/* ---------- 页面专属：常见问题 .page-faq ---------- */
.page-faq {
  background: var(--obsidian);
  color: var(--bone);
}

/* ===== Hero 区域 ===== */
.page-faq__hero {
  position: relative;
  overflow: hidden;
  padding-top: 44px;
  padding-bottom: 28px;
  background:
    radial-gradient(720px 320px at 80% 20%, var(--red-glow), transparent 65%),
    linear-gradient(180deg, var(--obsidian) 0%, var(--charcoal) 100%);
}

.page-faq__hero::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: linear-gradient(90deg, transparent 2%, var(--flame) 28%, var(--gold) 60%, transparent 98%);
  opacity: 0.7;
}

.page-faq__hero::after {
  content: "";
  position: absolute;
  right: -12%;
  bottom: -30%;
  width: 620px;
  height: 620px;
  border: 1px solid rgba(232, 75, 34, 0.2);
  border-radius: 50%;
  transform: rotate(-18deg);
  pointer-events: none;
}

.page-faq__hero-grid {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
  gap: 44px;
  align-items: center;
}

.page-faq__hero-copy .breadcrumbs {
  margin-bottom: 22px;
}

.page-faq__hero-copy h1 {
  margin: 6px 0 14px;
  font-family: var(--font-heading);
  font-size: clamp(30px, 4vw, 52px);
  line-height: 1.12;
  letter-spacing: -0.02em;
  background: linear-gradient(115deg, var(--bone) 30%, var(--gold) 80%);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.page-faq__hero-lead {
  max-width: 58ch;
  margin: 0 0 26px;
  color: var(--silver);
  font-size: 16px;
  line-height: 1.85;
}

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

.page-faq__hero-media {
  position: relative;
}

.page-faq__hero-frame {
  position: relative;
  clip-path: polygon(0 2%, 96% 0, 100% 100%, 3% 98%);
  border: 1px solid rgba(201, 165, 92, 0.3);
  aspect-ratio: auto;
}

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

.page-faq__hero-badge {
  position: absolute;
  left: -16px;
  bottom: -16px;
  padding: 16px 20px;
  background: linear-gradient(135deg, var(--flame), var(--ember));
  color: var(--bone);
  display: flex;
  align-items: center;
  gap: 10px;
  border-radius: 4px;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.45);
}

.page-faq__hero-badge-num {
  font-family: var(--font-heading);
  font-size: 34px;
  line-height: 1;
}

.page-faq__hero-badge-label {
  font-size: 13px;
  line-height: 1.4;
  font-family: var(--font-body);
  color: var(--bone);
}

/* ===== 快速标签页 ===== */
.page-faq__quick {
  padding-top: 20px;
  padding-bottom: 28px;
}

.page-faq__sport-tabs {
  background: var(--charcoal);
  border: 1px solid rgba(244, 245, 247, 0.07);
  border-radius: 10px;
  padding: 22px;
}

.page-faq__sport-tabs .tabs__list {
  display: flex;
  gap: 8px;
  border-bottom: 1px solid rgba(244, 245, 247, 0.1);
  margin-bottom: 18px;
  flex-wrap: wrap;
}

.page-faq__sport-tabs .tab {
  appearance: none;
  border: 0;
  background: transparent;
  color: var(--silver);
  font-family: var(--font-heading);
  font-size: 15px;
  padding: 12px 20px;
  cursor: pointer;
  border-bottom: 3px solid transparent;
  margin-bottom: -1px;
  transition: color var(--transition), border-color var(--transition);
}

.page-faq__sport-tabs .tab[aria-selected="true"] {
  color: var(--bone);
  border-bottom-color: var(--flame);
}

.page-faq__quick-panel {
  line-height: 1.8;
  color: var(--silver);
  font-size: 15px;
}

.page-faq__quick-title {
  font-size: 18px;
  color: var(--gold);
  margin-bottom: 4px;
  font-family: var(--font-heading);
}

.page-faq__quick-panel a {
  color: var(--flame);
}

/* ===== 主内容 ===== */
.page-faq__main {
  padding-top: 36px;
  padding-bottom: 72px;
}

.page-faq__aside-inner {
  position: sticky;
  top: calc(var(--header-h) + 28px);
}

.page-faq__aside-title {
  font-family: var(--font-heading);
  font-size: 15px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--gold);
  margin-bottom: 18px;
  padding-left: 12px;
  border-left: 3px solid var(--flame);
}

.page-faq__aside .index-list {
  display: grid;
  gap: 2px;
}

.page-faq__aside .index-list a {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 10px 12px;
  color: var(--silver);
  text-decoration: none;
  border-radius: 6px;
  font-size: 15px;
  transition: background var(--transition), color var(--transition);
}

.page-faq__aside .index-list a:hover {
  background: var(--charcoal);
  color: var(--bone);
}

.page-faq__aside .index-list__num {
  font-family: var(--font-mono);
  color: var(--flame);
  font-size: 13px;
}

.page-faq__aside-card {
  margin-top: 26px;
  padding: 20px;
  background: linear-gradient(145deg, var(--charcoal), rgba(26, 28, 35, 0.4));
  border: 1px solid rgba(232, 75, 34, 0.24);
  border-radius: 10px;
}

.page-faq__aside-card-text {
  font-size: 14px;
  color: var(--silver);
  line-height: 1.7;
  margin: 10px 0 14px;
}

.page-faq__aside-card-contact {
  font-size: 14px;
  color: var(--bone);
  margin-bottom: 16px;
  line-height: 1.75;
}

.btn--block {
  display: flex;
  width: 100%;
  justify-content: center;
}

/* ===== 内容区块 ===== */
.page-faq__content {
  min-width: 0;
}

.page-faq__block {
  padding: 30px 0 18px;
  border-top: 1px solid rgba(244, 245, 247, 0.1);
}

.page-faq__block:first-child {
  border-top: 0;
}

.page-faq__block > .section-label {
  color: var(--flame);
}

.page-faq__block h2 {
  margin: 4px 0 8px;
  font-family: var(--font-heading);
  font-size: clamp(24px, 3vw, 30px);
  color: var(--bone);
}

.page-faq__block-desc {
  color: var(--silver);
  margin-bottom: 18px;
  font-size: 15px;
}

/* ===== 折叠面板 ===== */
.page-faq__faq-item {
  border-bottom: 1px solid rgba(244, 245, 247, 0.1);
  transition: background var(--transition);
}

.page-faq__faq-item summary {
  list-style: none;
  cursor: pointer;
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 18px;
  padding: 20px 14px 20px 0;
  font-family: var(--font-heading);
  font-size: 17px;
  line-height: 1.5;
  color: var(--bone);
  transition: color var(--transition), padding-left var(--transition);
}

.page-faq__faq-item summary::-webkit-details-marker {
  display: none;
}

.page-faq__faq-item summary:hover {
  color: var(--gold);
}

.page-faq__faq-item summary::after {
  content: "+";
  flex-shrink: 0;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 26px;
  height: 26px;
  border-radius: 50%;
  border: 1px solid rgba(232, 75, 34, 0.5);
  color: var(--flame);
  font-family: var(--font-mono);
  font-size: 18px;
  line-height: 1;
  transition: background var(--transition), color var(--transition), transform var(--transition);
}

.page-faq__faq-item[open] {
  background: linear-gradient(90deg, rgba(232, 75, 34, 0.06), transparent 60%);
}

.page-faq__faq-item[open] summary {
  color: var(--flame);
}

.page-faq__faq-item[open] summary::after {
  content: "−";
  background: var(--flame);
  color: var(--bone);
  transform: rotate(180deg);
}

.page-faq__faq-body {
  padding: 0 46px 22px 2px;
  color: var(--silver);
  font-size: 15px;
  line-height: 1.85;
}

.page-faq__faq-body p {
  margin-top: 0;
}

.page-faq__faq-body a {
  color: var(--flame);
}

/* ===== 数据可视化 ===== */
.page-faq__data-visual {
  display: grid;
  grid-template-columns: minmax(0, 4fr) minmax(0, 6fr);
  gap: 18px;
  margin: 10px 0 20px;
  padding: 16px;
  background: var(--charcoal);
  border-radius: 10px;
  border: 1px solid rgba(232, 75, 34, 0.2);
}

.page-faq__data-visual img {
  width: 100%;
  height: auto;
  display: block;
  border-radius: 6px;
  object-fit: cover;
  max-width: 100%;
}

.page-faq__data-metrics {
  display: grid;
  gap: 12px;
  align-content: center;
}

.page-faq__metric {
  padding: 12px 14px;
  background: var(--obsidian);
  border-left: 3px solid var(--gold);
  border-radius: 0 6px 6px 0;
}

.page-faq__metric-num {
  font-family: var(--font-heading);
  font-size: 26px;
  line-height: 1.2;
  color: var(--bone);
  display: block;
}

.page-faq__metric-label {
  font-size: 13px;
  color: var(--silver);
  margin: 2px 0 0;
  line-height: 1.6;
}

/* ===== 底部引导 ===== */
.page-faq__footnote {
  margin-top: 38px;
  padding: 20px 22px;
  background: var(--charcoal);
  border-left: 3px solid var(--gold);
  color: var(--silver);
  font-size: 15px;
  line-height: 1.8;
  border-radius: 0 8px 8px 0;
}

.page-faq__footnote a {
  color: var(--flame);
}

/* ===== 响应式 ===== */
@media (max-width: 980px) {
  .page-faq__hero-grid {
    grid-template-columns: 1fr;
    gap: 30px;
  }

  .page-faq__hero-media {
    order: 2;
  }

  .page-faq__hero-badge {
    left: -4px;
    bottom: -8px;
  }

  .page-faq__aside-inner {
    position: static;
  }

  .page-faq__aside-card {
    margin-top: 12px;
  }

  .page-faq__data-visual {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 640px) {
  .page-faq__hero {
    padding-top: 28px;
  }

  .page-faq__hero-actions {
    flex-direction: column;
    align-items: stretch;
  }

  .page-faq__hero-actions .btn {
    justify-content: center;
  }

  .page-faq__sport-tabs {
    padding: 14px;
  }

  .page-faq__sport-tabs .tabs__list {
    gap: 2px;
  }

  .page-faq__sport-tabs .tab {
    padding: 10px 14px;
    font-size: 14px;
  }

  .page-faq__faq-item summary {
    font-size: 16px;
  }

  .page-faq__faq-body {
    padding-right: 14px;
  }

  .page-faq__hero-badge {
    padding: 12px 14px;
  }

  .page-faq__metric-num {
    font-size: 22px;
  }
}