@charset "UTF-8";
@media screen and (max-width: 768px) {
  html {
    font-size: 20px;
  }
  .kuang {
  background-color: #843519;
  border: 4px solid #cc6c25;
  border-radius: 10px;
  width: 80vw !important;
  visibility: hidden;
  position: absolute;
  top:10%;
  left:4.5vw;
  box-sizing: border-box;
  display: flex;
  align-items: center;
  color: white;
   
  z-index: 1040;
}

.kuang .left {
  width: 33%;
  height: 100%;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  font-weight: bold;
  font-size: 1.8vw;
  text-align: center;
  line-height: 100%;
  color: white;
}

.kuang .left::after {
  content: "";
  position: absolute;
  bottom: 5%;
  left: 33%;
  width: 0.5px;
  height: 90%;
  background-color: #d6a154;
}

.kuang .left .img {
  position: absolute;
  top: 5%;
  left: 0;
  height: 5%;
}

.kuang .right {
  padding: 8%;
  padding-top:1%;
  padding-bottom:1%;
   
  display:flex;
  justify-content: space-between;

}

.kuang .right .tip {
  margin-top:6%;
}

.kuang .right .tip .bb {
  position: relative;
  display: flex;
  align-items: center;
   
  font-size: 1.1vw;
}

.kuang .right .tip .bb .aa {
  width: 5px;
  height: 5px;
  border-radius: 50%;
  background-color: #ffcd87;
  margin-right: 5%;
}

 

.kuang .right .tip ul {
  list-style: none;
  padding-left: 0;
  margin-top: 4%;
  margin-left: 10%!important;
}

.kuang .right .tip ul li {
   
   
  padding-left:0px!important;
}

}

@media screen and (max-width: 320px) {
  html {
    font-size: 17.06667px;
    
  }
}

@media (max-width: 975px) {
      .menu-1 {
       display: none; 
      }
    }


html, body {
  cursor: url('https://static.igem.wiki/teams/5881/svg/shubiao.svg')16 16, auto!important;
}

/* 避免父页面产生橡皮筋/回弹，增强手势的一致性 */
html, body { overscroll-behavior: none; }

/* 建议把核心手势区域禁止浏览器解释为原生滚动（我们自己识别） */
.nn { touch-action: none; }           /* 整个舞台 */
#footer [data-allow-scroll] { touch-action: auto; } /* 白名单容器自行滚动 */

* {
  /* 禁止元素被编辑（覆盖可能的contenteditable属性） */
  contenteditable: false !important;
  /* 禁止文本被选中（可选，进一步避免光标相关交互） */
  user-select: none;
}

/* 单独恢复输入框的可编辑性（避免影响正常输入功能） */
input, textarea {
  user-select: text !important; /* 允许输入框文本被选中 */
}
/* 自定义光标 */
.custom-cursor {
  position: fixed;
  top: 0;
  left: 0;
  width: 24px;
  height: 24px;
  background: url('../static/images/shubiao.svg') no-repeat center/contain;
  pointer-events: none; /* 避免遮挡点击 */
  transform: translate(-50%, -50%);
  z-index: 99999; /* 保证在最上层 */
}

  .active {
  transform: scale(1.08);
  transition: transform 0.2s cubic-bezier(.4,2,.6,1);
  /* 让缩放以中心为基准 */
  transform-origin: 50% 50%;
}

body {
  background: url("https://static.igem.wiki/teams/5881/svg/background.webp") no-repeat center/cover;
  overflow: hidden;
  margin: 0;
  font-family: 'Helvetica Neue', Helvetica, Arial, sans-serif;
  padding: 0;
  
}
.nn{
  background: url("https://static.igem.wiki/teams/5881/svg/bg.webp") repeat center/contain;
  
}

/* 淡入动画 */
@keyframes fadeIn {
  from {
    opacity: 0;
    transform: translateY(10px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* 补充：通用淡出动画工具类 */
@keyframes fadeOut{ from{opacity:1; transform:scale(1)} to{opacity:0; transform:scale(.6)} }

.fade-out { animation: fadeOut 600ms ease-out forwards }

/* 页面容器 */
.nn {
  height: 100vh;
  width:100vw;
  position: relative;
  box-sizing: border-box;
  overflow: hidden;
  display: none;
  place-items: center;
}

 .object {
   width:100vw ;
}
.object-load {
  width: 60vw;
  height: auto;
  position: absolute;
  

}
 
.load {
  width: 100%;
  height:100%;
  z-index: 99;
  position: absolute;
  top: 0;
  left: 0;
  display:flex;
  align-items: center;
    justify-content: center;
}

/* 标题展示部分容器 */
.bottom {
  background: #5b2113;
  height: 3vw;
  width: 100vw;
  position: absolute;
  top:calc(100% - 3vw);
}

.container {
  display: none;
  width: 100%;
  height: 100%;
  max-width: 100%;
  position: absolute;
  top: 0;
  left: 0;
  align-items: center;
  justify-content: center;
  
}

.container .log {
  width: 25vw;
   
  animation: fadeIn 2s ease-out forwards;
  opacity: 0;
  animation-delay: 0.3s;
  
}


.container .title {
  display: none;
  width: 100%;
  height: 100%;
  position: absolute;
   
  animation-delay: 0.3s;
}
.container .title object {
  width: 100%;
  height: 100%;
   
}

 /* 导航菜单容器 */
 .menu-1 {
  width: 100%;
  height: 10%;
  position: absolute;
  top: 0;
  left: 0;
  display: flex;
  align-items: center;
  justify-content: space-between;
  animation: fadeIn 2s ease-out forwards;
  opacity: 0;
}
.menu-1 img{
  width: auto;
  height: 100%;
  margin-left:2vw;
  margin-right:2vw;
}
  .menu-1 img:hover{
  transform: scale(1.1);
}
 
 .menu-1 .nav .items{
  display: flex;
  
  max-width: 80%;
  justify-content: space-around;
  align-items: center;
}
  .menu-1 .nav .items .item{
  margin-left:2vw;
  margin-right:2vw;
  font-size: 1.4vw;
  color: rgb(114,42,27);
  position: relative;
}
    a{
  /* 移除下划线 */
  text-decoration: none;
  /* 继承父元素的文字颜色（避免默认的蓝色） */
  color: inherit;
  /* 移除点击时的默认轮廓 */
  outline: none;
  /* 保持鼠标悬停时的指针样式（可选，默认就是pointer） */
   
  /*移除光标*/
  user-select: none;
  text-align: center;
  width:auto;
  white-space: nowrap;
}
 .menu-1 .nav .items .item:hover{
   color:rgb(255,255,255);
   background: url("https://static.igem.wiki/teams/5881/menu/menu-bottom.webp") no-repeat center/contain;
}
 .menu-1 .nav .items .item:focus{
   color:rgb(255,255,255);
   background: url("https://static.igem.wiki/teams/5881/menu/menu-bottom.webp") no-repeat center/contain;
}
 .menu-1 .nav .items .item:hover .dropdown-menu{
  visibility: visible;
  transform: translateY(0);
  animation: fadeIn 0.4s ease-out forwards;
}
 .item:focus .dropdown-menu{
  visibility: visible;
  transform: translateY(0);
  animation: fadeIn 0.4s ease-out forwards;
 }
.dropdown-menu :hover{
  visibility: visible;
}
 .menu-1 .nav .items .item .dropdown-menu{
  position: absolute;
  background: rgb(196, 71, 8, 0.8);
  
  border-radius: 10px;
  top: 100%;
  left: -1vw;
  visibility: hidden;
 
  transition: all 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
}
 .menu-1 .nav .items .item .dropdown-menu li{
  padding: 0.6vw 0.6vw;
  font-size: 1vw;
}
  .menu-1 .nav .items .item .dropdown-menu li:hover{
  border-radius: 10px;
  background: rgba(255, 255, 255, 0.2);
}


/* 悬浮导航栏 */
.kuang:hover{
  visibility: visible;
}
.kuang {
  background-color: #843519;
  border: 4px solid #cc6c25;
  border-radius: 10px;
  width: 30vw;
  visibility: hidden;
  position: absolute;
  top:10%;
  left:4.5vw;
  box-sizing: border-box;
  display: flex;
  align-items: center;
  color: white;
   
  z-index: 1040;
}

.kuang .left {
  width: 33%;
  height: 100%;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  font-weight: bold;
  font-size: 1.8vw;
  text-align: center;
  line-height: 100%;
  color: white;
}

.kuang .left::after {
  content: "";
  position: absolute;
  bottom: 5%;
  left: 33%;
  width: 0.5px;
  height: 90%;
  background-color: #d6a154;
}

.kuang .left .img {
  position: absolute;
  top: 5%;
  left: 0;
  height: 5%;
}

.kuang .right {
  padding: 8%;
  padding-top:1%;
  padding-bottom:1%;
  width: 67%;
  height: 100%;
}

.kuang .right .tip {
  margin-top:6%;
}

.kuang .right .tip .bb {
  position: relative;
  display: flex;
  align-items: center;
   
  font-size: 1.1vw;
}

.kuang .right .tip .bb .aa {
  width: 5px;
  height: 5px;
  border-radius: 50%;
  background-color: #ffcd87;
  margin-right: 5%;
}

.kuang .right .tip .bb::after {
  content: "";
  position: absolute;
  bottom: 0;
  left: 0;
  width: 100%;
  height: 1px;
  background-color: #ffcd87;
}

.kuang .right .tip ul {
  list-style: none;
  padding-left: 0;
  margin-top: 4%;
  margin-left: 20%;
}

.kuang .right .tip ul li {
   
  font-weight: 100;
  text-align: left;
  line-height: 1.6vw;
  font-size: 0.9vw;
  height:1.6vw;
  box-sizing: border-box;
  padding-left:10px;
}
.kuang .right .tip ul li:hover {
   border-radius: 1vw;
  background: rgba(255, 255, 255, 0.2);
}

.on:hover +.kuang, .on:focus +.kuang{
  visibility: visible;
}


/* 防止svg影响鼠标事件 */
.object,
.object-load,
.object-title {
  pointer-events: none;
}
object{
  pointer-events: none;
}

/* 淡出动画 */
@keyframes fadeIn-log {
  from {
    opacity: 1;
    transform: scale(1);
  }
  to {
    opacity: 0;
    transform: scale(0.3);
  }
}

/* 书籍展示部分容器 */
.container .book {
  display: none;
  position: absolute;
  top: calc(50% - 10vh);
  left: 46vw;
  width: 9vw;
  height: 20vh;
  animation: fadeIn 2s ease-out forwards;
  opacity: 0;
  animation-delay: 0.3s;
  z-index: 1060 ;
}


#gsap-stage { position: absolute; width:100%; height:100%; overflow:hidden; display:none; }
  #gsap-stage .person {
    position:absolute; left:26%; bottom:10.5%;  
    width:28vw; height:auto; z-index:5; will-change:transform,opacity,filter;
  }
  #gsap-stage .light {  
    position:absolute; left:24%; top:3%; transform:translateX(-20%);
     z-index:4; opacity:0; pointer-events:none;height:90%;
  }
  #gsap-stage .sign { position:absolute; left:15vw; top:15%; width:min(10vw,250px); z-index:6; opacity:0; transform-origin:left top; }
  #gsap-stage .bubble { position:absolute; z-index:7; opacity:0; transform-origin:50% 50%; }
  #gsap-stage .bubble--left { left:5vw; bottom:40%; width:20vw;}
  #gsap-stage .bubble--rightLow { left:50vw; bottom:25%; height:12%}
  #gsap-stage .bubble--rightTop { left:50vw; bottom:45%;height:13%; }
  #gsap-stage .narration { position:absolute; right:18vw; top:23%; width:30vw; z-index:7; opacity:0; }    
  #gsap-stage .ecoli { position:absolute; left:36vw; top:21%; width:6vw; z-index:7; opacity:0; }  
  #gsap-stage .jun { position:absolute; left:20vw; bottom:20%; width:60vw; z-index:7; opacity:0; }                                

 
  .wrap {
     position:absolute;
     top:15%;
     left:15vw;
     width:70vw;
    justify-content: space-between;
    align-items: center;
      
     display: none;
    height: 30%;
    
    z-index: 1030;
  }
  .box {
    width: 23%;
  }
  .box img {
    width: 100%;
    height: auto;
  }
  .box:hover {
    transform: scale(1.1);
    transition: all 0.3s ease;
  }

ul, li {
  list-style: none;
  margin: 0;
  padding: 0;
}

a {
  text-decoration: none;
}

 .www-container {
  position:absolute;bottom:0vh;left:2vw;width:60vw;height:3vw;overflow:hidden;
}



/* 下面是实验部分的样式 */

.top {
  width: 100vw;
  height: 40vh;
  background: linear-gradient(to bottom, rgba(205, 195, 165, 0.885), rgba(232, 209, 209, 0.8)), url("https://images.unsplash.com/photo-1532094349884-543bc11b234d?ixlib=rb-1.2.1&auto=format&fit=crop&w=1950&q=80") no-repeat center/cover;
  color: white;
  text-align: center;
  padding: 6rem 1rem;
  position: relative;
}

.top .hero-subtitle {
  font-size: 1.6rem;
  margin-bottom: 2rem;
  font-weight: normal;
  letter-spacing: 0.1rem;
  font-size: 10rem;
  background: linear-gradient(90deg, #ada59a, #dbb6b1, #d6c7b5, #bba6b2);
  background-size: 300% 300%;
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  animation: gradient-shift 8s ease infinite;
}

.container-1 {
  width: 100vw;
  display: flex;
   height:97vh;
  justify-content: center;
  background: url("") repeat center/cover;
}

.container-1 .neirong {
  display: flex;
  flex-direction: column;
  width: 86vw;
  height:100%;
  
}

.container-1 .neirong .sidebar {
  margin-right: 3vw;
  width: 100%;
  height: 10%;
  display: flex;
  border: #9e8a78 5px solid;
  border-radius: 5px;
}

.container-1 .neirong .sidebar ul {
  width: 100%;
  display: flex;
  justify-content: space-around;
  align-items: center;
}


.container-1 .neirong .sidebar a {
  display: block;
  color: #a66745;
  font-size: 1.2rem;
  padding: 1rem;
  text-align: center;
}

.container-1 .neirong .sidebar li:hover {
  background: rgba(209, 161, 131, 0.8);
  border-left: 5px solid #e45c13;
  padding-left: 0.5rem;
  transition: all 0.3s ease;
}

.container-1 .neirong .content {
 margin-top: 3vh;
  flex: 1;
  display: flex;
  width:100%;
  border: #9e8a78 5px solid;
  border-radius: 5px;
}

.container-1 .neirong .content .gbtl {
  width: 30%;
  display: flex;
  
  align-items: center;
}

.container-1 .neirong .content .gbtl object {
  width: 100%;
  margin-left:-2rem; 
}

.g20, .g21, .g22, .g23 {
  padding: 2rem;
  flex: 1;
  overflow-y: auto;
  display:none;
  color: #a66745;
}



 
.team-members {
  margin:0 auto;
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
  width:80vw;
  padding-bottom: 80px;
}

.member-card {
  width: 300px;
  background: rgba(255, 255, 255, 0.7);
  backdrop-filter: blur(10px);
  border-radius: 20px;
  overflow: hidden;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.08);
  transition: all 0.4s ease;
  position: relative;
  border: 1px solid rgba(255, 255, 255, 0.4);
  transform: translateZ(0);
  /* 触发GPU加速 */
  will-change: transform, box-shadow;
  margin-bottom: 10vh;
  /* 性能优化 */
}

.member-card:hover {
  transform: translateY(-15px);
  box-shadow: 0 15px 40px rgba(0, 0, 0, 0.12);
}

.card-header {
  height: 200px;
  background: linear-gradient(135deg, #dbb6b1 0%, #d6c7b5 100%);
  display: flex;
  justify-content: center;
  align-items: center;
  position: relative;
  overflow: hidden;
}

.card-header::after {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: radial-gradient(circle at center, rgba(255, 255, 255, 0.3) 0%, transparent 70%);
  opacity: 0;
  transition: opacity 0.4s ease;
  pointer-events: none;
}

.member-img {
  width: 170px;
  height: 170px;
  border-radius: 50%;
  border: 3px solid rgba(255, 255, 255, 0.5);
  object-fit: cover;
  z-index: 2;
  box-shadow: 0 5px 15px rgba(0, 0, 0, 0.2);
  transition: all 0.3s ease;
}

.member-card:hover .member-img {
  transform: scale(1.05);
  border-color: rgba(255, 255, 255, 0.8);
}

.card-body {
  padding: 25px;
  text-align: center;
}

 
.member-name {
  font-size: 1.6rem;
  margin-bottom: 8px;
  background: linear-gradient(90deg, #ada59a, #dbb6b1, #b69870, #ae8c9f);
  background-size: 300% 300%;
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  animation: gradient-shift 8s ease infinite;
}

.member-title {
  font-size: 1rem;
  color: #bba6b2;
  margin-bottom: 15px;
  font-weight: 500;
}

.member-bio {
  font-size: 0.95rem;
  line-height: 1.6;
  margin-bottom: 20px;
  color: #666;
  height: 80px;
  overflow: hidden;
}

.social-links {
  display: flex;
  justify-content: center;
  gap: 15px;
}

.social-link {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background: rgba(92, 90, 75, 0.218);
  display: flex;
  justify-content: center;
  align-items: center;
  color: #e1c8b0;
  text-decoration: none;
  transition: all 0.3s ease;
}

.social-link:hover {
  background: #88a07d;
  color: white;
  transform: translateY(-3px);
}


.container-2{
  width:100vw;
  height:100vh;
  overflow-y: auto;
}

/* 建议放在 <head> 或页面顶部 <style> 标签中 */
 


.reveal-line{
        font-size: 1.5vw;
        font-weight: bold;
        color: #562208;
        
        margin-left: 5%;
        padding: 0;
        display: flex;
    }

    .inline-badge{ opacity:0; transform:translateY(6px) scale(.96); height: 1.5vw;margin-left: 0.5vw;margin-top: 0.5vw; }
     
    .footer {
         max-width: 100vw;
         
        
      background-image: url('https://static.igem.wiki/teams/5881/pages/pages/footer/bg.webp');
      background-repeat: no-repeat;
      background-position: bottom;
      background-size: 100vw 80%;
      position: absolute;
      bottom: 0;
      color: #ffffff;
      padding: 0; 

      overflow: hidden;
      /* 容器宽高比 = 图片宽高比 */
      aspect-ratio: 320 / 117;
      width: 100%;
      height: auto;
    }
  
    .footer-container {
      max-width: 90vw;
      margin: 12vw 0 0 0;
      padding: 2.5vw 2.5vw 0 2.5vw;
      display: flex;
      align-items: flex-end;
      position: relative;
      flex-wrap: wrap;
    }
  
    /* 左侧机构标识区 */
    .footer-left {
      flex: 0 0 24%; 
       
      padding: 1.25vw 3vw;
       
      border : 0.2vw solid rgb(188,142,81); /* 左边框 */
        
      border-radius: 1vw;
      position: relative;
    }
  
    .top-logo {
      margin: 0;
      margin-bottom: 1vw;
      display: flex;
      align-items: center;
      gap: 0.9vw;
    }
  
    .top-logo img {
      width: 35%;
      object-fit: contain;
      transition: all 0.3s ease;
      margin-left: 0.8vw;
    }
  
    .top-logo img:hover {
      transform: scale(1.05);
    }
  
    .bottom-logo {
       
      display: flex;
      align-items: center;
      gap: 0.9vw;
      margin-left: 0.8vw;
    }
  
    .bottom-logo img {
      width: 80%;
      object-fit: contain;
      transition: all 0.3s ease;
    }
  
    .bottom-logo img:hover {
      transform: scale(1.05);
    }
  
    .middle-logos {
      display: flex;
      justify-content: space-between;
      align-items: center;
      gap: 1.25vw;
      width:90%;
      margin: 0;
      margin-bottom: 1vw;
      padding: 0;
    }
  
    .logo-item {
      display: flex;
      align-items: center;
      justify-content: center;
    }
  
    .logo-item img {
      width: 4.4vw;
      height: 4.4vw;
      object-fit: contain;
      flex-shrink: 0;
      border-radius: 0.5vw;
      padding: 0.3vw;
      transition: all 0.3s ease;
    }
  
    .logo-item img:hover {
      transform: scale(1.2);
    }
  
    /* 放大NJTECH CHINA logo */
    .njtech-china-logo img {
      width: 12.5vw;
      height: 5.6vw;
    }
  
    /* 中间分隔线 */
    .footer-divider {
      width: 0.4vw;
      margin: 0 1.9vw;
      align-self: stretch;
      background: linear-gradient(to top, 
        rgb(188, 142, 81) 0%, 
        rgb(188, 142, 81) 20%, 
        transparent 20%, 
        transparent 100%);
    }
  
    /* 右侧联系信息区 */
    .footer-right {
      flex: 1;
      min-width: 18.75vw;
      padding-top: 1.25vw;
      display: flex;
      flex-direction: row;
      justify-content: space-between;
      align-items: flex-end;
      gap: 1.9vw;
    }
  
    .igem-year {
      font-size: 1.5vw;
      font-weight: 500;
      margin-left: 1.9vw;
      color: rgb(188,142,81);
      position: relative;
    }
  
    .contact-section {
      display: flex;
      align-items: center;
      gap: 1.25vw;
    }
  
    .contact-info .title {
      font-size: 1.1vw;
      margin-bottom: 0.6vw;
      font-weight: 500;
    }
  
    .contact-info .address {
      font-size: 0.9vw;
      line-height: 1.6;
      opacity: 0.9;
    }
  
    /* 响应式设计 */
    @media (max-width: 975px) {
      .footer {
        background-image: none;
        background-color: rgb(113, 42, 27);
        aspect-ratio: auto;
        min-height: auto;
        height: auto;
        padding: 2vh 0;
      }
  
      .footer-container {
        flex-direction: column;
        align-items: center;
        padding: 2vw 3vw;
        margin: 0 0 3vh 0;
        gap: 2vw;
      }
  
      .footer-left {
        flex: none;
        width: 100%;
        min-width: auto;
        padding: 2vw;
        border: 0.3vw solid rgb(188,142,81);
        border-radius: 1vw;
        background: rgba(188, 142, 81, 0.1);
      }

      .zhuangshi {
        width: 6%;
        position: absolute;
        top: 0.5vw;
        left: 0.5vw;
       
      }
  
      .footer-divider {
        display: none;
      }
  
      .footer-right {
        flex: none;
        width: 100%;
        min-width: auto;
        flex-direction: column;
        align-items: center;
        text-align: center;
        gap: 2vw;
        padding: 2vw;
        border: 0.3vw solid rgb(188,142,81);
        border-radius: 1vw;
        background:rgba(188, 142, 81, 0.1);
      }
  
      .top-logo {
        justify-content: center;
        margin-bottom: 1vw;
      }
  
      .top-logo img {
        width: 60%;
        max-width: 150px;
      }
  
      .bottom-logo {
        justify-content: center;
        margin: 0;
      }
  
      .bottom-logo img {
        width: 80%;
        max-width: 250px;
      }
  
      .middle-logos {
        justify-content: center;
        gap: 1.5vw;
        padding: 0;
        margin: 0;
      }
  
      .logo-item img {
        width: 5vw;
        height: 5vw;
        padding: 0;
      }
  
      .njtech-china-logo img {
        width: 5vw;
        height: 5vw;
      }
  
      .igem-year {
        font-size: 1.5vw;
        font-weight: bold;
        text-align: center;
        margin: 0;
      }
  
      .igem-year::before {
        display: none;
      }
  
      .contact-section {
        justify-content: center;
        width: 100%;
      }
  
      .contact-info {
        width: 100%;
      }
  
      .contact-info .title {
        font-size: 1.6vw;
        margin-bottom: 1vw;
        text-align: center;
      }
  
      .contact-info .address {
        font-size: 1.3vw;
        line-height: 1.5;
        text-align: center;
      }
    }
  
    @media (max-width: 480px) {
      .footer {
        background-image: none;
        background-color: rgb(113, 42, 27);
        aspect-ratio: auto;
        min-height: auto;
        height: auto;
        padding: 1.5vh 0;
      }
  
      .footer-container {
        margin: 0 0 3vh 0;
        padding: 1.5vw 2vw;
        gap: 1.5vw;
      }
  
      .footer-left {
        padding: 1.5vw;
        border-width: 0.2vw;
        border-radius: 0.8vw;
      }
  
      .footer-right {
        padding: 1.5vw;
        border-width: 0.2vw;
        border-radius: 0.8vw;
        gap: 1.5vw;
      }
  
      .top-logo {
        margin-bottom: 1.5vw;
      }
  
      .top-logo img {
        width: 50%;
        max-width: 150px;
      }
  
      .bottom-logo {
        margin-top: 1.5vw;
      }
  
      .bottom-logo img {
        width: 70%;
        max-width: 200px;
      }
  
      .middle-logos {
        gap: 1.2vw;
        padding: 0.8vw 0;
        margin: 0.8vw 0;
      }
  
      .logo-item img {
        width: 3.5vw;
        height: 3.5vw;
        padding: 0.2vw;
      }
  
      .njtech-china-logo img {
        width: 4.5vw;
        height: 4.5vw;
      }
  
      .igem-year {
        font-size: 1.8vw;
        margin-bottom: 0.8vw;
      }
  
      .contact-info .title {
        font-size: 1.8vw;
        margin-bottom: 0.8vw;
      }
  
      .contact-info .address {
        font-size: 1.5vw;
      }
    }
  
  /* 版权信息样式 */
  .copyright {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    color: #ffffff;
    padding: 0.8vw 2vw;
    text-align: center;
    font-size: 0.8vw;
    line-height: 1.4;
    z-index: 10;
  }
  
  .copyright p {
    margin: 0.3vw 0;
  }
  
  .copyright a {
    color: rgb(188, 142, 81);
    text-decoration: none;
    transition: color 0.3s ease;
  }
  
  .copyright a:hover {
    color: #ffffff;
    text-decoration: underline;
  }
  
  .copyright small {
    font-size: 0.7vw;
    opacity: 0.8;
  }
  
  /* 版权信息响应式设计 */
  @media (max-width: 975px) {
    .copyright {
      padding: 1.2vw 3vw;
      font-size: 1.1vw;
    }
    
    .copyright small {
      font-size: 1vw;
    }
  }
  
  @media (max-width: 480px) {
    .copyright {
      padding: 1.5vw 4vw;
      font-size: 1.4vw;
    }
    
    .copyright small {
      font-size: 1.2vw;
    }
  }
  
  @media (max-width: 320px) {
    .footer {
      background-image: none;
      background-color: rgb(113, 42, 27);
      aspect-ratio: auto;
      min-height: auto;
      height: auto;
      padding: 1vh 0;
    }
  
    .footer-container {
      margin: 0 0 5vh 0;
      padding: 1vw 1.5vw;
      margin: 0 0 2vh 0;
      gap: 1vw;
    }
  
    .footer-left {
      padding: 1vw;
      border-width: 0.15vw;
      border-radius: 0.6vw;
    }
  
    .footer-right {
      padding: 1vw;
      border-width: 0.15vw;
      border-radius: 0.6vw;
      gap: 1vw;
    }
  
    .top-logo {
      margin-bottom: 1vw;
    }
  
    .top-logo img {
      width: 45%;
      max-width: 120px;
    }
  
    .bottom-logo {
      margin-top: 1vw;
    }
  
    .bottom-logo img {
      width: 65%;
      max-width: 150px;
    }
  
    .middle-logos {
      gap: 1vw;
      padding: 0.6vw 0;
      margin: 0.6vw 0;
    }
  
    .logo-item img {
      width: 3vw;
      height: 3vw;
      padding: 0.15vw;
    }
  
    .njtech-china-logo img {
      width: 4vw;
      height: 4vw;
    }
  
    .igem-year {
      font-size: 2vw;
      margin-bottom: 0.6vw;
    }
  
    .contact-info .title {
      font-size: 2vw;
      margin-bottom: 0.6vw;
    }
  
    .contact-info .address {
      font-size: 1.7vw;
    }
  
    .copyright {
      padding: 1.5vw 3vw;
      font-size: 1.6vw;
    }
    
    .copyright small {
      font-size: 1.3vw;
    }
  }

    @keyframes floaty {
  0%   { transform: translateY(0) scale(1);         box-shadow: 0 2px 10px rgba(0,0,0,.06); }
  50%  { transform: translateY(-4px) scale(1.01);   box-shadow: 0 10px 18px rgba(0,0,0,.08); }
  100% { transform: translateY(0) scale(1);         box-shadow: 0 2px 10px rgba(0,0,0,.06); }
}

.tile {
  animation: floaty 3.4s ease-in-out infinite;
  will-change: transform, box-shadow;
}

/* 悬停时稍微加强，焦点时也一样 */
.tile:hover,
.tile:focus-visible {
  animation-duration: 2.2s;
  transform: translateY(-2px) scale(1.01);
  box-shadow: 0 12px 22px rgba(0,0,0,.12);
}

/* 按下时收敛，避免“飘着点不到”的感觉 */
.tile:active {
  animation: none;
  transform: translateY(0) scale(.995);
  box-shadow: 0 2px 8px rgba(0,0,0,.08);
}

.tile{
  display:flex; flex-direction:column; align-items:center; justify-content:center; gap:6px;
  width:10vw; height:30%; border-radius:16px;
  background:#fcf1df; color:#9a6f57; text-decoration:none;
  box-shadow:0 2px 10px rgba(0,0,0,.06);
}
.tile:focus-visible{ outline:2px solid #caa286; outline-offset:3px; }
.tile:hover{ filter:brightness(0.98); transform:translateY(-1px); }
.tile__icon{ height:35%; margin-bottom:4%; 
margin-top:5%;
}
.tile__label{ font-weight:700;font-size:1.2vw; }
.tile__chev{
  width:10%;
  margin-bottom:5%;
}
.list{
    position: absolute;
    display:flex; flex-direction:row; align-items:center; justify-content:space-between;
    width:80%;
   left: 12.5%;
    top: 15%;   
    z-index: 1040;
}