body,html {
    width: 100%;
    min-width: unset;
}
img {
    display: block;
    width: 100%;
}
.wrapper {
    position: relative;
    max-width: 750px;
    width: 100%;
    margin: 0 auto;
}
.wrapper .div_yz {
    padding: 25px 22px;
}

.wrapper .div_yz .tit {
    font-size: 22px;
    margin-bottom: 25px;
    text-align: center;
}

.wrapper .div_yz .in_text {
    box-sizing: border-box;
    padding: 0 20px;
    border:1px solid #cccccc;
    border-radius: 10px;
    width: 100%;
    height: 42px;
    line-height: 42px;
    margin-bottom: 16px;
    background: #f7f7f9;
    font-size: 16px;
    color: #333;
}
.wrapper .div_yz .in_btn {
    display: block;
    width: 100%;
    height:42px;
    line-height: 42px;
    color: #fff;
    text-align: center;
    border-radius: 10px;
    background: #e52125;
    font-size: 16px;
    margin-bottom: 16px;
}

.wrapper .div_text span{
    display: block;
    font-size: 16px;
    color: #333333;
    margin-bottom: 5px;

}
.wrapper .div_text p {
    font-size: 14px;
    line-height: 1.8;
    color: #909091;
}

::-webkit-input-placeholder { /* WebKit, Blink, Edge */
    color:    #c8c7cc;
}
:-moz-placeholder { /* Mozilla Firefox 4 to 18 */
   color:    #c8c7cc;
}
::-moz-placeholder { /* Mozilla Firefox 19+ */
   color:    #c8c7cc;
}
:-ms-input-placeholder { /* Internet Explorer 10-11 */
   color:    #c8c7cc;
}