@charset "UTF-8";
/* ==========================================================================
   蓉管通 rongguantong.com
   成都管道疏通 · 化粪池清掏 · 污水污泥清运
   设计系统 + 页面样式（纯 CSS，无框架依赖）
   ========================================================================== */

/* --------------------------------------------------------------------------
   1. 设计令牌
   -------------------------------------------------------------------------- */
:root {
  --font-sans: "PingFang SC", "Microsoft YaHei", "Hiragino Sans GB", ui-sans-serif,
    system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;

  --ink: #0d1b2a;
  --navy-900: #071d31;
  --navy-800: #0a2c48;
  --navy-700: #0e3d63;

  --brand: #14629b;
  --brand-600: #0f5291;
  --brand-700: #0c4274;
  --brand-100: #dceaf6;
  --brand-50: #eef6fc;

  --orange: #f97316;
  --orange-600: #ea6200;
  --orange-100: #ffe2c7;
  --orange-50: #fff5eb;

  --green: #12b76a;
  --green-50: #e9fbf1;

  --body: #46566a;
  --muted: #6b7c90;
  --line: #e4ebf2;
  --line-soft: #eef3f8;
  --white: #ffffff;
  --bg: #f6f9fc;

  --radius-s: 8px;
  --radius: 14px;
  --radius-l: 20px;
  --radius-xl: 28px;

  --shadow-s: 0 1px 2px rgba(13, 27, 42, .06), 0 1px 3px rgba(13, 27, 42, .04);
  --shadow: 0 6px 16px -6px rgba(13, 27, 42, .12), 0 2px 6px rgba(13, 27, 42, .05);
  --shadow-l: 0 18px 40px -18px rgba(10, 44, 72, .28), 0 4px 12px rgba(13, 27, 42, .06);
  --shadow-brand: 0 14px 34px -14px rgba(15, 82, 145, .55);
  --shadow-orange: 0 14px 30px -12px rgba(234, 98, 0, .5);

  --header-h: 72px;
  --container: 1200px;
  --ease: cubic-bezier(.22, .68, .32, 1);
}

/* --------------------------------------------------------------------------
   2. 基础重置
   -------------------------------------------------------------------------- */
*,
*::before,
*::after { box-sizing: border-box; }

html {
  scroll-behavior: smooth;
  scroll-padding-top: calc(var(--header-h) + 16px);
  -webkit-text-size-adjust: 100%;
}

body {
  margin: 0;
  font-family: var(--font-sans);
  font-size: 16px;
  line-height: 1.75;
  color: var(--body);
  background: var(--white);
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

h1, h2, h3, h4, h5 {
  margin: 0 0 .6em;
  color: var(--ink);
  line-height: 1.3;
  font-weight: 800;
  letter-spacing: -.01em;
}
p { margin: 0 0 1em; }
p:last-child { margin-bottom: 0; }
img { max-width: 100%; display: block; }
/* 内联图标兜底尺寸：无上下文规则时按 18px 显示，避免 SVG 撑满容器 */
svg { display: block; width: 18px; height: 18px; flex: none; }
ul, ol { margin: 0 0 1em; padding: 0; }
a { color: var(--brand); text-decoration: none; transition: color .2s var(--ease); }
a:hover { color: var(--orange-600); }
button, input, select, textarea { font: inherit; color: inherit; }

:focus-visible {
  outline: 2px solid var(--orange);
  outline-offset: 3px;
  border-radius: 4px;
}

/* --------------------------------------------------------------------------
   3. 布局容器与通用工具类
   -------------------------------------------------------------------------- */
.container {
  width: 100%;
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 20px;
}
.noscript-tip {
  padding: 12px 20px;
  background: var(--navy-900);
  color: #ffe0c4;
  font-size: 14.5px;
  text-align: center;
}
.noscript-tip a { color: #ffb27a; font-weight: 700; }
.section { padding: 76px 0; }
.section-alt { background: var(--bg); }
.section-tight { padding: 52px 0; }

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 13px;
  font-weight: 700;
  letter-spacing: .16em;
  color: var(--orange-600);
  text-transform: uppercase;
  margin-bottom: 12px;
}
.eyebrow::before {
  content: "";
  width: 26px;
  height: 2px;
  background: var(--orange);
  border-radius: 2px;
}
.section-head { max-width: 760px; margin-bottom: 40px; }
.section-head.center { margin-left: auto; margin-right: auto; text-align: center; }
.section-head.center .eyebrow { justify-content: center; }
.section-title { font-size: clamp(26px, 3.4vw, 38px); }
.section-desc { font-size: 17px; color: var(--muted); margin-top: 14px; }

.grid { display: grid; gap: 22px; }
.grid-2 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.grid-3 { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.grid-4 { grid-template-columns: repeat(4, minmax(0, 1fr)); }

.text-brand { color: var(--brand); }
.text-orange { color: var(--orange-600); }
.text-center { text-align: center; }
.mt-0 { margin-top: 0; }
.mb-0 { margin-bottom: 0; }
.sr-only {
  position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px;
  overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; border: 0;
}

/* --------------------------------------------------------------------------
   4. 按钮
   -------------------------------------------------------------------------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  padding: 14px 26px;
  border: 1px solid transparent;
  border-radius: 999px;
  font-weight: 700;
  font-size: 16px;
  cursor: pointer;
  transition: transform .25s var(--ease), box-shadow .25s var(--ease),
    background-color .25s var(--ease), color .25s var(--ease);
  white-space: nowrap;
}
.btn svg { width: 20px; height: 20px; flex: none; }
.btn-primary {
  background: linear-gradient(135deg, var(--orange) 0%, var(--orange-600) 100%);
  color: #fff;
  box-shadow: var(--shadow-orange);
}
.btn-primary:hover {
  color: #fff;
  transform: translateY(-2px);
  box-shadow: 0 18px 36px -14px rgba(234, 98, 0, .6);
}
.btn-outline {
  background: rgba(255, 255, 255, .06);
  border-color: rgba(255, 255, 255, .45);
  color: #fff;
}
.btn-outline:hover { background: rgba(255, 255, 255, .16); color: #fff; }
.btn-brand {
  background: var(--brand);
  color: #fff;
  box-shadow: var(--shadow-brand);
}
.btn-brand:hover { background: var(--brand-700); color: #fff; transform: translateY(-2px); }
.btn-ghost {
  background: #fff;
  border-color: var(--line);
  color: var(--ink);
}
.btn-ghost:hover { border-color: var(--brand); color: var(--brand); }
.btn-sm { padding: 10px 18px; font-size: 15px; }
.btn-block { width: 100%; }
.btn-group { display: flex; flex-wrap: wrap; gap: 14px; }

/* --------------------------------------------------------------------------
   5. 顶部导航
   -------------------------------------------------------------------------- */
.topbar {
  background: var(--navy-900);
  color: rgba(255, 255, 255, .78);
  font-size: 13px;
  border-bottom: 1px solid rgba(255, 255, 255, .08);
}
.topbar .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  min-height: 38px;
  flex-wrap: wrap;
}
.topbar a { color: rgba(255, 255, 255, .82); }
.topbar a:hover { color: var(--orange); }
.topbar-left { display: flex; align-items: center; gap: 18px; flex-wrap: wrap; }
.topbar-right { display: flex; align-items: center; gap: 14px; }
.topbar-item { display: inline-flex; align-items: center; gap: 6px; }
.topbar-item svg { width: 15px; height: 15px; }

.header {
  position: sticky;
  top: 0;
  z-index: 60;
  background: rgba(255, 255, 255, .94);
  backdrop-filter: saturate(180%) blur(12px);
  border-bottom: 1px solid var(--line);
  transition: box-shadow .3s var(--ease);
}
.header.is-stuck { box-shadow: var(--shadow); }
.header .container {
  display: flex;
  align-items: center;
  flex-wrap: nowrap;
  gap: 24px;
  height: var(--header-h);
}
.logo { display: flex; align-items: center; gap: 12px; flex: none; }
.logo-mark {
  width: 44px; height: 44px;
  display: grid; place-items: center;
  border-radius: 12px;
  background: linear-gradient(140deg, var(--brand) 0%, var(--navy-800) 100%);
  color: #fff;
  box-shadow: var(--shadow-brand);
}
.logo-mark svg { width: 26px; height: 26px; }
.logo-text { display: flex; flex-direction: column; line-height: 1.2; }
.logo-name { font-size: 20px; font-weight: 800; color: var(--ink); letter-spacing: .02em; }
.logo-slogan { font-size: 11px; color: var(--muted); letter-spacing: .08em; }

.nav { margin-left: auto; min-width: 0; }
.nav-list {
  display: flex;
  align-items: center;
  gap: 2px;
  flex-wrap: nowrap;
  list-style: none;
  margin: 0;
  padding: 0;
}
.nav-list a {
  display: block;
  padding: 10px 14px;
  border-radius: 10px;
  font-size: 15.5px;
  font-weight: 600;
  color: var(--ink);
  white-space: nowrap;
  flex: none;
}
.nav-list a:hover { background: var(--brand-50); color: var(--brand); }
.nav-list a.is-active { color: var(--brand); }
.nav-list a.is-active::after {
  content: "";
  display: block;
  width: 18px; height: 3px;
  margin: 4px auto -4px;
  border-radius: 3px;
  background: var(--orange);
}

.header-cta { display: flex; align-items: center; gap: 12px; flex: none; }
.header-phone {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 19px;
  font-weight: 800;
  color: var(--orange-600);
  letter-spacing: .01em;
  white-space: nowrap;
  flex: none;
}
.header-phone svg { width: 20px; height: 20px; }

/* 移动端菜单开关：input + label 纯 CSS 实现（无 JS 可用） */
.nav-switch {
  position: absolute;
  width: 1px; height: 1px;
  opacity: 0;
  margin: 0;
  pointer-events: none;
}
.nav-toggle {
  display: none;
  width: 44px; height: 44px;
  border: 1px solid var(--line);
  background: #fff;
  border-radius: 12px;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  color: var(--ink);
}
.nav-toggle svg { width: 22px; height: 22px; }
.nav-switch:focus-visible ~ .nav-toggle {
  outline: 2px solid var(--orange);
  outline-offset: 3px;
}

/* --------------------------------------------------------------------------
   6. 首页 Hero
   -------------------------------------------------------------------------- */
.hero {
  position: relative;
  background: linear-gradient(135deg, var(--navy-900) 0%, var(--navy-700) 55%, var(--brand-700) 100%);
  color: #fff;
  overflow: hidden;
  padding: 72px 0 96px;
}
.hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    radial-gradient(circle at 12% 18%, rgba(20, 98, 155, .55), transparent 45%),
    radial-gradient(circle at 88% 12%, rgba(249, 115, 22, .25), transparent 40%),
    linear-gradient(90deg, rgba(255, 255, 255, .045) 1px, transparent 1px),
    linear-gradient(rgba(255, 255, 255, .045) 1px, transparent 1px);
  background-size: auto, auto, 46px 46px, 46px 46px;
  opacity: .9;
}
.hero::after {
  content: "";
  position: absolute;
  right: -140px; bottom: -180px;
  width: 620px; height: 620px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(249, 115, 22, .22), transparent 62%);
}
.hero .container { position: relative; z-index: 1; }
.hero-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.15fr) minmax(0, .85fr);
  gap: 48px;
  align-items: center;
}
.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 7px 16px 7px 10px;
  border-radius: 999px;
  background: rgba(255, 255, 255, .1);
  border: 1px solid rgba(255, 255, 255, .18);
  font-size: 14px;
  color: rgba(255, 255, 255, .92);
  margin-bottom: 22px;
}
.hero-badge svg { width: 17px; height: 17px; color: var(--orange); }
.hero-badge strong { color: #fff; }
.hero h1 {
  color: #fff;
  font-size: clamp(30px, 4.4vw, 52px);
  line-height: 1.24;
  margin-bottom: 20px;
}
.hero h1 em {
  font-style: normal;
  position: relative;
  color: #ffd0a8;
}
.hero-lead {
  font-size: 18px;
  line-height: 1.85;
  color: rgba(255, 255, 255, .84);
  max-width: 620px;
  margin-bottom: 28px;
}
.hero-highlights {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-bottom: 30px;
  padding: 0;
  list-style: none;
}
.hero-highlights li {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  padding: 7px 14px;
  border-radius: 999px;
  background: rgba(255, 255, 255, .1);
  border: 1px solid rgba(255, 255, 255, .16);
  font-size: 14.5px;
  color: rgba(255, 255, 255, .92);
}
.hero-highlights svg { width: 16px; height: 16px; color: var(--green); }
.hero-cta-note { margin-top: 18px; font-size: 14px; color: rgba(255, 255, 255, .65); }

/* Hero 右侧预约卡片 */
.hero-card {
  background: rgba(255, 255, 255, .97);
  color: var(--ink);
  border-radius: var(--radius-l);
  padding: 30px;
  box-shadow: var(--shadow-l);
}
.hero-card h2 { font-size: 21px; margin-bottom: 6px; }
.hero-card .card-sub { font-size: 14.5px; color: var(--muted); margin-bottom: 20px; }
.hero-card-phone a {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-size: 30px;
  font-weight: 800;
  color: var(--orange-600);
  letter-spacing: .01em;
}
.hero-card-phone svg { width: 26px; height: 26px; }
.hero-card-list { list-style: none; padding: 0; margin: 18px 0 22px; display: grid; gap: 10px; }
.hero-card-list li {
  display: flex;
  gap: 10px;
  align-items: flex-start;
  font-size: 15px;
  color: var(--body);
}
.hero-card-list svg { width: 18px; height: 18px; color: var(--green); flex: none; margin-top: 4px; }

/* --------------------------------------------------------------------------
   7. 数据条 / 信任背书
   -------------------------------------------------------------------------- */
.stat-band {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 20px;
  padding: 26px 32px;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--radius-l);
  box-shadow: var(--shadow);
  margin-top: -56px;
  position: relative;
  z-index: 3;
}
.stat { text-align: center; padding: 8px 10px; position: relative; }
.stat + .stat::before {
  content: "";
  position: absolute;
  left: -10px; top: 50%;
  transform: translateY(-50%);
  width: 1px; height: 46px;
  background: var(--line);
}
.stat-value {
  font-size: 34px;
  font-weight: 800;
  color: var(--brand);
  line-height: 1.1;
  letter-spacing: -.02em;
}
.stat-value span { font-size: 18px; margin-left: 2px; color: var(--orange-600); }
.stat-label { font-size: 14.5px; color: var(--muted); margin-top: 4px; }

/* --------------------------------------------------------------------------
   8. 服务卡片
   -------------------------------------------------------------------------- */
.card {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 26px;
  transition: transform .28s var(--ease), box-shadow .28s var(--ease), border-color .28s var(--ease);
  height: 100%;
}
.card:hover {
  transform: translateY(-5px);
  border-color: var(--brand-100);
  box-shadow: var(--shadow-l);
}
.svc-card { display: flex; flex-direction: column; }
.svc-icon {
  width: 58px; height: 58px;
  border-radius: 16px;
  display: grid; place-items: center;
  background: linear-gradient(145deg, var(--brand-50), #e3eff9);
  color: var(--brand);
  margin-bottom: 16px;
  transition: background .3s var(--ease), color .3s var(--ease);
}
.svc-icon svg { width: 30px; height: 30px; }
.svc-card:hover .svc-icon {
  background: linear-gradient(145deg, var(--orange-50), var(--orange-100));
  color: var(--orange-600);
}
.svc-card h3 { font-size: 19.5px; margin-bottom: 8px; }
.svc-card h3 a { color: inherit; }
.svc-card h3 a:hover { color: var(--brand); }
.svc-card p { font-size: 15px; color: var(--muted); flex: 1; }
.svc-tagline {
  font-size: 13.5px;
  color: var(--orange-600);
  background: var(--orange-50);
  border-radius: 8px;
  padding: 7px 12px;
  margin-bottom: 12px;
  display: block;
}
.svc-more {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 15px;
  font-weight: 700;
  color: var(--brand);
  margin-top: 14px;
}
.svc-more svg { width: 17px; height: 17px; transition: transform .25s var(--ease); }
.svc-card:hover .svc-more svg { transform: translateX(4px); }

/* --------------------------------------------------------------------------
   9. 流程步骤
   -------------------------------------------------------------------------- */
.steps { display: grid; grid-template-columns: repeat(5, minmax(0, 1fr)); gap: 18px; }
.step { position: relative; text-align: center; padding: 0 8px; }
.step + .step::before {
  content: "";
  position: absolute;
  left: -9px; top: 27px;
  width: 18px; height: 2px;
  background: repeating-linear-gradient(90deg, var(--brand-100) 0 5px, transparent 5px 10px);
}
.step-num {
  width: 54px; height: 54px;
  margin: 0 auto 14px;
  display: grid; place-items: center;
  border-radius: 50%;
  background: #fff;
  border: 2px solid var(--brand-100);
  color: var(--brand);
  font-size: 19px;
  font-weight: 800;
  box-shadow: var(--shadow-s);
}
.step h3 { font-size: 16.5px; margin-bottom: 6px; }
.step p { font-size: 14.5px; color: var(--muted); }

/* --------------------------------------------------------------------------
   10. 优势 / 卖点
   -------------------------------------------------------------------------- */
.feature-box { display: flex; gap: 18px; padding: 22px; border-radius: var(--radius); background: #fff; border: 1px solid var(--line); height: 100%; }
.feature-icon {
  width: 48px; height: 48px;
  flex: none;
  border-radius: 14px;
  display: grid; place-items: center;
  background: var(--brand-50);
  color: var(--brand);
}
.feature-icon svg { width: 24px; height: 24px; }
.feature-box h3 { font-size: 17.5px; margin-bottom: 6px; }
.feature-box p { font-size: 14.5px; color: var(--muted); }

.why-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1.05fr);
  gap: 48px;
  align-items: center;
}
.why-list { list-style: none; padding: 0; margin: 0; display: grid; gap: 14px; }
.why-list li { display: flex; gap: 12px; align-items: flex-start; }
.why-list svg { width: 22px; height: 22px; color: var(--green); flex: none; margin-top: 3px; }
.why-visual {
  position: relative;
  border-radius: var(--radius-l);
  overflow: hidden;
  background: linear-gradient(150deg, var(--navy-800), var(--brand-700));
  color: #fff;
  padding: 34px;
  box-shadow: var(--shadow-l);
  min-height: 340px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}
.why-visual::after {
  content: "";
  position: absolute;
  right: -60px; top: -60px;
  width: 220px; height: 220px;
  border-radius: 50%;
  background: rgba(249, 115, 22, .25);
}
.why-visual h3 { color: #fff; font-size: 22px; }
.why-visual p { color: rgba(255, 255, 255, .82); font-size: 15.5px; }
.why-visual-stats { display: grid; grid-template-columns: repeat(2, 1fr); gap: 16px; position: relative; z-index: 1; }
.why-visual-stats div { background: rgba(255, 255, 255, .1); border: 1px solid rgba(255, 255, 255, .16); border-radius: 14px; padding: 14px 16px; }
.why-visual-stats b { display: block; font-size: 26px; color: #fff; }
.why-visual-stats span { font-size: 13.5px; color: rgba(255, 255, 255, .75); }

/* --------------------------------------------------------------------------
   11. 设备展示
   -------------------------------------------------------------------------- */
.equip-card {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  overflow: hidden;
  background: #fff;
  height: 100%;
  display: flex;
  flex-direction: column;
}
.equip-figure {
  height: 150px;
  background: linear-gradient(150deg, var(--brand-50), #dbeaf6);
  display: grid; place-items: center;
  color: var(--brand);
}
.equip-figure svg { width: 62px; height: 62px; }
.equip-body { padding: 20px; }
.equip-body h3 { font-size: 17.5px; margin-bottom: 8px; }
.equip-body ul { list-style: none; padding: 0; margin: 0; display: grid; gap: 7px; }
.equip-body li { font-size: 14.5px; color: var(--muted); display: flex; gap: 8px; }
.equip-body li::before { content: ""; width: 6px; height: 6px; border-radius: 50%; background: var(--orange); flex: none; margin-top: 9px; }

/* --------------------------------------------------------------------------
   12. 服务区域（GEO 链接矩阵）
   -------------------------------------------------------------------------- */
.area-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(150px, 1fr));
  gap: 12px;
}
.area-link {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
  padding: 13px 16px;
  border: 1px solid var(--line);
  border-radius: 12px;
  background: #fff;
  font-size: 15px;
  font-weight: 600;
  color: var(--ink);
  transition: all .25s var(--ease);
}
.area-link:hover {
  border-color: var(--brand);
  color: var(--brand);
  background: var(--brand-50);
  transform: translateY(-2px);
  box-shadow: var(--shadow-s);
}
.area-link svg { width: 16px; height: 16px; color: var(--orange); flex: none; }
.area-note {
  margin-top: 20px;
  padding: 16px 20px;
  border-radius: 12px;
  background: var(--brand-50);
  border: 1px dashed var(--brand-100);
  font-size: 15px;
  color: var(--brand-700);
  display: flex;
  align-items: flex-start;
  gap: 10px;
}
.area-note svg,
.related-area-note svg {
  width: 18px;
  height: 18px;
  color: var(--orange);
  margin-top: 2px;
}

.streets {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  list-style: none;
  padding: 0;
  margin: 0;
}
.streets li {
  font-size: 14px;
  padding: 6px 12px;
  border-radius: 999px;
  background: var(--line-soft);
  color: var(--body);
}

/* --------------------------------------------------------------------------
   13. 案例 & 评价
   -------------------------------------------------------------------------- */
.case-card {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 24px;
  height: 100%;
  display: flex;
  flex-direction: column;
  gap: 14px;
}
.case-tag {
  align-self: flex-start;
  font-size: 12.5px;
  font-weight: 700;
  color: var(--orange-600);
  background: var(--orange-50);
  border-radius: 999px;
  padding: 5px 12px;
}
.case-card h3 { font-size: 17px; margin: 0; }
.case-card p { font-size: 14.5px; color: var(--muted); margin: 0; }
.case-meta {
  display: flex;
  gap: 16px;
  border-top: 1px dashed var(--line);
  padding-top: 14px;
  font-size: 14px;
  color: var(--muted);
}
.case-meta b { color: var(--brand); }
.case-meta span { display: inline-flex; align-items: center; gap: 6px; }
.case-meta svg { width: 15px; height: 15px; color: var(--orange); }

.review-card {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 26px;
  height: 100%;
  position: relative;
}
.review-card svg.review-mark { width: 34px; height: 34px; color: var(--brand-100); margin-bottom: 12px; }
.review-text { font-size: 15.5px; color: var(--body); }
.review-author { margin-top: 16px; font-size: 14.5px; color: var(--muted); }
.review-author b { color: var(--ink); display: block; font-size: 15px; }

/* --------------------------------------------------------------------------
   14. FAQ 手风琴
   -------------------------------------------------------------------------- */
.faq-list { display: grid; gap: 12px; }
.faq-item {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: #fff;
  overflow: hidden;
  transition: border-color .25s var(--ease), box-shadow .25s var(--ease);
}
.faq-item[open] { border-color: var(--brand-100); box-shadow: var(--shadow); }
.faq-q {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 18px 22px;
  cursor: pointer;
  list-style: none;
}
.faq-q::-webkit-details-marker { display: none; }
.faq-q::marker { content: ""; }
.faq-q:hover { color: var(--brand); }
.faq-text {
  margin: 0;
  font-size: 16.5px;
  font-weight: 700;
  color: var(--ink);
  line-height: 1.5;
}
.faq-q:hover .faq-text { color: var(--brand); }
.faq-toggle {
  width: 26px; height: 26px;
  flex: none;
  border-radius: 50%;
  border: 1px solid var(--line);
  display: grid; place-items: center;
  color: var(--brand);
  background: #fff;
  transition: transform .3s var(--ease), background .3s var(--ease);
}
.faq-item[open] .faq-toggle { transform: rotate(45deg); background: var(--brand-50); }
.faq-toggle svg { width: 14px; height: 14px; }
.faq-a p {
  padding: 0 22px 20px;
  font-size: 15.5px;
  color: var(--muted);
  margin: 0;
}
.faq-a > p { margin: 0; }

/* --------------------------------------------------------------------------
   15. 表单 / 联系
   -------------------------------------------------------------------------- */
.contact-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, .92fr);
  gap: 40px;
  align-items: start;
}
.form-card {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--radius-l);
  padding: 32px;
  box-shadow: var(--shadow);
}
.form-row { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 16px; }
.field { margin-bottom: 16px; }
.field label { display: block; font-size: 14.5px; font-weight: 700; color: var(--ink); margin-bottom: 7px; }
.field label .req { color: var(--orange-600); }
.field input,
.field select,
.field textarea {
  width: 100%;
  padding: 13px 15px;
  border: 1px solid var(--line);
  border-radius: 11px;
  background: #fcfdfe;
  font-size: 15.5px;
  transition: border-color .2s var(--ease), box-shadow .2s var(--ease);
}
.field input:focus,
.field select:focus,
.field textarea:focus {
  outline: none;
  border-color: var(--brand);
  box-shadow: 0 0 0 3px rgba(20, 98, 155, .12);
}
.field input.is-error,
.field select.is-error,
.field textarea.is-error { border-color: #e5484d; box-shadow: 0 0 0 3px rgba(229, 72, 77, .12); }
.checkbox {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  font-size: 14.5px;
  font-weight: 500;
  color: var(--muted);
  cursor: pointer;
}
.checkbox input {
  width: 18px;
  height: 18px;
  margin-top: 3px;
  flex: none;
  accent-color: var(--brand);
  cursor: pointer;
}
.checkbox input.is-error { outline: 2px solid #e5484d; outline-offset: 2px; }
.field-error { font-size: 13px; color: #d33b3f; margin-top: 6px; display: none; }
.field-error.is-show { display: block; }
  border-radius: 11px;
.form-status {
  margin-top: 14px;
  padding: 12px 16px;
  border-radius: 11px;
  font-size: 15px;
  display: none;
}
.form-status.is-show { display: block; }
.form-status.is-ok { background: var(--green-50); color: #0a7d4d; border: 1px solid #b9ebd3; }
.form-status.is-err { background: #fdecec; color: #b42318; border: 1px solid #f6c9c6; }
.form-tip { font-size: 13.5px; color: var(--muted); margin-top: 12px; }

.contact-info { display: grid; gap: 16px; }
.info-card {
  display: flex;
  gap: 16px;
  padding: 20px;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--radius);
}
.info-icon {
  width: 46px; height: 46px;
  flex: none;
  border-radius: 13px;
  display: grid; place-items: center;
  background: var(--brand-50);
  color: var(--brand);
}
.info-icon svg { width: 22px; height: 22px; }
.info-card h3 { font-size: 16px; margin-bottom: 4px; }
.info-card p, .info-card a { font-size: 15px; color: var(--muted); margin: 0; }
.big-phone {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-size: 27px;
  font-weight: 800;
  color: var(--orange-600);
  letter-spacing: .01em;
}
.big-phone svg { width: 24px; height: 24px; }

/* --------------------------------------------------------------------------
   16. CTA 通栏
   -------------------------------------------------------------------------- */
.cta-band {
  position: relative;
  overflow: hidden;
  border-radius: var(--radius-xl);
  background: linear-gradient(120deg, var(--navy-900) 0%, var(--brand-700) 60%, var(--brand) 100%);
  color: #fff;
  padding: 48px;
  box-shadow: var(--shadow-l);
}
.cta-band::after {
  content: "";
  position: absolute;
  right: -80px; top: -80px;
  width: 300px; height: 300px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(249, 115, 22, .3), transparent 65%);
}
.cta-inner {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 32px;
  align-items: center;
}
.cta-band h2 { color: #fff; font-size: clamp(24px, 2.8vw, 34px); margin-bottom: 10px; }
.cta-band p { color: rgba(255, 255, 255, .82); font-size: 16.5px; margin-bottom: 0; }
.cta-actions { display: flex; align-items: center; gap: 14px; flex-wrap: wrap; }

/* --------------------------------------------------------------------------
   17. 面包屑 / 页面 Hero（内页）
   -------------------------------------------------------------------------- */
.breadcrumb {
  font-size: 13.5px;
  color: var(--muted);
  padding: 14px 0;
  border-bottom: 1px solid var(--line);
  background: var(--bg);
}
.breadcrumb ol { list-style: none; display: flex; flex-wrap: wrap; gap: 8px; margin: 0; padding: 0; }
.breadcrumb li + li::before { content: "/"; margin-right: 8px; color: #b9c5d2; }
.breadcrumb a { color: var(--muted); }
.breadcrumb a:hover { color: var(--brand); }
.breadcrumb [aria-current="page"] { color: var(--ink); font-weight: 600; }

.page-hero {
  background: linear-gradient(135deg, var(--navy-900), var(--brand-700));
  color: #fff;
  padding: 52px 0 60px;
  position: relative;
  overflow: hidden;
}
.page-hero::before {
  content: "";
  position: absolute; inset: 0;
  background-image:
    radial-gradient(circle at 85% 20%, rgba(249, 115, 22, .22), transparent 45%),
    linear-gradient(90deg, rgba(255, 255, 255, .04) 1px, transparent 1px),
    linear-gradient(rgba(255, 255, 255, .04) 1px, transparent 1px);
  background-size: auto, 42px 42px, 42px 42px;
}
.page-hero .container { position: relative; z-index: 1; }
.page-hero h1 { color: #fff; font-size: clamp(26px, 3.6vw, 42px); margin-bottom: 12px; }
.page-hero .lead { font-size: 17.5px; color: rgba(255, 255, 255, .84); max-width: 760px; }
.page-hero-meta { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 20px; list-style: none; padding: 0; }
.page-hero-meta li {
  font-size: 14px;
  padding: 6px 14px;
  border-radius: 999px;
  background: rgba(255, 255, 255, .12);
  border: 1px solid rgba(255, 255, 255, .18);
}

/* --------------------------------------------------------------------------
   18. 内容排版（内页正文）
   -------------------------------------------------------------------------- */
.prose { max-width: none; }
.prose h2 { font-size: clamp(22px, 2.4vw, 30px); margin-top: 1.6em; }
.prose h3 { font-size: 19px; margin-top: 1.2em; }
.prose p, .prose li { font-size: 16px; color: var(--body); }
.prose > *:first-child { margin-top: 0; }

.check-list { list-style: none; padding: 0; margin: 0; display: grid; gap: 10px; }
.check-list li { display: flex; gap: 10px; align-items: flex-start; font-size: 15.5px; }
.check-list svg { width: 20px; height: 20px; color: var(--green); flex: none; margin-top: 3px; }

.pain-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 16px; }
.pain-card {
  border: 1px solid var(--line);
  border-left: 3px solid var(--orange);
  border-radius: 12px;
  padding: 18px 20px;
  background: #fff;
}
.pain-card h3 { font-size: 16.5px; margin-bottom: 6px; }
.pain-card p { font-size: 14.5px; color: var(--muted); margin: 0; }

.spec-grid { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 14px; }
.spec-item {
  text-align: center;
  padding: 18px 14px;
  border-radius: 12px;
  background: var(--brand-50);
  border: 1px solid var(--brand-100);
}
.spec-item span { display: block; font-size: 13.5px; color: var(--brand-700); margin-bottom: 4px; }
.spec-item b { font-size: 17px; color: var(--ink); }

.content-split {
  display: grid;
  grid-template-columns: minmax(0, 1.25fr) minmax(0, .75fr);
  gap: 40px;
  align-items: start;
}
.side-card {
  position: sticky;
  top: calc(var(--header-h) + 20px);
  border: 1px solid var(--line);
  border-radius: var(--radius-l);
  background: #fff;
  padding: 26px;
  box-shadow: var(--shadow);
}
.side-card h3 { font-size: 18px; }
.side-list { list-style: none; padding: 0; margin: 16px 0 20px; display: grid; gap: 10px; }
.side-list li { display: flex; gap: 9px; font-size: 14.5px; color: var(--muted); }
.side-list svg { width: 18px; height: 18px; color: var(--green); flex: none; margin-top: 3px; }
.sibling-nav { display: grid; gap: 10px; }
.sibling-nav a {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  padding: 12px 16px;
  border: 1px solid var(--line);
  border-radius: 11px;
  font-size: 15px;
  font-weight: 600;
  color: var(--ink);
  background: #fff;
}
.sibling-nav a:hover { border-color: var(--brand); color: var(--brand); background: var(--brand-50); }
.sibling-nav svg { width: 16px; height: 16px; color: var(--orange); }

.related-area-note {
  border: 1px dashed var(--brand-100);
  background: var(--brand-50);
  border-radius: 12px;
  padding: 14px 18px;
  font-size: 14.5px;
  color: var(--brand-700);
  display: flex;
  align-items: flex-start;
  flex-wrap: wrap;
  gap: 10px;
}
.related-area-note .area-grid { flex: 1 1 100%; }

/* --------------------------------------------------------------------------
   19. 页脚
   -------------------------------------------------------------------------- */
.footer {
  background: var(--navy-900);
  color: rgba(255, 255, 255, .7);
  padding: 58px 0 0;
  font-size: 15px;
}
.footer-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.4fr) repeat(3, minmax(0, 1fr));
  gap: 36px;
  padding-bottom: 40px;
}
.footer h3, .footer h4 { color: #fff; font-size: 16.5px; margin-bottom: 16px; }
.footer-logo { display: flex; align-items: center; gap: 12px; margin-bottom: 16px; }
.footer-logo .logo-mark { box-shadow: none; }
.footer-logo .logo-name { color: #fff; }
.footer p { color: rgba(255, 255, 255, .66); font-size: 14.5px; }
.footer-list { list-style: none; padding: 0; margin: 0; display: grid; gap: 10px; }
.footer-list a { color: rgba(255, 255, 255, .72); font-size: 14.5px; }
.footer-list a:hover { color: var(--orange); }
.footer-contact li { display: flex; gap: 10px; align-items: flex-start; }
.footer-contact svg { width: 17px; height: 17px; color: var(--orange); flex: none; margin-top: 4px; }
.footer-phone { font-size: 26px; font-weight: 800; color: #fff; letter-spacing: .01em; }
.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, .1);
  padding: 20px 0 28px;
  display: flex;
  justify-content: space-between;
  gap: 16px;
  flex-wrap: wrap;
  font-size: 13.5px;
  color: rgba(255, 255, 255, .55);
}
.footer-bottom a { color: rgba(255, 255, 255, .65); }
.footer-bottom a:hover { color: var(--orange); }
.icp-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  color: rgba(255, 255, 255, .78);
  text-decoration: none;
  border-bottom: 1px dashed rgba(255, 255, 255, .35);
  padding-bottom: 1px;
}
.icp-link:hover { color: var(--orange); border-bottom-color: var(--orange); }

/* --------------------------------------------------------------------------
   20. 移动端固定条 & 浮动工具
   -------------------------------------------------------------------------- */
.mobile-bar {
  display: none;
  position: fixed;
  left: 0; right: 0; bottom: 0;
  z-index: 70;
  background: rgba(255, 255, 255, .97);
  backdrop-filter: blur(10px);
  border-top: 1px solid var(--line);
  padding: 10px 12px calc(10px + env(safe-area-inset-bottom));
  box-shadow: 0 -6px 20px -12px rgba(13, 27, 42, .3);
}
.mobile-bar-inner { display: grid; grid-template-columns: repeat(3, 1fr); gap: 10px; }
.mobile-bar .btn { padding: 12px 8px; font-size: 15px; }

.fab-wrap {
  position: fixed;
  right: 16px;
  bottom: 88px;
  z-index: 65;
  display: grid;
  gap: 10px;
}
.fab {
  width: 48px; height: 48px;
  border-radius: 50%;
  display: grid;
  place-items: center;
  border: 1px solid var(--line);
  background: #fff;
  color: var(--body);
  box-shadow: var(--shadow);
  cursor: pointer;
  transition: all .25s var(--ease);
}
.fab svg { width: 22px; height: 22px; }
.fab:hover { color: var(--brand); transform: translateY(-2px); }
.fab-top { opacity: 0; pointer-events: none; transform: translateY(8px); }
.fab-top.is-show { opacity: 1; pointer-events: auto; transform: none; }

/* --------------------------------------------------------------------------
   21. 动画（滚动进场）
   -------------------------------------------------------------------------- */
.js-reveal { opacity: 1; transform: none; }
.has-js .js-reveal {
  opacity: 0;
  transform: translateY(18px);
  transition: opacity .6s var(--ease), transform .6s var(--ease);
}
.has-js .js-reveal.is-visible { opacity: 1; transform: none; }

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

/* 三列栅格：最后一行的孤立卡片居中，避免视觉空缺 */
@media (min-width: 901px) {
  .grid-3 > *:nth-child(3n + 1):last-child { grid-column: 2; }
  .grid-4 > *:nth-child(4n + 1):last-child { grid-column: 2; }
}

/* --------------------------------------------------------------------------
   22. 响应式
   -------------------------------------------------------------------------- */
/* 头部：中等宽度下先收缩，避免导航挤出容器 */
@media (max-width: 1240px) {
  .header .container { gap: 14px; }
  .logo-slogan { display: none; }
  .logo-text .logo-name { font-size: 20px; }
  .nav-list { gap: 0; }
  .nav-list a { padding: 9px 10px; font-size: 15px; }
  .header-phone { font-size: 17px; }
  .header-phone svg { width: 17px; height: 17px; }
}

@media (max-width: 1040px) {
  .header-cta .btn { display: none; }
  .nav-list a { padding: 9px 8px; font-size: 14.5px; }
}

@media (max-width: 1080px) {
  .hero-grid { grid-template-columns: 1fr; gap: 36px; }
  .hero { padding: 56px 0 72px; }
  .stat-band { grid-template-columns: repeat(2, 1fr); margin-top: -40px; }
  .stat + .stat::before { display: none; }
  .stat:nth-child(3)::before, .stat:nth-child(4)::before { display: none; }
  .grid-4 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .steps { grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 22px 16px; }
  .step:nth-child(4)::before { display: none; }
  .why-grid, .content-split, .contact-grid { grid-template-columns: 1fr; gap: 30px; }
  .side-card { position: static; }
  .footer-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .cta-inner { grid-template-columns: 1fr; }
}

@media (max-width: 900px) {
  .topbar { display: none; }
  .nav {
    position: fixed;
    inset: var(--header-h) 0 auto 0;
    max-height: calc(100vh - var(--header-h));
    overflow-y: auto;
    background: #fff;
    border-bottom: 1px solid var(--line);
    box-shadow: var(--shadow);
    margin: 0;
    padding: 10px 16px 18px;
    transform: translateY(-8px);
    opacity: 0;
    visibility: hidden;
    transition: all .25s var(--ease);
  }
  .nav-switch:checked ~ .nav {
    transform: none;
    opacity: 1;
    visibility: visible;
  }
  .nav-list { flex-direction: column; align-items: stretch; gap: 2px; }
  .nav-list a { padding: 13px 12px; border-radius: 10px; }
  .nav-list a.is-active::after { display: none; }
  .nav-toggle { display: inline-flex; }
  .nav-toggle-close { display: none; }
  .nav-switch:checked ~ .nav-toggle .nav-toggle-open { display: none; }
  .nav-switch:checked ~ .nav-toggle .nav-toggle-close { display: block; }
  .header-cta .btn { display: none; }
  .grid-3 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .spec-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .pain-grid { grid-template-columns: 1fr; }
  .mobile-bar { display: block; }
  body { padding-bottom: 74px; }
  .fab-wrap { bottom: 92px; }
}

@media (max-width: 720px) {
  :root { --header-h: 64px; }
  .section { padding: 52px 0; }
  .grid-2, .grid-3, .grid-4 { grid-template-columns: 1fr; }
  .steps { grid-template-columns: 1fr; }
  .step + .step::before { display: none; }
  .stat-band { grid-template-columns: repeat(2, 1fr); padding: 18px; gap: 8px; }
  .stat-value { font-size: 26px; }
  .steps { gap: 18px; }
  .form-row { grid-template-columns: 1fr; }
  .hero-card { padding: 24px; }
  .cta-band { padding: 30px 22px; border-radius: var(--radius-l); }
  .cta-band .btn { width: 100%; }
  .footer-grid { grid-template-columns: 1fr; gap: 28px; }
  .logo-slogan { display: none; }
  .header-phone { font-size: 16px; }
  .cta-inner { gap: 20px; }
  .contact-grid { gap: 26px; }
  .prose h2 { font-size: 22px; }
}

@media (max-width: 480px) {
  .area-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .hero-highlights li { font-size: 13.5px; }
  .mobile-bar-inner { grid-template-columns: 1fr 1fr; }
  .mobile-bar .btn-call { grid-column: span 2; }
}

/* --------------------------------------------------------------------------
   23. 打印样式
   -------------------------------------------------------------------------- */
@media print {
  .header, .topbar, .mobile-bar, .fab-wrap, .footer, .cta-band { display: none !important; }
  body { color: #000; background: #fff; }
  .hero { background: #fff !important; color: #000; padding: 0; }
  .hero h1, .hero-lead { color: #000; }
}