.page-faq {
  --faq-index-w: 288px;
  --faq-gap: clamp(18px, 3vw, 40px);
}

/* 首屏 */
.page-faq .faq-hero {
  position: relative;
  padding: clamp(104px, 15vh, 168px) 0 clamp(36px, 5vw, 62px);
  overflow: hidden;
}

.page-faq .faq-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(168, 243, 228, 0.07) 1px, transparent 1px),
    linear-gradient(90deg, rgba(168, 243, 228, 0.07) 1px, transparent 1px);
  background-size: 76px 76px;
  -webkit-mask-image: radial-gradient(120% 95% at 80% 14%, #000 0%, rgba(0, 0, 0, 0.28) 56%, transparent 84%);
  mask-image: radial-gradient(120% 95% at 80% 14%, #000 0%, rgba(0, 0, 0, 0.28) 56%, transparent 84%);
  pointer-events: none;
}

.page-faq .faq-hero__grid {
  position: relative;
  z-index: 1;
  display: grid;
  gap: clamp(28px, 5vw, 52px);
}

@media (min-width: 900px) {
  .page-faq .faq-hero__grid {
    grid-template-columns: minmax(0, 1.1fr) minmax(0, 0.9fr);
    align-items: center;
  }
}

.page-faq .breadcrumb {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px;
  margin: 0 0 22px;
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: 0.04em;
  color: var(--muted);
}

.page-faq .breadcrumb a {
  color: var(--cyan-soft);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: border-color 0.2s ease;
}

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

.page-faq .faq-hero h1 {
  margin: 0 0 20px;
  font-family: var(--font-display);
  font-size: clamp(32px, 6.4vw, 58px);
  line-height: 1.12;
  letter-spacing: 0.05em;
  color: var(--paper);
  max-width: 18ch;
}

.page-faq .lede {
  max-width: 60ch;
  margin: 0 0 26px;
  font-size: 17px;
  line-height: 1.85;
  color: var(--paper);
  opacity: 0.86;
}

.page-faq .faq-hero__facts {
  display: flex;
  flex-wrap: wrap;
  gap: clamp(18px, 4vw, 46px);
  margin: 0 0 30px;
  padding: 0;
  list-style: none;
}

.page-faq .faq-fact {
  display: flex;
  flex-direction: column;
  gap: 6px;
  min-width: 82px;
}

.page-faq .faq-fact .num {
  font-family: var(--font-mono);
  font-size: 26px;
  line-height: 1;
  letter-spacing: 0.02em;
  color: var(--cyan);
}

.page-faq .faq-fact__label {
  font-size: 13px;
  color: var(--muted);
}

.page-faq .faq-hero__quick {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.page-faq .faq-hero__quick .pill {
  text-decoration: none;
  font-size: 14px;
}

.page-faq .faq-hero__art {
  margin: 0;
}

.page-faq .faq-hero__art img {
  display: block;
  width: 100%;
  height: auto;
  border-radius: var(--radius-xl);
  object-fit: cover;
}

/* 区块标题 */
.page-faq .faq-desk__head,
.page-faq .faq-section__head {
  margin-bottom: clamp(24px, 4vw, 40px);
  max-width: 68ch;
}

.page-faq .faq-desk__head h2,
.page-faq .faq-section__head h2,
.page-faq .faq-fix__copy h2 {
  margin: 0 0 16px;
  font-family: var(--font-display);
  font-size: clamp(26px, 4vw, 42px);
  line-height: 1.18;
  letter-spacing: 0.04em;
  color: var(--paper);
}

/* 索引 + 答案双栏 */
.page-faq .faq-desk__grid {
  display: grid;
  gap: var(--faq-gap);
}

@media (min-width: 980px) {
  .page-faq .faq-desk__grid {
    grid-template-columns: var(--faq-index-w) minmax(0, 1fr);
    align-items: start;
  }

  .page-faq .faq-index {
    position: sticky;
    top: calc(var(--header-h) + 22px);
  }
}

.page-faq .faq-index {
  background: var(--panel);
  border: 1px solid var(--hairline);
  border-radius: var(--radius-lg);
  padding: 22px 18px;
}

.page-faq .faq-index__title {
  margin: 0 0 18px;
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: 0.08em;
  color: var(--cyan-soft);
}

.page-faq .faq-index__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 18px;
}

.page-faq .faq-index__branch-link {
  display: flex;
  align-items: baseline;
  gap: 10px;
  font-size: 15px;
  font-weight: 600;
  color: var(--paper);
  text-decoration: none;
}

.page-faq .faq-index__branch-link .mono {
  font-family: var(--font-mono);
  font-size: 13px;
  color: var(--cyan);
}

.page-faq .faq-index__sub {
  list-style: none;
  margin: 10px 0 0;
  padding: 0 0 0 22px;
  display: grid;
  gap: 8px;
  border-left: 1px solid var(--hairline);
}

.page-faq .faq-index__sub a {
  display: block;
  margin-left: -2px;
  padding-left: 10px;
  font-size: 13.5px;
  line-height: 1.55;
  color: var(--muted);
  text-decoration: none;
  border-left: 2px solid transparent;
  transition: color 0.2s ease, border-color 0.2s ease;
}

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

.page-faq .faq-answers {
  display: grid;
  gap: clamp(26px, 4vw, 42px);
}

.page-faq .faq-group {
  scroll-margin-top: calc(var(--header-h) + 26px);
}

.page-faq .faq-group__head {
  display: flex;
  align-items: baseline;
  gap: 12px;
  margin-bottom: 14px;
}

.page-faq .faq-group__no {
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: 0.06em;
  color: var(--cyan);
}

.page-faq .faq-group__head h3 {
  margin: 0;
  font-size: 20px;
  font-weight: 600;
  letter-spacing: 0.03em;
  color: var(--paper);
}

/* 问答条目 */
.page-faq .faq-item {
  background: var(--panel);
  border: 1px solid var(--hairline);
  border-radius: var(--radius-lg);
  overflow: hidden;
  scroll-margin-top: calc(var(--header-h) + 26px);
  transition: background 0.25s ease, border-color 0.25s ease;
}

.page-faq .faq-item + .faq-item {
  margin-top: 12px;
}

.page-faq .faq-item[open] {
  background: var(--panel-lift);
  border-color: rgba(79, 224, 192, 0.38);
}

.page-faq .faq-item > summary {
  position: relative;
  cursor: pointer;
  list-style: none;
  padding: 18px 56px 18px 26px;
  font-size: 16.5px;
  line-height: 1.6;
  font-weight: 600;
  color: var(--paper);
}

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

.page-faq .faq-item > summary::after {
  content: "+";
  position: absolute;
  right: 22px;
  top: 17px;
  font-family: var(--font-mono);
  font-size: 20px;
  line-height: 1;
  color: var(--cyan);
}

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

.page-faq .faq-item[open] > summary::before {
  content: "";
  position: absolute;
  left: 0;
  top: 14px;
  bottom: 14px;
  width: 3px;
  border-radius: 0 3px 3px 0;
  background: var(--cyan);
}

.page-faq .faq-item__body {
  padding: 0 26px 22px;
}

.page-faq .faq-item__body p {
  margin: 0 0 12px;
  font-size: 16px;
  line-height: 1.85;
  color: var(--paper);
  opacity: 0.85;
  max-width: 68ch;
}

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

.page-faq .faq-item__body a {
  color: var(--cyan);
}

/* 长期使用长表 */
.page-faq .faq-longterm__list {
  margin: 0;
  padding: 0;
  list-style: none;
  border-top: 1px solid var(--hairline);
}

.page-faq .faq-lt-row {
  display: grid;
  gap: 10px;
  padding: clamp(20px, 3vw, 30px) 0;
  border-bottom: 1px solid var(--hairline);
}

@media (min-width: 860px) {
  .page-faq .faq-lt-row {
    grid-template-columns: minmax(0, 0.85fr) minmax(0, 1.5fr);
    gap: var(--faq-gap);
  }
}

.page-faq .faq-lt-row__q {
  margin: 0;
  font-size: 18px;
  font-weight: 600;
  line-height: 1.5;
  color: var(--paper);
}

.page-faq .faq-lt-row__a {
  margin: 0;
  max-width: 62ch;
  font-size: 16px;
  line-height: 1.85;
  color: var(--muted);
}

.page-faq .faq-lt-row__a strong {
  font-family: var(--font-mono);
  font-weight: 600;
  color: var(--cyan);
}

/* 标注速查 */
.page-faq .faq-legend__grid {
  display: grid;
  gap: var(--faq-gap);
}

@media (min-width: 880px) {
  .page-faq .faq-legend__grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .page-faq .faq-legend__card--wide {
    grid-column: 1 / -1;
  }
}

.page-faq .faq-legend__card {
  background: var(--panel);
  border: 1px solid var(--hairline);
  border-radius: var(--radius-xl);
  padding: clamp(22px, 3vw, 34px);
}

.page-faq .faq-legend__card h3 {
  margin: 14px 0 12px;
  font-size: 20px;
  letter-spacing: 0.02em;
  color: var(--paper);
}

.page-faq .faq-legend__card p {
  margin: 0;
  font-size: 16px;
  line-height: 1.85;
  color: var(--muted);
  max-width: 66ch;
}

.page-faq .faq-legend__list {
  margin: 0;
  padding: 0;
  display: grid;
  gap: 14px;
}

.page-faq .faq-legend__list > div {
  display: grid;
  gap: 4px;
}

.page-faq .faq-legend__list dt {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 15px;
  font-weight: 600;
  color: var(--paper);
}

.page-faq .faq-legend__list dd {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.75;
  color: var(--muted);
}

.page-faq .faq-dot {
  display: inline-block;
  width: 10px;
  height: 10px;
  border-radius: 50%;
}

.page-faq .faq-dot--ban {
  background: var(--orange);
}

.page-faq .faq-dot--injury {
  background: var(--orange-soft);
}

.page-faq .faq-dot--temp {
  background: var(--cyan-soft);
}

.page-faq .faq-band {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 8px;
  margin: 20px 0 16px;
  padding: 0;
  list-style: none;
}

.page-faq .faq-band__seg {
  padding: 14px 8px;
  text-align: center;
  border: 1px solid var(--hairline);
  border-radius: var(--radius-md);
  background: var(--panel-lift);
  font-size: 14px;
  color: var(--muted);
}

.page-faq .faq-band__seg .mono {
  font-family: var(--font-mono);
  letter-spacing: 0.06em;
}

.page-faq .faq-band__seg.is-hot {
  border-color: rgba(79, 224, 192, 0.6);
  background: rgba(79, 224, 192, 0.14);
  color: var(--cyan);
}

.page-faq .faq-legend__card .faq-legend__note {
  margin-top: 14px;
  font-size: 14px;
  line-height: 1.8;
  color: var(--muted);
}

/* 修正流程 */
.page-faq .faq-fix__grid {
  display: grid;
  gap: clamp(28px, 4vw, 52px);
}

@media (min-width: 960px) {
  .page-faq .faq-fix__grid {
    grid-template-columns: minmax(0, 1.05fr) minmax(0, 0.95fr);
    align-items: start;
  }
}

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

.page-faq .faq-step {
  display: grid;
  grid-template-columns: 38px minmax(0, 1fr);
  gap: 4px 14px;
  padding: 20px 22px;
  background: var(--panel);
  border: 1px solid var(--hairline);
  border-left: 3px solid var(--cyan);
  border-radius: var(--radius-md);
}

.page-faq .faq-step__no {
  grid-column: 1;
  grid-row: 1 / span 2;
  padding-top: 4px;
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: 0.06em;
  color: var(--cyan);
}

.page-faq .faq-step h3 {
  grid-column: 2;
  margin: 0;
  font-size: 17px;
  color: var(--paper);
}

.page-faq .faq-step p {
  grid-column: 2;
  margin: 0;
  font-size: 15px;
  line-height: 1.8;
  color: var(--muted);
}

.page-faq .faq-fix__art {
  margin: 0;
}

.page-faq .faq-fix__art img {
  display: block;
  width: 100%;
  height: auto;
  border-radius: var(--radius-xl);
  object-fit: cover;
}

/* 联系收尾 */
.page-faq .faq-help__panel {
  display: grid;
  gap: clamp(22px, 3vw, 34px);
  padding: clamp(26px, 4vw, 48px);
  border: 1px solid rgba(79, 224, 192, 0.24);
  border-radius: var(--radius-xl);
  background: linear-gradient(150deg, var(--panel-lift), var(--panel));
}

@media (min-width: 900px) {
  .page-faq .faq-help__panel {
    grid-template-columns: minmax(0, 1.4fr) minmax(0, 0.9fr);
    align-items: center;
  }
}

.page-faq .faq-help__copy h2 {
  margin: 0 0 14px;
  font-family: var(--font-display);
  font-size: clamp(24px, 3.4vw, 36px);
  line-height: 1.2;
  letter-spacing: 0.04em;
  color: var(--paper);
}

.page-faq .faq-help__copy p {
  margin: 0;
  max-width: 58ch;
  font-size: 16px;
  line-height: 1.85;
  color: var(--paper);
  opacity: 0.85;
}

.page-faq .faq-help__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.page-faq .faq-help__actions .btn {
  text-decoration: none;
}

.page-faq .faq-help__meta {
  grid-column: 1 / -1;
  display: grid;
  gap: 14px;
  margin: 0;
  padding-top: clamp(18px, 3vw, 26px);
  border-top: 1px solid var(--hairline);
}

@media (min-width: 620px) {
  .page-faq .faq-help__meta {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

.page-faq .faq-help__meta dt {
  margin-bottom: 6px;
  font-size: 13px;
  color: var(--muted);
}

.page-faq .faq-help__meta dd {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 15px;
  letter-spacing: 0.02em;
  color: var(--cyan-soft);
  word-break: break-word;
}

@media (prefers-reduced-motion: reduce) {
  .page-faq .faq-item,
  .page-faq .faq-index__sub a,
  .page-faq .breadcrumb a {
    transition: none;
  }
}