/* Knowledge-page additions only. Shared homepage and feature styling is unchanged. */
.spread-explorer { margin: 32px 0 42px; }
.reading-body .spread-explorer h2 { margin-top: 0; }
.reading-body .prose .spread-intro, .reading-body .prose .spread-help { font-size: 14px; color: var(--muted); }
.spread-board { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); grid-template-rows: repeat(4, 96px); gap: 12px 18px; padding: 26px 20px; margin-top: 24px; border-radius: 18px; background: #e8ece1; }
.prose a.spread-place { display: flex; flex-direction: column; justify-content: space-between; align-items: center; justify-self: center; align-self: center; width: 100%; max-width: 86px; height: 96px; box-sizing: border-box; padding: 10px 5px; border: 1px solid #8e9b87; border-radius: 7px; text-align: center; text-decoration: none; background: #fffdf7; color: #354939; box-shadow: 0 2px 5px #3144330b; }
.spread-number { font: 24px/1.1 Georgia, serif; }
.spread-label { font-size: 11px; line-height: 1.35; overflow-wrap: anywhere; }
.prose a.spread-place-1 { grid-area: 2 / 2 / 4 / 3; height: 156px; }
.prose a.spread-place-2 { grid-area: 2 / 2 / 4 / 3; width: 135%; max-width: 116px; height: 48px; flex-direction: row; justify-content: center; gap: 7px; position: relative; z-index: 1; background: #f1e4ce; }
.spread-place-3 { grid-area: 4 / 2; }
.spread-place-4 { grid-area: 2 / 1 / 4 / 2; }
.spread-place-5 { grid-area: 1 / 2; }
.spread-place-6 { grid-area: 2 / 3 / 4 / 4; }
.spread-place-7 { grid-area: 4 / 4; }
.spread-place-8 { grid-area: 3 / 4; }
.spread-place-9 { grid-area: 2 / 4; }
.spread-place-10 { grid-area: 1 / 4; }
.prose a.spread-place[aria-current="true"] { background: #315d49; color: #fffdf7; border-color: #315d49; }
.prose a.spread-place:focus-visible { outline: 3px solid #946c34; outline-offset: 3px; }
.spread-panels { margin-top: 20px; padding: 22px 24px; border-left: 3px solid var(--gold); background: #fffdf7; border-radius: 0 12px 12px 0; }
[data-enhanced="true"] .spread-panels { min-height: 188px; }
.spread-panel[hidden] { display: none; }
.reading-body .spread-panel { margin-top: 0; }
.spread-panel + .spread-panel:not([hidden]) { border-top: 1px solid var(--line); margin-top: 20px; padding-top: 20px; }
[data-enhanced="true"] .spread-panel + .spread-panel { border: 0; margin-top: 0; padding-top: 0; }
.spread-panel h3 { margin: 0 0 14px; font-size: 23px; line-height: 1.5; }
.spread-panel h3 span { color: #876532; font: 17px/1.4 Georgia, serif; margin-right: 8px; }
.reading-body .spread-panel p { margin: 0 0 14px; font-size: 15px; }
.reading-body .spread-panel p:last-child { margin-bottom: 0; }
.reading-body .spread-question { color: #315d49; }
.spread-example-list { padding-left: 26px; }
.spread-example-list li { padding: 12px 0 12px 5px; border-bottom: 1px solid var(--line); }
.spread-example-list p { margin: 8px 0 0; }
.reading-body .spread-example-detail { margin-bottom: 0; }
.knowledge-compare { margin: 26px 0; border: 1px solid var(--line); border-radius: 12px; overflow: hidden; }
.knowledge-compare > div { display: grid; grid-template-columns: minmax(100px, .7fr) minmax(0, 1.6fr); gap: 20px; padding: 18px 20px; }
.knowledge-compare > div:nth-child(odd) { background: #eeece2; }
.knowledge-compare dt { font-weight: 600; }
.knowledge-compare dd { margin: 0; color: #4d594f; font-size: 15px; line-height: 1.8; }
.birth-time-compare { margin: 0; }
.birth-time-compare > div + div { padding-top: 14px; margin-top: 14px; border-top: 1px solid #c9c7b8; }
.birth-time-compare dt { font-size: 15px; font-weight: 600; margin-bottom: 6px; }
.birth-time-compare dd { margin: 0; font-size: 14px; line-height: 1.8; color: #4d594f; }
.reading-body .guide-questions { margin-top: 36px; }
.guide-questions h3 { margin: 0 0 10px; font-size: 20px; line-height: 1.6; }
.guide-questions > div { padding: 20px 0; border-top: 1px solid var(--line); }
.reading-body .guide-questions p { margin: 0; }
.reversal-pair { display: grid; grid-template-columns: 1fr 1fr; gap: 24px; margin: 28px 0; padding: 24px; border-radius: 18px; background: #efe6d7; }
.reversal-pair figure { margin: 0; text-align: center; }
.reversal-pair img { display: block; width: 100%; max-width: 145px; height: auto; margin: 0 auto 18px; border-radius: 6px; }
.reversal-pair .is-reversed { transform: rotate(180deg); }
.reversal-pair figcaption { font-size: 14px; line-height: 1.7; }
.reversal-pair figcaption strong { display: block; margin-bottom: 8px; }
@media (hover: hover) and (pointer: fine) {
  .prose a.spread-place:hover { border-color: #315d49; background: #dfe8d8; color: #243a2c; }
  .prose a.spread-place[aria-current="true"]:hover { background: #315d49; color: #fffdf7; }
}
@media (prefers-reduced-motion: no-preference) {
  .prose a.spread-place { transition: background-color .16s ease, border-color .16s ease, color .16s ease; }
}
@media (max-width: 600px) {
  .spread-board { grid-template-rows: repeat(4, 80px); gap: 10px; padding: 20px 10px; }
  .prose a.spread-place { height: 80px; max-width: 60px; padding: 10px 3px; }
  .prose a.spread-place-1 { height: 148px; }
  .prose a.spread-place-2 { height: 48px; max-width: 80px; }
  .spread-place-2 .spread-label { display: none; }
  .spread-label { font-size: 10px; }
  .spread-panels { padding: 20px; }
  [data-enhanced="true"] .spread-panels { min-height: 235px; }
  .knowledge-compare > div { grid-template-columns: 1fr; gap: 8px; padding: 16px 18px; }
  .reversal-pair { gap: 18px; padding: 20px 16px; }
}