.page-faq {
  --faq-rail-w: 236px;
  --faq-rail-top: 96px;
  background: var(--ink);
  color: var(--gray);
}

/* ---------- 首屏 ---------- */
.page-faq .faq-hero {
  position: relative;
  overflow: hidden;
  padding: clamp(24px, 4.5vw, 48px) 0 clamp(36px, 6vw, 72px);
  background:
    radial-gradient(120% 90% at 88% 0%, rgba(38, 242, 192, .14) 0%, rgba(4, 18, 13, 0) 58%),
    linear-gradient(160deg, var(--panel) 0%, var(--ink) 62%);
}

.page-faq .faq-hero::before {
  content: "";
  position: absolute;
  top: -28%;
  right: -14%;
  width: min(720px, 78vw);
  aspect-ratio: 1 / 1;
  background: linear-gradient(155deg, rgba(38, 242, 192, .18) 0%, rgba(38, 242, 192, 0) 60%);
  clip-path: polygon(30% 0, 100% 0, 100% 70%, 0 100%);
  pointer-events: none;
}

.page-faq .faq-hero::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: 0;
  width: 42%;
  height: 2px;
  background: linear-gradient(90deg, var(--cyan) 0%, rgba(38, 242, 192, 0) 100%);
  pointer-events: none;
}

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

.page-faq .faq-hero__grid {
  position: relative;
  z-index: 1;
  display: grid;
  gap: clamp(24px, 4vw, 48px);
  margin-top: clamp(20px, 3vw, 34px);
}

.page-faq .faq-hero__copy h1 {
  margin: 14px 0 0;
  font-family: var(--font-head);
  font-weight: 900;
  font-size: clamp(2.05rem, 5.2vw, 4.05rem);
  line-height: 1.14;
  letter-spacing: -.02em;
  color: var(--paper);
  text-wrap: balance;
}

.page-faq .faq-hero__copy .lede {
  margin-top: 18px;
  max-width: 46em;
  font-size: clamp(1rem, 1.4vw, 1.06rem);
  line-height: 1.8;
  color: var(--gray);
}

.page-faq .faq-hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 26px;
}

.page-faq .faq-hero__media {
  position: relative;
  margin: 0;
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow);
}

.page-faq .faq-hero__media img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 2 / 1;
  object-fit: cover;
}

.page-faq .faq-hero__caption {
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  padding: 14px 18px;
  font-size: 12px;
  letter-spacing: .04em;
  color: var(--cyan-soft);
  background: linear-gradient(0deg, rgba(4, 18, 13, .92) 0%, rgba(4, 18, 13, 0) 100%);
}

/* ---------- 主体双栏 ---------- */
.page-faq .faq-body {
  display: grid;
  gap: clamp(28px, 4vw, 56px);
  padding: clamp(32px, 5vw, 60px) 0 clamp(56px, 8vw, 104px);
  align-items: start;
}

/* ---------- 左侧分类锚点 ---------- */
.page-faq .faq-rail__title {
  margin: 0 0 14px;
  font-size: 12px;
  letter-spacing: .18em;
  color: var(--cyan);
  text-transform: uppercase;
}

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

.page-faq .faq-rail__list li {
  flex: 0 0 auto;
}

.page-faq .faq-rail__link {
  display: block;
  padding: 9px 14px;
  border: 1px solid var(--line);
  border-radius: 999px;
  font-size: .9rem;
  color: var(--gray);
  text-decoration: none;
  white-space: nowrap;
  transition: color var(--t-fast), border-color var(--t-fast), background-color var(--t-fast);
}

.page-faq .faq-rail__link:hover,
.page-faq .faq-rail__link:focus-visible {
  color: var(--paper);
  border-color: var(--cyan);
  background: rgba(38, 242, 192, .08);
}

.page-faq .faq-rail__link[aria-current="true"] {
  color: var(--ink);
  background: var(--cyan);
  border-color: var(--cyan);
  font-weight: 700;
}

/* ---------- 分类与手风琴 ---------- */
.page-faq .faq-flow {
  min-width: 0;
}

.page-faq .faq-group + .faq-group {
  margin-top: clamp(48px, 7vw, 88px);
}

.page-faq .faq-group__head {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: 14px 18px;
  align-items: start;
  padding-bottom: 16px;
  border-bottom: 1px solid var(--line);
  margin-bottom: 22px;
}

.page-faq .faq-group__num {
  font-family: var(--font-num);
  font-size: clamp(1.9rem, 4vw, 2.9rem);
  font-weight: 700;
  line-height: .92;
  letter-spacing: -.03em;
  color: var(--cyan);
}

.page-faq .faq-group__meta h2 {
  margin: 0;
  font-family: var(--font-head);
  font-weight: 900;
  font-size: clamp(1.3rem, 2.4vw, 1.75rem);
  letter-spacing: -.01em;
  color: var(--paper);
}

.page-faq .faq-group__intro {
  margin: 8px 0 0;
  font-size: .95rem;
  line-height: 1.7;
  color: var(--gray);
}

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

.page-faq .accordion__item {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--glass);
  transition: border-color var(--t-fast) ease, background-color var(--t-base) ease, transform var(--t-fast) ease;
}

.page-faq .accordion__item:hover {
  border-color: var(--cyan);
  background: rgba(18, 51, 40, .72);
  transform: translateY(-2px);
}

.page-faq .accordion__item:has([aria-expanded="true"]) {
  border-color: var(--cyan);
  background: rgba(18, 51, 40, .78);
}

.page-faq .accordion__trigger {
  display: flex;
  width: 100%;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 18px 20px;
  border: 0;
  background: transparent;
  cursor: pointer;
  text-align: left;
  color: var(--paper);
  font-family: var(--font-head);
  font-weight: 700;
  font-size: clamp(1rem, 1.6vw, 1.1rem);
  line-height: 1.55;
}

.page-faq .accordion__trigger:focus-visible {
  outline: 2px solid var(--cyan);
  outline-offset: 3px;
  border-radius: var(--radius);
}

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

.page-faq .accordion__icon {
  position: relative;
  flex: 0 0 auto;
  width: 20px;
  height: 20px;
}

.page-faq .accordion__icon::before,
.page-faq .accordion__icon::after {
  content: "";
  position: absolute;
  background: var(--cyan);
  transition: transform var(--t-base) ease-out, opacity var(--t-fast) ease;
}

.page-faq .accordion__icon::before {
  left: 0;
  top: 9px;
  width: 20px;
  height: 2px;
}

.page-faq .accordion__icon::after {
  left: 9px;
  top: 0;
  width: 2px;
  height: 20px;
}

.page-faq .accordion__trigger[aria-expanded="true"] .accordion__icon::after {
  transform: scaleY(0);
  opacity: 0;
}

.page-faq .accordion__panel {
  padding: 0 16px 16px;
}

.page-faq .accordion__panel > p {
  margin: 0;
  padding: 18px 20px;
  border-radius: 10px;
  background: var(--paper);
  color: var(--ink-text);
  font-size: 1rem;
  line-height: 1.8;
}

.page-faq .accordion__panel a {
  color: #0A5B46;
  font-weight: 700;
}

/* ---------- 账号分类配图 ---------- */
.page-faq .faq-figure {
  margin: 22px 0 0;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  overflow: hidden;
  background: var(--panel);
}

.page-faq .faq-figure img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 10 / 7;
  object-fit: cover;
}

.page-faq .faq-figure figcaption {
  padding: 12px 18px;
  font-size: .86rem;
  letter-spacing: .02em;
  color: var(--gray);
  border-top: 1px solid var(--line);
}

/* ---------- 结尾色带 ---------- */
.page-faq .faq-cta {
  position: relative;
  padding: clamp(40px, 6vw, 72px) 0;
  background: linear-gradient(120deg, var(--panel-hi) 0%, var(--ink) 68%);
  border-top: 1px solid var(--line);
}

.page-faq .faq-cta::before {
  content: "";
  position: absolute;
  inset: 0 auto 0 0;
  width: 4px;
  background: linear-gradient(180deg, var(--flare) 0%, var(--amber) 100%);
}

.page-faq .faq-cta__inner {
  display: grid;
  gap: 24px;
  align-items: center;
}

.page-faq .faq-cta__copy h2 {
  margin: 10px 0 0;
  font-family: var(--font-head);
  font-weight: 900;
  font-size: clamp(1.4rem, 3vw, 2.1rem);
  line-height: 1.25;
  letter-spacing: -.015em;
  color: var(--paper);
}

.page-faq .faq-cta__copy p {
  margin: 12px 0 0;
  max-width: 52em;
  font-size: .98rem;
  line-height: 1.78;
  color: var(--gray);
}

.page-faq .faq-cta .btn {
  justify-self: start;
}

/* ---------- 桌面端 ---------- */
@media (min-width: 768px) {
  .page-faq .faq-cta__inner {
    grid-template-columns: minmax(0, 1fr) auto;
    gap: 40px;
  }

  .page-faq .faq-cta .btn {
    justify-self: end;
  }
}

@media (min-width: 960px) {
  .page-faq .faq-hero__grid {
    grid-template-columns: minmax(0, 1.08fr) minmax(0, .92fr);
    align-items: end;
  }

  .page-faq .faq-hero__media {
    transform: rotate(-1.2deg);
  }

  .page-faq .accordion__trigger {
    padding: 20px 24px;
  }

  .page-faq .accordion__panel {
    padding: 0 20px 20px;
  }
}

@media (min-width: 1024px) {
  .page-faq .faq-body {
    grid-template-columns: var(--faq-rail-w) minmax(0, 1fr);
    gap: clamp(40px, 5vw, 72px);
  }

  .page-faq .faq-rail {
    position: sticky;
    top: var(--faq-rail-top);
    align-self: start;
    padding-right: 18px;
    border-right: 1px solid var(--line);
  }

  .page-faq .faq-rail__list {
    flex-direction: column;
    overflow-x: visible;
    gap: 6px;
    padding-bottom: 0;
  }

  .page-faq .faq-rail__link {
    border: 0;
    border-left: 2px solid transparent;
    border-radius: 0;
    padding: 8px 12px;
    font-size: .95rem;
    white-space: normal;
  }

  .page-faq .faq-rail__link:hover,
  .page-faq .faq-rail__link:focus-visible {
    background: rgba(38, 242, 192, .06);
  }

  .page-faq .faq-rail__link[aria-current="true"] {
    color: var(--cyan);
    background: linear-gradient(90deg, rgba(38, 242, 192, .14) 0%, rgba(38, 242, 192, 0) 100%);
    border-left-color: var(--cyan);
    font-weight: 700;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-faq .accordion__item,
  .page-faq .accordion__icon::before,
  .page-faq .accordion__icon::after,
  .page-faq .faq-rail__link {
    transition: none;
  }
}
<<<END>>>