.cases-banner {
    background-image: url('../static/cases/典型案例.png');
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
    color: #fff;
    padding: 130px 0;
    position: relative;
    overflow: hidden;
    display: flex;
    align-items: center;
    box-sizing: border-box;
}

.cases-banner::after {
    content: "";
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-image:
        linear-gradient(rgba(255, 255, 255, 0.03) 1px, transparent 1px),
        linear-gradient(90deg, rgba(255, 255, 255, 0.03) 1px, transparent 1px);
    background-size: 60px 60px;
    pointer-events: none;
}

.cases-banner-title {
    font-size: 60px;
    font-weight: 700;
    margin: 0;
    letter-spacing: 2px;
    text-align: center;
    background: linear-gradient(135deg, #ffffff 0%, #dbeafe 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hzzx-section {
    padding: 0;
    background: #fff;
}

.hzzx-form-wrap {
    background: #fff;
    border-radius: 12px;
    overflow: hidden;
}

.hzzx-frame {
    width: 100%;
    height: 900px;
    border: 0;
    display: block;
}

@media (max-width: 768px) {
    .cases-banner {
        padding: 50px 0;
    }
    .cases-banner-title {
        font-size: 32px;
    }
    .hzzx-frame {
        height: 1100px;
    }
}