.psv-wrapper {
    width: 100%;
    --psv-row-gap: 48px;
    --psv-circle-size: 56px;
}

.psv-track {
    display: flex;
    flex-direction: column;
    gap: var(--psv-row-gap);
}

.psv-wrap {
    display: flex;
    width: 100%;
}

.psv-row {
    display: flex;
    align-items: flex-start;
    gap: 32px;
    width: 100%;
}

.psv-side-left  .psv-row { flex-direction: row; }
.psv-side-right .psv-row { flex-direction: row-reverse; }

.psv-col-number {
    width: 80px;
    flex-shrink: 0;
    display: flex;
    flex-direction: column;
    align-items: center;
    position: relative;
}

.psv-number {
    width: var(--psv-circle-size);
    height: var(--psv-circle-size);
    border-radius: 50%;
    border: 2px solid #4361ee;
    background-color: transparent;
    color: #4361ee;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 16px;
    font-weight: 600;
    line-height: 1;
    flex-shrink: 0;
    box-sizing: border-box;
    position: relative;
    z-index: 1;
}

.psv-vline {
    position: absolute;
    top: var(--psv-circle-size);
    left: 50%;
    transform: translateX(-50%);
    width: 2px;
    height: var(--psv-row-gap);
    background-color: #666666;
    z-index: 0;
}

.psv-col-content {
    flex: 1 1 0;
    min-width: 0;
    padding-top: 12px;
}

.psv-title {
    margin: 0 0 8px 0;
    font-size: 18px;
    font-weight: 700;
    line-height: 1.3;
    color: inherit;
}

.psv-desc {
    margin: 0;
    font-size: 14px;
    line-height: 1.7;
    color: #666;
}

@media (max-width: 767px) {
    .psv-wrapper {
        --psv-row-gap: 32px;
        --psv-circle-size: 44px;
    }

    .psv-track {
        gap: var(--psv-row-gap);
    }

    .psv-row {
        gap: 20px;
    }

    .psv-col-number {
        width: 48px;
    }

    .psv-number {
        width: var(--psv-circle-size);
        height: var(--psv-circle-size);
        font-size: 14px;
    }

    .psv-col-content {
        padding-top: 8px;
    }

    .psv-title { font-size: 16px; }
    .psv-desc  { font-size: 13px; }

    .psv-side-right .psv-row {
        flex-direction: row;
    }
}