.page-faq {
  --faq-accent: var(--rb-blue);
  --faq-radius: 14px;
  color: var(--rb-body-text);
}

/* ---------- 首屏 ---------- */
.page-faq .faq-hero {
  position: relative;
  overflow: hidden;
  padding: 28px 0 52px;
  background:
    radial-gradient(660px 360px at 10% -12%, rgba(0, 87, 255, .30), transparent 70%),
    radial-gradient(560px 340px at 94% 6%, rgba(225, 6, 0, .22), transparent 72%);
}

.page-faq .faq-hero::after {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(91, 140, 255, .07) 1px, transparent 1px),
    linear-gradient(90deg, rgba(91, 140, 255, .07) 1px, transparent 1px);
  background-size: 64px 64px;
  -webkit-mask-image: radial-gradient(circle at 40% 0%, #000 0%, transparent 76%);
  mask-image: radial-gradient(circle at 40% 0%, #000 0%, transparent 76%);
  pointer-events: none;
}

.page-faq .faq-hero .rb-crumbs {
  position: relative;
  z-index: 1;
}

.page-faq .faq-hero__grid {
  position: relative;
  z-index: 1;
  display: grid;
  gap: 28px;
  margin-top: 26px;
}

.page-faq .faq-hero__lead h1 {
  margin: 14px 0 0;
  max-width: 20ch;
  font-size: clamp(27px, 5.4vw, 48px);
  font-weight: 900;
  line-height: 1.16;
  letter-spacing: -0.02em;
  color: var(--rb-cream);
}

.page-faq .faq-hero__intro {
  margin: 18px 0 0;
  max-width: 62ch;
  font-size: 16.5px;
  line-height: 1.8;
}

.page-faq .faq-hero__meta {
  margin: 16px 0 0;
  font-size: 12.5px;
  letter-spacing: .08em;
  color: var(--rb-mist);
}

.page-faq .faq-hero__stats {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
}

.page-faq .faq-stat {
  padding: 16px 18px;
  border: 1px solid var(--rb-line);
  border-radius: var(--faq-radius);
  background: rgba(21, 26, 35, .82);
}

.page-faq .faq-stat__num {
  display: block;
  font-size: 26px;
  font-weight: 700;
  letter-spacing: -0.02em;
  color: var(--rb-cream);
}

.page-faq .faq-stat__label {
  display: block;
  margin-top: 8px;
  font-size: 12.5px;
  line-height: 1.5;
  color: var(--rb-mist);
}

.page-faq .faq-stat--blue { border-color: rgba(0, 87, 255, .45); }
.page-faq .faq-stat--blue .faq-stat__num { color: var(--rb-blue-hi); }
.page-faq .faq-stat--red { border-color: rgba(225, 6, 0, .45); }
.page-faq .faq-stat--red .faq-stat__num { color: var(--rb-red-hi); }
.page-faq .faq-stat--cyan { border-color: rgba(0, 229, 199, .38); }
.page-faq .faq-stat--cyan .faq-stat__num { color: var(--rb-cyan); }
.page-faq .faq-stat--amber { border-color: rgba(255, 179, 0, .38); }
.page-faq .faq-stat--amber .faq-stat__num { color: var(--rb-amber); }

/* ---------- 主体布局 ---------- */
.page-faq .faq-body {
  display: grid;
  gap: 34px;
  padding-top: 48px;
  padding-bottom: 72px;
}

/* ---------- 分组索引 ---------- */
.page-faq .faq-index__title {
  margin: 0;
  font-size: 12px;
  letter-spacing: .1em;
  color: var(--rb-mist);
  text-transform: uppercase;
}

.page-faq .faq-index__list {
  display: grid;
  gap: 8px;
  margin: 14px 0 0;
  padding: 0;
  list-style: none;
}

.page-faq .faq-index__link {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 11px 14px;
  border: 1px solid var(--rb-line);
  border-radius: 10px;
  background: rgba(21, 26, 35, .72);
  color: var(--rb-body-text);
  font-size: 14.5px;
  text-decoration: none;
  transition: background .2s ease, border-color .2s ease, color .2s ease;
}

.page-faq .faq-index__link .rb-num {
  font-size: 12px;
  letter-spacing: .04em;
  color: var(--rb-mist);
  transition: color .2s ease;
}

.page-faq .faq-index__link:hover,
.page-faq .faq-index__link:focus-visible {
  background: rgba(0, 87, 255, .18);
  border-color: var(--rb-blue);
  color: var(--rb-cream);
}

.page-faq .faq-index__link:hover .rb-num,
.page-faq .faq-index__link:focus-visible .rb-num {
  color: var(--rb-blue-hi);
}

.page-faq .faq-index__note {
  margin-top: 20px;
  padding: 18px;
  border: 1px solid var(--rb-line);
  border-radius: var(--faq-radius);
  background: linear-gradient(160deg, rgba(0, 87, 255, .16), rgba(225, 6, 0, .10));
}

.page-faq .faq-index__note p {
  margin: 0 0 14px;
  font-size: 13.5px;
  line-height: 1.7;
  color: var(--rb-body-text);
}

/* ---------- 分组 ---------- */
.page-faq .faq-group {
  --accent: var(--rb-blue);
  padding-bottom: 40px;
  margin-bottom: 40px;
  border-bottom: 1px solid var(--rb-line);
}

.page-faq .faq-group--cyan { --accent: var(--rb-cyan); }
.page-faq .faq-group--amber { --accent: var(--rb-amber); }
.page-faq .faq-group--red { --accent: var(--rb-red); }

.page-faq .faq-group__head {
  display: flex;
  gap: 16px;
  align-items: flex-start;
  margin-bottom: 22px;
}

.page-faq .faq-group__no {
  flex: none;
  padding: 7px 10px;
  border-radius: 8px;
  background: var(--accent);
  color: var(--rb-cream);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: .1em;
  line-height: 1;
}

.page-faq .faq-group--cyan .faq-group__no,
.page-faq .faq-group--amber .faq-group__no {
  color: var(--rb-ink);
}

.page-faq .faq-group__head h2 {
  margin: 0;
  font-size: clamp(21px, 3.2vw, 30px);
  font-weight: 800;
  letter-spacing: -0.01em;
  color: var(--rb-cream);
}

.page-faq .faq-group__desc {
  margin: 10px 0 0;
  max-width: 68ch;
  font-size: 14.5px;
  line-height: 1.75;
  color: var(--rb-mist);
}

/* ---------- 配图 ---------- */
.page-faq .faq-figure {
  margin: 0 0 24px;
  border: 1px solid var(--rb-line);
  border-radius: var(--faq-radius);
  overflow: hidden;
  background: var(--rb-panel);
}

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

.page-faq .faq-figure .rb-media__caption {
  padding: 12px 16px;
  font-size: 12.5px;
  line-height: 1.6;
  color: var(--rb-mist);
  border-top: 1px solid var(--rb-line);
}

/* ---------- 折叠加减面板 ---------- */
.page-faq .faq-list {
  display: grid;
  gap: 10px;
}

.page-faq .faq-item {
  border: 1px solid var(--rb-line);
  border-radius: 12px;
  background: var(--rb-panel);
  overflow: hidden;
  transition: border-color .2s ease, box-shadow .2s ease;
}

.page-faq .faq-item[open] {
  border-color: color-mix(in srgb, var(--accent) 55%, var(--rb-line));
  box-shadow: inset 3px 0 0 var(--accent);
}

.page-faq .faq-item__q {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  padding: 17px 18px;
  font-size: 15.5px;
  font-weight: 600;
  line-height: 1.6;
  color: var(--rb-cream);
  cursor: pointer;
  list-style: none;
}

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

.page-faq .faq-item__q::after {
  content: "+";
  flex: none;
  margin-left: auto;
  font-family: var(--rb-font-mono);
  font-size: 19px;
  line-height: 1.2;
  color: var(--accent);
}

.page-faq .faq-item[open] .faq-item__q::after { content: "\2212"; }

.page-faq .faq-item__q:focus-visible {
  outline: 2px solid var(--rb-blue-hi);
  outline-offset: -2px;
}

.page-faq .faq-item__a {
  padding: 0 18px 20px 30px;
}

.page-faq .faq-item__a p {
  margin: 0;
  font-size: 15px;
  line-height: 1.85;
  color: var(--rb-body-text);
}

/* ---------- 提示条 ---------- */
.page-faq .faq-tip {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px 12px;
  margin: 20px 0 0;
  padding: 12px 16px;
  border-left: 3px solid var(--rb-blue);
  border-radius: 0 12px 12px 0;
  background: rgba(0, 87, 255, .10);
  font-size: 14px;
  line-height: 1.6;
}

.page-faq .faq-tip a {
  color: var(--rb-cream);
  text-decoration: none;
  border-bottom: 1px solid rgba(242, 245, 249, .35);
}

.page-faq .faq-tip a:hover { border-bottom-color: var(--rb-cream); }

.page-faq .faq-tip__label {
  flex: none;
  padding: 3px 9px;
  border-radius: 999px;
  background: rgba(0, 87, 255, .22);
  color: var(--rb-blue-hi);
  font-size: 11.5px;
  letter-spacing: .1em;
}

.page-faq .faq-tip--cyan {
  border-left-color: var(--rb-cyan);
  background: rgba(0, 229, 199, .09);
}
.page-faq .faq-tip--cyan .faq-tip__label {
  background: rgba(0, 229, 199, .18);
  color: var(--rb-cyan);
}

.page-faq .faq-tip--amber {
  border-left-color: var(--rb-amber);
  background: rgba(255, 179, 0, .09);
}
.page-faq .faq-tip--amber .faq-tip__label {
  background: rgba(255, 179, 0, .18);
  color: var(--rb-amber);
}

/* ---------- 场馆流程 ---------- */
.page-faq .faq-steps {
  display: grid;
  gap: 12px;
  margin: 0 0 24px;
  padding: 0;
  list-style: none;
}

.page-faq .faq-steps__item {
  position: relative;
  padding: 16px 16px 18px;
  border: 1px solid rgba(255, 179, 0, .34);
  border-radius: 12px;
  background: linear-gradient(165deg, rgba(255, 179, 0, .16), rgba(255, 179, 0, .03));
}

.page-faq .faq-steps__no {
  display: block;
  font-size: 12px;
  letter-spacing: .1em;
  color: var(--rb-amber);
}

.page-faq .faq-steps__name {
  display: block;
  margin-top: 8px;
  font-size: 15px;
  font-weight: 700;
  color: var(--rb-cream);
}

.page-faq .faq-steps__note {
  display: block;
  margin-top: 6px;
  font-size: 13px;
  line-height: 1.65;
  color: var(--rb-mist);
}

/* ---------- 联系区 ---------- */
.page-faq .faq-help {
  padding: 28px 22px;
  border: 1px solid var(--rb-line);
  border-radius: var(--faq-radius);
  background: linear-gradient(150deg, rgba(0, 87, 255, .14), rgba(225, 6, 0, .10));
}

.page-faq .faq-help h2 {
  margin: 0;
  font-size: clamp(20px, 3vw, 26px);
  font-weight: 800;
  color: var(--rb-cream);
}

.page-faq .faq-help__lead {
  margin: 12px 0 0;
  max-width: 66ch;
  font-size: 14.5px;
  line-height: 1.8;
  color: var(--rb-body-text);
}

.page-faq .faq-contact {
  display: grid;
  gap: 14px;
  margin-top: 22px;
}

.page-faq .faq-contact__item {
  padding: 18px;
  border: 1px solid var(--rb-line);
  border-radius: 12px;
  background: rgba(11, 14, 20, .55);
}

.page-faq .faq-contact__key {
  display: block;
  font-size: 11.5px;
  letter-spacing: .1em;
  color: var(--rb-mist);
}

.page-faq .faq-contact__value {
  display: block;
  margin-top: 8px;
  font-size: 15px;
  color: var(--rb-cream);
  word-break: break-all;
}

.page-faq .faq-contact__item p {
  margin: 10px 0 0;
  font-size: 13.5px;
  line-height: 1.7;
  color: var(--rb-mist);
}

.page-faq .faq-help__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 24px;
}

/* ---------- 响应式 ---------- */
@media (min-width: 720px) {
  .page-faq .faq-hero {
    padding: 34px 0 64px;
  }

  .page-faq .faq-hero__stats {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }

  .page-faq .faq-steps {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }

  .page-faq .faq-steps__item:not(:last-child)::after {
    content: "";
    position: absolute;
    top: 50%;
    right: -8px;
    width: 6px;
    height: 6px;
    border-top: 1.5px solid var(--rb-amber);
    border-right: 1.5px solid var(--rb-amber);
    transform: translateY(-50%) rotate(45deg);
  }

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

  .page-faq .faq-item__q {
    padding: 18px 22px;
    font-size: 16px;
  }

  .page-faq .faq-item__a {
    padding: 0 22px 22px 38px;
  }

  .page-faq .faq-help {
    padding: 34px 32px;
  }
}

@media (min-width: 980px) {
  .page-faq .faq-hero__grid {
    grid-template-columns: minmax(0, 7fr) minmax(0, 4fr);
    gap: 48px;
    align-items: end;
  }
}

@media (min-width: 1000px) {
  .page-faq .faq-body {
    grid-template-columns: 246px minmax(0, 1fr);
    gap: 56px;
    align-items: start;
  }

  .page-faq .faq-index {
    position: sticky;
    top: 104px;
  }

  .page-faq .faq-group:last-of-type {
    border-bottom: 0;
    margin-bottom: 0;
    padding-bottom: 0;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-faq .faq-index__link,
  .page-faq .faq-item {
    transition: none;
  }
}