/* =========================================================
   临空港智能汽车小镇 - 全站样式
   基于设计稿 1920px 宽度还原，H5 自适应
   ========================================================= */
:root {
  --primary: #124fca;
  --primary-dark: #0a2c8f;
  --primary-light: #3d8bff;
  --green: #17b57c;
  --text: #333;
  --text-2: #666;
  --muted: #999;
  --line: #eceef3;
  --bg-gray: #f7f8fa;
  --radius: 12px;
  --shadow: 0 8px 24px rgba(30, 60, 140, 0.08);
  --grad-title: linear-gradient(90deg, #1d4ef5 20%, #12b77f 100%);
  --grad-btn: linear-gradient(135deg, #1d4ef5, #3d8bff);
  --header-h: 96px;
}

* { margin: 0; padding: 0; box-sizing: border-box; }

/* ---------------------------------------------------------
   Bootstrap Reboot 还原
   加载顺序：bootstrap.min.css → swiper.min.css → 本文件
   Bootstrap 的 h1~h6 / p / ul / ol 等"元素选择器"优先级高于上面的
   通配重置，必须用同级元素选择器在其后覆盖，否则会破坏本站版式
   （标题字重变 500、行高变 1.2、列表出现 2rem 内缩等）
   --------------------------------------------------------- */
h1, h2, h3, h4, h5, h6 {
  margin: 0;
  font-weight: 700;
  line-height: inherit;
  color: inherit;
}
p, ul, ol, dl, dd, dt, figure, blockquote, pre, fieldset { margin: 0; }
ul, ol { padding-left: 0; list-style: none; }
a { color: inherit; text-decoration: none; }
a:hover { color: inherit; }
button { border-radius: 0; }
b, strong { font-weight: 700; }

html { -webkit-text-size-adjust: 100%; }

body {
  font-family: "Microsoft YaHei", "PingFang SC", "Helvetica Neue", Arial, sans-serif;
  color: var(--text);
  background: #fff;
  font-size: 16px;
  line-height: 1.6;
  overflow-x: hidden;
}

img { max-width: 100%; display: block; border: 0; }
a { text-decoration: none; color: inherit; transition: color .25s; }
ul, li { list-style: none; }
button { font-family: inherit; cursor: pointer; border: 0; background: none; }


.container {
  width: 100%;
  max-width: 1560px;
  margin: 0 auto;
  padding: 0 20px;
}

/* ===================== 顶部导航 ===================== */
.site-header {
  position: sticky;
  top: 0;
  z-index: 999;
  background: #fff;
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.04);
}
.header-inner {
  height: var(--header-h);
  display: flex;
  align-items: center;
  gap: 30px;
}
.logo img { height: 60px; width: auto; }

.main-nav { margin-left: auto; }
.main-nav > ul {
  display: flex;
  align-items: center;
  gap: 44px;
}
.main-nav > ul > li { position: relative; }
.main-nav > ul > li > a {
  display: block;
  font-size: 16px;
  color: var(--text);
  line-height: var(--header-h);
  position: relative;
  white-space: nowrap;
}
.main-nav > ul > li > a::after {
  content: "";
  position: absolute;
  left: 50%;
  bottom: 14px;
  transform: translateX(-50%) scaleX(0);
  width: 46px;
  height: 7px;
  border-radius: 4px;
  background: var(--primary);
  transition: transform .3s;
}
.main-nav > ul > li:hover > a,
.main-nav > ul > li.active > a { color: var(--primary); }
.main-nav > ul > li:hover > a::after,
.main-nav > ul > li.active > a::after { transform: translateX(-50%) scaleX(1); }

/* ---------- 一级导航 · 二级栏目下拉 ---------- */
.main-nav > ul > li.has-sub > a { padding-right: 16px; }

/* 下拉箭头 */
.nv-caret {
  position: absolute;
  right: 0;
  top: 50%;
  width: 7px;
  height: 7px;
  margin-top: -6px;
  border-right: 1.6px solid currentColor;
  border-bottom: 1.6px solid currentColor;
  transform: rotate(45deg);
  opacity: .7;
  transition: transform .3s, margin-top .3s;
}
.main-nav > ul > li.has-sub:hover .nv-caret,
.main-nav > ul > li.has-sub.open .nv-caret {
  transform: rotate(-135deg);
  margin-top: -2px;
}

/* 下拉面板 */
.sub-menu {
  position: absolute;
  top: 100%;
  left: 50%;
  min-width: 172px;
  padding: 10px 0;
  background: #fff;
  border: 1px solid rgba(18, 79, 202, .07);
  border-radius: 14px;
  box-shadow: 0 20px 42px rgba(20, 45, 110, .16);
  opacity: 0;
  visibility: hidden;
  transform: translate(-50%, 12px);
  transition: opacity .28s, transform .28s, visibility .28s;
  z-index: 60;
}
/* 面板顶部小三角 */
.sub-menu::before {
  content: "";
  position: absolute;
  top: -6px;
  left: 50%;
  width: 11px;
  height: 11px;
  margin-left: -5.5px;
  background: #fff;
  border-left: 1px solid rgba(18, 79, 202, .07);
  border-top: 1px solid rgba(18, 79, 202, .07);
  border-radius: 2px 0 0 0;
  transform: rotate(45deg);
}
.main-nav > ul > li.has-sub:hover > .sub-menu,
.main-nav > ul > li.has-sub:focus-within > .sub-menu,
.main-nav > ul > li.has-sub.open > .sub-menu {
  opacity: 1;
  visibility: visible;
  transform: translate(-50%, 0);
}
.sub-menu > li > a {
  display: block;
  padding: 10px 24px;
  font-size: 15px;
  color: var(--text-2);
  white-space: nowrap;
  transition: color .25s, background .25s, padding-left .25s;
}
.sub-menu > li:first-child > a { border-radius: 13px 13px 0 0; }
.sub-menu > li:last-child > a { border-radius: 0 0 13px 13px; }
.sub-menu > li > a:hover {
  color: var(--primary);
  background: #f4f7ff;
  padding-left: 30px;
}

/* 锚点定位时避开吸顶导航 */
html { scroll-behavior: smooth; scroll-padding-top: calc(var(--header-h) + 20px); }

.header-tools { display: flex; align-items: center; gap: 22px; }
.search-btn {
  width: 42px; height: 42px;
  display: inline-flex; align-items: center; justify-content: center;
  color: #333;
  border-radius: 50%;
  transition: .3s;
}
.search-btn svg { width: 21px; height: 21px; }
.search-btn:hover { background: #eef3ff; color: var(--primary); }
.search-btn.active { background: var(--primary); color: #fff; }

/* ---------- 头部搜索下拉面板 ---------- */
.search-panel {
  position: absolute;
  left: 0; right: 0;
  top: 100%;
  background: #fff;
  box-shadow: 0 18px 34px rgba(20, 45, 110, .12);
  border-top: 1px solid var(--line);
  overflow: hidden;
  max-height: 0;
  opacity: 0;
  visibility: hidden;
  transform: translateY(-10px);
  transition: max-height .38s ease, opacity .28s ease, transform .38s ease, visibility .38s;
}
.search-panel.open {
  max-height: 70vh;
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
  overflow-y: auto;
}
.search-panel .container { padding-top: clamp(18px, 1.8vw, 30px); padding-bottom: clamp(16px, 1.6vw, 26px); }

.search-form {
  display: flex;
  align-items: center;
  gap: 12px;
  height: 62px;
  padding: 0 8px 0 22px;
  border: 1px solid #dfe5f0;
  border-radius: 40px;
  background: #f7f9fc;
  transition: .3s;
}
.search-form:focus-within { border-color: var(--primary); background: #fff; box-shadow: 0 0 0 4px rgba(29, 78, 245, .08); }
.search-form .s-ico { flex: none; display: inline-flex; color: var(--primary); }
.search-form .s-ico svg { width: 21px; height: 21px; }
.search-form .s-input {
  flex: 1;
  height: 100%;
  border: 0;
  outline: 0;
  background: transparent;
  font-family: inherit;
  font-size: 15px;
  color: var(--text);
}
.search-form .s-input::placeholder { color: #a9b2c6; }
.search-form .s-go {
  flex: none;
  height: 46px;
  padding: 0 34px;
  border-radius: 30px;
  background: var(--grad-btn);
  color: #fff;
  font-size: 15px;
  letter-spacing: 2px;
  transition: .3s;
}
.search-form .s-go:hover { box-shadow: 0 8px 20px rgba(29, 78, 245, .35); }
.search-form .s-close {
  flex: none;
  width: 38px; height: 38px;
  border-radius: 50%;
  display: inline-flex; align-items: center; justify-content: center;
  color: #98a3ba;
  transition: .3s;
}
.search-form .s-close svg { width: 17px; height: 17px; }
.search-form .s-close:hover { background: #eef3ff; color: var(--primary); }

.search-hot {
  margin-top: 16px;
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 10px;
  font-size: 13.5px;
}
.search-hot .sh-label { color: var(--muted); }
.search-hot a {
  padding: 5px 16px;
  border-radius: 20px;
  background: #eef3ff;
  color: var(--primary);
  font-size: 13.5px;
  transition: .3s;
}
.search-hot a:hover { background: var(--primary); color: #fff; }

.search-sug { margin-top: 6px; }
.search-sug:empty { display: none; }
.search-sug .sug-tip { padding: 14px 4px 4px; font-size: 13.5px; color: var(--muted); }
.search-sug ul { margin-top: 6px; }
.search-sug li { border-bottom: 1px dashed var(--line); }
.search-sug li:last-child { border-bottom: 0; }
.search-sug a {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 12px 6px;
  transition: .25s;
}
.search-sug a:hover { background: #f4f7fe; }
.search-sug .sug-tag {
  flex: none;
  padding: 2px 10px;
  border-radius: 4px;
  background: #eef3ff;
  color: var(--primary);
  font-size: 12px;
}
.search-sug .sug-txt { font-size: 14.5px; color: var(--text-2); }
.search-sug a:hover .sug-txt { color: var(--primary); }
.search-sug .sug-txt em { font-style: normal; color: var(--primary); font-weight: 700; }

.phone-btn {
  display: flex;
  align-items: center;
  gap: 10px;
  min-width: 198px;
  height: 64px;
  padding: 0 22px;
  border-radius: 40px;
  background: #0041c6;
  color: #fff;
  box-shadow: 0 6px 16px rgba(29, 78, 245, 0.35);
}
.phone-btn .p-icon {
  width: 42px; height: 42px;
  border-radius: 50%;
  background: #fff;
  display: flex; align-items: center; justify-content: center;
  flex: none;
}
.phone-btn .p-icon svg { width: 20px; height: 20px;color: #002b82; }
.phone-btn .p-txt { line-height: 1.3;color: #fff; }
.phone-btn:hover .p-txt{ color: #f7f7f7; }
.phone-btn .p-txt small { display: block; font-size: 12px; opacity: .85; }
.phone-btn .p-txt b { font-size: 17px; letter-spacing: .5px; }

/* 移动端汉堡 */
.nav-toggle {
  display: none;
  width: 40px; height: 40px;
  flex-direction: column;
  justify-content: center;
  gap: 6px;
  margin-left: auto;align-items: center;
}
.nav-toggle span {
  display: block;
  width: 26px; height: 2px;
  background: var(--text);
  border-radius: 2px;
  transition: .3s;
}
.nav-toggle.open span:nth-child(1) { transform: translateY(8px) rotate(45deg); }
.nav-toggle.open span:nth-child(2) { opacity: 0; }
.nav-toggle.open span:nth-child(3) { transform: translateY(-8px) rotate(-45deg); }

/* ===================== 首页 Banner 轮播 ===================== */
.page-title {
  position: absolute;
  width: 1px;
  height: 1px;
  margin: -1px;
  padding: 0;
  overflow: hidden;
  clip: rect(0 0 0 0);
  clip-path: inset(50%);
  white-space: nowrap;
  border: 0;
}
.home-hero {
  position: relative;
  height: clamp(420px, 40vw, 1000px);
  overflow: hidden;
  background: #0a1a3c;
}
.home-hero .hero-swiper { height: 100%; }
/* Swiper 未加载（无网络/脚本失败）时的降级：只显示首屏 */
.home-hero .hero-swiper.no-swiper .swiper-wrapper { display: block; height: 100%; }
.home-hero .hero-swiper.no-swiper .hero-slide { display: none; }
.home-hero .hero-swiper.no-swiper .hero-slide:first-child { display: block; }
.home-hero .hero-swiper.no-swiper .hero-arrow,
.home-hero .hero-swiper.no-swiper .hero-dots { display: none; }
.home-hero .hero-slide {
  position: relative;
  height: 100%;
  overflow: hidden;
}
.home-hero .hero-slide::after {
  content: "";
  position: absolute; inset: 0;
  background: linear-gradient(180deg, rgba(10, 25, 60, .38), rgba(10, 25, 60, .05) 48%, rgba(10, 25, 60, .22));
  z-index: 1;
}
.home-hero .hero-bg {
  position: absolute; inset: 0;
  width: 100%; height: 100%;
  object-fit: cover;
  object-position: center 30%;
  transform: scale(1.06);
  transition: transform 7s linear;
}
.home-hero .hero-slide.swiper-slide-active .hero-bg { transform: scale(1); }
.home-hero .hero-inner {
  position: relative;
  z-index: 2;
  height: 100%;
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  padding-top: clamp(60px, 9vw, 170px);
}
.home-hero h3 {
  color: #fff;
  font-size: clamp(28px, 3.2vw, 61px);
  font-weight: 700;
  letter-spacing: 4px;
  text-shadow: 0 4px 20px rgba(0, 0, 0, 0.35);
  opacity: 0;
  transform: translateY(26px);
  transition: opacity .8s ease .18s, transform .8s ease .18s;
}
.home-hero .hero-sub {
  margin-top: clamp(12px, 1.3vw, 26px);
  color: #fff;
  font-size: clamp(14px, 1.25vw, 24px);
  letter-spacing: 2px;
  text-shadow: 0 2px 12px rgba(0, 0, 0, 0.35);
  opacity: 0;
  transform: translateY(26px);
  transition: opacity .8s ease .32s, transform .8s ease .32s;
}
.hero-btns {
  margin-top: clamp(24px, 2.6vw, 50px);
  display: flex;
  gap: 28px;
  flex-wrap: wrap;
  justify-content: center;
  opacity: 0;
  transform: translateY(26px);
  transition: opacity .8s ease .46s, transform .8s ease .46s;
}
.home-hero .hero-slide.swiper-slide-active h1,
.home-hero .hero-slide.swiper-slide-active .hero-sub,
.home-hero .hero-slide.swiper-slide-active .hero-btns { opacity: 1; transform: translateY(0); }
.hero-btns a {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  min-width: 210px;
  height: 57px;
  padding: 0 30px;
  justify-content: center;
  background: #fff;
  color: var(--primary);
  font-size: 17px;
  border-radius: 4px;
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.18);
  transition: .3s;
}
.hero-btns a .arr { transition: transform .3s; }
.hero-btns a:hover { background: var(--primary); color: #fff; transform: translateY(-2px); }
.hero-btns a:hover .arr { transform: translateX(4px); }

/* 左右切换箭头 */
.hero-arrow {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  z-index: 5;
  width: clamp(40px, 3.2vw, 58px);
  height: clamp(40px, 3.2vw, 58px);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: #fff;
  background: rgba(10, 25, 60, .34);
  border: 1px solid rgba(255, 255, 255, .8);
  box-shadow: 0 8px 22px rgba(0, 0, 0, .25);
  backdrop-filter: blur(4px);
  -webkit-backdrop-filter: blur(4px);
  transition: .3s;
}
.hero-arrow svg { width: 22px; height: 22px; }
.hero-arrow:hover { background: var(--primary); border-color: var(--primary); }
.hero-arrow.prev { left: clamp(10px, 2.6vw, 48px); }
.hero-arrow.next { right: clamp(10px, 2.6vw, 48px); }

/* 指示点（Swiper 自定义 bullet 类，避开 swiper 默认样式） */
.hero-dots {
  position: absolute;
  left: 0; right: 0;
  bottom: clamp(18px, 2.4vw, 46px);
  z-index: 5;
  display: flex;
  justify-content: center;
  gap: 10px;
}
.hero-dots .hero-dot {
  display: block;
  width: 32px;
  height: 5px;
  border-radius: 3px;
  background: rgba(255, 255, 255, .6);
  box-shadow: 0 1px 4px rgba(0, 0, 0, .35);
  cursor: pointer;
  transition: .3s;
}
.hero-dots .hero-dot:hover { background: rgba(255, 255, 255, .85); }
.hero-dots .hero-dot-active { width: 52px; background: #fff; }

/* ===================== 通用版块标题 ===================== */
.section { padding: clamp(50px, 5vw, 90px) 0; }
.sec-head { position: relative; text-align: center;  margin-bottom: clamp(30px, 3vw, 55px); }
.sec-head.align-left { text-align: left; }
.sec-title {
  position: relative;
  display: inline-block;
  font-size: clamp(26px, 2vw, 38px);
  font-weight: 700;
  background: var(--grad-title);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  letter-spacing: 2px;
}
.sec-title::before {
  content: "";
  position: absolute;
  left: -26px; top: -18px;
  width: 46px; height: 46px;
  border-radius: 50%;
  background: radial-gradient(circle at 30% 30%, rgba(61, 139, 255, .28), rgba(61, 139, 255, 0) 70%);
}
.sec-sub { margin-top: 10px; color: var(--text-2); font-size: clamp(13px, .85vw, 16px); }
.sec-sub.align-left { margin-top: 14px; }
.sec-head.align-left .sec-sub { text-align: left; }
.sec-head .sec-sub { text-align: center; }
.sec-head.align-left .sec-title::before { left: -20px; }

/* ===================== 滚动进入动画（全站） =====================
   由 js/main.js 给 <html> 加 .reveal-ready、给各区块加 .rv，
   区块滚入视口时再补 .rv-in 播放。
   若 JS 未执行 / 浏览器不支持，则完全不隐藏，安全降级。 */
.reveal-ready .rv {
  opacity: 0;
  transform: translateY(38px);
  transition:
    opacity .8s cubic-bezier(.22, .61, .36, 1) var(--rv-d, 0ms),
    transform .8s cubic-bezier(.22, .61, .36, 1) var(--rv-d, 0ms);
  will-change: opacity, transform;
}
.reveal-ready .rv.rv-in { opacity: 1; transform: none; }
/* 动画播完后由 JS 摘掉 .rv / .rv-in，把 transition / transform
   还给元素自身，避免影响后续 hover 动效（如卡片上浮）。 */

/* 系统开启「减少动态效果」时直接显示 */
@media (prefers-reduced-motion: reduce) {
  .reveal-ready .rv { opacity: 1; transform: none; transition: none; }
}
/* 打印时直接显示 */
@media print {
  .reveal-ready .rv { opacity: 1 !important; transform: none !important; }
}

/* ===================== 招商空间 ===================== */
.sec-invest {
  background: #f7f7f7;
  position: relative;
  overflow: hidden;
}

.stat-card {
  background: #fff;
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  padding: clamp(20px, 2vw, 38px) 0;
  margin-bottom: clamp(28px, 2.8vw, 52px);
}
.stat-item {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: clamp(14px, 1.4vw, 28px);
  padding: 10px clamp(10px, 1.5vw, 30px);
}
.stat-item + .stat-item { border-left: 1px solid var(--line); }
.stat-icon {
  width: clamp(72px, 6vw, 111px);
  height: clamp(72px, 6vw, 111px);
  border-radius: 50%;
  background: linear-gradient(135deg, #2f6bff, #123fb8);
  display: flex; align-items: center; justify-content: center;
  flex: none;
  box-shadow: 0 10px 22px rgba(29, 78, 245, .3);
}
.stat-icon img { width: 52%; height: 52%; object-fit: contain; filter: brightness(0) invert(1); }
.stat-txt .st-label { font-size: clamp(16px, 1.4vw, 22px);
    color: #002b82; }
.stat-txt .st-num {
  font-size: clamp(26px, 2.1vw, 40px);
  font-weight: 700;
  color: #02844a;
  line-height: 1.2;
  font-family: "DIN Alternate", "Arial", sans-serif;
}
.stat-txt .st-num small { font-size: clamp(16px, .9vw, 18px); font-weight: 400; color: #002b82; margin-left: 4px; }

.block-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: clamp(18px, 2vw, 40px);
}
.block-card {
  background: #fff;
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: clamp(12px, 1vw, 18px);
  transition: transform .3s, box-shadow .3s;
}
.block-card:hover { transform: translateY(-6px); box-shadow: 0 16px 40px rgba(30, 60, 140, .16); }
.block-card .bc-img {
  border-radius: 8px;
  overflow: hidden;
  aspect-ratio: 405 / 268;
}
.block-card .bc-img img { width: 100%; height: 100%; object-fit: cover; transition: transform .5s; }
.block-card:hover .bc-img img { transform: scale(1.06); }
.block-card .bc-info { padding: clamp(12px, 1.2vw, 22px) 4px 6px; }
.block-card .bc-info p { font-size: 16px; color: var(--text-2); line-height: 1.9; }
.block-card .bc-info p b { color: var(--text); font-weight: 600; margin-right: 6px; }
.block-card .bc-btn { padding: clamp(10px, 1vw, 18px) 4px 6px; }

/* 预约看场 / View More 胶囊按钮 */
.pill-btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  height: 50px;
  padding: 0 28px;
  border: 1px solid var(--primary);
  border-radius: 30px;
  color: var(--primary);
  font-size: 15px;
  background: #fff;
  transition: .3s;
}
.pill-btn img { height: 6px; width: auto; }
.pill-btn svg { width: 15px; height: 15px; }
.pill-btn:hover { background: var(--primary); color: #fff; }

/* ===================== 关于小镇 ===================== */
/* 背景波浪图整体上移；如需再调，改这里的第 2 个值（负数越大越靠上） */
.sec-about {
  position: relative;
  overflow: hidden;
  background: url(../images/bg01.jpg) center 0px no-repeat #fff;
}
.sec-about .watermark {
  position: absolute;
  left: 4%; top: 20%;
  font-size: clamp(90px, 11vw, 200px);
  font-weight: 700;
  color: rgba(29, 78, 245, 0.045);
  letter-spacing: 10px;
  line-height: 1;
  pointer-events: none;
  white-space: nowrap;
}
.about-grid {
  position: relative;
  display: grid;
  grid-template-columns: 46% 1fr;
  gap: clamp(24px, 3vw, 56px);
  align-items: center;
}
.about-video {
  position: relative;
  border-radius: 8px;
  overflow: hidden;
  box-shadow: var(--shadow);
}
.about-video img { width: 100%; height: auto; }
.about-video .play {
  position: absolute;
  left: 50%; top: 50%;
  transform: translate(-50%, -50%);
  width: clamp(50px, 4.5vw, 78px);
  height: clamp(50px, 4.5vw, 78px);
  border-radius: 50%;

  display: flex; align-items: center; justify-content: center;
  transition: .3s;
}
.about-video .play img { }
.about-video:hover .play { background: var(--primary-dark); transform: translate(-50%, -50%) scale(1.08); }
.about-txt p { color: var(--text-2); font-size: clamp(14px, .9vw, 16px); line-height: 2; text-align: justify; }
.circle-arrow {
  margin-top: clamp(18px, 2vw, 36px);
  width: 56px; height: 56px;
  border-radius: 50%;
  background: var(--primary);
  display: inline-flex; align-items: center; justify-content: center;
  color: #fff;
  transition: .3s;
}
.circle-arrow svg { width: 20px; height: 20px; }
.circle-arrow:hover { background: var(--primary-dark); transform: translateX(4px); }

.feat-row {
  margin-top: clamp(22px, 4.4vw, 60px);  
  gap: clamp(24px, 4vw, 76px);
  flex: 1;
    display: flex;
    align-items: center;
    justify-content: space-around;
}
.feat-item { text-align: center; }
.feat-item img { height: clamp(50px, 3.2vw, 80px); width: auto; margin: 0 auto 10px; object-fit: contain; }
.feat-item span { display: block; font-size: 15px; color: var(--text); }

/* ===================== 品牌矩阵 ===================== */
/* 底部留白单独收紧（原来跟随 .section 的 padding，下方空隙偏大）
   想改回更宽松只调这里的 clamp 第 2/3 个值即可 */
.sec-brand {
  background: var(--bg-gray);
  padding-bottom: clamp(30px, 3vw, 56px);
}
.brand-bar-wrap { display: flex;
    align-items: center;
    gap: 20px;
    margin:0 auto clamp(28px, 3vw, 56px);
    background: #fff;
    border-radius: 50px;
    box-shadow: var(--shadow); width: 80%; }
.brand-bar {
  flex: 1;  
  display: flex;
  align-items: center;
  justify-content: space-around;
  padding: clamp(12px, .6vw, 24px) clamp(10px, 1vw, 30px);
  flex-wrap: wrap;
  gap: 6px 0;
}
.brand-bar .b-item {
  display: flex;  
  align-items: center;
  gap: 10px;
  padding:  4px clamp(14px, 2vw, 35px);
  position: relative;
  transition: .3s;
}

.brand-bar .b-item img { max-height: clamp(22px, 1.8vw, 34px); width: auto; object-fit: contain; }
.brand-bar .b-item span { font-size: 15px; color: var(--text); }
.brand-bar .b-item:hover { transform: translateY(-4px); }
.brand-bar .b-item:hover span { color: var(--primary); }
.more-solid {
  flex: none;
  display: inline-flex;
  align-items: center;
  gap: 12px;
  height: 64px;
  padding: 0 44px;
  border-radius: 40px;
  background: #0041c6;
  color: #fff;
  font-size: 16px;
  box-shadow: 0 8px 20px rgba(29, 78, 245, .3);
  transition: .3s;
}
.more-solid:hover { background: var(--primary-dark); color: #fff; transform: translateY(-2px); }
.more-solid svg { width: 16px; height: 16px; }

@media(max-width: 1360px){
  .brand-bar-wrap{ width: 100%; }
}


.store-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: clamp(18px, 2vw, 40px);
  row-gap: clamp(30px, 3vw, 56px);
}
.store-card { text-align: center; }
/* display:block 必须写：.sc-img 是 <a>，默认 inline 时 aspect-ratio 与 overflow 都失效，
   图片会按 height:100% 反噬 grid 行高，把下面的 View More 顶出卡片外 */
.store-card .sc-img {
  display: block;
  border-radius: 8px;
  overflow: hidden;
  aspect-ratio: 490 / 420;
  box-shadow: var(--shadow);
}
.store-card .sc-img img { display: block; width: 100%; height: 100%; object-fit: cover; transition: transform .5s; }
.store-card:hover .sc-img img { transform: scale(1.06); }
.store-card .pill-btn { margin-top: clamp(14px, 1.4vw, 26px); }

/* ===================== 合作机制 ===================== */
/* 注意：此处必须用单类选择器 .coop-grid，若写成 .sec-coop .coop-grid
   权重(0,2,0)会高于响应式里的 .coop-grid(0,1,0)，导致移动端永远是 6 列 */
.coop-grid {
  display: grid;
  grid-template-columns: repeat(6, 1fr);
  gap: clamp(12px, 1.2vw, 22px);
}
.coop-card {
  position: relative;
  background: linear-gradient(180deg, #f2f6fc 0%, #fdfdfe 100%);
  border-radius: 8px;
  padding: clamp(16px, 1.6vw, 30px) clamp(12px, 1.2vw, 22px) clamp(40px, 4vw, 66px);
  text-align: center;
  overflow: hidden;
  transition: .3s;
}
.coop-card:hover { transform: translateY(-6px); box-shadow: var(--shadow); }
.coop-icon {
  width: clamp(72px, 6.5vw, 118px);
  height: clamp(72px, 6.5vw, 118px);
  margin: 0 auto;
  border-radius: 50%;
  background: #fff;
  box-shadow: 0 10px 24px rgba(30, 60, 140, .12);
  display: flex; align-items: center; justify-content: center;
}
.coop-icon img { width: 50%; object-fit: contain; }
.coop-title {
  display: inline-block;
  margin-top: clamp(12px, 1.2vw, 22px);
  padding: 6px 16px;
  border-radius: 20px;
  background: linear-gradient(to right, #d1dafa, #f6f8fe);
  color: #002b82;
  font-size: clamp(12px, .85vw, 16px);
  font-weight: 600;
  white-space: nowrap;
}
.coop-desc {
  margin-top: clamp(10px, 1vw, 18px);
  font-size: 13px;
  color: var(--text-2);
  line-height: 1.8;
}
.coop-num {
  position: absolute;
  left: 50%;
  transform: translateX(-50%);
  bottom: clamp(4px, .5vw, 10px);
  font-size: clamp(34px, 2.8vw, 54px);
  font-weight: 700;
  color: rgba(29, 78, 245, .08);
  line-height: 1;
  font-family: Arial, sans-serif;
}

/* ===================== 新闻资讯 ===================== */
.news-tabs {
  display: flex;
  justify-content: center;
  margin-bottom: clamp(26px, 2.6vw, 46px);
}
.news-tabs .tabs-inner {
  background: var(--bg-gray);
  border-radius: 40px;
  padding: 6px;
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
}
.news-tabs button {
  height: 50px;
  padding: 0 34px;
  border-radius: 30px;
  font-size: 15px;
  color: var(--text-2);
  transition: .3s;
}
.news-tabs button.active { background: var(--primary); color: #fff; }

.news-grid {
  display: grid;
  grid-template-columns: 1fr 1fr 1fr;
  gap: clamp(18px, 2vw, 40px);
}
.news-card {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 8px;
  overflow: hidden;
  display: flex;
  flex-direction: column;
  transition: .3s;
}
.news-card:hover { box-shadow: var(--shadow); transform: translateY(-4px); }
.news-card .nc-img { aspect-ratio: 490 / 330; overflow: hidden; }
.news-card .nc-img img { width: 100%; height: 100%; object-fit: cover; transition: transform .5s; }
.news-card:hover .nc-img img { transform: scale(1.06); }
.news-card .nc-body { padding: clamp(16px, 1.4vw, 26px); display: flex; flex-direction: column; flex: 1; }
.news-card h3 { font-size: clamp(15px, 1vw, 17px); line-height: 1.5; }
.news-card .nc-desc {
  margin-top: 10px;
  color: var(--muted);
  font-size: 13.5px;
  line-height: 1.8;
  flex: 1;
}
.news-card .nc-foot {
  margin-top: 18px;
  padding-top: 16px;
  border-top: 1px solid var(--line);
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.nc-look {
  display: inline-block;
  padding: 8px 20px;
  border-radius: 6px;
  background: #e8efff;
  color: var(--primary);
  font-size: 13px;
  transition: .3s;
}
.nc-look:hover { background: var(--primary); color: #fff; }
.nc-date { color: var(--muted); font-size: 13px; }

.news-list {
  --nl-foot-h: 62px;          /* 底部按钮区高度，滚动区据此让出空间 */
  position: relative;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 8px;
  overflow: hidden;
  min-height: 320px;
}
/* 滚动区绝对定位：高度自动跟随左侧卡片，且不会把栅格行撑高 */
.news-list .nl-scroll {
  position: absolute;
  inset: 0 0 var(--nl-foot-h) 0;
  overflow-y: auto;
  overflow-x: hidden;
  padding: clamp(16px, 1.5vw, 24px) clamp(16px, 1.5vw, 24px) 10px;
  scrollbar-width: thin;
  scrollbar-color: var(--primary) #eef1f7;
  overscroll-behavior: contain;
}
.news-list .nl-scroll::-webkit-scrollbar { width: 6px; }
.news-list .nl-scroll::-webkit-scrollbar-track { background: #eef1f7; border-radius: 6px; }
.news-list .nl-scroll::-webkit-scrollbar-thumb {
  background: var(--primary);
  border-radius: 6px;
}
.news-list .nl-scroll::-webkit-scrollbar-thumb:hover { background: var(--primary-light); }

/* 列表项：标题 + 日期，无分隔线（行距留白区分） */
.news-list .nl-item { padding: 0 0 clamp(16px, 1.5vw, 24px); }
.news-list .nl-item:last-child { padding-bottom: 6px; }
.news-list .nl-item a { display: block; }
.news-list h4 {
  font-size: 15.5px;
  font-weight: 500;
  color: var(--text);
  line-height: 1.5;
  transition: color .3s;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}
.news-list .nl-item a:hover h4 { color: var(--primary); }
.news-list time { display: block; margin-top: 8px; font-size: 13px; color: var(--muted); }

/* 底部居中的「查看详情」按钮（固定在面板底部） */
.news-list .nl-foot {
  position: absolute;
  left: 0; right: 0; bottom: 0;
  height: var(--nl-foot-h);
  padding: 0 clamp(16px, 1.5vw, 24px) clamp(14px, 1.2vw, 18px);
  display: flex;
  align-items: flex-end;
  justify-content: center;
}
.news-list .nl-more {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 108px;
  height: 38px;
  padding: 0 26px;
  border-radius: 6px;
  background: var(--primary);
  color: #fff;
  font-size: 14px;
  transition: .3s;
}
.news-list .nl-more:hover { background: var(--primary-dark); color: #fff; }
/* 滚动区底部渐隐：内容被按钮区裁断时不会出现「半个字」的硬切边 */
.news-list::after {
  content: "";
  position: absolute;
  left: 1px; right: 7px; bottom: var(--nl-foot-h);
  height: 18px;
  background: linear-gradient(180deg, rgba(255, 255, 255, 0), #fff 78%);
  pointer-events: none;
}

/* ===================== 购车服务 ===================== */
.sec-buy {
  position: relative;
  background: url(../images/bg03.jpg) top no-repeat #f7f7f7;
  overflow: hidden;
  padding:40px 0;
}
.sec-buy::after {
  content: "";
  position: absolute;
  right: -60px; top: -60px;
  width: 340px; height: 340px;
  background: radial-gradient(circle, rgba(255,255,255,.12), transparent 70%);
  border-radius: 50%;
}
.sec-buy .car-line {
  position: absolute;
  left: 50%; top: 50%;
  transform: translate(-50%, -46%);
  width: min(860px, 60vw);
  opacity: .5;
  pointer-events: none;
}
.buy-head {
  position: relative;
  z-index: 2;
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 20px;
  flex-wrap: wrap;
  margin-bottom: clamp(26px, 2.6vw, 48px);
}
.buy-head .sec-title { background: none; -webkit-text-fill-color: #fff; color: #fff; }
.buy-head .sec-title::before { background: radial-gradient(circle at 30% 30%, rgba(255,255,255,.25), transparent 70%); }
.buy-head .buy-sub { margin-top: 10px; color: rgba(255, 255, 255, .75); font-size: 15px; }
.buy-cta { display: flex; align-items: center; gap: 18px; }
.buy-cta .cta-tip {
  display: flex; align-items: center; gap: 8px;
  color: #fff; font-size: 15px;
}
.buy-cta .cta-tip svg { width: 20px; height: 20px; }
.buy-cta .cta-btn {
  display: inline-flex;
  align-items: center;
  height: 52px;
  padding: 0 40px;
  border-radius: 30px;
  background: #fff;
  color: var(--primary);
  font-size: 15px;
  font-weight: 600;
  transition: .3s;
}
.buy-cta .cta-btn:hover { transform: translateY(-2px); box-shadow: 0 10px 24px rgba(0,0,0,.2); }

.buy-grid {
  position: relative;
  z-index: 2;
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: clamp(12px, 1.6vw, 24px);
}
.buy-card {
  position: relative;
  background: linear-gradient(180deg, #d9eafd, #fbfaff, #fff);
  border-radius: 12px;
  padding: clamp(16px, 1.6vw, 30px) clamp(14px, 1.4vw, 26px) clamp(20px, 1vw, 24px);
  transition: .3s;
}
.buy-card:hover { transform: translateY(-6px); box-shadow: 0 16px 36px rgba(0, 20, 80, .35); }
.buy-card .bc-ico { width: clamp(32px, 2.4vw, 46px); }
.buy-card h3 {margin-top: clamp(20px, 1.4vw, 30px);
    font-size: clamp(15px, 1.2vw, 19px); color: var(--text); }
.buy-card p {
  margin-top: 10px;
  font-size: 14px;
  line-height: 1.8;
  color: var(--text-2);
}
.buy-arr {
  position: absolute;
  top: clamp(60px, 6vw, 110px);
  right: -30px;
  width: 34px;
  z-index: 3;
  opacity: .9;
}

/* ===================== 右侧悬浮咨询条 ===================== */
.side-float {
  position: fixed;
  right: 0px;
  top: 50%;
  transform: translateY(-50%);
  z-index: 900;
  width: 106px;
  display: none;
  flex-direction: column;
  gap: 2px;
}
.side-float .sf-top {
  background: var(--grad-btn);
  border-radius: 10px 10px 0 0;
  color: #fff;
  text-align: center;
  padding: 14px 6px 12px;
}
.side-float .sf-top img { width: 54px; margin: 0 auto 6px; }
.side-float .sf-top span { font-size: 14px; letter-spacing: 1px; }
.side-float .sf-body {
  background: #fff;
  border-radius: 0 0 10px 10px;
  box-shadow: 0 10px 30px rgba(30, 60, 140, .18);
  padding: 6px 0;
}
.side-float .sf-item {
  position: relative;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 5px;
  padding: 11px 0;
  transition: .3s;
}
.side-float .sf-item img { width: 30px; height: 30px; object-fit: contain; }
.side-float .sf-item span { font-size: 12px; color: var(--text-2); }
.side-float .sf-item:hover { background: #f2f6ff; }
.side-float .sf-item:hover span { color: var(--primary); }

/* 悬停弹层（联系电话 / 微信二维码） */
.side-float .sf-pop {
  position: absolute;
  right: calc(100% + 14px);
  top: 50%;
  transform: translate(14px, -50%);
  display: block;
  background: #fff;
  border-radius: 10px;
  box-shadow: 0 14px 34px rgba(30, 60, 140, .22);
  padding: 16px 22px;
  white-space: nowrap;
  text-align: center;
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
  transition: opacity .28s ease, transform .28s ease, visibility .28s;
}
.side-float .sf-pop::after {
  content: "";
  position: absolute;
  left: 100%;
  top: 50%;
  transform: translateY(-50%);
  border: 8px solid transparent;
  border-left-color: #fff;
}
.side-float .sf-item:hover .sf-pop,
.side-float .sf-item.pop-open .sf-pop {
  opacity: 1;
  visibility: visible;
  pointer-events: auto;
  transform: translate(0, -50%);
}
.side-float .sf-pop-phone b {
  display: block;
  font-size: 20px;
  letter-spacing: .5px;
  color: var(--primary);
  font-family: "DIN Alternate", Arial, sans-serif;
}
.side-float .sf-pop-phone small {
  display: block;
  margin-top: 6px;
  font-size: 12px;
  color: var(--muted);
}
.side-float .sf-pop-qr { padding: 14px 16px 12px; }
.side-float .sf-pop-qr img {
  width: 124px;
  height: 124px;
  margin: 0 auto;
  border-radius: 6px;
  object-fit: contain;
}
.side-float .sf-pop-qr em {
  display: block;
  margin-top: 8px;
  font-size: 12px;
  font-style: normal;
  color: var(--text-2);
}
@media (min-width: 1600px) {
  .side-float { display: flex; }
}

/* ===================== 内页 Banner / 面包屑 ===================== */
.page-banner {
  position: relative; height: 400px; display: flex; align-items: center;
  background:
    linear-gradient(180deg, rgba(1, 27, 84, .88), rgba(1, 27, 84, .68));
}
.page-banner .container { position: relative; z-index: 2; }
.page-banner h3,.page-banner h1 { color: #fff; font-size: 36px; letter-spacing: 3px; }
.page-banner .crumb { color: rgba(255, 255, 255, .75); font-size: 14px; margin-top: 10px; }
.page-banner .crumb a:hover { color: #fff; }
.page-banner .crumb b { color: #fff; font-weight: normal; }

.crumb-bar-inner .crumb {
    order: 2;
    margin-left: auto;
    text-align: right;
}


.crumb-bar { background: #fff; border-bottom: 1px solid var(--line); }
.crumb-bar-inner {
  display: flex; align-items: center; justify-content: space-between;
  gap: 14px 30px; flex-wrap: wrap; padding-top: 16px; padding-bottom: 16px;
}
.crumb-bar .crumb { font-size: 14px; color: var(--light-gray); }
.crumb-bar .crumb a { color: #666; }
.crumb-bar .crumb a:hover { color: var(--red); }
.crumb-bar .crumb i { font-style: normal; margin: 0 6px; color: #c4c4c4; }
.crumb-bar .crumb b { color: #222; font-weight: 600; }
.crumb-sub { display: flex; flex-wrap: wrap; gap: 10px; }
.crumb-sub li a {
  display: block; padding: 10px 20px; font-size: 16px; letter-spacing: .5px;
  color: #666; background: #fff; border: 1px solid #e0e0e0; border-radius: 8px; transition: all .25s;
}
.crumb-sub li a:hover { color: var(--red); border-color: var(--red); }
.crumb-sub li a.active {
  background: var(--primary);  color: #fff;
  box-shadow: 0 8px 20px rgb(171 197 209 / 28%);
}

/* ===================== 关于小镇（内页） ===================== */
.profile-title { text-align: center; margin: clamp(20px, 2.4vw, 44px) 0 clamp(30px, 3vw, 56px); position: relative; }
.profile-title h2 {
  position: relative;
  display: inline-block;
  font-size: clamp(28px, 2.2vw, 42px);
  color: var(--primary);
  letter-spacing: 3px;
}
.profile-title h2::before {
  content: "";
  position: absolute;
  left: -30px; top: -16px;
  width: 52px; height: 52px;
  border-radius: 50%;
  background: radial-gradient(circle at 32% 32%, rgba(61, 139, 255, .25), rgba(61, 139, 255, 0) 72%);
}
.profile-title h2::after {
  content: "";
  position: absolute;
  right: -34px; bottom: -10px;
  width: 44px; height: 44px;
  border-radius: 50%;
  background: radial-gradient(circle at 60% 60%, rgba(61, 139, 255, .16), rgba(61, 139, 255, 0) 72%);
}
.profile-title span {
  display: block;
  margin-top: 8px;
  font-size: 14px;
  letter-spacing: 4px;
  color: #b9c2d8;
  text-transform: uppercase;
}
.profile-grid {
  display: grid;
  grid-template-columns: 46% 1fr;
  gap: clamp(24px, 3vw, 56px);
  align-items: center;
}
.profile-grid .pg-img {
  
  overflow: hidden;
  box-shadow: var(--shadow);
}
.profile-grid .pg-img img { width: 100%; height: auto; }
.profile-grid .pg-txt p { color: var(--text-2); line-height: 2.1; text-align: justify; font-size: clamp(15px, 1.2vw, 16px); }
.profile-feats {
  margin-top: clamp(24px, 2.6vw, 48px);
  display: flex;
  gap: clamp(28px, 5vw, 96px);
  flex-wrap: wrap;
}
.profile-feats .feat-item img { height: clamp(40px, 3.2vw, 60px); }
.profile-img2 {  
  margin-left: auto;
  width: 55%;

  overflow: hidden;
  box-shadow: var(--shadow);
}
.profile-img2 img { height: auto; }

/* ===================== 基础内页组件 ===================== */
.page-sec { padding: clamp(30px, 3vw, 56px) 0 clamp(50px, 5vw, 90px); }
.news-page-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: clamp(18px, 2vw, 40px); row-gap: clamp(28px, 3vw, 48px); }

.pagination {
  margin-top: clamp(30px, 3vw, 50px);
  display: flex;
  justify-content: center;
  gap: 10px;
}
.pagination .page-link{padding:0;}
.pagination a, .pagination span {
  min-width: 42px; height: 42px;
  display: inline-flex; align-items: center; justify-content: center;
  border-radius: 6px;
  font-size: 14px;
  color: var(--text-2);
  padding: 0 12px;
  transition: .3s;
}
.pagination .current, .pagination a:hover { background: var(--primary); border-color: var(--primary); color: #fff; }

/* 联系我们 */
.contact-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: clamp(16px, 1.6vw, 30px);
  margin-bottom: clamp(30px, 3vw, 56px);
}
.contact-card {
  background: var(--bg-gray);
  border-radius: var(--radius);
  text-align: center;
  padding: clamp(24px, 2vw, 44px) 16px;
  transition: .3s;
}
.contact-card:hover { background: #eef3ff; transform: translateY(-4px); }
.contact-card .cc-ico {
  width: 64px; height: 64px;
  margin: 0 auto 16px;
  border-radius: 50%;
  background: var(--grad-btn);
  color: #fff;
  display: flex; align-items: center; justify-content: center;
  box-shadow: 0 8px 20px rgba(29, 78, 245, .3);
}
.contact-card .cc-ico svg { width: 26px; height: 26px; }
.contact-card h3 { font-size: 17px; margin-bottom: 8px; }
.contact-card p { color: var(--text-2); font-size: 16px; line-height: 1.8; }
.contact-card .cc-qr {
  margin: 2px auto 12px;
  padding: 8px;
}
.contact-card .cc-qr ul{ display: flex;justify-content: center; }
.contact-card .cc-qr ul li{ margin-right: 20px; }
.contact-card .cc-qr ul li:nth-child(2){margin-right: 0;}
.contact-card .cc-qr ul li img { display: block; width: 120px; height: auto; }
.contact-card .cc-qr ul li p{ font-size: 14px;  }

.msg-form {
  background: var(--bg-gray);
  border-radius: var(--radius);
  padding: clamp(24px, 2.6vw, 48px);
}
.msg-form h3 { font-size: 22px; margin-bottom: 24px; position: relative; padding-left: 16px; }
.msg-form h3::before {
  content: "";
  position: absolute;
  left: 0; top: 50%;
  transform: translateY(-50%);
  width: 5px; height: 22px;
  border-radius: 3px;
  background: var(--grad-btn);
}
.form-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; }
.form-item { display: flex; flex-direction: column; gap: 8px; }
.form-item.full { grid-column: 1 / -1; }
.form-item label { font-size: 14px; color: var(--text-2); }
.form-item input, .form-item textarea {
  height: 50px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #fff;
  padding: 0 16px;
  font-size: 15px;
  font-family: inherit;
  outline: none;
  transition: border-color .3s;
}
.form-item textarea { height: 140px; padding: 14px 16px; resize: vertical; }
.form-item input:focus, .form-item textarea:focus { border-color: var(--primary); }
.form-submit {
  margin-top: 24px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  height: 52px;
  padding: 0 56px;
  border-radius: 30px;
  background: var(--grad-btn);
  color: #fff;
  font-size: 16px;
  letter-spacing: 2px;
  transition: .3s;
}
.form-submit:hover { box-shadow: 0 10px 24px rgba(29, 78, 245, .35); transform: translateY(-2px); }

/* AI 助手 */
.ai-intro { text-align: center; max-width: 860px; margin: 0 auto; color: var(--text-2); line-height: 2; }
.ai-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: clamp(16px, 1.6vw, 30px); margin-top: clamp(30px, 3vw, 50px); }
.ai-card {
  background: linear-gradient(180deg, #f2f6fc, #fdfdfe);
  border-radius: var(--radius);
  padding: clamp(24px, 2.4vw, 40px) 20px;
  text-align: center;
  transition: .3s;
}
.ai-card:hover { transform: translateY(-6px); box-shadow: var(--shadow); }
.ai-card img { width: 36px; margin: 0 auto 16px; }

/* ===================== 页脚 ===================== */
.site-footer { padding: clamp(40px, 4vw, 72px) 0 0; }
.footer-top {
  display: flex;
    align-items: center;
    justify-content: space-between;
  padding-bottom: clamp(30px, 3vw, 52px);
}
.footer-logo img { width: clamp(120px, 9vw, 162px); }
.footer-nav {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
}
.foot-contact{display: flex;align-items: center;margin-top: clamp(16px, 1.5vw, 30px); padding-left:clamp(14px, 1.2vw, 32px);    justify-content: space-between;  }
.footer-nav a {
  font-size: 15px;
  color: var(--text);
  padding: 0 clamp(14px, 2vw, 32px);
  position: relative;
  font-weight: bold;
}
.footer-nav a:hover { color: var(--primary); }
.footer-nav a + a::before {
  content: "";
  position: absolute;
  left: 0; top: 50%;
  transform: translateY(-50%) skewX(-18deg);
  width: 1px; height: 14px;
  background: #c9d2e4;
}
.footer-contact {   width: 50%; }
.footer-contact li {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 14px;
  color: var(--text-2);
  padding: 5px 0;
}
.footer-contact li img { width: 18px; height: 18px; object-fit: contain; }
.footer-qr { width: clamp(84px, 6vw, 110px);margin-top:15px; }
.footer-line { border-top: 1px solid var(--line); padding: 22px 0; text-align: center; }
.footer-line p { font-size: 13px; color: var(--muted); }
.footer-line a { color: var(--muted); }
.footer-line a:hover { color: var(--primary); }

.db_ewm{display: flex;}
.db_ewm ul{ list-style: none;display: flex; }
.db_ewm ul li{margin-right: 30px;}
.db_ewm ul li .footer-qr { width: clamp(84px, 6vw, 110px);margin-top:15px; }
.db_ewm ul li p{ font-size: 14px; text-align: center; }

/* 返回顶部 */
.back-top {
  position: fixed;
  right: 18px; bottom: 40px;
  width: 46px; height: 46px;
  border-radius: 8px;
  background: #fff;
  color: var(--primary);
  box-shadow: 0 8px 24px rgba(30, 60, 140, .2);
  display: flex; align-items: center; justify-content: center;
  opacity: 0;
  visibility: hidden;
  transition: .3s;
  z-index: 899;
}
.back-top.show { opacity: 1; visibility: visible; }
.back-top svg { width: 18px; height: 18px; }

/* =========================================================
   响应式
   ========================================================= */
@media (max-width: 1560px) {
  .main-nav > ul { gap: 30px; }
}
@media (max-width: 1280px) {
  :root { --header-h: 84px; }
  .logo img { height: 52px; }
  .main-nav > ul { gap: 20px; }
  .main-nav > ul > li > a { font-size: 15px; }
  .phone-btn { min-width: 0; height: 56px; padding: 0 16px; }
  .coop-grid { grid-template-columns: repeat(3, 1fr); }
}

@media (max-width: 1024px) {
  .main-nav {
    position: fixed;
    top: var(--header-h);
    left: 0; right: 0;
    background: #fff;
    max-height: 0;
    overflow: hidden;
    transition: max-height .4s ease;
    box-shadow: 0 16px 24px rgba(0, 0, 0, .08);
    margin-left: 0;
  }
  .main-nav.open { max-height: 70vh; overflow-y: auto; }
  .main-nav > ul {
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    padding: 10px 0;
  }
  .main-nav > ul > li > a {
    line-height: 1;
    padding: 16px 26px;
    border-bottom: 1px solid var(--line);
  }
  .main-nav > ul > li > a::after { display: none; }
  .main-nav > ul > li.active > a { background: #f2f6ff; }

  /* 二级栏目：小屏折叠为手风琴列表 */
  .main-nav > ul > li.has-sub > a { padding-right: 52px; }
  .nv-caret {
    right: 26px;
    margin-top: -5px;
    opacity: 1;
  }
  .main-nav > ul > li.has-sub.open .nv-caret {
    transform: rotate(-135deg);
    margin-top: -1px;
  }
  .sub-menu {
    position: static;
    left: auto;
    min-width: 0;
    padding: 0;
    border: 0;
    border-radius: 0;
    box-shadow: none;
    background: #f5f8ff;
    opacity: 1;
    visibility: visible;
    transform: none;
    max-height: 0;
    overflow: hidden;
    transition: max-height .42s ease;
  }
  .sub-menu::before { display: none; }
  /* 抵消桌面端 hover 位移，避免触屏 hover 残留把列表左移 */
  .main-nav > ul > li.has-sub:hover > .sub-menu,
  .main-nav > ul > li.has-sub:focus-within > .sub-menu {
    transform: none;
    opacity: 1;
    visibility: visible;
  }
  .main-nav > ul > li.has-sub.open > .sub-menu {
    transform: none;
    opacity: 1;
    visibility: visible;
    max-height: 480px;
  }
  .sub-menu > li > a {
    padding: 13px 26px 13px 46px;
    font-size: 15px;
    color: var(--text-2);
    border-bottom: 1px solid var(--line);
    transition: background .25s, color .25s;
  }
  .sub-menu > li:last-child > a { border-bottom: 1px solid var(--line); }
  .sub-menu > li > a:hover,
  .sub-menu > li > a:active {
    padding-left: 46px;
    color: var(--primary);
    background: #e9f0ff;
  }

  .nav-toggle { display: flex; }
  .header-tools {  margin-left: auto; }

  /* 小屏下新闻右侧列表改为常规文档流高度 + 内部滚动 */
  .news-list { min-height: 0; --nl-foot-h: 60px; }
  .news-list .nl-scroll {
    position: static;
    flex: none;
    max-height: 420px;
    padding: clamp(16px, 1.6vw, 22px) clamp(16px, 1.6vw, 22px) 4px;
  }
  .news-list .nl-foot {
    position: static;
    height: auto;
    padding: 6px clamp(16px, 1.6vw, 22px) clamp(16px, 1.6vw, 22px);
  }

  .stat-card { grid-template-columns: 1fr; gap: 8px; }
  .stat-item + .stat-item { border-left: 0; border-top: 1px solid var(--line); padding-top: 18px; }
  .block-grid, .store-grid, .news-grid, .news-page-grid { grid-template-columns: repeat(2, 1fr); }
  .coop-grid { grid-template-columns: repeat(3, 1fr); }
  .buy-grid { grid-template-columns: repeat(3, 1fr); row-gap: 40px; }
  .buy-arr { display: none; }
  .about-grid, .profile-grid { grid-template-columns: 1fr; }
  .profile-img2 { width: 100%; }
  .brand-bar-wrap { flex-direction: column; }
  /* 平板起品牌条改 3 列网格，避免 flex 换行后分隔线错位 */
  .brand-bar {
    width: 100%;
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 4px;
    padding: 12px 10px;
    border-radius: 20px;
  }
  .brand-bar .b-item { padding: 10px 6px; }
  .brand-bar .b-item + .b-item::before { display: none; }
  .contact-grid { grid-template-columns: repeat(2, 1fr); }
  .ai-grid { grid-template-columns: repeat(2, 1fr); }

  /* 搜索面板小屏适配 */
  .search-form { height: 54px; padding-left: 18px; }
  .search-form .s-go { padding: 0 26px; }
}
@media(max-width: 991px){
   .page-banner { height: 220px; }
  .page-banner h3, .page-banner h1 { font-size: 28px; }
}

@media (max-width: 640px) {
  :root { --header-h: 68px; }
  .logo img { height: 42px; }
  .container{ padding:0 12px; }
  .phone-btn .p-txt { display: none; }
  .phone-btn { padding: 0; width: 46px; height: 46px; justify-content: center; }
  .phone-btn .p-icon { width: 32px; height: 32px; }
  .search-btn { width: 38px; height: 38px; }
  .search-btn svg { width: 19px; height: 19px; }

  /* ---------- 搜索面板 ---------- */
  .search-form { height: 50px; padding: 0 6px 0 14px; gap: 8px; }
  .search-form .s-input { font-size: 14px; }
  .search-form .s-go { height: 38px; padding: 0 18px; font-size: 14px; letter-spacing: 1px; }
  .search-form .s-close { width: 32px; height: 32px; }
  .search-hot { font-size: 12.5px; gap: 8px; }
  .search-hot a { padding: 4px 12px; font-size: 12.5px; }
  .search-sug .sug-txt { font-size: 13.5px; }
  .search-sug a { padding: 11px 4px; }

  /* ---------- Banner ---------- */
  /* 手机把 banner 抬高一些，避开首页图底部自带的字幕文字 */
  .home-hero { height: clamp(440px, 124vw, 580px); }
  .hero-arrow { width: 36px; height: 36px; }
  .hero-arrow svg { width: 17px; height: 17px; }
  .hero-dots { bottom: 14px; gap: 7px; }
  .hero-dots .hero-dot { width: 22px; }
  .hero-dots .hero-dot-active { width: 36px; }
  .hero-btns { width: 100%; margin-top: 22px; flex-direction: column; align-items: center; gap: 12px; }
  .hero-btns a { width: 100%; max-width: 280px; min-width: 0; height: 48px; font-size: 15px; padding: 0 20px; }

  /* ---------- 招商空间：统计卡压缩 ---------- */
  .stat-card { padding: 12px 0; }
  .stat-item { gap: 14px; padding: 10px 12px; }
  .stat-item + .stat-item { padding-top: 14px; }
  .stat-icon { width: 54px; height: 54px; }
   .page-banner { height: 180px; }
  .page-banner h3, .page-banner h1 { font-size: 24px; }
  .crumb-bar .crumb{ text-align: left; }

  /* ---------- 品牌矩阵：3 列整齐排布（原来 4+2 换行不齐） ---------- */
  .brand-bar {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2px;
    padding: 10px 6px;
    border-radius: 14px;
    justify-content: stretch;
  }
  .brand-bar .b-item { padding: 8px 2px; gap: 6px; justify-content: center;}
  .brand-bar .b-item span { font-size: 13px; }
  .more-solid { height: 52px; padding: 0 34px; font-size: 15px; }

  /* ---------- 合作机制：2 列（原来被挤成 6 列，文字一字一行） ---------- */
  .coop-grid { grid-template-columns: repeat(2, 1fr); gap: 10px; row-gap: 12px; }
  .coop-card { padding: 16px 10px 34px; }
  .coop-icon { width: 58px; height: 58px; }
  .coop-title { font-size: 12.5px; padding: 5px 12px; }
  .coop-desc { font-size: 12.5px; line-height: 1.7; margin-top: 8px; }
  .coop-num { font-size: 30px; }

  /* ---------- 新闻资讯：选项卡改单行横向滚动 ---------- */
  .news-tabs {
    justify-content: flex-start;
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
    scrollbar-width: none;
  }
  .news-tabs::-webkit-scrollbar { display: none; }
  .news-tabs .tabs-inner { flex-wrap: nowrap; margin: 0 auto; }
  .news-tabs button { padding: 0 22px; height: 42px; font-size: 14px; white-space: nowrap; }

  /* ---------- 购车服务：收紧图标与标题间距 ---------- */
  .buy-grid { row-gap: 14px; }
  .buy-card { padding: 18px 16px 20px; }
  .buy-card h3 { margin-top: 14px; }

  /* ---------- 其余栅格 ---------- */
  .block-grid, .store-grid, .news-grid, .news-page-grid, .buy-grid, .form-grid { grid-template-columns: 1fr; }
  .feat-row { gap: 22px; justify-content: center; }
  .footer-top { grid-template-columns: 1fr; gap: 18px;display: block; }
  .footer-logo img{ margin:0 auto; }
  .footer-nav{ margin-top:15px; }
  .footer-contact{ width: 100%; }
  .footer-qr{margin:0 auto;}
  .foot-contact{ display: block; }
 .footer-nav a { padding: 0 16px 8px 0; }
  .footer-nav a + a::before { display: none; }
  .contact-grid, .ai-grid { grid-template-columns: 1fr; }
  .sec-buy { padding-top: 46px; }
  .brand-bar-wrap{ background: none; box-shadow: none; }
  .brand-bar{ background: #fff;box-shadow: var(--shadow); }
  .site-header{ top:-1px; }
  .crumb-sub{padding:10px 0;}
}



.detail-layout {
  display: grid; grid-template-columns: minmax(0, 1fr) 330px;
  gap: 36px; align-items: start;
}
.detail-main {
  background: #fff; box-shadow: var(--shadow);
  padding: 40px 46px 36px; border-radius: var(--radius);
}
.detail-aside { position: sticky; top: 110px; }
.aside-box {
  background: #fff; box-shadow: var(--shadow); border-radius: var(--radius);
  padding: 24px 22px; margin-bottom: 24px;
}
.aside-title {
  font-size: 19px; color: #222; font-weight: 700; letter-spacing: 1px;
  padding-bottom: 14px; margin-bottom: 6px; border-bottom: 2px solid var(--line);
  position: relative;
}
.aside-title em { font-style: normal; color: var(--red); }
.aside-title::after {
  content: ""; position: absolute; left: 0; bottom: -2px; width: 56px; height: 2px;
  background: var(--red);
}
.aside-list { list-style: none; }
.aside-item { display: flex; gap: 14px; padding: 16px 0; border-bottom: 1px dashed var(--line); }
.aside-list li:last-child .aside-item { border-bottom: 0; padding-bottom: 4px; }
.aside-pic {
  flex-shrink: 0; width: 104px; aspect-ratio: 4 / 3; overflow: hidden;
  border-radius: 4px; background: var(--bg-gray);
}
.aside-pic img { width: 100%; height: 100%; object-fit: cover; transition: transform .35s; }
.aside-item:hover .aside-pic img { transform: scale(1.08); }
.aside-info { min-width: 0; display: flex; flex-direction: column; }
.aside-info time { color: var(--light-gray); font-size: 12.5px; margin-bottom: 6px; }
.aside-info p {
  color: #444; font-size: 14px; line-height: 1.65; margin: 0;
  display: -webkit-box; -webkit-line-clamp: 3; -webkit-box-orient: vertical; overflow: hidden;
  transition: color .25s;
}
.aside-item:hover .aside-info p { color: var(--red); }
.aside-hotline { background: #0338a5; }
.aside-hotline .aside-title { color: #fff; border-bottom-color: rgba(255, 255, 255, .16); }
.aside-tel {
  color: #fff; font-size: 21px; font-weight: 700; letter-spacing: .5px;
  margin: 14px 0 0; display: flex; align-items: baseline; gap: 8px;
}
.aside-tel span { font-size: 13px; font-weight: 400; color: rgba(255, 255, 255, .65); }
.aside-note {
  margin-top: 16px; padding-top: 14px; border-top: 1px dashed rgba(255, 255, 255, .18);
  color: rgba(255, 255, 255, .75); font-size: 13px; line-height: 1.8;
}
@media (max-width: 1200px) {
  .detail-layout { grid-template-columns: minmax(0, 1fr) 290px; gap: 28px; }
  .detail-main { padding: 32px 30px 30px; }
}
@media (max-width: 991px) {
  .detail-layout { grid-template-columns: 1fr; }
  .detail-aside { position: static; }
}

   
.detail-wrap { max-width: 1000px; }
.detail-title { font-size: 28px; color: #222; line-height: 1.5; text-align: center; }
.detail-meta {
  display: flex; justify-content: center; flex-wrap: wrap; gap: 12px 34px;
  color: var(--light-gray); font-size: 13.5px; margin: 22px 0 10px;
  padding-bottom: 22px; border-bottom: 1px solid var(--line);
}
.detail-body { padding-top: 10px; }
.detail-body section{ padding:10px 0 !important; }
.detail-body p { color: #555; line-height: 2.1; font-size: 15.5px;text-indent: 2em; }
.detail-body p b { color: #222; font-size: 17px; }
.detail-body img { max-width: 100%;
    border-radius: var(--radius);
    margin: 10px auto 22px;
    box-shadow: var(--shadow);}
.detail-body ul { margin: 12px 0 22px; }
.detail-body ul li {
  position: relative; padding-left: 24px; color: #555; font-size: 15px;
  line-height: 2; margin-bottom: 6px;
}
.detail-body ul li::before {
  content: ""; position: absolute; left: 2px; top: 14px; width: 8px; height: 8px;
  background: var(--red); border-radius: 2px; transform: rotate(45deg);
}
.detail-stats { display: grid !important; grid-template-columns: repeat(4, 1fr); gap: 22px; margin: 28px 0 !important; }
.detail-stats li {
  background: var(--bg-gray); border-top: 3px solid var(--red); padding: 24px 10px;
  text-align: center; list-style: none;
}
.detail-stats li::before { display: none; }
.detail-stats strong { display: block; font-size: 34px; color: var(--red); line-height: 1.2; }
.detail-stats span { font-size: 14px; color: var(--gray); }
.detail-pn {
  display: flex; justify-content: space-between; gap: 16px; flex-wrap: wrap;
  border-top: 1px solid var(--line); margin-top: 36px; padding-top: 26px;
}
.pn-item { max-width: 46%; color: #666; font-size: 14px; display: block; }
.pn-item:hover { color: var(--red); }
.pn-item i {
  display: block; font-style: normal; color: var(--light-gray); font-size: 12.5px; margin-bottom: 4px;
}
.pn-item.next { margin-left: auto; text-align: right; }
.detail-more { text-align: center; margin-top: 44px; }

.detail-body table{ width: 100%; }

 .btn-red{background:#0338a5;color:#fff;}
  .btn-red:hover{background:#032e87;box-shadow:0 6px 16px rgba(29, 78, 245, 0.35);transform:translateY(-2px); color: #fff;}
.btn-ghost{border:1.5px solid rgba(255,255,255,.7);color:#fff;}
  .btn-ghost:hover{background:rgba(255,255,255,.14);}
  .btn-ink{background:var(--ink);color:#fff;}
  .btn-ink:hover{background:var(--ink-2);}

.faq-sec { background: #fff; }
.faq-head { text-align: center; margin-bottom: 38px; }
.faq-list { max-width: 1040px; margin: 0 auto; }

.faq-item {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: #fff;
  margin-bottom: 16px;
  overflow: hidden;
  transition: box-shadow .3s ease, border-color .3s ease;
}
.faq-item:last-child { margin-bottom: 0; }
.faq-item:hover { border-color: rgba(190, 30, 29, .35); box-shadow: var(--shadow); }
.faq-item[open] { border-color: var(--red); box-shadow: var(--shadow); }

.faq-item > summary {
  display: flex; align-items: center; gap: 16px;
  padding: 22px 26px; cursor: pointer;
  list-style: none; list-style-type: none;
  font-size: 17px; font-weight: 700; color: #222; line-height: 1.55;
  transition: color .25s ease;
}
.faq-item > summary::-webkit-details-marker { display: none; }
.faq-item > summary::marker { content: ""; }
.faq-item > summary:hover { color: var(--grad-btn); }
.faq-item > summary:focus-visible { outline: 2px solid var(--red); outline-offset: -2px; }

/* 序号圆标 */
.faq-num {
  flex: none; width: 34px; height: 34px; border-radius: 50%;
  display: inline-grid; place-items: center;
  background: rgb(155 187 235 / 55%); color: #222;
  font-size: 14px; font-weight: 900; font-style: italic; letter-spacing: .5px;
  transition: background .25s ease, color .25s ease;
}
.faq-item[open] .faq-num,
.faq-item > summary:hover .faq-num { background: var(--grad-btn); color: #fff; }

.faq-q { flex: 1; }

/* 展开图标：默认「+」，展开后变「−」 */
.faq-arrow { flex: none; position: relative; width: 20px; height: 20px; }
.faq-arrow::before,
.faq-arrow::after {
  content: ""; position: absolute; left: 50%; top: 50%;
  background: #b3b3b3; transform: translate(-50%, -50%);
  transition: transform .3s ease, opacity .3s ease, background .25s ease;
}
.faq-arrow::before { width: 13px; height: 2px; }
.faq-arrow::after { width: 2px; height: 13px; }
.faq-item[open] .faq-arrow::after { opacity: 0; transform: translate(-50%, -50%) scaleY(0); }
.faq-item[open] .faq-arrow::before,
.faq-item > summary:hover .faq-arrow::before,
.faq-item > summary:hover .faq-arrow::after { background: var(--grad-btn); }

/* 答案区 */
.faq-a {
  padding: 0 26px 24px 76px;
  color: var(--gray); font-size: 15px; line-height: 1.95;
  animation: faqFade .35s ease both;
}
.faq-a p { margin: 0; }
.faq-a a { color: var(--grad-btn); font-weight: 700; }
.faq-a a:hover { text-decoration: underline; }
@keyframes faqFade {
  from { opacity: 0; transform: translateY(-6px); }
  to   { opacity: 1; transform: translateY(0); }
}

/* 底部引导 */
.faq-more {
  max-width: 1040px; margin: 30px auto 0; text-align: center;
  color: var(--gray); font-size: 14.5px;
}
.faq-more a { color: var(--grad-btn); font-weight: 700; }
.faq-more a:hover { text-decoration: underline; }

@media (max-width: 640px) {
  .faq-item > summary { font-size: 15.5px; padding: 16px 16px; gap: 12px; }
  .faq-num { width: 28px; height: 28px; font-size: 12.5px; }
  .faq-a { padding: 0 16px 18px 56px; font-size: 14px; line-height: 1.85; }
  .faq-more { font-size: 14px; margin-top: 22px; }
}