html,
body {
    font-size: 18px;
    overflow-x: clip;
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, "Noto Sans", sans-serif, "Apple Color Emoji", "Segoe UI Emoji", "Segoe UI Symbol", "Noto Color Emoji";
    margin: 0;
    padding: 0;
    background-color: #f3f3f3;
}

a {
    color: #2d2e2f;
    outline: none;
    text-decoration: none;
}

a:link {
    text-decoration: none;
}

a:visited {
    text-decoration: none;
}

a:hover {
    text-decoration: none;
}

a:active {
    text-decoration: none;
}

a:focus {
    text-decoration: none;
}

.nav_item .nav_con {
    top: 70px !important;
}

/* =================================================== */
/* .banner-nav {
    margin-top: unset;
    background-color: unset;
} */
.banner-nav ul li {
    margin: 0 auto !important;
}
.banner-nav ul li:nth-child(1) {
    color: #fff;
    margin-top: 2px;
    border-bottom: 2px solid #fff;
}
.wrapper {
    background: url(../img/contact-bg.jpg) no-repeat;
    background-size: cover;
}
.co-banner-bottom{
    margin: 0 auto;
    width: 1200px;
    display: flex;
    flex-direction: column;
    padding: 5% 10%;
    box-sizing: border-box;
    background-color: #fff;
    border-radius: 4px;
} 
.co-banner-bottom>div{
    margin: 20px 0;
}
.co-banner-bottom>div:nth-child(1){
    position: relative;
    width: 100%;
    text-align: center;
}
.co-banner-bottom>div:nth-child(1) p {
    position: relative;
    font-size: 24px;
    color: #1c4698;
    font-weight: bold;
}
.co-banner-bottom>div:nth-child(1) div {
    position: relative;
    top: 165px;
    left: 135px;
    width: 64px;
    height: 2px;
    background-color: #0047a2;
    margin-bottom: 35px;
}
.co-banner-bottom>div:nth-child(2){
    width: 100%;
}
.form-title {
    border-bottom: 1px dotted #0047a2;
    color: #1c4698;
    font-weight: bold;
}
.form-title p {
    margin: 70px 0 20px 0;
}
.form-title:nth-child(1) p {
    margin: 30px 0 20px 0;
}
.liuyan_info{
    display: flex;
    margin-top: 47px;
    position: relative;
    flex-direction: row;
    justify-content: space-between;
}
.liuyan_info:last-child {
    justify-content: center;
}
.liuyan_info p label {
    width: 40%;
}
.liuyan_info p{
    display: flex;
    color: #606060;
    flex-direction: row;
    justify-content: space-between;
    flex-wrap: wrap;
    flex: 1;
    align-items: center;
}
.liuyan_info p:nth-child(1) {
    margin-right: 40px;
}
.liuyan_info p:nth-child(2) {
    margin-left: 40px;
}
.liuyan_info p select {
    height: 40px;
    font-size: 16px;
    color: #666;
    background-color: #e3ecfe;
    border-radius: 4px;
    width: 60%;
    padding: 4px 10px;
    box-sizing: border-box;
}
.liuyan_info input{
    height: 40px;
    font-size: 16px;
    color: #666;
    background-color: #e3ecfe;
    border-radius: 4px;
    width: 60%;
    padding: 4px 10px;
    box-sizing: border-box;
}
.liuyan_info .code-box {
    width: 280px;
    display: flex;
}
.liuyan_info .code {
    width: 140px;
    height: 43px;
}
.liuyan_content {
    margin-right: 0 !important;
}
.liuyan_info textarea {
    width: 100%;
    height: 350px;
    font-size: 16px;
    color: #666;
    background-color: #e3ecfe;
    border-radius: 4px;
    padding: 10px;
    resize: none;
}
.liuyan_info .error {
	color:#4415f5;
}

.yanzhengma label{
    height: 54px;
    line-height: 54px;
}
.yanzhengma{
    display: flex;
    justify-content: space-between;
}
.yanzhengma img{
    margin-left: 28px;
}
.liuyan_info .submit {
    color: #fff !important;
    border: 0px solid #0048a294;
    border-radius: 5px;
    width: 160px;
    height: 40px;
    background-color: #0048a2;
}
.liuyan_info .submit:hover {
    border: 5px solid #0048a294;
}

@media screen and (max-width: 900px) {
    .wrapper {
        background-size: cover;
    }
    .co-banner-bottom {
        width: 96%;
        height: auto;
        flex-direction: column;
        padding: 20px 20px;
        border-radius: 20px;
        background-size: cover;
        margin: 20px auto 40px auto;
    }
    .co-banner-bottom>div:nth-child(1) {
        width: 100%;
        height: 32px;
    }
    .co-banner-bottom>div:nth-child(1) div {
        top: unset;
        left: unset;
        text-align: center;
        position: relative;
        margin: 0 auto;
        height: 3px;
    }
    .co-banner-bottom>div:nth-child(2) {
        width: 100%;
    }
    .co-banner-bottom>div:nth-child(2) form {
        display: flex;
        flex-direction: column;
    }
    .banner-nav ul li {
        margin: unset !important;
    }
    .liuyan_info {
        margin-left: unset;
        flex-direction: column;
        flex-wrap: nowrap;
        justify-content: space-between;
    }
    .liuyan_info p {
        margin-right: unset !important;
        margin-left: unset !important;
        margin-top: 10px;
        width: 100%;
    }
    .liuyan_info p label {
        width: 40%;
    }
    .liuyan_info input,.liuyan_info p select {
        width: 56%;
    }
    .liuyan_info .code-box {
        width: 268px;
        justify-content: space-between;
    }
    #content {
        width: 100%;
    }
    .co-banner-bottom>div:nth-child(2) form .liuyan_info:nth-child(4) {
        display: flex;
        width: 100%;
        flex-direction: row;
    }
    .co-banner-bottom>div:nth-child(2) form .liuyan_info:nth-child(3) p {    
        width: 100%;
    }
    .yanzhengma img {
        margin: unset;
    }
    .co-banner-bottom>div:nth-child(2) form .liuyan_info:nth-child(4) p:nth-child(2) { 
        align-items: start;
        position: relative;
        justify-content: flex-end;
        align-content: flex-end;
        flex-wrap: wrap;
    }
    .submit {
        position: relative;
        left: 0;
        top: 0;
    }

}