/* FUNDÉCORS - 大功率厚膜电阻官网样式 */

/* 重置和基础样式 */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Roboto', 'Microsoft YaHei', Arial, sans-serif;
    line-height: 1.6;
    color: #333;
    background: linear-gradient(135deg, #87CEEB 0%, #B0E0E6 50%, #87CEFA 100%);
    min-height: 100vh;
}

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

/* 顶部导航 */
.header {
    background: linear-gradient(135deg, #4682B4 0%, #5F9EA0 100%);
    color: white;
    position: fixed;
    top: 0;
    width: 100%;
    z-index: 1000;
    box-shadow: 0 2px 10px rgba(0,0,0,0.1);
}

.navbar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem 0;
}

.logo h1 {
    font-size: 2rem;
    font-weight: 700;
    margin: 0;
    letter-spacing: 1px;
}

.logo .tagline {
    font-size: 0.9rem;
    opacity: 0.9;
    display: block;
    margin-top: -5px;
}

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

.nav-menu a {
    color: white;
    text-decoration: none;
    font-weight: 500;
    transition: all 0.3s ease;
    position: relative;
}

.nav-menu a:hover,
.nav-menu a.active {
    color: #ffd700;
}

.nav-menu a.active::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 100%;
    height: 2px;
    background-color: #ffd700;
}

.mobile-menu-toggle {
    display: none;
    font-size: 1.5rem;
    cursor: pointer;
}

/* 语言切换器 */
.language-switcher {
    display: flex;
    align-items: center;
    gap: 5px;
}

.lang-btn {
    background: rgba(255, 255, 255, 0.1);
    border: 1px solid rgba(255, 255, 255, 0.3);
    color: white;
    padding: 6px 12px;
    border-radius: 4px;
    font-size: 0.9rem;
    cursor: pointer;
    transition: all 0.3s ease;
    font-weight: 500;
}

.lang-btn:hover {
    background: rgba(255, 255, 255, 0.2);
    border-color: rgba(255, 255, 255, 0.5);
}

.lang-btn.active {
    background: rgba(255, 255, 255, 0.9);
    color: #4682B4;
    border-color: white;
}

/* 主轮播区域 */
.hero {
    margin-top: 80px;
    position: relative;
    height: 600px;
    overflow: hidden;
}

.hero-slider {
    position: relative;
    height: 100%;
}

.slide {
    position: absolute;
    width: 100%;
    height: 100%;
    display: none;
}

.slide.active {
    display: block;
}

.hero-content {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    text-align: center;
    color: white;
    z-index: 2;
    max-width: 800px;
    padding: 0 20px;
}

.hero-content h2 {
    font-size: 3rem;
    font-weight: 700;
    margin-bottom: 1rem;
    text-shadow: 2px 2px 4px rgba(0,0,0,0.5);
}

.hero-content p {
    font-size: 1.2rem;
    margin-bottom: 2rem;
    opacity: 0.9;
    text-shadow: 1px 1px 2px rgba(0,0,0,0.5);
}

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

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

.hero-dots {
    position: absolute;
    bottom: 30px;
    left: 50%;
    transform: translateX(-50%);
    z-index: 3;
    display: flex;
    gap: 10px;
}

.dot {
    width: 12px;
    height: 12px;
    border-radius: 50%;
    background: rgba(255,255,255,0.5);
    cursor: pointer;
    transition: all 0.3s ease;
}

.dot.active {
    background: white;
    transform: scale(1.2);
}

/* 按钮样式 */
.btn {
    display: inline-block;
    padding: 12px 30px;
    text-decoration: none;
    border-radius: 5px;
    font-weight: 500;
    transition: all 0.3s ease;
    cursor: pointer;
    border: 2px solid transparent;
}

.btn-primary {
    background: linear-gradient(135deg, #ffd700, #ffed4e);
    color: #333;
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 5px 15px rgba(255,215,0,0.3);
}

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

.btn-secondary:hover {
    background: white;
    color: #333;
    transform: translateY(-2px);
}

.btn-outline {
    background: transparent;
    color: #667eea;
    border: 2px solid #667eea;
}

.btn-outline:hover {
    background: #667eea;
    color: white;
}

.btn-large {
    padding: 15px 40px;
    font-size: 1.1rem;
}

/* 板块样式 */
.features, .products-section, .applications, .advantages, .news {
    padding: 80px 0;
}

.section-header {
    text-align: center;
    margin-bottom: 60px;
}

.section-header h2 {
    font-size: 2.5rem;
    font-weight: 700;
    color: #333;
    margin-bottom: 1rem;
}

.section-header p {
    font-size: 1.1rem;
    color: #666;
    max-width: 600px;
    margin: 0 auto;
}

/* 产品特色卡片 */
.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 30px;
    margin-top: 40px;
}

.feature-card {
    background: white;
    padding: 40px 30px;
    border-radius: 15px;
    text-align: center;
    box-shadow: 0 5px 20px rgba(0,0,0,0.1);
    transition: all 0.3s ease;
}

.feature-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 15px 30px rgba(0,0,0,0.15);
}

.feature-icon {
    font-size: 3rem;
    color: #667eea;
    margin-bottom: 20px;
}

.feature-card h3 {
    font-size: 1.3rem;
    margin-bottom: 15px;
    color: #333;
}

.feature-card p {
    color: #666;
    line-height: 1.7;
}

/* 淘宝下单区域 */
.taobao-section {
    padding: 80px 0;
    background: rgba(255, 255, 255, 0.95);
}

.taobao-container {
    display: flex;
    align-items: center;
    gap: 60px;
    justify-content: center;
    flex-wrap: wrap;
}

.taobao-card {
    background: linear-gradient(135deg, #ff6b6b 0%, #ee5a6f 100%);
    color: white;
    padding: 40px;
    border-radius: 20px;
    text-align: center;
    box-shadow: 0 10px 30px rgba(255, 107, 107, 0.3);
    max-width: 350px;
    transform: translateY(0);
    transition: all 0.3s ease;
}

.taobao-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 15px 40px rgba(255, 107, 107, 0.4);
}

.taobao-icon {
    font-size: 4rem;
    margin-bottom: 20px;
    opacity: 0.9;
}

.taobao-card h3 {
    font-size: 1.8rem;
    margin-bottom: 15px;
}

.taobao-card p {
    font-size: 1.1rem;
    margin-bottom: 30px;
    opacity: 0.9;
}

.taobao-btn {
    background: white;
    color: #ff6b6b;
    border: none;
    padding: 15px 40px;
    font-size: 1.1rem;
    font-weight: 600;
    border-radius: 30px;
    cursor: pointer;
    transition: all 0.3s ease;
}

.taobao-btn:hover {
    transform: scale(1.05);
    box-shadow: 0 5px 20px rgba(255, 255, 255, 0.3);
}

.taobao-info {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.info-item {
    display: flex;
    align-items: center;
    gap: 15px;
    font-size: 1.1rem;
    color: #333;
    font-weight: 500;
}

.info-item i {
    color: #ff6b6b;
    font-size: 1.3rem;
}

/* 淘宝区域响应式 */
@media (max-width: 768px) {
    .taobao-container {
        flex-direction: column;
        gap: 40px;
        text-align: center;
    }
    
    .taobao-card {
        max-width: 100%;
        padding: 30px;
    }
    
    .taobao-info {
        align-items: center;
    }
    
    .language-switcher {
        margin-top: 20px;
    }
    
    .lang-btn {
        padding: 8px 16px;
        font-size: 0.8rem;
    }
}

/* 产品展示 */
.products-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 30px;
    margin-top: 40px;
}

.product-card {
    background: white;
    border-radius: 15px;
    overflow: hidden;
    box-shadow: 0 5px 20px rgba(0,0,0,0.1);
    transition: all 0.3s ease;
}

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

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

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

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

.product-info {
    padding: 30px;
}

.product-info h3 {
    font-size: 1.3rem;
    margin-bottom: 15px;
    color: #333;
}

.product-desc {
    color: #666;
    margin-bottom: 20px;
    line-height: 1.6;
}

.product-specs {
    list-style: none;
    margin-bottom: 25px;
}

.product-specs li {
    padding: 5px 0;
    color: #666;
    display: flex;
    align-items: center;
}

.product-specs i {
    color: #4caf50;
    margin-right: 8px;
}

/* 应用领域 */
.applications-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
    margin-top: 40px;
}

.application-item {
    background: white;
    padding: 30px;
    border-radius: 15px;
    text-align: center;
    box-shadow: 0 5px 20px rgba(0,0,0,0.1);
    transition: all 0.3s ease;
}

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

.application-icon {
    font-size: 2.5rem;
    color: #667eea;
    margin-bottom: 20px;
}

.application-item h3 {
    font-size: 1.2rem;
    margin-bottom: 15px;
    color: #333;
}

.application-item p {
    color: #666;
}

/* 公司优势 */
.advantages {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
}

.advantages .section-header h2,
.advantages .section-header p {
    color: white;
}

.advantages-content {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: 60px;
    align-items: center;
    margin-top: 40px;
}

.advantages-text h2 {
    font-size: 2.2rem;
    margin-bottom: 20px;
}

.advantages-text p {
    font-size: 1.1rem;
    margin-bottom: 40px;
    opacity: 0.9;
}

.advantages-list {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 20px;
}

.advantage-item {
    display: flex;
    align-items: flex-start;
    gap: 15px;
}

.advantage-item i {
    font-size: 1.5rem;
    color: #ffd700;
    margin-top: 5px;
}

.advantage-item h4 {
    font-size: 1.1rem;
    margin-bottom: 8px;
}

.advantage-item p {
    opacity: 0.9;
}

.advantages-image img {
    width: 100%;
    border-radius: 15px;
    box-shadow: 0 10px 30px rgba(0,0,0,0.3);
}

/* 新闻资讯 */
.news {
    background: white;
}

.news-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 30px;
    margin-top: 40px;
}

.news-card {
    background: #f8f9fa;
    padding: 30px;
    border-radius: 15px;
    border-left: 4px solid #667eea;
    transition: all 0.3s ease;
}

.news-card:hover {
    transform: translateY(-3px);
    box-shadow: 0 10px 20px rgba(0,0,0,0.1);
}

.news-date {
    color: #667eea;
    font-weight: 500;
    margin-bottom: 15px;
}

.news-card h3 {
    font-size: 1.2rem;
    margin-bottom: 15px;
    color: #333;
}

.news-card p {
    color: #666;
    margin-bottom: 20px;
    line-height: 1.6;
}

.read-more {
    color: #667eea;
    text-decoration: none;
    font-weight: 500;
    transition: color 0.3s ease;
}

.read-more:hover {
    color: #764ba2;
}

/* 页脚 */
.footer {
    background: linear-gradient(135deg, #2c3e50 0%, #34495e 100%);
    color: white;
    padding: 60px 0 20px;
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 40px;
    margin-bottom: 40px;
}

.footer-section h3 {
    font-size: 1.2rem;
    margin-bottom: 20px;
    color: #ffd700;
}

.footer-section p {
    opacity: 0.8;
    line-height: 1.6;
    margin-bottom: 20px;
}

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

.footer-section ul li {
    padding: 5px 0;
}

.footer-section a {
    color: white;
    text-decoration: none;
    opacity: 0.8;
    transition: all 0.3s ease;
}

.footer-section a:hover {
    opacity: 1;
    color: #ffd700;
}

.contact-info li {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-bottom: 10px;
}

.contact-info i {
    color: #ffd700;
    width: 20px;
}

.social-links {
    display: flex;
    gap: 15px;
}

.social-links a {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    background: rgba(255,255,255,0.1);
    border-radius: 50%;
    transition: all 0.3s ease;
}

.social-links a:hover {
    background: #ffd700;
    transform: translateY(-3px);
}

.footer-bottom {
    text-align: center;
    padding-top: 30px;
    border-top: 1px solid rgba(255,255,255,0.1);
    opacity: 0.6;
}

/* 工具类 */
.text-center {
    text-align: center;
}

/* 响应式设计 */
@media (max-width: 768px) {
    .nav-menu {
        display: none;
    }
    
    .mobile-menu-toggle {
        display: block;
    }
    
    .hero-content h2 {
        font-size: 2rem;
    }
    
    .hero-content p {
        font-size: 1rem;
    }
    
    .hero-buttons {
        flex-direction: column;
        gap: 10px;
    }
    
    .btn {
        width: 200px;
    }
    
    .section-header h2 {
        font-size: 2rem;
    }
    
    .features-grid,
    .applications-grid {
        grid-template-columns: 1fr;
    }
    
    .products-grid {
        grid-template-columns: 1fr;
    }
    
    .advantages-content {
        grid-template-columns: 1fr;
        gap: 40px;
    }
    
    .advantages-list {
        grid-template-columns: 1fr;
    }
    
    .news-grid {
        grid-template-columns: 1fr;
    }
    
    .footer-content {
        grid-template-columns: 1fr;
        text-align: center;
    }
    
    .social-links {
        justify-content: center;
    }
}

@media (max-width: 480px) {
    .hero {
        height: 500px;
    }
    
    .logo h1 {
        font-size: 1.5rem;
    }
    
    .hero-content {
        padding: 0 15px;
    }
    
    .feature-card,
    .product-info,
    .application-item,
    .news-card {
        padding: 20px;
    }
    
    .container {
        padding: 0 15px;
    }
}

/* 平滑滚动 */
html {
    scroll-behavior: smooth;
}

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

.feature-card,
.product-card,
.application-item,
.news-card {
    animation: fadeInUp 0.6s ease-out;
}