/* ========== 问答中心 page-faq ========== */
.page-faq {
  --faq-grid-color: rgba(244, 233, 216, 0.05);
  --faq-accent: var(--mgu-red);
  background-color: var(--mgu-bg);
  background-image:
    linear-gradient(var(--faq-grid-color) 1px, transparent 1px),
    linear-gradient(90deg, var(--faq-grid-color) 1px, transparent 1px);
  background-size: 36px 36px;
  box-shadow: inset 0 0 0 1px var(--mgu-line-weak);
  padding: 32px 0 72px;
  color: var(--mgu-cream);
  min-height: 100vh;
}

.page-faq .mgu-breadcrumb {
  margin-bottom: 24px;
}

/* ---------- 首屏标题区 ---------- */
.page-faq .faq-hero {
  position: relative;
  padding: 16px 0 28px;
  border-bottom: 1px solid var(--mgu-line-strong);
}

.page-faq .faq-hero::before {
  content: "FAQ / 问答坐标";
  display: none;
  position: absolute;
  top: 10px;
  right: 0;
  font-family: var(--mgu-font-mono);
  font-size: 11px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--mgu-muted);
  opacity: 0.7;
}

.page-faq .faq-hero__title {
  font-family: var(--mgu-font-display);
  font-size: clamp(30px, 6vw, 56px);
  line-height: 1.08;
  text-transform: uppercase;
  letter-spacing: 0.01em;
  max-width: 14em;
  margin: 8px 0 14px;
}

.page-faq .faq-hero .mgu-lead {
  max-width: 60ch;
  margin-bottom: 16px;
}

.page-faq .faq-hint {
  font-size: 13px;
  color: var(--mgu-muted);
  margin: 0 0 16px;
  padding-left: 14px;
  border-left: 2px solid var(--mgu-gold);
}

/* ---------- 热门直达 ---------- */
.page-faq .faq-hot {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px 14px;
  margin: 0 0 14px;
  padding: 12px 16px;
  border: 1px dashed var(--mgu-line);
  border-radius: var(--mgu-radius);
  background: rgba(21, 19, 16, 0.5);
}

.page-faq .faq-hot__label {
  font-family: var(--mgu-font-mono);
  font-size: 11px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--mgu-muted);
}

.page-faq .faq-hot a {
  color: var(--mgu-cream);
  font-size: 13px;
  font-weight: 600;
  text-decoration: none;
  border-bottom: 1px solid var(--mgu-line);
  padding-bottom: 2px;
  transition: color var(--mgu-speed) var(--mgu-ease), border-color var(--mgu-speed) var(--mgu-ease);
}

.page-faq .faq-hot a:hover,
.page-faq .faq-hot a:focus-visible {
  color: var(--mgu-red);
  border-color: var(--mgu-red);
}

/* ---------- 快速索引 ---------- */
.page-faq .faq-index {
  display: grid;
  grid-template-columns: 1fr;
  gap: 10px;
  margin-top: 4px;
  padding: 18px;
  border: 1px solid var(--mgu-line);
  border-radius: var(--mgu-radius);
  background: linear-gradient(135deg, var(--mgu-surface) 0%, rgba(21, 19, 16, 0.4) 100%);
}

.page-faq .faq-index__title {
  font-family: var(--mgu-font-mono);
  font-size: 11px;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--mgu-muted);
  padding-bottom: 4px;
  border-bottom: 1px dashed var(--mgu-line);
}

.page-faq .faq-index__link {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 12px 14px;
  border: 1px solid var(--mgu-line-weak);
  border-radius: var(--mgu-radius);
  background: rgba(21, 19, 16, 0.7);
  color: var(--mgu-cream);
  text-decoration: none;
  font-size: 14px;
  font-weight: 600;
  transition: border-color var(--mgu-speed) var(--mgu-ease), transform var(--mgu-speed) var(--mgu-ease), background-color var(--mgu-speed) var(--mgu-ease);
}

.page-faq .faq-index__link::before {
  content: "";
  flex-shrink: 0;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--mgu-red);
  box-shadow: 0 0 0 3px rgba(232, 83, 46, 0.18);
  transition: background-color var(--mgu-speed) var(--mgu-ease);
}

.page-faq .faq-index__link:nth-child(3)::before {
  background: var(--mgu-blue-bright);
  box-shadow: 0 0 0 3px rgba(58, 124, 165, 0.18);
}

.page-faq .faq-index__link:nth-child(4)::before {
  background: var(--mgu-gold);
  box-shadow: 0 0 0 3px rgba(212, 166, 79, 0.18);
}

.page-faq .faq-index__link:hover,
.page-faq .faq-index__link:focus-visible {
  border-color: var(--mgu-line-strong);
  transform: translateX(4px);
}

/* ---------- 指标条 ---------- */
.page-faq .faq-stats {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
  margin: 32px 0 8px;
}

.page-faq .faq-stats__item {
  padding: 14px 16px;
  border-left: 3px solid var(--mgu-red);
  background: linear-gradient(90deg, var(--mgu-surface) 0%, transparent 120%);
  border-radius: 0 var(--mgu-radius) var(--mgu-radius) 0;
}

.page-faq .faq-stats__item:nth-child(2) {
  border-left-color: var(--mgu-blue-bright);
}

.page-faq .faq-stats__item:nth-child(3) {
  border-left-color: var(--mgu-gold);
}

.page-faq .faq-stats__item:nth-child(4) {
  border-left-color: var(--mgu-red);
}

.page-faq .faq-stats__num {
  display: block;
  font-family: var(--mgu-font-display);
  font-size: 28px;
  line-height: 1;
  color: var(--mgu-cream);
}

.page-faq .faq-stats__label {
  display: block;
  margin-top: 6px;
  font-size: 12px;
  color: var(--mgu-muted);
  letter-spacing: 0.04em;
}

/* ---------- 章节通用 ---------- */
.page-faq .faq-section {
  scroll-margin-top: 96px;
  padding: 48px 0 16px;
  border-bottom: 1px solid var(--mgu-line-weak);
}

.page-faq .faq-section .mgu-chapter,
.page-faq .faq-contact .mgu-chapter {
  display: flex;
  align-items: flex-start;
  gap: 16px;
  margin-bottom: 24px;
}

.page-faq .mgu-chapter__num {
  font-family: var(--mgu-font-display);
  font-size: 46px;
  line-height: 0.9;
  flex-shrink: 0;
}

.page-faq .faq-chapter__body {
  flex: 1;
  min-width: 0;
}

.page-faq .faq-chapter__desc {
  color: var(--mgu-muted);
  font-size: 14px;
  margin-top: 4px;
}

/* ---------- 双列布局 ---------- */
.page-faq .faq-layout {
  display: grid;
  gap: 28px;
  margin-top: 24px;
}

.page-faq .faq-layout__main {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

/* ---------- 折叠问答项 ---------- */
.page-faq .faq-item {
  scroll-margin-top: 96px;
  border: 1px solid var(--mgu-line);
  border-radius: var(--mgu-radius);
  background: rgba(21, 19, 16, 0.82);
  overflow: hidden;
  transition: border-color var(--mgu-speed) var(--mgu-ease), box-shadow var(--mgu-speed) var(--mgu-ease);
}

.page-faq .faq-item[open] {
  border-color: rgba(232, 83, 46, 0.55);
  box-shadow: 0 12px 32px -16px var(--mgu-shadow);
}

.page-faq .faq-item__summary {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 16px;
  cursor: pointer;
  list-style: none;
  font-weight: 600;
  font-size: 15px;
  line-height: 1.45;
  color: var(--mgu-cream);
  user-select: none;
}

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

.page-faq .faq-item__summary:focus-visible {
  outline: 1px solid var(--mgu-red);
  outline-offset: -1px;
}

.page-faq .faq-item__qnum {
  font-family: var(--mgu-font-mono);
  font-size: 12px;
  color: var(--mgu-red);
  border: 1px solid rgba(232, 83, 46, 0.45);
  border-radius: 4px;
  padding: 3px 7px;
  flex-shrink: 0;
  line-height: 1;
}

.page-faq .faq-item__qtext {
  flex: 1;
  min-width: 0;
}

.page-faq .faq-item__icon {
  position: relative;
  flex-shrink: 0;
  width: 22px;
  height: 22px;
  border: 1px solid var(--mgu-line);
  border-radius: 4px;
}

.page-faq .faq-item__icon::before,
.page-faq .faq-item__icon::after {
  content: "";
  position: absolute;
  left: 50%;
  top: 50%;
  width: 10px;
  height: 2px;
  background: var(--mgu-cream);
  transform: translate(-50%, -50%);
  transition: transform var(--mgu-speed) var(--mgu-ease);
}

.page-faq .faq-item__icon::after {
  transform: translate(-50%, -50%) rotate(90deg);
}

.page-faq .faq-item[open] .faq-item__icon::after {
  transform: translate(-50%, -50%) rotate(0deg);
}

.page-faq .faq-item[open] .faq-item__answer {
  animation: mgu-faq-answer-in var(--mgu-speed) var(--mgu-ease);
}

@keyframes mgu-faq-answer-in {
  from {
    opacity: 0;
    transform: translateY(-4px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.page-faq .faq-item__answer {
  margin: 0 16px 16px 42px;
  padding: 12px 14px;
  border-left: 2px solid var(--mgu-red);
  background: rgba(21, 19, 16, 0.5);
  border-radius: 0 var(--mgu-radius) var(--mgu-radius) 0;
  color: var(--mgu-muted);
  font-size: 14px;
  line-height: 1.8;
}

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

/* ---------- 图片 ---------- */
.page-faq .faq-figure {
  margin: 0;
  border: 1px solid var(--mgu-line);
  border-radius: var(--mgu-radius);
  overflow: hidden;
  background: var(--mgu-surface-2);
  align-self: start;
}

.page-faq .faq-figure__img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 2 / 1;
  object-fit: cover;
}

.page-faq .faq-figure figcaption {
  padding: 10px 14px;
  font-size: 12px;
  color: var(--mgu-muted);
  border-top: 1px solid var(--mgu-line-weak);
  font-family: var(--mgu-font-mono);
  letter-spacing: 0.02em;
}

/* ---------- 图例（赛事分类标签） ---------- */
.page-faq .faq-legend {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin: 24px 0 4px;
}

.page-faq .faq-legend__item {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 7px 14px;
  border: 1px solid var(--mgu-line);
  border-radius: 999px;
  background: var(--mgu-surface);
  font-size: 13px;
  font-weight: 600;
  color: var(--mgu-cream);
}

.page-faq .faq-legend__dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--mgu-red);
}

.page-faq .faq-legend__dot--red {
  background: var(--mgu-red);
}

.page-faq .faq-legend__dot--blue {
  background: var(--mgu-blue-bright);
}

.page-faq .faq-legend__dot--gold {
  background: var(--mgu-gold);
}

.page-faq .faq-legend__dot--cyan {
  background: #5BA0C9;
}

/* ---------- 底部联系 ---------- */
.page-faq .faq-contact {
  margin-top: 56px;
  padding: 32px 24px;
  border: 1px solid var(--mgu-line);
  border-radius: var(--mgu-radius);
  background: linear-gradient(135deg, var(--mgu-surface) 0%, rgba(21, 19, 16, 0.6) 100%);
  scroll-margin-top: 96px;
}

.page-faq .faq-contact__note {
  color: var(--mgu-muted);
  font-size: 14px;
  line-height: 1.8;
  margin: 16px 0 20px;
  max-width: 62ch;
  padding-left: 14px;
  border-left: 2px solid var(--mgu-gold);
}

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

/* ---------- 响应式：平板 ---------- */
@media (min-width: 640px) {
  .page-faq .faq-hero::before {
    display: block;
  }

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

  .page-faq .faq-index {
    grid-template-columns: 1fr 1fr;
  }

  .page-faq .faq-index__title {
    grid-column: 1 / -1;
  }
}

/* ---------- 响应式：桌面 ---------- */
@media (min-width: 960px) {
  .page-faq .faq-hero {
    padding-top: 32px;
  }

  .page-faq .faq-layout {
    grid-template-columns: minmax(0, 1.15fr) minmax(0, 0.85fr);
    align-items: start;
  }

  .page-faq .faq-layout--reverse {
    grid-template-columns: minmax(0, 0.85fr) minmax(0, 1.15fr);
  }

  .page-faq .faq-layout--reverse .faq-figure {
    order: -1;
  }

  .page-faq .faq-layout--single {
    grid-template-columns: minmax(0, 1fr);
    max-width: 880px;
  }
}

/* ---------- 减弱动效 ---------- */
@media (prefers-reduced-motion: reduce) {
  .page-faq .faq-item,
  .page-faq .faq-item__icon::before,
  .page-faq .faq-item__icon::after,
  .page-faq .faq-index__link,
  .page-faq .faq-hot a {
    transition: none;
  }

  .page-faq .faq-item[open] .faq-item__answer {
    animation: none;
  }
}