.box-demo{
    position: relative;
    width: 100%;
}
.box-1{
    display: inline-block;
    width: 80%;
    background-color: rgba(0,0,0,.2);
    margin: 10% 0 10% 5%;
    padding: 40px;
}
.box-1 h2{
    padding: 20px 20px 20px 0;
    margin-bottom: 20px;
    border-bottom: 8px solid #fff;
    width: 80%;
    font-size: 3.0em;
}
.box-1 h3{
    padding: 20px 20px 20px 0;
    margin-bottom: 20px;
    border-bottom: 8px solid rgba(255,255,255,.5);
    width: 80%;
    font-size: 2.0em;
}
.box-1 p {
    color: #fff;
    line-height: 1.777;
    font-size: 18px;
    margin-bottom: 10px;
}
.box-1 button{
    color: #08455B;
    margin-top: 20px;
    padding: 12px 10px;
    font-weight: 600;
}
.box-1 button a{
    color: #08455B;
}
.box-2{
    padding: 40px;
}
.box-2-lf .col-md-6{
    padding: 10px;
}
.img-box{
    background-color: rgba(255,255,255,.2);
    height: 300px;
    padding: 10px;
    text-align: center;
}
.img-box.img-2 div{
    width: 49%;
    display: inline-block;
    margin-top: 83px;
}
.vjak{
    position: absolute;
    width: 200px;
    height: 150px;
    border-radius: 50%;
    top: 50%;
    left: 0;
    margin-top: -75px;
    overflow: hidden;
}
.kkk{
    position: absolute;
    background-color: rgba(255,255,255,.7);
    width: 130px;
    height: 80px;
    border-radius: 50%;
    padding: 15px;
    text-align: center;
}
.kkk p,.kkk span{
    color: #08455B;
    font-size: 14px;
    font-weight: 600;
}
.box-3-img{
    margin: 10% 0 10% 10% !important;
}
.box-3-img img{
    width: 20%;
    float: left;
}
.box-3-img .col-md-6{
    margin-top: 40px;
    margin-bottom: 40px;
    float: left;
}
.box-3-div{
    width: 80%;
    float: left;
    padding: 0 40px 0 20px;
}
.box-3-div h5{
    font-size: 16px;
    padding-bottom: 10px;
    margin-bottom: 10px;
    border-bottom: 3px solid #fff;
}
.box-3-div p{
    font-size: 14px;
}

.box-4{
    display: inline-block;
    width: 80%;
    background-color: rgba(59,82,90,.7);
    margin: 10% 0 10% 10%;
    padding: 40px;
}
.box-4 h2{
    font-size: 2.0em;
    margin-left: 3px;
    margin-bottom: 35px;
    padding: 8px;
    background-color: rgba(82,90,95,.5);
}
.box-4 h3{
    font-size: 1.8em;
    margin: 35px 3px;
    padding: 8px;
    text-align: right;
}
.box-4 .col-md-4{
    padding: 5px;
    background-color: rgba(255,255,255,.4);
}
.box-4 img{
    width: 120px;
    height: 120px;
}
.box-4 .col-md-6{
    padding: 5px;
    background-color: rgba(255,255,255,.4);
}
.box-4 p{
    color: #000;
    font-size: 16px;
    font-weight: 600;
}
.box-inp input,.box-inp textarea{
    background-color: transparent;
    color: #000;
}
.bg-1{
    background:url(../images/demo/图片1.png) no-repeat;
    background-size:  100% 100%
}
.bg-2{
    background:url(../images/demo/图片2.png) no-repeat;
    background-size:  100% 100%
}
.bg-3{
    background:url(../images/demo/图片3.png) no-repeat;
    background-size:  100% 100%
}
.bg-4{
    background:url(../images/demo/图片4.png) no-repeat;
    background-size:  100% 100%
}
.bg-5{
    background: #aaa !important;
}
::-webkit-input-placeholder {
    color: #333 !important;
}
.phone{display: none}
@media (max-width: 768px){
    .phone{display: block !important;}
    .pc{display: none}
    .box-demo{
        background: #aaa !important;
    }
    .box-1,.box-4{
        width: 100%;
        margin: 0 !important;
        padding: 20px;
    }
    .container{
        width: 100%;
        padding: 0;
    }
    .box-1 h2,.box-4 h2{
        font-size: 1.8rem;
        width: 100%;
    }
    .box-1 h3{
        font-size: 1.6rem;
        width: 100%;
    }
    .box-2 h2{
        font-size: 1.5rem;
    }
    .box-4 h3{
        font-size: 1.4rem;
        text-align: left;
    }
}
.img-box img{
    max-height: 280px;
}