@charset "UTF-8";
/* ==========================================================================
   湖南帮邻家政 · 多页官网样式
   设计：居中式排版 / 暖白居家质感 / 深青绿主色 + 暖橙 CTA
   结构：tokens → base → utilities → header → hero → sections → footer → responsive
   约定：内容在无 JS 时完整可读；动效遵循 prefers-reduced-motion
   ========================================================================== */

/* ---------- 1. Design tokens ---------- */
:root {
  /* 品牌色 */
  --primary-color: #15655C;
  --primary-deep: #0C403A;
  --primary-soft: #E9F2EF;
  --accent-color: #E08A3C;
  --accent-deep: #C2701F;
  --accent-soft: #FCF0E2;

  /* 表面与文字 */
  --background-color: #FCFAF6;
  --surface-color: #FFFFFF;
  --surface-alt: #F4F1EA;
  --text-color: #1B2B27;
  --muted-text: #64736D;
  --line-color: #E7E0D5;
  --on-primary: #FFFFFF;

  /* 字体 */
  --body-font: "PingFang SC", "Microsoft YaHei", "Hiragino Sans GB", system-ui, -apple-system, sans-serif;
  --slogan-font: "PingFang SC", "Microsoft YaHei", "Hiragino Sans GB", system-ui, -apple-system, sans-serif;

  /* 尺寸 */
  --content-width: 1120px;
  --narrow-width: 820px;
  --gutter: clamp(20px, 5vw, 48px);
  --section-space: clamp(60px, 7.5vw, 104px);
  --radius: 18px;
  --radius-lg: 28px;
  --radius-pill: 999px;
  --shadow-sm: 0 2px 10px rgba(24, 46, 40, .05);
  --shadow-md: 0 14px 34px -18px rgba(24, 46, 40, .28);
  --shadow-lg: 0 30px 60px -30px rgba(24, 46, 40, .35);
  --ease: cubic-bezier(.22, 1, .36, 1);
}

/* ---------- 2. Base ---------- */
*, *::before, *::after { box-sizing: border-box; }

html {
  scroll-behavior: smooth;
  scroll-padding-top: 96px;
  -webkit-text-size-adjust: 100%;
}

body {
  margin: 0;
  font-family: var(--body-font);
  font-size: 16px;
  line-height: 1.85;
  color: var(--text-color);
  background: var(--background-color);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
}

body.menu-open { overflow: hidden; }

h1, h2, h3, h4, h5 { margin: 0; font-family: var(--slogan-font); font-weight: 700; line-height: 1.28; letter-spacing: -.01em; }
p, ul, ol, figure, blockquote { margin: 0; }
ul, ol { padding: 0; list-style: none; }
img, svg, video { display: block; max-width: 100%; }
img { height: auto; }
a { color: inherit; text-decoration: none; text-underline-offset: .24em; }
button, input, select, textarea { font: inherit; color: inherit; }
button { cursor: pointer; }
table { border-collapse: collapse; width: 100%; }
strong { font-weight: 600; }

::selection { background: var(--primary-soft); color: var(--primary-deep); }

/* 键盘焦点 */
:focus-visible {
  outline: 3px solid var(--accent-color);
  outline-offset: 3px;
  border-radius: 4px;
}

.skip-link {
  position: absolute;
  left: 50%;
  top: -100px;
  transform: translateX(-50%);
  z-index: 200;
  padding: 12px 22px;
  background: var(--primary-color);
  color: #fff;
  border-radius: 0 0 12px 12px;
  font-size: 14px;
  transition: top .2s var(--ease);
}
.skip-link:focus { top: 0; }

.visually-hidden {
  position: absolute !important;
  width: 1px; height: 1px;
  padding: 0; margin: -1px;
  overflow: hidden;
  clip: rect(0 0 0 0);
  white-space: nowrap;
  border: 0;
}

/* ---------- 3. Layout utilities ---------- */
.container {
  width: 100%;
  max-width: var(--content-width);
  margin-inline: auto;
  padding-inline: var(--gutter);
}

.section { padding-block: var(--section-space); }
.section--tight { padding-block: clamp(44px, 5vw, 72px); }
.section--alt { background: var(--surface-alt); }
.section--soft { background: var(--primary-soft); }
.section--paper { background: var(--surface-color); }

/* 居中区块头：全站统一 */
.sec-head {
  max-width: 760px;
  margin: 0 auto clamp(36px, 4.6vw, 58px);
  text-align: center;
}
.sec-head .eyebrow { margin-bottom: 18px; }
.sec-head h2 {
  font-size: clamp(26px, 3.3vw, 40px);
  letter-spacing: -.02em;
}
.sec-head .lead {
  margin: 18px auto 0;
  max-width: 640px;
  font-size: clamp(15.5px, 1.55vw, 17px);
  line-height: 1.9;
  color: var(--muted-text);
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  font-size: 12.5px;
  font-weight: 600;
  letter-spacing: .16em;
  color: var(--primary-color);
  text-transform: uppercase;
}
.eyebrow::before,
.eyebrow::after {
  content: "";
  width: 22px;
  height: 1px;
  background: currentColor;
  opacity: .45;
}
.eyebrow--plain::before, .eyebrow--plain::after { display: none; }

.lead { font-size: clamp(15.5px, 1.6vw, 17.5px); line-height: 1.9; color: var(--muted-text); }

.actions {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 14px;
  margin-top: 30px;
}

.center { text-align: center; }

/* 分隔用细线 */
.rule {
  width: 56px;
  height: 3px;
  margin: 22px auto 0;
  border-radius: 3px;
  background: var(--accent-color);
  opacity: .85;
}

/* ---------- 4. Buttons ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 9px;
  padding: 15px 30px;
  border: 1.5px solid transparent;
  border-radius: var(--radius-pill);
  font-size: 15.5px;
  font-weight: 600;
  line-height: 1;
  letter-spacing: .01em;
  transition: transform .22s var(--ease), background .22s var(--ease), color .22s var(--ease), box-shadow .22s var(--ease), border-color .22s var(--ease);
}
.btn:hover { transform: translateY(-2px); }
.btn:active { transform: translateY(0); }

.btn-primary {
  background: var(--accent-color);
  color: #fff;
  box-shadow: 0 12px 26px -14px rgba(224, 138, 60, .9);
}
.btn-primary:hover { background: var(--accent-deep); box-shadow: 0 18px 32px -16px rgba(194, 112, 31, .95); }

.btn-ghost {
  background: var(--surface-color);
  color: var(--primary-deep);
  border-color: var(--line-color);
  box-shadow: var(--shadow-sm);
}
.btn-ghost:hover { border-color: var(--primary-color); color: var(--primary-color); }

.btn-dark {
  background: var(--primary-color);
  color: #fff;
}
.btn-dark:hover { background: var(--primary-deep); }

.btn-sm { padding: 11px 22px; font-size: 14.5px; }
.btn-block { width: 100%; }

/* ---------- 5. Header ---------- */
.navbar {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(252, 250, 246, .88);
  backdrop-filter: saturate(150%) blur(14px);
  -webkit-backdrop-filter: saturate(150%) blur(14px);
  border-bottom: 1px solid transparent;
  transition: border-color .3s var(--ease), box-shadow .3s var(--ease), background .3s var(--ease);
}
.navbar.is-scrolled {
  background: rgba(255, 255, 255, .94);
  border-bottom-color: var(--line-color);
  box-shadow: 0 8px 24px -22px rgba(24, 46, 40, .55);
}

.nav-content {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  height: 76px;
}

.logo { display: flex; align-items: center; gap: 11px; flex: none; }
.logo-mark {
  display: grid;
  place-items: center;
  width: 40px; height: 40px;
  border-radius: 13px;
  background: var(--primary-color);
  color: #fff;
  font-size: 17px;
  font-weight: 700;
  letter-spacing: .02em;
  box-shadow: 0 8px 18px -10px rgba(21, 101, 92, .8);
}
.logo-text { display: flex; flex-direction: column; line-height: 1.25; }
.logo-text b { font-size: 16.5px; font-weight: 700; letter-spacing: .01em; }
.logo-text span { font-size: 11px; color: var(--muted-text); letter-spacing: .1em; }

/* 导航居中 */
.nav-links {
  position: absolute;
  left: 50%;
  transform: translateX(-50%);
}
.nav-list {
  display: flex;
  align-items: center;
  gap: 4px;
}
.nav-links li { list-style: none; }
.nav-links a {
  position: relative;
  display: block;
  padding: 9px 8px;
  border-radius: var(--radius-pill);
  font-size: 15px;
  color: var(--text-color);
  white-space: nowrap;
  transition: color .2s var(--ease), background .2s var(--ease);
}
.nav-links a:hover { color: var(--primary-color); background: var(--primary-soft); }
.nav-links a.is-active,
.nav-links a[aria-current="page"] {
  color: var(--primary-deep);
  font-weight: 600;
}
.nav-links a.is-active::after,
.nav-links a[aria-current="page"]::after {
  content: "";
  position: absolute;
  left: 50%;
  bottom: 1px;
  transform: translateX(-50%);
  width: 18px;
  height: 2px;
  border-radius: 2px;
  background: var(--accent-color);
}

.nav-cta { flex: none; display: flex; align-items: center; gap: 16px; }
.nav-phone {
  display: inline-flex;
  flex-direction: column;
  align-items: flex-start;
  justify-content: center;
  gap: 1px;
  margin-left: 2px;
  padding-left: 14px;
  border-left: 1px solid var(--line-color);
  font-size: 14.5px;
  line-height: 1.3;
  font-weight: 600;
  color: var(--primary-deep);
  letter-spacing: .01em;
  white-space: nowrap;
}
.nav-phone:hover { color: var(--accent-deep); }
.nav-phone em {
  font-style: normal;
  font-size: 12px;
  line-height: 1.35;
  font-weight: 500;
  color: var(--muted-text);
}

.menu-toggle {
  display: none;
  align-items: center;
  gap: 8px;
  padding: 9px 16px;
  border: 1px solid var(--line-color);
  border-radius: var(--radius-pill);
  background: var(--surface-color);
  font-size: 14px;
  font-weight: 600;
}
.menu-toggle .bars { display: inline-flex; flex-direction: column; gap: 4px; }
.menu-toggle .bars i { display: block; width: 16px; height: 2px; background: var(--primary-deep); border-radius: 2px; }

.nav-links a.mobile-contact { display: none; }

/* ---------- 6. Home hero ---------- */
.hero {
  position: relative;
  padding-top: clamp(48px, 6vw, 76px);
  padding-bottom: 0;
  background:
    radial-gradient(1100px 420px at 50% -140px, rgba(21, 101, 92, .10), transparent 70%),
    var(--background-color);
}
.hero-copy {
  max-width: 800px;
  margin: 0 auto;
  text-align: center;
}
.hero h1 {
  margin-top: 20px;
  font-size: clamp(31px, 4.9vw, 53px);
  line-height: 1.22;
  letter-spacing: -.025em;
  color: var(--primary-deep);
}
.hero h1 em {
  font-style: normal;
  white-space: nowrap;
  color: var(--primary-color);
  background-image: linear-gradient(to top, rgba(224, 138, 60, .30) 0, rgba(224, 138, 60, .30) 22%, transparent 22%);
  padding-inline: .04em;
}
.hero .lead {
  margin: 22px auto 0;
  max-width: 660px;
  text-wrap: pretty;
}
.hero-tags {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 8px 20px;
  margin-top: 26px;
  font-size: 14px;
  color: var(--muted-text);
}
.hero-tags li { display: inline-flex; align-items: center; gap: 7px; }
.hero-tags li::before {
  content: "";
  width: 6px; height: 6px;
  border-radius: 50%;
  background: var(--accent-color);
  flex: none;
}

.hero-media {
  position: relative;
  margin: clamp(38px, 5vw, 60px) auto 0;
  max-width: 1060px;
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-lg);
  background: var(--surface-alt);
}
.hero-media img {
  width: 100%;
  aspect-ratio: 16 / 9;
  object-fit: cover;
}
.hero-media::after {
  content: "";
  position: absolute;
  inset: auto 0 0 0;
  height: 30%;
  background: linear-gradient(to top, rgba(12, 64, 58, .42), transparent);
  pointer-events: none;
}
.hero-media figcaption {
  position: absolute;
  left: 0; right: 0; bottom: 22px;
  z-index: 1;
  text-align: center;
  padding-inline: 24px;
  font-size: 13.5px;
  letter-spacing: .02em;
  color: rgba(255, 255, 255, .92);
}

/* 数据条：叠在首屏图下缘，居中 */
.stats {
  position: relative;
  z-index: 2;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 0;
  max-width: 960px;
  margin: clamp(-58px, -5vw, -38px) auto 0;
  padding: 26px 12px;
  background: var(--surface-color);
  border: 1px solid var(--line-color);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-md);
}
.stat-item {
  text-align: center;
  padding: 4px 14px;
  border-right: 1px solid var(--line-color);
}
.stat-item:last-child { border-right: 0; }
.stat-number {
  display: block;
  font-size: clamp(24px, 2.8vw, 33px);
  font-weight: 700;
  line-height: 1.1;
  color: var(--primary-color);
  letter-spacing: -.02em;
}
.stat-number small { font-size: .52em; font-weight: 600; margin-left: 2px; }
.stat-label {
  display: block;
  margin-top: 8px;
  font-size: 12.5px;
  line-height: 1.5;
  color: var(--muted-text);
  letter-spacing: .02em;
}

.hero-foot {
  margin-top: clamp(26px, 3vw, 34px);
  text-align: center;
  font-size: 13px;
  color: var(--muted-text);
}

/* ---------- 7. Page hero（内页） ---------- */
.page-hero {
  position: relative;
  padding-top: clamp(46px, 5.6vw, 74px);
  padding-bottom: clamp(34px, 4vw, 52px);
  background:
    radial-gradient(900px 340px at 50% -120px, rgba(21, 101, 92, .10), transparent 70%),
    var(--background-color);
  border-bottom: 1px solid var(--line-color);
}
.page-hero .container { text-align: center; }
.page-hero h1 {
  margin-top: 0;
  font-size: clamp(25px, 3.9vw, 42px);
  text-wrap: balance;
  letter-spacing: -.02em;
  color: var(--primary-deep);
}
.page-hero .lead { margin: 16px auto 0; max-width: 680px; }
.page-hero .actions { margin-top: 26px; }

/* ---------- 8. Service cards ---------- */
.card-grid {
  display: grid;
  gap: clamp(18px, 2.4vw, 26px);
}
.card-grid--2 { grid-template-columns: repeat(2, 1fr); }
.card-grid--3 { grid-template-columns: repeat(3, 1fr); }
.card-grid--4 { grid-template-columns: repeat(4, 1fr); }

.svc-card {
  display: flex;
  flex-direction: column;
  overflow: hidden;
  background: var(--surface-color);
  border: 1px solid var(--line-color);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
  transition: transform .3s var(--ease), box-shadow .3s var(--ease), border-color .3s var(--ease);
}
.svc-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
  border-color: rgba(21, 101, 92, .22);
}
.svc-media {
  position: relative;
  overflow: hidden;
  background: var(--surface-alt);
}
.svc-media img {
  width: 100%;
  aspect-ratio: 4 / 3;
  object-fit: cover;
  transition: transform .6s var(--ease);
}
.svc-card:hover .svc-media img { transform: scale(1.035); }
.svc-badge {
  position: absolute;
  left: 14px;
  top: 14px;
  padding: 6px 13px;
  border-radius: var(--radius-pill);
  background: rgba(255, 255, 255, .94);
  color: var(--primary-deep);
  font-size: 12px;
  font-weight: 600;
  letter-spacing: .04em;
  box-shadow: var(--shadow-sm);
}
.svc-body {
  padding: 24px 22px 26px;
  text-align: center;
  display: flex;
  flex-direction: column;
  flex: 1;
}
.svc-body h3 {
  font-size: 20px;
  color: var(--primary-deep);
}
.svc-body p {
  margin: 11px auto 0;
  max-width: 34ch;
  font-size: 14.5px;
  line-height: 1.8;
  color: var(--muted-text);
}
.svc-points {
  margin: 16px auto 0;
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 7px;
}
.svc-points li {
  padding: 5px 12px;
  border-radius: var(--radius-pill);
  background: var(--primary-soft);
  color: var(--primary-deep);
  font-size: 12.5px;
  line-height: 1.5;
}
.svc-more {
  margin-top: 18px;
  font-size: 13.5px;
  font-weight: 600;
  color: var(--primary-color);
}
.svc-more::after { content: " →"; }

/* ---------- 9. Feature / value cards ---------- */
.value-card {
  padding: clamp(26px, 3vw, 34px) 24px;
  text-align: center;
  background: var(--surface-color);
  border: 1px solid var(--line-color);
  border-radius: var(--radius);
  box-shadow: var(--shadow-sm);
}
.value-icon {
  display: grid;
  place-items: center;
  width: 52px; height: 52px;
  margin: 0 auto 18px;
  border-radius: 16px;
  background: var(--primary-soft);
  color: var(--primary-color);
  font-size: 20px;
  font-weight: 700;
}
.value-card h3 { font-size: 17.5px; color: var(--primary-deep); }
.value-card p {
  margin: 10px auto 0;
  max-width: 30ch;
  font-size: 14.5px;
  line-height: 1.8;
  color: var(--muted-text);
}

/* 痛点对照（两列） */
.pain-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 22px; }
.pain-col {
  padding: 28px 26px;
  border-radius: var(--radius);
  border: 1px solid var(--line-color);
  background: var(--surface-color);
}
.pain-col--bad { background: #FBF6F4; border-color: #EFDFD8; }
.pain-col--good { background: var(--primary-soft); border-color: rgba(21, 101, 92, .18); }
.pain-col h3 {
  display: flex;
  align-items: center;
  gap: 9px;
  font-size: 16px;
  letter-spacing: .01em;
  color: var(--muted-text);
  justify-content: center;
  text-align: center;
}
.pain-col--good h3 { color: var(--primary-deep); }
.pain-col h3 i {
  display: grid; place-items: center;
  width: 22px; height: 22px;
  border-radius: 50%;
  font-size: 12px;
  font-style: normal;
  background: rgba(0, 0, 0, .06);
  flex: none;
}
.pain-col--good h3 i { background: var(--primary-color); color: #fff; }
.pain-list { margin-top: 18px; display: grid; gap: 2px; }
.pain-list li {
  padding: 11px 4px;
  border-bottom: 1px dashed var(--line-color);
  font-size: 14.5px;
  line-height: 1.7;
  text-align: left;
  color: var(--muted-text);
}
.pain-list li:last-child { border-bottom: 0; }
.pain-col--good .pain-list li { color: var(--text-color); }

/* ---------- 10. Steps ---------- */
.steps {
  display: grid;
  /* 按卡片数量自适应，避免 3 步时右侧空出一整列 */
  grid-template-columns: repeat(auto-fit, minmax(210px, 1fr));
  gap: 18px;
  counter-reset: step;
}
/* 三步：固定三列并收窄整体宽度，左右留白对称 */
.steps--3 {
  grid-template-columns: repeat(3, minmax(0, 1fr));
  max-width: 900px;
  margin-inline: auto;
}
.step {
  position: relative;
  padding: 30px 22px 26px;
  text-align: center;
  background: var(--surface-color);
  border: 1px solid var(--line-color);
  border-radius: var(--radius);
}
.step-no {
  display: grid;
  place-items: center;
  width: 44px; height: 44px;
  margin: 0 auto 16px;
  border-radius: 50%;
  background: var(--primary-color);
  color: #fff;
  font-size: 15px;
  font-weight: 700;
  letter-spacing: .02em;
}
.step h3 { font-size: 16.5px; color: var(--primary-deep); }
.step p {
  margin: 9px auto 0;
  max-width: 26ch;
  font-size: 14px;
  line-height: 1.75;
  color: var(--muted-text);
}
.steps--6 { grid-template-columns: repeat(3, 1fr); }

/* ---------- 11. Case cards ---------- */
.case-card {
  display: flex;
  flex-direction: column;
  overflow: hidden;
  background: var(--surface-color);
  border: 1px solid var(--line-color);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
  transition: transform .3s var(--ease), box-shadow .3s var(--ease);
}
.case-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-md); }
.case-card figure { position: relative; overflow: hidden; background: var(--surface-alt); }
.case-card figure img {
  width: 100%;
  aspect-ratio: 4 / 3;
  object-fit: cover;
  transition: transform .6s var(--ease);
}
.case-card:hover figure img { transform: scale(1.04); }
.case-tag {
  position: absolute;
  left: 14px; top: 14px;
  padding: 6px 13px;
  border-radius: var(--radius-pill);
  background: rgba(12, 64, 58, .82);
  color: #fff;
  font-size: 12px;
  letter-spacing: .04em;
  backdrop-filter: blur(4px);
}
.case-body { padding: 22px 22px 24px; text-align: center; display: flex; flex-direction: column; flex: 1; }
.case-body h3 { font-size: 18px; color: var(--primary-deep); }
.case-body p {
  margin: 9px auto 0;
  max-width: 36ch;
  font-size: 14px;
  line-height: 1.8;
  color: var(--muted-text);
}
.case-meta {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 6px 14px;
  margin-top: 14px;
  font-size: 12.5px;
  color: var(--muted-text);
}
.case-meta span { display: inline-flex; align-items: center; gap: 5px; }
.case-link {
  margin-top: auto;
  padding-top: 16px;
  font-size: 13.5px;
  font-weight: 600;
  color: var(--primary-color);
}
.case-link::after { content: " →"; }

/* ---------- 12. Certificate wall ---------- */
.cert-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 18px;
}
.cert-card {
  padding: 14px 14px 18px;
  text-align: center;
  background: var(--surface-color);
  border: 1px solid var(--line-color);
  border-radius: var(--radius);
  box-shadow: var(--shadow-sm);
}
.cert-card img {
  width: 100%;
  aspect-ratio: 4 / 3;
  object-fit: contain;
  border-radius: 10px;
  background: #FBF7F0;
}
.cert-card figcaption {
  margin-top: 12px;
  font-size: 13px;
  line-height: 1.6;
  color: var(--text-color);
}
.cert-card small {
  display: block;
  margin-top: 4px;
  font-size: 11.5px;
  color: var(--muted-text);
}

/* 资质条目清单（居中两列） */
.fact-list {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 10px 26px;
  margin-top: 28px;
  text-align: left;
  max-width: 800px;
  margin-inline: auto;
}
.fact-list li {
  display: flex;
  gap: 10px;
  padding: 12px 16px;
  background: var(--surface-color);
  border: 1px solid var(--line-color);
  border-radius: 12px;
  font-size: 14px;
  line-height: 1.7;
}
.fact-list li::before {
  content: "✓";
  flex: none;
  width: 18px; height: 18px;
  margin-top: 3px;
  display: grid; place-items: center;
  border-radius: 50%;
  background: var(--primary-soft);
  color: var(--primary-color);
  font-size: 11px;
  font-weight: 700;
}

/* ---------- 13. Pricing / packages ---------- */
.price-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
  align-items: stretch;
}
.price-card {
  position: relative;
  display: flex;
  flex-direction: column;
  padding: 32px 26px;
  text-align: center;
  background: var(--surface-color);
  border: 1px solid var(--line-color);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
}
.price-card--featured {
  border-color: var(--primary-color);
  box-shadow: var(--shadow-md);
  background: linear-gradient(180deg, #FFFFFF, #F7FBF9);
}
.price-badge {
  position: absolute;
  left: 50%;
  top: -13px;
  transform: translateX(-50%);
  padding: 5px 15px;
  border-radius: var(--radius-pill);
  background: var(--accent-color);
  color: #fff;
  font-size: 11.5px;
  font-weight: 600;
  letter-spacing: .06em;
  white-space: nowrap;
}
.price-card h3 { font-size: 19px; color: var(--primary-deep); }
.price-card .price-desc { margin-top: 8px; font-size: 13.5px; color: var(--muted-text); }
.price-line {
  margin-top: 20px;
  padding-block: 16px;
  border-top: 1px solid var(--line-color);
  border-bottom: 1px solid var(--line-color);
}
.price-line b {
  display: block;
  font-size: 15px;
  color: var(--primary-color);
  letter-spacing: .01em;
}
.price-line span { display: block; margin-top: 5px; font-size: 12.5px; color: var(--muted-text); }
.price-features { margin-top: 18px; margin-bottom: 26px; display: grid; gap: 9px; text-align: left; }
.price-features li {
  display: flex;
  gap: 9px;
  font-size: 14px;
  line-height: 1.7;
  color: var(--muted-text);
}
.price-features li::before {
  content: "·";
  color: var(--accent-color);
  font-weight: 700;
}
.price-card .btn { margin-top: auto; }

/* 报价说明表 */
.table-wrap {
  margin-top: 26px;
  border: 1px solid var(--line-color);
  border-radius: var(--radius);
  overflow-x: auto;
  background: var(--surface-color);
}
.table-wrap table { font-size: 14.5px; }
.table-wrap th, .table-wrap td {
  padding: 14px 18px;
  text-align: left;
  border-bottom: 1px solid var(--line-color);
  vertical-align: top;
}
.table-wrap thead th {
  background: var(--primary-soft);
  color: var(--primary-deep);
  font-weight: 600;
  font-size: 13.5px;
  letter-spacing: .02em;
  white-space: nowrap;
}
.table-wrap tbody tr:last-child td { border-bottom: 0; }
.table-wrap td:first-child { font-weight: 600; color: var(--primary-deep); white-space: nowrap; }

/* 提示条 */
.note {
  margin-top: 22px;
  padding: 16px 20px;
  border-left: 3px solid var(--accent-color);
  border-radius: 0 12px 12px 0;
  background: var(--accent-soft);
  font-size: 14px;
  line-height: 1.8;
  color: #6B4A28;
}
.note b { color: #5A3C1E; }

/* ---------- 14. FAQ ---------- */
.faq-list {
  max-width: var(--narrow-width);
  margin: 0 auto;
  display: grid;
  gap: 12px;
}
.faq-item {
  background: var(--surface-color);
  border: 1px solid var(--line-color);
  border-radius: 14px;
  overflow: hidden;
  transition: border-color .25s var(--ease), box-shadow .25s var(--ease);
}
.faq-item[open] { border-color: rgba(21, 101, 92, .28); box-shadow: var(--shadow-sm); }
.faq-item summary {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  padding: 20px 22px;
  cursor: pointer;
  list-style: none;
  font-size: 15.5px;
  font-weight: 600;
  line-height: 1.6;
  color: var(--primary-deep);
}
.faq-item summary::-webkit-details-marker { display: none; }
.faq-item summary::after {
  content: "+";
  flex: none;
  width: 26px; height: 26px;
  display: grid; place-items: center;
  border-radius: 50%;
  background: var(--primary-soft);
  color: var(--primary-color);
  font-size: 17px;
  font-weight: 400;
  line-height: 1;
  transition: transform .25s var(--ease), background .25s var(--ease);
}
.faq-item[open] summary::after { content: "−"; background: var(--primary-color); color: #fff; }
.faq-answer {
  padding: 0 22px 22px;
  font-size: 14.5px;
  line-height: 1.9;
  color: var(--muted-text);
}
.faq-answer p + p { margin-top: 10px; }
.faq-answer ul { margin-top: 8px; display: grid; gap: 6px; }
.faq-answer li { display: flex; gap: 8px; }
.faq-answer li::before { content: "·"; color: var(--accent-color); font-weight: 700; }

.faq-group { max-width: var(--narrow-width); margin: 0 auto; }
.faq-group + .faq-group { margin-top: 40px; }
.faq-group-title {
  margin-bottom: 16px;
  text-align: center;
  font-size: 13px;
  font-weight: 600;
  letter-spacing: .14em;
  color: var(--primary-color);
  text-transform: uppercase;
}

/* ---------- 15. Highlight band ---------- */
.band {
  padding-block: clamp(46px, 5.5vw, 72px);
  text-align: center;
  background:
    radial-gradient(900px 300px at 50% 0%, rgba(255, 255, 255, .14), transparent 65%),
    var(--primary-color);
  color: #fff;
}
.band h2 {
  max-width: 760px;
  margin: 0 auto;
  font-size: clamp(24px, 3vw, 34px);
  color: #fff;
}
.band p {
  max-width: 620px;
  margin: 16px auto 0;
  font-size: 15px;
  line-height: 1.9;
  color: rgba(255, 255, 255, .86);
}
.band .actions { margin-top: 28px; }
.band .btn-ghost { background: rgba(255, 255, 255, .12); color: #fff; border-color: rgba(255, 255, 255, .38); }
.band .btn-ghost:hover { background: rgba(255, 255, 255, .2); border-color: #fff; color: #fff; }

/* ---------- 15b. 培训业务线 ---------- */
.train-band {
  max-width: 980px;
  margin: 0 auto;
  padding: clamp(30px, 4.2vw, 56px) clamp(22px, 4vw, 56px);
  background: var(--surface-color);
  border: 1px solid var(--line-color);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
  text-align: center;
}
.train-band h2 {
  max-width: 660px;
  margin: 14px auto 0;
  font-size: clamp(22px, 2.7vw, 31px);
  text-wrap: balance;
}
.train-band .lead {
  max-width: 680px;
  margin: 14px auto 0;
  font-size: 15px;
  line-height: 1.9;
  color: var(--muted-text);
}
.train-cols {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 14px;
  margin-top: 28px;
  text-align: left;
}
.train-col {
  padding: 18px 20px 20px;
  background: var(--surface-alt);
  border-radius: var(--radius);
}
.train-col h3 {
  margin: 0 0 8px;
  font-size: 15px;
  letter-spacing: .02em;
  color: var(--primary-deep);
}
.train-col ul {
  margin: 0;
  padding-left: 1.1em;
  font-size: 14px;
  line-height: 1.9;
  color: var(--muted-text);
}
.train-band .actions { margin-top: 26px; }
.train-note {
  max-width: 740px;
  margin: 16px auto 0;
  font-size: 12.5px;
  line-height: 1.8;
  color: var(--muted-text);
}
@media (max-width: 820px) {
  .train-cols { grid-template-columns: 1fr; }
}

/* ---------- 16. Team / gallery ---------- */
.split {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: clamp(26px, 4vw, 56px);
  align-items: center;
}
.split--media-first .split-media { order: -1; }
.split-media {
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-md);
  background: var(--surface-alt);
}
.split-media img { width: 100%; aspect-ratio: 3 / 2; object-fit: cover; }
.split-body { text-align: left; }
.split-body h2 { font-size: clamp(23px, 2.7vw, 32px); color: var(--primary-deep); }
.split-body .lead { margin-top: 14px; }
.split-body .actions { justify-content: flex-start; margin-top: 24px; }

.gallery {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 14px;
}
.gallery figure {
  position: relative;
  overflow: hidden;
  border-radius: var(--radius);
  background: var(--surface-alt);
}
.gallery img {
  width: 100%;
  aspect-ratio: 4 / 3;
  object-fit: cover;
  transition: transform .6s var(--ease);
}
.gallery figure:hover img { transform: scale(1.05); }
.gallery figcaption {
  margin-top: 10px;
  padding-inline: 4px;
  font-size: 13.5px;
  line-height: 1.65;
  text-align: center;
  color: #4C5B55;
}

/* ---------- 17. Contact ---------- */
.contact-grid {
  display: grid;
  grid-template-columns: 1.05fr .95fr;
  gap: clamp(24px, 3.4vw, 44px);
  align-items: start;
}
.form-card, .contact-card {
  padding: clamp(26px, 3vw, 36px);
  background: var(--surface-color);
  border: 1px solid var(--line-color);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
}
.form-card h2, .contact-card h2 { font-size: 21px; color: var(--primary-deep); }
.form-card > p, .contact-card > p { margin-top: 8px; font-size: 14px; color: var(--muted-text); }

.form-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; margin-top: 22px; }
.field { display: flex; flex-direction: column; gap: 7px; }
.field--full { grid-column: 1 / -1; }
.field label { font-size: 13px; font-weight: 600; color: var(--text-color); letter-spacing: .01em; }
.field label .req { color: var(--accent-deep); }
.field input, .field select, .field textarea {
  width: 100%;
  min-height: 46px;
  padding: 12px 14px;
  border: 1px solid var(--line-color);
  border-radius: 11px;
  background: var(--background-color);
  font-size: 14.5px;
  line-height: 1.5;
  transition: border-color .2s var(--ease), background .2s var(--ease), box-shadow .2s var(--ease);
}
.field input::placeholder, .field textarea::placeholder { color: #9AA6A1; }
.field input:focus, .field select:focus, .field textarea:focus {
  outline: none;
  border-color: var(--primary-color);
  background: #fff;
  box-shadow: 0 0 0 3px rgba(21, 101, 92, .12);
}
.field textarea { min-height: 96px; resize: vertical; }
.form-hint { margin-top: 14px; font-size: 12.5px; line-height: 1.7; color: var(--muted-text); }
.form-card .btn { margin-top: 18px; }

.info-list { display: grid; gap: 2px; margin-top: 20px; }
.info-item {
  display: flex;
  gap: 14px;
  padding: 15px 0;
  border-bottom: 1px solid var(--line-color);
}
.info-item:last-child { border-bottom: 0; }
.info-item .ico {
  flex: none;
  display: grid; place-items: center;
  width: 38px; height: 38px;
  border-radius: 12px;
  background: var(--primary-soft);
  color: var(--primary-color);
  font-size: 15px;
}
.info-item dt { font-size: 12.5px; color: var(--muted-text); letter-spacing: .02em; }
.info-item dd { margin: 3px 0 0; font-size: 15px; line-height: 1.7; }
.info-item dd a:hover { color: var(--primary-color); }
.info-item dd strong { font-size: 17px; letter-spacing: .01em; color: var(--primary-deep); }

/* ---------- 18. Article（案例详情） ---------- */
.article { max-width: 860px; margin: 0 auto; }
.article-media {
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-md);
  margin-bottom: clamp(28px, 3.4vw, 42px);
}
.article-media img { width: 100%; aspect-ratio: 16 / 9; object-fit: cover; }
.article blockquote {
  margin: 0 0 30px;
  padding: 20px 24px;
  border-left: 3px solid var(--primary-color);
  border-radius: 0 12px 12px 0;
  background: var(--primary-soft);
  font-size: 15px;
  line-height: 1.85;
  color: var(--primary-deep);
}
.article h2 {
  margin-top: 36px;
  font-size: clamp(20px, 2.2vw, 25px);
  color: var(--primary-deep);
}
.article h2:first-of-type { margin-top: 0; }
.article p, .article li {
  margin-top: 12px;
  font-size: 15.5px;
  line-height: 1.95;
  color: #33423D;
}
.article ul { margin-top: 12px; display: grid; gap: 8px; }
.article ul li { display: flex; gap: 10px; margin-top: 0; }
.article ul li::before {
  content: "";
  flex: none;
  width: 7px; height: 7px;
  margin-top: 12px;
  border-radius: 50%;
  background: var(--accent-color);
}
.article-meta {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 10px 22px;
  margin-top: 20px;
  font-size: 13px;
  color: var(--muted-text);
}
.article-foot {
  margin-top: 40px;
  padding-top: 24px;
  border-top: 1px solid var(--line-color);
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 12px;
}

/* ---------- 19. Footer ---------- */
.footer {
  padding-top: clamp(50px, 6vw, 76px);
  background: #12312C;
  color: rgba(255, 255, 255, .78);
}
.footer-top { text-align: center; }
.footer-brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  color: #fff;
}
.footer-brand .logo-mark { background: rgba(255, 255, 255, .14); box-shadow: none; }
.footer-brand b { font-size: 17px; }
.footer-desc {
  max-width: 560px;
  margin: 18px auto 0;
  font-size: 14px;
  line-height: 1.85;
  color: rgba(255, 255, 255, .62);
}
.footer-cols {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
  margin-top: clamp(32px, 4vw, 46px);
  padding-top: clamp(30px, 3.6vw, 42px);
  border-top: 1px solid rgba(255, 255, 255, .12);
  text-align: center;
}
.footer-cols h3 {
  font-size: 13px;
  letter-spacing: .12em;
  color: rgba(255, 255, 255, .55);
  text-transform: uppercase;
  font-weight: 600;
}
.footer-cols ul { margin-top: 14px; display: grid; gap: 9px; }
.footer-cols a { font-size: 14px; color: rgba(255, 255, 255, .82); }
.footer-cols a:hover { color: #fff; }
.footer-cols .tel { font-size: 19px; font-weight: 700; color: #fff; letter-spacing: .01em; }
.tel-person {
  font-style: normal;
  font-size: 13px;
  font-weight: 500;
  letter-spacing: 0;
  color: var(--muted-text);
}
.footer-cols .tel-person { font-size: 13px; color: rgba(255, 255, 255, .6); }
.kv-table .tel-person, .kv-list .tel-person { margin-left: 4px; }
.footer-bottom {
  margin-top: clamp(30px, 4vw, 44px);
  padding: 22px 0 26px;
  border-top: 1px solid rgba(255, 255, 255, .12);
  text-align: center;
  font-size: 12.5px;
  line-height: 1.9;
  color: rgba(255, 255, 255, .5);
}
.footer-bottom p + p { margin-top: 6px; }
.footer-note { color: rgba(255, 255, 255, .42); }

/* ---------- 19b. Service blocks / wide media / form summary ---------- */
.svc-block { margin-bottom: clamp(52px, 6.5vw, 88px); }
.svc-block:last-child { margin-bottom: 0; }
.svc-block .sec-head { margin-bottom: clamp(24px, 3vw, 34px); }

.wide-media {
  max-width: 980px;
  margin: 0 auto;
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-md);
  background: var(--surface-alt);
}
.wide-media img { width: 100%; aspect-ratio: 16 / 9; object-fit: cover; }

.note--center { max-width: 880px; margin: 24px auto 0; }

.form-summary {
  margin-top: 24px;
  padding: 18px 20px;
  border: 1px dashed var(--primary-color);
  border-radius: 14px;
  background: var(--primary-soft);
}
.form-summary-title { font-size: 13.5px; font-weight: 600; color: var(--primary-deep); }
.form-summary pre {
  margin: 10px 0 0;
  padding: 14px 16px;
  background: #fff;
  border-radius: 10px;
  font-family: var(--body-font);
  font-size: 13px;
  line-height: 1.85;
  white-space: pre-wrap;
  word-break: break-word;
  color: var(--text-color);
}

.media-error {
  display: grid;
  place-items: center;
  min-height: 180px;
  background: var(--surface-alt);
}

/* ---------- 20. Responsive ---------- */
@media (max-width: 1120px) {
  .nav-links { gap: 0; }
  .nav-links a { padding: 9px 10px; font-size: 14.5px; }
  .nav-phone span { display: none; }
}

@media (max-width: 960px) {
  .nav-links { display: none; }
  .menu-toggle { display: inline-flex; }
  .nav-phone { display: none; }

  .js .nav-links.is-open {
    display: block;
    position: absolute;
    left: 0; right: 0;
    top: 76px;
    transform: none;
    padding: 14px var(--gutter) 22px;
    background: var(--surface-color);
    border-bottom: 1px solid var(--line-color);
    box-shadow: 0 24px 40px -30px rgba(24, 46, 40, .5);
  }
  .js .nav-links.is-open .nav-list {
    flex-direction: column;
    align-items: stretch;
    gap: 2px;
  }
  .js .nav-links.is-open .mobile-contact {
    display: flex;
    margin-top: 14px;
  }
  .js .nav-links.is-open a {
    padding: 13px 10px;
    border-radius: 10px;
    font-size: 15.5px;
    border-bottom: 1px solid rgba(21, 101, 92, .12);
  }
  .js .nav-links.is-open a:last-child { border-bottom: 0; }
  .js .nav-links.is-open a.is-active::after { display: none; }
  .js .nav-links.is-open a.is-active { background: var(--primary-soft); }

  .js .nav-links.is-open ~ .mobile-contact,
  .nav-links a.mobile-contact { display: none; }

  .steps, .steps--6 { grid-template-columns: repeat(2, 1fr); }
  .cert-grid { grid-template-columns: repeat(2, 1fr); }
  .card-grid--3, .card-grid--4 { grid-template-columns: repeat(2, 1fr); }
  .price-grid { grid-template-columns: 1fr; max-width: 480px; margin-inline: auto; }
  .contact-grid { grid-template-columns: 1fr; }
  .split { grid-template-columns: 1fr; }
  .split--media-first .split-media { order: 0; }
  .split-body { text-align: center; }
  .split-body .actions { justify-content: center; }
  .pain-grid { grid-template-columns: 1fr; }
  .gallery { grid-template-columns: repeat(2, 1fr); }
  .fact-list { grid-template-columns: 1fr; }
}

@media (max-width: 720px) {
  :root { --radius-lg: 22px; }
  body { font-size: 15.5px; }

  .nav-content { height: 66px; gap: 12px; }
  .nav-cta .btn-primary { display: none; }
  .js .nav-links.is-open { top: 66px; }
  .logo-mark { width: 36px; height: 36px; border-radius: 11px; font-size: 15px; }
  .logo-text b { font-size: 15.5px; }
  .logo-text span { font-size: 10px; }

  .hero h1 { font-size: clamp(27px, 7.4vw, 36px); }
  .hero .lead { font-size: 15px; }
  .hero-tags { font-size: 13px; gap: 6px 14px; }

  .stats { grid-template-columns: repeat(2, 1fr); gap: 0; padding: 18px 6px; }
  .stat-item { padding: 12px 8px; }
  .stat-item:nth-child(2) { border-right: 0; }
  .stat-item:nth-child(3), .stat-item:nth-child(4) { border-top: 1px solid var(--line-color); }
  .stat-number { font-size: 24px; }
  .stat-label { font-size: 11.5px; }

  .card-grid--2, .card-grid--3, .card-grid--4 { grid-template-columns: 1fr; }
  .steps, .steps--6 { grid-template-columns: 1fr; }
  .cert-grid { grid-template-columns: repeat(2, 1fr); }
  .cert-card { padding: 10px 10px 14px; }
  .cert-card figcaption { font-size: 12px; }
  .gallery { grid-template-columns: repeat(2, 1fr); gap: 10px; }

  .footer-cols { grid-template-columns: 1fr; gap: 26px; }
  .form-grid { grid-template-columns: 1fr; }

  .actions { gap: 10px; }
  .btn { padding: 14px 24px; font-size: 15px; }
  .actions .btn { flex: 1 1 100%; }

  .hero-media figcaption { font-size: 12px; bottom: 14px; }

  .table-wrap { border-radius: 12px; overflow-x: auto; }
  .table-wrap table { min-width: 520px; }
}

@media (max-width: 400px) {
  .cert-grid { grid-template-columns: 1fr 1fr; }
  .stat-number { font-size: 22px; }
  .logo-text span { display: none; }
  .menu-toggle { padding: 9px 14px; }
}

/* 手机端表格：改为上下堆叠，避免横向截断 */
@media (max-width: 620px) {
  .table-wrap--kv, .table-wrap--stack { overflow: visible; }
  .table-wrap--kv table, .table-wrap--stack table { min-width: 0; }
  .kv-table, .kv-table tbody, .kv-table tr, .kv-table td,
  .stack-table, .stack-table tbody, .stack-table tr, .stack-table td { display: block; width: 100%; }
  .kv-table tr {
    padding: 14px 18px;
    border-bottom: 1px solid var(--line-color);
  }
  .kv-table tr:last-child { border-bottom: 0; }
  .table-wrap .kv-table td,
  .table-wrap .stack-table td {
    padding: 0;
    border: 0;
    white-space: normal;
    line-height: 1.7;
  }
  .kv-table td:first-child {
    margin-bottom: 3px;
    font-size: 12.5px;
    font-weight: 600;
    letter-spacing: .04em;
    color: var(--muted-text);
  }
  .stack-table thead { display: none; }
  .stack-table tr {
    padding: 16px 18px 4px;
    border-bottom: 1px solid var(--line-color);
  }
  .stack-table tr:last-child { border-bottom: 0; }
  .table-wrap .stack-table td { padding: 0 0 12px; line-height: 1.72; }
  .stack-table td:first-child {
    font-size: 15.5px;
    font-weight: 700;
    color: var(--primary-deep);
    letter-spacing: .01em;
  }
  .stack-table td[data-label]::before {
    content: attr(data-label);
    display: block;
    margin-bottom: 2px;
    font-size: 12px;
    font-weight: 600;
    letter-spacing: .04em;
    color: var(--muted-text);
  }
}

@media (max-width: 520px) {
  .page-hero h1 { font-size: 25px; }
  .hero h1 { text-wrap: balance; }
}

/* ---------- 21. Motion & print ---------- */
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after {
    animation-duration: .001ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: .001ms !important;
  }
  .btn:hover, .svc-card:hover, .case-card:hover { transform: none; }
}

@media print {
  .navbar, .band, .footer, .menu-toggle, .actions { display: none !important; }
  body { background: #fff; color: #000; }
  .section { padding-block: 18px; }
}