/* ============================================================
   南京润钧技术有限公司 · 官网设计系统 v2
   精密仪器品牌 · 克制高级感（白底 + 蓝 #0f2db3 强调）
   ============================================================ */
/* 字体：MiSans 由页面 head 内 <link> 加载（含 preconnect），此处不再 @import 以免阻塞渲染 */

:root {
  /* 中性色（带蓝调的灰，避免纯灰死板） */
  --bg: #ffffff;
  --bg-soft: #f4f7fc;
  --bg-blue: #edf3ff;
  --panel: #ffffff;
  --panel-soft: #f8fafd;
  --line: #e4eaf3;
  --line-strong: #d3dce9;
  --ink: #0d1b33;
  --ink-2: #33415c;
  --text: #0f1e38;
  --text-dim: #54637e;
  --text-faint: #8b99b1;

  /* 品牌蓝（扩展色阶） */
  --blue: #0f2db3;
  --blue-600: #12359c;
  --blue-dark: #0a2b8a;
  --blue-deep: #071a52;
  --blue-soft: rgba(15,45,179,.08);
  --blue-softer: rgba(15,45,179,.045);
  --blue-grad: linear-gradient(120deg, #0f2db3, #2b59ff);
  --blue-grad-deep: linear-gradient(120deg, #0a2b8a, #0f2db3);

  /* 夜蓝（Hero / 页脚 / CTA） */
  --navy-900: #051530;
  --navy-800: #081f44;
  --navy-700: #0a2778;

  --cyan: #0e9aa8;
  --violet: #6d5cf0;
  --amber: #d97706;
  --green: #16a34a;

  --footer-bg: #061530;
  --footer-text: #a9b8d0;

  --radius: 16px;
  --radius-sm: 10px;
  --max-w: 1200px;

  --font: "MiSans", "SF Pro Display", -apple-system, BlinkMacSystemFont, "PingFang SC", "HarmonyOS Sans SC", "Microsoft YaHei", Arial, sans-serif;
  --font-head: "MiSans", -apple-system, "PingFang SC", "HarmonyOS Sans SC", "Source Han Sans SC", "Noto Sans SC", "Microsoft YaHei", sans-serif;

  /* 分层阴影（ambient + key） */
  --shadow-sm: 0 1px 2px rgba(13,27,51,.04), 0 3px 10px rgba(13,27,51,.05);
  --shadow-md: 0 2px 6px rgba(13,27,51,.05), 0 14px 34px rgba(13,27,51,.09);
  --shadow-lg: 0 4px 12px rgba(13,27,51,.06), 0 30px 64px rgba(13,27,51,.14);
  --shadow-blue: 0 10px 26px rgba(15,45,179,.30);
}

* { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; }

body {
  background: var(--bg);
  color: var(--text);
  font-family: var(--font);
  font-size: 15px;
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  text-rendering: optimizeLegibility;
  font-synthesis-weight: none;
}

a { color: inherit; text-decoration: none; }
img { max-width: 100%; display: block; }
ul, ol { list-style: none; }

.container { max-width: var(--max-w); margin: 0 auto; padding: 0 28px; }

/* ============ 顶部信息条 ============ */
.topbar {
  background: linear-gradient(90deg, #071a52, #0a2b8a);
  color: #fff;
  font-size: 13px;
}
.topbar .container {
  display: flex; justify-content: space-between; align-items: center;
  height: 36px; gap: 16px;
}
.topbar b { font-weight: 700; letter-spacing: .3px; color: #9fc3ff; }
.topbar .right { white-space: nowrap; }

/* ============ 导航 ============ */
.site-header {
  position: sticky; top: 0; z-index: 100;
  background: rgba(255,255,255,.92);
  backdrop-filter: blur(14px);
  border-bottom: 1px solid var(--line);
  transition: box-shadow .3s;
}
.nav-wrap { display: flex; justify-content: space-between; align-items: center; height: 72px; }

.brand { display: flex; align-items: center; gap: 12px; }
.brand .logo-img {
  height: 44px; width: auto;
  display: block;
}

.main-nav { display: flex; align-items: center; gap: 2px; }
.main-nav a {
  padding: 8px 15px; border-radius: 8px;
  font-size: 14.5px; color: var(--text-dim);
  transition: all .2s;
}
.main-nav a:hover { color: var(--blue); background: var(--blue-soft); }
.main-nav a.active {
  color: var(--blue); font-weight: 600;
  box-shadow: inset 0 -2px 0 var(--blue);
}
.main-nav a.nav-cta {
  margin-left: 8px;
  background: var(--blue); color: #fff;
  font-weight: 600;
}
.main-nav a.nav-cta:hover { background: var(--blue-dark); color: #fff; }

.nav-toggle {
  display: none;
  background: none; border: 1px solid var(--line-strong);
  border-radius: 8px; cursor: pointer;
  width: 42px; height: 40px;
  flex-direction: column; align-items: center; justify-content: center; gap: 5px;
}
.nav-toggle span {
  display: block; width: 18px; height: 2px; border-radius: 2px;
  background: var(--text); transition: transform .25s ease, opacity .2s ease;
}
.nav-toggle.open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav-toggle.open span:nth-child(2) { opacity: 0; }
.nav-toggle.open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* ============ 首页 Hero（产品图轮播 Banner） ============ */
.hero {
  position: relative;
  color: #fff;
  background: linear-gradient(135deg, #062a66 0%, #004fb3 55%, #0b3fa0 100%);
  overflow: hidden;
}
.hero::before {
  content: ""; position: absolute; inset: 0;
  background:
    radial-gradient(900px 520px at 82% -12%, rgba(255,255,255,.10), transparent 58%),
    radial-gradient(720px 420px at 8% 115%, rgba(0,0,0,.22), transparent 60%);
  pointer-events: none;
}
.hero-slides { position: relative; min-height: 560px; }
.hero-slide {
  position: absolute; inset: 0;
  display: flex; align-items: center;
  padding: 120px 0 104px;
  opacity: 0; transition: opacity 1s ease;
  z-index: 0; pointer-events: none;
}
.hero-slide.active { opacity: 1; z-index: 1; pointer-events: auto; }
.hero-row {
  display: grid; grid-template-columns: 1fr 1fr; gap: 56px;
  align-items: center; width: 100%;
}
.hero-text { position: relative; z-index: 1; }
.hero-text .kicker {
  display: inline-block;
  font-size: 12px; font-weight: 700; letter-spacing: 2px;
  color: rgba(255,255,255,.85);
  background: rgba(255,255,255,.12);
  border: 1px solid rgba(255,255,255,.30);
  padding: 6px 14px; border-radius: 999px;
  margin-bottom: 18px;
  backdrop-filter: blur(6px);
}
.hero-text h1, .hero-text h2 {
  font-size: 42px; line-height: 1.20; font-weight: 800;
  letter-spacing: .5px; color: #fff;
  font-family: var(--font-head);
  margin-bottom: 14px;
}
.hero-text p {
  font-size: 16px; color: rgba(255,255,255,.85);
  max-width: 460px; margin-bottom: 28px;
}
.hero-text .btn-gold { border-radius: 10px; }
.hero-media {
  display: flex; align-items: center; justify-content: center;
  min-height: 360px;
}
.hero-media img {
  max-height: 380px; max-width: 100%;
  object-fit: contain;
  border-radius: 12px;
  filter: drop-shadow(0 24px 50px rgba(0,0,0,.35));
}
.hero-dots {
  position: absolute; left: 0; right: 0; bottom: 26px;
  display: flex; justify-content: center; gap: 10px;
  z-index: 2;
}
.hero-dots button {
  width: 26px; height: 4px; border-radius: 999px;
  border: none; padding: 0; cursor: pointer;
  background: rgba(255,255,255,.35);
  transition: background .3s ease;
}
.hero-dots button.active { background: #fff; }

/* ============ 通用区块 ============ */
.section { padding: 84px 0; }
.section.tight { padding: 60px 0; }
.section-head { margin-bottom: 44px; text-align: center; }
.section-head .kicker {
  display: inline-block;
  font-size: 12px; font-weight: 700; letter-spacing: 2.5px;
  color: var(--blue);
  margin-bottom: 10px;
}
.section-head .kicker::before, .section-head .kicker::after {
  content: ""; display: inline-block; vertical-align: middle;
  width: 22px; height: 2px; border-radius: 2px;
  background: linear-gradient(90deg, transparent, var(--blue));
  margin: 0 10px;
}
.section-head .kicker::after { background: linear-gradient(90deg, var(--blue), transparent); }
.section-head h2 { font-size: 30px; font-weight: 800; letter-spacing: .5px; font-family: var(--font-head); }
.section-head p { color: var(--text-dim); margin-top: 10px; max-width: 640px; margin-inline: auto; }

/* ============ 产品线卡片 ============ */
.grid { display: grid; gap: 22px; }
.grid-2 { grid-template-columns: repeat(2, 1fr); }
.grid-3 { grid-template-columns: repeat(3, 1fr); }
.grid-4 { grid-template-columns: repeat(4, 1fr); }

.line-card {
  position: relative;
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 16px;
  padding: 30px 26px 26px;
  transition: all .25s ease;
  box-shadow: var(--shadow-sm);
  overflow: hidden;
}
.line-card::before {
  content: ""; position: absolute; top: 0; left: 0; right: 0; height: 3px;
  background: var(--blue-grad);
  opacity: 0; transition: opacity .25s;
}
.line-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
  border-color: rgba(15,45,179,.45);
}
.line-card:hover::before { opacity: 1; }
.line-card .lc-num {
  font-size: 12px; font-weight: 800; letter-spacing: 1px;
  color: var(--blue);
  border: 1px solid rgba(15,45,179,.25);
  background: var(--blue-soft);
  display: inline-block;
  padding: 3px 11px; border-radius: 999px;
  margin-bottom: 16px;
}
.line-card h3 { font-size: 19px; font-weight: 700; font-family: var(--font-head); margin-bottom: 8px; }
.line-card .lc-brand { font-size: 12.5px; color: var(--text-faint); margin-bottom: 12px; letter-spacing: .5px; }
.line-card p { font-size: 13.5px; color: var(--text-dim); line-height: 1.8; margin-bottom: 16px; }
.line-card .lc-tags { display: flex; flex-wrap: wrap; gap: 8px; }
.line-card .lc-tags span {
  font-size: 12px; color: var(--text-dim);
  background: var(--panel-soft);
  border: 1px solid var(--line);
  padding: 3px 10px; border-radius: 999px;
}
.line-card .lc-link { font-size: 13.5px; font-weight: 600; color: var(--blue); }
.line-card .lc-link a:hover { color: var(--blue-dark); }

/* ============ 通用卡片 ============ */
.card {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 16px;
  overflow: hidden;
  transition: transform .25s ease, box-shadow .25s ease, border-color .25s;
  box-shadow: var(--shadow-sm);
}
.card:hover { transform: translateY(-4px); box-shadow: var(--shadow-md); border-color: rgba(15,45,179,.35); }

/* ============ 按钮 ============ */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  padding: 12px 26px;
  border-radius: 10px;
  font-size: 15px; font-weight: 600;
  transition: all .2s ease;
  cursor: pointer;
  border: 1px solid transparent;
}
.btn-primary { background: var(--blue-grad); color: #fff; box-shadow: 0 8px 22px rgba(15,45,179,.32); }
.btn-primary:hover { background: linear-gradient(120deg, #0a2b8a, #0f2db3); transform: translateY(-1px); }
.btn-gold {
  background: var(--blue-grad); color: #fff;
  border-radius: 10px;
  box-shadow: 0 8px 22px rgba(15,45,179,.32);
}
.btn-gold:hover { background: linear-gradient(120deg, #0a2b8a, #0f2db3); transform: translateY(-1px); }
.btn-outline { border-color: var(--line-strong); color: var(--text); background: var(--panel); }
.btn-outline:hover { border-color: var(--blue); color: var(--blue); }
.btn-ghost { color: var(--blue); background: transparent; }
.btn-ghost:hover { background: var(--blue-soft); }
.btn-sm { padding: 8px 16px; font-size: 13px; border-radius: 8px; }

/* ============ 页面横幅 ============ */
.page-banner {
  padding: 56px 0 48px;
  position: relative;
  background:
    radial-gradient(700px 220px at 88% -20%, rgba(15,45,179,.14), transparent 60%),
    radial-gradient(520px 200px at 6% 120%, rgba(15,45,179,.10), transparent 60%),
    linear-gradient(180deg, #f2f6fd, #ffffff);
  border-bottom: 1px solid var(--line);
  overflow: hidden;
}
.page-banner .kicker {
  font-size: 12px; font-weight: 700; letter-spacing: 2.5px;
  color: var(--blue); margin-bottom: 8px;
}
.page-banner h1 { font-size: 32px; font-weight: 800; letter-spacing: .5px; font-family: var(--font-head); }
.page-banner h1::after {
  content: ""; display: block; width: 52px; height: 4px; border-radius: 4px;
  background: var(--blue); margin-top: 12px;
}
.page-banner p { color: var(--text-dim); margin-top: 10px; max-width: 720px; }
.page-banner .crumbs { margin-top: 18px; font-size: 13px; color: var(--text-faint); }
.page-banner .crumbs a { color: var(--text-dim); }
.page-banner .crumbs a:hover { color: var(--blue); }

/* ============ 产品中心 ============ */
.cat-tabs {
  display: flex; gap: 10px; flex-wrap: wrap; justify-content: center;
  margin-bottom: 52px;
}
.cat-tabs a {
  padding: 9px 22px; border-radius: 999px;
  font-size: 14px; font-weight: 600;
  color: var(--text-dim);
  border: 1px solid var(--line-strong);
  background: var(--panel);
  transition: all .2s;
}
.cat-tabs a:hover { border-color: var(--blue); color: var(--blue); }
.cat-tabs a.cta-link {
  background: var(--blue-grad); color: #fff; border-color: transparent;
  box-shadow: 0 8px 20px rgba(15,45,179,.3);
}
.cat-tabs a.cta-link:hover { background: linear-gradient(120deg, #0a2b8a, #0f2db3); }

.category-block { margin-bottom: 88px; }
.category-block:last-child { margin-bottom: 0; }
.category-title {
  display: flex; align-items: center; gap: 14px; flex-wrap: wrap;
  margin-bottom: 22px;
  scroll-margin-top: 100px;
}
.category-title .num {
  font-size: 12px; font-weight: 800; letter-spacing: 1px;
  color: var(--blue);
  border: 1px solid rgba(15,45,179,.25);
  background: var(--blue-soft);
  padding: 3px 12px; border-radius: 999px;
}
.category-title h3 { font-size: 24px; font-weight: 800; color: var(--text); font-family: var(--font-head); }
.category-title small { color: var(--text-faint); font-size: 13px; }
.category-desc { margin: -6px 0 24px; max-width: 820px; font-size: 14px; color: var(--text-dim); }

/* 产品卡片 */
.prod-card {
  border-radius: 16px;
  display: flex;
  flex-direction: column;
}
.prod-card .thumb {
  background: #ffffff;
  border-bottom: 1px solid var(--line);
  height: 185px;
  display: flex; align-items: center; justify-content: center;
  position: relative;
}
.prod-card .thumb img {
  width: 100%; height: 100%;
  object-fit: cover;
  transition: transform .35s ease;
}
.prod-card:hover .thumb img { transform: scale(1.05); }
.prod-card .body {
  padding: 20px 22px 22px;
  flex: 1;
  display: flex;
  flex-direction: column;
}
.prod-card .body .brand-line {
  font-size: 11.5px; font-weight: 700; letter-spacing: .5px;
  margin-bottom: 5px;
}
.prod-card .body .brand-line.b-r { color: var(--blue); }
.prod-card .body .brand-line.b-b { color: var(--violet); }
.prod-card .body .brand-line.b-c { color: var(--cyan); }
.prod-card .body .brand-line.b-h { color: var(--amber); }
.prod-card .body h3 { font-size: 18px; font-weight: 700; font-family: var(--font-head); }
.prod-card .body .subname { font-size: 13px; color: var(--text-dim); margin-bottom: 10px; }
.prod-card .body .desc {
  font-size: 13px; color: var(--text-dim); margin-bottom: 12px;
  display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden;
}

/* 核心特点 */
.specs-head {
  margin-top: 12px; font-size: 11px; color: var(--text-faint); letter-spacing: 1px;
}
.specs { margin-top: 6px; display: grid; gap: 6px; }
.specs li {
  font-size: 12.5px; color: var(--text-dim);
  display: flex; gap: 8px; align-items: baseline;
}
.specs li::before { content: "·"; color: var(--blue); font-weight: 800; }

/* 卡片标签 */
.prod-card .meta { display: flex; justify-content: center; margin-top: 14px; }
.tag {
  font-size: 11.5px; padding: 2px 10px; border-radius: 999px;
  border: 1px solid var(--line-strong); color: var(--text-dim);
  background: var(--panel-soft);
}
.tag.cyan { color: var(--cyan); border-color: rgba(14,154,168,.3); background: rgba(14,154,168,.07); }
.tag.amber { color: var(--amber); border-color: rgba(217,119,6,.3); background: rgba(217,119,6,.07); }
.tag.violet { color: var(--violet); border-color: rgba(109,92,240,.3); background: rgba(109,92,240,.07); }

/* 询价入口 */
.prod-card .quote-line {
  margin-top: auto; padding-top: 14px;
  border-top: 1px dashed var(--line-strong);
  display: flex; align-items: center; justify-content: space-between; gap: 8px;
}
.prod-card .quote-line .code { font-size: 12px; color: var(--text-faint); }
.prod-card .quote-line a {
  font-size: 13px; font-weight: 600; color: #fff;
  padding: 6px 16px;
  background: var(--blue);
  border-radius: 9px;
  transition: all .2s;
  box-shadow: 0 4px 12px rgba(15,45,179,.3);
}
.prod-card .quote-line a:hover { box-shadow: 0 6px 18px rgba(15,45,179,.5); transform: translateY(-1px); }

/* ============ 关于页 ============ */
.about-grid { display: grid; grid-template-columns: 1.15fr .85fr; gap: 56px; align-items: center; }
.about-text h2 { font-size: 30px; font-weight: 800; margin-bottom: 18px; font-family: var(--font-head); }
.about-text p { color: var(--text-dim); line-height: 1.95; margin-bottom: 14px; }
.about-card {
  background: linear-gradient(160deg, #eef4ff, #f0f5ff);
  border: 1px solid rgba(15,45,179,.22);
  border-radius: 16px;
  padding: 28px;
  box-shadow: var(--shadow-md);
}
.about-card h3 { font-size: 18px; font-weight: 700; margin-bottom: 16px; font-family: var(--font-head); color: var(--text); }
.about-list { list-style: none; display: grid; gap: 12px; }
.about-list li {
  position: relative; padding-left: 16px;
  font-size: 14px; color: var(--text-dim); line-height: 1.8;
}
.about-list li::before {
  content: ""; position: absolute; left: 0; top: 10px;
  width: 6px; height: 6px; border-radius: 50%; background: var(--blue);
}

/* 时间线 */
.timeline { position: relative; max-width: 820px; margin: 0 auto; }
.timeline::before {
  content: ""; position: absolute; left: 8px; top: 6px; bottom: 6px;
  width: 2px; background: linear-gradient(180deg, var(--blue), rgba(15,45,179,.15));
  opacity: .4;
}
.tl-item { position: relative; padding: 0 0 30px 40px; }
.tl-item::before {
  content: ""; position: absolute; left: 2px; top: 8px;
  width: 14px; height: 14px; border-radius: 50%;
  background: var(--blue); border: 3px solid #fff;
  box-shadow: 0 0 0 2px rgba(15,45,179,.35);
}
.tl-item .year { font-size: 13px; font-weight: 700; color: var(--blue); letter-spacing: 1px; margin-bottom: 4px; }
.tl-item p { color: var(--text-dim); font-size: 14px; }

/* 资质网格 */
.cert-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
.cert-card {
  border: 1px solid var(--line); border-radius: 16px;
  padding: 24px; background: var(--panel);
  box-shadow: var(--shadow-sm);
  text-align: center;
  transition: all .25s;
}
.cert-card:hover { transform: translateY(-3px); box-shadow: var(--shadow-md); border-color: rgba(15,45,179,.45); }
.cert-card .cert-ic {
  width: 52px; height: 52px; margin: 0 auto 14px;
  border-radius: 12px;
  background: var(--blue-soft);
  display: flex; align-items: center; justify-content: center;
  color: var(--blue);
}
.cert-card h4 { font-size: 15px; font-weight: 700; margin-bottom: 6px; }
.cert-card p { font-size: 12.5px; color: var(--text-faint); }

/* ============ 新闻页 ============ */
.news-list { display: grid; gap: 14px; max-width: 880px; margin: 0 auto; }
.news-list.news-grid { grid-template-columns: repeat(2, 1fr); max-width: none; gap: 16px; align-items: stretch; }
.news-item {
  display: flex; gap: 22px; align-items: flex-start;
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 14px;
  padding: 18px 22px;
  transition: all .2s;
}
.news-item:hover { border-color: rgba(15,45,179,.45); box-shadow: var(--shadow-md); transform: translateY(-2px); }
.news-item .date {
  flex-shrink: 0; text-align: center;
  width: 62px; padding: 8px 0;
  border: 1px solid rgba(15,45,179,.25);
  background: var(--blue-soft);
  border-radius: var(--radius-sm);
}
.news-item .date b { display: block; font-size: 22px; font-weight: 800; color: var(--blue); line-height: 1.1; font-family: var(--font-head); }
.news-item .date span { font-size: 12px; color: var(--text-dim); }
.news-item .n-body h3 { font-size: 16.5px; font-weight: 700; margin-bottom: 6px; }
.news-item .n-body h3 a:hover { color: var(--blue); }
.news-item .n-body p { font-size: 13.5px; color: var(--text-dim); }
.news-item .n-body .n-cat {
  display: inline-block; margin-top: 8px;
  font-size: 11.5px; color: var(--blue);
  background: var(--blue-soft);
  padding: 2px 10px; border-radius: 999px;
}

/* ============ 联系页 ============ */
.contact-grid { display: grid; grid-template-columns: .9fr 1.1fr; gap: 52px; align-items: start; }
.contact-info .ci-item {
  display: flex; gap: 16px; align-items: flex-start;
  padding: 18px 0; border-bottom: 1px solid var(--line);
}
.contact-info .ci-item:last-child { border-bottom: none; }
.contact-info .ci-ic {
  width: 44px; height: 44px; flex-shrink: 0;
  border-radius: 11px;
  background: var(--blue-soft);
  display: flex; align-items: center; justify-content: center;
  color: var(--blue);
}
.contact-info .ci-item b { display: block; font-size: 15px; margin-bottom: 2px; }
.contact-info .ci-item p { font-size: 13.5px; color: var(--text-dim); }

.form-card {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 16px;
  padding: 30px;
  box-shadow: var(--shadow-md);
}
.form-card h3 { font-size: 20px; font-weight: 800; margin-bottom: 22px; font-family: var(--font-head); }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; margin-bottom: 16px; }
.form-field label {
  display: block; font-size: 13px; font-weight: 600; color: var(--text-dim);
  margin-bottom: 7px;
}
.form-field input, .form-field select, .form-field textarea {
  width: 100%; padding: 11px 14px;
  border: 1px solid var(--line-strong); border-radius: 9px;
  font-size: 14px; font-family: var(--font);
  background: var(--panel); color: var(--text);
  transition: border-color .2s, box-shadow .2s;
  outline: none;
}
.form-field input:focus, .form-field select:focus, .form-field textarea:focus {
  border-color: var(--blue);
  box-shadow: 0 0 0 3px rgba(15,45,179,.12);
}
.form-field textarea { resize: vertical; min-height: 110px; }

/* ============ CTA 块 ============ */
.cta-box {
  position: relative;
  background:
    radial-gradient(500px 260px at 88% -20%, rgba(43,89,255,.4), transparent 60%),
    linear-gradient(135deg, #081a3a, #0f3f9e 55%, #1d63e0);
  border-radius: 20px;
  padding: 54px 48px;
  text-align: center;
  color: #fff;
  overflow: hidden;
  box-shadow: 0 24px 60px rgba(15,63,158,.35);
}
.cta-box::before {
  content: ""; position: absolute; top: -60px; right: -60px;
  width: 220px; height: 220px; border-radius: 50%;
  background: radial-gradient(circle, rgba(43,89,255,.55), transparent 65%);
  pointer-events: none;
}
.cta-box h2 { font-size: 28px; font-weight: 800; margin-bottom: 12px; font-family: var(--font-head); }
.cta-box p { color: rgba(255,255,255,.85); max-width: 620px; margin: 0 auto 28px; font-size: 15px; }
.cta-box .actions { display: flex; gap: 14px; justify-content: center; flex-wrap: wrap; position: relative; z-index: 1; }
.cta-box .btn-gold { background: #fff; color: var(--blue-deep); border-radius: 10px; }
.cta-box .btn-ghost { color: #fff; border: 1px solid rgba(255,255,255,.4); border-radius: 10px; }
.cta-box .btn-ghost:hover { background: rgba(255,255,255,.12); }

/* ============ 页脚 ============ */
.site-footer { background: var(--footer-bg); color: var(--footer-text); padding: 64px 0 0; margin-top: 0; }
.footer-grid { display: grid; grid-template-columns: 1.4fr 1fr 1fr 1.2fr; gap: 40px; padding-bottom: 44px; }
.footer-brand { display: flex; align-items: center; gap: 12px; margin-bottom: 16px; }
.footer-brand .logo-img {
  height: 34px; width: auto;
  display: block;
}
.footer-brand .name { color: #fff; font-size: 17px; font-weight: 700; }
.footer-desc { color: var(--footer-text); font-size: 13.5px; line-height: 1.9; max-width: 340px; }
.site-footer h4 {
  color: #fff; font-size: 15px; font-weight: 700; margin-bottom: 18px;
  position: relative; padding-bottom: 10px;
}
.site-footer h4::after {
  content: ""; position: absolute; left: 0; bottom: 0;
  width: 28px; height: 3px; border-radius: 3px;
  background: var(--blue);
}
.footer-links li { margin-bottom: 11px; }
.footer-links a { font-size: 13.5px; color: var(--footer-text); transition: color .2s; }
.footer-links a:hover { color: #9fc3ff; }
.footer-contact li {
  margin-bottom: 14px;
  color: var(--footer-text); font-size: 13.5px;
  display: flex; gap: 10px; align-items: flex-start;
}
.footer-contact svg { flex-shrink: 0; margin-top: 5px; color: #9fc3ff; }
.footer-bottom {
  border-top: 1px solid rgba(255,255,255,.08);
  padding: 20px 0;
  display: flex; justify-content: space-between; align-items: center; gap: 12px;
  font-size: 13px; color: rgba(255,255,255,.45);
}

/* ============ 品牌产品展示（大图卡片） ============ */
.showcase-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 28px; }
.showcase-card {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 18px;
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  transition: all .25s ease;
  display: flex;
  flex-direction: column;
}
.showcase-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-md); border-color: rgba(15,45,179,.45); }
.sc-media {
  position: relative; height: auto; aspect-ratio: 16 / 10; overflow: hidden;
  background: #ffffff;
  border-bottom: 1px solid var(--line);
  display: flex; align-items: center; justify-content: center;
}
.sc-media img { height: 100%; width: 100%; object-fit: cover; transition: transform .45s ease; }
.showcase-card:hover .sc-media img { transform: scale(1.05); }
.sc-brand {
  position: absolute; left: 16px; top: 16px;
  font-size: 11.5px; font-weight: 700; letter-spacing: 1.5px;
  color: var(--blue);
  background: rgba(255,255,255,.92);
  border: 1px solid rgba(15,45,179,.25);
  padding: 5px 12px; border-radius: 999px;
  backdrop-filter: blur(6px);
}
.sc-body {
  padding: 26px 28px 28px;
  flex: 1;
  display: flex;
  flex-direction: column;
}
.sc-body h3 { font-size: 20px; font-weight: 800; font-family: var(--font-head); margin-bottom: 6px; }
.sc-body .sc-sub { font-size: 12.5px; color: var(--text-faint); letter-spacing: .5px; margin-bottom: 16px; }
.feat-list { display: grid; gap: 10px; margin-bottom: 20px; }
.sc-body .btn { margin-top: auto; }
.feat-list li { display: flex; gap: 10px; font-size: 13px; color: var(--text-dim); line-height: 1.75; }
.feat-list li::before { content: "·"; color: var(--blue); font-weight: 800; flex-shrink: 0; }
.feat-list li b { color: var(--text); font-weight: 600; flex-shrink: 0; }

/* ============ 研发体系（图文交错） ============ */
.rd-grid { display: grid; grid-template-columns: 1.05fr .95fr; gap: 56px; align-items: center; }
.rd-text h2 { font-size: 28px; font-weight: 800; margin-bottom: 18px; font-family: var(--font-head); }
.rd-text p { color: var(--text-dim); line-height: 2; margin-bottom: 14px; }
.rd-list { display: grid; gap: 14px; margin-top: 8px; }
.rd-list li { display: flex; gap: 12px; align-items: flex-start; }
.rd-list .rd-ic {
  width: 40px; height: 40px; flex-shrink: 0;
  border-radius: 10px;
  background: var(--blue-soft); color: var(--blue);
  display: flex; align-items: center; justify-content: center;
}
.rd-list li b { display: block; font-size: 14.5px; margin-bottom: 2px; }
.rd-list li span { font-size: 13px; color: var(--text-dim); }
.rd-visual {
  position: relative; min-height: 340px; border-radius: 20px; overflow: hidden;
  background:
    radial-gradient(400px 260px at 20% 10%, rgba(43,89,255,.35), transparent 60%),
    radial-gradient(360px 240px at 90% 90%, rgba(15,45,179,.15), transparent 60%),
    linear-gradient(150deg, #eef4ff, #f9fbfe);
  border: 1px solid var(--line);
  display: flex; align-items: center; justify-content: center;
  padding: 40px;
}
.rd-visual .rd-svg { width: 100%; max-width: 440px; height: auto; }
.rd-tag {
  position: absolute; left: 24px; bottom: 20px;
  font-size: 12px; letter-spacing: 1.5px; color: var(--text-faint);
  background: rgba(255,255,255,.85);
  border: 1px solid var(--line);
  padding: 6px 14px; border-radius: 999px;
}

/* ============ 滚动显现 ============ */
.reveal { opacity: 0; transform: translateY(22px); transition: opacity .6s ease, transform .6s ease; }
.reveal.in { opacity: 1; transform: none; }
.reveal-d1 { transition-delay: .08s; }
.reveal-d2 { transition-delay: .16s; }

/* ============ 响应式 ============ */
@media (max-width: 1024px) {
  .hero-row { grid-template-columns: 1fr; gap: 32px; text-align: center; }
  .hero-text p { margin-inline: auto; }
  .hero-media { order: -1; min-height: 280px; }
  .hero-media img { max-height: 280px; }
  .showcase-grid { grid-template-columns: 1fr; }
  .rd-grid { grid-template-columns: 1fr; gap: 40px; }
  .rd-visual { min-height: 260px; }
  .grid-3, .grid-4 { grid-template-columns: repeat(2, 1fr); }
  .about-grid, .contact-grid { grid-template-columns: 1fr; gap: 36px; }
  .cert-grid { grid-template-columns: repeat(2, 1fr); }
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .news-list.news-grid { grid-template-columns: 1fr; }
}

@media (max-width: 720px) {
  .nav-toggle { display: flex; }
  .main-nav {
    display: none;
    position: absolute; top: 72px; left: 0; right: 0;
    background: var(--panel);
    border-bottom: 1px solid var(--line);
    flex-direction: column; align-items: stretch;
    padding: 12px 20px 20px;
    box-shadow: var(--shadow-lg);
  }
  .main-nav.open { display: flex; }
  .main-nav a { padding: 12px 10px; }
  .main-nav a.nav-cta { margin-left: 0; text-align: center; }

  .topbar .right { display: none; }
  .topbar .container { justify-content: center; }
  .hero-slide { padding: 78px 0 76px; }
  .hero-row { gap: 24px; }
  .hero-text h1, .hero-text h2 { font-size: 28px; }
  .hero-text p { font-size: 15px; }
  .hero-media { min-height: 230px; }
  .hero-media img { max-height: 220px; }
  .grid-2, .grid-3, .grid-4 { grid-template-columns: 1fr; }
  .hero-dots { bottom: 18px; }
  .section { padding: 56px 0; }
  .section-head h2 { font-size: 24px; }
  .form-row { grid-template-columns: 1fr; }
  .news-list.news-grid { grid-template-columns: 1fr; }
  .news-item { flex-direction: column; gap: 12px; }
  .cta-box { padding: 40px 24px; }
  .footer-grid { grid-template-columns: 1fr; }
  .footer-bottom { flex-direction: column; text-align: center; }
  .cert-grid { grid-template-columns: 1fr; }
}

/* ============ 产品详情页 ============ */
.detail-top {
  display: grid;
  grid-template-columns: 1.15fr 1fr;
  gap: 44px;
  align-items: start;
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 20px;
  padding: 36px;
  box-shadow: var(--shadow-sm);
}
.detail-media {
  position: relative;
  background: #ffffff;
  border-radius: 14px;
  overflow: hidden;
  aspect-ratio: 16 / 10;
  display: flex;
  align-items: center;
  justify-content: center;
}
.detail-media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}
.detail-tag {
  position: absolute;
  top: 14px; left: 14px;
  padding: 5px 12px;
  border-radius: 20px;
  background: var(--blue);
  color: #fff;
  font-size: 12px;
  font-weight: 600;
}
.detail-info .kicker { margin-bottom: 10px; }
.detail-info h2 { font-size: 34px; font-family: var(--font-head); color: var(--text); }
.detail-sub { font-size: 16px; color: var(--text-dim); margin: 6px 0 14px; }
.detail-desc { font-size: 15px; line-height: 1.75; color: var(--text-dim); margin-bottom: 16px; }
.detail-specs { margin-bottom: 4px; }
.detail-sections {
  display: grid;
  grid-template-columns: 1.35fr 1fr;
  gap: 24px;
  margin-top: 24px;
}
.detail-section {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 16px;
  padding: 26px 28px;
}
.detail-section h3 {
  font-size: 17px;
  font-family: var(--font-head);
  color: var(--text);
  margin-bottom: 16px;
  padding-bottom: 10px;
  border-bottom: 1px solid var(--line);
}
.detail-table-wrap { overflow-x: auto; }
.detail-table { width: 100%; border-collapse: collapse; font-size: 14px; }
.detail-table th, .detail-table td {
  text-align: left;
  padding: 10px 12px;
  border-bottom: 1px solid var(--line);
  vertical-align: top;
}
.detail-table th {
  width: 120px;
  color: var(--text-dim);
  font-weight: 600;
  white-space: nowrap;
}
.detail-table tr:last-child th, .detail-table tr:last-child td { border-bottom: none; }
.app-list { list-style: none; }
.app-list li {
  position: relative;
  padding: 8px 0 8px 22px;
  font-size: 14px;
  color: var(--text-dim);
  border-bottom: 1px dashed var(--line);
}
.app-list li:last-child { border-bottom: none; }
.app-list li::before {
  content: "";
  position: absolute;
  left: 4px; top: 14px;
  width: 8px; height: 8px;
  border-radius: 50%;
  background: var(--blue-grad);
}
.related-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 18px;
  margin-top: 4px;
}
.rp-card {
  display: flex;
  flex-direction: column;
  gap: 14px;
  padding: 14px;
  border: 1px solid var(--line);
  border-radius: 14px;
  background: var(--panel);
  transition: all .2s ease;
}
.rp-card:hover { border-color: var(--blue); box-shadow: var(--shadow-sm); transform: translateY(-2px); }
.rp-card .rp-thumb {
  height: 130px;
  background: linear-gradient(160deg, #f0f5ff, #e6eeff);
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
}
.rp-card .rp-thumb img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}
.rp-card .rp-body { min-width: 0; text-align: center; }
.rp-card b { display: block; font-size: 15px; color: var(--text); }
.rp-card span {
  display: block;
  font-size: 13px;
  color: var(--text-dim);
  margin-top: 4px;
  line-height: 1.5;
  overflow: hidden;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
}
.product-empty { text-align: center; padding: 90px 20px; }
.product-empty h2 { font-size: 24px; margin-bottom: 12px; }
.product-empty p { color: var(--text-dim); margin-bottom: 22px; }

@media (max-width: 900px) {
  .detail-top { grid-template-columns: 1fr; padding: 22px; }
  .detail-media { aspect-ratio: 16 / 10; }
  .detail-sections { grid-template-columns: 1fr; }
  .related-grid { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 600px) {
  .related-grid { grid-template-columns: 1fr; }
  .rp-card .rp-thumb { height: 150px; }
}

/* ============================================================
   v2 · 高级感升级层（克制精密感 · 2026-09-01）
   覆盖旧样式，可整体删除回滚
   ============================================================ */

/* ---------- 页面底色微调 ---------- */
body { background: var(--bg); }

/* ---------- 顶部信息条：更细腻 ---------- */
.topbar { background: linear-gradient(90deg, #071c40, #071a52 55%, #123f8f); }
.topbar .container { height: 38px; }
.topbar b { color: #b9d2ff; letter-spacing: .5px; }

/* ---------- 导航：滚动加深 + 渐变底线 ---------- */
.site-header { border-bottom: 1px solid transparent; }
.site-header::after {
  content: ""; position: absolute; left: 0; right: 0; bottom: -1px; height: 1px;
  background: linear-gradient(90deg, transparent, rgba(15,45,179,.35), transparent);
  pointer-events: none;
}
.site-header.scrolled {
  background: rgba(255,255,255,.94);
  box-shadow: 0 8px 30px rgba(13,27,51,.08);
}
.nav-wrap { height: 74px; }
.main-nav a { font-size: 14.5px; letter-spacing: .2px; }
.main-nav a.active {
  position: relative;
  box-shadow: none;
}
.main-nav a.active::after {
  content: ""; position: absolute; left: 15px; right: 15px; bottom: 2px; height: 2px;
  border-radius: 2px; background: var(--blue-grad);
}
.main-nav a.nav-cta {
  background: var(--blue-grad);
  border-radius: 999px;
  padding: 9px 22px;
  box-shadow: var(--shadow-blue);
}
.main-nav a.nav-cta:hover { transform: translateY(-1px); box-shadow: 0 14px 30px rgba(15,45,179,.38); }
.brand .logo-img { transition: opacity .3s; }

/* ---------- Hero：沉浸式深蓝 + 科技网格 + 光晕 ---------- */
.hero {
  background:
    radial-gradient(1000px 560px at 82% -10%, rgba(43,89,255,.22), transparent 60%),
    radial-gradient(760px 460px at 4% 118%, rgba(12,43,94,.85), transparent 62%),
    linear-gradient(140deg, #041530 0%, #072a66 52%, #0a3b8f 100%);
}
.hero::before {
  background:
    radial-gradient(900px 520px at 82% -12%, rgba(255,255,255,.12), transparent 58%),
    radial-gradient(720px 420px at 8% 115%, rgba(0,0,0,.30), transparent 60%);
}
/* 网格纹理 */
.hero::after {
  content: ""; position: absolute; inset: 0;
  background-image:
    linear-gradient(rgba(255,255,255,.045) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,.045) 1px, transparent 1px);
  background-size: 56px 56px;
  mask-image: radial-gradient(1100px 600px at 70% 30%, #000 30%, transparent 75%);
  -webkit-mask-image: radial-gradient(1100px 600px at 70% 30%, #000 30%, transparent 75%);
  pointer-events: none;
}
/* 底部过渡光带 */
.hero .hero-slides::after {
  content: ""; position: absolute; left: 0; right: 0; bottom: 0; height: 90px;
  background: linear-gradient(180deg, transparent, rgba(4,21,48,.55));
  pointer-events: none; z-index: 1;
}
.hero-slides { min-height: 600px; }
.hero-text .kicker {
  color: #dbe8ff;
  background: rgba(255,255,255,.10);
  border: 1px solid rgba(255,255,255,.28);
  backdrop-filter: blur(8px);
  letter-spacing: 2.5px;
}
.hero-text h1, .hero-text h2 {
  font-size: clamp(32px, 4.2vw, 52px);
  line-height: 1.16;
  letter-spacing: .5px;
  margin-bottom: 16px;
  text-wrap: balance;
}
.hero-text p { font-size: 16.5px; color: rgba(255,255,255,.82); }
.hero-text .btn-gold { border-radius: 999px; padding: 13px 30px; box-shadow: 0 12px 32px rgba(6,28,70,.45); }
/* 产品图展示底座 */
.hero-media { position: relative; }
.hero-media::before {
  content: ""; position: absolute; left: 50%; bottom: 6%; transform: translateX(-50%);
  width: 78%; height: 90px;
  background: radial-gradient(50% 50% at 50% 50%, rgba(43,89,255,.45), transparent 72%);
  filter: blur(18px);
  pointer-events: none;
}
.hero-media img {
  position: relative;
  border-radius: 18px;
  background: rgba(255,255,255,.05);
  border: 1px solid rgba(255,255,255,.16);
  box-shadow: 0 30px 70px rgba(0,0,0,.45), inset 0 1px 0 rgba(255,255,255,.18);
  transition: transform .6s cubic-bezier(.22,.68,.35,1), box-shadow .6s ease;
}
.hero-slide.active .hero-media img { animation: heroRise .9s cubic-bezier(.22,.68,.35,1) both; }
@keyframes heroRise {
  from { opacity: 0; transform: translateY(26px) scale(.985); }
  to   { opacity: 1; transform: none; }
}
/* Hero 文字入场（轮播切换时重放） */
.hero-slide .hero-text .kicker,
.hero-slide .hero-text h2,
.hero-slide .hero-text p,
.hero-slide .hero-text .btn { opacity: 0; }
.hero-slide.active .hero-text .kicker { animation: heroFade .7s cubic-bezier(.22,.68,.35,1) .12s both; }
.hero-slide.active .hero-text h2      { animation: heroFade .7s cubic-bezier(.22,.68,.35,1) .22s both; }
.hero-slide.active .hero-text p       { animation: heroFade .7s cubic-bezier(.22,.68,.35,1) .32s both; }
.hero-slide.active .hero-text .btn    { animation: heroFade .7s cubic-bezier(.22,.68,.35,1) .42s both; }
@keyframes heroFade {
  from { opacity: 0; transform: translateY(18px); }
  to   { opacity: 1; transform: none; }
}
.hero-dots { bottom: 30px; }
.hero-dots button {
  width: 30px; height: 4px; background: rgba(255,255,255,.28);
  transition: all .35s cubic-bezier(.22,.68,.35,1);
}
.hero-dots button.active { background: linear-gradient(90deg, #2b59ff, #fff); width: 42px; }

/* ---------- 区块标题：更精致的标尺线 ---------- */
.section-head { margin-bottom: 50px; }
.section-head .kicker {
  letter-spacing: 3px; color: var(--blue);
  position: relative; padding: 0 4px;
}
.section-head h2 { font-size: clamp(24px, 2.8vw, 34px); letter-spacing: .3px; }
.section-head p { font-size: 15px; }

/* ---------- 按钮：光泽扫过 + 悬浮层次 ---------- */
.btn { position: relative; overflow: hidden; border-radius: 999px; letter-spacing: .3px; }
.btn-primary, .btn-gold {
  background: var(--blue-grad);
  box-shadow: var(--shadow-blue);
}
.btn-primary:hover, .btn-gold:hover {
  background: var(--blue-grad-deep);
  transform: translateY(-2px);
  box-shadow: 0 16px 34px rgba(15,45,179,.40);
}
/* 光泽扫过 */
.btn-primary::after, .btn-gold::after, .nav-cta::after {
  content: ""; position: absolute; top: 0; bottom: 0; left: -80%; width: 55%;
  background: linear-gradient(100deg, transparent, rgba(255,255,255,.38), transparent);
  transform: skewX(-20deg);
  transition: left .55s cubic-bezier(.22,.68,.35,1);
  pointer-events: none;
}
.btn-primary:hover::after, .btn-gold:hover::after, .nav-cta:hover::after { left: 130%; }
.btn-outline { border-radius: 999px; }
.btn-outline:hover { border-color: var(--blue); color: var(--blue); background: var(--blue-softer); box-shadow: 0 6px 18px rgba(15,45,179,.12); }
.btn-ghost { border-radius: 999px; }
.btn-sm { border-radius: 999px; }

/* ---------- 卡片：层次阴影 + 顶部细线 + 图像光晕 ---------- */
.card, .line-card, .showcase-card, .detail-top, .form-card, .detail-section {
  transition: transform .3s cubic-bezier(.22,.68,.35,1), box-shadow .3s ease, border-color .3s ease;
}
.card:hover, .line-card:hover, .showcase-card:hover {
  border-color: rgba(15,45,179,.42);
  box-shadow: 0 4px 10px rgba(13,27,51,.05), 0 22px 46px rgba(13,27,51,.12);
}
.line-card::before, .showcase-card::before { opacity: 0; height: 3px; background: var(--blue-grad); }
.line-card:hover::before, .showcase-card:hover::before { opacity: 1; }
.showcase-card::before {
  content: ""; position: absolute; top: 0; left: 0; right: 0; height: 3px;
  background: var(--blue-grad); opacity: 0; transition: opacity .3s; z-index: 1;
}
.line-card .lc-num {
  background: var(--blue-softer);
  border-color: rgba(15,45,179,.22);
  letter-spacing: 1.5px;
}
.line-card h3 { font-size: 20px; letter-spacing: .2px; }
.line-card p { font-size: 13.5px; color: var(--text-dim); }

/* 产品卡片缩略图：纯白底（2026-09-24 按同事意见，去掉蓝色渐变与光晕） */
.prod-card .thumb {
  background: #ffffff;
}
.prod-card .thumb::after { display: none; }
.prod-card .body h3 {
  font-size: 20px;
  margin-top: 4px;
  padding: 10px 0 9px;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}
.prod-card .body .subname { font-size: 12.5px; color: var(--text-faint); margin: 9px 0 6px; }
.prod-card .quote-line a { border-radius: 999px; padding: 7px 18px; background: var(--blue-grad); }
.prod-card .quote-line a:hover { box-shadow: 0 8px 20px rgba(15,45,179,.45); }

/* 大图卡片媒体区：纯白底 */
.sc-media { background: #ffffff; }
.sc-body h3 { font-size: 22px; letter-spacing: .2px; }

/* ---------- 分类标签：胶囊化 ---------- */
.cat-tabs a { border-radius: 999px; padding: 9px 24px; }
.cat-tabs a.cta-link { border-radius: 999px; box-shadow: var(--shadow-blue); }
.category-title h3 { font-size: 26px; letter-spacing: .2px; }

/* ---------- 页面横幅：加深 + 网格 ---------- */
.page-banner {
  background:
    radial-gradient(700px 220px at 88% -20%, rgba(15,45,179,.16), transparent 60%),
    radial-gradient(520px 200px at 6% 120%, rgba(15,45,179,.10), transparent 60%),
    linear-gradient(180deg, #eef3fc, #ffffff);
}
.page-banner h1 { font-size: clamp(26px, 3.2vw, 36px); letter-spacing: .3px; }
.page-banner h1::after { width: 56px; background: var(--blue-grad); border-radius: 999px; }
.page-banner .crumbs { letter-spacing: .3px; }

/* ---------- 时间线 / 资质 / 研发体系微调 ---------- */
.tl-item::before { background: var(--blue-grad); }
.cert-card .cert-ic {
  background: linear-gradient(145deg, var(--blue-softer), var(--blue-soft));
  box-shadow: inset 0 1px 0 rgba(255,255,255,.8);
}
.rd-ic { background: linear-gradient(145deg, var(--blue-softer), var(--blue-soft)); }

/* ---------- CTA：夜蓝 + 网格 + 顶部光带 ---------- */
.cta-box {
  background:
    radial-gradient(520px 280px at 88% -20%, rgba(43,89,255,.35), transparent 62%),
    linear-gradient(135deg, #051530, #071a52 55%, #0e3f93);
  box-shadow: 0 30px 70px rgba(8,31,68,.40);
}
.cta-box::after {
  content: ""; position: absolute; inset: 0;
  background-image:
    linear-gradient(rgba(255,255,255,.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,.04) 1px, transparent 1px);
  background-size: 52px 52px;
  mask-image: radial-gradient(900px 500px at 50% 0%, #000 20%, transparent 78%);
  -webkit-mask-image: radial-gradient(900px 500px at 50% 0%, #000 20%, transparent 78%);
  pointer-events: none;
}
.cta-box h2 { font-size: clamp(24px, 3vw, 32px); letter-spacing: .3px; }
.cta-box .btn-gold {
  background: #fff; color: var(--blue-deep);
  box-shadow: 0 14px 34px rgba(0,0,0,.28);
}
.cta-box .btn-gold::after { display: none; }
.cta-box .btn-ghost { border-radius: 999px; }

/* ---------- 页脚：顶部渐变线 + 品牌水印 ---------- */
.site-footer { position: relative; padding-top: 72px; }
.site-footer::before {
  content: ""; position: absolute; top: 0; left: 0; right: 0; height: 1px;
  background: linear-gradient(90deg, transparent, rgba(43,89,255,.55), transparent);
}
.site-footer::after {
  content: "ROYGEN"; position: absolute; right: -20px; bottom: 40px;
  font-family: var(--font-head); font-weight: 800; font-size: clamp(90px, 14vw, 190px);
  line-height: 1; letter-spacing: .04em;
  color: rgba(255,255,255,.028);
  pointer-events: none; user-select: none;
}
.footer-grid { position: relative; z-index: 1; }
.footer-bottom { position: relative; z-index: 1; }
.site-footer h4::after { background: var(--blue-grad); width: 30px; }

/* ---------- 滚动显现：更柔和的缓动 ---------- */
.reveal {
  opacity: 0; transform: translateY(26px);
  transition: opacity .7s cubic-bezier(.22,.68,.35,1), transform .7s cubic-bezier(.22,.68,.35,1);
}
.reveal.in { opacity: 1; transform: none; }

/* ---------- 选中文本品牌色 ---------- */
::selection { background: rgba(15,45,179,.18); color: var(--ink); }

/* ---------- 详情页微调 ---------- */
.detail-top { padding: 40px; }
.detail-info h2 { font-size: clamp(26px, 3vw, 36px); letter-spacing: .3px; }
.detail-tag { border-radius: 999px; background: var(--blue-grad); box-shadow: 0 6px 14px rgba(15,45,179,.35); }
.detail-section h3 { font-size: 17.5px; letter-spacing: .2px; }
.rp-card:hover { transform: translateY(-3px); box-shadow: var(--shadow-md); }
.rp-card .rp-thumb { background: radial-gradient(110% 100% at 50% 118%, rgba(15,45,179,.14), transparent 62%), linear-gradient(165deg, #eef4ff, #e6eeff); }

/* ---------- v2 定位修正 ---------- */
.showcase-card { position: relative; }
.hero-media { z-index: 2; }
.hero-text { z-index: 2; }

/* ---------- 首页数据速览 ---------- */
.stats-section { padding: 0; background: linear-gradient(180deg, var(--bg) 0%, var(--bg-soft) 100%); }
.stats-grid {
  display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px;
  padding: 58px 0 56px;
}
.stat { position: relative; text-align: center; padding: 8px 12px; }
.stat::before {
  content: ""; position: absolute; left: 0; right: 0; top: 0; height: 1px;
  background: linear-gradient(90deg, transparent, rgba(15,45,179,.35), transparent);
}
.stat b {
  display: inline-flex; align-items: baseline; justify-content: center;
  font-family: var(--font-head); font-weight: 800;
  font-size: clamp(38px, 4vw, 54px); line-height: 1.1;
  letter-spacing: .5px;
  background: var(--blue-grad);
  -webkit-background-clip: text; background-clip: text; -webkit-text-fill-color: transparent;
  color: var(--blue);
}
.stat b em { font-style: normal; font-size: .55em; -webkit-text-fill-color: var(--blue); color: var(--blue); margin-left: 2px; }
.stat .st-title { margin-top: 10px; font-size: 15px; font-weight: 700; color: var(--text); letter-spacing: .5px; }
.stat .st-sub { margin-top: 4px; font-size: 12.5px; color: var(--text-faint); letter-spacing: .4px; }

@media (max-width: 900px) {
  .stats-grid { grid-template-columns: repeat(2, 1fr); gap: 34px 20px; padding: 46px 0; }
}
@media (max-width: 480px) {
  .stats-grid { grid-template-columns: repeat(2, 1fr); gap: 30px 12px; }
  .stat b { font-size: 34px; }
}

/* ---------- v3 产品卡片底部通栏按钮 ---------- */
.prod-card .meta {
  margin-top: auto;
  padding-top: 16px;
  border-top: 1px solid var(--line);
  display: flex;
}
.prod-card .meta .btn-sm {
  flex: 1;
  padding: 11px 16px;
  border-radius: 10px;
  background: var(--blue-softer);
  color: var(--blue);
  font-size: 13.5px;
  letter-spacing: .5px;
  box-shadow: none;
}
/* 覆盖 v2 光泽扫过伪元素，改为右侧箭头 */
.prod-card .meta .btn-sm::after {
  content: "→";
  position: static;
  left: auto; width: auto;
  background: none;
  transform: none;
  font-size: 14px;
  margin-left: 6px;
  transition: transform .25s ease;
}
.prod-card .meta .btn-sm:hover {
  background: var(--blue-grad);
  color: #fff;
  box-shadow: 0 10px 24px rgba(15,45,179,.35);
  transform: none;
}
.prod-card .meta .btn-sm:hover::after { transform: translateX(3px); }

/* ---------- v4 详情页结构升级：亮点 / 可选配置 / 区块标题 ---------- */
/* 详情页区块头：kicker + 标题 */
.detail-section .sec-head { margin-bottom: 18px; }
.detail-section .sec-head .kicker {
  display: block; font-size: 11.5px; font-weight: 700; letter-spacing: 2.5px;
  color: var(--blue); margin-bottom: 4px;
}
.detail-section .sec-head h3 {
  font-size: 21px; font-weight: 800; letter-spacing: .3px;
  font-family: var(--font-head); color: var(--text); margin: 0;
}
.detail-section .sec-head h3::after {
  content: ""; display: block; width: 34px; height: 3px; margin-top: 8px;
  border-radius: 999px; background: var(--blue-grad);
}

/* Hero 右侧卖点胶囊 */
.hero-points { display: flex; flex-wrap: wrap; gap: 8px; margin: 2px 0 18px; }
.hp-item {
  display: inline-flex; align-items: center; gap: 6px;
  font-size: 12.5px; font-weight: 600; color: var(--blue-deep);
  background: var(--blue-softer); border: 1px solid rgba(15,45,179,.16);
  border-radius: 999px; padding: 5px 13px; letter-spacing: .2px;
}
.hp-item svg { flex: none; color: var(--blue); }

/* 产品亮点卡片 */
.hl-section { margin-top: 46px; }
.hl-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
.hl-card {
  position: relative; background: var(--panel);
  border: 1px solid var(--line); border-radius: var(--radius);
  padding: 26px 24px 24px;
  transition: transform .3s cubic-bezier(.22,.68,.35,1), box-shadow .3s ease, border-color .3s ease;
}
.hl-card::before {
  content: ""; position: absolute; top: 0; left: 0; right: 0; height: 3px;
  background: var(--blue-grad); opacity: 0; transition: opacity .3s; border-radius: var(--radius) var(--radius) 0 0;
}
.hl-card:hover { border-color: rgba(15,45,179,.4); box-shadow: 0 4px 10px rgba(13,27,51,.05), 0 22px 46px rgba(13,27,51,.12); transform: translateY(-3px); }
.hl-card:hover::before { opacity: 1; }
.hl-ic {
  width: 48px; height: 48px; border-radius: 13px;
  display: flex; align-items: center; justify-content: center;
  background: linear-gradient(145deg, var(--blue-softer), var(--blue-soft));
  color: var(--blue); margin-bottom: 16px;
  box-shadow: inset 0 1px 0 rgba(255,255,255,.8);
}
.hl-card b { display: block; font-size: 16.5px; font-weight: 700; color: var(--text); margin-bottom: 8px; letter-spacing: .2px; }
.hl-card p { font-size: 13.5px; line-height: 1.75; color: var(--text-dim); margin: 0; }

/* 可选配置列表 */
.config-list { list-style: none; display: grid; grid-template-columns: repeat(2, 1fr); gap: 12px; margin: 0; }
.config-list li {
  display: flex; align-items: flex-start; gap: 10px;
  background: var(--panel-soft); border: 1px solid var(--line);
  border-radius: 10px; padding: 13px 16px;
  font-size: 14px; color: var(--text); line-height: 1.55;
  transition: border-color .25s ease, background .25s ease;
}
.config-list li:hover { border-color: rgba(15,45,179,.35); background: var(--blue-softer); }
.config-list li svg { flex: none; color: var(--blue); margin-top: 2px; }

/* 详情页区块间距 */
#detailRoot .detail-section { margin-bottom: 40px; }
#detailRoot .detail-sections { display: grid; grid-template-columns: 1fr 1fr; gap: 28px; margin-bottom: 8px; }

@media (max-width: 900px) {
  .hl-grid { grid-template-columns: 1fr; }
  .config-list { grid-template-columns: 1fr; }
  #detailRoot .detail-sections { grid-template-columns: 1fr; }
}
@media (max-width: 480px) {
  .hl-card { padding: 22px 20px; }
}

/* ============================================================
   v5 蔡司化结构升级：品牌主张 / 行业瓦片 / 解决方案页 /
   自主可控 / 首页新闻卡片
   ============================================================ */

/* ---------- Hero 品牌主张 ---------- */
.hero { position: relative; }
.hero-slogan {
  position: absolute; top: 16px; left: 50%; transform: translateX(-50%);
  display: flex; align-items: center; gap: 14px;
  z-index: 5; white-space: nowrap;
  padding: 8px 22px; border-radius: 999px;
  background: rgba(4,14,38,.42);
  border: 1px solid rgba(84,169,255,.25);
  backdrop-filter: blur(6px); -webkit-backdrop-filter: blur(6px);
  box-shadow: 0 8px 24px rgba(2,8,24,.35);
}
.hero-slogan .hs-en {
  font-family: var(--font-head); font-weight: 700; font-size: 10.5px;
  letter-spacing: 3px; color: #2b59ff;
}
.hero-slogan .hs-zh {
  font-size: 13px; font-weight: 600; letter-spacing: 2.5px; color: #fff;
}
.hero-slogan::before {
  content: ""; width: 5px; height: 5px; border-radius: 50%;
  background: #2b59ff; box-shadow: 0 0 10px #2b59ff;
}
@media (max-width: 720px) {
  .hero-slogan { gap: 8px; padding: 6px 14px; }
  .hero-slogan .hs-en { display: none; }
  .hero-slogan .hs-zh { font-size: 11.5px; letter-spacing: 1.5px; }
}

/* ---------- 行业瓦片（首页 + 解决方案页共用） ---------- */
.sol-tiles {
  display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px;
}
.sol-tile {
  position: relative; display: flex; flex-direction: column;
  gap: 4px; padding: 28px 26px 24px;
  background: var(--panel); border: 1px solid var(--line);
  border-radius: 16px; text-decoration: none; overflow: hidden;
  transition: transform .3s cubic-bezier(.22,.68,.35,1), box-shadow .3s ease, border-color .3s ease;
}
.sol-tile::before {
  content: ""; position: absolute; top: 0; left: 0; right: 0; height: 3px;
  background: var(--blue-grad); opacity: 0; transition: opacity .3s;
}
.sol-tile::after {
  content: ""; position: absolute; inset: 0; pointer-events: none;
  background:
    radial-gradient(130% 90% at 50% 120%, rgba(15,45,179,.07), transparent 62%),
    linear-gradient(165deg, #ffffff, #f7f9ff);
  z-index: 0;
}
.sol-tile > * { position: relative; z-index: 1; }
.sol-tile:hover {
  border-color: rgba(15,45,179,.38);
  box-shadow: 0 4px 10px rgba(13,27,51,.05), 0 24px 48px rgba(13,27,51,.13);
  transform: translateY(-4px);
}
.sol-tile:hover::before { opacity: 1; }
.st-ic {
  width: 52px; height: 52px; border-radius: 14px;
  display: flex; align-items: center; justify-content: center;
  background: linear-gradient(145deg, rgba(15,45,179,.10), rgba(15,45,179,.05));
  color: var(--blue); margin-bottom: 16px;
  box-shadow: inset 0 1px 0 rgba(255,255,255,.9);
}
.sol-tile b {
  font-size: 19px; font-weight: 800; letter-spacing: .3px; color: var(--text); font-family: var(--font-head);
  display: inline-flex; align-items: center; gap: 8px;
}
/* 标题旁的跳转箭头（替代原「查看方案 →」底部链接） */
.sol-tile b::after {
  content: "»"; font-size: 20px; font-weight: 800; color: var(--blue);
  line-height: 1; transform: translateX(0); transition: transform .25s ease;
}
.sol-tile:hover b::after { transform: translateX(4px); }
.st-desc { font-size: 13.5px; line-height: 1.7; color: var(--text-dim); margin-top: 4px; }
@media (max-width: 1024px) { .sol-tiles { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 560px) { .sol-tiles { grid-template-columns: 1fr; } }

/* ---------- 解决方案页：行业详情 ---------- */
.sol-tiles-sec { padding-bottom: 0; }
.sol-detail {
  display: grid; grid-template-columns: 1fr 1.15fr; gap: 32px;
  align-items: center; padding: 40px;
  background: var(--panel); border: 1px solid var(--line);
  border-radius: 18px; margin-bottom: 26px;
  box-shadow: var(--shadow-sm);
  transition: box-shadow .3s ease, border-color .3s ease;
  scroll-margin-top: 90px;
}
.sol-detail:hover { border-color: rgba(15,45,179,.22); box-shadow: var(--shadow-md); }
.sd-num {
  display: inline-block; font-family: var(--font-head); font-weight: 800;
  font-size: 44px; line-height: 1; color: rgba(15,45,179,.16);
  letter-spacing: 2px; margin-bottom: 14px;
}
.sol-intro h2 { font-size: clamp(24px, 2.6vw, 30px); font-family: var(--font-head); font-weight: 800; letter-spacing: .3px; margin-bottom: 12px; }
.sol-intro p { font-size: 14.5px; line-height: 1.85; color: var(--text-dim); margin-bottom: 18px; }
.sd-tags { display: flex; flex-wrap: wrap; gap: 8px; }
.sd-tags span {
  font-size: 12.5px; font-weight: 600; color: var(--blue-deep);
  background: var(--blue-softer); border: 1px solid rgba(15,45,179,.14);
  border-radius: 999px; padding: 5px 13px; letter-spacing: .2px;
}
.sol-prods { display: grid; grid-template-columns: repeat(2, 1fr); gap: 12px; }
.sol-prod {
  display: flex; align-items: baseline; gap: 8px;
  background: var(--panel-soft); border: 1px solid var(--line);
  border-radius: 11px; padding: 14px 16px; text-decoration: none;
  transition: border-color .25s ease, background .25s ease, transform .25s ease;
}
.sol-prod:hover {
  border-color: rgba(15,45,179,.38); background: var(--blue-softer);
  transform: translateY(-2px);
}
.sol-prod b { font-family: var(--font-head); font-size: 15.5px; font-weight: 800; color: var(--text); letter-spacing: .5px; flex: none; }
.sol-prod span { flex: 1; font-size: 12.5px; color: var(--text-dim); line-height: 1.45; }
.sol-prod i {
  font-style: normal; color: var(--blue); font-size: 14px;
  transition: transform .25s ease;
}
.sol-prod:hover i { transform: translateX(3px); }
@media (max-width: 1024px) {
  .sol-detail { grid-template-columns: 1fr; padding: 30px; }
}
@media (max-width: 560px) {
  .sol-prods { grid-template-columns: 1fr; }
  .sol-detail { padding: 24px 20px; }
}

/* ---------- 自主可控 band ---------- */
.self-reliance {
  background:
    radial-gradient(640px 300px at 88% -10%, rgba(43,89,255,.30), transparent 62%),
    radial-gradient(520px 260px at 4% 115%, rgba(43,89,255,.16), transparent 60%),
    linear-gradient(135deg, #050f2b, #071a52 60%, #0a2778);
  padding: 74px 0; position: relative; overflow: hidden;
}
.self-reliance::after {
  content: ""; position: absolute; inset: 0; pointer-events: none;
  background-image:
    linear-gradient(rgba(255,255,255,.035) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,.035) 1px, transparent 1px);
  background-size: 54px 54px;
  mask-image: radial-gradient(900px 500px at 50% 0%, #000 20%, transparent 80%);
  -webkit-mask-image: radial-gradient(900px 500px at 50% 0%, #000 20%, transparent 80%);
}
.self-reliance .container { position: relative; z-index: 1; }
.sr-grid { display: grid; grid-template-columns: 1.05fr 1fr; gap: 56px; align-items: center; }
.sr-head .kicker { color: #2b59ff; letter-spacing: 3px; font-size: 11.5px; font-weight: 700; display: inline-block; margin-bottom: 12px; }
.sr-head h2 {
  font-size: clamp(24px, 3vw, 32px); color: #fff; font-family: var(--font-head);
  font-weight: 800; letter-spacing: .3px; line-height: 1.35; margin-bottom: 14px;
}
.sr-head p { font-size: 14.5px; line-height: 1.85; color: rgba(214,226,244,.72); margin: 0; }
.sr-points { display: grid; gap: 14px; }
.sr-point {
  display: flex; align-items: flex-start; gap: 16px;
  background: rgba(255,255,255,.05); border: 1px solid rgba(255,255,255,.10);
  border-radius: 14px; padding: 18px 20px;
  transition: background .3s ease, border-color .3s ease, transform .3s ease;
}
.sr-point:hover { background: rgba(255,255,255,.09); border-color: rgba(84,169,255,.35); transform: translateX(4px); }
.sr-ic {
  width: 44px; height: 44px; border-radius: 12px; flex: none;
  display: flex; align-items: center; justify-content: center;
  background: rgba(43,89,255,.22); color: #7fa2ff;
  box-shadow: inset 0 1px 0 rgba(255,255,255,.12);
}
.sr-point b { display: block; font-size: 15.5px; font-weight: 700; color: #fff; letter-spacing: .3px; margin-bottom: 4px; }
.sr-point > div { flex: 1; min-width: 0; }
.sr-point > div > span:last-child { font-size: 13px; line-height: 1.7; color: rgba(214,226,244,.66); }
@media (max-width: 900px) {
  .sr-grid { grid-template-columns: 1fr; gap: 34px; }
  .self-reliance { padding: 56px 0; }
}

/* ---------- 首页新闻卡片 ---------- */
.hn-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; margin-bottom: 34px; }
.hn-card {
  display: flex; gap: 18px; padding: 24px 22px;
  background: var(--panel); border: 1px solid var(--line);
  border-radius: 16px; text-decoration: none; position: relative; overflow: hidden;
  transition: transform .3s cubic-bezier(.22,.68,.35,1), box-shadow .3s ease, border-color .3s ease;
}
.hn-card::before {
  content: ""; position: absolute; top: 0; left: 0; right: 0; height: 3px;
  background: var(--blue-grad); opacity: 0; transition: opacity .3s;
}
.hn-card:hover { border-color: rgba(15,45,179,.38); box-shadow: 0 4px 10px rgba(13,27,51,.05), 0 22px 46px rgba(13,27,51,.12); transform: translateY(-3px); }
.hn-card:hover::before { opacity: 1; }
.hn-date {
  flex: none; width: 58px; text-align: center;
  background: linear-gradient(160deg, rgba(15,45,179,.08), rgba(15,45,179,.04));
  border: 1px solid rgba(15,45,179,.14); border-radius: 12px;
  padding: 12px 6px; height: fit-content;
}
.hn-date b { display: block; font-family: var(--font-head); font-size: 25px; font-weight: 800; color: var(--blue); line-height: 1.1; }
.hn-date span { display: block; font-size: 10.5px; letter-spacing: 1px; color: var(--text-dim); margin-top: 3px; }
.hn-body { display: flex; flex-direction: column; min-width: 0; }
.hn-body .n-cat { align-self: flex-start; }
.hn-body h3 {
  font-size: 15.5px; font-weight: 700; color: var(--text); line-height: 1.55;
  margin: 9px 0 6px; letter-spacing: .2px;
  transition: color .25s ease;
}
.hn-card:hover .hn-body h3 { color: var(--blue); }
.hn-body p {
  font-size: 13px; color: var(--text-dim); line-height: 1.7; margin: 0;
  display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden;
}
.hn-go { margin-top: auto; padding-top: 12px; font-size: 12.5px; font-weight: 700; color: var(--blue); letter-spacing: .3px; transition: transform .25s ease; }
.hn-card:hover .hn-go { transform: translateX(4px); }
.hn-more { text-align: center; }
@media (max-width: 900px) { .hn-grid { grid-template-columns: 1fr; } }

/* ---------- 研发体系 kicker 对齐（复用 section-head 风格） ---------- */
.rd-text > .kicker { letter-spacing: 3px; color: var(--blue); }

/* ============================================================
   v17 同事意见优化层（2026-09-24）
   ============================================================ */

/* ---------- 关于页：企业理念卡（图标移到小标题左侧） ---------- */
.values-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
.value-card {
  background: var(--panel); border: 1px solid var(--line);
  border-radius: 16px; padding: 26px 24px 24px;
  box-shadow: var(--shadow-sm);
  transition: transform .25s ease, box-shadow .25s ease, border-color .25s ease;
}
.value-card:hover {
  transform: translateY(-3px); box-shadow: var(--shadow-md);
  border-color: rgba(15,45,179,.45);
}
.value-head { display: flex; align-items: center; gap: 13px; margin-bottom: 12px; }
.value-card .v-ic {
  width: 46px; height: 46px; flex: none;
  border-radius: 12px;
  display: flex; align-items: center; justify-content: center;
  background: linear-gradient(145deg, var(--blue-softer), var(--blue-soft));
  color: var(--blue);
  box-shadow: inset 0 1px 0 rgba(255,255,255,.8);
}
.value-card h3 { font-size: 17.5px; font-weight: 700; color: var(--text); margin: 0; }
.value-card p { font-size: 13.5px; color: var(--text-dim); line-height: 1.8; margin: 0; }
@media (max-width: 1024px) { .values-grid { grid-template-columns: 1fr; } }

/* ---------- 产品中心：分类标题右侧「查看全部」 ---------- */
.category-title .cat-more {
  margin-left: auto;
  font-size: 13.5px; font-weight: 600; color: var(--blue);
  white-space: nowrap;
  transition: transform .2s ease;
}
.category-title .cat-more:hover { transform: translateX(3px); }
@media (max-width: 720px) { .category-title .cat-more { margin-left: 0; } }

/* ---------- 产品目录页（极简：图片 + 型号 + 名称） ---------- */
.catalog-grid {
  display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px;
}
.cat-item {
  display: flex; flex-direction: column;
  background: var(--panel); border: 1px solid var(--line);
  border-radius: 14px; overflow: hidden;
  transition: transform .25s ease, box-shadow .25s ease, border-color .25s ease;
}
.cat-item:hover {
  transform: translateY(-3px); box-shadow: var(--shadow-md);
  border-color: rgba(15,45,179,.42);
}
.cat-item .ci-thumb {
  height: 150px; background: #fff;
  border-bottom: 1px solid var(--line);
  display: flex; align-items: center; justify-content: center;
}
.cat-item .ci-thumb img {
  width: 100%; height: 100%;
  object-fit: cover;
  transition: transform .3s ease;
}
.cat-item:hover .ci-thumb img { transform: scale(1.05); }
.cat-item b {
  padding: 14px 16px 2px;
  font-size: 18px; font-weight: 800; color: var(--text);
  font-family: var(--font-head); letter-spacing: .3px;
}
.cat-item .ci-name {
  padding: 0 16px 16px;
  font-size: 12.5px; color: var(--text-dim); line-height: 1.6;
}
@media (max-width: 1024px) { .catalog-grid { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 560px)  { .catalog-grid { grid-template-columns: 1fr; } }

/* ---------- 页脚：logo 去重后稍放大补位 ---------- */
.footer-brand .logo-img { height: 38px; }

/* ============================================================
   v18：Hero 轮播改为全幅产品大图（2026-09-24）
   产品照片铺满整个横幅，文字叠放左侧，加深色渐变保证可读性
   ============================================================ */
.hero-slide { padding: 0; }
.slide-bg { position: absolute; inset: 0; z-index: 0; overflow: hidden; }
.slide-bg img {
  width: 100%; height: 100%;
  object-fit: cover; object-position: center;
}
.slide-veil {
  position: absolute; inset: 0; z-index: 1; pointer-events: none;
  background: linear-gradient(90deg,
    rgba(4,22,62,.94) 0%,
    rgba(4,22,62,.78) 30%,
    rgba(5,36,92,.38) 62%,
    rgba(5,36,92,.20) 100%);
}
.hero-row { display: block; position: relative; z-index: 2; }
.hero-text { max-width: 520px; }
.hero-slides { min-height: 640px; }
@media (max-width: 900px) {
  .slide-veil {
    background: linear-gradient(180deg,
      rgba(4,22,62,.55) 0%,
      rgba(4,22,62,.88) 55%,
      rgba(4,22,62,.95) 100%);
  }
  .hero-row { display: flex; align-items: flex-end; min-height: 640px; padding-bottom: 84px; }
}

/* ============ v19 加入我们（招聘） ============ */
.jobs-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 24px; }
.job-card {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 16px;
  padding: 26px 28px;
  box-shadow: var(--shadow-sm);
  transition: all .25s ease;
}
.job-card:hover { transform: translateY(-3px); box-shadow: var(--shadow-md); border-color: rgba(15,45,179,.4); }
.job-head { display: flex; align-items: center; justify-content: space-between; gap: 12px; margin-bottom: 14px; }
.job-head h3 { font-size: 17.5px; font-weight: 800; font-family: var(--font-head); }
.job-tag {
  flex-shrink: 0; font-size: 12px; color: var(--blue);
  background: rgba(15,45,179,.07); border: 1px solid rgba(15,45,179,.18);
  padding: 3px 10px; border-radius: 999px; white-space: nowrap;
}
.job-points { display: grid; gap: 8px; }
.job-points li { display: flex; gap: 9px; font-size: 13.5px; color: var(--text-dim); line-height: 1.75; }
.job-points li::before { content: "·"; color: var(--blue); font-weight: 800; flex-shrink: 0; }
.jobs-mail { margin-top: 26px; text-align: center; font-size: 14px; color: var(--text-dim); }
.jobs-mail a { color: var(--blue); font-weight: 600; }
@media (max-width: 860px) { .jobs-grid { grid-template-columns: 1fr; } }

/* ============ v20 职位详情页 ============ */
.job-card { color: inherit; text-decoration: none; display: block; }
.job-card .job-more {
  display: inline-block; margin-top: 14px;
  font-size: 13px; font-weight: 600; color: var(--blue);
}
.job-detail-head { display: flex; align-items: center; gap: 14px; margin-bottom: 24px; flex-wrap: wrap; }
.job-detail-head h2 { font-size: 26px; font-weight: 800; font-family: var(--font-head); }
.job-detail-cols { display: grid; grid-template-columns: 1fr 1fr; gap: 24px; }
.jd-card {
  background: var(--panel); border: 1px solid var(--line); border-radius: 16px;
  padding: 26px 28px; box-shadow: var(--shadow-sm);
}
.jd-card h3 { font-size: 16.5px; font-weight: 800; margin-bottom: 14px; font-family: var(--font-head); }
.jd-list { display: grid; gap: 10px; }
.jd-list li { display: flex; gap: 10px; font-size: 13.5px; color: var(--text-dim); line-height: 1.8; }
.jd-list li::before { content: "·"; color: var(--blue); font-weight: 800; flex-shrink: 0; }
.jd-apply {
  margin-top: 28px; background: linear-gradient(135deg, rgba(15,45,179,.05), rgba(43,89,255,.05));
  border: 1px solid rgba(15,45,179,.15); border-radius: 16px;
  padding: 26px 28px; text-align: center;
}
.jd-apply p { color: var(--text-dim); font-size: 14px; margin-bottom: 14px; }
.jd-apply a { color: var(--blue); font-weight: 600; }
.jd-related .rp-card .rp-body span { color: var(--text-faint); font-size: 12.5px; }
@media (max-width: 860px) { .job-detail-cols { grid-template-columns: 1fr; } }

/* ============ v23 可访问性与细节 ============ */
:focus-visible { outline: 2px solid var(--blue); outline-offset: 2px; border-radius: 4px; }
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation-duration: .01ms !important; animation-iteration-count: 1 !important; transition-duration: .01ms !important; scroll-behavior: auto !important; }
}

/* ============ v25 职位加分项 ============ */
.jd-plus { margin-top: 24px; }

/* ============ v29 联系页：服务承诺 + 到访指南 ============ */
.promise-box {
  margin-top: 22px; padding: 20px 22px;
  background: linear-gradient(135deg, rgba(15,45,179,.04), rgba(43,89,255,.04));
  border: 1px solid rgba(15,45,179,.12); border-radius: 14px;
}
.promise-box b { display: block; font-size: 14.5px; margin-bottom: 10px; font-family: var(--font-head); }
.promise-box li { display: flex; gap: 9px; font-size: 13px; color: var(--text-dim); line-height: 2; }
.promise-box li::before { content: "✓"; color: var(--blue); font-weight: 800; flex-shrink: 0; }
.visit-card {
  display: flex; align-items: center; justify-content: space-between; gap: 28px;
  background: var(--night-1, #0d1b33); border-radius: 20px; padding: 34px 40px;
  background: linear-gradient(120deg, #0a1e3f, #0f2db3 160%);
}
.visit-info h3 { color: #fff; font-size: 20px; font-weight: 800; margin-bottom: 8px; font-family: var(--font-head); }
.visit-addr { color: rgba(255,255,255,.92); font-size: 15.5px; font-weight: 600; }
.visit-tip { color: rgba(255,255,255,.55); font-size: 13px; margin-top: 6px; }
.visit-btns { display: flex; gap: 14px; flex-shrink: 0; }
.visit-btns .btn { background: rgba(255,255,255,.1); color: #fff; border: 1px solid rgba(255,255,255,.35); }
.visit-btns .btn:hover { background: rgba(255,255,255,.2); }
@media (max-width: 860px) { .visit-card { flex-direction: column; align-items: flex-start; padding: 28px 26px; } .visit-btns { flex-wrap: wrap; } }

/* ============ v30 服务支持栏目：下拉菜单 + FAQ + 新页面 ============ */
.main-nav .nav-item { position: relative; }
.main-nav .nav-item > a { display: inline-flex; align-items: center; gap: 5px; }
.main-nav .nav-item > a::after {
  content: ""; width: 7px; height: 7px; margin-left: 2px;
  border-right: 1.8px solid currentColor; border-bottom: 1.8px solid currentColor;
  transform: rotate(45deg) translateY(-2px); transition: transform .2s; opacity: .55;
}
.main-nav .nav-item:hover > a::after { transform: rotate(225deg) translateY(-1px); }
.nav-drop {
  position: absolute; top: calc(100% + 6px); left: 50%;
  transform: translateX(-50%) translateY(8px);
  min-width: 150px; padding: 8px;
  background: #fff; border: 1px solid var(--line); border-radius: 12px;
  box-shadow: 0 14px 38px rgba(13,27,51,.13);
  opacity: 0; visibility: hidden; transition: all .22s ease; z-index: 60;
}
.nav-drop::before { content: ""; position: absolute; top: -7px; left: 0; right: 0; height: 7px; }
.nav-item:hover .nav-drop, .nav-item:focus-within .nav-drop {
  opacity: 1; visibility: visible; transform: translateX(-50%) translateY(0);
}
.nav-drop a {
  display: block; padding: 10px 14px; border-radius: 8px;
  font-size: 14px; color: var(--text-dim); white-space: nowrap;
}
.nav-drop a:hover { background: var(--blue-soft); color: var(--blue); }
.nav-drop a.active { color: var(--blue); font-weight: 600; }

/* FAQ 手风琴 */
.faq-item {
  background: var(--panel); border: 1px solid var(--line); border-radius: 14px;
  margin-bottom: 12px; overflow: hidden; transition: border-color .2s;
}
.faq-item[open] { border-color: rgba(15,45,179,.35); }
.faq-item summary {
  list-style: none; cursor: pointer; padding: 18px 22px;
  font-size: 15px; font-weight: 600; color: var(--text);
  display: flex; align-items: center; justify-content: space-between; gap: 14px;
}
.faq-item summary::-webkit-details-marker { display: none; }
.faq-item summary::after {
  content: "+"; font-size: 20px; font-weight: 400; color: var(--blue);
  flex-shrink: 0; transition: transform .2s; line-height: 1;
}
.faq-item[open] summary::after { transform: rotate(45deg); }
.faq-a { padding: 0 22px 18px; }
.faq-a p { font-size: 13.5px; color: var(--text-dim); line-height: 1.9; }

/* 售后服务页 */
.steps-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 18px; margin-top: 30px; }
.step-card {
  background: var(--panel); border: 1px solid var(--line); border-radius: 14px;
  padding: 22px 20px; box-shadow: var(--shadow-sm); position: relative;
}
.step-n { font-size: 26px; font-weight: 800; color: rgba(15,45,179,.16); font-family: var(--font-head); display: block; margin-bottom: 8px; }
.step-card b { display: block; font-size: 15.5px; margin-bottom: 6px; }
.step-card p { font-size: 12.5px; color: var(--text-dim); line-height: 1.75; }
.svc-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; margin-top: 30px; }
.svc-item { background: var(--panel); border: 1px solid var(--line); border-radius: 14px; padding: 22px; box-shadow: var(--shadow-sm); }
.svc-item b { display: block; font-size: 15.5px; margin-bottom: 8px; }
.svc-item b::before { content: ""; display: inline-block; width: 8px; height: 8px; border-radius: 2px; background: var(--blue); margin-right: 9px; vertical-align: 1px; }
.svc-item p { font-size: 13px; color: var(--text-dim); line-height: 1.8; }
.svc-contact { text-align: center; margin-top: 40px; }
.svc-contact p { color: var(--text-dim); font-size: 14.5px; margin-bottom: 16px; }
.svc-contact > div { display: flex; gap: 14px; justify-content: center; flex-wrap: wrap; }

@media (max-width: 960px) {
  .steps-grid { grid-template-columns: repeat(2, 1fr); }
  .svc-grid { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 720px) {
  .main-nav .nav-item { display: block; }
  .nav-drop {
    position: static; opacity: 1; visibility: visible; transform: none;
    box-shadow: none; border: 0; padding: 0 0 4px 18px; min-width: 0;
  }
  .nav-drop a { padding: 9px 10px; }
  .steps-grid, .svc-grid { grid-template-columns: 1fr; }
}

/* ============ v31 全导航下拉 + 应用笔记/培训 ============ */
.nav-drop { min-width: 168px; }
.note-card {
  background: var(--panel); border: 1px solid var(--line); border-radius: 16px;
  padding: 26px 30px; margin-bottom: 18px; box-shadow: var(--shadow-sm);
}
.note-head { display: flex; align-items: baseline; justify-content: space-between; gap: 14px; margin-bottom: 14px; }
.note-head h3 { font-size: 17px; font-weight: 800; font-family: var(--font-head); }
.note-date { font-size: 12.5px; color: var(--text-faint); flex-shrink: 0; }
.note-body { display: grid; gap: 9px; }
.note-body li { display: flex; gap: 10px; font-size: 13.5px; color: var(--text-dim); line-height: 1.85; }
.note-body li::before { content: "·"; color: var(--blue); font-weight: 800; flex-shrink: 0; }
.train-tag {
  display: inline-block; margin-left: 10px; padding: 2px 10px; border-radius: 999px;
  font-size: 11.5px; color: var(--blue); background: rgba(15,45,179,.07); border: 1px solid rgba(15,45,179,.18); vertical-align: 2px;
}

/* ============ v32 服务支持落地页六模块入口 ============ */
.sp-hub { display: grid; grid-template-columns: repeat(3, 1fr); gap: 14px; margin-top: 8px; }
.sp-card {
  display: block; background: var(--panel); border: 1px solid var(--line); border-radius: 14px;
  padding: 18px 20px; box-shadow: var(--shadow-sm); transition: border-color .18s ease, transform .18s ease, box-shadow .18s ease;
}
.sp-card b { display: block; font-size: 15px; font-weight: 700; color: var(--text); margin-bottom: 5px; }
.sp-card span { font-size: 12.5px; color: var(--text-dim); line-height: 1.6; }
.sp-card:hover { border-color: var(--blue); transform: translateY(-2px); box-shadow: var(--shadow-md, 0 10px 24px rgba(15,45,179,.10)); }
.sp-card.is-current { border-color: rgba(15,45,179,.45); background: linear-gradient(180deg, rgba(15,45,179,.05), rgba(43,89,255,.03)); }
.sp-card.is-current b { color: var(--blue); }
@media (max-width: 960px) { .sp-hub { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 560px) { .sp-hub { grid-template-columns: 1fr; } }

/* ============ v33 序列号查询双栏 + 服务入口卡箭头 ============ */
.sn-grid { display: grid; grid-template-columns: 1.15fr 0.85fr; gap: 26px; align-items: start; }
.sn-aside { display: grid; gap: 14px; }
.sn-aside .svc-item { padding: 20px 22px; }
@media (max-width: 860px) { .sn-grid { grid-template-columns: 1fr; } }
.sp-card { position: relative; padding-right: 38px; }
.sp-card::after {
  content: "›"; position: absolute; right: 18px; top: 50%; transform: translateY(-50%);
  font-size: 20px; line-height: 1; color: var(--text-faint); transition: color .18s ease, transform .18s ease;
}
.sp-card:hover::after { color: var(--blue); transform: translate(3px, -50%); }

/* ============ v34 全站排版协调与稳健性 ============ */
/* 1) 锚点平滑滚动 + 不被吸顶导航遮挡 */
html { scroll-behavior: smooth; scroll-padding-top: 92px; }

/* 2) reveal 稳健性：仅当 JS 就绪（html.js）才隐藏入场，杜绝 JS 失效时内容消失 */
html.js .reveal {
  opacity: 0; transform: translateY(26px);
  transition: opacity .7s cubic-bezier(.22,.68,.35,1), transform .7s cubic-bezier(.22,.68,.35,1);
}
html.js .reveal.in { opacity: 1; transform: none; }
html.js .reveal-d1 { transition-delay: .08s; }
html.js .reveal-d2 { transition-delay: .16s; }
@media (prefers-reduced-motion: reduce) {
  html.js .reveal { opacity: 1; transform: none; transition: none; }
  html { scroll-behavior: auto; }
}

/* 3) 内页横幅：更从容的呼吸感与描述行高 */
.page-banner { padding: 68px 0 60px; }
.page-banner p { line-height: 1.85; }
.page-banner .crumbs { margin-top: 16px; }

/* 4) 产品中心锚点导航「产品目录」由重渐变改描边胶囊，与分类 chips 协调 */
.cat-tabs a.cta-link {
  background: var(--panel); color: var(--blue);
  border-color: rgba(15,45,179,.35); box-shadow: none;
}
.cat-tabs a.cta-link:hover {
  background: var(--blue-grad); color: #fff; border-color: transparent;
}

/* 5) 键盘焦点可见性（无障碍 + 质感细节） */
a:focus-visible, button:focus-visible, input:focus-visible, select:focus-visible,
textarea:focus-visible, summary:focus-visible {
  outline: 2px solid var(--blue); outline-offset: 2px; border-radius: 6px;
}

/* 6) 页脚水印再退一档，不与正文抢视线 */
.site-footer::after { color: rgba(255,255,255,.016); }

/* 7) 联系页到访横幅按钮描边加强，灰底上更清晰 */
.visit-btns .btn-ghost { border-color: rgba(255,255,255,.55); color: #fff; }

/* ============ v35 导航下拉：宽度随内容自适应 + 文字居中 ============ */
@media (min-width: 721px) {
  .nav-drop { min-width: 0; width: max-content; padding: 8px 10px; }
  .nav-drop a { text-align: center; padding: 10px 26px; }
}

/* ============ v36 下拉再收窄一档 ============ */
@media (min-width: 721px) {
  .nav-drop { padding: 6px 8px; }
  .nav-drop a { padding: 9px 18px; }
}

/* ============ v37 逐页字号层级与比例精修 ============ */
/* 全站小字下限统一：13px 以下仅保留标签类文本 */
.specs li { font-size: 13.5px; }
.prod-card .body .subname { font-size: 13px; color: var(--text-dim); }
.svc-item p { font-size: 13.5px; }
.sol-prod span { font-size: 13px; }
.hl-card p { font-size: 14px; line-height: 1.8; }

/* 详情页：技术参数与典型应用等高，应用列表在卡内垂直均布 */
#detailRoot .detail-sections { align-items: stretch; }
.detail-sections .detail-section:nth-child(2) { display: flex; flex-direction: column; }
.detail-sections .detail-section:nth-child(2) .app-list {
  flex: 1; display: flex; flex-direction: column; justify-content: space-evenly;
}

/* 关于页：发展历程字号与行距提升 */
.tl-item .year { font-size: 14px; margin-bottom: 6px; }
.tl-item p { font-size: 14.5px; line-height: 1.8; }
.tl-item { padding-bottom: 34px; }

/* 职位详情：标题层级加大、条目可读性 */
.job-detail-head h2 { font-size: clamp(24px, 2.6vw, 30px); }
.job-points li { font-size: 14px; line-height: 1.85; }

/* ============ v38 解决方案：工作流程 + 成果指标 + 落地入口 ============ */
.sol-extra { grid-column: 1 / -1; display: grid; gap: 18px; border-top: 1px dashed var(--line); padding-top: 22px; }
.sol-flow { display: grid; grid-template-columns: repeat(4, 1fr); gap: 12px; }
.sf-step {
  position: relative; background: var(--panel); border: 1px solid var(--line);
  border-radius: 12px; padding: 14px 16px; display: flex; align-items: center; gap: 12px;
}
.sf-step em {
  font-style: normal; font-family: var(--font-head); font-weight: 800; font-size: 15px;
  color: var(--blue); background: rgba(15,45,179,.08); border-radius: 8px;
  width: 32px; height: 32px; display: flex; align-items: center; justify-content: center; flex-shrink: 0;
}
.sf-step b { font-size: 14px; font-weight: 700; color: var(--text); letter-spacing: .3px; }
.sf-step:not(:last-child)::after {
  content: "›"; position: absolute; right: -13px; top: 50%; transform: translateY(-50%);
  color: var(--text-faint); font-size: 18px; z-index: 1;
}
.sol-bottom { display: grid; grid-template-columns: 1.2fr 1fr; gap: 20px; align-items: center; }
.sol-metrics { display: grid; grid-template-columns: repeat(3, 1fr); gap: 12px; }
.sm-item { background: var(--panel); border: 1px solid var(--line); border-radius: 12px; padding: 14px 16px; }
.sm-item b {
  display: block; font-family: var(--font-head); font-weight: 800; font-size: 24px; line-height: 1.15;
  color: var(--blue);
}
.sm-item b i { font-style: normal; font-size: 13px; font-weight: 700; margin-left: 3px; }
.sm-item span { display: block; margin-top: 4px; font-size: 12.5px; color: var(--text-dim); }
.sol-links { background: var(--panel); border: 1px solid var(--line); border-radius: 12px; padding: 16px 18px; }
.sol-links p { font-size: 13px; color: var(--text-dim); line-height: 1.7; margin-bottom: 12px; }
.sol-links > div { display: flex; gap: 10px; flex-wrap: wrap; }
.sol-links .btn { padding: 9px 18px; font-size: 13.5px; }
@media (max-width: 1024px) {
  .sol-flow { grid-template-columns: repeat(2, 1fr); }
  .sf-step:not(:last-child)::after { display: none; }
  .sol-bottom { grid-template-columns: 1fr; }
}
@media (max-width: 560px) {
  .sol-flow { grid-template-columns: 1fr; }
  .sol-metrics { grid-template-columns: 1fr; }
}

/* ============ v39 产品详情加深：应用场景 / 参数分组 / FAQ / 服务闭环 ============ */
.scene-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 16px; margin-top: 24px; }
.scene-card {
  background: linear-gradient(165deg, var(--panel), #f8faff);
  border: 1px solid var(--line); border-radius: 14px; padding: 20px 22px;
  transition: border-color .2s ease, box-shadow .2s ease, transform .2s ease;
}
.scene-card:hover { border-color: rgba(15,45,179,.3); box-shadow: var(--shadow-md); transform: translateY(-2px); }
.scene-card b { display: flex; align-items: center; gap: 8px; font-size: 15.5px; font-weight: 700; color: var(--text); margin-bottom: 7px; }
.scene-card b::before { content: ""; width: 7px; height: 7px; border-radius: 2px; background: var(--blue-grad); flex-shrink: 0; }
.scene-card p { font-size: 13.5px; color: var(--text-dim); line-height: 1.8; margin: 0; }

.detail-table .pg-row th {
  background: linear-gradient(90deg, rgba(15,45,179,.07), rgba(15,45,179,.02));
  color: var(--blue); font-weight: 800; font-size: 13.5px; letter-spacing: 1px;
  padding: 9px 12px; border-bottom: 1px solid var(--line); text-align: left;
}
.detail-table .pg-row:first-child th { border-top-left-radius: 8px; border-top-right-radius: 8px; }

.pf-list { display: grid; gap: 10px; }
.pf-item { border-radius: 12px; }
.pf-item summary { cursor: pointer; padding: 13px 16px; font-size: 14px; font-weight: 600; color: var(--text); list-style: none; position: relative; padding-right: 34px; }
.pf-item summary::-webkit-details-marker { display: none; }
.pf-item summary::after { content: "+"; position: absolute; right: 15px; top: 50%; transform: translateY(-50%); color: var(--blue); font-weight: 800; font-size: 16px; }
.pf-item[open] summary::after { content: "−"; }
.pf-item .faq-a { padding: 0 16px 13px; }
.pf-item .faq-a p { font-size: 13.5px; color: var(--text-dim); line-height: 1.8; margin: 0; }

.ss-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 14px; margin-top: 24px; }
.ss-item { display: flex; flex-direction: column; gap: 6px; background: var(--panel); border: 1px solid var(--line); border-radius: 12px; padding: 18px 20px; }
.ss-item svg { width: 22px; height: 22px; color: var(--blue); }
.ss-item b { font-size: 14.5px; font-weight: 700; color: var(--text); }
.ss-item span { font-size: 12.5px; color: var(--text-dim); line-height: 1.7; }
.ss-actions { display: flex; gap: 12px; flex-wrap: wrap; margin-top: 18px; }
@media (max-width: 900px) {
  .scene-grid { grid-template-columns: 1fr; }
  .ss-grid { grid-template-columns: 1fr; }
}

/* ============ v40 深度对标升级：首页动态位 / 维保服务包 ============ */
/* 首页最新动态内容位 */
.up-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; }
.up-card {
  display: flex; flex-direction: column; gap: 10px;
  background: var(--panel); border: 1px solid var(--line); border-radius: 14px;
  padding: 20px 22px; box-shadow: var(--shadow-sm);
  transition: border-color .2s ease, transform .2s ease, box-shadow .2s ease;
}
.up-card:hover { border-color: rgba(15,45,179,.35); transform: translateY(-3px); box-shadow: var(--shadow-md); }
.up-meta { display: flex; align-items: center; gap: 10px; }
.up-tag {
  font-size: 11.5px; font-weight: 700; color: var(--blue);
  background: rgba(15,45,179,.08); border-radius: 999px; padding: 3px 10px; letter-spacing: .5px;
}
.up-date { font-size: 12px; color: var(--text-faint); }
.up-card h3 { font-size: 15px; font-weight: 700; color: var(--text); line-height: 1.6; margin: 0; flex: 1; }
.up-go { font-size: 13px; color: var(--blue); font-weight: 600; }
@media (max-width: 960px) { .up-grid { grid-template-columns: 1fr; } }

/* 售后页维保服务包 */
.plan-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; align-items: stretch; }
.plan-card {
  display: flex; flex-direction: column;
  background: var(--panel); border: 1px solid var(--line); border-radius: 16px;
  padding: 24px 24px 22px; box-shadow: var(--shadow-sm);
  transition: border-color .2s ease, box-shadow .2s ease, transform .2s ease;
}
.plan-card:hover { border-color: rgba(15,45,179,.3); transform: translateY(-2px); box-shadow: var(--shadow-md); }
.plan-card.is-hl {
  border-color: rgba(15,45,179,.45);
  background: linear-gradient(180deg, rgba(15,45,179,.05), rgba(43,89,255,.02));
  box-shadow: var(--shadow-md);
}
.plan-top { display: flex; align-items: center; justify-content: space-between; gap: 10px; margin-bottom: 6px; }
.plan-top b { font-size: 17px; font-weight: 800; color: var(--text); }
.plan-card.is-hl .plan-top b { color: var(--blue); }
.plan-tag {
  font-size: 11.5px; font-weight: 700; color: var(--blue);
  border: 1px solid rgba(15,45,179,.35); border-radius: 999px; padding: 3px 10px; white-space: nowrap;
}
.plan-for { font-size: 12.5px; color: var(--text-faint); margin: 0 0 14px; }
.plan-feats { list-style: none; margin: 0 0 20px; padding: 0; display: grid; gap: 9px; flex: 1; }
.plan-feats li {
  position: relative; padding-left: 22px; font-size: 13.5px; color: var(--text-dim); line-height: 1.7;
}
.plan-feats li::before {
  content: "✓"; position: absolute; left: 0; top: 0;
  color: var(--blue); font-weight: 800; font-size: 13px;
}
.plan-card .btn { width: 100%; text-align: center; }
@media (max-width: 960px) { .plan-grid { grid-template-columns: 1fr; } }

/* ============ v41 产品对比 + 选型指南 ============ */
/* 产品卡片对比勾选 */
.cmp-pick {
  display: inline-flex; align-items: center; gap: 5px; font-size: 13px;
  color: var(--text-dim); cursor: pointer; user-select: none; margin-left: 12px;
}
.cmp-pick input { accent-color: var(--blue); width: 15px; height: 15px; cursor: pointer; }
.cmp-pick:has(input:checked) { color: var(--blue); font-weight: 600; }

/* 悬浮对比条 */
.cmp-bar {
  position: fixed; left: 50%; bottom: 24px; transform: translateX(-50%);
  z-index: 60; display: flex; align-items: center; gap: 16px;
  background: var(--ink, #101a33); color: #fff; border-radius: 999px;
  padding: 10px 12px 10px 24px; box-shadow: 0 12px 32px rgba(10,20,50,.35);
}
.cmp-list { font-size: 13.5px; opacity: .9; }
.cmp-actions { display: flex; gap: 8px; }
.cmp-bar .btn { padding: 8px 18px; font-size: 13.5px; }
@media (max-width: 640px) {
  .cmp-bar { width: calc(100% - 32px); border-radius: 16px; padding: 12px 16px; flex-wrap: wrap; justify-content: center; }
}

/* 对比表 */
.cmp-crumb { font-size: 13.5px; color: var(--text-dim); margin-bottom: 16px; }
.cmp-scroll { overflow-x: auto; border: 1px solid var(--line); border-radius: 14px; background: var(--panel); }
.cmp-table { width: 100%; border-collapse: collapse; min-width: 640px; }
.cmp-table th, .cmp-table td { padding: 11px 14px; border-bottom: 1px solid var(--line); font-size: 13.5px; text-align: left; vertical-align: top; }
.cmp-table tbody tr:last-child th, .cmp-table tbody tr:last-child td { border-bottom: none; }
.cmp-table thead th { background: linear-gradient(180deg, rgba(15,45,179,.05), transparent); border-bottom: 2px solid var(--line); text-align: center; }
.cmp-table thead th.cmp-label { text-align: left; width: 150px; }
.cmp-col { min-width: 180px; }
.cmp-col img { width: 130px; height: 82px; object-fit: cover; border-radius: 8px; display: block; margin: 0 auto 10px; }
.cmp-col b { display: block; font-size: 15px; color: var(--text); }
.cmp-col span { display: block; font-size: 12px; color: var(--text-dim); margin: 3px 0 10px; line-height: 1.5; }
.cmp-col.is-hl { background: rgba(15,45,179,.05); box-shadow: inset 0 0 0 2px rgba(15,45,179,.4); }
.cmp-table td.diff { color: var(--blue); font-weight: 700; }
.cmp-table .pg-row th { background: linear-gradient(90deg, rgba(15,45,179,.07), rgba(15,45,179,.02)); color: var(--blue); font-weight: 800; font-size: 13px; letter-spacing: 1px; }

/* 选型指南 */
.gd-howto {
  background: linear-gradient(165deg, rgba(15,45,179,.06), rgba(43,89,255,.03));
  border: 1px solid rgba(15,45,179,.18); border-radius: 14px; padding: 20px 24px; margin-bottom: 36px;
}
.gd-howto b { font-size: 15px; color: var(--blue); }
.gd-howto p { margin: 6px 0 0; font-size: 13.5px; color: var(--text-dim); line-height: 1.8; }
.gd-section { margin-bottom: 44px; }
.gd-section .category-title { margin-bottom: 4px; }
.gd-intro { font-size: 13px; color: var(--text-faint); margin: 0 0 18px; }
.gd-row {
  display: grid; grid-template-columns: 1.1fr 0.9fr 1.4fr; gap: 18px; align-items: center;
  background: var(--panel); border: 1px solid var(--line); border-radius: 14px;
  padding: 18px 22px; margin-bottom: 12px;
  transition: border-color .2s ease, box-shadow .2s ease;
}
.gd-row:hover { border-color: rgba(15,45,179,.3); box-shadow: var(--shadow-sm); }
.gd-scene b { font-size: 14.5px; font-weight: 700; color: var(--text); line-height: 1.6; }
.gd-scene b::before { content: "›"; color: var(--blue); font-weight: 800; margin-right: 8px; }
.gd-recs { display: flex; flex-wrap: wrap; gap: 8px; }
.gd-model {
  display: inline-flex; align-items: center; gap: 6px;
  border: 1px solid rgba(15,45,179,.35); color: var(--blue); border-radius: 999px;
  padding: 6px 14px; font-size: 13px; font-weight: 700; font-family: var(--font-head);
  transition: background .18s ease, color .18s ease, border-color .18s ease;
}
.gd-model i { font-style: normal; font-weight: 400; }
.gd-model:hover { background: var(--blue-grad); color: #fff; border-color: transparent; }
.gd-reason { margin: 0; font-size: 13px; color: var(--text-dim); line-height: 1.75; }
@media (max-width: 960px) {
  .gd-row { grid-template-columns: 1fr; gap: 10px; }
}