.page-faq {
  --faq-hair: rgba(201, 162, 83, 0.24);
  --faq-hair-strong: rgba(201, 162, 83, 0.72);
  --faq-cyan-soft: rgba(52, 226, 216, 0.08);
  padding-bottom: 88px;
}

.page-faq .breadcrumb {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  align-items: center;
  max-width: var(--content-max);
  margin: 0 auto;
  padding: 22px 24px 0;
  font-size: 13px;
  color: var(--gray-400);
}

.page-faq .breadcrumb__item {
  color: var(--gray-400);
  text-decoration: none;
}

.page-faq .breadcrumb a.breadcrumb__item {
  color: var(--gold-300);
}

.page-faq .breadcrumb a.breadcrumb__item:hover,
.page-faq .breadcrumb a.breadcrumb__item:focus-visible {
  color: var(--cyan-400);
}

.page-faq .breadcrumb__sep {
  color: var(--faq-hair-strong);
}

/* ---------- 首屏 ---------- */

.page-faq .faq-hero {
  max-width: var(--content-max);
  margin: 0 auto;
  padding: 28px 24px 0;
}

.page-faq .faq-hero__kicker {
  display: flex;
  align-items: center;
  gap: 10px;
  margin: 0 0 16px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.16em;
  color: var(--gold-500);
}

.page-faq .faq-hero__kicker::before {
  content: "";
  width: 40px;
  height: 2px;
  background: var(--gold-500);
  flex: 0 0 auto;
}

.page-faq .faq-hero h1 {
  margin: 0 0 18px;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(34px, 8.4vw, 74px);
  line-height: 1.08;
  letter-spacing: -0.01em;
  color: var(--paper-100);
  max-width: 14ch;
}

.page-faq .faq-hero__lead {
  margin: 0;
  font-size: 16px;
  line-height: 1.85;
  color: var(--gray-400);
  max-width: 64ch;
}

.page-faq .faq-figure {
  margin: 32px 0 0;
  border: 1px solid var(--ink-700);
  background: var(--ink-850);
  overflow: hidden;
}

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

.page-faq .faq-figure--banner {
  border-color: var(--gold-500);
  box-shadow: var(--shadow-hard);
}

.page-faq .faq-figure__cap {
  padding: 10px 14px;
  border-top: 1px solid var(--ink-700);
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.04em;
  color: var(--gray-400);
}

/* ---------- 双栏骨架 ---------- */

.page-faq .faq-layout {
  max-width: var(--content-max);
  margin: 0 auto;
  padding: 44px 24px 0;
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 32px;
}

.page-faq .faq-toc {
  border-top: 2px solid var(--gold-500);
  padding-top: 14px;
}

.page-faq .faq-toc__title {
  margin: 0 0 12px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.2em;
  color: var(--gold-500);
}

.page-faq .faq-toc__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.page-faq .faq-toc__link {
  display: block;
  padding: 9px 12px;
  border: 1px solid var(--ink-700);
  border-left: 2px solid transparent;
  color: var(--paper-100);
  font-size: 14px;
  line-height: 1.4;
  text-decoration: none;
  transition: color 0.2s ease, border-color 0.2s ease, background-color 0.2s ease;
}

.page-faq .faq-toc__link:hover,
.page-faq .faq-toc__link:focus-visible {
  color: var(--gold-300);
  border-left-color: var(--cyan-400);
  background: var(--faq-cyan-soft);
}

.page-faq .faq-toc__link:focus-visible {
  outline: var(--focus);
  outline-offset: 2px;
}

/* ---------- 章节 ---------- */

.page-faq .faq-section {
  scroll-margin-top: 24px;
  margin-bottom: 52px;
}

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

.page-faq .faq-section__head {
  border-left: 2px solid var(--gold-500);
  padding-left: 16px;
  margin-bottom: 22px;
}

.page-faq .faq-section__num {
  margin: 0 0 8px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.16em;
  color: var(--gold-500);
}

.page-faq .faq-section__head h2 {
  margin: 0 0 10px;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(24px, 4.4vw, 36px);
  line-height: 1.2;
  letter-spacing: -0.01em;
  color: var(--paper-100);
}

.page-faq .faq-section__lead {
  margin: 0;
  font-size: 15px;
  line-height: 1.8;
  color: var(--gray-400);
  max-width: 62ch;
}

/* ---------- 折叠问答 ---------- */

.page-faq .faq-list {
  display: grid;
  gap: 12px;
}

.page-faq .qa {
  background: var(--ink-850);
  border: 1px solid var(--ink-700);
  transition: border-color 0.2s ease, transform 0.2s ease;
}

.page-faq .qa:hover {
  border-color: var(--cyan-400);
}

.page-faq .qa[open] {
  border-left: 3px solid var(--gold-500);
  border-color: var(--gold-500);
  box-shadow: var(--shadow-hard);
}

.page-faq .qa summary {
  list-style: none;
  cursor: pointer;
  display: flex;
  align-items: flex-start;
  gap: 12px;
  padding: 16px 18px;
  font-size: 16px;
  font-weight: 500;
  line-height: 1.6;
  color: var(--paper-100);
}

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

.page-faq .qa summary::marker {
  content: "";
}

.page-faq .qa summary:focus-visible {
  outline: var(--focus);
  outline-offset: 2px;
}

.page-faq .qa__mark {
  flex: 0 0 auto;
  width: 13px;
  height: 13px;
  margin-top: 6px;
  border: 1px solid var(--gold-500);
  background: transparent;
  transition: background-color 0.2s ease, border-color 0.2s ease;
}

.page-faq .qa[open] .qa__mark {
  background: var(--cyan-400);
  border-color: var(--cyan-400);
}

.page-faq .qa[open] summary {
  color: var(--gold-300);
}

.page-faq .qa__a {
  padding: 0 18px 18px 43px;
  font-size: 15px;
  line-height: 1.85;
  color: var(--gray-400);
  border-top: 1px solid var(--ink-700);
  padding-top: 14px;
  margin-top: 0;
}

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

.page-faq .faq-num {
  font-family: var(--font-mono);
  font-size: 1.06em;
  letter-spacing: 0.02em;
  color: var(--gold-300);
  font-weight: 500;
}

.page-faq .faq-mono {
  font-family: var(--font-mono);
  font-size: 0.96em;
  letter-spacing: 0.02em;
  color: var(--cyan-400);
  word-break: break-all;
}

/* ---------- 节奏分隔 ---------- */

.page-faq .faq-band {
  height: 1px;
  margin: 0 0 52px;
  background: linear-gradient(90deg, var(--gold-500) 0%, rgba(201, 162, 83, 0.35) 42%, rgba(201, 162, 83, 0) 100%);
}

/* ---------- 结尾双路径 ---------- */

.page-faq .faq-more {
  margin-bottom: 0;
}

.page-faq .faq-paths {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 26px;
  padding: 26px 22px;
  background: var(--paper-100);
  border: 1px solid var(--gold-500);
  box-shadow: var(--shadow-gold);
}

.page-faq .faq-path__label {
  margin: 0 0 8px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.18em;
  color: var(--jade-700);
}

.page-faq .faq-path h3 {
  margin: 0 0 10px;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 21px;
  line-height: 1.3;
  color: var(--ink-950);
}

.page-faq .faq-path p {
  margin: 0 0 18px;
  font-size: 15px;
  line-height: 1.8;
  color: var(--ink-700);
}

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

.page-faq .faq-path__links a {
  display: inline-block;
  color: var(--ink-950);
  font-size: 14px;
  line-height: 1.6;
  text-decoration: none;
  border-bottom: 1px solid var(--paper-300);
  padding-bottom: 2px;
}

.page-faq .faq-path__links a:hover,
.page-faq .faq-path__links a:focus-visible {
  color: var(--jade-700);
  border-bottom-color: var(--jade-700);
}

.page-faq .faq-path__links a:focus-visible,
.page-faq .faq-path .btn:focus-visible {
  outline: var(--focus);
  outline-offset: 2px;
}

/* ---------- 桌面 ---------- */

@media (min-width: 960px) {
  .page-faq .faq-layout {
    grid-template-columns: 224px minmax(0, 1fr);
    gap: 64px;
    padding-top: 60px;
  }

  .page-faq .faq-toc {
    position: sticky;
    top: 28px;
    align-self: start;
  }

  .page-faq .faq-toc__list {
    flex-direction: column;
    flex-wrap: nowrap;
    gap: 2px;
  }

  .page-faq .faq-toc__link {
    border: 1px solid transparent;
    border-left: 2px solid transparent;
    padding: 11px 12px;
  }

  .page-faq .faq-section {
    scroll-margin-top: 32px;
  }

  .page-faq .faq-paths {
    grid-template-columns: minmax(0, 5fr) minmax(0, 7fr);
    gap: 44px;
    padding: 38px 34px;
  }

  .page-faq .faq-figure__cap {
    padding: 12px 18px;
  }
}

@media (min-width: 1280px) {
  .page-faq .faq-hero {
    padding-top: 44px;
  }

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

@media (prefers-reduced-motion: reduce) {
  .page-faq .qa,
  .page-faq .qa__mark,
  .page-faq .faq-toc__link {
    transition: none;
  }
}