@charset "utf-8";
/* product-detail.css 产品详情页面独立样式 */
.product-detail-main{
    background:#fafafa;
}
/* banner 690px */
.product-detail-banner{
    width:100%;
    height:690px;
    background:url("../img/xwbanner.jpg") center / cover no-repeat;
    position:relative;
}
.product-detail-banner .banner-inner{
    width:100%;
    height:100%;
    display:flex;
    align-items:center;
}
.product-detail-banner .banner-title{
    font-size:40px;
    font-weight:bold;
    color:#ffffff;
    padding-left:calc((100% - 1400px)/2);
}
.container{
    max-width:1400px;
    margin:0 auto;
    padding-left:20px;
    padding-right:20px;
}
/*面包屑 */
.detail-bread{
    margin-top:15px;
    font-size:16px;
}
.detail-bread .bread-gray{
    color:#cccccc;
}
.detail-bread .bread-active{
    color:#006dc4;
}
/*第一板块两栏布局，距离面包屑95px，列间隔130px */
.detail-info-wrap{
    margin-top:95px;
}
.detail-two-col{
    display:grid;
    grid-template-columns:1fr 1fr;
    column-gap:130px;
}
.detail-main-pic img{
    width:100%;
    height:auto;
    border-radius:8px;
    display:block;
}
/*4张小缩略图，一行4列，间隔20px；距离大图50px */
.detail-thumb-list{
    margin-top:50px;
    display:grid;
    grid-template-columns:repeat(4,1fr);
    gap:20px;
}
.thumb-item img{
    width:100%;
    height:auto;
    border-radius:6px;
    cursor:pointer;
    display:block;
}
/*右侧产品信息 */
.detail-pro-title{
    font-size:30px;
    font-weight:bold;
    color:#0081cc;
    margin:0 0 20px 0;
}
.line-thin-gray{
    width:100%;
    height:1px;
    background-color:#cccccc;
    margin-bottom:30px;
}
.detail-feature-list{
    list-style:none;
    padding:0;
    margin:0 0 80px 0;
}
.detail-feature-list li{
    font-size:16px;
    color:#888;
    margin-bottom:10px;
	background:url(../img/duihao.png) 0 1px no-repeat;
	padding-left:25px;
}
.list-icon{
    display:inline-block;
    width:20px;
    height:20px;
    margin-right:10px;
	background:url(../img/duihao.png) 0 0 no-repeat;
}
/*立即咨询按钮 */
.btn-inquiry{
    display:inline-flex;
    align-items:center;
    gap:8px;
    padding:14px 42px;
    background-color:#0081cc;
    border-radius:999px;
    color:#fff;
    text-decoration:none;
    font-size:16px;
}
a.btn-inquiry{ color:#fff;}
.btn-icon{
    width:20px;
    height:20px;
	display:inline-block;
	background:url(../img/yuanicon.png) 0 0 no-repeat
}
/*设备介绍板块，距离上一板块95px；全屏背景#f8f8f8 */
.detail-desc-wrap{
    margin-top:95px;
    width:100vw;
    margin-left:calc(-50vw + 50%);
    background-color:#f8f8f8;
    padding-top:45px;
    padding-bottom:60px;
}
.detail-inner-1400{
    max-width:1400px;
    margin:0 auto;
    padding-left:20px;
    padding-right:20px;
}
.desc-head .desc-title{
    font-size:18px;
    font-weight:bold;
    color:#222;
    margin:0 0 10px 0;
}
.desc-head .line-thin-gray{
    margin-bottom:10px;
}
.desc-content{
    font-size:16px;
    color:#333;
    line-height:1.8;
}
/* ✅ 详情富文本图片手机自适应，PC完全不受影响 */
.desc-content img{
    max-width:100%;
    height:auto;
}

/*联系表单模块，距离上一板块30px */
.contact-block{
    margin-top:30px;
}
.bottom-gap{
    height:80px;
}
/*联系我们模块*/
.contact-block {
    width:1400px;
    margin:10px auto 0;
    border-radius:12px;
    padding:60px 40px;
}
.contact-head {
    text-align:center;
}
.contact-block h2 {
    font-size:28px;
    font-weight:bold;
    color:#222;
}
.contact-desc {
    margin-top:12px;
    font-size:14px;
    color:#999;
}
.contact-form {
    margin-top:40px;
}
/* ✅ 第一行四栏 */
.form-row-four {
    display:grid;
    grid-template-columns:repeat(4, 1fr);
    gap:24px;
    margin-bottom:24px;
}
.form-row-full {
    margin-bottom:30px;
}
.form-label {
    display:block;
    font-size:14px;
    color:#222;
    margin-bottom:8px;
    text-align:left;
}
.form-item input,
.form-item select {
    width:100%;
    height:46px;
    border:1px solid #dde3ec;
    border-radius:6px;
    padding:0 14px;
    font-size:14px;
    background:#fff;
}
.form-textarea {
    width:100%;
    min-height:140px;
    border:1px solid #dde3ec;
    border-radius:6px;
    padding:14px;
    resize:none;
    font-size:14px;
    background:#fff;
}
.form-btn-wrap {
    text-align:center;
}
.btn-submit {
    padding:14px 48px;
    background:#000;
    color:#fff;
    border:none;
    border-radius:99px;
    cursor:pointer;
    font-size:16px;
}
.bai100{ width:100%; background-color:#fff;}

/*移动端适配，对齐case‑list.css */
@media(max-width:1440px){
    .contact-block{
        width:96%;
    }
    .form-row-four {
        grid-template-columns:repeat(2, 1fr);
    }
}
@media(max-width:1200px){
    .detail-two-col{
        grid-template-columns:1fr;
        row-gap:40px;
    }
}
@media(max-width:768px){
    .product-detail-banner .banner-title{
        font-size:30px;
        padding-left:20px;
    }
    .detail-pro-title{
        font-size:24px;
    }
    .detail-thumb-list{
        grid-template-columns:repeat(2,1fr);
    }
    .form-row-four {
        grid-template-columns:1fr;
    }
}
@media(max-width:480px){
    .detail-thumb-list{
        grid-template-columns:1fr;
    }
}