.page-faq {
  --group-accent: var(--signal-teal);
  --group-tint: rgba(59, 242, 196, .08);
  background: var(--pitch-900);
  color: var(--mist);
  font-family: var(--font-body);
  overflow-x: clip;
}

.page-faq * {
  box-sizing: border-box;
}

/* ---------- 首屏 ---------- */
.page-faq .faq-hero {
  position: relative;
  isolation: isolate;
  padding-block: clamp(24px, 6vw, 60px) clamp(32px, 6vw, 68px);
  background:
    radial-gradient(120% 100% at 88% -20%, rgba(59, 242, 196, .16), transparent 58%),
    radial-gradient(90% 90% at 0% 10%, rgba(156, 140, 255, .12), transparent 55%),
    linear-gradient(160deg, var(--pitch-950) 0%, var(--pitch-900) 80%);
}

.page-faq .faq-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: -1;
  pointer-events: none;
  background-image:
    linear-gradient(to right, rgba(42, 74, 61, .38) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(42, 74, 61, .38) 1px, transparent 1px);
  background-size: 64px 64px;
  -webkit-mask-image: linear-gradient(180deg, rgba(0, 0, 0, .7), transparent 72%);
  mask-image: linear-gradient(180deg, rgba(0, 0, 0, .7), transparent 72%);
}

.page-faq .faq-hero-grid {
  display: grid;
  gap: clamp(20px, 4vw, 40px);
}

.page-faq .faq-rail {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 10px;
  align-content: start;
}

.page-faq .faq-rail .rail-item {
  padding: 10px 12px;
  border-radius: 12px;
  background: rgba(14, 42, 33, .72);
  border-left: 2px solid var(--line-green);
}

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

.page-faq h1 {
  margin: 12px 0 0;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(1.8rem, 4.8vw, 3.05rem);
  line-height: 1.16;
  letter-spacing: -.01em;
  color: var(--paper);
  text-wrap: balance;
}

.page-faq .faq-lede {
  max-width: 660px;
  margin-top: 16px;
  font-size: clamp(15px, 1.6vw, 17px);
  line-height: 1.85;
  color: var(--mist);
}

/* ---------- 快速入口 ---------- */
.page-faq .faq-quick {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 10px;
  margin-top: clamp(22px, 3.4vw, 32px);
}

.page-faq .faq-quick-btn {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 6px;
  padding: 16px 14px 14px;
  border-radius: 16px;
  background: rgba(14, 42, 33, .82);
  border: 1px solid var(--line-green);
  color: var(--paper);
  text-decoration: none;
  transition: transform .22s var(--ease), border-color .22s var(--ease), background .22s var(--ease);
}

.page-faq .faq-quick-btn::after {
  content: "";
  position: absolute;
  top: 14px;
  right: 14px;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--signal-teal);
  opacity: .8;
}

.page-faq .faq-quick-btn:hover {
  transform: translateY(-3px);
  border-color: var(--signal-teal);
  background: rgba(22, 59, 46, .92);
}

.page-faq .faq-quick-btn:focus-visible {
  outline: 2px solid var(--signal-teal);
  outline-offset: 3px;
  transform: translateY(-3px);
  border-color: var(--signal-teal);
}

.page-faq .faq-quick-icon {
  display: inline-flex;
  color: var(--signal-teal);
}

.page-faq .faq-quick-label {
  font-size: 15px;
  font-weight: 600;
  line-height: 1.4;
}

.page-faq .faq-quick-meta {
  font-family: var(--font-mono);
  font-size: 11.5px;
  line-height: 1.5;
  letter-spacing: .01em;
  color: var(--mist);
  padding-right: 12px;
}

.page-faq .faq-quick-btn--accent {
  border-color: rgba(255, 138, 61, .45);
  background: rgba(35, 27, 20, .6);
}

.page-faq .faq-quick-btn--accent::after {
  background: var(--warm-orange);
}

.page-faq .faq-quick-btn--accent .faq-quick-icon {
  color: var(--warm-orange);
}

.page-faq .faq-quick-btn--accent:hover,
.page-faq .faq-quick-btn--accent:focus-visible {
  border-color: var(--warm-orange);
  background: rgba(52, 34, 22, .8);
}

/* ---------- 正文布局 ---------- */
.page-faq .faq-body {
  padding-block: clamp(30px, 5.5vw, 76px);
  background: linear-gradient(180deg, var(--pitch-900), var(--pitch-950));
}

.page-faq .faq-layout {
  display: grid;
  gap: 24px;
}

.page-faq .faq-toc {
  padding: 16px;
  border-radius: var(--radius);
  background: rgba(14, 42, 33, .9);
  border: 1px solid var(--line-green);
}

.page-faq .faq-toc-title {
  margin: 0 0 10px;
  font-size: 11.5px;
  font-weight: 600;
  letter-spacing: .14em;
  color: var(--teal-soft);
}

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

.page-faq .faq-toc-link {
  display: flex;
  align-items: baseline;
  gap: 10px;
  padding: 9px 10px;
  border-radius: 10px;
  border-left: 2px solid transparent;
  color: var(--mist);
  text-decoration: none;
  font-size: 14px;
  transition: color .2s var(--ease), background .2s var(--ease), border-color .2s var(--ease);
}

.page-faq .faq-toc-link:hover,
.page-faq .faq-toc-link:focus-visible {
  color: var(--paper);
  background: rgba(59, 242, 196, .09);
  border-left-color: var(--signal-teal);
}

.page-faq .faq-toc-link:focus-visible {
  outline: 2px solid var(--signal-teal);
  outline-offset: 2px;
}

.page-faq .faq-toc-num {
  font-family: var(--font-mono);
  font-size: 11.5px;
  color: var(--signal-teal);
  min-width: 2ch;
}

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

/* ---------- 分组 ---------- */
.page-faq .faq-group {
  scroll-margin-top: 96px;
  margin-bottom: clamp(16px, 3vw, 26px);
  padding: clamp(16px, 3vw, 28px);
  border-radius: clamp(16px, 2.6vw, 24px);
  border: 1px solid var(--line-green);
  background: linear-gradient(180deg, var(--group-tint), rgba(8, 28, 22, .72) 58%);
}

.page-faq .faq-group--time {
  --group-accent: var(--signal-teal);
  --group-tint: rgba(59, 242, 196, .09);
}

.page-faq .faq-group--preview {
  --group-accent: var(--warm-orange);
  --group-tint: rgba(255, 138, 61, .10);
}

.page-faq .faq-group--screen {
  --group-accent: var(--violet-data);
  --group-tint: rgba(156, 140, 255, .11);
}

.page-faq .faq-group--access {
  --group-accent: var(--teal-soft);
  --group-tint: rgba(168, 247, 223, .07);
}

.page-faq .faq-group--report {
  --group-accent: var(--orange-deep);
  --group-tint: rgba(201, 86, 28, .13);
}

.page-faq .faq-group-head {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  align-items: baseline;
  column-gap: 12px;
  row-gap: 4px;
  margin-bottom: 12px;
}

.page-faq .faq-group-num {
  grid-row: span 2;
  font-family: var(--font-data);
  font-weight: 700;
  font-size: clamp(26px, 5vw, 38px);
  line-height: .9;
  color: var(--group-accent);
  opacity: .85;
}

.page-faq .faq-group-title {
  margin: 0;
  grid-column: 2;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(1.2rem, 2.6vw, 1.65rem);
  line-height: 1.25;
  color: var(--paper);
}

.page-faq .faq-group-note {
  margin: 0;
  grid-column: 2;
  font-size: 13px;
  line-height: 1.6;
  color: var(--mist);
}

/* ---------- 问题条目 ---------- */
.page-faq .faq-item {
  margin-top: 10px;
  border-radius: 14px;
  border: 1px solid rgba(42, 74, 61, .8);
  background: rgba(5, 19, 15, .55);
  transition: border-color .2s var(--ease), background .2s var(--ease);
}

.page-faq .faq-item:hover {
  border-color: rgba(59, 242, 196, .28);
}

.page-faq .faq-item[open] {
  border-color: var(--group-accent);
  background: rgba(5, 19, 15, .82);
}

.page-faq .faq-q {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  padding: 14px 16px;
  cursor: pointer;
  list-style: none;
  color: var(--paper);
  font-size: 15.5px;
  font-weight: 600;
  line-height: 1.6;
}

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

.page-faq .faq-q:focus-visible {
  outline: 2px solid var(--group-accent);
  outline-offset: -2px;
  border-radius: 14px;
}

.page-faq .faq-q-text {
  flex: 1 1 auto;
  min-width: 0;
}

.page-faq .faq-q-mark {
  position: relative;
  flex: 0 0 auto;
  width: 18px;
  height: 18px;
  margin-top: 4px;
}

.page-faq .faq-q-mark::before,
.page-faq .faq-q-mark::after {
  content: "";
  position: absolute;
  left: 50%;
  top: 50%;
  background: var(--group-accent);
  border-radius: 2px;
  transform: translate(-50%, -50%);
}

.page-faq .faq-q-mark::before {
  width: 12px;
  height: 2px;
}

.page-faq .faq-q-mark::after {
  width: 2px;
  height: 12px;
  transition: transform .22s var(--ease), opacity .22s var(--ease);
}

.page-faq .faq-item[open] .faq-q-mark::after {
  transform: translate(-50%, -50%) scaleY(0);
  opacity: 0;
}

.page-faq .faq-a {
  padding: 0 16px 16px;
}

.page-faq .faq-a p {
  margin: 0;
  max-width: 64ch;
  font-size: 14.5px;
  line-height: 1.85;
  color: var(--mist);
}

.page-faq .fig {
  display: inline-block;
  padding: 0 6px;
  border-radius: 6px;
  background: rgba(255, 255, 255, .08);
  font-family: var(--font-mono);
  font-size: .93em;
  font-weight: 600;
  color: var(--group-accent);
  white-space: nowrap;
}

/* ---------- 配图 ---------- */
.page-faq .faq-media {
  position: relative;
  margin: 0 0 18px;
  border-radius: var(--radius);
  overflow: hidden;
  border: 1px solid var(--line-green);
  background: var(--pitch-950);
}

.page-faq .faq-media::after {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background-image: linear-gradient(to right, rgba(59, 242, 196, .14) 1px, transparent 1px);
  background-size: 48px 100%;
  opacity: .45;
}

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

.page-faq .faq-media-cap {
  position: relative;
  z-index: 1;
  padding: 10px 14px;
  background: rgba(5, 19, 15, .94);
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .02em;
  line-height: 1.6;
  color: var(--teal-soft);
}

/* ---------- 仍需帮助 ---------- */
.page-faq .faq-help {
  scroll-margin-top: 96px;
  margin-top: clamp(24px, 4vw, 40px);
  padding: clamp(20px, 3.6vw, 40px);
  border-radius: clamp(18px, 3vw, 28px);
  border: 1px solid rgba(255, 138, 61, .3);
  background:
    radial-gradient(90% 120% at 100% 0%, rgba(255, 138, 61, .15), transparent 62%),
    linear-gradient(180deg, var(--pitch-800), var(--pitch-950));
}

.page-faq .faq-help-grid {
  display: grid;
  gap: clamp(20px, 3vw, 32px);
}

.page-faq .faq-help-main {
  min-width: 0;
}

.page-faq .faq-help h2 {
  margin: 8px 0 0;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(1.35rem, 3vw, 2rem);
  line-height: 1.25;
  color: var(--paper);
}

.page-faq .faq-help-text {
  margin: 12px 0 0;
  max-width: 62ch;
  font-size: 15px;
  line-height: 1.85;
  color: var(--mist);
}

.page-faq .faq-help-list {
  display: grid;
  gap: 8px;
  margin: 20px 0 0;
  padding: 0;
}

.page-faq .faq-help-row {
  display: grid;
  gap: 2px;
  padding: 10px 14px;
  border-radius: 12px;
  background: rgba(5, 19, 15, .55);
  border-left: 2px solid var(--warm-orange);
}

.page-faq .faq-help-term {
  font-size: 11.5px;
  font-weight: 600;
  letter-spacing: .12em;
  color: var(--warm-orange);
}

.page-faq .faq-help-val {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 14px;
  line-height: 1.7;
  color: var(--paper);
  overflow-wrap: anywhere;
  word-break: break-word;
}

.page-faq .faq-help-note {
  margin: 14px 0 0;
  font-size: 13px;
  line-height: 1.75;
  color: var(--mist);
}

.page-faq .faq-help .btn-row {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 20px;
}

.page-faq .faq-help-media {
  margin-bottom: 0;
  align-self: start;
}

/* ---------- 响应式 ---------- */
@media (min-width: 720px) {
  .page-faq .faq-quick {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }

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

  .page-faq .faq-help-row {
    grid-template-columns: 96px minmax(0, 1fr);
    align-items: baseline;
    gap: 12px;
  }
}

@media (min-width: 940px) {
  .page-faq .faq-hero-grid {
    grid-template-columns: minmax(200px, 272px) minmax(0, 1fr);
    align-items: start;
  }

  .page-faq .faq-rail {
    grid-template-columns: 1fr;
    position: sticky;
    top: 100px;
  }

  .page-faq .faq-help-grid {
    grid-template-columns: minmax(0, 1.15fr) minmax(0, .85fr);
    align-items: start;
  }
}

@media (min-width: 1000px) {
  .page-faq .faq-layout {
    grid-template-columns: minmax(200px, 252px) minmax(0, 1fr);
    gap: clamp(28px, 4vw, 56px);
    align-items: start;
  }

  .page-faq .faq-toc {
    position: sticky;
    top: 100px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-faq .faq-quick-btn,
  .page-faq .faq-item,
  .page-faq .faq-q-mark::after,
  .page-faq .faq-toc-link {
    transition-duration: .01ms;
  }

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