/* ==========================================================================
   盛世财务 · 全站样式表
   --------------------------------------------------------------------------
   文件说明：
     这个文件控制整站所有页面的外观。全部为原生 CSS，不依赖任何第三方框架。
     改颜色：只改下面的「1. 设计变量」，全站配色自动跟着变。
     改字体大小、间距、圆角：同样在「1. 设计变量」里改。
   目录：
     1. 设计变量（配色 / 字体 / 尺寸）
     2. 基础重置与排版
     3. 通用布局与工具类
     4. 按钮
     5. 顶部导航栏
     6. 首屏 Hero
     7. 数据条
     8. 区块标题
     9. 服务卡片
     10. 优势 / 图文分栏
     11. 服务流程时间线
     12. 案例与评价
     13. 常见问题手风琴
     14. CTA 行动区
     15. 页脚
     16. 页面横幅（内页）
     17. 联系表单与联系信息
     18. 浮动咨询按钮
     19. 滚动进场动画
     20. 响应式适配
   ========================================================================== */

/* ==========================================================================
   1. 设计变量 —— 改这里就能换全站配色
   ========================================================================== */
:root {
  /* 主色：深蓝（稳重、正规、金融机构常用） */
  --navy-950: #06152B;
  --navy-900: #0A1F3D;
  --navy-800: #0E2A52;
  --navy-700: #123A6B;
  --navy-600: #1A4E8C;
  --navy-500: #2A6BB5;
  --navy-100: #E8EFF8;
  --navy-050: #F4F8FD;

  /* 辅色：金（点缀、强调、按钮） */
  --gold-600: #A9861A;
  --gold-500: #C9A227;
  --gold-400: #D9B44A;
  --gold-300: #E5C976;
  --gold-100: #F7EDCE;
  --gold-050: #FCF8EC;

  /* 中性色 */
  --ink-900: #141B2B;
  --ink-700: #2C374B;
  --ink-500: #5B6779;
  --ink-400: #7C8798;
  --ink-300: #A9B2C0;
  --line: #E4E8EF;
  --line-soft: #EFF2F7;
  --bg: #FFFFFF;
  --bg-soft: #F6F8FB;
  --bg-dark: var(--navy-900);

  /* 功能色 */
  --success: #1E8E5A;
  --warn: #C9691A;

  /* 字体：仅使用系统自带字体，不加载任何外部字体文件（保证独立、打开即用） */
  --font-sans: "PingFang SC", "Microsoft YaHei", "Hiragino Sans GB",
    "Helvetica Neue", Helvetica, Arial, "Noto Sans CJK SC", sans-serif;
  --font-number: "DIN Alternate", "Helvetica Neue", Arial, sans-serif;

  /* 尺寸 */
  --container: 1200px;
  --radius-sm: 6px;
  --radius: 12px;
  --radius-lg: 18px;
  --radius-pill: 999px;

  --shadow-sm: 0 1px 2px rgba(10, 31, 61, .06), 0 2px 8px rgba(10, 31, 61, .04);
  --shadow: 0 4px 12px rgba(10, 31, 61, .07), 0 12px 32px rgba(10, 31, 61, .06);
  --shadow-lg: 0 12px 28px rgba(10, 31, 61, .10), 0 28px 64px rgba(10, 31, 61, .10);

  --ease: cubic-bezier(.22, .61, .36, 1);
}

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

html {
  -webkit-text-size-adjust: 100%;
  scroll-behavior: smooth;
  scroll-padding-top: 96px; /* 锚点跳转时避开吸顶导航 */
}

body {
  margin: 0;
  font-family: var(--font-sans);
  font-size: 16px;
  line-height: 1.75;
  color: var(--ink-700);
  background: var(--bg);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
}

body.nav-open { overflow: hidden; }

h1, h2, h3, h4, h5 {
  margin: 0;
  color: var(--ink-900);
  line-height: 1.28;
  font-weight: 600;
  letter-spacing: -.01em;
}

h1 { font-size: 46px; font-weight: 700; letter-spacing: -.02em; }
h2 { font-size: 34px; }
h3 { font-size: 20px; }
h4 { font-size: 17px; }

p { margin: 0 0 1em; }
p:last-child { margin-bottom: 0; }

a { color: var(--navy-600); text-decoration: none; transition: color .2s var(--ease); }
a:hover { color: var(--gold-600); }

img, svg { max-width: 100%; vertical-align: middle; }
ul, ol { margin: 0; padding: 0; list-style: none; }

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

::selection { background: var(--gold-300); color: var(--navy-950); }

/* 键盘可访问性：可见焦点环 */
:focus-visible {
  outline: 3px solid var(--gold-400);
  outline-offset: 2px;
  border-radius: 4px;
}

/* 跳转到主内容（屏幕阅读器/键盘用户） */
.skip-link {
  position: absolute;
  left: 16px;
  top: -80px;
  z-index: 999;
  padding: 10px 18px;
  background: var(--navy-900);
  color: #fff;
  border-radius: var(--radius-sm);
  transition: top .2s var(--ease);
}
.skip-link:focus { top: 16px; color: #fff; }

/* ==========================================================================
   3. 通用布局与工具类
   ========================================================================== */
.container {
  width: 100%;
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 24px;
}

.section { padding: 92px 0; }
.section--tight { padding: 64px 0; }
.section--soft { background: var(--bg-soft); }
.section--navy {
  background: var(--navy-900);
  color: rgba(255, 255, 255, .78);
}
.section--navy h2, .section--navy h3 { color: #fff; }

.grid { display: grid; gap: 24px; }
.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-center { text-align: center; }
.mt-0 { margin-top: 0; }
.mt-8 { margin-top: 8px; }
.mt-16 { margin-top: 16px; }
.mt-24 { margin-top: 24px; }
.mt-32 { margin-top: 32px; }
.mt-40 { margin-top: 40px; }
.mt-48 { margin-top: 48px; }

.lead {
  font-size: 17px;
  line-height: 1.85;
  color: var(--ink-500);
}
.section--navy .lead { color: rgba(255, 255, 255, .72); }

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 13px;
  font-weight: 600;
  letter-spacing: .12em;
  text-transform: uppercase;
  color: var(--gold-600);
}
.eyebrow::before {
  content: "";
  width: 22px;
  height: 2px;
  background: var(--gold-500);
  border-radius: 2px;
}
.section--navy .eyebrow { color: var(--gold-400); }

/* ==========================================================================
   4. 按钮
   ========================================================================== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 14px 30px;
  font-size: 15px;
  font-weight: 600;
  line-height: 1;
  border: 1.5px solid transparent;
  border-radius: var(--radius-pill);
  cursor: pointer;
  white-space: nowrap;
  transition: transform .22s var(--ease), box-shadow .22s var(--ease),
    background .22s var(--ease), color .22s var(--ease), border-color .22s var(--ease);
}
.btn:hover { transform: translateY(-2px); }
.btn:active { transform: translateY(0); }

.btn--gold {
  background: linear-gradient(135deg, var(--gold-400), var(--gold-500));
  color: var(--navy-950);
  box-shadow: 0 6px 18px rgba(201, 162, 39, .32);
}
.btn--gold:hover {
  color: var(--navy-950);
  box-shadow: 0 10px 26px rgba(201, 162, 39, .42);
}

.btn--navy {
  background: var(--navy-800);
  color: #fff;
  box-shadow: 0 6px 18px rgba(14, 42, 82, .24);
}
.btn--navy:hover { background: var(--navy-700); color: #fff; }

.btn--ghost {
  border-color: rgba(255, 255, 255, .4);
  color: #fff;
  background: rgba(255, 255, 255, .04);
}
.btn--ghost:hover {
  background: rgba(255, 255, 255, .12);
  border-color: rgba(255, 255, 255, .7);
  color: #fff;
}

.btn--outline {
  border-color: var(--line);
  background: #fff;
  color: var(--navy-800);
}
.btn--outline:hover {
  border-color: var(--navy-600);
  color: var(--navy-700);
}

.btn--sm { padding: 11px 22px; font-size: 14px; }
.btn--lg { padding: 17px 38px; font-size: 16px; }
.btn--block { width: 100%; }

/* 文字箭头链接 */
.link-arrow {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 14px;
  font-weight: 600;
  color: var(--navy-600);
}
.link-arrow svg { transition: transform .22s var(--ease); }
.link-arrow:hover { color: var(--gold-600); }
.link-arrow:hover svg { transform: translateX(4px); }

/* ==========================================================================
   5. 顶部导航栏
   ========================================================================== */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(255, 255, 255, .92);
  backdrop-filter: saturate(180%) blur(12px);
  -webkit-backdrop-filter: saturate(180%) blur(12px);
  border-bottom: 1px solid transparent;
  transition: border-color .3s var(--ease), box-shadow .3s var(--ease);
}
.site-header.is-stuck {
  border-bottom-color: var(--line);
  box-shadow: 0 4px 20px rgba(10, 31, 61, .06);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  height: 80px;
}

/* 品牌标识 */
.brand { display: inline-flex; align-items: center; gap: 12px; }
.brand__mark { width: 40px; height: 40px; flex: none; }
.brand__text { display: flex; flex-direction: column; line-height: 1.1; }
.brand__name {
  font-size: 19px;
  font-weight: 700;
  letter-spacing: .02em;
  color: var(--navy-900);
}
.brand__slogan {
  font-size: 11px;
  letter-spacing: .22em;
  color: var(--ink-400);
  text-transform: uppercase;
}
.brand:hover .brand__name { color: var(--navy-700); }

/* 主导航 */
.nav { display: flex; align-items: center; gap: 4px; }
.nav__item { position: relative; }
.nav__link {
  display: block;
  padding: 10px 16px;
  font-size: 15px;
  font-weight: 500;
  color: var(--ink-700);
  border-radius: var(--radius-sm);
  transition: color .2s var(--ease), background .2s var(--ease);
}
.nav__link:hover { color: var(--navy-700); background: var(--navy-050); }
.nav__link.is-active { color: var(--navy-700); font-weight: 600; }
.nav__link.is-active::after {
  content: "";
  position: absolute;
  left: 16px;
  right: 16px;
  bottom: 2px;
  height: 2px;
  border-radius: 2px;
  background: var(--gold-500);
}

.header-actions { display: flex; align-items: center; gap: 14px; }
.header-phone {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 14px;
  font-weight: 600;
  color: var(--navy-800);
}
.header-phone svg { color: var(--gold-500); }
.header-phone:hover { color: var(--gold-600); }

/* 移动端汉堡按钮 */
.nav-toggle {
  display: none;
  width: 44px;
  height: 44px;
  padding: 0;
  background: transparent;
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
  cursor: pointer;
}
.nav-toggle span {
  display: block;
  width: 20px;
  height: 2px;
  margin: 4px auto;
  background: var(--navy-800);
  border-radius: 2px;
  transition: transform .3s var(--ease), opacity .2s var(--ease);
}
.nav-toggle.is-open span:nth-child(1) { transform: translateY(6px) rotate(45deg); }
.nav-toggle.is-open span:nth-child(2) { opacity: 0; }
.nav-toggle.is-open span:nth-child(3) { transform: translateY(-6px) rotate(-45deg); }

/* ==========================================================================
   6. 首屏 Hero
   ========================================================================== */
.hero {
  position: relative;
  overflow: hidden;
  background:
    radial-gradient(900px 520px at 88% -10%, rgba(42, 107, 181, .38), transparent 62%),
    radial-gradient(700px 420px at 8% 108%, rgba(201, 162, 39, .16), transparent 60%),
    linear-gradient(160deg, var(--navy-950) 0%, var(--navy-900) 45%, var(--navy-800) 100%);
  color: rgba(255, 255, 255, .8);
}
/* 细网格纹理，纯 CSS 绘制 */
.hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(255, 255, 255, .045) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, .045) 1px, transparent 1px);
  background-size: 64px 64px;
  mask-image: radial-gradient(120% 90% at 50% 0%, #000 30%, transparent 82%);
  -webkit-mask-image: radial-gradient(120% 90% at 50% 0%, #000 30%, transparent 82%);
  pointer-events: none;
}
.hero__inner {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: 1.05fr .95fr;
  gap: 64px;
  align-items: center;
  padding: 104px 0 112px;
}
.hero__badge {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 7px 16px 7px 12px;
  font-size: 13px;
  font-weight: 500;
  color: var(--gold-200, #F0DFA8);
  background: rgba(201, 162, 39, .12);
  border: 1px solid rgba(201, 162, 39, .32);
  border-radius: var(--radius-pill);
}
.hero__badge .dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--gold-400);
  box-shadow: 0 0 0 4px rgba(217, 180, 74, .22);
}
.hero h1 {
  margin-top: 26px;
  font-size: 52px;
  color: #fff;
  letter-spacing: -.022em;
}
.hero h1 .hl {
  position: relative;
  color: var(--gold-400);
  white-space: nowrap;
}
.hero h1 .hl::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: 4px;
  height: 8px;
  background: rgba(201, 162, 39, .2);
  border-radius: 4px;
  z-index: -1;
}
.hero__desc {
  max-width: 540px;
  margin-top: 22px;
  font-size: 17px;
  line-height: 1.85;
  color: rgba(255, 255, 255, .74);
}
.hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-top: 38px;
}
.hero__points {
  display: flex;
  flex-wrap: wrap;
  gap: 10px 28px;
  margin-top: 34px;
  padding-top: 30px;
  border-top: 1px solid rgba(255, 255, 255, .1);
}
.hero__points li {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 14px;
  color: rgba(255, 255, 255, .72);
}
.hero__points svg { color: var(--gold-400); flex: none; }

/* 首屏右侧：数据面板插画（纯 SVG + CSS，无图片依赖） */
.hero-visual { position: relative; }
.hero-card {
  position: relative;
  padding: 26px;
  background: rgba(255, 255, 255, .07);
  border: 1px solid rgba(255, 255, 255, .14);
  border-radius: var(--radius-lg);
  box-shadow: 0 30px 70px rgba(0, 0, 0, .3);
  backdrop-filter: blur(6px);
  -webkit-backdrop-filter: blur(6px);
}
.hero-card__head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-bottom: 18px;
  border-bottom: 1px solid rgba(255, 255, 255, .12);
}
.hero-card__title { font-size: 14px; font-weight: 600; color: #fff; }
.hero-card__title small {
  display: block;
  margin-top: 4px;
  font-size: 12px;
  font-weight: 400;
  color: rgba(255, 255, 255, .5);
}
.pill-ok {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 5px 12px;
  font-size: 12px;
  font-weight: 600;
  color: #7DE0AE;
  background: rgba(30, 142, 90, .18);
  border: 1px solid rgba(30, 142, 90, .35);
  border-radius: var(--radius-pill);
}
.hero-card__rows { margin-top: 18px; display: grid; gap: 12px; }
.hero-row {
  display: grid;
  grid-template-columns: 1fr auto;
  align-items: center;
  gap: 16px;
  padding: 12px 14px;
  background: rgba(255, 255, 255, .05);
  border-radius: var(--radius-sm);
}
.hero-row__label {
  display: flex;
  flex-direction: column;
  gap: 8px;
  font-size: 13px;
  color: rgba(255, 255, 255, .78);
}
.hero-row__bar {
  height: 5px;
  border-radius: 3px;
  background: rgba(255, 255, 255, .12);
  overflow: hidden;
}
.hero-row__bar i {
  display: block;
  height: 100%;
  border-radius: 3px;
  background: linear-gradient(90deg, var(--gold-500), var(--gold-300));
}
.hero-row__value {
  font-family: var(--font-number);
  font-size: 17px;
  font-weight: 700;
  color: #fff;
  letter-spacing: .01em;
}

/* 浮动的小徽标卡片 */
.hero-float {
  position: absolute;
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 14px 18px;
  background: #fff;
  border-radius: var(--radius);
  box-shadow: 0 18px 44px rgba(0, 0, 0, .28);
  animation: floaty 6s ease-in-out infinite;
}
.hero-float--a { left: -34px; bottom: 46px; }
.hero-float--b { right: -18px; top: 44px; animation-delay: -3s; }
.hero-float__icon {
  display: grid;
  place-items: center;
  width: 38px;
  height: 38px;
  border-radius: 10px;
  background: var(--gold-050);
  color: var(--gold-600);
  flex: none;
}
.hero-float__num {
  font-family: var(--font-number);
  font-size: 18px;
  font-weight: 700;
  color: var(--navy-900);
  line-height: 1.2;
}
.hero-float__txt { font-size: 12px; color: var(--ink-400); line-height: 1.4; }

@keyframes floaty {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-10px); }
}

/* ==========================================================================
   7. 数据条
   ========================================================================== */
.stats {
  background: var(--bg-soft);
  border-bottom: 1px solid var(--line-soft);
}
.stats__grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 20px;
  padding: 46px 0;
}
.stat { text-align: center; position: relative; }
.stat + .stat::before {
  content: "";
  position: absolute;
  left: 0;
  top: 12%;
  height: 76%;
  width: 1px;
  background: var(--line);
}
.stat__num {
  font-family: var(--font-number);
  font-size: 42px;
  font-weight: 700;
  line-height: 1.1;
  color: var(--navy-800);
  letter-spacing: -.02em;
}
.stat__num .unit { font-size: 20px; color: var(--gold-500); margin-left: 2px; }
.stat__label { margin-top: 6px; font-size: 14px; color: var(--ink-500); }

/* --------------------------------------------------------------------------
   7.1 资质信任条（首页统计栏下方，展示已公示的官方资质）
   改文字直接改 index.html 里的 .trustbar 区块即可
   -------------------------------------------------------------------------- */
.trustbar { padding: 0 0 8px; }
.trustbar__inner {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: center;
  gap: 14px 28px;
  padding: 20px 28px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--bg);
}
.trustbar__item {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-size: 14.5px;
  color: var(--ink-700);
}
.trustbar__item svg { flex: none; color: var(--gold-600); }
.trustbar__item b { color: var(--ink-900); font-weight: 700; }
.trustbar__more {
  font-size: 14px;
  color: var(--navy-700);
  text-decoration: underline;
  text-underline-offset: 3px;
}
@media (max-width: 640px) {
  .trustbar__inner { justify-content: flex-start; padding: 18px 20px; gap: 12px 18px; }
}

/* ==========================================================================
   8. 区块标题
   ========================================================================== */
.section-head { max-width: 720px; }
.section-head--center { margin: 0 auto; text-align: center; }
.section-head h2 { margin-top: 16px; }
.section-head .lead { margin-top: 18px; }

/* ==========================================================================
   9. 服务卡片
   ========================================================================== */
.card {
  position: relative;
  padding: 32px 28px;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  transition: transform .3s var(--ease), box-shadow .3s var(--ease),
    border-color .3s var(--ease);
}
.card::after {
  content: "";
  position: absolute;
  left: 0;
  top: 0;
  height: 3px;
  width: 0;
  border-radius: var(--radius-lg) var(--radius-lg) 0 0;
  background: linear-gradient(90deg, var(--gold-500), var(--navy-500));
  transition: width .35s var(--ease);
}
.card:hover {
  transform: translateY(-6px);
  border-color: transparent;
  box-shadow: var(--shadow-lg);
}
.card:hover::after { width: 100%; }

.card__icon {
  display: grid;
  place-items: center;
  width: 54px;
  height: 54px;
  margin-bottom: 20px;
  border-radius: 14px;
  color: var(--navy-700);
  background: linear-gradient(140deg, var(--navy-050), var(--navy-100));
  transition: background .3s var(--ease), color .3s var(--ease);
}
.card:hover .card__icon {
  color: var(--navy-950);
  background: linear-gradient(140deg, var(--gold-300), var(--gold-400));
}
.card h3 { font-size: 19px; }
.card p {
  margin-top: 12px;
  font-size: 15px;
  line-height: 1.8;
  color: var(--ink-500);
}
.card__list {
  margin-top: 18px;
  display: grid;
  gap: 8px;
}
.card__list li {
  position: relative;
  padding-left: 20px;
  font-size: 14px;
  color: var(--ink-500);
}
.card__list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 10px;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--gold-400);
}
.card__more { margin-top: 22px; }

/* ==========================================================================
   10. 优势 / 图文分栏
   ========================================================================== */
.split {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 72px;
  align-items: center;
}
.feature-list { display: grid; gap: 26px; margin-top: 36px; }
.feature {
  display: grid;
  grid-template-columns: 48px 1fr;
  gap: 18px;
}
.feature__idx {
  display: grid;
  place-items: center;
  width: 48px;
  height: 48px;
  font-family: var(--font-number);
  font-size: 16px;
  font-weight: 700;
  color: var(--gold-600);
  background: var(--gold-050);
  border: 1px solid var(--gold-100);
  border-radius: 12px;
}
.feature h3 { font-size: 17px; }
.feature p {
  margin-top: 8px;
  font-size: 14.5px;
  line-height: 1.8;
  color: var(--ink-500);
}
.section--navy .feature p { color: rgba(255, 255, 255, .68); }
.section--navy .feature__idx {
  color: var(--gold-400);
  background: rgba(201, 162, 39, .12);
  border-color: rgba(201, 162, 39, .3);
}

/* 分栏里的可视化卡片 */
.visual-card {
  position: relative;
  padding: 30px;
  background: linear-gradient(150deg, var(--navy-900), var(--navy-700));
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
  overflow: hidden;
}
.visual-card::before {
  content: "";
  position: absolute;
  right: -60px;
  top: -60px;
  width: 220px;
  height: 220px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(201, 162, 39, .3), transparent 68%);
}
.visual-card__inner { position: relative; z-index: 1; }
.visual-card h3 { color: #fff; font-size: 18px; }
.visual-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 14px 0;
  border-bottom: 1px dashed rgba(255, 255, 255, .14);
  font-size: 14px;
}
.visual-row:last-child { border-bottom: 0; }
.visual-row span { color: rgba(255, 255, 255, .68); }
.visual-row b {
  font-family: var(--font-number);
  color: var(--gold-400);
  font-size: 16px;
}

/* ==========================================================================
   11. 服务流程时间线
   ========================================================================== */
.timeline {
  display: grid;
  grid-template-columns: repeat(5, minmax(0, 1fr));
  gap: 20px;
  margin-top: 56px;
  position: relative;
}
.timeline::before {
  content: "";
  position: absolute;
  left: 6%;
  right: 6%;
  top: 27px;
  height: 2px;
  background: linear-gradient(90deg, var(--gold-400), var(--navy-100), var(--gold-400));
}
.step { position: relative; text-align: center; }
.step__dot {
  position: relative;
  z-index: 1;
  display: grid;
  place-items: center;
  width: 56px;
  height: 56px;
  margin: 0 auto;
  font-family: var(--font-number);
  font-weight: 700;
  font-size: 17px;
  color: var(--navy-800);
  background: #fff;
  border: 2px solid var(--gold-400);
  border-radius: 50%;
  box-shadow: 0 8px 20px rgba(10, 31, 61, .1);
  transition: transform .3s var(--ease), background .3s var(--ease);
}
.step:hover .step__dot {
  transform: scale(1.08);
  background: var(--gold-400);
}
.step h3 { margin-top: 20px; font-size: 16px; }
.step p {
  margin-top: 10px;
  font-size: 13.5px;
  line-height: 1.75;
  color: var(--ink-500);
}

/* ==========================================================================
   12. 案例与评价
   ========================================================================== */
.case-card {
  display: flex;
  flex-direction: column;
  padding: 0;
  overflow: hidden;
}
.case-card__top {
  padding: 24px 28px;
  background: linear-gradient(140deg, var(--navy-900), var(--navy-700));
  color: #fff;
}
.case-tag {
  display: inline-block;
  padding: 4px 12px;
  font-size: 12px;
  font-weight: 600;
  letter-spacing: .04em;
  color: var(--navy-950);
  background: var(--gold-400);
  border-radius: var(--radius-pill);
}
.case-card__top h3 {
  margin-top: 16px;
  font-size: 18px;
  color: #fff;
}
.case-card__body { padding: 24px 28px 28px; flex: 1; }
.case-card__body p { font-size: 14.5px; color: var(--ink-500); }
.case-metrics {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 14px;
  margin-top: 22px;
  padding-top: 20px;
  border-top: 1px solid var(--line-soft);
}
.case-metrics b {
  display: block;
  font-family: var(--font-number);
  font-size: 22px;
  color: var(--navy-800);
  line-height: 1.2;
}
.case-metrics span { font-size: 12.5px; color: var(--ink-400); }

.quote {
  display: flex;
  flex-direction: column;
  padding: 34px 30px;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  height: 100%;
}
.quote__mark {
  font-family: Georgia, serif;
  font-size: 52px;
  line-height: .8;
  color: var(--gold-300);
}
.quote p {
  margin-top: 14px;
  font-size: 15px;
  line-height: 1.9;
  color: var(--ink-700);
  flex: 1;
}
.quote__who {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-top: 24px;
  padding-top: 20px;
  border-top: 1px solid var(--line-soft);
}
.quote__avatar {
  display: grid;
  place-items: center;
  width: 42px;
  height: 42px;
  font-size: 15px;
  font-weight: 700;
  color: var(--navy-800);
  background: var(--navy-100);
  border-radius: 50%;
  flex: none;
}
.quote__name { font-size: 14px; font-weight: 600; color: var(--ink-900); }
.quote__title { font-size: 12.5px; color: var(--ink-400); }

/* ==========================================================================
   13. 常见问题手风琴
   ========================================================================== */
.faq { max-width: 860px; margin: 48px auto 0; }
.faq__item {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: #fff;
  margin-bottom: 12px;
  overflow: hidden;
  transition: border-color .25s var(--ease), box-shadow .25s var(--ease);
}
.faq__item.is-open {
  border-color: var(--gold-300);
  box-shadow: var(--shadow-sm);
}
.faq__q {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  width: 100%;
  padding: 22px 26px;
  font-size: 16px;
  font-weight: 600;
  color: var(--ink-900);
  text-align: left;
  background: transparent;
  border: 0;
  cursor: pointer;
}
.faq__q:hover { color: var(--navy-700); }
.faq__icon {
  position: relative;
  width: 18px;
  height: 18px;
  flex: none;
}
.faq__icon::before,
.faq__icon::after {
  content: "";
  position: absolute;
  left: 50%;
  top: 50%;
  width: 14px;
  height: 2px;
  border-radius: 2px;
  background: var(--gold-600);
  transform: translate(-50%, -50%);
  transition: transform .3s var(--ease), opacity .3s var(--ease);
}
.faq__icon::after { transform: translate(-50%, -50%) rotate(90deg); }
.faq__item.is-open .faq__icon::after { transform: translate(-50%, -50%) rotate(0); opacity: 0; }
.faq__a {
  max-height: 0;
  overflow: hidden;
  transition: max-height .35s var(--ease);
}
.faq__a > div {
  padding: 0 26px 24px;
  font-size: 15px;
  line-height: 1.85;
  color: var(--ink-500);
}

/* ==========================================================================
   14. CTA 行动区
   ========================================================================== */
.cta {
  position: relative;
  overflow: hidden;
  padding: 72px 0;
  background:
    radial-gradient(700px 340px at 82% 50%, rgba(201, 162, 39, .2), transparent 62%),
    linear-gradient(120deg, var(--navy-900), var(--navy-700));
  color: #fff;
}
.cta::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image: linear-gradient(90deg, rgba(255, 255, 255, .05) 1px, transparent 1px);
  background-size: 56px 100%;
  opacity: .6;
  pointer-events: none;
}
.cta__inner {
  position: relative;
  z-index: 1;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 48px;
}
.cta h2 { color: #fff; font-size: 30px; }
.cta p { margin-top: 14px; font-size: 15.5px; color: rgba(255, 255, 255, .72); }
.cta__actions { display: flex; flex-wrap: wrap; gap: 14px; flex: none; }

/* ==========================================================================
   15. 页脚
   ========================================================================== */
.site-footer { background: var(--navy-950); color: rgba(255, 255, 255, .6); }
.footer-main {
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr 1.2fr;
  gap: 48px;
  padding: 72px 0 56px;
}
.footer-brand .brand__name { color: #fff; }
.footer-brand .brand__slogan { color: rgba(255, 255, 255, .38); }
.footer-about {
  margin-top: 22px;
  font-size: 14px;
  line-height: 1.9;
  color: rgba(255, 255, 255, .58);
}
.footer-contact { margin-top: 24px; display: grid; gap: 12px; }
.footer-contact li {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  font-size: 14px;
  line-height: 1.7;
}
.footer-contact svg { color: var(--gold-400); flex: none; margin-top: 4px; }
.footer-contact a { color: rgba(255, 255, 255, .7); }
.footer-contact a:hover { color: var(--gold-400); }

.footer-col h4 {
  font-size: 15px;
  color: #fff;
  margin-bottom: 22px;
  letter-spacing: .02em;
}
.footer-col ul { display: grid; gap: 12px; }
.footer-col a {
  font-size: 14px;
  color: rgba(255, 255, 255, .58);
}
.footer-col a:hover { color: var(--gold-400); }

/* 二维码占位（拿到真实二维码图片后，把 img 的 src 换掉即可） */
.qr-box {
  display: inline-grid;
  place-items: center;
  width: 116px;
  height: 116px;
  background: rgba(255, 255, 255, .06);
  border: 1px dashed rgba(255, 255, 255, .24);
  border-radius: var(--radius);
  font-size: 12px;
  text-align: center;
  color: rgba(255, 255, 255, .45);
  line-height: 1.5;
  overflow: hidden;
}
.qr-box img { width: 100%; height: 100%; object-fit: cover; }
.qr-caption { margin-top: 12px; font-size: 12.5px; color: rgba(255, 255, 255, .45); }

.footer-bottom {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 24px 0;
  border-top: 1px solid rgba(255, 255, 255, .1);
  font-size: 13px;
  color: rgba(255, 255, 255, .42);
}
.footer-bottom a { color: rgba(255, 255, 255, .55); }
.footer-bottom a:hover { color: var(--gold-400); }

/* ==========================================================================
   16. 页面横幅（内页首屏）
   ========================================================================== */
.page-hero {
  position: relative;
  overflow: hidden;
  padding: 76px 0 68px;
  background:
    radial-gradient(640px 320px at 84% 0%, rgba(42, 107, 181, .34), transparent 60%),
    linear-gradient(150deg, var(--navy-950), var(--navy-800));
  color: rgba(255, 255, 255, .72);
}
.page-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(255, 255, 255, .04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, .04) 1px, transparent 1px);
  background-size: 56px 56px;
  mask-image: radial-gradient(110% 80% at 50% 0%, #000 34%, transparent 84%);
  -webkit-mask-image: radial-gradient(110% 80% at 50% 0%, #000 34%, transparent 84%);
  pointer-events: none;
}
.page-hero__inner { position: relative; z-index: 1; max-width: 780px; }
.page-hero h1 { color: #fff; font-size: 42px; margin-top: 16px; }
.page-hero p { margin-top: 18px; font-size: 16.5px; line-height: 1.85; }

/* 面包屑 */
.breadcrumb {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 13px;
  color: rgba(255, 255, 255, .5);
}
.breadcrumb a { color: rgba(255, 255, 255, .72); }
.breadcrumb a:hover { color: var(--gold-400); }
.breadcrumb span.sep { color: rgba(255, 255, 255, .3); }

/* ==========================================================================
   17. 联系表单与联系信息
   ========================================================================== */
.contact-layout {
  display: grid;
  grid-template-columns: 1.15fr .85fr;
  gap: 56px;
  align-items: start;
}
.form-card {
  padding: 40px;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow);
}
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; }
.field { margin-bottom: 20px; }
.field label {
  display: block;
  margin-bottom: 8px;
  font-size: 14px;
  font-weight: 600;
  color: var(--ink-900);
}
.field label .req { color: #C0392B; margin-left: 2px; }
.field input,
.field select,
.field textarea {
  width: 100%;
  padding: 13px 16px;
  background: var(--bg-soft);
  border: 1.5px solid var(--line);
  border-radius: var(--radius-sm);
  font-size: 15px;
  transition: border-color .2s var(--ease), background .2s var(--ease),
    box-shadow .2s var(--ease);
}
.field textarea { min-height: 132px; resize: vertical; line-height: 1.7; }
.field input:focus,
.field select:focus,
.field textarea:focus {
  outline: none;
  background: #fff;
  border-color: var(--navy-500);
  box-shadow: 0 0 0 4px rgba(42, 107, 181, .12);
}
.field input::placeholder,
.field textarea::placeholder { color: var(--ink-300); }
.field .err {
  display: none;
  margin-top: 6px;
  font-size: 12.5px;
  color: #C0392B;
}
.field.has-error input,
.field.has-error textarea,
.field.has-error select { border-color: #C0392B; background: #FDF5F4; }
.field.has-error .err { display: block; }

.consent {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  margin: 4px 0 24px;
  font-size: 13px;
  line-height: 1.7;
  color: var(--ink-400);
}
.consent input { width: 16px; height: 16px; margin-top: 3px; flex: none; accent-color: var(--navy-600); }

.form-note {
  margin-top: 16px;
  font-size: 12.5px;
  color: var(--ink-400);
  text-align: center;
}
.form-alert {
  display: none;
  align-items: flex-start;
  gap: 10px;
  margin-bottom: 24px;
  padding: 16px 18px;
  font-size: 14px;
  line-height: 1.7;
  border-radius: var(--radius-sm);
}
.form-alert.is-ok {
  display: flex;
  color: #146B45;
  background: #EAF7F1;
  border: 1px solid #BFE6D4;
}
.form-alert.is-err {
  display: flex;
  color: #9E2F22;
  background: #FDF2F0;
  border: 1px solid #F3CFC9;
}
.form-alert svg { flex: none; margin-top: 2px; }

/* 右侧联系信息 */
.info-card {
  padding: 30px;
  background: var(--bg-soft);
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
}
.info-card + .info-card { margin-top: 20px; }
.info-card h3 { font-size: 17px; }
.info-list { margin-top: 22px; display: grid; gap: 20px; }
.info-list li { display: grid; grid-template-columns: 40px 1fr; gap: 14px; }
.info-list__icon {
  display: grid;
  place-items: center;
  width: 40px;
  height: 40px;
  border-radius: 10px;
  background: #fff;
  border: 1px solid var(--line);
  color: var(--gold-600);
}
.info-list b { display: block; font-size: 13px; color: var(--ink-400); font-weight: 500; }
.info-list span, .info-list a {
  font-size: 15px;
  font-weight: 600;
  color: var(--ink-900);
  word-break: break-all;
}
.info-list a:hover { color: var(--gold-600); }

/* 位置示意地图（contact.html 自绘 SVG；以后想换成高德 iframe，样式已兼容） */
.map-box {
  position: relative;
  margin-top: 20px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  overflow: hidden;
  line-height: 0;
}
.map-box svg { display: block; width: 100%; height: auto; }
/* 保留 iframe 样式：把 svg 换成高德/百度地图 iframe 时自动铺满 */
.map-box iframe { width: 100%; height: 100%; border: 0; }

/* 地图下方：一键导航按钮行 */
.map-links {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 12px;
  margin-top: 14px;
}
.map-links__tip { font-size: 13px; color: var(--ink-500); }

/* 服务详情页：并列条目 */
.svc-row {
  display: grid;
  grid-template-columns: 300px 1fr;
  gap: 56px;
  padding: 56px 0;
  border-bottom: 1px solid var(--line-soft);
  scroll-margin-top: 110px;
}
.svc-row:last-child { border-bottom: 0; }
.svc-row__side h3 { font-size: 22px; }
.svc-row__tag {
  display: inline-block;
  margin-bottom: 16px;
  padding: 5px 14px;
  font-size: 12px;
  font-weight: 600;
  letter-spacing: .06em;
  color: var(--gold-600);
  background: var(--gold-050);
  border: 1px solid var(--gold-100);
  border-radius: var(--radius-pill);
}
.svc-row__side p { margin-top: 16px; font-size: 14.5px; color: var(--ink-500); }
.svc-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 18px; }
.svc-item {
  padding: 22px 24px;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  transition: border-color .25s var(--ease), box-shadow .25s var(--ease),
    transform .25s var(--ease);
}
.svc-item:hover {
  transform: translateY(-4px);
  border-color: var(--gold-300);
  box-shadow: var(--shadow);
}
.svc-item h4 { font-size: 16px; }
.svc-item p { margin-top: 8px; font-size: 14px; line-height: 1.75; color: var(--ink-500); }

/* 关于我们：价值主张列表 / 团队 */
.value-card {
  padding: 30px 28px;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  height: 100%;
}
.value-card__num {
  font-family: var(--font-number);
  font-size: 13px;
  font-weight: 700;
  letter-spacing: .1em;
  color: var(--gold-500);
}
.value-card h3 { margin-top: 14px; font-size: 18px; }
.value-card p { margin-top: 12px; font-size: 14.5px; line-height: 1.8; color: var(--ink-500); }

.member {
  padding: 28px;
  text-align: center;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
}
.member__avatar {
  display: grid;
  place-items: center;
  width: 84px;
  height: 84px;
  margin: 0 auto 18px;
  font-size: 26px;
  font-weight: 700;
  color: var(--navy-800);
  background: linear-gradient(140deg, var(--navy-050), var(--navy-100));
  border-radius: 50%;
  overflow: hidden;
}
.member__avatar img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: 50% 18%;
}
.member h3 { font-size: 17px; }
.member__role { margin-top: 6px; font-size: 13px; color: var(--gold-600); font-weight: 600; }
.member p { margin-top: 14px; font-size: 13.5px; line-height: 1.8; color: var(--ink-500); }

/* 资质证书占位 */
.cert {
  display: grid;
  place-items: center;
  aspect-ratio: 3 / 4;
  padding: 20px;
  text-align: center;
  font-size: 13px;
  line-height: 1.7;
  color: var(--ink-400);
  background: linear-gradient(160deg, #fff, var(--bg-soft));
  border: 1px solid var(--line);
  border-radius: var(--radius);
  overflow: hidden;
}
.cert img { width: 100%; height: 100%; object-fit: contain; }

/* 404 页面 */
.err-page {
  display: grid;
  place-items: center;
  min-height: 60vh;
  padding: 80px 0;
  text-align: center;
}
.err-page__code {
  font-family: var(--font-number);
  font-size: 110px;
  font-weight: 700;
  line-height: 1;
  color: var(--navy-100);
  letter-spacing: -.04em;
}

/* ==========================================================================
   18. 浮动咨询按钮
   ========================================================================== */
.float-cta {
  position: fixed;
  right: 22px;
  bottom: 26px;
  z-index: 90;
  display: flex;
  flex-direction: column;
  gap: 12px;
}
.float-btn {
  position: relative;
  display: grid;
  place-items: center;
  width: 54px;
  height: 54px;
  color: var(--navy-800);
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 50%;
  box-shadow: var(--shadow);
  cursor: pointer;
  transition: transform .25s var(--ease), box-shadow .25s var(--ease),
    background .25s var(--ease), color .25s var(--ease);
}
.float-btn:hover {
  transform: translateY(-3px);
  color: #fff;
  background: var(--navy-800);
  box-shadow: var(--shadow-lg);
}
.float-btn--gold {
  color: var(--navy-950);
  background: linear-gradient(135deg, var(--gold-400), var(--gold-500));
  border-color: transparent;
}
.float-btn--gold:hover {
  color: var(--navy-950);
  background: linear-gradient(135deg, var(--gold-300), var(--gold-400));
}
/* 悬停提示气泡 */
.float-tip {
  position: absolute;
  right: 66px;
  top: 50%;
  transform: translateY(-50%) translateX(6px);
  padding: 8px 14px;
  font-size: 13px;
  white-space: nowrap;
  color: #fff;
  background: var(--navy-900);
  border-radius: var(--radius-sm);
  opacity: 0;
  pointer-events: none;
  transition: opacity .22s var(--ease), transform .22s var(--ease);
}
.float-btn:hover .float-tip { opacity: 1; transform: translateY(-50%) translateX(0); }

/* 回到顶部 */
.to-top {
  opacity: 0;
  visibility: hidden;
  transform: translateY(12px);
}
.to-top.is-show { opacity: 1; visibility: visible; transform: translateY(0); }

/* 二维码弹层 */
.qr-pop {
  position: fixed;
  right: 22px;
  bottom: 26px;
  z-index: 95;
  width: 220px;
  padding: 20px;
  text-align: center;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: var(--shadow-lg);
  opacity: 0;
  visibility: hidden;
  transform: translateY(10px) scale(.96);
  transition: opacity .25s var(--ease), transform .25s var(--ease), visibility .25s;
}
.qr-pop.is-show { opacity: 1; visibility: visible; transform: translateY(0) scale(1); }
.qr-pop__img {
  display: grid;
  place-items: center;
  width: 150px;
  height: 150px;
  margin: 0 auto 12px;
  font-size: 12px;
  line-height: 1.5;
  color: var(--ink-400);
  background: var(--bg-soft);
  border: 1px dashed var(--line);
  border-radius: var(--radius-sm);
  overflow: hidden;
}
.qr-pop__img img { width: 100%; height: 100%; object-fit: cover; }
.qr-pop p { font-size: 13px; color: var(--ink-500); }
.qr-pop strong { display: block; font-size: 14px; color: var(--ink-900); margin-bottom: 4px; }

/* ==========================================================================
   19. 滚动进场动画
   ========================================================================== */
.reveal {
  opacity: 0;
  transform: translateY(22px);
  transition: opacity .7s var(--ease), transform .7s var(--ease);
}
.reveal.is-in { opacity: 1; transform: none; }
/* 关闭动画偏好（系统级无障碍设置）时不做位移 */
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .reveal { opacity: 1; transform: none; transition: none; }
  .hero-float { animation: none; }
  .btn:hover, .card:hover, .svc-item:hover, .step:hover .step__dot { transform: none; }
}

/* ==========================================================================
   20. 响应式适配
   ========================================================================== */

/* 小桌面 / 大平板 */
@media (max-width: 1080px) {
  h1 { font-size: 40px; }
  .hero h1 { font-size: 42px; }
  .hero__inner { gap: 44px; padding: 84px 0 92px; }
  .split { gap: 48px; }
  .svc-row { grid-template-columns: 240px 1fr; gap: 40px; }
  .footer-main { grid-template-columns: 1.4fr 1fr 1fr; gap: 40px; }
  .footer-col--qr { grid-column: 1 / -1; display: flex; gap: 40px; align-items: center; }
}

/* 平板 */
@media (max-width: 920px) {
  .section { padding: 72px 0; }
  h2 { font-size: 28px; }
  .hero__inner { grid-template-columns: 1fr; padding: 68px 0 80px; }
  .hero h1 { font-size: 38px; }
  .hero-visual { max-width: 520px; }
  .hero-float--a { left: 0; }
  .hero-float--b { right: 0; }
  .grid-4 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .grid-3 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .stats__grid { grid-template-columns: repeat(2, 1fr); gap: 32px 20px; padding: 38px 0; }
  .stat:nth-child(odd)::before { display: none; }
  .timeline { grid-template-columns: repeat(2, 1fr); gap: 36px 20px; }
  .timeline::before { display: none; }
  .split { grid-template-columns: 1fr; gap: 44px; }
  .split--reverse .visual-card { order: -1; }
  .contact-layout { grid-template-columns: 1fr; gap: 40px; }
  .svc-row { grid-template-columns: 1fr; gap: 28px; padding: 44px 0; }
  .cta__inner { flex-direction: column; align-items: flex-start; }
  .page-hero h1 { font-size: 34px; }

  /* 移动端导航：抽屉式 */
  .nav-toggle { display: block; }
  .header-phone span { display: none; }
  .nav {
    position: fixed;
    left: 0;
    right: 0;
    top: 80px;
    bottom: 0;
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    padding: 20px 24px;
    background: #fff;
    border-top: 1px solid var(--line);
    overflow-y: auto;
    transform: translateX(100%);
    visibility: hidden;
    transition: transform .32s var(--ease), visibility .32s;
  }
  .nav.is-open { transform: translateX(0); visibility: visible; }
  .nav__link {
    padding: 16px 4px;
    font-size: 17px;
    border-bottom: 1px solid var(--line-soft);
    border-radius: 0;
  }
  .nav__link.is-active::after { display: none; }
  .nav__link.is-active { color: var(--gold-600); }
  .nav .btn { margin-top: 24px; }
}

/* 手机 */
@media (max-width: 620px) {
  body { font-size: 15.5px; }
  .container { padding: 0 20px; }
  .section { padding: 58px 0; }
  h1 { font-size: 30px; }
  h2 { font-size: 24px; }
  .hero h1 { font-size: 30px; }
  .hero h1 .hl { white-space: normal; }
  .hero__inner { padding: 52px 0 64px; }
  .hero__actions .btn { flex: 1; }
  .grid-2, .grid-3, .grid-4 { grid-template-columns: 1fr; }
  .stats__grid { grid-template-columns: 1fr 1fr; gap: 26px 12px; }
  .stat__num { font-size: 32px; }
  .timeline { grid-template-columns: 1fr; gap: 30px; }
  .svc-grid { grid-template-columns: 1fr; }
  .form-row { grid-template-columns: 1fr; gap: 0; }
  .form-card { padding: 26px 22px; }
  .info-card { padding: 24px 22px; }
  .footer-main { grid-template-columns: 1fr; gap: 34px; padding: 52px 0 40px; }
  .footer-col--qr { flex-direction: column; align-items: flex-start; }
  .cta h2 { font-size: 23px; }
  .cta__actions { width: 100%; }
  .cta__actions .btn { flex: 1; }
  .float-cta { right: 14px; bottom: 16px; }
  .float-btn { width: 48px; height: 48px; }
  .qr-pop { right: 14px; bottom: 16px; width: 200px; }
  .hero-float { display: none; }
  .err-page__code { font-size: 78px; }
  .footer-bottom { justify-content: flex-start; }
}

/* ==========================================================================
   打印样式：方便把服务报价单、公司简介直接打印成纸质材料
   ========================================================================== */
@media print {
  .site-header, .float-cta, .qr-pop, .cta, .site-footer { display: none !important; }
  .hero, .page-hero { background: none !important; color: #000 !important; }
  .hero h1, .hero__desc, .hero__points { color: #000 !important; }
  .reveal { opacity: 1 !important; transform: none !important; }
  body { font-size: 12pt; }
  a { color: #000; }
}