.page-faq {
  color: var(--chalk);
  padding-bottom: 96px;
}

.page-faq .breadcrumbs {
  padding-block: 20px 4px;
}

/* ---------- 首屏 ---------- */
.page-faq .faq-hero {
  position: relative;
  overflow: hidden;
  padding: 32px 0 48px;
}

.page-faq .faq-hero::before {
  content: "";
  position: absolute;
  inset: -40% -20% auto -20%;
  height: 460px;
  background:
    radial-gradient(46% 88% at 22% 26%, rgba(255, 106, 26, 0.16), transparent 68%),
    radial-gradient(42% 80% at 82% 4%, rgba(43, 227, 210, 0.13), transparent 70%);
  pointer-events: none;
}

.page-faq .faq-hero__inner {
  position: relative;
  z-index: 1;
}

.page-faq .faq-hero__title {
  margin: 14px 0 20px;
  font-family: var(--font-sans);
  font-weight: 200;
  font-size: clamp(36px, 7.4vw, 78px);
  line-height: 1.02;
  letter-spacing: -0.02em;
  color: var(--chalk);
}

.page-faq .faq-hero__lede {
  max-width: 62ch;
  margin: 0 0 32px;
  color: var(--mist);
}

.page-faq .faq-hero__stats {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 16px 20px;
  margin: 0;
  padding: 20px 0 0;
  list-style: none;
  border-top: 1px solid var(--hairline);
}

.page-faq .faq-hero__stats li {
  display: flex;
  align-items: baseline;
  gap: 8px;
}

.page-faq .faq-stat__num {
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  font-size: clamp(22px, 3vw, 30px);
  font-weight: 600;
  color: var(--signal-orange);
  letter-spacing: 0.02em;
}

.page-faq .faq-stat__label {
  font-size: 13px;
  letter-spacing: 0.06em;
  color: var(--mist);
}

/* ---------- 双栏骨架 ---------- */
.page-faq .faq-body {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 36px;
  padding-top: 8px;
}

.page-faq .faq-index {
  border-top: 1px solid var(--hairline);
  padding-top: 16px;
}

.page-faq .faq-index__label {
  margin: 0 0 12px;
  font-size: 12px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--mist);
}

.page-faq .faq-index__nav {
  display: flex;
  gap: 8px;
  overflow-x: auto;
  padding-bottom: 6px;
  scrollbar-width: thin;
}

.page-faq .faq-index__item {
  display: inline-flex;
  align-items: baseline;
  gap: 8px;
  flex: 0 0 auto;
  padding: 8px 14px;
  border: 1px solid var(--hairline);
  border-radius: 999px;
  background: var(--ink-900);
  color: var(--mist);
  font-size: 14px;
  text-decoration: none;
  white-space: nowrap;
  transition: color var(--t-fast) var(--ease), border-color var(--t-fast) var(--ease), background var(--t-fast) var(--ease);
}

.page-faq .faq-index__item:hover {
  color: var(--chalk);
  border-color: var(--electric-cyan);
}

.page-faq .faq-index__item:focus-visible {
  outline: 2px solid var(--electric-cyan);
  outline-offset: 2px;
}

.page-faq .faq-index__item.is-current {
  background: var(--ink-800);
  border-color: var(--signal-orange);
  color: var(--chalk);
}

.page-faq .faq-index__num {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.1em;
  color: var(--signal-orange);
}

.page-faq .faq-content {
  min-width: 0;
  display: flex;
  flex-direction: column;
  gap: var(--section-gap);
}

/* ---------- 章节 ---------- */
.page-faq .faq-section {
  scroll-margin-top: 108px;
}

.page-faq .faq-head {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  align-items: baseline;
  gap: 10px 14px;
  padding-bottom: 14px;
  margin-bottom: 20px;
  border-bottom: 1px solid var(--hairline);
}

.page-faq .faq-head__num {
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: 0.12em;
  color: var(--signal-orange);
}

.page-faq .faq-head__title {
  margin: 0;
  font-family: var(--font-sans);
  font-weight: 300;
  font-size: clamp(23px, 3.4vw, 34px);
  line-height: 1.24;
  letter-spacing: -0.01em;
  color: var(--chalk);
}

.page-faq .faq-text {
  margin: 0 0 16px;
  font-size: 16px;
  line-height: 1.75;
  color: var(--mist);
  max-width: 62ch;
}

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

.page-faq .faq-note {
  margin: 16px 0 0;
  font-size: 13px;
  line-height: 1.7;
  color: var(--mist);
  padding-left: 14px;
  border-left: 2px solid var(--hairline);
}

.page-faq a {
  color: var(--electric-cyan);
  text-decoration: none;
  border-bottom: 1px solid rgba(43, 227, 210, 0.35);
  transition: border-color var(--t-fast) var(--ease);
}

.page-faq a:hover {
  border-bottom-color: var(--electric-cyan);
}

/* ---------- 图表与配图 ---------- */
.page-faq .faq-figure {
  margin: 0 0 24px;
}

.page-faq .faq-figure--wide {
  margin-top: 24px;
}

.page-faq .faq-figure img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  object-fit: cover;
  background: var(--ink-800);
  clip-path: polygon(0 0, calc(100% - 14px) 0, 100% 14px, 100% 100%, 0 100%);
}

.page-faq .faq-figure__cap {
  margin-top: 10px;
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--replay-violet);
}

/* ---------- 权益表 ---------- */
.page-faq .faq-table-wrap {
  overflow-x: auto;
  border: 1px solid var(--hairline);
  background: var(--ink-900);
  -webkit-overflow-scrolling: touch;
}

.page-faq .faq-table-wrap:focus-visible {
  outline: 2px solid var(--electric-cyan);
  outline-offset: 2px;
}

.page-faq .faq-table {
  width: 100%;
  min-width: 720px;
  border-collapse: collapse;
  font-size: 14px;
  font-variant-numeric: tabular-nums;
}

.page-faq .faq-table__caption {
  caption-side: top;
  padding: 14px 16px;
  text-align: left;
  font-size: 12px;
  letter-spacing: 0.1em;
  color: var(--mist);
  border-bottom: 1px solid var(--hairline);
}

.page-faq .faq-table thead th {
  padding: 14px 12px;
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 500;
  letter-spacing: 0.08em;
  color: var(--member-gold);
  text-align: center;
  border-bottom: 1px solid var(--hairline);
  background: var(--ink-900);
  position: sticky;
  top: 0;
}

.page-faq .faq-table__corner {
  text-align: left !important;
  color: var(--mist) !important;
}

.page-faq .faq-table tbody th {
  padding: 13px 12px;
  text-align: left;
  font-weight: 500;
  color: var(--chalk);
  white-space: nowrap;
}

.page-faq .faq-table tbody td {
  padding: 13px 12px;
  text-align: center;
  color: var(--mist);
}

.page-faq .faq-table tbody tr:nth-child(even) {
  background: var(--ink-800);
}

.page-faq .faq-table tbody tr:hover {
  background: rgba(43, 227, 210, 0.06);
}

.page-faq .faq-table tbody th,
.page-faq .faq-table tbody td {
  border-bottom: 1px solid var(--hairline);
}

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

.page-faq .faq-table tbody th:first-child {
  position: sticky;
  left: 0;
  z-index: 1;
  background: var(--ink-900);
}

.page-faq .faq-table tbody tr:nth-child(even) th:first-child {
  background: var(--ink-800);
}

.page-faq .faq-cell--off {
  color: var(--replay-violet) !important;
}

.page-faq .faq-flag {
  display: inline-block;
  margin-left: 6px;
  padding: 1px 7px;
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.06em;
  color: var(--member-gold);
  border: 1px solid rgba(243, 200, 97, 0.45);
  border-radius: 999px;
  vertical-align: middle;
}

/* ---------- 变更说明卡 ---------- */
.page-faq .faq-split--notes {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 16px;
}

.page-faq .faq-note-card {
  padding: 18px 20px;
  background: var(--ink-900);
  border-left: 2px solid var(--member-gold);
}

.page-faq .faq-note-card__label {
  margin: 0 0 8px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--member-gold);
}

.page-faq .faq-note-card__body {
  margin: 0;
  font-size: 15px;
  line-height: 1.72;
  color: var(--mist);
}

/* ---------- 图文分栏 ---------- */
.page-faq .faq-split {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 24px;
  margin-bottom: 8px;
}

.page-faq .faq-split__text .faq-text:last-child {
  margin-bottom: 0;
}

/* ---------- 折叠问答 ---------- */
.page-faq .faq-item {
  position: relative;
  margin-top: 12px;
  background: var(--ink-900);
  box-shadow: inset 0 0 0 1px var(--hairline);
  clip-path: polygon(0 0, calc(100% - 14px) 0, 100% 14px, 100% 100%, 0 100%);
}

.page-faq .faq-item > summary {
  display: flex;
  align-items: baseline;
  gap: 12px;
  padding: 16px 20px;
  cursor: pointer;
  list-style: none;
  font-size: 16px;
  font-weight: 600;
  color: var(--chalk);
  line-height: 1.5;
}

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

.page-faq .faq-item > summary::after {
  content: "";
  margin-left: auto;
  flex: 0 0 auto;
  width: 8px;
  height: 8px;
  border-right: 1.5px solid var(--electric-cyan);
  border-bottom: 1.5px solid var(--electric-cyan);
  transform: rotate(45deg) translateY(-2px);
  transition: transform var(--t-base) var(--ease);
}

.page-faq .faq-item[open] > summary::after {
  transform: rotate(-135deg) translateY(-2px);
}

.page-faq .faq-item > summary:focus-visible {
  outline: 2px solid var(--electric-cyan);
  outline-offset: -2px;
}

.page-faq .faq-item__num {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--electric-cyan);
  flex: 0 0 auto;
}

.page-faq .faq-item__body {
  padding: 0 20px 18px 44px;
  font-size: 15px;
  line-height: 1.75;
  color: var(--mist);
}

/* ---------- 纠错步骤 ---------- */
.page-faq .faq-steps {
  margin: 20px 0 0;
  padding: 0;
  list-style: none;
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 12px;
}

.page-faq .faq-step {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: 16px;
  align-items: start;
  padding: 18px 20px;
  background: var(--ink-900);
  border-top: 1px solid var(--hairline);
}

.page-faq .faq-step__num {
  font-family: var(--font-mono);
  font-size: 20px;
  font-weight: 600;
  letter-spacing: 0.04em;
  color: var(--signal-orange);
  line-height: 1.2;
}

.page-faq .faq-step__title {
  margin: 0 0 6px;
  font-size: 15px;
  font-weight: 600;
  color: var(--chalk);
}

.page-faq .faq-step__text {
  margin: 0;
  font-size: 14px;
  line-height: 1.7;
  color: var(--mist);
}

/* ---------- 联系卡 ---------- */
.page-faq .faq-contact {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 16px;
}

.page-faq .faq-contact__card {
  padding: 22px 20px;
  background: var(--ink-900);
  border-top: 2px solid var(--electric-cyan);
}

.page-faq .faq-contact__label {
  margin: 0 0 10px;
  font-size: 12px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--mist);
}

.page-faq .faq-contact__value {
  margin: 0 0 12px;
  font-size: clamp(16px, 2.4vw, 20px);
  font-weight: 600;
  letter-spacing: 0.02em;
  color: var(--chalk);
  word-break: break-all;
}

.page-faq .faq-contact__use {
  margin: 0;
  font-size: 14px;
  line-height: 1.72;
  color: var(--mist);
}

/* ---------- 响应式 ---------- */
@media (min-width: 700px) {
  .page-faq .faq-hero__stats {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }

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

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

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

@media (min-width: 900px) {
  .page-faq .faq-hero {
    padding: 48px 0 64px;
  }

  .page-faq .faq-body {
    grid-template-columns: 240px minmax(0, 1fr);
    gap: 56px;
  }

  .page-faq .faq-index {
    position: sticky;
    top: 96px;
    align-self: start;
    max-height: calc(100vh - 128px);
    overflow-y: auto;
    border-top: 0;
    padding-top: 0;
    border-left: 1px solid var(--hairline);
    padding-left: 18px;
  }

  .page-faq .faq-index__nav {
    flex-direction: column;
    gap: 2px;
    overflow: visible;
    padding-bottom: 0;
  }

  .page-faq .faq-index__item {
    border: 0;
    border-radius: 0;
    background: transparent;
    padding: 9px 10px;
    border-left: 2px solid var(--hairline);
    white-space: normal;
  }

  .page-faq .faq-index__item.is-current {
    border-left-color: var(--signal-orange);
    background: rgba(255, 106, 26, 0.07);
  }

  .page-faq .faq-split {
    grid-template-columns: minmax(0, 1.1fr) minmax(0, 0.9fr);
    gap: 36px;
    align-items: start;
  }

  .page-faq .faq-split--notes {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 20px;
  }

  .page-faq .faq-table {
    min-width: 100%;
  }
}