html,body{ width: 100%; height: 100%; margin: 0; user-select: none; scroll-behavior: smooth; font-family: 'PingFang SC', '微软雅黑'; }
i{ font-family: 'PingFang SC', '微软雅黑'; }
p, img, h1, h2, h3{ margin: 0; }
h1{ font-weight: 500; color:white; }
.bannerMain{ max-width: 960px; margin: 0 auto; }
a{ text-decoration: none; color: #414141; }
ul{ list-style-type: none; margin: 0; padding: 0; }
.upnetMain{ width: 100%; }
/* 标题头 */
.upnetTitle{ max-width: 960px; margin: 0 auto; flex: 1; display: flex; flex-direction: row; justify-content: space-between; height: 68px; line-height: 68px; }

/* 渐变色 */
.head_linear{
  background: linear-gradient(rgb(22, 23, 28), rgb(5, 6, 6));
  background: -webkit-linear-gradient(rgb(22, 23, 28), rgb(5, 6, 6));/* Safari 5.1 - 6.0 */
  background: -o-linear-gradient(rgb(22, 23, 28), rgb(5, 6, 6));/* Opera 11.1 - 12.0 */
  background: -moz-linear-gradient(rgb(22, 23, 28), rgb(5, 6, 6));/* Firefox 3.6 - 15 */
}

.fe_linear{
  margin-top: -1px;
  background: linear-gradient(rgb(5, 6, 6), rgb(20, 21, 25));
  background: -webkit-linear-gradient(rgb(5, 6, 6), rgb(20, 21, 25));/* Safari 5.1 - 6.0 */
  background: -o-linear-gradient(rgb(5, 6, 6), rgb(20, 21, 25));/* Opera 11.1 - 12.0 */
  background: -moz-linear-gradient(rgb(5, 6, 6), rgb(20, 21, 25));/* Firefox 3.6 - 15 */
}

.bt_linear{
  margin-top: -1px;
  background: linear-gradient(rgb(20, 21, 25), rgb(22, 23, 28));
  background: -webkit-linear-gradient(rgb(20, 21, 25), rgb(22, 23, 28));/* Safari 5.1 - 6.0 */
  background: -o-linear-gradient(rgb(20, 21, 25), rgb(22, 23, 28));/* Opera 11.1 - 12.0 */
  background: -moz-linear-gradient(rgb(20, 21, 25), rgb(22, 23, 28));/* Firefox 3.6 - 15 */
}

.upnetTitle a{ text-decoration: none; color: white; }
.upnetTitle_l{ font-size: 14px; font-family: "微软雅黑"; font-weight: bold; color: white; }
.upnetTitle_r{ width: 99px; }
/* 头部 */
.upnet_head{ align-items: center; margin-top: 90px; justify-content: space-between; }
.head_l h1{ color: #FFFFFF; font-size: 58px; margin-top: -7px; margin-bottom: 10px; font-weight: bold; }
.head_r{ width: 300px; height: 494px; }
.head_r img{ width: 100%; }
.socialIcons{ width: 389px; }
.freeBtn{
  display: block;
  width: 188px;
  height: 48px;
  margin-top: 50px;
  color: white;
  background: #00AAFF;
  border-radius: 4px;
  text-align: center;
  line-height: 48px;
  text-decoration: none;
  align-self: flex-start;
}

/* 客户端下载 */
.client{ width: 100%; overflow: hidden; margin: 25px auto 0; }
.client_l{ font-size: 12px; color: white; margin-top: 70px; }
.client_item{ cursor: pointer; font-size: 14px; color: #9FA8B8; font-weight: 600;text-align: center; margin-right: 30px; }
.client_item .client_pic{ margin: 0 auto 10px; background-size: 116px; width: 58px; height: 58px; background-repeat: no-repeat;}
.pic_android{ background-image: url('./img/android_sprite.png'); background-position: left top;  }
.pic_ios{ background-image: url('./img/ios_sprite.png'); background-position: left top; }
.pic_windows{ background-image: url('./img/win_sprite.png'); background-position: left top; }
.pic_mac{ background-image: url('./img/mac_sprite.png'); background-position: left top; }
.pic_extensions{ background-image: url('./img/extensions_sprite.png'); background-position: left top; }

.pic_android:hover{ background-position: right top; }
.pic_ios:hover{ background-position: right top; }
.pic_windows:hover{ background-position: right top; }
.pic_mac:hover{ background-position: right top; }
.pic_extensions:hover{ background-position: right top; }

/* 就是倍儿快 */
.features{ justify-content: space-around; max-width: 960px; margin: 0 auto; padding-top: 48px; }
.fe_item{ width: 320px; height: 213px; }
.fe_item img{ display: block; margin: 23px auto 16px; width: 80px; }
.fe_item h2, .fe_item p{ text-align: center; color: white; }
.fe_item p{ color: #778193; margin: 10px auto 0; font-size: 16px; font-weight: 300; }

/* 海量节点， 随心选择 */
.nodes_more{ max-width: 960px; height: 254px; margin: 0 auto; overflow: hidden; padding-top: 120px; }
.nodes_more_layout{ max-width: 1000px; margin: 57px auto 0; }
.nodes_more img{ width: 278px; margin: 0 100px 0 77px; }
.nodes_more_l{ width: 300px; color: white; }
.nodes_more_l p{ font-size: 16px; margin-top: 30px; font-weight: 300; color: #778193; }
.nodes_more .freeBtn{ margin: 0; align-self: flex-end; }

/* 支持多端，下载即用 */
.devices_tip_layout{ max-width: 960px; margin: 57px auto 0; }
.devices_tip{ width: 100%; height: auto; overflow: hidden; padding-top: 120px; padding-bottom: 70px; }
.devices_tip .device_view{ max-width: 530px; }
.devices_tip_r{ flex: 1; margin-bottom: 20px; margin-left: 60px; }
.device_ul{ color: #939393; font-size: 12px; margin: -7px 0 0; }
.device_ul li{ margin-top: 10px; }
.device_ul img{ width: 14px; margin-right: 5px; }
.devices_tip_r p{ margin-top: 30px; font-weight: 300; color: #778193; margin-bottom: 30px; }
.deviceList a{ margin-right: 20px; display: inline-block; }
.deviceList .device_pic{ margin-bottom: 10px; background-size: 90px; width: 45px; height: 45px; background-repeat: no-repeat;}
.upnet_fot{ max-width: 960px; margin: 0 auto; padding: 100px 0 50px; font-size: 12px; font-weight: 300; color: #848589;}
.upnet_fot a { text-decoration: none; color: #0C8AC7; font-size: 13px; }

/* common */
.flexAuto{ display: flex; display: -webkit-flex; flex-direction: row; align-items: center; flex-wrap: wrap; }
.flexColm{ flex-direction: column !important; }
.jusLeft{ justify-content: left; }
.jusRight{ justify-content: flex-end; }
.jusCenter{ justify-content: center; }
.jusBetween{ justify-content: space-between; }
.alignStart{ align-items: start; }
.disBlock{ display: block !important; }
.disFlex{ display: flex; }
.disBlockIn{ display: inline-block; }
.disNone{ display: none; }
.margin0{ margin: 0; }
.padding0{ padding: 0; }
.tl{ text-align: left; }
.tc{ text-align: center; }
.imgAuto{ margin: 0 auto; display: block; }
.pcView{ display: block; }
.phoneView{ display: none; }

/* 颜色 */
.cr31{ color: #313131; }
.cr89{ color: #848589; }
.crff{ color: white; }
.crB8{ color: #9FA8B8; }

/* 字体 */
.fs-12{ font-size: 12px; }
.fs-16{ font-size: 16px; }
.fw-300{ font-weight: 300; }

/* margin */
.mt-120{ margin-top: 120px; }
.mt-15{ margin-top: 15px; }
.mt-20{ margin-top: 20px; }
.mt-10{ margin-top: 10px; }

/* padding */
.pt-10{ padding-top: 10px; }
/* PC媒体查询 */
@media only screen and (min-width: 768px) and (max-device-width: 1024px) {
  .devices_tip .device_view{
    max-width: 400px;
  }
  .upnet_fot{ max-width: 960px; }
}
@media only screen and (max-width: 1200px) {

}

@media only screen and (max-width: 1366px) {

}

@media only screen and (min-width: 1667px) {

}

@media (min-width: 1680px) {

}

/* 移动媒体查询 */
@media only screen and (max-width: 768px) {
  .upnetTitle,
  .upnet_fot,
  .devices_tip_layout,
  .nodes_more_layout{ width: 90%; max-width: 90%; }
  .bannerMain{ width: 100%; max-width: 100%; }
  .title_layout{ display: none; }
  .upnet_head{ flex-direction: column; margin-top: 10px; }
  .head_l{ margin-top: 20px; align-items: center; }
  .head_l h1{ font-size: 28px; }
  .head_r{ margin: 0; width: 150px; height: 300px; }
  .freeBtn{ width: 100%; height: 44px; line-height: 44px; margin-top: 20px; border-radius: 4px; }
  .devices_tip_r .freeBtn{ width: 288px; height: 46px; line-height: 46px; margin: 50px auto 0; }
  /* 客户端下载 */
  .client{ height: auto; padding-bottom: 20px; flex-direction: column; }
  .client .freeBtn{ margin: 10px auto 0; height: 46px; line-height: 46px; display: flex; align-items: center; justify-content: center; }
  .client_item{ padding: 25px 35px; }
  .client_item p{ text-align: center; }
  .client_r{  flex: 1; justify-content: flex-start; width: 90%; }
  .fastTip{ margin-top: 40px; }
  /* 就是倍儿快 */
  .fe_item{ width: 104px; height: 96px; }
  .fe_item img{ width: 34px; margin: 0 auto 5px; }
  .fe_item p{ font-size: 13px; }
  .fe_item h2{ font-size: 14px; font-weight: normal; color: #778193; }
  /* 海量节点，随心选择 */
  .nodes_more_layout{ margin: 20px auto 0; flex-direction: column; }
  .nodes_more{ height: auto; padding-bottom: 20px; padding-top: 15px; }
  .nodes_more_l{ width: 100%; text-align: center; }
  .nodes_more_l p{ margin-top: 10px; font-size: 15px; text-align: left; color: #9FA8B8; }
  .nodes_more_l h1{ font-size: 24px; margin: 30px auto 25px; text-align: left; }
  .nodes_more img{ width: 90%; margin: 50px auto; display: block; }
  /* 支持多端，下载即用 */
  .devices_tip{ padding-top: 0; padding-bottom: 40px; }
  .devices_tip_layout{ flex-direction: column; margin-top: 10px; }
  .devices_tip_r{ margin: 10px 0 0; }
  .devices_tip_r h1{ text-align: left; font-size: 24px; margin: 0 0 24px; }
  .devices_tip_r p{ margin-top: 15px; text-align: left; font-size: 15px; color: #9FA8B8; }
  .devices_tip .device_view{ max-width: 241px; margin-right: 10px; }
  .upnet_fot{ justify-content: center; padding-top: 30px; }
  .upnet_fot p{ margin-bottom: 5px; }
  .upnet_fot a{ font-size: 12px; color: #0C8AC7 !important; }
  .pcView{ display: none; }
  .phoneView{ display: block; }
  .socialIcons{ width: 245px; margin: 7px auto 36px; }
  .phoneIcon{ width: 24px; margin-right: 5px; }
  .device_phone_r{ display: flex; justify-content: center; }
}
@media only screen and (min-device-width: 360px) and (max-width: 640px) {
  .client_item{ padding: 25px 28px; }
}
@media only screen and (min-device-width: 411px) and (max-width: 823px) {
  .device_ul li{ margin-top: 12px; }
  .client_item{ padding: 25px 36px; }
  .devices_tip .device_view{ max-width: 255px; margin-right: 30px; }

}
@media (max-width: 375px){

}
@media only screen and (min-device-width: 375px) and (max-device-height: 812px) and (-webkit-device-pixel-ratio: 3) {
  .client_item{ padding: 25px 31px; }
}
@media only screen and (device-width : 414px) and (device-height : 736px) and (-webkit-device-pixel-ratio : 3) {

}
@media only screen and (min-device-width: 375px) and (max-device-height: 667px) and (-webkit-device-pixel-ratio: 2) {
  .client_item{ padding: 25px 30px; }
}

@media screen and (device-width: 360px) and (device-height: 640px) and (-webkit-device-pixel-ratio: 3){
  .upnet_head{ margin-top: 3px; }
  .devices_tip .device_view{ max-width: 230px; margin-right: 15px; }
  .head_r{ width: 90px; height: 185px; }
  .device_ul li{ margin-top: 8px; }
  .head_l h1{ font-size: 26px; }
  .socialIcons{ width: 210px; }
  .client .freeBtn{ height: 40px; line-height: 40px; }
}

@media only screen and (min-device-width: 320px) and (max-device-height: 568px) and (-webkit-device-pixel-ratio: 2) {
  .upnet_head{ margin-top: 10px; }
  .head_l h1{ font-size: 26px; }
  .head_r{ width: 150px; height: 300px; }
  .nodes_more_l h1{ font-size: 24px; }
  .client_item{ padding: 25px 22px; }
  .device_ul li{ margin-top: 7px; }
  .devices_tip .device_view{ max-width: 200px; margin-right: 10px; }
  .socialIcons{ width: 210px; margin-top: 20px; }
}