/* 首页专用样式 */
:root {
    --primary: #00B140;
    --secondary: #4FC3F7;
    --accent: #FFB74D;
    --light: #F5F7FA;
    --dark: #333333;
}

/* 图片占位符样式 */
.img-placeholder {
    position: relative;
    background-color: var(--light);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--primary);
    overflow: hidden;
}

.img-placeholder::after {
    content: '图片加载中';
    font-size: 14px;
    color: var(--dark);
    opacity: 0.7;
}

/* 英雄区域背景 */
.hero-section {
    background-image: linear-gradient(rgba(0, 0, 0, 0.5), rgba(0, 0, 0, 0.5)), 
                     linear-gradient(45deg, var(--primary) 0%, var(--secondary) 100%);
    background-size: cover;
    background-position: center;
}

/* 路线卡片样式增强 */
.route-card {
    transition: all 0.3s ease;
}

.route-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 20px rgba(0, 0, 0, 0.1);
}

/* 用户评价样式增强 */
.testimonial-card {
    transition: all 0.3s ease;
}

.testimonial-card:hover {
    transform: scale(1.02);
}

/* 响应式调整 */
@media (max-width: 768px) {
    .hero-section {
        padding: 60px 20px;
    }
    
    .section-title {
        font-size: 24px;
    }
}