.page-faq {
  overflow-x: clip;
  background: var(--c-white);
  color: var(--c-lake);
  font-family: var(--font-body);
}

/* ---------- 首屏 ---------- */
.page-faq .faq-hero {
  position: relative;
  overflow: hidden;
  padding: clamp(28px, 5vw, 56px) 0 0;
  background: linear-gradient(160deg, var(--c-lake) 0%, #0a3350 56%, var(--c-deep) 100%);
  color: var(--c-mist);
}

.page-faq .faq-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(90deg, rgba(201, 214, 222, .10) 1px, transparent 1px),
    linear-gradient(180deg, rgba(201, 214, 222, .10) 1px, transparent 1px);
  background-size: 48px 48px;
  pointer-events: none;
}

.page-faq .faq-hero::after {
  content: "";
  position: absolute;
  right: -140px;
  bottom: -190px;
  width: 460px;
  height: 460px;
  border-radius: 50%;
  pointer-events: none;
  background: radial-gradient(circle at center,
    transparent 0 25%,
    rgba(201, 214, 222, .22) 25% 26%,
    transparent 26% 40%,
    rgba(232, 117, 43, .32) 40% 41%,
    transparent 41% 55%,
    rgba(201, 214, 222, .16) 55% 56%,
    transparent 56% 100%);
}

.page-faq .faq-hero__inner,
.page-faq .faq-hero__quickwrap {
  position: relative;
  z-index: 1;
}

.page-faq .faq-crumbs {
  margin: 0 0 clamp(18px, 3vw, 30px);
  font-size: 13px;
}

.page-faq .faq-crumbs .crumbs__item {
  color: rgba(244, 247, 249, .70);
  text-decoration: none;
}

.page-faq .faq-crumbs a.crumbs__item:hover {
  color: var(--c-orange);
}

.page-faq .faq-crumbs .crumbs__item[aria-current="page"] {
  color: var(--c-mist);
  font-weight: 600;
}

.page-faq .faq-crumbs .crumbs__sep {
  margin: 0 8px;
  color: rgba(244, 247, 249, .38);
}

.page-faq .faq-hero__eyebrow {
  margin: 0 0 12px;
  font-family: var(--font-num);
  font-size: 12px;
  letter-spacing: .30em;
  color: var(--c-orange);
}

.page-faq .faq-hero h1 {
  margin: 0 0 18px;
  max-width: 20ch;
  font-family: var(--font-display);
  font-size: clamp(31px, 5.2vw, 56px);
  font-weight: 800;
  line-height: 1.16;
  letter-spacing: .08em;
}

.page-faq .faq-hero__lede {
  margin: 0;
  max-width: 62ch;
  font-size: clamp(15px, 1.6vw, 17px);
  line-height: 1.85;
  color: rgba(244, 247, 249, .82);
}

.page-faq .faq-hero__quickwrap {
  margin-top: clamp(26px, 4vw, 44px);
}

.page-faq .faq-quick {
  list-style: none;
  margin: 0 -12px;
  padding: 0;
  display: grid;
  grid-template-columns: 1fr;
  border-top: 1px solid rgba(201, 214, 222, .26);
}

.page-faq .faq-quick__item {
  border-bottom: 1px solid rgba(201, 214, 222, .26);
}

.page-faq .faq-quick__link {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 10px;
  padding: 15px 12px;
  color: var(--c-mist);
  text-decoration: none;
  transition: background-color .2s var(--ease);
}

.page-faq .faq-quick__link:hover,
.page-faq .faq-quick__link:focus-visible {
  background: rgba(232, 117, 43, .14);
}

.page-faq .faq-quick__label {
  font-family: var(--font-display);
  font-size: 17px;
  font-weight: 700;
  letter-spacing: .10em;
}

.page-faq .faq-quick__hint {
  font-size: 13px;
  color: rgba(244, 247, 249, .62);
}

/* ---------- 主体布局 ---------- */
.page-faq .faq-body {
  padding: clamp(34px, 5vw, 66px) 0 clamp(40px, 6vw, 80px);
  background: var(--c-white);
}

.page-faq .faq-layout {
  display: grid;
  gap: 30px;
}

.page-faq .faq-aside {
  order: -1;
  display: grid;
  gap: 16px;
}

.page-faq .faq-aside__visual {
  margin: 0;
  max-width: 190px;
}

.page-faq .faq-aside__visual img {
  display: block;
  width: 100%;
  height: auto;
  border: var(--hairline);
  background: var(--c-mist);
}

.page-faq .faq-index__label {
  margin: 0 0 10px;
  font-family: var(--font-num);
  font-size: 12px;
  letter-spacing: .26em;
  color: var(--c-gravel);
}

.page-faq .faq-index {
  display: flex;
  gap: 8px;
  margin: 0;
  padding: 0 2px 8px;
  overflow-x: auto;
  scrollbar-width: thin;
}

.page-faq .faq-index__link {
  flex: none;
  display: flex;
  align-items: center;
  gap: 9px;
  padding: 10px 14px;
  border: var(--hairline);
  border-radius: var(--radius);
  background: var(--c-white);
  color: var(--c-lake);
  font-size: 14px;
  white-space: nowrap;
  text-decoration: none;
  transition: border-color .2s var(--ease), color .2s var(--ease), background-color .2s var(--ease);
}

.page-faq .faq-index__link:hover {
  border-color: var(--c-lake-mid);
  color: var(--c-lake-mid);
}

.page-faq .faq-index__link[aria-current="true"] {
  border-color: var(--c-orange);
  box-shadow: inset 3px 0 0 var(--c-orange);
  font-weight: 600;
  background: var(--c-orange-soft);
}

.page-faq .faq-index__num {
  font-family: var(--font-num);
  font-size: 12px;
  color: var(--c-gravel);
}

.page-faq .faq-index__link[aria-current="true"] .faq-index__num {
  color: var(--c-orange);
}

/* ---------- 问答组 ---------- */
.page-faq .faq-group {
  scroll-margin-top: 88px;
}

.page-faq .faq-group + .faq-group {
  margin-top: clamp(38px, 5vw, 68px);
}

.page-faq .faq-group--entry { --grp: var(--c-orange); }
.page-faq .faq-group--fee { --grp: var(--c-lake-mid); }
.page-faq .faq-group--device { --grp: var(--c-barley); }
.page-faq .faq-group--feedback { --grp: var(--c-orange); }

.page-faq .faq-group__head {
  display: flex;
  align-items: flex-start;
  gap: clamp(14px, 2.4vw, 26px);
  padding-bottom: 14px;
  border-bottom: 3px solid var(--grp, var(--c-orange));
}

.page-faq .faq-group__num {
  flex: none;
  font-family: var(--font-display);
  font-size: clamp(30px, 5vw, 42px);
  font-weight: 800;
  line-height: 1;
  letter-spacing: .06em;
  color: var(--grp, var(--c-orange));
}

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

.page-faq .faq-group__title {
  margin: 0 0 6px;
  font-family: var(--font-display);
  font-size: clamp(21px, 2.6vw, 28px);
  font-weight: 700;
  line-height: 1.3;
  letter-spacing: .06em;
}

.page-faq .faq-group__lede {
  margin: 0;
  max-width: 54ch;
  font-size: 14.5px;
  line-height: 1.7;
  color: var(--c-gravel);
}

.page-faq .faq-group__body {
  margin-top: 4px;
  display: grid;
  gap: 22px;
}

.page-faq .faq-list {
  list-style: none;
  margin: 0;
  padding: 0;
}

.page-faq .faq-item {
  border-bottom: var(--hairline);
}

.page-faq .faq-item__q {
  margin: 0;
  font-size: inherit;
  font-weight: inherit;
}

.page-faq .faq-fold__btn {
  display: flex;
  align-items: flex-start;
  gap: 14px;
  width: 100%;
  padding: 16px 12px 16px 14px;
  border: 0;
  border-left: 3px solid transparent;
  background: transparent;
  color: var(--c-lake);
  font-family: inherit;
  font-size: 16.5px;
  font-weight: 600;
  line-height: 1.6;
  text-align: left;
  cursor: pointer;
  transition: border-color .2s var(--ease), background-color .2s var(--ease);
}

.page-faq .faq-fold__btn:hover {
  background: var(--c-mist);
}

.page-faq .faq-fold__btn:focus-visible {
  outline: 2px solid var(--c-lake-mid);
  outline-offset: -2px;
}

.page-faq .faq-fold[data-open] .faq-fold__btn {
  border-left-color: var(--c-orange);
  background: linear-gradient(90deg, rgba(232, 117, 43, .09), rgba(232, 117, 43, 0) 64%);
}

.page-faq .faq-fold__q {
  flex: 1 1 auto;
  min-width: 0;
}

.page-faq .faq-fold__arrow {
  flex: none;
  width: 9px;
  height: 9px;
  margin-top: 8px;
  border-right: 2px solid var(--c-gravel);
  border-bottom: 2px solid var(--c-gravel);
  transform: rotate(45deg);
  transition: transform .2s var(--ease), border-color .2s var(--ease);
}

.page-faq .faq-fold[data-open] .faq-fold__arrow {
  border-color: var(--c-orange);
  transform: rotate(-135deg);
}

.page-faq .faq-fold__panel {
  border-top: 1px solid var(--c-line);
  background: var(--c-mist);
}

.page-faq .faq-fold__body {
  padding: 15px 18px 18px 32px;
}

.page-faq .faq-fold__body p {
  margin: 0;
  font-size: 15.5px;
  line-height: 1.9;
  color: var(--c-lake);
}

.page-faq .faq-device-figure {
  margin: 0;
}

.page-faq .faq-device-figure img {
  display: block;
  width: 100%;
  height: auto;
  border: var(--hairline);
  background: var(--c-mist);
}

.page-faq .faq-device-figure figcaption {
  margin-top: 10px;
  font-size: 13px;
  line-height: 1.6;
  color: var(--c-gravel);
}

/* ---------- 收尾联系区 ---------- */
.page-faq .faq-cta {
  position: relative;
  overflow: hidden;
  padding: clamp(34px, 5vw, 58px) 0;
  background: var(--c-deep);
  color: var(--c-mist);
}

.page-faq .faq-cta::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(90deg, rgba(201, 214, 222, .07) 1px, transparent 1px),
    linear-gradient(180deg, rgba(201, 214, 222, .07) 1px, transparent 1px);
  background-size: 48px 48px;
  pointer-events: none;
}

.page-faq .faq-cta__inner {
  position: relative;
  z-index: 1;
  display: grid;
  gap: 24px;
}

.page-faq .faq-cta h2 {
  margin: 0 0 10px;
  font-family: var(--font-display);
  font-size: clamp(22px, 3vw, 30px);
  font-weight: 700;
  line-height: 1.35;
  letter-spacing: .08em;
}

.page-faq .faq-cta p {
  margin: 0;
  max-width: 58ch;
  font-size: 15px;
  line-height: 1.85;
  color: rgba(244, 247, 249, .80);
}

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

.page-faq .faq-cta .btn--ghost {
  border-color: rgba(201, 214, 222, .48);
  color: var(--c-mist);
}

.page-faq .faq-cta .btn--ghost:hover {
  border-color: var(--c-orange);
  color: var(--c-orange);
}

/* ---------- 响应式 ---------- */
@media (min-width: 700px) {
  .page-faq .faq-quick {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .page-faq .faq-quick__item {
    border-bottom: 0;
    border-right: 1px solid rgba(201, 214, 222, .26);
  }

  .page-faq .faq-quick__item:last-child {
    border-right: 0;
  }
}

@media (min-width: 760px) {
  .page-faq .faq-group--device .faq-group__body {
    grid-template-columns: minmax(0, 1fr) minmax(190px, 276px);
    align-items: start;
  }
}

@media (min-width: 800px) {
  .page-faq .faq-cta__inner {
    grid-template-columns: minmax(0, 1fr) auto;
    align-items: center;
    gap: 44px;
  }
}

@media (min-width: 960px) {
  .page-faq .faq-layout {
    grid-template-columns: minmax(0, 1fr) 236px;
    gap: 56px;
  }

  .page-faq .faq-aside {
    order: 0;
    align-content: start;
  }

  .page-faq .faq-aside__visual {
    max-width: 100%;
  }

  .page-faq .faq-aside__box {
    position: sticky;
    top: 22px;
  }

  .page-faq .faq-index {
    flex-direction: column;
    overflow: visible;
    padding: 0;
  }

  .page-faq .faq-index__link {
    white-space: normal;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-faq *,
  .page-faq *::before,
  .page-faq *::after {
    transition: none !important;
    animation: none !important;
  }
}