@charset "UTF-8";
body {
  font-family: "微软雅黑";
  color: #333333; }

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

body {
  background: #e0f0ff; }
.dl-logo {
  background: url(./logo.png) no-repeat center;
  background-size: contain;
  width: 70%;
  height: 100px;
  font-size: 0;
  margin: 0 auto; }

.dl-main {
  padding: 0 15px;
  overflow: hidden; }

.dl-main .mobile {
  text-align: center; }

.dl-main .mobile .img {
  width: 80%; }

.dl-main .con .tit {
  display: none; }

.dl-main .con .txt {
  text-align: left;
  color: #999999;
  line-height: 24px;
  height: 100px;
  overflow: hidden;
  display: none; }

.dl-main .btns {
  position: fixed;
  bottom: 0px;
  left: 0;
  right: 0; }

.dl-main .btns .btn {
  width: 48%;
  display: inline-block; }

.dl-main .btns .btn img {
  width: 100%; }

.dl-footer {
  display: none; }

.detail-box {
  padding: 0 15px;
  padding-top: 30px; 
  padding-bottom: 100px;
  }

.detail-box p {
  line-height: 24px;
  color: #666666;
  margin-bottom: 15px; }

@media screen and (min-width: 768px) {
  body.index {
    box-sizing: border-box; 
	}
  .dl-logo {
    width: 383px;
    margin-top: 50px; }
  .dl-main {
    margin-top: 60px; }
  .dl-main .mobile {
    width: 50%;
    margin-right: 5%;
    float: left; }
  .dl-main .mobile .img {
    width: 100%; }
  .dl-main .con {
    margin-top: 6%;
    overflow: hidden; }
  .dl-main .con .tit {
    display: block; }
  .dl-main .con .tit img {
    width: 100%; }
  .dl-main .con .txt {
    margin-top: 10%;
    font-size: 18px;
    line-height: 40px;
    height: auto;
    display: block; }
  .dl-main .btns {
    bottom: 10%;
    text-align: center; }
  .dl-main .btns .btn {
    width: 234px; } }

@media screen and (min-width: 992px) {
  body.index {
    background: url(./dl-bg.png) no-repeat center;
    background-size: cover; }
  .dl-main {
    width: 90%;
    margin: 0 auto;
    margin-top: 50px; }
  .dl-main .btns {
    margin-top: 30px;
    position: static; }
  .dl-main .btns .btn {
    width: 45%; } }

@media screen and (min-width: 1200px) {
  .container {
    width: 1200px;
    padding: 0; }
  .dl-logo {
    height: 80px;
    background-position: center left; }
  .dl-main .mobile {
    width: 505px; }
  .dl-main .con .tit img {
    width: 458px; }
  .dl-main .btns .btn {
    width: 234px; }
  .dl-main .mobile {
    margin-right: 95px; }
  .dl-main .con {
    margin-top: 5%; }
  .dl-main .btns {
    margin-top: 100px; }
  .dl-footer {
    display: block;
    text-align: center;
    color: #999999;
    font-size: 16px;
    line-height: 30px; }
  .dl-footer a {
    color: #999999; }
  .dl-footer a:hover {
    color: #3189f5; }
  .detail-box {
    width: 1000px;
    margin: 0 auto;
    padding: 0;
    overflow: hidden;
    padding-top: 100px;
    font-size: 16px; }
  .detail-box p {
    line-height: 30px; } }