/* ================= 基础 ================= */
:root {
  --primary: #E8380D;          /* 迈锐主橙（主按钮/CTA/链接） */
  --primary-dark: #c42e0a;     /* 主橙 hover */
  --primary-deep: #151824;     /* 页脚/深色区 */
  --accent: #E8380D;           /* 高亮（导航悬停等） */
  --accent-2: #E8380D;         /* 点缀 */
  --cream: #F7F7F7;            /* 浅灰背景区 */
  --ink: #333333;
  --text: #333333;
  --text-light: #696969;
  --border: #e9e9e9;
  --bg-gray: #f7f7f7;
  --shadow: 0 12px 40px rgba(232, 56, 13, .08);
  --radius: 8px;
}
* { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  font-family: "Microsoft YaHei", "PingFang SC", "Helvetica Neue", Inter, "Segoe UI", Roboto, sans-serif;
  color: var(--text); font-size: 15px; line-height: 1.75; background: #fff;
}
a { color: inherit; text-decoration: none; transition: color .2s; }
img { max-width: 100%; display: block; }
ul { list-style: none; }
.container { max-width: 1200px; margin: 0 auto; padding: 0 20px; }
.narrow { max-width: 900px; }
.section { padding: 76px 0; }
.section-gray { background: var(--bg-gray); }
.center-link { text-align: center; margin-top: 40px; }
.empty-tip { text-align: center; color: var(--text-light); padding: 60px 0; grid-column: 1/-1; }
.muted-text { color: var(--text-light); }

/* 按钮 */
.btn {
  display: inline-block; padding: 12px 30px; border-radius: 2px; font-size: 15px; font-weight: 600;
  border: 2px solid var(--primary); cursor: pointer; transition: all .25s; white-space: nowrap;
}
.btn-primary { background: var(--primary); color: #fff; border-color: var(--primary); }
.btn-primary:hover { background: var(--primary-dark); border-color: var(--primary-dark); transform: translateY(-2px); }
.btn-outline { background: transparent; color: var(--primary); }
.btn-outline:hover { background: var(--primary); color: #fff; }
.btn-light { background: #fff; color: var(--primary); border-color: #fff; }
.btn-light:hover { background: #fdeee9; }
.btn-lg { padding: 15px 42px; font-size: 16px; }
.btn-copper { background: var(--accent); border-color: var(--accent); color: #fff; }
.btn-copper:hover { background: #c42e0a; border-color: #c42e0a; transform: translateY(-2px); color:#fff; }

/* 标题 */
.section-title { text-align: center; margin-bottom: 50px; }
.section-title small {
  display: block; color: #ababab; letter-spacing: 3px; font-size: 14px; font-weight: 500;
  text-transform: uppercase; margin-bottom: 16px;
}
.section-title h2 { font-size: 1.6vw; color: var(--ink); font-weight: 700; line-height: 1.3; }
.section-title h2 .hl { color: var(--primary); }
.section-title .desc { display: block; max-width: 680px; margin: 16px auto 0; color: var(--text-light); font-size: 16px; }
.section-title.left { text-align: left; }
.section-title.left h2 { display: block; }
.section-title.left .desc { margin-left: 0; }
.block-title { font-size: 22px; color: var(--ink); margin: 44px 0 22px; padding-left: 14px; border-left: 4px solid var(--primary); }

/* ================= 顶部公告条 ================= */
.topbar { background: #fff; color: #8a8a8a; font-size: 13.5px; border-bottom: 1px solid #f0f0f0; }
.topbar-inner { display: flex; justify-content: space-between; align-items: center; min-height: 42px; gap: 16px; }
.topbar-left { display: flex; gap: 24px; min-width: 0; }
.topbar-note { white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.topbar-note a { color: var(--primary); font-weight: 700; margin-right: 4px; }
.topbar-note a:hover { text-decoration: underline; }
.topbar-right { display: flex; align-items: center; gap: 18px; flex-shrink: 0; }
.topbar-mail { color: #8a8a8a; }
.topbar-mail:hover { color: var(--primary); }
.lang-switch { color: var(--ink); font-weight: 600; }
.lang-switch:hover { color: var(--primary); }

/* ================= 导航 ================= */
.site-header {
  background: #fff; position: sticky; top: 0; z-index: 100;
  box-shadow: 0 1px 0 rgba(0,0,0,.05); transition: box-shadow .2s;
}
.site-header.scrolled { box-shadow: 0 4px 18px rgba(232,56,13,.1); }

/* 首页导航：固定白底深字（不透明，不随滚动变色） */
.is-home .home-header {
  position: fixed; top: 0; left: 0; right: 0; background: #fff;
  box-shadow: 0 1px 0 rgba(0,0,0,.05); z-index: 666;
}
.is-home .home-header .logo-text { color: var(--primary-deep); }
.is-home .home-header .main-nav > a,
.is-home .home-header .nav-item > .nav-tit { color: #333; }
.is-home .home-header .header-phone,
.is-home .home-header .header-phone span { color: #333; }
.is-home .home-header .header-phone i { color: var(--primary); }
.is-home .home-header .header-search-btn { color: #333; }
.is-home .home-header .nav-lang { color: #333; }
.is-home .home-header .nav-toggle span { background: #333; }
.is-home .home-header .nav-search input { color: #333; }
.is-home .home-header .nav-search input::placeholder { color: #999; }
/* ≤1200 移动/平板：导航改抽屉模式，恢复普通白底深字（手机端横幅为白底，保证可读） */
@media (max-width: 1200px) {
  .is-home .home-header { position: relative; background: #fff; }
  .is-home .home-header .logo-text { color: var(--primary-deep); }
  .is-home .home-header .main-nav > a,
  .is-home .home-header .nav-item > .nav-tit { color: #333; }
  .is-home .home-header .header-phone,
  .is-home .home-header .header-phone span { color: #333; }
  .is-home .home-header .header-phone i { color: var(--primary); }
  .is-home .home-header .header-search-btn { color: #333; }
  .is-home .home-header .nav-lang { color: #333; }
  .is-home .home-header .nav-toggle span { background: #333; }
}
.header-inner { display: flex; align-items: center; justify-content: space-between; height: 74px; gap: 8px; }
.site-logo { display: flex; align-items: center; gap: 8px; font-size: 18px; font-weight: 800; color: var(--primary-deep); white-space: nowrap; flex-shrink: 0; }
.site-logo img { max-height: 46px; }
.logo-mark {
  width: 40px; height: 40px; border-radius: 9px;
  background: var(--primary);
  color: #fff; display: flex; align-items: center; justify-content: center; font-size: 17px;
}
.logo-mark.light { background: var(--primary); }
.main-nav { display: flex; align-items: center; gap: 0; }

/* 头部全宽（对标原官网 .hadbox-sec1>.container max-width:1920，正文容器仍 1200） */
.site-header .header-inner { max-width: 1920px; }

/* 一级菜单（杉岩同款：白字/滚动后#333、hover/active 橙 #E8380D + 底部橙色下划线）
   间距对标原官网：≥1581 padding 0 .24rem(=1.25vw)/font 16px；≤1580 padding 0 14px/font 14px */
.main-nav > a, .nav-item > .nav-tit {
  display: flex; align-items: center; position: relative; padding: 0 1.25vw; height: 74px; line-height: 74px;
  font-size: 16px; font-weight: 400; color: #333; white-space: nowrap;
  transition: color .2s;
}
@media (max-width: 1580px) {
  .main-nav > a, .nav-item > .nav-tit { padding: 0 14px; font-size: 14px; }
}
.main-nav > a > span, .nav-tit > span { position: relative; display: inline-block; }
.nav-tit > span::after {
  content: ""; display: block; position: absolute; bottom: 0; left: 0; right: 0; margin: 0 auto;
  margin-top: .7em; width: 0; background-color: var(--primary); height: 2px;
  transition: all .3s linear; -webkit-transition: all .3s linear; border-radius: 2px;
}
.main-nav > a:hover, .main-nav > a.active,
.nav-item:hover > .nav-tit, .nav-item.active > .nav-tit { color: var(--primary); }
.nav-item:hover > .nav-tit > span::after,
.nav-item.active > .nav-tit > span::after,
.main-nav > a:hover > span::after,
.main-nav > a.active > span::after { width: 100%; }

.caret { display: inline-block; width: 0; height: 0; border-left: 4px solid transparent; border-right: 4px solid transparent; border-top: 5px solid currentColor; margin-left: 6px; vertical-align: middle; opacity: .6; }

/* 下拉菜单：Max Mega Menu（参考站同款：宽面板横向排列、标题+描述） */
.nav-item { position: relative; }
.nav-sub {
  position: absolute; top: 100%; left: 50%; transform: translateX(-50%);
  background: #fff;
  box-shadow: 0 6px 24px rgba(0,0,0,0.08);
  display: none; z-index: 50;
  text-align: left;
  border-radius: 6px;
  min-width: 180px;
  max-width: 280px;
  padding: 8px 0;
}
/* 一级 Mega Menu：宽面板、自适应网格 */
.nav-item > .nav-mega {
  min-width: 480px; max-width: 900px;
  padding: 20px;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 0;
}
.nav-item:hover > .nav-mega { display: grid !important; }
/* 深层子菜单（二级及以下）：竖排窄条向右弹出 */
.nav-sub .nav-sub {
  top: 0; left: 100%; transform: none; margin-top: 0; margin-left: 0;
  min-width: 180px; padding: 8px;
  box-shadow: 0 6px 24px rgba(0,0,0,0.08);
}
.nav-sub-item { position: relative; }
/* 每个子项：卡片式，标题+描述纵向 */
.nav-sub a, .nav-sub-link {
  display: flex; flex-direction: column; gap: 6px;
  padding: 16px 18px; line-height: 1.5; font-size: 14px; color: #666;
  white-space: normal; position: relative;
  transition: background .2s; -webkit-transition: background .2s;
}
.nav-sub-title { font-size: 15px; font-weight: 700; color: #222; transition: color .2s; }
.nav-sub-desc { font-size: 12px; color: #999; line-height: 1.6; font-weight: 400; }
.nav-sub-item:hover > .nav-sub { display: block !important; }

/* hover 效果：浅灰背景，标题变橙 */
.nav-sub a:hover, .nav-sub-link:hover { background: #f7f7f7; }
.nav-sub a:hover .nav-sub-title, .nav-sub-link:hover .nav-sub-title { color: var(--primary); }
.nav-sub a:hover .nav-sub-desc, .nav-sub-link:hover .nav-sub-desc { color: #666; }

/* 有子菜单的项右侧显示箭头（指向右） */
.nav-sub-link .caret { position: absolute; right: 14px; top: 16px; transform: rotate(-90deg); opacity: .4; }

/* ===== 产品中心面板（参考 mcnet.com.cn「产品展示」下拉：全宽白面板+品牌色顶边；每列=二级栏目，品牌色加粗标题+底部虚线，列内竖排三级子栏目） ===== */
.nav-item > .nav-mega.nav-prod-mega {
  left: 0; right: 0; transform: none;
  width: 100vw; min-width: 0; max-width: none; padding: 0;
  display: none; border-top: 2px solid var(--primary);
  background: #fff; box-shadow: 0 12px 32px rgba(0,0,0,.10);
}
.nav-item:hover > .nav-mega.nav-prod-mega,
.nav-item.solu-hover > .nav-mega.nav-prod-mega { display: block !important; }
.prod-wrap { max-width: 1200px; margin: 0 auto; padding: 26px 20px 12px; display: flex; flex-wrap: wrap; }
.prod-col { width: 20%; padding-right: 24px; margin-bottom: 20px; box-sizing: border-box; }
/* 二级栏目：品牌色加粗标题 + 底部虚线（mcnet: 彩色粗体 + 1px dotted #ccc） */
.prod-col > a.prod-col-tit {
  display: block; flex-direction: row; gap: 0; padding: 0 0 8px; margin: 0 0 6px;
  font-size: 15px; font-weight: 700; color: var(--primary); line-height: 1.5;
  border-bottom: 1px dotted #cccccc; background: none; white-space: normal;
}
.prod-col > a.prod-col-tit:hover { background: none; opacity: .8; }
/* 三级子栏目：13px 竖排小字，hover 品牌色 */
.prod-col-items a {
  display: block; flex-direction: row; gap: 0; padding: 4px 0; margin: 0;
  font-size: 13px; font-weight: 400; color: #555; line-height: 1.6;
  background: none; white-space: normal; transition: color .15s;
}
.prod-col-items a:hover { background: none; color: var(--primary); }

/* ===== 解决方案面板（1:1 对标 h3c.com：h2 在左列顶部 + ul.two-column 两列平铺 + 右侧热门推荐） ===== */
/* 桌面端：面板全宽，nav-item-wide 设为 static 使面板相对于 header 定位（不用 :has()，兼容国产浏览器兼容模式/旧内核） */
@media (min-width: 1201px) {
  .nav-item-wide { position: static !important; }
}
.nav-item > .nav-mega.nav-solu-mega {
  left: 0; right: 0; transform: none;
  width: 100vw; min-width: 0; max-width: none; padding: 0;
  display: none; border-top: 2px solid var(--primary);
  background: #fff; box-shadow: 0 12px 32px rgba(0,0,0,.10);
}
.nav-item:hover > .nav-mega.nav-solu-mega,
.nav-item.solu-hover > .nav-mega.nav-solu-mega { display: block !important; }
/* h3c: .wide-menu-content 内容区 */
.solu-wrap { max-width: 1200px; margin: 0 auto; padding: 20px 20px 10px; }
/* h3c: .wide-menu-expend { display:flex; justify-content:space-between } */
.solu-body { display: flex; justify-content: space-between; gap: 60px; }
/* h3c 左列 24vw */
.solu-main { flex: 0 1 46%; min-width: 0; }
/* h3c: ul.two-column { display:flex; flex-wrap:wrap } li { width:50% }，链接 14px #727171 hover 主色+下划线 */
.solu-links { list-style: none; margin: 0; padding: 0; display: flex; flex-wrap: wrap; }
.solu-links li { width: 50%; margin-bottom: 16px; }
/* inner 收缩到文字宽度，三级浮层相对文字右缘定位（而非整列 50% 宽的右缘，避免箭头与浮层间空一大块） */
.solu-cat-inner { position: relative; display: inline-block; }
/* 覆盖 .nav-sub a 的卡片式内边距（三级栏目：16px/500/深色，比四级浮层醒目，主流站分组项做法） */
.solu-links .solu-cat-inner > a {
  display: flex; flex-direction: row; align-items: center; gap: 0;
  padding: 4px 16px 4px 0; margin: 0;
  font-size: 16px; font-weight: 500; color: #2b2b2b; text-decoration: none; background: none; line-height: 1.5;
  transition: color .2s;
}
.solu-links .solu-cat-inner > a:hover { color: var(--primary); background: none; }
/* 有四级菜单的三级栏目：名称后紧跟小箭头（作为 flex 内联项，不贴列右边缘） */
.solu-links li.has-items .solu-cat-inner > a::after {
  content: ""; flex: none; margin-left: 7px; align-self: center;
  width: 7px; height: 7px; transform: rotate(45deg);
  border-right: 1.5px solid #c2c2c2; border-top: 1.5px solid #c2c2c2;
  transition: border-color .2s;
}
.solu-links li.has-items:hover .solu-cat-inner > a::after,
.solu-links li.has-items.open .solu-cat-inner > a::after { border-color: var(--primary); }
/* 三级菜单：悬停二级栏目向右浮出（紧贴文字右缘，复用产品中心 .nav-sub 弹层定位） */
.solu-links .solu-third {
  top: 0; left: 100%; margin-left: 0; transform: none;
  min-width: 230px; max-width: 260px; padding: 6px 0; z-index: 60;
  display: none; border-radius: 6px; box-shadow: 0 10px 30px rgba(0,0,0,.12);
}
.solu-links li.has-items:hover .solu-third,
.solu-links li.has-items.open .solu-third { display: block !important; }
/* 四级方案项：13px/常规/浅灰，小于三级栏目，hover 浅灰底橙字 */
.solu-third a {
  display: block; flex-direction: row; gap: 0;
  padding: 8px 18px; font-size: 13px; font-weight: 400; line-height: 1.45; color: #6f6f6f;
  white-space: nowrap; overflow: hidden; text-overflow: ellipsis;
  background: #fff; transition: background .15s, color .15s;
}
.solu-third a:hover { background: #f7f7f7; color: var(--primary); }
/* h3c 右列：两张推荐图并排，紧凑展示（避免面板过高） */
.solu-aside { flex: 0 0 340px; max-width: 340px; }
.solu-aside h3 { margin: 0 0 12px; font-size: 16px; font-weight: 600; color: #1a1a1a; }
/* h3c: dl.promotions */
.solu-promo { margin: 0; display: flex; gap: 12px; }
.solu-promo dt { position: relative; overflow: hidden; flex: 1; min-width: 0; }
.solu-promo dt a { display: block; }
/* 推荐图固定缩略高度裁剪（原图 1216x912，原比例会把面板撑到 ~750px） */
.solu-promo dt img { display: block; width: 100%; max-width: 100%; height: 84px; object-fit: cover; transition: transform .3s; }
.solu-promo dt label {
  position: absolute; left: 0; right: 0; bottom: 0; margin: 0;
  background: rgba(62,58,57,.4); padding: 6px 10px;
  font-size: 13px; font-weight: 400; color: #fff; transition: all .3s;
  display: -webkit-box; -webkit-line-clamp: 1; -webkit-box-orient: vertical; overflow: hidden;
}
.solu-promo dt:hover img { transform: scale(1.1); }
.solu-promo dt:hover label { padding-left: 20px; background: #3e3a39; }
/* 摘要不再显示（标题已叠在图上，去掉后导航面板更紧凑） */
.solu-promo dd { display: none; }
.solu-promo dd:not(:last-child) { padding-bottom: 0; }

/* 桌面端：搜索表单/语言钮收进抽屉，主导航不显示 */
.main-nav .nav-search, .main-nav .nav-lang { display: none; }

/* 头部右侧：橙色电话号 */
.header-phone {
  display: flex; align-items: center; gap: 6px; flex-shrink: 0;
  color: var(--primary); font-size: 17px; font-weight: 700; white-space: nowrap;
}
.header-phone i { font-size: 15px; }

/* 头部右侧：中英文切换（桌面端显示；<=1200 收进抽屉，沿用 .nav-lang） */
.header-lang {
  display: inline-flex; align-items: center; gap: 5px; flex-shrink: 0;
  margin-left: 10px; font-size: 14px; color: #333; white-space: nowrap;
}
.header-lang:hover { color: var(--primary); }
.header-lang i { color: var(--primary); font-size: 15px; }
@media (max-width: 1200px) { .header-lang { display: none; } }
/* 英文菜单文字较长：1500 以下先隐藏搜索按钮，保证语言切换和 CTA 可见 */
@media (min-width: 1201px) and (max-width: 1500px) { .header-search-btn { display: none; } }

/* 抽屉内样式（<=1200px 生效） */
.nav-search { display: flex; margin-left: 8px; }
.nav-search input {
  width: 118px; border: 1px solid var(--border); border-radius: 20px 0 0 20px;
  padding: 8px 13px; font-size: 13px; outline: none; transition: width .2s;
}
.nav-search input:focus { width: 155px; border-color: var(--primary); }
.nav-search button { border: none; background: var(--primary); color: #fff; padding: 8px 16px; border-radius: 0 20px 20px 0; cursor: pointer; font-size: 13px; }
.nav-lang {
  display: inline-flex; align-items: center; gap: 6px; margin-left: 10px;
  padding: 7px 12px; border: 1px solid var(--primary); color: var(--primary);
  border-radius: 20px; font-size: 13px; font-weight: 600; transition: .2s; white-space: nowrap;
}
.nav-lang i { font-size: 14px; }
.nav-lang:hover { background: var(--primary); color: #fff; }
.nav-toggle { display: none; flex-direction: column; gap: 5px; background: none; border: none; cursor: pointer; padding: 8px; }
.nav-toggle span { width: 24px; height: 2px; background: var(--primary-deep); transition: .3s; }

/* ================= 首屏（左文右图，Mitech 风格） ================= */
.hero {
  position: relative; overflow: hidden; background:
    radial-gradient(circle at 88% 12%, rgba(232, 56, 13, .10), transparent 55%),
    linear-gradient(180deg, #fdeee9 0%, #f8fcfb 100%);
  padding: 60px 0 70px;
}
.hero-slides { display: block; }
.slide {
  display: none; align-items: center; grid-template-columns: 1.05fr 1fr; gap: 56px;
}
.slide.active { display: grid; animation: slideUp .7s both; }
.slide-eyebrow {
  display: inline-block; color: var(--primary); font-size: 14px; font-weight: 700;
  letter-spacing: 2px; text-transform: uppercase; margin-bottom: 16px;
}
.slide-title { font-size: 48px; line-height: 1.18; color: var(--primary-deep); font-weight: 800; margin-bottom: 20px; }
.slide-sub { font-size: 17px; color: var(--text-light); margin-bottom: 32px; max-width: 520px; }
.slide-actions { display: flex; gap: 14px; flex-wrap: wrap; }
.slide-visual { position: relative; }
.slide-visual img { width: 100%; border-radius: 16px; box-shadow: var(--shadow); }
.slide-visual::after {
  content: ""; position: absolute; width: 120px; height: 120px; background: var(--accent-2);
  border-radius: 50%; opacity: .16; right: -20px; bottom: -20px; z-index: -1;
}
@keyframes slideUp { from { opacity: 0; transform: translateY(24px); } to { opacity: 1; transform: none; } }
.hero-dots { position: absolute; bottom: 24px; left: 0; display: flex; gap: 10px; z-index: 5; padding-left: 20px; }
.hero-dots button { width: 30px; height: 5px; border-radius: 4px; border: none; background: rgba(232,56,13,.25); cursor: pointer; padding: 0; }
.hero-dots button.active { background: var(--primary); width: 50px; }

/* ================= 数据条 ================= */
.stats {
  background: linear-gradient(120deg, #b02a08, var(--primary-dark) 60%, var(--primary));
  color: #fff;
}
.stats-grid { display: grid; grid-template-columns: repeat(4,1fr); padding: 50px 20px; }
.stat-item { text-align: center; border-right: 1px solid rgba(255,255,255,.16); padding: 6px 10px; }
.stat-item:last-child { border-right: none; }
.stat-item strong { display: block; font-size: 46px; line-height: 1.1; font-weight: 800; color: var(--accent-2); }
.stat-item span { display: block; font-size: 17px; font-weight: 600; margin: 8px 0 4px; }
.stat-item em { display: block; font-style: normal; font-size: 13px; opacity: .72; }

/* ================= 关于 ================= */
.about-grid { display: grid; grid-template-columns: 1fr 1.05fr; gap: 60px; align-items: center; }
.about-img { position: relative; }
.about-img img { border-radius: 12px; box-shadow: var(--shadow); }
.about-years {
  position: absolute; bottom: -22px; right: -10px; background: #fff;
  padding: 18px 26px; border-radius: 12px; box-shadow: var(--shadow); text-align: center;
}
.about-years b { display: block; font-size: 40px; line-height: 1; color: var(--primary); font-weight: 800; }
.about-years span { font-size: 13px; color: var(--text-light); }
.about-text .section-title { margin-bottom: 18px; }
.about-text p { color: var(--text-light); margin-bottom: 26px; font-size: 15.5px; }

/* ================= 卡片网格 ================= */
.grid { display: grid; gap: 26px; }
.grid-3 { grid-template-columns: repeat(3,1fr); }
.grid-4 { grid-template-columns: repeat(4,1fr); }
.card {
  background: #fff; border-radius: 12px; overflow: hidden;
  box-shadow: 0 6px 22px rgba(232, 56, 13, .06); transition: transform .28s, box-shadow .28s; display: block;
  border: 1px solid var(--border);
}
.card:hover { transform: translateY(-7px); box-shadow: 0 20px 44px rgba(232, 56, 13, .16); border-color: transparent; }
.card-img { aspect-ratio: 16/10; overflow: hidden; background: var(--bg-gray); }
.card-img img { width: 100%; height: 100%; object-fit: cover; transition: transform .45s; }
.card:hover .card-img img { transform: scale(1.07); }
.card-body { padding: 22px 24px 26px; position: relative; }
.card-body h3 { font-size: 18px; margin-bottom: 10px; color: var(--primary-deep); transition: color .2s; }
.card:hover .card-body h3 { color: var(--primary); }
.card-body p { font-size: 14px; color: var(--text-light); display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }
.card-more { display: inline-block; margin-top: 16px; color: var(--primary); font-size: 14px; font-weight: 700; }
.card-more::after { content: " →"; transition: transform .2s; display: inline-block; }
.card:hover .card-more::after { transform: translateX(4px); }
.tag {
  display: inline-block; background: #fdeee9; color: var(--primary); font-size: 12px; font-weight: 600;
  padding: 4px 12px; border-radius: 20px;
}
.tag-blue { background: #fdeee9; color: var(--primary); }

/* ================= 新闻 ================= */
.news-grid { display: grid; grid-template-columns: repeat(2,1fr); gap: 24px 30px; }
.news-item {
  display: flex; gap: 20px; background: #fff; padding: 20px; border-radius: 12px;
  box-shadow: 0 6px 22px rgba(232, 56, 13, .05); transition: .25s; border: 1px solid var(--border);
}
.news-item:hover { transform: translateY(-4px); box-shadow: 0 16px 36px rgba(232, 56, 13, .12); border-color: transparent; }
.news-img { width: 170px; flex-shrink: 0; border-radius: 10px; overflow: hidden; aspect-ratio: 4/3; }
.news-img img { width: 100%; height: 100%; object-fit: cover; transition: transform .4s; }
.news-item:hover .news-img img { transform: scale(1.06); }
.news-info h3 { font-size: 17px; margin: 6px 0 8px; color: var(--primary-deep); transition: color .2s; }
.news-item:hover .news-info h3 { color: var(--primary); }
.news-info p { font-size: 13.5px; color: var(--text-light); display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }
.news-info time { font-size: 13px; color: #94a3b8; }

/* ================= CTA ================= */
.cta {
  background: linear-gradient(120deg, #b02a08, var(--primary-dark) 55%, var(--primary));
  color: #fff; text-align: center; padding: 66px 20px; position: relative; overflow: hidden;
}
.cta::before { content:""; position:absolute; right:-80px; top:-80px; width:280px; height:280px; border-radius:50%; background:var(--accent-2); opacity:.12; }
.cta h2 { font-size: 32px; margin-bottom: 14px; position: relative; }
.cta p { font-size: 17px; margin-bottom: 28px; opacity: .92; position: relative; }
.cta b { font-size: 26px; }

/* ================= 内页头 ================= */
.page-hero {
  background: linear-gradient(120deg, #b02a08, var(--primary-dark) 55%, var(--primary));
  color: #fff; padding: 58px 0 46px; position: relative; overflow: hidden;
}
.page-hero::after {
  content: ""; position: absolute; right: -80px; top: -80px; width: 320px; height: 320px;
  border-radius: 50%; background: rgba(57,193,255,.12);
}
.page-hero h1 { font-size: 34px; margin-bottom: 12px; position: relative; }
.breadcrumb { font-size: 14px; opacity: .85; position: relative; }
.breadcrumb a:hover { color: var(--accent); }
.breadcrumb span { margin: 0 8px; opacity: .6; }

/* 子分类 */
.sub-tabs { display: flex; flex-wrap: wrap; gap: 12px; margin-bottom: 36px; justify-content: center; }
.sub-tabs a { padding: 8px 24px; border: 1px solid var(--border); border-radius: 30px; font-size: 14px; color: var(--text-light); }
.sub-tabs a:hover, .sub-tabs a.active { background: var(--primary); border-color: var(--primary); color: #fff; }

/* ================= 文章列表 ================= */
.article-list { display: flex; flex-direction: column; gap: 20px; }
.article-row {
  display: flex; gap: 24px; padding: 24px; border: 1px solid var(--border); border-radius: var(--radius);
  background: #fff; transition: .2s;
}
.article-row:hover { border-color: var(--primary); box-shadow: var(--shadow); }
.article-thumb { width: 230px; flex-shrink: 0; border-radius: 8px; overflow: hidden; aspect-ratio: 16/10; }
.article-thumb img { width: 100%; height: 100%; object-fit: cover; }
.article-main h3 { font-size: 19px; margin-bottom: 10px; color: var(--primary-deep); transition: color .2s; }
.article-row:hover .article-main h3 { color: var(--primary); }
.article-main p { color: var(--text-light); font-size: 14px; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }
.article-meta { display: flex; gap: 20px; margin-top: 14px; font-size: 13px; color: #94a3b8; }
.top-flag { background: #f56c6c; color: #fff; font-size: 11px; padding: 2px 8px; border-radius: 4px; margin-right: 8px; vertical-align: 2px; }

/* ================= 详情 ================= */
.detail-head { text-align: center; padding-bottom: 22px; border-bottom: 1px solid var(--border); margin-bottom: 30px; }
.detail-head h1 { font-size: 30px; line-height: 1.4; color: var(--primary-deep); margin-bottom: 16px; }
.detail-meta { display: flex; justify-content: center; flex-wrap: wrap; gap: 22px; font-size: 13.5px; color: var(--text-light); }
.detail-cover { margin-bottom: 30px; border-radius: var(--radius); overflow: hidden; }
.detail-cover img { width: 100%; }
.case-meta, .job-meta { gap: 14px 26px; }

.rich-content { font-size: 15.5px; line-height: 1.95; color: #334155; }
.rich-content h2, .rich-content h3 { color: var(--primary-deep); margin: 26px 0 14px; }
.rich-content h2 { font-size: 22px; }
.rich-content h3 { font-size: 18px; }
.rich-content p { margin-bottom: 16px; }
.rich-content ul, .rich-content ol { margin: 0 0 16px 22px; }
.rich-content li { margin-bottom: 8px; list-style: disc; }
.rich-content img { border-radius: 8px; margin: 16px 0; max-width: 100%; height: auto; }
.rich-content a { color: var(--primary); }
.rich-content table { border-collapse: collapse; width: 100%; margin: 16px 0; }
.rich-content th, .rich-content td { border: 1px solid var(--border); padding: 10px 14px; }
.rich-content blockquote { border-left: 4px solid var(--primary); background: var(--bg-gray); padding: 14px 20px; margin: 16px 0; color: var(--text-light); }

.prev-next { margin-top: 40px; padding-top: 24px; border-top: 1px solid var(--border); display: grid; gap: 12px; font-size: 14px; }
.prev-next a { color: var(--primary); }
.tab-title { font-size: 22px; color: var(--primary-deep); margin-bottom: 18px; padding-left: 14px; border-left: 4px solid var(--primary); }

/* 产品详情 */
.product-overview { display: grid; grid-template-columns: 1fr 1.1fr; gap: 46px; align-items: start; margin-bottom: 50px; }
.product-img { border-radius: var(--radius); overflow: hidden; box-shadow: var(--shadow); }
.product-info h1 { font-size: 28px; color: var(--primary-deep); margin-bottom: 16px; }
.product-summary { color: var(--text-light); font-size: 16px; margin-bottom: 24px; }
.feature-list { margin-bottom: 30px; display: grid; gap: 10px; }
.feature-list li { padding-left: 28px; position: relative; }
.feature-list li::before {
  content: "✓"; position: absolute; left: 0; top: 1px; width: 19px; height: 19px; border-radius: 50%;
  background: #fdeee9; color: #E8380D; font-size: 12px; display: flex; align-items: center; justify-content: center;
}
.detail-tabs { padding-top: 10px; border-top: 1px solid var(--border); }

/* ================= 招聘 ================= */
.job-list { display: flex; flex-direction: column; gap: 16px; }
.job-row {
  display: flex; justify-content: space-between; align-items: center; gap: 20px;
  padding: 22px 28px; border: 1px solid var(--border); border-radius: var(--radius); transition: .2s;
}
.job-row:hover { border-color: var(--primary); box-shadow: var(--shadow); }
.job-main h3 { font-size: 18px; color: var(--primary-deep); margin-bottom: 10px; }
.job-tags { display: flex; flex-wrap: wrap; gap: 8px; }
.job-tags span { font-size: 13px; color: var(--text-light); background: var(--bg-gray); padding: 3px 12px; border-radius: 4px; }
.job-side { text-align: right; flex-shrink: 0; }
.salary { color: #f56c6c; font-size: 17px; display: block; margin-bottom: 8px; }
.apply-box { background: var(--bg-gray); border-radius: var(--radius); padding: 26px 30px; margin-top: 30px; display: flex; align-items: center; justify-content: space-between; gap: 16px; flex-wrap: wrap; }

/* ================= 联系 ================= */
.contact-grid { display: grid; grid-template-columns: .9fr 1.1fr; gap: 50px; align-items: start; }
.contact-cards { display: grid; gap: 14px; margin: 24px 0; }
.contact-cards li { background: var(--bg-gray); border-radius: 10px; padding: 16px 20px; }
.contact-cards b { display: block; color: var(--primary); font-size: 13px; margin-bottom: 4px; }
.qrcode { text-align: center; }
.qrcode img { width: 150px; height: 150px; object-fit: cover; margin: 0 auto 8px; border-radius: 8px; }
.qrcode small { color: var(--text-light); }
.contact-form-wrap { background: #fff; border: 1px solid var(--border); border-radius: var(--radius); padding: 34px; box-shadow: var(--shadow); }
.contact-form-wrap h2 { font-size: 22px; color: var(--primary-deep); margin-bottom: 22px; }
.form-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.contact-form label { display: block; margin-bottom: 16px; }
.contact-form label span { display: block; font-size: 13.5px; color: var(--text-light); margin-bottom: 6px; }
.contact-form input, .contact-form textarea {
  width: 100%; border: 1px solid var(--border); border-radius: 8px; padding: 11px 14px;
  font-size: 14px; font-family: inherit; outline: none; transition: border .15s;
}
.contact-form input:focus, .contact-form textarea:focus { border-color: var(--primary); box-shadow: 0 0 0 3px rgba(232,56,13,.1); }
.form-alert { padding: 12px 16px; border-radius: 8px; font-size: 14px; margin-bottom: 18px; }
.form-alert.ok { background: #e6f4ea; color: #15803d; }
.form-alert.error { background: #fef2f2; color: #b91c1c; }

/* 搜索页 */
.page-search { display: flex; max-width: 560px; margin-top: 18px; }
.page-search input { flex: 1; border: none; border-radius: 8px 0 0 8px; padding: 12px 18px; font-size: 15px; outline: none; }
.page-search .btn { border-radius: 0 8px 8px 0; }

/* 404 */
.error-page { text-align: center; padding: 110px 20px; }
.error-code { font-size: 120px; font-weight: 800; background: linear-gradient(135deg, var(--accent), var(--primary)); -webkit-background-clip: text; background-clip: text; color: transparent; line-height: 1; }
.error-page h1 { color: var(--text-light); margin: 16px 0 30px; font-weight: 500; }

/* ================= 分页 ================= */
.pager { display: flex; justify-content: center; gap: 8px; margin-top: 44px; flex-wrap: wrap; }
.pager a, .pager span {
  min-width: 40px; height: 40px; padding: 0 12px; display: flex; align-items: center; justify-content: center;
  border: 1px solid var(--border); border-radius: 8px; font-size: 14px; color: var(--text);
}
.pager a:hover { border-color: var(--primary); color: var(--primary); }
.pager .pg-current { background: var(--primary); border-color: var(--primary); color: #fff; }
.pager .pg-disabled { color: #c3ccd9; background: var(--bg-gray); }

/* ================= 页脚（Mitech 浅色） ================= */
.site-footer { background: #f6f6f7; color: var(--text-light); padding-top: 64px; }
.footer-grid { display: grid; grid-template-columns: 1.5fr 1.2fr 1fr 1fr; gap: 46px; padding-bottom: 44px; }
.footer-logo { display: flex; align-items: center; gap: 10px; color: var(--ink); font-size: 20px; font-weight: 800; margin-bottom: 18px; }
.footer-about p { font-size: 14px; line-height: 1.9; margin-bottom: 20px; }
.footer-social { display: flex; gap: 12px; }
.footer-social a {
  width: 42px; height: 42px; border-radius: 50%; background: #fff; border: 1px solid #e6e6e6;
  display: flex; align-items: center; justify-content: center; color: #8a8a8a; font-size: 15px; transition: .2s;
}
.footer-social a:hover { background: var(--primary); border-color: var(--primary); color: #fff; transform: translateY(-3px); }
.footer-col h4 { color: var(--ink); font-size: 16px; margin-bottom: 22px; font-weight: 700; }
.footer-contact li { margin-bottom: 13px; font-size: 14px; display: flex; gap: 10px; }
.footer-contact li b { color: var(--ink); font-weight: 600; min-width: 48px; }
.footer-links li { margin-bottom: 11px; }
.footer-links a { font-size: 14px; color: var(--text-light); transition: .2s; }
.footer-links a::before { content: "›"; margin-right: 8px; color: #b5b5b5; }
.footer-links a:hover { color: var(--primary); padding-left: 4px; }
.footer-links a:hover::before { color: var(--primary); }
.footer-bottom { border-top: 1px solid #e9e9e9; padding: 22px 0; font-size: 13.5px; color: #8a8a8a; }
.footer-bottom .container { display: flex; justify-content: center; gap: 24px; flex-wrap: wrap; }
.footer-bottom a:hover { color: var(--primary); }

/* 返回顶部 */
.back-top {
  position: fixed; right: 24px; bottom: 30px; width: 44px; height: 44px; border-radius: 50%;
  background: var(--primary); color: #fff; display: flex; align-items: center; justify-content: center;
  font-size: 20px; opacity: 0; visibility: hidden; transition: .25s; box-shadow: 0 6px 18px rgba(232,56,13,.4); z-index: 90;
}
.back-top.show { opacity: 1; visibility: visible; }
.back-top:hover { background: var(--primary-dark); }

/* ================= Mitech 新增组件 ================= */
/* 服务卡 */
.service-grid { gap: 28px; }
.service-item {
  display: block; background: #fff; padding: 34px 28px 30px; border-radius: 12px;
  border: 1px solid var(--border); transition: .3s; position: relative; overflow: hidden;
}
.service-item::before {
  content:""; position:absolute; top:0; left:0; width:0; height:3px; background:var(--primary); transition:width .3s;
}
.service-item:hover { transform: translateY(-8px); box-shadow: 0 20px 48px rgba(232,56,13,.14); border-color: transparent; }
.service-item:hover::before { width: 100%; }
.service-icon {
  width: 64px; height: 64px; border-radius: 12px;
  background: linear-gradient(135deg, rgba(232,56,13,.1), rgba(232,56,13,.05));
  color: var(--primary); display: flex; align-items: center; justify-content: center; font-size: 26px; margin-bottom: 22px;
  transition: .3s;
}
.service-item:hover .service-icon { background: var(--primary); color: #fff; transform: rotateY(180deg); }
.service-item .heading { font-size: 19px; color: var(--primary-deep); margin-bottom: 12px; font-weight: 700; }
.service-item .text { font-size: 14px; color: var(--text-light); line-height: 1.75; margin-bottom: 18px; }
.feature-btn { font-size: 14px; font-weight: 700; color: var(--primary); }
.feature-btn i { margin-left: 6px; transition: .25s; }
.service-item:hover .feature-btn i { margin-left: 12px; }

/* 关于 tabs */
.about-tabs { margin-top: 28px; }
.about-tab-nav { display: flex; gap: 6px; border-bottom: 2px solid var(--border); margin-bottom: 18px; flex-wrap: wrap; }
.about-tab-btn {
  background: none; border: none; padding: 10px 18px; font-size: 14.5px; font-weight: 600;
  color: var(--text-light); cursor: pointer; position: relative; transition: .2s;
}
.about-tab-btn:hover { color: var(--primary); }
.about-tab-btn.active { color: var(--primary); }
.about-tab-btn.active::after {
  content:""; position:absolute; left:0; right:0; bottom:-2px; height:2px; background:var(--primary);
}
.about-tab-pane { display: none; color: var(--text-light); font-size: 15px; line-height: 1.85; }
.about-tab-pane.active { display: block; animation: slideUp .4s both; }

/* CTA 服务入口条 */
.cta-service {
  background: linear-gradient(120deg, #b02a08, var(--primary-dark) 55%, var(--primary));
  color: #fff; position: relative; overflow: hidden;
}
.cta-service::after { content:""; position:absolute; right:-60px; top:-60px; width:220px; height:220px; border-radius:50%; background:var(--accent-2); opacity:.15; }
.cta-service-inner { display: flex; align-items: center; gap: 40px; padding: 42px 0; position: relative; flex-wrap: wrap; }
.cta-service-text { flex: 1; min-width: 260px; }
.cta-service-text h3 { font-size: 24px; margin-bottom: 8px; }
.cta-service-text p { opacity: .85; font-size: 15px; }
.cta-service-actions { display: flex; gap: 14px; align-items: center; flex-wrap: wrap; }
.cta-service-actions a:not(.btn) {
  color: #fff; font-size: 14px; padding: 8px 18px; border: 1px solid rgba(255,255,255,.35);
  border-radius: 6px; transition: .2s;
}
.cta-service-actions a:not(.btn):hover { background: rgba(255,255,255,.12); border-color: #fff; }

/* 特性卡 */
.feature-grid { gap: 28px; }
.feature-item { text-align: center; padding: 38px 26px; }
.feature-icon {
  width: 78px; height: 78px; border-radius: 50%; margin: 0 auto 22px;
  background: linear-gradient(135deg, var(--primary), var(--primary-dark));
  color: #fff; display: flex; align-items: center; justify-content: center; font-size: 30px;
  box-shadow: 0 10px 26px rgba(232,56,13,.25);
}
.feature-item h4 { font-size: 19px; color: var(--primary-deep); margin-bottom: 12px; }
.feature-item p { color: var(--text-light); font-size: 14.5px; line-height: 1.8; }

/* 奖项 */
.awards-grid { display: grid; grid-template-columns: repeat(4,1fr); gap: 24px; }
.award-item {
  display: flex; align-items: center; gap: 14px; background: #fff; padding: 22px 24px;
  border-radius: 10px; border: 1px solid var(--border); transition: .25s;
}
.award-item:hover { transform: translateY(-4px); box-shadow: 0 14px 34px rgba(232,56,13,.1); border-color: transparent; }
.award-item i { font-size: 30px; color: var(--accent-2); }
.award-item span { font-size: 14.5px; font-weight: 600; color: var(--primary-deep); }

/* 团队 */
.team-grid { gap: 26px; }
.team-item { background: #fff; border-radius: 12px; overflow: hidden; border: 1px solid var(--border); transition: .3s; }
.team-item:hover { transform: translateY(-6px); box-shadow: 0 18px 40px rgba(232,56,13,.13); border-color: transparent; }
.team-img { aspect-ratio: 1/1; overflow: hidden; }
.team-img img { width: 100%; height: 100%; object-fit: cover; transition: transform .4s; }
.team-item:hover .team-img img { transform: scale(1.06); }
.team-info { padding: 18px 20px; text-align: center; }
.team-info h5 { font-size: 17px; color: var(--primary-deep); margin-bottom: 4px; }
.team-info span { font-size: 13px; color: var(--primary); font-weight: 600; }

/* 案例卡 */
.case-grid { gap: 28px; }
.case-item { display: block; background: #fff; border-radius: 12px; overflow: hidden; border: 1px solid var(--border); transition: .3s; }
.case-item:hover { transform: translateY(-8px); box-shadow: 0 22px 48px rgba(232,56,13,.15); border-color: transparent; }
.case-img { aspect-ratio: 16/10; overflow: hidden; }
.case-img img { width: 100%; height: 100%; object-fit: cover; transition: transform .5s; }
.case-item:hover .case-img img { transform: scale(1.08); }
.case-content { padding: 24px 26px 28px; }
.case-cat { display: inline-block; font-size: 12px; font-weight: 700; color: var(--accent-2); letter-spacing: 1px; text-transform: uppercase; margin-bottom: 10px; }
.case-content .heading { font-size: 18px; color: var(--primary-deep); margin-bottom: 10px; font-weight: 700; transition: color .2s; }
.case-item:hover .case-content .heading { color: var(--primary); }
.case-content p { font-size: 14px; color: var(--text-light); margin-bottom: 16px; line-height: 1.7; }
.case-more { font-size: 14px; font-weight: 700; color: var(--primary); }
.case-more i { margin-left: 6px; transition: .25s; }
.case-item:hover .case-more i { margin-left: 12px; }

/* 评价 */
.testimonials-section { background: #fff; }
.testimonials-grid { gap: 26px; }
.testimonial-item {
  background: var(--bg-gray); padding: 34px 30px; border-radius: 12px; position: relative; transition: .3s;
  border: 1px solid var(--border);
}
.testimonial-item:hover { transform: translateY(-6px); box-shadow: 0 18px 40px rgba(232,56,13,.1); border-color: transparent; }
.quote-ico { font-size: 32px; color: var(--accent-2); opacity: .4; margin-bottom: 16px; }
.testimonial-text { font-size: 15px; color: var(--text); line-height: 1.85; margin-bottom: 22px; }
.testimonial-author strong { display: block; color: var(--primary-deep); font-size: 15px; }
.testimonial-author span { font-size: 13px; color: var(--primary); font-weight: 600; }

/* ================= 响应式 ================= */
@media (max-width: 992px) {
  .grid-4 { grid-template-columns: repeat(2,1fr); }
  .grid-3 { grid-template-columns: repeat(2,1fr); }
  .about-grid { grid-template-columns: 1fr; gap: 34px; }
  .product-overview { grid-template-columns: 1fr; gap: 28px; }
  .contact-grid { grid-template-columns: 1fr; gap: 34px; }
  .footer-grid { grid-template-columns: 1fr 1fr; gap: 34px; }
  .stats-grid { grid-template-columns: repeat(2,1fr); gap: 26px 0; }
  .stat-item:nth-child(2) { border-right: none; }

  .hero { padding: 40px 0 56px; }
  .slide { grid-template-columns: 1fr; gap: 32px; }
  .slide-title { font-size: 34px; }
  .slide-sub { font-size: 16px; }
  .awards-grid { grid-template-columns: repeat(2,1fr); }
}

/* 中屏（<=1200）即折叠为右侧汉堡抽屉，避免中英文导航溢出 */
@media (max-width: 1200px) {
  .nav-toggle { display: flex; z-index: 120; }
  .header-phone { display: none; }
  .main-nav .nav-search { display: flex; }
  .main-nav .nav-lang { display: inline-flex; }
  .main-nav {
    position: fixed; top: 0; right: -300px; width: 280px; height: 100vh; background: #fff;
    flex-direction: column; align-items: stretch; gap: 0; padding: 84px 18px 30px;
    box-shadow: -8px 0 30px rgba(0,0,0,.12); transition: right .3s; overflow-y: auto; z-index: 110;
  }
  .main-nav.open { right: 0; }
  .main-nav > a, .nav-item > .nav-tit { padding: 13px 10px; height: auto; line-height: 1.4; border-bottom: 1px solid var(--bg-gray); font-size: 16px; }
  .nav-sub, .nav-mega { position: static; opacity: 1; visibility: visible; transform: none; box-shadow: none; border: none; border-radius: 0; padding: 0 0 6px 16px; display: none; min-width: 0; max-width: none; }
  .nav-item.open .nav-sub { display: block; }
  .nav-item:hover .nav-sub { display: none; }
  .nav-item.open:hover .nav-sub { display: block; }
  .caret { transition: transform .2s; }
  .nav-item.open .caret { transform: rotate(180deg); }
  /* 抽屉内子菜单（任意层级）：点击展开，静态缩进 */
  .nav-sub-item > .nav-sub { position: static; opacity: 1; visibility: visible; transform: none; box-shadow: none; padding: 0 0 4px 14px; display: none; min-width: 0; margin-top: 0; }
  .nav-sub-item.open > .nav-sub { display: block; }
  .nav-sub-item:hover > .nav-sub { display: none; }
  .nav-sub-item.open:hover > .nav-sub { display: block; }
  .nav-sub-item.open > .nav-sub-link .caret { transform: rotate(180deg); position: static; opacity: .6; }
  .nav-sub a:hover, .nav-sub-link:hover { background: none; }
  .nav-mega { display: none !important; grid-template-columns: 1fr; gap: 0; min-width: 0; max-width: none; padding: 0; box-shadow: none; }
  .nav-item.open .nav-mega { display: block !important; }
  .nav-mega .nav-sub-link { display: block; }
  /* 抽屉内解决方案面板（h3c 结构）：静态堆叠 */
  .nav-solu-mega { display: none !important; position: static !important; width: 100% !important; left: 0 !important; transform: none !important; box-shadow: none !important; background: transparent !important; padding: 0 !important; border-top: 0 !important; }
  .nav-item.open .nav-solu-mega, .nav-item:hover > .nav-solu-mega, .nav-item.solu-hover > .nav-solu-mega { display: block !important; }
  .nav-solu-mega .solu-wrap { padding: 4px 0 8px; }
  .nav-solu-mega .solu-body { display: block; }
  .nav-solu-mega .solu-links li { width: 100%; margin-bottom: 0; }
  .nav-solu-mega .solu-cat-inner { display: block; }
  .nav-solu-mega .solu-links .solu-cat-inner > a { display: flex; padding: 7px 12px 7px 0; font-size: 15px; font-weight: 500; color: #2b2b2b; }
  /* 触摸端不允许 hover 弹出三级，只认点击 open */
  .nav-solu-mega .solu-links li.has-items:hover .solu-third { display: none; }
  .nav-solu-mega .solu-links li.has-items.open:hover .solu-third { display: block !important; }
  /* 三级菜单抽屉内静态缩进项（点击二级栏目展开） */
  .nav-solu-mega .solu-links .solu-third {
    position: static; left: auto; top: auto; margin: 0; transform: none;
    min-width: 0; max-width: none; width: 100%;
    box-shadow: none; border-radius: 0; padding: 0 0 4px 14px;
  }
  .nav-solu-mega .solu-third a {
    display: block; padding: 5px 0; font-size: 12px; color: #8a8a8a;
    white-space: normal; overflow: visible; text-overflow: clip; background: none;
  }
  .nav-solu-mega .solu-third a:hover { background: none; color: var(--primary); }
  .nav-solu-mega .solu-aside { flex: none; max-width: none; width: auto; margin-top: 6px; }
  .nav-solu-mega .solu-aside h3 { font-size: 15px; margin-bottom: 8px; }
  .nav-solu-mega .solu-promo dd { padding-top: 8px; font-size: 13px; }
  .nav-solu-mega .solu-promo dd:not(:last-child) { padding-bottom: 8px; }
  /* 抽屉内产品中心面板（mcnet 结构）：静态堆叠，二级标题+三级缩进 */
  .nav-prod-mega { display: none !important; position: static !important; width: 100% !important; left: 0 !important; transform: none !important; box-shadow: none !important; background: transparent !important; padding: 0 !important; border-top: 0 !important; }
  .nav-item.open .nav-prod-mega, .nav-item.solu-hover > .nav-prod-mega { display: block !important; }
  .nav-prod-mega .prod-wrap { display: block; max-width: none; padding: 4px 0 8px; }
  .nav-prod-mega .prod-col { width: 100%; padding: 0; margin-bottom: 2px; }
  .nav-prod-mega .prod-col > a.prod-col-tit { font-size: 14px; font-weight: 600; color: #2b2b2b; padding: 7px 0 5px; margin-bottom: 2px; border-bottom: none; }
  .nav-prod-mega .prod-col-items { padding-left: 14px; }
  .nav-prod-mega .prod-col-items a { font-size: 13px; color: #888; padding: 5px 0; }
  .nav-prod-mega .prod-col-items a:hover { color: var(--primary); }
  .nav-search { margin: 18px 0 0; }
  .nav-search input, .nav-search input:focus { width: auto; flex: 1; border-radius: 8px 0 0 8px; }
  .nav-search button { border-radius: 0 8px 8px 0; }
  .nav-lang { margin: 16px 0 0; align-self: flex-start; }
  .nav-mask { position: fixed; inset: 0; background: rgba(0,0,0,.4); z-index: 105; opacity: 0; visibility: hidden; transition: .3s; }
  .nav-mask.show { opacity: 1; visibility: visible; }
  .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); }
}

@media (max-width: 640px) {
  .section { padding: 48px 0; }
  .container { padding: 0 16px; }
  .topbar-left .hide-sm { display: none; }
  .section-title h2 { font-size: 20px; }
  .grid-3, .grid-4, .news-grid { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr; }
  .slide-title { font-size: 28px; }
  .slide-sub { font-size: 14.5px; margin-bottom: 24px; }
  .stats-grid { grid-template-columns: 1fr 1fr; }
  .stat-item strong { font-size: 30px; }
  .article-row { flex-direction: column; gap: 16px; padding: 18px; }
  .article-thumb { width: 100%; aspect-ratio: 16/9; }
  .job-row { flex-direction: column; align-items: flex-start; }
  .job-side { text-align: left; }
  .form-grid { grid-template-columns: 1fr; }
  .contact-form-wrap { padding: 22px 18px; }
  .page-hero { padding: 40px 0 32px; }
  .page-hero h1, .detail-head h1 { font-size: 24px; }
  .detail-meta { gap: 8px 16px; }
  .prev-next { font-size: 13px; }
  .apply-box { flex-direction: column; text-align: center; }
  .error-code { font-size: 80px; }
  .back-top { right: 14px; bottom: 18px; width: 40px; height: 40px; }
}

/* ================================================================== */
/* ============   Mitech InfoTechno 首页专属组件   ================== */
/* ================================================================== */
.hl { color: var(--primary); }
.mk-eyebrow { display: inline-block; color: var(--primary); font-size: 17px; font-weight: 600; margin-bottom: 18px; }

/* 1. Hero */
.mk-hero { background: var(--cream); position: relative; overflow: hidden; }
.mk-hero-inner { display: grid; grid-template-columns: 1.02fr .98fr; gap: 50px; align-items: center; padding: 78px 20px 88px; }
.mk-hero-text h1 { font-size: 50px; line-height: 1.16; font-weight: 800; color: var(--ink); margin-bottom: 22px; letter-spacing: -.5px; }
.mk-hero-text h1 .hl { color: var(--primary); }
.mk-hero-sub { font-size: 18px; color: var(--text-light); margin-bottom: 34px; max-width: 480px; }
.mk-hero-actions { display: flex; align-items: center; gap: 26px; flex-wrap: wrap; }
.mk-textlink { color: var(--ink); font-weight: 600; font-size: 15px; }
.mk-textlink i { transition: .2s; margin-left: 4px; }
.mk-textlink:hover { color: var(--primary); }
.mk-textlink:hover i { margin-left: 10px; }
.mk-hero-visual img { width: 100%; height: 560px; object-fit: cover; object-position: center top; border-radius: 10px; }

/* 2. Clients */
.mk-clients { background: #fff; padding: 34px 0; border-bottom: 1px solid #f0f0f0; }
.mk-clients-inner { display: flex; justify-content: space-between; align-items: center; flex-wrap: wrap; gap: 20px 40px; }
.mk-client { font-size: 22px; font-weight: 800; letter-spacing: 2px; color: #c4c4c4; transition: .2s; }
.mk-client:hover { color: var(--primary); }

/* 3. Services */
.mk-services { background: var(--bg-gray); padding: 92px 0; }
.mk-services-grid { display: grid; grid-template-columns: repeat(3,1fr); gap: 30px; }
.mk-svc {
  background: #fff; border-radius: 12px; padding: 46px 32px 40px; text-align: center;
  box-shadow: 0 8px 30px rgba(232,56,13,.06); transition: .3s; display: block;
}
.mk-svc:hover { transform: translateY(-10px); box-shadow: 0 24px 50px rgba(232,56,13,.14); }
.mk-svc-ic {
  width: 92px; height: 92px; margin: 0 auto 26px; border-radius: 50%;
  background: linear-gradient(135deg, #fdeee9, #fbe3da); color: var(--primary);
  display: flex; align-items: center; justify-content: center; font-size: 38px; transition: .3s;
}
.mk-svc:hover .mk-svc-ic { background: var(--primary); color: #fff; }
.mk-svc h5 { font-size: 21px; color: var(--ink); margin-bottom: 14px; font-weight: 700; }
.mk-svc p { color: var(--text-light); font-size: 14.5px; line-height: 1.85; margin-bottom: 26px; }
.mk-svc-more {
  width: 56px; height: 56px; border-radius: 50%; background: var(--accent-2); color: #fff;
  display: inline-flex; align-items: center; justify-content: center; transition: .3s;
}
.mk-svc:hover .mk-svc-more { background: var(--primary); transform: rotate(-45deg); }

/* 4. Challenge */
.mk-challenge { background: #fff; padding: 38px 0; border-top: 1px solid #f1f1f1; border-bottom: 1px solid #f1f1f1; }
.mk-challenge-inner { display: flex; align-items: center; justify-content: space-between; gap: 24px; flex-wrap: wrap; }
.mk-challenge h3 { font-size: 23px; color: var(--ink); font-weight: 600; }
.mk-challenge-link { color: var(--primary); font-weight: 700; font-size: 17px; white-space: nowrap; }
.mk-challenge-link i { transition: .2s; margin-left: 6px; }
.mk-challenge-link:hover i { margin-left: 12px; }

/* 5. About accordion */
.mk-about { background: var(--cream); padding: 96px 0; }
.mk-about-inner { display: grid; grid-template-columns: .9fr 1.1fr; gap: 64px; align-items: center; }
.mk-about-left h2 { font-size: 36px; color: var(--ink); font-weight: 700; line-height: 1.3; margin-bottom: 22px; }
.mk-about-left p { color: var(--text-light); font-size: 16px; line-height: 1.95; }
.mk-acc-item { border-top: 1px solid rgba(0,0,0,.12); }
.mk-acc-item:last-child { border-bottom: 1px solid rgba(0,0,0,.12); }
.mk-acc-head { width: 100%; background: none; border: none; cursor: pointer; display: flex; align-items: center; gap: 26px; padding: 24px 0; text-align: left; }
.mk-acc-no { font-size: 30px; font-weight: 700; color: #b5b5b5; min-width: 56px; }
.mk-acc-title { flex: 1; font-size: 21px; font-weight: 600; color: var(--ink); }
.mk-acc-arrow { color: var(--ink); font-size: 15px; transition: transform .3s; }
.mk-acc-item.open .mk-acc-title { color: var(--primary); }
.mk-acc-item.open .mk-acc-arrow { transform: rotate(90deg); color: var(--primary); }
.mk-acc-body { max-height: 0; overflow: hidden; transition: max-height .35s ease; }
.mk-acc-item.open .mk-acc-body { max-height: 220px; }
.mk-acc-body p { color: var(--text-light); font-size: 15px; line-height: 1.9; padding: 0 0 24px 82px; }

/* 6. Hire us */
.mk-hire { background: #fff; padding: 92px 0; }
.mk-hire-grid { display: grid; grid-template-columns: repeat(3,1fr); gap: 28px; }
.mk-hire-item { position: relative; border-radius: 12px; overflow: hidden; aspect-ratio: 3/3.6; }
.mk-hire-item img { width: 100%; height: 100%; object-fit: cover; transition: transform .5s; }
.mk-hire-item::after { content:""; position:absolute; inset:0; background: linear-gradient(to top, rgba(21,24,36,.82) 0%, rgba(21,24,36,.15) 55%, rgba(21,24,36,0) 100%); transition:.3s; }
.mk-hire-item:hover img { transform: scale(1.07); }
.mk-hire-title { position: absolute; left: 0; right: 0; bottom: 34px; z-index: 2; text-align: center; color: #fff; font-size: 25px; font-weight: 700; padding: 0 20px; }

/* 7. Stats */
.mk-stats { background: #fff; padding: 70px 0; border-top: 1px solid #f1f1f1; }
.mk-stats-grid { display: grid; grid-template-columns: repeat(4,1fr); }
.mk-stat { text-align: center; padding: 8px 20px; }
.mk-stat.bd { border-left: 1px solid #e6e6e6; }
.mk-stat-label { display: block; color: var(--ink); font-size: 19px; font-weight: 600; margin-bottom: 10px; }
.mk-stat-num { display: block; color: var(--primary); font-size: 56px; font-weight: 800; line-height: 1.1; margin-bottom: 10px; }
.mk-stat-sub { display: block; color: var(--accent-2); font-size: 13px; font-weight: 600; letter-spacing: 2px; text-transform: uppercase; }

/* 8. Video */
.mk-video { position: relative; background-size: cover; background-position: center; }
.mk-video-overlay { position: absolute; inset: 0; background: rgba(21,24,36,.62); }
.mk-video-inner { position: relative; display: flex; align-items: center; gap: 34px; padding: 96px 20px; }
.mk-play {
  width: 92px; height: 92px; flex-shrink: 0; border-radius: 50%; border: none; cursor: pointer;
  background: var(--primary); color: #fff; font-size: 26px; display: flex; align-items: center; justify-content: center;
  box-shadow: 0 0 0 8px rgba(255,255,255,.12), 0 0 0 20px rgba(255,255,255,.06); transition: .25s;
}
.mk-play:hover { transform: scale(1.06); background: #c42e0a; }
.mk-play i { margin-left: 5px; }
.mk-video-text small { display: block; color: #fff; letter-spacing: 3px; font-size: 15px; font-weight: 500; margin-bottom: 10px; }
.mk-video-text h3 { color: #fff; font-size: 30px; font-weight: 700; }

/* 9. Cases */
.mk-cases { background: #fdeee9; padding: 92px 0; }
.mk-cases-grid { display: grid; grid-template-columns: repeat(4,1fr); gap: 28px; }
.mk-case { display: block; }
.mk-case-img { border-radius: 10px; overflow: hidden; box-shadow: 0 12px 30px rgba(232,56,13,.12); aspect-ratio: 4/3; }
.mk-case-img img { width: 100%; height: 100%; object-fit: cover; transition: transform .5s; }
.mk-case:hover .mk-case-img img { transform: scale(1.08); }
.mk-case h5 { font-size: 19px; color: var(--ink); font-weight: 700; margin: 20px 0 6px; transition: color .2s; }
.mk-case:hover h5 { color: var(--primary); }
.mk-case-cat { color: var(--primary); font-size: 14px; font-weight: 600; }

/* 10. Testimonials */
.mk-testis { background: var(--cream); padding: 92px 0; }
.mk-testis-grid { display: grid; grid-template-columns: repeat(3,1fr); gap: 28px; }
.mk-testi { background: #fff; border-radius: 12px; padding: 46px 32px 36px; text-align: center; box-shadow: 0 10px 34px rgba(232,56,13,.07); }
.mk-testi-head { width: 84px; height: 84px; margin: 0 auto 22px; }
.mk-testi-head img { width: 100%; height: 100%; border-radius: 50%; object-fit: cover; border: 4px solid #fff; box-shadow: 0 8px 20px rgba(232,56,13,.18); }
.mk-testi-text { color: var(--text-light); font-size: 15px; line-height: 1.9; margin-bottom: 24px; }
.mk-testi-author strong { display: block; color: var(--ink); font-size: 16px; }
.mk-testi-author span { color: var(--primary); font-size: 13.5px; font-weight: 600; }
.mk-dots { display: flex; justify-content: center; gap: 10px; margin-top: 40px; }
.mk-dots span { width: 10px; height: 10px; border-radius: 50%; background: #cfcfcf; }
.mk-dots span.active { background: var(--primary); }

/* 11. News */
.mk-news { background: #fff; padding: 92px 0; }
.mk-news-inner { display: grid; grid-template-columns: 1fr 1.15fr 1.15fr; gap: 40px; align-items: start; }
.mk-news-list li { border-bottom: 1px solid #efefef; }
.mk-news-list a { display: flex; gap: 12px; align-items: baseline; padding: 15px 0; color: var(--ink); font-size: 16px; font-weight: 600; line-height: 1.5; }
.mk-news-list a i { color: var(--accent-2); font-size: 13px; transition: .2s; }
.mk-news-list a:hover { color: var(--primary); }
.mk-news-list a:hover i { color: var(--primary); transform: translateX(4px); }
.mk-news-card { display: block; }
.mk-news-img { aspect-ratio: 16/10; border-radius: 10px; overflow: hidden; margin-bottom: 18px; }
.mk-news-img img { width: 100%; height: 100%; object-fit: cover; }
.mk-news-date { color: var(--primary); font-size: 13px; font-weight: 600; }
.mk-news-date i { margin-right: 6px; }
.mk-news-card h5 { font-size: 20px; color: var(--ink); font-weight: 700; line-height: 1.45; margin: 10px 0 12px; transition: color .2s; }
.mk-news-card:hover h5 { color: var(--primary); }
.mk-news-card p { color: var(--text-light); font-size: 14.5px; line-height: 1.8; }

/* 12. Bottom CTA */
.mk-cta {
  background-color: #fdeee9;
  background-image: radial-gradient(rgba(232,56,13,.12) 1.5px, transparent 1.5px);
  background-size: 22px 22px;
  padding: 88px 0;
}
.mk-cta-inner { display: grid; grid-template-columns: 1.35fr 1fr; gap: 50px; align-items: center; }
.mk-cta-text { border-left: 4px solid var(--accent-2); padding-left: 30px; }
.mk-cta-text h2 { font-size: 32px; color: var(--ink); font-weight: 700; line-height: 1.35; margin-bottom: 18px; }
.mk-cta-text p { color: var(--text-light); font-size: 16px; line-height: 1.9; }
.mk-cta-right { display: flex; flex-direction: column; align-items: flex-start; gap: 6px; }
.mk-cta-phone-ic { font-size: 40px; color: var(--primary); margin-bottom: 6px; }
.mk-cta-right small { color: var(--ink); letter-spacing: 2px; font-size: 14px; font-weight: 600; }
.mk-cta-num { font-size: 40px; font-weight: 800; color: var(--primary-dark); line-height: 1.2; margin-bottom: 18px; }
.mk-cta-num:hover { color: var(--primary); }

/* Mitech 首页响应式 */
@media (max-width: 992px) {
  .mk-hero-inner { grid-template-columns: 1fr; gap: 40px; padding: 52px 20px 60px; }
  .mk-hero-text h1 { font-size: 36px; }
  .mk-hero-visual img { height: auto; aspect-ratio: 4/3; }
  .mk-services-grid, .mk-hire-grid, .mk-testis-grid { grid-template-columns: 1fr; }
  .mk-cases-grid { grid-template-columns: repeat(2,1fr); }
  .mk-about-inner { grid-template-columns: 1fr; gap: 40px; }
  .mk-news-inner { grid-template-columns: 1fr; gap: 30px; }
  .mk-cta-inner { grid-template-columns: 1fr; gap: 34px; }
  .mk-stat-num { font-size: 42px; }
  .mk-hire-item { aspect-ratio: 16/10; }
}
@media (max-width: 640px) {
  .mk-services, .mk-about, .mk-hire, .mk-cases, .mk-testis, .mk-news { padding: 60px 0; }
  .mk-hero-text h1 { font-size: 29px; }
  .mk-hero-sub { font-size: 16px; }
  .mk-about-left h2, .mk-cta-text h2 { font-size: 25px; }
  .mk-challenge h3 { font-size: 19px; }
  .mk-acc-title { font-size: 17px; }
  .mk-acc-no { min-width: 40px; font-size: 24px; }
  .mk-acc-body p { padding-left: 0; }
  .mk-stats-grid { grid-template-columns: repeat(2,1fr); gap: 30px 0; }
  .mk-stat:nth-child(3) { border-left: none; }
  .mk-cases-grid { grid-template-columns: 1fr; }
  .mk-video-inner { flex-direction: column; text-align: center; padding: 64px 20px; }
  .mk-cta-num { font-size: 32px; }
}

/* ================================================================== */
/* ============    迈锐数据风格（橙色系）组件   =========== */
/* ================================================================== */

/* 顶部公告条（深色） */
.sz-topbar { background: #151824; color: #aab0c0; font-size: 13px; }
.sz-topbar-inner { display: flex; justify-content: space-between; align-items: center; min-height: 40px; gap: 16px; }
.sz-topbar-note { white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.sz-topbar a.sz-topbar-link { color: #fff; font-weight: 600; }
.sz-topbar a.sz-topbar-link:hover { color: #ff5a2c; text-decoration: underline; }
.sz-topbar .lang-switch { color: #aab0c0; font-weight: 600; flex-shrink: 0; }
.sz-topbar .lang-switch:hover { color: #fff; }

/* 头部右侧操作区 */
.header-right { display: flex; align-items: center; gap: 10px; flex-shrink: 0; }
.header-cta {
  display: inline-block; background: var(--primary); color: #fff; font-size: 14px; font-weight: 600;
  padding: 9px 14px; border-radius: 2px; white-space: nowrap; transition: .2s;
}
.header-cta:hover { background: var(--primary-dark); color: #fff; }
.header-search-btn {
  background: none; border: none; cursor: pointer; color: var(--ink);
  width: 38px; height: 38px; border-radius: 50%; font-size: 16px; transition: .2s;
}
.header-search-btn:hover { color: var(--primary); background: #f5f5f5; }

/* 搜索展开条 */
.sz-search-panel {
  display: none; background: #fff; border-top: 1px solid var(--border);
  box-shadow: 0 16px 28px rgba(0,0,0,.08); position: absolute; left: 0; right: 0; top: 100%;
}
.site-header.search-open .sz-search-panel { display: block; }
.site-header.search-open { box-shadow: none; }
.sz-search-panel form { display: flex; max-width: 720px; margin: 0 auto; padding: 18px 20px; }
.sz-search-panel input {
  flex: 1; border: 1px solid var(--border); border-right: none; border-radius: 2px 0 0 2px;
  padding: 12px 16px; font-size: 15px; outline: none;
}
.sz-search-panel input:focus { border-color: var(--primary); }
.sz-search-panel button {
  border: none; background: var(--primary); color: #fff; padding: 0 34px;
  border-radius: 0 2px 2px 0; font-size: 15px; cursor: pointer;
}
.sz-search-panel button:hover { background: var(--primary-dark); }

/* 1. 首屏主视觉 .bannerbox（1:1 移植 szsandstone：图/视频背景 + 悬浮热区 + 左标题按钮）
   原站桌面 1rem = 视口/16 = 6.25vw；此处按 vw 等比移植，≥1920 锁定 px */
.bannerbox { position: relative; display: flex; flex-direction: row-reverse; background: #fff; z-index: 2; margin-top: 74px; }
.bannerbox .f_tu { position: relative; width: 100%; z-index: 1; }
.bannerbox .f_tu .bag { position: relative; width: 100%; padding-top: 52.0833%; overflow: hidden; }
.bannerbox .f_tu .bag img {
  position: absolute; top: 0; left: 0; width: 100%; height: 100%; object-fit: cover;
  transition: all .6s;
}
.banner-img-m { display: none; }
.bannerbox .f_tu .bag video {
  position: absolute; top: 0; left: 0; width: 100%; height: 100%; object-fit: cover;
}

/* 悬浮热区 */
.bannerbox .f_tu .c-btn {
  position: absolute; z-index: 20; transform: translate(-50%, -50%); cursor: pointer;
}
.bannerbox .f_tu .c-btn .c-box1 { display: block; position: relative; z-index: 2; width: 30px; height: 30px; text-decoration: none; cursor: pointer; }
.bannerbox .f_tu .c-btn .c-box1 div {
  position: absolute; top: 0; left: 0; width: 100%; height: 100%;
  border-radius: 50%; background: rgba(232,56,13,.25); animation: round1 3s linear infinite;
}
.bannerbox .f_tu .c-btn .c-box1 div:nth-child(2) { animation-delay: 1s; }
.bannerbox .f_tu .c-btn .c-box1 div:nth-child(3) { animation-delay: 2s; }
.bannerbox .f_tu .c-btn .c-box1 .c-ico {
  position: relative; z-index: 5; width: 30px; height: 30px; border-radius: 50%;
  background: #00b96b; border: 2px solid #fff; padding: 4px; box-sizing: border-box;
  transition: all .3s;
}
@keyframes round1 { 0% { opacity: 1; transform: scale(0); } 100% { opacity: 0; transform: scale(3); } }

/* 热区气泡 */
.bannerbox .f_tu .c-btn .f_hover {
  position: absolute; bottom: 100%; left: 50%; transform: translateX(-50%) scale(0);
  transform-origin: center bottom; width: 15vw; padding-bottom: 1.25vw;
  opacity: 0; transition: all .4s; pointer-events: none;
}
.bannerbox .f_tu .c-btn .f_hover .f_jt {
  position: relative; width: 100%; background: #fff; border-radius: 15px;
  padding: 1.31vw 1.25vw 1.125vw;
}
.bannerbox .f_tu .c-btn .f_hover .f_jt::before {
  content: ""; position: absolute; left: 0; top: 0; width: 100%; height: 20%;
  border-radius: 15px; background: linear-gradient(to bottom, #fbdcd5, rgba(255,255,255,0));
}
.bannerbox .f_tu .c-btn .f_hover .f_jt::after {
  content: ""; position: absolute; left: 50%; top: 100%; margin-left: -5px;
  border-left: 5px solid transparent; border-right: 5px solid transparent; border-top: 8px solid #fff;
}
.bannerbox .f_tu .c-btn .f_hover .f_jt .f_tit {
  position: relative; color: #e8340c; font-weight: 700; font-size: 1.125vw;
  line-height: 1.35; margin-bottom: .625vw;
}
.bannerbox .f_tu .c-btn .f_hover .f_jt .f_text {
  position: relative; color: #666; font-size: .75vw; line-height: 1.6; margin-bottom: .625vw;
}
.bannerbox .f_tu .c-btn .f_hover .f_jt .f_link { position: relative; width: 100%; }
.bannerbox .f_tu .c-btn .f_hover .f_jt .f_text ~ .f_link {
  border-top: 1px solid #ddd; padding-top: .625vw;
}
.bannerbox .f_tu .c-btn .f_hover .f_jt .f_link .li {
  display: flex; align-items: flex-start; width: 100%; color: #000;
  font-size: .8vw; line-height: 1.5; margin-bottom: .625vw; transition: all .4s;
}
.bannerbox .f_tu .c-btn .f_hover .f_jt .f_link .li:last-child { margin-bottom: 0; }
.bannerbox .f_tu .c-btn .f_hover .f_jt .f_link .li i {
  display: flex; align-items: center; justify-content: center;
  width: 8px; height: 8px; position: relative; top: .75em; margin-top: -4px; flex: 0 0 8px;
}
.bannerbox .f_tu .c-btn .f_hover .f_jt .f_link .li i svg { width: 100%; height: 100%; }
.bannerbox .f_tu .c-btn .f_hover .f_jt .f_link .li span {
  display: block; width: calc(100% - 8px); padding-left: 10px;
}
.bannerbox .f_tu .c-btn .f_hover .f_jt .f_link .li:hover { color: #e8380d; }
.bannerbox .f_tu .c-btn:hover .c-box1 .c-ico { box-shadow: 15px 15px 20px rgba(61,164,255,.3); }
.bannerbox .f_tu .c-btn:hover .f_hover,
.bannerbox .f_tu .c-btn:focus-within .f_hover {
  transform: translateX(-50%) scale(1); opacity: 1; pointer-events: auto;
}
/* 右侧"关于"热区：气泡向右展开 */
.bannerbox .f_tu .f-right .f_hover {
  bottom: 50%; left: 100%; transform: translateY(50%) scale(0);
  transform-origin: left center; padding: 0 0 0 1.25vw;
}
.bannerbox .f_tu .f-right .f_hover .f_jt::after {
  top: 50%; left: -8px; margin-left: 0; margin-top: -5px;
  border: none; border-top: 5px solid transparent; border-bottom: 5px solid transparent;
  border-right: 8px solid #fff;
}
.bannerbox .f_tu .f-right:hover .f_hover,
.bannerbox .f_tu .f-right:focus-within .f_hover { transform: translateY(50%) scale(1); opacity: 1; }

/* 文字区 */
.bannerbox .cont {
  position: absolute; top: 50%; left: 0; width: 100%;
  transform: translateY(-50%); z-index: 20; pointer-events: none;
}
.bannerbox .cont .font { pointer-events: none; max-width: 41.875vw; }
.bannerbox .cont .font .hm_but { pointer-events: auto; }
.bannerbox .cont .font .f_tit {
  font-weight: 700; font-size: 1.8vw; line-height: 1.25; color: #333; margin: 0;
}
.bannerbox .cont .font .f_tit span { color: #e8380d; }
.bannerbox .cont .font .hm_but { margin-top: 3.5vw; text-decoration: none; }

/* 橙色发光按钮（原站 .hm_but2） */
.hm_but {
  position: relative; display: inline-flex; align-items: center; justify-content: center;
  min-width: 10vw; height: 3.75vw; padding: 1.125vw 3vw;
  border-radius: 4px; border: 1px solid #fff;
  color: #fff; font-weight: 700; font-size: 1vw; transition: all .4s;
}
.hm_but2 { background: transparent; border-color: transparent; }
.hm_but2::before, .hm_but2::after {
  content: ""; position: absolute; top: 0; left: 0; width: 100%; height: 100%;
  border-radius: 4px; background: #e8380d; border: 1px solid #e8380d;
}
.hm_but2::after { display: block; }
.hm_but2::before {
  width: 78%; right: 0; margin: 0 auto; opacity: 0; transition: all .4s;
  box-shadow: 0 5px 1.125vw rgba(239,62,8,.5);
}
.hm_but2 span { position: relative; z-index: 2; }
.hm_but2:hover::before { opacity: 1; }
.hm_but2:hover { color: #fff; }

/* ============================================================
   产品列表页 / 产品详情页（1:1 移植参考站 productbanner / productbox / proinfobanner）
   参考站 1rem=100px 设计稿 @1920（1rem=5.208vw）；≥1921 锁 px
   ============================================================ */
.container2 { max-width: 1400px; margin: 0 auto; padding: 0 20px; }

/* 通用大 banner（列表页 .productbanner / 详情页 .proinfobanner 共用） */
.populbanner { position: relative; overflow: hidden; }
.populbanner .bag { position: relative; padding-top: 23.4375%; background-color: #000; }
.populbanner .bag img {
  position: absolute; top: 0; left: 0; width: 100%; height: 100%;
  object-fit: cover; opacity: .9;
}
.populbanner .cont {
  position: absolute; top: 50%; left: 0; width: 100%;
  transform: translateY(-50%); text-align: center; color: #fff;
}
.populbanner .cont .f_tit { font-weight: bold; }
.populbanner .cont .f_text { margin-top: .625vw; }
.font48 { font-size: 2.5vw; }
.font30 { font-size: 1.5625vw; }
.font20 { font-size: 1.042vw; }
.font18 { font-size: .9375vw; }
.font14 { font-size: 1.146vw; }

/* 列表页：深色文字（浅色 banner 图） */
.productbanner .cont .f_tit { color: #282b37; }
.productbanner .cont .f_text { color: #858791; }

/* 列表页分组卡片 */
.productbox { padding: 4.583vw 0 7.292vw; }
.productbox_tit {
  display: flex; align-items: center; color: #282b37; font-weight: bold;
  margin-bottom: 1.875vw;
}
.productbox_tit i {
  display: flex; align-items: center; justify-content: center;
  width: 3.125vw; height: 3.125vw; margin-right: .9375vw;
  color: #e8380d; background: #fdeeea; border-radius: 8px;
}
.productbox_tit i svg { width: 62%; height: 62%; }
.productbox .cont {
  border-bottom: 1px dashed #c9c9c9; margin-bottom: 3.75vw; padding-bottom: 1.458vw;
}
.productbox .cont:last-child { margin-bottom: 0; border-bottom: none; padding-bottom: 0; }
.productbox .cont .f_jt { display: flex; flex-wrap: wrap; margin: 0 -.83vw; }
.productbox .cont .f_jt .item { width: 33.333%; padding: 0 .83vw; margin-bottom: 1.667vw; }
.productbox .cont .f_jt .item .list {
  display: block; position: relative; border-radius: 6px; overflow: hidden;
  padding: 1.354vw 1.5625vw; background-color: #f5f5ff; text-decoration: none;
}
.productbox .cont .f_jt .item .list:before {
  content: ""; display: block; position: absolute; left: 0; top: 0;
  width: 100%; height: 100%; transition: all .4s; opacity: 0;
  background: linear-gradient(115deg, rgba(255,255,255,.95) 0%, rgba(255,255,255,0) 55%);
}
.productbox .cont .f_jt .item .list:hover:before { opacity: 1; }
.productbox .cont .f_jt .item .list .f_tit {
  width: 100%; display: flex; align-items: flex-start; position: relative;
  margin-bottom: .52vw; font-weight: bold;
}
.productbox .cont .f_jt .item .list .f_tit .f_t1 {
  color: #333; overflow: hidden; text-overflow: ellipsis; white-space: nowrap;
  max-width: calc(100% - 60px); transition: all .4s;
}
.productbox .cont .f_jt .item .list:hover .f_tit .f_t1 { color: #e8380d; }
.productbox .cont .f_jt .item .list .f_tit span {
  display: inline-block; background-color: #ff6600; color: #fff;
  border: solid 1px #ff6600; border-radius: 10px 10px 10px 1px;
  line-height: 1.42857143; margin-top: -.3em; margin-left: .52vw;
  padding-left: .21vw; padding-right: .31vw;
}
.productbox .cont .f_jt .item .list .f_tit span.hot {
  border-color: #e8340c; background-color: #e8340c;
}
.productbox .cont .f_jt .item .list .f_text {
  color: #666; line-height: 1.5; min-height: 3em; margin-bottom: 1.146vw;
  display: -webkit-box; -webkit-box-orient: vertical; -webkit-line-clamp: 2; overflow: hidden;
}
.productbox .cont .f_jt .item .list .but {
  display: flex; align-items: center; color: #e8380d;
}
.productbox .cont .f_jt .item .list .but i {
  display: flex; align-items: center; justify-content: center;
  width: .42vw; height: .573vw; margin-left: .52vw;
}
.productbox .cont .f_jt .item .list .but i svg { width: 100%; height: 100%; }

/* 详情页 banner：左对齐深字 */
.proinfobanner.solutioninfobanner { position: relative; overflow: hidden; }
.proinfobanner.solutioninfobanner .bag { position: relative; padding-top: 31.25%; background-color: #000; }
.proinfobanner.solutioninfobanner .bag img {
  position: absolute; top: 0; left: 0; width: 100%; height: 100%; object-fit: cover; opacity: .92;
}
.proinfobanner.solutioninfobanner .cont {
  position: absolute; left: 0; top: 50%; transform: translateY(-50%);
  width: 100%; text-align: left;
}
.proinfobanner.solutioninfobanner .cont .f_tit { font-weight: bold; color: #000; margin-bottom: 1.25vw; }
.proinfobanner.solutioninfobanner .cont .f_text { color: #333; line-height: 1.6; max-width: 46vw; }
.proinfobanner.solutioninfobanner .cont .but { display: flex; margin-top: 1.5625vw; }
.proinfobanner.solutioninfobanner .cont .but .hm_but {
  height: 2.5vw; min-width: initial; padding: .625vw 1.98vw; font-size: 1.25vw; border: none;
}
.proinfobanner.solutioninfobanner .cont .but .hm_but i {
  position: relative; z-index: 2; display: flex; align-items: center;
  width: .9375vw; height: .9375vw; margin-right: .52vw;
}
.proinfobanner.solutioninfobanner .cont .but .hm_but i svg { width: 100%; height: 100%; }

/* 响应式：≤1580（参考站 66px 基准） */
@media (max-width: 1580px) {
  .font48 { font-size: 31px; }
  .font30 { font-size: 20px; }
  .font20 { font-size: 14px; }
  .font18 { font-size: 12px; }
  .font14 { font-size: 15px; }
  .populbanner .cont .f_text { margin-top: 8px; }
  .productbox { padding: 58px 0 92px; }
  .productbox_tit { margin-bottom: 24px; }
  .productbox_tit i { width: 34px; height: 34px; margin-right: 12px; }
  .productbox .cont { margin-bottom: 48px; padding-bottom: 19px; }
  .productbox .cont .f_jt { margin: 0 -.55vw; }
  .productbox .cont .f_jt .item { padding: 0 .55vw; margin-bottom: 1.1vw; }
  .productbox .cont .f_jt .item .list { padding: 18px 21px; }
  .productbox .cont .f_jt .item .list .f_tit { margin-bottom: 7px; }
  .productbox .cont .f_jt .item .list .f_tit span { margin-left: 10px; padding-left: 4px; padding-right: 6px; }
  .productbox .cont .f_jt .item .list .f_text { margin-bottom: 15px; }
  .productbox .cont .f_jt .item .list .but { font-size: 13px; }
  .productbox .cont .f_jt .item .list .but i { width: 8px; height: 11px; margin-left: 8px; }
  .proinfobanner.solutioninfobanner .cont .f_tit { margin-bottom: 16px; }
  .proinfobanner.solutioninfobanner .cont .but { margin-top: 20px; }
  .proinfobanner.solutioninfobanner .cont .but .hm_but { height: 38px; padding: 10px 30px; font-size: 16px; }
  .proinfobanner.solutioninfobanner .cont .but .hm_but i { width: 16px; height: 16px; margin-right: 8px; }
}

/* 响应式：≤992 两列 */
@media (max-width: 992px) {
  .productbox .cont .f_jt .item { width: 50%; }
  .populbanner .bag { padding-top: 40%; }
  .proinfobanner.solutioninfobanner .bag { padding-top: 46%; }
  .proinfobanner.solutioninfobanner .cont .f_text { max-width: 100%; }
}

/* 响应式：≤767 单列 */
@media (max-width: 767px) {
  .font48 { font-size: 24px; }
  .font30 { font-size: 18px; }
  .font20 { font-size: 15px; }
  .font18 { font-size: 13px; }
  .font14 { font-size: 12px; }
  .populbanner .bag { padding-top: 80%; }
  .proinfobanner.solutioninfobanner .bag { padding-top: 106.66%; }
  .productbox { padding: 40px 0 60px; }
  .productbox_tit { flex-direction: column; align-items: flex-start; }
  .productbox_tit i { width: 44px; height: 44px; margin-right: 0; margin-bottom: 10px; }
  .productbox .cont .f_jt { margin: 0; }
  .productbox .cont .f_jt .item { width: 100%; padding: 0; margin-bottom: 16px; }
  .proinfobanner.solutioninfobanner .cont .but .hm_but { height: 40px; padding: 10px 24px; font-size: 14px; }
}

/* 平板：缩小热区气泡、隐藏热区（≤991） */
@media (max-width: 1580px) {
  .bannerbox .f_tu .c-btn .f_hover { width: 16.25vw; }
  .bannerbox .f_tu .c-btn .f_hover .f_jt .f_link .li i { width: 6px; height: 6px; margin-top: -3px; flex-basis: 6px; }
  .bannerbox .f_tu .c-btn .f_hover .f_jt .f_link .li span { width: calc(100% - 6px); padding-left: 6px; }
}
@media (max-width: 1199px) {
  .bannerbox .cont .font .f_tit { font-size: 2.2vw; }
}
@media (max-width: 991px) {
  .bannerbox .f_tu .c-btn { display: none; }
}
/* 大屏锁定，避免 vw 过大 */
@media (min-width: 1921px) {
  .bannerbox .cont .font { max-width: 804px; }
  .bannerbox .cont .font .f_tit { font-size: 34px; }
  .bannerbox .cont .font .hm_but { margin-top: 67px; }
  .hm_but { min-width: 192px; height: 72px; padding: 22px 58px; font-size: 19.2px; }
  .bannerbox .f_tu .c-btn .f_hover { width: 288px; padding-bottom: 24px; }
  .bannerbox .f_tu .c-btn .f_hover .f_jt { padding: 25px 24px 22px; }
  .bannerbox .f_tu .c-btn .f_hover .f_jt .f_tit { font-size: 21.6px; margin-bottom: 12px; }
  .bannerbox .f_tu .c-btn .f_hover .f_jt .f_text { font-size: 14.4px; margin-bottom: 12px; }
  .bannerbox .f_tu .c-btn .f_hover .f_jt .f_link .li { font-size: 15.4px; margin-bottom: 12px; }
  .hm-sec1 { margin-top: -134px; padding-bottom: 50px; }
  .hm-sec1 .container .cont { margin-top: -20px; }
  .hm-sec1 .container .cont .item .list { padding: 32px 34px 20px; }
  .hm-sec1 .container .cont .item .list .f_tit { margin-bottom: 24px; }
}
/* 手机 */
@media (max-width: 767px) {
  .bannerbox .f_tu .bag { padding-top: 179.2%; }
  .bannerbox .f_tu .bag .banner-img-pc { display: none; }
  .bannerbox .f_tu .bag .banner-img-m { display: block; }
  .bannerbox .f_tu .bag video { display: none; }
  .bannerbox .cont { top: 28%; }
  .bannerbox .cont .font { max-width: 100%; }
  .bannerbox .cont .font .f_tit { font-size: 3.8vw; }
  .bannerbox .cont .font .hm_but { margin-top: 20px; }
  .hm_but { min-width: 0; height: auto; min-height: 44px; padding: 10px 30px; font-size: 15px; }
}

/* 1.5 banner下方4个新闻快捷入口（1:1 参考站 hm-sec1：参考站 html{font-size:calc(100vw/19.2)}=5.208vw/rem） */
.hm-sec1 { padding-bottom: 2.604vw; position: relative; margin-top: -7vw; z-index: 4; }
.hm-sec1 .container .cont { display: flex; flex-wrap: wrap; position: relative; margin-top: -1.0416vw; }
@media (min-width: 992px) {
  .hm-sec1 .container .cont { box-shadow: 0 6px 10px 0 rgba(0,0,0,0.04); }
}
.hm-sec1 .container .cont .item { width: 25%; overflow: hidden; }
.hm-sec1 .container .cont .item:last-child .list { border-right: none; }
.hm-sec1 .container .cont .item .list {
  backdrop-filter: saturate(180%) blur(10px);
  display: block; position: relative; overflow: hidden;
  background-color: rgba(255,255,255,0.5);
  background-size: cover; background-position: center; background-repeat: no-repeat;
  padding: 1.667vw 1.771vw 1.0416vw; border-right: 1px solid rgba(151,81,81,0.05);
}
.hm-sec1 .container .cont .item .list .bag {
  position: absolute; top: 0; left: 0; width: 100%; height: 100%;
  opacity: 0; transition: all .4s;
}
.hm-sec1 .container .cont .item .list .bag img { width: 100%; height: 100%; object-fit: cover; }
.hm-sec1 .container .cont .item .list .f_tit {
  color: #282b37; font-size: 16px; line-height: 1.22222; font-weight: 700;
  display: -webkit-box; -webkit-box-orient: vertical; -webkit-line-clamp: 2;
  overflow: hidden; height: 2.59111em; margin-bottom: 1.25vw; transition: all .4s; position: relative;
}
.hm-sec1 .container .cont .item .list .but {
  color: #999; font-size: 14px; opacity: 0; transition: all .4s;
  background-image: linear-gradient(to bottom, rgba(0,0,0,0) 93%, #e8380d 0%);
  background-size: 0 100%; background-repeat: no-repeat; display: none; position: relative;
}
.hm-sec1 .container .cont .item .list:hover .bag { opacity: 1; }
.hm-sec1 .container .cont .item .list:hover .f_tit { color: #e8380d; }
.hm-sec1 .container .cont .item .list:hover .but { opacity: 1; color: #e8380d; background-size: 100% 100%; display: inline-block; }

@media (max-width: 1580px) {
  .hm-sec1 .container .cont .item .list .f_tit { font-size: 14px; }
  .hm-sec1 .container .cont .item .list .but { font-size: 12px; }
}
@media (max-width: 991px) {
  .hm-sec1 { margin-top: 0; padding-top: 20px; }
  .hm-sec1 .container .cont { margin: 0 -10px; box-shadow: none; }
  .hm-sec1 .container .cont .item { width: 50%; padding: 0 10px 20px; }
  .hm-sec1 .container .cont .item .list { box-shadow: 0 6px 10px 0 rgba(0,0,0,0.04); }
  .hm-sec1 .container .cont .item .list .f_tit { height: 2.56667em; font-size: 14px; }
  .hm-sec1 .container .cont .item .list .but { font-size: 13px; }
}
@media (max-width: 767px) {
  .hm-sec1 { padding-top: 20px; margin-top: 0; }
  .hm-sec1 .container .cont .item .list .but { opacity: 1; font-size: 12px; }
  .hm-sec1 .container .cont .item .list .bag { opacity: 1; position: relative; height: 120px; }
  .hm-sec1 .container .cont .item .list { padding: 16px 12px; }
  .hm-sec1 .container .cont .item .list .f_tit { font-size: 13px; }
}

/* 2. 信任背书 */
.sz-trust { background: #fff; border-bottom: 1px solid #f0f0f0; }
.sz-trust-grid { display: grid; grid-template-columns: repeat(4,1fr); padding: 46px 0; }
.sz-trust-item { text-align: center; border-right: 1px solid #eee; padding: 4px 18px; }
.sz-trust-item:last-child { border-right: none; }
.sz-trust-item b { display: block; font-size: 2vw; font-weight: 800; color: var(--primary); line-height: 1.15; }
.sz-trust-item span { display: block; font-size: 16.5px; font-weight: 600; color: var(--ink); margin-top: 8px; }
.sz-trust-item em { display: block; font-style: normal; font-size: 13px; color: var(--text-light); margin-top: 4px; }

/* 3. 产品中心 */
.sz-products { background: var(--cream); }
.sz-grid-3 { display: grid; grid-template-columns: repeat(3,1fr); gap: 26px; }
.sz-product-card {
  background: #fff; border-radius: 4px; overflow: hidden; border: 1px solid #eee;
  transition: .28s; display: flex; flex-direction: column;
}
.sz-product-card:hover { transform: translateY(-6px); box-shadow: 0 18px 40px rgba(21,24,36,.12); border-color: transparent; }
.sz-product-img { aspect-ratio: 16/10; overflow: hidden; background: var(--cream); }
.sz-product-img img { width: 100%; height: 100%; object-fit: cover; transition: transform .45s; }
.sz-product-card:hover .sz-product-img img { transform: scale(1.06); }
.sz-product-fallback {
  aspect-ratio: 16/10; display: flex; align-items: center; justify-content: center;
  background: linear-gradient(135deg,#1c2030,#2a2f45); color: rgba(255,255,255,.85); font-size: 44px;
}
.sz-product-body { padding: 22px 24px 24px; flex: 1; display: flex; flex-direction: column; }
.sz-product-body h3 { font-size: 15px; color: var(--ink); margin-bottom: 10px; transition: color .2s; }
.sz-product-card:hover .sz-product-body h3 { color: var(--primary); }
.sz-product-body p {
  font-size: 14px; color: var(--text-light); flex: 1;
  display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden;
}
.sz-more { display: inline-block; margin-top: 16px; color: var(--primary); font-size: 14px; font-weight: 700; }
.sz-more i { margin-left: 6px; transition: margin .2s; }
.sz-product-card:hover .sz-more i { margin-left: 11px; }

/* 4. 解决方案 */
.sz-solutions { background: #fff; }
.sz-solution-card { position: relative; display: block; border-radius: 4px; overflow: hidden; aspect-ratio: 16/10; background: #1c2030; }
.sz-solution-img { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; transition: transform .5s; }
.sz-solution-card:hover .sz-solution-img { transform: scale(1.07); }
.sz-solution-mask {
  position: absolute; inset: 0;
  background: linear-gradient(180deg, rgba(13,15,26,.05) 30%, rgba(13,15,26,.5) 66%, rgba(13,15,26,.92) 100%);
}
.sz-solution-card.no-img .sz-solution-mask { background: linear-gradient(160deg, #1c2030, #333a52); }
.sz-solution-text { position: absolute; left: 0; right: 0; bottom: 0; padding: 22px 24px; color: #fff; z-index: 2; }
.sz-solution-text h3 { font-size: 19px; font-weight: 700; margin-bottom: 8px; }
.sz-solution-text p {
  font-size: 13.5px; line-height: 1.75; color: rgba(255,255,255,.85);
  max-height: 0; opacity: 0; overflow: hidden; transition: max-height .35s, opacity .35s;
}
.sz-solution-card:hover .sz-solution-text p { max-height: 130px; opacity: 1; }
.sz-solution-arrow {
  display: inline-flex; align-items: center; gap: 6px; color: #ff5a2c;
  font-size: 13px; font-weight: 600; margin-top: 10px; opacity: 0; transform: translateY(6px); transition: .3s;
}
.sz-solution-card:hover .sz-solution-arrow { opacity: 1; transform: none; }
@media (max-width: 992px) {
  .sz-solution-text p { max-height: 130px; opacity: 1; }
  .sz-solution-arrow { opacity: 1; transform: none; }
}

/* 4. 行业解决方案 —— 横向手风琴（1:1 参考 szsandstone .hm-sec3 .f_jt，容器462px，悬停展开约40%） */
.sz-acc { display: flex; height: 462px; overflow: hidden; }
.sz-acc-item {
  position: relative; flex: 1 1 0; min-width: 0; height: 100%;
  overflow: hidden; cursor: pointer; transition: flex-grow .8s ease;
}
.sz-acc-item:first-child { flex-grow: 3.4; } /* 3.4/(3.4+5) ≈ 40.5% */
.sz-acc:hover .sz-acc-item:first-child:not(:hover) { flex-grow: 1; }
.sz-acc .sz-acc-item:hover { flex-grow: 3.4; }

.sz-acc-img {
  position: absolute; inset: 0; width: 100%; height: 100%;
  object-fit: cover; transition: transform .8s ease;
}
.sz-acc-item:hover .sz-acc-img, .sz-acc-item:first-child .sz-acc-img { transform: scale(1.04); }
.sz-acc-noimg { display: flex; align-items: center; justify-content: center; background: linear-gradient(160deg, #1c2030, #2a3045); color: rgba(255,255,255,.25); font-size: 54px; }

/* 两层遮罩：收起态底部渐变；展开态左侧深色渐变（::after 控制透明度） */
.sz-acc-mask {
  position: absolute; inset: 0; z-index: 1;
  background: linear-gradient(to top, rgba(10,12,20,.88) 0%, rgba(10,12,20,.42) 42%, rgba(10,12,20,.06) 72%);
  transition: opacity .5s;
}
.sz-acc-item::after {
  content: ""; position: absolute; inset: 0; z-index: 1; opacity: 0; transition: opacity .6s;
  background: linear-gradient(90deg, rgba(10,12,20,.93) 0%, rgba(10,12,20,.74) 44%, rgba(10,12,20,.28) 78%, rgba(10,12,20,.06) 100%);
}

/* 收起态文字 */
.sz-acc-font {
  position: absolute; left: 0; right: 0; bottom: 0; z-index: 2;
  padding: 22px 18px; color: #fff; transition: opacity .5s, visibility .5s;
}
.sz-acc-font h3 { font-size: 16px; font-weight: 700; margin-bottom: 8px; }
.sz-acc-font p {
  font-size: 13px; line-height: 1.6; color: rgba(255,255,255,.78);
  display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden;
}
.sz-acc-tip {
  position: absolute; top: 20px; right: 16px; z-index: 2;
  width: 38px; height: 38px;
  display: flex; align-items: center; justify-content: center;
  border: 1px solid rgba(255,255,255,.5); border-radius: 50%; color: #fff; font-size: 16px;
  transition: opacity .5s, visibility .5s;
}
.sz-acc-item:first-child .sz-acc-tip { opacity: 0; visibility: hidden; }
.sz-acc:hover .sz-acc-item:first-child:not(:hover) .sz-acc-tip { opacity: 1; visibility: visible; }
.sz-acc-item:hover .sz-acc-tip { opacity: 0; visibility: hidden; }

/* 展开态文字 */
.sz-acc-nei {
  position: absolute; inset: 0; z-index: 2; padding: 34px 30px 26px 26px;
  display: flex; flex-direction: column; justify-content: flex-end;
  color: #fff; opacity: 0; pointer-events: none; transition: opacity .55s;
}
.sz-acc-nei h3 { font-size: 18px; font-weight: 700; margin-bottom: 10px; }
.sz-acc-desc {
  font-size: 14px; line-height: 1.7; color: rgba(255,255,255,.85); margin-bottom: 14px;
  display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden;
}
.sz-acc-tags { display: flex; flex-wrap: wrap; gap: 8px; margin-bottom: 14px; }
.sz-acc-tags li {
  display: inline-flex; align-items: center; gap: 6px;
  font-size: 12.5px; color: #fff; padding: 5px 12px;
  background: rgba(255,255,255,.14); border: 1px solid rgba(255,255,255,.22); border-radius: 2px;
}
.sz-acc-tags li i { color: #ff7a52; font-size: 11px; }
.sz-acc-clabel { font-size: 12px; color: rgba(255,255,255,.6); margin-bottom: 6px; }
.sz-acc-client {
  display: inline-block; align-self: flex-start; font-size: 13.5px; font-weight: 600;
  background: rgba(232,56,13,.85); color: #fff; padding: 5px 14px; border-radius: 2px; margin-bottom: 16px;
}
.sz-acc-btns { display: flex; gap: 12px; flex-wrap: wrap; }
.sz-acc-btn {
  display: inline-block; min-width: 108px; height: 38px; line-height: 36px; text-align: center;
  border-radius: 4px; font-size: 14px; font-weight: 600; padding: 0 26px; transition: .25s;
}
.sz-acc-btn.primary { background: var(--primary); color: #fff; border: 1px solid var(--primary); }
.sz-acc-btn.primary:hover { background: var(--primary-dark); border-color: var(--primary-dark); }
.sz-acc-btn.ghost { background: transparent; color: #fff; border: 1px solid rgba(255,255,255,.65); }
.sz-acc-btn.ghost:hover { background: #fff; color: #222; border-color: #fff; }

/* 展开态子元素 stagger 滑入（参考站 0.6s 延迟 0.4s） */
.sz-acc-nei > * { opacity: 0; transform: translateY(12px); transition: opacity .6s, transform .6s; }
.sz-acc-nei > *:nth-child(1) { transition-delay: .30s; }
.sz-acc-nei > *:nth-child(2) { transition-delay: .36s; }
.sz-acc-nei > *:nth-child(3) { transition-delay: .42s; }
.sz-acc-nei > *:nth-child(4) { transition-delay: .46s; }
.sz-acc-nei > *:nth-child(5) { transition-delay: .50s; }
.sz-acc-nei > *:nth-child(6) { transition-delay: .54s; }

/* 首项默认展开 / 悬停项展开 */
.sz-acc-item:first-child .sz-acc-font { opacity: 0; visibility: hidden; }
.sz-acc-item:first-child::after { opacity: 1; }
.sz-acc-item:first-child .sz-acc-nei { opacity: 1; pointer-events: auto; }
.sz-acc-item:first-child .sz-acc-nei > * { opacity: 1; transform: none; }

.sz-acc:hover .sz-acc-item:first-child:not(:hover) .sz-acc-font { opacity: 1; visibility: visible; }
.sz-acc:hover .sz-acc-item:first-child:not(:hover)::after { opacity: 0; }
.sz-acc:hover .sz-acc-item:first-child:not(:hover) .sz-acc-nei { opacity: 0; pointer-events: none; }
.sz-acc:hover .sz-acc-item:first-child:not(:hover) .sz-acc-nei > * { opacity: 0; transform: translateY(12px); }

.sz-acc-item:hover .sz-acc-font { opacity: 0; visibility: hidden; }
.sz-acc-item:hover::after { opacity: 1; }
.sz-acc-item:hover .sz-acc-nei { opacity: 1; pointer-events: auto; }
.sz-acc-item:hover .sz-acc-nei > * { opacity: 1; transform: none; }

/* 移动端：≤992 两列常显展开态；≤640 单列 */
@media (max-width: 992px) {
  .sz-acc { flex-wrap: wrap; height: auto; }
  .sz-acc-item,
  .sz-acc-item:first-child { flex: none; width: 50%; height: 320px; }
  .sz-acc-font, .sz-acc-tip { display: none; }
  .sz-acc-item::after { opacity: 1; }
  .sz-acc-nei { opacity: 1; pointer-events: auto; }
  .sz-acc-nei > * { opacity: 1 !important; transform: none !important; transition: none !important; }
}
@media (max-width: 640px) {
  .sz-acc-item,
  .sz-acc-item:first-child { width: 100%; height: auto; min-height: 300px; }
  .sz-acc-nei { position: relative; padding: 26px 22px; }
  .sz-acc-img { position: absolute; }
}

/* 5. 为什么选择迈锐 */
.sz-why { background: var(--cream); }
.sz-why-grid { display: grid; grid-template-columns: repeat(4,1fr); gap: 24px; }
.sz-why-item { background: #fff; border-radius: 4px; padding: 30px 26px; border: 1px solid #eee; transition: .25s; }
.sz-why-item:hover { transform: translateY(-5px); box-shadow: 0 16px 36px rgba(21,24,36,.1); border-color: transparent; }
.sz-why-ic {
  width: 54px; height: 54px; border-radius: 4px; background: #fdeee9; color: var(--primary);
  display: flex; align-items: center; justify-content: center; font-size: 24px; margin-bottom: 18px; transition: .25s;
}
.sz-why-item:hover .sz-why-ic { background: var(--primary); color: #fff; }
.sz-why-img { width: 100%; height: 120px; border-radius: 4px; overflow: hidden; margin-bottom: 18px; }
.sz-why-img img { width: 100%; height: 100%; object-fit: cover; transition: .3s; }
.sz-why-item:hover .sz-why-img img { transform: scale(1.06); }
.sz-why-item h4 { font-size: 16.5px; color: var(--ink); margin-bottom: 8px; }
.sz-why-item p { font-size: 13.5px; color: var(--text-light); line-height: 1.75; }

/* 6. 新闻动态 */
.sz-news { background: #fff; }
.sz-news-grid { display: grid; grid-template-columns: repeat(4,1fr); gap: 24px; }
.sz-news-card { display: block; border: 1px solid #eee; border-radius: 4px; overflow: hidden; background: #fff; transition: .25s; }
.sz-news-card:hover { transform: translateY(-6px); box-shadow: 0 18px 40px rgba(21,24,36,.12); border-color: transparent; }
.sz-news-img { position: relative; aspect-ratio: 16/10; overflow: hidden; background: var(--cream); }
.sz-news-img img { width: 100%; height: 100%; object-fit: cover; transition: transform .45s; }
.sz-news-card:hover .sz-news-img img { transform: scale(1.06); }
.sz-news-date {
  position: absolute; left: 0; top: 0; background: var(--primary); color: #fff;
  font-size: 12.5px; font-weight: 700; padding: 6px 12px; border-radius: 0 0 4px 0;
}
.sz-news-body { padding: 18px 20px 22px; }
.sz-news-body h3 {
  font-size: 14px; color: var(--ink); line-height: 1.55; margin-bottom: 10px; transition: color .2s;
  display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden;
}
.sz-news-card:hover .sz-news-body h3 { color: var(--primary); }
.sz-news-body p {
  font-size: 13.5px; color: var(--text-light);
  display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden;
}
.sz-news-datecard {
  aspect-ratio: 16/10; background: linear-gradient(160deg,#1c2030,#333a52);
  display: flex; flex-direction: column; align-items: center; justify-content: center; color: #fff; position: relative;
}
.sz-news-datecard b { font-size: 40px; font-weight: 800; color: #ff5a2c; line-height: 1; }
.sz-news-datecard span { font-size: 14px; color: rgba(255,255,255,.75); margin-top: 8px; }

/* 7. 底部CTA */
.sz-cta { background: #151824; color: #fff; position: relative; overflow: hidden; }
.sz-cta::before {
  content: ""; position: absolute; right: -120px; top: -120px; width: 340px; height: 340px;
  border-radius: 50%; background: rgba(232,56,13,.18);
}
.sz-cta-inner {
  position: relative; display: flex; align-items: center; justify-content: space-between;
  gap: 30px; padding: 64px 0; flex-wrap: wrap;
}
.sz-cta-text h2 { font-size: 30px; font-weight: 700; margin-bottom: 12px; }
.sz-cta-text p { color: rgba(255,255,255,.7); font-size: 15.5px; }
.sz-cta-actions { display: flex; align-items: center; gap: 26px; flex-wrap: wrap; }
.sz-cta-phone { font-size: 26px; font-weight: 800; color: #ff5a2c; white-space: nowrap; }
.sz-cta-phone i { font-size: 20px; margin-right: 8px; }

/* 8. 页脚（深色） */
.sz-footer { background: #151824; color: #9aa0b5; font-size: 14px; }
.sz-footer-top {
  display: grid; grid-template-columns: 1.6fr 1fr 1fr 1fr 1fr; gap: 40px;
  padding: 64px 0 48px; border-bottom: 1px solid rgba(255,255,255,.08);
}
.sz-footer-logo { display: flex; align-items: center; gap: 10px; color: #fff; font-size: 21px; font-weight: 800; margin-bottom: 20px; }
.sz-footer-logo .logo-mark { background: var(--primary); border-radius: 8px; }
.sz-footer-brand p { line-height: 1.9; margin-bottom: 18px; }
.sz-footer-hotline { color: #fff; font-size: 20px; font-weight: 800; }
.sz-footer-hotline a { color: #fff; }
.sz-footer-hotline i { color: #ff5a2c; margin-right: 8px; }
.sz-footer-addr { margin-top: 12px; line-height: 1.8; }
.sz-footer-meta { margin-top: 8px; line-height: 1.7; }
.sz-footer-meta i { color: #ff5a2c; margin-right: 8px; width: 16px; text-align: center; }
.sz-footer-meta a { color: #9aa0b5; transition: color .2s; }
.sz-footer-meta a:hover { color: #ff5a2c; }
.sz-footer-links { margin-top: 18px; padding-top: 16px; border-top: 1px solid rgba(255,255,255,.08); font-size: 13px; line-height: 2; }
.sz-footer-links span { color: #6b7088; }
.sz-footer-links a { color: #9aa0b5; margin-right: 16px; transition: color .2s; }
.sz-footer-links a:hover { color: #ff5a2c; }
.sz-footer-social { display: flex; gap: 10px; margin-top: 20px; }
.sz-footer-social a {
  width: 38px; height: 38px; border-radius: 50%; border: 1px solid rgba(255,255,255,.18);
  display: flex; align-items: center; justify-content: center; color: #9aa0b5; font-size: 15px; transition: .2s;
}
.sz-footer-social a:hover { background: var(--primary); border-color: var(--primary); color: #fff; }
.sz-footer-col h4 { color: #fff; font-size: 15.5px; font-weight: 700; margin-bottom: 20px; }
.sz-footer-col li { margin-bottom: 11px; }
.sz-footer-col a { color: #9aa0b5; font-size: 13.5px; transition: .2s; }
.sz-footer-col a:hover { color: #ff5a2c; padding-left: 3px; }
.sz-footer-bottom { padding: 20px 0; font-size: 13px; color: #7b8095; }
.sz-footer-bottom .container { display: flex; justify-content: space-between; gap: 14px; flex-wrap: wrap; }
.sz-footer-bottom a { color: #7b8095; margin-left: 18px; }
.sz-footer-bottom a:hover { color: #ff5a2c; }

/* 咨询/伙伴表单页 */
.sz-form-page { background: var(--cream); }
.sz-form-wrap {
  max-width: 760px; margin: 0 auto; background: #fff; border-radius: 4px;
  padding: 40px 42px; box-shadow: 0 14px 40px rgba(21,24,36,.08);
}
.sz-form-wrap h2 { font-size: 24px; color: var(--ink); margin-bottom: 8px; }
.sz-form-wrap .sz-form-desc { color: var(--text-light); font-size: 14.5px; margin-bottom: 26px; }
.sz-form .form-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.sz-form label { display: block; margin-bottom: 16px; }
.sz-form label span { display: block; font-size: 13.5px; color: var(--text-light); margin-bottom: 6px; }
.sz-form label span b { color: var(--primary); }
.sz-form input, .sz-form textarea {
  width: 100%; border: 1px solid var(--border); border-radius: 3px; padding: 11px 14px;
  font-size: 14px; font-family: inherit; outline: none; transition: border .15s;
}
.sz-form input:focus, .sz-form textarea:focus { border-color: var(--primary); box-shadow: 0 0 0 3px rgba(232,56,13,.08); }
.sz-form textarea { min-height: 130px; resize: vertical; }
.sz-form-actions { margin-top: 6px; }

/* 列表无图卡片 */
.card-noimg {
  aspect-ratio: 16/10; display: flex; align-items: center; justify-content: center;
  background: linear-gradient(135deg,#1c2030,#2a2f45); color: rgba(255,255,255,.8); font-size: 40px;
}

/* 迈锐组件响应式 */
@media (max-width: 992px) {
  .sz-hero h1 { font-size: 36px; }
  .sz-hero-inner { padding: 64px 20px; }
  .sz-trust-grid { grid-template-columns: repeat(2,1fr) !important; gap: 26px 0; }
  .sz-trust-item:nth-child(2n) { border-right: none; }
  .sz-grid-3 { grid-template-columns: repeat(2,1fr); }
  .sz-why-grid { grid-template-columns: repeat(2,1fr); }
  .sz-news-grid { grid-template-columns: repeat(2,1fr); }
  .sz-footer-top { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 640px) {
  .sz-hero h1 { font-size: 28px; }
  .sz-hero-sub { font-size: 15px; margin-bottom: 28px; }
  .sz-grid-3, .sz-why-grid, .sz-news-grid { grid-template-columns: 1fr; }
  .sz-trust-grid { grid-template-columns: 1fr !important; gap: 22px 0; }
  .sz-trust-item { border-right: none !important; }
  .sz-trust-item b { font-size: 26px; }
  .sz-trust-item span { font-size: 14.5px; }
  .sz-cta-text h2 { font-size: 24px; }
  .sz-cta-phone { font-size: 22px; }
  .sz-footer-top { grid-template-columns: 1fr; }
  .sz-form-wrap { padding: 26px 20px; }
  .sz-form .form-grid { grid-template-columns: 1fr; }
  .header-cta { padding: 9px 14px; font-size: 13.5px; }
}

/* ===== 产品详情页 ===== */
.pd-tag { display:inline-block; background:var(--primary); color:#fff; font-size:12px; padding:2px 10px; border-radius:2px; margin-bottom:10px; }
/* 吸顶锚点条（1:1 参考站 soinfobox_nav：居中 + 橙条从中间展开） */
.pd-tabs { position:sticky; top:74px; z-index:90; background:#fff; }
.pd-tabs-inner { display:flex; justify-content:center; height:4.167vw; line-height:4.167vw; border-bottom:1px solid #eee; }
.pd-tab { display:block; position:relative; margin:0 1.98vw; padding:0; color:#666; font-size:.9375vw; transition:all .4s; }
.pd-tab::before { content:""; display:block; position:absolute; left:0; right:0; bottom:0; margin:0 auto; height:2px; width:0; background-color:#e8380d; transition:all .4s; }
.pd-tab:hover { color:#000; font-weight:bold; }
.pd-tab.active { color:#000; font-weight:bold; }
.pd-tab:hover::before, .pd-tab.active::before { width:100%; }
.pd-block { padding:60px 0 0; }
.pd-block-head { text-align:center; margin-bottom:36px; }
.pd-block-name { color:var(--primary); font-size:14px; font-weight:600; margin-bottom:8px; }
.pd-block-head h2 { font-size:1.6vw; color:var(--ink); font-weight:700; }
.pd-adv-grid { display:grid; grid-template-columns:repeat(auto-fit,minmax(280px,1fr)); gap:20px; }
.pd-adv-item { background:var(--cream); padding:28px 24px; border-radius:2px; }
.pd-adv-item h3 { font-size:16px; color:var(--ink); margin-bottom:10px; font-weight:700; }
.pd-adv-item p { font-size:14px; color:var(--text-light); line-height:1.7; }
.pd-ov-text { max-width:800px; margin:0 auto; text-align:center; font-size:15px; color:var(--text-light); line-height:1.9; }
.pd-scene-grid { display:grid; grid-template-columns:repeat(auto-fit,minmax(220px,1fr)); gap:16px; }
.pd-scene-item { background:#fff; border:1px solid #eee; padding:24px 20px; text-align:center; border-radius:2px; transition:all .2s; }
.pd-scene-item:hover { border-color:var(--primary); box-shadow:0 4px 12px rgba(232,56,13,.08); }
.pd-scene-item h3 { font-size:15px; color:var(--ink); font-weight:700; }
.pd-scene-item p { font-size:13px; color:var(--text-light); margin-top:6px; }
@media (max-width:1580px){ .pd-tabs-inner{height:60px;line-height:60px;} .pd-tab{margin:0 20px;font-size:14px;} }
@media (max-width:767px){ .pd-tabs{top:56px;} .pd-tabs-inner{height:48px;line-height:48px;} .pd-tab{margin:0 12px;font-size:13px;} .pd-block{padding:40px 0 0;} }

/* ==================== 客户案例（1:1 对标参考站 /cases 与详情页；换算：参考站 1rem=calc(100vw/19.2)=5.208vw，@1920 1rem=100px，≥1921px 锁 px） ==================== */
/* 参考站 container2 */
.container2 { margin: 0 auto; width: 74%; }
@media (max-width:1199px){ .container2 { width: 90%; } }

/* 案例图片容器 .pb/.ab（参考站通用结构） */
.inner-cases-block .pb, .inner-cases-list .pb, .inner-cases-display .pb, .inner-more-cases .pb { position: relative; height: 0; overflow: hidden; background: #f4f5f7; }
.inner-cases-block .pb .ab, .inner-cases-list .pb .ab, .inner-cases-display .pb .ab, .inner-more-cases .pb .ab { position: absolute; left: 0; top: 0; width: 100%; height: 100%; display: flex; align-items: center; justify-content: center; }
.inner-cases-block .pb img, .inner-cases-list .pb img, .inner-cases-display .pb img, .inner-more-cases .pb img { width: 100%; height: 100%; object-fit: cover; }

/* 参考站 font 字号工具（0.XXrem → vw） */
.inner-cases-block .font14, .inner-cases-list .font14, .inner-cases-details .font14, .inner-more-cases .font14 { font-size: 0.729vw; }
.inner-cases-list .font20 { font-size: 1.042vw; }
.inner-cases-block .font18 { font-size: 0.938vw; }
.inner-cases-block .font24, .inner-cases-details .font24, .inner-more-cases .font24 { font-size: 1.25vw; }
.inner-cases-block .font30, .inner-cases-display .font30 { font-size: 1.563vw; }
.inner-cases-block .font36, .inner-cases-display .font36, .inner-more-cases .font36 { font-size: 1.875vw; }

/* 分页（参考站 .basepage，pagination_html 输出 .pager.basepage） */
.basepage { display: flex; align-items: center; flex-wrap: wrap; justify-content: center; }
.pager.basepage { gap: 0; margin-top: 3.646vw; }
.basepage a, .basepage span, .basepage input:not([type=hidden]) { min-width: 56px; height: 56px; display: flex; align-items: center; justify-content: center; border-radius: 3px; border: 1px solid #eeeeee; color: #282b37; flex-shrink: 0; transition: all .4s; font-size: 14px; margin: 0 10px 10px; padding: 0 10px; background: #fff; }
.basepage span { border: none; min-width: 0; width: auto; background: transparent; }
.basepage a:hover { border: 1px solid #e8380d; color: #fff; background: #e8380d; }
.basepage a.active { border: 1px solid #e8380d; background-color: #e8380d; color: #fff; }
.basepage a.active:hover { color: #fff; background-color: #e8380d; }
.basepage .prev, .basepage .next { position: relative; min-width: 0; width: auto; padding: 0 1.25vw; color: #222; }
.basepage .prev:hover, .basepage .next:hover { background-color: #e8380d; border-color: #e8380d; color: #fff; }
.basepage form.pager-skip { display: flex; align-items: center; }
.basepage form.pager-skip input:not([type=hidden]) { width: 56px; min-width: 56px; text-align: center; padding: 0; }

/* ---------- 列表页顶部：标题 + 精选轮播 ---------- */
.inner-cases-block { width: 100%; padding-top: 8.333vw; background: linear-gradient(180deg, #f8f4f1 0%, #ffffff 42%); background-repeat: no-repeat; background-position: top center; overflow: hidden; }
.inner-cases-block .cases-box, .inner-cases-list .cases-box, .inner-more-cases .cases-box { width: 100%; }
.inner-cases-block .inner-title, .inner-cases-list .inner-title, .inner-more-cases .inner-title { width: 100%; text-align: center; overflow: hidden; color: #282B37; }
.inner-cases-block .inner-title .headline, .inner-cases-list .inner-title .headline, .inner-more-cases .inner-title .headline { font-weight: 500; }
.inner-cases-block .inner-title .subtitle { color: #858791; font-weight: 400; margin-top: 0.833vw; }
.inner-cases-block .swiper-box { width: 100%; margin-top: 2.604vw; box-shadow: 2px 3.464px 24px 0 rgba(0, 0, 0, 0.06); overflow: hidden; }
.inner-cases-block .swiper-box .swiper-slide { display: none; width: 100%; border-radius: 6px; background: #FFFFFF; overflow: hidden; }
.inner-cases-block .swiper-box .swiper-slide.swiper-slide-active { display: block; animation: caseFade .5s ease; }
@keyframes caseFade { from { opacity: 0; } to { opacity: 1; } }
.inner-cases-block .swiper-box .swiper-slide a { width: 100%; height: 100%; display: flex; overflow: hidden; }
.inner-cases-block .swiper-box .swiper-slide a .images { width: 50%; overflow: hidden; }
.inner-cases-block .swiper-box .swiper-slide a .images .pb { padding-bottom: 70%; }
.inner-cases-block .swiper-box .swiper-slide a .content { width: 50%; padding: 0 3.646vw 0 4.688vw; display: flex; flex-direction: column; overflow: hidden; }
.inner-cases-block .swiper-box .swiper-slide a .content .info-box { width: 100%; flex: 1; padding: 2.604vw 0; display: block; overflow: hidden; }
.inner-cases-block .swiper-box .swiper-slide a .content .info-box .classify { font-size: 18px; font-weight: 500; color: #EF3E08; }
.inner-cases-block .swiper-box .swiper-slide a .content .info-box .title { max-height: calc(2em * 1.2); margin-top: 0.8em; font-weight: 500; color: #282B37; line-height: 1.2; display: -webkit-box; -webkit-box-orient: vertical; -webkit-line-clamp: 2; overflow: hidden; }
.inner-cases-block .swiper-box .swiper-slide a .content .info-box .details { max-height: calc(3em * 1.625); margin-top: 1.625em; color: #999999; line-height: 1.625; display: -webkit-box; -webkit-box-orient: vertical; -webkit-line-clamp: 3; overflow: hidden; }
.inner-cases-block .swiper-box .swiper-slide a .content .view-more { width: 100%; overflow: hidden; }
.inner-cases-block .swiper-box .swiper-slide a .content .view-more .line { width: 100%; position: relative; z-index: 1; overflow: hidden; --active-color: #D9DBDE; }
.inner-cases-block .swiper-box .swiper-slide a .content .view-more .line::before { content: ''; width: 100%; height: 1px; position: absolute; left: 0; top: 0; z-index: 1; background: var(--active-color); }
.inner-cases-block .swiper-box .swiper-slide a .content .view-more .line::after { content: ''; width: 1.042vw; height: 1.042vw; min-width: 12px; min-height: 12px; position: relative; z-index: 5; left: 10px; display: block; background: #FFFFFF; transform: rotate(45deg) translateY(-80%); border: 1px solid var(--active-color); }
.inner-cases-block .swiper-box .swiper-slide a .content .view-more .more { width: 100%; padding: 1.042vw 0 2.604vw; display: flex; align-items: center; justify-content: space-between; color: #EF3E08; overflow: hidden; }
.inner-cases-block .swiper-box .swiper-slide a .content .view-more .more .word { color: #EF3E08; }
.inner-cases-block .swiper-box .swiper-slide a .content .view-more .more .icon { width: 1.042vw; min-width: 16px; }
.inner-cases-block .swiper-box .swiper-slide a .content .view-more .more .icon svg { width: 100%; height: auto; display: block; }
.inner-cases-block .swiper-box .swiper-slide a .content .view-more .more .icon svg path { fill: currentColor; }

/* ---------- 列表区：行业筛选 + 卡片网格 + 分页 ---------- */
.inner-cases-list { width: 100%; margin: 6.25vw 0; overflow: hidden; }
.inner-cases-list .cases-link { width: 100%; margin-top: 20px; display: flex; align-items: center; justify-content: center; grid-gap: 20px; overflow: hidden; overflow-x: auto; }
.inner-cases-list .cases-link a { position: relative; z-index: 1; padding: 0 1em 1em; color: #282B37; line-height: 1.2; white-space: nowrap; flex: 0 0 auto; }
.inner-cases-list .cases-link a::after { content: ''; width: 0; height: 3px; position: absolute; left: 50%; bottom: 0; transform: translateX(-50%); background: #EF3E08; transition: all .25s ease; }
.inner-cases-list .cases-link a.active { color: #EF3E08; }
.inner-cases-list .cases-link a.active::after { width: 100%; }
.inner-cases-list .cases-link a:hover { color: #EF3E08; }
.inner-cases-list .cases-list { width: 100%; margin-top: 2.083vw; padding: 10px; box-sizing: content-box; transform: translateX(-10px); display: grid; grid-template-columns: repeat(3, 1fr); gap: 2.083vw; }
.inner-cases-list .cases-list .item, .inner-more-cases .cases-list .item, .inner-solu-sections .cases-list .item { width: 100%; box-shadow: 0 0 10px rgba(0, 0, 0, 0.1); border-radius: 6px 6px 10px 10px; background: #FFFFFF; position: relative; z-index: 1; overflow: hidden; }
.inner-cases-list .cases-list .item .img, .inner-more-cases .cases-list .item .img, .inner-solu-sections .cases-list .item .img { width: 100%; position: relative; z-index: 1; border-radius: 6px; overflow: hidden; }
.inner-cases-list .cases-list .item .img .hot, .inner-more-cases .cases-list .item .img .hot, .inner-solu-sections .cases-list .item .img .hot { padding: 5px 0 5px 1.42em; position: absolute; left: 0; top: 0; z-index: 10; background: #EF3E08; color: #FFFFFF; }
.inner-cases-list .cases-list .item .img .hot::after, .inner-more-cases .cases-list .item .img .hot::after, .inner-solu-sections .cases-list .item .img .hot::after { content: ''; width: 100px; height: 100%; position: absolute; left: 0; top: 0; z-index: -1; background: #EF3E08; border-radius: 0 0 6px 0; transform: translateX(-20px) skewX(-20deg); }
.inner-cases-list .cases-list .item .img .pb, .inner-more-cases .cases-list .item .img .pb, .inner-solu-sections .cases-list .item .img .pb { padding-bottom: 61.36%; }
.inner-cases-list .cases-list .item .info, .inner-more-cases .cases-list .item .info, .inner-solu-sections .cases-list .item .info { width: 100%; position: relative; z-index: 5; padding: 2.083vw; margin-top: -36px; border-radius: 10px; transition: all .25s ease; overflow: hidden; background: rgba(255, 255, 255, 0.8); backdrop-filter: blur(10px); }
.inner-cases-list .cases-list .item .info .title, .inner-more-cases .cases-list .item .info .title, .inner-solu-sections .cases-list .item .info .title { width: 100%; min-height: calc(2em * 1.3); max-height: calc(2em * 1.3); margin-top: 20px; color: #282B37; font-weight: 500; line-height: 1.3; transition: all .25s ease; display: -webkit-box; -webkit-box-orient: vertical; -webkit-line-clamp: 2; overflow: hidden; }
.inner-cases-list .cases-list .item .info .tabs-text, .inner-more-cases .cases-list .item .info .tabs-text, .inner-solu-sections .cases-list .item .info .tabs-text { width: 100%; margin-top: 2.604vw; display: flex; flex-wrap: wrap; gap: 0.8em; transition: all .25s ease; overflow: hidden; }
.inner-cases-list .cases-list .item .info .tabs-text span, .inner-more-cases .cases-list .item .info .tabs-text span, .inner-solu-sections .cases-list .item .info .tabs-text span { padding: 0.2em 0.8em; display: flex; align-items: center; background: #F7F7F7; color: #282B37; white-space: nowrap; }
.inner-cases-list .cases-list .item .more, .inner-more-cases .cases-list .item .more, .inner-solu-sections .cases-list .item .more { width: 100%; padding: 0 2.083vw 2.083vw; position: absolute; z-index: 10; left: 0; bottom: 0; display: flex; align-items: center; color: #EF3E08; transform: translateY(1em); opacity: 0; transition: all .25s ease; overflow: hidden; }
.inner-cases-list .cases-list .item .more .icon, .inner-more-cases .cases-list .item .more .icon, .inner-solu-sections .cases-list .item .more .icon { margin-left: 10px; width: 1.042vw; min-width: 14px; }
.inner-cases-list .cases-list .item .more .icon svg, .inner-more-cases .cases-list .item .more .icon svg, .inner-solu-sections .cases-list .item .more .icon svg { width: 100%; display: block; }
.inner-cases-list .cases-list .item .more .icon svg path, .inner-more-cases .cases-list .item .more .icon svg path, .inner-solu-sections .cases-list .item .more .icon svg path { fill: currentColor; }
.inner-cases-list .cases-list .item:hover .info, .inner-more-cases .cases-list .item:hover .info, .inner-solu-sections .cases-list .item:hover .info { transform: translateY(-36px); will-change: transform; }
.inner-cases-list .cases-list .item:hover .info .title, .inner-more-cases .cases-list .item:hover .info .title, .inner-solu-sections .cases-list .item:hover .info .title { min-height: 1.3em; }
.inner-cases-list .cases-list .item:hover .info .tabs-text, .inner-more-cases .cases-list .item:hover .info .tabs-text, .inner-solu-sections .cases-list .item:hover .info .tabs-text { margin-top: 1.042vw; }
.inner-cases-list .cases-list .item:hover .more, .inner-more-cases .cases-list .item:hover .more, .inner-solu-sections .cases-list .item:hover .more { opacity: 1; transform: translateY(0); }

/* ---------- 详情页：顶部展示 ---------- */
.inner-cases-display { width: 100%; position: relative; z-index: 1; background: #F5F4F5; overflow: hidden; }
.inner-cases-display::after { content: ''; width: 100%; height: 100%; position: absolute; left: 0; top: 0; z-index: 1; background: linear-gradient(135deg, rgba(232, 56, 13, 0.08) 0%, rgba(232, 56, 13, 0) 45%, rgba(21, 24, 36, 0.05) 100%); pointer-events: none; }
.inner-cases-display .container2 { position: relative; z-index: 5; }
.inner-cases-display .cases-box { width: 100%; padding: 6.25vw 0; display: flex; overflow: hidden; }
.inner-cases-display .cases-box .content { width: 50%; margin-right: 5.208vw; display: flex; flex-direction: column; }
.inner-cases-display .cases-box .content .info { width: 100%; margin: 20px 0 30px; flex: 1; overflow: hidden; }
.inner-cases-display .cases-box .content .info .title { font-weight: 500; color: #282B37; }
.inner-cases-display .cases-box .content .info .details { margin-top: 20px; color: #444444; line-height: 1.5; }
.inner-cases-display .cases-box .content .menu { width: 100%; display: grid; grid-template-columns: repeat(3, 1fr); gap: 5.208vw; overflow: hidden; }
.inner-cases-display .cases-box .content .menu .item { overflow: hidden; }
.inner-cases-display .cases-box .content .menu .item .number { width: 100%; display: flex; align-items: flex-end; color: #EF3E08; overflow: hidden; }
.inner-cases-display .cases-box .content .menu .item .number .beat { font-weight: 500; line-height: 1; }
.inner-cases-display .cases-box .content .menu .item .number .unit { align-self: end; margin-left: 3px; font-size: 18px; }
.inner-cases-display .cases-box .content .menu .item .title { width: 100%; margin-top: 5px; color: #444444; overflow: hidden; }
.inner-cases-display .cases-box .images { width: 50%; }
.inner-cases-display .cases-box .images .pb { border-radius: 10px; padding-bottom: 58.82352941%; }

/* ---------- 详情页：正文 + 侧栏 ---------- */
.inner-cases-details { width: 100%; margin: 7.813vw 0; overflow: hidden; }
.inner-cases-details .cases-box { width: 100%; display: flex; overflow: hidden; }
.inner-cases-details .cases-box .cases-main { width: 100%; flex: 1; overflow: hidden; }
.inner-cases-details .cases-box .cases-main .tabs-text { width: 100%; margin-top: 2.604vw; display: flex; flex-wrap: wrap; gap: 0.8em; overflow: hidden; }
.inner-cases-details .cases-box .cases-main .tabs-text span { padding: 0.2em 0.8em; display: flex; align-items: center; background: #F7F7F7; color: #282B37; white-space: nowrap; }
.inner-cases-details .cases-box .cases-main .return-box { width: 100%; margin-top: 1.563vw; padding-top: 1.563vw; display: flex; justify-content: space-between; border-top: 1px solid #EEEEEE; overflow: hidden; }
.inner-cases-details .cases-box .cases-main .return-box .return-text { width: 100%; display: flex; flex-direction: column; justify-content: space-between; overflow: hidden; }
.inner-cases-details .cases-box .cases-main .return-box .return-text .title { display: flex; color: #1A1A1A; line-height: 1.2; font-size: 16px; font-weight: 400; }
.inner-cases-details .cases-box .cases-main .return-box .return-text .title a { max-width: 100%; flex: 1; color: #1A1A1A; transition: all .25s ease; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.inner-cases-details .cases-box .cases-main .return-box .return-text .title a:hover { color: #EF3E08; text-decoration: underline; }
.inner-cases-details .cases-box .cases-main .return-box .return-text .title + .title { margin-top: 10px; }
.inner-cases-details .cases-box .cases-main .return-box .return-btn { margin-left: 5.208vw; flex-shrink: 0; }
.inner-cases-details .cases-box .cases-main .return-box .return-btn a { height: 52px; padding: 0 2em; display: flex; align-items: center; background: #EF3E08; border-radius: 3px; white-space: nowrap; color: #FFFFFF; font-size: 15px; }
.inner-cases-details .cases-box .cases-main .return-box .return-btn a i { width: 14px; height: 100%; margin-left: 2em; transition: all .25s ease; display: flex; align-items: center; }
.inner-cases-details .cases-box .cases-main .return-box .return-btn a i svg { width: 100%; }
.inner-cases-details .cases-box .cases-main .return-box .return-btn a i svg path { fill: #FFFFFF; }
.inner-cases-details .cases-box .cases-main .return-box .return-btn a:hover i { transform: translateX(50%); }
.inner-cases-details .cases-box .sidebar-box { width: 325px; margin-left: 3.125vw; flex-shrink: 0; }
.inner-cases-details .cases-box .sidebar-box .headline { width: 100%; font-weight: 500; color: #222222; overflow: hidden; }
.inner-cases-details .cases-box .sidebar-box .sidebar-cases { width: 100%; padding: 20px; border: 1px solid #EEEEEE; overflow: hidden; }
.inner-cases-details .cases-box .sidebar-box .sidebar-cases .menu-box { width: 100%; margin-top: 1.563vw; overflow: hidden; }
.inner-cases-details .cases-box .sidebar-box .sidebar-cases .menu-box .item { width: 100%; position: relative; z-index: 1; }
.inner-cases-details .cases-box .sidebar-box .sidebar-cases .menu-box .item .title { width: 100%; font-size: 16px; font-weight: 500; color: #444444; overflow: hidden; }
.inner-cases-details .cases-box .sidebar-box .sidebar-cases .menu-box .item .details { width: 100%; margin-top: 1em; font-size: 14px; color: #999999; line-height: 1.5; overflow: hidden; }
.inner-cases-details .cases-box .sidebar-box .sidebar-cases .menu-box .item .more { width: 100%; margin-top: 1.042vw; display: flex; align-items: center; color: #EF3E08; overflow: hidden; }
.inner-cases-details .cases-box .sidebar-box .sidebar-cases .menu-box .item .more .word { margin-right: 0.5em; font-size: 14px; color: #EF3E08; }
.inner-cases-details .cases-box .sidebar-box .sidebar-cases .menu-box .item .more .icon { width: 14px; }
.inner-cases-details .cases-box .sidebar-box .sidebar-cases .menu-box .item .more .icon svg { width: 100%; display: block; }
.inner-cases-details .cases-box .sidebar-box .sidebar-cases .menu-box .item .more .icon svg path { fill: currentColor; }
.inner-cases-details .cases-box .sidebar-box .sidebar-cases .menu-box .item + .item { margin-top: 2.604vw; }
.inner-cases-details .cases-box .sidebar-box .sidebar-cases .menu-box .item + .item::before { content: ''; width: 100%; height: 1px; position: absolute; left: 0; top: -1.302vw; z-index: 1; background: #EEEEEE; }
.inner-cases-details .cases-box .sidebar-box .sidebar-product { width: 100%; margin-top: 20px; padding: 20px; border: 1px solid #EEEEEE; overflow: hidden; }
.inner-cases-details .cases-box .sidebar-box .sidebar-product .menu-box { width: 100%; margin-top: 1.563vw; }
.inner-cases-details .cases-box .sidebar-box .sidebar-product .menu-box .item { width: 100%; }
.inner-cases-details .cases-box .sidebar-box .sidebar-product .menu-box .item a { padding: 1em 0; display: flex; color: #333333; line-height: 1.5; border-bottom: 1px solid #EEEEEE; }
.inner-cases-details .cases-box .sidebar-box .sidebar-product .menu-box .item a .word { width: 100%; flex: 1; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.inner-cases-details .cases-box .sidebar-box .sidebar-product .menu-box .item:first-child a { padding-top: 0; }
.inner-cases-details .cases-box .sidebar-box .sidebar-product .menu-box .item:last-child a { border: 0; }

/* ---------- 详情页：更多精彩内容 ---------- */
.inner-more-cases { width: 100%; margin: 7.813vw 0 7.292vw; overflow: hidden; }
.inner-more-cases .cases-list { width: 100%; margin-top: 2.083vw; padding: 10px; transform: translateX(-10px); box-sizing: content-box; display: grid; grid-template-columns: repeat(3, 1fr); gap: 2.083vw; overflow: hidden; }

/* ≥1921px 锁定 px（@1920 1rem=100px, 1vw=19.2px） */
@media (min-width:1921px){
  .container2 { width: 74%; }
  .inner-cases-block .font14, .inner-cases-list .font14, .inner-cases-details .font14, .inner-more-cases .font14 { font-size: 14px; }
  .inner-cases-list .font20 { font-size: 20px; }
  .inner-cases-block .font18 { font-size: 18px; }
  .inner-cases-block .font24, .inner-cases-details .font24, .inner-more-cases .font24 { font-size: 24px; }
  .inner-cases-block .font30, .inner-cases-display .font30 { font-size: 30px; }
  .inner-cases-block .font36, .inner-cases-display .font36, .inner-more-cases .font36 { font-size: 36px; }
  .inner-cases-block .inner-title .subtitle, .inner-cases-list .inner-title .subtitle { margin-top: 16px; }
  .pager.basepage { margin-top: 70px; }
  .basepage .prev, .basepage .next { padding: 0 24px; }
  .inner-cases-block { padding-top: 160px; }
  .inner-cases-block .swiper-box { margin-top: 50px; }
  .inner-cases-block .swiper-box .swiper-slide a .content { padding: 0 70px 0 90px; }
  .inner-cases-block .swiper-box .swiper-slide a .content .info-box { padding: 50px 0; }
  .inner-cases-block .swiper-box .swiper-slide a .content .view-more .more { padding: 20px 0 50px; }
  .inner-cases-block .swiper-box .swiper-slide a .content .view-more .more .icon { width: 20px; }
  .inner-cases-list { margin: 120px 0; }
  .inner-cases-list .cases-list { margin-top: 40px; gap: 40px; }
  .inner-cases-list .cases-list .item .info { padding: 40px; }
  .inner-cases-list .cases-list .item .info .tabs-text { margin-top: 50px; }
  .inner-cases-list .cases-list .item:hover .info .tabs-text { margin-top: 20px; }
  .inner-cases-list .cases-list .item .more { padding: 0 40px 40px; }
  .inner-cases-list .cases-list .item .more .icon { width: 20px; }
  .inner-cases-display .cases-box { padding: 120px 0; }
  .inner-cases-display .cases-box .content { margin-right: 100px; }
  .inner-cases-display .cases-box .content .menu { gap: 100px; }
  .inner-cases-details { margin: 150px 0; }
  .inner-cases-details .cases-box .cases-main .tabs-text { margin-top: 50px; }
  .inner-cases-details .cases-box .cases-main .return-box { margin-top: 30px; padding-top: 30px; }
  .inner-cases-details .cases-box .cases-main .return-box .return-btn { margin-left: 100px; }
  .inner-cases-details .cases-box .sidebar-box { margin-left: 60px; }
  .inner-cases-details .cases-box .sidebar-box .sidebar-cases .menu-box { margin-top: 30px; }
  .inner-cases-details .cases-box .sidebar-box .sidebar-cases .menu-box .item .more { margin-top: 20px; }
  .inner-cases-details .cases-box .sidebar-box .sidebar-cases .menu-box .item + .item { margin-top: 50px; }
  .inner-cases-details .cases-box .sidebar-box .sidebar-cases .menu-box .item + .item::before { top: -25px; }
  .inner-cases-details .cases-box .sidebar-box .sidebar-product .menu-box { margin-top: 30px; }
  .inner-more-cases { margin: 150px 0 140px; }
  .inner-more-cases .cases-list { margin-top: 40px; gap: 40px; }
  .inner-more-cases .cases-list .item .info { padding: 40px; }
  .inner-more-cases .cases-list .item .info .tabs-text { margin-top: 50px; }
  .inner-more-cases .cases-list .item:hover .info .tabs-text { margin-top: 20px; }
  .inner-more-cases .cases-list .item .more { padding: 0 40px 40px; }
  .inner-more-cases .cases-list .item .more .icon { width: 20px; }
}

/* 响应式（参考站断点 1260/991/767） */
@media (max-width:1260px){
  .inner-cases-block .font48, .inner-cases-list .font48 { font-size: 34px; }
  .inner-cases-block .font36, .inner-cases-display .font36, .inner-more-cases .font36 { font-size: 26px; }
  .inner-cases-block .font30, .inner-cases-display .font30 { font-size: 22px; }
  .inner-cases-block .font24, .inner-cases-details .font24, .inner-more-cases .font24 { font-size: 18px; }
  .inner-cases-list .font20 { font-size: 16px; }
  .inner-cases-block .font18 { font-size: 15px; }
  .inner-cases-block .font14, .inner-cases-list .font14, .inner-cases-details .font14, .inner-more-cases .font14 { font-size: 13px; }
  .inner-cases-block .inner-title .subtitle { margin-top: 8px; }
  .inner-cases-list .cases-list, .inner-more-cases .cases-list { grid-template-columns: repeat(2, 1fr); gap: 20px; }
  .inner-cases-list .cases-list .item .info, .inner-more-cases .cases-list .item .info { padding: 20px; }
  .inner-cases-list .cases-list .item .info .tabs-text, .inner-more-cases .cases-list .item .info .tabs-text { margin-top: 20px; }
  .inner-cases-list .cases-list .item:hover .info .tabs-text, .inner-more-cases .cases-list .item:hover .info .tabs-text { margin-top: 10px; }
  .inner-cases-list .cases-list .item .more, .inner-more-cases .cases-list .item .more { padding: 0 20px 20px; }
  .inner-cases-block .swiper-box .swiper-slide a .content { padding: 0 20px 0 30px; }
  .inner-cases-block .swiper-box .swiper-slide a .content .info-box { padding: 20px 0; }
  .inner-cases-block .swiper-box .swiper-slide a .content .info-box .details { max-height: calc(2em * 1.625); -webkit-line-clamp: 2; }
  .inner-cases-block .swiper-box .swiper-slide a .content .view-more .more { padding: 10px 0 20px; }
  .inner-cases-list .cases-list .item .img .hot, .inner-more-cases .cases-list .item .img .hot { font-size: 13px; }
}
@media (max-width:991px){
  .inner-cases-block { padding-top: 60px; }
  .inner-cases-list { margin: 60px 0; }
  .inner-cases-details { margin: 60px 0; }
  .inner-more-cases { margin: 60px 0 56px; }
  .inner-cases-display .cases-box { padding: 50px 0; }
  .inner-cases-block .swiper-box .swiper-slide a { flex-direction: column; }
  .inner-cases-block .swiper-box .swiper-slide a .images { width: 100%; }
  .inner-cases-block .swiper-box .swiper-slide a .images .pb { padding-bottom: 55%; }
  .inner-cases-block .swiper-box .swiper-slide a .content { width: 100%; flex: 1; padding: 30px 20px 0; }
  .inner-cases-block .swiper-box .swiper-slide a .content .info-box { padding: 0; }
  .inner-cases-block .swiper-box .swiper-slide a .content .view-more { margin-top: 30px; }
  .inner-cases-display .cases-box { display: block; }
  .inner-cases-display .cases-box .content { width: 100%; display: block; }
  .inner-cases-display .cases-box .images { width: 100%; margin-top: 30px; }
  .inner-cases-details .cases-box { display: block; }
  .inner-cases-details .cases-box .sidebar-box { width: 100%; margin: 50px 0 0; }
  .inner-cases-list .cases-list .item .more, .inner-more-cases .cases-list .item .more { position: relative; transform: translate(0); opacity: 1; }
  .inner-cases-list .cases-list .item .info { margin-top: -30px; }
  .basepage a, .basepage span, .basepage input:not([type=hidden]) { min-width: 45px; height: 45px; margin: 0 5px 10px; }
  .basepage .prev, .basepage .next { padding: 0 12px; }
}
@media (max-width:767px){
  .inner-cases-list .cases-list, .inner-more-cases .cases-list { grid-template-columns: 100%; }
  .inner-cases-display .cases-box .content .menu { grid-template-columns: repeat(2, 1fr); gap: 24px; }
  .inner-cases-list .cases-link { justify-content: flex-start; }
  .inner-cases-block .font48, .inner-cases-list .font48 { font-size: 24px; }
  .inner-cases-block .font36, .inner-cases-display .font36, .inner-more-cases .font36 { font-size: 20px; }
  .inner-cases-block .font30, .inner-cases-display .font30 { font-size: 18px; }
  .inner-cases-block .font24, .inner-cases-details .font24, .inner-more-cases .font24 { font-size: 16px; }
  .inner-cases-block .swiper-box .swiper-slide a .content .info-box .classify { font-size: 15px; }
  .inner-cases-details .cases-box .cases-main .return-box { flex-wrap: wrap; }
  .inner-cases-details .cases-box .cases-main .return-box .return-btn { margin-left: 0; margin-top: 16px; }
  .basepage a, .basepage span, .basepage input:not([type=hidden]) { min-width: 34px; height: 34px; font-size: 12px; margin: 0 4px 8px; padding: 0 6px; }
  .basepage form.pager-skip input:not([type=hidden]) { width: 44px; min-width: 44px; }
}

/* ---------- 解决方案子栏目分段展示（1:1 对标参考站 /solution 参数） ---------- */
.solutionbox { width: 100%; padding: 4.583vw 0 7.292vw; overflow: hidden; }
.solutionbox .cont { margin-bottom: 4.167vw; }
.solutionbox .cont:last-child { margin-bottom: 0; }
.solutionbox .productbox_tit { margin: 0 0 1.875vw; color: #282B37; font-weight: 600; display: flex; align-items: center; gap: 12px; }
.solutionbox .solu-section-desc, .productbox .solu-section-desc { margin: -0.938vw 0 1.875vw; color: #666; font-size: 15px; line-height: 1.6; }
/* 产品分段内三级栏目小标题 */
.productbox .product-sub-tit { margin: 0.521vw 0 0.26vw; padding-left: 0.625vw; border-left: 3px solid #e8380d; font-size: 17px; font-weight: 600; color: #282b37; line-height: 1.3; }
.productbox .product-sub-desc { margin: 0 0 0.781vw; color: #888; font-size: 13px; line-height: 1.6; }
.solutionbox .f_jt { display: flex; flex-wrap: wrap; margin: 0 -0.885vw; }
.solutionbox .f_jt .item { width: 33.333%; padding: 0 0.885vw; margin-bottom: 1.563vw; }
.solutionbox .f_jt .item .list { display: block; border-radius: 6px; border: 1px solid #eeeeee; padding: 0.938vw 1.042vw 0.833vw; background: #fff; transition: all .25s ease; }
.solutionbox .f_jt .item .img { overflow: hidden; border-radius: 6px; position: relative; z-index: 2; margin-bottom: 1.458vw; }
.solutionbox .f_jt .item .img::before { content: ''; display: block; padding-top: 38.02469136%; }
.solutionbox .f_jt .item .img img { position: absolute; left: 0; top: 0; width: 100%; height: 100%; object-fit: cover; transition: transform .6s ease; }
.solutionbox .f_jt .item .list:hover .img img { transform: scale(1.1); }
.solutionbox .f_jt .item .f_tit { width: 100%; white-space: nowrap; text-overflow: ellipsis; overflow: hidden; padding-bottom: 0.938vw; color: #333333; border-bottom: 1px dashed #e4e4e4; margin-bottom: 0.938vw; transition: all .4s; }
.solutionbox .f_jt .item .list:hover .f_tit { color: #EF3E08; }
.solutionbox .f_jt .item .f_text { color: #666666; line-height: 1.5; height: 3em; overflow: hidden; display: -webkit-box; -webkit-box-orient: vertical; -webkit-line-clamp: 2; text-overflow: ellipsis; margin-bottom: 0.625vw; font-size: 14px; }
.solutionbox .f_jt .item .but { display: flex; align-items: center; color: #EF3E08; }
.solutionbox .f_jt .item .but i { display: flex; align-items: center; justify-content: center; width: 8px; height: 11px; margin-left: 10px; }
.solutionbox .f_jt .item .but i svg { width: 100%; height: 100%; display: block; }
.solutionbox .f_jt .item .but i svg path { fill: #EF3E08; }
@media (min-width:1921px){
  .solutionbox { padding: 88px 0 140px; }
  .solutionbox .cont { margin-bottom: 80px; }
  .solutionbox .productbox_tit { margin-bottom: 36px; }
  .solutionbox .solu-section-desc { margin: -18px 0 36px; }
  .solutionbox .f_jt { margin: 0 -17px; }
  .solutionbox .f_jt .item { padding: 0 17px; margin-bottom: 30px; }
  .solutionbox .f_jt .item .list { padding: 18px 20px 16px; }
  .solutionbox .f_jt .item .img { margin-bottom: 28px; }
  .solutionbox .f_jt .item .f_tit { padding-bottom: 18px; margin-bottom: 18px; }
  .solutionbox .f_jt .item .f_text { margin-bottom: 12px; }
}
@media (max-width:991px){
  .solutionbox .f_jt .item { width: 50%; }
}
@media (max-width:767px){
  .solutionbox { padding: 40px 0 60px; }
  .solutionbox .cont { margin-bottom: 40px; }
  .solutionbox .productbox_tit { margin-bottom: 20px; }
  .solutionbox .f_jt { margin: 0; }
  .solutionbox .f_jt .item { width: 100%; padding: 0; margin-bottom: 20px; }
}


/* ===================== 关于我们 about-us（对标参考站真实结构，2026-10-12） ===================== */
/* rem 基准：1rem = 5.208vw（@1920 时 100px），≥1921 锁 px；断点 991/767 */
.mairui-about { color:#333; }
.mairui-about .font40 { font-size:2.083vw; }
.mairui-about .font34 { font-size:1.771vw; }
.mairui-about .font24 { font-size:1.25vw; }
.mairui-about .font22 { font-size:1.146vw; }
.mairui-about .base_img { position:relative; overflow:hidden; background:#f4f5f7; }
.mairui-about .base_img > img { position:absolute; left:0; top:0; width:100%; height:100%; object-fit:cover; }

/* 通用区块标题 */
.mairui-about .soinfobox_tit { text-align:center; }
.mairui-about .soinfobox_tit .f_name { color:#ef3e08; font-weight:700; margin-bottom:1.146vw; }
.mairui-about .soinfobox_tit .f_tit { line-height:1.12; font-weight:700; color:#151824; }

/* 首屏横幅 */
.mairui-about .populbanner { position:relative; overflow:hidden; background:#0d1020; }
.mairui-about .populbanner .bag { padding-top:23.4375%; background:#0d1020; }
.mairui-about .populbanner .bag img { opacity:.82; }
.mairui-about .populbanner .cont { position:absolute; top:50%; left:0; width:100%; transform:translateY(-50%); text-align:center; color:#fff; }
.mairui-about .populbanner .cont .f_tit { font-weight:700; line-height:1.25; padding:0 20px; }
.mairui-about .populbanner .cont .f_text { margin-top:.625vw; opacity:.85; }

/* 子导航（粘性） */
.mairui-about .soinfobox_nav { position:sticky; position:-webkit-sticky; top:74px; z-index:400; height:3.646vw; background:#fff; }
.mairui-about .soinfobox_nav .cont { position:relative; height:100%; border-bottom:1px solid #eee; }
.mairui-about .soinfobox_nav .container2 { display:flex; justify-content:center; align-items:center; height:100%; }
.mairui-about .about-subnav { display:flex; justify-content:center; align-items:center; max-width:100%; }
.mairui-about .about-subnav .item { display:block; margin:0 1.979vw; color:#666; font-size:16px; position:relative; white-space:nowrap; transition:color .4s; }
.mairui-about .about-subnav .item::after { content:''; position:absolute; left:0; right:0; bottom:-1px; margin:0 auto; height:3px; width:0; background:#e8380d; transition:width .4s; }
.mairui-about .about-subnav .item.on,
.mairui-about .about-subnav .item:hover { color:#000; font-weight:700; }
.mairui-about .about-subnav .item.on::after,
.mairui-about .about-subnav .item:hover::after { width:100%; }

/* sec1 我们是谁 */
.mairui-about .aboutbox-sec1 { padding:4.479vw 0 3.646vw; }
.mairui-about .aboutbox-sec1 .cont { display:flex; flex-wrap:wrap; justify-content:space-between; margin-bottom:3.646vw; }
.mairui-about .aboutbox-sec1 .cont .f_ming { width:100%; }
.mairui-about .aboutbox-sec1 .cont .f_ming .f_name { color:#e8380d; font-weight:700; margin-bottom:1.198vw; }
.mairui-about .aboutbox-sec1 .cont .font { width:34%; }
.mairui-about .aboutbox-sec1 .cont .font .f_tit { line-height:1.25; font-weight:700; color:#151824; }
.mairui-about .aboutbox-sec1 .cont .f_text { color:#666; line-height:1.7; width:49.285%; }
.mairui-about .aboutbox-sec1 .f_jt { border-radius:10px; overflow:hidden; }
.mairui-about .aboutbox-sec1 .f_jt .img { width:100%; padding-top:40%; }

/* sec2 起源和发展 */
.mairui-about .aboutbox-sec2 { padding:3.75vw 0 4.02vw; }
.mairui-about .aboutbox-sec2 .soinfobox_tit { margin-bottom:4.688vw; max-width:23.23vw; text-align:left; }
.mairui-about .aboutbox-sec2 .cont .item { display:flex; flex-wrap:wrap; align-items:center; justify-content:flex-end; position:relative; margin-bottom:4.167vw; }
.mairui-about .aboutbox-sec2 .cont .item:last-child { margin-bottom:0; }
.mairui-about .aboutbox-sec2 .cont .item .font { width:44.28%; position:absolute; left:0; top:50%; z-index:2; transform:translateY(-50%); border-radius:10px; background:#f7f9fc; padding:3.854vw 4.688vw 3.854vw 3.542vw; }
.mairui-about .aboutbox-sec2 .cont .item .font .f_tit { color:#000; font-weight:700; margin-bottom:1.2vw; }
.mairui-about .aboutbox-sec2 .cont .item .font .f_text { color:#222; line-height:1.65; }
.mairui-about .aboutbox-sec2 .cont .item .font .f_text p + p { margin-top:.8vw; }
.mairui-about .aboutbox-sec2 .cont .item .img { width:69.28%; overflow:hidden; border-radius:10px; }
.mairui-about .aboutbox-sec2 .cont .item .img::before { content:''; display:block; padding-top:56.70103093%; }
.mairui-about .aboutbox-sec2 .cont .item:nth-child(2n) { justify-content:flex-start; }
.mairui-about .aboutbox-sec2 .cont .item:nth-child(2n) .font { left:inherit; right:0; }

/* sec3 发展历程 */
.mairui-about .aboutbox-sec3 { padding:5.208vw 0 6.25vw; background:#fafafa; }
.mairui-about .aboutbox-sec3 .fz_title { color:#151824; font-weight:700; text-align:center; margin-bottom:2.604vw; }
.mairui-about .aboutbox-sec3 .cont { display:flex; flex-wrap:wrap; align-items:flex-start; }
.mairui-about .aboutbox-sec3 .cont .lt { width:26.58%; padding-right:1.563vw; }
.mairui-about .aboutbox3_nav { position:relative; }
.mairui-about .aboutbox3_nav::before { content:''; position:absolute; left:4px; top:18px; width:2px; height:calc(100% - 30px); background:#e1e1e1; }
.mairui-about .aboutbox3_nav .nav-tab { position:relative; cursor:pointer; }
.mairui-about .aboutbox3_nav .nav-tab .item { display:block; color:#b9b9b9; font-size:18px; font-weight:700; line-height:30px; padding:0 0 2.083vw 24px; transition:color .4s; }
.mairui-about .aboutbox3_nav .nav-tab::before { content:''; position:absolute; left:0; top:11px; width:6px; height:6px; border:2px solid #fafafa; background:#c1c1c1; border-radius:50%; transition:background .4s; z-index:1; }
.mairui-about .aboutbox3_nav .nav-tab:last-child .item { padding-bottom:0; }
.mairui-about .aboutbox3_nav .nav-tab.active .item { color:#e8340c; }
.mairui-about .aboutbox3_nav .nav-tab.active::before { background:#e8380d; }
.mairui-about .aboutbox-sec3 .cont .gt { width:73.42%; }
.mairui-about .aboutbox3_cont { background:#fff; box-shadow:0 4px 24px rgba(40,9,8,.06); border-radius:0 0 10px 10px; border-top:3px solid #e8340c; min-height:18vw; }
.mairui-about .aboutbox3_cont .pane { display:none; }
.mairui-about .aboutbox3_cont .pane.active { display:block; animation:aboutFade .45s ease; }
@keyframes aboutFade { from{opacity:0; transform:translateY(8px);} to{opacity:1; transform:translateY(0);} }
.mairui-about .aboutbox3_cont .item { padding:2.604vw 3.229vw 2.917vw; }
.mairui-about .aboutbox3_cont .item .font { font-weight:700; padding-bottom:1.563vw; border-bottom:1px solid #e5e5e5; margin-bottom:1.354vw; }
.mairui-about .aboutbox3_cont .item .font .f_name { color:#000; }
.mairui-about .aboutbox3_cont .item .font .f_tit { color:#000; font-weight:700; line-height:1.34; margin-top:.3vw; }
.mairui-about .aboutbox3_cont .item .f_text { color:#666; line-height:1.55; }
.mairui-about .aboutbox3_cont .item .f_text p { position:relative; margin-bottom:.7vw; padding-left:1.563vw; }
.mairui-about .aboutbox3_cont .item .f_text p:last-child { margin-bottom:0; }
.mairui-about .aboutbox3_cont .item .f_text p::before { content:''; position:absolute; left:0; top:.75em; width:5px; height:5px; border-radius:50%; transform:translateY(-50%); background:#e8380d; }

/* sec4 主要投资机构 */
.mairui-about .aboutbox-sec4 { padding:5.208vw 0 4.688vw; overflow:hidden; }
.mairui-about .aboutbox-sec4 .soinfobox_tit { margin-bottom:2.604vw; }
.mairui-about .aboutbox-sec4 .cont { display:flex; flex-wrap:wrap; margin:0 -.521vw; }
.mairui-about .aboutbox-sec4 .cont .item { width:20%; padding:0 .521vw; margin-bottom:1.042vw; }
.mairui-about .aboutbox-sec4 .cont .item .list { position:relative; background:#fff; box-shadow:0 4px 10px rgba(33,6,6,.06); border-radius:3px; display:flex; align-items:center; justify-content:center; transition:transform .4s, box-shadow .4s; }
.mairui-about .aboutbox-sec4 .cont .item .list::before { content:''; display:block; padding-top:37.87878788%; }
.mairui-about .aboutbox-sec4 .cont .item .list span { position:absolute; inset:0; display:flex; align-items:center; justify-content:center; text-align:center; padding:0 8px; color:#666; font-weight:600; font-size:.833vw; letter-spacing:.02em; }
.mairui-about .aboutbox-sec4 .cont .item .list:hover { transform:translateY(-4px); box-shadow:0 10px 22px rgba(232,56,13,.12); }

/* sec5 使命/愿景/Slogan */
.mairui-about .aboutbox-sec5 { position:relative; overflow:hidden; background:#0d1020; }
.mairui-about .aboutbox-sec5 .bag { position:absolute; inset:0; background:#000; }
.mairui-about .aboutbox-sec5 .bag img { width:100%; height:100%; object-fit:cover; opacity:.55; }
.mairui-about .aboutbox5_cont { position:relative; z-index:1; max-width:1920px; margin:0 auto; display:flex; }
.mairui-about .aboutbox5_cont .f_cell { width:33.333%; border-right:1px solid rgba(255,255,255,.1); }
.mairui-about .aboutbox5_cont .f_cell:last-child { border-right:none; }
.mairui-about .aboutbox5_cont .f_item { padding:4.688vw 2vw; display:flex; flex-direction:column; align-items:center; text-align:center; color:#fff; }
.mairui-about .aboutbox5_cont .f_item .f_icon { width:2vw; height:2vw; color:#ff8a5c; margin-bottom:1.8vw; }
.mairui-about .aboutbox5_cont .f_item .f_icon svg { width:100%; height:100%; }
.mairui-about .aboutbox5_cont .f_item .f_tit { font-weight:700; margin-bottom:1.4vw; }
.mairui-about .aboutbox5_cont .f_item .f_text { opacity:.75; line-height:1.55; max-width:22vw; }

/* sec6 客户墙（跑马灯） */
.mairui-about .aboutbox-sec6 { background:#fafafa; padding:4.2vw 0 3.4vw; }
.mairui-about .aboutbox-sec6 .f_font { margin-bottom:2.604vw; }
.mairui-about .aboutbox-sec6 .f_font .container2 { display:flex; justify-content:center; }
.mairui-about .client-wall { overflow:hidden; }
.mairui-about .client-track { overflow:hidden; margin-bottom:1.042vw; }
.mairui-about .client-track:last-child { margin-bottom:0; }
.mairui-about .client-run { display:flex; width:max-content; animation:aboutMarquee 46s linear infinite; }
.mairui-about .client-track.reverse .client-run { animation-direction:reverse; animation-duration:58s; }
.mairui-about .client-chip { flex:none; white-space:nowrap; margin:0 .521vw; padding:1.042vw 2.083vw; background:#fff; border-radius:6px; box-shadow:0 4px 10px rgba(33,6,6,.05); font-size:.833vw; font-weight:600; color:#555; }
@keyframes aboutMarquee { from{transform:translateX(0);} to{transform:translateX(-50%);} }

/* 迈锐动态 */
.mairui-about .about-news { padding:4.2vw 0 4.688vw; overflow:hidden; }
.mairui-about .about-news .soinfobox_tit { margin-bottom:2.708vw; }
.mairui-about .about-news-grid { display:flex; flex-wrap:wrap; margin:0 -.781vw; }
.mairui-about .about-news-grid .item { width:33.333%; padding:0 .781vw; margin-bottom:1.8vw; }
.mairui-about .about-news-grid .list { display:block; background:#fff; box-shadow:0 6px 20px rgba(72,127,181,.1); border-radius:6px; overflow:hidden; transition:transform .4s, box-shadow .4s; }
.mairui-about .about-news-grid .list:hover { transform:translateY(-5px); box-shadow:0 12px 28px rgba(232,56,13,.13); }
.mairui-about .about-news-grid .img::before { content:''; display:block; padding-top:58.29596413%; }
.mairui-about .about-news-grid .img.no-img { background:linear-gradient(135deg,#fff1ec,#ffe0d4); }
.mairui-about .about-news-grid .font { padding:1.771vw 2.083vw 2.083vw; position:relative; }
.mairui-about .about-news-grid .f_time { display:block; color:#999; font-size:.729vw; margin-bottom:.625vw; }
.mairui-about .about-news-grid .f_tit { font-weight:700; color:#282b37; line-height:1.4; height:2.8em; overflow:hidden; display:-webkit-box; -webkit-box-orient:vertical; -webkit-line-clamp:2; margin-bottom:1vw; }
.mairui-about .about-news-grid .f_but { display:inline-flex; align-items:center; color:#e8380d; font-size:.833vw; font-weight:600; }
.mairui-about .about-news-grid .f_but i { width:.833vw; margin-left:.417vw; display:inline-flex; }
.mairui-about .about-news-grid .f_but i svg { width:100%; height:auto; transition:transform .4s; }
.mairui-about .about-news-grid .list:hover .f_but i svg { transform:translateX(4px); }

/* ≥1921px 锁固定 px */
@media (min-width:1921px) {
  .mairui-about .font40 { font-size:40px; }
  .mairui-about .font34 { font-size:34px; }
  .mairui-about .font24 { font-size:24px; }
  .mairui-about .font22 { font-size:22px; }
  .mairui-about .soinfobox_nav { height:70px; }
  .mairui-about .about-subnav .item { margin:0 38px; font-size:16px; }
  .mairui-about .aboutbox-sec1 { padding:86px 0 70px; }
  .mairui-about .aboutbox-sec1 .cont { margin-bottom:70px; }
  .mairui-about .aboutbox-sec1 .cont .f_ming .f_name { margin-bottom:23px; }
  .mairui-about .aboutbox-sec2 { padding:72px 0 77px; }
  .mairui-about .aboutbox-sec2 .soinfobox_tit { margin-bottom:90px; max-width:446px; }
  .mairui-about .aboutbox-sec2 .cont .item { margin-bottom:80px; }
  .mairui-about .aboutbox-sec2 .cont .item .font { padding:74px 90px 74px 68px; }
  .mairui-about .aboutbox-sec2 .cont .item .font .f_tit { margin-bottom:23px; }
  .mairui-about .aboutbox-sec3 { padding:100px 0 120px; }
  .mairui-about .aboutbox-sec3 .fz_title { margin-bottom:50px; }
  .mairui-about .aboutbox-sec3 .cont .lt { padding-right:30px; }
  .mairui-about .aboutbox3_nav .nav-tab .item { font-size:18px; padding-bottom:40px; }
  .mairui-about .aboutbox3_cont { min-height:346px; }
  .mairui-about .aboutbox3_cont .item { padding:50px 62px 56px; }
  .mairui-about .aboutbox3_cont .item .font { padding-bottom:30px; margin-bottom:26px; }
  .mairui-about .aboutbox3_cont .item .f_text p { margin-bottom:12px; padding-left:30px; }
  .mairui-about .aboutbox-sec4 { padding:100px 0 90px; }
  .mairui-about .aboutbox-sec4 .soinfobox_tit { margin-bottom:50px; }
  .mairui-about .aboutbox-sec4 .cont { margin:0 -10px; }
  .mairui-about .aboutbox-sec4 .cont .item { padding:0 10px; margin-bottom:20px; }
  .mairui-about .aboutbox-sec4 .cont .item .list span { font-size:16px; }
  .mairui-about .aboutbox5_cont .f_item { padding:90px 38px; }
  .mairui-about .aboutbox5_cont .f_item .f_icon { width:38px; height:38px; margin-bottom:35px; }
  .mairui-about .aboutbox5_cont .f_item .f_tit { margin-bottom:27px; }
  .mairui-about .aboutbox5_cont .f_item .f_text { max-width:422px; }
  .mairui-about .aboutbox-sec6 { padding:80px 0 65px; }
  .mairui-about .aboutbox-sec6 .f_font { margin-bottom:50px; }
  .mairui-about .client-track { margin-bottom:20px; }
  .mairui-about .client-chip { margin:0 10px; padding:20px 40px; font-size:16px; }
  .mairui-about .about-news { padding:80px 0 90px; }
  .mairui-about .about-news .soinfobox_tit { margin-bottom:52px; }
  .mairui-about .about-news-grid { margin:0 -15px; }
  .mairui-about .about-news-grid .item { padding:0 15px; margin-bottom:35px; }
  .mairui-about .about-news-grid .font { padding:34px 40px 40px; }
  .mairui-about .about-news-grid .f_time { font-size:14px; margin-bottom:12px; }
  .mairui-about .about-news-grid .f_tit { margin-bottom:20px; }
  .mairui-about .about-news-grid .f_but { font-size:16px; }
  .mairui-about .about-news-grid .f_but i { width:16px; margin-left:8px; }
}

/* ≤991 平板：堆叠 */
@media (max-width:991px) {
  .mairui-about .font40 { font-size:30px; }
  .mairui-about .font34 { font-size:26px; }
  .mairui-about .font24 { font-size:19px; }
  .mairui-about .font22 { font-size:18px; }
  .mairui-about .populbanner .bag { padding-top:40%; }
  .mairui-about .soinfobox_nav { position:static; height:auto; }
  .mairui-about .soinfobox_nav .cont { height:auto; padding:10px 0; }
  .mairui-about .about-subnav { flex-wrap:nowrap; overflow-x:auto; justify-content:flex-start; -webkit-overflow-scrolling:touch; padding:0 16px; }
  .mairui-about .about-subnav .item { margin:0 18px; font-size:15px; }
  .mairui-about .aboutbox-sec1 { padding:40px 0 30px; }
  .mairui-about .aboutbox-sec1 .cont { display:block; margin-bottom:24px; }
  .mairui-about .aboutbox-sec1 .cont .font,
  .mairui-about .aboutbox-sec1 .cont .f_text { width:100%; }
  .mairui-about .aboutbox-sec1 .cont .f_text { margin-top:16px; }
  .mairui-about .aboutbox-sec1 .cont .f_ming .f_name { margin-bottom:12px; }
  .mairui-about .aboutbox-sec2 { padding:40px 0 10px; }
  .mairui-about .aboutbox-sec2 .soinfobox_tit { max-width:100%; text-align:center; margin-bottom:28px; }
  .mairui-about .aboutbox-sec2 .cont .item { display:block; position:static; margin-bottom:34px; }
  .mairui-about .aboutbox-sec2 .cont .item .font { position:static; transform:none; width:100%; padding:24px 20px; border-radius:10px 10px 0 0; order:1; }
  .mairui-about .aboutbox-sec2 .cont .item .img { width:100%; border-radius:0 0 10px 10px; }
  .mairui-about .aboutbox-sec2 .cont .item:nth-child(2n) .font { right:auto; }
  .mairui-about .aboutbox-sec3 { padding:44px 0 50px; }
  .mairui-about .aboutbox-sec3 .fz_title { margin-bottom:24px; }
  .mairui-about .aboutbox-sec3 .cont { display:block; }
  .mairui-about .aboutbox-sec3 .cont .lt,
  .mairui-about .aboutbox-sec3 .cont .gt { width:100%; padding-right:0; }
  .mairui-about .aboutbox3_nav::before { display:none; }
  .mairui-about .aboutbox3_nav { display:flex; overflow-x:auto; margin-bottom:18px; }
  .mairui-about .aboutbox3_nav .nav-tab { flex:none; margin-right:24px; }
  .mairui-about .aboutbox3_nav .nav-tab::before { display:none; }
  .mairui-about .aboutbox3_nav .nav-tab .item { padding:0 0 6px; font-size:16px; }
  .mairui-about .aboutbox3_cont { min-height:0; }
  .mairui-about .aboutbox3_cont .item { padding:24px 20px; }
  .mairui-about .aboutbox-sec4 { padding:44px 0 30px; }
  .mairui-about .aboutbox-sec4 .soinfobox_tit { margin-bottom:24px; }
  .mairui-about .aboutbox-sec4 .cont .item { width:33.333%; margin-bottom:12px; }
  .mairui-about .aboutbox-sec4 .cont .item .list span { font-size:13px; }
  .mairui-about .aboutbox5_cont { flex-direction:column; }
  .mairui-about .aboutbox5_cont .f_cell { width:100%; border-right:none; border-bottom:1px solid rgba(255,255,255,.1); }
  .mairui-about .aboutbox5_cont .f_cell:last-child { border-bottom:none; }
  .mairui-about .aboutbox5_cont .f_item { padding:36px 20px; }
  .mairui-about .aboutbox5_cont .f_item .f_icon { width:32px; height:32px; margin-bottom:16px; }
  .mairui-about .aboutbox5_cont .f_item .f_tit { margin-bottom:10px; }
  .mairui-about .aboutbox5_cont .f_item .f_text { max-width:90%; }
  .mairui-about .aboutbox-sec6 { padding:40px 0 30px; }
  .mairui-about .client-chip { font-size:13px; padding:12px 22px; }
  .mairui-about .about-news { padding:40px 0 30px; }
  .mairui-about .about-news .soinfobox_tit { margin-bottom:24px; }
  .mairui-about .about-news-grid .item { width:50%; margin-bottom:16px; }
  .mairui-about .about-news-grid .f_time { font-size:12px; }
}

/* ≤767 手机 */
@media (max-width:767px) {
  .mairui-about .populbanner .bag { padding-top:80%; }
  .mairui-about .aboutbox-sec1 .f_jt .img { padding-top:60%; }
  .mairui-about .aboutbox-sec4 .cont .item { width:50%; }
  .mairui-about .about-news-grid .item { width:100%; }
}