/* ============================================
   规则答疑 /answers/ 页面专属样式
   作用域：.page-faq
   ============================================ */

.page-faq {
  --faq-mark: var(--nebula);
  --faq-gap: clamp(56px, 8vw, 120px);
}

.page-faq .faq-section__title {
  margin: 0;
  font-size: clamp(26px, 3.6vw, 44px);
  font-weight: 700;
  letter-spacing: -0.02em;
  line-height: 1.14;
  color: var(--fg);
}

/* ---------- 首屏 ---------- */

.page-faq .faq-hero {
  position: relative;
  overflow: hidden;
  padding-block: clamp(72px, 11vw, 140px) clamp(48px, 7vw, 96px);
}

.page-faq .faq-hero__shape {
  position: absolute;
  display: block;
  pointer-events: none;
}

.page-faq .faq-hero__shape--a {
  top: -10%;
  right: -14%;
  width: min(66vw, 760px);
  height: 96%;
  background: linear-gradient(150deg, rgba(108, 75, 255, 0.36), rgba(34, 211, 238, 0.09) 70%, transparent);
  clip-path: polygon(26% 0%, 100% 12%, 86% 100%, 0% 76%);
}

.page-faq .faq-hero__shape--b {
  left: -12%;
  bottom: -34%;
  width: min(52vw, 560px);
  height: 58%;
  background: radial-gradient(60% 60% at 50% 50%, rgba(34, 211, 238, 0.16), transparent 70%);
  clip-path: polygon(0 24%, 100% 0%, 88% 86%, 8% 100%);
}

.page-faq .faq-hero .container {
  position: relative;
}

.page-faq .faq-hero__inner {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(28px, 4vw, 48px);
  align-items: end;
  margin-top: clamp(28px, 4vw, 52px);
}

.page-faq .faq-hero__title {
  margin: 12px 0 20px;
  font-size: clamp(32px, 6vw, 76px);
  font-weight: 200;
  letter-spacing: -0.03em;
  line-height: 1.06;
}

.page-faq .faq-hero__desc {
  max-width: 60ch;
}

.page-faq .faq-hero__hint {
  margin-top: 18px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.06em;
  line-height: 1.7;
  color: var(--fg-muted);
}

.page-faq .faq-hero__meta {
  display: grid;
  gap: 12px;
  padding: 22px 24px;
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  background: rgba(14, 21, 38, 0.62);
}

.page-faq .faq-hero__meta-row {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 16px;
  padding-bottom: 10px;
  border-bottom: 1px solid var(--line);
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--fg-muted);
}

.page-faq .faq-hero__meta-row:last-child {
  padding-bottom: 0;
  border-bottom: 0;
}

.page-faq .faq-hero__meta-row .util-chip__val {
  color: var(--fg);
  text-align: right;
}

/* ---------- 口径速查 ---------- */

.page-faq .faq-quick {
  padding-block: var(--faq-gap);
}

.page-faq .faq-quick__head {
  display: grid;
  gap: 12px;
  max-width: 76ch;
  margin-bottom: clamp(24px, 3vw, 36px);
}

.page-faq .faq-quick__intro {
  margin: 0;
  max-width: 62ch;
  font-size: 15px;
  line-height: 1.75;
  color: var(--fg-muted);
}

.page-faq .faq-figure {
  margin: 0 0 clamp(24px, 3.5vw, 40px);
}

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

.page-faq .faq-filters {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 0 0 18px;
}

.page-faq .faq-filter {
  display: inline-flex;
  align-items: center;
  padding: 8px 16px;
  border: 1px solid var(--line);
  border-radius: 999px;
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 0.02em;
  color: var(--fg-muted);
  cursor: pointer;
  transition: color 0.18s var(--ease), background-color 0.18s var(--ease), border-color 0.18s var(--ease);
}

.page-faq .faq-filter:hover {
  color: var(--fg);
  border-color: var(--pulse);
}

.page-faq .faq-filter-input:focus-visible + .faq-filter {
  outline: 2px solid var(--pulse);
  outline-offset: 2px;
}

.page-faq .faq-filter-input:checked + .faq-filter {
  background: var(--nebula);
  border-color: var(--nebula);
  color: #ffffff;
}

.page-faq .faq-table-wrap {
  border-radius: var(--radius-sm);
  background: var(--white);
}

.page-faq .faq-table {
  width: 100%;
  border-collapse: collapse;
  background: var(--white);
}

.page-faq .faq-table thead th {
  position: sticky;
  top: var(--topbar-h);
  z-index: 2;
  background: var(--white);
  border-bottom: 1px solid var(--hairline);
  font-family: var(--font-sans);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--graphite);
  white-space: nowrap;
}

.page-faq .faq-table td {
  border-bottom: 1px solid var(--hairline);
  vertical-align: top;
  color: var(--ink);
}

.page-faq .faq-table tbody tr:hover td {
  background: rgba(108, 75, 255, 0.06);
}

.page-faq .faq-table tbody tr:last-child td {
  border-bottom: 0;
}

.page-faq .faq-quick:has(#faq-scope-cup:checked) .faq-quick__row:not(.is-cup),
.page-faq .faq-quick:has(#faq-scope-league:checked) .faq-quick__row:not(.is-league),
.page-faq .faq-quick:has(#faq-scope-youth:checked) .faq-quick__row:not(.is-youth) {
  display: none;
}

.page-faq .faq-quick__foot {
  margin: 16px 0 0;
  font-size: 13px;
  line-height: 1.7;
  color: var(--fg-muted);
}

.page-faq .faq-quick__foot a {
  color: var(--nebula);
  text-decoration: underline;
  text-underline-offset: 3px;
}

/* ---------- 问答分组 ---------- */

.page-faq .faq-group {
  padding-block: var(--faq-gap);
}

.page-faq .faq-group__head {
  display: grid;
  gap: 10px;
  margin-bottom: clamp(20px, 3vw, 32px);
}

.page-faq .faq-group__num {
  color: var(--nebula);
}

.page-faq .faq-group__intro {
  margin: 0;
  max-width: 58ch;
  font-size: 15px;
  line-height: 1.75;
  color: var(--fg-muted);
}

.page-faq .faq-accordion .accordion__item {
  border-bottom: 1px solid var(--line);
  border-radius: 0;
  background: none;
}

.page-faq .faq-accordion .accordion__item:first-child {
  border-top: 1px solid var(--line);
}

.page-faq .faq-q {
  margin: 0;
  font-size: inherit;
  font-weight: inherit;
}

.page-faq .faq-q__btn {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr) auto;
  align-items: center;
  gap: clamp(12px, 2vw, 22px);
  width: 100%;
  padding: 20px 0;
  border: 0;
  background: none;
  text-align: left;
  color: var(--fg);
  font-family: var(--font-sans);
  font-size: clamp(16px, 1.6vw, 19px);
  font-weight: 700;
  letter-spacing: 0.01em;
  line-height: 1.4;
  cursor: pointer;
  transition: color 0.18s var(--ease);
}

.page-faq .faq-q__btn:hover {
  color: var(--nebula);
}

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

.page-faq .faq-q__idx {
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 400;
  letter-spacing: 0.18em;
  color: var(--graphite);
}

.page-faq .faq-q__caret {
  display: block;
  width: 9px;
  height: 9px;
  border-right: 2px solid currentColor;
  border-bottom: 2px solid currentColor;
  transform: rotate(45deg);
  transition: transform 0.18s var(--ease);
}

.page-faq .faq-q__btn[aria-expanded="true"] .faq-q__caret {
  transform: rotate(-135deg);
}

.page-faq .faq-accordion .accordion__panel {
  padding: 0 0 24px;
}

.page-faq .faq-a {
  position: relative;
  max-width: 62ch;
  padding-left: 18px;
}

.page-faq .faq-a::before {
  content: "";
  position: absolute;
  left: 0;
  top: 6px;
  bottom: 6px;
  width: 2px;
  border-radius: 2px;
  background: linear-gradient(180deg, var(--nebula), rgba(108, 75, 255, 0));
}

.page-faq .faq-a p {
  margin: 0 0 12px;
  font-size: 15px;
  line-height: 1.75;
  color: var(--fg-muted);
}

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

.page-faq .faq-a a {
  color: var(--nebula);
  text-decoration: underline;
  text-underline-offset: 3px;
}

.page-faq .faq-anchor {
  display: inline-block;
  margin-bottom: 10px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.08em;
  color: var(--graphite) !important;
  text-decoration: none !important;
  transition: color 0.18s var(--ease);
}

.page-faq .faq-anchor:hover,
.page-faq .faq-anchor:focus-visible {
  color: var(--pulse) !important;
}

.page-faq .faq-a ul.faq-fields {
  display: grid;
  gap: 8px;
  margin: 4px 0 0;
  padding: 0;
  list-style: none;
}

.page-faq .faq-a ul.faq-fields li {
  display: grid;
  grid-template-columns: 92px minmax(0, 1fr);
  gap: 12px;
  padding-bottom: 8px;
  border-bottom: 1px solid var(--line);
  font-size: 14px;
  line-height: 1.65;
  color: var(--fg-muted);
}

.page-faq .faq-a ul.faq-fields li:last-child {
  padding-bottom: 0;
  border-bottom: 0;
}

.page-faq .faq-fields__k {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--fg);
}

.page-faq .faq-a ul.faq-list {
  margin: 0 0 12px;
  padding-left: 1.1em;
  list-style: square;
}

.page-faq .faq-a ul.faq-list li {
  margin-bottom: 6px;
  font-size: 15px;
  line-height: 1.7;
  color: var(--fg-muted);
}

.page-faq .faq-a ul.faq-list li::marker {
  color: var(--nebula);
}

/* ---------- 侧栏 ---------- */

.page-faq .faq-side {
  display: grid;
  gap: 18px;
  align-content: start;
  margin-top: clamp(28px, 4vw, 0px);
}

.page-faq .faq-side__figure {
  margin: 0;
}

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

.page-faq .faq-side__card {
  display: grid;
  gap: 10px;
  padding: 20px 22px;
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  background: var(--surface);
}

.page-faq .faq-side__card--warn {
  border-left: 3px solid var(--card-y);
}

.page-faq .faq-side__text {
  margin: 0;
  font-size: 14px;
  line-height: 1.7;
  color: var(--fg-muted);
}

.page-faq .faq-side__links {
  display: grid;
  gap: 10px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-faq .faq-side__links a {
  font-size: 14px;
  line-height: 1.6;
  color: var(--fg-muted);
  text-decoration: none;
  border-bottom: 1px solid var(--line);
  padding-bottom: 8px;
  display: block;
  transition: color 0.18s var(--ease), border-color 0.18s var(--ease);
}

.page-faq .faq-side__links li:last-child a {
  border-bottom: 0;
  padding-bottom: 0;
}

.page-faq .faq-side__links a:hover,
.page-faq .faq-side__links a:focus-visible {
  color: var(--pulse);
  border-color: var(--pulse);
}

/* ---------- 更正提示 ---------- */

.page-faq .faq-note {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 12px;
  margin: clamp(24px, 3vw, 36px) 0 0;
  font-size: 14px;
  line-height: 1.7;
  color: var(--fg-muted);
}

.page-faq .faq-note .pill {
  flex: 0 0 auto;
}

/* ---------- 收尾 ---------- */

.page-faq .faq-ask {
  padding-block: var(--faq-gap);
}

.page-faq .faq-ask__inner {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(24px, 4vw, 56px);
  padding: clamp(28px, 4vw, 52px);
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  background: linear-gradient(140deg, rgba(108, 75, 255, 0.16), rgba(6, 11, 26, 0) 62%);
}

.page-faq .faq-ask__text {
  display: grid;
  gap: 12px;
  align-content: start;
}

.page-faq .faq-ask__text .lead {
  max-width: 54ch;
}

.page-faq .faq-ask__list {
  display: grid;
  gap: 16px;
  align-content: start;
}

.page-faq .faq-checklist {
  display: grid;
  gap: 10px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-faq .faq-checklist li {
  position: relative;
  padding-left: 20px;
  font-size: 14px;
  line-height: 1.7;
  color: var(--fg-muted);
}

.page-faq .faq-checklist li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 8px;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  border: 1px solid var(--nebula);
}

.page-faq .faq-ask__list .btn {
  justify-self: start;
}

/* ---------- 响应式 ---------- */

@media (min-width: 768px) {
  .page-faq .faq-ask__inner {
    grid-template-columns: minmax(0, 6fr) minmax(0, 5fr);
  }
}

@media (min-width: 960px) {
  .page-faq .faq-hero__inner {
    grid-template-columns: minmax(0, 7fr) minmax(0, 4fr);
  }

  .page-faq .faq-side {
    margin-top: 0;
  }
}

@media (max-width: 640px) {
  .page-faq .faq-hero__title br {
    display: none;
  }

  .page-faq .faq-q__btn {
    grid-template-columns: auto minmax(0, 1fr);
    row-gap: 6px;
  }

  .page-faq .faq-q__caret {
    grid-column: 1 / -1;
    justify-self: end;
  }

  .page-faq .faq-a ul.faq-fields li {
    grid-template-columns: minmax(0, 1fr);
    gap: 2px;
  }

  .page-faq .faq-table thead th {
    top: 0;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-faq .faq-q__caret,
  .page-faq .faq-filter,
  .page-faq .faq-anchor,
  .page-faq .faq-side__links a {
    transition: none;
  }
}