@charset "UTF-8";

.part {
    width: 100%;
    margin-top: 1%;
    margin-bottom: 1%;
    position: relative;
}

.part li {
    position: relative;
    overflow: hidden;
}

.part li span {
    width: 100%;
    height: 100%;
    display: inline-block;
}

.part li span:after {
    display: block !important;
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    z-index: 1;
    background: rgba(0, 0, 0, .3);
    opacity: 0;
    transition: all .2s;
}

.part li span.mask:after {
    opacity: 1
}



.part1 .part1-left span {
    background-color: #000;
}

.part1 .part1-right span {
    background: url("../images/index-part1-right.jpg") left center;
}

.part2 span {
    background: url("../images/index-part2.jpg") center;
}

.part3 .part3-left span {
    background: url("../images/index-part3-left.jpg") left center;
}

.part3 .part3-right span {
    background: url("../images/index-part3-right.jpg") right center;
}
.part4 span {
    background: url("../images/index-part4.jpg") center;
}

.part h3,
.part p {
    color: #fff;
    text-align: justify;
}

.look-btn {
    background-color: #222;
    font-size: 16px;
    padding: 15px 45px;
    color: #fff;
    margin-top: 24px;
    display: inline-block;
    opacity: 0;
    filter:alpha(opacity=0);
}

.look-btn.btn-hover {
    background-color: #777;
}
.index-banner img.banner-bg {
    width: 100%;
}
.index-banner {
    overflow: hidden;
    position: relative;
}
.index-banner img.slogan {
    position: absolute;
    top: 50%;
    left: 50%;
}
.part-describe {
    position: absolute;
    z-index: 9;
}
@media screen and (min-width: 768px) {
    .part1 .part1-left {
        float: left;
        width: 33%;
    }
    .part1 .part1-right {
        float: right;
        width: 66%;
    }
    .part2 {
        width: 100%;
    }
    .part3 .part3-left {
        float: left;
        width: 66%;
    }

    .part3 .part3-right {
        float: right;
        width: 33%;
    }
}
@media screen and (min-width: 960px) {
    .index-banner img.banner-bg {
        max-width: 1600px;
    }

    .index-banner img.slogan {
        width: 676px;
        margin-top: -30px;
        margin-left: -338px;
    }
}

@media screen and (min-width: 1200px) {
    .part, .part li {
        height: 464px;
    }

    .part h3 {
        font-size: 18px;
        line-height: 30px;
    }

    .part p {
        padding-top: 14px;
        line-height: 24px;
    }

    .part-describe {
        padding: 0 50px;
        bottom: -40px;
    }
}

@media screen and (min-width: 960px) and (max-width: 1199px) {
    .part, .part li {
        height: 400px;
    }

    .part h3 {
        font-size: 16px;
        line-height: 24px;
    }

    .part p {
        padding-top: 14px;
        line-height: 24px;
    }

    .part-describe {
        padding: 0 40px;
        bottom: -40px;
    }
}

@media screen and (min-width: 768px) and (max-width: 959px) {
    .index-banner img.banner-bg {
        max-width: 1000px;
    }
    .index-banner img.slogan {
        width: 400px;
        margin-top: -25px;
        margin-left: -200px;
    }
    .part, .part li {
        height: 324px;
    }

    .part h3 {
        font-size: 16px;
        line-height: 24px;
    }

    .part p {
        padding-top: 14px;
        line-height: 18px;
    }

    .part-describe {
        padding: 0 30px;
        bottom: -30px;
    }
}

@media screen and (min-width: 480px) and (max-width: 767px) {
    .index-banner img.slogan {
        width: 300px;
        margin-top: -20px;
        margin-left: -150px;
    }
    .part, .part li {
        height: 324px;
    }

    .part h3 {
        font-size: 14px;
        line-height: 24px;
    }

    .part p {
        padding-top: 14px;
        line-height: 18px;
    }
    .part-describe {
        padding: 0 30px;
        bottom:40px;
    }
}

@media screen and (max-width: 479px) {
    .look-btn {
        font-size: 14px;
        padding: 10px 35px;
    }
    .index-banner img.slogan {
        width: 240px;
        margin-top: -10px;
        margin-left: -120px;
    }
    .part, .part li {
        height: 224px;
    }

    .part h3 {
        font-size: 14px;
        line-height: 20px;
    }

    .part p {
        padding-top: 14px;
        line-height: 18px;
    }
    .part-describe {
        padding: 0 30px;
        bottom:40px;
    }
}
@media screen and (max-width: 767px) {
    .index-banner img.banner-bg {
        height:420px;
        width: auto;
        /*max-width: 767px;*/
    }
    .part li{
        width: 100%;
        margin-bottom:1%;
        float:left;
    }

    .part h3 {
        font-weight: normal;
    }
    .part p {
        font-size:12px;
    }
    .part1 .part1-left span,
    .part1 .part1-right span,
    .part2 span,
    .part3 .part3-left span,
    .part3 .part3-right span{
        background-size: cover;
    }
    .look-btn{
        opacity: 1;
        margin-top:18px;
    }
}.part10 span {

    background: url("../images/namihome.jpg") center;
}