/*
Theme Name: 企业demo
Theme URI: https://demo.e23.tv
Author: deepseek与yz
Author URI: https://demo.e23.tv
Description: 面向电子元器件 / 光电产品企业的官网主题。含首页、产品中心（自定义文章类型 + 分类筛选）、产品详情（参数规格表 + 询盘表单）、新闻资讯（分类筛选）、关于我们、联系我们。纯自研，零插件依赖，全站响应式并内置基础 SEO 输出。
Version: 1.0.0
Requires at least: 6.0
Tested up to: 7.1
Requires PHP: 7.4
License: GPL-2.0-or-later
License URI: https://www.gnu.org/licenses/gpl-2.0.html
Text Domain: lixiang
Tags: business, custom-menu, featured-images, translation-ready, two-columns
*/

/* ==========================================================================
   1. 设计令牌
   ========================================================================== */
:root {
  --c-primary: #0B5FA5;
  --c-primary-dark: #084a82;
  --c-primary-light: #E8F1F9;
  --c-accent: #E67E22;
  --c-ink: #1F2933;
  --c-ink-2: #52606D;
  --c-ink-3: #8A94A0;
  --c-line: #E3E8EE;
  --c-bg: #FFFFFF;
  --c-bg-soft: #F5F7FA;
  --radius: 8px;
  --radius-lg: 14px;
  --shadow: 0 2px 10px rgba(16, 32, 56, .06);
  --shadow-lg: 0 12px 32px -12px rgba(16, 32, 56, .22);
  --maxw: 1180px;
}

/* ==========================================================================
   2. 基础
   ========================================================================== */
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  font-family: "PingFang SC", "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;
  font-size: 15px;
  line-height: 1.7;
  color: var(--c-ink);
  background: var(--c-bg);
  -webkit-font-smoothing: antialiased;
  overflow-wrap: break-word;
}
img { max-width: 100%; height: auto; display: block; }
a { color: inherit; text-decoration: none; }
button { font-family: inherit; }
h1, h2, h3, h4, h5, h6 { margin: 0 0 .5em; line-height: 1.4; }
p { margin: 0 0 1em; }

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

/* 无障碍 */
.screen-reader-text {
  position: absolute !important; width: 1px; height: 1px; padding: 0; margin: -1px;
  overflow: hidden; clip: rect(0,0,0,0); white-space: nowrap; border: 0;
}
.skip-link {
  position: absolute; left: -9999px; top: 0; z-index: 999;
  background: var(--c-primary); color: #fff; padding: 10px 18px; border-radius: 0 0 8px 0;
}
.skip-link:focus { left: 0; }
:focus-visible { outline: 2px solid var(--c-primary); outline-offset: 2px; }

/* WordPress 对齐类 */
.alignleft { float: left; margin: 0 1.5em 1em 0; }
.alignright { float: right; margin: 0 0 1em 1.5em; }
.aligncenter { display: block; margin: 1em auto; }
.alignwide, .alignfull { width: 100%; }
.wp-caption { max-width: 100%; }
.wp-caption-text { font-size: 13px; color: var(--c-ink-3); margin-top: .4em; }

/* ==========================================================================
   3. 顶部信息条
   ========================================================================== */
.topbar { background: var(--c-ink); color: #C9D2DC; font-size: 13px; }
.topbar .wrap {
  display: flex; justify-content: space-between; align-items: center;
  height: 38px; gap: 16px;
}
.topbar .tb-right { display: flex; gap: 18px; }
.topbar b { color: #fff; font-weight: 600; }

/* ==========================================================================
   4. 导航
   ========================================================================== */
.nav {
  background: #fff; border-bottom: 1px solid var(--c-line);
  position: sticky; top: 0; z-index: 50;
}
.nav .wrap {
  display: flex; align-items: center; justify-content: space-between;
  height: 74px; gap: 20px;
}
.logo { display: flex; align-items: center; gap: 10px; flex: none; }
.logo .mark {
  width: 38px; height: 38px; border-radius: 9px; flex: none;
  background: linear-gradient(135deg, var(--c-primary), #1B84D8);
  color: #fff; font-weight: 800; font-size: 17px;
  display: flex; align-items: center; justify-content: center; letter-spacing: .5px;
}
.logo .txt b { display: block; font-size: 17px; letter-spacing: .5px; }
.logo .txt span { font-size: 11px; color: var(--c-ink-3); letter-spacing: 1.5px; }

.menu {
  display: flex; align-items: center; gap: 4px;
  list-style: none; margin: 0; padding: 0;
}
.menu > li { position: relative; }
.menu > li > a {
  display: block; padding: 8px 15px; border-radius: 6px;
  font-size: 15px; color: var(--c-ink-2); transition: .18s;
}
.menu > li > a:hover { background: var(--c-primary-light); color: var(--c-primary); }
.menu > li.current-menu-item > a,
.menu > li.current-menu-parent > a,
.menu > li.current-menu-ancestor > a,
.menu > li.current_page_item > a {
  color: var(--c-primary); font-weight: 600; background: var(--c-primary-light);
}
/* 下拉子菜单 */
.menu .sub-menu {
  position: absolute; left: 0; top: 100%; min-width: 190px;
  list-style: none; margin: 0; padding: 8px;
  background: #fff; border: 1px solid var(--c-line); border-radius: 10px;
  box-shadow: var(--shadow-lg); display: none; z-index: 60;
}
.menu > li:hover > .sub-menu { display: block; }
.menu .sub-menu a { display: block; padding: 8px 12px; border-radius: 6px; font-size: 14px; color: var(--c-ink-2); }
.menu .sub-menu a:hover { background: var(--c-primary-light); color: var(--c-primary); }

.nav .btn-quote { margin-left: 12px; flex: none; }
.burger {
  display: none; width: 42px; height: 42px; border: 1px solid var(--c-line);
  border-radius: 8px; background: #fff; cursor: pointer;
  flex-direction: column; align-items: center; justify-content: center; gap: 5px;
}
.burger i { display: block; width: 20px; height: 2px; background: var(--c-ink); border-radius: 2px; }

/* ==========================================================================
   5. 按钮
   ========================================================================== */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  padding: 11px 24px; border-radius: var(--radius); font-size: 15px;
  border: 1px solid transparent; cursor: pointer; transition: .18s;
  white-space: nowrap; line-height: 1.4;
}
.btn-primary { background: var(--c-primary); color: #fff; }
.btn-primary:hover { background: var(--c-primary-dark); }
.btn-accent { background: var(--c-accent); color: #fff; }
.btn-accent:hover { background: #cf6d17; }
.btn-ghost { border-color: rgba(255,255,255,.55); color: #fff; background: transparent; }
.btn-ghost:hover { background: rgba(255,255,255,.14); }
.btn-line { border-color: var(--c-primary); color: var(--c-primary); background: transparent; }
.btn-line:hover { background: var(--c-primary-light); }
.btn-lg { padding: 14px 32px; font-size: 16px; }

/* ==========================================================================
   6. Hero
   ========================================================================== */
.hero {
  position: relative; color: #fff; overflow: hidden;
  background: linear-gradient(120deg, #06375F 0%, #0B5FA5 55%, #1B84D8 100%);
}
.hero::after {
  content: ""; position: absolute; right: -120px; top: -80px;
  width: 460px; height: 460px; border-radius: 50%;
  background: radial-gradient(circle, rgba(255,255,255,.14), transparent 68%);
}
.hero .wrap {
  position: relative; z-index: 2;
  display: grid; grid-template-columns: 1.15fr .85fr; gap: 46px; align-items: center;
  padding-top: 74px; padding-bottom: 78px;
}
.hero .eyebrow {
  display: inline-block; font-size: 13px; letter-spacing: 2px;
  border: 1px solid rgba(255,255,255,.4); border-radius: 20px;
  padding: 4px 14px; margin-bottom: 20px; color: #DCEAF7;
}
.hero h1 { font-size: 40px; line-height: 1.32; letter-spacing: .5px; margin-bottom: 18px; }
.hero h1 em { font-style: normal; color: #FFCF8B; }
.hero p.lead { font-size: 16px; color: #C9DCF0; max-width: 560px; margin-bottom: 30px; }
.hero .actions { display: flex; gap: 14px; flex-wrap: wrap; }

.hero-card {
  background: rgba(255,255,255,.10); border: 1px solid rgba(255,255,255,.22);
  border-radius: var(--radius-lg); padding: 24px;
}
.hero-card h3 { font-size: 15px; color: #fff; margin-bottom: 16px; letter-spacing: .5px; }
.hero-stats { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }
.hero-stats .st { background: rgba(255,255,255,.09); border-radius: 10px; padding: 14px 16px; }
.hero-stats .st b { display: block; font-size: 24px; color: #FFCF8B; line-height: 1.2; }
.hero-stats .st span { font-size: 12.5px; color: #C9DCF0; }

/* 内页头图 */
.page-hero {
  background: linear-gradient(120deg, #06375F, #0B5FA5); color: #fff;
  padding: 46px 0 42px;
}
.page-hero h1 { font-size: 30px; margin-bottom: 8px; }
.page-hero p { color: #C9DCF0; margin: 0; font-size: 15px; }
.page-hero .kicker {
  display: inline-block; font-size: 12.5px; letter-spacing: 2px;
  background: rgba(255,255,255,.14); border-radius: 20px;
  padding: 4px 14px; margin-bottom: 14px; color: #DCEAF7;
}

/* ==========================================================================
   7. 区块
   ========================================================================== */
.sec { padding: 74px 0; }
.sec-soft { background: var(--c-bg-soft); }
.sec-head { text-align: center; max-width: 720px; margin: 0 auto 44px; }
.sec-head .kicker {
  display: inline-block; font-size: 13px; letter-spacing: 2px; color: var(--c-primary);
  background: var(--c-primary-light); padding: 4px 14px; border-radius: 20px; margin-bottom: 14px;
}
.sec-head h2 { font-size: 29px; letter-spacing: .5px; margin-bottom: 12px; }
.sec-head p { color: var(--c-ink-2); font-size: 15px; margin: 0; }

/* 面包屑 */
.crumb { font-size: 13.5px; color: var(--c-ink-3); padding: 18px 0; }
.crumb a:hover { color: var(--c-primary); }
.crumb span { margin: 0 7px; }

/* ==========================================================================
   8. 卡片网格
   ========================================================================== */
.cat-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 18px; }
.cat {
  display: block; background: #fff; border: 1px solid var(--c-line);
  border-radius: var(--radius-lg); padding: 24px 20px; transition: .2s;
  position: relative; overflow: hidden;
}
.cat:hover { transform: translateY(-4px); box-shadow: var(--shadow-lg); border-color: #CFE0F0; }
.cat .ico {
  width: 46px; height: 46px; border-radius: 12px; margin-bottom: 14px;
  background: var(--c-primary-light); color: var(--c-primary);
  display: flex; align-items: center; justify-content: center;
}
.cat .ico svg { width: 24px; height: 24px; }
.cat h3 { font-size: 16.5px; margin-bottom: 6px; }
.cat p { font-size: 13.5px; color: var(--c-ink-2); margin-bottom: 12px; }
.cat .go { font-size: 13px; color: var(--c-primary); font-weight: 600; }
.cat .count { position: absolute; right: 18px; top: 20px; font-size: 12px; color: var(--c-ink-3); }

.adv-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
.adv { background: #fff; border: 1px solid var(--c-line); border-radius: var(--radius-lg); padding: 26px 24px; }
.adv .num { font-size: 13px; font-weight: 800; color: var(--c-primary); letter-spacing: 1px; margin-bottom: 10px; }
.adv h3 { font-size: 17px; margin-bottom: 8px; }
.adv p { font-size: 14px; color: var(--c-ink-2); margin: 0; }

.app-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; }

/* ==========================================================================
   9. 筛选条
   ========================================================================== */
.filter-bar { display: flex; flex-wrap: wrap; gap: 10px; margin-bottom: 26px; }
.chip {
  display: inline-block; padding: 7px 16px; border-radius: 20px; font-size: 14px; cursor: pointer;
  border: 1px solid var(--c-line); background: #fff; color: var(--c-ink-2);
  transition: .16s; line-height: 1.5;
}
.chip:hover { border-color: var(--c-primary); color: var(--c-primary); }
.chip.active { background: var(--c-primary); border-color: var(--c-primary); color: #fff; }

/* ==========================================================================
   10. 产品卡片
   ========================================================================== */
.prod-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 18px; }
.prod {
  display: flex; flex-direction: column; background: #fff;
  border: 1px solid var(--c-line); border-radius: var(--radius-lg);
  overflow: hidden; transition: .2s;
}
.prod:hover { transform: translateY(-4px); box-shadow: var(--shadow-lg); border-color: #CFE0F0; }
.prod .thumb {
  height: 168px; background: linear-gradient(135deg, #FAFCFE, #EAF2FA);
  display: flex; align-items: center; justify-content: center;
  border-bottom: 1px solid var(--c-line); overflow: hidden;
}
.prod .thumb img { width: 100%; height: 100%; object-fit: cover; }
.prod .thumb svg { width: 62px; height: 62px; color: #9CBEDA; }
.prod .body { padding: 16px 16px 18px; flex: 1; display: flex; flex-direction: column; }
.prod .tag {
  font-size: 11.5px; color: var(--c-primary); background: var(--c-primary-light);
  padding: 2px 9px; border-radius: 4px; align-self: flex-start; margin-bottom: 9px;
}
.prod h3 { font-size: 15.5px; margin-bottom: 6px; line-height: 1.5; }
.prod p { font-size: 13px; color: var(--c-ink-2); flex: 1; margin-bottom: 12px; }
.prod .meta { font-size: 12.5px; color: var(--c-ink-3); border-top: 1px dashed var(--c-line); padding-top: 10px; }

/* ==========================================================================
   11. 产品详情
   ========================================================================== */
.pd-grid { display: grid; grid-template-columns: .95fr 1.05fr; gap: 42px; align-items: start; }
.pd-photo {
  border: 1px solid var(--c-line); border-radius: var(--radius-lg);
  background: linear-gradient(135deg,#FAFCFE,#EAF2FA);
  min-height: 340px; display: flex; align-items: center; justify-content: center;
  overflow: hidden; padding: 20px;
}
.pd-photo img { width: 100%; height: auto; border-radius: 8px; flex: 1 1 auto; min-width: 0; }
.pd-photo svg { width: 130px; height: 130px; color: #9CBEDA; }
.pd h1 { font-size: 27px; margin-bottom: 10px; }
.pd .pd-sub { color: var(--c-ink-2); margin-bottom: 18px; }
.pd .pd-tags { display: flex; gap: 8px; flex-wrap: wrap; margin-bottom: 20px; }
.pd .pd-tags span { font-size: 12.5px; background: var(--c-primary-light); color: var(--c-primary); padding: 3px 11px; border-radius: 5px; }

.spec-table { width: 100%; border-collapse: collapse; margin: 6px 0 24px; font-size: 14px; }
.spec-table th, .spec-table td { border: 1px solid var(--c-line); padding: 10px 14px; text-align: left; }
.spec-table th { background: var(--c-bg-soft); width: 34%; color: var(--c-ink-2); font-weight: 600; }

/* ==========================================================================
   12. 表单
   ========================================================================== */
.form-card { background: #fff; border: 1px solid var(--c-line); border-radius: var(--radius-lg); padding: 26px; box-shadow: var(--shadow); }
.form-row { margin-bottom: 16px; }
.form-row label { display: block; font-size: 13.5px; color: var(--c-ink-2); margin-bottom: 6px; }
.form-row label .req { color: var(--c-accent); }
.form-row input, .form-row textarea, .form-row select {
  width: 100%; padding: 11px 13px; border: 1px solid var(--c-line);
  border-radius: var(--radius); font-size: 14.5px; font-family: inherit;
  color: var(--c-ink); background: #fff; transition: .16s;
}
.form-row input:focus, .form-row textarea:focus, .form-row select:focus {
  outline: none; border-color: var(--c-primary); box-shadow: 0 0 0 3px rgba(11,95,165,.10);
}
.form-row textarea { min-height: 108px; resize: vertical; }
.form-2 { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.form-msg { display: none; margin-top: 16px; padding: 12px 16px; border-radius: var(--radius); font-size: 14px; }
.form-msg.show { display: block; }
.form-msg.ok { background: #EAF7F0; color: #1D7A4D; border: 1px solid #C6E9D7; }
.form-msg.bad { background: #FDECEA; color: #A32D2D; border: 1px solid #F5C4C0; }
.err { color: #C0392B; font-size: 12.5px; margin-top: 4px; display: none; }
.err.show { display: block; }
.hp-field { position: absolute; left: -9999px; opacity: 0; height: 0; overflow: hidden; }

/* 表单结果提示（服务端回跳） */
.notice { border-radius: var(--radius); padding: 14px 18px; margin-bottom: 20px; font-size: 14.5px; }
.notice.ok { background: #EAF7F0; color: #1D7A4D; border: 1px solid #C6E9D7; }
.notice.bad { background: #FDECEA; color: #A32D2D; border: 1px solid #F5C4C0; }

/* ==========================================================================
   13. 关于 / 联系
   ========================================================================== */
.about-grid { display: grid; grid-template-columns: 1.1fr .9fr; gap: 44px; align-items: center; }
.about-grid h1, .about-grid h2 { font-size: 28px; margin-bottom: 16px; }
.about-grid p { color: var(--c-ink-2); margin-bottom: 14px; }
.strength-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.strength { border: 1px solid var(--c-line); border-radius: var(--radius); padding: 18px; background: #fff; }
.strength b { display: block; font-size: 22px; color: var(--c-primary); margin-bottom: 4px; }
.strength span { font-size: 13px; color: var(--c-ink-2); }

.timeline { margin-top: 20px; border-left: 2px solid var(--c-line); padding-left: 24px; }
.tl-item { position: relative; padding-bottom: 22px; }
.tl-item::before {
  content: ""; position: absolute; left: -31px; top: 6px; width: 12px; height: 12px;
  border-radius: 50%; background: #fff; border: 3px solid var(--c-primary);
}
.tl-item b { display: block; font-size: 15px; margin-bottom: 3px; }
.tl-item span { font-size: 13.5px; color: var(--c-ink-2); }

.contact-grid { display: grid; grid-template-columns: .85fr 1.15fr; gap: 40px; align-items: start; }
.contact-info { list-style: none; margin: 0; padding: 0; }
.contact-info li { display: flex; gap: 14px; padding: 16px 0; border-bottom: 1px dashed var(--c-line); }
.contact-info .ci-ico {
  width: 40px; height: 40px; border-radius: 10px; flex: none;
  background: var(--c-primary-light); color: var(--c-primary);
  display: flex; align-items: center; justify-content: center;
}
.contact-info .ci-ico svg { width: 20px; height: 20px; }
.contact-info b { display: block; font-size: 14.5px; }
.contact-info span { font-size: 13.5px; color: var(--c-ink-2); }
.map-ph {
  margin-top: 22px; border: 1px solid var(--c-line); border-radius: var(--radius-lg); height: 200px;
  background: repeating-linear-gradient(45deg,#F7FAFD,#F7FAFD 12px,#EFF5FA 12px,#EFF5FA 24px);
  display: flex; align-items: center; justify-content: center; color: var(--c-ink-3); font-size: 13.5px;
}

/* ==========================================================================
   14. CTA
   ========================================================================== */
.cta-band {
  background: linear-gradient(120deg, #06375F, #0B5FA5); color: #fff;
  border-radius: var(--radius-lg); padding: 40px 44px;
  display: flex; align-items: center; justify-content: space-between; gap: 26px; flex-wrap: wrap;
}
.cta-band h3 { font-size: 23px; margin-bottom: 6px; }
.cta-band p { color: #C9DCF0; font-size: 14.5px; margin: 0; }

/* ==========================================================================
   15. 新闻资讯
   ========================================================================== */
.news-layout { display: grid; grid-template-columns: 1fr 300px; gap: 36px; align-items: start; }
.news-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; }
.news-card {
  display: flex; flex-direction: column; border: 1px solid var(--c-line);
  border-radius: var(--radius-lg); overflow: hidden; background: #fff; transition: .2s;
}
.news-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-lg); border-color: #CFE0F0; }
.news-card .nc-thumb {
  height: 150px; background: linear-gradient(135deg, #EAF2FA, #FAFCFE);
  border-bottom: 1px solid var(--c-line); overflow: hidden;
  display: flex; align-items: center; justify-content: center;
}
.news-card .nc-thumb img { width: 100%; height: 100%; object-fit: cover; }
.news-card .nc-thumb svg { width: 50px; height: 50px; color: #9CBEDA; }
.news-card .nc-body { padding: 16px 18px 18px; flex: 1; display: flex; flex-direction: column; }
.news-card .nc-cat {
  font-size: 11.5px; color: var(--c-primary); background: var(--c-primary-light);
  padding: 2px 9px; border-radius: 4px; align-self: flex-start; margin-bottom: 9px;
}
.news-card h3 { font-size: 15.5px; line-height: 1.5; margin-bottom: 7px; }
.news-card p { font-size: 13px; color: var(--c-ink-2); flex: 1; margin-bottom: 12px; }
.news-card .nc-date { font-size: 12.5px; color: var(--c-ink-3); border-top: 1px dashed var(--c-line); padding-top: 10px; }

.news-feature {
  display: grid; grid-template-columns: 300px 1fr; border: 1px solid var(--c-line);
  border-radius: var(--radius-lg); overflow: hidden; background: #fff; margin-bottom: 24px; transition: .2s;
}
.news-feature:hover { box-shadow: var(--shadow-lg); border-color: #CFE0F0; }
.news-feature .nf-thumb {
  background: linear-gradient(135deg, #06375F, #1B84D8);
  display: flex; align-items: center; justify-content: center; min-height: 200px; overflow: hidden;
}
.news-feature .nf-thumb img { width: 100%; height: 100%; object-fit: cover; }
.news-feature .nf-thumb svg { width: 64px; height: 64px; color: rgba(255,255,255,.34); }
.news-feature .nf-body { padding: 24px 26px 24px 24px; }
.news-feature .nf-cat {
  display: inline-block; font-size: 11.5px; color: #fff; background: var(--c-accent);
  padding: 2px 10px; border-radius: 4px; margin-bottom: 12px;
}
.news-feature h3 { font-size: 20px; line-height: 1.45; margin-bottom: 10px; }
.news-feature p { font-size: 14px; color: var(--c-ink-2); margin-bottom: 14px; }
.news-feature .nf-meta { font-size: 12.5px; color: var(--c-ink-3); }

.news-list { border-top: 1px solid var(--c-line); }
.news-item { display: flex; gap: 20px; padding: 18px 10px; border-bottom: 1px solid var(--c-line); transition: .18s; }
.news-item:hover { background: #FAFCFE; }
.news-item .ni-date {
  width: 76px; flex: none; text-align: center;
  border-right: 1px solid var(--c-line); padding-right: 14px;
}
.news-item .ni-date b { display: block; font-size: 21px; font-weight: 800; color: var(--c-primary); line-height: 1.15; }
.news-item .ni-date span { font-size: 12px; color: var(--c-ink-3); }
.news-item .ni-body h3 { font-size: 16.5px; line-height: 1.5; margin-bottom: 6px; }
.news-item:hover .ni-body h3 { color: var(--c-primary); }
.news-item .ni-body p { font-size: 13.5px; color: var(--c-ink-2); margin-bottom: 8px; }
.news-item .ni-meta { font-size: 12.5px; color: var(--c-ink-3); display: flex; gap: 16px; flex-wrap: wrap; }
.news-item .ni-thumb { width: 150px; flex: none; border-radius: 8px; overflow: hidden; }
.news-item .ni-thumb img { width: 100%; height: 96px; object-fit: cover; }

/* 侧栏 */
.side-card { border: 1px solid var(--c-line); border-radius: var(--radius-lg); padding: 20px; margin-bottom: 18px; background: #fff; }
.side-card h4 { font-size: 15px; margin-bottom: 14px; padding-bottom: 10px; border-bottom: 1px solid var(--c-line); }
.tag-cloud { display: flex; flex-wrap: wrap; gap: 8px; }
.tag-cloud a { font-size: 13px; padding: 5px 12px; border-radius: 6px; background: var(--c-bg-soft); color: var(--c-ink-2); transition: .16s; }
.tag-cloud a:hover { background: var(--c-primary-light); color: var(--c-primary); }
.hot-list { list-style: none; margin: 0; padding: 0; }
.hot-list li { display: flex; gap: 10px; margin-bottom: 12px; font-size: 13.5px; color: var(--c-ink-2); line-height: 1.6; }
.hot-list li i {
  font-style: normal; width: 18px; height: 18px; flex: none; margin-top: 3px;
  border-radius: 4px; background: var(--c-bg-soft); color: var(--c-primary);
  font-size: 11px; font-weight: 700; display: flex; align-items: center; justify-content: center;
}
.hot-list li:nth-child(-n+3) i { background: var(--c-primary); color: #fff; }
.side-contact { background: linear-gradient(135deg, #06375F, #0B5FA5); color: #fff; border: none; }
.side-contact h4 { color: #fff; border-bottom-color: rgba(255,255,255,.2); }
.side-contact p { font-size: 13.5px; color: #C9DCF0; margin-bottom: 14px; }

/* 文章详情 */
.article { max-width: 860px; }
.article h1 { font-size: 27px; line-height: 1.42; margin-bottom: 14px; }
.article-meta {
  font-size: 13.5px; color: var(--c-ink-3); display: flex; gap: 18px; flex-wrap: wrap;
  padding-bottom: 18px; border-bottom: 1px solid var(--c-line); margin-bottom: 26px;
}
.article-body { font-size: 15.5px; color: #2E3944; }
.article-body h2 { font-size: 20px; margin: 30px 0 12px; color: var(--c-ink); }
.article-body h3 { font-size: 17px; margin: 24px 0 10px; color: var(--c-ink); }
.article-body p { margin-bottom: 15px; color: var(--c-ink-2); }
.article-body ul, .article-body ol { padding-left: 22px; margin-bottom: 15px; }
.article-body li { margin-bottom: 8px; color: var(--c-ink-2); }
.article-body img { border-radius: var(--radius); margin: 8px 0; }
.article-body table { width: 100%; border-collapse: collapse; margin: 16px 0; font-size: 14px; }
.article-body th, .article-body td { border: 1px solid var(--c-line); padding: 9px 12px; text-align: left; }
.article-body th { background: var(--c-bg-soft); font-weight: 600; }
.article-body blockquote {
  border-left: 3px solid var(--c-primary); background: var(--c-primary-light);
  padding: 12px 18px; margin: 16px 0; color: var(--c-ink-2); border-radius: 0 6px 6px 0;
}
.article-tags { display: flex; gap: 8px; flex-wrap: wrap; align-items: center; margin-top: 30px; padding-top: 18px; border-top: 1px solid var(--c-line); }
.article-tags a { font-size: 13px; padding: 5px 12px; border-radius: 6px; background: var(--c-bg-soft); color: var(--c-ink-2); }
.article-tags a:hover { background: var(--c-primary-light); color: var(--c-primary); }
.prevnext { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; margin-top: 28px; }
.prevnext a { border: 1px solid var(--c-line); border-radius: var(--radius); padding: 14px 16px; font-size: 14px; transition: .16s; }
.prevnext a:hover { border-color: var(--c-primary); color: var(--c-primary); }
.prevnext a span { display: block; font-size: 12.5px; color: var(--c-ink-3); margin-bottom: 4px; }
.prevnext a.next { text-align: right; }

/* ==========================================================================
   16. 分页
   ========================================================================== */
.pager, .page-numbers {
  display: flex; justify-content: center; gap: 8px; margin-top: 32px; flex-wrap: wrap;
  list-style: none; padding: 0;
}
.page-numbers li { display: contents; }
.page-numbers a, .page-numbers span, .pager a, .pager span {
  min-width: 36px; height: 36px; padding: 0 12px; border: 1px solid var(--c-line);
  border-radius: 6px; font-size: 14px; color: var(--c-ink-2);
  display: inline-flex; align-items: center; justify-content: center; transition: .16s;
}
.page-numbers a:hover, .pager a:hover { border-color: var(--c-primary); color: var(--c-primary); }
.page-numbers .current, .pager .cur { background: var(--c-primary); border-color: var(--c-primary); color: #fff; }

/* ==========================================================================
   17. 文章内容区（区块兼容）
   ========================================================================== */
.entry-content > * { margin-bottom: 1em; }
.entry-content h2 { font-size: 20px; margin: 28px 0 12px; }
.entry-content h3 { font-size: 17px; margin: 22px 0 10px; }
.entry-content ul { padding-left: 22px; }
.entry-content table { width: 100%; border-collapse: collapse; }
.entry-content th, .entry-content td { border: 1px solid var(--c-line); padding: 9px 12px; }
.entry-content blockquote {
  border-left: 3px solid var(--c-primary); background: var(--c-primary-light);
  padding: 12px 18px; margin: 16px 0; border-radius: 0 6px 6px 0;
}

/* 空状态 */
.empty-state { text-align: center; padding: 60px 20px; color: var(--c-ink-3); }
.empty-state h3 { font-size: 18px; color: var(--c-ink-2); margin-bottom: 8px; }

/* ==========================================================================
   18. 页脚
   ========================================================================== */
.footer { background: #101B27; color: #9AA7B4; padding: 54px 0 0; font-size: 14px; }
.footer-grid { display: grid; grid-template-columns: 1.6fr 1fr 1fr 1.2fr; gap: 34px; }
.footer h4 { color: #fff; font-size: 15px; margin-bottom: 16px; letter-spacing: .5px; }
.footer a:hover { color: #fff; }
.footer ul { list-style: none; margin: 0; padding: 0; }
.footer ul li { margin-bottom: 9px; }
.footer .f-about p { font-size: 13.5px; line-height: 1.8; margin-top: 14px; color: #8A97A4; }
.footer .flogo { display: flex; align-items: center; gap: 10px; color: #fff; }
.footer .flogo .mark {
  width: 34px; height: 34px; border-radius: 8px;
  background: linear-gradient(135deg, #0B5FA5, #1B84D8); color: #fff;
  display: flex; align-items: center; justify-content: center; font-weight: 800;
}
.footer-bottom {
  margin-top: 40px; border-top: 1px solid #1E2B39; padding: 20px 0;
  display: flex; justify-content: space-between; flex-wrap: wrap; gap: 10px;
  font-size: 13px; color: #77848F;
}

/* ==========================================================================
   19. 响应式
   ========================================================================== */
@media (max-width: 980px) {
  .hero .wrap { grid-template-columns: 1fr; gap: 34px; padding-top: 52px; padding-bottom: 56px; }
  .hero h1 { font-size: 31px; }
  .cat-grid, .prod-grid { grid-template-columns: repeat(2, 1fr); }
  .adv-grid, .app-grid { grid-template-columns: 1fr 1fr; }
  .news-grid { grid-template-columns: 1fr 1fr; }
  .pd-grid, .about-grid, .contact-grid, .news-layout { grid-template-columns: 1fr; gap: 28px; }
  .news-feature { grid-template-columns: 1fr; }
  .news-feature .nf-thumb { min-height: 170px; }
  .news-feature .nf-body { padding: 20px 22px; }
  .footer-grid { grid-template-columns: 1fr 1fr; gap: 26px; }
}
@media (max-width: 720px) {
  body { font-size: 14.5px; }
  .topbar { font-size: 12px; }
  .topbar .tb-left { display: none; }
  .topbar .wrap {
    height: auto; padding: 7px 16px;
    justify-content: center; flex-wrap: wrap;
  }
  .topbar .tb-right {
    gap: 12px; flex-wrap: wrap; justify-content: center;
  }
  .nav .wrap { height: 64px; }
  .burger { display: flex; }
  .menu {
    position: absolute; left: 0; right: 0; top: 64px; background: #fff;
    flex-direction: column; align-items: stretch; gap: 0; padding: 8px 16px 16px;
    border-bottom: 1px solid var(--c-line); box-shadow: var(--shadow-lg); display: none;
  }
  .menu.open { display: flex; }
  .menu > li > a { padding: 12px 10px; border-radius: 6px; }
  .menu .sub-menu { position: static; display: block; border: none; box-shadow: none; padding: 0 0 0 14px; }
  .nav .btn-quote { display: none; }
  .sec { padding: 52px 0; }
  .sec-head h2 { font-size: 24px; }
  .cat-grid, .prod-grid, .adv-grid, .app-grid, .news-grid { grid-template-columns: 1fr; }
  .form-2 { grid-template-columns: 1fr; }
  .strength-grid { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr; }
  .hero-stats { grid-template-columns: 1fr 1fr; }
  .cta-band { padding: 28px 24px; }
  .cta-band h3 { font-size: 19px; }
  .news-item { flex-direction: column; gap: 10px; padding: 16px 4px; }
  .news-item .ni-date { width: auto; text-align: left; border-right: none; padding-right: 0; display: flex; align-items: baseline; gap: 8px; }
  .news-item .ni-date b { font-size: 16px; }
  .news-item .ni-thumb { width: 100%; }
  .news-item .ni-thumb img { height: 160px; }
  .prevnext { grid-template-columns: 1fr; }
  .prevnext a.next { text-align: left; }
  .article h1 { font-size: 23px; }
  .page-hero h1 { font-size: 24px; }
}

/* 超窄屏（小屏手机）保护：信息条只保留电话 */
@media (max-width: 480px) {
  .topbar .tb-right span + span { display: none; }
  .hero h1 { font-size: 26px; }
  .sec-head h2, .sec-head h1 { font-size: 21px; }
  .cta-band { padding: 24px 20px; }
  .cta-band h3 { font-size: 17px; }
}

/* 打印 */
@media print {
  .topbar, .nav, .footer, .filter-bar, .btn { display: none !important; }
  body { font-size: 12pt; }
}