.page-faq *,
.page-faq *::before,
.page-faq *::after {
  box-sizing: border-box;
}

.page-faq {
  --faq-measure: 36rem;
  --faq-block-gap: clamp(2.75rem, 7vw, 5.5rem);
  color: var(--text);
}

.page-faq .faq-shell {
  width: 100%;
  max-width: 60rem;
  margin-inline: auto;
  padding: clamp(1.75rem, 5vw, 3.5rem) clamp(1rem, 4vw, 2.5rem) clamp(4rem, 9vw, 7rem);
}

/* ---------- 面包屑 ---------- */
.page-faq .faq-crumb {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: .5rem;
  margin: 0 0 clamp(1.75rem, 5vw, 3rem);
  font-family: var(--font-data);
  font-size: .75rem;
  letter-spacing: .1em;
  text-transform: uppercase;
  color: var(--muted);
}

.page-faq .faq-crumb a {
  color: var(--muted);
  text-decoration: none;
  border-bottom: 1px solid var(--line-2);
  padding-bottom: 1px;
  transition: color .18s var(--ease), border-color .18s var(--ease);
}

.page-faq .faq-crumb a:hover,
.page-faq .faq-crumb a:focus-visible {
  color: var(--cyan);
  border-bottom-color: var(--cyan);
}

.page-faq .faq-crumb span[aria-hidden] {
  color: var(--line-2);
}

/* ---------- 首屏 ---------- */
.page-faq .faq-hero {
  position: relative;
  padding-left: clamp(1rem, 3.5vw, 1.9rem);
  border-left: 3px solid var(--line-2);
  margin-bottom: clamp(2rem, 5vw, 3.25rem);
}

.page-faq .faq-eyebrow {
  margin: 0 0 .7rem;
  font-family: var(--font-data);
  font-size: .75rem;
  letter-spacing: .14em;
  text-transform: uppercase;
  color: var(--muted);
}

.page-faq .faq-hero h1 {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(2.2rem, 8vw, 4.2rem);
  line-height: .98;
  letter-spacing: -.035em;
  text-transform: uppercase;
  color: var(--text);
}

.page-faq .faq-hero h1 em {
  display: block;
  font-style: normal;
  color: var(--cyan);
  margin-top: .18em;
}

.page-faq .faq-lead {
  max-width: var(--faq-measure);
  margin: 1.15rem 0 0;
  font-size: 1.0625rem;
  line-height: 1.8;
  color: var(--text);
}

.page-faq .faq-hero-meta {
  display: flex;
  flex-wrap: wrap;
  gap: .55rem 1.5rem;
  margin: 1.6rem 0 0;
  padding: 1rem 0 0;
  border-top: 2px solid var(--line);
  list-style: none;
  font-family: var(--font-data);
  font-size: .8125rem;
  letter-spacing: .04em;
  color: var(--muted);
}

.page-faq .faq-hero-meta li {
  display: inline-flex;
  align-items: baseline;
  gap: .4rem;
}

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

.page-faq .num--amber {
  color: var(--amber);
  font-weight: 700;
  letter-spacing: .05em;
}

/* ---------- 本页索引 ---------- */
.page-faq .faq-toc {
  display: flex;
  flex-wrap: wrap;
  gap: .5rem;
  margin: 0 0 var(--faq-block-gap);
  padding: clamp(.9rem, 2.5vw, 1.15rem) 0;
  border-top: 2px solid var(--line);
  border-bottom: 2px solid var(--line);
}

.page-faq .faq-toc a {
  display: inline-flex;
  align-items: center;
  gap: .45rem;
  padding: .4rem .75rem;
  border: 1px solid var(--line);
  background: var(--panel);
  color: var(--muted);
  font-family: var(--font-data);
  font-size: .78125rem;
  letter-spacing: .04em;
  text-decoration: none;
  transition: color .18s var(--ease), background .18s var(--ease), border-color .18s var(--ease);
}

.page-faq .faq-toc a .num {
  color: var(--amber);
  font-size: .75rem;
}

.page-faq .faq-toc a:hover,
.page-faq .faq-toc a:focus-visible {
  color: var(--ink);
  background: var(--cyan);
  border-color: var(--cyan);
}

.page-faq .faq-toc a:hover .num,
.page-faq .faq-toc a:focus-visible .num {
  color: var(--ink);
}

/* ---------- 章节骨架 ---------- */
.page-faq .faq-section {
  margin-bottom: var(--faq-block-gap);
  scroll-margin-top: 4.5rem;
}

.page-faq .faq-section-head {
  margin-bottom: clamp(1.25rem, 3vw, 1.9rem);
}

.page-faq .faq-section-head h2 {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(1.55rem, 4.6vw, 2.35rem);
  line-height: 1.1;
  letter-spacing: -.02em;
  text-transform: uppercase;
  color: var(--text);
}

.page-faq .faq-h3 {
  margin: clamp(1.75rem, 4vw, 2.5rem) 0 .9rem;
  font-family: var(--font-display);
  font-size: clamp(1.05rem, 2.6vw, 1.3rem);
  letter-spacing: -.01em;
  color: var(--text);
}

.page-faq .faq-copy {
  max-width: var(--faq-measure);
  margin: 0 0 1rem;
  font-size: 1rem;
  line-height: 1.8;
  color: var(--text);
}

.page-faq .faq-copy--foot {
  margin-top: 1.4rem;
  color: var(--muted);
  font-size: .9375rem;
}

.page-faq .faq-inline {
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px solid var(--line-2);
  padding-bottom: 1px;
}

.page-faq .faq-inline:hover,
.page-faq .faq-inline:focus-visible {
  border-bottom-color: var(--cyan);
}

/* ---------- 配图 ---------- */
.page-faq .faq-figure {
  margin: 0 0 clamp(1.5rem, 4vw, 2.25rem);
  border: 2px solid var(--line);
  background: var(--panel);
  box-shadow: var(--shadow-sm);
}

.page-faq .faq-figure--mid {
  margin: 0 0 var(--faq-block-gap);
}

.page-faq .faq-figure img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 3 / 2;
  object-fit: cover;
}

.page-faq .faq-figure-cap {
  padding: .7rem clamp(.8rem, 2vw, 1.1rem);
  border-top: 2px solid var(--line);
  font-family: var(--font-data);
  font-size: .75rem;
  letter-spacing: .05em;
  color: var(--muted);
  line-height: 1.6;
}

/* ---------- 口径表 ---------- */
.page-faq .faq-table-scroll {
  margin-top: 1.5rem;
  border: 2px solid var(--line);
  background: var(--panel);
  box-shadow: var(--shadow-sm);
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
}

.page-faq .faq-table {
  width: 100%;
  min-width: 42rem;
  border-collapse: collapse;
  font-size: .9375rem;
}

.page-faq .faq-table caption {
  caption-side: top;
  text-align: left;
  padding: .8rem 1rem;
  border-bottom: 1px solid var(--line);
  background: var(--ink-2);
  font-family: var(--font-data);
  font-size: .75rem;
  letter-spacing: .08em;
  color: var(--muted);
}

.page-faq .faq-table th,
.page-faq .faq-table td {
  padding: .85rem 1rem;
  vertical-align: top;
  text-align: left;
  border-bottom: 1px solid var(--line);
  line-height: 1.7;
}

.page-faq .faq-table thead th {
  font-family: var(--font-data);
  font-size: .75rem;
  font-weight: 600;
  letter-spacing: .12em;
  text-transform: uppercase;
  color: var(--muted);
  background: var(--ink-2);
  white-space: nowrap;
}

.page-faq .faq-table tbody tr {
  transition: background .18s var(--ease);
}

.page-faq .faq-table tbody tr:hover {
  background: var(--ink-2);
}

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

.page-faq .faq-table .spec-key {
  font-family: var(--font-data);
  font-size: .875rem;
  font-weight: 600;
  letter-spacing: .04em;
  color: var(--text);
  white-space: nowrap;
  transition: color .18s var(--ease);
}

.page-faq .faq-table tbody tr:hover .spec-key,
.page-faq .faq-table tbody tr:focus-within .spec-key {
  color: var(--cyan);
}

.page-faq .cell-note {
  display: block;
  margin-top: .35rem;
  font-size: .75rem;
  letter-spacing: .02em;
  color: var(--muted);
  transition: color .18s var(--ease);
}

.page-faq .faq-table tbody tr:hover .cell-note {
  color: var(--text);
}

.page-faq .tag {
  display: inline-block;
  padding: .18rem .5rem;
  font-family: var(--font-data);
  font-size: .71875rem;
  letter-spacing: .08em;
  text-transform: uppercase;
  border: 1px solid currentColor;
  white-space: nowrap;
}

.page-faq .tag--judge { color: var(--tag-judge); }
.page-faq .tag--coach { color: var(--tag-coach); }
.page-faq .tag--data { color: var(--amber); }
.page-faq .tag--live { color: var(--cyan); }

/* ---------- 问答组 ---------- */
.page-faq .faq-list {
  display: grid;
  gap: .65rem;
  margin-top: 1.5rem;
}

.page-faq .qa {
  border: 2px solid var(--line);
  border-left-width: 4px;
  background: var(--ink-2);
  transition: border-color .2s var(--ease), background .2s var(--ease), box-shadow .2s var(--ease);
}

.page-faq .qa:hover {
  border-color: var(--line-2);
}

.page-faq .qa[open] {
  border-color: var(--line-2);
  border-left-color: var(--cyan);
  background: var(--panel);
  box-shadow: var(--shadow-sm);
}

.page-faq .qa-head {
  display: flex;
  align-items: flex-start;
  gap: clamp(.6rem, 2vw, 1rem);
  padding: clamp(.9rem, 2.5vw, 1.1rem) clamp(.9rem, 2.5vw, 1.3rem);
  cursor: pointer;
  list-style: none;
}

.page-faq .qa-head::-webkit-details-marker { display: none; }
.page-faq .qa-head::marker { content: ""; }

.page-faq .qa-head:focus-visible {
  outline: 2px solid var(--cyan);
  outline-offset: -3px;
}

.page-faq .qa-num {
  flex: none;
  padding-top: .24rem;
  font-family: var(--font-data);
  font-variant-numeric: tabular-nums;
  font-size: .8125rem;
  letter-spacing: .08em;
  color: var(--amber);
}

.page-faq .qa-q {
  font-family: var(--font-body);
  font-size: 1.0625rem;
  font-weight: 600;
  line-height: 1.55;
  color: var(--text);
  transition: color .2s var(--ease);
}

.page-faq .qa[open] .qa-q {
  color: var(--cyan);
}

.page-faq .qa-mark {
  position: relative;
  flex: none;
  width: 1rem;
  height: 1rem;
  margin-left: auto;
  margin-top: .32rem;
}

.page-faq .qa-mark::before,
.page-faq .qa-mark::after {
  content: "";
  position: absolute;
  background: var(--muted);
  transition: transform .22s var(--ease), opacity .22s var(--ease), background .22s var(--ease);
}

.page-faq .qa-mark::before {
  left: 0;
  right: 0;
  top: 50%;
  height: 2px;
  transform: translateY(-50%);
}

.page-faq .qa-mark::after {
  top: 0;
  bottom: 0;
  left: 50%;
  width: 2px;
  transform: translateX(-50%);
}

.page-faq .qa[open] .qa-mark::before { background: var(--cyan); }

.page-faq .qa[open] .qa-mark::after {
  transform: translateX(-50%) scaleY(0);
  opacity: 0;
}

.page-faq .qa-body {
  padding: 0 clamp(.9rem, 3vw, 1.6rem) clamp(1rem, 3vw, 1.35rem);
}

.page-faq .qa-body p {
  max-width: 40rem;
  margin: 0 0 .85rem;
  padding-top: .95rem;
  border-top: 1px solid var(--line);
  font-size: 1rem;
  line-height: 1.8;
  color: var(--text);
}

.page-faq .qa-body p + p {
  border-top: 0;
  padding-top: 0;
  color: var(--muted);
  font-size: .9375rem;
}

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

.page-faq .qa[open] .qa-body {
  animation: faq-open .24s var(--ease) both;
}

@keyframes faq-open {
  from { opacity: 0; transform: translateY(-6px); }
  to { opacity: 1; transform: none; }
}

/* ---------- 斜向引导线 ---------- */
.page-faq .faq-diag {
  margin: 0 0 var(--faq-block-gap);
  line-height: 0;
}

.page-faq .faq-diag svg {
  display: block;
  width: 100%;
  height: 40px;
}

.page-faq .faq-diag line {
  stroke: var(--line-2);
  stroke-width: 2;
  stroke-linecap: round;
}

/* ---------- 轮次列表 ---------- */
.page-faq .faq-rounds {
  display: grid;
  gap: .45rem;
  margin: 1.5rem 0 clamp(1.75rem, 4vw, 2.5rem);
  padding: 0;
  list-style: none;
}

.page-faq .faq-round {
  display: grid;
  grid-template-columns: 2.1rem minmax(0, 1fr) auto;
  align-items: baseline;
  gap: .35rem .8rem;
  padding: .7rem .95rem;
  border: 1px solid var(--line);
  border-left-width: 3px;
  background: var(--panel);
}

.page-faq .faq-round:nth-child(even) {
  background: var(--ink-2);
}

.page-faq .faq-round:last-child {
  border-left-color: var(--amber);
}

.page-faq .faq-round-id {
  font-family: var(--font-data);
  font-variant-numeric: tabular-nums;
  font-size: .75rem;
  letter-spacing: .1em;
  color: var(--muted);
}

.page-faq .faq-round-name {
  font-size: .9375rem;
  line-height: 1.5;
  color: var(--text);
}

.page-faq .faq-round-pair {
  font-family: var(--font-data);
  font-variant-numeric: tabular-nums;
  font-size: .8125rem;
  letter-spacing: .06em;
  color: var(--amber);
  white-space: nowrap;
}

/* ---------- 名单顺序 ---------- */
.page-faq .faq-order {
  margin: 1rem 0 0;
  padding: 0;
  list-style: none;
  border-top: 2px solid var(--line);
}

.page-faq .faq-order li {
  display: flex;
  align-items: baseline;
  gap: .85rem;
  padding: .8rem 0;
  border-bottom: 1px solid var(--line);
  font-size: .9375rem;
  line-height: 1.7;
  color: var(--text);
}

.page-faq .faq-order-no {
  flex: none;
  width: 1.4rem;
  font-family: var(--font-data);
  font-variant-numeric: tabular-nums;
  font-size: .8125rem;
  letter-spacing: .08em;
  color: var(--tag-judge);
}

/* ---------- 标签说明 ---------- */
.page-faq .faq-legend {
  margin: 1.5rem 0 0;
  border-top: 2px solid var(--line);
}

.page-faq .faq-legend-row {
  display: grid;
  gap: .45rem;
  padding: .95rem 0;
  border-bottom: 1px solid var(--line);
}

.page-faq .faq-legend-row dt {
  font-family: var(--font-data);
}

.page-faq .faq-legend-row dd {
  margin: 0;
  max-width: 40rem;
  font-size: .9375rem;
  line-height: 1.75;
  color: var(--muted);
}

/* ---------- 纠错步骤 ---------- */
.page-faq .faq-steps {
  margin: 1.5rem 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: .6rem;
}

.page-faq .faq-steps li {
  display: grid;
  grid-template-columns: 2.4rem minmax(0, 1fr);
  gap: .9rem;
  align-items: start;
  padding: .9rem 1rem;
  border: 2px solid var(--line);
  border-left-width: 4px;
  background: var(--panel);
}

.page-faq .faq-steps li:nth-child(3) {
  background: var(--ink-2);
}

.page-faq .faq-step-no {
  font-family: var(--font-data);
  font-variant-numeric: tabular-nums;
  font-size: .875rem;
  letter-spacing: .1em;
  color: var(--amber);
  padding-top: .15rem;
}

.page-faq .faq-steps p {
  margin: 0;
  font-size: .9375rem;
  line-height: 1.75;
  color: var(--text);
}

.page-faq .faq-links {
  display: flex;
  flex-wrap: wrap;
  gap: .5rem;
  margin: 2rem 0 0;
  padding: 0;
  list-style: none;
}

.page-faq .faq-links a {
  display: inline-block;
  padding: .45rem .85rem;
  border: 2px solid var(--line-2);
  background: var(--ink-2);
  color: var(--text);
  font-family: var(--font-data);
  font-size: .78125rem;
  letter-spacing: .06em;
  text-decoration: none;
  transition: color .18s var(--ease), background .18s var(--ease), border-color .18s var(--ease), box-shadow .18s var(--ease);
}

.page-faq .faq-links a:hover,
.page-faq .faq-links a:focus-visible {
  color: var(--ink);
  background: var(--amber);
  border-color: var(--amber);
  box-shadow: var(--shadow-sm);
}

.page-faq .faq-disclaimer {
  max-width: var(--faq-measure);
  margin: 2rem 0 0;
  padding-top: 1rem;
  border-top: 2px solid var(--line);
  font-size: .8125rem;
  line-height: 1.75;
  color: var(--muted);
}

/* ---------- 响应式 ---------- */
@media (min-width: 40rem) {
  .page-faq .faq-hero-meta {
    gap: .6rem 2.25rem;
  }

  .page-faq .faq-legend-row {
    grid-template-columns: 7.5rem minmax(0, 1fr);
    gap: 1.1rem;
    align-items: baseline;
  }

  .page-faq .faq-legend-row dt {
    text-align: left;
  }
}

@media (min-width: 56rem) {
  .page-faq .faq-rounds {
    max-width: 46rem;
  }

  .page-faq .faq-hero {
    padding-left: 2rem;
  }
}

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

  .page-faq .qa,
  .page-faq .qa-mark::before,
  .page-faq .qa-mark::after,
  .page-faq .faq-toc a,
  .page-faq .faq-links a {
    transition: none;
  }
}
</main>