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

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

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

header {
    background: linear-gradient(135deg, #2c3e50 0%, #3498db 100%);
    color: white;
    padding: 1rem 0;
    box-shadow: 0 2px 10px rgba(0,0,0,0.1);
}

header .logo {
    font-size: 1.8rem;
    font-weight: bold;
    text-decoration: none;
    color: white;
}

nav {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

nav ul {
    list-style: none;
    display: flex;
    gap: 2rem;
}

nav ul li a {
    color: white;
    text-decoration: none;
    font-weight: 500;
    transition: color 0.3s;
}

nav ul li a:hover {
    color: #ffd700;
}

.banner {
    background: linear-gradient(rgba(44, 62, 80, 0.8), rgba(52, 152, 219, 0.8)),
                url("https://images.unsplash.com/photo-1560448204-e02f11c3d0e2?w=1200&h=400&fit=crop");
    background-size: cover;
    background-position: center;
    color: white;
    text-align: center;
    padding: 4rem 0;
    margin-bottom: 2rem;
}

.banner h1 {
    font-size: 3rem;
    margin-bottom: 1rem;
}

.banner p {
    font-size: 1.2rem;
    opacity: 0.9;
}

.section-title {
    text-align: center;
    margin-bottom: 2rem;
    color: #2c3e50;
}

.section-title h2 {
    font-size: 2rem;
    margin-bottom: 0.5rem;
}

.section-title hr {
    width: 60px;
    height: 3px;
    background: #3498db;
    margin: 0 auto;
    border: none;
}

.search-bar {
    background: white;
    padding: 1.5rem;
    border-radius: 10px;
    box-shadow: 0 2px 15px rgba(0,0,0,0.1);
    margin-bottom: 2rem;
}

.search-form {
    display: flex;
    flex-wrap: wrap;
    gap: 1rem;
    justify-content: center;
    align-items: center;
}

.search-form input,
.search-form select {
    padding: 0.75rem 1rem;
    border: 1px solid #ddd;
    border-radius: 5px;
    font-size: 1rem;
    min-width: 150px;
}

.search-form button {
    padding: 0.75rem 2rem;
    background: #3498db;
    color: white;
    border: none;
    border-radius: 5px;
    font-size: 1rem;
    cursor: pointer;
    transition: background 0.3s;
}

.search-form button:hover {
    background: #2980b9;
}

.property-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(350px, 1fr));
    gap: 2rem;
    margin-bottom: 2rem;
}

.property-card {
    background: white;
    border-radius: 10px;
    overflow: hidden;
    box-shadow: 0 2px 15px rgba(0,0,0,0.1);
    transition: transform 0.3s, box-shadow 0.3s;
    cursor: pointer;
}

.property-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 5px 25px rgba(0,0,0,0.15);
}

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

.property-info {
    padding: 1.5rem;
}

.property-title {
    font-size: 1.3rem;
    font-weight: bold;
    color: #2c3e50;
    margin-bottom: 0.5rem;
}

.property-price {
    font-size: 1.5rem;
    color: #e74c3c;
    font-weight: bold;
    margin-bottom: 1rem;
}

.property-details {
    display: flex;
    flex-wrap: wrap;
    gap: 1rem;
    font-size: 0.9rem;
    color: #666;
}

.property-details span {
    display: flex;
    align-items: center;
    gap: 0.3rem;
}

.property-footer {
    padding: 1rem 1.5rem;
    background: #f8f9fa;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.property-footer button {
    padding: 0.5rem 1.5rem;
    background: #3498db;
    color: white;
    border: none;
    border-radius: 5px;
    cursor: pointer;
    transition: background 0.3s;
}

.property-footer button:hover {
    background: #2980b9;
}

footer {
    background: #2c3e50;
    color: white;
    padding: 2rem 0;
    margin-top: 2rem;
}

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

.footer-section h3 {
    margin-bottom: 1rem;
    color: #ffd700;
}

.footer-section ul {
    list-style: none;
}

.footer-section ul li {
    margin-bottom: 0.5rem;
}

.footer-section ul li a {
    color: #bdc3c7;
    text-decoration: none;
    transition: color 0.3s;
}

.footer-section ul li a:hover {
    color: white;
}

.footer-bottom {
    text-align: center;
    padding-top: 1rem;
    border-top: 1px solid #34495e;
    color: #95a5a6;
}

.modal {
    display: none;
    position: fixed;
    z-index: 1000;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    background: rgba(0,0,0,0.5);
    overflow: auto;
}

.modal-content {
    background: white;
    margin: 5% auto;
    padding: 2rem;
    border-radius: 10px;
    width: 90%;
    max-width: 600px;
    position: relative;
}

.close-btn {
    position: absolute;
    right: 1rem;
    top: 1rem;
    font-size: 1.5rem;
    cursor: pointer;
    color: #999;
}

.close-btn:hover {
    color: #333;
}

.modal-title {
    color: #2c3e50;
    margin-bottom: 1.5rem;
}

.form-group {
    margin-bottom: 1rem;
}

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

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 0.75rem;
    border: 1px solid #ddd;
    border-radius: 5px;
    font-size: 1rem;
}

.form-group textarea {
    resize: vertical;
    min-height: 100px;
}

.submit-btn {
    background: #3498db;
    color: white;
    border: none;
    padding: 0.75rem 2rem;
    border-radius: 5px;
    font-size: 1rem;
    cursor: pointer;
    transition: background 0.3s;
}

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

.success-message {
    background: #d4edda;
    color: #155724;
    padding: 1rem;
    border-radius: 5px;
    margin-bottom: 1rem;
    display: none;
}

.about-section {
    background: white;
    padding: 3rem;
    border-radius: 10px;
    box-shadow: 0 2px 15px rgba(0,0,0,0.1);
    margin-bottom: 2rem;
}

.about-section h3 {
    color: #2c3e50;
    margin-bottom: 1rem;
}

.about-section p {
    color: #666;
    margin-bottom: 1rem;
    text-indent: 2em;
}

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

.feature-card {
    text-align: center;
    padding: 2rem;
    background: white;
    border-radius: 10px;
    box-shadow: 0 2px 15px rgba(0,0,0,0.1);
}

.feature-card i {
    font-size: 3rem;
    color: #3498db;
    margin-bottom: 1rem;
}

.feature-card h4 {
    color: #2c3e50;
    margin-bottom: 0.5rem;
}

.feature-card p {
    color: #666;
    font-size: 0.9rem;
}

.contact-info {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 2rem;
    margin-bottom: 2rem;
}

.contact-item {
    text-align: center;
    padding: 1.5rem;
    background: white;
    border-radius: 10px;
    box-shadow: 0 2px 15px rgba(0,0,0,0.1);
}

.contact-item i {
    font-size: 2rem;
    color: #3498db;
    margin-bottom: 0.5rem;
}

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

@media (max-width: 768px) {
    nav ul {
        gap: 1rem;
        font-size: 0.9rem;
    }
    
    .banner h1 {
        font-size: 2rem;
    }
    
    .search-form {
        flex-direction: column;
        align-items: stretch;
    }
    
    .search-form input,
    .search-form select {
        width: 100%;
    }
}

.pagination {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 0.5rem;
    padding: 1rem;
    background: white;
    border-radius: 10px;
    box-shadow: 0 2px 15px rgba(0,0,0,0.1);
    margin-top: 2rem;
    flex-wrap: wrap;
}

.pagination button {
    padding: 0.5rem 1rem;
    border: 1px solid #ddd;
    background: white;
    border-radius: 5px;
    cursor: pointer;
    transition: all 0.3s;
    font-size: 1rem;
}

.pagination button:hover:not(.disabled) {
    background: #3498db;
    color: white;
    border-color: #3498db;
}

.pagination button.active {
    background: #3498db;
    color: white;
    border-color: #3498db;
}

.pagination button.disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

.pagination span {
    color: #666;
    font-size: 0.9rem;
    margin-left: 1rem;
}

.pagination-info {
    margin-left: 1rem;
    color: #666;
    font-size: 0.9rem;
}
.homepage-property-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 1.5rem;
    margin-bottom: 2rem;
}

.homepage-property-card {
    background: white;
    border-radius: 10px;
    box-shadow: 0 2px 15px rgba(0,0,0,0.1);
    overflow: hidden;
    cursor: pointer;
    transition: transform 0.3s, box-shadow 0.3s;
}

.homepage-property-card:hover {
    transform: translateY(-3px);
    box-shadow: 0 4px 20px rgba(0,0,0,0.15);
}

.homepage-property-card .property-image-container {
    height: 140px;
}

.homepage-property-card .property-image-container img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.homepage-property-card .property-info {
    padding: 1rem;
}

.homepage-property-card .property-title {
    font-size: 0.85rem;
    margin-bottom: 0.5rem;
    color: #2c3e50;
    font-weight: 600;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.homepage-property-card .property-price {
    font-size: 1.2rem;
    font-weight: bold;
    color: #e74c3c;
    margin-bottom: 0.5rem;
}

.homepage-property-card .property-details {
    display: flex;
    flex-wrap: wrap;
    gap: 0.4rem;
    font-size: 0.7rem;
    color: #666;
}

.homepage-property-card .property-details span {
    background: #f5f5f5;
    padding: 2px 6px;
    border-radius: 4px;
}

.homepage-property-card .property-footer {
    padding: 0.5rem 1rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
    border-top: 1px solid #f0f0f0;
}

.homepage-property-card .property-footer span {
    font-size: 0.75rem;
    color: #3498db;
}

.homepage-property-card .property-footer button {
    font-size: 0.7rem;
    padding: 0.25rem 0.7rem;
    background: #3498db;
    color: white;
    border: none;
    border-radius: 4px;
    cursor: pointer;
}