.page-faq {
  --faq-idx: 288px;
  --faq-line: rgba(147, 170, 161, 0.22);
  --faq-panel: rgba(22, 56, 45, 0.58);
  --faq-body-gap: clamp(40px, 5.4vw, 80px);
  color: var(--white);
}

/* ---------- 首屏 ---------- */
.page-faq .faq-hero {
  position: relative;
  overflow: hidden;
  padding: clamp(96px, 11vw, 152px) 0 clamp(40px, 5.4vw, 68px);
  background:
    radial-gradient(118% 92% at 84% -8%, rgba(232, 184, 75, 0.14), transparent 62%),
    radial-gradient(90% 80% at 8% 10%, rgba(61, 139, 253, 0.10), transparent 66%),
    linear-gradient(178deg, var(--green) 0%, var(--ink) 82%);
  border-bottom: 1px solid var(--faq-line);
}

.page-faq .faq-hero__grid {
  position: absolute;
  inset: 0;
  pointer-events: none;
  background-image: repeating-linear-gradient(
    90deg,
    transparent 0 87px,
    rgba(147, 170, 161, 0.075) 87px 88px
  );
  -webkit-mask-image: linear-gradient(180deg, rgba(0, 0, 0, 0.85), transparent 76%);
  mask-image: linear-gradient(180deg, rgba(0, 0, 0, 0.85), transparent 76%);
}

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

.page-faq .faq-hero__crumb {
  margin-bottom: clamp(26px, 3.4vw, 44px);
}

.page-faq .faq-hero__crumb a {
  color: var(--ash);
  text-decoration: none;
  transition: color 0.2s var(--ease);
}

.page-faq .faq-hero__crumb a:hover,
.page-faq .faq-hero__crumb a:focus-visible {
  color: var(--gold);
}

.page-faq .faq-hero__kicker {
  margin: 0 0 14px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--gold);
}

.page-faq .faq-hero__title {
  margin: 0 0 22px;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(32px, 5.2vw, 58px);
  line-height: 1.1;
  letter-spacing: 0.035em;
  color: var(--white);
  max-width: 17em;
}

.page-faq .faq-hero__lede {
  max-width: 44em;
  margin: 0;
  color: rgba(242, 246, 244, 0.78);
}

.page-faq .faq-hero__marks {
  display: flex;
  flex-wrap: wrap;
  gap: 14px 44px;
  margin: clamp(28px, 3.6vw, 44px) 0 0;
  padding: clamp(20px, 2.6vw, 28px) 0 0;
  list-style: none;
  border-top: 1px solid var(--faq-line);
}

.page-faq .faq-hero__marks li {
  display: flex;
  align-items: baseline;
  gap: 10px;
  min-width: 0;
}

.page-faq .faq-hero__mark-num {
  font-family: var(--font-mono);
  font-size: clamp(24px, 2.6vw, 30px);
  font-weight: 600;
  line-height: 1;
  color: var(--gold);
  letter-spacing: -0.02em;
  font-variant-numeric: tabular-nums;
}

.page-faq .faq-hero__mark-text {
  font-size: 13.5px;
  line-height: 1.5;
  color: var(--ash);
}

/* ---------- 主体骨架 ---------- */
.page-faq .faq-body {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(36px, 5vw, 56px);
  padding-top: clamp(48px, 6.4vw, 88px);
  padding-bottom: clamp(64px, 8vw, 120px);
}

/* ---------- 左侧问题索引 ---------- */
.page-faq .faq-index {
  min-width: 0;
}

.page-faq .faq-index__title {
  margin: 0 0 18px;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 19px;
  letter-spacing: 0.08em;
  color: var(--white);
}

.page-faq .faq-search {
  margin-bottom: 26px;
}

.page-faq .faq-search__label {
  display: block;
  margin-bottom: 9px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--ash);
}

.page-faq .faq-search__input {
  box-sizing: border-box;
  width: 100%;
  padding: 12px 18px;
  font-family: var(--font-body);
  font-size: 15px;
  color: var(--white);
  background: rgba(22, 56, 45, 0.72);
  border: 1px solid var(--faq-line);
  border-radius: var(--r-pill);
  outline: none;
  transition: border-color 0.2s var(--ease), box-shadow 0.2s var(--ease), background 0.2s var(--ease);
}

.page-faq .faq-search__input::placeholder {
  color: rgba(147, 170, 161, 0.85);
}

.page-faq .faq-search__input:hover {
  border-color: var(--hairline-strong);
}

.page-faq .faq-search__input:focus-visible {
  border-color: var(--gold);
  background: rgba(22, 56, 45, 0.92);
  box-shadow: 0 0 0 3px rgba(232, 184, 75, 0.22);
}

.page-faq .faq-index__group {
  margin: 22px 0 8px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--gold);
}

.page-faq .faq-index__group:first-of-type {
  margin-top: 0;
}

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

.page-faq .faq-index__list a {
  display: block;
  padding: 9px 12px 9px 14px;
  font-size: 15px;
  line-height: 1.5;
  color: var(--ash);
  text-decoration: none;
  border-left: 2px solid transparent;
  transition: color 0.2s var(--ease), border-color 0.2s var(--ease), background 0.2s var(--ease);
}

.page-faq .faq-index__list a:hover,
.page-faq .faq-index__list a:focus-visible {
  color: var(--white);
  border-left-color: var(--gold);
  background: linear-gradient(90deg, rgba(232, 184, 75, 0.12), transparent 72%);
}

/* ---------- 右侧问答流 ---------- */
.page-faq .faq-stream {
  min-width: 0;
}

.page-faq .faq-group + .faq-group {
  margin-top: clamp(46px, 5.6vw, 84px);
}

.page-faq .faq-group__head {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  align-items: baseline;
  gap: 6px 16px;
  padding-bottom: 16px;
  margin-bottom: 22px;
  border-bottom: 1px solid var(--faq-line);
}

.page-faq .faq-group__num {
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: 0.12em;
  color: var(--gold);
}

.page-faq .faq-group__title {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(22px, 2.5vw, 29px);
  line-height: 1.2;
  letter-spacing: 0.045em;
  color: var(--white);
}

.page-faq .faq-group__note {
  grid-column: 2;
  margin: 6px 0 0;
  font-size: 13.5px;
  line-height: 1.7;
  color: var(--ash);
}

/* ---------- 折叠问答 ---------- */
.page-faq .faq-item {
  margin-bottom: 12px;
  background: linear-gradient(180deg, rgba(22, 56, 45, 0.66), rgba(15, 42, 34, 0.46));
  border: 1px solid var(--faq-line);
  border-radius: var(--r-md);
  overflow: hidden;
  scroll-margin-top: calc(var(--header-h) + 28px);
  transition: border-color 0.22s var(--ease), background 0.22s var(--ease);
}

.page-faq .faq-item:hover {
  border-color: var(--hairline-strong);
}

.page-faq .faq-item[open] {
  border-color: rgba(232, 184, 75, 0.42);
  background: linear-gradient(180deg, rgba(22, 56, 45, 0.86), rgba(15, 42, 34, 0.6));
}

.page-faq .faq-item__summary {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  padding: 17px 20px;
  font-size: 16.5px;
  font-weight: 600;
  line-height: 1.5;
  color: var(--white);
  cursor: pointer;
  list-style: none;
  transition: color 0.2s var(--ease);
}

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

.page-faq .faq-item__summary:hover {
  color: var(--gold-hi);
}

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

.page-faq .faq-item__chevron {
  flex: 0 0 20px;
  width: 20px;
  height: 20px;
  color: var(--gold);
  transition: transform 0.28s var(--ease);
}

.page-faq .faq-item[open] .faq-item__chevron {
  transform: rotate(180deg);
}

.page-faq .faq-item__answer {
  padding: 16px 20px 22px;
  border-top: 1px solid var(--faq-line);
}

.page-faq .faq-item__answer p {
  margin: 0 0 0.85em;
  font-size: 15.5px;
  line-height: 1.8;
  color: rgba(242, 246, 244, 0.86);
}

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

/* ---------- 首发 / 替补 对比 ---------- */
.page-faq .faq-compare {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 12px;
  margin: 18px 0 4px;
}

.page-faq .faq-compare__col {
  padding: 14px 16px;
  border-left: 3px solid var(--gold);
  border-radius: var(--r-sm);
  background: rgba(11, 20, 16, 0.6);
}

.page-faq .faq-compare__col--sub {
  border-left-color: var(--mint);
}

.page-faq .faq-compare__label {
  margin: 0 0 6px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--gold);
}

.page-faq .faq-compare__col--sub .faq-compare__label {
  color: var(--mint);
}

.page-faq .faq-compare__col p {
  margin: 0;
  font-size: 14px;
  line-height: 1.72;
  color: rgba(242, 246, 244, 0.8);
}

/* ---------- 插图 ---------- */
.page-faq .faq-figure {
  margin: 0 0 24px;
  border: 1px solid var(--faq-line);
  border-radius: var(--r-lg);
  overflow: hidden;
  background: var(--turf);
}

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

/* ---------- 底部联系区块 ---------- */
.page-faq .faq-contact {
  margin-top: clamp(46px, 5.6vw, 84px);
  padding: clamp(24px, 3.4vw, 40px);
  border: 1px solid rgba(232, 184, 75, 0.34);
  border-radius: var(--r-lg);
  background:
    radial-gradient(120% 130% at 100% 0%, rgba(232, 184, 75, 0.16), transparent 62%),
    linear-gradient(140deg, rgba(22, 56, 45, 0.92), rgba(11, 20, 16, 0.88));
}

.page-faq .faq-contact__title {
  margin: 0 0 14px;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(22px, 2.6vw, 30px);
  letter-spacing: 0.045em;
  color: var(--white);
}

.page-faq .faq-contact__text {
  max-width: 40em;
  margin: 0 0 22px;
  font-size: 15.5px;
  line-height: 1.8;
  color: rgba(242, 246, 244, 0.82);
}

.page-faq .faq-contact__list {
  display: grid;
  gap: 12px;
  margin: 0 0 26px;
  padding: 0;
  list-style: none;
}

.page-faq .faq-contact__list li {
  display: grid;
  grid-template-columns: 84px minmax(0, 1fr);
  gap: 14px;
  padding-bottom: 12px;
  border-bottom: 1px solid var(--faq-line);
}

.page-faq .faq-contact__list li:last-child {
  padding-bottom: 0;
  border-bottom: none;
}

.page-faq .faq-contact__key {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--ash);
  padding-top: 3px;
}

.page-faq .faq-contact__val {
  font-size: 15px;
  line-height: 1.7;
  color: var(--white);
  word-break: break-word;
}

.page-faq .faq-contact__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-bottom: 18px;
}

.page-faq .faq-contact__foot {
  margin: 0;
  font-size: 13.5px;
  line-height: 1.8;
  color: var(--ash);
}

.page-faq .faq-contact__foot a {
  color: var(--gold);
  text-decoration: none;
  border-bottom: 1px solid rgba(232, 184, 75, 0.45);
  transition: color 0.2s var(--ease), border-color 0.2s var(--ease);
}

.page-faq .faq-contact__foot a:hover,
.page-faq .faq-contact__foot a:focus-visible {
  color: var(--gold-hi);
  border-bottom-color: var(--gold-hi);
}

/* ---------- 窄屏 ---------- */
@media (max-width: 599px) {
  .page-faq .faq-hero__marks {
    gap: 14px 26px;
  }

  .page-faq .faq-hero__marks li {
    flex-direction: column;
    gap: 2px;
  }

  .page-faq .faq-item__summary {
    padding: 15px 16px;
    font-size: 15.5px;
    gap: 12px;
  }

  .page-faq .faq-item__answer {
    padding: 14px 16px 20px;
  }

  .page-faq .faq-contact__list li {
    grid-template-columns: minmax(0, 1fr);
    gap: 4px;
  }
}

/* ---------- 桌面：固定索引 + 问答流 ---------- */
@media (min-width: 900px) {
  .page-faq .faq-body {
    grid-template-columns: var(--faq-idx) minmax(0, 1fr);
    gap: var(--faq-body-gap);
    align-items: start;
  }

  .page-faq .faq-index {
    position: sticky;
    top: calc(var(--header-h) + 30px);
    max-height: calc(100vh - var(--header-h) - 60px);
    overflow-y: auto;
    padding-right: 10px;
    scrollbar-width: thin;
  }

  .page-faq .faq-index::-webkit-scrollbar {
    width: 4px;
  }

  .page-faq .faq-index::-webkit-scrollbar-thumb {
    background: rgba(147, 170, 161, 0.35);
    border-radius: var(--r-pill);
  }

  .page-faq .faq-compare {
    grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
    gap: 14px;
  }

  .page-faq .faq-contact__list {
    grid-template-columns: minmax(0, 1fr);
  }
}

@media (min-width: 1240px) {
  .page-faq .faq-hero__marks {
    gap: 16px 64px;
  }
}
<<<END>>>