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

body {
    font-family: Arial, sans-serif;
    line-height: 1.6;
    color: #333;
}

.container {
    width: 90%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 20px 0;
}

/* Whatsapp实时营销按钮 */
.whatsapp-btn {
    position: fixed;
    bottom: 30px;
    right: 30px;
    z-index: 1000;
}

.whatsapp-btn a {
    display: flex;
    align-items: center;
    background: #25D366;
    color: white;
    padding: 15px 20px;
    border-radius: 50px;
    text-decoration: none;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.2);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.whatsapp-btn a:hover {
    transform: translateY(-5px);
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.3);
}

.whatsapp-btn img {
    width: 30px;
    height: 30px;
    margin-right: 10px;
}

/* Banner */
.banner {
    background: linear-gradient(rgba(0, 0, 0, 0.7), rgba(0, 0, 0, 0.7)), url('images/banner.jpg');
    background-size: cover;
    background-position: center;
    height: 80vh;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    text-align: center;
}

.banner-content h1 {
    font-size: 4rem;
    margin-bottom: 20px;
    text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.5);
}

.banner-content p {
    font-size: 1.5rem;
    margin-bottom: 30px;
    text-shadow: 1px 1px 2px rgba(0, 0, 0, 0.5);
}

.banner-buttons {
    display: flex;
    gap: 20px;
    justify-content: center;
}

.cta-button {
    display: inline-block;
    background: #ff6b35;
    color: white;
    padding: 15px 30px;
    text-decoration: none;
    border-radius: 5px;
    font-size: 1.2rem;
    transition: background 0.3s ease;
}

.cta-button:hover {
    background: #e55a2b;
}

.cta-button.secondary {
    background: #333;
}

.cta-button.secondary:hover {
    background: #555;
}

/* Navbar */
.navbar {
    background: white;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
    position: sticky;
    top: 0;
    z-index: 1000;
}

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

.logo a {
    font-size: 1.5rem;
    font-weight: bold;
    color: #333;
    text-decoration: none;
}

.nav-links {
    display: flex;
    list-style: none;
}

.nav-links li {
    margin-left: 20px;
}

.nav-links a {
    text-decoration: none;
    color: #333;
    font-weight: 500;
    transition: color 0.3s ease;
}

.nav-links a:hover {
    color: #ff6b35;
}

/* 通用section样式 */
.section-desc {
    text-align: center;
    font-size: 1.1rem;
    color: #666;
    margin-bottom: 40px;
    max-width: 800px;
    margin-left: auto;
    margin-right: auto;
}

/* Products Section */
.products-section {
    padding: 60px 0;
    background: #f9f9f9;
}

.products-section h2 {
    text-align: center;
    font-size: 2.5rem;
    margin-bottom: 20px;
    color: #333;
}

.product-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
}

.product-card {
    background: white;
    border-radius: 8px;
    overflow: hidden;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    cursor: pointer;
}

.product-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.15);
}

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

.product-image img {
    width: 100%;
    height: 250px;
    object-fit: cover;
    transition: transform 0.3s ease;
}

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

.zoom-icon {
    position: absolute;
    top: 15px;
    right: 15px;
    width: 40px;
    height: 40px;
    background: rgba(255, 107, 53, 0.8);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    color: white;
    opacity: 0;
    transition: opacity 0.3s ease, transform 0.3s ease;
}

.product-card:hover .zoom-icon {
    opacity: 1;
    transform: scale(1.1);
}

.product-card h3 {
    padding: 20px;
    font-size: 1.3rem;
    color: #333;
}

.product-card p {
    padding: 0 20px 20px;
    color: #666;
}

/* Whatsapp Section */
.whatsapp-section {
    margin-top: 40px;
    text-align: center;
}

.whatsapp-link {
    display: inline-flex;
    align-items: center;
    background: #25D366;
    color: white;
    padding: 15px 30px;
    border-radius: 50px;
    text-decoration: none;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.2);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.whatsapp-link:hover {
    transform: translateY(-3px);
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.3);
}

.whatsapp-link img {
    width: 25px;
    height: 25px;
    margin-right: 10px;
}

/* Factory Section */
.factory-section {
    padding: 60px 0;
    background: white;
}

.factory-section h2 {
    text-align: center;
    font-size: 2.5rem;
    margin-bottom: 20px;
    color: #333;
}

/* 滚动式工厂展示 */
.factory-scroll-container {
    margin-bottom: 60px;
    overflow: hidden;
}

.factory-scroll {
    display: flex;
    gap: 20px;
    animation: scroll 30s linear infinite;
}

.factory-scroll:hover {
    animation-play-state: paused;
}

@keyframes scroll {
    0% {
        transform: translateX(0);
    }
    100% {
        transform: translateX(-50%);
    }
}

.factory-item {
    flex: 0 0 350px;
    border-radius: 8px;
    overflow: hidden;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
    cursor: pointer;
    transition: transform 0.3s ease;
}

.factory-item:hover {
    transform: translateY(-5px);
}

.factory-image {
    position: relative;
    overflow: hidden;
}

.factory-image img {
    width: 100%;
    height: 250px;
    object-fit: cover;
    transition: transform 0.3s ease;
}

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

.factory-item:hover .zoom-icon {
    opacity: 1;
    transform: scale(1.1);
}

.factory-item h3 {
    padding: 20px;
    font-size: 1.3rem;
    color: #333;
}

.factory-item p {
    padding: 0 20px 20px;
    color: #666;
}

/* Video Section */
.video-section {
    text-align: center;
    margin-top: 40px;
}

.video-section h3 {
    font-size: 1.8rem;
    margin-bottom: 30px;
    color: #333;
}

.video-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
}

.video-item {
    cursor: pointer;
}

.video-thumbnail {
    position: relative;
    border-radius: 8px;
    overflow: hidden;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
}

.video-thumbnail img {
    width: 100%;
    height: 200px;
    object-fit: cover;
}

.play-button {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 60px;
    height: 60px;
    background: rgba(255, 107, 53, 0.8);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    color: white;
    transition: transform 0.3s ease, background 0.3s ease;
}

.video-thumbnail:hover .play-button {
    transform: translate(-50%, -50%) scale(1.1);
    background: rgba(255, 107, 53, 1);
}

.video-item p {
    margin-top: 15px;
    color: #666;
    font-weight: 500;
}

/* About Section */
.about-section {
    padding: 60px 0;
    background: #f9f9f9;
}

.about-section h2 {
    text-align: center;
    font-size: 2.5rem;
    margin-bottom: 40px;
    color: #333;
}

.about-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 40px;
    align-items: center;
}

.about-text {
    text-align: left;
}

.about-text p {
    margin-bottom: 20px;
    color: #666;
}

.about-text h3 {
    margin: 20px 0 15px;
    color: #333;
    font-size: 1.5rem;
}

.about-text ul {
    list-style: none;
    padding-left: 0;
}

.about-text ul li {
    margin-bottom: 10px;
    color: #666;
    position: relative;
    padding-left: 25px;
}

.about-text ul li:before {
    content: "✓";
    position: absolute;
    left: 0;
    color: #ff6b35;
    font-weight: bold;
}

.about-image img {
    width: 100%;
    height: 400px;
    object-fit: cover;
    border-radius: 8px;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
}

/* Custom Section */
.custom-section {
    padding: 60px 0;
    background: white;
}

.custom-section h2 {
    text-align: center;
    font-size: 2.5rem;
    margin-bottom: 20px;
    color: #333;
}

.custom-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 40px;
    align-items: center;
    margin-bottom: 40px;
}

.custom-features h3 {
    font-size: 1.5rem;
    margin-bottom: 20px;
    color: #333;
}

.custom-features ul {
    list-style: none;
    padding-left: 0;
}

.custom-features ul li {
    margin-bottom: 15px;
    color: #666;
    position: relative;
    padding-left: 30px;
}

.custom-features ul li:before {
    content: "✓";
    position: absolute;
    left: 0;
    color: #ff6b35;
    font-weight: bold;
    font-size: 1.2rem;
}

.custom-image img {
    width: 100%;
    height: 350px;
    object-fit: cover;
    border-radius: 8px;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
}

/* Contact Section */
.contact-section {
    padding: 60px 0;
    background: #f9f9f9;
}

.contact-section h2 {
    text-align: center;
    font-size: 2.5rem;
    margin-bottom: 40px;
    color: #333;
}

.contact-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 40px;
}

.contact-info {
    background: white;
    padding: 30px;
    border-radius: 8px;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
}

.contact-info p {
    margin-bottom: 15px;
    color: #666;
    font-size: 1.1rem;
}

.contact-info strong {
    color: #333;
}

.contact-form {
    background: white;
    padding: 30px;
    border-radius: 8px;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
}

.contact-form h3 {
    margin-bottom: 20px;
    color: #333;
    font-size: 1.3rem;
}

.form-group {
    margin-bottom: 20px;
}

.form-group label {
    display: block;
    margin-bottom: 5px;
    color: #333;
    font-weight: 500;
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 10px;
    border: 1px solid #ddd;
    border-radius: 4px;
    font-size: 1rem;
}

.form-group textarea {
    height: 120px;
    resize: vertical;
}

.submit-button {
    background: #ff6b35;
    color: white;
    border: none;
    padding: 12px 30px;
    border-radius: 4px;
    font-size: 1rem;
    cursor: pointer;
    transition: background 0.3s ease;
}

.submit-button:hover {
    background: #e55a2b;
}

/* 模态框通用样式 */
.modal {
    display: none;
    position: fixed;
    z-index: 2000;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    overflow: auto;
    background-color: rgba(0, 0, 0, 0.9);
}

.modal-content {
    position: relative;
    background-color: #fefefe;
    margin: 10% auto;
    padding: 20px;
    border: 1px solid #888;
    width: 80%;
    max-width: 900px;
    border-radius: 8px;
}

.close {
    position: absolute;
    top: 10px;
    right: 20px;
    color: #aaa;
    float: right;
    font-size: 28px;
    font-weight: bold;
    cursor: pointer;
    z-index: 10;
}

.close:hover,
.close:focus {
    color: black;
    text-decoration: none;
    cursor: pointer;
}

/* 视频模态框 */
.video-wrapper {
    text-align: center;
}

/* 图片模态框 */
.image-wrapper {
    text-align: center;
}

.image-wrapper img {
    max-width: 100%;
    max-height: 70vh;
    object-fit: contain;
    border-radius: 4px;
}

/* Footer */
.footer {
    background: #333;
    color: white;
    padding: 40px 0;
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 30px;
    margin-bottom: 30px;
}

.footer-section h3 {
    margin-bottom: 20px;
    font-size: 1.3rem;
}

.footer-section p {
    margin-bottom: 10px;
    color: #ccc;
}

.footer-section ul {
    list-style: none;
    padding-left: 0;
}

.footer-section ul li {
    margin-bottom: 10px;
}

.footer-section ul li a {
    color: #ccc;
    text-decoration: none;
    transition: color 0.3s ease;
}

.footer-section ul li a:hover {
    color: #ff6b35;
}

.footer-bottom {
    border-top: 1px solid #555;
    padding-top: 20px;
    text-align: center;
    color: #ccc;
}

/* Responsive Design */
@media (max-width: 768px) {
    .banner-content h1 {
        font-size: 2.5rem;
    }
    
    .banner-content p {
        font-size: 1.2rem;
    }
    
    .banner-buttons {
        flex-direction: column;
        align-items: center;
        gap: 15px;
    }
    
    .navbar .container {
        flex-direction: column;
        padding: 10px 0;
    }
    
    .nav-links {
        margin-top: 15px;
        flex-wrap: wrap;
        justify-content: center;
    }
    
    .nav-links li {
        margin: 0 10px;
    }
    
    .products-section h2,
    .factory-section h2,
    .about-section h2,
    .custom-section h2,
    .contact-section h2 {
        font-size: 2rem;
    }
    
    .about-content,
    .custom-content,
    .contact-content {
        grid-template-columns: 1fr;
    }
    
    .factory-grid {
        grid-template-columns: 1fr;
    }
    
    .video-thumbnail img {
        height: 250px;
    }
    
    .modal-content {
        width: 95%;
        margin: 20% auto;
    }
    
    .video-wrapper iframe {
        width: 100%;
        height: 300px;
    }
}