/* 基础样式 */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

a{
    text-decoration: none;
}
body {
    font-family: 'Arial', sans-serif;
    line-height: 1.6;
    color: #333;
}

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

/* 导航条样式 */
.navbar {
    background: #10B981;
    padding: 1rem 0;
    position: fixed;
    width: 100%;
    top: 0;
    z-index: 1000;
    box-shadow: 0 2px 10px rgba(16, 185, 129, 0.3);
}

.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.nav-logo h2 {
    color: white;
    font-size: 1.8rem;
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: 2rem;
}

.nav-link {
    color: white;
    text-decoration: none;
    padding: 0.5rem 1rem;
    border-radius: 5px;
    transition: background 0.3s;
}

.nav-link:hover, .nav-link.active {
    background: #34D399;
}

.hamburger {
    display: none;
    flex-direction: column;
    cursor: pointer;
}

.bar {
    width: 25px;
    height: 3px;
    background: white;
    margin: 3px 0;
    transition: 0.3s;
}

/* 主要内容区域 - 减少section之间的间隔 */
.section {
    display: block;
    min-height: 60vh;  /* 减少最小高度 */
    padding-top: 60px;  /* 减少顶部内边距 */
    padding-bottom: 40px;  /* 添加底部内边距 */
}

/* 首页英雄区域 */
.hero {
    background: linear-gradient(135deg, #10B981 0%, #34D399 100%);
    color: white;
    text-align: center;
    padding: 60px 20px;  /* 减少内边距 */
}

.hero-content h1 {
    font-size: 2.5rem;  /* 稍微减小字体大小 */
    margin-bottom: 0.8rem;  /* 减少底部外边距 */
}

.hero-content p {
    font-size: 1.1rem;  /* 稍微减小字体大小 */
    margin-bottom: 1.5rem;  /* 减少底部外边距 */
}

.cta-button {
    background: #6EE7B7;
    color: #065F46;
    border: none;
    padding: 12px 25px;  /* 减少按钮内边距 */
    font-size: 1rem;
    border-radius: 5px;
    cursor: pointer;
    transition: background 0.3s;
    font-weight: bold;
}

.cta-button:hover {
    background: #A7F3D0;
}

/* 功能区域 */
.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));  /* 调整最小宽度 */
    gap: 1.5rem;  /* 减少网格间距 */
    margin-top: 2rem;  /* 减少顶部外边距 */
}

.feature-card {
    background: white;
    padding: 1.5rem;  /* 减少卡片内边距 */
    border-radius: 10px;
    box-shadow: 0 5px 15px rgba(16, 185, 129, 0.1);
    text-align: center;
    transition: transform 0.3s;
    border: 2px solid #10B981;
}

.feature-card:hover {
    transform: translateY(-3px);  /* 减小悬停移动距离 */
    border-color: #34D399;
    box-shadow: 0 8px 20px rgba(52, 211, 153, 0.2);
}

.feature-card h3 {
    color: #10B981;
    margin-bottom: 0.8rem;  /* 减少底部外边距 */
}

.feature-card p {
    color: #666;
    font-size: 0.95rem;  /* 稍微减小字体大小 */
}

/* 资源区域 */
.resources-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));  /* 调整最小宽度 */
    gap: 1.5rem;  /* 减少网格间距 */
    margin-top: 2rem;  /* 减少顶部外边距 */
}

.resource-item {
    background: linear-gradient(135deg, #F0FDF4 0%, #D1FAE5 100%);
    padding: 1.5rem;  /* 减少内边距 */
    border-radius: 10px;
    text-align: center;
    border: 2px solid #6EE7B7;
    transition: transform 0.3s;
}

.resource-item:hover {
    transform: translateY(-2px);  /* 减小悬停移动距离 */
    border-color: #A7F3D0;
}

.resource-item h3 {
    color: #34D399;
    margin-bottom: 0.8rem;  /* 减少底部外边距 */
}

/* 定价区域 */
.pricing-cards {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));  /* 调整最小宽度 */
    gap: 1.5rem;  /* 减少网格间距 */
    margin-top: 2rem;  /* 减少顶部外边距 */
}

.pricing-card {
    background: white;
    padding: 1.5rem;  /* 减少内边距 */
    border-radius: 10px;
    box-shadow: 0 5px 15px rgba(16, 185, 129, 0.1);
    text-align: center;
    border: 2px solid #10B981;
    transition: transform 0.3s;
}

.pricing-card:hover {
    transform: translateY(-3px);  /* 减小悬停移动距离 */
}

.pricing-card.featured {
    border-color: #6EE7B7;
    transform: scale(1.03);  /* 减小特色卡片缩放 */
    background: linear-gradient(135deg, #F0FDF4 0%, #D1FAE5 100%);
}

.pricing-card.featured:hover {
    transform: scale(1.03) translateY(-3px);  /* 减小悬停移动距离 */
}

.price {
    font-size: 1.8rem;  /* 减小价格字体大小 */
    color: #10B981;
    margin: 0.8rem 0;  /* 减少外边距 */
    font-weight: bold;
}

.pricing-card ul {
    list-style: none;
    margin: 0.8rem 0;  /* 减少外边距 */
}

.pricing-card li {
    padding: 0.4rem 0;  /* 减少内边距 */
    border-bottom: 1px solid #f0f0f0;
    color: #666;
    font-size: 0.95rem;  /* 稍微减小字体大小 */
}

.pricing-btn {
    background: #10B981;
    color: white;
    border: none;
    padding: 8px 16px;  /* 减少按钮内边距 */
    border-radius: 5px;
    cursor: pointer;
    width: 100%;
    margin-top: 0.8rem;  /* 减少顶部外边距 */
    transition: background 0.3s;
    font-size: 0.95rem;  /* 稍微减小字体大小 */
}

.pricing-btn:hover {
    background: #34D399;
}

.pricing-card.featured .pricing-btn {
    background: #6EE7B7;
    color: #065F46;
}

.pricing-card.featured .pricing-btn:hover {
    background: #A7F3D0;
}

/* 联系区域 */
.contact-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 2rem;  /* 减少网格间距 */
    margin-top: 2rem;  /* 减少顶部外边距 */
}

.contact-info {
    background: linear-gradient(135deg, #F0FDF4 0%, #D1FAE5 100%);
    padding: 1.5rem;  /* 减少内边距 */
    border-radius: 10px;
    border: 2px solid #6EE7B7;
}

.contact-info h3 {
    color: #34D399;
    margin-bottom: 0.8rem;  /* 减少底部外边距 */
}

.contact-info p {
    margin: 0.4rem 0;  /* 减少外边距 */
    color: #666;
    font-size: 0.95rem;  /* 稍微减小字体大小 */
}

.contact-form {
    display: flex;
    flex-direction: column;
    gap: 0.8rem;  /* 减少表单元素间距 */
}

.contact-form input,
.contact-form textarea {
    padding: 0.8rem;  /* 减少内边距 */
    border: 2px solid #10B981;
    border-radius: 5px;
    font-size: 0.95rem;  /* 稍微减小字体大小 */
    transition: border-color 0.3s;
}

.contact-form input:focus,
.contact-form textarea:focus {
    outline: none;
    border-color: #34D399;
}

.contact-form button {
    background: #6EE7B7;
    color: #065F46;
    border: none;
    padding: 0.8rem;  /* 减少内边距 */
    border-radius: 5px;
    cursor: pointer;
    transition: background 0.3s;
    font-weight: bold;
    font-size: 0.95rem;  /* 稍微减小字体大小 */
}

.contact-form button:hover {
    background: #A7F3D0;
}

/* 页脚 */
.footer {
    background: #10B981;
    color: white;
    text-align: center;
    padding: 1.5rem 0;  /* 减少内边距 */
    margin-top: 2rem;  /* 减少顶部外边距 */
}

/* 响应式设计 */
@media (max-width: 768px) {
    .hamburger {
        display: flex;
    }
    
    .nav-menu {
        position: fixed;
        left: -100%;
        top: 70px;
        flex-direction: column;
        background-color: #10B981;
        width: 100%;
        text-align: center;
        transition: 0.3s;
        box-shadow: 0 10px 27px rgba(16, 185, 129, 0.3);
    }
    
    .nav-menu.active {
        left: 0;
    }
    
    .hero-content h1 {
        font-size: 2rem;  /* 移动端进一步减小字体 */
    }
    
    .hero {
        padding: 40px 20px;  /* 移动端减少内边距 */
    }
    
    .contact-content {
        grid-template-columns: 1fr;
        gap: 1.5rem;  /* 移动端减少网格间距 */
    }
    
    .pricing-cards {
        grid-template-columns: 1fr;
        gap: 1.5rem;  /* 移动端减少网格间距 */
    }
    
    .pricing-card.featured {
        transform: scale(1);
    }
    
    .pricing-card.featured:hover {
        transform: translateY(-3px);
    }
    
    /* 移动端进一步减少间距 */
    .section {
        min-height: 50vh;
        padding-top: 50px;
        padding-bottom: 30px;
    }
    
    .features-grid,
    .resources-content,
    .pricing-cards {
        gap: 1rem;
        margin-top: 1.5rem;
    }
    
    .feature-card,
    .resource-item,
    .pricing-card {
        padding: 1rem;
    }
}

/* 添加一些额外的样式增强视觉效果 */
.feature-card:nth-child(2n) {
    border-color: #34D399;
}

.feature-card:nth-child(3n) {
    border-color: #6EE7B7;
}

.feature-card:nth-child(4n) {
    border-color: #A7F3D0;
}

.feature-card:nth-child(5n) {
    border-color: #D1FAE5;
}

.resource-item:nth-child(2n) {
    border-color: #34D399;
}

.resource-item:nth-child(3n) {
    border-color: #A7F3D0;
}

.resource-item:nth-child(4n) {
    border-color: #D1FAE5;
}

/* 动画效果 */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(20px);  /* 减小动画移动距离 */
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.feature-card, .resource-item, .pricing-card {
    animation: fadeInUp 0.6s ease-out;
}

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

::-webkit-scrollbar-track {
    background: #f1f1f1;
}

::-webkit-scrollbar-thumb {
    background: #10B981;
    border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
    background: #34D399;
}

/* 加载动画 */
.loading {
    display: inline-block;
    width: 20px;
    height: 20px;
    border: 3px solid #f3f3f3;
    border-top: 3px solid #10B981;
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

@keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

/* 消息显示样式 */
.message-result {
    display: none;
    margin-top: 20px;
}

.message {
    padding: 15px;
    border-radius: 5px;
    margin: 10px 0;
}

.message.success {
    background-color: #d4edda;
    color: #155724;
    border: 1px solid #c3e6cb;
}

.message.error {
    background-color: #f8d7da;
    color: #721c24;
    border: 1px solid #f5c6cb;
}

.message.info {
    background-color: #d1ecf1;
    color: #0c5460;
    border: 1px solid #bee5eb;
}

.message-result.success {
    background-color: #D1FAE5;
    color: #065F46;
    border: 2px solid #10B981;
}

.message-result.error {
    background-color: #FEE2E2;
    color: #991B1B;
    border: 2px solid #EF4444;
}

/* 联系表单容器样式 */
.contact-form-container {
    position: relative;
}

/* 响应式设计中的消息样式 */
@media (max-width: 768px) {
    .message-result {
        margin-top: 0.8rem;
        padding: 0.8rem;
        font-size: 0.9rem;
    }
}