/* 环保页面样式 */
:root {
    --primary-color: #4CAF50;
    --secondary-color: #2E7D32;
    --accent-color: #81C784;
    --text-color: #2C3E50;
    --bg-color: #F1F8E9;
    --card-bg: #FFFFFF;
    --shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
}

/* 环保头部样式 */
.eco-header {
    background: linear-gradient(rgba(76, 175, 80, 0.9), rgba(46, 125, 50, 0.9)), 
                url('https://images.unsplash.com/photo-1542601906990-b4d3fb778b09');
    background-size: cover;
    background-position: center;
    color: white;
    padding: 120px 20px;
    text-align: center;
}

.header-content h1 {
    font-size: 3.5em;
    margin-bottom: 20px;
}

.eco-btn {
    background-color: white;
    color: var(--primary-color);
    padding: 15px 30px;
    border: none;
    border-radius: 25px;
    font-size: 1.2em;
    cursor: pointer;
    transition: all 0.3s ease;
}

.eco-btn:hover {
    transform: translateY(-3px);
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.2);
}

/* 环保数据样式 */
.eco-stats {
    padding: 60px 20px;
    background-color: var(--bg-color);
}

.stats-grid {
    max-width: 1200px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 30px;
    text-align: center;
}

.stat-item {
    background: var(--card-bg);
    padding: 30px;
    border-radius: 15px;
    box-shadow: var(--shadow);
}

.stat-item h3 {
    font-size: 2.5em;
    color: var(--primary-color);
    margin-bottom: 10px;
}

/* 环保项目样式 */
.eco-projects {
    padding: 80px 20px;
}

.eco-projects h2 {
    text-align: center;
    margin-bottom: 50px;
    font-size: 2.5em;
    color: var(--text-color);
}

.projects-grid {
    max-width: 1200px;
    margin: 0 auto;
    display: flex;
    flex-direction: column;
    gap: 60px;
}

.project-card {
    background: var(--card-bg);
    border-radius: 15px;
    overflow: hidden;
}

.project-content {
    display: flex;
    align-items: center;
    gap: 40px;
    padding: 30px;
}

.reverse .project-content {
    flex-direction: row-reverse;
}

.project-content img {
    width: 45%;
    height: 400px;
    object-fit: cover;
    border-radius: 15px;
}

.project-info {
    width: 55%;
    padding: 20px;
}

.eco-label {
    color: var(--primary-color);
    text-transform: uppercase;
    font-size: 0.9em;
    font-weight: 500;
    margin-bottom: 10px;
    display: block;
}

.project-info h3 {
    font-size: 2em;
    margin: 15px 0;
    color: var(--text-color);
}

.project-info p {
    color: #666;
    line-height: 1.6;
    margin-bottom: 20px;
    font-size: 1.1em;
}

.project-btn {
    padding: 12px 25px;
    background-color: transparent;
    color: var(--primary-color);
    border: 2px solid var(--primary-color);
    border-radius: 25px;
    cursor: pointer;
    transition: all 0.3s ease;
    font-weight: 500;
}

.project-btn:hover {
    background-color: var(--primary-color);
    color: white;
    transform: translateY(-3px);
}

/* 环保小贴士样式 */
.eco-tips {
    padding: 80px 20px;
    background-color: var(--bg-color);
}

.eco-tips h2 {
    text-align: center;
    margin-bottom: 50px;
    font-size: 2.5em;
    color: var(--text-color);
}

.tips-grid {
    max-width: 1200px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
}

.tip-card {
    background: var(--card-bg);
    border-radius: 15px;
    overflow: hidden;
    box-shadow: var(--shadow);
    transition: transform 0.3s ease;
}

.tip-card:hover {
    transform: translateY(-10px);
}

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

.tip-card h3 {
    padding: 20px 20px 10px;
    color: var(--text-color);
}

.tip-card p {
    padding: 0 20px 20px;
    color: #666;
}

/* 参与行动样式 */
.join-action {
    padding: 80px 20px;
    background-color: var(--primary-color);
    color: white;
    text-align: center;
}

.action-content {
    max-width: 800px;
    margin: 0 auto;
}

.action-content h2 {
    font-size: 2.5em;
    margin-bottom: 20px;
}

.action-form {
    display: flex;
    gap: 15px;
    max-width: 500px;
    margin: 30px auto 0;
}

.action-form input {
    flex: 1;
    padding: 15px;
    border: none;
    border-radius: 25px;
}

.action-form button {
    padding: 15px 30px;
    background-color: var(--secondary-color);
    color: white;
    border: none;
    border-radius: 25px;
    cursor: pointer;
    transition: all 0.3s ease;
}

/* 响应式设计 */
@media (max-width: 768px) {
    .header-content h1 {
        font-size: 2.5em;
    }

    .project-content {
        flex-direction: column;
        padding: 15px;
    }

    .reverse .project-content {
        flex-direction: column;
    }

    .project-content img {
        width: 100%;
        height: 300px;
    }

    .project-info {
        width: 100%;
        padding: 15px;
        text-align: center;
    }

    .action-form {
        flex-direction: column;
        padding: 0 20px;
    }
}