.page-faq {
  --faq-line: rgba(201, 162, 39, 0.22);
  --faq-surface: rgba(18, 49, 42, 0.66);
  --faq-surface-hover: rgba(28, 74, 60, 0.62);
  --faq-glow-a: rgba(46, 122, 95, 0.34);
  --faq-glow-b: rgba(201, 162, 39, 0.16);
  padding-bottom: clamp(40px, 8vw, 90px);
}

/* 面包屑 */
.page-faq .breadcrumb {
  padding-block: 18px 4px;
  font-size: 0.84rem;
}

/* 首屏 */
.page-faq .faq-hero {
  position: relative;
  padding-top: clamp(10px, 2vw, 22px);
  padding-bottom: clamp(26px, 5vw, 54px);
}

.page-faq .faq-hero::before {
  content: "";
  position: absolute;
  inset: -30px 0 auto 0;
  height: clamp(320px, 46vw, 520px);
  background:
    radial-gradient(58% 100% at 16% 0%, var(--faq-glow-a), transparent 72%),
    radial-gradient(48% 100% at 92% 6%, var(--faq-glow-b), transparent 74%);
  pointer-events: none;
  z-index: 0;
}

.page-faq .faq-hero-grid {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 28px;
  align-items: start;
}

.page-faq .faq-hero-main h1 {
  margin: 12px 0 18px;
  font-family: var(--font-display);
  font-size: clamp(1.95rem, 7vw, 3.4rem);
  line-height: 1.16;
  letter-spacing: -0.02em;
  color: var(--paper);
}

.page-faq .faq-hl {
  color: var(--gold-soft);
  background-image: linear-gradient(to top, rgba(201, 162, 39, 0.26) 0.28em, transparent 0.28em);
  background-repeat: no-repeat;
  background-size: 100% 100%;
}

.page-faq .faq-lead {
  max-width: 56ch;
  margin: 0 0 12px;
  font-size: clamp(1rem, 2.2vw, 1.12rem);
  line-height: 1.82;
  color: var(--mist);
}

.page-faq .faq-lead--sub {
  font-size: clamp(0.94rem, 2vw, 1rem);
  color: var(--ash);
}

.page-faq .faq-hero-btn {
  margin-top: 24px;
  align-items: center;
}

.page-faq .faq-hero-btn .btn--gold {
  animation: faq-breathe 4.6s var(--ease) infinite;
}

@keyframes faq-breathe {
  0%, 100% { box-shadow: 0 0 0 0 rgba(201, 162, 39, 0); }
  50% { box-shadow: 0 0 0 6px rgba(201, 162, 39, 0.16); }
}

.page-faq .faq-hero-alt {
  margin: 16px 0 0;
  font-size: 0.9rem;
  color: var(--ash);
}

.page-faq .faq-hero-alt a {
  color: var(--gold-soft);
  text-decoration: none;
  border-bottom: 1px solid var(--line-gold);
  padding-bottom: 1px;
  transition: border-color 0.25s var(--ease), color 0.25s var(--ease);
}

.page-faq .faq-hero-alt a:hover,
.page-faq .faq-hero-alt a:focus-visible {
  color: var(--paper);
  border-bottom-color: var(--gold-soft);
}

/* 首屏侧面板 */
.page-faq .faq-hero-aside {
  padding: 16px;
  border-radius: var(--radius-l);
}

.page-faq .faq-visual {
  margin: 0 0 14px;
  border-radius: var(--radius-m);
  overflow: hidden;
}

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

.page-faq .faq-aside-text {
  margin: 8px 0 0;
  font-size: 0.9rem;
  line-height: 1.78;
  color: var(--mist);
}

/* 分类入口 */
.page-faq .faq-triage-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 14px;
  margin-top: 26px;
}

.page-faq .faq-tile {
  display: flex;
  gap: 16px;
  align-items: flex-start;
  padding: 20px 22px;
  border: 1px solid var(--faq-line);
  border-radius: var(--radius-m);
  background: var(--faq-surface);
  color: var(--paper);
  text-decoration: none;
  transition: transform 0.28s var(--ease), border-color 0.28s var(--ease),
    background 0.28s var(--ease), box-shadow 0.28s var(--ease);
}

.page-faq .faq-tile:hover,
.page-faq .faq-tile:focus-visible {
  transform: translateY(-4px);
  border-color: var(--gold);
  background: var(--faq-surface-hover);
  box-shadow: var(--shadow-soft);
}

.page-faq .faq-tile-num {
  flex: 0 0 auto;
  padding-top: 3px;
  font-size: 0.92rem;
  color: var(--gold-soft);
}

.page-faq .faq-tile-text {
  display: block;
}

.page-faq .faq-tile-text strong {
  display: block;
  margin-bottom: 7px;
  font-size: 1.02rem;
  font-weight: 600;
  letter-spacing: 0.01em;
}

.page-faq .faq-tile-text > span {
  display: block;
  font-size: 0.88rem;
  line-height: 1.7;
  color: var(--ash);
}

/* 问答分组 */
.page-faq .faq-group {
  margin-top: clamp(34px, 6vw, 62px);
  scroll-margin-top: calc(var(--header-h) + 26px);
}

.page-faq .faq-group:first-child {
  margin-top: clamp(10px, 2vw, 18px);
}

.page-faq .faq-group-index {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 0.78rem;
  letter-spacing: 0.16em;
  color: var(--gold);
}

.page-faq .faq-group-head h2 {
  margin: 8px 0 10px;
  font-family: var(--font-display);
  font-size: clamp(1.35rem, 3.2vw, 1.85rem);
  line-height: 1.3;
  letter-spacing: -0.01em;
  color: var(--paper);
}

.page-faq .faq-group-head p {
  margin: 0;
  font-size: 0.9rem;
  line-height: 1.8;
  color: var(--ash);
}

.page-faq .faq-list {
  margin-top: 18px;
  border-top: 1px solid var(--line-soft);
}

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

.page-faq .faq-q summary {
  position: relative;
  list-style: none;
  cursor: pointer;
  padding: 18px 46px 18px 0;
  font-size: 1rem;
  line-height: 1.6;
  color: var(--paper);
  transition: color 0.22s var(--ease);
}

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

.page-faq .faq-q summary::marker {
  content: "";
}

.page-faq .faq-q summary::after {
  content: "+";
  position: absolute;
  top: 50%;
  right: 8px;
  transform: translateY(-50%);
  font-family: var(--font-mono);
  font-size: 1.2rem;
  line-height: 1;
  color: var(--gold-soft);
  transition: transform 0.26s var(--ease), color 0.26s var(--ease);
}

.page-faq .faq-q[open] summary::after {
  transform: translateY(-50%) rotate(45deg);
  color: var(--cinnabar);
}

.page-faq .faq-q summary:hover,
.page-faq .faq-q summary:focus-visible {
  color: var(--gold-soft);
}

.page-faq .faq-a {
  padding: 0 0 22px;
  max-width: 64ch;
  font-size: 0.94rem;
  line-height: 1.86;
  color: var(--mist);
}

/* 底部求助 */
.page-faq .faq-cta-inner {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 24px;
  padding: clamp(20px, 4vw, 36px);
  border: 1px solid var(--line-gold-strong);
  border-radius: var(--radius-l);
}

.page-faq .faq-cta-media {
  margin: 0;
  border-radius: var(--radius-m);
  overflow: hidden;
}

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

.page-faq .faq-cta-copy h2 {
  margin: 8px 0 12px;
  font-family: var(--font-display);
  font-size: clamp(1.3rem, 3vw, 1.75rem);
  line-height: 1.32;
  color: var(--paper);
}

.page-faq .faq-cta-copy p {
  margin: 0 0 16px;
  font-size: 0.94rem;
  line-height: 1.82;
  color: var(--mist);
}

.page-faq .faq-channels {
  margin: 0 0 20px;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 10px;
}

.page-faq .faq-channels li {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  align-items: baseline;
  padding-bottom: 9px;
  border-bottom: 1px dashed var(--line-soft);
}

.page-faq .faq-channel-key {
  flex: 0 0 auto;
  min-width: 44px;
  font-size: 0.78rem;
  letter-spacing: 0.1em;
  color: var(--gold);
}

.page-faq .faq-channel-val {
  font-size: 0.9rem;
  color: var(--paper);
  word-break: break-word;
}

.page-faq .faq-cta-btn {
  margin-top: 4px;
}

/* 平板与桌面 */
@media (min-width: 760px) {
  .page-faq .faq-triage-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 16px;
  }

  .page-faq .faq-q summary {
    font-size: 1.04rem;
    padding-right: 54px;
  }
}

@media (min-width: 900px) {
  .page-faq .faq-hero-grid {
    grid-template-columns: minmax(0, 1.28fr) minmax(0, 0.72fr);
    gap: clamp(28px, 4vw, 56px);
    align-items: start;
  }

  .page-faq .faq-hero-aside {
    margin-top: 34px;
    padding: 20px;
  }

  .page-faq .faq-triage-grid {
    grid-template-columns: repeat(12, minmax(0, 1fr));
    gap: 18px;
  }

  .page-faq .faq-tile:nth-child(1) {
    grid-column: 1 / span 7;
  }

  .page-faq .faq-tile:nth-child(2) {
    grid-column: 8 / span 5;
    margin-top: 26px;
  }

  .page-faq .faq-tile:nth-child(3) {
    grid-column: 1 / span 5;
  }

  .page-faq .faq-tile:nth-child(4) {
    grid-column: 6 / span 7;
    margin-top: 10px;
  }

  .page-faq .faq-group {
    display: grid;
    grid-template-columns: 250px minmax(0, 1fr);
    gap: clamp(24px, 4vw, 52px);
    align-items: start;
  }

  .page-faq .faq-group-head {
    position: sticky;
    top: calc(var(--header-h) + 28px);
  }

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

  .page-faq .faq-cta-inner {
    grid-template-columns: minmax(0, 280px) minmax(0, 1fr);
    align-items: center;
    gap: clamp(24px, 4vw, 44px);
  }
}

@media (min-width: 1120px) {
  .page-faq .faq-group {
    grid-template-columns: 300px minmax(0, 1fr);
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-faq .faq-hero-btn .btn--gold {
    animation: none;
  }

  .page-faq .faq-tile,
  .page-faq .faq-q summary::after {
    transition: none;
  }

  .page-faq .faq-tile:hover,
  .page-faq .faq-tile:focus-visible {
    transform: none;
  }
}