/* 通用样式 */
.about_common_title,
.about_intro_title {
  display: inline;
  font-size: 36px;
  line-height: 1em;
  font-weight: 400;
  margin: 0;
  padding: 0;
}

.about_common_title {
  display: block;
  font-size: 28px;
  margin: 50px 0 0 0;
}

.text_point {
  width: 12px;
  height: 12px;
  display: inline-block;
  background-color: #F64;
  border-radius: 100%;
  margin: 0 0 0 8px;
  vertical-align: bottom;
}

.about_intro_p {
  font-size: 16px;
  line-height: 28px;
  text-align: left;
  margin-bottom: 1em;
}

.about_intro_p strong {
  color: #F64;
  font-weight: 700;
}

.text_white {
  color: #FFF;
}

.text_dark {
  color: #333;
}

.text_center {
  text-align: center;
}

/* 关于主图 */
.about_banner {
  width: 100%;
  height: 470px;
  display: flex;
  justify-content: center;
  align-items: center;
  background: #E8EAF7 url(../image/about-banner.jpg) no-repeat center center;
  background-size: cover;
}

.banner_content {
  display: block;
  text-align: center;
}

.banner_content h1 {
  font-size: 48px;
  color: #333;
  letter-spacing: 2px;
  text-align: center;
  line-height: 48px;
  font-weight: 400;
  margin: 0 0 10px 0;
  position: relative;
}

.banner_content h1::before,
.banner_content h1::after {
  content: '';
  display: block;
  position: absolute;
  width: 50px;
  height: 2px;
  background-color: #333;
  overflow: hidden;
  top: 50%;
  margin-top: -1px;
}

.banner_content h1::before {
  left: -70px;
}

.banner_content h1::after {
  right: -70px;
}

.banner_content h2 {
  font-size: 18px;
  color: #333333;
  letter-spacing: 6.5px;
  text-align: center;
  line-height: 21px;
  font-weight: 400;
  margin: 0;
}

/* 关于-导航 */
.about_nav_pc {
  width: 1170px;
  margin: 0 auto;
}

.about_nav {
  margin: 0;
  padding: 0;
  width: 100%;
  display: flex;
  justify-content: flex-start;
  align-items: center;
  flex-wrap: nowrap;
  border-radius: 0;
  padding: 0;
  background-color: #FFF;
  box-shadow: none;
}

.about_nav li {
  margin: 0 45px;
  padding: 0;
  flex: 1;
  display: block;
  width: 100%;
  height: 54px;
  text-align: center;
  list-style: none;
}

.about_nav li.current {
  box-shadow: 0 -2px 0 #F64 inset;
}

.about_nav li a {
  text-decoration: none;
  line-height: 54px;
  font-size: 16px;
  color: #333;
  -webkit-ransition: all ease-in-out .3s;
  transition: all ease-in-out .3s;
}

.about_nav li a:hover,
.about_nav li a:active,
.about_nav li.current a,
.about_nav li.current a:hover {
  color: #F64;
  text-decoration: none;
  -webkit-ransition: all ease-in-out .3s;
  transition: all ease-in-out .3s;
}

.about_nav_mobi {
  width: 100%;
  height: 44px;
  padding: 0 0 0 15px;
  font-size: 14px;
  color: #333;
  line-height: 44px;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.about_nav_mobi_trigger {
  position: relative;
  width: 44px;
  height: 44px;
  display: block;
  cursor: pointer;
}

.about_nav_mobi_trigger::before,
.about_nav_mobi_trigger::after {
  content: '';
  display: block;
  position: absolute;
  width: 10px;
  height: 1px;
  left: 50%;
  top: 50%;
  margin: -6px 0 0 -5px;
  background: #555;
  overflow: hidden;
  transform: translateX(-4px) translateY(6px) rotate(45deg);
  transition: all ease-in-out .3s;
}

.about_nav_mobi_trigger:hover::before,
.about_nav_mobi_trigger:hover::after {
  background: #f64;
}

.about_nav_mobi_trigger::after {
  margin: 6px 0 0 -6px;
  transform: translateX(4px) translateY(-6px) rotate(-45deg);
}

.about_nav_mobi_trigger.is_visible::before,
.about_nav_mobi_trigger.is_visible::after {
  transform: translateX(-4px) translateY(6px) rotate(-45deg);
  transition: all ease-in-out .3s;
}

.about_nav_mobi_trigger.is_visible::after {
  transform: translateX(4px) translateY(-6px) rotate(45deg);
}

/* 关于CDS首云 */
.about_info {
  padding: 150px 0 170px 0;
}

/* 主营业务 */
.about_business {
  position: relative;
  width: 100%;
  padding: 180px 0;
}

#about_business_video {
  position: absolute;
  left: 0;
  top: 0;
  width: 100%;
  height: 100%;
  z-index: 0;
  object-fit: cover;
}

.about_business_title {
  margin: 0 0 30px 0;
}

/* 全球节点 */
.about_wwn {
  padding: 100px 0;
}

.about_wwn_title {
  margin-bottom: 30px;
}

.about_wwn_map {
  margin: 10px auto 0 auto;
  display: block;
  width: 100%;
  height: auto;
}

/* 公司资质 */
.about_certification {
  width: 1250px;
  margin: 0 auto;
  padding: 0 0 50px 0;
  background: #fff url(../image/bookshelf.png) repeat-y top center;
  background-size: 100% auto;
  display: flex;
  justify-content: flex-start;
  align-items: flex-start;
  flex-wrap: wrap;
}

.about_certification li {
  list-style: none;
  margin: 0;
  padding: 0;
  height: 290px;
  flex: 25%;
}

.about_certification_photo {
  width: 170px;
  height: 170px;
  display: flex;
  align-items: flex-end;
  justify-content: center;
  margin: 50px auto 23px auto;
}

.about_certification_photo img {
  max-width: 100%;
  max-height: 100%;
  display: block;
  margin: auto auto 0 auto;
  box-shadow: 0 3px 6px 0 rgba(0, 0, 0, 0.10);
}

.about_certification_name {
  margin: 0 auto 0 auto;
  text-align: center;
  font-size: 12px;
  line-height: 1.5em;
  color: #333;
}

/* 公司荣誉 */
.about_reward {
  margin: 36px 0 100px 0;
  padding: 0;
  display: flex;
  justify-content: flex-start;
  align-items: flex-start;
  flex-wrap: wrap;
}

.about_reward li {
  position: relative;
  list-style: none;
  margin: 0;
  padding: 0;
  flex: 50%;
  font-size: 14px;
  color: #333;
  line-height: 36px;
}

/* 总公司地址 */
.about_contact_map {
  position: relative;
  margin-top: 20px;
  margin-bottom: 20px;
}

.about_contact_map_img {
  width: 100%;
  height: auto;
  display: block;
  border-radius: 2px;
}

.about_contact_corp_addr {
  width: 450px;
  padding: 30px;
  position: absolute;
  right: 115px;
  top: 100px;
  background-color: rgba(255, 255, 255, 0.8);
  border-bottom: none;
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
}

.about_contact_corp_addr .addr_name {
  font-size: 16px;
  color: #333;
  line-height: 28px;
  margin: 0 0 5px 0;
  padding: 0;
}

.about_contact_corp_addr .addr_txt {
  font-size: 13px;
  color: #333;
  line-height: 21px;
  margin: 0;
}

.about_contact_corp_addr .addr_txt a {
  color: #333;
  text-decoration: none;
  transition: color ease .3s;
}

.about_contact_corp_addr .addr_txt a:hover {
  color: #f64;
  text-decoration: none;
  transition: color ease .3s;
}

.about_contact_corp_addr .addr_divider {
  background: #EBEDF5;
  width: 100%;
  height: 1px;
  overflow: hidden;
  display: block;
  margin: 15px 0;
}

/* 分公司地址 */
.about_contact_branch {
  padding-top: 30px;
}

.about_contact_branch_title {
  font-size: 18px;
  color: #333;
  line-height: 28px;
  font-weight: 400;
  margin: 0;
  padding: 0;
}

.about_contact_branch_addr {
  display: flex;
  justify-content: flex-start;
  align-items: flex-start;
  flex-wrap: wrap;
  margin: 0;
  padding: 0 0 70px 0;
}

.about_contact_branch_addr li {
  list-style: none;
  margin: 20px 0 10px 0;
  padding: 0;
  flex: 33.3%;
  font-size: 12px;
  color: #333;
  line-height: 22px;
}

.about_contact_branch_addr li strong {
  display: block;
  font-weight: 700;
  font-size: 14px;
  line-height: 2em;
}

.about_contact_branch_addr li a {
  color: #333;
  text-decoration: underline;
  transition: color ease .3s;
}

.about_contact_branch_addr li a:hover {
  color: #f64;
  text-decoration: none;
  transition: color ease .3s;
}

.about_contact_qrcode {
  padding: 100px 0;
  margin: 0;
  border-top: 1px solid #EBEDF5;
  display: flex;
  justify-content: flex-start;
  align-items: flex-start;
  flex-wrap: nowrap;
}

.about_contact_qrcode li {
  list-style: none;
  flex: 50%;
  text-align: center;
  margin-bottom: 0;
}

.about_contact_qrcode li img {
  display: block;
  width: 120px;
  height: 120px;
  box-shadow: 0 5px 25px -10px rgba(0, 0, 0, 0.15);
  margin: 0 auto 10px auto;
}

/* 二级导航访问适配 */
@media screen and (max-width: 1199px) {

  /* 二级导航 */
  .about_nav_pc {
    width: 992px;
  }
}

/* 二级导航访问适配 */
@media screen and (max-width: 991px) {

  /* 二级导航 */
  .about_nav_pc {
    width: 100%;
    display: none;
  }
}

/* 小桌面访问适配 */
@media screen and (max-width: 1280px) {

  /* 总公司地址 */
  .about_contact_corp_addr {
    right: 75px;
    top: 60px;
  }

  /* 公司资质 */
  .about_certification {
    width: 960px;
  }

  .about_certification li {
    height: 223px;
  }

  .about_certification_photo {
    width: 120px;
    height: 120px;
    margin: 50px auto 15px auto;
  }
}

/* 平板访问适配 */
@media screen and (max-width: 991px) {

  /* 通用样式*/
  .about_common_title,
  .about_intro_title {
    font-size: 24px;
    margin: 50px 0 20px 0;
    display: block;
  }

  .about_intro_title {
    margin: 0 0 20px 0;
  }

  .text_point {
    width: 8px;
    height: 8px;
    margin: 0 0 0 8px;
    vertical-align: baseline;
  }

  .about_intro_p {
    font-size: 14px;
    line-height: 24px;
    text-align: center;
  }

  /* 关于-主图 */
  .about_banner {
    height: 360px;
  }

  .banner_content h1 {
    font-size: 36px;
    letter-spacing: 2px;
    line-height: 36px;
    margin: 0 0 5px 0;
  }

  .banner_content h1::before,
  .banner_content h1::after {
    width: 35px;
  }

  .banner_content h1::before {
    left: -50px;
  }

  .banner_content h1::after {
    right: -50px;
  }

  .banner_content h2 {
    font-size: 14px;
    letter-spacing: 4.5px;
    line-height: 18px;
  }

  /* 关于-导航 */
  .about_nav {
    align-items: flex-start;
    flex-wrap: wrap;
    background: #f8f8f8;
    border-radius: 2px;
    padding: 10px 0;
    box-shadow: 0 -5px 15px rgba(0, 0, 0, .08) inset;
  }

  .about_nav li {
    padding: 0 15px;
    margin: 0;
    flex: 100%;
    height: 44px;
    text-align: left;
  }

  .about_nav li.current {
    box-shadow: none;
  }

  .about_nav li a {
    line-height: 44px;
    font-size: 14px;
  }

  /* 关于CDS首云 */
  .about_info {
    padding: 100px 0 120px 0;
  }

  /* 主营业务 */
  .about_business {
    padding: 150px 0;
  }

  .about_business_title {
    margin: 0;
    text-align: center;
  }

  /* 全球节点 */
  .about_wwn_title {
    margin-bottom: 0;
  }

  /* 公司资质 */
  .about_certification {
    width: 100%;
    margin: 0;
    padding: 0;
    background: #fff url(../image/bookshelf.png) repeat-y center -90px;
    background-size: auto 290px;
    flex-wrap: nowrap;
    overflow-x: auto;
    overflow-y: hidden;
  }

  .about_certification li {
    flex: 0 1 120px;
    margin: 0 5px 30px 5px;
    height: auto;
  }

  .about_certification_photo {
    width: 100px;
    height: 100px;
    margin: 30px 25px 20px 25px;
  }

  .about_certification_photo img {
    max-width: 100%;
    max-height: 100%;
    display: block;
    margin: auto auto 0 auto;
    box-shadow: 0 3px 6px 0 rgba(0, 0, 0, 0.10);
  }

  /* 公司荣誉 */
  .about_reward {
    margin: 20px 0 100px 0;
    display: flex;
    justify-content: flex-start;
    align-items: flex-start;
    flex-wrap: wrap;
  }

  .about_reward li {
    margin: 0 0 1em 0;
    padding: 0 0 0 12px;
    flex: 0 1 100%;
    font-size: 12px;
    line-height: 18px;
  }

  .about_reward li::before {
    position: absolute;
    left: 0;
    top: 7px;
    content: '';
    width: 4px;
    height: 4px;
    display: block;
    background-color: #E8EAF7;
    overflow: hidden;
    border-radius: 1px;
  }

  /* 总公司地址 */
  .about_contact_map {
    margin-top: 0;
    margin-bottom: 0;
  }

  .about_contact_corp_addr {
    width: 100%;
    padding: 15px 0 40px 0;
    position: relative;
    right: 0;
    top: 0;
    background-color: transparent;
    border-bottom: 1px solid #EBEDF5;
  }

  /* 分公司地址 */
  .about_contact_branch {
    padding-top: 15px;
  }

  .about_contact_branch_addr {
    padding: 0 0 30px 0;
  }

  .about_contact_branch_title {
    font-size: 16px;
    line-height: 24px;
  }

  .about_contact_branch_addr li {
    list-style: none;
    margin: 20px 0 0 0;
    flex: 100%;
  }

  .about_contact_qrcode {
    padding: 50px 0 0 0;
    flex-wrap: wrap;
  }

  .about_contact_qrcode li {
    flex: 100%;
    margin-bottom: 50px;
  }
}

/* 手机访问适配 */
@media screen and (max-width: 767px) {

  /* 通用样式 */
  .about_common_title,
  .about_intro_title {
    font-size: 18px;
  }

  .about_intro_title {
    margin: 0 0 20px 0;
  }

  .text_point {
    width: 5px;
    height: 5px;
    margin: 0 0 0 5px;
    vertical-align: baseline;
  }

  .about_intro_p {
    font-size: 13px;
    line-height: 21px;
    text-align: center;
  }

  /* banner */
  .about_banner {
    height: 280px;
  }

  .banner_content h1 {
    font-size: 24px;
    letter-spacing: 2px;
    line-height: 24px;
    margin: 0 0 5px 0;
  }

  .banner_content h1::before,
  .banner_content h1::after {
    width: 25px;
    height: 1px;
    margin-top: -0.5px;
  }

  .banner_content h1::before {
    left: -35px;
  }

  .banner_content h1::after {
    right: -35px;
  }

  .banner_content h2 {
    font-size: 12px;
    letter-spacing: 2px;
    line-height: 18px;
  }
}