html,
body {
    font-family: -apple-system, 'Microsoft Yahei', tahoma, arial, Hiragino Sans GB, sans-serif;
    font-size: 14px;
}

p,
body,
ul,
h1,
h2 {
    margin: 0;
    padding: 0;
    border: 0;
}

ul {
    list-style: none;
}

a {
    text-decoration: none;
}

img {
    border: 0;
}

.fr {
    float: right;
}

.fl {
    float: left;
}

.clearfix:after {
    visibility: hidden;
    display: block;
    font-size: 0;
    content: " ";
    clear: both;
    height: 0;
}

.clearfix {
    *zoom: 1;
}

.center {
    width: 1200px;
    margin: 0 auto;
}

.pr {
    position: relative;
}

body {
    min-width: 1200px;
}

.header {
    padding: 9px 0;
    position: absolute;
    left: 0;
    top: 0;
    width: 100%;
    z-index: 9;
}

.header .nav {
    margin: 11px 0 0 50px;
}

.header .nav a,
.header .nav b {
    color: #fff;
    font-size: 18px;
    height: 40px;
    line-height: 40px;
    text-shadow: 1px 1px 1px rgba(0, 0, 0, .25);
    margin-left: 25px;
    font-weight: 400;
    position: relative;
    cursor: pointer;
    float: left;
}

.header .nav b:hover .detail {
    display: block;
}

.header .nav b .detail {
    background: #fff;
    width: 140px;
    position: absolute;
    left: 0;
    top: 40px;
    display: none;
}

.header .nav b li {
    width: 120px;
    padding: 0 10px;
}

.header .nav b li:hover {
    background: #2e85e8;
}

.header .nav b li:hover a {
    color: #fff;
}

.header .nav b li a {
    color: #333;
    text-shadow: 0 0 0 transparent;
    font-size: 14px;
    margin: 0;
    display: block;
    width: 100%;
    height: 36px;
    line-height: 36px;
    float: none;
}

.header .login-box {
    margin: 18px 0 0;
}

.header .login-box a {
    height: 30px;
    line-height: 30px;
    float: left;
    color: #fff;
    font-size: 16px;
}

.header .login-box span {
    float: left;
    height: 30px;
    line-height: 30px;
    margin: 0 15px;
    color: #fff;
}

.header .avatar-box {
    padding: 17px 0 9px;
    cursor: pointer;
    position: relative;
    display: none;
}

.header .avatar-box:hover .detail {
    display: block;
}

.header .avatar-box .detail {
    position: absolute;
    left: -5px;
    top: 56px;
    background: #fff;
    border-radius: 5px;
    width: 100px;
    padding: 5px 0;
    display: none;
}

.header .avatar-box .detail:before {
    content: " ";
    border-bottom: 5px solid #fff;
    border-left: 8px solid transparent;
    border-right: 8px solid transparent;
    position: absolute;
    left: 13px;
    top: -5px;
}

.header .avatar-box .detail a {
    display: block;
    width: 100%;
    height: 30px;
    line-height: 30px;
    color: #333;
    font-size: 12px;
    text-align: center;
}

.header .avatar-box i {
    float: left;
    width: 32px;
    height: 32px;
    background: #eceeef;
    border-radius: 50%;
    overflow: hidden;
    margin-right: 10px;
}

.header .avatar-box img {
    max-width: 30px;
    border-radius: 50%;
    overflow: hidden;
}

.header .avatar-box p {
    float: left;
    color: #fff;
    height: 32px;
    line-height: 32px;
}

.banner {
    width: 100%;
    overflow: hidden;
    position: relative;
}

.banner .center {
    left: 0!important;
    z-index: 9!important;
}

.banner img.image {
    max-width: 100%;
    display: block;
    min-height: 812.73px;
}

.banner .banner-item {
    position: absolute;
    left: 100%;
    top: 0;
    width: 100%;
}

.banner .banner-item.banner-1 {
    left: 0;
}

.banner .wrap {
    position: absolute;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
}

.banner .wrap .main {
    float: left;
    width: 55%;
    min-width: 660px;
}

.banner .wrap .main img {
    float: right;
    margin: 142px 0 0;
    max-width: 100%;
}

.banner .info {
    float: right;
    margin-top: 223px;
}

.banner .banner-item {
    width: 100%;
    height: 100%;
    position: absolute;
}

.banner .banner-bg {
    background: url(https://tximg.slooti.com/dev3_web/img.itools.cn/www.itools.cn/images/index/banner.jpg) no-repeat center center;
    width: 100%;
    height: 100%;
    background-size: 100% 100%;
}

.banner .banner-2 .banner-bg {
    background: url(https://tximg.slooti.com/dev3_web/img.itools.cn/www.itools.cn/images/index/banner2.jpg) no-repeat center center;
    background-size: 100% 100%;
}

.banner .banner-3 .banner-bg {
    background: url(https://tximg.slooti.com/dev3_web/img.itools.cn/www.itools.cn/images/index/banner3.jpg) no-repeat center center;
    background-size: 100% 100%;
}

.banner-3 .info {
    width: 45%;
    min-width: 540px;
    margin-top: 189px;
}

.banner-3 .info img {
    max-width: 100%;
    margin-bottom: 50px;
}

.banner-3 .info .btn {
    background: #58b7eb;
}

.banner-3 .info .btn:hover {
    background: #6dc1ef;
}

.banner .btn {
    display: block;
    color: #fff;
    font-size: 32px;
    text-align: center;
    width: 340px;
    height: 80px;
    line-height: 80px;
    background: #6cde65;
    border-radius: 40px;
    margin: 40px auto 0;
}

.banner .btn:hover {
    background: #7ee978;
}

.banner p.tips {
    color: #fff;
    text-align: center;
    margin-top: 15px;
}

.banner .pointer-box {
    width: 79px;
    position: absolute;
    bottom: 30px;
    left: 525px;
    z-index: 9!important;
}

.banner .pointer-box a {
    float: left;
    width: 10px;
    height: 10px;
    background: #fff;
    border-radius: 50%;
    opacity: .5;
    margin: 2px 0 0 15px;
}

.banner .pointer-box a.cur {
    width: 14px;
    height: 14px;
    opacity: 1;
    margin: 0 0 0 15px;
}

.banner .pointer-box a.cur span {
    background: #fff;
}

.content {
    margin-top: 80px;
}

.content .center {
    width: 980px;
    margin: 0 auto;
}

.content ul {
    border: 1px solid #ebebeb;
}

.content li {
    float: left;
    border-right: 1px solid #ebebeb;
    padding-bottom: 30px;
    overflow: hidden;
}

.content li img {
    display: block;
}

.content li h2.title {
    font-size: 24px;
    color: #333;
    font-weight: 600;
    margin-top: 30px;
    text-align: center;
}

.content li h2.title a {
    color: #333;
    font-weight: 600;
}

.content li h2.title span {
    color: #737373;
    font-size: 14px;
    font-weight: 400;
}

.content li p {
    padding: 20px 0 20px 20px;
    color: #666;
    line-height: 22px;
}

.content li:last-child,
.content li.last-child {
    border-right: 0;
}

.content li:last-child h2.title,
.content li.last-child h2.title {
    margin-top: 24px;
}

.content li .btn {
    margin: 0 auto;
    display: block;
    width: 130px;
    height: 30px;
    border-radius: 15px;
    color: #fff;
    background: #12b7f5;
}

.content li .btn:hover {
    background: #3ac5f9;
}

.content li .btn i {
    float: left;
    width: 15px;
    height: 13px;
    margin: 9px 10px 0 41px;
    background: url(https://tximg.slooti.com/dev3_web/img.itools.cn/www.itools.cn/images/index/download-icon.png);
}

.content li .btn span {
    float: left;
    height: 30px;
    line-height: 30px;
}

.content h1.title {
    color: #000;
    font-size: 18px;
    font-weight: 400;
    margin: 35px 0 25px 0;
}

.content .other {
    border: 0;
    border-left: 1px solid #ebebeb;
    border-top: 1px solid #ebebeb;
}

.content .other li {
    float: left;
    border-right: 1px solid #ebebeb;
    border-bottom: 1px solid #ebebeb;
    width: 488px;
    padding: 15px 0;
}

.content .other i {
    float: left;
    width: 60px;
    height: 60px;
    background: url(https://tximg.slooti.com/dev3_web/img.itools.cn/www.itools.cn/images/index/other-icon.png);
    margin: 0 20px;
}

.content .other i.itools-mac {
    background-position: 0 -95px;
}

.content .other i.itools-android {
    background-position: -75px -95px;
}

.content .other i.airplay {
    background-position: 0 -195px;
}

.content .other i.itools-play {
    background-position: -75px -195px;
}

.content .other i.itools-sim {
    background-position: 0 -295px;
}

.content .other a.btn {
    float: right;
    width: 80px;
    text-align: center;
    margin: 15px 20px 0;
    line-height: 30px;
}

.content .other .info {
    float: left;
}

.content .other .info h3.title {
    color: #333;
    font-size: 18px;
    font-weight: 600;
    margin: 7px 0 0;
    height: 24px;
    line-height: 24px;
}

.content .other .info h3.title a {
    color: #333;
    font-weight: 600;
}

.content .other .info h3.title span {
    color: #737373;
    font-size: 12px;
    margin-left: 5px;
    font-weight: 400;
}

.content .other .info p {
    color: #737373;
    font-size: 14px;
    padding: 0;
    height: 22px;
    line-height: 22px;
}

.content .more {
    border-top: 1px solid #ebebeb;
    padding-top: 30px;
}

.content .more .item {
    float: left;
    position: relative;
    width: 21.25%;
    padding: 0 2.5%;
}

.content .more .item:first-child {
    padding-left: 0;
}

.content .more .item:last-child {
    padding-right: 0;
}

.content .more .item h2.title {
    color: #333;
    font-size: 18px;
    font-weight: 400;
    height: 26px;
    line-height: 26px;
}

.content .more .item h2.title a {
    color: #666;
    font-size: 18px;
}

.content .more .item h2.title a.download {
    float: right;
    font-size: 16px;
}

.content .more .item p {
    color: #666;
    margin-top: 8px;
    height: 22px;
    line-height: 22px;
}

.content .more .item:before {
    content: " ";
    width: 1px;
    height: 40px;
    position: absolute;
    right: 0;
    top: 8px;
    background: #ccc;
}

.content .more .item:last-child:before {
    display: none;
}

.footer {
    margin: 50px 0 0;
    padding: 30px 0;
    background: #2a2a2a;
    font-size: 12px;
    color: #999;
}

.footer .center {
    width: 980px;
}

.footer h1.title {
    color: #666;
    font-size: 14px;
    font-weight: 400;
    margin: 0 0 10px;
}

.footer a,
.footer b {
    color: #999;
    display: block;
    height: 24px;
    line-height: 24px;
    font-weight: 400;
}

.footer b {
    cursor: default;
}

.footer a:hover {
    color: #666;
}

.footer .row {
    margin-right: 115px;
}

.footer a i.qq {
    float: left;
    width: 12px;
    height: 13px;
    margin: 6px 0 5px 5px;
    background: url(https://tximg.slooti.com/dev3_web/img.itools.cn/www.itools.cn/images/index/footer-icon.png) 0 -3px;
}

.footer a span {
    float: left;
    height: 24px;
    line-height: 24px;
}

.footer .follow a {
    float: left;
    width: 35px;
    height: 35px;
    border-radius: 50%;
    background: #3a3a3a;
    margin-right: 40px;
    position: relative;
}

.footer .follow a i {
    display: block;
    width: 22px;
    height: 18px;
    background: url(https://tximg.slooti.com/dev3_web/img.itools.cn/www.itools.cn/images/index/footer-icon.png) -17px 0;
    margin: 9px auto 0;
}

.footer .follow a:hover i {
    background-position: -70px 0;
}

.footer .follow a.wechat i {
    background-position: -43px 0;
}

.footer .follow a.wechat:hover i {
    background-position: -96px 0;
}

.footer .follow a.wechat:hover .detail {
    display: block;
}

.footer a .detail {
    width: 128px;
    height: 128px;
    background: #707070;
    position: absolute;
    bottom: 48px;
    left: -50px;
    display: none;
}

.footer a .detail:after {
    content: " ";
    border-top: 6px solid #707070;
    border-left: 8px solid transparent;
    border-right: 8px solid transparent;
    position: absolute;
    left: 60px;
    bottom: -6px;
}

.footer a .detail img {
    width: 110px;
    height: 110px;
    display: block;
    margin: 9px auto;
}

.footer .link {
    margin-top: 30px;
    padding-top: 25px;
    border-top: 1px solid #4f4f4f;
}

.footer .link h2.title {
    font-size: 12px;
    color: #666;
    float: left;
    height: 24px;
    line-height: 24px;
    margin-right: 18px;
}

.footer .link a {
    float: left;
    margin-right: 17px;
}

.footer .link a:hover {
    color: #666;
}

.footer .copyright {
    margin-top: 30px;
}

.footer .copyright p {
    text-align: center;
    height: 30px;
    line-height: 30px;
}

.footer .copyright span {
    float: left;
    margin: 0 10px 0 180px;
}

.footer .copyright a {
    width: 13px;
    height: 15px;
    background: url(https://tximg.slooti.com/dev3_web/img.itools.cn/www.itools.cn/images/index/copyright-icon.png);
    float: left;
    margin: 7.5px 5px 0 0;
}

.footer .copyright a.second {
    width: 16px;
    background-position: -16px -1px;
}

.footer .copyright a.third {
    width: 15px;
    height: 18px;
    background-position: -33px 0;
    margin: 6px 5px 0 0;
}

.footer .copyright a.gab {
    width: 18px;
    height: 18px;
    background-size: 18px 18px;
    background: url(https://tximg.slooti.com/dev3_web/img.itools.cn/www.itools.cn/images/index/gab.png) !important;
    margin: 6px 5px 0 0;
}

.popbox-shadow {
    position: fixed;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, .5);
    z-index: 99;
    display: none;
}

.popbox-shadow .popbox {
    width: 580px;
    position: absolute;
}

.popbox-shadow .popbox h1.title {
    background: url(https://tximg.slooti.com/dev3_web/img.itools.cn/www.itools.cn/images/index/popbox-logo.jpg) #3489d0 no-repeat 20px center;
    height: 84px;
    line-height: 84px;
    padding-left: 84px;
    font-size: 20px;
    color: #fff;
    font-weight: 400;
    position: relative;
}

.popbox-shadow .popbox h1.title i.close {
    display: block;
    width: 21px;
    height: 21px;
    background: url(https://tximg.slooti.com/dev3_web/img.itools.cn/www.itools.cn/images/main/tip_close.jpg) no-repeat -28px 0;
    position: absolute;
    right: 30px;
    top: 31px;
    cursor: pointer;
}

.popbox-shadow .popbox h1.title i.close:hover {
    background-position: 0 0;
}

.popbox-shadow .popbox .info {
    background: #fff;
    width: 520px;
    padding: 20px 30px;
}

.popbox-shadow .popbox .info h2.title {
    color: #333;
    font-size: 18px;
    line-height: 24px;
}

.popbox-shadow .popbox .info p {
    line-height: 32px;
    margin-top: 10px;
    font-size: 16px;
}

.popbox-shadow .popbox .info p.tips {
    color: #f00;
}