/* css reset */
body,
h1,
h2,
h3,
h4,
h5,
h6,
p,
blockquote,
dl,
dt,
dd,
ul,
ol,
li,
pre,
code,
form,
fieldset,
legend,
button,
input,
textarea,
th,
td {
  margin: 0;
  padding: 0;
}

body,
button,
input,
select,
textarea {
  font: 12px/1.5 Tahoma, Arial, "SimSun";
  font-family: "Microsoft YaHei"
}

input,
select,
button,
textarea {
  font-size: 100%;
}

h1,
h2,
h3,
h4,
h5,
h6 {
  font-size: 100%;
  font-weight: normal;
}

em,
i {
  font-style: normal;
  font-weight: normal;
}

ol,
ul {
  list-style: none;
}

fieldset,
img {
  border: 0;
}

table {
  border-collapse: collapse;
  border-spacing: 0;
}

html,
body {
  width: 100%;
  height: 100%;
}

a {
  text-decoration: none;
}

a:hover {
  text-decoration: none;
}

.clear {
  clear: both;
}

.clearfix:after {
  content: "\200B";
  display: block;
  height: 0;
  clear: both;
}

.clearfix {
  *zoom: 1;
}

.left {
  float: left;
}

.right {
  float: right;
  margin-top: -7px;
}

.btn {
  display: inline-block;
  width: 279px;
  height: 99px;
  background: url(../image/首图按钮1.png) no-repeat;
}

.btn:hover {
  background: url(../image/首图按钮2.png) no-repeat;
}

.btn:active {
  background: url(../image/首图按钮3.png) no-repeat;
}

.header {
  width: 100%;
  min-width: 1200px;
  position: fixed;
  background-color: #DDF2FD;
  z-index: 1000;
}

.header .top {
  box-sizing: border-box;
  height: 69px;
    width: 1200px;
    margin: 0 auto;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.header #J_seoHeader {
    flex-grow: 1;
}

.header .miiyun_logo,
.header .ruanjian_logo {
    display: block;
    width: 96px;
    height: 38px;
    text-indent: -9999px;
    background-repeat: no-repeat;
    background-size: 96px 38px;
}
.header .miiyun_logo {background-image: url("/src_sem/images/miiyun_logo.png");}
.header .ruanjian_logo {background-image: url("/src_sem/images/ruanjian_logo.png");}

.header .head_pic {
  display: inline-block;
  width: 140px;
  height: 40px;
  background: url(../image/导航按钮1.png) no-repeat;
}

.header .head_pic:hover {
  background: url(../image/导航按钮2.png) no-repeat;
}

.header .head_pic:active {
  background: url(../image/导航按钮3.png) no-repeat;
}

.banner {
  width: 100%;
  min-width: 1200px;
  height: 1080px;
  color: #3D4756;
  background: url(../image/首图背景.png) no-repeat;
  background-size: 100% 100%;
  position: relative;
}

.banner .banner-box {
  width: 1200px;
  height: 100%;
  box-sizing: border-box;
  padding-top: 140px;
  margin: 0 auto;
  text-align: center;
}

.banner .banner-box p span {
  text-align: center;
  color: #288BDE;
  font-size: 13px;
  display: inline-block;
  height: 22px;
  line-height: 22px;
  padding: 0 10px;
  border-radius: 12px;
  border: 1px solid #288BDE;
  margin-right: 10px;
}

.banner .banner-box h1 {
  font-size: 70px;
  color: #333333;
}

.banner .banner-box p {
  font-size: 40px;
  color: #333333;
  margin-bottom: 35px;
}

.banner .banner-box .update-left span {
  font-size: 18px;
  color: #333333;
  margin-right: 30px;
}

.banner .banner-box .download {
  margin-top: 59px;
  margin-bottom: 20px;
}

.banner .banner-box .label img {
  margin-right: 30px;
  margin-left: 30px;
}

.banner .banner-box .drop_down {
  width: 50px;
  height: 50px;
  position: absolute;
  bottom: 52px;
}



.main {
  width: 100%;
  min-width: 1200px;
}

.main .content_center {
  width: 1200px;
  position: absolute;
  top: 0;
  right: 0;
  bottom: 0;
  left: 0;
  margin: auto;
}

.main .content_c {
  width: 100%;
  position: absolute;
  top: 0;
  right: 0;
  bottom: 0;
  left: 0;
  margin: auto;
}

.main .content_c h1 {
  font-size: 48px;
  color: #333333;
  font-weight: bold;
  letter-spacing: 6px;
}

.main .content_center h1 {
  font-size: 48px;
  color: #333333;
  font-weight: bold;
  letter-spacing: 6px;
}

.main .content_one {
  width: 100%;
  height: 1270px;
  background-color: #fff;
  position: relative;
  text-align: center;
}

.main .box_one {
  height: 1270px;
  margin-top: 77px;
}

.main .box_one h1 {
  margin-bottom: 93px;
}

.main .box_one .ex_total {
  margin-bottom: 80px;
}

.main .box_one .explain {
  display: inline-block;
  margin-left: 73px;
  margin-right: 73px;
}

.main .box_one .explain p {
  font-size: 20px;
  color: #333333;
}

.main .box_one .explain .ex_on {
  color: #15D37A;
  font-weight: bold;
}

.main .box_one .content_btn {
  display: inline-block;
  width: 279px;
  height: 99px;
  background: url(../image/首图按钮1.png) no-repeat;
}

.main .box_one .content_btn:hover {
  background: url(../image/首图按钮2.png) no-repeat;
}

.main .box_one .content_btn:active {
  background: url(../image/首图按钮3.png) no-repeat;
}

.main .content_two {
  width: 100%;
  height: 760px;
  background-color: #F0F8F2;
  position: relative;
  text-align: center;
}

.main .box_two {
  margin-top: 102px;
}

.main .box_two h1 {
  margin-bottom: 108px;
}

.main .box_two .content_pic {
  float: left;
  margin-left: 36px;
  margin-right: 93px;
  display: inline-block;
  width: 655px;
  height: 370px;
}

.main .box_two .text_two {
  display: inline-block;
}

.main .box_two .content_btn {
  display: inline-block;
  width: 279px;
  height: 99px;
  background: url(../image/btn_纯净下载1.png) no-repeat;
}

.main .box_two .content_btn:hover {
  background: url(../image/btn_纯净下载2.png) no-repeat;
}

.main .box_two .content_btn:active {
  background: url(../image/btn_纯净下载3.png) no-repeat;
}

.main .content_three {
  width: 100%;
  height: 670px;
  position: relative;
  text-align: center;
}

.main .box_three {
  margin-top: 161px;
}

.main .box_three .content_btn {
  display: inline-block;
  width: 279px;
  height: 99px;
  background: url(../image/btn_安全下载1.png) no-repeat;
}

.main .box_three .content_btn:hover {
  background: url(../image/btn_安全下载2.png) no-repeat;
}

.main .box_three .content_btn:active {
  background: url(../image/btn_安全下载3.png) no-repeat;
}

.main .box_three .content_pic {
  display: inline-block;
  width: 655px;
  height: 370px;
  margin-left: 112px;
}

.main .box_three .text_two {
  display: block;
}

.main .content_pic img {
  width: 100%;
  height: 100%;
}

.main .text_one {
  display: inline-block;
  font-size: 40px;
  color: #333333;
  font-weight: bold;
  padding-top: 32px;
  margin-bottom: 30px;
}

.main .text_two {
  width: 400px;
  font-size: 20px;
  color: #333333;
  margin-bottom: 70px;
}

.footer {
  width: 100%;
  min-width: 1200px;
  height: 672px;
  text-align: center;
  background-color: #366B4B;
}

.footer h1 {
  font-size: 48px;
  color: #fff;
  font-weight: bold;
  padding-top: 90px;
  margin-bottom: 90px;
}

.footer #J_seoFooter {
  margin-top: 120px;
}

.footer p {
  width: 56%;
  margin: 0 auto;
  font-size: 12px;
  color: #BFD2C7;
}

.alert-box {
  display: none;
  position: fixed;
  width: 100%;
  height: 100%;
  top: 0px;
  left: 0px;
  text-align: center;
  background-color: rgba(0, 0, 0, 0.3);
}

.alert-wrapper {
  width: 460px;
  height: 249px;
  margin: 0 auto;
  top: 50%;
  margin-top: -115px;
  position: relative;
  background-color: #fff;
  border-radius: 20px;
  z-index: 100;
  box-shadow: 1px 2px 3px #C7C6C6;
  color: #3d3d3d;
  font-size: 20px;
}

.alertTop {
  width: 100%;
  height: 60px;
  border-bottom: 1px solid #eee;
  font-size: 26px;
}

.alertTop .topTitle {
  float: left;
  padding-left: 20px;
  line-height: 60px;
}

.alertTop .topClose {
  float: right;
  padding: 10px 20px;
  font-size: 26px;
  cursor: pointer;
}

.alertTop .topClose:hover {
  color: #3F84F6;
}

.alertMain {
  padding-top: 20px;
}

.alertMain .title {
  text-align: left;
  padding-left: 25px;
  line-height: 28px;
}

.alertMain .little {
  font-size: 16px;
  text-align: left;
  color: #e9827d;
}

.alertMain .alert-btn a {
  width: 194px;
  height: 40px;
  line-height: 40px;
  border: 1px solid #eee;
  margin: 20px 0 0 23px;
  float: left;
}

.alertMain .alert-btn a:hover {
  background-color: #3F84F6;
  text-decoration: none;
  color: #fff;
  border: 1px solid #fff;
}

.alertMain .alert-btn .safeBtn {
  color: #0078fa;
  border: 1px solid #0078fa;
}

.header .search_box {
  background-color: #fff;
  position: relative;
  display: inline-block;
  width: 164px;
  height: 30px;
  border-radius: 15px;
  -webkit-border-radius: 15px;
  -moz-border-radius: 15px;
  -ms-border-radius: 15px;
  -o-border-radius: 15px;
  font-size: 12px;
  border: 1px solid #000;
  color: #333;
    margin-right: 20px;
}

.pull-right {
  float: right !important;
}

.pull-left {
  float: left !important;
}

.header .search_box .search_input {
  width: 132px;
  height: 30px;
  text-indent: 14px;
  border: none;
  overflow: hidden;
  outline: none;
  -webkit-border-radius: 15px;
  -moz-border-radius: 15px;
  -ms-border-radius: 15px;
  -o-border-radius: 15px;
  -moz-appearance: none;
  -webkit-appearance: none;
}

.header .search_box .search_submit {
  position: absolute;
  right: 10px;
  display: inline-block;
  width: 17px;
  height: 17px;
  margin-top: 6px;
  cursor: pointer;
  -webkit-appearance: none;
  outline: none;
  border: none;
  background: url(../image/icon_搜索.png) no-repeat center;
}

.gotop {
  width: 60px;
  height: 60px;
  position: fixed;
  z-index: 3;
  bottom: 50%;
  left: 90%;
  cursor: pointer;
  display: none;
}

.gotop a {
  display: inline-block;
  width: 60px;
  height: 60px;
  background: url(../image/返回顶部1.png) no-repeat;
}

.gotop a:hover {
  background: url(../image/返回顶部2.png) no-repeat;
}

.gotop a:active {
  background: url(../image/返回顶部3.png) no-repeat;
}

.site {
  overflow: hidden;
  width: 100%;
  height: 570px;
}

.wrapper {
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
}

.wrapper .container {
  position: relative;
  margin: 0 auto;
}

.horizontal .container {
  width: 44rem;
  height: 32rem;
}

.vertical .container {
  width: 37rem;
  height: 14rem;
}

.container .cards-list {
  position: absolute;
  left: 0;
  top: 0;
  overflow: hidden;
  background-color: #f4f4f4;
  border-radius: 0.3125rem;
  transition: 330ms;
}

.horizontal .cards-list {
  width: 100%;
}

.horizontal .img {
  height: 27rem;
}

.vertical .cards-list {
  display: flex;
  height: 100%;
}

.vertical .img,
.vertical .main-con {
  height: 100%;
}

.vertical .img {
  width: 18rem;
}

.vertical .main-con {
  width: 19rem;
}

.img>img {

  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
  -webkit-user-drag: none;
  -moz-user-select: none;
  user-select: none;
}

.navigation {
  position: absolute;
  bottom: 0rem;
  left: 50%;
  transform: translate(-50%);
}

.navigation .dot {
  display: inline-block;
  width: .8rem;
  height: .8rem;
  margin: .5rem;
  background-color: #EAEAEA;
  border-radius: 100%;
  cursor: pointer;
}
.navigation .dot.active {
  background-color: #15D37A;
}