/* ===== 父容器重置 ===== */
#quarto-content > div {
  max-width: 100% !important;
  padding: 0 !important;
}

/* ===== 导航栏 logo 对齐样式 ===== */
  .navbar .nav-link img {
    vertical-align: middle;
    margin-right: 10px;
  }

  
  /* ===== 固定导航栏样式优化（背景 + 阴影）===== */
  .navbar {
    background-color: #ffffff;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
    padding-top: 0;
    padding-bottom: 0;
    padding: 0;
    position: sticky;
    top: 0;
    z-index: 1000;
    margin: 0;
     height: 80px; 
    color: #333 ;
  }

.navbar a, .navbar .nav-link {
  color: #333 !important;
}

.navbar a:hover,
.navbar .nav-link:hover {
  color: #2f93b2 !important; /* 蓝色高亮，也可换成你喜欢的颜色 */
}



    /*主页轮播图 */

  /* 重置Quarto默认header样式 */
  #quarto-header {
    height: 0 !important;
    padding: 0 !important;
    margin: 0 !important;
    min-height: 0 !important;
    border: none !important;
  }
  
  /* 修复内容容器的高度计算 */
  #quarto-content {
    min-height: 100vh !important;
    margin-top: 0 !important;
    padding-top: 0 !important;
  }

  /* ===== 页面整体排版美化 ===== */
  body {
  margin: 0;
  padding: 0;
  overflow-x: hidden; /* 保持正常滚动，方便调试 */
  background-color: #fafafa;
  font-family: "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  }

  /* 轮播图容器 */
  .carousel-wrapper {
    position: relative;
    left: 50%;
    right: 50%;
    margin-top: 0;
    padding-top: 0;
    margin-left: -50vw;
    margin-right: -50vw;
    width: 100vw;
    max-width: 100vw;
    overflow-x: hidden;
  }
  
  .hero-carousel {
    width: 100vw;
    height: 500px;
    overflow: hidden;
    margin-top: 0;
    padding-top: 0;
    position: relative;
  }
  
  .carousel-inner {
    display: flex;
    width: calc(100vw * 3);
    height: 100%;
    transition: transform 0.5s ease;
  }
  
  .carousel-inner img {
    width: 100vw;
    height: 100%;
    object-fit: cover;
    flex-shrink: 0;
  }

    .hero-carousel::after {
    content: "";
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    height: 50px; /* 渐变高度 */
    background: linear-gradient(to top, rgba(0, 0, 0, 0.316), transparent);
    pointer-events: none; /* 保证不影响按钮点击 */
    z-index: 5;
  }

  
  .carousel-btn {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    background: rgba(255, 255, 255, 0.4);
    border: none;
    font-size: 2rem;
    padding: 0.5rem 1rem;
    cursor: pointer;
    z-index: 10;
  }
  
  .carousel-btn.left { left: 10px; }
  .carousel-btn.right { right: 10px; }








  
  
  /* ===== 页面内容区域美化 ===== */
  .home-section {
    padding: 60px 20px;
    width: 85vw;        /* 撑满整个视口宽度 */
    margin-left: -30%;           /* 去掉居中限制 */
    max-width: none;
    background-color: #c8c8c800;
  }

  .home-carousel-wrapper {
    position: relative;
    overflow: hidden;
    width: 600px;    /* 固定宽度 */
    height: 337.5px; /* 16:9 比例，比如 600 * 9/16 */
  }

  .home-carousel-inner {
    display: flex;
    width: 300%;  /* 3 张图片 */
    transition: transform 0.5s ease;
    height: 100%; /* 高度撑满容器 */
  }

  .home-carousel-inner img {
    width: 33.3333%;
    height: 100%;
    object-fit: cover; /* 图片裁剪，填满容器 */
    flex-shrink: 0;
  }

  .home-carousel-btn {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    background-color: rgba(0, 0, 0, 0.4);
    color: white;
    border: none;
    padding: 10px;
    cursor: pointer;
    z-index: 2;
  }

  .home-carousel-btn.left {
    left: 10px;
  }

  .home-carousel-btn.right {
    right: 10px;
  }

  .home-flex-row {
    display: flex;
    flex-wrap: nowrap;
    gap: 20px;
    padding: 0 20px;
  }

  .home-left {
    flex: 1 1 45%;
    max-width: 30%;
  }

  .home-right {
    margin-left: auto;
    flex: 1 1 45%;
    max-width:45%;
  }

  .home-right h2 {
  background-color: #004080;  /* 深蓝背景色 */
  color: white;               /* 白色文字 */
  padding: 8px 16px;          /* 上下8px，左右16px内边距 */
  display: inline-block;      /* 宽度跟文字一样 */
  margin-bottom: 16px;        /* 下方留点空 */
  margin-top: -8px;
  font-size: 28px;
  font-weight: 600;           /* 字体加粗 */
  width:50%;
  }


  .home-news-list {
    list-style: none;
    padding-left: 0;
  }

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


  .home-news-list li:hover {
  color: #004080;           /* 字体变蓝 */
  text-decoration: underline; /* 添加下划线 */
  cursor: pointer;            /* 鼠标变小手 */
  }








/* 首页研究方向 */
.section-title1 {
  display: block;
  max-width: 100%;              /* 避免超出容器 */
  padding: 8px 16px !important; /* 横向加大 padding，扩展背景 */
  background-color: #004080;
  color: white !important;
  border-radius: 0;
  font-weight: 600;
  font-size: 28px !important; 
  margin-bottom: 20px;
  padding-left: 0;    /* 取消默认的padding-left */
  padding-right: 16px; /* 保留右侧内边距 */
  text-align: left !important;
  display: block;
  width: 20%;
}

.research-section {
  position: relative;
  min-height: 400px;
  overflow: visible; /* 防止背景被裁剪 */
}

/* 背景层使用 ::before，并扩大宽度 */
.research-section::before {
  content: "";
  position: absolute;
  top: 0;
  left: -200px; /* 向左偏移 200px */
  width: calc(100% + 200px); /* 宽度增加偏移量，确保覆盖 */
  height: 100%;
  background-image:
      linear-gradient(to right, rgba(255, 255, 255, 0.834), rgb(255, 255, 255)),
      url('images/research-background.jpg');
  background-size: cover;
  background-position: center;
  z-index: 0;
}

/* 内容层置顶 */
.research-section > *:not(.research-overlay) {
  position: relative;
  z-index: 2;
}

/* —— 封面容器 —— */
.home-coverflow-wrapper {
  perspective: 1200px;       /* 轻微加深透视 */
  overflow: visible;
  padding: 60px 0;           /* 上下留白更均衡 */
}

.home-coverflow-container {
  display: flex;
  justify-content: center;
  align-items: center;
  transition: transform 0.5s ease;
  transform-style: preserve-3d;

  margin: 0 60px;            /* 左右边距扩大，五张时不贴边 */
  box-sizing: border-box;
}

/* —— 卡片 —— */
.home-coverflow-card {
  min-width: 260px;          /* 略微收窄，整体更紧凑 */
  height: 240px;
  margin: 0 20px;
  padding: 20px;
  background: #fff;
  border-radius: 10px;
  box-shadow: 0 4px 8px rgba(0,0,0,.1);
  text-align: center;
  transition: transform .5s ease, opacity .5s ease;
  position: relative;
  cursor: pointer;
  color: inherit;
  text-decoration: none;
}



/* 当前卡片高亮样式 */
.home-coverflow-card.active {
  opacity: 1 !important;
  box-shadow: 0 10px 20px rgba(0,0,0,0.3);
  transform-style: preserve-3d;
  z-index: 20 !important;
}

/* 其它卡片淡化 */
.home-coverflow-card.dimmed {
  opacity: 0.4;
  box-shadow: none;
  z-index: 1;
}

.home-coverflow-nav {
  text-align: center;
  margin-top: 20px;
}

.home-coverflow-nav button {
  background: #444;
  color: white;
  border: none;
  padding: 10px 20px;
  margin: 0 10px;
  cursor: pointer;
  border-radius: 6px;
}






    /* 轮播容器样式 */
/* 外层：限制宽度、隐藏溢出即可 */
.group-carousel-wrapper{
  position:relative;
  width:100%;
  max-width:1200px;
  margin:0 auto;
  margin-left: 0;
  padding:0 80px;           /* 按钮空间 */
  overflow:hidden;
  perspective:1000px;
}

/* 内层：改为相对定位，让每张图绝对定位 */
.group-carousel-inner{
  position:relative;
  width:100%;
  height:400px;
}

/* 通用图片样式（所有图绝对定位，起点在容器水平中点） */
.group-carousel-inner img{
  position:absolute;
  top:50%;
  left:50%;                 /* 以中点为原点再平移 */
  transform:translate(-50%,-50%) scale(.8);
  width:40%;
  height:250px;
  object-fit:cover;
  border-radius:8px;
  box-shadow:0 10px 20px rgba(0,0,0,.2);
  transition:transform .6s ease,opacity .6s ease,filter .6s ease;
  opacity:0;
  filter:brightness(.7);
  z-index:1;
}

/* ——五个“槽位”—— */

/* 中间：放大、最亮 */
.group-carousel-inner img.active{
  transform:translate(-50%,-50%) scale(1);
  width:60%;
  height:350px;
  opacity:1;
  filter:none;
  z-index:4;
}

/* 左右紧邻： */
.group-carousel-inner img.prev{
  transform:translate(calc(-150% + 40px),-50%) scale(.8) rotateY(15deg);
  opacity:.8;
  z-index:3;
}
.group-carousel-inner img.next{
  transform:translate(calc(  50% - 40px),-50%) scale(.8) rotateY(-15deg);
  opacity:.8;
  z-index:3;
}

/* 再外侧两张：仅做过渡（几乎看不见） */
.group-carousel-inner img.off-left{
  transform:translate(calc(-250% + 60px),-50%) scale(.7) rotateY(25deg);
  opacity:0;
  z-index:2;
}
.group-carousel-inner img.off-right{
  transform:translate(calc( 150% - 60px),-50%) scale(.7) rotateY(-25deg);
  opacity:0;
  z-index:2;
}

/* 按钮 */
.group-carousel-btn{
  position:absolute;top:50%;transform:translateY(-50%);
  width:60px;height:60px;border:none;border-radius:50%;
  background:rgba(255,255,255,.8);font-size:28px;cursor:pointer;
  display:flex;align-items:center;justify-content:center;
  box-shadow:0 4px 12px rgba(0,0,0,.15);z-index:10;
}
.group-carousel-btn.left {left:0;}
.group-carousel-btn.right{right:0;}
.group-carousel-btn:hover{background:#fff;transform:translateY(-50%) scale(1.1);}










  /*成员展示界面


  /* 成员列表容器调整 */
.team-container {
  width: 80%; /* 页面3/4宽度 */
  max-width: 1200px;
  margin: 0 auto;
  margin-top: 80px;
  padding: 0 20px;
 }

  /*成员列表界面大图 */

.team-hero {
  position: relative;
  width: 100vw;
  height: 250px;
  margin-left: calc(-50vw + 50%);
  margin-right: calc(-50vw + 50%);
  max-width: 100vw;
  margin-bottom: 2rem;
  overflow: hidden;
  background-color: #fff;
}

.team-hero img {
  width: 100%;
  height: 100%;
  display: block;
  object-fit: cover;
}

/* 渐变底部条，可选 */
.hero-footer {
  position: absolute;
  bottom: 0;
  left: 0;
  width: 100%;
  height: 40px;
  background: linear-gradient(to right, rgba(63, 173, 149, 1), rgba(255, 255, 255, 0));
  color: white;
  display: flex;
  align-items: center;
  padding-left: 20px;
  box-sizing: border-box;
  font-size: 18px;
  font-weight: 600;
  z-index: 10;
}



/* 下面正文容器：保持宽度为页面的 80% */
.team-container {
  width: 80%;
  max-width: 1200px;
  margin: 2rem auto 0 auto;
  padding: 0 20px;
}

/* 调整页面主体位置 */
body {
  padding-top: 0; /* 如果之前有设置，可以移除或调整 */
}



/* ========== 成员列表新布局 ========== */
.member-list {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
  padding: 1rem 0;
}

/* 成员项 - 横向布局 */
/* ========== 修改后的成员卡片样式 ========== */
/* 卡片容器 */
.member-item {
  display: flex;
  align-items: stretch;
  padding: 0;
  min-height: 80px;
  position: relative;
  overflow: visible; /* 允许溢出 */
    transition: 
    transform 0.4s cubic-bezier(0.25, 0.46, 0.45, 0.94),
    box-shadow 0.4s cubic-bezier(0.25, 0.46, 0.45, 0.94);
  will-change: transform, box-shadow; /* 性能优化 */
}



.member-item:hover {
  transform: translateY(-5px); /* 增加浮动高度 */
  box-shadow: 
    0 6px 16px rgba(0, 0, 0, 0.12), /* 主阴影 */
    0 2px 6px rgba(0, 0, 0, 0.08);  /* 辅助阴影 */
}

/* 点击反馈效果 */
.member-item:active {
  transform: translateY(-2px);
  box-shadow: 0 4px 8px rgba(0,0,0,0.1);
}

.member-avatar {
  flex: 1;
  max-width: 33.33%;
  position: relative;
  z-index: 1;
}

/* 头像背景层 */
.member-avatar::before {
  content: "";
  position: absolute;
  top: -6px;       /* 向上溢出 */
  left: -6px;      /* 向左溢出 */
  width: 100%;
  height: 100%;
  background: rgba(63, 173, 149, 1); /* 浅蓝色背景 */
  z-index: -1;
}

/* 头像图片 */
.member-avatar img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  position: relative;
  z-index: 2;
}



/* 文字容器 - 占2份宽度 */
.member-info {
  flex: 4;                /* 占2份 */
  padding: 12px 15px;
  min-width: 0;           /* 允许内容收缩 */
  box-sizing: border-box; /* 包含padding在宽度内 */
}

.member-name {
  font-size: 1.05rem;
  font-weight: 600;
  margin-bottom: 0.2rem;
  color: #333;
  white-space: nowrap;  /* 防止名字换行 */
  overflow: hidden;
  text-overflow: ellipsis;
}

.member-title {
  font-size: 0.82rem;
  color: #666;
  line-height: 1.3;
}

/* 响应式调整 */
@media (max-width: 1200px) {
  .member-avatar {
    width: 60px;
    height: 60px;
  }
}

@media (max-width: 992px) {
  .member-list {
    grid-template-columns: repeat(2, 1fr); /* 中屏幕改为2列 */
  }
}

@media (max-width: 768px) {
  .member-list {
    grid-template-columns: 1fr; /* 小屏幕改为1列 */
  }
  
  .member-item {
    padding: 1rem;
  }
  
  .member-avatar {
    width: 50px;
    height: 50px;
  }
}

/* =========  成员展示页专用补丁  ========= */

/* —— 顶部大图横幅 —— */
.team-hero {
  /* 让容器真正横跨整屏 */
  width: 100vw;
  margin-left: calc(-50vw + 50%);
  margin-right: calc(-50vw + 50%);
  max-width: 100vw;

  /* 视觉与排版 */
  height: 250px;           /* 统一高度，可按需改 400px */
  background-size: cover;
  background-position: center;
  display: flex;
  justify-content: center;
  align-items: center;

  /* 避免和正文贴在一起 */
  margin-bottom: 3rem;
  margin-top: 0;
}

/* —— 正文容器：80% 宽 —— */
.team-container {
  width: 100%;
  max-width: 5000px;
  margin: 0 auto;
  padding: 0 20px;
  left: -300px;
}

/* —— 大导师 —— */
.director-image img {
  width: 300px;
  height: 400px;
  object-fit: cover;
  border-radius: 0px;
}
.flex-row {
  display: flex;
  align-items: flex-start;
  gap: 0px;
  margin-bottom: 2rem;
}

.director-info {
  background-color: rgba(63, 173, 149, 1);  /* 浅灰背景，可自定义颜色 */
  border: 2px solid #cccccc00;     /* 灰色边框，可调颜色 */
  padding: 20px;
  height:400px;
  color: rgb(240, 240, 240);
  box-sizing: border-box;     /* 保证边框不会撑大容器 */
}












 /* ===== 相册样式 ===== */


.photo-container {
  display: grid;
  grid-template-columns: repeat(5, 1fr);  /* 一排固定 5 张图 */
  gap: 10px;
  padding: 10px;
  margin-left: -12vw;
  width: 98vw;
  margin-top: 35px;
  box-sizing: border-box;
}

.photo-container img {
  width: 100%;
  height: 150px;
  object-fit: cover;
  border-radius: 6px;
  cursor: pointer;
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.photo-container img:hover {
  transform: scale(1.05);
  box-shadow: 0 6px 12px rgba(0, 0, 0, 0.2);
}



















           /* ===== 研究方向样式 ===== */

            /* —— 顶部大图设置 —— */
            

.image-hero {
  width: 100vw;
  height: 250px;
  margin-left: calc(-50vw + 50%);
  margin-right: calc(-50vw + 50%);
  max-width: 100vw;
  margin-top: 0;
  margin-bottom: 3rem;
  overflow: hidden;
  position: relative;
}

.image-hero .hero-img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

/* 可选：底部左侧渐变条（你之前 hero-footer 风格） */
.image-hero .hero-footer {
  position: absolute;
  bottom: 0;
  left: 0;
  width: 100%;
  height: 40px;
  background: linear-gradient(to right, rgba(63, 173, 149, 1), rgba(255, 255, 255, 0));
  color: white;
  display: flex;
  align-items: center;
  padding-left: 20px;
  box-sizing: border-box;
  font-size: 18px;
  font-weight: 600;
  z-index: 10;
}



            /* —— 按钮容器设置 —— */


.sidebar-diamond-buttons {
  position: fixed;
  left: 0;
  top: 68%;               /* 从屏幕顶部算起，60%高度 */
  transform: translateY(-50%);
  bottom: 20px;  
  display: flex;
  flex-direction: column;
  align-items: center;
  width: 80px;
  z-index: 1000;
  transition: transform 0.3s ease;
}


         /* —— 左侧按钮设置 —— */


.diamond-button {
  width: 100px;
  height: 120px;
  background: #3ea0a7;
  color: white;
  text-align: center;
  line-height: 80px;
  font-weight: bold;
  text-decoration: none;
  clip-path: polygon(0% 0%, 100% 30%, 100% 100%, 0% 70%);
  transition: transform 0.3s ease, box-shadow 0.3s ease;
  margin: -25px 0; /* 嵌合关键，略微重叠 */
  z-index: 1;
  text-align: center;
  line-height: 140px;
}
.sidebar-diamond-buttons a:last-child {
  clip-path: polygon(0% 0%, 100% 30%, 100% 70%, 0% 100%);
}

.diamond-button:hover {
  transform: scale(1.1);
  box-shadow: 0 4px 12px rgba(0,0,0,0.3);
  z-index: 2;
}


.sidebar-diamond-buttons {
  position: fixed;
  left: 0;
  display: flex;
  flex-direction: column;
  align-items: center;
  width: 80px;
  z-index: 1000;
}

.content-area {
  margin-left: 130px;
  padding: 20px;
}


           /* —— 内容区设置 —— */


.content-area {
  margin-left: -80px;
  padding: 20px;
  max-width: 100vw;  
}

/* 课题组标题 */
.section-title {
  font-size: 1.2rem;       /* <<< 调整标题字号 */
  font-weight: 600;        /* 加粗 */
  color: #000000;
  margin: 0 0 12px;
}

/* ===== 文本 + 图片横向排版 ===== */
.section-content {
  display: flex;
  flex-direction: column;  /* 改为上下排列（默认 column 可省略） */
  gap: 10px;   
  height:600px !important; 
}

/* 左列文字宽度控制 */
.section-text {
  flex: 1 1 600px;         /* <<< 最小 600px，可伸缩填满 */
}

/* 右列图片宽度控制 */
.section-image {
  display: flex;
  gap: 15px;               /* 图片间距 */
  flex-wrap: wrap;         /* 允许换行（如果空间不足） */
  padding: 10px;           /* 内边距（可选） */
  margin-bottom: 200px;
}

.section-image img {
  width: auto;             /* 保持原始宽度 */
  max-width: 30%;          /* 三张图片均匀分布（可调整） */
  height: auto;            /* 保持比例 */
  border-radius: 6px;
}

/* ===== 组间分隔灰线 ===== */
.section-divider {
  width: 50%;              /* <<< 灰线长度占容器一半 */
  height: 2px;
  background: #ccc;
  margin: 32px auto;       /* 顶底空隙并水平居中 */
}

/* 较小屏幕友好处理 —— 图片换到下一行 */
@media (max-width: 600px) {
  .section-content {
    flex-direction: column;
  }
  .section-image {
    flex: 0 0 auto;
    max-width: 100%;
  }
}

section {
  scroll-margin-top: 120px;
}






 /* ===== 研究成果 ===== */

/* 大图 */
.result-hero {
  width: 100vw;
  height: 250px;
  margin-left: calc(-50vw + 50%);
  margin-right: calc(-50vw + 50%);
  max-width: 100vw;
  margin-top: 0;
  margin-bottom: 3rem;
  overflow: hidden;
  position: relative;
}

.result-hero .hero-img {
  display: block;
  width: 100%;
  height: 360px;
  object-fit: cover;
}

.hero-footer {
  position: absolute;
  bottom: 0;
  left: 0;
  width: 100%;         /* 100% 父容器宽度 */
  height: 40px;
  background: linear-gradient(to right, rgba(63, 173, 149, 1), rgba(255, 255, 255, 0));
  color: white;
  display: flex;
  align-items: center;
  padding-left: 20px;
  box-sizing: border-box;
  font-size: 18px;
  font-weight: 600;
  z-index: 10;
}



/* 精选轮播器 */
/* 新轮播器命名改为 .carousel2-* 避免冲突 */
.hero-carousel2 {
  width: 100%;           /* 容器撑满父容器 */
  max-width: 2400px!important;     /* 你想要最大宽度时可以设置 */
  height: 340px;
  position: relative;
  overflow: hidden;
  margin: 0 auto;
  margin-top: -10px;
  background-color: rgba(183, 229, 222, 0.2);
}

.carousel2-inner {
  display: flex;
  height: 100%;
  gap:2rem;
  transition: transform 0.5s ease;
  /* 不设置固定宽度，宽度随内容自动撑开 */
}

.carousel2-item {
  flex:0 0 calc((100% - 4rem)/3); /* 3张图减去两次间隙（2rem*2=4rem）平分宽度 */
  box-sizing: border-box;
  position: relative;
  height:320px;
}


.carousel2-item img {
  width: 100%;
  height: 200px;
  object-fit: cover;
  display: block;
}


.carousel2-caption {
  position: absolute;
  bottom: 0;
  left: 0;
  width: 100%;
  height:115px;        /* 跟图片宽度一致 */
  background: rgba(255, 255, 255, 0.278);
  padding: 10px 0;
  font-size: 20px;
  box-sizing: border-box;
  text-align: left; /* 文字居中 */
}

.carousel2-wrapper {
  position: relative;
  width: 125%;
  margin-left: -135px!important;
  max-width: 2400px!important;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 40px; 
}

.carousel2-btn {
  background: rgba(255, 255, 255, 0.7);
  border: none;
  font-size: 2rem;
  padding: 0.5rem 1rem;
  margin-top: -150px;
  cursor: pointer;
  user-select: none;
  z-index: 10;
  height: 100px;
}






               /* 成果正文部分 */
.content-container {
  display: flex;
  flex-direction: row-reverse;
  max-width: 1200px;
  margin: 0 auto;
  padding: 40px 20px;
  background: #fff;
  min-height: 400px;
  margin-left: -100px;
  margin-top: 20px;
}

.paper-list {
  display: flex;
  flex-direction: column;
}

/* 侧栏 */
.sidebar {
  width: 180px;
  border-right: 1px solid #ddd;
  padding-right: 20px;
  margin-left: 20px;
  margin-top: 0px;
}

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

.sidebar nav ul li {
  padding: 12px 16px;
  cursor: pointer;
  color: #333;
  font-weight: 600;
  border-left: 4px solid transparent;
  transition: all 0.3s ease;
}

.sidebar nav ul li:hover {
  background-color: #f0f8ff;
}

.sidebar nav ul li.active {
  border-left-color: #007bff;
  background-color: #e6f0ff;
  color: #007bff;
}

/* 主内容区域 */
.main-content {
  flex: 1;
  padding-left: 40px;
  margin-top: -50px;
}

/* 内容面板默认隐藏 */
.content-panel {
  display: block;
  opacity: 0;
  height: 0;
  overflow: hidden;
  transition: opacity 0.3s ease;
}

/* 当前显示内容 */
.content-panel.active {
  opacity: 1;
  height: auto;
  overflow: visible;
}

/* 论文卡片（复用之前样式） */
.paper-card, .book-card, .patent-card {
  background-color: #f9f9f9;
  border: 1px solid #ddd;
  border-radius: 10px;
  padding: 16px;
  font-size: xx-small;
  box-shadow: 0 2px 4px rgba(0,0,0,0.04);
  transition: all 0.3s ease;
}

.paper-card:hover, .book-card:hover, .patent-card:hover {
  border-color: #007bff;
  box-shadow: 0 6px 16px rgba(0,123,255,0.2);
  transform: translateY(-4px);
}















/* ===== 新闻动态 ===== */
/* 大图 */
.news-hero {
  width: 100vw;
  height: 250px;
  margin-left:-13vw !important;
  max-width: 100vw;
  margin-top: 0;
  margin-bottom: 3rem;
  overflow: hidden;
  position: relative;
}

.news-hero .news-hero-img {
  display: block;
  width: 100%;
  height: 360px;
  object-fit: cover;
}

.news-hero-footer {
  position: absolute;
  bottom: 0;
  left: 0;
  width: 100%;
  height: 40px;
  background: linear-gradient(to right, rgba(63, 173, 149, 1), rgba(255, 255, 255, 0));
  color: white;
  display: flex;
  align-items: center;
  padding-left: 20px;
  box-sizing: border-box;
  font-size: 18px;
  font-weight: 600;
  z-index: 10;
}


/* 外层布局容器 */
.news-section-wrapper {
  display: flex;
  flex-direction: row;
  margin-left: -2vw;
  max-width: 1200px;
  width: 1200px;
  align-items: flex-start;
  gap: 30px; /* 卡片与轮播之间的间距 */
  padding: 40px 20px;
  background-color: #ffffff00;
}

/* 主体内容容器 */
.news-container {
  width: 1200px;
  max-width: 100%;
  background-color: #fff;
  padding: 40px 20px;
  box-sizing: border-box;
}

/* 每张新闻卡片 */
.news-card {
  width: 100%;
  background-color: #fff;
  padding: 20px 0;
  margin-bottom: 0; /* 底部不要留空 */
  border: none;
  box-shadow: none;
  border-radius: 0;
  border-top: 1px solid #ccc; /* 用灰色线条隔开每条新闻 */
}

.news-card hr,
.news-card-body hr,
.news-card * {
  border: none !important;
  border-top: none !important;
  border-bottom: none !important;
  box-shadow: none !important;
}


/* 第一条新闻不需要上边框 */
.news-card:first-child {
  border-top: none;
}

/* 标题样式 */
.news-title {
  font-size: 2.5rem;
  margin-bottom: 40px;
  color: #333;
  text-align: left;
  margin-top: -30px;
}

/* 卡片内容布局 */
.news-card-body {
  display: flex;
  flex-direction: row;
  gap: 20px;
}

/* 图片区域 */
.news-card-img {
  flex: 1;
  max-width: 300px;
  overflow: hidden;
  border-radius: 8px;
}

.news-card-img img {
  width: 100%;
  height: auto;
  object-fit: cover;
  transition: transform 0.4s ease;
  border-radius: 8px;
}

.news-card-img img:hover {
  transform: scale(1.05);
}

/* 文字区域（留空） */
.news-card-text {
  flex: 2;
  color: #555;
}








/* ===== 网站页脚 ===== */
.site-footer {
  width: 100vw;
  margin-bottom: -20%;
  margin-left: calc(-1 * (100vw - 100%)/2); /* 消除可能的居中限制 */
  background: linear-gradient(to right, rgba(62, 160, 167, 0.9), rgba(62, 160, 167, 0.616));
  color: white;
  padding: 20px 40px;
  box-sizing: border-box;
  position: relative;
  bottom: 0;
  font-size: 14px;
}

.footer-content {
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  max-width: 1200px;
  margin: 0 auto;
}

.footer-left, .footer-right {
  display: flex;
  flex-direction: column;
  gap: 5px;
}

.footer-right a {
  color: white;
  text-decoration: none;
}

.footer-right a:hover {
  text-decoration: underline;
}