/* 首页横幅样式 */
.banner {
    background: linear-gradient(rgba(15, 76, 129, 0.8), rgba(15, 76, 129, 0.8)), url("../images/banner-bg.jpg") center top/cover no-repeat;
    color: #fff;
    height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    margin: 0;
    padding: 0;
}

.banner .container {
    width: 100%;
    max-width: 1200px;
    padding: 0 20px;
}

.banner h1 {
    font-size: 2.8rem;
    margin-bottom: 20px;
}

.banner p {
    font-size: 1.2rem;
    margin-bottom: 30px;
}

.banner .btn {
    background-color: var(--secondary-color);
    color: #fff;
    padding: 10px 30px;
    border: none;
    border-radius: 4px;
    font-size: 1rem;
}

/* 产品模块样式 */
.product-section {
    padding: 60px 0;
    background-color: var(--gray-color);
}

.section-title {
    text-align: center;
    margin-bottom: 40px;
}

.section-title h2 {
    color: var(--primary-color);
    font-size: 2rem;
    font-weight: 600;
    position: relative;
    display: inline-block;
}

.section-title h2::after {
    content: "";
    position: absolute;
    bottom: -10px;
    left: 50%;
    transform: translateX(-50%);
    width: 60px;
    height: 3px;
    background-color: var(--secondary-color);
}

.product-card {
    background-color: #fff;
    border-radius: 8px;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
    padding: 20px;
    margin-bottom: 30px;
    transition: transform 0.3s ease;
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
}

.product-card .btn-container {
    display: flex;
    gap: 10px;
    margin-top: 15px;
}

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

.product-card img {
    width: 100%;
    max-width: 200px;
    height: auto;
    max-height: 180px;
    object-fit: contain;
    margin-bottom: 20px;
    border-radius: 4px;
}

.product-card h3 {
    font-size: 1.3rem;
    color: var(--primary-color);
    margin-bottom: 15px;
    width: 100%;
}

.product-card .params {
    font-size: 0.9rem;
    color: var(--light-text);
    margin-bottom: 20px;
    width: 100%;
    line-height: 1.5;
}

.product-card .btn {
    background-color: var(--primary-color);
    color: #fff;
    font-size: 0.9rem;
    padding: 8px 15px;
}

/* 案例模块样式 */
.case-section {
    padding: 60px 0;
}

.case-card {
    border: 1px solid #eee;
    border-radius: 8px;
    overflow: hidden;
    margin-bottom: 30px;
}

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

.case-card .case-content {
    padding: 20px;
}

.case-card h3 {
    font-size: 1.2rem;
    color: var(--primary-color);
    margin-bottom: 10px;
}

.case-card p {
    font-size: 0.9rem;
    color: var(--light-text);
    margin-bottom: 15px;
}

/* 技术支持模块 */
.tech-section {
    padding: 60px 0;
    background-color: var(--gray-color);
}

.tech-card {
    background-color: #fff;
    padding: 30px;
    border-radius: 8px;
    text-align: center;
    margin-bottom: 30px;
    min-height: 280px;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
}

.tech-card i {
    font-size: 2.5rem;
    color: var(--primary-color);
    margin-bottom: 20px;
}

.tech-card h3 {
    font-size: 1.2rem;
    margin-bottom: 15px;
}

/* 联系模块样式 */
.contact-section {
    padding: 60px 0;
}

.contact-info {
    margin-bottom: 30px;
}

.contact-info h3 {
    color: var(--primary-color);
    margin-bottom: 20px;
}

.contact-info p {
    margin-bottom: 10px;
    font-size: 1rem;
}

.contact-info i {
    color: var(--secondary-color);
    margin-right: 10px;
}

.contact-form {
    background-color: var(--gray-color);
    padding: 30px;
    border-radius: 8px;
}

.contact-form .form-control {
    margin-bottom: 20px;
    border: 1px solid #ddd;
}

.contact-form .btn {
    background-color: var(--primary-color);
    color: #fff;
    width: 100%;
    padding: 10px;
}

/* 首页响应式适配 */
@media (max-width: 768px) {
    .banner h1 {
        font-size: 2rem;
    }

    .banner p {
        font-size: 1rem;
    }

    .product-card img,
    .case-card img {
        height: 150px;
    }
}