.page-faq {
  --faq-cut: 20px;
  background: var(--paper);
}

/* 面包屑留白 */
.page-faq .breadcrumb {
  padding-top: 1.1rem;
}

/* ---------- 首屏 ---------- */
.page-faq .faq-hero {
  position: relative;
  overflow: hidden;
  padding: clamp(1.15rem, 3vw, 2rem) 0 clamp(2rem, 5vw, 3.5rem);
  border-bottom: 1px solid var(--grey);
  background:
    radial-gradient(92% 120% at 104% -12%, rgba(217, 164, 65, 0.22), rgba(217, 164, 65, 0) 62%),
    linear-gradient(176deg, var(--white) 0%, var(--paper) 74%);
}

.page-faq .faq-hero::after {
  content: "";
  position: absolute;
  right: -12%;
  top: 12%;
  width: min(420px, 58vw);
  aspect-ratio: 1;
  border: 1px solid rgba(200, 16, 46, 0.18);
  border-radius: 50%;
  pointer-events: none;
}

.page-faq .faq-hero__grid {
  position: relative;
  display: grid;
  gap: 1.75rem;
  min-width: 0;
}

.page-faq .faq-kicker {
  display: inline-flex;
  align-items: center;
  gap: 0.55rem;
  margin: 0 0 1rem;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.18em;
  color: var(--red);
}

.page-faq .faq-kicker span {
  padding: 0.22rem 0.55rem;
  background: var(--red);
  color: var(--white);
  letter-spacing: 0.12em;
}

.page-faq .faq-hero h1 {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(1.85rem, 6.2vw, 3.4rem);
  line-height: 1.08;
  letter-spacing: -0.01em;
  color: var(--ink);
}

.page-faq .faq-hero__lede {
  margin: 1rem 0 0;
  max-width: 34rem;
  font-size: clamp(0.94rem, 1.6vw, 1.02rem);
  line-height: 1.78;
  color: var(--muted-ink);
}

.page-faq .faq-hero__actions {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.65rem;
  margin-top: 1.35rem;
}

.page-faq .faq-hero__facts {
  display: flex;
  flex-wrap: wrap;
  gap: 0.6rem 1.5rem;
  margin: 1.6rem 0 0;
  padding: 1rem 0 0;
  border-top: 1px solid var(--grey);
  list-style: none;
  font-size: 0.83rem;
  color: var(--muted-ink);
}

.page-faq .faq-hero__facts li {
  display: flex;
  align-items: baseline;
  gap: 0.34rem;
}

.page-faq .faq-hero__num {
  font-family: var(--font-mono);
  font-size: 1.4rem;
  font-weight: 600;
  line-height: 1;
  color: var(--ink);
}

/* ---------- 图形框 ---------- */
.page-faq .faq-figure {
  margin: 0;
  min-width: 0;
}

.page-faq .faq-figure__frame {
  position: relative;
  overflow: hidden;
  background: var(--ink);
  border-left: 4px solid var(--red);
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - 26px), calc(100% - 26px) 100%, 0 100%);
}

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

.page-faq .faq-figure figcaption {
  margin-top: 0.65rem;
  padding-left: 0.6rem;
  border-left: 2px solid var(--gold);
  font-size: 0.78rem;
  line-height: 1.6;
  letter-spacing: 0.02em;
  color: var(--muted);
}

/* ---------- 双栏骨架 ---------- */
.page-faq .faq-shell {
  display: grid;
  gap: 1.75rem;
  padding-block: clamp(1.75rem, 4vw, 3rem) clamp(2.5rem, 5vw, 4rem);
  min-width: 0;
}

.page-faq .faq-rail {
  border-top: 2px solid var(--ink);
  padding-top: 0.9rem;
  min-width: 0;
}

.page-faq .faq-rail__cap {
  margin: 0 0 0.8rem;
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.2em;
  color: var(--gold);
}

.page-faq .faq-rail__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 0.15rem;
}

.page-faq .faq-rail__list a {
  display: flex;
  align-items: baseline;
  gap: 0.6rem;
  padding: 0.5rem 0.35rem 0.5rem 0.6rem;
  border-left: 2px solid transparent;
  font-size: 0.9rem;
  color: var(--ink);
  text-decoration: none;
  transition: border-color 0.2s var(--ease), background 0.2s var(--ease), color 0.2s var(--ease);
}

.page-faq .faq-rail__list a span {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  color: var(--gold);
}

.page-faq .faq-rail__list a:hover,
.page-faq .faq-rail__list a:focus-visible {
  border-left-color: var(--red);
  background: var(--white);
  color: var(--red);
}

@media (max-width: 959px) {
  .page-faq .faq-rail__list {
    display: flex;
    flex-wrap: wrap;
    gap: 0.4rem;
  }
  .page-faq .faq-rail__list a {
    padding: 0.42rem 0.68rem;
    border: 1px solid var(--grey);
    border-left-width: 2px;
    background: var(--white);
    font-size: 0.82rem;
  }
}

.page-faq .faq-flow {
  display: grid;
  gap: clamp(2rem, 4.5vw, 3.25rem);
  min-width: 0;
}

.page-faq .faq-section {
  min-width: 0;
  scroll-margin-top: 5rem;
}

.page-faq .faq-section__num {
  margin: 0 0 0.5rem;
  font-family: var(--font-mono);
  font-size: 0.76rem;
  letter-spacing: 0.2em;
  color: var(--red);
}

.page-faq .faq-section h2 {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(1.4rem, 3.6vw, 2rem);
  line-height: 1.2;
  color: var(--ink);
}

.page-faq .faq-section h2::after {
  content: "";
  display: block;
  width: 3rem;
  height: 3px;
  margin-top: 0.7rem;
  background: linear-gradient(90deg, var(--red), var(--gold));
}

.page-faq .faq-section p {
  margin: 1rem 0 0;
  max-width: 42rem;
  font-size: 0.92rem;
  line-height: 1.78;
  color: var(--muted-ink);
}

.page-faq .faq-section p a {
  color: var(--red);
  text-decoration: underline;
  text-underline-offset: 3px;
}

/* ---------- 步骤列表 ---------- */
.page-faq .faq-steps {
  list-style: none;
  counter-reset: faqstep;
  margin: 1.4rem 0 0;
  padding: 0;
  display: grid;
  gap: 0.7rem;
}

.page-faq .faq-steps li {
  position: relative;
  padding: 0.85rem 1rem 0.9rem 2.9rem;
  background: var(--white);
  border-left: 3px solid var(--gold);
}

.page-faq .faq-steps li::before {
  counter-increment: faqstep;
  content: counter(faqstep, decimal-leading-zero);
  position: absolute;
  left: 0.9rem;
  top: 0.92rem;
  font-family: var(--font-mono);
  font-size: 0.76rem;
  color: var(--red);
}

.page-faq .faq-steps strong {
  display: block;
  font-size: 0.94rem;
  font-weight: 700;
  color: var(--ink);
}

.page-faq .faq-steps span {
  display: block;
  margin-top: 0.22rem;
  font-size: 0.87rem;
  line-height: 1.68;
  color: var(--muted-ink);
}

/* ---------- 提示条 ---------- */
.page-faq .faq-callout {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.85rem;
  margin-top: 1.4rem;
  padding: 1rem 1.1rem;
  border-left: 3px solid var(--red);
  background: linear-gradient(100deg, rgba(200, 16, 46, 0.08), rgba(217, 164, 65, 0.16));
}

.page-faq .faq-callout p {
  flex: 1 1 15rem;
  margin: 0;
  font-size: 0.88rem;
  color: var(--ink);
}

/* ---------- 路径卡 ---------- */
.page-faq .faq-paths {
  display: grid;
  gap: 0.85rem;
  margin-top: 1.4rem;
}

.page-faq .faq-path {
  position: relative;
  min-width: 0;
  padding: 1.05rem 1.1rem 1.3rem;
  background: var(--white);
  border: 1px solid var(--grey);
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - 18px), calc(100% - 18px) 100%, 0 100%);
}

.page-faq .faq-path__num {
  display: block;
  font-family: var(--font-mono);
  font-size: 1.5rem;
  line-height: 1;
  color: var(--gold);
}

.page-faq .faq-path h3 {
  margin: 0.5rem 0 0.3rem;
  font-size: 0.98rem;
  font-weight: 700;
  color: var(--ink);
}

.page-faq .faq-path p {
  margin: 0;
  font-size: 0.86rem;
  line-height: 1.68;
}

.page-faq .faq-path p a {
  color: var(--red);
  text-decoration: underline;
  text-underline-offset: 3px;
}

/* ---------- 双卡片 ---------- */
.page-faq .faq-pair {
  display: grid;
  gap: 0.85rem;
  margin-top: 1.35rem;
}

.page-faq .faq-card {
  min-width: 0;
  padding: 1.1rem 1.15rem 1.2rem;
  background: var(--white);
  border-top: 3px solid var(--ink);
}

.page-faq .faq-card--desk {
  border-top-color: var(--red);
}

.page-faq .faq-card--mobile {
  border-top-color: var(--gold);
}

.page-faq .faq-card h3 {
  margin: 0 0 0.5rem;
  font-family: var(--font-mono);
  font-size: 0.78rem;
  letter-spacing: 0.16em;
  color: var(--ink);
}

.page-faq .faq-card ul {
  margin: 0;
  padding-left: 1.05rem;
  font-size: 0.87rem;
  line-height: 1.75;
  color: var(--muted-ink);
}

.page-faq .faq-card li + li {
  margin-top: 0.2rem;
}

/* ---------- 问答 ---------- */
.page-faq .faq-qa-group {
  margin-top: 1.7rem;
}

.page-faq .faq-qa-group h3 {
  margin: 0 0 0.3rem;
  padding-bottom: 0.5rem;
  border-bottom: 2px solid var(--gold-light);
  font-family: var(--font-mono);
  font-size: 0.74rem;
  font-weight: 600;
  letter-spacing: 0.18em;
  color: var(--ink);
}

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

.page-faq .faq-item summary {
  display: flex;
  align-items: flex-start;
  gap: 0.7rem;
  padding: 0.9rem 0.2rem 0.9rem 0;
  cursor: pointer;
  list-style: none;
  font-size: 0.94rem;
  font-weight: 700;
  line-height: 1.55;
  color: var(--ink);
  transition: color 0.18s var(--ease);
}

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

.page-faq .faq-item summary::after {
  content: "+";
  margin-left: auto;
  flex: none;
  font-family: var(--font-mono);
  font-size: 1.1rem;
  line-height: 1;
  color: var(--red);
  transform: translateY(0.12em);
}

.page-faq .faq-item[open] summary::after {
  content: "–";
}

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

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

.page-faq .faq-answer {
  margin: 0 0 1rem;
  padding: 0.1rem 0 0.1rem 0.9rem;
  border-left: 2px solid var(--grey);
  max-width: 46rem;
  font-size: 0.89rem;
  line-height: 1.78;
  color: var(--muted-ink);
}

.page-faq .faq-item[open] .faq-answer {
  animation: faq-answer-in 0.22s var(--ease) both;
}

@keyframes faq-answer-in {
  from {
    opacity: 0;
    transform: translateY(-0.3rem);
  }
  to {
    opacity: 1;
    transform: none;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-faq .faq-item[open] .faq-answer {
    animation: none;
  }
}

/* ---------- 深色反馈面板 ---------- */
.page-faq .faq-section--support {
  padding: clamp(1.4rem, 3.4vw, 2.2rem);
  background:
    radial-gradient(120% 130% at 100% 0%, rgba(200, 16, 46, 0.32), rgba(200, 16, 46, 0) 58%),
    var(--ink);
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - 28px), calc(100% - 28px) 100%, 0 100%);
}

.page-faq .faq-section--support .faq-section__num {
  color: var(--gold);
}

.page-faq .faq-section--support h2 {
  color: var(--paper);
}

.page-faq .faq-section--support h2::after {
  background: linear-gradient(90deg, var(--gold), var(--red));
}

.page-faq .faq-section--support p {
  color: rgba(247, 241, 230, 0.78);
}

.page-faq .faq-prepare {
  list-style: none;
  margin: 1.3rem 0 0;
  padding: 0;
  display: grid;
  gap: 0.5rem;
}

.page-faq .faq-prepare li {
  padding: 0.8rem 0.9rem;
  background: rgba(255, 255, 255, 0.07);
  border-top: 2px solid var(--gold);
  font-size: 0.87rem;
  line-height: 1.5;
  color: var(--paper);
}

.page-faq .faq-prepare span {
  display: block;
  margin-bottom: 0.22rem;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  color: var(--gold);
}

.page-faq .faq-support__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.65rem;
  margin-top: 1.5rem;
}

.page-faq .faq-support__note {
  margin-top: 1.2rem;
  padding-top: 0.9rem;
  border-top: 1px solid rgba(247, 241, 230, 0.22);
  max-width: 44rem;
  font-size: 0.79rem;
  line-height: 1.7;
  color: rgba(247, 241, 230, 0.66);
}

.page-faq .faq-support__note a {
  color: var(--gold-light);
  text-decoration: underline;
  text-underline-offset: 3px;
}

/* ---------- 桌面栅格 ---------- */
@media (min-width: 700px) {
  .page-faq .faq-paths {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
  .page-faq .faq-pair {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
  .page-faq .faq-prepare {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

@media (min-width: 900px) {
  .page-faq .faq-hero__grid {
    grid-template-columns: minmax(0, 1.02fr) minmax(0, 0.98fr);
    gap: clamp(2rem, 4vw, 3.5rem);
    align-items: center;
  }
}

@media (min-width: 960px) {
  .page-faq .faq-shell {
    grid-template-columns: 208px minmax(0, 1fr);
    gap: clamp(2rem, 4vw, 3.25rem);
    align-items: start;
  }
  .page-faq .faq-rail {
    position: sticky;
    top: 1.5rem;
  }
}
</