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

body {
    font-family: 'Noto Sans SC', 'Microsoft YaHei', sans-serif;
    line-height: 1.6;
    color: #333;
    background-color: #f8f9fa;
}

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

/* 导航栏样式 */
.navbar {
    background-color: #fff;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
    position: sticky;
    top: 0;
    z-index: 1000;
}

.navbar .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 15px 20px;
}

.logo {
    display: flex;
    align-items: center;
    text-decoration: none;
    color: #2c3e50;
    font-weight: 700;
    font-size: 1.5rem;
}

.logo i {
    margin-right: 10px;
    color: #3498db;
}

.nav-links {
    display: flex;
    list-style: none;
}

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

.nav-links a {
    text-decoration: none;
    color: #555;
    font-weight: 500;
    padding: 5px 0;
    transition: color 0.3s;
    position: relative;
}

.nav-links a:hover,
.nav-links a.active {
    color: #3498db;
}

.nav-links a.active::after {
    content: '';
    position: absolute;
    bottom: -2px;
    left: 0;
    width: 100%;
    height: 2px;
    background-color: #3498db;
}

.mobile-menu-btn {
    display: none;
    font-size: 1.5rem;
    cursor: pointer;
    color: #555;
}

/* 主横幅样式 */
.hero {
    background: linear-gradient(135deg, #2c3e50 0%, #3498db 100%);
    color: white;
    padding: 80px 0;
    text-align: center;
}

.hero h1 {
    font-size: 2.5rem;
    margin-bottom: 20px;
    font-weight: 700;
}

.tagline {
    font-size: 1.3rem;
    margin-bottom: 15px;
    opacity: 0.9;
}

.subtitle {
    font-size: 1.1rem;
    max-width: 800px;
    margin: 0 auto 30px;
    opacity: 0.8;
}

.cta-button {
    display: inline-block;
    background-color: #fff;
    color: #3498db;
    padding: 12px 30px;
    border-radius: 5px;
    text-decoration: none;
    font-weight: 600;
    transition: all 0.3s;
    border: 2px solid #fff;
}

.cta-button:hover {
    background-color: transparent;
    color: #fff;
}

/* 主要区域样式 */
.section {
    padding: 60px 0;
}

.section h2 {
    font-size: 2rem;
    color: #2c3e50;
    margin-bottom: 30px;
    text-align: center;
    position: relative;
}

.section h2::after {
    content: '';
    display: block;
    width: 60px;
    height: 3px;
    background-color: #3498db;
    margin: 15px auto 30px;
}

.intro-content p {
    font-size: 1.1rem;
    line-height: 1.8;
    margin-bottom: 20px;
    color: #555;
}

/* 公司信息卡片 */
.company-info-card {
    background: #f8f9fa;
    border-left: 4px solid #3498db;
    padding: 25px;
    border-radius: 5px;
    margin: 30px 0;
}

.company-info-card h3 {
    color: #2c3e50;
    margin-bottom: 20px;
    font-size: 1.3rem;
}

.info-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 15px;
}

.info-item {
    padding: 8px 0;
    border-bottom: 1px solid #e9ecef;
}

.info-label {
    color: #666;
    font-weight: 500;
}

.info-value {
    color: #2c3e50;
    font-weight: 600;
}

/* 核心价值样式 */
.values-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 30px;
    margin-top: 40px;
}

.value-card {
    background: white;
    padding: 30px;
    border-radius: 8px;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.05);
    text-align: center;
    transition: transform 0.3s;
}

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

.value-icon {
    font-size: 2.5rem;
    color: #3498db;
    margin-bottom: 20px;
}

.value-card h3 {
    font-size: 1.3rem;
    margin-bottom: 15px;
    color: #2c3e50;
}

/* 服务预览样式 */
.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
    margin: 40px 0;
}

.service-card {
    background: white;
    padding: 30px;
    border-radius: 8px;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.05);
    border-left: 4px solid #3498db;
}

.service-card h3 {
    color: #2c3e50;
    margin-bottom: 15px;
    font-size: 1.2rem;
    display: flex;
    align-items: center;
}

.service-card h3 i {
    margin-right: 10px;
    color: #3498db;
}

.secondary-button {
    display: inline-block;
    background-color: #3498db;
    color: white;
    padding: 12px 30px;
    border-radius: 5px;
    text-decoration: none;
    font-weight: 600;
    transition: all 0.3s;
    border: 2px solid #3498db;
}

.secondary-button:hover {
    background-color: transparent;
    color: #3498db;
}

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

/* 经营范围样式 */
.business-scope {
    background: #f8f9fa;
    border-radius: 8px;
    padding: 40px;
    margin-top: 40px;
}

.scope-content p {
    text-align: center;
    margin-bottom: 20px;
    color: #555;
}

.scope-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    justify-content: center;
    margin: 20px 0;
}

.scope-tag {
    background: white;
    padding: 8px 15px;
    border-radius: 20px;
    font-size: 0.9rem;
    color: #3498db;
    border: 1px solid #e0e0e0;
    transition: all 0.3s;
}

.scope-tag:hover {
    background: #3498db;
    color: white;
    border-color: #3498db;
}

.scope-note {
    font-size: 0.9rem;
    color: #777;
    text-align: center;
    margin-top: 20px;
    font-style: italic;
}

/* 关于我们页面样式 */
.about-content > div {
    margin-bottom: 60px;
}

.legal-info {
    background: #f8f9fa;
    border-radius: 8px;
    padding: 30px;
    margin-top: 20px;
}

.legal-item {
    padding: 12px 0;
    border-bottom: 1px solid #e9ecef;
    display: flex;
}

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

.legal-item.full-width {
    flex-direction: column;
}

.legal-label {
    min-width: 150px;
    color: #666;
    font-weight: 500;
}

.legal-value {
    color: #2c3e50;
    font-weight: 600;
    flex: 1;
}

.vision-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
    margin-top: 30px;
}

.vision-item {
    text-align: center;
    padding: 30px;
    background: white;
    border-radius: 8px;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.05);
}

.vision-item i {
    font-size: 2.5rem;
    color: #3498db;
    margin-bottom: 20px;
}

.vision-item h3 {
    color: #2c3e50;
    margin-bottom: 15px;
}

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

.advantage {
    padding: 25px;
    background: white;
    border-radius: 8px;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.05);
    border-left: 4px solid #3498db;
}

.advantage h3 {
    color: #2c3e50;
    margin-bottom: 15px;
    display: flex;
    align-items: center;
}

.advantage h3 i {
    margin-right: 10px;
    color: #3498db;
}

.team-content p {
    font-size: 1.1rem;
    line-height: 1.8;
    color: #555;
    margin-bottom: 20px;
}

/* 服务页面样式 */
.services-intro p {
    font-size: 1.1rem;
    text-align: center;
    max-width: 800px;
    margin: 0 auto 40px;
    color: #555;
}

.service-category {
    background: white;
    border-radius: 8px;
    padding: 30px;
    margin-bottom: 40px;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.05);
}

.category-header {
    display: flex;
    align-items: center;
    margin-bottom: 30px;
    padding-bottom: 15px;
    border-bottom: 2px solid #f0f0f0;
}

.category-header i {
    font-size: 2rem;
    color: #3498db;
    margin-right: 15px;
}

.category-header h2 {
    margin: 0;
    text-align: left;
}

.category-header h2::after {
    display: none;
}

.service-items {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 20px;
}

.service-item {
    padding: 20px;
    border-left: 3px solid #3498db;
    background-color: #f8f9fa;
    border-radius: 0 5px 5px 0;
}

.service-item h3 {
    color: #2c3e50;
    margin-bottom: 10px;
    font-size: 1.1rem;
}

.service-process {
    margin: 60px 0;
}

.process-steps {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 20px;
    margin-top: 40px;
}

.process-step {
    text-align: center;
    padding: 25px 15px;
    background: white;
    border-radius: 8px;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.05);
    position: relative;
}

.step-number {
    width: 40px;
    height: 40px;
    background: #3498db;
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.2rem;
    font-weight: bold;
    margin: 0 auto 15px;
}

.process-step h3 {
    color: #2c3e50;
    margin-bottom: 10px;
}

.service-features {
    margin-top: 60px;
}

.features-list {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 30px;
    margin-top: 40px;
}

.feature {
    text-align: center;
    padding: 30px 20px;
    background: white;
    border-radius: 8px;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.05);
}

.feature i {
    font-size: 2.5rem;
    color: #3498db;
    margin-bottom: 20px;
}

.feature h3 {
    color: #2c3e50;
    margin-bottom: 15px;
}

.service-note {
    background: #e3f2fd;
    border-left: 4px solid #3498db;
    padding: 20px;
    border-radius: 5px;
    margin-top: 40px;
}

.note-content {
    display: flex;
    align-items: flex-start;
}

.note-content i {
    color: #3498db;
    font-size: 1.5rem;
    margin-right: 15px;
    margin-top: 3px;
}

/* 联系页面样式 */
.contact-intro p {
    font-size: 1.1rem;
    text-align: center;
    max-width: 800px;
    margin: 0 auto 40px;
    color: #555;
}

.contact-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 40px;
    margin-bottom: 60px;
}

.contact-info, .contact-form-container {
    background: white;
    padding: 30px;
    border-radius: 8px;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.05);
}

.contact-info h2, .contact-form-container h2 {
    display: flex;
    align-items: center;
    margin-bottom: 30px;
    color: #2c3e50;
}

.contact-info h2 i, .contact-form-container h2 i {
    margin-right: 10px;
    color: #3498db;
}

.contact-details {
    margin-top: 30px;
}

.contact-item {
    display: flex;
    align-items: flex-start;
    margin-bottom: 25px;
    padding-bottom: 25px;
    border-bottom: 1px solid #f0f0f0;
}

.contact-item:last-child {
    border-bottom: none;
    margin-bottom: 0;
    padding-bottom: 0;
}

.contact-icon {
    background-color: #f8f9fa;
    width: 50px;
    height: 50px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-right: 15px;
    color: #3498db;
    font-size: 1.2rem;
}

.contact-item h3 {
    color: #555;
    font-size: 0.9rem;
    margin-bottom: 5px;
    font-weight: 500;
}

.contact-item p {
    color: #2c3e50;
    font-weight: 600;
}

.contact-note {
    font-size: 0.9rem;
    color: #777;
    font-weight: normal;
    margin-top: 5px;
}

.business-scope-summary {
    margin-top: 30px;
    padding: 20px;
    background: #f8f9fa;
    border-radius: 5px;
}

.business-scope-summary h3 {
    color: #2c3e50;
    margin-bottom: 15px;
    display: flex;
    align-items: center;
}

.business-scope-summary h3 i {
    margin-right: 10px;
    color: #3498db;
}

.business-scope-summary ul {
    list-style-type: none;
    padding-left: 0;
}

.business-scope-summary li {
    padding: 8px 0;
    border-bottom: 1px dashed #ddd;
    color: #555;
}

.business-scope-summary li:last-child {
    border-bottom: none;
}

.business-scope-summary li:before {
    content: "•";
    color: #3498db;
    font-weight: bold;
    display: inline-block;
    width: 1em;
    margin-left: -1em;
}

.contact-form .form-group {
    margin-bottom: 20px;
}

.contact-form label {
    display: block;
    margin-bottom: 8px;
    color: #555;
    font-weight: 500;
}

.contact-form input,
.contact-form select,
.contact-form textarea {
    width: 100%;
    padding: 12px 15px;
    border: 1px solid #ddd;
    border-radius: 5px;
    font-family: inherit;
    font-size: 1rem;
    transition: border-color 0.3s;
}

.contact-form input:focus,
.contact-form select:focus,
.contact-form textarea:focus {
    outline: none;
    border-color: #3498db;
}

.form-intro {
    color: #666;
    margin-bottom: 20px;
    font-size: 0.95rem;
}

.submit-btn {
    background-color: #3498db;
    color: white;
    border: none;
    padding: 12px 30px;
    border-radius: 5px;
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: background-color 0.3s;
    width: 100%;
}

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

.form-note {
    font-size: 0.9rem;
    color: #777;
    margin-top: 10px;
    text-align: center;
}

.visit-info {
    background: white;
    padding: 30px;
    border-radius: 8px;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.05);
    margin-bottom: 40px;
}

.visit-content {
    margin-top: 20px;
}

.visit-item {
    margin-bottom: 25px;
    padding-bottom: 25px;
    border-bottom: 1px solid #f0f0f0;
}

.visit-item:last-child {
    border-bottom: none;
    margin-bottom: 0;
    padding-bottom: 0;
}

.visit-item h3 {
    color: #2c3e50;
    margin-bottom: 10px;
    display: flex;
    align-items: center;
}

.visit-item h3 i {
    margin-right: 10px;
    color: #3498db;
}

.visit-item p {
    margin-bottom: 8px;
    line-height: 1.6;
    color: #555;
}

.visit-note {
    padding: 15px;
    background-color: #f8f9fa;
    border-left: 4px solid #3498db;
    margin-top: 20px;
    color: #555;
    display: flex;
    align-items: flex-start;
}

.visit-note i {
    color: #3498db;
    margin-right: 10px;
    margin-top: 3px;
}

.cooperation-notes {
    background: white;
    padding: 30px;
    border-radius: 8px;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.05);
}

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

.note-item {
    padding: 20px;
    background: #f8f9fa;
    border-radius: 5px;
}

.note-item h3 {
    color: #2c3e50;
    margin-bottom: 10px;
    display: flex;
    align-items: center;
    font-size: 1.1rem;
}

.note-item h3 i {
    margin-right: 10px;
    color: #27ae60;
}

/* 页脚样式 */
.footer {
    background-color: #2c3e50;
    color: #fff;
    padding: 50px 0 20px;
}

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

.footer-info h3 {
    font-size: 1.3rem;
    margin-bottom: 15px;
    display: flex;
    align-items: center;
}

.footer-info h3 i {
    margin-right: 10px;
    color: #3498db;
}

.footer-extra {
    margin-top: 15px;
    font-size: 0.9rem;
    color: #bdc3c7;
}

.footer-extra p {
    margin-bottom: 5px;
}

.footer-contact h4 {
    font-size: 1.1rem;
    margin-bottom: 20px;
    color: #ecf0f1;
}

.footer-contact p {
    margin-bottom: 10px;
    display: flex;
    align-items: center;
}

.footer-contact i {
    margin-right: 10px;
    color: #3498db;
    width: 20px;
}

.footer-bottom {
    border-top: 1px solid #34495e;
    padding-top: 20px;
    text-align: center;
    font-size: 0.9rem;
    color: #bdc3c7;
}

/* 响应式设计 */
@media (max-width: 768px) {
    .mobile-menu-btn {
        display: block;
    }
    
    .nav-links {
        position: fixed;
        top: 70px;
        left: 0;
        right: 0;
        background-color: white;
        flex-direction: column;
        padding: 20px;
        box-shadow: 0 5px 10px rgba(0, 0, 0, 0.1);
        display: none;
    }
    
    .nav-links.active {
        display: flex;
    }
    
    .nav-links li {
        margin: 10px 0;
    }
    
    .hero h1 {
        font-size: 2rem;
    }
    
    .tagline {
        font-size: 1.1rem;
    }
    
    .subtitle {
        font-size: 1rem;
    }
    
    .section h2 {
        font-size: 1.8rem;
    }
    
    .info-grid {
        grid-template-columns: 1fr;
    }
    
    .legal-item {
        flex-direction: column;
    }
    
    .legal-label {
        margin-bottom: 5px;
    }
    
    .contact-grid {
        grid-template-columns: 1fr;
    }
    
    .service-items {
        grid-template-columns: 1fr;
    }
    
    .process-steps {
        grid-template-columns: 1fr;
    }
    
    .features-list {
        grid-template-columns: 1fr;
    }
    
    .notes-content {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 480px) {
    .hero {
        padding: 60px 0;
    }
    
    .section {
        padding: 40px 0;
    }
    
    .section h2 {
        font-size: 1.5rem;
    }
    
    .service-category, .contact-info, .contact-form-container, .visit-info, .cooperation-notes {
        padding: 20px;
    }
}