.page-faq {
  --faq-rail: 272px;
  --faq-offset: clamp(1.75rem, 5vw, 3.25rem);
  --faq-scroll: 6.5rem;
  --gold-deep: #8a6d24;
  background: var(--paper);
  color: var(--graphite);
  font-family: var(--font-body);
  line-height: 1.75;
}

/* ---------- 首屏 ---------- */
.page-faq .faq-hero {
  position: relative;
  overflow: hidden;
  padding: clamp(2.25rem, 6vw, 4.25rem) 0 clamp(2.5rem, 6vw, 4.5rem);
  background: linear-gradient(116deg, var(--ink-deep) 0 46%, var(--ink-table) 46% 100%);
  color: var(--paper);
}

.page-faq .faq-hero::after {
  content: "";
  position: absolute;
  right: -14%;
  bottom: -42%;
  width: min(620px, 76vw);
  height: min(620px, 76vw);
  border-radius: 50%;
  background: radial-gradient(circle, rgba(46, 94, 126, 0.45), transparent 68%);
  pointer-events: none;
}

.page-faq .faq-hero-inner {
  position: relative;
  z-index: 1;
  display: grid;
  gap: clamp(1.75rem, 5vw, 3rem);
  align-items: center;
}

@media (min-width: 900px) {
  .page-faq .faq-hero-inner {
    grid-template-columns: minmax(0, 1.08fr) minmax(0, 0.92fr);
  }
}

.page-faq .breadcrumbs {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.5rem;
  margin: 0 0 1rem;
  font-size: 0.78rem;
  letter-spacing: 0.05em;
  color: rgba(243, 237, 225, 0.6);
}

.page-faq .breadcrumbs a {
  color: rgba(243, 237, 225, 0.82);
  text-decoration: none;
  border-bottom: 1px solid rgba(243, 237, 225, 0.26);
  transition: color 0.24s var(--ease), border-color 0.24s var(--ease);
}

.page-faq .breadcrumbs a:hover {
  color: var(--gold);
  border-bottom-color: var(--gold);
}

.page-faq .breadcrumbs [aria-current="page"] {
  color: var(--gold);
}

.page-faq .faq-hero .eyebrow,
.page-faq .faq-cta .eyebrow {
  display: inline-block;
  margin: 0 0 0.75rem;
  padding: 0.2rem 0.6rem;
  border: 1px solid rgba(200, 164, 82, 0.5);
  border-radius: 3px;
  font-family: var(--font-mono);
  font-size: 0.74rem;
  letter-spacing: 0.16em;
  color: var(--gold);
  background: rgba(200, 164, 82, 0.1);
}

.page-faq .faq-hero h1 {
  margin: 0 0 1rem;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(1.9rem, 5.4vw, 3.3rem);
  line-height: 1.24;
  letter-spacing: -0.01em;
  color: var(--paper);
}

.page-faq .faq-hero .lede {
  max-width: 46ch;
  margin: 0 0 1.6rem;
  font-size: clamp(0.94rem, 1.6vw, 1.05rem);
  line-height: 1.85;
  color: rgba(243, 237, 225, 0.8);
}

.page-faq .faq-hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin: 0 0 1.75rem;
}

.page-faq .btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.4rem;
  padding: 0.7rem 1.35rem;
  border: 1px solid transparent;
  border-radius: 4px;
  font-family: var(--font-body);
  font-size: 0.9rem;
  font-weight: 600;
  line-height: 1.3;
  text-decoration: none;
  cursor: pointer;
  transition: background-color 0.24s var(--ease), color 0.24s var(--ease),
    border-color 0.24s var(--ease), transform 0.24s var(--ease);
}

.page-faq .btn--cinnabar {
  background: var(--cinnabar);
  border-color: var(--cinnabar);
  color: var(--white);
}

.page-faq .btn--cinnabar:hover {
  background: #9c3123;
  border-color: #9c3123;
  transform: translateY(-1px);
}

.page-faq .btn--ghost {
  background: transparent;
  border-color: rgba(243, 237, 225, 0.42);
  color: var(--paper);
}

.page-faq .btn--ghost:hover {
  border-color: var(--gold);
  color: var(--gold);
}

.page-faq .btn--line {
  background: transparent;
  border-color: var(--blue-soft);
  color: var(--blue);
}

.page-faq .btn--line:hover {
  border-color: var(--blue);
  background: rgba(46, 94, 126, 0.08);
}

.page-faq .faq-hero-facts {
  display: flex;
  flex-wrap: wrap;
  gap: 0.45rem 1.6rem;
  margin: 0;
  padding: 0;
  list-style: none;
  font-size: 0.8rem;
  color: rgba(243, 237, 225, 0.64);
}

.page-faq .faq-hero-facts li {
  display: flex;
  align-items: baseline;
  gap: 0.45rem;
}

.page-faq .faq-hero-facts .mono {
  font-size: 0.98rem;
  font-weight: 700;
  color: var(--gold);
}

.page-faq .media-frame {
  display: block;
  position: relative;
  overflow: hidden;
}

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

.page-faq .faq-hero-media {
  aspect-ratio: 3 / 2;
  border: 1px solid rgba(243, 237, 225, 0.2);
  border-radius: 6px;
  background: rgba(243, 237, 225, 0.06);
  box-shadow: 0 26px 64px -32px rgba(0, 0, 0, 0.75);
}

/* ---------- 主体两栏 ---------- */
.page-faq .faq-layout {
  display: grid;
  gap: var(--faq-offset);
  padding: clamp(2.25rem, 6vw, 4rem) 0 clamp(2.25rem, 5vw, 3.5rem);
}

@media (min-width: 1000px) {
  .page-faq .faq-layout {
    grid-template-columns: var(--faq-rail) minmax(0, 1fr);
    gap: clamp(2rem, 4vw, 3.5rem);
    align-items: start;
  }
}

.page-faq .faq-index {
  padding: 1.3rem 1.2rem 1.1rem;
  border: 1px solid var(--inline);
  border-radius: 6px;
  background: var(--glass);
  backdrop-filter: blur(8px);
}

@media (min-width: 1000px) {
  .page-faq .faq-index {
    position: sticky;
    top: var(--faq-scroll);
  }
}

.page-faq .faq-index-title {
  margin: 0 0 0.85rem;
  font-family: var(--font-display);
  font-size: 1rem;
  font-weight: 700;
  letter-spacing: 0.02em;
  color: var(--ink-table);
}

.page-faq .faq-index-list {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 0.2rem 0.7rem;
  margin: 0;
  padding: 0;
  list-style: none;
}

@media (min-width: 1000px) {
  .page-faq .faq-index-list {
    grid-template-columns: 1fr;
  }
}

.page-faq .faq-index-list a {
  display: flex;
  align-items: baseline;
  gap: 0.55rem;
  padding: 0.5rem 0.4rem;
  border-left: 2px solid transparent;
  border-radius: 4px;
  font-size: 0.86rem;
  line-height: 1.5;
  color: var(--graphite);
  text-decoration: none;
  transition: color 0.2s var(--ease), border-color 0.2s var(--ease),
    background-color 0.2s var(--ease);
}

.page-faq .faq-index-list a:hover {
  color: var(--blue);
  border-left-color: var(--blue);
  background: rgba(46, 94, 126, 0.07);
}

.page-faq .idx-num {
  flex: none;
  font-size: 0.72rem;
  color: var(--blue);
}

.page-faq .faq-index-note {
  margin: 0.9rem 0 0;
  padding-top: 0.85rem;
  border-top: 1px dashed var(--inline);
  font-size: 0.77rem;
  line-height: 1.7;
  color: var(--muted);
}

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

.page-faq .faq-section {
  scroll-margin-top: var(--faq-scroll);
  margin-bottom: clamp(1.75rem, 4vw, 2.75rem);
  padding-bottom: clamp(1.5rem, 4vw, 2.5rem);
  border-bottom: 1px solid var(--inline-soft);
}

.page-faq .faq-section:last-of-type {
  margin-bottom: 0;
  padding-bottom: 0;
  border-bottom: 0;
}

.page-faq .faq-section .section-head {
  margin-bottom: 1.15rem;
}

.page-faq .faq-section .eyebrow {
  display: inline-block;
  margin: 0 0 0.5rem;
  padding: 0.18rem 0.55rem;
  border: 1px solid var(--blue-soft);
  border-radius: 3px;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.12em;
  color: var(--blue);
  background: rgba(46, 94, 126, 0.06);
}

.page-faq .faq-section .section-title {
  margin: 0 0 0.5rem;
  font-family: var(--font-display);
  font-size: clamp(1.25rem, 3vw, 1.68rem);
  font-weight: 800;
  line-height: 1.4;
  color: var(--ink-table);
}

.page-faq .faq-section .section-note {
  max-width: 58ch;
  margin: 0;
  font-size: 0.9rem;
  line-height: 1.8;
  color: var(--muted);
}

/* ---------- 手风琴 ---------- */
.page-faq .accordion {
  border-top: 1px solid var(--inline);
}

.page-faq .acc-item {
  border-bottom: 1px solid var(--inline);
}

.page-faq .acc-heading {
  margin: 0;
  font-size: 1rem;
  font-weight: inherit;
}

.page-faq .acc-trigger {
  display: flex;
  align-items: flex-start;
  gap: 0.85rem;
  width: 100%;
  padding: 1.05rem 0;
  border: 0;
  background: none;
  text-align: left;
  cursor: pointer;
  font-family: var(--font-body);
  font-size: 0.98rem;
  font-weight: 600;
  line-height: 1.6;
  color: var(--graphite);
  transition: color 0.24s var(--ease);
}

.page-faq .acc-trigger:hover {
  color: var(--blue);
}

.page-faq .acc-trigger::after {
  content: "+";
  flex: none;
  margin-left: auto;
  padding-left: 0.75rem;
  font-family: var(--font-mono);
  font-size: 1.15rem;
  line-height: 1.4;
  color: var(--blue);
  transition: color 0.24s var(--ease);
}

.page-faq .acc-trigger[aria-expanded="true"] {
  color: var(--ink-table);
}

.page-faq .acc-trigger[aria-expanded="true"]::after {
  content: "–";
  color: var(--cinnabar);
}

.page-faq .acc-mark {
  flex: none;
  min-width: 2.8rem;
  padding-top: 0.16rem;
  font-size: 0.78rem;
  letter-spacing: 0.04em;
  color: var(--blue);
}

.page-faq .acc-panel[hidden] {
  display: none;
}

.page-faq .acc-panel-inner {
  margin: 0 0 1.2rem 1.5rem;
  padding: 0.15rem 0 0.15rem 1.3rem;
  border-left: 2px solid var(--blue-soft);
  font-size: 0.92rem;
  line-height: 1.85;
  color: var(--muted);
}

.page-faq .acc-panel-inner p {
  margin: 0 0 0.75rem;
}

.page-faq .acc-panel-inner p:last-child {
  margin-bottom: 0;
}

.page-faq .acc-panel-inner strong {
  font-weight: 700;
  color: var(--graphite);
}

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

.page-faq .acc-panel-inner a:hover {
  color: var(--cinnabar);
}

/* ---------- 字段标记 ---------- */
.page-faq .field {
  display: inline-block;
  padding: 0.08rem 0.45rem;
  border: 1px solid var(--inline);
  border-radius: 3px;
  background: var(--paper-warm);
  font-size: 0.82rem;
  letter-spacing: 0.02em;
  color: var(--graphite);
}

.page-faq .field--cinnabar {
  border-color: var(--cinnabar-soft);
  background: rgba(179, 58, 43, 0.08);
  color: var(--cinnabar);
}

.page-faq .field--blue {
  border-color: var(--blue-soft);
  background: rgba(46, 94, 126, 0.08);
  color: var(--blue);
}

.page-faq .field--gold {
  border-color: var(--gold);
  background: rgba(200, 164, 82, 0.14);
  color: var(--gold-deep);
}

/* ---------- 编号示例与复制 ---------- */
.page-faq .code-samples {
  display: grid;
  gap: 0.7rem;
  margin: 0.9rem 0;
  padding: 0.9rem 1rem;
  border: 1px solid var(--inline);
  border-radius: 6px;
  background: var(--paper-warm);
  list-style: none;
}

.page-faq .code-samples li {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.45rem 0.75rem;
}

.page-faq .code-val {
  font-size: 0.9rem;
  font-weight: 700;
  letter-spacing: 0.02em;
  color: var(--ink-table);
  overflow-wrap: anywhere;
}

.page-faq .code-label {
  margin-right: auto;
  font-size: 0.76rem;
  color: var(--muted);
}

.page-faq .copy-btn {
  flex: none;
  padding: 0.4rem 0.85rem;
  border: 1px solid var(--blue-soft);
  border-radius: 4px;
  background: transparent;
  font-family: var(--font-body);
  font-size: 0.77rem;
  font-weight: 600;
  color: var(--blue);
  cursor: pointer;
  transition: background-color 0.2s var(--ease), color 0.2s var(--ease),
    border-color 0.2s var(--ease);
}

.page-faq .copy-btn:hover {
  border-color: var(--blue);
  background: rgba(46, 94, 126, 0.1);
}

.page-faq .copy-btn.is-copied {
  border-color: var(--cinnabar);
  background: var(--cinnabar);
  color: var(--white);
}

/* ---------- 配图 ---------- */
.page-faq .faq-figure {
  margin: 1.5rem 0 0;
  border: 1px solid var(--inline);
  border-radius: 6px;
  overflow: hidden;
  background: var(--white);
}

.page-faq .faq-figure.media-frame {
  aspect-ratio: auto;
}

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

.page-faq .faq-figure figcaption {
  padding: 0.65rem 1rem;
  border-top: 1px solid var(--inline-soft);
  background: rgba(232, 223, 206, 0.5);
  font-size: 0.77rem;
  line-height: 1.7;
  color: var(--muted);
}

/* ---------- 复核三步 ---------- */
.page-faq .review-steps {
  display: grid;
  gap: 1rem;
  margin: 0;
  padding: 0;
  list-style: none;
}

@media (min-width: 760px) {
  .page-faq .review-steps {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 1.15rem;
  }
}

.page-faq .review-step {
  padding: 1.2rem 1.1rem 1.1rem;
  border: 1px solid var(--inline);
  border-top: 3px solid var(--blue);
  border-radius: 5px;
  background: var(--white);
}

.page-faq .review-step:nth-child(2) {
  border-top-color: var(--gold);
}

.page-faq .review-step:nth-child(3) {
  border-top-color: var(--cinnabar);
}

.page-faq .review-step-num {
  display: block;
  margin-bottom: 0.55rem;
  font-size: 1.35rem;
  font-weight: 700;
  line-height: 1;
  letter-spacing: 0.04em;
  color: var(--blue);
}

.page-faq .review-step:nth-child(2) .review-step-num {
  color: var(--gold-deep);
}

.page-faq .review-step:nth-child(3) .review-step-num {
  color: var(--cinnabar);
}

.page-faq .review-step h4 {
  margin: 0 0 0.5rem;
  font-family: var(--font-display);
  font-size: 1.02rem;
  font-weight: 700;
  color: var(--ink-table);
}

.page-faq .review-step p {
  margin: 0;
  font-size: 0.86rem;
  line-height: 1.8;
  color: var(--muted);
}

/* ---------- 排查清单 ---------- */
.page-faq .checklist {
  display: grid;
  gap: 0.75rem;
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-faq .check-item {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: 0.9rem;
  padding: 1rem 1.1rem;
  border: 1px solid var(--inline);
  border-radius: 5px;
  background: var(--paper-warm);
  transition: border-color 0.24s var(--ease);
}

.page-faq .check-item:hover {
  border-color: var(--cinnabar-soft);
}

.page-faq .check-index {
  padding-top: 0.16rem;
  font-size: 0.88rem;
  font-weight: 700;
  color: var(--cinnabar);
}

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

.page-faq .check-title {
  margin: 0 0 0.35rem;
  font-family: var(--font-display);
  font-size: 0.99rem;
  font-weight: 700;
  line-height: 1.5;
  color: var(--ink-table);
}

.page-faq .check-body p {
  margin: 0;
  font-size: 0.86rem;
  line-height: 1.8;
  color: var(--muted);
}

.page-faq .check-body strong {
  font-weight: 700;
  color: var(--graphite);
}

/* ---------- 底部联系引导 ---------- */
.page-faq .faq-cta {
  position: relative;
  overflow: hidden;
  padding: clamp(2rem, 5vw, 3.25rem) 0;
  background: linear-gradient(122deg, var(--ink-table) 0 52%, var(--ink-deep) 52% 100%);
  color: var(--paper);
}

.page-faq .faq-cta-inner {
  max-width: 44rem;
  position: relative;
  z-index: 1;
}

.page-faq .faq-cta h2 {
  margin: 0 0 0.75rem;
  font-family: var(--font-display);
  font-size: clamp(1.25rem, 3.4vw, 1.9rem);
  font-weight: 800;
  line-height: 1.42;
  color: var(--paper);
}

.page-faq .faq-cta p {
  margin: 0 0 1.5rem;
  font-size: 0.92rem;
  line-height: 1.85;
  color: rgba(243, 237, 225, 0.78);
}

.page-faq .faq-cta .faq-hero-actions {
  margin-bottom: 0;
}

/* ---------- 窄屏收敛 ---------- */
@media (max-width: 560px) {
  .page-faq .acc-panel-inner {
    margin-left: 0.55rem;
    padding-left: 1rem;
    font-size: 0.89rem;
  }

  .page-faq .acc-mark {
    min-width: 2.1rem;
  }

  .page-faq .acc-trigger {
    gap: 0.6rem;
    font-size: 0.94rem;
  }

  .page-faq .code-samples {
    padding: 0.8rem 0.85rem;
  }

  .page-faq .code-label {
    width: 100%;
    margin-right: 0;
  }

  .page-faq .check-item {
    padding: 0.9rem 0.9rem;
    gap: 0.7rem;
  }

  .page-faq .faq-hero-facts {
    gap: 0.4rem 1.1rem;
    font-size: 0.76rem;
  }
}

/* ---------- 动效 ---------- */
@media (prefers-reduced-motion: reduce) {
  .page-faq .btn,
  .page-faq .copy-btn,
  .page-faq .acc-trigger,
  .page-faq .acc-trigger::after,
  .page-faq .faq-index-list a,
  .page-faq .check-item {
    transition-duration: 0.01ms;
  }

  .page-faq .btn--cinnabar:hover {
    transform: none;
  }
}