.page-faq {
  background: var(--ink-900);
  color: var(--text);
}

/* ---------- 首屏 ---------- */
.page-faq .faq-hero {
  position: relative;
  overflow: hidden;
  padding-block: clamp(18px, 3vw, 32px) clamp(36px, 6vw, 80px);
  border-bottom: var(--bd) solid var(--line);
}

.page-faq .faq-hero::after {
  content: "";
  position: absolute;
  top: -32%;
  right: -14%;
  width: min(720px, 92vw);
  height: min(720px, 92vw);
  background: radial-gradient(circle at center,
    rgba(123, 97, 255, 0.38),
    rgba(40, 224, 255, 0.10) 46%,
    transparent 68%);
  pointer-events: none;
}

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

.page-faq .faq-hero__inner {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(26px, 4vw, 56px);
  align-items: start;
  margin-top: clamp(18px, 3vw, 34px);
}

.page-faq .faq-hero__main {
  min-width: 0;
}

.page-faq .faq-hero__lead {
  margin-top: clamp(16px, 2.4vw, 26px);
  color: var(--muted);
}

.page-faq .faq-hero__meta {
  margin-top: clamp(20px, 3vw, 32px);
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--muted);
}

.page-faq .faq-hero__meta .rig-num {
  color: var(--cyan);
  font-size: 14px;
}

.page-faq .faq-dot {
  display: inline-block;
  width: 5px;
  height: 5px;
  background: var(--lime);
  transform: rotate(45deg);
}

/* 常用出口面板 */
.page-faq .faq-board {
  min-width: 0;
  background: var(--panel);
  border: var(--bd) solid var(--line);
  box-shadow: var(--shadow-hard);
  padding: clamp(16px, 2.4vw, 24px);
}

.page-faq .faq-board__title {
  margin: 0 0 12px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--lime);
}

.page-faq .faq-board__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 2px;
}

.page-faq .faq-board__item {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr) auto;
  gap: 12px;
  align-items: center;
  padding: 12px 8px;
  color: var(--text);
  text-decoration: none;
  border-bottom: 1px solid var(--line-soft);
  transition: background 160ms var(--ease), color 160ms var(--ease);
}

.page-faq .faq-board__list li:last-child .faq-board__item {
  border-bottom: 0;
}

.page-faq .faq-board__item:hover,
.page-faq .faq-board__item:focus-visible {
  background: rgba(40, 224, 255, 0.09);
  color: var(--cyan-soft);
}

.page-faq .faq-board__num {
  font-size: 12px;
  color: var(--cyan);
}

.page-faq .faq-board__text {
  font-size: 15px;
  font-weight: 600;
  line-height: 1.5;
}

.page-faq .faq-board__arrow {
  color: var(--cyan);
  font-family: var(--font-mono);
  transition: transform 160ms var(--ease);
}

.page-faq .faq-board__item:hover .faq-board__arrow {
  transform: translateX(4px);
}

/* ---------- 场景索引 ---------- */
.page-faq .faq-map {
  padding-block: clamp(36px, 6vw, 80px);
  border-bottom: var(--bd) solid var(--line);
  background: linear-gradient(180deg, rgba(11, 24, 48, 0.92), rgba(7, 17, 31, 0));
}

.page-faq .faq-map__inner {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(24px, 4vw, 48px);
  align-items: start;
}

.page-faq .faq-map__main {
  min-width: 0;
}

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

.page-faq .rig-figure__frame img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
}

.page-faq .faq-map__title {
  margin: 10px 0 0;
  font-size: clamp(26px, 3.6vw, 44px);
  line-height: 1.16;
}

.page-faq .faq-map__list {
  list-style: none;
  margin: clamp(20px, 3vw, 32px) 0 0;
  padding: 0;
  display: grid;
  gap: 10px;
}

.page-faq .faq-map__item {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr) auto;
  gap: 14px;
  align-items: center;
  padding: 14px 16px;
  border: var(--bd) solid var(--line);
  background: rgba(16, 38, 66, 0.62);
  color: var(--text);
  text-decoration: none;
  transition: border-color 160ms var(--ease), box-shadow 160ms var(--ease), transform 160ms var(--ease);
}

.page-faq .faq-map__item:hover,
.page-faq .faq-map__item:focus-visible {
  border-color: var(--cyan);
  box-shadow: var(--shadow-glow);
  transform: translateY(-2px);
}

.page-faq .faq-map__num {
  font-size: 13px;
  letter-spacing: 0.08em;
  color: var(--cyan);
}

.page-faq .faq-map__body {
  display: grid;
  gap: 3px;
  min-width: 0;
}

.page-faq .faq-map__name {
  font-size: 17px;
  font-weight: 700;
  line-height: 1.4;
}

.page-faq .faq-map__desc {
  font-size: 13px;
  line-height: 1.55;
  color: var(--muted);
}

.page-faq .faq-map__count {
  font-size: 12px;
  color: var(--lime);
}

/* ---------- 问答主体 ---------- */
.page-faq .faq-body__inner {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(24px, 4vw, 56px);
  padding-block: clamp(36px, 6vw, 76px);
}

.page-faq .faq-body__inner > * {
  min-width: 0;
}

.page-faq .faq-side {
  align-self: start;
}

.page-faq .faq-side__label {
  margin: 0 0 12px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--muted);
}

.page-faq .faq-side__list {
  list-style: none;
  margin: 0;
  padding: 0 0 8px;
  display: flex;
  gap: 8px;
  overflow-x: auto;
  scrollbar-width: thin;
}

.page-faq .faq-side__link {
  display: flex;
  align-items: baseline;
  gap: 8px;
  padding: 9px 12px;
  white-space: nowrap;
  font-size: 14px;
  color: var(--muted);
  text-decoration: none;
  border: 1px solid var(--line-soft);
  transition: color 160ms var(--ease), border-color 160ms var(--ease), background 160ms var(--ease);
}

.page-faq .faq-side__link:hover,
.page-faq .faq-side__link:focus-visible {
  color: var(--cyan-soft);
  border-color: var(--cyan);
  background: rgba(40, 224, 255, 0.07);
}

.page-faq .faq-side__num {
  font-size: 11px;
  color: var(--cyan);
}

.page-faq .faq-side__count {
  font-size: 11px;
  color: var(--lime);
}

.page-faq .faq-side__foot {
  margin: 16px 0 0;
  font-size: 13px;
  line-height: 1.65;
  color: var(--muted);
}

/* 问答分组 */
.page-faq .faq-groups {
  display: grid;
  gap: clamp(32px, 5vw, 60px);
}

.page-faq .faq-group {
  scroll-margin-top: 96px;
}

.page-faq .faq-group__head {
  border-left: 4px solid var(--line);
  padding-left: 14px;
  margin-bottom: 14px;
  transition: border-color 200ms var(--ease);
}

.page-faq .faq-group:target .faq-group__head {
  border-left-color: var(--lime);
}

.page-faq .faq-group__num {
  display: block;
  font-size: 12px;
  letter-spacing: 0.16em;
  color: var(--cyan);
}

.page-faq .faq-group__title {
  margin: 5px 0 0;
  font-size: clamp(22px, 2.6vw, 30px);
  line-height: 1.2;
  transition: color 200ms var(--ease);
}

.page-faq .faq-group:target .faq-group__title {
  color: var(--cyan-soft);
}

.page-faq .faq-group__desc {
  margin: 7px 0 0;
  font-size: 14px;
  line-height: 1.6;
  color: var(--muted);
}

/* 手风琴条目 */
.page-faq .faq-item {
  border-bottom: 1px solid var(--line-soft);
  background: rgba(16, 38, 66, 0.26);
  transition: background 160ms var(--ease), box-shadow 160ms var(--ease);
}

.page-faq .faq-item[open] {
  background: var(--ink-800);
  box-shadow: inset 3px 0 0 var(--cyan);
}

.page-faq .faq-item__q {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr) auto;
  gap: 12px;
  align-items: start;
  padding: 16px 14px;
  cursor: pointer;
  list-style: none;
}

.page-faq .faq-item__q::-webkit-details-marker {
  display: none;
}

.page-faq .faq-item__q::marker {
  content: "";
}

.page-faq .faq-item__num {
  padding-top: 4px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--lime);
}

.page-faq .faq-item__text {
  font-size: 16px;
  font-weight: 600;
  line-height: 1.55;
  transition: color 160ms var(--ease);
}

.page-faq .faq-item__q:hover .faq-item__text,
.page-faq .faq-item[open] .faq-item__text {
  color: var(--cyan-soft);
}

.page-faq .faq-item__chev {
  width: 9px;
  height: 9px;
  margin-top: 7px;
  border-right: 2px solid var(--cyan);
  border-bottom: 2px solid var(--cyan);
  transform: rotate(45deg);
  transition: transform 180ms var(--ease);
}

.page-faq .faq-item[open] .faq-item__chev {
  transform: rotate(-135deg);
}

.page-faq .faq-item__a {
  padding: 0 14px 18px 36px;
  font-size: 15px;
  line-height: 1.72;
  color: var(--text);
}

.page-faq .faq-item__a p {
  margin: 0 0 10px;
  max-width: 64ch;
}

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

.page-faq .faq-item__a ol {
  margin: 0 0 10px;
  padding-left: 20px;
  display: grid;
  gap: 6px;
  color: var(--muted);
  font-size: 14px;
}

.page-faq .faq-item__a .rig-num {
  color: var(--cyan);
}

.page-faq .faq-group__figure {
  margin: clamp(20px, 3vw, 28px) 0 0;
}

/* ---------- 联系帮助 ---------- */
.page-faq .faq-help {
  padding-block: clamp(40px, 6vw, 80px);
  border-top: var(--bd) solid var(--line);
  background:
    radial-gradient(circle at 86% 12%, rgba(200, 255, 61, 0.12), transparent 54%),
    radial-gradient(circle at 6% 90%, rgba(40, 224, 255, 0.10), transparent 52%),
    var(--ink-800);
}

.page-faq .faq-help__inner {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(24px, 4vw, 48px);
  align-items: start;
}

.page-faq .faq-help__inner > * {
  min-width: 0;
}

.page-faq .faq-help__title {
  margin: 10px 0 0;
  font-size: clamp(24px, 3.1vw, 38px);
  line-height: 1.2;
}

.page-faq .faq-help__desc {
  margin-top: 14px;
  color: var(--muted);
}

.page-faq .faq-help__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin: 22px 0 0;
}

.page-faq .faq-help__panel {
  border: var(--bd) solid var(--line);
  background: rgba(7, 17, 31, 0.78);
  padding: clamp(16px, 2.4vw, 24px);
}

.page-faq .faq-help__row {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 4px 12px;
  align-items: center;
  padding: 12px 0;
  border-bottom: 1px solid var(--line-soft);
}

.page-faq .faq-help__row:last-child {
  border-bottom: 0;
  padding-bottom: 0;
}

.page-faq .faq-help__k {
  grid-column: 1;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--muted);
}

.page-faq .faq-help__v {
  grid-column: 1;
  font-size: 15px;
  line-height: 1.5;
  word-break: break-word;
}

.page-faq .faq-help__copy {
  grid-column: 2;
  grid-row: 1 / span 2;
  align-self: center;
  white-space: nowrap;
}

/* ---------- 桌面布局 ---------- */
@media (min-width: 900px) {
  .page-faq .faq-hero__inner {
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
  }

  .page-faq .faq-map__inner {
    grid-template-columns: minmax(0, 5fr) minmax(0, 7fr);
  }

  .page-faq .faq-body__inner {
    grid-template-columns: minmax(0, 4fr) minmax(0, 8fr);
  }

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

  .page-faq .faq-side__list {
    display: block;
    overflow: visible;
    padding: 0;
    border-left: var(--bd) solid var(--line-soft);
  }

  .page-faq .faq-side__list li + li {
    margin-top: 2px;
  }

  .page-faq .faq-side__link {
    justify-content: space-between;
    gap: 10px;
    margin-left: -2px;
    padding: 11px 12px;
    white-space: normal;
    border: 0;
    border-left: 2px solid transparent;
  }

  .page-faq .faq-side__link:hover,
  .page-faq .faq-side__link:focus-visible {
    border-left-color: var(--cyan);
    background: rgba(40, 224, 255, 0.07);
  }

  .page-faq .faq-help__inner {
    grid-template-columns: minmax(0, 6fr) minmax(0, 6fr);
    align-items: center;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-faq .faq-board__item,
  .page-faq .faq-board__arrow,
  .page-faq .faq-map__item,
  .page-faq .faq-side__link,
  .page-faq .faq-item,
  .page-faq .faq-item__text,
  .page-faq .faq-item__chev,
  .page-faq .faq-group__head,
  .page-faq .faq-group__title {
    transition: none;
  }

  .page-faq .faq-map__item:hover,
  .page-faq .faq-map__item:focus-visible {
    transform: none;
  }

  .page-faq .faq-board__item:hover .faq-board__arrow {
    transform: none;
  }
}
<<<END>>>