.page-faq {
  --faq-rail: 236px;
  --faq-line: rgba(147, 163, 180, 0.18);
  --faq-panel: rgba(14, 37, 64, 0.55);
  --faq-panel-strong: rgba(14, 37, 64, 0.88);
  background-color: var(--ink-deep);
  color: var(--mist);
}

/* ---------- 首屏 ---------- */

.page-faq .faq-hero {
  position: relative;
  padding: clamp(42px, 8vw, 112px) 0 clamp(30px, 5vw, 64px);
  border-bottom: 1px solid var(--faq-line);
  background:
    radial-gradient(120% 90% at 8% -20%, rgba(59, 30, 90, 0.62), transparent 62%),
    radial-gradient(70% 60% at 100% 0%, rgba(242, 169, 0, 0.13), transparent 64%),
    var(--ink-deep);
  overflow: hidden;
}

.page-faq .faq-hero::after {
  content: "";
  position: absolute;
  right: clamp(-60px, -4vw, -20px);
  bottom: -70px;
  width: clamp(180px, 26vw, 320px);
  height: clamp(180px, 26vw, 320px);
  border-radius: 50%;
  border: 1px solid rgba(242, 169, 0, 0.22);
  box-shadow: inset 0 0 0 22px rgba(242, 169, 0, 0.05);
  pointer-events: none;
}

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

.page-faq .breadcrumbs {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  font-size: 12px;
  font-family: var(--font-mono);
  color: var(--gray);
  margin-bottom: clamp(18px, 3vw, 32px);
}

.page-faq .breadcrumbs a {
  color: var(--gray);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: color var(--transition), border-color var(--transition);
}

.page-faq .breadcrumbs a:hover,
.page-faq .breadcrumbs a:focus-visible {
  color: var(--amber);
  border-bottom-color: var(--amber);
}

.page-faq .faq-hero .eyebrow {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.16em;
  color: var(--cyan);
}

.page-faq .faq-hero h1 {
  margin: 16px 0 0;
  max-width: 17ch;
  font-family: var(--font-display);
  font-weight: 300;
  font-size: clamp(34px, 6.6vw, 74px);
  line-height: 1.08;
  letter-spacing: -0.02em;
  color: var(--mist);
}

.page-faq .faq-hero .lead {
  margin: clamp(18px, 3vw, 30px) 0 0;
  max-width: 46ch;
  font-size: 16px;
  line-height: 1.75;
  color: rgba(232, 237, 242, 0.78);
}

.page-faq .faq-hero__stats {
  list-style: none;
  margin: clamp(28px, 5vw, 52px) 0 0;
  padding: 20px 0 0;
  border-top: 1px solid var(--faq-line);
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 18px 12px;
}

.page-faq .faq-hero__stats li {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.page-faq .faq-hero__stats b {
  font-family: var(--font-mono);
  font-weight: 500;
  font-size: clamp(20px, 3vw, 30px);
  line-height: 1.1;
  color: var(--amber);
  letter-spacing: -0.01em;
}

.page-faq .faq-hero__stats span {
  font-size: 12px;
  color: var(--gray);
}

/* ---------- 主体布局 ---------- */

.page-faq .faq-body {
  padding: clamp(34px, 6vw, 76px) 0 clamp(30px, 5vw, 60px);
}

.page-faq .faq-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(26px, 4vw, 54px);
}

/* ---------- 左侧索引 ---------- */

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

.page-faq .faq-index__label {
  margin: 0 0 12px;
  font-size: 11px;
  letter-spacing: 0.14em;
  color: var(--gray);
}

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

.page-faq .faq-index__link {
  display: inline-flex;
  align-items: baseline;
  gap: 8px;
  padding: 9px 13px;
  border: 1px solid var(--faq-line);
  border-radius: 999px;
  white-space: nowrap;
  font-size: 13px;
  color: var(--gray);
  text-decoration: none;
  transition: color var(--transition), border-color var(--transition), background-color var(--transition);
}

.page-faq .faq-index__link .n {
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--gray);
  transition: color var(--transition);
}

.page-faq .faq-index__link:hover,
.page-faq .faq-index__link:focus-visible {
  color: var(--mist);
  border-color: var(--amber);
  background-color: rgba(242, 169, 0, 0.08);
}

.page-faq .faq-index__link:hover .n,
.page-faq .faq-index__link:focus-visible .n {
  color: var(--cyan);
}

.page-faq .faq-index__hint {
  margin: 16px 0 0;
  font-size: 13px;
  line-height: 1.7;
  color: var(--gray);
}

.page-faq .faq-index__hint a {
  color: var(--amber-soft);
  text-decoration: none;
  border-bottom: 1px solid rgba(242, 169, 0, 0.45);
  transition: color var(--transition), border-color var(--transition);
}

.page-faq .faq-index__hint a:hover,
.page-faq .faq-index__hint a:focus-visible {
  color: var(--mist);
  border-bottom-color: var(--mist);
}

/* ---------- 分组 ---------- */

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

.page-faq .faq-group {
  margin-bottom: clamp(38px, 6vw, 78px);
  scroll-margin-top: calc(var(--header-height) + 24px);
}

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

.page-faq .faq-group__band {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr) auto;
  align-items: center;
  gap: 14px;
  margin: 0 0 18px;
  padding: 12px 20px;
  border-radius: var(--radius-panel);
  border-left: 3px solid var(--amber);
  background: linear-gradient(90deg, rgba(59, 30, 90, 0.92), rgba(11, 27, 43, 0.2));
}

.page-faq .faq-group__index {
  font-size: 12px;
  color: var(--amber);
  letter-spacing: 0.06em;
}

.page-faq .faq-group__title {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 500;
  font-size: clamp(19px, 2.4vw, 25px);
  letter-spacing: -0.01em;
  color: var(--mist);
}

.page-faq .faq-group__hint {
  font-size: 11px;
  color: var(--gray);
  white-space: nowrap;
}

/* ---------- 手风琴条目 ---------- */

.page-faq .faq-item {
  border: 1px solid var(--faq-line);
  border-radius: var(--radius-panel);
  background-color: var(--faq-panel);
  margin-bottom: 10px;
  transition: border-color var(--transition), background-color var(--transition), box-shadow var(--transition);
}

.page-faq .faq-item:hover {
  border-color: rgba(242, 169, 0, 0.5);
  background-color: var(--faq-panel-strong);
}

.page-faq .faq-item[open] {
  border-color: rgba(242, 169, 0, 0.62);
  background-color: var(--faq-panel-strong);
  box-shadow: 0 18px 44px rgba(0, 0, 0, 0.34);
}

.page-faq .faq-item > summary {
  list-style: none;
  cursor: pointer;
  display: grid;
  grid-template-columns: auto minmax(0, 1fr) auto;
  gap: 12px;
  align-items: start;
  padding: 14px 16px;
  font-size: 15px;
  line-height: 1.55;
  color: var(--mist);
  transition: background-color var(--transition);
}

.page-faq .faq-item > summary::-webkit-details-marker {
  display: none;
}

.page-faq .faq-item > summary:focus-visible {
  outline: 2px solid var(--cyan);
  outline-offset: 2px;
  border-radius: var(--radius-panel);
}

.page-faq .faq-item__num {
  font-size: 12px;
  color: var(--gray);
  padding-top: 3px;
  transition: color var(--transition);
}

.page-faq .faq-item:hover .faq-item__num,
.page-faq .faq-item[open] .faq-item__num {
  color: var(--cyan);
}

.page-faq .faq-item__q {
  font-weight: 500;
}

.page-faq .faq-item__mark {
  width: 10px;
  height: 10px;
  margin-top: 6px;
  border-right: 2px solid var(--gray);
  border-bottom: 2px solid var(--gray);
  transform: rotate(45deg);
  transition: transform var(--transition), border-color var(--transition);
}

.page-faq .faq-item[open] .faq-item__mark {
  transform: rotate(225deg);
  border-color: var(--amber);
}

.page-faq .faq-item__body {
  padding: 0 16px 18px 44px;
  font-size: 14px;
  line-height: 1.78;
  color: rgba(232, 237, 242, 0.82);
}

.page-faq .faq-item__body p {
  margin: 0 0 10px;
}

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

.page-faq .faq-item__lead {
  color: var(--amber-soft);
  font-weight: 500;
}

.page-faq .faq-item__body a {
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px solid rgba(0, 229, 195, 0.4);
  transition: color var(--transition), border-color var(--transition);
}

.page-faq .faq-item__body a:hover,
.page-faq .faq-item__body a:focus-visible {
  color: var(--mist);
  border-bottom-color: var(--mist);
}

/* ---------- 步骤编号 ---------- */

.page-faq .faq-steps {
  list-style: none;
  counter-reset: faqstep;
  margin: 12px 0 12px;
  padding: 0;
}

.page-faq .faq-steps li {
  counter-increment: faqstep;
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: 10px;
  padding: 6px 10px;
  border-radius: 12px;
  transition: background-color var(--transition);
}

.page-faq .faq-steps li::before {
  content: counter(faqstep, decimal-leading-zero);
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--amber);
  padding-top: 2px;
  transition: color var(--transition);
}

.page-faq .faq-steps li:hover {
  background-color: rgba(0, 229, 195, 0.07);
}

.page-faq .faq-steps li:hover::before {
  color: var(--cyan);
}

/* ---------- 提醒与配图 ---------- */

.page-faq .faq-note {
  display: flex;
  gap: 9px;
  align-items: flex-start;
  margin-top: 12px !important;
  font-size: 13px;
  line-height: 1.7;
  color: var(--gray);
}

.page-faq .faq-note::before {
  content: "";
  flex: none;
  width: 6px;
  height: 6px;
  margin-top: 8px;
  border-radius: 50%;
  background-color: var(--coral);
}

.page-faq .faq-figure {
  margin: 6px 0 16px;
  padding: 0;
}

.page-faq .faq-figure img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  object-fit: cover;
  border-radius: var(--radius-organic);
  border: 1px solid rgba(242, 169, 0, 0.22);
  background-color: var(--ink-black);
}

.page-faq .faq-figure figcaption {
  margin-top: 10px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.03em;
  color: var(--gray);
}

/* ---------- 人工支持 ---------- */

.page-faq .faq-help {
  padding: clamp(20px, 4vw, 48px) 0 clamp(56px, 8vw, 110px);
  scroll-margin-top: calc(var(--header-height) + 24px);
}

.page-faq .faq-group__band--help {
  border-left-color: var(--cyan);
  background: linear-gradient(90deg, rgba(0, 229, 195, 0.14), rgba(11, 27, 43, 0.15));
}

.page-faq .faq-group__band--help .faq-group__index,
.page-faq .faq-group__band--help .faq-group__hint {
  color: var(--cyan);
}

.page-faq .faq-help__grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(20px, 3vw, 34px);
  align-items: start;
}

.page-faq .faq-help__qa .faq-item:last-child {
  margin-bottom: 0;
}

.page-faq .faq-support {
  border: 1px solid var(--cyan);
  border-radius: var(--radius-organic);
  padding: clamp(22px, 3.4vw, 38px);
  background:
    radial-gradient(110% 90% at 100% 0%, rgba(0, 229, 195, 0.14), transparent 62%),
    linear-gradient(160deg, rgba(14, 37, 64, 0.95), rgba(7, 19, 32, 0.92));
  box-shadow: 0 22px 60px rgba(0, 0, 0, 0.42);
  transition: transform var(--transition), box-shadow var(--transition);
}

.page-faq .faq-support:hover {
  transform: translateY(-4px);
  box-shadow: 0 34px 76px rgba(0, 0, 0, 0.52), 0 0 0 1px rgba(0, 229, 195, 0.42);
}

.page-faq .faq-support__eyebrow {
  margin: 0 0 12px;
  font-size: 11px;
  letter-spacing: 0.14em;
  color: var(--cyan);
}

.page-faq .faq-support__title {
  margin: 0 0 12px;
  font-family: var(--font-display);
  font-weight: 500;
  font-size: clamp(20px, 2.6vw, 27px);
  line-height: 1.35;
  color: var(--mist);
}

.page-faq .faq-support__text {
  margin: 0 0 20px;
  font-size: 14px;
  line-height: 1.75;
  color: rgba(232, 237, 242, 0.78);
}

.page-faq .faq-support__list {
  list-style: none;
  margin: 0 0 18px;
  padding: 16px 0 0;
  border-top: 1px solid rgba(0, 229, 195, 0.24);
  display: grid;
  gap: 12px;
}

.page-faq .faq-support__list li {
  display: grid;
  gap: 4px;
}

.page-faq .faq-support__list .k {
  font-size: 11px;
  letter-spacing: 0.1em;
  color: var(--gray);
}

.page-faq .faq-support__list a {
  font-family: var(--font-mono);
  font-size: 14px;
  color: var(--amber-soft);
  text-decoration: none;
  word-break: break-all;
  border-bottom: 1px solid rgba(242, 169, 0, 0.4);
  justify-self: start;
  transition: color var(--transition), border-color var(--transition);
}

.page-faq .faq-support__list a:hover,
.page-faq .faq-support__list a:focus-visible {
  color: var(--mist);
  border-bottom-color: var(--mist);
}

.page-faq .faq-support__note {
  margin: 0 0 20px;
  font-size: 12px;
  line-height: 1.7;
  color: var(--gray);
}

.page-faq .faq-support .btn {
  border-radius: 999px;
}

/* ---------- 桌面端 ---------- */

@media (min-width: 760px) {
  .page-faq .faq-hero__stats {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }

  .page-faq .faq-item > summary {
    padding: 16px 22px;
    font-size: 16px;
  }

  .page-faq .faq-item__body {
    padding: 0 22px 20px 52px;
    font-size: 15px;
  }

  .page-faq .faq-help__grid {
    grid-template-columns: minmax(0, 1.15fr) minmax(0, 0.85fr);
  }
}

@media (min-width: 980px) {
  .page-faq .faq-layout {
    grid-template-columns: var(--faq-rail) minmax(0, 1fr);
    gap: clamp(38px, 5vw, 76px);
  }

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

  .page-faq .faq-index__list {
    flex-direction: column;
    gap: 2px;
    overflow: visible;
    border-left: 1px solid var(--faq-line);
    padding: 0 0 0 0;
  }

  .page-faq .faq-index__link {
    border: 0;
    border-left: 2px solid transparent;
    border-radius: 0;
    padding: 10px 12px;
    background: transparent;
  }

  .page-faq .faq-index__link:hover,
  .page-faq .faq-index__link:focus-visible {
    border-left-color: var(--amber);
    background-color: rgba(14, 37, 64, 0.72);
  }

  .page-faq .faq-group__band {
    padding: 14px 26px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-faq .faq-support,
  .page-faq .faq-item,
  .page-faq .faq-item__mark,
  .page-faq .faq-index__link,
  .page-faq .faq-steps li {
    transition: none;
  }

  .page-faq .faq-support:hover {
    transform: none;
  }
}
<<<END>>>