.page-faq {
  padding-bottom: clamp(48px, 8vw, 96px);
}

.page-faq .page-shell {
  display: block;
}

.page-faq .section {
  margin-bottom: clamp(40px, 7vw, 84px);
}

.page-faq .section-note {
  max-width: 54ch;
  color: rgba(11, 20, 32, 0.76);
  line-height: 1.8;
}

/* 首屏 */
.page-faq .faq-hero {
  position: relative;
  overflow: hidden;
  background: var(--deep);
  color: var(--paper);
  border: 3px solid var(--ink);
  box-shadow: var(--shadow-hard);
  padding: clamp(22px, 5vw, 56px);
  margin-bottom: clamp(36px, 6vw, 72px);
}

.page-faq .faq-hero::after {
  content: "";
  position: absolute;
  right: -14%;
  bottom: -32%;
  width: min(460px, 70vw);
  height: min(460px, 70vw);
  background-image: repeating-linear-gradient(135deg, rgba(255, 253, 248, 0.08) 0 2px, transparent 2px 15px);
  transform: rotate(-8deg);
  pointer-events: none;
}

.page-faq .faq-hero .eyebrow {
  color: var(--orange);
  font-weight: 700;
  position: relative;
  z-index: 1;
}

.page-faq .faq-hero h1 {
  position: relative;
  z-index: 1;
  margin: 0 0 18px;
  font-size: clamp(1.95rem, 7vw, 3.5rem);
  line-height: 1.1;
  font-weight: 900;
  letter-spacing: -0.02em;
}

.page-faq .faq-lede {
  position: relative;
  z-index: 1;
  margin: 0;
  max-width: 44ch;
  font-size: clamp(1rem, 1.3vw, 1.08rem);
  line-height: 1.85;
  color: rgba(255, 253, 248, 0.9);
}

.page-faq .faq-hero-actions {
  position: relative;
  z-index: 1;
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 26px;
}

.page-faq .faq-hero-actions .btn {
  min-height: 44px;
  display: inline-flex;
  align-items: center;
}

.page-faq .faq-hero-actions .btn-ghost {
  color: var(--paper);
  border-color: var(--paper);
  box-shadow: 4px 4px 0 rgba(255, 253, 248, 0.32);
  background: transparent;
}

.page-faq .faq-strip {
  position: relative;
  z-index: 1;
  list-style: none;
  display: flex;
  gap: 0;
  margin: 32px 0 0;
  padding: 0;
  overflow-x: auto;
  scroll-snap-type: x proximity;
  border-top: 2px solid rgba(255, 253, 248, 0.24);
  -webkit-overflow-scrolling: touch;
}

.page-faq .strip-item {
  flex: 0 0 auto;
  min-width: 158px;
  padding: 14px 18px 6px 0;
  margin-right: 18px;
  border-right: 1px solid rgba(255, 253, 248, 0.18);
  scroll-snap-align: start;
}

.page-faq .strip-item:last-child {
  border-right: 0;
  margin-right: 0;
}

.page-faq .strip-label {
  display: block;
  margin-bottom: 8px;
  font-size: 12px;
  letter-spacing: 0.14em;
  font-weight: 700;
  color: rgba(255, 253, 248, 0.62);
}

.page-faq .strip-value {
  display: block;
  font-size: 15px;
  font-weight: 700;
  line-height: 1.5;
}

/* 检索结果分区 */
.page-faq .result-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 20px;
}

.page-faq .result-col {
  background: var(--paper);
  border: 2px solid var(--ink);
  box-shadow: var(--shadow-soft);
  padding: 18px 18px 8px;
}

.page-faq .col-head {
  display: flex;
  align-items: baseline;
  gap: 10px;
  padding-bottom: 10px;
  margin-bottom: 4px;
  border-bottom: 2px solid var(--ink);
}

.page-faq .col-num {
  font-family: var(--font-mono);
  font-size: 13px;
  font-weight: 700;
  color: var(--orange);
}

.page-faq .col-title {
  margin: 0;
  font-size: 1.05rem;
  font-weight: 800;
  letter-spacing: -0.01em;
}

.page-faq .col-count {
  margin-left: auto;
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--blue);
}

.page-faq .result-list {
  list-style: none;
  margin: 0;
  padding: 0;
}

.page-faq .result-link {
  display: flex;
  align-items: center;
  gap: 10px;
  min-height: 44px;
  padding: 10px 6px;
  font-size: 0.95rem;
  line-height: 1.6;
  color: var(--ink);
  text-decoration: none;
  border-bottom: 1px dashed var(--line);
  transition: background-color 0.18s ease, padding-left 0.18s ease;
}

.page-faq .result-list li:last-child .result-link {
  border-bottom: 0;
}

.page-faq .result-link:hover,
.page-faq .result-link:focus-visible {
  background: var(--orange-soft);
  padding-left: 12px;
}

.page-faq .result-idx {
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--blue);
  flex: 0 0 auto;
}

.page-faq .faq-figure {
  margin: clamp(24px, 4vw, 40px) 0 0;
  border: 2px solid var(--ink);
  background: var(--paper);
  box-shadow: var(--shadow-soft);
}

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

.page-faq .media-caption {
  padding: 10px 14px;
  font-size: 13px;
  line-height: 1.7;
  color: rgba(11, 20, 32, 0.74);
  border-top: 2px solid var(--ink);
}

/* 问答区 */
.page-faq .faq-answers {
  background: var(--warm);
  border: 2px solid var(--ink);
  padding: clamp(22px, 4vw, 44px);
}

.page-faq .faq-layout {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(22px, 4vw, 44px);
  margin-top: clamp(20px, 3vw, 32px);
}

.page-faq .faq-index {
  background: var(--paper);
  border: 2px solid var(--ink);
  box-shadow: 4px 4px 0 rgba(11, 20, 32, 0.14);
  padding: 16px;
  align-self: start;
}

.page-faq .index-title {
  margin: 0 0 10px;
  font-size: 12px;
  letter-spacing: 0.16em;
  font-weight: 800;
  color: var(--blue);
}

.page-faq .faq-index .index-link {
  display: flex;
  align-items: center;
  min-height: 44px;
}

.page-faq .index-note {
  margin: 12px 0 0;
  font-size: 13px;
  line-height: 1.7;
  color: rgba(11, 20, 32, 0.72);
}

.page-faq .panel-group {
  margin-bottom: clamp(24px, 4vw, 40px);
  scroll-margin-top: 92px;
}

.page-faq .panel-group:last-of-type {
  margin-bottom: 0;
}

.page-faq .group-head {
  display: flex;
  align-items: baseline;
  gap: 12px;
  padding-bottom: 8px;
  margin-bottom: 16px;
  border-bottom: 3px solid var(--ink);
}

.page-faq .group-num {
  font-family: var(--font-mono);
  font-size: 14px;
  font-weight: 700;
  color: var(--orange);
}

.page-faq .group-title {
  margin: 0;
  font-size: clamp(1.2rem, 2.4vw, 1.5rem);
  font-weight: 800;
  letter-spacing: -0.01em;
}

.page-faq .group-count {
  margin-left: auto;
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--blue);
  white-space: nowrap;
}

.page-faq .faq-panel {
  background: var(--paper);
  border: 2px solid var(--ink);
  margin-bottom: 12px;
}

.page-faq .faq-panel summary {
  display: flex;
  align-items: center;
  gap: 12px;
  min-height: 44px;
  padding: 12px 16px;
  font-size: 1rem;
  font-weight: 700;
  line-height: 1.55;
  color: var(--ink);
  cursor: pointer;
  list-style: none;
}

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

.page-faq .faq-panel summary::after {
  content: "+";
  margin-left: auto;
  flex: 0 0 auto;
  font-family: var(--font-mono);
  font-size: 20px;
  line-height: 1;
  color: var(--orange);
}

.page-faq .faq-panel[open] summary {
  background: var(--jade-soft);
  border-bottom: 2px solid var(--ink);
}

.page-faq .faq-panel[open] summary::after {
  content: "−";
}

.page-faq .faq-answer {
  padding: 14px 16px 18px;
  font-size: 0.98rem;
  line-height: 1.85;
  color: var(--ink);
}

.page-faq .faq-answer p {
  margin: 0 0 12px;
  max-width: 58ch;
}

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

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

.page-faq .step-list {
  list-style: none;
  counter-reset: step;
  display: grid;
  gap: 8px;
  margin: 12px 0 4px;
  padding: 0;
}

.page-faq .step-list li {
  counter-increment: step;
  display: flex;
  align-items: flex-start;
  gap: 10px;
  min-height: 44px;
  line-height: 1.7;
}

.page-faq .step-list li::before {
  content: counter(step, decimal-leading-zero);
  flex: 0 0 auto;
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 700;
  padding: 2px 6px;
  margin-top: 3px;
  background: var(--orange-soft);
  color: var(--ink);
  border-bottom: 2px solid var(--ink);
}

.page-faq .inline-chain {
  font-family: var(--font-mono);
  font-size: 0.9em;
  padding: 0 4px;
  background: var(--orange-soft);
  border-bottom: 2px solid var(--ink);
  white-space: nowrap;
}

/* 收尾 */
.page-faq .faq-cta {
  margin-top: clamp(36px, 6vw, 72px);
  padding: clamp(24px, 4vw, 44px);
  background: var(--deep);
  color: var(--paper);
  border: 3px solid var(--ink);
  border-top: 8px solid var(--orange);
  box-shadow: var(--shadow-hard);
}

.page-faq .faq-cta h2 {
  margin: 0 0 12px;
  font-size: clamp(1.4rem, 3.4vw, 2rem);
  font-weight: 900;
  letter-spacing: -0.01em;
}

.page-faq .faq-cta p {
  margin: 0;
  max-width: 48ch;
  line-height: 1.85;
  color: rgba(255, 253, 248, 0.88);
}

.page-faq .faq-cta-links {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin: 22px 0 18px;
}

.page-faq .faq-cta-links .btn {
  min-height: 44px;
  display: inline-flex;
  align-items: center;
}

.page-faq .faq-cta-links .btn-ghost {
  color: var(--paper);
  border-color: var(--paper);
  background: transparent;
  box-shadow: 4px 4px 0 rgba(255, 253, 248, 0.3);
}

.page-faq .faq-cta-note {
  font-size: 13px;
  color: rgba(255, 253, 248, 0.72);
}

.page-faq .faq-cta-note a {
  color: var(--orange);
  text-decoration: underline;
  text-underline-offset: 3px;
  padding: 0 2px;
}

/* 桌面端 */
@media (min-width: 860px) {
  .page-faq .result-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    align-items: start;
  }

  .page-faq .result-col:nth-child(2) {
    transform: translateY(18px);
  }

  .page-faq .result-col:nth-child(3) {
    transform: translateY(-8px);
  }
}

@media (min-width: 960px) {
  .page-faq .faq-layout {
    grid-template-columns: 250px minmax(0, 1fr);
    align-items: start;
  }

  .page-faq .faq-index {
    position: sticky;
    top: 88px;
  }

  .page-faq .faq-panel:nth-of-type(even) {
    margin-left: 16px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-faq .result-link {
    transition: none;
  }
}