.page-faq {
  --faq-line: rgba(107, 122, 144, 0.24);
  --faq-panel: #101A2B;
  --faq-panel-2: #1B2740;
  position: relative;
  overflow-x: clip;
  background:
    radial-gradient(880px 420px at 92% -6%, rgba(255, 75, 31, 0.16), transparent 70%),
    radial-gradient(680px 360px at -8% 26%, rgba(53, 240, 192, 0.08), transparent 72%),
    var(--ink-950);
  color: var(--chalk-050);
  font-family: var(--font-body);
  padding: clamp(18px, 3.6vw, 44px) clamp(16px, 4vw, 44px) clamp(64px, 8vw, 104px);
}

.page-faq .faq-shell {
  max-width: 1180px;
  margin: 0 auto;
  position: relative;
}

/* ---------- 首屏 ---------- */
.page-faq .faq-hero {
  position: relative;
  padding: 26px 0 clamp(30px, 5vw, 52px);
  border-bottom: var(--hairline);
  isolation: isolate;
}

.page-faq .faq-hero::before {
  content: "";
  position: absolute;
  inset: -20px -24px 0 -24px;
  z-index: -1;
  pointer-events: none;
  background-image:
    linear-gradient(var(--grid-line) 1px, transparent 1px),
    linear-gradient(90deg, var(--grid-line) 1px, transparent 1px);
  background-size: 72px 72px;
  opacity: 0.5;
  -webkit-mask-image: linear-gradient(180deg, #000 0%, transparent 88%);
  mask-image: linear-gradient(180deg, #000 0%, transparent 88%);
}

.page-faq .page-kicker {
  font-family: var(--font-data);
  font-size: 12px;
  letter-spacing: 0.28em;
  color: var(--signal-400);
  margin: 0 0 14px;
  text-transform: uppercase;
}

.page-faq .faq-hero h1 {
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(30px, 6.6vw, 72px);
  line-height: 1.04;
  letter-spacing: -0.02em;
  max-width: 14em;
  margin: 0 0 20px;
  color: var(--chalk-050);
  text-shadow: 3px 3px 0 rgba(255, 75, 31, 0.32);
  transform: rotate(-1.5deg);
  transform-origin: left bottom;
}

.page-faq .faq-lead {
  max-width: 34em;
  font-size: 16px;
  line-height: 1.78;
  color: rgba(244, 241, 236, 0.82);
  margin: 0 0 26px;
}

.page-faq .faq-toc {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.page-faq .faq-toc__link {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  padding: 9px 14px;
  min-height: 40px;
  font-size: 13px;
  color: rgba(244, 241, 236, 0.78);
  text-decoration: none;
  border: var(--hairline);
  background: rgba(16, 26, 43, 0.72);
  transition: border-color var(--dur-hover) ease, color var(--dur-hover) ease,
    transform var(--dur-hover) ease;
}

.page-faq .faq-toc__link:hover,
.page-faq .faq-toc__link:focus-visible {
  border-color: var(--flame-500);
  color: var(--chalk-050);
  transform: translateY(-3px);
}

.page-faq .faq-toc__n {
  font-family: var(--font-data);
  font-size: 12px;
  color: var(--flame-500);
  letter-spacing: 0;
}

/* ---------- 分区骨架 ---------- */
.page-faq .faq-section {
  display: grid;
  grid-template-columns: 1fr;
  gap: 16px;
  padding: clamp(34px, 6vw, 60px) 0;
  border-bottom: var(--hairline);
}

.page-faq .faq-rail {
  display: flex;
  align-items: center;
  gap: 14px;
}

.page-faq .faq-num {
  font-family: var(--font-data);
  font-size: clamp(34px, 6.5vw, 52px);
  line-height: 0.9;
  letter-spacing: -0.04em;
  color: transparent;
  -webkit-text-stroke: 1px var(--flame-500);
}

.page-faq .faq-rail-name {
  font-size: 12px;
  letter-spacing: 0.28em;
  color: var(--steel-500);
  white-space: nowrap;
}

.page-faq .faq-body h2 {
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(22px, 3.4vw, 34px);
  line-height: 1.24;
  letter-spacing: -0.01em;
  margin: 0 0 16px;
  color: var(--chalk-050);
}

.page-faq .faq-body__lead {
  max-width: 34em;
  font-size: 16px;
  line-height: 1.78;
  color: rgba(244, 241, 236, 0.8);
  margin: 0 0 22px;
}

/* ---------- 三步入口 ---------- */
.page-faq .faq-steps {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 12px;
}

.page-faq .faq-steps li {
  position: relative;
  padding: 16px 18px 16px 60px;
  font-size: 15px;
  line-height: 1.72;
  color: rgba(244, 241, 236, 0.82);
  background: linear-gradient(90deg, var(--faq-panel-2) 0%, rgba(16, 26, 43, 0.55) 100%);
  border-left: 2px solid var(--flame-500);
  transition: transform var(--dur-hover) ease, border-color var(--dur-hover) ease;
}

.page-faq .faq-steps li:hover {
  transform: translateY(-3px);
  border-left-color: var(--signal-400);
}

.page-faq .faq-steps strong {
  display: block;
  color: var(--chalk-050);
  font-weight: 700;
  margin-bottom: 4px;
}

.page-faq .step-idx {
  position: absolute;
  left: 14px;
  top: 14px;
  font-family: var(--font-data);
  font-size: 22px;
  line-height: 1;
  color: var(--signal-400);
}

/* ---------- 图片 ---------- */
.page-faq .faq-figure {
  margin: 26px 0 0;
  border: var(--hairline);
  background: var(--faq-panel);
}

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

.page-faq .faq-figure figcaption {
  font-size: 12px;
  line-height: 1.6;
  color: var(--steel-500);
  padding: 10px 14px;
  border-top: var(--hairline);
}

/* ---------- 公告栏示意 ---------- */
.page-faq .notice-demo {
  margin: 0 0 22px;
  border: var(--hairline);
  background: var(--faq-panel);
}

.page-faq .notice-tabs {
  display: flex;
  flex-wrap: wrap;
  border-bottom: var(--hairline);
}

.page-faq .notice-tab {
  flex: 1 1 168px;
  display: flex;
  align-items: center;
  min-height: 44px;
  padding: 11px 15px;
  font-size: 13px;
  color: var(--steel-500);
  text-decoration: none;
  border-right: var(--hairline);
  transition: color var(--dur-hover) ease, background-color var(--dur-hover) ease;
}

.page-faq .notice-tab:last-child {
  border-right: 0;
}

.page-faq .notice-tab:hover,
.page-faq .notice-tab:focus-visible {
  color: var(--chalk-050);
  background: rgba(255, 75, 31, 0.12);
}

.page-faq .notice-line {
  list-style: none;
  margin: 0;
  padding: 0;
}

.page-faq .notice-item {
  position: relative;
  display: grid;
  grid-template-columns: 1fr;
  gap: 8px;
  padding: 16px 16px 16px 44px;
  border-bottom: var(--hairline);
  transition: background-color var(--dur-hover) ease, box-shadow var(--dur-hover) ease;
}

.page-faq .notice-item:last-child {
  border-bottom: 0;
}

.page-faq .notice-item::before {
  content: "";
  position: absolute;
  left: 21px;
  top: 0;
  bottom: 0;
  width: 1px;
  background: var(--faq-line);
}

.page-faq .notice-item::after {
  content: "";
  position: absolute;
  left: 16px;
  top: 22px;
  width: 11px;
  height: 11px;
  border-radius: 50%;
  border: 2px solid var(--steel-500);
  background: var(--ink-950);
}

.page-faq .notice-item--ops::after {
  border-color: var(--signal-400);
  background: var(--signal-400);
}

.page-faq .notice-item--latest::after {
  border-color: var(--flame-500);
  background: var(--flame-500);
}

.page-faq .notice-item:target {
  background: rgba(53, 240, 192, 0.07);
  box-shadow: inset 3px 0 0 var(--signal-400);
}

.page-faq .notice-item__text h3 {
  font-size: 15px;
  font-weight: 700;
  color: var(--chalk-050);
  margin: 0 0 4px;
}

.page-faq .notice-item__text p {
  font-size: 14px;
  line-height: 1.7;
  color: rgba(244, 241, 236, 0.74);
  margin: 0;
}

.page-faq .faq-shortcut {
  font-size: 14px;
  line-height: 1.75;
  color: rgba(244, 241, 236, 0.8);
  padding: 14px 16px;
  border-left: 4px solid var(--flame-500);
  background: rgba(27, 39, 64, 0.5);
  margin: 0 0 8px;
}

.page-faq .faq-shortcut strong {
  color: var(--signal-400);
}

.page-faq .faq-shortcut a {
  color: var(--ember-300);
  text-decoration: underline;
  text-underline-offset: 3px;
}

/* ---------- 手机端四步 ---------- */
.page-faq .mobile-steps {
  list-style: none;
  margin: 0 0 22px;
  padding: 0;
  display: grid;
  gap: 12px;
}

.page-faq .mobile-steps li {
  display: grid;
  grid-template-columns: auto 1fr auto;
  align-items: center;
  gap: 12px;
  padding: 14px 16px;
  background: rgba(27, 39, 64, 0.55);
  border-bottom: 1px solid var(--faq-line);
  transition: background-color var(--dur-hover) ease, transform var(--dur-hover) ease;
}

.page-faq .mobile-steps li:hover {
  background: var(--faq-panel-2);
  transform: translateY(-3px);
}

.page-faq .mobile-steps__n {
  font-family: var(--font-data);
  font-size: 20px;
  line-height: 1;
  color: var(--signal-400);
  letter-spacing: -0.02em;
}

.page-faq .mobile-steps h3 {
  font-size: 15px;
  font-weight: 700;
  color: var(--chalk-050);
  margin: 0 0 3px;
}

.page-faq .mobile-steps p {
  font-size: 14px;
  line-height: 1.7;
  color: rgba(244, 241, 236, 0.76);
  margin: 0;
}

.page-faq .mobile-steps a {
  color: var(--ember-300);
  text-decoration: underline;
  text-underline-offset: 3px;
}

.page-faq .faq-tap {
  flex: none;
  display: block;
}

/* ---------- 订阅 ---------- */
.page-faq .sub-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 10px;
}

.page-faq .sub-card {
  padding: 18px 16px;
  border-left: 2px solid var(--flame-500);
  background: linear-gradient(135deg, rgba(27, 39, 64, 0.9) 0%, rgba(16, 26, 43, 0.45) 100%);
  transition: border-left-color var(--dur-hover) ease, transform var(--dur-hover) ease;
}

.page-faq .sub-card:hover {
  border-left-color: var(--signal-400);
  transform: translateY(-3px);
}

.page-faq .sub-card h3 {
  font-family: var(--font-display);
  font-size: 17px;
  font-weight: 900;
  color: var(--chalk-050);
  margin: 0 0 8px;
}

.page-faq .sub-card p {
  font-size: 14px;
  line-height: 1.72;
  color: rgba(244, 241, 236, 0.76);
  margin: 0;
}

/* ---------- 常见疑问 ---------- */
.page-faq .qa-group {
  margin-top: 26px;
}

.page-faq .qa-group:first-of-type {
  margin-top: 0;
}

.page-faq .qa-group__title {
  font-family: var(--font-data);
  font-size: 12px;
  letter-spacing: 0.26em;
  color: var(--signal-400);
  margin: 0 0 6px;
  padding-bottom: 8px;
  border-bottom: 1px solid var(--flame-500);
  display: inline-block;
}

.page-faq .qa {
  border-bottom: var(--hairline);
}

.page-faq .qa summary {
  position: relative;
  list-style: none;
  cursor: pointer;
  padding: 15px 40px 15px 2px;
  font-size: 15px;
  font-weight: 700;
  line-height: 1.6;
  color: var(--chalk-050);
  transition: color var(--dur-hover) ease;
}

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

.page-faq .qa summary::after {
  content: "+";
  position: absolute;
  right: 6px;
  top: 50%;
  transform: translateY(-50%);
  font-family: var(--font-data);
  font-size: 20px;
  line-height: 1;
  color: var(--flame-500);
}

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

.page-faq .qa summary:hover,
.page-faq .qa summary:focus-visible {
  color: var(--ember-300);
}

.page-faq .qa__a {
  font-size: 14px;
  line-height: 1.78;
  color: rgba(244, 241, 236, 0.78);
  max-width: 34em;
  padding: 0 0 16px 14px;
  border-left: 4px solid transparent;
}

.page-faq .qa[open] .qa__a {
  border-left-color: var(--flame-500);
}

.page-faq .qa__a a {
  color: var(--ember-300);
  text-decoration: underline;
  text-underline-offset: 3px;
}

/* ---------- 收尾 ---------- */
.page-faq .faq-cta {
  margin-top: clamp(34px, 6vw, 56px);
  padding: clamp(22px, 4vw, 34px);
  background:
    linear-gradient(115deg, rgba(194, 42, 12, 0.55) 0%, rgba(16, 26, 43, 0.9) 62%),
    var(--ink-800);
  border-top: 2px solid var(--flame-500);
}

.page-faq .faq-cta__title {
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(20px, 3.6vw, 30px);
  line-height: 1.3;
  margin: 0 0 10px;
  color: var(--chalk-050);
}

.page-faq .faq-cta__text {
  font-size: 15px;
  line-height: 1.75;
  color: rgba(244, 241, 236, 0.8);
  max-width: 34em;
  margin: 0 0 20px;
}

.page-faq .faq-cta__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

/* ---------- 断点 ---------- */
@media (min-width: 560px) {
  .page-faq .sub-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (min-width: 900px) {
  .page-faq .faq-section {
    grid-template-columns: 148px minmax(0, 1fr);
    gap: clamp(24px, 4vw, 44px);
  }

  .page-faq .faq-rail {
    flex-direction: column;
    align-items: flex-start;
    gap: 16px;
    position: sticky;
    top: 88px;
    align-self: start;
  }

  .page-faq .faq-rail-name {
    writing-mode: vertical-rl;
    white-space: normal;
    letter-spacing: 0.42em;
    padding-top: 4px;
  }

  .page-faq .sub-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .page-faq .notice-item {
    grid-template-columns: 96px minmax(0, 1fr);
    align-items: start;
  }

  .page-faq .faq-hero h1 {
    transform: rotate(-2deg);
  }
}

@media (min-width: 1100px) {
  .page-faq .faq-section--qa {
    grid-template-columns: 148px minmax(0, 1fr);
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-faq .faq-toc__link,
  .page-faq .faq-steps li,
  .page-faq .mobile-steps li,
  .page-faq .sub-card {
    transition: none;
  }

  .page-faq .faq-toc__link:hover,
  .page-faq .faq-steps li:hover,
  .page-faq .mobile-steps li:hover,
  .page-faq .sub-card:hover {
    transform: none;
  }

  .page-faq .faq-hero h1 {
    transform: none;
  }
}
<<<PAGE_CSS_END>>>