/* ==========================================================================
   Toprecision · 产品详情页主体样式 v12
   目标：彻底替换旧的「图片 + 纯文字堆叠 + 朴素表格」结构
   设计语言：白卡 + 浅灰底 + 品牌蓝 #1B57C4 强调，大圆角、克制阴影、清晰层级
   作用范围：.product-detail-content 内部，避免影响左侧分类导航
   ========================================================================== */

/* ---------- 变量 ---------- */
.product-detail-content {
    --pd-blue: #1B57C4;
    --pd-blue-dk: #14439A;
    --pd-ink: #0F1A2B;
    --pd-ink2: #33445A;
    --pd-muted: #6B7A90;
    --pd-line: #E5EAF1;
    --pd-bg: #F5F7FA;
    --pd-bg2: #FAFBFD;
    --pd-radius: 18px;
    --pd-radius-sm: 12px;
    min-width: 0;
    color: var(--pd-ink2);
    font-size: 15px;
    line-height: 1.85;
}

/* ---------- 1. 标题区 ---------- */
.product-detail-content .product-header {
    position: relative;
    padding: 0 0 26px;
    margin: 0 0 28px;
    border-bottom: 1px solid var(--pd-line);
    text-align: left;
}

/* 小标签：产品中心 · 分类 */
.product-detail-content .pd-kicker {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    margin-bottom: 14px;
    padding: 6px 14px 6px 10px;
    border-radius: 999px;
    background: rgba(27, 87, 196, .07);
    color: var(--pd-blue);
    font-size: 12.5px;
    font-weight: 700;
    letter-spacing: .04em;
    text-transform: uppercase;
}
.product-detail-content .pd-kicker::before {
    content: "";
    width: 6px;
    height: 6px;
    border-radius: 50%;
    background: var(--pd-blue);
}

.product-detail-content .product-main-title {
    margin: 0 0 14px;
    font-size: clamp(24px, 2.5vw, 34px) !important;
    font-weight: 700 !important;
    color: var(--pd-ink) !important;
    letter-spacing: -.6px;
    line-height: 1.3;
}

.product-detail-content .product-overview-brief {
    max-width: 720px;
    margin: 0;
    padding: 0 0 0 16px;
    border: 0;
    border-left: 3px solid var(--pd-blue);
    border-radius: 0;
    background: none;
    font-size: 15.5px !important;
    line-height: 1.9 !important;
    color: var(--pd-muted) !important;
}

/* ---------- 2. 首屏：图 + 参数摘要 ---------- */
.product-detail-content .product-detail-wrap {
    display: grid !important;
    grid-template-columns: minmax(0, 1fr) minmax(0, 1fr) !important;
    gap: 26px !important;
    align-items: start;
    margin-bottom: 34px;
}

.product-detail-content .product-image-col {
    position: sticky;
    top: 100px;
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 300px;
    padding: 22px;
    background:
        radial-gradient(circle at 50% 0%, #fff 0%, var(--pd-bg2) 55%, var(--pd-bg) 100%);
    border: 1px solid var(--pd-line);
    border-radius: var(--pd-radius);
    overflow: hidden;
}
.product-detail-content .product-image-col img {
    max-width: 100%;
    max-height: 380px;
    height: auto;
    object-fit: contain;
    border-radius: var(--pd-radius-sm);
    transition: transform .5s cubic-bezier(.2, .7, .2, 1);
}
.product-detail-content .product-image-col:hover img { transform: scale(1.04); }

/* 首屏右侧的「关键参数速览」卡 */
.product-detail-content .pd-quick {
    padding: 24px 26px;
    background: #fff;
    border: 1px solid var(--pd-line);
    border-radius: var(--pd-radius);
    box-shadow: 0 12px 32px rgba(10, 21, 38, .05);
}
.product-detail-content .pd-quick-hd {
    display: flex;
    align-items: center;
    gap: 9px;
    margin-bottom: 18px;
    font-size: 15px;
    font-weight: 700;
    color: var(--pd-ink);
    letter-spacing: -.2px;
}
.product-detail-content .pd-quick-hd svg { flex: none; }

.product-detail-content .pd-quick-list {
    display: grid;
    gap: 1px;
    margin: 0;
    padding: 0;
    list-style: none;
    background: var(--pd-line);
    border: 1px solid var(--pd-line);
    border-radius: var(--pd-radius-sm);
    overflow: hidden;
}
.product-detail-content .pd-quick-list li {
    display: grid;
    grid-template-columns: 92px minmax(0, 1fr);
    gap: 12px;
    padding: 11px 15px;
    margin: 0;
    background: #fff;
    font-size: 14px;
    line-height: 1.7;
}
.product-detail-content .pd-quick-list li > span {
    color: var(--pd-muted);
    font-size: 13px;
    font-weight: 600;
}
.product-detail-content .pd-quick-list li > b {
    color: var(--pd-ink);
    font-weight: 600;
}

.product-detail-content .pd-quick-cta {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    margin-top: 20px;
}
.product-detail-content .pd-quick-cta a {
    flex: 1 1 auto;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 7px;
    min-height: 42px;
    padding: 0 18px;
    border-radius: 10px;
    font-size: 14px;
    font-weight: 600;
    text-decoration: none;
    transition: .22s ease;
}
.product-detail-content .pd-quick-cta .pd-btn-main {
    background: linear-gradient(135deg, var(--pd-blue), var(--pd-blue-dk));
    color: #fff;
    box-shadow: 0 8px 20px rgba(27, 87, 196, .25);
}
.product-detail-content .pd-quick-cta .pd-btn-main:hover {
    transform: translateY(-1px);
    box-shadow: 0 12px 26px rgba(27, 87, 196, .32);
}
.product-detail-content .pd-quick-cta .pd-btn-ghost {
    background: var(--pd-bg);
    color: var(--pd-ink);
    border: 1px solid var(--pd-line);
}
.product-detail-content .pd-quick-cta .pd-btn-ghost:hover {
    background: #EEF4FE;
    color: var(--pd-blue);
    border-color: rgba(27, 87, 196, .3);
}

/* ---------- 3. 内容区块（概述 / 特点 / 应用 / 选型 / FAQ） ---------- */
.product-detail-content .product-info-col {
    font-size: 15px;
    line-height: 1.9;
    color: var(--pd-ink2);
}

.product-detail-content .pd-sec {
    margin-bottom: 26px;
    padding: 26px 28px;
    background: #fff;
    border: 1px solid var(--pd-line);
    border-radius: var(--pd-radius);
}
.product-detail-content .pd-sec:last-child { margin-bottom: 0; }

.product-detail-content .pd-sec-hd {
    display: flex;
    align-items: center;
    gap: 11px;
    margin: 0 0 16px;
    font-size: 17px;
    font-weight: 700;
    color: var(--pd-ink);
    letter-spacing: -.3px;
}
.product-detail-content .pd-sec-hd i {
    display: grid;
    place-items: center;
    width: 30px;
    height: 30px;
    flex: none;
    border-radius: 9px;
    background: rgba(27, 87, 196, .08);
}
.product-detail-content .pd-sec-hd i svg { display: block; }
.product-detail-content .pd-sec-hd em {
    font-style: normal;
    font-size: 11.5px;
    font-weight: 700;
    letter-spacing: .1em;
    color: #A8B5C6;
    text-transform: uppercase;
    margin-left: auto;
}

.product-detail-content .pd-sec p { margin: 0 0 13px; }
.product-detail-content .pd-sec p:last-child { margin-bottom: 0; }

/* 概述首段放大 */
.product-detail-content .pd-sec--lead p:first-of-type {
    font-size: 15.5px;
    color: var(--pd-ink2);
}

/* 特点：双列要点 */
.product-detail-content .pd-points {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 12px 22px;
    margin: 0;
    padding: 0;
    list-style: none;
}
.product-detail-content .pd-points li {
    position: relative;
    padding: 0 0 0 26px;
    margin: 0;
    font-size: 14.5px;
    line-height: 1.8;
    color: var(--pd-ink2);
}
.product-detail-content .pd-points li::before {
    content: "";
    position: absolute;
    left: 0;
    top: .58em;
    width: 14px;
    height: 14px;
    border-radius: 50%;
    background: rgba(27, 87, 196, .1);
}
.product-detail-content .pd-points li::after {
    content: "";
    position: absolute;
    left: 4.5px;
    top: calc(.58em + 4.5px);
    width: 5px;
    height: 5px;
    border-radius: 50%;
    background: var(--pd-blue);
}

/* 应用：标签胶囊 */
.product-detail-content .pd-apps {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    margin: 0;
    padding: 0;
    list-style: none;
}
.product-detail-content .pd-apps li {
    margin: 0;
    padding: 9px 16px;
    border-radius: 10px;
    background: var(--pd-bg);
    border: 1px solid var(--pd-line);
    font-size: 14px;
    font-weight: 500;
    color: var(--pd-ink);
    transition: .2s ease;
}
.product-detail-content .pd-apps li:hover {
    background: #EEF4FE;
    border-color: rgba(27, 87, 196, .28);
    color: var(--pd-blue);
}

/* 选型提示：浅蓝提示条 */
.product-detail-content .pd-sec--tip {
    background: linear-gradient(180deg, #F3F7FE 0%, #FAFCFF 100%);
    border-color: #D8E5F8;
}
.product-detail-content .pd-sec--tip .pd-sec-hd i { background: rgba(27, 87, 196, .12); }

/* FAQ 手风琴 */
.product-detail-content .pd-faq {
    display: grid;
    gap: 10px;
}
.product-detail-content .pd-faq details {
    border: 1px solid var(--pd-line);
    border-radius: var(--pd-radius-sm);
    background: var(--pd-bg2);
    overflow: hidden;
    transition: .2s ease;
}
.product-detail-content .pd-faq details[open] {
    background: #fff;
    border-color: rgba(27, 87, 196, .3);
    box-shadow: 0 8px 20px rgba(10, 21, 38, .06);
}
.product-detail-content .pd-faq summary {
    position: relative;
    padding: 15px 46px 15px 18px;
    cursor: pointer;
    list-style: none;
    font-size: 14.5px;
    font-weight: 600;
    color: var(--pd-ink);
    line-height: 1.65;
}
.product-detail-content .pd-faq summary::-webkit-details-marker { display: none; }
.product-detail-content .pd-faq summary::after {
    content: "";
    position: absolute;
    right: 18px;
    top: 50%;
    width: 8px;
    height: 8px;
    margin-top: -6px;
    border-right: 2px solid var(--pd-muted);
    border-bottom: 2px solid var(--pd-muted);
    transform: rotate(45deg);
    transition: transform .25s ease;
}
.product-detail-content .pd-faq details[open] summary::after {
    transform: rotate(-135deg);
    margin-top: -2px;
    border-color: var(--pd-blue);
}
.product-detail-content .pd-faq .pd-a {
    padding: 0 46px 17px 18px;
    font-size: 14px;
    line-height: 1.9;
    color: var(--pd-muted);
}

/* ---------- 4. 技术参数 ---------- */
.product-detail-content .tp-product-enriched { margin-bottom: 34px; }

.product-detail-content .pd-block-hd {
    display: flex;
    align-items: center;
    gap: 11px;
    margin: 0 0 16px;
    padding: 0;
    font-size: 17px;
    font-weight: 700;
    color: var(--pd-ink);
    letter-spacing: -.3px;
    border: 0;
}
.product-detail-content .pd-block-hd i {
    display: grid;
    place-items: center;
    width: 30px;
    height: 30px;
    flex: none;
    border-radius: 9px;
    background: rgba(27, 87, 196, .08);
}

.product-detail-content .pd-spec-wrap {
    padding: 8px;
    background: #fff;
    border: 1px solid var(--pd-line);
    border-radius: var(--pd-radius);
    box-shadow: 0 12px 32px rgba(10, 21, 38, .05);
    overflow: hidden;
}

.product-detail-content .tp-spec-table {
    width: 100%;
    margin: 0;
    border-collapse: separate;
    border-spacing: 0;
    font-size: 14px;
    border-radius: var(--pd-radius-sm);
    overflow: hidden;
}
.product-detail-content .tp-spec-table tr { background: transparent; }
.product-detail-content .tp-spec-table th,
.product-detail-content .tp-spec-table td {
    padding: 13px 18px;
    border: 0;
    border-bottom: 1px solid #EFF3F8;
    text-align: left;
    vertical-align: top;
    line-height: 1.75;
}
.product-detail-content .tp-spec-table tr:last-child th,
.product-detail-content .tp-spec-table tr:last-child td { border-bottom: 0; }
.product-detail-content .tp-spec-table th {
    width: 32%;
    background: var(--pd-bg2);
    color: var(--pd-muted);
    font-weight: 600;
    font-size: 13.5px;
    white-space: nowrap;
}
.product-detail-content .tp-spec-table td {
    background: #fff;
    color: var(--pd-ink);
    font-weight: 500;
}
.product-detail-content .tp-spec-table tr:hover th { background: #EEF4FE; color: var(--pd-blue); }
.product-detail-content .tp-spec-table tr:hover td { background: #FAFCFF; }

/* ---------- 5. 制造与检验 ---------- */
.product-detail-content .pd-craft {
    padding: 26px 28px;
    background: linear-gradient(135deg, #0F1A2B 0%, #1A2740 100%);
    border-radius: var(--pd-radius);
    color: #C9D4E3;
}
.product-detail-content .pd-craft .pd-block-hd { color: #fff; }
.product-detail-content .pd-craft .pd-block-hd i { background: rgba(255, 255, 255, .1); }
.product-detail-content .pd-craft p {
    margin: 0;
    font-size: 14.5px;
    line-height: 1.95;
    color: #B9C6D8;
}

/* ---------- 6. 相关产品 ---------- */
.product-detail-content .related-products {
    margin: 44px 0 0;
    padding-top: 34px;
    border-top: 1px solid var(--pd-line);
}
.product-detail-content .related-products h2 {
    margin: 0 0 22px;
    font-size: 19px;
    font-weight: 700;
    color: var(--pd-ink);
    letter-spacing: -.3px;
    text-align: left;
}
.product-detail-content .related-products-grid {
    display: grid !important;
    grid-template-columns: repeat(4, minmax(0, 1fr)) !important;
    gap: 16px !important;
}
.product-detail-content .related-product-item {
    border: 1px solid var(--pd-line);
    border-radius: 14px;
    background: #fff;
    overflow: hidden;
    transition: .24s ease;
}
.product-detail-content .related-product-item:hover {
    transform: translateY(-3px);
    border-color: rgba(27, 87, 196, .3);
    box-shadow: 0 14px 30px rgba(10, 21, 38, .09);
}
.product-detail-content .related-product-item a {
    display: block;
    text-decoration: none;
}
.product-detail-content .related-product-item img {
    display: block;
    width: 100%;
    height: 128px;
    object-fit: contain;
    padding: 14px;
    background: var(--pd-bg2);
}
.product-detail-content .related-product-item p {
    margin: 0;
    padding: 12px 14px 15px;
    font-size: 13.5px;
    line-height: 1.6;
    color: var(--pd-ink2);
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

/* ---------- 7. 响应式 ---------- */
@media (max-width: 1180px) {
    .product-detail-content .product-detail-wrap {
        grid-template-columns: minmax(0, 1fr) !important;
        gap: 20px !important;
    }
    .product-detail-content .product-image-col {
        position: static;
        min-height: 0;
        padding: 18px;
    }
    .product-detail-content .product-image-col img { max-height: 300px; }
    .product-detail-content .related-products-grid {
        grid-template-columns: repeat(2, minmax(0, 1fr)) !important;
    }
}

@media (max-width: 760px) {
    .product-detail-content { font-size: 14.5px; }
    .product-detail-content .product-header { padding-bottom: 20px; margin-bottom: 20px; }
    .product-detail-content .product-main-title { font-size: 22px !important; }
    .product-detail-content .product-overview-brief { font-size: 14.5px !important; }
    .product-detail-content .pd-sec,
    .product-detail-content .pd-quick,
    .product-detail-content .pd-craft { padding: 18px 18px; }
    .product-detail-content .pd-points { grid-template-columns: minmax(0, 1fr); gap: 10px; }
    .product-detail-content .pd-quick-list li { grid-template-columns: 80px minmax(0, 1fr); gap: 8px; padding: 10px 12px; }
    .product-detail-content .tp-spec-table th,
    .product-detail-content .tp-spec-table td { padding: 11px 12px; font-size: 13px; }
    .product-detail-content .tp-spec-table th { width: 40%; white-space: normal; }
    .product-detail-content .related-products-grid { gap: 12px !important; }
    .product-detail-content .related-product-item img { height: 104px; }
    .product-detail-content .pd-sec-hd em { display: none; }
}