.page-faq {
  display: block;
  padding-bottom: clamp(40px, 6vw, 84px);
}

/* ---------- 首屏 ---------- */
.page-faq .faq-hero {
  position: relative;
  overflow: hidden;
  padding: clamp(22px, 4vw, 34px) 0 clamp(34px, 5vw, 62px);
  border-bottom: 1px solid var(--line);
  background:
    radial-gradient(820px 300px at 84% -20%, rgba(56, 232, 255, 0.16), transparent 70%),
    radial-gradient(520px 240px at 6% 110%, rgba(255, 61, 154, 0.1), transparent 72%),
    linear-gradient(180deg, rgba(20, 38, 77, 0.6), rgba(7, 13, 31, 0) 78%);
}

.page-faq .faq-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background-image: linear-gradient(90deg, rgba(42, 63, 107, 0.45) 1px, transparent 1px);
  background-size: 16.666% 100%;
  opacity: 0.55;
}

.page-faq .faq-hero > .container {
  position: relative;
  z-index: 1;
}

.page-faq .breadcrumb__list {
  margin: 0 0 clamp(18px, 3vw, 30px);
}

.page-faq .faq-hero__grid {
  display: grid;
  gap: var(--gap);
  grid-template-columns: 1fr;
  align-items: start;
}

.page-faq .faq-kicker {
  margin: 0 0 12px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--cyan);
}

.page-faq h1 {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(29px, 5.4vw, 54px);
  line-height: 1.1;
  letter-spacing: -0.015em;
  color: var(--ice);
}

.page-faq .faq-lead {
  margin: 18px 0 0;
  max-width: 60ch;
  font-size: clamp(15px, 1.4vw, 17px);
  line-height: 1.9;
  color: var(--mist);
}

.page-faq .faq-hero__meta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 12px;
  margin-top: 26px;
}

.page-faq .faq-version {
  display: inline-flex;
  align-items: baseline;
  gap: 8px;
  padding: 8px 14px;
  border: 1px solid var(--line);
  background: rgba(20, 38, 77, 0.72);
  font-size: 13px;
  color: var(--mist);
}

.page-faq .faq-version .mono {
  font-size: 18px;
  font-weight: 700;
  color: var(--cyan);
}

/* 首屏侧栏 */
.page-faq .faq-hero__panel {
  border: 1px solid var(--line);
  border-top: 2px solid var(--magenta);
  background: rgba(14, 27, 58, 0.86);
  padding: 20px 20px 18px;
}

.page-faq .faq-panel__title {
  margin: 0 0 14px;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 14px;
  letter-spacing: 0.06em;
  color: var(--ice);
}

.page-faq .faq-panel__list {
  margin: 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 10px;
}

.page-faq .faq-panel__list a {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 10px 12px;
  border-left: 2px solid var(--line);
  background: rgba(7, 13, 31, 0.5);
  color: var(--ice);
  font-size: 14.5px;
  line-height: 1.5;
  text-decoration: none;
  transition: border-color var(--dur) var(--ease), background var(--dur) var(--ease), color var(--dur) var(--ease);
}

.page-faq .faq-panel__list a .mono {
  color: var(--cyan);
  font-weight: 700;
}

.page-faq .faq-panel__list a:hover,
.page-faq .faq-panel__list a:focus-visible {
  border-left-color: var(--cyan);
  background: rgba(20, 38, 77, 0.9);
  color: var(--cyan-soft);
}

.page-faq .faq-panel__note {
  margin: 16px 0 0;
  font-size: 13px;
  color: var(--mist);
}

.page-faq .faq-panel__note a {
  color: var(--amber);
  text-decoration: none;
  border-bottom: 1px solid rgba(255, 181, 71, 0.45);
}

.page-faq .faq-panel__note a:hover {
  color: var(--ice);
}

/* ---------- 主体布局 ---------- */
.page-faq .faq-layout {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--gap);
  padding-top: clamp(30px, 4.6vw, 56px);
}

.page-faq .faq-toc {
  display: none;
}

.page-faq .faq-toc__title {
  margin: 0 0 14px;
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--mist);
}

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

.page-faq .faq-toc__list a {
  display: block;
  padding: 9px 0 9px 13px;
  border-left: 1px solid var(--line);
  color: var(--mist);
  font-size: 13.5px;
  line-height: 1.5;
  text-decoration: none;
  transition: color var(--dur) var(--ease), border-color var(--dur) var(--ease);
}

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

.page-faq .faq-toc__list a[aria-current="true"],
.page-faq .faq-toc__list a.is-visible {
  color: var(--cyan);
  border-left-color: var(--cyan);
}

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

/* ---------- 章节 ---------- */
.page-faq .faq-section {
  padding-bottom: clamp(30px, 4.6vw, 54px);
  margin-bottom: clamp(30px, 4.6vw, 54px);
  border-bottom: 1px solid var(--line);
}

.page-faq .faq-section__head {
  display: flex;
  align-items: baseline;
  gap: 14px;
  margin-bottom: 14px;
}

.page-faq .faq-section__num {
  flex: none;
  font-size: 12px;
  letter-spacing: 0.1em;
  color: var(--cyan);
  padding: 3px 8px;
  border: 1px solid rgba(56, 232, 255, 0.4);
  background: rgba(56, 232, 255, 0.08);
}

.page-faq .faq-section h2 {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(21px, 2.8vw, 31px);
  line-height: 1.28;
  letter-spacing: -0.01em;
  color: var(--ice);
}

.page-faq .faq-section__intro {
  margin: 0 0 24px;
  max-width: 66ch;
  font-size: 15.5px;
  line-height: 1.9;
  color: var(--mist);
}

.page-faq .faq-more {
  margin: 20px 0 0;
  font-size: 14px;
  color: var(--mist);
}

.page-faq .faq-more a,
.page-faq .prose a {
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px solid rgba(56, 232, 255, 0.35);
}

.page-faq .faq-more a:hover,
.page-faq .prose a:hover {
  color: var(--cyan-soft);
  border-bottom-color: var(--cyan-soft);
}

/* ---------- 三步自查 ---------- */
.page-faq .faq-steps {
  margin: 0;
  padding: 0;
  list-style: none;
  display: grid;
  grid-template-columns: 1fr;
  gap: 14px;
  counter-reset: faqstep;
}

.page-faq .faq-step {
  position: relative;
  padding: 20px 18px 22px;
  border: 1px solid var(--line);
  border-top: 2px solid transparent;
  background: linear-gradient(180deg, rgba(20, 38, 77, 0.7), rgba(14, 27, 58, 0.4));
  transition: border-color var(--dur) var(--ease), transform var(--dur) var(--ease);
}

.page-faq .faq-step:hover {
  border-top-color: var(--cyan);
  transform: translateY(-2px);
}

.page-faq .faq-step__num {
  display: block;
  font-size: 11.5px;
  letter-spacing: 0.16em;
  color: var(--magenta);
}

.page-faq .faq-step__title {
  margin: 10px 0 8px;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 17px;
  line-height: 1.4;
  color: var(--ice);
}

.page-faq .faq-step p {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.85;
  color: var(--mist);
}

/* ---------- 图片 ---------- */
.page-faq .faq-figure {
  margin: 26px 0 0;
  border: 1px solid var(--line);
  background: rgba(14, 27, 58, 0.6);
}

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

.page-faq .faq-figure__cap {
  padding: 12px 16px;
  border-top: 1px solid var(--line);
  font-size: 12.5px;
  line-height: 1.7;
  color: var(--mist);
}

/* ---------- 版本区块 ---------- */
.page-faq .faq-split {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--gap);
  align-items: start;
}

.page-faq .faq-split__text p {
  margin: 0 0 16px;
  font-size: 15.5px;
  line-height: 1.95;
  color: var(--mist);
}

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

.page-faq .faq-inline-num {
  color: var(--cyan);
  font-weight: 700;
  font-size: 1.08em;
}

.page-faq .faq-figure--side {
  margin-top: 0;
}

/* ---------- 问答折叠 ---------- */
.page-faq .qa-list {
  border-top: 1px solid var(--line);
}

.page-faq .qa {
  border-bottom: 1px solid var(--line);
}

.page-faq .qa summary {
  display: flex;
  gap: 14px;
  align-items: flex-start;
  padding: 16px 2px;
  cursor: pointer;
  list-style: none;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 15.5px;
  line-height: 1.6;
  color: var(--ice);
  transition: color var(--dur) var(--ease);
}

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

.page-faq .qa summary::after {
  content: "+";
  flex: none;
  margin-left: auto;
  font-family: var(--font-mono);
  font-size: 19px;
  line-height: 1.2;
  color: var(--cyan);
}

.page-faq .qa[open] summary::after {
  content: "–";
  color: var(--magenta);
}

.page-faq .qa summary:hover {
  color: var(--cyan-soft);
}

.page-faq .qa__body {
  padding: 0 2px 18px;
}

.page-faq .qa__body p {
  margin: 0;
  max-width: 68ch;
  font-size: 14.5px;
  line-height: 1.95;
  color: var(--mist);
}

/* ---------- 联系反馈 ---------- */
.page-faq .faq-contact {
  display: grid;
  grid-template-columns: 1fr;
  gap: 14px;
}

.page-faq .faq-contact__card {
  padding: 20px 18px;
  border: 1px solid var(--line);
  background: rgba(14, 27, 58, 0.62);
}

.page-faq .faq-contact__key {
  display: inline-block;
  font-size: 11.5px;
  letter-spacing: 0.16em;
  color: var(--cyan);
}

.page-faq .faq-contact__val {
  margin: 10px 0 8px;
  font-family: var(--font-mono);
  font-size: clamp(15px, 2vw, 19px);
  font-weight: 700;
  letter-spacing: 0.01em;
  color: var(--ice);
  word-break: break-word;
}

.page-faq .faq-contact__hint {
  margin: 0;
  font-size: 13.5px;
  line-height: 1.8;
  color: var(--mist);
}

.page-faq .faq-contact__card--wide {
  border-left: 2px solid var(--amber);
}

.page-faq .faq-checklist {
  margin: 12px 0 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 10px;
}

.page-faq .faq-checklist li {
  position: relative;
  padding-left: 20px;
  font-size: 14px;
  line-height: 1.8;
  color: var(--mist);
}

.page-faq .faq-checklist li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 9px;
  width: 8px;
  height: 8px;
  background: var(--amber);
  opacity: 0.85;
}

/* ---------- 状态说明 ---------- */
.page-faq .faq-states {
  margin: 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 0;
  border-top: 1px solid var(--line);
}

.page-faq .faq-states li {
  display: grid;
  grid-template-columns: 14px 1fr;
  gap: 14px;
  padding: 18px 0;
  border-bottom: 1px solid var(--line);
}

.page-faq .faq-state__dot {
  width: 10px;
  height: 10px;
  margin-top: 7px;
  background: var(--amber);
  box-shadow: 0 0 0 4px rgba(255, 181, 71, 0.14);
}

.page-faq .faq-states h3 {
  margin: 0 0 8px;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 15.5px;
  line-height: 1.5;
  color: var(--ice);
}

.page-faq .faq-states p {
  margin: 0;
  max-width: 66ch;
  font-size: 14.5px;
  line-height: 1.9;
  color: var(--mist);
}

/* ---------- 尾段 ---------- */
.page-faq .faq-tail {
  padding: clamp(22px, 3.4vw, 34px) clamp(18px, 3vw, 32px);
  border: 1px solid var(--line);
  background:
    linear-gradient(120deg, rgba(56, 232, 255, 0.09), rgba(255, 61, 154, 0.08) 60%, rgba(14, 27, 58, 0.2)),
    rgba(14, 27, 58, 0.55);
}

.page-faq .faq-tail__title {
  margin: 0 0 18px;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(18px, 2.2vw, 23px);
  color: var(--ice);
}

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

.page-faq .faq-tail__links a {
  display: inline-block;
  padding: 9px 14px;
  border: 1px solid var(--line);
  background: rgba(7, 13, 31, 0.55);
  color: var(--ice);
  font-size: 13.5px;
  text-decoration: none;
  transition: border-color var(--dur) var(--ease), color var(--dur) var(--ease), background var(--dur) var(--ease);
}

.page-faq .faq-tail__links a:hover,
.page-faq .faq-tail__links a:focus-visible {
  border-color: var(--cyan);
  color: var(--cyan);
  background: rgba(56, 232, 255, 0.08);
}

/* ---------- 响应式 ---------- */
@media (min-width: 620px) {
  .page-faq .faq-steps {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

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

  .page-faq .faq-contact__card--wide {
    grid-column: 1 / -1;
  }
}

@media (min-width: 900px) {
  .page-faq .faq-hero__grid {
    grid-template-columns: minmax(0, 1.4fr) minmax(0, 0.72fr);
    gap: clamp(24px, 4vw, 56px);
  }

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

  .page-faq .faq-step {
    border-right-width: 0;
  }

  .page-faq .faq-step:last-child {
    border-right-width: 1px;
  }

  .page-faq .faq-split {
    grid-template-columns: minmax(0, 1.05fr) minmax(0, 0.95fr);
    gap: clamp(24px, 3.6vw, 44px);
  }
}

@media (min-width: 1000px) {
  .page-faq .faq-layout {
    grid-template-columns: 208px minmax(0, 1fr);
    gap: clamp(28px, 4vw, 56px);
  }

  .page-faq .faq-toc {
    display: block;
    position: sticky;
    top: calc(var(--header-h) + 22px);
    align-self: start;
    padding-top: 6px;
  }
}

@media (max-width: 420px) {
  .page-faq .faq-hero__meta .btn {
    width: 100%;
    text-align: center;
  }

  .page-faq .faq-section__head {
    flex-wrap: wrap;
    gap: 8px;
  }
}
<<<PAGE_CSS_END>>>
</main>