/* 全局样式 */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Microsoft JhengHei', '微軟正黑體', Arial, sans-serif;
    line-height: 1.6;
    color: #333;
    background-color: #f8f9fa;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

/* 主内容区域 */
.main-content {
    flex: 1;
    max-width: 1200px;
    width: 100%;
    margin: 0 auto;
    padding: 60px 20px 40px;
}

/* 页面标题 */
.page-title {
    font-size: 2.5rem;
    font-weight: 700;
    color: #1a1a1a;
    margin-bottom: 40px;
    text-align: center;
    position: relative;
    padding-bottom: 20px;
}

.page-title::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 80px;
    height: 4px;
    background: linear-gradient(90deg, #0066cc, #00a8ff);
    border-radius: 2px;
}

/* 内容区域 */
.content-section {
    background: #ffffff;
    border-radius: 12px;
    padding: 40px;
    box-shadow: 0 2px 12px rgba(0, 0, 0, 0.08);
    margin-bottom: 30px;
}

.content-section h2 {
    font-size: 1.8rem;
    font-weight: 600;
    color: #0066cc;
    margin-bottom: 20px;
    margin-top: 30px;
}

.content-section h2:first-child {
    margin-top: 0;
}

.content-section h3 {
    font-size: 1.4rem;
    font-weight: 600;
    color: #333;
    margin-top: 25px;
    margin-bottom: 15px;
}

.content-section p {
    font-size: 1rem;
    line-height: 1.8;
    color: #555;
    margin-bottom: 15px;
    text-align: justify;
}

.content-section ul {
    margin-left: 20px;
    margin-bottom: 15px;
}

.content-section li {
    font-size: 1rem;
    line-height: 1.8;
    color: #555;
    margin-bottom: 10px;
}

/* 公司信息卡片 */
.company-info {
    background: linear-gradient(135deg, #0066cc 0%, #00a8ff 100%);
    color: #ffffff;
    border-radius: 12px;
    padding: 30px;
    margin-bottom: 30px;
    box-shadow: 0 4px 20px rgba(0, 102, 204, 0.2);
}

.company-info h2 {
    color: #ffffff;
    font-size: 1.8rem;
    margin-bottom: 20px;
}

.company-info p {
    color: #ffffff;
    font-size: 1rem;
    margin-bottom: 10px;
    opacity: 0.95;
}

.company-info strong {
    font-weight: 600;
    opacity: 1;
}

/* 联系信息样式 */
.contact-info {
    background: #ffffff;
    border-radius: 12px;
    padding: 40px;
    box-shadow: 0 2px 12px rgba(0, 0, 0, 0.08);
}

.contact-item {
    margin-bottom: 25px;
    padding-bottom: 25px;
    border-bottom: 1px solid #e9ecef;
}

.contact-item:last-child {
    border-bottom: none;
    margin-bottom: 0;
    padding-bottom: 0;
}

.contact-item label {
    display: block;
    font-weight: 600;
    color: #0066cc;
    font-size: 1rem;
    margin-bottom: 8px;
}

.contact-item .value {
    font-size: 1.1rem;
    color: #333;
    word-break: break-all;
}

.contact-item a {
    color: #0066cc;
    text-decoration: none;
    transition: color 0.3s ease;
}

.contact-item a:hover {
    color: #00a8ff;
    text-decoration: underline;
}

/* 底部导航 */
.footer {
    background: #1a1a1a;
    color: #ffffff;
    padding: 40px 20px 30px;
    margin-top: auto;
}

.footer-content {
    max-width: 1200px;
    margin: 0 auto;
}

.footer-nav {
    display: flex;
    justify-content: center;
    flex-wrap: wrap;
    gap: 20px;
    margin-bottom: 25px;
    padding-bottom: 25px;
    border-bottom: 1px solid #333;
}

.footer-nav a {
    color: #ffffff;
    text-decoration: none;
    font-size: 1rem;
    transition: color 0.3s ease;
    padding: 5px 10px;
}

.footer-nav a:hover {
    color: #00a8ff;
}

.footer-copyright {
    text-align: center;
    font-size: 0.9rem;
    color: #cccccc;
    margin-bottom: 20px;
}

.footer-company-info {
    text-align: center;
    font-size: 0.85rem;
    color: #aaaaaa;
    line-height: 1.8;
}

/* 响应式设计 */
@media (max-width: 768px) {
    .main-content {
        padding: 40px 15px 30px;
    }

    .page-title {
        font-size: 2rem;
        margin-bottom: 30px;
    }

    .content-section {
        padding: 25px 20px;
    }

    .content-section h2 {
        font-size: 1.5rem;
    }

    .company-info {
        padding: 25px 20px;
    }

    .contact-info {
        padding: 25px 20px;
    }

    .footer-nav {
        flex-direction: column;
        gap: 10px;
        text-align: center;
    }

    .footer-company-info {
        font-size: 0.75rem;
    }
}