.page-faq {
  background: var(--night-100);
  color: var(--ink-900);
}

.page-faq .num {
  font-family: var(--font-num);
  font-variant-numeric: tabular-nums;
}

/* ---------- 首屏 ---------- */
.page-faq .faq-hero {
  position: relative;
  padding: calc(var(--nav-h) + 36px) 0 48px;
  border-bottom: 1px solid var(--line-300);
  overflow: hidden;
}

.page-faq .faq-hero__grid {
  display: grid;
  gap: 34px;
  margin-top: 24px;
}

.page-faq .faq-hero__title {
  margin: 10px 0 0;
  font-family: var(--font-head);
  font-weight: 800;
  font-size: clamp(2rem, 8.2vw, 3.4rem);
  line-height: 1.06;
  letter-spacing: -0.01em;
}

.page-faq .faq-hero__lead {
  margin: 16px 0 0;
  max-width: 46ch;
  font-size: 1.0625rem;
  line-height: 1.85;
  color: var(--ink-600);
}

.page-faq .faq-hero__board {
  position: relative;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 24px 18px;
  padding: 26px 20px 22px;
  background: var(--pitch-900);
  border: 1px solid var(--pitch-700);
}

.page-faq .faq-hero__board::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--turf-500) 0 34%, var(--flag-600) 34% 67%, var(--amber-500) 67% 100%);
}

.page-faq .faq-hero__board .stat-block__value {
  display: block;
  font-family: var(--font-num);
  font-weight: 600;
  font-size: clamp(1.5rem, 5.4vw, 2rem);
  line-height: 1.1;
  letter-spacing: 0.02em;
  color: var(--night-50);
}

.page-faq .faq-hero__board .stat-block__value--flag {
  color: var(--flag-600);
}

.page-faq .faq-hero__board .stat-block__value--amber {
  color: var(--amber-500);
}

.page-faq .faq-hero__board .stat-block__label {
  display: block;
  margin-top: 7px;
  font-size: 0.8125rem;
  line-height: 1.65;
  color: var(--turf-300);
}

/* ---------- 主体骨架 ---------- */
.page-faq .page-body {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 0;
  padding-bottom: 88px;
}

.page-faq .rail {
  border-bottom: 1px solid var(--line-300);
}

.page-faq .chapter-index {
  display: flex;
  gap: 0;
  overflow-x: auto;
  padding: 10px 0;
  scrollbar-width: thin;
}

.page-faq .chapter-index__link {
  position: relative;
  flex: 0 0 auto;
  display: inline-flex;
  align-items: baseline;
  gap: 7px;
  padding: 8px 16px 10px 0;
  font-size: 0.875rem;
  line-height: 1.4;
  color: var(--ink-600);
  text-decoration: none;
  white-space: nowrap;
  border-bottom: 2px solid transparent;
  transition: color 0.18s ease, border-color 0.18s ease;
}

.page-faq .chapter-index__link:hover {
  color: var(--ink-900);
}

.page-faq .chapter-index__link.is-active {
  color: var(--flag-700);
  font-weight: 600;
  border-bottom-color: var(--flag-600);
}

.page-faq .faq-idx-num {
  font-size: 0.75rem;
  letter-spacing: 0.06em;
  color: var(--ink-600);
}

.page-faq .chapter-index__link.is-active .faq-idx-num {
  color: var(--flag-600);
}

.page-faq .faq-main {
  min-width: 0;
  padding-top: 36px;
}

/* ---------- 分组 ---------- */
.page-faq .faq-group {
  padding: 44px 0 16px;
  border-top: 1px solid var(--line-300);
}

.page-faq .faq-group:first-child {
  padding-top: 8px;
  border-top: 0;
}

.page-faq .faq-group__head {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: 8px 16px;
  align-items: start;
}

.page-faq .faq-group__num {
  font-size: 1.5rem;
  font-weight: 600;
  line-height: 1;
  letter-spacing: 0.04em;
  color: var(--flag-600);
  padding-top: 6px;
}

.page-faq .faq-group__title {
  margin: 0;
  font-family: var(--font-head);
  font-weight: 700;
  font-size: clamp(1.5rem, 5vw, 2.15rem);
  line-height: 1.16;
  letter-spacing: -0.01em;
}

.page-faq .faq-group__lead {
  grid-column: 2;
  margin: 4px 0 0;
  max-width: 58ch;
  font-size: 0.9375rem;
  line-height: 1.85;
  color: var(--ink-600);
}

/* ---------- 图片 ---------- */
.page-faq .faq-figure {
  margin: 26px 0 4px;
}

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

.page-faq .media-frame__caption {
  margin-top: 9px;
  font-size: 0.8125rem;
  line-height: 1.7;
  color: var(--ink-600);
}

/* ---------- 问答折叠 ---------- */
.page-faq .faq-list {
  margin-top: 22px;
  border-top: 1px solid var(--line-300);
}

.page-faq .faq-item {
  border-bottom: 1px solid var(--line-300);
}

.page-faq .faq-item[open] {
  background: var(--night-50);
}

.page-faq .faq-q {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr) auto;
  gap: 12px;
  align-items: start;
  padding: 18px 12px;
  font-size: 1rem;
  font-weight: 600;
  line-height: 1.65;
  color: var(--ink-900);
  cursor: pointer;
  list-style: none;
}

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

.page-faq .faq-q::marker {
  content: "";
}

.page-faq .faq-q__idx {
  font-size: 0.75rem;
  line-height: 1.9;
  letter-spacing: 0.06em;
  color: var(--ink-600);
}

.page-faq .faq-q__mark {
  position: relative;
  width: 16px;
  height: 16px;
  margin-top: 4px;
}

.page-faq .faq-q__mark::before,
.page-faq .faq-q__mark::after {
  content: "";
  position: absolute;
  background: var(--flag-600);
}

.page-faq .faq-q__mark::before {
  left: 0;
  right: 0;
  top: 7px;
  height: 2px;
}

.page-faq .faq-q__mark::after {
  top: 0;
  bottom: 0;
  left: 7px;
  width: 2px;
  transition: transform 0.2s ease;
}

.page-faq .faq-item[open] .faq-q__mark::after {
  transform: scaleY(0);
}

.page-faq .faq-a {
  padding: 0 12px 20px 38px;
  max-width: 66ch;
  font-size: 0.9375rem;
  line-height: 1.9;
  color: var(--ink-600);
}

.page-faq .faq-inline-link {
  color: var(--flag-700);
  text-decoration: underline;
  text-underline-offset: 3px;
}

/* ---------- 指标对照表 ---------- */
.page-faq .faq-table-scroll {
  margin-top: 26px;
  overflow-x: auto;
  background: var(--night-50);
  border: 1px solid var(--line-300);
}

.page-faq .faq-table {
  width: 100%;
  min-width: 520px;
  border-collapse: collapse;
  font-size: 0.875rem;
}

.page-faq .faq-table__caption {
  padding: 14px 14px 6px;
  text-align: left;
  font-family: var(--font-head);
  font-weight: 700;
  font-size: 0.9375rem;
  letter-spacing: 0.04em;
  color: var(--ink-600);
}

.page-faq .faq-table th,
.page-faq .faq-table td {
  padding: 12px 14px;
  text-align: left;
  vertical-align: top;
  line-height: 1.7;
  border-bottom: 1px solid var(--line-300);
}

.page-faq .faq-table th {
  font-family: var(--font-head);
  font-weight: 700;
  font-size: 0.9375rem;
  letter-spacing: 0.04em;
  background: var(--pitch-900);
  color: var(--night-100);
  border-bottom-color: var(--pitch-700);
  white-space: nowrap;
}

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

.page-faq .faq-table td:first-child {
  font-weight: 600;
  color: var(--ink-900);
  white-space: nowrap;
}

/* ---------- 赛季阶段 ---------- */
.page-faq .faq-stages {
  display: grid;
  gap: 1px;
  margin: 26px 0 0;
  padding: 0;
  list-style: none;
  background: var(--line-300);
  border: 1px solid var(--line-300);
}

.page-faq .faq-stage {
  display: grid;
  gap: 8px;
  padding: 18px 16px;
  background: var(--night-50);
  border-left: 3px solid var(--turf-500);
}

.page-faq .faq-stage:nth-child(2) {
  border-left-color: var(--flag-600);
}

.page-faq .faq-stage:nth-child(3) {
  border-left-color: var(--amber-500);
}

.page-faq .faq-stage .tag {
  justify-self: start;
  font-size: 0.75rem;
}

.page-faq .faq-stage__time {
  font-size: 1.0625rem;
  font-weight: 600;
  letter-spacing: 0.02em;
  color: var(--ink-900);
}

.page-faq .faq-stage__desc {
  font-size: 0.8125rem;
  line-height: 1.7;
  color: var(--ink-600);
}

/* ---------- 联系 ---------- */
.page-faq .faq-contact {
  margin-top: 26px;
  padding: 26px 20px 24px;
  background: var(--pitch-900);
  color: var(--night-100);
  border: 1px solid var(--pitch-700);
}

.page-faq .faq-contact .contact-list {
  display: grid;
  gap: 16px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-faq .faq-contact .contact-list__item {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  grid-template-areas:
    "label btn"
    "value btn";
  gap: 5px 16px;
  align-items: center;
  padding-top: 14px;
  border-top: 1px solid var(--pitch-700);
}

.page-faq .faq-contact .contact-list__item:first-child {
  padding-top: 0;
  border-top: 0;
}

.page-faq .faq-contact .contact-list__label {
  grid-area: label;
  font-size: 0.75rem;
  letter-spacing: 0.1em;
  color: var(--turf-300);
}

.page-faq .faq-contact .contact-list__value {
  grid-area: value;
  font-family: var(--font-num);
  font-size: 0.9375rem;
  line-height: 1.6;
  color: var(--night-50);
  word-break: break-word;
}

.page-faq .faq-contact .copy-btn {
  grid-area: btn;
  align-self: center;
  padding: 7px 12px;
  font-family: var(--font-num);
  font-size: 0.75rem;
  letter-spacing: 0.06em;
  color: var(--turf-300);
  background: transparent;
  border: 1px solid var(--pitch-700);
  cursor: pointer;
  transition: color 0.18s ease, border-color 0.18s ease;
}

.page-faq .faq-contact .copy-btn:hover {
  color: var(--night-50);
  border-color: var(--flag-600);
}

.page-faq .faq-contact .copy-btn.is-copied {
  color: var(--amber-500);
  border-color: var(--amber-500);
}

.page-faq .faq-contact__note {
  margin: 20px 0 0;
  font-size: 0.8125rem;
  line-height: 1.75;
  color: var(--turf-300);
}

.page-faq .faq-contact__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 20px;
}

.page-faq .faq-more {
  display: flex;
  flex-wrap: wrap;
  gap: 10px 22px;
  margin-top: 22px;
  padding-top: 16px;
  border-top: 1px solid var(--line-300);
}

.page-faq .faq-more__link {
  font-size: 0.875rem;
  color: var(--ink-600);
  text-decoration: none;
  border-bottom: 1px solid var(--line-300);
  padding-bottom: 2px;
  transition: color 0.18s ease, border-color 0.18s ease;
}

.page-faq .faq-more__link:hover {
  color: var(--flag-700);
  border-bottom-color: var(--flag-600);
}

/* ---------- 响应式 ---------- */
@media (min-width: 640px) {
  .page-faq .faq-hero {
    padding-top: calc(var(--nav-h) + 56px);
  }

  .page-faq .faq-hero__board {
    padding: 30px 26px 26px;
  }

  .page-faq .faq-contact {
    padding: 32px 28px 30px;
  }

  .page-faq .faq-a {
    padding-left: 46px;
    padding-right: 20px;
  }

  .page-faq .faq-q {
    padding: 20px 20px;
  }
}

@media (min-width: 900px) {
  .page-faq .faq-hero__grid {
    grid-template-columns: minmax(0, 1.22fr) minmax(0, 1fr);
    gap: 56px;
    align-items: end;
  }

  .page-faq .faq-stages {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

@media (min-width: 1024px) {
  .page-faq .page-body {
    grid-template-columns: var(--rail) minmax(0, 1fr);
    gap: 56px;
  }

  .page-faq .rail {
    border-bottom: 0;
    border-right: 1px solid var(--line-300);
    padding-right: 26px;
  }

  .page-faq .chapter-index {
    position: sticky;
    top: calc(var(--nav-h) + 32px);
    flex-direction: column;
    overflow: visible;
    padding: 14px 0 0;
  }

  .page-faq .chapter-index__link {
    padding: 12px 0 12px 16px;
    white-space: normal;
    border-bottom: 0;
    border-top: 1px solid var(--line-300);
  }

  .page-faq .chapter-index__link::before {
    content: "";
    position: absolute;
    left: 0;
    top: 50%;
    width: 0;
    height: 0;
    border-left: 6px solid var(--line-300);
    border-top: 4px solid transparent;
    border-bottom: 4px solid transparent;
    transform: translateY(-50%);
    transition: border-left-color 0.18s ease;
  }

  .page-faq .chapter-index__link.is-active::before {
    border-left-color: var(--flag-600);
  }

  .page-faq .faq-main {
    padding-top: 44px;
  }

  .page-faq .faq-group {
    padding-top: 56px;
  }

  .page-faq .faq-group__num {
    font-size: 2rem;
  }

  .page-faq .faq-group__head {
    gap: 10px 24px;
  }
}

@media (min-width: 1280px) {
  .page-faq .faq-a {
    padding-left: 56px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-faq .faq-q__mark::after,
  .page-faq .chapter-index__link,
  .page-faq .faq-more__link,
  .page-faq .faq-contact .copy-btn {
    transition: none;
  }
}