/* v13 产品详情视觉，仅在规范产品详情页按需加载。 */
#overview, #highlights, #spec, #detail-content, #selection { scroll-margin-top: 154px; }
.lv-pd-hero { background: linear-gradient(135deg, var(--ink) 0%, var(--ink-2) 100%); color: #fff; padding: 0 0 60px; }
.lv-anchor-nav { position: sticky; top: 72px; z-index: 98; background: rgba(17,17,17,.92); backdrop-filter: blur(8px); -webkit-backdrop-filter: blur(8px); border-bottom: 1px solid rgba(255,255,255,.12); padding: 13px 0; }
.lv-anchor-nav__inner { max-width: 1200px; margin: 0 auto; padding: 0 20px; display: flex; gap: 26px; justify-content: center; flex-wrap: wrap; align-items: center; }
.lv-anchor-nav__inner a { color: #fff; text-decoration: none; font-size: 14px; font-weight: 700; }
.lv-anchor-nav__cta { color: var(--accent); background: none; border: 0; font-size: 14px; font-weight: 800; cursor: pointer; padding: 0; }
.lv-pd-hero__grid { display: grid; grid-template-columns: 1fr 1fr; gap: 48px; align-items: center; margin-top: 44px; }
.lv-pd-hero__copy, .lv-pd-gallery, .lv-apps__card { min-width: 0; }
.lv-pd-hero .eyebrow { color: rgba(255,255,255,.6); }
.lv-pd-hero h1 { margin: 12px 0 8px; font-size: clamp(30px, 4vw, 46px); letter-spacing: -.02em; overflow-wrap: anywhere; }
.lv-pd-hero__tagline { color: var(--accent); font-weight: 800; font-size: 18px; margin: 0 0 14px; overflow-wrap: anywhere; }
.lv-pd-hero__lead { color: rgba(255,255,255,.88); line-height: 1.9; margin: 0 0 20px; font-size: 15px; overflow-wrap: anywhere; }
.lv-chip-list { list-style: none; display: flex; flex-wrap: wrap; gap: 10px; padding: 0; margin: 0 0 26px; }
.lv-chip-list li { background: rgba(255,255,255,.1); border: 1px solid rgba(255,255,255,.25); border-radius: 20px; padding: 6px 14px; font-size: 12px; }
.lv-pd-hero__actions { display: flex; gap: 14px; flex-wrap: wrap; align-items: center; }
.lv-btn-outline { display: inline-block; padding: 13px 30px; background: transparent; color: #fff; border: 2px solid rgba(255,255,255,.6); border-radius: 6px; font-weight: 700; text-decoration: none; font-size: 15px; }

.lv-pd-gallery { border-radius: 12px; overflow: hidden; background: #fff; }
.lv-pd-gallery__track { display: flex; overflow-x: auto; scroll-snap-type: x mandatory; scrollbar-width: none; }
.lv-pd-gallery__track::-webkit-scrollbar { display: none; }
.lv-pd-gallery__slide { flex: 0 0 100%; scroll-snap-align: start; margin: 0; aspect-ratio: 3 / 2; }
.lv-pd-gallery__slide img { width: 100%; height: 100%; object-fit: contain; display: block; }
.lv-pd-gallery__nav { display: flex; justify-content: flex-end; gap: 8px; padding: 10px 12px; background: #fff; }
.lv-pd-gallery__nav button { width: 36px; height: 36px; border-radius: 50%; border: 1px solid #D2D2CE; background: #fff; cursor: pointer; font-size: 15px; }

.lv-pd-highlights { background: var(--surface); }
.lv-pd-highlights .section-heading > p { max-width: 520px; color: var(--muted); line-height: 1.8; }
.lv-pd-highlights__grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 1px; margin-top: 42px; background: var(--line); border: 1px solid var(--line); }
.lv-pd-highlight { position: relative; min-width: 0; min-height: 220px; padding: 34px 38px; background: #fff; }
.lv-pd-highlight > span { color: var(--accent-text); font-size: 18px; font-weight: 800; letter-spacing: .08em; }
.lv-pd-highlight h3 { margin: 34px 0 12px; color: var(--ink); font-size: clamp(20px, 2.3vw, 28px); line-height: 1.35; overflow-wrap: anywhere; }
.lv-pd-highlight p { margin: 0; color: var(--muted); line-height: 1.85; overflow-wrap: anywhere; }

.lv-pd-content { background: #fff; }
.lv-pd-content__shell { max-width: 1040px; }
.lv-pd-content .article-reading__body { color: var(--text); font-size: 17px; line-height: 1.95; overflow-wrap: anywhere; }
.lv-pd-content .article-reading__body h2, .lv-pd-content .article-reading__body h3 { margin: 2em 0 .75em; color: var(--ink); line-height: 1.35; }
.lv-pd-content .article-reading__body p, .lv-pd-content .article-reading__body ul, .lv-pd-content .article-reading__body ol { margin: 0 0 1.25em; }
.lv-pd-content .article-reading__body img { display: block; max-width: 100%; height: auto; margin: 28px auto; }
.lv-pd-content .article-reading__body table { display: block; width: 100%; overflow-x: auto; border-collapse: collapse; }
.lv-pd-content .article-reading__body th, .lv-pd-content .article-reading__body td { min-width: 140px; padding: 12px 14px; border: 1px solid var(--line); text-align: left; }

.lv-spec-table table { width: 100%; border-collapse: collapse; margin-bottom: 22px; font-size: 14px; }
.lv-spec-table thead th { background: var(--ink); color: #fff; border: 1px solid #D8D8D5; padding: 10px 16px; text-align: left; font-size: 15px; }
.lv-spec-table tbody th { width: 22%; background: var(--surface); border: 1px solid #D8D8D5; padding: 11px 16px; text-align: left; color: #2D2D2D; font-weight: 700; overflow-wrap: anywhere; }
.lv-spec-table tbody td { border: 1px solid #D8D8D5; padding: 11px 16px; color: #5F5F5F; line-height: 1.7; overflow-wrap: anywhere; }

.lv-apps__grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px; margin-top: 40px; }
.lv-apps__card { display: block; background: #fff; border: 1px solid #E4E4E1; border-radius: 10px; padding: 20px; text-decoration: none; transition: box-shadow .25s ease; }
.lv-apps__card:hover { box-shadow: var(--shadow); }
.lv-apps__card strong { display: block; color: var(--ink); font-size: 15px; line-height: 1.5; overflow-wrap: anywhere; }
.lv-apps__card span { display: block; color: var(--muted); font-size: 13px; margin-top: 8px; overflow-wrap: anywhere; }

.lv-selection { background: var(--ink); color: #fff; }
.lv-selection__grid { display: grid; grid-template-columns: minmax(0, 1.05fr) minmax(380px, .95fr); gap: 90px; align-items: start; }
.lv-selection__copy .eyebrow { color: var(--accent); }
.lv-selection__copy h2 { margin: 18px 0 20px; color: #fff; font-size: clamp(30px, 4vw, 48px); }
.lv-selection__copy p { max-width: 660px; color: rgba(255,255,255,.72); line-height: 1.9; }
.lv-selection__copy ul { margin: 28px 0; padding: 0; list-style: none; }
.lv-selection__copy li { position: relative; padding: 12px 0 12px 24px; border-bottom: 1px solid rgba(255,255,255,.12); color: rgba(255,255,255,.86); }
.lv-selection__copy li::before { position: absolute; left: 0; color: var(--accent); content: "•"; }
.lv-selection__copy small { display: block; margin-top: 6px; color: rgba(255,255,255,.5); }
.lv-selection__actions { border-top: 1px solid rgba(255,255,255,.18); }
.lv-selection__actions a, .lv-selection__actions button { display: grid; width: 100%; grid-template-columns: 42px 1fr; gap: 4px 18px; align-items: center; padding: 24px 10px; border: 0; border-bottom: 1px solid rgba(255,255,255,.18); background: transparent; color: #fff; text-align: left; cursor: pointer; }
.lv-selection__actions span { grid-row: 1 / 3; color: var(--accent); font-size: 12px; font-weight: 800; }
.lv-selection__actions strong { font-size: 19px; }
.lv-selection__actions small { color: rgba(255,255,255,.55); }
.lv-selection__actions a:hover, .lv-selection__actions button:hover { background: rgba(255,255,255,.06); }

@media (max-width: 960px) {
    .lv-pd-hero__grid { grid-template-columns: 1fr; }
    .lv-apps__grid { grid-template-columns: repeat(2, 1fr); }
    .lv-selection__grid { grid-template-columns: 1fr; gap: 48px; }
}
@media (max-width: 640px) {
    #overview, #highlights, #spec, #detail-content, #selection { scroll-margin-top: 132px; }
    .lv-apps__grid { grid-template-columns: 1fr; }
    .lv-pd-highlights__grid { grid-template-columns: 1fr; }
    .lv-pd-highlight { min-height: 0; padding: 28px 24px; }
    .lv-pd-highlight > span { font-size: 16px; }
    .lv-pd-highlight h3 { margin-top: 22px; }
    .lv-selection__actions a, .lv-selection__actions button { padding-left: 0; padding-right: 0; }
    .lv-pd-hero { padding: 0 0 44px; }
    .lv-pd-hero__grid { margin-top: 32px; }
    .lv-anchor-nav { top: 72px; }
    .lv-anchor-nav__inner { gap: 18px; }
    .lv-spec-table { overflow-x: visible; }
    .lv-spec-table table, .lv-spec-table thead, .lv-spec-table tbody,
    .lv-spec-table tr, .lv-spec-table th, .lv-spec-table td { display: block; width: 100%; min-width: 0; }
    .lv-spec-table table { border: 1px solid #D8D8D5; }
    .lv-spec-table thead th { border: 0; }
    .lv-spec-table tbody th { width: 100%; border: 0; border-top: 1px solid #D8D8D5; padding: 10px 14px 4px; }
    .lv-spec-table tbody td { border: 0; padding: 0 14px 12px; word-break: break-word; }
}

/* v13.4：产品详情相关常见问题链接 */
.lv-pd-faq { margin-top: 18px; padding-top: 14px; border-top: 1px dashed rgba(255,255,255,.22); }
.lv-pd-faq strong { display: block; margin-bottom: 8px; font-size: 14px; color: #fff; }
.lv-pd-faq ul { margin: 0; padding: 0; list-style: none; }
.lv-pd-faq li { position: static; margin: 0; padding: 4px 0; border-bottom: none; }
.lv-pd-faq li::before { content: none; }
.lv-pd-faq a { color: var(--accent-text); text-decoration: underline; text-underline-offset: 3px; font-size: 14px; }
.lv-pd-faq a:hover { color: var(--accent-dark); }