.page-faq {
  --faq-glow: rgba(47, 227, 206, 0.13);
  --faq-card-bg: rgba(20, 36, 62, 0.6);
  display: block;
  padding-bottom: clamp(48px, 8vw, 96px);
}

/* ---------- 封面 ---------- */
.page-faq .faq-hero {
  position: relative;
  isolation: isolate;
  overflow: hidden;
  padding: calc(var(--header-h) + clamp(32px, 6vw, 76px)) 0 clamp(28px, 4.5vw, 54px);
  border-bottom: 1px solid var(--line);
  background:
    radial-gradient(112% 84% at 86% 0%, var(--faq-glow), transparent 62%),
    linear-gradient(158deg, var(--night) 0%, var(--void) 74%);
}

.page-faq .faq-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: 1;
  pointer-events: none;
  background-image: repeating-linear-gradient(
    90deg,
    rgba(47, 227, 206, 0.075) 0 1px,
    transparent 1px 88px
  );
  -webkit-mask-image: linear-gradient(180deg, #000 0%, transparent 90%);
  mask-image: linear-gradient(180deg, #000 0%, transparent 90%);
}

.page-faq .faq-hero::after {
  content: "";
  position: absolute;
  z-index: 1;
  right: -6%;
  top: 24%;
  width: 46%;
  height: 1px;
  pointer-events: none;
  background: linear-gradient(90deg, transparent, var(--cyan));
  opacity: 0.42;
  transform: rotate(-13deg);
}

.page-faq .faq-hero .shell {
  position: relative;
  z-index: 2;
}

.page-faq .faq-hero .breadcrumb {
  margin-bottom: clamp(18px, 3vw, 28px);
}

.page-faq .faq-hero h1 {
  margin: 0 0 18px;
  max-width: 22ch;
  font-family: var(--font-display);
  font-size: clamp(30px, 5.4vw, 56px);
  font-weight: 700;
  line-height: 1.12;
  letter-spacing: -0.012em;
  color: var(--silver);
}

.page-faq .faq-lede {
  margin: 0;
  max-width: 62ch;
  font-size: 17px;
  line-height: 1.76;
  color: var(--mist);
}

.page-faq .faq-quick {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: clamp(22px, 3vw, 32px);
}

.page-faq .faq-quick-link {
  display: inline-flex;
  align-items: center;
  padding: 9px 18px;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: rgba(7, 14, 28, 0.55);
  color: var(--silver);
  font-size: 15px;
  line-height: 1;
  text-decoration: none;
  transition:
    border-color var(--t-fast) var(--ease),
    background-color var(--t-fast) var(--ease),
    color var(--t-fast) var(--ease);
}

.page-faq .faq-quick-link:hover {
  border-color: var(--cyan);
  background: rgba(47, 227, 206, 0.1);
  color: var(--cyan);
}

.page-faq .faq-quick-link:focus-visible {
  outline: 2px solid var(--cyan);
  outline-offset: 3px;
}

/* ---------- 主体栅格 ---------- */
.page-faq .faq-shell {
  display: grid;
  gap: clamp(26px, 4vw, 44px);
  padding-top: clamp(34px, 5.5vw, 60px);
}

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

/* ---------- 顶部横幅 ---------- */
.page-faq .faq-banner {
  margin: 0 0 clamp(24px, 4vw, 40px);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  overflow: hidden;
  background: var(--board);
  aspect-ratio: 21 / 9;
}

.page-faq .faq-banner img {
  display: block;
  width: 100%;
  height: 100%;
  max-width: 100%;
  object-fit: cover;
  opacity: 0.92;
}

/* ---------- 分类标签 ---------- */
.page-faq .faq-main-title {
  margin: 0 0 16px;
  font-family: var(--font-sans);
  font-size: 20px;
  font-weight: 800;
  line-height: 1.3;
  color: var(--silver);
}

.page-faq .faq-tabs {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: clamp(18px, 3vw, 26px);
  padding-bottom: clamp(18px, 3vw, 26px);
  border-bottom: 1px solid var(--line);
}

.page-faq .tab {
  appearance: none;
  -webkit-appearance: none;
  margin: 0;
  padding: 10px 16px;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: transparent;
  color: var(--mist);
  font-family: var(--font-sans);
  font-size: 15px;
  font-weight: 600;
  line-height: 1;
  cursor: pointer;
  white-space: nowrap;
  transition:
    color var(--t-fast) var(--ease),
    border-color var(--t-fast) var(--ease),
    background-color var(--t-fast) var(--ease);
}

.page-faq .tab:hover {
  color: var(--silver);
  border-color: var(--cyan-deep);
}

.page-faq .tab[aria-selected="true"] {
  background: var(--cyan);
  border-color: var(--cyan);
  color: var(--night);
}

.page-faq .tab:focus-visible {
  outline: 2px solid var(--cyan);
  outline-offset: 3px;
}

/* ---------- 问答列表 ---------- */
.page-faq .faq-panel-note {
  margin: 0 0 4px;
  font-size: 15px;
  line-height: 1.7;
  color: var(--mist);
}

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

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

.page-faq .faq-q {
  margin: 0;
  font-size: inherit;
  font-weight: inherit;
}

.page-faq .faq-trigger {
  display: grid;
  grid-template-columns: 26px minmax(0, 1fr) 16px;
  gap: 6px 10px;
  align-items: start;
  width: 100%;
  margin: 0;
  padding: 18px 2px;
  border: 0;
  background: none;
  color: var(--silver);
  font-family: var(--font-sans);
  font-size: 16px;
  font-weight: 600;
  line-height: 1.55;
  text-align: left;
  cursor: pointer;
  transition: color var(--t-fast) var(--ease);
}

.page-faq .faq-trigger:hover {
  color: var(--cyan);
}

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

.page-faq .faq-num {
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 400;
  line-height: 1.9;
  letter-spacing: 0.04em;
  font-variant-numeric: tabular-nums;
  color: var(--cyan);
  opacity: 0.5;
  transition: opacity var(--t-fast) var(--ease);
}

.page-faq .faq-trigger[aria-expanded="true"] .faq-num {
  opacity: 1;
}

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

.page-faq .faq-sign {
  position: relative;
  align-self: center;
  width: 13px;
  height: 13px;
  justify-self: end;
}

.page-faq .faq-sign::before,
.page-faq .faq-sign::after {
  content: "";
  position: absolute;
  left: 0;
  top: 50%;
  width: 100%;
  height: 1.5px;
  background: var(--cyan);
  transform: translateY(-50%);
  transition: transform var(--t-fast) var(--ease), opacity var(--t-fast) var(--ease);
}

.page-faq .faq-sign::after {
  transform: translateY(-50%) rotate(90deg);
}

.page-faq .faq-trigger[aria-expanded="true"] .faq-sign::after {
  transform: translateY(-50%) rotate(0deg);
  opacity: 0;
}

.page-faq .faq-a {
  display: grid;
  grid-template-rows: 1fr;
  transition: grid-template-rows var(--t-slow) var(--ease);
}

.page-faq .faq-a > * {
  min-height: 0;
  overflow: hidden;
}

html[data-reveal-ready] .page-faq .faq-trigger[aria-expanded="false"] + .faq-a {
  grid-template-rows: 0fr;
}

.page-faq .faq-answer {
  padding: 0 2px 24px;
  color: var(--mist);
  font-size: 16px;
  line-height: 1.78;
}

.page-faq .faq-answer p {
  margin: 0 0 10px;
}

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

.page-faq .faq-answer a {
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px solid rgba(47, 227, 206, 0.38);
  transition: border-color var(--t-fast) var(--ease), color var(--t-fast) var(--ease);
}

.page-faq .faq-answer a:hover {
  color: var(--silver);
  border-bottom-color: var(--silver);
}

/* 控球率条目内的信息图 */
.page-faq .faq-answer.faq-split {
  display: grid;
  gap: 20px;
  max-width: none;
}

.page-faq .faq-figure {
  margin: 0;
  max-width: 260px;
}

.page-faq .faq-figure img {
  display: block;
  width: 100%;
  height: auto;
  max-width: 100%;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--board);
}

.page-faq .faq-figure figcaption {
  margin-top: 10px;
  font-size: 13px;
  line-height: 1.6;
  color: var(--mist);
}

/* ---------- 侧栏 ---------- */
.page-faq .faq-rail {
  display: grid;
  gap: 16px;
  align-content: start;
  min-width: 0;
}

.page-faq .faq-rail-card {
  padding: 18px 18px 20px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: linear-gradient(180deg, var(--faq-card-bg), rgba(12, 24, 48, 0.72));
}

.page-faq .faq-rail-title {
  margin: 0 0 14px;
  font-family: var(--font-sans);
  font-size: 13px;
  font-weight: 800;
  letter-spacing: 0.08em;
  color: var(--cyan);
}

.page-faq .faq-rail-links,
.page-faq .faq-rail-facts {
  list-style: none;
  margin: 0;
  padding: 0;
}

.page-faq .faq-rail-links li + li {
  border-top: 1px solid var(--line);
}

.page-faq .faq-rail-links a {
  display: flex;
  align-items: baseline;
  gap: 10px;
  padding: 11px 2px;
  color: var(--silver);
  font-size: 15px;
  text-decoration: none;
  transition: color var(--t-fast) var(--ease), padding-left var(--t-fast) var(--ease);
}

.page-faq .faq-rail-links a:hover {
  color: var(--cyan);
  padding-left: 6px;
}

.page-faq .faq-rail-num {
  font-family: var(--font-mono);
  font-size: 12px;
  font-variant-numeric: tabular-nums;
  color: var(--cyan);
  opacity: 0.6;
}

.page-faq .faq-rail-facts {
  display: grid;
  gap: 10px;
}

.page-faq .faq-rail-facts li {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 12px;
  font-size: 14px;
  line-height: 1.5;
}

.page-faq .faq-rail-key {
  color: var(--mist);
}

.page-faq .faq-rail-val {
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  color: var(--cyan);
  white-space: nowrap;
}

/* ---------- 兜底联系区 ---------- */
.page-faq .faq-fallback {
  margin-top: clamp(40px, 6vw, 72px);
  padding: clamp(24px, 4vw, 40px);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background:
    radial-gradient(120% 130% at 100% 0%, var(--faq-glow), transparent 58%),
    linear-gradient(150deg, var(--board) 0%, var(--void) 100%);
}

.page-faq .faq-fallback h2 {
  margin: 0 0 14px;
  font-family: var(--font-display);
  font-size: clamp(22px, 3.4vw, 28px);
  font-weight: 700;
  line-height: 1.25;
  letter-spacing: -0.005em;
  color: var(--silver);
}

.page-faq .faq-fallback-lede {
  margin: 0 0 22px;
  max-width: 62ch;
  font-size: 16px;
  line-height: 1.76;
  color: var(--mist);
}

.page-faq .faq-contact-list {
  list-style: none;
  margin: 0 0 20px;
  padding: 0;
  display: grid;
  gap: 10px;
  border-top: 1px solid var(--line);
  padding-top: 20px;
}

.page-faq .faq-contact-list li {
  display: flex;
  flex-wrap: wrap;
  gap: 4px 16px;
  font-size: 15px;
  line-height: 1.7;
}

.page-faq .faq-contact-list span {
  min-width: 68px;
  flex: none;
  color: var(--mist);
}

.page-faq .faq-contact-list strong {
  min-width: 0;
  flex: 1 1 auto;
  font-weight: 500;
  color: var(--silver);
  word-break: break-word;
}

.page-faq .faq-fallback-note {
  margin: 0 0 24px;
  max-width: 66ch;
  font-size: 14px;
  line-height: 1.72;
  color: var(--mist);
}

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

/* ---------- 响应式 ---------- */
@media (min-width: 600px) {
  .page-faq .faq-trigger {
    grid-template-columns: 34px minmax(0, 1fr) 18px;
    gap: 8px 14px;
    padding: 20px 4px;
    font-size: 17px;
  }

  .page-faq .faq-answer {
    padding-left: 48px;
  }

  .page-faq .faq-answer.faq-split {
    grid-template-columns: minmax(0, 1fr) 240px;
    align-items: start;
  }

  .page-faq .faq-figure {
    max-width: none;
  }
}

@media (min-width: 1024px) {
  .page-faq .faq-shell {
    grid-template-columns: minmax(0, 1fr) 292px;
    align-items: start;
  }

  .page-faq .faq-rail {
    position: sticky;
    top: calc(var(--header-h) + 24px);
    align-self: start;
  }
}