color: var(--ink-4); transform: translateY(-1px); }
.btn--lg { height: 52px; padding: 0 28px; }
/* 顶栏按钮：视觉高 36，点按热区补到 44（050 §五.4 更正版），不撑高 68px 顶栏 */
.btn--sm { height: 36px; padding: 0 16px; border-radius: var(--r-sm); font-size: 14px; }
.header__actions .btn--sm { position: relative; }
.header__actions .btn--sm::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  top: 50%;
  height: 44px;
  transform: translateY(-50%);
}
.header__actions .link-btn {
  position: relative;
  /* 顶栏「登录」用实心按钮形态（对齐 xmind 的「注册」）：视觉高 36，热区靠 ::after 补到 44 */
  height: 36px;
  min-height: 36px;
  padding: 0 22px;
  /* 与底部 CTA 同一套形态：圆角、字重、底色都对齐，只缩尺寸 */
  border-radius: 10px;
  background: var(--ink);
  color: #fff;
  font-size: 14px;
  font-weight: 600;
  text-decoration: none;
  transition: background-color .18s ease, transform .18s ease;
}
.header__actions .link-btn:hover {
  background: #1B2740;
  color: #fff;
  text-decoration: none;
  transform: translateY(-1px);
}
.header__actions .link-btn:active { transform: translateY(0); }
.header__actions .link-btn::after { content: ""; position: absolute; inset: -4px 0; }
.header__actions .link-btn:focus-visible { outline: 2px solid var(--brand); outline-offset: 3px; }
.btn--block { width: 100%; }
.btn.is-loading { pointer-events: none; opacity: .82; }

/* 文字按钮（次）：登录、联系销售一律用它，不做第三种按钮样式 */
.link-btn {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  min-height: 44px;
  padding: 0 4px;
  border: 0;
  background: none;
  color: var(--ink-2);
  font-size: 14px;
  font-weight: 600;
  line-height: 1.4;
  cursor: pointer;
  transition: color .15s ease;
}
.link-btn:hover {
  color: var(--ink);
  text-decoration: underline;
  text-underline-offset: 3px;
  text-decoration-thickness: 1px;
}

.spinner {
  width: 16px;
  height: 16px;
  border-radius: 50%;
  border: 2px solid var(--brand-hover);
  border-top-color: var(--bg);
  animation: spin .7s linear infinite;
  flex: none;
}
@keyframes spin { to { transform: rotate(360deg); } }

.input {
  width: 100%;
  height: 44px;
  padding: 0 16px;
  border: 1px solid var(--line);
  border-radius: var(--r-sm);
  background: var(--bg);
  color: var(--ink);
  font-size: 15px;
  line-height: 1.4;
  transition: border-color .15s ease, box-shadow .15s ease;
  appearance: none;
}
.input::placeholder { color: var(--ink-4); }
.input:hover { border-color: var(--ink-4); }
.input:focus {
  outline: none;
  border-color: var(--brand);
  box-shadow: 0 0 0 3px var(--brand-100);
}
.input[type="number"] { -moz-appearance: textfield; appearance: textfield; }
.input[type="number"]::-webkit-outer-spin-button,
.input[type="number"]::-webkit-inner-spin-button { -webkit-appearance: none; margin: 0; }
.select { padding-right: 36px; background-image: none; cursor: pointer; }
.textarea { height: auto; min-height: 84px; padding: 12px 16px; resize: vertical; line-height: 1.6; }

.field { display: flex; flex-direction: column; min-width: 0; }
.field__label {
  display: block;
  margin-bottom: 8px;
  color: var(--ink);
  font-size: 14px;
  font-weight: 600;
  line-height: 1.4;
}
.field__row { display: flex; align-items: center; gap: 8px; }
.field__row .input { flex: 1; min-width: 0; }
.field__helper { margin: 8px 0 0; color: var(--ink-4); font-size: 13px; line-height: 1.5; }
.field__error { margin: 8px 0 0; color: var(--danger); font-size: 13px; line-height: 1.5; }
.field__note {
  margin: 8px 0 0;
  padding: 8px 12px;
  border-radius: var(--r-sm);
  background: var(--teal-100);
  color: var(--ink-2);
  font-size: 13px;
  line-height: 1.5;
}

/* ==========================================================================
   05 顶栏与抽屉
   ========================================================================== */
/* 浮动胶囊：不再通栏吸顶；常态就带柔和投影，滚动后加深，静态首屏也有立体感 */
.site-header {
  position: fixed;
  top: 20px;
  left: 50%;
  transform: translateX(-50%);
  z-index: 60;
  width: min(1090px, calc(100vw - 48px));
  background: rgba(255, 255, 255, .94);
  border: 1px solid var(--line);
  border-radius: 16px;
  box-shadow: 0 8px 22px -12px rgba(16, 24, 40, .16), 0 2px 6px rgba(16, 24, 40, .05);
  -webkit-backdrop-filter: blur(10px) saturate(1.3);
  backdrop-filter: blur(10px) saturate(1.3);
  transition: box-shadow .2s ease, background-color .2s ease;
}
.site-header.is-scrolled {
  background: rgba(255, 255, 255, .97);
  box-shadow: 0 18px 44px -18px rgba(16, 24, 40, .24);
}
/* 不支持毛玻璃时回落到不透明白，避免胶囊后面的正文透出来 */
@supports not (backdrop-filter: blur(1px)) {
  .site-header,
  .site-header.is-scrolled { background: #FFFFFF; }
}

.header__inner {
  display: flex;
  align-items: center;
  gap: 0;
  height: var(--header-h);
}

.brand { display: inline-flex; align-items: center; gap: 10px; flex: none; }
/* 品牌记：火焰位图直出（32px、垂直居中），不再用蓝底圆角块 + 文档图标 */
.brand__mark { width: 32px; height: 32px; flex: none; }
.brand--footer .brand__mark { width: 28px; height: 28px; }
.brand__name { font-size: 16px; font-weight: 700; letter-spacing: -.01em; white-space: nowrap; }

.header__nav { display: flex; align-items: center; gap: 32px; margin-left: 56px; }
.header__nav a {
  position: relative;
  padding: 20px 0;
  color: var(--ink);
  font-size: 14px;
  font-weight: 600;
  line-height: 1.4;
  transition: color .15s ease;
}
.header__nav a::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: 16px;
  height: 1.5px;
  background: var(--brand);
  transform: scaleX(0);
  transform-origin: left center;
  transition: transform .2s ease;
}
.header__nav a:hover { color: var(--ink); }
.header__nav a:hover::after,
.header__nav a[aria-current="page"]::after { transform: scaleX(1); }
.header__nav a[aria-current="page"] { color: var(--ink); }

.header__actions { display: flex; align-items: center; gap: 12px; margin-left: auto; }

.nav-toggle {
  display: none;
  align-items: center;
  justify-content: center;
  width: 48px;
  height: 48px;
  margin-left: auto;
  border: 1px solid var(--line);
  border-radius: 10px;
  background: var(--bg);
  cursor: pointer;
}
.nav-toggle__bars { display: flex; flex-direction: column; gap: 4px; width: 20px; }
.nav-toggle__bars i {
  display: block;
  height: 1.8px;
  border-radius: 2px;
  background: var(--ink);
  transition: transform .25s var(--ease), opacity .2s ease;
}
.nav-toggle[aria-expanded="true"] .nav-toggle__bars i:nth-child(1) { transform: translateY(5.8px) rotate(45deg); }
.nav-toggle[aria-expanded="true"] .nav-toggle__bars i:nth-child(2) { opacity: 0; }
.nav-toggle[aria-expanded="true"] .nav-toggle__bars i:nth-child(3) { transform: translateY(-5.8px) rotate(-45deg); }

.drawer-backdrop {
  position: fixed;
  inset: 0;
  z-index: 105;
  background: var(--bg-deep);
  opacity: 0;
  pointer-events: none;
  transition: opacity .3s ease;
}
.drawer-backdrop.is-open { opacity: .45; pointer-events: auto; }

.drawer {
  position: fixed;
  top: 0;
  right: 0;
  bottom: 0;
  z-index: 110;
  display: flex;
  flex-direction: column;
  width: min(340px, 86vw);
  padding: 20px;
  background: var(--bg);
  box-shadow: -24px 0 60px -30px rgba(11, 18, 32, .35);
  transform: translateX(100%);
  visibility: hidden;
  transition: transform .3s var(--ease), visibility .3s;
}
.drawer.is-open { transform: none; visibility: visible; }
.drawer__head { display: flex; align-items: center; justify-content: space-between; padding-bottom: 12px; border-bottom: 1px solid var(--line-2); }
.drawer__title { font-size: 13px; font-weight: 600; letter-spacing: .08em; color: var(--ink-4); }
.drawer__close {
  display: grid;
  place-items: center;
  width: 44px;
  height: 44px;
  border: 0;
  border-radius: var(--r-sm);
  background: var(--bg-soft);
  color: var(--ink-2);
  cursor: pointer;
}
.drawer__nav { display: flex; flex-direction: column; padding-top: 8px; }
.drawer__nav a {
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 56px;
  border-bottom: 1px solid var(--line-2);
  color: var(--ink);
  font-size: 16px;
  font-weight: 600;
}
.drawer__nav a svg { color: var(--ink-4); }
.drawer__foot { display: grid; gap: 12px; margin-top: auto; padding-top: 24px; }
.drawer__theme {
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 44px;
  padding: 0 4px;
  border: 0;
  border-top: 1px solid var(--line-2);
  background: none;
  color: var(--ink-2);
  font-size: 14px;
  font-weight: 600;
  text-align: left;
  cursor: pointer;
}
.drawer__theme:hover { color: var(--ink); }
.drawer__theme:focus-visible { outline: 2px solid var(--brand); outline-offset: 2px; border-radius: var(--r-sm); }
.drawer__note { margin: 4px 0 0; color: var(--ink-4); font-size: 12px; text-align: center; }

body.is-locked { overflow: hidden; padding-right: var(--sbw, 0); }

/* ==========================================================================
   06 Hero 与产品视觉
   ========================================================================== */
.hero {
  position: relative;
  padding: 72px 0 88px;
  overflow: clip;
}
.hero__glow {
  position: absolute;
  z-index: 0;
  top: -180px;
  right: -160px;
  width: 900px;
  height: 780px;
  border-radius: 50%;
  background: radial-gradient(circle at 50% 50%, var(--brand), transparent 62%);
  opacity: .10;
  pointer-events: none;
}
.hero__inner {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: minmax(0, .92fr) minmax(0, 1.08fr);
  align-items: center;
  gap: 56px;
}

.hero__title {
  margin: 0 0 24px;
  font-size: clamp(38px, 4.4vw, 62px);
  font-weight: 800;
  line-height: 1.12;
  letter-spacing: -.025em;
}
.hero__sub {
  max-width: 30em;
  margin: 0 0 32px;
  color: var(--ink-3);
  font-size: 17px;
  line-height: 1.75;
}
.hero__actions { display: flex; flex-wrap: wrap; align-items: center; gap: 12px; min-height: 52px; }
.hero__trust {
  display: flex;
  align-items: flex-start;
  gap: 8px;
  margin: 24px 0 0;
  color: var(--ink-4);
  font-size: 13px;
  line-height: 1.6;
}
.hero__trust-text { min-width: 0; }
.hero__trust-dot {
  width: 6px;
  height: 6px;
  margin-top: 8px;
  border-radius: 50%;
  background: var(--teal);
  flex: none;
}

.hero__visual { position: relative; perspective: 1600px; }

/* 卡片光晕：只在视觉区内部绘制，overflow: clip 兜住，永不产生横滚 */
.hero__stage {
  position: absolute;
  inset: 0;
  z-index: 0;
  overflow: clip;
  pointer-events: none;
}
.hero__stage::before {
  content: "";
  position: absolute;
  inset: 8% 0 10%;
  border-radius: 50%;
  background: radial-gradient(closest-side, var(--brand), transparent);
  filter: blur(60px);
  opacity: .05;
}
.hero__sub2 { margin: 16px 0 0; max-width: 34em; color: var(--ink-3); font-size: 15px; line-height: 1.75; }
.hero__sheet-note { margin: 16px 0 0; color: var(--ink-3); font-size: 13px; line-height: 1.6; text-align: center; }
.hero__visual .sheet__paper { margin: 0 auto; }
/* 右上角浮动 chip 悬在窗口条外侧，条右侧预留位置，避免遮住「草稿」状态标（≤640 已隐藏该 chip） */


.quote-chip {
  position: absolute;
  z-index: 3;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 12px 16px;
  border: 1px solid var(--line);
  border-radius: var(--r-md);
  background: var(--bg);
  box-shadow: var(--shadow-2);
  color: var(--ink-2);
  font-size: 12px;
  font-weight: 600;
  white-space: nowrap;
}
.quote-chip--a { top: -18px; right: -24px; }
.quote-chip--a svg { color: var(--teal); flex: none; }
.quote-chip--b { bottom: 40px; left: -28px; gap: 8px; }
.quote-chip--b span { color: var(--ink-4); font-weight: 500; }
.quote-chip--b b { color: var(--ink); font-size: 16px; font-weight: 700; }
/* 中间宽度：容器左右内边距更小，chip 收进 16px，避免贴着视口右缘 */
@media (min-width: 641px) and (max-width: 1279px) {
  .quote-chip--a { right: -16px; }
}

/* ==========================================================================
   07 产品事实条（050：只放 6 大设备品类 / 4 步完成报价 / 7 天免费试用）
   ========================================================================== */
.stats-band { padding: 8px 0 0; }
.facts {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  padding: 8px;
  border: 1px solid var(--line);
  border-radius: var(--r-lg);
  background: var(--bg);
  box-shadow: var(--shadow-1);
}
.fact {
  display: flex;
  align-items: flex-start;
  gap: 16px;
  padding: 24px;
  border-left: 1px solid var(--line-2);
}
.fact:first-child { border-left: 0; }
.fact__icon {
  display: grid;
  place-items: center;
  width: 40px;
  height: 40px;
  border-radius: var(--r-md);
  background: var(--brand-100);
  color: var(--brand);
  flex: none;
}
.fact__body { display: flex; flex-direction: column; gap: 4px; }
.fact__value {
  color: var(--ink);
  font-size: clamp(24px, 2.4vw, 32px);
  font-weight: 700;
  line-height: 1.15;
  letter-spacing: -.02em;
  font-variant-numeric: tabular-nums;
}
.fact__label { color: var(--ink); font-size: 14px; font-weight: 600; line-height: 1.5; }
.fact__note { color: var(--ink-4); font-size: 13px; line-height: 1.6; }

/* ==========================================================================
   08 核心功能
   ========================================================================== */
.features {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 24px;
}
.feature {
  padding: 12px 24px;
  border: 1px solid var(--line);
  border-radius: var(--r-lg);
  background: var(--bg);
  transition: border-color .2s ease, box-shadow .2s ease;
}
.feature:hover { border-color: var(--ink-4); box-shadow: var(--shadow-1); }
.feature__top {
  display: flex;
  align-items: center;
  justify-content: flex-start;
  margin-bottom: 20px;
}
.feature__icon {
  display: grid;
  place-items: center;
  width: 44px;
  height: 44px;
  border-radius: var(--r-md);
  background: var(--brand-100);
  color: var(--brand);
}
.feature__title { margin: 0 0 8px; font-size: 20px; font-weight: 600; line-height: 1.4; letter-spacing: -.01em; }
.feature__desc { color: var(--ink-3); font-size: 14px; line-height: 1.7; }

/* ==========================================================================
   09 使用流程
   ========================================================================== */
.flow {
  display: grid;
  grid-template-columns: repeat(5, minmax(0, 1fr));
  gap: 24px;
}
.flow__step { position: relative; }
.flow__step::before {
  content: "";
  position: absolute;
  top: 112px;
  left: 56px;
  right: -18px;
  height: 1px;
  background: var(--line);
}
.flow__step:last-child::before { display: none; }
.flow__num {
  display: inline-grid;
  place-items: center;
  width: 40px;
  height: 40px;
  margin-bottom: 20px;
  border: 1px solid var(--line);
  border-radius: 50%;
  background: var(--bg);
  color: var(--brand-text);
  font-family: var(--mono);
  font-size: 13px;
  font-weight: 700;
}
.flow__art { margin: 0 0 12px; }
.flow__art svg { display: block; width: 100%; max-width: 100px; height: auto; color: var(--ink-3); }
.flow__name { margin: 0 0 8px; font-size: 19px; font-weight: 600; line-height: 1.4; }
.flow__desc { max-width: 15em; color: var(--ink-3); font-size: 14px; line-height: 1.7; }


.range {
  width: 100%;
  height: 44px;
  margin: 0;
  background: transparent;
  cursor: pointer;
  appearance: none;
  -webkit-appearance: none;
}
.range::-webkit-slider-runnable-track {
  height: 6px;
  border-radius: 999px;
  background: linear-gradient(to right, var(--brand) 0 var(--fill, 16%), var(--line) var(--fill, 16%) 100%);
}
.range::-webkit-slider-thumb {
  width: 22px;
  height: 22px;
  margin-top: -8px;
  border: 2px solid var(--brand);
  border-radius: 50%;
  background: var(--bg);
  box-shadow: var(--shadow-1);
  appearance: none;
  -webkit-appearance: none;
  transition: transform .15s ease;
}
.range:active::-webkit-slider-thumb { transform: scale(1.08); }
.range::-moz-range-track { height: 6px; border-radius: 999px; background: var(--line); }
.range::-moz-range-progress { height: 6px; border-radius: 999px; background: var(--brand); }
.range::-moz-range-thumb {
  width: 18px;
  height: 18px;
  border: 2px solid var(--brand);
  border-radius: 50%;
  background: var(--bg);
  box-shadow: var(--shadow-1);
}
.range:focus-visible { outline: 2px solid var(--brand); outline-offset: 4px; border-radius: 4px; }


.stepper {
  display: inline-flex;
  align-items: center;
  height: 44px;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: var(--r-sm);
  background: var(--bg);
}
.stepper__btn {
  display: grid;
  place-items: center;
  width: 44px;
  height: 44px;
  border: 0;
  background: transparent;
  color: var(--ink-3);
  cursor: pointer;
  transition: background-color .15s ease, color .15s ease;
}
.stepper__btn:hover { background: var(--bg-soft); color: var(--brand-text); }
.stepper__input {
  width: 60px;
  height: 44px;
  padding: 0;
  border: 0;
  border-left: 1px solid var(--line-2);
  border-right: 1px solid var(--line-2);
  background: transparent;
  color: var(--ink);
  font-size: 16px;
  font-weight: 600;
  text-align: center;
  font-variant-numeric: tabular-nums;
  appearance: textfield;
  -webkit-appearance: none;
  -moz-appearance: textfield;
}
.stepper__input::-webkit-outer-spin-button,
.stepper__input::-webkit-inner-spin-button { -webkit-appearance: none; margin: 0; }
.stepper__input:focus { outline: none; background: var(--brand-100); box-shadow: inset 0 0 0 2px var(--brand); }

.segmented {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 4px;
  padding: 4px;
  border: 1px solid var(--line);
  border-radius: var(--r-md);
  background: var(--bg-soft);
}
.segmented__btn {
  height: 44px;
  padding: 0 8px;
  border: 0;
  border-radius: var(--r-sm);
  background: transparent;
  color: var(--ink-3);
  font-size: 14px;
  font-weight: 600;
  cursor: pointer;
  transition: background-color .18s ease, color .18s ease, box-shadow .18s ease;
}
.segmented__btn:hover { color: var(--ink); }
.segmented__btn.is-active { background: var(--bg); color: var(--brand-text); box-shadow: var(--shadow-1); }


/* ==========================================================================
   11 适用场景
   ========================================================================== */
.scenarios { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); align-items: stretch; }
.scenario { display: flex; flex-direction: column; padding: 0 40px; }
.scenario:first-child { padding-left: 0; }
.scenario:last-child { padding-right: 0; }
.scenario + .scenario { border-left: 1px solid var(--line); }
.scenario__idx { color: var(--ink-4); font-family: var(--mono); font-size: 12px; letter-spacing: .08em; }
.scenario__name { margin: 12px 0 16px; font-size: 20px; font-weight: 600; line-height: 1.4; letter-spacing: -.01em; }
.scenario__pain {
  margin: 0 0 24px;
  padding: 16px;
  border-left: 3px solid var(--brand);
  border-radius: 0 var(--r-sm) var(--r-sm) 0;
  background: var(--bg-soft);
  color: var(--ink-3);
  font-size: 14px;
  line-height: 1.7;
}
.scenario__list { display: flex; flex-direction: column; gap: 16px; margin-top: auto; }
.scenario__list li {
  position: relative;
  padding-left: 28px;
  color: var(--ink-2);
  font-size: 14px;
  line-height: 1.6;
}

/* ==========================================================================
   12 订阅方式（050：无价目卡、无价格数字，只留「按年订阅 + 联系销售」）
   ========================================================================== */
.subscribe {
  display: grid;
  grid-template-columns: minmax(0, 1.16fr) minmax(0, .84fr);
  gap: 40px;
  padding: 40px;
  border: 1px solid var(--line);
  border-radius: var(--r-xl);
  background: var(--bg);
  box-shadow: var(--shadow-1);
}
.subscribe__main { display: flex; flex-direction: column; align-items: flex-start; min-width: 0; }
.subscribe__title { margin: 0 0 12px; font-size: 24px; font-weight: 700; line-height: 1.35; letter-spacing: -.01em; }
.subscribe__desc { max-width: 30em; color: var(--ink-2); font-size: 16px; line-height: 1.75; }
.subscribe__note { margin: 12px 0 0; max-width: 32em; color: var(--ink-3); font-size: 14px; line-height: 1.7; }
.subscribe__actions { display: flex; flex-wrap: wrap; align-items: center; gap: 16px; margin-top: 28px; }
.subscribe__points {
  display: flex;
  flex-direction: column;
  gap: 20px;
  padding-left: 32px;
  border-left: 1px solid var(--line-2);
}
.subscribe__points li { position: relative; padding-left: 28px; color: var(--ink-2); font-size: 14px; line-height: 1.7; }

/* ==========================================================================
   13 常见问题
   ========================================================================== */
.faq-layout {
  display: grid;
  grid-template-columns: minmax(0, 380px) minmax(0, 1fr);
  gap: 64px;
  align-items: start;
}
.section__head--side { margin-bottom: 0; }
.faq { border-top: 1px solid var(--line); }
.faq__item { border-bottom: 1px solid var(--line); }
.faq__q { margin: 0; font-size: inherit; font-weight: inherit; }
.faq__trigger {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  width: 100%;
  min-height: 64px;
  padding: 24px 0;
  border: 0;
  background: none;
  color: var(--ink);
  font-size: 16px;
  font-weight: 600;
  line-height: 1.5;
  text-align: left;
  cursor: pointer;
  transition: color .18s ease;
}
.faq__trigger:hover { color: var(--brand-text); }
.faq__text { min-width: 0; }
.faq__icon {
  position: relative;
  width: 22px;
  height: 22px;
  margin-top: 4px;
  border: 1px solid var(--line);
  border-radius: 50%;
  flex: none;
  transition: border-color .2s ease, background-color .2s ease;
}
.faq__icon i {
  position: absolute;
  inset: 0;
  margin: auto;
  width: 10px;
  height: 1.5px;
  border-radius: 2px;
  background: var(--ink-3);
  transition: transform .25s var(--ease), background-color .2s ease;
}
.faq__icon i:nth-child(2) { transform: rotate(90deg); }
.faq__item.is-open .faq__trigger { color: var(--ink); }
.faq__item.is-open .faq__icon { border-color: var(--brand); background: var(--brand-100); }
.faq__item.is-open .faq__icon i { background: var(--brand); }
.faq__item.is-open .faq__icon i:nth-child(2) { transform: rotate(0deg); }
.faq__panel {
  display: grid;
  grid-template-rows: 0fr;
  transition: grid-template-rows .3s var(--ease);
}
.faq__item.is-open .faq__panel { grid-template-rows: 1fr; }
.faq__panel-inner { min-height: 0; overflow: hidden; }
.faq__panel p {
  max-width: 62ch;
  padding: 0 48px 24px 0;
  color: var(--ink-3);
  font-size: 15px;
  line-height: 1.8;
}

/* --------------------------------------------------------------------------
   13.1 数据保护（挂在 FAQ 区块内的补充带；不新增整节、不加按钮）
   四条事实的出处见 _094_回执_官网安全特点_002.md，改文案前先回代码复核
   -------------------------------------------------------------------------- */
.assurance { margin-top: 56px; }
.assurance__title {
  margin: 0 0 24px;
  font-size: 20px;
  font-weight: 600;
  line-height: 1.4;
  letter-spacing: -.01em;
}
.assurance__list {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 24px 32px;
}
.assurance__item {
  position: relative;
  padding-left: 28px;
}
.assurance__label {
  margin-right: 8px;
  color: var(--ink);
  font-weight: 600;
}
.assurance__text {
  margin: 0;
  color: var(--ink-3);
  font-size: 14px;
  line-height: 1.7;
}

/* ==========================================================================
   14 底部 CTA（050：全站只有一种主按钮，深色带会让黑底按钮消失，故改浅色带）
   ========================================================================== */
.bottom-cta {
  position: relative;
  overflow: hidden;
  padding: 96px 0;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  background: var(--bg);
  color: var(--ink);
}
.bottom-cta::before {
  content: "";
  position: absolute;
  top: -40%;
  left: 50%;
  width: 760px;
  height: 760px;
  transform: translateX(-50%);
  border-radius: 50%;
  background: radial-gradient(circle, var(--brand), transparent 64%);
  opacity: .10;
  pointer-events: none;
}
.bottom-cta__grid {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(var(--ink) 1px, transparent 1px),
    linear-gradient(90deg, var(--ink) 1px, transparent 1px);
  background-size: 64px 64px;
  opacity: .035;
  -webkit-mask-image: radial-gradient(60% 60% at 50% 40%, #000, transparent 78%);
  mask-image: radial-gradient(60% 60% at 50% 40%, #000, transparent 78%);
  pointer-events: none;
}
.bottom-cta__inner { position: relative; z-index: 2; text-align: center; }
.bottom-cta__title {
  max-width: 18em;
  margin: 0 auto 16px;
  font-size: clamp(30px, 3.4vw, 44px);
  font-weight: 800;
  line-height: 1.2;
  letter-spacing: -.025em;
}
.bottom-cta__desc {
  max-width: 30em;
  margin: 0 auto 32px;
  color: var(--ink-3);
  font-size: 16px;
  line-height: 1.75;
}
.bottom-cta__action { display: flex; flex-wrap: wrap; align-items: center; justify-content: center; gap: 20px; }
.bottom-cta__note { margin: 20px 0 0; color: var(--ink-3); font-size: 13px; line-height: 1.7; }

/* ==========================================================================
   15 页脚（2026-10-18 重做：xmind 结构 = 品牌 20% + 3 列链接 80% / 备案条）
   底色 #F7F7F8 是 xmind 实测值：全站正文已纯白，页脚靠浅灰底收口，不再加顶线
   ========================================================================== */
/* ★★ 394：页脚通栏分隔线不许再把整页撑出 8px 横向滚动 ✗✗ ——
   `.footer__legal::before` 是 `left:50%; width:100vw; margin-left:-50vw` 的全宽线 ✓；
   但纵向滚动条让 `clientWidth` 比 `innerWidth` 少 15px（1440 → 1425）⇒ 100vw 仍按 1440 算，
   线右缘落到 1432.5 ⇒ `scrollWidth - clientWidth = 7.5 ≈ 8` ✓（四档实测同差 8 ✓）。
   ★ 收在本页脚自己的作用域里（`overflow-x: clip` ✓）：线仍在 0…clientWidth 通栏可见 ✓，
     只把视口外那 7.5px 裁掉 ✓；**绝不给 body/html 加 overflow-x: hidden** ✗（那会连真溢出一起藏掉 ✓）。
   ★ 页脚里没有 fixed/sticky 后代（抽屉/遮罩是页脚的兄弟节点 ✓）⇒ 裁切不外溢、不动抽屉 ✓。 */
.site-footer { padding: 0 0 28px; background: #F7F7F8; overflow-x: clip; }
.footer__main {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 4fr);
  gap: 48px;
  align-items: start;
}
.footer__brand { min-width: 0; }
.footer__nav { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 32px; }
.footer__col { display: flex; flex-direction: column; gap: 12px; min-width: 0; }
.footer__title { margin: 0; color: var(--ink); font-size: 16px; font-weight: 700; line-height: 1.5; }
.footer__col a {
  width: fit-content;
  color: var(--ink-3);
  font-size: 14px;
  line-height: 1.6;
  transition: color .15s ease;
}
.footer__col a:hover { color: var(--brand-text); }

/* 底栏：左版权 + 条款，右备案 + 域名 + 更新时间，两端对齐 */
.footer__legal {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px 24px;
  flex-wrap: wrap;
  margin-top: 0;
  padding-top: 24px;
  color: var(--ink-3);
  font-size: 12px;
  font-weight: 400;
  line-height: 1.9;
}
/* 通栏分割线：伪元素拉满视口宽度，不参与布局，故不会撑出横向滚动 */
.footer__legal::before {
  content: "";
  position: absolute;
  top: 0;
  left: 50%;
  width: 100vw;
  margin-left: -50vw;
  height: 1px;
  background: var(--line);
}
.footer__legal-group { display: flex; align-items: center; flex-wrap: wrap; gap: 8px; margin: 0; }
/* 分隔符挂在后一项的 ::before 上：窄屏折行时「·」跟着下一项走，不会吊在行尾 */
.footer__legal-group > * { white-space: nowrap; }
.footer__legal-group > * + *::before { content: "·"; margin-right: 8px; color: var(--ink-4); }
.footer__legal a { color: var(--ink-3); }
.footer__legal a:hover { color: var(--brand-text); }
.footer__dot { color: var(--ink-4); }
/* 演示环境说明 + 平台管理：050 / 066 的合规小字，保留在底栏下方一行 */
.footer__notice {
  display: flex;
  align-items: flex-start;
  flex-wrap: wrap;
  gap: 8px;
  margin: 8px 0 0;
  color: var(--ink-3);
  font-size: 12px;
  line-height: 1.9;
}
.footer__notice > * + *::before { content: "·"; margin-right: 8px; color: var(--ink-4); }
.footer__admin {
  color: var(--ink-3);
  border-bottom: 1px solid transparent;
  transition: color .15s ease, border-color .15s ease;
}
.footer__admin:hover { color: var(--brand-text); border-bottom-color: currentColor; }

/* ==========================================================================
   16 订阅页（pricing.html）
   ========================================================================== */
.page-head { padding: 72px 0 8px; background: var(--bg); }
.page-head__inner {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 48px;
  flex-wrap: wrap;
}
.page-head__copy { max-width: 620px; }
.page-head__title {
  margin: 0 0 20px;
  font-size: clamp(34px, 4vw, 56px);
  font-weight: 800;
  line-height: 1.14;
  letter-spacing: -.025em;
}
.page-head__desc { max-width: 32em; color: var(--ink-3); font-size: 16px; line-height: 1.75; }
.page-head__actions { display: flex; flex-wrap: wrap; align-items: center; gap: 12px 24px; margin-top: 28px; }

.notes { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 24px; }.note-card {
  display: flex;
  flex-direction: column;
  gap: 8px;
  padding: 28px;
  border: 1px solid var(--line);
  border-radius: var(--r-lg);
  background: var(--bg);
}
.note-card__idx { color: var(--brand-text); font-family: var(--mono); font-size: 11px; letter-spacing: .08em; }
.note-card__title { margin: 0; font-size: 18px; font-weight: 600; line-height: 1.4; }
.note-card__desc { color: var(--ink-3); font-size: 14px; line-height: 1.75; }
.note-card__desc + .note-card__desc { margin-top: 4px; }
.note-card--wide { grid-column: 1 / -1; }

/* 账号模型：主账号 / 子账号两块并列，计费说明独立一行，不出现价格数字 */
.accounts { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 24px; }
.account-card {
  display: flex;
  flex-direction: column;
  gap: 16px;
  min-width: 0;
  padding: 32px;
  border: 1px solid var(--line);
  border-radius: var(--r-lg);
  background: var(--bg);
  box-shadow: var(--shadow-1);
}
.account-card__head { display: flex; align-items: baseline; justify-content: space-between; gap: 16px; }
.account-card__name { margin: 0; font-size: 20px; font-weight: 600; line-height: 1.4; letter-spacing: -.01em; }
.account-card__tag {
  padding: 4px 12px;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: var(--bg-soft);
  color: var(--brand-text);
  font-family: var(--mono);
  font-size: 12px;
  font-weight: 600;
  line-height: 1.6;
  white-space: nowrap;
}
.account-card__desc { color: var(--ink-3); font-size: 14px; line-height: 1.7; }
.account-list { display: flex; flex-direction: column; gap: 12px; }
.account-list li { position: relative; padding-left: 28px; color: var(--ink-2); font-size: 14px; line-height: 1.6; }
.billing-note {
  display: flex;
  align-items: baseline;
  gap: 16px;
  margin-top: 24px;
  padding: 24px 32px;
  border: 1px solid var(--line);
  border-radius: var(--r-lg);
  background: var(--bg-soft);
}
.billing-note__label { color: var(--brand-text); font-size: 13px; font-weight: 700; letter-spacing: .08em; white-space: nowrap; }
.billing-note__text { color: var(--ink-2); font-size: 15px; line-height: 1.7; }
/* 三步流程：桌面三列（流程图复用 .flow 的圆点与连接线） */
.flow--three { grid-template-columns: repeat(3, minmax(0, 1fr)); }

/* ==========================================================================
   18 登录页
   ========================================================================== */
.page-login { background: var(--bg); }
/* 两栏最小高度用固定值而非 100vh：整页高度不受视口高度影响，截图/打印与滚动定位稳定 */
.login { display: grid; grid-template-columns: minmax(0, 1.02fr) minmax(0, .98fr); min-height: 680px; }

.login__brand {
  position: relative;
  overflow: hidden;
  display: flex;
  padding: 56px 56px 40px;
  border-right: 1px solid var(--line);
  background: var(--bg);
}
/* 2026-10-18 收口：左栏底色改纯白后，品牌橙光晕降到 8%（原 .13 是按浅灰底调的），
   旧品牌辅色青绿的 ::after 光晕下线——橙色品牌下它在白底上是一块发绿的脏云 */
.login__brand::before {
  content: "";
  position: absolute;
  left: -22%;
  bottom: -30%;
  width: 720px;
  height: 720px;
  border-radius: 50%;
  background: radial-gradient(circle, var(--brand), transparent 62%);
  opacity: .08;
  pointer-events: none;
}
.login__brand-inner {
  position: relative;
  z-index: 2;
  display: flex;
  flex-direction: column;
  width: 100%;
  max-width: 600px;
}
.login__slogan {
  max-width: 16em;
  margin: 56px 0 32px;
  font-size: clamp(30px, 2.7vw, 42px);
  font-weight: 800;
  line-height: 1.28;
  letter-spacing: -.025em;
}
.login__points { display: flex; flex-direction: column; gap: 16px; max-width: 400px; }
.login__points li {
  position: relative;
  padding-left: 28px;
  color: var(--ink-2);
  font-size: 15px;
  line-height: 1.6;
}
.login__art { margin-top: auto; padding-top: 48px; pointer-events: none; }
.login__art svg { width: 100%; max-width: 380px; height: auto; }
.login__art text { font-family: var(--font); }
.login__brand-foot { margin: 24px 0 0; color: var(--ink-4); font-size: 12px; letter-spacing: .01em; }

.login__panel {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 48px 24px;
  background: var(--bg);
}
.login-card { width: 100%; max-width: 420px; }
.login-card__title { margin: 0 0 8px; font-size: 26px; font-weight: 700; line-height: 1.35; letter-spacing: -.01em; }
.login-card__desc { margin: 0 0 28px; color: var(--ink-3); font-size: 14px; line-height: 1.7; }
.login-card__help { margin: 20px 0 0; color: var(--ink-4); font-size: 13px; line-height: 1.6; text-align: center; }

.tabs {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4px;
  margin-bottom: 24px;
  padding: 4px;
  border: 1px solid var(--line);
  border-radius: var(--r-md);
  background: var(--bg-soft);
}
.tabs__btn {
  height: 44px;
  border: 0;
  border-radius: var(--r-sm);
  background: transparent;
  color: var(--ink-3);
  font-size: 14px;
  font-weight: 600;
  cursor: pointer;
  transition: background-color .2s ease, color .2s ease, box-shadow .2s ease;
}
.tabs__btn:hover { color: var(--ink); }
.tabs__btn.is-active { background: var(--bg); color: var(--ink); box-shadow: var(--shadow-1); }

.tabpanel:focus { outline: none; }
.tabpanel .field + .field { margin-top: 16px; }
.field__row--password { position: relative; }
.field__row--password .input { padding-right: 48px; }
.pwd-toggle {
  position: absolute;
  top: 0;
  right: 0;
  display: grid;
  place-items: center;
  width: 44px;
  height: 44px;
  border: 0;
  border-radius: var(--r-sm);
  background: transparent;
  color: var(--ink-4);
  cursor: pointer;
}
.pwd-toggle:hover { color: var(--ink-2); }
.btn--code { flex: none; height: 44px; padding: 0 16px; font-size: 14px; }
.btn--code:disabled { color: var(--ink-4); cursor: not-allowed; background: var(--bg-soft); }
.btn--code:disabled:hover { border-color: var(--line); transform: none; }

.login-form__forgot { margin: 12px 0 0; font-size: 13px; text-align: right; }
.form-error {
  margin: 16px 0 0;
  padding: 12px;
  border-left: 2px solid var(--danger);
  border-radius: var(--r-sm);
  background: var(--bg-soft);
  color: var(--danger);
  font-size: 13px;
  line-height: 1.5;
}
.check-wrap { margin: 20px 0 0; }
.check { position: relative; display: flex; align-items: flex-start; gap: 8px; cursor: pointer; }
.check input { position: absolute; width: 1px; height: 1px; opacity: 0; }
.check__box {
  display: grid;
  place-items: center;
  width: 18px;
  height: 18px;
  margin-top: 4px;
  border: 1px solid var(--ink-4);
  border-radius: 5px;
  background: var(--bg);
  color: var(--bg);
  flex: none;
  transition: background-color .15s ease, border-color .15s ease;
}
.check__box svg { opacity: 0; transition: opacity .12s ease; }
.check input:checked + .check__box { background: var(--brand); border-color: var(--brand); }
.check input:checked + .check__box svg { opacity: 1; }
.check input:focus-visible + .check__box { outline: 2px solid var(--brand); outline-offset: 2px; }
.check.is-invalid .check__box { border-color: var(--danger); }
.check__text { color: var(--ink-2); font-size: 14px; line-height: 1.6; }
.check__text a { color: var(--brand-text); }
.login-form__submit { margin-top: 20px; }
.login-form__signup { margin: 16px 0 0; color: var(--ink-4); font-size: 13px; text-align: center; }

.demo-box {
  margin-top: 28px;
  padding: 20px;
  border: 1px dashed var(--line);
  border-radius: var(--r-md);
  background: var(--bg-soft);
}
.demo-box__head { display: flex; align-items: center; justify-content: space-between; margin-bottom: 12px; }
.demo-box__title { color: var(--ink-2); font-size: 13px; font-weight: 700; }
.demo-box__fill {
  height: 44px;
  padding: 0 16px;
  border: 1px solid var(--line);
  border-radius: var(--r-sm);
  background: var(--bg);
  color: var(--brand-text);
  font-size: 13px;
  font-weight: 600;
  cursor: pointer;
  transition: border-color .15s ease, background-color .15s ease;
}
.demo-box__fill:hover { border-color: var(--brand-hover); background: var(--brand-100); }
.demo-box__list { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 8px; }
.demo-box__list dt { color: var(--ink-4); font-size: 11px; line-height: 1.5; }
.demo-box__list dd {
  margin: 0;
  color: var(--ink);
  font-family: var(--mono);
  font-size: 13px;
  font-weight: 600;
  font-variant-numeric: tabular-nums;
}
.demo-box__note { margin: 12px 0 0; color: var(--ink-4); font-size: 12px; line-height: 1.6; }

.login-success { text-align: center; padding: 24px 0; }
.login-success__check {
  display: grid;
  place-items: center;
  width: 60px;
  height: 60px;
  margin: 0 auto 20px;
  border-radius: 50%;
  background: var(--teal-100);
  color: var(--teal);
}
.login-success .login-card__desc { margin-bottom: 24px; }
.login__back { margin: 24px 0 0; color: var(--ink-4); font-size: 13px; }

/* ==========================================================================
   19 开通账号页（register.html）——复用登录页左右分栏，只讲开通流程，不做表单
   ========================================================================== */
.reg-lead { color: var(--ink-3); font-size: 14px; line-height: 1.7; }
.reg-steps { display: flex; flex-direction: column; gap: 20px; margin: 24px 0 0; }
.reg-steps li { display: flex; align-items: flex-start; gap: 12px; }
.reg-steps__num {
  display: grid;
  place-items: center;
  width: 28px;
  height: 28px;
  border-radius: 50%;
  background: var(--brand-100);
  color: var(--brand-text);
  font-family: var(--mono);
  font-size: 12px;
  font-weight: 700;
  flex: none;
}
.reg-steps__body { display: flex; flex-direction: column; gap: 4px; min-width: 0; }
.reg-steps__name { color: var(--ink); font-size: 15px; font-weight: 600; line-height: 1.5; }
.reg-steps__desc { color: var(--ink-3); font-size: 13px; line-height: 1.7; }
.reg-action {
  display: flex;
  flex-direction: column;
  gap: 12px;
  margin-top: 28px;
  padding: 16px;
  border: 1px solid var(--line);
  border-radius: var(--r-md);
  background: var(--bg-soft);
}
.reg-action__note { color: var(--ink-2); font-size: 13px; line-height: 1.7; }
/* 企业微信二维码直出（2026-10-18：撤弹层，码直接落在页面上；白底，不加灰底、不裁圆角） */
.reg-contact { margin: 28px 0 0; padding-top: 24px; border-top: 1px solid var(--line-2); }
.reg-contact__qr { width: 180px; height: 180px; }
.reg-contact__note { margin: 12px 0 0; color: var(--ink-3); font-size: 13px; line-height: 1.7; }

/* ==========================================================================
   20 法务长文（服务条款 / 隐私政策）
   ========================================================================== */
.legal { padding: 72px 0 96px; }
.legal__inner { max-width: 760px; margin: 0 auto; }
.legal__head { padding-bottom: 32px; border-bottom: 1px solid var(--line); }
.legal__title {
  margin: 0 0 16px;
  font-size: clamp(30px, 3.4vw, 44px);
  font-weight: 800;
  line-height: 1.2;
  letter-spacing: -.025em;
}
.legal__meta { display: flex; flex-wrap: wrap; gap: 4px 20px; color: var(--ink-3); font-size: 13px; line-height: 1.6; }
.legal__intro { margin: 24px 0 0; color: var(--ink-2); font-size: 16px; line-height: 1.8; }
.legal__body h2 {
  margin: 40px 0 12px;
  font-size: 20px;
  font-weight: 700;
  line-height: 1.4;
  letter-spacing: -.01em;
}
.legal__body p { margin: 0 0 16px; color: var(--ink-2); font-size: 15px; line-height: 1.8; }
.legal__body p:last-child { margin-bottom: 0; }
.legal__body strong { color: var(--ink); font-weight: 600; }
.legal__foot {
  margin-top: 48px;
  padding-top: 24px;
  border-top: 1px solid var(--line);
  color: var(--ink-4);
  font-size: 13px;
  line-height: 1.8;
}

/* ==========================================================================
   21 动效与无障碍
   ========================================================================== */
.js [data-reveal] {
  opacity: 0;
  transform: translateY(12px);
  transition: opacity .55s var(--ease), transform .55s var(--ease);
  transition-delay: var(--reveal-delay, 0ms);
}
.js [data-reveal].is-in { opacity: 1; transform: none; }

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *,
  *::before,
  *::after {
    animation-duration: .001ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: .001ms !important;
    scroll-behavior: auto !important;
  }
  .js [data-reveal] { opacity: 1; transform: none; }
}

/* ==========================================================================
   22 响应式
   ========================================================================== */
/* 大屏 Hero：拟真卡整体放大 8%——宽度走栅格，字号用 zoom 重新排版，避免 transform 模糊 */
@media (min-width: 1280px) {
  .hero__inner { grid-template-columns: minmax(0, .86fr) minmax(0, 1.14fr); gap: 32px; }
  .quote-chip--a { right: -24px; }
}

@media (max-width: 1279px) {
  .container { padding: 0 24px; }
  .hero__inner { gap: 40px; }
  .faq-layout { grid-template-columns: minmax(0, 320px) minmax(0, 1fr); gap: 48px; }
  .login__brand { padding: 48px 40px 32px; }
}

@media (max-width: 1199px) {
  .hero__title { font-size: clamp(38px, 4.6vw, 52px); }
  .quote-chip--b { left: -16px; }
}

/* 平板：顶栏折汉堡 */
@media (max-width: 1023px) {
  /* 胶囊窄屏收边：左右各留 12，高度仍 68（内框） */
  .site-header {
    top: 8px;
    width: calc(100vw - 24px);
    border-radius: 14px;
  }
  .header__nav,
  .header__actions { display: none; }
  .nav-toggle { display: inline-flex; }
  .section { padding: 72px 0; }
  .feature { padding: 12px 24px; }
  .features { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .flow { grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 40px 32px; }
  .flow__step::before { display: none; }
  .faq-layout { grid-template-columns: minmax(0, 1fr); gap: 32px; }
  .section__head--side { position: static; }
  .subscribe { grid-template-columns: minmax(0, 1fr); gap: 32px; }
  .subscribe__points { padding-left: 0; padding-top: 24px; border-left: 0; border-top: 1px solid var(--line-2); }
  .page-head { padding: 56px 0 8px; }
  .page-head__inner { gap: 28px; }
  .notes { grid-template-columns: minmax(0, 1fr); }
  .accounts { grid-template-columns: minmax(0, 1fr); }
  .login { grid-template-columns: minmax(0, 1fr); min-height: 0; }
  .login__brand { padding: 32px 24px 28px; }
  .login__brand-inner { max-width: none; }
  .login__slogan { margin: 28px 0 20px; font-size: 30px; max-width: 16em; }
  .login__art { display: none; }
  .login__brand-foot { display: none; }
  .login__panel { padding: 32px 24px 48px; align-items: stretch; }
  .login-card { max-width: 440px; margin: 0 auto; }
  .login__back { text-align: center; }
  .bottom-cta { padding: 72px 0; }
  .site-footer { padding: 48px 0 28px; }
  .footer__main { grid-template-columns: minmax(0, 1fr); gap: 32px; }
  .login__brand { border-right: 0; border-bottom: 1px solid var(--line); }
}

@media (max-width: 900px) {
  .hero { padding: 48px 0 64px; }
  .hero__inner { grid-template-columns: minmax(0, 1fr); gap: 48px; }
  .hero__visual { max-width: 640px; }
  .hero__sub { font-size: 16px; }
  .facts { grid-template-columns: minmax(0, 1fr); padding: 8px; }
  .fact { padding: 20px; border-left: 0; border-top: 1px solid var(--line-2); }
  .fact:first-child { border-top: 0; }
  .scenarios { grid-template-columns: minmax(0, 1fr); gap: 0; }
  .scenario { padding: 32px 0; }
  .scenario:first-child { padding-top: 0; }
  .scenario:last-child { padding-bottom: 0; }
  .scenario + .scenario { border-left: 0; border-top: 1px solid var(--line); }
  .scenario__pain { max-width: 34em; }
  .scenario__list { max-width: 34em; }
  .footer__nav { grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 32px 24px; }
  .bottom-cta__desc { font-size: 15px; }
}

@media (max-width: 767px) {
  .container { padding: 0 20px; }
  .section { padding: 56px 0; }
  .section__head { margin-bottom: 40px; }
  .section__desc { font-size: 15px; }
  .hero { padding: 40px 0 56px; }
  .hero__actions .btn { flex: 1 1 auto; }
  .hero__trust { margin-top: 24px; font-size: 13px; line-height: 1.8; }
  .features { grid-template-columns: minmax(0, 1fr); gap: 16px; }
  .flow { grid-template-columns: minmax(0, 1fr); gap: 32px; }
  .segmented__btn { font-size: 13px; }
  .subscribe { padding: 24px; }
  .subscribe__actions .btn { flex: 1 1 100%; }
  .faq__trigger { font-size: 16px; padding: 20px 0; gap: 16px; }
  /* 折叠态内边距必须放在 <p> 上：放 .faq__panel-inner 会在 0fr 行里漏出半行答案 */
  .faq__panel p { padding: 0 0 20px; }
  .bottom-cta { padding: 56px 0; }
  .bottom-cta__desc { font-size: 14px; }
  .site-footer { padding: 40px 0 24px; }
  .footer__legal { flex-direction: column; align-items: flex-start; gap: 8px; }
  .billing-note { flex-direction: column; gap: 8px; padding: 20px 24px; }
  .page-head { padding: 40px 0 4px; }
  .login__panel { padding: 28px 20px 40px; }
  .legal { padding: 40px 0 56px; }
  .legal__body h2 { margin-top: 32px; }

  /* 触控目标：独立文本链接与复选框补足到 44px */
  .footer__col { gap: 4px; }
  .footer__col a { display: flex; align-items: center; min-height: 44px; }
  .check { min-height: 44px; align-items: center; }
  .check__box { margin-top: 0; }
}

/* 移动端产品视觉：重排为窄版，不缩放 */
@media (max-width: 640px) {
  .quote-chip { font-size: 11px; padding: 8px 12px; }
  .quote-chip--a { display: none; }
  .quote-chip--b { display: none; }
  .hero__visual { max-width: 100%; }
}

@media (max-width: 519px) {
  .hero__title { font-size: 34px; }
  .hero__sub { font-size: 15px; }
  .hero__actions { gap: 12px; }
  .hero__actions .btn { flex: 1 1 100%; }
  .section__title { font-size: 26px; }
  .page-head__title { font-size: 30px; }
  .login__slogan { font-size: clamp(22px, 6.2vw, 26px); line-height: 1.32; }
  .fact__value { font-size: 26px; }
  .demo-box__list { grid-template-columns: 1fr; gap: 8px; }
  .demo-box__list div { display: flex; align-items: baseline; justify-content: space-between; gap: 8px; }
  .demo-box__list dt { font-size: 12px; }
  .reg-notice { font-size: 12px; padding: 12px 16px; }
}

/* 打印：只留正文 */
@media print {
  .site-header, .drawer, .drawer-backdrop, .bottom-cta { display: none !important; }
  /* 顶栏固定后 body 的补流在打印里必须归零，否则首页顶部空 100px */
  body { color: var(--ink); padding-top: 0 !important; }
  .section { padding: 24px 0; }
}

/* 主题：亮色单态（2026-10-18 按 001 决定收口；暗态块已移除，恢复见 README §12） */
:root { color-scheme: light; }

/* ---------------------------------------------------------------
 * 文字链按钮（联系销售）：2026-10-18 起直接指 register.html#contact，
 * 不再开弹层；类名沿用 .text-btn，元素由 <button> 改为 <a>
 * --------------------------------------------------------------- */
.text-btn {
  display: inline-flex;
  align-items: center;
  min-height: 44px;
  border: 0;
  background: none;
  padding: 0;
  font: inherit;
  color: var(--brand-text);
  cursor: pointer;
  text-decoration: none;
}
.text-btn:hover { text-decoration: underline; text-underline-offset: 3px; }

/* ==========================================================================
   23 成品报价单（首页 #sheet · A 块 / 99714-HOME-03A）
   活 DOM 纸样：无位图、无按钮；纸纹 = 极低对比 CSS 渐变 + 1px --line 内描边。
   本段必须留在文件末尾：要压过 21 的 [data-reveal]，才保得住 rotate(-0.6deg)。
   ========================================================================== */
.sheet__grid {
  display: grid;
  grid-template-columns: minmax(0, 5fr) minmax(0, 7fr);
  align-items: center;
  gap: 64px;
}
.sheet__copy { min-width: 0; }
.sheet__points {
  display: flex;
  flex-direction: column;
  gap: 12px;
  margin-top: 24px;
}
.sheet__points li {
  position: relative;
  padding-left: 28px;
  color: var(--ink-2);
  font-size: 15px;
  line-height: 1.7;
}

/* ★ 本纸是「示意」：边距/字号/行高为独立设定，非 definition_json 模板几何。
   模板定稿（011 · B2 校准后）需按真实几何再对一次。 */
.sheet__paper {
  position: relative;
  justify-self: center;
  align-self: center;
  width: 440px;
  max-width: 100%;
  aspect-ratio: 210 / 297;
  padding: 20px 20px 40px;
  border: 1px solid var(--line);
  border-radius: 4px;
  overflow: hidden;
  /* 纸面 = --bg-soft 叠 4% 暖色；纤维 alpha .008，1:1 看不出 */
  background-color: var(--bg-soft);
  background-image:
    radial-gradient(118% 76% at 84% -8%, rgba(255, 255, 255, .95), rgba(255, 255, 255, 0) 60%),
    linear-gradient(180deg, rgba(255, 255, 255, .58), rgba(255, 255, 255, 0) 44%),
    radial-gradient(120% 80% at 6% 106%, rgba(11, 18, 32, .026), rgba(11, 18, 32, 0) 58%),
    repeating-linear-gradient(115deg, rgba(11, 18, 32, .008) 0 2px, rgba(255, 255, 255, .022) 2px 4px),
    linear-gradient(rgba(255, 138, 61, .04), rgba(255, 138, 61, .04));
  box-shadow:
    0 2px 6px rgba(16, 24, 40, .08),
    0 24px 60px -20px rgba(16, 24, 40, .22);
  transform: rotate(-0.6deg);
}
.sheet__paper::after {
  content: "";
  position: absolute;
  inset: 8px;
  border: 1px solid var(--line);
  border-radius: 2px;
  pointer-events: none;
}
/* 公司名水印：居中 45°，纯文本，opacity .07 */
.sheet__stamp {
  position: absolute;
  top: 50%;
  right: 50%;
  transform: translate(50%, -50%) rotate(45deg);
  color: var(--ink);
  font-size: 24px;
  font-weight: 700;
  line-height: 1;
  letter-spacing: .1em;
  white-space: nowrap;
  opacity: .07;
  pointer-events: none;
  user-select: none;
}
.sheet__sample-tag {
  position: absolute;
  top: 12px;
  right: 12px;
  z-index: 2;
  padding: 0 4px;
  border: 1px solid var(--line);
  border-radius: 999px;
  color: var(--ink-3);
  font-size: 8px;
  line-height: 1.6;
  letter-spacing: .08em;
  white-space: nowrap;
  opacity: .75;
}

.sheet__doc {
  position: relative;
  z-index: 1;
  display: flex;
  flex-direction: column;
  height: 100%;
  color: var(--ink-2);
  font-size: 10px;
  line-height: 1.5;
  font-variant-numeric: tabular-nums;
}
.sheet__k { color: var(--ink-4); font-size: 9px; letter-spacing: .02em; }
.sheet__v { color: var(--ink); }
.sheet__v--id { font-family: var(--mono); font-size: 10px; letter-spacing: 0; }

.sheet__logo { display: flex; flex: none; flex-direction: column; align-items: flex-end; gap: 4px; margin-top: 2px; }
.sheet__logo-box {
  width: 40px;
  height: 40px;
  border: 0;
  border-radius: 2px;
  background: none;
  object-fit: contain;
}
.sheet__logo-text { color: var(--ink-4); font-size: 9px; line-height: 1.2; letter-spacing: .08em; }

.sheet__info {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 16px;
  margin-top: 16px;
  padding: 4px 0 8px;
}
.sheet__info-main { flex: 1; min-width: 0; }
.sheet__meta { font-size: 10px; line-height: 1.7; }
.sheet__field { display: inline-flex; align-items: baseline; gap: 4px; }

.sheet__ledger { margin-top: 12px; }
.sheet__table { width: 100%; table-layout: fixed; font-size: 10px; line-height: 1.4; }
.sheet__table th,
.sheet__table td { padding: 5px 4px; font-weight: 400; text-align: left; vertical-align: middle; }
.sheet__table th:first-child,
.sheet__table td:first-child { padding-left: 0; }
.sheet__table th:last-child,
.sheet__table td:last-child { padding-right: 0; }
.sheet__table thead th {
  padding-bottom: 4px;
  border-bottom: 1px solid var(--line);
  color: var(--ink-3);
  font-size: 9px;
  font-weight: 500;
  letter-spacing: .04em;
}
.sheet__table thead th:nth-child(1) { width: 26px; }
.sheet__table thead th:nth-child(3) { width: 66px; }
.sheet__table thead th:nth-child(4) { width: 28px; }
.sheet__table thead th:nth-child(5) { width: 28px; }
.sheet__table thead th:nth-child(6) { width: 60px; }
.sheet__table thead th:nth-child(7) { width: 66px; }
.sheet__table th:nth-child(2),
.sheet__table td:nth-child(2) { padding-left: 8px; }
.sheet__table th:nth-child(3),
.sheet__table td:nth-child(3) { white-space: nowrap; }
.sheet__table thead th:nth-child(1),
.sheet__table tbody td:nth-child(1),
.sheet__table thead th:nth-child(4),
.sheet__table tbody td:nth-child(4) { text-align: center; }
.sheet__table thead th:nth-child(5),
.sheet__table tbody td:nth-child(5),
.sheet__table thead th:nth-child(6),
.sheet__table tbody td:nth-child(6),
.sheet__table thead th:nth-child(7),
.sheet__table tbody td:nth-child(7) { text-align: right; }
.sheet__table tbody td { border-bottom: 1px solid var(--line); }
.sheet__room th {
  padding: 12px 0 4px;
  border-bottom: 1px solid var(--line-2);
  color: var(--ink);
  font-size: 10px;
  font-weight: 600;
  text-align: left;
}
.sheet__item { color: var(--ink); }
.sheet__amount { color: var(--ink); }

.sheet__sum {
  margin-top: auto; padding-top: 16px; border-top: 1px solid var(--line); }
.sheet__sum-title { color: var(--ink-3); font-size: 9px; letter-spacing: .04em; }
.sheet__buckets { display: grid; grid-template-columns: repeat(5, minmax(0, 1fr)); gap: 8px; margin-top: 8px; }
.sheet__bucket dt { color: var(--ink-4); font-size: 9px; line-height: 1.4; }
.sheet__bucket dd { color: var(--ink); font-size: 11px; line-height: 1.4; }
.sheet__grand { margin-top: 12px; padding-top: 8px; padding-right: 120px; border-top: 1px solid var(--line-2); }
.sheet__line { display: flex; align-items: baseline; justify-content: space-between; gap: 12px; font-size: 10px; line-height: 1.7; }
.sheet__line-k { color: var(--ink-3); font-size: 9px; }
.sheet__line-v { color: var(--ink); font-weight: 600; }
.sheet__line--final { padding-top: 4px; font-size: 13px; line-height: 1.5; }
.sheet__line--final .sheet__line-k { color: var(--ink-2); font-size: 10px; }
.sheet__line--final .sheet__line-v { color: var(--brand-text); font-size: 13px; font-weight: 700; }

.sheet__foot {
  display: flex;
  flex-direction: column;
  gap: 4px;
  margin-top: 8px;
  padding-top: 4px;
  border-top: 1px solid var(--line);
}
.sheet__foot-row {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 16px;
}
.sheet__foot-main { min-width: 0; }
.sheet__note { color: var(--ink-3); font-size: 9px; line-height: 1.6; }
.sheet__stamp-line { margin-top: 4px; color: var(--ink-3); font-size: 9px; line-height: 1.6; }
.sheet__page { color: var(--ink-3); font-size: 9px; font-weight: 400; line-height: 1.6; text-align: center; white-space: nowrap; }
.sheet__qr { position: absolute; right: 16px; bottom: 4px; display: flex; flex-direction: column; align-items: center; gap: 4px; }
.sheet__qr-link {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 4px;
  color: inherit;
  text-decoration: none;
  border-radius: 2px;
}
.sheet__qr-box {
  width: 96px;
  height: 96px;
  border: 0;
  border-radius: 2px;
  background: #fff;
  object-fit: contain;
}
.sheet__qr-caption { display: flex; align-items: baseline; justify-content: center; gap: 4px; white-space: nowrap; }
.sheet__qr-cap { color: var(--ink-4); font-size: 9px; line-height: 1.2; }
.sheet__qr-more { font-size: 8px; line-height: 1.2; letter-spacing: .02em; }
.sheet__qr-link:hover .sheet__qr-caption,
.sheet__qr-link:focus-visible .sheet__qr-caption { text-decoration: underline; text-underline-offset: 2px; }
.sheet__qr-link:hover .sheet__qr-box,
.sheet__qr-link:focus-visible .sheet__qr-box { box-shadow: 0 0 0 1px var(--brand-text); }
.sheet__qr-link:focus-visible { outline: 2px solid var(--brand-text); outline-offset: 4px; }

/* 入场：整纸 data-reveal 位移 12px，rotate 必须保住 */
.js .sheet__paper[data-reveal] { opacity: 0; transform: translateY(12px) rotate(-0.6deg); }
.js .sheet__paper[data-reveal].is-in { opacity: 1; transform: rotate(-0.6deg); }

@media (prefers-reduced-motion: reduce) {
  .js .sheet__paper[data-reveal],
  .js .sheet__paper[data-reveal].is-in { opacity: 1; transform: rotate(-0.6deg); transition: none; }
}
/* ---------- A4 纸面交互：扶正 + 轻抬（只动 transform / box-shadow，不改布局） ---------- */
@media (hover: hover) and (pointer: fine) {
  .js .sheet__paper[data-reveal].is-in {
    transition: transform .22s cubic-bezier(.2, .8, .2, 1), box-shadow .22s cubic-bezier(.2, .8, .2, 1);
  }
  .js .sheet__paper[data-reveal].is-in:hover,
  .js .sheet__paper[data-reveal].is-in:focus-within {
    transform: rotate(0deg) translateY(-4px);
    box-shadow:
      0 2px 6px rgba(16, 24, 40, .10),
      0 24px 60px -20px rgba(16, 24, 40, .30);
  }
}
/* 减弱动效：去掉位移与过渡，只保留「瞬时扶正」这一下可感知的反馈 */
@media (prefers-reduced-motion: reduce) {
  .js .sheet__paper[data-reveal].is-in:hover,
  .js .sheet__paper[data-reveal].is-in:focus-within {
    transform: rotate(0deg);
    transition: none;
  }
}

/* ≤1023 单栏；≤640 纸宽 100%（= 100vw - 40），字号 9–11px */
@media (max-width: 1023px) {
  .sheet__grid { grid-template-columns: minmax(0, 1fr); gap: 40px; }
  .sheet__paper { width: 480px; }
  .sheet__copy { max-width: 34em; }
}
@media (max-width: 640px) {
  .sheet__paper { width: 100%; padding: 16px 16px 36px; }
  .sheet__doc { font-size: 9px; line-height: 1.4; }
  .sheet__v--id { font-size: 9px; }
  .sheet__meta { font-size: 9px; line-height: 1.6; }
  .sheet__table { font-size: 9px; }
  /* 收起「规格」「单价」：留格、宽 0，fixed 表格才不会串列 */
  .sheet__table thead th:nth-child(3),
  .sheet__table tbody td:nth-child(3),
  .sheet__table thead th:nth-child(6),
  .sheet__table tbody td:nth-child(6) {
    width: 0;
    padding: 0;
    border: 0;
    overflow: hidden;
    white-space: nowrap;
    visibility: hidden;
  }
  .sheet__bucket dd { font-size: 10px; }
  .sheet__line { font-size: 9px; }
  .sheet__line--final,
  .sheet__line--final .sheet__line-v { font-size: 11px; }
  .sheet__logo-text,
  .sheet__qr-cap { font-size: 9px; }
}
@media (max-width: 440px) {
  .sheet__paper { aspect-ratio: auto; }
}

@media print {
  .sheet__paper { break-inside: avoid; transform: none; box-shadow: none; }
}

/* ---------- 登录中转页（2026-10-19：只做入口，不做表单） ---------- */
.login-redirect {
  max-width: 640px;
  margin: 0 auto;
  padding: 24px 0 8px;
  text-align: center;
}
.login-redirect__title { margin: 0 0 12px; font-size: clamp(32px, 3.2vw, 44px); font-weight: 800; letter-spacing: -.02em; }
.login-redirect__desc { margin: 0 auto 28px; max-width: 520px; color: var(--ink-3); font-size: 16px; line-height: 1.8; }
.login-redirect__actions { display: flex; flex-direction: column; align-items: center; gap: 16px; }
.login-redirect__note { margin: 28px 0 0; color: var(--ink-4); font-size: 12px; line-height: 1.7; }


/* ==========================================================================
   15 首页六块重构（096/097/099）：六张能力卡 / 为什么用我们的 / 数据安全独立区块 / 五步（计算器已删）
   ========================================================================== */
.features--modules { grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 20px; }
.features--modules .feature { padding: 24px; }
.features--modules .feature__top { margin-bottom: 16px; }
.features--modules .feature__icon { width: 40px; height: 40px; }
.features--modules .feature__title { font-size: 19px; }
.features--modules .feature__desc { font-size: 14px; line-height: 1.75; }

.why { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); }
.why__item { padding: 0 40px; min-width: 0; }
.why__item:first-child { padding-left: 0; }
.why__item:last-child { padding-right: 0; }
.why__item + .why__item { border-left: 1px solid var(--line); }
.why__title { margin: 0 0 16px; font-size: clamp(21px, 2vw, 27px); font-weight: 600; line-height: 1.45; letter-spacing: -.01em; }
.why__desc { max-width: 26em; color: var(--ink-3); font-size: 15px; line-height: 1.85; }
.why__art { margin: 0 0 24px; }
.why__art svg { display: block; width: 100%; max-width: 260px; height: auto; color: var(--ink-3); }

.assurance--section { margin-top: 0; }
.assurance--section .assurance__text { color: var(--ink-2); font-size: 15px; }


@media (max-width: 1199px) {
  .features--modules { grid-template-columns: repeat(3, minmax(0, 1fr)); }
}
@media (max-width: 1023px) {
  .features--modules { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .why__item { padding: 0 24px; }
}
@media (max-width: 767px) {
  .sheet__foot-row { gap: 8px; }
  .sheet__info { padding: 4px 0 8px; }
  .sheet__ledger { margin-top: 12px; }
  .sheet__sum { margin-top: 12px; }
  .sheet__room th { padding-top: 16px; }
  .features--modules { grid-template-columns: minmax(0, 1fr); }
  .why { grid-template-columns: minmax(0, 1fr); }
  .why__item { padding: 24px 0; }
  .why__item:first-child { padding-top: 0; }
  .why__item:last-child { padding-bottom: 0; }
  .why__item + .why__item { border-left: 0; border-top: 1px solid var(--line); }
  .why__art svg { max-width: 200px; }
}

/* ---------- 三档价格表（数据来自内联 #pricing-data；无数据整节隐藏） ----------
   桌面：一张 4 列表（行标签 + 基础/标准/专业），三档并列成列。
   ≤900px：同一套 DOM，thead/tbody/tr 退出盒树（display:contents），
   每个单元格成为单列网格项；按档位 order 排成「表头 → 价格 → 包含什么」，
   视觉上每档一张卡。★ 不做「桌面表格 + 移动卡片」两套标记。 */
.plans { display: block; }
.plans__table-wrap { border: 1px solid var(--line); border-radius: var(--r-lg); background: var(--bg); overflow: hidden; }
.plans-table { width: 100%; border-collapse: collapse; table-layout: fixed; }
.plans-table__corner { width: 148px; }
.plans-table thead th { padding: 24px 24px 20px; background: var(--bg-soft); text-align: center; vertical-align: bottom; border-bottom: 1px solid var(--line); }
.plans-table thead .plans-table__corner { background: var(--bg-soft); border-bottom: 1px solid var(--line); }
.plans-table thead th + th,
.plans-table tbody td { border-left: 1px solid var(--line); }
.plans-table tbody th { padding: 20px 24px 20px 0; color: var(--ink-3); font-size: 14px; font-weight: 500; text-align: left; vertical-align: top; }
.plans-table tbody td { padding: 20px 24px; vertical-align: top; }
.plans-table tbody tr + tr > * { border-top: 1px solid var(--line); }
.plans-table__plan .plan__name { display: block; margin: 0; font-size: 20px; font-weight: 600; letter-spacing: -.01em; }
.plan__price { display: flex; align-items: baseline; gap: 6px; margin: 0; }
.plan__amount { font-size: 34px; font-weight: 800; letter-spacing: -.03em; color: var(--ink); }
.plan__unit { color: var(--ink-3); font-size: 13px; }
.plan__list { display: flex; flex-direction: column; gap: 10px; margin: 0; padding: 0; list-style: none; font-size: 14px; line-height: 1.6; color: var(--ink-2); }
.plan__item { display: flex; gap: 8px; align-items: flex-start; }
.plan__mark { flex: none; width: 16px; text-align: center; font-weight: 700; }
.plan__item.is-yes .plan__mark { color: var(--brand-text); }
.plan__item.is-no { color: var(--ink-3); }
.plan__item.is-no .plan__mark { color: var(--ink-4); }
.plans__contact { margin: 24px 0 0; text-align: right; color: var(--ink-3); font-size: 14px; }
.plans__contact-link { color: var(--brand-text); font-weight: 600; text-decoration: none; border-bottom: 1px solid currentColor; }
.plans__contact-link:hover { color: var(--brand-hover); }

@media (max-width: 900px) {
  .plans__table-wrap { border: 0; border-radius: 0; background: transparent; overflow: visible; }
  .plans-table { display: grid; grid-template-columns: minmax(0, 1fr); border-collapse: separate; table-layout: auto; }
  .plans-table thead,
  .plans-table tbody,
  .plans-table tr { display: contents; }
  .plans-table th,
  .plans-table td { display: block; width: auto; }
  .plans-table tbody .plans-table__label,
  .plans-table tr .plans-table__corner { position: absolute; width: 1px; height: 1px; padding: 0; margin: 0; overflow: hidden; clip-path: inset(50%); white-space: nowrap; border: 0; }
  .plans-table thead .plans-table__plan { padding: 20px 20px 8px; border: 1px solid var(--line); border-bottom: 0; border-radius: var(--r-lg) var(--r-lg) 0 0; background: var(--bg-soft); text-align: left; }
  .plans-table tbody .plans-table__cell { padding: 4px 20px 16px; border: 0; border-left: 1px solid var(--line); border-right: 1px solid var(--line); background: var(--bg); }
  .plans-table tbody .plans-table__row--price .plans-table__cell { padding-top: 16px; }
  .plans-table tbody .plans-table__cell--features { padding-bottom: 24px; border-bottom: 1px solid var(--line); border-radius: 0 0 var(--r-lg) var(--r-lg); margin-bottom: 24px; }
  .plans-table__cell::before { content: attr(data-label); display: block; margin-bottom: 8px; color: var(--ink-3); font-size: 12px; font-weight: 500; letter-spacing: .02em; }
  .plans-table__plan[data-plan="BASIC"],
  .plans-table__cell[data-plan-cell="BASIC"] { order: 1; }
  .plans-table__plan[data-plan="STANDARD"],
  .plans-table__cell[data-plan-cell="STANDARD"] { order: 2; }
  .plans-table__plan[data-plan="PRO"],
  .plans-table__cell[data-plan-cell="PRO"] { order: 3; }
  .plans__contact { text-align: center; }
}