@import url("./themes.css");
/* 基础样式重置与全局设置 */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
  font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
}
img {
  vertical-align: middle;
}
body {
  color: #333;
  background-color: var(--background-color);
  line-height: 1.6;
}

.container {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 20px;
}

/* 头部导航样式 */
.header {
  background-color: transparent;
  /* color: white; */
  padding: 10px 0;
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 1000;
  transition: all 0.3s ease;
}

.header.scrolled {
  background-color: #fff;
  padding: 10px 0;
  box-shadow: 0 2px 10px rgba(0,0,0,0.1);
}


.header .container {
  display: flex;
  justify-content: space-between;
  align-items: center;
  width: 100%;
  max-width: 100%; /* 修改为100%实现通栏 */
  padding: 0 100px; /* 保留左右内边距避免内容贴边 */
  margin: 0; /* 移除居中margin */
}

.logo {
  font-size: 24px;
  font-weight: bold;
  color: #fff;
  display: flex;
  align-items: center;
}

.logo-text {
  font-size: 22px;
  font-weight: bold;
  letter-spacing: 1px;
}

.right {
  display: flex;
  align-items: center;
}
.nav {
  display: flex;
  list-style: none;
  margin-right: 20px; /* 增加导航和按钮之间的间距 */
}

.nav li {
  margin-left: 20px;
  position: relative;
}

.nav a {
  color: white;
  text-decoration: none;
  font-weight: 500;
  transition: color 0.3s;
  padding: 5px 0;
}
.scrolled .logo{
  color: var(--primary-color);
}
.scrolled .nav a{
  color: #333;
}

.nav a:hover {
  color: var(--secondary-color);
}

.nav a:after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0;
  height: 2px;
  background-color: var(--secondary-color);
  transition: width 0.3s ease;
}

.nav a:hover:after {
  width: 100%;
}

.btn a {
  background-color: var(--secondary-color);
  color: white;
  padding: 8px 20px;
  border-radius: 5px;
  text-decoration: none;
  font-weight: bold;
  transition: all 0.3s;
  display: inline-block;
  white-space: nowrap; /* 防止按钮文本换行 */
}

.btn a:hover {
  background-color: #0077b6;
  transform: translateY(-2px);
  box-shadow: 0 4px 8px rgba(0,0,0,0.1);
}

/* 移动端菜单按钮 */
.mobile-menu-btn {
  display: none;
  flex-direction: column;
  justify-content: space-around;
  width: 25px;
  height: 25px;
  background: transparent;
  border: none;
  cursor: pointer;
  padding: 0;
}

.mobile-menu-btn span {
  width: 25px;
  height: 3px;
  background: #333;
  border-radius: 10px;
  transition: all 0.3s linear;
  position: relative;
  transform-origin: center;
}
.scrolled .mobile-menu-btn span{
  background: #333;
}
/* 汉堡菜单动画 */
.mobile-menu-btn span:nth-child(1).rotate-top {
  transform: rotate(45deg);
  top: 8px;
}

.mobile-menu-btn span:nth-child(2).hide-middle {
  opacity: 0;
}

.mobile-menu-btn span:nth-child(3).rotate-bottom {
  transform: rotate(-45deg);
  bottom: 8px;
}



/* 横幅样式 */
.banner img {
  width: 100%;
  height: auto;
  object-fit: cover;
}

/* 统计数据区域样式 start */
.statistics {
  /* background: linear-gradient(to bottom, #000750 0%, #032b8f 100%); */
  background: linear-gradient(to bottom, #000750 0%, #0162cc 100%);
  color: white;
  padding: 80px 0;
  position: relative;
  overflow: hidden;
}

/* 添加背景装饰元素 */
.statistics::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='%239C92AC' 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");
  z-index: 0;
}

.statistics .container {
  display: flex;
  justify-content: space-around;
  text-align: center;
  position: relative;
  z-index: 1;
}

.stat-item {
  padding: 30px;
  position: relative;
  transition: transform 0.3s ease;
  width: 100%;
  max-width: 300px;
}

.stat-item:hover {
  transform: translateY(-10px);
}

.stat-number-wrapper {
  position: relative;
  display: inline-block;
  margin-bottom: 15px;
}

.jumbo {
  font-size: 56px;
  font-weight: bold;
  color: var(--secondary-color);
  margin-bottom: 10px;
  line-height: 1.2;
  position: relative;
  display: inline-block;
  background: linear-gradient(90deg, var(--secondary-color), #e6a564);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  text-shadow: 0 0 15px rgba(105, 56, 26, 0.3);
}

.stat-plus {
  position: absolute;
  top: 10px;
  right: -20px;
  font-size: 24px;
  color: var(--primary-color);
  opacity: 0.8;
}

.stat-desc {
  font-size: 18px;
  opacity: 0.9;
  margin-bottom: 20px;
  font-weight: 500;
}

.stat-line {
  height: 3px;
  width: 60px;
  background: linear-gradient(90deg, transparent, var(--secondary-color), transparent);
  margin: 0 auto;
  transition: width 0.3s ease;
}

.stat-item:hover .stat-line {
  width: 100px;
}
/* 统计数据区域样式 end */

/* 标题样式 */
.title {
  text-align: center;
  margin: 60px 0 40px;
}

.title h2 {
  font-size: 32px;
  color: #0a1128;
  position: relative;
  display: inline-block;
  padding-bottom: 15px;
}

.title h2::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 80px;
  height: 3px;
  background-color: var(--secondary-color);
}

/* About区域新样式 */
.about-section {
  max-width: 1200px;
  margin: 0 auto 80px;
  padding: 0 20px;
  display: flex;
  flex-wrap: wrap;
  gap: 40px;
  align-items: center;
}

.about-content {
  flex: 1;
  min-width: 300px;
}

.about-image {
  flex: 0 0 400px;
  border-radius: 10px;
  overflow: hidden;
  box-shadow: 0 8px 20px rgba(0,0,0,0.1);
}

.about-image img {
  width: 100%;
  height: auto;
  display: block;
  transition: transform 0.5s ease;
}

.about-image:hover img {
  transform: scale(1.05);
}

.highlight-box {
  background-color: rgba(32, 100, 96, 0.1); /* 使用主题色的透明版本 */
  border-left: 4px solid var(--primary-color);
  padding: 20px;
  margin: 25px 0;
  border-radius: 0 5px 5px 0;
}

.about-content p {
  margin-bottom: 20px;
  line-height: 1.8;
}

.about-content p:last-child {
  margin: 0px;
  font-style: italic;
  color: #555;
}

/* 地域产业优势区域样式 start */
.region-section {
  max-width: 1200px;
  margin: 0 auto 80px;
  padding: 0 20px;
}

.region-card {
  background-color: var(--card-background);
  border-radius: 10px;
  padding: 30px;
  margin-bottom: 30px;
  box-shadow: 0 5px 15px rgba(0,0,0,0.05);
  display: flex;
  align-items: flex-start;
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}

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

.region-icon {
  flex: 0 0 60px;
  margin-right: 25px;
  padding-top: 5px;
}

.region-content {
  flex: 1;
}

.region-content h3 {
  color: var(--primary-color);
  font-size: 20px;
  margin-bottom: 15px;
}

.region-content p {
  line-height: 1.8;
  color: #555;
}

/* 统计数据区域 */
.region-stats {
  display: flex;
  justify-content: space-around;
  flex-wrap: wrap;
  margin-top: 40px;
  background-color: rgba(32, 100, 96, 0.05);
  padding: 30px 20px;
  border-radius: 10px;
}

.stat-item {
  text-align: center;
  padding: 15px;
  flex: 1;
  min-width: 120px;
}

.stat-number {
  display: block;
  font-size: 32px;
  font-weight: bold;
  color: var(--primary-color);
  margin-bottom: 8px;
}

.stat-label {
  color: #555;
  font-size: 14px;
}
/* 地域产业优势区域样式 end */
/* 展示范围 start */
.scope{
  max-width: 1200px;
}
.scope img{
  width: 100%;
}

/* 展示范围 end */

/* 观众群体样式 start */
.visitor-section {
  max-width: 1000px;
  margin: 0 auto 80px;
  padding: 0 20px;
}

.visitor-card {
  background-color: var(--card-background);
  border-radius: 10px;
  padding: 35px;
  box-shadow: 0 5px 15px rgba(0,0,0,0.05);
}

.visitor-list {
  list-style: none;
  columns: 2;
  gap: 15px 30px;
}

.visitor-item {
  padding: 10px 0;
  display: flex;
  align-items: center;
  color: #555;
}

.visitor-icon {
  margin-right: 12px;
  color: var(--primary-color);
  flex-shrink: 0;
}

/* 观众群体样式 end */

/* 联系区域优化样式 */
.contact-container {
  background-color: var(--background-color);
  padding: 40px 0;
  margin: 40px 0 80px;
}
.contact {
  max-width: 1200px;
  margin: 0 auto 80px;
  padding: 0 20px;
  display: flex;
  flex-wrap: wrap;
  gap: 30px;
}

.contact-card {
  flex: 1;
  min-width: 300px;
  background-color: var(--card-background);
  border-radius: 10px;
  padding: 35px;
  box-shadow: 0 5px 15px rgba(0,0,0,0.05);
  transition: transform 0.3s ease, box-shadow 0.3s ease;
  display: flex;
  flex-direction: column; /* 使用flex布局确保内容高度一致 */
}
/* 左侧联系卡片样式优化 */
.contact-left {
  border-top: 4px solid var(--primary-color);
}

/* 右侧联系卡片样式优化 */
.contact-right {
  border-top: 4px solid var(--secondary-color);
}

.contact-card:hover {
  transform: translateY(-10px);
  box-shadow: 0 15px 30px rgba(0,0,0,0.1);
}

/* 左侧联系信息样式 */
.company-name {
  font-weight: bold;
  font-size: 18px;
  color: var(--primary-color);
  margin-bottom: 20px;
}

.address, .postal-code {
  color: #555;
  line-height: 1.7;
  margin-bottom: 15px;
}

.contact-group {
  margin: 25px 0;
}

.contact-group h4 {
  color: var(--primary-color);
  margin-bottom: 15px;
  font-size: 16px;
}

.contact-person {
  margin-bottom: 12px;
  line-height: 1.8;
  color: #444;
}
.contact-person strong {
  display: inline-block;
  width: 100px;
}


.email-link {
  color: var(--primary-color);
  text-decoration: none;
  transition: color 0.3s;
}

.email-link:hover {
  color: #0077b6;
  text-decoration: underline;
}
.social-links {
  margin: 45px 0 35px;
  text-align: center;
}

.linkedin-link {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  color: var(--primary-color);
  text-decoration: none;
  transition: all 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
  padding: 12px 25px;
  border-radius: 30px;
  border: 2px solid var(--primary-color);
  background-color: transparent;
  font-weight: 500;
  min-width: 200px;
}

.linkedin-link:hover {
  background-color: var(--primary-color);
  color: white;
  transform: translateY(-3px) scale(1.05);
  box-shadow: 0 8px 15px rgba(32, 100, 96, 0.3);
}

.link-icon {
  width: 24px;
  height: 24px;
  margin-right: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.link-icon img {
  transition: transform 0.3s ease;
  width: 100%;
}

.linkedin-link:hover .link-icon img {
  transform: rotate(360deg);
}

/* 右侧二维码和主办方样式 */
.code {
  display: flex;
  justify-content: center;
  gap: 30px;
  margin-bottom: 30px;
  /* border-bottom: 1px dashed rgba(0,0,0,0.05); */
}

.qr-code {
  text-align: center;
  flex: 0 0 160px;
  transition: transform 0.3s ease;
}

.qr-code:hover {
  transform: translateY(-5px) scale(1.03);
}

.qr-wrapper {
  width: 140px;
  height: 140px;
  margin: 0 auto 15px;
  border-radius: 12px;
  overflow: hidden;
  box-shadow: 0 8px 20px rgba(0,0,0,0.12);
  padding: 12px;
  background-color: #fff;
  position: relative;
  z-index: 1;
}

.qr-code img {
  width: 100%;
  height: 100%;
  object-fit: contain;
  transition: transform 0.3s ease;
}

.qr-code:hover img {
  transform: scale(1.08);
}

.qr-code span {
  display: block;
  color: #333;
  font-size: 14px;
  line-height: 1.5;
  margin-top: 10px;
  font-weight: 500;
  position: relative;
  padding-bottom: 8px;
}

.qr-code span:after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 0;
  height: 2px;
  background-color: var(--primary-color);
  transition: width 0.3s ease;
}

.qr-code:hover span:after {
  width: 60%;
}

.hosts {
  color: #555;
  line-height: 1.6;
  display: flex;
  flex-direction: column;
  flex-grow: 1; /* 让主办方区域占满剩余空间 */
}

.hosts h3 {
  color: var(--primary-color);
  margin-bottom: 15px;
  font-size: 18px;
  padding-bottom: 8px;
  border-bottom: 1px solid rgba(0,0,0,0.08);
}

.host-list {
  list-style: none;
  margin-bottom: 25px;
}

.host-list li {
  margin-bottom: 10px;
  color: #555;
  line-height: 1.6;
  position: relative;
  padding-left: 18px;
}

.host-list li:before {
  content: "•";
  position: absolute;
  left: 0;
  color: var(--primary-color);
  font-weight: bold;
}

.organizer {
  color: #444;
  font-weight: 500;
}
.contact-info, .hosts{
  flex-grow: 1; /* 让内容区域自动填充空间 */
}
.mobile-btn{
  display: none;
}


/* 响应式设计 */
@media (max-width: 992px) {
  .nav {
    margin-right: 15px;
  }
  
  .nav li {
    margin-left: 15px;
  }
  
  .nav.active {
      transform: translateY(0);
      opacity: 1;
      pointer-events: all;
  }
  
  .mobile-menu-btn {
      display: flex;
      margin-left: 20px;
  }
}
/* 响应式设计 */
@media (max-width: 768px) {
  .header{
    background-color: #fff;
  }
  .header .container{
    padding: 0 10px;
  }
  .logo{
    color: var(--primary-color);
  }
  .btn a{
    display: none;
  }

  .banner{
    padding-top: 55px;
  }
  
  .nav {
    position: absolute;
    top: 100%;
    right: 0;
    flex-direction: column;
    width: 250px;
    background-color: var(--primary-color);
    border-radius: 0 0 0 10px;
    box-shadow: -5px 5px 10px rgba(0,0,0,0.1);
    transform: translateY(-10px);
    opacity: 0;
    pointer-events: none;
    transition: all 0.3s ease;
  }
  .nav.active {
      transform: translateY(0);
      opacity: 1;
      pointer-events: all;
  }
  .scrolled .nav a{
    color: #fff;
  }

  .nav li {
    margin: 0;
    padding: 0;
    border-bottom: 1px solid rgba(255,255,255,0.1);
  }
  .nav a{
    padding: 12px 20px;
    display: block;
  }

  .mobile-menu-btn {
      display: flex;
      margin-left: 20px;
  }

  /* 统计 */
  .statistics{
    padding: 30px 0;
  }
  .statistics .container{
    box-sizing: border-box;
  }
  .stat-item{
    padding: 5px;
    width: 30%;
    box-sizing: border-box;
    min-width: 1px;
  }
  .jumbo{
    margin-bottom: 0;
    font-size: 24px;
  }
  .stat-plus{
    top: 0;
    right: -12px;
    font-size: 16px;
  }
  .stat-desc{
    margin-bottom: 10px;
    font-size: 12px;
    white-space: nowrap;
    font-weight: inherit;
  }

  /* title */
  .title{
    margin: 30px 0;
  }
  .title h2{
    padding-bottom: 6px;
    font-size: 24px;
  }
  .title h2::after{
    width: 40px;
  }
  /* 介绍 */
  .about-section{
    display: block;
  }
  .about-image{
    width: 100%;
    height: auto;
    margin-bottom: 30px;
  }
  .about-content p,
  .about-content p:last-child{
    margin-bottom: 10px;
  }
  .region-section,.visitor-section{
    margin-bottom: 0;
  }
  /* 地域产业优势卡片 */
  .region-card {
    flex-direction: column;
  }
  
  .region-icon {
    margin-right: 0;
    margin-bottom: 15px;
  }
  

  /* 观众群体列表 */
  .visitor-list {
    columns: 1;
  }
  .visitor-card {
    padding: 25px;
  }

  /* 联系我们卡片 */
  .contact-card {
    width: 100%;
    padding: 25px;
  }
  
  .code {
    justify-content: center;
    gap: 4px;
  }
  .qr-code span{
    font-size: 12px;
  }
  
  .qr-wrapper {
    width: 120px;
    height: 120px;
  }

  .mobile-btn{
    display: block;
    position: fixed;
    bottom: 0;
    left: 0;
    width: 100%;
    background-color: #fff;
    z-index: 1000;
  }
  .mobile-btn a{
    display: block;
    text-align: center;
    padding: 12px 0;
    font-size: 16px;
    color: #fff;
    background-color: var(--primary-color);
    border-radius: 0;
    transition: all 0.3s;
    
    text-decoration: none;
  }

}

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

.about, .region, .scope, .visitor, .contact {
  animation: fadeIn 0.8s ease-out;
}

.item {
  transition: transform 0.3s;
}

.item:hover {
  transform: translateY(-10px);
}