.page-faq {
  --faq-sticky-top: 28px;
  display: block;
  padding-bottom: 56px;
}

.page-faq .breadcrumbs {
  margin-bottom: 20px;
}

/* ---------- 首屏 ---------- */
.page-faq .faq-hero {
  position: relative;
  overflow: hidden;
  border: 3px solid var(--line);
  box-shadow: var(--shadow-hard);
  background:
    radial-gradient(circle at 88% 4%, rgba(0, 229, 195, 0.16), transparent 58%),
    linear-gradient(158deg, #0C2A24 0%, #061A16 74%);
  padding: 26px 18px 30px;
}

.page-faq .faq-hero::before {
  content: "";
  position: absolute;
  top: 0;
  left: 18px;
  width: 96px;
  height: 3px;
  background: var(--orange);
}

.page-faq .faq-hero::after {
  content: "";
  position: absolute;
  right: -46px;
  bottom: -62px;
  width: 190px;
  height: 190px;
  border: 3px solid rgba(255, 138, 61, 0.32);
  transform: rotate(20deg);
  pointer-events: none;
}

.page-faq .faq-hero__title {
  position: relative;
  margin: 14px 0 16px;
  max-width: 20ch;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(30px, 7.4vw, 68px);
  line-height: 1.05;
  letter-spacing: -0.015em;
  color: var(--cream);
}

.page-faq .faq-hero__title em {
  font-style: normal;
  color: var(--cyan);
}

.page-faq .faq-hero__lede {
  position: relative;
  margin: 0;
  max-width: 60ch;
  font-size: 16px;
  line-height: 1.78;
  color: var(--muted);
}

.page-faq .faq-chips {
  position: relative;
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin: 24px 0 0;
  padding: 0;
  list-style: none;
}

.page-faq .faq-chip {
  display: inline-flex;
  align-items: center;
  min-height: 48px;
  padding: 0 16px;
  border: 2px solid var(--line);
  background: rgba(0, 229, 195, 0.07);
  color: var(--cream);
  font-size: 15px;
  line-height: 1.2;
  text-decoration: none;
  transition: border-color 0.16s ease, background 0.16s ease, color 0.16s ease;
}

.page-faq .faq-chip:hover,
.page-faq .faq-chip:focus-visible {
  border-color: var(--cyan);
  background: rgba(0, 229, 195, 0.16);
  color: var(--cyan-soft);
}

/* ---------- 布局 ---------- */
.page-faq .faq-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 26px;
  margin-top: 30px;
}

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

/* ---------- 目录 ---------- */
.page-faq .faq-rail {
  border: 2px solid var(--line);
  background: var(--surface);
  padding: 16px 14px 18px;
}

.page-faq .faq-rail__title {
  margin: 0 0 12px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.14em;
  color: var(--cyan);
}

.page-faq .faq-rail__list {
  display: grid;
  gap: 2px;
  margin: 0 0 16px;
  padding: 0;
  list-style: none;
  counter-reset: none;
}

.page-faq .faq-rail__link {
  display: flex;
  align-items: center;
  gap: 10px;
  min-height: 48px;
  padding: 6px 8px;
  border-left: 2px solid transparent;
  color: var(--cream);
  font-size: 15px;
  line-height: 1.35;
  text-decoration: none;
  transition: background 0.16s ease, border-color 0.16s ease;
}

.page-faq .faq-rail__link:hover,
.page-faq .faq-rail__link:focus-visible {
  background: rgba(0, 229, 195, 0.09);
  border-left-color: var(--cyan);
}

.page-faq .faq-rail__num {
  flex: 0 0 auto;
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--cyan);
  letter-spacing: 0.06em;
}

.page-faq .faq-rail__cta {
  display: flex;
  justify-content: center;
  width: 100%;
}

/* ---------- 章节 ---------- */
.page-faq .faq-section {
  margin-bottom: 44px;
  scroll-margin-top: 88px;
}

.page-faq .faq-section:last-of-type {
  margin-bottom: 32px;
}

.page-faq .faq-section__title {
  display: flex;
  align-items: center;
  gap: 12px;
  margin: 0 0 16px;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(22px, 4.6vw, 32px);
  line-height: 1.16;
  letter-spacing: -0.01em;
  color: var(--cream);
}

.page-faq .faq-section__title::before {
  content: "";
  flex: 0 0 auto;
  width: 30px;
  height: 4px;
  background: var(--orange);
}

/* ---------- 问答手风琴 ---------- */
.page-faq .qa {
  margin-bottom: 12px;
  border: 2px solid var(--line);
  background: var(--surface);
  box-shadow: var(--shadow-soft);
  transition: border-color 0.16s ease;
}

.page-faq .qa[open] {
  border-color: rgba(0, 229, 195, 0.7);
}

.page-faq .qa__q {
  display: flex;
  align-items: center;
  gap: 12px;
  min-height: 60px;
  padding: 14px 14px;
  cursor: pointer;
  list-style: none;
  font-family: var(--font-body);
  font-weight: 700;
  font-size: 17px;
  line-height: 1.45;
  color: var(--cream);
}

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

.page-faq .qa__q:focus-visible {
  outline: 3px solid var(--cyan);
  outline-offset: -3px;
}

.page-faq .qa__num {
  flex: 0 0 auto;
  font-family: var(--font-mono);
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.06em;
  color: var(--cyan);
}

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

.page-faq .qa__sign {
  position: relative;
  flex: 0 0 auto;
  width: 26px;
  height: 26px;
  border: 2px solid var(--line);
}

.page-faq .qa__sign::before,
.page-faq .qa__sign::after {
  content: "";
  position: absolute;
  top: 50%;
  left: 50%;
  width: 12px;
  height: 2px;
  background: var(--orange);
  transform: translate(-50%, -50%);
}

.page-faq .qa__sign::after {
  transform: translate(-50%, -50%) rotate(90deg);
  transition: transform 0.2s ease;
}

.page-faq .qa[open] .qa__sign {
  border-color: var(--cyan);
}

.page-faq .qa[open] .qa__sign::after {
  transform: translate(-50%, -50%) rotate(0deg);
}

.page-faq .qa__a {
  padding: 2px 14px 18px;
  font-size: 16px;
  line-height: 1.78;
  color: var(--muted);
}

.page-faq .qa__a p {
  margin: 0 0 12px;
}

.page-faq .qa__a > *:last-child {
  margin-bottom: 0;
}

.page-faq .qa__lead {
  color: var(--cream);
  font-weight: 700;
}

.page-faq .qa__a .link-arrow {
  color: var(--cyan);
  text-decoration: underline;
  text-underline-offset: 3px;
  word-break: break-all;
}

/* ---------- 步骤 ---------- */
.page-faq .qa__steps {
  display: grid;
  gap: 8px;
  margin: 14px 0 14px;
  padding: 0;
  list-style: none;
  counter-reset: faqstep;
}

.page-faq .qa__steps li {
  position: relative;
  counter-increment: faqstep;
  padding: 10px 12px 10px 46px;
  border-left: 3px solid var(--cyan);
  background: rgba(0, 229, 195, 0.06);
  font-size: 15px;
  line-height: 1.65;
  color: var(--cream);
}

.page-faq .qa__steps li::before {
  content: counter(faqstep, decimal-leading-zero);
  position: absolute;
  top: 11px;
  left: 12px;
  font-family: var(--font-mono);
  font-size: 13px;
  color: var(--cyan);
}

/* ---------- 数据小卡 ---------- */
.page-faq .qa__facts {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 8px;
  margin: 14px 0 4px;
}

.page-faq .fact {
  border: 2px solid var(--line);
  background: var(--ink);
  padding: 10px 12px;
}

.page-faq .fact__k {
  display: block;
  margin-bottom: 4px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.05em;
  color: var(--muted);
}

.page-faq .fact__v {
  display: block;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 22px;
  line-height: 1.12;
  color: var(--cyan);
}

/* ---------- 图 ---------- */
.page-faq .faq-figure {
  margin: 16px 0 4px;
}

.page-faq .faq-figure .media-frame {
  margin-bottom: 8px;
}

.page-faq .faq-figure .annotation {
  display: block;
}

.page-faq .nav-map {
  display: block;
  width: 100%;
  max-width: 440px;
  height: auto;
  margin-bottom: 8px;
  border: 2px solid var(--line);
  background: var(--ink);
}

/* ---------- 邮件与按钮 ---------- */
.page-faq .faq-actions {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px 14px;
  margin: 16px 0 12px;
}

.page-faq .faq-copy-status {
  margin: 0;
  min-height: 18px;
}

/* ---------- 结尾引导 ---------- */
.page-faq .faq-cta {
  position: relative;
  overflow: hidden;
  border: 3px solid var(--line);
  background:
    linear-gradient(150deg, rgba(0, 229, 195, 0.1), transparent 62%),
    var(--surface);
  box-shadow: var(--shadow-hard);
  padding: 24px 18px 26px;
}

.page-faq .faq-cta::before {
  content: "";
  position: absolute;
  top: 0;
  right: 0;
  width: 120px;
  height: 4px;
  background: var(--cyan);
}

.page-faq .faq-cta__title {
  margin: 0 0 12px;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(22px, 4.4vw, 30px);
  line-height: 1.18;
  color: var(--cream);
}

.page-faq .faq-cta__text {
  margin: 0 0 20px;
  max-width: 62ch;
  font-size: 16px;
  line-height: 1.78;
  color: var(--muted);
}

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

.page-faq .faq-cta__actions .btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 48px;
}

/* ---------- 窄屏兜底 ---------- */
@media (max-width: 359px) {
  .page-faq .faq-hero {
    padding: 22px 14px 26px;
  }

  .page-faq .qa__q {
    font-size: 16px;
    padding: 13px 12px;
  }

  .page-faq .qa__a {
    padding: 2px 12px 16px;
  }

  .page-faq .qa__steps li {
    padding-left: 40px;
  }
}

/* ---------- 平板 / 桌面 ---------- */
@media (min-width: 640px) {
  .page-faq .qa__facts {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .page-faq .qa__q {
    padding: 16px 18px;
    font-size: 18px;
  }

  .page-faq .qa__a {
    padding: 2px 18px 20px;
  }

  .page-faq .faq-hero {
    padding: 32px 30px 36px;
  }

  .page-faq .faq-cta {
    padding: 28px 26px 30px;
  }
}

@media (min-width: 1040px) {
  .page-faq .faq-layout {
    grid-template-columns: 236px minmax(0, 1fr);
    gap: 44px;
    align-items: start;
  }

  .page-faq .faq-rail {
    position: sticky;
    top: var(--faq-sticky-top);
  }

  .page-faq .faq-hero__lede {
    font-size: 17px;
  }

  .page-faq .qa__a {
    font-size: 17px;
  }

  .page-faq .qa__steps li {
    font-size: 16px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-faq .faq-chip,
  .page-faq .qa,
  .page-faq .qa__sign::after,
  .page-faq .faq-rail__link {
    transition: none;
  }
}
<<<PAGE_CSS_END>>>