.contact_top {width: 100%;background: #f4f4f4;}
.contact_top .contact_top_content {width: 1200px;margin: 0 auto;overflow: hidden;}
.contact_top .contact_top_left {width: 50%;float:left;}
.contact_top .contact_top_right {width: 50%;height: 100%;float:left;}
.contact_top .contact_us {width: 300px;height: 400px;margin: 150px auto 0;}
.contact_top .us_title {width: 100%;height: 40px;line-height: 40px;font-size: 30px;color:#444;font-weight: 700;}
.contact_top .us_title_en {width: 100%;height: 20px;line-height: 20px;font-size: 14px;color:#BFBFBF;font-weight: 700;}
.contact_top .us_title_line {width: 100%;height: 80px;background: url("../../images/contact_line.png") center no-repeat;background-size: 100%;}
.contact_top .us_mobile {width: 100%;height: 75px;box-sizing: border-box;padding:10px 0 0 64px;background: url("../../images/contact_mobile.png") 0 10px no-repeat;background-size: 45px;}
.contact_top .us_email {width: 100%;height: 75px;box-sizing: border-box;padding:10px 0 0 64px;background: url("../../images/contact_eamil.png") 0 10px no-repeat;background-size: 45px;}
.contact_top .us_address {width: 100%;height: 75px;box-sizing: border-box;padding:10px 0 0 64px;background: url("../../images/contact_address.png") 0 10px no-repeat;background-size: 45px;}
.contact_top .us_text {width: 100%;line-height: 22px;font-size: 16px;color:#666;}

.contact_bot {width: 100%;height: 675px;background: url("../../images/contact_bj.jpg") center center no-repeat;background-size: 1920px 675px;}
.contact_bot .contact_bot_content {width: 600px;height: 675px;margin: 0 auto;box-sizing: border-box;padding-top: 85px;}
.contact_bot .bot_title {width: 100%;height: 40px;line-height: 40px;text-align: center;font-size: 30px;color:#fff;font-weight: 600;}
.contact_bot .bot_title_en {width: 100%;height: 30px;line-height: 30px;text-align: center;font-size: 14px;color:#fff;}
.contact_bot .bot_title_line {width: 100%;height: 70px;background: url("../../images/contact_line2.png") center no-repeat;background-size: 300px;}
.contact_bot .bot_online {width: 100%;line-height: 50px;font-size: 18px;color:#fff;}
.contact_bot .bot_li {width: 100%;height: 46px;margin-bottom: 18px;}
.contact_bot .bot_li_l {width: 46%;height: 46px;float: left;border-radius: 5px;background: #fff;padding-left: 16px;box-sizing: border-box;}
.contact_bot .bot_li_r {width: 46%;height: 46px;float: right;border-radius: 5px;background: #fff;padding-left: 16px;box-sizing: border-box;}
.contact_bot .bot_li_input {width: 100%;height: 30px;margin: 8px 0;border: 0;outline: none;}
.contact_bot .bot_li_text {width: 100%;height: 150px;border-radius: 5px;padding: 16px;box-sizing: border-box;resize: none;margin-bottom: 18px;}
.contact_bot .bot_li_btn {width: 100px;height: 46px;line-height: 46px;font-size: 18px;color:#fff;background: #0e519d;border-radius: 5px;text-align: center;}

::-webkit-input-placeholder {color:#ccc;}
:-moz-placeholder {color:#ccc;}
::-moz-placeholder {color:#ccc;}
:-ms-input-placeholder {color:#ccc;}
@media screen and  (min-width: 1201px){
    .contact_top .contact_top_left {padding-top: 70px;box-sizing: border-box;height: 635px;}
}


@media screen and  (min-width: 768px) and (max-width: 1200px){
    .contact_top .contact_top_content {width: 100%;}
    .contact_top .contact_top_left {height: auto;margin-top: 10px;}
    .contact_top .contact_us {margin: 10px auto 0;}
}
@media screen and  (min-width: 640px) and (max-width: 767px){
    .contact_top .contact_top_content {width: 100%;}
    .contact_top .contact_top_left {width: 60%;margin: 10px auto 0;min-width: 300px;float: none;}
    .contact_top .contact_top_right {width: 100%;}
    .contact_top .contact_us {margin: 10px auto 0;}
    .contact_bot .contact_bot_content {width: 80%;}
}
@media  screen and (min-width: 320px) and (max-width: 639px){
    .contact_top .contact_top_content {width: 100%;}
    .contact_top .contact_top_left {width: 80%;margin: 10px auto 0;min-width: 300px;float: none;}
    .contact_top .contact_top_right {width: 100%;}
    .contact_top .contact_us {margin: 10px auto 0;}
    .contact_bot .contact_bot_content {width: 80%;min-width: 300px;}
    .contact_bot .bot_title {font-size: 24px;}
}