* {
  padding: 0;
  margin: 0;
}

body {
  font-family: Source Han Sans CN, Microsoft YaHei, PingFang SC, Arial,
    Helvetica, Helvetica Neue;
}

a {
  text-decoration: none;
}

li {
  list-style-type: none;
}

input:focus,
textarea:focus,
select:focus {
  outline: none;
}

em {
  font-style: inherit;
}

@font-face {
  font-family: DIN Alternate-Bold;
  src: url("../js/font/DIN-Medium.otf");
}
.not_found_panel{
  background: #f9f9f9;
}

.not_found_head .nav {
  background: #fff;
}

.not_found_head .nav_top > .nav_logo {
  background-image: url("../assets/logo.png");
}

.not_found_head .nav_top > .nav_right > ul > li {
  color: #333;
}
.four_page {
  max-width: 1000px;
  margin: 0 auto;
  /* padding: 100px 0; */
  display: flex;
  align-items: center;
  height: calc(100vh - 328px);
}
.four_page .part {
    width: 50%;
}
.four_page .part.part1 {
  background: url("../assets/image/error/404.png") 100% 50% no-repeat;
  height: 106px;
  background-size: contain;
  margin-top: 34px;
}
.four_page .part.part2 {
  font-weight: bold;
  line-height: 1.2;
}
.four_page span {
  font-size: 36px;
}

.four_page .btns {
  padding-top: 50px;
  display: flex;
  align-items: center;
}
.four_page .btns .btn {
  width: 150px;
  height: 56px;
  border: 2px solid #cb1720;
  color: #cb1720;
  text-align: center;
  line-height: 52px;
  font-size: 14px;
  font-weight: bold;
  box-sizing: border-box;
  cursor: pointer;
}
.four_page .btns .btn::after {
  display: inline-block;
  content: '';
  width: 8px;
  height: 12px;
  background-image: url("../assets/image/error/more_right.png");
  background-repeat: no-repeat;
  background-size: auto 100%;
  position: relative;
  top: 2px;
  margin-left: 5px;
  background-position: 50% 0;
}

.four_page .btn+.btn {
  margin-left: 15px;
}



/* 媒体查询  移动端 */
@media screen and (max-width: 1081px) {
  .four_page {
    display: block;
    padding: 100px 0;
    height: auto;
  }  
  .four_page .part {
    width: 100%;
  }

  .four_page .part.part1 {
    background: url("../assets/image/error/404.png") 50% 50% no-repeat;
    height: 106px;
    background-size: contain;
    margin-bottom: 34px;
    margin-top: 0;
  }

  .four_page .part.part2 {
    text-align: center;
    font-weight: bold;
    font-size: 14px;
  }  
  .four_page .part.part2 span {
    font-size: 24px;
  }

  .four_page .part.part2 .btns {
    justify-content: center;
    padding-top: 20px;
  }
  .four_page .part.part2 .btns  .btn {
    width: 40%;
    max-width: 240px;
    height: 40px;
    line-height: 36px;
  }
    
}