/* Product Detail Page (PDP) Specific Styles */
body {
    background-color: #050505;
}

.tm-pdp-main {
    padding-top: calc(var(--tm-header-height) + 40px);
    min-height: 100vh;
}

/* 面包屑导航 */
.tm-pdp-breadcrumb {
    max-width: var(--tm-max-width);
    margin: 0 auto;
    padding: 0 var(--tm-spacing-lg) 24px;
    display: flex;
    gap: 8px;
    align-items: center;
    font-size: 0.85rem;
    color: var(--tm-color-text-muted);
    flex-wrap: wrap;
}

.tm-pdp-breadcrumb a {
    color: var(--tm-color-text-muted);
    transition: color 0.2s;
}

.tm-pdp-breadcrumb a:hover {
    color: var(--tm-color-text);
}

.tm-pdp-breadcrumb .current {
    color: var(--tm-color-accent);
}

/* 顶部返回按钮 */
.tm-back-btn-mobile {
    display: none;
    color: var(--tm-color-primary);
    font-size: 0.9rem;
}

/* 首屏概览排版 */
.tm-pdp-hero {
    max-width: var(--tm-max-width);
    margin: 0 auto;
    padding: 24px var(--tm-spacing-lg) var(--tm-spacing-xl);
    display: flex;
    gap: var(--tm-spacing-xl);
    align-items: flex-start;
}

.tm-pdp-gallery {
    flex: 1.2;
    background-color: var(--tm-color-bg-secondary);
    border-radius: 8px;
    overflow: hidden;
    border: 1px solid var(--tm-color-border);
    display: flex;
    justify-content: center;
    align-items: center;
    height: 600px;
    /* 固定高度确保整齐 */
}

#pdp-main-img {
    max-width: 100%;
    max-height: 100%;
    object-fit: contain;
}

.tm-pdp-info {
    flex: 1;
    padding-top: var(--tm-spacing-md);
}

.tm-pdp-title {
    font-size: 2.2rem;
    font-weight: 800;
    color: var(--tm-color-text);
    margin-bottom: 8px;
    line-height: 1.2;
}

.tm-pdp-subtitle {
    font-size: 1rem;
    color: var(--tm-color-accent);
    letter-spacing: 2px;
    margin-bottom: var(--tm-spacing-md);
    text-transform: uppercase;
}

.tm-pdp-desc {
    font-size: 1.05rem;
    color: var(--tm-color-text-muted);
    line-height: 1.8;
    margin-bottom: var(--tm-spacing-lg);
    overflow-wrap: break-word;
    word-wrap: break-word;
}

/* 缩略图栏 */
.tm-pdp-thumbs {
    display: flex;
    gap: 12px;
    margin-bottom: var(--tm-spacing-xl);
    flex-wrap: wrap;
}

.tm-pdp-thumbs img {
    width: 80px;
    height: 80px;
    object-fit: cover;
    border: 2px solid transparent;
    border-radius: 4px;
    cursor: pointer;
    opacity: 0.6;
    transition: var(--tm-transition-fast);
}

.tm-pdp-thumbs img:hover {
    opacity: 1;
}

.tm-pdp-thumbs img.active {
    border-color: var(--tm-color-text);
    opacity: 1;
}

/* 向下滚动查看资料长图按钮 */
.tm-pdp-scroll-btn {
    display: inline-block;
    padding: 14px 32px;
    background-color: var(--tm-color-bg-secondary);
    color: var(--tm-color-text);
    border: 1px solid var(--tm-color-border);
    font-weight: 600;
    letter-spacing: 1px;
    border-radius: 4px;
}

.tm-pdp-scroll-btn:hover {
    background-color: var(--tm-color-text);
    color: #000;
}

/* 底部极简化，确保只有长图视觉重心 */
.tm-pdp-details-section {
    width: 100%;
    background-color: #000;
    /* 长图通常有自己的底色，用纯黑托底最好 */
    padding: var(--tm-spacing-xl) 0;
    border-top: 1px solid var(--tm-color-border);
}

.tm-pdp-long-image-container {
    max-width: 1000px;
    margin: 0 auto;
}

.tm-pdp-long-image-container img {
    width: 100%;
    height: auto;
    display: block;
    /* 防止图片自带的下巴空白 */
}

/* 预留占位区样式 */
.tm-pdp-pdf-placeholder {
    width: 100%;
    height: 800px;
    border: 2px dashed var(--tm-color-border);
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    text-align: center;
    color: var(--tm-color-text-muted);
    background-color: var(--tm-color-bg-secondary);
    padding: 20px;
}

/* ========================================
   HTML Detail Sections (replaces image-based details)
   ======================================== */

/* Section wrapper */
.tm-detail-section {
    max-width: var(--tm-max-width);
    margin: 0 auto;
    padding: var(--tm-spacing-xl) var(--tm-spacing-lg);
    border-top: 1px solid var(--tm-color-border);
    /* scroll reveal */
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.6s ease, transform 0.6s ease;
}

.tm-detail-section.visible {
    opacity: 1;
    transform: translateY(0);
}

/* Section header */
.tm-detail-section-header {
    text-align: center;
    margin-bottom: 48px;
}

.tm-detail-section-header h2 {
    font-size: 1.8rem;
    font-weight: 800;
    color: var(--tm-color-text);
    margin-bottom: 8px;
    overflow-wrap: break-word;
    word-wrap: break-word;
}

.tm-detail-section-header .tm-section-sub {
    font-size: 0.8rem;
    color: var(--tm-color-accent);
    letter-spacing: 3px;
    text-transform: uppercase;
}

/* Features Grid */
.tm-features-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
    margin-bottom: 20px;
}

.tm-feature-card {
    background: var(--tm-color-bg-secondary);
    border: 1px solid var(--tm-color-border);
    border-radius: 12px;
    padding: 32px 24px;
    text-align: center;
    transition: var(--tm-transition-smooth);
}

.tm-feature-card:hover {
    border-color: var(--tm-color-accent);
    transform: translateY(-4px);
    box-shadow: 0 8px 32px rgba(211, 47, 47, 0.1);
}

.tm-feature-icon {
    font-size: 2rem;
    margin-bottom: 16px;
    width: 56px;
    height: 56px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 16px;
    background: rgba(211, 47, 47, 0.1);
    border-radius: 12px;
}

.tm-feature-card h3 {
    font-size: 1.05rem;
    font-weight: 700;
    color: var(--tm-color-text);
    margin-bottom: 8px;
    word-break: break-all;
    overflow-wrap: break-word;
}

.tm-feature-card p {
    font-size: 0.88rem;
    color: var(--tm-color-text-muted);
    line-height: 1.6;
    word-break: break-all;
    overflow-wrap: break-word;
}

/* Highlights Section */
.tm-highlights-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 48px;
    align-items: center;
}

.tm-highlights-row.reverse {
    direction: rtl;
}

.tm-highlights-row.reverse > * {
    direction: ltr;
}

.tm-highlights-content h3 {
    font-size: 1.4rem;
    font-weight: 800;
    color: var(--tm-color-text);
    margin-bottom: 8px;
    overflow-wrap: break-word;
    word-wrap: break-word;
}

.tm-highlights-content .tm-hl-sub {
    font-size: 0.8rem;
    color: var(--tm-color-accent);
    letter-spacing: 2px;
    text-transform: uppercase;
    margin-bottom: 20px;
}

.tm-highlights-list {
    list-style: none;
    padding: 0;
    margin: 0;
}

.tm-highlights-list li {
    padding: 12px 0;
    border-bottom: 1px solid var(--tm-color-border);
    font-size: 0.95rem;
    color: var(--tm-color-text-muted);
    line-height: 1.6;
    display: flex;
    align-items: flex-start;
    gap: 12px;
}

.tm-highlights-list li:last-child {
    border-bottom: none;
}

.tm-hl-marker {
    color: var(--tm-color-accent);
    font-weight: 700;
    flex-shrink: 0;
    margin-top: 2px;
}

.tm-highlights-visual {
    background: var(--tm-color-bg-secondary);
    border: 1px solid var(--tm-color-border);
    border-radius: 12px;
    overflow: hidden;
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 360px;
}

.tm-highlights-visual img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

/* Specs Table */
.tm-specs-table-wrap {
    max-width: 800px;
    margin: 0 auto;
    border: 1px solid var(--tm-color-border);
    border-radius: 12px;
    overflow: hidden;
}

.tm-specs-table {
    width: 100%;
    border-collapse: collapse;
}

.tm-specs-table tr {
    border-bottom: 1px solid var(--tm-color-border);
    transition: background-color 0.2s;
}

.tm-specs-table tr:last-child {
    border-bottom: none;
}

.tm-specs-table tr:hover {
    background-color: rgba(255, 255, 255, 0.03);
}

.tm-specs-table th,
.tm-specs-table td {
    padding: 16px 24px;
    font-size: 0.95rem;
}

.tm-specs-table th {
    text-align: left;
    color: var(--tm-color-text-muted);
    font-weight: 400;
    width: 35%;
    background: rgba(255, 255, 255, 0.02);
    border-right: 1px solid var(--tm-color-border);
}

.tm-specs-table td {
    color: var(--tm-color-text);
    font-weight: 600;
}

/* Scene Gallery */
.tm-scene-grid {
    display: grid;
    grid-template-columns: 1.4fr 1fr;
    gap: 16px;
}

.tm-scene-item {
    background: var(--tm-color-bg-secondary);
    border: 1px solid var(--tm-color-border);
    border-radius: 12px;
    overflow: hidden;
    position: relative;
}

.tm-scene-item img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
    min-height: 280px;
}

.tm-scene-badge {
    position: absolute;
    bottom: 16px;
    left: 16px;
    background: rgba(0, 0, 0, 0.75);
    backdrop-filter: blur(8px);
    color: var(--tm-color-text);
    padding: 8px 16px;
    border-radius: 6px;
    font-size: 0.8rem;
    letter-spacing: 1px;
    border: 1px solid var(--tm-color-border);
}

/* Model comparison strip */
.tm-model-strip {
    display: flex;
    gap: 12px;
    justify-content: center;
    margin-bottom: 48px;
}

.tm-model-btn {
    padding: 10px 28px;
    background: var(--tm-color-bg-secondary);
    border: 1px solid var(--tm-color-border);
    border-radius: 6px;
    color: var(--tm-color-text-muted);
    font-size: 0.9rem;
    font-weight: 600;
    cursor: pointer;
    transition: var(--tm-transition-fast);
    text-decoration: none;
}

.tm-model-btn:hover {
    border-color: var(--tm-color-text);
    color: var(--tm-color-text);
}

.tm-model-btn.active {
    border-color: var(--tm-color-accent);
    color: var(--tm-color-accent);
    background: rgba(211, 47, 47, 0.08);
}

/* CTA row */
.tm-cta-row {
    text-align: center;
    padding: var(--tm-spacing-xl) var(--tm-spacing-lg);
    border-top: 1px solid var(--tm-color-border);
}

.tm-cta-row h2 {
    font-size: 1.6rem;
    font-weight: 800;
    color: var(--tm-color-text);
    margin-bottom: 12px;
}

.tm-cta-row p {
    color: var(--tm-color-text-muted);
    margin-bottom: 24px;
    font-size: 0.95rem;
}

.tm-cta-btn {
    display: inline-block;
    padding: 16px 40px;
    background: var(--tm-color-accent);
    color: #fff;
    font-weight: 700;
    font-size: 1rem;
    border-radius: 6px;
    letter-spacing: 1px;
    transition: var(--tm-transition-fast);
    text-decoration: none;
}

.tm-cta-btn:hover {
    background: #b71c1c;
    transform: translateY(-2px);
    box-shadow: 0 8px 24px rgba(211, 47, 47, 0.3);
}

/* ========================================
   Stats / Numbers Bar
   ======================================== */
.tm-stats-bar {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 24px;
    text-align: center;
    padding: 24px 0;
}

.tm-stat-item {
    padding: 24px 16px;
    border: 1px solid var(--tm-color-border);
    border-radius: 12px;
    background: var(--tm-color-bg-secondary);
}

.tm-stat-number {
    font-size: 2.2rem;
    font-weight: 800;
    color: var(--tm-color-accent);
    line-height: 1;
    margin-bottom: 8px;
}

.tm-stat-label {
    font-size: 0.82rem;
    color: var(--tm-color-text-muted);
    line-height: 1.4;
}

/* ========================================
   Philosophy / Quote Banner
   ======================================== */
.tm-philosophy-banner {
    text-align: center;
    padding: 56px 24px;
    background: linear-gradient(135deg, rgba(211, 47, 47, 0.08) 0%, rgba(0, 0, 0, 0) 100%);
    border: 1px solid var(--tm-color-border);
    border-radius: 16px;
    margin-bottom: 24px;
}

.tm-philosophy-quote {
    font-size: 1.6rem;
    font-weight: 800;
    color: var(--tm-color-text);
    margin-bottom: 12px;
    line-height: 1.4;
    overflow-wrap: break-word;
    word-wrap: break-word;
}

.tm-philosophy-sub {
    font-size: 0.95rem;
    color: var(--tm-color-accent);
    font-style: italic;
    line-height: 1.6;
    overflow-wrap: break-word;
    word-wrap: break-word;
}

/* ========================================
   Mode / Feature Cards (2x2 or 2xN grid)
   ======================================== */
.tm-mode-cards {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 24px;
}

.tm-mode-card {
    background: var(--tm-color-bg-secondary);
    border: 1px solid var(--tm-color-border);
    border-radius: 12px;
    overflow: hidden;
    transition: var(--tm-transition-smooth);
}

.tm-mode-card:hover {
    border-color: var(--tm-color-accent);
    transform: translateY(-4px);
    box-shadow: 0 8px 32px rgba(211, 47, 47, 0.08);
}

.tm-mode-card-header {
    background: rgba(211, 47, 47, 0.12);
    padding: 16px 20px;
    font-weight: 700;
    font-size: 1.05rem;
    color: var(--tm-color-text);
    display: flex;
    align-items: center;
    gap: 10px;
}

.tm-mode-card-header .tm-mode-icon {
    font-size: 1.3rem;
}

.tm-mode-card-body {
    padding: 20px;
}

.tm-mode-card-body p {
    font-size: 0.88rem;
    color: var(--tm-color-text-muted);
    line-height: 1.7;
    margin-bottom: 12px;
}

.tm-mode-card-body p:last-child {
    margin-bottom: 0;
}

.tm-mode-card-body ul {
    list-style: none;
    padding: 0;
    margin: 0;
}

.tm-mode-card-body ul li {
    padding: 6px 0;
    font-size: 0.85rem;
    color: var(--tm-color-text-muted);
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
    display: flex;
    align-items: flex-start;
    gap: 8px;
}

.tm-mode-card-body ul li:last-child {
    border-bottom: none;
}

.tm-mode-card-tag {
    display: inline-block;
    background: rgba(211, 47, 47, 0.15);
    color: var(--tm-color-accent);
    padding: 3px 10px;
    border-radius: 4px;
    font-size: 0.75rem;
    font-weight: 600;
    margin-bottom: 8px;
}

/* ========================================
   Wide Scene Gallery (4 columns)
   ======================================== */
.tm-scene-gallery-wide {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 16px;
}

.tm-scene-gallery-wide .tm-scene-item img {
    min-height: 200px;
}

/* ========================================
   Version Comparison Grid
   ======================================== */
.tm-version-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 24px;
}

.tm-version-card {
    background: var(--tm-color-bg-secondary);
    border: 1px solid var(--tm-color-border);
    border-radius: 12px;
    overflow: hidden;
    text-align: center;
}

.tm-version-card.featured {
    border-color: var(--tm-color-accent);
    box-shadow: 0 4px 24px rgba(211, 47, 47, 0.12);
}

.tm-version-card-header {
    padding: 24px 20px;
    border-bottom: 1px solid var(--tm-color-border);
}

.tm-version-card.featured .tm-version-card-header {
    background: rgba(211, 47, 47, 0.08);
}

.tm-version-card-header h3 {
    font-size: 1.2rem;
    font-weight: 800;
    color: var(--tm-color-text);
    margin-bottom: 4px;
}

.tm-version-card-header .tm-version-sub {
    font-size: 0.8rem;
    color: var(--tm-color-accent);
    letter-spacing: 1px;
}

.tm-version-card-body {
    padding: 24px 20px;
}

.tm-version-card-body ul {
    list-style: none;
    padding: 0;
    margin: 0;
    text-align: left;
}

.tm-version-card-body ul li {
    padding: 10px 0;
    font-size: 0.88rem;
    color: var(--tm-color-text-muted);
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
    display: flex;
    align-items: flex-start;
    gap: 10px;
}

.tm-version-card-body ul li:last-child {
    border-bottom: none;
}

/* ========================================
   Partners / Cooperation Grid
   ======================================== */
.tm-partners-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 16px;
    text-align: center;
}

.tm-partner-item {
    background: var(--tm-color-bg-secondary);
    border: 1px solid var(--tm-color-border);
    border-radius: 8px;
    padding: 20px 12px 16px;
    transition: var(--tm-transition-fast);
}

.tm-partner-item:hover {
    border-color: var(--tm-color-text);
}

.tm-partner-icon {
    font-size: 2rem;
    margin-bottom: 12px;
}

.tm-partner-item p {
    font-size: 0.82rem;
    color: var(--tm-color-text-muted);
    line-height: 1.4;
}

/* ========================================
   Full-width Image Section
   ======================================== */
.tm-fullwidth-img {
    width: 100%;
    border-radius: 12px;
    overflow: hidden;
    border: 1px solid var(--tm-color-border);
    margin: 24px 0;
}

.tm-fullwidth-img img {
    width: 100%;
    height: auto;
    display: block;
}

/* ========================================
   Tech Showcase (image + text stacked)
   ======================================== */
.tm-tech-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
}

.tm-tech-item {
    background: var(--tm-color-bg-secondary);
    border: 1px solid var(--tm-color-border);
    border-radius: 12px;
    overflow: hidden;
    transition: var(--tm-transition-smooth);
}

.tm-tech-item:hover {
    border-color: var(--tm-color-accent);
    transform: translateY(-4px);
}

.tm-tech-item-img {
    height: 200px;
    overflow: hidden;
}

.tm-tech-item-img img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.tm-tech-item-body {
    padding: 20px;
}

.tm-tech-item-body h4 {
    font-size: 1rem;
    font-weight: 700;
    color: var(--tm-color-text);
    margin-bottom: 8px;
}

.tm-tech-item-body p {
    font-size: 0.85rem;
    color: var(--tm-color-text-muted);
    line-height: 1.6;
}

/* ========================================
   Inline two-column text section
   ======================================== */
.tm-two-col-text {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 48px;
    margin: 24px 0;
}

.tm-two-col-text h3 {
    font-size: 1.2rem;
    font-weight: 700;
    color: var(--tm-color-text);
    margin-bottom: 12px;
}

.tm-two-col-text p {
    font-size: 0.9rem;
    color: var(--tm-color-text-muted);
    line-height: 1.7;
}

/* ========================================
   Responsive - Detail Sections
   ======================================== */
@media (max-width: 900px) {
    .tm-detail-section {
        word-break: break-all;
        overflow-wrap: anywhere;
    }

    .tm-features-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .tm-highlights-row {
        grid-template-columns: 1fr;
        gap: 24px;
    }

    .tm-highlights-row.reverse {
        direction: ltr;
    }

    .tm-highlights-row > * {
        min-width: 0;
    }

    .tm-highlights-visual {
        width: 100%;
        max-width: 100%;
    }

    .tm-highlights-content {
        min-width: 0;
    }

    .tm-highlights-content h3 {
        word-break: break-all;
    }

    .tm-highlights-list li {
        min-width: 0;
    }

    .tm-highlights-list li span {
        min-width: 0;
        word-break: break-all;
    }

    .tm-philosophy-quote {
        word-break: break-all;
    }

    .tm-scene-grid {
        grid-template-columns: 1fr;
    }

    .tm-stats-bar {
        grid-template-columns: repeat(2, 1fr);
    }

    .tm-mode-cards {
        grid-template-columns: 1fr;
    }

    .tm-scene-gallery-wide {
        grid-template-columns: repeat(2, 1fr);
    }

    .tm-version-grid {
        grid-template-columns: 1fr;
    }

    .tm-partners-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .tm-tech-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .tm-two-col-text {
        grid-template-columns: 1fr;
        gap: 24px;
    }
}

@media (max-width: 768px) {
    .tm-pdp-breadcrumb {
        font-size: 0.75rem;
        padding: 0 1.5rem 16px;
        gap: 4px;
        word-break: break-all;
    }

    .tm-pdp-hero {
        flex-direction: column;
        padding: 0 1.5rem 1.5rem;
        gap: 16px;
    }
    .tm-pdp-main {
        padding-top: calc(var(--tm-header-height) + 20px);
    }

    .tm-pdp-gallery {
        height: 240px;
        width: 100%;
        border-radius: 8px;
    }

    .tm-pdp-info {
        display: flex;
        flex-direction: column;
        padding-top: 0;
    }

    .tm-pdp-thumbs {
        order: -1;
        margin-bottom: 16px;
        gap: 8px;
    }

    .tm-pdp-thumbs img {
        width: 60px;
        height: 60px;
    }

    .tm-pdp-desc {
        font-size: 0.88rem;
        line-height: 1.7;
        margin-bottom: 16px;
        word-break: break-all;
        overflow-wrap: break-word;
    }

    .tm-pdp-title {
        font-size: 1.4rem;
        margin-bottom: 4px;
        word-break: break-all;
    }

    .tm-pdp-subtitle {
        font-size: 0.8rem;
        margin-bottom: 12px;
        word-break: break-all;
    }

    .tm-pdp-scroll-btn {
        padding: 10px 20px;
        font-size: 0.85rem;
    }

    .tm-pdp-details-section {
        padding: 16px 0;
    }

    .tm-pdp-pdf-placeholder {
        height: 400px;
        font-size: 0.85rem;
    }
}

@media (max-width: 600px) {
    .tm-features-grid {
        grid-template-columns: 1fr;
    }

    .tm-detail-section {
        padding: 32px 1.5rem;
        overflow-x: hidden;
    }

    .tm-detail-section-header {
        margin-bottom: 32px;
        min-width: 0;
    }

    .tm-detail-section-header h2 {
        font-size: 1.4rem;
        word-break: break-all;
        overflow-wrap: anywhere;
    }

    .tm-specs-table th,
    .tm-specs-table td {
        padding: 12px 16px;
        font-size: 0.85rem;
    }

    .tm-model-strip {
        flex-wrap: wrap;
    }

    .tm-model-btn {
        padding: 8px 20px;
        font-size: 0.8rem;
    }

    .tm-highlights-visual {
        min-height: 220px;
    }

    .tm-cta-row h2 {
        font-size: 1.3rem;
    }

    .tm-stats-bar {
        grid-template-columns: repeat(2, minmax(0, 1fr));
        gap: 12px;
    }

    .tm-stat-number {
        font-size: 1.6rem;
    }

    .tm-philosophy-quote {
        font-size: 1.2rem;
    }

    .tm-scene-gallery-wide {
        grid-template-columns: 1fr;
    }

    .tm-partners-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 12px;
    }

    .tm-tech-grid {
        grid-template-columns: 1fr;
    }
}