/* 首页横幅 */
.hero {
    height: 500px;
    background: linear-gradient(135deg, #1a5276 0%, #2980b9 100%);
    background-size: cover;
    background-position: center;
    color: white;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    position: relative;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(rgba(0, 0, 0, 0.3), rgba(0, 0, 0, 0.3));
    z-index: 1;
}

.hero-content {
    position: relative;
    z-index: 2;
    max-width: 800px;
    padding: 0 20px;
    margin-top: 50px;
}

.hero h1 {
    font-size: 2.8rem;
    margin-bottom: 20px;
    animation: fadeInUp 1s ease;
    white-space: nowrap;
}

.hero p {
    font-size: 1.2rem;
    margin-bottom: 30px;
    animation: fadeInUp 1s ease 0.2s;
    animation-fill-mode: both;
}

.hero-buttons {
    display: flex;
    justify-content: center;
    gap: 20px;
    animation: fadeInUp 1s ease 0.4s;
    animation-fill-mode: both;
}

/* 关于我们 */
.about-section {
    padding: 80px 0;
    background-color: #f8f9fa;
}

.section-header {
    text-align: center;
    margin-bottom: 50px;
}

.section-header h2 {
    color: #1a5276;
    font-size: 2.2rem;
    margin-bottom: 15px;
}

.section-header p {
    color: #666;
    font-size: 1.1rem;
}

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

.about-image {
    flex: 1;
    max-width: 500px;
}

.about-image img {
    width: 100%;
    border-radius: 8px;
    box-shadow: 0 5px 15px rgba(0,0,0,0.1);
    transition: opacity 0.3s;
}

.testimonial-author img {
    transition: opacity 0.3s;
}

.about-text {
    flex: 1;
}

.about-text h3 {
    color: #1a5276;
    margin-bottom: 15px;
    font-size: 1.5rem;
}

.about-text p {
    margin-bottom: 20px;
    line-height: 1.6;
}

.about-text ul {
    margin-bottom: 30px;
    padding-left: 20px;
}

.about-text li {
    margin-bottom: 10px;
    line-height: 1.6;
}

.stats {
    display: flex;
    justify-content: space-between;
    margin-top: 30px;
}

.stat-item {
    text-align: center;
    padding: 20px;
    background-color: white;
    border-radius: 8px;
    box-shadow: 0 2px 5px rgba(0,0,0,0.1);
    flex: 1;
    margin: 0 10px;
}

.stat-item h4 {
    color: #1a5276;
    font-size: 2rem;
    margin-bottom: 5px;
}

/* 服务内容 */
.services-section {
    padding: 80px 0;
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 30px;
    margin-top: 50px;
}

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

.service-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 10px 25px rgba(0,0,0,0.1);
}

.service-icon {
    width: 80px;
    height: 80px;
    background-color: #1a5276;
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 20px;
    font-size: 2rem;
}

.service-card h3 {
    color: #1a5276;
    margin-bottom: 15px;
}

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

/* 精选项目 */
.featured-projects {
    padding: 80px 0;
    background-color: #f8f9fa;
}

.section-header .view-all {
    display: inline-block;
    margin-top: 15px;
    color: #1a5276;
    font-weight: bold;
    text-decoration: none;
    transition: color 0.3s;
}

.section-header .view-all:hover {
    color: #154360;
}

.projects-slider {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: 30px;
    margin-top: 50px;
}

.project-card {
    background-color: white;
    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;
}

.project-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 10px 25px rgba(0,0,0,0.1);
}

.project-image {
    height: 200px;
    background-size: cover;
    background-position: center;
}

.project-info {
    padding: 20px;
}

.project-info h3 {
    color: #1a5276;
    margin-bottom: 10px;
}

.project-info p {
    color: #666;
    margin-bottom: 8px;
    font-size: 0.9rem;
}

.project-info i {
    margin-right: 5px;
    color: #1a5276;
}

.project-info .btn {
    margin-top: 15px;
}

/* 客户评价 */
.testimonials {
    padding: 80px 0;
}

.testimonials-slider {
    display: flex;
    gap: 30px;
    overflow-x: auto;
    padding: 20px 0;
    scroll-snap-type: x mandatory;
}

.testimonial {
    min-width: 300px;
    flex: 1;
    background-color: white;
    border-radius: 8px;
    box-shadow: 0 5px 15px rgba(0,0,0,0.05);
    padding: 30px;
    scroll-snap-align: start;
}

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

.testimonial-content p {
    color: #666;
    line-height: 1.6;
    font-style: italic;
}

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

.testimonial-author img {
    width: 50px;
    height: 50px;
    border-radius: 50%;
    margin-right: 15px;
    object-fit: cover;
}

.testimonial-author h4 {
    color: #1a5276;
    margin-bottom: 5px;
}

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

/* 联系我们 */
.contact-section {
    padding: 80px 0;
    background-color: #f8f9fa;
}

.contact-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 50px;
}

.contact-info h2 {
    color: #1a5276;
    margin-bottom: 20px;
    font-size: 2.2rem;
    font-weight: 600;
    text-align: left;
    display: block;
    opacity: 1;
    visibility: visible;
}

.contact-info > p {
    color: #666;
    margin-bottom: 30px;
    line-height: 1.6;
}

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

.contact-item {
    display: flex;
    align-items: center;
    margin-bottom: 20px;
}

.contact-item i {
    width: 50px;
    height: 50px;
    background-color: #1a5276;
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-right: 20px;
    font-size: 1.2rem;
}

.contact-item h4 {
    color: #1a5276;
    margin-bottom: 5px;
}

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

.contact-form h3 {
    color: #1a5276;
    margin-bottom: 20px;
    text-align: center;
}

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

.contact-form input,
.contact-form textarea {
    width: 100%;
    padding: 12px;
    border: 1px solid #ddd;
    border-radius: 4px;
    font-size: 1rem;
}

.contact-form textarea {
    height: 150px;
    resize: vertical;
}

.contact-form button {
    width: 100%;
    padding: 12px;
    font-size: 1rem;
}

/* 动画 */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(20px);
        -webkit-transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
        -webkit-transform: translateY(0);
    }
}

@-webkit-keyframes fadeInUp {
    from {
        opacity: 0;
        -webkit-transform: translateY(20px);
    }
    to {
        opacity: 1;
        -webkit-transform: translateY(0);
    }
}

/* 响应式设计 */
@media (max-width: 992px) {
    .about-content {
        flex-direction: column;
    }
    
    .about-image {
        margin-bottom: 30px;
        max-width: 100%;
    }
    
    .contact-grid {
        grid-template-columns: 1fr;
    }
    
    .contact-info {
        margin-bottom: 30px;
    }
}

@media (max-width: 768px) {
    .hero {
        height: 500px;
    }
    
    .hero h1 {
        font-size: 2.2rem;
    }
    
    .hero p {
        font-size: 1rem;
    }
    
    .hero-buttons {
        flex-direction: column;
        gap: 15px;
    }
    
    .stats {
        flex-direction: column;
        gap: 15px;
    }
    
    .stat-item {
        margin: 0;
    }
    
    .testimonials-slider {
        flex-direction: column;
        gap: 20px;
    }
    
    .testimonial {
        min-width: auto;
    }
}

@media (max-width: 576px) {
    .section-header h2 {
        font-size: 1.8rem;
    }
}