@charset "utf-8";

/* banner */

._about_banner {
    height: 440px;
    background: url('../imgs/about/about-banner.jpg') no-repeat center center / auto 100%;
}

._about_banner_main {
    height: 440px;
}

._about_banner_text {
    margin-left: 25px;
}

._about_banner_text>h3 {
    font-size: 36px;
    font-weight: normal;
    color: #fff;
    line-height: 1;
}

._about_banner_text>h5 {
    font-size: 18px;
    font-weight: normal;
    color: #fff;
    margin-top: 28px;
    line-height: 1;
}

._s_head {
    padding-top: 35px;
    margin-bottom: 100px;
}

._s_head h3 {
    font-size: 40px;
    line-height: 1;
}

._s_head p {
    margin-top: 20px;
    font-size: 18px;
    color: #999;
    line-height: 1;
}

._about_section {
    padding-top: 100px;
    padding-bottom: 90px;
}

._about_section>p {
    font-size: 18px;
    line-height: 40px;
    margin-bottom: 50px;
}


/* 1 */

._about1_right {
    width: 569px;
    height: 670px;
}

._about1_right_top>h3 {
    color: #222;
    font-size: 20px;
    margin-bottom: 30px;
}

._about1_right_top>p {
    font-size: 16px;
    line-height: 36px;
}

._about1_item {
    border: solid #f2f2f2;
    border-width: 1px 0 0 1px;
    flex-wrap: wrap;
}

._about1_item li {
    width: 284px;
    height: 200px;
    border: solid #f2f2f2;
    border-width: 0 1px 1px 0;
    padding: 0 55px;
}

._about1_item li>h4 {
    font-size: 38px;
    color: #d72a2a;
    margin-bottom: 20px;
}

._about1_item li>p {
    font-size: 16px;
    color: #999999;
    line-height: 30px;
    text-align: center;
}


/* 2 */

._about2 {
    background: #f2f2f2;
}

._about2_item {
    margin-bottom: 55px;
}

._about2>img {
    margin: 0 auto;
}


/* adv */

._about_adv {
    height: 345px;
    background: url('../imgs/about/h_bg.jpg') no-repeat center center / auto 100%;
}

._about_adv_main li {
    height: 345px;
}

._about_adv_text {
    margin-bottom: 30px;
}

._about_adv_text strong {
    font-weight: normal;
    font-size: 100px;
    color: #fff;
}

._about_adv_text span {
    font-size: 30px;
    color: #fff;
}

._about_adv_text2 {
    width: 260px;
    height: 50px;
    border: 1px solid #fff;
    font-size: 16px;
    color: #fff;
}


/* 3 */

._about_form {
    padding: 100px 200px;
    background: #f2f2f2;
}

._about_form h3 {
    font-size: 32px;
    color: #222;
    font-weight: normal;
    text-align: center;
}

._about_form p {
    font-size: 16px;
    color: #999;
    margin-top: 30px;
    text-align: center;
}

._form_box {
    margin-top: 60px;
}

._form_input_box {
    margin-bottom: 20px;
}

._ainput {
    width: 390px;
    height: 80px;
    background: #fff;
    border: none;
    padding-left: 25px;
    font-size: 16px;
}

._form_texta {
    margin-bottom: 60px;
}

._atexta {
    width: 800px;
    height: 260px;
    font-family: '微软雅黑';
    font-size: 16px;
    padding: 15px 25px;
    border: none;
    resize: none;
}

._abtn {
    width: 360px;
    height: 80px;
    background: #d72a2a;
    color: #fff;
    font-size: 18px;
    letter-spacing: 2px;
    margin: 0 auto;
    cursor: pointer;
}


/* 4 */

._about4>h4 {
    font-size: 32px;
    text-align: center;
    font-weight: normal;
}

._about4_line {
    margin: 50px auto;
    width: 130px;
    height: 2px;
    background: #d72a2a;
}

._about4>p {
    text-align: center;
    margin-bottom: 5px;
}