/* ============================================================
   恩诺格电子官网 - 浅色商务风（参考 chisynv 结构）
   ============================================================ */

:root {
  --bg: #ffffff;
  --bg-soft: #f4f7fb;
  --bg-soft-2: #eef3f9;
  --surface: #ffffff;
  --border: #e6ebf2;
  --border-strong: #d3dce8;
  --text: #1b2533;
  --muted: #5d6b80;
  --muted-2: #8a97a8;
  --primary: #163c86;
  --primary-2: #0bb4d4;
  --primary-d: #0e2a5c;
  --primary-grad: linear-gradient(120deg, #163c86 0%, #0bb4d4 100%);
  --primary-soft: rgba(22,60,134, 0.08);
  --shadow: 0 10px 30px -16px rgba(20, 50, 110, 0.25);
  --shadow-lg: 0 24px 50px -24px rgba(20, 50, 110, 0.35);
  --radius: 14px;
  --radius-lg: 20px;
  --maxw: 1200px;
  --header-h: 66px;
  --table-th-top: 0;
  --font: "Segoe UI", "PingFang SC", "Microsoft YaHei", system-ui, -apple-system, Roboto, Helvetica, Arial, sans-serif;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: var(--header-h); }
body {
  margin: 0; font-family: var(--font); background: var(--bg); color: var(--text);
  line-height: 1.65; -webkit-font-smoothing: antialiased; overflow-x: hidden;
}
a { color: inherit; text-decoration: none; }
ul { margin: 0; padding: 0; list-style: none; }
img, svg { display: block; max-width: 100%; }

.container { width: 100%; max-width: var(--maxw); margin: 0 auto; padding: 0 24px; }
.narrow { max-width: 860px; }
.center { text-align: center; }

/* ---------- 按钮 ---------- */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 6px;
  padding: 12px 26px; border-radius: 999px; font-weight: 600; font-size: 15px;
  cursor: pointer; border: 1px solid transparent; transition: all .25s ease; letter-spacing: .3px;
}
.btn-primary { background: var(--primary-grad); color: #fff; box-shadow: 0 10px 24px -10px rgba(22,60,134,.6); }
.btn-primary:hover { transform: translateY(-2px); box-shadow: 0 16px 30px -12px rgba(22,60,134,.7); }
.btn-light { background: #fff; color: var(--primary-d); }
.btn-light:hover { transform: translateY(-2px); box-shadow: 0 14px 28px -14px rgba(0,0,0,.4); }
.btn-sample { padding: 9px 18px; font-size: 13.5px; background: var(--primary-soft); color: var(--primary); border-color: transparent; }
.btn-sample:hover { background: var(--primary); color: #fff; }
.link-more { color: var(--primary); font-weight: 600; font-size: 14px; transition: color .2s; }
.link-more:hover { color: var(--primary-2); }

/* ---------- 顶部导航 ---------- */
.site-header {
  position: fixed; top: 0; left: 0; right: 0; z-index: 50; height: var(--header-h);
  display: flex; align-items: center; background: transparent; border-bottom: 1px solid transparent;
  transition: background .3s ease, backdrop-filter .3s ease, border-color .3s ease, box-shadow .3s ease;
}
.site-header.scrolled { background: #fff; backdrop-filter: blur(12px); border-bottom-color: var(--border); box-shadow: 0 6px 20px -16px rgba(0,0,0,.3); }

/* 页面在顶部未滚动时：导航栏透明底、白字、Logo 反白 */
.site-header:not(.scrolled) .nav-item > a { color: #fff; }
.site-header:not(.scrolled) .nav-item > a::after { background: #fff; }
.site-header:not(.scrolled) .nav-item:hover > a,
.site-header:not(.scrolled) .nav-item > a:hover { color: #fff; }
.site-header:not(.scrolled) .brand-logo { filter: brightness(0) invert(1); }
.site-header:not(.scrolled) .lang-toggle { color: #fff; border-color: rgba(255,255,255,.55); }
.site-header:not(.scrolled) .lang-toggle:hover { border-color: #fff; }
.site-header:not(.scrolled) .menu-btn span { background: #fff; }
.nav-wrap { display: flex; align-items: center; justify-content: space-between; gap: 18px; width: 100%; position: relative; }
.brand { display: flex; align-items: center; color: var(--text); }
.brand-logo { height: 44px; width: auto; display: block; transition: filter .3s ease; }
.brand-mark { color: var(--primary); display: flex; }
.brand-text { display: flex; flex-direction: column; line-height: 1.05; }
.brand-text strong { font-size: 17px; letter-spacing: 1px; }
.brand-text em { font-style: normal; font-size: 9.5px; letter-spacing: 2.5px; color: var(--muted-2); }

.nav { display: flex; gap: 32px; align-items: center; }
.nav-item { position: relative; }
.nav a { color: var(--muted); font-size: 17px; font-weight: 600; position: relative; transition: color .2s; padding: 6px 0; display: inline-block; }
.nav a::after { content: ""; position: absolute; left: 0; bottom: 0; height: 2px; width: 0; background: var(--primary-grad); transition: width .25s ease; }
.nav a:hover { color: var(--text); }
.nav a:hover::after { width: 100%; }

/* 下拉菜单 */
.dropdown {
  position: absolute; top: calc(100% + 14px); left: 50%; transform: translateX(-50%) translateY(10px);
  min-width: 210px; background: #fff; border: 1px solid var(--border); border-radius: 14px;
  box-shadow: var(--shadow-lg); padding: 8px; opacity: 0; visibility: hidden; transition: all .25s ease; z-index: 60;
}
.dropdown::before { content: ""; position: absolute; top: -14px; left: 0; right: 0; height: 14px; }
.nav-item.has-menu:hover .dropdown { opacity: 1; visibility: visible; transform: translateX(-50%) translateY(0); }
.dropdown a { display: block; padding: 11px 14px; border-radius: 9px; color: var(--muted); font-size: 14.5px; font-weight: 500; }
.dropdown a::after { display: none; }
.dropdown a:hover { background: var(--primary-soft); color: var(--primary); }

/* 普通下拉（解决方案 / 服务支持 / 关于我们）宽度随内容自适应 */
.dropdown:not(.wide) { min-width: auto; width: auto; white-space: nowrap; }
.dropdown:not(.wide) a { white-space: nowrap; }

/* 宽下拉（产品中心）—— 全宽 mega-menu，与导航栏同宽 */
.nav-item.mega { position: static; }
.dropdown.wide {
  left: 0; right: 0; width: 100%; min-width: 0; transform: none;
  display: grid; grid-template-columns: repeat(4, 1fr); gap: 8px 30px; padding: 20px 22px;
}
.nav-item.mega:hover .dropdown.wide { transform: none; }
.dd-group { display: flex; flex-direction: column; }
.dropdown a.dd-cat { font-weight: 700; font-size: 15px; color: var(--primary); padding: 9px 12px 4px; border-radius: 8px; text-align: left; }
.dropdown a.dd-cat::after { display: none; }
.dropdown a.dd-sub { font-size: 13px; color: var(--muted); padding: 5px 12px; border-radius: 6px; text-align: left; }
.dropdown a.dd-sub::after { display: none; }
.dropdown a.dd-cat:hover, .dropdown a.dd-sub:hover { background: var(--primary-soft); color: var(--primary); }

.nav-actions { display: flex; align-items: center; gap: 12px; }
.lang-toggle { background: transparent; border: 1px solid var(--border-strong); color: var(--muted); border-radius: 999px; padding: 6px 13px; font-size: 13px; cursor: pointer; font-weight: 600; transition: all .2s; }
.lang-toggle:hover { border-color: var(--primary); color: var(--text); }
.lang-toggle.is-en .lang-en { color: var(--primary); }
.lang-toggle:not(.is-en) .lang-zh { color: var(--primary); }
.lang-sep { opacity: .4; margin: 0 3px; }
.menu-btn { display: none; flex-direction: column; gap: 5px; background: none; border: 0; cursor: pointer; padding: 6px; }
.menu-btn span { width: 24px; height: 2px; background: var(--text); border-radius: 2px; transition: .3s; }
.menu-btn.active span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.menu-btn.active span:nth-child(2) { opacity: 0; }
.menu-btn.active span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* ---------- 导航搜索（仿 SearchBar 可展开，品牌色） ---------- */
.search-wrapper { position: relative; display: inline-flex; align-items: center; }
.search-wrapper .input-holder {
  position: relative;
  height: 38px;
  width: 38px;
  border-radius: 50px;
  background: transparent;
  overflow: hidden;
  -webkit-transition: all .3s cubic-bezier(0.000, 0.105, 0.035, 1.570);
  transition: all .3s cubic-bezier(0.000, 0.105, 0.035, 1.570);
}
.site-header:not(.scrolled) .search-wrapper .input-holder { box-shadow: inset 0 0 0 1px rgba(255,255,255,.55); }
.search-wrapper.active .input-holder {
  width: 240px;
  background: transparent;
  box-shadow: inset 0 0 0 1px var(--primary);
}

/* 输入框（展开后显示） */
.search-wrapper .input-holder .search-input {
  position: absolute;
  top: 0; left: 0;
  width: 100%;
  height: 38px;
  padding: 0 46px 0 16px;
  box-sizing: border-box;
  border: none;
  outline: none;
  background: transparent;
  color: var(--text);
  font-size: 14px;
  font-family: inherit;
  opacity: 0;
  -webkit-transform: translateX(20px);
  transform: translateX(20px);
  -webkit-transition: all .3s cubic-bezier(0.000, 0.105, 0.035, 1.570);
  transition: all .3s cubic-bezier(0.000, 0.105, 0.035, 1.570);
  transition-delay: .15s;
}
.search-wrapper.active .input-holder .search-input { opacity: 1; -webkit-transform: translateX(0); transform: translateX(0); }
.search-wrapper .input-holder .search-input::placeholder { color: var(--muted); }
.site-header:not(.scrolled) .search-wrapper.active .input-holder .search-input { color: #fff; }
.site-header:not(.scrolled) .search-wrapper.active .input-holder .search-input::placeholder { color: rgba(255,255,255,.75); }

/* 图标按钮（圆形，放大镜 ↔ ×） */
.search-wrapper .input-holder .search-icon {
  position: absolute;
  top: 0; right: 0;
  z-index: 2;
  width: 38px;
  height: 38px;
  border: none;
  border-radius: 50px;
  background: #fff;
  padding: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  -webkit-transition: all .3s ease-in-out;
  transition: all .3s ease-in-out;
}
.search-wrapper.active .input-holder .search-icon { width: 30px; height: 30px; margin: 4px; }
.search-wrapper .input-holder .search-icon span {
  width: 16px; height: 16px;
  display: inline-block;
  position: relative;
  -webkit-transition: all .4s cubic-bezier(0.650, -0.600, 0.240, 1.650);
  transition: all .4s cubic-bezier(0.650, -0.600, 0.240, 1.650);
}
.search-wrapper.active .input-holder .search-icon span { -webkit-transform: rotate(-45deg); transform: rotate(-45deg); }
.search-wrapper .input-holder .search-icon span::before,
.search-wrapper .input-holder .search-icon span::after { position: absolute; content: ''; box-sizing: border-box; }
.search-wrapper .input-holder .search-icon span::after {
  width: 12px; height: 12px; left: 1px; top: 1px;
  border-radius: 50%; border: 2px solid var(--primary);
}
.search-wrapper .input-holder .search-icon span::before {
  width: 2px; height: 7px; left: 10px; top: 11px;
  border-radius: 2px; background: var(--primary);
  transform-origin: top center;
  -webkit-transform: rotate(45deg);
  transform: rotate(-45deg);
}

/* 结果下拉（吸顶右下） */
.search-panel { position: absolute; top: calc(100% + 10px); right: 0; width: 320px; max-width: calc(100vw - 32px); background: #fff; border: 1px solid var(--border); border-radius: 16px; box-shadow: 0 22px 50px -22px rgba(10,30,60,.4); z-index: 1200; overflow: hidden; }
.search-results { max-height: 320px; overflow-y: auto; }
.search-item { display: flex; align-items: baseline; justify-content: space-between; gap: 10px; padding: 10px 14px; text-decoration: none; color: var(--text); border-bottom: 1px solid #f0f2f5; }
.search-item:last-child { border-bottom: 0; }
.search-item:hover { background: #eef3fb; }
.search-model { font-weight: 600; color: var(--primary); }
.search-cat { font-size: 12px; color: var(--muted); }
.search-hint { padding: 10px 14px; font-size: 13px; color: var(--muted); }
@media (max-width: 560px) {
  .search-wrapper.active .input-holder { width: calc(100vw - 150px); }
  .search-panel { right: auto; left: 0; width: calc(100vw - 32px); }
}

/* ---------- 轮播 Banner（滑动） ---------- */
.hero { position: relative; overflow: hidden; }
.hero-viewport { width: 100%; overflow: hidden; }
.hero-track { display: flex; transition: transform .6s cubic-bezier(.4,0,.2,1); will-change: transform; }
.slide { flex: 0 0 100%; min-height: 560px; color: #fff; display: flex; align-items: center; }
.slide-inner { display: flex; align-items: center; justify-content: space-between; gap: 40px; width: 100%; padding: 80px 0; }
.slide-text { max-width: 620px; }
.slide-eyebrow { display: inline-block; font-size: 13px; letter-spacing: 3px; text-transform: uppercase; background: rgba(255,255,255,.16); padding: 6px 14px; border-radius: 999px; margin: 0 0 20px; }
.slide-text h1 { font-size: clamp(28px, 4.4vw, 46px); line-height: 1.2; margin: 0 0 18px; font-weight: 800; letter-spacing: .5px; }
.slide-sub { font-size: clamp(15px, 2vw, 18px); opacity: .92; margin: 0 0 30px; }
.slide-visual { flex: 0 0 auto; display: grid; place-items: center; min-width: 240px; }
.chip-lg { position: relative; width: 200px; height: 200px; border-radius: 22px; background: rgba(255,255,255,.12); border: 1px solid rgba(255,255,255,.35); display: grid; place-items: center; box-shadow: 0 30px 60px -25px rgba(0,0,0,.5); }
.chip-lg .chip-core { width: 92px; height: 92px; border-radius: 12px; background: #fff; box-shadow: 0 0 40px rgba(255,255,255,.6); animation: pulse 3s ease-in-out infinite; }
.chip-lg .pin { position: absolute; width: 26px; height: 8px; background: #fff; border-radius: 3px; opacity: .8; }
.chip-lg .pin:nth-child(2){ top:-8px; left:40px;} .chip-lg .pin:nth-child(3){ top:-8px; left:100px;} .chip-lg .pin:nth-child(4){ bottom:-8px; left:40px;} .chip-lg .pin:nth-child(5){ bottom:-8px; left:100px;}
@keyframes pulse { 0%,100%{ transform: scale(1);} 50%{ transform: scale(1.06);} }
.ring-deco { width: 220px; height: 220px; border-radius: 50%; border: 14px solid rgba(255,255,255,.2); border-top-color:#fff; animation: spin 8s linear infinite; }
@keyframes spin { to { transform: rotate(360deg);} }
.hero-controls { position: absolute; bottom: 24px; left: 0; right: 0; display: flex; align-items: center; justify-content: center; z-index: 5; }
/* 左右箭头：分别贴在 banner 两端，垂直居中 */
.hero-prev, .hero-next { position: absolute; top: 50%; transform: translateY(-50%); width: 48px; height: 48px; border-radius: 50%; cursor: pointer; border: 1px solid rgba(255,255,255,.5); background: rgba(255,255,255,.16); backdrop-filter: blur(6px); color: #fff; font-size: 24px; line-height: 1; display: grid; place-items: center; transition: all .25s ease; z-index: 6; }
.hero-prev { left: 24px; }
.hero-next { right: 24px; }
.hero-prev:hover, .hero-next:hover { background: #fff; color: var(--primary-d); transform: translateY(-50%) scale(1.1); box-shadow: 0 8px 20px -8px rgba(0,0,0,.5); }
/* 中下部数字计数 */
.hero-count { display: flex; justify-content: center; gap: 12px; }
.hero-count button { width: 38px; height: 38px; border-radius: 10px; border: 1px solid rgba(255,255,255,.45); background: rgba(255,255,255,.14); color: #fff; font-weight: 700; font-size: 15px; cursor: pointer; backdrop-filter: blur(6px); transition: all .25s ease; }
.hero-count button:hover { background: rgba(255,255,255,.28); }
.hero-count button.active { background: #fff; color: var(--primary-d); transform: scale(1.08); }

/* ---------- 通用 section（无装饰背景图） ---------- */
.section { padding: 88px 0; position: relative; background-color: #fff; }
.section:has(.table_list_wrap) { padding: 24px 0 40px; }
.section-soft { background-color: var(--bg-soft); }

/* 各版块差异化背景已移除 */
.band-green { background: linear-gradient(120deg, #06203f, #0e7c8c); }
.band-cta { background: var(--primary-grad); }
.section-head { text-align: center; max-width: 720px; margin: 0 auto 50px; }
.kicker { display: inline-block; font-size: 15px; letter-spacing: 4px; color: var(--primary); font-weight: 700; margin-bottom: 12px; }
.section-head h2 { font-size: clamp(26px, 4.5vw, 40px); margin: 0 0 12px; font-weight: 800; letter-spacing: .5px; }
.section-head p { color: var(--muted); font-size: 16px; margin: 0; }
.lead { font-size: 16.5px; color: var(--muted); }

/* ---------- 精选产品 ---------- */
.prod-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 22px; }
.prod-card { display: flex; flex-direction: column; background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius-lg); overflow: hidden; transition: transform .3s, box-shadow .3s, border-color .3s; }
.prod-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-lg); border-color: var(--border-strong); }
.prod-thumb { height: 180px; display: grid; place-items: center; }
.prod-mock { width: 130px; height: 110px; border-radius: 12px; position: relative; box-shadow: var(--shadow); }
.prod-mock::after { content: ""; position: absolute; inset: 22px; border-radius: 8px; border: 2px solid rgba(255,255,255,.55); }
.mock-rf { background: linear-gradient(135deg, #163c86, #0bb4d4); }
.mock-pm { background: linear-gradient(135deg, #0a9d6b, #163c86); }
.mock-amp { background: linear-gradient(135deg, #7a3cff, #163c86); }
.mock-adc { background: linear-gradient(135deg, #163c86, #0e2a5c); }
.prod-body { display: flex; flex-direction: column; flex: 1; padding: 22px 24px 26px; }
.prod-cat { font-size: 12.5px; color: var(--primary); font-weight: 700; letter-spacing: .5px; }
.prod-body h3 { font-size: 20px; margin: 8px 0 10px; }
.prod-body h3 small { display: block; font-size: 13px; font-weight: 500; color: var(--muted-2); margin-top: 3px; }
.prod-body p { color: var(--muted); font-size: 14.5px; margin: 0 0 16px; min-height: 64px; flex: 1; }

/* ---------- 横幅 Band ---------- */
.band { padding: 0; }
.band-inner { display: flex; align-items: center; justify-content: space-between; gap: 30px; padding: 48px 0; flex-wrap: wrap; }
.band-green { background: linear-gradient(120deg, #06203f, #0e7c8c); color: #fff; }
.band-green h2 { font-size: clamp(22px, 3.5vw, 32px); margin: 0 0 8px; font-weight: 800; }
.band-green p { margin: 0; opacity: .9; }
.cert-list { display: flex; gap: 14px; flex-wrap: wrap; }
.cert-list li { border: 1px solid rgba(255,255,255,.4); padding: 10px 18px; border-radius: 999px; font-weight: 700; font-size: 14px; letter-spacing: 1px; }
.band-cta { background: var(--primary-grad); color: #fff; }
.band-cta h2 { font-size: clamp(22px, 3.5vw, 30px); margin: 0 0 8px; font-weight: 800; }
.band-cta p { margin: 0; opacity: .92; }

/* ---------- 关于 / 数据 ---------- */
.about-grid { display: grid; grid-template-columns: 1.1fr .9fr; gap: 50px; align-items: center; }
.about-text h2 { font-size: clamp(26px, 4vw, 38px); margin: 0 0 16px; font-weight: 800; }
.about-text p { color: var(--muted); font-size: 15.5px; margin: 0 0 14px; }
.stats { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.stat { background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius); padding: 26px 22px; text-align: center; box-shadow: var(--shadow); }
.stat b { display: block; font-size: 34px; font-weight: 800; color: var(--primary); line-height: 1.1; }
.stat span { font-size: 13px; color: var(--muted); }

/* ---------- 应用方案 ---------- */
.app-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(190px, 1fr)); gap: 20px; }
.app-card { display: block; text-decoration: none; color: inherit; background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius); padding: 28px; transition: all .3s ease; }
.app-card:hover { border-color: var(--primary); transform: translateY(-4px); box-shadow: var(--shadow); }
.app-ic { display: inline-grid; place-items: center; min-width: 54px; height: 54px; padding: 0 14px; border-radius: 12px; background: var(--primary-soft); color: var(--primary); font-weight: 800; font-size: 14px; letter-spacing: 1px; margin-bottom: 16px; }
.app-card h3 { font-size: 18px; margin: 0 0 6px; }
.app-card p { color: var(--muted); font-size: 13.5px; margin: 0; }

/* 解决方案二级页 */
.sol-intro { color: var(--muted); font-size: 16px; line-height: 1.8; max-width: 860px; margin: 0 0 34px; }
.sol-feat-list { list-style: none; margin: 0 0 56px; padding: 0; display: grid; grid-template-columns: repeat(2, 1fr); gap: 14px; }
.sol-feat-list li { display: flex; gap: 10px; align-items: flex-start; background: #f8f9fa; border: 1px solid var(--border); border-radius: 10px; padding: 14px 16px; font-size: 14.5px; color: var(--text); }
.sol-feat-list li::before { content: "✓"; flex: none; width: 20px; height: 20px; margin-top: 1px; border-radius: 50%; background: var(--primary); color: #fff; font-size: 12px; display: inline-grid; place-items: center; }
.sol-prod-list { display: flex; flex-wrap: wrap; gap: 12px; margin-bottom: 0; }
.sol-prod-list a { display: inline-flex; align-items: center; gap: 6px; padding: 10px 16px; border: 1px solid var(--border); border-radius: 999px; color: var(--primary); font-weight: 600; font-size: 14px; text-decoration: none; transition: all .2s; }
.sol-prod-list a:hover { background: var(--primary); color: #fff; }
@media (max-width: 600px) { .sol-feat-list { grid-template-columns: 1fr; } }

/* ---------- 服务支持 ---------- */
.support-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; }
.support-card { background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius-lg); padding: 32px; text-align: center; transition: all .3s ease; }
.support-card:hover { transform: translateY(-4px); box-shadow: var(--shadow); border-color: var(--border-strong); }
.support-ic { display: flex; align-items: center; justify-content: center; width: 54px; height: 54px; margin: 0 auto 16px; border-radius: 12px; background: var(--primary-soft); color: var(--primary); transition: background .3s ease, color .3s ease; }
.support-ic svg { width: 27px; height: 27px; }
.support-card:hover .support-ic { background: var(--primary); color: #fff; }
.support-card h3 { font-size: 18px; margin: 0 0 8px; }
.support-card p { color: var(--muted); font-size: 14px; margin: 0; }

/* ---------- 新闻中心 ---------- */
.news-tabs { display: flex; gap: 10px; justify-content: center; margin-bottom: 30px; flex-wrap: wrap; }
.ntab { background: var(--bg-soft); border: 1px solid var(--border); color: var(--muted); padding: 9px 22px; border-radius: 999px; cursor: pointer; font-size: 14.5px; font-weight: 600; transition: all .2s; }
.ntab.active { background: var(--primary-grad); color: #fff; border-color: transparent; }
.news-list { max-width: 880px; margin: 0 auto; display: flex; flex-direction: column; gap: 12px; }
.news-row { display: flex; align-items: center; gap: 18px; background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius); padding: 18px 22px; transition: all .2s; }
.news-row:hover { border-color: var(--primary); box-shadow: var(--shadow); transform: translateX(4px); }
.news-date { flex: 0 0 auto; color: var(--primary); font-weight: 700; font-size: 14px; min-width: 92px; }
.news-title { flex: 1; font-size: 15.5px; color: var(--text); font-weight: 500; }
.news-views { flex: 0 0 auto; color: var(--muted-2); font-size: 13px; }
.news-detail-meta { display: flex; align-items: center; gap: 10px; color: #fff; font-size: 14px; margin: 14px 0 26px; }
.news-detail-meta .tag { color: #fff; font-weight: 600; font-size: 13px; background: rgba(255,255,255,.16); padding: 3px 12px; border-radius: 20px; }
.article-body p { font-size: 16px; line-height: 1.9; color: var(--text); margin: 0 0 18px; }

/* ---------- 联系我们 ---------- */
.contact-grid { display: grid; grid-template-columns: 0.85fr 1.5fr; gap: 50px; align-items: start; }
.contact-info h2 { font-size: clamp(26px, 4vw, 38px); margin: 0 0 12px; font-weight: 800; }
.contact-info p { color: var(--muted); margin: 0 0 24px; }
.contact-list li { display: flex; flex-direction: column; padding: 13px 0; border-top: 1px solid var(--border); }
.contact-list li span { font-size: 12.5px; color: var(--muted-2); letter-spacing: 1px; }
.contact-list li b { font-size: 16px; font-weight: 600; margin-top: 2px; }
.contact-list li b a { color: inherit; text-decoration: none; transition: color .2s ease; }
.contact-list li b a:hover { color: var(--primary); text-decoration: underline; }
.contact-form { background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius-lg); padding: 32px; box-shadow: var(--shadow); }
.field { position: relative; margin-bottom: 18px; }
.field input, .field textarea { width: 100%; background: var(--bg-soft); border: 1px solid var(--border); color: var(--text); border-radius: 10px; padding: 16px 14px 14px; font-size: 15px; font-family: inherit; transition: border-color .2s; resize: vertical; }
.field input:focus, .field textarea:focus { outline: none; border-color: var(--primary); background: #fff; }
.field label { position: absolute; left: 14px; top: 15px; color: var(--muted-2); font-size: 15px; pointer-events: none; transition: all .18s ease; background: var(--bg-soft); padding: 0 4px; }
.field input:focus + label, .field input:not(:placeholder-shown) + label, .field textarea:focus + label, .field textarea:not(:placeholder-shown) + label { top: -9px; font-size: 12px; color: var(--primary); background: #fff; }
.contact-form .btn { width: 100%; }
.form-note { margin: 14px 0 0; color: var(--primary); font-size: 14px; text-align: center; }

/* ---------- 页脚 ---------- */
/* 品牌色页脚：顶部品牌蓝 → 底部深品牌蓝，兼顾层次与底部小字对比度 */
.site-footer { background: linear-gradient(180deg, #163c86 0%, #0e2a5c 100%); color: #dbe3f0; padding-top: 54px; }
.footer-grid { display: grid; grid-template-columns: 1.5fr 1fr 1fr 1fr; gap: 30px; padding-bottom: 38px; }
.footer-logo { height: 40px; width: auto; display: block; margin-bottom: 12px; filter: brightness(0) invert(1); }
.footer-brand p { font-size: 13px; color: #c2cfe6; margin: 8px 0 0; max-width: 280px; }
.footer-contact { list-style: none; margin: 14px 0 0; padding: 0; }
.footer-contact li { margin-bottom: 7px; }
.footer-contact a { display: inline-flex; align-items: center; color: #ccd8ec; font-size: 13.5px; text-decoration: none; transition: color .2s ease; }
.footer-contact a:hover { color: #fff; }
.footer-col h4 { font-size: 14px; color: #fff; margin: 0 0 14px; }
.footer-col a { display: block; color: #ccd8ec; font-size: 13.5px; margin-bottom: 9px; transition: color .2s; }
.footer-col a:hover { color: #fff; }
.footer-bottom { display: flex; justify-content: space-between; flex-wrap: wrap; gap: 10px; border-top: 1px solid rgba(255,255,255,.18); padding: 20px 0; font-size: 12.5px; color: #b6c3d9; }
.footer-bottom a.icp-link { color: inherit; text-decoration: none; transition: color .2s ease; }
.footer-bottom a.icp-link:hover { color: #fff; text-decoration: underline; }

/* ---------- 子页通用 ---------- */
.page-hero { background: linear-gradient(120deg, #0a2a6b, #163c86 60%, #0bb4d4); color: #fff; padding: 104px 0 60px; position: relative; }
.page-hero .container.pd-hero-row { display: flex; align-items: center; justify-content: space-between; gap: 40px; }
.page-hero .crumb { display: flex; align-items: center; flex-wrap: wrap; gap: 6px; font-size: 13px; margin-bottom: 16px; }
.page-hero .crumb a { display: inline-flex; align-items: center; gap: 5px; color: rgba(255,255,255,.72); text-decoration: none; padding: 3px 5px; border-radius: 6px; transition: color .2s ease, background .2s ease; }
.page-hero .crumb a:hover { color: #fff; background: rgba(255,255,255,.14); }
.page-hero .crumb a.crumb-home::before { content: ""; display: inline-block; width: 13px; height: 13px; background-color: currentColor; -webkit-mask: url("data:image/svg+xml;base64,PHN2ZyB4bWxucz0iaHR0cDovL3d3dy53My5vcmcvMjAwMC9zdmciIHZpZXdCb3g9IjAgMCAyNCAyNCI+PHBhdGggZmlsbD0iIzAwMCIgZD0iTTEyIDMgTDMgMTEgaDIgdjkgaDUgdi02IGg0IHY2IGg1IHYtOSBoMiB6Ii8+PC9zdmc+") center / contain no-repeat; mask: url("data:image/svg+xml;base64,PHN2ZyB4bWxucz0iaHR0cDovL3d3dy53My5vcmcvMjAwMC9zdmciIHZpZXdCb3g9IjAgMCAyNCAyNCI+PHBhdGggZmlsbD0iIzAwMCIgZD0iTTEyIDMgTDMgMTEgaDIgdjkgaDUgdi02IGg0IHY2IGg1IHYtOSBoMiB6Ii8+PC9zdmc+") center / contain no-repeat; }
.page-hero .crumb .sep { color: rgba(255,255,255,.4); font-size: 12px; margin: 0 1px; user-select: none; }
.page-hero .crumb .current { color: #fff; font-weight: 600; background: rgba(255,255,255,.16); padding: 4px 12px; border-radius: 999px; }
.page-hero h1 { font-size: clamp(28px, 4.4vw, 44px); margin: 0 0 12px; font-weight: 800; }
.page-hero p { opacity: .92; max-width: 700px; font-size: 16px; margin: 0; }
.pd-hero-main { flex: 1 1 auto; min-width: 0; }
.breadcrumb { font-size: 13px; color: var(--muted); padding: 16px 0; }
.breadcrumb a { color: var(--primary); }
.subcat-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; margin-top: 26px; }
.subcat-card { background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius); padding: 26px; transition: all .3s; display: flex; flex-direction: column; }
.subcat-card:hover { border-color: var(--primary); transform: translateY(-4px); box-shadow: var(--shadow); }
.subcat-card h3 { font-size: 19px; margin: 0 0 8px; }
.subcat-card p { color: var(--muted); font-size: 14px; margin: 0 0 14px; }
.subcat-card ul { list-style: none; margin: 12px 0 0; padding: 0; flex: 1 0 auto; }
.subcat-card li { margin: 7px 0; }
.subcat-card li a { color: var(--muted); font-size: 13.5px; }
.subcat-card li a:hover { color: var(--primary); }
.subcat-card .go { margin-top: auto; padding-top: 14px; display: inline-block; }
.subcat-card a.subcat-head { display: inline-block; text-decoration: none; color: inherit; }
.subcat-card a.subcat-head:hover h3 { color: var(--primary); }
.model-table { width: 100%; border-collapse: collapse; margin-top: 0; background: var(--surface); }
.table-wrap { overflow-x: auto; }
.model-table th, .model-table td { padding: 11px 16px; text-align: left; font-size: 14px; white-space: nowrap; }
.model-table thead th { position: sticky; top: var(--table-th-top); z-index: 3; background: #eef3fb; color: var(--text); font-weight: 700; box-shadow: inset 0 -1px 0 var(--border-strong); }
.model-table tbody tr:hover { background: var(--primary-soft); }
.model-table td .tag { display: inline-block; font-size: 13px; font-weight: 700; color: var(--primary); text-decoration: none; cursor: pointer; transition: color .2s; }
.model-table td .tag:hover { color: var(--primary-d); }
/* PDF 下载列（relmon 标志性：每行一个下载入口） */
.model-table .pdf-col { width: 64px; text-align: center; }
.model-table .pdf-link { display: inline-block; font-size: 11.5px; font-weight: 700; letter-spacing: .5px; color: var(--primary); border: 1px solid var(--border-strong); border-radius: 6px; padding: 3px 9px; text-decoration: none; transition: all .2s ease; }
.model-table .pdf-link:hover { background: var(--primary); border-color: var(--primary); color: #fff; }
.model-table .status { font-size: 13px; font-weight: 500; display: inline-flex; align-items: center; gap: 6px; white-space: nowrap; }
.model-table .status::before { content: ""; width: 7px; height: 7px; border-radius: 50%; background: currentColor; }
.model-table .status.active { color: #0a9d6b; }
.model-table .status.sample { color: #b8860b; }
.model-table .status.nrnd { color: #c0392b; }
.empty-row td { text-align: center; color: var(--muted-2); padding: 30px; }

/* 表格筛选工具栏（relmon 风格：带标签的卡片式筛选组 + 重置 + 计数） */
.table-toolbar { display: flex; flex-wrap: wrap; align-items: flex-end; gap: 16px; margin: 22px 0 14px; padding: 16px 18px; background: #fff; border: 1px solid var(--border); border-radius: 12px; }
.filter-group { display: flex; flex-direction: column; gap: 6px; }
.filter-group > label { font-size: 12px; font-weight: 600; color: var(--muted); letter-spacing: .3px; }
.filter-group--search { flex: 1 1 220px; min-width: 200px; }
.filter-group .search { position: relative; }
.filter-group .search input { width: 100%; padding: 10px 12px 10px 36px; border: 1px solid var(--border-strong); border-radius: 9px; font-size: 14px; font-family: inherit; background: #fff; color: var(--text); }
.filter-group .search::before { content: "\1F50D"; position: absolute; left: 12px; top: 50%; transform: translateY(-50%); font-size: 13px; opacity: .5; }
.filter-group select { width: 100%; padding: 10px 12px; border: 1px solid var(--border-strong); border-radius: 9px; font-size: 14px; font-family: inherit; background: #fff; color: var(--text); cursor: pointer; min-width: 140px; }
.filter-group select:focus, .filter-group .search input:focus { outline: none; border-color: var(--primary); box-shadow: 0 0 0 3px rgba(22,60,134,.12); }
.filter-reset { margin-left: auto; padding: 10px 18px; border: 1px solid var(--border-strong); border-radius: 9px; background: #fff; color: var(--text); font-size: 14px; font-family: inherit; cursor: pointer; transition: all .2s ease; align-self: flex-end; }
.filter-reset:hover { border-color: var(--primary); color: var(--primary); }
.table-toolbar .count { color: var(--muted); font-size: 13.5px; white-space: nowrap; align-self: flex-end; padding-bottom: 2px; }
.content-block { padding: 44px 0; border-bottom: 1px solid var(--border); }
.content-block:last-child { border-bottom: 0; }
.content-block h3 { font-size: 24px; margin: 0 0 14px; }
.content-block .prose p { color: var(--muted); font-size: 15.5px; margin: 0 0 12px; }
.btn-row { margin-top: 26px; }
.section-title { font-size: clamp(24px, 3.6vw, 34px); margin: 0 0 10px; font-weight: 800; }
.section-sub { color: var(--muted); font-size: 16px; margin: 0 0 8px; }

/* ---------- 服务支持子页：文档下载 / 样品申请 / 意见反馈 ---------- */

/* 文档下载：分类 Tab + 搜索 */
.doc-toolbar { display: flex; align-items: center; justify-content: space-between; gap: 20px; flex-wrap: wrap; margin-bottom: 20px; }
.doc-tabs { display: flex; gap: 8px; flex-wrap: wrap; }
.dtab { border: 1px solid var(--border); background: var(--surface); color: var(--muted);
  border-radius: 999px; padding: 8px 18px; font-size: 14px; font-weight: 600; font-family: inherit; cursor: pointer;
  transition: all .2s; }
.dtab:hover { border-color: var(--primary); color: var(--primary); }
.dtab.active { background: var(--primary); border-color: var(--primary); color: #fff; }
.doc-search { flex: 0 1 300px; min-width: 220px; }
.doc-search input { width: 100%; border: 1px solid var(--border); background: var(--surface);
  border-radius: 10px; padding: 10px 14px; font-size: 14px; font-family: inherit; color: var(--text); transition: border-color .2s; }
.doc-search input:focus { outline: none; border-color: var(--primary); box-shadow: 0 0 0 3px rgba(22,60,134,.1); }

/* 文档表格 */
.doc-table-wrap { background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius); overflow: hidden; }
.doc-table { width: 100%; border-collapse: collapse; }
.doc-table th { text-align: left; font-size: 13px; font-weight: 700; color: var(--muted);
  background: var(--bg-soft); padding: 11px 16px; border-bottom: 1px solid var(--border); white-space: nowrap; }
.doc-table td { padding: 11px 16px; border-bottom: 1px solid var(--border); font-size: 14px; color: var(--text); vertical-align: middle; }
.doc-table tbody tr:last-child td { border-bottom: 0; }
.doc-table tbody tr:hover { background: #f7f9fd; }
.doc-table .d-name { font-weight: 600; }
.doc-table .d-mono { font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace; }
.doc-table .d-type { color: var(--primary); font-size: 13px; font-weight: 600; white-space: nowrap; }
.doc-table .d-meta { color: var(--muted); font-size: 13px; white-space: nowrap; }
.doc-dl { display: inline-flex; align-items: center; gap: 6px; color: var(--primary); font-weight: 600;
  font-size: 13.5px; text-decoration: none; border-radius: 8px; padding: 6px 12px; transition: color .2s, background .2s; }
.doc-dl:hover { background: #eef2f9; color: var(--primary-d); }
/* 早期 .doc-dl 带“↓”伪元素，现已用 SVG 图标替代，删除避免重复显示 */
.doc-empty { padding: 46px 20px; text-align: center; color: var(--muted); font-size: 14.5px; margin: 0; }
@media (max-width: 800px) {
  .doc-table th:nth-child(3), .doc-table td:nth-child(3),
  .doc-table th:nth-child(5), .doc-table td:nth-child(5) { display: none; }
}
@media (max-width: 560px) {
  .doc-table th:nth-child(4), .doc-table td:nth-child(4) { display: none; }
}

/* 样品申请 / 意见反馈：左侧说明栏 */
.sp-side h2 { font-size: 18px; margin: 0 0 16px; }
.sp-side h2 + * { margin-top: 0; }
.sp-steps { list-style: none; counter-reset: sp; margin: 0 0 34px; padding: 0; }
.sp-steps li { position: relative; padding-left: 44px; margin-bottom: 20px; counter-increment: sp; }
.sp-steps li::before { content: counter(sp); position: absolute; left: 0; top: 0;
  width: 28px; height: 28px; border-radius: 50%; background: var(--primary); color: #fff;
  display: grid; place-items: center; font-size: 13px; font-weight: 700; }
.sp-steps li:not(:last-child)::after { content: ""; position: absolute; left: 13.5px; top: 32px; bottom: -16px;
  width: 1px; background: var(--border-strong); }
.sp-steps b { display: block; font-size: 15px; margin-bottom: 3px; }
.sp-steps span { color: var(--muted); font-size: 13.5px; line-height: 1.6; }
.sp-notes { list-style: none; margin: 0; padding: 0; }
.sp-notes li { position: relative; padding-left: 18px; margin-bottom: 10px; color: var(--muted); font-size: 13.5px; line-height: 1.65; }
.sp-notes li::before { content: ""; position: absolute; left: 2px; top: 8px; width: 5px; height: 5px; border-radius: 50%; background: var(--primary); }
.sp-hours { margin-top: 18px; color: var(--muted); font-size: 13.5px; }

/* 表单：两列栅格 + 下拉/日期 + 反馈类型选择 */
.form-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 0 16px; }
.field.plain { margin-bottom: 20px; }
.field.plain > label, .field.plain .plain-label { position: static; display: block; margin-bottom: 8px;
  color: var(--muted); font-size: 13px; font-weight: 600; background: none; padding: 0; }
.field.plain select { width: 100%; background: var(--bg-soft); border: 1px solid var(--border); color: var(--text);
  border-radius: 10px; padding: 13px 14px; font-size: 15px; font-family: inherit; cursor: pointer; transition: border-color .2s; }
.field.plain select:focus { outline: none; border-color: var(--primary); background: #fff; }
.field input[type="date"] { color: var(--text); }
.field input[type="date"]:not(:focus):not(:valid) + label { top: -9px; font-size: 12px; background: #fff; }
.fb-types { display: flex; flex-wrap: wrap; gap: 8px; }
.fb-type { position: relative; display: inline-flex; align-items: center; gap: 7px; padding: 9px 15px;
  border: 1px solid var(--border); border-radius: 999px; background: var(--bg-soft); cursor: pointer;
  font-size: 13.5px; font-weight: 500; color: var(--muted); transition: all .2s; }
.fb-type:hover { border-color: var(--primary); color: var(--primary); }
.fb-type input { position: absolute; opacity: 0; pointer-events: none; }
/* .checked 由 JS 同步（兼容不支持 :has 的浏览器），:has 为渐进增强 */
.fb-type.checked { background: #eef2f9; border-color: var(--primary); color: var(--primary); font-weight: 600; }
.fb-type:has(input:checked) { background: #eef2f9; border-color: var(--primary); color: var(--primary); font-weight: 600; }
.fb-type:has(input:focus-visible) { box-shadow: 0 0 0 3px rgba(22,60,134,.14); }
@media (max-width: 700px) {
  .form-grid { grid-template-columns: 1fr; }
  .doc-search { flex: 1 1 100%; }
}

/* ---------- 滚动动画 ---------- */
.reveal { opacity: 0; transform: translateY(26px); transition: opacity .7s ease, transform .7s ease; }
.reveal.in { opacity: 1; transform: none; }

/* ---------- 响应式 ---------- */
@media (max-width: 900px) {
  .nav { position: fixed; top: var(--header-h); left: 0; right: 0; flex-direction: column; gap: 0; background: #fff; padding: 8px 0; border-bottom: 1px solid var(--border); transform: translateY(-130%); transition: transform .3s ease; z-index: 40; box-shadow: 0 12px 24px -16px rgba(0,0,0,.3); }
  .nav.open { transform: translateY(0); }
  .nav-item { width: 100%; }
  .nav a { padding: 13px 24px; width: 100%; }
  .dropdown { position: static; opacity: 1; visibility: visible; transform: none; box-shadow: none; border: none; border-radius: 0; min-width: 0; padding: 0 0 6px; background: transparent; }
  .dropdown::before { display: none; }
  .dropdown.wide { position: static; left: auto; right: auto; width: 100%; min-width: 0; transform: none; grid-template-columns: 1fr; gap: 4px 0; padding: 0; }
  .dropdown a { padding: 9px 42px; font-size: 14px; }
  .dropdown:not(.wide) { width: 100%; white-space: normal; }
  .dropdown:not(.wide) a { white-space: normal; }
  .menu-btn { display: flex; }
  .slide-inner { flex-direction: column; text-align: center; padding: 60px 0; }
  .slide-visual { margin-top: 10px; }
  .prod-grid, .app-grid, .support-grid { grid-template-columns: 1fr 1fr; }
  .about-grid, .contact-grid { grid-template-columns: 1fr; gap: 36px; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 600px) {
  .section { padding: 60px 0; }
  .slide { min-height: 480px; }
  .prod-grid, .app-grid, .support-grid { grid-template-columns: 1fr; }
  .stats { grid-template-columns: 1fr 1fr; }
  .news-row { flex-wrap: wrap; gap: 8px; }
  .news-title { flex-basis: 100%; }
  .footer-grid { grid-template-columns: 1fr; }
}

/* ============================================================
   页面跳转加载动画
   ============================================================ */
.page-loader {
  position: fixed; inset: 0; z-index: 9999;
  display: none; align-items: center; justify-content: center;
  background: rgba(255, 255, 255, .9); backdrop-filter: blur(3px);
}
.page-loader.active { display: flex; }
.loader-logo {
  width: 150px; height: auto;
  animation: logo-pulse 1.4s ease-in-out infinite;
}
@keyframes logo-pulse {
  0%, 100% { transform: scale(1); opacity: .6; }
  50% { transform: scale(1.08); opacity: 1; }
}

/* ============================================================
   瑞盟风格 table_list 模块（纯静态高仿）
   配色：品牌蓝 #163c86 / 背景灰 #f8f9fa / 行 hover #ECEEEE
   ============================================================ */
/* 全屏铺开：冲破容器限制，占满整个屏幕宽度 */
.table_list_wrap { display: flex; align-items: flex-start; gap: 0; padding: 8px 24px 40px; width: 100vw; margin-left: calc(50% - 50vw); }

/* 左侧分类树 */
.aside_menu { width: 260px; flex-shrink: 0; min-width: 0; background: #f8f9fa; border-radius: 12px; padding: 8px 0; margin-right: 28px; align-self: stretch; overflow: hidden; transition: width .3s ease, margin .3s ease, opacity .3s ease; }
.aside_menu .aside_menu_top { display: flex; justify-content: space-between; align-items: center; padding: 6px 12px 8px 18px; border-bottom: 1px solid rgba(127,144,163,.25); gap: 8px; }
.aside_menu .aside_menu_top .left span { font-size: 14px; font-weight: 700; color: #18212c; }
.aside_menu .aside_toggle { flex-shrink: 0; width: 28px; height: 28px; border: none; background: rgba(127,144,163,.16); border-radius: 50%; cursor: pointer; display: inline-flex; align-items: center; justify-content: center; font-size: 14px; line-height: 1; color: #18212c; transition: all .2s; }
.aside_menu .aside_toggle:hover { background: #163c86; color: #fff; }

/* 收起状态：左树整块消失，仅留一个浮动展开按钮（置于筛选栏首位） */
.table_list_wrap.aside-collapsed .aside_menu { width: 0; margin-right: 0; opacity: 0; padding-left: 0; padding-right: 0; }
.aside_float_btn { display: none; }
.table_list_wrap.aside-collapsed .aside_float_btn { display: inline-flex; align-items: center; gap: 7px; padding: 9px 16px; border: 1px solid var(--border-strong); background: #fff; border-radius: 8px; font-size: 13.5px; font-family: inherit; cursor: pointer; color: #18212c; box-shadow: 0 4px 12px -8px rgba(0,0,0,.25); transition: all .2s; animation: btnIn .25s ease; }
.table_list_wrap.aside-collapsed .aside_float_btn:hover { border-color: #163c86; color: #163c86; }
.table_list_wrap.aside-collapsed .aside_float_btn .ico { font-size: 15px; }

/* 一级分类：可上下展开 / 收缩（手风琴） */
.aside_menu_main { padding: 6px 0; }
.aside_group { }
.aside_menulv1 { display: flex; align-items: center; justify-content: space-between; cursor: pointer; }
.aside_menulv1 > a { display: block; flex: 1; font-size: 14px; line-height: 40px; color: #18212c; font-weight: 600; padding-left: 22px; }
.aside_menulv1 .caret { font-size: 11px; color: var(--muted); margin-right: 16px; transition: transform .2s; }
.aside_group.collapsed .aside_menulv1 .caret { transform: rotate(-90deg); }
.aside_sub { overflow: hidden; max-height: 500px; transition: max-height .3s ease; }
.aside_group.collapsed .aside_sub { max-height: 0; }
.aside_menulv2 { position: relative; }
.aside_menulv2 > a { display: block; font-size: 14px; line-height: 40px; color: #18212c; padding-left: 44px; transition: all .2s; }
.aside_menulv2 > a:hover { color: #163c86; }
.aside_menulv2.active > a { color: #163c86; font-weight: 700; }
.aside_menulv2.active::before { content: ""; position: absolute; left: 0; top: 8px; bottom: 8px; width: 3px; background: #163c86; border-radius: 0 3px 3px 0; }

/* 右侧列表 */
.table_list { flex: 1; min-width: 0; }
.addbox { margin-bottom: 14px; }

/* 筛选操作栏 */
.table_operate_box { display: flex; flex-wrap: wrap; align-items: center; gap: 10px; }
.filter-search input { padding: 9px 12px; border: 1px solid var(--border-strong); border-radius: 8px; font-size: 13.5px; font-family: inherit; width: 180px; }
.filter-search input:focus { outline: none; border-color: #163c86; box-shadow: 0 0 0 3px rgba(22,60,134,.12); }
.filter-select { position: relative; display: inline-block; vertical-align: middle; margin-left: 6px; }
.fs-trigger { position: relative; padding: 4px 7px; border: 1px solid transparent; border-radius: 7px; background: transparent; font-family: inherit; color: var(--muted); cursor: pointer; display: inline-flex; align-items: center; justify-content: center; line-height: 1; transition: all .2s; }
.fs-trigger:hover { background: rgba(22,60,134,.08); color: #163c86; }
.filter-select.open .fs-trigger { background: rgba(22,60,134,.12); color: #163c86; }
.filter-select.has-filter .fs-trigger { color: #163c86; }
.filter-select.has-filter .fs-trigger::after { content: ""; position: absolute; top: 1px; right: 1px; width: 6px; height: 6px; border-radius: 50%; background: #163c86; }
.fs-ico { display: block; }
.fs-pop { position: fixed; z-index: 999; min-width: 190px; max-height: 280px; overflow: auto; background: #fff; border: 1px solid var(--border-strong); border-radius: 10px; box-shadow: 0 16px 36px -14px rgba(0,0,0,.3); padding: 8px; display: none; }
.fs-pop::before, .fs-pop::after { content: ""; position: absolute; top: 0; left: 16px; border-left: 6px solid transparent; border-right: 6px solid transparent; border-bottom: 6px solid var(--border-strong); transform: translateY(-100%); pointer-events: none; }
.fs-pop::after { left: 17px; border-left-width: 5px; border-right-width: 5px; border-bottom: 5px solid #fff; }
.filter-select.open .fs-pop { display: block; animation: popIn .16s ease; }
.model-table th.th-filter { white-space: nowrap; }
@keyframes popIn { from { opacity: 0; transform: translateY(-4px); } to { opacity: 1; transform: none; } }
@keyframes btnIn { from { opacity: 0; transform: translateX(-6px); } to { opacity: 1; transform: none; } }
.fs-opts { display: flex; flex-direction: column; gap: 2px; }
.fs-opt { display: flex; align-items: center; gap: 8px; font-size: 13.5px; padding: 5px 6px; border-radius: 6px; cursor: pointer; }
.fs-opt:hover { background: #f1f4f8; }
.fs-opt input { accent-color: #163c86; }
.fs-foot { display: flex; justify-content: space-between; margin-top: 8px; padding-top: 8px; border-top: 1px solid var(--border); }
.fs-clear, .fs-ok { font-size: 13px; padding: 5px 12px; border-radius: 6px; border: 1px solid var(--border-strong); background: #fff; cursor: pointer; font-family: inherit; }
.fs-ok { background: #163c86; color: #fff; border-color: #163c86; }
.fs-ok:hover { opacity: .9; }
.filter-reset { margin-left: auto; padding: 9px 16px; border: 1px solid var(--border-strong); border-radius: 8px; background: #fff; font-size: 13.5px; font-family: inherit; cursor: pointer; transition: all .2s; }
.filter-reset:hover { border-color: #163c86; color: #163c86; }
.table_operate_box .count { color: var(--muted); font-size: 13.5px; white-space: nowrap; }

/* 活跃筛选 chip */
.active-chips { display: flex; flex-wrap: wrap; gap: 8px; align-items: center; }
.active-chips:empty { display: none; }
.chip { display: inline-flex; align-items: center; gap: 6px; font-size: 12.5px; padding: 4px 10px; background: #dfe6f5; color: #163c86; border-radius: 999px; }
.chip b { font-weight: 600; }
.chip-x { border: none; background: transparent; color: #163c86; font-size: 15px; line-height: 1; cursor: pointer; padding: 0 2px; }
.chip-x:hover { opacity: .6; }

/* 分页 */
.pagination { display: flex; gap: 6px; justify-content: flex-end; margin-top: 18px; }
.pagination:empty { display: none; }
.pg-btn { min-width: 34px; height: 34px; padding: 0 8px; border: 1px solid var(--border-strong); border-radius: 8px; background: #fff; font-size: 13.5px; font-family: inherit; color: #18212c; cursor: pointer; transition: all .2s; }
.pg-btn:hover:not(:disabled) { border-color: #163c86; color: #163c86; }
.pg-btn.active { background: #163c86; border-color: #163c86; color: #fff; }
.pg-btn:disabled { opacity: .4; cursor: not-allowed; }

/* 表格区卡片（瑞盟浅灰风） */
.pro_table_box { background: #fff; border: 1px solid var(--border); border-radius: 12px; padding: 0; overflow: hidden; }
.pro_table_box .table-wrap { border: 0; border-radius: 0; background: transparent; overflow-x: auto; }
.model-table tbody tr:hover { background: #ECEEEE; }
.pdf-col { display: none; }
.pdf-icon { display: inline-flex; align-items: center; margin-left: 8px; color: var(--primary); transition: color .2s; vertical-align: middle; }
.pdf-icon:hover { color: var(--primary-d); }
.pdf-icon svg { display: block; }

/* ========== 产品详情页（TI 风格） ========== */
.pd-section { padding-top: 40px; padding-bottom: 64px; }

/* hero 内状态 + 副标题 */
.pd-hero-meta { display: flex; align-items: center; gap: 14px; margin-top: 10px; flex-wrap: wrap; }
.pd-hero-sub { font-size: 15px; color: #ffffff; }
.pd-badge { display: inline-block; font-size: 13px; font-weight: 700; padding: 4px 14px; border-radius: 999px; }
.pd-badge.active { background: #e6f9ed; color: #1a8a4a; }
.pd-badge.sample { background: #fff4e6; color: #b87d1a; }

/* 顶部两栏 */
.pd-top { display: flex; gap: 48px; align-items: flex-start; margin-bottom: 56px; }
.pd-top-main { flex: 1 1 0; min-width: 0; }
.pd-top-side { flex: 0 0 320px; }
.pd-overview-desc { font-size: 16px; line-height: 1.8; color: var(--text); margin: 0 0 28px; }

/* 关键规格卡片 */
.pd-keypoints { display: grid; grid-template-columns: repeat(3, 1fr); gap: 14px; }
.pd-kp { background: #f8f9fa; border: 1px solid var(--border); border-radius: 10px; padding: 14px 16px; }
.pd-kp .k { font-size: 12.5px; color: var(--muted); margin-bottom: 6px; }
.pd-kp .v { font-size: 16px; font-weight: 700; color: var(--text); }

/* 右侧示意图 + 操作 */
.pd-thumb { background: linear-gradient(135deg,#eef3fb,#f8f9fa); border: 1px solid var(--border); border-radius: 14px; aspect-ratio: 4/3; display: flex; align-items: center; justify-content: center; color: var(--muted); font-size: 14px; margin-bottom: 0; min-height: 0; padding: 18px; }
.pd-thumb-img { width: 100%; height: 100%; object-fit: contain; }
/* 操作按钮：hero 右侧，上下排列 */
.page-hero .pd-actions {
  flex: 0 0 auto;
  display: flex;
  flex-direction: column;
  gap: 14px;
  align-items: flex-end;
}
.page-hero .pd-actions .btn {
  padding: 12px 26px;
  font-size: 15px;
  font-weight: 600;
  gap: 8px;
  border-radius: 999px;
  min-width: 170px;
  justify-content: center;
}
.page-hero .pd-actions .btn svg { width: 18px; height: 18px; }
.page-hero .pd-actions .btn-primary { background: #fff; color: var(--primary); border-color: #fff; }
.page-hero .pd-actions .btn-primary:hover { background: rgba(255,255,255,.9); transform: translateY(-2px); box-shadow: 0 12px 28px -10px rgba(0,0,0,.25); }
.page-hero .pd-actions .btn-outline { background: transparent; color: #fff; border-color: rgba(255,255,255,.65); }
.page-hero .pd-actions .btn-outline:hover { background: #fff; color: var(--primary); border-color: #fff; transform: translateY(-2px); }
.pd-dl-btn svg { vertical-align: -3px; }

/* 区块标题 */
.pd-heading { font-size: 20px; font-weight: 700; color: var(--text); margin: 0 0 20px; padding-left: 12px; border-left: 4px solid var(--primary); }

/* 参数表 */
.spec-table { width: 100%; border-collapse: collapse; margin-bottom: 56px; }
.spec-table th, .spec-table td { padding: 13px 20px; text-align: left; font-size: 14px; border-bottom: 1px solid var(--border); }
.spec-table th { width: 240px; color: var(--muted); font-weight: 600; background: #f8f9fa; white-space: nowrap; }
.spec-table td { color: var(--text); }
.spec-table tr:last-child th, .spec-table tr:last-child td { border-bottom: 0; }

/* 技术文档表 */
.doc-table { width: 100%; border-collapse: collapse; }
.doc-table th { background: #f8f9fa; font-size: 13px; color: var(--muted); font-weight: 600; text-align: left; padding: 11px 16px; border-bottom: 1px solid var(--border-strong); }
.doc-table td { padding: 11px 16px; font-size: 14px; border-bottom: 1px solid var(--border); vertical-align: middle; }
.doc-table .doc-type { color: var(--muted); white-space: nowrap; }
.doc-table .doc-title { color: var(--text); font-weight: 600; }
.doc-table .doc-dl-cell, .doc-table .doc-dl-h { text-align: center; width: 44px; }
/* 文档下载页的表在 .doc-table-wrap 卡片内，不需要底部外边距（翻页在卡片外）；产品详情页的裸表保留间距 */
.doc-table-wrap .doc-table { margin-bottom: 0; }
.pd-docs .doc-table, .pd-order .doc-table { margin-bottom: 56px; }
.doc-dl { display: inline-flex; align-items: center; justify-content: center; padding: 0; border-radius: 6px; color: var(--primary); text-decoration: none; transition: background .2s, color .2s; }
.doc-dl:hover { background: #eef2f9; color: var(--primary-d); }
.doc-dl.is-placeholder { color: #c4ccd8; cursor: not-allowed; pointer-events: none; opacity: .7; }
.doc-dl.is-placeholder .pdf-ic path { fill: #b6c0cd !important; }
.pdf-ic { display: block; width: 22px; height: 22px; }
/* 订购信息表：首列型号突出 */
.order-table .doc-model { font-weight: 700; color: var(--primary); white-space: nowrap; }
.order-table th:first-child, .order-table td:first-child { white-space: nowrap; }

/* 描述 */
.pd-desc { margin-bottom: 56px; }
.pd-desc p { font-size: 15px; line-height: 1.9; color: var(--text); }

/* 相关产品 */
.pd-related-list { display: flex; flex-wrap: wrap; gap: 14px; }
.pd-rel-card { display: inline-flex; align-items: center; gap: 8px; padding: 10px 20px; border: 1px solid var(--border); border-radius: 10px; text-decoration: none; color: var(--text); font-size: 14px; transition: all .2s; background: #fff; }
.pd-rel-card:hover { border-color: var(--primary); color: var(--primary); box-shadow: 0 4px 14px -6px rgba(22,60,134,.18); }
.pd-rel-model { font-weight: 700; }
.pd-rel-status { font-size: 12px; padding: 2px 8px; border-radius: 999px; }
.pd-rel-status.active { background: #e6f9ed; color: #1a8a4a; }
.pd-rel-status.sample { background: #fff4e6; color: #b87d1a; }

@media (max-width: 900px) {
  .page-hero .container.pd-hero-row { flex-direction: column; align-items: flex-start; gap: 28px; }
  .page-hero .pd-actions { flex-direction: row; align-items: stretch; width: 100%; }
  .page-hero .pd-actions .btn { flex: 1 1 auto; min-width: 0; }
  .pd-top { flex-direction: column; }
  .pd-top-side { flex: 1 1 auto; width: 100%; }
  .pd-keypoints { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 900px) {
  .table_list_wrap { flex-direction: column; }
  .aside_menu { width: 100%; margin-right: 0; margin-bottom: 20px; }
}

/* 应用详情页：系统框图 + 推荐产品 */
.page-hero .sol-lead{ max-width:780px; margin:12px 0 0; color:#ffffff; font-size:16px; line-height:1.75;}
/* 一体化卡片容器：左 80% 框图 / 右 20% 产品侧栏（4fr:1fr；用 fr 而非 % 以免 gap 溢出） */
.sol-bd{ display:grid; grid-template-columns:minmax(0,4fr) minmax(0,1fr);
  background:#fff; border:1px solid var(--border,#e5e7eb); border-radius:14px; overflow:hidden;
  box-shadow:0 2px 12px rgba(16,24,40,.05); margin-top:6px;}
.sol-sec-title{ font-size:20px; font-weight:700; color:var(--text,#1f2937); margin:0 0 18px; padding-left:12px; border-left:3px solid var(--primary,#163c86); line-height:1.25;}

/* 左：系统框图（共用容器外框，不再单独描边，避免割裂） */
.sol-diagram{ padding:24px 26px 28px;}
.sol-diagram .bd-box{ border:1px solid #dbe3f2; border-radius:12px; padding:24px; min-height:300px; display:flex; align-items:center; justify-content:center;
  background:linear-gradient(180deg,#f7f9fd 0%,#eef2f9 100%);}

/* 右：推荐产品侧栏（浅底 + 左侧分隔线，与框图构成同一张卡片） */
.sol-products{ padding:24px 20px 28px; background:#f8fafc; border-left:1px solid var(--border,#e5e7eb);}
.sol-products .sol-sec-title{ font-size:16px; margin:0 0 14px;}

/* 折叠菜单：分组=品类，展开后为与当前方案相关的型号 */
.prod-groups{ display:grid; gap:10px;}
.pg-item{ background:#fff; border:1px solid var(--border,#e5e7eb); border-radius:10px; overflow:hidden; transition:border-color .2s, box-shadow .2s;}
.pg-item.open{ border-color:#b3c2de; box-shadow:0 4px 14px rgba(22,60,134,.08);}
.pg-head{ width:100%; display:flex; align-items:center; justify-content:space-between; gap:8px;
  padding:11px 13px; background:none; border:0; cursor:pointer; text-align:left;
  font-family:inherit; font-size:14px; font-weight:600; color:var(--text,#1f2937);}
.pg-head:hover .pg-name{ color:var(--primary,#163c86);}
.pg-name{ flex:1; min-width:0; transition:color .2s;}
.pg-caret{ flex:none; width:7px; height:7px; margin-right:3px; border-right:2px solid #9aa4b2; border-bottom:2px solid #9aa4b2;
  transform:rotate(45deg); transition:transform .25s, border-color .2s;}
.pg-item.open .pg-caret{ transform:rotate(-135deg); border-color:var(--primary,#163c86);}
/* 展开/收起：高度 0 → 内容高度由 JS 写入 max-height，保证平滑过渡 */
.pg-body{ max-height:0; padding:0 8px; overflow:hidden; opacity:0;
  transition:max-height .34s cubic-bezier(.4,0,.2,1), padding .34s cubic-bezier(.4,0,.2,1), opacity .24s ease;}
.pg-item.open .pg-body{ padding:2px 8px 8px; opacity:1; max-height:600px;} /* max-height 兜底（JS 未接管时首项仍可见），JS 会写入精确值 */
.pg-body > *{ transform:translateY(-4px); transition:transform .30s cubic-bezier(.4,0,.2,1);}
.pg-item.open .pg-body > *{ transform:none;}
@media (prefers-reduced-motion:reduce){
  .pg-body, .pg-body > *{ transition:none;}
}
.pg-model{ display:block; padding:7px 10px; border-radius:7px; color:#4b5563; text-decoration:none;
  font-size:13px; font-weight:500; font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;
  transition:background .2s, color .2s;}
.pg-model:hover{ background:#eef2f9; color:var(--primary,#163c86);}
.pg-all{ display:block; margin-top:4px; padding:8px 10px 2px; border-top:1px dashed var(--border,#e5e7eb);
  color:var(--primary,#163c86); text-decoration:none; font-size:12.5px; font-weight:600;}
.pg-all:hover{ text-decoration:underline;}
@media(max-width:900px){
  .sol-bd{ grid-template-columns:1fr; }
  .sol-products{ border-left:0; border-top:1px solid var(--border,#e5e7eb); }
}
@media(max-width:600px){
  .sol-diagram{ padding:18px 16px 20px; }
  .sol-diagram .bd-box{ min-height:200px; padding:16px; }
}