.banner-box.contactUs {
    background-image: url(../img/contact_us_bg.jpg);
}
.banner-box {
    height: 760px;
    background-repeat: no-repeat;
    background-size: cover;
    background-position: 50%;
    overflow: hidden;
}
.wrap {
    width: 1200px;
    margin: auto;
}
.banner-box h1 {
    font-size: 75px;
    font-family: SourceHanSansSC-Heavy,SourceHanSansSC;
    font-weight: 700;
    color: #fff;
    line-height: 109px;
    margin-top: 509px
}

.banner-box p {
    font-size: 64px;
    font-family: SourceHanSansSC-Bold,SourceHanSansSC;
    font-weight: 700;
    color: #fff;
    line-height: 92px
}


.contact-us-box .form-box {
    padding: 98px 0 110px
}

.contact-us-box .form-box h2 {
    font-size: 28px;
    font-family: SourceHanSansSC-Bold,SourceHanSansSC;
    font-weight: 700;
    color: #222;
    line-height: 50px;
    margin-bottom: 50px
}

.contact-us-box .form-box .from {
    display: flex;
    position: relative
}

.contact-us-box .form-box .from .left {
    width: 600px;
    position: relative
}


.contact-us-box .form-box .from .left input {
    width: 600px;
    height: 66px;
    background: rgba(238, 242, 255, 0.5);
    border-radius: 4px;
    border: 1px solid #d7d1c9;
    text-indent: 21px;
    margin-bottom: 24px;
    font-size: 21px;
    font-family: SourceHanSansSC-Regular,SourceHanSansSC;
    font-weight: 450;
    color: #333
}

.contact-us-box .form-box .from .left input::-moz-placeholder {
    font-family: SourceHanSansSC-Regular,SourceHanSansSC;
    font-weight: 450;
    color: #999
}

.contact-us-box .form-box .from .left input::placeholder {
    font-family: SourceHanSansSC-Regular,SourceHanSansSC;
    font-weight: 450;
    color: #999
}

.contact-us-box .form-box .from .left input:focus {
    outline: none; /* 移除默认的焦点轮廓 */
    border: 1px solid #007BFF
}

.contact-us-box .form-box .from .left textarea {
    width: 600px;
    height: 152px;
    background: rgba(238, 242, 255, 0.5);
    border-radius: 4px;
    border: 1px solid #d7d1c9;
    text-indent: 21px;
    line-height: 66px;
    font-size: 21px;
    font-family: SourceHanSansSC-Regular,SourceHanSansSC;
    font-weight: 450;
    color: #333;
    outline: none
}

.contact-us-box .form-box .from .left textarea::-moz-placeholder {
    font-family: SourceHanSansSC-Regular,SourceHanSansSC;
    font-weight: 450;
    color: #999
}

.contact-us-box .form-box .from .left textarea::placeholder {
    font-family: SourceHanSansSC-Regular,SourceHanSansSC;
    font-weight: 450;
    color: #999
}

.contact-us-box .form-box .from .left textarea:focus {
    border: 1px solid #007BFF
}

.contact-us-box .form-box .from .left .submit {
    display: none
}

.contact-us-box .form-box .from .right {
    margin-left: 97px
}

.contact-us-box .form-box .from .right .email-item {
    display: flex;
    align-items: center;
    margin-bottom: 36px
}

.contact-us-box .form-box .from .right .email-item img {
    width: 80px;
    height: 80px;
    margin-right: 25px
}

.contact-us-box .form-box .from .right .email-item .name {
    font-size: 16px;
    font-family: SourceHanSansSC-Medium,SourceHanSansSC;
    font-weight: 500;
    color: #333;
    line-height: 26px
}

.contact-us-box .form-box .from .right .email-item .email {
    font-size: 16px;
    font-family: SourceHanSansSC-Medium,SourceHanSansSC;
    font-weight: 500;
    color: #666;
    line-height: 24px;
    margin-top: 4px
}

.contact-us-box .form-box .submit {
    width: 198px;
    height: 56px;
    background: #007BFF;
    border-radius: 8px;
    font-size: 20px;
    font-family: SourceHanSansSC-Bold,SourceHanSansSC;
    font-weight: 700;
    color: #fff;
    line-height: 56px;
    text-align: center;
    margin: 135px auto 0;
    cursor: pointer
}

.contact-us-box .form-box .submit:hover {
    background: #ff984d
}