:root {
    --primary: #006e22;
    --primary-container: #28b446;
    --secondary-container: #ff8a00;
    --tertiary: #bc004b;
    --tertiary-container: #ff6a8b;
    
    --background: #f8faf8;
    --surface: #f8faf8;
    --surface-bright: #f8faf8;
    --surface-dim: #d8dad9;
    --surface-container-lowest: #ffffff;
    --surface-container-low: #f2f4f2;
    --surface-container: #eceeec;
    --surface-container-high: #e6e9e7;
    --surface-container-highest: #e1e3e1;
    --surface-variant: #e1e3e1;
    
    --on-primary: #ffffff;
    --on-primary-container: #003e0f;
    --on-secondary: #ffffff;
    --on-secondary-container: #613100;
    --on-tertiary: #ffffff;
    --on-tertiary-container: #6d0028;
    --on-surface: #191c1b;
    --on-surface-variant: #3e4a3c;
    --on-background: #191c1b;
    
    --outline: #6d7b6a;
    --outline-variant: #bdcbb8;
    
    --text-primary: #191c1b;
    --text-secondary: #3e4a3c;
    --text-muted: #6d7b6a;
    --border-color: #bdcbb8;
    
    --transition-base: 250ms cubic-bezier(0.4, 0, 0.2, 1);
    --transition-bounce: 350ms cubic-bezier(0.34, 1.56, 0.64, 1);
}

body {
    margin: 0;
    padding: 0;
    font-family: 'Arial', sans-serif;
    background-color: #f5f5f5; /* 将背景色改为灰色 */
    /* 移除背景图片相关属性 */
    min-height: 100vh;
    color: #333;
    display: flex;
    flex-direction: column;
}

.container {
    flex: 1;
    display: flex;
    flex-direction: column;
    min-height: 0;
    background-color: rgba(255, 255, 255, 0.9);
}

.header {
    text-align: center;
    padding: 40px 20px 20px;
    background-color: rgba(46, 125, 50, 0.8);
    color: white;
}

.header h1 {
    font-size: 2.5rem;
    margin-bottom: 10px;
    text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.3);
}

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

.main-content {
    flex: 1;
    
    margin: 0 auto;
    padding: 30px 20px;
}

.introduction h2,
.cta-section h2 {
    color: #2E7D32;
    text-align: center;
    margin-bottom: 20px;
}

.introduction p {
    font-size: 1.1rem;
    line-height: 1.6;
    text-align: center;
    margin-bottom: 30px;
}

.features {
    display: flex;
    flex-wrap: wrap;
    justify-content: space-around;
    gap: 20px;
    margin: 30px 0;
}

.feature-item {
    flex: 1;
    min-width: 250px;
    padding: 20px;
    background-color: rgba(255, 255, 255, 0.8);
    border-radius: 8px;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
    text-align: center;
    opacity: 0;
    transform: translateY(30px);
    transition: all 0.8s ease;
}

.feature-item.animate {
    opacity: 1;
    transform: translateY(0);
}

/* 为每个feature-item添加不同的延迟，增加动画层次感 */
.feature-item:nth-child(1).animate {
    transition-delay: 0.1s;
}

.feature-item:nth-child(2).animate {
    transition-delay: 0.2s;
}

.feature-item:nth-child(3).animate {
    transition-delay: 0.3s;
}

/* 响应式布局下的动画延迟调整 */
@media (max-width: 768px) {
    .feature-item:nth-child(1).animate {
        transition-delay: 0.1s;
    }
    
    .feature-item:nth-child(2).animate {
        transition-delay: 0.2s;
    }
    
    .feature-item:nth-child(3).animate {
        transition-delay: 0.3s;
    }
}

/* 项目团队动画效果 */
.team-member {
    opacity: 0;
    transform: translateY(30px);
    transition: all 0.8s ease;
}

.team-member.animate {
    opacity: 1;
    transform: translateY(0);
}

/* 时间轴动画效果 */
.timeline-item {
    opacity: 0;
    transform: translateX(50px);
    transition: all 0.8s ease;
}

.timeline-item.animate {
    opacity: 1;
    transform: translateX(0);
}

/* 偶数时间轴项从左侧滑入 */
.timeline-item:nth-child(even) {
    transform: translateX(-50px);
}

.timeline-item:nth-child(even).animate {
    transform: translateX(0);
}

/* 为团队成员和时间轴项添加延迟动画 */
.team-member:nth-child(1).animate {
    transition-delay: 0.1s;
}

.team-member:nth-child(2).animate {
    transition-delay: 0.2s;
}

.team-member:nth-child(3).animate {
    transition-delay: 0.3s;
}

.team-member:nth-child(4).animate {
    transition-delay: 0.4s;
}

.timeline-item:nth-child(1).animate {
    transition-delay: 0.1s;
}

.timeline-item:nth-child(2).animate {
    transition-delay: 0.2s;
}

.timeline-item:nth-child(3).animate {
    transition-delay: 0.3s;
}

.timeline-item:nth-child(4).animate {
    transition-delay: 0.4s;
}

.timeline-item:nth-child(5).animate {
    transition-delay: 0.5s;
}

/* Container内盒子的悬停效果 */

/* 特性卡片悬停效果 */
.feature-item:hover {
    transform: translateY(-10px);
    box-shadow: 0 10px 20px rgba(0, 0, 0, 0.15);
    background-color: rgba(255, 255, 255, 0.95);
}

/* 团队成员卡片悬停效果 */
.team-member:hover {
    transform: translateY(-10px) scale(1.02);
    box-shadow: 0 15px 25px rgba(0, 0, 0, 0.15);
    background-color: #ffffff;
}

/* 时间轴内容悬停效果 */
.timeline-content:hover {
    transform: translateY(-10px);
    box-shadow: 0 15px 30px rgba(0, 0, 0, 0.2);
    border-color: #4CAF50;
}

/* 时间轴圆点悬停效果 */
.timeline-dot:hover {
    transform: scale(1.3);
    background: #2E7D32;
    box-shadow: 0 0 0 4px #fff, 0 0 15px rgba(76, 175, 80, 0.6);
}

/* 团队头像容器悬停效果 */
.team-avatar-container:hover {
    transform: scale(1.1);
    box-shadow: 0 8px 15px rgba(76, 175, 80, 0.3);
}

/* 所有悬停效果的过渡动画 */
.feature-item, .team-member, .timeline-content, .timeline-dot, .team-avatar-container {
    transition: all 0.3s ease;
}

.feature-item h3 {
    color: #2E7D32;
    margin-top: 0;
}

/* 首页商品分类侧边栏样式 */
.sidebar-header {
    margin-bottom: 16px !important;
}

.sidebar-title {
    font-size: 1.25rem !important;
    font-weight: 800 !important;
    color: var(--on-surface) !important;
    margin-bottom: 4px !important;
}

.sidebar-subtitle {
    font-size: 0.875rem !important;
    color: var(--on-surface-variant) !important;
    opacity: 0.7 !important;
}

.sidebar-categories {
    display: flex !important;
    flex-direction: column !important;
    gap: 4px !important;
}

.sidebar-category {
    display: flex !important;
    align-items: center !important;
    gap: 12px !important;
    padding: 12px 14px !important;
    border-radius: 10px !important;
    color: var(--text-secondary) !important;
    text-decoration: none !important;
    font-weight: 500 !important;
    font-size: 0.9375rem !important;
    transition: all var(--transition-base) !important;
}

.sidebar-category:hover {
    background: var(--surface-container-low) !important;
    transform: translateX(4px) !important;
    color: var(--text-secondary) !important;
}

.sidebar-category.selected {
    background: linear-gradient(135deg, rgba(40, 180, 70, 0.12) 0%, rgba(40, 180, 70, 0.06) 100%) !important;
    color: var(--primary) !important;
    font-weight: 600 !important;
}

.sidebar-category i.fa {
    font-size: 18px !important;
    width: 20px !important;
    text-align: center !important;
}

.cta-section {
    text-align: center;
    margin-top: 40px;
    padding: 30px;
    background-color: rgba(235, 245, 235, 0.7);
    border-radius: 10px;
}

.cta-buttons {
    display: flex;
    justify-content: center;
    gap: 20px;
    flex-wrap: wrap;
}

.btn {
    display: inline-block;
    padding: 12px 30px;
    font-size: 1.1rem;
    text-decoration: none;
    border-radius: 5px;
    transition: all 0.3s ease;
    font-weight: bold;
}

.btn-primary {
    background-color: #2E7D32;
    color: white;
    border: 2px solid #1B5E20;
    box-shadow: 0 4px 0 #1B5E20;
}

.btn-secondary {
    background-color: #4CAF50;
    color: white;
    border: 2px solid #388E3C;
    box-shadow: 0 4px 0 #388E3C;
}

.btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 0 #1B5E20;
}

.btn:active {
    transform: translateY(2px);
    box-shadow: 0 2px 0 #1B5E20;
}

@media (max-width: 768px) {
    .header h1 {
        font-size: 2rem;
    }
    
    .features {
        flex-direction: column;
    }
    
    .cta-buttons {
        flex-direction: column;
        align-items: center;
    }
    
    .btn {
        width: 80%;
        max-width: 250px;
    }
}