.page-faq {
  --faq-rail: clamp(216px, 20vw, 268px);
  --faq-exit-edge: 30px;
  background: var(--paper);
  color: var(--ink);
  padding-block: clamp(18px, 2.6vw, 32px) clamp(52px, 7vw, 92px);
}

.page-faq .faq-shell {
  position: relative;
}

.page-faq img {
  max-width: 100%;
  height: auto;
}

/* ---------- 首屏 ---------- */

.page-faq .faq-hero {
  padding-bottom: clamp(24px, 3.6vw, 44px);
  border-bottom: 1px solid var(--line);
}

.page-faq .breadcrumbs {
  margin-bottom: clamp(18px, 2.6vw, 30px);
}

.page-faq .breadcrumbs ol {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 6px;
  margin: 0;
  padding: 0;
  list-style: none;
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: 0.04em;
  line-height: 1.5;
}

.page-faq .breadcrumbs li {
  display: inline-flex;
  align-items: center;
  color: var(--muted);
}

.page-faq .breadcrumbs li + li::before {
  content: "/";
  margin-right: 6px;
  color: var(--line);
}

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

.page-faq .breadcrumbs a:hover {
  border-bottom-color: var(--orange-deep);
}

.page-faq .breadcrumbs a:focus-visible {
  outline: 2px solid var(--orange);
  outline-offset: 3px;
}

.page-faq .faq-hero__grid {
  display: grid;
  gap: clamp(22px, 3.2vw, 44px);
}

.page-faq .faq-hero__copy,
.page-faq .faq-hero__media {
  min-width: 0;
}

.page-faq .faq-hero .eyebrow {
  margin: 0 0 12px;
  font-family: var(--mono);
  font-size: 12px;
  font-weight: 500;
  letter-spacing: 0.16em;
  color: var(--orange-deep);
}

.page-faq .faq-hero__title {
  margin: 0 0 clamp(12px, 1.8vw, 20px);
  font-family: var(--sans);
  font-size: clamp(40px, 8.4vw, 88px);
  font-weight: 900;
  line-height: 0.96;
  letter-spacing: -0.02em;
  color: var(--ink);
}

.page-faq .faq-hero__lede {
  margin: 0;
  max-width: 46ch;
  font-size: clamp(16px, 1.7vw, 18px);
  line-height: 1.8;
  color: var(--ink);
}

.page-faq .faq-hero__stats {
  display: flex;
  flex-wrap: wrap;
  gap: 12px clamp(24px, 3vw, 40px);
  margin: clamp(20px, 2.8vw, 32px) 0 0;
  padding: clamp(14px, 1.9vw, 20px) 0 0;
  border-top: 1px solid var(--line);
  list-style: none;
}

.page-faq .faq-hero__stats li {
  display: flex;
  align-items: baseline;
  gap: 8px;
}

.page-faq .faq-hero__num {
  font-family: var(--mono);
  font-size: clamp(24px, 3.2vw, 36px);
  font-weight: 900;
  line-height: 1;
  color: var(--orange);
  letter-spacing: -0.03em;
}

.page-faq .faq-hero__lbl {
  font-size: 13px;
  line-height: 1.5;
  color: var(--muted);
}

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

/* ---------- 主体两栏 ---------- */

.page-faq .faq-body {
  display: grid;
  gap: clamp(24px, 3.2vw, 40px);
  padding-top: clamp(26px, 3.8vw, 50px);
}

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

/* ---------- 左侧主题索引 ---------- */

.page-faq .faq-index__kicker {
  margin: 0 0 10px;
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.2em;
  color: var(--muted);
}

.page-faq .faq-index__list {
  display: flex;
  gap: 8px;
  margin: 0;
  padding: 0 2px 6px;
  list-style: none;
  overflow-x: auto;
  scrollbar-width: thin;
  -webkit-overflow-scrolling: touch;
}

.page-faq .faq-index__list > li {
  flex: 0 0 auto;
}

.page-faq .faq-index__link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 9px 14px;
  background: var(--paper-card);
  border: 1px solid var(--line);
  color: var(--ink);
  text-decoration: none;
  font-size: 14px;
  font-weight: 500;
  line-height: 1.4;
  white-space: nowrap;
  transition: border-color 0.18s var(--ease), background-color 0.18s var(--ease), color 0.18s var(--ease);
}

.page-faq .faq-index__link:hover {
  border-color: var(--orange);
  color: var(--orange-deep);
}

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

.page-faq .faq-index__num {
  font-family: var(--mono);
  font-size: 12px;
  font-weight: 700;
  color: var(--orange);
  letter-spacing: 0.02em;
}

/* ---------- 分组章节 ---------- */

.page-faq .faq-group {
  position: relative;
  padding-top: clamp(26px, 3.2vw, 40px);
  border-top: 1px solid var(--line);
  scroll-margin-top: 108px;
}

.page-faq .faq-group:first-child {
  padding-top: 0;
  border-top: 0;
}

.page-faq .faq-group__head {
  display: flex;
  align-items: baseline;
  gap: clamp(10px, 1.6vw, 16px);
  margin-bottom: 6px;
}

.page-faq .faq-group__num {
  font-family: var(--mono);
  font-size: clamp(30px, 5vw, 54px);
  font-weight: 900;
  line-height: 0.9;
  letter-spacing: -0.05em;
  color: var(--orange);
}

.page-faq .faq-group__title {
  margin: 0;
  font-size: clamp(20px, 2.5vw, 28px);
  font-weight: 800;
  line-height: 1.3;
  letter-spacing: -0.01em;
  color: var(--ink);
}

.page-faq .faq-group__note {
  margin: 0 0 clamp(14px, 2vw, 22px);
  font-size: 14px;
  line-height: 1.6;
  color: var(--muted);
}

.page-faq .faq-group:target .faq-group__title {
  text-decoration: underline;
  text-decoration-color: var(--orange);
  text-decoration-thickness: 3px;
  text-underline-offset: 7px;
}

/* ---------- 问答卡 ---------- */

.page-faq .faq-card {
  display: block;
  margin: 0 0 10px;
  background: var(--paper-card);
  border: 1px solid var(--line);
  border-left: 3px solid var(--line);
  transition: border-color 0.18s var(--ease), transform 0.18s var(--ease);
}

.page-faq .faq-card:hover {
  border-color: var(--orange);
  border-left-color: var(--orange);
  transform: translateY(-2px);
}

.page-faq .faq-card[open] {
  border-left-color: var(--lime);
  border-color: var(--line);
}

.page-faq .faq-card[open]:hover {
  border-left-color: var(--lime);
}

.page-faq .faq-card > summary {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  padding: 14px 16px;
  cursor: pointer;
  list-style: none;
  font-size: 15px;
  font-weight: 700;
  line-height: 1.55;
  color: var(--ink);
  transition: color 0.18s var(--ease);
}

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

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

.page-faq .faq-card > summary:hover {
  color: var(--orange-deep);
}

.page-faq .faq-card > summary:focus-visible {
  outline: 2px solid var(--orange);
  outline-offset: -2px;
}

.page-faq .faq-card__num {
  flex: none;
  min-width: 24px;
  padding-top: 2px;
  font-family: var(--mono);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.02em;
  color: var(--orange);
}

.page-faq .faq-card__text {
  flex: 1 1 auto;
  min-width: 0;
}

.page-faq .faq-card__mark {
  flex: none;
  position: relative;
  width: 14px;
  height: 14px;
  margin-top: 5px;
  margin-left: auto;
}

.page-faq .faq-card__mark::before,
.page-faq .faq-card__mark::after {
  content: "";
  position: absolute;
  background: var(--orange);
}

.page-faq .faq-card__mark::before {
  left: 0;
  right: 0;
  top: 6px;
  height: 2px;
}

.page-faq .faq-card__mark::after {
  top: 0;
  bottom: 0;
  left: 6px;
  width: 2px;
  transition: transform 0.2s var(--ease), opacity 0.2s var(--ease);
}

.page-faq .faq-card[open] .faq-card__mark::after {
  transform: scaleY(0);
  opacity: 0;
}

.page-faq .faq-card__a {
  padding: 0 18px 18px 54px;
}

.page-faq .faq-card__a p {
  margin: 0;
  font-size: 15px;
  line-height: 1.9;
  color: var(--ink);
}

.page-faq .faq-card__a a {
  color: var(--orange-deep);
  text-decoration: underline;
  text-decoration-thickness: 1px;
  text-underline-offset: 3px;
}

.page-faq .faq-card__a a:hover {
  text-decoration-thickness: 2px;
}

.page-faq .faq-card__a a:focus-visible {
  outline: 2px solid var(--orange);
  outline-offset: 2px;
}

/* ---------- 约球迷章节配图 ---------- */

.page-faq .faq-figure {
  margin: 0 0 clamp(16px, 2.2vw, 24px);
}

/* ---------- 页面底部联系出口 ---------- */

.page-faq .faq-exit {
  position: relative;
  margin-top: clamp(38px, 5.2vw, 68px);
  padding: clamp(26px, 3.2vw, 42px) clamp(22px, 3vw, 42px) clamp(26px, 3.2vw, 42px) clamp(26px, 3.6vw, 46px);
  background: var(--night);
  color: var(--paper);
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - var(--faq-exit-edge)), calc(100% - var(--faq-exit-edge)) 100%, 0 100%);
}

.page-faq .faq-exit::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0;
  bottom: 0;
  width: 5px;
  background: linear-gradient(180deg, var(--orange), var(--lime));
}

.page-faq .faq-exit__kicker {
  margin: 0 0 10px;
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.2em;
  color: var(--lime);
}

.page-faq .faq-exit__title {
  margin: 0 0 14px;
  font-size: clamp(22px, 3vw, 32px);
  font-weight: 800;
  line-height: 1.25;
  letter-spacing: -0.01em;
  color: #FFFDF7;
}

.page-faq .faq-exit__body {
  margin: 0 0 clamp(20px, 2.6vw, 28px);
  max-width: 64ch;
  font-size: 15px;
  line-height: 1.9;
  color: rgba(247, 242, 232, 0.84);
}

.page-faq .faq-exit__mono {
  font-family: var(--mono);
  font-size: 14px;
  color: var(--lime);
  word-break: break-all;
}

.page-faq .faq-exit__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.page-faq .faq-exit .btn--ghost {
  border-color: rgba(247, 242, 232, 0.38);
  color: var(--paper);
}

.page-faq .faq-exit .btn--ghost:hover {
  border-color: var(--lime);
  color: var(--lime);
}

/* ---------- 桌面布局 ---------- */

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

@media (min-width: 1024px) {
  .page-faq .faq-body {
    grid-template-columns: var(--faq-rail) minmax(0, 1fr);
    gap: clamp(32px, 4.5vw, 72px);
    align-items: start;
  }

  .page-faq .faq-index {
    position: sticky;
    top: 96px;
    align-self: start;
  }

  .page-faq .faq-index__list {
    flex-direction: column;
    gap: 2px;
    padding: 0;
    overflow: visible;
  }

  .page-faq .faq-index__list > li {
    flex: 1 1 auto;
  }

  .page-faq .faq-index__link {
    display: flex;
    width: 100%;
    padding: 10px 12px 10px 16px;
    background: transparent;
    border: 0;
    border-left: 3px solid var(--line);
    white-space: normal;
    font-size: 14px;
    line-height: 1.5;
  }

  .page-faq .faq-index__link:hover {
    border-left-color: var(--orange);
    background: rgba(255, 106, 26, 0.07);
    color: var(--ink);
  }

  .page-faq .faq-group:target::before {
    content: "";
    position: absolute;
    left: -20px;
    top: 0;
    bottom: 0;
    width: 3px;
    background: var(--lime);
  }
}

/* ---------- 窄屏微调 ---------- */

@media (max-width: 560px) {
  .page-faq .faq-card__a {
    padding-left: 16px;
  }

  .page-faq .faq-hero__stats {
    gap: 10px 20px;
  }

  .page-faq {
    --faq-exit-edge: 22px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-faq .faq-card,
  .page-faq .faq-index__link,
  .page-faq .faq-card__mark::after,
  .page-faq .faq-card > summary {
    transition: none;
  }

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