.page-faq {
  --faq-idx: 236px;
  --faq-gap: clamp(20px, 3vw, 44px);
  background: var(--ink);
  color: var(--paper);
  padding-bottom: clamp(48px, 8vw, 96px);
}

.page-faq .faq-crumbs {
  padding-top: clamp(14px, 2vw, 22px);
  font-size: 0.8125rem;
}

.page-faq .faq-hero {
  padding-top: clamp(18px, 3vw, 32px);
}

.page-faq .faq-hero__kicker {
  display: flex;
  align-items: center;
  gap: 12px;
  flex-wrap: wrap;
}

.page-faq .faq-hero__no {
  font-family: var(--font-mono);
  font-size: 0.875rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  color: var(--ink);
  background: var(--lime);
  padding: 3px 9px;
  border-radius: 2px;
}

.page-faq .faq-hero__rule {
  flex: 1 1 60px;
  height: 2px;
  min-width: 40px;
  background: repeating-linear-gradient(
    to right,
    var(--line) 0 8px,
    transparent 8px 14px
  );
}

.page-faq .faq-hero__title {
  margin: clamp(14px, 2.4vw, 22px) 0 0;
  font-family: var(--font-display);
  font-size: clamp(2rem, 6.4vw, 3.6rem);
  font-weight: 900;
  line-height: 1.08;
  letter-spacing: -0.01em;
  color: var(--white);
  max-width: 16ch;
}

.page-faq .faq-hero__lede {
  margin-top: clamp(14px, 2vw, 20px);
  max-width: 62ch;
}

.page-faq .faq-hero__lede .lede {
  color: var(--text-dim);
  line-height: 1.75;
  font-size: clamp(0.9375rem, 1.6vw, 1.0625rem);
}

/* 快捷跳转 */
.page-faq .faq-jump {
  list-style: none;
  margin: clamp(24px, 4vw, 40px) 0 0;
  padding: 0 0 30px;
  display: grid;
  gap: 10px;
}

.page-faq .faq-jump__item {
  min-width: 0;
}

.page-faq .faq-jump__link {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr) auto;
  align-items: center;
  gap: 12px;
  padding: 16px 16px;
  border: 2px solid var(--line);
  border-radius: var(--radius);
  background: var(--ink-2);
  box-shadow: var(--shadow-sm);
  color: var(--paper);
  text-decoration: none;
  transition: transform var(--dur) ease-out, border-color var(--dur) ease-out, box-shadow var(--dur) ease-out;
}

.page-faq .faq-jump__link:hover,
.page-faq .faq-jump__link:focus-visible {
  transform: translate(-2px, -2px);
  border-color: var(--lime);
  box-shadow: 7px 7px 0 rgba(200, 255, 61, 0.22);
}

.page-faq .faq-jump__link:focus-visible {
  outline: 2px solid var(--lime);
  outline-offset: 3px;
}

.page-faq .faq-jump__no {
  font-family: var(--font-mono);
  font-size: 0.8125rem;
  font-weight: 600;
  color: var(--lime);
  letter-spacing: 0.08em;
}

.page-faq .faq-jump__label {
  font-size: 0.9375rem;
  font-weight: 700;
  line-height: 1.45;
  color: var(--paper);
}

.page-faq .faq-jump__arrow {
  font-family: var(--font-mono);
  color: var(--orange);
  font-size: 1rem;
}

/* 数据条 */
.page-faq .faq-strip {
  border-top: 2px solid var(--line);
  border-bottom: 2px solid var(--line);
  background: var(--ink-3);
}

.page-faq .faq-strip__inner {
  display: grid;
  gap: 16px;
  padding-top: clamp(18px, 3vw, 26px);
  padding-bottom: clamp(18px, 3vw, 26px);
}

.page-faq .faq-strip__cell {
  display: flex;
  align-items: baseline;
  gap: 10px;
  border-left: 3px solid var(--lime);
  padding-left: 12px;
  min-width: 0;
}

.page-faq .faq-strip__num {
  font-family: var(--font-mono);
  font-size: clamp(1.5rem, 4vw, 2rem);
  font-weight: 600;
  color: var(--orange);
  line-height: 1;
  font-variant-numeric: tabular-nums;
}

.page-faq .faq-strip__key {
  font-size: 0.8125rem;
  line-height: 1.55;
  color: var(--sage-strong);
}

/* 主体分栏 */
.page-faq .faq-shell {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: var(--faq-gap);
  padding-top: clamp(32px, 5vw, 56px);
}

.page-faq .faq-index {
  background: var(--ink-2);
  border: 2px solid var(--line);
  border-left: 5px solid var(--lime);
  border-radius: var(--radius);
  padding: 16px;
}

.page-faq .faq-index__title {
  margin: 0 0 10px;
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.14em;
  color: var(--sage);
}

.page-faq .faq-index__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  gap: 8px;
  overflow-x: auto;
  scrollbar-width: thin;
}

.page-faq .faq-index__item {
  flex: 0 0 auto;
}

.page-faq .faq-index__link {
  display: flex;
  align-items: baseline;
  gap: 8px;
  padding: 9px 12px;
  border: 1px solid var(--line);
  border-radius: 2px;
  color: var(--text-dim);
  text-decoration: none;
  font-size: 0.875rem;
  font-weight: 700;
  white-space: nowrap;
  transition: color var(--dur) ease-out, border-color var(--dur) ease-out, background var(--dur) ease-out;
}

.page-faq .faq-index__link:hover,
.page-faq .faq-index__link:focus-visible {
  color: var(--ink);
  background: var(--lime);
  border-color: var(--lime);
}

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

.page-faq .faq-index__no {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--orange);
}

.page-faq .faq-index__link:hover .faq-index__no,
.page-faq .faq-index__link:focus-visible .faq-index__no {
  color: var(--ink);
}

.page-faq .faq-index__note {
  margin: 14px 0 0;
  padding-top: 12px;
  border-top: 1px solid var(--line);
  font-size: 0.8125rem;
  line-height: 1.65;
  color: var(--sage-strong);
}

/* 分区 */
.page-faq .faq-body {
  min-width: 0;
}

.page-faq .faq-sec {
  scroll-margin-top: 92px;
}

.page-faq .faq-sec + .faq-sec {
  margin-top: clamp(36px, 5vw, 64px);
  padding-top: clamp(28px, 4vw, 48px);
  border-top: 2px solid var(--line);
}

.page-faq .faq-sec__top {
  display: flex;
  align-items: baseline;
  gap: 12px;
  flex-wrap: wrap;
}

.page-faq .faq-sec__no {
  font-family: var(--font-mono);
  font-size: 0.8125rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  color: var(--lime);
}

.page-faq .faq-sec__title {
  margin: 0;
  font-family: var(--font-display);
  font-size: clamp(1.35rem, 3.6vw, 2.1rem);
  font-weight: 900;
  line-height: 1.22;
  letter-spacing: -0.005em;
  color: var(--white);
  min-width: 0;
}

.page-faq .faq-sec__intro {
  margin: 12px 0 0;
  max-width: 66ch;
  font-size: 0.9375rem;
  line-height: 1.8;
  color: var(--text-dim);
}

.page-faq .faq-sec__cta {
  margin: 22px 0 0;
}

/* 图片 */
.page-faq .faq-figure {
  margin: clamp(18px, 2.6vw, 26px) 0 clamp(18px, 2.6vw, 26px);
  border: 2px solid var(--line);
  border-radius: var(--radius);
  background: var(--ink-2);
  box-shadow: var(--shadow);
  overflow: hidden;
}

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

.page-faq .faq-figure__cap {
  padding: 10px 14px;
  border-top: 1px solid var(--line);
  font-family: var(--font-mono);
  font-size: 0.75rem;
  letter-spacing: 0.04em;
  color: var(--sage-strong);
}

/* 问答 */
.page-faq .faq-qa {
  margin-top: clamp(16px, 2.4vw, 24px);
}

.page-faq .qa {
  border: 2px solid var(--line);
  border-radius: var(--radius);
  background: var(--ink-2);
  transition: border-color var(--dur) ease-out;
}

.page-faq .qa + .qa {
  margin-top: 10px;
}

.page-faq .qa[open] {
  border-color: rgba(200, 255, 61, 0.55);
}

.page-faq .qa__q {
  display: block;
  position: relative;
  padding: 17px 18px 17px 54px;
  list-style: none;
  cursor: pointer;
  font-size: 0.9375rem;
  font-weight: 700;
  line-height: 1.55;
  color: var(--white);
  border-radius: 2px;
  transition: color var(--dur) ease-out;
}

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

.page-faq .qa__q::after {
  content: "+";
  position: absolute;
  left: 16px;
  top: 16px;
  width: 22px;
  height: 22px;
  display: grid;
  place-items: center;
  border: 2px solid var(--lime);
  border-radius: 2px;
  font-family: var(--font-mono);
  font-size: 14px;
  line-height: 1;
  color: var(--lime);
}

.page-faq .qa[open] .qa__q::after {
  content: "−";
  background: var(--lime);
  color: var(--ink);
}

.page-faq .qa__q:hover {
  color: var(--lime);
}

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

.page-faq .qa__a {
  padding: 0 18px 20px 54px;
}

.page-faq .qa__a p {
  margin: 0;
  font-size: 0.9375rem;
  line-height: 1.8;
  color: var(--text-dim);
}

/* 暖纸色分区 */
.page-faq .faq-sec--paper {
  background: var(--paper);
  color: var(--ink);
  border: 2px solid var(--ink);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: clamp(18px, 3vw, 30px);
}

.page-faq .faq-sec--paper .faq-sec__no {
  color: var(--orange);
}

.page-faq .faq-sec--paper .faq-sec__title {
  color: var(--ink);
}

.page-faq .faq-sec--paper .faq-sec__intro {
  color: #33463D;
}

.page-faq .faq-sec--paper .qa {
  background: #FFFFFF;
  border-color: #C9C0AE;
}

.page-faq .faq-sec--paper .qa[open] {
  border-color: var(--orange);
}

.page-faq .faq-sec--paper .qa__q {
  color: var(--ink);
}

.page-faq .faq-sec--paper .qa__q:hover {
  color: var(--orange);
}

.page-faq .faq-sec--paper .qa__q::after {
  border-color: var(--orange);
  color: var(--orange);
}

.page-faq .faq-sec--paper .qa[open] .qa__q::after {
  background: var(--orange);
  color: var(--paper);
}

.page-faq .faq-sec--paper .qa__a p {
  color: #33463D;
}

.page-faq .faq-sec--paper .qa__q:focus-visible {
  outline-color: var(--orange);
}

/* 联系分区 */
.page-faq .faq-sec--contact {
  scroll-margin-top: 92px;
}

.page-faq .faq-contact {
  margin-top: clamp(18px, 2.6vw, 26px);
  border: 2px solid var(--line);
  border-left: 6px solid var(--orange);
  border-radius: var(--radius);
  background: var(--ink-2);
  box-shadow: var(--shadow);
  padding: clamp(18px, 3vw, 28px);
}

.page-faq .faq-contact__lead {
  margin: 0;
  font-size: 0.9375rem;
  font-weight: 700;
  color: var(--white);
}

.page-faq .faq-contact__grid {
  margin-top: 16px;
  display: grid;
  gap: 14px;
}

.page-faq .faq-contact__cell {
  border-top: 1px solid var(--line);
  padding-top: 10px;
  min-width: 0;
}

.page-faq .faq-contact__key {
  display: block;
  font-family: var(--font-mono);
  font-size: 0.6875rem;
  letter-spacing: 0.14em;
  color: var(--sage);
}

.page-faq .faq-contact__val {
  display: block;
  margin-top: 5px;
  font-size: 0.9375rem;
  line-height: 1.6;
  color: var(--paper);
  word-break: break-word;
  font-variant-numeric: tabular-nums;
}

.page-faq .faq-contact__val a {
  color: var(--lime);
  text-decoration: underline;
  text-underline-offset: 3px;
}

.page-faq .faq-contact__val a:hover {
  color: var(--white);
}

.page-faq .faq-contact__note {
  margin: 16px 0 0;
  padding-top: 14px;
  border-top: 1px solid var(--line);
  font-size: 0.8125rem;
  line-height: 1.7;
  color: var(--sage-strong);
}

.page-faq .faq-contact__actions {
  margin: 18px 0 0;
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

/* 平板及桌面 */
@media (min-width: 760px) {
  .page-faq .faq-jump {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 14px;
    align-items: start;
  }

  .page-faq .faq-jump__item:nth-child(2) {
    transform: translateY(14px);
  }

  .page-faq .faq-jump__item:nth-child(3) {
    transform: translateY(28px);
  }

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

  .page-faq .faq-contact__grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 16px 24px;
  }
}

@media (min-width: 900px) {
  .page-faq .faq-shell {
    grid-template-columns: var(--faq-idx) minmax(0, 1fr);
    gap: clamp(24px, 3.4vw, 52px);
    align-items: start;
  }

  .page-faq .faq-index {
    position: sticky;
    top: 96px;
    align-self: start;
  }

  .page-faq .faq-index__list {
    flex-direction: column;
    overflow-x: visible;
    gap: 0;
  }

  .page-faq .faq-index__item {
    flex: 1 1 auto;
  }

  .page-faq .faq-index__link {
    display: flex;
    justify-content: flex-start;
    white-space: normal;
    border: 0;
    border-bottom: 1px solid var(--line);
    border-radius: 0;
    padding: 10px 6px 10px 0;
    background: transparent;
    line-height: 1.5;
  }

  .page-faq .faq-index__link:hover,
  .page-faq .faq-index__link:focus-visible {
    background: transparent;
    color: var(--lime);
    border-color: var(--line);
    padding-left: 6px;
  }

  .page-faq .faq-index__link:hover .faq-index__no,
  .page-faq .faq-index__link:focus-visible .faq-index__no {
    color: var(--orange);
  }

  .page-faq .faq-sec__top {
    flex-wrap: nowrap;
    gap: 16px;
  }

  .page-faq .faq-sec__no {
    padding-top: 6px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-faq .faq-jump__link,
  .page-faq .faq-jump__item,
  .page-faq .qa,
  .page-faq .qa__q,
  .page-faq .faq-index__link {
    transition: none;
  }

  .page-faq .faq-jump__link:hover,
  .page-faq .faq-jump__link:focus-visible {
    transform: none;
  }

  .page-faq .faq-jump__item:nth-child(2),
  .page-faq .faq-jump__item:nth-child(3) {
    transform: none;
  }
}