.header {
  height: 114px;
  line-height: 114px;
  position: fixed;
  z-index: 1000;
  top: 0;
  left: 0;
  width: 100%;
  border-bottom: solid 1px rgba(255, 255, 255, 0.2);
  align-items: center;
}
.header .navimg {
  display: none;
  margin-right: 1vw;
  width: 60px;
  padding: 10px;
}
.header .logo {
  width: 136px;
  height: 63px;
  margin-left: 12.292vw;
}
.header .menu ul {
  margin-bottom: 0px;
  text-align: right;
  margin-right: 12.344vw;
}
.header .menu ul li {
  display: inline-block;
  margin-left: 4.948vw;
  color: white;
  height: 100%;
}
.header .menu ul li a {
  font-size: 18px;
  color: white;
  text-decoration: none;
}
.header .menu ul li a:hover {
  color: #bcff5f;
}
.header .menu ul li:first-child {
  margin-left: 0;
}
.header .menu .bottom-line {
  background-color: #bcff5f;
  height: 2px;
  width: 100px;
}
@keyframes fadeInFromBottom {
  0% {
    opacity: 0;
    transform: translateY(50%);
  }
  100% {
    opacity: 1;
    transform: translateY(0);
  }
}
.navdiv {
  display: none;
  position: fixed;
  width: 100%;
  z-index: 1000;
}
.navdiv .navdiv-header {
  height: 114px;
  background-color: rgba(0, 0, 0, 0.5);
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.navdiv .navdiv-header .closeimg {
  margin-right: 1vw;
  width: 60px;
  padding: 20px;
}
.navdiv ul {
  padding: 0;
  margin: 0;
  width: 100%;
}
.navdiv ul li {
  width: 100%;
  background-color: rgba(0, 0, 0, 0.5);
  border-bottom: solid 1px rgba(255, 255, 255, 0.2);
}
.navdiv ul li .nav-text {
  display: inline-block;
  width: 100vw;
  height: 40px;
  line-height: 40px;
  text-align: right;
  padding: 0 50px;
  text-decoration: none;
  color: white;
}
.navdiv ul .a-in1 {
  animation: fadeInFromBottom 0.3s ease-out forwards;
}
.navdiv ul .a-in2 {
  animation: fadeInFromBottom 0.5s ease-out forwards;
}
.navdiv ul .a-in3 {
  animation: fadeInFromBottom 0.7s ease-out forwards;
}
.navdiv ul .a-in4 {
  animation: fadeInFromBottom 0.9s ease-out forwards;
}
/*通用布局*/
.flex-row {
  display: flex;
  flex-direction: row;
}
.flex-column {
  display: flex;
  flex-direction: column;
}
.align-items-center {
  align-items: center;
}
.justify-content-center {
  justify-content: center;
}
.justify-content-right {
  justify-content: end;
}
/*pennonintroduction布局 start*/
@font-face {
  font-family: AliMedium;
  src: url('../fonts/AlibabaPuHuiTi-2-75-SemiBold.ttf');
}
::-webkit-scrollbar {
  display: none;
  /* Chrome Safari */
}
body {
  background: #F5F8FF;
}
.topbg {
  width: 100vw;
}
.bg-img {
  width: 100vw;
}
.title {
  position: absolute;
  top: 26.5vw;
  left: 5.7vw;
  font-family: AliMedium;
  font-size: 4.44vw;
  font-weight: 600;
  letter-spacing: 0em;
  color: #FFFFFF;
}
.contentdiv {
  background-color: white;
  width: 94.44vw;
  margin-top: 20px;
}
.bottomtitle {
  display: inline-block;
  font-family: AliMedium;
  font-size: 14px;
  font-weight: normal;
  letter-spacing: 0em;
}
.left-content {
  padding: 4.58vw 5.57vw;
}
.right-content {
  width: 70%;
  padding: 4.58vw 0px;
  padding-right: 4.58vw;
}
.paddiv {
  width: 100%;
  padding-top: 20px;
  display: flex;
  flex-direction: column;
  align-items: center;
}
.historytitle {
  display: block;
  font-family: AliMedium;
  font-size: 36px;
  font-weight: 500;
  text-transform: capitalize;
  letter-spacing: 0em;
  color: #333333;
}
.buttomline {
  width: 60px;
  height: 0px;
  border: 2px solid #333333;
  margin-top: 20px;
}
.tabtitle {
  font-family: AliMedium;
  font-size: 16px;
  font-weight: 600;
  line-height: 26px;
  letter-spacing: 0em;
  color: #333333;
  margin: 20px 0px;
}
.tabcontent {
  font-family: AliMedium;
  font-size: 15px;
  font-weight: normal;
  line-height: 26px;
  letter-spacing: 0em;
  color: #555555;
  margin: 10px 0px;
}
.botlogo {
  width: 100px;
  height: 40px;
  position: absolute;
  left: 5.56vw;
  top: 4.86vw;
}
.bottitle {
  font-family: AliMedium;
  font-size: 18px;
  font-weight: bold;
  line-height: 30px;
  letter-spacing: 0em;
  color: #FFFFFF;
}
.botcontent {
  font-family: AliMedium;
  font-size: 15px;
  font-weight: 500;
  letter-spacing: 0em;
  color: rgba(255, 255, 255, 0.8);
}
.menudiv {
  width: 100vw;
  position: absolute;
  top: 0;
  left: 0;
  background-color: black;
  z-index: 100;
  display: none;
}
.bottomdiv {
  display: block;
  position: relative;
  width: 100vw;
  height: 25vw;
}
.pab {
  margin-left: 4.17vw;
}
.footer {
  background-color: #111;
  height: 66px;
  width: 100%;
  line-height: 66px;
  text-align: center;
}
.footer a {
  font-size: 14px;
  color: white;
  vertical-align: middle;
}
/* @响应 */
@media screen and (max-width: 1440px) {
  .navdiv {
    display: none;
  }
}
@media screen and (max-width: 1280px) {
  .navdiv .navdiv-header {
    height: 80px;
    background-color: rgba(0, 0, 0, 0.5);
  }
  .navdiv .navdiv-header .logo {
    width: 108.8px;
    height: 50.4px;
    margin-left: 12.292vw;
  }
  .header {
    height: 80px;
  }
  .header .logo {
    width: 108.8px;
    height: 50.4px;
    margin-left: 12.292vw;
  }
  .header .menu {
    display: none;
  }
  .header .navimg {
    display: inline-block;
    position: absolute;
    right: 1vw;
    width: 60px;
    padding: 10px;
  }
  .topbg .logodiv {
    position: absolute;
    left: 4.17vw;
    top: 35.55px;
    width: 88.89px;
    height: 35.55px;
  }
  .bottomdiv {
    display: none;
    position: relative;
    width: 100vw;
    height: 25vw;
  }
  .bgdiv .headerdiv {
    width: 100%;
    margin-top: 49px;
    margin-right: 70px;
    display: none;
  }
  .nav-menu {
    width: 60px;
    background: url(../images/nav.png) no-repeat center center / 80%;
    position: absolute;
    right: 20px;
    top: 20px;
    display: block;
    cursor: pointer;
  }
  .nav-menu-close {
    width: 40px;
    height: 40px;
    margin-top: 35.55px;
    margin-right: 20px;
    background: url(../images/close.png) no-repeat center center / 80%;
  }
  .right-content {
    width: 100%;
    padding: 4.58vw;
    padding-bottom: 0px;
  }
  .left-content {
    width: 100%;
    display: none;
  }
}
@media screen and (max-width: 1024px) {
  .header {
    height: 80px;
  }
  .header .logo {
    width: 108.8px;
    height: 50.4px;
    margin-left: 12.292vw;
  }
  .header .menu {
    display: none;
  }
  .topbg .logodiv {
    position: absolute;
    left: 4.17vw;
    top: 28.4px;
    width: 71.1px;
    height: 28.4px;
  }
  .nav-menu {
    width: 60px;
    height: 17px;
    src: url(../images/nav.png) no-repeat center center / 80%;
    position: absolute;
    right: 20px;
    top: 20px;
    display: block;
    cursor: pointer;
  }
  .nav-menu-close {
    width: 40px;
    height: 40px;
    margin-top: 28.4px;
    margin-right: 20px;
    background: url(../images/close.png) no-repeat center center / 80%;
  }
}
@media screen and (max-width: 768px) {
  .header {
    height: 50.7px;
  }
  .header .logo {
    width: 64px;
    height: 30px;
    margin-left: 12.292vw;
  }
  .navdiv .navdiv-header {
    height: 50.7px;
    background-color: rgba(0, 0, 0, 0.5);
  }
  .navdiv .navdiv-header .logo {
    width: 64px;
    height: 30px;
    margin-left: 12.292vw;
  }
  .topbg .logodiv {
    position: absolute;
    left: 4.17vw;
    top: 21.3px;
    width: 53.3px;
    height: 21.3px;
  }
  .nav-menu {
    width: 60px;
    height: 17px;
    src: url(../images/nav.png) no-repeat center center / 80%;
    position: absolute;
    right: 20px;
    top: 15px;
    display: block;
    cursor: pointer;
  }
  .nav-menu-close {
    width: 40px;
    height: 40px;
    margin-top: 21.3px;
    margin-right: 20px;
    background: url(../images/close.png) no-repeat center center / 80%;
  }
}
@media screen and (max-width: 640px) {
  .navdiv .navdiv-header {
    height: 50.7px;
    background-color: rgba(0, 0, 0, 0.5);
  }
  .navdiv .navdiv-header .logo {
    width: 64px;
    height: 30px;
    margin-left: 5vw;
  }
  .header {
    height: 50.7px;
  }
  .header .logo {
    width: 64px;
    height: 30px;
    margin-left: 5vw;
  }
  .topbg .logodiv {
    position: absolute;
    left: 4.17vw;
    top: 17.78px;
    width: 44.4px;
    height: 17.78px;
  }
  .nav-menu {
    width: 40px;
    height: 17px;
    src: url(../images/nav.png) no-repeat center center / 80%;
    position: absolute;
    right: 20px;
    top: 15px;
    display: block;
    cursor: pointer;
  }
  .nav-menu-close {
    width: 30px;
    height: 30px;
    margin-top: 10px;
    margin-right: 20px;
    background: url(../images/close.png) no-repeat center center / 80%;
  }
}