.page-faq {
  --faq-rail: 250px;
  background: var(--pitch-900);
  color: var(--chalk-50);
  font-family: var(--font-sans);
  max-width: 100%;
}

.page-faq .faq-band {
  position: relative;
  padding: clamp(40px, 6vw, 88px) 0;
}

.page-faq .section-head {
  margin-bottom: clamp(22px, 3vw, 38px);
}

.page-faq .section-title {
  letter-spacing: -0.03em;
}

.page-faq .section-head__desc {
  max-width: 62ch;
  color: rgba(244, 247, 242, 0.76);
}

/* ---------- 首屏 ---------- */

.page-faq .page-faq__hero {
  padding-top: clamp(26px, 4vw, 48px);
  padding-bottom: clamp(28px, 4vw, 56px);
}

.page-faq .page-faq__hero h1 {
  margin: 10px 0 0;
  font-weight: 900;
  letter-spacing: -0.035em;
  line-height: 1.16;
  font-size: clamp(1.75rem, 6vw, 2.75rem);
  max-width: 26ch;
}

.page-faq .page-faq__hero .lede {
  margin-top: 16px;
  max-width: 68ch;
  font-size: clamp(0.9375rem, 2vw, 1.0625rem);
  line-height: 1.8;
  color: rgba(244, 247, 242, 0.8);
}

.page-faq__meter {
  list-style: none;
  margin: clamp(26px, 4vw, 44px) 0 0;
  padding: 22px 0 0;
  border-top: 1px solid var(--line-soft);
  display: flex;
  flex-wrap: wrap;
  gap: 16px 44px;
}

.page-faq__meter li {
  display: flex;
  align-items: baseline;
  gap: 10px;
}

.page-faq__meter b {
  font-family: var(--font-mono);
  font-weight: 700;
  font-size: clamp(1.75rem, 5vw, 2.5rem);
  line-height: 1;
  letter-spacing: -0.02em;
  color: var(--lemon-400);
  font-variant-numeric: tabular-nums;
}

.page-faq__meter span {
  font-size: 0.875rem;
  color: var(--mist-400);
  letter-spacing: 0.01em;
}

/* ---------- 01 口径速查表 ---------- */

.page-faq .page-faq__ledger {
  align-items: start;
}

.page-faq .page-faq__light {
  background: var(--slate-100);
  color: var(--pitch-900);
  border-radius: var(--radius-md);
  padding: clamp(16px, 2.6vw, 28px);
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
}

.page-faq .page-faq__table {
  width: 100%;
  min-width: 620px;
  border-collapse: collapse;
  font-size: 0.9375rem;
  line-height: 1.45;
}

.page-faq .page-faq__table thead th {
  font-family: var(--font-mono);
  font-weight: 500;
  font-size: 0.75rem;
  letter-spacing: 0.08em;
  text-align: left;
  color: rgba(11, 36, 29, 0.58);
  padding: 0 10px 10px;
  border-bottom: 1px solid rgba(11, 36, 29, 0.24);
  white-space: nowrap;
}

.page-faq .page-faq__table td {
  padding: 11px 10px;
  border-bottom: 1px solid rgba(11, 36, 29, 0.1);
  vertical-align: top;
  color: rgba(11, 36, 29, 0.86);
}

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

.page-faq .page-faq__table tbody tr {
  transition: background-color 200ms var(--ease);
}

.page-faq .page-faq__table tbody tr:hover {
  background: rgba(203, 249, 78, 0.34);
}

.page-faq .page-faq__table td:first-child {
  font-family: var(--font-mono);
  font-weight: 500;
  color: var(--pitch-900);
  text-align: right;
  white-space: nowrap;
  letter-spacing: 0.02em;
}

.page-faq .page-faq__table td:last-child {
  font-family: var(--font-mono);
  text-align: right;
  white-space: nowrap;
  color: rgba(11, 36, 29, 0.7);
}

.page-faq .page-faq__ledger-main .note {
  margin-top: 16px;
}

.page-faq .page-faq__fig {
  margin: clamp(24px, 3vw, 0px) 0 0;
}

.page-faq .figure-frame img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
}

.page-faq .page-faq__fig img {
  border-radius: var(--radius-md);
  aspect-ratio: 3 / 2;
  object-fit: cover;
  filter: saturate(0.66) contrast(1.02);
}

.page-faq .figure-frame__caption {
  margin-top: 10px;
  font-size: 0.8125rem;
  font-style: italic;
  line-height: 1.7;
  color: var(--mist-400);
}

/* ---------- 02 折叠问答 ---------- */

.page-faq .faq-band--deep {
  background: var(--pitch-950);
  border-top: 1px solid var(--line-soft);
  border-bottom: 1px solid var(--line-soft);
}

.page-faq .page-faq__qa {
  align-items: start;
}

.page-faq .page-faq__rail {
  margin-bottom: 8px;
}

.page-faq__index-title {
  margin: 0 0 12px;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  font-weight: 500;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--mist-400);
}

.page-faq__index-list {
  list-style: none;
  margin: 0;
  padding: 0 0 8px;
  display: flex;
  gap: 8px;
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
}

.page-faq__index-list a {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  padding: 8px 13px;
  border: 1px solid var(--line-lemon);
  border-radius: 999px;
  color: var(--chalk-50);
  text-decoration: none;
  font-size: 0.8125rem;
  white-space: nowrap;
  transition: border-color 200ms var(--ease), background-color 200ms var(--ease), color 200ms var(--ease);
}

.page-faq__index-list a:hover,
.page-faq__index-list a:focus-visible {
  border-color: var(--lemon-400);
  background: rgba(203, 249, 78, 0.12);
}

.page-faq__index-num {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  font-weight: 500;
  letter-spacing: 0.06em;
  color: var(--lemon-400);
}

.page-faq .page-faq__fig-tall {
  margin: clamp(20px, 3vw, 32px) 0 0;
}

.page-faq .page-faq__fig-tall img {
  border-radius: var(--radius-md);
  aspect-ratio: 3 / 4;
  object-fit: cover;
  filter: saturate(0.66) contrast(1.02);
}

.page-faq .page-faq__items {
  display: flex;
  flex-direction: column;
}

.page-faq__item {
  position: relative;
  scroll-margin-top: calc(var(--header-h) + 24px);
  border-top: 1px solid var(--line-soft);
}

.page-faq__item:last-child {
  border-bottom: 1px solid var(--line-soft);
}

.page-faq__item::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0;
  bottom: 0;
  width: 2px;
  background: var(--lemon-400);
  transform: scaleY(0);
  transform-origin: top center;
  transition: transform 240ms var(--ease);
}

.page-faq__item[data-open="true"]::before {
  transform: scaleY(1);
}

.page-faq__q {
  margin: 0;
  font-size: 1rem;
  font-weight: 900;
}

.page-faq .disclosure__trigger {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 18px 6px 18px 16px;
  background: none;
  border: 0;
  color: inherit;
  font: inherit;
  text-align: left;
  cursor: pointer;
  transition: color 200ms var(--ease);
}

.page-faq .disclosure__trigger:hover,
.page-faq .disclosure__trigger:focus-visible {
  color: var(--lemon-400);
}

.page-faq .disclosure__label {
  display: flex;
  align-items: baseline;
  gap: 12px;
  font-size: clamp(0.9375rem, 2.1vw, 1.0625rem);
  font-weight: 900;
  letter-spacing: -0.02em;
  line-height: 1.55;
}

.page-faq__qnum {
  flex: none;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  font-weight: 500;
  letter-spacing: 0.08em;
  color: var(--lemon-400);
}

.page-faq .page-faq__chev {
  flex: none;
  display: block;
  width: 9px;
  height: 9px;
  border-right: 1.5px solid var(--lemon-400);
  border-bottom: 1.5px solid var(--lemon-400);
  transform: rotate(45deg);
  transition: transform 240ms var(--ease);
}

.page-faq .disclosure[data-open="true"] .page-faq__chev {
  transform: rotate(225deg);
}

.page-faq .page-faq__item[data-open="false"] .disclosure__panel {
  display: none;
}

.page-faq .disclosure__panel {
  overflow: hidden;
}

.page-faq__inner {
  padding: 0 6px 22px 16px;
}

.page-faq__verdict {
  margin: 0 0 12px;
  padding-left: 12px;
  border-left: 2px solid var(--card-400);
  font-size: 0.9375rem;
  font-weight: 500;
  line-height: 1.75;
  color: var(--lemon-soft);
}

.page-faq__basis {
  margin: 0;
  font-size: 0.9375rem;
  line-height: 1.85;
  color: rgba(244, 247, 242, 0.78);
}

/* ---------- 03 纠错通道 ---------- */

.page-faq .page-faq__fix {
  align-items: start;
}

.page-faq__steps {
  list-style: none;
  margin: 0;
  padding: 0;
  counter-reset: none;
}

.page-faq__steps li {
  display: flex;
  gap: 16px;
  padding: 18px 0;
  border-bottom: 1px solid var(--line-soft);
}

.page-faq__steps li:first-child {
  border-top: 1px solid var(--line-soft);
}

.page-faq__step-num {
  flex: none;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  font-weight: 500;
  letter-spacing: 0.08em;
  color: var(--lemon-400);
  padding-top: 5px;
}

.page-faq__steps b {
  display: block;
  font-size: 1rem;
  font-weight: 900;
  letter-spacing: -0.02em;
  margin-bottom: 6px;
}

.page-faq__steps span:not(.page-faq__step-num) {
  display: block;
  font-size: 0.9375rem;
  line-height: 1.8;
  color: rgba(244, 247, 242, 0.74);
}

.page-faq .page-faq__sla {
  background: var(--slate-800);
  border: 1px solid var(--line-soft);
  border-radius: var(--radius-md);
  padding: clamp(20px, 3vw, 32px);
}

.page-faq .page-faq__sla .eyebrow {
  color: var(--mist-400);
}

.page-faq .page-faq__sla .scoreboard {
  margin: 10px 0 0;
  font-family: var(--font-mono);
  font-weight: 700;
  font-size: clamp(3rem, 9vw, 5rem);
  line-height: 0.95;
  letter-spacing: -0.03em;
  color: var(--lemon-400);
  font-variant-numeric: tabular-nums;
}

.page-faq__sla-unit {
  margin: 6px 0 14px;
  font-family: var(--font-mono);
  font-size: 0.8125rem;
  letter-spacing: 0.1em;
  color: var(--chalk-50);
}

/* ---------- 04 术语表 ---------- */

.page-faq .faq-band--jewel {
  background: var(--jewel-700);
  border-radius: var(--radius-lg);
  width: min(100% - 32px, var(--shell));
  margin: 0 auto;
  padding: clamp(32px, 5vw, 68px) clamp(20px, 4vw, 56px);
}

.page-faq .faq-band--jewel .section-head__desc {
  color: rgba(244, 247, 242, 0.72);
}

.page-faq__terms {
  margin: 0;
  border-top: 1px solid rgba(244, 247, 242, 0.16);
}

.page-faq__term {
  display: grid;
  grid-template-columns: 1fr;
  gap: 6px;
  padding: 18px 0;
  border-bottom: 1px solid rgba(244, 247, 242, 0.16);
}

.page-faq__term dt {
  font-size: 1rem;
  font-weight: 700;
  letter-spacing: -0.015em;
}

.page-faq__en {
  display: block;
  margin-top: 6px;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  font-weight: 500;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--mist-400);
}

.page-faq__term dd {
  margin: 0;
  font-size: 0.9375rem;
  line-height: 1.8;
  color: rgba(244, 247, 242, 0.8);
}

/* ---------- 05 收束 ---------- */

.page-faq__outro {
  padding-bottom: clamp(56px, 8vw, 104px);
}

.page-faq__outro-inner {
  border-top: 1px solid var(--line-lemon);
  padding-top: clamp(22px, 3vw, 34px);
  max-width: 72ch;
}

.page-faq__outro-inner p {
  margin: 14px 0 0;
  font-size: 0.9375rem;
  line-height: 1.85;
  color: rgba(244, 247, 242, 0.78);
}

.page-faq__outro-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 22px;
}

.page-faq__outro-inner .note {
  margin-top: 20px;
}

/* ---------- 断点 ---------- */

@media (min-width: 720px) {
  .page-faq__term {
    grid-template-columns: 190px 1fr;
    gap: 28px;
    align-items: baseline;
  }

  .page-faq__en {
    margin-top: 8px;
  }
}

@media (min-width: 900px) {
  .page-faq .page-faq__fig {
    margin-top: 0;
  }

  .page-faq .page-faq__rail {
    position: sticky;
    top: calc(var(--header-h) + 24px);
  }

  .page-faq__index-list {
    flex-direction: column;
    gap: 0;
    overflow: visible;
    padding: 0;
  }

  .page-faq__index-list a {
    width: 100%;
    border: 0;
    border-left: 1px solid var(--line-soft);
    border-radius: 0;
    padding: 9px 12px;
    font-size: 0.875rem;
    white-space: normal;
  }

  .page-faq__index-list a:hover,
  .page-faq__index-list a:focus-visible {
    background: rgba(203, 249, 78, 0.1);
    border-left-color: var(--lemon-400);
  }

  .page-faq__inner {
    padding-left: 42px;
    padding-right: 28px;
  }

  .page-faq .disclosure__trigger {
    padding-right: 28px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-faq *,
  .page-faq *::before,
  .page-faq *::after {
    transition-duration: 0.01ms !important;
    animation-duration: 0.01ms !important;
  }
}