.content .top {
  position: fixed;
  width: 100%;
  height: 80px;
  background: #2562E2;
}

.content .top .top_main {
  margin: auto;
  width: 1200px;
  height: 100%;
  display: -webkit-box;
  display: -ms-flexbox;
  display: flex;
  -webkit-box-align: center;
      -ms-flex-align: center;
          align-items: center;
  -webkit-box-pack: justify;
      -ms-flex-pack: justify;
          justify-content: space-between;
}

.content .top .top_main .left .title {
  font-size: 24px;
  color: #fff;
  font-weight: bold;
  display: -webkit-box;
  display: -ms-flexbox;
  display: flex;
  -webkit-box-align: center;
      -ms-flex-align: center;
          align-items: center;
}

.content .top .top_main .left .title span {
  margin-right: 10px;
  display: block;
  width: 30px;
  height: 36px;
  background: url("../images/logo.png");
}

.content .top .top_main .right a {
  margin-right: 21px;
  padding-left: 79px;
  display: block;
  width: 206px;
  height: 48px;
  background: url("../images/button1.png");
  font-size: 20px;
  color: #4080FF;
  line-height: 47px;
  cursor: pointer;
}

.content .main {
  margin: auto;
  width: 1200px;
}

.content .main .version_info {
  padding-top: 164px;
  display: -webkit-box;
  display: -ms-flexbox;
  display: flex;
}

.content .main .version_info .bg1 {
  width: 538px;
  height: 377px;
  background: url("../images/bg1.png");
}

.content .main .version_info .info {
  margin-left: 103px;
}

.content .main .version_info .info h1 {
  font-size: 40px;
  font-weight: bold;
}

.content .main .version_info .info p {
  margin-top: 20px;
  font-size: 26px;
}

.content .main .version_info .info a {
  margin-top: 43px;
  padding-left: 120px;
  display: block;
  width: 296px;
  height: 60px;
  background: url("../images/btnA.png");
  font-size: 22px;
  color: #fff;
  line-height: 59px;
}

.content .main .version_info .info a:hover {
  background-position-x: -296px;
}

.content .main .version_info .info .in_info {
  margin-top: 64px;
  color: #666;
  font-size: 20px;
  display: -webkit-box;
  display: -ms-flexbox;
  display: flex;
}

.content .main .version_info .info .in_info .update {
  margin-left: 36px;
}

.content .main .title {
  height: 26px;
  color: #333;
  font-size: 24px;
  font-weight: bold;
  display: -webkit-box;
  display: -ms-flexbox;
  display: flex;
  -webkit-box-align: center;
      -ms-flex-align: center;
          align-items: center;
  -webkit-box-pack: center;
      -ms-flex-pack: center;
          justify-content: center;
}

.content .main .title span {
  margin-right: 5px;
  display: inline-block;
  width: 25px;
  height: 26px;
  background: url("../images/xing.png");
}

.content .main .mid_main {
  padding-top: 99px;
}

.content .main .mid_main .title span {
  background: url("../images/xing.png");
}

.content .main .mid_main .list {
  margin-top: 37px;
  width: 1200px;
  height: 200px;
  background: url("../images/list.png");
}

.content .main .help_you {
  padding-top: 76px;
}

.content .main .help_you .title span {
  background: url("../images/zan.png");
}

.content .main .help_you ul {
  margin-top: 74px;
  padding-bottom: 113px;
  display: -webkit-box;
  display: -ms-flexbox;
  display: flex;
  -webkit-box-pack: center;
      -ms-flex-pack: center;
          justify-content: center;
}

.content .main .help_you ul li {
  width: 260px;
  height: 360px;
  background: url("../images/item1.png");
  cursor: pointer;
  border-radius: 10px;
}

.content .main .help_you ul li:hover {
  -webkit-box-shadow: 0px 8px 22px 1px rgba(0, 61, 219, 0.24);
          box-shadow: 0px 8px 22px 1px rgba(0, 61, 219, 0.24);
}

.content .main .help_you ul li:hover .tip .tip_main {
  display: block;
}

.content .main .help_you ul li:nth-child(2) {
  margin: 0 157px;
  background: url("../images/item2.png");
}

.content .main .help_you ul li:nth-child(2) .tip {
  width: 124px;
  background: url("../images/listbg2.png");
}

.content .main .help_you ul li:nth-child(3) {
  background: url("../images/item3.png");
}

.content .main .help_you ul li:nth-child(3) .tip {
  width: 124px;
  background: url("../images/listbg3.png");
}

.content .main .help_you ul li .btn {
  margin: auto;
  margin-top: 252px;
  width: 170px;
  height: 38px;
  font-size: 14px;
  color: #fff;
  background: #4080FF;
  border-radius: 4px;
  text-align: center;
  line-height: 38px;
  cursor: pointer;
}

.content .main .help_you ul li .btn:hover {
  background: #5890ff;
}

.content .main .help_you ul li .tip {
  margin: auto;
  margin-top: 35px;
  position: relative;
  width: 110px;
  height: 15px;
  background: url("../images/listbg1.png");
}

.content .main .help_you ul li .tip .tip_main {
  display: none;
  position: absolute;
  top: 35px;
  left: -91px;
}

.content .main .help_you ul li .tip .tip_main p {
  width: 320px;
  padding: 10px;
  background: #fff;
  -webkit-box-shadow: 0px 0px 6px 1px rgba(0, 0, 0, 0.2);
          box-shadow: 0px 0px 6px 1px rgba(0, 0, 0, 0.2);
  border: 1px solid #E5E5E5;
  border-radius: 14px;
  font-size: 16px;
}

.content .main .help_you ul li .tip .tip_main span {
  position: absolute;
  top: -10px;
  left: 89px;
  display: block;
  width: 20px;
  height: 20px;
  border: 1px solid #E5E5E5;
  border-right: transparent;
  border-bottom: transparent;
  background: #fff;
  -webkit-transform: skewX(26deg) skewY(-35deg) rotate(80deg);
          transform: skewX(26deg) skewY(-35deg) rotate(80deg);
}

.content footer {
  height: 78px;
  background: #ECECEC;
}

.content footer ul {
  margin: auto;
  width: 1200px;
  height: 100%;
  display: -webkit-box;
  display: -ms-flexbox;
  display: flex;
  -webkit-box-align: center;
      -ms-flex-align: center;
          align-items: center;
  -webkit-box-pack: justify;
      -ms-flex-pack: justify;
          justify-content: space-between;
}

.content footer ul li {
  font-size: 14px;
  color: #333;
}