/* 客户评价区域样式 - 现代设计 */
.testimonials {
    padding: 6rem 0;
    background: linear-gradient(135deg, 
        var(--light-color) 0%, 
        rgba(37, 99, 235, 0.02) 50%,
        var(--white) 100%);
    position: relative;
    overflow: hidden;
}

.testimonials::before {
    content: '';
    position: absolute;
    top: -50%;
    right: -10%;
    width: 400px;
    height: 400px;
    background: radial-gradient(circle, rgba(37, 99, 235, 0.05) 0%, transparent 70%);
    border-radius: 50%;
    pointer-events: none;
}

.testimonial-slider {
    display: flex;
    overflow-x: auto;
    scroll-snap-type: x mandatory;
    scroll-behavior: smooth;
    -webkit-overflow-scrolling: touch;
    gap: var(--spacing-xl);
    padding: var(--spacing-lg) 0;
}

.testimonial-slider::-webkit-scrollbar {
    height: 6px;
}

.testimonial-slider::-webkit-scrollbar-track {
    background: var(--border-light);
    border-radius: 3px;
}

.testimonial-slider::-webkit-scrollbar-thumb {
    background: var(--primary-color);
    border-radius: 3px;
}

.testimonial-item {
    flex: 0 0 calc(33.333% - var(--spacing-lg));
    scroll-snap-align: start;
    background: var(--white);
    border-radius: var(--border-radius-lg);
    box-shadow: var(--shadow);
    padding: var(--spacing-2xl);
    transition: var(--transition);
    border: 1px solid var(--border-light);
    position: relative;
}

.testimonial-item::before {
    content: '\201c';
    position: absolute;
    top: -10px;
    left: var(--spacing-lg);
    font-size: 4rem;
    color: var(--primary-color);
    opacity: 0.2;
    line-height: 1;
}

.testimonial-item:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-lg);
}

.testimonial-content {
    margin-bottom: var(--spacing-xl);
    font-style: italic;
    line-height: 1.7;
    color: var(--text-color);
}

.testimonial-author {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
}

.testimonial-author img {
    width: 50px;
    height: 50px;
    border-radius: 50%;
    border: 2px solid var(--primary-color);
    padding: 2px;
}

.testimonial-author div h4 {
    font-size: var(--font-size-base);
    font-weight: var(--font-weight-semibold);
    margin: 0;
    color: var(--dark-color);
}

.testimonial-author div p {
    font-size: var(--font-size-sm);
    color: var(--text-light);
    margin: 0;
}

/* CTA区域样式 - 现代渐变设计 */
.cta {
    padding: 8rem 0;
    background: linear-gradient(135deg, 
        rgba(37, 99, 235, 0.95) 0%,
        rgba(29, 78, 216, 0.9) 25%,
        rgba(6, 182, 212, 0.85) 75%,
        rgba(16, 185, 129, 0.9) 100%
    ), url('https://images.unsplash.com/photo-1518709268805-4e9042af2176?ixlib=rb-4.0.3&auto=format&fit=crop&w=2125&q=80') no-repeat center center/cover;
    color: var(--white);
    text-align: center;
    position: relative;
    overflow: hidden;
}

.cta::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: 
        radial-gradient(circle at 30% 20%, rgba(255, 255, 255, 0.1) 0%, transparent 50%),
        radial-gradient(circle at 70% 80%, rgba(255, 255, 255, 0.08) 0%, transparent 50%);
    pointer-events: none;
}

.cta-content {
    max-width: 900px;
    margin: 0 auto;
    position: relative;
    z-index: 1;
}

.cta-content h2 {
    font-size: clamp(var(--font-size-3xl), 4vw, var(--font-size-4xl));
    font-weight: var(--font-weight-bold);
    margin-bottom: var(--spacing-lg);
    letter-spacing: -0.025em;
    text-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
}

.cta-content p {
    font-size: var(--font-size-lg);
    margin-bottom: var(--spacing-2xl);
    opacity: 0.95;
    font-weight: var(--font-weight-light);
    line-height: 1.6;
}

/* 页脚样式 - 现代渐变设计 */
footer {
    background: linear-gradient(135deg, 
        var(--dark-color) 0%,
        var(--dark-secondary) 50%,
        #0c1426 100%);
    color: var(--white);
    padding: 4rem 0 0;
    position: relative;
    overflow: hidden;
}

footer::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 1px;
    background: linear-gradient(90deg, 
        transparent 0%,
        rgba(37, 99, 235, 0.3) 25%,
        rgba(6, 182, 212, 0.3) 75%,
        transparent 100%);
}

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

.footer-logo h2 {
    background: linear-gradient(135deg, var(--primary-light), var(--accent-color));
    background-clip: text;
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    margin-bottom: var(--spacing-lg);
    font-size: var(--font-size-2xl);
    font-weight: var(--font-weight-bold);
}

.footer-logo p {
    color: rgba(255, 255, 255, 0.7);
    font-weight: var(--font-weight-light);
}

.footer-links h3,
.footer-contact h3,
.footer-social h3 {
    margin-bottom: var(--spacing-xl);
    color: var(--white);
    font-size: var(--font-size-lg);
    font-weight: var(--font-weight-semibold);
    position: relative;
}

.footer-links h3::after,
.footer-contact h3::after,
.footer-social h3::after {
    content: '';
    position: absolute;
    bottom: -8px;
    left: 0;
    width: 40px;
    height: 2px;
    background: linear-gradient(90deg, var(--primary-color), var(--accent-color));
    border-radius: 1px;
}

.footer-links ul li {
    margin-bottom: var(--spacing-sm);
}

.footer-links ul li a {
    color: rgba(255, 255, 255, 0.7);
    transition: var(--transition);
    font-weight: var(--font-weight-light);
}

.footer-links ul li a:hover {
    color: var(--white);
    padding-left: var(--spacing-xs);
}

.footer-contact p {
    margin-bottom: var(--spacing-sm);
    color: rgba(255, 255, 255, 0.7);
    display: flex;
    align-items: center;
    font-weight: var(--font-weight-light);
}

.footer-contact i {
    margin-right: var(--spacing-sm);
    color: var(--primary-light);
    width: 20px;
}

.social-icons {
    display: flex;
    gap: var(--spacing-md);
}

.social-icons a {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 44px;
    height: 44px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 50%;
    color: var(--white);
    transition: var(--transition);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.1);
}

.social-icons a:hover {
    background: linear-gradient(135deg, var(--primary-color), var(--accent-color));
    transform: translateY(-2px);
    box-shadow: 0 8px 16px rgba(37, 99, 235, 0.3);
}

.footer-bottom {
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    padding: var(--spacing-xl) 0;
    text-align: center;
    background: rgba(0, 0, 0, 0.2);
}

.footer-bottom p {
    color: rgba(255, 255, 255, 0.6);
    font-weight: var(--font-weight-light);
    margin: 0;
}

/* 页面头部样式 */
.page-header {
    background: linear-gradient(rgba(0, 0, 0, 0.6), rgba(0, 0, 0, 0.6)), linear-gradient(135deg, #2563eb, #06b6d4) no-repeat center center/cover;
    color: white;
    padding: 4rem 0;
    text-align: center;
}

.page-header h1 {
    font-size: 2.5rem;
    margin-bottom: 1rem;
}

/* 产品分类样式 */
.product-categories {
    padding: 5rem 0;
}

.category-filter {
    display: flex;
    justify-content: center;
    flex-wrap: wrap;
    margin-bottom: 3rem;
    gap: 1rem;
}

.category-btn {
    padding: 0.5rem 1.5rem;
    background-color: var(--light-color);
    border: none;
    border-radius: 4px;
    cursor: pointer;
    transition: var(--transition);
}

.category-btn.active,
.category-btn:hover {
    background-color: var(--primary-color);
    color: white;
}

/* 产品详情页样式 */
.breadcrumb {
    margin-bottom: 2rem;
    padding: 1rem 0;
    border-bottom: 1px solid var(--border-color);
}

.breadcrumb a {
    color: var(--text-light);
}

.breadcrumb span {
    color: var(--text-color);
}

.product-detail {
    padding: 3rem 0;
}

.product-detail-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 3rem;
    margin-bottom: 3rem;
}

.product-detail-gallery {
    position: relative;
}

.main-image {
    margin-bottom: 1rem;
    border-radius: 8px;
    overflow: hidden;
}

.thumbnail-images {
    display: flex;
    gap: 0.5rem;
}

.thumbnail {
    width: 80px;
    height: 60px;
    object-fit: cover;
    border-radius: 4px;
    cursor: pointer;
    opacity: 0.6;
    transition: var(--transition);
}

.thumbnail.active,
.thumbnail:hover {
    opacity: 1;
}

.product-category {
    display: inline-block;
    background-color: var(--light-color);
    padding: 0.25rem 0.75rem;
    border-radius: 4px;
    margin-bottom: 1rem;
    font-size: 0.875rem;
}

.product-description {
    margin-bottom: 2rem;
}

.product-features {
    margin-bottom: 2rem;
}

.product-features ul {
    list-style: disc;
    padding-left: 1.5rem;
}

.product-features li {
    margin-bottom: 0.5rem;
}

.product-specs {
    margin-bottom: 2rem;
}

.product-specs table {
    width: 100%;
    border-collapse: collapse;
}

.product-specs td {
    padding: 0.5rem;
    border-bottom: 1px solid var(--border-color);
}

.product-specs td:first-child {
    font-weight: 500;
    width: 40%;
}

.product-actions {
    display: flex;
    gap: 1rem;
}

.product-detail-tabs {
    margin-bottom: 3rem;
}

.tabs {
    display: flex;
    border-bottom: 1px solid var(--border-color);
    margin-bottom: 2rem;
}

.tab-btn {
    padding: 1rem 2rem;
    background: none;
    border: none;
    cursor: pointer;
    font-weight: 500;
    color: var(--text-light);
    transition: var(--transition);
    border-bottom: 2px solid transparent;
}

.tab-btn.active,
.tab-btn:hover {
    color: var(--primary-color);
    border-bottom-color: var(--primary-color);
}

.tab-content {
    display: none;
}

.tab-content.active {
    display: block;
}

.parameters-table {
    width: 100%;
    border-collapse: collapse;
}

.parameters-table th,
.parameters-table td {
    padding: 0.75rem;
    text-align: left;
    border-bottom: 1px solid var(--border-color);
}

.parameters-table th {
    background-color: var(--light-color);
    font-weight: 500;
}

.review-item {
    background-color: var(--light-color);
    border-radius: 8px;
    padding: 1.5rem;
    margin-bottom: 1.5rem;
}

.review-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1rem;
}

.review-rating {
    color: #ffc107;
}

.review-date {
    color: var(--text-light);
    font-size: 0.875rem;
}

/* 联系我们页面样式 */
.contact-info {
    padding: 5rem 0;
    background-color: var(--light-color);
}

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

.contact-card {
    background-color: white;
    border-radius: 8px;
    padding: 2rem;
    text-align: center;
    box-shadow: var(--shadow);
}

.contact-icon {
    font-size: 2.5rem;
    color: var(--primary-color);
    margin-bottom: 1.5rem;
}

.contact-form-section {
    padding: 5rem 0;
}

.contact-form-container {
    max-width: 800px;
    margin: 0 auto;
    background-color: white;
    border-radius: 8px;
    box-shadow: var(--shadow);
    padding: 3rem;
}

.contact-form-header {
    text-align: center;
    margin-bottom: 2rem;
}

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

.form-group label {
    display: block;
    margin-bottom: 0.5rem;
    font-weight: 500;
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 0.75rem;
    border: 1px solid var(--border-color);
    border-radius: 4px;
    font-family: inherit;
    font-size: 1rem;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--primary-color);
}

.form-checkbox {
    display: flex;
    align-items: center;
}

.form-checkbox input {
    width: auto;
    margin-right: 0.5rem;
}

.form-checkbox label {
    margin-bottom: 0;
    font-weight: normal;
}

.form-submit {
    text-align: center;
}

.map-section {
    padding: 5rem 0;
    background-color: var(--light-color);
}

.map-container {
    border-radius: 8px;
    overflow: hidden;
    box-shadow: var(--shadow);
}

.faq-section {
    padding: 5rem 0;
}

.faq-container {
    max-width: 800px;
    margin: 0 auto;
}

.faq-item {
    margin-bottom: 1.5rem;
    border: 1px solid var(--border-color);
    border-radius: 8px;
    overflow: hidden;
}

.faq-question {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1.5rem;
    background-color: white;
    cursor: pointer;
}

.faq-question h3 {
    margin: 0;
    font-size: 1.1rem;
}

.faq-answer {
    padding: 0 1.5rem 1.5rem;
    display: none;
}

.faq-item.active .faq-answer {
    display: block;
}

.faq-item.active .faq-question i {
    transform: rotate(180deg);
}

/* 响应式样式 - 现代化优化 */

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

@keyframes fadeInLeft {
    from {
        opacity: 0;
        transform: translateX(-30px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

@keyframes float {
    0%, 100% {
        transform: translateY(0px);
    }
    50% {
        transform: translateY(-10px);
    }
}

@keyframes pulse {
    0%, 100% {
        transform: scale(1);
    }
    50% {
        transform: scale(1.05);
    }
}

/* 动画类 */
.animate-fade-up {
    animation: fadeInUp 0.6s ease-out;
}

.animate-fade-left {
    animation: fadeInLeft 0.6s ease-out;
}

.animate-float {
    animation: float 3s ease-in-out infinite;
}

.animate-pulse {
    animation: pulse 2s ease-in-out infinite;
}

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

/* 选择样式 */
::selection {
    background: rgba(37, 99, 235, 0.2);
    color: var(--dark-color);
}

::-moz-selection {
    background: rgba(37, 99, 235, 0.2);
    color: var(--dark-color);
}

/* 自定义滚动条 */
::-webkit-scrollbar {
    width: 8px;
}

::-webkit-scrollbar-track {
    background: var(--light-color);
}

::-webkit-scrollbar-thumb {
    background: linear-gradient(135deg, var(--primary-color), var(--accent-color));
    border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
    background: linear-gradient(135deg, var(--primary-dark), var(--primary-color));
}

/* 大屏幕优化 */
@media (min-width: 1400px) {
    .container {
        max-width: 1320px;
    }
    
    .hero-content h1 {
        font-size: 4rem;
    }
    
    .section-title {
        font-size: 3rem;
    }
}

/* 中屏幕优化 */
@media (max-width: 1024px) {
    .product-detail-content {
        grid-template-columns: 1fr;
        gap: var(--spacing-2xl);
    }
    
    .testimonial-item {
        flex: 0 0 calc(50% - var(--spacing-md));
    }
    
    .feature-grid {
        grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    }
}

/* 平板优化 */
@media (max-width: 768px) {
    .mobile-menu-btn {
        display: block;
    }
    
    nav {
        position: absolute;
        top: 100%;
        left: 0;
        width: 100%;
        background: rgba(255, 255, 255, 0.95);
        backdrop-filter: blur(20px);
        -webkit-backdrop-filter: blur(20px);
        box-shadow: var(--shadow-lg);
        padding: var(--spacing-lg) 0;
        display: none;
        border-top: 1px solid var(--border-color);
    }
    
    nav.active {
        display: block;
        animation: fadeInUp 0.3s ease-out;
    }
    
    nav ul {
        flex-direction: column;
        gap: 0;
    }
    
    nav ul li a {
        display: block;
        padding: var(--spacing-md) var(--spacing-xl);
        border-bottom: 1px solid var(--border-light);
    }
    
    .hero {
        padding: 4rem 0;
    }
    
    .hero-content h1 {
        font-size: 2.5rem;
    }
    
    .testimonial-item {
        flex: 0 0 100%;
    }
    
    .feature-grid {
        grid-template-columns: 1fr;
        gap: var(--spacing-xl);
    }
    
    .product-grid {
        grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
        gap: var(--spacing-xl);
    }
    
    /* 产品分类样式移动端优化 */
    .category-filter {
        overflow-x: auto;
        overflow-y: hidden;
        white-space: nowrap;
        padding-bottom: 0.5rem;
        scrollbar-width: thin;
        scrollbar-color: var(--primary-color) transparent;
    }
    
    .category-filter::-webkit-scrollbar {
        height: 4px;
    }
    
    .category-filter::-webkit-scrollbar-track {
        background: var(--light-color);
    }
    
    .category-filter::-webkit-scrollbar-thumb {
        background: var(--primary-color);
        border-radius: 2px;
    }
    
    .category-btn {
        display: inline-block;
        white-space: nowrap;
        margin-right: 0.5rem;
        flex-shrink: 0;
    }
    
    .footer-content {
        grid-template-columns: 1fr;
        gap: var(--spacing-xl);
        text-align: center;
    }
    
    .social-icons {
        justify-content: center;
    }
}

/* 手机优化 */
@media (max-width: 576px) {
    .container {
        padding: 0 var(--spacing-md);
    }
    
    .section-title {
        font-size: 2rem;
    }
    
    .hero-content h1 {
        font-size: 2rem;
        line-height: 1.3;
    }
    
    .hero-content p {
        font-size: var(--font-size-base);
    }
    
    .feature-item,
    .testimonial-item {
        padding: var(--spacing-xl);
    }
    
    .btn {
        padding: var(--spacing-md) var(--spacing-xl);
    }
    
    .btn-large {
        padding: var(--spacing-md) var(--spacing-xl);
        font-size: var(--font-size-base);
    }
    
    .contact-form-container {
        padding: var(--spacing-xl);
        margin: 0 var(--spacing-md);
    }
}

/* 触摸设备优化 */
@media (hover: hover) {
    .feature-item:hover {
        transform: translateY(-8px);
    }
    
    .product-card:hover {
        transform: translateY(-12px);
    }
    
    .testimonial-item:hover {
        transform: translateY(-8px);
    }
}

/* 非触摸设备优化 */
@media (hover: none) {
    .feature-item:hover,
    .product-card:hover,
    .testimonial-item:hover {
        transform: none;
    }
    
    .btn:hover {
        transform: none;
    }
}

/* 高对比度模式 */
@media (prefers-contrast: high) {
    :root {
        --shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.3), 0 2px 4px -1px rgba(0, 0, 0, 0.2);
        --border-color: #000;
    }
}

/* 减少动画模式 */
@media (prefers-reduced-motion: reduce) {
    *,
    *::before,
    *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
        scroll-behavior: auto !important;
    }
}