.nav_two {
    z-index: 9;
}

.nav_two .searc input {
    outline: none;
    border: 1px solid;
    margin-left: 5px;
    padding-left: 5px;
    padding-top: 5px;
    padding-bottom: 5px;
}

.banner {
    width: 100%;
}

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

.main {
    width: 100%;
    padding-bottom: 100px;

}

.main .w {
    width: 100%;

}

.main .w .show {
    padding-bottom: 60px;
    box-shadow: 0 0 10px #CCCCCC;
}

.main .w .top {
    width: 95%;
    margin: 110px auto 40px auto;
    text-align: center;
    padding-top: 40px;
    padding-bottom: 50px;
    border-bottom: 1px solid #CCCCCC;
}

.main .w .top p {
    font-size: 30px;
    font-weight: 700;
}

.main .w .top span {
    font-size: 14px;
    color: #cbcbcb;
}

.main .w .banner {
    width: 100%;
    padding-left: 10px;
    padding-right: 10px;
}

/* .main .w .banner p {
    font-size: 18px;
    text-indent: 2em;
    font-weight: 700;
} */
/* .main .w .banner span */
.main .w .banner p {
    font-size: 16px;
    display: inline-block;
    text-indent: 2em;
    line-height: 36px;
}

.main .w .banner img {
    display: block;
    width: 100%;
    margin-top: 20px;
    margin-bottom: 20px;
}

.lianjie {
    width: 100%;
    margin-top: 80px;
}

.lianjie:after {
    content: '';
    height: 0;
    display: block;
    visibility: hidden;
    clear: both;
}

.lianjie a {
    display: inline-block;
    font-size: 16px;
    color: #8b8b8b;
}

.lianjie a:nth-child(1) {
    float: left;
}

.lianjie a:nth-child(2) {
    float: right;
}

.lianjie a:hover {
    color: #1d84e4;
}

@media screen and (max-width: 768px) {
    .main .w .top {
        width: 100%;
        text-align: center;
        margin-top: 70px;
        padding-bottom: 30px;
    }

    .main .w .top p {
        font-size: 26px;
    }
}

@media screen and (max-width: 540px) {
    .lianjie a {
        width: 100%;
        text-align: center;
    }

    .main .w .top {
        width: 100%;
        text-align: center;
        margin-top: 50px;
        padding-bottom: 20px;
    }
}