.investment-column { max-width: 52rem; margin-inline: auto; }
.investment-column p { line-height: 2; overflow-wrap: anywhere; }
.investment-column section { margin-block: 3rem; scroll-margin-top: 6rem; }
.investment-column h2 { line-height: 1.6; }
.investment-column .column-toc { margin-block: 2rem; padding: 1.25rem; border: 1px solid var(--line, #dedbd5); border-radius: .5rem; }
.investment-column .column-toc li { margin-block: .65rem; line-height: 1.7; }
.investment-column table { width: 100%; }
.investment-column th, .investment-column td { white-space: normal; }
.investment-column footer { margin-top: 3rem; padding-top: 1.5rem; border-top: 1px solid var(--line, #dedbd5); }

.column-header { max-width: 64rem; margin-inline: auto; }
.column-header h1 { line-height: 1.5; font-size: clamp(1.5rem, 3vw, 2.5rem); }
.column-cover { margin: 24px 0 0; }
.column-cover img { display: block; width: 100%; height: auto; }
.column-cover figcaption { color: var(--text-3, #6b7882); font-size: .75rem; margin-top: 8px; }

.amazon-affiliate { margin-block: 3.5rem; padding: clamp(1rem, 3vw, 1.75rem); border: 1px solid var(--line, #dedbd5); border-radius: .75rem; background: color-mix(in srgb, var(--surface, #fff) 94%, var(--gold, #ad8b45)); }
.amazon-affiliate__heading > :last-child { margin-bottom: 0; }
.amazon-affiliate__grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 1rem; margin-top: 1.5rem; }
.amazon-affiliate__item { display: flex; flex-direction: column; padding: 1rem; border: 1px solid var(--line, #dedbd5); border-radius: .6rem; background: var(--surface, #fff); }
.amazon-affiliate__item h3 { margin-top: 0; }
.amazon-affiliate__item p { margin-block: .45rem; line-height: 1.75; }
.amazon-affiliate__item a { align-self: flex-start; margin-top: auto; padding-top: .65rem; font-weight: 700; }
.amazon-affiliate__check { color: var(--text-2, #46515a); font-size: .92rem; }
.amazon-affiliate__disclosure { margin: 1rem 0 0; color: var(--text-3, #6b7882); font-size: .78rem; line-height: 1.7; }
@media (max-width: 640px) { .amazon-affiliate__grid { grid-template-columns: 1fr; } }