/* ==========================================================================
   无锡辉鼎钣金科技有限公司 官方网站 — 全局样式
   工业蓝科技感主题
   ========================================================================== */

:root {
  --primary: #0b4f9e;
  --primary-dark: #07396f;
  --primary-darker: #052a54;
  --primary-light: #1e8fd6;
  --accent: #00a8e8;
  --accent-soft: #e8f4fd;
  --dark: #0f2440;
  --ink: #1b2a3f;
  --text: #3a4a5f;
  --muted: #6b7c93;
  --bg: #f5f8fc;
  --bg-soft: #eef3f9;
  --white: #ffffff;
  --border: #e3e9f2;
  --metal: #8a97a8;
  --gold: #d4a14b;
  --shadow-sm: 0 2px 8px rgba(15, 36, 64, 0.06);
  --shadow-md: 0 8px 24px rgba(15, 36, 64, 0.10);
  --shadow-lg: 0 16px 40px rgba(15, 36, 64, 0.14);
  --radius: 12px;
  --radius-lg: 18px;
  --font: "PingFang SC", "Microsoft YaHei", "Hiragino Sans GB", "Segoe UI", "Helvetica Neue", Arial, sans-serif;
  --maxw: 1200px;
  --header-h: 72px;
}

* { margin: 0; padding: 0; box-sizing: border-box; }

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

body {
  font-family: var(--font);
  color: var(--text);
  background: var(--bg);
  line-height: 1.7;
  font-size: 15px;
  -webkit-font-smoothing: antialiased;
}

a { color: inherit; text-decoration: none; }
img { max-width: 100%; display: block; }
ul, ol { list-style: none; }
button { font-family: inherit; cursor: pointer; border: none; background: none; }

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

.section { padding: 78px 0; }
.section--gray { background: var(--white); }
.section--soft { background: var(--bg-soft); }

/* 区块标题 */
.section-head { max-width: 720px; margin: 0 auto 46px; text-align: center; }
.section-head .kicker {
  display: inline-block;
  font-size: 13px;
  letter-spacing: 3px;
  color: var(--primary-light);
  text-transform: uppercase;
  font-weight: 700;
  margin-bottom: 10px;
}
.section-head h2 {
  font-size: 32px;
  color: var(--dark);
  font-weight: 700;
  line-height: 1.3;
  margin-bottom: 14px;
}
.section-head h2::after {
  content: "";
  display: block;
  width: 56px;
  height: 4px;
  margin: 16px auto 0;
  border-radius: 2px;
  background: linear-gradient(90deg, var(--primary), var(--accent));
}
.section-head p { color: var(--muted); font-size: 15.5px; }

/* ==========================================================================
   顶部导航
   ========================================================================== */
.site-header {
  position: fixed;
  top: 0; left: 0; right: 0;
  height: var(--header-h);
  background: rgba(255, 255, 255, 0.96);
  backdrop-filter: saturate(180%) blur(10px);
  border-bottom: 1px solid var(--border);
  z-index: 100;
  transition: box-shadow .3s;
}
.site-header.scrolled { box-shadow: var(--shadow-sm); }

.header-inner {
  height: var(--header-h);
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.logo { display: flex; align-items: center; gap: 12px; }
.logo-mark {
  width: 42px; height: 42px;
  flex: none;
  border-radius: 9px;
  background: linear-gradient(135deg, var(--primary), var(--accent));
  display: grid; place-items: center;
  color: #fff; font-weight: 800; font-size: 19px;
  letter-spacing: 0;
  box-shadow: 0 4px 12px rgba(11, 79, 158, 0.35);
}
.logo-text { line-height: 1.2; }
.logo-text .cn { font-size: 17px; font-weight: 700; color: var(--dark); }
.logo-text .en { font-size: 11px; color: var(--muted); letter-spacing: 1.5px; }

.main-nav ul { display: flex; align-items: center; gap: 6px; }
.main-nav a {
  display: block;
  padding: 9px 16px;
  font-size: 15px;
  color: var(--ink);
  font-weight: 500;
  border-radius: 8px;
  transition: color .2s, background .2s;
  position: relative;
}
.main-nav a:hover { color: var(--primary); background: var(--accent-soft); }
.main-nav a.active { color: var(--primary); font-weight: 700; }
.main-nav a.active::after {
  content: "";
  position: absolute;
  left: 16px; right: 16px; bottom: 4px;
  height: 2px;
  background: var(--primary);
  border-radius: 1px;
}

.header-tel {
  display: flex; align-items: center; gap: 8px;
  font-weight: 700; color: var(--primary);
  font-size: 15px;
  white-space: nowrap;
}
.header-tel svg { flex: none; }

.nav-toggle { display: none; width: 42px; height: 42px; place-items: center; }
.nav-toggle span, .nav-toggle span::before, .nav-toggle span::after {
  display: block; width: 22px; height: 2px; background: var(--dark);
  border-radius: 2px; transition: .25s;
}
.nav-toggle span { position: relative; }
.nav-toggle span::before { content: ""; position: absolute; top: -7px; left: 0; }
.nav-toggle span::after { content: ""; position: absolute; top: 7px; left: 0; }

/* ==========================================================================
   页头横幅（内页）
   ========================================================================== */
.page-hero {
  padding: calc(var(--header-h) + 56px) 0 56px;
  background:
    radial-gradient(1000px 500px at 85% -10%, rgba(0, 168, 232, 0.18), transparent 60%),
    radial-gradient(900px 500px at 10% 120%, rgba(11, 79, 158, 0.25), transparent 60%),
    linear-gradient(135deg, var(--primary-darker), var(--primary-dark) 55%, var(--primary));
  color: #fff;
  position: relative;
  overflow: hidden;
}
.page-hero::after {
  content: "";
  position: absolute; inset: 0;
  background-image: linear-gradient(rgba(255,255,255,0.05) 1px, transparent 1px),
                    linear-gradient(90deg, rgba(255,255,255,0.05) 1px, transparent 1px);
  background-size: 44px 44px;
  mask-image: linear-gradient(180deg, rgba(0,0,0,0.4), transparent 70%);
  pointer-events: none;
}
.page-hero .container { position: relative; z-index: 2; }
.page-hero h1 { font-size: 38px; font-weight: 800; margin-bottom: 12px; }
.page-hero .crumbs { font-size: 14px; color: rgba(255,255,255,0.8); }
.page-hero .crumbs b { color: #fff; }

/* ==========================================================================
   按钮
   ========================================================================== */
.btn {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 13px 28px;
  border-radius: 9px;
  font-size: 15px; font-weight: 600;
  transition: transform .2s, box-shadow .2s, background .2s;
  line-height: 1;
}
.btn-primary {
  background: linear-gradient(135deg, var(--primary), var(--primary-light));
  color: #fff;
  box-shadow: 0 8px 20px rgba(11, 79, 158, 0.30);
}
.btn-primary:hover { transform: translateY(-2px); box-shadow: 0 12px 26px rgba(11, 79, 158, 0.40); }
.btn-ghost {
  background: rgba(255,255,255,0.14);
  color: #fff;
  border: 1px solid rgba(255,255,255,0.4);
}
.btn-ghost:hover { background: rgba(255,255,255,0.26); transform: translateY(-2px); }
.btn-outline {
  background: #fff;
  color: var(--primary);
  border: 1.5px solid var(--primary);
}
.btn-outline:hover { background: var(--accent-soft); }

/* ==========================================================================
   首页 Hero
   ========================================================================== */
.hero {
  position: relative;
  min-height: 86vh;
  display: flex; align-items: center;
  padding: calc(var(--header-h) + 40px) 0 70px;
  overflow: hidden;
  color: #fff;
}
.hero-bg { position: absolute; inset: 0; z-index: -2; }
.hero-bg img { width: 100%; height: 100%; object-fit: cover; }
.hero-bg::after {
  content: "";
  position: absolute; inset: 0;
  background: linear-gradient(100deg, rgba(5, 30, 56, 0.92) 0%, rgba(7, 57, 111, 0.78) 48%, rgba(7, 57, 111, 0.45) 100%);
}
.hero-content { max-width: 660px; }
.hero-tag {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 7px 16px; border-radius: 100px;
  background: rgba(0, 168, 232, 0.16);
  border: 1px solid rgba(0, 168, 232, 0.5);
  color: #bfeaff; font-size: 13.5px; font-weight: 600;
  margin-bottom: 22px;
}
.hero-content h1 {
  font-size: 46px; line-height: 1.22; font-weight: 800;
  margin-bottom: 20px; letter-spacing: 1px;
}
.hero-content h1 em { font-style: normal; color: #6fd0ff; }
.hero-content .lead { font-size: 17px; color: rgba(255,255,255,0.85); margin-bottom: 32px; max-width: 540px; }
.hero-actions { display: flex; gap: 14px; flex-wrap: wrap; }

.hero-stats {
  margin-top: 44px;
  display: flex; gap: 40px; flex-wrap: wrap;
}
.hero-stats .stat { border-left: 3px solid var(--accent); padding-left: 14px; }
.hero-stats .num { font-size: 30px; font-weight: 800; color: #fff; line-height: 1.1; }
.hero-stats .num i { font-style: normal; font-size: 16px; margin-left: 2px; color: #9adcff; }
.hero-stats .label { font-size: 13.5px; color: rgba(255,255,255,0.72); margin-top: 4px; }

/* ==========================================================================
   首页 能力亮点
   ========================================================================== */
.features-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 22px;
}
.feature-card {
  background: #fff;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 30px 24px;
  transition: transform .25s, box-shadow .25s, border-color .25s;
  position: relative;
  overflow: hidden;
}
.feature-card::before {
  content: "";
  position: absolute; top: 0; left: 0; right: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--primary), var(--accent));
  opacity: 0; transition: opacity .25s;
}
.feature-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-md); border-color: transparent; }
.feature-card:hover::before { opacity: 1; }
.feature-icon {
  width: 56px; height: 56px; border-radius: 13px;
  background: linear-gradient(135deg, var(--accent-soft), #d6edff);
  display: grid; place-items: center;
  color: var(--primary);
  margin-bottom: 18px;
}
.feature-card h3 { font-size: 18px; color: var(--dark); margin-bottom: 10px; }
.feature-card p { font-size: 14.5px; color: var(--muted); }

/* ==========================================================================
   首页 产品分类
   ========================================================================== */
.cat-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.cat-card {
  position: relative;
  border-radius: var(--radius-lg);
  overflow: hidden;
  height: 320px;
  display: block;
  box-shadow: var(--shadow-sm);
  transition: transform .3s, box-shadow .3s;
}
.cat-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-lg); }
.cat-card img { width: 100%; height: 100%; object-fit: cover; transition: transform .6s; }
.cat-card:hover img { transform: scale(1.06); }
.cat-card .overlay {
  position: absolute; inset: 0;
  background: linear-gradient(180deg, rgba(5, 30, 56, 0) 30%, rgba(5, 30, 56, 0.88) 100%);
  display: flex; flex-direction: column; justify-content: flex-end;
  padding: 26px;
  color: #fff;
}
.cat-card .overlay h3 { font-size: 22px; margin-bottom: 6px; }
.cat-card .overlay p { font-size: 14px; color: rgba(255,255,255,0.82); }
.cat-card .more { margin-top: 12px; font-size: 13.5px; color: #8ed8ff; font-weight: 600; display: inline-flex; align-items: center; gap: 5px; }

/* ==========================================================================
   首页 设备实力（横向卡片）
   ========================================================================== */
.equip-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.equip-card {
  background: #fff;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
  transition: transform .25s, box-shadow .25s;
}
.equip-card:hover { transform: translateY(-5px); box-shadow: var(--shadow-md); }
.equip-card .thumb { height: 190px; overflow: hidden; }
.equip-card .thumb img { width: 100%; height: 100%; object-fit: cover; }
.equip-card .body { padding: 20px 22px; }
.equip-card .body h3 { font-size: 17.5px; color: var(--dark); margin-bottom: 8px; }
.equip-card .body p { font-size: 14px; color: var(--muted); }
.equip-card .tag {
  display: inline-block; margin-top: 12px;
  font-size: 12.5px; color: var(--primary);
  background: var(--accent-soft);
  padding: 4px 10px; border-radius: 100px; font-weight: 600;
}

/* ==========================================================================
   数据带
   ========================================================================== */
.band {
  background:
    radial-gradient(800px 400px at 80% 20%, rgba(0,168,232,0.18), transparent 60%),
    linear-gradient(135deg, var(--primary-darker), var(--primary-dark));
  color: #fff;
  padding: 60px 0;
}
.band-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 30px; text-align: center; }
.band-item .num { font-size: 40px; font-weight: 800; line-height: 1; }
.band-item .num i { font-style: normal; font-size: 18px; color: #8ed8ff; margin-left: 2px; }
.band-item .label { margin-top: 10px; font-size: 14.5px; color: rgba(255,255,255,0.75); }
.band-item .line { width: 40px; height: 3px; background: var(--accent); margin: 14px auto 0; border-radius: 2px; }

/* ==========================================================================
   首页 新闻
   ========================================================================== */
.news-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.news-card {
  background: #fff; border: 1px solid var(--border); border-radius: var(--radius);
  overflow: hidden; display: flex; flex-direction: column;
  transition: transform .25s, box-shadow .25s;
}
.news-card:hover { transform: translateY(-5px); box-shadow: var(--shadow-md); }
.news-card .thumb { height: 170px; overflow: hidden; }
.news-card .thumb img { width: 100%; height: 100%; object-fit: cover; }
.news-card .body { padding: 20px 22px; display: flex; flex-direction: column; flex: 1; }
.news-card .date { font-size: 12.5px; color: var(--muted); margin-bottom: 8px; }
.news-card h3 { font-size: 16.5px; color: var(--dark); line-height: 1.5; margin-bottom: 10px; }
.news-card h3 a:hover { color: var(--primary); }
.news-card p { font-size: 14px; color: var(--muted); flex: 1; }
.news-card .read {
  margin-top: 14px; font-size: 13.5px; color: var(--primary); font-weight: 600;
  display: inline-flex; align-items: center; gap: 5px;
}

/* ==========================================================================
   CTA 区块
   ========================================================================== */
.cta {
  background:
    linear-gradient(rgba(5, 30, 56, 0.9), rgba(7, 57, 111, 0.9)),
    var(--primary-dark);
  color: #fff;
  text-align: center;
  padding: 70px 0;
}
.cta h2 { font-size: 30px; font-weight: 800; margin-bottom: 14px; }
.cta p { color: rgba(255,255,255,0.8); max-width: 560px; margin: 0 auto 30px; }
.cta .tel-big { font-size: 28px; font-weight: 800; color: #6fd0ff; margin-bottom: 20px; letter-spacing: 1px; }

/* ==========================================================================
   页脚
   ========================================================================== */
.site-footer { background: #06203a; color: rgba(255,255,255,0.72); padding: 60px 0 0; }
.footer-grid {
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr 1.3fr;
  gap: 40px;
  padding-bottom: 44px;
}
.footer-col h4 { color: #fff; font-size: 16px; margin-bottom: 20px; position: relative; padding-bottom: 10px; }
.footer-col h4::after { content: ""; position: absolute; left: 0; bottom: 0; width: 30px; height: 3px; background: var(--accent); border-radius: 2px; }
.footer-col li { margin-bottom: 10px; }
.footer-col a { transition: color .2s; }
.footer-col a:hover { color: #8ed8ff; }
.footer-about p { font-size: 14px; line-height: 1.9; margin: 14px 0; }
.footer-logo { display: flex; align-items: center; gap: 10px; }
.footer-logo .logo-mark { width: 38px; height: 38px; font-size: 17px; }
.footer-logo .cn { color: #fff; font-weight: 700; font-size: 16px; }
.footer-contact li { display: flex; gap: 10px; font-size: 14px; line-height: 1.8; }
.footer-contact svg { flex: none; margin-top: 4px; color: #8ed8ff; }
.footer-bottom {
  border-top: 1px solid rgba(255,255,255,0.1);
  padding: 20px 0;
  font-size: 13px;
  display: flex; justify-content: space-between; gap: 16px; flex-wrap: wrap;
  color: rgba(255,255,255,0.55);
}
.footer-bottom a { color: rgba(255,255,255,0.7); }

/* ==========================================================================
   内页通用布局
   ========================================================================== */
.page-body { padding: 64px 0; }
.two-col { display: grid; grid-template-columns: 1.9fr 1fr; gap: 48px; align-items: start; }
.prose h2 { font-size: 24px; color: var(--dark); margin: 28px 0 14px; }
.prose h3 { font-size: 18px; color: var(--dark); margin: 22px 0 10px; }
.prose p { margin-bottom: 14px; color: var(--text); }
.prose .lead { font-size: 16.5px; color: var(--ink); }

/* 侧边卡片 */
.side-card {
  background: #fff; border: 1px solid var(--border); border-radius: var(--radius);
  padding: 26px; margin-bottom: 24px; box-shadow: var(--shadow-sm);
}
.side-card h3 { font-size: 17px; color: var(--dark); margin-bottom: 14px; padding-bottom: 10px; border-bottom: 1px solid var(--border); }
.side-card ul li { padding: 8px 0; font-size: 14.5px; color: var(--muted); display: flex; gap: 8px; }
.side-card ul li::before { content: "›"; color: var(--primary-light); font-weight: 700; }

/* ==========================================================================
   产品/设备 列表页
   ========================================================================== */
.list-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 26px; }
.list-card {
  background: #fff; border: 1px solid var(--border); border-radius: var(--radius);
  overflow: hidden; transition: transform .25s, box-shadow .25s;
}
.list-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-md); }
.list-card .thumb { height: 210px; overflow: hidden; background: var(--bg-soft); }
.list-card .thumb img { width: 100%; height: 100%; object-fit: cover; }
.list-card .body { padding: 22px 24px; }
.list-card .body h3 { font-size: 18px; color: var(--dark); margin-bottom: 10px; }
.list-card .body p { font-size: 14px; color: var(--muted); margin-bottom: 14px; }
.list-card .specs { display: flex; flex-wrap: wrap; gap: 8px; }
.list-card .specs span {
  font-size: 12.5px; color: var(--primary);
  background: var(--accent-soft);
  padding: 4px 10px; border-radius: 6px; font-weight: 600;
}

/* ==========================================================================
   资质/荣誉徽章
   ========================================================================== */
.badge-row { display: flex; flex-wrap: wrap; gap: 14px; margin-top: 22px; }
.badge {
  display: flex; align-items: center; gap: 10px;
  background: #fff; border: 1px solid var(--border); border-radius: 10px;
  padding: 12px 18px; font-size: 14px; color: var(--ink); font-weight: 600;
  box-shadow: var(--shadow-sm);
}
.badge .dot { width: 10px; height: 10px; border-radius: 50%; background: linear-gradient(135deg, var(--primary), var(--accent)); flex: none; }

/* ==========================================================================
   联系页
   ========================================================================== */
.contact-grid { display: grid; grid-template-columns: 1fr 1.5fr; gap: 40px; align-items: start; }
.contact-info { display: flex; flex-direction: column; gap: 18px; }
.contact-item {
  display: flex; gap: 16px; align-items: flex-start;
  background: #fff; border: 1px solid var(--border); border-radius: var(--radius);
  padding: 20px 22px; box-shadow: var(--shadow-sm);
}
.contact-item .ic {
  width: 46px; height: 46px; flex: none; border-radius: 11px;
  background: linear-gradient(135deg, var(--accent-soft), #d6edff);
  display: grid; place-items: center; color: var(--primary);
}
.contact-item .tt { font-size: 14px; color: var(--muted); }
.contact-item .vv { font-size: 16px; color: var(--dark); font-weight: 600; margin-top: 2px; }
.contact-item .vv a:hover { color: var(--primary); }

.map-wrap { border-radius: var(--radius-lg); overflow: hidden; box-shadow: var(--shadow-md); border: 1px solid var(--border); }
.map-wrap iframe { width: 100%; height: 420px; border: 0; display: block; }

/* ==========================================================================
   表单
   ========================================================================== */
.form-card { background: #fff; border: 1px solid var(--border); border-radius: var(--radius-lg); padding: 32px; box-shadow: var(--shadow-md); }
.form-card h3 { font-size: 20px; color: var(--dark); margin-bottom: 6px; }
.form-card .sub { font-size: 14px; color: var(--muted); margin-bottom: 22px; }
.field { margin-bottom: 18px; }
.field label { display: block; font-size: 14px; color: var(--ink); font-weight: 600; margin-bottom: 7px; }
.field input, .field textarea {
  width: 100%; padding: 12px 14px;
  border: 1.5px solid var(--border); border-radius: 9px;
  font-size: 15px; font-family: inherit; color: var(--ink);
  background: var(--bg); transition: border .2s, box-shadow .2s;
}
.field input:focus, .field textarea:focus {
  outline: none; border-color: var(--primary-light);
  background: #fff; box-shadow: 0 0 0 3px rgba(30, 143, 214, 0.12);
}
.field textarea { min-height: 120px; resize: vertical; }

/* ==========================================================================
   响应式
   ========================================================================== */
@media (max-width: 992px) {
  .features-grid, .band-grid { grid-template-columns: repeat(2, 1fr); }
  .cat-grid, .equip-grid, .news-grid, .list-grid { grid-template-columns: repeat(2, 1fr); }
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .two-col, .contact-grid { grid-template-columns: 1fr; }
  .hero-content h1 { font-size: 38px; }
}

@media (max-width: 680px) {
  .nav-toggle { display: grid; }
  .main-nav {
    position: absolute; top: var(--header-h); left: 0; right: 0;
    background: #fff; border-bottom: 1px solid var(--border);
    box-shadow: var(--shadow-md);
    max-height: 0; overflow: hidden; transition: max-height .3s;
  }
  .main-nav.open { max-height: 420px; }
  .main-nav ul { flex-direction: column; align-items: stretch; padding: 8px 16px 16px; gap: 2px; }
  .main-nav a.active::after { display: none; }
  .header-tel { display: none; }
  .features-grid, .band-grid, .cat-grid, .equip-grid, .news-grid, .list-grid { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr; }
  .hero-content h1 { font-size: 32px; }
  .hero-stats { gap: 24px; }
  .section { padding: 56px 0; }
  .section-head h2 { font-size: 26px; }
  .page-hero h1 { font-size: 28px; }
}

/* 页面渐入动画 */
.reveal { opacity: 0; transform: translateY(24px); transition: opacity .6s ease, transform .6s ease; }
.reveal.in { opacity: 1; transform: none; }

/* ==========================================================================
   中英双语切换
   ========================================================================== */
.lang-toggle {
  display: inline-flex; align-items: center;
  margin-left: 6px;
  border: 1.5px solid var(--border);
  border-radius: 8px;
  padding: 6px 12px;
  font-size: 13.5px; font-weight: 700; color: var(--muted);
  transition: color .2s, border-color .2s;
  white-space: nowrap;
}
.lang-toggle:hover { color: var(--primary); border-color: var(--primary-light); }
.en-text { display: none; }
body.lang-en .zh-text { display: none; }
body.lang-en .en-text { display: inline; }
body.lang-en .en-block { display: block; }

/* ==========================================================================
   发展历程时间线
   ========================================================================== */
.timeline { position: relative; max-width: 760px; margin: 0 auto; padding-left: 34px; }
.timeline::before {
  content: ""; position: absolute; left: 9px; top: 4px; bottom: 4px;
  width: 3px; border-radius: 2px;
  background: linear-gradient(180deg, var(--primary), var(--accent));
}
.timeline-item { position: relative; padding: 0 0 30px 22px; }
.timeline-item:last-child { padding-bottom: 0; }
.timeline-item::before {
  content: ""; position: absolute; left: -33px; top: 5px;
  width: 13px; height: 13px; border-radius: 50%;
  background: #fff; border: 3.5px solid var(--primary);
  box-shadow: 0 0 0 4px rgba(11, 79, 158, 0.12);
}
.timeline-item .year {
  font-size: 21px; font-weight: 800; color: var(--primary);
  line-height: 1.2; margin-bottom: 6px;
}
.timeline-item .desc { font-size: 14.5px; color: var(--text); line-height: 1.8; }

/* ==========================================================================
   证书与资质
   ========================================================================== */
.cert-card {
  background: #fff; border: 1px solid var(--border); border-radius: var(--radius);
  padding: 18px; box-shadow: var(--shadow-sm);
  display: flex; flex-direction: column; align-items: center; gap: 12px;
  transition: transform .25s, box-shadow .25s;
}
.cert-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-md); }
.cert-card img { max-height: 300px; object-fit: contain; }
.cert-card .cap { font-size: 14px; font-weight: 600; color: var(--dark); text-align: center; }
.cert-card .cap small { display: block; color: var(--muted); font-weight: 400; margin-top: 4px; font-size: 12.5px; }

/* 行业标签云 */
.industry-row { display: flex; flex-wrap: wrap; gap: 12px; justify-content: center; }
.industry-chip {
  background: #fff; border: 1px solid var(--border); border-radius: 100px;
  padding: 9px 22px; font-size: 14.5px; font-weight: 600; color: var(--ink);
  box-shadow: var(--shadow-sm);
  display: inline-flex; align-items: center; gap: 8px;
}
.industry-chip .dot { width: 8px; height: 8px; border-radius: 50%; background: linear-gradient(135deg, var(--primary), var(--accent)); }

/* 地图图片 */
.map-img { width: 100%; display: block; }