/* ============================================================
   山东贝格国际会展有限公司 - 官网样式
   主色：中国红 + 金色点缀（符合国内会展行业审美）
   ============================================================ */
:root {
  --primary: #c8102e;        /* 中国红 */
  --primary-dark: #9e0b22;
  --gold: #d4a24e;
  --gold-light: #f3e3c3;
  --dark: #1c2331;
  --gray: #5a6473;
  --light: #f7f8fa;
  --white: #ffffff;
  --border: #e6e8ec;
  --radius: 10px;
  --shadow: 0 6px 24px rgba(28, 35, 49, .08);
  --font: "Microsoft YaHei", "PingFang SC", "Hiragino Sans GB", "Helvetica Neue", Arial, sans-serif;
}

* { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  font-family: var(--font);
  color: var(--dark);
  background: var(--white);
  line-height: 1.7;
  font-size: 16px;
  -webkit-font-smoothing: antialiased;
}
img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
ul { list-style: none; }
.container { width: min(1200px, 92%); margin: 0 auto; }
.section { padding: 72px 0; }
.section-head { text-align: center; margin-bottom: 44px; }
.section-head .kicker {
  display: inline-block;
  color: var(--primary);
  font-size: 14px;
  letter-spacing: 4px;
  margin-bottom: 8px;
  font-weight: 600;
}
.section-head h2 {
  font-size: 32px;
  font-weight: 700;
  position: relative;
  padding-bottom: 14px;
}
.section-head h2::after {
  content: "";
  position: absolute;
  left: 50%;
  transform: translateX(-50%);
  bottom: 0;
  width: 56px; height: 3px;
  background: linear-gradient(90deg, var(--primary), var(--gold));
  border-radius: 2px;
}
.section-head p { color: var(--gray); margin-top: 12px; }

/* ---------- 顶部通栏 ---------- */
.topbar {
  background: var(--dark);
  color: #cfd4dc;
  font-size: 13px;
  padding: 7px 0;
}
.topbar .container { display: flex; justify-content: space-between; align-items: center; }
.topbar a:hover { color: var(--gold); }
.topbar .tips { color: var(--gold); }

/* ---------- 导航 ---------- */
.header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(255, 255, 255, .96);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--border);
}
.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 74px;
}
.brand { display: flex; align-items: center; gap: 12px; }
.brand-logo {
  width: 46px; height: 46px;
  background: linear-gradient(135deg, var(--primary), var(--primary-dark));
  color: #fff;
  border-radius: 10px;
  display: flex; align-items: center; justify-content: center;
  font-size: 22px; font-weight: 700;
  letter-spacing: 1px;
  box-shadow: 0 4px 12px rgba(200, 16, 46, .3);
}
.brand-text .cn { font-size: 19px; font-weight: 700; line-height: 1.3; }
.brand-text .en { font-size: 11px; color: var(--gray); letter-spacing: 1px; }
.brand-text .ufi {
  display: inline-block;
  font-size: 11px;
  color: var(--primary);
  border: 1px solid var(--primary);
  border-radius: 4px;
  padding: 0 6px;
  margin-left: 6px;
  vertical-align: 2px;
}
.nav-links { display: flex; gap: 6px; align-items: center; }
.nav-links a {
  padding: 8px 16px;
  border-radius: 6px;
  font-size: 15px;
  color: var(--dark);
  transition: .2s;
}
.nav-links a:hover { color: var(--primary); background: #fdf1f3; }
.nav-links a.active { color: var(--primary); font-weight: 600; }
.nav-cta {
  background: var(--primary) !important;
  color: #fff !important;
  padding: 9px 20px !important;
  border-radius: 22px !important;
}
.nav-cta:hover { background: var(--primary-dark) !important; }
.nav-toggle { display: none; background: none; border: none; font-size: 24px; cursor: pointer; color: var(--dark); }

/* ---------- 首屏 Banner ---------- */
.hero {
  position: relative;
  min-height: 560px;
  display: flex;
  align-items: center;
  color: #fff;
  background:
    linear-gradient(115deg, rgba(158, 11, 34, .92) 0%, rgba(200, 16, 46, .82) 45%, rgba(28, 35, 49, .88) 100%),
    repeating-linear-gradient(45deg, transparent 0 22px, rgba(255, 255, 255, .03) 22px 44px);
  overflow: hidden;
}
.hero::before {
  content: "";
  position: absolute;
  right: -140px; top: -140px;
  width: 460px; height: 460px;
  border: 2px solid rgba(212, 162, 78, .35);
  border-radius: 50%;
}
.hero::after {
  content: "";
  position: absolute;
  right: -40px; top: -40px;
  width: 260px; height: 260px;
  border: 2px dashed rgba(212, 162, 78, .45);
  border-radius: 50%;
}
.hero-content { position: relative; z-index: 2; max-width: 660px; }
.hero .tagline {
  display: inline-block;
  background: rgba(212, 162, 78, .18);
  border: 1px solid var(--gold);
  color: var(--gold-light);
  font-size: 14px;
  padding: 5px 16px;
  border-radius: 20px;
  margin-bottom: 20px;
  letter-spacing: 2px;
}
.hero h1 { font-size: 44px; line-height: 1.25; font-weight: 800; margin-bottom: 18px; }
.hero h1 em { font-style: normal; color: var(--gold); }
.hero p.lead { font-size: 17px; color: #f3d9dd; margin-bottom: 34px; }
.hero-actions { display: flex; gap: 14px; flex-wrap: wrap; }
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 13px 30px;
  border-radius: 28px;
  font-size: 16px;
  font-weight: 600;
  cursor: pointer;
  border: none;
  transition: .25s;
}
.btn-primary { background: var(--gold); color: #3a2a08; }
.btn-primary:hover { background: #e0b264; transform: translateY(-2px); box-shadow: 0 8px 20px rgba(0,0,0,.2); }
.btn-ghost { background: transparent; color: #fff; border: 1.5px solid rgba(255,255,255,.6); }
.btn-ghost:hover { border-color: #fff; background: rgba(255,255,255,.1); }
.btn-red { background: var(--primary); color: #fff; }
.btn-red:hover { background: var(--primary-dark); transform: translateY(-2px); }
.hero-stats {
  position: relative; z-index: 2;
  display: flex;
  gap: 48px;
  margin-top: 52px;
  flex-wrap: wrap;
}
.hero-stats .num { font-size: 30px; font-weight: 800; color: var(--gold); }
.hero-stats .num span { font-size: 15px; color: #f3d9dd; font-weight: 400; margin-left: 3px; }
.hero-stats .label { font-size: 13px; color: #f3d9dd; }

/* ---------- 面包屑 ---------- */
.breadcrumb {
  background: var(--light);
  border-bottom: 1px solid var(--border);
  font-size: 13px;
  color: var(--gray);
  padding: 10px 0;
}
.breadcrumb a:hover { color: var(--primary); }
.breadcrumb .sep { margin: 0 8px; color: #c2c7cf; }

/* ---------- 服务卡片 ---------- */
.services-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 22px;
}
.service-card {
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 30px 24px;
  transition: .25s;
  position: relative;
  overflow: hidden;
}
.service-card::before {
  content: "";
  position: absolute;
  left: 0; top: 0;
  width: 100%; height: 3px;
  background: linear-gradient(90deg, var(--primary), var(--gold));
  transform: scaleX(0);
  transform-origin: left;
  transition: .3s;
}
.service-card:hover { transform: translateY(-6px); box-shadow: var(--shadow); }
.service-card:hover::before { transform: scaleX(1); }
.service-icon {
  width: 54px; height: 54px;
  border-radius: 12px;
  background: #fdf1f3;
  display: flex; align-items: center; justify-content: center;
  font-size: 26px;
  margin-bottom: 16px;
}
.service-card h3 { font-size: 18px; margin-bottom: 10px; }
.service-card p { font-size: 14px; color: var(--gray); }

/* ---------- 关于我们 ---------- */
.about { background: var(--light); }
.about-wrap { display: grid; grid-template-columns: 1.1fr .9fr; gap: 48px; align-items: center; }
.about-text h2 { font-size: 30px; margin-bottom: 20px; }
.about-text p { color: var(--gray); margin-bottom: 14px; text-align: justify; }
.about-points { margin: 18px 0 26px; }
.about-points li {
  padding-left: 28px;
  position: relative;
  margin-bottom: 10px;
  color: var(--dark);
  font-size: 15px;
}
.about-points li::before {
  content: "✓";
  position: absolute; left: 0;
  color: var(--primary);
  font-weight: 700;
}
.about-badge {
  background: linear-gradient(135deg, var(--primary), var(--primary-dark));
  color: #fff;
  border-radius: var(--radius);
  padding: 30px;
  position: relative;
  overflow: hidden;
}
.about-badge::after {
  content: "UFI";
  position: absolute;
  right: -14px; bottom: -26px;
  font-size: 110px;
  font-weight: 800;
  color: rgba(255,255,255,.08);
}
.about-badge h3 { font-size: 20px; margin-bottom: 16px; color: var(--gold-light); }
.about-badge ul li {
  padding: 9px 0;
  border-bottom: 1px dashed rgba(255,255,255,.25);
  font-size: 14.5px;
}
.about-badge ul li:last-child { border-bottom: none; }

/* ---------- 展会卡片 ---------- */
.expo-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}
.expo-card {
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
  transition: .25s;
  background: var(--white);
  display: flex;
  flex-direction: column;
}
.expo-card:hover { transform: translateY(-6px); box-shadow: var(--shadow); }
.expo-cover {
  height: 150px;
  position: relative;
  display: flex;
  align-items: flex-end;
  padding: 16px;
  color: #fff;
}
.expo-cover.c1 { background: linear-gradient(120deg, #0e5aa7, #1e88d2); }
.expo-cover.c2 { background: linear-gradient(120deg, #1c7a43, #3aa963); }
.expo-cover.c3 { background: linear-gradient(120deg, #b37413, #d4a24e); }
.expo-cover .ufi-badge {
  position: absolute;
  top: 12px; right: 12px;
  background: rgba(255,255,255,.92);
  color: var(--primary);
  font-size: 11px;
  font-weight: 700;
  padding: 3px 10px;
  border-radius: 12px;
  letter-spacing: 1px;
}
.expo-cover h3 { font-size: 18px; line-height: 1.4; text-shadow: 0 1px 6px rgba(0,0,0,.3); }
.expo-body { padding: 20px; flex: 1; display: flex; flex-direction: column; }
.expo-meta { font-size: 13px; color: var(--gray); margin-bottom: 12px; }
.expo-meta li { margin-bottom: 5px; }
.expo-body p.desc { font-size: 14px; color: var(--gray); flex: 1; }
.expo-body .link {
  margin-top: 16px;
  color: var(--primary);
  font-size: 14px;
  font-weight: 600;
}
.expo-body .link:hover { text-decoration: underline; }

/* ---------- 展品分类 ---------- */
.goods-tabs { display: flex; gap: 10px; justify-content: center; flex-wrap: wrap; margin-bottom: 34px; }
.goods-tab {
  padding: 8px 22px;
  border: 1px solid var(--border);
  border-radius: 22px;
  background: var(--white);
  font-size: 14.5px;
  cursor: pointer;
  transition: .2s;
}
.goods-tab:hover { border-color: var(--primary); color: var(--primary); }
.goods-tab.active { background: var(--primary); border-color: var(--primary); color: #fff; }
.goods-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; }
.goods-item {
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 26px 20px;
  text-align: center;
  transition: .25s;
}
.goods-item:hover { box-shadow: var(--shadow); transform: translateY(-4px); border-color: #f0c9cf; }
.goods-item .ico { font-size: 34px; margin-bottom: 12px; }
.goods-item h4 { font-size: 16px; margin-bottom: 6px; }
.goods-item p { font-size: 13px; color: var(--gray); }
.goods-item.hidden { display: none; }

/* ---------- 流程 ---------- */
.process { background: var(--light); }
.process-steps {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 16px;
  counter-reset: step;
}
.step {
  background: var(--white);
  border-radius: var(--radius);
  padding: 26px 18px;
  text-align: center;
  position: relative;
  border: 1px solid var(--border);
}
.step .no {
  width: 40px; height: 40px;
  margin: 0 auto 14px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--primary), var(--primary-dark));
  color: #fff;
  font-weight: 700;
  display: flex; align-items: center; justify-content: center;
}
.step h4 { font-size: 16px; margin-bottom: 8px; }
.step p { font-size: 13px; color: var(--gray); }

/* ---------- 预约报名页 ---------- */
.booking-layout { display: grid; grid-template-columns: .85fr 1.15fr; gap: 40px; align-items: start; }
.booking-side { background: var(--light); border-radius: var(--radius); padding: 30px; border: 1px solid var(--border); }
.booking-side h3 { font-size: 19px; margin-bottom: 18px; color: var(--primary); }
.booking-side .item { display: flex; gap: 12px; margin-bottom: 18px; font-size: 14.5px; }
.booking-side .item .ico { font-size: 20px; }
.booking-side .item b { display: block; margin-bottom: 2px; }
.booking-side .item span { color: var(--gray); font-size: 13.5px; }
.notice-box {
  margin-top: 22px;
  background: #fff8ec;
  border: 1px solid #f0dcb8;
  border-radius: 8px;
  padding: 16px 18px;
  font-size: 13.5px;
  color: #7a5b1e;
}
.booking-form-panel {
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 36px;
  box-shadow: var(--shadow);
}
.form-title { font-size: 24px; margin-bottom: 6px; }
.form-sub { color: var(--gray); font-size: 14px; margin-bottom: 26px; }
.form-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; }
.form-item { display: flex; flex-direction: column; }
.form-item.full { grid-column: 1 / -1; }
.form-item label { font-size: 14px; font-weight: 600; margin-bottom: 7px; }
.form-item label .req { color: var(--primary); margin-left: 2px; }
.form-item input, .form-item select, .form-item textarea {
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 11px 14px;
  font-size: 14.5px;
  font-family: var(--font);
  background: #fbfbfc;
  transition: .2s;
  outline: none;
}
.form-item input:focus, .form-item select:focus, .form-item textarea:focus {
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(200, 16, 46, .1);
  background: #fff;
}
.form-item textarea { resize: vertical; min-height: 90px; }
.form-item .err { color: var(--primary); font-size: 12.5px; margin-top: 5px; display: none; }
.form-item.error input, .form-item.error select { border-color: var(--primary); }
.form-item.error .err { display: block; }
.radio-group { display: flex; gap: 22px; padding: 4px 0; }
.radio-group label { display: flex; align-items: center; gap: 6px; font-weight: 400; cursor: pointer; margin: 0; }
.radio-group input { accent-color: var(--primary); width: 16px; height: 16px; }
.agree-line { grid-column: 1 / -1; display: flex; align-items: flex-start; gap: 8px; font-size: 13.5px; color: var(--gray); }
.agree-line input { margin-top: 4px; accent-color: var(--primary); }
.form-submit { grid-column: 1 / -1; }
.form-submit .btn { width: 100%; justify-content: center; font-size: 17px; padding: 15px; }
.form-success {
  display: none;
  text-align: center;
  padding: 40px 20px;
}
.form-success .ico { font-size: 52px; margin-bottom: 14px; }
.form-success h3 { font-size: 22px; margin-bottom: 10px; }
.form-success p { color: var(--gray); font-size: 14.5px; margin-bottom: 22px; }

/* ---------- 联系我们 ---------- */
.contact-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; margin-bottom: 46px; }
.contact-card {
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 30px;
  text-align: center;
}
.contact-card .ico { font-size: 32px; margin-bottom: 12px; }
.contact-card h3 { font-size: 17px; margin-bottom: 8px; }
.contact-card p { color: var(--gray); font-size: 14.5px; }
.map-panel {
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
  background: var(--light);
  padding: 40px;
  text-align: center;
  color: var(--gray);
  font-size: 14px;
}
.map-panel .big { font-size: 20px; color: var(--dark); font-weight: 600; margin-bottom: 8px; }

/* ---------- 底部 CTA ---------- */
.cta-band {
  background: linear-gradient(115deg, var(--primary-dark), var(--primary));
  color: #fff;
  padding: 56px 0;
}
.cta-inner { display: flex; align-items: center; justify-content: space-between; gap: 24px; flex-wrap: wrap; }
.cta-inner h2 { font-size: 28px; margin-bottom: 8px; }
.cta-inner p { color: #f3d9dd; }

/* ---------- 页脚 ---------- */
.footer { background: var(--dark); color: #aab1bc; font-size: 14px; }
.footer-main {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr 1.2fr;
  gap: 36px;
  padding: 54px 0 40px;
}
.footer h4 { color: #fff; font-size: 16px; margin-bottom: 16px; }
.footer .brand-text .cn { color: #fff; }
.footer ul li { margin-bottom: 9px; }
.footer ul a:hover { color: var(--gold); }
.footer p { margin-bottom: 9px; }
.footer-bottom {
  border-top: 1px solid rgba(255,255,255,.1);
  padding: 18px 0;
  font-size: 13px;
  text-align: center;
  color: #7d8590;
}
.footer-bottom a { color: #7d8590; }
.footer-bottom a:hover { color: var(--gold); }

/* ---------- 回到顶部 ---------- */
#backTop {
  position: fixed;
  right: 26px; bottom: 34px;
  width: 44px; height: 44px;
  border-radius: 50%;
  border: none;
  background: var(--primary);
  color: #fff;
  font-size: 18px;
  cursor: pointer;
  opacity: 0;
  visibility: hidden;
  transition: .3s;
  box-shadow: 0 6px 16px rgba(200,16,46,.35);
  z-index: 99;
}
#backTop.show { opacity: 1; visibility: visible; }
#backTop:hover { background: var(--primary-dark); }

/* ---------- 浮动咨询 ---------- */
.float-contact {
  position: fixed;
  right: 26px; bottom: 90px;
  z-index: 99;
  display: flex;
  flex-direction: column;
  gap: 8px;
}
.float-contact a {
  width: 44px; height: 44px;
  border-radius: 50%;
  background: var(--white);
  border: 1px solid var(--border);
  display: flex; align-items: center; justify-content: center;
  font-size: 19px;
  box-shadow: var(--shadow);
  transition: .2s;
}
.float-contact a:hover { background: var(--primary); color: #fff; border-color: var(--primary); }

/* ---------- 响应式 ---------- */
@media (max-width: 992px) {
  .services-grid, .goods-grid { grid-template-columns: repeat(2, 1fr); }
  .expo-grid { grid-template-columns: repeat(2, 1fr); }
  .process-steps { grid-template-columns: repeat(2, 1fr); }
  .about-wrap, .booking-layout { grid-template-columns: 1fr; }
  .contact-grid { grid-template-columns: 1fr; }
  .footer-main { grid-template-columns: 1fr 1fr; }
  .nav-links {
    position: absolute;
    top: 74px; left: 0; right: 0;
    background: #fff;
    flex-direction: column;
    align-items: stretch;
    padding: 12px 5%;
    border-bottom: 1px solid var(--border);
    display: none;
  }
  .nav-links.open { display: flex; }
  .nav-toggle { display: block; }
  .hero h1 { font-size: 32px; }
  .hero-stats { gap: 28px; }
}
@media (max-width: 600px) {
  .services-grid, .goods-grid, .expo-grid, .process-steps, .form-grid, .footer-main { grid-template-columns: 1fr; }
  .section { padding: 52px 0; }
  .hero { min-height: 480px; }
  .topbar .tips { display: none; }
}

/* ============================================================
   扩展模块：展品中心 / 详情页 / 新闻 / 案例 / FAQ
   ============================================================ */

/* ---------- 列表头说明条 ---------- */
.list-intro {
  background: var(--light);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 22px 26px;
  margin-bottom: 34px;
  font-size: 14.5px;
  color: var(--gray);
}
.list-intro b { color: var(--dark); }

/* ---------- 展品卡片（图文） ---------- */
.product-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 22px; }
.product-card {
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
  transition: .25s;
  display: flex;
  flex-direction: column;
}
.product-card:hover { transform: translateY(-6px); box-shadow: var(--shadow); }
.product-cover {
  height: 150px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 56px;
  position: relative;
}
.product-cover .cat-tag {
  position: absolute;
  top: 12px; left: 12px;
  background: rgba(255,255,255,.92);
  color: var(--primary);
  font-size: 11.5px;
  font-weight: 600;
  padding: 3px 10px;
  border-radius: 12px;
}
.pc1 { background: linear-gradient(135deg, #dcecfb, #b3d4f5); }
.pc2 { background: linear-gradient(135deg, #ddf3e4, #b4e3c6); }
.pc3 { background: linear-gradient(135deg, #f7ecd7, #eed9ae); }
.cc1 { background: linear-gradient(135deg, #0e5aa7, #1e88d2); }
.cc2 { background: linear-gradient(135deg, #1c7a43, #3aa963); }
.cc3 { background: linear-gradient(135deg, #b37413, #d4a24e); }
.product-body { padding: 18px 18px 20px; flex: 1; display: flex; flex-direction: column; }
.product-body h3 { font-size: 16.5px; margin-bottom: 8px; line-height: 1.45; }
.product-body p { font-size: 13.5px; color: var(--gray); flex: 1; }
.product-body .more {
  margin-top: 14px;
  font-size: 13.5px;
  color: var(--primary);
  font-weight: 600;
}
.product-body .more:hover { text-decoration: underline; }

/* ---------- 详情页 ---------- */
.detail-layout { display: grid; grid-template-columns: 1fr 300px; gap: 36px; align-items: start; }
.detail-main {
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 36px;
}
.detail-main h1 { font-size: 27px; line-height: 1.4; margin-bottom: 12px; }
.detail-meta {
  display: flex;
  gap: 18px;
  flex-wrap: wrap;
  font-size: 13px;
  color: var(--gray);
  padding-bottom: 18px;
  margin-bottom: 22px;
  border-bottom: 1px solid var(--border);
}
.detail-cover {
  height: 240px;
  border-radius: var(--radius);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 88px;
  margin-bottom: 24px;
}
.detail-content h2 { font-size: 20px; margin: 26px 0 12px; padding-left: 12px; border-left: 4px solid var(--primary); }
.detail-content p { color: var(--gray); font-size: 15px; margin-bottom: 12px; text-align: justify; }
.detail-content ul { margin: 0 0 14px; padding-left: 4px; }
.detail-content ul li {
  position: relative;
  padding-left: 22px;
  margin-bottom: 8px;
  color: var(--gray);
  font-size: 14.5px;
}
.detail-content ul li::before {
  content: "▪";
  position: absolute; left: 2px;
  color: var(--primary);
}
.spec-table { width: 100%; border-collapse: collapse; font-size: 14px; margin: 10px 0 16px; }
.spec-table th, .spec-table td { border: 1px solid var(--border); padding: 10px 14px; text-align: left; }
.spec-table th { background: var(--light); color: var(--dark); width: 130px; font-weight: 600; }
.spec-table td { color: var(--gray); }
.detail-side .panel {
  background: var(--light);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 24px;
  margin-bottom: 20px;
}
.detail-side .panel h3 { font-size: 16px; margin-bottom: 14px; color: var(--dark); }
.detail-side .panel ul li { margin-bottom: 10px; }
.detail-side .panel ul a { color: var(--gray); font-size: 14px; }
.detail-side .panel ul a:hover { color: var(--primary); }
.detail-side .panel .hot-num { color: var(--primary); font-weight: 700; font-size: 22px; }
.side-cta { text-align: center; }
.side-cta .btn { width: 100%; justify-content: center; margin-top: 6px; }

/* ---------- 新闻列表 ---------- */
.news-list { display: grid; grid-template-columns: 1fr 1fr; gap: 22px; }
.news-item {
  display: flex;
  gap: 20px;
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 20px;
  transition: .25s;
}
.news-item:hover { box-shadow: var(--shadow); transform: translateY(-4px); }
.news-date {
  flex-shrink: 0;
  width: 78px;
  height: 84px;
  border-radius: 8px;
  background: linear-gradient(135deg, var(--primary), var(--primary-dark));
  color: #fff;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
}
.news-date .d { font-size: 26px; font-weight: 800; line-height: 1.1; }
.news-date .ym { font-size: 12px; opacity: .85; }
.news-info h3 { font-size: 16.5px; line-height: 1.5; margin-bottom: 8px; }
.news-info h3 a:hover { color: var(--primary); }
.news-info p { font-size: 13.5px; color: var(--gray); display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }
.news-info .meta { margin-top: 10px; font-size: 12.5px; color: #9aa1ab; }

/* ---------- 案例 ---------- */
.case-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; }
.case-card {
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
  background: var(--white);
  transition: .25s;
  display: flex;
  flex-direction: column;
}
.case-card:hover { transform: translateY(-6px); box-shadow: var(--shadow); }
.case-cover {
  height: 140px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 54px;
  position: relative;
  color: rgba(255,255,255,.9);
}
.case-cover .case-tag {
  position: absolute;
  top: 12px; right: 12px;
  background: rgba(0,0,0,.35);
  color: #fff;
  font-size: 11.5px;
  padding: 3px 10px;
  border-radius: 12px;
}
.case-body { padding: 20px; flex: 1; display: flex; flex-direction: column; }
.case-body h3 { font-size: 16.5px; margin-bottom: 8px; }
.case-body p { font-size: 13.5px; color: var(--gray); flex: 1; }
.case-body .stats { margin-top: 14px; padding-top: 12px; border-top: 1px dashed var(--border); font-size: 13px; color: var(--primary); font-weight: 600; }

/* ---------- FAQ 手风琴 ---------- */
.faq-wrap { max-width: 860px; margin: 0 auto; }
.faq-item {
  border: 1px solid var(--border);
  border-radius: var(--radius);
  margin-bottom: 14px;
  background: var(--white);
  overflow: hidden;
  transition: .2s;
}
.faq-item.open { border-color: #f0c9cf; box-shadow: var(--shadow); }
.faq-q {
  width: 100%;
  background: none;
  border: none;
  font-family: var(--font);
  font-size: 15.5px;
  font-weight: 600;
  color: var(--dark);
  text-align: left;
  padding: 18px 22px;
  cursor: pointer;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 16px;
}
.faq-q .mark {
  flex-shrink: 0;
  width: 26px; height: 26px;
  border-radius: 50%;
  background: #fdf1f3;
  color: var(--primary);
  display: flex; align-items: center; justify-content: center;
  font-size: 17px;
  transition: .25s;
}
.faq-item.open .mark { background: var(--primary); color: #fff; transform: rotate(45deg); }
.faq-a {
  display: none;
  padding: 0 22px 18px;
  color: var(--gray);
  font-size: 14.5px;
  line-height: 1.8;
}
.faq-item.open .faq-a { display: block; }
.faq-a b { color: var(--dark); }

@media (max-width: 992px) {
  .product-grid, .case-grid, .news-list { grid-template-columns: repeat(2, 1fr); }
  .detail-layout { grid-template-columns: 1fr; }
}
@media (max-width: 600px) {
  .product-grid, .case-grid, .news-list { grid-template-columns: 1fr; }
  .news-item { flex-direction: column; }
  .news-date { width: 100%; height: auto; flex-direction: row; gap: 8px; padding: 10px; }
  .detail-main { padding: 24px 18px; }
}

/* ============================================================
   扩展模块：历届展会（时间轴 / 图文相册 / 视频）
   ============================================================ */

/* ---------- 届次时间轴 ---------- */
.edition-block { margin-bottom: 70px; }
.edition-head {
  display: flex;
  align-items: center;
  gap: 18px;
  flex-wrap: wrap;
  margin-bottom: 22px;
}
.edition-year {
  background: linear-gradient(135deg, var(--primary), var(--primary-dark));
  color: #fff;
  font-weight: 800;
  font-size: 20px;
  padding: 8px 20px;
  border-radius: 8px;
  box-shadow: 0 4px 12px rgba(200,16,46,.25);
}
.edition-head h3 { font-size: 21px; flex: 1; min-width: 240px; }
.edition-stats { display: flex; gap: 22px; flex-wrap: wrap; font-size: 13.5px; color: var(--gray); }
.edition-stats b { color: var(--primary); }
.edition-desc { color: var(--gray); font-size: 14.5px; margin-bottom: 22px; text-align: justify; }

/* ---------- 图文相册 ---------- */
.gallery-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 14px;
  margin-bottom: 26px;
}
.gallery-item {
  position: relative;
  height: 150px;
  border-radius: var(--radius);
  overflow: hidden;
  cursor: zoom-in;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 6px;
  transition: .25s;
  border: none;
  padding: 0;
  font-family: var(--font);
}
.gallery-item .ph-ico { font-size: 40px; transition: .3s; }
.gallery-item .ph-cap {
  font-size: 12.5px;
  color: rgba(255,255,255,.95);
  background: rgba(0,0,0,.35);
  padding: 3px 12px;
  border-radius: 12px;
}
.gallery-item .zoom-hint {
  position: absolute;
  inset: 0;
  background: rgba(28,35,49,.55);
  color: #fff;
  font-size: 13px;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  transition: .25s;
}
.gallery-item:hover { transform: translateY(-4px); box-shadow: var(--shadow); }
.gallery-item:hover .zoom-hint { opacity: 1; }
.gallery-item:hover .ph-ico { transform: scale(1.15); }
.gp1 { background: linear-gradient(135deg, #2a6fb8, #5aa3e0); }
.gp2 { background: linear-gradient(135deg, #2b8a54, #5cb87f); }
.gp3 { background: linear-gradient(135deg, #c07f1d, #e0a94a); }
.gp4 { background: linear-gradient(135deg, #6a4fb6, #9a7fd8); }
.gp5 { background: linear-gradient(135deg, #b8442a, #e07a5a); }
.gp6 { background: linear-gradient(135deg, #1c7a7a, #4ab8b8); }
/* 相册内嵌真实图片时的样式 */
.gallery-item img { width: 100%; height: 100%; object-fit: cover; }

/* ---------- 视频卡片 ---------- */
.video-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 18px;
}
.video-card {
  position: relative;
  border-radius: var(--radius);
  overflow: hidden;
  border: none;
  padding: 0;
  cursor: pointer;
  background: var(--dark);
  font-family: var(--font);
  text-align: left;
}
.video-cover {
  height: 170px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 48px;
  position: relative;
}
.video-cover .play-btn {
  width: 54px; height: 54px;
  border-radius: 50%;
  background: rgba(255,255,255,.92);
  color: var(--primary);
  display: flex; align-items: center; justify-content: center;
  font-size: 22px;
  padding-left: 4px;
  box-shadow: 0 4px 16px rgba(0,0,0,.3);
  transition: .25s;
}
.video-card:hover .play-btn { transform: scale(1.12); background: var(--gold); }
.video-cover .duration {
  position: absolute;
  right: 10px; bottom: 10px;
  background: rgba(0,0,0,.65);
  color: #fff;
  font-size: 12px;
  padding: 2px 8px;
  border-radius: 4px;
}
.video-info { background: #fff; border: 1px solid var(--border); border-top: none; padding: 14px 16px; border-radius: 0 0 var(--radius) var(--radius); }
.video-info h4 { font-size: 15px; margin-bottom: 4px; }
.video-info p { font-size: 12.5px; color: var(--gray); }
.vp1 { background: linear-gradient(135deg, #16324f, #2a6fb8); }
.vp2 { background: linear-gradient(135deg, #143d26, #2b8a54); }
.vp3 { background: linear-gradient(135deg, #4a3510, #c07f1d); }

/* ---------- 灯箱 / 视频弹窗 ---------- */
.lightbox, .video-modal {
  display: none;
  position: fixed;
  inset: 0;
  z-index: 200;
  background: rgba(10, 13, 18, .88);
  align-items: center;
  justify-content: center;
  flex-direction: column;
  padding: 30px;
}
.lightbox.show, .video-modal.show { display: flex; }
.lightbox img {
  max-width: 90vw;
  max-height: 76vh;
  border-radius: 8px;
  box-shadow: 0 12px 48px rgba(0,0,0,.5);
}
.lightbox .lb-cap, .video-modal .vm-title {
  color: #e8ebef;
  font-size: 14.5px;
  margin-top: 16px;
  text-align: center;
}
.lightbox .lb-close, .video-modal .vm-close {
  position: absolute;
  top: 18px; right: 26px;
  background: none;
  border: none;
  color: #fff;
  font-size: 34px;
  cursor: pointer;
  line-height: 1;
}
.lightbox .lb-nav {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  background: rgba(255,255,255,.12);
  border: none;
  color: #fff;
  font-size: 26px;
  width: 48px; height: 48px;
  border-radius: 50%;
  cursor: pointer;
  transition: .2s;
}
.lightbox .lb-nav:hover { background: var(--primary); }
.lightbox .lb-prev { left: 26px; }
.lightbox .lb-next { right: 26px; }
.video-modal video {
  width: min(900px, 90vw);
  border-radius: 8px;
  background: #000;
  box-shadow: 0 12px 48px rgba(0,0,0,.5);
  outline: none;
}

@media (max-width: 992px) {
  .gallery-grid { grid-template-columns: repeat(3, 1fr); }
  .video-grid { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 600px) {
  .gallery-grid { grid-template-columns: repeat(2, 1fr); }
  .gallery-item { height: 110px; }
  .video-grid { grid-template-columns: 1fr; }
}