/* 1. 基础样式重置 ----banner页版块 */
    .banner-container, .banner-container h1, .banner-container h3, .banner-container p {
        margin: 0;
        padding: 0;
        box-sizing: border-box;
    }

    :root {
        --primary-color: #0f403f;
        --text-color-light: #ffffff;
    }

    /* 2. Banner 容器样式 */
    .banner-container {
        position: relative;
        width: 100%;
        min-height: 250px;
        color: #ffffff;
        overflow: hidden;
        font-family: Arial, "Helvetica Neue", Helvetica, sans-serif;
    }

    /* 30% 透明黑遮罩，确保文字在亮色背景下清晰 */
    .banner-container::before {
        content: '';
        position: absolute;
        top: 0;
        left: 0;
        width: 100%;
        height: 100%;
        background-color: rgba(0, 0, 0, 0.2);
        z-index: 1;
        pointer-events: none;
    }

    .banner-image {
        display: block;
        width: 100%;
        height: auto;
        min-height: 250px;
        max-height: 600px;
        object-fit: cover;
        object-position: center;
    }

    /* 3. 文字内容区域 */
    .banner-text {
        position: absolute;
        top: 50%;
        left: 50%;
        transform: translate(-50%, -50%);
        z-index: 2;
        max-width: 850px; /* 限制宽度以匹配设计图排版 */
        width: 90%;
        text-align: center;
    }

    .banner-text h1 {
        color: #ffffff !important;
        font-size: clamp(28px, 4vw, 42px);
        font-weight: 700;
        line-height: 1.2;
        margin-bottom: 15px;
    }

    .banner-text h3 {
        font-size: clamp(16px, 2vw, 18px);
        font-weight: 400;
        line-height: 1.5;
        margin-bottom: 25px;
        color: #ffffff;
    }

    /* 4. 按钮样式 */
    .banner-buttons {
        display: flex;
        gap: 15px;
        justify-content: center;
        flex-wrap: wrap;
    }

    .banner-btn {
        display: inline-block;
        padding: 12px 28px;
        font-size: 16px;
        font-weight: 600;
        text-decoration: none;
        border-radius: 4px;
        cursor: pointer;
        transition: background-color 0.3s ease;
        line-height: 1.5;
    }

    .banner-btn.btn-primary {
        background-color: var(--primary-color);
        color: var(--text-color-light);
        border: 2px solid var(--primary-color);
    }

    .banner-btn.btn-primary:hover {
        background-color: #0c3332;
        border-color: #0c3332;
    }

    /* 5. 移动端适配 */
    @media (max-width: 768px) {
        .banner-text {
            width: 95%;
        }
        .banner-buttons {
            flex-direction: column;
            align-items: center;
        }
        .banner-btn {
            width: 80%; /* 移动端按钮加宽 */
            max-width: 300px;
        }
    }