.page-faq {
  --faq-tint-a: rgba(12, 44, 46, 0.72);
  --faq-tint-b: rgba(26, 23, 64, 0.78);
  --faq-tint-c: rgba(59, 18, 32, 0.62);
  --faq-line-soft: rgba(38, 54, 92, 0.85);
  --faq-card-bg: rgba(7, 14, 34, 0.55);
  background: var(--ink);
  color: var(--paper);
  overflow-x: clip;
  padding-bottom: clamp(2rem, 6vw, 4rem);
}

.page-faq a {
  color: var(--gold);
  text-decoration: none;
}

.page-faq a:hover {
  color: var(--amber);
}

.page-faq .breadcrumb {
  padding: 1.1rem 0 0;
  font-size: var(--fs-12);
  letter-spacing: 0.08em;
  color: var(--mist);
  display: flex;
  flex-wrap: wrap;
  gap: 0.45rem;
  align-items: center;
}

.page-faq .breadcrumb span[aria-current="page"] {
  color: var(--paper);
}

/* ---------- 首屏 ---------- */
.page-faq .faq-hero {
  position: relative;
  margin-top: 1rem;
  padding: clamp(2rem, 7vw, 4rem) 0 clamp(1.75rem, 6vw, 3.25rem);
  background:
    radial-gradient(120% 90% at 8% 0%, rgba(26, 23, 64, 0.95) 0%, rgba(10, 20, 48, 0) 62%),
    radial-gradient(90% 80% at 96% 12%, rgba(12, 44, 46, 0.9) 0%, rgba(10, 20, 48, 0) 70%),
    var(--ink-deep);
  border-top: 1px solid var(--steel);
  border-bottom: 1px solid var(--steel);
}

.page-faq .faq-hero::after {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background-image: repeating-linear-gradient(
    0deg,
    rgba(168, 182, 206, 0.045) 0,
    rgba(168, 182, 206, 0.045) 1px,
    transparent 1px,
    transparent 3px
  );
  opacity: 0.6;
}

.page-faq .faq-hero-grid {
  position: relative;
  z-index: 1;
  display: grid;
  gap: 1.75rem;
}

.page-faq .eyebrow {
  color: var(--gold);
  font-size: var(--fs-12);
  letter-spacing: 0.18em;
  margin: 0 0 0.9rem;
}

.page-faq .faq-hero-copy h1 {
  margin: 0;
  font-size: clamp(1.5rem, 6.4vw, var(--fs-46));
  line-height: 1.22;
  letter-spacing: -0.02em;
  font-weight: 900;
  max-width: 20em;
  text-wrap: balance;
}

.page-faq .lede {
  margin: 1.1rem 0 0;
  color: var(--mist);
  font-size: var(--fs-16);
  line-height: 1.85;
  max-width: 640px;
}

.page-faq .faq-hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.6rem;
  margin-top: 1.5rem;
}

.page-faq .faq-hero-panel {
  border: 1px solid var(--steel);
  border-top: 2px solid var(--gold);
  border-radius: var(--radius);
  background: rgba(10, 20, 48, 0.72);
  padding: 1.15rem 1.1rem;
  box-shadow: var(--shadow-lift);
}

.page-faq .faq-panel-title {
  margin: 0 0 0.85rem;
  font-size: var(--fs-12);
  letter-spacing: 0.16em;
  color: var(--mist);
}

.page-faq .faq-panel-list {
  margin: 0;
  display: grid;
  gap: 0.7rem;
}

.page-faq .faq-panel-row {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 0.75rem;
  padding-bottom: 0.65rem;
  border-bottom: 1px dashed var(--faq-line-soft);
}

.page-faq .faq-panel-row:last-child {
  border-bottom: 0;
  padding-bottom: 0;
}

.page-faq .faq-panel-row dt {
  font-size: var(--fs-14);
  color: var(--mist);
}

.page-faq .faq-panel-row dd {
  margin: 0;
  font-size: var(--fs-14);
  color: var(--paper);
  text-align: right;
}

.page-faq .faq-panel-row .num {
  color: var(--gold);
  font-size: var(--fs-20);
  font-weight: 700;
}

/* ---------- 章节通用 ---------- */
.page-faq .section {
  padding: clamp(2.25rem, 7vw, 4rem) 0 0;
}

.page-faq .faq-sec-head {
  display: grid;
  gap: 0.55rem;
  margin-bottom: 1.6rem;
  max-width: 760px;
}

.page-faq .faq-sec-num {
  font-size: var(--fs-14);
  letter-spacing: 0.2em;
  color: var(--gold);
}

.page-faq .faq-sec-head h2,
.page-faq .faq-help-copy h2 {
  margin: 0;
  font-size: clamp(1.3rem, 5vw, var(--fs-34));
  line-height: 1.28;
  letter-spacing: -0.02em;
  font-weight: 900;
}

.page-faq .faq-sec-desc {
  margin: 0;
  color: var(--mist);
  font-size: var(--fs-14);
  line-height: 1.85;
  max-width: 640px;
}

.page-faq .faq-breathe {
  height: clamp(2.5rem, 9vw, 5.5rem);
}

/* ---------- 分类入口 ---------- */
.page-faq .cat-row {
  list-style: none;
  margin: 0;
  padding: 0 0 0.9rem;
  display: flex;
  gap: 0.75rem;
  overflow-x: auto;
  scroll-snap-type: x mandatory;
  -webkit-overflow-scrolling: touch;
}

.page-faq .cat-row > li {
  flex: 0 0 78%;
  scroll-snap-align: start;
}

.page-faq .cat-row > li:nth-child(1) { --card-tint: var(--faq-tint-a); }
.page-faq .cat-row > li:nth-child(2) { --card-tint: var(--faq-tint-b); }
.page-faq .cat-row > li:nth-child(3) { --card-tint: var(--faq-tint-c); }
.page-faq .cat-row > li:nth-child(4) { --card-tint: var(--faq-tint-a); }
.page-faq .cat-row > li:nth-child(5) { --card-tint: var(--faq-tint-b); }

.page-faq .cat-card {
  position: relative;
  display: grid;
  gap: 0.4rem;
  align-content: start;
  min-height: 136px;
  padding: 1.2rem 3.2rem 1.25rem 1rem;
  border: 1px solid var(--steel);
  border-left: 2px solid var(--gold-line);
  border-radius: var(--radius);
  background: linear-gradient(168deg, var(--card-tint), rgba(10, 20, 48, 0.82));
  color: var(--paper);
  transition: border-color var(--dur) var(--ease), transform var(--dur) var(--ease), box-shadow var(--dur) var(--ease);
}

.page-faq .cat-card:hover,
.page-faq .cat-card:focus-visible {
  border-color: var(--gold);
  color: var(--paper);
  transform: translateY(-3px);
  box-shadow: var(--shadow-lift);
}

.page-faq .cat-name {
  font-size: var(--fs-20);
  font-weight: 900;
  letter-spacing: -0.01em;
}

.page-faq .cat-desc {
  font-size: var(--fs-12);
  line-height: 1.7;
  color: var(--mist);
}

.page-faq .cat-count {
  position: absolute;
  top: 1rem;
  right: 1rem;
  font-size: var(--fs-20);
  color: var(--gold);
  line-height: 1;
}

.page-faq .cat-count::after {
  content: " 条";
  font-size: var(--fs-12);
  color: var(--mist);
  letter-spacing: 0.05em;
}

/* ---------- 十条问答 ---------- */
.page-faq .faq-top-grid {
  display: grid;
  gap: 1.5rem;
}

.page-faq .faq-figure {
  margin: 0;
  border: 1px solid var(--steel);
  border-radius: var(--radius);
  overflow: hidden;
  background: var(--ink-deep);
}

.page-faq .faq-figure img {
  display: block;
  width: 100%;
  height: auto;
  max-width: 100%;
  object-fit: cover;
  filter: saturate(0.92) contrast(1.02);
}

.page-faq .faq-figure figcaption {
  padding: 0.75rem 0.9rem 0.85rem;
  font-size: var(--fs-12);
  line-height: 1.7;
  color: var(--mist);
  border-top: 1px solid var(--faq-line-soft);
}

.page-faq .faq-group {
  margin-bottom: 1.9rem;
  scroll-margin-top: 1.5rem;
}

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

.page-faq .faq-group h3 {
  margin: 0 0 0.35rem;
  font-size: var(--fs-14);
  letter-spacing: 0.2em;
  color: var(--gold);
  font-weight: 700;
}

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

.page-faq .faq-group .faq-item:last-of-type {
  border-bottom: 1px solid var(--faq-line-soft);
}

.page-faq .faq-item::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.35rem;
  bottom: 0.35rem;
  width: 2px;
  background: linear-gradient(180deg, var(--gold), rgba(216, 169, 75, 0));
  transform: scaleY(0);
  transform-origin: top center;
  transition: transform var(--dur) var(--ease);
}

.page-faq .faq-item[open]::before {
  transform: scaleY(1);
}

.page-faq .faq-q {
  list-style: none;
  cursor: pointer;
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 0.9rem;
  padding: 0.9rem 0 0.9rem 0.95rem;
  font-size: var(--fs-16);
  font-weight: 700;
  line-height: 1.55;
  color: var(--paper);
  transition: color var(--dur) var(--ease);
}

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

.page-faq .faq-q::after {
  content: "+";
  flex: none;
  font-family: var(--font-mono);
  font-size: var(--fs-20);
  line-height: 1.2;
  color: var(--gold);
  transition: transform var(--dur) var(--ease);
}

.page-faq .faq-item[open] .faq-q {
  color: var(--gold);
}

.page-faq .faq-item[open] .faq-q::after {
  transform: rotate(45deg);
}

.page-faq .faq-q:focus-visible {
  outline: 1px solid var(--jade);
  outline-offset: 2px;
}

.page-faq .faq-answer {
  padding: 0 0 1.1rem 0.95rem;
  color: var(--mist);
  font-size: var(--fs-14);
  line-height: 1.85;
  max-width: 640px;
}

.page-faq .faq-answer p {
  margin: 0 0 0.6rem;
}

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

/* ---------- 检索速查 ---------- */
.page-faq .reason-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 0.8rem;
}

.page-faq .reason-card {
  position: relative;
  padding: 1.1rem 1rem 1.15rem 3.4rem;
  border: 1px solid var(--steel);
  border-radius: var(--radius);
  background: linear-gradient(160deg, rgba(26, 23, 64, 0.6), rgba(10, 20, 48, 0.7));
}

.page-faq .reason-num {
  position: absolute;
  left: 0.95rem;
  top: 0.95rem;
  font-size: var(--fs-20);
  color: var(--gold);
  line-height: 1;
}

.page-faq .reason-card h3 {
  margin: 0 0 0.4rem;
  font-size: var(--fs-16);
  font-weight: 700;
  letter-spacing: -0.01em;
}

.page-faq .reason-card p {
  margin: 0;
  font-size: var(--fs-14);
  line-height: 1.8;
  color: var(--mist);
}

.page-faq .faq-inline-link {
  margin: 1.15rem 0 0;
  font-size: var(--fs-14);
  color: var(--mist);
}

.page-faq .faq-inline-link a {
  border-bottom: 1px solid var(--gold-line);
  padding-bottom: 1px;
}

/* ---------- 检查清单 ---------- */
.page-faq .check-grid {
  display: grid;
  gap: 1.25rem;
}

.page-faq .faq-figure--square {
  max-width: 420px;
}

.page-faq .check-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 0.7rem;
}

.page-faq .check-item {
  position: relative;
  display: grid;
  grid-template-columns: 22px 1fr;
  gap: 0.85rem;
  align-items: start;
  padding: 1rem 3rem 1rem 1rem;
  border: 1px solid var(--steel);
  border-radius: var(--radius);
  background: var(--faq-card-bg);
  cursor: pointer;
  transition: border-color var(--dur) var(--ease), background var(--dur) var(--ease);
}

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

.page-faq .check-item input {
  position: absolute;
  width: 1px;
  height: 1px;
  opacity: 0;
  pointer-events: none;
}

.page-faq .check-box {
  width: 22px;
  height: 22px;
  margin-top: 0.1rem;
  border: 1px solid var(--steel);
  border-radius: 2px;
  background: rgba(10, 20, 48, 0.9);
  display: grid;
  place-items: center;
  transition: background var(--dur) var(--ease), border-color var(--dur) var(--ease);
}

.page-faq .check-box::after {
  content: "";
  width: 11px;
  height: 6px;
  margin-top: -3px;
  border-left: 2px solid var(--ink-deep);
  border-bottom: 2px solid var(--ink-deep);
  transform: rotate(-45deg) scale(0.4);
  opacity: 0;
  transition: transform var(--dur) var(--ease), opacity var(--dur) var(--ease);
}

.page-faq .check-item input:checked + .check-box {
  background: var(--jade);
  border-color: var(--jade);
}

.page-faq .check-item input:checked + .check-box::after {
  opacity: 1;
  transform: rotate(-45deg) scale(1);
}

.page-faq .check-item input:focus-visible + .check-box {
  outline: 1px solid var(--jade);
  outline-offset: 3px;
}

.page-faq .check-text {
  font-size: var(--fs-14);
  line-height: 1.8;
  color: var(--mist);
  transition: color var(--dur) var(--ease);
}

.page-faq .check-text strong {
  display: block;
  font-size: var(--fs-16);
  color: var(--paper);
  margin-bottom: 0.2rem;
  transition: color var(--dur) var(--ease);
}

.page-faq .check-item input:checked ~ .check-text,
.page-faq .check-item input:checked ~ .check-text strong {
  color: var(--jade);
}

.page-faq .check-item:has(input:checked) {
  border-color: rgba(53, 195, 154, 0.55);
}

.page-faq .check-step {
  position: absolute;
  top: 0.55rem;
  right: 0.85rem;
  font-size: var(--fs-26);
  line-height: 1;
  color: rgba(216, 169, 75, 0.28);
}

/* ---------- 人工协助 ---------- */
.page-faq .faq-help-panel {
  display: grid;
  gap: 1.5rem;
  padding: clamp(1.25rem, 5vw, 2.25rem);
  border: 1px solid var(--steel);
  border-top: 2px solid var(--gold);
  border-radius: var(--radius);
  background:
    radial-gradient(90% 120% at 0% 0%, rgba(59, 18, 32, 0.6) 0%, rgba(10, 20, 48, 0) 65%),
    linear-gradient(180deg, rgba(12, 44, 46, 0.55), rgba(7, 14, 34, 0.85));
}

.page-faq .faq-help-copy p {
  margin: 0.8rem 0 0;
  color: var(--mist);
  font-size: var(--fs-14);
  line-height: 1.85;
  max-width: 640px;
}

.page-faq .faq-help-copy .btn {
  margin-top: 1.2rem;
}

.page-faq .faq-help-lines {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 0.8rem;
  align-content: start;
}

.page-faq .faq-help-lines li {
  display: grid;
  gap: 0.15rem;
  padding-bottom: 0.75rem;
  border-bottom: 1px dashed var(--faq-line-soft);
  font-size: var(--fs-14);
  word-break: break-word;
}

.page-faq .faq-help-lines li:last-child {
  border-bottom: 0;
  padding-bottom: 0;
}

.page-faq .faq-help-label {
  font-size: var(--fs-12);
  letter-spacing: 0.16em;
  color: var(--mist);
}

.page-faq .faq-help-lines a,
.page-faq .faq-help-lines span:not(.faq-help-label) {
  font-family: var(--font-mono);
  color: var(--paper);
}

.page-faq .faq-related {
  list-style: none;
  margin: 1.5rem 0 0;
  padding: 0;
  display: grid;
  gap: 0.5rem;
}

.page-faq .faq-related a {
  display: block;
  padding: 0.7rem 0.9rem;
  border-left: 1px solid var(--gold-line);
  background: rgba(26, 23, 64, 0.42);
  font-size: var(--fs-14);
  color: var(--mist);
  transition: color var(--dur) var(--ease), border-color var(--dur) var(--ease);
}

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

/* ---------- 断点 ---------- */
@media (min-width: 620px) {
  .page-faq .reason-list,
  .page-faq .faq-related {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .page-faq .faq-related {
    gap: 0.7rem;
  }
}

@media (min-width: 900px) {
  .page-faq .faq-hero-grid {
    grid-template-columns: minmax(0, 7fr) minmax(0, 4fr);
    gap: 2.5rem;
    align-items: start;
  }

  .page-faq .cat-row {
    display: grid;
    grid-template-columns: repeat(5, minmax(0, 1fr));
    gap: 0.85rem;
    overflow: visible;
    padding-bottom: 0;
  }

  .page-faq .cat-row > li {
    flex: none;
  }

  .page-faq .cat-row > li:nth-child(even) {
    transform: translateY(16px);
  }

  .page-faq .faq-top-grid {
    grid-template-columns: minmax(0, 4fr) minmax(0, 7fr);
    gap: 2.5rem;
    align-items: start;
  }

  .page-faq .faq-figure {
    position: sticky;
    top: 1.5rem;
  }

  .page-faq .reason-list {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 1rem;
  }

  .page-faq .check-grid {
    grid-template-columns: minmax(0, 4fr) minmax(0, 7fr);
    gap: 2.25rem;
    align-items: start;
  }

  .page-faq .faq-figure--square {
    max-width: none;
  }

  .page-faq .faq-help-panel {
    grid-template-columns: minmax(0, 7fr) minmax(0, 4fr);
    gap: 2rem;
    align-items: start;
  }

  .page-faq .faq-related {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

@media (min-width: 1100px) {
  .page-faq .faq-hero-copy h1 {
    max-width: 16em;
  }
}