.page-faq {
  --faq-gap: clamp(18px, 3vw, 34px);
  --faq-stripe: repeating-linear-gradient(135deg, rgba(34, 230, 255, 0.14) 0 2px, transparent 2px 12px);
  color: var(--ice);
  padding-bottom: clamp(40px, 7vw, 88px);
}

.page-faq .crumbs {
  margin-top: clamp(14px, 2.4vw, 24px);
}

/* ---------- 首屏 ---------- */
.page-faq .faq-hero {
  display: grid;
  gap: 16px;
  padding: clamp(20px, 3.6vw, 44px) 0 clamp(24px, 4vw, 40px);
}

.page-faq .faq-hero h1 {
  margin: 0;
  max-width: 22ch;
  font-size: clamp(1.95rem, 5.2vw, 3.6rem);
  font-weight: 800;
  font-stretch: 88%;
  line-height: 1.14;
  letter-spacing: -0.015em;
  color: var(--ice);
  background: linear-gradient(102deg, var(--ice) 26%, var(--mist) 58%, var(--cyan) 100%);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  color: transparent;
}

.page-faq .faq-hero .lede {
  margin: 0;
  max-width: 60ch;
  font-size: clamp(0.94rem, 1.4vw, 1.05rem);
  line-height: 1.85;
  color: var(--steel);
}

.page-faq .faq-hero__tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 4px;
}

.page-faq .faq-hero__tags .tag {
  text-decoration: none;
  letter-spacing: 0.02em;
  transition: transform var(--dur) var(--ease), filter var(--dur) var(--ease);
}

.page-faq .faq-hero__tags .tag:hover,
.page-faq .faq-hero__tags .tag:focus-visible {
  transform: translateY(-2px);
  filter: brightness(1.12);
}

/* ---------- 两步路径 ---------- */
.page-faq .faq-path {
  position: relative;
  margin-top: var(--faq-gap);
  padding: clamp(20px, 3.4vw, 38px);
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background:
    radial-gradient(120% 140% at 100% 0%, rgba(34, 230, 255, 0.16), transparent 58%),
    radial-gradient(90% 120% at 0% 100%, rgba(255, 106, 42, 0.13), transparent 62%),
    var(--panel-b);
}

.page-faq .faq-path::before {
  content: "";
  position: absolute;
  inset: 0 0 auto 0;
  height: 2px;
  background: linear-gradient(90deg, var(--orange), var(--cyan) 55%, transparent);
}

.page-faq .faq-path__head {
  display: grid;
  gap: 8px;
  max-width: 58ch;
}

.page-faq .faq-path__head .eyebrow {
  color: var(--orange);
}

.page-faq .faq-path__head h2 {
  margin: 0;
  font-size: clamp(1.35rem, 3vw, 2.05rem);
  font-weight: 800;
  font-stretch: 90%;
  line-height: 1.2;
  letter-spacing: -0.01em;
  color: var(--ice);
}

.page-faq .faq-path__head p {
  margin: 0;
  font-size: 0.92rem;
  line-height: 1.75;
  color: var(--steel);
}

.page-faq .faq-path__grid {
  display: grid;
  gap: clamp(18px, 3vw, 30px);
  margin-top: clamp(18px, 3vw, 28px);
}

.page-faq .faq-path__figure {
  margin: 0;
  border-radius: var(--radius);
  overflow: hidden;
  border: 1px solid var(--line-soft);
}

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

.page-faq .faq-step {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: 14px;
  padding: 16px 18px;
  border: 1px solid var(--line-soft);
  border-radius: var(--radius);
  background: linear-gradient(120deg, rgba(12, 33, 55, 0.95), rgba(6, 20, 36, 0.72));
}

.page-faq .faq-step:first-child {
  border-left: 2px solid var(--cyan);
}

.page-faq .faq-step:last-child {
  border-left: 2px solid var(--orange);
}

.page-faq .faq-step__num {
  font-family: var(--font-mono);
  font-size: 1.5rem;
  line-height: 1;
  letter-spacing: -0.03em;
  color: var(--cyan);
}

.page-faq .faq-step:last-child .faq-step__num {
  color: var(--orange);
}

.page-faq .faq-step h3 {
  margin: 0 0 6px;
  font-size: 0.98rem;
  font-weight: 700;
  line-height: 1.4;
  color: var(--ice);
}

.page-faq .faq-step p {
  margin: 0;
  font-size: 0.88rem;
  line-height: 1.78;
  color: var(--steel);
}

/* ---------- 索引 + 问答 ---------- */
.page-faq .faq-body {
  display: grid;
  gap: clamp(22px, 3.4vw, 38px);
  margin-top: clamp(30px, 5vw, 58px);
}

.page-faq .faq-index {
  display: grid;
  gap: 12px;
  align-content: start;
}

.page-faq .faq-index__title {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--cyan);
}

.page-faq .faq-index__list {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-faq .faq-index__link {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 8px 12px;
  border: 1px solid var(--line-soft);
  border-radius: var(--radius);
  color: var(--steel);
  font-size: 0.86rem;
  text-decoration: none;
  transition: color var(--dur) var(--ease), border-color var(--dur) var(--ease),
    background var(--dur) var(--ease);
}

.page-faq .faq-index__link:hover,
.page-faq .faq-index__link:focus-visible {
  color: var(--ice);
  border-color: var(--cyan);
  background: rgba(34, 230, 255, 0.08);
}

.page-faq .faq-index__num {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.04em;
  color: var(--cyan);
}

.page-faq .faq-index__hint {
  margin: 0;
  font-size: 0.8rem;
  line-height: 1.7;
  color: var(--steel);
}

.page-faq .faq-index__hint a {
  color: var(--cyan);
  text-underline-offset: 3px;
}

/* ---------- 分组 ---------- */
.page-faq .faq-group {
  border-top: 1px solid var(--line-soft);
  padding-top: clamp(20px, 3vw, 28px);
  scroll-margin-top: calc(var(--header-h) + 24px);
}

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

.page-faq .faq-group__head {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: 14px;
  align-items: start;
  margin-bottom: clamp(14px, 2.4vw, 20px);
}

.page-faq .faq-group__idx {
  display: inline-grid;
  place-items: center;
  width: 38px;
  height: 38px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: linear-gradient(140deg, rgba(34, 230, 255, 0.22), rgba(34, 230, 255, 0.04));
  font-family: var(--font-mono);
  font-size: 0.9rem;
  color: var(--cyan);
}

.page-faq .faq-group__head h2 {
  margin: 0;
  font-size: clamp(1.2rem, 2.4vw, 1.6rem);
  font-weight: 800;
  font-stretch: 92%;
  line-height: 1.26;
  color: var(--ice);
}

.page-faq .faq-group__head p {
  margin: 6px 0 0;
  font-size: 0.86rem;
  line-height: 1.7;
  color: var(--steel);
}

.page-faq .faq-figure {
  margin: 0 0 clamp(14px, 2.4vw, 20px);
  border: 1px solid var(--line-soft);
  border-radius: var(--radius);
  overflow: hidden;
}

/* ---------- 折叠问答 ---------- */
.page-faq .qa {
  border: 1px solid var(--line-soft);
  border-radius: var(--radius);
  background: var(--panel-b);
  overflow: hidden;
  transition: border-color var(--dur) var(--ease), box-shadow var(--dur) var(--ease);
}

.page-faq .qa + .qa {
  margin-top: 10px;
}

.page-faq .qa[open] {
  border-color: var(--line);
  box-shadow: inset 3px 0 0 var(--cyan);
}

.page-faq .qa > summary {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr) auto;
  gap: 12px;
  align-items: center;
  padding: 14px 16px;
  list-style: none;
  cursor: pointer;
  font-size: 0.94rem;
  font-weight: 600;
  line-height: 1.55;
  color: var(--ice);
  transition: background var(--dur) var(--ease);
}

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

.page-faq .qa > summary:hover {
  background: rgba(34, 230, 255, 0.07);
}

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

.page-faq .qa__num {
  font-family: var(--font-mono);
  font-size: 0.74rem;
  letter-spacing: 0.04em;
  color: var(--steel);
  transition: color var(--dur) var(--ease);
}

.page-faq .qa[open] .qa__num {
  color: var(--lime);
}

.page-faq .qa__chev {
  width: 9px;
  height: 9px;
  border-right: 2px solid var(--steel);
  border-bottom: 2px solid var(--steel);
  transform: rotate(45deg) translateY(-2px);
  transition: transform var(--dur) var(--ease), border-color var(--dur) var(--ease);
}

.page-faq .qa[open] .qa__chev {
  transform: rotate(-135deg) translateY(-2px);
  border-color: var(--lime);
}

.page-faq .qa__body {
  padding: 14px 16px 16px;
  border-top: 1px solid var(--line-soft);
  font-size: 0.9rem;
  line-height: 1.85;
  color: rgba(244, 248, 255, 0.82);
}

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

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

.page-faq .qa__body a {
  color: var(--cyan);
  text-underline-offset: 3px;
}

/* ---------- 联络支持 ---------- */
.page-faq .faq-support {
  display: grid;
  gap: 10px;
  margin-top: 16px;
}

.page-faq .faq-support__item {
  display: grid;
  gap: 5px;
  padding: 14px 16px;
  border: 1px solid var(--line-soft);
  border-top: 2px solid var(--cyan);
  border-radius: var(--radius);
  background: linear-gradient(160deg, rgba(12, 33, 55, 0.95), rgba(6, 20, 36, 0.7));
}

.page-faq .faq-support__k {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.16em;
  color: var(--cyan);
}

.page-faq .faq-support__v {
  font-family: var(--font-mono);
  font-size: 0.9rem;
  line-height: 1.5;
  color: var(--ice);
  overflow-wrap: anywhere;
}

.page-faq .faq-support__n {
  font-size: 0.76rem;
  color: var(--steel);
}

.page-faq .faq-support__cta {
  margin-top: 16px;
}

/* ---------- 响应式 ---------- */
@media (min-width: 640px) {
  .page-faq .faq-support {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .page-faq .qa__body {
    padding-left: 20px;
    padding-right: 20px;
  }
}

@media (min-width: 860px) {
  .page-faq .faq-path__grid {
    grid-template-columns: minmax(0, 1fr) minmax(0, 1.05fr);
    align-items: center;
  }
}

@media (min-width: 940px) {
  .page-faq .faq-body {
    grid-template-columns: 232px minmax(0, 1fr);
    gap: clamp(28px, 4vw, 56px);
    align-items: start;
  }

  .page-faq .faq-index {
    position: sticky;
    top: calc(var(--header-h) + 20px);
  }

  .page-faq .faq-index__list {
    display: grid;
    gap: 2px;
  }

  .page-faq .faq-index__link {
    border: 0;
    border-left: 1px solid var(--line-soft);
    border-radius: 0;
    padding: 10px 0 10px 14px;
    font-size: 0.9rem;
  }

  .page-faq .faq-index__link:hover,
  .page-faq .faq-index__link:focus-visible {
    border-left-color: var(--cyan);
    background: linear-gradient(90deg, rgba(34, 230, 255, 0.1), transparent);
  }

  .page-faq .qa > summary {
    font-size: 0.98rem;
    padding: 16px 20px;
  }
}

@media (min-width: 1100px) {
  .page-faq .faq-hero {
    grid-template-columns: minmax(0, 1fr) auto;
    align-items: end;
  }

  .page-faq .faq-hero .eyebrow,
  .page-faq .faq-hero h1,
  .page-faq .faq-hero .lede {
    grid-column: 1;
  }

  .page-faq .faq-hero__tags {
    grid-column: 2;
    grid-row: 1 / span 3;
    align-self: end;
    justify-content: flex-end;
    max-width: 260px;
    margin: 0;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-faq .faq-hero__tags .tag,
  .page-faq .qa__chev,
  .page-faq .qa__num,
  .page-faq .qa,
  .page-faq .qa > summary,
  .page-faq .faq-index__link {
    transition: none;
  }

  .page-faq .faq-hero__tags .tag:hover,
  .page-faq .faq-hero__tags .tag:focus-visible {
    transform: none;
  }
}
<<<PAGE_CSS_DONE>>>