/*
Theme Name: 传斯米特工业仪表
Theme URI: https://chuansimite.com
Author: 传斯米特
Description: 传斯米特品牌工业仪表/传感器展示主题。参考主流工业 B2B 站点版式设计:顶部信息条 + 主导航 + 轮播 Banner + 产品中心 + 数据统计 + 行业应用 + 新闻中心 + 多栏页脚 + 浮动客服。适配产品自定义文章类型与产品分类层级。支持后台自定义 Logo、联系方式、横幅、备案号等。
Version: 1.0.0
Requires at least: 5.8
Tested up to: 7.1
Requires PHP: 7.4
License: GNU General Public License v2 or later
Text Domain: chuansimite
Tags: industrial, business, custom-menu, custom-logo, featured-images, translation-ready
*/

/* ============================================================
   1. 设计变量
   ============================================================ */
:root {
  --c-primary: #2e89ff;          /* 主蓝(参考站主色) */
  --c-primary-d: #1a6fe0;
  --c-primary-l: #eaf3ff;
  --c-accent: #ffd542;           /* 辅黄 */
  --c-dark: #1c2430;
  --c-dark-2: #2c3442;
  --c-text: #333;
  --c-text-2: #666;
  --c-text-3: #999;
  --c-border: #e6e9f0;
  --c-bg: #f5f7fb;
  --c-bg-2: #edf0f7;
  --c-white: #fff;
  --radius: 6px;
  --radius-lg: 10px;
  --shadow: 0 4px 18px rgba(28, 36, 48, .07);
  --shadow-h: 0 10px 30px rgba(46, 137, 255, .18);
  --wrap: 1240px;
  --font: "Microsoft YaHei", "PingFang SC", "Hiragino Sans GB", "Helvetica Neue", Arial, sans-serif;
}

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

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

body {
  margin: 0;
  font-family: var(--font);
  font-size: 14px;
  line-height: 1.75;
  color: var(--c-text);
  background: var(--c-white);
  overflow-x: hidden;
}

img { max-width: 100%; height: auto; border: 0; vertical-align: middle; }
a { color: inherit; text-decoration: none; transition: color .25s, background-color .25s, border-color .25s; }
a:hover { color: var(--c-primary); }
ul, ol { margin: 0; padding: 0; list-style: none; }
h1, h2, h3, h4, h5 { margin: 0; font-weight: 700; line-height: 1.4; color: var(--c-dark); }
p { margin: 0 0 12px; }
button, input, select, textarea { font-family: inherit; font-size: inherit; outline: none; }
table { border-collapse: collapse; width: 100%; }

.wrap { width: 100%; max-width: var(--wrap); margin: 0 auto; padding: 0 20px; }
.screen-reader-text { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(1px,1px,1px,1px); }

/* 主按钮 */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  height: 44px; padding: 0 26px;
  border: 0; border-radius: var(--radius);
  background: var(--c-primary); color: #fff;
  font-size: 15px; font-weight: 700; cursor: pointer;
  transition: all .25s;
}
.btn:hover { background: var(--c-primary-d); color: #fff; transform: translateY(-2px); box-shadow: var(--shadow-h); }
.btn--ghost { background: transparent; border: 1px solid rgba(255,255,255,.6); }
.btn--ghost:hover { background: #fff; color: var(--c-primary); border-color: #fff; }
.btn--yellow { background: var(--c-accent); color: var(--c-dark); }
.btn--yellow:hover { background: #ffc800; color: var(--c-dark); }
.btn--sm { height: 36px; padding: 0 18px; font-size: 13px; }
.btn--block { width: 100%; }

/* ============================================================
   3. 顶部信息条
   ============================================================ */
.topbar {
  background: var(--c-dark);
  color: rgba(255,255,255,.75);
  font-size: 13px;
  line-height: 38px;
}
.topbar__in { display: flex; align-items: center; justify-content: space-between; }
.topbar__left { display: flex; align-items: center; gap: 20px; }
.topbar__left i { color: var(--c-primary); margin-right: 6px; }
.topbar__nav { display: flex; align-items: center; gap: 18px; }
.topbar__nav a { color: rgba(255,255,255,.75); }
.topbar__nav a:hover { color: #fff; }
.topbar__tel { color: #fff; font-weight: 700; letter-spacing: .5px; }
.topbar__tel b { color: var(--c-accent); }

/* ============================================================
   4. 主导航
   ============================================================ */
.header { background: #fff; box-shadow: 0 2px 12px rgba(28,36,48,.06); position: relative; z-index: 60; }
.header__in { display: flex; align-items: center; gap: 28px; height: 88px; }

.logo { display: flex; align-items: center; gap: 12px; flex-shrink: 0; }
.logo img { max-height: 52px; width: auto; }
.logo__mark {
  width: 46px; height: 46px; flex: 0 0 46px;
  display: grid; place-items: center;
  border-radius: 10px;
  background: linear-gradient(135deg, var(--c-primary), #58a9ff);
  color: #fff; font-size: 22px; font-weight: 800; letter-spacing: -1px;
}
.logo__txt b { display: block; font-size: 23px; color: var(--c-dark); letter-spacing: 2px; line-height: 1.2; }
.logo__txt span { display: block; font-size: 11px; color: var(--c-text-3); letter-spacing: 2.4px; text-transform: uppercase; }

.nav { margin-left: auto; }
.nav__list { display: flex; align-items: center; }
.nav__list > li { position: relative; }
.nav__list > li > a {
  display: block; padding: 0 16px; height: 88px; line-height: 88px;
  font-size: 16px; font-weight: 600; color: var(--c-dark);
}
.nav__list > li > a::after {
  content: ""; position: absolute; left: 50%; bottom: 24px; transform: translateX(-50%) scaleX(0);
  width: 22px; height: 3px; border-radius: 3px; background: var(--c-primary);
  transition: transform .25s;
}
.nav__list > li:hover > a, .nav__list > li.current-menu-item > a, .nav__list > li.current-menu-parent > a { color: var(--c-primary); }
.nav__list > li:hover > a::after, .nav__list > li.current-menu-item > a::after { transform: translateX(-50%) scaleX(1); }

/* 下拉菜单 */
.nav__list .sub-menu {
  position: absolute; top: 100%; left: 0; min-width: 190px;
  background: #fff; border-radius: 0 0 var(--radius) var(--radius);
  box-shadow: 0 12px 30px rgba(28,36,48,.14);
  padding: 8px 0; opacity: 0; visibility: hidden; transform: translateY(8px);
  transition: all .25s; z-index: 70;
}
.nav__list li:hover > .sub-menu { opacity: 1; visibility: visible; transform: translateY(0); }
.nav__list .sub-menu li { position: relative; }
.nav__list .sub-menu a {
  display: block; padding: 9px 20px; font-size: 14px; color: var(--c-text-2); white-space: nowrap;
}
.nav__list .sub-menu a:hover { background: var(--c-primary-l); color: var(--c-primary); padding-left: 26px; }
.nav__list .sub-menu .sub-menu { top: -8px; left: 100%; border-radius: var(--radius); }

/* 右侧电话块 */
.header__tel { display: flex; align-items: center; gap: 10px; flex-shrink: 0; padding-left: 22px; border-left: 1px solid var(--c-border); }
.header__tel i { font-size: 26px; color: var(--c-primary); }
.header__tel span { display: block; font-size: 12px; color: var(--c-text-3); line-height: 1.3; }
.header__tel b { display: block; font-size: 19px; color: var(--c-primary); letter-spacing: .3px; }

/* 移动端按钮 */
.nav-toggle { display: none; width: 42px; height: 42px; border: 1px solid var(--c-border); border-radius: var(--radius); background: #fff; cursor: pointer; padding: 10px 9px; }
.nav-toggle span { display: block; height: 2px; background: var(--c-dark); margin: 4px 0; border-radius: 2px; transition: .3s; }

/* ============================================================
   5. 搜索行
   ============================================================ */
.searchbar { background: var(--c-bg); border-bottom: 1px solid var(--c-border); }
.searchbar__in { display: flex; align-items: center; gap: 20px; height: 52px; }
.searchbar__hot { display: flex; align-items: center; gap: 12px; font-size: 13px; color: var(--c-text-3); flex: 1; overflow: hidden; white-space: nowrap; }
.searchbar__hot b { color: var(--c-text-2); font-weight: 600; }
.searchbar__hot a { color: var(--c-text-3); }
.searchbar__hot a:hover { color: var(--c-primary); }
.search-form { display: flex; width: 320px; height: 36px; flex-shrink: 0; }
.search-form input[type="search"] { flex: 1; min-width: 0; padding: 0 14px; border: 1px solid var(--c-border); border-right: 0; border-radius: var(--radius) 0 0 var(--radius); background: #fff; }
.search-form button { width: 56px; border: 0; background: var(--c-primary); color: #fff; border-radius: 0 var(--radius) var(--radius) 0; cursor: pointer; }
.search-form button:hover { background: var(--c-primary-d); }

/* ============================================================
   6. 轮播 Banner
   ============================================================ */
.banner { position: relative; overflow: hidden; background: var(--c-dark); }
.banner__slides { position: relative; min-height: 460px; }
.banner__slide {
  position: absolute; inset: 0; display: flex; align-items: center;
  opacity: 0; visibility: hidden; transition: opacity .8s;
  background: linear-gradient(120deg, #10305e 0%, #1a4d8f 45%, #2e89ff 100%);
}
.banner__slide.is-active { opacity: 1; visibility: visible; position: relative; }
.banner__slide--img { background-size: cover; background-position: center right; }
.banner__mask { position: absolute; inset: 0; background: linear-gradient(90deg, rgba(10,26,48,.92) 0%, rgba(10,26,48,.72) 38%, rgba(10,26,48,.15) 100%); }
.banner__in { position: relative; z-index: 2; padding: 90px 0; max-width: 620px; }
.banner__tag { display: inline-block; padding: 4px 14px; margin-bottom: 18px; border-radius: 30px; background: rgba(255,255,255,.14); border: 1px solid rgba(255,255,255,.25); color: #fff; font-size: 13px; letter-spacing: 1px; }
.banner__title { font-size: 46px; color: #fff; line-height: 1.25; margin-bottom: 16px; letter-spacing: 1px; }
.banner__title em { font-style: normal; color: var(--c-accent); }
.banner__desc { font-size: 16px; color: rgba(255,255,255,.82); margin-bottom: 30px; line-height: 1.9; }
.banner__btns { display: flex; gap: 14px; flex-wrap: wrap; }
.banner__nav { position: absolute; z-index: 5; bottom: 26px; left: 50%; transform: translateX(-50%); display: flex; gap: 10px; }
.banner__dot { width: 34px; height: 4px; border: 0; padding: 0; border-radius: 4px; background: rgba(255,255,255,.35); cursor: pointer; transition: .3s; }
.banner__dot.is-active { background: var(--c-accent); width: 52px; }
.banner__arrow {
  position: absolute; z-index: 5; top: 50%; transform: translateY(-50%);
  width: 46px; height: 46px; border: 0; border-radius: 50%;
  background: rgba(255,255,255,.16); color: #fff; font-size: 20px; cursor: pointer;
  transition: .25s;
}
.banner__arrow:hover { background: var(--c-primary); }
.banner__arrow--prev { left: 26px; }
.banner__arrow--next { right: 26px; }

/* 首屏快捷入口 */
.quickbar { position: relative; z-index: 20; margin-top: -52px; }
.quickbar__grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px; background: #fff; border-radius: var(--radius-lg); box-shadow: var(--shadow); overflow: hidden; }
.quickbar__item { display: flex; align-items: center; gap: 14px; padding: 22px 24px; border-right: 1px solid var(--c-border); }
.quickbar__item:last-child { border-right: 0; }
.quickbar__item i { font-size: 30px; color: var(--c-primary); flex-shrink: 0; }
.quickbar__item b { display: block; font-size: 16px; color: var(--c-dark); }
.quickbar__item span { font-size: 12.5px; color: var(--c-text-3); }
.quickbar__item:hover { background: var(--c-primary-l); }
.quickbar__item:hover b { color: var(--c-primary); }

/* ============================================================
   7. 通用板块标题
   ============================================================ */
.section { padding: 72px 0; }
.section--gray { background: var(--c-bg); }
.section__head { text-align: center; margin-bottom: 46px; }
.section__head--left { text-align: left; margin-bottom: 28px; }
.section__en { font-size: 13px; letter-spacing: 3px; text-transform: uppercase; color: var(--c-primary); font-weight: 700; }
.section__title { font-size: 34px; margin: 6px 0 12px; letter-spacing: 1px; }
.section__title span { color: var(--c-primary); }
.section__desc { color: var(--c-text-2); max-width: 720px; margin: 0 auto; }
.section__head--left .section__desc { margin: 0; }
.section__line { width: 46px; height: 3px; background: var(--c-primary); margin: 14px auto 0; border-radius: 3px; }
.section__line--left { margin-left: 0; }

/* ============================================================
   8. 产品卡片与网格
   ============================================================ */
.pgrid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 22px; }
.pcard { background: #fff; border: 1px solid var(--c-border); border-radius: var(--radius-lg); overflow: hidden; display: flex; flex-direction: column; transition: all .3s; }
.pcard:hover { transform: translateY(-5px); box-shadow: var(--shadow-h); border-color: rgba(46,137,255,.4); }
.pcard__media { position: relative; display: block; aspect-ratio: 4 / 3; background: #fbfcfe; overflow: hidden; }
.pcard__media img { width: 100%; height: 100%; object-fit: contain; padding: 16px; transition: transform .4s; }
.pcard:hover .pcard__media img { transform: scale(1.08); }
.pcard__cat { position: absolute; top: 12px; left: 12px; padding: 3px 10px; border-radius: 20px; background: rgba(46,137,255,.1); color: var(--c-primary); font-size: 12px; }
.pcard__body { padding: 16px 18px 18px; flex: 1; display: flex; flex-direction: column; }
.pcard__title { font-size: 15.5px; line-height: 1.5; margin-bottom: 8px; height: 46px; overflow: hidden; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; }
.pcard:hover .pcard__title { color: var(--c-primary); }
.pcard__model { font-size: 12.5px; color: var(--c-text-3); margin-bottom: 8px; }
.pcard__model b { color: var(--c-primary); font-weight: 600; }
.pcard__desc { font-size: 13px; color: var(--c-text-2); line-height: 1.7; height: 44px; overflow: hidden; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; margin-bottom: 14px; }
.pcard__foot { margin-top: auto; display: flex; align-items: center; justify-content: space-between; padding-top: 12px; border-top: 1px dashed var(--c-border); }
.pcard__more { font-size: 13px; font-weight: 700; color: var(--c-primary); }
.pcard__ask { font-size: 12.5px; color: var(--c-text-3); }
.pcard__ask:hover { color: var(--c-primary); }

/* 产品列表(横向条目) */
.plist { display: grid; gap: 16px; }
.pitem { display: flex; gap: 22px; padding: 20px; background: #fff; border: 1px solid var(--c-border); border-radius: var(--radius-lg); transition: all .3s; }
.pitem:hover { box-shadow: var(--shadow-h); border-color: rgba(46,137,255,.4); }
.pitem__media { width: 180px; flex: 0 0 180px; aspect-ratio: 4/3; background: #fbfcfe; border-radius: var(--radius); overflow: hidden; display: grid; place-items: center; }
.pitem__media img { width: 100%; height: 100%; object-fit: contain; padding: 10px; }
.pitem__body { flex: 1; min-width: 0; }
.pitem__title { font-size: 17px; margin-bottom: 8px; }
.pitem:hover .pitem__title { color: var(--c-primary); }
.pitem__meta { display: flex; flex-wrap: wrap; gap: 8px 18px; font-size: 13px; color: var(--c-text-3); margin-bottom: 10px; }
.pitem__meta b { color: var(--c-primary); font-weight: 600; }
.pitem__desc { font-size: 13.5px; color: var(--c-text-2); margin-bottom: 12px; }

/* 侧栏 */
.layout { display: grid; grid-template-columns: 270px 1fr; gap: 34px; align-items: start; }
.layout--right { grid-template-columns: 1fr 300px; }
.sidebar { position: sticky; top: 20px; }
.widget { background: #fff; border: 1px solid var(--c-border); border-radius: var(--radius-lg); overflow: hidden; margin-bottom: 20px; }
.widget__head { padding: 15px 20px; background: var(--c-primary); color: #fff; font-size: 16px; font-weight: 700; display: flex; align-items: center; justify-content: space-between; }
.widget__head small { font-size: 11px; opacity: .8; letter-spacing: 1px; }
.widget__body { padding: 10px 0; }
.catlist a { display: flex; align-items: center; justify-content: space-between; padding: 11px 20px; font-size: 14px; color: var(--c-text-2); border-left: 3px solid transparent; }
.catlist a:hover, .catlist .is-active > a { background: var(--c-primary-l); border-left-color: var(--c-primary); color: var(--c-primary); font-weight: 600; }
.catlist .count { font-size: 12px; color: var(--c-text-3); }
.catlist .sub-menu { padding-left: 0; }
.catlist .sub-menu a { padding-left: 34px; font-size: 13.5px; }
.catlist .catlist__more { justify-content: flex-start; gap: 6px; color: var(--c-primary); font-weight: 600; font-size: 13.5px; border-top: 1px solid var(--c-border); }

/* 联系卡片 */
.contact-card { background: linear-gradient(150deg, #1a4d8f, var(--c-primary)); color: #fff; border-radius: var(--radius-lg); padding: 26px 24px; text-align: center; margin-bottom: 20px; }
.contact-card__label { font-size: 13px; opacity: .85; letter-spacing: 1px; }
.contact-card__tel { font-size: 25px; font-weight: 800; margin: 6px 0 4px; letter-spacing: .5px; color: #fff; }
.contact-card__tel a { color: #fff; }
.contact-card__note { font-size: 12.5px; opacity: .85; margin-bottom: 16px; }
.contact-card .btn { background: var(--c-accent); color: var(--c-dark); }
.contact-card .btn:hover { background: #ffc800; color: var(--c-dark); }

/* ============================================================
   9. 数据统计 / 关于我们
   ============================================================ */
.about { display: grid; grid-template-columns: 1fr 1fr; gap: 46px; align-items: center; }
.about__media { position: relative; border-radius: var(--radius-lg); overflow: hidden; box-shadow: var(--shadow); }
.about__badge {
  position: absolute; left: 0; bottom: 0; background: var(--c-primary); color: #fff;
  padding: 18px 26px; border-radius: 0 var(--radius-lg) 0 0;
}
.about__badge b { display: block; font-size: 30px; line-height: 1.1; }
.about__badge span { font-size: 12.5px; opacity: .9; }
.stats { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; margin: 26px 0 30px; }
.stats__item { background: #fff; border: 1px solid var(--c-border); border-radius: var(--radius-lg); padding: 20px 16px; text-align: center; }
.stats__item b { display: block; font-size: 32px; color: var(--c-primary); line-height: 1.2; }
.stats__item b i { font-size: 15px; font-style: normal; margin-left: 2px; }
.stats__item span { font-size: 13px; color: var(--c-text-2); }

/* 优势列表 */
.feats { display: grid; grid-template-columns: repeat(2, 1fr); gap: 14px 20px; }
.feats li { display: flex; gap: 10px; align-items: flex-start; font-size: 14px; color: var(--c-text-2); }
.feats li i { color: var(--c-primary); margin-top: 4px; }

/* ============================================================
   10. 行业应用
   ============================================================ */
.industry { display: grid; grid-template-columns: repeat(6, 1fr); gap: 14px; }
.industry a {
  display: block; text-align: center; padding: 22px 8px; background: #fff;
  border: 1px solid var(--c-border); border-radius: var(--radius-lg); font-size: 13.5px; color: var(--c-text-2);
  transition: all .25s;
}
.industry a i { display: block; font-size: 26px; color: var(--c-primary); margin-bottom: 8px; transition: .25s; }
.industry a:hover { background: var(--c-primary); border-color: var(--c-primary); color: #fff; transform: translateY(-4px); box-shadow: var(--shadow-h); }
.industry a:hover i { color: #fff; }

/* ============================================================
   11. 新闻中心
   ============================================================ */
.news { display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; }
.ncard { background: #fff; border: 1px solid var(--c-border); border-radius: var(--radius-lg); overflow: hidden; display: flex; flex-direction: column; transition: all .3s; }
.ncard:hover { transform: translateY(-5px); box-shadow: var(--shadow-h); }
.ncard__media { aspect-ratio: 16/9; background: var(--c-bg-2); overflow: hidden; }
.ncard__media img { width: 100%; height: 100%; object-fit: cover; transition: transform .4s; }
.ncard:hover .ncard__media img { transform: scale(1.06); }
.ncard__body { padding: 18px; flex: 1; display: flex; flex-direction: column; }
.ncard__date { font-size: 12.5px; color: var(--c-primary); font-weight: 600; margin-bottom: 8px; }
.ncard__title { font-size: 16px; line-height: 1.55; margin-bottom: 10px; height: 50px; overflow: hidden; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; }
.ncard:hover .ncard__title { color: var(--c-primary); }
.ncard__excerpt { font-size: 13px; color: var(--c-text-2); height: 44px; overflow: hidden; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; margin-bottom: 14px; }
.ncard__more { margin-top: auto; font-size: 13px; font-weight: 700; color: var(--c-primary); }

/* 新闻列表(带日期块) */
.nlist li { display: flex; gap: 20px; padding: 20px; background: #fff; border: 1px solid var(--c-border); border-radius: var(--radius-lg); margin-bottom: 16px; transition: all .3s; }
.nlist li:hover { box-shadow: var(--shadow-h); border-color: rgba(46,137,255,.4); }
.nlist__date { flex: 0 0 84px; text-align: center; border-right: 1px solid var(--c-border); padding-right: 18px; }
.nlist__date b { display: block; font-size: 26px; color: var(--c-primary); line-height: 1.2; }
.nlist__date span { font-size: 12.5px; color: var(--c-text-3); }
.nlist__title { font-size: 16px; margin-bottom: 8px; }
.nlist li:hover .nlist__title { color: var(--c-primary); }
.nlist__excerpt { font-size: 13px; color: var(--c-text-2); margin: 0; }

/* ============================================================
   12. 页脚
   ============================================================ */
.footer { background: var(--c-dark); color: rgba(255,255,255,.68); padding: 56px 0 0; font-size: 13.5px; }
.footer__grid { display: grid; grid-template-columns: 1.3fr 1fr 1fr 1.2fr; gap: 40px; padding-bottom: 40px; }
.footer h4 { color: #fff; font-size: 16px; margin-bottom: 18px; }
.footer a:hover { color: var(--c-accent); }
.footer__links li { margin-bottom: 10px; }
.footer__links a { color: rgba(255,255,255,.68); }
.footer__brand { display: flex; align-items: center; gap: 12px; margin-bottom: 18px; }
.footer__brand b { color: #fff; font-size: 20px; letter-spacing: 2px; }
.footer__contact li { display: flex; gap: 10px; margin-bottom: 12px; line-height: 1.7; }
.footer__contact i { color: var(--c-primary); margin-top: 4px; flex-shrink: 0; }
.footer__qr { text-align: center; }
.footer__qr img { width: 120px; height: 120px; object-fit: contain; background: #fff; padding: 6px; border-radius: var(--radius); }
.footer__qr span { display: block; margin-top: 8px; font-size: 12.5px; }
.footer__bottom { border-top: 1px solid rgba(255,255,255,.1); padding: 18px 0; display: flex; align-items: center; justify-content: space-between; flex-wrap: wrap; gap: 10px; font-size: 12.5px; color: rgba(255,255,255,.5); }
.footer__bottom a { color: rgba(255,255,255,.5); }
.footer__bottom a:hover { color: var(--c-accent); }

/* ============================================================
   13. 浮动工具条
   ============================================================ */
.floatbar { position: fixed; right: 16px; bottom: 90px; z-index: 80; display: flex; flex-direction: column; gap: 8px; }
.floatbar a, .floatbar button {
  width: 52px; height: 52px; display: grid; place-items: center; gap: 2px;
  background: #fff; border: 1px solid var(--c-border); border-radius: var(--radius-lg);
  color: var(--c-text-2); cursor: pointer; box-shadow: var(--shadow); transition: all .25s;
  font-size: 11px; line-height: 1.2; text-align: center; padding: 6px;
}
.floatbar i { font-size: 19px; color: var(--c-primary); }
.floatbar a:hover, .floatbar button:hover { background: var(--c-primary); color: #fff; }
.floatbar a:hover i, .floatbar button:hover i { color: #fff; }

/* ============================================================
   14. 页面头部 / 面包屑
   ============================================================ */
.pagehead { background: linear-gradient(120deg, #10305e, #1a4d8f 55%, #2e89ff); color: #fff; padding: 62px 0; position: relative; overflow: hidden; }
.pagehead::after { content: ""; position: absolute; right: -60px; top: -60px; width: 300px; height: 300px; border-radius: 50%; background: rgba(255,255,255,.06); }
.pagehead__title { color: #fff; font-size: 34px; margin-bottom: 8px; letter-spacing: 1px; }
.pagehead__sub { color: rgba(255,255,255,.75); font-size: 13px; letter-spacing: 2.5px; text-transform: uppercase; }
.crumb { margin-top: 14px; font-size: 13px; color: rgba(255,255,255,.75); }
.crumb a { color: rgba(255,255,255,.75); }
.crumb a:hover { color: #fff; }
.crumb span { margin: 0 8px; opacity: .5; }

/* ============================================================
   15. 产品详情
   ============================================================ */
.detail { display: grid; grid-template-columns: 1fr 1fr; gap: 42px; align-items: start; }
.detail__gallery { background: #fff; border: 1px solid var(--c-border); border-radius: var(--radius-lg); padding: 20px; }
.detail__main { aspect-ratio: 4/3; display: grid; place-items: center; background: #fbfcfe; border-radius: var(--radius); overflow: hidden; }
.detail__main img { width: 100%; height: 100%; object-fit: contain; padding: 12px; }
.detail__thumbs { display: flex; gap: 10px; margin-top: 14px; flex-wrap: wrap; }
.detail__thumbs button { width: 74px; height: 58px; padding: 4px; background: #fff; border: 1px solid var(--c-border); border-radius: var(--radius); cursor: pointer; overflow: hidden; }
.detail__thumbs button.is-active { border-color: var(--c-primary); }
.detail__thumbs img { width: 100%; height: 100%; object-fit: contain; }
.detail__title { font-size: 27px; line-height: 1.4; margin-bottom: 14px; }
.detail__summary { color: var(--c-text-2); padding-bottom: 18px; margin-bottom: 18px; border-bottom: 1px dashed var(--c-border); }
.detail__attrs { display: grid; gap: 10px; margin-bottom: 22px; }
.detail__attrs li { display: flex; font-size: 14px; }
.detail__attrs li b { flex: 0 0 92px; color: var(--c-text-3); font-weight: 400; }
.detail__attrs li span { color: var(--c-text); }
.detail__actions { display: flex; gap: 12px; flex-wrap: wrap; }
.detail__note { margin-top: 16px; font-size: 12.5px; color: var(--c-text-3); }

/* 选项卡 */
.tabs { margin-top: 52px; }
.tabs__nav { display: flex; gap: 4px; border-bottom: 2px solid var(--c-border); flex-wrap: wrap; }
.tabs__nav button {
  padding: 13px 30px; border: 0; background: transparent; color: var(--c-text-2);
  font-size: 16px; font-weight: 600; cursor: pointer; position: relative; border-radius: var(--radius) var(--radius) 0 0;
}
.tabs__nav button.is-active { color: var(--c-primary); background: var(--c-primary-l); }
.tabs__nav button.is-active::after { content: ""; position: absolute; left: 0; right: 0; bottom: -2px; height: 2px; background: var(--c-primary); }
.tabs__panel { display: none; padding: 30px 0; }
.tabs__panel.is-active { display: block; animation: fadeIn .35s; }
@keyframes fadeIn { from { opacity: 0; transform: translateY(6px); } to { opacity: 1; transform: none; } }

/* 正文内容排版(产品描述/文章) */
.entry { font-size: 15px; line-height: 1.95; color: var(--c-text); }
.entry h2, .entry h3, .entry h4 { margin: 22px 0 12px; }
.entry h2 { font-size: 21px; }
.entry h3 { font-size: 18px; }
.entry p { margin-bottom: 14px; }
.entry ul { list-style: none; margin-bottom: 14px; }
.entry ul li { position: relative; padding-left: 18px; margin-bottom: 8px; }
.entry ul li::before { content: ""; position: absolute; left: 0; top: 11px; width: 6px; height: 6px; border-radius: 50%; background: var(--c-primary); }
.entry ol { list-style: decimal; padding-left: 22px; margin-bottom: 14px; }
.entry img { border-radius: var(--radius); margin: 12px 0; }
.entry table { margin: 18px 0; font-size: 14px; border: 1px solid var(--c-border); }
.entry table th, .entry table td { padding: 10px 14px; border: 1px solid var(--c-border); }
.entry table th { background: var(--c-bg-2); font-weight: 700; color: var(--c-dark); }
.entry table tr:nth-child(even) td { background: #fafbfd; }
/* 技术参数表(来源:产品参数表,首列为参数名) */
.spec-table { width: 100%; border-collapse: collapse; margin: 0 0 20px; font-size: 14px; border: 1px solid var(--c-border); }
.spec-table td { padding: 11px 16px; border: 1px solid var(--c-border); line-height: 1.75; vertical-align: top; color: var(--c-text); }
.spec-table tr td:first-child { width: 132px; background: var(--c-bg-2); font-weight: 700; color: var(--c-dark); white-space: nowrap; }
.spec-table tr:nth-child(even) td { background: #fafbfd; }
.spec-table tr:nth-child(even) td:first-child { background: #f1f5fb; }
.spec-table + .spec-table { margin-top: -8px; }
.specs__note { margin-top: 18px; padding: 12px 16px; background: var(--c-primary-l); border-radius: var(--radius); font-size: 13px; color: var(--c-text-2); }
.entry blockquote { margin: 16px 0; padding: 14px 20px; background: var(--c-primary-l); border-left: 4px solid var(--c-primary); border-radius: 0 var(--radius) var(--radius) 0; color: var(--c-text-2); }

/* ============================================================
   16. 表单 / 询价
   ============================================================ */
.form { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.form__row { display: flex; flex-direction: column; gap: 7px; }
.form__row--full { grid-column: 1 / -1; }
.form label { font-size: 13.5px; color: var(--c-text-2); }
.form label i { color: #e04b4b; font-style: normal; }
.form input, .form select, .form textarea {
  width: 100%; padding: 11px 14px; border: 1px solid var(--c-border); border-radius: var(--radius);
  background: #fff; color: var(--c-text); transition: border-color .2s;
}
.form input:focus, .form select:focus, .form textarea:focus { border-color: var(--c-primary); }
.form textarea { min-height: 120px; resize: vertical; }
.form__tips { font-size: 12.5px; color: var(--c-text-3); }
.form__msg { grid-column: 1 / -1; padding: 12px 16px; border-radius: var(--radius); font-size: 14px; display: none; }
.form__msg.is-ok { display: block; background: #eefaf0; border: 1px solid #b8e6c1; color: #207a37; }
.form__msg.is-err { display: block; background: #fdeeee; border: 1px solid #f0bfbf; color: #b02a2a; }

/* 联系方式卡片组 */
.contacts { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
.contacts__item { background: #fff; border: 1px solid var(--c-border); border-radius: var(--radius-lg); padding: 26px 22px; text-align: center; }
.contacts__item i { font-size: 30px; color: var(--c-primary); }
.contacts__item b { display: block; font-size: 16px; margin: 10px 0 6px; }
.contacts__item p { font-size: 13.5px; color: var(--c-text-2); margin: 0; }

/* 地图 */
.map { margin-top: 30px; border-radius: var(--radius-lg); overflow: hidden; border: 1px solid var(--c-border); background: var(--c-bg-2); min-height: 260px; display: grid; place-items: center; color: var(--c-text-3); font-size: 13.5px; }

/* ============================================================
   17. 分页 / 空状态
   ============================================================ */
.pager { display: flex; justify-content: center; gap: 8px; margin-top: 46px; flex-wrap: wrap; }
.pager .page-numbers {
  display: inline-grid; place-items: center; min-width: 40px; height: 40px; padding: 0 12px;
  background: #fff; border: 1px solid var(--c-border); border-radius: var(--radius);
  font-weight: 600; color: var(--c-text-2);
}
.pager .page-numbers:hover { border-color: var(--c-primary); color: var(--c-primary); }
.pager .page-numbers.current { background: var(--c-primary); border-color: var(--c-primary); color: #fff; }
.empty { padding: 70px 20px; text-align: center; color: var(--c-text-3); background: #fff; border: 1px dashed var(--c-border); border-radius: var(--radius-lg); }

/* 返回顶部 */
.to-top {
  position: fixed; right: 16px; bottom: 24px; z-index: 80;
  width: 52px; height: 44px; border: 1px solid var(--c-border); border-radius: var(--radius-lg);
  background: #fff; color: var(--c-text-2); cursor: pointer; box-shadow: var(--shadow);
  opacity: 0; visibility: hidden; transition: all .3s;
}
.to-top.is-show { opacity: 1; visibility: visible; }
.to-top:hover { background: var(--c-primary); color: #fff; border-color: var(--c-primary); }

/* ============================================================
   19. SVG 图标适配(图标以内联 SVG 输出,零外部依赖)
   ============================================================ */
.csm-i { width: 1em; height: 1em; vertical-align: -0.15em; fill: currentColor; flex-shrink: 0; }

.topbar__left .csm-i { color: var(--c-primary); margin-right: 6px; font-size: 15px; }
.topbar__left .topbar__mail .csm-i { margin-left: 4px; }
.header__tel .csm-i { font-size: 28px; color: var(--c-primary); }
.search-form button .csm-i { font-size: 18px; color: #fff; }
.quickbar__item .csm-i { font-size: 30px; color: var(--c-primary); }
.quickbar__item:hover .csm-i { color: var(--c-primary-d); }
.feats li .csm-i { color: var(--c-primary); margin-top: 5px; font-size: 14px; }
.industry a .csm-i { display: block; font-size: 26px; color: var(--c-primary); margin: 0 auto 8px; transition: .25s; }
.industry a:hover .csm-i { color: #fff; }
.contacts__item .csm-i { font-size: 30px; color: var(--c-primary); }
.footer__contact .csm-i { color: var(--c-primary); margin-top: 5px; font-size: 14px; }
.floatbar a .csm-i, .floatbar button .csm-i { font-size: 19px; color: var(--c-primary); }
.floatbar a:hover .csm-i, .floatbar button:hover .csm-i { color: #fff; }
.pcard__ask .csm-i { font-size: 13px; margin-right: 3px; }
.detail__attrs .csm-i { color: var(--c-primary); }

/* ============================================================
   20. 响应式
   ============================================================ */
@media (max-width: 1200px) {
  .pgrid { grid-template-columns: repeat(3, 1fr); }
  .industry { grid-template-columns: repeat(4, 1fr); }
  .nav__list > li > a { padding: 0 12px; font-size: 15px; }
}

@media (max-width: 992px) {
  .header__in { height: 70px; gap: 14px; }
  .nav__list > li > a { height: 70px; line-height: 70px; }
  .header__tel { display: none; }
  .nav-toggle { display: block; margin-left: auto; }
  .nav {
    position: fixed; inset: 0 0 0 auto; width: 300px; max-width: 84vw;
    background: #fff; padding: 24px 0; box-shadow: -10px 0 40px rgba(0,0,0,.16);
    transform: translateX(100%); transition: transform .3s; overflow-y: auto; z-index: 200; margin-left: 0;
  }
  .nav.is-open { transform: none; }
  .nav__list { display: block; }
  .nav__list > li > a { height: auto; line-height: 1.6; padding: 13px 24px; border-bottom: 1px solid var(--c-border); }
  .nav__list > li > a::after { display: none; }
  .nav__list .sub-menu {
    position: static; opacity: 1; visibility: visible; transform: none; box-shadow: none;
    padding: 0; background: var(--c-bg); border-radius: 0; display: none;
  }
  .nav__list li.is-open > .sub-menu { display: block; }
  .nav__list .sub-menu a { padding: 10px 34px; }
  .nav-mask { position: fixed; inset: 0; background: rgba(0,0,0,.45); z-index: 190; opacity: 0; visibility: hidden; transition: .3s; }
  .nav-mask.is-show { opacity: 1; visibility: visible; }

  .banner__slides { min-height: 380px; }
  .banner__title { font-size: 32px; }
  .banner__in { padding: 60px 0; }
  .quickbar { margin-top: -30px; }
  .quickbar__grid { grid-template-columns: repeat(2, 1fr); }
  .quickbar__item:nth-child(2n) { border-right: 0; }
  .quickbar__item:nth-child(-n+2) { border-bottom: 1px solid var(--c-border); }
  .layout, .layout--right { grid-template-columns: 1fr; }
  .sidebar { position: static; }
  .about, .detail { grid-template-columns: 1fr; gap: 30px; }
  .news, .contacts { grid-template-columns: repeat(2, 1fr); }
  .pgrid { grid-template-columns: repeat(2, 1fr); }
  .searchbar__hot { display: none; }
  .search-form { width: 100%; }
  .footer__grid { grid-template-columns: 1fr 1fr; gap: 30px; }
}

@media (max-width: 640px) {
  .section { padding: 48px 0; }
  .section__title { font-size: 24px; }
  .banner__slides { min-height: 330px; }
  .banner__title { font-size: 25px; }
  .banner__desc { font-size: 14px; }
  .banner__arrow { display: none; }
  .quickbar__grid, .industry, .news, .contacts, .pgrid, .stats, .feats { grid-template-columns: 1fr 1fr; }
  .feats { grid-template-columns: 1fr; }
  .footer__grid { grid-template-columns: 1fr; }
  .form { grid-template-columns: 1fr; }
  .pitem { flex-direction: column; gap: 14px; }
  .pitem__media { width: 100%; flex: none; }
  .tabs__nav button { padding: 11px 18px; font-size: 14.5px; }
  .floatbar { display: none; }
  .footer__bottom { flex-direction: column; text-align: center; }
}

@media (max-width: 420px) {
  .quickbar__grid, .industry, .news, .contacts, .pgrid, .stats { grid-template-columns: 1fr; }
  .quickbar__item { border-right: 0; border-bottom: 1px solid var(--c-border); }
}