.page-faq {
  --faq-line: rgba(21, 26, 51, 0.13);
  --faq-card: #FFFFFF;
  --faq-tint: rgba(183, 221, 224, 0.2);
  --qa-dot: var(--peacock);
  background: var(--cream);
  color: var(--ink);
  font-family: var(--sans);
  overflow-x: clip;
}

.page-faq .num {
  font-family: var(--mono);
  font-variant-numeric: tabular-nums;
  letter-spacing: 0.04em;
}

/* ---------- 首屏 ---------- */
.page-faq .faq-hero {
  position: relative;
  padding: clamp(26px, 6vw, 58px) 0 clamp(34px, 7vw, 74px);
  color: var(--cream);
  background:
    radial-gradient(120% 90% at 88% 0%, rgba(30, 158, 114, 0.32), transparent 58%),
    radial-gradient(95% 80% at 4% 100%, rgba(11, 122, 138, 0.46), transparent 62%),
    var(--ink);
}

.page-faq .faq-hero::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--gold), var(--jade) 38%, var(--peacock) 68%, var(--coral));
  opacity: 0.9;
}

.page-faq .faq-hero .crumbs {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  font-size: 0.8rem;
  letter-spacing: 0.06em;
  color: rgba(247, 244, 236, 0.66);
}

.page-faq .faq-hero .crumbs a {
  color: var(--glass);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: color 0.2s ease, border-color 0.2s ease;
}

.page-faq .faq-hero .crumbs a:hover {
  color: var(--gold);
  border-bottom-color: rgba(242, 181, 68, 0.6);
}

.page-faq .faq-hero .crumbs__sep {
  margin: 0 0.55em;
  opacity: 0.55;
}

.page-faq .faq-hero__grid {
  display: grid;
  gap: clamp(24px, 4vw, 42px);
  margin-top: clamp(20px, 4vw, 34px);
}

.page-faq .faq-hero .eyebrow {
  color: var(--gold);
  font-family: var(--mono);
  font-size: 0.78rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  margin: 0;
}

.page-faq .faq-hero h1 {
  margin: 0.4em 0 0.5em;
  font-family: var(--serif);
  font-weight: 800;
  font-size: clamp(1.85rem, 5.6vw, 3rem);
  line-height: 1.2;
  letter-spacing: 0.02em;
  color: #FDFBF5;
}

.page-faq .faq-hero__intro {
  max-width: 34em;
  margin: 0;
  font-size: 0.96rem;
  line-height: 1.8;
  color: rgba(247, 244, 236, 0.84);
}

.page-faq .faq-hero__marks {
  display: flex;
  flex-wrap: wrap;
  gap: 10px 22px;
  margin: clamp(18px, 3vw, 26px) 0 0;
  padding: 0;
  list-style: none;
  font-size: 0.84rem;
  color: rgba(247, 244, 236, 0.72);
}

.page-faq .faq-hero__marks li {
  display: inline-flex;
  align-items: baseline;
  gap: 6px;
  padding-bottom: 4px;
  border-bottom: 1px solid rgba(183, 221, 224, 0.28);
}

.page-faq .faq-hero__num {
  font-family: var(--mono);
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--jade);
}

.page-faq .faq-hero__quick {
  padding: clamp(18px, 3vw, 26px);
  border-radius: var(--radius-lg);
  border: 1px solid rgba(183, 221, 224, 0.3);
  background: rgba(247, 244, 236, 0.08);
  backdrop-filter: blur(9px);
}

.page-faq .faq-hero__quick-title {
  margin: 0 0 12px;
  font-size: 0.78rem;
  letter-spacing: 0.14em;
  font-family: var(--mono);
  color: rgba(247, 244, 236, 0.62);
}

.page-faq .faq-hero__quick-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 2px;
}

.page-faq .faq-hero__quick-list a {
  display: grid;
  grid-template-columns: 1fr auto;
  align-items: center;
  gap: 4px 10px;
  padding: 12px 12px;
  border-radius: var(--radius-sm);
  color: var(--cream);
  text-decoration: none;
  border-left: 2px solid rgba(183, 221, 224, 0.24);
  transition: background 0.22s ease, border-color 0.22s ease, transform 0.22s ease;
}

.page-faq .faq-hero__quick-list a:hover {
  background: rgba(183, 221, 224, 0.14);
  border-left-color: var(--gold);
  transform: translateX(3px);
}

.page-faq .faq-hero__quick-key {
  font-weight: 600;
  font-size: 0.95rem;
}

.page-faq .faq-hero__quick-hint {
  grid-column: 1 / -1;
  font-size: 0.76rem;
  letter-spacing: 0.04em;
  color: rgba(247, 244, 236, 0.55);
  font-family: var(--mono);
}

.page-faq .faq-hero__quick-foot {
  margin: 16px 0 0;
  font-size: 0.78rem;
  line-height: 1.7;
  color: rgba(247, 244, 236, 0.6);
}

.page-faq .faq-hero__quick-foot a {
  color: var(--glass);
  text-decoration: underline;
  text-underline-offset: 3px;
}

/* ---------- 问题索引 ---------- */
.page-faq .faq-index {
  padding-block: clamp(38px, 6vw, 72px);
}

.page-faq .faq-index__grid {
  display: grid;
  gap: clamp(24px, 4vw, 42px);
}

.page-faq .faq-index .eyebrow {
  margin: 0 0 10px;
  font-size: 0.78rem;
  letter-spacing: 0.14em;
  color: var(--peacock);
  font-family: var(--mono);
}

.page-faq .faq-index .eyebrow .num {
  color: var(--gold);
  margin-right: 6px;
}

.page-faq .faq-index h2 {
  margin: 0 0 14px;
  font-family: var(--serif);
  font-weight: 800;
  font-size: clamp(1.5rem, 4vw, 2.1rem);
  line-height: 1.3;
  letter-spacing: 0.02em;
}

.page-faq .faq-index .prose {
  max-width: 34em;
  margin: 0;
  font-size: 0.94rem;
  line-height: 1.8;
  color: var(--stone);
}

.page-faq .faq-index__figure {
  margin: clamp(20px, 3vw, 28px) 0 0;
}

.page-faq .faq-index__figure .figure__frame {
  border-radius: var(--radius-md);
  overflow: hidden;
  background: linear-gradient(140deg, var(--faq-tint), rgba(30, 158, 114, 0.14));
  border: 1px solid var(--faq-line);
}

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

.page-faq .faq-index__figure .figure__cap {
  margin-top: 10px;
  font-size: 0.78rem;
  line-height: 1.7;
  color: var(--stone);
}

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

.page-faq .faq-index__link {
  display: grid;
  grid-template-columns: auto 1fr auto;
  align-items: center;
  gap: 14px;
  padding: 16px 16px;
  border-radius: var(--radius-md);
  border: 1px solid var(--faq-line);
  background: var(--faq-card);
  color: var(--ink);
  text-decoration: none;
  transition: transform 0.24s ease, border-color 0.24s ease, box-shadow 0.24s ease;
}

.page-faq .faq-index__link:hover {
  transform: translateY(-3px);
  border-color: rgba(11, 122, 138, 0.42);
  box-shadow: 0 14px 28px -20px rgba(21, 26, 51, 0.55);
}

.page-faq .faq-index__idx {
  font-size: 1.02rem;
  font-weight: 700;
  color: var(--peacock);
}

.page-faq .faq-index__list > li:nth-child(1) .faq-index__idx { color: var(--jade); }
.page-faq .faq-index__list > li:nth-child(2) .faq-index__idx { color: var(--peacock); }
.page-faq .faq-index__list > li:nth-child(3) .faq-index__idx { color: #A97711; }
.page-faq .faq-index__list > li:nth-child(4) .faq-index__idx { color: var(--coral); }

.page-faq .faq-index__text {
  display: grid;
  gap: 4px;
  min-width: 0;
}

.page-faq .faq-index__text strong {
  font-size: 1rem;
  font-weight: 600;
}

.page-faq .faq-index__text span {
  font-size: 0.83rem;
  line-height: 1.65;
  color: var(--stone);
}

.page-faq .faq-index__go {
  font-family: var(--mono);
  color: var(--stone);
  transition: transform 0.24s ease, color 0.24s ease;
}

.page-faq .faq-index__link:hover .faq-index__go {
  transform: translateX(4px);
  color: var(--gold);
}

/* ---------- 问答分章 ---------- */
.page-faq .faq-block {
  padding-block: clamp(36px, 6vw, 66px);
  border-top: 1px solid var(--faq-line);
}

.page-faq .faq-block--screen {
  background: linear-gradient(180deg, var(--faq-tint), rgba(183, 221, 224, 0));
}

.page-faq .faq-block--register { --qa-dot: var(--jade); }
.page-faq .faq-block--screen { --qa-dot: var(--peacock); }
.page-faq .faq-block--switch { --qa-dot: var(--gold); }
.page-faq .faq-block--matrix { --qa-dot: var(--coral); }

.page-faq .faq-block__grid {
  display: grid;
  gap: clamp(20px, 3.5vw, 40px);
}

.page-faq .faq-block .eyebrow {
  margin: 0 0 10px;
  font-size: 0.78rem;
  letter-spacing: 0.14em;
  font-family: var(--mono);
  color: var(--peacock);
}

.page-faq .faq-block .eyebrow .num {
  color: var(--qa-dot);
  margin-right: 6px;
}

.page-faq .faq-block h2 {
  margin: 0 0 12px;
  font-family: var(--serif);
  font-weight: 800;
  font-size: clamp(1.4rem, 3.8vw, 1.95rem);
  line-height: 1.32;
  letter-spacing: 0.02em;
  color: var(--ink);
}

.page-faq .faq-block__note {
  margin: 0;
  max-width: 26em;
  font-size: 0.9rem;
  line-height: 1.8;
  color: var(--stone);
}

.page-faq .faq-block__body {
  display: grid;
  gap: 0;
}

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

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

.page-faq .qa > summary {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  padding: 16px 2px;
  cursor: pointer;
  list-style: none;
  font-size: 0.98rem;
  font-weight: 600;
  line-height: 1.6;
  color: var(--ink);
  transition: color 0.2s ease;
}

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

.page-faq .qa > summary:hover {
  color: var(--peacock-deep);
}

.page-faq .qa > summary::before {
  content: "";
  flex: none;
  width: 9px;
  height: 9px;
  margin-top: 0.55em;
  border-radius: 50%;
  border: 2px solid var(--qa-dot);
  background: transparent;
  transition: background 0.2s ease, transform 0.2s ease;
}

.page-faq .qa[open] > summary::before {
  background: var(--qa-dot);
  transform: scale(1.12);
}

.page-faq .qa > summary::after {
  content: "";
  flex: none;
  margin-left: auto;
  width: 9px;
  height: 9px;
  margin-top: 0.55em;
  border-right: 2px solid var(--stone);
  border-bottom: 2px solid var(--stone);
  transform: rotate(45deg);
  transition: transform 0.24s ease;
}

.page-faq .qa[open] > summary::after {
  transform: rotate(225deg);
}

.page-faq .qa__a {
  padding: 0 2px 20px 23px;
  font-size: 0.92rem;
  line-height: 1.82;
  color: var(--stone);
}

.page-faq .qa__a p {
  margin: 0 0 0.7em;
}

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

.page-faq .qa__a a {
  color: var(--peacock-deep);
  text-decoration: underline;
  text-underline-offset: 3px;
  text-decoration-thickness: 1px;
}

.page-faq .qa__a a:hover {
  color: var(--coral);
}

/* ---------- 联系前准备 ---------- */
.page-faq .faq-prep {
  padding-block: clamp(40px, 7vw, 78px);
  color: var(--cream);
  background:
    radial-gradient(90% 70% at 92% 8%, rgba(11, 122, 138, 0.42), transparent 60%),
    linear-gradient(165deg, var(--ink) 0%, var(--ink-deep) 62%, #0B1F22 100%);
}

.page-faq .faq-prep__eyebrow {
  margin: 0 0 10px;
  font-size: 0.78rem;
  letter-spacing: 0.16em;
  font-family: var(--mono);
  color: var(--gold);
}

.page-faq .faq-prep__eyebrow .num {
  margin-right: 6px;
  color: var(--jade);
}

.page-faq .faq-prep h2 {
  margin: 0 0 14px;
  font-family: var(--serif);
  font-weight: 800;
  font-size: clamp(1.5rem, 4.2vw, 2.15rem);
  line-height: 1.3;
  letter-spacing: 0.02em;
  color: #FDFBF5;
}

.page-faq .faq-prep__intro {
  margin: 0;
  max-width: 40em;
  font-size: 0.94rem;
  line-height: 1.85;
  color: rgba(247, 244, 236, 0.78);
}

.page-faq .faq-prep__figure {
  margin: clamp(22px, 4vw, 34px) 0 0;
}

.page-faq .faq-prep__figure .figure__frame {
  border-radius: var(--radius-md);
  overflow: hidden;
  border: 1px solid rgba(183, 221, 224, 0.26);
  background: rgba(247, 244, 236, 0.06);
}

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

.page-faq .faq-prep__figure .figure__cap {
  margin-top: 10px;
  font-size: 0.78rem;
  line-height: 1.7;
  color: rgba(247, 244, 236, 0.6);
}

.page-faq .prep-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 10px;
  margin-top: clamp(22px, 4vw, 32px);
}

.page-faq .prep-card {
  padding: 16px 14px;
  border-radius: var(--radius-md);
  border: 1px solid rgba(183, 221, 224, 0.22);
  background: rgba(247, 244, 236, 0.07);
}

.page-faq .prep-card__idx {
  margin: 0 0 8px;
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--gold);
}

.page-faq .prep-card__title {
  margin: 0 0 6px;
  font-size: 0.95rem;
  font-weight: 600;
  color: #FDFBF5;
}

.page-faq .prep-card__text {
  margin: 0;
  font-size: 0.82rem;
  line-height: 1.72;
  color: rgba(247, 244, 236, 0.68);
}

.page-faq .faq-prep__contact {
  display: grid;
  gap: 16px;
  margin-top: clamp(24px, 4vw, 34px);
  padding-top: clamp(20px, 3vw, 26px);
  border-top: 1px solid rgba(183, 221, 224, 0.24);
  justify-items: start;
}

.page-faq .faq-prep__lines {
  display: grid;
  gap: 8px;
  margin: 0;
}

.page-faq .faq-prep__lines p {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 4px 14px;
  margin: 0;
  font-size: 0.86rem;
}

.page-faq .faq-prep__key {
  min-width: 5em;
  font-family: var(--mono);
  font-size: 0.74rem;
  letter-spacing: 0.1em;
  color: rgba(247, 244, 236, 0.5);
}

.page-faq .faq-prep__val {
  color: var(--cream);
  font-weight: 500;
  word-break: break-word;
}

/* ---------- 响应式 ---------- */
@media (min-width: 640px) {
  .page-faq .prep-grid {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }

  .page-faq .faq-prep__contact {
    grid-template-columns: 1fr auto;
    align-items: end;
    justify-items: start;
  }
}

@media (min-width: 900px) {
  .page-faq .faq-hero__grid {
    grid-template-columns: minmax(0, 1.5fr) minmax(0, 0.75fr);
    align-items: start;
  }

  .page-faq .faq-index__grid {
    grid-template-columns: minmax(0, 0.9fr) minmax(0, 1.1fr);
    align-items: start;
  }

  .page-faq .faq-index__list {
    margin-top: 4px;
  }
}

@media (min-width: 980px) {
  .page-faq .faq-block__grid {
    grid-template-columns: minmax(0, 0.78fr) minmax(0, 1.22fr);
    align-items: start;
  }

  .page-faq .faq-block__aside {
    position: sticky;
    top: 88px;
  }

  .page-faq .qa > summary {
    font-size: 1.02rem;
    padding: 18px 2px;
  }

  .page-faq .qa__a {
    font-size: 0.94rem;
    padding-bottom: 22px;
  }

  .page-faq .faq-prep__figure {
    max-width: 780px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-faq .qa > summary::before,
  .page-faq .qa > summary::after,
  .page-faq .faq-index__link,
  .page-faq .faq-index__go,
  .page-faq .faq-hero__quick-list a {
    transition: none;
  }

  .page-faq .faq-index__link:hover,
  .page-faq .faq-hero__quick-list a:hover {
    transform: none;
  }
}
<<<END>>>