.page-faq {
  --faq-accent: var(--neon);
  --faq-accent-soft: rgba(176, 38, 255, .16);
  --faq-ink-soft: rgba(245, 240, 255, .76);
  --faq-panel: rgba(27, 10, 46, .72);
  --faq-panel-line: rgba(245, 240, 255, .12);
  display: block;
}

/* ---------- hero ---------- */
.page-faq .faq-hero {
  position: relative;
  overflow: hidden;
  padding: calc(var(--header-h) + 30px) 0 clamp(34px, 6vw, 62px);
}

.page-faq .faq-hero::before {
  content: "";
  position: absolute;
  inset: -14% -24% 24% 34%;
  background:
    radial-gradient(58% 58% at 72% 28%, rgba(176, 38, 255, .42), transparent 72%),
    radial-gradient(52% 52% at 28% 72%, rgba(0, 194, 255, .3), transparent 74%);
  clip-path: polygon(22% 0, 100% 0, 100% 100%, 0 82%);
  pointer-events: none;
}

.page-faq .faq-hero-inner {
  position: relative;
  display: grid;
  gap: clamp(22px, 4vw, 40px);
  align-items: center;
}

.page-faq .faq-hero-copy {
  min-width: 0;
}

.page-faq .faq-hero .breadcrumb {
  margin-bottom: 14px;
}

.page-faq .faq-hero h1 {
  margin: 6px 0 0;
  font-size: clamp(29px, 6.4vw, 52px);
  line-height: 1.12;
  font-weight: 900;
  letter-spacing: -.02em;
  color: var(--mist);
}

.page-faq .faq-hero-lead {
  margin: 16px 0 0;
  max-width: 46ch;
  font-size: clamp(15px, 1.7vw, 17px);
  line-height: 1.72;
  color: var(--faq-ink-soft);
}

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

.page-faq .faq-hero-stats {
  display: flex;
  flex-wrap: wrap;
  gap: 10px 22px;
  margin-top: 26px;
  padding-top: 18px;
  border-top: 1px solid var(--line-soft);
}

.page-faq .faq-hero-stats .stat {
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.page-faq .faq-hero-stats .stat-value {
  font-family: var(--font-num);
  font-size: clamp(19px, 2.6vw, 24px);
  font-weight: 800;
  color: var(--lime);
  letter-spacing: .01em;
}

.page-faq .faq-hero-stats .stat-label {
  font-size: 12px;
  letter-spacing: .08em;
  color: var(--grey);
}

.page-faq .faq-hero-media {
  position: relative;
  transform: none;
  border-radius: var(--r-xl);
  box-shadow: var(--shadow-deep);
}

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

/* ---------- 主体双栏 ---------- */
.page-faq .faq-body {
  padding-top: clamp(18px, 3vw, 30px);
}

.page-faq .faq-layout {
  display: grid;
  gap: clamp(20px, 3.4vw, 34px);
  align-items: start;
}

/* 目录 */
.page-faq .faq-toc {
  padding: 18px;
  border: 1px solid var(--faq-panel-line);
  border-radius: var(--r-lg);
  background: linear-gradient(158deg, rgba(46, 36, 66, .92), rgba(18, 5, 31, .94));
  box-shadow: var(--shadow-deep);
}

.page-faq .faq-toc-title {
  margin: 0 0 12px;
  font-size: 12px;
  letter-spacing: .18em;
  text-transform: uppercase;
  color: var(--blue);
}

.page-faq .faq-toc-list {
  display: flex;
  gap: 8px;
  margin: 0;
  padding: 0 0 6px;
  list-style: none;
  overflow-x: auto;
  scrollbar-width: thin;
}

.page-faq .faq-toc-list > li {
  flex: 0 0 auto;
}

.page-faq .faq-toc-link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 14px;
  border: 1px solid var(--faq-panel-line);
  border-radius: var(--r-pill);
  color: var(--mist);
  font-size: 13.5px;
  text-decoration: none;
  white-space: nowrap;
  transition: border-color .25s var(--ease), background .25s var(--ease), color .25s var(--ease);
}

.page-faq .faq-toc-link:hover,
.page-faq .faq-toc-link:focus-visible {
  border-color: var(--neon);
  background: rgba(176, 38, 255, .18);
  color: var(--mist);
}

.page-faq .faq-toc-num {
  font-family: var(--font-num);
  font-size: 12px;
  font-weight: 700;
  color: var(--magenta);
}

.page-faq .faq-toc-note {
  margin: 14px 0 0;
  font-size: 13px;
  line-height: 1.65;
  color: var(--grey);
}

.page-faq .faq-toc-note a {
  color: var(--blue);
  text-decoration: none;
  border-bottom: 1px solid var(--line-blue);
}

.page-faq .faq-toc-note a:hover {
  color: var(--lime);
  border-bottom-color: var(--lime);
}

/* ---------- 章节 ---------- */
.page-faq .faq-chapters {
  display: grid;
  gap: clamp(16px, 2.6vw, 26px);
  min-width: 0;
}

.page-faq .faq-chapter {
  padding: clamp(16px, 3vw, 26px);
  border: 1px solid var(--faq-panel-line);
  border-left: 3px solid var(--faq-accent);
  border-radius: var(--r-xl);
  background: linear-gradient(170deg, var(--faq-panel), rgba(18, 5, 31, .88));
  scroll-margin-top: calc(var(--header-h) + 18px);
}

.page-faq .faq-chapter--magenta {
  --faq-accent: var(--magenta);
  --faq-accent-soft: rgba(255, 46, 151, .16);
}

.page-faq .faq-chapter--blue {
  --faq-accent: var(--blue);
  --faq-accent-soft: rgba(0, 194, 255, .16);
}

.page-faq .faq-chapter--neon {
  --faq-accent: var(--neon);
  --faq-accent-soft: rgba(176, 38, 255, .16);
}

.page-faq .faq-chapter--lime {
  --faq-accent: var(--lime);
  --faq-accent-soft: rgba(182, 255, 0, .14);
}

.page-faq .faq-chapter--amber {
  --faq-accent: var(--amber);
  --faq-accent-soft: rgba(255, 184, 0, .16);
}

.page-faq .faq-chapter-head {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  margin-bottom: 14px;
}

.page-faq .faq-chapter-num {
  flex: 0 0 auto;
  padding: 6px 11px;
  border-radius: var(--r-md);
  background: var(--faq-accent-soft);
  color: var(--faq-accent);
  font-family: var(--font-num);
  font-size: clamp(17px, 2.4vw, 22px);
  font-weight: 800;
  line-height: 1;
}

.page-faq .faq-chapter-head > div {
  min-width: 0;
}

.page-faq .faq-chapter-title {
  margin: 0;
  font-size: clamp(19px, 2.8vw, 25px);
  font-weight: 900;
  letter-spacing: -.01em;
  color: var(--mist);
}

.page-faq .faq-chapter-lead {
  margin: 6px 0 0;
  font-size: 14px;
  line-height: 1.65;
  color: var(--grey);
}

/* ---------- 手风琴 ---------- */
.page-faq .faq-item {
  border: 1px solid var(--faq-panel-line);
  border-radius: var(--r-lg);
  background: rgba(18, 5, 31, .58);
  transition: border-color .25s var(--ease), box-shadow .25s var(--ease);
}

.page-faq .faq-item + .faq-item {
  margin-top: 10px;
}

.page-faq .faq-item[open] {
  border-color: var(--faq-accent);
  box-shadow: 0 14px 34px rgba(8, 1, 18, .5);
}

.page-faq .faq-item summary {
  display: flex;
  align-items: flex-start;
  gap: 11px;
  padding: 14px 16px;
  list-style: none;
  cursor: pointer;
  font-size: clamp(14.5px, 1.7vw, 16.5px);
  font-weight: 700;
  line-height: 1.5;
  color: var(--mist);
}

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

.page-faq .faq-item summary:focus-visible {
  outline: 2px solid var(--blue);
  outline-offset: 2px;
  border-radius: var(--r-lg);
}

.page-faq .faq-mark {
  flex: 0 0 auto;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 24px;
  height: 24px;
  margin-top: 1px;
  border-radius: 8px;
  background: var(--faq-accent-soft);
  color: var(--faq-accent);
  font-family: var(--font-num);
  font-size: 15px;
  font-weight: 800;
  line-height: 1;
}

.page-faq .faq-mark::before {
  content: "+";
}

.page-faq .faq-item[open] .faq-mark::before {
  content: "–";
}

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

.page-faq .faq-answer {
  padding: 0 16px 15px 51px;
  font-size: 14.5px;
  line-height: 1.74;
  color: var(--faq-ink-soft);
}

.page-faq .faq-answer p {
  margin: 0;
}

.page-faq .faq-answer p + p {
  margin-top: 8px;
}

/* ---------- 联系章节 ---------- */
.page-faq .faq-contact {
  display: grid;
  gap: 14px;
  margin-bottom: 16px;
}

.page-faq .faq-contact-card {
  padding: clamp(15px, 2.6vw, 20px);
  border: 1px solid var(--faq-panel-line);
  border-radius: var(--r-lg);
  background: rgba(13, 43, 43, .6);
}

.page-faq .faq-contact-card .contact-row {
  display: flex;
  flex-wrap: wrap;
  gap: 4px 14px;
  padding: 9px 0;
  border-bottom: 1px dashed var(--faq-panel-line);
}

.page-faq .faq-contact-card .contact-key {
  flex: 0 0 auto;
  min-width: 70px;
  font-size: 12px;
  letter-spacing: .1em;
  color: var(--amber);
}

.page-faq .faq-contact-card .contact-val {
  flex: 1 1 200px;
  min-width: 0;
  font-size: 14.5px;
  line-height: 1.6;
  color: var(--mist);
  word-break: break-word;
}

.page-faq .faq-contact-note {
  margin: 12px 0 0;
  font-size: 13px;
  line-height: 1.68;
  color: var(--grey);
}

.page-faq .faq-contact-btn {
  margin-top: 14px;
}

.page-faq .faq-contact-media {
  border-radius: var(--r-lg);
  overflow: hidden;
}

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

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

/* ---------- 底部延伸 ---------- */
.page-faq .faq-next {
  padding-bottom: clamp(38px, 6vw, 70px);
}

.page-faq .faq-next .section-head {
  margin-bottom: clamp(16px, 2.6vw, 26px);
}

.page-faq .faq-next .section-lead {
  max-width: 58ch;
  color: var(--faq-ink-soft);
}

.page-faq .faq-next-grid {
  display: grid;
  gap: 10px;
  grid-template-columns: 1fr;
}

.page-faq .faq-next-card {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 6px;
  padding: 16px 44px 16px 18px;
  border: 1px solid var(--faq-panel-line);
  border-radius: var(--r-lg);
  background: linear-gradient(150deg, rgba(46, 36, 66, .78), rgba(18, 5, 31, .9));
  text-decoration: none;
  transition: border-color .25s var(--ease), transform .25s var(--ease);
}

.page-faq .faq-next-card:hover,
.page-faq .faq-next-card:focus-visible {
  border-color: var(--blue);
  transform: translateY(-2px);
}

.page-faq .faq-next-kicker {
  font-size: 11.5px;
  letter-spacing: .16em;
  color: var(--magenta);
}

.page-faq .faq-next-title {
  font-size: 15px;
  font-weight: 700;
  line-height: 1.55;
  color: var(--mist);
}

.page-faq .faq-next-arrow {
  position: absolute;
  right: 16px;
  top: 50%;
  transform: translateY(-50%);
  font-family: var(--font-num);
  font-size: 18px;
  color: var(--blue);
}

/* ---------- 桌面布局 ---------- */
@media (min-width: 720px) {
  .page-faq .faq-contact {
    grid-template-columns: 1.15fr .85fr;
    align-items: stretch;
  }

  .page-faq .faq-next-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (min-width: 900px) {
  .page-faq .faq-hero-inner {
    grid-template-columns: 1.06fr .94fr;
  }

  .page-faq .faq-hero-media {
    clip-path: polygon(0 6%, 100% 0, 100% 94%, 6% 100%);
  }

  .page-faq .faq-layout {
    grid-template-columns: 258px minmax(0, 1fr);
  }

  .page-faq .faq-toc {
    position: sticky;
    top: calc(var(--header-h) + 18px);
  }

  .page-faq .faq-toc-list {
    flex-direction: column;
    overflow: visible;
    padding-bottom: 0;
  }

  .page-faq .faq-toc-link {
    width: 100%;
    border-radius: var(--r-md);
    white-space: normal;
  }

  .page-faq .faq-answer {
    padding-left: 51px;
    padding-right: 22px;
  }
}

@media (min-width: 1100px) {
  .page-faq .faq-next-grid {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-faq .faq-toc-link,
  .page-faq .faq-item,
  .page-faq .faq-next-card {
    transition: none;
  }

  .page-faq .faq-next-card:hover,
  .page-faq .faq-next-card:focus-visible {
    transform: none;
  }
}
<<<END>>>