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

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

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

/* Header Styles */
header {
    background-color: #fff;
    box-shadow: 0 2px 4px rgba(0,0,0,0.1);
    position: sticky;
    top: 0;
    z-index: 1000;
}

.header-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 20px 0;
}

/* Menu Toggle Styles */
.menu-toggle {
    display: none;
    flex-direction: column;
    cursor: pointer;
    z-index: 1001;
}

.menu-toggle .bar {
    width: 25px;
    height: 3px;
    background-color: #2c3e50;
    margin: 3px 0;
    transition: 0.3s;
}

.menu-toggle.active .bar:nth-child(1) {
    transform: rotate(-45deg) translate(-5px, 6px);
}

.menu-toggle.active .bar:nth-child(2) {
    opacity: 0;
}

.menu-toggle.active .bar:nth-child(3) {
    transform: rotate(45deg) translate(-5px, -6px);
}

.logo {
    display: flex;
    align-items: center;
}

.logo img {
    width: 50px;
    height: 50px;
    margin-right: 10px;
}

.logo span {
    font-size: 24px;
    font-weight: bold;
    color: #2c3e50;
}

nav ul {
    display: flex;
    list-style: none;
}

nav ul li {
    margin-left: 30px;
}

nav ul li a {
    text-decoration: none;
    color: #333;
    font-size: 16px;
    transition: color 0.3s ease;
}

nav ul li a:hover {
    color: #3498db;
}

.emergency-btn {
    background-color: #3498db;
    color: #fff;
    padding: 10px 20px;
    border-radius: 4px;
    text-decoration: none;
    font-weight: bold;
    transition: background-color 0.3s ease;
}

.emergency-btn:hover {
    background-color: #2980b9;
}

/* Hero Section Styles */
.hero {
    background-color: #3498db;
    color: #fff;
    padding: 100px 0;
    text-align: center;
}

.hero-content h1 {
    font-size: 48px;
    margin-bottom: 20px;
    line-height: 1.2;
}

.hero-content p {
    font-size: 18px;
    margin-bottom: 40px;
    max-width: 800px;
    margin-left: auto;
    margin-right: auto;
}

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

.btn {
    padding: 15px 30px;
    border-radius: 4px;
    text-decoration: none;
    font-weight: bold;
    transition: all 0.3s ease;
}

.btn-primary {
    background-color: #fff;
    color: #3498db;
}

.btn-primary:hover {
    background-color: #f8f9fa;
    transform: translateY(-2px);
}

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

.btn-secondary:hover {
    background-color: rgba(255,255,255,0.1);
    transform: translateY(-2px);
}

/* Services Section Styles */
.our-services {
    padding: 100px 0;
    background-color: #f8f9fa;
}

.our-services h2 {
    text-align: center;
    font-size: 36px;
    margin-bottom: 20px;
    color: #2c3e50;
}

.our-services > .container > p {
    text-align: center;
    font-size: 18px;
    margin-bottom: 60px;
    color: #666;
    max-width: 800px;
    margin-left: auto;
    margin-right: auto;
}

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

.service-item {
    background-color: #fff;
    padding: 30px;
    border-radius: 8px;
    box-shadow: 0 2px 10px rgba(0,0,0,0.1);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

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

.service-item h3 {
    font-size: 20px;
    margin-bottom: 15px;
    color: #2c3e50;
}

.service-item p {
    font-size: 16px;
    margin-bottom: 20px;
    color: #666;
    line-height: 1.6;
}

.service-link {
    display: inline-block;
    color: #3498db;
    text-decoration: none;
    font-weight: bold;
    transition: color 0.3s ease;
}

.service-link:hover {
    color: #2980b9;
}

/* Why Choose Us Section Styles */
.why-choose-us {
    padding: 100px 0;
    background-color: #fff;
}

.why-choose-us h2 {
    text-align: center;
    font-size: 36px;
    margin-bottom: 60px;
    color: #2c3e50;
}

.why-content {
    display: flex;
    align-items: center;
    gap: 60px;
}

.why-text {
    flex: 1;
}

.why-text p {
    font-size: 16px;
    margin-bottom: 30px;
    color: #666;
    line-height: 1.6;
}

.why-text ul {
    list-style: none;
    margin-bottom: 30px;
}

.why-text ul li {
    margin-bottom: 15px;
    padding-left: 25px;
    position: relative;
    color: #666;
}

.why-text ul li::before {
    content: "•";
    position: absolute;
    left: 0;
    color: #3498db;
    font-weight: bold;
    font-size: 20px;
}

.why-text ul li span {
    font-weight: bold;
    color: #2c3e50;
}

.stats {
    display: flex;
    gap: 40px;
    margin-top: 40px;
}

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

.stat-item span {
    display: block;
    font-size: 48px;
    font-weight: bold;
    color: #3498db;
    margin-bottom: 10px;
}

.stat-item p {
    font-size: 16px;
    color: #666;
    margin: 0;
}

.why-image {
    flex: 1;
}

.why-image img {
    width: 100%;
    height: auto;
    border-radius: 8px;
    box-shadow: 0 5px 20px rgba(0,0,0,0.15);
}

/* Ready to Help Section Styles */
.ready-to-help {
    background-color: #3498db;
    color: #fff;
    padding: 80px 0;
    text-align: center;
}

.ready-content h2 {
    font-size: 36px;
    margin-bottom: 20px;
}

.ready-content p {
    font-size: 18px;
    margin-bottom: 40px;
}

/* Footer Styles */
/* 方案2：层级布局设计 */
footer {
    background-color: #2c3e50;
    color: #fff;
    padding: 60px 0 30px;
    font-family: Arial, sans-serif;
    background-image: linear-gradient(135deg, #2c3e50 0%, #34495e 100%);
}

.footer-content {
    display: flex;
    flex-direction: column;
    gap: 40px;
    margin-bottom: 40px;
    max-width: 800px;
    margin-left: auto;
    margin-right: auto;
}

/* 公司信息部分 - 层级1：最顶层 */
.footer-info {
    background-color: rgba(255,255,255,0.05);
    padding: 30px;
    border-radius: 12px;
    box-shadow: 0 4px 12px rgba(0,0,0,0.1);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.footer-info:hover {
    transform: translateY(-3px);
    box-shadow: 0 6px 20px rgba(0,0,0,0.15);
}

.footer-info .footer-logo {
    display: flex;
    align-items: center;
    margin-bottom: 20px;
}

.footer-info .footer-logo img {
    width: 60px;
    height: 60px;
    margin-right: 20px;
    border-radius: 12px;
    box-shadow: 0 3px 10px rgba(0,0,0,0.2);
}

.footer-info .footer-logo span {
    font-size: 24px;
    font-weight: bold;
    color: #ffffff;
    letter-spacing: 1px;
}

.footer-info p {
    font-size: 16px;
    line-height: 1.7;
    color: #bdc3c7;
    margin: 0;
}

/* 快速链接部分 - 层级2：中间层 */
.footer-links {
    background-color: rgba(255,255,255,0.03);
    padding: 25px 30px;
    border-radius: 10px;
    border-left: 4px solid #3498db;
}

.footer-links h3 {
    font-size: 20px;
    margin-bottom: 20px;
    color: #ffffff;
    font-weight: bold;
}

.footer-links ul {
    list-style: none;
    margin: 0;
    padding: 0;
    display: flex;
    flex-wrap: wrap;
    gap: 15px 30px;
}

.footer-links ul li {
    transition: transform 0.2s ease;
    flex: 0 0 calc(50% - 15px);
}

.footer-links ul li:hover {
    transform: translateY(-2px);
}

.footer-links ul li a {
    text-decoration: none;
    color: #bdc3c7;
    font-size: 15px;
    transition: color 0.3s ease;
    display: inline-block;
    position: relative;
    padding-bottom: 3px;
}

.footer-links ul li a:hover {
    color: #3498db;
}

.footer-links ul li a::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background-color: #3498db;
    transition: width 0.3s ease;
}

.footer-links ul li a:hover::after {
    width: 100%;
}

/* 联系我们部分 - 层级3：底层 */
.footer-contact {
    background-color: rgba(255,255,255,0.02);
    padding: 25px 30px;
    border-radius: 10px;
}

.footer-contact h3 {
    font-size: 20px;
    margin-bottom: 20px;
    color: #ffffff;
    font-weight: bold;
}

.footer-contact ul {
    list-style: none;
    margin: 0;
    padding: 0;
}

.footer-contact ul li {
    color: #bdc3c7;
    font-size: 15px;
    margin-bottom: 15px;
    display: flex;
    align-items: center;
    gap: 15px;
}

.footer-contact ul li::before {
    content: '📞';
    font-size: 18px;
    flex-shrink: 0;
    width: 24px;
    text-align: center;
}

.footer-contact ul li:nth-child(2)::before {
    content: '✉️';
}

.footer-contact ul li:nth-child(3)::before {
    content: '⏰';
}

/* 页脚底部 */
.footer-bottom {
    border-top: 1px solid rgba(255,255,255,0.1);
    padding-top: 25px;
    text-align: center;
    font-size: 14px;
    color: #95a5a6;
    max-width: 800px;
    margin-left: auto;
    margin-right: auto;
}

.footer-bottom p {
    margin-bottom: 6px;
    line-height: 1.5;
}

/* 响应式设计 */
@media (max-width: 768px) {
    .footer-content {
        gap: 30px;
        padding: 0 20px;
    }
    
    .footer-info,
    .footer-links,
    .footer-contact {
        padding: 20px;
    }
    
    .footer-info .footer-logo img {
        width: 50px;
        height: 50px;
        margin-right: 15px;
    }
    
    .footer-info .footer-logo span {
        font-size: 20px;
    }
    
    .footer-links ul li {
        flex: 0 0 100%;
    }
    
    .footer-contact ul li {
        flex-direction: column;
        align-items: flex-start;
        gap: 5px;
    }
    
    .footer-contact ul li::before {
        margin-bottom: 5px;
    }
}

/* About Page Styles */
.about-hero {
    background-color: #3498db;
    color: #fff;
    padding: 80px 0;
    text-align: center;
}

.about-hero h1 {
    font-size: 36px;
    margin-bottom: 20px;
}

.about-hero p {
    font-size: 18px;
    max-width: 800px;
    margin: 0 auto;
}

.company-profile {
    padding: 100px 0;
    background-color: #fff;
}

.company-profile h2 {
    font-size: 30px;
    margin-bottom: 40px;
    color: #2c3e50;
}

.profile-content {
    display: flex;
    gap: 60px;
    align-items: flex-start;
}

.profile-text {
    flex: 1;
}

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

.profile-images {
    flex: 1;
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 20px;
}

.profile-images img {
    width: 100%;
    height: auto;
    border-radius: 8px;
    box-shadow: 0 2px 10px rgba(0,0,0,0.1);
}

.our-advantages {
    padding: 100px 0;
    background-color: #f8f9fa;
}

.our-advantages h2 {
    text-align: center;
    font-size: 36px;
    margin-bottom: 20px;
    color: #2c3e50;
}

.our-advantages > .container > p {
    text-align: center;
    font-size: 18px;
    margin-bottom: 60px;
    color: #666;
    max-width: 800px;
    margin-left: auto;
    margin-right: auto;
}

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

.advantage-item {
    background-color: #fff;
    padding: 30px;
    border-radius: 8px;
    box-shadow: 0 2px 10px rgba(0,0,0,0.1);
    text-align: center;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

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

.advantage-item .icon {
    width: 60px;
    height: 60px;
    background-color: #3498db;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 20px;
    color: #fff;
    font-size: 24px;
}

.advantage-item h3 {
    font-size: 20px;
    margin-bottom: 15px;
    color: #2c3e50;
}

.advantage-item p {
    font-size: 14px;
    color: #666;
    line-height: 1.6;
}

.service-areas {
    padding: 100px 0;
    background-color: #fff;
}

.service-areas h2 {
    text-align: center;
    font-size: 36px;
    margin-bottom: 20px;
    color: #2c3e50;
}

.service-areas p {
    text-align: center;
    font-size: 18px;
    margin-bottom: 40px;
    color: #666;
}

/* Services Page Styles */
.services-hero {
    background-color: #3498db;
    color: #fff;
    padding: 80px 0;
    text-align: center;
}

.services-intro {
    padding: 80px 0;
    background-color: #f8f9fa;
}

.services-intro-content {
    display: flex;
    gap: 60px;
    align-items: center;
}

.services-intro-text {
    flex: 1;
}

.services-intro-text h2 {
    font-size: 30px;
    margin-bottom: 20px;
    color: #2c3e50;
}

.services-intro-text p {
    font-size: 16px;
    margin-bottom: 20px;
    color: #666;
    line-height: 1.6;
}

.services-intro-image {
    flex: 1;
    text-align: center;
}

.services-intro-image img {
    width: 100%;
    height: auto;
    border-radius: 8px;
    box-shadow: 0 5px 20px rgba(0,0,0,0.15);
    margin-bottom: 15px;
}

.image-caption {
    font-size: 14px;
    color: #666;
    font-style: italic;
    margin: 0;
}

.services-hero h1 {
    font-size: 36px;
    margin-bottom: 20px;
}

.services-hero p {
    font-size: 18px;
    max-width: 800px;
    margin: 0 auto;
}

.service-categories {
    padding: 100px 0;
    background-color: #f8f9fa;
}

.service-categories h2 {
    text-align: center;
    font-size: 36px;
    margin-bottom: 60px;
    color: #2c3e50;
}

.category-item {
    margin-bottom: 80px;
}

.category-header {
    display: flex;
    align-items: center;
    margin-bottom: 30px;
    padding-bottom: 15px;
    border-bottom: 2px solid #3498db;
}

.category-icon {
    width: 60px;
    height: 60px;
    background-color: #3498db;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-right: 20px;
    color: #fff;
    font-size: 24px;
}

.category-header h3 {
    font-size: 24px;
    color: #2c3e50;
    margin: 0;
}

.category-content {
    display: flex;
    gap: 40px;
    align-items: center;
}

.category-text {
    flex: 1;
}

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

.category-text ul {
    list-style: none;
    margin-bottom: 30px;
}

.category-text ul li {
    margin-bottom: 10px;
    padding-left: 20px;
    position: relative;
    color: #666;
}

.category-text ul li::before {
    content: "•";
    position: absolute;
    left: 0;
    color: #3498db;
    font-weight: bold;
}

.category-image {
    flex: 1;
}

.category-image img {
    width: 100%;
    height: auto;
    border-radius: 8px;
    box-shadow: 0 5px 20px rgba(0,0,0,0.15);
}

.service-process {
    padding: 100px 0;
    background-color: #fff;
}

.service-process h2 {
    text-align: center;
    font-size: 36px;
    margin-bottom: 60px;
    color: #2c3e50;
}

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

.process-step {
    text-align: center;
    padding: 30px;
    background-color: #f8f9fa;
    border-radius: 8px;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

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

.step-number {
    display: inline-block;
    width: 50px;
    height: 50px;
    background-color: #3498db;
    color: #fff;
    border-radius: 50%;
    line-height: 50px;
    font-size: 24px;
    font-weight: bold;
    margin-bottom: 20px;
}

.process-step h3 {
    font-size: 20px;
    margin-bottom: 15px;
    color: #2c3e50;
}

.process-step p {
    font-size: 14px;
    color: #666;
    line-height: 1.6;
}

.service-pricing {
    padding: 100px 0;
    background-color: #f8f9fa;
}

.service-pricing h2 {
    text-align: center;
    font-size: 36px;
    margin-bottom: 60px;
    color: #2c3e50;
}

.pricing-cards {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
}

.pricing-card {
    background-color: #fff;
    padding: 40px;
    border-radius: 8px;
    box-shadow: 0 2px 10px rgba(0,0,0,0.1);
    text-align: center;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

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

.pricing-card h3 {
    font-size: 24px;
    margin-bottom: 20px;
    color: #2c3e50;
}

.pricing-card .price {
    font-size: 36px;
    font-weight: bold;
    color: #3498db;
    margin-bottom: 30px;
}

.pricing-card ul {
    list-style: none;
    margin-bottom: 40px;
    text-align: left;
}

.pricing-card ul li {
    margin-bottom: 15px;
    padding-left: 25px;
    position: relative;
    color: #666;
}

.pricing-card ul li::before {
    content: "✓";
    position: absolute;
    left: 0;
    color: #27ae60;
    font-weight: bold;
}

/* Cases Page Styles */
.cases-hero {
    background-color: #3498db;
    color: #fff;
    padding: 80px 0;
    text-align: center;
}

.cases-hero h1 {
    font-size: 36px;
    margin-bottom: 20px;
}

.cases-hero p {
    font-size: 18px;
    max-width: 800px;
    margin: 0 auto;
}

.case-filters {
    padding: 50px 0;
    background-color: #f8f9fa;
    border-bottom: 1px solid #e0e0e0;
}

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

.filter-btn {
    padding: 10px 20px;
    background-color: #fff;
    border: 1px solid #ddd;
    border-radius: 4px;
    cursor: pointer;
    transition: all 0.3s ease;
    color: #666;
}

.filter-btn:hover {
    background-color: #f0f0f0;
}

.filter-btn.active {
    background-color: #3498db;
    color: #fff;
    border-color: #3498db;
}

.case-gallery {
    padding: 100px 0;
    background-color: #fff;
}

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

.case-item {
    background-color: #f8f9fa;
    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;
}

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

.case-image {
    overflow: hidden;
    text-align: center;
    margin-bottom: 15px;
}

.case-image img {
    width: 80%;
    height: auto;
    object-fit: cover;
    transition: transform 0.3s ease;
    border-radius: 8px;
    box-shadow: 0 2px 10px rgba(0,0,0,0.1);
}

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

.case-image-caption {
    font-size: 14px;
    color: #666;
    font-style: italic;
    margin: 10px 0 0;
    text-align: center;
}

.case-content {
    padding: 20px;
}

.case-content h3 {
    font-size: 18px;
    margin-bottom: 10px;
    color: #2c3e50;
}

.case-content p {
    font-size: 14px;
    margin-bottom: 20px;
    color: #666;
    line-height: 1.6;
}

.view-details {
    display: inline-block;
    color: #3498db;
    text-decoration: none;
    font-weight: bold;
    transition: color 0.3s ease;
}

.view-details:hover {
    color: #2980b9;
}

/* Contact Page Styles */
.contact-hero {
    background-color: #3498db;
    color: #fff;
    padding: 80px 0;
    text-align: center;
}

.contact-hero h1 {
    font-size: 36px;
    margin-bottom: 20px;
}

.contact-hero p {
    font-size: 18px;
    max-width: 800px;
    margin: 0 auto;
}

.contact-info {
    padding: 100px 0;
    background-color: #f8f9fa;
}

.contact-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 30px;
    margin-bottom: 60px;
}

.contact-item {
    background-color: #fff;
    padding: 30px;
    border-radius: 8px;
    box-shadow: 0 2px 10px rgba(0,0,0,0.1);
    text-align: center;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

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

.contact-item h3 {
    font-size: 18px;
    margin-bottom: 20px;
    color: #2c3e50;
}

.contact-item p {
    font-size: 16px;
    color: #666;
    margin-bottom: 10px;
}

.contact-item a {
    color: #3498db;
    text-decoration: none;
    transition: color 0.3s ease;
}

.contact-item a:hover {
    color: #2980b9;
}

.holiday-note {
    background-color: #e3f2fd;
    padding: 15px;
    border-radius: 4px;
    text-align: center;
    margin-top: 10px;
    font-size: 14px;
    color: #1976d2;
}

.address-section {
    display: flex;
    gap: 60px;
    align-items: flex-start;
    margin-top: 60px;
}

.address-info {
    flex: 1;
    background-color: #fff;
    padding: 30px;
    border-radius: 8px;
    box-shadow: 0 2px 10px rgba(0,0,0,0.1);
}

.address-info h3 {
    font-size: 20px;
    margin-bottom: 20px;
    color: #2c3e50;
}

.address-info p {
    margin-bottom: 15px;
    color: #666;
}

.warning-note {
    background-color: #fff3e0;
    padding: 20px;
    border-radius: 4px;
    margin-top: 30px;
    border-left: 4px solid #ff9800;
}

.warning-note h4 {
    font-size: 16px;
    margin-bottom: 10px;
    color: #f57c00;
}

.warning-note p {
    font-size: 14px;
    color: #666;
    margin: 0;
}

/* Responsive Styles */
@media (max-width: 1200px) {
    .container {
        width: 95%;
    }
    
    .services-grid,
    .advantages-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .contact-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .case-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .pricing-cards {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 992px) {
    .header-content {
        flex-direction: row;
        gap: 20px;
        padding: 20px 0;
    }
    
    .menu-toggle {
        display: flex;
    }
    
    #mainNav {
        position: fixed;
        top: 0;
        right: -100%;
        width: 80%;
        height: 100vh;
        background-color: #fff;
        box-shadow: -2px 0 5px rgba(0,0,0,0.1);
        transition: 0.3s;
        padding-top: 80px;
    }
    
    #mainNav.active {
        right: 0;
    }
    
    #mainNav ul {
        flex-direction: column;
        align-items: center;
        gap: 30px;
    }
    
    #mainNav ul li {
        margin: 0;
    }
    
    #mainNav ul li a {
        font-size: 18px;
        font-weight: bold;
    }
    
    .emergency-service {
        display: none;
    }
    
    .hero-content h1 {
        font-size: 36px;
    }
    
    .why-content {
        flex-direction: column;
        text-align: center;
    }
    
    .why-image {
        order: -1;
    }
    
    .profile-content {
        flex-direction: column;
        text-align: center;
    }
    
    .category-content {
        flex-direction: column;
        text-align: center;
    }
    
    .category-image {
        order: -1;
    }
    
    .address-section {
        flex-direction: column;
        text-align: center;
    }
    
    .footer-content {
        grid-template-columns: 1fr;
        text-align: center;
    }
}

@media (max-width: 768px) {
    .hero-buttons {
        flex-direction: column;
        align-items: center;
    }
    
    .btn {
        width: 200px;
        text-align: center;
    }
    
    .services-grid,
    .advantages-grid {
        grid-template-columns: 1fr;
    }
    
    .contact-grid {
        grid-template-columns: 1fr;
    }
    
    .case-grid {
        grid-template-columns: 1fr;
    }
    
    .pricing-cards {
        grid-template-columns: 1fr;
    }
    
    .stats {
        flex-direction: column;
        gap: 20px;
    }
    
    .filter-buttons {
        flex-wrap: wrap;
    }
    
    .footer-bottom {
        flex-direction: column;
        gap: 10px;
    }
}

/* ICP备案号链接样式 */
.footer-bottom a {
    color: #666;
    text-decoration: none;
    transition: color 0.3s ease;
}

.footer-bottom a:hover {
    color: #3498db;
    text-decoration: underline;
}