/*
本页代码版权归 广东百信科技有限公司 所有
未经授权，不得复制使用。否则，追究法律责任。
*/
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    --primary-color: #00d4ff;
    --primary-dark: #0099cc;
    --secondary-color: #ff6b35;
    --accent-color: #7c3aed;
    --bg-dark: #0a0a0f;
    --bg-card: rgba(255, 255, 255, 0.05);
    --bg-glass: rgba(255, 255, 255, 0.1);
    --text-primary: #ffffff;
    --text-secondary: rgba(255, 255, 255, 0.7);
    --text-muted: rgba(255, 255, 255, 0.5);
    --border-color: rgba(255, 255, 255, 0.1);
    --gradient-primary: linear-gradient(135deg, #00d4ff 0%, #7c3aed 100%);
    --gradient-secondary: linear-gradient(135deg, #ff6b35 0%, #f7931e 100%);
    --shadow-glow: 0 0 40px rgba(0, 212, 255, 0.3);
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Segoe UI', 'PingFang SC', 'Microsoft YaHei', sans-serif;
    background: var(--bg-dark);
    color: var(--text-primary);
    line-height: 1.6;
    overflow-x: hidden;
}

body::before {
    content: '';
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: 
        radial-gradient(ellipse at 20% 20%, rgba(0, 212, 255, 0.15) 0%, transparent 50%),
        radial-gradient(ellipse at 80% 80%, rgba(124, 58, 237, 0.15) 0%, transparent 50%),
        radial-gradient(ellipse at 50% 50%, rgba(255, 107, 53, 0.1) 0%, transparent 50%);
    pointer-events: none;
    z-index: -1;
}

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

ul {
    list-style: none;
}

img {
    max-width: 100%;
    height: auto;
}

.container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 2rem;
}

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    padding: 1rem 2rem;
    border-radius: 50px;
    font-weight: 600;
    font-size: 1rem;
    cursor: pointer;
    border: none;
    transition: var(--transition);
}

.btn-primary {
    background: var(--gradient-primary);
    color: var(--text-primary);
    box-shadow: var(--shadow-glow);
}

.btn-primary:hover {
    transform: translateY(-3px);
    box-shadow: 0 0 60px rgba(0, 212, 255, 0.5);
}

.btn-secondary {
    background: transparent;
    color: var(--text-primary);
    border: 2px solid var(--primary-color);
}

.btn-secondary:hover {
    background: var(--primary-color);
    color: var(--bg-dark);
}

.btn-outline {
    background: transparent;
    color: var(--text-primary);
    border: 2px solid rgba(255, 255, 255, 0.3);
}

.btn-outline:hover {
    border-color: var(--primary-color);
    color: var(--primary-color);
}

header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 1000;
    padding: 1rem 0;
    transition: var(--transition);
}

header.scrolled {
    background: rgba(10, 10, 15, 0.95);
    backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--border-color);
}

nav {
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.logo {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    font-size: 1.5rem;
    font-weight: 700;
}

.logo img {
    width: 80%;
    max-width: 120px;
    height: auto;
    object-fit: contain;
}

.logo-icon {
    width: 45px;
    height: 45px;
    background: var(--gradient-primary);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
}

.logo span {
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.nav-links {
    display: flex;
    align-items: center;
    gap: 2rem;
}

.nav-links a {
    position: relative;
    font-weight: 500;
    color: var(--text-secondary);
    padding: 0.5rem 0;
}

.nav-links a::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--gradient-primary);
    transition: var(--transition);
}

.nav-links a:hover,
.nav-links a.active {
    color: var(--text-primary);
}

.nav-links a:hover::after,
.nav-links a.active::after {
    width: 100%;
}

.nav-right {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.search-container {
    position: relative;
    display: flex;
    align-items: center;
}

.search-btn {
    background: var(--bg-glass);
    border: 1px solid var(--border-color);
    border-radius: 50%;
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: var(--transition);
    color: var(--text-primary);
}

.search-btn:hover {
    background: var(--primary-color);
    color: var(--bg-dark);
    border-color: var(--primary-color);
}

.search-box {
    position: absolute;
    right: 50px;
    top: 50%;
    transform: translateY(-50%);
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 25px;
    padding: 0.5rem 1rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
    min-width: 300px;
    opacity: 0;
    visibility: hidden;
    transform: translateY(-50%) translateX(20px);
    transition: var(--transition);
    backdrop-filter: blur(20px);
}

.search-box.active {
    opacity: 1;
    visibility: visible;
    transform: translateY(-50%) translateX(0);
}

.search-input {
    flex: 1;
    background: transparent;
    border: none;
    color: var(--text-primary);
    font-size: 0.9rem;
    outline: none;
}

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

.search-submit {
    background: var(--primary-color);
    border: none;
    border-radius: 50%;
    width: 30px;
    height: 30px;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: var(--transition);
    color: var(--bg-dark);
}

.search-submit:hover {
    background: var(--primary-dark);
}

@media (max-width: 768px) {
    .search-box {
        position: fixed;
        top: 80px;
        right: 20px;
        left: 20px;
        min-width: auto;
        z-index: 999;
    }
}

.lang-switch {
    position: relative;
}

.lang-dropdown {
    position: relative;
    display: inline-block;
}

.lang-dropdown-btn {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    background: #1a1a2e;
    border: 1px solid var(--border-color);
    border-radius: 8px;
    padding: 0.5rem 2.5rem 0.5rem 0.75rem;
    color: #ffffff;
    font-size: 0.9rem;
    cursor: pointer;
    transition: var(--transition);
    min-width: 120px;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.3);
}

.lang-dropdown-btn:hover {
    border-color: var(--primary-color);
    background: #252540;
}

.lang-dropdown-btn::after {
    content: '▼';
    position: absolute;
    right: 0.75rem;
    top: 50%;
    transform: translateY(-50%);
    font-size: 0.6rem;
    color: var(--primary-color);
    pointer-events: none;
}

.lang-dropdown-content {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: #1a1a2e;
    border: 1px solid var(--border-color);
    border-radius: 8px;
    margin-top: 0.25rem;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.5);
    z-index: 1000;
    overflow: hidden;
}

.lang-dropdown-content.show {
    display: block;
}

.lang-dropdown-item {
    padding: 0.75rem 0.75rem;
    color: #ffffff;
    cursor: pointer;
    transition: var(--transition);
    border-bottom: 1px solid var(--border-color);
    display: flex;
    align-items: center;
}

.lang-dropdown-item:last-child {
    border-bottom: none;
}

.lang-dropdown-item:hover {
    background: #252540;
    color: var(--primary-color);
}

.lang-dropdown-item.active {
    background: var(--primary-color);
    color: #0a0a0f;
    font-weight: 600;
}

.lang-dropdown-divider {
    height: 1px;
    background: var(--border-color);
    margin: 0.5rem 0;
}

.lang-select-link {
    color: var(--primary-color);
    text-decoration: none;
    font-weight: 500;
    background: rgba(0, 212, 255, 0.1);
    border-radius: 8px;
    margin: 0.25rem 0;
    border-bottom: none;
}

.lang-select-link:hover {
    background: rgba(0, 212, 255, 0.2);
    color: var(--primary-color);
    transform: translateX(4px);
}

.lang-select-link svg {
    margin-right: 0.5rem;
}

.lang-dropdown-icon {
    margin-right: 0.5rem;
}

.mobile-menu-btn {
    display: none;
    flex-direction: column;
    gap: 5px;
    padding: 0.5rem;
    cursor: pointer;
    background: none;
    border: none;
}

.mobile-menu-btn span {
    width: 25px;
    height: 2px;
    background: var(--text-primary);
    transition: var(--transition);
}

.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    padding-top: 80px;
    position: relative;
    overflow: hidden;
}

.hero-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
}

.hero-text h1 {
    font-size: clamp(2.5rem, 5vw, 4rem);
    font-weight: 800;
    line-height: 1.2;
    margin-bottom: 1.5rem;
}

.hero-text h1 span {
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-text p {
    font-size: 1.25rem;
    color: var(--text-secondary);
    margin-bottom: 2rem;
    max-width: 500px;
}

.hero-buttons {
    display: flex;
    gap: 1rem;
    flex-wrap: wrap;
}

.hero-visual {
    position: relative;
    display: flex;
    justify-content: center;
    align-items: center;
}

.hero-image {
    width: 100%;
    max-width: 500px;
    aspect-ratio: 1;
    background: var(--gradient-primary);
    border-radius: 30px;
    position: relative;
    overflow: hidden;
    animation: float 6s ease-in-out infinite;
}

.hero-image::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 80%;
    height: 80%;
    background: var(--bg-dark);
    border-radius: 25px;
}

.hero-image::after {
    content: 'ChinaLED. \ALighting';
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    font-size: 3.5rem;
    font-weight: 800;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    white-space: pre;
    text-align: center;
    line-height: 1.2;
}

@keyframes float {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-20px); }
}

.floating-elements {
    position: absolute;
    width: 100%;
    height: 100%;
    pointer-events: none;
}

.floating-element {
    position: absolute;
    width: 60px;
    height: 60px;
    background: var(--bg-glass);
    border-radius: 15px;
    backdrop-filter: blur(10px);
    border: 1px solid var(--border-color);
    animation: float 4s ease-in-out infinite;
}

.floating-element:nth-child(1) {
    top: 10%;
    right: 10%;
    animation-delay: 0s;
}

.floating-element:nth-child(2) {
    bottom: 20%;
    left: 5%;
    animation-delay: 1s;
}

.floating-element:nth-child(3) {
    top: 40%;
    right: 5%;
    animation-delay: 2s;
}

section {
    padding: 6rem 0;
}

.section-header {
    text-align: center;
    margin-bottom: 4rem;
}

.section-header h2 {
    font-size: clamp(2rem, 4vw, 3rem);
    font-weight: 700;
    margin-bottom: 1rem;
}

.section-header h2 span {
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.section-header p {
    color: var(--text-secondary);
    font-size: 1.1rem;
    max-width: 600px;
    margin: 0 auto;
}

.products-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 2rem;
}

.product-card {
    background: var(--bg-card);
    border-radius: 24px;
    overflow: hidden;
    border: 1px solid var(--border-color);
    transition: var(--transition);
    position: relative;
}

.product-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: var(--gradient-primary);
    opacity: 0;
    transition: var(--transition);
    z-index: 0;
}

.product-card:hover {
    transform: translateY(-10px);
    border-color: var(--primary-color);
    box-shadow: var(--shadow-glow);
}

.product-card:hover::before {
    opacity: 0.05;
}

.product-image {
    width: 100%;
    height: 250px;
    background: linear-gradient(135deg, rgba(0, 212, 255, 0.2) 0%, rgba(124, 58, 237, 0.2) 100%);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 4rem;
    position: relative;
    overflow: hidden;
}

.product-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.product-image::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    height: 50%;
    background: linear-gradient(to top, var(--bg-dark), transparent);
}

.product-content {
    padding: 1.5rem;
    position: relative;
    z-index: 1;
}

.product-content h3 {
    font-size: 1.5rem;
    margin-bottom: 0.75rem;
}

.product-content p {
    color: var(--text-secondary);
    margin-bottom: 1.5rem;
}

.product-features {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
    margin-bottom: 1.5rem;
}

.product-features span {
    padding: 0.25rem 0.75rem;
    background: var(--bg-glass);
    border-radius: 20px;
    font-size: 0.85rem;
    color: var(--primary-color);
    border: 1px solid var(--border-color);
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 2rem;
}

.feature-card {
    background: var(--bg-card);
    border-radius: 20px;
    padding: 2rem;
    border: 1px solid var(--border-color);
    transition: var(--transition);
    text-align: center;
}

.feature-card:hover {
    border-color: var(--primary-color);
    transform: translateY(-5px);
}

.feature-icon {
    width: 80px;
    height: 80px;
    background: var(--gradient-primary);
    border-radius: 20px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2rem;
    margin: 0 auto 1.5rem;
}

.feature-card h3 {
    font-size: 1.25rem;
    margin-bottom: 0.75rem;
}

.feature-card p {
    color: var(--text-secondary);
}

.stats-section {
    background: var(--bg-glass);
    border-radius: 30px;
    padding: 4rem 2rem;
    margin: 4rem 0;
    border: 1px solid var(--border-color);
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 2rem;
    text-align: center;
}

.stat-item h3 {
    font-size: 3rem;
    font-weight: 800;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: 0.5rem;
}

.stat-item p {
    color: var(--text-secondary);
    font-size: 1.1rem;
}

.brands-section {
    padding: 4rem 0;
}

.brands-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
    gap: 1.5rem;
    margin-top: 2rem;
}

.brand-logo {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 1.5rem 1rem;
    background: linear-gradient(135deg, rgba(26, 26, 46, 0.9) 0%, rgba(30, 30, 60, 0.95) 100%);
    border-radius: 16px;
    border: 1px solid rgba(255, 255, 255, 0.08);
    transition: var(--transition);
    cursor: pointer;
    position: relative;
    overflow: hidden;
}

.brand-logo::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 2px;
    background: linear-gradient(90deg, transparent, var(--primary-color), transparent);
    opacity: 0;
    transition: var(--transition);
}

.brand-logo::after {
    content: '';
    position: absolute;
    inset: 0;
    background: radial-gradient(circle at 50% 0%, rgba(0, 212, 255, 0.1) 0%, transparent 50%);
    opacity: 0;
    transition: var(--transition);
    pointer-events: none;
}

.brand-logo:hover {
    border-color: var(--primary-color);
    transform: translateY(-6px);
    box-shadow: 0 15px 40px rgba(0, 212, 255, 0.25), 0 5px 15px rgba(0, 0, 0, 0.3);
}

.brand-logo:hover::before {
    opacity: 1;
}

.brand-logo:hover::after {
    opacity: 1;
}

.brand-logo .logo-container {
    width: 100%;
    max-width: 100px;
    height: 60px;
    margin-bottom: 0.75rem;
    background: rgba(255, 255, 255, 0.08);
    border-radius: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    border: 1px solid rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(4px);
    box-shadow: inset 0 2px 10px rgba(0, 0, 0, 0.3);
    transition: var(--transition);
}

.brand-logo:hover .logo-container {
    background: rgba(255, 255, 255, 0.12);
    border-color: var(--primary-color);
    box-shadow: inset 0 2px 10px rgba(0, 0, 0, 0.3), 0 0 20px rgba(0, 212, 255, 0.2);
}

.brand-logo img {
    width: 85%;
    height: 85%;
    object-fit: contain;
    filter: brightness(1.1) drop-shadow(0 1px 3px rgba(0, 0, 0, 0.3));
    transition: var(--transition);
}

.brand-logo:hover img {
    filter: brightness(1.2) drop-shadow(0 0 10px rgba(0, 212, 255, 0.5));
    transform: scale(1.05);
}

.brand-placeholder {
    min-width: 80px;
    max-width: 120px;
    height: 80px;
    border-radius: 12px;
    background: linear-gradient(135deg, rgba(255,255,255,0.1) 0%, rgba(255,255,255,0.02) 100%);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.65rem;
    font-weight: 700;
    color: var(--text-secondary);
    margin-bottom: 0.75rem;
    border: 1px solid rgba(255,255,255,0.05);
    padding: 0.5rem;
    text-align: center;
    word-break: break-word;
}

.brand-name {
    color: var(--text-primary);
    font-size: 0.9rem;
    font-weight: 500;
}

.brands-description {
    text-align: center;
    padding: 2rem;
    margin-top: 2rem;
    background: linear-gradient(135deg, rgba(26, 26, 46, 0.8) 0%, rgba(30, 30, 60, 0.9) 100%);
    border-radius: 16px;
    border: 1px solid rgba(0, 212, 255, 0.2);
}

.brands-description h3 {
    font-size: 1.5rem;
    color: var(--text-primary);
    margin-bottom: 0.75rem;
}

.brands-description p {
    font-size: 1rem;
    color: var(--text-secondary);
    line-height: 1.6;
}

.faq-section {
    max-width: 800px;
    margin: 0 auto;
}

.faq-item {
    background: var(--bg-card);
    border-radius: 16px;
    margin-bottom: 1rem;
    border: 1px solid var(--border-color);
    overflow: hidden;
    transition: var(--transition);
}

.faq-item:hover {
    border-color: var(--primary-color);
}

.faq-question {
    padding: 1.5rem;
    display: flex;
    align-items: center;
    justify-content: space-between;
    cursor: pointer;
    font-weight: 600;
    font-size: 1.1rem;
}

.faq-question::after {
    content: '+';
    font-size: 1.5rem;
    color: var(--primary-color);
    transition: var(--transition);
}

.faq-item.active .faq-question::after {
    transform: rotate(45deg);
}

.faq-answer {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.3s ease;
}

.faq-answer-content {
    padding: 0 1.5rem 1.5rem;
    color: var(--text-secondary);
    line-height: 1.8;
}

.faq-item.active .faq-answer {
    max-height: 500px;
}

.contact-section {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: start;
}

.contact-info h3 {
    font-size: 1.5rem;
    margin-bottom: 1.5rem;
}

.contact-item {
    display: flex;
    align-items: flex-start;
    gap: 1rem;
    margin-bottom: 1.5rem;
}

.contact-item-icon {
    width: 50px;
    height: 50px;
    background: var(--bg-glass);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.25rem;
    flex-shrink: 0;
}

.contact-item-text h4 {
    font-size: 1rem;
    margin-bottom: 0.25rem;
}

.contact-item-text p {
    color: var(--text-secondary);
}

.contact-form {
    background: var(--bg-card);
    border-radius: 24px;
    padding: 2.5rem;
    border: 1px solid var(--border-color);
}

.form-group {
    margin-bottom: 1.5rem;
}

.form-group label {
    display: block;
    margin-bottom: 0.5rem;
    font-weight: 500;
}

.form-group input,
.form-group textarea,
.form-group select {
    width: 100%;
    padding: 1rem;
    background: #1a1a2e;
    border: 1px solid var(--border-color);
    border-radius: 12px;
    color: #ffffff;
    font-size: 1rem;
    transition: var(--transition);
    font-family: inherit;
}

.form-group select {
    appearance: none;
    -webkit-appearance: none;
    -moz-appearance: none;
    cursor: pointer;
}

.form-group select:hover {
    border-color: var(--primary-color);
}

.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(0, 212, 255, 0.1);
}

.form-group textarea {
    min-height: 150px;
    resize: vertical;
}

.form-group select option {
    background: #1a1a2e;
    color: #ffffff;
    padding: 0.5rem;
}

footer {
    background: var(--bg-glass);
    border-top: 1px solid var(--border-color);
    padding: 4rem 0 2rem;
}

.footer-content {
    display: grid;
    grid-template-columns: 2fr repeat(3, 1fr);
    gap: 3rem;
    margin-bottom: 3rem;
}

.footer-brand p {
    color: var(--text-secondary);
    margin-top: 1rem;
    max-width: 300px;
}

.footer-links h4 {
    font-size: 1.1rem;
    margin-bottom: 1.5rem;
}

.footer-links ul li {
    margin-bottom: 0.75rem;
}

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

.footer-links a:hover {
    color: var(--primary-color);
}

.footer-bottom {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding-top: 2rem;
    border-top: 1px solid var(--border-color);
    color: var(--text-secondary);
}

.social-links {
    display: flex;
    gap: 1rem;
}

.social-links a {
    width: 40px;
    height: 40px;
    background: var(--bg-glass);
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: var(--transition);
}

.social-links a:hover {
    background: var(--primary-color);
    color: var(--bg-dark);
}

.wechat-popup {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.7);
    display: none;
    align-items: center;
    justify-content: center;
    z-index: 9999;
}

.wechat-popup.active {
    display: flex;
}

.wechat-popup-content {
    background: var(--bg-card);
    border-radius: 16px;
    padding: 2rem;
    text-align: center;
    position: relative;
    max-width: 320px;
}

.wechat-popup-close {
    position: absolute;
    top: 0.75rem;
    right: 1rem;
    background: none;
    border: none;
    color: var(--text-secondary);
    font-size: 1.5rem;
    cursor: pointer;
    line-height: 1;
}

.wechat-popup-close:hover {
    color: var(--text-primary);
}

.wechat-popup-content h3 {
    margin-bottom: 1.5rem;
    color: var(--text-primary);
}

.wechat-qrcode {
    width: 200px;
    height: 200px;
    margin: 0 auto 1rem;
    background: #fff;
    border-radius: 8px;
    overflow: hidden;
}

.wechat-qrcode img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.qr-placeholder {
    width: 100%;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    color: #666;
    font-size: 0.85rem;
    padding: 1rem;
    box-sizing: border-box;
}

.wechat-popup-content p {
    color: var(--text-secondary);
    font-size: 0.9rem;
}

.page-header {
    padding-top: 120px;
    padding-bottom: 4rem;
    text-align: center;
}

.page-header h1 {
    font-size: clamp(2rem, 4vw, 3rem);
    margin-bottom: 1rem;
}

.page-header h1 span {
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.page-header p {
    color: var(--text-secondary);
    font-size: 1.1rem;
}

.breadcrumb {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    margin-bottom: 1.5rem;
    color: var(--text-secondary);
    font-size: 0.9rem;
}

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

.about-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
}

.about-image {
    width: 100%;
    aspect-ratio: 4/3;
    background: var(--gradient-primary);
    border-radius: 30px;
    position: relative;
    overflow: hidden;
}

.about-image::before {
    content: '';
    position: absolute;
    top: 20px;
    left: 20px;
    right: 20px;
    bottom: 20px;
    background: var(--bg-dark);
    border-radius: 25px;
}

.about-text h2 {
    font-size: 2rem;
    margin-bottom: 1.5rem;
}

.about-text h2 span {
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.about-text p {
    color: var(--text-secondary);
    margin-bottom: 1rem;
    line-height: 1.8;
}

.values-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
    margin-top: 4rem;
}

.value-card {
    text-align: center;
    padding: 2rem;
}

.value-card .icon {
    width: 70px;
    height: 70px;
    background: var(--gradient-primary);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.75rem;
    margin: 0 auto 1.5rem;
}

.value-card h3 {
    font-size: 1.25rem;
    margin-bottom: 0.75rem;
}

.value-card p {
    color: var(--text-secondary);
}

.product-detail-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
}

.product-detail-card {
    background: var(--bg-card);
    border-radius: 24px;
    overflow: hidden;
    border: 1px solid var(--border-color);
    transition: var(--transition);
}

.product-detail-card:hover {
    border-color: var(--primary-color);
    transform: translateY(-5px);
}

.product-detail-image {
    position: relative;
    aspect-ratio: 1 / 1;
    background: linear-gradient(135deg, rgba(0, 212, 255, 0.3) 0%, rgba(124, 58, 237, 0.3) 100%);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 3rem;
    overflow: hidden;
}

.product-detail-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: var(--transition);
}

.product-detail-image:hover img {
    transform: scale(1.1);
}

.product-detail-image .thumbnail-overlay {
    position: absolute;
    inset: 0;
    background: rgba(0, 0, 0, 0.6);
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transition: var(--transition);
}

.product-detail-image:hover .thumbnail-overlay {
    opacity: 1;
}

.thumbnail-overlay .btn-inquiry {
    background: var(--gradient-primary);
    color: #fff;
    padding: 0.75rem 1.5rem;
    border-radius: 25px;
    font-weight: 600;
    font-size: 0.9rem;
    text-decoration: none;
    box-shadow: 0 0 20px rgba(0, 212, 255, 0.4);
    transition: var(--transition);
}

.thumbnail-overlay .btn-inquiry:hover {
    transform: scale(1.1);
    box-shadow: 0 0 30px rgba(0, 212, 255, 0.6);
}

.product-detail-content {
    padding: 1.5rem;
}

.product-detail-content h3 {
    font-size: 1.25rem;
    margin-bottom: 0.5rem;
}

.product-detail-content h3 a {
    color: var(--text-primary);
    text-decoration: none;
    transition: var(--transition);
}

.product-detail-content h3 a:hover {
    color: var(--primary-color);
}

.product-detail-content p {
    color: var(--text-secondary);
    margin-bottom: 1rem;
    font-size: 0.95rem;
}

@media (max-width: 1024px) {
    .hero-content {
        grid-template-columns: 1fr;
        text-align: center;
    }

    .hero-text p {
        margin: 0 auto 2rem;
    }

    .hero-buttons {
        justify-content: center;
    }

    .hero-visual {
        order: -1;
    }

    .hero-image {
        max-width: 350px;
    }

    .contact-section {
        grid-template-columns: 1fr;
    }

    .footer-content {
        grid-template-columns: 1fr 1fr;
    }

    .about-content {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 768px) {
    .nav-links {
        position: fixed;
        top: 0;
        left: 0;
        width: 100%;
        height: 100vh;
        background: rgba(10, 10, 15, 0.98);
        flex-direction: column;
        justify-content: center;
        gap: 2rem;
        opacity: 0;
        visibility: hidden;
        transition: var(--transition);
    }

    .nav-links.active {
        opacity: 1;
        visibility: visible;
    }

    .nav-links a {
        font-size: 1.5rem;
    }

    .mobile-menu-btn {
        display: flex;
        z-index: 1001;
    }

    .mobile-menu-btn.active span:nth-child(1) {
        transform: rotate(45deg) translate(5px, 5px);
    }

    .mobile-menu-btn.active span:nth-child(2) {
        opacity: 0;
    }

    .mobile-menu-btn.active span:nth-child(3) {
        transform: rotate(-45deg) translate(5px, -5px);
    }

    .footer-content {
        grid-template-columns: 1fr;
        text-align: center;
    }

    .footer-brand {
        display: none;
    }

    .footer-links {
        text-align: left;
        border-bottom: 1px solid var(--border-color);
        padding-bottom: 1rem;
        margin-bottom: 1rem;
    }

    .footer-links:last-child {
        border-bottom: none;
    }

    .footer-links h4 {
        cursor: pointer;
        display: flex;
        justify-content: space-between;
        align-items: center;
        margin-bottom: 0;
    }

    .footer-links h4::after {
        content: '+';
        font-size: 1.5rem;
        font-weight: 300;
        transition: transform 0.3s;
    }

    .footer-links.active h4::after {
        transform: rotate(45deg);
    }

    .footer-links ul {
        display: none;
        padding-top: 1rem;
    }

    .footer-links.active ul {
        display: block;
    }

    .footer-brand p {
        margin: 1rem auto 0;
    }

    .footer-bottom {
        flex-direction: column;
        gap: 1rem;
        text-align: center;
    }

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

@media (max-width: 480px) {
    .container {
        padding: 0 1rem;
    }

    .btn {
        padding: 0.75rem 1.5rem;
        font-size: 0.9rem;
    }

    .hero-buttons {
        flex-direction: column;
        width: 100%;
    }

    .hero-buttons .btn {
        width: 100%;
    }

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

    .stat-item h3 {
        font-size: 2.5rem;
    }
}

.fade-in {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.6s ease, transform 0.6s ease;
}

.fade-in.visible,
.product-card.visible,
.feature-card.visible,
.value-card.visible,
.product-detail-card.visible,
.stat-item.visible {
    opacity: 1 !important;
    transform: translateY(0) !important;
}

::-webkit-scrollbar {
    width: 10px;
}

::-webkit-scrollbar-track {
    background: var(--bg-dark);
}

::-webkit-scrollbar-thumb {
    background: var(--primary-color);
    border-radius: 5px;
}

::-webkit-scrollbar-thumb:hover {
    background: var(--primary-dark);
}

::selection {
    background: var(--primary-color);
    color: var(--bg-dark);
}

.pagination {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 0.5rem;
    margin-top: 3rem;
    padding: 1rem 0;
}

.pagination-btn {
    min-width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    color: var(--text-secondary);
    font-size: 0.9rem;
    cursor: pointer;
    transition: var(--transition);
}

.pagination-btn:hover:not(:disabled) {
    background: var(--primary-color);
    border-color: var(--primary-color);
    color: var(--bg-dark);
}

.pagination-btn.active {
    background: var(--gradient-primary);
    border-color: var(--primary-color);
    color: #fff;
    font-weight: 600;
}

.pagination-btn:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

.pagination-ellipsis {
    color: var(--text-secondary);
    padding: 0 0.5rem;
}

/* RTL Support for Arabic */
html[dir="rtl"] .nav-links {
    direction: rtl;
}

html[dir="rtl"] .breadcrumb {
    direction: rtl;
}

.product-detail-section {
    padding: 2rem 0 4rem;
}

.product-detail-wrapper {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 3rem;
    align-items: start;
}

.product-carousel {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.carousel-main {
    position: relative;
    aspect-ratio: 1 / 1;
    border-radius: 20px;
    overflow: hidden;
    background: var(--bg-card);
    border: 1px solid var(--border-color);
}

.carousel-slides {
    position: relative;
    width: 100%;
    height: 100%;
}

.carousel-slide {
    position: absolute;
    inset: 0;
    opacity: 0;
    transition: opacity 0.5s ease;
}

.carousel-slide.active {
    opacity: 1;
}

.carousel-slide img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.carousel-btn {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    width: 40px;
    height: 40px;
    background: var(--bg-glass);
    border: 1px solid var(--border-color);
    border-radius: 50%;
    color: var(--text-primary);
    font-size: 1.5rem;
    cursor: pointer;
    transition: var(--transition);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 10;
}

.carousel-btn:hover {
    background: var(--primary-color);
    color: var(--bg-dark);
}

.carousel-prev {
    left: 1rem;
}

.carousel-next {
    right: 1rem;
}

.carousel-thumbnails {
    display: flex;
    gap: 0.75rem;
}

.carousel-thumb {
    width: 80px;
    height: 80px;
    border-radius: 10px;
    overflow: hidden;
    border: 2px solid transparent;
    cursor: pointer;
    transition: var(--transition);
    opacity: 0.7;
}

.carousel-thumb:hover {
    opacity: 1;
}

.carousel-thumb.active {
    border-color: var(--primary-color);
    opacity: 1;
}

.carousel-thumb img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.product-info-panel {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.product-info-panel .product-title {
    font-size: 2rem;
    font-weight: 700;
}

.product-info-panel .product-model {
    font-size: 1rem;
    color: var(--primary-color);
    font-weight: 500;
}

.product-info-panel .product-desc {
    color: var(--text-secondary);
    line-height: 1.8;
}

.product-info-panel .product-desc p {
    margin-bottom: 0.75rem;
}

.product-actions {
    display: flex;
    align-items: center;
    gap: 1.5rem;
    margin-top: 1rem;
}

.share-buttons {
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.share-label {
    color: var(--text-secondary);
    font-size: 0.9rem;
}

.share-btn {
    width: 36px;
    height: 36px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    color: var(--text-secondary);
    transition: var(--transition);
}

.share-btn:hover {
    background: var(--primary-color);
    border-color: var(--primary-color);
    color: var(--bg-dark);
    transform: translateY(-2px);
}

.share-btn svg {
    width: 18px;
    height: 18px;
}

.spec-cards-section {
    padding: 3rem 0;
}

.product-tabs-section {
    padding: 3rem 0;
}

.product-tabs {
    display: flex;
    gap: 0;
    margin-bottom: 2rem;
}

.tab-btn {
    padding: 1rem 2rem;
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    color: var(--text-secondary);
    font-size: 1rem;
    font-weight: 500;
    cursor: pointer;
    transition: var(--transition);
    position: relative;
}

.tab-btn:first-child {
    border-radius: 10px 0 0 10px;
}

.tab-btn:last-child {
    border-radius: 0 10px 10px 0;
    border-left: none;
}

.tab-btn:hover {
    color: var(--text-primary);
}

.tab-btn.active {
    background: var(--gradient-primary);
    border-color: var(--primary-color);
    color: #fff;
}

.tab-content {
    background: var(--bg-card);
    border-radius: 20px;
    border: 1px solid var(--border-color);
    padding: 2rem;
}

.tab-panel {
    display: none;
}

.tab-panel.active {
    display: block;
}

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

.params-table-wrapper {
    overflow-x: auto;
}

.params-table th,
.params-table td {
    padding: 1rem 1.5rem;
    text-align: center;
    border-bottom: 1px solid var(--border-color);
    white-space: nowrap;
}

.params-table th {
    background: rgba(0, 212, 255, 0.1);
    color: var(--primary-color);
    font-weight: 600;
    font-size: 0.95rem;
}

.params-table thead tr {
    background: linear-gradient(135deg, rgba(0, 212, 255, 0.05) 0%, rgba(124, 58, 237, 0.05) 100%);
}

.params-table td {
    color: var(--text-secondary);
}

.params-table tbody tr:hover {
    background: rgba(255, 255, 255, 0.05);
}

.params-table tbody tr:nth-child(even) {
    background: rgba(255, 255, 255, 0.02);
}

.params-table td:first-child {
    color: var(--primary-color);
    font-weight: 600;
    text-align: left;
}

.params-table th:first-child {
    text-align: left;
}

.specs-download {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.spec-file {
    display: flex;
    align-items: center;
    gap: 1.5rem;
    padding: 1.5rem;
    background: rgba(255, 255, 255, 0.02);
    border-radius: 12px;
    border: 1px solid var(--border-color);
    transition: var(--transition);
}

.spec-file:hover {
    border-color: var(--primary-color);
}

.spec-file-icon {
    font-size: 2.5rem;
}

.spec-file-info {
    flex: 1;
}

.spec-file-info h4 {
    font-size: 1.1rem;
    margin-bottom: 0.25rem;
}

.spec-file-info p {
    color: var(--text-secondary);
    font-size: 0.9rem;
}

@media (max-width: 1024px) {
    .product-detail-wrapper {
        grid-template-columns: 1fr;
    }
    
    .spec-cards-grid {
        grid-template-columns: 1fr;
    }
    
    .params-table th,
    .params-table td {
        padding: 0.75rem 1rem;
    }
    
    .spec-file {
        flex-direction: column;
        text-align: center;
    }
}