.page-faq {
  --faq-pad: clamp(40px, 6vw, 88px);
  --faq-gap: clamp(16px, 2.4vw, 28px);
  color: var(--moon);
  overflow-x: clip;
  position: relative;
}

.page-faq .breadcrumb {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .04em;
  color: var(--mist);
}
.page-faq .breadcrumb a {
  color: var(--mist);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: color .2s var(--ease), border-color .2s var(--ease);
}
.page-faq .breadcrumb a:hover,
.page-faq .breadcrumb a:focus-visible {
  color: var(--cyan);
  border-color: var(--cyan);
}
.page-faq .breadcrumb__sep { color: var(--line); }
.page-faq .breadcrumb [aria-current="page"] { color: var(--moon); }

/* ============ 首屏 ============ */
.page-faq .faq-hero {
  position: relative;
  isolation: isolate;
  padding-block: clamp(36px, 6vw, 76px) clamp(28px, 4vw, 48px);
  border-bottom: 1px solid var(--line);
}
.page-faq .faq-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: -1;
  background:
    radial-gradient(120% 100% at 84% -20%, rgba(33, 245, 227, .16), transparent 58%),
    repeating-linear-gradient(0deg, rgba(38, 56, 80, .35) 0 1px, transparent 1px 80px),
    linear-gradient(180deg, rgba(14, 22, 36, .92), transparent 76%);
  pointer-events: none;
}

.page-faq .faq-hero__bar {
  display: grid;
  gap: clamp(22px, 4vw, 44px);
  margin-top: clamp(22px, 3.4vw, 38px);
}

.page-faq .faq-hero__lead h1 {
  margin: 12px 0 0;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(30px, 6.2vw, 58px);
  line-height: 1.08;
  letter-spacing: -.01em;
  color: var(--moon);
  max-width: 16em;
}
.page-faq .faq-hero__desc {
  margin: 18px 0 0;
  max-width: 56ch;
  font-size: clamp(15px, 1.7vw, 17px);
  line-height: 1.8;
  color: var(--mist);
}

.page-faq .faq-hero__meta {
  display: flex;
  flex-direction: column;
  gap: 16px;
  padding: clamp(18px, 2.4vw, 24px);
  background: var(--ink-800);
  border: 1px solid var(--line);
  border-left: 3px solid var(--cyan);
  border-radius: 0 var(--radius) var(--radius) 0;
}

.page-faq .faq-hero__status {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 14px;
  line-height: 1.5;
  color: var(--moon);
}
.page-faq .faq-hero__status .status-dot {
  flex: 0 0 auto;
  background: var(--green);
  box-shadow: 0 0 0 4px rgba(74, 222, 128, .16);
}

.page-faq .faq-hero__facts {
  display: grid;
  gap: 12px;
  margin: 0;
  padding-top: 16px;
  border-top: 1px dashed var(--line);
}
.page-faq .faq-hero__facts > div {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 12px;
}
.page-faq .faq-hero__facts dt {
  font-size: 13px;
  color: var(--mist);
}
.page-faq .faq-hero__facts dd {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 14px;
  font-weight: 700;
  color: var(--cyan);
  white-space: nowrap;
}

@media (min-width: 900px) {
  .page-faq .faq-hero__bar {
    grid-template-columns: minmax(0, 1.55fr) minmax(0, 1fr);
    align-items: end;
  }
}

/* ============ 快速诊断索引 ============ */
.page-faq .faq-index {
  padding-block: var(--faq-pad);
}
.page-faq .faq-index__head {
  display: flex;
  flex-wrap: wrap;
  align-items: flex-end;
  justify-content: space-between;
  gap: 16px 24px;
  margin-bottom: clamp(20px, 3vw, 32px);
}
.page-faq .faq-index__head h2 {
  margin: 10px 0 0;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(22px, 3.6vw, 32px);
  line-height: 1.2;
  color: var(--moon);
}
.page-faq .faq-index__jump {
  flex: 0 0 auto;
  font-size: 13px;
}

.page-faq .faq-index__figure {
  margin: 0 0 clamp(20px, 3vw, 32px);
  overflow: hidden;
}
.page-faq .faq-index__figure img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
}

.page-faq .faq-diag {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 12px;
  grid-template-columns: 1fr;
}
@media (min-width: 620px) {
  .page-faq .faq-diag { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}
@media (min-width: 1080px) {
  .page-faq .faq-diag { grid-template-columns: repeat(5, minmax(0, 1fr)); }
}

.page-faq .faq-diag__item > a {
  display: flex;
  flex-direction: column;
  gap: 8px;
  height: 100%;
  padding: 18px 16px 20px;
  background: var(--ink-800);
  border: 1px solid var(--line);
  border-top: 2px solid var(--cyan);
  border-radius: var(--radius);
  color: var(--moon);
  text-decoration: none;
  transition: transform .22s var(--ease), border-color .22s var(--ease), background .22s var(--ease);
}
.page-faq .faq-diag__item > a:hover,
.page-faq .faq-diag__item > a:focus-visible {
  transform: translateY(-3px);
  border-color: var(--cyan);
  background: var(--ink-700);
  outline: none;
}
.page-faq .faq-diag__item--support > a {
  border-top-color: var(--orange);
}
.page-faq .faq-diag__item--support > a:hover,
.page-faq .faq-diag__item--support > a:focus-visible {
  border-color: var(--orange);
  background: var(--ink-700);
}
.page-faq .faq-diag__num {
  font-family: var(--font-mono);
  font-size: 13px;
  font-weight: 700;
  color: var(--cyan);
}
.page-faq .faq-diag__item--support .faq-diag__num { color: var(--orange); }
.page-faq .faq-diag__name {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 15px;
  line-height: 1.35;
}
.page-faq .faq-diag__desc {
  font-size: 12.5px;
  line-height: 1.6;
  color: var(--mist);
}

/* ============ 主体两栏 ============ */
.page-faq .faq-body {
  padding-block: var(--faq-pad);
  border-top: 1px solid var(--line);
  background: linear-gradient(180deg, rgba(14, 22, 36, .72), transparent 60%);
}
.page-faq .faq-body__grid {
  display: grid;
  gap: clamp(24px, 4vw, 48px);
}

.page-faq .faq-rail {
  display: flex;
  flex-direction: column;
  gap: 10px;
}
.page-faq .faq-rail__cap {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .18em;
  color: var(--mist);
}
.page-faq .faq-rail__list {
  display: flex;
  gap: 8px;
  margin: 0;
  padding: 0 0 8px;
  list-style: none;
  overflow-x: auto;
  scrollbar-width: thin;
}
.page-faq .faq-rail__link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 9px 14px;
  white-space: nowrap;
  font-size: 13px;
  color: var(--moon);
  text-decoration: none;
  background: var(--ink-800);
  border: 1px solid var(--line);
  border-radius: 999px;
  transition: border-color .2s var(--ease), color .2s var(--ease);
}
.page-faq .faq-rail__link .num {
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--cyan);
}
.page-faq .faq-rail__link:hover,
.page-faq .faq-rail__link:focus-visible {
  border-color: var(--cyan);
  color: var(--cyan);
  outline: none;
}

@media (min-width: 1024px) {
  .page-faq .faq-body__grid {
    grid-template-columns: 200px minmax(0, 1fr);
    align-items: start;
  }
  .page-faq .faq-rail {
    position: sticky;
    top: calc(var(--hdr-h) + 28px);
  }
  .page-faq .faq-rail__list {
    flex-direction: column;
    overflow: visible;
    padding-bottom: 0;
    border-left: 1px solid var(--line);
    padding-left: 14px;
  }
  .page-faq .faq-rail__link {
    background: transparent;
    border-color: transparent;
    border-radius: 0;
    padding: 6px 0 6px 8px;
    color: var(--mist);
  }
  .page-faq .faq-rail__link:hover,
  .page-faq .faq-rail__link:focus-visible {
    color: var(--cyan);
    background: transparent;
  }
}

/* ============ 分组 ============ */
.page-faq .faq-content {
  display: flex;
  flex-direction: column;
  gap: clamp(32px, 5vw, 60px);
  min-width: 0;
}
.page-faq .faq-group {
  scroll-margin-top: calc(var(--hdr-h) + 24px);
}
.page-faq .faq-group__head {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: 16px;
  align-items: start;
  padding-bottom: 18px;
  margin-bottom: 18px;
  border-bottom: 1px solid var(--line);
}
.page-faq .faq-group__idx {
  display: inline-grid;
  place-items: center;
  width: 42px;
  height: 42px;
  font-family: var(--font-mono);
  font-size: 15px;
  font-weight: 700;
  color: var(--ink-900);
  background: var(--cyan);
  border-radius: 8px;
}
.page-faq #load .faq-group__idx { background: var(--orange); color: var(--ink-900); }
.page-faq #member .faq-group__idx { background: var(--gold); color: var(--ink-900); }
.page-faq #beta .faq-group__idx { background: var(--violet); color: var(--ink-900); }
.page-faq #support .faq-group__idx { background: var(--green); color: var(--ink-900); }

.page-faq .faq-group__head h2 {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(20px, 2.8vw, 26px);
  line-height: 1.28;
  letter-spacing: -.005em;
  color: var(--moon);
}
.page-faq .faq-group__lede {
  margin: 10px 0 0;
  max-width: 62ch;
  font-size: 14.5px;
  line-height: 1.75;
  color: var(--mist);
}

.page-faq .faq-group__figure {
  margin: 0 0 18px;
  overflow: hidden;
  max-width: 520px;
}
.page-faq .faq-group__figure img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
}

/* ============ 折叠问答 ============ */
.page-faq .qa {
  background: var(--ink-800);
  border: 1px solid var(--line);
  border-left: 3px solid var(--cyan);
  border-radius: 0 var(--radius) var(--radius) 0;
  overflow: hidden;
  transition: border-color .2s var(--ease), background .2s var(--ease);
}
.page-faq .qa + .qa { margin-top: 10px; }
.page-faq .qa[open] { background: var(--ink-700); }
.page-faq .qa:hover { border-color: var(--line); border-left-color: var(--cyan); }

.page-faq #load .qa { border-left-color: var(--orange); }
.page-faq #member .qa { border-left-color: var(--gold); }
.page-faq #beta .qa { border-left-color: var(--violet); }
.page-faq #support .qa { border-left-color: var(--green); }

.page-faq .qa__q {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 16px;
  padding: 16px 18px;
  cursor: pointer;
  list-style: none;
  font-family: var(--font-display);
  font-weight: 600;
  font-size: clamp(14.5px, 1.6vw, 16.5px);
  line-height: 1.5;
  color: var(--moon);
}
.page-faq .qa__q::-webkit-details-marker { display: none; }
.page-faq .qa__q:focus-visible {
  outline: 2px solid var(--violet);
  outline-offset: -2px;
}
.page-faq .qa__q-text { flex: 1 1 auto; min-width: 0; }

.page-faq .qa__toggle {
  position: relative;
  flex: 0 0 20px;
  width: 20px;
  height: 20px;
  margin-top: 1px;
  border: 1px solid var(--line);
  border-radius: 5px;
}
.page-faq .qa__toggle::before,
.page-faq .qa__toggle::after {
  content: "";
  position: absolute;
  left: 4px;
  right: 4px;
  top: 50%;
  height: 1.5px;
  background: var(--cyan);
  transform: translateY(-50%);
}
.page-faq #load .qa__toggle::before,
.page-faq #load .qa__toggle::after { background: var(--orange); }
.page-faq #member .qa__toggle::before,
.page-faq #member .qa__toggle::after { background: var(--gold); }
.page-faq #beta .qa__toggle::before,
.page-faq #beta .qa__toggle::after { background: var(--violet); }

.page-faq .qa__toggle::after {
  transform: translateY(-50%) rotate(90deg);
  transition: transform .24s var(--ease);
}
.page-faq .qa[open] .qa__toggle::after {
  transform: translateY(-50%) rotate(0deg);
}

.page-faq .qa__a {
  padding: 0 18px 18px;
  font-size: 14.5px;
  line-height: 1.78;
  color: var(--mist);
}
.page-faq .qa__a > p { margin: 0; }
.page-faq .qa__a strong { color: var(--moon); }

.page-faq .qa__steps {
  list-style: none;
  counter-reset: faq-step;
  margin: 4px 0 0;
  padding: 0;
}
.page-faq .qa__steps li {
  position: relative;
  counter-increment: faq-step;
  padding-left: 38px;
  margin-top: 10px;
  min-height: 24px;
}
.page-faq .qa__steps li::before {
  content: counter(faq-step, decimal-leading-zero);
  position: absolute;
  left: 0;
  top: 0;
  display: grid;
  place-items: center;
  width: 28px;
  height: 22px;
  font-family: var(--font-mono);
  font-size: 11.5px;
  font-weight: 700;
  color: var(--cyan);
  background: rgba(33, 245, 227, .08);
  border: 1px solid rgba(33, 245, 227, .34);
  border-radius: 4px;
}
.page-faq #load .qa__steps li::before {
  color: var(--orange);
  background: rgba(255, 106, 42, .08);
  border-color: rgba(255, 106, 42, .34);
}
.page-faq #member .qa__steps li::before {
  color: var(--gold);
  background: rgba(245, 184, 75, .08);
  border-color: rgba(245, 184, 75, .34);
}

.page-faq .qa__legend {
  list-style: none;
  margin: 4px 0 0;
  padding: 0;
  display: grid;
  gap: 10px;
}
.page-faq .qa__legend li {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 8px 12px;
  line-height: 1.65;
}
.page-faq .qa__legend .tag { flex: 0 0 auto; }

/* ============ 联系 ============ */
.page-faq .faq-contact {
  display: grid;
  gap: 12px;
  grid-template-columns: 1fr;
  margin-top: 4px;
}
@media (min-width: 640px) {
  .page-faq .faq-contact { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}
.page-faq .faq-contact__card {
  padding: 18px;
  background: var(--ink-800);
  border: 1px solid var(--line);
  border-radius: var(--radius);
}
.page-faq .faq-contact__card--wide {
  grid-column: 1 / -1;
  border-left: 3px solid var(--gold);
}
.page-faq .faq-contact__label {
  margin: 0 0 8px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .14em;
  color: var(--mist);
  text-transform: uppercase;
}
.page-faq .faq-contact__value {
  display: block;
  margin: 0;
  font-size: 15px;
  line-height: 1.6;
  color: var(--moon);
  word-break: break-word;
  text-decoration: none;
}
.page-faq a.faq-contact__value {
  font-family: var(--font-mono);
  color: var(--gold);
  border-bottom: 1px solid transparent;
  transition: border-color .2s var(--ease);
}
.page-faq a.faq-contact__value:hover,
.page-faq a.faq-contact__value:focus-visible {
  border-color: var(--gold);
  outline: none;
}

.page-faq .faq-contact__note {
  margin: 14px 0 0;
  padding: 12px 16px;
  font-size: 13px;
  line-height: 1.7;
  color: var(--mist);
  background: rgba(245, 184, 75, .07);
  border-left: 2px solid var(--gold);
  border-radius: 0 6px 6px 0;
}

.page-faq .faq-support__links {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 20px;
}

@media (prefers-reduced-motion: reduce) {
  .page-faq .faq-diag__item > a,
  .page-faq .qa__toggle::after,
  .page-faq .qa,
  .page-faq .faq-rail__link {
    transition: none;
  }
  .page-faq .faq-diag__item > a:hover { transform: none; }
}
<<<END>>>