.page-faq {
  --faq-gap: clamp(18px, 3vw, 32px);
  background: var(--canvas);
  color: var(--ink);
}

/* ── 首屏 ───────────────────────────────────────── */
.page-faq .faq-hero {
  position: relative;
  overflow: hidden;
  padding: clamp(44px, 8vw, 96px) 0 clamp(52px, 7vw, 90px);
  background:
    linear-gradient(118deg, var(--xue) 0%, var(--xue) 42%, var(--xue-deep) 100%);
  color: var(--on-dark);
  border-radius: 0 0 var(--radius-xl) var(--radius-xl);
}

.page-faq .faq-hero::before {
  content: "";
  position: absolute;
  top: -18%;
  right: -14%;
  width: min(560px, 78vw);
  aspect-ratio: 1;
  border-radius: 50%;
  background: radial-gradient(circle at 34% 34%, rgba(201, 154, 61, 0.42), rgba(201, 154, 61, 0) 66%);
  pointer-events: none;
}

.page-faq .faq-hero__ridge {
  position: absolute;
  left: 0;
  right: 0;
  bottom: -2px;
  width: 100%;
  height: clamp(90px, 16vw, 190px);
  opacity: 0.9;
  pointer-events: none;
}

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

.page-faq .faq-hero .breadcrumb__link,
.page-faq .faq-hero .breadcrumb__item {
  color: var(--on-dark-soft);
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.06em;
}

.page-faq .faq-hero .breadcrumb__item[aria-current="page"] {
  color: var(--gold);
}

.page-faq .faq-hero__eyebrow {
  margin: clamp(20px, 3vw, 34px) 0 0;
  font-size: 12px;
  letter-spacing: 0.14em;
  color: var(--gold);
  text-transform: uppercase;
}

.page-faq .faq-hero__title {
  margin: 14px 0 0;
  max-width: 20ch;
  font-size: clamp(32px, 6.2vw, 62px);
  font-weight: 900;
  line-height: 1.14;
  letter-spacing: -0.02em;
  color: #fff;
}

.page-faq .faq-hero__lede {
  margin: 22px 0 0;
  max-width: 56ch;
  font-size: 17px;
  line-height: 1.85;
  color: var(--on-dark-soft);
}

.page-faq .faq-hero__meta {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: clamp(24px, 4vw, 36px);
}

.page-faq .faq-hero__meta .tag-mono {
  background: rgba(252, 251, 248, 0.14);
  color: var(--on-dark);
  border: 1px solid var(--on-dark-line);
}

.page-faq .faq-hero__meta .tag-mono--gold {
  background: var(--gold);
  color: #2A1E05;
  border-color: transparent;
}

/* ── 页面骨架 ───────────────────────────────────── */
.page-faq .faq-shell {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: var(--faq-gap);
  padding-top: clamp(36px, 5vw, 68px);
  padding-bottom: clamp(56px, 8vw, 104px);
}

@media (min-width: 1000px) {
  .page-faq .faq-shell {
    grid-template-columns: minmax(0, 1fr) 236px;
    gap: clamp(32px, 4vw, 60px);
    align-items: start;
  }
}

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

/* ── 右侧分组导航 ───────────────────────────────── */
.page-faq .faq-rail {
  order: -1;
  min-width: 0;
}

.page-faq .faq-rail__title {
  margin: 0 0 10px;
  font-size: 12px;
  letter-spacing: 0.1em;
  color: var(--graphite);
}

.page-faq .faq-rail__list {
  display: flex;
  gap: 8px;
  margin: 0;
  padding: 0 0 6px;
  list-style: none;
  overflow-x: auto;
  scrollbar-width: none;
}

.page-faq .faq-rail__list::-webkit-scrollbar {
  display: none;
}

.page-faq .faq-rail__link {
  display: inline-block;
  padding: 9px 15px;
  border-radius: var(--pill);
  border: 1px solid var(--line);
  background: var(--mist);
  color: var(--graphite);
  font-size: 13.5px;
  font-weight: 500;
  line-height: 1.4;
  white-space: nowrap;
  text-decoration: none;
  transition: background 0.2s var(--ease), color 0.2s var(--ease), border-color 0.2s var(--ease);
}

.page-faq .faq-rail__link:hover,
.page-faq .faq-rail__link:focus-visible {
  background: var(--xue-pale);
  border-color: var(--xue);
  color: var(--xue-deep);
}

.page-faq .faq-rail__link.is-active {
  background: var(--xue-deep);
  border-color: var(--xue-deep);
  color: #fff;
}

@media (min-width: 1000px) {
  .page-faq .faq-rail {
    order: 0;
    position: sticky;
    top: 104px;
    align-self: start;
  }

  .page-faq .faq-rail__list {
    flex-direction: column;
    overflow: visible;
    padding-bottom: 0;
    border-left: 2px solid var(--line);
  }

  .page-faq .faq-rail__link {
    display: block;
    padding: 9px 12px 9px 16px;
    border: 0;
    border-radius: 0 var(--pill) var(--pill) 0;
    background: transparent;
    font-family: var(--font-mono);
    font-size: 12.5px;
    letter-spacing: 0.02em;
    white-space: normal;
  }

  .page-faq .faq-rail__link.is-active {
    background: var(--grape-pale);
    color: var(--grape);
    box-shadow: inset 2px 0 0 var(--grape);
  }
}

/* ── 分组 ───────────────────────────────────────── */
.page-faq .faq-group {
  padding: clamp(24px, 3.6vw, 40px) clamp(18px, 3.2vw, 40px);
  border-radius: var(--radius-lg);
  background: var(--canvas);
  scroll-margin-top: 92px;
}

.page-faq .faq-group + .faq-group {
  margin-top: var(--faq-gap);
}

.page-faq .faq-group:nth-child(even) {
  background: var(--xue-pale);
}

.page-faq .faq-group__head {
  position: relative;
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: 2px 16px;
  padding-left: 18px;
  margin-bottom: clamp(20px, 3vw, 30px);
}

.page-faq .faq-group__head::before {
  content: "";
  position: absolute;
  left: 0;
  top: 8px;
  bottom: 8px;
  width: 2px;
  border-radius: 2px;
  background: var(--grape);
  opacity: 0.75;
}

.page-faq .faq-group__num {
  padding-top: 9px;
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.1em;
  color: var(--grape);
}

.page-faq .faq-group__title {
  margin: 0;
  font-size: clamp(23px, 3.1vw, 33px);
  font-weight: 800;
  line-height: 1.24;
  letter-spacing: -0.02em;
  color: var(--xue-deep);
}

.page-faq .faq-group__lede {
  grid-column: 2;
  margin: 10px 0 0;
  max-width: 58ch;
  font-size: 15.5px;
  line-height: 1.8;
  color: var(--graphite);
}

/* ── 图片 ───────────────────────────────────────── */
.page-faq .faq-figure {
  margin: 0 0 clamp(20px, 3vw, 30px);
  border-radius: var(--radius-lg);
  overflow: hidden;
  background: var(--mist);
}

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

.page-faq .faq-figure__cap {
  display: block;
  padding: 12px 16px;
  font-size: 11.5px;
  letter-spacing: 0.08em;
  color: var(--graphite);
  background: var(--mist);
  border-top: 1px solid var(--line);
}

/* ── 问答条目 ───────────────────────────────────── */
.page-faq .faq-list {
  min-width: 0;
}

.page-faq .faq-item {
  border-top: 1px solid var(--line);
}

.page-faq .faq-item:first-child {
  border-top: 0;
}

.page-faq .faq-item__q {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  padding: 17px 4px;
  cursor: pointer;
  list-style: none;
  font-size: 16.5px;
  font-weight: 700;
  line-height: 1.6;
  letter-spacing: -0.01em;
  color: var(--ink);
  transition: color 0.2s var(--ease);
}

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

.page-faq .faq-item__q::before {
  content: "＋";
  flex: none;
  display: grid;
  place-items: center;
  width: 24px;
  height: 24px;
  margin-top: 3px;
  border-radius: 50%;
  background: var(--gold-pale);
  color: var(--gold-ink);
  font-size: 14px;
  line-height: 1;
  transition: background 0.24s var(--ease), color 0.24s var(--ease);
}

.page-faq .faq-item[open] .faq-item__q {
  color: var(--xue-deep);
}

.page-faq .faq-item[open] .faq-item__q::before {
  content: "－";
  background: var(--gold);
  color: #2A1E05;
}

.page-faq .faq-item__a {
  margin: 0 4px 20px 40px;
  max-width: 62ch;
  font-size: 15.5px;
  line-height: 1.85;
  color: var(--graphite);
}

.page-faq .faq-item__a p {
  margin: 0;
}

.page-faq .faq-item[open] .faq-item__a {
  animation: faq-a-in 0.24s var(--ease) both;
}

@keyframes faq-a-in {
  from {
    opacity: 0;
    transform: translateY(-4px);
  }
  to {
    opacity: 1;
    transform: none;
  }
}

/* ── 苹果设备：文字 + 线框示意并排 ─────────────── */
.page-faq .faq-device {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(20px, 3vw, 32px);
  align-items: start;
}

@media (min-width: 820px) {
  .page-faq .faq-device {
    grid-template-columns: minmax(0, 1.1fr) minmax(0, 0.9fr);
  }
}

.page-faq .faq-figure--device {
  margin-bottom: 0;
  border: 1px solid var(--line);
}

/* ── 反馈行动条 ─────────────────────────────────── */
.page-faq .faq-cta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  margin-top: clamp(20px, 3vw, 28px);
  padding: 20px 24px;
  border-radius: var(--radius-md);
  background: var(--gold-pale);
}

.page-faq .faq-cta__text {
  margin: 0;
  max-width: 46ch;
  font-size: 15px;
  line-height: 1.75;
  color: var(--gold-ink);
}

/* ── 底部相关入口 ───────────────────────────────── */
.page-faq .faq-next {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 14px;
  margin-top: var(--faq-gap);
}

@media (min-width: 720px) {
  .page-faq .faq-next {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

.page-faq .faq-next__card {
  display: flex;
  flex-direction: column;
  gap: 10px;
  padding: 24px 26px;
  border-radius: var(--radius-lg);
  background: var(--canvas);
  border: 1px solid var(--line);
  text-decoration: none;
  transition: border-color 0.22s var(--ease), transform 0.22s var(--ease), background 0.22s var(--ease);
}

.page-faq .faq-next__card:hover,
.page-faq .faq-next__card:focus-visible {
  border-color: var(--xue);
  background: var(--mist);
  transform: translateY(-2px);
}

.page-faq .faq-next__card .tag-mono {
  align-self: flex-start;
}

.page-faq .faq-next__title {
  font-size: 18px;
  font-weight: 800;
  line-height: 1.4;
  letter-spacing: -0.01em;
  color: var(--xue-deep);
}

.page-faq .faq-next__text {
  font-size: 14.5px;
  line-height: 1.75;
  color: var(--graphite);
}

@media (prefers-reduced-motion: reduce) {
  .page-faq .faq-item[open] .faq-item__a {
    animation: none;
  }

  .page-faq .faq-next__card {
    transition: none;
  }
}
</final>