/* ==========================================================================
   官方网站样式表（峻益电子 黑红品牌风格版）
   --------------------------------------------------------------------------
   说明：
   - 配色参考 longsung.com、对齐企业 logo 黑红：主色 #c8102e、白底导航、浅灰底、
     近黑页脚，简洁干净、无花哨动画。
   - 全站通用：PC 与移动端响应式（断点 1024px / 768px / 480px），无框架。
   - 转 EyouCMS 模板时，本文件可直接作为公共样式使用。
   ========================================================================== */

/* ========== 基础变量与重置 ========== */
:root {
  --primary: #c8102e;          /* 主色：品牌红（对齐 logo 黑红） */
  --primary-dark: #96001f;     /* 主色深一档（hover / 深背景） */
  --primary-light: #fde8eb;    /* 主色浅底（hover 底 / 图标底） */
  --bg: #f6f6f6;               /* 浅灰底 */
  --card-bg: #ffffff;
  --text: #222222;             /* 标题 / 正文主色 */
  --text-2: #666666;           /* 次要文字 */
  --line: #e5e5e5;             /* 分割线 */
  --tag-blue: #c8102e;         /* 标签红（变量名保留兼容） */
  --shadow: 0 2px 10px rgba(0, 0, 0, 0.10);
  --radius: 4px;
  --container: 1200px;
  --stat-accent: #c8102e;      /* 数字条数值/图标色（品牌红） */
  --font: "Noto Sans SC", "Microsoft YaHei", "PingFang SC", "Helvetica Neue", Arial, sans-serif;
}

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

html {
  scroll-behavior: smooth;
}

body {
  font-family: var(--font);
  font-size: 14px;
  line-height: 1.7;
  color: var(--text);
  background: #fff;
  -webkit-font-smoothing: antialiased;
}

img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
ul, ol { list-style: none; }
button { font-family: inherit; cursor: pointer; border: none; background: none; }
a:focus-visible,
button:focus-visible,
input:focus-visible,
textarea:focus-visible,
select:focus-visible {
  outline: 2px solid var(--primary);
  outline-offset: 2px;
}

.container {
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 20px;
}

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

/* ========== 顶部联系条 ========== */
.topbar {
  background: var(--primary-dark);
  color: rgba(255, 255, 255, 0.9);
  font-size: 12px;
}
.topbar .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 34px;
}
.topbar a { color: #fff; }
.topbar a:hover { opacity: 0.85; }
.topbar a + a { margin-left: 18px; }
.topbar-right { white-space: nowrap; }

/* ========== 主导航（白底，参考 jeelyton） ========== */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: #fff;
  border-bottom: 1px solid var(--line);
}
.header-main {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 86px;
}
.logo {
  display: flex;
  align-items: center;
  flex: none;
}
/* 企业 logo 图片（图形自带公司名称，页头不再另配文字标识） */
.logo-mark {
  width: auto;
  max-width: none;
  height: 60px;
  object-fit: contain;
  flex-shrink: 0;
}
/* 导航撑满页头高度：链接垂直居中，选中态下划线落在页头底部 */
.main-nav { align-self: stretch; display: flex; align-items: stretch; flex: none; margin-left: auto; padding-right:50px;}
.main-nav > ul { display: flex; align-items: stretch; gap: 12px; }
.main-nav > ul > li { display: flex; }
.main-nav a {
  display: flex;
  align-items: center;
  white-space: nowrap;
  padding: 0 14px;
  font-size: 16px;
  color: var(--text);
  border-bottom: 3px solid transparent;
  transition: color 0.2s, border-color 0.2s;
}
.main-nav a:hover { color: var(--primary); }
.main-nav a.active {
  color: var(--primary);
  font-weight: 600;
  border-bottom-color: var(--primary);
}
/* 移动端菜单内的快捷联系入口（PC 端隐藏） */
.nav-contact { display: none; }

.nav-toggle {
  display: none;
  width: 40px; height: 40px;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 5px;
  border: 1px solid var(--line);
  border-radius: 4px;
}
.nav-toggle span {
  display: block;
  width: 20px;
  height: 2px;
  background: var(--primary);
  transition: transform 0.25s, opacity 0.25s;
}
.nav-toggle.open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav-toggle.open span:nth-child(2) { opacity: 0; }
.nav-toggle.open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* 语言切换（下拉）：位于主导航右侧，移动端与汉堡按钮同侧 */
.lang-switch { position: relative; display: flex; align-items: center; align-self: stretch; margin-left: 14px; }
.lang-toggle { display: flex; align-items: center; gap: 6px; height: 34px; padding: 0 10px; background: transparent; border: 0; color: var(--text-2); font-size: 14px; font-family: inherit; line-height: 1; cursor: pointer; transition: color 0.2s; }
.lang-toggle:hover { color: var(--primary); }
.lang-globe { width: 15px; height: 15px; }
.lang-caret { width: 12px; height: 12px; transition: transform 0.2s; }
.lang-switch:hover .lang-caret, .lang-switch:focus-within .lang-caret { transform: rotate(180deg); }
.lang-menu { position: absolute; top: 100%; right: 0; z-index: 130;  margin: 0; padding: 4px 0; list-style: none; background: #fff; border: 1px solid var(--line); border-radius: var(--radius); box-shadow: var(--shadow); display: none; }
.lang-switch:hover .lang-menu, .lang-switch:focus-within .lang-menu { display: block; }
.lang-menu a { display: block; padding: 8px 14px; color: var(--text); font-size: 14px; white-space: nowrap; transition: color 0.2s, background 0.2s; text-align:center; }
.lang-menu a:hover { color: var(--primary); background: var(--primary-light); }

/* 导航在 ≤1024 收起为汉堡菜单：logo 与导航字号放大后，横向已不足以并排显示 */
@media (max-width: 1024px) {
  .nav-toggle { display: flex; }
  .lang-switch { margin-left: auto; }
  .main-nav {
    position: absolute;
    top: 100%;
    left: 0; right: 0;
    background: #fff;
    border-bottom: 1px solid var(--line);
    box-shadow: 0 8px 18px rgba(0,0,0,.08);
    display: none;
    align-self: auto;
  }
  .main-nav.open { display: block; }
  .main-nav > ul { flex-direction: column; align-items: stretch; gap: 0; padding: 6px 20px 8px; }
  .main-nav > ul > li { display: block; }
  .main-nav a { display: block; padding: 12px 0; border-bottom: 1px solid var(--line); }
  .main-nav a.active { border-bottom-color: var(--primary); }
  .nav-contact {
    display: block;
    padding: 12px 20px 16px;
    font-size: 13px;
    color: var(--text-2);
  }
  .nav-contact p { margin-bottom: 4px; }
  .nav-contact a { display: inline; padding: 0; border-bottom: none; color: var(--primary); }
}

/* ========== Banner（首页大图横幅） ========== */
.hero {
  position: relative;
  background: var(--primary);
  color: #fff;
  overflow: hidden;
  /* 轮播横幅高度：按素材 1920×874 的比例铺满宽度（约屏宽的 45.5%），
     大图不再被过度裁切；min-height 兜底，保证窄屏下文字层仍能完整容纳。
     width:100% 固定宽度，避免 aspect-ratio 在 min-height 生效时反推出宽度。 */
  width: 100%;
  aspect-ratio: 1920 / 674;
  min-height: 560px;
}
.hero .container {
  position: relative;
  z-index: 3;
  padding-top: 208px;
  padding-bottom: 104px;
}
/* 轮播图 */
.hero-slider { position: relative; }
.hero-slides {
  position: absolute;
  inset: 0;
  z-index: 1;
}
.hero-slide {
  position: absolute;
  inset: 0;
  opacity: 0;
  transition: opacity 0.8s ease;
}
.hero-slide.active { opacity: 1; }
.hero-slide img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}
/* 遮罩层：确保文字可读 */
.hero-overlay {
  position: absolute;
  inset: 0;
  z-index: 2;
  background: rgba(0, 0, 0, 0.55);
}
/* 文字层 */
.hero-text {
  position: relative;
  z-index: 3;
}
/* 指示点 */
.hero-dots {
  position: absolute;
  /* 统计卡上浮 90px 压住横幅底部，指示点上移让出被覆盖区域 */
  bottom: 50px;
  left: 50%;
  transform: translateX(-50%);
  z-index: 4;
  display: flex;
  gap: 10px;
}
.hero-dots button {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  border: none;
  background: rgba(255,255,255,0.45);
  cursor: pointer;
  padding: 0;
  transition: width 0.3s, background 0.3s;
}
.hero-dots button.active {
  background: #fff;
  width: 28px;
  border-radius: 5px;
}


.hero-eyebrow {
  display: inline-block;
  font-size: 13px;
  letter-spacing: 3px;
  color: rgba(255, 255, 255, 0.9);
  border: 1px solid rgba(255, 255, 255, 0.5);
  border-radius: 30px;
  padding: 5px 18px;
  margin-bottom: 26px;
}
.hero h1 {
  font-size: 44px;
  line-height: 1.3;
  font-weight: 700;
  max-width: 760px;
}
.hero .hero-sub {
  margin-top: 18px;
  max-width: 680px;
  color: rgba(255, 255, 255, 0.88);
  font-size: 16px;
}
.hero-actions { margin-top: 38px; display: flex; gap: 14px; flex-wrap: wrap; }
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 11px 30px;
  border-radius: var(--radius);
  font-size: 15px;
  transition: background 0.2s, color 0.2s, border-color 0.2s;
}
.btn-primary { background: var(--primary); color: #fff; }
.btn-primary:hover { background: var(--primary-dark); }
.btn-outline { border: 1px solid rgba(255, 255, 255, 0.8); color: #fff; }
.btn-outline:hover { background: rgba(255, 255, 255, 0.12); }
.btn-dark { background: var(--primary); color: #fff; }
.btn-dark:hover { background: var(--primary-dark); }
.btn-sm { padding: 8px 20px; font-size: 13px; }

/* ========== 数据统计（首页数字条：白卡上浮压住轮播底部，参考 suntron 首页） ========== */
.stats { position: relative; z-index: 2; margin-top: -90px; }
.stats-card {
  background: #fff;
  box-shadow: 2px 8px 6px 0 rgba(0, 0, 0, 0.10);
  padding: 40px;
}
.stats-list { display: flex; flex-wrap: wrap; }
.stat {
  flex: 0 0 25%;
  padding: 0 24px;
  border-right: 1px solid #e8e8e8;
}
.stat:last-child { border-right: 0; }
/* 上半区：左为数值（数字 + 单位），右为图标，两端对齐 */
.stat-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
}
.stat-num {
  display: flex;
  align-items: flex-start;
  font-family: Impact, "Arial Narrow", var(--font);
  font-size: 52px;
  font-weight: 600;
  line-height: 1;
  color: var(--stat-accent);
}
.stat-num small {
  margin-left: 10px;
  font-family: var(--font);
  font-size: 30px;
  font-weight: 400;
  line-height: 1;
}
/* 文字型数值（如“代理+经销”）不套用大号数字，避免撑破单元格 */
.stat-num-word { font-size: 32px; line-height: 1.2; }
.stat-ico { flex: 0 0 auto; width: 40px; height: 40px; color: var(--stat-accent); }
.stat-ico svg { display: block; width: 100%; height: 100%; }
.stat-label { margin-top: 10px; font-size: 18px; color: #333333; line-height: 1.8; }

/* ========== 通用版块 ========== */
.section { padding: 64px 0; }
.section.bg-gray { background: #fff; }
.section-head { margin-bottom: 34px; }
.section-title {
  font-size: 28px;
  font-weight: 700;
  color: var(--text);
  position: relative;
  padding-left: 14px;
}
.section-title::before {
  content: "";
  position: absolute;
  left: 0; top: 6px;
  width: 4px;
  height: 26px;
  background: var(--primary);
  border-radius: 2px;
}
.section-desc {
  margin-top: 10px;
  color: var(--text-2);
  font-size: 14px;
  max-width: 760px;
}
.section-head.is-more { display: flex; align-items: flex-end; flex-wrap: wrap; }
.section-head.is-more .section-desc { flex-basis: 100%; }
.section-head.is-more .section-more { margin-left: auto; }
.section-more {
  display: inline-block;
  font-size: 13px;
  color: var(--primary);
  white-space: nowrap;
}
.section-more:hover { color: var(--primary-dark); }

/* ========== 首页：关于简介 ========== */
.about-intro {
  display: grid;
  grid-template-columns: 5fr 7fr;
  gap: 48px;
  align-items: center;
}
.about-intro .about-img {
  border-radius: 4px;
  overflow: hidden;
  background: var(--primary);
  color: #fff;
  min-height: 220px;
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  padding: 28px;
  position: relative;
}

.about-intro .about-img h3 { font-size: 18px; position: relative; z-index: 1; }
.about-intro .about-img p { position: relative; z-index: 1; color: rgba(255,255,255,.88); font-size: 13px; margin-top: 8px; }
.about-intro p { color:var(--text); }
.about-intro .lead {  color:var(--text); font-size: 15px; margin-bottom: 12px; line-height:32px;}
.about-intro .btn { margin-top: 20px; }

/* ========== 首页：产品中心 + 合作品牌导航（左右合并区） ========== */
.home-cat-brand {
  display: grid;
  grid-template-columns: 240px 1fr;
  gap: 24px;
  align-items: start;
}
.home-cat-brand > * { min-width: 0; }
.home-brand-nav {
  background: var(--card-bg);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 20px 18px;
  position: sticky;
  top: 100px;
}
.home-brand-nav h3 {
  font-size: 16px;
  color: var(--text);
  padding-bottom: 12px;
  margin-bottom: 6px;
  border-bottom: 2px solid var(--primary);
}
.home-brand-nav ul { list-style: none; margin: 0; padding: 0; }
.home-brand-nav li { border-bottom: 1px dashed var(--line); }
.home-brand-nav li:last-child { border-bottom: none; }
.home-brand-nav li a {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 9px 2px;
  font-size: 14px;
  color: var(--text);
  transition: color 0.2s;
}
.home-brand-nav li a:hover { color: var(--primary); }
.home-brand-nav li a em {
  font-style: normal;
  font-size: 11px;
  color: var(--text-2);
  background: var(--primary-light);
  border: 1px solid #f0d4d8;
  border-radius: 10px;
  padding: 1px 8px;
  flex: 0 0 auto;
  margin-left: 8px;
}
.brand-nav-more {
  display: block;
  margin-top: 14px;
  text-align: center;
  font-size: 13px;
  color: var(--primary);
  border: 1px solid var(--primary);
  border-radius: var(--radius);
  padding: 8px 10px;
  transition: background 0.2s, color 0.2s;
}
.brand-nav-more:hover { background: var(--primary); color: #fff; }
.home-cat-main { min-width: 0; }
.home-cat-main .section-head { margin-bottom: 22px; }

/* ========== 产品分类卡片 ========== */
.cat-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}
.cat-card {
  display: flex;
  flex-direction: column;
  background: var(--card-bg);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 0;
  transition: box-shadow 0.25s, border-color 0.25s;
  overflow: hidden;
}
.cat-card:hover {
  box-shadow: var(--shadow);
  border-color: var(--primary);
}
/* 产品分类图片区：白底，等比裁剪，占卡片上部 */
.cat-img-area {
  flex: none;
  width: 100%;
  aspect-ratio: 4 / 3;
  background: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  border-bottom: 1px solid var(--line);
}
.cat-img-area img {
  width: 100%;
  height: 100%;
  object-fit: contain;
  padding: 10px;
}
/* 旧版 cat-icon / cat-c* 颜色类保留兼容，但首页产品卡片已改用图片 */
.cat-card h3 {
  font-size: 15px;
  color: var(--text);
  text-align: center;
  padding: 14px 12px 8px;
  margin: 0;
  font-weight: 500;
}
/* VIEW MORE 白框按钮 */
.cat-card .cat-link {
  display: block;
  margin: 0 auto 18px;
  width: max-content;
  padding: 7px 22px;
  font-size: 13px;
  color: var(--text);
  border: 1px solid var(--line);
  border-radius: 2px;
  background: #fff;
  text-align: center;
}
.cat-card:hover .cat-link {
  border-color: var(--primary);
  color: var(--primary);
}

/* ========== 品牌墙（首页） ========== */
.brand-strip {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 14px;
}
.brand-item {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 18px 12px;
  text-align: center;
  font-size: 14px;
  color: var(--text);
  font-weight: 600;
  transition: border-color 0.2s, box-shadow 0.2s;
}
.brand-item:hover { border-color: var(--primary); box-shadow: var(--shadow); }
.brand-item em { font-style: normal; font-weight: 400; font-size: 12px; color: var(--text-2); display: block; margin-top: 4px; }

/* ========== 优势 / 服务卡片 ========== */
.feature-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
}
.feature-card {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 26px 22px;
  transition: box-shadow 0.25s, border-color 0.25s;
}
.feature-card:hover { border-color: var(--primary); box-shadow: var(--shadow); }
.feature-card .cat-icon { margin-bottom: 14px; }
.feature-card h3 { font-size: 16px; color: var(--text); margin-bottom: 8px; }
.feature-card p { font-size: 13px; color: var(--text-2); }

/* ========== 应用领域 ========== */
.app-grid {
  display: grid;
  grid-template-columns: repeat(6, 1fr);
  gap: 14px;
}
.app-item {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 20px 12px;
  text-align: center;
  transition: box-shadow 0.2s, border-color 0.2s;
}
.app-item:hover { border-color: var(--primary); box-shadow: var(--shadow); }
.app-item strong { display: block; font-size: 15px; color: var(--text); font-weight: 600; }
.app-item span { font-size: 12px; color: var(--text-2); }

/* ========== CTA 区块 ========== */
.cta {
  background: var(--primary-dark);
  color: #fff;
  text-align: center;
  padding: 58px 20px;
}
.cta h2 { font-size: 26px; }
.cta p { margin: 12px auto 28px; color: rgba(255,255,255,.85); max-width: 640px; }
.cta .btn-outline { border-color: #fff; }
.cta-actions { justify-content: center; }

/* ========== 内页页头（返回到横幅，参考 jeelyton 内页样式） ========== */
.page-head {
 
  color: #fff;
  padding: 48px 0 44px;
}
.page-head .container { padding: 0 15px; }

.page-head-titles h1 { font-size: 28px; font-weight: 700; }
.page-head-titles .crumbs { margin-top: 4px; font-size: 12px; color: rgba(255, 255, 255, 0.78); }
.page-head-titles .crumbs a:hover { color: #fff; }
.page-head-titles .crumbs .crumb-sep { margin: 0 8px; opacity: .6; }

/* ========== 产品中心：浅灰底 + 左分类树 + 右分类卡片网格（参考 suntron 产品列表排版） ========== */
.prod-zone {
  background: var(--bg);
  padding: 0;
}
.prod-layout {
  display: grid;
  grid-template-columns: 240px 1fr;
  gap: 28px;
  padding: 70px 0 80px;
  align-items: start;
}
.prod-content { min-width: 0; }
/* 左侧分类树：白卡 + 行高 50px + 下边框 + hover 蓝底白字 */
.prod-side {
  position: sticky;
  top: 100px;
  background: #fff;
  border: 1px solid #e5e5e5;
  box-shadow: 0 5px 20px rgba(222, 222, 222, 0.5);
  overflow: hidden;
}
.prod-side h2 {
  font-size: 17px;
  color: #222222;
  font-weight: 600;
  padding: 18px;
  border-bottom: 1px solid #e5e5e5;
}
.prod-side .prod-side-title {
  font-size: 17px;
  color: #222222;
  font-weight: 600;
  padding: 18px;
  border-bottom: 1px solid #e5e5e5;
}
.prod-side ul { margin: 0; padding: 0; }
.prod-side li { margin: 0; padding: 0; }
.prod-side a {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 50px;
  padding: 0 18px;
  border-bottom: 1px solid #e5e5e5;
  font-size: 15px;
  color: #222222;
  transition: background 0.2s, color 0.2s;
}
.prod-side li:last-child a { border-bottom: none; }
.prod-side a svg { flex: none; opacity: 0.45; transition: opacity 0.2s; }
.prod-side a:hover,
.prod-side a.on {
  background: var(--primary);
  color: #fff;
}
.prod-side a:hover svg,
.prod-side a.on svg { opacity: 1; }

/* 右侧分类卡片网格：4:3 图片 + 分隔线 + 分类名 + VIEW MORE */
.prod-cat-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}
.prod-cat-card {
  display: flex;
  flex-direction: column;
  align-items: center;
  background: #fff;
  border: 1px solid #e5e5e5;
  box-shadow: 0 5px 20px rgba(222, 222, 222, 0.5);
  overflow: hidden;
  padding-bottom: 20px;
  transition: box-shadow 0.3s;
}
.prod-cat-card:hover { box-shadow: 0 8px 28px rgba(180, 180, 180, 0.55); }
.prod-cat-media {
  display: block;
  width: 100%;
  aspect-ratio: 4 / 3;
  overflow: hidden;
  background: #fff;
}
.prod-cat-media img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.6s;
}
.prod-cat-card:hover .prod-cat-media img { transform: scale(1.1); }
.prod-cat-line {
  display: block;
  width: 100%;
  border-top: 1px solid rgba(0, 0, 0, 0.08);
  margin-top: 10px;
}
.prod-cat-title {
  margin-top: 14px;
  padding: 0 12px;
  font-size: 16px;
  color: var(--text);
  text-align: center;
}
.prod-cat-btn {
  margin-top: 12px;
  width: 120px;
  padding: 7px 0;
  text-align: center;
  font-size: 13px;
  color: #222222;
  border: 1px solid #222222;
  background: #fff;
  transition: background 0.3s, color 0.3s, border-color 0.3s;
}
.prod-cat-card:hover .prod-cat-btn {
  background: var(--primary);
  border-color: var(--primary);
  color: #fff;
}

/* 各分类品牌详情（锚点目标） */
.prod-detail {
  padding: 70px 0 90px;
}

.prod-block { scroll-margin-top: 96px; margin-bottom: 40px; }
.prod-block:last-child { margin-bottom: 0; }
.prod-block-desc { color: var(--text-2); font-size: 13px; margin-bottom: 16px; }
.prod-block-head {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  border-bottom: 2px solid var(--primary);
  padding-bottom: 10px;
  margin-bottom: 20px;
}
.prod-block-head h2 { font-size: 22px; color: var(--text); }
.prod-block-head span { font-size: 13px; color: var(--text-2); }

/* 品牌卡：logo 占位 + 名称 + 产品线（参考 jeelyton 产品/品牌卡网格） */
.prod-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
}
.brand-card {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 20px;
  transition: box-shadow 0.2s, border-color 0.2s;
}
.brand-card:hover { border-color: var(--primary); box-shadow: var(--shadow); }
.brand-card-top {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 10px;
}
.brand-logo {
  flex: none;
  width: 46px; height: 46px;
  border-radius: 4px;
  background: var(--primary-light);
  color: var(--primary);
  font-size: 20px;
  font-weight: 700;
  display: flex;
  align-items: center;
  justify-content: center;
}
/* 品牌 Logo 图片版（品牌代理页）：等比缩放，白底边框 */
.brand-logo.is-img {
  width: 68px; height: 46px;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 4px;
  padding: 4px;
  overflow: hidden;
}
.brand-logo.is-img img {
  width: 100%; height: 100%;
  object-fit: contain;
  display: block;
}
/* 品牌代理页：卡片一分为二，左侧 Logo 区 + 右侧内容区 */
.brand-card-split {
  display: flex;
  align-items: stretch;
  gap: 16px;
}
.brand-card-split .brand-card-media {
  flex: none;
  width: 116px;
  min-height: 96px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 6px;
  padding: 10px;
}
.brand-card-split .brand-card-media .brand-logo {
  width: 100%;
  aspect-ratio: 4 / 3;
  border: none;
  background: transparent;
  padding: 0;
}
.brand-card-split .brand-card-media .brand-logo.is-img {
  width: 100%;
  height: auto;
}
.brand-card-split .brand-card-body {
  flex: 1;
  min-width: 0;
  display: flex;
  flex-direction: column;
}
.brand-card-split .brand-card-top { flex-wrap: wrap; }
.brand-card-split .brand-card-body p { flex: 1; }
.brand-card-split .brand-card-body .brand-site { margin-top: auto; padding-top: 8px; }
.brand-card-top h3 { font-size: 16px; color: var(--text); font-weight: 600; }
.tag {
  font-size: 11px;
  padding: 2px 10px;
  border-radius: 3px;
  white-space: nowrap;
}
.tag-agent { background: #005C8A; color: #fff; }
.tag-dist { background: var(--primary-light); color: var(--primary); border: 1px solid #f0d4d8; }
.brand-card p { font-size: 13px; color: var(--text-2); line-height: 1.7; }
.brand-card .brand-site {
  display: inline-block;
  margin-top: 10px;
  font-size: 12px;
  color: var(--primary);
}
.brand-card .brand-site:hover { color: var(--primary-dark); }

/* ========== 品牌代理页 ========== */
.brands-body { padding: 40px 0 70px; }
/* 分类筛选标签（参考 jeelyton agent 页顶部标签） */
.filter-tabs {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-bottom: 34px;
}
.filter-tabs a {
  display: inline-block;
  padding: 7px 18px;
  font-size: 13px;
  color: var(--primary);
  border: 1px solid var(--primary);
  border-radius: 20px;
  transition: background 0.2s, color 0.2s;
}
.filter-tabs a:hover { background: var(--primary-light); }
.filter-tabs a.on { background: var(--primary); color: #fff; }
.partner-group { margin-bottom: 44px; }
.partner-group > h2 {
  font-size: 20px;
  color: var(--text);
  padding-left: 14px;
  border-left: 4px solid var(--primary);
  margin-bottom: 18px;
}
.partner-group .group-count { font-size: 13px; color: var(--text-2); font-weight: normal; margin-left: 10px; }
.brand-cat { font-size: 12px; color: var(--text-2); }

/* ========== 关于我们 ========== */
.about-section p { color: var(--text-2); margin-bottom: 12px; }
.about-section h3 { font-size: 20px; color: var(--text); margin: 28px 0 14px; }
.model-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 20px;
  margin-top: 10px;
}
.model-card {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 26px;
  transition: border-color 0.25s, box-shadow 0.25s;
}
.model-card:hover { border-color: var(--primary); box-shadow: var(--shadow); }
.model-card h4 { font-size: 17px; color: var(--text); margin-bottom: 10px; }
.model-card h4 .model-badge {
  display: inline-block;
  margin-right: 10px;
  font-size: 13px;
  color: #fff;
  background: var(--primary);
  border-radius: 3px;
  padding: 1px 8px;
  vertical-align: 2px;
}
.model-card p { font-size: 13px; color: var(--text-2); }

/* ========== 联系我们 ========== */
.contact-grid {
  display: grid;
  grid-template-columns: 5fr 7fr;
  gap: 28px;
  padding: 40px 0 70px;
  align-items: start;
}
.contact-info { background: #fff; border: 1px solid var(--line); border-radius: var(--radius); padding: 30px; }
.contact-info h2 { font-size: 20px; color: var(--text); margin-bottom: 13px; }
.contact-info li { display: flex; gap: 14px; padding: 14px 0; border-bottom: 1px dashed var(--line); }
.contact-info li:last-child { border-bottom: none; }
.contact-info .ci-icon { flex: none; width: 42px; height: 42px; display: flex; align-items: center; justify-content: center; }
.contact-info .ci-icon img { width: 22px; height: 22px; object-fit: contain; display: block; }
.contact-info .ci-label { font-size: 12px; color: var(--text-2); }
.contact-info .ci-value { font-size: 16px; color: var(--text); padding-top:5px;}
/* —— 销售业务窗口（左侧联系方式下方；参考「联系销售」写法：分隔线 + 标签：值 内联逐行） —— */
.sales-divider { margin: 26px 0 0; height: 0; border: 0; border-top: 1px solid var(--line); }
.sales-window {

  padding: 15px 5px;

}
.sales-window-head { display: flex; align-items: center; gap: 10px; }
.sales-window-head .sw-icon {
  flex: none; width: 34px; height: 34px; border-radius: 4px;
  background: var(--primary); color: #fff;
  display: flex; align-items: center; justify-content: center;
}
.sales-window-head h3 { font-size: 16px; font-weight: 700; line-height: 1.3; color: var(--primary); }
.sales-window-tip { margin: 10px 0 8px; font-size: 13px; line-height: 1.7; color: var(--text-2); }
.sales-window-list { font-size: 14px; line-height: 2; color: var(--text); }
.sales-window-list li { display: block; padding: 0; border-bottom: none; word-break: break-all; }
.sales-window-list .sw-label { color: var(--text-2); }
.sales-window-list .sw-value { color: var(--text); font-weight: 600; }
.sales-window-list .sw-name { color: var(--primary); font-weight: 700; }
.contact-form { background: #fff; border: 1px solid var(--line); border-radius: var(--radius); padding: 30px; }
.contact-form h2 { font-size: 20px; color: var(--text); margin-bottom: 20px; }
.form-row { display: grid; grid-template-columns: repeat(2, 1fr); gap: 16px; }
.form-item { margin-bottom: 16px; }
.form-item label { display: block; font-size: 13px; color: var(--text); margin-bottom: 6px; }
.form-item input,
.form-item textarea {
  width: 100%;
  padding: 10px 12px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  font-family: inherit;
  font-size: 14px;
  color: var(--text);
  background: #f6f6f6;
  transition: border-color 0.2s;
}
.form-item input:focus,
.form-item textarea:focus {
  outline: none;
  border-color: var(--primary);
  background: #fff;
}
.form-item textarea { min-height: 130px; resize: vertical; }

/* ========== 页脚（浅灰底，参考 topband） ========== */
.site-footer { background: #e8e8eb; color: #666666; font-size: 13px; line-height: 1.9; margin-top:100px;}
.site-footer:before {
    content: "";
    position: relative;
    display: block;
    left: 0;
    bottom: 0;
    width: 100%;
    height: 5px;
    background: linear-gradient(to right, #c8102e 4%, #005C8A 50%, #1b1d36 96%);
    pointer-events: none;
}
.footer-main {
  display: grid;
  grid-template-columns: 2.2fr 1.5fr 1fr 1.4fr;
  gap: 44px;
  padding: 52px 20px 44px;
}
.footer-col h3 { color: #222222; font-size: 16px; margin-bottom: 18px; position: relative; padding-bottom: 12px; }
.footer-col h3::after { content: ""; position: absolute; left: 0; bottom: 0; width: 30px; height: 2px; background: var(--primary); }
.footer-col p { line-height: 2; }
.footer-col ul { list-style: none; }
.footer-col a { line-height: 2.2; display: block; color: #666666; transition: color .2s; }
.footer-col a:hover { color: #c8102e; }
.footer-contact li { line-height: 2.2; color: #666666; }
.footer-bottom {
  border-top: 1px solid #e8e8eb;
  background: #fff;
}
.footer-legal {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  align-items: center;
  gap: 6px 26px;
  padding: 16px 20px;
  font-size: 12px;
  color: #999999;
}

/* ========== 移动端底部快捷条（PC 隐藏，参考 jeelyton 移动导航） ========== */
.mobile-bar { display: none; }

/* 移动端产品分类快速跳转条（PC 隐藏） */
.cat-scroll { display: none; }

@media (max-width: 768px) {
  .cat-scroll {
    display: flex;
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
    gap: 8px;
    padding-bottom: 6px;
    margin-bottom: 4px;
    scrollbar-width: none;
  }
  .cat-scroll::-webkit-scrollbar { display: none; }
  .cat-scroll a {
    flex: none;
    padding: 6px 14px;
    font-size: 13px;
    color: var(--text-2);
    background: #fff;
    border: 1px solid var(--line);
    border-radius: 20px;
  }
  .cat-scroll a:active { color: var(--primary); border-color: var(--primary); }
}

/* 统计条：1025–1200 视口下 4 列单元格偏窄，数值/图标等比收小避免挤压换行 */
@media (max-width: 1200px) {
  .stats-card { padding: 32px; }
  .stat { padding: 0 18px; }
  .stat-num { font-size: 44px; }
  .stat-num small { font-size: 24px; }
  .stat-num-word { font-size: 26px; }
  .stat-ico { width: 34px; height: 34px; }
}

/* ========== 响应式 ========== */
@media (max-width: 1024px) {
  .cat-grid { grid-template-columns: repeat(2, 1fr); }
  .feature-grid { grid-template-columns: repeat(2, 1fr); }
  .app-grid { grid-template-columns: repeat(3, 1fr); }
  .brand-strip { grid-template-columns: repeat(4, 1fr); }
  .footer-main { grid-template-columns: repeat(2, 1fr); }
  .hero h1 { font-size: 36px; }
  .prod-grid { grid-template-columns: repeat(2, 1fr); }
  .prod-cat-grid { grid-template-columns: repeat(2, 1fr); }
  .home-cat-brand { grid-template-columns: 200px 1fr; gap: 18px; }
  .home-brand-nav { padding: 16px 14px; }
  /* 品牌代理页两栏卡片：两列网格下收窄 Logo 区 */
  .brand-card-split { gap: 14px; }
  .brand-card-split .brand-card-media { width: 96px; min-height: 84px; padding: 8px; }
  .prod-side { display: none; }
  /* 统计条：≤1024 改两列两行（4 列在该宽度下数值会换行挤压），并恢复大号数值 */
  .stats-list { row-gap: 20px; }
  .stat { flex: 0 0 50%; padding: 0 20px; border-right: 0; }
  .stat-num { font-size: 52px; }
  .stat-num small { font-size: 30px; }
  .stat-num-word { font-size: 32px; }
  .stat-ico { width: 40px; height: 40px; }
}

@media (max-width: 768px) {
  .topbar .container { height: auto; padding: 6px 20px; flex-wrap: wrap; gap: 4px; }
  .topbar-right { display: none; }
.header-main { height: 68px; }
  .logo-mark { width: auto; height: 48px; }

.hero .container { padding-top: 54px; padding-bottom: 64px; }
  .hero { min-height: 470px; }
  .hero h1 { font-size: 28px; }
  .hero .hero-sub { font-size: 14px; }
  .stats { margin-top: -20px; }
  .stats-card { padding: 20px 10px; }
  .stats-list { row-gap: 16px; }
  .stat { flex: 0 0 50%; padding: 0 12px; border-right: 0; }
  .stat-num { font-size: 28px; }
  .stat-num small { font-size: 14px; }
  .stat-num-word { font-size: 20px; }
  .stat-ico { width: 20px; height: 20px; }
  .stat-label { margin-top: 6px; font-size: 14px; }
  .hero-dots { bottom: 44px; }
  .section { padding: 46px 0; }
  .section-title { font-size: 23px; }
  .section-head { margin-bottom: 26px; }

  .page-head { padding: 26px 0 24px; }
  .page-head-titles h1 { font-size: 22px; }

  .about-intro { grid-template-columns: 1fr; gap: 24px; }
  .cat-grid { grid-template-columns: repeat(2, 1fr); gap: 14px; }
  .cat-grid { grid-template-columns: 1fr; }
  .feature-grid { grid-template-columns: 1fr; }
  .app-grid { grid-template-columns: repeat(2, 1fr); }
  .brand-strip { grid-template-columns: repeat(3, 1fr); }

  /* 首页合并区：移动端上下堆叠，品牌导航转横向滚动 */
  .home-cat-brand { grid-template-columns: 1fr; gap: 20px; }
  .home-brand-nav {
    position: static;
    padding: 14px 0 2px;
    border: 0;
    border-radius: 0;
    background: transparent;
  }
  .home-brand-nav h3 {
    display: inline-block;
    border-bottom: 2px solid var(--primary);
    margin-bottom: 10px;
    padding-bottom: 6px;
  }
  .home-brand-nav ul {
    display: flex;
    gap: 8px;
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
    padding-bottom: 6px;
  }
  .home-brand-nav li {
    flex: 0 0 auto;
    border-bottom: none;
  }
  .home-brand-nav li a {
    white-space: nowrap;
    padding: 7px 12px;
    border: 1px solid var(--line);
    border-radius: 20px;
    background: #fff;
    font-size: 13px;
  }
  .home-brand-nav li a:hover { border-color: var(--primary); }
  .home-brand-nav li a em {
    margin-left: 6px;
    padding: 0 6px;
  }
  .brand-nav-more {
    display: inline-block;
    margin: 8px 4px 2px;
    padding: 6px 14px;
  }

  .prod-layout { grid-template-columns: 1fr; gap: 20px; padding: 24px 0 50px; }
  .prod-side { position: static; display: none; }
  .prod-grid { grid-template-columns: repeat(2, 1fr); }
  .prod-cat-grid { grid-template-columns: repeat(2, 1fr); gap: 14px; }
  .prod-detail { padding: 50px 0 60px; }
  .brands-body { padding: 26px 0 50px; }
  .footer-main { grid-template-columns: 1fr; gap: 28px; padding: 36px 20px 28px; }
.contact-grid { grid-template-columns: 1fr; gap: 24px; padding: 24px 0 50px; }
  .sales-window { margin-top: 20px; padding: 16px; }
  .form-row { grid-template-columns: 1fr; }
  .model-grid { grid-template-columns: 1fr; }

  /* 移动端底部快捷条 */
  body { padding-bottom: 54px; }
  .mobile-bar {
    display: flex;
    position: fixed;
    left: 0; right: 0; bottom: 0;
    z-index: 200;
    background: #fff;
    border-top: 1px solid var(--line);
  }
  .mobile-bar a {
    flex: 1;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 3px;
    padding: 8px 0 7px;
    font-size: 11px;
    color: var(--text-2);
  }
  .mobile-bar a.on,
  .mobile-bar a:active { color: var(--primary); }
  .mobile-bar svg { width: 20px; height: 20px; }
  .mobile-bar a.mb-tel { color: var(--primary); font-weight: 600; }
}

@media (max-width: 480px) {
  .hero { min-height: 560px; }
  .cat-grid { grid-template-columns: 1fr; }
  .app-grid { grid-template-columns: 1fr 1fr; }
  .brand-strip { grid-template-columns: repeat(2, 1fr); }
  .hero-actions .btn { width: 100%; }
  .prod-grid { grid-template-columns: 1fr; }
  .prod-cat-grid { grid-template-columns: 1fr; }
  /* 单列卡片下 Logo 区适度加宽，右侧内容仍有足够空间 */
  .brand-card-split { gap: 12px; }
  .brand-card-split .brand-card-media { width: 88px; min-height: 80px; padding: 6px; }
}

/* 320px 级极窄屏：统计卡字号进一步收小，避免换行错版 */
@media (max-width: 380px) {
  .stat { padding: 0 8px; }
  .stat-top { gap: 8px; }
  .stat-num { font-size: 24px; }
  .stat-num small { font-size: 12px; }
  .stat-num-word { font-size: 16px; }
  .stat-ico { width: 18px; height: 18px; }
  .app-grid { grid-template-columns: 1fr; }
  .brand-strip { grid-template-columns: repeat(2, 1fr); }
  .prod-grid { grid-template-columns: 1fr; }
}

/* ---------- 产品分类详情页 ---------- */
.cat-detail-zone {
  background: var(--bg);
  padding: 0;
}
.cat-detail-layout {
  display: grid;
  grid-template-columns: 240px 1fr;
  gap: 28px;
  padding: 70px 0 80px;
  align-items: start;
}
.cat-detail-content {
  min-width: 0;
}

/* 上方产品介绍：左文右图 */
.cat-detail-intro {
  display: grid;
  grid-template-columns: 1fr 320px;
  gap: 30px;
  background: #fff;
  border: 1px solid #e5e5e5;
  box-shadow: 0 5px 20px rgba(222, 222, 222, 0.5);
  padding: 30px;
  margin-bottom: 30px;
}
.cat-detail-title {
  font-size: 26px;
  color: #272941;
  font-weight: 600;
  margin-bottom: 16px;
  line-height: 1.3;
}
.cat-detail-desc {
  font-size: 15px;
  color: #666666;
  line-height: 1.8;
  margin-bottom: 12px;
}
.cat-detail-meta {
  font-size: 13px;
  color: var(--primary);
  font-weight: 500;
  padding: 8px 14px;
  background: var(--primary-light);
  border-radius: 4px;
  display: inline-block;
}
.cat-detail-img {
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 4px;
  overflow: hidden;
}
.cat-detail-img img {
  display: block;
  width: 100%;
  height: auto;
  max-height: 240px;
  object-fit: contain;
}

/* 下方品牌区域 */
.cat-detail-brands {
  background: #fff;
  border: 1px solid #e5e5e5;
  box-shadow: 0 5px 20px rgba(222, 222, 222, 0.5);
  padding: 30px;
}
.cat-detail-section-title {
  font-size: 20px;
  color: #222222;
  font-weight: 600;
  margin-bottom: 24px;
  padding-bottom: 12px;
  border-bottom: 2px solid var(--primary);
  display: inline-block;
}
.cat-brand-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}
.cat-brand-card {
  display: flex;
  flex-direction: column;
  background: #fff;
  border: 1px solid #e5e5e5;
  border-radius: 6px;
  overflow: hidden;
  transition: box-shadow 0.3s, transform 0.3s;
  padding-bottom: 16px;
}
.cat-brand-card:hover {
  box-shadow: 0 8px 28px rgba(180, 180, 180, 0.55);
  transform: translateY(-2px);
}
.cat-brand-logo {
  display: flex;
  align-items: center;
  justify-content: center;
  height: 200px;
  padding: 15px;
}

.cat-brand-logo img {
  display: block;
  max-width: 100%;
  max-height: 200px;
  object-fit: contain;
}
.cat-brand-logo.no-img {
  background: var(--primary);
}
.cat-brand-logo.no-img span {
  font-size: 36px;
  font-weight: 700;
  color: #fff;
}
.cat-brand-body {
  padding: 16px 18px 0;
  flex: 1;
  display: flex;
  flex-direction: column;
}
.brand-site {
  display: inline-block;
  margin-top: 14px;
  font-size: 14px;
  color: #005C8A;
  text-decoration: none;
}
.brand-site:hover {
  text-decoration:underline;
  color: var(--primary);
}

.cat-brand-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 10px;
}
.cat-brand-top h3 {
  font-size: 16px;
  color: #222222;
  font-weight: 600;
}
.cat-brand-lines {
  font-size: 13px;
  color: #666;
  line-height: 1.8;
  margin-bottom: 12px;
  flex: 1;
}

/* 导航下拉菜单 */
.has-dropdown {
  position: relative;
}
.has-dropdown > a::after {
  content: "";
  display: inline-block;
  width: 0;
  height: 0;
  margin-left: 6px;
  vertical-align: middle;
  border-top: 4px solid currentColor;
  border-right: 4px solid transparent;
  border-left: 4px solid transparent;
}
.dropdown {
  position: absolute;
  top: 100%;
  left: 50%;
  background: #fff;
  min-width: 180px;
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.12);
  border-radius: 4px;
  opacity: 0;
  visibility: hidden;
  transform: translateX(-50%) translateY(-4px);
  transition: all 0.25s ease;
  z-index: 200;
  padding: 8px 0;
}
.has-dropdown:hover .dropdown {
  opacity: 1;
  visibility: visible;
  transform: translateX(-50%) translateY(0);
}
.dropdown li a {
  display: block;
  padding: 10px 18px;
  font-size: 14px;
  color: #222222;
  transition: background 0.2s, color 0.2s;
  text-align:center;
}
.dropdown li a:hover {
  background: var(--primary-light);
  color: var(--primary);
}

/* 响应式 */
@media (max-width: 1024px) {
  .cat-detail-layout {
    grid-template-columns: 1fr;
  }
  .cat-detail-intro {
    grid-template-columns: 1fr 260px;
  }
  .cat-brand-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .prod-side { display: none; }
}

@media (max-width: 768px) {
  .cat-detail-layout {
    padding: 40px 0 50px;
  }
  .cat-detail-intro {
    grid-template-columns: 1fr;
    gap: 20px;
  }
  .cat-detail-img {
    max-width: 280px;
    margin: 0 auto;
  }
  .cat-detail-brands {
    padding: 24px 20px;
  }
  .cat-brand-grid {
    grid-template-columns: 1fr;
  }
  .cat-detail-title {
    font-size: 22px;
  }
  .dropdown {
    display: none;
  }
}

/* 品牌咨询留言表单 */
.brand-inquiry-form .form-row {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 16px;
}
.brand-inquiry-form .form-item {
  margin-bottom: 0;
}
.brand-inquiry-form .form-item-full {
  grid-column: 1 / -1;
}
.brand-inquiry-form .form-item label {
  display: block;
  font-size: 13px;
  color: var(--text);
  margin-bottom: 6px;
}
.brand-inquiry-form .form-item input,
.brand-inquiry-form .form-item textarea {
  width: 100%;
  padding: 10px 12px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  font-family: inherit;
  font-size: 14px;
  color: var(--text);
  background: #f6f6f6;
  transition: border-color 0.2s;
}
.brand-inquiry-form .form-item input:focus,
.brand-inquiry-form .form-item textarea:focus {
  outline: none;
  border-color: var(--primary);
  background: #fff;
}
.brand-inquiry-form .form-item textarea {
  min-height: 130px;
  resize: vertical;
}
.form-actions {
  display: flex;
  gap: 12px;
  margin-top: 20px;
  flex-wrap: wrap;
}
.form-actions .btn-outline {
  border-color: var(--primary);
  color: var(--primary);
}
.form-actions .btn-outline:hover {
  background: var(--primary);
  color: #fff;
}

/* 响应式 */
@media (max-width: 768px) {
  .brand-inquiry-form .form-row {
    grid-template-columns: 1fr;
  }
}

/* ===================== 品牌详情页 ===================== */
.breadcrumb {

  padding: 14px 0;
  font-size: 14px;
  color: #666666;
}
.breadcrumb .container {
  display: flex;
  align-items: center;
  gap: 6px;
  flex-wrap: wrap;
}
.breadcrumb a {
  color: #666;
  text-decoration: none;
}
.breadcrumb a:hover { color: var(--primary); }
.breadcrumb .sep { color: #bbb; }
.breadcrumb .current { color: #222222; font-weight: 600; }

.brand-detail-zone {
  background: #FFFFFF;
  padding: 0;
}
.brand-detail-layout {
  display: grid;
  grid-template-columns: 240px 1fr;
  gap: 28px;
  align-items: start;
  padding: 70px 0 80px;
}
.brand-side .prod-side { position: sticky; top: 16px; }

/* 左侧品牌导航 */
.brand-nav-group {
  border-bottom: 1px solid #e5e5e5;
}
.brand-nav-group:last-child { border-bottom: none; }
.brand-nav-cat {
  font-size: 14px;
  font-weight: 700;
  color: #222222;
  padding: 12px 16px 6px;
  margin: 0;
}
.brand-nav-group ul {
  list-style: none;
  margin: 0;
  padding: 0;
}
.brand-nav-group li a {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 10px 14px;
  font-size: 14px;
  color: #666666;
  text-decoration: none;
  border-bottom: 1px solid #f0f0f0;
  transition: all .2s;
}
.brand-nav-group li:last-child a { border-bottom: none; }
.brand-nav-group li a:hover,
.brand-nav-group li a.on {
  background: var(--primary);
  color: #fff;
  border-color: var(--primary);
}
.brand-nav-group li a.on .brand-nav-tag {
  background: rgba(255,255,255,.25);
  color: #fff;
}
.brand-nav-tag {
  font-size: 11px;
  padding: 2px 6px;
  border-radius: 3px;
  background: #fdeef0;
  color: var(--primary);
  font-weight: 600;
}
.brand-nav-group li a:hover .brand-nav-tag {
  background: rgba(255,255,255,.25);
  color: #fff;
}

/* 右侧内容列：允许在 grid 中被压缩，避免长内容横向溢出 */
.brand-detail-content { min-width: 0; }

/* 右侧上方 */
.brand-detail-intro {
  background: #fff;
  border-radius: 6px;
  box-shadow: 0 2px 10px rgba(0,0,0,.06);
  padding: 30px;
  display: grid;
  grid-template-columns: 1fr 220px;
  gap: 28px;
  margin-bottom: 20px;
}
.brand-detail-title {
  font-size: 24px;
  font-weight: 700;
  color: #222222;
  margin: 0 0 12px;
  display: flex;
  align-items: center;
  gap: 10px;
  flex-wrap: wrap;
}
.brand-detail-logo-wrap {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 12px;
}
.brand-detail-logo-wrap .brand-site { margin-top: 0; text-align: center; }
.brand-detail-logo-wrap .brand-detail-logo { width: 100%; }
.brand-detail-lines {
  font-size: 15px;
  color: #666666;
  line-height: 1.7;
  margin: 0 0 10px;
}
.brand-detail-cat {
  font-size: 14px;
  color: #777;
  margin: 0 0 14px;
}
.brand-detail-cat a {
  color: var(--primary);
  text-decoration: none;
}
.brand-detail-cat a:hover { text-decoration: underline; }
.brand-detail-logo {
  display: flex;
  align-items: center;
  justify-content: center;

  border-radius: 8px;
 
  min-height: 120px;
}
.brand-detail-logo img {
  max-width: 100%;

  object-fit: contain;
}
.brand-detail-logo.no-img {
  background: var(--primary);
}
.brand-detail-logo.no-img span {
  font-size: 48px;
  font-weight: 700;
  color: #fff;
}

/* 右侧下方 */
.brand-detail-body {
  background: #fff;
  border-radius: 6px;
  box-shadow: 0 2px 10px rgba(0,0,0,.06);
  padding: 30px;
  margin-bottom: 20px;
}
/* 品牌介绍富文本正文 */
.brand-detail-rich {
  font-size: 15px;
  color: var(--text-2);
  line-height: 1.9;
}
.brand-detail-rich p { margin: 0 0 14px; }
.brand-detail-rich ul,
.brand-detail-rich ol {
  list-style: disc;
  padding-left: 22px;
  margin: 0 0 18px;
}
.brand-detail-rich ol { list-style: decimal; }
.brand-detail-rich li { margin-bottom: 6px; }
.brand-detail-rich img {
  max-width: 100%;
  height: auto;
  border-radius: 4px;
}
.brand-detail-rich h3,
.brand-detail-rich h4 {
  font-size: 16px;
  font-weight: 700;
  color: #222222;
  margin: 20px 0 10px;
}
.brand-detail-rich table {
  width: 100%;
  border-collapse: collapse;
  margin: 0 0 18px;
}
.brand-detail-rich th,
.brand-detail-rich td {
  border: 1px solid #e5e5e5;
  padding: 8px 12px;
  text-align: left;
  font-size: 14px;
}
.brand-detail-rich th { background: #f7f7f8; font-weight: 600; }
.brand-detail-section-title {
  font-size: 18px;
  font-weight: 700;
  color: #222222;
  margin: 0 0 18px;
  padding-bottom: 12px;
  border-bottom: 1px solid #e5e5e5;
}
.brand-detail-placeholder {
  color: #666;
  font-size: 15px;
  line-height: 1.8;
}
.brand-detail-placeholder p { margin: 0 0 10px; }
.brand-contact-bar {
  display: flex;
  gap: 12px;
  margin-top: 20px;
  flex-wrap: wrap;
}

/* 品牌卡片链接化（分类页+品牌页） */
a.cat-brand-card {
  display: block;
  color: inherit;
  text-decoration: none;
}
a.brand-card {
  display: block;
  color: inherit;
  text-decoration: none;
}

/* 响应式 */
@media (max-width: 1024px) {
  .brand-detail-layout {
    grid-template-columns: 1fr;
    gap: 20px;
    padding: 24px 0 50px;
  }
  .brand-detail-intro { grid-template-columns: 1fr 180px; }
  .prod-side { display: none; }
}
@media (max-width: 768px) {
  .brand-detail-layout {
    grid-template-columns: 1fr;
  }
  .prod-side { display: none; }
  .brand-detail-intro {
    grid-template-columns: 1fr;
    gap: 20px;
  }
  .brand-detail-logo {
    max-width: 240px;
    margin: 0 auto;
  }
  .breadcrumb { font-size: 13px; padding: 10px 0; }
}
@media (max-width: 480px) {
  .brand-detail-zone { padding: 0; }
  .brand-detail-intro,
  .brand-detail-body { padding: 20px; }
  .brand-detail-title { font-size: 20px; }
}

/* ========== 品牌代理页：品牌图标网格（参考 products.html 三列布局） ========== */
.brand-logo-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 10px;
}
.brand-logo-card {
  display: flex;
  flex-direction: column;
  align-items: center;
  background: #fff;
  border: 1px solid #e5e5e5;
  box-shadow: 0 5px 20px rgba(222, 222, 222, 0.5);
  overflow: hidden;
  padding-bottom: 20px;
  transition: box-shadow 0.3s;
}
.brand-logo-card:hover {
  box-shadow: 0 8px 28px rgba(180, 180, 180, 0.55);
}
.brand-logo-media {
  display: block;
  width: 100%;
  aspect-ratio: 4 / 3;
  overflow: hidden;
  background: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 15px;
}
.brand-logo-media img {
  display: block;
  max-width: 100%;
  max-height: 100%;
  object-fit: contain;
  transition: transform 0.6s;
}
.brand-logo-card:hover .brand-logo-media img {
  transform: scale(1.1);
}
.brand-logo-line {
  display: block;
  width: 100%;
  border-top: 1px solid rgba(0, 0, 0, 0.08);
}
.brand-logo-title {
  margin-top: 14px;
  padding: 0 12px;
  font-size: 16px;
  color: var(--text);
  text-align: center;
}
.brand-logo-tag {
  margin-top: 8px;
  font-size: 12px;
  padding: 3px 10px;
  border-radius: 3px;
}
.brand-logo-tag.tag-agent {
  background: var(--primary);
  color: #fff;
}
.brand-logo-tag.tag-dist {
  background: var(--primary-light);
  color: var(--primary);
  border: 1px solid #f0d4d8;
}

.brand-logo-meta {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  margin-top: 10px;
  padding: 0 12px;
  width: 100%;
}
.brand-logo-meta .brand-logo-title {
  margin-top: 0;
  padding: 0;
}
.brand-logo-meta .brand-logo-tag {
  margin-top: 0;
  flex-shrink: 0;
}
.brand-logo-card .brand-site {
  display: inline-block;
  margin-top: 14px;
  font-size: 12px;
  color: var(--primary);
  text-decoration: none;
}

.brand-logo-card .brand-site:hover {
  color: var(--primary-dark);
  text-decoration: underline;
}

.brand-section-head {
  margin-bottom: 24px;
}
.brand-section-title {
  font-size: 20px;
  font-weight: 600;
  color: #222222;
  padding-bottom: 10px;
  border-bottom: 2px solid var(--primary);
  display: inline-block;
}
.brand-section-desc {
  margin-top: 8px;
  font-size: 13px;
  color: #666;
}

/* 响应式 */
@media (max-width: 1024px) {
  .brand-logo-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .prod-side { display: none; }
}
@media (max-width: 768px) {
  .brand-logo-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 14px;
  }
  .brand-section-head {
    margin-bottom: 18px;
  }
  .brand-section-title {
    font-size: 18px;
  }
}
@media (max-width: 480px) {
  .brand-logo-grid {
    grid-template-columns: 1fr;
  }
}

/* ========== 品牌代理页：上方品牌导航（上下布局） ========== */
.brand-nav-top {
  background: #fff;
  border: 1px solid #e5e5e5;
  border-radius: 6px;
  box-shadow: 0 2px 10px rgba(0,0,0,.04);
  padding: 24px 28px;
  margin-bottom: 28px;
}
.brand-nav-tier {
  padding-bottom: 18px;
  margin-bottom: 18px;
  border-bottom: 1px solid #f0f0f0;
}
.brand-nav-tier:last-child {
  padding-bottom: 0;
  margin-bottom: 0;
  border-bottom: none;
}
.brand-nav-tier-title {
  font-size: 16px;
  font-weight: 600;
  color: #222222;
  margin: 0 0 12px;
}
.brand-nav-count {
  font-size: 13px;
  font-weight: 400;
  color: #666666;
  font-style: normal;
  margin-left: 6px;
}
.brand-nav-pills {
  display: flex;
  flex-wrap: wrap;
  gap: 10px 12px;
}
.brand-nav-pill {
  display: inline-block;
  font-size: 13px;
  color: #222222;
  background: #f6f6f7;
  border: 1px solid #ececec;
  border-radius: 4px;
  padding: 6px 14px;
  text-decoration: none;
  transition: all .2s;
}
.brand-nav-pill:hover {
  background: #fdeef0;
  border-color: var(--primary-light);
  color: var(--primary);
}
.brand-nav-pill.on {
  background: var(--primary);
  border-color: var(--primary);
  color: #fff;
}

/* 响应式 */
@media (max-width: 768px) {
  .brand-nav-top { padding: 18px 20px; margin-bottom: 22px; }
  .brand-nav-pills { gap: 8px 10px; }
  .brand-nav-pill { padding: 5px 11px; font-size: 12px; }
}
@media (max-width: 480px) {
  .brand-nav-top { padding: 14px 16px; margin-bottom: 18px; }
  .brand-nav-tier-title { font-size: 15px; margin-bottom: 10px; }
  .brand-nav-pills { gap: 6px 8px; }
  .brand-nav-pill { padding: 4px 10px; font-size: 12px; }
}

/* ========== 品牌代理页：左侧导航（左右布局） ========== */
.brand-side {
  background: #fff;
  border: 1px solid #e5e5e5;
  border-radius: 6px;
  box-shadow: 0 5px 20px rgba(222, 222, 222, 0.5);
  padding: 18px;
  overflow: hidden;
}
.brand-detail-layout .brand-side {
  position: sticky;
  top: 16px;
  align-self: start;
}
.brand-side .brand-nav-tier {
  padding-bottom: 14px;
  margin-bottom: 14px;
  border-bottom: 1px solid #f0f0f0;
}
.brand-side .brand-nav-tier:last-child {
  padding-bottom: 0;
  margin-bottom: 0;
  border-bottom: none;
}
.brand-side .brand-nav-tier-title {
  font-size: 15px;
  font-weight: 600;
  color: #222222;
  margin: 0 0 10px;
}
.brand-side .brand-nav-links {
  display: flex;
  flex-direction: column;
  gap: 4px;
}
.brand-side .brand-nav-link {
  display: block;
  padding: 8px 12px;
  font-size: 14px;
  color: #666666;
  text-decoration: none;
  border-radius: 4px;
  transition: all .2s;
}
.brand-side .brand-nav-link:hover,
.brand-side .brand-nav-link.on {
  background: var(--primary);
  color: #fff;
}

/* 左侧导航展开/收起 */
.brand-nav-links-more {
  display: none;
  flex-direction: column;
  gap: 4px;
  margin-top: 4px;
}
.brand-nav-links-more .brand-nav-link {
  display: block;
  padding: 8px 12px;
  font-size: 14px;
  color: #666666;
  text-decoration: none;
  border-radius: 4px;
  transition: all .2s;
}
.brand-nav-links-more .brand-nav-link:hover,
.brand-nav-links-more .brand-nav-link.on {
  background: var(--primary);
  color: #fff;
}
.brand-nav-toggle {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  padding: 8px 0;
  margin-top: 8px;
  font-size: 13px;
  color: var(--primary);
  background: #f6f6f7;
  border: 1px solid #ececec;
  border-radius: 4px;
  cursor: pointer;
  transition: all .2s;
}
.brand-nav-toggle:hover {
  background: var(--primary-light);
  border-color: var(--primary-light);
}
.brand-nav-toggle .toggle-icon {
  font-size: 12px;
  line-height: 1;
}

/* 右侧代理/经销切换按钮 */
.brand-showcase-tabs {
  display: flex;
  gap: 10px;
  margin-bottom: 24px;
}
.showcase-tab {
  padding: 10px 22px;
  font-size: 14px;
  font-weight: 600;
  color: #666666;
  background: #fff;
  border: 1px solid #e5e5e5;
  border-radius: 4px;
  cursor: pointer;
  transition: all .2s;
}
.showcase-tab:hover {
  color: var(--primary);
  border-color: var(--primary-light);
  background: var(--primary-light);
}
.showcase-tab.active {
  color: #fff;
  background: var(--primary);
  border-color: var(--primary);
}

/* 品牌卡片整体可点击 */
.brand-card-link {
  display: flex;
  flex-direction: column;
  align-items: center;
  color: inherit;
  text-decoration: none;
}
.brand-logo-card:hover .brand-card-link .brand-logo-title {
  color: var(--primary);
}

/* brands.html 折叠列表 */
.prod-side .brand-nav-links-more {
  display: none;
  margin: 0;
  padding: 0;
}
.prod-side .brand-nav-links-more li {
  margin: 0;
  padding: 0;
}
.prod-side .brand-nav-links-more li a {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 50px;
  padding: 0 18px;
  border-bottom: 1px solid #e5e5e5;
  font-size: 15px;
  color: #222222;
  transition: background 0.2s, color 0.2s;
}
.prod-side .brand-nav-links-more li a:hover,
.prod-side .brand-nav-links-more li a.on {
  background: var(--primary);
  color: #fff;
}
.prod-side .brand-nav-links-more li a svg {
  flex: none;
  opacity: 0.45;
  transition: opacity 0.2s;
}
.prod-side .brand-nav-links-more li a:hover svg,
.prod-side .brand-nav-links-more li a.on svg {
  opacity: 1;
}

/* 折叠按钮在 prod-side 内 */
.prod-side .brand-nav-toggle {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  padding: 10px 0;
  font-size: 13px;
  color: #005C8A;
  background: #f6f6f7;
  border: none;
  border-bottom: 1px solid #e5e5e5;
  cursor: pointer;
  transition: background 0.2s;
}
.prod-side .brand-nav-toggle:hover {
  background: var(--primary-light);
}
.prod-side .brand-nav-toggle .toggle-icon {
  font-size: 12px;
  line-height: 1;
}

/* 标题旁计数 */
.prod-side .prod-side-count {
  font-size: 12px;
  color: #666666;
  font-weight: 400;
  font-style: normal;
  margin-left: 6px;
}

/* 品牌页左侧导航切换标签 */
.brand-nav-tabs {
  display: flex;
  margin: 0;
  padding: 0;
  border-bottom: 1px solid #e5e5e5;
}
.brand-nav-tab {
  flex: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  height: 65px;
  padding: 0 10px;
  font-size: 16px;
  font-weight: 600;
  color: #666666;
  background: none;
  border: none;
  border-bottom: 2px solid transparent;
  cursor: pointer;
  transition: color 0.2s, border-color 0.2s;
}
.brand-nav-tab:hover {
  color: var(--primary);
}
.brand-nav-tab.active {
  color: #222222;
  border-bottom-color: var(--primary);
}
.brand-nav-panel {
  display: none;
}
.brand-nav-panel.active {
  display: block;
}



/* ==========================================================================
   应用案例页面专用样式（apply.html / apply_article.html）
   ========================================================================== */

/* ---------- 应用案例列表页 ---------- */
.apply-section { padding: 60px 0 80px; }
.apply-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
}
@media (max-width: 1024px) {
  .apply-grid { grid-template-columns: repeat(2, 1fr); gap: 20px; }
}
@media (max-width: 768px) {
  .apply-grid { grid-template-columns: 1fr; gap: 16px; }
}

.apply-card {
  display: block;
  background: var(--card-bg);
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--shadow);
  transition: transform .25s ease, box-shadow .25s ease;
  text-decoration: none;
  color: inherit;
}
.apply-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.18);
}
.apply-card-media {
  height: 220px;
  background-size: cover;
  background-position: center;
  position: relative;
}
.apply-card-media::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(0,0,0,0) 40%, rgba(0,0,0,0.45) 100%);
}
.apply-card-body {
  padding: 22px 24px 26px;
}
.apply-card-body h2 {
  font-size: 18px;
  font-weight: 600;
  color: var(--text);
  margin-bottom: 10px;
}
.apply-card-body p {
  font-size: 14px;
  color: var(--text-2);
  line-height: 1.8;
  margin-bottom: 16px;
}
.apply-card-btn {
  display: inline-block;
  font-size: 13px;
  font-weight: 600;
  color: var(--primary);
  border-bottom: 2px solid var(--primary);
  padding-bottom: 2px;
  transition: color .2s ease;
}
.apply-card:hover .apply-card-btn {
  color: var(--primary-dark);
  border-bottom-color: var(--primary-dark);
}

/* 首页应用领域横排5列精简卡片：文字浮动于图片之上 */
.apply-grid--home {
  grid-template-columns: repeat(5, 1fr);
  gap: 20px;
}
.apply-grid--home .apply-card { position: relative; }
.apply-grid--home .apply-card-media {
  height: 220px;
  background-color: #1b1b1b;
}
.apply-grid--home .apply-card-media::after {
  background: linear-gradient(180deg, rgba(20, 20, 20, 0) 30%, rgba(20, 20, 20, 0.9) 100%);
}
.apply-grid--home .apply-card-body {
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  z-index: 2;
  padding: 16px 12px 14px;
  text-align: center;
}
.apply-grid--home .apply-card-body h2 {
  margin-bottom: 0;
  font-size: 15px;
  color: #fff;
  text-shadow: 0 1px 4px rgba(0, 0, 0, 0.55);
}
@media (max-width: 1024px) {
  .apply-grid--home { grid-template-columns: repeat(3, 1fr); gap: 16px; }
}
@media (max-width: 768px) {
  .apply-grid--home { grid-template-columns: repeat(2, 1fr); gap: 12px; }
}
@media (max-width: 480px) {
  .apply-grid--home { grid-template-columns: repeat(2, 1fr); gap: 10px; }
  .apply-grid--home .apply-card-body { padding: 12px 8px 10px; }
  .apply-grid--home .apply-card-body h2 { font-size: 14px; }
}

/* ---------- 应用案例详情页 ---------- */
.apply-article-section { padding: 50px 0 80px; }
.apply-article-layout {
  display: grid;
  grid-template-columns: 1fr;
  gap: 40px;
}
.apply-article-intro {
  display: grid;
  grid-template-columns: 420px 1fr;
  gap: 36px;
  align-items: start;
}
@media (max-width: 1024px) {
  .apply-article-intro { grid-template-columns: 1fr; }
}
.apply-article-media {
  width: 100%;
  height: 300px;
  border-radius: var(--radius);
  background-size: cover;
  background-position: center;
  box-shadow: var(--shadow);
}
.apply-article-summary h2 {
  font-size: 24px;
  font-weight: 600;
  color: var(--text);
  margin-bottom: 16px;
}
.apply-article-summary p {
  font-size: 15px;
  color: var(--text-2);
  line-height: 1.9;
  margin-bottom: 14px;
}
.apply-article-detail {
  font-size: 15px;
  color: var(--text);
  line-height: 1.9;
}
.apply-article-detail p {
  margin-bottom: 14px;
}
.apply-article-detail ul {
  list-style: disc;
  padding-left: 22px;
  margin-bottom: 18px;
}
.apply-article-detail ul li {
  margin-bottom: 6px;
  color: var(--text-2);
}

/* 关联产品 */
.apply-relevant {
  margin-top: 50px;
  padding-top: 40px;
  border-top: 1px solid var(--line);
}
.apply-relevant h3 {
  font-size: 20px;
  font-weight: 600;
  color: var(--text);
  margin-bottom: 24px;
}
.relevant-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}
@media (max-width: 1024px) {
  .relevant-grid { grid-template-columns: repeat(2, 1fr); gap: 20px; }
}
@media (max-width: 768px) {
  .relevant-grid { grid-template-columns: repeat(2, 1fr); gap: 12px; }
}
.relevant-card {
  display: block;
  text-decoration: none;
  color: inherit;
  background: var(--card-bg);
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--shadow);
  transition: transform .25s ease;
}
.relevant-card:hover { transform: translateY(-3px); }
.relevant-media {
  height: 160px;
  background-size: cover;
  background-position: center;
}
.relevant-card p {
  padding: 14px 16px;
  font-size: 14px;
  font-weight: 500;
  color: var(--text);
  text-align: center;
}
/* ========== 首页合作品牌（8×4 品牌 LOGO 墙） ==========
   机制：居中标题 + 32 个品牌 LOGO 网格（桌面 8 列 × 4 行），
   每个 LOGO 均为可点击链接，指向对应品牌详情页 brand-detail.html?brand=品牌名；
   只展示 LOGO，不显示品牌名称文字。板块背景图由模板内联 url(images/...) 指定。
   纯静态 CSS，无花哨动画，仅保留轻微悬浮反馈。 */
.brand-wall {
  background-repeat: no-repeat;
  background-position: center;
  background-size: cover;
}
.brand-wall-head { margin-bottom: 40px; text-align: center; }
.brand-wall-title {
  font-size: 32px;
  font-weight: 700;
  line-height: 1.2;
  color: #fff;
}

.partner-logos {
  display: grid;
  grid-template-columns: repeat(8, 1fr);
  gap: 16px;
  margin: 0;
  padding: 0;
  list-style: none;
}
.partner-logos li { min-width: 0; }
/* 每个 LOGO 一个白底方格：LOGO 居中缩放，整格可点击 */
.partner-logos a {
  display: flex;
  align-items: center;
  justify-content: center;
  aspect-ratio: 4 / 3;
  padding: 10px;
  background: #fff;
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  transition: transform 0.25s, box-shadow 0.25s;
}
.partner-logos a:hover { transform: translateY(-3px); box-shadow: 0 8px 20px rgba(0, 0, 0, 0.22); }
.partner-logos img {
  display: block;
  max-width: 100%;
  max-height: 100%;
  object-fit: contain;
}

@media (max-width: 1024px) {
  .partner-logos { grid-template-columns: repeat(4, 1fr); }
  .brand-wall-head { margin-bottom: 30px; }
  .brand-wall-title { font-size: 26px; }
}
@media (max-width: 768px) {
  .partner-logos { grid-template-columns: repeat(3, 1fr); gap: 12px; }
  .brand-wall-head { margin-bottom: 24px; }
  .brand-wall-title { font-size: 22px; }
}
@media (max-width: 480px) {
  .partner-logos { grid-template-columns: repeat(2, 1fr); gap: 10px; }
  .partner-logos a { padding: 8px; }
}

/* ===================== 关于我们页：企业简介 / 公司优势 / 代理证书 ===================== */

/* —— 一、企业简介：两层图文交替（参考 jeelyton 企业介绍版式） —— */
.ab-intro-section { background: #fff; padding: 60px 0 58px; }
.ab-intro { display: grid; grid-template-columns: 1fr 1fr; gap: 48px; align-items: center; }
.ab-intro > * { min-width: 0; }
.ab-intro + .ab-intro { margin-top: 48px; }
.ab-intro-media { position: relative;  overflow: hidden; box-shadow: var(--shadow); }
.ab-intro-media img { display: block; width: 100%; min-height: 360px; object-fit: cover; }
.ab-intro-badge {
  position: absolute; left: 0; right: 0; bottom: 0;
  display: flex; flex-wrap: wrap; gap: 10px 24px;
  padding: 40px 24px 18px;
  background: linear-gradient(to top, rgba(20, 20, 20, 0.94), rgba(20, 20, 20, 0));
  color: #fff;
}
.ab-intro-badge > div { flex: 1 1 0; min-width: 0; }
.ab-intro-badge strong { display: block; font-size: 20px; line-height: 1.35; font-weight: 700; }
.ab-intro-badge span { font-size: 12px; color: rgba(255, 255, 255, 0.84); }

.ab-intro-title {
  position: relative;
  padding-bottom: 16px;
  margin-bottom: 20px;
  font-size: 26px;
  font-weight: 700;
  line-height: 1.3;
  color: var(--text);
}
.ab-intro-title em {
  display: block;
  margin-top: 8px;
  font-style: normal;
  font-size: 13px;
  font-weight: 400;
  letter-spacing: 2px;
  color: #999999;
}
.ab-intro-title::after {
  content: ""; position: absolute; left: 0; bottom: 0;
  width: 100%; height: 1px; background: var(--line);
}
.ab-intro-title::before {
  content: ""; position: absolute; left: 0; bottom: 0; z-index: 1;
  width: 44px; height: 3px; background: var(--primary);
}
.ab-intro-text p { margin-bottom: 12px; font-size: 16px; line-height: 2.0; color: var(--text); }
.ab-intro-text p.ab-lead { font-size: 15px; color: var(--text); }

/* —— 二、公司优势：深色科技底 + 图文卡片网格（参考 suntron 企业优势版式） —— */
.ab-adv-section {
  padding: 64px 0;
  background-color: var(--primary-dark);
  background-repeat: no-repeat;
  background-position: center;
  background-size: cover;
}
.ab-adv-head { margin-bottom: 38px; text-align: center; }
.ab-adv-title { font-size: 30px; font-weight: 700; line-height: 1.3; color: #fff; }
.ab-adv-title::after {
  content: ""; display: block; width: 40px; height: 3px;
  margin: 14px auto 0; background: var(--stat-accent);
}
.ab-adv-sub {
  margin-top: 12px;
  font-size: 13px; letter-spacing: 3px; text-transform: uppercase;
  color: #f3c4cb;
}
.ab-adv-grid { display: grid; grid-template-columns: repeat(5, 1fr); gap: 18px; }
.ab-adv-card {
  position: relative;
  display: flex; flex-direction: column;
  min-height: 240px;
  overflow: hidden;
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid rgba(255, 255, 255, 0.16);
  border-radius: var(--radius);
  transition: border-color 0.25s;
}
.ab-adv-card::after {
  content: "";
  position: absolute; left: 0; right: 0; top: 0; bottom: 0; z-index: 1;
  background: linear-gradient(180deg, rgba(20, 20, 20, 0.92) 0%, rgba(20, 20, 20, 0.66) 44%, rgba(20, 20, 20, 0.16) 100%);
  transition: opacity 0.25s;
}
.ab-adv-card:hover { border-color: rgba(169, 214, 238, 0.6); }
.ab-adv-card:hover::after { opacity: 0.84; }
.ab-adv-media {
  position: absolute; left: 0; right: 0; top: 0; bottom: 0; z-index: 0;
  background-size: cover; background-position: center;
}
.ab-adv-bd { position: relative; z-index: 2; padding: 20px 20px 24px; }
.ab-adv-bd h3 { font-size: 18px; font-weight: 700; color: #ffd4da; text-shadow: 0 1px 3px rgba(0, 0, 0, 0.45); }
.ab-adv-bd h3::before {
  content: ""; display: inline-block;
  width: 6px; height: 6px; margin-right: 8px;
  background: var(--stat-accent); border-radius: 50%; vertical-align: 4px;
}
.ab-adv-bd p { margin-top: 12px; font-size: 13px; line-height: 1.85; color: rgba(255, 255, 255, 0.82); text-shadow: 0 1px 3px rgba(0, 0, 0, 0.42); }

/* —— 三、代理证书：横向滚动（参考 jeelyton 代理证书版式） —— */
.ab-cert-section { padding: 60px 0 66px; background: var(--bg); }
.ab-cert-scroll {
  display: flex;
  gap: 20px;
  overflow-x: auto;
  padding: 4px 4px 18px;
  scroll-snap-type: x proximity;
  -webkit-overflow-scrolling: touch;
  scrollbar-width: thin;
  scrollbar-color: #cbb2b6 #ececec;
}
.ab-cert-scroll::-webkit-scrollbar { height: 8px; }
.ab-cert-scroll::-webkit-scrollbar-track { background: #ececec; border-radius: 4px; }
.ab-cert-scroll::-webkit-scrollbar-thumb { background: #cbb2b6; border-radius: 4px; }
.ab-cert-scroll::-webkit-scrollbar-thumb:hover { background: var(--primary); }
.ab-cert-item {
  flex: 0 0 232px;
  margin: 0;
  overflow: hidden;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  scroll-snap-align: start;
  transition: border-color 0.25s, box-shadow 0.25s;
}
.ab-cert-item:hover { border-color: var(--primary); box-shadow: var(--shadow); }
.ab-cert-pic { display: block; overflow: hidden; background: #fff; aspect-ratio: 640 / 880; }
.ab-cert-pic img { display: block; width: 100%; height: 100%; object-fit: contain; }
.ab-cert-item figcaption {
  padding: 10px 12px;
  text-align: center;
  font-size: 13px;
  color: var(--text-2);
  border-top: 1px solid var(--line);
}

@media (max-width: 1024px) {
  .ab-intro { grid-template-columns: 1fr; gap: 30px; }
  .ab-intro + .ab-intro { margin-top: 30px; }
  .ab-intro-media img { min-height: 0; max-height: 420px; }
  .ab-adv-grid { grid-template-columns: repeat(3, 1fr); }
  .ab-adv-head { margin-bottom: 30px; }
  .ab-adv-title { font-size: 26px; }
}
@media (max-width: 768px) {
  .ab-intro-section { padding: 40px 0; }
  .ab-intro-title { font-size: 22px; }
  .ab-intro-badge { padding: 32px 16px 14px; gap: 8px 16px; }
  .ab-intro-badge strong { font-size: 16px; }
  .ab-adv-section { padding: 44px 0; }
  .ab-adv-head { margin-bottom: 24px; }
  .ab-adv-title { font-size: 22px; }
  .ab-adv-grid { grid-template-columns: repeat(2, 1fr); gap: 14px; }
  .ab-adv-bd { padding: 16px 16px 20px; }
  .ab-cert-section { padding: 40px 0 48px; }
  .ab-cert-scroll { margin: 0 -20px; padding-left: 20px; padding-right: 20px; }
  .ab-cert-item { flex: 0 0 200px; }
}
@media (max-width: 480px) {
  .ab-adv-grid { grid-template-columns: 1fr; }
}

/* ==========================================================================
   新闻中心：列表页（news.htm / lists_news.htm）与详情页（view_news.htm）
   --------------------------------------------------------------------------
   沿用站点既有视觉：白底内容区 + 左侧分类（复用 .prod-side）+ 右侧列表卡片，
   主色 #c8102e，容器 1200px，断点 1024 / 768 / 480。
   ========================================================================== */

/* ---------- 一、新闻列表页 ---------- */
.news-content { min-width: 0; }
.news-list { display: grid; gap: 20px; }
.news-item {
  display: grid;
  grid-template-columns: 240px 1fr;
  gap: 22px;
  padding: 18px;
  background: var(--card-bg);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  text-decoration: none;
  color: inherit;
  transition: border-color .25s ease, box-shadow .25s ease;
}
.news-item:hover { border-color: var(--primary); box-shadow: 0 6px 20px rgba(0, 0, 0, .16); }
.news-item-media {
  height: 150px;
  border-radius: var(--radius);
  background-color: var(--primary-light);
  background-size: cover;
  background-position: center;
}
.news-item-body { min-width: 0; display: flex; flex-direction: column; }
.news-item-date { font-size: 13px; color: var(--text-2); letter-spacing: .5px; }
.news-item-tag {
  display: inline-block;
  margin-left: 8px;
  padding: 1px 8px;
  font-size: 12px;
  color: var(--primary);
  background: var(--primary-light);
  border-radius: 2px;
}
.news-item-body h3 {
  margin: 8px 0 10px;
  font-size: 18px;
  font-weight: 600;
  line-height: 1.5;
  color: var(--text);
  transition: color .2s ease;
}
.news-item:hover .news-item-body h3 { color: var(--primary); }
.news-item-body p {
  display: -webkit-box;
  margin-bottom: 12px;
  overflow: hidden;
  font-size: 14px;
  line-height: 1.8;
  color: var(--text-2);
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
}
.news-item-more {
  align-self: flex-start;
  margin-top: auto;
  padding-bottom: 2px;
  font-size: 13px;
  font-weight: 600;
  color: var(--primary);
  border-bottom: 2px solid var(--primary);
}

/* 分页（EyouCMS pagelist 标签输出，兼容 a / li>a 两种结构） */
.pagination {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: center;
  gap: 8px;
  margin-top: 36px;
}
.pagination ul { display: flex; flex-wrap: wrap; gap: 8px; margin: 0; padding: 0; list-style: none; }
.pagination li { list-style: none; }
.pagination a,
.pagination span {
  display: inline-block;
  min-width: 38px;
  padding: 8px 12px;
  text-align: center;
  font-size: 14px;
  color: var(--text-2);
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  text-decoration: none;
  transition: color .2s ease, border-color .2s ease, background .2s ease;
}
.pagination a:hover { color: var(--primary); border-color: var(--primary); }
.pagination .active,
.pagination a.active { color: #fff; background: var(--primary); border-color: var(--primary); }
.pagination .info {
  padding: 8px 4px;
  color: var(--text-2);
  background: transparent;
  border-color: transparent;
}

@media (max-width: 768px) {
  .news-item { grid-template-columns: 1fr; gap: 14px; padding: 14px; }
  .news-item-media { height: 180px; }
  .news-item-body h3 { font-size: 16px; }
}

/* ---------- 二、新闻详情页 ---------- */
.news-article-section { padding: 50px 0 80px; }
.news-article { max-width: 900px; margin: 0 auto; }
/* 详情页两栏布局：左侧新闻分类（复用 .prod-side）+ 右侧详情正文 */
.news-detail-layout {
  display: grid;
  grid-template-columns: 240px 1fr;
  gap: 28px;
  align-items: start;
}
.news-detail-layout .news-article { min-width: 0; max-width: none; margin: 0; }
@media (max-width: 1024px) {
  .news-detail-layout { grid-template-columns: 1fr; gap: 20px; }
  .news-detail-layout .news-article { max-width: 900px; margin: 0 auto; }
}
.news-article-head { padding-bottom: 20px; border-bottom: 1px solid var(--line); }
.news-article-head h1 { font-size: 26px; font-weight: 700; line-height: 1.5; color: var(--text); }
.news-article-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 20px;
  margin-top: 14px;
  font-size: 13px;
  color: var(--text-2);
}
.news-article-rich {
  padding: 26px 0 0;
  font-size: 15px;
  line-height: 1.95;
  color: #333;
}
.news-article-rich p { margin: 0 0 16px; }
.news-article-rich h2 { margin: 26px 0 14px; font-size: 19px; font-weight: 700; color: var(--text); }
.news-article-rich h3 { margin: 22px 0 12px; font-size: 17px; font-weight: 600; color: var(--text); }
.news-article-rich ul,
.news-article-rich ol { margin: 0 0 16px; padding-left: 22px; }
.news-article-rich ol { list-style: decimal; }
.news-article-rich li { margin-bottom: 8px; }
.news-article-rich img { max-width: 100%; height: auto; margin: 10px 0; border-radius: var(--radius); }
.news-article-rich table { width: 100%; margin: 16px 0; border-collapse: collapse; font-size: 14px; }
.news-article-rich th,
.news-article-rich td { padding: 10px 12px; text-align: left; border: 1px solid var(--line); }
.news-article-rich th { background: #f7f7f8; font-weight: 600; }
.news-article-rich blockquote {
  margin: 16px 0;
  padding: 12px 18px;
  color: var(--text-2);
  background: var(--bg);
  border-left: 3px solid var(--primary);
}
.news-pager {
  display: grid;
  gap: 10px;
  margin-top: 34px;
  padding-top: 22px;
  font-size: 14px;
  border-top: 1px solid var(--line);
}
.news-pager a { color: var(--text-2); text-decoration: none; }
.news-pager a:hover { color: var(--primary); }
.news-pager .pager-label { color: var(--primary); font-weight: 600; }
.news-pager .pager-empty { color: #999; }
.news-back {
  display: inline-block;
  margin-top: 22px;
  font-size: 14px;
  font-weight: 600;
  color: var(--primary);
}
.news-back:hover { color: var(--primary-dark); }
.news-related { margin-top: 44px; padding-top: 26px; border-top: 1px solid var(--line); }
.news-related h2 {
  margin-bottom: 16px;
  padding-left: 12px;
  font-size: 18px;
  font-weight: 700;
  line-height: 1.1;
  color: var(--text);
  border-left: 3px solid var(--primary);
}
.news-related ul { margin: 0; padding: 0; list-style: none; }
.news-related li {
  display: flex;
  justify-content: space-between;
  gap: 16px;
  padding: 12px 0;
  font-size: 14px;
  border-bottom: 1px dashed var(--line);
}
.news-related li:last-child { border-bottom: none; }
.news-related a { color: var(--text); text-decoration: none; }
.news-related a:hover { color: var(--primary); }
.news-related time { flex: none; font-size: 13px; color: var(--text-2); }

@media (max-width: 768px) {
  .news-article-section { padding: 34px 0 54px; }
  .news-article-head h1 { font-size: 20px; }
  .news-article-rich { font-size: 14px; }
  .news-related li { flex-direction: column; gap: 4px; }
}

@media (max-width: 480px) {
  .news-item-body h3 { font-size: 15px; }
  .pagination a,
  .pagination span { min-width: 34px; padding: 7px 10px; font-size: 13px; }
}