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

.banner img {
    display: block;
    width: 100%;
}

.p-nav {
    padding: 30px;
    box-sizing: border-box;
    width: 28%;
    margin-right: 2%;
    margin-top: 30px;
    box-shadow: 1px 1px 2px 1px rgba(0, 0, 0, 0.1);
    background-color: #f0f0f0;

}

.main-title {
    color: #08619f;

    font-size: 25px;
    text-align: center;
}

.p-nav .u1 {
    margin-top: 30px;
}

.p-nav ul .ul-li1 {

    position: relative;
    border-bottom: 1px solid #ccc;

}

.p-nav ul .ul-li1 .a1:hover {
	opacity: 1;
	color: #08619f;
}
.p-nav ul .ul-li1.active .a1{
	opacity: 1;
	color: #08619f;
}
.p-nav ul .ul-li1 .a1 {
	height: 60px;
	line-height: 60px;
	font-size: 18px;
	font-weight: 500;
	text-align: center;
	color: #000;
	opacity: 0.5;
}
.p-nav ul .ul-li1 ul {
    display: none;
    padding-bottom: 30px;
}

.p-nav ul .ul-li1 ul .ul-li2 {
    margin-top: 20px;

}

.p-nav ul .ul-li1 ul .ul-li2 a {
    color: #959595;
    font-size: 14px;

}

.p-nav ul .ul-li1 ul .ul-li2 a:hover {
    color: #0080ca;
}

.p-nav ul .ul-li1 ul .ul-li2:nth-child(1) {
    margin-top: 0;
}

.p-nav ul li a {
    color: #000;

}

.icon-p {
    cursor: pointer;
    position: absolute;
    right: 0;
    top: 20px;
    width: 20px;
    height: 20px;
    background: url(../images/icon/xiajiantou_1.png);
    background-size: 100%;

}

.icon-p.icon_target {
    background: url(../images/icon/shangjiantou_1.png);
    background-size: 100%;
}

.p-nav ul .ul-li1 ul .ul-li2 {

    position: relative;
}

.p-nav ul .ul-li1 ul .ul-li2 span {
    position: absolute;
    background: url(../images/icon/xiajiantou.png);
    background-size: 100%;
    width: 20px;
    height: 20px;
    right: 0;
    top: 0;
    cursor: pointer;
}

.p-nav ul .ul-li1 ul .ul-li2 span.icon_span {
    background: url(../images/icon/shangjiantou.png);
    background-size: 100%;
}

.p-nav ul .ul-li1 ul .ul-li2 ul li {
    margin-top: 10px;
    /* background-color: rgba(0, 0, 0, 0.1); */
}

.p-nav ul .ul-li1 ul .ul-li2 ul {
    padding-bottom: 0;
}

.p-nav ul .ul-li1 ul .ul-li2 ul li a {
    color: #959595;
    font-size: 12px;
}

.p-nav ul .ul-li1 ul .ul-li2 ul li a:hover {
    color: #0080ca;
}

.case {
    padding-top: 30px;
    width: 70%;

}

.case ul {
    display: flex;
    display: -webkit-flex;
    /* Safari */
    justify-content: space-between;
    flex-wrap: wrap;
}

.case ul li {
    padding-bottom: 20px;
    width: 23%;
    margin: 1%;
    margin-top: 20px;
    box-shadow: 1px 1px 2px 1px rgba(0, 0, 0, 0.3);
    background-color: #f9f9f9;
}

.case ul li a {
	color: #000;
	transition: all 0.6s;
}

.case ul li:hover a {
    color: #0080ca;
}
.pic_img {
    overflow: hidden;

}


.case ul li img {
    width: 100%;
    transition: all 0.6s;
}

.case ul li:hover img {
    transform: scale(1.05);
}
.case ul li .text {
    padding: 0 20px;
}

.case ul li p {
    margin-top: 20px;
    line-height: 27px;
}

.case ul li i {
    margin-top: 20px;
    display: block;
    width: 40px;
    height: 1px;
	background-color: #ccc;
	transition: all 0.6s;
}

.case ul li:hover i {
	background-color: #0080ca;
}



@media screen and (max-width: 1450px) {
    .main .container {
        width: 1200px;
    }

}

@media screen and (max-width: 1250px) {
    .main .container {
        width: 1000px;
    }


}

@media screen and (max-width: 1050px) {

    .main .container {
        width: 100%;
        box-sizing: border-box;
        padding: 0 20px;
        background-color: #FFFFFF;
    }


}

@media screen and (max-width: 800px) {


    .p-nav ul {
        width: 100%;
        float: none;
    }

    .case ul li {
        width: 49%;
        margin: 0;
        margin-top: 10px;
        margin-right: 2%;
        float: left;
        box-sizing: border-box;
    }

    .case ul li:nth-child(2n) {
        margin-right: 0;
    }

    .case {
        padding-top: 20px;
    }

    .p-nav ul li:hover a {
        border-bottom: none;
    }

    .p-nav .u1 {
        display: none;
    }

    .case {
        width: 100%;
    }


}