.page-faq {
  --faq-line: rgba(201, 191, 175, 0.55);
  --faq-line-soft: rgba(201, 191, 175, 0.3);
  --faq-body-dim: rgba(18, 20, 23, 0.78);
  background: var(--paper);
  color: var(--charcoal);
  font-family: var(--font-body);
}

/* ---------- 首屏 ---------- */
.page-faq .faq-hero {
  position: relative;
  overflow: hidden;
  padding: clamp(2.2rem, 5vw, 3.4rem) 0 clamp(2.6rem, 6vw, 4.8rem);
  background: var(--ink);
  color: var(--mist);
}

.page-faq .faq-hero::before {
  content: "";
  position: absolute;
  inset: 0 0 auto 0;
  height: 4px;
  background: var(--fire);
}

.page-faq .faq-hero::after {
  content: "";
  position: absolute;
  top: -34%;
  right: -18%;
  width: 62vw;
  height: 62vw;
  max-width: 700px;
  max-height: 700px;
  background: radial-gradient(circle at center, rgba(242, 169, 59, 0.22), rgba(200, 69, 31, 0.07) 46%, transparent 72%);
  pointer-events: none;
}

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

.page-faq .breadcrumbs-link,
.page-faq .breadcrumbs-item {
  color: rgba(251, 248, 242, 0.62);
}

.page-faq .breadcrumbs-link:hover,
.page-faq .breadcrumbs-link:focus-visible {
  color: var(--gold);
}

.page-faq .faq-hero-inner {
  max-width: 46rem;
  margin-top: clamp(1.4rem, 3.5vw, 2.4rem);
}

.page-faq .faq-hero .eyebrow {
  color: var(--gold);
  margin: 0;
}

.page-faq .faq-hero h1 {
  margin: 0.7rem 0 1.1rem;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(2.05rem, 5.6vw, 3.9rem);
  line-height: 1.04;
  letter-spacing: -0.035em;
  transform: skewX(-2deg);
  transform-origin: left bottom;
}

.page-faq .faq-hero-text {
  max-width: 40rem;
  margin: 0;
  font-size: clamp(0.98rem, 1.5vw, 1.1rem);
  line-height: 1.85;
  color: rgba(251, 248, 242, 0.8);
}

/* ---------- 区块通用 ---------- */
.page-faq .section {
  padding: clamp(2.6rem, 6vw, 4.8rem) 0;
}

/* ---------- 场景索引 ---------- */
.page-faq .faq-map-head {
  display: grid;
  gap: clamp(1.6rem, 4vw, 2.8rem);
  align-items: center;
}

.page-faq .faq-map-copy .eyebrow {
  margin: 0 0 0.6rem;
  color: var(--red);
}

.page-faq .faq-map-copy h2 {
  margin: 0 0 0.9rem;
  font-family: var(--font-serif);
  font-weight: 700;
  font-size: clamp(1.6rem, 3vw, 2.4rem);
  line-height: 1.25;
  color: var(--ink);
}

.page-faq .faq-map-lede {
  max-width: 34rem;
  margin: 0;
  font-size: 0.98rem;
  line-height: 1.85;
  color: var(--faq-body-dim);
}

.page-faq .faq-map-figure {
  margin: 0;
}

.page-faq .faq-map-figure .figure-media {
  background: var(--ink);
  border: 1px solid var(--faq-line);
  box-shadow: var(--shadow-sheet);
}

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

.page-faq .faq-map-figure .figure-caption {
  margin-top: 0.6rem;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.06em;
  color: rgba(18, 20, 23, 0.55);
}

.page-faq .quad-grid {
  display: grid;
  gap: 1px;
  margin-top: clamp(1.8rem, 4vw, 2.8rem);
  background: var(--faq-line);
  border: 1px solid var(--faq-line);
}

.page-faq .quad-card {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 0.45rem;
  padding: clamp(1.2rem, 3vw, 1.9rem);
  background: var(--mist);
  color: var(--charcoal);
  text-decoration: none;
  transition: background 200ms var(--ease);
}

.page-faq .quad-card::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0;
  bottom: 0;
  width: 3px;
  background: var(--jade);
  transform: scaleY(0);
  transform-origin: top;
  transition: transform 220ms var(--ease);
}

.page-faq .quad-card:hover,
.page-faq .quad-card:focus-visible {
  background: var(--paper);
}

.page-faq .quad-card:hover::before,
.page-faq .quad-card:focus-visible::before {
  transform: scaleY(1);
}

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

.page-faq .quad-index {
  font-family: var(--font-mono);
  font-size: 0.74rem;
  letter-spacing: 0.14em;
  color: var(--gold);
}

.page-faq .quad-title {
  font-family: var(--font-display);
  font-weight: 900;
  font-size: 1.12rem;
  letter-spacing: -0.01em;
  color: var(--ink);
}

.page-faq .quad-desc {
  font-size: 0.9rem;
  line-height: 1.75;
  color: var(--faq-body-dim);
}

/* ---------- 问答流 ---------- */
.page-faq .faq-stream {
  border-top: 1px solid var(--faq-line);
  background: linear-gradient(180deg, rgba(201, 191, 175, 0.12), rgba(244, 239, 230, 0) 22%);
}

.page-faq .faq-stream-grid {
  display: grid;
  gap: clamp(2rem, 5vw, 3.2rem);
}

.page-faq .faq-stream-main > .eyebrow {
  margin: 0 0 0.5rem;
  color: var(--red);
}

.page-faq .faq-stream-main > h2 {
  margin: 0;
  font-family: var(--font-serif);
  font-weight: 700;
  font-size: clamp(1.5rem, 2.8vw, 2.1rem);
  line-height: 1.3;
  color: var(--ink);
}

.page-faq .faq-group {
  margin-top: clamp(1.8rem, 4vw, 2.6rem);
  scroll-margin-top: 96px;
}

.page-faq .faq-group-title {
  display: flex;
  align-items: baseline;
  gap: 0.75rem;
  margin: 0 0 0.2rem;
  padding-bottom: 0.65rem;
  border-bottom: 2px solid var(--charcoal);
  font-family: var(--font-serif);
  font-weight: 700;
  font-size: clamp(1.15rem, 2.2vw, 1.45rem);
  color: var(--ink);
}

.page-faq .faq-group-index {
  font-family: var(--font-mono);
  font-size: 0.86rem;
  letter-spacing: 0.1em;
  color: var(--red);
}

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

.page-faq .q-item > summary {
  position: relative;
  display: flex;
  align-items: baseline;
  gap: 0.85rem;
  padding: 1rem 2.1rem 1rem 0;
  list-style: none;
  cursor: pointer;
  font-weight: 700;
  line-height: 1.55;
  font-size: 0.99rem;
  color: var(--charcoal);
  transition: color 180ms var(--ease);
}

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

.page-faq .q-item > summary::after {
  content: "＋";
  position: absolute;
  right: 0.15rem;
  top: 50%;
  transform: translateY(-50%);
  font-family: var(--font-mono);
  font-size: 1.05rem;
  color: var(--jade);
  transition: color 180ms var(--ease);
}

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

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

.page-faq .q-item > summary:focus-visible {
  outline: 2px solid var(--jade);
  outline-offset: 3px;
  border-radius: 2px;
}

.page-faq .q-no {
  flex: none;
  font-family: var(--font-mono);
  font-size: 0.76rem;
  letter-spacing: 0.08em;
  color: var(--indigo);
}

.page-faq .q-answer {
  max-width: 42rem;
  padding: 0 0 1.15rem 2.35rem;
  font-size: 0.95rem;
  line-height: 1.85;
  color: var(--faq-body-dim);
}

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

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

.page-faq .q-answer a {
  color: var(--ink);
  text-decoration: underline;
  text-decoration-color: var(--jade);
  text-underline-offset: 3px;
}

.page-faq .q-answer a:hover,
.page-faq .q-answer a:focus-visible {
  color: var(--red);
  text-decoration-color: var(--red);
}

.page-faq .q-steps {
  display: grid;
  gap: 0.4rem;
  margin: 0.3rem 0 0;
  padding-left: 1.1rem;
}

.page-faq .q-steps li::marker {
  color: var(--jade);
}

/* ---------- 联系窄栏 ---------- */
.page-faq .faq-contact {
  position: relative;
  overflow: hidden;
  background: var(--ink);
  color: var(--mist);
  border-top: 3px solid transparent;
  border-image: var(--fire) 1;
}

.page-faq .faq-contact .eyebrow {
  margin: 0 0 0.4rem;
  color: var(--gold);
}

.page-faq .faq-contact h3 {
  margin: 0 0 0.7rem;
  font-family: var(--font-serif);
  font-weight: 700;
  font-size: 1.28rem;
  line-height: 1.35;
  color: var(--mist);
}

.page-faq .faq-contact-lede {
  margin: 0 0 1.15rem;
  font-size: 0.9rem;
  line-height: 1.8;
  color: rgba(251, 248, 242, 0.76);
}

.page-faq .faq-contact-figure {
  margin: 0 0 1.15rem;
}

.page-faq .faq-contact-figure .figure-media {
  border: 1px solid var(--line-dark);
  background: var(--charcoal);
}

.page-faq .faq-contact-list {
  display: grid;
  gap: 0.75rem;
  margin: 0 0 1.1rem;
}

.page-faq .faq-contact-list > div {
  padding-top: 0.55rem;
  border-top: 1px solid var(--line-dark);
}

.page-faq .faq-contact-list dt {
  font-family: var(--font-mono);
  font-size: 0.68rem;
  letter-spacing: 0.14em;
  color: rgba(251, 248, 242, 0.55);
}

.page-faq .faq-contact-list dd {
  margin: 0.25rem 0 0;
  font-family: var(--font-mono);
  font-size: 0.84rem;
  line-height: 1.6;
  color: var(--mist);
  word-break: break-word;
  overflow-wrap: anywhere;
}

.page-faq .faq-contact-note {
  margin: 0 0 1.15rem;
  font-size: 0.8rem;
  line-height: 1.75;
  color: rgba(251, 248, 242, 0.62);
}

.page-faq .faq-contact .btn {
  display: block;
  width: 100%;
  text-align: center;
}

/* ---------- 响应式 ---------- */
@media (min-width: 720px) {
  .page-faq .quad-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (min-width: 900px) {
  .page-faq .faq-map-head {
    grid-template-columns: minmax(0, 1fr) minmax(0, 0.82fr);
  }
}

@media (min-width: 1000px) {
  .page-faq .faq-stream-grid {
    grid-template-columns: minmax(0, 1fr) 320px;
    align-items: start;
  }

  .page-faq .faq-aside {
    position: sticky;
    top: 96px;
  }
}

@media (max-width: 560px) {
  .page-faq .q-answer {
    padding-left: 0;
    padding-top: 0.15rem;
  }

  .page-faq .q-item > summary {
    gap: 0.6rem;
    font-size: 0.94rem;
  }

  .page-faq .faq-hero h1 {
    transform: none;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-faq .quad-card,
  .page-faq .quad-card::before,
  .page-faq .q-item > summary,
  .page-faq .q-item > summary::after {
    transition: none;
  }
}