/*banner图*/

.desktop .banner {
    height: 420px;
    width: 100%;
    background: #f5f5f5;
    margin-top: 60px;
    color: #222;
}

.desktop .banner .banner_section {
    height: 420px;
}

.desktop .banner .banner_section .left {
    width: 45%;
    height: 420px;
    margin-left: -258px;
}

.desktop .banner .banner_section .left h1 {
    margin-top: 150px;
    font-size: 50px;
}

.desktop .banner .banner_section .left h1 b {
    color: #2262c4;
    font-size: 50px;
    font-weight: 100;
    margin: 0 15px 0 0;
}

.desktop .banner .banner_section .left p {
    font-size: 20px;
    font-weight: 600;
    color: rgba(0, 0, 0, 0.78);
}

.desktop .banner .banner_section .right {
    width: 47%;
    height: 420px;
    background: url(../images/desktop_banner_img02.png)no-repeat center bottom;
    background-size: contain;
    margin-right: -258px;
}

@media only screen and (max-width:768px) {
    .desktop .banner .banner_section {
        display: none;
    }
    .desktop .banner {
        height: 260px;
        background: #F5F5F5 url(../images/desktop_banner_xs.png)no-repeat center center;
        background-size: contain;
    }
}

@media only screen and (min-width: 768px) and (max-width: 1300px) {
    .desktop .banner .banner_section {
        display: none;
    }
    .desktop .banner {
        height: 370px;
        background: #F5F5F5 url(../images/desktop_banner_img05.png)no-repeat center center;
        background-size: contain;
    }
}


/*提供*/

.provide {
    width: 100%;
    background: #62a2d7;
    color: #fff;
}

.provide .title {
    width: 100%;
    padding-top: 50px;
}

.provide .title b {
    font-size: 35px;
    font-weight: 500;
}

.provide .title em {
    height: 3px;
    width: 60px;
    background: #fff;
    display: block;
    margin: 10px auto 0;
}

.provide .provide_section {
    margin: 45px 0 85px;
}

.provide .provide_section p {
    line-height: 26px;
    font-size: 16px;
    text-align: center;
}

.provide .provide_section .provide_section_img {
    height: 485px;
    background: url(../images/desktop_img01.png)no-repeat center center;
    margin: 45px 0;
    background-size: contain;
}

.provide .provide_section .provide_section_bottom {
    display: inline-block;
    width: 100%;
}

.provide .provide_section .provide_section_bottom ul li {
    float: left;
    width: 25%;
    text-align: center;
}

.provide .provide_section .provide_section_bottom ul li .icon {
    width: 64px;
    height: 60px;
    margin: 0 auto 20px;
}

.provide .provide_section .provide_section_bottom ul li:first-child .icon {
    background: url(../images/desktop_icon_img01.png)no-repeat center center;
}

.provide .provide_section .provide_section_bottom ul li:nth-child(2) .icon {
    background: url(../images/desktop_icon_img02.png)no-repeat center center;
}

.provide .provide_section .provide_section_bottom ul li:nth-child(3) .icon {
    background: url(../images/desktop_icon_img03.png)no-repeat center center;
}

.provide .provide_section .provide_section_bottom ul li:last-child .icon {
    background: url(../images/desktop_icon_img04.png)no-repeat center center;
}

@media only screen and (max-width: 768px) {
    .provide .provide_section .provide_section_img {
        height: 206px;
    }
}


/*应用场景*/

.application {
    width: 100%;
    background-image: url(../images/application_bg.png);
    background-position: center center;
    background-repeat: no-repeat;
}

.application .title {
    width: 100%;
    padding-top: 50px;
}

.application .title b {
    font-size: 35px;
    font-weight: 500;
}

.application .title em {
    height: 3px;
    width: 60px;
    background: #2262c4;
    display: block;
    margin: 10px auto 0;
}

.application .application_section {
    display: inline-block;
    width: 100%;
    margin: 55px 0;
}

.application .application_section ul li {
    height: 173px;
    width: 100%;
    overflow: hidden;
    margin: 15px 0;
}

.application .application_section .left,
.application .application_section .middle,
.application .application_section .right {
    margin: 0 13px;
    padding: 0;
    overflow: hidden;
}

.application .application_section ul li:first-child {
    height: 86px;
}

.application .application_section ul li:last-child {
    height: 45px;
}

.application .application_section ul li {
    position: relative;
    overflow: hidden;
    cursor: pointer;
}

.application .application_section ul li .application_img {
    position: absolute;
    width: 100%;
    transition: all .3s linear;
    z-index: 0;
}

.application .application_section ul li .application_bg {
    display: none;
    height: 100%;
    background: rgba(0, 0, 0, 0.62);
    text-align: center;
    color: #FFF;
    z-index: 1;
    position: relative;
    z-index: 1;
}

.application .application_section ul li h3 {
    margin-top: 0;
    line-height: 173px;
}

.application .application_section .left ul li:nth-child(2) {
    position: relative;
    left: 40%;
    border: 4px solid #2262c4;
    width: 285px;
}

.application .application_section .left ul li:nth-child(2) .application_img {
    background-image: url(../images/desktop_img03.png);
    background-position: right center;
    background-repeat: no-repeat;
    height: 100%;
}

.application .application_section .left ul li:nth-child(3) {
    background-color: #2262c4;
    background-image: url(../images/desktop_img05.png);
    background-position: right center;
    background-repeat: no-repeat;
    background-size: contain;
}

.application .application_section .application_section_list {
    border: 4px solid #2262c4;
    position: relative;
    border: 4px solid #2262c4;
    width: 100%;
}

.application .application_section .middle ul li:first-child {
    background: url(../images/desktop_img02.png)no-repeat center center;
}

.application .application_section .middle ul li:nth-child(2) .application_img {
    background: url(../images/desktop_img04.png)no-repeat center center;
    height: 100%;
}

.application .application_section .middle ul li:nth-child(3) .application_img {
    background: url(../images/desktop_img06.png)no-repeat center center;
    height: 100%;
}

.application .application_section .middle ul li:nth-child(4) .application_img {
    background: url(../images/desktop_img08.png)no-repeat center center;
    height: 100%;
}

.application .application_section .middle ul li:last-child {
    background: url(../images/desktop_img09.png)no-repeat center center;
}


.application .application_section .right ul li:nth-child(3) .application_img {
    background: url(../images/desktop_img07.png)no-repeat center center;
    height: 100%;
}
.application .application_section .application_section_list:hover .application_bg {
	display: block;
}
.application .application_section .application_section_list:hover .application_img{
	transform: scale(1.1);
}
@media only screen and (max-width:991px){
    .application .application_section ul li.none {
            display: none;
    } 
    .application .application_section .application_section_list {
        width: 285px;
        margin: auto;
    }
    .application .application_section .middle ul li:nth-child(2), 
    .application .application_section .middle ul li:nth-child(3){
        margin-bottom: 15px;
    }
    .application .application_section .left ul li:nth-child(2){
        left: 0;
    }
}
@media only screen and (max-width:768px) {
    .application .application_section .left,
    .application .application_section .middle,
    .application .application_section .right {
        margin: 0;
    }
    .application .application_section ul li.none {
        display: none;
    }
    .application .application_section ul li.application_section_list,
    .application .application_section .left ul li:nth-child(2) {
        position: relative;
        left: 50%;
        margin-left: -142.5px;
    }
    .application .application_section .middle ul li:nth-child(2),
    .application .application_section .middle ul li:nth-child(3),
    .application .application_section .middle ul li:nth-child(4),
    .application .application_section .right ul li:nth-child(3) {
        width: 285px;
    }
}


/*解决问题*/

.help {
    width: 100%;
    background: url(../images/desktop_banner_img03.png)no-repeat center center;
    background-size: cover;
}

.help .title {
    width: 100%;
    padding-top: 50px;
    color: #fff;
}

.help .title b {
    font-size: 35px;
    font-weight: 500;
}

.help .title em {
    height: 3px;
    width: 60px;
    background: #fff;
    display: block;
    margin: 10px auto 0;
}

.help .help_section {
    color: #fff;
    display: inline-block;
    width: 100%;
    margin: 85px 0;
}

.help .help_section .left {
    padding: 0 105px;
}

.help .help_section .left h4 {
    line-height: 25px;
    margin-top: 100px;
}

.help .help_section .left .twonum {
    text-align: center;
    margin-top: 90px;
}

.help .help_section .left .twonum h2 {
    font-size: 45px;
}

.help .help_section .left .twonum em {
    width: 135px;
    height: 1px;
    background: #fff;
    display: block;
    margin: auto;
}

.help .help_section .left .threenum em {
    width: 228px;
}

.help .help_section .left .twonum p {
    margin-top: 10px;
}

.help .help_section .right {
    padding: 0;
}

.help .help_section .right ul li {
    height: 85px;
    width: 100%;
    overflow: hidden;
    margin-top: 15px;
}

.help .help_section .right ul li .icon {
    width: 34px;
    height: 34px;
    background: url(../images/desktop_banner_img04.png)no-repeat;
    background-size: contain;
    line-height: 34px;
    text-align: center;
    margin-right: 20px;
}

.help .help_section .wrap {
    width: 80%;
    height: 85px;
    overflow: hidden;
    text-overflow: ellipsis;
}

@media only screen and (max-width:768px) {
    .help .help_section .left {
        padding: 0 37px;
        margin-bottom: 70px;
    }
}