.page-faq {
  --faq-card-shadow: 0 22px 48px -34px rgba(6, 20, 40, 0.55);
  --faq-inset: 0 0 0 1px rgba(21, 83, 255, 0.28);
}

/* ========== 首屏 ========== */
.page-faq .faq-hero {
  position: relative;
  isolation: isolate;
  overflow: hidden;
  padding: 20px 0 54px;
  color: var(--white);
  background:
    radial-gradient(110% 85% at 94% -12%, rgba(200, 16, 46, 0.62), transparent 58%),
    radial-gradient(85% 78% at -4% 112%, rgba(21, 83, 255, 0.42), transparent 60%),
    linear-gradient(160deg, var(--navy) 0%, var(--navy-2) 100%);
}

.page-faq .faq-hero::before {
  content: "";
  position: absolute;
  inset: -34% -12%;
  z-index: -1;
  pointer-events: none;
  background: repeating-linear-gradient(112deg, rgba(255, 255, 255, 0.055) 0 1px, transparent 1px 44px);
}

.page-faq .faq-hero__beam {
  position: absolute;
  right: -10%;
  bottom: -34%;
  width: 62%;
  height: 130%;
  z-index: -1;
  pointer-events: none;
  transform: rotate(9deg);
  background: linear-gradient(118deg, transparent 42%, rgba(255, 226, 77, 0.16) 50%, transparent 58%);
}

.page-faq .faq-hero__grid {
  display: grid;
  gap: 26px;
  margin-top: 22px;
}

.page-faq .faq-hero h1 {
  margin: 14px 0 0;
  font-size: clamp(32px, 7.2vw, 74px);
  line-height: 0.98;
  font-weight: 900;
  letter-spacing: -0.02em;
  color: var(--white);
}

.page-faq .faq-hero .lede {
  margin: 18px 0 0;
  max-width: 54ch;
  font-size: 16px;
  line-height: 1.78;
  color: rgba(255, 255, 255, 0.8);
}

.page-faq .faq-hero__stats {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 10px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-faq .faq-stat {
  padding: 14px 14px 16px;
  border: 1px solid var(--line-dark);
  border-radius: var(--radius-md);
  background: var(--glass);
}

.page-faq .faq-stat__num {
  display: block;
  font-family: var(--font-mono);
  font-size: 24px;
  font-weight: 700;
  letter-spacing: 0.02em;
  color: var(--white);
}

.page-faq .faq-stat__label {
  display: block;
  margin-top: 5px;
  font-size: 13px;
  line-height: 1.5;
  color: var(--silver);
}

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

/* ========== 分类入口 ========== */
.page-faq .cat-grid {
  margin-top: 30px;
}

.page-faq .cat-card {
  display: flex;
  flex-direction: column;
  padding: 22px 20px;
  border: 1px solid var(--line-light);
  border-radius: var(--radius-lg);
  background: var(--white);
  color: var(--ink);
  text-decoration: none;
  box-shadow: var(--faq-card-shadow);
  transition: transform 0.24s var(--ease), border-color 0.24s var(--ease), box-shadow 0.24s var(--ease);
}

.page-faq .cat-card:nth-child(1) { border-top: 3px solid var(--red); }
.page-faq .cat-card:nth-child(2) { border-top: 3px solid var(--blue); }
.page-faq .cat-card:nth-child(3) { border-top: 3px solid var(--yellow); }
.page-faq .cat-card:nth-child(4) { border-top: 3px solid var(--navy); }

.page-faq .cat-card:focus-visible,
.page-faq .cat-card:hover {
  transform: translateY(-4px);
  border-color: rgba(21, 83, 255, 0.45);
  box-shadow: var(--shadow-card);
}

.page-faq .cat-card__top {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 12px;
}

.page-faq .cat-card__idx {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--blue);
}

.page-faq .cat-card__count {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--ink-soft);
}

.page-faq .cat-card__title {
  margin: 16px 0 0;
  font-size: 22px;
  line-height: 1.25;
  font-weight: 700;
}

.page-faq .cat-card__desc {
  margin: 8px 0 0;
  font-size: 15px;
  line-height: 1.72;
  color: var(--ink-soft);
}

.page-faq .cat-card__more {
  margin-top: auto;
  padding-top: 20px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--red);
}

/* ========== 档位对照 ========== */
.page-faq .faq-tiers {
  position: relative;
  overflow: hidden;
  background: var(--fog);
}

.page-faq .faq-tiers__bg {
  position: absolute;
  inset: 0;
  z-index: 0;
  pointer-events: none;
}

.page-faq .faq-tiers__bg img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0.18;
}

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

.page-faq .tier-radio,
.page-faq .record-radio,
.page-faq .qa-filter__input {
  position: absolute;
  width: 1px;
  height: 1px;
  overflow: hidden;
  clip: rect(0 0 0 0);
  clip-path: inset(50%);
  white-space: nowrap;
}

.page-faq .tier-board {
  position: relative;
}

.page-faq .tier-list {
  display: grid;
  gap: 14px;
  margin-top: 26px;
}

.page-faq .tier-card {
  display: block;
  padding: 22px 20px;
  border: 1px solid var(--line-light);
  border-radius: var(--radius-lg);
  background: var(--white);
  box-shadow: var(--faq-card-shadow);
  cursor: pointer;
  transition: opacity 0.24s var(--ease), border-color 0.24s var(--ease), box-shadow 0.24s var(--ease), transform 0.24s var(--ease);
}

.page-faq .tier-card__head {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 12px;
  padding-bottom: 14px;
  border-bottom: 1px solid var(--line-light);
}

.page-faq .tier-card__code {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.1em;
  color: var(--silver);
}

.page-faq .tier-card__name {
  font-size: 21px;
  font-weight: 700;
  color: var(--ink);
}

.page-faq .tier-card__rows {
  margin: 6px 0 0;
}

.page-faq .tier-row {
  display: grid;
  gap: 3px;
  padding: 12px 0;
  border-bottom: 1px solid var(--line-light);
}

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

.page-faq .tier-row dt {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.08em;
  color: var(--ink-soft);
}

.page-faq .tier-row dd {
  margin: 0;
  font-size: 15px;
  line-height: 1.62;
  color: var(--ink);
}

.page-faq .tier-row--key dd {
  font-weight: 500;
  color: var(--red-deep);
  padding-left: 10px;
  border-left: 3px solid var(--red);
}

.page-faq .tier-radio:checked ~ .tier-list .tier-card {
  opacity: 0.7;
}

.page-faq #tier-basic:checked ~ .tier-list .tier-card:nth-of-type(1),
.page-faq #tier-pro:checked ~ .tier-list .tier-card:nth-of-type(2),
.page-faq #tier-elite:checked ~ .tier-list .tier-card:nth-of-type(3) {
  opacity: 1;
  transform: translateY(-2px);
  border-color: var(--blue);
  box-shadow: var(--shadow-glow);
}

.page-faq .tier-hint {
  margin: 24px 0 0;
  padding: 16px 18px;
  border-left: 3px solid var(--blue);
  border-radius: 0 var(--radius-md) var(--radius-md) 0;
  background: rgba(21, 83, 255, 0.07);
  font-size: 15px;
  line-height: 1.78;
  color: var(--ink-soft);
}

/* ========== 三步查询 ========== */
.page-faq .faq-steps .section-head__title,
.page-faq .faq-steps .section-head__idx {
  color: var(--white);
}

.page-faq .faq-steps .section-head__note {
  color: var(--silver);
}

.page-faq .record-board {
  position: relative;
}

.page-faq .record-layout {
  display: grid;
  gap: 24px;
  margin-top: 28px;
}

.page-faq .record-media {
  border: 1px solid var(--line-dark);
  border-radius: var(--radius-lg);
  overflow: hidden;
}

.page-faq .record-track {
  display: grid;
  gap: 10px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-faq .record-node label {
  display: flex;
  flex-direction: column;
  gap: 8px;
  height: 100%;
  padding: 16px;
  border: 1px solid var(--line-dark);
  border-radius: var(--radius-md);
  background: var(--glass);
  cursor: pointer;
  transition: border-color 0.22s var(--ease), background 0.22s var(--ease);
}

.page-faq .record-node__num {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.1em;
  color: var(--silver);
}

.page-faq .record-node__label {
  font-size: 15px;
  line-height: 1.55;
  color: var(--white);
}

.page-faq #rs-1:checked ~ .record-layout .record-track .record-node:nth-child(1) label,
.page-faq #rs-2:checked ~ .record-layout .record-track .record-node:nth-child(2) label,
.page-faq #rs-3:checked ~ .record-layout .record-track .record-node:nth-child(3) label {
  border-color: rgba(255, 226, 77, 0.75);
  background: rgba(255, 226, 77, 0.12);
}

.page-faq #rs-1:checked ~ .record-layout .record-track .record-node:nth-child(1) .record-node__num,
.page-faq #rs-2:checked ~ .record-layout .record-track .record-node:nth-child(2) .record-node__num,
.page-faq #rs-3:checked ~ .record-layout .record-track .record-node:nth-child(3) .record-node__num {
  color: var(--yellow);
}

.page-faq .record-detail {
  margin-top: 14px;
  padding: 20px 18px;
  border: 1px solid var(--line-dark);
  border-radius: var(--radius-lg);
  background: rgba(255, 255, 255, 0.06);
}

.page-faq .record-detail__panel {
  display: none;
}

.page-faq #rs-1:checked ~ .record-layout .record-detail__panel[data-step="1"],
.page-faq #rs-2:checked ~ .record-layout .record-detail__panel[data-step="2"],
.page-faq #rs-3:checked ~ .record-layout .record-detail__panel[data-step="3"] {
  display: block;
}

.page-faq .record-detail__panel h3 {
  margin: 0 0 10px;
  font-size: 18px;
  line-height: 1.4;
  color: var(--white);
}

.page-faq .record-detail__panel p {
  margin: 0 0 10px;
  font-size: 15px;
  line-height: 1.78;
  color: var(--silver);
}

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

.page-faq .qa-note {
  padding-left: 12px;
  border-left: 3px solid var(--yellow);
  color: rgba(255, 255, 255, 0.88) !important;
}

.page-faq .record-pitfalls {
  display: grid;
  gap: 12px;
  margin: 28px 0 0;
  padding: 0;
  list-style: none;
}

.page-faq .record-pitfalls li {
  padding: 16px 18px;
  border: 1px dashed var(--line-dark-strong);
  border-radius: var(--radius-md);
  font-size: 14px;
  line-height: 1.72;
  color: var(--silver);
}

.page-faq .record-pitfalls strong {
  display: block;
  margin-bottom: 6px;
  font-size: 15px;
  font-weight: 700;
  color: var(--white);
}

/* ========== 问答组 ========== */
.page-faq .qa-shell {
  position: relative;
  margin-top: 26px;
}

.page-faq .qa-filter__bar {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 24px;
}

.page-faq .qa-filter__item {
  display: inline-flex;
  align-items: center;
  padding: 9px 14px;
  border: 1px solid var(--line-light);
  border-radius: var(--radius-sm);
  background: var(--white);
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.04em;
  color: var(--ink-soft);
  cursor: pointer;
  transition: background 0.2s var(--ease), color 0.2s var(--ease), border-color 0.2s var(--ease);
}

.page-faq #qf-all:checked ~ .qa-filter__bar label[for="qf-all"],
.page-faq #qf-account:checked ~ .qa-filter__bar label[for="qf-account"],
.page-faq #qf-reserve:checked ~ .qa-filter__bar label[for="qf-reserve"],
.page-faq #qf-event:checked ~ .qa-filter__bar label[for="qf-event"] {
  background: var(--red);
  border-color: var(--red);
  color: var(--white);
}

.page-faq #qf-account:checked ~ .qa-groups .qa-group:not([data-cat="account"]),
.page-faq #qf-reserve:checked ~ .qa-groups .qa-group:not([data-cat="reserve"]),
.page-faq #qf-event:checked ~ .qa-groups .qa-group:not([data-cat="event"]) {
  display: none;
}

.page-faq .qa-groups {
  display: grid;
  gap: 34px;
}

.page-faq .qa-group__title {
  display: flex;
  align-items: center;
  gap: 12px;
  margin: 0 0 14px;
  padding-bottom: 12px;
  border-bottom: 1px solid var(--line-light);
  font-size: 19px;
  font-weight: 700;
  color: var(--ink);
}

.page-faq .qa-group__title .mono {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.1em;
  color: var(--blue);
}

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

.page-faq .accordion__item {
  border: 1px solid var(--line-light);
  border-radius: var(--radius-md);
  background: var(--white);
  overflow: hidden;
  transition: border-color 0.2s var(--ease);
}

.page-faq .accordion__item[data-open] {
  border-color: rgba(21, 83, 255, 0.4);
}

.page-faq .accordion__trigger {
  display: flex;
  align-items: center;
  gap: 14px;
  width: 100%;
  padding: 16px 18px;
  border: 0;
  background: none;
  cursor: pointer;
  text-align: left;
  font-family: var(--font-sans);
  color: var(--ink);
}

.page-faq .accordion__item[data-open] .accordion__trigger {
  background: rgba(21, 83, 255, 0.05);
}

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

.page-faq .accordion__title {
  flex: 1 1 auto;
  font-size: 16px;
  font-weight: 500;
  line-height: 1.6;
  color: var(--ink);
}

.page-faq .accordion__panel-inner {
  padding: 0 18px 18px 46px;
}

.page-faq .accordion__panel-inner p {
  margin: 0;
  font-size: 15px;
  line-height: 1.8;
  color: var(--ink-soft);
}

.page-faq .qa-tail {
  margin: 30px 0 0;
  font-size: 15px;
  line-height: 1.78;
  color: var(--ink-soft);
}

.page-faq .qa-tail__links {
  display: flex;
  flex-wrap: wrap;
  gap: 18px;
  margin-top: 12px;
}

/* ========== 兜底联系 ========== */
.page-faq .faq-help {
  position: relative;
  overflow: hidden;
}

.page-faq .help-split {
  display: grid;
  gap: 26px;
}

.page-faq .help-split__intro .section-head__idx {
  color: var(--yellow);
}

.page-faq .help-split__intro h2 {
  margin: 12px 0 0;
  font-size: clamp(26px, 4.4vw, 42px);
  line-height: 1.15;
  font-weight: 900;
  color: var(--white);
}

.page-faq .help-split__intro p {
  margin: 14px 0 0;
  max-width: 46ch;
  font-size: 16px;
  line-height: 1.8;
  color: var(--silver);
}

.page-faq .help-channels {
  display: grid;
  gap: 12px;
}

.page-faq .help-channel {
  padding: 20px 18px;
  border: 1px solid var(--line-dark);
  border-radius: var(--radius-lg);
  background: var(--glass);
}

.page-faq .help-channel .mono {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.1em;
  color: var(--yellow);
}

.page-faq .help-channel h3 {
  margin: 10px 0 8px;
  font-size: 18px;
  font-weight: 700;
  color: var(--white);
}

.page-faq .help-channel p {
  margin: 0;
  font-size: 14px;
  line-height: 1.74;
  color: var(--silver);
}

.page-faq .help-contact {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 18px;
  margin-top: 28px;
  padding-top: 24px;
  border-top: 1px solid var(--line-dark);
}

.page-faq .help-contact__line {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 13px;
  line-height: 1.7;
  color: var(--silver);
  word-break: break-word;
}

/* ========== 响应式 ========== */
@media (min-width: 640px) {
  .page-faq .faq-hero__stats {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }

  .page-faq .faq-hero .lede {
    font-size: 17px;
  }

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

  .page-faq .record-track {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 12px;
  }
}

@media (min-width: 900px) {
  .page-faq .faq-hero {
    padding: 26px 0 66px;
  }

  .page-faq .faq-hero__grid {
    grid-template-columns: minmax(0, 1.3fr) minmax(0, 0.9fr);
    align-items: end;
    gap: 46px;
  }

  .page-faq .tier-list {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 18px;
  }

  .page-faq .record-layout {
    grid-template-columns: minmax(0, 0.8fr) minmax(0, 1.2fr);
    gap: 36px;
    align-items: start;
  }

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

  .page-faq .help-split {
    grid-template-columns: minmax(0, 1fr) minmax(0, 1.1fr);
    gap: 44px;
    align-items: start;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-faq .cat-card,
  .page-faq .tier-card,
  .page-faq .record-node label,
  .page-faq .accordion__item,
  .page-faq .qa-filter__item {
    transition: none;
  }
}