.page-faq {
  --faq-cyan-fill: rgba(63, 224, 206, 0.10);
  --faq-orange-fill: rgba(255, 122, 47, 0.12);
  --faq-clay-fill: rgba(180, 102, 62, 0.16);
  --faq-gap: clamp(18px, 3vw, 34px);
  display: block;
}

/* ---------- 首屏 ---------- */
.page-faq .faq-hero {
  padding-block: clamp(26px, 4.6vw, 60px) clamp(30px, 4.6vw, 56px);
}

.page-faq .faq-hero__top {
  max-width: 800px;
}

.page-faq .faq-hero__title {
  margin: 14px 0 0;
  font-size: clamp(28px, 4.5vw, 48px);
  line-height: 1.16;
  letter-spacing: 0.02em;
}

.page-faq .faq-hero__lede {
  margin-top: 18px;
  max-width: 62ch;
  color: var(--mist);
}

.page-faq .faq-hero__meta {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 20px;
}

.page-faq .faq-hero__grid {
  margin-top: clamp(28px, 4.6vw, 52px);
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: var(--faq-gap);
}

.page-faq .faq-hero__path-title {
  margin: 0 0 20px;
  font-size: clamp(16px, 2vw, 19px);
  color: var(--paper);
}

/* 步骤路径 */
.page-faq .faq-steps {
  list-style: none;
  margin: 0;
  padding: 0;
}

.page-faq .faq-steps__item {
  position: relative;
  padding-left: 46px;
  padding-bottom: 22px;
}

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

.page-faq .faq-steps__item::before {
  content: "";
  position: absolute;
  left: 15px;
  top: 34px;
  bottom: 0;
  width: 1px;
  background: var(--moss);
  opacity: 0.65;
}

.page-faq .faq-steps__item:last-child::before {
  display: none;
}

.page-faq .faq-steps__no {
  position: absolute;
  left: 0;
  top: 0;
  width: 32px;
  height: 32px;
  display: grid;
  place-items: center;
  border-radius: var(--radius-sm);
  border: 1px solid var(--line);
  background: var(--panel-deep);
  color: var(--mist);
  font-size: 12px;
  line-height: 1;
}

.page-faq .faq-steps__link {
  display: block;
  text-decoration: none;
  color: inherit;
  padding: 4px 8px 6px 10px;
  border-radius: var(--radius-sm);
  border-left: 2px solid transparent;
  transition: background-color 180ms var(--ease), border-color 180ms var(--ease);
}

.page-faq .faq-steps__link:hover,
.page-faq .faq-steps__link:focus-visible {
  background: var(--faq-cyan-fill);
  border-left-color: var(--cyan);
}

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

.page-faq .faq-steps__t {
  display: block;
  font-size: 16px;
  font-weight: 700;
  letter-spacing: 0.05em;
  color: var(--paper);
}

.page-faq .faq-steps__d {
  display: block;
  margin-top: 6px;
  font-size: 14px;
  line-height: 1.72;
  color: var(--mist);
}

/* 首条说明卡 */
.page-faq .faq-hero__card {
  padding: clamp(20px, 3vw, 32px);
  border-radius: var(--radius-lg);
  align-self: start;
}

.page-faq .faq-hero__card-kicker {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.12em;
  color: var(--cyan);
}

.page-faq .faq-hero__card-title {
  margin: 12px 0 0;
  font-size: clamp(19px, 2.4vw, 24px);
  color: var(--paper);
}

.page-faq .faq-hero__card-body {
  margin: 14px 0 0;
  font-size: 15px;
  line-height: 1.78;
  color: var(--mist);
}

.page-faq .faq-hero__card-scope {
  margin-top: 16px;
}

.page-faq .faq-hero__card-foot {
  margin-top: 20px;
}

/* ---------- 通用小节头 ---------- */
.page-faq .faq-read__head,
.page-faq .faq-tiers__head,
.page-faq .faq-terms__head {
  max-width: 760px;
  margin-bottom: clamp(20px, 3vw, 34px);
}

.page-faq .faq-read__lede,
.page-faq .faq-tiers__lede,
.page-faq .faq-terms__lede {
  margin: 14px 0 0;
  max-width: 62ch;
  color: var(--mist);
  font-size: 15px;
  line-height: 1.78;
}

/* ---------- 读表指南 ---------- */
.page-faq .faq-read__media {
  margin: 0 0 clamp(20px, 3vw, 32px);
}

.page-faq .faq-read__grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 18px;
}

.page-faq .faq-read__index {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
}

.page-faq .faq-read__index a {
  display: block;
  padding: 7px 12px;
  font-size: 13.5px;
  text-decoration: none;
  color: var(--mist);
  border: 1px solid var(--line-soft);
  border-radius: 999px;
  transition: color 160ms var(--ease), border-color 160ms var(--ease), background-color 160ms var(--ease);
}

.page-faq .faq-read__index a:hover,
.page-faq .faq-read__index a:focus-visible {
  color: var(--cyan);
  border-color: var(--cyan);
  background: var(--faq-cyan-fill);
}

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

.page-faq .faq-read__table caption,
.page-faq .faq-terms__table caption {
  text-align: left;
  padding: 0 0 10px;
  font-size: 12.5px;
  color: var(--rock);
  letter-spacing: 0.04em;
}

.page-faq .faq-read__table tbody tr:target > th,
.page-faq .faq-read__table tbody tr:target > td {
  background: var(--faq-orange-fill);
  border-top: 1px solid var(--orange);
  border-bottom: 1px solid var(--orange);
}

.page-faq .faq-read__table tbody th[scope="row"] {
  color: var(--paper);
  white-space: nowrap;
}

/* ---------- 48 小时窗口 ---------- */
.page-faq .faq-window {
  padding-block: clamp(32px, 5vw, 66px);
}

.page-faq .faq-window__grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: var(--faq-gap);
}

.page-faq .faq-window__body p {
  margin: 14px 0 0;
  color: var(--mist);
  font-size: 15px;
  line-height: 1.8;
  max-width: 62ch;
}

.page-faq .faq-window__scope {
  margin-top: 20px;
  padding-left: 14px;
  border-left: 2px solid var(--clay);
}

.page-faq .faq-clock {
  list-style: none;
  margin: 0;
  padding: 0;
  border-left: 1px solid var(--line);
}

.page-faq .faq-clock__item {
  position: relative;
  padding: 0 0 26px 22px;
}

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

.page-faq .faq-clock__item::before {
  content: "";
  position: absolute;
  left: -5px;
  top: 8px;
  width: 9px;
  height: 9px;
  border-radius: 2px;
  background: var(--rock);
}

.page-faq .faq-clock__item--start::before {
  background: var(--moss);
}

.page-faq .faq-clock__item--mid::before {
  background: var(--clay);
}

.page-faq .faq-clock__item--alert::before {
  background: var(--orange);
}

.page-faq .faq-clock__item--end::before {
  background: var(--cyan);
}

.page-faq .faq-clock__time {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 12.5px;
  letter-spacing: 0.08em;
  color: var(--cyan);
}

.page-faq .faq-clock__t {
  margin: 8px 0 0;
  font-size: 16px;
  font-weight: 700;
  letter-spacing: 0.04em;
  color: var(--paper);
}

.page-faq .faq-clock__d {
  margin: 8px 0 0;
  font-size: 14px;
  line-height: 1.75;
  color: var(--mist);
  max-width: 46ch;
}

/* ---------- 档位判定 ---------- */
.page-faq .faq-meter {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 0 0 clamp(20px, 3vw, 32px);
}

.page-faq .faq-meter .meter__seg {
  flex: 1 1 160px;
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 6px;
  padding: 14px 16px;
  border-radius: var(--radius-md);
  border: 1px solid var(--line);
  background: var(--panel-deep);
  color: var(--mist);
  font-size: 14px;
  letter-spacing: 0.04em;
  transition: border-color 180ms var(--ease), background-color 180ms var(--ease);
}

.page-faq .faq-meter .meter__seg b {
  font-family: var(--font-mono);
  font-size: 20px;
  font-weight: 600;
  letter-spacing: 0;
}

.page-faq .faq-meter .meter__seg[data-tone="alert"] {
  border-left: 3px solid var(--orange);
}

.page-faq .faq-meter .meter__seg[data-tone="alert"] b {
  color: var(--orange);
}

.page-faq .faq-meter .meter__seg[data-tone="watch"] {
  border-left: 3px solid var(--clay);
}

.page-faq .faq-meter .meter__seg[data-tone="watch"] b {
  color: var(--clay);
}

.page-faq .faq-meter .meter__seg[data-tone="steady"] {
  border-left: 3px solid var(--moss);
}

.page-faq .faq-meter .meter__seg[data-tone="steady"] b {
  color: var(--cyan);
}

.page-faq .faq-meter .meter__seg:hover,
.page-faq .faq-meter .meter__seg:focus-within {
  background: var(--panel-raised);
  border-color: var(--cyan);
}

/* 折叠问答 */
.page-faq .faq-q {
  border-top: 1px solid var(--line);
}

.page-faq .faq-q:last-of-type {
  border-bottom: 1px solid var(--line);
}

.page-faq .faq-q__q {
  list-style: none;
  cursor: pointer;
  position: relative;
  padding: 18px 48px 18px 16px;
  font-size: clamp(15.5px, 1.7vw, 18px);
  font-weight: 700;
  letter-spacing: 0.05em;
  color: var(--paper);
  transition: color 160ms var(--ease), box-shadow 160ms var(--ease), background-color 160ms var(--ease);
}

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

.page-faq .faq-q__q::after {
  content: "+";
  position: absolute;
  right: 18px;
  top: 50%;
  transform: translateY(-50%);
  font-family: var(--font-mono);
  font-size: 18px;
  color: var(--cyan);
}

.page-faq .faq-q[open] > .faq-q__q::after {
  content: "−";
}

.page-faq .faq-q__q:hover {
  background: var(--faq-cyan-fill);
  color: var(--cyan);
}

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

.page-faq .faq-q[open] > .faq-q__q {
  box-shadow: inset 3px 0 0 var(--cyan);
}

.page-faq .faq-q__a {
  padding: 0 18px 22px 19px;
}

.page-faq .faq-q__a p {
  margin: 0;
  max-width: 68ch;
  font-size: 15px;
  line-height: 1.8;
  color: var(--mist);
}

/* ---------- 纠错流程 ---------- */
.page-faq .faq-fix__grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: var(--faq-gap);
}

.page-faq .faq-fix__body p {
  margin: 14px 0 0;
  max-width: 62ch;
  color: var(--mist);
  font-size: 15px;
  line-height: 1.8;
}

.page-faq .faq-format {
  margin: 20px 0 0;
  padding: 18px 20px;
  background: var(--panel-raised);
  border: 1px solid var(--line);
  border-left: 3px solid var(--orange);
  border-radius: var(--radius-md);
  font-family: var(--font-mono);
  font-size: 13px;
  line-height: 2;
  letter-spacing: 0.02em;
  color: var(--mist);
  white-space: pre-wrap;
  overflow-x: auto;
}

.page-faq .faq-fix__scope {
  margin-top: 18px;
}

.page-faq .faq-fix__more {
  margin-top: 16px;
}

.page-faq .faq-fix__body .btn {
  margin-top: 20px;
}

.page-faq .faq-fix__media {
  margin: 0;
  align-self: start;
}

/* ---------- 术语速查 ---------- */
.page-faq .faq-terms__table tbody th[scope="row"] {
  color: var(--paper);
  white-space: nowrap;
}

.page-faq .faq-terms__table tbody td:last-child {
  color: var(--cyan);
  white-space: nowrap;
}

.page-faq .faq-terms__note {
  margin-top: 18px;
  max-width: 68ch;
}

/* ---------- 断点 ---------- */
@media (min-width: 720px) {
  .page-faq .faq-read__index {
    gap: 8px;
  }

  .page-faq .faq-clock__item {
    padding-left: 28px;
  }
}

@media (min-width: 920px) {
  .page-faq .faq-hero__grid {
    grid-template-columns: minmax(0, 1.02fr) minmax(0, 0.98fr);
    gap: clamp(32px, 4vw, 56px);
  }

  .page-faq .faq-read__grid {
    grid-template-columns: 230px minmax(0, 1fr);
    gap: clamp(24px, 3vw, 40px);
  }

  .page-faq .faq-read__index {
    flex-direction: column;
    gap: 0;
    border-left: 1px solid var(--line);
  }

  .page-faq .faq-read__index a {
    border: 0;
    border-left: 2px solid transparent;
    border-radius: 0;
    padding: 9px 14px;
  }

  .page-faq .faq-read__index a:hover,
  .page-faq .faq-read__index a:focus-visible {
    border-left-color: var(--cyan);
  }

  .page-faq .faq-window__grid {
    grid-template-columns: minmax(0, 0.92fr) minmax(0, 1.08fr);
    gap: clamp(32px, 4vw, 56px);
    align-items: start;
  }

  .page-faq .faq-fix__grid {
    grid-template-columns: minmax(0, 1.08fr) minmax(0, 0.92fr);
    gap: clamp(32px, 4vw, 56px);
    align-items: start;
  }

  .page-faq .faq-meter .meter__seg {
    flex: 1 1 0;
  }
}

@media (min-width: 1180px) {
  .page-faq .faq-hero__title {
    font-size: clamp(40px, 3.6vw, 52px);
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-faq .faq-steps__link,
  .page-faq .faq-read__index a,
  .page-faq .faq-meter .meter__seg,
  .page-faq .faq-q__q {
    transition: none;
  }
}