.page-faq {
  --faq-line: rgba(143, 163, 191, 0.18);
  --faq-line-strong: rgba(143, 163, 191, 0.34);
  --faq-rail-w: 288px;
  --faq-radius: 4px;
}

.page-faq .faq-crumb {
  padding: 22px 0 4px;
}

/* ============ 首屏 ============ */
.page-faq .faq-hero {
  margin-top: 16px;
  border-top: 1px solid var(--faq-line);
  border-bottom: 1px solid var(--faq-line);
  background:
    radial-gradient(115% 85% at 84% 8%, rgba(42, 245, 176, 0.1), transparent 62%),
    radial-gradient(80% 70% at 4% 92%, rgba(123, 97, 255, 0.16), transparent 66%),
    linear-gradient(180deg, var(--ink-void) 0%, var(--ink-carbon) 100%);
}

.page-faq .faq-hero__grid {
  display: grid;
  gap: clamp(28px, 4vw, 56px);
  padding: clamp(36px, 6vw, 78px) 0 clamp(40px, 6vw, 74px);
}

.page-faq .faq-hero__kicker {
  margin: 0;
  font-size: 12px;
  letter-spacing: 0.18em;
  color: var(--gold);
  text-transform: uppercase;
}

.page-faq .faq-hero__title {
  margin: 14px 0 0;
  font-size: clamp(46px, 11vw, 104px);
  font-weight: 800;
  line-height: 0.95;
  letter-spacing: -0.02em;
  color: var(--paper);
}

.page-faq .faq-hero__sub {
  margin: 16px 0 0;
  font-size: clamp(17px, 2.1vw, 22px);
  font-weight: 600;
  line-height: 1.45;
  color: var(--lime);
  max-width: 22em;
}

.page-faq .faq-hero__lede {
  margin: 18px 0 0;
  max-width: 34em;
  font-size: 16px;
  line-height: 1.75;
  color: var(--haze);
}

.page-faq .faq-hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 26px;
}

.page-faq .faq-hero__panel {
  display: grid;
  gap: 18px;
  align-content: start;
}

/* 状态板 */
.page-faq .status-board {
  border: 1px solid var(--faq-line-strong);
  border-radius: var(--faq-radius);
  background: linear-gradient(158deg, rgba(11, 18, 32, 0.96), rgba(7, 20, 38, 0.96));
  box-shadow: var(--shadow-card);
  padding: 20px 18px 16px;
}

.page-faq .status-board__title {
  margin: 0 0 14px;
  font-size: 12px;
  letter-spacing: 0.14em;
  color: var(--haze);
  border-bottom: 1px solid var(--faq-line);
  padding-bottom: 12px;
}

.page-faq .status-board__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 14px;
}

.page-faq .status-board__row {
  display: grid;
  grid-template-columns: 16px auto;
  grid-template-areas:
    "dot name"
    ".   desc";
  gap: 4px 10px;
  align-items: center;
}

.page-faq .status-board__row .status-key__dot {
  grid-area: dot;
}

.page-faq .status-board__name {
  grid-area: name;
  font-size: 15px;
  font-weight: 700;
  color: var(--paper);
}

.page-faq .status-board__desc {
  grid-area: desc;
  font-size: 13.5px;
  line-height: 1.6;
  color: var(--haze);
}

.page-faq .status-board__foot {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 18px;
  margin-top: 18px;
  padding-top: 12px;
  border-top: 1px solid var(--faq-line);
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--gold);
}

.page-faq .faq-hero__media {
  width: 100%;
  aspect-ratio: 5 / 4;
  border-radius: var(--faq-radius);
}

/* ============ 主体分栏 ============ */
.page-faq .faq-body {
  display: grid;
  gap: clamp(24px, 3vw, 44px);
  padding: clamp(40px, 6vw, 76px) 0 clamp(48px, 7vw, 96px);
  align-items: start;
}

.page-faq .faq-rail__inner {
  display: grid;
  gap: 22px;
}

/* 搜索 */
.page-faq .faq-search {
  border: 1px solid var(--faq-line);
  border-radius: var(--faq-radius);
  background: rgba(11, 18, 32, 0.72);
  padding: 16px 16px 14px;
}

.page-faq .faq-search__label {
  display: block;
  font-size: 11px;
  letter-spacing: 0.16em;
  color: var(--gold);
  margin-bottom: 10px;
}

.page-faq .faq-search__input {
  width: 100%;
  box-sizing: border-box;
  background: rgba(7, 20, 38, 0.9);
  border: 1px solid var(--steel);
  border-radius: 3px;
  color: var(--paper);
  font-family: var(--font-sans);
  font-size: 15px;
  line-height: 1.4;
  padding: 11px 12px;
  transition: border-color 0.22s var(--ease), box-shadow 0.22s var(--ease);
}

.page-faq .faq-search__input::placeholder {
  color: var(--haze);
}

.page-faq .faq-search__input:focus {
  outline: none;
  border-color: var(--lime);
  box-shadow: 0 0 0 3px rgba(42, 245, 176, 0.14);
}

.page-faq .faq-search__hint {
  margin: 10px 0 0;
  font-size: 12.5px;
  line-height: 1.6;
  color: var(--haze);
}

/* 分类 */
.page-faq .faq-cats__title {
  margin: 0 0 10px;
  font-size: 11px;
  letter-spacing: 0.16em;
  color: var(--haze);
}

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

.page-faq .faq-cats__link {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 11px 12px;
  border-left: 2px solid transparent;
  color: var(--paper);
  font-size: 15px;
  text-decoration: none;
  background: rgba(11, 18, 32, 0.5);
  transition: border-color 0.22s var(--ease), background 0.22s var(--ease), color 0.22s var(--ease);
}

.page-faq .faq-cats__link:hover,
.page-faq .faq-cats__link:focus-visible {
  border-left-color: var(--gold);
  background: rgba(201, 162, 74, 0.1);
  color: var(--gold);
  outline: none;
}

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

.page-faq .faq-cats__link:hover .faq-cats__num,
.page-faq .faq-cats__link:focus-visible .faq-cats__num {
  color: var(--lime);
}

/* 侧栏延伸 */
.page-faq .faq-rail__note {
  border-top: 1px solid var(--faq-line);
  padding-top: 14px;
  display: grid;
  gap: 8px;
}

.page-faq .faq-rail__note-title {
  margin: 0;
  font-size: 11px;
  letter-spacing: 0.16em;
  color: var(--haze);
}

.page-faq .faq-rail__link {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  font-size: 14px;
  line-height: 1.55;
  color: var(--lime);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  padding-bottom: 2px;
}

.page-faq .faq-rail__link:hover,
.page-faq .faq-rail__link:focus-visible {
  border-bottom-color: var(--lime);
  outline: none;
}

/* ============ 问答分组 ============ */
.page-faq .faq-group {
  scroll-margin-top: 96px;
}

.page-faq .faq-group + .faq-group {
  margin-top: clamp(38px, 5vw, 66px);
}

.page-faq .faq-group__head {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: 4px 14px;
  align-items: baseline;
  padding-bottom: 14px;
  margin-bottom: 18px;
  border-bottom: 1px solid var(--faq-line);
}

.page-faq .faq-group__index {
  margin: 0;
  font-size: clamp(24px, 3.4vw, 32px);
  font-weight: 700;
  line-height: 1;
  color: var(--gold);
}

.page-faq .faq-group__title {
  margin: 0;
  font-size: clamp(21px, 2.8vw, 29px);
  font-weight: 800;
  line-height: 1.2;
  color: var(--paper);
}

.page-faq .faq-group__note {
  grid-column: 2;
  margin: 0;
  font-size: 14px;
  line-height: 1.6;
  color: var(--haze);
}

.page-faq .faq-list {
  display: grid;
  gap: 10px;
}

.page-faq .faq-item {
  border: 1px solid var(--faq-line);
  border-radius: var(--faq-radius);
  background: var(--ink-carbon);
  transition: border-color 0.25s var(--ease), transform 0.25s var(--ease), box-shadow 0.25s var(--ease);
}

.page-faq .faq-item:hover {
  border-color: var(--faq-line-strong);
  transform: translateY(-1px);
}

.page-faq .faq-item[open] {
  border-color: rgba(42, 245, 176, 0.42);
  box-shadow: 0 18px 40px -34px rgba(42, 245, 176, 0.6);
}

.page-faq .faq-item__q {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  padding: 16px 18px;
  cursor: pointer;
  list-style: none;
  font-size: 16px;
  line-height: 1.5;
  color: var(--paper);
}

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

.page-faq .faq-item__q:focus-visible {
  outline: 2px solid var(--lime);
  outline-offset: -2px;
}

.page-faq .faq-item__marker {
  flex: none;
  padding-top: 3px;
  font-size: 12px;
  color: var(--gold);
}

.page-faq .faq-item__text {
  flex: 1;
  min-width: 0;
  font-weight: 600;
}

.page-faq .faq-item__toggle {
  flex: none;
  width: 9px;
  height: 9px;
  margin-top: 6px;
  border-right: 2px solid var(--lime);
  border-bottom: 2px solid var(--lime);
  transform: rotate(45deg);
  transition: transform 0.25s var(--ease);
}

.page-faq .faq-item[open] .faq-item__toggle {
  transform: rotate(225deg);
}

.page-faq .faq-item__a {
  padding: 0 18px 18px 44px;
  font-size: 15px;
  line-height: 1.78;
  color: var(--haze);
}

.page-faq .faq-item__a p {
  margin: 0 0 10px;
}

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

.page-faq .faq-item__a strong {
  color: var(--paper);
}

.page-faq .faq-steps {
  margin: 0 0 10px;
  padding-left: 18px;
  display: grid;
  gap: 6px;
}

.page-faq .faq-steps li {
  padding-left: 2px;
}

.page-faq .faq-inline-link {
  color: var(--lime);
  text-decoration: none;
  border-bottom: 1px solid rgba(42, 245, 176, 0.45);
}

.page-faq .faq-inline-link:hover,
.page-faq .faq-inline-link:focus-visible {
  color: var(--paper);
  border-bottom-color: var(--paper);
  outline: none;
}

/* iOS 竖版配图 */
.page-faq .faq-ios__media {
  width: min(320px, 100%);
  margin: 20px 0 0;
  aspect-ratio: 3 / 4;
  border-radius: var(--faq-radius);
}

/* 人工协助横幅 */
.page-faq .faq-cta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  margin-top: 22px;
  padding: 20px;
  border: 1px solid rgba(42, 245, 176, 0.32);
  border-radius: var(--faq-radius);
  background:
    radial-gradient(90% 130% at 96% 0%, rgba(42, 245, 176, 0.14), transparent 62%),
    linear-gradient(150deg, rgba(11, 18, 32, 0.98), rgba(7, 20, 38, 0.98));
}

.page-faq .faq-cta__title {
  margin: 0;
  font-size: 17px;
  font-weight: 700;
  color: var(--paper);
}

.page-faq .faq-cta__text {
  margin: 6px 0 0;
  font-size: 14px;
  line-height: 1.65;
  color: var(--haze);
}

/* ============ 响应式 ============ */
@media (min-width: 700px) {
  .page-faq .status-board__row {
    grid-template-columns: 16px 88px minmax(0, 1fr);
    grid-template-areas: "dot name desc";
    gap: 10px;
    align-items: center;
  }
}

@media (min-width: 1000px) {
  .page-faq .faq-hero__grid {
    grid-template-columns: minmax(0, 1.05fr) minmax(0, 0.95fr);
    align-items: start;
  }

  .page-faq .faq-body {
    grid-template-columns: var(--faq-rail-w) minmax(0, 1fr);
  }

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

@media (min-width: 1180px) {
  .page-faq .faq-item__a {
    padding-right: 15%;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-faq .faq-item,
  .page-faq .faq-item__toggle,
  .page-faq .faq-cats__link,
  .page-faq .faq-search__input {
    transition: none;
  }
}