.page-faq {
  --faq-rail-w: 216px;
  --faq-gap: clamp(28px, 4vw, 64px);
  position: relative;
  overflow-x: clip;
}

/* ── 光晕氛围 ── */
.page-faq .faq-atmos {
  position: absolute;
  inset: 0;
  z-index: 0;
  pointer-events: none;
  overflow: hidden;
  background:
    radial-gradient(640px 420px at 6% -6%, rgba(255, 45, 138, 0.22), transparent 70%),
    radial-gradient(520px 400px at 98% 10%, rgba(35, 213, 232, 0.16), transparent 72%),
    radial-gradient(480px 360px at 74% 88%, rgba(255, 196, 107, 0.09), transparent 70%);
}

.page-faq .breadcrumbs {
  position: relative;
  z-index: 1;
  padding-top: var(--sp-5);
}

/* ── 首屏 ── */
.page-faq .faq-hero {
  position: relative;
  z-index: 1;
  padding-block: clamp(28px, 4vw, 56px) clamp(48px, 6vw, 96px);
}

.page-faq .faq-hero-inner {
  display: grid;
  gap: clamp(32px, 5vw, 64px);
  align-items: center;
}

.page-faq .faq-hero-title {
  margin: var(--sp-4) 0 var(--sp-5);
  font-family: var(--font-display);
  font-size: var(--fs-display-l);
  font-weight: 800;
  line-height: 1.05;
  letter-spacing: -0.02em;
  color: var(--ink);
  text-shadow: 0 0 18px rgba(255, 45, 138, 0.32), 0 0 30px rgba(35, 213, 232, 0.12);
}

.page-faq .faq-hero-lead {
  max-width: 46ch;
  margin: 0 0 var(--sp-6);
  color: var(--muted);
  line-height: 1.75;
}

.page-faq .faq-hero-meta {
  display: flex;
  flex-wrap: wrap;
  gap: var(--sp-2);
}

.page-faq .faq-hero-visual {
  position: relative;
  margin: 0;
  border: 1px solid var(--line);
  border-radius: var(--r-frame);
  background: var(--surface);
  overflow: hidden;
}

.page-faq .faq-hero-visual::after {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background: linear-gradient(180deg, rgba(8, 9, 15, 0) 42%, rgba(8, 9, 15, 0.74) 100%);
}

.page-faq .faq-hero-visual img {
  display: block;
  width: 100%;
  height: 100%;
  aspect-ratio: 7 / 4;
  object-fit: cover;
}

.page-faq .faq-hero-visual .media-frame-caption {
  position: absolute;
  left: var(--sp-5);
  bottom: var(--sp-4);
  z-index: 1;
  margin: 0;
  color: var(--muted);
  font-size: var(--fs-caption);
  letter-spacing: 0.02em;
}

/* ── 主体分屏 ── */
.page-faq .faq-shell {
  position: relative;
  z-index: 1;
  display: grid;
  gap: clamp(32px, 4vw, 48px);
}

.page-faq .faq-rail {
  display: grid;
  gap: var(--sp-3);
}

.page-faq .faq-rail-title {
  margin: 0;
  color: var(--muted);
  font-size: 11px;
  letter-spacing: 0.22em;
  text-transform: uppercase;
}

.page-faq .faq-rail-list {
  display: flex;
  flex-direction: row;
  gap: var(--sp-2);
  overflow-x: auto;
  padding-bottom: 6px;
  scrollbar-width: none;
  -ms-overflow-style: none;
}

.page-faq .faq-rail-list::-webkit-scrollbar {
  display: none;
}

.page-faq .faq-seg {
  display: inline-flex;
  align-items: baseline;
  gap: var(--sp-2);
  padding: 10px 18px;
  border: 1px solid transparent;
  border-radius: var(--r-pill);
  background: var(--island);
  color: var(--muted);
  font-size: 14px;
  font-weight: 600;
  line-height: 1.3;
  text-decoration: none;
  white-space: nowrap;
  transition: color var(--dur) var(--ease), background var(--dur) var(--ease),
    border-color var(--dur) var(--ease), transform var(--dur) var(--ease);
}

.page-faq .faq-seg-num {
  font-size: 11px;
  letter-spacing: 0.08em;
  color: var(--cyan);
}

.page-faq .faq-seg:hover {
  color: var(--ink);
  transform: translateY(-2px);
}

.page-faq .faq-seg.is-active,
.page-faq .faq-seg[aria-current="true"] {
  color: var(--ink);
  background: rgba(255, 45, 138, 0.13);
  border-color: rgba(255, 45, 138, 0.55);
}

.page-faq .faq-seg.is-active .faq-seg-num,
.page-faq .faq-seg[aria-current="true"] .faq-seg-num {
  color: var(--magenta);
}

.page-faq .faq-seg:focus-visible,
.page-faq .faq-more:focus-visible,
.page-faq .accordion-trigger:focus-visible {
  outline: 2px solid var(--magenta);
  outline-offset: 3px;
}

/* ── 问答列 ── */
.page-faq .faq-body {
  display: grid;
  gap: clamp(40px, 5vw, 76px);
  min-width: 0;
}

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

.page-faq .faq-group-head {
  display: grid;
  gap: 6px;
  margin-bottom: var(--sp-5);
  padding-bottom: var(--sp-4);
  border-bottom: 1px solid var(--line);
}

.page-faq .faq-group-num {
  font-size: 11px;
  letter-spacing: 0.2em;
  color: var(--magenta);
}

.page-faq .faq-group-title {
  margin: 0;
  font-family: var(--font-display);
  font-size: var(--fs-heading);
  font-weight: 700;
  line-height: 1.2;
  letter-spacing: -0.01em;
  color: var(--ink);
}

.page-faq .faq-group-note {
  margin: 0;
  max-width: 52ch;
  color: var(--muted);
  font-size: 14px;
  line-height: 1.6;
}

/* ── 手风琴 ── */
.page-faq .faq-accordion {
  display: grid;
  gap: var(--sp-3);
}

.page-faq .faq-accordion .accordion-item {
  border: 1px solid var(--line);
  border-radius: var(--r-card);
  background: var(--surface);
  overflow: hidden;
  transition: border-color var(--dur) var(--ease), background var(--dur) var(--ease);
}

.page-faq .faq-accordion .accordion-item:hover {
  border-color: rgba(35, 213, 232, 0.34);
}

.page-faq .faq-q {
  margin: 0;
  font-size: inherit;
  font-weight: inherit;
  line-height: inherit;
}

.page-faq .faq-accordion .accordion-trigger {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr) auto;
  align-items: center;
  gap: var(--sp-4);
  width: 100%;
  padding: 20px 22px;
  border: 0;
  background: none;
  color: var(--ink);
  font-family: var(--font-display);
  font-size: clamp(15px, 1.6vw, 17px);
  font-weight: 700;
  line-height: 1.45;
  text-align: left;
  cursor: pointer;
}

.page-faq .faq-q-num {
  font-size: 11px;
  letter-spacing: 0.1em;
  color: var(--cyan);
}

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

.page-faq .faq-sign {
  position: relative;
  width: 22px;
  height: 22px;
  flex: none;
  border: 1px solid var(--line);
  border-radius: var(--r-pill);
  color: var(--cyan);
  transition: transform var(--dur) var(--ease), border-color var(--dur) var(--ease),
    background var(--dur) var(--ease), color var(--dur) var(--ease);
}

.page-faq .faq-sign::before,
.page-faq .faq-sign::after {
  content: "";
  position: absolute;
  top: 50%;
  left: 50%;
  background: currentColor;
  transform: translate(-50%, -50%);
  transition: opacity var(--dur) var(--ease), transform var(--dur) var(--ease);
}

.page-faq .faq-sign::before {
  width: 10px;
  height: 1.5px;
}

.page-faq .faq-sign::after {
  width: 1.5px;
  height: 10px;
}

.page-faq .accordion-trigger[aria-expanded="true"] .faq-sign {
  color: var(--magenta);
  background: rgba(255, 45, 138, 0.14);
  border-color: rgba(255, 45, 138, 0.6);
}

.page-faq .accordion-trigger[aria-expanded="true"] .faq-sign::after {
  opacity: 0;
  transform: translate(-50%, -50%) scaleY(0);
}

.page-faq .faq-accordion .accordion-panel {
  padding: 0 22px 22px;
}

.page-faq .faq-accordion .accordion-panel p {
  margin: 0 0 var(--sp-4);
  max-width: 62ch;
  color: var(--muted);
  line-height: 1.75;
}

.page-faq .faq-more {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding-bottom: 2px;
  border-bottom: 1px solid rgba(35, 213, 232, 0.42);
  color: var(--cyan);
  font-size: 13px;
  font-weight: 600;
  text-decoration: none;
  transition: color var(--dur) var(--ease), border-color var(--dur) var(--ease);
}

.page-faq .faq-more::after {
  content: "→";
  transition: transform var(--dur) var(--ease);
}

.page-faq .faq-more:hover {
  color: var(--ink);
  border-color: var(--ink);
}

.page-faq .faq-more:hover::after {
  transform: translateX(3px);
}

/* ── 组内插图 ── */
.page-faq .faq-figure {
  margin: var(--sp-5) 0 0;
  border: 1px solid var(--line);
  border-radius: var(--r-card);
  background: var(--surface);
  overflow: hidden;
}

.page-faq .faq-figure img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 3 / 2;
  object-fit: cover;
}

.page-faq .faq-figure .media-frame-caption {
  padding: 12px 18px 16px;
  margin: 0;
  color: var(--muted);
  font-size: var(--fs-caption);
  border-top: 1px solid var(--line);
}

/* ── 底部求助卡 ── */
.page-faq .faq-tail {
  position: relative;
  z-index: 1;
  padding-top: clamp(24px, 4vw, 48px);
}

.page-faq .faq-tail-card {
  position: relative;
  padding: clamp(28px, 4vw, 56px);
  border: 1px solid var(--line);
  border-radius: var(--r-frame);
  background:
    linear-gradient(135deg, rgba(255, 45, 138, 0.13) 0%, rgba(106, 43, 255, 0.08) 48%, rgba(35, 213, 232, 0.13) 100%),
    var(--surface);
  overflow: hidden;
}

.page-faq .faq-tail-title {
  margin: var(--sp-3) 0 var(--sp-4);
  font-family: var(--font-display);
  font-size: clamp(22px, 3vw, 32px);
  font-weight: 800;
  line-height: 1.2;
  letter-spacing: -0.01em;
  color: var(--ink);
}

.page-faq .faq-tail-lead {
  max-width: 58ch;
  margin: 0 0 var(--sp-6);
  color: var(--muted);
  line-height: 1.75;
}

.page-faq .faq-contact-grid {
  display: grid;
  gap: var(--sp-3);
  margin-bottom: var(--sp-6);
}

.page-faq .faq-contact-cell {
  padding: 18px 20px;
  border: 1px solid var(--line);
  border-radius: 18px;
  background: rgba(8, 9, 15, 0.42);
}

.page-faq .faq-contact-key {
  display: block;
  margin-bottom: 6px;
  color: var(--cyan);
  font-size: 11px;
  letter-spacing: 0.16em;
}

.page-faq .faq-contact-val {
  margin: 0;
  color: var(--ink);
  font-size: 14px;
  line-height: 1.6;
  word-break: break-word;
}

.page-faq .faq-tail-actions {
  display: flex;
  flex-wrap: wrap;
  gap: var(--sp-3);
}

/* ── 桌面端 ── */
@media (min-width: 900px) {
  .page-faq .faq-hero-inner {
    grid-template-columns: minmax(0, 1fr) minmax(0, 1.05fr);
  }

  .page-faq .faq-shell {
    grid-template-columns: var(--faq-rail-w) minmax(0, 1fr);
    gap: var(--faq-gap);
    align-items: start;
  }

  .page-faq .faq-rail {
    position: sticky;
    top: calc(var(--header-space) + 20px);
  }

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

  .page-faq .faq-seg {
    width: 100%;
    justify-content: flex-start;
  }
}

@media (min-width: 720px) {
  .page-faq .faq-contact-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

@media (min-width: 1200px) {
  .page-faq .faq-rail {
    --faq-rail-w: 240px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-faq .faq-seg,
  .page-faq .faq-sign,
  .page-faq .faq-more::after,
  .page-faq .faq-accordion .accordion-item {
    transition: none;
  }
}
<<<END>>>