/* 全局样式 */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    --primary-color: #1a1a1a;
    --secondary-color: #333;
    --accent-color: #c9a96e;
    --text-color: #e0e0e0;
    --light-text: #999;
    --bg-dark: #0a0a0a;
    --bg-light: #1f1f1f;
    --border-color: #333;
}

body {
    font-family: 'Raleway', sans-serif;
    background-color: var(--bg-dark);
    color: var(--text-color);
    line-height: 1.6;
    overflow-x: hidden;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

a {
    text-decoration: none;
    color: var(--accent-color);
    transition: all 0.3s ease;
}

h1, h2, h3 {
    font-family: 'Playfair Display', serif;
    margin-bottom: 20px;
}

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

/* 标题样式 */
h1 {
    font-size: 2.5rem;
    color: var(--accent-color);
    font-weight: 700;
}

h2 {
    font-size: 2.2rem;
    color: var(--text-color);
    position: relative;
    margin-bottom: 40px;
    text-align: center;
}

h2::after {
    content: '';
    position: absolute;
    bottom: -10px;
    left: 50%;
    transform: translateX(-50%);
    width: 80px;
    height: 3px;
    background-color: var(--accent-color);
}

h3 {
    font-size: 1.8rem;
    color: var(--text-color);
}

/* 按钮样式 */
.btn {
    display: inline-block;
    padding: 12px 24px;
    font-size: 0.9rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 1px;
    border-radius: 4px;
    transition: all 0.3s ease;
    cursor: pointer;
    border: none;
}

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

.btn-primary:hover {
    background-color: #b8945d;
    transform: translateY(-2px);
}

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

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

/* 段落样式 */
p {
    margin-bottom: 20px;
    color: var(--light-text);
    font-size: 1rem;
    line-height: 1.7;
}

/* 页头 */
.header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    background-color: rgba(10, 10, 10, 0.9);
    backdrop-filter: blur(10px);
    z-index: 1000;
    padding: 15px 0;
    transition: all 0.3s ease;
}

.header .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    display: flex;
    align-items: center;
}

.logo-img {
    height: 50px;
    margin-right: 15px;
    border-radius: 4px;
}

.logo-text h1 {
    font-size: 2rem;
    margin-bottom: 0;
}

.logo-text p {
    margin: 0;
    font-size: 0.8rem;
    color: var(--light-text);
}

.nav {
    display: flex;
}

.nav-link {
    color: var(--text-color);
    margin-left: 30px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 1px;
    font-size: 0.9rem;
    transition: all 0.3s ease;
}

.nav-link:hover {
    color: var(--accent-color);
}

/* 英雄区域 */
.hero {
    height: 100vh;
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    overflow: hidden;
}

.hero-bg {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: -1;
}

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

.hero-bg::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(10, 10, 10, 0.7);
    z-index: 1;
}

.hero-content {
    position: relative;
    z-index: 2;
    max-width: 900px;
}

.hero-text {
    background-color: rgba(0, 0, 0, 0.6);
    padding: 50px;
    border-radius: 10px;
    backdrop-filter: blur(5px);
}

.hero-text h2 {
    font-size: 3.5rem;
    margin-bottom: 20px;
    color: var(--text-color);
    text-transform: uppercase;
    letter-spacing: 2px;
}

.hero-subtitle {
    font-size: 1.3rem;
    margin-bottom: 20px;
    color: var(--accent-color);
    font-weight: 600;
    letter-spacing: 1px;
}

.hero-description,
.hero-description-en {
    font-size: 1.1rem;
    margin-bottom: 15px;
    color: var(--light-text);
    letter-spacing: 0.5px;
}

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

/* 通用区块样式 */
.section {
    padding: 100px 0;
}

.section-header {
    text-align: center;
    margin-bottom: 80px;
}

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

/* 产品展示 */
.products {
    background-color: var(--bg-light);
}

.product-categories {
    display: flex;
    justify-content: center;
    flex-wrap: wrap;
    gap: 15px;
    margin-bottom: 50px;
}

.category-btn {
    background-color: var(--primary-color);
    border: 1px solid var(--border-color);
    color: var(--light-text);
    padding: 10px 20px;
    font-size: 0.9rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 1px;
    border-radius: 4px;
    cursor: pointer;
    transition: all 0.3s ease;
}

.category-btn.active,
.category-btn:hover {
    background-color: var(--accent-color);
    color: var(--bg-dark);
    border-color: var(--accent-color);
}

.product-category {
    display: none;
}

.product-category.active {
    display: block;
}

.product-category h3 {
    font-size: 1.8rem;
    color: var(--accent-color);
    margin-bottom: 30px;
    text-align: center;
}

.products-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 25px;
}

.product-card {
    background-color: var(--primary-color);
    border-radius: 8px;
    overflow: hidden;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.3);
    transition: all 0.3s ease;
}

.product-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 15px 40px rgba(0, 0, 0, 0.4);
}

.product-image {
    position: relative;
    height: 250px;
    overflow: hidden;
}

.product-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: all 0.5s ease;
}

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

.product-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(rgba(0, 0, 0, 0.1), rgba(0, 0, 0, 0.8));
    display: flex;
    flex-direction: column;
    justify-content: flex-end;
    padding: 20px;
    opacity: 0;
    transition: all 0.3s ease;
}

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

.product-overlay h3 {
    color: var(--accent-color);
    margin-bottom: 5px;
}

.product-overlay p {
    color: var(--text-color);
    margin-bottom: 0;
    font-size: 0.9rem;
}

.product-info {
    padding: 30px;
}

.product-info h3 {
    color: var(--accent-color);
    margin-bottom: 15px;
}

.product-info p {
    margin-bottom: 20px;
    font-size: 0.95rem;
}

.btn-details {
    color: var(--accent-color);
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 1px;
    font-size: 0.9rem;
    display: inline-block;
    border-bottom: 2px solid var(--accent-color);
    padding-bottom: 2px;
    transition: all 0.3s ease;
}

.btn-details:hover {
    color: #fff;
    border-bottom-color: #fff;
}

/* OEM/ODM服务 */
.oem {
    background-color: var(--bg-dark);
}

.oem-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
    max-width: 1000px;
    margin: 0 auto;
}

.oem-intro {
    display: grid;
    grid-template-columns: 1fr 2fr;
    gap: 40px;
    align-items: center;
    margin-bottom: 50px;
}

.oem-logo {
    width: 100%;
    max-width: 300px;
    border-radius: 8px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.3);
    margin: 0 auto;
}

.oem-text h3 {
    font-size: 2.2rem;
    color: var(--accent-color);
    margin-bottom: 15px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.oem-text p {
    font-size: 1.1rem;
    margin-bottom: 30px;
    color: var(--text-color);
    font-style: italic;
}

.oem-text ul {
    list-style: none;
    padding: 0;
    margin-bottom: 40px;
}

.oem-text ul li {
    display: flex;
    align-items: center;
    margin-bottom: 20px;
    font-size: 1.1rem;
    color: var(--text-color);
    padding-left: 30px;
    position: relative;
}

.oem-text ul li::before {
    content: '✓';
    position: absolute;
    left: 0;
    color: var(--accent-color);
    font-size: 1.5rem;
    font-weight: bold;
}

.oem-cta {
    text-align: center;
    margin-top: 40px;
}

.oem-cta .btn {
    font-size: 1rem;
    padding: 15px 30px;
    letter-spacing: 2px;
}

.oem-services {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 40px;
}

.service-item {
    display: flex;
    align-items: flex-start;
    background-color: var(--bg-light);
    padding: 30px;
    border-radius: 10px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.2);
    transition: all 0.3s ease;
}

.service-item:hover {
    transform: translateY(-5px);
    box-shadow: 0 15px 40px rgba(0, 0, 0, 0.3);
}

.service-icon {
    font-size: 2.5rem;
    margin-right: 20px;
    color: var(--accent-color);
}

.service-info h4 {
    font-size: 1.3rem;
    color: var(--text-color);
    margin-bottom: 10px;
}

.service-info p {
    margin-bottom: 0;
    font-size: 1rem;
    color: var(--light-text);
}

/* 工厂展示 */
.factory {
    background-color: var(--bg-light);
}

.factory-categories {
    display: flex;
    justify-content: center;
    flex-wrap: wrap;
    gap: 15px;
    margin-bottom: 50px;
}

.factory-category-btn {
    background-color: var(--primary-color);
    border: 1px solid var(--border-color);
    color: var(--light-text);
    padding: 10px 20px;
    font-size: 0.9rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 1px;
    border-radius: 4px;
    cursor: pointer;
    transition: all 0.3s ease;
}

.factory-category-btn.active,
.factory-category-btn:hover {
    background-color: var(--accent-color);
    color: var(--bg-dark);
    border-color: var(--accent-color);
}

.factory-category {
    display: none;
}

.factory-category.active {
    display: block;
}

.factory-category h3 {
    font-size: 1.8rem;
    color: var(--accent-color);
    margin-bottom: 30px;
    text-align: center;
}

.factory-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: start;
}

.factory-text h3 {
    font-size: 2rem;
    color: var(--accent-color);
    margin-bottom: 25px;
}

.factory-text p {
    font-size: 1.1rem;
    margin-bottom: 40px;
}

.factory-features {
    margin-bottom: 50px;
}

.feature {
    display: flex;
    align-items: flex-start;
    margin-bottom: 30px;
}

.feature-icon {
    font-size: 2.5rem;
    margin-right: 20px;
    color: var(--accent-color);
}

.feature-info h4 {
    font-size: 1.2rem;
    color: var(--text-color);
    margin-bottom: 8px;
}

.feature-info p {
    margin-bottom: 0;
    font-size: 0.95rem;
}

.oem-odm {
    background-color: var(--bg-light);
    padding: 30px;
    border-radius: 8px;
    border-left: 4px solid var(--accent-color);
}

.oem-odm h3 {
    font-size: 1.6rem;
    color: var(--accent-color);
    margin-bottom: 20px;
}

.oem-odm p {
    margin-bottom: 30px;
}

.factory-gallery {
    width: 100%;
}

.gallery-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 20px;
}

.gallery-item {
    position: relative;
    overflow: hidden;
    border-radius: 8px;
}

.gallery-item img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: all 0.5s ease;
}

.gallery-item:hover img {
    transform: scale(1.05);
}



/* 联系我们 */
.contact {
    background-color: var(--bg-light);
}

.contact-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
}

.contact-info {
    display: flex;
    flex-direction: column;
    gap: 30px;
}

.contact-item h3 {
    font-size: 1.2rem;
    color: var(--accent-color);
    margin-bottom: 8px;
}

.contact-item p {
    margin-bottom: 0;
    font-size: 1.1rem;
    color: var(--text-color);
}

.contact-subtitle {
    font-size: 0.9rem !important;
    color: var(--light-text) !important;
    margin-top: 5px !important;
}

.social-media {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 15px;
    margin: 20px 0;
}

.social-item {
    display: flex;
    align-items: center;
    background-color: var(--primary-color);
    padding: 12px 15px;
    border-radius: 6px;
    transition: all 0.3s ease;
}

.social-item:hover {
    background-color: var(--accent-color);
    color: var(--bg-dark);
}

.social-icon {
    font-size: 1.3rem;
    margin-right: 10px;
}

.social-note {
    margin-top: 10px !important;
    font-size: 0.95rem !important;
    color: var(--light-text) !important;
}

.social-note strong {
    color: var(--accent-color);
    font-weight: 600;
}

.contact-direct {
    background-color: var(--primary-color);
    padding: 40px;
    border-radius: 8px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.2);
}

.contact-direct h3 {
    font-size: 1.8rem;
    color: var(--text-color);
    margin-bottom: 30px;
}

.contact-options {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 30px;
}

.contact-option {
    display: flex;
    align-items: flex-start;
    padding: 20px;
    background-color: var(--bg-light);
    border-radius: 8px;
    transition: all 0.3s ease;
}

.contact-option:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 20px rgba(0, 0, 0, 0.3);
}

.contact-option-icon {
    font-size: 2rem;
    margin-right: 15px;
    color: var(--accent-color);
}

.contact-option-content h4 {
    font-size: 1.2rem;
    color: var(--text-color);
    margin-bottom: 10px;
}

.contact-option-content p {
    margin-bottom: 5px;
    font-size: 0.95rem;
}

.form-group {
    margin-bottom: 25px;
}

.form-group label {
    display: block;
    margin-bottom: 8px;
    color: var(--text-color);
    font-weight: 600;
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 12px 15px;
    background-color: var(--bg-dark);
    border: 1px solid var(--border-color);
    border-radius: 4px;
    color: var(--text-color);
    font-family: 'Raleway', sans-serif;
    transition: all 0.3s ease;
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--accent-color);
    box-shadow: 0 0 5px rgba(201, 169, 110, 0.3);
}

/* 页脚 */
.footer {
    background-color: var(--primary-color);
    padding: 60px 0 20px;
}

.footer-content {
    display: grid;
    grid-template-columns: 1fr 2fr;
    gap: 40px;
    margin-bottom: 40px;
}

.footer-logo h2 {
    font-size: 2.2rem;
    color: var(--accent-color);
    margin-bottom: 10px;
    text-align: left;
}

.footer-logo h2::after {
    display: none;
}

.footer-logo p {
    font-size: 1rem;
    color: var(--light-text);
    margin-bottom: 0;
}

.footer-links {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
}

.footer-column h3 {
    font-size: 1.2rem;
    color: var(--text-color);
    margin-bottom: 20px;
}

.footer-column ul {
    list-style: none;
}

.footer-column ul li {
    margin-bottom: 12px;
}

.footer-column ul li a {
    color: var(--light-text);
    font-size: 0.9rem;
    transition: all 0.3s ease;
}

.footer-column ul li a:hover {
    color: var(--accent-color);
    padding-left: 5px;
}

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

.footer-bottom p {
    margin-bottom: 0;
    font-size: 0.9rem;
    color: var(--light-text);
}

/* 响应式设计 */
@media (max-width: 992px) {
    .products-grid,
    .gallery-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .factory-content,
    .contact-content,
    .oem-intro,
    .oem-content {
        grid-template-columns: 1fr;
        gap: 40px;
    }
    
    .oem-services {
        grid-template-columns: 1fr;
        gap: 30px;
    }
    
    .footer-content {
        grid-template-columns: 1fr;
        text-align: center;
    }
    
    .footer-links {
        grid-template-columns: repeat(3, 1fr);
    }
    
    .footer-logo {
        margin-bottom: 30px;
    }
}

@media (max-width: 768px) {
    .hero-text h2 {
        font-size: 2.5rem;
    }
    
    .hero-text {
        padding: 30px;
    }
    
    .hero-buttons {
        flex-direction: column;
        align-items: center;
        gap: 15px;
    }
    
    .nav {
        flex-direction: column;
        align-items: center;
        gap: 15px;
    }
    
    .header .container {
        flex-direction: column;
    }
    
    .products-grid,
    .gallery-grid {
        grid-template-columns: 1fr;
    }
    
    .social-media {
        grid-template-columns: 1fr;
    }
    
    .contact-options {
        grid-template-columns: 1fr;
        gap: 20px;
    }
    
    .footer-links {
        grid-template-columns: 1fr;
        text-align: center;
    }
}

@media (max-width: 576px) {
    .section {
        padding: 60px 0;
    }
    
    h1 {
        font-size: 2rem;
    }
    
    h2 {
        font-size: 1.8rem;
    }
    
    .hero-content h2 {
        font-size: 2rem;
    }
    
    .gallery-grid {
        grid-template-columns: 1fr;
    }
}