/* 自定义样式 */

/* 英雄区域样式 */
.hero-section {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    padding: 80px 0;
    position: relative;
    overflow: hidden;
}

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

.hero-section .container {
    position: relative;
    z-index: 2;
}

.hero-section h1 {
    font-size: 3.5rem;
    font-weight: 700;
    text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.5);
    margin-bottom: 1.5rem;
    animation: fadeInUp 1s ease-out;
}

.hero-section .lead {
    font-size: 1.4rem;
    font-weight: 300;
    text-shadow: 1px 1px 2px rgba(0, 0, 0, 0.5);
    margin-bottom: 2rem;
    animation: fadeInUp 1s ease-out 0.2s both;
}

.highlight-number {
    font-size: 2.5rem;
    font-weight: 700;
    color: #ffd700;
    text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.5);
    display: block;
    margin-bottom: 0.5rem;
    animation: fadeInUp 1s ease-out 0.4s both;
}

.hero-section .col-md-4 {
    text-align: center;
    margin-bottom: 1rem;
}

.hero-section .col-md-4 p {
    font-size: 1.1rem;
    font-weight: 400;
    margin: 0;
    opacity: 0.9;
}

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

/* 章节标题样式 */
.section-title {
    font-size: 2.5rem;
    font-weight: 700;
    color: #2c3e50;
    margin-bottom: 3rem;
    position: relative;
    padding-bottom: 1rem;
}

.section-title::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 80px;
    height: 4px;
    background: linear-gradient(90deg, #667eea, #764ba2);
    border-radius: 2px;
}

/* 特色卡片样式 */
.feature-card {
    border: none;
    border-radius: 15px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
    transition: all 0.3s ease;
    overflow: hidden;
}

.feature-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.15);
}

.feature-card .card-body {
    padding: 2rem;
}

.feature-card .card-title {
    color: #2c3e50;
    font-weight: 600;
    font-size: 1.3rem;
    margin-bottom: 1.5rem;
}

.feature-card ul li {
    padding: 0.5rem 0;
    border-bottom: 1px solid #f8f9fa;
    font-size: 1rem;
    line-height: 1.6;
}

.feature-card ul li:last-child {
    border-bottom: none;
}

/* 卖点样式 */
.selling-point {
    background: #fff;
    border-radius: 15px;
    padding: 2rem;
    margin-bottom: 2rem;
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.08);
    border-left: 5px solid #667eea;
    transition: all 0.3s ease;
}

.selling-point:hover {
    transform: translateX(10px);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.12);
}

.selling-point h4 {
    color: #2c3e50;
    font-weight: 600;
    margin-bottom: 1rem;
    font-size: 1.4rem;
}

.selling-point p {
    color: #5a6c7d;
    line-height: 1.7;
    margin-bottom: 1rem;
}

.selling-point h6 {
    color: #667eea;
    font-weight: 600;
    margin-bottom: 0.8rem;
    font-size: 1.1rem;
}

/* 户型样式 */
.unit-type {
    background: #fff;
    border-radius: 12px;
    padding: 1.5rem;
    margin-bottom: 1.5rem;
    box-shadow: 0 3px 15px rgba(0, 0, 0, 0.06);
    border: 1px solid #e9ecef;
    transition: all 0.3s ease;
}

.unit-type:hover {
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.1);
    border-color: #667eea;
}

.unit-type h5,
.unit-type h6 {
    color: #2c3e50;
    font-weight: 600;
    margin-bottom: 1rem;
}

.unit-type p strong {
    color: #e74c3c;
    font-size: 1.1rem;
}

.unit-type ul {
    list-style: none;
    padding-left: 0;
}

.unit-type ul li {
    padding: 0.3rem 0;
    color: #5a6c7d;
    position: relative;
    padding-left: 1.5rem;
}

.unit-type ul li::before {
    content: '✓';
    position: absolute;
    left: 0;
    color: #28a745;
    font-weight: bold;
}

/* 政策项目样式 */
.policy-item {
    background: #fff;
    border-radius: 10px;
    padding: 1.5rem;
    margin-bottom: 1.5rem;
    box-shadow: 0 3px 12px rgba(0, 0, 0, 0.05);
    border-left: 4px solid #28a745;
}

.policy-item h5 {
    color: #2c3e50;
    font-weight: 600;
    margin-bottom: 1rem;
}

.policy-item ul {
    list-style: none;
    padding-left: 0;
}

.policy-item ul li {
    padding: 0.4rem 0;
    color: #5a6c7d;
    position: relative;
    padding-left: 1.2rem;
}

.policy-item ul li::before {
    content: '•';
    position: absolute;
    left: 0;
    color: #28a745;
    font-weight: bold;
}

/* 响应式设计 */
@media (max-width: 768px) {
    .hero-section h1 {
        font-size: 2.5rem;
    }
    
    .hero-section .lead {
        font-size: 1.2rem;
    }
    
    .highlight-number {
        font-size: 2rem;
    }
    
    .section-title {
        font-size: 2rem;
    }
    
    .selling-point {
        padding: 1.5rem;
    }
    
    .selling-point:hover {
        transform: none;
    }
}

/* 背景渐变 */
.bg-gradient {
    background: linear-gradient(135deg, #f5f7fa 0%, #c3cfe2 100%);
}

/* 导航栏样式增强 */
.navbar {
    background: rgba(255, 255, 255, 0.95) !important;
    backdrop-filter: blur(10px);
    box-shadow: 0 2px 20px rgba(0, 0, 0, 0.1);
}

.navbar-brand {
    font-weight: 700;
    color: #2c3e50 !important;
    font-size: 1.5rem;
}

.navbar-nav .nav-link {
    color: #2c3e50 !important;
    font-weight: 500;
    transition: color 0.3s ease;
}

.navbar-nav .nav-link:hover {
    color: #667eea !important;
}