/* ===== 凤凰体育赛场 · 常见问题页 ===== */

.page-faq {
  --faq-rule: rgba(126, 144, 166, .24);
  --faq-rule-soft: rgba(126, 144, 166, .13);
  --faq-flame-soft: rgba(255, 75, 31, .08);
  display: block;
  background: var(--void);
  color: var(--text-body);
}

/* ---------- 页首 ---------- */

.page-faq .faq-hero {
  position: relative;
  overflow: hidden;
  padding: 22px 0 42px;
  border-bottom: 1px solid var(--line-soft);
  background:
    linear-gradient(180deg, rgba(20, 26, 58, .66) 0%, rgba(10, 12, 18, 0) 76%),
    var(--void);
}

.page-faq .faq-hero__glow {
  position: absolute;
  top: -70%;
  right: -18%;
  width: 58%;
  height: 250%;
  pointer-events: none;
  background: linear-gradient(90deg, rgba(255, 75, 31, .17) 0%, rgba(255, 75, 31, 0) 100%);
  transform: skewX(var(--skew));
}

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

.page-faq .faq-hero .pa-crumbs {
  margin-bottom: 20px;
}

.page-faq .faq-hero__title {
  margin: .5rem 0 1.05rem;
  max-width: 21ch;
  font-family: var(--font-head);
  font-weight: 900;
  font-size: clamp(1.8rem, 5.6vw, 3.4rem);
  line-height: 1.08;
  letter-spacing: -.02em;
  color: var(--ice);
}

.page-faq .faq-hero__lede {
  max-width: var(--max-read);
  margin: 0;
}

/* ---------- 主体两栏 ---------- */

.page-faq .faq-body {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 36px;
  padding: 34px 0 70px;
}

/* ---------- 左侧索引 ---------- */

.page-faq .faq-index {
  min-width: 0;
  align-self: start;
}

.page-faq .faq-index__label {
  margin: 0 0 12px;
  font-family: var(--font-data);
  font-size: .78rem;
  letter-spacing: .18em;
  color: var(--steel);
}

.page-faq .faq-index__list {
  list-style: none;
  margin: 0;
  padding: 0;
  border-top: 1px solid var(--faq-rule);
}

.page-faq .faq-index__item {
  border-bottom: 1px solid var(--faq-rule-soft);
}

.page-faq .faq-index__link {
  display: grid;
  grid-template-columns: 34px minmax(0, 1fr);
  gap: 10px;
  align-items: baseline;
  padding: 13px 10px 13px 12px;
  border-left: 2px solid transparent;
  text-decoration: none;
  color: var(--steel);
  font-family: var(--font-head);
  font-weight: 700;
  font-size: .96rem;
  letter-spacing: -.005em;
  transition: color .22s var(--ease), border-color .22s var(--ease), background-color .22s var(--ease);
}

.page-faq .faq-index__link:hover,
.page-faq .faq-index__link:focus-visible {
  color: var(--ice);
  border-left-color: var(--line-warm);
  background-color: var(--faq-flame-soft);
}

.page-faq .faq-index__num {
  font-family: var(--font-data);
  font-size: .78rem;
  letter-spacing: .1em;
  color: var(--flame);
}

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

.page-faq .faq-index__figure {
  margin: 24px 0 0;
  max-width: 320px;
}

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

/* ---------- 右侧问答流 ---------- */

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

.page-faq .faq-group {
  scroll-margin-top: calc(var(--hdr) + 26px);
}

.page-faq .faq-group + .faq-group {
  margin-top: 54px;
}

.page-faq .faq-group:nth-of-type(1) { --grp: var(--flame); }
.page-faq .faq-group:nth-of-type(2) { --grp: var(--cyan); }
.page-faq .faq-group:nth-of-type(3) { --grp: var(--steel); }
.page-faq .faq-group:nth-of-type(4) { --grp: var(--ember); }
.page-faq .faq-group:nth-of-type(5) { --grp: var(--flame); }

.page-faq .faq-group__head {
  position: relative;
  display: flex;
  align-items: baseline;
  gap: 12px;
  padding-bottom: 12px;
  border-bottom: 1px solid var(--faq-rule);
}

.page-faq .faq-group__head::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: -1px;
  width: 54px;
  height: 2px;
  background: var(--grp, var(--flame));
}

.page-faq .faq-group__num {
  flex: 0 0 auto;
  font-family: var(--font-data);
  font-size: .8rem;
  letter-spacing: .12em;
  color: var(--grp, var(--flame));
}

.page-faq .faq-group__title {
  margin: 0;
  font-family: var(--font-head);
  font-weight: 800;
  font-size: clamp(1.22rem, 3.6vw, 1.6rem);
  line-height: 1.22;
  letter-spacing: -.018em;
  color: var(--ice);
}

/* 折叠面板 */

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

.page-faq .faq-item__q {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 18px 2px;
  cursor: pointer;
  list-style: none;
  font-family: var(--font-head);
  font-weight: 700;
  font-size: clamp(1rem, 2.6vw, 1.08rem);
  line-height: 1.45;
  letter-spacing: -.01em;
  color: var(--ice);
  transition: color .22s var(--ease);
}

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

.page-faq .faq-item__q:hover,
.page-faq .faq-item__q:focus-visible {
  color: var(--flame);
}

.page-faq .faq-item[open] > .faq-item__q {
  color: var(--grp, var(--flame));
}

.page-faq .faq-item__icon {
  position: relative;
  flex: 0 0 auto;
  width: 14px;
  height: 14px;
}

.page-faq .faq-item__icon::before,
.page-faq .faq-item__icon::after {
  content: "";
  position: absolute;
  left: 0;
  top: 50%;
  width: 14px;
  height: 1px;
  background: currentColor;
  transition: transform .3s var(--ease), opacity .3s var(--ease);
}

.page-faq .faq-item__icon::after {
  transform: rotate(90deg);
}

.page-faq .faq-item[open] .faq-item__icon::after {
  transform: rotate(0deg);
  opacity: 0;
}

.page-faq .faq-item__a {
  max-width: var(--max-read);
  padding: 0 2px 22px;
  font-size: 1rem;
  line-height: 1.78;
  color: var(--text-body);
}

.page-faq .faq-item__a p {
  margin: 0;
}

.page-faq .faq-item__a a {
  color: var(--ice);
  text-decoration: none;
  border-bottom: 1px solid var(--line-warm);
  transition: color .2s var(--ease);
}

.page-faq .faq-item__a a:hover,
.page-faq .faq-item__a a:focus-visible {
  color: var(--flame);
}

@keyframes faq-open {
  from {
    opacity: 0;
    transform: translateY(8px);
  }
  to {
    opacity: 1;
    transform: none;
  }
}

.page-faq .faq-item[open] .faq-item__a {
  animation: faq-open .32s var(--ease) both;
}

/* 步骤列表 */

.page-faq .faq-steps {
  list-style: none;
  counter-reset: faqstep;
  margin: 0;
  padding: 0;
}

.page-faq .faq-steps > li {
  counter-increment: faqstep;
  display: grid;
  grid-template-columns: 28px minmax(0, 1fr);
  gap: 10px;
  align-items: baseline;
  padding: 10px 0;
  border-top: 1px solid var(--faq-rule-soft);
  font-size: .98rem;
}

.page-faq .faq-steps > li:first-child {
  border-top: 0;
  padding-top: 2px;
}

.page-faq .faq-steps > li::before {
  content: counter(faqstep, decimal-leading-zero);
  font-family: var(--font-data);
  font-size: .78rem;
  letter-spacing: .06em;
  color: var(--grp, var(--flame));
}

/* 指标标签 */

.page-faq .faq-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  list-style: none;
  margin: 16px 0 0;
  padding: 0;
}

/* 章节配图 */

.page-faq .faq-figure {
  margin: 26px 0 6px;
  max-width: 360px;
}

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

/* ---------- 桌面布局 ---------- */

@media (min-width: 900px) {
  .page-faq .faq-hero {
    padding: 28px 0 58px;
  }

  .page-faq .faq-body {
    grid-template-columns: minmax(228px, 272px) minmax(0, 1fr);
    gap: 34px 64px;
    padding: 52px 0 100px;
    align-items: start;
  }

  .page-faq .faq-index {
    position: sticky;
    top: calc(var(--hdr) + 30px);
  }

  .page-faq .faq-index__figure {
    max-width: 100%;
  }

  .page-faq .faq-group {
    position: relative;
    padding-left: 30px;
  }

  .page-faq .faq-group::before {
    content: "";
    position: absolute;
    left: 0;
    top: 5px;
    width: 3px;
    height: 46px;
    background: var(--grp, var(--flame));
    transform: skewY(var(--skew));
  }

  .page-faq .faq-item__q {
    padding: 20px 4px;
    font-size: 1.08rem;
  }

  .page-faq .faq-item__a {
    padding-right: 12px;
  }
}

@media (min-width: 1240px) {
  .page-faq .faq-body {
    grid-template-columns: 268px minmax(0, 1fr);
    gap: 34px 84px;
  }

  .page-faq .faq-figure {
    max-width: 400px;
  }
}

/* ---------- 减少动效 ---------- */

@media (prefers-reduced-motion: reduce) {
  .page-faq .faq-item[open] .faq-item__a {
    animation: none;
  }

  .page-faq .faq-item__icon::before,
  .page-faq .faq-item__icon::after,
  .page-faq .faq-index__link,
  .page-faq .faq-item__q {
    transition: none;
  }
}