.page-faq {
  --faq-rule: rgba(10, 31, 34, 0.14);
  --faq-ink-soft: rgba(10, 31, 34, 0.74);
  --faq-line-cyan: rgba(61, 224, 208, 0.55);
  background: var(--paper);
  color: var(--ink);
  font-family: var(--font-body);
  padding-bottom: clamp(48px, 8vw, 96px);
  overflow-x: hidden;
}

/* 顶部横条图 */
.page-faq .faq-strip {
  margin: 18px auto 0;
}
.page-faq .faq-strip img {
  display: block;
  width: 100%;
  height: auto;
  border-radius: 3px;
  border: 1px solid var(--hairline-ink);
}

/* 面包屑 */
.page-faq .breadcrumb {
  display: flex;
  align-items: center;
  gap: 8px;
  padding-top: 26px;
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--grey);
}
.page-faq .breadcrumb a {
  color: var(--grey);
  text-decoration: none;
  transition: color 180ms var(--ease);
}
.page-faq .breadcrumb a:hover {
  color: var(--orange);
  text-decoration: underline;
  text-underline-offset: 4px;
}
.page-faq .breadcrumb [aria-current="page"] {
  color: var(--ink);
}

/* 首屏 */
.page-faq .faq-hero {
  margin-top: 26px;
  background:
    radial-gradient(120% 140% at 88% 0%, rgba(61, 224, 208, 0.16) 0%, rgba(61, 224, 208, 0) 58%),
    linear-gradient(158deg, var(--deep) 0%, var(--ink) 100%);
  color: var(--text);
  border-top: 1px solid var(--hairline);
  border-bottom: 1px solid var(--hairline);
}
.page-faq .faq-hero__inner {
  display: grid;
  gap: 32px;
  padding-top: clamp(34px, 6vw, 72px);
  padding-bottom: clamp(34px, 6vw, 72px);
}
.page-faq .faq-kicker {
  margin: 0 0 16px;
  font-size: 12px;
  letter-spacing: 0.2em;
  color: var(--cyan);
}
.page-faq .faq-hero h1 {
  margin: 0 0 18px;
  font-family: var(--font-headline);
  font-weight: 600;
  font-size: clamp(27px, 5vw, 44px);
  line-height: 1.24;
  letter-spacing: 0.01em;
  color: var(--text);
  max-width: 17em;
}
.page-faq .faq-lede {
  margin: 0 0 28px;
  font-size: 16px;
  line-height: 1.85;
  color: var(--text-mute);
  max-width: 34em;
}
.page-faq .faq-hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}
.page-faq .faq-hero__figure {
  margin: 0;
}
.page-faq .faq-hero__figure img {
  display: block;
  width: 100%;
  height: auto;
  border-radius: 3px;
  border: 1px solid var(--hairline-strong);
  box-shadow: 0 18px 40px rgba(0, 0, 0, 0.28);
}

/* 主体两栏 */
.page-faq .faq-body {
  display: grid;
  gap: 34px;
  padding-top: clamp(36px, 6vw, 66px);
}

/* 折线索引 */
.page-faq .faq-index__label {
  margin: 0 0 14px;
  font-size: 12px;
  letter-spacing: 0.16em;
  color: var(--grey);
}
.page-faq .faq-index__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}
.page-faq .faq-index__list a {
  display: inline-flex;
  align-items: baseline;
  gap: 7px;
  padding: 6px 14px;
  border: 1px solid var(--faq-rule);
  border-radius: 999px;
  font-size: 14px;
  color: var(--ink);
  text-decoration: none;
  transition: border-color 180ms var(--ease), color 180ms var(--ease);
}
.page-faq .faq-index__list a:hover {
  border-color: var(--cyan);
  color: var(--moss);
}
.page-faq .faq-index__no {
  font-size: 11px;
  color: var(--grey);
}

/* 问答分组 */
.page-faq .faq-group {
  scroll-margin-top: calc(var(--shell-top) + 24px);
}
.page-faq .faq-group + .faq-group {
  margin-top: clamp(44px, 7vw, 76px);
}
.page-faq .faq-group h2 {
  margin: 0;
  font-family: var(--font-headline);
  font-weight: 600;
  font-size: clamp(21px, 3vw, 27px);
  line-height: 1.32;
  color: var(--ink);
}
.page-faq .faq-group h2::after {
  content: "";
  display: block;
  width: 46px;
  height: 2px;
  margin-top: 12px;
  background: var(--orange);
}
.page-faq .faq-group__note {
  margin: 10px 0 18px;
  font-size: 13px;
  line-height: 1.75;
  letter-spacing: 0.02em;
  color: var(--grey);
}

/* 折叠条目 */
.page-faq .faq-item {
  border-top: 1px solid var(--faq-rule);
  transition: box-shadow 200ms var(--ease), padding 200ms var(--ease);
}
.page-faq .faq-item:last-of-type {
  border-bottom: 1px solid var(--faq-rule);
}
.page-faq .faq-item > summary {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 18px;
  padding: 17px 0;
  font-family: var(--font-headline);
  font-weight: 600;
  font-size: 16.5px;
  line-height: 1.55;
  color: var(--ink);
  cursor: pointer;
  list-style: none;
  transition: color 180ms var(--ease);
}
.page-faq .faq-item > summary::-webkit-details-marker {
  display: none;
}
.page-faq .faq-item > summary:hover {
  color: var(--moss);
}
.page-faq .faq-item > summary::after {
  content: "+";
  flex: none;
  padding-top: 3px;
  font-family: var(--font-display);
  font-size: 17px;
  line-height: 1;
  color: var(--grey);
  transition: color 180ms var(--ease);
}
.page-faq .faq-item[open] > summary::after {
  content: "−";
  color: var(--orange);
}
.page-faq .faq-item[open] {
  box-shadow: inset 2px 0 0 0 var(--orange);
  padding-left: 16px;
  padding-right: 8px;
}
.page-faq .faq-item__body {
  padding: 2px 0 22px;
  max-width: 40em;
}
.page-faq .faq-item__body p {
  margin: 0 0 10px;
  font-size: 15px;
  line-height: 1.88;
  color: var(--faq-ink-soft);
}
.page-faq .faq-item__body p:last-child {
  margin-bottom: 0;
}
.page-faq .faq-item__body a {
  color: var(--moss);
  text-decoration: none;
  border-bottom: 1px solid var(--faq-line-cyan);
  transition: color 180ms var(--ease), border-color 180ms var(--ease);
}
.page-faq .faq-item__body a:hover {
  color: var(--orange);
  border-color: var(--orange);
}

/* 12 类档案标签 */
.page-faq .archive-tags {
  list-style: none;
  margin: 14px 0 4px;
  padding: 0;
  display: grid;
  grid-template-columns: 1fr;
  gap: 1px;
  background: var(--faq-rule);
  border: 1px solid var(--faq-rule);
}
.page-faq .archive-tags li {
  background: var(--paper);
  padding: 12px 14px;
}
.page-faq .archive-tags__name {
  display: block;
  margin-bottom: 4px;
  font-family: var(--font-headline);
  font-size: 14px;
  font-weight: 600;
  color: var(--moss);
}
.page-faq .archive-tags__desc {
  display: block;
  font-size: 12.5px;
  line-height: 1.65;
  color: var(--grey);
}

/* 赛季筛选范围数据带 */
.page-faq .faq-seasons {
  margin-top: clamp(48px, 8vw, 88px);
  padding: clamp(32px, 5vw, 58px) 0;
  background: var(--archive);
  border-top: 1px solid var(--archive-line);
  border-bottom: 1px solid var(--archive-line);
  color: var(--moss);
}
.page-faq .faq-seasons h2 {
  margin: 0;
  font-family: var(--font-headline);
  font-weight: 600;
  font-size: clamp(20px, 2.8vw, 26px);
  line-height: 1.34;
  color: var(--moss);
}
.page-faq .faq-seasons__note {
  margin: 10px 0 0;
  font-size: 13px;
  line-height: 1.75;
  color: var(--grey);
}
.page-faq .faq-seasons__strip {
  list-style: none;
  margin: 22px 0 0;
  padding: 0 0 8px;
  display: flex;
  gap: 1px;
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
}
.page-faq .faq-season {
  flex: 0 0 auto;
  min-width: 124px;
  padding: 14px 16px;
  background: var(--paper);
  border-top: 2px solid transparent;
  transition: border-color 180ms var(--ease), background 180ms var(--ease);
}
.page-faq .faq-season:hover {
  border-top-color: var(--orange);
  background: #fffdf8;
}
.page-faq .faq-season__name {
  display: block;
  font-family: var(--font-headline);
  font-size: 15px;
  font-weight: 600;
  color: var(--moss);
}
.page-faq .faq-season__state {
  display: block;
  margin-top: 6px;
  font-size: 11.5px;
  letter-spacing: 0.08em;
  color: var(--grey);
  opacity: 0.7;
  transition: opacity 180ms var(--ease);
}
.page-faq .faq-season:hover .faq-season__state {
  opacity: 1;
}
.page-faq .faq-seasons__foot {
  margin: 20px 0 0;
  font-size: 13px;
  line-height: 1.8;
  color: var(--moss);
}
.page-faq .faq-seasons__foot a {
  color: var(--amber-deep);
  text-decoration: none;
  border-bottom: 1px solid currentColor;
  transition: color 180ms var(--ease);
}
.page-faq .faq-seasons__foot a:hover {
  color: var(--orange);
}

/* 桌面端 */
@media (min-width: 900px) {
  .page-faq .faq-hero__inner {
    grid-template-columns: minmax(0, 1.05fr) minmax(0, 0.78fr);
    align-items: center;
    gap: clamp(36px, 5vw, 68px);
  }
  .page-faq .faq-body {
    grid-template-columns: 210px minmax(0, 1fr);
    gap: clamp(32px, 5vw, 76px);
    align-items: start;
  }
  .page-faq .faq-index {
    position: sticky;
    top: calc(var(--shell-top) + 28px);
  }
  .page-faq .faq-index__list {
    display: block;
    gap: 0;
  }
  .page-faq .faq-index__list li {
    position: relative;
    padding-left: 26px;
  }
  .page-faq .faq-index__list li + li {
    margin-top: 24px;
  }
  .page-faq .faq-index__list li::before {
    content: "";
    position: absolute;
    left: 0;
    top: 5px;
    width: 9px;
    height: 9px;
    border-radius: 50%;
    border: 1px solid var(--faq-line-cyan);
    background: var(--paper);
    transition: background 180ms var(--ease), border-color 180ms var(--ease);
  }
  .page-faq .faq-index__list li:not(:last-child)::after {
    content: "";
    position: absolute;
    left: 4px;
    top: 16px;
    bottom: -24px;
    width: 1px;
    background: var(--faq-line-cyan);
  }
  .page-faq .faq-index__list li:hover::before {
    background: var(--cyan);
    border-color: var(--cyan);
  }
  .page-faq .faq-index__list a {
    padding: 0 0 2px;
    border: 0;
    border-radius: 0;
    font-size: 15px;
    background-image: linear-gradient(var(--orange), var(--orange));
    background-repeat: no-repeat;
    background-size: 0% 1px;
    background-position: left bottom;
    transition: background-size 220ms var(--ease), color 180ms var(--ease);
  }
  .page-faq .faq-index__list a:hover {
    color: var(--moss);
    background-size: 100% 1px;
  }
}

@media (min-width: 1024px) {
  .page-faq .archive-tags {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
  .page-faq .faq-season {
    flex: 1 1 0;
    min-width: 0;
  }
}

@media (min-width: 1280px) {
  .page-faq .archive-tags {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
  .page-faq .faq-seasons__strip {
    overflow-x: visible;
  }
}