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

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Noto Sans SC', sans-serif;
    line-height: 1.6;
    color: #333;
    overflow-x: hidden;
}

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

/* 导航栏样式 */
.navbar {
    position: fixed;
    top: 0;
    width: 100%;
    background: rgba(44, 62, 80, 0.95);
    backdrop-filter: blur(10px);
    z-index: 1000;
    transition: all 0.3s ease;
}

.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 70px;
}

.nav-logo h2 {
    color: #E67E22;
    font-size: 1.8rem;
    font-weight: 700;
    margin-bottom: -5px;
}

.nav-logo span {
    color: #ECF0F1;
    font-size: 0.8rem;
    letter-spacing: 2px;
    opacity: 0.8;
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: 2rem;
}

.nav-link {
    color: #ECF0F1;
    text-decoration: none;
    font-weight: 500;
    transition: all 0.3s ease;
    position: relative;
}

.nav-link:hover,
.nav-link.active {
    color: #E67E22;
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 0;
    height: 2px;
    background: #E67E22;
    transition: width 0.3s ease;
}

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

.hamburger {
    display: none;
    flex-direction: column;
    cursor: pointer;
}

.bar {
    width: 25px;
    height: 3px;
    background: #ECF0F1;
    margin: 3px 0;
    transition: 0.3s;
}

/* 主视觉区样式 */
.hero {
    height: 100vh;
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
}

.hero-background {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: -2;
}

.hero-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, rgba(44, 62, 80, 0.8), rgba(52, 73, 94, 0.6));
    z-index: -1;
}

.hero-slider {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
}

.slide {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-size: cover;
    background-position: center;
    opacity: 0;
    transition: opacity 2s ease-in-out;
}

.slide.active {
    opacity: 1;
}

.hero-content {
    text-align: center;
    color: #ECF0F1;
    max-width: 800px;
    padding: 0 20px;
    animation: fadeInUp 1s ease-out;
}

.hero-title {
    margin-bottom: 2rem;
}

.title-main {
    display: block;
    font-size: 3.5rem;
    font-weight: 900;
    margin-bottom: 1rem;
    background: linear-gradient(135deg, #E67E22, #F39C12);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.title-sub {
    display: block;
    font-size: 1.5rem;
    font-weight: 300;
    letter-spacing: 3px;
    opacity: 0.9;
}

.hero-description {
    font-size: 1.2rem;
    margin-bottom: 3rem;
    opacity: 0.9;
    line-height: 1.8;
}

.hero-buttons {
    display: flex;
    gap: 1rem;
    justify-content: center;
    margin-bottom: 4rem;
}

.btn {
    padding: 15px 30px;
    border: none;
    border-radius: 50px;
    font-size: 1rem;
    font-weight: 600;
    text-decoration: none;
    transition: all 0.3s ease;
    cursor: pointer;
    display: inline-block;
}

.btn-primary {
    background: linear-gradient(135deg, #E67E22, #F39C12);
    color: white;
    box-shadow: 0 4px 15px rgba(230, 126, 34, 0.4);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(230, 126, 34, 0.6);
}

.btn-secondary {
    background: transparent;
    color: #ECF0F1;
    border: 2px solid #ECF0F1;
}

.btn-secondary:hover {
    background: #ECF0F1;
    color: #2C3E50;
    transform: translateY(-2px);
}

.hero-stats {
    display: flex;
    justify-content: center;
    gap: 4rem;
}

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

.stat-number {
    font-size: 2.5rem;
    font-weight: 900;
    color: #E67E22;
    margin-bottom: 0.5rem;
}

.stat-label {
    font-size: 1rem;
    opacity: 0.8;
}

.scroll-indicator {
    position: absolute;
    bottom: 30px;
    left: 50%;
    transform: translateX(-50%);
    animation: bounce 2s infinite;
}

.scroll-arrow {
    width: 30px;
    height: 30px;
    border-right: 2px solid #E67E22;
    border-bottom: 2px solid #E67E22;
    transform: rotate(45deg);
}

/* 关于我们样式 */
.about {
    padding: 100px 0;
    background: #f8f9fa;
}

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

.section-title {
    font-size: 2.5rem;
    font-weight: 700;
    color: #2C3E50;
    margin-bottom: 1rem;
    position: relative;
}

.section-title::after {
    content: '';
    position: absolute;
    bottom: -10px;
    left: 50%;
    transform: translateX(-50%);
    width: 60px;
    height: 4px;
    background: linear-gradient(135deg, #E67E22, #F39C12);
    border-radius: 2px;
}

.section-subtitle {
    font-size: 1.2rem;
    color: #7f8c8d;
    max-width: 600px;
    margin: 0 auto;
}

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

.about-intro h3 {
    font-size: 1.8rem;
    color: #2C3E50;
    margin-bottom: 1.5rem;
}

.about-intro p {
    margin-bottom: 1.5rem;
    color: #555;
    line-height: 1.8;
}

.about-features {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 2rem;
    margin-top: 3rem;
}

.feature-item {
    display: flex;
    align-items: flex-start;
    gap: 1rem;
}

.feature-icon {
    width: 50px;
    height: 50px;
    background: linear-gradient(135deg, #E67E22, #F39C12);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 1.2rem;
    flex-shrink: 0;
}

.feature-content h4 {
    color: #2C3E50;
    margin-bottom: 0.5rem;
    font-weight: 600;
}

.feature-content p {
    color: #666;
    font-size: 0.9rem;
}

.about-image {
    position: relative;
    border-radius: 20px;
    overflow: hidden;
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.1);
}

.about-image img {
    width: 100%;
    height: 400px;
    object-fit: cover;
    transition: transform 0.3s ease;
}

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

/* 业务范围样式 */
.business {
    padding: 100px 0;
    background: #2C3E50;
    color: #ECF0F1;
}

.business .section-title {
    color: #ECF0F1;
}

.business .section-subtitle {
    color: #BDC3C7;
}

.business-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 2rem;
}

.business-card {
    background: rgba(52, 73, 94, 0.8);
    border-radius: 20px;
    padding: 2rem;
    transition: all 0.3s ease;
    border: 1px solid rgba(230, 126, 34, 0.2);
}

.business-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.3);
    border-color: #E67E22;
}

.card-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1.5rem;
}

.card-header h3 {
    font-size: 1.5rem;
    font-weight: 600;
    color: #E67E22;
}

.card-icon {
    width: 50px;
    height: 50px;
    background: linear-gradient(135deg, #E67E22, #F39C12);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.2rem;
    color: white;
}

.card-content p {
    margin-bottom: 1.5rem;
    line-height: 1.6;
    opacity: 0.9;
}

.card-images {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 0.5rem;
}

.card-images img {
    width: 100%;
    height: 80px;
    object-fit: cover;
    border-radius: 8px;
    transition: transform 0.3s ease;
}

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

/* 产品与服务样式 */
.products {
    padding: 100px 0;
    background: #f8f9fa;
}

.products-content {
    max-width: 1400px;
    margin: 0 auto;
}

.products-grid {
    margin-bottom: 80px;
}

.product-category {
    margin-bottom: 60px;
}

.product-category h3 {
    font-size: 2rem;
    color: #2C3E50;
    margin-bottom: 2rem;
    text-align: center;
    position: relative;
}

.product-category h3::after {
    content: '';
    position: absolute;
    bottom: -10px;
    left: 50%;
    transform: translateX(-50%);
    width: 40px;
    height: 3px;
    background: #E67E22;
    border-radius: 2px;
}

.product-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
    gap: 1.5rem;
}

.product-item {
    background: white;
    border-radius: 15px;
    padding: 1.5rem;
    text-align: center;
    transition: all 0.3s ease;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.08);
}

.product-item:hover {
    transform: translateY(-5px);
    box-shadow: 0 15px 30px rgba(0, 0, 0, 0.15);
}

.product-item img {
    width: 100%;
    height: 120px;
    object-fit: cover;
    border-radius: 10px;
    margin-bottom: 1rem;
}

.product-item h4 {
    color: #2C3E50;
    margin-bottom: 0.5rem;
    font-weight: 600;
}

.product-item p {
    color: #666;
    font-size: 0.9rem;
}

.services-section {
    background: white;
    border-radius: 20px;
    padding: 3rem;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
}

.services-section h3 {
    font-size: 2rem;
    color: #2C3E50;
    margin-bottom: 2rem;
    text-align: center;
    position: relative;
}

.services-section h3::after {
    content: '';
    position: absolute;
    bottom: -10px;
    left: 50%;
    transform: translateX(-50%);
    width: 40px;
    height: 3px;
    background: #E67E22;
    border-radius: 2px;
}

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

.service-item {
    display: flex;
    gap: 1.5rem;
    align-items: center;
    padding: 1.5rem;
    border-radius: 15px;
    transition: all 0.3s ease;
    border: 1px solid #e9ecef;
}

.service-item:hover {
    background: #f8f9fa;
    transform: translateY(-3px);
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.1);
}

.service-item img {
    width: 100px;
    height: 80px;
    object-fit: cover;
    border-radius: 10px;
    flex-shrink: 0;
}

.service-content h4 {
    color: #2C3E50;
    margin-bottom: 0.5rem;
    font-weight: 600;
}

.service-content p {
    color: #666;
    line-height: 1.6;
}

/* 新闻动态样式 */
.news {
    padding: 100px 0;
    background: #2C3E50;
    color: #ECF0F1;
}

.news .section-title {
    color: #ECF0F1;
}

.news .section-subtitle {
    color: #BDC3C7;
}

.news-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 2rem;
}

.news-item {
    background: rgba(52, 73, 94, 0.8);
    border-radius: 20px;
    overflow: hidden;
    transition: all 0.3s ease;
    border: 1px solid rgba(230, 126, 34, 0.2);
}

.news-item:hover {
    transform: translateY(-10px);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.3);
    border-color: #E67E22;
}

.news-image {
    height: 200px;
    overflow: hidden;
}

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

.news-item:hover .news-image img {
    transform: scale(1.1);
}

.news-content {
    padding: 1.5rem;
}

.news-meta {
    display: flex;
    gap: 1rem;
    margin-bottom: 1rem;
}

.news-date {
    color: #E67E22;
    font-size: 0.9rem;
}

.news-category {
    background: rgba(230, 126, 34, 0.2);
    color: #E67E22;
    padding: 0.2rem 0.8rem;
    border-radius: 15px;
    font-size: 0.8rem;
}

.news-content h3 {
    color: #ECF0F1;
    margin-bottom: 1rem;
    font-weight: 600;
    line-height: 1.4;
}

.news-content p {
    color: #BDC3C7;
    margin-bottom: 1rem;
    line-height: 1.6;
}

.read-more {
    color: #E67E22;
    text-decoration: none;
    font-weight: 600;
    transition: all 0.3s ease;
}

.read-more:hover {
    color: #F39C12;
}

/* 联系我们样式 */
.contact {
    padding: 100px 0;
    background: #f8f9fa;
}

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

.contact-info {
    display: flex;
    flex-direction: column;
    gap: 2rem;
}

.contact-item {
    display: flex;
    align-items: flex-start;
    gap: 1.5rem;
    padding: 1.5rem;
    background: white;
    border-radius: 15px;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.08);
    transition: all 0.3s ease;
}

.contact-item:hover {
    transform: translateY(-5px);
    box-shadow: 0 15px 30px rgba(0, 0, 0, 0.15);
}

.contact-icon {
    width: 50px;
    height: 50px;
    background: linear-gradient(135deg, #E67E22, #F39C12);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 1.2rem;
    flex-shrink: 0;
}

.contact-details h4 {
    color: #2C3E50;
    margin-bottom: 0.5rem;
    font-weight: 600;
}

.contact-details p {
    color: #666;
    line-height: 1.6;
}

.contact-form {
    background: white;
    padding: 2.5rem;
    border-radius: 20px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
}

.contact-form h3 {
    color: #2C3E50;
    margin-bottom: 2rem;
    font-size: 1.8rem;
    text-align: center;
}

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

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 15px;
    border: 2px solid #e9ecef;
    border-radius: 10px;
    font-size: 1rem;
    transition: all 0.3s ease;
    font-family: inherit;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: #E67E22;
    box-shadow: 0 0 0 3px rgba(230, 126, 34, 0.1);
}

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

/* 底部样式 */
.footer {
    background: #2C3E50;
    color: #ECF0F1;
    padding: 60px 0 20px;
}

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

.footer-section h3 {
    color: #E67E22;
    margin-bottom: 1rem;
    font-size: 1.3rem;
}

.footer-section h4 {
    color: #ECF0F1;
    margin-bottom: 1rem;
    font-size: 1.1rem;
}

.footer-section p {
    color: #BDC3C7;
    line-height: 1.6;
    margin-bottom: 1rem;
}

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

.footer-section ul li {
    margin-bottom: 0.5rem;
}

.footer-section ul li a {
    color: #BDC3C7;
    text-decoration: none;
    transition: color 0.3s ease;
}

.footer-section ul li a:hover {
    color: #E67E22;
}

.footer-section ul li i {
    margin-right: 0.5rem;
    color: #E67E22;
}

.footer-social {
    display: flex;
    gap: 1rem;
    margin-top: 1rem;
}

.footer-social a {
    width: 40px;
    height: 40px;
    background: rgba(230, 126, 34, 0.2);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #E67E22;
    text-decoration: none;
    transition: all 0.3s ease;
}

.footer-social a:hover {
    background: #E67E22;
    color: white;
    transform: translateY(-2px);
}

.footer-bottom {
    border-top: 1px solid rgba(236, 240, 241, 0.1);
    padding-top: 2rem;
    text-align: center;
}

.footer-bottom p {
    color: #BDC3C7;
    font-size: 0.9rem;
}

/* 动画效果 */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes bounce {
    0%, 20%, 50%, 80%, 100% {
        transform: translateX(-50%) translateY(0);
    }
    40% {
        transform: translateX(-50%) translateY(-10px);
    }
    60% {
        transform: translateX(-50%) translateY(-5px);
    }
}

/* 响应式设计 */
@media (max-width: 768px) {
    .hamburger {
        display: flex;
    }
    
    .nav-menu {
        position: fixed;
        left: -100%;
        top: 70px;
        flex-direction: column;
        background: rgba(44, 62, 80, 0.95);
        width: 100%;
        text-align: center;
        transition: 0.3s;
        box-shadow: 0 10px 27px rgba(0, 0, 0, 0.05);
        padding: 2rem 0;
    }
    
    .nav-menu.active {
        left: 0;
    }
    
    .title-main {
        font-size: 2.5rem;
    }
    
    .title-sub {
        font-size: 1.2rem;
    }
    
    .hero-buttons {
        flex-direction: column;
        align-items: center;
    }
    
    .hero-stats {
        flex-direction: column;
        gap: 2rem;
    }
    
    .about-content {
        grid-template-columns: 1fr;
        gap: 3rem;
    }
    
    .about-features {
        grid-template-columns: 1fr;
    }
    
    .business-grid {
        grid-template-columns: 1fr;
    }
    
    .product-grid {
        grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
    }
    
    .services-grid {
        grid-template-columns: 1fr;
    }
    
    .service-item {
        flex-direction: column;
        text-align: center;
    }
    
    .news-grid {
        grid-template-columns: 1fr;
    }
    
    .contact-content {
        grid-template-columns: 1fr;
        gap: 3rem;
    }
    
    .footer-content {
        grid-template-columns: 1fr;
        text-align: center;
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 15px;
    }
    
    .title-main {
        font-size: 2rem;
    }
    
    .section-title {
        font-size: 2rem;
    }
    
    .product-grid {
        grid-template-columns: 1fr;
    }
    
    .card-images {
        grid-template-columns: 1fr;
    }
    
    .card-images img {
        height: 120px;
    }
}


/* 下拉菜单样式 */
.dropdown {
    position: relative;
}

.dropdown-content {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    background: rgba(44, 62, 80, 0.98);
    backdrop-filter: blur(15px);
    min-width: 250px;
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.3);
    border-radius: 8px;
    padding: 15px 0;
    z-index: 1001;
    border: 1px solid rgba(255, 255, 255, 0.1);
}

.dropdown:hover .dropdown-content,
.dropdown.active .dropdown-content {
    display: block;
    animation: fadeInDown 0.3s ease;
}

@keyframes fadeInDown {
    from {
        opacity: 0;
        transform: translateY(-10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.dropdown-content a {
    color: #ECF0F1;
    padding: 10px 20px;
    text-decoration: none;
    display: block;
    transition: all 0.3s ease;
    font-size: 0.9rem;
    border-left: 3px solid transparent;
}

.dropdown-content a:hover {
    background: rgba(231, 126, 34, 0.1);
    color: #E67E22;
    border-left-color: #E67E22;
    padding-left: 25px;
}

.dropdown-section {
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
    margin-bottom: 10px;
    padding-bottom: 10px;
}

.dropdown-section:last-child {
    border-bottom: none;
    margin-bottom: 0;
    padding-bottom: 0;
}

.dropdown-section h4 {
    color: #E67E22;
    font-size: 0.8rem;
    font-weight: 600;
    padding: 5px 20px;
    margin-bottom: 5px;
    text-transform: uppercase;
    letter-spacing: 1px;
}

/* 产品与服务下拉菜单特殊样式 */
.dropdown:nth-child(4) .dropdown-content {
    min-width: 350px;
    grid-template-columns: 1fr;
    gap: 0;
}

.dropdown:nth-child(4):hover .dropdown-content,
.dropdown:nth-child(4).active .dropdown-content {
    display: grid;
}

/* 页面内容样式 */
.page-hero {
    height: 400px;
    background-size: cover;
    background-position: center;
    background-attachment: fixed;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    margin-top: 70px;
}

.page-hero-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.6);
}

.page-hero-content {
    text-align: center;
    color: white;
    z-index: 2;
    position: relative;
}

.page-hero-content h1 {
    font-size: 3rem;
    font-weight: 700;
    margin-bottom: 1rem;
    text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.5);
}

.page-hero-content p {
    font-size: 1.2rem;
    opacity: 0.9;
}

.page-content {
    padding: 80px 0;
    background: #f8f9fa;
}

.page-content .container {
    max-width: 1000px;
}

.page-content h2 {
    color: #2c3e50;
    font-size: 2.5rem;
    margin-bottom: 2rem;
    text-align: center;
}

.page-content h3 {
    color: #E67E22;
    font-size: 1.8rem;
    margin: 2rem 0 1rem 0;
}

.page-content p {
    font-size: 1.1rem;
    line-height: 1.8;
    margin-bottom: 1.5rem;
    color: #555;
}

.page-content ul {
    margin: 1.5rem 0;
    padding-left: 2rem;
}

.page-content li {
    margin-bottom: 0.8rem;
    font-size: 1.1rem;
    color: #555;
}

.image-gallery {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 20px;
    margin: 2rem 0;
}

.image-gallery img {
    width: 100%;
    height: 200px;
    object-fit: cover;
    border-radius: 8px;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
    transition: transform 0.3s ease;
}

.image-gallery img:hover {
    transform: translateY(-5px);
}

/* 产品详情页样式 */
.product-detail {
    display: grid;
    grid-template-columns: 1fr 2fr;
    gap: 3rem;
    align-items: start;
}

.product-image img {
    width: 100%;
    height: 300px;
    object-fit: cover;
    border-radius: 12px;
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.15);
}

.product-info h2 {
    color: #2c3e50;
    font-size: 2rem;
    margin-bottom: 1.5rem;
    text-align: left;
}

/* 新闻文章样式 */
.news-article {
    background: white;
    border-radius: 12px;
    padding: 2rem;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.1);
}

.news-meta {
    display: flex;
    gap: 1rem;
    margin-bottom: 1.5rem;
    padding-bottom: 1rem;
    border-bottom: 1px solid #eee;
}

.news-date {
    color: #E67E22;
    font-weight: 600;
}

.news-category {
    background: #E67E22;
    color: white;
    padding: 4px 12px;
    border-radius: 20px;
    font-size: 0.9rem;
}

.news-image {
    margin: 2rem 0;
}

.news-image img {
    width: 100%;
    height: 300px;
    object-fit: cover;
    border-radius: 8px;
}

.news-content h3 {
    color: #2c3e50;
    font-size: 1.5rem;
    margin: 2rem 0 1rem 0;
}

/* 响应式设计 */
@media (max-width: 768px) {
    .dropdown-content {
        position: static;
        display: none;
        box-shadow: none;
        background: rgba(44, 62, 80, 0.95);
        border-radius: 0;
        margin-top: 10px;
    }
    
    .dropdown:hover .dropdown-content {
        display: block;
    }
    
    .product-detail {
        grid-template-columns: 1fr;
        gap: 2rem;
    }
    
    .page-hero-content h1 {
        font-size: 2rem;
    }
    
    .page-hero-content p {
        font-size: 1rem;
    }
    
    .dropdown:nth-child(4) .dropdown-content {
        min-width: 100%;
    }
}