.page-faq {
  --faq-dash: rgba(201, 165, 82, 0.5);
  --faq-card: #fbf7ec;
}

/* ---------- 面包屑与首屏 ---------- */

.page-faq .faq-crumb {
  margin: 0 0 26px;
}

.page-faq .faq-crumb a {
  color: var(--gold-light);
}

.page-faq .faq-hero {
  position: relative;
  overflow: hidden;
  padding-block: clamp(28px, 5vw, 48px) clamp(56px, 9vw, 108px);
}

.page-faq .faq-hero::before {
  content: "";
  position: absolute;
  top: -28%;
  right: -12%;
  width: min(620px, 68vw);
  aspect-ratio: 1 / 1;
  background:
    conic-gradient(from 210deg,
      rgba(201, 165, 82, 0.30),
      rgba(201, 165, 82, 0) 38%,
      rgba(27, 74, 114, 0.55) 62%,
      rgba(201, 165, 82, 0) 84%);
  transform: rotate(12deg);
  pointer-events: none;
}

.page-faq .faq-hero__inner {
  position: relative;
  z-index: 1;
}

.page-faq .faq-hero h1 {
  font-family: var(--serif);
  font-weight: 700;
  font-size: clamp(1.9rem, 5vw, 3.25rem);
  line-height: 1.22;
  letter-spacing: -0.02em;
  margin: 16px 0 0;
  max-width: 20ch;
  color: var(--pearl);
}

.page-faq .faq-hero__lede {
  max-width: 62ch;
  margin: 22px 0 0;
  font-size: clamp(1rem, 1.5vw, 1.0625rem);
  line-height: 1.8;
  color: rgba(246, 241, 230, 0.82);
}

.page-faq .faq-hero__jump {
  list-style: none;
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin: 30px 0 0;
  padding: 0;
}

.page-faq .faq-hero__jump a {
  display: inline-block;
  padding: 8px 14px;
  border: 1px solid var(--line-gold);
  border-radius: 2px;
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--gold-light);
  text-decoration: none;
  transition: background-color 0.2s var(--ease), color 0.2s var(--ease), transform 0.2s var(--ease);
}

.page-faq .faq-hero__jump a:hover,
.page-faq .faq-hero__jump a:focus-visible {
  background: rgba(201, 165, 82, 0.16);
  color: var(--pearl);
  transform: translateY(-1px);
}

/* ---------- 主体栅格 ---------- */

.page-faq .faq-body {
  padding-block: clamp(40px, 6vw, 72px) clamp(56px, 8vw, 96px);
}

.page-faq .faq-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 28px;
  align-items: start;
}

.page-faq .faq-index {
  background: var(--paper);
  border: 1px solid var(--line-gold-soft);
  border-radius: 2px;
  padding: 16px 18px;
}

.page-faq .faq-index .aside-index__title {
  margin: 0 0 10px;
}

.page-faq .faq-index ol {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  gap: 6px;
  overflow-x: auto;
  scrollbar-width: thin;
}

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

.page-faq .faq-index a {
  display: flex;
  align-items: baseline;
  gap: 8px;
  padding: 8px 10px;
  border-bottom: 2px solid transparent;
  font-size: 14px;
  line-height: 1.4;
  color: var(--ink);
  text-decoration: none;
  white-space: nowrap;
  transition: border-color 0.2s var(--ease), color 0.2s var(--ease), background-color 0.2s var(--ease);
}

.page-faq .faq-index a:hover,
.page-faq .faq-index a:focus-visible {
  border-bottom-color: var(--gold);
  background: rgba(201, 165, 82, 0.12);
  color: var(--navy-court);
}

.page-faq .faq-index .index-num {
  color: var(--gold);
}

/* ---------- 章节 ---------- */

.page-faq .faq-chapter + .faq-chapter {
  margin-top: clamp(48px, 7vw, 84px);
  padding-top: clamp(36px, 5vw, 60px);
  border-top: 1px dashed var(--line-gold-soft);
}

.page-faq .faq-chapter__head {
  display: flex;
  align-items: baseline;
  gap: 12px;
  padding-bottom: 12px;
  border-bottom: 1px solid var(--line);
  margin-bottom: 22px;
}

.page-faq .faq-chapter__head h2 {
  font-family: var(--serif);
  font-weight: 600;
  font-size: clamp(1.35rem, 3.2vw, 1.95rem);
  line-height: 1.3;
  letter-spacing: -0.01em;
  margin: 0;
  color: var(--navy-court);
}

.page-faq .faq-chapter__lede {
  max-width: 66ch;
  margin: 0 0 24px;
  font-size: 1rem;
  line-height: 1.8;
  color: var(--ink);
}

.page-faq .faq-chapter__body p {
  max-width: 66ch;
  margin: 0 0 16px;
  font-size: 1rem;
  line-height: 1.8;
  color: var(--ink);
}

.page-faq .faq-chapter__tail {
  max-width: 66ch;
  margin: 22px 0 0;
  padding-left: 16px;
  border-left: 2px solid var(--gold);
  font-size: 0.9375rem;
  line-height: 1.8;
  color: var(--slate);
}

.page-faq .faq-chapter a {
  color: var(--index-blue);
  text-decoration: underline;
  text-underline-offset: 3px;
  text-decoration-color: var(--line-gold);
}

.page-faq .faq-chapter a:hover {
  color: var(--navy-royal);
  text-decoration-color: var(--gold);
}

/* ---------- 步骤路径 ---------- */

.page-faq .faq-steps {
  list-style: none;
  margin: 0;
  padding: 0;
  position: relative;
  display: grid;
  gap: 16px;
}

.page-faq .faq-steps::before {
  content: "";
  position: absolute;
  left: 21px;
  top: 22px;
  bottom: 22px;
  border-left: 1px dashed var(--faq-dash);
}

.page-faq .faq-step {
  position: relative;
  margin-left: 52px;
  padding: 18px 20px 20px;
  background: var(--faq-card);
  border: 1px solid var(--line);
  border-radius: 2px;
  box-shadow: 3px 3px 0 rgba(237, 227, 208, 0.85);
  transition: border-color 0.2s var(--ease), transform 0.25s var(--ease);
}

.page-faq .faq-step:hover {
  border-color: var(--line-gold);
  transform: translateX(2px);
}

.page-faq .faq-step__num {
  position: absolute;
  left: -53px;
  top: 16px;
  width: 44px;
  padding: 4px 0;
  text-align: center;
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.06em;
  color: var(--navy-court);
  background: var(--paper);
  border: 1px solid var(--line-gold);
  border-radius: 2px;
}

.page-faq .faq-step h3 {
  font-family: var(--serif);
  font-weight: 600;
  font-size: 1.0625rem;
  line-height: 1.5;
  margin: 0 0 8px;
  color: var(--navy-royal);
}

.page-faq .faq-step p {
  margin: 0;
  font-size: 0.9375rem;
  line-height: 1.75;
  color: var(--ink);
}

.page-faq .faq-step a {
  color: var(--index-blue);
  text-decoration: underline;
  text-underline-offset: 3px;
}

/* ---------- 提示块 ---------- */

.page-faq .faq-note {
  margin-top: 26px;
  padding: 18px 20px;
  background: var(--paper);
  border-left: 3px solid var(--gold);
}

.page-faq .faq-note__title {
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--navy-court);
  margin: 0 0 10px;
}

.page-faq .faq-note ul {
  margin: 0;
  padding-left: 18px;
  display: grid;
  gap: 8px;
}

.page-faq .faq-note li {
  font-size: 0.9375rem;
  line-height: 1.7;
  color: var(--ink);
}

.page-faq .faq-note a {
  color: var(--index-blue);
  text-decoration: underline;
  text-underline-offset: 3px;
}

/* ---------- 检索维度 ---------- */

.page-faq .faq-dims {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 14px;
}

.page-faq .faq-dim {
  padding: 16px 18px;
  background: var(--pearl);
  border: 1px solid var(--line);
  border-radius: 2px;
}

.page-faq .faq-dim__key {
  display: inline-block;
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--navy-court);
  padding-bottom: 3px;
  border-bottom: 2px solid var(--gold);
}

.page-faq .faq-dim p {
  margin: 10px 0 0;
  font-size: 0.9375rem;
  line-height: 1.75;
  color: var(--ink);
}

/* ---------- 图文 ---------- */

.page-faq .faq-figure {
  margin: 26px 0 0;
}

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

/* ---------- 对照区 ---------- */

.page-faq .faq-compare {
  margin-top: clamp(32px, 5vw, 56px);
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 2px;
  background: var(--line-gold-soft);
  border: 1px solid var(--line-gold-soft);
  border-radius: 2px;
  overflow: hidden;
}

.page-faq .faq-compare__col {
  padding: 22px 20px 24px;
}

.page-faq .faq-compare__col--plain {
  background: #e8e3da;
}

.page-faq .faq-compare__col--ours {
  background: var(--pearl);
  border-top: 3px solid var(--gold);
}

.page-faq .faq-compare__col h3 {
  font-family: var(--serif);
  font-weight: 600;
  font-size: 1.125rem;
  line-height: 1.5;
  margin: 12px 0 14px;
}

.page-faq .faq-compare__col--plain h3 {
  color: var(--slate);
}

.page-faq .faq-compare__col--ours h3 {
  color: var(--navy-court);
}

.page-faq .faq-compare__col ul {
  margin: 0;
  padding-left: 18px;
  display: grid;
  gap: 9px;
}

.page-faq .faq-compare__col li {
  font-size: 0.9375rem;
  line-height: 1.7;
}

.page-faq .faq-compare__col--plain li {
  color: var(--slate);
}

.page-faq .faq-compare__col--ours li {
  color: var(--ink);
}

.page-faq .faq-compare__col--ours li::marker {
  color: var(--gold);
}

/* ---------- 折叠问题 ---------- */

.page-faq .faq-faqs {
  display: grid;
  gap: 10px;
}

.page-faq .faq-faqs .collapse {
  background: var(--faq-card);
  border: 1px solid var(--line);
  border-radius: 2px;
  transition: border-color 0.2s var(--ease), box-shadow 0.2s var(--ease);
}

.page-faq .faq-faqs .collapse[open] {
  border-color: var(--gold);
  box-shadow: 0 0 0 1px var(--line-gold-soft);
}

.page-faq .faq-faqs .collapse > summary {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 15px 18px;
  cursor: pointer;
  list-style: none;
  font-size: 0.9688rem;
  line-height: 1.6;
  color: var(--navy-court);
}

.page-faq .faq-faqs .collapse > summary::-webkit-details-marker {
  display: none;
}

.page-faq .faq-faqs .collapse > summary:hover {
  background: rgba(201, 165, 82, 0.1);
}

.page-faq .faq-faqs .collapse > summary:focus-visible {
  outline: 2px solid var(--gold);
  outline-offset: -2px;
}

.page-faq .faq-q__mark {
  flex: 0 0 auto;
  width: 8px;
  height: 8px;
  border-right: 1.5px solid var(--gold);
  border-bottom: 1.5px solid var(--gold);
  transform: rotate(-45deg);
  transition: transform 0.25s var(--ease);
}

.page-faq .faq-faqs .collapse[open] .faq-q__mark {
  transform: rotate(45deg);
}

.page-faq .faq-faqs .collapse__body {
  padding: 0 18px 18px;
  border-top: 1px dashed var(--line-gold-soft);
  margin-top: 2px;
  padding-top: 14px;
}

.page-faq .faq-faqs .collapse__body p {
  margin: 0;
  font-size: 0.9375rem;
  line-height: 1.8;
  color: var(--ink);
}

.page-faq .faq-faqs .collapse__body a {
  color: var(--index-blue);
  text-decoration: underline;
  text-underline-offset: 3px;
}

/* ---------- 中屏 ---------- */

@media (min-width: 768px) {
  .page-faq .faq-steps {
    gap: 18px;
  }

  .page-faq .faq-dims {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 16px;
  }

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

  .page-faq .faq-compare__col--ours {
    border-top: none;
    border-left: 3px solid var(--gold);
  }
}

/* ---------- 宽屏：左栏常驻索引 ---------- */

@media (min-width: 1024px) {
  .page-faq .faq-hero h1 {
    max-width: 18ch;
  }

  .page-faq .faq-layout {
    grid-template-columns: minmax(0, 250px) minmax(0, 1fr);
    gap: clamp(36px, 5vw, 64px);
  }

  .page-faq .faq-aside {
    position: sticky;
    top: calc(var(--header-h) + 24px);
    align-self: start;
  }

  .page-faq .faq-index {
    padding: 20px 20px 22px;
  }

  .page-faq .faq-index ol {
    display: grid;
    gap: 0;
    overflow: visible;
  }

  .page-faq .faq-index a {
    border-bottom: none;
    border-left: 2px solid transparent;
    white-space: normal;
    padding: 9px 8px 9px 12px;
    font-size: 0.9063rem;
  }

  .page-faq .faq-index a:hover,
  .page-faq .faq-index a:focus-visible {
    border-left-color: var(--gold);
    border-bottom-color: transparent;
  }

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

/* ---------- 窄屏收口 ---------- */

@media (max-width: 600px) {
  .page-faq .faq-hero__jump {
    gap: 8px;
  }

  .page-faq .faq-hero__jump a {
    padding: 7px 11px;
    font-size: 11px;
  }

  .page-faq .faq-steps::before {
    left: 15px;
    top: 20px;
    bottom: 20px;
  }

  .page-faq .faq-step {
    margin-left: 38px;
    padding: 16px 15px 18px;
    box-shadow: 2px 2px 0 rgba(237, 227, 208, 0.85);
  }

  .page-faq .faq-step__num {
    left: -39px;
    width: 32px;
    font-size: 10px;
    letter-spacing: 0.02em;
  }

  .page-faq .faq-faqs .collapse > summary {
    padding: 13px 14px;
    font-size: 0.9375rem;
  }

  .page-faq .faq-faqs .collapse__body {
    padding: 12px 14px 16px;
  }
}

/* ---------- 动效降级 ---------- */

@media (prefers-reduced-motion: reduce) {
  .page-faq .faq-step,
  .page-faq .faq-hero__jump a,
  .page-faq .faq-q__mark,
  .page-faq .faq-faqs .collapse {
    transition: none;
  }

  .page-faq .faq-step:hover {
    transform: none;
  }

  .page-faq .faq-hero__jump a:hover {
    transform: none;
  }
}