/* 现代房屋租赁网站样式 */

:root {
    --primary: #3498db;
    --primary-dark: #2980b9;
    --secondary: #2ecc71;
    --accent: #e74c3c;
    --light: #f8f9fa;
    --dark: #2c3e50;
    --gray: #7f8c8d;
    --light-gray: #ecf0f1;
    --white: #ffffff;
    --shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 10px 25px rgba(0, 0, 0, 0.1);
    --border-radius: 8px;
    --transition: all 0.3s ease;
}

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

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    line-height: 1.6;
    color: var(--dark);
    background: var(--light);
    scroll-behavior: smooth;
}

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

/* 导航栏 */
.site-header {
    background: var(--white);
    box-shadow: var(--shadow);
    position: sticky;
    top: 0;
    z-index: 1000;
    transition: var(--transition);
}

.site-header.scrolled {
    box-shadow: var(--shadow-lg);
}

.site-header .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem 20px;
}

.site-title {
    font-size: 1.8rem;
    font-weight: 700;
    color: var(--primary);
    text-decoration: none;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.site-title::before {
    content: '🏠';
    font-size: 1.5rem;
}

.site-nav {
    display: flex;
    gap: 1.5rem;
}

.site-nav a {
    color: var(--dark);
    text-decoration: none;
    font-weight: 500;
    padding: 0.5rem 1rem;
    border-radius: var(--border-radius);
    transition: var(--transition);
    position: relative;
}

.site-nav a:hover {
    color: var(--primary);
    background: rgba(52, 152, 219, 0.1);
}

.site-nav a::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    width: 0;
    height: 2px;
    background: var(--primary);
    transition: var(--transition);
    transform: translateX(-50%);
}

.site-nav a:hover::after {
    width: 80%;
}

/* 英雄区域 */
.hero {
    background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
    color: var(--white);
    padding: 80px 30px;
    text-align: center;
    position: relative;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url('data:image/svg+xml,%3Csvg width="60" height="60" viewBox="0 0 60 60" xmlns="http://www.w3.org/2000/svg"%3E%3Cg fill="none" fill-rule="evenodd"%3E%3Cg fill="%23ffffff" fill-opacity="0.1"%3E%3Cpath d="M36 34v-4h-2v4h-4v2h4v4h2v-4h4v-2h-4zm0-30V0h-2v4h-4v2h4v4h2V6h4V4h-4zM6 34v-4H4v4H0v2h4v4h2v-4h4v-2H6zM6 4V0H4v4H0v2h4v4h2V6h4V4H6z"/%3E%3C/g%3E%3C/g%3E%3C/svg%3E');
    opacity: 0.3;
}

.hero h2 {
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: 1rem;
    position: relative;
    z-index: 1;
}

.hero p {
    font-size: 1.2rem;
    opacity: 0.9;
    max-width: 600px;
    margin: 0 auto 2rem;
    position: relative;
    z-index: 1;
}

.hero-btn {
    display: inline-block;
    background: var(--white);
    color: var(--primary);
    padding: 12px 30px;
    border-radius: 50px;
    text-decoration: none;
    font-weight: 600;
    transition: var(--transition);
    box-shadow: var(--shadow);
    position: relative;
    z-index: 1;
}

.hero-btn:hover {
    background: var(--light);
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

/* 小区列表 */
.communities-list {
    padding: 60px 0;
}

.communities-list h3 {
    font-size: 2rem;
    text-align: center;
    color: var(--dark);
    margin-bottom: 2rem;
    position: relative;
}

.communities-list h3::after {
    content: '';
    position: absolute;
    bottom: -10px;
    left: 50%;
    transform: translateX(-50%);
    width: 80px;
    height: 4px;
    background: var(--primary);
    border-radius: 2px;
}

.community-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(350px, 1fr));
    gap: 30px;
    margin-top: 40px;
}

.community-card {
    background: var(--white);
    border-radius: var(--border-radius);
    overflow: hidden;
    box-shadow: var(--shadow);
    transition: var(--transition);
    text-decoration: none;
    color: var(--dark);
    display: flex;
    flex-direction: column;
    height: 100%;
}

.community-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-lg);
}

.community-card .card-header {
    height: 200px;
    background: linear-gradient(135deg, var(--primary), var(--primary-dark));
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 3rem;
    color: var(--white);
    position: relative;
    overflow: hidden;
}

.community-card .card-header::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url('data:image/svg+xml,%3Csvg width="60" height="60" viewBox="0 0 60 60" xmlns="http://www.w3.org/2000/svg"%3E%3Cg fill="none" fill-rule="evenodd"%3E%3Cg fill="%23ffffff" fill-opacity="0.1"%3E%3Cpath d="M36 34v-4h-2v4h-4v2h4v4h2v-4h4v-2h-4zm0-30V0h-2v4h-4v2h4v4h2V6h4V4h-4zM6 34v-4H4v4H0v2h4v4h2v-4h4v-2H6zM6 4V0H4v4H0v2h4v4h2V6h4V4H6z"/%3E%3C/g%3E%3C/g%3E%3C/svg%3E');
    opacity: 0.3;
}

.community-card .card-header::after {
    content: '🏘️';
    font-size: 4rem;
    position: relative;
    z-index: 1;
}

.community-card .card-body {
    padding: 25px;
    flex: 1;
    display: flex;
    flex-direction: column;
}

.community-card h4 {
    font-size: 1.3rem;
    font-weight: 600;
    margin-bottom: 10px;
    color: var(--dark);
}

.community-address {
    color: var(--gray);
    font-size: 0.95rem;
    margin-bottom: 15px;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.community-address::before {
    content: '📍';
}

.community-desc {
    color: var(--gray);
    font-size: 0.95rem;
    line-height: 1.5;
    margin-bottom: 20px;
    flex: 1;
}

.community-meta {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding-top: 15px;
    border-top: 1px solid var(--light-gray);
}

.community-meta span {
    color: var(--primary);
    font-weight: 500;
    display: flex;
    align-items: center;
    gap: 0.3rem;
}

.community-meta span::before {
    content: '🏢';
}

/* 面包屑 */
.breadcrumb {
    padding: 20px 0;
    font-size: 0.9rem;
    color: var(--gray);
}

.breadcrumb a {
    color: var(--primary);
    text-decoration: none;
    transition: var(--transition);
}

.breadcrumb a:hover {
    text-decoration: underline;
}

.breadcrumb span {
    margin: 0 10px;
    color: var(--light-gray);
}

/* 小区详情 */
.community-header {
    background: var(--white);
    padding: 40px;
    border-radius: var(--border-radius);
    box-shadow: var(--shadow);
    margin-bottom: 40px;
}

.community-header h2 {
    font-size: 2rem;
    color: var(--dark);
    margin-bottom: 20px;
}

.community-header .address {
    color: var(--gray);
    font-size: 1.1rem;
    margin-bottom: 15px;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.community-header .address::before {
    content: '📍';
}

.community-header .description {
    color: var(--gray);
    line-height: 1.6;
    margin-top: 20px;
    padding-top: 20px;
    border-top: 1px solid var(--light-gray);
}

/* 楼栋列表 */
.buildings-section h3 {
    font-size: 1.8rem;
    color: var(--dark);
    margin-bottom: 30px;
}

.building-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: 25px;
}

.building-card {
    background: var(--white);
    border-radius: var(--border-radius);
    padding: 30px;
    box-shadow: var(--shadow);
    transition: var(--transition);
    text-decoration: none;
    color: var(--dark);
    border-top: 4px solid var(--primary);
    position: relative;
    overflow: hidden;
}

.building-card::before {
    content: '';
    position: absolute;
    top: 0;
    right: 0;
    width: 100px;
    height: 100px;
    background: linear-gradient(45deg, rgba(52, 152, 219, 0.1), transparent);
    border-radius: 0 0 0 100%;
}

.building-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-lg);
}

.building-card h4 {
    font-size: 1.2rem;
    font-weight: 600;
    margin-bottom: 15px;
    color: var(--dark);
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.building-card h4::before {
    content: '🏠';
}

.building-meta {
    display: flex;
    gap: 20px;
    margin-bottom: 15px;
    color: var(--gray);
    font-size: 0.9rem;
}

.building-meta span {
    display: flex;
    align-items: center;
    gap: 0.3rem;
}

.house-count {
    color: var(--primary);
    font-weight: 500;
    margin-top: 15px;
    padding-top: 15px;
    border-top: 1px solid var(--light-gray);
    display: flex;
    align-items: center;
    gap: 0.3rem;
}

.house-count::before {
    content: '📦';
}

.building-desc {
    color: var(--gray);
    font-size: 0.9rem;
    line-height: 1.5;
    margin-top: 10px;
}

/* 房屋列表 */
.houses-section h3 {
    font-size: 1.8rem;
    color: var(--dark);
    margin-bottom: 30px;
}

.house-list {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(400px, 1fr));
    gap: 25px;
}

.house-card {
    background: var(--white);
    border-radius: var(--border-radius);
    overflow: hidden;
    box-shadow: var(--shadow);
    transition: var(--transition);
    text-decoration: none;
    color: var(--dark);
    display: flex;
    flex-direction: column;
}

.house-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-lg);
}

.house-card .card-header {
    height: 200px;
    background: linear-gradient(135deg, var(--light-gray), var(--white));
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2rem;
    color: var(--primary);
    position: relative;
    overflow: hidden;
}

.house-card .card-header::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url('data:image/svg+xml,%3Csvg width="40" height="40" viewBox="0 0 40 40" xmlns="http://www.w3.org/2000/svg"%3E%3Cg fill="%233498db" fill-opacity="0.1" fill-rule="evenodd"%3E%3Cpath d="M0 38.59l2.83-2.83 1.41 1.41L1.41 40H0v-1.41zM0 1.4l2.83 2.83 1.41-1.41L1.41 0H0v1.41zM38.59 40l-2.83-2.83 1.41-1.41L40 38.59V40h-1.41zM40 1.41l-2.83 2.83-1.41-1.41L38.59 0H40v1.41zM20 18.6l2.83-2.83 1.41 1.41L21.41 20l2.83 2.83-1.41 1.41L20 21.41l-2.83 2.83-1.41-1.41L18.59 20l-2.83-2.83 1.41-1.41L20 18.59z"/%3E%3C/g%3E%3C/svg%3E');
    opacity: 0.3;
}

.house-card .card-header::after {
    content: '🏠';
    font-size: 3rem;
    position: relative;
    z-index: 1;
}

.house-card .card-body {
    padding: 25px;
    flex: 1;
}

.house-card h4 {
    font-size: 1.2rem;
    font-weight: 600;
    margin-bottom: 15px;
    color: var(--dark);
}

.house-meta {
    display: flex;
    flex-wrap: wrap;
    gap: 15px;
    margin-bottom: 20px;
    color: var(--gray);
    font-size: 0.9rem;
}

.house-meta span {
    display: flex;
    align-items: center;
    gap: 0.3rem;
    background: var(--light);
    padding: 5px 12px;
    border-radius: 20px;
}

.house-prices {
    margin-top: 20px;
    padding-top: 20px;
    border-top: 1px solid var(--light-gray);
}

.price {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 10px;
}

.price .label {
    color: var(--gray);
    font-size: 0.9rem;
}

.price .value {
    color: var(--accent);
    font-weight: 600;
    font-size: 1.1rem;
}

.price .status {
    font-size: 0.8rem;
    padding: 3px 10px;
    border-radius: 12px;
    font-weight: 500;
}

.status-available {
    background: #d4edda;
    color: #155724;
}

.status-rented,
.status-sold {
    background: #fff3cd;
    color: #856404;
}

.status-unavailable {
    background: #e2e3e5;
    color: #383d41;
}

/* 房屋详情 */
.house-detail {
    background: var(--white);
    border-radius: var(--border-radius);
    box-shadow: var(--shadow);
    overflow: hidden;
    animation: fadeInUp 0.8s ease-out;
}

.house-images {
    padding: 40px;
    border-bottom: 1px solid var(--light-gray);
    background: linear-gradient(135deg, var(--light) 0%, var(--white) 100%);
}

.images-gallery {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
    gap: 20px;
    margin-top: 30px;
}

.image-item {
    border-radius: var(--border-radius);
    overflow: hidden;
    background: var(--light-gray);
    aspect-ratio: 4/3;
    position: relative;
    box-shadow: var(--shadow);
    transition: var(--transition);
    cursor: pointer;
}

.image-item:hover {
    transform: scale(1.02);
    box-shadow: var(--shadow-lg);
}

.image-item img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
    transition: var(--transition);
}

.image-item img:hover {
    transform: scale(1.1);
}

.no-image {
    height: 200px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(45deg, var(--light-gray), var(--white));
    color: var(--gray);
    border-radius: var(--border-radius);
    font-size: 3rem;
    box-shadow: var(--shadow);
}

.house-info {
    padding: 40px;
}

.house-info h2 {
    font-size: 2rem;
    color: var(--dark);
    margin-bottom: 30px;
    display: flex;
    align-items: center;
    gap: 1rem;
}

.house-info h2::before {
    content: '🏠';
    font-size: 1.5rem;
}

.info-section {
    margin-bottom: 30px;
    padding-bottom: 25px;
    border-bottom: 1px solid var(--light-gray);
    animation: fadeInUp 0.6s ease-out;
}

.info-section:nth-child(2) {
    animation-delay: 0.1s;
}

.info-section:nth-child(3) {
    animation-delay: 0.2s;
}

.info-section:nth-child(4) {
    animation-delay: 0.3s;
}

.info-section h3 {
    font-size: 1.3rem;
    color: var(--dark);
    margin-bottom: 20px;
    display: flex;
    align-items: center;
    gap: 0.5rem;
    position: relative;
}

.info-section h3::after {
    content: '';
    position: absolute;
    bottom: -8px;
    left: 0;
    width: 50px;
    height: 3px;
    background: var(--primary);
    border-radius: 2px;
}

.info-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
    gap: 20px;
}

.info-item {
    display: flex;
    flex-direction: column;
    gap: 5px;
    padding: 15px;
    background: var(--light);
    border-radius: var(--border-radius);
    transition: var(--transition);
}

.info-item:hover {
    background: rgba(52, 152, 219, 0.05);
    transform: translateY(-2px);
}

.info-item .label {
    color: var(--gray);
    font-size: 0.9rem;
    font-weight: 500;
}

.info-item .value {
    color: var(--dark);
    font-weight: 600;
    font-size: 1.1rem;
}

.status-row {
    display: flex;
    align-items: center;
    gap: 20px;
    flex-wrap: wrap;
}

.status-badge {
    padding: 10px 25px;
    border-radius: 30px;
    font-weight: 600;
    font-size: 1rem;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
}

.price {
    color: var(--accent);
    font-weight: 700;
    font-size: 1.2rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.price::before {
    content: '💰';
    font-size: 1rem;
}

.contact-info {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
    gap: 20px;
}

.extra-info {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
    gap: 15px;
}

.description {
    color: var(--gray);
    line-height: 1.6;
    font-size: 1.05rem;
    padding: 20px;
    background: var(--light);
    border-radius: var(--border-radius);
    border-left: 4px solid var(--primary);
}

.house-images h3 {
    font-size: 1.5rem;
    color: var(--dark);
    margin-bottom: 20px;
}

.images-gallery {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
    gap: 20px;
}

.image-item {
    border-radius: var(--border-radius);
    overflow: hidden;
    background: var(--light-gray);
    aspect-ratio: 4/3;
    position: relative;
}

.image-item img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
    transition: var(--transition);
}

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

.no-image {
    height: 200px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(45deg, var(--light-gray), var(--white));
    color: var(--gray);
    border-radius: var(--border-radius);
    font-size: 3rem;
}

.house-info {
    padding: 40px;
}

.house-info h2 {
    font-size: 2rem;
    color: var(--dark);
    margin-bottom: 30px;
}

.info-section {
    margin-bottom: 30px;
    padding-bottom: 25px;
    border-bottom: 1px solid var(--light-gray);
}

.info-section:last-child {
    border-bottom: none;
}

.info-section h3 {
    font-size: 1.3rem;
    color: var(--dark);
    margin-bottom: 20px;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.info-section h3::before {
    content: '📋';
}

.info-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
    gap: 20px;
}

.info-item {
    display: flex;
    flex-direction: column;
    gap: 5px;
}

.info-item .label {
    color: var(--gray);
    font-size: 0.9rem;
}

.info-item .value {
    color: var(--dark);
    font-weight: 500;
    font-size: 1.1rem;
}

.status-row {
    display: flex;
    align-items: center;
    gap: 20px;
}

.status-badge {
    padding: 8px 20px;
    border-radius: 25px;
    font-weight: 500;
    font-size: 1rem;
}

.contact-info {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
    gap: 20px;
}

.extra-info {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
    gap: 15px;
}

.description {
    color: var(--gray);
    line-height: 1.6;
    font-size: 1.05rem;
}

/* 空状态 */
.empty-message {
    text-align: center;
    padding: 80px 20px;
    color: var(--gray);
    font-size: 1.1rem;
    background: var(--white);
    border-radius: var(--border-radius);
    box-shadow: var(--shadow);
}

.empty-message::before {
    content: '📭';
    font-size: 3rem;
    display: block;
    margin-bottom: 20px;
}

/* 页脚 */
.site-footer {
    background: var(--dark);
    color: var(--light);
    padding: 60px 0 30px;
    margin-top: 60px;
}

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

.footer-section h4 {
    font-size: 1.2rem;
    margin-bottom: 20px;
    color: var(--white);
}

.footer-section p,
.footer-section a {
    color: rgba(255, 255, 255, 0.8);
    text-decoration: none;
    line-height: 1.6;
}

.footer-section a:hover {
    color: var(--primary);
}

.footer-bottom {
    text-align: center;
    padding-top: 30px;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    color: rgba(255, 255, 255, 0.6);
    font-size: 0.9rem;
}

/* 响应式设计 */
@media (max-width: 768px) {
    .site-header .container {
        flex-direction: column;
        gap: 1rem;
        padding: 1rem;
    }

    .site-nav {
        flex-wrap: wrap;
        justify-content: center;
    }

    .hero h2 {
        font-size: 2rem;
    }

    .hero p {
        font-size: 1rem;
    }

    .community-grid,
    .building-grid,
    .house-list {
        grid-template-columns: 1fr;
    }

    .community-header,
    .house-info,
    .house-images {
        padding: 20px;
    }

    .info-grid,
    .contact-info {
        grid-template-columns: 1fr;
    }

    .footer-content {
        grid-template-columns: 1fr;
        gap: 30px;
    }
}

@media (max-width: 480px) {
    .hero {
        padding: 60px 20px;
    }

    .hero h2 {
        font-size: 1.8rem;
    }

    .community-card .card-header,
    .house-card .card-header {
        height: 150px;
    }
}

/* 动画效果 */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.community-card,
.building-card,
.house-card {
    animation: fadeInUp 0.6s ease-out;
}

.community-card:nth-child(2) {
    animation-delay: 0.1s;
}

.community-card:nth-child(3) {
    animation-delay: 0.2s;
}

/* 滚动条样式 */
::-webkit-scrollbar {
    width: 8px;
}

::-webkit-scrollbar-track {
    background: var(--light);
}

::-webkit-scrollbar-thumb {
    background: var(--primary);
    border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
    background: var(--primary-dark);
}