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

body {
    font-family: 'Helvetica Neue', Arial, sans-serif;
    line-height: 1.6;
    color: #333;
    background-color: #fff;
}

a {
    text-decoration: none;
    color: #0078d4;
    transition: color 0.3s ease;
}

a:hover {
    color: #005a9e;
}

ul {
    list-style: none;
}

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

.container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

/* 按钮样式 */
.btn {
    display: inline-block;
    padding: 12px 24px;
    border-radius: 4px;
    font-weight: 600;
    text-align: center;
    cursor: pointer;
    transition: all 0.3s ease;
}

.btn-primary {
    background-color: #0078d4;
    color: #fff;
    border: none;
}

.btn-primary:hover {
    background-color: #005a9e;
    color: #fff;
}

.btn-secondary {
    background-color: transparent;
    color: #0078d4;
    border: 2px solid #0078d4;
}

.btn-secondary:hover {
    background-color: #0078d4;
    color: #fff;
}

.btn-outline {
    background-color: transparent;
    color: #0078d4;
    border: 1px solid #0078d4;
    padding: 8px 16px;
}

.btn-outline:hover {
    background-color: #f0f7ff;
}

/* 标题样式 */
.section-title {
    font-size: 2.5rem;
    font-weight: 700;
    text-align: center;
    margin-bottom: 2rem;
    color: #333;
    position: relative;
    padding-bottom: 15px;
}

.section-title:after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 80px;
    height: 3px;
    background-color: #0078d4;
}

/* 导航栏 */
.header {
    background-color: #fff;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
    position: sticky;
    top: 0;
    z-index: 1000;
    transition: all 0.3s ease;
}

header.scrolled {
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    box-shadow: 0 2px 20px rgba(0,0,0,0.15);
}

.header .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 20px;
}

.logo a {
    font-size: 1.8rem;
    font-weight: 700;
    color: #0078d4;
}

.main-nav ul {
    display: flex;
}

.main-nav li {
    margin-left: 30px;
}

.main-nav a {
    color: #333;
    font-weight: 500;
    position: relative;
    padding-bottom: 5px;
}

.main-nav a:hover,
.main-nav a.active {
    color: #0078d4;
}

.main-nav a.active:after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    height: 2px;
    background-color: #0078d4;
}

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

/* 英雄区 */
.hero {
    background: linear-gradient(rgba(0, 0, 0, 0.5), rgba(0, 0, 0, 0.5)), url('../images/hero-bg.jpg');
    background-size: cover;
    background-position: center;
    color: #fff;
    padding: 120px 0;
    text-align: center;
}

.hero-content h1 {
    font-size: 3.5rem;
    font-weight: 700;
    margin-bottom: 20px;
    line-height: 1.2;
}

.hero-content p {
    font-size: 1.5rem;
    margin-bottom: 40px;
    max-width: 800px;
    margin-left: auto;
    margin-right: auto;
}

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

/* 特色区域 */
.features {
    padding: 80px 0;
    background-color: #f9f9f9;
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 30px;
    margin-top: 40px;
}

.feature-item {
    text-align: center;
    padding: 30px 20px;
    background-color: #fff;
    border-radius: 8px;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.05);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.feature-item:hover {
    transform: translateY(-10px);
    box-shadow: 0 15px 30px rgba(0, 0, 0, 0.1);
}

.feature-icon {
    font-size: 2.5rem;
    color: #0078d4;
    margin-bottom: 20px;
}

.feature-item h3 {
    font-size: 1.5rem;
    margin-bottom: 15px;
    color: #333;
}

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

/* 产品展示 */
.products-showcase {
    padding: 80px 0;
}

.products-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
    margin-top: 40px;
}

.product-card {
    border-radius: 8px;
    overflow: hidden;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.05);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.product-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 15px 30px rgba(0, 0, 0, 0.1);
}

.product-image img {
    width: 100%;
    height: 300px;
    object-fit: cover;
}

.product-info {
    padding: 20px;
}

.product-info h3 {
    font-size: 1.5rem;
    margin-bottom: 10px;
    color: #333;
}

.product-info p {
    color: #666;
    margin-bottom: 20px;
}

.view-all-products {
    text-align: center;
    margin-top: 40px;
}

/* 定制流程 */
.customization-process {
    padding: 80px 0;
    background-color: #f0f7ff;
}

.process-steps {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 30px;
    margin-top: 40px;
}

.process-step {
    text-align: center;
    position: relative;
}

.step-number {
    width: 40px;
    height: 40px;
    background-color: #0078d4;
    color: #fff;
    border-radius: 50%;
    display: flex;
    justify-content: center;
    align-items: center;
    font-weight: 700;
    margin: 0 auto 20px;
}

.step-icon {
    font-size: 2.5rem;
    color: #0078d4;
    margin-bottom: 20px;
}

.process-step h3 {
    font-size: 1.5rem;
    margin-bottom: 15px;
    color: #333;
}

.process-step p {
    color: #666;
}

.process-step:not(:last-child):after {
    content: '';
    position: absolute;
    top: 20px;
    right: -15px;
    width: 30px;
    height: 2px;
    background-color: #0078d4;
}

/* 客户评价 */
.testimonials {
    padding: 80px 0;
    background-color: #fff;
}

.testimonials-slider {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
    margin-top: 40px;
}

.testimonial-item {
    background-color: #f9f9f9;
    border-radius: 8px;
    padding: 30px;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.05);
}

.testimonial-content {
    margin-bottom: 20px;
}

.testimonial-content p {
    font-style: italic;
    color: #555;
    line-height: 1.8;
}

.testimonial-author {
    display: flex;
    align-items: center;
}

.author-image {
    width: 60px;
    height: 60px;
    border-radius: 50%;
    overflow: hidden;
    margin-right: 15px;
}

.author-info h4 {
    font-size: 1.1rem;
    margin-bottom: 5px;
    color: #333;
}

.author-info p {
    font-size: 0.9rem;
    color: #666;
}

/* 博客预览 */
.blog-preview {
    padding: 80px 0;
    background-color: #f9f9f9;
}

.blog-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
    margin-top: 40px;
}

.blog-card {
    background-color: #fff;
    border-radius: 8px;
    overflow: hidden;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.05);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.blog-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 15px 30px rgba(0, 0, 0, 0.1);
}

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

.blog-content {
    padding: 20px;
}

.blog-date {
    font-size: 0.9rem;
    color: #666;
    margin-bottom: 10px;
}

.blog-content h3 {
    font-size: 1.3rem;
    margin-bottom: 10px;
    color: #333;
}

.blog-content p {
    color: #666;
    margin-bottom: 15px;
}

.read-more {
    font-weight: 600;
    color: #0078d4;
    display: inline-block;
    position: relative;
}

.read-more:after {
    content: '→';
    margin-left: 5px;
    transition: margin-left 0.3s ease;
}

.read-more:hover:after {
    margin-left: 10px;
}

.view-all-blogs {
    text-align: center;
    margin-top: 40px;
}

/* 联系我们 CTA */
.contact-cta {
    padding: 80px 0;
    background: linear-gradient(rgba(0, 0, 0, 0.7), rgba(0, 0, 0, 0.7)), url('../images/cta-bg.jpg');
    background-size: cover;
    background-position: center;
    color: #fff;
    text-align: center;
}

.cta-content h2 {
    font-size: 2.5rem;
    margin-bottom: 20px;
}

.cta-content p {
    font-size: 1.2rem;
    margin-bottom: 30px;
    max-width: 800px;
    margin-left: auto;
    margin-right: auto;
}

/* 页脚 */
.footer {
    background-color: #333;
    color: #fff;
    padding: 60px 0 20px;
}

.footer-content {
    display: flex;
    justify-content: space-between;
    margin-bottom: 40px;
}

.footer-logo a {
    font-size: 1.8rem;
    font-weight: 700;
    color: #fff;
    margin-bottom: 10px;
    display: inline-block;
}

.footer-logo p {
    color: #ccc;
    max-width: 300px;
}

.footer-links {
    display: flex;
    gap: 60px;
}

.footer-links-column h3 {
    font-size: 1.2rem;
    margin-bottom: 20px;
    color: #fff;
    position: relative;
    padding-bottom: 10px;
}

.footer-links-column h3:after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 40px;
    height: 2px;
    background-color: #0078d4;
}

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

.footer-links-column ul li a {
    color: #ccc;
    transition: color 0.3s ease;
}

.footer-links-column ul li a:hover {
    color: #fff;
}

.contact-info li {
    display: flex;
    align-items: center;
    margin-bottom: 15px;
}

.contact-info li i {
    margin-right: 10px;
    color: #0078d4;
}

.footer-bottom {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding-top: 20px;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.copyright p {
    color: #ccc;
    font-size: 0.9rem;
}

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

.social-links a {
    width: 36px;
    height: 36px;
    border-radius: 50%;
    background-color: rgba(255, 255, 255, 0.1);
    color: #fff;
    display: flex;
    justify-content: center;
    align-items: center;
    transition: background-color 0.3s ease;
}

.social-links a:hover {
    background-color: #0078d4;
}

/* 产品页面样式 */
.page-header {
    background: linear-gradient(135deg, #0078d4, #005a9e);
    color: #fff;
    padding: 120px 0 60px;
    text-align: center;
}

.page-header h1 {
    font-size: 3rem;
    margin-bottom: 20px;
    font-weight: 700;
}

.page-header p {
    font-size: 1.2rem;
    margin-bottom: 30px;
    opacity: 0.9;
}

.breadcrumb {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 8px;
    font-size: 0.9rem;
}

.breadcrumb a {
    color: #fff;
    text-decoration: none;
    opacity: 0.8;
    transition: opacity 0.3s ease;
}

.breadcrumb a:hover {
    opacity: 1;
}

.breadcrumb span {
    opacity: 0.6;
}

/* 产品分类过滤器 */
.product-categories {
    padding: 60px 0;
    background-color: #f9f9f9;
}

.category-filters {
    display: flex;
    justify-content: center;
    gap: 15px;
    flex-wrap: wrap;
}

.filter-btn {
    padding: 12px 24px;
    border: 2px solid #0078d4;
    background: transparent;
    color: #0078d4;
    border-radius: 25px;
    cursor: pointer;
    transition: all 0.3s ease;
    font-weight: 500;
}

.filter-btn:hover,
.filter-btn.active {
    background: #0078d4;
    color: #fff;
}

/* 产品网格增强 */
.products-container {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 30px;
}

.product-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0,0,0,0.7);
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transition: opacity 0.3s ease;
}

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

.product-features {
    display: flex;
    gap: 8px;
    margin-bottom: 15px;
    flex-wrap: wrap;
}

.feature-tag {
    background: #f0f7ff;
    color: #0078d4;
    padding: 4px 12px;
    border-radius: 15px;
    font-size: 0.8rem;
    font-weight: 500;
}

.product-price {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding-top: 15px;
    border-top: 1px solid #f0f0f0;
}

.price-label {
    font-size: 0.9rem;
    color: #666;
}

.price-value {
    font-weight: 600;
    color: #0078d4;
}

/* B2B服务区域 */
.b2b-services {
    padding: 80px 0;
    background-color: #f9f9f9;
}

.b2b-services h2 {
    text-align: center;
    margin-bottom: 60px;
    font-size: 2.5rem;
    color: #333;
}

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

.service-item {
    background: #fff;
    padding: 30px;
    border-radius: 15px;
    text-align: center;
    box-shadow: 0 5px 15px rgba(0,0,0,0.1);
    transition: transform 0.3s ease;
}

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

.service-icon {
    width: 80px;
    height: 80px;
    background: #f0f7ff;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 24px;
}

.service-icon i {
    font-size: 2rem;
    color: #0078d4;
}

.service-item h3 {
    margin-bottom: 15px;
    color: #333;
}

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

/* 产品页面CTA */
.products-cta {
    padding: 80px 0;
    background: linear-gradient(135deg, #0078d4, #005a9e);
    color: #fff;
    text-align: center;
}

.products-cta h2 {
    font-size: 2.5rem;
    margin-bottom: 20px;
}

.products-cta p {
    font-size: 1.2rem;
    margin-bottom: 30px;
    opacity: 0.9;
}

.cta-buttons {
    display: flex;
    gap: 15px;
    justify-content: center;
    flex-wrap: wrap;
}

.cta-buttons .btn {
    padding: 15px 30px;
    font-size: 1.1rem;
}

/* About页面样式 */
.about-hero {
    background: linear-gradient(135deg, #0078d4, #005a9e);
    color: #fff;
    padding: 120px 0 80px;
    text-align: center;
}

.about-hero h1 {
    font-size: 3rem;
    margin-bottom: 20px;
    font-weight: 700;
}

.hero-subtitle {
    font-size: 1.5rem;
    margin-bottom: 20px;
    opacity: 0.9;
}

.hero-description {
    font-size: 1.1rem;
    max-width: 600px;
    margin: 0 auto;
    opacity: 0.8;
}

.company-story {
    padding: 80px 0;
    background: #f9f9f9;
}

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

.story-content h2 {
    font-size: 2.5rem;
    margin-bottom: 30px;
    color: #0078d4;
}

.story-content p {
    font-size: 1.1rem;
    line-height: 1.8;
    margin-bottom: 20px;
    color: #333;
}

.story-stats {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
    margin-top: 40px;
}

.stat {
    text-align: center;
}

.stat h3 {
    font-size: 2.5rem;
    color: #0078d4;
    margin-bottom: 10px;
    font-weight: 700;
}

.stat p {
    font-size: 1rem;
    color: #333;
}

.story-image img {
    width: 100%;
    height: 400px;
    object-fit: cover;
    border-radius: 10px;
    box-shadow: 0 10px 30px rgba(0,0,0,0.1);
}

.manufacturing-excellence {
    padding: 80px 0;
}

.manufacturing-excellence h2 {
    text-align: center;
    font-size: 2.5rem;
    margin-bottom: 60px;
    color: #0078d4;
}

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

.excellence-item {
    text-align: center;
    padding: 30px;
    background: #fff;
    border-radius: 10px;
    box-shadow: 0 5px 20px rgba(0,0,0,0.1);
    transition: transform 0.3s ease;
}

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

.excellence-icon {
    width: 80px;
    height: 80px;
    background: #0078d4;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 20px;
}

.excellence-icon i {
    font-size: 2rem;
    color: #fff;
}

.excellence-item h3 {
    font-size: 1.3rem;
    margin-bottom: 15px;
    color: #0078d4;
}

.excellence-item p {
    color: #333;
    line-height: 1.6;
}

.custom-solutions {
    padding: 80px 0;
    background: #f9f9f9;
}

.solutions-content h2 {
    text-align: center;
    font-size: 2.5rem;
    margin-bottom: 20px;
    color: #0078d4;
}

.section-subtitle {
    text-align: center;
    font-size: 1.2rem;
    margin-bottom: 60px;
    color: #333;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

.solutions-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 40px;
}

.solution-item {
    background: #fff;
    padding: 30px;
    border-radius: 10px;
    box-shadow: 0 5px 20px rgba(0,0,0,0.1);
}

.solution-item h3 {
    font-size: 1.4rem;
    margin-bottom: 20px;
    color: #0078d4;
}

.solution-item ul {
    list-style: none;
}

.solution-item li {
    padding: 8px 0;
    color: #333;
    position: relative;
    padding-left: 20px;
}

.solution-item li:before {
    content: '✓';
    position: absolute;
    left: 0;
    color: #0078d4;
    font-weight: bold;
}

.team-section {
    padding: 80px 0;
}

.team-section h2 {
    text-align: center;
    font-size: 2.5rem;
    margin-bottom: 60px;
    color: #0078d4;
}

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

.team-member {
    text-align: center;
    background: #fff;
    padding: 30px;
    border-radius: 10px;
    box-shadow: 0 5px 20px rgba(0,0,0,0.1);
    transition: transform 0.3s ease;
}

.team-member:hover {
    transform: translateY(-5px);
}

.member-photo {
    width: 120px;
    height: 120px;
    margin: 0 auto 20px;
    border-radius: 50%;
    overflow: hidden;
}

.member-photo img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.team-member h3 {
    font-size: 1.3rem;
    margin-bottom: 10px;
    color: #0078d4;
}

.member-title {
    font-size: 1rem;
    color: #005a9e;
    margin-bottom: 15px;
    font-weight: 600;
}

.member-bio {
    color: #333;
    line-height: 1.6;
    font-size: 0.95rem;
}

.values-section {
    padding: 80px 0;
    background: #f9f9f9;
}

.values-section h2 {
    text-align: center;
    font-size: 2.5rem;
    margin-bottom: 60px;
    color: #0078d4;
}

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

.value-item {
    text-align: center;
    background: #fff;
    padding: 30px;
    border-radius: 10px;
    box-shadow: 0 5px 20px rgba(0,0,0,0.1);
    transition: transform 0.3s ease;
}

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

.value-icon {
    width: 80px;
    height: 80px;
    background: #005a9e;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 20px;
}

.value-icon i {
    font-size: 2rem;
    color: #fff;
}

.value-item h3 {
    font-size: 1.3rem;
    margin-bottom: 15px;
    color: #0078d4;
}

.value-item p {
    color: #333;
    line-height: 1.6;
}

.about-cta {
    padding: 80px 0;
    background: linear-gradient(135deg, #0078d4, #005a9e);
    color: #fff;
    text-align: center;
}

.about-cta h2 {
    font-size: 2.5rem;
    margin-bottom: 20px;
}

.about-cta p {
    font-size: 1.2rem;
    margin-bottom: 40px;
    opacity: 0.9;
}

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

.cta-buttons .btn {
    padding: 15px 30px;
    font-size: 1.1rem;
}

/* Contact Page Styles */
.contact-hero {
    background: linear-gradient(135deg, #4facfe 0%, #00f2fe 100%);
    color: white;
    padding: 120px 0 80px;
    text-align: center;
}

.contact-hero h1 {
    font-size: 3.5rem;
    margin-bottom: 1rem;
    font-weight: 700;
}

.contact-hero .hero-subtitle {
    font-size: 1.5rem;
    margin-bottom: 1rem;
    opacity: 0.9;
}

.contact-hero .hero-description {
    font-size: 1.1rem;
    max-width: 600px;
    margin: 0 auto;
    opacity: 0.8;
    line-height: 1.6;
}

.contact-info-section {
    padding: 80px 0;
    background: #f8f9fa;
}

.contact-info-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 2rem;
    margin-top: 3rem;
}

.contact-card {
    background: white;
    padding: 2.5rem 2rem;
    border-radius: 15px;
    text-align: center;
    box-shadow: 0 10px 30px rgba(0,0,0,0.1);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.contact-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 20px 40px rgba(0,0,0,0.15);
}

.contact-icon {
    width: 80px;
    height: 80px;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 1.5rem;
    font-size: 2rem;
    color: white;
}

.contact-card h3 {
    font-size: 1.5rem;
    margin-bottom: 1rem;
    color: #333;
}

.contact-card p {
    color: #666;
    margin-bottom: 1.5rem;
    line-height: 1.6;
}

.contact-link {
    color: #667eea;
    text-decoration: none;
    font-weight: 600;
    transition: color 0.3s ease;
}

.contact-link:hover {
    color: #764ba2;
}

.contact-form-section {
    padding: 80px 0;
    background: white;
}

.form-container {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: 4rem;
    max-width: 1200px;
    margin: 0 auto;
}

.form-content h2 {
    font-size: 2.5rem;
    margin-bottom: 1rem;
    color: #333;
}

.form-content p {
    color: #666;
    margin-bottom: 2rem;
    line-height: 1.6;
}

.contact-form {
    background: #f8f9fa;
    padding: 2.5rem;
    border-radius: 15px;
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1.5rem;
    margin-bottom: 1.5rem;
}

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

.form-group label {
    display: block;
    margin-bottom: 0.5rem;
    font-weight: 600;
    color: #333;
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 1rem;
    border: 2px solid #e1e5e9;
    border-radius: 8px;
    font-size: 1rem;
    transition: border-color 0.3s ease;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: #667eea;
}

.checkbox-group {
    display: flex;
    align-items: center;
    margin-bottom: 1rem;
}

.checkbox-label {
    display: flex;
    align-items: center;
    cursor: pointer;
    font-weight: normal;
}

.checkbox-label input[type="checkbox"] {
    width: auto;
    margin-right: 0.5rem;
}

.btn-large {
    padding: 1.2rem 3rem;
    font-size: 1.1rem;
    width: 100%;
}

.form-sidebar {
    display: flex;
    flex-direction: column;
    gap: 2rem;
}

.sidebar-card {
    background: #f8f9fa;
    padding: 2rem;
    border-radius: 15px;
    border-left: 4px solid #667eea;
}

.sidebar-card h3 {
    font-size: 1.5rem;
    margin-bottom: 1.5rem;
    color: #333;
}

.benefits-list {
    list-style: none;
    padding: 0;
}

.benefits-list li {
    display: flex;
    align-items: center;
    margin-bottom: 0.8rem;
    color: #666;
}

.benefits-list i {
    color: #28a745;
    margin-right: 0.8rem;
    font-size: 0.9rem;
}

.response-times {
    margin-top: 1rem;
}

.response-item {
    display: flex;
    justify-content: space-between;
    padding: 0.5rem 0;
    border-bottom: 1px solid #e1e5e9;
    color: #666;
}

.response-item:last-child {
    border-bottom: none;
}

.response-item strong {
    color: #333;
}

/* Blog Page Styles */
.blog-hero {
    background: linear-gradient(135deg, #ff6b6b 0%, #ffa726 100%);
    color: white;
    padding: 120px 0 80px;
    text-align: center;
}

.blog-hero h1 {
    font-size: 3.5rem;
    margin-bottom: 1rem;
    font-weight: 700;
}

.blog-hero .hero-subtitle {
    font-size: 1.5rem;
    margin-bottom: 1rem;
    opacity: 0.9;
}

.blog-hero .hero-description {
    font-size: 1.1rem;
    max-width: 600px;
    margin: 0 auto;
    opacity: 0.8;
    line-height: 1.6;
}

.blog-categories {
    padding: 40px 0;
    background: #f8f9fa;
    border-bottom: 1px solid #e1e5e9;
}

.category-filters {
    display: flex;
    justify-content: center;
    flex-wrap: wrap;
    gap: 1rem;
}

.category-btn {
    padding: 0.8rem 1.5rem;
    border: 2px solid #667eea;
    background: white;
    color: #667eea;
    border-radius: 25px;
    cursor: pointer;
    transition: all 0.3s ease;
    font-weight: 600;
}

.category-btn:hover,
.category-btn.active {
    background: #667eea;
    color: white;
}

.blog-grid-section {
    padding: 80px 0;
    background: white;
}

.blog-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 2.5rem;
    margin-bottom: 3rem;
}

.blog-card {
    background: white;
    border-radius: 15px;
    overflow: hidden;
    box-shadow: 0 10px 30px rgba(0,0,0,0.1);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.blog-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 20px 40px rgba(0,0,0,0.15);
}

.blog-image {
    position: relative;
    height: 200px;
    overflow: hidden;
}

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

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

.blog-category {
    position: absolute;
    top: 1rem;
    left: 1rem;
    background: rgba(102, 126, 234, 0.9);
    color: white;
    padding: 0.5rem 1rem;
    border-radius: 20px;
    font-size: 0.8rem;
    font-weight: 600;
}

.blog-content {
    padding: 2rem;
}

.blog-content h3 {
    margin-bottom: 1rem;
    font-size: 1.3rem;
    line-height: 1.4;
}

.blog-content h3 a {
    color: #333;
    text-decoration: none;
    transition: color 0.3s ease;
}

.blog-content h3 a:hover {
    color: #667eea;
}

.blog-excerpt {
    color: #666;
    line-height: 1.6;
    margin-bottom: 1.5rem;
}

.blog-meta {
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: 0.9rem;
    color: #999;
}

.blog-meta span {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.load-more-section {
    text-align: center;
    margin-top: 3rem;
}

.load-more-btn {
    padding: 1rem 2.5rem;
    font-size: 1.1rem;
}

.newsletter-section {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    padding: 80px 0;
    text-align: center;
}

.newsletter-content h2 {
    font-size: 2.5rem;
    margin-bottom: 1rem;
}

.newsletter-content p {
    font-size: 1.1rem;
    margin-bottom: 2rem;
    opacity: 0.9;
}

.newsletter-form {
    display: flex;
    justify-content: center;
    gap: 1rem;
    max-width: 500px;
    margin: 0 auto;
}

.newsletter-form input {
    flex: 1;
    padding: 1rem;
    border: none;
    border-radius: 8px;
    font-size: 1rem;
}

.newsletter-form button {
    padding: 1rem 2rem;
    background: white;
    color: #667eea;
    border: none;
    border-radius: 8px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
}

.newsletter-form button:hover {
    background: #f8f9fa;
    transform: translateY(-2px);
}

/* 响应式设计 */
@media (max-width: 1024px) {
    .features-grid,
    .process-steps {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .process-step:nth-child(2):after {
        display: none;
    }
    
    .products-container {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .services-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .story-grid {
        grid-template-columns: 1fr;
        gap: 40px;
    }
    
    .story-stats {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 768px) {
    .header .container {
        flex-direction: column;
        text-align: center;
    }
    
    .logo {
        margin-bottom: 20px;
    }
    
    .main-nav {
        width: 100%;
    }
    
    .main-nav ul {
        flex-direction: column;
        gap: 15px;
    }
    
    .main-nav li {
        margin-left: 0;
    }
    
    .hero-content h1 {
        font-size: 2.5rem;
    }
    
    .hero-content p {
        font-size: 1.2rem;
    }
    
    .hero-buttons {
        flex-direction: column;
        gap: 15px;
    }
    
    .page-header {
        padding: 100px 0 40px;
    }
    
    .page-header h1 {
        font-size: 2rem;
    }
    
    .category-filters {
        gap: 10px;
    }
    
    .filter-btn {
        padding: 10px 20px;
        font-size: 0.9rem;
    }
    
    .products-container {
        grid-template-columns: 1fr;
        gap: 20px;
    }
    
    .services-grid {
        grid-template-columns: 1fr;
    }
    
    .cta-buttons {
        flex-direction: column;
        align-items: center;
    }
    
    .products-grid,
    .blog-grid,
    .testimonials-slider {
        grid-template-columns: 1fr;
    }
    
    .footer-content {
        flex-direction: column;
        gap: 40px;
    }
    
    .footer-links {
        flex-direction: column;
        gap: 30px;
    }
    
    .footer-bottom {
        flex-direction: column;
        gap: 20px;
        text-align: center;
    }
    
    /* About页面响应式 */
    .about-hero h1 {
        font-size: 2.5rem;
    }
    
    .hero-subtitle {
        font-size: 1.3rem;
    }
    
    .story-grid {
        grid-template-columns: 1fr;
        gap: 40px;
    }
    
    .story-stats {
        grid-template-columns: 1fr;
        gap: 20px;
    }
    
    .excellence-grid,
    .solutions-grid,
    .team-grid,
    .values-grid {
        grid-template-columns: 1fr;
        gap: 30px;
    }
    
    .cta-buttons .btn {
        width: 200px;
    }
    
    /* Contact页面响应式 */
    .contact-hero h1 {
        font-size: 2.5rem;
    }
    
    .contact-hero .hero-subtitle {
        font-size: 1.3rem;
    }
    
    .form-container {
        grid-template-columns: 1fr;
        gap: 2rem;
    }
    
    .form-row {
        grid-template-columns: 1fr;
        gap: 1rem;
    }
    
    .contact-info-grid {
         grid-template-columns: 1fr;
         gap: 1.5rem;
     }
     
     /* Blog页面响应式 */
     .blog-hero h1 {
         font-size: 2.5rem;
     }
     
     .blog-hero .hero-subtitle {
         font-size: 1.3rem;
     }
     
     .category-filters {
         justify-content: flex-start;
         overflow-x: auto;
         padding: 0 1rem;
     }
     
     .blog-grid {
         grid-template-columns: 1fr;
         gap: 2rem;
     }
     
     .newsletter-form {
         flex-direction: column;
         gap: 1rem;
     }
     
     .newsletter-content h2 {
         font-size: 2rem;
     }
 }

@media (max-width: 480px) {
    .features-grid,
    .process-steps {
        grid-template-columns: 1fr;
    }
    
    .process-step:after {
        display: none;
    }
    
    .section-title {
        font-size: 2rem;
    }
    
    .page-header h1 {
        font-size: 1.8rem;
    }
    
    .products-container {
        grid-template-columns: 1fr;
        gap: 15px;
    }
    
    /* 产品页面移动端优化 */
    .products-hero h1 {
        font-size: 2rem;
    }
    
    .category-filters {
        flex-wrap: wrap;
        gap: 0.5rem;
    }
    
    .filter-btn {
        font-size: 0.9rem;
        padding: 0.5rem 1rem;
    }
    
    /* 关于我们页面移动端优化 */
    .about-hero h1 {
        font-size: 2rem;
    }
    
    .story-content,
    .excellence-content {
        padding: 1.5rem;
    }
    
    .team-grid {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }
    
    .values-grid {
        grid-template-columns: 1fr;
    }
    
    /* 联系页面移动端优化 */
    .contact-hero h1 {
        font-size: 2rem;
    }
    
    .contact-form {
        padding: 1.5rem;
    }
    
    .form-group {
        margin-bottom: 1rem;
    }
    
    /* 博客页面移动端优化 */
    .blog-hero h1 {
        font-size: 2rem;
    }
    
    .category-btn {
        font-size: 0.9rem;
        padding: 0.5rem 1rem;
    }
    
    .blog-card {
        margin-bottom: 1.5rem;
    }
    
    .newsletter-content {
        padding: 2rem 1rem;
    }
    
    .newsletter-content h2 {
        font-size: 1.8rem;
    }
    
    /* 导航菜单移动端优化 */
    .nav-links {
        position: fixed;
        top: 70px;
        left: -100%;
        width: 100%;
        height: calc(100vh - 70px);
        background: #0078d4;
        flex-direction: column;
        justify-content: flex-start;
        align-items: center;
        padding-top: 2rem;
        transition: left 0.3s ease;
        z-index: 999;
    }
    
    .nav-links.active {
        left: 0;
    }
    
    .nav-links li {
        margin: 1rem 0;
    }
    
    .nav-links a {
        color: white;
        font-size: 1.2rem;
    }
    
    .mobile-menu-toggle {
        display: block;
        background: none;
        border: none;
        color: #0078d4;
        font-size: 1.5rem;
        cursor: pointer;
    }
}