* {
  padding: 0px;
  margin: 0px;
  box-sizing: border-box;
  font-family: 微软雅黑;
}

ul,
li {
  list-style: none;
}

a:link,
a:visited,
a:visited,
a:hover,
a:active {
  text-decoration: none;
  color: inherit;
}

input,
select,
option,
textarea {
  outline: none;
  resize: none;
  -webkit-appearance: none;
}

.clr::after {
  content: '';
  display: block;
  clear: both;
}

.fl {
  float: left;
}

.fr {
  float: right;
}

.w1200 {
  width: 1200px;
  margin-left: auto;
  margin-right: auto;
}

@media (max-width: 1250px) {
  .w1200 {
    width: 970px;
  }
}

@media (max-width: 992px) {
  .w1200 {
    width: 750px;
  }
}

@media (max-width: 768px) {
  .w1200 {
    width: 92%;
  }
}

body {
  background-image: url(../img/Bg.png);
  background-repeat: no-repeat;
  background-size: cover;
  padding-bottom: 165px;
}

.mt20 {
  margin-top: 20px;
}

.padding {
  padding: 20px 30px 20px 20px;
  background: #fff;
}

/* ******************************* */
/* ******************************* */
.header {
  background: url("../img/header_bg.png") no-repeat;
  background-position: center;
  background-size: cover;
}

.header .w1200 {
  height: 175px;
  position: relative;
}

.header .w1200 .nav_btn {
  display: none;
  width: 35px;
  height: 35px;
  background: url(../img/nav_icon.png) no-repeat;
  background-size: cover;
  position: absolute;
  right: 15%;
  top: 65%;
}

.header .w1200 .logo {
  position: absolute;
  left: 0;
  top: 50%;
  transform: translateY(-50%);
}

.header .w1200 .header_right {
  position: absolute;
  right: 0;
  top: 50%;
  transform: translateY(-50%);
  width: 235px;
}

.header .w1200 .header_right .link {
  float: right;
  font-size: 14px;
  line-height: 30px;
  color: #ffffff;
  text-align: right;
}

.header .w1200 .header_right .search {
  float: right;
  margin-left: 20px;
  width: 100%;
}

.header .w1200 .header_right .search .search_val {
  float: left;
  width: calc(100% - 60px);
  height: 35px;
  line-height: 35px;
  border: none;
  background: rgba(0, 0, 0, 0.3);
  color: #fff;
  padding-left: 15px;
}

.header .w1200 .header_right .search .search_val::-webkit-input-placeholder {
  color: #fff;
}

.header .w1200 .header_right .search .search_val::-moz-input-placeholder {
  color: #fff;
}

.header .w1200 .header_right .search .search_val::-ms-input-placeholder {
  color: #fff;
}

.header .w1200 .header_right .search .submit {
  float: left;
  background-color: rgba(0, 0, 0, 0.3);
  background-image: url(../img/search.png);
  background-repeat: no-repeat;
  background-position: center;
  height: 35px;
  width: 60px;
  border: none;
  position: relative;
}

/* ******************************* */
/* ******************************* */
.nav {
  background-color: #3b3b3b;
}

.nav .wp_nav {
  width: 1200px;
  margin: 0 auto;
}

.nav .wp_nav>.nav-item {
  float: left;
  width: calc(100% / 10);
  height: 40px;
  position: relative;
}

.nav .wp_nav>.nav-item>a {
  display: block;
  height: 40px;
  line-height: 40px;
  text-align: center;
  font-size: 14px;
  color: #fff;
}

.nav .wp_nav>.nav-item>.sub-nav {
    width: 125%;
    background: #c11919;
    position: absolute;
    top: 40px;
    box-shadow: 0px 0px 8px 1px rgba(50, 50, 50, 0.14);
    opacity: 0;
    z-index: 99;
    border: none;
}

.nav .wp_nav>.nav-item>.sub-nav>.nav-item {
  position: relative;
}

.nav .wp_nav>.nav-item>.sub-nav>.nav-item a {
    display: block;
    height: 0px;
    overflow: hidden;
    line-height: 40px;
    font-size: 14px;
    color: #fff;
    text-align: center;
    transition: height 0.3s;
    border-top: none;
    min-width: auto;
}
.wp_nav .sub-nav .nav-item a.parent:hover {
    background: transparent;
    color: #000;
}

@media (max-width: 1250px) {
  .nav .wp_nav {
    width: 970px;
  }
}

@media (max-width: 992px) {
  .nav .wp_nav {
    width: 100%;
  }
}

@media (min-width: 768px) {
  .wp_nav>.nav-item:hover>a {
    color: #ffd200;
    font-weight: bold;
  }

  .wp_nav>.nav-item:hover>.sub-nav {
    opacity: 1;
  }

  .wp_nav>.nav-item:hover>.sub-nav>.nav-item>a {
    height: 40px;
  }

  .wp_nav>.nav-item>.sub-nav>.nav-item:hover>a {
    color: #ffd200;
  }
}

@media (max-width: 992px) {
  .ml21 {
    margin-left: 0;
    margin-top: 20px;
  }

  .w33 {
    width: 100%;
  }

  body {
    background-image: url(../img/Bg2.png);
  }

  .header .w1200 {
    height: 20vw;
  }

  .header .w1200 .logo {
    left: 50%;
    top: 20%;
    transform: translateX(-50%);
  }

  .header .w1200 .header_right {
    right: 50%;
    top: 65%;
    transform: translateX(50%);
    width: 50vw;
  }

  .header .w1200 .header_right .link {
    display: none;
  }
}

@media (max-width: 768px) {
  body {
    background-image: url(../img/Bg3.png);
  }

  .header .w1200 {
    height: 25vw;
  }

  .header .w1200 .logo {
    width: 70vw;
  }

  .header .w1200 .nav_btn {
    display: block;
  }

  .nav {
    position: absolute;
    z-index: 9999;
    width: 100vw;
    right: 0;
  }

  .nav .wp_nav>.nav-item {
    width: 100%;
    float: initial;
    height: auto;
    position: relative;
  }

  .nav .wp_nav>.nav-item>.sub-nav {
    width: 100%;
    position: initial;
    opacity: 1;
  }

  .nav .wp_nav>.nav-item>.sub-nav>.nav-item a {
    height: 40px;
  }
}

@media (max-width: 425px) {
  .header .w1200 {
    height: 30vw;
  }

  .header .w1200 .logo {
    width: 92vw;
  }

  .header .w1200 .header_right {
    top: 60%;
  }

  .header .w1200 .nav_btn {
    top: 60%;
    right: 10%;
  }
}