.task-guide {
  margin: 0 0 14px;
  padding: 14px 15px;
  border: 1px solid rgba(120, 83, 51, .28);
  border-left: 4px solid #b17a43;
  border-radius: 10px;
  background:
    linear-gradient(135deg, rgba(255, 250, 238, .96), rgba(241, 226, 201, .88)),
    repeating-linear-gradient(0deg, transparent 0 23px, rgba(91, 65, 43, .035) 24px);
  color: #4c392b;
  box-shadow: 0 5px 18px rgba(72, 48, 29, .08);
}
.task-guide[hidden] { display: none !important; }
.task-guide__head { display: flex; align-items: center; justify-content: space-between; gap: 12px; margin-bottom: 10px; }
.task-guide__eyebrow { font-weight: 800; letter-spacing: .08em; color: #6c472c; }
.task-guide__code { font: 700 .74rem/1.2 ui-monospace, SFMono-Regular, Consolas, monospace; color: #8c6748; padding: 3px 7px; border: 1px solid rgba(140, 103, 72, .3); border-radius: 999px; background: rgba(255,255,255,.48); }
.task-guide__concept { display: grid; grid-template-columns: 8.6em 1fr; gap: 9px; margin: 0 0 11px; padding: 10px 11px; border-radius: 8px; background: rgba(111, 135, 101, .12); font-size: .84rem; line-height: 1.65; }
.task-guide__concept b { color: #4f6549; }
.task-guide__concept span { color: #5e5045; }
.task-guide__steps { display: grid; gap: 8px; margin: 0; padding: 0; list-style: none; counter-reset: guide-step; }
.task-guide__steps li { display: grid; grid-template-columns: 6.3em 1fr; gap: 8px; align-items: start; font-size: .88rem; line-height: 1.65; }
.task-guide__steps li::before { counter-increment: guide-step; content: counter(guide-step); width: 20px; height: 20px; display: inline-grid; place-items: center; border-radius: 50%; background: #735039; color: #fffaf0; font: 700 .72rem/1 ui-monospace, monospace; grid-column: 1; position: absolute; opacity: 0; }
.task-guide__steps b { color: #5e3f2a; white-space: nowrap; }
.task-guide__steps span { color: #675448; }
.task-guide__feedback { display: flex; gap: 8px; align-items: flex-start; margin-top: 11px; padding-top: 10px; border-top: 1px dashed rgba(104, 72, 45, .25); font-size: .82rem; color: #756253; }
.task-guide__feedback b { flex: 0 0 auto; color: #7a583e; }
.task-guide__feedback.is-active { color: #714638; }
.guided-puzzle-card { position: relative; }
.guided-puzzle-card::before { content: '可操作区域'; position: absolute; top: 9px; right: 10px; z-index: 2; padding: 3px 7px; border-radius: 999px; background: rgba(81, 58, 41, .78); color: #fff8e8; font-size: .66rem; letter-spacing: .06em; pointer-events: none; }
.guided-control { outline-offset: 2px; }
.guided-control:focus-visible { outline: 3px solid rgba(193, 128, 64, .68) !important; box-shadow: 0 0 0 5px rgba(255, 230, 178, .35) !important; }
body.drag-assist .guided-control:hover { box-shadow: 0 0 0 2px rgba(177, 122, 67, .25); }
.guide-nudge { animation: guide-nudge .42s ease; }
@keyframes guide-nudge { 0%,100% { transform: translateX(0); } 30% { transform: translateX(-4px); } 65% { transform: translateX(3px); } }
body.reduced-motion .guide-nudge { animation: none; }
body.high-contrast .task-guide { border-color: currentColor; background: #fff; color: #17120f; }
body.high-contrast .task-guide__steps span,
body.high-contrast .task-guide__feedback { color: #17120f; }

.task-tools { display: flex; align-items: center; justify-content: flex-end; gap: 7px; flex-wrap: wrap; }
.focus-layout-btn { padding: 8px 10px; border: 1px solid rgba(98, 72, 50, .34); border-radius: 9px; background: rgba(255, 250, 235, .72); color: #5c4535; cursor: pointer; font: inherit; font-size: .7rem; font-weight: 750; }
.focus-layout-btn:hover { background: #fff8e7; border-color: #8f684a; }
.focus-layout-btn[hidden] { display: none !important; }

.story-context { margin: 0 0 12px; border: 1px solid rgba(86, 75, 85, .25); border-radius: 11px; background: linear-gradient(135deg, rgba(67, 59, 71, .08), rgba(255, 248, 230, .52)); overflow: hidden; }
.story-context__head { display: flex; align-items: center; justify-content: space-between; gap: 12px; padding: 8px 11px; background: rgba(66, 57, 69, .09); color: #564854; font-size: .75rem; font-weight: 850; letter-spacing: .05em; }
.story-context__head button { border: 0; border-bottom: 1px solid currentColor; padding: 2px 0; background: transparent; color: #775545; cursor: pointer; font: inherit; font-size: .7rem; letter-spacing: 0; }
.story-context__grid { display: grid; grid-template-columns: 1fr 1fr; gap: 1px; background: rgba(98, 72, 50, .12); }
.story-context__grid p { display: grid; align-content: start; gap: 4px; margin: 0; padding: 10px 11px; background: rgba(255, 249, 235, .9); font-size: .75rem; line-height: 1.55; }
.story-context__grid b { color: #6b4c38; font-size: .68rem; letter-spacing: .05em; }
.story-context__grid span { color: #5d5048; }
.story-context__grid strong { color: #3f3330; }

@media (min-width: 901px) {
  .game-layout.is-puzzle-focus { grid-template-columns: minmax(285px, 34%) minmax(560px, 66%); }
  .game-layout.is-puzzle-focus .scene-panel { min-width: 0; }
  .game-layout.is-puzzle-focus .task-panel { box-shadow: -12px 0 28px rgba(35, 25, 20, .14); }
}
@media (min-width: 1180px) {
  .game-layout.is-puzzle-focus { grid-template-columns: minmax(320px, 31%) minmax(650px, 69%); }
}

.casefile-heading { display: flex; align-items: flex-start; justify-content: space-between; gap: 16px; padding-bottom: 13px; border-bottom: 1px solid rgba(102, 73, 51, .24); }
.casefile-heading h2 { margin: 3px 0 0; }
.casefile-heading small { color: #806957; }
.casefile-heading > span { flex: 0 0 auto; padding: 6px 10px; border: 1px solid rgba(111, 82, 60, .28); border-radius: 999px; background: rgba(255,255,255,.45); color: #72543f; font-size: .72rem; }
.casefile-section { margin-top: 18px; }
.casefile-section > h3 { margin: 0 0 9px; color: #513e34; }
.case-people { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 10px; }
.case-person { padding: 12px; border: 1px solid rgba(120, 88, 62, .23); border-radius: 11px; background: rgba(255, 250, 238, .72); }
.case-person h3 { margin: 0; font-size: .95rem; }
.case-person p { margin: 5px 0 0; font-size: .76rem; line-height: 1.65; }
.case-person .case-role { color: #865f47; font-size: .68rem; font-weight: 800; }
.case-timeline { display: grid; gap: 0; margin: 0; padding: 0; list-style: none; }
.case-timeline li { display: grid; grid-template-columns: 9em 1fr; gap: 12px; position: relative; padding: 9px 0 9px 17px; border-left: 2px solid #9b795e; font-size: .78rem; line-height: 1.6; }
.case-timeline li::before { content: ''; position: absolute; left: -6px; top: 15px; width: 10px; height: 10px; border-radius: 50%; background: #6d5342; box-shadow: 0 0 0 3px #ead9bb; }
.case-timeline time { color: #785744; font-weight: 850; }
.casefile-method { padding: 12px 14px; border-left: 4px solid #6f8866; border-radius: 8px; background: rgba(111, 136, 102, .13); }
.casefile-method p { margin: 0; font-size: .78rem; line-height: 1.75; }

.photo-recap__label { display: inline-block; padding: 5px 9px; border-radius: 999px; background: #5f7359; color: #fff8e9; font-size: .7rem; font-weight: 800; letter-spacing: .07em; }
.photo-recap h2 { margin: 10px 0 14px; }
.photo-recap__grid { display: grid; grid-template-columns: 1fr 1fr; gap: 10px; }
.photo-recap__grid article { padding: 13px; border: 1px solid rgba(112, 83, 59, .25); border-radius: 11px; background: rgba(255,250,238,.78); }
.photo-recap__grid article b { color: #624733; }
.photo-recap__grid article p { margin: 7px 0 0; font-size: .8rem; line-height: 1.75; }
.photo-recap__story { grid-column: 1 / -1; border-left: 4px solid #a66a4d !important; background: rgba(177, 122, 67, .1) !important; }
.photo-recap__saved { margin: 12px 0 0 !important; color: #726051; font-size: .72rem; }

body.high-contrast .story-context,
body.high-contrast .story-context__grid p,
body.high-contrast .case-person,
body.high-contrast .photo-recap__grid article { background: #fff; border-color: #17120f; }
body.high-contrast .task-guide__concept { background: #fff; border: 1px solid #17120f; }
@media (max-width: 760px) {
  .task-guide { padding: 12px; }
  .task-guide__concept { grid-template-columns: 1fr; gap: 3px; }
  .task-guide__steps li { grid-template-columns: 1fr; gap: 2px; }
  .task-guide__feedback { display: grid; gap: 3px; }
  .guided-puzzle-card::before { position: static; display: table; margin: 0 0 8px auto; }
  .story-context__grid, .case-people, .photo-recap__grid { grid-template-columns: 1fr; }
  .photo-recap__story { grid-column: auto; }
  .case-timeline li { grid-template-columns: 1fr; gap: 2px; }
  #casefile-btn { display: inline-flex; font-size: .58rem; padding: 0 7px; }
}
@media (max-width: 520px) {
  .task-top { align-items: flex-start; }
  .task-tools { flex-direction: column; align-items: stretch; }
  .focus-layout-btn, .hint-main-btn { white-space: nowrap; }
  .story-context__head { align-items: flex-start; }
}