/* ============================================================
   津奥来国际物流 | 全局样式整合版
   说明：本文件合并自首页、关于我们、产品服务、管理模式、新闻列表、新闻详情及联系我们页面。
   已移除所有 @media (max-width: 480px) 响应式规则。
   包含公共变量、重置样式、布局、组件、动画及自适应（保留 768px 及 1100px 断点）。
   ============================================================ */
/* ----- 全局变量与重置 ----- */ :root {
  --primary: #0A2B5E;
  --primary-light: #154a8a;
  --primary-soft: #e8f0fa;
  --accent: #C22527;
  --accent-light: #e02d30;
  --white: #ffffff;
  --gray-50: #f8f9fa;
  --gray-100: #f1f3f5;
  --gray-200: #e9ecef;
  --gray-300: #dee2e3;
  --gray-400: #ced4da;
  --gray-500: #adb5bd;
  --gray-600: #6c757d;
  --gray-700: #495057;
  --gray-800: #343a40;
  --gold: #d4a853;
  --gold-light: #f0d78c;
  --font-sans: 'Segoe UI', 'PingFang SC', 'Microsoft YaHei', 'Hiragino Sans GB', 'Helvetica Neue', sans-serif;
  --max-width: 1680px;
  --header-height: 72px;
  --transition: 0.35s cubic-bezier(0.4, 0, 0.2, 1);
  --glass-bg: rgba(255, 255, 255, 0.5);
  --glass-bg-hover: rgba(255, 255, 255, 0.72);
  --glass-border: rgba(255, 255, 255, 0.55);
  --glass-shadow: 0 8px 28px rgba(10, 43, 94, 0.05);
  --glass-shadow-hover: 0 18px 48px rgba(10, 43, 94, 0.10);
  --glass-blur: 16px;
  --radius-sm: 10px;
  --radius: 14px;
  --radius-lg: 20px;
  --radius-xl: 24px;
}
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}
html {
  scroll-behavior: smooth;
  scroll-padding-top: var(--header-height);
  font-size: 16px;
}
body {
  font-family: var(--font-sans);
  color: var(--gray-800);
  background: #fafbfd;
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}
/* ----- 动态背景/粒子层 ----- */
.particles-layer, .matrix-bg {
  position: fixed;
  inset: 0;
  z-index: 0;
  pointer-events: none;
  opacity: 0.25;
}
.particle {
  position: absolute;
  border-radius: 50%;
  animation: floatUp linear infinite;
  opacity: 0;
}
@keyframes floatUp {
  0% {
    transform: translateY(110vh) scale(0);
    opacity: 0;
  }
  10% {
    opacity: 0.5;
  }
  85% {
    opacity: 0.3;
  }
  100% {
    transform: translateY(-10vh) scale(1.4);
    opacity: 0;
  }
}
.ambient-glow, .glow-orb {
  position: fixed;
  pointer-events: none;
  z-index: 0;
  border-radius: 50%;
  opacity: 0.35;
}
.glow-orb-1, .glow-top {
  top: -250px;
  left: -200px;
  width: 700px;
  height: 700px;
  background: radial-gradient(circle, rgba(10, 43, 94, 0.04) 0%, transparent 70%);
}
.glow-orb-2, .glow-bottom {
  bottom: -200px;
  right: -150px;
  width: 600px;
  height: 600px;
  background: radial-gradient(circle, rgba(194, 37, 39, 0.03) 0%, transparent 70%);
}
.scan-line, .scanline-overlay, .data-stream, .circuit-bg, .tech-bg {
  position: fixed;
  inset: 0;
  z-index: 0;
  pointer-events: none;
}
.data-stream {
  opacity: 0.15;
  background-image: repeating-linear-gradient(0deg, transparent, transparent 2px, rgba(10, 43, 94, 0.2) 2px, rgba(10, 43, 94, 0.2) 4px);
  background-size: 100% 80px;
  animation: streamMove 6s linear infinite;
}
@keyframes streamMove {
  0% {
    background-position: 0 0;
  }
  100% {
    background-position: 0 80px;
  }
}
.circuit-bg {
  opacity: 0.12;
  background-image: linear-gradient(rgba(10, 43, 94, 0.3) 1px, transparent 1px), linear-gradient(90deg, rgba(10, 43, 94, 0.3) 1px, transparent 1px);
  background-size: 40px 40px;
  mask-image: radial-gradient(ellipse at center, black 30%, transparent 70%);
  -webkit-mask-image: radial-gradient(ellipse at center, black 30%, transparent 70%);
}
.tech-bg {
  background: radial-gradient(ellipse at 50% 0%, rgba(10, 43, 94, 0.06) 0%, transparent 60%), radial-gradient(ellipse at 80% 100%, rgba(194, 37, 39, 0.04) 0%, transparent 50%);
}
.not-animated {
  opacity: 0;
}
/* ----- HEADER 导航栏 (公共) ----- */
.header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  background: rgba(255, 255, 255, 0.82);
  backdrop-filter: blur(24px);
  height: var(--header-height);
  transition: all var(--transition);
  border-bottom: 1px solid rgba(255, 255, 255, 0.6);
}
.header.scrolled {
  border-bottom-color: rgba(10, 43, 94, 0.08);
  box-shadow: 0 4px 32px rgba(0, 0, 0, 0.06);
  background: rgba(255, 255, 255, 0.92);
}
.header-inner {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 36px;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.logo-area {
  display: flex;
  align-items: center;
  gap: 12px;
  text-decoration: none;
  color: var(--primary);
  flex-shrink: 0;
  z-index: 1001;
}
.logo-icon {
  width: 44px;
  height: 44px;
  border-radius: var(--radius-sm);
  background: linear-gradient(135deg, var(--primary), #1a5290);
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 900;
  font-size: 1.4rem;
  color: #fff;
  box-shadow: 0 4px 18px rgba(10, 43, 94, 0.35);
  transition: all var(--transition);
}
.logo-area:hover .logo-icon {
  box-shadow: 0 6px 26px rgba(194, 37, 39, 0.45);
  transform: scale(1.05);
}
.logo-text {
  font-size: 1.1rem;
  font-weight: 700;
  letter-spacing: 0.6px;
  white-space: nowrap;
  line-height: 1.2;
}
.logo-text small {
  display: block;
  font-size: 0.6rem;
  font-weight: 400;
  letter-spacing: 1.8px;
  opacity: 0.55;
  text-transform: uppercase;
}
.nav-desktop {
  display: flex;
  align-items: center;
  gap: 3px;
  list-style: none;
  height: 100%;
}
.nav-desktop > li {
  position: relative;
  height: 100%;
  display: flex;
  align-items: center;
}
.nav-desktop > li > a, .nav-desktop > li > .nav-label {
  display: flex;
  align-items: center;
  gap: 5px;
  padding: 11px 16px;
  color: var(--gray-700);
  text-decoration: none;
  font-weight: 500;
  font-size: 0.9rem;
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: all var(--transition);
  white-space: nowrap;
  letter-spacing: 0.3px;
  background: transparent;
  border: none;
  position: relative;
}
.nav-desktop > li > a::after, .nav-desktop > li > .nav-label::after {
  content: '';
  position: absolute;
  bottom: 8px;
  left: 50%;
  transform: translateX(-50%) scaleX(0);
  width: 50%;
  height: 2px;
  background: var(--accent);
  border-radius: 2px;
  transition: transform var(--transition);
}
.nav-desktop > li > a:hover::after, .nav-desktop > li > .nav-label:hover::after, .nav-desktop > li.active > a::after, .nav-desktop > li.active > .nav-label::after {
  transform: translateX(-50%) scaleX(1);
}
.nav-desktop > li > a:hover, .nav-desktop > li > .nav-label:hover, .nav-desktop > li.active > a, .nav-desktop > li.active > .nav-label {
  color: var(--primary);
  background: rgba(10, 43, 94, 0.05);
}
.nav-arrow {
  font-size: 0.55rem;
  opacity: 0.4;
  transition: transform var(--transition);
}
.nav-desktop > li:hover .nav-arrow {
  transform: rotate(180deg);
  opacity: 1;
}
.dropdown {
  position: absolute;
  top: 100%;
  left: 50%;
  transform: translateX(-50%) translateY(10px);
  background: rgba(255, 255, 255, 0.92);
  backdrop-filter: blur(20px);
  min-width: 195px;
  border-radius: var(--radius);
  box-shadow: 0 20px 50px rgba(10, 43, 94, 0.12);
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
  transition: all 0.28s ease;
  padding: 6px 0;
  z-index: 999;
  list-style: none;
  border: 1px solid rgba(255, 255, 255, 0.6);
}
.nav-desktop > li:hover .dropdown {
  opacity: 1;
  visibility: visible;
  pointer-events: auto;
  transform: translateX(-50%) translateY(4px);
}
.dropdown li a {
  display: block;
  padding: 10px 22px;
  color: var(--gray-700);
  text-decoration: none;
  font-size: 0.85rem;
  transition: all 0.2s;
  white-space: nowrap;
  position: relative;
}
.dropdown li a::before {
  content: '';
  position: absolute;
  left: 10px;
  top: 50%;
  transform: translateY(-50%) scale(0);
  width: 3px;
  height: 16px;
  background: var(--accent);
  border-radius: 2px;
  transition: transform 0.2s;
}
.dropdown li a:hover {
  background: rgba(10, 43, 94, 0.05);
  color: var(--primary);
  font-weight: 600;
  padding-left: 28px;
}
.dropdown li a:hover::before {
  transform: translateY(-50%) scale(1);
}
.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  cursor: pointer;
  z-index: 1001;
  padding: 6px;
  background: none;
  border: none;
}
.nav-toggle span {
  display: block;
  width: 26px;
  height: 2.5px;
  background: var(--primary);
  border-radius: 2px;
  transition: all 0.3s;
}
.nav-toggle.active span:nth-child(1) {
  transform: translateY(7.5px) rotate(45deg);
}
.nav-toggle.active span:nth-child(2) {
  opacity: 0;
}
.nav-toggle.active span:nth-child(3) {
  transform: translateY(-7.5px) rotate(-45deg);
}
.mobile-menu {
  position: fixed;
  top: 0;
  right: -100%;
  width: 85%;
  max-width: 420px;
  height: 100vh;
  background: rgba(255, 255, 255, 0.96);
  backdrop-filter: blur(24px);
  z-index: 1000;
  padding: 85px 30px 30px;
  transition: right 0.4s ease;
  overflow-y: auto;
  box-shadow: -10px 0 50px rgba(0, 0, 0, 0.1);
}
.mobile-menu.open {
  right: 0;
}
.mobile-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.45);
  z-index: 999;
  opacity: 0;
  visibility: hidden;
  transition: 0.35s;
}
.mobile-overlay.open {
  opacity: 1;
  visibility: visible;
}
.mobile-menu a, .mobile-nav-label {
  display: block;
  color: var(--gray-700);
  text-decoration: none;
  padding: 13px 16px;
  font-size: 0.95rem;
  border-radius: var(--radius-sm);
  transition: 0.2s;
  cursor: pointer;
  font-weight: 500;
}
.mobile-nav-label {
  display: flex;
  justify-content: space-between;
  align-items: center;
}
.mobile-nav-label .bi {
  transition: transform 0.3s;
  font-size: 0.7rem;
}
.mobile-nav-label.open .bi {
  transform: rotate(180deg);
}
.mobile-sub {
  display: none;
  padding-left: 18px;
  border-left: 2px solid var(--accent);
  margin: 2px 0 6px 10px;
}
.mobile-sub.open {
  display: block;
}
/* ----- 页面通用区块 ----- */
.section {
  padding: 90px 36px;
  position: relative;
  z-index: 1;
}
.section-inner {
  max-width: var(--max-width);
  margin: 0 auto;
  position: relative;
  z-index: 2;
}
.section-header {
  text-align: center;
  margin-bottom: 56px;
}
.section-tag {
  display: inline-block;
  font-size: 0.76rem;
  font-weight: 700;
  letter-spacing: 4px;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 12px;
  position: relative;
  padding: 0 50px;
}
.section-tag::before, .section-tag::after {
  content: '';
  position: absolute;
  top: 50%;
  width: 35px;
  height: 1px;
  background: var(--accent);
  opacity: 0.4;
  transition: width 0.3s;
}
.section-tag::before {
  left: 0;
}
.section-tag::after {
  right: 0;
}
.section-title {
  font-size: clamp(1.8rem, 3.2vw, 2.5rem);
  font-weight: 800;
  color: var(--primary);
  margin-bottom: 8px;
  letter-spacing: 0.4px;
}
.section-subtitle {
  color: var(--gray-600);
  font-size: 1rem;
  max-width: 600px;
  margin: 0 auto;
}
/* 背景渐变公用 */
.bg-grad-1, .bg-gradient-1 {
  background: linear-gradient(175deg, #f8fafd 0%, #eef4fb 30%, #f5f7fc 60%, #fafbfd 100%);
}
.bg-grad-2, .bg-gradient-2 {
  background: linear-gradient(175deg, #f0f5fb 0%, #e8eff8 25%, #f3f6fb 55%, #fafbfd 100%);
}
.bg-grad-3, .bg-gradient-3 {
  background: linear-gradient(175deg, #f5f8fc 0%, #ecf2f9 20%, #f7f9fc 50%, #fff 100%);
}
.bg-grad-4, .bg-gradient-4 {
  background: linear-gradient(175deg, #fafbfd 0%, #f2f6fb 30%, #eef3f9 60%, #f8fafd 100%);
}
.bg-grad-5, .bg-gradient-5 {
  background: linear-gradient(175deg, #f4f7fc 0%, #eaf0f8 25%, #f6f8fc 55%, #fafbfd 100%);
}
/* ----- 页面BANNER (公共) ----- */
.page-banner {
  position: relative;
  padding: 110px 36px 70px;
  text-align: center;
  overflow: hidden;
  z-index: 1;
  margin-top: var(--header-height);
  background: linear-gradient(170deg, #f7fafd 0%, #edf3fa 30%, #f4f7fc 60%, #fafbfd 100%);
}
.page-banner::before {
  content: '';
  position: absolute;
  inset: 0;
  opacity: 0.04;
  background-image: repeating-linear-gradient(0deg, var(--primary) 0px, var(--primary) 1px, transparent 1px, transparent 40px);
  pointer-events: none;
}
.page-banner-content {
  position: relative;
  z-index: 2;
}
.page-banner-tag {
  display: inline-block;
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 4px;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 10px;
  background: rgba(194, 37, 39, 0.08);
  padding: 4px 14px;
  border-radius: 20px;
}
.page-banner h1 {
  font-size: clamp(1.8rem, 4.5vw, 3rem);
  font-weight: 800;
  color: var(--primary);
  margin-bottom: 8px;
}
.page-banner p {
  color: var(--gray-600);
  font-size: 1rem;
  max-width: 600px;
  margin: 0 auto;
}
/* ----- 公司简介网格（不对称悬浮）----- */
.about-grid {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 56px;
  align-items: center;
}
.about-visual {
  position: relative;
  border-radius: var(--radius-xl);
  overflow: hidden;
  aspect-ratio: 4/3;
  background: linear-gradient(140deg, #e4edf8 0%, #d0dff2 35%, #c5d8f0 100%);
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 16px 48px rgba(10, 43, 94, 0.1);
  transition: all var(--transition);
}
.about-visual:hover {
  box-shadow: 0 22px 56px rgba(10, 43, 94, 0.15);
  transform: scale(1.02);
}
.about-visual-inner {
  text-align: center;
  position: relative;
  z-index: 1;
}
.about-visual-inner .bi {
  font-size: 6rem;
  color: var(--primary);
  opacity: 0.4;
  transition: all var(--transition);
}
.about-visual:hover .about-visual-inner .bi {
  opacity: 0.55;
  transform: scale(1.05);
}
.about-visual-badge {
  position: absolute;
  bottom: 24px;
  right: 24px;
  background: rgba(194, 37, 39, 0.9);
  backdrop-filter: blur(8px);
  color: #fff;
  padding: 11px 22px;
  border-radius: var(--radius-sm);
  font-weight: 700;
  font-size: 0.88rem;
  box-shadow: 0 6px 22px rgba(194, 37, 39, 0.3);
  transition: all var(--transition);
}
.about-text h3 {
  font-size: 1.6rem;
  font-weight: 700;
  color: var(--primary);
  margin-bottom: 16px;
}
.about-text p {
  color: var(--gray-700);
  margin-bottom: 11px;
  line-height: 1.85;
  font-size: 0.96rem;
}
.highlight-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 11px;
  margin-top: 20px;
}
.highlight-item {
  display: flex;
  align-items: flex-start;
  gap: 11px;
  padding: 13px 15px;
  border-radius: var(--radius-sm);
  transition: all var(--transition);
  background: var(--glass-bg);
  backdrop-filter: blur(10px);
  border: 1px solid var(--glass-border);
  box-shadow: 0 4px 16px rgba(10, 43, 94, 0.04);
  cursor: default;
}
.highlight-item:hover {
  box-shadow: 0 12px 32px rgba(10, 43, 94, 0.1);
  transform: translateY(-3px);
  background: var(--glass-bg-hover);
  border-color: rgba(194, 37, 39, 0.15);
}
.highlight-icon {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: rgba(10, 43, 94, 0.07);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.15rem;
  color: var(--primary);
  transition: all var(--transition);
}
.highlight-item:hover .highlight-icon {
  background: rgba(194, 37, 39, 0.1);
  color: var(--accent);
  transform: rotate(360deg);
}
/* ----- 数据统计条 (全息数据柱) ----- */
.stats-strip {
  background: linear-gradient(140deg, #0A2B5E 0%, #0f3d78 30%, #0d3570 60%, #0A2B5E 100%);
  padding: 55px 36px;
  position: relative;
  overflow: hidden;
  z-index: 1;
}
.stats-strip::before {
  content: '';
  position: absolute;
  inset: 0;
  opacity: 0.03;
  background-image: linear-gradient(rgba(255, 255, 255, 0.6) 1px, transparent 1px), linear-gradient(90deg, rgba(255, 255, 255, 0.6) 1px, transparent 1px);
  background-size: 44px 44px;
  pointer-events: none;
}
.stats-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 22px;
  max-width: var(--max-width);
  margin: 0 auto;
}
.stat-card {
  text-align: center;
  color: #fff;
  padding: 26px 20px;
  border-radius: var(--radius-lg);
  background: rgba(255, 255, 255, 0.06);
  backdrop-filter: blur(8px);
  border: 1px solid rgba(255, 255, 255, 0.12);
  transition: all var(--transition);
}
.stat-card:hover {
  background: rgba(255, 255, 255, 0.13);
  transform: translateY(-4px);
  border-color: rgba(255, 255, 255, 0.25);
}
.stat-icon {
  font-size: 2.2rem;
  margin-bottom: 10px;
  color: var(--gold-light);
}
.stat-number {
  font-size: 3rem;
  font-weight: 800;
  letter-spacing: -1.5px;
  color: #fff;
  line-height: 1;
}
.stat-label {
  font-size: 0.82rem;
  opacity: 0.8;
  letter-spacing: 1.5px;
  text-transform: uppercase;
  margin-top: 6px;
}
/* ----- 核心实力（不对称卡片/六边形）----- */
.strength-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 24px;
}
.strength-card {
  display: flex;
  gap: 20px;
  align-items: flex-start;
  padding: 30px 26px;
  background: var(--glass-bg);
  backdrop-filter: blur(var(--glass-blur));
  border: 1px solid var(--glass-border);
  box-shadow: var(--glass-shadow);
  border-radius: var(--radius-lg);
  transition: all var(--transition);
}
.strength-card:hover {
  background: var(--glass-bg-hover);
  box-shadow: var(--glass-shadow-hover);
  transform: translateY(-5px);
  border-color: rgba(194, 37, 39, 0.2);
}
.strength-icon-wrap {
  width: 60px;
  height: 60px;
  border-radius: var(--radius);
  background: rgba(10, 43, 94, 0.06);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.7rem;
  color: var(--primary);
  transition: all var(--transition);
}
.strength-card:hover .strength-icon-wrap {
  background: rgba(194, 37, 39, 0.1);
  color: var(--accent);
  transform: scale(1.08) rotate(-5deg);
}
.strength-info h4 {
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--primary);
  margin-bottom: 6px;
}
.strength-info .strength-highlight {
  display: inline-block;
  font-size: 1.6rem;
  font-weight: 800;
  color: var(--accent);
  margin-bottom: 4px;
}
.strength-info p {
  font-size: 0.88rem;
  color: var(--gray-600);
  line-height: 1.65;
}
.strength-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin-top: 10px;
}
.strength-tag {
  font-size: 0.72rem;
  padding: 4px 11px;
  border-radius: 20px;
  background: rgba(10, 43, 94, 0.06);
  color: var(--primary);
  font-weight: 600;
  transition: all 0.2s;
}
.strength-tag:hover {
  background: var(--accent);
  color: #fff;
}
/* 六边形样式 (管理模式页面核心实力用) */
.strength-hex-grid {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 20px;
  max-width: 1000px;
  margin: 0 auto;
}
.strength-hex {
  width: 260px;
  padding: 30px 20px;
  background: var(--glass-bg);
  backdrop-filter: blur(var(--glass-blur));
  border: 1px solid var(--glass-border);
  clip-path: polygon(50% 0%, 100% 25%, 100% 75%, 50% 100%, 0% 75%, 0% 25%);
  transition: all var(--transition);
  text-align: center;
}
.strength-hex:hover {
  transform: translateY(-8px);
  background: rgba(255, 255, 255, 0.75);
  box-shadow: var(--glass-shadow-hover);
  border-color: rgba(194, 37, 39, 0.3);
}
.strength-hex-icon {
  font-size: 2rem;
  color: var(--primary);
  margin-bottom: 10px;
  transition: all var(--transition);
}
.strength-hex:hover .strength-hex-icon {
  color: var(--accent);
  transform: scale(1.15);
}
.strength-hex h4 {
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--primary);
  margin-bottom: 6px;
}
.strength-hex .strength-highlight {
  font-size: 1.6rem;
  font-weight: 800;
  color: var(--accent);
  display: block;
  margin-bottom: 4px;
}
.strength-hex p {
  font-size: 0.85rem;
  color: var(--gray-600);
  line-height: 1.55;
}
/* ----- 管理模式卡片（磁场悬浮）----- */
.manage-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}
.manage-card, .magnetic-card {
  text-align: center;
  padding: 34px 26px;
  background: var(--glass-bg);
  backdrop-filter: blur(var(--glass-blur));
  border: 1px solid var(--glass-border);
  box-shadow: var(--glass-shadow);
  border-radius: var(--radius-lg);
  transition: all var(--transition);
  position: relative;
  overflow: hidden;
}
.manage-card:hover, .magnetic-card:hover {
  background: var(--glass-bg-hover);
  box-shadow: var(--glass-shadow-hover);
  transform: translateY(-6px);
  border-color: rgba(194, 37, 39, 0.2);
}
.manage-card::before, .magnetic-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 4px;
  background: var(--accent);
  transform: scaleX(0);
  transition: transform var(--transition);
}
.manage-card:hover::before, .magnetic-card:hover::before {
  transform: scaleX(1);
}
.manage-icon-circle, .magnetic-card .manage-icon-circle {
  width: 68px;
  height: 68px;
  border-radius: 50%;
  background: rgba(10, 43, 94, 0.06);
  margin: 0 auto 18px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 2.2rem;
  color: var(--primary);
  transition: all var(--transition);
}
.manage-card:hover .manage-icon-circle, .magnetic-card:hover .manage-icon-circle {
  background: rgba(194, 37, 39, 0.1);
  color: var(--accent);
  transform: scale(1.1);
}
.manage-card h4, .magnetic-card h4 {
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--primary);
  margin-bottom: 10px;
}
.manage-card p, .magnetic-card p {
  font-size: 0.87rem;
  color: var(--gray-600);
  line-height: 1.65;
  margin-bottom: 8px;
}
.manage-features {
  list-style: none;
  padding: 0;
  text-align: left;
  display: inline-block;
}
.manage-features li {
  font-size: 0.82rem;
  color: var(--gray-700);
  padding: 5px 0 5px 20px;
  position: relative;
}
.manage-features li::before {
  content: '\F26B';
  font-family: 'bootstrap-icons';
  position: absolute;
  left: 0;
  top: 5px;
  color: var(--accent);
  font-size: 0.7rem;
}
/* ----- 企业文化（翻转卡片）----- */
.culture-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
}
.culture-card {
  text-align: center;
  padding: 36px 24px;
  background: var(--glass-bg);
  backdrop-filter: blur(var(--glass-blur));
  border: 1px solid var(--glass-border);
  border-radius: var(--radius);
  transition: all var(--transition);
}
.culture-card:hover {
  background: var(--glass-bg-hover);
  box-shadow: var(--glass-shadow-hover);
  transform: translateY(-5px);
  border-color: rgba(194, 37, 39, 0.2);
}
.culture-icon {
  width: 60px;
  height: 60px;
  border-radius: 50%;
  background: rgba(10, 43, 94, 0.06);
  margin: 0 auto 16px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 2rem;
  color: var(--primary);
  transition: all var(--transition);
}
.culture-card:hover .culture-icon {
  background: rgba(194, 37, 39, 0.1);
  color: var(--accent);
  transform: scale(1.1) rotate(5deg);
}
.culture-card h4 {
  font-size: 1.08rem;
  font-weight: 700;
  color: var(--primary);
  margin-bottom: 7px;
}
.culture-card p {
  font-size: 0.86rem;
  color: var(--gray-600);
  line-height: 1.65;
}
/* 全息翻转卡片独立样式（about页面） */
.culture-card-3d {
  position: relative;
  aspect-ratio: 1 / 1.1;
  transform-style: preserve-3d;
}
.culture-card-3d .culture-front, .culture-card-3d .culture-back {
  position: absolute;
  inset: 0;
  backface-visibility: hidden;
  border-radius: var(--radius-lg);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  background: var(--glass-bg);
  backdrop-filter: blur(var(--glass-blur));
  border: 1px solid var(--glass-border);
}
.culture-card-3d .culture-back {
  transform: rotateY(180deg);
  background: var(--primary);
  color: #fff;
  border: none;
}
.culture-card-3d:hover .culture-card-inner {
  transform: rotateY(180deg);
}
/* ----- 荣誉资质（全息投影卡片+灯箱）----- */
.cert-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}
.cert-card {
  text-align: center;
  padding: 22px 16px 18px;
  background: var(--glass-bg);
  backdrop-filter: blur(var(--glass-blur));
  border: 2px solid var(--glass-border);
  border-radius: var(--radius-lg);
  transition: all var(--transition);
  cursor: pointer;
  position: relative;
  overflow: hidden;
}
.cert-card::before {
  content: '';
  position: absolute;
  top: -50%;
  left: -50%;
  width: 200%;
  height: 200%;
  background: conic-gradient(from 0deg, transparent, rgba(194, 37, 39, 0.05), transparent);
  animation: rotateGlow 4s linear infinite;
  opacity: 0;
  transition: opacity var(--transition);
}
.cert-card:hover::before {
  opacity: 1;
}
@keyframes rotateGlow {
  0% {
    transform: rotate(0deg);
  }
  100% {
    transform: rotate(360deg);
  }
}
.cert-card:hover {
  border-color: var(--accent);
  box-shadow: var(--glass-shadow-hover), 0 0 24px rgba(194, 37, 39, 0.2);
  transform: translateY(-5px);
  background: var(--glass-bg-hover);
}
.cert-img-wrap {
  width: 100%;
  aspect-ratio: 3/4;
  max-width: 180px;
  margin: 0 auto 14px;
  border-radius: 10px;
  overflow: hidden;
  background: #fff;
  box-shadow: 0 6px 20px rgba(0, 0, 0, 0.07);
  border: 3px solid #f0f0f0;
}
.cert-img {
  width: 100%;
  height: 100%;
  object-fit: contain;
  display: block;
  padding: 8px;
  transition: transform 0.4s;
}
.cert-card:hover .cert-img {
  transform: scale(1.06);
}
.cert-info h5 {
  font-size: 0.95rem;
  font-weight: 700;
  color: var(--primary);
  margin-bottom: 3px;
}
.cert-info p {
  font-size: 0.78rem;
  color: var(--gray-600);
}
.cert-tip {
  display: inline-block;
  margin-top: 6px;
  font-size: 0.68rem;
  color: var(--accent);
  font-weight: 600;
  opacity: 0.7;
  transition: opacity 0.3s;
}
.cert-card:hover .cert-tip {
  opacity: 1;
}
.lightbox {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.88);
  z-index: 9999;
  align-items: center;
  justify-content: center;
  flex-direction: column;
}
.lightbox.show {
  display: flex;
}
.lightbox img {
  max-width: 92vw;
  max-height: 82vh;
  object-fit: contain;
  border-radius: 14px;
  background: #fff;
  padding: 12px;
}
.lightbox-close {
  position: absolute;
  top: 22px;
  right: 30px;
  font-size: 2.4rem;
  color: #fff;
  cursor: pointer;
  background: rgba(255, 255, 255, 0.12);
  width: 48px;
  height: 48px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  backdrop-filter: blur(8px);
}
.lightbox-caption {
  color: rgba(255, 255, 255, 0.8);
  margin-top: 14px;
  font-size: 0.9rem;
}
/* ----- 发展历程（螺旋时间线）----- */
.timeline-wrap {
  position: relative;
  max-width: 900px;
  margin: 0 auto;
  padding: 20px 0;
}
.timeline-line {
  position: absolute;
  left: 50%;
  transform: translateX(-50%);
  top: 0;
  bottom: 0;
  width: 3px;
  background: var(--gray-300);
  border-radius: 3px;
}
.tl-item {
  display: flex;
  align-items: flex-start;
  margin-bottom: 30px;
  position: relative;
}
.tl-item:nth-child(odd) {
  flex-direction: row;
  padding-right: calc(50% + 32px);
  text-align: right;
}
.tl-item:nth-child(even) {
  flex-direction: row-reverse;
  padding-left: calc(50% + 32px);
  text-align: left;
}
.tl-dot {
  position: absolute;
  left: 50%;
  transform: translateX(-50%);
  width: 15px;
  height: 15px;
  background: var(--accent);
  border-radius: 50%;
  z-index: 2;
  border: 3px solid #fff;
  box-shadow: 0 0 0 5px rgba(194, 37, 39, 0.3);
  top: 7px;
  transition: all var(--transition);
}
.tl-item:hover .tl-dot {
  box-shadow: 0 0 0 8px rgba(194, 37, 39, 0.4);
  transform: translateX(-50%) scale(1.2);
}
.tl-card {
  padding: 20px 24px;
  flex: 1;
  transition: all var(--transition);
  border-left: 3px solid var(--accent);
  background: var(--glass-bg);
  backdrop-filter: blur(var(--glass-blur));
  border: 1px solid var(--glass-border);
  border-radius: var(--radius);
}
.tl-item:nth-child(odd) .tl-card {
  border-left: none;
  border-right: 3px solid var(--accent);
}
.tl-card:hover {
  box-shadow: var(--glass-shadow-hover);
  transform: translateY(-3px);
  background: var(--glass-bg-hover);
}
.tl-year {
  display: inline-block;
  background: var(--accent);
  color: #fff;
  padding: 5px 16px;
  border-radius: 50px;
  font-weight: 700;
  font-size: 0.82rem;
  margin-bottom: 7px;
}
.tl-card h4 {
  font-size: 1.02rem;
  font-weight: 700;
  color: var(--primary);
  margin-bottom: 4px;
}
.tl-card p {
  font-size: 0.84rem;
  color: var(--gray-600);
}
/* ----- 产品服务卡片（透视悬浮/网格）----- */
.service-perspective-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 28px;
  perspective: 1000px;
}
.service-card-persp {
  background: var(--glass-bg);
  backdrop-filter: blur(var(--glass-blur));
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-xl);
  padding: 30px 28px;
  transition: all var(--transition);
  transform-style: preserve-3d;
}
.service-card-persp:hover {
  transform: translateY(-6px) scale(1.02);
  background: var(--glass-bg-hover);
  border-color: rgba(194, 37, 39, 0.2);
}
.service-card-header {
  display: flex;
  align-items: center;
  gap: 14px;
  margin-bottom: 18px;
}
.service-icon-wrap {
  width: 60px;
  height: 60px;
  border-radius: 18px;
  background: rgba(10, 43, 94, 0.07);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.8rem;
  color: var(--primary);
  transition: all var(--transition);
}
.service-card-persp:hover .service-icon-wrap {
  background: rgba(194, 37, 39, 0.12);
  color: var(--accent);
  transform: rotate(-5deg) scale(1.1);
}
.service-card-title {
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--primary);
}
.service-card-desc {
  font-size: 0.9rem;
  color: var(--gray-600);
  margin-bottom: 16px;
}
.service-features {
  list-style: none;
  margin-bottom: 14px;
}
.service-features li {
  font-size: 0.84rem;
  color: var(--gray-700);
  padding: 6px 0 6px 24px;
  position: relative;
}
.service-features li::before {
  content: '◆';
  position: absolute;
  left: 0;
  color: var(--accent);
  font-size: 0.5rem;
}
.service-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin-top: auto;
}
.service-tag {
  font-size: 0.7rem;
  padding: 5px 12px;
  border-radius: 20px;
  background: rgba(10, 43, 94, 0.06);
  color: var(--primary);
  font-weight: 600;
  transition: all 0.2s;
}
.service-tag:hover {
  background: var(--accent);
  color: #fff;
}
/* 首页快捷服务网格 */
.service-grid {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 22px;
}
.service-card {
  border-radius: var(--radius-lg);
  overflow: hidden;
  background: var(--glass-bg);
  backdrop-filter: blur(var(--glass-blur));
  border: 1px solid var(--glass-border);
  transition: all var(--transition);
}
.service-card:hover {
  transform: translateY(-7px);
  background: var(--glass-bg-hover);
  border-color: rgba(194, 37, 39, 0.2);
}
.service-card-header {
  background: rgba(10, 43, 94, 0.9);
  padding: 22px 16px;
  color: #fff;
  display: flex;
  align-items: center;
  gap: 11px;
}
.service-card-header .bi {
  font-size: 1.5rem;
}
.service-card-body {
  padding: 18px 16px;
  flex: 1;
}
.service-card-body p {
  font-size: 0.83rem;
  color: var(--gray-700);
  margin-bottom: 10px;
}
.badge-tag {
  display: inline-block;
  padding: 4px 10px;
  border-radius: 20px;
  background: rgba(10, 43, 94, 0.06);
  color: var(--primary);
  font-size: 0.7rem;
  font-weight: 600;
  margin: 3px 4px 0 0;
}
.badge-tag:hover {
  background: var(--accent);
  color: #fff;
}
/* ----- 解决方案 (错行布局) ----- */
.solution-row {
  display: flex;
  gap: 40px;
  align-items: center;
  margin-bottom: 44px;
}
.solution-row.reverse {
  flex-direction: row-reverse;
}
.solution-visual {
  flex: 1;
  border-radius: var(--radius-xl);
  padding: 44px;
  text-align: center;
  background: var(--glass-bg);
  backdrop-filter: blur(var(--glass-blur));
  border: 1px solid var(--glass-border);
  transition: all var(--transition);
}
.solution-visual:hover {
  box-shadow: var(--glass-shadow-hover);
  background: var(--glass-bg-hover);
  transform: scale(1.02);
}
.solution-visual .bi {
  font-size: 5rem;
  color: var(--primary);
  opacity: 0.45;
  transition: all var(--transition);
}
.solution-text {
  flex: 1;
}
.solution-text h3 {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--primary);
  margin-bottom: 12px;
}
.solution-text p {
  color: var(--gray-700);
  line-height: 1.75;
  margin-bottom: 10px;
  font-size: 0.92rem;
}
.solution-list {
  list-style: none;
}
.solution-list li {
  padding: 8px 0 8px 28px;
  position: relative;
  color: var(--gray-700);
  font-size: 0.89rem;
}
.solution-list li::before {
  content: '\F26B';
  font-family: 'bootstrap-icons';
  position: absolute;
  left: 0;
  top: 8px;
  color: var(--accent);
  font-weight: 700;
}
/* ----- 新闻动态（卡片列表）----- */
.news-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
}
.news-card {
  border-radius: var(--radius);
  overflow: hidden;
  transition: all var(--transition);
  background: var(--glass-bg);
  backdrop-filter: blur(var(--glass-blur));
  border: 1px solid var(--glass-border);
  text-decoration: none;
  color: inherit;
  display: block;
}
.news-card:hover {
  box-shadow: var(--glass-shadow-hover);
  transform: translateY(-5px);
  background: var(--glass-bg-hover);
}
.news-card-img {
  height: 170px;
  background: linear-gradient(135deg, #eaf1fa 0%, #dce8f6 100%);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 2.8rem;
  color: var(--primary);
  opacity: 0.35;
  transition: all var(--transition);
}
.news-card:hover .news-card-img {
  opacity: 0.5;
}
.news-card-body {
  padding: 20px 18px;
}
.news-date {
  display: inline-block;
  font-size: 0.7rem;
  color: #fff;
  background: var(--accent);
  padding: 3px 10px;
  border-radius: 12px;
  font-weight: 600;
  margin-bottom: 8px;
}
.news-card-body h4 {
  font-size: 1rem;
  font-weight: 700;
  color: var(--primary);
  margin-bottom: 7px;
  line-height: 1.4;
}
.news-card-body p {
  font-size: 0.83rem;
  color: var(--gray-600);
  line-height: 1.55;
}
.news-read-more {
  margin-top: 12px;
  font-size: 0.78rem;
  font-weight: 600;
  color: var(--accent);
  display: flex;
  align-items: center;
  gap: 4px;
  transition: gap 0.3s;
}
.news-card:hover .news-read-more {
  gap: 10px;
}
/* 新闻详情专用 */
.breadcrumb {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 0.82rem;
  color: var(--gray-600);
  margin-bottom: 24px;
  background: rgba(255, 255, 255, 0.45);
  backdrop-filter: blur(10px);
  border-radius: 50px;
  padding: 6px 16px;
  width: fit-content;
}
.article-wrapper {
  border-radius: var(--radius-xl);
  overflow: hidden;
  background: rgba(255, 255, 255, 0.5);
  backdrop-filter: blur(16px);
  border: 1px solid rgba(255, 255, 255, 0.6);
  padding: 36px 32px 0;
}
.article-header {
  padding-bottom: 20px;
}
.article-category {
  display: inline-block;
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 3px;
  color: var(--accent);
  background: rgba(194, 37, 39, 0.08);
  padding: 5px 14px;
  border-radius: 20px;
  margin-bottom: 12px;
}
.article-title {
  font-size: clamp(1.6rem, 3vw, 2.2rem);
  font-weight: 800;
  color: var(--primary);
  margin-bottom: 16px;
}
.article-meta {
  font-size: 0.85rem;
  color: var(--gray-600);
  display: flex;
  gap: 14px;
  padding-bottom: 20px;
}
.article-content {
  padding: 28px 0 36px;
  line-height: 1.9;
  font-size: 0.96rem;
  color: var(--gray-700);
}
.article-content h2 {
  font-size: 1.3rem;
  font-weight: 700;
  color: var(--primary);
  margin: 28px 0 12px;
  border-left: 4px solid var(--accent);
  padding-left: 16px;
}
.back-link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  margin-top: 28px;
  padding: 12px 24px;
  background: rgba(255, 255, 255, 0.5);
  backdrop-filter: blur(12px);
  border-radius: 50px;
  color: var(--accent);
  font-weight: 600;
  text-decoration: none;
  transition: all var(--transition);
}
.back-link:hover {
  background: var(--accent);
  color: #fff;
}
/* ----- 联系我们卡片 ----- */
.contact-card-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 22px;
}
.contact-card {
  text-align: center;
  padding: 30px 22px;
  background: var(--glass-bg);
  backdrop-filter: blur(var(--glass-blur));
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-lg);
  transition: all var(--transition);
}
.contact-card:hover {
  box-shadow: var(--glass-shadow-hover);
  transform: translateY(-5px);
  background: var(--glass-bg-hover);
}
.contact-card-icon {
  width: 60px;
  height: 60px;
  border-radius: 50%;
  background: rgba(10, 43, 94, 0.06);
  margin: 0 auto 16px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.7rem;
  color: var(--primary);
  transition: all var(--transition);
}
.contact-card:hover .contact-card-icon {
  background: rgba(194, 37, 39, 0.1);
  color: var(--accent);
  transform: scale(1.08);
}
.contact-card h5 {
  font-size: 1rem;
  font-weight: 700;
  color: var(--primary);
  margin-bottom: 8px;
}
.contact-card p {
  font-size: 0.84rem;
  color: var(--gray-600);
  line-height: 1.6;
}
.contact-highlight, .contact-phone {
  font-size: 1.2rem;
  font-weight: 700;
  color: var(--accent);
  letter-spacing: 0.5px;
  margin-top: 4px;
  display: block;
}
/* 信息展示区科技连线 */
.info-showcase {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 24px;
  position: relative;
}
.safety-bar {
  height: 6px;
  border-radius: 3px;
  background: var(--gray-200);
  margin-top: 10px;
  overflow: hidden;
}
.safety-bar-fill {
  height: 100%;
  background: linear-gradient(90deg, var(--accent), var(--accent-light));
  border-radius: 3px;
  width: 0;
  transition: width 1.5s ease;
}
.safety-bar-fill.animate {
  width: 100%;
}
.map-area {
  border-radius: var(--radius-xl);
  overflow: hidden;
  background: #fff;
  margin-top: 44px;
  height: 380px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(140deg, #eaf1fa 0%, #dce8f6 45%, #c8daf0 100%);
}
/* 服务流程步骤 */
.process-grid {
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
  gap: 0;
  margin-top: 40px;
}
.process-step {
  text-align: center;
  flex: 1;
  min-width: 180px;
  max-width: 250px;
  padding: 0 10px;
  position: relative;
}
.process-step:not(:last-child)::after {
  content: '';
  position: absolute;
  top: 28px;
  right: -20px;
  width: 40px;
  height: 2px;
  background: linear-gradient(to right, var(--accent), var(--primary));
  opacity: 0.3;
}
.process-num {
  width: 56px;
  height: 56px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--primary), var(--primary-light));
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 800;
  font-size: 1.3rem;
  margin: 0 auto 14px;
  box-shadow: 0 6px 20px rgba(10, 43, 94, 0.3);
  transition: all var(--transition);
}
.process-step:hover .process-num {
  background: var(--accent);
  transform: scale(1.1);
}
.process-step h4 {
  font-size: 1rem;
  font-weight: 700;
  color: var(--primary);
  margin-bottom: 6px;
}
.process-step p {
  font-size: 0.82rem;
  color: var(--gray-600);
}
/* 合作伙伴Swiper */
.partner-swiper-wrap {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 10px 0 30px;
}
.partner-slide {
  height: 95px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 12px;
  font-weight: 700;
  color: var(--gray-600);
  gap: 9px;
  padding: 0 20px;
  background: var(--glass-bg);
  backdrop-filter: blur(var(--glass-blur));
  border: 1px solid var(--glass-border);
  border-radius: var(--radius);
  transition: all var(--transition);
}
.partner-slide:hover {
  transform: translateY(-4px);
  background: var(--glass-bg-hover);
  color: var(--primary);
  border-color: rgba(194, 37, 39, 0.2);
}
/* ----- HERO SWIPER ----- */
.hero-wrapper {
  position: relative;
  width: 100%;
  height: 100vh;
  min-height: 660px;
  overflow: hidden;
  margin-top: var(--header-height);
}
.swiper-hero {
  width: 100%;
  height: 100%;
}
.swiper-hero .swiper-slide {
  display: flex;
  align-items: center;
  justify-content: center;
  background-color: #eaf1fa;
}
.slide-bg-img {
  position: absolute;
  inset: 0;
  background-size: cover;
  background-position: center;
  background-image: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 1920 1080"><defs><linearGradient id="g" x1="0%25" y1="0%25" x2="100%25" y2="100%25"><stop offset="0%25" style="stop-color:%23e8f0fa;stop-opacity:1"/><stop offset="40%25" style="stop-color:%23d4e2f7;stop-opacity:0.9"/><stop offset="100%25" style="stop-color:%23b8cfe8;stop-opacity:0.5"/></linearGradient></defs><rect fill="url(%23g)" width="1920" height="1080"/></svg>');
}
.slide-overlay {
  position: absolute;
  inset: 0;
  background: rgba(255, 255, 255, 0.3);
  pointer-events: none;
}
.slide-grid-pattern {
  position: absolute;
  inset: 0;
  opacity: 0.04;
  background-image: linear-gradient(var(--primary) 1px, transparent 1px), linear-gradient(90deg, var(--primary) 1px, transparent 1px);
  background-size: 56px 56px;
}
.slide-content {
  position: relative;
  z-index: 3;
  text-align: center;
  max-width: 950px;
  padding: 50px 30px;
}
.hero-badge {
  display: inline-block;
  background: rgba(194, 37, 39, 0.9);
  backdrop-filter: blur(8px);
  color: #fff;
  padding: 9px 26px;
  border-radius: 50px;
  font-weight: 700;
  font-size: 0.82rem;
  letter-spacing: 2.5px;
  margin-bottom: 22px;
  box-shadow: 0 6px 24px rgba(194, 37, 39, 0.3);
}
.hero-title {
  font-size: clamp(2.2rem, 5.5vw, 4rem);
  font-weight: 800;
  line-height: 1.15;
  color: var(--primary);
  margin-bottom: 18px;
}
.hero-title .highlight {
  color: var(--accent);
  display: inline-block;
  position: relative;
}
.hero-desc {
  font-size: 1.1rem;
  color: var(--gray-600);
  margin-bottom: 32px;
  max-width: 700px;
  margin-left: auto;
  margin-right: auto;
}
.btn-group {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
  justify-content: center;
}
.btn {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  padding: 15px 34px;
  border-radius: 50px;
  font-weight: 700;
  font-size: 0.95rem;
  text-decoration: none;
  transition: all 0.35s;
  border: 2px solid transparent;
  cursor: pointer;
}
.btn-primary {
  background: var(--accent);
  color: #fff;
  border-color: var(--accent);
  box-shadow: 0 8px 30px rgba(194, 37, 39, 0.32);
}
.btn-primary:hover {
  background: var(--accent-light);
  transform: translateY(-3px);
}
.btn-outline {
  background: rgba(255, 255, 255, 0.5);
  backdrop-filter: blur(8px);
  color: var(--primary);
  border-color: rgba(10, 43, 94, 0.3);
}
.btn-outline:hover {
  background: var(--primary);
  color: #fff;
  border-color: var(--primary);
  transform: translateY(-3px);
}
/* ----- FOOTER (公共) ----- */
.footer {
  background: var(--primary);
  color: rgba(255, 255, 255, 0.85);
  padding: 55px 36px 24px;
  position: relative;
  z-index: 1;
}
.footer-inner {
  max-width: var(--max-width);
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1.3fr 1fr 1fr 1.2fr;
  gap: 32px;
}
.footer-col h4 {
  color: #fff;
  font-weight: 700;
  font-size: 1rem;
  margin-bottom: 16px;
  position: relative;
  padding-bottom: 10px;
}
.footer-col h4::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 30px;
  height: 2px;
  background: var(--accent);
  transition: width var(--transition);
}
.footer-col:hover h4::after {
  width: 50px;
}
.footer-col p, .footer-col a {
  font-size: 0.84rem;
  color: rgba(255, 255, 255, 0.7);
  text-decoration: none;
  line-height: 2;
  display: block;
  transition: color 0.2s, padding-left 0.2s;
}
.footer-col a:hover {
  color: #fff;
  padding-left: 6px;
}
.footer-bottom {
  max-width: var(--max-width);
  margin: 30px auto 0;
  padding-top: 20px;
  border-top: 1px solid rgba(255, 255, 255, 0.12);
  text-align: center;
  font-size: 0.8rem;
  color: rgba(255, 255, 255, 0.45);
}
/* ----- 响应式（保留 768px 及 1100px，已移除 480px）----- */
@media (max-width: 1400px) {
  .service-grid {
    grid-template-columns: repeat(3, 1fr);
  }
  .cert-grid {
    grid-template-columns: repeat(3, 1fr);
  }
  .contact-card-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .news-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}
@media (max-width: 1100px) {
  .about-grid {
    grid-template-columns: 1fr;
    gap: 30px;
  }
  .strength-grid {
    grid-template-columns: 1fr 1fr;
  }
  .manage-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .culture-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .cert-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .service-perspective-grid {
    grid-template-columns: 1fr;
  }
  .service-perspective-grid .service-card-persp:nth-child(odd), .service-perspective-grid .service-card-persp:nth-child(even) {
    transform: rotateY(0deg);
  }
  .timeline-line {
    left: 24px;
  }
  .tl-item:nth-child(odd), .tl-item:nth-child(even) {
    flex-direction: row;
    padding-left: 52px;
    padding-right: 0;
    text-align: left;
  }
  .tl-item:nth-child(odd) .tl-card {
    border-left: 3px solid var(--accent);
    border-right: none;
  }
  .tl-dot {
    left: 24px;
  }
  .solution-row {
    flex-direction: column !important;
    gap: 22px;
  }
  .info-showcase::before, .info-showcase::after {
    display: none;
  }
  .strength-grid::before, .strength-grid::after {
    display: none;
  }
}
.back-to-top {
  position: fixed;
  bottom: 50px;
  right: 28px;
  width: 48px;
  height: 48px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.88);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border: 1px solid rgba(10, 43, 94, 0.15);
  box-shadow: 0 6px 24px rgba(10, 43, 94, 0.12);
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  z-index: 999;
  transition: all 0.25s ease;
  opacity: 0;
  visibility: hidden;
  transform: scale(0.9);
  text-decoration: none;
  color: var(--primary);
  font-size: 1.8rem;
}
.back-to-top.show {
  opacity: 1;
  visibility: visible;
  transform: scale(1);
}
.back-to-top:hover {
  background: var(--accent);
  color: #fff;
  border-color: var(--accent);
  transform: translateY(-4px) scale(1.05);
  box-shadow: 0 12px 28px rgba(194, 37, 39, 0.35);
}
.back-to-top:active {
  transform: scale(0.96);
}
.back-to-top i {
  font-size: 1.9rem;
  font-weight: bold;
  transition: transform 0.2s;
}
.back-to-top:hover i {
  transform: translateY(-2px);
}
@media (max-width: 768px) {
  .nav-desktop {
    display: none;
  }
  .nav-toggle {
    display: flex;
  }
  .section {
    padding: 56px 16px;
  }
  .page-banner {
    padding: 80px 20px 45px;
  }
  .hero-wrapper {
    height: 85vh;
    min-height: 520px;
  }
  .hero-title {
    font-size: 1.7rem;
  }
  .stats-grid {
    grid-template-columns: 1fr 1fr;
    gap: 12px;
  }
  .strength-grid {
    grid-template-columns: 1fr;
  }
  .manage-grid {
    grid-template-columns: 1fr;
  }
  .culture-grid {
    grid-template-columns: 1fr 1fr;
    gap: 12px;
  }
  .cert-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 14px;
  }
  .service-grid {
    grid-template-columns: 1fr 1fr;
    gap: 14px;
  }
  .contact-card-grid {
    grid-template-columns: 1fr 1fr;
  }
  .news-grid {
    grid-template-columns: 1fr;
    gap: 18px;
  }
  .footer-inner {
    grid-template-columns: 1fr 1fr;
    gap: 22px;
  }
  .highlight-grid {
    grid-template-columns: 1fr;
  }
  .section-tag {
    padding: 0;
  }
  .section-tag::before, .section-tag::after {
    display: none;
  }
  .info-showcase {
    grid-template-columns: 1fr;
    gap: 14px;
  }
  .info-card {
    flex-direction: column;
    gap: 12px;
    padding: 22px 18px;
  }
  .map-area {
    height: 260px;
    margin-top: 28px;
  }
  .process-grid {
    flex-wrap: wrap;
    gap: 20px;
    flex-direction: column;
    align-items: center;
  }
  .process-step:not(:last-child)::after {
    display: none;
  }
  .advantage-grid {
    grid-template-columns: 1fr;
  }
  .partner-swiper-wrap .partner-slide {
    margin: 0 6px;
  }
  .back-to-top {
    bottom: 18px;
    right: 18px;
    width: 46px;
    height: 46px;
    font-size: 1.5rem;
  }
  .back-to-top i {
    font-size: 1.6rem;
  }
}