@charset "utf-8";

/* CSS Document */
* {
    padding: 0;
    margin: 0;
}

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

html {
    overflow: hidden;
}

body {
    overflow: auto;
    font-size: 12px;
    font-family: 'microsoft yahei', Verdana, Arial, Helvetica, sans-serif;
    background-color: #464646;
    display: flex;
    flex-direction: column;
}

.win_bg {
    background: url(../images/bg_win.jpg) no-repeat scroll;
    background-size: 100% 100%;
}

.doit_bg {
    background: url(../images/bg_doit.jpg) no-repeat scroll;
    background-size: 100% 100%;
}

.mobile_bg {
    background: url(../images/bg_doit.jpg) no-repeat scroll;
    background-size: 100% 100%;
}

.mac_bg {
    background: url(../images/bg_mac.jpg) no-repeat scroll;
    background-size: 100% 122%;
}

li {
    list-style: none;
}

a {
    text-decoration: none;
}

a[href="#"] {
    cursor: not-allowed;
}

.top {
    min-width: 1100px;
    height: 120px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.2);
    width: 100%;
}

.logo {
    margin-top: 20px;
    margin-left: 30px;
}

.logo img {
    vertical-align: middle;
}

.logo span {
    font-size: 16px;
    color: #e7e7e7;
    vertical-align: middle;
    margin-left: 5px;
    display: inline-block;
    margin-top: 30px;
    border-left: 1px solid #696969;
    padding-left: 13px;
}

.nav {
    height: 50px;
    margin-top: -19px;
    text-align: center;
}

.nav a {
    width: 150px;
    height: 45px;
    line-height: 45px;
    display: inline-block;
    border-radius: 12px;
    background: #000;
    text-align: center;
    color: #fff;
    margin: 0 10px;
    font-size: 14px;
}

.nav a.active {
    background: url(../images/nav_active.png) repeat-x;
}

.main {
    flex: 1;
    min-width: 1100px;
    display: flex;
    flex-direction: column;
}

.content {
    width: 100%;
    flex: 1;
    text-align: center;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: space-around;
}

.desc {
    margin-bottom: 60px;
}

.desc ul {
    display: none;
    justify-content: center;
    margin: 10px 0;
}

.feedback {
    width: 25px;
    height: 25px;
    border-radius: 25px;
    background: rgba(0, 0, 0, 0.2);
    padding: 10px;
}

.feedback-email {
    display: inline-block;
    width: 25px;
    height: 25px;
    background: url(../images/feedback_mail.png) no-repeat;
}

.content p {
    color: #fff;
}

.content p:first-child {
    font-size: 40px;
    line-height: 150px
}

.content p:nth-child(2) {
    font-size: 48px;
    font-weight: bold;
}

.btn-download {
    display: inline-block;
    width: 220px;
    height: 66px;
    line-height: 66px;
    border: 1px solid #fff;
    border-radius: 5px;
    font-size: 22px;
    color: #fff;
    padding-left: 30px;
    box-sizing: border-box;
}

.btn-download-win {
    background: rgba(255, 255, 255, 0.2) url(../images/nav_window.png) no-repeat 30px 20px;
    margin-bottom: 50px;
}

.box-mac-download-btn {
    display: flex;
    flex-direction: column;
}

.btn-download-mac {
    width: 310px;
    background: rgba(255, 255, 255, 0.2) url(../images/nav_mac.png) no-repeat 30px 14px;
    margin-bottom: 50px;
}

.box-mac-download-btn span {
    color: rgba(255, 255, 255, 1);
}

.linux {
    display: flex;
    margin-bottom: 50px;
}

.linux ul {
    margin: 0 30px;
    padding: 0 15px;
    background-color: rgba(255, 255, 255, 0.5);
    border-radius: 5px;
}

.linux li {
    width: 390px;
    height: 50px;
    line-height: 50px;
    border-radius: 5px;
    background: rgba(255, 255, 255, 0.2);
    border: 1px solid #fff;
    margin: 15px 0;
    display: flex;
    justify-content: space-around;
    color: #333;
    font-size: 18px;
    font-weight: bold;
}

.linux li label {
    flex: 1;
}

.linux a {
    display: inline-flex;
    width: 90px;
    height: 50px;
    justify-content: center;
    align-items: center;
    padding: 0;
    font-size: 16px;
    background: #e9f0f7;
    color: #333;
    border-radius: 0;
}

.copyright {
    height: 50px;
    min-width: 1100px;
    line-height: 50px;
    background: #3d3c38;
    color: #f1f1f1;
    text-align: center;
    width: 100%;
}

.mobile {
    text-align: left;
}

.mobile div{
    padding-top: 55px;
}

.mobile p:first-child{
    font-size: 14px;
    line-height: 20px
}