/* ==========================================================================
   潮白人家社区服务网 — 主样式表
   --------------------------------------------------------------------------
   目录
   01 设计令牌      02 基础重置      03 排版        04 布局与区块
   05 按钮          06 图标          07 顶部导航    08 移动端菜单
   09 首页 Hero     10 分类卡片      11 快捷服务    12 服务卡片
   13 生活场景      14 优势          15 服务流程    16 CTA 区
   17 页脚          18 移动端电话栏  19 服务详情页  20 FAQ 手风琴
   21 搜索与筛选    22 关于页        23 联系页      24 404 页
   25 面包屑与工具  26 入场动画      27 无障碍与打印
   ========================================================================== */

/* ============================ 01 设计令牌 ============================ */
:root {
  /* 品牌主色：深蓝 / 靛蓝 */
  --navy-900: #08203c;
  --navy-800: #0d2b4c;
  --navy: #123a63;
  --brand: #1f5fa8;
  --brand-600: #1a4f8a;
  --brand-soft: #e9f0fa;

  /* 中性色 */
  --ink: #0f172a;
  --text: #2a3b50;
  --muted: #667a91;
  --line: #e3e9f2;
  --line-soft: #eef2f8;
  --bg: #f6f8fc;
  --bg-alt: #ffffff;
  --white: #fff;

  /* 强调色（少量使用） */
  --amber: #f08c00;
  --amber-soft: #fdf2e0;
  --teal: #0f9b8e;

  /* 语义色 */
  --ok: #0f9b8e;

  /* 圆角 */
  --r-xs: 8px;
  --r-sm: 12px;
  --r: 16px;
  --r-lg: 22px;
  --r-xl: 30px;
  --r-pill: 999px;

  /* 阴影：克制、层次分明 */
  --sh-xs: 0 1px 2px rgba(15, 36, 66, 0.05);
  --sh-1: 0 2px 8px rgba(15, 36, 66, 0.06), 0 1px 2px rgba(15, 36, 66, 0.04);
  --sh-2: 0 10px 26px rgba(15, 36, 66, 0.09), 0 2px 6px rgba(15, 36, 66, 0.05);
  --sh-3: 0 22px 52px rgba(15, 36, 66, 0.14), 0 4px 12px rgba(15, 36, 66, 0.07);

  /* 尺寸 */
  --container: 1280px;
  --header-h: 74px;
  --sec-y: clamp(56px, 7vw, 104px);

  /* 字体：优先系统中文字体，保证中文阅读体验，且不依赖任何外部字体 CDN */
  --font-sans: Inter, 'Noto Sans SC', 'PingFang SC', 'Hiragino Sans GB',
    'Microsoft YaHei', 'Source Han Sans SC', 'WenQuanYi Micro Hei', system-ui,
    -apple-system, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
  --font-num: Inter, ui-sans-serif, system-ui, 'PingFang SC', sans-serif;

  /* 缓动 */
  --ease: cubic-bezier(0.22, 0.61, 0.36, 1);
  --ease-out: cubic-bezier(0.16, 1, 0.3, 1);
}

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

html {
  -webkit-text-size-adjust: 100%;
  scroll-behavior: smooth;
  /* 预留整条页头的高度（顶部细条 34px + 主导航 74px），锚点跳转不被遮挡 */
  scroll-padding-top: calc(var(--header-h) + 50px);
}

body {
  margin: 0;
  font-family: var(--font-sans);
  font-size: 16px;
  line-height: 1.75;
  color: var(--text);
  background: var(--bg-alt);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  /* 用 clip 而不是 hidden：hidden 会让 body 变成滚动容器，
     导致页内 position: sticky（服务页侧边目录）失效 */
  overflow-x: clip;
}

/* 不支持 clip 的旧浏览器退回 hidden（仅影响 sticky 目录的吸附效果） */
@supports not (overflow: clip) {
  body {
    overflow-x: hidden;
  }
}

img,
svg,
video {
  max-width: 100%;
  height: auto;
}

img {
  border-style: none;
}

a {
  color: var(--brand);
  text-decoration: none;
  transition: color 0.2s var(--ease);
}

a:hover {
  color: var(--brand-600);
}

button {
  font: inherit;
  color: inherit;
}

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

/* 统一焦点样式：键盘可见，鼠标不打扰 */
:focus-visible {
  outline: 3px solid rgba(31, 95, 168, 0.55);
  outline-offset: 3px;
  border-radius: 4px;
}

/* 修正 hidden 属性：卡片使用 display:flex/grid，需强制覆盖，
   否则 JS 筛选时「隐藏」会失效 */
[hidden] {
  display: none !important;
}

::selection {
  background: rgba(31, 95, 168, 0.16);
}

/* 跳过导航：无障碍必备 */
.skip-link {
  position: absolute;
  left: 12px;
  top: -60px;
  z-index: 200;
  padding: 10px 18px;
  background: var(--navy);
  color: #fff;
  border-radius: var(--r-sm);
  transition: top 0.2s var(--ease);
}

.skip-link:focus {
  top: 12px;
  color: #fff;
}

/* ============================ 03 排版 ============================ */
h1,
h2,
h3,
h4,
h5 {
  margin: 0;
  color: var(--ink);
  font-weight: 800;
  line-height: 1.28;
  letter-spacing: -0.01em;
}

h1 {
  font-size: clamp(30px, 4.2vw, 50px);
  letter-spacing: -0.022em;
}

h2 {
  font-size: clamp(24px, 2.9vw, 36px);
  letter-spacing: -0.018em;
}

h3 {
  font-size: clamp(18px, 1.6vw, 21px);
}

h4 {
  font-size: 17px;
  font-weight: 700;
}

p {
  margin: 0 0 1em;
}

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

.lead {
  font-size: clamp(15.5px, 1.35vw, 18px);
  color: var(--muted);
  line-height: 1.8;
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 14px;
  padding: 6px 14px;
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.04em;
  color: var(--brand);
  background: var(--brand-soft);
  border-radius: var(--r-pill);
}

.eyebrow--amber {
  color: #a35c00;
  background: var(--amber-soft);
}

.eyebrow--light {
  color: #cfe2ff;
  background: rgba(255, 255, 255, 0.12);
}

.text-center {
  text-align: center;
}

.muted {
  color: var(--muted);
}

.nowrap {
  white-space: nowrap;
}

/* 通用工具类 */
.gap-top {
  margin-top: clamp(24px, 3.2vw, 40px);
}

.js-reveal .gap-top[data-reveal],
[data-reveal].gap-top {
  margin-top: clamp(24px, 3.2vw, 40px);
}

/* 无插画的简洁 Hero（服务列表页 / 关于页） */
.hero-simple {
  max-width: 860px;
  margin: 0 auto;
  text-align: center;
}

.hero-simple .page-hero__intro {
  margin-left: auto;
  margin-right: auto;
  margin-bottom: 0;
}

/* 两栏布局的正文列：min-width 归零，防止代码块 / 长表格撑破栅格 */
.layout-split__main {
  min-width: 0;
}

/* ============================ 04 布局与区块 ============================ */
.container {
  width: 100%;
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 20px;
}

.container--narrow {
  max-width: 940px;
}

.section {
  padding: var(--sec-y) 0;
}

.section--alt {
  background: var(--bg);
}

.section--dark {
  background: var(--navy-900);
  color: rgba(255, 255, 255, 0.82);
}

.section--dark h2,
.section--dark h3 {
  color: #fff;
}

.section-head {
  max-width: 720px;
  margin: 0 auto clamp(32px, 4vw, 56px);
  text-align: center;
}

.section-head .lead {
  margin-top: 14px;
}

.section-head--left {
  margin-left: 0;
  text-align: left;
}

.divider {
  height: 1px;
  background: var(--line);
  border: 0;
  margin: 0;
}

/* ============================ 05 按钮 ============================ */
.btn {
  --btn-bg: var(--brand);
  --btn-fg: #fff;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 9px;
  min-height: 46px;
  padding: 12px 24px;
  font-size: 15.5px;
  font-weight: 700;
  line-height: 1.2;
  color: var(--btn-fg);
  background: var(--btn-bg);
  border: 1.5px solid transparent;
  border-radius: var(--r-pill);
  cursor: pointer;
  text-align: center;
  transition: transform 0.2s var(--ease), box-shadow 0.24s var(--ease),
    background-color 0.2s var(--ease), color 0.2s var(--ease),
    border-color 0.2s var(--ease);
  box-shadow: var(--sh-1);
}

.btn:hover {
  color: var(--btn-fg);
  transform: translateY(-2px);
  box-shadow: var(--sh-2);
  background: var(--brand-600);
}

.btn:active {
  transform: translateY(0);
}

.btn .ico {
  flex: none;
}

/* 主按钮：暖色，用于电话与核心转化 */
.btn--primary {
  --btn-bg: var(--amber);
  box-shadow: 0 8px 22px rgba(240, 140, 0, 0.28);
}

.btn--primary:hover {
  background: #d97e00;
  box-shadow: 0 12px 28px rgba(240, 140, 0, 0.34);
}

/* 深色按钮 */
.btn--dark {
  --btn-bg: var(--navy);
}

.btn--dark:hover {
  background: var(--navy-800);
}

/* 描边按钮 */
.btn--ghost {
  --btn-bg: transparent;
  --btn-fg: var(--navy);
  border-color: var(--line);
  box-shadow: none;
}

.btn--ghost:hover {
  background: var(--brand-soft);
  border-color: rgba(31, 95, 168, 0.35);
  color: var(--brand-600);
}

/* 白底描边（用于深色区域） */
.btn--ghost-light {
  --btn-bg: rgba(255, 255, 255, 0.08);
  --btn-fg: #fff;
  border-color: rgba(255, 255, 255, 0.34);
  box-shadow: none;
  backdrop-filter: blur(6px);
}

.btn--ghost-light:hover {
  background: rgba(255, 255, 255, 0.16);
  border-color: rgba(255, 255, 255, 0.6);
  color: #fff;
}

.btn--white {
  --btn-bg: #fff;
  --btn-fg: var(--navy);
}

.btn--white:hover {
  background: #f0f5ff;
  color: var(--navy);
}

.btn--lg {
  min-height: 54px;
  padding: 15px 32px;
  font-size: 17px;
}

.btn--sm {
  min-height: 40px;
  padding: 9px 18px;
  font-size: 14.5px;
}

.btn--block {
  width: 100%;
}

.btn-row {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
}

.btn-row--center {
  justify-content: center;
}

/* 文本链接（带箭头，hover 时箭头位移） */
.link-more {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-weight: 700;
  font-size: 15px;
  color: var(--brand);
}

.link-more .ico {
  width: 17px;
  height: 17px;
  transition: transform 0.24s var(--ease);
}

.link-more:hover .ico {
  transform: translateX(4px);
}

/* ============================ 06 图标 ============================ */
.ico {
  width: 22px;
  height: 22px;
  flex: none;
  display: block;
}

.ico--sm {
  width: 17px;
  height: 17px;
}

.ico--lg {
  width: 30px;
  height: 30px;
}

.ico--xl {
  width: 38px;
  height: 38px;
}

/* 图标容器：统一圆角方块 */
.ico-box {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 52px;
  height: 52px;
  border-radius: 15px;
  background: var(--brand-soft);
  color: var(--brand);
  flex: none;
  transition: transform 0.3s var(--ease), background-color 0.3s var(--ease);
}

.ico-box--lg {
  width: 64px;
  height: 64px;
  border-radius: 19px;
}

.ico-box--sm {
  width: 42px;
  height: 42px;
  border-radius: 13px;
}

/* ============================ 07 顶部导航 ============================ */
.site-header {
  position: sticky;
  top: 0;
  z-index: 90;
  background: rgba(255, 255, 255, 0.9);
  backdrop-filter: saturate(180%) blur(14px);
  -webkit-backdrop-filter: saturate(180%) blur(14px);
  border-bottom: 1px solid var(--line);
  transition: box-shadow 0.28s var(--ease);
}

/* 页面滚动后加深层次感 */
.site-header.is-scrolled {
  box-shadow: 0 6px 22px rgba(15, 36, 66, 0.07);
}

/* 顶部细条：只放服务定位与联系方式 */
.header-top {
  background: var(--navy-900);
  color: rgba(255, 255, 255, 0.66);
  font-size: 12.5px;
}

.header-top .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  min-height: 34px;
}

.header-top__list {
  display: flex;
  align-items: center;
  gap: 18px;
}

.header-top__item {
  display: inline-flex;
  align-items: center;
  gap: 6px;
}

.header-top__item .ico {
  width: 14px;
  height: 14px;
  opacity: 0.8;
}

.header-top a {
  color: rgba(255, 255, 255, 0.86);
  font-weight: 600;
}

.header-top a:hover {
  color: #fff;
}

/* 主导航行 */
.header-main {
  display: flex;
  align-items: center;
  gap: 20px;
  min-height: var(--header-h);
}

/* 品牌标识 */
.brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  flex: none;
  color: inherit;
}

.brand:hover {
  color: inherit;
}

.brand__mark {
  width: 44px;
  height: 44px;
  flex: none;
  border-radius: 13px;
  box-shadow: 0 6px 16px rgba(18, 58, 99, 0.22);
}

.brand__text {
  display: flex;
  flex-direction: column;
  line-height: 1.2;
}

.brand__name {
  font-size: 19px;
  font-weight: 800;
  color: var(--ink);
  letter-spacing: -0.01em;
}

.brand__sub {
  font-size: 11.5px;
  color: var(--muted);
  letter-spacing: 0.06em;
}

/* 导航链接 */
.nav {
  display: flex;
  align-items: center;
  gap: 4px;
  margin-left: auto;
}

.nav__link {
  position: relative;
  display: inline-flex;
  align-items: center;
  padding: 9px 15px;
  font-size: 15.5px;
  font-weight: 600;
  color: var(--text);
  border-radius: var(--r-sm);
  transition: color 0.2s var(--ease), background-color 0.2s var(--ease);
}

.nav__link::after {
  content: '';
  position: absolute;
  left: 15px;
  right: 15px;
  bottom: 4px;
  height: 2px;
  border-radius: 2px;
  background: var(--brand);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.26s var(--ease);
}

.nav__link:hover {
  color: var(--brand);
  background: var(--brand-soft);
}

.nav__link:hover::after {
  transform: scaleX(1);
}

.nav__link[aria-current='page'] {
  color: var(--brand);
  background: var(--brand-soft);
}

.nav__link[aria-current='page']::after {
  transform: scaleX(1);
}

/* 导航右侧操作区 */
.header-actions {
  display: flex;
  align-items: center;
  gap: 10px;
  flex: none;
}

.header-phone {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  padding: 8px 16px 8px 13px;
  border-radius: var(--r-pill);
  background: var(--brand-soft);
  color: var(--navy);
  transition: background-color 0.2s var(--ease);
}

.header-phone:hover {
  background: #dbe7f9;
  color: var(--navy);
}

.header-phone .ico {
  width: 19px;
  height: 19px;
  color: var(--brand);
}

.header-phone__label {
  display: block;
  font-size: 10.5px;
  color: var(--muted);
  line-height: 1.1;
  letter-spacing: 0.04em;
}

.header-phone__num {
  display: block;
  font-family: var(--font-num);
  font-size: 16px;
  font-weight: 800;
  letter-spacing: 0.01em;
  line-height: 1.2;
}

/* 汉堡按钮 */
.nav-toggle {
  display: none;
  align-items: center;
  justify-content: center;
  width: 44px;
  height: 44px;
  padding: 0;
  background: var(--bg);
  border: 1px solid var(--line);
  border-radius: var(--r-sm);
  color: var(--navy);
  cursor: pointer;
}

.nav-toggle .ico {
  width: 24px;
  height: 24px;
}

.nav-toggle__close {
  display: none;
}

.nav-toggle[aria-expanded='true'] .nav-toggle__open {
  display: none;
}

.nav-toggle[aria-expanded='true'] .nav-toggle__close {
  display: block;
}

/* ============================ 08 移动端菜单 ============================ */
.mobile-nav {
  position: fixed;
  inset: 0;
  z-index: 95;
  display: none;
  background: rgba(8, 32, 60, 0.5);
  backdrop-filter: blur(3px);
}

.mobile-nav.is-open {
  display: block;
}

.mobile-nav__panel {
  position: absolute;
  top: 0;
  right: 0;
  bottom: 0;
  width: min(86vw, 380px);
  max-width: 100%;
  background: #fff;
  box-shadow: var(--sh-3);
  display: flex;
  flex-direction: column;
  overflow-y: auto;
  animation: slideIn 0.28s var(--ease-out);
}

@keyframes slideIn {
  from {
    transform: translateX(24px);
    opacity: 0.4;
  }
  to {
    transform: translateX(0);
    opacity: 1;
  }
}

.mobile-nav__head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 16px 18px;
  border-bottom: 1px solid var(--line);
}

.mobile-nav__list {
  padding: 10px 12px;
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.mobile-nav__link {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 14px 16px;
  font-size: 16.5px;
  font-weight: 700;
  color: var(--ink);
  border-radius: var(--r-sm);
}

.mobile-nav__link:hover,
.mobile-nav__link[aria-current='page'] {
  background: var(--brand-soft);
  color: var(--brand);
}

.mobile-nav__link .ico {
  width: 18px;
  height: 18px;
  color: var(--muted);
}

.mobile-nav__cta {
  margin-top: auto;
  padding: 18px;
  border-top: 1px solid var(--line);
  background: var(--bg);
}

.mobile-nav__cats {
  padding: 6px 12px 14px;
}

.mobile-nav__cats-title {
  padding: 10px 16px 6px;
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.08em;
  color: var(--muted);
}

.mobile-nav__cat {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 10px 16px;
  font-size: 14.5px;
  color: var(--text);
  border-radius: var(--r-xs);
}

.mobile-nav__cat:hover {
  background: var(--bg);
  color: var(--brand);
}

body.nav-open {
  overflow: hidden;
}

/* ============================ 09 首页 Hero ============================ */
.hero {
  position: relative;
  overflow: hidden;
  background: linear-gradient(155deg, #0a2543 0%, #113a63 48%, #17538e 100%);
  color: rgba(255, 255, 255, 0.8);
  padding: clamp(48px, 6vw, 88px) 0 clamp(56px, 7vw, 100px);
}

.hero::after {
  content: '';
  position: absolute;
  inset: auto 0 -1px 0;
  height: 90px;
  background: linear-gradient(to bottom, rgba(255, 255, 255, 0), rgba(246, 248, 252, 0.28));
  pointer-events: none;
}

.hero__inner {
  position: relative;
  z-index: 2;
  display: grid;
  grid-template-columns: minmax(0, 1.06fr) minmax(0, 0.94fr);
  gap: clamp(28px, 4vw, 60px);
  align-items: center;
}

.hero__eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 7px 15px;
  margin-bottom: 20px;
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.04em;
  color: #ffe6bd;
  background: rgba(240, 140, 0, 0.16);
  border: 1px solid rgba(255, 176, 32, 0.32);
  border-radius: var(--r-pill);
}

.hero h1 {
  color: #fff;
  margin-bottom: 18px;
  text-shadow: 0 2px 22px rgba(0, 0, 0, 0.18);
}

.hero__slogan {
  display: block;
  margin-top: 12px;
  font-size: clamp(19px, 2.1vw, 27px);
  font-weight: 700;
  letter-spacing: 0.01em;
  background: linear-gradient(92deg, #ffd699, #ffb020 55%, #ffd699);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.hero__desc {
  max-width: 34em;
  font-size: clamp(15.5px, 1.35vw, 17.5px);
  line-height: 1.85;
  color: rgba(255, 255, 255, 0.78);
  margin-bottom: 30px;
}

.hero__desc strong {
  color: #fff;
  font-weight: 700;
}

.hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-bottom: 30px;
}

/* Hero 底部的关键信息条 */
.hero__facts {
  display: flex;
  flex-wrap: wrap;
  gap: 10px 26px;
  padding-top: 24px;
  border-top: 1px solid rgba(255, 255, 255, 0.14);
}

.hero__fact {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  font-size: 14.5px;
  color: rgba(255, 255, 255, 0.82);
}

.hero__fact .ico {
  width: 18px;
  height: 18px;
  color: #ffb020;
}

/* Hero 右侧插画 */
.hero__visual {
  position: relative;
}

.hero__visual-glow {
  position: absolute;
  inset: 6% 4%;
  border-radius: 50%;
  background: radial-gradient(circle at 55% 45%, rgba(255, 176, 32, 0.22), transparent 62%);
  filter: blur(6px);
  pointer-events: none;
}

.hero-art-svg {
  position: relative;
  display: block;
  width: 100%;
  height: auto;
  animation: floatY 7s var(--ease) infinite;
  filter: drop-shadow(0 26px 46px rgba(4, 18, 36, 0.35));
}

@keyframes floatY {
  0%,
  100% {
    transform: translateY(0);
  }
  50% {
    transform: translateY(-12px);
  }
}

.hero-tex {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
}

/* 首页 Hero 顶部的浮动服务标签 */
.hero__tag-float {
  position: absolute;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 9px 15px;
  font-size: 13.5px;
  font-weight: 700;
  color: var(--navy);
  background: rgba(255, 255, 255, 0.95);
  border-radius: var(--r-pill);
  box-shadow: var(--sh-2);
  animation: floatY 6s var(--ease) infinite;
}

.hero__tag-float .ico {
  width: 17px;
  height: 17px;
  color: var(--amber);
}

.hero__tag-float--a {
  top: 4%;
  left: -2%;
  animation-delay: -1.2s;
}

.hero__tag-float--b {
  bottom: 12%;
  right: -1%;
  animation-delay: -3s;
}

/* 服务页面用：浅色 Hero */
.page-hero {
  position: relative;
  overflow: hidden;
  padding: clamp(30px, 4vw, 52px) 0 clamp(44px, 5vw, 74px);
  background: linear-gradient(180deg, var(--hero-soft, #eef3fb) 0%, #ffffff 78%);
}

.page-hero__inner {
  position: relative;
  z-index: 2;
  display: grid;
  grid-template-columns: minmax(0, 1.08fr) minmax(0, 0.92fr);
  gap: clamp(26px, 4vw, 56px);
  align-items: center;
}

.page-hero__badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 7px 15px;
  margin-bottom: 18px;
  font-size: 13px;
  font-weight: 700;
  color: var(--hero-accent, var(--brand));
  background: #fff;
  border: 1px solid rgba(0, 0, 0, 0.06);
  border-radius: var(--r-pill);
  box-shadow: var(--sh-xs);
}

.page-hero__badge .ico {
  width: 17px;
  height: 17px;
}

.page-hero h1 {
  margin-bottom: 14px;
}

.page-hero__tagline {
  font-size: clamp(17px, 1.9vw, 23px);
  font-weight: 700;
  color: var(--hero-accent, var(--brand));
  margin-bottom: 16px;
}

.page-hero__intro {
  max-width: 36em;
  font-size: clamp(15.5px, 1.3vw, 17px);
  line-height: 1.88;
  color: #4a5c73;
  margin-bottom: 26px;
}

.page-hero__actions {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 14px;
}

.page-hero__visual {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
}

.page-hero__visual::before {
  content: '';
  position: absolute;
  inset: 4% 2%;
  border-radius: 50%;
  background: radial-gradient(circle at 50% 50%, var(--hero-soft, #eef3fb) 0%, transparent 68%);
  pointer-events: none;
}

.page-hero__visual .hero-art-svg {
  filter: drop-shadow(0 20px 40px rgba(15, 36, 66, 0.14));
}

/* Hero 下方的三个要点 */
.hero-points {
  position: relative;
  z-index: 3;
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 16px;
  margin-top: clamp(30px, 4vw, 48px);
}

.hero-point {
  display: flex;
  gap: 14px;
  padding: 18px 20px;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--r);
  box-shadow: var(--sh-1);
  transition: transform 0.28s var(--ease), box-shadow 0.28s var(--ease);
}

.hero-point:hover {
  transform: translateY(-4px);
  box-shadow: var(--sh-2);
}

.hero-point__t {
  font-size: 15.5px;
  font-weight: 700;
  color: var(--ink);
  margin-bottom: 3px;
}

.hero-point__d {
  font-size: 13.8px;
  line-height: 1.7;
  color: var(--muted);
}

/* ============================ 10 分类卡片 ============================ */
.cat-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(215px, 1fr));
  gap: 18px;
}

.cat-card {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 14px;
  padding: 26px 24px;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--r-lg);
  box-shadow: var(--sh-1);
  overflow: hidden;
  transition: transform 0.3s var(--ease), box-shadow 0.3s var(--ease),
    border-color 0.3s var(--ease);
}

.cat-card::before {
  content: '';
  position: absolute;
  left: 0;
  top: 0;
  bottom: 0;
  width: 3px;
  background: var(--cat-accent, var(--brand));
  transform: scaleY(0);
  transform-origin: top;
  transition: transform 0.34s var(--ease);
}

.cat-card:hover {
  transform: translateY(-5px);
  box-shadow: var(--sh-2);
  border-color: rgba(31, 95, 168, 0.18);
}

.cat-card:hover::before {
  transform: scaleY(1);
}

.cat-card__head {
  display: flex;
  align-items: center;
  gap: 14px;
}

.cat-card .ico-box {
  background: var(--cat-soft, var(--brand-soft));
  color: var(--cat-accent, var(--brand));
}

.cat-card:hover .ico-box {
  transform: rotate(-6deg) scale(1.06);
}

.cat-card__name {
  font-size: 17.5px;
  font-weight: 800;
  color: var(--ink);
}

.cat-card__en {
  font-size: 11px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--muted);
}

.cat-card__desc {
  font-size: 14px;
  line-height: 1.75;
  color: var(--muted);
  flex: 1;
}

.cat-card__list {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
}

.cat-chip {
  display: inline-block;
  padding: 3px 10px;
  font-size: 12.5px;
  color: var(--text);
  background: var(--bg);
  border-radius: var(--r-pill);
  transition: background-color 0.2s var(--ease), color 0.2s var(--ease);
}

a.cat-chip:hover {
  background: var(--cat-soft, var(--brand-soft));
  color: var(--cat-accent, var(--brand));
}

/* ============================ 11 快捷服务 ============================ */
.quick-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(148px, 1fr));
  gap: 14px;
}

.quick-card {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 12px;
  padding: 22px 14px;
  text-align: center;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--r);
  box-shadow: var(--sh-xs);
  transition: transform 0.26s var(--ease), box-shadow 0.26s var(--ease),
    border-color 0.26s var(--ease);
}

.quick-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--sh-2);
  border-color: rgba(31, 95, 168, 0.2);
}

.quick-card .ico-box {
  width: 58px;
  height: 58px;
  border-radius: 18px;
  background: var(--cat-soft, var(--brand-soft));
  color: var(--cat-accent, var(--brand));
}

.quick-card:hover .ico-box {
  transform: scale(1.07);
}

.quick-card__label {
  font-size: 15px;
  font-weight: 700;
  color: var(--ink);
}

/* ============================ 12 服务卡片 ============================ */
.svc-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(292px, 1fr));
  gap: 20px;
}

.svc-card {
  position: relative;
  display: flex;
  flex-direction: column;
  padding: 26px 24px 22px;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--r-lg);
  box-shadow: var(--sh-1);
  overflow: hidden;
  transition: transform 0.3s var(--ease), box-shadow 0.3s var(--ease),
    border-color 0.3s var(--ease);
}

.svc-card__glow {
  position: absolute;
  top: -70px;
  right: -70px;
  width: 180px;
  height: 180px;
  border-radius: 50%;
  background: var(--cat-soft, var(--brand-soft));
  opacity: 0;
  transition: opacity 0.36s var(--ease), transform 0.36s var(--ease);
  transform: scale(0.7);
  pointer-events: none;
}

.svc-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--sh-3);
  border-color: rgba(31, 95, 168, 0.2);
}

.svc-card:hover .svc-card__glow {
  opacity: 0.9;
  transform: scale(1);
}

.svc-card .ico-box {
  position: relative;
  z-index: 1;
  background: var(--cat-soft, var(--brand-soft));
  color: var(--cat-accent, var(--brand));
  margin-bottom: 18px;
}

.svc-card:hover .ico-box {
  transform: translateY(-3px) rotate(-5deg);
}

.svc-card__meta {
  position: relative;
  z-index: 1;
  display: flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 8px;
  font-size: 12.5px;
  font-weight: 700;
  letter-spacing: 0.03em;
  color: var(--cat-accent, var(--brand));
}

/* 注意：本元素不能设置 position，否则下方 a::after 的整卡点击遮罩会
   以它为包含块，导致只有标题可以点击 */
.svc-card__name {
  font-size: 18.5px;
  font-weight: 800;
  line-height: 1.42;
  color: var(--ink);
  margin-bottom: 10px;
}

.svc-card__name a {
  color: inherit;
}

/* 整卡可点击遮罩：以 .svc-card 为包含块铺满整张卡片 */
.svc-card__name a::after {
  content: '';
  position: absolute;
  inset: 0;
  z-index: 2;
  border-radius: inherit;
}

.svc-card__name a:hover {
  color: var(--cat-accent, var(--brand));
}

.svc-card__desc {
  position: relative;
  z-index: 1;
  flex: 1;
  font-size: 14.2px;
  line-height: 1.78;
  color: var(--muted);
  margin-bottom: 18px;
}

/* 页脚需高于遮罩（z-index:2），否则卡片内的电话按钮无法点击 */
.svc-card__foot {
  position: relative;
  z-index: 3;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding-top: 16px;
  border-top: 1px solid var(--line-soft);
}

.svc-card__more {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 14.5px;
  font-weight: 700;
  color: var(--cat-accent, var(--brand));
}

.svc-card__more .ico {
  width: 16px;
  height: 16px;
  transition: transform 0.26s var(--ease);
}

.svc-card:hover .svc-card__more .ico {
  transform: translateX(5px);
}

.svc-card__tel {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 13.5px;
  font-weight: 700;
  color: var(--muted);
  font-family: var(--font-num);
}

.svc-card__tel .ico {
  width: 15px;
  height: 15px;
  color: var(--amber);
}

.svc-card__tel:hover {
  color: var(--amber);
}

/* ============================ 13 生活场景 ============================ */
.scene-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(276px, 1fr));
  gap: 16px;
}

.scene-card {
  display: flex;
  align-items: center;
  gap: 16px;
  padding: 20px 22px;
  background: #fff;
  border: 1px solid var(--line);
  border-left: 3px solid var(--cat-accent, var(--brand));
  border-radius: var(--r);
  box-shadow: var(--sh-xs);
  transition: transform 0.26s var(--ease), box-shadow 0.26s var(--ease);
}

.scene-card:hover {
  transform: translateX(4px);
  box-shadow: var(--sh-2);
}

.scene-card__q {
  flex: 1;
  font-size: 15.5px;
  font-weight: 700;
  color: var(--ink);
  line-height: 1.6;
}

.scene-card__q small {
  display: block;
  margin-top: 5px;
  font-size: 13px;
  font-weight: 600;
  color: var(--cat-accent, var(--brand));
}

.scene-card .ico-box {
  width: 46px;
  height: 46px;
  border-radius: 14px;
  background: var(--cat-soft, var(--brand-soft));
  color: var(--cat-accent, var(--brand));
}

.scene-card:hover .ico-box {
  transform: scale(1.06);
}

/* ============================ 14 优势 ============================ */
.adv-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 20px;
}

.adv-card {
  padding: 28px 26px;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--r-lg);
  box-shadow: var(--sh-1);
  transition: transform 0.3s var(--ease), box-shadow 0.3s var(--ease);
}

.adv-card:hover {
  transform: translateY(-5px);
  box-shadow: var(--sh-2);
}

.adv-card .ico-box {
  margin-bottom: 18px;
}

.adv-card:hover .ico-box {
  transform: translateY(-3px);
}

.adv-card__t {
  font-size: 18px;
  font-weight: 800;
  color: var(--ink);
  margin-bottom: 9px;
}

.adv-card__d {
  font-size: 14.5px;
  line-height: 1.82;
  color: var(--muted);
}

/* 深色区块中的优势卡片 */
.section--dark .adv-card {
  background: rgba(255, 255, 255, 0.055);
  border-color: rgba(255, 255, 255, 0.12);
  box-shadow: none;
}

.section--dark .adv-card__t {
  color: #fff;
}

.section--dark .adv-card__d {
  color: rgba(255, 255, 255, 0.7);
}

.section--dark .ico-box {
  background: rgba(255, 255, 255, 0.1);
  color: #ffb020;
}

/* ============================ 15 服务流程 ============================ */
.flow {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(190px, 1fr));
  gap: 18px;
  counter-reset: step;
}

.flow-step {
  position: relative;
  padding: 26px 22px;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--r-lg);
  box-shadow: var(--sh-xs);
  transition: transform 0.3s var(--ease), box-shadow 0.3s var(--ease);
}

.flow-step::before {
  counter-increment: step;
  content: counter(step, decimal-leading-zero);
  display: block;
  margin-bottom: 14px;
  font-family: var(--font-num);
  font-size: 26px;
  font-weight: 800;
  line-height: 1;
  color: var(--cat-accent, var(--brand));
  opacity: 0.28;
  transition: opacity 0.3s var(--ease);
}

.flow-step::after {
  content: '';
  position: absolute;
  top: 42px;
  right: -13px;
  width: 8px;
  height: 8px;
  border-top: 2px solid var(--line);
  border-right: 2px solid var(--line);
  transform: rotate(45deg);
}

.flow-step:last-child::after {
  display: none;
}

.flow-step:hover {
  transform: translateY(-4px);
  box-shadow: var(--sh-2);
}

.flow-step:hover::before {
  opacity: 0.6;
}

.flow-step__t {
  font-size: 16.5px;
  font-weight: 800;
  color: var(--ink);
  margin-bottom: 7px;
}

.flow-step__d {
  font-size: 14px;
  line-height: 1.75;
  color: var(--muted);
}

/* ============================ 16 CTA 区 ============================ */
.cta-band {
  position: relative;
  overflow: hidden;
  background: linear-gradient(120deg, #0c2c4d 0%, #14477b 55%, #1b5a97 100%);
  border-radius: var(--r-xl);
  padding: clamp(34px, 4.6vw, 62px);
  color: rgba(255, 255, 255, 0.8);
  text-align: center;
}

.cta-band::before {
  content: '';
  position: absolute;
  top: -120px;
  right: -80px;
  width: 340px;
  height: 340px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(255, 176, 32, 0.24), transparent 66%);
  pointer-events: none;
}

.cta-band__inner {
  position: relative;
  z-index: 2;
  max-width: 660px;
  margin: 0 auto;
}

.cta-band h2 {
  color: #fff;
  margin-bottom: 14px;
}

.cta-band p {
  font-size: clamp(15px, 1.3vw, 17px);
  line-height: 1.86;
  color: rgba(255, 255, 255, 0.76);
  margin-bottom: 26px;
}

.cta-band__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  justify-content: center;
}

.cta-band__note {
  margin-top: 20px;
  font-size: 13.5px;
  color: rgba(255, 255, 255, 0.58);
}

/* 大号电话展示 */
.tel-display {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  margin: 4px 0 8px;
  font-family: var(--font-num);
  font-size: clamp(28px, 4.4vw, 46px);
  font-weight: 800;
  letter-spacing: 0.01em;
  color: #fff;
  line-height: 1.1;
}

.tel-display .ico {
  width: clamp(26px, 3vw, 36px);
  height: clamp(26px, 3vw, 36px);
  color: #ffb020;
}

a.tel-display:hover {
  color: #ffe0b0;
}

/* 联系方式行 */
.tel-inline {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  font-family: var(--font-num);
  font-size: 19px;
  font-weight: 800;
  color: var(--navy);
}

.tel-inline .ico {
  width: 20px;
  height: 20px;
  color: var(--amber);
}

/* ============================ 17 页脚 ============================ */
.site-footer {
  background: var(--navy-900);
  color: rgba(255, 255, 255, 0.62);
  font-size: 14px;
  padding-top: clamp(44px, 5vw, 68px);
}

.footer-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.35fr) repeat(3, minmax(0, 1fr));
  gap: 34px;
  padding-bottom: 42px;
}

.footer-brand .brand__name {
  color: #fff;
}

.footer-brand .brand__sub {
  color: rgba(255, 255, 255, 0.5);
}

.footer-brand p {
  margin: 18px 0 20px;
  line-height: 1.86;
  color: rgba(255, 255, 255, 0.6);
  max-width: 34em;
}

.footer-tel {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 11px 20px;
  background: rgba(255, 255, 255, 0.07);
  border: 1px solid rgba(255, 255, 255, 0.14);
  border-radius: var(--r-pill);
  color: #fff;
  font-family: var(--font-num);
  font-size: 17px;
  font-weight: 800;
}

.footer-tel:hover {
  background: rgba(255, 255, 255, 0.13);
  color: #fff;
}

.footer-tel .ico {
  width: 19px;
  height: 19px;
  color: #ffb020;
}

.footer-col__t {
  font-size: 14.5px;
  font-weight: 800;
  color: #fff;
  margin-bottom: 16px;
  letter-spacing: 0.02em;
}

.footer-links {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.footer-links a {
  color: rgba(255, 255, 255, 0.62);
  font-size: 13.8px;
  line-height: 1.6;
}

.footer-links a:hover {
  color: #fff;
}

.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  padding: 20px 0 26px;
  display: flex;
  flex-wrap: wrap;
  gap: 10px 22px;
  align-items: center;
  justify-content: space-between;
  font-size: 13px;
  color: rgba(255, 255, 255, 0.48);
}

.footer-bottom__links {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 18px;
}

.footer-bottom a {
  color: rgba(255, 255, 255, 0.56);
}

.footer-bottom a:hover {
  color: #fff;
}

/* ============================ 18 移动端电话栏 ============================ */
.tel-bar {
  display: none;
  position: fixed;
  left: 0;
  right: 0;
  bottom: 0;
  z-index: 88;
  padding: 10px 14px calc(10px + env(safe-area-inset-bottom, 0px));
  background: rgba(255, 255, 255, 0.94);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-top: 1px solid var(--line);
  box-shadow: 0 -6px 20px rgba(15, 36, 66, 0.08);
}

.tel-bar__inner {
  display: flex;
  align-items: center;
  gap: 10px;
  max-width: var(--container);
  margin: 0 auto;
}

.tel-bar__call {
  display: flex;
  align-items: center;
  gap: 10px;
  flex: 1;
  min-height: 46px;
  padding: 0 16px;
  background: var(--brand-soft);
  border-radius: var(--r-pill);
  color: var(--navy);
}

.tel-bar__call .ico {
  width: 20px;
  height: 20px;
  color: var(--amber);
  flex: none;
}

.tel-bar__label {
  display: block;
  font-size: 10.5px;
  color: var(--muted);
  line-height: 1.15;
}

.tel-bar__num {
  display: block;
  font-family: var(--font-num);
  font-size: 17px;
  font-weight: 800;
  line-height: 1.15;
}

/* ============================ 19 服务详情页 ============================ */
.breadcrumb {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 7px;
  font-size: 13.2px;
  color: var(--muted);
  padding: 14px 0 0;
}

.breadcrumb a {
  color: var(--muted);
}

.breadcrumb a:hover {
  color: var(--brand);
}

.breadcrumb .ico {
  width: 14px;
  height: 14px;
  opacity: 0.6;
}

.breadcrumb__sep {
  color: #c3cdd9;
}

.breadcrumb__current {
  color: var(--text);
  font-weight: 600;
}

/* 内容区块：标题 + 主体 */
.block-head {
  margin-bottom: clamp(24px, 3vw, 40px);
}

.block-head--center {
  text-align: center;
}

.block-head h2 {
  margin-bottom: 12px;
}

.block-head .lead {
  max-width: 62ch;
}

.block-head--center .lead {
  margin-left: auto;
  margin-right: auto;
}

/* 问题列表（我们能帮您解决什么问题） */
.problem-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(288px, 1fr));
  gap: 14px;
}

.problem-item {
  position: relative;
  display: flex;
  gap: 13px;
  align-items: flex-start;
  padding: 18px 22px 18px 20px;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--r);
  box-shadow: var(--sh-xs);
  font-size: 15.2px;
  line-height: 1.74;
  color: var(--text);
  transition: transform 0.24s var(--ease), box-shadow 0.24s var(--ease);
}

.problem-item:hover {
  transform: translateY(-3px);
  box-shadow: var(--sh-1);
}

.problem-item__mark {
  flex: none;
  width: 26px;
  height: 26px;
  border-radius: 50%;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: var(--cat-soft, var(--brand-soft));
  color: var(--cat-accent, var(--brand));
  margin-top: 1px;
}

.problem-item__mark .ico {
  width: 14px;
  height: 14px;
}

/* 服务内容清单 */
.content-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 18px;
}

.content-item {
  display: flex;
  gap: 15px;
  padding: 22px 24px;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--r);
  box-shadow: var(--sh-xs);
  transition: transform 0.26s var(--ease), box-shadow 0.26s var(--ease),
    border-color 0.26s var(--ease);
}

.content-item:hover {
  transform: translateY(-4px);
  box-shadow: var(--sh-2);
  border-color: rgba(31, 95, 168, 0.16);
}

.content-item .ico-box {
  width: 44px;
  height: 44px;
  border-radius: 13px;
  background: var(--cat-soft, var(--brand-soft));
  color: var(--cat-accent, var(--brand));
}

.content-item:hover .ico-box {
  transform: rotate(-6deg);
}

.content-item__t {
  font-size: 16px;
  font-weight: 800;
  color: var(--ink);
  margin-bottom: 6px;
}

.content-item__d {
  font-size: 14.2px;
  line-height: 1.78;
  color: var(--muted);
}

/* 适合人群 */
.audience-wrap {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 14px;
}

.audience-item {
  display: flex;
  align-items: center;
  gap: 13px;
  padding: 17px 20px;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--r);
  font-size: 15.2px;
  font-weight: 600;
  color: var(--text);
  box-shadow: var(--sh-xs);
  transition: transform 0.24s var(--ease), box-shadow 0.24s var(--ease);
}

.audience-item:hover {
  transform: translateY(-3px);
  box-shadow: var(--sh-1);
}

.audience-item .ico {
  width: 21px;
  height: 21px;
  color: var(--cat-accent, var(--brand));
  flex: none;
}

/* 免责 / 说明块 */
.notice {
  display: flex;
  gap: 14px;
  padding: 20px 22px;
  background: var(--amber-soft);
  border: 1px solid rgba(240, 140, 0, 0.22);
  border-radius: var(--r);
  font-size: 14px;
  line-height: 1.8;
  color: #7a4a00;
}

.notice .ico {
  color: #b56c00;
  flex: none;
  margin-top: 2px;
}

.notice strong {
  color: #5f3a00;
}

.notice__title {
  display: block;
  font-weight: 800;
  margin-bottom: 4px;
}

/* 相关服务 */
.related-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(268px, 1fr));
  gap: 18px;
}

/* 服务页侧栏目录 */
.toc {
  position: sticky;
  /* 页头实际高度 = 顶部细条 34px + 主导航 var(--header-h) + 1px 边框 */
  top: calc(var(--header-h) + 55px);
  padding: 22px 20px;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--r-lg);
  box-shadow: var(--sh-1);
}

.toc__title {
  font-size: 13px;
  font-weight: 800;
  letter-spacing: 0.08em;
  color: var(--muted);
  margin-bottom: 14px;
}

.toc__list {
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.toc__link {
  display: flex;
  align-items: center;
  gap: 9px;
  padding: 9px 12px;
  font-size: 14.2px;
  color: var(--text);
  border-radius: var(--r-xs);
  border-left: 2px solid transparent;
  transition: background-color 0.2s var(--ease), color 0.2s var(--ease);
}

.toc__link:hover {
  background: var(--cat-soft, var(--brand-soft));
  color: var(--cat-accent, var(--brand));
}

.toc__link.is-active {
  background: var(--cat-soft, var(--brand-soft));
  color: var(--cat-accent, var(--brand));
  border-left-color: var(--cat-accent, var(--brand));
  font-weight: 700;
}

.toc__link .ico {
  width: 15px;
  height: 15px;
  opacity: 0.7;
}

.toc__cta {
  margin-top: 18px;
  padding-top: 18px;
  border-top: 1px solid var(--line);
}

/* 两栏布局（正文 + 目录）
   注意：不能设置 align-items: start / flex-start —— 那会让侧栏高度塌陷为
   自身内容高度，内部的 position: sticky 目录就没有可滑动的空间了 */
.layout-split {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 302px;
  gap: clamp(28px, 3.4vw, 52px);
}

.layout-split__aside {
  position: relative;
}

/* ============================ 20 FAQ 手风琴 ============================ */
.faq-list {
  display: flex;
  flex-direction: column;
  gap: 12px;
  max-width: 900px;
  margin: 0 auto;
}

.faq-item {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--r);
  box-shadow: var(--sh-xs);
  overflow: hidden;
  transition: border-color 0.24s var(--ease), box-shadow 0.24s var(--ease);
}

.faq-item[open] {
  border-color: rgba(31, 95, 168, 0.24);
  box-shadow: var(--sh-1);
}

.faq-item summary {
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 19px 22px;
  font-size: 16px;
  font-weight: 700;
  color: var(--ink);
  cursor: pointer;
  list-style: none;
  transition: color 0.2s var(--ease);
}

.faq-item summary::-webkit-details-marker {
  display: none;
}

.faq-item summary:hover {
  color: var(--cat-accent, var(--brand));
}

.faq-item__q {
  flex: 1;
}

.faq-item__icon {
  flex: none;
  width: 26px;
  height: 26px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  background: var(--cat-soft, var(--brand-soft));
  color: var(--cat-accent, var(--brand));
  transition: transform 0.3s var(--ease), background-color 0.3s var(--ease);
}

.faq-item__icon .ico {
  width: 15px;
  height: 15px;
}

.faq-item[open] .faq-item__icon {
  transform: rotate(180deg);
}

.faq-item__a {
  padding: 0 22px 20px;
  font-size: 14.8px;
  line-height: 1.86;
  color: var(--muted);
  animation: faqIn 0.28s var(--ease-out);
}

@keyframes faqIn {
  from {
    opacity: 0;
    transform: translateY(-6px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* ============================ 21 搜索与筛选 ============================ */
.filter-bar {
  position: relative;
  z-index: 5;
  padding: 22px;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--r-lg);
  box-shadow: var(--sh-2);
}

.search-field {
  position: relative;
  display: flex;
  align-items: center;
}

.search-field .ico {
  position: absolute;
  left: 18px;
  width: 21px;
  height: 21px;
  color: var(--muted);
  pointer-events: none;
}

.search-field input {
  width: 100%;
  min-height: 54px;
  padding: 13px 52px 13px 52px;
  font-family: inherit;
  font-size: 16px;
  color: var(--ink);
  background: var(--bg);
  border: 1.5px solid var(--line);
  border-radius: var(--r-pill);
  transition: border-color 0.2s var(--ease), background-color 0.2s var(--ease),
    box-shadow 0.2s var(--ease);
}

.search-field input::placeholder {
  color: #98a8ba;
}

.search-field input:focus {
  outline: none;
  background: #fff;
  border-color: var(--brand);
  box-shadow: 0 0 0 4px rgba(31, 95, 168, 0.12);
}

.search-field__clear {
  position: absolute;
  right: 14px;
  width: 34px;
  height: 34px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: transparent;
  border: 0;
  border-radius: 50%;
  color: var(--muted);
  cursor: pointer;
  transition: background-color 0.2s var(--ease), color 0.2s var(--ease);
}

.search-field__clear:hover {
  background: var(--line);
  color: var(--ink);
}

.search-field__clear .ico {
  position: static;
  width: 17px;
  height: 17px;
  color: currentColor;
}

.filter-chips {
  display: flex;
  flex-wrap: wrap;
  gap: 9px;
  margin-top: 16px;
}

.filter-chip {
  padding: 8px 17px;
  font-size: 14.2px;
  font-weight: 600;
  color: var(--text);
  background: var(--bg);
  border: 1px solid var(--line);
  border-radius: var(--r-pill);
  cursor: pointer;
  transition: background-color 0.2s var(--ease), color 0.2s var(--ease),
    border-color 0.2s var(--ease), transform 0.2s var(--ease);
}

.filter-chip:hover {
  border-color: rgba(31, 95, 168, 0.32);
  color: var(--brand);
  transform: translateY(-1px);
}

.filter-chip.is-active {
  background: var(--navy);
  border-color: var(--navy);
  color: #fff;
}

.filter-result {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px;
  margin-top: 16px;
  padding-top: 16px;
  border-top: 1px solid var(--line-soft);
  font-size: 14px;
  color: var(--muted);
}

.filter-result strong {
  color: var(--brand);
  font-family: var(--font-num);
}

.filter-result__reset {
  margin-left: auto;
  background: transparent;
  border: 0;
  padding: 0;
  font-size: 14px;
  font-weight: 700;
  color: var(--brand);
  cursor: pointer;
}

.filter-result__reset:hover {
  text-decoration: underline;
}

.empty-state {
  display: none;
  padding: clamp(38px, 5vw, 66px) 24px;
  text-align: center;
  background: #fff;
  border: 1px dashed var(--line);
  border-radius: var(--r-lg);
}

.empty-state.is-visible {
  display: block;
}

.empty-state .ico-box {
  width: 66px;
  height: 66px;
  border-radius: 20px;
  margin: 0 auto 18px;
  background: var(--brand-soft);
  color: var(--brand);
}

.empty-state h3 {
  margin-bottom: 10px;
}

.empty-state p {
  color: var(--muted);
  margin-bottom: 20px;
}

/* 搜索时被隐藏的分组 */
[data-group].is-hidden {
  display: none;
}

/* ============================ 22 关于页 ============================ */
.about-story {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
  gap: clamp(28px, 4vw, 62px);
  align-items: center;
}

.about-story__text p {
  font-size: 16px;
  line-height: 1.95;
  color: var(--text);
}

.quote-block {
  position: relative;
  padding: 30px 32px 30px 40px;
  background: linear-gradient(135deg, #f2f6fd, #ffffff);
  border: 1px solid var(--line);
  border-left: 4px solid var(--brand);
  border-radius: var(--r-lg);
  font-size: clamp(16px, 1.6vw, 19px);
  font-weight: 700;
  line-height: 1.85;
  color: var(--navy);
  box-shadow: var(--sh-1);
}

.value-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 20px;
}

.value-card {
  padding: 28px 26px;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--r-lg);
  box-shadow: var(--sh-xs);
  transition: transform 0.28s var(--ease), box-shadow 0.28s var(--ease);
}

.value-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--sh-2);
}

.value-card .ico-box {
  margin-bottom: 16px;
}

.value-card h3 {
  margin-bottom: 9px;
}

.value-card p {
  font-size: 14.5px;
  line-height: 1.82;
  color: var(--muted);
}

/* 数据/事实条：只展示真实可核验的信息 */
.fact-row {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 2px;
  overflow: hidden;
  background: var(--line);
  border: 1px solid var(--line);
  border-radius: var(--r-lg);
}

.fact-cell {
  padding: 26px 24px;
  background: #fff;
  text-align: center;
}

.fact-cell__k {
  font-size: 12.5px;
  font-weight: 700;
  letter-spacing: 0.08em;
  color: var(--muted);
  margin-bottom: 8px;
}

.fact-cell__v {
  font-size: clamp(17px, 1.7vw, 21px);
  font-weight: 800;
  color: var(--navy);
  font-family: var(--font-num);
  word-break: break-all;
}

/* ============================ 23 联系页 ============================ */
.contact-hero {
  position: relative;
  overflow: hidden;
  background: linear-gradient(140deg, #0a2543 0%, #123a63 46%, #1b5a97 100%);
  color: rgba(255, 255, 255, 0.8);
  padding: clamp(40px, 5.4vw, 76px) 0 clamp(48px, 6vw, 86px);
}

.contact-hero__inner {
  position: relative;
  z-index: 2;
  max-width: 780px;
  margin: 0 auto;
  text-align: center;
}

.contact-hero h1 {
  color: #fff;
  margin-bottom: 14px;
}

.contact-hero p {
  color: rgba(255, 255, 255, 0.76);
  font-size: clamp(15.5px, 1.4vw, 17.5px);
  line-height: 1.88;
  margin-bottom: 28px;
}

.contact-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(268px, 1fr));
  gap: 20px;
}

.contact-card {
  display: flex;
  flex-direction: column;
  gap: 14px;
  padding: 30px 28px;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--r-lg);
  box-shadow: var(--sh-1);
  transition: transform 0.28s var(--ease), box-shadow 0.28s var(--ease);
}

.contact-card:hover {
  transform: translateY(-5px);
  box-shadow: var(--sh-2);
}

.contact-card--feature {
  background: linear-gradient(150deg, #f4f8fe, #ffffff);
  border-color: rgba(31, 95, 168, 0.2);
}

.contact-card .ico-box {
  width: 58px;
  height: 58px;
  border-radius: 18px;
}

.contact-card__k {
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.06em;
  color: var(--muted);
}

.contact-card__v {
  font-size: clamp(20px, 2.1vw, 26px);
  font-weight: 800;
  color: var(--navy);
  font-family: var(--font-num);
  line-height: 1.3;
  word-break: break-all;
}

.contact-card__d {
  font-size: 14.2px;
  line-height: 1.8;
  color: var(--muted);
  flex: 1;
}

/* 咨询步骤（联系页） */
.contact-steps {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 18px;
}

/* ============================ 24 404 页 ============================ */
.notfound {
  min-height: calc(100dvh - var(--header-h) - 260px);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: clamp(48px, 8vw, 110px) 0;
  background: linear-gradient(180deg, #eef3fb 0%, #ffffff 100%);
}

.notfound__inner {
  max-width: 720px;
  margin: 0 auto;
  text-align: center;
}

.notfound__code {
  font-family: var(--font-num);
  font-size: clamp(72px, 14vw, 132px);
  font-weight: 800;
  line-height: 1;
  letter-spacing: -0.04em;
  background: linear-gradient(135deg, #123a63, #1f5fa8 60%, #ffb020);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  margin-bottom: 8px;
}

.notfound h1 {
  margin-bottom: 14px;
}

.notfound p {
  font-size: clamp(15px, 1.4vw, 17px);
  color: var(--muted);
  line-height: 1.86;
  margin-bottom: 28px;
}

.notfound__suggest {
  margin-top: 34px;
  padding-top: 28px;
  border-top: 1px solid var(--line);
}

.notfound__suggest-title {
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.06em;
  color: var(--muted);
  margin-bottom: 14px;
}

/* ============================ 25 面包屑与工具 ============================ */
.to-top {
  position: fixed;
  right: 22px;
  bottom: 26px;
  z-index: 80;
  width: 46px;
  height: 46px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 50%;
  color: var(--navy);
  box-shadow: var(--sh-2);
  cursor: pointer;
  opacity: 0;
  visibility: hidden;
  transform: translateY(10px);
  transition: opacity 0.28s var(--ease), transform 0.28s var(--ease),
    visibility 0.28s var(--ease), background-color 0.2s var(--ease);
}

.to-top.is-visible {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.to-top:hover {
  background: var(--navy);
  color: #fff;
  border-color: var(--navy);
}

.to-top .ico {
  transform: rotate(-90deg);
}

/* ============================ 26 入场动画 ============================ */
/* 只在 JS 可用时启用初始隐藏，避免脚本失败导致内容不可见 */
.js-reveal [data-reveal] {
  opacity: 0;
  transform: translateY(20px);
}

.js-reveal [data-reveal].is-visible {
  opacity: 1;
  transform: none;
  transition: opacity 0.68s var(--ease-out), transform 0.68s var(--ease-out);
  transition-delay: var(--reveal-delay, 0s);
}

/* 尊重系统「减少动态效果」设置 */
@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

  *,
  *::before,
  *::after {
    animation-duration: 0.001ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.001ms !important;
  }

  .js-reveal [data-reveal] {
    opacity: 1;
    transform: none;
  }
}

/* ============================ 27 无障碍与打印 ============================ */
.visually-hidden {
  position: absolute !important;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

/* 用图标 + 文字双重表达，不只靠颜色区分状态 */
.state-ok {
  color: #0b7a70;
  font-weight: 700;
}

@media print {
  .site-header,
  .tel-bar,
  .to-top,
  .mobile-nav,
  .cta-band__actions {
    display: none !important;
  }

  /* 打印时不做滚动入场，全部内容直接可见 */
  .js-reveal [data-reveal] {
    opacity: 1 !important;
    transform: none !important;
  }

  body {
    color: #000;
  }

  .section {
    padding: 18px 0;
  }
}

/* ============================ 28 友情链接 ============================ */
/* 区块在 HTML 中默认 hidden，仅当接口成功返回数据后由 links.js 移除 */
.friend-links-section[hidden] {
  display: none;
}

.friend-links {
  list-style: none;
  margin: 0 auto;
  padding: 0;
  max-width: 960px;
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 12px;
}

.friend-links__item {
  opacity: 0;
}

.friend-links.is-loaded .friend-links__item {
  animation: friend-link-in 0.5s var(--ease-out) forwards;
  animation-delay: calc(var(--i, 0) * 55ms);
}

.friend-links__link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 10px 18px;
  font-size: 14px;
  line-height: 1.4;
  color: var(--text);
  background: var(--bg-alt);
  border: 1px solid var(--line);
  border-radius: var(--r-pill);
  box-shadow: var(--sh-xs);
  transition:
    color 0.2s var(--ease),
    border-color 0.2s var(--ease),
    background-color 0.2s var(--ease),
    transform 0.2s var(--ease);
}

.friend-links__link .ico {
  color: var(--muted);
  transition: color 0.2s var(--ease);
}

.friend-links__link:hover {
  color: var(--brand);
  background: var(--brand-soft);
  border-color: var(--brand);
  transform: translateY(-2px);
}

.friend-links__link:hover .ico {
  color: var(--brand);
}

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

@keyframes friend-link-in {
  from {
    opacity: 0;
    transform: translateY(10px);
  }

  to {
    opacity: 1;
    transform: none;
  }
}

@media (prefers-reduced-motion: reduce) {
  .friend-links__item {
    opacity: 1;
  }
}