/* ============================================================
   about-bs.css - 公司简介（关于我们）页 Bootstrap 定制样式
   保留原页面的排版结构：四大理由交错排版 / 定制流程 / 生产现场 / 常见问题+团队
   ============================================================ */

/* ---------- 通用标题 ---------- */
.about-en {
    margin: 0;
    font-size: 32px;
    font-weight: 700;
    line-height: 1.2;
    text-align: center;
    text-transform: uppercase;
    color: #ccc;
}
.about-h2 {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 15px;
    margin: 6px 0 0;
    font-size: 32px;
    font-weight: 700;
    color: #333;
}
.about-h2 i {
    flex: 1 1 auto;
    max-width: 230px;
    height: 3px;
    background: #e1e1e1;
}
.about-h3 {
    margin-bottom: 12px;
    font-size: 26px;
    text-align: center;
    color: #000;
}

/* ---------- 通用按钮 ---------- */
.about-btn {
    display: inline-block;
    min-width: 153px;
    height: 36px;
    padding: 0 24px;
    font-size: 16px;
    line-height: 36px;
    text-align: center;
    color: #fff;
    background: #fa7821;
    text-decoration: none;
}
.about-btn:hover,
.about-btn:focus {
    color: #fff;
    background: #e56a15;
    text-decoration: none;
}

/* ---------- 四大理由 ---------- */
.about-adv-lead {
    margin: 10px 0 34px;
    font-size: 20px;
    text-align: center;
    color: #fa7821;
}
.about-adv-row + .about-adv-row {
    margin-top: 34px;
}
.about-adv-img {
    display: block;
    width: 100%;
    height: auto;
}
.about-adv-txt {
    position: relative;
    padding-left: 72px;
}
.about-num {
    position: absolute;
    left: 0;
    top: 0;
    width: 49px;
    height: 69px;
    border: 3px solid #bfbfbf;
}
.about-num i {
    display: block;
    width: 28px;
    margin: 0 auto;
    padding-top: 30px;
    font-size: 22px;
    font-style: normal;
    font-weight: 700;
    text-align: center;
    border-bottom: 3px solid #bfbfbf;
}
.about-t1 {
    margin: 0;
    font-size: 22px;
    font-weight: 700;
    color: #333;
}
.about-t2 {
    margin: 2px 0 0;
    font-size: 16px;
    text-transform: uppercase;
    color: #bfbfbf;
}
.about-line {
    display: block;
    width: 127px;
    height: 3px;
    margin-top: 8px;
    background: #fa7821;
}
.about-list {
    margin: 22px 0 0;
    padding: 0;
    list-style: none;
}
.about-list li {
    position: relative;
    padding-left: 22px;
    margin-bottom: 14px;
    font-size: 16px;
    line-height: 24px;
    color: #333;
}
.about-list li::before {
    content: "";
    position: absolute;
    left: 2px;
    top: 9px;
    width: 6px;
    height: 6px;
    background: #fa7821;
}
.about-list li:last-child {
    margin-bottom: 0;
}
.about-list b {
    color: #fa7821;
}

/* 全国免费服务热线（叠在第四张图上，与原设计位置一致） */
.about-tel-wrap {
    position: relative;
}
.about-tel {
    position: absolute;
    left: 0;
    top: 38%;
    width: 322px;
    height: 92px;
    padding-left: 90px;
    color: #fff;
    background: url(/style/images/xzdbtel.png) no-repeat left top;
}
.about-tel-icon {
    position: absolute;
    left: 32px;
    top: 15px;
    width: 46px;
    height: 46px;
    background: url(/style/images/zxzx_tel.png) no-repeat center;
}
.about-tel .p1 {
    margin: 0;
    padding-top: 15px;
    font-size: 14px;
    color: #fff;
}
.about-tel .p2 {
    margin: 0;
    font-size: 26px;
    color: #fff;
}

/* ---------- 定制流程 ---------- */
.about-flow {
    background: #333;
}
.about-flow .about-en {
    color: #fff;
}
.about-flow .about-h2 {
    color: #fff;
}
.about-flow-icons {
    position: relative;
    max-width: 1175px;
    margin: 30px auto 52px;
    aspect-ratio: 1175 / 128;
    background: url(/style/images/dzlc01.png) no-repeat center top;
    background-size: 100% 100%;
}
.about-flow-icons span {
    position: absolute;
    top: 100%;
    margin-top: 14px;
    transform: translateX(-50%);
    font-size: 16px;
    color: #fff;
    white-space: nowrap;
}

/* ---------- 生产现场图片 ---------- */
.about-equipment-desc {
    max-width: 900px;
    margin: 0 auto 26px;
    font-size: 16px;
    line-height: 26px;
    text-align: center;
    color: #000;
}
.about-gallery {
    display: flex;
    gap: 20px;
    overflow-x: auto;
    padding-bottom: 10px;
}
.about-gallery-item {
    flex: 0 0 327px;
}
.about-gallery-item img {
    display: block;
    width: 327px;
    height: 218px;
    object-fit: cover;
}
.about-gallery::-webkit-scrollbar {
    height: 6px;
}
.about-gallery::-webkit-scrollbar-thumb {
    background: #ccc;
    border-radius: 3px;
}

/* ---------- 常见问题 + 专业团队 ---------- */
.about-comm {
    margin: 0 0 20px;
    padding-bottom: 7px;
    font-size: 26px;
    font-weight: 400;
    line-height: 32px;
    border-bottom: 1px solid #fa7821;
}
.about-comm a {
    color: #fa7821;
    text-decoration: none;
}
.about-comm a span {
    border-bottom: 4px solid #fa7821;
}
.about-comm small,
.about-comm em {
    padding-left: 10px;
    font-family: Arial, Helvetica, sans-serif;
    font-size: 20px;
    font-style: normal;
    color: #adadad;
}
.about-faq-item {
    margin: 0;
    padding: 18px 0 18px 67px;
    background: url(/style/images/information_icon1.gif) no-repeat left 18px;
    border-bottom: 1px dashed #838383;
}
.about-faq-item dt a {
    font-size: 20px;
    color: #333;
    text-decoration: none;
}
.about-faq-item dt a:hover {
    color: #fa7821;
}
.about-faq-item dd {
    margin: 10px 0 0;
    font-size: 14px;
    line-height: 24px;
    color: #666;
}
.about-team {
    padding: 0 20px 24px;
    text-align: center;
    border: 1px solid #dcdcdc;
}
.about-team img {
    display: block;
    width: 100%;
    max-width: 290px;
    height: auto;
    margin: 24px auto 0;
}
.about-team h4 {
    margin: 18px 17px 0;
    padding-bottom: 10px;
    font-size: 18px;
    font-weight: 400;
    line-height: 26px;
    color: #27303f;
    border-bottom: 1px solid #e0e0e0;
}
.about-team p {
    margin: 0;
    padding: 18px 10px 23px;
    font-size: 14px;
    line-height: 24px;
    color: #666;
}
.about-team p span {
    color: #fa7821;
}

/* ---------- 响应式 ---------- */
@media (max-width: 991.98px) {
    .about-en,
    .about-h2 {
        font-size: 24px;
    }
    .about-adv-lead {
        margin-bottom: 24px;
        font-size: 17px;
    }
    .about-flow-icons {
        margin-bottom: 44px;
    }
    .about-flow-icons span {
        margin-top: 10px;
        font-size: 13px;
    }
    /* 小屏时热线条不再压图，居中显示在图片下方 */
    .about-tel {
        position: static;
        margin: 16px auto 0;
    }
}

@media (max-width: 575.98px) {
    .about-en,
    .about-h2 {
        font-size: 20px;
    }
    .about-adv-txt {
        padding-left: 60px;
    }
    .about-t1 {
        font-size: 18px;
    }
    .about-list li {
        font-size: 15px;
    }
    .about-flow-icons span {
        font-size: 11px;
    }
    .about-comm {
        font-size: 22px;
    }
    .about-comm small,
    .about-comm em {
        font-size: 16px;
    }
    .about-gallery-item {
        flex-basis: 78%;
    }
    .about-gallery-item img {
        width: 100%;
        height: auto;
        aspect-ratio: 327 / 218;
    }
}