.page-faq {
  --faq-line: rgba(201, 164, 92, 0.22);
  --faq-radius: 4px;
  --faq-card-bg: linear-gradient(180deg, rgba(20, 30, 42, 0.94), rgba(17, 26, 36, 0.94));
  background-color: var(--ink);
  color: var(--warm);
  overflow-x: hidden;
}

/* 首屏 */
.page-faq .faq-hero {
  position: relative;
  padding: clamp(26px, 5vw, 52px) 0 clamp(38px, 6vw, 72px);
  background:
    radial-gradient(120% 90% at 100% 0%, rgba(201, 164, 92, 0.16), transparent 62%),
    linear-gradient(160deg, var(--slate) 0%, var(--ink) 64%);
  border-bottom: 1px solid var(--line-soft);
}

.page-faq .faq-hero::after {
  content: "";
  position: absolute;
  right: -8%;
  bottom: -34%;
  width: min(520px, 62vw);
  aspect-ratio: 1;
  background: linear-gradient(135deg, rgba(201, 164, 92, 0.18), rgba(201, 164, 92, 0) 72%);
  clip-path: polygon(0 100%, 100% 0, 100% 100%);
  pointer-events: none;
}

.page-faq .faq-hero-grid {
  position: relative;
  z-index: 1;
  display: grid;
  gap: clamp(24px, 4vw, 40px);
  margin-top: clamp(22px, 4vw, 38px);
}

.page-faq .faq-hero-copy .eyebrow {
  margin: 0 0 14px;
}

.page-faq .faq-title {
  margin: 0 0 18px;
  font-family: var(--font-display);
  font-size: clamp(30px, 5.4vw, 56px);
  font-weight: 800;
  line-height: 1.14;
  letter-spacing: 0.03em;
  color: var(--warm);
  text-wrap: balance;
}

.page-faq .page-lede {
  max-width: 36em;
  margin: 0;
  color: var(--warm-gray);
  font-size: clamp(15px, 1.6vw, 18px);
  line-height: 1.9;
}

.page-faq .faq-hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 28px;
}

/* 首屏概况铭牌 */
.page-faq .faq-plate {
  position: relative;
  padding: 22px 20px;
  border: 1px solid var(--line);
  border-radius: var(--faq-radius);
  background: linear-gradient(180deg, rgba(27, 39, 53, 0.92), rgba(17, 26, 36, 0.92));
  box-shadow: 0 18px 40px rgba(0, 0, 0, 0.34);
}

.page-faq .faq-plate::before,
.page-faq .faq-plate::after {
  content: "";
  position: absolute;
  width: 18px;
  height: 18px;
  border: 1px solid var(--brass);
  pointer-events: none;
}

.page-faq .faq-plate::before {
  top: -1px;
  left: -1px;
  border-right: 0;
  border-bottom: 0;
}

.page-faq .faq-plate::after {
  right: -1px;
  bottom: -1px;
  border-top: 0;
  border-left: 0;
}

.page-faq .faq-plate-title {
  margin: 0 0 14px;
  font-size: 12px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--brass-light);
}

.page-faq .faq-plate-list {
  margin: 0;
}

.page-faq .faq-plate-row {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 16px;
  padding: 9px 0;
  border-bottom: 1px dashed var(--line-soft);
}

.page-faq .faq-plate-row:last-child {
  border-bottom: 0;
}

.page-faq .faq-plate-row dt {
  font-size: 13px;
  color: var(--cool);
}

.page-faq .faq-plate-row dd {
  margin: 0;
  color: var(--brass-light);
  font-size: 15px;
}

/* 主体布局 */
.page-faq .faq-body {
  padding: clamp(32px, 5vw, 64px) 0 clamp(48px, 7vw, 96px);
}

.page-faq .faq-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(26px, 4vw, 48px);
}

/* 左侧分组索引 */
.page-faq .faq-index {
  border: 1px solid var(--line-soft);
  border-radius: var(--faq-radius);
  background: rgba(17, 26, 36, 0.6);
  padding: 20px 18px;
}

.page-faq .faq-index-title {
  margin: 0 0 14px;
  font-size: 12px;
  letter-spacing: 0.18em;
  color: var(--brass);
}

.page-faq .faq-index-list {
  margin: 0;
  padding: 0;
  list-style: none;
  border-left: 1px solid var(--faq-line);
}

.page-faq .faq-index-list a {
  position: relative;
  display: flex;
  align-items: baseline;
  gap: 10px;
  padding: 9px 0 9px 16px;
  color: var(--warm-gray);
  font-size: 14px;
  line-height: 1.5;
  text-decoration: none;
  transition: color 0.22s var(--ease);
}

.page-faq .faq-index-list a .mono {
  color: var(--cool);
  font-size: 11px;
  transition: color 0.22s var(--ease);
}

.page-faq .faq-index-list a::before {
  content: "";
  position: absolute;
  left: -1px;
  top: 50%;
  width: 9px;
  height: 1px;
  background: var(--brass);
  opacity: 0.45;
  transition: width 0.22s var(--ease), opacity 0.22s var(--ease);
}

.page-faq .faq-index-list a:hover,
.page-faq .faq-index-list a:focus-visible {
  color: var(--brass-light);
}

.page-faq .faq-index-list a:hover .mono,
.page-faq .faq-index-list a:focus-visible .mono {
  color: var(--brass-light);
}

.page-faq .faq-index-list a:hover::before,
.page-faq .faq-index-list a:focus-visible::before {
  width: 15px;
  opacity: 1;
}

.page-faq .faq-index-list a:focus-visible {
  outline: var(--focus-ring);
  outline-offset: 2px;
  box-shadow: var(--focus-glow);
}

.page-faq .faq-index-note {
  margin: 16px 0 0;
  padding-top: 14px;
  border-top: 1px solid var(--line-soft);
  font-size: 12.5px;
  line-height: 1.8;
  color: var(--cool);
}

/* 问答列 */
.page-faq .faq-qa {
  min-width: 0;
}

.page-faq .faq-figure {
  margin: 0 0 clamp(26px, 4vw, 44px);
  border-radius: var(--faq-radius);
  overflow: hidden;
}

.page-faq .faq-figure img,
.page-faq .faq-rules-figure img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  object-fit: cover;
}

.page-faq .figure-caption {
  margin-top: 10px;
  font-size: 12px;
  letter-spacing: 0.02em;
  color: var(--cool);
}

/* 分组 */
.page-faq .faq-group {
  padding-top: clamp(26px, 4vw, 40px);
  margin-bottom: clamp(26px, 4vw, 44px);
  border-top: 1px solid var(--line-soft);
  scroll-margin-top: 96px;
}

.page-faq .faq-group:first-of-type {
  border-top: 0;
  padding-top: 0;
}

.page-faq .faq-group-head {
  display: grid;
  gap: 8px;
  margin-bottom: 20px;
}

.page-faq .faq-group-head .eyebrow {
  margin: 0 0 10px;
}

.page-faq .faq-group-title {
  margin: 0;
  font-family: var(--font-display);
  font-size: clamp(21px, 3vw, 30px);
  font-weight: 800;
  line-height: 1.32;
  letter-spacing: 0.02em;
  color: var(--warm);
}

.page-faq .faq-group-note {
  margin: 0;
  font-size: 12px;
  color: var(--cool);
}

.page-faq .faq-group-lede {
  margin: 0 0 20px;
  max-width: 62ch;
  font-size: 15px;
  line-height: 1.85;
  color: var(--warm-gray);
}

/* 折叠卡片 */
.page-faq .disclosure {
  border: 1px solid var(--line-soft);
  border-radius: var(--faq-radius);
  background: var(--faq-card-bg);
  transition: border-color 0.24s var(--ease), transform 0.24s var(--ease), box-shadow 0.24s var(--ease);
}

.page-faq .disclosure + .disclosure {
  margin-top: 10px;
}

.page-faq .disclosure:hover {
  border-color: var(--line-strong);
  transform: translateY(-1px);
  box-shadow: 0 12px 26px rgba(0, 0, 0, 0.28);
}

.page-faq .disclosure-trigger {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto auto;
  align-items: center;
  gap: 12px;
  width: 100%;
  padding: 17px 18px;
  border: 0;
  background: none;
  color: var(--warm);
  font-family: var(--font-body);
  font-size: 15.5px;
  font-weight: 600;
  line-height: 1.55;
  text-align: left;
  cursor: pointer;
  transition: color 0.22s var(--ease), box-shadow 0.22s var(--ease);
}

.page-faq .disclosure-trigger:focus-visible {
  outline: var(--focus-ring);
  outline-offset: -2px;
  box-shadow: var(--focus-glow);
}

.page-faq .disclosure-trigger[aria-expanded="true"] {
  color: var(--brass-light);
  box-shadow: inset 3px 0 0 var(--celadon);
}

.page-faq .faq-q-text {
  min-width: 0;
}

.page-faq .faq-q-ver {
  flex: none;
  padding: 2px 7px;
  border: 1px solid var(--line-soft);
  border-radius: 2px;
  color: var(--cool);
  font-size: 11.5px;
  letter-spacing: 0.02em;
  transition: color 0.22s var(--ease), border-color 0.22s var(--ease);
}

.page-faq .disclosure-trigger[aria-expanded="true"] .faq-q-ver {
  color: var(--celadon);
  border-color: rgba(116, 183, 164, 0.42);
}

.page-faq .disclosure-icon {
  position: relative;
  flex: none;
  width: 14px;
  height: 14px;
}

.page-faq .disclosure-icon::before,
.page-faq .disclosure-icon::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  top: 6px;
  height: 2px;
  background: var(--brass);
  transition: transform 0.24s var(--ease), opacity 0.24s var(--ease);
}

.page-faq .disclosure-icon::after {
  transform: rotate(90deg);
}

.page-faq .disclosure-trigger[aria-expanded="true"] .disclosure-icon::after {
  transform: rotate(0deg);
  opacity: 0;
}

.page-faq .disclosure-panel {
  padding: 16px 18px 20px;
  border-top: 1px solid var(--line-soft);
}

.page-faq .disclosure-panel p {
  margin: 0 0 10px;
  font-size: 14.5px;
  line-height: 1.88;
  color: var(--warm-gray);
}

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

.page-faq .disclosure-panel a {
  color: var(--brass-light);
  text-decoration: underline;
  text-underline-offset: 3px;
}

/* 规则章节的图文并排 */
.page-faq .faq-rules-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 22px;
  align-items: start;
}

.page-faq .faq-rules-qa {
  min-width: 0;
}

.page-faq .faq-rules-figure {
  margin: 0;
  border-radius: var(--faq-radius);
  overflow: hidden;
}

/* 窄幅提示 */
.page-faq .faq-tip {
  display: grid;
  gap: 8px;
  padding: 16px 18px;
  margin: 0 0 clamp(26px, 4vw, 44px);
  border-left: 2px solid var(--cinnabar);
  border-radius: 0 var(--faq-radius) var(--faq-radius) 0;
  background: linear-gradient(90deg, rgba(201, 74, 58, 0.12), rgba(201, 74, 58, 0) 72%);
}

.page-faq .faq-tip-label {
  font-size: 11.5px;
  letter-spacing: 0.16em;
  color: var(--cinnabar);
}

.page-faq .faq-tip p {
  margin: 0;
  font-size: 14px;
  line-height: 1.8;
  color: var(--warm-gray);
}

.page-faq .faq-tip a {
  color: var(--brass-light);
  text-decoration: underline;
  text-underline-offset: 3px;
  white-space: nowrap;
}

.page-faq .faq-tip--closing {
  margin-bottom: clamp(26px, 4vw, 44px);
}

/* 联系信息 */
.page-faq .faq-contact {
  display: grid;
  gap: 1px;
  margin-top: 22px;
  border: 1px solid var(--line);
  border-radius: var(--faq-radius);
  background: var(--faq-line);
  overflow: hidden;
}

.page-faq .faq-contact-item {
  padding: 15px 18px;
  background: rgba(17, 26, 36, 0.96);
}

.page-faq .faq-contact-label {
  margin: 0 0 6px;
  font-size: 11.5px;
  letter-spacing: 0.14em;
  color: var(--brass);
}

.page-faq .faq-contact-value {
  margin: 0;
  font-size: 15px;
  line-height: 1.6;
  color: var(--warm);
  word-break: break-word;
}

.page-faq .faq-contact-more {
  margin: 18px 0 0;
}

/* 继续阅读 */
.page-faq .faq-next {
  display: grid;
  gap: 12px;
  padding-top: clamp(20px, 3vw, 30px);
  border-top: 1px solid var(--line-soft);
}

.page-faq .faq-next-item {
  display: grid;
  gap: 6px;
  padding: 16px 18px;
  border: 1px solid var(--line-soft);
  border-radius: var(--faq-radius);
  background: rgba(20, 30, 42, 0.6);
  text-decoration: none;
  transition: border-color 0.24s var(--ease), background 0.24s var(--ease), transform 0.24s var(--ease);
}

.page-faq .faq-next-item .mono {
  font-size: 11.5px;
  color: var(--brass);
}

.page-faq .faq-next-title {
  font-size: 16px;
  font-weight: 700;
  color: var(--warm);
}

.page-faq .faq-next-desc {
  font-size: 13px;
  line-height: 1.7;
  color: var(--cool);
}

.page-faq .faq-next-item:hover,
.page-faq .faq-next-item:focus-visible {
  border-color: var(--line-strong);
  background: rgba(27, 39, 53, 0.8);
  transform: translateY(-2px);
}

.page-faq .faq-next-item:focus-visible {
  outline: var(--focus-ring);
  outline-offset: 2px;
  box-shadow: var(--focus-glow);
}

@media (min-width: 640px) {
  .page-faq .faq-group-head {
    grid-template-columns: minmax(0, 1fr) auto;
    align-items: end;
  }

  .page-faq .faq-group-note {
    text-align: right;
    padding-bottom: 4px;
  }

  .page-faq .faq-contact {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .page-faq .faq-next {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

@media (min-width: 1000px) {
  .page-faq .faq-hero-grid {
    grid-template-columns: minmax(0, 1.45fr) minmax(0, 0.85fr);
    align-items: end;
  }

  .page-faq .faq-layout {
    grid-template-columns: 236px minmax(0, 1fr);
    gap: clamp(36px, 5vw, 64px);
  }

  .page-faq .faq-index {
    position: sticky;
    top: 96px;
    align-self: start;
  }

  .page-faq .disclosure-trigger {
    font-size: 16.5px;
    padding: 19px 22px;
  }

  .page-faq .disclosure-panel {
    padding: 18px 22px 22px;
  }

  .page-faq .faq-rules-grid {
    grid-template-columns: minmax(0, 1fr) 268px;
    gap: 28px;
  }

  .page-faq .faq-rules-figure {
    position: sticky;
    top: 96px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-faq .disclosure,
  .page-faq .disclosure-trigger,
  .page-faq .disclosure-icon::before,
  .page-faq .disclosure-icon::after,
  .page-faq .faq-next-item,
  .page-faq .faq-index-list a,
  .page-faq .faq-index-list a::before {
    transition: none;
  }

  .page-faq .disclosure:hover,
  .page-faq .faq-next-item:hover {
    transform: none;
  }
}