* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}
html {
  scroll-behavior: smooth;
}
body {
  font-family: "Microsoft YaHei", "PingFang SC", "Helvetica Neue", Arial, sans-serif;
  font-size: 14px;
  color: #333;
  line-height: 1.6;
  background: #fff;
  overflow-x: hidden;
}
a {
  text-decoration: none;
  color: inherit;
}
img {
  max-width: 100%;
  vertical-align: middle;
}
ul,
ol {
  list-style: none;
}
.container {
  width: 1400px;
  margin: 0 auto;
  position: relative;
}
.header {
  background: #fff;
  position: relative;
  z-index: 1000;
  border-bottom: 1px solid #f0f0f0;
}
.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.header .r_cont {
  display: flex;
  align-items: stretch;
}
.logo {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-left: 20px;
}
.logo-icon {
  width: 50px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 20px;
  font-weight: bold;
  border-radius: 4px;
}
.logo-icon img {
  display: block;
  width: 100%;
}
.logo-text {
  display: flex;
  flex-direction: column;
}
.logo-text .cn {
  font-size: 18px;
  font-weight: 600;
  color: #1c232d;
  line-height: 1.2;
}
.logo-text .en {
  font-size: 11px;
  color: #888;
  line-height: 1.2;
  margin-top: 2px;
}
.nav {
  display: flex;
  align-items: center;
  gap: 40px;
  margin: 0 20px;
  height: 94px;
}
.nav a {
  font-size: 15px;
  color: #333;
  position: relative;
  padding: 5px 0;
  height: 100%;
  display: flex;
  align-items: center;
  transition: color 0.3s;
}
.nav a:hover,
.nav a.active {
  color: #2563b1;
}
.nav a.active::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  height: 2px;
  background: #2563b1;
}
.header-right {
  display: flex;
  align-items: center;
  position: relative;
}
.header-right .tel_btn {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 94px;
  height: 94px;
  background: #244ea8;
}
.header-right .tel_btn img {
  width: 35px;
}
.header-right .search-icon {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 94px;
  height: 94px;
  background: #2e3643;
  cursor: pointer;
  transition: background 0.3s;
}
.header-right .search-icon img {
  width: 25px;
}
.header-right .search-box {
  position: absolute;
  top: 94px;
  right: 0;
  width: 350px;
  background: #2e3643;
  padding: 20px;
  display: flex;
  align-items: center;
  gap: 10px;
  transform: translateY(-10px);
  opacity: 0;
  visibility: hidden;
  transition: all 0.3s ease;
  z-index: 1001;
}
.header-right .search-box.active {
  transform: translateY(0);
  opacity: 1;
  visibility: visible;
}
.header-right .search-box input {
  flex: 1;
  padding: 10px 15px;
  border: none;
  background: rgba(255, 255, 255, 0.1);
  color: #fff;
  font-size: 14px;
  outline: none;
}
.header-right .search-box input::placeholder {
  color: rgba(255, 255, 255, 0.4);
}
.header-right .search-box .search-btn {
  padding: 10px 20px;
  background: #2563b1;
  color: #fff;
  border: none;
  font-size: 14px;
  cursor: pointer;
  transition: background 0.3s;
}
.header-right .search-box .search-btn:hover {
  background: #1d4f8f;
}
.phone-modal {
  position: fixed;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 24px;
  background: rgba(15, 23, 42, 0.55);
  opacity: 0;
  visibility: hidden;
  transition: all 0.25s ease;
  z-index: 2000;
}
.phone-modal.active {
  opacity: 1;
  visibility: visible;
}
.phone-modal-panel {
  position: relative;
  width: min(360px, 100%);
  padding: 34px 28px 32px;
  background: #fff;
  border-radius: 8px;
  box-shadow: 0 24px 60px rgba(15, 23, 42, 0.24);
  text-align: center;
  transform: translateY(12px) scale(0.98);
  transition: transform 0.25s ease;
}
.phone-modal.active .phone-modal-panel {
  transform: translateY(0) scale(1);
}
.phone-modal-close {
  position: absolute;
  top: 12px;
  right: 12px;
  width: 30px;
  height: 30px;
  border: 0;
  border-radius: 50%;
  background: #f3f4f6;
  color: #374151;
  font-size: 22px;
  line-height: 30px;
  cursor: pointer;
}
.phone-modal-title {
  color: #6b7280;
  font-size: 15px;
  line-height: 1;
  margin-bottom: 16px;
}
.phone-modal-number,
.phone-modal-sub {
  display: block;
  color: #244ea8;
  font-weight: 700;
  line-height: 1.35;
}
.phone-modal-number {
  font-size: 30px;
}
.phone-modal-sub {
  margin-top: 10px;
  font-size: 19px;
}
.mobile-menu-btn {
  display: none;
  width: 28px;
  height: 22px;
  flex-direction: column;
  justify-content: space-between;
  cursor: pointer;
  z-index: 1002;
}
.mobile-menu-btn span {
  display: block;
  height: 2px;
  background: #333;
  transition: all 0.3s ease;
  width: 100%;
}
.mobile-menu-btn.active span:nth-child(1) {
  transform: translateY(10px) rotate(45deg);
}
.mobile-menu-btn.active span:nth-child(2) {
  opacity: 0;
}
.mobile-menu-btn.active span:nth-child(3) {
  transform: translateY(-10px) rotate(-45deg);
}
.nav-overlay {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(0, 0, 0, 0.5);
  z-index: 998;
  opacity: 0;
  visibility: hidden;
  transition: all 0.3s ease;
}
.nav-overlay.active {
  opacity: 1;
  visibility: visible;
}
.nav-drawer {
  position: fixed;
  top: 0;
  right: 0;
  width: 260px;
  height: 100%;
  background: #fff;
  z-index: 999;
  transform: translateX(100%);
  transition: transform 0.3s ease;
  overflow-y: auto;
  box-shadow: -2px 0 10px rgba(0, 0, 0, 0.1);
}
.nav-drawer.active {
  transform: translateX(0);
}
.nav-drawer-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 18px 20px;
  background: #0f1f3d;
  color: #fff;
  font-size: 16px;
  font-weight: 600;
}
.nav-drawer-close {
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 4px;
}
.nav-drawer-close svg {
  color: #fff;
}
.nav-drawer-menu {
  display: flex;
  flex-direction: column;
}
.nav-drawer-menu a {
  display: block;
  padding: 16px 20px;
  font-size: 15px;
  color: #333;
  border-bottom: 1px solid #f0f0f0;
  transition: color 0.3s, background 0.3s;
}
.nav-drawer-menu a:hover,
.nav-drawer-menu a.active {
  color: #2563b1;
  background: rgba(37, 99, 177, 0.06);
}
.nav-drawer-menu a.active {
  font-weight: 600;
}
.banner {
  position: relative;
  height: 900px;
  display: flex;
  align-items: center;
}
.banner-bg {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  z-index: 1;
}
.banner-bg img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}
.banner-overlay {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  z-index: 2;
  background: linear-gradient(135deg, rgba(30, 90, 180, 0.7) 0%, rgba(30, 90, 180, 0.3) 50%, transparent 100%);
}
.banner-content {
  position: relative;
  z-index: 3;
  color: #fff;
}
.banner-en {
  font-size: 190px;
  font-weight: 800;
  opacity: 0.15;
  line-height: 1;
  margin-bottom: -80px;
  letter-spacing: 10px;
}
.banner-title {
  font-size: 75px;
  font-weight: 600;
  margin-bottom: 40px;
  line-height: 1.3;
}
.banner-subtitle {
  font-size: 32px;
  opacity: 0.9;
  margin-bottom: 40px;
  letter-spacing: 2px;
}
.banner-btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 10px 25px;
  background: #2563b1;
  color: #fff;
  font-size: 14px;
  border-radius: 4px;
  transition: background 0.3s;
  padding: 14px 35px;
  font-size: 15px;
  border-radius: 100px;
  background: #1e60d5;
}
.banner-btn:hover {
  background: #1d4f8f;
}
.banner-swiper {
  width: 100%;
  height: 100%;
}
.banner-swiper .swiper-wrapper,
.banner-swiper .swiper-slide {
  width: 100%;
  height: 100%;
}
.banner-swiper .swiper-slide {
  position: relative;
  display: flex;
  align-items: center;
  overflow: hidden;
}
.banner-controls {
  position: absolute;
  bottom: -50px;
  left: 0;
  z-index: 10;
  background: linear-gradient(to right, #2e3643 70%, #fff 70%);
  width: 48%;
  height: 110px;
  display: flex;
  align-items: center;
  justify-content: flex-end;
  padding: 0 40px;
  gap: 25px;
}
.banner-nav {
  display: flex;
  align-items: center;
  gap: 5px;
}
.banner-prev,
.banner-next {
  position: static;
  width: 36px;
  height: 36px;
  margin: 0;
  color: rgba(255, 255, 255, 0.5);
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: color 0.3s;
}
.banner-prev:after,
.banner-next:after {
  display: none;
}
.banner-prev:hover,
.banner-next:hover {
  color: #fff;
}
.banner-progress {
  width: 180px;
  height: 1px;
  background: #dddddd;
}
.swiper-pagination.banner-pagination {
  position: static;
  display: flex;
  align-items: center;
  gap: 12px;
  width: auto;
  margin-left: 70px;
}
.swiper-pagination.banner-pagination .swiper-pagination-bullet {
  width: 10px;
  height: 10px;
  background: #fff;
  border: 1px solid #2e3643;
  border-radius: 50%;
  opacity: 0.5;
  margin: 0;
  position: relative;
}
.swiper-pagination.banner-pagination .swiper-pagination-bullet::after {
  content: '';
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 6px;
  height: 6px;
  background: #2e3643;
  border-radius: 50%;
}
.swiper-pagination.banner-pagination .swiper-pagination-bullet-active {
  opacity: 1;
}
.sec-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  align-items: flex-end;
  margin-bottom: 40px;
  position: relative;
}
.sec-label {
  display: inline-block;
  width: 4px;
  height: 18px;
  background: #2563b1;
  margin-right: 8px;
  vertical-align: middle;
}
.sec-title {
  font-size: 28px;
  font-weight: 600;
  color: #1a1a1a;
  display: inline;
  vertical-align: middle;
}
.sec-title-en {
  font-size: 13px;
  color: #999;
  text-transform: uppercase;
  letter-spacing: 1px;
  margin-top: 8px;
}
.sec-title-line {
  width: 40px;
  height: 3px;
  background: #2563b1;
  margin: 15px 0 20px;
}
.sec-more {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 10px 25px;
  background: #2563b1;
  color: #fff;
  font-size: 14px;
  border-radius: 4px;
  transition: background 0.3s;
  border-radius: 100px;
}
.sec-more .arr {
  width: 15px;
  margin-right: 10px;
}
.sec-more:hover {
  background: #1d4f8f;
}
.products-section {
  padding: 80px 0;
  background: #f8f9fa;
}
.prod-tabs {
  display: flex;
  gap: 30px;
  margin-bottom: 30px;
  background: #fff;
  padding: 0 20px;
}
.prod-tabs a {
  padding: 24px 0;
  font-size: 15px;
  color: #666;
  position: relative;
}
.prod-tabs a.active {
  color: #2563b1;
  font-weight: 500;
}
.prod-tabs a.active::after {
  content: '';
  position: absolute;
  bottom: -1px;
  left: 0;
  right: 0;
  height: 2px;
  background: #2563b1;
}
.prod-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
}
.prod-card {
  background: #fff;
  overflow: hidden;
  transition: box-shadow 0.3s;
}
.prod-card:hover {
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.08);
}
.prod-card:hover .prod-name-bar {
  background: #214ba6;
}
.prod-card:hover .more_i {
  opacity: 1;
}
.prod-card:hover .more_i img {
  transform: translateY(0);
}
.prod-img {
  height: 220px;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 20px;
  background: #fff;
  position: relative;
}
.prod-img .more_i {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(0, 0, 0, 0.6);
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  transition: all 0.6s;
}
.prod-img .more_i img {
  width: 70px;
  transition: all 0.6s;
  transform: translateY(-10px);
}
.prod-img img {
  max-height: 100%;
  max-width: 100%;
  object-fit: contain;
}
.prod-name-bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 14px 18px;
  background: #2b3442;
  color: #fff;
  font-size: 14px;
  transition: background 0.3s;
}
.prod-name-bar svg {
  width: 14px;
  height: 14px;
  opacity: 0.7;
}
.features-bar {
  background: #244ea8;
  padding: 50px 0;
  color: #fff;
}
.features-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 40px;
}
.feature-item {
  text-align: center;
}
.feature-icon {
  width: 60px;
  height: 60px;
  margin: 0 auto 15px;
  display: flex;
  align-items: center;
  justify-content: center;
}
.feature-icon svg {
  width: 48px;
  height: 48px;
  stroke: #fff;
  fill: none;
  stroke-width: 1.5;
}
.feature-title {
  font-size: 18px;
  font-weight: 500;
  margin-bottom: 6px;
}
.feature-desc {
  font-size: 12px;
  color: rgba(255, 255, 255, 0.5);
}
.about-section {
  padding: 80px 0;
  background: #fff;
}
.about-grid {
  display: flex;
  align-items: center;
}
.about-title {
  font-size: 28px;
  font-weight: 600;
  color: #1a1a1a;
}
.about-title-group {
  margin-bottom: 25px;
}
.about-title-en {
  font-size: 25px;
  font-weight: bold;
  color: #bdbaba;
  text-transform: uppercase;
  letter-spacing: 1px;
}
.about-line {
  width: 40px;
  height: 3px;
  background: #2563b1;
  margin: 15px 0 20px;
}
.about-text {
  font-size: 17px;
  color: #6d727b;
  line-height: 1.8;
  margin-bottom: 30px;
}
.about-stats {
  display: flex;
  justify-content: space-between;
  gap: 40px;
}
.about-stat-num {
  font-size: 36px;
  font-weight: 700;
  color: #0c439d;
  line-height: 1;
}
.about-stat-label {
  font-size: 13px;
  color: #999;
  margin-top: 6px;
}
.about-left {
  width: calc(100% - 621px);
  padding-right: 120px;
}
.about-right {
  position: relative;
  width: 621px;
}
.about-img-main {
  width: 100%;
  object-fit: cover;
  border-radius: 4px;
}
.fields-section {
  position: relative;
  color: #fff;
  overflow: hidden;
}
.fields-section .fields-bg img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}
.fields-section .fields-overlay {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  z-index: 2;
}
.fields-section .fields-content {
  height: 100%;
  position: absolute;
  left: 50%;
  bottom: 0;
  transform: translateX(-50%);
  z-index: 3;
  display: grid;
}
.fields-title {
  font-size: 34px;
  font-weight: 600;
  color: #ffffff;
}
.fields-title-group {
  position: absolute;
  top: 60px;
  left: 0;
}
.fields-title-en {
  font-size: 25px;
  color: #bdbaba;
  font-weight: bold;
  text-transform: uppercase;
  margin-top: 6px;
  letter-spacing: 2px;
}
.fields-line {
  width: 40px;
  height: 3px;
  background: #2563b1;
  background: #244ea8;
  margin-top: 15px;
}
.fields-grid {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 30px;
  width: 100%;
  height: 100%;
  position: absolute;
  bottom: 0;
  left: 0;
}
.field-item {
  text-align: center;
  padding: 30px 15px;
  cursor: pointer;
  height: 100%;
  display: flex;
  align-items: flex-end;
}
.field-item .item-txt {
  width: 100%;
  text-align: center;
}
.field-item:hover {
  background: linear-gradient(transparent, rgba(33, 75, 166, 0.8));
}
.field-item:hover .field-name-en {
  display: block;
}
.field-name {
  font-size: 25px;
  color: #ffffff;
  margin-bottom: 6px;
}
.field-name-en {
  font-size: 11px;
  color: rgba(255, 255, 255, 0.5);
  text-transform: uppercase;
  display: none;
}
.news-section {
  padding: 80px 0;
  background: #f8f9fa;
}
.news-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 25px;
}
.news-card {
  background: #fff;
  overflow: hidden;
  transition: box-shadow 0.3s;
}
.news-card:hover {
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.08);
}
.news-card:hover .news-img img {
  transform: scale(1.05);
}
.news-card:hover .news-title {
  color: #2563b1;
}
.news-img {
  height: 300px;
  overflow: hidden;
}
.news-img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.3s;
}
.news-body {
  padding: 20px;
}
.news-title {
  font-size: 20px;
  font-weight: 500;
  color: #333333;
  margin-bottom: 14px;
  line-height: 1.5;
  transition: color 0.3s;
}
.news-desc {
  font-size: 13px;
  color: #999999;
  line-height: 1.6;
  margin-bottom: 12px;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}
.news-date {
  font-size: 15px;
  color: #999999;
}
.news-more-wrap {
  text-align: center;
  margin-top: 40px;
}
.news-more-wrap .arr {
  width: 15px;
  margin-right: 15px;
}
.cta-section {
  position: relative;
  padding: 80px 0;
  color: #fff;
  text-align: center;
  overflow: hidden;
  background: #1e60d5;
}
.cta-section .cta-bg {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  z-index: 1;
  display: flex;
  align-items: flex-end;
  justify-content: center;
}
.cta-section .cta-bg img {
  display: block;
}
.cta-section .cta-content {
  position: relative;
  z-index: 3;
}
.cta-title {
  font-size: 32px;
  font-weight: 600;
  margin-bottom: 15px;
}
.cta-desc {
  font-size: 15px;
  opacity: 0.85;
  margin-bottom: 30px;
}
.cta-btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 10px 25px;
  background: #fff;
  color: #2563b1;
  font-size: 14px;
  border-radius: 4px;
  transition: background 0.3s;
  padding: 14px 40px;
  font-size: 15px;
  font-weight: 500;
}
.cta-btn:hover {
  background: #f0f0f0;
}
.footer {
  background: #0f1f3d;
  color: rgba(255, 255, 255, 0.6);
  padding: 60px 0 0;
}
.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1.5fr;
  gap: 50px;
  margin-bottom: 40px;
}
.footer-title {
  font-size: 16px;
  color: #fff;
  font-weight: 500;
  margin-bottom: 20px;
}
.footer-about-text {
  font-size: 13px;
  line-height: 1.8;
  color: rgba(255, 255, 255, 0.5);
}
.footer-links li {
  margin-bottom: 10px;
}
.footer-links a {
  font-size: 13px;
  color: rgba(255, 255, 255, 0.5);
  transition: color 0.3s;
}
.footer-links a:hover {
  color: #fff;
}
.footer-contact li {
  font-size: 13px;
  color: rgba(255, 255, 255, 0.5);
  margin-bottom: 10px;
  display: flex;
  align-items: flex-start;
  gap: 8px;
}
.footer-contact svg {
  width: 14px;
  height: 14px;
  flex-shrink: 0;
  margin-top: 3px;
}
.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  padding: 20px 0;
  text-align: center;
  font-size: 12px;
  color: rgba(255, 255, 255, 0.4);
}
.btn {
  display: inline-block;
  padding: 12px 30px;
  border-radius: 4px;
  font-size: 14px;
  cursor: pointer;
  transition: all 0.3s;
  border: none;
  text-align: center;
}
.btn-primary {
  background: #2563b1;
  color: #fff;
}
.btn-primary:hover {
  background: #1d4f8f;
}
.btn-outline {
  background: transparent;
  color: #2563b1;
  border: 2px solid #2563b1;
}
.btn-outline:hover {
  background: rgba(37, 99, 177, 0.05);
}
.btn-outline-white {
  background: transparent;
  color: #fff;
  border: 2px solid #fff;
}
.btn-outline-white:hover {
  background: rgba(255, 255, 255, 0.1);
}
.page-banner {
  position: relative;
  height: 400px;
  overflow: hidden;
}
.page-banner img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}
.page-banner-overlay {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  z-index: 1;
  background: rgba(0, 0, 0, 0.4);
  display: flex;
  align-items: center;
}
.page-banner-title {
  color: #fff;
}
.page-banner-title h1 {
  font-size: 48px;
  margin-bottom: 15px;
  font-weight: 600;
}
.breadcrumb {
  display: flex;
  align-items: center;
  gap: 10px;
  color: rgba(255, 255, 255, 0.8);
  font-size: 14px;
}
.breadcrumb a {
  color: rgba(255, 255, 255, 0.8);
}
.breadcrumb a:hover {
  color: #fff;
}
.back-bar {
  background: #fff;
  border-bottom: 1px solid #f0f0f0;
}
.back-bar .container {
  padding-top: 20px;
  padding-bottom: 20px;
}
.back-link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  color: #2563b1;
  font-size: 14px;
}
.back-link:hover {
  color: #1d4f8f;
}
.back-link svg {
  width: 16px;
  height: 16px;
}
.pagination {
  display: flex;
  justify-content: center;
  gap: 8px;
  margin-top: 40px;
}
.pagination a,
.pagination span {
  padding: 8px 16px;
  border: 1px solid #e5e5e5;
  font-size: 14px;
  cursor: pointer;
  transition: all 0.3s;
}
.pagination a:hover {
  background: #f8f9fa;
}
.pagination span.current {
  background: #2563b1;
  color: #fff;
  border-color: #2563b1;
}
.page-content {
  padding: 40px 0;
}
.container.page-section {
  padding-top: 40px;
  padding-bottom: 40px;
}
.about-page-content {
  padding: 60px 0;
}
.about-page-content .section-title {
  text-align: center;
  margin-bottom: 40px;
}
.about-page-content .section-title h2 {
  font-size: 36px;
  color: #333;
}
.about-page-content .section-title .line {
  width: 60px;
  height: 3px;
  background: #2563b1;
  margin: 15px auto 0;
}
.about-intro-grid {
  display: grid;
  gap: 50px;
  align-items: center;
}
.about-intro-text p {
  color: #666;
  line-height: 1.8;
  margin-bottom: 15px;
  font-size: 15px;
}
.about-stats-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
  margin-top: 30px;
}
.about-stat-item {
  text-align: center;
}
.about-stat-item .num {
  font-size: 36px;
  color: #2563b1;
  font-weight: 700;
  margin-bottom: 5px;
}
.about-stat-item .label {
  color: #666;
  font-size: 14px;
}
.about-intro-img img {
  width: 100%;
  height: 450px;
  object-fit: cover;
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.1);
}
.culture-section {
  background: linear-gradient(135deg, #0d3a7a, #164d99, #0d3a7a);
  padding: 70px 0;
  position: relative;
  overflow: hidden;
}
.culture-section::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  z-index: 1;
  background-image: radial-gradient(circle, rgba(255, 255, 255, 0.1) 1px, transparent 1px);
  background-size: 50px 50px;
}
.culture-section .section-title {
  position: relative;
  z-index: 1;
  text-align: center;
  padding: 30px 0;
}
.culture-section .section-title h2 {
  font-size: 36px;
  color: #fff;
  text-align: center;
}
.culture-section .section-title .line {
  background: #fff;
  margin: 20px auto;
  height: 3px;
  width: 120px;
}
.culture-section .section-title p {
  text-align: center;
  color: rgba(255, 255, 255, 0.8);
}
.culture-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 25px;
  position: relative;
  z-index: 1;
}
.culture-card {
  background: rgba(255, 255, 255, 0.1);
  backdrop-filter: blur(10px);
  padding: 35px 25px;
  border-radius: 4px;
  text-align: center;
  color: #fff;
  border: 1px solid rgba(255, 255, 255, 0.2);
  transition: background 0.3s;
}
.culture-card:hover {
  background: rgba(255, 255, 255, 0.2);
}
.culture-card .culture-icon {
  width: 64px;
  height: 64px;
  margin: 0 auto 20px;
  color: #fff;
}
.culture-card .culture-icon svg {
  width: 100%;
  height: 100%;
  stroke: currentColor;
  fill: none;
  stroke-width: 1.5;
}
.culture-card h3 {
  font-size: 22px;
  margin-bottom: 12px;
}
.culture-card p {
  opacity: 0.9;
  line-height: 1.6;
  font-size: 14px;
}
.rd-section {
  padding: 70px 0;
  background: #f8f9fa;
}
.rd-section .section-title {
  position: relative;
  z-index: 1;
  text-align: center;
  padding: 30px 0;
}
.rd-section .section-title h2 {
  font-size: 36px;
  color: #333;
  text-align: center;
}
.rd-section .section-title .line {
  background: #2563b1;
  margin: 20px auto;
  height: 3px;
  width: 120px;
}
.rd-section .section-title p {
  text-align: center;
  color: #333;
}
.rd-gallery {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
  margin-bottom: 30px;
}
.rd-gallery img {
  width: 100%;
  height: 300px;
  object-fit: cover;
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
}
.rd-slider {
  position: relative;
  height: 350px;
  overflow: hidden;
  margin-bottom: 30px;
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
}
.rd-slider .swiper-slide {
  position: relative;
  overflow: hidden;
}
.rd-slider .swiper-slide img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}
.rd-slider .swiper-slide .rd-slide-title {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  background: linear-gradient(to top, rgba(0, 0, 0, 0.7), transparent);
  padding: 30px 20px 20px;
  color: #fff;
  font-size: 20px;
}
.rd-slider .swiper-button-prev,
.rd-slider .swiper-button-next {
  width: 40px;
  height: 40px;
  background: rgba(255, 255, 255, 0.2);
  border-radius: 50%;
  color: #fff;
  transition: background 0.3s;
}
.rd-slider .swiper-button-prev::after,
.rd-slider .swiper-button-next::after {
  font-size: 20px;
  font-weight: bold;
}
.rd-slider .swiper-button-prev:hover,
.rd-slider .swiper-button-next:hover {
  background: rgba(255, 255, 255, 0.3);
}
.rd-slider .swiper-button-prev {
  left: 15px;
}
.rd-slider .swiper-button-next {
  right: 15px;
}
.rd-slider .swiper-pagination {
  bottom: 15px;
}
.rd-slider .swiper-pagination-bullet {
  width: 8px;
  height: 8px;
  border-radius: 4px;
  background: rgba(255, 255, 255, 0.5);
  opacity: 1;
  transition: all 0.3s;
}
.rd-slider .swiper-pagination-bullet.swiper-pagination-bullet-active {
  background: #fff;
  width: 24px;
}
.rd-info {
  background: #fff;
  padding: 40px;
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.05);
}
.rd-info-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 40px;
}
.rd-info-list li {
  display: flex;
  align-items: flex-start;
  margin-bottom: 15px;
  color: #666;
}
.rd-info-list li .check {
  color: #2563b1;
  margin-right: 10px;
  font-size: 18px;
  flex-shrink: 0;
}
.products-layout {
  display: flex;
  gap: 30px;
  padding: 40px 0;
}
.products-sidebar {
  width: 260px;
  flex-shrink: 0;
}
.products-sidebar-inner {
  background: #fff;
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.05);
  position: sticky;
  top: 90px;
}
.sidebar-header {
  background: #2563b1;
  color: #fff;
  padding: 18px 20px;
  font-size: 18px;
}
.sidebar-menu {
  border: 1px solid #eee;
  border-top: none;
}
.sidebar-menu li {
  border-bottom: 1px solid #f0f0f0;
}
.sidebar-menu a {
  display: block;
  padding: 14px 20px;
  color: #666;
  font-size: 15px;
  transition: all 0.3s;
  border-left: 4px solid transparent;
}
.sidebar-menu a:hover,
.sidebar-menu a.active {
  background: rgba(37, 99, 177, 0.08);
  color: #2563b1;
  border-left-color: #2563b1;
}
.products-main {
  flex: 1;
}
.products-main-header {
  margin-bottom: 25px;
  color: #666;
}
.products-main-header span {
  color: #2563b1;
  font-weight: 600;
}
.products-list-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}
.product-item {
  background: #fff;
  overflow: hidden;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.05);
  transition: box-shadow 0.3s;
}
.product-item:hover {
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.1);
}
.product-item:hover .product-item-img img {
  transform: scale(1.08);
}
.product-item:hover .product-item-body h3 {
  color: #2563b1;
}
.product-item-img {
  height: 220px;
  overflow: hidden;
  background: #f8f9fa;
}
.product-item-img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.3s;
}
.product-item-body {
  padding: 20px;
}
.product-item-body h3 {
  font-size: 17px;
  margin-bottom: 8px;
  color: #333;
  transition: color 0.3s;
}
.product-item-body .spec {
  font-size: 13px;
  color: #999;
  margin-bottom: 12px;
}
.product-item-body .more {
  display: block;
  padding-top: 12px;
  border-top: 1px solid #f0f0f0;
  color: #2563b1;
  font-size: 14px;
  font-weight: 500;
}
.product-detail-layout {
  display: flex;
  background: #fff;
}
.product-detail-images {
  width: 680px;
  padding: 40px;
  background: #f8f9fa;
  box-sizing: border-box;
  flex-shrink: 0;
}
.product-detail-main-img {
  background: #fff;
  margin-bottom: 15px;
  overflow: hidden;
}
.product-detail-main-img.swiper {
  width: 100%;
  overflow: hidden;
  position: relative;
}
.product-detail-main-img .swiper-slide {
  overflow: hidden;
}
.product-detail-main-img .swiper-slide img {
  width: 100%;
  height: 450px;
  object-fit: cover;
  display: block;
}
.product-detail-main-img .swiper-button-next,
.product-detail-main-img .swiper-button-prev {
  width: 36px;
  height: 36px;
  background: rgba(255, 255, 255, 0.6);
  border-radius: 50%;
  color: #333;
  transition: background 0.3s, color 0.3s;
}
.product-detail-main-img .swiper-button-next::after,
.product-detail-main-img .swiper-button-prev::after {
  font-size: 18px;
  font-weight: bold;
}
.product-detail-main-img .swiper-button-next:hover,
.product-detail-main-img .swiper-button-prev:hover {
  background: rgba(255, 255, 255, 0.9);
  color: #2563b1;
}
.product-detail-thumbs.swiper {
  width: 100%;
  overflow: hidden;
}
.product-detail-thumbs .swiper-slide {
  width: 80px;
  cursor: pointer;
  opacity: 0.5;
  transition: opacity 0.3s;
}
.product-detail-thumbs .swiper-slide-active,
.product-detail-thumbs .swiper-slide:hover {
  opacity: 1;
}
.product-detail-thumbs .swiper-slide img {
  width: 100%;
  height: 80px;
  object-fit: cover;
  display: block;
  border: 2px solid transparent;
  transition: border-color 0.3s;
}
.product-detail-thumbs .swiper-slide-thumb-active {
  border: 1px solid #2563b1;
  opacity: 1;
}
.product-detail-info {
  padding: 40px;
  width: 50%;
}
.product-detail-info .category {
  font-size: 14px;
  color: #999;
  margin-bottom: 10px;
}
.product-detail-info h1 {
  font-size: 28px;
  margin-bottom: 30px;
  line-height: 1.3;
}
.product-specs h3 {
  font-size: 18px;
  margin-bottom: 20px;
  color: #333;
}
.spec-row {
  display: flex;
  padding: 12px 0;
  border-bottom: 1px solid #f0f0f0;
}
.spec-row .label {
  width: 120px;
  color: #666;
}
.spec-row .value {
  flex: 1;
  color: #333;
}
.product-detail-btns {
  display: flex;
  gap: 15px;
  margin-top: 30px;
  padding-top: 30px;
  border-top: 1px solid #eee;
}
.product-detail-btns .btn {
  flex: 1;
  padding: 15px;
  font-size: 15px;
}
.product-detail-content {
  padding: 50px 40px;
  border-top: 1px solid #eee;
  max-width: 900px;
}
.product-detail-content h2 {
  font-size: 24px;
  margin-bottom: 25px;
}
.product-detail-content p {
  color: #666;
  line-height: 1.8;
  margin-bottom: 20px;
}
.product-detail-content h3 {
  font-size: 20px;
  margin: 30px 0 20px;
  color: #333;
}
.features-list {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 15px 30px;
}
.features-list li {
  display: flex;
  align-items: flex-start;
}
.features-list li .check {
  color: #2563b1;
  margin-right: 10px;
  font-size: 18px;
  flex-shrink: 0;
}
.case-filter {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-bottom: 30px;
}
.case-filter button {
  padding: 10px 24px;
  background: #fff;
  border: 1px solid #e5e5e5;
  font-size: 14px;
  cursor: pointer;
  transition: all 0.3s;
}
.case-filter button:hover,
.case-filter button.active {
  background: #2563b1;
  color: #fff;
  border-color: #2563b1;
}
.cases-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 25px;
}
.case-card {
  background: #fff;
  overflow: hidden;
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.05);
  transition: box-shadow 0.3s;
}
.case-card:hover {
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.1);
}
.case-card:hover .case-card-img img {
  transform: scale(1.05);
}
.case-card:hover .case-card-body h3 {
  color: #2563b1;
}
.case-card-img {
  height: 220px;
  overflow: hidden;
}
.case-card-img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.3s;
}
.case-card-body {
  padding: 25px;
}
.case-tag {
  display: inline-block;
  background: rgba(37, 99, 177, 0.08);
  color: #2563b1;
  padding: 4px 12px;
  font-size: 12px;
  margin-bottom: 12px;
}
.case-card-body h3 {
  font-size: 17px;
  margin-bottom: 10px;
  line-height: 1.5;
  color: #333;
  transition: color 0.3s;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}
.case-card-body .desc {
  font-size: 14px;
  color: #888;
  margin-bottom: 15px;
  line-height: 1.6;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}
.case-meta {
  font-size: 13px;
  color: #999;
  margin-bottom: 8px;
  display: flex;
  align-items: center;
  gap: 5px;
}
.case-meta svg {
  width: 14px;
  height: 14px;
}
.case-card-body .more {
  display: block;
  padding-top: 15px;
  margin-top: 15px;
  border-top: 1px solid #f0f0f0;
  color: #2563b1;
  font-size: 14px;
  font-weight: 500;
}
.case-detail-content {
  padding: 40px 0;
}
.case-detail-info {
  background: #fff;
  padding: 40px;
  margin-bottom: 30px;
}
.case-detail-top {
  padding-bottom: 30px;
  margin-bottom: 30px;
  border-bottom: 1px solid #eee;
}
.case-detail-top .tag {
  display: inline-block;
  background: rgba(37, 99, 177, 0.08);
  color: #2563b1;
  padding: 4px 12px;
  font-size: 12px;
  margin-bottom: 15px;
}
.case-detail-top h1 {
  font-size: 32px;
  margin-bottom: 25px;
}
.case-detail-meta-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 30px;
}
.case-detail-meta-item .label {
  font-size: 13px;
  color: #999;
  margin-bottom: 5px;
}
.case-detail-meta-item .value {
  color: #333;
  font-size: 15px;
}
.case-detail-main-img {
  margin-bottom: 30px;
}
.case-detail-main-img img {
  width: 100%;
  height: 450px;
  object-fit: cover;
}
.case-detail-body {
  padding: 0 40px 40px;
}
.case-detail-body section {
  margin-bottom: 35px;
}
.case-detail-body h2 {
  font-size: 22px;
  margin-bottom: 18px;
}
.case-detail-body p {
  color: #666;
  line-height: 1.8;
  margin-bottom: 15px;
}
.case-results li {
  display: flex;
  align-items: flex-start;
  margin-bottom: 12px;
  color: #666;
}
.case-results li .check {
  color: #2563b1;
  margin-right: 10px;
  font-size: 18px;
  flex-shrink: 0;
}
.case-images-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}
.case-images-grid img {
  width: 100%;
  height: 240px;
  object-fit: cover;
  transition: transform 0.3s;
}
.case-images-grid img:hover {
  transform: scale(1.03);
}
.case-detail-cta {
  background: rgba(37, 99, 177, 0.08);
  padding: 50px;
  text-align: center;
}
.case-detail-cta h3 {
  font-size: 24px;
  margin-bottom: 10px;
}
.case-detail-cta p {
  color: #666;
  margin-bottom: 25px;
}
.case-detail-cta .cta-btns {
  display: flex;
  gap: 15px;
  justify-content: center;
}
.news-featured {
  margin-bottom: 40px;
}
.news-featured-card {
  display: grid;
  grid-template-columns: 1fr 1fr;
  background: #fff;
  border-radius: 4px;
  overflow: hidden;
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.05);
  transition: box-shadow 0.3s;
}
.news-featured-card:hover {
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.1);
}
.news-featured-card:hover .news-featured-img img {
  transform: scale(1.03);
}
.news-featured-card:hover .news-featured-body h2 {
  color: #2563b1;
}
.news-featured-img {
  height: 350px;
  overflow: hidden;
}
.news-featured-img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.3s;
}
.news-featured-body {
  padding: 40px;
  display: flex;
  flex-direction: column;
  justify-content: center;
}
.news-featured-body .tag {
  display: inline-block;
  background: #2563b1;
  color: #fff;
  padding: 4px 12px;
  font-size: 13px;
  border-radius: 4px;
  margin-bottom: 15px;
  width: fit-content;
}
.news-featured-body h2 {
  font-size: 26px;
  margin-bottom: 15px;
  line-height: 1.4;
  color: #333;
  transition: color 0.3s;
}
.news-featured-body .meta {
  display: flex;
  align-items: center;
  gap: 15px;
  color: #999;
  font-size: 14px;
  margin-bottom: 15px;
}
.news-featured-body p {
  color: #666;
  line-height: 1.7;
  margin-bottom: 20px;
}
.news-featured-body .more {
  display: flex;
  align-items: center;
  gap: 8px;
  color: #2563b1;
  font-weight: 500;
}
.news-card {
  display: block;
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.05);
}
.news-card:hover {
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.1);
}
.news-card:hover .news-card-img img {
  transform: scale(1.03);
}
.news-card:hover .news-card-body h3 {
  color: #2563b1;
}
.news-card-img {
  height: 200px;
  overflow: hidden;
}
.news-card-img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.3s;
}
.news-card-body {
  padding: 20px;
}
.news-card-body h3 {
  font-size: 16px;
  line-height: 1.5;
  color: #333;
  margin-bottom: 5px;
  transition: color 0.3s;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}
.news-tag {
  display: inline-block;
  background: rgba(37, 99, 177, 0.08);
  color: #2563b1;
  padding: 2px 8px;
  font-size: 12px;
  border-radius: 4px;
  margin-bottom: 10px;
}
.news-meta {
  display: flex;
  align-items: center;
  gap: 5px;
  color: #999;
  font-size: 13px;
  margin-bottom: 10px;
}
.news-meta svg {
  width: 14px;
  height: 14px;
}
.news-summary {
  font-size: 14px;
  color: #888;
  line-height: 1.6;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
  margin-bottom: 12px;
}
.news-more-link {
  color: #2563b1;
  font-size: 14px;
}
.news-more-link:hover {
  color: #1d4f8f;
}
.news-detail-back {
  background: #fff;
  border-bottom: 1px solid #eee;
}
.news-detail-back .container {
  padding-top: 20px;
  padding-bottom: 20px;
}
.news-detail-content {
  padding: 40px 0;
}
.news-detail-article {
  background: #fff;
  border-radius: 4px;
  padding: 50px;
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.05);
}
.news-detail-header .tag {
  display: inline-block;
  background: rgba(37, 99, 177, 0.08);
  color: #2563b1;
  padding: 4px 12px;
  font-size: 13px;
  border-radius: 4px;
  margin-bottom: 15px;
}
.news-detail-header h1 {
  font-size: 32px;
  margin-bottom: 20px;
  line-height: 1.4;
}
.news-detail-header .meta {
  display: flex;
  align-items: center;
  gap: 15px;
  color: #999;
  font-size: 14px;
  margin-bottom: 30px;
}
.news-detail-header .meta svg {
  width: 16px;
  height: 16px;
}
.article-img {
  border-radius: 4px;
  overflow: hidden;
  margin-bottom: 30px;
}
.article-img img {
  width: 100%;
  height: 450px;
  object-fit: cover;
}
.article-body {
  font-size: 17px;
  line-height: 1.8;
  color: #444;
}
.article-body p {
  margin-bottom: 20px;
}
.article-body h3 {
  font-size: 22px;
  margin: 30px 0 15px;
  color: #333;
}
.news-detail-share {
  border-top: 1px solid #eee;
  margin-top: 40px;
  padding-top: 25px;
  display: flex;
  align-items: center;
  gap: 15px;
  color: #666;
}
.news-detail-share svg {
  width: 18px;
  height: 18px;
}
.news-detail-share button {
  background: none;
  border: none;
  color: #2563b1;
  cursor: pointer;
  font-size: 14px;
}
.news-detail-share button:hover {
  color: #1d4f8f;
}
.news-related {
  margin-top: 25px;
  background: #fff;
  border-radius: 4px;
  padding: 30px;
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.05);
}
.news-related h3 {
  font-size: 20px;
  margin-bottom: 20px;
}
.news-related-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}
.news-related-item img {
  width: 100%;
  height: 160px;
  object-fit: cover;
  border-radius: 4px;
  margin-bottom: 10px;
  transition: transform 0.3s;
}
.news-related-item:hover img {
  transform: scale(1.03);
}
.news-related-item h4 {
  font-size: 14px;
  line-height: 1.5;
  color: #333;
  transition: color 0.3s;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}
.news-related-item:hover h4 {
  color: #2563b1;
}
.contact-map-section {
  padding: 50px 0;
}
.contact-map-grid {
  display: grid;
  grid-template-columns: 2fr 1fr;
  gap: 0;
}
.contact-map {
  background: #e8e8e8;
  height: 500px;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-direction: column;
  color: #999;
}
.contact-map img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}
.contact-map svg {
  width: 64px;
  height: 64px;
  margin-bottom: 15px;
  color: #bbb;
}
.contact-info-panel {
  background: #2563b1;
  color: #fff;
  padding: 50px 40px;
  display: flex;
  flex-direction: column;
  justify-content: center;
}
.contact-info-item {
  display: flex;
  align-items: flex-start;
  gap: 20px;
  margin-bottom: 35px;
}
.contact-info-item:last-child {
  margin-bottom: 0;
}
.contact-info-icon {
  width: 56px;
  height: 56px;
  background: rgba(255, 255, 255, 0.2);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}
.contact-info-icon svg {
  width: 28px;
  height: 28px;
  color: #fff;
}
.contact-info-item h3 {
  font-size: 18px;
  margin-bottom: 8px;
}
.contact-info-item p {
  opacity: 0.9;
  font-size: 15px;
  line-height: 1.6;
}
.contact-form-section {
  padding: 60px 0;
  background: #f8f9fa;
}
.contact-form-box {
  background: #fff;
  padding: 50px;
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.05);
}
.contact-form-box h2 {
  text-align: center;
  font-size: 24px;
  margin-bottom: 35px;
}
.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
  margin-bottom: 20px;
}
.form-group {
  margin-bottom: 20px;
}
.form-group label {
  display: block;
  margin-bottom: 8px;
  color: #666;
  font-size: 14px;
}
.form-group input,
.form-group select,
.form-group textarea {
  width: 100%;
  padding: 14px;
  border: 1px solid #ddd;
  font-size: 15px;
  transition: border-color 0.3s;
}
.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  border-color: #2563b1;
}
.form-submit {
  text-align: center;
  margin-top: 10px;
}
.form-submit .btn {
  padding: 14px 50px;
  font-size: 15px;
}
.form-note {
  text-align: center;
  color: #999;
  font-size: 13px;
  margin-top: 15px;
}
.contact-bottom-cta {
  padding: 40px 0 60px;
}
.contact-bottom-cta-inner {
  background: rgba(37, 99, 177, 0.08);
  padding: 50px;
  text-align: center;
}
.contact-bottom-cta-inner h3 {
  font-size: 24px;
  margin-bottom: 10px;
}
.contact-bottom-cta-inner p {
  color: #666;
  margin-bottom: 25px;
}
.contact-bottom-cta-inner .cta-btns {
  display: flex;
  gap: 15px;
  justify-content: center;
}
.not-found {
  min-height: 60vh;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
}
.not-found h1 {
  font-size: 100px;
  color: #2563b1;
  margin-bottom: 10px;
}
.not-found p {
  font-size: 20px;
  color: #666;
  margin-bottom: 30px;
}
@media (max-width: 1240px) {
  .container {
    width: 100%;
    padding: 0 20px;
  }
}
@media (max-width: 992px) {
  .header-inner {
    position: relative;
    height: 60px;
  }
  .logo {
    margin-left: 10px;
  }
  .logo-icon {
    width: 36px;
  }
  .logo-text .cn {
    font-size: 14px;
  }
  .logo-text .en {
    display: none;
  }
  .r_cont {
    position: static;
    align-items: center;
  }
  .nav {
    display: none;
  }
  .header-right {
    display: none;
  }
  .mobile-menu-btn {
    display: flex;
    margin-right: 20px;
  }
  .nav-drawer {
    width: 50vw;
  }
  .banner {
    height: 500px;
  }
  .banner-title {
    font-size: 36px;
  }
  .banner-en {
    font-size: 50px;
    margin-bottom: -40px;
  }
  .banner-subtitle {
    font-size: 20px;
    margin-bottom: 25px;
  }
  .banner-btn {
    padding: 10px 25px;
    font-size: 14px;
  }
  .banner-controls {
    height: 60px;
    padding: 0 25px;
    gap: 18px;
    width: 60%;
  }
  .prod-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .prod-tabs {
    gap: 20px;
  }
  .features-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 30px;
  }
  .about-grid {
    flex-direction: column;
  }
  .about-left {
    width: 100%;
    padding-right: 0;
  }
  .about-right {
    width: 100%;
  }
  .fields-grid {
    grid-template-columns: repeat(3, 1fr);
  }
  .news-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .news-img {
    height: 220px;
  }
  .footer-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 30px;
  }
  .section-padding {
    padding: 60px 0;
  }
  .page-banner {
    height: 300px;
  }
  .page-banner-title h1 {
    font-size: 36px;
  }
  .products-layout {
    flex-direction: column;
  }
  .products-sidebar {
    width: 100%;
  }
  .products-sidebar-inner {
    position: static;
  }
  .sidebar-header {
    display: none;
  }
  .sidebar-menu {
    display: flex;
    overflow-x: auto;
    white-space: nowrap;
    border: none;
    border-bottom: 1px solid #e5e5e5;
    padding: 0 5px;
    -webkit-overflow-scrolling: touch;
  }
  .sidebar-menu::-webkit-scrollbar {
    display: none;
  }
  .sidebar-menu li {
    border-bottom: none;
    flex-shrink: 0;
  }
  .sidebar-menu a {
    display: block;
    padding: 14px 18px;
    border-left: none;
    border-bottom: 2px solid transparent;
  }
  .sidebar-menu a.active {
    border-left-color: transparent;
    border-bottom-color: #2563b1;
  }
  .products-list-grid,
  .cases-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .product-detail-layout {
    flex-direction: column;
  }
  .product-detail-images {
    width: 100%;
    padding: 20px;
  }
  .product-detail-main-img .swiper-slide img {
    height: 350px;
  }
  .product-detail-info {
    width: 100%;
    padding: 20px;
  }
  .case-detail-meta-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .case-detail-main-img img {
    height: 300px;
  }
  .case-images-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .news-featured-card {
    grid-template-columns: 1fr;
  }
  .news-featured-img {
    height: 250px;
  }
  .news-related-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .contact-map-grid {
    grid-template-columns: 1fr;
  }
  .contact-map {
    height: 300px;
  }
  .contact-info-panel {
    padding: 30px 25px;
  }
  .about-intro-grid,
  .rd-info-grid,
  .rd-gallery {
    grid-template-columns: 1fr;
  }
  .about-intro-img img {
    height: 300px;
  }
  .culture-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .rd-gallery img {
    height: 220px;
  }
}
@media (max-width: 768px) {
  .logo-icon {
    width: 35px;
  }
  .logo-text .cn {
    font-size: 13px;
  }
  .logo-text .en {
    display: none;
  }
  .mobile-menu-btn {
    width: 24px;
    height: 18px;
  }
  .mobile-menu-btn.active span:nth-child(1) {
    transform: translateY(8px) rotate(45deg);
  }
  .mobile-menu-btn.active span:nth-child(3) {
    transform: translateY(-8px) rotate(-45deg);
  }
  .nav-drawer {
    width: 50vw;
  }
  .banner {
    height: 400px;
  }
  .banner-title {
    font-size: 26px;
  }
  .banner-subtitle {
    font-size: 16px;
    margin-bottom: 20px;
  }
  .banner-en {
    font-size: 36px;
    margin-bottom: -30px;
  }
  .banner-btn {
    padding: 8px 20px;
    font-size: 13px;
  }
  .banner-controls {
    display: none;
  }
  .prod-grid {
    gap: 12px;
  }
  .prod-tabs {
    gap: 15px;
    flex-wrap: wrap;
  }
  .prod-tabs a {
    padding: 14px 0;
    font-size: 13px;
  }
  .prod-img {
    height: 150px;
  }
  .features-grid {
    gap: 20px;
  }
  .feature-icon {
    width: 45px;
    height: 45px;
    margin: 0 auto 10px;
  }
  .feature-icon img {
    width: 100%;
  }
  .feature-title {
    font-size: 15px;
  }
  .feature-desc {
    font-size: 11px;
  }
  .about-text {
    font-size: 14px;
    line-height: 1.7;
  }
  .about-stats {
    gap: 15px;
    padding: 20px 0;
  }
  .about-stat-num {
    font-size: 28px;
  }
  .fields-section {
    height: auto;
    min-height: 300px;
    display: none;
  }
  .fields-content {
    position: relative;
    padding: 40px 0 0;
  }
  .fields-title-group {
    position: static;
    margin-bottom: 20px;
    padding: 0 20px;
  }
  .fields-grid {
    position: static;
    grid-template-columns: repeat(2, 1fr);
    gap: 10px;
  }
  .field-item {
    padding: 15px 10px;
  }
  .field-name {
    font-size: 18px;
  }
  .news-grid {
    gap: 15px;
  }
  .news-img {
    height: 200px;
  }
  .news-title {
    font-size: 16px;
  }
  .sec-header {
    flex-direction: column;
    align-items: flex-start;
    gap: 12px;
    position: relative;
  }
  .sec-header .sec-more {
    position: absolute;
    right: 20px;
    top: 50%;
    transform: translateY(-50%);
  }
  .sec-title {
    font-size: 22px;
  }
  .cta-title {
    font-size: 24px;
  }
  .cta-desc {
    font-size: 14px;
  }
  .footer-grid {
    grid-template-columns: 1fr;
    gap: 25px;
  }
  .products-section,
  .about-section,
  .news-section {
    padding: 50px 0;
  }
  .page-banner {
    height: 220px;
  }
  .page-banner-title h1 {
    font-size: 24px;
    margin-bottom: 10px;
  }
  .breadcrumb {
    font-size: 12px;
  }
  .products-list-grid,
  .cases-grid {
    gap: 12px;
  }
  .product-item-img {
    height: 160px;
  }
  .product-item-body h3 {
    font-size: 14px;
  }
  .sidebar-menu a {
    padding: 12px 14px;
    font-size: 13px;
  }
  .case-filter {
    gap: 6px;
    flex-wrap: wrap;
  }
  .case-filter button {
    padding: 6px 14px;
    font-size: 12px;
  }
  .case-card-img {
    height: 160px;
  }
  .case-card-body h3 {
    font-size: 14px;
  }
  .product-detail-main-img .swiper-slide img {
    height: 220px;
  }
  .product-detail-images {
    padding: 15px;
  }
  .product-detail-info {
    padding: 15px;
  }
  .product-detail-info h1 {
    font-size: 20px;
  }
  .product-detail-btns {
    flex-direction: column;
    gap: 10px;
  }
  .product-detail-btns .btn {
    width: 100%;
  }
  .product-detail-content {
    padding: 25px 15px;
  }
  .product-detail-content h2 {
    font-size: 18px;
  }
  .features-list {
    grid-template-columns: 1fr;
    gap: 10px 0;
  }
  .back-bar .container {
    padding-top: 15px;
    padding-bottom: 15px;
  }
  .case-detail-content {
    padding: 20px 0;
  }
  .case-detail-info {
    padding: 20px;
  }
  .case-detail-top h1 {
    font-size: 22px;
  }
  .case-detail-meta-grid {
    gap: 12px;
  }
  .case-detail-main-img img {
    height: 220px;
  }
  .case-detail-body {
    padding: 0 20px 20px;
  }
  .case-detail-body h2 {
    font-size: 18px;
  }
  .case-detail-body p {
    font-size: 14px;
  }
  .case-images-grid {
    gap: 10px;
  }
  .case-images-grid img {
    height: 160px;
  }
  .case-detail-cta {
    padding: 25px;
  }
  .case-detail-cta h3 {
    font-size: 18px;
  }
  .news-featured-body {
    padding: 20px;
  }
  .news-featured-body h2 {
    font-size: 18px;
  }
  .news-featured-body p {
    font-size: 13px;
  }
  .news-card-img {
    height: 150px;
  }
  .news-card-body h3 {
    font-size: 14px;
  }
  .news-summary {
    font-size: 13px;
  }
  .news-detail-article {
    padding: 20px;
  }
  .news-detail-header h1 {
    font-size: 20px;
  }
  .news-detail-header .meta {
    font-size: 12px;
    flex-wrap: wrap;
  }
  .article-img img {
    height: 200px;
  }
  .article-body {
    font-size: 15px;
  }
  .article-body p {
    margin-bottom: 15px;
  }
  .news-detail-share {
    flex-wrap: wrap;
    gap: 10px;
  }
  .news-related-grid {
    grid-template-columns: 1fr;
    gap: 15px;
  }
  .news-related-item img {
    height: 180px;
  }
  .contact-map {
    height: 220px;
  }
  .contact-info-panel {
    padding: 25px 20px;
  }
  .contact-info-icon {
    width: 42px;
    height: 42px;
  }
  .contact-info-icon svg {
    width: 22px;
    height: 22px;
  }
  .contact-info-item h3 {
    font-size: 15px;
  }
  .contact-info-item p {
    font-size: 13px;
  }
  .contact-form-box {
    padding: 20px;
  }
  .contact-form-box h2 {
    font-size: 20px;
    margin-bottom: 25px;
  }
  .form-row {
    grid-template-columns: 1fr;
    gap: 0;
  }
  .form-group input,
  .form-group select,
  .form-group textarea {
    padding: 12px;
    font-size: 14px;
  }
  .contact-bottom-cta-inner {
    padding: 25px;
  }
  .contact-bottom-cta-inner h3 {
    font-size: 18px;
  }
  .contact-bottom-cta-inner .cta-btns {
    flex-direction: column;
    align-items: center;
  }
  .about-page-content {
    padding: 40px 0;
  }
  .about-intro-text p {
    font-size: 14px;
    line-height: 1.7;
  }
  .about-intro-img img {
    height: 220px;
  }
  .about-stats {
    flex-wrap: wrap;
    gap: 15px;
  }
  .about-stat-item .num {
    font-size: 28px;
  }
  .culture-section {
    padding: 50px 0;
  }
  .culture-card {
    padding: 25px 18px;
  }
  .culture-card h3 {
    font-size: 18px;
  }
  .culture-card p {
    font-size: 13px;
  }
  .rd-section {
    padding: 50px 0;
  }
  .rd-gallery {
    gap: 12px;
  }
  .rd-slider {
    height: 220px;
  }
  .rd-info {
    padding: 20px;
  }
  .rd-info-grid {
    gap: 20px;
  }
  .section-title h2 {
    font-size: 24px;
  }
  .not-found h1 {
    font-size: 60px;
  }
  .not-found p {
    font-size: 16px;
  }
  .pagination {
    gap: 5px;
  }
  .pagination a,
  .pagination span {
    padding: 6px 12px;
    font-size: 13px;
  }
}
@media (max-width: 480px) {
  .header-inner {
    height: 46px;
  }
  .logo {
    gap: 6px;
    margin-left: 5px;
  }
  .logo-icon {
    width: 28px;
  }
  .logo-text .cn {
    font-size: 12px;
  }
  .mobile-menu-btn {
    width: 22px;
    height: 16px;
  }
  .mobile-menu-btn.active span:nth-child(1) {
    transform: translateY(7px) rotate(45deg);
  }
  .mobile-menu-btn.active span:nth-child(3) {
    transform: translateY(-7px) rotate(-45deg);
  }
  .nav-drawer {
    width: 50vw;
  }
  .nav-drawer-menu a {
    padding: 14px 16px;
    font-size: 14px;
  }
  .banner-title {
    font-size: 22px;
  }
  .banner-subtitle {
    font-size: 14px;
    letter-spacing: 1px;
  }
  .banner-en {
    font-size: 30px;
    margin-bottom: -20px;
  }
  .banner-btn {
    padding: 7px 16px;
    font-size: 12px;
  }
  .banner-content {
    padding: 0 10px;
  }
  .sec-title {
    font-size: 20px;
  }
  .prod-grid {
    gap: 10px;
  }
  .prod-tabs {
    gap: 10px;
  }
  .prod-tabs a {
    font-size: 12px;
    padding: 10px 0;
  }
  .prod-name-bar {
    padding: 10px 12px;
    font-size: 13px;
  }
  .features-grid {
    gap: 15px;
  }
  .feature-icon {
    width: 38px;
    height: 38px;
    margin-bottom: 8px;
  }
  .feature-title {
    font-size: 14px;
  }
  .feature-desc {
    font-size: 10px;
  }
  .fields-grid {
    gap: 8px;
  }
  .field-name {
    font-size: 15px;
  }
  .about-stat-num {
    font-size: 24px;
  }
  .about-stat-label {
    font-size: 11px;
  }
  .cta-section {
    padding: 50px 0;
  }
  .cta-title {
    font-size: 20px;
  }
  .cta-btn {
    padding: 10px 24px;
    font-size: 13px;
  }
  .sec-more {
    padding: 8px 18px;
    font-size: 13px;
  }
  .page-banner {
    height: 180px;
  }
  .page-banner-title h1 {
    font-size: 20px;
  }
  .products-list-grid,
  .cases-grid {
    gap: 10px;
  }
  .product-item-body h3 {
    font-size: 13px;
  }
  .case-card-body {
    padding: 15px;
  }
  .case-card-body h3 {
    font-size: 13px;
  }
  .case-card-img {
    height: 150px;
  }
  .product-detail-main-img .swiper-slide img {
    height: 180px;
  }
  .product-detail-info h1 {
    font-size: 18px;
  }
  .product-detail-content {
    padding: 20px 12px;
  }
  .spec-row {
    flex-direction: column;
    gap: 3px;
  }
  .spec-row .label {
    width: auto;
    font-weight: 500;
  }
  .case-detail-info {
    padding: 15px;
  }
  .case-detail-top h1 {
    font-size: 18px;
  }
  .case-detail-meta-grid {
    grid-template-columns: 1fr;
    gap: 10px;
  }
  .case-detail-main-img img {
    height: 180px;
  }
  .case-detail-body {
    padding: 0 15px 15px;
  }
  .case-detail-body h2 {
    font-size: 16px;
  }
  .case-images-grid {
    gap: 8px;
  }
  .case-images-grid img {
    height: 120px;
  }
  .case-detail-cta {
    padding: 20px;
  }
  .case-detail-cta h3 {
    font-size: 16px;
  }
  .case-detail-cta p {
    font-size: 13px;
  }
  .news-detail-article {
    padding: 15px;
  }
  .news-detail-header h1 {
    font-size: 18px;
  }
  .article-img img {
    height: 160px;
  }
  .article-body {
    font-size: 14px;
  }
  .article-body h3 {
    font-size: 16px;
  }
  .contact-form-box {
    padding: 15px;
  }
  .contact-form-box h2 {
    font-size: 18px;
  }
  .contact-info-panel {
    padding: 20px 15px;
  }
  .contact-info-item {
    gap: 12px;
    margin-bottom: 20px;
  }
  .contact-map {
    height: 180px;
  }
  .culture-grid {
    grid-template-columns: 1fr;
    gap: 15px;
  }
  .culture-card {
    padding: 20px 15px;
  }
  .about-intro-img img {
    height: 180px;
  }
  .rd-slider {
    height: 180px;
  }
  .footer {
    padding: 35px 0 0;
  }
  .footer-title {
    font-size: 14px;
    margin-bottom: 12px;
  }
  .footer-bottom {
    padding: 15px 0;
    font-size: 11px;
  }
}