/* CaspiaSupply Product Detail v1 */

.pdetail-page {
    --pdetail-text: #121418;
    --pdetail-muted: #737780;
    --pdetail-line: #e4e6e9;
    --pdetail-soft: #f3f4f5;
    --pdetail-accent: #13c7b7;
    --pdetail-dark: #17111f;
    position: relative;
    isolation: isolate;
    width: calc(100% - 48px);
    max-width: 1440px;
    margin: 0 auto;
    padding: 34px 0 90px;
    color: var(--pdetail-text);
    background: #fff;
}

.pdetail-page::before {
    content: "";
    position: absolute;
    top: 0;
    bottom: 0;
    left: 50%;
    z-index: -1;
    width: 100vw;
    background: #fff;
    transform: translateX(-50%);
}

.pdetail-page *,
.pdetail-page *::before,
.pdetail-page *::after { box-sizing: border-box; }

.pdetail-breadcrumb {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 7px;
    margin: 0 0 28px;
    color: #90949b;
    font-size: 12px;
}

.pdetail-breadcrumb a { color: inherit; text-decoration: none; }
.pdetail-breadcrumb a:hover { color: var(--pdetail-accent); }
.pdetail-breadcrumb span:last-child {
    max-width: 420px;
    overflow: hidden;
    color: #575b63;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.pdetail-hero {
    display: grid;
    grid-template-columns: minmax(0, 1.05fr) minmax(400px, .95fr);
    align-items: start;
    gap: clamp(42px, 5vw, 76px);
}

/* Gallery */
.pdetail-gallery {
    position: relative;
    min-width: 0;
    display: grid;
    grid-template-columns: 82px minmax(0, 1fr);
    gap: 14px;
}

.pdetail-thumbnails {
    max-height: 720px;
    display: flex;
    flex-direction: column;
    gap: 10px;
    overflow-y: auto;
    overscroll-behavior: contain;
    scrollbar-width: thin;
}

.pdetail-thumb {
    width: 72px;
    height: 82px;
    flex: 0 0 82px;
    display: block;
    overflow: hidden;
    padding: 0;
    border: 1px solid transparent;
    border-radius: 7px;
    background: var(--pdetail-soft);
    cursor: pointer;
}

.pdetail-thumb.is-active { border-color: #17191d; }
.pdetail-thumb img {
    width: 100%;
    height: 100%;
    display: block;
    object-fit: cover;
    object-position: center;
}
.pdetail-thumb-empty { cursor: default; }

.pdetail-main-media {
    position: relative;
    min-width: 0;
    aspect-ratio: 1 / 1.06;
    overflow: hidden;
    border-radius: 10px;
    background: var(--pdetail-soft);
}

.pdetail-main-image {
    width: 100%;
    height: 100%;
    display: block;
    object-fit: contain;
    object-position: center;
    transition: opacity .18s ease;
}
.pdetail-main-image.is-changing { opacity: .35; }

.pdetail-main-empty {
    width: 100%;
    height: 100%;
    display: grid;
    place-items: center;
    color: #b4b8bf;
}
.pdetail-main-empty svg {
    width: 72px;
    fill: none;
    stroke: currentColor;
    stroke-width: 1.3;
}

.pdetail-gallery-arrow,
.pdetail-fullscreen-button {
    position: absolute;
    z-index: 4;
    border: 0;
    color: #111317;
    background: rgba(255,255,255,.92);
    box-shadow: 0 6px 20px rgba(20,23,29,.07);
    cursor: pointer;
}

.pdetail-gallery-arrow {
    top: 50%;
    width: 48px;
    height: 48px;
    display: grid;
    place-items: center;
    border-radius: 50%;
    font-size: 27px;
    transform: translateY(-50%);
}
.pdetail-gallery-prev { left: 20px; }
.pdetail-gallery-next { right: 20px; color: #fff; background: #111317; }

.pdetail-fullscreen-button {
    top: 18px;
    right: 18px;
    width: 48px;
    height: 48px;
    display: grid;
    place-items: center;
    border-radius: 50%;
}
.pdetail-fullscreen-button svg {
    width: 20px;
    fill: none;
    stroke: currentColor;
    stroke-width: 1.7;
}
.pdetail-gallery-arrow[hidden], .pdetail-fullscreen-button[hidden] { display: none; }

.pdetail-lightbox {
    position: fixed;
    inset: 0;
    z-index: 12000;
    display: grid;
    place-items: center;
    padding: 70px;
    background: rgba(11,12,15,.92);
}
.pdetail-lightbox[hidden] { display: none !important; }
.pdetail-lightbox img {
    max-width: min(1200px, 92vw);
    max-height: 88vh;
    object-fit: contain;
}
.pdetail-lightbox-close {
    position: fixed;
    top: 22px;
    right: 28px;
    width: 48px;
    height: 48px;
    border: 0;
    border-radius: 50%;
    color: #17191d;
    background: #fff;
    font-size: 28px;
    cursor: pointer;
}

/* Summary */
.pdetail-summary { min-width: 0; padding-top: 6px; }
.pdetail-summary-meta {
    display: flex;
    flex-wrap: wrap;
    gap: 9px;
    margin-bottom: 10px;
    color: #8a8e96;
    font-size: 12px;
}
.pdetail-summary-meta span + span::before { content: "•"; margin-right: 9px; }

.pdetail-summary h1 {
    max-width: 680px;
    margin: 0;
    color: #0e1014;
    font-size: clamp(31px, 3vw, 48px);
    font-weight: 700;
    line-height: 1.12;
    letter-spacing: -.04em;
}

.pdetail-subtitle {
    max-width: 680px;
    margin: 18px 0 0;
    color: #686d75;
    font-size: 14px;
    line-height: 1.75;
}

.pdetail-tags {
    min-height: 28px;
    display: flex;
    flex-wrap: wrap;
    gap: 7px;
    margin-top: 18px;
}
.pdetail-tags span {
    padding: 6px 9px;
    border-radius: 5px;
    color: #2b746e;
    background: #e8f8f6;
    font-size: 11px;
    font-weight: 650;
}

.pdetail-price { margin-top: 24px; }
.pdetail-price small {
    display: block;
    margin-bottom: 5px;
    color: #8c9097;
    font-size: 11px;
}
.pdetail-price strong {
    display: block;
    color: #111317;
    font-size: clamp(24px, 2.2vw, 34px);
    font-weight: 700;
}

.pdetail-metrics {
    display: grid;
    grid-template-columns: repeat(3, minmax(0,1fr));
    gap: 9px;
    margin-top: 25px;
}
.pdetail-metrics div {
    min-width: 0;
    padding: 15px 13px;
    border: 1px solid #e7e8ea;
    border-radius: 8px;
    background: #fff;
}
.pdetail-metrics span {
    display: block;
    margin-bottom: 6px;
    color: #8b8f96;
    font-size: 10px;
}
.pdetail-metrics strong {
    display: block;
    overflow: hidden;
    color: #2b2e34;
    font-size: 13px;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.pdetail-actions { display: grid; gap: 10px; margin-top: 26px; }
.pdetail-primary-button,
.pdetail-secondary-button {
    width: 100%;
    min-height: 52px;
    border-radius: 999px;
    font-size: 14px;
    font-weight: 700;
    cursor: pointer;
}
.pdetail-primary-button {
    border: 1px solid var(--pdetail-dark);
    color: #fff;
    background: var(--pdetail-dark);
}
.pdetail-primary-button:hover { background: #2b2036; }
.pdetail-secondary-button {
    border: 1px solid #17191d;
    color: #17191d;
    background: #fff;
}
.pdetail-secondary-button:hover { color: #fff; background: #17191d; }

.pdetail-action-note {
    margin: 12px 4px 0;
    color: #93979e;
    font-size: 11px;
    line-height: 1.6;
}

.pdetail-quick-info {
    margin: 28px 0 0;
    border: 1px solid #e5e6e8;
    border-radius: 9px;
    overflow: hidden;
}
.pdetail-quick-info div {
    min-height: 45px;
    display: grid;
    grid-template-columns: 130px minmax(0,1fr);
    align-items: center;
    gap: 16px;
    padding: 8px 15px;
    border-bottom: 1px solid #e9eaec;
}
.pdetail-quick-info div:last-child { border-bottom: 0; }
.pdetail-quick-info dt { color: #878b93; font-size: 11px; }
.pdetail-quick-info dd {
    margin: 0;
    color: #383b41;
    font-size: 12px;
    text-align: right;
}

/* Tabs */
.pdetail-tabs { margin-top: 76px; }
.pdetail-tab-list {
    display: flex;
    align-items: flex-end;
    gap: clamp(22px, 3.5vw, 52px);
    overflow-x: auto;
    border-bottom: 1px solid var(--pdetail-line);
}
.pdetail-tab-button {
    position: relative;
    min-height: 56px;
    flex: 0 0 auto;
    padding: 0 0 15px;
    border: 0;
    color: #9aa0aa;
    background: transparent;
    font-size: clamp(18px,1.6vw,25px);
    font-weight: 700;
    white-space: nowrap;
    cursor: pointer;
}
.pdetail-tab-button::after {
    content: "";
    position: absolute;
    left: 0;
    right: 0;
    bottom: -1px;
    height: 1px;
    background: #111317;
    transform: scaleX(0);
    transform-origin: right center;
    transition: transform .24s ease;
}
.pdetail-tab-button.is-active { color: #111317; }
.pdetail-tab-button.is-active::after { transform: scaleX(1); transform-origin: left center; }

.pdetail-tab-panel {
    padding: 25px 0 0;
    color: #25282d;
    font-size: 14px;
    line-height: 1.78;
}
.pdetail-tab-panel[hidden] { display: none !important; }
.pdetail-richtext { max-width: 1240px; }
.pdetail-richtext img { max-width: 100%; height: auto; }
.pdetail-feature-block { margin-top: 24px; }
.pdetail-feature-block h2, .pdetail-text-panel h2 { margin: 0 0 10px; font-size: 18px; }
.pdetail-feature-block ul { padding-left: 21px; }

.pdetail-spec-grid {
    display: grid;
    grid-template-columns: repeat(2,minmax(0,1fr));
    gap: 26px;
}
.pdetail-spec-grid dl { margin: 0; }
.pdetail-spec-grid div {
    min-height: 48px;
    display: grid;
    grid-template-columns: minmax(120px,.65fr) minmax(0,1.35fr);
    align-items: center;
    gap: 20px;
    border-bottom: 1px solid #e3e5e8;
}
.pdetail-spec-grid dt { color: #1d2025; font-weight: 650; }
.pdetail-spec-grid dd { margin: 0; color: #555a62; }

.pdetail-text-panel { max-width: 1240px; }
.pdetail-preline { margin-bottom: 24px; white-space: pre-line; }
.pdetail-capability-cards {
    display: grid;
    grid-template-columns: repeat(3,minmax(0,1fr));
    gap: 13px;
    margin-top: 23px;
}
.pdetail-capability-cards article {
    min-height: 110px;
    display: flex;
    flex-direction: column;
    justify-content: center;
    padding: 20px;
    border-radius: 10px;
    background: #f4f5f6;
}
.pdetail-capability-cards strong { margin-bottom: 5px; color: #17191d; }
.pdetail-capability-cards span { color: #858991; font-size: 12px; }

@media (max-width:1120px) {
    .pdetail-hero { grid-template-columns: minmax(0,1fr) minmax(360px,.88fr); gap: 36px; }
    .pdetail-gallery { grid-template-columns: 70px minmax(0,1fr); }
    .pdetail-thumb { width: 62px; height: 72px; flex-basis: 72px; }
}

@media (max-width:860px) {
    .pdetail-page { width: calc(100% - 24px); padding-top: 24px; }
    .pdetail-hero { grid-template-columns: 1fr; gap: 34px; }
    .pdetail-gallery { grid-template-columns: 1fr; }
    .pdetail-thumbnails { order: 2; max-height: none; flex-direction: row; overflow-x: auto; overflow-y: hidden; }
    .pdetail-main-media { order: 1; aspect-ratio: 1/1; }
    .pdetail-summary h1 { font-size: clamp(30px,8vw,42px); }
    .pdetail-tabs { margin-top: 54px; }
    .pdetail-spec-grid { grid-template-columns: 1fr; gap: 0; }
}

@media (max-width:520px) {
    .pdetail-gallery-arrow { width: 42px; height: 42px; }
    .pdetail-gallery-prev { left: 10px; }
    .pdetail-gallery-next { right: 10px; }
    .pdetail-fullscreen-button { top: 10px; right: 10px; width: 42px; height: 42px; }
    .pdetail-metrics { grid-template-columns: 1fr; }
    .pdetail-quick-info div { grid-template-columns: 100px minmax(0,1fr); }
    .pdetail-tab-list { gap: 24px; }
    .pdetail-tab-button { font-size: 18px; }
    .pdetail-capability-cards { grid-template-columns: 1fr; }
    .pdetail-lightbox { padding: 58px 12px 20px; }
}

/* PD-DETAIL-VIEWPORT-V2-START */


/* ==================================================
   Product detail viewport optimization v2

   1. 去掉Tab区域可见滚动条；
   2. 保留窄屏横向滑动；
   3. 适配1366×768、1600×900等电脑分辨率。
   ================================================== */


/* Tab导航只允许横向溢出，不产生纵向滚动条 */

.pdetail-tabs .pdetail-tab-list {
    overflow-x: auto !important;
    overflow-y: hidden !important;

    scrollbar-width: none;
    -ms-overflow-style: none;

    overscroll-behavior-x: contain;
    overscroll-behavior-y: none;
}


/* Chrome、Edge、Safari隐藏滚动条外观 */

.pdetail-tabs .pdetail-tab-list::-webkit-scrollbar {
    width: 0 !important;
    height: 0 !important;
    display: none !important;
}


/* 防止按钮阴影或文字高度制造纵向溢出 */

.pdetail-tabs .pdetail-tab-button {
    flex-shrink: 0;
    overflow: visible;
}


/* ==================================================
   紧凑型桌面屏幕
   常见于1366×768、1440×900、1600×900
   ================================================== */

@media
    (min-width: 861px)
    and (max-width: 1440px) {

    .pdetail-page {
        width: calc(100% - 40px);
        padding-top: 28px;
        padding-bottom: 72px;
    }

    .pdetail-breadcrumb {
        margin-bottom: 22px;
    }

    .pdetail-hero {
        grid-template-columns:
            minmax(0, 1fr)
            minmax(350px, 0.9fr);

        gap: 34px;
    }

    .pdetail-gallery {
        grid-template-columns:
            72px
            minmax(0, 1fr);

        gap: 12px;
    }

    .pdetail-thumb {
        width: 64px;
        height: 72px;
        flex-basis: 72px;
    }

    .pdetail-summary h1 {
        font-size:
            clamp(
                30px,
                2.8vw,
                42px
            );
    }

    .pdetail-subtitle {
        margin-top: 14px;
    }

    .pdetail-metrics {
        margin-top: 20px;
    }

    .pdetail-actions {
        margin-top: 21px;
    }

    .pdetail-quick-info {
        margin-top: 22px;
    }

    .pdetail-tabs {
        margin-top: 58px;
    }

    .pdetail-tab-list {
        gap:
            clamp(
                22px,
                2.8vw,
                38px
            );
    }

    .pdetail-tab-button {
        min-height: 50px;

        font-size:
            clamp(
                18px,
                1.55vw,
                22px
            );
    }
}


/* ==================================================
   高度较低的电脑屏幕
   重点适配1366×768及浏览器缩放后的视口
   ================================================== */

@media
    (min-width: 861px)
    and (max-height: 800px) {

    .pdetail-page {
        padding-top: 20px;
    }

    .pdetail-breadcrumb {
        margin-bottom: 18px;
    }

    .pdetail-hero {
        gap: 30px;
    }

    .pdetail-main-media {
        aspect-ratio: 1 / 0.94;
    }

    .pdetail-summary {
        padding-top: 0;
    }

    .pdetail-tags {
        margin-top: 13px;
    }

    .pdetail-price {
        margin-top: 18px;
    }

    .pdetail-metrics {
        margin-top: 18px;
    }

    .pdetail-actions {
        margin-top: 18px;
    }

    .pdetail-tabs {
        margin-top: 46px;
    }
}


/* 手机端继续保留Tab横向滑动 */

@media (max-width: 860px) {
    .pdetail-tabs .pdetail-tab-list {
        width: 100%;

        padding-bottom: 0;

        -webkit-overflow-scrolling: touch;
    }
}


/* PD-DETAIL-VIEWPORT-V2-END */