b
/* reset */

body {
    color: #000;
    background: #fff;
    font-size: 12px;
    line-height: 1.666;
    -webkit-text-size-adjust: none;
}

body,
textarea {
    font-family: arial;
}

header,
footer,
section,
aside,
article,
nav,
hgroup,
figure,
figcaption,
body,
h1,
h2,
h3,
h4,
h5,
h6,
ul,
ol,
li,
form,
p,
dl,
dt,
dd,
blockquote,
legend,
table,
th,
td,
fieldset,
menu,
pre {
    margin: 0;
    padding: 0;
}

table,
th,
td,
img,
fieldset {
    border: 0;
}

time,
mark,
output,
meter,
address,
cite,
em,
code,
var,
dfn,
ins,
i,
th,
caption {
    font-style: normal;
    text-decoration: none;
}

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

input,
select,
button,
textarea,
table {
    margin: 0;
    font-family: inherit;
    font-size: 100%;
}
select {
    text-align: center;
}

abbr,
acronym {
    border: 0;
    font-variant: normal;
}

q:before,
q:after {
    content: "";
}

ul,
ol {
    list-style: none;
}

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

th,
caption {
    text-align: left;
}

header,
footer,
section,
aside,
article,
nav,
hgroup,
figure,
figcaption {
    display: block;
}

a {
    text-decoration: none;
    color: #666;
}

a:hover {
    text-decoration: underline;
}

svg {
    display: inline-block;
    vertical-align: middle;
}

body {
    background-color: #fff;
}

.link {
    color: #259dff;
    font-weight: bold;
}

.ico {
    display: inline-block;
    width: 80px;
    height: 80px;
    background-size: contain;
}
.ico-medium {
    display: inline-block;
    width: 71px;
    height: 71px;
    background-size: contain;
}

.ico-mini {
    display: inline-block;
    width: 54px;
    height: 54px;
    background-size: contain;
}
.ico-android{
    background-image: url(../img/android.png);
}

.ico-win {
    background-image: url(../img/windows.png);
}

.ico-linux {
    background-position: 0 -270px;
}

.ico-iptv {
    background-position: 0 -180px;
}

.ico-mac {
    background-image: url(../img/mac.png);
}
.ico-thin {
    background-image: url(../img/thin.png);
}
.ico-china {
    background-image: url(../img/china.png);
}

.ico-sync {
    background-image: url(../img/sync-tool.png);
}

.ico-print {
    background-image: url(../img/net-print.png);
}
.ico-decrypt {
    background-image: url(../img/decrypt.png);
    background-size: contain;
}
.ico-market {
    background-image: url(../img/market.png);
    background-size: contain;
}
.ico-vCPE {
    background-image: url(../img/vCPE.png);
    background-size: contain;
}
.ico-web {
    background-image: url(../img/web.png);
}
.ico-clm {
    background-image: url(../img/clm.png);
    background-size: contain;
}
.ico-yilian{
    background-image: url(../img/yilian.png);
}
.ico-echa{
    background-image: url(../img/echa.png);
}
.ico-ai{
    background-image: url(../img/ai.png);
}
.ico-phone{
    background-image: url(../img/cloudphone.png);
}
.ico-ark{
    background-image: url(../img/ark.png);
}
.ico-electron{background-image: url(../img/electron.png);}
/* .ico-help {
    position: relative;
    overflow: visible;
    z-index: 10;
} */

.ico-help {
    width: 20px;
    height: 20px;
    background-image: url(../img/help.png);
    position: relative;
    top: 2px;
    left: 4px;
    cursor: help;
    /* z-index: 10; */
}

.ico-help em {
    display: block;
    position: absolute;
    left: 0px;
    top: 20px;
    background-color: #fff;
    border: #999 1px solid;
    font-size: 12px;
    color: #666;
    width: 300px;
    padding: 10px;
    line-height: 160%;
    visibility: hidden;
    z-index:11;
}

.ico-help:hover em {
    visibility: visible;
}

[class*=_vct]:not(:last-child)::after{
    content:"/";
    position:relative;
    left:3px;
}

/* 头部 */

.header {
    width: 1080px;
    margin: 0 auto;
    height: 60px;
    background-color: #fff;
    line-height: 60px;
    overflow: hidden;
}

.header .content {
    max-width: 1200px;
    margin: 0 auto;
    text-align: left;
}

.header .logo {
    /* width: 42px; */
    height: 50px;
    float: left;
    position: relative;
    top: 3px;
}

.header h1 {
    font-size: 16px;
    font-weight: bold;
    float: left;
    margin-left: 10px;
}

.header .ext {
    float: right;
}
.mt-10 {
    margin-top: 10px;
}

.use-help {
    margin-top: 26px;
    color: #85888c;
}

.use-help h5 {
    margin-bottom: 5px;
    font-size: 13px;
    color: #615c5c;
    font-weight: bold;
}

.use-help p {
    font-size: 14px;
    line-height: 1.5em;
}

.banner {
    width: 100%;
    min-width: 1200px;
    margin: 0 auto;
    position: relative;
}

.banner .bginsert {
    height: 460px;
    width: 100%;
    min-width: 1200px;
    background-color: #d4ebff;
    position: absolute;
    left: 0;
    top: 0;
}

.container {
    width: 1080px;
    margin: 0 auto;
    background: url(../img/pc-banner.png) no-repeat right 10%;
    position: relative;
    z-index: 1;
}

.bd {
    padding-top: 60px;
    text-align: left;
}

.bd h1 {
    font-size: 36px;
    font-weight: normal;
    color: #555;
}

.bd h2 {
    font-size: 18px;
    font-weight: normal;
    color: #85888c;
}
.select {
    border: none;
    outline: none;
    width:125px;
    box-sizing: border-box;
    padding-left: 4px !important;
}
.select option {
    color: #000;
    border-radius: 4px;
}
.select option[disabled] {
    color: #9b9b9b;
}

h2.title {
    font-size: 24px;
    text-align: left;
    margin-top: 50px;
    color: #333;
}

.download {
    margin: 20px 0;
    display: flex;
    justify-content: space-around;
    box-shadow: 0px 9px 8px 0 rgba(22, 96, 168, 0.16);
    box-sizing: border-box;
    background-color: #fff;
    transition: all 0.6s linear;
}
.download.wrap {
    flex-wrap: wrap;
    justify-content: space-between;
}

.downloadBox {
    display: flex;
    flex-direction: column;
    align-items: center;
    padding: 20px;
}
.downloadBox .instruction {
    text-align: center;
}
.downloadBox .instruction-x {
    text-align: left;
    margin-left: 30px;
    margin-right: 30px;
    width: 240px;
}
.downloadBox.row {
    flex-direction: row;
    flex-grow: 1;
    justify-content: start;
    max-width: 50%;
    box-sizing: border-box;
}
.downloadBox.max-w {
    max-width: 50%;
}

.downloadBox .device {
    font-size: 20px;
    color: #333;
    font-weight: 600;
    line-height: 30px;
}
.downloadBox .device.device-ai{
    font-size:18px;
    color: #4b5ffc;
}

.desc {
    font-size: 14px;
    color: #999;
    padding: 1px 0 4px;
}
.desc.small{font-size:12px;}

.downloadBox .btns .btn,
.downloadBox .btns-open .btn {
    display: inline-block;
    height: 34px;
    line-height: 34px;
    color: #fff;
    background-image: linear-gradient(270deg, #51c7ff 0%, #2896ff 100%);
    font-size: 14px;
    margin: 0 auto 0px;
    transition: all 0.3s linear;
    position: relative;
    padding: 0 18px;
    margin-right: 8px;
    border-radius: 4px;
}

.downloadBox .btns .btn:hover,
.downloadBox .btns-open .btn:hover {
    text-decoration: none;
    background-image: linear-gradient(30deg, #51c7ff 0%, #2896ff 100%);
}

.downloadBox .btns .btn.d-none {
    display: none;
}

.disabled {
    background: #b9b5b5 !important;
    cursor: not-allowed;
}

.link-toc {
    color: #82829e;
    margin-top: 10px;
    font-size: 14px;
    text-decoration: underline;
}

.footer {
    color: #747576;
    text-align: center;
    padding: 30px 0;
    clear: both;
    font-size: 13px;
    line-height: 1.7em;
}

.footer .links {
    padding-left: 20px;
}

/* responsive */

.mobile body {
    background: #f7fbff;
}

.mobile .bginsert {
    display: none;
}
.mobile .ico {
    width: 70px;
    height: 70px;
}

.mobile .ico-help {
    display: none;
}

.mobile .header {
    min-width: auto;
    width: 100%;
}

.mobile .header .content {
    max-width: auto;
    margin: 0 20px;
}

.mobile .container {
    width: 100%;
    background: none;
}

.mobile .use-help {
    text-align: left;
    padding: 20px;
}

.mobile .banner {
    min-width: auto;
    background-image: none;
    height: 300px;
}

.mobile .banner .bd {
    width: 100%;
    text-align: center;
    padding-top: 24px;
}

.mobile .banner .bd h1 {
    font-size: 25px;
    color: #203552;
}

.mobile .banner .bd h2 {
    font-size: 12px;
    color: #3d4b5f;
}

.mobile h2.title {
    margin: 20px;
}

.mobile .download {
    box-sizing: border-box;
    padding: 0;
    margin: 0;
    flex-direction: column;
    background: none;
    box-shadow: none;
}

.mobile .downloadBox.row {
    max-width: 100%;
}
.mobile .downloadBox.max-w {
    max-width: 100%;
}

.mobile .downloadBox {
    flex-direction: row;
    justify-content: space-between;
    padding: 15px;
    margin: 5px 0px;
    box-shadow: 0px 0px 6px 3px rgb(22 96 168 / 4%);
    background: #fff;
    border-radius: 4px;
}
.mobile .downloadBox .instruction,
.mobile .downloadBox .instruction-x {
    margin-left: 10px;
    margin-right: 10px;
}

.mobile .downloadBox .btns,
.mobile .downloadBox .btns-open  {
    text-align: center;
    display: flex;
    flex-direction: column;
}

.mobile .downloadBox .btns .btn,
.mobile .downloadBox .btns-open .btn {
    width: 70px;
    margin-right: 0;
    height: 25px;
    line-height: 25px;
    font-size: 12px;
    border-radius: 20px;
    box-sizing: border-box;
    padding: 0;
}
.mobile .btn + .btn {
    margin-top: 15px;
}

.mobile .link-toc {
    margin-bottom: 15px;
    display: inline-block;
}

.mobile .footer .copy {
    display: block;
}

.mobile .downloadBox .device,
.mobile .downloadBox .device-ai,
.mobile .downloadBox .desc {
    text-align: left;
    font-size: 15px;
}
.mobile .downloadBox .desc {
    font-size: 12px;
    color: #777;
}

.d-none {
    display: none;
}

.dialog {
    display: none;
}

.dialog .mask {
    background: rgba(0, 0, 0, 0.3);
    position: fixed;
    left: 0;
    top: 0;
    bottom: 0;
    right: 0;
    z-index: 1000;
}

.dialog .content {
    background: #fff;
    color: #333;
    position: fixed;
    width: 300px;
    height: auto;
    padding: 20px 0;
    text-align: center;
    left: 50%;
    margin-left: -150px;
    top: 200px;
    z-index: 1001;
}

.dialog .content .btns {
    text-align: right;
    padding: 0 10px;
}

.dialog .content button {
    background-color: transparent;
    font-size: 14px;
    padding: 4px 10px;
    margin: 0 4px;
    border: none;
    border-radius: 4px;
    cursor: pointer;
    color: #008dff;
}

.wechat-modal {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    z-index: 1000;
    margin: auto;
    background: url(../img/h5-shade.png) no-repeat;
    background-size: 100%;
    display: none;
}