/* =========================================================
   小麦玉米两熟高效生产全国重点实验室 - 公共样式
   原生 CSS（无变量版）
   ========================================================= */

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

html {
  scroll-behavior: smooth;
  background: #ffffff;
overflow-x: hidden;
}

body {
  font-family: "Microsoft YaHei", "PingFang SC", "Hiragino Sans GB", "微软雅黑", Arial, sans-serif;
  color: #000;
  line-height: 1.6;
  background: #ffffff;
  -webkit-font-smoothing: antialiased;
}

a {
  color: inherit;
  text-decoration: none;
font-weight: bold;
}

img {
  display: block;
  max-width: 100%;
}

ul {
  list-style: none;
}

button {
  font-family: inherit;
  cursor: pointer;
}

.container {
  max-width: 1400px;
  margin: 0 auto;
  padding: 0 20px;
}

/* =========================================================
   头部 Header
   ========================================================= */
.site-header {
  background: #007943;
  color: #fff;
  position: relative;
}
.site-header .container {
background: url(../images/top-yy.png) no-repeat 100% 50%;

}
/* 顶部工具条 */
.top-bar {
  display: flex;
  justify-content: flex-end;
  align-items: center;
  gap: 14px;
  font-size: 20px;
  padding: 10px 0;
  opacity: 0.95;
}

.top-bar a {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  transition: opacity 0.2s;
}

.top-bar a:hover {
  opacity: 0.75;
}

.top-bar .divider {
  opacity: 0.5;
}

.site-header .container{
      max-width: 1600px;
      margin: 0 auto;
}
.icon-btn {
  width: 28px;
  height: 28px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  background: transparent;
  border: none;
  color: #fff;
  transition: background 0.2s;
}

.icon-btn:hover {
  background: rgba(255, 255, 255, 0.18);
}

/* 品牌区 */
.brand {
  display: flex;
  align-items: center;
  gap: 18px;
  padding: 6px 0 26px;
}

.brand-logo {
  width: auto;
  display: flex;
  align-items: center;
  justify-content: center;
  height: 120px;
  padding: 0 0 20px 0;
  flex-shrink: 0;
}

.brand-logo svg {
  width: 100%;
  height: 100%;
}

.brand-text .cn {
  font-size: 30px;
  font-weight: 800;
  letter-spacing: 1px;
  line-height: 1.2;
}

.brand-text .en {
  font-size: 12px;
  opacity: 0.85;
  margin-top: 4px;
  letter-spacing: 0.3px;
}

/* 导航 */




    /* 导航外层容器 */
    .nav-wrap {
      background-color: #007943;
      box-shadow: 0 2px 8px rgba(0, 0, 0, 0.15);
      position: sticky;
      top: 0;
      z-index: 999;
      height: 65px;
left: 0; right: 0;
 
    }
    .nav-container {
      max-width: 1600px;
      margin: 0 auto;
      padding: 0 20px;
      display: flex;
      align-items: center;
      height: 100%;
      position: relative;
    }

    /* 移动端汉堡按钮 - 默认隐藏 */
    .menu-btn {
      display: none;
      background: transparent;
      border: none;
      color: #fff;
      font-size: 28px;
      cursor: pointer;
      position: absolute;
      right: 20px;
      top: 50%;
      transform: translateY(-50%);
      z-index: 1002;
      width: 40px;
      height: 40px;
      line-height: 40px;
      text-align: center;
    }

    /* ========== PC端样式（屏幕>992px）========== */
    @media (min-width: 993px) {
      /* 一级菜单 */
      .main-menu {
        display: flex;
        width: 100%;
        height: 100%;
      }
      .main-menu > li {
        position: relative;
        height: 100%;
        flex: 1;
        display: flex;
        align-items: center;
        justify-content: center;
      }
      .main-menu > li > a {
        display: flex;
        align-items: center;
        justify-content: center;
        gap: 8px;
        color: #ffffff;
        font-size: 24px;
        font-weight: bold;
        height: 100%;
        width: 100%;
        transition: background-color 0.3s ease;
      }
      .main-menu > li > a.active,
      .main-menu > li > a:hover {
        background-color: #006638;
      }

      /* 箭头样式 */
      .arrow {
        display: inline-block;
        width: 6px;
        height: 6px;
        border-right: 2px solid #fff;
        border-bottom: 2px solid #fff;
        transform: rotate(45deg);
        transition: transform 0.3s ease;
      }
      .sub-arrow {
        border-color: #666;
      }
      .arrow.open {
        transform: rotate(-135deg);
      }

      /* 二级菜单 */
      .sub-menu {
        position: absolute;
        top: 100%;
        left: 50%;
        transform: translateX(-50%) translateY(10px);
        min-width: 240px;
        background: #ffffff;
        box-shadow: 0 4px 16px rgba(0, 0, 0, 0.12);
        border-radius: 6px;
        opacity: 0;
        visibility: hidden;
        transition: all 0.3s ease;
        z-index: 1000;
      }
      .main-menu > li:hover > .sub-menu {
        opacity: 1;
        visibility: visible;
        transform: translateX(-50%) translateY(0);
      }
      .sub-menu > li {
        position: relative;
        white-space: nowrap;
      }
      .sub-menu > li > a {
        display: flex;
        align-items: center;
        justify-content: space-between;
        padding: 14px 20px;
        color: #333333;
        font-size: 20px;
        border-bottom: 1px solid #f0f0f0;
        transition: background 0.2s ease;
      }
      .sub-menu > li:last-child > a {
        border-bottom: none;
      }
      .sub-menu > li > a:hover {
        background-color: #f5faf7;
        color: #007943;
      }

      /* 三级菜单 */
      .third-menu {
        position: absolute;
        top: 0;
        left: 100%;
        min-width: 240px;
        background: #ffffff;
        box-shadow: 0 4px 16px rgba(0, 0, 0, 0.12);
        border-radius: 0 6px 6px 6px;
        opacity: 0;
        visibility: hidden;
        transform: translateX(8px);
        transition: all 0.25s ease;
        z-index: 1001;
      }
      .sub-menu > li:hover > .third-menu {
        opacity: 1;
        visibility: visible;
        transform: translateX(0);
      }
      .third-menu > li > a {
        display: block;
        padding: 14px 20px;
        color: #555555;
        font-size: 18px;
        border-bottom: 1px solid #f0f0f0;
        transition: background 0.2s ease;
      }
      .third-menu > li:last-child > a {
        border-bottom: none;
      }
      .third-menu > li > a:hover {
        background-color: #f5faf7;
        color: #007943;
      }
    }

    /* ========== 移动端样式（屏幕≤992px）========== */
    @media (max-width: 992px) {
      /* 显示汉堡按钮 */
      .menu-btn {
        display: block;
      }

      /* 一级菜单 - 默认隐藏 */
      .main-menu {
        display: none;
        position: fixed;
        top: 65px;
        left: 0;
        width: 100%;
        background-color: #007943;
        flex-direction: column;
        max-height: calc(100vh - 65px);
        overflow-y: auto;
        z-index: 1000;
      }
      .main-menu.active {
        display: flex;
        position: absolute;
      }
      .main-menu > li {
        width: 100%;
        border-bottom: 1px solid rgba(255, 255, 255, 0.1);
      }
      .main-menu > li > a {
        display: flex;
        align-items: center;
        justify-content: space-between;
        padding: 16px 25px;
        color: #ffffff;
        font-size: 17px;
        font-weight: bold;
      }

      /* 箭头样式 */
      .arrow {
        display: inline-block;
        width: 6px;
        height: 6px;
        border-right: 2px solid #fff;
        border-bottom: 2px solid #fff;
        transform: rotate(45deg);
        transition: transform 0.3s ease;
      }
      .arrow.open {
        transform: rotate(-135deg);
      }
      .sub-arrow {
        border-color: #fff;
      }

      /* 二级菜单 - 默认隐藏 */
      .sub-menu {
        display: none;
        background-color: #00854b;
        width: 100%;
      }
      .sub-menu.show {
        display: block;
      }
      .sub-menu > li {
        width: 100%;
      }
      .sub-menu > li > a {
        display: flex;
        align-items: center;
        justify-content: space-between;
        padding: 14px 25px 14px 45px;
        color: #ffffff;
        font-size: 16px;
        border-bottom: 1px solid rgba(255, 255, 255, 0.08);
      }

      /* 三级菜单 - 默认隐藏 */
      .third-menu {
        display: none;
        background-color: #009152;
        width: 100%;
      }
      .third-menu.show {
        display: block;
      }
      .third-menu > li {
        width: 100%;
      }
      .third-menu > li > a {
        display: block;
        padding: 14px 25px 14px 65px;
        color: #ffffff;
        font-size: 15px;
        border-bottom: 1px solid rgba(255, 255, 255, 0.08);
      }
    }

/* =========================================================
   英雄轮播 Hero
   ========================================================= */
.hero {
  position: relative;
  overflow: hidden;
}

.hero-track {
  display: flex;
  transition: transform 0.6s ease;
}

.hero-slide {
  min-width: 100%;
}

.hero-slide img {
  width: 100%;
  height: 620px;
  object-fit: cover;
}

.hero-dots {
  position: absolute;
  bottom: 22px;
  right: 10%;
  transform: translateX(-50%);
  display: flex;
  gap: 12px;
}

.dot {
  width: 25px;
  height: 25px;
  border-radius: 50%;
  background-color: transparent;
  border: 2px solid #fff;
  cursor: pointer;
  transition: background 0.2s, transform 0.2s;
}

.dot.active {
  background: #fff;

}

/* =========================================================
   通用区块标题
   ========================================================= */
.section {
  padding: 56px 0;
}

.section-head {
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  margin-bottom: 34px;
}

.section-head .title {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  font-size: 32px;
  font-weight: 800;
  color: #006d31;
}

.section-head .title img {
  width: 45px;
  height: 45px;

}
.section-head .title svg {
  width: 45px;
  height: 45px;
  fill: #006d31;
}
.section-head .title .en {
  color: #006d31;
  font-weight: 700;
}

.more-btn {
  position: absolute;
  right: 0;
  border: 1px solid #e6e6e6;
  background: #fff;
  color: #777777;
  font-size: 13px;
  padding: 6px 16px;
  border-radius: 16px;
  transition: all 0.25s;
}

.more-btn:hover {
  background: #2e9d5e;
  color: #fff;
  border-color: #2e9d5e;
}

.section-head.left {
  justify-content: flex-start;
}

/* =========================================================
   新闻动态 News
   ========================================================= */
.news-wrap {
  background: #F6FBF5;
}

.news-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 36px;
}

/* 左侧图片轮播 */
.news-slider {
  position: relative;
  border-radius: 6px;
  overflow: hidden;
  box-shadow: 0 4px 16px rgba(0, 0, 0, 0.06);
}

.news-slider .ns-track {
  display: flex;
  transition: transform 0.5s ease;
}

.news-slider .ns-slide {
  min-width: 100%;
  position: relative;
}

.news-slider .ns-slide img {
  width: 100%;
  height: 510px;
  object-fit: cover;
}

.ns-caption {
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  display: flex;
  align-items: center;
  gap: 16px;
  padding: 18px 130px 18px 18px;
  background: rgba(0, 0, 0, 0.55);
  color: #fff;
}

.ns-date {
  flex-shrink: 0;
  text-align: center;
  line-height: 1.1;
}

.ns-date .d {
  font-size: 26px;
  font-weight: 800;
}

.ns-date .m {
  font-size: 13px;
  opacity: 0.9;
}

.ns-caption .ns-title {
  font-size: 20px;
}

.ns-dots {
  position: absolute;
  right: 18px;
  bottom: 22px;
  display: flex;
  gap: 8px;
}

.ns-dots .dot {
  width: 20px;
  height: 20px;
}

/* 右侧新闻列表 */

            /* 容器 */
            .list-container {
    
              margin: 0 auto;
              background-color: #F8FAF7;
              border-radius: 8px;
              padding: 20px;
              box-shadow: 0px 0px 33px 5px rgba(171, 171, 171, 0.3);
            }
  
            /* 列表项 - 修改布局结构 */
            .list-item {
              padding: 10px 0;
              border-bottom: 1px solid #ddd;
              transition: all 0.3s ease;
              cursor: pointer;
            }
      
            .list-item:last-child {

            }
      
            /* hover动画 */
            .list-item:hover {
              background-color: #f9fafb;
              padding-left: 10px;
              padding-right: 10px;
            }
      
            /* 标题容器：用于控制文本和日期排版 */
            .item-content {
              width: 100%;
            }
      
            /* 标题文本 */
            .item-title {
              font-size: 20px;
              color: #333333;
              line-height: 35px;
height:70px;
    overflow: hidden;
              margin-bottom: 5px;
            }
      
            /* 日期：右对齐，放在第二行最后 */
            .item-date {
              font-size: 16px;
              color: #666666;
              text-align: right;
              width: 100%;
              display: block;
              margin-top: 0;
            }
      
            /* 响应式适配 */
            @media screen and (max-width: 768px) {
              .item-title {
                font-size: 16px;
              }
      
              .item-date {
                font-size: 14px;
              }
 
            }
/* =========================================================
   通知公告 + 学术交流
   ========================================================= */

   .part2{
background: url(../images/part2-bg.png) no-repeat 50% 0;
background-size:cover ;


   }
.two-cols {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 44px;
}

/* 通知公告卡片 */
.notice-card {

  border-top: none;


  padding: 0px 0 25px 24px;
  background:transparent url(../images/tz-bg.png) no-repeat 0 0px;
}

 
.notice-list{
background: #fff;
  box-shadow: 0px 0px 33px 5px rgba(171, 171, 171, 0.3);
    padding: 25px 30px;

}
.notice-list li,
.academic-list li {
  display: flex;
  align-items: center;
  gap: 20px;

  border-bottom: 1px dashed #e6e6e6;
}

.notice-list li:last-child,
.academic-list li:last-child {

}

.date-badge {
  flex-shrink: 0;
  color: #007943;
  font-weight: 800;
  font-size: 26px;
  line-height: 1;
  white-space: nowrap;
}

.date-badge small {
  font-size: 18px;
  font-weight: 600;
  color: #777777;
}

.notice-list .item-title,
.academic-list .item-title {
  font-size: 20px;
  color: #444;
height: 90px;
  line-height: 45px;
  transition: color 0.2s;
}

.notice-list li:hover .item-title,
.academic-list li:hover .item-title {
  color: #2e9d5e;
  font-weight: bold;
}

.notice-list li:hover {
    background-image:linear-gradient(0deg, rgba(255, 255, 255, 0) 0%, rgba(214, 204, 50, 0.2) 100%);
  background-image: -moz-linear-gradient(0deg, rgba(255, 255, 255, 0) 0%, rgba(214, 204, 50, 0.2) 100%);
    background-image: -webkit-linear-gradient(0deg, rgba(255, 255, 255, 0) 0%, rgba(214, 204, 50, 0.2) 100%);
    background-image: -ms-linear-gradient(0deg, rgba(255, 255, 255, 0) 0%, rgba(214, 204, 50, 0.2) 100%);
}

.notice-list li.hover .item-title {
  color: #007943;
  font-weight: bold;
}

/* 学术交流 */
.academic-list{
padding: 25px 30px;}
.academic-list li {
  justify-content: space-between;
}

.academic-list .date-badge {
  order: 2;
}

.academic-list li.green .item-title {
  color: #007943;
}



            /* 响应式适配 */
            @media screen and (max-width: 768px) {
              .notice-list .item-title, .academic-list .item-title{
                font-size: 16px;
              }
      
              .date-badge,.date-badge small {
                font-size: 14px;
              }
.academic-list{
padding:0 10px;
}
            }
/* =========================================================
   最新科研成果 Research Progress
   ========================================================= */
.research-wrap {

  position: relative;
}

.research-slider {
  overflow: hidden;
}

.research-track {
  display: flex;
  transition: transform 0.5s ease;
  gap: 24px;
}

.research-card {
  background: rgba(246, 251 ,245,.55);
  border-radius: 6px;
  padding: 30px 26px;
  min-height: 230px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;


    box-shadow: 0px -1px 42px 5px rgba(0, 0, 0, 0.04);
  transition: transform 0.3s, box-shadow 0.3s;



}



.research-card:hover {
  transform: translateY(-6px);
  box-shadow: 0 4px 16px rgba(0, 0, 0, 0.06);
}

.research-card .rc-title {
  font-size: 20px;
  line-height: 1.7;
  color: #555;
}
.research-card:hover,
.research-card.first{
background: url(../images/research-hover-bg.png) no-repeat 0 100%;

}


.research-card.first .rc-title {
  color: #007943;
  font-weight: 800;
}

.research-card .rc-bottom {
  margin-top: 24px;
}

.research-card .rc-line {
  width: 44px;
  height: 3px;
  background: #222;
  margin-bottom: 12px;
}

.research-card .rc-date {
  color: #777777;
  font-size: 13px;
  text-align: right;
}
.research-card:hover a{
color: #007943;
  font-weight: bold;
}
/* 左右切换按钮 */
.research-nav {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  width: 46px;
  height: 46px;
  border-radius: 50%;
  background: rgba(31, 138, 76, 0.55);
  color: #fff;
  border: none;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 22px;
  transition: background 0.25s;
  z-index: 3;
}

.research-nav:hover {
  background: #007943;
}

.research-nav.prev {
  left: 8px;
}

.research-nav.next {
  right: 8px;
}



     /* 科研成果模块 */
     .research-section {
       max-width: 1600px;
       margin: 0 auto;
       padding: 60px 20px;

       position: relative;
       overflow: hidden;
     }
  
     .research-section::before {
       content: "";
       position: absolute;
       top: 0;
       left: 0;
       width: 100%;
       height: 100%;

       pointer-events: none;
     }
  
     /* 头部标题 */
     .section-header {
       display: -webkit-box;
       display: -ms-flexbox;
       display: flex;
       -webkit-box-pack: justify;
       -ms-flex-pack: justify;
       justify-content: space-between;
       -webkit-box-align: center;
       -ms-flex-align: center;
       align-items: center;
       margin-bottom: 40px;
       position: relative;
       z-index: 1;
     }
  
     .section-title {
       font-size: 32px;
       color: #007a29;
       font-weight: bold;
       display: -webkit-box;
       display: -ms-flexbox;
       display: flex;
       -webkit-box-align: center;
       -ms-flex-align: center;
       align-items: center;
     }
  
     .title-icon {
       display: inline-block;
       width: 24px;
       height: 24px;
       background: url('data:image/svg+xml;utf8,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 24 24" fill="%23007a29"><path d="M19 3H5c-1.1 0-2 .9-2 2v14c0 1.1.9 2 2 2h14c1.1 0 2-.9 2-2V5c0-1.1-.9-2-2-2zm-5 14H7v-2h7v2zm3-4H7v-2h10v2zm0-4H7V7h10v2z"/></svg>') no-repeat center;
       background-size: contain;
       margin-right: 10px;
     }
  
     .en-title {
       font-family: Arial, sans-serif;
       font-size: 34px;
       color: #007a29;
       margin-left: 8px;
     }
  
     .view-more-btn {
       padding: 8px 20px;
       border: 1px solid #999;
       border-radius: 20px;
       color: #333;
       text-decoration: none;
       font-size: 16px;
       -webkit-transition: all 0.3s ease;
       -o-transition: all 0.3s ease;
       transition: all 0.3s ease;
     }
  
     .view-more-btn:hover {
       background-color: #f0f0f0;
       border-color: #666;
     }
  
     /* 卡片容器 */
     .cards-wrapper {
       overflow: hidden;
       margin-bottom: 40px;
     }
  
     .cards-container {
       display: -webkit-box;
       display: -ms-flexbox;
       display: flex;
       -webkit-transition: -webkit-transform 0.5s ease;
       transition: -webkit-transform 0.5s ease;
       -o-transition: transform 0.5s ease;
       transition: transform 0.5s ease;
       transition: transform 0.5s ease, -webkit-transform 0.5s ease;
     }
  
     /* 卡片样式 */
     .research-card {
       -webkit-box-flex: 0;
       -ms-flex: 0 0 24%;
       flex: 0 0 24%;
       margin: 0 0.5%;
       background-color: rgba(239, 247, 237,.55);
       border-radius: 8px;

        box-shadow: 0 4px 12px rgba(12, 12, 12, 0.05);
       padding: 30px 25px;
       min-height: 260px;
       display: -webkit-box;
       display: -ms-flexbox;
       display: flex;
       -webkit-box-orient: vertical;
       -webkit-box-direction: normal;
       -ms-flex-direction: column;
       flex-direction: column;
       position: relative;
       overflow: hidden;
       -webkit-transition: all 0.3s ease;
       -o-transition: all 0.3s ease;
       transition: all 0.3s ease;
     }


  
     .research-card:hover {
       -webkit-transform: translateY(-5px);
       -ms-transform: translateY(-5px);
       transform: translateY(-5px);
       box-shadow: 0 8px 20px rgba(0, 0, 0, 0.1);
     }
  
     .research-card.active .card-bg {
       display: block;
     }
  
     .card-bg {
       position: absolute;
       top: 0;
       left: 0;
       width: 100%;
       height: 100%;
       background-color: rgba(230, 245, 230, 0.4);
       background-image: radial-gradient(circle, rgba(0, 122, 41, 0.08) 1px, transparent 1px);
       background-size: 10px 10px;
       display: none;
       z-index: 0;
     }
  
     .card-content {
       position: relative;
       z-index: 1;
       display: -webkit-box;
       display: -ms-flexbox;
       display: flex;
       -webkit-box-orient: vertical;
       -webkit-box-direction: normal;
       -ms-flex-direction: column;
       flex-direction: column;
       height: 100%;
     }
  
     .card-title {
       font-size: 20px;
       line-height: 1.6;
       margin:20px 10px 10px 10px;
       color: #333;
       -webkit-box-flex: 1;
       -ms-flex-positive: 1;
       flex-grow: 1;
     }



.card-content p span{
    background: #007943;
    color: #fff;
    line-height: 30px;
    display: inline-block;
    padding: 7px 10px;
    border-radius: 5px;
    font-size: 22px;
}
  
     .research-card.active .card-title {
       color: #007a29;
       font-weight: bold;
     }
  
     .progress-line {
       width: 60px;
       height: 5px;
       margin-bottom: 20px;
     }
  
     .progress-line.green {
       background-color: #7a7c7a;
     }
  .research-card:hover .progress-line,
.research-card.first .progress-line{

      background: #007943;
}
     .progress-line.black {
       background-color: #333;
     }
  
     .card-date {
       font-size: 16px;
       color: #999;
       text-align: right;
     }
  
     /* 轮播控制 */
     .carousel-controls {
       display: -webkit-box;
       display: -ms-flexbox;
       display: flex;
       -webkit-box-align: center;
       -ms-flex-align: center;
       align-items: center;
       -webkit-box-pack: justify;
       -ms-flex-pack: justify;
       justify-content: space-between;
       position: relative;
display:none;

     }
  
     .control-btn {
       width: 45px;
       height: 45px;
       border-radius: 50%;
       border: none;
       background-color: #50a870;
       color: #ffffff;
       font-size: 20px;
       cursor: pointer;
       display: -webkit-box;
       display: -ms-flexbox;
       display: flex;
       -webkit-box-align: center;
       -ms-flex-align: center;
       align-items: center;
       -webkit-box-pack: center;
       -ms-flex-pack: center;
       justify-content: center;
       -webkit-transition: all 0.3s ease;
       -o-transition: all 0.3s ease;
       transition: all 0.3s ease;
     }
  
     .control-btn:hover {
       background-color: #007a29;
       -webkit-transform: scale(1.1);
       -ms-transform: scale(1.1);
       transform: scale(1.1);
     }
  
     .control-btn:disabled {
       background-color: #ccc;
       cursor: not-allowed;
       -webkit-transform: none;
       -ms-transform: none;
       transform: none;
     }
  
     .progress-track {
       -webkit-box-flex: 1;
       -ms-flex-positive: 1;
       flex-grow: 1;
       height: 5px;
       background-color: #e0e0e0;
       margin: 0 20px;
       border-radius: 3px;
       overflow: hidden;
     }
  
     .progress-fill {
       height: 100%;
       width: 0%;
       background-color: #50a870;
       border-radius: 3px;
       -webkit-transition: width 0.5s ease;
       -o-transition: width 0.5s ease;
       transition: width 0.5s ease;
     }
  
     /* 响应式适配 */
     @media screen and (max-width: 1200px) {
       .research-card {
         -webkit-box-flex: 0;
         -ms-flex: 0 0 32%;
         flex: 0 0 32%;
       }
     }
  
     @media screen and (max-width: 992px) {
       .research-card {
         -webkit-box-flex: 0;
         -ms-flex: 0 0 48%;
         flex: 0 0 48%;
       }
  
       .section-title {
         font-size: 26px;
       }
  
       .en-title {
         font-size: 28px;
       }
     }
  
     @media screen and (max-width: 768px) {
       .research-section {
         padding: 10px 15px;
       }
  

    .research-wrap  .section {
    padding: 10px 0;
}
    .research-wrap  .section-head{
margin-bottom:10px;
}
       .section-header {
         -webkit-box-orient: vertical;
         -webkit-box-direction: normal;
         -ms-flex-direction: column;
         flex-direction: column;
         -webkit-box-align: start;
         -ms-flex-align: start;
         align-items: flex-start;
       }
  
       .view-more-btn {
         margin-top: 15px;
       }
  
       .research-card {
         -webkit-box-flex: 0;
         -ms-flex: 0 0 98%;
         flex: 0 0 98%;
         min-height: auto;
         padding: 25px 20px;
       }
  
       .card-title {
         font-size: 16px;
       }
  

     }
/* =========================================================
   平台入口按钮
   ========================================================= */
.entry-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 30px;
  padding: 50px 0;
}

.entry-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 16px;
  padding: 26px;
  border-radius: 6px;
  color: #fff;
  font-size: 22px;
  font-weight: 700;
  background: linear-gradient(135deg, #1f9b86, #2e9d5e);
  transition: transform 0.25s, box-shadow 0.25s;
  box-shadow: 0 6px 18px rgba(31, 155, 134, 0.25);
}
.entry-btn:nth-child(1){
background: url(../images/entry-btn1-bg.jpg) no-repeat 50% 50%;

}

.entry-btn:nth-child(2) {
  background: url(../images/entry-btn2-bg.jpg) no-repeat 50% 50%;

}
.entry-btn:hover {
  transform: translateY(-4px);
  box-shadow: 0 10px 24px rgba(31, 155, 134, 0.4);
}
.entry-btn img,
.entry-btn svg {
  width: 34px;
  height: 34px;
  fill: #fff;
}

/* =========================================================
   页脚 Footer
   ========================================================= */
.site-footer {
  background: #007943;
  background: url(../images/bootom-bg.jpg) no-repeat 50% 0;
  background-size: cover;
  color: rgba(255, 255, 255, 0.92);
}

.footer-inner {
  padding: 20px 0 0 0px;
}

.footer-block {
  margin-bottom: 10px;
}

.footer-title {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 20px;
  font-weight: 800;
  margin: 20px 0;
}

.footer-title svg {
  width: 35px;
  height: 35px;
  fill: #fff;
}

.quick-links {
  display: flex;
  flex-wrap: wrap;
  gap: 20px;
  padding-left: 36px;
}

.quick-links a {
  font-size:18px;
  transition: opacity 0.2s;
}

.quick-links a:hover {
  opacity: 0.7;
  text-decoration: underline;
}

.footer-contact {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  flex-wrap: wrap;
  gap: 30px;
}

.contact-info {
  padding-left: 36px;
}

.contact-info p {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 18px;
  margin-bottom: 5px;
}

.contact-info svg {
  width: 18px;
  height: 18px;
  fill: rgba(255, 255, 255, 0.85);
  flex-shrink: 0;
}

.qr-group {
  display: flex;
  gap: 28px;
}

.qr-item {
  text-align: center;
}

.qr-item img {
  width: 120px;
  height: 120px;
  border-radius: 4px;
  background: #fff;
  padding: 6px;
}

.qr-item span {
  display: block;
  margin-top: 10px;
  font-size: 14px;
}

.copyright {
  border-top: 1px solid rgba(255, 255, 255, 0.15);
  text-align: center;
  padding: 15px 0;
  font-size: 14px;
  color: rgba(255, 255, 255, 0.8);
}

/* =========================================================
   内页通用：面包屑 / 列表 / 文章
   ========================================================= */
.page-banner {
  position: relative;

  overflow: hidden;
}

.page-banner img {
  width: 100%;
 height: 100%;

}

.page-banner .pb-mask {
  position: absolute;
  inset: 0;
  background: linear-gradient(rgba(31, 138, 76, 0.35),
      rgba(31, 138, 76, 0.55));
  display: flex;
  align-items: center;
  justify-content: center;
}

.page-banner .pb-title {
  color: #fff;
  font-size: 28px;
  font-weight: 800;
  letter-spacing: 2px;

text-shadow: 2px 2px 3px rgba(0, 0, 0, 0.5);
}

.breadcrumb {
  background: #f7faf7;
  border-bottom: 1px solid #e6e6e6;
}

.breadcrumb .container {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 16px 20px;
  font-size: 14px;
  color: #777777;
}

.breadcrumb a:hover {
  color: #2e9d5e;
}

.breadcrumb .sep {
  opacity: 0.6;
}

.breadcrumb .current {
  color: #007943;
}

/* 列表页布局 */
.list-layout {
  display: grid;
  grid-template-columns: 260px 1fr;
  gap: 40px;
  padding: 46px 0;
}
#dpzw p{
    line-height: 40px !important;
}
.side-menu {
  border: 1px solid #e6e6e6;
  border-radius: 6px;
  overflow: hidden;
  align-self: start;
}

.side-menu .sm-head {
  background: #007943;
  color: #fff;
  padding: 18px 22px;
  font-size: 20px;
  font-weight: 700;
}

.side-menu li a {
  display: block;
  padding: 15px 22px;
  border-bottom: 1px solid #e6e6e6;
  font-size: 15px;
  transition: all 0.2s;
}

.side-menu li a:hover,
.side-menu li.active>a {
  background: #eaf6ee;
  color: #007943;
  font-weight: 700;
  padding-left: 28px;
}
.side-menu li.active .active{
  color: #007943;
}
.side-menu li:last-child a {
  border-bottom: none;
}

/* 侧边栏二级菜单 */
.side-menu li.side-has-sub > a {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.side-menu .side-caret {
  display: inline-block;
  width: 0;
  height: 0;
  border-left: 5px solid transparent;
  border-right: 5px solid transparent;
  border-top: 5px solid #999;
  transition: transform 0.3s ease;
}

.side-menu li.side-has-sub.open > a .side-caret {
  transform: rotate(180deg);
}

.side-menu .side-sub {
  display: none;
  background-color: #fafafa;
}

.side-menu .side-sub li a {
  padding: 12px 22px 12px 44px;
  font-size: 16px;
  border-bottom: 1px solid #e6e6e6;
  background: #fafafa;
}

.side-menu .side-sub li a:hover {
  background: #eaf6ee;
  color: #007943;
  padding-left: 50px;
}

.side-menu .side-sub li:last-child a {
  border-bottom: none;
}

.side-list li.active .side-sub{
display:block!important;
}

/* 文章列表 */
.article-list .al-item {
  display: flex;
  gap: 18px;
  align-items: center;
  padding: 22px 6px;
  border-bottom: 1px dashed #e6e6e6;
  transition: background 0.2s;
}

.article-list .al-item:hover {
  background: #f7faf7;
}

.article-list .al-date {
  flex-shrink: 0;
  width: 78px;
  height: 78px;
  border-radius: 4px;
  background: #eaf6ee;
  color: #007943;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  transition: all 0.25s;
}

.article-list .al-item:hover .al-date {
  background: #2e9d5e;
  color: #fff;
}

.article-list .al-date .d {
  font-size: 28px;
  font-weight: 800;
  line-height: 1;
}

.article-list .al-date .ym {
  font-size: 12px;
  margin-top: 6px;
}

.article-list .al-main {
  flex: 1;
  min-width: 0;
}

.article-list .al-title {
  font-size: 17px;
  font-weight: 600;
  color: #333;
  margin-bottom: 8px;
  transition: color 0.2s;
}

.article-list .al-item:hover .al-title {
  color: #2e9d5e;
}

.article-list .al-desc {
  font-size: 14px;
  color: #777777;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

/* 分页 */
.pagination {
  display: flex;
  justify-content: center;
  gap: 8px;
  margin-top: 40px;
}

.pagination a {
  min-width: 38px;
  height: 38px;
  padding: 0 12px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border: 1px solid #e6e6e6;
  border-radius: 4px;
  font-size: 14px;
  color: #333;
  transition: all 0.2s;
}

.pagination a:hover,
.pagination a.active {
  background: #2e9d5e;
  color: #fff;
  border-color: #2e9d5e;
}

/* 内容页 */
.article-layout {
  padding: 46px 0;
}

.article-box {
  max-width: 1500px;
  margin: 0 auto;
  background: #fff;
}

.article-head {
  text-align: center;
  padding-bottom: 24px;
  border-bottom: 1px solid #e6e6e6;
  margin-bottom: 30px;
}

.article-head h1 {
  font-size: 28px;
  color: #222;
  line-height: 1.5;
  margin-bottom: 16px;
}

.article-meta {
  color: #777777;
  font-size: 14px;
  display: flex;
  gap: 24px;
  justify-content: center;
}

.article-content p {
  font-size: 16px;
  line-height: 2;
  color: #444;
  margin-bottom: 20px;
  text-indent: 2em;
}

.article-content img {
  margin: 24px auto;
  border-radius: 6px;
}

.article-content figcaption {
  text-align: center;
  color: #777777;
  font-size: 14px;
  margin-top: -10px;
  margin-bottom: 24px;
}

.article-nav {
  margin-top: 40px;
  border-top: 1px solid #e6e6e6;
  padding-top: 24px;
}

.article-nav a {
  display: block;
  padding: 8px 0;
  font-size: 15px;
  color: #555;
  transition: color 0.2s;
}

.article-nav a:hover {
  color: #2e9d5e;
}

/* =========================================================
   响应式
   ========================================================= */
@media (max-width: 992px) {

  .news-grid,
  .two-cols,
  .entry-grid {
    grid-template-columns: 1fr;
    gap: 28px;
  }

  .list-layout {
    grid-template-columns: 1fr;
  }

  .side-menu {
    order: 2;
display:none;
  }

  .hero-slide img {
    height: 420px;
  }

  .brand-text .cn {
    font-size: 24px;
  }
}

@media (max-width: 768px) {
  .main-nav {
    position: relative;
    display: flex;
    align-items: center;
    justify-content: flex-end;
    min-height: 54px;
    padding: 0 20px;
  }

  .nav-toggle {
    display: inline-flex;
    width: 42px;
    height: 38px;
    align-items: center;
    justify-content: center;
    background: transparent;
    border: 1px solid rgba(255, 255, 255, 0.55);
    border-radius: 4px;
    color: #fff;
  }

  /* ⚠️ 修复：移动端子菜单统一使用 display 方式隐藏/展开
     原代码使用 max-height:0;overflow:hidden 配合 .open-sub 类，
     但 JS 实际使用 .show 类的 display:block 控制，
     导致 768px 断点的 max-height:0 覆盖了 992px 断点的 display:block，
     子菜单无法展开。
     修复方案：删除 max-height 方式，统一用 display:none/block + .show 类 */
  .nav-list {
    flex-direction: column;
    display: none;
    padding: 0;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    z-index: 20;
    background: #007943;
    box-shadow: 0 8px 16px rgba(0, 0, 0, 0.2);
  }

  .nav-list.open {
    display: flex;
  }

  .nav-list>li>a {
    padding: 14px 20px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.12);
    font-size: 16px;
  }

  .nav-list>li.has-sub>a {
    justify-content: space-between;
  }

  .caret {
    border-top-color: #fff;
  }

  .nav-list>li.has-sub.open-sub .caret {
    transform: rotate(180deg);
  }

  /* 二级菜单：使用 display:none + .show 类控制，与 JS 一致 */
  .sub-menu {
    display: none;
    background-color: #00854b;
    width: 100%;
    max-height: none;
    overflow: visible;
  }

  .sub-menu.show {
    display: block;
  }

  .sub-menu>li>a {
    padding: 12px 36px;
    font-size: 14px;
  }

  /* 三级菜单：同样使用 display:none + .show 类控制 */
  .third-menu {
    display: none;
    background-color: #009152;
    width: 100%;
  }

  .third-menu.show {
    display: block;
  }

  .brand {
    padding: 6px 0 18px;
  }

  .brand-text .cn {
    font-size: 19px;
  }

  .brand-text .en {
    font-size: 10px;
  }

  .brand-logo {
    width: 100%;
    height: auto;
  }


       .section-head .title {
         font-size: 18px;
       }
  
     ..section-head .title .en {
         font-size: 16px;
       }
.section-head .title svg{
width:30px;
height:30px;
margin-left:10px;
}
  .more-btn {
    position: static;
  }

  .section-head {
    flex-wrap: wrap;
    gap: 10px;
    justify-content: center;
  }

  .hero-slide img {
    height: 260px;
  }

  .news-slider .ns-slide img {
    height: 280px;
  }

  .page-banner {
    height: 60px;
  }

  .page-banner .pb-title {
    font-size:16px;
  }

  .article-head h1 {
    font-size: 22px;
  }

  .qr-group {
    gap: 16px;
margin:0 auto;
  }

  .qr-item img {
    width: 96px;
    height: 96px;
  }
}

@media (max-width: 480px) {
  .ns-caption {
    padding: 14px 18px;
    flex-wrap: wrap;
  }

  .article-list .al-date {
    width: 60px;
    height: 60px;
  }

  .article-list .al-date .d {
    font-size: 22px;
  }
}

/* =========================================================
   全屏搜索遮罩层
   ========================================================= */
.search-overlay {
  position: fixed;
  inset: 0;
  z-index: 999;
  display: flex;
  align-items: flex-start;
  justify-content: center;
  padding: 0 24px;
  background: rgba(15, 60, 35, 0.55);
  backdrop-filter: blur(6px);
  -webkit-backdrop-filter: blur(6px);
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.3s ease, visibility 0.3s ease;
}

.search-overlay.open {
  opacity: 1;
  visibility: visible;
}

/* 关闭按钮 */
.search-close {
  position: absolute;
  top: 26px;
  right: 30px;
  width: 46px;
  height: 46px;
  border-radius: 50%;
  border: 1px solid rgba(255, 255, 255, 0.5);
  background: transparent;
  color: #fff;
  font-size: 30px;
  line-height: 1;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: transform 0.25s ease, background 0.25s ease, border-color 0.25s ease;
}

.search-close:hover {
  background: rgba(255, 255, 255, 0.18);
  border-color: #fff;
  transform: rotate(90deg);
}

/* 搜索面板 */
.search-panel {
  width: 100%;
  max-width: 720px;
  margin-top: 18vh;
  transform: translateY(-24px);
  transition: transform 0.35s cubic-bezier(0.22, 1, 0.36, 1);
}

.search-overlay.open .search-panel {
  transform: translateY(0);
}

.search-title {
  color: #fff;
  font-size: 26px;
  font-weight: 700;
  margin-bottom: 22px;
  letter-spacing: 2px;
}

/* 搜索输入条 */
.search-form {
  display: flex;
  align-items: center;
  background: #fff;
  border-radius: 50px;
  padding: 6px 6px 6px 22px;
  box-shadow: 0 18px 40px rgba(0, 0, 0, 0.25);
}

.search-form-icon {
  color: #2e9d5e;
  flex: none;
}

.search-input {
  flex: 1;
  border: none;
  outline: none;
  font-size: 17px;
  color: #333333;
  padding: 14px 16px;
  background: transparent;
}

.search-input::placeholder {
  color: #aaa;
}

.search-submit {
  flex: none;
  border: none;
  cursor: pointer;
  background: linear-gradient(135deg, #1f9b86, #2e9d5e);
  color: #fff;
  font-size: 16px;
  font-weight: 600;
  padding: 0 34px;
  height: 50px;
  border-radius: 50px;
  transition: filter 0.25s ease, transform 0.15s ease;
}

.search-submit:hover {
  filter: brightness(1.08);
}

.search-submit:active {
  transform: scale(0.97);
}

/* 热门标签 */
.search-tags {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 22px;
}

.search-tags-label {
  color: rgba(255, 255, 255, 0.85);
  font-size: 14px;
}

.search-tag {
  border: 1px solid rgba(255, 255, 255, 0.45);
  background: rgba(255, 255, 255, 0.08);
  color: #fff;
  font-size: 13px;
  cursor: pointer;
  padding: 7px 16px;
  border-radius: 50px;
  transition: background 0.25s ease, border-color 0.25s ease;
}

.search-tag:hover {
  background: rgba(255, 255, 255, 0.22);
  border-color: #fff;
}




@media (max-width: 480px) {
  .search-panel {
    margin-top: 22vh;
  }

  .search-title {
    font-size: 21px;
  }

  .search-submit {.carousel-controls
  }

  .search-input {
    font-size: 15px;
  }
}
.logo-a{
display:none;
}

.right-2row{

    display: grid;
    grid-template-columns: 180px 1fr;
    gap: 40px;
    padding: 46px 0;
}


 .year-wrap {
            display: grid;
              gap: 5px;
    max-height: 220px;
    overflow-y: scroll;
  /* 右侧预留滚动条间距，防止文字挤压 */
  padding-right: 8px;
}

/* 绿色滚动条核心样式 - webkit内核(Chrome/Edge/360等) */
.year-wrap::-webkit-scrollbar {
  /* 滚动条宽度 */
  width: 6px;
}
/* 滚动条轨道背景 */
.year-wrap::-webkit-scrollbar-track {
  background: #e6f3e9;
  border-radius: 10px;
}
/* 滚动条滑块（主题绿色） */
.year-wrap::-webkit-scrollbar-thumb {
  background: #198738;
  border-radius: 10px;
}
/* 鼠标悬浮滑块加深绿色 */
.year-wrap::-webkit-scrollbar-thumb:hover {
  background: #146b2c;
}

/* Firefox浏览器兼容滚动条 */
.year-wrap {
  scrollbar-width: thin;
  scrollbar-color: #198738 #e6f3e9;
}
        .year-item {
            font-size: 20px;
            color: #198738;
            font-weight: 600;
            padding: 10px 10px;
            border-radius: 10px;
            cursor: pointer;
            transition: all 0.25s ease;
            text-align: center;
        }
        .year-item:hover {
            background: #198738;
            color: #fff;
            transform: translateY(-4px);
            box-shadow: 0 6px 16px rgba(25, 135, 56, 0.25);
        }
        .year-item:hover  a{color:#fff;}

            /* 响应式适配 */
            @media screen and (max-width: 768px) {
.brand{
display:none;
}
.top-bar a{
font-size:12px;
}
.logo-a{
    display: block;
    width: calc(100% - 45px);
}
.dot{
width:12px;
height:12px;
}
.entry-btn{
font-size:16px;
}
.footer-title{
font-size:16px;
padding:0 10px;
}
.footer-title svg{
width:25px;
height:25px;
}
.quick-links a,
.contact-info p{
font-size:12px;
}
.copyright{
font-size:12px;
}

       .section-title {
         font-size: 18px;
       }
  
       .en-title {
         font-size: 16px;
       }
.section-head .title svg{
width:30px;
height:30px;
margin-left:10px;
}
}