* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    line-height: 1.6;
    color: #333;
}

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

/* 导航栏 */
.navbar {
    background: linear-gradient(135deg, #2d5016 0%, #4a7c2c 100%);
    padding: 1rem 0;
    position: sticky;
    top: 0;
    z-index: 100;
    box-shadow: 0 2px 5px rgba(0,0,0,0.1);
}

.navbar .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    color: white;
    font-size: 1.5rem;
    font-weight: bold;
    letter-spacing: 1px;
}

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

.nav-links a {
    color: white;
    text-decoration: none;
    transition: opacity 0.3s;
    font-weight: 500;
}

.nav-links a:hover,
.nav-links a.active {
    opacity: 0.8;
    border-bottom: 2px solid #a4d65e;
    padding-bottom: 0.5rem;
}

/* 英雄区 */
.hero {
    background: linear-gradient(135deg, #2d5016 0%, #4a7c2c 100%);
    color: white;
    padding: 6rem 2rem;
    text-align: center;
}

.hero-content h1 {
    font-size: 3rem;
    margin-bottom: 1rem;
    font-weight: bold;
}

.hero-content p {
    font-size: 1.3rem;
    margin-bottom: 0.5rem;
}

.hero-content .subtitle {
    font-size: 1.1rem;
    opacity: 0.9;
    margin-bottom: 2rem;
}

/* 按钮 */
.btn {
    display: inline-block;
    padding: 0.8rem 2rem;
    border-radius: 5px;
    text-decoration: none;
    font-weight: bold;
    transition: all 0.3s;
    cursor: pointer;
    border: none;
    font-size: 1rem;
}

.btn-primary {
    background: #a4d65e;
    color: #2d5016;
}

.btn-primary:hover {
    background: #8bc34a;
    transform: translateY(-2px);
    box-shadow: 0 5px 15px rgba(0,0,0,0.2);
}

.btn-secondary {
    background: #4a7c2c;
    color: white;
    border: 2px solid #a4d65e;
}

.btn-secondary:hover {
    background: #a4d65e;
    color: #2d5016;
}

/* 核心价值 */
.values {
    padding: 4rem 2rem;
    background: #f9f9f9;
}

.values h2 {
    text-align: center;
    font-size: 2.5rem;
    margin-bottom: 3rem;
    color: #2d5016;
}

.values-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
}

.value-card {
    background: white;
    padding: 2rem;
    border-radius: 8px;
    box-shadow: 0 2px 10px rgba(0,0,0,0.1);
    text-align: center;
    transition: transform 0.3s;
}

.value-card:hover {
    transform: translateY(-5px);
}

.value-card h3 {
    color: #4a7c2c;
    margin-bottom: 1rem;
    font-size: 1.5rem;
}

/* 服务预览 */
.services-preview {
    padding: 4rem 2rem;
}

.services-preview h2 {
    text-align: center;
    font-size: 2.5rem;
    margin-bottom: 3rem;
    color: #2d5016;
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 2rem;
    margin-bottom: 2rem;
}

.service-item {
    background: linear-gradient(135deg, #f0f8e8 0%, #e8f5e9 100%);
    padding: 2rem;
    border-radius: 8px;
    border-left: 4px solid #a4d65e;
}

.service-item h3 {
    color: #2d5016;
    margin-bottom: 1rem;
    font-size: 1.3rem;
}

.service-item p {
    color: #555;
    line-height: 1.8;
}

.text-center {
    text-align: center;
}

/* 页面标题 */
.page-header {
    background: linear-gradient(135deg, #2d5016 0%, #4a7c2c 100%);
    color: white;
    padding: 3rem 2rem;
    text-align: center;
}

.page-header h1 {
    font-size: 2.5rem;
    margin-bottom: 1rem;
}

.page-header p {
    font-size: 1.1rem;
    opacity: 0.9;
}

/* 服务详情 */
.services-detail {
    padding: 3rem 2rem;
}

.service-detail-item {
    margin-bottom: 3rem;
    padding: 2rem;
    background: #f9f9f9;
    border-radius: 8px;
}

.service-detail-item h2 {
    color: #2d5016;
    margin-bottom: 1rem;
    font-size: 1.8rem;
}

.service-detail-item p {
    margin-bottom: 1rem;
    color: #555;
}

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

.service-detail-item li {
    padding: 0.5rem 0;
    padding-left: 2rem;
    position: relative;
    color: #555;
}

.service-detail-item li:before {
    content: "✓";
    position: absolute;
    left: 0;
    color: #a4d65e;
    font-weight: bold;
}

/* 关于内容 */
.about-content {
    padding: 3rem 2rem;
}

.about-section {
    margin-bottom: 2.5rem;
    padding: 2rem;
    background: #f9f9f9;
    border-radius: 8px;
}

.about-section h2 {
    color: #2d5016;
    margin-bottom: 1rem;
    font-size: 1.8rem;
}

.about-section p {
    color: #555;
    line-height: 1.8;
    margin-bottom: 1rem;
}

.about-section ul {
    list-style: none;
    padding-left: 0;
}

.about-section li {
    padding: 0.5rem 0;
    padding-left: 2rem;
    position: relative;
    color: #555;
}

.about-section li:before {
    content: "•";
    position: absolute;
    left: 0;
    color: #a4d65e;
    font-weight: bold;
}

/* 联系信息 */
.contact-section {
    padding: 3rem 2rem;
}

.contact-info {
    margin-bottom: 3rem;
}

.contact-info h2 {
    color: #2d5016;
    margin-bottom: 2rem;
    font-size: 1.8rem;
}

.contact-details {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
}

.contact-item {
    background: #f9f9f9;
    padding: 2rem;
    border-radius: 8px;
    text-align: center;
}

.contact-item h3 {
    color: #2d5016;
    margin-bottom: 1rem;
}

.contact-item p {
    color: #555;
    font-size: 1.1rem;
}

.contact-item a {
    color: #4a7c2c;
    text-decoration: none;
}

.contact-item a:hover {
    text-decoration: underline;
}

.contact-message {
    background: linear-gradient(135deg, #f0f8e8 0%, #e8f5e9 100%);
    padding: 2rem;
    border-radius: 8px;
    border-left: 4px solid #a4d65e;
}

.contact-message h2 {
    color: #2d5016;
    margin-bottom: 1rem;
}

.contact-message p {
    color: #555;
}

/* 页脚 */
.footer {
    background: #2d5016;
    color: white;
    text-align: center;
    padding: 2rem;
    margin-top: 3rem;
}

.footer p {
    margin: 0.5rem 0;
}

/* 响应式设计 */
@media (max-width: 768px) {
    .nav-links {
        gap: 1rem;
        font-size: 0.9rem;
    }

    .hero-content h1 {
        font-size: 2rem;
    }

    .hero-content p {
        font-size: 1rem;
    }

    .values h2,
    .services-preview h2 {
        font-size: 2rem;
    }

    .page-header h1 {
        font-size: 1.8rem;
    }

    .service-detail-item h2,
    .about-section h2,
    .contact-info h2,
    .contact-message h2 {
        font-size: 1.5rem;
    }
}

@media (max-width: 480px) {
    .navbar .container {
        flex-direction: column;
        gap: 1rem;
    }

    .nav-links {
        flex-direction: column;
        gap: 0.5rem;
        width: 100%;
    }

    .nav-links a {
        display: block;
        padding: 0.5rem;
    }

    .hero-content h1 {
        font-size: 1.5rem;
    }

    .hero-content p {
        font-size: 0.9rem;
    }

    .btn {
        padding: 0.6rem 1.5rem;
        font-size: 0.9rem;
    }
}