* {
    padding: 0;
    margin: 0;
}

ul,
li {
    list-style: none;
}

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

h3 {
    font-size: 34px;
    font-weight: bold;
    text-align: center;
}

.mk1 h3,
.mk2 h3 {
    padding-bottom: 7px;
}

h3 span {
    color: #40ae55;
}

a {
    text-decoration: none;
}

p {
    font-size: 18px;
    text-align: center;
}

.zx {
    font-size: 22px;
    width: 400px;
    background: #077ed8;
    margin: auto;
    text-align: center;
    border-radius: 10px;
}

.zx a {
    color: aliceblue;
    display: block;
    padding: 10px 20px;
}

.clear {
    clear: both;
}

.mk1 {
    padding-top: 50px;
}

.mk1 ul {
    width: 1200px;
    margin: auto;
    padding-top: 30px;
}

.mk1 ul li {
    margin-left: 15px;
    float: left;
    margin-top: 15px;
}

.mk1 ul li img {
    display: block;
    width: 100%;
}

.mk1 ul li:nth-of-type(3n+1) {
    margin-left: 0;
}

.text {
    width: 1200px;
    margin: 28px auto;
}

.text a {
    box-sizing: border-box;
    display: inline-block;
    width: 290px;
    font-size: 18px;
    color: #545454;
    border: 1px solid #545454;
    padding: 8px 5px;
    margin-left: 5px;
    text-align: center;
    border-radius: 10px;
}

.text a:hover {
    color: #40ae55;
}

.text a:nth-of-type(1) {
    margin-left: 0;
}

.mk2 {
    margin-top: 50px;
    padding-top: 50px;
    padding-bottom: 50px;
    background: #077ed8;
}

.mk2 h3,
.mk2 p,
.mk2 .text a {
    color: #fff;
}

.mk2 .text a {
    border: 1px solid #fff;
}

.mk2 .zx {
    background: #fff;
}

.mk2 .zx a {
    color: #3d3d3d;
}

.mk2 ul {
    width: 1200px;
    margin: auto;
    padding-top: 30px;
}

.mk2 ul li {
    margin-left: 15px;
    float: left;
    margin-top: 15px;
}

.mk2 ul li img {
    display: block;
    width: 100%;
}

.mk2 ul li:nth-of-type(3n+1) {
    margin-left: 0;
}