html {
    font-size: 12px;
    background-color: #fff;
}

body {
    padding: 0;
    margin: 0;
    overflow-x: hidden;
	font-family: "微软雅黑";
}

.swt {
    width: 1000px;
    margin: 0 auto;
    position: relative;
}

@media (min-width: 300px) {
    body {
        font-size: 1rem;
    }

    .top_menu .right {
        display: none;
    }

    .swt {
        width: 300px;
    }

    .top_menu .log {
        text-align: center;
    }
}

@media (min-width: 600px) {
    body {
        font-size: 1rem;
    }

    .swt {
        width: 600px;
    }

    .top_menu {
        display: block;
    }

    .top_menu .log img {
        width: 64px;
    }

}

@media (min-width: 960px) {
    body {
        font-size: 1.2rem;
    }

    .swt {
        width: 900px;
    }

    .top_menu .log img {
        width: 80px;
    }
}

@media (min-width: 1200px) {
    body {
        font-size: 1.4rem;
    }

    .swt {
        width: 1200px;
    }

    .top_menu .log img {
        width: 90px;
    }
}

ul, li {
    list-style: none;
    padding: 0;
    margin: 0;
}

.top_menu {
    display: flex;
    padding: 30px 0;
    color: #fff;
}

.top_menu a {
    color: #fff;
    text-decoration: none;
}

.top_menu .log {
    flex: 1;
    text-align: left;
}

.top_menu .right {
    flex: 1;
    text-align: right;
    display: block;
}

.top_menu .right ul {
    display: flex;
}

.top_menu .right ul li {
    flex: 1;
    text-align: center;
}

.cnt-1 {
    display: flex;
    padding-bottom: 20px;
}

.cnt-1 .left {
    flex: 2;
}

.cnt-1 .left .title {
    padding-top: 10%;
    color: #fff;
    font-size: 34px;
    letter-spacing: 2px;
}


.cnt-1 .left .codebx {
    padding-top: 14%;
    display: flex;
    /*align-items: center;*/
}

.cnt-1 .left .codebx .c-1 {
    flex: 0 0 205px;
    display: flex;
    flex-wrap: wrap;
    align-content: space-between;
}
.cnt-1 .left .codebx .c-1 span {
    display: inline-block;
    border: 1px dashed transparent;
    padding: 0 1px;
}
.cnt-1 .left .codebx .c-1 img {
    display: block;
    width: 180px;
}

.cnt-1 .left .codebx .c-2 {
    flex: 1 1 auto;
	font-size:0;
}

.cnt-1 .left .codebx .c-2 span {
    display: inline-block;
    border: 1px dashed transparent;
    padding: 4px;
}
.cnt-1 .left .codebx .c-2 img {
    width: 166px;
}

.cnt-1 .right {
    flex: 1;
    text-align: center;
}

.cnt-1 .right img {
    width: 60%;
}

.cnt-2 {
    display: flex;
    padding-top: 20px;
    align-items: center;
}

.cnt-2 .c-2-1, .cnt-2 .c-2-2 {
    flex: 1;
}

.cnt-2 .c-2-1 {
    /*padding: 10% 0;*/
}

.cnt-2 .c-2-1 img {
    width: 60%;
}

.cnt-2 .c-2-2 {
    text-align: right;
}

.cnt-2 .c-2-2 img {
    width: 60%;
    margin-bottom: -5px;
}

.cnt-3 {
    display: flex;
    padding-top: 40px;
    align-items: center;
}

.cnt-3 .c-3-1, .cnt-3 .c-3-2 {
    flex: 1;
}

.cnt-3 .c-3-1 {
    /*padding: 10% 0;*/
}

.cnt-3 .c-3-1 img {
    width: 60%;
    margin-bottom: -5px;
}

.cnt-3 .c-3-2 {
    text-align: right;
}

.cnt-3 .c-3-2 img {
    width: 70%;
    padding: 20% 0;
}

.cnt-3 .c-5-2 img {
    width: 88%;
}

.logo {
    border-radius: 20px;
}