/* Product detail — editorial specification sheet, 2026-09-21 */
.product-detail-page {
    --pd-bg: #f7f3ec;
    --pd-paper: #e9ece7;
    --pd-ink: #20282a;
    --pd-text: #4d5554;
    --pd-muted: #737771;
    --pd-line: #d5d0c6;
    --pd-red: #a85232;
    --pd-green: #2c4144;
    overflow-x: hidden;
    background: var(--pd-bg);
    color: var(--pd-text);
}

.product-detail-page .breadcrumb-nav {
    margin-top: 0;
    padding-top: 104px;
    border-bottom: 1px solid var(--pd-line);
    background: var(--pd-bg);
}

.product-detail-page .breadcrumb-nav .container { max-width: 1160px; }
.product-detail-page .breadcrumb-list { padding: 18px 0; font-size: 12px; }
.product-detail-page .breadcrumb-list a { color: var(--pd-red); }
.product-detail-page .breadcrumb-list .bc-current { color: var(--pd-muted); }

.product-detail-page > .section {
    padding: 54px 0 100px;
    background: var(--pd-bg);
}

.product-detail-page > .section > .container { max-width: 1160px; }

.product-detail-page .pd-wrap {
    display: grid;
    grid-template-columns: minmax(0, 1.04fr) minmax(0, .96fr);
    gap: clamp(58px, 7vw, 92px);
    align-items: start;
    margin-top: 0;
}

.product-detail-page .pd-gallery {
    position: sticky;
    top: 116px;
    min-width: 0;
}

.product-detail-page .pd-imgwrap {
    position: relative;
    isolation: isolate;
    aspect-ratio: 1 / 1;
    border: 0;
    border-radius: 0;
    overflow: visible;
    background: var(--pd-paper);
}

.product-detail-page .pd-imgwrap::before {
    content: '';
    position: absolute;
    z-index: -1;
    top: -18px;
    right: -18px;
    width: 42%;
    height: 42%;
    border-top: 1px solid var(--pd-green);
    border-right: 1px solid var(--pd-green);
}

.product-detail-page .pd-imgwrap::after {
    content: 'PRODUCT / SPECIFICATION';
    position: absolute;
    z-index: 3;
    right: -10px;
    bottom: 24px;
    padding: 16px 8px 14px;
    background: var(--pd-green);
    color: rgba(255, 255, 255, .8);
    font-family: 'Noto Sans TC', sans-serif;
    font-size: 8px;
    letter-spacing: .17em;
    writing-mode: vertical-rl;
}

.product-detail-page .pd-img {
    width: 100%;
    height: 100%;
    padding: clamp(28px, 5vw, 64px);
    object-fit: contain;
    background: transparent;
    filter: saturate(.86) contrast(1.02);
}

.product-detail-page .pd-navbtn {
    width: 42px;
    height: 42px;
    border: 1px solid var(--pd-line);
    border-radius: 0;
    background: rgba(250, 248, 244, .92);
    box-shadow: none;
}

.product-detail-page .pd-counter {
    right: 22px;
    bottom: 18px;
    border-radius: 0;
    background: var(--pd-ink);
    font-size: 11px;
    letter-spacing: .08em;
}

.product-detail-page .pd-thumbs { gap: 8px; margin-top: 20px; }
.product-detail-page .pd-thumb {
    width: 76px;
    height: 76px;
    border: 1px solid var(--pd-line);
    border-radius: 0;
    background: var(--pd-paper);
}
.product-detail-page .pd-thumb.is-active { border-color: var(--pd-red); }

.product-detail-page .pd-info { min-width: 0; padding-top: 10px; }
.product-detail-page .pd-info::before {
    content: 'PRODUCT DETAIL';
    display: block;
    margin-bottom: 18px;
    color: var(--pd-red);
    font-family: 'Noto Sans TC', sans-serif;
    font-size: 10px;
    font-weight: 700;
    letter-spacing: .24em;
}

.product-detail-page .pd-name {
    max-width: 540px;
    margin: 0 0 10px;
    color: var(--pd-ink);
    font-family: 'Noto Serif TC', serif;
    font-size: clamp(34px, 3.1vw, 46px);
    font-weight: 500;
    letter-spacing: .045em;
    line-height: 1.42;
}

.product-detail-page .pd-model {
    margin: 0 0 34px;
    padding-bottom: 18px;
    border-bottom: 1px solid var(--pd-red);
    color: var(--pd-red);
    font-size: 11px;
    font-weight: 700;
    letter-spacing: .14em;
}

.product-detail-page .pd-specs {
    margin: 0 0 28px;
    border: 0;
    border-top: 1px solid var(--pd-ink);
    border-bottom: 1px solid var(--pd-ink);
    border-radius: 0;
}

.product-detail-page .pd-spec-row {
    display: grid;
    grid-template-columns: minmax(116px, 32%) 1fr;
    border-bottom: 1px solid var(--pd-line);
    font-size: 14px;
}
.product-detail-page .pd-spec-row:last-child { border-bottom: 0; }
.product-detail-page .pd-spec-label {
    padding: 13px 12px 13px 0;
    background: transparent;
    color: var(--pd-muted);
    font-size: 11px;
    font-weight: 700;
    letter-spacing: .06em;
}
.product-detail-page .pd-spec-value {
    padding: 13px 0 13px 18px;
    border-left: 1px solid var(--pd-line);
    color: var(--pd-ink);
    line-height: 1.6;
}

.product-detail-page .pd-use {
    margin: 0 0 22px;
    padding: 22px 24px;
    border: 0;
    border-left: 3px solid var(--pd-green);
    border-radius: 0;
    background: #e7ebe6;
    color: #3c4b4a;
    font-size: 14px;
    line-height: 1.85;
}

.product-detail-page .pd-note {
    margin: 0 0 28px;
    color: var(--pd-muted);
    font-size: 13px;
    line-height: 1.9;
}

.product-detail-page .pd-catalog {
    margin: 0 0 28px;
    padding: 18px 0;
    border: 0;
    border-top: 1px solid var(--pd-line);
    border-bottom: 1px solid var(--pd-line);
    border-radius: 0;
    background: transparent;
}
.product-detail-page .pd-catalog-ico { font-size: 22px; }
.product-detail-page .pd-catalog-txt strong {
    color: var(--pd-ink);
    font-family: 'Noto Serif TC', serif;
    font-size: 16px;
    font-weight: 700;
}
.product-detail-page .pd-catalog-txt span { color: var(--pd-muted); font-size: 12px; }
.product-detail-page .pd-catalog-btn {
    position: relative;
    padding: 8px 25px 6px 0;
    border-bottom: 1px solid currentColor;
    border-radius: 0;
    background: transparent;
    color: var(--pd-red);
    font-size: 12px;
    letter-spacing: .06em;
}
.product-detail-page .pd-catalog-btn::after {
    content: '↗';
    position: absolute;
    right: 0;
    top: 50%;
    font-size: 16px;
    transform: translateY(-54%);
}

.product-detail-page .pd-cta {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 24px;
    padding-top: 4px;
}
.product-detail-page .pd-cta a {
    --cta-main: var(--pd-red);
    --cta-soft: #f1dfd4;
    position: relative;
    display: grid;
    min-width: 0;
    min-height: 72px;
    grid-template-columns: minmax(0, 1fr);
    align-items: flex-start;
    padding: 29px 60px 12px 0;
    overflow: visible;
    border: 0;
    border-top: 1px solid var(--cta-main);
    border-bottom: 1px solid var(--pd-line);
    border-radius: 0;
    background: transparent;
    font-size: 15px;
    letter-spacing: .04em;
    line-height: 1.35;
    text-align: left;
    text-decoration: none;
    overflow-wrap: anywhere;
    opacity: 1;
    transform: none;
    cursor: pointer;
    transition: color .25s, border-color .25s;
}
.product-detail-page .pd-cta a::before {
    position: absolute;
    top: 10px;
    left: 0;
    font-size: 8px;
    font-weight: 500;
    letter-spacing: .16em;
    opacity: .72;
}
.product-detail-page .pd-cta a::after {
    content: '✓';
    position: absolute;
    top: 50%;
    right: 2px;
    display: grid;
    width: 42px;
    height: 42px;
    place-items: center;
    border: 1px solid var(--cta-main);
    border-radius: 50%;
    background: var(--cta-soft);
    color: var(--cta-main);
    font-family: Arial, sans-serif;
    font-size: 18px;
    font-weight: 400;
    line-height: 1;
    pointer-events: none;
    transform: translateY(-50%);
    transition: color .25s, background-color .25s, transform .25s;
}
.product-detail-page .pd-cta a.pd-cta-line {
    --cta-main: var(--pd-green);
    --cta-soft: #dfe5e1;
    color: var(--pd-ink);
}
.product-detail-page .pd-cta-line::before { content: 'QUICK CONTACT  /  LINE'; }
.product-detail-page .pd-cta-form,
.product-detail-page .pd-cta-tel {
    color: var(--pd-red);
}
.product-detail-page .pd-cta-form::before { content: 'SEND REQUEST  /  FORM'; }
.product-detail-page .pd-cta-tel::before { content: 'DIRECT CONTACT  /  PHONE'; }
.product-detail-page .pd-cta a:hover,
.product-detail-page .pd-cta a:focus-visible {
    border-bottom-color: var(--cta-main);
    opacity: 1;
    transform: none;
}
.product-detail-page .pd-cta a:focus { outline: none; }
.product-detail-page .pd-cta a:focus-visible {
    outline: 2px solid var(--cta-main);
    outline-offset: 4px;
}
.product-detail-page .pd-cta a:hover::after,
.product-detail-page .pd-cta a:focus-visible::after {
    background: var(--cta-main);
    color: #fffaf3;
    transform: translateY(-50%) scale(1.06);
}

.product-detail-page #pdContent + div { margin-top: 52px !important; text-align: left !important; }
.product-detail-page #backCatBtn {
    padding: 0 0 5px;
    border: 0;
    border-bottom: 1px solid var(--pd-red);
    border-radius: 0;
    background: transparent;
    color: var(--pd-red);
    box-shadow: none;
    font-size: 13px;
}

@media (max-width: 900px) {
    .product-detail-page .pd-wrap { grid-template-columns: 1fr; gap: 48px; }
    .product-detail-page .pd-gallery { position: static; width: min(100%, 620px); margin: 0 auto; }
    .product-detail-page .pd-info { width: min(100%, 680px); margin: 0 auto; }
}

@media (max-width: 620px) {
    .product-detail-page .breadcrumb-nav { padding-top: 82px; }
    .product-detail-page .breadcrumb-list { padding: 14px 0; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
    .product-detail-page > .section { padding: 34px 0 68px; }
    .product-detail-page > .section > .container { padding-right: 20px; padding-left: 20px; }
    .product-detail-page .pd-wrap { gap: 38px; }
    .product-detail-page .pd-imgwrap::before { top: -10px; right: -10px; }
    .product-detail-page .pd-imgwrap::after { right: -6px; bottom: 18px; padding: 12px 6px; font-size: 6px; }
    .product-detail-page .pd-img { padding: 28px; }
    .product-detail-page .pd-info { padding-top: 0; }
    .product-detail-page .pd-name { font-size: 31px; }
    .product-detail-page .pd-model { margin-bottom: 26px; }
    .product-detail-page .pd-spec-row { grid-template-columns: 108px 1fr; font-size: 13px; }
    .product-detail-page .pd-spec-label { padding-right: 10px; }
    .product-detail-page .pd-spec-value { padding-left: 14px; }
    .product-detail-page .pd-use { padding: 18px; }
    .product-detail-page .pd-cta { grid-template-columns: 1fr; }
    .product-detail-page #pdContent + div { margin-top: 38px !important; }
}