.w {
    width: 100%;
    background-color: #fff;
}

.nav {
    width: 100%;
    height: 95px;
    background-color: #100e23;
    border-bottom: 2px solid gray;
}

a {
    text-decoration: none;
    font-size: 18px;
    color: #fff;
}

.aa {
    font-size: 20px;
    color: #20fcd9;
    border-bottom: 5px solid ##20fcd9;
}

.bb {
    font-size: 20px;
    color: #fff;
}

.nav a:hover {
    width: 100px;
    height: 65px;
    color: #20fcd9;
    border-bottom: 5px solid #20fcd9;
}

.nav .logo {
    float: left;
    margin-top: 1px;
    margin-left: 180px;
    width: 213px;
    height: 85px;
}

.nav .dhl {
    float: left;
    margin-left: 100px;
    margin-top: 25px;
}

.shouye {
    float: left;
    margin-top: 20px;
    padding-right: 100px;

}

.success {
    float: left;
    margin-top: 20px;
    padding-right: 100px;
}

.intrduce {
    float: left;
    margin-top: 20px;
    padding-right: 100px;
}

.discover img {
    float: left;
    margin-top: -30px;
    margin-left: 460px;
}

.beijingpic img {
    width: 100%;
    height: 243px;
    margin-top: 0;
}


.wz {
    margin-top: -25px;
    width: 100%;
    height: 420px;
    /* background-color: pink; */
}

.wz h1 {
    display: block;
    padding-top: 50px;
    text-align: center;
    color: black;
}

.wz h4 {
    display: block;
    padding-top: -6px;
    text-align: center;
    font-weight: 400;
    color: gray;
}

.wz .fournumber {
    display: flex;
    margin: 10px auto;
    width: 870px;
    height: 130px;
    /* background-color: chartreuse; */
}

.first {
    flex: 1;
    text-align: center;
    margin-top: -20px;
    /* background: crimson; */
}

.second {
    flex: 1;
    text-align: center;
    margin-top: -20px;
    /* background-color: greenyellow; */
}

.third {
    flex: 1;
    text-align: center;
    margin-top: -20px;
    /* background: crimson; */

}

.foured {
    flex: 1;
    text-align: center;
    margin-top: -20px;
    /* background-color: greenyellow; */
}

.lh {
    width: 100%;
    height: 150px;
    margin-top: -70px;
    background-color: #f4f4f4;
}

.lh .qyjj {
    text-align: center;
    /* height: 170px; */
    padding-top: 35px;
    font-size: 28px;
    font-weight: 700;
    color: black;
}

.lh .wmtg {
    text-align: center;
    /* height: 170px; */
    padding-top: 21px;
    font-size: 14px;
    font-weight: 300;
    color: gray;
}

.tu4 {
    display: flex;
    width: 100%;
    height: 240px;
    /* background-color: yellow; */
}
.tu4 div{
	width:25%;
	margin:2% 2%
}


.dyh {
    text-align: center;
    padding-bottom: 10px;
    font-size: 14px;
    font-weight: 400;
    color: gray;
}

.deh {
    text-align: center;
    padding-bottom: 10px;
    font-size: 14px;
    font-weight: 400;
    color: gray;
}

.dsh {
    text-align: center;
    font-size: 14px;
    font-weight: 400;
    color: gray;
}

.logo {
    width: 100%;
    height: 280px;
    /* background-color: yellow; */
}

.logo img {
    display: block;
    margin: 20px auto;
}

.wuge {
    width: 100%;
    height: 500px;
    margin-top: -180px;
    /* background-color: red; */
}

.tuwuwu {
    display: block;
    width: 60%;
    height: 70%;
    margin: 0 auto;
    margin-top: 150px;
}

/* .diyiline {
    display: flex;
    width: 66%;
    height: 220px;
    margin: 0 auto;
    margin-left: 240px;
    background-color: pink;
} */


/* .diyiline .juxing1 img {
    flex: 1;
    width: 300px;
    height: 220px;
    margin-right: 5px;
} */

/* .diyiline .juxing2 img {
    flex: 1;
    margin-top: 4px;
    width: 300px;
    height: 218px;
    margin-right: 5px;
} */

/* .diyiline .juxing3 img {
    flex: 1;
    margin-top: 10px;
    width: 300px;
    height: 206px;
}

.dierline {
    width: 66%;
    height: 220px;
    margin: 0 auto;
    margin-left: 240px;
} */

/* .dierline .changjuxing1 img {
    float: left;
    width: 520px;
    height: 210px;
    margin-right: 5px;
} */

/* .dierline .changjuxing2 img {
    float: right;
    margin-top: 1px;
    margin-left: -20px;
    width: 390px;
    height: 208px;
    margin-right: 5px;
} */

.dibushanshui {
    width: 100%;
    height: 308px;
    margin-top: -90px;
    /* background-color: yellow; */
}

.dibushanshui img {
    width: 100%;
    height: 50%;
}


/* 最后黑色开始 */

.last {
    width: 100%;
    height: 385px;
    margin-top: -155px;
    background-color: #282828;
    border: 1px solid gray;
}

.hzhb {
    margin-top: 20px;
    margin-left: 224px;
    /* padding-top: -10px; */
    font-size: 20px;
    color: #999999;
}

.tu {
    display: flex;
    width: 60%;
    height: 60px;
    /* background-color: hotpink; */
    margin-left: 210px;
    margin-top: 12px;

}

.tu .tu1 {
    flex: 1;
    margin-right: 20px;
}

.tu .tu2 {
    flex: 1;
    margin-right: 20px;
}

.tu .tu3 {
    flex: 1;
    margin-right: 20px;
}

.tu .tu444 {
    flex: 1;
    margin-right: 20px;
}

.tu .tu5 {
    flex: 1;
    margin-right: 20px;
}

.tu .tu6 {
    flex: 1;
    margin-right: 20px;
}

.last .lxwm {
    margin-top: 10px;
    margin-left: 220px;
    padding-top: 10px;
    font-size: 16px;
    color: #999999;
}

.z {
    margin-top: 20px;
    margin-left: 220px;
    font-size: 20px;
    color: #999999;
}

.z .zyyw {
    margin-bottom: 10px;
    font-size: 16px;
    color: #999999;
}

.dq {
    vertical-align: baseline;
}

.z .lxdh {
    float: left;
    margin-top: 11px;
    margin-bottom: 10px;
    font-size: 16px;
    color: #999999;

}

.z .number {
    float: left;
    margin-bottom: 10px;
    font-size: 30px;
    font-weight: 700;
    color: #999999;
}

.z .gsmc {
    margin-top: 55px;
    font-size: 16px;
    color: #999999;
}

.zz {
    width: 10%;
    height: 170px;
    margin-left: 61%;
    margin-top: -125px;
    /* background-color: hotpink; */
}

.zz .swhz {
    padding-bottom: 5px;
    text-align: center;
    color: gray;
}

.zz .ewm {
    display: block;
    margin: 10px auto;
}

.zzzs {
    display: block;
    width: 100px;
    height: 30px;
    font-size: 16px;
    margin-top: -169px;
    margin-left: 69%;
    text-align: center;
    color: gray;
    /* background-color: hotpink; */
}

.liuliuliu {
    height: 103px;
    margin-top: 3px;
    margin-left: 70%;
    /* background-color: hotpink; */
}

.liuliuliu .one {
    width: 92%;
    height: 50%;
    padding-top: 2px;
    /* background-color: skyblue; */
}


.liuliuliu .one .yyzz {
    float: left;
    width: 65px;
    height: 35px;
    font-size: 10px;
    color: gray;
    font-weight: 300;
    text-align: center;
    padding-top: 2px;
    margin-top: -22px;
    margin-left: 5px;
    border: 1px solid gray;
    /* background-color: yellow; */
}

.liuliuliu .one .gxjsqy {
    float: left;
    width: 65px;
    height: 35px;
    font-size: 10px;
    color: gray;
    font-weight: 300;
    text-align: center;
    padding-top: 2px;
    margin-top: -22px;
    margin-left: 5px;
    border: 1px solid gray;
    /* background-color: yellow; */
}

.liuliuliu .one .icp {
    float: left;
    width: 65px;
    height: 35px;
    font-size: 10px;
    color: gray;
    font-weight: 300;
    text-align: center;
    padding-top: 2px;
    margin-top: -22px;
    margin-left: 5px;
    border: 1px solid gray;
    /* background-color: yellow; */
}

.liuliuliu .twotwotwo .iso {
    float: left;
    width: 65px;
    height: 35px;
    font-size: 10px;
    color: gray;
    font-weight: 300;
    text-align: center;
    padding-top: 2px;
    margin-top: 2px;
    margin-left: 5px;
    border: 1px solid gray;
    /* background-color: yellow; */
}

.liuliuliu .twotwotwo .rjqy {
    float: left;
    width: 65px;
    height: 35px;
    font-size: 10px;
    color: gray;
    font-weight: 300;
    text-align: center;
    padding-top: 2px;
    margin-top: 2px;
    margin-left: 5px;
    border: 1px solid gray;
    /* background-color: yellow; */
}

.liuliuliu .twotwotwo .gzhlw {
    float: left;
    width: 65px;
    height: 35px;
    font-size: 10px;
    color: gray;
    font-weight: 300;
    text-align: center;
    padding-top: 2px;
    margin-top: 2px;
    margin-left: 5px;
    border: 1px solid gray;
    /* background-color: yellow; */
}




/* 最后黑色结束 */


/* 底部最最后开始 */

/* .zhuihou {
    width: 100%;
    height: 100px;
    border-top: 1px solid gray;
    background-color: #282828;
} */


.zuihou .zh .jieshiquan {
    display: block;
    width: 100%;
    height: 100%;
    margin-left: -10px;
    margin-top: -66px;

}


/* 底部最最后结束 */