.guide-h-16 {
        margin-top: 0;
        font-size: var(--font-size-base);
    }

    .guide-title-24 {
        font-size: var(--font-size-3xl);
        margin: 12px 0;
    }

    .guide-list {
        margin: var(--spacing-sm) 0 0 0;
        padding-left: 20px;
    }

    .guide-mt-12 {
        margin-top: 12px;
    }

    .consumption-types-grid {
        display: grid;
        grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
        gap: 16px;
        margin: 16px 0;
    }

    .consumption-card {
        background: var(--color-card-background);
        border: 1px solid var(--color-border);
        border-radius: var(--border-radius-sm);
        padding: 16px;
        border-top: 3px solid var(--color-border);
    }

    .consumption-fixed { border-top-color: var(--color-info); }
    .consumption-counters { border-top-color: var(--color-success); }
    .consumption-incurred { border-top-color: var(--color-warning); }
    .consumption-flat-fee { border-top-color: var(--color-primary); }

    .consumption-header {
        display: flex;
        align-items: center;
        gap: var(--spacing-sm);
        margin-bottom: 10px;
    }

    .consumption-icon { font-size: var(--font-size-2xl, 22px); }

    .consumption-header h3 {
        margin: 0;
        color: var(--color-secondary);
        font-size: var(--font-size-sm, 14px);
    }

    .consumption-card p {
        color: var(--color-text);
        line-height: 1.6;
        margin-bottom: 10px;
        font-size: var(--font-size-xs, 12px);
    }

    .consumption-example {
        background: var(--color-background);
        border-left: 3px solid var(--color-border);
        padding: var(--spacing-sm) var(--spacing-sm);
        border-radius: 4px;
        font-size: var(--font-size-xs, 12px);
        color: var(--color-text-secondary);
    }

    .consumption-example strong { color: var(--color-secondary); }

    .why-box {
        background: var(--color-success-bg);
        border-left: 3px solid var(--color-success);
        padding: 12px 16px;
        border-radius: 0 var(--border-radius-sm) var(--border-radius-sm) 0;
        margin: 16px 0;
    }

    .why-box h3 {
        margin: 0 0 var(--spacing-sm);
        font-size: var(--font-size-sm, 14px);
        font-weight: var(--font-weight-semibold, 600);
        color: var(--color-secondary);
    }

    .why-box p {
        margin: 0;
        font-size: var(--font-size-xs, 12px);
        color: var(--color-text-secondary);
        line-height: 1.6;
    }

    .disclaimer-box {
        background: var(--color-warning-bg);
        border-left: 3px solid var(--color-warning);
        padding: 12px 16px;
        border-radius: 0 var(--border-radius-sm) var(--border-radius-sm) 0;
        margin: 16px 0;
        font-size: var(--font-size-xs, 12px);
        color: var(--color-text-secondary);
        line-height: 1.6;
    }

    .disclaimer-box strong { color: var(--color-text); }

    .field-list {
        display: flex;
        flex-direction: column;
        gap: 0;
        border: 1px solid var(--color-border);
        border-radius: var(--border-radius-sm);
        overflow: hidden;
    }

    .field-row {
        display: flex;
        align-items: baseline;
        gap: 16px;
        padding: 10px 14px;
        border-bottom: 1px solid var(--color-border);
        font-size: var(--font-size-sm, 14px);
    }

    .field-row:last-child { border-bottom: none; }
    .field-row:nth-child(odd) { background: var(--color-background); }

    .field-row .field-name {
        font-weight: var(--font-weight-semibold, 600);
        color: var(--color-primary);
        white-space: nowrap;
        font-family: monospace;
        font-size: var(--font-size-xs, 12px);
        min-width: 180px;
        flex-shrink: 0;
    }

    .field-row .field-desc {
        color: var(--color-text);
        font-size: var(--font-size-xs, 12px);
        line-height: 1.5;
    }

    @media (max-width: 575px) {
        .field-row { flex-direction: column; gap: 4px; }
        .field-row .field-name { min-width: auto; }
    }

    .field-group-grid {
        display: grid;
        grid-template-columns: 1fr 1fr;
        gap: var(--spacing-sm);
    }

    @media (max-width: 575px) {
        .field-group-grid { grid-template-columns: 1fr; }
    }

    .field-item {
        display: flex;
        align-items: baseline;
        gap: var(--spacing-sm);
        padding: var(--spacing-sm) var(--spacing-sm);
        background: var(--color-background);
        border-radius: 4px;
        font-size: var(--font-size-sm, 14px);
    }

    .field-item .field-name {
        font-weight: var(--font-weight-semibold, 600);
        color: var(--color-secondary);
        white-space: nowrap;
    }

    .field-item .field-desc {
        color: var(--color-text-secondary);
        font-size: var(--font-size-xs, 12px);
    }

    .periods-grid {
        display: flex;
        flex-direction: column;
        gap: var(--spacing-sm);
        margin: 12px 0;
    }

    .period-item {
        display: flex;
        align-items: center;
        gap: 12px;
        padding: var(--spacing-sm) 12px;
        background: var(--color-background);
        border-radius: var(--border-radius-sm);
    }

    .period-desc {
        color: var(--color-text);
        font-size: var(--font-size-xs, 12px);
        line-height: 1.5;
    }

    .timing-list {
        display: flex;
        flex-direction: column;
        gap: 0;
        border: 1px solid var(--color-border);
        border-radius: var(--border-radius-sm);
        overflow: hidden;
        margin-top: 12px;
    }

    .timing-row {
        display: flex;
        align-items: baseline;
        gap: 16px;
        padding: 10px 14px;
        border-bottom: 1px solid var(--color-border);
        font-size: var(--font-size-sm, 14px);
    }

    .timing-row:last-child { border-bottom: none; }
    .timing-row:nth-child(odd) { background: var(--color-background); }

    .timing-row .timing-name {
        font-weight: var(--font-weight-semibold, 600);
        color: var(--color-secondary);
        white-space: nowrap;
        font-size: var(--font-size-xs, 12px);
        min-width: 160px;
        flex-shrink: 0;
    }

    .timing-row .timing-desc {
        color: var(--color-text);
        font-size: var(--font-size-xs, 12px);
        line-height: 1.5;
    }

    .provider-types {
        display: grid;
        grid-template-columns: 1fr 1fr;
        gap: 12px;
        margin: 16px 0;
    }

    @media (max-width: 575px) {
        .provider-types { grid-template-columns: 1fr; }
    }

    .provider-type {
        background: var(--color-card-background);
        border: 1px solid var(--color-border);
        border-radius: var(--border-radius-sm);
        padding: 14px;
    }

    .provider-header {
        display: flex;
        align-items: center;
        gap: var(--spacing-sm);
        margin-bottom: var(--spacing-sm);
    }

    .provider-icon { font-size: var(--font-size-2xl, 22px); }

    .provider-header h3 {
        margin: 0;
        color: var(--color-secondary);
        font-size: var(--font-size-sm, 14px);
    }

    .provider-type p {
        color: var(--color-text-secondary);
        line-height: 1.5;
        margin: 0;
        font-size: var(--font-size-xs, 12px);
    }

    .collapsible-header {
        display: flex;
        align-items: center;
        justify-content: space-between;
        cursor: pointer;
        user-select: none;
        padding: 12px 16px;
        background: var(--color-background);
        border-radius: var(--border-radius-sm);
        margin-top: 16px;
        transition: background 0.2s;
    }

    .collapsible-header:hover { background: var(--color-info-bg); }

    .collapsible-header h3 {
        margin: 0;
        font-size: var(--font-size-sm, 14px);
        font-weight: var(--font-weight-semibold, 600);
        color: var(--color-secondary);
        display: flex;
        align-items: center;
        gap: var(--spacing-sm);
    }

    .collapsible-arrow {
        font-size: var(--font-size-xs, 12px);
        color: var(--color-text-secondary);
        transition: transform 0.2s;
    }

    .collapsible-content {
        display: none;
        padding: 16px 0 0 0;
    }

    .collapsible.open .collapsible-content { display: block; }
    .collapsible.open .collapsible-arrow { transform: rotate(90deg); }

    .mt-section { margin-top: 20px; }

    .guide-next-step {
        display: flex;
        align-items: center;
        justify-content: space-between;
        flex-wrap: wrap;
        gap: 12px;
    }

    .guide-next-step-label {
        color: var(--color-text-secondary);
        font-size: var(--font-size-sm, 14px);
    }

    @media (max-width: 800px) {
        .consumption-types-grid { grid-template-columns: 1fr; }
    }
.guide-nav-row { display: flex; justify-content: space-between; gap: 12px; margin-top: 32px; }