/* ===== 答疑室 /answers/ 页面专属样式 ===== */
.page-faq {
  --faq-line: 1px solid rgba(176, 138, 62, .38);
  --faq-soft: 1px solid rgba(20, 49, 42, .10);
  --faq-gold-soft: 1px solid rgba(217, 182, 92, .65);
  padding: 18px 14px 64px;
}

.page-faq .shell {
  max-width: var(--maxw);
  margin: 0 auto;
}

/* ---------- 首屏：框景牌桌 ---------- */
.page-faq .faq-hero {
  position: relative;
  overflow: hidden;
  padding: 26px 18px 24px;
  border: 1px solid rgba(217, 182, 92, .4);
  border-radius: var(--radius-lg);
  background:
    radial-gradient(115% 125% at 92% -12%, rgba(176, 138, 62, .3), rgba(12, 34, 29, 0) 62%),
    linear-gradient(165deg, var(--green-800) 0%, var(--green-900) 100%);
  color: var(--paper);
  box-shadow: var(--shadow-2);
}

.page-faq .faq-hero::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 9px;
  background: repeating-linear-gradient(90deg, rgba(217, 182, 92, .85) 0 1px, transparent 1px 12px);
  opacity: .55;
  pointer-events: none;
}

.page-faq .faq-hero::after {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    repeating-linear-gradient(90deg, rgba(245, 241, 232, .055) 0 1px, transparent 1px 58px),
    repeating-linear-gradient(0deg, rgba(245, 241, 232, .055) 0 1px, transparent 1px 58px);
  pointer-events: none;
}

.page-faq .faq-hero > * {
  position: relative;
  z-index: 1;
}

.page-faq .faq-hero .breadcrumb {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 6px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .06em;
  color: rgba(245, 241, 232, .66);
}

.page-faq .faq-hero .breadcrumb a {
  color: var(--gold-400);
  text-decoration: none;
  border-bottom: 1px solid rgba(217, 182, 92, .35);
}

.page-faq .faq-hero .breadcrumb a:hover {
  border-bottom-color: var(--gold-400);
}

.page-faq .faq-eyebrow {
  margin: 16px 0 10px;
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: .14em;
  color: var(--gold-400);
}

.page-faq .faq-h1 {
  margin: 0 0 14px;
  font-family: var(--font-serif);
  font-weight: 600;
  font-size: clamp(25px, 6.4vw, 40px);
  line-height: 1.28;
  letter-spacing: -0.01em;
  color: var(--paper);
}

.page-faq .faq-lead {
  margin: 0;
  max-width: 64ch;
  font-size: 16px;
  line-height: 1.85;
  color: rgba(245, 241, 232, .88);
}

.page-faq .faq-stats {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
  margin: 22px 0 0;
  padding-top: 18px;
  border-top: 1px dashed rgba(217, 182, 92, .35);
}

.page-faq .faq-stat {
  margin: 0;
}

.page-faq .faq-stat-k {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .1em;
  color: rgba(245, 241, 232, .62);
}

.page-faq .faq-stat-v {
  margin: 4px 0 0;
  font-family: var(--font-mono);
  font-size: 26px;
  line-height: 1.1;
  color: var(--gold-400);
  letter-spacing: .02em;
}

.page-faq .faq-stat-v small {
  margin-left: 3px;
  font-size: 13px;
  color: rgba(245, 241, 232, .7);
}

/* ---------- 分组跳转胶囊 ---------- */
.page-faq .faq-jump {
  display: flex;
  gap: 8px;
  margin: 18px 0 30px;
  padding: 12px 2px;
  overflow-x: auto;
  border-top: var(--faq-line);
  border-bottom: var(--faq-line);
  -webkit-overflow-scrolling: touch;
}

.page-faq .faq-jump a {
  flex: 0 0 auto;
  display: inline-flex;
  align-items: center;
  gap: 7px;
  padding: 7px 14px;
  border: 1px solid transparent;
  border-radius: var(--radius-pill);
  background: var(--mist);
  color: var(--green-800);
  font-size: 14px;
  text-decoration: none;
  white-space: nowrap;
  transition: transform var(--ease), border-color var(--ease), background-color var(--ease);
}

.page-faq .faq-jump a .jump-no {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .08em;
  color: var(--gold-600);
}

.page-faq .faq-jump a:hover {
  transform: translateY(-2px);
  border-color: var(--gold-400);
  background: var(--paper);
}

/* ---------- 分组标题 ---------- */
.page-faq .faq-group,
.page-faq .faq-terms {
  scroll-margin-top: 88px;
  margin-bottom: 34px;
}

.page-faq .faq-group-head {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  padding-bottom: 12px;
  margin-bottom: 16px;
  border-bottom: var(--faq-line);
}

.page-faq .faq-no {
  flex: 0 0 auto;
  margin-top: 4px;
  padding: 4px 10px;
  border: 1px solid rgba(176, 138, 62, .45);
  border-radius: var(--radius-pill);
  background: rgba(176, 138, 62, .1);
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .12em;
  color: var(--gold-600);
}

.page-faq .faq-group-title h2 {
  margin: 0 0 6px;
  color: var(--green-900);
}

.page-faq .faq-group-sub {
  margin: 0;
  font-size: 15px;
  line-height: 1.7;
  color: var(--stone);
}

/* ---------- 手风琴问答 ---------- */
.page-faq .faq-list {
  display: grid;
  gap: 10px;
}

.page-faq .faq-item {
  border: var(--faq-soft);
  border-radius: var(--radius-md);
  background: var(--paper);
  transition: border-color var(--ease), box-shadow var(--ease);
}

.page-faq .faq-item:hover {
  border-color: var(--gold-400);
  box-shadow: var(--shadow-1);
}

.page-faq .faq-item[open] {
  border-color: rgba(176, 138, 62, .5);
  background: #FBF8F0;
}

.page-faq .faq-item > summary {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 15px 16px;
  border-radius: var(--radius-md);
  cursor: pointer;
  list-style: none;
  font-family: var(--font-serif);
  font-weight: 600;
  font-size: 17px;
  line-height: 1.55;
  color: var(--green-900);
}

.page-faq .faq-item > summary::-webkit-details-marker {
  display: none;
}

.page-faq .faq-item-no {
  flex: 0 0 auto;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .08em;
  color: var(--gold-600);
}

.page-faq .faq-q {
  flex: 1 1 auto;
  min-width: 0;
}

.page-faq .faq-caret {
  flex: 0 0 auto;
  width: 9px;
  height: 9px;
  margin-left: 4px;
  margin-right: 4px;
  border-right: 2px solid var(--gold-600);
  border-bottom: 2px solid var(--gold-600);
  transform: rotate(45deg) translate(-2px, -2px);
  transition: transform var(--ease);
}

.page-faq .faq-item[open] .faq-caret {
  transform: rotate(-135deg) translate(-2px, -2px);
}

.page-faq .faq-a {
  padding: 0 16px 16px;
  color: var(--ink);
  animation: faq-flip var(--ease) both;
}

.page-faq .faq-a p {
  margin: 0 0 10px;
  font-size: 16px;
  line-height: 1.8;
}

.page-faq .faq-a p:last-child {
  margin-bottom: 0;
}

@keyframes faq-flip {
  from {
    opacity: 0;
    transform: rotateX(-8deg) translateY(-4px);
    transform-origin: top center;
  }
  to {
    opacity: 1;
    transform: none;
  }
}

/* ---------- 图与说明 ---------- */
.page-faq .faq-media,
.page-faq .faq-terms-figure {
  margin: 18px 0 0;
}

.page-faq .faq-media img,
.page-faq .faq-terms-figure img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  border-radius: var(--radius-lg);
  border: 1px solid rgba(20, 49, 42, .12);
  object-fit: cover;
}

.page-faq .faq-media-cap {
  margin: 10px 2px 0;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .06em;
  line-height: 1.7;
  color: var(--stone);
}

/* ---------- 术语速查表 ---------- */
.page-faq .faq-terms-grid {
  display: grid;
  gap: 20px;
}

.page-faq .faq-table-wrap {
  overflow-x: auto;
  border: var(--faq-soft);
  border-radius: var(--radius-md);
  background: var(--paper);
  -webkit-overflow-scrolling: touch;
}

.page-faq .faq-terms-table {
  width: 100%;
  min-width: 300px;
  border-collapse: collapse;
  font-size: 15px;
}

.page-faq .faq-table-cap {
  padding: 12px 14px 4px;
  text-align: left;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .1em;
  color: var(--stone);
}

.page-faq .faq-terms-table thead th {
  padding: 10px 14px;
  text-align: left;
  background: var(--green-600);
  color: var(--paper);
  font-family: var(--font-mono);
  font-weight: 500;
  font-size: 12px;
  letter-spacing: .12em;
}

.page-faq .faq-terms-table th[scope="row"] {
  padding: 11px 14px;
  text-align: left;
  vertical-align: top;
  font-family: var(--font-mono);
  font-weight: 500;
  font-size: 13px;
  letter-spacing: .06em;
  color: var(--green-800);
}

.page-faq .faq-terms-table td {
  padding: 11px 14px;
  vertical-align: top;
  line-height: 1.72;
  color: var(--ink);
  border-bottom: 1px solid rgba(20, 49, 42, .1);
}

.page-faq .faq-terms-table tbody tr:nth-child(odd) {
  background: var(--mist);
}

.page-faq .faq-terms-table tbody tr:hover {
  background: rgba(217, 182, 92, .18);
}

.page-faq .faq-terms-table tbody tr:last-child th,
.page-faq .faq-terms-table tbody tr:last-child td {
  border-bottom: 0;
}

/* ---------- 结尾指引 ---------- */
.page-faq .faq-cta {
  display: grid;
  gap: 16px;
  margin-top: 34px;
  padding: 22px 18px;
  border-radius: var(--radius-lg);
  border: 1px solid rgba(176, 138, 62, .5);
  background:
    linear-gradient(140deg, rgba(176, 138, 62, .12), rgba(20, 49, 42, .04) 55%),
    var(--card);
}

.page-faq .faq-cta h2 {
  margin: 0 0 8px;
  color: var(--green-900);
}

.page-faq .faq-cta p {
  margin: 0;
  font-size: 15px;
  line-height: 1.75;
  color: var(--ink);
}

.page-faq .faq-cta-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

/* ---------- 键盘焦点 ---------- */
.page-faq a:focus-visible,
.page-faq summary:focus-visible {
  outline: 2px solid var(--gold-400);
  outline-offset: 2px;
}

.page-faq .faq-item > summary:focus-visible {
  border-radius: var(--radius-md);
}

/* ---------- 平板与桌面 ---------- */
@media (min-width: 760px) {
  .page-faq {
    padding: 26px 26px 84px;
  }

  .page-faq .faq-hero {
    padding: 34px 34px 30px;
  }

  .page-faq .faq-stats {
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 18px;
  }

  .page-faq .faq-item > summary {
    padding: 17px 22px;
  }

  .page-faq .faq-a {
    padding: 0 22px 18px 50px;
  }

  .page-faq .faq-cta {
    grid-template-columns: minmax(0, 1fr) auto;
    align-items: center;
    padding: 26px 30px;
  }

  .page-faq .faq-cta-actions {
    justify-content: flex-end;
    flex-wrap: nowrap;
  }
}

@media (min-width: 1024px) {
  .page-faq .faq-terms-grid {
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
    align-items: start;
    gap: 26px;
  }

  .page-faq .faq-terms-table th[scope="row"] {
    white-space: nowrap;
  }

  .page-faq .faq-media {
    max-width: 72%;
  }
}

/* ---------- 动效偏好 ---------- */
@media (prefers-reduced-motion: reduce) {
  .page-faq .faq-a {
    animation: none;
  }

  .page-faq .faq-jump a:hover,
  .page-faq .faq-caret,
  .page-faq .faq-item {
    transition: none;
  }

  .page-faq .faq-jump a:hover {
    transform: none;
  }
}