/* ==========================================================
   常见问题页 · 问答瀑布
   ========================================================== */

.page-faq {
  --faq-gap: clamp(20px, 3vw, 36px);
  --faq-rail: 236px;
}

/* ---------- 面包屑 ---------- */
.page-faq .crumb {
  margin-block: 22px 0;
}

/* ---------- 首屏 ---------- */
.page-faq .faq-hero {
  position: relative;
  overflow: hidden;
  padding-block: clamp(26px, 5vw, 56px) clamp(30px, 6vw, 62px);
  border-bottom: var(--line) solid var(--ink-700);
}

.page-faq .faq-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background:
    linear-gradient(112deg, transparent 41%, rgba(40, 225, 255, 0.11) 41%, rgba(40, 225, 255, 0.11) 54%, transparent 54%),
    linear-gradient(112deg, transparent 62%, rgba(255, 123, 46, 0.1) 62%, rgba(255, 123, 46, 0.1) 71%, transparent 71%);
}

.page-faq .faq-hero__inner {
  position: relative;
  z-index: 1;
}

.page-faq .faq-hero__title {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(2rem, 7.4vw, 4.6rem);
  line-height: 0.98;
  letter-spacing: -0.5px;
  margin: 10px 0 20px;
  color: var(--ice);
}

.page-faq .faq-hero__title em {
  display: block;
  font-style: normal;
  color: var(--cyan);
}

.page-faq .faq-hero__lede {
  max-width: 62ch;
  color: var(--mist);
}

.page-faq .faq-hero__stats {
  display: flex;
  flex-wrap: wrap;
  gap: 14px 34px;
  margin: 28px 0 0;
  padding-top: 20px;
  border-top: var(--line) solid var(--ink-700);
}

.page-faq .faq-stat {
  display: flex;
  align-items: baseline;
  gap: 10px;
  margin: 0;
}

.page-faq .faq-stat dt {
  font-size: 0.78rem;
  letter-spacing: 0.14em;
  color: var(--mist-dim);
}

.page-faq .faq-stat dd {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 1.3rem;
  font-weight: 700;
  color: var(--cyan);
  letter-spacing: 0.02em;
}

/* ---------- 布局 ---------- */
.page-faq .faq-layout {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--faq-gap);
  padding-block: clamp(30px, 5vw, 60px) clamp(48px, 7vw, 92px);
}

/* ---------- 左侧分组标签 ---------- */
.page-faq .faq-side__label {
  margin: 0 0 12px;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.2em;
  color: var(--mist-dim);
}

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

.page-faq .faq-side__link {
  display: flex;
  align-items: center;
  gap: 9px;
  flex: 0 0 auto;
  padding: 10px 15px;
  border: var(--line) solid var(--ink-700);
  background: var(--ink-800);
  border-radius: var(--radius);
  color: var(--ice);
  font-size: 0.88rem;
  font-weight: 600;
  text-decoration: none;
  white-space: nowrap;
  transition: border-color 0.18s ease, color 0.18s ease, transform 0.18s ease;
}

.page-faq .faq-side__link:hover,
.page-faq .faq-side__link:focus-visible {
  border-color: var(--cyan);
  color: var(--cyan);
  transform: translateX(2px);
}

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

.page-faq .faq-side__num {
  font-family: var(--font-mono);
  font-size: 0.76rem;
  letter-spacing: 0.06em;
  color: var(--cyan);
}

/* ---------- 分组 ---------- */
.page-faq .faq-group {
  --faq-accent: var(--cyan);
  position: relative;
  margin-bottom: clamp(30px, 4vw, 52px);
  scroll-margin-top: 70px;
}

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

.page-faq .faq-group--data {
  --faq-accent: var(--orange);
}

.page-faq .faq-group--injury {
  --faq-accent: var(--green);
}

.page-faq .faq-group--venue {
  --faq-accent: var(--amber);
}

.page-faq .faq-group--refresh {
  --faq-accent: var(--cyan-deep);
}

.page-faq .faq-group--support {
  --faq-accent: var(--cyan);
}

.page-faq .faq-group__head {
  position: sticky;
  top: 0;
  z-index: 4;
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 12px 14px;
  padding: 10px 0 12px;
  margin-bottom: 2px;
  background: var(--ink-900);
  border-bottom: var(--line) solid var(--faq-accent);
  box-shadow: 0 8px 14px -10px rgba(5, 11, 31, 0.95);
}

.page-faq .faq-group__num {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(1.9rem, 4.5vw, 2.6rem);
  line-height: 0.9;
  letter-spacing: -1px;
  color: var(--faq-accent);
}

.page-faq .faq-group__title {
  flex: 1 1 auto;
  margin: 0;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(1.3rem, 3vw, 1.85rem);
  letter-spacing: 0.01em;
  color: var(--ice);
}

/* ---------- 折叠问答 ---------- */
.page-faq .qa {
  border-bottom: var(--line) solid var(--ink-700);
}

.page-faq .qa__q {
  display: flex;
  align-items: flex-start;
  gap: 14px;
  padding: 17px 4px;
  cursor: pointer;
  list-style: none;
  font-weight: 600;
  font-size: clamp(1rem, 2.2vw, 1.1rem);
  line-height: 1.55;
  color: var(--ice);
  transition: color 0.18s ease;
}

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

.page-faq .qa__q:hover {
  color: var(--faq-accent);
}

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

.page-faq .qa__q-text {
  flex: 1 1 auto;
}

.page-faq .qa__mark {
  position: relative;
  flex: 0 0 20px;
  width: 20px;
  height: 20px;
  margin-top: 3px;
  border: var(--line) solid var(--faq-accent);
  border-radius: var(--radius);
}

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

.page-faq .qa__mark::before {
  left: 3px;
  right: 3px;
  top: 50%;
  height: 2px;
  transform: translateY(-50%);
}

.page-faq .qa__mark::after {
  top: 3px;
  bottom: 3px;
  left: 50%;
  width: 2px;
  transform: translateX(-50%);
}

.page-faq .qa[open] .qa__mark::after {
  display: none;
}

.page-faq .qa__a {
  padding: 0 4px 20px 34px;
  color: var(--mist);
  font-size: 0.96rem;
  line-height: 1.85;
}

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

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

/* ---------- 排查步骤 ---------- */
.page-faq .steps {
  list-style: none;
  margin: 16px 0 0;
  padding: 0;
  display: grid;
  gap: 8px;
}

.page-faq .step {
  border: var(--line) solid var(--ink-700);
  background: var(--ink-800);
  border-radius: var(--radius);
  transition: border-color 0.18s ease;
}

.page-faq .step[open] {
  border-color: var(--faq-accent);
}

.page-faq .step summary {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 11px 14px;
  cursor: pointer;
  list-style: none;
  font-size: 0.93rem;
  font-weight: 600;
  color: var(--ice);
}

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

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

.page-faq .step__box {
  position: relative;
  flex: 0 0 18px;
  width: 18px;
  height: 18px;
  border: var(--line) solid var(--faq-accent);
  border-radius: 2px;
}

.page-faq .step__box::after {
  content: "";
  position: absolute;
  inset: 3px;
  background: var(--faq-accent);
  opacity: 0;
  transition: opacity 0.18s ease;
}

.page-faq .step[open] .step__box::after {
  opacity: 1;
}

.page-faq .step__num {
  font-family: var(--font-mono);
  font-size: 0.76rem;
  letter-spacing: 0.08em;
  color: var(--faq-accent);
}

.page-faq .step__hint {
  margin: 0;
  padding: 0 14px 13px 46px;
  color: var(--mist);
  font-size: 0.89rem;
  line-height: 1.7;
}

/* ---------- 图片 ---------- */
.page-faq .faq-figure {
  margin: 18px 0 6px;
}

.page-faq .faq-figure--lead {
  margin: 18px 0 14px;
}

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

/* ---------- 反馈联系块 ---------- */
.page-faq .faq-contact {
  margin-top: 22px;
  padding: 18px 20px;
  background: var(--ink-800);
  border: var(--line) solid var(--ink-700);
  border-left: 5px solid var(--cyan);
  border-radius: var(--radius);
}

.page-faq .faq-contact__label {
  margin: 0 0 10px;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.2em;
  color: var(--mist-dim);
}

.page-faq .faq-contact__note {
  margin: 12px 0 0;
  color: var(--mist);
  font-size: 0.87rem;
  line-height: 1.7;
}

/* ---------- 桌面端 ---------- */
@media (min-width: 960px) {
  .page-faq .faq-layout {
    grid-template-columns: var(--faq-rail) minmax(0, 1fr);
    gap: clamp(34px, 4.5vw, 60px);
  }

  .page-faq .faq-side {
    position: sticky;
    top: 24px;
    align-self: start;
  }

  .page-faq .faq-side__list {
    flex-direction: column;
    gap: 6px;
    overflow: visible;
    padding-bottom: 0;
  }

  .page-faq .faq-side__link {
    white-space: normal;
    border: 0;
    border-left: 5px solid var(--ink-700);
    background: transparent;
    border-radius: 0;
    padding: 10px 12px;
    font-size: 0.92rem;
  }

  .page-faq .faq-side__link:hover,
  .page-faq .faq-side__link:focus-visible {
    border-left-color: var(--cyan);
    background: var(--ink-800);
    transform: translateX(2px);
  }

  .page-faq .faq-group{
    scroll-margin-top: 24px;
  }

  .page-faq .qa__a {
    padding-left: 40px;
    max-width: 76ch;
  }
}

/* ---------- 宽屏微调 ---------- */
@media (min-width: 1280px) {
  .page-faq {
    --faq-rail: 264px;
  }
}

/* ---------- 减弱动效 ---------- */
@media (prefers-reduced-motion: reduce) {
  .page-faq .faq-side__link,
  .page-faq .qa__q,
  .page-faq .step,
  .page-faq .step__box::after {
    transition: none;
  }

  .page-faq .faq-side__link:hover,
  .page-faq .faq-side__link:focus-visible {
    transform: none;
  }
}
<<<END>>>