* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: Arial, sans-serif;
    background-color: #1a1a1a;
    color: #ffffff;
}

/* Navigation Logo */
.nav-logo-container {
    background-color: #2d2d2d;
    padding: 20px 0 0 0;
    text-align: center;
}

.nav-logo-image {
    max-width: 200px;
    height: auto;
}

/* Navigation Bar */
.navbar {
    background-color: #2d2d2d;
    padding: 20px 0;
    position: sticky;
    top: 0;
    z-index: 1000;
}

.nav-container {
    display: flex;
    justify-content: center;
    align-items: center;
    max-width: 1200px;
    margin: 0 auto;
    gap: 100px;
}

.logo {
    font-size: 24px;
    font-weight: bold;
    letter-spacing: 3px;
    color: #ffffff;
}

.nav-item {
    font-size: 14px;
    color: #ffffff;
    cursor: pointer;
    transition: color 0.3s;
}

.nav-item:hover {
    color: #888;
}

.nav-item.active {
    color: #888;
}

/* Hero Carousel */
.hero-carousel {
    width: 100%;
    height: 500px;
    background-color: #0a0a0a;
    position: relative;
    overflow: hidden;
}

.carousel-container {
    width: 100%;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
}

.carousel-slide {
    width: 100%;
    height: 100%;
    display: none;
    align-items: center;
    justify-content: center;
}

.carousel-slide.active {
    display: flex;
}

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

.hero-logo {
    max-width: 300px;
    opacity: 0.9;
}

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

.carousel-dots {
    position: absolute;
    bottom: 30px;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    gap: 12px;
}

.dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background-color: rgba(255, 255, 255, 0.3);
    cursor: pointer;
    transition: background-color 0.3s;
}

.dot.active {
    background-color: rgba(255, 255, 255, 0.8);
}

/* Product Sections */
.product-section {
    max-width: 1200px;
    margin: 60px auto;
    padding: 0 20px;
}

.section-title {
    font-size: 28px;
    font-weight: normal;
    margin-bottom: 30px;
    color: #ffffff;
}

.product-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 20px;
}

.product-card {
    background-color: #2d2d2d;
    overflow: hidden;
    cursor: pointer;
    transition: transform 0.3s;
}

.product-card:hover {
    transform: translateY(-5px);
}

.product-card img {
    width: 100%;
    height: 400px;
    object-fit: cover;
    display: block;
    background: linear-gradient(135deg, #2d2d2d 0%, #1a1a1a 100%);
}

.product-info {
    padding: 15px;
    display: none;
    justify-content: space-between;
    align-items: center;
    font-size: 12px;
    color: #cccccc;
}

.product-name {
    font-weight: normal;
}

.product-detail {
    color: #999;
}

.product-price {
    font-weight: normal;
}

/* About Section */
.about-section {
    background-color: #1a1a1a;
    padding: 60px 20px;
    max-width: 1200px;
    margin: 60px auto;
}

.about-title {
    font-size: 28px;
    font-weight: normal;
    margin-bottom: 30px;
    text-align: center;
}

.about-content {
    max-width: 900px;
    margin: 0 auto 40px;
    line-height: 1.8;
    color: #cccccc;
    text-align: justify;
}

.about-content p {
    margin-bottom: 20px;
    font-size: 14px;
}

.social-icons {
    display: flex;
    justify-content: center;
    gap: 20px;
    margin-top: 40px;
}

.social-icon {
    width: 40px;
    height: 40px;
    display: inline-block;
    background-size: contain;
    background-repeat: no-repeat;
    background-position: center;
    cursor: pointer;
    transition: opacity 0.3s;
}

.social-icon:hover {
    opacity: 0.7;
}

.social-icon.xiaohongshu {
    background-image: url('xiaohongshu.svg');
    background-size: contain;
    background-position: center;
    background-repeat: no-repeat;
}

.social-icon.taobao {
    background-image: url('taobao.svg');
    background-size: contain;
    background-position: center;
    background-repeat: no-repeat;
}

.social-icon.douyin {
    background-image: url('douyin.svg');
    background-size: contain;
    background-position: center;
    background-repeat: no-repeat;
}

/* Responsive Design */
@media (max-width: 768px) {
    .nav-container {
        gap: 30px;
        flex-wrap: wrap;
    }
    
    .product-grid {
        grid-template-columns: 1fr;
    }
    
    .hero-carousel {
        height: 300px;
    }
}