.page-faq {
  --faq-rail: 236px;
  --faq-text: rgba(244, 241, 230, .84);
  --faq-muted: var(--c-rock);
}

.page-faq .breadcrumbs {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  font-family: var(--font-mono);
  font-size: .76rem;
  letter-spacing: .04em;
  color: var(--faq-muted);
}

.page-faq .breadcrumbs a {
  color: var(--faq-muted);
  text-decoration: none;
}

.page-faq .breadcrumbs a:hover {
  color: var(--c-cyan);
}

.page-faq .breadcrumbs__sep {
  opacity: .55;
}

/* ---------- 首屏 ---------- */

.page-faq .faq-hero {
  position: relative;
  z-index: 0;
  overflow: hidden;
  padding: clamp(28px, 6vw, 64px) 0 clamp(30px, 5vw, 56px);
}

.page-faq .faq-hero::before {
  content: "";
  position: absolute;
  z-index: -1;
  inset: -32% -12% auto 34%;
  height: 150%;
  background: linear-gradient(142deg, rgba(23, 90, 58, .88), rgba(14, 42, 32, .28) 58%, rgba(6, 20, 15, 0) 78%);
  clip-path: polygon(20% 0, 100% 0, 100% 100%, 0 64%);
  pointer-events: none;
}

.page-faq .faq-hero__eyebrow {
  margin: 22px 0 12px;
  font-family: var(--font-mono);
  font-size: .78rem;
  letter-spacing: .22em;
  text-transform: uppercase;
  color: var(--c-cyan);
}

.page-faq .faq-hero__title {
  margin: 0;
  max-width: 22ch;
  font-family: var(--font-serif);
  font-weight: 700;
  font-size: clamp(2.1rem, 5vw, 4rem);
  line-height: 1.14;
  color: var(--c-cream);
}

.page-faq .faq-hero__lead {
  margin: 18px 0 0;
  max-width: 60ch;
  font-size: 1.05rem;
  line-height: 1.78;
  color: var(--faq-text);
}

.page-faq .faq-hero__chips {
  list-style: none;
  margin: 24px 0 0;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

/* ---------- 主体分栏 ---------- */

.page-faq .faq-layout {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(22px, 4vw, 44px);
  padding-bottom: clamp(48px, 8vw, 96px);
}

.page-faq .faq-toc {
  border: 2px solid var(--line-soft);
  border-radius: var(--radius-card);
  background: var(--c-panel);
  box-shadow: var(--shadow-card);
  padding: 14px 12px;
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
}

.page-faq .faq-toc__title {
  margin: 0 0 10px;
  font-family: var(--font-mono);
  font-size: .72rem;
  letter-spacing: .2em;
  text-transform: uppercase;
  color: var(--faq-muted);
}

.page-faq .faq-toc .chapter-nav {
  display: flex;
  flex-direction: row;
  gap: 6px;
}

.page-faq .faq-toc .chapter-nav__link {
  display: block;
  flex: 0 0 auto;
  padding: 8px 14px;
  border-radius: var(--radius-pill);
  border: 1px solid transparent;
  font-size: .9rem;
  white-space: nowrap;
  color: var(--faq-muted);
  text-decoration: none;
  transition: color .2s var(--ease), background-color .2s var(--ease), border-color .2s var(--ease);
}

.page-faq .faq-toc .chapter-nav__link:hover {
  color: var(--c-cream);
  background: rgba(56, 245, 198, .09);
}

.page-faq .faq-toc .chapter-nav__link.is-active {
  color: var(--c-bg);
  background: var(--c-cyan);
  border-color: var(--c-cyan);
}

.page-faq .faq-body {
  min-width: 0;
}

/* ---------- 章节 ---------- */

.page-faq .faq-section {
  padding: clamp(26px, 4vw, 40px) 0;
  border-top: 2px solid var(--line-soft);
}

.page-faq .faq-section--last {
  border-bottom: 2px solid var(--line-soft);
}

.page-faq .faq-section__head {
  display: flex;
  align-items: baseline;
  gap: 14px;
  margin-bottom: 14px;
}

.page-faq .faq-section__num {
  font-family: var(--font-mono);
  font-size: .82rem;
  letter-spacing: .12em;
  color: var(--c-cyan);
}

.page-faq .faq-section__title {
  margin: 0;
  font-family: var(--font-serif);
  font-weight: 700;
  font-size: clamp(1.35rem, 2.6vw, 2rem);
  line-height: 1.24;
  color: var(--c-cream);
}

.page-faq .faq-section__lead {
  margin: 0 0 clamp(18px, 2.6vw, 26px);
  max-width: 62ch;
  font-size: 1rem;
  line-height: 1.78;
  color: var(--faq-text);
}

/* ---------- 步骤 ---------- */

.page-faq .steps {
  list-style: none;
  margin: 0 0 clamp(22px, 3vw, 30px);
  padding: 0;
  display: grid;
  gap: 12px;
}

.page-faq .steps__item {
  display: grid;
  grid-template-columns: 44px minmax(0, 1fr);
  gap: 14px;
  padding: clamp(15px, 2vw, 20px);
  border: 2px solid var(--line-soft);
  border-radius: var(--radius-card);
  background: var(--c-panel);
  transition: transform .25s var(--ease), border-color .25s var(--ease), box-shadow .25s var(--ease);
}

.page-faq .steps__item:hover {
  transform: translateY(-3px);
  border-color: var(--c-cyan);
  box-shadow: var(--shadow-card);
}

.page-faq .steps__num {
  font-family: var(--font-mono);
  font-size: 1.3rem;
  font-weight: 700;
  line-height: 1;
  padding-top: 4px;
  color: var(--c-cyan);
}

.page-faq .steps__title {
  margin: 0 0 6px;
  font-family: var(--font-serif);
  font-size: 1.12rem;
  font-weight: 700;
  color: var(--c-cream);
}

.page-faq .steps__body p {
  margin: 0;
  line-height: 1.74;
  color: var(--faq-text);
}

/* ---------- 图片 ---------- */

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

.page-faq .figure__media img {
  display: block;
  width: 100%;
  height: auto;
  border: 2px solid var(--line-soft);
  border-radius: var(--radius-card);
  background: var(--c-panel);
  object-fit: cover;
}

.page-faq .figure__caption {
  margin-top: 10px;
  font-family: var(--font-mono);
  font-size: .76rem;
  letter-spacing: .03em;
  color: var(--faq-muted);
}

/* ---------- 卡片 ---------- */

.page-faq .faq-cards {
  margin-bottom: clamp(18px, 2.6vw, 26px);
}

.page-faq .faq-note {
  padding: clamp(16px, 2.2vw, 22px);
  border: 2px solid var(--line-soft);
  border-radius: var(--radius-card);
  background: var(--c-panel);
  box-shadow: var(--shadow-card);
}

.page-faq .faq-note__kicker {
  margin: 0 0 8px;
  font-family: var(--font-mono);
  font-size: .74rem;
  letter-spacing: .14em;
  text-transform: uppercase;
  color: var(--c-cyan);
}

.page-faq .faq-note__title {
  margin: 0 0 8px;
  font-size: 1.06rem;
  font-weight: 700;
  line-height: 1.45;
  color: var(--c-cream);
}

.page-faq .faq-note p {
  margin: 0;
  line-height: 1.74;
  color: var(--faq-text);
}

.page-faq .callout {
  margin: clamp(6px, 1vw, 10px) 0 0;
  padding: 16px 20px 16px 22px;
  border-left: 6px solid var(--c-hot);
  border-radius: 0 var(--radius-card) var(--radius-card) 0;
  background: linear-gradient(90deg, rgba(255, 75, 43, .18), rgba(255, 75, 43, 0) 74%);
  font-size: 1rem;
  line-height: 1.74;
  color: var(--c-cream);
}

.page-faq .callout--hot {
  border-left-color: var(--c-clay);
  background: linear-gradient(90deg, rgba(217, 107, 59, .2), rgba(217, 107, 59, 0) 74%);
}

/* ---------- 追比分 ---------- */

.page-faq .faq-follow {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(18px, 3vw, 28px);
  align-items: start;
}

.page-faq .faq-follow__text p {
  margin: 0 0 14px;
  line-height: 1.78;
  color: var(--faq-text);
}

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

.page-faq .faq-follow__more .link {
  color: var(--c-cyan);
  text-decoration: none;
  border-bottom: 2px solid var(--line-cyan);
  padding-bottom: 2px;
}

.page-faq .faq-follow__more .link:hover {
  border-bottom-color: var(--c-cyan);
}

/* ---------- 中国区通道 ---------- */

.page-faq .faq-china {
  display: grid;
  grid-template-columns: 1fr;
  gap: 18px;
  padding: clamp(18px, 2.6vw, 26px);
  border: 2px solid var(--line-cyan);
  border-radius: var(--radius-card);
  background: linear-gradient(120deg, rgba(14, 42, 32, .95), rgba(6, 20, 15, .72));
}

.page-faq .faq-china__body p {
  margin: 0 0 14px;
  line-height: 1.78;
  color: var(--faq-text);
}

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

.page-faq .faq-china__more .link {
  color: var(--c-cyan);
  text-decoration: none;
  border-bottom: 2px solid var(--line-cyan);
  padding-bottom: 2px;
}

.page-faq .faq-china__stat {
  display: flex;
  align-items: baseline;
  gap: 8px;
  padding-top: 6px;
}

.page-faq .faq-china__num {
  font-family: var(--font-display);
  font-size: clamp(3rem, 7vw, 4.6rem);
  font-weight: 800;
  line-height: .9;
  letter-spacing: -.02em;
  color: var(--c-hot);
}

.page-faq .faq-china__unit {
  font-family: var(--font-mono);
  font-size: .86rem;
  color: var(--faq-muted);
}

/* ---------- 异常反馈 ---------- */

.page-faq .faq-support {
  display: grid;
  grid-template-columns: 1fr;
  gap: 14px;
  margin-bottom: clamp(16px, 2.4vw, 24px);
}

.page-faq .faq-support__box {
  padding: clamp(16px, 2.2vw, 22px);
  border: 2px solid var(--line-soft);
  border-radius: var(--radius-card);
  background: var(--c-panel);
}

.page-faq .faq-support__kicker {
  margin: 0 0 8px;
  font-family: var(--font-mono);
  font-size: .74rem;
  letter-spacing: .14em;
  text-transform: uppercase;
  color: var(--c-clay);
}

.page-faq .faq-support__box p {
  margin: 0 0 10px;
  line-height: 1.76;
  color: var(--faq-text);
}

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

.page-faq .faq-support__value {
  font-family: var(--font-mono);
  font-size: .95rem;
  color: var(--c-cream);
  background: rgba(56, 245, 198, .1);
  padding: 2px 7px;
  border-radius: 6px;
  word-break: break-all;
}

.page-faq .faq-support__more .link {
  color: var(--c-cyan);
  text-decoration: none;
  border-bottom: 2px solid var(--line-cyan);
  padding-bottom: 2px;
}

/* ---------- 折叠问答 ---------- */

.page-faq .qa-list {
  display: grid;
  gap: 10px;
  margin: 0;
}

.page-faq .qa {
  border: 2px solid var(--line-soft);
  border-radius: var(--radius-card);
  background: var(--c-panel);
  overflow: hidden;
  transition: border-color .25s var(--ease);
}

.page-faq .qa[open] {
  border-color: var(--line-cyan);
}

.page-faq .qa__q {
  display: flex;
  gap: 12px;
  align-items: baseline;
  padding: 15px 18px;
  cursor: pointer;
  list-style: none;
  font-size: 1rem;
  font-weight: 600;
  line-height: 1.6;
  color: var(--c-cream);
}

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

.page-faq .qa__q::after {
  content: "+";
  margin-left: auto;
  flex: 0 0 auto;
  font-family: var(--font-mono);
  font-size: 1.1rem;
  color: var(--c-cyan);
}

.page-faq .qa[open] .qa__q::after {
  content: "\2212";
  color: var(--c-hot);
}

.page-faq .qa__idx {
  flex: 0 0 auto;
  font-family: var(--font-mono);
  font-size: .76rem;
  color: var(--faq-muted);
}

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

.page-faq .qa__a p {
  margin: 0;
  line-height: 1.78;
  color: var(--faq-text);
}

/* ---------- 桌面 ---------- */

@media (min-width: 1024px) {
  .page-faq .faq-layout {
    grid-template-columns: var(--faq-rail) minmax(0, 1fr);
    align-items: start;
  }

  .page-faq .faq-toc {
    position: sticky;
    top: 104px;
    overflow: visible;
  }

  .page-faq .faq-toc .chapter-nav {
    flex-direction: column;
    gap: 2px;
  }

  .page-faq .faq-toc .chapter-nav__link {
    border-radius: 0 10px 10px 0;
    border: 0;
    border-left: 3px solid transparent;
    padding: 9px 12px;
    white-space: normal;
  }

  .page-faq .faq-toc .chapter-nav__link.is-active {
    color: var(--c-cyan);
    background: rgba(56, 245, 198, .12);
    border-left-color: var(--c-cyan);
  }

  .page-faq .faq-follow {
    grid-template-columns: minmax(0, 1.05fr) minmax(0, .95fr);
  }

  .page-faq .faq-china {
    grid-template-columns: minmax(0, 1fr) auto;
    align-items: center;
  }

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

@media (min-width: 1440px) {
  .page-faq .faq-body {
    max-width: 940px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-faq .steps__item,
  .page-faq .qa,
  .page-faq .faq-toc .chapter-nav__link {
    transition: none;
  }

  .page-faq .steps__item:hover {
    transform: none;
  }
}