.reference-choice { margin: 20px 0; padding: 20px; border: 1px solid var(--line); border-radius: 12px; background: var(--surface); }
.reference-choice > header { display: flex; flex-wrap: wrap; align-items: start; justify-content: space-between; gap: 12px; margin-bottom: 18px; }
.reference-choice h2 { margin: 0 0 8px; font-size: 20px; }
.reference-choice header p, .reference-choice footer p { margin: 6px 0; color: #586174; font-size: 13px; line-height: 1.65; }
.reference-choice-clock { padding: 10px 12px; border-radius: 6px; background: var(--teal-soft); color: #454cc5; font-size: 14px; font-variant-numeric: tabular-nums; }
.reference-choice-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 16px; }
.reference-choice-card { display: flex; flex-direction: column; min-width: 0; border: 1px solid var(--line); border-radius: 10px; overflow: hidden; }
.reference-choice-card.recommended { border: 2px solid #5d63e6; }
.reference-choice-rank { display: flex; flex-wrap: wrap; justify-content: space-between; gap: 6px; padding: 12px; font-size: 13px; }
.reference-choice-rank span { color: #454cc5; }
.reference-choice-cover { width: 100%; height: clamp(150px, 17vw, 245px); border: 0; border-block: 1px solid var(--line); padding: 8px; background: #f4f5f7; cursor: zoom-in; }
.reference-choice-cover img { width: 100%; height: 100%; object-fit: contain; }
.reference-choice-copy { display: flex; flex: 1; flex-direction: column; gap: 10px; padding: 14px; overflow-wrap: anywhere; }
.reference-choice-copy h3 { font-size: 15px; line-height: 1.5; margin: 0; }
.reference-choice-link { display: flex; flex-direction: column; gap: 4px; min-height: 44px; color: #454cc5; text-decoration: underline; }
.reference-choice-link small { display: block; color: #586174; font-size: 11px; }
.reference-choice-copy > small { color: #586174; font-size: 12px; }
.reference-choice-copy p { font-size: 13px; line-height: 1.6; margin: 0; }
.reference-choice-risk { color: #665641; }
.reference-choice-copy > .btn { margin-top: auto; min-height: 44px; width: 100%; white-space: normal; }
.reference-choice-sales { color: #202124; font-size: 15px; }
.reference-choice footer { margin-top: 16px; }
.reference-choice footer .btn { min-height: 44px; margin-top: 8px; }
.reference-choice :focus-visible, .reference-choice-alert:focus-visible { outline: 3px solid #5d63e6; outline-offset: 3px; }
.reference-choice-result { display: flex; flex-direction: column; gap: 10px; margin: 20px 0; padding: 18px; border: 1px solid #b8dcca; background: #f3faf6; border-radius: 10px; line-height: 1.6; }
.reference-choice-result a { color: #454cc5; }
.reference-choice-result span { font-size: 13px; color: #586174; }
.reference-choice-alert { position: fixed; z-index: 24; top: 80px; right: 24px; max-width: 380px; padding: 14px 18px; min-height: 44px; border: 2px solid #5d63e6; border-radius: 10px; background: #fff; color: #343a95; box-shadow: 0 8px 24px #2222; cursor: pointer; line-height: 1.6; text-align: left; }
.reference-choice-alert[hidden] { display: none; }
.reference-diagnostics { margin: 14px 0; padding: 14px 18px; background: var(--surface); border: 1px solid var(--line); border-radius: 8px; }
.reference-diagnostics summary { cursor: pointer; min-height: 28px; line-height: 28px; color: #454cc5; }
.reference-diagnostics li { padding: 12px 0; border-bottom: 1px solid var(--line); font-size: 13px; line-height: 1.6; }
.reference-diagnostics li p { margin: 4px 0; }
.reference-diagnostics a { display: block; color: #454cc5; }
@media (max-width: 1300px) { .reference-choice-grid { gap: 10px; } .reference-choice { padding: 12px; } .reference-choice-copy { padding: 10px; } }