body {
  min-height: 100vh;
  font-size: 16px;
  color: #272727;
  font-family: 'Microsoft YaHei', SimSun, Arial, Helvetica, sans-serif;
}

h1,
h2,
h3,
h4,
h5,
h6,
p {
  margin: 0;
  font-size: 16px;
}

ul,
ol {
  margin: 0;
  padding: 0;
}

li {
  padding: 0;
  list-style-type: none;
}

a {
  text-decoration: none;
  color: #272727;
}

::-webkit-scrollbar {
  width: 8px;
  height: 8px;
  background-color: #f5f5f5;
}

::-webkit-scrollbar-thumb {
  border-radius: 4px;
  background-color: #cccecf;
}

.container {
  width: 1200px;
  margin: 0 auto;
}

.flex {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.fl {
  float: left !important;
}
.fr {
  float: right !important;
}
.clearfix::after {
  content: '';
  display: block;
  clear: both;
}

.mt18 {
  margin-top: 18px;
}

.mr18 {
  margin-right: 18px;
}

.mb18 {
  margin-bottom: 18px;
}

.ml18 {
  margin-left: 18px;
}

.banner {
  position: relative;
  width: 100%;
  min-width: 1200px;
  height: 530px;
  overflow: hidden;

  img {
    position: absolute;
    left: 50%;
    top: 50%;
    transform: translate(-50%, -50%);
  }
}

// 导航菜单
.header {
  position: sticky;
  width: 100%;
  left: 0;
  top: 0;
  z-index: 99;
  background-color: #fff;
  .logo {
    h1 {
      font-size: 0;
    }
    img {
      display: block;
      height: 42px;
    }
  }

  .nav {
    & > li {
      float: left;
      position: relative;
      margin-right: 56px;

      &:last-child {
        margin-right: 0;
      }

      &:hover {
        & > a {
          color: #0688d2;
        }

        &::after {
          display: block;
        }

        .menu {
          display: block;
        }
      }

      & > a {
        display: block;
        line-height: 68px;
      }

      &::after {
        content: '';
        position: absolute;
        display: none;
        width: 32px;
        height: 3px;
        background: #0688d2;
        left: 50%;
        bottom: 0;
        transform: translateX(-50%);
      }

      &.active {
        & > a {
          color: #0688d2;
        }

        &::after {
          display: block;
        }
      }
    }

    .menu {
      display: none;
      position: absolute;
      background: #fff;
      border: 1px solid #f8f8f8;
      min-width: 128px;
      left: 50%;
      top: 68px;
      transform: translateX(-50%);
      & > li {
        &:hover {
          background: #0688d2;

          & > a {
            color: #fff;
          }
          
          .submenu {
            display: block;
          }
        }

        & > a {
          display: block;
          font-size: 14px;
          text-align: center;
          line-height: 50px;
        }

        &.dropdown > a {
          background: url(/img/icon-arrow-right.png) no-repeat;
          background-position: 88% center;
          background-size: 16px;
        }
      }

      .submenu {
        display: none;
        position: absolute;
        top: 0;
        right: 0;
        background: #fff;
        width: 306px;
        min-height: 200px;
        border: 1px solid #f8f8f8;
        border-left-color: #e8e8e8;
        transform: translateX(100%) translateX(-1px);
        box-sizing: border-box;
        padding: 16px 24px;
        & > li {
          float: left;
          margin: 16px 16px 0 0;

          &:nth-child(2n) {
            margin-right: 0;
          }

          &:nth-child(-n + 2) {
            margin-top: 0;
          }

          & > a {
            display: block;
            font-size: 14px;
            width: 120px;
            text-align: center;
            line-height: 32px;
            background: #f7f7f7;

            &:hover {
              background: #eff9ff;
              color: #0688d2;
            }
          }
        }
      }
    }
  }
}

// 底部区域
.footer {
  margin-top: 120px;
  padding-top: 38px;
  padding-bottom: 24px;
  background: #1b1b1b;

  .container {
    .section {
      margin-right: 180px;
      .item {
        position: relative;
        color: rgba(255, 255, 255, 0.5);
        margin-top: 20px;
        padding-left: 30px;
        font-size: 12px;

        &::before {
          content: '';
          display: block;
          width: 20px;
          height: 20px;
          background-color: #fff;
          position: absolute;
          left: 0;
          top: 50%;
          transform: translateY(-50%);
        }

        &.mobile {
          span {
            &:last-child {
              margin-left: 16px;
            }
          }
        }
      }
    }

    .nav {
      margin-left: 110px;
      li {
        margin-top: 25px;
        text-align: center;
        &:first-child {
          margin-top: 12px;
        }
        a {
          font-size: 14px;
          color: rgba(255, 255, 255, 0.5);

          &:hover {
            color: #0688d2;
          }
        }
      }
    }

    .qrcode {
      padding: 7px;
      background: rgba(255, 255, 255, 0.06);
      img {
        display: block;
        width: 94px;
        height: 94px;
        background-color: #fff;
      }
      .tip {
        font-size: 12px;
        color: #ffffff;
        margin-top: 5px;
        text-align: center;
      }
    }
  }

  .line {
    width: 100%;
    height: 1px;
    background-color: rgba(255, 255, 255, 0.3);
    margin: 32px 0 24px;
  }

  .link {
    display: flex;
    justify-content: center;
    align-items: center;
    i {
      display: block;
      height: 10px;
      width: 1px;
      background-color: rgba(255, 255, 255, 0.4);
      margin: 0 16px;
    }
    a {
      color: rgba(255, 255, 255, 0.4);
      font-size: 12px;
      &:hover {
        color: #0688d2;
      }
    }
  }

  .copyright {
    margin-top: 20px;
    text-align: center;
    color: rgba(255, 255, 255, 0.4);
    font-size: 12px;
    a {
      color: rgba(255, 255, 255, 0.8);
      text-decoration: underline;
    }
    * {
      margin: 0 24px;
    }
  }
}