/* 全局样式 */
:root {
  --primary-color: #da0519;
  --primary-dark: #1a1a2e;
  --primary-light: #fff5f5;
  --primary-gradient: linear-gradient(135deg, #da0519, #ff1744);
  --bio-tech-gradient: linear-gradient(135deg, #da0519, #00bcd4);
  --text-dark: #2c2c2c;
  --text-light: #ffffff;
  --text-contrast: #1a1a1a;
  --gray: #f8f9fa;
  --bio-accent: #00bcd4;
  --transition: all 0.3s ease;
}

@font-face {
  font-family: "Gabana Bold";
  src: url("/fonts/Gabana-Bold_zitidi.com.woff2") format("woff2");
  font-display: swap;
}

* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

::-webkit-scrollbar {
    width: 6px;
    height: 12px;
    background: transparent;
}

::-webkit-scrollbar-track {
    background: transparent;
    border-radius: 10px;
}

::-webkit-scrollbar-thumb {
    background: #6c757d;       
    border-radius: 10px;
    border: 1px solid #f8f9fa; 
}

::-webkit-scrollbar-thumb:hover {
    background: #495057;       
}

html {
  scroll-behavior: smooth;
}

body {
  font-family: 'Arial', sans-serif;
  line-height: 1.6;
  color: var(--text-contrast);
  background: linear-gradient(135deg, #0f1419 0%, #1a2332 50%, #0d1b2a 100%);
  position: relative;
  overflow-x: hidden;
}

body::before {
  content: "";
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background:
    radial-gradient(circle at 15% 25%, rgba(218, 5, 25, 0.15) 0%, transparent 20%),
    radial-gradient(circle at 85% 75%, rgba(0, 188, 212, 0.1) 0%, transparent 20%),
    radial-gradient(circle at 50% 50%, rgba(218, 5, 25, 0.05) 0%, transparent 30%);
  z-index: -1;
  animation: bio-pulse 25s infinite alternate;
}

ul,li{
  padding: 0;
  margin: 2px auto;
}

@keyframes bio-pulse {
  0% {
    transform: scale(1) rotate(0deg);
    opacity: 0.8;
  }

  50% {
    transform: scale(1.1) rotate(180deg);
    opacity: 1;
  }

  100% {
    transform: scale(1) rotate(360deg);
    opacity: 0.8;
  }
}

@keyframes bg-move {
  0% {
    transform: translate(0, 0);
  }

  100% {
    transform: translate(20px, 20px);
  }
}

.float-left {
  float: left;
  margin: 0 15px 15px 0; 
}

.float-right {
  float: right;
  margin: 0 0 15px 15px;
}

.container {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 15px;
}

.navbar {
  background-color: var(--primary-dark);
  padding: 15px 0;
  position: fixed;
  width: 100%;
  top: 0;
  z-index: 1000;
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
  transition: all 0.3s ease;
  backdrop-filter: blur(10px);
}

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

.logo {
  display: flex;
  align-items: center;
}

.logo img {
  height: 54px;
  margin-right: 10px;
}

.logo-text {
  color: var(--text-light);
  font-family: "Gabana Bold";
  font-size: 26px;
  font-weight: bold;
  /* 添加发光效果 */
  text-shadow: 0 0 10px rgba(218, 5, 25, 0.5);
}

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

.nav-menu li {
  margin-left: 25px;
  position: relative;
}

.nav-menu a {
  color: var(--text-light);
  text-decoration: none;
  font-weight: 500;
  transition: var(--transition);
  position: relative;
  display: block;
  padding: 10px 0;
}

.nav-menu>li>a {
  display: flex;
  align-items: center;
}

.nav-menu>li>a::after {
  content: '';
  position: absolute;
  width: 0;
  height: 2px;
  background: var(--primary-color);
  bottom: 0;
  left: 0;
  transition: var(--transition);
}

.nav-menu>li>a:hover::after {
  width: 100%;
}

/* 下拉菜单样式 */
.dropdown-menu {
  position: absolute;
  top: 100%;
  left: 0;
  background-color: #1a1a1a;
  min-width: 220px;
  box-shadow: 0 8px 16px rgba(0, 0, 0, 0.2);
  border-radius: 4px;
  list-style: none;
  opacity: 0;
  visibility: hidden;
  transform: translateY(10px);
  transition: all 0.3s ease;
  z-index: 1001;
  /* 添加科技感毛玻璃效果 */
  backdrop-filter: blur(5px);
  background-color: rgba(26, 26, 26, 0.9);
}

.dropdown:hover .dropdown-menu {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.dropdown-menu li {
  margin: 0;
}

.dropdown-menu a {
  padding: 12px 20px;
  color: var(--text-light);
  font-weight: 400;
  transition: var(--transition);
}

.dropdown-menu a:hover {
  background-color: rgba(218, 5, 25, 0.2);
  color: var(--primary-color);
  padding-left: 25px;
}

/* 下拉菜单箭头指示器 */
.dropdown>a::after {
  content: '▼';
  font-size: 10px;
  margin-left: 8px;
  transition: transform 0.3s ease;
}

.hamburger {
  display: none;
  flex-direction: column;
  cursor: pointer;
}

.hamburger span {
  width: 25px;
  height: 3px;
  background: var(--text-light);
  margin: 3px 0;
  transition: var(--transition);
}

/* 轮播图样式 */
.hero {
  margin-top: 70px;
  height: 80vh;
  position: relative;
  overflow: visible;
}

.hero img {
  width: 100%;
}

.slide {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  opacity: 0;
  transition: opacity 0.5s ease;
  background-size: cover;
  background-position: center;
  display: flex;
  align-items: center;
  justify-content: center;
}

.slide.active {
  opacity: 1;
}

.slide img {
  position: absolute;
  width: 100%;
  height: 100%;
  object-fit: cover;
  z-index: 0;
}

.slide-content {
  text-align: center;
  color: var(--text-light);
  padding: 40px;
  max-width: 800px;
  z-index: 1;
}

.slide-content h1 {
  font-size: 3rem;
  margin-bottom: 20px;
  color: var(--text-light);
  text-shadow: 0 0 10px rgba(255, 255, 255, 0.6);
}

.slide-content p {
  font-size: 1.2rem;
  margin-bottom: 30px;
}

.btn {
  display: inline-block;
  background: linear-gradient(135deg, #da0519 0%, #ff1744 50%, #00bcd4 100%);
  background-size: 200% 200%;
  animation: bio-gradient-shift 4s ease infinite;
  color: var(--text-light);
  padding: 12px 30px;
  border: none;
  border-radius: 30px;
  cursor: pointer;
  text-decoration: none;
  font-weight: bold;
  transition: var(--transition);
  text-transform: uppercase;
  box-shadow: 0 4px 15px rgba(218, 5, 25, 0.3);
  position: relative;
  overflow: hidden;
}

.btn:hover {
  transform: translateY(-3px);
  box-shadow: 0 6px 20px rgba(218, 5, 25, 0.4);
  /* 添加悬停发光效果 */
  box-shadow: 0 0 15px rgba(218, 5, 25, 0.6);
}

.btn::before {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.3), transparent);
  transition: 0.5s;
}

.btn:hover::before {
  left: 100%;
}

/* 业务领域样式 */
.services {
  padding: 80px 0;
  background: linear-gradient(135deg, #ffffff 0%, #f8f9fa 100%);
  position: relative;
}

/* 通用背景装饰样式 */
.services::before,
.news::before,
.advantages::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background:
    radial-gradient(circle at 20% 30%, rgba(218, 5, 25, 0.03) 0%, transparent 25%),
    radial-gradient(circle at 80% 70%, rgba(0, 188, 212, 0.03) 0%, transparent 25%);
  z-index: 1;
}

/* 通用容器样式 */
.services .container,
.news .container,
.advantages .container {
  position: relative;
  z-index: 2;
}

/* tabs 选项卡 */
.tabs {
  background: #ffffff;
  border-radius: 15px;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.08);
  overflow: hidden;
}

.tabs-nav {
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid rgba(0, 0, 0, 0.05);
  position: relative;
  z-index: 10;
}

.tabs-nav ul {
  display: flex;
  list-style: none;
  padding: 0;
  margin: 0;
  justify-content: center;
  flex-wrap: wrap;
}

.tabs-nav li {
  margin: 0;
}

.tab-link {
  display: block;
  padding: 20px 30px;
  color: #2c2c2c;
  text-decoration: none;
  font-weight: 600;
  font-size: 1.1rem;
  transition: all 0.3s ease;
  position: relative;
  cursor: pointer;
  border-bottom: 3px solid transparent;
}

.tab-link:hover {
  color: #da0519;
}

.tab-link.active {
  color: #da0519;
  border-bottom: 3px solid #da0519;
}

.tab-link i {
  margin-right: 10px;
  font-size: 1.2rem;
  vertical-align: middle;
}

.tabs-content {
  padding: 40px;
  position: relative;
  color: var(--primary-dark);
}

.tab-pane {
  display: none;
  animation: fadeIn 0.5s ease-in-out;
}

.tab-pane.active {
  display: block;
}

@keyframes fadeIn {
  from { opacity: 0; transform: translateY(10px); }
  to { opacity: 1; transform: translateY(0); }
}

/* 内容导航样式 */
.content-nav {
  background: rgba(255, 255, 255, 0.95);
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
  position: sticky;
  top: 70px;
  z-index: 100;
  backdrop-filter: blur(10px);
}

.content-nav .container ul {
  display: flex;
  list-style: none;
  padding: 0;
  margin: 0;
  justify-content: center;
}

.content-nav .container ul li {
  margin: 0 15px;
}

.content-nav .container ul li a {
  color: var(--text-dark);
  text-decoration: none;
  font-weight: 500;
  transition: var(--transition);
  position: relative;
  display: block;
  padding: 15px 0;
}

.content-nav .container ul li a::after {
  content: '';
  position: absolute;
  width: 0;
  height: 3px;
  background: var(--primary-color);
  bottom: 0;
  left: 0;
  transition: var(--transition);
}

.content-nav .container ul li a:hover::after,
.content-nav .container ul li a.active::after {
  width: 100%;
}

.text-content img{ max-width: 310px;}

.text-content {
  display: block;
}

.text-content::after{
  content: "";
  display: table;
  clear: both;
}

.text-content ul,
.text-content ol{
  list-style-position: inside;
}

.section-title {
  text-align: center;
  margin-bottom: 50px;
  position: relative;
}

.section-title h2 {
  font-size: 2rem;
  margin-bottom: 25px;
  font-weight: 700;
  text-shadow: 0 2px 4px rgba(218, 5, 25, 0.1);
}

.section-title p {
  margin-top: 0;
  margin-bottom: 30px;
  font-size: 1.1rem;
  font-weight: 500;
}

.section-title::after {
  content: '';
  position: absolute;
  width: 80px;
  height: 3px;
  background: var(--primary-gradient);
  bottom: -10px;
  left: 50%;
  transform: translateX(-50%);
  box-shadow: 0 0 10px rgba(218, 5, 25, 0.5);
}

/* 通用网格布局样式 */
.services-grid,
.advantages-grid,
.news-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 30px;
}

.service-card {
  background: var(--text-light);
  border-radius: 10px;
  overflow: hidden;
  box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
  transition: var(--transition);
  text-align: center;
  padding: 30px 20px;
  /* 添加科技感边框 */
  border: 1px solid rgba(218, 5, 25, 0.1);
  position: relative;
  z-index: 1;
  display: flex;
  flex-direction: column;
}

.service-icon {
  width: 70px;
  height: 70px;
  padding: 4px;
  margin: 0 auto 20px;
  background: var(--bio-tech-gradient);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-light);
  font-size: 30px;
  border-radius: 50%;
  box-shadow: 0 8px 25px rgba(218, 5, 25, 0.3);
  position: relative;
  overflow: hidden;
}

.service-icon::before {
  content: '';
  position: absolute;
  top: -50%;
  left: -50%;
  width: 200%;
  height: 200%;
  background: linear-gradient(45deg, transparent, rgba(255, 255, 255, 0.1), transparent);
  animation: icon-shine 3s infinite;
}

@keyframes icon-shine {
  0% {
    transform: rotate(0deg);
  }

  100% {
    transform: rotate(360deg);
  }
}

.service-card h3 {
  margin-bottom: 15px;
  color: var(--primary-color);
  flex-grow: 0;
  font-weight: 600;
}

.service-card p {
  color: #444;
  margin-bottom: 20px;
  flex-grow: 1;
  line-height: 1.7;
}

.service-card .btn {
  margin: auto auto;
}

.service-card:hover {
  transform: translateY(-10px);
  box-shadow: 0 15px 30px rgba(218, 5, 25, 0.2);
  /* 添加悬停发光效果 */
  box-shadow: 0 0 20px rgba(218, 5, 25, 0.3);
}

.main-page .intro-text {
  height: 100%;
  background: rgba(255, 255, 255, 0.08);
  padding: 35px;
  border-radius: 15px;
  backdrop-filter: blur(15px);
  border: 1px solid rgba(218, 5, 25, 0.2);
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.1);
  display: flex;
  flex-direction: column;
  justify-content: center;
}

/* 公司简介样式 */
.about {
  padding: 80px 0;
  background: linear-gradient(135deg, #1a1a2e 0%, #16213e 50%, #0f1419 100%);
  color: var(--text-light);
  position: relative;
  overflow: hidden;
}

.about::before {
  content: '';
  position: absolute;
  top: -50%;
  left: -50%;
  width: 200%;
  height: 200%;
  background:
    radial-gradient(circle, rgba(218, 5, 25, 0.08) 0%, transparent 40%),
    radial-gradient(circle, rgba(0, 188, 212, 0.05) 0%, transparent 60%);
  animation: bio-rotate 30s linear infinite;
  z-index: 0;
}

.intro-content {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 40px;
  align-items: center;
  margin-bottom: 60px;
  min-height: 350px;
  /* 减少最小高度以改善图文协调 */
}

/* Company页面专用样式 - 不影响首页 */
.company-page .about {
  padding: 40px 0;
}

/* Company页面移动端友好优化 */
@media screen and (max-width: 1024px) {
  .company-page .intro-content {
    gap: 30px;
  }

  .company-page .intro-text {
    padding: 30px;
  }
}

.company-page .intro-image {
  display: flex;
  align-items: center;
  justify-content: center;
}

/* Company页面图片特殊优化 */
.intro-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  border-radius: 10px;
}

/* Our Purpose部分特殊优化 */
.company-page .our-purpose-content {
  align-items: stretch;
  /* 让两个容器高度一致 */
}

.company-page .our-purpose-content .intro-text {
  display: flex;
  flex-direction: column;
  justify-content: center;
  position: relative;
}

.company-page .our-purpose-content .intro-text p {
  font-size: 1.2rem;
  line-height: 1.9;
  font-weight: 500;
  color: rgba(255, 255, 255, 0.95);
}

/* Company页面专用标题样式 */
.company-page .intro-text h3 {
  margin-bottom: 20px;
  font-size: 1.5rem;
  font-weight: 600;
}

.company-page .intro-text p {
  line-height: 1.8;
  font-size: 1.1rem;
  margin-bottom: 0;
}

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

.brands-content .grid-item {
  padding: 0 4px;
}

.brands-content img {
  width: 100%;
}

@keyframes bio-rotate {
  from {
    transform: rotate(0deg);
  }

  to {
    transform: rotate(360deg);
  }
}

.about-content {
  display: flex;
  flex-wrap: wrap;
  gap: 40px;
  position: relative;
  z-index: 2;
}

.about-brands {
  display: flex;
  padding: 40px 0 0;
  row-gap: 30px;
  position: relative;
  z-index: 2;
  flex-direction: column;
}

.intro-content {
  display: grid;
  grid-template-columns: 40% auto;
  gap: 50px;
  position: relative;
  z-index: 2;
  align-items: start;
}

.intro-text {
  flex: 2;
  min-width: 300px;
  background: rgba(255, 255, 255, 0.08);
  padding: 35px;
  border-radius: 15px;
  backdrop-filter: blur(15px);
  border: 1px solid rgba(218, 5, 25, 0.2);
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.1);
  display: grid;
  row-gap: 10px;
}

.img-grid {
  border-radius: 5px;
  display: grid;
  grid-template-columns: repeat(6, 1fr);
  gap: 16px;
  margin-top: 4px;
  overflow: hidden;
}

.grid-item {
  border-radius: 12px;
  overflow: hidden;
  box-shadow: 0 5px 15px rgba(0, 0, 0, 0.2);
  transition: all 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
}

.grid-item:hover {
  transform: scale(1.1);
  box-shadow: 0 20px 30px rgba(0, 0, 0, 0.3);
  z-index: 10;
}

.intro-text .img-grid img {
  display: block;
  object-fit: cover;
  max-height: 120px;
}

.stats {
  flex: 1;
  min-width: 300px;
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 20px;
}

.stat-item {
  text-align: center;
  padding: 20px 15px;
}

.stat-number {
  font-size: 2.5rem;
  font-weight: bold;
  color: var(--primary-color);
  margin-bottom: 10px;
  text-shadow: 0 0 10px rgba(218, 5, 25, 0.5);
  display: block;
}

.stat-blue-bg {
  text-align: center;
  padding: 25px;
  background: rgba(255, 255, 255, 0.08);
  border-radius: 15px;
  backdrop-filter: blur(15px);
  border: 1px solid rgba(218, 5, 25, 0.2);
  transition: all 0.3s ease;
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.1);
}

.stat-blue-bg:hover {
  transform: translateY(-8px) scale(1.05);
  background: rgba(255, 255, 255, 0.12);
  border-color: rgba(218, 5, 25, 0.4);
  box-shadow: 0 15px 40px rgba(218, 5, 25, 0.2);
}

.stat-label {
  font-size: 1rem;
  display: block;
}

.stat-blue {
  background-color: #4a76a8;
  border-radius: 10px;
  box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
  color: white;
}

.stat-blue .stat-number {
  color: #00bfff;
  text-shadow: 0 0 10px rgba(0, 191, 255, 0.5);
}

.intro-image {
  display: flex;
  justify-content: center;
  align-items: center;
  height: 100%;
  min-height: 300px;
  background: rgba(255, 255, 255, 0.08);
  border-radius: 15px;
  border: 1px solid rgba(218, 5, 25, 0.2);
  backdrop-filter: blur(15px);
  overflow: hidden;
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.1);
}

/* 核心优势样式 */
.advantages {
  background: linear-gradient(135deg, #ffffff 0%, #f8f9fa 100%);
  position: relative;
}

.advantages .container {
  position: relative;
  z-index: 2;
}

.advantages-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 30px;
}

.advantage-card {
  background: #ffffff;
  border-radius: 15px;
  padding: 35px;
  box-shadow: 0 8px 25px rgba(0, 0, 0, 0.08);
  transition: var(--transition);
  border-top: 4px solid var(--primary-color);
  border: 1px solid rgba(218, 5, 25, 0.1);
  position: relative;
  z-index: 1;
}

.advantage-card:hover {
  transform: translateY(-8px);
  box-shadow: 0 15px 40px rgba(218, 5, 25, 0.2);
  border-color: rgba(218, 5, 25, 0.3);
}

.advantage-card h3 {
  color: var(--primary-color);
  margin-bottom: 18px;
  font-size: 1.5rem;
  font-weight: 600;
}

.advantage-card p,
.advantage-card li {
  color: #444;
  line-height: 1.7;
}

/* 新闻样式 */
.news {
  padding: 80px 0;
  background: linear-gradient(135deg, #ffffff 0%, #f8f9fa 100%);
  position: relative;
}

.news-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 30px;
}

.grid-4-col {
  grid-template-columns: repeat(auto-fit, minmax(270px, 1fr));
}

.news-card {
  background: var(--text-light);
  border-radius: 10px;
  overflow: hidden;
  box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
  transition: var(--transition);
  /* 添加科技感边框 */
  border: 1px solid rgba(218, 5, 25, 0.1);
  position: relative;
  z-index: 1;
  display: flex;
  flex-direction: column;
  height: 100%;
}

.news-img {
  width: 100%;
  height: 220px;
  overflow: hidden;
  background-size: cover;
  background-position: center;
}

.news-img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.news-content {
  padding: 20px;
  display: flex;
  flex-direction: column;
  flex-grow: 1;
}

.news-content img { margin-bottom: 1rem; }

.news-content-more{
  display: flex;
  padding: 0.8rem 1rem 14px;
  justify-content: end;
  align-items: center;
}

.news-content.collapsed {
  max-height: 300px;
  overflow: hidden;
}

.news-content.expanded {
  max-height: 1000px;
}

.news-content.collapsed::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  height: 30px;
  background: linear-gradient(to bottom, rgba(255, 255, 255, 0) 0%, rgba(255, 255, 255, 1) 100%);
  pointer-events: none;
  transition: opacity 0.3s ease;
}

.news-content.expanded::after {
  opacity: 0;
}

.news-content ul {
  padding-left: 20px;
  margin-bottom: 20px;
}

.news-content li {
  margin-bottom: 10px;
}

.news-date {
  color: var(--primary-color);
  font-weight: bold;
  margin-bottom: 10px;
  display: block;
}

.news-content h3 {
  margin-bottom: 10px;
  color: var(--primary-color);
  font-weight: 600;
}

.news-content p {
  color: #444;
  margin-bottom: 15px;
  flex-grow: 1;
  line-height: 1.7;
}

.news-content .btn {
  margin-top: auto;
}

/* 合作伙伴样式 */
.partners {
  padding: 80px 0;
  background:
    linear-gradient(rgba(44, 62, 80, 0.95), rgba(44, 62, 80, 0.95)),
    radial-gradient(circle at 15% 35%, rgba(218, 5, 25, 0.2) 0%, transparent 20%),
    radial-gradient(circle at 85% 65%, rgba(230, 92, 101, 0.2) 0%, transparent 20%);
  color: var(--text-light);
  position: relative;
}

/* 修复合作伙伴标题颜色问题 */
.partners .section-title h2 {
  color: var(--text-light);
}

.partners-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
  gap: 30px;
  align-items: center;
}

.partner-logo {
  text-align: center;
  border-radius: 10px;
  transition: var(--transition);
}

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

.partner-logo img {
  max-width: 100%;
  height: 74px;
  border-radius: 5px;
}

.partner-logo:hover img {
  filter: grayscale(0%) brightness(100%);
}

/* 表单样式 */
.form-group {
  margin-bottom: 20px;
}

.form-group label {
  display: block;
  margin-bottom: 5px;
  font-weight: bold;
  color: var(--primary-dark);
}

.form-group input,
.form-group textarea {
  width: 100%;
  padding: 12px;
  border: 1px solid #ddd;
  border-radius: 5px;
  font-family: 'Arial', sans-serif;
  font-size: 16px;
  transition: var(--transition);
}

.form-group input:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--primary-color);
  box-shadow: 0 0 5px rgba(218, 5, 25, 0.3);
}

.form-group textarea {
  resize: vertical;
}

.form-group .btn {
  width: auto;
  padding: 12px 30px;
}

/* 页脚样式 */
.footer {
  background:
    linear-gradient(rgba(26, 26, 26, 0.95), rgba(26, 26, 26, 0.95)),
    radial-gradient(circle at 10% 20%, rgba(218, 5, 25, 0.1) 0%, transparent 15%),
    radial-gradient(circle at 90% 80%, rgba(230, 92, 101, 0.1) 0%, transparent 15%);
  color: var(--text-light);
  padding: 60px 0 30px;
  position: relative;
}

.footer-content {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 30px;
  margin-bottom: 40px;
}

.footer-column h3 {
  margin-bottom: 20px;
  position: relative;
  padding-bottom: 10px;
  color: var(--text-light);
}

.footer-column h3::after {
  content: '';
  position: absolute;
  width: 40px;
  height: 2px;
  background: var(--primary-color);
  bottom: 0;
  left: 0;
  /* 添加科技感发光效果 */
  box-shadow: 0 0 5px rgba(218, 5, 25, 0.5);
}

.footer-column ul {
  list-style: none;
}

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

.footer-column ul li a {
  color: #aaa;
  text-decoration: none;
  transition: var(--transition);
}

.footer-column ul li a:hover {
  color: var(--primary-color);
  padding-left: 5px;
}

.social-links {
  display: flex;
  gap: 15px;
  margin-top: 20px;
}
.social-links img{ width: 100%; }
.social-links a {
  display: inline-block;
  width: 40px;
  height: 40px;
  background: #333;
  border-radius: 50%;
  text-align: center;
  line-height: 40px;
  color: var(--text-light);
  transition: var(--transition);
  border: 1px solid rgba(218, 5, 25, 0.3);
}

.social-links a:hover {
  transform: translateY(-3px);
  box-shadow: 0 0 10px rgba(218, 5, 25, 0.5);
}

.footer-bottom {
  text-align: center;
  padding-top: 30px;
  border-top: 1px solid #333;
  color: #aaa;
  font-size: 0.9rem;
}

/* 响应式设计 - 优化后的统一样式 */
@media screen and (max-width: 768px) {
  .nav-menu {
    position: fixed;
    left: -100%;
    top: 70px;
    flex-direction: column;
    background-color: rgba(44, 62, 80, 0.95);
    backdrop-filter: blur(10px);
    width: 100%;
    text-align: center;
    transition: 0.3s;
    box-shadow: 0 10px 27px rgba(0, 0, 0, 0.1);
    padding: 20px 0;
    max-height: calc(100vh - 70px);
    overflow-y: auto;
    backdrop-filter: blur(5px);
    background-color: rgba(44, 62, 80, 0.95);
  }

  .nav-menu.active {
    left: 0;
  }

  .nav-menu li {
    margin: 15px;
  }

  .dropdown-menu {
    position: static;
    opacity: 1;
    visibility: visible;
    transform: none;
    box-shadow: none;
    background-color: rgba(0, 0, 0, 0.2);
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.3s ease;
  }

  .dropdown.active .dropdown-menu {
    max-height: 300px;
  }

  .hamburger {
    display: flex;
  }

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

  .hamburger.active span:nth-child(1) {
    transform: translateY(8px) rotate(45deg);
  }

  .hamburger.active span:nth-child(3) {
    transform: translateY(-8px) rotate(-45deg);
  }

  /* tabs 选项卡 */
  .tabs-nav ul {
    flex-direction: column;
    align-items: center;
  }

  .tabs-nav li {
    width: 100%;
    text-align: center;
  }

  .tab-link {
    padding: 15px;
    border-bottom: 1px solid rgba(0, 0, 0, 0.05);
    border-left: 3px solid transparent;
  }

  .tab-link.active {
    border-bottom: 1px solid rgba(0, 0, 0, 0.05);
    border-left: 3px solid #da0519;
  }

  .tabs-content {
    padding: 30px 20px;
  }

  /* 内容导航 */
  .content-nav {
    position: sticky;
    top: 70px;
  }

  .content-nav .container ul {
    flex-wrap: wrap;
    justify-content: center;
    padding: 10px 0;
  }

  .content-nav .container ul li {
    margin: 5px 8px;
  }

  .content-nav .container ul li a {
    padding: 8px 12px;
    font-size: 0.85rem;
    border-radius: 20px;
    transition: all 0.3s ease;
  }

  .content-nav .container ul li a::after {
    display: none;
    /* 移动端隐藏下划线效果 */
  }

  /* 通用文字大小调整 */
  .slide-content h1 {
    font-size: 2rem;
  }

  .slide-content p {
    font-size: 1rem;
  }

  .section-title h2 {
    font-size: 1.8rem;
  }

  /* 网格布局统一调整 */
  .services-grid,
  .advantages-grid,
  .news-grid,
  .partners-grid {
    grid-template-columns: 1fr;
    gap: 20px;
  }

  /* 统计数据布局 */
  .stats {
    grid-template-columns: 1fr 1fr;
    gap: 15px;
  }

  /* 图文内容布局优化 */
  .intro-content {
    grid-template-columns: 1fr;
    gap: 30px;
  }

  .intro-image {
    min-height: 250px;
  }

  .intro-text {
    padding: 25px;
  }

  /* Company页面移动端优化 */
  .company-page .intro-content {
    grid-template-columns: 1fr;
    gap: 25px;
    min-height: auto;
    /* 移动端移除最小高度限制 */
    align-items: stretch;
    /* 移动端改为stretch */
  }

  .company-page .intro-image,
  .company-page .intro-content:nth-child(even) .intro-image {
    min-height: 250px;
  }

  .company-page .intro-text,
  .company-page .intro-content:nth-child(even) .intro-text {
    padding: 25px;
    justify-content: flex-start;
  }

  /* 业务区域响应式处理 */
  .business-areas-grid {
    grid-template-columns: 1fr;
    gap: 20px;
  }

  .business-area-content h3 {
    font-size: 1.5rem;
    white-space: normal;
    min-height: auto;
  }

  .business-area-image {
    height: 200px;
  }

  @keyframes molecular-float {
    0% {
      transform: translate(0, 0);
    }

    100% {
      transform: translate(-100px, -100px);
    }
  }
}

@media screen and (max-width: 480px) {
  .hero {
    height: 70vh;
  }

  .slide-content {
    padding: 20px;
  }

  .slide-content h1 {
    font-size: 1.5rem;
  }

  .about,
  .services,
  .advantages,
  .news,
  .partners {
    padding: 50px 0;
  }

  .stats {
    grid-template-columns: 1fr;
  }

  /* Company页面小屏幕优化 */
  .company-page .about {
    padding: 50px 0;
    /* 减少小屏幕上的内边距 */
  }

  .company-page .intro-content {
    gap: 20px;
    /* 减少间距 */
  }

  .company-page .intro-text {
    padding: 20px;
  }

  .company-page .intro-text h3 {
    font-size: 1.3rem;
    margin-bottom: 15px;
  }

  .company-page .intro-text p {
    font-size: 1rem;
    line-height: 1.6;
  }

  .company-page .intro-image {
    min-height: 200px;
  }

  /* Our Purpose移动端优化 */
  .company-page .our-purpose-content {
    align-items: stretch;
  }

  .company-page .our-purpose-content .intro-text::before {
    display: none;
    /* 移动端隐藏装饰线 */
  }

  .company-page .our-purpose-content .intro-text {
    justify-content: flex-start;
    /* 移动端顶部对齐 */
    padding: 25px;
  }

  .company-page .our-purpose-content .intro-text p {
    font-size: 1.1rem;
    line-height: 1.7;
    margin-bottom: 0;
  }

  /* 内容导航小屏幕优化 */
  .content-nav {
    position: sticky;
    top: 70px;
  }

  .content-nav .container ul {
    flex-wrap: wrap;
    padding: 8px 0;
    justify-content: flex-start;
    flex-direction: column;
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
  }

  .content-nav .container ul li {
    margin: 4px 6px;
    flex-shrink: 0;
    /* 防止收缩 */
  }

  .content-nav .container ul li a {
    font-size: 0.75rem;
    padding: 6px 10px;
    white-space: nowrap;
    border-radius: 15px;
    display: block;
  }

  .content-nav .container ul li a::after {
    display: none;
  }

  /* 业务区域小屏幕优化 */
  .business-area-content {
    padding: 20px;
  }

  .business-area-content h3 {
    font-size: 1.3rem;
  }
}

/* 简化的科技感效果 - 减少性能消耗 */

@keyframes bio-scan {
  0% {
    left: -100%;
  }

  100% {
    left: 100%;
  }
}

/* 增强按钮的生物医药科技感 - 合并到主要按钮样式中 */

@keyframes bio-gradient-shift {
  0% {
    background-position: 0% 50%;
  }

  50% {
    background-position: 100% 50%;
  }

  100% {
    background-position: 0% 50%;
  }
}





/* 业务区域网格样式 */
.business-areas-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 30px;
  margin-top: 50px;
}

.business-area-item {
  position: relative;
  border-radius: 15px;
  overflow: hidden;
  cursor: pointer;
  transition: all 0.4s cubic-bezier(0.25, 0.46, 0.45, 0.94);
  box-shadow: 0 8px 25px rgba(0, 0, 0, 0.1);
  background: #ffffff;
  border: 1px solid rgba(218, 5, 25, 0.1);
}

.business-area-item:hover {
  transform: translateY(-8px) scale(1.02);
  box-shadow: 0 15px 40px rgba(218, 5, 25, 0.2);
}

.business-area-image {
  position: relative;
  height: 250px;
  overflow: hidden;
}

.business-area-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.6s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

.business-area-item:hover .business-area-image img {
  transform: scale(1.1);
}

.business-area-overlay {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: linear-gradient(135deg,
      rgba(218, 5, 25, 0.85) 0%,
      rgba(26, 26, 46, 0.9) 50%,
      rgba(0, 188, 212, 0.85) 100%);
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  transition: all 0.5s cubic-bezier(0.25, 0.46, 0.45, 0.94);
  backdrop-filter: blur(2px);
}

.business-area-item:hover .business-area-overlay {
  opacity: 1;
}

.business-area-content {
  text-align: center;
  color: white;
  transform: translateY(20px);
  transition: all 0.6s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

.business-area-item:hover .business-area-content {
  transform: translateY(0);
}

/* 关键修复：h3文字平滑动画 */
.business-area-content h3 {
  font-size: 1.8rem;
  font-weight: 700;
  margin-bottom: 15px;
  line-height: 1.2;
  /* 防止文字跳动的关键样式 */
  text-rendering: optimizeLegibility;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  /* 固定高度防止布局跳动 */
  min-height: 2.2em;
  display: flex;
  align-items: center;
  justify-content: center;
  /* 平滑的文字变换 */
  transition: all 0.4s cubic-bezier(0.25, 0.46, 0.45, 0.94);
  overflow: hidden;
  text-overflow: ellipsis;
  max-width: 100%;
}

.business-area-content p {
  font-size: 1rem;
  line-height: 1.6;
  opacity: 0.95;
  margin-bottom: 0;
  /* 同样应用平滑渲染 */
  text-rendering: optimizeLegibility;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  transition: all 0.4s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}



@media screen and (max-width: 480px) {
  .business-area-content {
    padding: 20px;
  }

  .business-area-content h3 {
    font-size: 1.3rem;
  }
}

/* 响应式调整 */
@media screen and (max-width: 768px) {
  @keyframes molecular-float {
    0% {
      transform: translate(0, 0);
    }

    100% {
      transform: translate(-100px, -100px);
    }
  }
}

/* Company页面Hero Banner */
.company-hero {
  background: linear-gradient(135deg,
      rgba(218, 5, 25, 0.9) 0%,
      rgba(26, 26, 46, 0.95) 50%,
      rgba(0, 188, 212, 0.9) 100%),
    radial-gradient(circle at 20% 30%, rgba(218, 5, 25, 0.3) 0%, transparent 50%),
    radial-gradient(circle at 80% 70%, rgba(0, 188, 212, 0.3) 0%, transparent 50%);
  position: relative;
  overflow: hidden;
}

.company-hero::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-image:
    radial-gradient(2px 2px at 50px 100px, rgba(255, 255, 255, 0.3), transparent),
    radial-gradient(3px 3px at 150px 200px, rgba(255, 255, 255, 0.2), transparent),
    radial-gradient(1px 1px at 300px 150px, rgba(255, 255, 255, 0.4), transparent),
    radial-gradient(2px 2px at 400px 50px, rgba(255, 255, 255, 0.2), transparent);
  background-size: 200px 200px, 300px 300px, 250px 250px, 350px 350px;
  animation: company-particles 25s infinite linear;
  z-index: 1;
}

.company-hero::after {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background:
    linear-gradient(45deg, transparent 30%, rgba(218, 5, 25, 0.1) 50%, transparent 70%),
    linear-gradient(-45deg, transparent 30%, rgba(0, 188, 212, 0.1) 50%, transparent 70%);
  background-size: 100px 100px, 150px 150px;
  animation: company-grid 20s infinite linear;
  z-index: 2;
}

@keyframes company-particles {
  0% {
    transform: translate(0, 0) rotate(0deg);
  }

  100% {
    transform: translate(-50px, -50px) rotate(360deg);
  }
}

@keyframes company-grid {
  0% {
    background-position: 0 0, 0 0;
  }

  100% {
    background-position: 100px 100px, -150px -150px;
  }
}

/* Partnerships页面Hero Banner */
.partnerships-hero {
  background: linear-gradient(135deg,
      rgba(26, 26, 46, 0.95) 0%,
      rgba(218, 5, 25, 0.9) 30%,
      rgba(0, 188, 212, 0.9) 70%,
      rgba(26, 26, 46, 0.95) 100%),
    radial-gradient(circle at 25% 25%, rgba(218, 5, 25, 0.3) 0%, transparent 40%),
    radial-gradient(circle at 75% 75%, rgba(0, 188, 212, 0.3) 0%, transparent 40%);
  position: relative;
  overflow: hidden;
}

.partnerships-hero::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-image:
    linear-gradient(45deg, transparent 40%, rgba(255, 255, 255, 0.05) 50%, transparent 60%),
    linear-gradient(-45deg, transparent 40%, rgba(255, 255, 255, 0.05) 50%, transparent 60%);
  background-size: 80px 80px, 120px 120px;
  animation: partnerships-weave 12s infinite linear;
  z-index: 1;
}

.partnerships-hero::after {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background:
    radial-gradient(circle at 20% 20%, rgba(255, 255, 255, 0.1) 2px, transparent 2px),
    radial-gradient(circle at 80% 80%, rgba(255, 255, 255, 0.1) 1px, transparent 1px),
    radial-gradient(circle at 40% 60%, rgba(255, 255, 255, 0.1) 1px, transparent 1px);
  background-size: 100px 100px, 150px 150px, 80px 80px;
  animation: partnerships-connect 18s infinite linear;
  z-index: 2;
}

@keyframes partnerships-weave {
  0% {
    background-position: 0 0, 0 0;
  }

  100% {
    background-position: 80px 80px, -120px -120px;
  }
}

@keyframes partnerships-connect {
  0% {
    transform: rotate(0deg) scale(1);
  }

  50% {
    transform: rotate(180deg) scale(1.1);
  }

  100% {
    transform: rotate(360deg) scale(1);
  }
}

/* 确保子页面Hero Banner的内容层级正确 */
.company-hero .slide-content,
.partnerships-hero .slide-content {
  position: relative;
  z-index: 10;
  text-align: center;
  color: var(--text-light);
  padding: 60px 40px;
  max-width: 900px;
  margin: 0 auto;
}

.company-hero .slide-content h1,
.partnerships-hero .slide-content h1 {
  margin-bottom: 25px;
  font-weight: 700;
  text-shadow: 0 4px 8px rgba(0, 0, 0, 0.3);
  background: linear-gradient(135deg, #ffffff, #f0f0f0);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.company-hero .slide-content p,
.partnerships-hero .slide-content p {
  font-size: 1.3rem;
  margin-bottom: 0;
  text-shadow: 0 2px 4px rgba(0, 0, 0, 0.3);
  line-height: 1.6;
  opacity: 0.95;
}

/* 响应式调整 */
@media screen and (max-width: 768px) {
  .company-hero .slide-content h1,
  .partnerships-hero .slide-content h1 {
    font-size: 2.2rem;
  }

  .company-hero .slide-content p,
  .partnerships-hero .slide-content p {
    font-size: 1.1rem;
  }

  .company-hero .slide-content,
  .partnerships-hero .slide-content {
    padding: 40px 20px;
  }
}

@media screen and (max-width: 480px) {
  .company-hero .slide-content h1,
  .partnerships-hero .slide-content h1 {
    font-size: 1.8rem;
  }

  .company-hero .slide-content p,
  .partnerships-hero .slide-content p {
    font-size: 1rem;
  }
}

/* 
Business Areas Grid - Image with Hover Overlay */
.business-areas-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
  gap: 30px;
  margin-top: 50px;
}

.business-area-item {
  position: relative;
  border-radius: 15px;
  overflow: hidden;
  box-shadow: 0 8px 25px rgba(0, 0, 0, 0.1);
  transition: var(--transition);
  height: 280px;
  /* 添加科技感边框 */
  border: 1px solid rgba(218, 5, 25, 0.1);
}

.business-area-item:hover {
  transform: translateY(-8px);
  box-shadow: 0 15px 40px rgba(218, 5, 25, 0.2);
  border-color: rgba(218, 5, 25, 0.3);
}

.business-area-image {
  position: relative;
  width: 100%;
  height: 100%;
  overflow: hidden;
}

.business-area-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: var(--transition);
}

.business-area-item:hover .business-area-image img {
  transform: scale(1.1);
}

.business-area-overlay {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: linear-gradient(135deg,
      rgba(218, 5, 25, 0.9) 0%,
      rgba(26, 26, 46, 0.95) 50%,
      rgba(0, 188, 212, 0.9) 100%);
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  transition: var(--transition);
  backdrop-filter: blur(5px);
}

.business-area-item:hover .business-area-overlay {
  opacity: 1;
}

.business-area-content {
  text-align: center;
  color: var(--text-light);
  transform: translateY(20px);
  transition: var(--transition);
}

.business-area-item:hover .business-area-content {
  transform: translateY(0);
}

.business-area-content h3 {
  font-size: 1.5rem;
  margin-bottom: 15px;
  color: var(--text-light);
  font-weight: 600;
  text-shadow: 0 2px 4px rgba(0, 0, 0, 0.3);
}

.business-area-content p {
  font-size: 1rem;
  margin-bottom: 20px;
  line-height: 1.6;
  color: rgba(255, 255, 255, 0.9);
}

.business-area-content .btn {
  background: rgba(255, 255, 255, 0.2);
  border: 2px solid var(--text-light);
  color: var(--text-light);
  padding: 10px 25px;
  font-size: 0.9rem;
  backdrop-filter: blur(10px);
}

.business-area-content .btn:hover {
  background: var(--text-light);
  color: var(--primary-color);
  transform: translateY(-2px);
  box-shadow: 0 5px 15px rgba(255, 255, 255, 0.3);
}

/* 响应式设计 */
@media screen and (max-width: 768px) {
  .business-areas-grid {
    grid-template-columns: 1fr;
    gap: 20px;
  }

  .business-area-item {
    height: 250px;
  }

  .business-area-content {
    padding: 20px;
  }

  .business-area-content h3 {
    font-size: 1.3rem;
  }

  .business-area-content p {
    font-size: 0.9rem;
  }
}

@media screen and (max-width: 480px) {
  .business-area-item {
    height: 220px;
  }

  .business-area-content {
    padding: 15px;
  }

  .business-area-content h3 {
    font-size: 1.2rem;
    margin-bottom: 10px;
  }

  .business-area-content p {
    font-size: 0.85rem;
    margin-bottom: 15px;
  }

  .business-area-content .btn {
    padding: 8px 20px;
    font-size: 0.85rem;
  }
}

/* Business Areas Grid - 参考效果实现 */
.business-areas-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 30px;
  margin-top: 50px;
}

.business-area-item {
  position: relative;
  border-radius: 15px;
  overflow: hidden;
  box-shadow: 0 8px 25px rgba(0, 0, 0, 0.1);
  transition: var(--transition);
  height: 300px;
  cursor: pointer;
  /* 添加科技感边框 */
  border: 1px solid rgba(218, 5, 25, 0.1);
}

.business-area-item:hover {
  transform: translateY(-5px);
  box-shadow: 0 15px 40px rgba(218, 5, 25, 0.2);
  border-color: rgba(218, 5, 25, 0.3);
}

.business-area-image {
  position: relative;
  width: 100%;
  height: 100%;
  overflow: hidden;
}

.business-area-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
  transition: transform 0.6s ease;
}

.business-area-item:hover .business-area-image img {
  transform: scale(1.1);
}

/* 默认半遮罩效果 - 左侧遮罩 */
.business-area-overlay {
  position: absolute;
  top: 0;
  left: 0;
  width: 50%;
  /* 默认只覆盖左半部分 */
  height: 100%;
  background: linear-gradient(135deg,
      rgba(26, 26, 46, 0.85) 0%,
      rgba(218, 5, 25, 0.8) 100%);
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: flex-start;
  padding: 30px 25px;
  transition: all 0.8s cubic-bezier(0.25, 0.46, 0.45, 0.94);
  backdrop-filter: blur(3px);
  opacity: 0.7;
}

/* 悬停时遮罩铺满整个区域 - 从左到右动画 */
.business-area-item:hover .business-area-overlay {
  width: 100%;
  /* 扩展到全宽 */
  background: linear-gradient(135deg,
      rgba(26, 26, 46, 0.9) 0%,
      rgba(218, 5, 25, 0.85) 50%,
      rgba(0, 188, 212, 0.8) 100%);
  justify-content: center;
  align-items: center;
  text-align: center;
  backdrop-filter: blur(5px);
}

.business-area-content {
  color: var(--text-light);
}

.business-area-content h3 {
  font-size: 1.3rem;
  margin-bottom: 10px;
  color: var(--text-light);
  font-weight: 600;
  text-shadow: 0 2px 4px rgba(0, 0, 0, 0.3);
  line-height: 1.2;
  transition: all 0.4s ease;
}

.business-area-item:hover .business-area-content h3 {
  font-size: 1.5rem;
  margin-bottom: 15px;
}

/* 默认隐藏的描述文字 */
.business-area-content p {
  font-size: 0.95rem;
  line-height: 1.6;
  color: rgba(255, 255, 255, 0.9);
  margin-bottom: 15px;
  opacity: 0;
  transform: translateY(20px);
  transition: all 0.5s ease 0.2s;
}

.business-area-item:hover .business-area-content p {
  opacity: 1;
  transform: translateY(0);
}

/* 隐藏按钮 */
.business-area-content .btn {
  display: none;
}

/* 响应式设计 */
@media screen and (max-width: 1024px) {
  .business-areas-grid {
    gap: 25px;
  }

  .business-area-item {
    height: 280px;
  }

  .business-area-overlay {
    padding: 25px 20px;
  }

  .business-area-content h3 {
    font-size: 1.2rem;
  }

  .business-area-item:hover .business-area-content h3 {
    font-size: 1.4rem;
  }
}

@media screen and (max-width: 768px) {
  .intro-text .img-grid {
    grid-template-columns: repeat(3, 1fr);
  }

  .intro-text .img-grid img {
    max-height: unset;
    width: 100%;
  }

  .brands-content {
    grid-template-columns: repeat(2, 1fr);
  }

  .business-areas-grid {
    grid-template-columns: 1fr;
    gap: 20px;
  }

  .business-area-item {
    height: 250px;
  }

  .business-area-overlay {
    width: 60%;
    /* 移动端默认遮罩稍大 */
    padding: 20px 15px;
  }

  .business-area-content h3 {
    font-size: 1.1rem;
  }

  .business-area-item:hover .business-area-content h3 {
    font-size: 1.3rem;
  }

  .business-area-content p {
    font-size: 0.9rem;
  }
}

@media screen and (max-width: 480px) {
  .intro-text .img-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .business-area-item {
    height: 220px;
  }

  .business-area-overlay {
    width: 70%;
    padding: 15px 12px;
  }

  .business-area-content h3 {
    font-size: 1rem;
    margin-bottom: 8px;
  }

  .business-area-item:hover .business-area-content h3 {
    font-size: 1.2rem;
    margin-bottom: 12px;
  }

  .business-area-content p {
    font-size: 0.85rem;
    margin-bottom: 15px;
  }

  .business-area-content .btn {
    padding: 8px 20px;
    font-size: 0.85rem;
  }
}

/* 认证证书无缝滚动样式 */
.certifications {
  padding: 60px 0;
  background: linear-gradient(135deg, #f8f9fa 0%, #ffffff 100%);
  position: relative;
  overflow: hidden;
}

.certifications::before {
  content: '';
  position: absolute;
  left: 0;
  top: 0;
  width: 120px;
  height: 100%;
  background: linear-gradient(to right, #f8f9fa, transparent);
  z-index: 2;
  pointer-events: none;
}

.certifications::after {
  content: '';
  position: absolute;
  right: 0;
  top: 0;
  width: 120px;
  height: 100%;
  background: linear-gradient(to left, #f8f9fa, transparent);
  z-index: 2;
  pointer-events: none;
}

.certifications .container {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 15px;
  position: relative;
  overflow: hidden;
}

.certifications-track {
  display: flex;
  gap: 80px;
  padding: 40px 0;
  align-items: center;
  /* 无缝滚动动画 */
  animation: scroll-seamless 40s linear infinite;
  width: max-content;
}

.certifications-track:hover {
  animation-play-state: paused;
}

/* 无缝循环滚动动画 */
@keyframes scroll-seamless {
  0% {
    transform: translateX(0);
  }
  100% {
    transform: translateX(-50%);
  }
}

.certifications-track img {
  flex-shrink: 0;
  height: 260px;
  width: auto;
  max-width: 240px;
  object-fit: contain;
  border-radius: 4px;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
  transition: all 0.4s cubic-bezier(0.25, 0.46, 0.45, 0.94);
  cursor: pointer;
}

.certifications-track img.big{ max-width: 420px; }

.certifications-track img:hover {
  transform: scale(1.15);
  box-shadow: 0 6px 20px rgba(0, 0, 0, 0.2);
  z-index: 10;
  position: relative;
}

/* 移动端适配 */
@media screen and (max-width: 768px) {
  .certifications {
    padding: 40px 0;
  }

  .certifications-track {
    gap: 40px;
    padding: 30px 0;
    animation: scroll-seamless 35s linear infinite;
  }

  .certifications-track img {
    height: 130px;
    max-width: 200px;
  }

  .certifications-track img:hover {
    transform: scale(1.1);
  }
}

@media screen and (max-width: 480px) {
  .certifications-track {
    gap: 25px;
    padding: 20px 0;
    animation: scroll-seamless 30s linear infinite;
  }

  .certifications-track img {
    height: 110px;
    max-width: 160px;
  }

  .certifications-track img:hover {
    transform: scale(1.08);
  }
}
/* Advanced Chemical Technology Page Styles */
.advanced-tech-page {
  background: linear-gradient(135deg, #0f1419 0%, #1a2332 50%, #0d1b2a 100%);
}

.tech-section {
  padding: 80px 0;
  position: relative;
}

.tech-section:nth-child(even) {
  background: rgba(26, 42, 80, 0.1);
}

.tech-section .section-title h2 {
  color: var(--text-light);
  font-size: 2.5rem;
  margin-bottom: 10px;
  text-shadow: 0 0 20px rgba(218, 5, 25, 0.5);
}

.tech-section .section-title p {
  color: var(--bio-accent);
  font-size: 1.2rem;
  font-weight: 500;
}

.tech-section .intro-text {
  color: var(--text-light);
  font-size: 1.1rem;
  line-height: 1.8;
}

.tech-section .intro-text ul {
  margin: 20px 0;
  padding-left: 20px;
}

.tech-section .intro-text li {
  margin: 10px 0;
  color: rgba(255, 255, 255, 0.9);
}

.tech-section .intro-image img {
  border-radius: 15px;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.3);
  border: 2px solid rgba(218, 5, 25, 0.2);
}

/* Technology section backgrounds with subtle patterns */
.tech-section::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background:
    radial-gradient(circle at 20% 80%, rgba(218, 5, 25, 0.05) 0%, transparent 50%),
    radial-gradient(circle at 80% 20%, rgba(0, 188, 212, 0.05) 0%, transparent 50%);
  pointer-events: none;
}

/* Mobile responsiveness for tech navigation */
@media (max-width: 768px) {
  .tech-section {
    padding: 60px 0;
  }

  .tech-section .section-title h2 {
    font-size: 2rem;
  }

  .tech-section .intro-text {
    font-size: 1rem;
  }
}

/* Enhanced technology feel with glowing effects */
.tech-section .section-title h2::after {
  content: '';
  display: block;
  width: 60px;
  height: 3px;
  background: linear-gradient(90deg, var(--primary-color), var(--bio-accent));
  margin: 15px auto;
  border-radius: 2px;
  box-shadow: 0 0 10px rgba(218, 5, 25, 0.5);
}

/* Subtle animation for tech sections */
.tech-section {
  animation: fadeInUp 0.8s ease-out;
}

@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(30px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* Contact Form Section */
.contact-form-section {
  padding: 80px 0;
  background: linear-gradient(135deg, #ffffff 0%, #f8f9fa 100%);
  position: relative;
}

.contact-form-section .intro-content {
  grid-template-columns: 60% 40%;
}

.contact-form {
  position: relative;
  z-index: 2;
}

.form-group {
  margin-bottom: 20px;
}

.form-group label {
  display: block;
  margin-bottom: 8px;
  font-weight: 600;
  color: var(--text-dark);
  font-size: 0.95rem;
}

.form-group input,
.form-group select,
.form-group textarea {
  width: 100%;
  padding: 12px 15px;
  border: 2px solid #e1e5e9;
  border-radius: 8px;
  font-family: 'Arial', sans-serif;
  font-size: 16px;
  transition: all 0.3s ease;
  background: #ffffff;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--primary-color);
  box-shadow: 0 0 0 3px rgba(218, 5, 25, 0.1);
  transform: translateY(-2px);
}

.form-group select {
  cursor: pointer;
  background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' fill='none' viewBox='0 0 20 20'%3e%3cpath stroke='%236b7280' stroke-linecap='round' stroke-linejoin='round' stroke-width='1.5' d='m6 8 4 4 4-4'/%3e%3c/svg%3e");
  background-position: right 12px center;
  background-repeat: no-repeat;
  background-size: 16px;
  padding-right: 40px;
  appearance: none;
}

.form-group textarea {
  resize: vertical;
  min-height: 120px;
}

.contact-submit-btn {
  width: 100%;
  padding: 15px 30px;
  font-size: 1.1rem;
  font-weight: 600;
  margin-top: 20px;
  transition: all 0.3s ease;
}

.contact-submit-btn:hover {
  transform: translateY(-3px);
  box-shadow: 0 8px 25px rgba(218, 5, 25, 0.4);
}

.contact-detail {
  margin-bottom: 25px;
}

.contact-detail:last-child {
  margin-bottom: 0;
}

.contact-detail h4 {
  color: var(--text-dark);
  font-size: 1.1rem;
  margin-bottom: 8px;
  font-weight: 600;
  display: flex;
  align-items: center;
}

.contact-detail h4::before {
  content: '';
  width: 4px;
  height: 20px;
  background: var(--primary-color);
  margin-right: 10px;
  border-radius: 2px;
}

.contact-detail p {
  color: #666;
  line-height: 1.6;
  margin-left: 14px;
}

.contact-detail a {
  color: var(--primary-color);
  text-decoration: none;
  transition: all 0.3s ease;
  font-weight: 500;
}

.contact-detail a:hover {
  color: var(--primary-dark);
  text-decoration: underline;
}

/* Map Container */
.map-wrapper {
  border-radius: 10px;
  overflow: hidden;
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
  position: relative;
  z-index: 2;
}

.map-wrapper iframe {
  width: 100%;
  height: 300px;
  border: none;
  filter: grayscale(20%);
  transition: filter 0.3s ease;
}

.map-wrapper:hover iframe {
  filter: grayscale(0%);
}

/* Responsive Design for Contact Page */
@media screen and (max-width: 480px) {
  .contact-form-section {
    padding: 50px 0;
  }

  .contact-detail p {
    margin-left: 0;
  }

  .contact-detail h4::before {
    margin-right: 8px;
  }
}

/* Form validation styles */
.form-group input:invalid:not(:focus):not(:placeholder-shown),
.form-group select:invalid:not(:focus),
.form-group textarea:invalid:not(:focus):not(:placeholder-shown) {
  border-color: #dc3545;
  box-shadow: 0 0 0 3px rgba(220, 53, 69, 0.1);
}

.form-group input:valid:not(:focus):not(:placeholder-shown),
.form-group select:valid:not(:focus),
.form-group textarea:valid:not(:focus):not(:placeholder-shown) {
  border-color: #28a745;
  box-shadow: 0 0 0 3px rgba(40, 167, 69, 0.1);
}

/* Loading state for form submission */
.contact-submit-btn:disabled {
  opacity: 0.7;
  cursor: not-allowed;
  transform: none;
}


@keyframes spin {
  0% {
    transform: rotate(0deg);
  }

  100% {
    transform: rotate(360deg);
  }
}

.contact-form {
  text-align: left;
}

.contact-form .form-group {
  margin-bottom: 20px;
}

.contact-form .form-group label {
  display: block;
  margin-bottom: 8px;
  font-weight: 600;
  color: var(--text-dark);
  font-size: 0.95rem;
}

.contact-form .form-group input,
.contact-form .form-group select,
.contact-form .form-group textarea {
  width: 100%;
  padding: 12px 15px;
  border: 2px solid #e1e5e9;
  border-radius: 8px;
  font-family: 'Arial', sans-serif;
  font-size: 16px;
  transition: all 0.3s ease;
  background: #ffffff;
}

.contact-form .form-group input:focus,
.contact-form .form-group select:focus,
.contact-form .form-group textarea:focus {
  outline: none;
  border-color: var(--primary-color);
  box-shadow: 0 0 0 3px rgba(218, 5, 25, 0.1);
  transform: translateY(-2px);
}

.contact-form .form-group select {
  cursor: pointer;
  background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' fill='none' viewBox='0 0 20 20'%3e%3cpath stroke='%236b7280' stroke-linecap='round' stroke-linejoin='round' stroke-width='1.5' d='m6 8 4 4 4-4'/%3e%3c/svg%3e");
  background-position: right 12px center;
  background-repeat: no-repeat;
  background-size: 16px;
  padding-right: 40px;
  appearance: none;
}

.contact-form .form-group textarea {
  resize: vertical;
  min-height: 100px;
}

.contact-submit-btn {
  width: 100%;
  padding: 15px 30px;
  font-size: 1.1rem;
  font-weight: 600;
  margin-top: 20px;
  transition: all 0.3s ease;
}

.contact-submit-btn:hover {
  transform: translateY(-3px);
  box-shadow: 0 8px 25px rgba(218, 5, 25, 0.4);
}

/* Contact Information Styles */

.contact-detail {
  margin-bottom: 20px;
}

.contact-detail:last-child {
  margin-bottom: 0;
}

.contact-detail h4 {
  color: var(--primary-color);
  font-size: 1rem;
  margin-bottom: 8px;
  font-weight: 600;
}

.contact-detail p {
  color: #666;
  line-height: 1.6;
  margin-bottom: 0;
}

.contact-detail a {
  color: var(--primary-color);
  text-decoration: none;
  transition: all 0.3s ease;
  font-weight: 500;
}

.contact-detail a:hover {
  color: var(--primary-dark);
  text-decoration: underline;
}

/* Map Wrapper */
.map-wrapper {
  margin-top: 15px;
}

.map-wrapper iframe {
  width: 100%;
  border: none;
  filter: grayscale(20%);
  transition: filter 0.3s ease;
}

.map-wrapper:hover iframe {
  filter: grayscale(0%);
}

/* Form validation styles */
.contact-form .form-group input:invalid:not(:focus):not(:placeholder-shown),
.contact-form .form-group select:invalid:not(:focus),
.contact-form .form-group textarea:invalid:not(:focus):not(:placeholder-shown) {
  border-color: #dc3545;
  box-shadow: 0 0 0 3px rgba(220, 53, 69, 0.1);
}

.contact-form .form-group input:valid:not(:focus):not(:placeholder-shown),
.contact-form .form-group select:valid:not(:focus),
.contact-form .form-group textarea:valid:not(:focus):not(:placeholder-shown) {
  border-color: #28a745;
  box-shadow: 0 0 0 3px rgba(40, 167, 69, 0.1);
}

/* Loading state for form submission */
.contact-submit-btn:disabled {
  opacity: 0.7;
  cursor: not-allowed;
  transform: none;
}
/* Contact Page Styles - Redesigned to avoid conflicts */
.contact-intro {
  background: linear-gradient(135deg, #1a1a2e 0%, #16213e 50%, #0f1419 100%);
  color: var(--text-light);
}

.contact-form-section {
  background: linear-gradient(135deg, #ffffff 0%, #f8f9fa 100%);
}

.contact-form .form-group {
  margin-bottom: 20px;
}

.contact-form .form-group label {
  display: block;
  margin-bottom: 8px;
  font-weight: 600;
  color: var(--text-dark);
  font-size: 0.95rem;
}

.contact-form .form-group input,
.contact-form .form-group select,
.contact-form .form-group textarea {
  width: 100%;
  padding: 12px 15px;
  border: 2px solid #e1e5e9;
  border-radius: 8px;
  font-family: 'Arial', sans-serif;
  font-size: 16px;
  transition: all 0.3s ease;
  background: #ffffff;
}

.contact-form .form-group input:focus,
.contact-form .form-group select:focus,
.contact-form .form-group textarea:focus {
  outline: none;
  border-color: var(--primary-color);
  box-shadow: 0 0 0 3px rgba(218, 5, 25, 0.1);
  transform: translateY(-2px);
}

.contact-form .form-group select {
  cursor: pointer;
  background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' fill='none' viewBox='0 0 20 20'%3e%3cpath stroke='%236b7280' stroke-linecap='round' stroke-linejoin='round' stroke-width='1.5' d='m6 8 4 4 4-4'/%3e%3c/svg%3e");
  background-position: right 12px center;
  background-repeat: no-repeat;
  background-size: 16px;
  padding-right: 40px;
  appearance: none;
}

.contact-form .form-group textarea {
  resize: vertical;
  min-height: 100px;
}

.contact-submit-btn {
  width: 100%;
  padding: 15px 30px;
  font-size: 1.1rem;
  font-weight: 600;
  margin-top: 20px;
  transition: all 0.3s ease;
}

.contact-submit-btn:hover {
  transform: translateY(-3px);
  box-shadow: 0 8px 25px rgba(218, 5, 25, 0.4);
}

/* Contact Information Card */
.contact-detail {
  margin-bottom: 20px;
}

.contact-detail:last-child {
  margin-bottom: 0;
}

.contact-detail h4 {
  color: var(--primary-color);
  font-size: 1rem;
  margin-bottom: 8px;
  font-weight: 600;
}

.contact-detail p {
  color: #666;
  line-height: 1.6;
  margin-bottom: 0;
}

.contact-detail a {
  color: var(--primary-color);
  text-decoration: none;
  transition: all 0.3s ease;
  font-weight: 500;
}

.contact-detail a:hover {
  color: var(--primary-dark);
  text-decoration: underline;
}

/* Map Section */
.contact-map-section {
  background: linear-gradient(135deg, #ffffff 0%, #f8f9fa 100%);
}

.contact-map-section .map-wrapper {
  max-width: 1000px;
  margin: 0 auto;
  box-shadow: 0 8px 25px rgba(0, 0, 0, 0.1);
  border-radius: 15px;
  overflow: hidden;
}

.contact-map-section .map-wrapper iframe {
  width: 100%;
  border: none;
  filter: grayscale(20%);
  transition: filter 0.3s ease;
}

.contact-map-section .map-wrapper:hover iframe {
  filter: grayscale(0%);
}

/* Form validation styles */
.contact-form .form-group input:invalid:not(:focus):not(:placeholder-shown),
.contact-form .form-group select:invalid:not(:focus),
.contact-form .form-group textarea:invalid:not(:focus):not(:placeholder-shown) {
  border-color: #dc3545;
  box-shadow: 0 0 0 3px rgba(220, 53, 69, 0.1);
}

.contact-form .form-group input:valid:not(:focus):not(:placeholder-shown),
.contact-form .form-group select:valid:not(:focus),
.contact-form .form-group textarea:valid:not(:focus):not(:placeholder-shown) {
  border-color: #28a745;
  box-shadow: 0 0 0 3px rgba(40, 167, 69, 0.1);
}

/* Loading state for form submission */
.contact-submit-btn:disabled {
  opacity: 0.7;
  cursor: not-allowed;
  transform: none;
}

/* Sidebar Navigation Styles */ 
.main-content-wrapper {
  display: flex;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 15px;
  gap: 30px;
  align-items: flex-start;
}

.content-area{
  padding: 0 0 60px;
}

.sidebar-nav {
  position: sticky;
  top: 120px;
  left: 40px;
  width: 280px;
  margin: 60px auto;
  min-width: 280px;
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(10px);
  border-radius: 12px;
  padding: 25px;
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.1);
  border: 1px solid rgba(255, 255, 255, 0.2);
  z-index: 100;
}

.sidebar-content h3 {
  font-size: 1.2rem;
  font-weight: 600;
  color: var(--primary-color);
  margin-bottom: 20px;
  padding-bottom: 10px;
  border-bottom: 2px solid var(--primary-color);
}

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

.sidebar-menu li {
  margin-bottom: 8px;
}

.sidebar-link {
  display: block;
  padding: 12px 16px;
  color: var(--text-dark);
  text-decoration: none;
  border-radius: 8px;
  font-size: 0.95rem;
  font-weight: 500;
  transition: var(--transition);
  border-left: 3px solid transparent;
}

.sidebar-link:hover {
  background: rgba(218, 5, 25, 0.1);
  color: var(--primary-color);
  border-left-color: var(--primary-color);
  transform: translateX(5px);
}

.sidebar-link.active {
  background: var(--primary-gradient);
  color: white;
  border-left-color: var(--primary-color);
  box-shadow: 0 4px 15px rgba(218, 5, 25, 0.3);
}

.content-area {
  flex: 1;
  min-width: 0;
}

.advanced-tech-section {
  margin-top: 60px;
  padding: 40px 0;
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.advanced-tech-section:last-child {
  border-bottom: none;
}

.advanced-tech-section .section-title h2 {
  font-size: 2rem;
  color: var(--primary-color);
  margin-bottom: 8px;
  font-weight: 700;
}

.advanced-tech-section .section-title h3 {
  font-size: 1.5rem;
  color: var(--text-light);
  margin-bottom: 20px;
  font-weight: 400;
  opacity: 0.9;
}

.advanced-tech-section .intro-content {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 40px;
  align-items: center;
}

.advanced-tech-section .intro-text p {
  margin-bottom: 20px;
  font-size: 1rem;
}

.advanced-tech-section .intro-image {
  text-align: center;
}

.advanced-tech-section .intro-image img {
  max-width: 100%;
  height: auto;
  border-radius: 12px;
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.3);
}

/* Responsive Design */
@media (max-width: 1024px) {
  .main-content-wrapper {
    flex-direction: column;
    gap: 20px;
  }

  .sidebar-nav {
    position: relative;
    top: auto;
    left: 0;
    min-width: auto;
  }

  .sidebar-menu {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
  }

  .sidebar-menu li {
    margin-bottom: 0;
  }

  .sidebar-link {
    padding: 10px 15px;
    font-size: 0.9rem;
    white-space: nowrap;
  }
}

@media (max-width: 768px) {
  .advanced-tech-section .intro-content {
    grid-template-columns: 1fr;
    gap: 30px;
  }

  .advanced-tech-section .section-title h2 {
    font-size: 1.6rem;
  }

  .advanced-tech-section .section-title h3 {
    font-size: 1.3rem;
  }

  .contact-form-section .intro-content{
    grid-template-columns: 1fr;
  }

  .sidebar-menu {
    flex-direction: column;
  }

  .sidebar-link {
    text-align: center;
  }
}/*
 Product Tags Styles for Specialty Chemicals Page */
.product-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 20px;
}

.product-tag {
  display: inline-block;
  padding: 8px 16px;
  background: linear-gradient(135deg, var(--primary-color), #ff1744);
  color: white;
  font-size: 0.9rem;
  font-weight: 500;
  border-radius: 20px;
  border: none;
  cursor: default;
  transition: all 0.3s ease;
  box-shadow: 0 2px 8px rgba(218, 5, 25, 0.3);
  text-shadow: 0 1px 2px rgba(0, 0, 0, 0.2);
}

.product-tag:hover {
  transform: translateY(-2px);
  box-shadow: 0 4px 15px rgba(218, 5, 25, 0.4);
  background: linear-gradient(135deg, #ff1744, var(--primary-color));
}

/* Responsive design for product tags */
@media (max-width: 768px) {
  .product-tags {
    gap: 8px;
  }
  
  .product-tag {
    padding: 6px 12px;
    font-size: 0.85rem;
  }
}

@media (max-width: 480px) {
  .product-tags {
    gap: 6px;
  }
  
  .product-tag {
    padding: 5px 10px;
    font-size: 0.8rem;
  }
}