.page-faq {
  --faq-rail: 236px;
  --faq-accent: var(--orange);
  background: var(--ink-900);
  color: var(--text-dark);
}

/* ---------- 首屏 ---------- */
.page-faq .faq-hero {
  position: relative;
  border-bottom: 1px solid var(--hairline);
  background:
    radial-gradient(120% 100% at 88% 0%, rgba(37, 230, 200, .12), transparent 62%),
    radial-gradient(80% 90% at 4% 100%, rgba(255, 62, 134, .10), transparent 60%),
    linear-gradient(180deg, var(--ink-800) 0%, var(--ink-900) 100%);
  overflow: hidden;
}

.page-faq .faq-hero::after {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(to right, var(--hairline) 1px, transparent 1px),
    linear-gradient(to bottom, var(--hairline) 1px, transparent 1px);
  background-size: 64px 64px;
  opacity: .28;
  pointer-events: none;
}

.page-faq .faq-hero__inner {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(24px, 4vw, 44px);
  padding-top: clamp(36px, 6vw, 78px);
  padding-bottom: clamp(30px, 5vw, 62px);
}

.page-faq .faq-hero__lead {
  min-width: 0;
  max-width: 48ch;
}

.page-faq .faq-hero__eyebrow {
  margin-top: 16px;
  color: var(--orange);
}

.page-faq .faq-hero__title {
  margin: 12px 0 0;
  font-size: clamp(30px, 6.6vw, 64px);
  line-height: 1.06;
  color: var(--paper-hi);
}

.page-faq .faq-hero__lede {
  margin: 18px 0 0;
  font-size: clamp(15.5px, 1.6vw, 17px);
  line-height: 1.8;
  color: var(--silver);
}

.page-faq .faq-hero__figure {
  margin: 0;
  align-self: end;
}

@media (min-width: 900px) {
  .page-faq .faq-hero__inner {
    grid-template-columns: minmax(0, 1.05fr) minmax(0, .92fr);
    align-items: end;
  }
}

/* ---------- 三步自查 ---------- */
.page-faq .faq-check__head {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 20px;
  padding-bottom: 18px;
  border-bottom: 1px solid var(--hairline);
}

.page-faq .faq-check__title {
  margin: 0;
  font-size: clamp(24px, 3.6vw, 36px);
  font-weight: 900;
  letter-spacing: -.015em;
  line-height: 1.2;
  color: var(--paper-hi);
}

.page-faq .faq-check__label {
  flex: 0 0 auto;
  color: var(--orange);
}

.page-faq .faq-check__note {
  margin: 18px 0 0;
  max-width: 62ch;
  font-size: 15.5px;
  line-height: 1.8;
  color: var(--silver);
}

.page-faq .faq-steps {
  list-style: none;
  margin: clamp(24px, 3.5vw, 38px) 0 0;
  padding: 0;
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(14px, 2vw, 22px);
}

@media (min-width: 780px) {
  .page-faq .faq-steps {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

.page-faq .faq-step {
  position: relative;
  display: grid;
  align-content: start;
  gap: 10px;
  padding: clamp(22px, 2.6vw, 28px);
  background: var(--ink-800);
  border: 1px solid var(--hairline);
}

.page-faq .faq-step::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 46px;
  height: 3px;
  background: var(--cyan);
}

.page-faq .faq-step:nth-child(2)::before {
  background: var(--orange);
}

.page-faq .faq-step:nth-child(3)::before {
  background: var(--magenta);
}

.page-faq .faq-step__num {
  font-family: var(--font-mono);
  font-size: 40px;
  line-height: 1;
  color: transparent;
  -webkit-text-stroke: 1px var(--silver);
}

.page-faq .faq-step__title {
  margin: 0;
  font-size: 18px;
  font-weight: 800;
  letter-spacing: -.01em;
  color: var(--paper-hi);
}

.page-faq .faq-step__text {
  margin: 0;
  font-size: 15px;
  line-height: 1.82;
  color: var(--silver);
}

.page-faq .faq-inline-link {
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px solid rgba(37, 230, 200, .45);
}

.page-faq .faq-inline-link:hover,
.page-faq .faq-inline-link:focus-visible {
  color: var(--paper-hi);
  border-bottom-color: var(--paper-hi);
}

/* ---------- 问答主体 ---------- */
.page-faq .faq-body {
  padding-top: clamp(30px, 5vw, 56px);
}

.page-faq .faq-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(26px, 4vw, 52px);
  align-items: start;
}

@media (min-width: 1000px) {
  .page-faq .faq-layout {
    grid-template-columns: var(--faq-rail) minmax(0, 1fr);
  }

  .page-faq .faq-rail {
    position: sticky;
    top: calc(var(--header-h) + 28px);
  }
}

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

.page-faq .faq-rail__title {
  margin: 0 0 12px;
  color: var(--silver);
  letter-spacing: .12em;
}

.page-faq .faq-rail__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
}

@media (min-width: 1000px) {
  .page-faq .faq-rail__list {
    flex-direction: column;
    flex-wrap: nowrap;
    gap: 2px;
  }
}

.page-faq .faq-rail__link {
  display: block;
  padding: 10px 12px 10px 14px;
  border-left: 2px solid transparent;
  font-size: 14.5px;
  line-height: 1.5;
  color: var(--silver);
  text-decoration: none;
  background: rgba(18, 32, 58, .5);
  transition: color var(--t-fast) var(--ease), border-color var(--t-fast) var(--ease), background var(--t-fast) var(--ease);
}

.page-faq .faq-rail__link:hover,
.page-faq .faq-rail__link:focus-visible {
  color: var(--paper-hi);
  border-left-color: var(--orange);
  background: rgba(255, 106, 43, .08);
  outline: none;
}

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

.page-faq .faq-group {
  --accent: var(--orange);
  scroll-margin-top: calc(var(--header-h) + 26px);
}

.page-faq .faq-group[data-accent="cyan"] {
  --accent: var(--cyan);
}

.page-faq .faq-group[data-accent="magenta"] {
  --accent: var(--magenta);
}

.page-faq .faq-group[data-accent="silver"] {
  --accent: var(--silver);
}

.page-faq .faq-group + .faq-group {
  margin-top: clamp(42px, 6vw, 76px);
}

.page-faq .faq-group__head {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 8px 16px;
  padding-bottom: 18px;
}

.page-faq .faq-group__num {
  font-family: var(--font-mono);
  font-size: clamp(34px, 5vw, 54px);
  line-height: 1;
  color: transparent;
  -webkit-text-stroke: 1px var(--accent);
}

.page-faq .faq-group__title {
  margin: 0;
  font-size: clamp(22px, 3vw, 30px);
  font-weight: 900;
  letter-spacing: -.015em;
  color: var(--paper-hi);
}

.page-faq .faq-group__note {
  flex: 1 1 100%;
  margin: 0;
  font-size: 14.5px;
  line-height: 1.75;
  color: var(--silver);
}

.page-faq .faq-group__foot {
  margin: 20px 0 0;
}

/* ---------- 手风琴条目 ---------- */
.page-faq .faq-group .accordion {
  border-bottom: 1px solid var(--hairline);
}

.page-faq .faq-group .accordion__item {
  border-top: 1px solid var(--hairline);
  background: rgba(18, 32, 58, .32);
  transition: background var(--t-fast) var(--ease);
}

.page-faq .faq-group .accordion__item:hover {
  background: rgba(18, 32, 58, .6);
}

.page-faq .faq-group .accordion__trigger {
  display: flex;
  align-items: center;
  gap: 14px;
  width: 100%;
  padding: 18px 18px;
  margin: 0;
  background: transparent;
  border: 0;
  color: var(--text-dark);
  font-family: var(--font-body);
  font-size: clamp(15.5px, 1.7vw, 17px);
  font-weight: 700;
  line-height: 1.55;
  text-align: left;
  cursor: pointer;
  transition: color var(--t-fast) var(--ease);
}

.page-faq .faq-group .accordion__trigger:hover {
  color: var(--paper-hi);
}

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

.page-faq .accordion__index {
  flex: 0 0 auto;
  font-family: var(--font-mono);
  font-size: 13px;
  color: var(--accent);
  letter-spacing: .04em;
}

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

.page-faq .faq-group .accordion__icon {
  position: relative;
  flex: 0 0 auto;
  width: 16px;
  height: 16px;
  transition: transform var(--t-mid) var(--ease);
}

.page-faq .faq-group .accordion__icon::before,
.page-faq .faq-group .accordion__icon::after {
  content: "";
  position: absolute;
  background: var(--accent);
  transition: background var(--t-fast) var(--ease);
}

.page-faq .faq-group .accordion__icon::before {
  left: 0;
  right: 0;
  top: 7px;
  height: 2px;
}

.page-faq .faq-group .accordion__icon::after {
  top: 0;
  bottom: 0;
  left: 7px;
  width: 2px;
}

.page-faq .faq-group .accordion__trigger[aria-expanded="true"] .accordion__icon {
  transform: rotate(45deg);
}

.page-faq .faq-group .accordion__trigger[aria-expanded="true"] {
  color: var(--paper-hi);
}

.page-faq .faq-group .accordion__panel {
  overflow: hidden;
  transition: height var(--t-mid) var(--ease), opacity var(--t-fast) var(--ease);
}

.page-faq .faq-group .accordion__body {
  padding: 18px 20px 22px;
  background: var(--paper);
  color: var(--ink-text);
  border-left: 3px solid var(--accent);
}

.page-faq .faq-a {
  margin: 0;
  font-size: 15.5px;
  line-height: 1.8;
  color: var(--ink-text);
}

.page-faq .faq-a .faq-inline-link {
  color: #B3341A;
  border-bottom-color: rgba(179, 52, 26, .4);
}

.page-faq .faq-a .faq-inline-link:hover,
.page-faq .faq-a .faq-inline-link:focus-visible {
  color: var(--ink-text);
  border-bottom-color: var(--ink-text);
}

/* ---------- 分组配图 ---------- */
.page-faq .faq-figure {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 12px;
  margin: 4px 0 26px;
}

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

.page-faq .faq-figure__cap {
  margin: 0;
  align-self: center;
  font-size: 13.5px;
  line-height: 1.7;
  color: var(--silver);
}

@media (min-width: 760px) {
  .page-faq .faq-figure {
    grid-template-columns: 180px minmax(0, 1fr);
    align-items: center;
    gap: 20px;
  }
}

/* ---------- 联系区块 ---------- */
.page-faq .faq-stuck {
  padding-bottom: clamp(48px, 7vw, 96px);
}

.page-faq .faq-help {
  position: relative;
  padding: clamp(24px, 4vw, 44px) clamp(22px, 4vw, 48px);
  padding-left: clamp(28px, 4.6vw, 56px);
  border: 1px solid var(--hairline);
  background:
    linear-gradient(120deg, rgba(255, 106, 43, .12), transparent 55%),
    var(--ink-800);
  overflow: hidden;
}

.page-faq .faq-help::before {
  content: "";
  position: absolute;
  inset: 0 auto 0 0;
  width: 3px;
  background: linear-gradient(180deg, var(--orange), var(--magenta) 55%, var(--cyan));
}

.page-faq .faq-help__eyebrow {
  margin: 0;
  color: var(--cyan);
}

.page-faq .faq-help__title {
  margin: 10px 0 0;
  font-size: clamp(22px, 3.2vw, 32px);
  font-weight: 900;
  letter-spacing: -.015em;
  line-height: 1.2;
  color: var(--paper-hi);
}

.page-faq .faq-help__text {
  margin: 14px 0 0;
  max-width: 58ch;
  font-size: 15.5px;
  line-height: 1.82;
  color: var(--silver);
}

.page-faq .faq-help__channels {
  list-style: none;
  margin: 26px 0 0;
  padding: 0;
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 10px;
}

.page-faq .faq-help__channels .contact-line {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px;
  padding: 12px 14px;
  background: rgba(10, 17, 34, .6);
  border: 1px solid var(--hairline);
}

.page-faq .faq-help .contact-line__key {
  flex: 0 0 auto;
  min-width: 68px;
  font-family: var(--font-mono);
  font-size: 12.5px;
  letter-spacing: .06em;
  color: var(--silver);
}

.page-faq .faq-help .contact-line__value {
  flex: 1 1 auto;
  min-width: 0;
  font-family: var(--font-mono);
  font-size: 14.5px;
  color: var(--paper-hi);
  word-break: break-all;
}

.page-faq .faq-help .copy-btn {
  flex: 0 0 auto;
  padding: 6px 12px;
  background: transparent;
  border: 1px solid var(--cyan);
  color: var(--cyan);
  font-family: var(--font-body);
  font-size: 13px;
  line-height: 1.4;
  cursor: pointer;
  transition: background var(--t-fast) var(--ease), color var(--t-fast) var(--ease), border-color var(--t-fast) var(--ease);
}

.page-faq .faq-help .copy-btn:hover,
.page-faq .faq-help .copy-btn:focus-visible {
  background: var(--cyan);
  color: var(--ink-900);
  outline: none;
}

.page-faq .faq-help .copy-btn.is-copied {
  border-color: var(--orange);
  color: var(--orange);
  background: transparent;
}

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

/* ---------- 响应式收尾 ---------- */
@media (min-width: 1000px) {
  .page-faq .faq-group__note {
    flex: 1 1 60%;
  }
}

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