/* 主图区域 */
.pd-gallery {
    width: 100%;
    position: relative;
    border-radius: 10px;
    overflow: hidden;
    background: #f7f7f7;
    border: 1px solid #ddd;
}

.pd-gallery img {
    width: 100%;
    display: block;
}

/* 左右箭头 */
.pd-arrow {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    background: rgba(0,0,0,0.45);
    color: #fff;
    width: 44px;
    height: 44px;
    border-radius: 50%;
    font-size: 24px;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: .2s;
    z-index: 20;
}
.pd-arrow:hover {
    background: rgba(0,0,0,0.7);
}

.pd-arrow.left { left: 14px; }
.pd-arrow.right { right: 14px; }

/* 缩略图区域 */
.pd-thumbs {
    margin-top: 18px;
    display: flex;
    gap: 12px;
    overflow-x: auto;
}

.pd-thumbs img {
    width: 110px;
    height: 90px;
    object-fit: cover;
    border-radius: 6px;
    border: 2px solid transparent;
    cursor: pointer;
    transition: 0.2s;
}

.pd-thumbs img.active {
    border-color: #0b5ed7;
    transform: scale(1.05);
}

@media(max-width:768px){
    .pd-thumbs img { width: 90px; height: 70px; }
}



.article-detail {
    display: flex;
    gap: 40px;
    margin-top: 40px;
    flex-wrap: wrap;
}

/* 左侧主图 */
.pd-main-img-wrap {
    width: 100%;
    background: #f7f7f7;
    border-radius: 8px;
    overflow: hidden;
    border: 1px solid #ddd;
}

.pd-main-img {
    width: 100%;
    display: block;
    border-radius: 8px;
}

/* 标题 */
.pd-info-title {
    font-size: 34px;
    font-weight: 700;
    margin-bottom: 15px;
    color: #062f77;
}

/* 按钮区域 */
.pd-btn-box {
    display: flex;
    align-items: center;
    gap: 15px;
    margin-top: 15px;
}

/* 按钮基础样式 */
.pd-btn {
    display: inline-block;
    padding: 12px 28px;
    border-radius: 6px;
    color: #fff;
    font-size: 16px;
    font-weight: 600;
    text-decoration: none;
    transition: 0.2s;
}

/* 鼠标悬停效果 */
.pd-btn:hover {
    opacity: 0.85;
}

/* Certificates 区域 */
.pd-section-title {
    font-size: 28px;
    font-weight: 700;
    margin-top: 50px;
    margin-bottom: 20px;
    color: #062f77;
}

.certificate-img {
    width: 100px;
    margin-right: 12px;
    border-radius: 6px;
    border: 1px solid #ddd;
}

/* 手机端优化 */
@media (max-width: 768px) {
    .article-detail {
        flex-direction: column;
    }
    .pd-info-title {
        font-size: 24px;
    }
    .pd-btn {
        font-size: 14px;
        padding: 10px 20px;
    }
}

/* 防止后台内容撑破页面宽度 */
.article-content {
    max-width: 100%;
    overflow-x: hidden;
}

.article-content img {
    max-width: 100% !important;
    height: auto !important;
}

.article-content table {
    width: 100% !important;
    table-layout: fixed;
    word-wrap: break-word;
}

.article-content * {
    max-width: 100% !important;
}
.pd-meta-box {
    border-top: 1px solid #e5e5e5;
    border-bottom: 1px solid #e5e5e5;
    padding: 18px 0;
    margin-top: 30px;
    line-height: 1.9;
    color: #555;
}

.pd-meta-box p {
    margin-bottom: 6px;
    font-size: 18px;
}

.pd-meta-box strong {
    color: #333;
}
.certificates-wrap img {
    width: 110px;
    padding: 6px;
    background: #fff;
    border-radius: 6px;
    border: 1px solid #ddd;
    transition: 0.2s;
}

.certificates-wrap img:hover {
    transform: scale(1.05);
    box-shadow: 0 6px 15px rgba(0,0,0,0.15);
}
/* =========================
   手机端轮播 & 详情适配
   ========================= */
@media (max-width: 768px) {

    /* 左右布局改为上下 */
    .article-detail {
        flex-direction: column !important;
        gap: 20px;
    }

    /* 左右列宽度重置 */
    .pd-left,
    .pd-right {
        flex-basis: 100% !important;
        width: 100%;
    }

    /* 主图高度自适应 */
    .pd-gallery img {
        height: auto;
        max-height: 260px;
        object-fit: contain;
    }

    /* 箭头缩小 + 位置调整 */
    .pd-arrow {
        width: 34px;
        height: 34px;
        font-size: 18px;
    }
    .pd-arrow.left { left: 8px; }
    .pd-arrow.right { right: 8px; }

    /* 缩略图横向滚动更顺滑 */
    .pd-thumbs {
        gap: 8px;
        padding-bottom: 6px;
        -webkit-overflow-scrolling: touch;
    }

    .pd-thumbs img {
        width: 72px;
        height: 56px;
        flex-shrink: 0;
    }

    /* 标题字体缩小 */
    .pd-info-title {
        font-size: 22px;
        line-height: 1.3;
    }

    /* 产品信息行距 */
    .pd-meta-box p {
        font-size: 14px;
        line-height: 1.6;
    }

    /* 联系方式一行显示 */
    .pd-right i {
        font-size: 14px;
    }

    /* 按钮纵向排列 */
    .pd-btn-box {
        flex-direction: column;
        align-items: stretch;
    }

    .pd-btn {
        width: 100%;
        text-align: center;
        font-size: 15px;
        padding: 12px 0;
    }

    /* Certificates 两列排列 */
    .certificates-wrap {
        gap: 10px;
    }

    .certificates-wrap img {
        width: 48%;
        margin-right: 0;
    }
}
@media (max-width: 768px) {

    /* 1️⃣ 强制整体上下结构 */
    .article-detail {
        display: block !important;
    }

    /* 2️⃣ 左右模块完全重置 */
    .pd-left,
    .pd-right {
        width: 100% !important;
        max-width: 100% !important;
        flex: none !important;
        margin: 0 !important;
    }

    /* 3️⃣ 清除 PC 的 flex-basis 影响 */
    .pd-left {
        margin-bottom: 20px;
    }

    /* 4️⃣ 主图容器不能撑屏 */
    .pd-gallery {
        width: 100%;
        height: auto;
    }

    .pd-gallery img {
        width: 100%;
        height: auto;
        max-height: 260px;
        object-fit: contain;
    }

    /* 5️⃣ 防止出现“看不见的空白高度” */
    .pd-main-img-wrap {
        height: auto !important;
    }

    /* 6️⃣ 右侧文字必须可见 */
    .pd-right {
        display: block;
        visibility: visible;
    }
}
/* =========================
   全局布局收紧 & 大气化
   ========================= */

.project_information_area {
    padding-top: 40px;
    padding-bottom: 40px;
}

.article-detail {
    gap: 30px;
    margin-top: 30px;
}

/* 去掉多余空行 */
.inner_project_text_area {
    margin-top: 30px;
}
/* 证书 PC 显示 */
.certificates-wrap {
    margin-top: 18px;
}

.certificate-img {
    width: 120px;
    padding: 8px;
    background: #fff;
    border-radius: 8px;
    border: 1px solid #e3e6ea;
    box-shadow: 0 4px 10px rgba(0,0,0,0.08);
}
/* 证书 PC 显示 */
.certificates-wrap {
    margin-top: 18px;
}

.certificate-img {
    width: 120px;
    padding: 8px;
    background: #fff;
    border-radius: 8px;
    border: 1px solid #e3e6ea;
    box-shadow: 0 4px 10px rgba(0,0,0,0.08);
}
@media (max-width: 768px) {

    /* 整体上下收紧 */
    .project_information_area {
        padding-top: 20px;
        padding-bottom: 20px;
    }

    .article-detail {
        margin-top: 15px;
        gap: 18px;
    }

    /* 标题缩小 */
    .pd-info-title {
        font-size: 22px;
        margin-bottom: 12px;
    }

    /* 产品信息块更紧凑 */
    .pd-meta-box {
        padding: 12px 14px;
    }

    .pd-meta-box p {
        font-size: 14px;
    }

    /* 按钮一行一个 */
    .pd-btn-box {
        flex-direction: column;
        margin-top: 18px;
    }

    .pd-btn {
        width: 100%;
        padding: 12px 0;
        font-size: 15px;
    }

    /* 🔥 关键：手机端隐藏证书 */
    .certificates-wrap,
    .pd-section-title {
        display: none !important;
    }
}

.steel-container {
    max-width: 1200px;
    margin: auto;
    padding: 15px;
    font-family: Arial, Helvetica, sans-serif;
    color: #333;
}

.steel-container h2 {
    font-size: 26px;
    margin-bottom: 10px;
}

.steel-container h3 {
    font-size: 20px;
    margin: 25px 0 10px;
    border-left: 4px solid #1e73be;
    padding-left: 10px;
}

.desc {
    line-height: 1.7;
    font-size: 15px;
}

/* 表格容器，手机端可横向滑动 */
.table-wrap {
    overflow-x: auto;
}

/* 表格样式 */
.steel-table {
    width: 100%;
    min-width: 600px;
    border-collapse: collapse;
    background: #fff;
}

.steel-table th,
.steel-table td {
    border: 1px solid #ddd;
    padding: 10px 12px;
    font-size: 14px;
    text-align: center;
}

.steel-table th {
    background: #f2f6fa;
    font-weight: bold;
}

/* 手机端优化 */
@media (max-width: 768px) {
    .steel-container h2 {
        font-size: 22px;
    }
    .steel-container h3 {
        font-size: 18px;
    }
    .steel-table {
        font-size: 13px;
    }
}

/* 整体区域浅灰底，突出白色表格 */
.steel-container {
    background: #f5f7fa;
    padding: 20px 15px;
}

/* 表格外层：白色卡片 */
.table-wrap {
    background: #ffffff;
    border-radius: 10px;
    padding: 15px;
    margin-bottom: 25px;
    box-shadow: 0 6px 18px rgba(0, 0, 0, 0.06);
    overflow-x: auto;
}

/* 表格主体 */
.steel-table {
    width: 100%;
    min-width: 600px;
    border-collapse: collapse;
    background: #ffffff;
}

/* 表头 */
.steel-table th {
    background: #f0f4f8;
    color: #222;
    font-weight: 600;
    border: 1px solid #e3e6ea;
    padding: 12px;
    font-size: 14px;
}

/* 表格内容 */
.steel-table td {
    border: 1px solid #e3e6ea;
    padding: 12px;
    font-size: 14px;
    color: #444;
}

/* 隔行变色，更清爽 */
.steel-table tbody tr:nth-child(even) {
    background: #fafbfc;
}

/* 鼠标悬浮（PC端） */
.steel-table tbody tr:hover {
    background: #eef5ff;
}

/* 标题样式微调 */
.steel-container h3 {
    margin-top: 35px;
    margin-bottom: 12px;
    font-size: 20px;
    color: #1e73be;
    border-left: 4px solid #1e73be;
    padding-left: 10px;
}

/* 手机端优化 */
@media (max-width: 768px) {
    .table-wrap {
        padding: 10px;
        border-radius: 8px;
    }

    .steel-table th,
    .steel-table td {
        padding: 10px;
        font-size: 13px;
    }
}
/* ===== 轮播主图容器 ===== */
.pd-gallery {
    position: relative;
    width: 100%;
    height: 340px;            /* PC 固定高度 */
    overflow: hidden;
    background: #f7f7f7;
    border-radius: 10px;
}

/* 主图 */
.pd-gallery img {
    width: 100%;
    height: 100%;
    object-fit: contain;      /* 不裁切、不拉伸 */
    display: block;
}
/* 左右箭头 */
.pd-arrow {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    width: 44px;
    height: 44px;
    border-radius: 50%;
    background: rgba(0, 0, 0, 0.45);
    color: #fff;
    font-size: 22px;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    z-index: 10;
}

.pd-arrow.left {
    left: 12px;
}

.pd-arrow.right {
    right: 12px;
}

.pd-arrow:hover {
    background: rgba(0, 0, 0, 0.7);
}
.pd-thumbs {
    margin-top: 14px;
    display: flex;
    gap: 10px;
    overflow-x: auto;
}

.pd-thumbs img {
    width: 90px;
    height: 70px;
    object-fit: cover;
    border-radius: 6px;
    border: 2px solid transparent;
    cursor: pointer;
    flex-shrink: 0;
}

.pd-thumbs img.active {
    border-color: #0b5ed7;
}
@media (max-width: 768px) {

    /* 主图高度缩小 */
    .pd-gallery {
        height: 240px;
    }

    /* 箭头缩小 */
    .pd-arrow {
        width: 34px;
        height: 34px;
        font-size: 18px;
    }

    .pd-arrow.left {
        left: 8px;
    }

    .pd-arrow.right {
        right: 8px;
    }

    /* 缩略图 */
    .pd-thumbs img {
        width: 70px;
        height: 54px;
    }
}

.pd-gallery {
    position: relative;
    width: 100%;
    height: 340px;
    overflow: hidden;
    background: #f7f7f7;
    border-radius: 10px;
}

#pd-main-img {
    width: 100%;
    height: 100%;
    object-fit: contain;
    display: block;
}

.pd-thumbs {
    margin-top: 14px;
    display: flex;
    gap: 10px;
    overflow-x: auto;
}

.pd-thumbs img {
    width: 90px;
    height: 70px;
    object-fit: cover;
    border-radius: 6px;
    border: 2px solid transparent;
    cursor: pointer;
    flex-shrink: 0;
}

.pd-thumbs img.active {
    border-color: #0b5ed7;
}