.page-faq {
  --faq-hair: rgba(169, 178, 199, 0.16);
  --faq-radius: 14px;
  background-color: var(--sy-deep);
  color: var(--sy-mist);
  font-family: var(--sy-font);
  font-size: 16px;
  line-height: 1.75;
  padding-bottom: clamp(48px, 8vw, 96px);
  overflow-x: hidden;
}

.page-faq *,
.page-faq *::before,
.page-faq *::after {
  box-sizing: border-box;
}

.page-faq h1,
.page-faq h2,
.page-faq h3 {
  margin: 0;
  font-family: var(--sy-font-display);
  color: var(--sy-paper);
  line-height: 1.25;
  letter-spacing: -0.01em;
}

.page-faq p {
  margin: 0;
}

.page-faq a {
  color: var(--sy-gold);
}

/* 首屏 */
.page-faq .faq-hero {
  position: relative;
  overflow: hidden;
  padding-top: clamp(18px, 4vw, 34px);
  padding-bottom: clamp(26px, 5vw, 50px);
}

.page-faq .faq-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image: var(--sy-grid-pattern);
  background-size: 8px 8px;
  opacity: 0.32;
  pointer-events: none;
  -webkit-mask-image: radial-gradient(130% 100% at 12% 0%, #000 0%, transparent 72%);
  mask-image: radial-gradient(130% 100% at 12% 0%, #000 0%, transparent 72%);
}

.page-faq .faq-hero__inner {
  position: relative;
  display: grid;
  gap: 14px;
  max-width: 44em;
}

.page-faq .faq-hero h1 {
  font-size: var(--sy-t1);
  font-weight: 800;
  letter-spacing: -0.02em;
}

.page-faq .faq-hero__lead {
  max-width: 34em;
  font-size: 16px;
  color: var(--sy-mist);
}

.page-faq .faq-hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 6px;
}

/* 三步路径 */
.page-faq .faq-steps {
  padding-top: clamp(26px, 5vw, 48px);
  padding-bottom: clamp(34px, 6vw, 62px);
  border-bottom: 1px solid var(--faq-hair);
}

.page-faq .faq-section-head {
  display: grid;
  gap: 8px;
  margin-bottom: clamp(18px, 3vw, 28px);
}

.page-faq .faq-section-head h2 {
  font-size: clamp(21px, 3.2vw, 30px);
}

.page-faq .faq-steps__layout {
  display: grid;
  gap: clamp(22px, 4vw, 40px);
}

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

.page-faq .faq-step {
  display: grid;
  gap: 10px;
  padding: 18px 18px 20px;
  background-color: var(--sy-panel);
  border: 1px solid var(--sy-line-soft);
  border-radius: var(--sy-radius);
  transition: border-color var(--sy-dur) var(--sy-ease), transform var(--sy-dur) var(--sy-ease);
}

.page-faq .faq-step:hover,
.page-faq .faq-step:focus-within {
  border-color: var(--sy-gold-line);
  transform: translateY(-2px);
}

.page-faq .faq-step__dot {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 42px;
  height: 42px;
  border-radius: 50%;
  border: 1px solid var(--sy-gold-line);
  background-color: rgba(242, 184, 87, 0.08);
  color: var(--sy-gold);
  font-family: var(--sy-font-display);
  font-size: 15px;
  font-weight: 300;
  font-variant-numeric: tabular-nums;
}

.page-faq .faq-step__body {
  display: grid;
  gap: 6px;
}

.page-faq .faq-step__body h3 {
  font-size: 17px;
  font-weight: 700;
}

.page-faq .faq-step__body p {
  font-size: 14.5px;
  color: var(--sy-mist);
}

.page-faq .faq-steps__figure,
.page-faq .faq-scene__figure {
  margin: 0;
  display: grid;
  gap: 10px;
}

.page-faq .faq-steps__figure img,
.page-faq .faq-scene__figure img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 3 / 2;
  object-fit: cover;
  border-radius: var(--sy-radius);
  border: 1px solid var(--sy-line-soft);
}

.page-faq .faq-steps__figure figcaption,
.page-faq .faq-scene__figure figcaption {
  font-size: 13px;
  color: var(--sy-mist);
}

/* 正文双栏 */
.page-faq .faq-body {
  display: grid;
  gap: clamp(24px, 4vw, 40px);
  padding-top: clamp(30px, 5vw, 56px);
}

.page-faq .faq-toc {
  padding: 14px 16px;
  background-color: rgba(22, 34, 74, 0.6);
  border: 1px solid var(--sy-line-soft);
  border-radius: var(--sy-radius);
}

.page-faq .faq-toc__title {
  margin-bottom: 10px;
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--sy-gold);
}

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

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

.page-faq .faq-toc__list a {
  display: inline-flex;
  align-items: baseline;
  gap: 6px;
  padding: 6px 12px;
  border: 1px solid var(--sy-line-soft);
  border-radius: 999px;
  font-size: 13.5px;
  color: var(--sy-mist);
  text-decoration: none;
  white-space: nowrap;
  transition: color var(--sy-dur) var(--sy-ease), border-color var(--sy-dur) var(--sy-ease);
}

.page-faq .faq-toc__list a:hover,
.page-faq .faq-toc__list a:focus-visible {
  color: var(--sy-paper);
  border-color: var(--sy-gold-line);
}

.page-faq .faq-toc__num {
  color: var(--sy-gold);
  font-size: 11px;
  font-variant-numeric: tabular-nums;
}

.page-faq .faq-block {
  padding-bottom: clamp(6px, 1vw, 10px);
}

.page-faq .faq-block + .faq-block {
  margin-top: clamp(34px, 6vw, 60px);
}

.page-faq .faq-block h2 {
  margin-top: 6px;
  font-size: clamp(20px, 3vw, 27px);
}

.page-faq .faq-block__intro {
  max-width: 34em;
  margin-top: 10px;
  font-size: 15.5px;
  color: var(--sy-mist);
}

/* 产品线分卷 */
.page-faq .faq-vols {
  display: grid;
  gap: 14px;
  margin-top: 22px;
}

.page-faq .faq-vol {
  position: relative;
  padding: 18px 18px 18px 22px;
  background-color: var(--sy-panel);
  border: 1px solid var(--sy-line-soft);
  border-radius: var(--sy-radius-sm);
}

.page-faq .faq-vol::before {
  content: "";
  position: absolute;
  left: 0;
  top: 16px;
  bottom: 16px;
  width: 3px;
  border-radius: 2px;
  background-color: var(--sy-teal);
}

.page-faq .faq-vol h3 {
  margin-top: 10px;
  font-size: 17px;
  font-weight: 700;
}

.page-faq .faq-vol > p {
  margin-top: 8px;
  font-size: 14.5px;
  color: var(--sy-mist);
}

.page-faq .faq-vol__list {
  list-style: none;
  margin: 12px 0 0;
  padding: 0 0 0 14px;
  display: grid;
  gap: 6px;
  border-left: 1px solid var(--sy-line-soft);
}

.page-faq .faq-vol__list li {
  font-size: 13.5px;
  color: var(--sy-mist);
}

.page-faq .faq-vol__list li::before {
  content: "（";
  color: var(--sy-teal);
}

.page-faq .faq-vol__list li::after {
  content: "）";
  color: var(--sy-teal);
}

/* 场景 */
.page-faq .faq-scene__grid {
  display: grid;
  gap: clamp(20px, 3vw, 32px);
  margin-top: 22px;
}

.page-faq .faq-scene__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 16px;
}

.page-faq .faq-scene__item {
  position: relative;
  padding-left: 18px;
}

.page-faq .faq-scene__mark {
  position: absolute;
  left: 0;
  top: 8px;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background-color: var(--sy-teal);
}

.page-faq .faq-scene__mark--gold {
  background-color: var(--sy-gold);
}

.page-faq .faq-scene__mark--orange {
  background-color: var(--sy-orange);
}

.page-faq .faq-scene__mark--violet {
  background-color: var(--sy-violet);
}

.page-faq .faq-scene__item h3 {
  font-size: 16px;
  font-weight: 700;
}

.page-faq .faq-scene__item p {
  margin-top: 4px;
  font-size: 14.5px;
  color: var(--sy-mist);
}

/* 回访 */
.page-faq .faq-return__grid {
  display: grid;
  gap: 20px;
  margin-top: 16px;
  padding: clamp(18px, 3vw, 26px);
  background-color: var(--sy-panel);
  border: 1px solid var(--sy-line-soft);
  border-left: 3px solid var(--sy-gold);
  border-radius: var(--sy-radius);
}

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

.page-faq .faq-return__text p {
  font-size: 14.5px;
  color: var(--sy-mist);
}

.page-faq .faq-return__link {
  justify-self: start;
  font-size: 14px;
  color: var(--sy-gold);
  text-decoration: none;
  border-bottom: 1px solid var(--sy-gold-line);
  padding-bottom: 2px;
}

.page-faq .faq-return__link:hover,
.page-faq .faq-return__link:focus-visible {
  color: var(--sy-gold-soft);
}

.page-faq .faq-return__track {
  display: flex;
  align-items: center;
  gap: 8px;
  flex-wrap: wrap;
}

.page-faq .faq-return__dot {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 38px;
  height: 32px;
  padding: 0 8px;
  border-radius: 999px;
  border: 1px solid var(--sy-line-soft);
  color: var(--sy-mist);
  font-size: 12px;
  font-variant-numeric: tabular-nums;
}

.page-faq .faq-return__arrow {
  color: var(--sy-mist);
  font-size: 14px;
}

.page-faq .faq-return__dot--gold {
  border-color: var(--sy-gold-line);
  color: var(--sy-gold);
  background-color: rgba(242, 184, 87, 0.1);
}

/* 问答 */
.page-faq .faq-qa__list {
  display: grid;
  gap: 10px;
  margin-top: 20px;
}

.page-faq .faq-qa__item {
  position: relative;
  background-color: var(--sy-panel);
  border: 1px solid var(--sy-line-soft);
  border-radius: var(--sy-radius-sm);
  overflow: hidden;
  transition: border-color var(--sy-dur) var(--sy-ease);
}

.page-faq .faq-qa__item::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0;
  bottom: 0;
  width: 3px;
  background-color: var(--sy-teal);
  transition: background-color var(--sy-dur) var(--sy-ease);
}

.page-faq .faq-qa__item:hover {
  border-color: var(--sy-gold-line);
}

.page-faq .faq-qa__item:has(.sy-collapse__btn[aria-expanded="true"])::before,
.page-faq .faq-qa__item[data-open="true"]::before {
  background-color: var(--sy-gold);
}

.page-faq .faq-qa__btn {
  display: flex;
  width: 100%;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 15px 16px 15px 20px;
  background: none;
  border: 0;
  color: var(--sy-paper);
  font-family: var(--sy-font);
  font-size: 15px;
  line-height: 1.5;
  text-align: left;
  cursor: pointer;
}

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

.page-faq .faq-qa__a {
  padding: 0 18px 16px 20px;
  color: var(--sy-mist);
  font-size: 14.5px;
}

/* 联系兜底 */
.page-faq .faq-help {
  margin-top: clamp(34px, 6vw, 60px);
  padding: clamp(22px, 4vw, 36px);
  background-color: var(--sy-paper);
  color: var(--sy-ink);
  border-radius: var(--sy-radius);
}

.page-faq .faq-help h2 {
  color: var(--sy-ink);
  font-size: clamp(20px, 3vw, 26px);
}

.page-faq .faq-help__lead {
  max-width: 34em;
  margin-top: 10px;
  font-size: 15px;
  color: rgba(20, 22, 28, 0.78);
}

.page-faq .faq-help__list {
  display: grid;
  gap: 14px;
  margin: 22px 0 0;
}

.page-faq .faq-help__row {
  display: grid;
  gap: 2px;
}

.page-faq .faq-help__row dt {
  font-size: 12px;
  letter-spacing: 0.08em;
  color: rgba(20, 22, 28, 0.55);
}

.page-faq .faq-help__row dd {
  margin: 0;
  font-size: 16px;
  color: var(--sy-ink);
  word-break: break-word;
}

.page-faq .faq-help__row dd a {
  color: var(--sy-ink);
  text-decoration: underline;
  text-decoration-color: rgba(20, 22, 28, 0.35);
  text-underline-offset: 3px;
}

.page-faq .faq-help__note {
  display: block;
  font-size: 13px;
  color: rgba(20, 22, 28, 0.62);
}

.page-faq .faq-help__btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  margin-top: 24px;
  padding: 10px 18px;
  border: 1px solid rgba(20, 22, 28, 0.35);
  border-radius: 999px;
  color: var(--sy-ink);
  font-size: 14px;
  text-decoration: none;
  transition: background-color var(--sy-dur) var(--sy-ease), border-color var(--sy-dur) var(--sy-ease);
}

.page-faq .faq-help__btn:hover,
.page-faq .faq-help__btn:focus-visible {
  background-color: rgba(20, 22, 28, 0.06);
  border-color: var(--sy-ink);
}

/* 平板与桌面 */
@media (min-width: 720px) {
  .page-faq .faq-vols {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 16px;
  }

  .page-faq .faq-hero__lead {
    font-size: var(--sy-t4);
  }
}

@media (min-width: 900px) {
  .page-faq .faq-steps__layout {
    grid-template-columns: minmax(0, 2fr) minmax(0, 1fr);
    align-items: start;
    gap: clamp(28px, 4vw, 52px);
  }

  .page-faq .faq-steps__list {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 16px;
  }

  .page-faq .faq-body {
    grid-template-columns: 210px minmax(0, 1fr);
    align-items: start;
    gap: clamp(32px, 5vw, 64px);
  }

  .page-faq .faq-toc {
    position: sticky;
    top: 32px;
    padding: 16px 14px;
    background-color: transparent;
    border: 0;
    border-left: 1px solid var(--sy-line-soft);
    border-radius: 0;
  }

  .page-faq .faq-toc__list {
    display: grid;
    gap: 2px;
    overflow: visible;
  }

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

  .page-faq .faq-toc__list a {
    display: flex;
    align-items: baseline;
    gap: 8px;
    padding: 9px 10px 9px 12px;
    border: 0;
    border-left: 2px solid transparent;
    border-radius: 0;
    font-size: 14px;
    white-space: normal;
    margin-left: -1px;
  }

  .page-faq .faq-toc__list a:hover,
  .page-faq .faq-toc__list a:focus-visible {
    border-left-color: var(--sy-gold);
    color: var(--sy-paper);
    font-weight: 700;
  }

  .page-faq .faq-scene__grid {
    grid-template-columns: minmax(0, 1.35fr) minmax(0, 1fr);
    align-items: start;
    gap: clamp(24px, 4vw, 44px);
  }

  .page-faq .faq-return__grid {
    grid-template-columns: minmax(0, 1fr) auto;
    align-items: center;
    gap: 32px;
  }

  .page-faq .faq-help__list {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 24px;
  }
}

@media (min-width: 1180px) {
  .page-faq .faq-step {
    padding: 20px 20px 22px;
  }

  .page-faq .faq-qa__btn {
    font-size: 16px;
    padding: 17px 20px 17px 24px;
  }

  .page-faq .faq-qa__a {
    padding: 0 22px 18px 24px;
    font-size: 15px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-faq .faq-step,
  .page-faq .faq-qa__item,
  .page-faq .faq-qa__item::before,
  .page-faq .faq-help__btn,
  .page-faq .faq-toc__list a {
    transition: none;
  }

  .page-faq .faq-step:hover,
  .page-faq .faq-step:focus-within {
    transform: none;
  }
}