/* =============================================
   Stage FX Catalog - Frontend Styles
   深色高端主题 - 舞台特效设备产品目录
   ============================================= */

/* ---------- CSS Variables ---------- */
:root {
    --bg-primary: #0a0a0f;
    --bg-secondary: #12121a;
    --bg-card: #1a1a24;
    --bg-card-hover: #22222e;
    --bg-overlay: rgba(10, 10, 15, 0.92);
    --text-primary: #f0f0f5;
    --text-secondary: #a0a0b0;
    --text-muted: #606070;
    --accent-gold: #c5a55a;
    --accent-gold-bright: #e0c070;
    --accent-gold-dim: rgba(197, 165, 90, 0.3);
    --accent-red: #e84545;
    --accent-blue: #4a90d9;
    --accent-green: #4caf50;
    --border-color: rgba(197, 165, 90, 0.15);
    --border-color-hover: rgba(197, 165, 90, 0.4);
    --shadow-soft: 0 4px 20px rgba(0, 0, 0, 0.4);
    --shadow-glow: 0 0 30px rgba(197, 165, 90, 0.15);
    --shadow-card: 0 8px 32px rgba(0, 0, 0, 0.5);
    --transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    --radius: 8px;
    --radius-sm: 4px;
    --radius-lg: 16px;
    --font-sans: 'Segoe UI', 'Helvetica Neue', 'PingFang SC', 'Microsoft YaHei', sans-serif;
    --font-mono: 'SF Mono', 'Consolas', 'Monaco', monospace;
}

/* ---------- Reset ---------- */
*, *::before, *::after {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    font-size: 16px;
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-sans);
    background:
        radial-gradient(ellipse 35% 90% at 92% 50%, rgba(197, 165, 90, 0.25) 0%, transparent 60%),
        radial-gradient(ellipse 35% 90% at 8% 50%, rgba(197, 165, 90, 0.20) 0%, transparent 60%),
        radial-gradient(ellipse 90% 40% at 50% 100%, rgba(197, 165, 90, 0.30) 0%, transparent 70%),
        radial-gradient(ellipse 80% 50% at 50% 0%, rgba(197, 165, 90, 0.15) 0%, transparent 60%),
        radial-gradient(ellipse 50% 50% at 50% 50%, rgba(197, 165, 90, 0.04) 0%, transparent 70%),
        var(--bg-primary);
    background-attachment: fixed;
    color: var(--text-primary);
    line-height: 1.6;
    overflow-x: hidden;
}

a {
    color: var(--accent-gold);
    text-decoration: none;
    transition: color var(--transition);
}

a:hover {
    color: var(--accent-gold-bright);
}

img {
    max-width: 100%;
    display: block;
}

.container {
    max-width: 1280px;
    margin: 0 auto;
    padding: 0 24px;
}

/* ---------- Header ---------- */
.site-header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background: var(--bg-overlay);
    backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--border-color);
}

.header-bg-effect {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 1px;
    background: linear-gradient(90deg,
        transparent,
        var(--accent-gold),
        transparent
    );
    opacity: 0.6;
}

.nav-container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 24px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 70px;
}

.logo {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    text-decoration: none;
}

.logo-text {
    font-size: 1.5rem;
    font-weight: 800;
    letter-spacing: 2px;
    color: var(--text-primary);
}

.logo-accent {
    color: var(--accent-gold);
}

.logo-sub {
    font-size: 0.55rem;
    letter-spacing: 3px;
    color: var(--text-muted);
    text-transform: uppercase;
}

.nav-menu {
    list-style: none;
    display: flex;
    gap: 8px;
    align-items: center;
}

.nav-menu > li {
    position: relative;
}

.nav-menu > li > a {
    display: block;
    padding: 10px 20px;
    color: var(--text-secondary);
    font-size: 0.9rem;
    font-weight: 500;
    border-radius: var(--radius-sm);
    transition: all var(--transition);
}

.nav-menu > li > a:hover,
.nav-menu > li > a.active {
    color: var(--accent-gold);
    background: rgba(197, 165, 90, 0.08);
}

/* Dropdown */
.dropdown-menu {
    position: absolute;
    top: 100%;
    left: 0;
    min-width: 200px;
    background: rgba(26, 26, 36, 0.70);
    border: 1px solid rgba(197, 165, 90, 0.08);
    backdrop-filter: blur(8px);
    border-radius: var(--radius);
    box-shadow: var(--shadow-card);
    padding: 8px;
    opacity: 0;
    visibility: hidden;
    transform: translateY(10px);
    transition: all var(--transition);
}

.dropdown:hover .dropdown-menu {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.dropdown-menu li a {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 10px 14px;
    color: var(--text-secondary);
    font-size: 0.85rem;
    border-radius: var(--radius-sm);
    transition: all var(--transition);
}

.dropdown-menu li a:hover {
    color: var(--accent-gold);
    background: rgba(197, 165, 90, 0.08);
}

.dropdown-menu .count {
    background: rgba(197, 165, 90, 0.15);
    color: var(--accent-gold);
    padding: 2px 8px;
    border-radius: 10px;
    font-size: 0.7rem;
}

/* Nav Search */
.nav-search form {
    display: flex;
    align-items: center;
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid var(--border-color);
    border-radius: var(--radius);
    padding: 6px 12px;
    transition: border-color var(--transition);
    position: relative;
}

.nav-search form:focus-within {
    border-color: var(--border-color-hover);
}

.nav-search input {
    background: transparent;
    border: none;
    outline: none;
    color: var(--text-primary);
    font-size: 0.85rem;
    width: 160px;
    font-family: var(--font-sans);
}

.nav-search input::placeholder {
    color: var(--text-muted);
}

.nav-search button {
    background: transparent;
    border: none;
    color: var(--text-muted);
    cursor: pointer;
    padding: 4px;
    display: flex;
    align-items: center;
}

.nav-search button:hover {
    color: var(--accent-gold);
}

/* Mobile menu toggle */
.mobile-menu-toggle {
    display: none;
    flex-direction: column;
    gap: 4px;
    background: transparent;
    border: none;
    cursor: pointer;
    padding: 8px;
}

.mobile-menu-toggle span {
    width: 24px;
    height: 2px;
    background: var(--text-primary);
    border-radius: 2px;
    transition: all var(--transition);
}

/* ---------- Main Content ---------- */
.main-content {
    padding-top: 70px;
    min-height: calc(100vh - 70px);
}

/* ---------- Hero Section - Stage Effects Background ---------- */
.hero {
    position: relative;
    height: 70vh;
    min-height: 500px;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
    text-align: center;
    background: var(--bg-primary);
}

.hero-bg {
    position: absolute;
    inset: 0;
    z-index: 0;
}

/* 舞台特效图片背景层 */
.hero-image-bg {
    position: absolute;
    inset: 0;
    background: url('../img/hero-bg.jpg') center center / cover no-repeat;
    filter: blur(4px) brightness(0.4);
    transform: scale(1.05);
    z-index: 0;
}

/* 底部暗角 - 让Hero文字更清晰 */
.hero-vignette {
    position: absolute;
    inset: 0;
    background:
        radial-gradient(ellipse 70% 60% at 50% 50%, transparent 30%, rgba(10, 10, 15, 0.6) 100%);
    pointer-events: none;
    z-index: 1;
}

.hero-content {
    position: relative;
    z-index: 2;
    padding: 0 24px;
}

.hero-title {
    font-size: clamp(2.5rem, 6vw, 5rem);
    font-weight: 900;
    letter-spacing: 4px;
    margin-bottom: 20px;
    background: linear-gradient(180deg, #f0f0f5 0%, #c5a55a 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    text-shadow: 0 0 80px rgba(197, 165, 90, 0.3);
}

.hero-subtitle {
    font-size: clamp(0.9rem, 2vw, 1.3rem);
    color: var(--text-secondary);
    margin-bottom: 40px;
    letter-spacing: 2px;
}

.hero-actions {
    display: flex;
    gap: 16px;
    justify-content: center;
    flex-wrap: wrap;
}

/* ---------- Buttons ---------- */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 12px 32px;
    font-size: 0.9rem;
    font-weight: 600;
    letter-spacing: 1px;
    border-radius: var(--radius);
    border: none;
    cursor: pointer;
    transition: all var(--transition);
    text-decoration: none;
    font-family: var(--font-sans);
}

.btn-primary {
    background: linear-gradient(135deg, var(--accent-gold), var(--accent-gold-bright));
    color: #0a0a0f;
    box-shadow: 0 4px 20px rgba(197, 165, 90, 0.3);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 30px rgba(197, 165, 90, 0.5);
    color: #0a0a0f;
}

.btn-outline {
    background: transparent;
    color: var(--accent-gold);
    border: 1px solid var(--accent-gold-dim);
}

.btn-outline:hover {
    background: rgba(197, 165, 90, 0.1);
    border-color: var(--accent-gold);
    color: var(--accent-gold-bright);
}

.btn-sm {
    padding: 6px 14px;
    font-size: 0.8rem;
}

.btn-block {
    width: 100%;
}

.btn-text {
    background: transparent;
    border: none;
    color: var(--text-secondary);
    padding: 4px 8px;
    font-size: 0.8rem;
    cursor: pointer;
    transition: color var(--transition);
}

.btn-text:hover {
    color: var(--accent-gold);
}

.btn-danger-text {
    color: var(--text-secondary) !important;
}

.btn-danger-text:hover {
    color: var(--accent-red) !important;
}

/* ---------- Sections ---------- */
.section {
    padding: 80px 0;
}

.section-header {
    text-align: center;
    margin-bottom: 50px;
}

.section-title {
    font-size: 2rem;
    font-weight: 700;
    color: var(--text-primary);
    letter-spacing: 2px;
    position: relative;
    display: inline-block;
    padding-bottom: 16px;
}

.section-title::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 60px;
    height: 3px;
    background: linear-gradient(90deg, transparent, var(--accent-gold), transparent);
}

.section-subtitle {
    margin-top: 16px;
    color: var(--text-secondary);
    font-size: 0.95rem;
}

.text-center {
    text-align: center;
}

/* ---------- Category Grid ---------- */
.category-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 24px;
}

.category-card {
    background: rgba(26, 26, 36, 0.70);
    border: 1px solid rgba(197, 165, 90, 0.08);
    backdrop-filter: blur(8px);
    border-radius: var(--radius-lg);
    padding: 32px 24px;
    text-align: center;
    transition: all var(--transition);
    position: relative;
    overflow: hidden;
}

.category-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 2px;
    background: linear-gradient(90deg, transparent, var(--accent-gold), transparent);
    transform: scaleX(0);
    transition: transform var(--transition);
}

.category-card:hover {
    border-color: var(--border-color-hover);
    transform: translateY(-4px);
    box-shadow: var(--shadow-glow);
}

.category-card:hover::before {
    transform: scaleX(1);
}

.category-card h3 {
    font-size: 1.1rem;
    color: var(--text-primary);
    margin-bottom: 12px;
    letter-spacing: 1px;
}

.category-card p {
    color: var(--text-secondary);
    font-size: 0.85rem;
    margin-bottom: 16px;
    line-height: 1.5;
}

.category-count {
    color: var(--accent-gold);
    font-size: 0.8rem;
    font-weight: 600;
    padding: 4px 14px;
    background: rgba(197, 165, 90, 0.1);
    border-radius: 20px;
    display: inline-block;
}

/* Category Icons */
.category-icon {
    width: 64px;
    height: 64px;
    margin: 0 auto 20px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(197, 165, 90, 0.1);
    border: 1px solid var(--border-color);
    position: relative;
}

.category-icon::after {
    content: '';
    position: absolute;
    inset: -4px;
    border-radius: 50%;
    border: 1px solid var(--accent-gold-dim);
    opacity: 0;
    transition: opacity var(--transition);
}

.category-card:hover .category-icon::after {
    opacity: 1;
}

.category-icon svg {
    width: 32px;
    height: 32px;
    stroke: var(--accent-gold);
    fill: none;
    stroke-width: 1.5;
    stroke-linecap: round;
    stroke-linejoin: round;
}

.category-icon-smoke {
    background: radial-gradient(circle, rgba(200, 200, 220, 0.2), transparent);
}

.category-icon-coldspark {
    background: radial-gradient(circle, rgba(180, 220, 255, 0.2), transparent);
}

.category-icon-flame {
    background: radial-gradient(circle, rgba(232, 69, 69, 0.2), transparent);
}

.category-icon-confetti {
    background: radial-gradient(circle, rgba(255, 200, 80, 0.2), transparent);
}

.category-icon-airpump {
    background: radial-gradient(circle, rgba(100, 180, 220, 0.2), transparent);
}

.category-icon-jet {
    background: radial-gradient(circle, rgba(200, 120, 220, 0.2), transparent);
}

.category-icon-light {
    background: radial-gradient(circle, rgba(197, 165, 90, 0.2), transparent);
}

.category-icon-ignition {
    background: radial-gradient(circle, rgba(255, 140, 60, 0.2), transparent);
}

.category-icon-celebration {
    background: radial-gradient(circle, rgba(220, 80, 120, 0.2), transparent);
}

.category-icon-consumable {
    background: radial-gradient(circle, rgba(140, 200, 140, 0.2), transparent);
}

.category-icon-parts {
    background: radial-gradient(circle, rgba(160, 160, 176, 0.2), transparent);
}

/* 默认/旧图标回退 */
.category-icon-machinery {
    background: radial-gradient(circle, rgba(160, 160, 176, 0.2), transparent);
}

.category-icon-laser {
    background: radial-gradient(circle, rgba(74, 144, 217, 0.2), transparent);
}

/* ---------- Product Grid & Cards ---------- */
.product-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
    gap: 24px;
}

.product-card {
    background: rgba(26, 26, 36, 0.70);
    border: 1px solid rgba(197, 165, 90, 0.08);
    backdrop-filter: blur(8px);
    border-radius: var(--radius);
    overflow: hidden;
    transition: all var(--transition);
    display: flex;
    flex-direction: column;
}

.product-card:hover {
    border-color: var(--border-color-hover);
    transform: translateY(-4px);
    box-shadow: var(--shadow-card);
}

.product-image {
    position: relative;
    aspect-ratio: 16/9;
    overflow: hidden;
    background: linear-gradient(90deg, var(--bg-secondary) 0%, var(--bg-hover) 50%, var(--bg-secondary) 100%);
    background-size: 200% 100%;
}

.product-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.4s ease;
}

/* 加载完成后的图片停止骨架屏动画 */
.product-image img[complete] {
    animation: none;
}

/* 图片加载失败时隐藏破损图标，保持骨架屏 */
.product-image img[src]:not([src*="placeholder"]) {
    min-height: 100%;
}

/* 骨架屏动画 */
@keyframes shimmer {
    0% { background-position: 200% 0; }
    100% { background-position: -200% 0; }
}

.product-image:has(img[loading="lazy"]) {
    animation: shimmer 1.5s infinite;
}

/* 图片加载完成后停止骨架屏 */
.product-image:has(img[complete="true"]) {
    animation: none;
    background: var(--bg-secondary);
}

.product-card:hover .product-image img {
    transform: scale(1.05);
}

.product-overlay {
    position: absolute;
    inset: 0;
    background: rgba(0, 0, 0, 0.5);
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transition: opacity var(--transition);
}

.product-card:hover .product-overlay {
    opacity: 1;
}

.play-icon {
    font-size: 2.5rem;
    color: var(--accent-gold);
    text-shadow: 0 0 20px rgba(0, 0, 0, 0.8);
    transform: scale(0.8);
    transition: transform var(--transition);
}

.product-card:hover .play-icon {
    transform: scale(1);
}

.badge-featured {
    position: absolute;
    top: 12px;
    left: 12px;
    background: var(--accent-gold);
    color: #0a0a0f;
    padding: 4px 12px;
    border-radius: var(--radius-sm);
    font-size: 0.7rem;
    font-weight: 700;
    letter-spacing: 1px;
}

.product-info {
    padding: 16px 18px;
}

.product-category {
    font-size: 0.7rem;
    color: var(--accent-gold);
    text-transform: uppercase;
    letter-spacing: 1px;
    font-weight: 600;
}

.product-info h3 {
    font-size: 1rem;
    color: var(--text-primary);
    margin: 6px 0 4px;
    line-height: 1.4;
}

.product-model {
    font-size: 0.8rem;
    color: var(--text-muted);
    font-family: var(--font-mono);
}

/* ---------- Breadcrumb ---------- */
.breadcrumb {
    display: flex;
    align-items: center;
    gap: 8px;
    margin-bottom: 32px;
    font-size: 0.85rem;
    color: var(--text-muted);
}

.breadcrumb a {
    color: var(--text-secondary);
}

.breadcrumb a:hover {
    color: var(--accent-gold);
}

.breadcrumb .separator {
    color: var(--text-muted);
}

.breadcrumb .current {
    color: var(--text-primary);
}

/* ---------- Product Detail ---------- */
.product-detail-section {
    padding: 40px 0 80px;
}

.product-detail-grid {
    display: grid;
    grid-template-columns: 1fr 320px;
    gap: 40px;
    margin-bottom: 60px;
}

.video-container {
    border-radius: var(--radius);
    overflow: hidden;
    box-shadow: var(--shadow-card);
    border: 1px solid var(--border-color);
}

.video-responsive {
    position: relative;
    padding-bottom: 56.25%;
    height: 0;
    overflow: hidden;
}

.video-responsive iframe {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    border: none;
}

.video-actions {
    margin-top: 16px;
    display: flex;
    gap: 12px;
}

/* ---------- Video Thumbnail (fallback for YouTube embed) ---------- */
.video-thumb-link {
    display: block;
    position: relative;
    border-radius: var(--radius);
    overflow: hidden;
    cursor: pointer;
}

.video-thumb {
    position: relative;
    width: 100%;
    padding-bottom: 56.25%;
    background: var(--bg-secondary);
    overflow: hidden;
}

.video-thumb img {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.5s ease;
}

.video-thumb-link:hover .video-thumb img {
    transform: scale(1.05);
}

.video-play-overlay {
    position: absolute;
    inset: 0;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    background: rgba(10, 10, 15, 0.6);
    transition: background 0.3s ease;
}

.video-thumb-link:hover .video-play-overlay {
    background: rgba(10, 10, 15, 0.4);
}

.video-play-overlay .play-icon {
    font-size: 3rem;
    color: rgba(255, 255, 255, 0.9);
    text-shadow: 0 2px 10px rgba(0,0,0,0.5);
    transition: transform 0.3s ease;
}

.video-thumb-link:hover .video-play-overlay .play-icon {
    transform: scale(1.15);
}

.video-play-overlay p {
    margin-top: 8px;
    font-size: 0.9rem;
    color: rgba(255, 255, 255, 0.9);
    font-weight: 500;
}
    margin-top: 32px;
}

.product-category-tag {
    display: inline-block;
    background: rgba(197, 165, 90, 0.1);
    color: var(--accent-gold);
    padding: 4px 14px;
    border-radius: var(--radius-sm);
    font-size: 0.75rem;
    font-weight: 600;
    letter-spacing: 1px;
    text-transform: uppercase;
}

.product-detail-title {
    font-size: 2rem;
    font-weight: 700;
    margin: 16px 0 8px;
    color: var(--text-primary);
    letter-spacing: 1px;
}

.product-detail-model {
    color: var(--text-muted);
    font-family: var(--font-mono);
    font-size: 0.9rem;
    margin-bottom: 24px;
}

.product-description {
    margin-top: 32px;
}

.product-description h3,
.product-specs h3 {
    font-size: 1.1rem;
    color: var(--accent-gold);
    margin-bottom: 16px;
    padding-bottom: 8px;
    border-bottom: 1px solid var(--border-color);
}

.product-description p {
    color: var(--text-secondary);
    line-height: 1.8;
}

.specs-table {
    width: 100%;
    border-collapse: collapse;
    border-radius: var(--radius);
    overflow: hidden;
    border: 1px solid var(--border-color);
}

.specs-table th,
.specs-table td {
    padding: 12px 16px;
    text-align: left;
    border-bottom: 1px solid var(--border-color);
}

.specs-table th {
    background: var(--bg-card);
    color: var(--text-secondary);
    font-weight: 500;
    width: 35%;
}

.specs-table td {
    color: var(--text-primary);
}

.specs-table tr:last-child th,
.specs-table tr:last-child td {
    border-bottom: none;
}

.product-manual {
    margin-top: 24px;
}

.product-manual h3 {
    font-size: 1.1rem;
    color: var(--accent-gold);
    margin-bottom: 16px;
    padding-bottom: 8px;
    border-bottom: 1px solid var(--border-color);
}

.manual-download-btn {
    display: inline-flex;
    align-items: center;
    padding: 10px 20px;
    border: 2px solid var(--accent-gold);
    border-radius: var(--radius);
    color: var(--accent-gold);
    text-decoration: none;
    font-size: 0.95rem;
    font-weight: 500;
    transition: all 0.2s;
}

.manual-download-btn:hover {
    background: var(--accent-gold);
    color: #fff;
}

/* ---------- Sidebar / QR Code ---------- */
.product-detail-sidebar {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.qr-code-box {
    background: rgba(26, 26, 36, 0.70);
    border: 1px solid rgba(197, 165, 90, 0.08);
    backdrop-filter: blur(8px);
    border-radius: var(--radius);
    padding: 24px;
    text-align: center;
}

.qr-code-box h3 {
    font-size: 1rem;
    color: var(--accent-gold);
    margin-bottom: 16px;
    letter-spacing: 1px;
}

.qr-code-image {
    display: inline-block;
    padding: 12px;
    background: #fff;
    border-radius: var(--radius-sm);
}

.qr-code-image img {
    width: 180px;
    height: 180px;
    border-radius: var(--radius-sm);
}

.qr-hint {
    margin-top: 12px;
    font-size: 0.8rem;
    color: var(--text-secondary);
}

.qr-link {
    display: block;
    margin-top: 8px;
    font-size: 0.7rem;
    color: var(--text-muted);
    word-break: break-all;
    font-family: var(--font-mono);
}

/* ---------- Product Table (Category Detail View) ---------- */
.product-table-container {
    overflow-x: auto;
    margin-top: 32px;
}

.product-table {
    width: 100%;
    border-collapse: collapse;
    font-size: 0.95rem;
    background: rgba(26, 26, 36, 0.70);
    border: 1px solid rgba(197, 165, 90, 0.08);
    backdrop-filter: blur(8px);
    border-radius: var(--radius);
    overflow: hidden;
}

.product-table thead {
    background: var(--bg-hover);
    border-bottom: 2px solid var(--accent-gold);
}

.product-table thead th {
    padding: 16px 20px;
    text-align: left;
    font-weight: 600;
    font-size: 0.85rem;
    text-transform: uppercase;
    letter-spacing: 1px;
    color: var(--accent-gold);
    white-space: nowrap;
}

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

.product-table tbody tr:last-child {
    border-bottom: none;
}

.product-table tbody tr:hover {
    background: rgba(197, 165, 90, 0.05);
}

.product-table tbody td {
    padding: 14px 20px;
    vertical-align: middle;
    color: var(--text-primary);
}

.product-table thead th,
.product-table tbody td {
    vertical-align: middle;
}

.product-table thead th:last-child,
.product-table-action {
    text-align: center;
    white-space: nowrap;
    vertical-align: middle;
    width: 140px;
    padding-left: 0;
    padding-right: 0;
}

.product-table-action .btn-sm {
    display: inline-block;
    padding: 8px 20px;
    font-size: 0.8rem;
    line-height: 1.2;
    margin: 0;
    vertical-align: middle;
    text-align: center;
}

.product-table-name a {
    color: var(--text-primary);
    font-weight: 600;
    text-decoration: none;
    transition: color 0.2s ease;
}

.product-table-name a:hover {
    color: var(--accent-gold);
}

.product-table-model {
    color: var(--text-secondary);
    font-family: var(--font-mono);
    font-size: 0.9rem;
}

.product-table-category {
    color: var(--text-muted);
    font-size: 0.85rem;
}

.product-table-action {
    text-align: right;
    white-space: nowrap;
}

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

@media (max-width: 768px) {
    .product-table thead {
        display: none;
    }
    .product-table tbody tr {
        display: block;
        padding: 16px;
        margin-bottom: 12px;
        border: 1px solid var(--border-color);
        border-radius: var(--radius);
        background: var(--bg-card);
    }
    .product-table tbody td {
        display: block;
        padding: 6px 0;
        border: none;
    }
    .product-table tbody td::before {
        content: attr(data-label) ": ";
        font-weight: 600;
        color: var(--accent-gold);
        font-size: 0.8rem;
        text-transform: uppercase;
        letter-spacing: 0.5px;
    }
    .product-table-action {
        text-align: left;
        margin-top: 8px;
    }
}

.info-box {
    background: rgba(26, 26, 36, 0.70);
    border: 1px solid rgba(197, 165, 90, 0.08);
    backdrop-filter: blur(8px);
    border-radius: var(--radius);
    padding: 16px;
}

.featured-box {
    text-align: center;
}

.info-badge {
    color: var(--accent-gold);
    font-size: 0.9rem;
    font-weight: 600;
}

/* ---------- Related Products ---------- */
.related-products {
    margin-top: 60px;
}

/* ---------- Category Header ---------- */
.category-header {
    margin-bottom: 40px;
}

.category-header h1 {
    font-size: 2rem;
    color: var(--text-primary);
    margin-bottom: 12px;
}

.category-description {
    color: var(--text-secondary);
    line-height: 1.6;
    margin-bottom: 12px;
}

.category-meta {
    color: var(--text-muted);
    font-size: 0.85rem;
}

/* ---------- About Page ---------- */
.about-hero {
    text-align: center;
    margin: 40px 0;
}

.about-tagline {
    color: var(--text-secondary);
    font-size: 1.1rem;
    margin-top: 16px;
}

.about-content {
    max-width: 900px;
    margin: 0 auto;
}

.about-text p {
    color: var(--text-secondary);
    line-height: 1.8;
    margin-bottom: 16px;
}

.about-text h3 {
    color: var(--accent-gold);
    margin: 40px 0 24px;
    font-size: 1.3rem;
}

.advantage-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
    gap: 24px;
    margin-top: 24px;
}

.advantage-item {
    background: rgba(26, 26, 36, 0.70);
    border: 1px solid rgba(197, 165, 90, 0.08);
    backdrop-filter: blur(8px);
    border-radius: var(--radius);
    padding: 24px;
    transition: all var(--transition);
}

.advantage-item:hover {
    border-color: var(--border-color-hover);
    transform: translateY(-2px);
}

.advantage-icon {
    font-size: 2rem;
    font-weight: 800;
    color: var(--accent-gold);
    opacity: 0.5;
    margin-bottom: 12px;
}

.advantage-item h4 {
    color: var(--text-primary);
    margin-bottom: 8px;
}

.advantage-item p {
    color: var(--text-secondary);
    font-size: 0.85rem;
}

.about-stats {
    display: flex;
    justify-content: center;
    gap: 60px;
    margin: 60px 0;
    padding: 40px;
    background: var(--bg-card);
    border-radius: var(--radius-lg);
    border: 1px solid var(--border-color);
}

.stat-item {
    text-align: center;
}

.stat-number {
    display: block;
    font-size: 3rem;
    font-weight: 800;
    color: var(--accent-gold);
}

.stat-label {
    color: var(--text-secondary);
    font-size: 0.85rem;
    letter-spacing: 1px;
}

.about-contact {
    margin: 60px 0;
    text-align: center;
}

.contact-info {
    display: flex;
    justify-content: center;
    gap: 40px;
    flex-wrap: wrap;
    margin-top: 24px;
}

.contact-item {
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.contact-label {
    color: var(--text-muted);
    font-size: 0.8rem;
}

.contact-value {
    color: var(--text-primary);
    font-size: 1rem;
}

.about-cta {
    text-align: center;
    padding: 60px;
    background: var(--bg-card);
    border-radius: var(--radius-lg);
    border: 1px solid var(--border-color);
}

.about-cta h2 {
    color: var(--text-primary);
    margin-bottom: 12px;
}

.about-cta p {
    color: var(--text-secondary);
    margin-bottom: 24px;
}

/* ---------- Search Page ---------- */
.search-header {
    margin-bottom: 40px;
}

.search-header h1 {
    font-size: 2rem;
    margin-bottom: 8px;
}

.search-header p {
    color: var(--text-secondary);
}

/* ---------- Empty State ---------- */
.empty-state {
    text-align: center;
    padding: 80px 20px;
}

.empty-state p {
    color: var(--text-secondary);
    font-size: 1.1rem;
    margin-bottom: 24px;
}

.empty-state-sm {
    text-align: center;
    padding: 40px 20px;
    color: var(--text-muted);
}

/* ---------- Error Page ---------- */
.error-page {
    text-align: center;
    padding: 120px 20px;
}

.error-page h1 {
    font-size: 5rem;
    color: var(--accent-gold);
}

.error-page p {
    color: var(--text-secondary);
    margin-bottom: 24px;
}

/* ---------- No Video ---------- */
.no-video, .no-media {
    aspect-ratio: 16/9;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(26, 26, 36, 0.70);
    border: 1px solid rgba(197, 165, 90, 0.08);
    backdrop-filter: blur(8px);
    border-radius: var(--radius);
    color: var(--text-muted);
}

/* ---------- Footer ---------- */
.site-footer {
    background: var(--bg-secondary);
    border-top: 1px solid var(--border-color);
    padding: 60px 0 0;
}

.footer-container {
    max-width: 1280px;
    margin: 0 auto;
    padding: 0 24px;
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 40px;
}

.footer-section h4 {
    color: var(--accent-gold);
    margin-bottom: 16px;
    font-size: 0.9rem;
    letter-spacing: 1px;
}

.footer-section p {
    color: var(--text-secondary);
    font-size: 0.85rem;
    margin-bottom: 8px;
}

.footer-logo {
    font-size: 1.5rem;
    font-weight: 800;
    letter-spacing: 2px;
    color: var(--text-primary);
    margin-bottom: 12px;
}

.footer-logo span {
    color: var(--accent-gold);
}

.footer-bottom {
    margin-top: 40px;
    padding: 20px 24px;
    border-top: 1px solid var(--border-color);
    text-align: center;
}

.footer-bottom p {
    color: var(--text-muted);
    font-size: 0.8rem;
}

/* ---------- Responsive ---------- */
@media (max-width: 1024px) {
    .product-detail-grid {
        grid-template-columns: 1fr;
    }
    .product-detail-sidebar {
        display: flex !important;
        flex-direction: column;
        align-items: center;
        text-align: center;
    }
    .qr-code-box {
        width: 100%;
        max-width: 320px;
    }
    .about-stats {
        gap: 30px;
        padding: 30px;
    }
}

@media (max-width: 768px) {
    .nav-menu {
        display: none;
        position: fixed;
        top: 70px;
        left: 0;
        right: 0;
        flex-direction: column;
        background: var(--bg-overlay);
        backdrop-filter: blur(12px);
        padding: 20px;
        gap: 0;
        border-bottom: 1px solid var(--border-color);
    }

    .nav-menu.active {
        display: flex;
    }

    .nav-menu > li {
        width: 100%;
    }

    .nav-menu > li > a {
        display: block;
        padding: 14px 20px;
        border-radius: var(--radius-sm);
    }

    .dropdown-menu {
        position: static;
        opacity: 1;
        visibility: visible;
        transform: none;
        box-shadow: none;
        padding: 0 0 0 20px;
        max-height: 0;
        overflow: hidden;
        transition: max-height 0.3s ease;
    }

    .dropdown.active .dropdown-menu {
        max-height: 500px;
    }

    .mobile-menu-toggle {
        display: flex;
    }

    .nav-search {
        order: 3;
    }

    .nav-search input {
        width: 100px;
    }

    .section {
        padding: 50px 0;
    }

    .section-title {
        font-size: 1.5rem;
    }

    .hero-actions {
        flex-direction: column;
        align-items: center;
    }

    .hero-actions .btn {
        width: 100%;
        max-width: 280px;
    }

    .about-stats {
        flex-direction: column;
        gap: 30px;
    }

    .contact-info {
        flex-direction: column;
        gap: 20px;
    }

    .about-cta {
        padding: 30px 20px;
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 16px;
    }

    .product-grid {
        grid-template-columns: 1fr;
    }

    .hero-title {
        letter-spacing: 2px;
    }

    .footer-container {
        grid-template-columns: 1fr;
        gap: 30px;
    }
}

/* ---------- Language Switcher ---------- */
.nav-right {
    display: flex;
    align-items: center;
    gap: 20px;
}

.lang-switcher {
    display: flex;
    align-items: center;
    gap: 6px;
    font-size: 0.85rem;
}

.lang-switcher a {
    color: var(--text-secondary);
    text-decoration: none;
    padding: 4px 8px;
    border-radius: var(--radius-sm);
    transition: var(--transition);
    font-weight: 500;
}

.lang-switcher a:hover {
    color: var(--accent-gold);
}

.lang-switcher a.active {
    color: var(--accent-gold);
    background: var(--accent-gold-dim);
}

.lang-divider {
    color: var(--text-muted);
    font-size: 0.8rem;
}

/* ---------- Mobile Lang Switcher ---------- */
@media (max-width: 768px) {
    .nav-right {
        gap: 12px;
    }

    .lang-switcher {
        font-size: 0.8rem;
    }

    .lang-switcher a {
        padding: 3px 6px;
    }
}

/* ---------- Login Lang Switcher ---------- */
.login-lang-switch {
    text-align: center;
    margin-top: 20px;
    padding-top: 20px;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    font-size: 0.85rem;
}

.login-lang-switch a {
    color: var(--text-secondary);
    text-decoration: none;
    padding: 4px 10px;
    border-radius: 4px;
    transition: 0.3s;
}

.login-lang-switch a.active {
    color: var(--accent-gold);
    background: rgba(197, 165, 90, 0.15);
}

.login-lang-switch a:hover {
    color: var(--accent-gold);
}

.login-lang-switch span {
    color: var(--text-muted);
    margin: 0 4px;
}

/* ---------- Nav Login Button ---------- */
.nav-login-btn {
    display: flex;
    align-items: center;
    gap: 6px;
    color: var(--text-secondary);
    text-decoration: none;
    font-size: 0.82rem;
    padding: 6px 14px;
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sm);
    transition: var(--transition);
    white-space: nowrap;
}

.nav-login-btn:hover {
    color: var(--accent-gold);
    border-color: var(--accent-gold-dim);
    background: rgba(197, 165, 90, 0.08);
}

.nav-login-btn svg {
    flex-shrink: 0;
}

@media (max-width: 768px) {
    .nav-login-btn span {
        display: none;
    }
    .nav-login-btn {
        padding: 6px 8px;
    }
}

/* ---------- Search Suggestions (AJAX) ---------- */
.search-suggestions {
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: #15151c;
    border: 1px solid var(--border-color);
    border-radius: 0 0 10px 10px;
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.3s ease;
    z-index: 1000;
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.4);
}

.search-suggestions.show {
    max-height: 400px;
    overflow-y: auto;
}

.search-suggestion-item {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 10px 14px;
    text-decoration: none;
    color: var(--text-primary);
    transition: background 0.2s;
    border-bottom: 1px solid rgba(255, 255, 255, 0.03);
}

.search-suggestion-item:last-child {
    border-bottom: none;
}

.search-suggestion-item:hover {
    background: rgba(197, 165, 90, 0.08);
}

.search-suggestion-item img {
    width: 40px;
    height: 40px;
    border-radius: 6px;
    object-fit: cover;
    flex-shrink: 0;
}

.search-suggestion-info {
    flex: 1;
    min-width: 0;
}

.search-suggestion-info .name {
    font-size: 0.88rem;
    color: var(--text-primary);
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.search-suggestion-info .name mark {
    background: rgba(197, 165, 90, 0.3);
    color: var(--accent-gold);
    border-radius: 2px;
    padding: 0 2px;
}

.search-suggestion-info .meta {
    font-size: 0.75rem;
    color: var(--text-muted);
    margin-top: 2px;
}

.search-suggestion-empty {
    padding: 20px;
    text-align: center;
    color: var(--text-muted);
    font-size: 0.85rem;
}

.search-suggestion-footer {
    padding: 10px 14px;
    text-align: center;
    border-top: 1px solid rgba(255, 255, 255, 0.05);
}

.search-suggestion-footer a {
    color: var(--accent-gold);
    text-decoration: none;
    font-size: 0.82rem;
}

/* ---------- Search Filter Bar ---------- */
.search-filter-bar {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    margin-bottom: 30px;
}

.filter-chip {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    padding: 6px 16px;
    border: 1px solid var(--border-color);
    border-radius: 20px;
    color: var(--text-secondary);
    text-decoration: none;
    font-size: 0.82rem;
    transition: var(--transition);
}

.filter-chip:hover {
    border-color: var(--accent-gold-dim);
    color: var(--accent-gold);
}

.filter-chip.active {
    background: var(--accent-gold-dim);
    border-color: var(--accent-gold);
    color: var(--accent-gold);
    font-weight: 600;
}

/* ---------- Product List (Horizontal, No Thumbnail) ---------- */
.product-list {
    display: flex;
    flex-direction: column;
    gap: 2px;
}

.product-list-item {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 16px;
    padding: 14px 20px;
    background: rgba(26, 26, 36, 0.70);
    border: 1px solid rgba(197, 165, 90, 0.08);
    backdrop-filter: blur(8px);
    border-radius: var(--radius-md);
    color: var(--text-primary);
    text-decoration: none;
    transition: var(--transition);
}

.product-list-item:hover {
    background: rgba(197, 165, 90, 0.06);
    border-color: var(--accent-gold-dim);
    transform: translateX(4px);
}

.product-list-info {
    display: flex;
    flex-direction: column;
    gap: 4px;
    min-width: 0;
    flex: 1;
}

.product-list-category {
    font-size: 0.75rem;
    color: var(--accent-gold);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    font-weight: 500;
}

.product-list-name {
    font-size: 1rem;
    font-weight: 600;
    color: var(--text-primary);
    margin: 0;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.product-list-model {
    font-size: 0.82rem;
    color: var(--text-muted);
    font-family: var(--font-mono);
}

.product-list-action {
    font-size: 0.82rem;
    color: var(--accent-gold);
    font-weight: 500;
    white-space: nowrap;
    flex-shrink: 0;
    opacity: 0.8;
    transition: opacity 0.2s;
}

.product-list-item:hover .product-list-action {
    opacity: 1;
}

@media (max-width: 768px) {
    .product-list-item {
        padding: 12px 14px;
    }
    .product-list-name {
        font-size: 0.92rem;
    }
    .product-list-action {
        font-size: 0.75rem;
    }
}

/* ---------- Product Navigation (Prev/Next + Back to Category) ---------- */
.product-nav-section {
    padding-top: 0;
    padding-bottom: 24px;
}

.product-nav {
    display: grid;
    grid-template-columns: 1fr auto 1fr;
    gap: 16px;
    align-items: stretch;
}

.product-nav-link {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 16px 20px;
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    color: var(--text-primary);
    text-decoration: none;
    transition: var(--transition);
}

.product-nav-link:hover {
    background: rgba(197, 165, 90, 0.08);
    border-color: var(--accent-gold-dim);
    color: var(--accent-gold);
}

.product-nav-link svg {
    flex-shrink: 0;
    width: 20px;
    height: 20px;
    opacity: 0.7;
}

.product-nav-link:hover svg {
    opacity: 1;
    color: var(--accent-gold);
}

.product-nav-info {
    display: flex;
    flex-direction: column;
    gap: 2px;
    min-width: 0;
}

.product-nav-label {
    font-size: 0.75rem;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.product-nav-name {
    font-size: 0.9rem;
    font-weight: 500;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.product-nav-next {
    justify-content: flex-end;
    text-align: right;
}

.product-nav-next .product-nav-info {
    align-items: flex-end;
}

.product-nav-disabled {
    opacity: 0.4;
    cursor: not-allowed;
    pointer-events: none;
}

.product-nav-back {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 16px 20px;
    background: rgba(197, 165, 90, 0.08);
    border: 1px solid var(--accent-gold-dim);
    border-radius: var(--radius-md);
    color: var(--accent-gold);
    text-decoration: none;
    font-size: 0.85rem;
    font-weight: 500;
    transition: var(--transition);
    white-space: nowrap;
}

.product-nav-back:hover {
    background: rgba(197, 165, 90, 0.15);
    border-color: var(--accent-gold);
}

.product-nav-back svg {
    width: 18px;
    height: 18px;
    flex-shrink: 0;
}

/* ---------- Product Inquiry Section ---------- */
.product-inquire-section {
    padding-top: 0;
    padding-bottom: 40px;
}

.inquire-card {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 24px;
    padding: 28px 32px;
    background: rgba(197, 165, 90, 0.06);
    border: 1px solid var(--accent-gold-dim);
    border-radius: var(--radius-lg);
    flex-wrap: wrap;
}

.inquire-title {
    font-size: 1.2rem;
    font-weight: 600;
    color: var(--accent-gold);
    margin-bottom: 6px;
}

.inquire-desc {
    font-size: 0.88rem;
    color: var(--text-secondary);
    line-height: 1.5;
}

.inquire-btn {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 12px 28px;
    background: var(--accent-gold);
    color: var(--bg-dark);
    text-decoration: none;
    font-weight: 600;
    font-size: 0.9rem;
    border-radius: var(--radius-md);
    transition: var(--transition);
    white-space: nowrap;
    flex-shrink: 0;
}

.inquire-btn:hover {
    background: var(--accent-gold-light);
    transform: translateY(-2px);
    box-shadow: 0 8px 20px rgba(197, 165, 90, 0.25);
}

.inquire-btn svg {
    width: 18px;
    height: 18px;
    flex-shrink: 0;
}

/* Responsive for product nav & inquire */
@media (max-width: 768px) {
    .product-nav {
        grid-template-columns: 1fr;
        gap: 8px;
    }

    .product-nav-link {
        padding: 10px 14px;
        gap: 8px;
    }

    .product-nav-link svg {
        width: 16px;
        height: 16px;
    }

    .product-nav-label {
        font-size: 0.7rem;
    }

    .product-nav-name {
        font-size: 0.82rem;
    }

    .product-nav-next {
        justify-content: flex-start;
        text-align: left;
    }

    .product-nav-next .product-nav-info {
        align-items: flex-start;
    }

    .product-nav-back {
        order: -1;
        padding: 10px 14px;
        font-size: 0.8rem;
    }

    .product-nav-back svg {
        width: 16px;
        height: 16px;
    }

    .inquire-card {
        flex-direction: column;
        text-align: center;
        padding: 20px 16px;
        gap: 16px;
    }

    .inquire-title {
        font-size: 1rem;
    }

    .inquire-desc {
        font-size: 0.82rem;
    }

    .inquire-btn {
        width: 100%;
        justify-content: center;
        padding: 10px 20px;
        font-size: 0.85rem;
    }
}

/* ===== 产品图片画廊（淘宝风格 - 左侧导航 + 右侧主显示） ===== */
.taobao-gallery {
    display: flex;
    gap: 12px;
    margin-bottom: 24px;
    background: #1e1e24;
    border-radius: 16px;
    overflow: hidden;
    box-shadow: 0 8px 32px rgba(0,0,0,.3), 0 2px 8px rgba(0,0,0,.2);
    border: 1px solid rgba(255,255,255,.06);
    min-height: 520px;
}

/* 左侧垂直缩略图导航 */
.tg-nav {
    width: 100px;
    flex-shrink: 0;
    padding: 20px 12px;
    display: flex;
    flex-direction: column;
    gap: 12px;
    overflow-y: auto;
    max-height: 560px;
    background: #18181d;
    scrollbar-width: thin;
    scrollbar-color: rgba(255,255,255,.15) transparent;
}

.tg-nav::-webkit-scrollbar {
    width: 3px;
}

.tg-nav::-webkit-scrollbar-track {
    background: transparent;
}

.tg-nav::-webkit-scrollbar-thumb {
    background: rgba(255,255,255,.2);
    border-radius: 2px;
}

.tg-thumb {
    width: 76px;
    height: 76px;
    border-radius: 10px;
    overflow: hidden;
    border: 2px solid rgba(255,255,255,.08);
    cursor: pointer;
    flex-shrink: 0;
    position: relative;
    background: #25252b;
    transition: all .25s cubic-bezier(.4,0,.2,1);
    display: flex;
    align-items: center;
    justify-content: center;
}

.tg-thumb img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
    pointer-events: none;
    transition: transform .3s ease;
}

.tg-thumb:hover {
    border-color: rgba(255,255,255,.3);
    box-shadow: 0 4px 16px rgba(0,0,0,.4);
    transform: translateY(-2px);
}

.tg-thumb:hover img {
    transform: scale(1.08);
}

.tg-thumb.active {
    border-color: #c9a96e;
    box-shadow: 0 0 0 3px rgba(201,169,110,.2), 0 4px 16px rgba(0,0,0,.4);
}

/* 视频缩略图上的播放图标 */
.tg-thumb-video .tg-play-icon {
    position: absolute;
    inset: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(0,0,0,.4);
    border-radius: 8px;
    transition: background .25s ease;
}

.tg-thumb-video:hover .tg-play-icon {
    background: rgba(0,0,0,.55);
}

.tg-thumb-video .tg-play-icon svg {
    width: 28px;
    height: 28px;
    filter: drop-shadow(0 2px 4px rgba(0,0,0,.5));
}

/* 右侧主显示区 */
.tg-main {
    flex: 1;
    position: relative;
    background: #0f0f13;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
    min-height: 520px;
    border-radius: 0 16px 16px 0;
}

/* 图片内容 */
.tg-content {
    position: absolute;
    inset: 0;
    display: none;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transition: opacity .35s ease;
}

.tg-content.active {
    display: flex;
    opacity: 1;
    z-index: 2;
}

.tg-content-image img {
    max-width: 100%;
    max-height: 520px;
    object-fit: contain;
    cursor: zoom-in;
    transition: transform .3s ease;
}

.tg-content-image img:hover {
    transform: scale(1.015);
}

/* 视频内容 */
.tg-content-video {
    width: 100%;
    height: 100%;
}

.tg-content-video .video-responsive {
    width: 100%;
    height: 100%;
    padding-bottom: 0;
    position: relative;
}

.tg-content-video .video-responsive iframe {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
}

/* 单媒体无导航时的全宽显示 */
.taobao-gallery:not(:has(.tg-nav)) .tg-main {
    border-radius: 16px;
}

/* 灯箱 */
.tg-lightbox {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0,0,0,.94);
    z-index: 9999;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: zoom-out;
    opacity: 0;
    visibility: hidden;
    transition: opacity .35s, visibility .35s;
}

.tg-lightbox.open {
    opacity: 1;
    visibility: visible;
}

.tg-lightbox img {
    max-width: 90vw;
    max-height: 85vh;
    object-fit: contain;
    border-radius: 6px;
    box-shadow: 0 24px 64px rgba(0,0,0,.6);
}

.tg-lb-close {
    position: absolute;
    top: 24px;
    right: 32px;
    font-size: 32px;
    color: rgba(255,255,255,.6);
    cursor: pointer;
    line-height: 1;
    user-select: none;
    transition: all .25s ease;
    z-index: 10000;
    width: 48px;
    height: 48px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    background: rgba(255,255,255,.08);
}

.tg-lb-close:hover {
    color: #fff;
    background: rgba(255,255,255,.18);
}

.tg-lb-prev,
.tg-lb-next {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    width: 52px;
    height: 52px;
    border-radius: 50%;
    background: rgba(255,255,255,.1);
    color: rgba(255,255,255,.75);
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    font-size: 24px;
    border: none;
    z-index: 10000;
    transition: all .25s ease;
    user-select: none;
}

.tg-lb-prev:hover,
.tg-lb-next:hover {
    background: rgba(255,255,255,.22);
    color: #fff;
}

.tg-lb-prev { left: 28px; }
.tg-lb-next { right: 28px; }

.tg-lb-prev.disabled,
.tg-lb-next.disabled {
    opacity: .25;
    cursor: not-allowed;
}

.tg-lb-counter {
    position: absolute;
    bottom: 28px;
    left: 50%;
    transform: translateX(-50%);
    color: rgba(255,255,255,.55);
    font-size: 13px;
    letter-spacing: .5px;
    z-index: 10000;
    background: rgba(0,0,0,.4);
    padding: 4px 14px;
    border-radius: 20px;
}

/* 响应式 */
@media (max-width: 768px) {
    .taobao-gallery {
        flex-direction: column;
        min-height: auto;
    }

    .tg-nav {
        width: 100%;
        flex-direction: row;
        padding: 12px;
        overflow-x: auto;
        overflow-y: hidden;
        max-height: none;
        gap: 10px;
    }

    .tg-thumb {
        width: 64px;
        height: 64px;
    }

    .tg-main {
        min-height: 320px;
        border-radius: 0 0 16px 16px;
    }

    .tg-content-image img {
        max-height: 340px;
    }

    .tg-lb-prev,
    .tg-lb-next {
        width: 44px;
        height: 44px;
        font-size: 20px;
    }

    .tg-lb-prev { left: 12px; }
    .tg-lb-next { right: 12px; }
}