/* 步骤条容器 */
.vertical-step {
    margin: 0 auto;
}

/* 单个步骤项 */
.step-item {
    position: relative;
    padding-left: 40px;
    padding-bottom: 20px;
    color: #666;
    transition: all 0.3s ease;
}

/* 步骤线（连接两个步骤） */
.step-item::before {
    content: '';
    position: absolute;
    left: 7px;
    top: 17px;
    bottom: -23px;
    width: 1px;
    background-color: #e6e6e6;
    z-index: 1;
}

/* 最后一个步骤移除底部线条 */
.step-item:last-child::before {
    display: none;
}

/* 步骤节点 */
.step-node {
    position: absolute;
    left: 0;
    top: 8px;
    width: 16px;
    height: 16px;
    border-radius: 50%;
    background-color: #fff;
    border: 2px solid #16b777;
    text-align: center;
    line-height: 18px;
    font-size: 12px;
    color: #999;
    z-index: 2;
    transition: all 0.3s ease;
}

/* 步骤标题 */
.step-title {
    font-size: 18px;
    font-weight: 500;
    margin: 16px 0;
    transition: color 0.3s ease;
}

/* 步骤描述 */
.step-desc {
    font-size: 14px;
    color: #5f5f5f;
    line-height: 1.5;
}

/* 已完成状态 */
.step-item.finish {
    color: #52c41a;
}

.step-item.finish .step-node {
    background-color: #52c41a;
    border-color: #52c41a;
    color: #fff;
}

.step-item.finish::before {
    background-color: #52c41a;
}

.step-item.finish .step-title {
    color: #52c41a;
}

.step-item.finish .step-desc {
    color: #73d13d;
}

/* 进行中状态 */
.step-item.process {
    color: #1890ff;
}

.step-item.process .step-node {
    background-color: #1890ff;
    border-color: #1890ff;
    color: #fff;
    transform: scale(1.1);
    box-shadow: 0 0 0 4px rgba(24, 144, 255, 0.1);
}

.step-item.process .step-title {
    color: #1890ff;
    font-weight: 600;
}

.step-item.process .step-desc {
    color: #40a9ff;
}

/* 响应式调整 */
@media (max-width: 768px) {
    body {
        padding: 20px;
    }

    .vertical-step {
        max-width: 100%;
    }
}