/* 全局样式 */
body {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
    color: #333;
}

a {
    text-decoration: none;
}

/* 顶部横幅 */
.hero-section {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
}

/* 特色服务卡片 */
.feature-card {
    background: #fff;
    border-radius: 8px;
    transition: all 0.3s ease;
}

.feature-card:hover {
    transform: translateY(-3px);
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.1);
}

.feature-icon {
    font-size: 1.8rem;
    color: #667eea;
}

/* 产品卡片 */
.product-card {
    border: none;
    border-radius: 12px;
    overflow: hidden;
    transition: all 0.3s ease;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.05);
}

.product-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
}

.product-card .card-footer {
    border-top: 1px solid #f0f0f0;
}

/* 产品图标 */
.product-icon {
    width: 60px;
    height: 60px;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.product-icon i {
    font-size: 1.8rem;
    color: #fff;
}

.product-icon-lg {
    width: 70px;
    height: 70px;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    border-radius: 14px;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.product-icon-lg i {
    font-size: 2rem;
    color: #fff;
}

.product-card .card-title {
    font-size: 1.1rem;
    font-weight: 600;
    margin-bottom: 8px;
}

.product-card .card-text {
    font-size: 0.9rem;
    line-height: 1.6;
}

.tech-tags .badge {
    font-weight: normal;
    font-size: 0.75rem;
    border: 1px solid #e0e0e0;
}

/* 价格 */
.price {
    font-size: 1.25rem;
    font-weight: 700;
    color: #dc2626;
}

.price::before {
    content: '\A5';
    font-size: 0.9rem;
}

.price-display .display-5::before {
    content: '\A5';
    font-size: 1.5rem;
}

/* 关于我们统计 */
.about-stat-number {
    font-size: 2rem;
    font-weight: 700;
}

/* 联系卡片 */
.contact-card {
    background: #fff;
    border-radius: 12px;
    transition: all 0.3s ease;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.05);
}

.contact-card:hover {
    transform: translateY(-3px);
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.1);
}

.contact-icon {
    font-size: 2.5rem;
}

/* 详情页侧边栏固定 */
.sticky-sidebar {
    position: sticky;
    top: 80px;
}

/* 响应式调整 */
@media (max-width: 768px) {
    .hero-section {
        padding: 30px 0;
    }

    .hero-section .display-5 {
        font-size: 1.5rem;
    }

    .hero-section .lead {
        font-size: 0.95rem;
    }

    .feature-icon {
        font-size: 1.5rem;
    }

    .feature-card h6 {
        font-size: 0.85rem;
    }

    .product-icon {
        width: 50px;
        height: 50px;
    }

    .product-icon i {
        font-size: 1.5rem;
    }

    .product-card .card-title {
        font-size: 1rem;
    }

    .price {
        font-size: 1.1rem;
    }

    .contact-icon {
        font-size: 2rem;
    }

    .about-stat-number {
        font-size: 1.5rem;
    }

    .sticky-sidebar {
        position: static;
    }
}

@media (max-width: 576px) {
    .btn-lg {
        padding: 10px 20px;
        font-size: 0.9rem;
    }

    .product-card .card-body {
        padding: 15px;
    }

    .product-card .card-footer {
        padding: 12px 15px;
    }
}

/* 滚动条美化 */
::-webkit-scrollbar {
    width: 8px;
    height: 8px;
}

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

::-webkit-scrollbar-thumb {
    background: #c1c1c1;
    border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
    background: #a1a1a1;
}