* {
    margin: 0;
    padding: 0;
    font-size: 16px;
    font-size: 1rem;
    outline: none;
    font-family: Arial, Helvetica, sans-serif;
    -webkit-font-smoothing: antialiased; /* 对于 WebKit 引擎的浏览器，如 Chrome 和 Safari */
    -moz-osx-font-smoothing: grayscale; /* 对于 Firefox */
    font-smooth: always; /* 对于其他浏览器 */
}

ul, ol, li {
    list-style: none;
    padding: 0;
    margin: 0;
}
a {
    text-decoration: none;
}

.pc-container {
    position: relative;
}
.top-header-nav-bar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 100;
    width: 100%;
    height: 80px;
    height: 5rem;
    display: flex;
    align-items: center;
    justify-content: center;
}

.top-header-nav-bar::after {
  content:'';
  position:absolute;
  left:0;
  top:0;
  right:0;
  background-color:rgba(255,255,255,.8);
  height:0;
  transition:all 1.5s cubic-bezier(.19,1,.22,1);
  -webkit-transition:all 1.5s cubic-bezier(.19,1,.22,1);
  backdrop-filter: blur(10px);
  backdrop-filter: blur(0.625rem);
  z-index:-1
}

.top-header-nav-bar.fixed {
  box-shadow: 0px 2px 4px 0px rgba(0,0,0,0.04);
  box-shadow: 0px 0.125rem 0.25rem 0px rgba(0,0,0,0.04);
}
.top-header-nav-bar.fixed::after {
  height: 100%;
}
.top-header-nav-bar .orange-logo,
.top-header-nav-bar.fixed .white-logo {
  display: none;
}

.top-header-nav-bar .white-logo,
.top-header-nav-bar.fixed .orange-logo {
  display: block;
}


.fixed .nav-link {
  color: rgba(0,0,0,0.7);
  text-shadow: 0px 0px 0px rgba(0,0,0,0.04);
  position: relative;
}
.top-header {
    width: 100%;
    height: 100%;
    display: flex;
    justify-content: center;
    align-items: center;
    /* margin: 0 auto; */
    box-sizing: border-box;
    /* padding: 0 50px; */
}
.top-header-nav {
    width: 100%;
    height: 100%;
    display: flex;
    justify-content: space-between;
    align-items: center;
    box-sizing: border-box;
}
.header-logo {
    width: 70px;
    width: 4.375rem;
    height: 32px;
    height: 2rem;
}
.header-logo img {
    display: block;
    width: 100%;
    height: 100%;
}

.nav-list {
    display: flex;
    justify-content: flex-end;
    align-items: center;
}
.nav-item {
    margin-left: 60px;
    margin-left: 3.75rem;
    position: relative;
    cursor: pointer;
}

.nav-link {
    font-size: 22px;
    font-size: 1.375rem;
    font-weight: 500;
    color: rgba(255,255,255,0.6);
    line-height: 25px;
    line-height: 1.5625rem;
}

.nav-item:hover .nav-link, .nav-item.active .nav-link {
    font-weight: 600;
    color: #FF7E30;
}
.nav-item .nav-link::after {
    content: '';
    display: block;
    width: 0;
    opacity: 0;
    height: 2px;
    height: 0.125rem;
    background: #FF7E30;
    position: absolute;
    bottom: -5px;
    bottom: -0.3125rem;
    left: 5%;
    /* transform: translateX(-10%); */
    transition-property: width,opacity;
    transition-duration: .5s;
}
.nav-item .nav-link:hover::after, .nav-item.active .nav-link::after {
    width: 90%;
    opacity: 1;
}

.footer {
    width: 100%;
    background: #222;
    padding: 50px;
    padding: 3.125rem;
    box-sizing: border-box;
    display: flex;
    justify-content: center;
  }
  .footer .footer-inner {
    width: 75%;
    display: flex;
    justify-content: center;
  }
  .footer .footer-inner .footer-logo {
    margin: 0 100px 0 0px;
    margin: 0 6.25rem 0 0px;
  }
  .footer .footer-inner .footer-logo img {
    width: 90px;
    width: 5.625rem;
    height: 36px;
    height: 2.25rem;
  }

  .footer .footer-inner .footer-nav a {
    display: inline-block;
    margin-right: 80px;
    margin-right: 5rem;
    color: #fff;
    font-size: 16px;
    font-size: 1rem;
    height: 26px;
    height: 1.625rem;
    line-height: 22px;
    line-height: 1.375rem;
    border-bottom: 2px solid rgba(0, 0, 0, 0);
    border-bottom: 0.125rem solid rgba(0, 0, 0, 0);
  }
  .footer .footer-inner .footer-nav a:hover {
    border-bottom: 2px solid #fff;
    border-bottom: 0.125rem solid #fff;
  }
  .footer .footer-inner .footer-nav a.footer-mobile:before {
    content: ' ';
    display: inline-block;
    width: 11px;
    width: 0.6875rem;
    height: 16px;
    height: 1rem;
    background-image: url(data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAABwAAAAoCAYAAADt5povAAAAGXRFWHRTb2Z0d2FyZQBBZG9iZSBJbWFnZVJlYWR5ccllPAAAAyRpVFh0WE1MOmNvbS5hZG9iZS54bXAAAAAAADw/eHBhY2tldCBiZWdpbj0i77u/IiBpZD0iVzVNME1wQ2VoaUh6cmVTek5UY3prYzlkIj8+IDx4OnhtcG1ldGEgeG1sbnM6eD0iYWRvYmU6bnM6bWV0YS8iIHg6eG1wdGs9IkFkb2JlIFhNUCBDb3JlIDUuMy1jMDExIDY2LjE0NTY2MSwgMjAxMi8wMi8wNi0xNDo1NjoyNyAgICAgICAgIj4gPHJkZjpSREYgeG1sbnM6cmRmPSJodHRwOi8vd3d3LnczLm9yZy8xOTk5LzAyLzIyLXJkZi1zeW50YXgtbnMjIj4gPHJkZjpEZXNjcmlwdGlvbiByZGY6YWJvdXQ9IiIgeG1sbnM6eG1wPSJodHRwOi8vbnMuYWRvYmUuY29tL3hhcC8xLjAvIiB4bWxuczp4bXBNTT0iaHR0cDovL25zLmFkb2JlLmNvbS94YXAvMS4wL21tLyIgeG1sbnM6c3RSZWY9Imh0dHA6Ly9ucy5hZG9iZS5jb20veGFwLzEuMC9zVHlwZS9SZXNvdXJjZVJlZiMiIHhtcDpDcmVhdG9yVG9vbD0iQWRvYmUgUGhvdG9zaG9wIENTNiAoTWFjaW50b3NoKSIgeG1wTU06SW5zdGFuY2VJRD0ieG1wLmlpZDo3NzNCRkU3RUY5RDcxMUU3QUE4N0Y4QjUwNUIwRTBCMCIgeG1wTU06RG9jdW1lbnRJRD0ieG1wLmRpZDo3NzNCRkU3RkY5RDcxMUU3QUE4N0Y4QjUwNUIwRTBCMCI+IDx4bXBNTTpEZXJpdmVkRnJvbSBzdFJlZjppbnN0YW5jZUlEPSJ4bXAuaWlkOjc3M0JGRTdDRjlENzExRTdBQTg3RjhCNTA1QjBFMEIwIiBzdFJlZjpkb2N1bWVudElEPSJ4bXAuZGlkOjc3M0JGRTdERjlENzExRTdBQTg3RjhCNTA1QjBFMEIwIi8+IDwvcmRmOkRlc2NyaXB0aW9uPiA8L3JkZjpSREY+IDwveDp4bXBtZXRhPiA8P3hwYWNrZXQgZW5kPSJyIj8+zwoNWAAAAPBJREFUeNrsmDEOwjAMRVPUU8AA6mUqdenaG1UscJL0CGXiGAwgwQFA7RocZKtWplAl6VB/6UtJqvopnvyjjDEK3YCv4MGE04A1G+IQ7GTi60zA2vmgwQW7+VzbGp1Tu7YfenZwBGcBYOQMa5J6e/jGTRcYxqF004/dQGN/OoDvKo4K8M0uODCJNiqxcrbOIrPMIjcUoAAFKEABClCAawDm7swhU9sqprYS/ESX//7MR33fllrQFtcv8G5uS/cRO1lM2Cmuac+4VoEf6MozrmmKa24gbSME0pbVvywSuRUG/mSPCu6zyRgQMrrPJl8BBgDYN+Q9fSEcYQAAAABJRU5ErkJggg==);
    background-size: 11px 16px;
    background-size: 0.6875rem 1rem;
    position: relative;
    top: 2px;
    top: 0.125rem;
    margin-right: 6px;
    margin-right: 0.375rem;
  }
  .footer .footer-inner .footer-cr {
    font-size: 16px;
    font-size: 1rem;
  }
  .footer-cr p {
    margin-bottom: 12px;
    margin-bottom: 0.75rem;
  }
  .footer-cr p:last-child {
    margin-bottom: 0;
  }

  .friend-link {
    font-weight: 600;
    color: #fff;
  }
  .friend-link a {
    display: inline-block;
    color: #fff;
    margin-right: 20px;
  }
  .friend-link a:hover {
    color: #FE743D;
  }

  .copy-right {
    color: #999;
    display: flex;
    align-items: center;
    justify-content: flex-start;
    margin-bottom: 12px;
    margin-bottom: 0.75rem;
    flex-wrap: wrap;
    flex-direction: row;
    line-height: 1.5;
  }
  .portal-info {
    display: flex;
    align-items: center;
    line-height: 1.5;
    flex-wrap: wrap;
    flex-direction: row;
  }

  /* .section {
    display: none;
  }

  .section.in-viewport {
    display: block;
  } */

.color-99 {
    color: #999;
}



.modal {
  display: none;
  position: fixed; /* 固定位置 */
  z-index: 1000; /* 在其他元素之上 */
  left: 0;
  top: 0;
  width: 100%; /* 宽度和高度全屏 */
  height: 100%;
  overflow: auto; /* 启用滚动 */
  background-color: rgba(0,0,0,0.3); /* 黑色背景，半透明 */
}

.modal-content {
  background: linear-gradient( 151deg, rgba(255,232,218,0.5) 0%, rgba(255,255,255,0.5) 100%), #FFFFFF;
  border-radius: 8px;
  border-radius: 0.5rem;
  position: relative;
}

.modal .close {
  cursor: pointer;
  position: absolute;
  right: -10px;
  right: -0.625rem;
  top: -10px;
  top: -0.625rem;
  width: 40px;
  width: 2.5rem;
  height: 40px;
  height: 2.5rem;
  border-radius: 50%;
  background: url('https://boyu-new.oss-cn-shenzhen.aliyuncs.com/pc/homepage/close.svg') no-repeat center;
  background-size: 37px 37px;
  background-size: 2.3125rem 2.3125rem;
  background-color: #fff;
}

/* 自动缩放时 字体边距适配 */
@media screen and (max-width: 1400px) {
  .top-header {
    padding: 0 100px;
    padding: 0 6.25rem;
  }
  .top-header-nav-bar {
    height: 58px;
    /* height: 3.625rem; */
  }
  .nav-link {
    font-size: 16px;
    /* font-size: 1rem; */
  }
  .header-logo {
    width: 51px;
    /* width: 3.1875rem; */
    height: 23px;
    /* height: 1.4375rem; */
  }
}



/* 适配ipad */
@media screen and (min-device-width: 768px) and (max-device-width: 1024px),
        screen and (min-device-width: 720px) and (max-device-width: 1366px)
{
  .top-header-nav-bar {
    height: 58px;
    /* height: 3.625rem; */
  }
  .nav-link {
    font-size: 16px;
    /* font-size: 1rem; */
  }
  .header-logo {
    width: 51px;
    /* width: 3.1875rem; */
    height: 23px;
    /* height: 1.4375rem; */
  }
  .top-header {
    width: 100%;
    padding: 0 30px;
    /* padding: 0 1.875rem; */
  }
  .nav-item {
    margin-left: 50px;
    /* margin-left: 3.125rem; */
  }
  .friend-link a, .friend-link span,
  .portal-info a,
  .footer-address-txt,
  .copy-right a, .copy-right span{
      font-size: 12px;
      font-size: 0.75rem;
  }
}

/* 适配iMac */
@media screen and (min-width: 1400px){
  .top-header,
  .footer .footer-inner {
    /* width: 1400px; */
    width: 87.5rem;
  }
}