.page-faq {
  --faq-gap: clamp(16px, 2.2vw, 26px);
  --faq-radius: 12px;
  --path-accent: var(--cyan);
  background: var(--deep);
  color: var(--text);
  font-family: var(--sans);
  padding-bottom: clamp(32px, 6vw, 72px);
  overflow-x: clip;
}

.page-faq img {
  max-width: 100%;
  height: auto;
  display: block;
}

.page-faq h2 {
  margin: 0.3em 0 0.5em;
  font-size: clamp(1.42rem, 3.4vw, 2.15rem);
  font-weight: 800;
  line-height: 1.22;
  letter-spacing: -0.015em;
  color: var(--cream);
}

.page-faq .section {
  padding-block: clamp(34px, 5.5vw, 76px);
}

.page-faq .section + .section {
  border-top: 1px solid var(--line);
}

.page-faq .section-head {
  max-width: 54ch;
}

.page-faq .section-note {
  margin: 0;
  font-size: 0.95rem;
  line-height: 1.85;
  color: var(--stone);
}

/* ---------- 首屏 ---------- */
.page-faq .faq-hero {
  position: relative;
  overflow: hidden;
  padding: clamp(20px, 3vw, 32px) 0 clamp(36px, 5.5vw, 68px);
  background:
    radial-gradient(85% 70% at 92% -14%, rgba(53, 240, 208, 0.2), transparent 62%),
    radial-gradient(75% 65% at -12% 108%, rgba(110, 106, 138, 0.3), transparent 58%),
    linear-gradient(162deg, #071a2f 0 50%, #0e2a47 50% 100%);
  border-bottom: 1px solid var(--line);
}

.page-faq .faq-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: 0;
  background-image:
    linear-gradient(to right, rgba(138, 147, 160, 0.14) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(138, 147, 160, 0.14) 1px, transparent 1px);
  background-size: clamp(48px, 8vw, 96px) clamp(48px, 8vw, 96px);
  -webkit-mask-image: linear-gradient(180deg, rgba(0, 0, 0, 0.85), transparent 82%);
  mask-image: linear-gradient(180deg, rgba(0, 0, 0, 0.85), transparent 82%);
  pointer-events: none;
}

.page-faq .faq-hero > .page-shell {
  position: relative;
  z-index: 1;
}

.page-faq .breadcrumb {
  margin-bottom: clamp(14px, 2vw, 22px);
}

.page-faq .faq-hero__grid {
  display: grid;
  gap: var(--faq-gap);
}

.page-faq .faq-hero h1 {
  margin: 0.4em 0 0.55em;
  font-size: clamp(1.9rem, 5.4vw, 3.2rem);
  font-weight: 900;
  line-height: 1.1;
  letter-spacing: -0.02em;
  color: var(--cream);
}

.page-faq .faq-hero h1 .hl {
  color: var(--cyan);
  display: block;
}

.page-faq .faq-hero .lead {
  margin: 0;
  max-width: 38em;
  font-size: clamp(0.98rem, 1.6vw, 1.06rem);
  line-height: 1.9;
  color: var(--text-strong);
}

.page-faq .faq-jump {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  list-style: none;
  margin: clamp(20px, 3vw, 30px) 0 0;
  padding: 0;
}

.page-faq .faq-jump a {
  display: inline-block;
  padding: 7px 14px;
  border: 1px solid var(--line-strong);
  border-radius: 999px;
  color: var(--text-strong);
  font-size: 0.86rem;
  text-decoration: none;
  transition: background 0.22s var(--ease), color 0.22s var(--ease), border-color 0.22s var(--ease);
}

.page-faq .faq-jump a:hover,
.page-faq .faq-jump a:focus-visible {
  background: var(--cyan);
  border-color: var(--cyan);
  color: #071a2f;
}

.page-faq .faq-hero__figure {
  margin: 0;
}

.page-faq .faq-hero__figure img {
  width: 100%;
  border: 1px solid var(--line-strong);
  border-radius: var(--faq-radius);
  background: rgba(14, 42, 71, 0.6);
}

/* ---------- 四步步进 ---------- */
.page-faq .faq-steps {
  background: linear-gradient(180deg, var(--deep) 0%, #081e36 100%);
}

.page-faq .faq-steps__grid {
  position: relative;
  display: grid;
  gap: 12px;
  margin-top: clamp(22px, 3.6vw, 38px);
}

.page-faq .step-card {
  position: relative;
  z-index: 1;
  padding: 15px 16px 17px;
  border: 1px solid var(--line);
  border-radius: 10px;
  background: var(--deep-2);
  transition: border-color 0.25s var(--ease), background 0.25s var(--ease), transform 0.25s var(--ease);
}

.page-faq .step-card:hover {
  border-color: rgba(53, 240, 208, 0.35);
  transform: translateY(-2px);
}

.page-faq .step-card[open] {
  border-color: rgba(53, 240, 208, 0.45);
  background: #0f304f;
}

.page-faq .step-card__summary {
  display: flex;
  gap: 10px;
  align-items: center;
  cursor: pointer;
  list-style: none;
}

.page-faq .step-card__summary::-webkit-details-marker {
  display: none;
}

.page-faq .step-card__summary::after {
  content: "+";
  margin-left: auto;
  color: var(--cyan);
  font-size: 1.1rem;
  line-height: 1;
}

.page-faq .step-card[open] .step-card__summary::after {
  content: "✓";
  color: var(--moss);
  font-size: 1rem;
  font-weight: 700;
}

.page-faq .step-card__num {
  flex: none;
  padding: 2px 6px;
  border: 1px solid rgba(53, 240, 208, 0.4);
  border-radius: 4px;
  color: var(--cyan);
  font-size: 0.74rem;
  letter-spacing: 0.12em;
  font-variant-numeric: tabular-nums;
}

.page-faq .step-card__title {
  font-size: 0.98rem;
  font-weight: 700;
  line-height: 1.45;
  color: var(--cream);
}

.page-faq .step-card__body p {
  margin: 10px 0 0;
  font-size: 0.9rem;
  line-height: 1.82;
  color: var(--text);
}

.page-faq .step-card__body .step-card__next {
  margin-top: 12px;
  padding-left: 10px;
  border-left: 2px solid var(--moss);
  color: var(--cyan-soft);
  font-size: 0.84rem;
  line-height: 1.7;
}

/* ---------- 三条路径 ---------- */
.page-faq .faq-paths__grid {
  display: grid;
  gap: 14px;
  margin-top: clamp(22px, 3.5vw, 36px);
}

.page-faq .path-card {
  position: relative;
  overflow: hidden;
  padding: 22px 18px 20px 24px;
  border: 1px solid var(--line);
  border-radius: var(--faq-radius);
  background: rgba(14, 42, 71, 0.66);
  transition: border-color 0.25s var(--ease), background 0.25s var(--ease), transform 0.25s var(--ease);
}

.page-faq .path-card::before {
  content: "";
  position: absolute;
  top: 0;
  bottom: 0;
  left: 0;
  width: 4px;
  background: var(--path-accent);
}

.page-faq .path-card--cyan {
  --path-accent: var(--cyan);
}

.page-faq .path-card--orange {
  --path-accent: var(--orange);
}

.page-faq .path-card--violet {
  --path-accent: var(--violet);
}

.page-faq .path-card:hover,
.page-faq .path-card:focus-within {
  border-color: var(--path-accent);
  background: rgba(24, 58, 92, 0.85);
  transform: translateY(-3px);
}

.page-faq .path-card__label {
  margin: 0 0 8px;
  font-size: 0.72rem;
  letter-spacing: 0.2em;
  color: var(--stone);
}

.page-faq .path-card h3 {
  margin: 0 0 0.55em;
  font-size: 1.12rem;
  font-weight: 800;
  line-height: 1.35;
  color: var(--cream);
}

.page-faq .path-card p {
  margin: 0;
  font-size: 0.9rem;
  line-height: 1.85;
  color: var(--text);
}

.page-faq .path-card .path-card__route {
  margin: 14px 0 0;
  padding-top: 12px;
  border-top: 1px dashed var(--line-strong);
  font-size: 0.75rem;
  letter-spacing: 0.08em;
  color: var(--stone);
  font-variant-numeric: tabular-nums;
  transition: color 0.22s var(--ease);
}

.page-faq .path-card:hover .path-card__route,
.page-faq .path-card:focus-within .path-card__route {
  color: var(--path-accent);
}

.page-faq .path-card__link {
  display: inline-block;
  margin-top: 12px;
  padding-bottom: 2px;
  border-bottom: 1px solid rgba(157, 247, 231, 0.4);
  color: var(--cyan-soft);
  font-size: 0.86rem;
  text-decoration: none;
}

.page-faq .path-card__link:hover,
.page-faq .path-card__link:focus-visible {
  color: var(--cream);
  border-color: var(--cream);
}

.page-faq .faq-paths__figure {
  margin: clamp(20px, 3vw, 34px) 0 0;
  max-width: 760px;
}

.page-faq .faq-paths__figure img {
  width: 100%;
  border: 1px solid var(--line);
  border-radius: var(--faq-radius);
}

/* ---------- 收藏跳转 ---------- */
.page-faq .faq-redirect {
  background: linear-gradient(180deg, transparent 0%, rgba(14, 42, 71, 0.6) 100%);
}

.page-faq .faq-redirect__grid {
  display: grid;
  gap: clamp(20px, 3vw, 34px);
}

.page-faq .faq-redirect__copy p {
  margin: 0 0 1em;
  max-width: 46em;
  font-size: 0.95rem;
  line-height: 1.9;
  color: var(--text);
}

.page-faq .faq-redirect__links {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 22px;
}

.page-faq .route-map {
  margin: 0;
  padding: 20px;
  border: 1px solid var(--line-strong);
  border-radius: var(--faq-radius);
  background: rgba(24, 58, 92, 0.5);
}

.page-faq .route-map__title {
  margin: 0 0 14px;
  font-size: 0.73rem;
  letter-spacing: 0.2em;
  color: var(--cyan);
}

.page-faq .route-map ul {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 10px;
}

.page-faq .route-map li {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  padding-bottom: 10px;
  border-bottom: 1px solid var(--line);
  font-size: 0.88rem;
  color: var(--text-strong);
}

.page-faq .route-map li:last-child {
  padding-bottom: 0;
  border-bottom: 0;
}

.page-faq .route-map li span:last-child {
  color: var(--cyan-soft);
}

/* ---------- 折叠问答 ---------- */
.page-faq .qa-list {
  margin-top: clamp(22px, 3vw, 34px);
  border-top: 1px solid var(--line);
}

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

.page-faq .qa summary {
  position: relative;
  display: flex;
  gap: 14px;
  align-items: baseline;
  padding: 16px 30px 16px 4px;
  cursor: pointer;
  list-style: none;
}

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

.page-faq .qa summary::after {
  content: "+";
  position: absolute;
  right: 2px;
  top: 50%;
  transform: translateY(-50%);
  color: var(--cyan);
  font-size: 1.2rem;
  line-height: 1;
}

.page-faq .qa[open] summary::after {
  content: "–";
}

.page-faq .qa__num {
  flex: none;
  color: var(--stone);
  font-size: 0.74rem;
  letter-spacing: 0.14em;
  font-variant-numeric: tabular-nums;
}

.page-faq .qa__q {
  font-size: 1rem;
  font-weight: 700;
  line-height: 1.55;
  color: var(--text-strong);
  transition: color 0.2s var(--ease);
}

.page-faq .qa[open] .qa__q,
.page-faq .qa summary:hover .qa__q {
  color: var(--cream);
}

.page-faq .qa__a {
  padding: 0 30px 18px 4px;
}

.page-faq .qa__a p {
  margin: 0;
  max-width: 60em;
  font-size: 0.92rem;
  line-height: 1.9;
  color: var(--text);
}

/* ---------- 邮件信息牌 ---------- */
.page-faq .mail-card {
  position: relative;
  overflow: hidden;
  padding: clamp(22px, 3.4vw, 40px);
  border: 1px solid rgba(255, 138, 61, 0.35);
  border-radius: 16px;
  background:
    radial-gradient(120% 90% at 100% 0, rgba(255, 138, 61, 0.16), transparent 60%),
    rgba(14, 42, 71, 0.8);
}

.page-faq .mail-card__head p {
  margin: 0;
  max-width: 44em;
  font-size: 0.95rem;
  line-height: 1.85;
  color: var(--text);
}

.page-faq .mail-card__body {
  display: grid;
  gap: clamp(18px, 3vw, 32px);
  margin-top: clamp(18px, 2.6vw, 28px);
}

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

.page-faq .mail-card__list li {
  display: grid;
  grid-template-columns: 34px 1fr;
  gap: 12px;
  align-items: start;
  font-size: 0.9rem;
  line-height: 1.8;
  color: var(--text-strong);
}

.page-faq .mail-card__icon {
  width: 34px;
  height: 34px;
  display: grid;
  place-items: center;
  border: 1px solid rgba(53, 240, 208, 0.4);
  border-radius: 8px;
  color: var(--cyan);
  font-size: 0.74rem;
  letter-spacing: 0.04em;
  font-variant-numeric: tabular-nums;
}

.page-faq .mail-card__meta {
  display: grid;
  gap: 12px;
  align-content: start;
  padding: 18px;
  border: 1px solid var(--line);
  border-radius: 12px;
  background: rgba(7, 26, 47, 0.62);
}

.page-faq .mail-card__meta p {
  margin: 0;
  font-size: 0.9rem;
  line-height: 1.75;
  color: var(--text-strong);
  overflow-wrap: anywhere;
}

.page-faq .mail-card__meta span {
  display: block;
  margin-bottom: 4px;
  font-size: 0.72rem;
  letter-spacing: 0.18em;
  color: var(--stone);
}

.page-faq .mail-card__foot {
  margin: clamp(16px, 2.4vw, 24px) 0 0;
  font-size: 0.87rem;
  line-height: 1.85;
  color: var(--stone);
}

.page-faq .mail-card__foot a {
  color: var(--cyan-soft);
  text-decoration: none;
  border-bottom: 1px solid rgba(157, 247, 231, 0.35);
}

.page-faq .mail-card__foot a:hover,
.page-faq .mail-card__foot a:focus-visible {
  color: var(--cream);
  border-color: var(--cream);
}

/* ---------- 响应式 ---------- */
@media (min-width: 640px) {
  .page-faq .faq-paths__grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .page-faq .mail-card__meta {
    grid-template-columns: repeat(2, 1fr);
    gap: 14px 20px;
  }
}

@media (min-width: 860px) {
  .page-faq .faq-hero__grid {
    grid-template-columns: 1.12fr 0.88fr;
    align-items: start;
    gap: clamp(24px, 3.4vw, 48px);
  }

  .page-faq .faq-steps__grid {
    grid-template-columns: repeat(4, 1fr);
    gap: 14px;
  }

  .page-faq .faq-steps__grid::before {
    content: "";
    position: absolute;
    top: 28px;
    left: 6%;
    right: 6%;
    height: 2px;
    background: linear-gradient(90deg, var(--cyan), rgba(53, 240, 208, 0.22));
    z-index: 0;
  }

  .page-faq .faq-paths__grid {
    grid-template-columns: repeat(3, 1fr);
  }

  .page-faq .faq-redirect__grid {
    grid-template-columns: 1.3fr 0.7fr;
    align-items: start;
  }

  .page-faq .mail-card__body {
    grid-template-columns: 1.15fr 0.85fr;
  }

  .page-faq .mail-card__meta {
    grid-template-columns: 1fr;
  }

  .page-faq .faq-paths__figure {
    max-width: 720px;
    margin-left: auto;
  }
}

@media (min-width: 1100px) {
  .page-faq .faq-hero__copy {
    padding-right: clamp(0px, 2vw, 28px);
  }

  .page-faq .qa summary {
    padding-block: 18px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-faq .step-card,
  .page-faq .path-card,
  .page-faq .faq-jump a {
    transition: none;
  }

  .page-faq .step-card:hover,
  .page-faq .path-card:hover,
  .page-faq .path-card:focus-within {
    transform: none;
  }
}
<<<END>>>