.page-faq {
  background: var(--paper);
  color: var(--ink);
  font-family: var(--font-body);
  line-height: 1.75;
}

.page-faq .breadcrumb {
  padding-block: 0.9rem;
  font-size: 0.82rem;
}

.page-faq .breadcrumb ol {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  color: var(--ink-soft);
}

.page-faq .breadcrumb li + li::before {
  content: "/";
  margin-right: 0.5rem;
  color: var(--scale);
}

.page-faq .breadcrumb a {
  color: var(--pitch);
  text-decoration: none;
  border-bottom: 1px solid transparent;
}

.page-faq .breadcrumb a:hover,
.page-faq .breadcrumb a:focus-visible {
  border-bottom-color: currentColor;
}

/* ---------- 首屏 ---------- */

.page-faq .faq-hero {
  position: relative;
  overflow: hidden;
  background-color: var(--stand-blue);
  color: var(--paper);
  border-block: 3px solid var(--night-ink);
  padding-block: clamp(1.9rem, 5vw, 3.75rem) clamp(2rem, 5vw, 3.5rem);
}

.page-faq .faq-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    repeating-linear-gradient(90deg, rgba(244, 238, 226, 0.07) 0 1px, transparent 1px 96px),
    repeating-linear-gradient(0deg, rgba(244, 238, 226, 0.07) 0 1px, transparent 1px 96px);
  pointer-events: none;
}

.page-faq .faq-hero-grid {
  position: relative;
  z-index: 1;
  display: grid;
  gap: 1.9rem;
}

.page-faq .faq-hero-copy { min-width: 0; }

.page-faq .faq-hero h1 {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(2rem, 7.4vw, 3.5rem);
  line-height: 1.06;
  letter-spacing: 0.01em;
  margin: 0.5rem 0 0.9rem;
  color: var(--paper);
}

.page-faq .faq-hero .lead {
  margin: 0;
  max-width: 48ch;
  font-size: clamp(0.95rem, 2.3vw, 1.05rem);
  color: rgba(244, 238, 226, 0.85);
}

.page-faq .faq-jump {
  list-style: none;
  margin: 1.6rem 0 0;
  padding: 0;
  display: grid;
  gap: 0.6rem;
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.page-faq .faq-jump a {
  display: block;
  padding: 0.7rem 0.75rem;
  border: 3px solid rgba(244, 238, 226, 0.28);
  color: var(--paper);
  text-decoration: none;
  font-family: var(--font-display);
  font-size: 0.92rem;
  letter-spacing: 0.02em;
  transition: transform 0.15s ease, border-color 0.15s ease, box-shadow 0.15s ease;
}

.page-faq .faq-jump a span {
  display: block;
  font-size: 1.5rem;
  font-weight: 800;
  line-height: 1;
  color: var(--amber);
  font-variant-numeric: tabular-nums;
  margin-bottom: 0.25rem;
}

.page-faq .faq-jump a:hover,
.page-faq .faq-jump a:focus-visible {
  border-color: var(--amber);
  box-shadow: var(--shadow-ink);
  transform: translate(-2px, -2px);
}

.page-faq .faq-hero-figure {
  margin: 0;
  border: 3px solid var(--night-ink);
  box-shadow: var(--shadow-ink);
  background: var(--night-ink);
}

.page-faq .faq-hero-figure img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 10 / 7;
  object-fit: cover;
}

.page-faq .faq-hero-figure .figure-caption {
  padding: 0.55rem 0.8rem 0.65rem;
  font-size: 0.76rem;
  line-height: 1.5;
  color: var(--scale);
  background: var(--night-ink);
}

/* ---------- 步骤区 ---------- */

.page-faq .section-head {
  max-width: 62ch;
  margin-bottom: clamp(1.4rem, 3.6vw, 2.4rem);
}

.page-faq .section-head h2 {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(1.55rem, 4.5vw, 2.5rem);
  line-height: 1.14;
  margin: 0.3rem 0 0;
  color: var(--stand-blue);
}

.page-faq .faq-steps {
  background: var(--paper);
  border-top: 3px solid var(--stand-blue);
}

.page-faq .step-track {
  position: relative;
  display: grid;
  gap: 2.2rem;
}

.page-faq .step-track::before {
  content: "";
  position: absolute;
  left: 25px;
  top: 22px;
  bottom: 22px;
  border-left: 2px dashed var(--scale);
  opacity: 0.6;
}

.page-faq .step {
  position: relative;
  display: grid;
  grid-template-columns: 52px minmax(0, 1fr);
  gap: 0 1.1rem;
  align-items: start;
}

.page-faq .step-node {
  grid-column: 1;
  grid-row: 1;
  width: 52px;
  height: 52px;
  display: grid;
  place-items: center;
  background: var(--paper);
  border: 3px solid var(--stand-blue);
  box-shadow: var(--shadow-hard);
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 1.28rem;
  line-height: 1;
  color: var(--stand-blue);
  font-variant-numeric: tabular-nums;
  transition: background-color 0.16s ease, color 0.16s ease;
}

.page-faq .step-body {
  grid-column: 2;
  grid-row: 1;
  min-width: 0;
}

.page-faq .step-key {
  display: inline-block;
  margin: 0 0 0.5rem;
  padding: 0.16rem 0.5rem;
  background: var(--pitch);
  color: var(--paper);
  font-family: var(--font-display);
  font-size: 0.7rem;
  letter-spacing: 0.14em;
}

.page-faq .step-body h3 {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(1.12rem, 3.3vw, 1.55rem);
  line-height: 1.22;
  margin: 0 0 0.55rem;
  color: var(--stand-blue);
}

.page-faq .step-body p {
  margin: 0 0 0.7rem;
  font-size: 0.94rem;
  color: var(--ink-soft);
}

.page-faq .step-links {
  display: flex;
  flex-wrap: wrap;
  gap: 0.45rem;
  margin-top: 0.85rem;
}

.page-faq .step-links a {
  font-family: var(--font-display);
  font-size: 0.82rem;
  letter-spacing: 0.02em;
  text-decoration: none;
  color: var(--pitch);
  border: 2px solid var(--pitch);
  padding: 0.28rem 0.6rem;
  transition: background-color 0.15s ease, color 0.15s ease, transform 0.15s ease, box-shadow 0.15s ease;
}

.page-faq .step-links a:hover,
.page-faq .step-links a:focus-visible {
  background: var(--pitch);
  color: var(--paper);
  transform: translate(-2px, -2px);
  box-shadow: 3px 3px 0 rgba(11, 27, 43, 0.25);
}

.page-faq .step:hover .step-node,
.page-faq .step:focus-within .step-node {
  background: var(--amber);
  color: var(--ink);
}

.page-faq .faq-mid {
  position: relative;
  margin: 0;
  padding-block: 0.6rem;
  background: var(--paper);
}

.page-faq .faq-mid img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 8 / 5;
  object-fit: cover;
  border: 3px solid var(--stand-blue);
  box-shadow: var(--shadow-hard);
}

.page-faq .faq-mid .figure-caption {
  margin-top: 0.6rem;
  font-size: 0.78rem;
  color: var(--ink-soft);
  border-left: 3px solid var(--amber);
  padding-left: 0.6rem;
}

/* ---------- 常见疑问 ---------- */

.page-faq .faq-faqs {
  background: var(--paper-dim);
  border-top: 3px solid var(--stand-blue);
}

.page-faq .faq-list {
  display: grid;
  gap: 1px;
  background: var(--scale);
  border: 3px solid var(--stand-blue);
  box-shadow: var(--shadow-hard);
}

.page-faq .faq-item {
  background: var(--paper);
}

.page-faq .faq-item summary {
  list-style: none;
  cursor: pointer;
  display: flex;
  align-items: flex-start;
  gap: 0.75rem;
  padding: 1rem 1.05rem;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1rem;
  line-height: 1.4;
  color: var(--stand-blue);
  transition: background-color 0.15s ease;
}

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

.page-faq .faq-item summary::before {
  content: "+";
  flex: 0 0 auto;
  width: 22px;
  height: 22px;
  display: grid;
  place-items: center;
  background: var(--amber);
  color: var(--ink);
  font-size: 0.95rem;
  font-weight: 800;
  line-height: 1;
}

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

.page-faq .faq-item summary:hover { background: var(--paper-dim); }

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

.page-faq .faq-a {
  padding: 0 1.05rem 1.15rem 3rem;
}

.page-faq .faq-a p {
  margin: 0;
  font-size: 0.92rem;
  color: var(--ink-soft);
}

/* ---------- 咨询引导 ---------- */

.page-faq .faq-ask {
  background: var(--stand-blue);
  color: var(--paper);
  border-top: 3px solid var(--night-ink);
}

.page-faq .faq-ask-grid {
  display: grid;
  gap: 2rem;
}

.page-faq .faq-ask h2 {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(1.5rem, 4.3vw, 2.25rem);
  line-height: 1.16;
  margin: 0.3rem 0 0.8rem;
  color: var(--paper);
}

.page-faq .faq-ask p {
  margin: 0 0 1.4rem;
  max-width: 50ch;
  font-size: 0.94rem;
  color: rgba(244, 238, 226, 0.82);
}

.page-faq .ask-prep-title {
  margin: 0 0 0.8rem;
  font-family: var(--font-display);
  font-size: 0.95rem;
  letter-spacing: 0.04em;
  color: var(--amber);
}

.page-faq .ask-prep {
  list-style: none;
  margin: 0;
  padding: 0;
  border-left: 3px solid var(--pitch);
}

.page-faq .ask-prep li {
  padding: 0.75rem 0 0.75rem 1rem;
  border-bottom: 1px dashed rgba(244, 238, 226, 0.24);
}

.page-faq .ask-prep li:last-child { border-bottom: 0; }

.page-faq .ask-prep strong {
  display: block;
  margin-bottom: 0.2rem;
  font-family: var(--font-display);
  font-size: 0.95rem;
  font-weight: 700;
  letter-spacing: 0.04em;
  color: var(--paper);
}

.page-faq .ask-prep span {
  display: block;
  font-size: 0.88rem;
  color: rgba(244, 238, 226, 0.74);
}

/* ---------- 响应式 ---------- */

@media (min-width: 640px) {
  .page-faq .faq-jump { grid-template-columns: repeat(4, minmax(0, 1fr)); }
}

@media (min-width: 900px) {
  .page-faq .faq-hero-grid {
    grid-template-columns: minmax(0, 1.05fr) minmax(0, 0.95fr);
    gap: 3rem;
    align-items: center;
  }

  .page-faq .faq-ask-grid {
    grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
    gap: 3.5rem;
    align-items: start;
  }

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

@media (min-width: 1024px) {
  .page-faq .step-track { gap: 0; }

  .page-faq .step-track::before {
    left: 50%;
    top: 0;
    bottom: 0;
    margin-left: -1px;
  }

  .page-faq .step {
    grid-template-columns: minmax(0, 1fr) 68px minmax(0, 1fr);
    gap: 0 2rem;
    align-items: center;
    padding-block: 1.85rem;
  }

  .page-faq .step-node {
    grid-column: 2;
    grid-row: 1;
    margin: 0 auto;
  }

  .page-faq .step-body {
    grid-column: 1;
    grid-row: 1;
    text-align: right;
  }

  .page-faq .step:nth-of-type(even) .step-body {
    grid-column: 3;
    text-align: left;
  }

  .page-faq .step:nth-of-type(odd) .step-links { justify-content: flex-end; }

  .page-faq .step-links,
  .page-faq .step-body p {
    transition: opacity 0.16s ease;
  }

  .page-faq .faq-mid {
    max-width: 760px;
    margin-inline: auto;
    padding-block: 1.75rem;
  }

  .page-faq .faq-a { padding-right: 1.6rem; }
}

@media (prefers-reduced-motion: reduce) {
  .page-faq .faq-jump a,
  .page-faq .step-links a,
  .page-faq .step-node,
  .page-faq .faq-item summary {
    transition: color 0.12s ease, background-color 0.12s ease;
  }

  .page-faq .faq-jump a:hover,
  .page-faq .faq-jump a:focus-visible,
  .page-faq .step-links a:hover,
  .page-faq .step-links a:focus-visible {
    transform: none;
  }
}