@import url('https://fonts.googleapis.com/css2?family=Montserrat:wght@400;700&display=swap');

body {
  margin: 0;
  font-family: 'Montserrat', 'Segoe UI', Arial, sans-serif;
  background: linear-gradient(120deg, #0a174e 0%, #000 100%);
  color: #fff;
}

.top-image {
  position: relative;
  width: 100vw;
  height: auto;
  overflow: hidden;
  background: #0a174e;
  box-shadow: 0 4px 24px rgba(10, 23, 78, 0.18);
  display: block;
}

.top-image img {
  width: 100%;
  height: auto;
  object-fit: cover;
  display: block;
  margin: 0;
  padding : 0;
  z-index: 1;
}

/* ...existing code... */

.logo-bar {
  position: absolute;
  top: 100px;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 10;
  background: none;
}

.logo-link {
  display: flex;
  align-items: center;
  text-decoration: none;
}

.logo-img {
  height: 50px !important;
  width: 50px !important;
  object-fit: contain;
  margin-right: 1px;
  align-items: center;
  background: transparent;
}

.logo-text {
  font-family: 'Montserrat', Arial, sans-serif;
  font-size: 3em;
  color: #070580;
  letter-spacing: 2px;
  font-weight: 1000;
  vertical-align: middle;
  line-height: 1;
  text-shadow: 2px 2px 8px #afafac, 0 0 4px #000; /* 添加阴影 */
  transition: color 0.2s, text-shadow 0.2s;
}

.logo-link:hover .logo-text {
  color: #ffd700;
  text-shadow: 2px 2px 12px #d8d8db, 0 0 8px #dfdfdf;
}

/* ...existing code... */

/* 渐变模糊遮罩（底部才有模糊，且逐渐增强） */
.top-image::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  height: 60px;
  pointer-events: none;
  background: linear-gradient(
    to bottom,
    rgba(10,23,78,0) 0%,
    rgba(10,23,78,0.2) 40%,
    rgba(10,23,78,0.7) 100%
  );
  filter: blur(12px);
  z-index: 2;
}

.blur-header {
  margin-top: -5px;
  position: below the top-image;
  width: 100%;
  background: rgba(10,23,78,0.7);
  backdrop-filter: blur(12px);
  text-align: center;
  font-size: 3.2em;
  font-family: 'Montserrat', Arial, sans-serif;
  color: #fff;
  padding: 18px 0 10px 0;
  z-index: 20;
  box-shadow: 0 2px 12px rgba(10, 23, 78, 0.12);
  letter-spacing: 2px;
  font-weight: 800;
}

.main-content {
  max-width: 1500px;
  margin: 0 auto;
  padding: 32px 0;
  z-index: 5;
  position: relative;
}

.nav-menu {
  display: flex;
  flex-direction: column;
  gap: 18px;
  background: none;
  margin-bottom: 28px;
}

.nav-menu a {
  display: block;
  background: rgba(10,23,78,0.85);
  border-radius: 16px;
  box-shadow: 0 2px 8px rgba(10, 23, 78, 0.18);
  padding: 18px 0;
  color: #fff;
  text-decoration: none;
  font-weight: 700;
  font-size: 2.15em;
  text-align: center;
  transition: 
    background 0.2s,
    transform 0.2s,
    box-shadow 0.2s,
    color 0.2s;
  border: 2px solid #1a237e;
  cursor: pointer;
  position: relative;
  overflow: hidden;
}

.nav-menu a:active {
  background: #1a237e;
  transform: scale(0.97);
  box-shadow: 0 1px 4px rgba(10, 23, 78, 0.28);
}

.nav-menu a:hover {
  background: #162447;
  color: #ffd700;
  box-shadow: 0 4px 16px rgba(10, 23, 78, 0.28);

  transform: scale(1.03);
}

.section {
  background: rgba(10,23,78,0.92);
  border-radius: 18px;
  padding: 28px 22px;
  margin: 18px 0;
  box-shadow: 0 2px 12px rgba(10, 23, 78, 0.18);
  animation: fadeIn 1.2s;
  border: 2px solid #1a237e;
  height: auto !important;
}

.section h2 {
  color: #ffd700;
  margin-bottom: 14px;
  font-family: 'Montserrat', Arial, sans-serif;
  font-weight: 700;
  font-size: 3em;
  text-align: center;
}

.section p, .section ul, .section li {
  font-family: 'Raleway', Arial, sans-serif;
  font-size: 3em;
  font-style: italic;
  font-weight: bold;
  line-height: 2em;
  color: #ffffff;
}

p{
  margin-top: 0;
  margin-bottom: 30px;
}

x{
  font-size: 1.3em;
  font-weight: 500;
  line-height: 1.8em;
  font-style: italic;
  font-weight: bold;
  font-family: 'Times New Roman';
  color: gold;
  margin-top: 0;
  margin-bottom: 30px;
}

.y{
  font-size: 1.3em;
  font-weight: 500;
  line-height: 1.8em;
  font-style: italic;
  font-weight: bold;
  font-family: 'Times New Roman';
  color: lightblue;
}

.y{ 
  margin-top: 0;
  margin-bottom: 30px;
}

.m{
  font-size: 20%;
  font-weight: bold;
  line-height: 1.8em;
  font-style: italic;
  font-weight: bold;
  font-family: 'Times New Roman';
  color: navy;
  margin-top: 0;
  margin-bottom: 30px;
}

.joinus{
  text-align: center;
  font-size: 2.5em;
  font-style: "Times New Roman";
  font-weight: 700;
  color: #ffd900;
  margin-top: 0;
  margin-bottom: 30px;
}

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

/* Button style for future use */
.colorful-btn {
  margin-top: 24px;
  padding: 14px 36px;
  font-size: 1.1em;
  color: #fff;
  background: linear-gradient(90deg, #1a237e, #0a174e);
  border: none;
  border-radius: 30px;
  box-shadow: 0 4px 20px rgba(10, 23, 78, 0.18);
  cursor: pointer;
  transition: transform 0.2s, box-shadow 0.2s, background 0.2s, color 0.2s;
  font-family: 'Montserrat', Arial, sans-serif;
  font-weight: 700;
}

.colorful-btn:hover {
  transform: scale(1.07);
  box-shadow: 0 8px 30px rgba(10, 23, 78, 0.28);
  background: #ffd700;
  color: #1a237e;
}

/* 会议卡片通用样式 */
.meeting-card {
  display: block; /* 让链接占满一行，成为“块级卡片” */
  background-color: rgba(255, 255, 255, 0.1); /* 半透明背景（与深蓝色背景融合） */
  border: 1px solid lightblue; /* 浅蓝色边框 */
  border-radius: 8px; /* 圆角优化 */
  padding: 15px; /* 内边距，增加文字呼吸感 */
  margin: 10px 0; /* 上下外边距，分隔不同卡片 */
  color: lightblue; /* 文字颜色（浅蓝色） */
  font-family: 'Times New Roman', Times, serif; /* 字体 */
  text-decoration: none; /* 去掉链接默认下划线 */
  transition: background-color 0.3s ease; /* hover 效果的平滑过渡 */
}

/* 鼠标悬浮时的交互效果 */
.meeting-card:hover {
  background-color: rgba(255, 255, 255, 0.2); /* 悬浮时背景更亮 */
  text-decoration: underline; /* 悬浮时显示下划线，提示可点击 */
}

/* 标题样式（保持与整体一致） */
h2 {
  font-family: 'Times New Roman', Times, serif;
  color: lightblue; /* 或根据设计调整为黄色等 */
  text-align: center;
  margin-bottom: 20px;
}

/* 保留原有样式（如.top-image、.blur-header 等，需根据实际项目补充） */
.top-image {
  /* 原有顶部图片样式... */
  position: relative;
  width: 100vw;
  height: auto;
  overflow: hidden;
  background: #0a174e;
}
.blur-header {
  /* 原有模糊标题样式... */
  width: 100%;
  background: rgba(10,23,78,0.7);
  backdrop-filter: blur(12px);
  text-align: center;
  font-size: 3.2em;
  font-family: 'Times New Roman', Times, serif;
  color: #fff;
  padding: 18px 0 10px 0;
}

.meeting-card {
  display: block;
  background-color: rgba(255, 255, 255, 0.1);
  border: 1px solid lightblue;
  border-radius: 8px;
  padding: 15px;
  margin: 15px auto;
  width: 90%;
  max-width: 1200px;
  color: lightblue;
  font-family: 'Times New Roman', Times, serif;
  font-size: 30px;
  text-decoration: none;
  transition: background-color 0.3s ease; /*  hover 动画 */
}

.meeting-card:hover {
  background-color: rgba(255, 255, 255, 0.2); /*  hover 时加深背景 */
}

/* 会议信息分栏 */
.meeting-info {
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap; /* 小屏幕自动换行 */
}

.meeting-item {
  flex: 1;
  min-width: 200px;
  margin: 5px;
  line-height: 1.6;
}

/* 返回链接（可在会议详情页复用） */
.back-link {
  display: inline-block;
  margin-top: 20px;
  padding: 10px 20px;
  background-color: rgba(10, 23, 78, 0.7);
  color: lightblue;
  text-decoration: none;
  border-radius: 4px;
  transition: background-color 0.3s ease;
  font-size: 25px;
}

.back-link:hover {
  background-color: rgba(10, 23, 78, 0.9);
}

/* 响应式适配（小屏幕） */
@media (max-width: 768px) {
  .blur-header {
    font-size: 2.5em;
  }
  .meeting-info {
    flex-direction: column; /* 小屏幕下垂直排列 */
  }
  .meeting-item {
    min-width: auto;
    margin: 5px 0;
  }
}

/* 轮播容器：控制整体尺寸和溢出隐藏 */
.image-carousel {
  width: 100%;
  height: 780px; /* 轮播图高度，可根据需求调整 */
  position: relative; /* 为绝对定位的图片做参考 */
  margin-top: 30px; /* 与上方文字的间距 */
}

/* 轮播图片：统一尺寸 + 绝对定位 */
.carousel-img {
  width: 100%;
  height: auto;
  display: block;
  object-fit: contain; /* 保持图片比例，避免变形 */
  position: absolute;
  margin: 0; 
  padding: 0; 
  top: 0;
  left: 0;
  opacity: 0; /* 初始状态：透明（不显示） */
  animation: carousel-play 12s infinite; /* 动画名 + 持续12秒 + 无限循环 */
}

/* 每张图片的动画延迟（实现“依次显示”） */
.carousel-img:nth-child(1) {
  animation-delay: 0s; /* 第1张：0秒后开始 */
}
.carousel-img:nth-child(2) {
  animation-delay: 4s; /* 第2张：4秒后开始 */
}
.carousel-img:nth-child(3) {
  animation-delay: 8s; /* 第3张：8秒后开始 */
}
/* 若有更多图片，继续添加：nth-child(4) 延迟12s，以此类推 */

/* 关键帧动画：控制“显示→保持→隐藏”的过程 */
@keyframes carousel-play {
  0% {
    opacity: 0; /* 开始：透明 */
  }
  10% {
    opacity: 1; /* 10%时长时：完全显示 */
  }
  33% {
    opacity: 1; /* 保持显示到33%时长 */
  }
  43% {
    opacity: 0; /* 43%时长时：透明（隐藏） */
  }
  100% {
    opacity: 0; /* 结束：透明 */
  }
}

.about-poster {
  display: block;
  margin: 1.5em auto 2em; 
  max-width: 85%; 
  height: auto;
  border-radius: 6px;
  box-shadow: 0 2px 4px rgba(0,0,0,0.1);
}

/* 成员横向排列容器 */
.members-row {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 20px;
  margin: 30px 0;
}

/* 单个成员项样式 */
.member-item {
  width: 280px;
  background-color: #fff;
  border-radius: 8px;
  box-shadow: 0 2px 6px rgba(0, 0, 0, 0.1);
  padding: 20px;
  text-align: center;
}

/* 成员头像样式（使用附件的黑色圆形图标） */
.member-avatar {
  width: 100px;
  height: 100px;
  border-radius: 50%;
  margin: 0 auto 15px;
  display: block;
}

/* 成员姓名样式 */
.member-name {
  font-family: 'Montserrat', sans-serif;
  font-size: 28px;
  font-weight: 600;
  margin-bottom: 8px;
  color: #0a174e;
}

/* 成员职位样式 */
.member-position {
  font-family: 'Montserrat', sans-serif;
  font-size: 25px;
  color: navy;
  margin-bottom: 10px;
  font-weight: bold;
}

/* 成员介绍样式 */
.member-intro {
  font-family: 'Montserrat', sans-serif;
  font-size: 22px;
  line-height: 1.5;
  color: black;
  text-align: left;
}