* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

ul li {
  list-style: none;
  -webkit-tap-highlight-color: rgba(0, 0, 0, 0);
}

p {
  margin: 0;
  padding: 0;
}

.fl {
  float: left;
}

.fr {
  float: right;
}

html,
body {
  height: 100%;
}

img {
  width: 100%;
  vertical-align: middle;
}

a {
  text-decoration: none;
}

.head {
  padding: 0.3rem 0.343rem;
  width: 100%;
  height: 1.54rem;
  position: fixed;
  left: 0;
  z-index: 100;
  text-align: center;
}

.head .head-logo {
  overflow: hidden;
}

.head .head-logo ul {
  width: 100%;
  overflow: hidden;
}

.head .head-logo ul li {
  width: 20.5%;
  margin-right: 2%;
}

.head .head-logo ul li:last-child {
  width: 7%;
  margin-right: 0;
  overflow: hidden;
}

.head .head-logo ul li:last-child img {
  width: 0.629rem;
}

.head .head-logo ul li img {
  width: 100%;
}

.head-list {
  padding: 0 0.343rem;
  background-color: #fff;
  display: none;
}

.head-list .list-show-btn {
  height: 0.629rem;
  margin: 0.685rem 0.286rem;
}

.head-list .list-show-btn img {
  width: 0.629rem;
  height: 0.629rem;
}

.head-list .list-selections {
  font-size: 0.429rem;
  letter-spacing: 0;
  line-height: 1.714rem;
}

.head-list .list-selections p {
  letter-spacing: 0;
  line-height: 1rem;
  color: #9b9b9b;
}

.head-list .list-selections p>a {
  color: #9b9b9b;
}

.head-list .list-selections>ul>li {
  padding-left: 0.428rem;
  height: 60px;
  border-bottom: 1px solid #979797;
  position: relative;
  overflow: hidden;
}

.head-list .list-selections ul li .toggle-box {
  position: relative;
  height: 60px;
  margin-left: 60px;
  z-index: 2;
}

.head-list .list-selections ul li .toggle {
  color: #4a4a4a;
  position: relative;
  left: -60px;
  top: 0;
}

.second-list {
  position: absolute;
  top: 1.429rem;
  left: 0.428rem;
  z-index: 2;
}

.head-list .list-selections ul li:hover {
  transition: all 0.2s ease-in-out;
}

.advertise-mask {
  width: 100%;
  height: 100%;
  background: rgba(0, 0, 0, 0.5);
  position: fixed;
  top: 0;
  left: 0;
  z-index: 999;
  display: none;
}

.advertise-mask .advertise-contain {
  width: 8.57rem;
  height: 6.57rem;
  background: #FFFFFF;
  border-radius: 0.23rem;
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  text-align: center;
  padding: 1.06rem 0.85rem 0.45rem;
  z-index: 1000;
}

.advertise-mask .advertise-contain .advertise-img {
  width: 1.429rem;
  height: 1.429rem;
  margin: 0 auto;
}

.advertise-mask .advertise-contain .advertise-name {
  font-size: 0.428rem;
  color: #222222;
  letter-spacing: 0.011rem;
  text-align: center;
  line-height: 0.6rem;
  margin: 0.27rem 0 0.59rem;
}

.advertise-mask .advertise-contain .download-btn {
  width: 100%;
  height: 1.285rem;
  line-height: 1.285rem;
  background: #4173FF;
  border-radius: 0.06rem;
  font-size: 0.428rem;
  letter-spacing: -0.005rem;
  text-align: center;
  margin-bottom: 0.37rem;
  cursor: pointer;
}

.advertise-mask .advertise-contain .download-btn a {
  display: inline-block;
  width: 100%;
  color: #FFFFFF;
}

.advertise-mask .advertise-contain .cancel-btn {
  width: 1.828rem;
  height: 0.485rem;
  margin: 0 auto;
  font-size: 0.343rem;
  color: #9B9B9B;
  letter-spacing: 0.008rem;
  text-align: center;
  line-height: 0.485rem;
  cursor: pointer;
}

.attention {
  padding-left: 0.429rem;
}

.attention>a {
  line-height: 1.714rem;
  color: #4a4a4a;
}

.attention .attention-img {
  width: 100%;
  height: 3.5rem;
}

.attention .attention-img>li:first-child {
  margin-right: 0.857rem;
}

.attention .attention-img li {
  position: relative;
  width: 3.029rem;
  height: 1.257rem;
}

.attention .attention-img li>img {
  width: 100%;
  position: relative;
  z-index: 2;
}

.attention .attention-img li div {
  width: 3.828rem;
  height: 2.714rem;
  overflow: hidden;
  position: absolute;
  top: -2.7rem;
  left: -0.55rem;
  opacity: 0;
}

.attention .attention-img li>img:hover+div {
  opacity: 1;
  top: -4.5rem;
  transition: all 0.2s ease-in-out;
  height: 4.714rem;
  z-index: 5;
}

.footer {
  background: #191919;
  width: 100%;
  padding: 0.54rem 1.28rem 1.14rem;
  color: #9b9b9b;
}

.footer .footer-download div:first-child:first-child {
  line-height: 1.71rem;
  font-size: 0.429rem;
}

.footer .footer-download div:nth-child(2) {
  margin: 0.17rem 0 0.6rem;
}

.footer .footer-download .download-list {
  text-align: center;
  height: 1.28rem;
  width: 100%;
  line-height: 1.28rem;
  border: 1px solid #979797;
  font-size: 0.343rem;
}

.footer .footer-download .download-list a {
  color: #9b9b9b;
}

.footer .footer-copyright {
  margin-top: 1.37rem;
  font-size: 0.286rem;
  text-align: center;
  letter-spacing: -0.12px;
}

.video-box {
  width: 100%;
  height: 100%;
}