:root {
  --primary-color: #00677F;
  --primary-dark: #00505F;
  --secondary-color: #4A4A4A;
  --accent-color: #E4B142;
  --text-primary: #1A1A1A;
  --text-secondary: #4A4A4A;
  --bg-primary: #FFFFFF;
  --bg-secondary: #F8F8F8;
  --border-color: #E5E5E5;
  --shadow-color: rgba(0, 0, 0, 0.08);
  --success-color: #3C8C6C;
  --error-color: #D9534F;
  --transition-normal: all 0.3s ease;
  --header-height: 80px;
  --icon-color: #e2e8f0;
  --a-hover: #F0AF6A;
}

[data-theme="dark"] {
  --primary-color: #00A7C8;
  --primary-dark: #0097B7;
  --secondary-color: #94a3b8;
  --accent-color: #F0C66E;
  --text-primary: #ffffff;
  --text-secondary: #e2e8f0;
  --bg-primary: #121212;
  --bg-secondary: #1E1E1E;
  --border-color: #2C2C2C;
  --shadow-color: rgba(0, 0, 0, 0.5);
  --success-color: #34d399;
  --error-color: #f87171;
  --icon-color: #ffffff;
  --a-hover: #F0AFFF;
}

/* Reset & Base Styles */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  color: var(--text-primary);
  background-color: var(--bg-primary);
  line-height: 1.6;
  transition: var(--transition-normal);
  background-image: none;
}

a {
  text-decoration: none;
  color: var(--primary-color);
  transition: var(--transition-normal);
}

a:hover {
  color: var(--primary-dark);
}

img {
  max-width: 100%;
  height: auto;
  object-fit: cover;
  display: block;
}

/* Layout Components */
.container {
  width: 100%;
  padding-right: 15px;
  padding-left: 15px;
  margin-right: auto;
  margin-left: auto;
  position: relative;
  z-index: 1;
}

.row {
  display: flex;
  flex-wrap: wrap;
  margin-right: -15px;
  margin-left: -15px;
}

.col {
  position: relative;
  width: 100%;
  padding-right: 10px;
  padding-left: 10px;
  padding-bottom: 30px;
}

/* Responsive columns */
.col-xs-12 { flex: 0 0 100%; max-width: 100%; }
.col-xs-6 { flex: 0 0 50%; max-width: 50%; }
.col-xs-4 { flex: 0 0 33.333333%; max-width: 33.333333%; }
.col-xs-3 { flex: 0 0 25%; max-width: 25%; }

@media (min-width: 576px) {
  .col-sm-6 {
    flex: 0 0 50%;
    max-width: 50%;
  }
}

@media (min-width: 768px) {
  .col-md-4 {
    flex: 0 0 33.333333%;
    max-width: 33.333333%;
  }
  .col-md-3 {
    flex: 0 0 25%;
    max-width: 25%;
  }
  .col-md-6 {
    flex: 0 0 50%;
    max-width: 50%;
  }
}

@media (min-width: 992px) {
  .col-lg-3 { flex: 0 0 25%; max-width: 25%; }
}

@media (min-width: 1200px) {
  .col-xl-3 { flex: 0 0 25%; max-width: 25%; }
}

/* Header */
.site-header {
  position: sticky;
  top: 0;
  background: #336B87;  /* 经典深蓝色调，类似LinkedIn、Facebook等专业网站的风格 */
  box-shadow: 0 5px 20px rgba(0, 0, 0, 0.05);
  border-bottom: 1px solid rgba(0, 103, 127, 0.1);
  z-index: 100;
  transition: var(--transition-normal);
  padding: 0.6rem 0;
  position: relative;
}

.site-header::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-image: url("data:image/svg+xml,%3Csvg width='60' height='60' viewBox='0 0 60 60' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='none' fill-rule='evenodd'%3E%3Cg fill='%2300677F' fill-opacity='0.05'%3E%3Cpath d='M36 34v-4h-2v4h-4v2h4v4h2v-4h4v-2h-4zm0-30V0h-2v4h-4v2h4v4h2V6h4V4h-4zM6 34v-4H4v4H0v2h4v4h2v-4h4v-2H6zM6 4V0H4v4H0v2h4v4h2V6h4V4H6z'/%3E%3C/g%3E%3C/g%3E%3C/svg%3E");
  opacity: 0.8;
  z-index: -1;
}

.site-header::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: radial-gradient(circle at 75% 40%, rgba(0, 103, 127, 0.1) 0%, transparent 60%);
  z-index: -1;
}

.header-main {
  display: flex;
  justify-content: space-between;
  align-items: center;
  position: relative;
  overflow: hidden;
}

.header-main::before {
  content: '';
  position: absolute;
  top: -15px;
  right: 15%;
  width: 80px;
  height: 4px;
  background: linear-gradient(90deg, var(--primary-color), transparent);
  transform: rotate(-35deg);
  opacity: 0.4;
}

.header-main::after {
  content: '';
  position: absolute;
  bottom: -15px;
  left: 25%;
  width: 40px;
  height: 2px;
  background: linear-gradient(90deg, transparent, var(--accent-color));
  transform: rotate(45deg);
  opacity: 0.2;
}

.site-logo img {
  height: 80px;
  transition: var(--transition-normal);
}

.site-logo img:hover {
  transform: scale(1.05);
}

.contact-info {
  display: flex;
  flex-direction: column;
  align-items: flex-end;
}

.contact-item {
  display: flex;
  align-items: center;
  margin-bottom: 0.5rem;
}

.contact-item i {
  margin-right: 0.5rem;
  color: var(--icon-color);
}

.contact-item a {
  color: var(--text-primary);
  margin-right: 1rem;
}

.contact-item a:hover {
  color: var(--a-hover);
}

/* Navigation */
.nav-container {
  background: linear-gradient(to right, #f0f4f5 0%, #f0f4f5 90%, rgba(228, 177, 66, 0.1) 100%);
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.05);
  position: relative;
  z-index: 99;
}

.nav-container::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 1px;
  background: linear-gradient(to right, transparent, rgba(0, 103, 127, 0.1), transparent);
}

.main-nav {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.nav-menu {
  display: flex;
  list-style: none;
}

.nav-menu li {
  position: relative;
}

.nav-menu > li > a {
  display: block;
  padding: 1rem;
  color: var(--text-primary);
  font-weight: 400;
  letter-spacing: 0.5px;
  text-transform: uppercase;
  transition: var(--transition-normal);
}

.nav-menu > li > a:hover,
.nav-menu > li.active > a {
  color: var(--primary-color);
}

/* Dropdown Menu */
.nav-menu li ul {
  position: absolute;
  left: 0;
  top: 100%;
  background-color: var(--bg-primary);
  box-shadow: 0 5px 15px var(--shadow-color);
  min-width: 220px;
  width: auto;
  opacity: 0;
  visibility: hidden;
  transform: translateY(10px);
  transition: var(--transition-normal);
  z-index: 99;
  list-style: none;
  border-radius: 0.375rem;
}

.nav-menu li:hover > ul {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.nav-menu li ul li {
  border-bottom: 1px solid var(--border-color);
}

.nav-menu li ul li:last-child {
  border-bottom: none;
}

.nav-menu li ul li a {
  display: block;
  padding: 0.75rem 1rem;
  color: var(--text-primary);
  transition: var(--transition-normal);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.nav-menu li ul li a:hover {
  background-color: var(--bg-secondary);
  color: var(--primary-color);
}

/* Search Form */
.search-form {
  display: flex;
  height: 40px;
  position: relative;
}

.search-form input[type="text"] {
  width: 100%;
  height: 100%;
  border: 1px solid var(--border-color);
  border-radius: 2px;
  padding: 0 40px 0 15px;
  background-color: var(--bg-secondary);
  color: var(--text-primary);
  transition: var(--transition-normal);
}

.search-form input[type="text"]:focus {
  border-color: var(--primary-color);
  box-shadow: 0 0 0 2px rgba(74, 183, 189, 0.3);
}

.search-form button {
  position: absolute;
  right: 0;
  top: 0;
  height: 100%;
  width: 40px;
  background: none;
  border: none;
  color: var(--secondary-color);
  cursor: pointer;
  transition: var(--transition-normal);
}

.search-form button:hover {
  color: var(--primary-color);
}

/* Mobile Navigation Toggle */
.menu-toggle {
  display: none;
  flex-direction: column;
  justify-content: space-between;
  width: 30px;
  height: 21px;
  cursor: pointer;
  z-index: 200;
}

.menu-toggle span {
  display: block;
  height: 3px;
  width: 100%;
  background-color: var(--text-primary);
  border-radius: 3px;
  transition: var(--transition-normal);
}

.menu-toggle.active span:nth-child(1) {
  transform: translateY(9px) rotate(45deg);
}

.menu-toggle.active span:nth-child(2) {
  opacity: 0;
}

.menu-toggle.active span:nth-child(3) {
  transform: translateY(-9px) rotate(-45deg);
}

/* Hero Section */
.hero-section {
  position: relative;
  /*margin-bottom: 0;
  overflow: hidden;
  min-height: 400px;*/
}

.hero-section .swiper-container {
  border-radius: 0;
  box-shadow: none;
  margin: 0 auto;
  min-height: 596px;
  max-height: 600px;
}

.hero-section .swiper-slide {
  min-height: 400px;
}

.hero-section .swiper-slide img {
  width: 100%;
  min-height: 400px;
  max-height: 600px;
  object-fit: cover;
  display: block;
}

.swiper-pagination {
  position: absolute;
  bottom: 20px;
  width: 100%;
  display: flex;
  justify-content: center;
  gap: 10px;
}

.swiper-pagination-bullet {
  width: 10px;
  height: 10px;
  background: #fff;
  opacity: 0.5;
}

.swiper-pagination-bullet-active {
  opacity: 1;
  background: var(--primary-color);
}

.swiper-button-prev,
.swiper-button-next {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  width: 40px;
  height: 40px;
  background-color: rgba(0, 0, 0, 0.3);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  z-index: 10;
  transition: var(--transition-normal);
}

.swiper-button-prev:hover,
.swiper-button-next:hover {
  background-color: rgba(255, 255, 255, 0.8);
}

.swiper-button-prev:after,
.swiper-button-next:after {
  font-size: 18px;
}

/* Section Headings */
.section-title {
  font-size: 32px;
  font-weight: 300;
  letter-spacing: 0.5px;
  text-transform: uppercase;
  text-align: center;
  margin-bottom: 40px;
  position: relative;
  color: var(--text-primary);
}

.section-title:after {
  content: '';
  display: block;
  width: 60px;
  height: 2px;
  background: var(--primary-color);
  margin: 15px auto 0;
}

/* Products Section */
.products-section {
  padding: 80px 0;
  background-color: var(--bg-primary);
  position: relative;
  border-top: 1px solid rgba(0, 103, 127, 0.1);
  border-bottom: 1px solid rgba(0, 103, 127, 0.1);
}

.products-section::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-image: linear-gradient(to right, rgba(0, 103, 127, 0.03) 1px, transparent 1px),
                    linear-gradient(to bottom, rgba(0, 103, 127, 0.03) 1px, transparent 1px);
  background-size: 20px 20px;
  pointer-events: none;
}

.product-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
}

.product-card {
  margin-bottom: 30px;
  transition: all 0.3s ease;
  height: 100%;
  display: flex;
  flex-direction: column;
  background-color: var(--bg-primary);
  border: none;
  border-radius: 4px;
  overflow: hidden;
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.05);
  position: relative;
}

.product-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 4px;
  background: linear-gradient(to right, var(--primary-color), var(--accent-color));
  opacity: 0;
  transition: opacity 0.3s ease;
}

.product-card:hover::before {
  opacity: 1;
}

.product-card a {
  display: flex;
  flex-direction: column;
  height: 100%;
  text-decoration: none;
  color: inherit;
}

.product-image {
  position: relative;
  overflow: hidden;
  height: 0;
  padding-bottom: 75%;
  background-color: #f2f2f2;
  border-radius: 0;
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.05);
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.product-image img {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  object-fit: contain;
  padding: 12px;
  transition: transform 0.5s ease, opacity 0.5s ease;
}

.product-card:hover .product-image {
  box-shadow: 0 10px 25px rgba(0, 0, 0, 0.1);
  transform: translateY(-5px);
}

.product-info {
  padding: 15px;
  flex-grow: 1;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}

.product-title {
  font-size: 16px;
  font-weight: 500;
  letter-spacing: 0.2px;
  margin: 0;
  line-height: 1.4;
  color: var(--text-primary);
  height: 45px;
  overflow: hidden;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  text-overflow: ellipsis;
}

.product-description {
  color: var(--text-secondary);
  margin-bottom: 1rem;
}

/* about Section */
.about-section {
  padding: 80px 0;
  background-color: var(--bg-primary);
  position: relative;
  border-top: 1px solid rgba(0, 103, 127, 0.1);
  border-bottom: 1px solid rgba(0, 103, 127, 0.1);
}

.about-section .container{
  padding: 0 5% 0 5%;
}

.about-section .container p{
  text-align: center;
  color: var(--primary-color);
}

/*.about-section::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-image: linear-gradient(to right, rgba(0, 103, 127, 0.03) 1px, transparent 1px),
                    linear-gradient(to bottom, rgba(0, 103, 127, 0.03) 1px, transparent 1px);
  background-size: 20px 20px;
  pointer-events: none;
}*/

.about-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 20px;
  margin-top: 30px;
}

.about-card {
  transition: all 0.3s ease;
  height: 100%;
  display: flex;
  flex-direction: column;
  background-color: var(--bg-primary);
  border: none;
  border-radius: 4px;
  overflow: hidden;
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.05);
  position: relative;
}

.about-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 4px;
  background: linear-gradient(to right, var(--primary-color), var(--accent-color));
  opacity: 0;
  transition: opacity 0.3s ease;
}

.about-card:hover::before {
  opacity: 1;
}

.about-card a {
  display: flex;
  flex-direction: column;
  height: 100%;
  text-decoration: none;
  color: inherit;
}

.about-image {
  position: relative;
  overflow: hidden;
  height: 0;
  padding-bottom: 75%;
  background-color: #f2f2f2;
  border-radius: 0;
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.05);
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.about-card div{
  position: absolute;
  text-align: center;
  bottom: 10px;
  width: 100%;
  color: white;
  font-size: 20px;
  font-weight: 800;
  text-shadow: 0 0 3px black, 0 0 3px black, 0 0 3px black;
}

.about-image img {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  object-fit: contain;
  padding: 12px;
  transition: transform 0.5s ease, opacity 0.5s ease;
}

.about-card:hover .about-image {
  box-shadow: 0 10px 25px rgba(0, 0, 0, 0.1);
  transform: translateY(-5px);
}

.about-info {
  padding: 15px;
  flex-grow: 1;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}

.about-title {
  font-size: 16px;
  font-weight: 500;
  letter-spacing: 0.2px;
  margin: 0;
  line-height: 1.4;
  color: var(--text-primary);
  height: 45px;
  overflow: hidden;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  text-overflow: ellipsis;
}

.about-description {
  color: var(--text-secondary);
  margin-bottom: 1rem;
}

/* Advantages Section */
.advantages-section {
  padding: 4rem 0;
  background: linear-gradient(180deg, #f0f4f5 0%, #f8f9fa 100%);
  border-top: 1px solid rgba(0, 103, 127, 0.08);
  border-bottom: 1px solid rgba(0, 103, 127, 0.08);
  position: relative;
}

.advantages-section::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  height: 100%;
  width: 100%;
  background: radial-gradient(circle at 10% 30%, rgba(0, 103, 127, 0.05), transparent 60%);
}

.advantages-section .container {
  max-width: 1200px;
  width: 95%;
  margin: 0 auto;
  padding: 0 15px;
}

.advantages-section .row {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
  margin: 0 auto;
  justify-content: center;
}

.advantages-section .col {
  padding: 0;
  width: 100%;
}

.advantage-card {
  height: 100%;
  border-radius: 4px;
  overflow: hidden;
  box-shadow: 0 5px 15px rgba(0, 0, 0, 0.05);
  transition: transform 0.3s ease, box-shadow 0.3s ease;
  margin-bottom: 0;
  background-color: var(--bg-primary);
  display: flex;
  flex-direction: column;
  border: none;
}

.advantage-card:hover {
  transform: translateY(-5px);
  box-shadow: 0 10px 25px rgba(0, 0, 0, 0.1);
}

.advantage-card:hover .advantage-image img {
  transform: scale(1.1);
}

.advantage-card:hover .advantage-link {
  transform: translateY(0);
}

.advantage-header {
  padding: 12px 15px;
  background-color: var(--bg-secondary);
  font-weight: 400;
  text-align: center;
  border-bottom: 1px solid var(--border-color);
  color: var(--text-primary);
  flex-shrink: 0;
  height: 50px;
  display: flex;
  align-items: center;
  justify-content: center;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  font-size: 15px;
}

.advantage-image {
  position: relative;
  overflow: hidden;
  flex-grow: 1;
  aspect-ratio: 4/3;
}

.advantage-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.3s ease;
}

.advantage-link {
  position: absolute;
  bottom: 0;
  left: 0;
  width: 100%;
  background-color: rgba(0, 0, 0, 0.7);
  color: white;
  text-align: center;
  padding: 8px 0;
  transform: translateY(100%);
  transition: transform 0.3s ease;
}

.advantages-section a {
  display: block;
  height: 100%;
  text-decoration: none;
  color: inherit;
}

/* Exhibition Section */
.exhibition-section {
  margin: 0;
  background: linear-gradient(180deg, #ffffff 0%, #f2f7f8 100%);
  padding: 60px 0;
  border-top: 1px solid rgba(0, 103, 127, 0.05);
  border-bottom: 1px solid rgba(0, 103, 127, 0.05);
  position: relative;
}

.exhibition-section::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-image: url("data:image/svg+xml,%3Csvg width='100' height='100' viewBox='0 0 100 100' xmlns='http://www.w3.org/2000/svg'%3E%3Cpath d='M11 18c3.866 0 7-3.134 7-7s-3.134-7-7-7-7 3.134-7 7 3.134 7 7 7zm48 25c3.866 0 7-3.134 7-7s-3.134-7-7-7-7 3.134-7 7 3.134 7 7 7zm-43-7c1.657 0 3-1.343 3-3s-1.343-3-3-3-3 1.343-3 3 1.343 3 3 3zm63 31c1.657 0 3-1.343 3-3s-1.343-3-3-3-3 1.343-3 3 1.343 3 3 3zM34 90c1.657 0 3-1.343 3-3s-1.343-3-3-3-3 1.343-3 3 1.343 3 3 3zm56-76c1.657 0 3-1.343 3-3s-1.343-3-3-3-3 1.343-3 3 1.343 3 3 3zM12 86c2.21 0 4-1.79 4-4s-1.79-4-4-4-4 1.79-4 4 1.79 4 4 4zm28-65c2.21 0 4-1.79 4-4s-1.79-4-4-4-4 1.79-4 4 1.79 4 4 4zm23-11c2.76 0 5-2.24 5-5s-2.24-5-5-5-5 2.24-5 5 2.24 5 5 5zm-6 60c2.21 0 4-1.79 4-4s-1.79-4-4-4-4 1.79-4 4 1.79 4 4 4zm29 22c2.76 0 5-2.24 5-5s-2.24-5-5-5-5 2.24-5 5 2.24 5 5 5zM32 63c2.76 0 5-2.24 5-5s-2.24-5-5-5-5 2.24-5 5 2.24 5 5 5zm57-13c2.76 0 5-2.24 5-5s-2.24-5-5-5-5 2.24-5 5 2.24 5 5 5zm-9-21c1.105 0 2-.895 2-2s-.895-2-2-2-2 .895-2 2 .895 2 2 2zM60 91c1.105 0 2-.895 2-2s-.895-2-2-2-2 .895-2 2 .895 2 2 2zM35 41c1.105 0 2-.895 2-2s-.895-2-2-2-2 .895-2 2 .895 2 2 2zM12 60c1.105 0 2-.895 2-2s-.895-2-2-2-2 .895-2 2 .895 2 2 2z' fill='%2300677f' fill-opacity='0.02' fill-rule='evenodd'/%3E%3C/svg%3E");
  opacity: 0.8;
  z-index: 0;
}

.exhibition-slider {
  padding: 10px 0 40px;
  position: relative;
  z-index: 1;
}

.exhibition-slide {
  border-radius: 8px;
  overflow: hidden;
  box-shadow: 0 3px 15px rgba(0, 0, 0, 0.08);
  transform: translateZ(0);
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.exhibition-slide:hover {
  transform: translateY(-5px);
  box-shadow: 0 10px 25px rgba(0, 0, 0, 0.12);
}

.exhibition-header {
  background-color: var(--primary-color);
  color: white;
  padding: 10px 15px;
  text-align: center;
  font-weight: 600;
  position: relative;
  overflow: hidden;
}

.exhibition-header::after {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: linear-gradient(90deg, 
    rgba(255,255,255,0) 0%, 
    rgba(255,255,255,0.1) 50%, 
    rgba(255,255,255,0) 100%);
  transform: translateX(-100%);
  animation: shimmer 3s infinite;
}

.exhibition-slide img {
  width: 100%;
  height: auto;
  aspect-ratio: 4/3;
  object-fit: cover;
  display: block;
  transition: transform 0.5s ease;
}

.exhibition-slide:hover img {
  transform: scale(1.05);
}

/* Stats Section */
.stats-section {
  padding: 4rem 0;
  background-color: #f8fafc;
  position: relative;
  z-index: 1;
}

.stats-section::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: linear-gradient(135deg, rgba(228, 177, 66, 0.05) 0%, transparent 70%);
  z-index: -1;
}

.stat-card {
  background-color: var(--bg-primary);
  border: none;
  border-radius: 2px;
  text-align: center;
  height: 100%;
  box-shadow: 0 3px 15px rgba(0, 0, 0, 0.05);
  transition: transform 0.3s ease;
}

.stat-card:hover {
  transform: translateY(-8px);
}

.stat-title {
  letter-spacing: 0.5px;
  padding: 10px 0 10px 0;
  font-weight: 300;
  font-size: 16px;
  color: var(--bg-primary);
  background: var(--primary-color);
}

.stat-value {
  font-size: 48px;
  font-weight: 200;
  margin-bottom: 5px;
  color: var(--text-primary);
}

.stat-description {
  font-size: 16px;
  color: var(--text-secondary);
}

/* About & Contact Section */
.split-section {
  margin: 0;
  background: linear-gradient(180deg, #f2f5f6 0%, #ffffff 100%);
  padding: 60px 0;
  border-top: 1px solid rgba(0, 103, 127, 0.05);
  border-bottom: 1px solid rgba(0, 103, 127, 0.05);
  position: relative;
}
.split-section .container{
  padding: 0 5% 0 5%;
}
.split-section::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-image: url("data:image/svg+xml,%3Csvg width='84' height='48' viewBox='0 0 84 48' xmlns='http://www.w3.org/2000/svg'%3E%3Cpath d='M0 0h12v6H0V0zm28 8h12v6H28V8zm14-8h12v6H42V0zm14 0h12v6H56V0zm0 8h12v6H56V8zM42 8h12v6H42V8zm0 16h12v6H42v-6zm14-8h12v6H56v-6zm14 0h12v6H70v-6zm0-16h12v6H70V0zM28 32h12v6H28v-6zM14 16h12v6H14v-6zM0 24h12v6H0v-6zm0 8h12v6H0v-6zm14 0h12v6H14v-6zm14 8h12v6H28v-6zm-14 0h12v6H14v-6zm28 0h12v6H42v-6zm14-8h12v6H56v-6zm0-8h12v6H56v-6zm14 8h12v6H70v-6zm0 8h12v6H70v-6zM14 24h12v6H14v-6zm14-8h12v6H28v-6zM14 8h12v6H14V8zM0 8h12v6H0V8z' fill='%2300677F' fill-opacity='0.02' fill-rule='evenodd'/%3E%3C/svg%3E");
  opacity: 0.7;
}

.split-container {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 20px;
  margin: 0;
}

.split-content {
  flex: 1;
  min-width: 300px;
  padding: 30px 30px 0 30px;
  background: #fff;
  border-radius: 4px;
  box-shadow: 0 5px 20px rgba(0, 0, 0, 0.05);
}

.split-picture{
  padding : 0;
}

.split-picture img{
  width: 100%;
  height: 100%;
  object-position: left;
}

.split-title {
  font-weight: 300;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  font-size: 24px;
  font-weight: 700;
  color: var(--primary-color);
  margin-bottom: 20px;
  padding-bottom: 12px;
  border-bottom: 2px solid var(--border-color);
}
.split-intro p {
    color: var(--primary-color);
}

.contact-form {
  margin-top: 1.5rem;
}

.form-group {
  margin-bottom: 1rem;
}

.form-control {
  display: block;
  width: 100%;
  padding: 0.7rem 1rem;
  font-size: 14px;
  line-height: 1.5;
  color: #495057;
  background-color: #fff;
  background-clip: padding-box;
  border: 1px solid var(--border-color);
  border-radius: 2px;
  transition: all 0.3s ease;
}

.form-control:focus {
  transform: translateY(-2px);
}

textarea.form-control {
  height: auto;
  min-height: 140px;
  font-family: 'Inter';
}

.btn {
  font-weight: 500;
  letter-spacing: 0.5px;
  text-transform: uppercase;
  padding: 0.6rem 1.5rem;
  background-color: var(--primary-color);
  color: white;
  border: none;
  border-radius: 2px;
  transition: all 0.3s ease;
}

div.split-content .btn{
  margin-top:20px;
  display: inline-block;
}

div.split-content .btn:hover{
  color: #ffffff;
}

.btn:hover {
  background-color: var(--primary-dark);
  transform: translateY(-2px);
  box-shadow: 0 4px 8px rgba(0, 0, 0, 0.1);
}

/* About Company Section */
.about-company-section {
  margin: 0;
  padding: 60px 0;
  background: linear-gradient(to right, #f5f8f9 0%, #ffffff 50%, #f5f8f9 100%);
  position: relative;
  border-top: 1px solid rgba(0, 103, 127, 0.05);
  border-bottom: 1px solid rgba(0, 103, 127, 0.05);
}

.about-company-section::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='4' height='4' viewBox='0 0 4 4'%3E%3Cpath fill='%2300677f' fill-opacity='0.03' d='M1 3h1v1H1V3zm2-2h1v1H3V1z'%3E%3C/path%3E%3C/svg%3E");
}

.about-company-img {
  margin-bottom: 25px;
  border-radius: 8px;
  overflow: hidden;
  box-shadow: 0 3px 15px rgba(0, 0, 0, 0.08);
}

.about-company-img img {
  width: 100%;
  height: auto;
  object-fit: cover;
}

.about-content {
  max-height: 250px;
  overflow: hidden;
  position: relative;
  transition: max-height 0.5s ease;
}

.about-content.expanded {
  max-height: 2000px;
}

.about-content p {
  margin-bottom: 15px;
  line-height: 1.6;
  color: var(--text-primary);
}

.about-toggle {
  display: block;
  margin: 20px auto 0;
  padding: 8px 25px;
  background-color: var(--primary-color);
  color: white;
  border: none;
  border-radius: 2px;
  font-size: 13px;
  font-weight: 400;
  cursor: pointer;
  transition: background-color 0.3s;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.about-toggle:hover {
  background-color: var(--primary-dark);
}

/* Footer */
.site-footer {
  background-color: #212121;
  padding: 60px 0 0;
  border-top: none;
  color: #FFFFFF;
}

.footer-content {
  margin-bottom: 40px;
}

.footer-row {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 30px;
}

.footer-info{
  margin : 0 10% 0 10%
}

.footer-links{
  margin : 0 0 0 30%
}

.footer-col {
  display: flex;
  flex-direction: column;
}

.footer-logo {
  margin-bottom: 20px;
}

.footer-logo img {
  height: 40px;
  width: auto;
}

.footer-desc {
  margin-bottom: 20px;
  font-size: 14px;
  line-height: 1.6;
  color: #BBBBBB;
}

.footer-social {
  display: flex;
  display: none;
  gap: 15px;
  margin-bottom: 25px;
}

.footer-social a {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  border-radius: 50%;
  color: #fff;
  font-size: 16px;
  background-color: rgba(255, 255, 255, 0.1);
  transition: all 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
  position: relative;
  overflow: hidden;
  z-index: 1;
}

.footer-social a::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: var(--primary-color);
  transform: scale(0);
  transition: transform 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
  z-index: -1;
  border-radius: 50%;
}

.footer-social a:hover {
  transform: translateY(-5px);
  box-shadow: 0 5px 15px rgba(0, 0, 0, 0.3);
  color: #fff;
}

.footer-social a:hover::before {
  transform: scale(1);
}

/* 社交媒体品牌特定颜色 */
.footer-social a.facebook:hover::before {
  background: #1877F2;
}

.footer-social a.twitter:hover::before {
  background: #1DA1F2;
}

.footer-social a.instagram:hover::before {
  background: linear-gradient(45deg, #f09433 0%, #e6683c 25%, #dc2743 50%, #cc2366 75%, #bc1888 100%);
}

.footer-social a.linkedin:hover::before {
  background: #0A66C2;
}

.footer-social a.youtube:hover::before {
  background: #FF0000;
}

/* 社交媒体图标波纹效果 */
.footer-social a::after {
  content: '';
  position: absolute;
  top: 50%;
  left: 50%;
  width: 100%;
  height: 100%;
  background: rgba(255, 255, 255, 0.2);
  border-radius: 50%;
  transform: translate(-50%, -50%) scale(0);
  opacity: 0;
  transition: transform 0.6s, opacity 0.6s;
  z-index: -1;
}

.footer-social a:active::after {
  transform: translate(-50%, -50%) scale(1.5);
  opacity: 0;
  transition: 0s;
}

/* 添加简单的动画效果 */
@keyframes socialPulse {
  0% {
    box-shadow: 0 0 0 0 rgba(0, 103, 127, 0.3);
  }
  70% {
    box-shadow: 0 0 0 8px rgba(0, 103, 127, 0);
  }
  100% {
    box-shadow: 0 0 0 0 rgba(0, 103, 127, 0);
  }
}

/* 为图标添加微小的上下浮动动画 */
.footer-social a:nth-child(1) { animation: socialFloat 4s ease-in-out infinite; }
.footer-social a:nth-child(2) { animation: socialFloat 4s ease-in-out 0.2s infinite; }
.footer-social a:nth-child(3) { animation: socialFloat 4s ease-in-out 0.4s infinite; }
.footer-social a:nth-child(4) { animation: socialFloat 4s ease-in-out 0.6s infinite; }
.footer-social a:nth-child(5) { animation: socialFloat 4s ease-in-out 0.8s infinite; }

@keyframes socialFloat {
  0%, 100% {
    transform: translateY(0);
  }
  50% {
    transform: translateY(-5px);
  }
}

/* 暗色模式适配 */
[data-theme="dark"] .footer-social a {
  background-color: rgba(255, 255, 255, 0.05);
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.2);
}

[data-theme="dark"] .footer-social a:hover {
  box-shadow: 0 5px 15px rgba(0, 0, 0, 0.5);
}

/* 媒体查询适配 */
@media (max-width: 768px) {
  .footer-social {
    justify-content: center;
  }
  
  .footer-social a {
    width: 36px;
    height: 36px;
    font-size: 14px;
  }
}

.footer-title {
  color: #FFFFFF;
  font-weight: 300;
  letter-spacing: 1px;
  text-transform: uppercase;
  font-size: 16px;
  margin-bottom: 20px;
}

.footer-address p,
.footer-contact-info p {
  margin-bottom: 10px;
  display: flex;
  align-items: flex-start;
}

.footer-address p i,
.footer-contact-info p i {
  color: var(--primary-color);
  margin-right: 10px;
  margin-top: 4px;
}

.footer-address p span,
.footer-contact-info p span {
  font-weight: 600;
  margin-right: 5px;
}

.footer-menu {
  list-style: none;
  padding: 0;
}

.footer-menu li {
  margin-bottom: 10px;
}

.footer-contact-info a{
  color: #ffffff;
}

.footer-menu a {
  color: #BBBBBB;
  transition: all 0.3s ease;
  display: inline-block;
}

.footer-contact-info a:hover,.footer-menu a:hover {
  color: var(--primary-color);
}

.footer-form-group {
  display: flex;
  height: 44px;
  margin-bottom: 20px;
}

.footer-form-group input {
  flex: 1;
  height: 100%;
  border: 1px solid #e2e8f0;
  border-radius: 4px 0 0 4px;
  padding: 0 15px;
  font-size: 14px;
}

.footer-form-group button {
  width: 44px;
  height: 100%;
  background-color: var(--primary-color);
  color: white;
  border: none;
  border-radius: 0 4px 4px 0;
  cursor: pointer;
  transition: background-color 0.3s ease;
}

.footer-form-group button:hover {
  background-color: var(--primary-dark);
}

.footer-certified {
  display: flex;
  gap: 15px;
}

.footer-certified span {
  display: flex;
  align-items: center;
  font-size: 14px;
}

.footer-certified span i {
  color: var(--primary-color);
  margin-right: 5px;
}

.footer-bottom {
  background-color: #1A1A1A;
  padding: 20px 0;
  border-top: 1px solid #2A2A2A;
}

.footer-bottom-content {
  /*display: flex;
  justify-content: space-between;
  align-items: center;*/
  text-align: center;
}

.copyright {
  margin: 0;
  font-size: 14px;
  color: #BBBBBB;
}

.footer-payment {
  display: flex;
  align-items: center;
  gap: 10px;
}

.footer-payment span {
  font-size: 14px;
}

.footer-payment i {
  font-size: 24px;
  color: #BBBBBB;
}

/* 响应式页脚调整 */
@media (max-width: 992px) {
  .footer-row {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 576px) {
  .footer-row {
    grid-template-columns: 1fr;
  }
  
  .footer-bottom-content {
    flex-direction: column;
    gap: 15px;
  }
}

.mobile-actions {
  display: none;
  position: fixed;
  bottom: 0;
  left: 0;
  width: 100%;
  background-color: var(--bg-primary);
  box-shadow: 0 -2px 10px var(--shadow-color);
  z-index: 99;
}

.action-buttons {
  display: flex;
  justify-content: space-around;
  padding: 0.75rem 0;
}

.action-button {
  display: flex;
  flex-direction: column;
  align-items: center;
  color: var(--text-primary);
  font-size: 0.875rem;
}

.action-button i {
  font-size: 1.25rem;
  margin-bottom: 0.25rem;
  color: var(--primary-color);
}

.floating-actions {
  position: fixed;
  right: 1.5rem;
  bottom: 6rem;
  display: flex;
  flex-direction: column;
  gap: 1rem;
  z-index: 98;
}

.floating-action {
  width: 50px;
  height: 50px;
  background-color: var(--bg-primary);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--primary-color);
  box-shadow: 0 2px 10px var(--shadow-color);
  transition: var(--transition-normal);
}

.floating-action:hover {
  transform: translateY(-5px);
  box-shadow: 0 5px 15px var(--shadow-color);
}

.dark-mode-toggle {
  position: fixed;
  right: 1.5rem;
  top: 6rem;
  width: 40px;
  height: 40px;
  background-color: var(--bg-primary);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-primary);
  box-shadow: 0 3px 10px rgba(0, 0, 0, 0.1);
  cursor: pointer;
  transition: var(--transition-normal);
  z-index: 99;
  border: none;
}

.dark-mode-toggle:hover {
  background-color: var(--primary-color);
  color: white;
}

/* Responsive Styles */
@media (max-width: 1023px) {
  .container {
    max-width: 100%;
  }
}

@media (max-width: 767px) {
  .menu-toggle {
    display: flex;
  }
  
  .main-nav {
    position: fixed;
    top: var(--header-height);
    left: -100%;
    width: 80%;
    height: calc(100vh - var(--header-height));
    background-color: var(--bg-primary);
    padding: 0;
    overflow: hidden;
    z-index: 98;
    box-shadow: 5px 0 15px var(--shadow-color);
    transition: left 0.3s ease;
  }
  
  .main-nav.active {
    left: 0;
  }
  
  .nav-menu {
    position: relative;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: var(--bg-primary);
    flex-direction: column;
    padding: 20px 0;
    overflow-y: auto;
    margin: 0;
  }
  
  .nav-menu.active {
    left: 0;
  }
  
  .nav-menu li.has-dropdown > ul,
  .nav-menu li.has-dropdown > .mega-menu {
    display: none;
    opacity: 1;
    visibility: visible;
    transform: none;
    position: static;
    box-shadow: none;
    width: 100%;
    background-color: var(--bg-secondary);
    border-radius: 0;
    transition: none;
    padding: 0;
  }
  
  .nav-menu li.has-dropdown.active > ul,
  .nav-menu li.has-dropdown.active > .mega-menu {
    display: block;
  }
  
  .mega-menu {
    flex-direction: column;
    width: 100%;
    padding: 0 !important;
  }
  
  .mega-menu-column {
    width: 100%;
    padding: 0 0 0 20px;
    margin-bottom: 15px;
  }
  
  .mega-menu-column h3 {
    border-bottom: none;
    margin-bottom: 5px;
    padding: 10px 0 5px;
  }
  
  .nav-menu > li > a {
    padding: 12px 20px;
    border-bottom: 1px solid var(--border-color);
  }
  
  /*.nav-menu li.has-dropdown > a:after {
    content: '\f107';
    font-family: 'Font Awesome 5 Free';
    font-weight: 900;
    float: right;
    transition: transform 0.3s ease;
  }*/
  
  .nav-menu li.has-dropdown.active > a:after {
    transform: rotate(180deg);
  }
  
  .mobile-actions {
    display: block;
  }
  
  .dark-mode-toggle {
    top: 1.5rem;
  }
  
  .contact-info {
    display: none;
  }
  
  .about-content {
    max-height: 150px; /* Restrict height on mobile */
  }
  
  .about-toggle {
    display: block;
  }
  
  .section-title {
    font-size: 28px;
    margin-bottom: 25px;
  }
}

@media (max-width: 576px) {
  .section-title {
    font-size: 22px;
  }
  .hero-section .swiper-container {
    min-height: 400px;
  }  

  .advantage-header {
    font-size: 15px;
    padding: 10px;
  }
  
  .stat-card {
    padding: 20px 15px;
  }
  
  .stat-value {
    font-size: 36px;
  }
  
  .stat-title {
    font-size: 16px;
  }
  
  .about-content {
    max-height: 150px;
  }
}

/* Animations */
.fade-in {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

.fade-in.visible {
  opacity: 1;
  transform: translateY(0);
}

.slide-in-up {
  opacity: 0;
    transform: translateY(30px);
  transition: opacity 0.5s ease, transform 0.5s ease;
}

.slide-in-up.visible {
  opacity: 1;
  transform: translateY(0);
}

/* View All Products 按钮样式优化 */
.view-all-products {
  margin-top: 2.5rem;
  text-align: center;
}

.view-all-products .btn {
  min-width: 180px;
  padding: 12px 24px;
  font-weight: 600;
}

.view-all-products .btn:hover{
  color: #ffffff;
}

/* 响应式优化 */
@media (max-width: 992px) {
  .advantages-section .row {
    grid-template-columns: repeat(2, 1fr);
    gap: 15px;
    max-width: 700px;
  }
  
  .hero-section .swiper-container {
    max-height: 500px;
  }
  
  .hero-section .swiper-slide img {
    max-height: 500px;
  }
}

@media (max-width: 768px) {
  .hero-section .swiper-container,
  .hero-section .swiper-slide img {
    max-height: 400px;
  }
}

@media (max-width: 576px) {
  .advantages-section .row {
    grid-template-columns: repeat(1, 1fr);
    max-width: 350px;
  }
  
  .advantages-section .container {
    width: 90%;
  }
  
  .hero-section .swiper-container,
  .hero-section .swiper-slide img {
    max-height: 300px;
  }
}

/* 移动端遮罩层样式 */
.mobile-overlay {
  display: none;
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-color: rgba(0, 0, 0, 0.5);
  z-index: 97;
    opacity: 0;
  transition: opacity 0.3s ease;
}

.mobile-overlay.active {
  display: block;
  opacity: 1;
}

/* 修复下拉菜单样式 */
.nav-menu li.has-dropdown {
  position: relative;
}

.nav-menu li.has-dropdown > ul,
.nav-menu li.has-dropdown > .mega-menu {
  opacity: 0;
  visibility: hidden;
  transform: translateY(10px);
  transition: opacity 0.3s ease, transform 0.3s ease, visibility 0.3s ease;
  position: absolute;
  top: 100%;
  left: 0;
  right: auto;
  background-color: var(--bg-primary);
  box-shadow: 0 5px 15px var(--shadow-color);
  border-radius: 8px;
  z-index: 99;
  padding: 10px 0;
  min-width: 200px;
}

.nav-menu li.has-dropdown:hover > ul,
.nav-menu li.has-dropdown:hover > .mega-menu,
.nav-menu li.has-dropdown.hover > ul,
.nav-menu li.has-dropdown.hover > .mega-menu {
  opacity: 1;
  visibility: visible;
    transform: translateY(0);
}

/* 修复mega-menu样式 */
.mega-menu {
  display: flex;
  flex-wrap: wrap;
  width: auto;
  min-width: 500px;
  max-width: 800px;
  padding: 15px !important;
}

.mega-menu-column {
  flex: 1;
  min-width: 200px;
  padding: 0 15px;
}

.mega-menu-column h3 {
  color: var(--primary-color);
  font-size: 16px;
  margin-bottom: 10px;
  padding-bottom: 5px;
  border-bottom: 1px solid var(--border-color);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.mega-menu-column ul {
  list-style: none;
  padding: 0;
  margin: 0;
  position: static !important;
  opacity: 1 !important;
  visibility: visible !important;
  transform: none !important;
  box-shadow: none !important;
  width: 100%;
  min-width: auto;
}

.mega-menu-column ul li {
  border-bottom: none;
  margin-bottom: 5px;
}

.mega-menu-column ul li a {
  display: block;
  padding: 5px 0;
  color: var(--text-primary);
  font-size: 14px;
  transition: all 0.3s ease;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.mega-menu-column ul li a:hover {
  color: var(--primary-color);
  background: none;
  transform: translateX(3px);
}

/* 桌面端菜单位置优化 */
@media (min-width: 768px) {
  .nav-menu li.has-dropdown {
    position: relative;
  }
  
  /* 调整子菜单位置，避免溢出屏幕 */
  .nav-menu li:last-child > ul,
  .nav-menu li:nth-last-child(2) > ul {
    right: 0;
    left: auto;
  }
  
  /* 调整mega-menu位置 */
  .nav-menu li:nth-child(3) > .mega-menu {
    left: 50%;
    transform: translateX(-50%) translateY(10px);
  }
  
  .nav-menu li:nth-child(3):hover > .mega-menu,
  .nav-menu li:nth-child(3).hover > .mega-menu {
    transform: translateX(-50%) translateY(0);
  }
}

/* 移动端菜单样式 */
@media (max-width: 767px) {
  body.nav-open {
    overflow: hidden;
  }

  .split-container{
    display: flex;
    flex-wrap: wrap;
  }  

  .nav-menu {
    position: fixed;
    top: var(--header-height);
    left: -100%;
    width: 80%;
    height: calc(100vh - var(--header-height));
    background-color: var(--bg-primary);
    flex-direction: column;
    padding: 20px 0;
    overflow-y: auto;
    z-index: 98;
    box-shadow: 5px 0 15px var(--shadow-color);
    transition: left 0.3s ease;
  }
  
  .nav-menu.active {
    left: 0;
  }
  
  .nav-menu li.has-dropdown > ul,
  .nav-menu li.has-dropdown > .mega-menu {
    display: none;
    opacity: 1;
    visibility: visible;
    transform: none;
    position: static;
    box-shadow: none;
    width: 100%;
    background-color: var(--bg-secondary);
    border-radius: 0;
    transition: none;
    padding: 0;
  }
  
  .nav-menu li.has-dropdown.active > ul,
  .nav-menu li.has-dropdown.active > .mega-menu {
    display: block;
  }
  
  .mega-menu {
    flex-direction: column;
    width: 100%;
    padding: 0 !important;
  }
  
  .mega-menu-column {
    width: 100%;
    padding: 0 0 0 20px;
    margin-bottom: 15px;
  }
  
  .mega-menu-column h3 {
    border-bottom: none;
    margin-bottom: 5px;
    padding: 10px 0 5px;
  }
  
  .nav-menu > li > a {
    padding: 12px 20px;
    border-bottom: 1px solid var(--border-color);
  }
  
  /*.nav-menu li.has-dropdown > a:after {
    content: '\f107';
    font-family: 'Font Awesome 5 Free';
    font-weight: 900;
    float: right;
    transition: transform 0.3s ease;
  }*/
  
  .nav-menu li.has-dropdown.active > a:after {
    transform: rotate(180deg);
  }
}

/* 给暗色模式下的卡片增加更明显的边界 */
[data-theme="dark"] .product-card,
[data-theme="dark"] .advantage-card,
[data-theme="dark"] .stat-card {
  border: 1px solid var(--border-color);
  background-color: var(--bg-secondary);
}

/* 确保页脚在暗色模式下文本可见 */
[data-theme="dark"] .footer-title {
  color: #ffffff;
}

[data-theme="dark"] .footer-desc,
[data-theme="dark"] .footer-menu a,
[data-theme="dark"] .copyright {
  color: var(--text-secondary);
}

[data-theme="dark"] .footer-menu a:hover {
  color: var(--primary-color);
}

/* 优化搜索框在暗色模式下的外观 */
[data-theme="dark"] .search-form input[type="text"] {
  background-color: #2a3649;
  color: #ffffff;
  border-color: #3e4c64;
}

[data-theme="dark"] .search-form input[type="text"]::placeholder {
  color: #94a3b8;
}

/* 修复分割区域标题 */
.split-title {
  font-size: 24px;
  font-weight: 700;
  color: var(--primary-color);
  margin-bottom: 20px;
  padding-bottom: 12px;
  border-bottom: 2px solid var(--border-color);
}

/* 表单控件暗色模式优化 */
[data-theme="dark"] .form-control {
  background-color: #2a3649;
  color: #ffffff;
  border-color: #3e4c64;
}

[data-theme="dark"] .form-control:focus {
  background-color: #2a3649;
  color: #ffffff;
  border-color: var(--primary-color);
  box-shadow: 0 0 0 0.2rem rgba(59, 130, 246, 0.25);
}

/* 优化暗色模式下的卡片和内容区域 */
[data-theme="dark"] .advantage-card,
[data-theme="dark"] .product-card,
[data-theme="dark"] .stat-card,
[data-theme="dark"] .split-content,
[data-theme="dark"] .footer-social a {
  background-color: var(--bg-secondary);
}

/* 暗色模式下的图片和卡片边框优化 */
[data-theme="dark"] .product-image,
[data-theme="dark"] .about-company-img {
  background-color: #1e293b;
  border: 1px solid var(--border-color);
}

/* 暗色模式下的导航菜单悬停效果 */
[data-theme="dark"] .nav-menu li ul li a:hover {
  background-color: rgba(255, 255, 255, 0.05);
}

/* 暗色模式下的悬浮按钮 */
[data-theme="dark"] .floating-action {
  background-color: #1e293b;
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.3);
}

/* 暗色模式下轮播图导航按钮 */
[data-theme="dark"] .swiper-button-prev,
[data-theme="dark"] .swiper-button-next {
  background-color: rgba(255, 255, 255, 0.2);
  color: #ffffff;
}

[data-theme="dark"] .swiper-button-prev:hover,
[data-theme="dark"] .swiper-button-next:hover {
  background-color: rgba(255, 255, 255, 0.3);
}

/* 暗色模式下的页脚 */
[data-theme="dark"] .site-footer {
  background-color: var(--bg-secondary);
  border-top: 1px solid var(--border-color);
}

[data-theme="dark"] .footer-bottom {
  background-color: var(--bg-primary);
}

/* 暗色模式下的展览区标题 */
[data-theme="dark"] .exhibition-header {
  background-color: var(--primary-color);
}

/* 修复"关于我们"文本段落 */
.about-content p {
  margin-bottom: 15px;
  line-height: 1.6;
  color: var(--text-primary);
}

/* 淡入动画效果 */
@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(20px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.fade-in-element {
  animation: fadeInUp 0.8s ease forwards;
}

/* 高端品牌区域 */
.hero-section::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 100%;
  height: 1px;
  background: linear-gradient(to right, rgba(0, 103, 127, 0), rgba(0, 103, 127, 0.3), rgba(0, 103, 127, 0));
}

/* 产品卡片背景渐变 */
.product-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 4px;
  background: linear-gradient(to right, var(--primary-color), var(--accent-color));
  opacity: 0;
  transition: opacity 0.3s ease;
}

/* 页面分隔线设计 */
.section-divider {
  height: 1px;
  background: linear-gradient(to right, rgba(0, 0, 0, 0), rgba(0, 0, 0, 0.1), rgba(0, 0, 0, 0));
  margin: 60px auto;
  width: 80%;
  max-width: 1200px;
}

/* 菜单悬停效果 */
/*.nav-menu > li > a::after {
  content: '';
  position: absolute;
  bottom: 10px;
  left: 50%;
  right:15%;
  width: 0;
  height: 1px;
  background: var(--primary-color);
  transition: all 0.3s ease;
  transform: translateX(-50%);
}*/

.nav-menu > li > a {
  position: relative;
}

.nav-menu > li > a:hover::after,
.nav-menu > li.active > a::after {
  width: 30px;
}

/* 首屏大标题样式 */
.hero-title {
  font-size: 48px;
  font-weight: 200;
  letter-spacing: 1px;
  margin-bottom: 20px;
  color: var(--text-primary);
}

.hero-subtitle {
  font-size: 18px;
  font-weight: 300;
  margin-bottom: 30px;
  color: var(--text-secondary);
}

/* 交互元素焦点状态 */
a:focus, button:focus {
  outline: none;
  box-shadow: 0 0 0 2px rgba(0, 103, 127, 0.3);
}

/* 高端风格滚动条 */
::-webkit-scrollbar {
  width: 8px;
}

::-webkit-scrollbar-track {
  background: #f1f1f1;
}

::-webkit-scrollbar-thumb {
  background: var(--primary-color);
  border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
  background: var(--primary-dark);
}

/* 页面加载动画 */
@keyframes shimmer {
  0% {
    background-position: -100% 0;
  }
  100% {
    background-position: 100% 0;
  }
}

.loading-shimmer {
  background: linear-gradient(90deg, 
    rgba(255,255,255,0) 0%, 
    rgba(255,255,255,0.2) 50%, 
    rgba(255,255,255,0) 100%);
  background-size: 200% 100%;
  animation: shimmer 1.5s infinite;
}

/* 顶部品牌模式条 */
.brand-stripe {
  position: relative;
  height: 8px;
  background: linear-gradient(90deg, var(--primary-color) 0%, var(--accent-color) 50%, var(--primary-dark) 100%);
  overflow: hidden;
  z-index: 101;
}

.brand-stripe::after {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(90deg, 
      rgba(255,255,255,0) 0%, 
      rgba(255,255,255,0.5) 50%, 
      rgba(255,255,255,0) 100%);
  animation: stripe-shine 3s infinite linear;
}

@keyframes stripe-shine {
  0% { transform: translateX(0); }
  100% { transform: translateX(200%); }
}

/* 区块之间的优雅分隔器 */
.section-separator {
  position: relative;
  height: 70px;
  margin: 0;
  padding: 0;
  background: var(--bg-primary);
  overflow: hidden;
}

.section-separator::after {
  content: '';
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 80%;
  height: 1px;
  background: linear-gradient(to right, transparent, rgba(0, 103, 127, 0.1), transparent);
}

.section-separator::before {
  content: '';
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 30px;
  height: 30px;
  background-color: var(--bg-primary);
  border-radius: 50%;
  z-index: 1;
  box-shadow: 0 0 0 8px var(--bg-primary), 0 0 0 9px rgba(0, 103, 127, 0.05);
}

/* 暗色模式适配 */
[data-theme="dark"] .site-header {
  background: #1E4258;  /* 暗色模式下的深蓝色调 */
}

[data-theme="dark"] .site-header::before {
  opacity: 0.2;
}

[data-theme="dark"] .nav-container {
  background: linear-gradient(to right, #1a1a1a 0%, #1a1a1a 90%, rgba(240, 198, 110, 0.1) 100%);
}

[data-theme="dark"] .advantages-section {
  background: linear-gradient(180deg, #1a1a1a 0%, #141414 100%);
}

[data-theme="dark"] .exhibition-section {
  background: linear-gradient(180deg, #121212 0%, #1a1a1a 100%);
}

[data-theme="dark"] .exhibition-header {
  background-color: var(--primary-color);
}

[data-theme="dark"] .exhibition-slide {
  box-shadow: 0 3px 15px rgba(0, 0, 0, 0.2);
}

[data-theme="dark"] .exhibition-slide:hover {
  box-shadow: 0 10px 25px rgba(0, 0, 0, 0.3);
}

[data-theme="dark"] .stats-section {
  background-color: #141414;
}

[data-theme="dark"] .stats-section::before {
  background: linear-gradient(135deg, rgba(240, 198, 110, 0.05) 0%, transparent 70%);
}

[data-theme="dark"] .split-section {
  background: linear-gradient(180deg, #1a1a1a 0%, #121212 100%);
}

[data-theme="dark"] .about-company-section {
  background: linear-gradient(to right, #151515 0%, #121212 50%, #151515 100%);
}

[data-theme="dark"] .section-separator {
  background: var(--bg-primary);
}

[data-theme="dark"] .section-separator::before {
  background-color: var(--bg-primary);
  box-shadow: 0 0 0 8px var(--bg-primary), 0 0 0 9px rgba(0, 167, 200, 0.05);
}

[data-theme="dark"] .decoration-line.line-1 {
  background: linear-gradient(90deg, var(--primary-color), transparent);
  opacity: 0.2;
}

[data-theme="dark"] .decoration-line.line-2 {
  background: linear-gradient(90deg, var(--accent-color), transparent);
  opacity: 0.2;
}

[data-theme="dark"] .decoration-dot.dot-1 {
  background-color: var(--primary-color);
  opacity: 0.35;
}

[data-theme="dark"] .decoration-dot.dot-2 {
  background-color: var(--accent-color);
  opacity: 0.25;
}

/* 高端头部几何装饰 */
.header-decoration {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
  overflow: hidden;
  z-index: 0;
}

.decoration-line {
  position: absolute;
  opacity: 0.25;
  transition: all 0.5s ease;
}

.decoration-line.line-1 {
  width: 150px;
  height: 3px;
  top: 30px;
  right: 12%;
  background: linear-gradient(90deg, transparent, var(--primary-color));
  transform: rotate(-30deg);
  animation: float-slow 6s infinite ease-in-out;
}

.decoration-line.line-2 {
  width: 120px;
  height: 2px;
  bottom: 20px;
  left: 18%;
  background: linear-gradient(90deg, var(--accent-color), transparent);
  transform: rotate(25deg);
  animation: float-slow 8s infinite ease-in-out reverse;
}

.decoration-dot {
  position: absolute;
  border-radius: 50%;
  transition: all 0.5s ease;
}

.decoration-dot.dot-1 {
  width: 10px;
  height: 10px;
  background-color: var(--primary-color);
  top: 35px;
  right: 25%;
  opacity: 0.45;
  animation: pulse 4s infinite ease-in-out;
}

.decoration-dot.dot-2 {
  width: 15px;
  height: 15px;
  background-color: var(--accent-color);
  bottom: 15px;
  left: 12%;
  opacity: 0.35;
  animation: pulse 5s infinite ease-in-out 1s;
}

/* 动画效果 */
@keyframes float-slow {
  0%, 100% { transform: translateY(0) rotate(-30deg); }
  50% { transform: translateY(-8px) rotate(-30deg); }
}

@keyframes pulse {
  0%, 100% { transform: scale(1); opacity: 0.35; }
  50% { transform: scale(1.2); opacity: 0.5; }
}

/* Header滚动效果 */
.header-loaded {
  animation: fadeInDown 0.5s ease-in-out;
}

.header-scrolled {
  box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
  background: #336B87;  /* 与主header保持一致的背景色 */
}

@keyframes fadeInDown {
  from {
    opacity: 0;
    transform: translateY(-20px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* 媒体查询适配 */
@media (max-width: 768px) {
  .decoration-line.line-1 {
    width: 100px;
    right: 8%;
  }
  
  .decoration-line.line-2 {
    width: 80px;
    left: 10%;
  }
  
  .site-header .container::before,
  .site-header .container::after {
    display: none;
  }
}

/* 暗色模式 */
[data-theme="dark"] .site-header {
  background: linear-gradient(135deg, #121212 0%, #151515 55%, rgba(0, 167, 200, 0.15) 100%);
}

[data-theme="dark"] .site-header::before {
  opacity: 0.2;
}

[data-theme="dark"] .brand-stripe {
  background: linear-gradient(90deg, var(--primary-color) 0%, var(--accent-color) 50%, var(--primary-dark) 100%);
}

[data-theme="dark"] .header-scrolled {
  background: #1E4258;  /* 与暗色模式header保持一致 */
  box-shadow: 0 5px 15px rgba(0, 0, 0, 0.3);
}

.contact-item {
  display: flex;
  align-items: center;
  margin-bottom: 0.5rem;
}

/* 额外的装饰元素 */
.site-header .container {
  position: relative;
}

.site-header .container::before {
  content: '';
  position: absolute;
  top: -15px;
  right: 10px;
  width: 40px;
  height: 40px;
  border: 2px solid rgba(0, 103, 127, 0.1);
  border-radius: 50%;
  transform: scale(0.8);
  opacity: 0.6;
}

.site-header .container::after {
  content: '';
  position: absolute;
  bottom: -20px;
  left: 15%;
  width: 60px;
  height: 2px;
  background: linear-gradient(90deg, var(--accent-color), transparent);
  transform: rotate(-15deg);
  opacity: 0.2;
} 

/* 社交媒体图标样式增强 2023 */
.social-icon {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  border-radius: 50%;
  color: #fff;
  font-size: 16px;
  background-color: rgba(255, 255, 255, 0.1);
  transition: all 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
  position: relative;
  overflow: hidden;
  z-index: 1;
}

.social-icon::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: var(--primary-color);
  transform: scale(0);
  transition: transform 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
  z-index: -1;
  border-radius: 50%;
}

.social-icon:hover {
  transform: translateY(-5px);
  box-shadow: 0 5px 15px rgba(0, 0, 0, 0.3);
  color: #fff;
}

.social-icon:hover::before {
  transform: scale(1);
}

/* 社交媒体品牌特定颜色 */
.social-facebook:hover::before {
  background: #1877F2;
}

.social-twitter:hover::before {
  background: #1DA1F2;
}

.social-instagram:hover::before {
  background: linear-gradient(45deg, #f09433 0%, #e6683c 25%, #dc2743 50%, #cc2366 75%, #bc1888 100%);
}

.social-linkedin:hover::before {
  background: #0A66C2;
}

.social-youtube:hover::before {
  background: #FF0000;
}

/* 社交媒体图标波纹效果 */
.social-icon::after {
  content: '';
  position: absolute;
  top: 50%;
  left: 50%;
  width: 100%;
  height: 100%;
  background: rgba(255, 255, 255, 0.2);
  border-radius: 50%;
  transform: translate(-50%, -50%) scale(0);
  opacity: 0;
  transition: transform 0.6s, opacity 0.6s;
  z-index: -1;
}

.social-icon:active::after {
  transform: translate(-50%, -50%) scale(1.5);
  opacity: 0;
  transition: 0s;
}

/* 社交媒体图标在footer中的布局 */
.footer-social {
  display: flex;
  display: none;
  gap: 15px;
  margin-bottom: 25px;
}

.footer-social .social-icon:nth-child(1) { animation: socialFloat 4s ease-in-out infinite; }
.footer-social .social-icon:nth-child(2) { animation: socialFloat 4s ease-in-out 0.2s infinite; }
.footer-social .social-icon:nth-child(3) { animation: socialFloat 4s ease-in-out 0.4s infinite; }
.footer-social .social-icon:nth-child(4) { animation: socialFloat 4s ease-in-out 0.6s infinite; }
.footer-social .social-icon:nth-child(5) { animation: socialFloat 4s ease-in-out 0.8s infinite; }

@keyframes socialFloat {
  0%, 100% {
    transform: translateY(0);
  }
  50% {
    transform: translateY(-5px);
  }
}

/* 暗色模式适配 */
[data-theme="dark"] .social-icon {
  background-color: rgba(255, 255, 255, 0.05);
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.2);
}

[data-theme="dark"] .social-icon:hover {
  box-shadow: 0 5px 15px rgba(0, 0, 0, 0.5);
} 
/******Cntact us页面******/
.contact-section{padding: 4rem 0;}
.contact-grid {
    display: flex;
    justify-content: center;
    gap: 300px;
}
.contact-grid p {
    color: var(--primary-color);
}
.phone-text {
    display: flex;
    flex-direction: column;
    justify-content: space-around;
}
/*************产品页面****************/
.sinks-section
 {
    padding: 4rem 0;
}
.sink-card {
    background-color: var(--bg-primary);
    border: 1px solid;
    border-radius: 2px;
    height: 100%;
    box-shadow: 0 3px 15px rgba(0, 0, 0, 0.05);
    transition: transform 0.3s ease;
}
.sink-title {
    letter-spacing: 0.5px;
    padding: 10px 15px;
    font-weight: 300;
    font-size: 15px;
}
.sink-title h3
 {
    color: var(--primary-color);
}
/* About Introduction Section */
.about-intro-section {
  padding: 30px 0;
}
.about-intro-content {
    max-width: 1600px;
    margin: 0 auto;
    padding: 20px;
}
.about-product-card {
    position: relative;
    width: 100%;
    min-height: 500px;
}
.about-product-info {
    position: absolute;
    color: white;
    display: flex;
    flex-direction: column;
    justify-content: space-evenly;
    z-index: 10;
    align-items: stretch;
    left: 230px;
    gap: 10px;
    top: 180px;
    width: 400px;
}
.about-cupc-logo {
    height: 50px;
}
.about-cupc-logo img {
    width: auto;
    height: 100%;
}
.about-badge {
    font-size: 25px;
    line-height: 2;
    background: #336B87;
    padding: 20px 30px;
    border: 5px solid white;
}
.about-product-image {
    position: absolute;
    width: 60%;
    right: 30px;
}
.about-sink-logo {
    border: 1px solid;
}
.about-product-image2 {
    position: absolute;
    left: 30px;
    width: 60%;
}
.about-product-info2 {
    position: absolute;
    color: white;
    z-index: 10;
    align-items: stretch;
    right: 230px;
    top: 250px;
    width: 400px;
}
.about-cupc-logo2 {
    height: 50px;
    position: absolute;
    right: 300px;
    top: -50px;
}
.about-cupc-logo2 img {
    width: auto;
    height: 100%;
}
.about-badge2 {
    font-size: 25px;
    line-height: 2;
    background: #336B87;
    padding: 10px 50px 10px 40px;
    border: 5px solid white;
}
.about-product-info-phone {
    display: flex;
    align-items: center;
    gap: 10px;
}
.about-intro-content-phone{display: none;}
@media (max-width: 1600px){
.about-intro-content {max-width: 1200px;}
.about-product-card{min-height: 400px;}
.about-product-image{right: 0;width: 65%;}
.about-product-image2{left: 0;width: 65%;}
.about-product-info2 {right: 30px;top:150px}
.about-product-info{left: 30px;top:100px}
}
@media (max-width: 1300px){
.about-intro-content {max-width: 992px;}
.about-product-info{width: 350px;left: 0px;}
.about-badge ,.about-badge2{font-size: 18px;min-height: 100px;}
.about-product-info2 {width: 350px;right: 0px;}
.about-cupc-logo2 {right: 250px;}
}
@media (max-width: 1200px){
.stat-title{font-size: 10px;}
}
@media (max-width: 1024px){
.about-intro-content {max-width: 768px;}
.about-product-card{min-height: 280px;}
.about-product-info {width: 250px;top: 30px;}
.about-product-image ,.about-product-image2{width: 70%;}
.about-product-info2 {width: 250px;top: 100px;}
.about-cupc-logo2 {right: 150px;}
}
@media (max-width: 992px){
.about-card div{font-size: 15px;}
.footer-links {margin: 0 0 0 10%;}
}
@media (max-width: 768px){
.stat-title{font-size: 16px;}
.contact-grid {gap: 30px;}
.about-grid{grid-template-columns: repeat(1, 1fr);}
.about-intro-content,.floating-actions{display:none;}
.about-intro-content-phone{display: block;}
.about-badge,.about-badge2{background: none;padding: 10px;min-height: auto;}
}
@media (max-width: 400px){
.contact-grid{flex-direction: column;}
}