.main_content {
    padding: .92rem 0 0;
}

.msgH {
    font-size: .26rem !important;
}

/* 报价按钮 */
.quoteBtn {
    width: 3.5rem;
    height: .8rem;
    line-height: .8rem;
    color: #fff;
    font-size: .3rem;
    font-family: pb;
    cursor: pointer;
    border-radius: .15rem;
    text-align: center;
    margin: .2rem auto 0;
}

.product_banner {
    width: 100%;
    height: 12rem;
    background: url(../img/ReverseCirculationDrillingRig-yd-banner.jpg) no-repeat center center;
    background-size: contain;
    position: relative;
}

.product_banner .quoteBtn {
    width: 3rem;
    position: absolute;
    top: 47%;
    left: 5%;
}

.product_introduction {
    width: 100%;
}

.product_introduction .introduction_content {
    width: 7rem;
    margin: 0 auto;
    padding: .6rem 0;
}

.product_introduction .introduction_L {
    width: 100%;
    height: 5.5rem;
}

.product_introduction .introduction_R {
    margin-top: .4rem;
}

.product_introduction .titleH {
    color: #192a39;
}

.product_introduction .titleHB {
    font-size: .26rem;
    color: #2c2c2c;
}

.product_introduction .titleH,
.product_introduction .msgH {
    text-align: left;
}

.product_introduction .quoteBtn {
    width: 2.5rem;
    background-color: #0b1d4b;
    margin: .4rem 0 0;
}

.product_model {
    width: 100%;
    background-color: #0b1d4b;
    padding: .6rem 0 .8rem;
}

.product_model .model_content {
    width: 7rem;
    margin: 0 auto;
    padding: 0;
}

.product_model .model_content .titleH {
    color: #fff;
}

.product_model .product_grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: .4rem;
}

.product_model .product_card {
    background-color: #fff;
    border-radius: .15rem;
    box-shadow: 0 .04rem .15rem rgba(0, 0, 0, 0.08);
    padding: .4rem;
    display: flex;
    flex-direction: column;
}

.product_model .product_image {
    width: 100%;
    height: 4rem;
    margin-bottom: .3rem;
    border-radius: .1rem;
}

.product_model .product_image img {
    width: 100%;
    height: 100%;
    object-fit: contain;
}

.product_model .product_title {
    font-size: .36rem;
    font-family: pb;
    color: #334756;
    margin-bottom: .15rem;
}

.product_model .product_subtitle {
    font-size: .26rem;
    font-family: pr;
    color: #252525;
}

.product_model .product_specs {
    width: 100%;
    padding-top: .3rem;
}

.product_model .specs_more {
    width: 100%;
    border-top: .01rem solid #eee;
    display: none;
}

.product_model .product_card.expanded .specs_more {
    display: block;
}

.product_model .spec_row {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: .2rem 0;
    border-bottom: .01rem solid #d8d7d7;
}

.product_model .spec_row:last-child {
    border-bottom: none;
}

.product_model .spec_label {
    font-size: .26rem;
    font-family: pr;
    color: #334756;
    flex: 1;
    text-align: left;
}

.product_model .spec_value {
    font-size: .26rem;
    font-family: pr;
    color: #334756;
    font-weight: 600;
    text-align: right;
}

.product_model .show_more_btn {
    padding: .2rem 0;
    background: none;
    border: none;
    cursor: pointer;
    display: flex;
    align-items: center;
    gap: .1rem;
    font-size: .26rem;
    font-family: pr;
    color: #64747f;
    transition: all 0.3s ease;
}

.product_model .show_more_btn:hover {
    color: #0b1d4b;
}

.product_model .btn_icon {
    font-size: .18rem;
    transition: transform 0.3s ease;
}

.product_model .quoteBtn {
    width: 3rem;
    background-color: #0b1d4b;
}

.product_advantages {
    width: 100%;
}

.product_advantages .advantages_content {
    width: 7rem;
    margin: 0 auto;
    padding: .6rem 0;
}

.product_advantages .titleH {
    color: #192a39;
}

.product_advantages .advantages_ul {
    width: 100%;
    margin-top: .4rem;
}

.product_advantages .advantages_li {
    width: 100%;
    border: .01rem solid #0b1d4b;
    border-radius: .2rem;
    overflow: hidden;
    margin-bottom: .4rem;
    padding-bottom: .4rem;
}

.product_advantages .advantages_liImg {
    width: 100%;
    height: 4rem;
    overflow: hidden;
}

.product_advantages .advantages_liImg img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.3s ease;
}

.product_advantages .advantages_liImg img:hover {
    transform: scale(1.05);
}

.product_advantages .advantages_li .titleH {
    font-size: .34rem;
    color: #0b1d4b;
    margin: .4rem auto;
}

.product_advantages .advantages_li .msgH {
    margin: 0 .2rem;
}

.client_case {
    width: 100%;
    background-color: #0b1d4b;
}

.client_case .client_content {
    width: 7rem;
    margin: 0 auto;
    padding: .6rem 0;
}

.client_case .titleH,
.client_case .msgH {
    color: #fff;
}

.client_case .client_ul {
    width: 100%;
    margin-top: .4rem;
}

.client_case .client_L {
    width: 100%;
    height: 5.8rem;
    overflow: hidden;
    margin-bottom: .2rem;
}

.client_case .client_L img,
.client_case .client_RImg img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.3s ease;
}

.client_case .client_L img:hover,
.client_case .client_RImg img:hover {
    transform: scale(1.05);
}

.client_case .client_R {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: .2rem;
}

.client_case .client_RImg {
    width: 100%;
    height: 2.2rem;
    overflow: hidden;
}

.service_box {
    width: 100%;
}

.service_box .service_content {
    width: 7rem;
    margin: 0 auto;
    padding: .6rem 0;
    gap: .2rem;
}

.service_box .service_L {
    width: 100%;
    margin-bottom: .4rem;
}

.service_box .service_L .titleH {
    color: #0b1d4b;
    text-align: left;
}

.service_box .service_L .msgH {
    color: #7e7e7e;
    text-align: left;
    margin-bottom: .4rem;
}

.service_box .service_LImg {
    width: 100%;
    height: 4.5rem;
    overflow: hidden;
    margin-top: .2rem;
}

.service_box .service_LImg img,
.service_box .service_RLiImg img {
    width: 100%;
    height: 100%;
    object-fit: contain;
    transition: transform 0.3s ease;
}

.service_box .service_LImg img:hover,
.service_box .service_RLiImg img:hover {
    transform: scale(1.05);
}

.service_box .service_R {
    width: 100%;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: .2rem;
}

.service_box .service_RLi {
    width: 100%;
    border: .01rem solid rgba(0, 0, 0, 0.05);
    border-radius: .1rem;
    padding: .4rem .2rem;
    box-shadow: 0 .02rem .5rem rgba(0, 0, 0, 0.05);
}

.service_box .service_RLiImg {
    width: .8rem;
    height: .8rem;
    margin: 0 auto;
}

.service_box .service_RLi .titleH {
    color: #353535;
    font-size: .3rem;
    margin: .4rem auto;
}

.service_box .service_RLi .msgH {
    color: #7e7e7e;
}

.why_choose {
    width: 100%;
    background-color: #0b1d4b;
}

.why_choose .choose_content {
    width: 7rem;
    margin: 0 auto;
    padding: .6rem 0 .4rem;
}

.why_choose .titleH,
.why_choose .msgH {
    color: #fff;
}

.why_choose .choose_ul {
    width: 100%;
    margin-top: .4rem;
}

.why_choose .choose_li {
    width: 100%;
    padding: .6rem .4rem;
    border: .02rem solid #c8d5dc;
    border-radius: .25rem;
    transition: transform 0.3s ease;
    margin-bottom: .4rem;
    background-color: #fff;
}

.why_choose .choose_li:hover {
    transform: translateY(-0.1rem);
}

.why_choose .choose_li img {
    width: 1rem;
    height: 1rem;
    display: block;
    margin-bottom: .4rem;
    object-fit: contain;
    margin-left: 2.5rem;

}

.why_choose .choose_liTitle {
    font-size: .34rem;
    font-family: pb;
    line-height: 1.5;
    color: #353535;
    margin: .3rem 0 .2rem;
    text-align: center;
}

.why_choose .choose_liMsg {
    font-size: .26rem;
    font-family: pr;
    line-height: 1.5;
    color: #919191;
    text-align: center;
}

.questions_box {
    width: 100%;
}

.questions_box .questions_content {
    width: 7rem;
    margin: 0 auto;
    padding: .6rem 0;
}

.questions_box .titleH {
    color: #0b1d4b;
}

.questions_box .faq_list {
    margin-top: .4rem;
}

.questions_box .faq_item {
    margin-bottom: .2rem;
}

.questions_box .faq_question {
    background-color: #fff;
    border: .01rem solid #d6d6d6;
    border-radius: .05rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: .3rem;
    cursor: pointer;
    transition: background 0.3s cubic-bezier(0.4, 0, 0.2, 1), margin 0.3s cubic-bezier(0.4, 0, 0.2, 1), padding 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.questions_box .faq_item.active .faq_question {
    padding: .3rem;
}

.questions_box .faq_item.active .faq_icon::before,
.questions_box .faq_item.active .faq_icon::after {
    background-color: #072635;
}

.questions_box .faq_num {
    display: inline-block;
    color: #fff;
    font-size: .26rem;
    background-color: #00134c;
    width: .6rem;
    height: .6rem;
    line-height: .6rem;
    border-radius: 50%;
    text-align: center;
    margin-right: .2rem;
}

.questions_box .faq_q {
    flex: 1;
    font-size: .28rem;
    font-family: pb;
    color: #072635;
    padding-right: .3rem;
    transition: color 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.questions_box .faq_icon {
    position: relative;
    width: .24rem;
    height: .24rem;
    flex-shrink: 0;
}

.questions_box .faq_icon::before,
.questions_box .faq_icon::after {
    content: '';
    position: absolute;
    background: #072635;
    transition: transform 0.3s cubic-bezier(0.4, 0, 0.2, 1), background 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.questions_box .faq_icon::before {
    top: 50%;
    left: 0;
    width: 100%;
    height: 2px;
    transform: translateY(-50%);
}

.questions_box .faq_icon::after {
    top: 0;
    left: 50%;
    width: 2px;
    height: 100%;
    transform: translateX(-50%);
}

.questions_box .faq_item.active .faq_icon::after {
    transform: translateX(-50%) rotate(90deg);
}

.questions_box .faq_answer {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

.questions_box .faq_item.active .faq_answer {
    max-height: 10rem;
}

.questions_box .faq_a {
    font-size: .26rem;
    font-family: pr;
    line-height: 1.8;
    color: #666;
    padding: .3rem;
    background-color: #f7f9fa;
}

.online_box {
    width: 100%;
    background-color: #26355b;
    padding: .6rem 0;
}

.online_box .online_content {
    width: 7rem;
    margin: 0 auto;
    padding: .6rem;
    background-color: #fff;
    border-radius: .3rem;
    margin-top: .4rem;
}

.online_box .titleH,
.online_box .msgH {
    color: #fff;
}

.online_box .online_content .titleH {
    color: #000;
    margin-bottom: .2rem;
    font-size: .36rem;
}

.online_box .online_content .msgH {
    color: #666;
    margin-bottom: .5rem;
    font-size: .28rem;
}

.online_box .online_form {
    display: flex;
    flex-direction: column;
}

.online_box .form_row {
    display: flex;
    flex-direction: column;
}

.online_box .form_group {
    width: 100%;
    position: relative;
    margin-top: -.2rem;
}

.online_box .form_row .form_iconWhat {
    width: .45rem;
    height: .4rem;
    object-fit: contain;
}

.online_box .form_icon {
    position: absolute;
    left: .25rem;
    top: 55%;
    width: .35rem;
    height: .35rem;
    object-fit: contain;
    z-index: 1;
}

.online_box .form_iconR {
    top: 35%;
}

.online_box .form_input {
    width: 100%;
    padding: .3rem .35rem .3rem .8rem;
    border: .02rem solid #e0e0e0;
    border-radius: .2rem;
    font-size: .3rem;
    color: #333;
    background-color: #fafafa;
    outline: none;
    box-sizing: border-box;
}

.online_box .form_textarea_group {
    width: 100%;
}

.online_box .form_textarea {
    width: 100%;
    height: 2rem;
    padding: .3rem .35rem .3rem .8rem;
    border: .02rem solid #e0e0e0;
    border-radius: .2rem;
    font-size: .3rem;
    color: #333;
    background-color: #fafafa;
    outline: none;
    resize: none;
    font-family: inherit;
    box-sizing: border-box;
    margin-top: .6rem;
}

.online_box .quoteBtn {
    background-color: #da3a29;
    font-size: .32rem;
}

.online_box .form_input::placeholder,
.online_box .form_textarea::placeholder {
    font-size: .3rem;
    color: #999;
}