/* 初始化所有样式 */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: Helvetica, "PingFang SC", "Microsoft Yahei", sans-serif;
    font-size: 14px;
  }
  @font-face {
    font-family: "Rajdhani";
    font-weight: normal;
    src: url("./fonts/RAJDHANI_BOLD.ttf") format("truetype"),
      url("./fonts/RAJDHANI_BOLD.eot") format("eot"),
      url("./fonts/RAJDHANI_BOLD.woff2") format("woff2"),
      url("./fonts/RAJDHANI_BOLD.woff") format("woff");
  }
  
  html{
    overflow-x: hidden;
  }
  a {text-decoration: none;}
  li {list-style: none;}
  .clearfix:after,
  .auto:after {
    content: "";
    display: block;
    height: 0;
    clear: both;
  }
  :root {
    --primary-color: #472322;
    --secondary-color: #e3e3e3;
    --text-color-lightest: #e7e9ec;
    --text-color-darker: #2e2e2e;
    --text-color-dark: #494949;
    --text-color-gray: #8b8b8b;
    --text-color-dark-gray: #727272;
    --text-color-light-gray: #c6c6c6;
    --backdrop-color: rgba(42, 42, 42, 0.7);
  }
  .wrap{
    width: 100%;
  }
  /* 栅格布局 */
  header {
    width: 100vw;
    height: 80px;
    display: grid;
    padding: 0 30px;
    grid-template-columns: 1fr 5fr;
    align-content: center;
    position: relative;
    z-index: 200;
  }
  /* 通用样式 */
.content-wrapper {
  display: flex;
  align-items: center;
  justify-content: center;
  flex-direction: column;
}

section {
  /* 二维 */
  display: grid;
  /* 每个列的对齐方式 */
  justify-items: center;
  max-width: 1280px;
  padding: 0 80px;
  margin: 0 auto;
  width: 100%;
}

.section-bg {
  position: relative;
}

.section-bg::before {
  content: "";
  display: block;
  position: absolute;
  background-color: #f9fbfb;
  width: 100vw;
  height: 100%;
  z-index: -1;
}
  .logo {
    font-size: 24px;
    font-weight: 600;
    color: var(--text-color-lightest);
  }
  .logo img {
    height: 60px;
    width: 60px;
  }
  
  header nav i {
    color: var(--text-color-lightest);
  }
  
  header.burger {
    display: none;
  }
  
  header.sticky {
    position: fixed;
    background-color: white;
    box-shadow: 0 0 18px rgba(0, 0, 0, 0.2);
    top: 0;
    animation: dropDown 0.5s ease-in-out forwards;
  }
  
  header.sticky .logo,
  header.sticky nav a,
  header.sticky nav i {
    color: var(--text-color-darker);
  }
  
  @keyframes dropDown {
    from {
      transform: translateY(-100px);
    }
  
    to {
      transform: translateY(0);
    }
  }



  /* 底部信息 */
footer {
    background-color: #181818;
    display: grid;
    justify-items: center;
  }
  
  .footer-menus {
    width: 100%;
    max-width: 1280px;
    padding: 0 80px;
    position: relative;
  }
  .footer-menus .conts{
    display: grid;
    grid-template-columns: 3fr 3fr 1fr;
  }
  .footer-menus p{
    padding: 0;
  }
  
  .menu-title {
    font-size: 16px;
    color: white;
    font-weight: bold;
    margin-bottom: 20px;
    height: 20px;
  }
  
  .contact-us {
    justify-self: start;
    color: var(--text-color-lightest);
    padding-right: 30px;
  }
  
  .contact-us p:not(:first-child) {
    padding-bottom: 16px;
  }
  
  .menu-items .qrcode{
    width: 100px;
    height: 100px;
  }
  .menu-items ul {
    overflow: hidden;
  }
  .menu-items li {
    padding-bottom: 8px;
    width: 50%;
    float: left;
  }
  
  .menu-items li a {
    font-weight: 300;
    color: var(--text-color-lightest);
  }
  
  .icp-info {
    margin-top: 24px;
    margin-bottom: 16px;
  }
  
  .icp-info,
  .rights {
    grid-column: 1 / -1;
    justify-self: center;
    color: white;
  }
  
  .scroll-to-top {
    display: none;
    position: relative;
    z-index: 300;
  }
  
  .scroll-to-top a {
    width: 32px;
    height: 32px;
    border-radius: 4px;
    display: flex;
    align-items: center;
    justify-content: center;
    background-color: var(--primary-color);
    color: white;
    text-decoration: none;
    position: fixed;
    bottom: 60px;
    right: 30px;
  }
  header nav a{
    text-decoration: none;
    color: var(--text-color-lightest);
  }
 
  @media (min-width: 992px) {
    header nav {
      position: relative;
      display: flex;
      align-items: center;
      justify-content: flex-end;
    }
    header nav a {
      margin: 0 20px;
      text-align: center;
      font-size: 14px;
    }
    .inner_bor{
      width: 100px;
      height: 3px;
      bottom: -8px;
      position: absolute;
      left: 0;
      z-index: 2;
      background-color: #e40000;
      transition: all 0.3s;
    }
  }
  @media (max-width:992px) {
    .news .conts{
      grid-template-columns: 1fr;
      grid-column-gap:0;
      margin-bottom: 40px;
    }
    .news .reportBox{
      display: none;
    }
    .youshi {gap: 20px;}
    .youshi .ys_t1{font-size: 20px;}
    .youshi .ys_t1 b{font-size: 28;}
    .youshi .ys_t2{font-size: 16px;margin: 5px 0 20px;}
    .slide-caption h1 {
      font-size: 48px;
    }
    .slide-caption h3 {
      font-size: 18px;
    }
  
    .services {
      grid-template-columns: repeat(2, 1fr);
      grid-template-rows: unset;
    }
    footer{padding-top: 40px;}
    .footer-menus .conts{
      grid-template-columns: 1fr 1fr;
      grid-template-areas:'a a' 'b c';
      justify-self: start;
    }
    .contact-us{
      grid-area: a;
    }
    .service-b{
      grid-area: b;
    }
    .service-c{
      grid-area: c;
    }
    #video-container{
      height: 300px;
    }
    #video-container .video-content {
      transform: translateY(-50%) scale(0.8);
    }
    .iconf ul {display: grid;grid-template-columns: repeat(2, 1fr);}
    .iconf ul li{width: 100%;}
    .liu { padding-top:31px; 
    background-size: cover;}
    .liu h2{
      font-size: 30px;
    }
    .iconb .mt30{margin-top: 10px;}
    .iconb li .h1{height: auto;}
    .iconb li .h2{display: none;}
    .liu h2:after{top: 45px;}
    .liu ul{
      margin: 40px 0 0;
    }
    .liu li{
      margin-bottom: 10px;
      width: 45%;
    }
    .iconb{
      height: auto;
      padding-top:0;
      background-size: cover;
    }
    .iconb ul li{border-right: none;}
    .title1 {
      font-size: 28px;
      margin: 30px 0 20px;
    }
    .cCont1 .auto {
      grid-template-columns: 1fr;
    }
    .cCont1 .auto .Ri{
      margin-top: 20px;
      padding-left:0;
    }
    header nav {
      display: none;
    }
    .logo img{
      height: 40px;
      width: 40px;
    }
  
    header .burger {
      display: block;
      position: relative;
      width: 20px;
      height: 6px;
      justify-self: end;
      cursor: pointer;
      margin-top: 20px;
    }
  
    .burger-line1,
    .burger-line2,
    .burger-line3 {
      width: 20px;
      height: 2px;
      background-color: var(--text-color-lightest);
    }
  
    .burger-line1 {
      position: absolute;
      top: -6px;
    }
  
    .burger-line3 {
      position: absolute;
      top: 6px;
    }
  
    header.open nav {
      display: grid;
      position: absolute;
      left: 0;
      top: 0;
      width: 100vw;
      height: 100vh;
      background-color: white;
      grid-auto-rows: max-content;
      justify-items: start;
      padding: 0 40px;
      opacity: 0;
      animation: slideDown 0.6s ease-out forwards;
    }
  
    header.open nav>* {
      font-size: 18px;
      margin: 4px 0;
      opacity: 0;
      color: var(--text-color-darker);
      animation: showMenu 0.5s linear forwards 0.4s;
    }
  
    header.opem nav>i.fas {
      margin-top: 10px;
    }
  
    header.open .burger-line1,
    header.open .burger-line2,
    header.open .burger-line3,
    header.sticky .burger-line1,
    header.sticky .burger-line2,
    header.sticky .burger-line3 {
      background-color: var(--text-color-darker);
      transform: 0.4s ease;
    }
  
    header.open .burger-line1 {
      transform: rotate(45deg) translate(3px, 5px);
    }
  
    header.open .burger-line2 {
      transform: translateX(5px);
      opacity: 0;
    }
  
    header.open .burger-line3 {
      transform: rotate(-45deg) translate(3px, -5px);
    }
  
    header.open .logo {
      z-index: 40;
      color: var(--text-color-darker);
    }
  
    @keyframes slideDown {
      from {
        height: 0;
        opacity: 0;
      }
  
      to {
        height: 100vh;
        padding-top: 80px;
        opacity: 1;
      }
    }
  
    @keyframes showMenu {
      from {
        opacity: 0;
        transform: translateY(-1vh);
      }
  
      to {
        opacity: 1;
        transform: translateY(0);
      }
    }
  
    .team-members {
      grid-template-columns: repeat(2, 1fr);
      row-gap: 36px;
      column-gap: 6vw;
    }
  
    .activities {
      grid-template-columns: repeat(2, 1fr);
      row-gap: 36px;
    }
  
  }
  @media(max-width: 768px) {
    section,
    .footer-menus {
      padding: 0 30px;
    }
    .activities {
      grid-template-columns: 1fr;
      row-gap: 36px;
    }
    .team-members {
      grid-template-columns: minmax(200, 400);
    }
    .services li p{transform: scale(0.9);font-size: 14px;}
  }
  
  @media(max-width: 576px) {
    .slide-caption h1 {
      font-size: 28px;
    }
    .slide-caption h3 {
      font-size: 14px;
    }
    .explore-btn {
      font-size: 14px;
      padding: 8px 18px;
    }
  }