.page-faq {
  --faq-rail: 272px;
  --faq-line: rgba(16, 27, 34, 0.12);
  --faq-soft: rgba(11, 42, 61, 0.05);
  --theme-accent: var(--gold);
  display: block;
}

/* ---------- 首屏 ---------- */
.page-faq .faq-hero {
  position: relative;
  overflow: hidden;
  padding: 22px 0 34px;
  border-radius: 0 0 var(--radius-lg) var(--radius-lg);
  color: var(--paper-up);
  background:
    radial-gradient(120% 140% at 86% -12%, rgba(217, 162, 49, 0.28), transparent 58%),
    radial-gradient(80% 100% at 6% 120%, rgba(62, 156, 125, 0.16), transparent 62%),
    linear-gradient(158deg, var(--deep), var(--deep-2));
}

.page-faq .faq-hero .crumbs {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin: 0 0 16px;
  padding: 0;
  list-style: none;
  font-size: 12.5px;
  color: rgba(244, 237, 225, 0.6);
}

.page-faq .faq-hero .crumbs li + li::before {
  content: "/";
  margin-right: 6px;
  color: rgba(244, 237, 225, 0.34);
}

.page-faq .faq-hero .crumbs a {
  color: rgba(244, 237, 225, 0.86);
  text-decoration: none;
}

.page-faq .faq-hero .crumbs a:hover {
  color: var(--gold);
  text-decoration: underline;
}

.page-faq .faq-hero .eyebrow {
  color: var(--gold);
}

.page-faq .faq-hero h1 {
  max-width: 22em;
  margin: 10px 0 12px;
  font-family: var(--font-display);
  font-weight: 900;
  letter-spacing: -0.022em;
  font-size: clamp(1.55rem, 5.4vw, 2.4rem);
  line-height: 1.26;
  color: var(--paper-up);
}

.page-faq .faq-hero__lead {
  max-width: 40em;
  margin: 0;
  font-family: var(--font-serif);
  font-size: 15.5px;
  line-height: 1.85;
  color: rgba(244, 237, 225, 0.84);
}

.page-faq .faq-hero__meta {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 20px 0 0;
  padding: 0;
  list-style: none;
}

.page-faq .faq-hero__meta li {
  padding: 5px 12px;
  border: 1px solid rgba(217, 162, 49, 0.42);
  border-radius: var(--radius-pill);
  font-size: 12px;
  letter-spacing: 0.03em;
  color: var(--gold);
}

/* ---------- 骨架 ---------- */
.page-faq .faq-shell {
  display: grid;
  grid-template-columns: 1fr;
  gap: 20px;
  min-width: 0;
  padding-top: 24px;
  padding-bottom: 72px;
}

/* ---------- 左侧问题索引 ---------- */
.page-faq .faq-index {
  min-width: 0;
  padding: 14px 14px 6px;
  border: 1px solid var(--faq-line);
  border-radius: var(--radius-md);
  background: var(--paper-up);
  box-shadow: 0 16px 34px -28px rgba(11, 42, 61, 0.6);
}

.page-faq .faq-index__title {
  margin: 0 0 8px;
  font-size: 11.5px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--mist);
}

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

.page-faq .faq-group:first-of-type {
  border-top: 0;
}

.page-faq .faq-group > summary {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  padding: 11px 2px;
  list-style: none;
  cursor: pointer;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 13.5px;
  letter-spacing: 0.02em;
  color: var(--deep);
}

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

.page-faq .faq-group > summary::after {
  content: "";
  flex: none;
  width: 7px;
  height: 7px;
  border-right: 2px solid var(--gold);
  border-bottom: 2px solid var(--gold);
  transform: rotate(45deg);
  transition: transform 200ms var(--ease);
}

.page-faq .faq-group[open] > summary::after {
  transform: rotate(-135deg);
}

.page-faq .faq-index__list {
  margin: 0;
  padding: 0 0 8px;
  list-style: none;
}

.page-faq .faq-index a {
  display: flex;
  align-items: baseline;
  gap: 10px;
  padding: 8px 10px;
  border-left: 2px solid transparent;
  border-radius: var(--radius-sm);
  font-size: 13.5px;
  line-height: 1.55;
  color: var(--ink);
  text-decoration: none;
  transition: background 160ms var(--ease), border-color 160ms var(--ease), color 160ms var(--ease);
}

.page-faq .faq-index a:hover,
.page-faq .faq-index a:focus-visible {
  background: rgba(217, 162, 49, 0.14);
  border-left-color: var(--gold);
  color: var(--deep);
}

.page-faq .faq-idx-no {
  flex: none;
  font-size: 11.5px;
  color: var(--gold-deep);
}

/* ---------- 右侧答案面板 ---------- */
.page-faq .faq-panel {
  display: grid;
  gap: 18px;
  min-width: 0;
}

.page-faq .qa-block {
  min-width: 0;
  padding: 20px 16px 22px;
  border: 1px solid var(--faq-line);
  border-radius: var(--radius-lg);
  background: var(--paper-up);
  scroll-margin-top: 96px;
  transition: border-color 200ms var(--ease), box-shadow 200ms var(--ease);
}

.page-faq .qa-block:target {
  border-color: rgba(217, 162, 49, 0.6);
  box-shadow: 0 0 0 3px rgba(217, 162, 49, 0.16);
}

.page-faq #steps { --theme-accent: var(--gold); }
.page-faq #codes { --theme-accent: var(--coral); }
.page-faq #subscribe { --theme-accent: var(--mint); }
.page-faq #mobile { --theme-accent: var(--mist); }
.page-faq #archive { --theme-accent: var(--gold-deep); }
.page-faq #contact { --theme-accent: var(--deep-2); }

.page-faq .qa-block__bar {
  display: block;
  width: 54px;
  height: 4px;
  margin-bottom: 14px;
  border-radius: var(--radius-pill);
  background: var(--theme-accent);
}

.page-faq .qa-block h2 {
  margin: 6px 0 10px;
  font-family: var(--font-display);
  font-weight: 900;
  letter-spacing: -0.018em;
  font-size: clamp(1.2rem, 4.4vw, 1.5rem);
  line-height: 1.35;
  color: var(--deep);
}

.page-faq .qa-block .serif-lead {
  margin: 0;
  font-family: var(--font-serif);
  font-size: 14.8px;
  line-height: 1.85;
  color: var(--deep-2);
}

/* ---------- 五步清单 ---------- */
.page-faq .step-list {
  display: grid;
  gap: 10px;
  margin: 18px 0 0;
  padding: 0;
  list-style: none;
}

.page-faq .step-list > li {
  display: grid;
  grid-template-columns: 40px minmax(0, 1fr);
  gap: 12px;
  padding: 14px 14px 15px;
  border: 1px solid var(--faq-line);
  border-radius: var(--radius-md);
  background: var(--faq-soft);
}

.page-faq .step-no {
  display: grid;
  place-items: center;
  height: 30px;
  border-radius: var(--radius-sm);
  background: var(--deep);
  color: var(--gold);
  font-family: var(--font-mono);
  font-size: 12.5px;
  letter-spacing: 0.06em;
}

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

.page-faq .step-body h3 {
  margin: 2px 0 6px;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 15.5px;
  line-height: 1.5;
  color: var(--deep);
}

.page-faq .step-body p {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.8;
  color: var(--deep-2);
}

.page-faq .pitfall {
  margin-top: 10px !important;
  padding-left: 12px;
  border-left: 3px solid var(--coral);
  font-size: 13.5px !important;
  line-height: 1.75;
  color: var(--deep-2);
}

.page-faq .pitfall__label {
  display: inline-block;
  margin-right: 8px;
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: 0.06em;
  color: var(--coral);
}

/* ---------- 问答条目 ---------- */
.page-faq .qa-list {
  margin-top: 14px;
}

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

.page-faq .qa-item:first-child {
  border-top: 0;
}

.page-faq .qa-item > summary {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr) auto;
  gap: 10px;
  align-items: start;
  padding: 13px 2px;
  list-style: none;
  cursor: pointer;
  border-radius: var(--radius-sm);
  transition: color 160ms var(--ease);
}

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

.page-faq .qa-item > summary::after {
  content: "";
  justify-self: end;
  width: 7px;
  height: 7px;
  margin-top: 7px;
  border-right: 2px solid var(--mist);
  border-bottom: 2px solid var(--mist);
  transform: rotate(45deg);
  transition: transform 200ms var(--ease), border-color 200ms var(--ease);
}

.page-faq .qa-item[open] > summary::after {
  transform: rotate(-135deg);
  border-color: var(--gold);
}

.page-faq .qa-item > summary:hover .qa-q,
.page-faq .qa-item > summary:focus-visible .qa-q {
  color: var(--gold-deep);
}

.page-faq .qa-mark {
  flex: none;
  margin-top: 2px;
  padding: 2px 7px;
  border-radius: 6px;
  background: rgba(217, 162, 49, 0.18);
  color: var(--gold-deep);
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: 0.04em;
}

.page-faq .qa-q {
  min-width: 0;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 15px;
  line-height: 1.6;
  color: var(--deep);
  transition: color 160ms var(--ease);
}

.page-faq .qa-body {
  padding: 0 2px 16px 0;
  animation: faq-panel-fade 200ms var(--ease);
}

.page-faq .qa-body p {
  margin: 0 0 8px;
  font-size: 14.3px;
  line-height: 1.85;
  color: var(--deep-2);
}

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

@keyframes faq-panel-fade {
  from { opacity: 0; transform: translateY(4px); }
  to { opacity: 1; transform: translateY(0); }
}

/* ---------- 配图 ---------- */
.page-faq .qa-block figure {
  margin: 20px 0 0;
}

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

.page-faq .qa-block figcaption {
  margin-top: 10px;
  font-family: var(--font-serif);
  font-size: 13px;
  line-height: 1.75;
  color: var(--mist);
}

/* ---------- 下一步去哪 ---------- */
.page-faq .next-links {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 18px;
  padding-top: 16px;
  border-top: 1px dashed var(--faq-line);
}

.page-faq .next-pill {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  max-width: 100%;
  padding: 9px 16px;
  border-radius: var(--radius-pill);
  background: var(--deep);
  color: var(--paper-up);
  font-size: 13.5px;
  font-weight: 700;
  text-decoration: none;
  transition: background 180ms var(--ease);
}

.page-faq .next-pill::after {
  content: "→";
  font-family: var(--font-mono);
  font-size: 13px;
  color: var(--gold);
  transition: transform 180ms var(--ease);
}

.page-faq .next-pill__target {
  max-width: 0;
  overflow: hidden;
  opacity: 0;
  white-space: nowrap;
  font-weight: 400;
  font-size: 12.5px;
  color: rgba(244, 237, 225, 0.72);
  transition: max-width 220ms var(--ease), opacity 220ms var(--ease);
}

@media (hover: hover) {
  .page-faq .next-pill:hover {
    background: var(--deep-2);
  }
  .page-faq .next-pill:hover::after {
    transform: translateX(3px);
  }
  .page-faq .next-pill:hover .next-pill__target,
  .page-faq .next-pill:focus-visible .next-pill__target {
    max-width: 12em;
    opacity: 1;
  }
}

/* ---------- 收尾 ---------- */
.page-faq .faq-tail {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 22px 18px;
  border-radius: var(--radius-lg);
  color: var(--paper-up);
  background:
    radial-gradient(120% 160% at 92% -20%, rgba(217, 162, 49, 0.3), transparent 58%),
    linear-gradient(150deg, var(--deep), var(--deep-2));
}

.page-faq .faq-tail__text {
  flex: 1 1 16em;
  margin: 0;
  font-family: var(--font-serif);
  font-size: 14.5px;
  line-height: 1.85;
  color: rgba(244, 237, 225, 0.86);
}

/* ---------- 响应式 ---------- */
@media (min-width: 900px) {
  .page-faq .faq-shell {
    grid-template-columns: var(--faq-rail) minmax(0, 1fr);
    gap: 36px;
    padding-top: 34px;
  }

  .page-faq .faq-index {
    position: sticky;
    top: 96px;
    align-self: start;
    max-height: calc(100vh - 132px);
    overflow: auto;
    padding: 18px 16px 8px;
  }

  .page-faq .qa-block {
    padding: 26px 28px 28px;
  }

  .page-faq .faq-hero {
    padding: 28px 0 44px;
  }

  .page-faq .step-list > li {
    grid-template-columns: 44px minmax(0, 1fr);
    gap: 16px;
    padding: 16px 18px 18px;
  }

  .page-faq .qa-item > summary {
    padding: 15px 2px;
  }

  .page-faq .qa-body {
    padding-bottom: 18px;
  }
}

@media (min-width: 1180px) {
  .page-faq .qa-block {
    padding: 30px 34px 32px;
  }

  .page-faq .faq-tail {
    padding: 26px 30px;
  }
}

@media (max-width: 420px) {
  .page-faq .step-list > li {
    grid-template-columns: 1fr;
    gap: 10px;
  }

  .page-faq .step-no {
    width: 40px;
    justify-self: start;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-faq *,
  .page-faq *::before,
  .page-faq *::after {
    animation-duration: 0.01ms !important;
    transition-duration: 0.01ms !important;
  }
}