/* Banner 样式 */
.banner-section {
    position: relative;
    margin-top: 60px;
    min-height: calc(100vh - 200px);
    height: 600px;
    overflow: hidden;
}

.banner-bg {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
}

.banner-img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.banner-content {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    display: flex;
    align-items: center;
    background: linear-gradient(90deg, rgba(0, 0, 0, 0.6) 0%, rgba(0, 0, 0, 0.3) 50%, transparent 100%);
}

.banner-text {
    padding-left: 100px;
    color: #fff;
}

.banner-title {
    font-size: 48px;
    font-weight: 700;
    margin-bottom: 10px;
    text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.5);
}

.banner-subtitle {
    font-size: 24px;
    font-weight: 400;
    margin-bottom: 20px;
    opacity: 0.9;
    text-shadow: 1px 1px 3px rgba(0, 0, 0, 0.5);
}

.banner-desc {
    font-size: 18px;
    margin-bottom: 30px;
    opacity: 0.85;
    text-shadow: 1px 1px 2px rgba(0, 0, 0, 0.5);
}

.banner-btn {
    padding: 12px 40px;
    font-size: 18px;
    font-weight: 600;
    border-radius: 5px;
    /* background-color: #0066cc;
    border-color: #0066cc; */
    transition: all 0.3s ease;
    text-decoration: none;
    display: inline-block;
    /*  */
    background-color: #000;
    border: none;
}

.banner-btn:hover {
    /* background-color: #0052a3;
    border-color: #0052a3; */
    background-color: #000;
    transform: translateY(-2px);
    box-shadow: 0 4px 15px rgba(0, 102, 204, 0.4);
}

/* 响应式 */
@media (max-width: 768px) {
    .banner-section {
        height: 450px;
    }

    .banner-text {
        padding-left: 20px;
        padding-right: 20px;
    }

    .banner-title {
        font-size: 32px;
    }

    .banner-subtitle {
        font-size: 18px;
    }

    .banner-desc {
        font-size: 16px;
    }
}