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

/* 报价按钮 */
.quoteBtn {
    width: 3rem;
    height: .6rem;
    line-height: .6rem;
    color: #fff;
    font-size: .22rem;
    font-family: pb;
    cursor: pointer;
    border-radius: .4rem;
    text-align: center;
    margin: .2rem auto 0;
}

.product_banner {
    width: 100%;
    height: 8.5rem;
    background: url(../img/PileDriver-banner.jpg) no-repeat center center;
    background-size: contain;
    position: relative;
}

.product_banner .quoteBtn {
    width: 3.5rem;
    height: .8rem;
    position: absolute;
    top: 65.5%;
    left: 41%;
}

.product_model {
    width: 100%;
}

.product_model .model_content {
    width: 15rem;
    margin: 0 auto;
    padding: .6rem 0 .8rem;
}

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

.product_model .model_liImg {
    width: 100%;
    height: 7rem;
    overflow: hidden;
}

.product_model .model_liImg img {
    width: 100%;
    height: 100%;
    object-fit: contain;
    transition: transform 0.3s ease;
}

.product_model .model_liImg img:hover {
    transform: scale(1.05);
}

.product_model .model_li .titleH {
    font-size: .26rem;
    margin: .2rem auto;
}

.product_model .model_li .msgH {
    width: 66%;
    margin: 0 auto;
}

.product_model .model_li .quoteBtn {
    background-color: #0b1d4b;
    margin: .4rem auto 0;
}

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

.hot_sell .hot_content {
    width: 15rem;
    margin: 0 auto;
    padding: .6rem 0;
}

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

.hot_sell .titleH {
    width: 55%;
    margin: 0 auto .2rem;
}

.hot_sell .hot_ul {
    width: 100%;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: .2rem;
    align-items: center;
    margin-top: .4rem;
}

.hot_sell .hot_L {
    width: 100%;
    height: 6.5rem;
    overflow: hidden;
}

.hot_sell .hot_L img {
    width: 100%;
    height: 100%;
    object-fit: contain;
    transition: transform 0.3s ease;
}

.hot_sell .hot_L img:hover {
    transform: scale(1.05);
}

.hot_sell .hot_R .titleH {
    width: 100%;
    text-align: left;
    font-size: .3rem;
}

.hot_sell .hot_R .msgH {
    text-align: left;
    margin-bottom: .2rem;
}

.hot_sell .hot_R .msgHB {
    margin-bottom: .6rem;
}

.technical_parameters {
    width: 100%;
}

.technical_parameters .parameters_content {
    width: 100%;
    margin: 0 auto;
    padding: .6rem 0;
}

.technical_parameters .parameters_ul {
    width: 100%;
    display: flex;
    justify-content: space-between;
    margin-top: .4rem;
}

.technical_parameters .parameters_L {
    width: 14rem;
    display: grid;
    grid-template-columns: 1fr 1fr 1fr 1fr;
    gap: .2rem;
    padding: .4rem 0 0 .8rem;
}

.technical_parameters .parameters_li h3 {
    font-size: .2rem;
    font-weight: 600;
    color: #000;
    margin-bottom: .3rem;
    padding-bottom: .2rem;
    border-bottom: .03rem solid #000;
    text-transform: uppercase;
}

.technical_parameters .parameters_liItem {
    margin-top: .2rem;
}

.technical_parameters .parameters_liItemMsg {
    font-size: .2rem;
    color: #7a8393;
    font-family: pr;
    margin-bottom: .05rem;
}

.technical_parameters .parameters_liItemNum {
    font-size: .22rem;
    color: #0b1d4b;
    font-family: pb;
    font-weight: 600;
}

.technical_parameters .parameters_R {
    flex: 1;
}

.technical_parameters .parameters_R img {
    width: 100%;
    height: 8.3rem;
    object-fit: contain;
}

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

.product_advantages .advantages_content {
    width: 15rem;
    margin: 0 auto;
    padding: .6rem 0;
}

.product_advantages .advantages_ul {
    width: 100%;
    display: grid;
    grid-template-columns: 1fr 1fr 1fr;
    gap: .2rem;
    margin-top: .4rem;
}

.product_advantages .advantages_li img {
    width: 1rem;
    height: 1rem;
    object-fit: contain;
    margin: 0 auto;
}

.product_advantages .advantages_li .titleH {
    color: #fff;
    text-align: center;
    font-size: .3rem;
    margin: .2rem auto;
}

.product_advantages .advantages_li .msgH {
    color: #fff;
    text-align: center;
}

.video_showcase {
    width: 100%;
}

.video_showcase .video_content {
    width: 15rem;
    margin: 0 auto;
    padding: .6rem 0;
}

.video_showcase .video_ul {
    width: 100%;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: .2rem;
    align-items: center;
}

.video_showcase .video_L .titleH {
    text-align: left;
}

.video_showcase .video_L .msgH {
    text-align: left;
    margin-bottom: .4rem;
}

.video_showcase .video_L .quoteBtn {
    background-color: #0b1d4b;
    border-radius: 0;
    margin: 0;
}

.video_showcase .video_R {
    width: 100%;
    height: 5rem;
    padding-left: .6rem;
}

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

.client_cases .client_content {
    width: 15rem;
    margin: 0 auto;
    padding: .6rem 0;
}

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

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

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

.client_cases .client_T .client_TLi {
    width: 100%;
    height: 2.8rem;
    overflow: hidden;
}

.client_cases .client_T .client_TLi img,
.client_cases .client_B .client_BLi img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.3s ease;
}

.client_cases .client_T .client_TLi img:hover,
.client_cases .client_B .client_BLi img:hover {
    transform: scale(1.05);
}

.client_cases .client_B {
    width: 100%;
    display: grid;
    grid-template-columns: 1fr 1fr 1fr;
    gap: .2rem;
    margin-top: .2rem;
}

.client_cases .client_BLi {
    width: 100%;
    height: 3.8rem;
    overflow: hidden;
}

.ask_anything {
    width: 100%;
    background-color: #f5f5f5;
}

.ask_anything .ask_content {
    width: 15rem;
    margin: 0 auto;
    padding: .6rem 0;
}

.ask_anything .ask_ul {
    width: 100%;
    margin-top: .4rem;
}

.ask_anything .ask_item {
    border: .01rem solid #e5e5e5;
    margin-bottom: .2rem;
}

.ask_anything .ask_question {
    width: 100%;
    padding: .3rem .4rem;
    display: flex;
    align-items: center;
    cursor: pointer;
    background-color: #fff;
    transition: background-color 0.3s ease;
    box-sizing: border-box;
}

.ask_anything .ask_question:hover .ask_icon,
.ask_anything .ask_question:hover .ask_text {
    color: #0b1d4b;
}

.ask_anything .ask_question.active .ask_icon,
.ask_anything .ask_question.active .ask_text {
    color: #0b1d4b;
}

.ask_anything .ask_icon {
    font-size: .28rem;
    color: #333;
    font-weight: bold;
    transition: color 0.3s ease;
    width: .4rem;
    text-align: center;
    margin-right: .1rem;
}

.ask_anything .ask_text {
    flex: 1;
    font-size: .24rem;
    color: #000;
    font-family: pb;
    font-weight: 600;
    text-align: left;
    transition: color 0.3s ease;
}

.ask_anything .ask_answer {
    font-size: .2rem;
    line-height: 1.8;
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.3s ease, padding 0.3s ease;
    background-color: #f7f9fa;
}

.ask_anything .ask_answer.show {
    max-height: 2rem;
    padding: .2rem .4rem;
}

.ask_anything .ask_answer p {
    font-size: .22rem;
    color: #666;
    line-height: 1.6;
    margin: 0;
}

.ask_anything .ask_style {
    color: #0b1d4b;
}

.online_box {
    width: 100%;
    background: url(../img/PileDriver15.jpg) no-repeat center center;
    background-size: cover;
    padding: .6rem 0;
}

.online_box .online_content {
    width: 15rem;
    margin: 0 auto;
    padding: .6rem;
    background-color: #fff;
    border-radius: .2rem;
    margin-top: .4rem;
}

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

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

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

.online_box .online_form {
    display: flex;
    flex-direction: column;
    gap: .3rem;
}

.online_box .form_row {
    display: flex;
    gap: .3rem;
}

.online_box .form_row:nth-child(2) {
    margin: -.6rem 0 .2rem;
}

.online_box .form_row .form_iconWhat {
    width: .35rem;
    height: .35rem;
    object-fit: contain;
}

.online_box .form_group {
    flex: 1;
    position: relative;
}

.online_box .form_icon {
    position: absolute;
    left: .2rem;
    top: 63%;
    width: .28rem;
    height: .28rem;
    object-fit: contain;
    z-index: 1;
}

.online_box .form_iconR {
    top: 17%;
}

.online_box .form_input {
    width: 100%;
    padding: .25rem .3rem .25rem .6rem;
    border: .01rem solid #e0e0e0;
    border-radius: .1rem;
    font-size: .22rem;
    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: 1.5rem;
    padding: .25rem .3rem .25rem .6rem;
    border: .01rem solid #e0e0e0;
    border-radius: .1rem;
    font-size: .22rem;
    color: #333;
    background-color: #fafafa;
    outline: none;
    resize: none;
    font-family: inherit;
    box-sizing: border-box;
}

.online_box .quoteBtn {
    height: .8rem;
    line-height: .8rem;
    background-color: #da3a29;
    font-size: .28rem;
}

.online_box .form_input::placeholder,
.online_box .form_textarea::placeholder {
    font-size: .22rem;
    color: #999;
}