.page-faq {
  --faq-deep-cyan: #0E8C82;
  --faq-rule: rgba(6, 19, 31, 0.16);
  --faq-ink-soft: rgba(6, 19, 31, 0.72);
  --faq-ink-mute: rgba(6, 19, 31, 0.62);
  background: var(--ink);
  color: var(--paper);
  font-family: var(--font-body);
  overflow-x: hidden;
}

/* ---------- 首屏 ---------- */
.page-faq .faq-hero {
  position: relative;
  padding-block: 36px 64px;
  overflow: hidden;
}

.page-faq .faq-hero::after {
  content: "";
  position: absolute;
  right: -28%;
  top: -34%;
  width: 100vw;
  max-width: 760px;
  aspect-ratio: 1 / 1;
  background: radial-gradient(circle, rgba(34, 224, 207, 0.14), transparent 62%);
  pointer-events: none;
}

.page-faq .faq-hero .breadcrumb {
  position: relative;
  z-index: 1;
  margin-bottom: 28px;
}

.page-faq .faq-hero-grid {
  position: relative;
  z-index: 1;
  display: grid;
  gap: 36px;
}

.page-faq .faq-hero h1 {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(2rem, 7.4vw, 4.3rem);
  line-height: 1.06;
  letter-spacing: -0.01em;
  margin: 14px 0 20px;
  max-width: 15em;
  color: var(--paper);
}

.page-faq .faq-lede {
  margin: 0;
  max-width: 34em;
  font-size: 1.0625rem;
  line-height: 1.78;
  color: var(--haze);
}

.page-faq .faq-hero-points {
  counter-reset: pt;
  list-style: none;
  margin: 30px 0 0;
  padding: 0;
  border-top: 1px solid var(--line);
  max-width: 34em;
}

.page-faq .faq-hero-points li {
  display: flex;
  gap: 16px;
  align-items: baseline;
  padding: 12px 0;
  border-bottom: 1px solid var(--line);
  font-size: 0.9375rem;
  line-height: 1.65;
  color: var(--haze);
}

.page-faq .faq-hero-points li::before {
  counter-increment: pt;
  content: "0" counter(pt);
  flex: none;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  letter-spacing: 0.12em;
  color: var(--cyan);
}

.page-faq .faq-hero-figure {
  margin: 0;
  position: relative;
}

.page-faq .faq-hero-figure img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  object-fit: cover;
  border: 1px solid var(--line);
  clip-path: polygon(0 0, 100% 0, 100% 92%, 0 100%);
}

/* ---------- 场景选择 ---------- */
.page-faq .faq-scenes {
  background: var(--ink-2);
  padding-block: 64px;
  border-top: 1px solid var(--line);
}

.page-faq .section-head h2 {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(1.6rem, 5vw, 2.4rem);
  line-height: 1.12;
  margin: 10px 0 12px;
  color: var(--paper);
}

.page-faq .section-sub {
  margin: 0;
  max-width: 36em;
  font-size: 0.9375rem;
  line-height: 1.75;
  color: var(--haze);
}

.page-faq .scene-rail {
  display: grid;
  gap: 12px;
  margin-top: 32px;
}

.page-faq .scene-link {
  display: flex;
  flex-direction: column;
  gap: 6px;
  padding: 18px 18px 20px;
  border: 1px solid var(--line);
  border-left: 2px solid transparent;
  background: rgba(23, 59, 82, 0.34);
  color: var(--paper);
  text-decoration: none;
  transition: border-color 0.24s var(--ease), background 0.24s var(--ease),
    transform 0.24s var(--ease);
}

.page-faq .scene-link:hover,
.page-faq .scene-link:focus-visible {
  border-color: var(--line);
  border-left-color: var(--cyan);
  background: rgba(34, 224, 207, 0.09);
  transform: translateY(-2px);
}

.page-faq .scene-key {
  font-family: var(--font-mono);
  font-size: 0.6875rem;
  letter-spacing: 0.18em;
  color: var(--cyan);
}

.page-faq .scene-title {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.25rem;
  letter-spacing: 0.01em;
}

.page-faq .scene-desc {
  font-size: 0.8125rem;
  line-height: 1.6;
  color: var(--haze);
}

.page-faq .faq-scene-figure {
  margin: 32px 0 0;
}

.page-faq .faq-scene-figure img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  object-fit: cover;
  border: 1px solid var(--line);
  opacity: 0.92;
}

/* ---------- 问答区 ---------- */
.page-faq .faq-read {
  background: var(--paper);
  color: var(--ink);
  padding-block: 56px 72px;
  border-top: 2px solid var(--cyan);
}

.page-faq .faq-read .section-label {
  color: var(--faq-deep-cyan);
}

.page-faq .faq-layout {
  display: grid;
  gap: 36px;
}

.page-faq .faq-index ol {
  list-style: none;
  margin: 16px 0 0;
  padding: 0;
  border-top: 1px solid var(--faq-rule);
}

.page-faq .faq-index li {
  border-bottom: 1px solid var(--faq-rule);
}

.page-faq .faq-index a {
  display: flex;
  gap: 12px;
  align-items: baseline;
  padding: 11px 0;
  font-size: 0.9375rem;
  line-height: 1.5;
  color: var(--ink);
  text-decoration: none;
  transition: color 0.2s var(--ease);
}

.page-faq .faq-index a:hover,
.page-faq .faq-index a:focus-visible {
  color: var(--faq-deep-cyan);
}

.page-faq .idx-num {
  font-family: var(--font-mono);
  font-size: 0.6875rem;
  letter-spacing: 0.14em;
  color: var(--faq-deep-cyan);
}

.page-faq .faq-index-note {
  margin: 20px 0 0;
  font-size: 0.8125rem;
  line-height: 1.7;
  color: var(--faq-ink-mute);
}

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

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

.page-faq .faq-group {
  scroll-margin-top: calc(var(--header-h) + 24px);
}

.page-faq .faq-group + .faq-group {
  margin-top: 52px;
}

.page-faq .group-head {
  padding-bottom: 16px;
  border-bottom: 2px solid var(--ink);
}

.page-faq .group-num {
  display: block;
  font-family: var(--font-mono);
  font-size: 0.6875rem;
  letter-spacing: 0.2em;
  color: var(--faq-deep-cyan);
}

.page-faq .group-head h2 {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(1.45rem, 4.4vw, 2rem);
  line-height: 1.15;
  margin: 8px 0 10px;
  color: var(--ink);
}

.page-faq .group-lede {
  margin: 0;
  max-width: 38em;
  font-size: 0.9375rem;
  line-height: 1.72;
  color: var(--faq-ink-soft);
}

.page-faq .group-fact {
  margin: 12px 0 0;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  letter-spacing: 0.04em;
  color: var(--faq-deep-cyan);
}

.page-faq .faq-item {
  border-bottom: 1px solid var(--faq-rule);
}

.page-faq .faq-item summary {
  position: relative;
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: 14px;
  align-items: baseline;
  padding: 18px 34px 18px 0;
  cursor: pointer;
  list-style: none;
  font-size: 1rem;
  font-weight: 500;
  line-height: 1.62;
  color: var(--ink);
}

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

.page-faq .faq-item summary::after {
  content: "+";
  position: absolute;
  right: 2px;
  top: 16px;
  font-family: var(--font-mono);
  font-size: 1.05rem;
  color: var(--faq-deep-cyan);
  transition: transform 0.24s var(--ease);
}

.page-faq .faq-item[open] summary::after {
  content: "\2013";
}

.page-faq .faq-item[open] summary {
  color: var(--faq-deep-cyan);
}

.page-faq .faq-num {
  font-family: var(--font-mono);
  font-size: 0.6875rem;
  letter-spacing: 0.12em;
  color: var(--faq-deep-cyan);
}

.page-faq .faq-answer {
  margin: 0 0 20px;
  padding: 2px 0 0 20px;
  border-left: 2px solid var(--cyan);
}

.page-faq .faq-answer p {
  margin: 0 0 10px;
  font-size: 0.9375rem;
  line-height: 1.78;
  color: var(--faq-ink-soft);
}

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

.page-faq .faq-tips {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 6px;
}

.page-faq .faq-tips li {
  position: relative;
  padding-left: 18px;
  font-size: 0.875rem;
  line-height: 1.72;
  color: var(--faq-ink-mute);
}

.page-faq .faq-tips li::before {
  content: "\2192";
  position: absolute;
  left: 0;
  top: 0;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--faq-deep-cyan);
}

/* ---------- 支持区 ---------- */
.page-faq .faq-support {
  position: relative;
  background: var(--ink);
  padding-block: 68px 76px;
  overflow: hidden;
}

.page-faq .faq-support::before {
  content: "";
  position: absolute;
  inset: 0;
  background: repeating-radial-gradient(
    circle at 92% 8%,
    transparent 0 44px,
    rgba(185, 107, 75, 0.12) 44px 45px
  );
  pointer-events: none;
}

.page-faq .support-grid {
  position: relative;
  z-index: 1;
  display: grid;
  gap: 36px;
}

.page-faq .faq-support .section-label {
  color: var(--ochre);
}

.page-faq .support-copy h2 {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(1.6rem, 5vw, 2.4rem);
  line-height: 1.12;
  margin: 10px 0 14px;
  color: var(--paper);
}

.page-faq .support-lede {
  margin: 0;
  max-width: 34em;
  font-size: 0.9375rem;
  line-height: 1.78;
  color: var(--haze);
}

.page-faq .support-stats {
  list-style: none;
  margin: 28px 0 0;
  padding: 0;
  display: grid;
  gap: 0;
}

.page-faq .support-stats li {
  display: grid;
  gap: 3px;
  padding: 13px 0;
  border-top: 1px solid var(--line);
}

.page-faq .support-stats li:last-child {
  border-bottom: 1px solid var(--line);
}

.page-faq .stat-num {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.5rem;
  line-height: 1.1;
  color: var(--cyan);
}

.page-faq .stat-txt {
  font-size: 0.875rem;
  line-height: 1.6;
  color: var(--haze);
}

.page-faq .support-card {
  border: 1px solid var(--line);
  border-left: 2px solid var(--orange);
  background: var(--ink-2);
  padding: 22px 20px 24px;
}

.page-faq .support-list {
  display: grid;
  gap: 14px;
  margin: 0 0 16px;
}

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

.page-faq .support-key {
  font-family: var(--font-mono);
  font-size: 0.6875rem;
  letter-spacing: 0.16em;
  color: var(--haze);
}

.page-faq .support-val {
  font-size: 1rem;
  line-height: 1.55;
  color: var(--paper);
  text-decoration: none;
  word-break: break-word;
}

.page-faq a.support-val:hover,
.page-faq a.support-val:focus-visible {
  color: var(--cyan);
}

.page-faq .support-note {
  margin: 0 0 20px;
  padding-top: 14px;
  border-top: 1px solid var(--line);
  font-size: 0.8125rem;
  line-height: 1.7;
  color: var(--haze);
}

.page-faq .support-card .btn {
  width: 100%;
  text-align: center;
}

/* ---------- 响应式 ---------- */
@media (min-width: 720px) {
  .page-faq .faq-hero {
    padding-block: 44px 80px;
  }

  .page-faq .faq-scenes {
    padding-block: 76px;
  }

  .page-faq .scene-rail {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 14px;
  }

  .page-faq .faq-read {
    padding-block: 72px 88px;
  }

  .page-faq .support-stats {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 0 24px;
  }

  .page-faq .support-stats li:last-child {
    border-bottom: 0;
  }

  .page-faq .support-card .btn {
    width: auto;
  }
}

@media (min-width: 960px) {
  .page-faq .faq-hero {
    padding-block: 52px 96px;
  }

  .page-faq .faq-hero-grid {
    grid-template-columns: minmax(0, 1.12fr) minmax(0, 0.88fr);
    gap: 64px;
    align-items: end;
  }

  .page-faq .faq-layout {
    grid-template-columns: 232px minmax(0, 1fr);
    gap: 64px;
    align-items: start;
  }

  .page-faq .faq-index {
    position: sticky;
    top: calc(var(--header-h) + 24px);
  }

  .page-faq .support-grid {
    grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
    gap: 64px;
    align-items: start;
  }
}

@media (min-width: 1120px) {
  .page-faq .scene-rail {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }

  .page-faq .faq-hero h1 {
    max-width: 13em;
  }
}

@media (prefers-reduced-motion: no-preference) {
  .page-faq details[open] > .faq-answer {
    animation: faqAnswerIn 0.28s var(--ease) both;
  }
}

@keyframes faqAnswerIn {
  from {
    opacity: 0;
    transform: translateY(-4px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}
<<<END>>>