.page-faq {
  --faq-gap: clamp(20px, 4vw, 36px);
  background: var(--ink-0);
  color: var(--fog);
  font-family: var(--font-body);
  overflow-x: hidden;
}

/* ---------- 首屏 ---------- */
.page-faq .faq-hero {
  position: relative;
  isolation: isolate;
  padding: clamp(20px, 4vw, 34px) 0 clamp(30px, 5vw, 58px);
}

.page-faq .faq-hero::before {
  content: "";
  position: absolute;
  z-index: -1;
  top: -180px;
  right: -18%;
  width: min(900px, 125%);
  height: 640px;
  background:
    radial-gradient(circle at 68% 26%, rgba(123, 92, 255, 0.34), transparent 62%),
    radial-gradient(circle at 24% 80%, rgba(53, 224, 208, 0.16), transparent 64%);
  clip-path: polygon(26% 0, 100% 0, 100% 82%, 0 100%);
  pointer-events: none;
}

.page-faq .faq-hero-grid {
  display: grid;
  gap: var(--faq-gap);
  align-items: center;
  margin-top: clamp(18px, 3vw, 30px);
}

.page-faq .faq-title {
  margin: 14px 0 0;
  font-family: var(--font-head);
  font-weight: 300;
  font-size: clamp(2rem, 6.4vw, 3.5rem);
  line-height: 1.16;
  letter-spacing: -0.015em;
  color: var(--fog);
  text-wrap: balance;
}

.page-faq .faq-lede {
  margin: 18px 0 0;
  max-width: 46ch;
  font-size: clamp(1rem, 1.7vw, 1.0625rem);
  line-height: 1.78;
  color: var(--slate);
}

.page-faq .faq-chips {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin: 26px 0 0;
  padding: 0;
  list-style: none;
}

.page-faq .faq-chips a {
  display: inline-flex;
  align-items: center;
  padding: 8px 15px;
  border: 1px solid var(--line);
  border-radius: 999px;
  color: var(--fog);
  font-size: 0.875rem;
  line-height: 1.4;
  text-decoration: none;
  transition: border-color 0.2s ease, color 0.2s ease, background 0.2s ease;
}

.page-faq .faq-chips a:hover,
.page-faq .faq-chips a:focus-visible {
  border-color: var(--cyan);
  color: var(--cyan);
  background: rgba(53, 224, 208, 0.08);
}

.page-faq .faq-hero-media {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  overflow: hidden;
  background: var(--ink-1);
  clip-path: polygon(0 0, 100% 0, 100% 88%, 0 100%);
}

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

/* ---------- 主体布局 ---------- */
.page-faq .faq-main {
  padding-bottom: clamp(56px, 9vw, 104px);
}

.page-faq .faq-layout {
  display: grid;
  gap: clamp(24px, 4vw, 40px);
  align-items: start;
}

/* ---------- 目录 ---------- */
.page-faq .faq-toc {
  padding-bottom: 8px;
}

.page-faq .toc-title {
  margin: 0 0 10px;
  font-size: 0.75rem;
  letter-spacing: 0.16em;
  color: var(--slate);
}

.page-faq .toc-list {
  display: flex;
  gap: 8px;
  margin: 0;
  padding: 0 0 8px;
  list-style: none;
  overflow-x: auto;
  scrollbar-width: thin;
  scrollbar-color: var(--line) transparent;
}

.page-faq .toc-list li {
  flex: 0 0 auto;
}

.page-faq .toc-list a {
  display: flex;
  align-items: baseline;
  gap: 8px;
  padding: 9px 13px;
  border: 1px solid var(--line);
  border-radius: 10px;
  color: var(--slate);
  font-size: 0.875rem;
  line-height: 1.5;
  text-decoration: none;
  white-space: nowrap;
  transition: color 0.2s ease, border-color 0.2s ease, background 0.2s ease;
}

.page-faq .toc-list a:hover,
.page-faq .toc-list a:focus-visible {
  color: var(--fog);
  border-color: var(--violet);
  background: rgba(123, 92, 255, 0.14);
}

.page-faq .toc-num {
  color: var(--cyan);
  font-size: 0.75rem;
  letter-spacing: 0.06em;
}

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

/* ---------- 问答区 ---------- */
.page-faq .faq-section {
  padding-top: clamp(30px, 5vw, 48px);
  scroll-margin-top: calc(var(--header-h) + 24px);
}

.page-faq .faq-section:first-child {
  padding-top: 0;
}

.page-faq .faq-section + .faq-section {
  border-top: 1px solid var(--line);
}

.page-faq .faq-section-head {
  display: flex;
  align-items: baseline;
  gap: 14px;
  margin-bottom: 6px;
}

.page-faq .faq-step {
  font-family: var(--font-mono);
  font-size: 0.8125rem;
  letter-spacing: 0.14em;
  color: var(--amber);
}

.page-faq .faq-section-head h2 {
  margin: 0;
  font-family: var(--font-head);
  font-weight: 500;
  font-size: clamp(1.3rem, 3.1vw, 1.75rem);
  line-height: 1.35;
  letter-spacing: -0.01em;
  color: var(--fog);
}

.page-faq .qa-list {
  counter-reset: qa;
  margin: 10px 0 0;
}

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

.page-faq .qa-item summary {
  display: flex;
  align-items: flex-start;
  gap: 13px;
  padding: 18px 2px;
  list-style: none;
  cursor: pointer;
  font-family: var(--font-head);
  font-size: clamp(1rem, 1.9vw, 1.0625rem);
  font-weight: 500;
  line-height: 1.6;
  color: var(--fog);
  transition: color 0.2s ease;
}

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

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

.page-faq .qa-item summary:focus-visible {
  outline: 2px solid var(--cyan);
  outline-offset: 3px;
  border-radius: 6px;
}

.page-faq .qa-num {
  flex: 0 0 auto;
  padding-top: 0.32em;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  letter-spacing: 0.08em;
  color: var(--slate);
}

.page-faq .qa-num::before {
  content: counter(qa, decimal-leading-zero);
}

.page-faq .qa-q {
  flex: 1 1 auto;
}

.page-faq .qa-item summary::after {
  content: "+";
  flex: 0 0 auto;
  margin-left: 6px;
  font-family: var(--font-mono);
  font-size: 1.125rem;
  line-height: 1.35;
  color: var(--violet);
  transition: color 0.2s ease;
}

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

.page-faq .qa-a {
  padding: 0 6px 20px 34px;
  font-size: 1rem;
  line-height: 1.78;
  color: var(--slate);
}

.page-faq .qa-a p {
  margin: 0 0 0.75em;
}

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

.page-faq .qa-a a {
  color: var(--cyan);
  text-decoration: underline;
  text-underline-offset: 3px;
}

.page-faq .qa-a a:hover,
.page-faq .qa-a a:focus-visible {
  color: var(--amber);
}

/* ---------- 图 ---------- */
.page-faq .faq-figure {
  margin: 22px 0 4px;
}

.page-faq .faq-media {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  overflow: hidden;
  background: var(--ink-1);
}

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

.page-faq .faq-figure .media-caption {
  display: block;
  margin-top: 10px;
  font-size: 0.8125rem;
  line-height: 1.6;
  color: var(--slate);
}

/* ---------- 咨询清单 ---------- */
.page-faq .faq-checklist {
  list-style: none;
  margin: 16px 0 4px;
  padding: 18px 18px 16px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--ink-1);
}

.page-faq .faq-checklist li {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  padding: 8px 0;
  font-size: 0.9375rem;
  line-height: 1.65;
  color: var(--fog);
}

.page-faq .faq-checklist li::before {
  content: "";
  flex: 0 0 auto;
  width: 7px;
  height: 7px;
  margin-top: 0.62em;
  border-radius: 50%;
  background: var(--amber);
  box-shadow: 0 0 0 4px rgba(255, 181, 71, 0.14);
}

/* ---------- 收尾 ---------- */
.page-faq .faq-outro {
  margin-top: clamp(34px, 6vw, 56px);
  padding: clamp(22px, 4vw, 32px);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background:
    radial-gradient(circle at 88% 12%, rgba(123, 92, 255, 0.22), transparent 62%),
    var(--ink-1);
}

.page-faq .faq-outro-title {
  margin: 0 0 10px;
  font-family: var(--font-head);
  font-size: clamp(1.0625rem, 2.4vw, 1.25rem);
  font-weight: 500;
  color: var(--fog);
}

.page-faq .faq-outro-text {
  margin: 0;
  font-size: 0.9375rem;
  line-height: 1.75;
  color: var(--slate);
}

.page-faq .faq-outro-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 18px;
}

/* ---------- 平板 ---------- */
@media (min-width: 760px) {
  .page-faq .faq-hero-grid {
    grid-template-columns: minmax(0, 1.05fr) minmax(0, 0.95fr);
    align-items: end;
  }

  .page-faq .qa-a {
    padding-left: 36px;
    padding-right: 24px;
  }
}

/* ---------- 桌面：左侧目录跟随 ---------- */
@media (min-width: 1024px) {
  .page-faq .faq-hero {
    padding-top: clamp(28px, 3vw, 44px);
  }

  .page-faq .faq-layout {
    grid-template-columns: 238px minmax(0, 1fr);
    gap: clamp(44px, 5vw, 76px);
  }

  .page-faq .faq-toc {
    position: sticky;
    top: calc(var(--header-h) + 26px);
    max-height: calc(100vh - var(--header-h) - 52px);
    overflow-y: auto;
    padding-bottom: 0;
  }

  .page-faq .toc-list {
    display: grid;
    gap: 2px;
    overflow: visible;
    padding-bottom: 0;
  }

  .page-faq .toc-list a {
    border: 0;
    border-left: 2px solid transparent;
    border-radius: 0 10px 10px 0;
    white-space: normal;
    padding: 9px 12px;
  }

  .page-faq .toc-list a:hover,
  .page-faq .toc-list a:focus-visible {
    border-left-color: var(--violet);
    background: rgba(123, 92, 255, 0.14);
  }

  .page-faq .toc-help {
    display: block;
    margin-top: 26px;
    padding: 18px;
    border: 1px solid var(--line);
    border-radius: var(--radius);
    background: var(--ink-1);
  }

  .page-faq .toc-help-title {
    margin: 0 0 8px;
    font-size: 0.9375rem;
    font-weight: 500;
    color: var(--fog);
  }

  .page-faq .toc-help-text {
    margin: 0 0 14px;
    font-size: 0.8125rem;
    line-height: 1.65;
    color: var(--slate);
  }

  .page-faq .faq-outro-actions {
    margin-top: 20px;
  }
}

/* ---------- 窄屏微调 ---------- */
@media (max-width: 480px) {
  .page-faq .qa-a {
    padding-left: 0;
    padding-right: 0;
  }

  .page-faq .faq-checklist {
    padding: 16px 14px 14px;
  }

  .page-faq .faq-hero-media {
    clip-path: none;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-faq .faq-chips a,
  .page-faq .toc-list a,
  .page-faq .qa-item summary,
  .page-faq .qa-item summary::after {
    transition: none;
  }
}
<<<PAGE_CSS_END>>>