.size-guide-body {
    padding: 22px;
    background: #f8fafc;
}

.size-guide-tabs {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 10px;
    margin-bottom: 16px;
}

.size-guide-tabs .nav-link {
    width: 100%;
    min-height: 48px;
    border: 1px solid #bfdbfe;
    border-radius: 10px;
    color: #1d4ed8;
    background: #fff;
    font-weight: 750;
}

.size-guide-tabs .nav-link.active {
    border-color: #2563eb;
    color: #fff;
    background: #2563eb;
}

.size-guide-content {
    padding: 10px;
    border: 1px solid #dbeafe;
    border-radius: 14px;
    background: #fff;
}

.size-guide-image-link {
    display: block;
    overflow: hidden;
    border-radius: 9px;
    cursor: zoom-in;
}

.size-guide-image-link img {
    display: block;
    width: 100%;
    height: auto;
}

.size-guide-note {
    margin: 14px 0 0;
    color: #64748b;
    font-size: .88rem;
    text-align: center;
}

@media (max-width: 575.98px) {
    .size-guide-body { padding: 14px; }
    .size-guide-tabs { grid-template-columns: 1fr; }
}