/* ============================================================
   CSS 变量 & 重置
============================================================ */
:root {
  --blue-900: #1E3A8A;
  --blue-800: #1e40af;
  --blue-100: #DBEAFE;
  --blue-50:  #EFF6FF;
  --orange:   #EA580C;
  --orange-h: #c2410c;
  --gray-900: #111827;
  --gray-800: #1F2937;
  --gray-600: #4B5563;
  --gray-500: #6B7280;
  --gray-300: #D1D5DB;
  --gray-100: #F3F4F6;
  --white:    #FFFFFF;
  --ease: cubic-bezier(0.4,0,0.2,1);
  --shadow-sm: 0 1px 3px rgba(0,0,0,.1), 0 1px 2px rgba(0,0,0,.06);
  --shadow-md: 0 4px 16px rgba(0,0,0,.1);
  --shadow-lg: 0 12px 40px rgba(0,0,0,.14);
}

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; -webkit-font-smoothing: antialiased; }
body {
  font-family: 'PingFang SC', 'Noto Sans SC', 'Microsoft YaHei', sans-serif;
  font-size: 16px;
  color: var(--gray-800);
  background: var(--white);
  line-height: 1.7;
}
a { text-decoration: none; color: inherit; }
ul, ol { list-style: none; }
img { max-width: 100%; display: block; }
button { cursor: pointer; font-family: inherit; border: none; outline: none; }

/* ============================================================
   通用布局
============================================================ */
.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 40px;
}
.section { padding: 80px 0; }
.section-tag {
  display: inline-block;
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 3px;
  text-transform: uppercase;
  color: var(--orange);
  margin-bottom: 12px;
}
.section-title {
  font-size: 40px;
  font-weight: 700;
  color: var(--gray-900);
  line-height: 1.25;
  margin-bottom: 16px;
}
.section-desc {
  font-size: 16px;
  color: var(--gray-500);
  max-width: 520px;
}
.section-header {
  margin-bottom: 56px;
}
.section-header.center {
  text-align: center;
}
.section-header.center .section-desc {
  margin: 0 auto;
}

/* ============================================================
   按钮
============================================================ */
.btn-primary {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 14px 28px;
  background: var(--orange);
  color: var(--white);
  font-size: 15px;
  font-weight: 600;
  border-radius: 6px;
  transition: background var(--ease) 250ms, box-shadow var(--ease) 250ms, transform var(--ease) 250ms;
}
.btn-primary:hover {
  background: var(--orange-h);
  box-shadow: 0 4px 16px rgba(234,88,12,.35);
  transform: translateY(-2px);
}

.btn-secondary {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 14px 28px;
  background: transparent;
  color: var(--white);
  font-size: 15px;
  font-weight: 600;
  border: 2px solid rgba(255,255,255,.6);
  border-radius: 6px;
  transition: border-color var(--ease) 250ms, background var(--ease) 250ms, transform var(--ease) 250ms;
}
.btn-secondary:hover {
  border-color: var(--white);
  background: rgba(255,255,255,.12);
  transform: translateY(-2px);
}

.btn-outline-blue {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 12px 24px;
  background: transparent;
  color: var(--blue-900);
  font-size: 15px;
  font-weight: 600;
  border: 2px solid var(--blue-900);
  border-radius: 6px;
  transition: all var(--ease) 250ms;
}
.btn-outline-blue:hover {
  background: var(--blue-900);
  color: var(--white);
  transform: translateY(-2px);
}

.btn-orange-sm {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding: 9px 18px;
  background: var(--orange);
  color: var(--white);
  font-size: 14px;
  font-weight: 600;
  border-radius: 5px;
  transition: background var(--ease) 250ms, transform var(--ease) 250ms;
}
.btn-orange-sm:hover {
  background: var(--orange-h);
  transform: translateY(-1px);
}

/* ============================================================
   导航
============================================================ */
.navbar {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 1000;
  transition: background var(--ease) 400ms, box-shadow var(--ease) 400ms;
  background: transparent;
}
/* 首页透明导航栏时白色文字 */
.navbar:not(.solid):not(.page-nav) .logo-cn,
.navbar:not(.solid):not(.page-nav) .logo-en,
.navbar:not(.solid):not(.page-nav) .nav-links a,
.navbar:not(.solid):not(.page-nav) .nav-phone {
  color: var(--white);
}
.navbar:not(.solid):not(.page-nav) .logo-en { color: rgba(255,255,255,.55); }
.navbar:not(.solid):not(.page-nav) .nav-links a { color: rgba(255,255,255,.85); }
.navbar:not(.solid):not(.page-nav) .nav-links a:hover,
.navbar:not(.solid):not(.page-nav) .nav-links a.active {
  color: var(--white);
  background: rgba(255,255,255,.12);
}
.navbar:not(.solid):not(.page-nav) .hamburger span {
  background: var(--white);
}
.navbar.solid {
  background: var(--white);
  box-shadow: 0 2px 20px rgba(0,0,0,.1);
}
.navbar.page-nav {
  background: var(--white);
  box-shadow: 0 2px 20px rgba(0,0,0,.1);
}

.nav-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 72px;
}

.logo {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-shrink: 0;
}
.logo img {
  height: 40px;
  width: auto;
  display: block;
}
.logo-text {
  display: flex;
  flex-direction: column;
  line-height: 1.2;
}
.logo-cn {
  font-size: 16px;
  font-weight: 700;
  color: var(--gray-800);
  letter-spacing: 1px;
}
.logo-en {
  font-size: 11px;
  color: var(--gray-500);
  letter-spacing: 2px;
  text-transform: uppercase;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 8px;
}
.nav-links a {
  font-size: 15px;
  color: var(--gray-800);
  padding: 6px 14px;
  border-radius: 5px;
  transition: color var(--ease) 200ms, background var(--ease) 200ms;
  white-space: nowrap;
}
.nav-links a:hover, .nav-links a.active {
  color: var(--blue-900);
  background: var(--blue-50);
}

.nav-cta {
  display: flex;
  align-items: center;
  gap: 14px;
  flex-shrink: 0;
}
.nav-phone {
  font-size: 14px;
  font-weight: 600;
  color: var(--gray-800);
  display: flex;
  align-items: center;
  gap: 6px;
}
.nav-phone svg { opacity: .7; }

.hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  padding: 6px;
  border-radius: 5px;
}
.hamburger span {
  display: block;
  width: 24px; height: 2px;
  background: var(--gray-800);
  border-radius: 2px;
  transition: all var(--ease) 300ms;
}
.hamburger.open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.hamburger.open span:nth-child(2) { opacity: 0; }
.hamburger.open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

.mobile-menu {
  display: none;
  flex-direction: column;
  position: fixed;
  top: 72px; left: 0; right: 0;
  background: var(--white);
  border-top: 1px solid var(--gray-300);
  padding: 16px 24px 24px;
  z-index: 999;
  box-shadow: 0 8px 32px rgba(0,0,0,.1);
}
.mobile-menu.open { display: flex; }
.mobile-menu a {
  color: var(--gray-800);
  font-size: 16px;
  padding: 14px 0;
  border-bottom: 1px solid var(--gray-100);
  transition: color var(--ease) 200ms;
}
.mobile-menu a:last-child { border-bottom: none; }
.mobile-menu a:hover { color: var(--blue-900); }
.mobile-menu .m-cta {
  margin-top: 16px;
  padding: 12px;
  background: var(--orange);
  color: var(--white);
  text-align: center;
  font-weight: 600;
  border-radius: 6px;
  border: none;
}

/* ============================================================
   Hero — 首页
============================================================ */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  overflow: hidden;
}

.hero-bg {
  position: absolute;
  inset: 0;
  z-index: 0;
}
/* 用CSS艺术展会场景替代真实图片占位 */
.hero-bg-img {
  position: absolute;
  inset: 0;
  background:
    linear-gradient(175deg, rgba(30,58,138,.85) 0%, rgba(30,58,138,.6) 40%, rgba(30,64,175,.75) 100%),
    repeating-linear-gradient(45deg, transparent, transparent 30px, rgba(255,255,255,.015) 30px, rgba(255,255,255,.015) 31px);
  background-color: #0f2460;
}
/* 展馆装饰条纹 */
.hero-bg-img::before {
  content: '';
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse 80% 50% at 60% 50%, rgba(234,88,12,.08) 0%, transparent 70%),
    radial-gradient(ellipse 60% 60% at 20% 80%, rgba(59,130,246,.15) 0%, transparent 60%);
}
/* 右侧装饰卡片群 */
.hero-deco {
  position: absolute;
  right: 8%;
  top: 50%;
  transform: translateY(-50%);
  width: 380px;
  z-index: 3;
  display: flex;
  flex-direction: column;
  gap: 16px;
}
.hero-deco-card {
  background: rgba(255,255,255,.1);
  backdrop-filter: blur(12px);
  border: 1px solid rgba(255,255,255,.2);
  border-radius: 12px;
  padding: 20px 24px;
  color: var(--white);
}
.hdc-label { font-size: 12px; color: rgba(255,255,255,.55); margin-bottom: 8px; letter-spacing: 1px; }
.hdc-name { font-size: 16px; font-weight: 700; margin-bottom: 4px; }
.hdc-info { font-size: 13px; color: rgba(255,255,255,.65); }
.hdc-tag {
  display: inline-block;
  margin-top: 8px;
  padding: 3px 10px;
  background: var(--orange);
  color: var(--white);
  font-size: 11px;
  font-weight: 600;
  border-radius: 20px;
}
.hdc-badge {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-top: 6px;
}
.hdc-dot { width: 8px; height: 8px; border-radius: 50%; background: #4ade80; flex-shrink: 0; }
.hdc-status { font-size: 12px; color: rgba(255,255,255,.6); }

/* Hero 装饰卡片 — 链接状态 */
.hero-deco-card-link {
  display: block;
  text-decoration: none;
  cursor: pointer;
  transition: transform 0.3s ease, box-shadow 0.3s ease, border-color 0.3s ease;
  position: relative;
}
.hero-deco-card-link:hover {
  transform: translateY(-4px);
  border-color: rgba(255,255,255,.45);
  box-shadow: 0 12px 32px rgba(0,0,0,.25);
}
.hdc-edit {
  position: absolute;
  bottom: 8px;
  right: 12px;
  font-size: 11px;
  color: rgba(255,255,255,.35);
  transition: color 0.2s;
  cursor: pointer;
  padding: 2px 6px;
  border-radius: 4px;
  z-index: 2;
}
.hdc-edit:hover {
  color: rgba(255,255,255,.85);
  background: rgba(255,255,255,.12);
}

.hero-content {
  position: relative;
  z-index: 2;
  max-width: 620px;
}
.hero-content .container { padding-top: 100px; }

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: rgba(255,255,255,.12);
  border: 1px solid rgba(255,255,255,.2);
  border-radius: 20px;
  padding: 7px 16px;
  margin-bottom: 28px;
  color: rgba(255,255,255,.9);
  font-size: 13px;
}
.hero-badge-dot { width: 6px; height: 6px; border-radius: 50%; background: #4ade80; flex-shrink: 0; }

.hero-title {
  font-size: clamp(36px, 4.5vw, 56px);
  font-weight: 700;
  color: var(--white);
  line-height: 1.2;
  margin-bottom: 20px;
}
.hero-title .highlight { color: #FCD34D; }

.hero-sub {
  font-size: 18px;
  color: rgba(255,255,255,.75);
  line-height: 1.75;
  margin-bottom: 40px;
  max-width: 520px;
}

.hero-actions {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
  margin-bottom: 56px;
}

.hero-stats {
  display: flex;
  gap: 40px;
  flex-wrap: wrap;
}
.hs-item { display: flex; flex-direction: column; }
.hs-num {
  font-size: 32px;
  font-weight: 700;
  color: var(--white);
  line-height: 1;
}
.hs-num span { color: var(--orange); }
.hs-label { font-size: 13px; color: rgba(255,255,255,.55); margin-top: 4px; }

.hero-scroll-hint {
  position: absolute;
  bottom: 36px;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  color: rgba(255,255,255,.4);
  font-size: 11px;
  letter-spacing: 2px;
  text-transform: uppercase;
  z-index: 2;
}
.hero-scroll-hint::after {
  content: '';
  width: 1px;
  height: 40px;
  background: linear-gradient(to bottom, rgba(255,255,255,.4), transparent);
  animation: scrollPulse 2s ease-in-out infinite;
}
@keyframes scrollPulse {
  0%,100% { opacity: .3; transform: scaleY(1); }
  50% { opacity: 1; transform: scaleY(.8); }
}

/* ============================================================
   信任背书
============================================================ */
.trust-bar {
  background: var(--white);
  border-bottom: 1px solid var(--gray-300);
  padding: 32px 0;
}
.trust-inner {
  display: flex;
  align-items: center;
  gap: 24px;
  flex-wrap: nowrap;
}
.trust-label {
  font-size: 13px;
  color: var(--gray-500);
  white-space: nowrap;
  flex-shrink: 0;
}
.trust-divider { width: 1px; height: 24px; background: var(--gray-300); flex-shrink: 0; }
.trust-track-wrapper {
  display: flex;
  overflow: hidden;
  flex: 1;
  min-width: 0;
}
.trust-track-scroller {
  display: flex;
  width: max-content;
  /* JS 动态设置 transform，不用 CSS animation */
}
.trust-track {
  display: flex;
  align-items: center;
  gap: 32px;
  flex-shrink: 0;
}
/* 两个 track 之间的间隔 */
.trust-track-scroller > .trust-track:first-child {
  margin-right: 64px;
}
.trust-logo-item {
  display: inline-block;
  font-size: 13px;
  font-weight: 600;
  color: var(--gray-500);
  text-decoration: none;
  padding: 6px 14px;
  border: 1px solid var(--gray-300);
  border-radius: 6px;
  white-space: nowrap;
  transition: color var(--ease) 200ms, border-color var(--ease) 200ms;
}
.trust-logo-item:hover { color: var(--blue-900); border-color: var(--blue-900); }

/* 滚动由 JS 驱动，不再使用 CSS @keyframes */

/* ============================================================
   核心价值
============================================================ */
.values-section { background: var(--gray-100); }
.values-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
}
.value-card {
  background: var(--white);
  border-radius: 12px;
  padding: 40px 32px;
  border: 1px solid var(--gray-300);
  transition: transform var(--ease) 400ms, box-shadow var(--ease) 400ms;
}
.value-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
}
.value-icon {
  width: 56px;
  height: 56px;
  border-radius: 12px;
  background: var(--blue-50);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 20px;
  color: var(--blue-900);
}
.value-icon svg { width: 28px; height: 28px; }
.value-card h3 { font-size: 20px; font-weight: 700; color: var(--gray-900); margin-bottom: 10px; }
.value-card p { font-size: 15px; color: var(--gray-500); line-height: 1.7; }
.value-num {
  font-size: 11px;
  font-weight: 700;
  color: var(--orange);
  letter-spacing: 2px;
  margin-bottom: 8px;
  display: block;
}

/* ============================================================
   精选展会
============================================================ */
.featured-expos { background: var(--white); }

.expos-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
}

.expo-card-link {
  display: block;
  border-radius: 12px;
  border: 1px solid var(--gray-300);
  overflow: hidden;
  transition: transform var(--ease) 400ms, box-shadow var(--ease) 400ms;
  background: var(--white);
  text-decoration: none;
  color: inherit;
}
.expo-card-link:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
}
.expo-card-link:hover .ec-name {
  color: var(--expo-blue);
}

.expo-card {
  /* 视觉样式已移至外层 expo-card-link，此处仅作容器 */
}

.expo-card-img {
  height: 180px;
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  overflow: hidden;
}
.expo-card-img .ec-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(to bottom, transparent 40%, rgba(0,0,0,.5));
}
.expo-card-img .ec-country {
  position: absolute;
  top: 12px;
  right: 12px;
  background: rgba(0,0,0,.5);
  color: var(--white);
  font-size: 12px;
  padding: 4px 10px;
  border-radius: 4px;
  backdrop-filter: blur(4px);
}

.expo-card-body { padding: 24px; }
.ec-month {
  display: inline-block;
  font-size: 12px;
  font-weight: 600;
  color: var(--orange);
  background: rgba(234,88,12,.08);
  padding: 3px 10px;
  border-radius: 4px;
  margin-bottom: 10px;
}
.ec-name { font-size: 18px; font-weight: 700; color: var(--gray-900); margin-bottom: 6px; line-height: 1.3; }
.ec-name a { color: inherit; text-decoration: none; cursor: pointer; }
.ec-name a:hover { color: var(--accent); }
.ec-loc { font-size: 13px; color: var(--gray-500); margin-bottom: 10px; display: flex; align-items: center; gap: 4px; }
.ec-desc { font-size: 14px; color: var(--gray-600); line-height: 1.65; margin-bottom: 16px; }
.ec-tags { display: flex; gap: 6px; flex-wrap: wrap; margin-bottom: 20px; }
.ec-tag {
  font-size: 12px;
  padding: 3px 8px;
  border-radius: 4px;
  background: var(--blue-50);
  color: var(--blue-900);
  font-weight: 500;
}
.ec-footer { display: flex; align-items: center; justify-content: space-between; padding-top: 16px; border-top: 1px solid var(--gray-100); }
.ec-detail { font-size: 14px; color: var(--blue-900); font-weight: 600; transition: gap 0.2s; display: flex; align-items: center; gap: 4px; }
.ec-detail:hover { gap: 8px; }

.view-all-wrap { margin-top: 48px; text-align: center; }

/* ============================================================
   展会场景背景色彩
============================================================ */
.bg-expo-1 { background: linear-gradient(135deg, #1e3a8a 0%, #1d4ed8 100%); }
.bg-expo-2 { background: linear-gradient(135deg, #065f46 0%, #059669 100%); }
.bg-expo-3 { background: linear-gradient(135deg, #7c2d12 0%, #ea580c 100%); }
.bg-expo-4 { background: linear-gradient(135deg, #4c1d95 0%, #7c3aed 100%); }
.bg-expo-5 { background: linear-gradient(135deg, #0c4a6e 0%, #0284c7 100%); }
.bg-expo-6 { background: linear-gradient(135deg, #134e4a 0%, #0d9488 100%); }
.bg-expo-7 { background: linear-gradient(135deg, #1e1b4b 0%, #4338ca 100%); }
.bg-expo-8 { background: linear-gradient(135deg, #431407 0%, #b45309 100%); }
.bg-expo-9 { background: linear-gradient(135deg, #064e3b 0%, #10b981 100%); }

.expo-card-img svg { color: rgba(255,255,255,.25); width: 64px; height: 64px; }

/* 卡片真实图片 — 按比例缩放，完整显示不裁剪 */
.expo-card-img.has-img { background: #111; }
.expo-card-img-real {
  display: block;
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: contain;
  object-position: center;
}

/* ============================================================
   CTA Banner
============================================================ */
.cta-banner {
  background: var(--blue-900);
  padding: 80px 0;
}
.cta-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 40px;
  flex-wrap: wrap;
}
.cta-text h2 {
  font-size: clamp(24px, 2.5vw, 36px);
  font-weight: 700;
  color: var(--white);
  margin-bottom: 10px;
}
.cta-text p { font-size: 16px; color: rgba(255,255,255,.65); }
.cta-actions { display: flex; gap: 16px; flex-wrap: wrap; flex-shrink: 0; }

/* ============================================================
   Footer
============================================================ */
.footer { background: var(--gray-900); }
.footer-main {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1.5fr;
  gap: 48px;
  padding: 64px 0 48px;
}
.footer-brand .logo img { height: 32px; width: auto; }
.footer-brand .logo-cn { font-size: 18px; }
.footer-brand .logo-en { font-size: 12px; }
.footer-brand p {
  font-size: 14px;
  color: rgba(255,255,255,.4);
  line-height: 1.8;
  margin-top: 16px;
  max-width: 280px;
}
.footer-col h4 {
  font-size: 14px;
  font-weight: 700;
  color: var(--white);
  margin-bottom: 20px;
  letter-spacing: 1px;
}
.footer-col ul { display: flex; flex-direction: column; gap: 10px; }
.footer-col a {
  font-size: 14px;
  color: rgba(255,255,255,.45);
  transition: color var(--ease) 200ms;
}
.footer-col a:hover { color: var(--white); }
.footer-contact-info { display: flex; flex-direction: column; gap: 12px; }
.fci-item { display: flex; align-items: flex-start; gap: 10px; }
.fci-icon { color: var(--orange); flex-shrink: 0; margin-top: 2px; }
.fci-text { font-size: 14px; color: rgba(255,255,255,.45); line-height: 1.6; }

.footer-bottom {
  border-top: 1px solid rgba(255,255,255,.08);
  padding: 20px 0;
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 8px;
}
.footer-bottom p { font-size: 13px; color: rgba(255,255,255,.25); }

/* ============================================================
   Page Hero（内页通用顶部）
============================================================ */
.page-hero {
  background: var(--blue-900);
  padding: 140px 0 72px;
  position: relative;
  overflow: hidden;
}
.page-hero::after {
  content: '';
  position: absolute;
  inset: 0;
  background: repeating-linear-gradient(
    45deg,
    transparent,
    transparent 40px,
    rgba(255,255,255,.02) 40px,
    rgba(255,255,255,.02) 41px
  );
}
.page-hero .container { position: relative; z-index: 1; }
.page-hero-tag {
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 3px;
  text-transform: uppercase;
  color: var(--orange);
  margin-bottom: 14px;
  display: block;
}
.page-hero h1 {
  font-size: clamp(30px, 3.5vw, 48px);
  font-weight: 700;
  color: var(--white);
  margin-bottom: 14px;
  line-height: 1.2;
}
.page-hero p {
  font-size: 17px;
  color: rgba(255,255,255,.65);
  max-width: 520px;
}
.breadcrumb {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-top: 24px;
  font-size: 13px;
  color: rgba(255,255,255,.4);
}
.breadcrumb a { color: rgba(255,255,255,.55); transition: color 0.2s; }
.breadcrumb a:hover { color: var(--white); }
.breadcrumb span { color: rgba(255,255,255,.25); }

/* ============================================================
   展会服务页 — 筛选 & 列表
============================================================ */
.filter-bar {
  background: var(--gray-100);
  border-bottom: 1px solid var(--gray-300);
  padding: 20px 0;
  position: sticky;
  top: 72px;
  z-index: 100;
}
.filter-inner {
  display: flex;
  align-items: center;
  gap: 12px;
  flex-wrap: wrap;
}
.filter-label { font-size: 14px; font-weight: 600; color: var(--gray-600); flex-shrink: 0; margin-right: 4px; }
.filter-group { display: flex; gap: 8px; flex-wrap: wrap; }
.filter-btn {
  padding: 7px 16px;
  border-radius: 20px;
  font-size: 13px;
  font-weight: 500;
  background: var(--white);
  color: var(--gray-600);
  border: 1.5px solid var(--gray-300);
  transition: all var(--ease) 200ms;
}
.filter-btn:hover, .filter-btn.active {
  background: var(--blue-900);
  color: var(--white);
  border-color: var(--blue-900);
}
.filter-sep { width: 1px; height: 20px; background: var(--gray-300); flex-shrink: 0; }

.expos-page { padding: 64px 0; }
.expos-result-count { font-size: 14px; color: var(--gray-500); margin-bottom: 32px; }

/* ============================================================
   新闻资讯页
============================================================ */
.news-layout {
  display: grid;
  grid-template-columns: 1fr 320px;
  gap: 48px;
  padding: 64px 0;
}

.news-tabs {
  display: flex;
  gap: 0;
  border-bottom: 2px solid var(--gray-300);
  margin-bottom: 36px;
}
.news-tab {
  padding: 12px 24px;
  font-size: 15px;
  font-weight: 500;
  color: var(--gray-500);
  background: none;
  border-bottom: 2px solid transparent;
  margin-bottom: -2px;
  transition: all var(--ease) 200ms;
}
.news-tab:hover { color: var(--blue-900); }
.news-tab.active { color: var(--blue-900); border-bottom-color: var(--blue-900); font-weight: 700; }

.news-list { display: flex; flex-direction: column; gap: 28px; }
.news-item {
  display: grid;
  grid-template-columns: 200px 1fr;
  gap: 24px;
  padding-bottom: 28px;
  border-bottom: 1px solid var(--gray-100);
  transition: all var(--ease) 300ms;
}
.news-item:last-child { border-bottom: none; }
.news-item:hover .ni-title { color: var(--blue-900); }
.news-thumb {
  height: 130px;
  border-radius: 8px;
  overflow: hidden;
  flex-shrink: 0;
}
.ni-meta {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 8px;
}
.ni-cat {
  font-size: 11px;
  font-weight: 600;
  padding: 3px 8px;
  border-radius: 4px;
  background: var(--blue-50);
  color: var(--blue-900);
}
.ni-date { font-size: 12px; color: var(--gray-500); }
.ni-title { font-size: 17px; font-weight: 700; color: var(--gray-900); line-height: 1.4; margin-bottom: 8px; transition: color 0.2s; }
.ni-desc { font-size: 14px; color: var(--gray-500); line-height: 1.65; margin-bottom: 12px; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }
.ni-read { font-size: 14px; color: var(--blue-900); font-weight: 600; display: inline-flex; align-items: center; gap: 4px; }

.news-sidebar { }
.sidebar-widget {
  background: var(--gray-100);
  border-radius: 10px;
  padding: 24px;
  margin-bottom: 24px;
}
.sw-title { font-size: 16px; font-weight: 700; color: var(--gray-900); margin-bottom: 16px; }
.sw-list { display: flex; flex-direction: column; gap: 12px; }
.sw-item {
  font-size: 14px;
  color: var(--gray-600);
  padding-bottom: 12px;
  border-bottom: 1px solid var(--gray-300);
  cursor: pointer;
  transition: color 0.2s;
  line-height: 1.5;
}
.sw-item:last-child { border-bottom: none; padding-bottom: 0; }
.sw-item:hover { color: var(--blue-900); }
.sw-item-date { font-size: 12px; color: var(--gray-500); margin-top: 3px; }

/* ============================================================
   关于我们页
============================================================ */
.about-intro-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 80px;
  align-items: center;
}
.about-visual {
  position: relative;
}
.about-main-card {
  background: var(--blue-900);
  border-radius: 16px;
  padding: 48px 40px;
  color: var(--white);
  position: relative;
  overflow: hidden;
}
.about-main-card::before {
  content: '';
  position: absolute;
  right: -30px;
  top: -30px;
  width: 200px;
  height: 200px;
  border-radius: 50%;
  background: rgba(255,255,255,.04);
}
.amc-big {
  font-size: 72px;
  font-weight: 800;
  color: rgba(255,255,255,.12);
  line-height: 1;
  margin-bottom: 12px;
}
.amc-title { font-size: 22px; font-weight: 700; margin-bottom: 16px; }
.amc-desc { font-size: 15px; color: rgba(255,255,255,.65); line-height: 1.75; }
.about-mini-cards {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
  margin-top: 16px;
}
.about-mini-card {
  background: var(--white);
  border-radius: 10px;
  padding: 20px;
  text-align: center;
}
.amc-num { font-size: 28px; font-weight: 800; color: var(--blue-900); line-height: 1; margin-bottom: 4px; }
.amc-num span { color: var(--orange); }
.amc-label { font-size: 12px; color: var(--gray-500); }

.about-intro-text .section-title { text-align: left; }
.about-intro-text .section-desc { max-width: 100%; }
.about-paras { margin-top: 20px; display: flex; flex-direction: column; gap: 14px; }
.about-paras p { font-size: 15px; color: var(--gray-600); line-height: 1.85; }

.timeline-section { background: var(--gray-100); }
.timeline { max-width: 720px; margin: 0 auto; position: relative; padding-left: 48px; }
.timeline::before {
  content: '';
  position: absolute;
  left: 16px; top: 0; bottom: 0;
  width: 2px;
  background: var(--gray-300);
}
.tl-item {
  position: relative;
  margin-bottom: 40px;
  padding: 28px 32px;
  background: var(--white);
  border-radius: 10px;
  border: 1px solid var(--gray-300);
  transition: box-shadow var(--ease) 300ms;
}
.tl-item:last-child { margin-bottom: 0; }
.tl-item:hover { box-shadow: var(--shadow-md); }
.tl-item::before {
  content: '';
  position: absolute;
  left: -40px;
  top: 28px;
  width: 12px; height: 12px;
  border-radius: 50%;
  background: var(--blue-900);
  border: 3px solid var(--white);
  box-shadow: 0 0 0 2px var(--blue-900);
}
.tl-year {
  font-size: 13px;
  font-weight: 700;
  color: var(--orange);
  letter-spacing: 1px;
  margin-bottom: 6px;
}
.tl-item h3 { font-size: 17px; font-weight: 700; color: var(--gray-900); margin-bottom: 6px; }
.tl-item p { font-size: 14px; color: var(--gray-500); line-height: 1.7; }

.team-section { background: var(--white); }
.team-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
}
.team-card {
  text-align: center;
  padding: 36px 24px;
  border-radius: 12px;
  border: 1px solid var(--gray-300);
  transition: all var(--ease) 300ms;
}
.team-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-lg); }
.team-avatar {
  width: 80px;
  height: 80px;
  border-radius: 50%;
  margin: 0 auto 16px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 28px;
  font-weight: 700;
  color: var(--white);
}
.av-blue { background: var(--blue-900); }
.av-orange { background: var(--orange); }
.av-teal { background: #0d9488; }
.team-card h3 { font-size: 18px; font-weight: 700; color: var(--gray-900); margin-bottom: 4px; }
.team-card .role { font-size: 13px; color: var(--orange); font-weight: 600; margin-bottom: 12px; }
.team-card p { font-size: 14px; color: var(--gray-500); line-height: 1.7; }

.honors-section { background: var(--gray-100); }
.honors-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
}
.honor-card {
  background: var(--white);
  border-radius: 10px;
  padding: 28px 20px;
  text-align: center;
  border: 1px solid var(--gray-300);
}
.honor-icon { font-size: 32px; margin-bottom: 12px; }
.honor-card h4 { font-size: 15px; font-weight: 700; color: var(--gray-900); margin-bottom: 6px; }
.honor-card p { font-size: 13px; color: var(--gray-500); line-height: 1.6; }

/* ============================================================
   联系我们页
============================================================ */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1.4fr;
  gap: 64px;
  padding: 64px 0 80px;
}
.contact-info-side h2 {
  font-size: 28px;
  font-weight: 700;
  color: var(--gray-900);
  margin-bottom: 16px;
}
.contact-info-side > p {
  font-size: 15px;
  color: var(--gray-500);
  line-height: 1.8;
  margin-bottom: 36px;
}
.contact-items { display: flex; flex-direction: column; gap: 20px; }
.contact-item {
  display: flex;
  gap: 16px;
  align-items: flex-start;
}
.ci-icon {
  width: 46px;
  height: 46px;
  border-radius: 10px;
  background: var(--blue-50);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  color: var(--blue-900);
}
.ci-icon svg { width: 22px; height: 22px; }
.ci-label { font-size: 12px; font-weight: 600; color: var(--orange); text-transform: uppercase; letter-spacing: 1px; margin-bottom: 4px; }
.ci-value { font-size: 15px; color: var(--gray-800); line-height: 1.6; }
.ci-sub { font-size: 13px; color: var(--gray-500); margin-top: 2px; }

.workhours {
  margin-top: 32px;
  background: var(--blue-50);
  border-radius: 10px;
  padding: 20px 24px;
}
.workhours h4 { font-size: 14px; font-weight: 700; color: var(--blue-900); margin-bottom: 10px; }
.workhours p { font-size: 14px; color: var(--gray-600); line-height: 1.7; }

.contact-form-wrap {
  background: var(--gray-100);
  border-radius: 16px;
  padding: 40px;
  border: 1px solid var(--gray-300);
}
.form-title { font-size: 22px; font-weight: 700; color: var(--gray-900); margin-bottom: 28px; }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; margin-bottom: 0; }
.form-group { margin-bottom: 16px; }
.form-group label {
  display: block;
  font-size: 14px;
  font-weight: 500;
  color: var(--gray-700, #374151);
  margin-bottom: 6px;
}
.form-group input,
.form-group select,
.form-group textarea {
  width: 100%;
  padding: 12px 14px;
  border: 1.5px solid var(--gray-300);
  border-radius: 8px;
  font-size: 15px;
  font-family: inherit;
  background: var(--white);
  color: var(--gray-800);
  transition: border-color var(--ease) 200ms, box-shadow var(--ease) 200ms;
  height: 48px;
}
.form-group textarea { height: auto; min-height: 120px; resize: vertical; }
.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--blue-900);
  box-shadow: 0 0 0 3px rgba(30,58,138,.1);
}
.form-group input::placeholder,
.form-group textarea::placeholder { color: #9CA3AF; }
.form-submit {
  width: 100%;
  padding: 16px;
  background: var(--blue-900);
  color: var(--white);
  font-size: 16px;
  font-weight: 700;
  border-radius: 8px;
  margin-top: 8px;
  transition: background var(--ease) 250ms, transform var(--ease) 250ms;
}
.form-submit:hover { background: var(--blue-800); transform: translateY(-1px); }
.form-submit.success { background: #16a34a; }
.form-note { font-size: 13px; color: var(--gray-500); text-align: center; margin-top: 12px; }

.map-section { padding: 0 0 80px; }
.map-box {
  height: 360px;
  border-radius: 16px;
  overflow: hidden;
  background: linear-gradient(135deg, var(--blue-50), #e0e7ff);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 12px;
  border: 1px solid var(--gray-300);
}
.map-box svg { color: var(--blue-900); opacity: .35; width: 48px; height: 48px; }
.map-box p { font-size: 15px; color: var(--gray-500); }
.map-box small { font-size: 13px; color: var(--gray-400); }

/* ============================================================
   咨询弹窗
============================================================ */
.modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,.55);
  z-index: 2000;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 24px;
  opacity: 0;
  pointer-events: none;
  transition: opacity var(--ease) 300ms;
}
.modal-overlay.open {
  opacity: 1;
  pointer-events: all;
}
.modal {
  background: var(--white);
  border-radius: 16px;
  width: 100%;
  max-width: 520px;
  padding: 40px;
  position: relative;
  transform: translateY(20px) scale(.97);
  transition: transform var(--ease) 300ms;
  max-height: 90vh;
  overflow-y: auto;
}
.modal-overlay.open .modal {
  transform: translateY(0) scale(1);
}
.modal-close {
  position: absolute;
  top: 16px; right: 16px;
  background: var(--gray-100);
  border-radius: 50%;
  width: 32px; height: 32px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 18px;
  color: var(--gray-500);
  transition: all 0.2s;
}
.modal-close:hover { background: var(--gray-300); color: var(--gray-900); }
.modal h3 {
  font-size: 22px;
  font-weight: 700;
  color: var(--gray-900);
  margin-bottom: 6px;
}
.modal-sub { font-size: 14px; color: var(--gray-500); margin-bottom: 28px; }

/* ============================================================
   Scroll 动效
============================================================ */
.fade-in {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.6s var(--ease), transform 0.6s var(--ease);
}
.fade-in.visible {
  opacity: 1;
  transform: translateY(0);
}
/* 交错延迟 */
.fade-in:nth-child(1) { transition-delay: 0ms; }
.fade-in:nth-child(2) { transition-delay: 80ms; }
.fade-in:nth-child(3) { transition-delay: 160ms; }
.fade-in:nth-child(4) { transition-delay: 240ms; }
.fade-in:nth-child(5) { transition-delay: 320ms; }
.fade-in:nth-child(6) { transition-delay: 400ms; }

/* ============================================================
   FAQ
============================================================ */
.faq-section { background: var(--gray-100); }
.faq-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.faq-item { background: var(--white); border-radius: 10px; border: 1px solid var(--gray-300); overflow: hidden; }
.faq-q {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 20px 24px;
  cursor: pointer;
  font-size: 15px;
  font-weight: 600;
  color: var(--gray-900);
  user-select: none;
  transition: color 0.2s;
  gap: 12px;
}
.faq-q:hover { color: var(--blue-900); }
.faq-icon { font-size: 20px; color: var(--blue-900); transition: transform var(--ease) 300ms; flex-shrink: 0; }
.faq-item.open .faq-icon { transform: rotate(45deg); }
.faq-a { display: none; padding: 0 24px 20px; font-size: 14px; color: var(--gray-500); line-height: 1.75; }
.faq-item.open .faq-a { display: block; }

/* ============================================================
   Hero 报名弹窗
============================================================ */
.hero-reg-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,.6);
  z-index: 2100;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 24px;
  opacity: 0;
  pointer-events: none;
  transition: opacity var(--ease) 300ms;
}
.hero-reg-overlay.open {
  opacity: 1;
  pointer-events: all;
}
.hero-reg-modal {
  background: var(--white);
  border-radius: 16px;
  width: 100%;
  max-width: 540px;
  max-height: 90vh;
  overflow-y: auto;
  position: relative;
  transform: translateY(20px) scale(.97);
  transition: transform var(--ease) 300ms;
}
.hero-reg-overlay.open .hero-reg-modal {
  transform: translateY(0) scale(1);
}
.hero-reg-close {
  position: absolute;
  top: 16px; right: 16px;
  background: var(--gray-100);
  border-radius: 50%;
  width: 32px; height: 32px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 18px;
  color: var(--gray-500);
  z-index: 2;
  transition: all 0.2s;
}
.hero-reg-close:hover { background: var(--gray-300); color: var(--gray-900); }

.hrm-header {
  background: linear-gradient(135deg, var(--blue-900) 0%, #1d4ed8 100%);
  padding: 36px 40px 32px;
  color: var(--white);
  position: relative;
  overflow: hidden;
}
.hrm-header::after {
  content: '';
  position: absolute;
  right: -20px; top: -20px;
  width: 140px; height: 140px;
  border-radius: 50%;
  background: rgba(255,255,255,.05);
}
.hrm-badge {
  display: inline-block;
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 2px;
  text-transform: uppercase;
  color: #FCD34D;
  background: rgba(255,255,255,.12);
  padding: 4px 12px;
  border-radius: 20px;
  margin-bottom: 14px;
}
.hrm-expo-name {
  font-size: 22px;
  font-weight: 700;
  margin-bottom: 8px;
  line-height: 1.3;
  position: relative;
  z-index: 1;
}
.hrm-expo-info {
  font-size: 14px;
  color: rgba(255,255,255,.7);
  margin-bottom: 14px;
  position: relative;
  z-index: 1;
}
.hrm-tags {
  display: flex;
  gap: 6px;
  flex-wrap: wrap;
  position: relative;
  z-index: 1;
}
.hrm-tag {
  display: inline-block;
  font-size: 11px;
  font-weight: 600;
  padding: 3px 10px;
  border-radius: 20px;
  background: rgba(255,255,255,.15);
  color: rgba(255,255,255,.85);
}

.hero-reg-modal #heroRegForm {
  padding: 32px 40px 36px;
}
.hero-reg-submit {
  background: var(--orange) !important;
}
.hero-reg-submit:hover {
  background: var(--orange-h) !important;
}

/* Hero 卡片点击反馈 */
.hero-deco-card-link {
  cursor: pointer;
  user-select: none;
}
.hero-deco-card-link:active {
  transform: scale(.97);
}

/* ============================================================
   响应式
============================================================ */
@media (max-width: 1023px) {
  .hero-deco { display: none; }
  .footer-main { grid-template-columns: 1fr 1fr; }
  .footer-brand { grid-column: 1 / -1; }
  .expos-grid { grid-template-columns: repeat(2, 1fr); }
  .values-grid { grid-template-columns: repeat(2, 1fr); }
  .honors-grid { grid-template-columns: repeat(2, 1fr); }
  .team-grid { grid-template-columns: repeat(2, 1fr); }
  .faq-grid { grid-template-columns: 1fr; }
  .about-intro-grid { grid-template-columns: 1fr; gap: 40px; }
  .news-layout { grid-template-columns: 1fr; }
  .news-sidebar { display: none; }
}

@media (max-width: 767px) {
  .container { padding: 0 20px; }
  .section { padding: 56px 0; }
  .section-title { font-size: 28px; }
  .nav-links { display: none; }
  .nav-cta { display: none; }
  .hamburger { display: flex; }
  .expos-grid { grid-template-columns: 1fr; }
  .values-grid { grid-template-columns: 1fr; }
  .honors-grid { grid-template-columns: repeat(2, 1fr); }
  .team-grid { grid-template-columns: 1fr; }
  .cta-inner { flex-direction: column; text-align: center; }
  .cta-actions { justify-content: center; }
  .hero-stats { gap: 24px; }
  .hero-actions { flex-direction: column; align-items: flex-start; }
  .contact-grid { grid-template-columns: 1fr; gap: 40px; }
  .form-row { grid-template-columns: 1fr; }
  .footer-main { grid-template-columns: 1fr; gap: 32px; }
  .trust-logos { gap: 10px; }
  .news-item { grid-template-columns: 1fr; }
  .news-thumb { height: 180px; }
  .filter-inner { gap: 8px; }
  .page-hero { padding-top: 120px; }
  .modal { padding: 28px 20px; }
  .faq-grid { grid-template-columns: 1fr; }
}