.page-faq {
  position: relative;
  padding-top: calc(var(--header-h) + 16px);
  background:
    radial-gradient(120% 70% at 88% -12%, rgba(61, 240, 200, 0.14), transparent 60%),
    radial-gradient(90% 60% at 0% 18%, rgba(255, 122, 61, 0.08), transparent 55%),
    var(--ink-void);
  color: var(--white);
  font-family: var(--font-body);
  overflow-x: clip;
}

.page-faq .breadcrumb {
  padding-top: 8px;
  padding-bottom: 8px;
}

.page-faq .breadcrumb-list {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  margin: 0;
  padding: 0;
  list-style: none;
  font-size: 0.78rem;
}

.page-faq .breadcrumb-item {
  display: inline-flex;
  align-items: center;
  gap: 8px;
}

.page-faq .breadcrumb-link {
  color: var(--mist);
  text-decoration: none;
  transition: color 0.2s var(--ease);
}

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

.page-faq .breadcrumb-sep {
  color: var(--ink-line);
}

.page-faq .breadcrumb-current {
  color: var(--white);
}

/* ---------- 首屏 ---------- */
.page-faq .faq-hero {
  padding: 24px 0 48px;
  border-bottom: 1px solid var(--ink-line);
}

.page-faq .faq-hero-grid {
  display: grid;
  gap: 32px;
}

.page-faq .faq-hero .eyebrow {
  margin: 0;
  color: var(--cyan);
  letter-spacing: 0.16em;
}

.page-faq .faq-title {
  margin: 14px 0 18px;
  font-family: var(--font-display);
  font-size: clamp(2rem, 8vw, 3.7rem);
  font-weight: 800;
  line-height: 1.05;
  letter-spacing: 0.01em;
  color: var(--white);
}

.page-faq .faq-lead {
  max-width: 46ch;
  margin: 0 0 24px;
  color: var(--mist);
  font-size: 0.98rem;
  line-height: 1.85;
}

.page-faq .faq-board {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1px;
  margin: 0;
  padding: 0;
  list-style: none;
  background: var(--ink-line);
  border: 1px solid var(--ink-line);
  clip-path: polygon(20px 0, 100% 0, 100% 100%, 0 100%, 0 20px);
}

.page-faq .faq-board-cell {
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  gap: 10px;
  min-height: 92px;
  padding: 16px 14px;
  background: linear-gradient(160deg, rgba(18, 52, 58, 0.95), rgba(7, 30, 35, 0.96));
}

.page-faq .faq-board-num {
  color: var(--cyan);
  font-size: 12px;
  letter-spacing: 0.16em;
}

.page-faq .faq-board-label {
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--white);
}

/* ---------- 场景索引 ---------- */
.page-faq .faq-scenes-section {
  padding: 48px 0 56px;
}

.page-faq .faq-scenes-head {
  margin-bottom: 22px;
}

.page-faq .faq-scenes-head .eyebrow {
  margin: 0;
  color: var(--mist);
  letter-spacing: 0.16em;
}

.page-faq .faq-scenes-head h2 {
  margin: 10px 0 0;
  font-family: var(--font-display);
  font-size: clamp(1.35rem, 4.6vw, 2rem);
  font-weight: 700;
  line-height: 1.22;
  color: var(--white);
}

.page-faq .faq-scenes {
  display: grid;
  gap: 12px;
}

.page-faq .faq-scene {
  display: flex;
  flex-direction: column;
  gap: 10px;
  padding: 18px 16px 16px;
  border: 1px solid var(--ink-line);
  background: rgba(18, 52, 58, 0.42);
  color: inherit;
  text-decoration: none;
  clip-path: polygon(0 0, calc(100% - 16px) 0, 100% 16px, 100% 100%, 0 100%);
  transition: border-color 0.25s var(--ease), background 0.25s var(--ease), transform 0.25s var(--ease);
}

.page-faq .faq-scene:hover,
.page-faq .faq-scene:focus-visible {
  border-color: var(--cyan);
  background: rgba(61, 240, 200, 0.08);
  transform: translateY(-3px);
}

.page-faq .faq-scene:focus-visible {
  outline: 2px solid var(--cyan);
  outline-offset: 2px;
}

.page-faq .faq-scene-num {
  color: var(--orange);
  font-size: 12px;
  letter-spacing: 0.18em;
}

.page-faq .faq-scene-title {
  font-size: 1.02rem;
  font-weight: 700;
  color: var(--white);
}

.page-faq .faq-scene-text {
  color: var(--mist);
  font-size: 0.86rem;
  line-height: 1.72;
}

.page-faq .faq-scene-go {
  margin-top: auto;
  color: var(--cyan);
  font-family: var(--font-data);
  font-size: 0.82rem;
}

/* ---------- 主体布局 ---------- */
.page-faq .faq-layout {
  display: grid;
  gap: 0;
  padding-bottom: 8px;
}

.page-faq .faq-rail {
  display: none;
}

.page-faq .faq-rail-title {
  margin: 0 0 14px;
  color: var(--mist);
  font-size: 11px;
  letter-spacing: 0.18em;
}

.page-faq .faq-rail-list {
  margin: 0;
  padding: 0;
  list-style: none;
  border-left: 1px solid var(--ink-line);
}

.page-faq .faq-rail-link {
  display: flex;
  align-items: baseline;
  gap: 10px;
  margin-left: -1px;
  padding: 9px 0 9px 13px;
  border-left: 2px solid transparent;
  color: var(--mist);
  font-size: 0.86rem;
  text-decoration: none;
  transition: color 0.2s var(--ease), border-color 0.2s var(--ease);
}

.page-faq .faq-rail-link:hover,
.page-faq .faq-rail-link:focus-visible {
  color: var(--white);
  border-left-color: var(--cyan);
}

.page-faq .faq-rail-num {
  color: var(--ink-line);
  font-size: 11px;
  letter-spacing: 0.12em;
}

.page-faq .faq-rail-link:hover .faq-rail-num,
.page-faq .faq-rail-link:focus-visible .faq-rail-num {
  color: var(--cyan);
}

.page-faq .faq-rail-cta {
  display: inline-block;
  margin-top: 18px;
  color: var(--cyan);
  font-size: 0.8rem;
}

/* ---------- 问答区块 ---------- */
.page-faq .faq-block {
  padding: 36px 0 8px;
  border-top: 1px solid var(--ink-line);
}

.page-faq .faq-sections > .faq-block:first-child {
  border-top: 0;
  padding-top: 24px;
}

.page-faq .faq-block-head {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 12px;
}

.page-faq .faq-num {
  color: var(--orange);
  font-size: 12px;
  letter-spacing: 0.16em;
}

.page-faq .faq-block-head h2 {
  margin: 0;
  font-family: var(--font-display);
  font-size: clamp(1.32rem, 4.4vw, 1.95rem);
  font-weight: 700;
  line-height: 1.24;
  color: var(--white);
}

.page-faq .faq-block-lead {
  max-width: 56ch;
  margin: 12px 0 0;
  color: var(--mist);
  font-size: 0.94rem;
  line-height: 1.85;
}

.page-faq .faq-route {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  margin: 20px 0 0;
}

.page-faq .faq-route-node {
  padding: 4px 10px;
  border: 1px solid var(--ink-line);
  color: var(--mist);
  font-family: var(--font-data);
  font-size: 11px;
  letter-spacing: 0.08em;
}

.page-faq .faq-route-node.is-key {
  border-color: var(--cyan);
  background: var(--cyan);
  color: var(--cyan-ink);
}

.page-faq .faq-route-line {
  flex: 1 1 16px;
  min-width: 16px;
  height: 1px;
  background: linear-gradient(90deg, var(--ink-line), var(--cyan));
}

.page-faq .faq-figure {
  margin: 24px 0 4px;
}

.page-faq .faq-figure .media-frame {
  display: block;
  aspect-ratio: auto;
  overflow: hidden;
  border: 1px solid var(--ink-line);
  background: var(--ink-stand);
}

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

.page-faq .faq-figure .media-caption {
  margin-top: 8px;
  color: var(--mist);
  font-size: 0.78rem;
  line-height: 1.7;
}

.page-faq .faq-list {
  display: grid;
  gap: 10px;
  margin-top: 22px;
}

.page-faq .faq-item {
  border: 1px solid var(--ink-line);
  background: rgba(18, 52, 58, 0.5);
  transition: border-color 0.25s var(--ease), background 0.25s var(--ease);
}

.page-faq .faq-item[open] {
  border-color: var(--cyan);
  background: rgba(18, 52, 58, 0.88);
}

.page-faq .faq-q {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  padding: 15px 16px;
  color: var(--white);
  font-size: 0.95rem;
  font-weight: 600;
  line-height: 1.6;
  list-style: none;
  cursor: pointer;
}

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

.page-faq .faq-q::after {
  content: "+";
  margin-left: auto;
  padding-left: 12px;
  color: var(--cyan);
  font-family: var(--font-data);
  font-weight: 400;
}

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

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

.page-faq .faq-a {
  padding: 0 16px 16px;
  color: var(--mist);
  font-size: 0.9rem;
  line-height: 1.85;
}

.page-faq .faq-a p {
  margin: 0;
}

.page-faq .faq-block-more {
  margin: 20px 0 0;
}

.page-faq .faq-block-more .link-arrow {
  color: var(--cyan);
  font-size: 0.86rem;
}

.page-faq .faq-split {
  display: grid;
  gap: 20px;
}

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

/* ---------- 联系区块 ---------- */
.page-faq .faq-contact {
  padding-top: 44px;
  padding-bottom: 64px;
  border-top: 1px solid var(--ink-line);
}

.page-faq .faq-contact-panel {
  padding: clamp(22px, 5vw, 44px);
  background: var(--paper);
  color: var(--deep-text);
  clip-path: polygon(0 0, calc(100% - 26px) 0, 100% 26px, 100% 100%, 0 100%);
}

.page-faq .faq-contact-panel .faq-num {
  color: var(--mint);
}

.page-faq .faq-contact-panel h2 {
  color: var(--deep-text);
}

.page-faq .faq-contact-panel .faq-block-lead {
  color: #3c5b5e;
}

.page-faq .faq-contact-grid {
  display: grid;
  gap: 14px;
  margin: 22px 0 26px;
}

.page-faq .faq-contact-item {
  display: flex;
  flex-direction: column;
  gap: 4px;
  padding-top: 10px;
  border-top: 1px solid rgba(11, 38, 42, 0.16);
}

.page-faq .faq-contact-item span {
  color: var(--mint);
  font-size: 11px;
  letter-spacing: 0.14em;
}

.page-faq .faq-contact-item strong {
  font-size: 0.95rem;
  font-weight: 600;
  line-height: 1.6;
  word-break: break-word;
}

.page-faq .faq-contact-panel .faq-list {
  margin-top: 0;
  margin-bottom: 26px;
}

.page-faq .faq-contact-panel .faq-item {
  background: #ffffff;
  border-color: rgba(11, 38, 42, 0.14);
}

.page-faq .faq-contact-panel .faq-item[open] {
  border-color: var(--mint);
}

.page-faq .faq-contact-panel .faq-q {
  color: var(--deep-text);
}

.page-faq .faq-contact-panel .faq-q::after {
  color: var(--mint);
}

.page-faq .faq-contact-panel .faq-a {
  color: #3c5b5e;
}

.page-faq .faq-contact-panel .btn-primary {
  background: var(--ink-field);
  color: var(--white);
}

.page-faq .faq-contact-panel .btn-primary:hover,
.page-faq .faq-contact-panel .btn-primary:focus-visible {
  background: var(--mint);
  color: var(--white);
}

.page-faq .faq-contact-note {
  margin: 16px 0 0;
  color: #3c5b5e;
  font-size: 0.83rem;
  line-height: 1.7;
}

.page-faq .faq-contact-note .link-arrow {
  color: var(--mint);
}

/* ---------- 响应式 ---------- */
@media (min-width: 640px) {
  .page-faq .faq-hero {
    padding: 32px 0 56px;
  }

  .page-faq .faq-scene {
    padding: 20px 18px 18px;
  }

  .page-faq .faq-figure {
    margin: 28px 0 4px;
  }

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

  .page-faq .faq-list {
    gap: 12px;
  }

  .page-faq .faq-q {
    padding: 16px 20px;
  }

  .page-faq .faq-a {
    padding: 0 20px 18px;
  }
}

@media (min-width: 720px) {
  .page-faq .faq-scenes {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 14px;
  }
}

@media (min-width: 860px) {
  .page-faq .faq-split {
    grid-template-columns: minmax(0, 1fr) 300px;
    align-items: start;
    gap: 32px;
  }

  .page-faq .faq-split .faq-list {
    margin-top: 0;
  }
}

@media (min-width: 900px) {
  .page-faq .faq-hero-grid {
    grid-template-columns: minmax(0, 1.15fr) minmax(0, 0.85fr);
    align-items: end;
    gap: 48px;
  }

  .page-faq .faq-hero {
    padding: 40px 0 64px;
  }
}

@media (min-width: 1024px) {
  .page-faq .faq-layout {
    grid-template-columns: 200px minmax(0, 1fr);
    gap: 56px;
    padding-top: 16px;
  }

  .page-faq .faq-rail {
    display: block;
    position: sticky;
    top: calc(var(--header-h) + 32px);
    align-self: start;
    padding-top: 36px;
  }

  .page-faq .faq-sections > .faq-block:first-child {
    padding-top: 36px;
  }

  .page-faq .faq-block {
    padding: 52px 0 12px;
  }

  .page-faq .faq-scenes-section {
    padding: 56px 0 64px;
  }

  .page-faq .faq-contact {
    padding-top: 56px;
    padding-bottom: 80px;
  }

  .page-faq .faq-figure {
    margin: 30px 0 6px;
  }
}

@media (min-width: 1080px) {
  .page-faq .faq-scenes {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-faq .faq-scene,
  .page-faq .faq-item,
  .page-faq .faq-rail-link,
  .page-faq .breadcrumb-link {
    transition: none;
  }
}