/* common
-------------------------------------------------- */
* {
  box-sizing: border-box;
}
html {
  width: 100%;
}
html,
body {
  font: 16px Helvetica, Tahoma, Arial, sans-serif;
  color: #434343;
  background-color: #fff;
}
body,p,pre,blockquote,
h1,h2,h3,h4,h5,h6,
dl,dt,dd,ul,ol,li,
form,fieldset,legend,select,
input,textarea,button,
table,caption,tr,th,td {
	margin:0;
	padding:0;
}
a {
  text-decoration: none;
}
a:hover{
	text-decoration:underline;
}
ul {
  list-style: none;
}

/* Swiper
-------------------------------------------------- */
.swiper-slide img {
  max-width: 100%;
}

/* padding
-------------------------------------------------- */
.pt-1 {
  padding-top: 10px !important;
}
.pt-2 {
  padding-top: 20px !important;
}
.pt-3 {
  padding-top: 30px !important;
}
.pt-4 {
  padding-top: 40px !important;
}
.pt-5 {
  padding-top: 50px !important;
}
.pt-6 {
  padding-top: 60px !important;
}
.pt-7 {
  padding-top: 70px !important;
}
.pt-8 {
  padding-top: 80px !important;
}
.pt-9 {
  padding-top: 90px !important;
}
.pt-10 {
  padding-top: 100px !important;
}
.pr-1 {
  padding-right: 10px !important;
}
.pr-2 {
  padding-right: 20px !important;
}
.pr-3 {
  padding-right: 30px !important;
}
.pr-4 {
  padding-right: 40px !important;
}
.pr-4-5 {
  padding-right: 45px !important;
}
.pr-5 {
  padding-right: 50px !important;
}
.pb-1 {
  padding-bottom: 10px !important;
}
.pb-2 {
  padding-bottom: 20px !important;
}
.pb-3 {
  padding-bottom: 30px !important;
}
.pb-4 {
  padding-bottom: 40px !important;
}
.pb-5 {
  padding-bottom: 50px !important;
}
.pb-6 {
  padding-bottom: 60px !important;
}
.pb-7 {
  padding-bottom: 70px !important;
}
.pb-8 {
  padding-bottom: 80px !important;
}
.pb-9 {
  padding-bottom: 90px !important;
}
.pb-10 {
  padding-bottom: 100px !important;
}
.pl-1 {
  padding-left: 10px !important;
}
.pl-2 {
  padding-left: 20px !important;
}
.pl-3 {
  padding-left: 30px !important;
}
.pl-4 {
  padding-left: 40px !important;
}
.pl-4-5 {
  padding-left: 45px !important;
}
.pl-5 {
  padding-left: 50px !important;
}
/* margin
-------------------------------------------------- */
.mt-1 {
  margin-top: 10px !important;
}
.mt-2 {
  margin-top: 20px !important;
}
.mt-3 {
  margin-top: 30px !important;
}
.mt-4 {
  margin-top: 40px !important;
}
.mt-5 {
  margin-top: 50px !important;
}
.mt-6 {
  margin-top: 60px !important;
}
.mt-7 {
  margin-top: 70px !important;
}
.mt-8 {
  margin-top: 80px !important;
}
.mt-9 {
  margin-top: 90px !important;
}
.mt-10 {
  margin-top: 100px !important;
}
.mt-11 {
  margin-top: 110px !important;
}
.mt-12 {
  margin-top: 120px !important;
}
.mt-13 {
  margin-top: 130px !important;
}
.mt-14 {
  margin-top: 140px !important;
}
.mt-15 {
  margin-top: 150px !important;
}
.mr-1 {
  margin-right: 10px !important;
}
.mr-2 {
  margin-right: 20px !important;
}
.mr-3 {
  margin-right: 30px !important;
}
.mr-4 {
  margin-right: 40px !important;
}
.mr-5 {
  margin-right: 50px !important;
}
.mb-1 {
  margin-bottom: 10px !important;
}
.mb-2 {
  margin-bottom: 20px !important;
}
.mb-3 {
  margin-bottom: 30px !important;
}
.mb-4 {
  margin-bottom: 40px !important;
}
.mb-5 {
  margin-bottom: 50px !important;
}
.ml-1 {
  margin-left: 10px !important;
}
.ml-2 {
  margin-left: 20px !important;
}
.ml-3 {
  margin-left: 30px !important;
}
.ml-4 {
  margin-left: 40px !important;
}
.ml-5 {
  margin-left: 50px !important;
}

/* flex
-------------------------------------------------- */
.flex-row {
  display: flex;
  display: -webkit-flex;
}
.flex-column {
  display: flex;
  display: -webkit-flex;
  flex-direction: column;
}
.flex-wrap {
  flex-wrap: wrap;
}
.flex-flex-start {
  justify-content: flex-start;
}
.flex-flex-end {
  justify-content: flex-end;
}
.flex-center {
  justify-content: center;
}
.flex-space-between {
  justify-content: space-between;
}
.flex-space-around {
  justify-content: space-around;
}
.flex-align-items-start {
  align-items: start;
}
.flex-align-items-end {
  align-items: end;
}
.flex-align-items-center {
  align-items: center;
}
.flex-align-items-stretch {
  align-items: stretch;
}
.flex-align-items-baseline {
  align-items: baseline ;
}
/* left1
-------------------------------------------------- */
/* left1-right1
-------------------------------------------------- */

/* left1-right3
-------------------------------------------------- */
.left1-right3 {
  display: flex;
  display: -webkit-flex;
}


/* 图片自适应
-------------------------------------------------- */
.imgBox {
  display: flex;
  display: -webkit-flex;
  justify-content: center;
  align-items: center;
  overflow: hidden;
}
.imgBox > img {
  width: 100%;
  max-width: 100%;
  height:auto;
}
.imgBox > .imgH { 
  width: auto;
  max-height: 100%;
}
.imgBox + span {
  margin-top: 16px;
}


/* Sections
-------------------------------------------------- */
p {
  color: #535353;
  line-height: 1.8;
}

.wordsList ul {
  line-height: 2;
  font-size: 20px;
  list-style-type: disc;
}

/* dropdown
-------------------------------------------------- */
/* 单列dropdown */
.dropdown_nav .dropdown_box {
  display: none;
  position: absolute;
  z-index: 1000;
  margin-top: .125rem;
  border: 1px solid rgba(0,0,0,.15);
  background-color: rgba(255,255,255,.8);
}
.dropdown_nav:hover .dropdown_box {
  display: block;  
}
.dropdown_nav .dropdown_box .dropdown_item {
  display: block;
  height: 32px;
  line-height: 32px;
  padding: .25rem 1.5rem;
  font-size: 80%;
  text-align: center;
  white-space: nowrap;
}

/* 多列dropdown */
.dropdown_nav .dropdown_box_cols {
  display: none;
  justify-content: space-between;
  position: absolute;
  z-index: 1000;
  margin-top: .5rem;
  border: 1px solid rgba(0,0,0,.15);
  background-color: rgba(255,255,255,.8);
  padding: 10px 50px;
  text-align: center;
}
.dropdown_nav:hover .dropdown_box_cols {
  display: flex;
  display: -webkit-flex;
}
.dropdown_nav .dropdown_box_cols .dropdown_col .dropdown_col_title {
  padding: 0 12px 6px;
  border-bottom: 1px solid #535353;
}
.dropdown_nav .dropdown_box_cols .dropdown_col .dropdown_col_item {
  display: block;
  width: 100%;
  height: 32px;
  line-height: 32px;
  padding: .25rem 12px;
  font-size: 80%;
  text-align: center;
  white-space: nowrap;
}
.dropdown_nav .dropdown_box_cols .dropdown_col:first-of-type {
  margin-left: 0;
}
.dropdown_nav .dropdown_box_cols .dropdown_col {
  margin-left: 50px;
}

/* 证书
-------------------------------------------------- */
.patentBox {
  display: flex;
  display: -webkit-flex;
  flex-wrap: wrap;
  width: 100%;
}
.patentItem .imgBox img {
  width: auto;
  max-height: 100%;
}
.patentItem .imgBox + span {
  margin-top: 10px;
  font-size: 14px;
}

/* 搜索结果
-------------------------------------------------- */
.list a {
  display: block;
  line-height: 59px;
  border-bottom: 1px dashed #b5b5b5;
  font-size: 14px;
  color: #666;
  text-decoration: none;
  letter-spacing: 1px;
}


/* mobile */
/* header
-------------------------------------------------- */
@media screen and (max-width: 1200px) {
  .header .navbar-toggler .line {
    width: 30px;
    height: 2px;
    background-color: #fff;
    border-radius: 2px;
    -webkit-transition: 0.5s;
    transition: 0.5s;
  }

  .header .navbar-toggler .line2 {
    margin-top: 8px;
  }

  .header .navbar-toggler .line3 {
    margin-top: 8px;
  }

  .header .navbar-toggler.opened .line1 {
    width: 32px;
    -webkit-transform: rotate(45deg);
    transform: rotate(45deg);
    -webkit-transform-origin: top left;
    transform-origin: top left;
    opacity: 1;
  }

  .header .navbar-toggler.opened .line2 {
    opacity: 0;
  }

  .header .navbar-toggler.opened .line3 {
    width: 32px;
    margin-top: 10px;
    -webkit-transform: rotate(-45deg);
    transform: rotate(-45deg);
    -webkit-transform-origin: bottom left;
    transform-origin: bottom left;
    opacity: 1;
  }
}

@media screen and (max-width: 1200px) {
  .header .search {
    display: flex;
    display: -webkit-flex;
    justify-content: center;
    align-items: center;
    margin-left: 15%;
    width: 30px;
    height: 30px;
    -webkit-user-select: none;
    -moz-user-select: none;
    -ms-user-select: none;
    user-select: none;
    -webkit-transition: 0.5s;
    transition: 0.5s;
    cursor: pointer;
  }

  .header .search img {
    max-width: 100%;
    height: auto;
  }

  .header .search-box {
    display: none;
    position: absolute;
    left: 0;
    border-bottom: 1px solid #ddd;
    width: 100%;
    height: 58px;
    background: #fff;
    -webkit-transition: bottom 0.5s;
    transition: bottom 0.5s;
    z-index: 99999;
  }
  .header .search-box .search-content .search-img {
    width: 58px;
    height: 58px;
    display: inline-block;
    background-position: 50%;
    background-size: 25px 25px;
  }
  .header .search-box .search-content input {
    border: none;
    outline: none;
    width: 80%;
    height: 18px;
    line-height: 18px;
    margin: 20px 0;
    font-size: 14px;
    vertical-align: top;
  }
  .header .search-box .search-content input:focus {
    outline: none;
  }
  .header .search-box .search-content .btn {
    background-color: transparent;
  }

  .navbar {
    width: 100%;
    height: 64px;
    padding: 8px 0;
  }
  .navbar .navbar-brand {
    display: inline-flex;
    display: -webkit-inline-flex;
    justify-content: center;/*logo水平居中*/
    align-items: center;/*logo垂直居中*/
    padding: 0;
    width: 38%;
  }
  .navbar .navbar-brand img {
    height: auto;
    max-width: 100%;
  }
  .navbar-collapse {
    z-index: 999;
  }
  .navbar .nav-item {
    border-bottom: 1px solid #b8b8b8;
  }
  .navbar .nav-item .nav-link {
    padding: 12px 0;
  }
  .dropdown-menu {
    border: 0;
  }
  .dropdown-menu .navbar-nav .nav-item {
    margin-left: 35px;
    border-bottom: 0;
  }
}