body,div,dl,dt,dd,ul,ol,li,h1,h2,h3,h4,h5,h6,pre,code,form,fieldset,legend,input,button,textarea,select,option,p,blockquote,th,td{margin:0;padding:0;}
* {outline: 0 none;}
.clearfix:after{content:".";display:block;height:0;clear:both;visibility:hidden;}
ul li{list-style: none;}
a{color:black;outline:0 none;text-decoration: none;cursor:pointer;}
img{border:0;}


/* HarmonyOS Sans SC Bold */
@font-face {
    font-family: 'HarmonyOS_Sans_SC';
    src: url('../font/HARMONYOS_SANS_SC_BOLD.TTF') format('truetype');
    font-weight: 700; /* 标准的Bold样式通常对应700 */
    font-style: normal;
}

/* HarmonyOS Sans SC Regular */
@font-face {
    font-family: 'HarmonyOS_Sans_SC';
    src: url('../font/HARMONYOS_SANS_SC_REGULAR.TTF') format('truetype');
    font-weight: 400; /* Regular样式默认为400 */
    font-style: normal;
}

/* HarmonyOS Sans SC Light */
@font-face {
    font-family: 'HarmonyOS_Sans_SC';
    src: url('../font/HARMONYOS_SANS_SC_LIGHT.TTF') format('truetype');
    font-weight: 300; /* Light样式一般对应300 */
    font-style: normal;
}

body {
    font-family: 'HarmonyOS_Sans_SC', sans-serif;
    font-weight: 400; /* 使用Regular样式 */
}



.wrapper{
    width: 100%;
    margin: 0 auto;
    overflow: hidden;
}
.wrapper_main{
    width: 100%;
    margin: 0 auto;
}


.russiawpc_conter{
    width: 1280px;
    height: auto;
    margin: 0 auto;
    padding-bottom: 480px;
    box-sizing: border-box;
}
.russiawpc_conter .pic_box{
    display: block;
    width: 100%;
    height: auto;
    margin-bottom: 5px;
}
.russiawpc_conter .pic_box img{
    display: block;
    width: 100%;
    height: auto;
}
.russiawpc_conter .pic_box .img_phone{
    display: none;
}

/*russiawpc_message_box*/
.russiawpc_message_wrapper{
    width: 100%;
    height: auto;
    position: fixed;
    left: 0;
    bottom: 0;
    z-index: 99;
    
    transition: all 0.5s;
    
    opacity: 0;
}
.russiawpc_message_active{
    opacity: 1;
}
.russiawpc_message_box{
    max-width: 1280px;
    width: 100%;
    height: auto;
    background: rgba(57,127,213,0.7);
    padding: 35px 5%;
    box-sizing: border-box;
    margin: 0 auto;
}

.online_message_form_box{
    width: 100%;
    height: auto;
    background: rgba(255,255,255,0.85);
    padding: 35px 6%;
    padding-top: 30px;
    box-sizing: border-box;
    border-radius: 20px;
}
.online_message_form_box h2{
    width: 100%;
    height: auto;
    font-size: 36px;
    line-height: 46px;
    color: #397fd5;
    text-align: center;
    font-weight: 700;
    margin-bottom: 30px;
    font-style: italic;
}
.online_message_form_box .item_box{
    float: left;
    width: 29.333333%;
    height: auto;
    position: relative;
    box-sizing: border-box;
    margin: 0 2%;
    margin-bottom: 15px;
}
.online_message_form_box .item_box:nth-child(4){
    width: 96%;
}
.online_message_form_box .item_box label{
    display:block;
    width: 100%;
    height: auto;
    margin-bottom: 5px;
    font-size: 20px;
    color: #397fd5;
    line-height: 30px;
    font-weight: 700;
    text-align: left;
    font-style: italic;
}
.online_message_form_box .item_box input {
    width: 100%;
    height: auto;
    background: #fff;
    padding: 10px 15px;
    box-sizing: border-box;
    font-size: 18px;
    line-height: 24px;
    color: #000;
    font-weight: 500;
    border: 1px solid #666;
    border-radius: 6px;
    font-style: italic;
}
.online_message_form_box .item_box textarea {
    width: 100%;
    height: 42px;
    background: #fff;
    padding: 10px 15px;
    box-sizing: border-box;
    font-size: 18px;
    line-height: 20px;
    color: #000;
    font-weight: 500;
    border: 1px solid #666;
    border-radius: 6px;
    font-style: italic;
}
textarea::placeholder {
    font-family: none;
}
.online_message_form_box .item_btn{
    float: left;
    width: 100%;
    height: auto;
    margin-top: 20px;
}
.online_message_form_box .item_btn .sub {
    display: block;
    width: 200px;
    height: auto;
    padding: 10px;
    box-sizing: border-box;
    background: #397fd5;
    font-size: 22px;
    color: #fff;
    line-height: 30px;
    text-align: center;
    border-radius: 12px;
    font-weight: 500;
    border: none;
    cursor: pointer;
    margin: 0 auto;
}
   
 


@media screen and (max-width: 1200px){
    
    .russiawpc_conter .pic_box .img_phone{
        display: block;
    }
    .russiawpc_conter .pic_box .img_pc{
        display: none;
    }
    
    .russiawpc_conter{
        width: 100%;
        padding-bottom: 300px;
    }
    
    .russiawpc_message_box{
        padding: 6px;
        border-radius: 8px;
    }
    .online_message_form_box {
        padding: 20px 15px;
        padding-bottom: 25px;
        border-radius: 8px;
    }
    .online_message_form_box h2{
        font-size: 20px;
        line-height: 26px;
        margin-bottom: 20px;
    }
    .online_message_form_box .item_box{
        width: 46%;
        margin: 0 2%;
        margin-bottom: 12px;
    }
    .online_message_form_box .item_box label{
        font-size: 13px;
        line-height: 20px;
        margin-bottom: 5px;
    }
    .online_message_form_box .item_box input{
        padding: 8px 12px;
        font-size: 13px;
        line-height: 18px;
        border-radius: 6px;
    }
    .online_message_form_box .item_box:nth-child(4){
        width: 46%;
    }
    .online_message_form_box .item_box textarea{
        height: 100px;
        padding: 10px 15px;
        font-size: 14px;
        line-height: 20px;
        border-radius: 6px;
    }
    .online_message_form_box .item_btn{
        margin-top: 10px;
    }
    .online_message_form_box .item_btn .sub {
        width: 96%;
        padding: 5px;
        font-size: 15px;
        line-height: 30px;
        border-radius: 8px;
    }
    
    
}