/* 容器样式 */
    .delivery-timeline-wrapper {
        font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
        margin: 20px 0;
        padding: 10px;
        width: 100%;
        box-sizing: border-box;
    }

    /* 进度条主轨道 */
    .timeline-track {
        display: flex;
        justify-content: space-between;
        position: relative;
        padding-top: 40px; /* 为图标留出空间 */
    }

    /* 中间的连接横线 */
    .timeline-track::before {
        content: '';
        position: absolute;
        top: 55px; /* 调整线条高度，使其穿过圆点 */
        left: 10%;
        right: 10%;
        height: 2px;
        background-color: #000;
        z-index: 1;
    }

    /* 每个步骤的样式 */
    .timeline-step {
        flex: 1;
        text-align: center;
        position: relative;
        z-index: 2;
    }

    /* 图标圆圈 */
    .step-icon {
        width: 32px;
        height: 32px;
        background: #fff;
        border: 2px solid #000;
        border-radius: 50%;
        display: flex;
        align-items: center;
        justify-content: center;
        margin: 0 auto 10px;
        font-size: 16px;
    }

    /* 日期和文字 */
    .step-date {
        font-weight: bold;
        font-size: 13px;
        margin-bottom: 4px;
        color: #000;
    }

    .step-label {
        font-size: 12px;
        color: #666;
    }

    /* --- 移动端自适应关键代码 --- */
    @media (max-width: 480px) {
        .step-date {
            font-size: 11px; /* 手机端缩小字号防止换行 */
        }
        .step-label {
            font-size: 10px;
        }
        .step-icon {
            width: 28px;
            height: 28px;
            font-size: 14px;
        }
        .timeline-track::before {
            top: 53px; /* 适配缩小的图标 */
        }
    }