/* =============================================================
   江苏顺芯科技有限公司 · 官方网站样式表
   视觉系统：温暖有机 / 圆润友好（Warm Organic）
   -------------------------------------------------------------
   目录
   01 设计变量与基础          02 通用布局与原子组件
   03 装饰元素（有机色块 / 波浪 / 手绘感）
   04 页头与移动端抽屉导航    05 首屏（错落卡片组合）
   06 通用区块与卡片          07 产品 / 筛选 / 对照表 / FAQ
   08 关于与联系              09 页脚与浮层
   10 响应式（1440 / 900 / 768 / 390）
   11 动效、打印与无障碍降级
   -------------------------------------------------------------
   本套设计要点：奶油米色底 + 五色有机色板、大圆角（卡片 30px /
   按钮胶囊）、柔和弥散阴影、衬线标题 + 无衬线正文的对比。
   ============================================================= */

/* ---------- 01 设计变量与基础 ---------- */
:root {
  /* 底色层 */
  --cream: #FDF8F1;
  --cream-2: #F6EEE2;
  --white: #FFFFFF;

  /* 文字层 */
  --ink: #2E2A24;
  --text: #4A443C;
  --muted: #6E6455;

  /* 五色有机色板（本套灵魂） */
  --mustard: #E8A33D;
  --terracotta: #D9694A;
  --sage: #7A9A6E;
  --blush: #E4B7A0;
  --cocoa: #5C4A3A;

  /* 派生色 */
  --mustard-ink: #9C6A15;
  --terracotta-deep: #C05539;
  --sage-deep: #5C7A52;
  --blush-soft: #F3DED2;

  --line: rgba(92, 74, 58, .14);
  --line-strong: rgba(92, 74, 58, .26);

  /* 柔和弥散阴影（永远不用硬阴影 / 霓虹发光） */
  --shadow-s: 0 8px 20px rgba(92, 74, 58, .07);
  --shadow: 0 18px 40px rgba(92, 74, 58, .10);
  --shadow-l: 0 30px 64px rgba(92, 74, 58, .16);

  /* 大圆角体系 */
  --r-card: 30px;
  --r-card-sm: 22px;
  --r-img: 24px;
  --r-input: 16px;
  --r-pill: 999px;

  /* 字体：衬线标题 + 无衬线正文 */
  --serif: Georgia, "Songti SC", "SimSun", "Noto Serif SC", serif;
  --sans: "PingFang SC", "HarmonyOS Sans SC", "Microsoft YaHei", "Helvetica Neue", Helvetica, Arial, system-ui, sans-serif;

  --container: 1180px;
  --header-h: 78px;
  --ease: cubic-bezier(.22, .61, .36, 1);
}

*, *::before, *::after { box-sizing: border-box; }

html {
  -webkit-text-size-adjust: 100%;
  scroll-behavior: smooth;
  scroll-padding-top: calc(var(--header-h) + 20px);
  overflow-x: hidden;
}

body {
  margin: 0;
  font-family: var(--sans);
  font-size: 16px;
  line-height: 1.8;
  color: var(--text);
  background: var(--cream);
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

h1, h2, h3, h4, h5 {
  margin: 0 0 .55em;
  font-family: var(--serif);
  font-weight: 700;
  color: var(--ink);
  line-height: 1.28;
  letter-spacing: .005em;
}

h1 { font-size: clamp(2.05rem, 4.4vw, 3.3rem); }
h2 { font-size: clamp(1.62rem, 3vw, 2.35rem); }
h3 { font-size: 1.2rem; }
h4 { font-size: 1.03rem; }

p { margin: 0 0 1em; }

a {
  color: var(--terracotta-deep);
  text-decoration: none;
  transition: color .22s var(--ease), background-color .22s var(--ease), border-color .22s var(--ease);
}
a:hover { color: var(--cocoa); }

img, svg { max-width: 100%; }
img { display: block; }

[hidden] { display: none !important; }

ul, ol { margin: 0; padding: 0; list-style: none; }

button, input, select, textarea { font: inherit; color: inherit; }

:focus-visible {
  outline: 3px solid rgba(217, 105, 74, .55);
  outline-offset: 3px;
  border-radius: 8px;
}

::selection { background: rgba(232, 163, 61, .3); }

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

.skip-link {
  position: absolute;
  top: 12px;
  left: 16px;
  z-index: 300;
  width: 1px; height: 1px;
  padding: 0;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  clip-path: inset(50%);
  white-space: nowrap;
  background: var(--cocoa);
  color: var(--cream);
  border-radius: var(--r-pill);
  font-size: .92rem;
}
.skip-link:focus {
  width: auto; height: auto;
  padding: 11px 22px;
  clip: auto;
  clip-path: none;
  color: var(--cream);
}

/* ---------- 02 通用布局与原子组件 ---------- */
.container {
  width: 100%;
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 26px;
}
.container-narrow { max-width: 840px; }

.section { padding: 96px 0; position: relative; }
.section-sm { padding: 62px 0; position: relative; }
.section-tight { padding: 72px 0; }
.section-cream { background: var(--cream-2); }
.section-white { background: var(--white); }
.section-cocoa {
  background: var(--cocoa);
  color: rgba(253, 248, 241, .82);
}
.section-cocoa h1, .section-cocoa h2, .section-cocoa h3, .section-cocoa h4 { color: var(--cream); }
.section-cocoa .section-head p { color: rgba(253, 248, 241, .72); }

.section-head { max-width: 700px; margin: 0 auto 54px; text-align: center; }
.section-head p { color: var(--muted); margin: 0; font-size: 1.02rem; }

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: .78rem;
  font-weight: 700;
  letter-spacing: .14em;
  color: var(--mustard-ink);
  background: rgba(232, 163, 61, .16);
  padding: 6px 16px;
  border-radius: var(--r-pill);
  margin-bottom: 18px;
}
.eyebrow::before {
  content: "";
  width: 7px; height: 7px;
  border-radius: 50%;
  background: var(--mustard);
  flex: 0 0 auto;
}
.eyebrow.sage { color: var(--sage-deep); background: rgba(122, 154, 110, .18); }
.eyebrow.sage::before { background: var(--sage); }
.eyebrow.terra { color: #9E4028; background: rgba(217, 105, 74, .16); }
.eyebrow.terra::before { background: var(--terracotta); }
.section-cocoa .eyebrow {
  color: var(--cream);
  background: rgba(253, 248, 241, .14);
}

.lede { font-size: 1.08rem; color: var(--muted); }

.grid { display: grid; gap: 26px; }
.grid-2 { grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); }
.grid-3 { grid-template-columns: minmax(0, 1fr) minmax(0, 1fr) minmax(0, 1fr); }
.grid-4 { grid-template-columns: minmax(0, 1fr) minmax(0, 1fr) minmax(0, 1fr) minmax(0, 1fr); }

/* 按钮：全部胶囊形 */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 9px;
  padding: 14px 30px;
  border-radius: var(--r-pill);
  border: 1px solid transparent;
  background: linear-gradient(135deg, var(--terracotta) 0%, var(--terracotta-deep) 100%);
  color: #fff;
  font-family: var(--sans);
  font-size: .96rem;
  font-weight: 600;
  cursor: pointer;
  white-space: nowrap;
  box-shadow: 0 12px 26px rgba(217, 105, 74, .26);
  transition: transform .26s var(--ease), box-shadow .26s var(--ease), background-color .26s, color .26s, border-color .26s;
}
.btn:hover {
  color: #fff;
  transform: translateY(-2px);
  box-shadow: 0 18px 34px rgba(217, 105, 74, .32);
}
.btn:active { transform: translateY(0); }

.btn-sun {
  background: linear-gradient(135deg, var(--mustard) 0%, #D08F27 100%);
  box-shadow: 0 12px 26px rgba(232, 163, 61, .3);
}
.btn-sun:hover { box-shadow: 0 18px 34px rgba(232, 163, 61, .36); }

.btn-sage {
  background: linear-gradient(135deg, var(--sage) 0%, var(--sage-deep) 100%);
  box-shadow: 0 12px 26px rgba(122, 154, 110, .28);
}
.btn-sage:hover { box-shadow: 0 18px 34px rgba(122, 154, 110, .34); }

.btn-outline {
  background: transparent;
  color: var(--cocoa);
  border-color: var(--line-strong);
  box-shadow: none;
}
.btn-outline:hover {
  color: var(--terracotta-deep);
  border-color: rgba(217, 105, 74, .5);
  background: rgba(217, 105, 74, .07);
  box-shadow: none;
}

.btn-light {
  background: rgba(253, 248, 241, .16);
  color: var(--cream);
  border-color: rgba(253, 248, 241, .4);
  box-shadow: none;
}
.btn-light:hover { background: rgba(253, 248, 241, .28); color: var(--cream); box-shadow: none; }

.btn-sm { padding: 10px 22px; font-size: .88rem; }
.btn-block { width: 100%; }
.btn-row { display: flex; gap: 14px; flex-wrap: wrap; }

.link-arrow {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  font-weight: 600;
  color: var(--terracotta-deep);
}
.link-arrow::after {
  content: "→";
  transition: transform .26s var(--ease);
}
.link-arrow:hover::after { transform: translateX(5px); }

/* 胶囊标签 */
.tag {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: .78rem;
  font-weight: 700;
  padding: 5px 14px;
  border-radius: var(--r-pill);
  background: rgba(232, 163, 61, .16);
  color: var(--mustard-ink);
  white-space: nowrap;
}
.tag.sage { background: rgba(122, 154, 110, .18); color: var(--sage-deep); }
.tag.terra { background: rgba(217, 105, 74, .16); color: #9E4028; }
.tag.blush { background: rgba(228, 183, 160, .34); color: #8C5334; }

/* 图标底座：圆润有机形 */
.icon-blob {
  width: 56px;
  height: 56px;
  display: grid;
  place-items: center;
  border-radius: 62% 38% 46% 54% / 55% 42% 58% 45%;
  background: rgba(232, 163, 61, .18);
  color: var(--mustard-ink);
  margin-bottom: 20px;
  transition: transform .3s var(--ease);
}
.icon-blob svg { width: 27px; height: 27px; }
.icon-blob.sage { background: rgba(122, 154, 110, .2); color: var(--sage-deep); }
.icon-blob.terra { background: rgba(217, 105, 74, .18); color: #9E4028; }
.icon-blob.blush { background: rgba(228, 183, 160, .38); color: #8C5334; }
.icon-blob.cocoa { background: rgba(92, 74, 58, .14); color: var(--cocoa); }

/* 统计数字 */
.stat { text-align: center; }
.stat-num {
  font-family: var(--serif);
  font-size: clamp(2rem, 3.6vw, 2.85rem);
  font-weight: 700;
  color: var(--ink);
  line-height: 1.12;
  font-variant-numeric: tabular-nums;
}
.stat-label { color: var(--muted); font-size: .94rem; margin-top: 8px; }
.stat-unit { font-size: .58em; margin-left: 2px; }
.section-cocoa .stat-num { color: var(--cream); }
.section-cocoa .stat-label { color: rgba(253, 248, 241, .74); }

/* 面包屑 */
.breadcrumb {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 9px;
  font-size: .88rem;
  color: var(--muted);
  margin-bottom: 20px;
}
.breadcrumb a { color: var(--terracotta-deep); }
.breadcrumb span { opacity: .55; }

/* ---------- 03 装饰元素：有机色块 / 波浪 / 手绘感 ---------- */
.blob-field {
  position: absolute;
  inset: 0;
  overflow: hidden;
  pointer-events: none;
  z-index: 0;
}
/* 装饰层永远位于内容之下：紧跟在装饰层后的容器抬到内容层 */
.blob-field + .container { position: relative; z-index: 2; }
.blob {
  position: absolute;
  display: block;
  border-radius: 62% 38% 46% 54% / 55% 42% 58% 45%;
  opacity: .5;
}
.blob.b-mustard { background: rgba(232, 163, 61, .3); }
.blob.b-terra { background: rgba(217, 105, 74, .22); }
.blob.b-sage { background: rgba(122, 154, 110, .26); }
.blob.b-blush { background: rgba(228, 183, 160, .45); }

.blob-1 { width: 340px; height: 320px; top: -110px; right: -70px; }
.blob-2 { width: 240px; height: 230px; bottom: -90px; left: -80px; }
.blob-3 { width: 150px; height: 145px; top: 26%; left: 42%; opacity: .34; }
.blob-4 { width: 260px; height: 250px; top: -80px; left: -70px; }
.blob-5 { width: 300px; height: 290px; bottom: -120px; right: -80px; }

.squiggle { position: absolute; color: var(--blush); opacity: .85; }
.squiggle.sq-1 { width: 150px; top: 14%; right: 12%; }
.squiggle.sq-2 { width: 118px; bottom: 12%; left: 8%; color: var(--sage); opacity: .5; }

/* 手绘感圆点阵 */
.dot-grid {
  position: absolute;
  width: 168px;
  height: 130px;
  background-image: radial-gradient(rgba(92, 74, 58, .22) 2px, transparent 2.2px);
  background-size: 18px 18px;
  opacity: .8;
}
.dot-grid.dg-1 { top: 12%; left: 3%; }
.dot-grid.dg-2 { bottom: 8%; right: 4%; }

/* 波浪分隔线 */
.wave { line-height: 0; position: relative; z-index: 1; }
.wave svg { display: block; width: 100%; height: 58px; }

/* 手绘感下划线 */
.mark-line {
  position: relative;
  white-space: nowrap;
}
.mark-line::after {
  content: "";
  position: absolute;
  left: -2%;
  right: -2%;
  bottom: .06em;
  height: .34em;
  border-radius: var(--r-pill);
  background: rgba(232, 163, 61, .34);
  z-index: -1;
}
.mark-line.terra::after { background: rgba(217, 105, 74, .26); }
.mark-line.terra { color: var(--terracotta); }

/* ---------- 04 页头与移动端抽屉导航 ---------- */
.site-header {
  position: fixed;
  inset: 0 0 auto;
  z-index: 120;
  height: var(--header-h);
  display: flex;
  align-items: center;
  background: rgba(253, 248, 241, .9);
  backdrop-filter: saturate(150%) blur(12px);
  -webkit-backdrop-filter: saturate(150%) blur(12px);
  border-bottom: 1px solid transparent;
  transition: border-color .3s, box-shadow .3s, background-color .3s;
}
.site-header.is-scrolled {
  background: rgba(253, 248, 241, .97);
  border-bottom-color: var(--line);
  box-shadow: 0 14px 30px rgba(92, 74, 58, .08);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 22px;
  width: 100%;
}

.logo {
  display: inline-flex;
  align-items: center;
  gap: 11px;
  color: var(--ink);
  flex: 0 0 auto;
}
.logo:hover { color: var(--ink); }
.logo-mark {
  width: 42px;
  height: 42px;
  border-radius: 62% 38% 46% 54% / 55% 42% 58% 45%;
  background: linear-gradient(140deg, var(--mustard) 0%, var(--terracotta) 100%);
  display: grid;
  place-items: center;
  box-shadow: 0 10px 22px rgba(232, 163, 61, .32);
  flex: 0 0 auto;
}
.logo-mark svg { width: 24px; height: 24px; }
.logo-text {
  font-family: var(--serif);
  font-size: 1.16rem;
  font-weight: 700;
  line-height: 1.1;
}
.logo-text small {
  display: block;
  font-family: var(--sans);
  font-size: .6rem;
  font-weight: 700;
  letter-spacing: .22em;
  color: var(--muted);
  margin-top: 1px;
}

.nav { display: flex; align-items: center; gap: 5px; }
.nav a {
  position: relative;
  padding: 10px 17px;
  border-radius: var(--r-pill);
  color: var(--text);
  font-size: .96rem;
  font-weight: 500;
}
.nav a:hover { color: var(--terracotta-deep); background: rgba(217, 105, 74, .08); }
.nav a.is-active { color: var(--terracotta-deep); font-weight: 700; background: rgba(232, 163, 61, .16); }

.nav-cta { display: none; }

.header-actions { display: flex; align-items: center; gap: 12px; flex: 0 0 auto; }
.header-tel {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-weight: 600;
  font-size: .93rem;
  color: var(--cocoa);
}
.header-tel svg { width: 17px; height: 17px; color: var(--terracotta); }
.header-tel:hover { color: var(--terracotta-deep); }

.nav-toggle {
  display: none;
  width: 46px;
  height: 46px;
  border: 1px solid var(--line);
  background: var(--white);
  border-radius: var(--r-pill);
  cursor: pointer;
  padding: 0;
  place-items: center;
  box-shadow: var(--shadow-s);
}
.nav-toggle span {
  display: block;
  width: 19px;
  height: 2px;
  border-radius: 2px;
  background: var(--cocoa);
  position: relative;
  transition: background-color .2s;
}
.nav-toggle span::before,
.nav-toggle span::after {
  content: "";
  position: absolute;
  left: 0;
  width: 19px;
  height: 2px;
  border-radius: 2px;
  background: var(--cocoa);
  transition: transform .3s var(--ease), top .3s var(--ease);
}
.nav-toggle span::before { top: -6px; }
.nav-toggle span::after { top: 6px; }
body.nav-open .nav-toggle span { background: transparent; }
body.nav-open .nav-toggle span::before { top: 0; transform: rotate(45deg); }
body.nav-open .nav-toggle span::after { top: 0; transform: rotate(-45deg); }

.nav-backdrop {
  position: fixed;
  inset: 0;
  background: rgba(46, 42, 36, .48);
  opacity: 0;
  visibility: hidden;
  transition: opacity .3s, visibility .3s;
  z-index: 110;
}
body.nav-open .nav-backdrop { opacity: 1; visibility: visible; }
body.nav-open { overflow: hidden; }

/* ---------- 05 首屏：错落卡片组合 ---------- */
.hero {
  position: relative;
  padding: calc(var(--header-h) + 74px) 0 92px;
  overflow: hidden;
  background: linear-gradient(180deg, var(--cream-2) 0%, var(--cream) 78%);
}
.hero .container { position: relative; z-index: 2; }
.hero-copy { min-width: 0; }
.hero-inner {
  display: grid;
  grid-template-columns: 1.04fr .96fr;
  gap: 56px;
  align-items: center;
}
.hero h1 { margin-bottom: 22px; }
.hero-lead {
  font-size: 1.09rem;
  color: var(--muted);
  max-width: 33em;
  margin-bottom: 32px;
}
.hero-note {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-top: 26px;
  font-size: .9rem;
  color: var(--muted);
}
.hero-note svg { width: 18px; height: 18px; color: var(--sage); flex: 0 0 auto; }

.hero-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 24px 34px;
  margin-top: 40px;
  padding-top: 28px;
  border-top: 1px solid var(--line);
}
.hero-meta .stat { text-align: left; }
.hero-meta .stat-num { font-size: 1.92rem; }
.hero-meta .stat-label { font-size: .85rem; }

.hero-visual { position: relative; }

.stack {
  position: relative;
  padding: 52px 30px 46px;
}
.stack-main {
  position: relative;
  background: var(--white);
  border-radius: var(--r-card);
  box-shadow: var(--shadow-l);
  padding: 28px 26px 24px;
  transform: rotate(-1.6deg);
  z-index: 2;
}
.stack-top { display: flex; align-items: center; gap: 14px; margin-bottom: 20px; }
.stack-avatar {
  width: 46px; height: 46px;
  flex: 0 0 auto;
  border-radius: 62% 38% 46% 54% / 55% 42% 58% 45%;
  background: rgba(122, 154, 110, .22);
  color: var(--sage-deep);
  display: grid;
  place-items: center;
  font-family: var(--serif);
  font-size: 1.15rem;
  font-weight: 700;
}
.stack-label { font-size: .78rem; color: var(--muted); letter-spacing: .04em; }
.stack-title { font-size: 1.12rem; margin: 0; }

.stack-canvas {
  position: relative;
  border-radius: var(--r-img);
  background: linear-gradient(150deg, rgba(232, 163, 61, .2), rgba(228, 183, 160, .34));
  min-height: 178px;
  display: grid;
  place-items: center;
  overflow: hidden;
}
.stack-canvas .blob-shape {
  position: absolute;
  display: block;
  border-radius: 62% 38% 46% 54% / 55% 42% 58% 45%;
}
.blob-shape.s1 { width: 96px; height: 92px; background: rgba(122, 154, 110, .55); top: 16px; left: 22px; }
.blob-shape.s2 { width: 64px; height: 62px; background: rgba(217, 105, 74, .45); bottom: 18px; right: 30px; }
.blob-shape.s3 { width: 40px; height: 38px; background: rgba(253, 248, 241, .85); bottom: 30px; left: 46%; }

.ring-inner { position: relative; display: grid; place-items: center; }
.ring { width: 122px; height: 122px; transform: rotate(-90deg); }
.ring circle { fill: none; stroke-linecap: round; }
.ring .ring-bg { stroke: rgba(253, 248, 241, .7); stroke-width: 9; }
.ring .ring-fg { stroke: var(--terracotta); stroke-width: 9; }
.ring-text {
  position: absolute;
  text-align: center;
  font-size: .74rem;
  color: var(--cocoa);
  line-height: 1.3;
}
.ring-text b {
  display: block;
  font-family: var(--serif);
  font-size: 1.42rem;
  color: var(--ink);
}

.stack-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 10px 18px;
  margin-top: 20px;
  font-size: .86rem;
  color: var(--muted);
}
.stack-meta li { display: flex; align-items: center; gap: 7px; }
.stack-meta svg { width: 16px; height: 16px; color: var(--mustard); flex: 0 0 auto; }

.stack-mini {
  position: absolute;
  background: var(--white);
  border-radius: var(--r-card-sm);
  box-shadow: var(--shadow);
  padding: 16px 20px;
  z-index: 3;
  display: flex;
  align-items: center;
  gap: 12px;
}
.stack-mini .mini-ic {
  width: 38px; height: 38px;
  flex: 0 0 auto;
  border-radius: 62% 38% 46% 54% / 55% 42% 58% 45%;
  display: grid;
  place-items: center;
}
.stack-mini .mini-ic svg { width: 19px; height: 19px; }
.stack-mini .mini-k { font-size: .74rem; color: var(--muted); }
.stack-mini .mini-v { font-family: var(--serif); font-weight: 700; color: var(--ink); font-size: 1.02rem; }
.sm-1 { top: 2px; right: 0; transform: rotate(2deg); }
.sm-2 { bottom: 2px; left: 0; transform: rotate(-3deg); }
.sm-1 .mini-ic { background: rgba(217, 105, 74, .18); color: #9E4028; }
.sm-2 .mini-ic { background: rgba(122, 154, 110, .2); color: var(--sage-deep); }

/* 缓慢浮动动画 */
@keyframes floaty {
  0%, 100% { transform: translateY(0) rotate(var(--rot, 0deg)); }
  50% { transform: translateY(-9px) rotate(var(--rot, 0deg)); }
}
.float-a { --rot: -1.6deg; animation: floaty 7s ease-in-out infinite; }
.float-b { --rot: 2deg; animation: floaty 6s ease-in-out infinite; animation-delay: -1.6s; }
.float-c { --rot: -3deg; animation: floaty 6.6s ease-in-out infinite; animation-delay: -3.2s; }

/* 信任条 */
.trust-bar {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: center;
  gap: 14px 18px;
}
.trust-bar span {
  padding: 13px 24px;
  border-radius: var(--r-pill);
  background: var(--white);
  border: 1px solid var(--line);
  color: var(--cocoa);
  font-size: .93rem;
  font-weight: 600;
  box-shadow: var(--shadow-s);
}
.trust-note { text-align: center; color: var(--muted); font-size: .9rem; margin: 0 0 22px; }

/* ---------- 06 通用区块与卡片 ---------- */
.card {
  background: var(--white);
  border-radius: var(--r-card);
  padding: 32px 30px;
  box-shadow: var(--shadow-s);
  height: 100%;
  transition: transform .3s var(--ease), box-shadow .3s var(--ease);
}
.card:hover { transform: translateY(-6px); box-shadow: var(--shadow); }
.card:hover .icon-blob { transform: scale(1.09); }
.card h3 { margin-bottom: .45em; }
.card p { color: var(--muted); font-size: .96rem; }
.card p:last-child { margin-bottom: 0; }

.card-tint { background: var(--cream-2); box-shadow: none; border: 1px solid var(--line); }
.card-tint:hover { box-shadow: var(--shadow); background: var(--white); }

.card-tall { display: flex; flex-direction: column; }

.card .card-foot { margin-top: auto; padding-top: 22px; }

/* 图文分栏 */
.split {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 62px;
  align-items: center;
}
.split-copy, .split-media { min-width: 0; }
.split.reverse .split-media { order: 2; }
.split h2 { margin-bottom: 18px; }
.split p { color: var(--muted); }
.split-media { position: relative; }

.check-list { display: grid; gap: 15px; margin: 26px 0 0; }
.check-list li {
  display: flex;
  gap: 13px;
  align-items: flex-start;
  font-size: .96rem;
  color: var(--text);
}
.check-list li::before {
  content: "";
  flex: 0 0 auto;
  width: 24px;
  height: 24px;
  margin-top: 3px;
  border-radius: 62% 38% 46% 54% / 55% 42% 58% 45%;
  background: rgba(122, 154, 110, .22) url("data:image/svg+xml;charset=utf-8,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%235C7A52' stroke-width='3.2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='20 6 9 17 4 12'/%3E%3C/svg%3E") center / 14px no-repeat;
}
.check-list li b { color: var(--ink); font-weight: 700; }
.check-list.sun li::before {
  background-color: rgba(232, 163, 61, .24);
  background-image: url("data:image/svg+xml;charset=utf-8,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%239C6A15' stroke-width='3.2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='20 6 9 17 4 12'/%3E%3C/svg%3E");
}

/* 数据面板卡（用于图文分栏右侧的示意界面） */
.panel {
  background: var(--white);
  border-radius: var(--r-card);
  box-shadow: var(--shadow-l);
  overflow: hidden;
}
.panel-head {
  display: flex;
  align-items: center;
  gap: 9px;
  padding: 17px 24px;
  background: var(--cream-2);
}
.panel-dot { width: 11px; height: 11px; border-radius: 50%; flex: 0 0 auto; }
.panel-dot:nth-child(1) { background: var(--blush); }
.panel-dot:nth-child(2) { background: var(--mustard); }
.panel-dot:nth-child(3) { background: var(--sage); }
.panel-title { margin-left: 8px; font-size: .82rem; font-weight: 700; color: var(--muted); }
.panel-body { padding: 26px 24px; }

.metric-row {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 16px;
  margin-bottom: 22px;
}
.metric-row .k { font-size: .84rem; color: var(--muted); }
.metric-row .v {
  font-family: var(--serif);
  font-size: 1.7rem;
  font-weight: 700;
  color: var(--ink);
  line-height: 1.2;
}
.metric-row .v em {
  font-style: normal;
  font-family: var(--sans);
  font-size: .9rem;
  font-weight: 700;
  color: var(--sage-deep);
}

.bars { display: flex; align-items: flex-end; gap: 10px; height: 118px; }
.bars i {
  flex: 1;
  border-radius: 14px 14px 7px 7px;
  animation: grow 1.1s var(--ease) both;
}
.bars i:nth-child(odd) { background: linear-gradient(180deg, var(--mustard), rgba(232, 163, 61, .32)); }
.bars i:nth-child(even) { background: linear-gradient(180deg, var(--sage), rgba(122, 154, 110, .32)); }
@keyframes grow { from { height: 8% !important; opacity: .35; } }

.progress-list { margin-top: 24px; display: grid; gap: 15px; }
.progress-item .lbl {
  display: flex;
  justify-content: space-between;
  font-size: .84rem;
  color: var(--muted);
  margin-bottom: 7px;
}
.progress-track {
  height: 10px;
  border-radius: var(--r-pill);
  background: var(--cream-2);
  overflow: hidden;
}
.progress-track i {
  display: block;
  height: 100%;
  border-radius: var(--r-pill);
  background: linear-gradient(90deg, var(--mustard), var(--terracotta));
}
.progress-item:nth-child(even) .progress-track i { background: linear-gradient(90deg, var(--sage), #5C7A52); }
.progress-item:nth-child(3n) .progress-track i { background: linear-gradient(90deg, var(--blush), #C98B69); }

/* 特色面板卡（用于图文分栏右侧） */
.figure-card {
  position: relative;
  border-radius: var(--r-card);
  padding: 36px 34px;
  background: linear-gradient(150deg, var(--mustard) 0%, var(--terracotta) 100%);
  color: #fff;
  box-shadow: var(--shadow-l);
  overflow: hidden;
}
.figure-card::after {
  content: "";
  position: absolute;
  width: 240px; height: 230px;
  right: -80px; bottom: -100px;
  border-radius: 62% 38% 46% 54% / 55% 42% 58% 45%;
  background: rgba(253, 248, 241, .18);
}
.figure-card h3 { color: #fff; }
.figure-card p { color: rgba(255, 255, 255, .88); }
.figure-card .mini-stats {
  position: relative;
  z-index: 2;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 20px;
  margin-top: 26px;
}
.figure-card .mini-stats b {
  display: block;
  font-family: var(--serif);
  font-size: 1.6rem;
  font-weight: 700;
}
.figure-card .mini-stats span { font-size: .84rem; color: rgba(255, 255, 255, .86); }

.figure-card.sage {
  background: linear-gradient(150deg, var(--sage) 0%, #5C7A52 100%);
}

/* 流程步骤 */
.steps {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1fr) minmax(0, 1fr) minmax(0, 1fr);
  gap: 24px;
  position: relative;
}
/* 贯穿整行的虚线：画在网格自身范围内，不使用任何负向偏移 */
.steps::before {
  content: "";
  position: absolute;
  top: 32px;
  left: 7%;
  right: 7%;
  height: 2px;
  border-radius: 2px;
  background: repeating-linear-gradient(90deg, rgba(92, 74, 58, .2) 0 9px, transparent 9px 18px);
  z-index: 0;
}
.steps-stack::before { display: none; }
.step { position: relative; padding-top: 6px; z-index: 1; }
.step-num {
  width: 52px; height: 52px;
  border-radius: 62% 38% 46% 54% / 55% 42% 58% 45%;
  background: rgba(232, 163, 61, .2);
  color: var(--mustard-ink);
  display: grid;
  place-items: center;
  font-family: var(--serif);
  font-size: 1.05rem;
  font-weight: 700;
  margin-bottom: 18px;
  position: relative;
  z-index: 2;
}
.step:nth-child(2) .step-num { background: rgba(217, 105, 74, .18); color: #9E4028; }
.step:nth-child(3) .step-num { background: rgba(122, 154, 110, .2); color: var(--sage-deep); }
.step:nth-child(4) .step-num { background: rgba(228, 183, 160, .4); color: #8C5334; }
.step h4 { margin-bottom: .35em; }
.step p { margin: 0; color: var(--muted); font-size: .94rem; }

/* 时间线 */
.timeline { position: relative; }
.timeline::before {
  content: "";
  position: absolute;
  left: 15px;
  top: 10px;
  bottom: 10px;
  width: 3px;
  border-radius: 3px;
  background: linear-gradient(180deg, var(--mustard), rgba(122, 154, 110, .35));
}
.timeline-item { position: relative; padding: 0 0 32px 56px; }
.timeline-item:last-child { padding-bottom: 0; }
.timeline-item::before {
  content: "";
  position: absolute;
  left: 4px;
  top: 8px;
  width: 25px;
  height: 25px;
  border-radius: 62% 38% 46% 54% / 55% 42% 58% 45%;
  background: var(--white);
  border: 3px solid var(--mustard);
  box-shadow: 0 0 0 5px rgba(232, 163, 61, .14);
}
.timeline-item:nth-child(even)::before { border-color: var(--sage); box-shadow: 0 0 0 5px rgba(122, 154, 110, .14); }
.timeline-year {
  font-family: var(--serif);
  font-size: .92rem;
  font-weight: 700;
  letter-spacing: .06em;
  color: var(--mustard-ink);
  margin-bottom: 2px;
}
.timeline-item h4 { margin-bottom: .3em; }
.timeline-item p { color: var(--muted); font-size: .95rem; margin: 0; }

/* 评价卡 */
.quote-card { padding-top: 40px; position: relative; }
.quote-card::before {
  content: "\201C";
  position: absolute;
  top: 4px;
  left: 26px;
  font-family: var(--serif);
  font-size: 4.4rem;
  line-height: 1;
  color: rgba(232, 163, 61, .5);
}
.quote-card blockquote { margin: 0 0 22px; font-size: 1rem; color: var(--text); }
.quote-author { display: flex; align-items: center; gap: 13px; }
.quote-author .who { color: var(--ink); font-weight: 700; font-size: .94rem; }
.quote-author .org { color: var(--muted); font-size: .84rem; }
.quote-author .av {
  width: 46px; height: 46px;
  flex: 0 0 auto;
  border-radius: 62% 38% 46% 54% / 55% 42% 58% 45%;
  background: rgba(232, 163, 61, .2);
  color: var(--mustard-ink);
  display: grid;
  place-items: center;
  font-family: var(--serif);
  font-weight: 700;
}
.quote-author .av.sage { background: rgba(122, 154, 110, .2); color: var(--sage-deep); }
.quote-author .av.terra { background: rgba(217, 105, 74, .18); color: #9E4028; }

/* 团队卡 */
.team-card { text-align: center; }
.avatar {
  width: 96px; height: 96px;
  margin: 0 auto 18px;
  border-radius: 62% 38% 46% 54% / 55% 42% 58% 45%;
  display: grid;
  place-items: center;
  font-family: var(--serif);
  font-size: 1.7rem;
  font-weight: 700;
  color: #fff;
  background: linear-gradient(140deg, var(--mustard), var(--terracotta));
  box-shadow: 0 14px 28px rgba(217, 105, 74, .24);
}
.avatar.sage { background: linear-gradient(140deg, var(--sage), #5C7A52); box-shadow: 0 14px 28px rgba(122, 154, 110, .26); }
.avatar.blush { background: linear-gradient(140deg, var(--blush), #C98B69); box-shadow: 0 14px 28px rgba(228, 183, 160, .34); }
.avatar.cocoa { background: linear-gradient(140deg, #7A6350, var(--cocoa)); box-shadow: 0 14px 28px rgba(92, 74, 58, .26); }
.team-card .role { color: var(--terracotta-deep); font-size: .85rem; font-weight: 700; margin-bottom: 10px; }

/* 办公地点 */
.office-list { display: grid; gap: 14px; }
.office {
  display: flex;
  align-items: center;
  gap: 16px;
  padding: 18px 22px;
  background: var(--white);
  border-radius: var(--r-card-sm);
  box-shadow: var(--shadow-s);
  transition: transform .26s var(--ease), box-shadow .26s var(--ease);
}
.office:hover { transform: translateX(5px); box-shadow: var(--shadow); }
.office .pin {
  width: 42px; height: 42px;
  flex: 0 0 auto;
  border-radius: 62% 38% 46% 54% / 55% 42% 58% 45%;
  background: rgba(122, 154, 110, .2);
  color: var(--sage-deep);
  display: grid;
  place-items: center;
}
.office .city { font-weight: 700; color: var(--ink); }
.office .addr { color: var(--muted); font-size: .9rem; }

/* 地图占位 */
.map-embed {
  border-radius: var(--r-card);
  background:
    linear-gradient(rgba(232, 163, 61, .1), rgba(122, 154, 110, .1)),
    repeating-linear-gradient(0deg, transparent 0 41px, rgba(92, 74, 58, .07) 41px 42px),
    repeating-linear-gradient(90deg, transparent 0 41px, rgba(92, 74, 58, .07) 41px 42px),
    var(--cream-2);
  min-height: 330px;
  display: grid;
  place-items: center;
  text-align: center;
  padding: 34px 26px;
  box-shadow: var(--shadow-s);
}
.map-embed .pin-lg {
  width: 62px; height: 62px;
  margin: 0 auto 18px;
  border-radius: 62% 38% 46% 54% / 55% 42% 58% 45%;
  background: linear-gradient(140deg, var(--terracotta), var(--terracotta-deep));
  color: #fff;
  display: grid;
  place-items: center;
  box-shadow: 0 14px 28px rgba(217, 105, 74, .3);
  animation: floaty 5.5s ease-in-out infinite;
}
.map-embed h4 { margin-bottom: .3em; }
.map-embed p { margin: 0; color: var(--muted); font-size: .92rem; }

/* CTA 条 */
.cta-band {
  position: relative;
  border-radius: var(--r-card);
  padding: 56px 52px;
  background: linear-gradient(135deg, var(--mustard) 0%, var(--terracotta) 78%);
  color: #fff;
  box-shadow: var(--shadow-l);
  overflow: hidden;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 34px;
  flex-wrap: wrap;
}
.cta-band::before,
.cta-band::after {
  content: "";
  position: absolute;
  border-radius: 62% 38% 46% 54% / 55% 42% 58% 45%;
  background: rgba(253, 248, 241, .16);
}
.cta-band::before { width: 280px; height: 270px; top: -140px; right: -50px; }
.cta-band::after { width: 190px; height: 185px; bottom: -110px; left: 14%; }
.cta-band > * { position: relative; z-index: 2; }
.cta-band h2 { color: #fff; margin-bottom: .3em; }
.cta-band p { color: rgba(255, 255, 255, .9); margin: 0; max-width: 38em; }
.cta-band .btn {
  background: var(--cream);
  color: var(--terracotta-deep);
  box-shadow: 0 14px 30px rgba(46, 42, 36, .2);
}
.cta-band .btn:hover { color: var(--terracotta-deep); }
.cta-band .btn-light { background: rgba(253, 248, 241, .18); color: #fff; border-color: rgba(253, 248, 241, .45); }

/* ---------- 07 产品 / 筛选 / 对照表 / FAQ ---------- */
.page-hero {
  position: relative;
  padding: calc(var(--header-h) + 68px) 0 74px;
  background: linear-gradient(180deg, var(--cream-2) 0%, var(--cream) 100%);
  overflow: hidden;
}
.page-hero .container { position: relative; z-index: 2; }
.page-hero h1 { max-width: 20em; }
.page-hero p { max-width: 44em; color: var(--muted); font-size: 1.05rem; margin-bottom: 0; }

.product-card { display: flex; flex-direction: column; }
.product-card .card-top { display: flex; justify-content: space-between; align-items: center; gap: 12px; }
.product-card .icon-blob { margin-bottom: 0; }
.product-card h3 { margin-top: 20px; }
.product-card ul { display: grid; gap: 11px; margin: 20px 0 0; }
.product-card ul li {
  position: relative;
  padding-left: 22px;
  font-size: .93rem;
  color: var(--muted);
}
.product-card ul li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 9px;
  width: 9px;
  height: 9px;
  border-radius: 62% 38% 46% 54% / 55% 42% 58% 45%;
  background: var(--mustard);
}
.product-card:nth-child(3n+2) ul li::before { background: var(--sage); }
.product-card:nth-child(3n+3) ul li::before { background: var(--terracotta); }

.filter-bar {
  display: flex;
  flex-wrap: wrap;
  gap: 11px;
  justify-content: center;
  margin-bottom: 44px;
}
.filter-bar button {
  border: 1px solid var(--line);
  background: var(--white);
  color: var(--text);
  padding: 10px 22px;
  border-radius: var(--r-pill);
  font-size: .92rem;
  font-weight: 600;
  cursor: pointer;
  transition: background-color .24s var(--ease), color .24s var(--ease), border-color .24s var(--ease), box-shadow .24s var(--ease);
}
.filter-bar button:hover { border-color: rgba(217, 105, 74, .45); color: var(--terracotta-deep); }
.filter-bar button.is-active {
  background: linear-gradient(135deg, var(--mustard) 0%, var(--terracotta) 100%);
  border-color: transparent;
  color: #fff;
  box-shadow: 0 12px 24px rgba(217, 105, 74, .24);
}

/* 规格表 */
.table-wrap {
  overflow-x: auto;
  border-radius: var(--r-card-sm);
  background: var(--white);
  box-shadow: var(--shadow-s);
  padding: 6px;
}
.spec-table { width: 100%; border-collapse: collapse; font-size: .93rem; min-width: 620px; }
.spec-table th, .spec-table td {
  text-align: left;
  padding: 16px 18px;
  border-bottom: 1px solid var(--line);
}
.spec-table thead th {
  background: var(--cream-2);
  color: var(--ink);
  font-family: var(--serif);
  font-size: .9rem;
  letter-spacing: .02em;
}
.spec-table thead th:first-child { border-radius: var(--r-input) 0 0 var(--r-input); }
.spec-table thead th:last-child { border-radius: 0 var(--r-input) var(--r-input) 0; }
.spec-table tbody tr:last-child td { border-bottom: 0; }
.spec-table tbody tr:hover { background: rgba(232, 163, 61, .07); }
.spec-table td:first-child { font-weight: 700; color: var(--ink); }

/* FAQ */
.faq { display: grid; gap: 14px; }
.faq-item {
  background: var(--white);
  border-radius: var(--r-card-sm);
  box-shadow: var(--shadow-s);
  overflow: hidden;
  transition: box-shadow .26s var(--ease);
}
.faq-item[open] { box-shadow: var(--shadow); }
.faq-item summary {
  cursor: pointer;
  padding: 21px 26px;
  font-family: var(--serif);
  font-size: 1.02rem;
  font-weight: 700;
  color: var(--ink);
  list-style: none;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
}
.faq-item summary::-webkit-details-marker { display: none; }
.faq-item summary::after {
  content: "+";
  flex: 0 0 auto;
  width: 30px;
  height: 30px;
  border-radius: var(--r-pill);
  background: rgba(232, 163, 61, .18);
  color: var(--mustard-ink);
  display: grid;
  place-items: center;
  font-family: var(--sans);
  font-size: 1.15rem;
  line-height: 1;
  transition: transform .3s var(--ease);
}
.faq-item[open] summary::after { transform: rotate(45deg); }
.faq-body { padding: 0 26px 24px; color: var(--muted); font-size: .96rem; }
.faq-body p:last-child { margin-bottom: 0; }

/* ---------- 08 关于与联系 ---------- */
.value-card { text-align: left; }

.contact-grid {
  display: grid;
  grid-template-columns: .92fr 1.08fr;
  gap: 50px;
  align-items: start;
}

.info-card {
  display: flex;
  gap: 16px;
  padding: 24px;
  background: var(--white);
  border-radius: var(--r-card-sm);
  box-shadow: var(--shadow-s);
  transition: transform .26s var(--ease), box-shadow .26s var(--ease);
}
.info-card:hover { transform: translateY(-4px); box-shadow: var(--shadow); }
.info-card .ic {
  width: 48px; height: 48px;
  flex: 0 0 auto;
  border-radius: 62% 38% 46% 54% / 55% 42% 58% 45%;
  display: grid;
  place-items: center;
  background: rgba(232, 163, 61, .18);
  color: var(--mustard-ink);
}
.info-card .ic.sage { background: rgba(122, 154, 110, .2); color: var(--sage-deep); }
.info-card .ic.terra { background: rgba(217, 105, 74, .18); color: #9E4028; }
.info-card .ic.blush { background: rgba(228, 183, 160, .38); color: #8C5334; }
.info-card h4 { margin-bottom: .25em; }
.info-card p { font-size: .93rem; color: var(--muted); margin: 0; }
.info-card p a { font-weight: 700; }

.form-card {
  background: var(--white);
  border-radius: var(--r-card);
  padding: 40px 38px;
  box-shadow: var(--shadow);
}
.form-grid { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); gap: 20px; }
.field { display: flex; gap: 8px; flex-direction: column; }
.field.full { grid-column: 1 / -1; }
.field label { font-size: .9rem; font-weight: 700; color: var(--ink); }
.field label .req { color: var(--terracotta); margin-left: 3px; }
.field input,
.field select,
.field textarea {
  width: 100%;
  padding: 14px 17px;
  border: 1.5px solid var(--line);
  border-radius: var(--r-input);
  background: var(--cream);
  font-size: .95rem;
  transition: border-color .2s, box-shadow .2s, background-color .2s;
}
.field textarea { resize: vertical; min-height: 132px; }
.field select {
  appearance: none;
  -webkit-appearance: none;
  cursor: pointer;
  padding-right: 46px;
  background-image: url("data:image/svg+xml;charset=utf-8,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%235C4A3A' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='m6 9.5 6 6 6-6'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 16px center;
  background-size: 18px 18px;
}
.field input:focus,
.field select:focus,
.field textarea:focus {
  outline: none;
  border-color: var(--mustard);
  background-color: var(--white);
  box-shadow: 0 0 0 4px rgba(232, 163, 61, .18);
}
.field .hint { font-size: .8rem; color: var(--muted); }
.field .err {
  display: none;
  font-size: .82rem;
  font-weight: 600;
  color: #B23A28;
}
.field.has-error input,
.field.has-error select,
.field.has-error textarea { border-color: #D9694A; background-color: #FFF6F3; }
.field.has-error .err { display: block; }

.checkbox-row {
  display: flex;
  gap: 11px;
  align-items: flex-start;
  font-size: .88rem;
  color: var(--muted);
}
.checkbox-row input { width: auto; flex: 0 0 auto; margin-top: 5px; accent-color: var(--terracotta); }
.checkbox-row label { font-weight: 400; }

.form-note { color: var(--muted); font-size: .84rem; margin: 16px 0 0; }

.form-success {
  display: none;
  align-items: center;
  gap: 14px;
  margin-top: 22px;
  padding: 17px 22px;
  border-radius: var(--r-card-sm);
  background: rgba(122, 154, 110, .14);
  border: 1.5px solid rgba(122, 154, 110, .42);
  color: #465C3E;
  font-size: .93rem;
  font-weight: 600;
}
.form-success.is-visible { display: flex; }
.form-success svg { width: 22px; height: 22px; flex: 0 0 auto; color: var(--sage-deep); }

/* ---------- 09 页脚与浮层 ---------- */
.site-footer {
  background: var(--cream-2);
  color: var(--muted);
  padding: 72px 0 0;
  font-size: .93rem;
}
.footer-top {
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr 1fr 1.2fr;
  gap: 38px;
  padding-bottom: 50px;
  border-bottom: 1px solid var(--line);
}
.footer-about { margin: 20px 0 22px; max-width: 32em; line-height: 1.85; }
.footer-social { display: flex; gap: 11px; }
.footer-social a {
  width: 44px; height: 44px;
  border-radius: 62% 38% 46% 54% / 55% 42% 58% 45%;
  background: var(--white);
  color: var(--cocoa);
  display: grid;
  place-items: center;
  box-shadow: var(--shadow-s);
  transition: transform .26s var(--ease), background-color .26s, color .26s;
}
.footer-social a:hover {
  background: linear-gradient(140deg, var(--mustard), var(--terracotta));
  color: #fff;
  transform: translateY(-3px);
}
.footer-social svg { width: 19px; height: 19px; }

.footer-col h5 {
  font-family: var(--serif);
  color: var(--ink);
  font-size: .98rem;
  margin-bottom: 18px;
}
.footer-col ul { display: grid; gap: 12px; }
.footer-col a { color: var(--muted); }
.footer-col a:hover { color: var(--terracotta-deep); }
.footer-contact { display: grid; gap: 13px; }
.footer-contact li { display: flex; gap: 11px; align-items: flex-start; }
.footer-contact svg { width: 17px; height: 17px; margin-top: 5px; flex: 0 0 auto; color: var(--terracotta); }
.footer-contact strong { color: var(--ink); font-weight: 700; }

.footer-bottom {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 26px 0 32px;
  font-size: .86rem;
}
.footer-links { display: flex; gap: 20px; flex-wrap: wrap; }

.to-top {
  position: fixed;
  right: 26px;
  bottom: 26px;
  width: 52px; height: 52px;
  border-radius: var(--r-pill);
  border: 1px solid var(--line);
  background: var(--white);
  color: var(--cocoa);
  display: grid;
  place-items: center;
  cursor: pointer;
  box-shadow: var(--shadow);
  opacity: 0;
  visibility: hidden;
  transform: translateY(12px);
  transition: opacity .3s var(--ease), visibility .3s, transform .3s var(--ease), background-color .3s, color .3s;
  z-index: 90;
}
.to-top.is-visible { opacity: 1; visibility: visible; transform: none; }
.to-top:hover {
  background: linear-gradient(140deg, var(--mustard), var(--terracotta));
  color: #fff;
  border-color: transparent;
}

/* ---------- 10 响应式 ---------- */
@media (max-width: 1080px) {
  /* 公司全称 10 个字：1080px 起统一降到 1rem（16px / 文字约 160px），
     保证 logo 单行且不与导航、电话、CTA 重叠 */
  .logo-text { font-size: 1rem; }
  .hero-inner { grid-template-columns: 1fr; gap: 54px; }
  .hero-visual { max-width: 560px; }
  .split { grid-template-columns: 1fr; gap: 40px; }
  .split.reverse .split-media { order: 0; }
  .contact-grid { grid-template-columns: 1fr; gap: 40px; }
  .footer-top { grid-template-columns: 1.4fr 1fr 1fr; }
  .grid-4 { grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); }
  .steps { grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); }
  .steps::before { display: none; }
}

@media (max-width: 900px) {
  .nav-toggle { display: grid; }
  /* 抽屉模式：导航移出文档流，空间充裕，但字号保持与上一档一致（1rem），
     避免窗口从宽拖窄时 logo 出现「先变小再变大」的反向跳变 */
  .logo-text { font-size: 1rem; }
  .nav {
    position: fixed;
    top: 0;
    right: 0;
    bottom: 0;
    width: min(322px, 86vw);
    flex-direction: column;
    align-items: stretch;
    gap: 7px;
    background: var(--cream);
    padding: 96px 24px 32px;
    box-shadow: -22px 0 54px rgba(92, 74, 58, .18);
    transform: translateX(103%);
    visibility: hidden;
    transition: transform .34s var(--ease), visibility .34s;
    overflow-y: auto;
    z-index: 115;
  }
  body.nav-open .nav { transform: translateX(0); visibility: visible; }
  .nav a { padding: 14px 18px; border-radius: var(--r-input); font-size: 1rem; }
  .nav a.is-active { background: rgba(232, 163, 61, .18); }
  .nav .nav-cta { display: block; margin-top: 14px; }
  .nav .nav-cta .btn { width: 100%; }
  .header-tel { display: none; }
  .header-actions .btn { display: none; }
}

@media (max-width: 768px) {
  :root { --header-h: 68px; }
  body { font-size: 15.5px; }
  .section { padding: 70px 0; }
  .section-sm { padding: 52px 0; }
  .section-head { margin-bottom: 40px; }
  .container { padding: 0 20px; }
  .grid-2, .grid-3, .grid-4 { grid-template-columns: 1fr; }
  .hero { padding-top: calc(var(--header-h) + 48px); padding-bottom: 66px; }
  .hero-meta { gap: 18px 28px; }
  .page-hero { padding: calc(var(--header-h) + 44px) 0 52px; }
  .cta-band { padding: 38px 26px; }
  .form-card { padding: 28px 22px; }
  .form-grid { grid-template-columns: 1fr; }
  .footer-top { grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 32px; }
  .steps { grid-template-columns: 1fr; }
  .timeline-item { padding-left: 48px; }
  .card { padding: 28px 24px; }
  .to-top { right: 18px; bottom: 18px; }
  .blob-1 { width: 240px; height: 225px; }
  .blob-2 { width: 180px; height: 172px; }
  .dot-grid { display: none; }
  .squiggle { display: none; }
  /* 移动端取消错落堆叠：改为纵向排列，主卡在前，两张小卡在下 */
  .stack { padding: 0; display: flex; flex-direction: column; }
  .stack-main { transform: none; order: 1; }
  .stack-mini { position: static; transform: none; animation: none; }
  .sm-1 { order: 2; margin-top: 18px; }
  .sm-2 { order: 3; margin-top: 12px; }
  .float-a, .float-b, .float-c { animation: none; }
}

@media (max-width: 420px) {
  .container { padding: 0 16px; }
  .logo-text { font-size: .92rem; }
  .footer-top { grid-template-columns: 1fr; }
  .btn-row { gap: 10px; }
  .btn { width: 100%; }
  .header-actions .btn { display: none; }
  .hero-meta .stat-num { font-size: 1.62rem; }
  .spec-table { min-width: 560px; }
  .form-card { padding: 24px 18px; }
}

/* ---------- 11 动效、打印与无障碍降级 ---------- */
/* 渐进增强：仅当 JS 可用（<html class="js">）时才隐藏待入场元素。
   JS 被禁用或脚本加载失败时，内容保持完整可见。 */
.js [data-reveal] {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity .68s var(--ease), transform .68s var(--ease);
}
.js [data-reveal].is-in { opacity: 1; transform: none; }
[data-reveal][data-delay="1"] { transition-delay: .08s; }
[data-reveal][data-delay="2"] { transition-delay: .16s; }
[data-reveal][data-delay="3"] { transition-delay: .24s; }
[data-reveal][data-delay="4"] { transition-delay: .32s; }
[data-reveal][data-delay="5"] { transition-delay: .4s; }

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

@media print {
  .site-header,
  .nav-backdrop,
  .to-top,
  .skip-link,
  .cta-band,
  .filter-bar,
  .footer-social { display: none !important; }
  body { background: #fff; color: #000; font-size: 12pt; }
  .section, .section-sm, .page-hero, .hero { padding: 10px 0; background: none !important; }
  .page-hero, .hero { color: #000; }
  .card, .figure-card, .form-card, .faq-item, .office, .table-wrap { box-shadow: none !important; border: 1px solid #ccc; background: #fff !important; color: #000; }
  .blob-field, .wave, .dot-grid, .squiggle { display: none !important; }
  .spec-table { min-width: 0; }
  a { color: #000; text-decoration: underline; }
}