.wuyi-letter-panel {
  margin: clamp(28px, 5vw, 76px) auto;
  padding: clamp(24px, 3.6vw, 52px);
  width: min(1380px, calc(100% - 48px));
  color: #f5ecd9;
  border: 1px solid rgba(215, 179, 116, .35);
  background: linear-gradient(145deg, rgba(24, 38, 37, .97), rgba(11, 27, 28, .97));
  box-shadow: 0 24px 65px rgba(0, 0, 0, .22);
}
.wuyi-letter-map-panel {width: min(1440px, 100%); margin: 36px auto 4vh;}
.official-map-actions {flex-wrap: wrap; gap: 8px 20px;}
.wuyi-letter-jump {display: block; margin: 20px auto 26px; padding: 13px 22px; border: 1px solid rgba(211, 172, 105, .7); background: rgba(128, 70, 45, .18); color: #efd2a4; letter-spacing: .03em;}
.wuyi-letter-jump:hover, .wuyi-letter-jump:focus-visible {background: rgba(128, 70, 45, .36);}
.wl-header {max-width: 850px; margin-bottom: 28px;}
.wl-header > span, .wl-record-copy small, .wl-reference small, .wl-quiz > small {
  color: #d3ac69; letter-spacing: .12em; font-size: 12px;
}
.wl-header h3 {font-family: var(--serif, serif); font-size: clamp(29px, 3.1vw, 47px); font-weight: 500; margin: 12px 0; line-height: 1.3;}
.wl-header p {color: #d8d4c8; line-height: 1.85; font-size: clamp(15px, 1.25vw, 18px); margin: 0;}
.wl-record-grid {display: grid; grid-template-columns: repeat(auto-fit, minmax(min(100%, 430px), 1fr)); gap: 22px;}
.wl-record {display: grid; grid-template-columns: minmax(150px, .82fr) minmax(0, 1fr); min-width: 0; border: 1px solid rgba(234, 216, 179, .2); background: rgba(255, 255, 255, .035);}
.wl-record-image {position: relative; min-height: 300px; overflow: hidden; background: #182b2b; display: flex; align-items: center; justify-content: center;}
.wl-record-image img {width: 100%; height: 100%; max-height: 520px; object-fit: contain; transition: transform .45s ease;}
.wl-record-image:hover img, .wl-record-image:focus-visible img {transform: scale(1.045);}
.wl-record-image span {position: absolute; right: 12px; bottom: 12px; padding: 6px 10px; background: rgba(5, 20, 20, .88); color: #f3e5c5; font-size: 12px;}
.wl-record-copy {padding: clamp(20px, 2.3vw, 34px); align-self: center;}
.wl-record-copy h4 {font-family: var(--serif, serif); font-size: clamp(22px, 2vw, 29px); font-weight: 500; line-height: 1.35; margin: 12px 0;}
.wl-record-copy p {color: #dedbd2; line-height: 1.8; margin: 0 0 16px;}
.wl-record-copy blockquote {border-left: 2px solid #c79d61; padding-left: 14px; margin: 0; color: #f1d9ad; line-height: 1.8; font-family: var(--serif, serif); overflow-wrap: anywhere;}
.wl-reference-grid {display: grid; grid-template-columns: repeat(auto-fit, minmax(min(100%, 310px), 1fr)); gap: 16px; margin-top: 16px;}
.wl-reference {border-left: 2px solid rgba(206, 157, 96, .75); padding: 12px 17px; background: rgba(227, 204, 162, .06);}
.wl-reference strong {display: block; font-weight: 500; margin: 7px 0;}
.wl-reference p {font-family: var(--serif, serif); color: #e5d2b1; line-height: 1.7; margin: 0; overflow-wrap: anywhere;}
.wl-quiz-grid {display: grid; grid-template-columns: repeat(auto-fit, minmax(min(100%, 410px), 1fr)); gap: 20px; margin-top: 30px;}
.wl-quiz {background: rgba(9, 23, 24, .86); border: 1px solid rgba(213, 172, 105, .37); padding: clamp(20px, 2.7vw, 32px);}
.wl-quiz h4 {font-family: var(--serif, serif); font-size: clamp(22px, 2vw, 29px); font-weight: 500; margin: 10px 0;}
.wl-quiz > p {color: #ece4d3; line-height: 1.75; margin: 0 0 20px;}
.wl-options {display: grid; gap: 9px;}
.wl-options button {text-align: left; display: flex; align-items: flex-start; gap: 12px; width: 100%; background: rgba(255,255,255,.045); border: 1px solid rgba(234, 216, 179, .22); color: #f2ebdc; padding: 12px 14px; line-height: 1.5; transition: border-color .2s, background .2s;}
.wl-options button b {font-size: 13px; color: #d4ac72;}
.wl-options button:hover, .wl-options button:focus-visible {border-color: #d6aa6a;}
.wl-options button[aria-pressed="true"] {border-color: #d6aa6a; background: rgba(172, 109, 65, .23);}
.wl-check {margin-top: 16px; padding: 10px 18px; border: 1px solid #c79d61; background: #b67a54; color: #fff5e7;}
.wl-check:disabled {opacity: .45; cursor: not-allowed;}
.wl-feedback {margin-top: 16px; padding: 14px 16px; line-height: 1.75; border-left: 3px solid #b67a54; background: rgba(177, 99, 69, .12);}
.wl-feedback.is-correct {border-left-color: #9bbf9b; background: rgba(131, 176, 135, .12);}
@media (max-width: 800px) {
  .wuyi-letter-panel {width: min(100% - 28px, 1380px); padding: 21px;}
  .wuyi-letter-map-panel {width: 100%;}
  .wl-record {grid-template-columns: 1fr;}
  .wl-record-image {min-height: 240px; max-height: 390px;}
}
@media (prefers-reduced-motion: reduce) {
  .wl-record-image img, .wl-options button {transition: none;}
}