body {
     position: relative;
     overflow-x: hidden;
   }

   *,
   :after,
   :before {
     box-sizing: border-box;
     margin: 0;
     padding: 0;
     border: 0;
     font-weight: 400;
     vertical-align: baseline;
     text-wrap: pretty;
     font-family: 'Microsoft YaHei';
   }

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


   a {
     color: #333;
     text-decoration: none;
     font-size: 16px;
   }

   a:hover {
     color: #333;
     text-decoration: none !important;
   }

   /*滚动条*/
   ::-webkit-scrollbar {
     width: 6px;
     height: 6px;
     background-color: #F5F5F5;
   }

   /*定义滚动条轨道 内阴影+圆角*/
   ::-webkit-scrollbar-track {
     -webkit-box-shadow: inset 0 0 6px rgba(0, 0, 0, 0.3);
     border-radius: 10px;
     background-color: #F5F5F5;
   }

   /*定义滑块 内阴影+圆角*/
   ::-webkit-scrollbar-thumb {
     border-radius: 10px;
     -webkit-box-shadow: inset 0 0 6px rgba(0, 0, 0, .3);
     background: var(--color);
   }

   /* end */
   /* 隐藏video 全屏按钮 */
   .video::-webkit-media-controls-fullscreen-button {
     display: none;
   }

   /* 隐藏video 播放按钮 */
   .video::-webkit-media-controls-play-button {
     display: none;
   }

   /* 隐藏video 进度条 */
   .video::-webkit-media-controls-timeline {
     display: none;
   }

   /* 隐藏video 观看的当前时间 */
   .video::-webkit-media-controls-current-time-display {
     display: none;
   }

   /* 隐藏video 剩余时间 */


   /* 美洽手机站调整 */
   @media (max-width: 1200px) {
     iframe.sc-2suwu8-0 {
       height: 71px !important;
     }
   }

   /* 基础导航样式 */
   .header {
     width: 100%;
     position: fixed;
     top: 0;
     left: 0;
     z-index: 999;
   }

   .header .nav .navbar_nav {
     margin: 0;
     padding-left: 0;
   }

   .header .navbar_nav li>a {
     text-decoration: none;
     text-align: center;
     transition: 0.5s;
   }

   /* Logo样式 */
   .header .logo {
     display: flex;
     align-items: center;
     transition: 1s;
   }

   .header .logo img {
     max-width: 100%;
     max-height: 100%;
   }

   .header .logo .logo2 {
     display: none;
   }

   .header.on .logo .logo2 {
     display: flex;
   }

   .header.on .logo .logo1 {
     display: none;
   }

   /* 导航栏过渡效果 */
   .header .nav,
   .navbar_nav {
     transition: 1s;
   }

   .header .navbar_nav li {
     position: relative;
     display: block;
   }

   .header .navbar_nav li.dropdown {
     display: flex;
     justify-content: center;
     align-items: center;
   }

   /* 移动端导航 */
   .m_nav {
     position: fixed;
     top: 0;
     box-shadow: 0 15px 27px 0 rgba(167, 165, 165, 0.38);
     width: 100%;
     height: 100%;
     background: #fff;
     transition: all ease 0.5s;
     z-index: 1000;
     opacity: 1;
     visibility: visible;
     margin-top: 0;
     overflow-y: auto;
     transition: all .6s cubic-bezier(.77, 0, .175, 1) 0ms;
     transform: translateX(100%);
     background: rgb(255 255 255 / 60%);
     backdrop-filter: blur(10px);
     -webkit-backdrop-filter: blur(10px);
   }

   .m_nav.open {
     transform: translateX(0);
   }

   .m_nav .top {
     height: 60px;
     padding: 20px;
     box-sizing: border-box;
   }

   .m_nav .top .closed {
     width: 30px;
     height: 30px;
     vertical-align: middle;
     float: right;
     cursor: pointer;
   }

   .m_nav .logo {
     width: 100%;
     margin: 0 auto;
   }

   .m_nav .logo img {
     height: 50px;
     max-width: 75vw;
     object-fit: contain;
     display: block;
     margin: 30px auto;
   }

   .m_nav .ul {
     margin-top: 30px;
     padding: 0;
   }

   .m_nav .ul li {
     padding: 0 20px;
     transform: translateY(100%);
     transition: all .6s cubic-bezier(.77, 0, .175, 1) 0ms;
     opacity: 0;
   }

   .m_nav.open .ul li {
     opacity: 1;
     transform: translateY(0);
   }

   .m_nav .ul li a {
     display: block;
     text-decoration: none;
     color: #333;
     font-weight: bold;
     font-size: 16px;
     height: 50px;
     line-height: 50px;
     width: 100%;
     text-align: center;
   }

   .m_nav .ul li .dropdown_menu {
     display: none;
   }

   .m_nav .ul li.dropdown.active .dropdown_menu {
     display: block;
   }

   .m_nav .ul li .dropdown_menu a {
     font-size: 14px;
     display: block;
     height: 30px;
     line-height: 30px;
     box-sizing: border-box;
     overflow: hidden;
     display: -webkit-box;
     -webkit-box-orient: vertical;
     -webkit-line-clamp: 1;
     opacity: 0.7;
   }

   .m_nav .ul li .dropdown_menu a:last-child {
     border: none;
   }

   /* 媒体查询 */
   @media screen and (max-width: 1200px) {
     .header {
       height: 60px !important;
     }

     .header.on {
       height: 60px !important;
     }

     .header .container {
       display: flex;
       justify-content: space-between;
       align-items: center;
       height: 100%;
       padding-left: 2% !important;
       padding-right: 2% !important;
     }

     .header #navToggle {
       height: 100%;
       padding: 0;
       margin-right: -15px;
       display: flex;
       align-items: center;
     }

     .header #navToggle span {
       position: relative;
       width: 25px;
       height: 1px;
     }

     .header #navToggle span:before,
     .header #navToggle span:after {
       content: '';
       position: relative;
       width: 100%;
       height: 1px;
       left: 0;
     }

     .header #navToggle span,
     .header #navToggle span:before,
     .header #navToggle span:after {
       transition: 0.3s;
       display: block;
       background: #fff;
     }

     .header.on #navToggle span,
     .header.on #navToggle span:before,
     .header.on #navToggle span:after {
       transition: 0.3s;
       display: block;
       background: #fff;
     }

     .header #navToggle span:before {
       top: 8px;
     }

     .header #navToggle span:after {
       bottom: 10px;
     }

     .header #navToggle.open span:before {
       top: 10px;
       transform: translateY(-11px) rotate(-45deg);
     }

     .header #navToggle.open span:after {
       bottom: 12px;
       transform: translateY(10px) rotate(45deg);
     }

     .header #navToggle.open span {
       background: none;
     }

     .header #navToggle.open span:before,
     .header #navToggle.open span:after {
       background: #4f4f4f;
     }

     .header .nav,
     .navRightIcon {
       display: none !important;
     }

     .header .top {
       display: none;
     }

     .banner img {
       height: 600px;
       object-fit: cover;
     }

     .header .logo .logo2 {
       display: flex;
     }

     .header .logo .logo1 {
       display: none;
     }

     .header .logo {
       max-height: 60px !important;
     }
   }

   .media_pc {
     display: block !important;
   }

   .media_phone {
     display: none !important;
   }

   @media screen and (max-width: 720px) {
     .media_pc {
       display: none !important;
     }

     .media_phone {
       display: block !important;
     }
   }