.page-faq {
  --faq-hair: rgba(216, 179, 106, 0.22);
  --faq-hair-soft: rgba(143, 169, 184, 0.18);
  --faq-panel: rgba(12, 38, 56, 0.72);
  --faq-deep: rgba(6, 24, 38, 0.86);
  color: var(--mist);
  background: var(--ink);
  overflow-x: clip;
  padding-bottom: clamp(3rem, 7vw, 5.5rem);
}

.page-faq .faq-section-title {
  margin: 0 0 1.25rem;
  font-size: clamp(1.15rem, 2.6vw, 1.5rem);
  font-weight: 700;
  letter-spacing: -0.02em;
  color: var(--mist);
}

/* ---------- 面包屑区域 ---------- */
.page-faq > .shell {
  padding-top: calc(var(--header-h) + 0.75rem);
}

/* ---------- 首屏 ---------- */
.page-faq .faq-hero {
  position: relative;
  margin-top: 0.75rem;
  padding: clamp(1.5rem, 4vw, 2.5rem) 0 clamp(4.5rem, 8vw, 6rem);
  background:
    radial-gradient(120% 90% at 88% 0%, rgba(46, 242, 208, 0.16), transparent 62%),
    radial-gradient(90% 70% at 0% 100%, rgba(255, 107, 74, 0.12), transparent 60%),
    linear-gradient(158deg, #061826 0%, #0a2033 58%, #061826 100%);
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - 3rem), 0 100%);
}

.page-faq .faq-hero__inner {
  display: grid;
  gap: clamp(1.75rem, 4vw, 3rem);
  align-items: center;
}

.page-faq .faq-kicker {
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  margin: 0 0 1rem;
  font-size: 0.75rem;
  letter-spacing: 0.14em;
  color: var(--gold);
}

.page-faq .faq-kicker__num {
  font-family: var(--font-mono);
  padding: 0.15rem 0.45rem;
  border: 1px solid var(--faq-hair);
  border-radius: 4px;
  font-size: 0.7rem;
  color: var(--gold);
}

.page-faq .faq-hero h1 {
  margin: 0 0 1rem;
  font-size: clamp(2rem, 7vw, 3.5rem);
  line-height: 1.12;
  letter-spacing: -0.03em;
  font-weight: 900;
  color: var(--mist);
}

.page-faq .faq-hero__text {
  margin: 0 0 1.5rem;
  max-width: 46ch;
  font-size: 1rem;
  line-height: 1.75;
  color: var(--slate);
}

.page-faq .faq-hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
}

.page-faq .faq-hero__visual {
  display: flex;
  justify-content: center;
  order: -1;
}

.page-faq .faq-hero__svg {
  width: min(240px, 62vw);
  height: auto;
}

.page-faq .faq-hero__code {
  font-family: var(--font-mono);
  font-size: 20px;
  fill: var(--cyan);
  letter-spacing: 0.04em;
}

.page-faq .faq-hero__ring {
  transform-origin: 160px 160px;
  animation: faq-orbit 46s linear infinite;
}

@keyframes faq-orbit {
  to { transform: rotate(360deg); }
}

/* ---------- 速答卡 ---------- */
.page-faq .faq-quick {
  padding: clamp(1.5rem, 4vw, 2.5rem) 0 clamp(1rem, 3vw, 1.5rem);
}

.page-faq .quick-grid {
  display: grid;
  gap: 1px;
  background: var(--faq-hair);
  border: 1px solid var(--faq-hair);
  border-radius: var(--radius-m);
  overflow: hidden;
}

.page-faq .quick-card {
  display: grid;
  gap: 0.4rem;
  padding: 1.15rem 1.1rem 1.25rem;
  background: var(--ink-2);
  color: inherit;
  text-decoration: none;
  transition: background 0.28s var(--ease), transform 0.28s var(--ease);
}

.page-faq .quick-card:hover,
.page-faq .quick-card:focus-visible {
  background: var(--ink-3);
}

.page-faq .quick-card__num {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.14em;
  color: var(--coral);
}

.page-faq .quick-card__q {
  font-size: 1rem;
  font-weight: 700;
  line-height: 1.45;
  color: var(--mist);
}

.page-faq .quick-card__a {
  font-size: 0.875rem;
  line-height: 1.65;
  color: var(--slate);
}

.page-faq .quick-card__more {
  margin-top: 0.35rem;
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.1em;
  color: var(--cyan);
}

.page-faq .quick-card__more::after {
  content: " →";
}

/* ---------- 主体布局 ---------- */
.page-faq .faq-body {
  padding-top: clamp(1.5rem, 4vw, 2.5rem);
}

.page-faq .faq-layout {
  display: grid;
  gap: clamp(1.5rem, 4vw, 2.5rem);
  align-items: start;
}

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

.page-faq .faq-rail__title {
  margin: 0 0 0.7rem;
  font-size: 0.72rem;
  letter-spacing: 0.16em;
  color: var(--gold);
}

.page-faq .faq-rail__list {
  display: flex;
  gap: 0.5rem;
  margin: 0;
  padding: 0 0 0.35rem;
  list-style: none;
  overflow-x: auto;
  scrollbar-width: thin;
}

.page-faq .faq-rail__item {
  flex: 0 0 auto;
}

.page-faq .faq-rail__link {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  min-height: 44px;
  padding: 0.5rem 0.95rem;
  border: 1px solid var(--faq-hair);
  border-radius: 999px;
  white-space: nowrap;
  font-size: 0.875rem;
  color: var(--mist);
  text-decoration: none;
  transition: border-color 0.25s var(--ease), color 0.25s var(--ease);
}

.page-faq .faq-rail__link:hover,
.page-faq .faq-rail__link:focus-visible {
  border-color: var(--cyan);
  color: var(--cyan);
}

.page-faq .faq-rail__num {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  color: var(--gold);
}

.page-faq .faq-rail__top {
  display: inline-flex;
  align-items: center;
  margin-top: 0.9rem;
  min-height: 44px;
  font-size: 0.8125rem;
  color: var(--cyan);
  text-decoration: none;
}

.page-faq .faq-groups {
  min-width: 0;
  display: grid;
  gap: clamp(2.25rem, 6vw, 3.75rem);
}

/* ---------- 问答分组 ---------- */
.page-faq .faq-group {
  scroll-margin-top: calc(var(--header-h) + 1.25rem);
}

.page-faq .faq-group__head {
  display: flex;
  align-items: baseline;
  gap: 0.7rem;
  padding-bottom: 0.6rem;
  border-bottom: 1px solid var(--gold-soft);
}

.page-faq .faq-group__num {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.14em;
  color: var(--coral);
}

.page-faq .faq-group h2 {
  margin: 0;
  font-size: clamp(1.3rem, 3.4vw, 1.7rem);
  letter-spacing: -0.025em;
  font-weight: 800;
  color: var(--mist);
}

.page-faq .faq-group__intro {
  margin: 0.85rem 0 1.1rem;
  font-size: 0.9375rem;
  line-height: 1.7;
  color: var(--slate);
}

/* ---------- 手风琴 ---------- */
.page-faq .qa {
  border-bottom: 1px solid var(--faq-hair-soft);
}

.page-faq .qa summary {
  position: relative;
  display: flex;
  gap: 0.75rem;
  align-items: baseline;
  min-height: 44px;
  padding: 1rem 2.4rem 1rem 0;
  cursor: pointer;
  list-style: none;
}

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

.page-faq .qa summary::after {
  content: "+";
  position: absolute;
  right: 0.25rem;
  top: 50%;
  transform: translateY(-50%);
  font-family: var(--font-mono);
  font-size: 1.1rem;
  line-height: 1;
  color: var(--cyan);
}

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

.page-faq .qa__num {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.08em;
  color: var(--gold);
}

.page-faq .qa__text {
  font-size: 1rem;
  font-weight: 500;
  line-height: 1.55;
  color: var(--mist);
}

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

.page-faq .qa__a {
  padding: 0 0 1.15rem 2.05rem;
  font-size: 0.9375rem;
  line-height: 1.75;
  color: var(--slate);
}

.page-faq .qa__a p {
  margin: 0 0 0.65rem;
}

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

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

/* ---------- 配图 ---------- */
.page-faq .faq-figure {
  margin: 1.75rem 0 0;
}

.page-faq .faq-figure .media-frame {
  width: 100%;
  border-radius: var(--radius-m);
  border: 1px solid var(--faq-hair);
  overflow: hidden;
}

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

.page-faq .faq-figure figcaption {
  margin-top: 0.65rem;
  font-size: 0.8125rem;
  line-height: 1.6;
  color: var(--slate);
}

/* ---------- 步骤 ---------- */
.page-faq .steps {
  list-style: none;
  counter-reset: faq-step;
  margin: 1.35rem 0 0;
  padding: 0;
}

.page-faq .steps li {
  display: grid;
  grid-template-columns: 2.2rem minmax(0, 1fr);
  gap: 0.9rem;
  padding-bottom: 1.1rem;
}

.page-faq .steps li:last-child {
  padding-bottom: 0;
}

.page-faq .steps li::before {
  counter-increment: faq-step;
  content: counter(faq-step, decimal-leading-zero);
  display: grid;
  place-items: center;
  height: 1.7rem;
  border-radius: 6px;
  background: var(--cyan-soft);
  border: 1px solid rgba(46, 242, 208, 0.4);
  font-family: var(--font-mono);
  font-size: 0.72rem;
  color: var(--cyan);
}

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

.page-faq .steps__t {
  margin: 0 0 0.25rem;
  font-size: 0.9875rem;
  font-weight: 700;
  line-height: 1.5;
  color: var(--mist);
}

.page-faq .steps__d {
  margin: 0;
  font-size: 0.875rem;
  line-height: 1.7;
  color: var(--slate);
}

.page-faq .faq-path__back {
  margin: 1.5rem 0 0;
}

.page-faq .faq-top-link {
  display: inline-flex;
  align-items: center;
  min-height: 44px;
  font-size: 0.8125rem;
  letter-spacing: 0.04em;
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px solid rgba(46, 242, 208, 0.35);
}

/* ---------- 联系客服 ---------- */
.page-faq .faq-contact {
  margin-top: clamp(3rem, 8vw, 5.5rem);
  padding: clamp(2.5rem, 7vw, 5rem) 0;
  background:
    radial-gradient(80% 120% at 100% 0%, rgba(124, 92, 255, 0.16), transparent 60%),
    linear-gradient(180deg, rgba(18, 56, 79, 0.55), rgba(2, 11, 18, 0.92));
  border-top: 1px solid var(--faq-hair);
  border-bottom: 1px solid var(--faq-hair);
}

.page-faq .faq-contact__inner {
  max-width: 46rem;
}

.page-faq .faq-contact__kicker {
  margin: 0 0 0.75rem;
  font-size: 0.75rem;
  letter-spacing: 0.16em;
  color: var(--coral);
}

.page-faq .faq-contact h2 {
  margin: 0 0 0.9rem;
  font-size: clamp(1.4rem, 4.2vw, 2.1rem);
  line-height: 1.25;
  letter-spacing: -0.03em;
  font-weight: 800;
  color: var(--mist);
}

.page-faq .faq-contact__lead {
  margin: 0 0 1.75rem;
  font-size: 0.9875rem;
  line-height: 1.8;
  color: var(--slate);
}

.page-faq .faq-contact .contact-list {
  display: grid;
  gap: 0.65rem;
  margin: 0 0 1.25rem;
}

.page-faq .faq-contact .contact-row {
  display: grid;
  gap: 0.2rem;
  padding: 0.8rem 1rem;
  background: var(--faq-deep);
  border: 1px solid var(--faq-hair);
  border-radius: var(--radius-s);
}

.page-faq .faq-contact .contact-key {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.12em;
  color: var(--gold);
}

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

.page-faq .faq-contact .footer-contact-note {
  margin: 0 0 1.75rem;
  font-size: 0.8125rem;
  line-height: 1.7;
  color: var(--slate);
}

.page-faq .faq-contact__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
}

/* ---------- 中屏 ---------- */
@media (min-width: 640px) {
  .page-faq .quick-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .page-faq .faq-contact .contact-row {
    grid-template-columns: 6.5rem minmax(0, 1fr);
    align-items: baseline;
    gap: 1rem;
  }
}

/* ---------- 桌面 ---------- */
@media (min-width: 900px) {
  .page-faq .faq-hero {
    padding-top: clamp(2rem, 5vw, 3.5rem);
  }

  .page-faq .faq-hero__inner {
    grid-template-columns: minmax(0, 1.35fr) minmax(0, 0.65fr);
  }

  .page-faq .faq-hero__visual {
    order: 0;
  }

  .page-faq .faq-hero__svg {
    width: min(320px, 100%);
  }

  .page-faq .quick-grid {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }

  .page-faq .faq-layout {
    grid-template-columns: 220px minmax(0, 1fr);
    gap: clamp(2rem, 4vw, 3.5rem);
  }

  .page-faq .faq-rail__list {
    flex-direction: column;
    gap: 0.15rem;
    overflow: visible;
    padding-bottom: 0;
  }

  .page-faq .faq-rail__item {
    flex: 1 1 auto;
  }

  .page-faq .faq-rail__link {
    display: flex;
    width: 100%;
    border: 0;
    border-left: 2px solid var(--faq-hair);
    border-radius: 0;
    padding: 0.55rem 0.25rem 0.55rem 0.85rem;
    white-space: normal;
    transition: border-color 0.25s var(--ease), color 0.25s var(--ease), background 0.25s var(--ease);
  }

  .page-faq .faq-rail__link:hover,
  .page-faq .faq-rail__link:focus-visible {
    border-left-color: var(--cyan);
    background: rgba(46, 242, 208, 0.06);
  }

  .page-faq .faq-figure {
    max-width: 520px;
  }
}

@media (min-width: 1100px) {
  .page-faq .faq-rail {
    position: sticky;
    top: calc(var(--header-h) + 1.5rem);
  }
}

/* ---------- 动效偏好 ---------- */
@media (prefers-reduced-motion: reduce) {
  .page-faq .faq-hero__ring {
    animation: none;
  }

  .page-faq .quick-card {
    transition: none;
  }
}
<<<END>>>