.page-faq {
  background: var(--yb-bg);
  color: var(--yb-ink);
  overflow-x: clip;
  padding-bottom: clamp(28px, 5vw, 56px);
}

.page-faq .faq-shell {
  width: var(--yb-shell);
  margin-inline: auto;
  padding-top: clamp(84px, 12vw, 132px);
}

.page-faq .faq-crumb {
  margin-bottom: clamp(18px, 3vw, 30px);
}

/* ---------- 首屏 ---------- */
.page-faq .faq-hero {
  display: grid;
  gap: clamp(28px, 4vw, 52px);
}

.page-faq .faq-hero__title {
  font-family: var(--yb-font-serif);
  font-size: clamp(30px, 6.2vw, 58px);
  line-height: 1.14;
  letter-spacing: -0.01em;
  font-weight: 700;
  color: var(--yb-ink);
  margin: 14px 0 0;
}

.page-faq .faq-hero__lede {
  margin: 18px 0 0;
  max-width: 48ch;
  font-size: 16.5px;
  line-height: 1.78;
  color: var(--yb-muted);
}

.page-faq .faq-hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: clamp(22px, 3vw, 30px);
}

.page-faq .faq-hero__index {
  border-top: 1px solid var(--yb-grid);
  padding-top: 18px;
}

.page-faq .faq-hero__index-title {
  margin: 0;
  font-family: var(--yb-font-cond);
  font-size: 13px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--yb-cool);
}

.page-faq .faq-hero__index-list {
  list-style: none;
  margin: 12px 0 0;
  padding: 0;
}

.page-faq .faq-hero__index-list a {
  display: flex;
  align-items: baseline;
  gap: 12px;
  padding: 9px 0;
  font-size: 15px;
  line-height: 1.5;
  color: var(--yb-ink);
  text-decoration: none;
  border-bottom: 1px solid rgba(20, 56, 47, 0.7);
  transition: color 0.18s ease;
}

.page-faq .faq-hero__index-list li:last-child a {
  border-bottom: 0;
}

.page-faq .faq-hero__index-list .yb-num {
  font-family: var(--yb-font-mono);
  font-size: 12.5px;
  letter-spacing: 0.06em;
  color: var(--yb-accent);
  flex: none;
}

.page-faq .faq-hero__index-list a:hover,
.page-faq .faq-hero__index-list a:focus-visible {
  color: var(--yb-accent);
}

/* ---------- 区块骨架 ---------- */
.page-faq .faq-block {
  position: relative;
  border-radius: clamp(24px, 3.2vw, 44px);
  padding: clamp(32px, 5.2vw, 70px) clamp(20px, 4vw, 62px);
  margin-top: clamp(18px, 2.8vw, 34px);
  overflow: hidden;
}

.page-faq .faq-block--dark {
  --faq-head: var(--yb-ink);
  --faq-body: var(--yb-muted);
  --faq-hair: #14382f;
  background: var(--yb-layer);
  color: var(--yb-ink);
}

.page-faq .faq-block--paper {
  --faq-head: var(--yb-ink-dark);
  --faq-body: #3d4c46;
  --faq-hair: rgba(23, 36, 31, 0.16);
  background: var(--yb-paper);
  color: var(--yb-ink-dark);
}

.page-faq .faq-block--dark::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(var(--yb-grid) 1px, transparent 1px),
    linear-gradient(90deg, var(--yb-grid) 1px, transparent 1px);
  background-size: clamp(42px, 6vw, 72px) clamp(42px, 6vw, 72px);
  opacity: 0.55;
  pointer-events: none;
  -webkit-mask-image: radial-gradient(120% 78% at 100% 0%, #000 0%, transparent 74%);
  mask-image: radial-gradient(120% 78% at 100% 0%, #000 0%, transparent 74%);
}

.page-faq .faq-block__head {
  position: relative;
  max-width: 62ch;
  margin-bottom: clamp(24px, 3.6vw, 44px);
}

.page-faq .yb-h2 {
  font-family: var(--yb-font-serif);
  font-size: clamp(24px, 3.3vw, 40px);
  line-height: 1.2;
  letter-spacing: -0.01em;
  font-weight: 700;
  color: var(--faq-head, var(--yb-ink));
  margin: 10px 0 0;
}

.page-faq .yb-h3 {
  font-family: var(--yb-font-serif);
  font-size: clamp(19px, 2.1vw, 23px);
  line-height: 1.32;
  font-weight: 600;
  color: var(--faq-head, var(--yb-ink));
  margin: 0;
}

.page-faq .faq-p {
  margin: 14px 0 0;
  font-size: 16px;
  line-height: 1.78;
  color: var(--faq-body, var(--yb-muted));
}

.page-faq .faq-p--tight {
  margin-top: clamp(20px, 2.6vw, 28px);
}

.page-faq .yb-note {
  margin-top: 16px;
  font-size: 14px;
  line-height: 1.75;
  color: var(--faq-body, var(--yb-muted));
}

.page-faq .yr-num,
.page-faq .yb-num {
  font-variant-numeric: tabular-nums;
}

/* ---------- 第一节：三步 ---------- */
.page-faq .faq-steps {
  position: relative;
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: clamp(20px, 2.6vw, 32px);
}

.page-faq .faq-steps__item {
  padding-top: 20px;
  border-top: 1px solid var(--faq-hair);
}

.page-faq .faq-steps__num {
  display: inline-block;
  font-family: var(--yb-font-mono);
  font-size: 22px;
  line-height: 1;
  letter-spacing: 0.02em;
  color: var(--yb-bg);
  background: var(--yb-accent);
  border-radius: var(--yb-pill);
  padding: 9px 18px;
  margin-bottom: 16px;
}

.page-faq .faq-steps__title {
  font-family: var(--yb-font-cond);
  font-size: 20px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  font-weight: 600;
  color: var(--faq-head);
  margin: 0 0 8px;
}

.page-faq .faq-steps__item p {
  margin: 0;
  font-size: 15.5px;
  line-height: 1.75;
  color: var(--faq-body);
}

/* ---------- 图片 ---------- */
.page-faq .faq-figure {
  margin: clamp(28px, 4vw, 48px) 0 0;
}

.page-faq .faq-figure .yb-media {
  border-radius: clamp(16px, 2.2vw, 26px);
  overflow: hidden;
  border: 1px solid var(--faq-hair);
}

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

.page-faq .faq-figure figcaption {
  margin-top: 12px;
  font-size: 13.5px;
  line-height: 1.65;
  color: var(--faq-body);
  opacity: 0.85;
}

/* ---------- 第二节：抢断字段 ---------- */
.page-faq .faq-split {
  display: grid;
  gap: clamp(26px, 3.4vw, 44px);
}

.page-faq .faq-legend {
  list-style: none;
  margin: 0;
  padding: 0;
  border-top: 1px solid var(--faq-hair);
}

.page-faq .faq-legend__item {
  display: grid;
  gap: 6px;
  padding: 16px 10px 16px 12px;
  margin-inline: -10px;
  border-radius: 12px;
  border-bottom: 1px solid var(--faq-hair);
  transition: background-color 0.18s ease;
}

.page-faq .faq-legend__item:hover {
  background: rgba(53, 231, 192, 0.08);
}

.page-faq .faq-legend__key {
  font-family: var(--yb-font-mono);
  font-size: 13.5px;
  line-height: 1.5;
  color: var(--faq-head);
  border-left: 2px solid var(--yb-cool);
  padding-left: 10px;
  transition: color 0.18s ease, border-color 0.18s ease;
}

.page-faq .faq-legend__item:hover .faq-legend__key {
  color: #0f8a72;
  border-color: var(--yb-signal);
}

.page-faq .faq-legend__desc {
  font-size: 15.5px;
  line-height: 1.75;
  color: var(--faq-body);
}

.page-faq .faq-sub {
  margin-top: clamp(24px, 3vw, 36px);
}

.page-faq .faq-chips {
  list-style: none;
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin: 16px 0 0;
  padding: 0;
}

.page-faq .faq-chips li {
  font-family: var(--yb-font-cond);
  font-size: 13.5px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  padding: 8px 18px;
  border-radius: var(--yb-pill);
  border: 1px solid var(--faq-hair);
  background: rgba(23, 36, 31, 0.05);
  color: var(--faq-head);
}

/* ---------- 第三节：外援名额 ---------- */
.page-faq .faq-duo {
  position: relative;
  display: grid;
  gap: clamp(16px, 2vw, 22px);
}

.page-faq .faq-duo__card {
  border: 1px solid var(--yb-grid);
  border-radius: clamp(16px, 2vw, 24px);
  padding: clamp(20px, 2.8vw, 30px);
  background: rgba(6, 20, 16, 0.55);
  transition: transform 0.18s ease, border-color 0.18s ease;
}

.page-faq .faq-duo__card:hover,
.page-faq .faq-duo__card:focus-within {
  transform: translateY(-4px);
  border-color: var(--yb-accent);
}

.page-faq .faq-duo__card--accent {
  border-color: rgba(255, 122, 61, 0.5);
  background: rgba(255, 122, 61, 0.08);
}

.page-faq .faq-duo__card--accent:hover {
  border-color: var(--yb-signal);
}

.page-faq .faq-duo__label {
  margin: 0 0 10px;
  font-family: var(--yb-font-cond);
  font-size: 14px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--yb-accent);
}

.page-faq .faq-duo__card--accent .faq-duo__label {
  color: var(--yb-signal);
}

.page-faq .faq-duo__card p {
  margin: 0;
  font-size: 15.5px;
  line-height: 1.75;
  color: var(--yb-muted);
}

.page-faq .faq-metrics {
  position: relative;
  list-style: none;
  margin: clamp(24px, 3vw, 38px) 0 0;
  padding: 0;
  display: grid;
  gap: clamp(18px, 2.4vw, 26px);
}

.page-faq .faq-metrics__name {
  display: inline-block;
  margin: 0;
  padding-bottom: 10px;
  font-size: 15.5px;
  line-height: 1.4;
  color: var(--faq-head);
  border-bottom: 1px solid var(--yb-accent);
}

.page-faq .faq-metrics__desc {
  margin: 12px 0 0;
  font-size: 15px;
  line-height: 1.75;
  color: var(--faq-body);
}

/* ---------- 第四节：裁判角色 ---------- */
.page-faq .faq-roles {
  margin: 0;
  border-top: 1px solid var(--faq-hair);
}

.page-faq .faq-roles__row {
  display: grid;
  gap: 8px;
  padding: clamp(16px, 2vw, 22px) 0;
  border-bottom: 1px solid var(--faq-hair);
}

.page-faq .faq-roles__row dt {
  display: flex;
  align-items: baseline;
  flex-wrap: wrap;
  gap: 12px;
}

.page-faq .faq-roles__code {
  font-family: var(--yb-font-mono);
  font-size: 12.5px;
  letter-spacing: 0.06em;
  color: #061410;
  background: var(--yb-accent);
  border-radius: var(--yb-pill);
  padding: 5px 12px;
}

.page-faq .faq-roles__name {
  font-size: 16.5px;
  font-weight: 600;
  color: var(--faq-head);
}

.page-faq .faq-roles__row dd {
  margin: 0;
  font-size: 15.5px;
  line-height: 1.75;
  color: var(--faq-body);
}

/* ---------- 第五节：手机端路径 ---------- */
.page-faq .faq-path {
  position: relative;
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 12px;
}

.page-faq .faq-path li {
  display: flex;
  align-items: baseline;
  gap: 14px;
  padding: 14px 18px;
  border-radius: var(--yb-radius-sm);
  border-left: 2px solid var(--yb-accent);
  background: rgba(53, 231, 192, 0.07);
  font-size: 15.5px;
  line-height: 1.7;
  color: var(--yb-muted);
}

.page-faq .faq-path .yb-num {
  flex: none;
  font-family: var(--yb-font-mono);
  font-size: 12.5px;
  letter-spacing: 0.06em;
  color: var(--yb-accent);
}

.page-faq .faq-flow {
  display: block;
  width: 100%;
  height: auto;
  margin-top: clamp(24px, 3vw, 34px);
}

.page-faq .faq-flow__pill {
  fill: rgba(53, 231, 192, 0.07);
  stroke: rgba(53, 231, 192, 0.32);
  stroke-width: 1.5;
}

.page-faq .faq-flow__pill--accent {
  fill: rgba(255, 122, 61, 0.14);
  stroke: rgba(255, 122, 61, 0.72);
}

.page-faq .faq-flow__link {
  stroke: var(--yb-cool);
  stroke-width: 1.5;
  stroke-dasharray: 6 6;
}

.page-faq .faq-flow__text {
  fill: #f4f8f6;
  font-family: var(--yb-font-body);
  font-size: 15px;
}

/* ---------- 第六节：补时三段 ---------- */
.page-faq .faq-bands {
  display: grid;
  gap: 16px;
  margin: 0 0 clamp(24px, 3vw, 34px);
}

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

.page-faq .faq-bands__label {
  font-family: var(--yb-font-mono);
  font-size: 13px;
  letter-spacing: 0.04em;
  color: var(--faq-head);
  min-width: 5.4em;
}

.page-faq .faq-bands__track {
  display: block;
  height: 14px;
  border-radius: var(--yb-pill);
  background: rgba(23, 36, 31, 0.09);
  overflow: hidden;
}

.page-faq .faq-bands__fill {
  display: block;
  height: 100%;
  border-radius: var(--yb-pill);
  background: linear-gradient(90deg, var(--yb-cool), var(--yb-accent));
}

.page-faq .faq-bands__row:nth-child(1) .faq-bands__fill { width: 44%; }
.page-faq .faq-bands__row:nth-child(2) .faq-bands__fill { width: 70%; }
.page-faq .faq-bands__row:nth-child(3) .faq-bands__fill { width: 92%; }

.page-faq .faq-details {
  border-top: 1px solid var(--faq-hair);
  border-bottom: 1px solid var(--faq-hair);
  margin-top: clamp(16px, 2.2vw, 24px);
}

.page-faq .faq-details + .faq-details {
  margin-top: -1px;
}

.page-faq .faq-details summary {
  cursor: pointer;
  list-style: none;
  padding: 16px 0;
  font-family: var(--yb-font-cond);
  font-size: 14px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--faq-head);
}

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

.page-faq .faq-details summary::after {
  content: "+";
  float: right;
  font-family: var(--yb-font-mono);
  color: var(--yb-accent);
}

.page-faq .faq-details[open] summary::after { content: "–"; }

.page-faq .faq-details summary:focus-visible {
  outline: 2px solid var(--yb-signal);
  outline-offset: 3px;
}

.page-faq .faq-details__body {
  padding-bottom: 18px;
}

.page-faq .faq-details__body p {
  margin: 0 0 12px;
  font-size: 15.5px;
  line-height: 1.78;
  color: var(--faq-body);
}

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

/* ---------- 第七节：更新节奏 ---------- */
.page-faq .faq-timeline {
  position: relative;
  list-style: none;
  margin: 0;
  padding: 0;
}

.page-faq .faq-timeline li {
  position: relative;
  padding: 18px 0 20px 30px;
}

.page-faq .faq-timeline li::before {
  content: "";
  position: absolute;
  left: 3px;
  top: 26px;
  width: 9px;
  height: 9px;
  border-radius: 50%;
  background: var(--yb-accent);
}

.page-faq .faq-timeline li::after {
  content: "";
  position: absolute;
  left: 7px;
  top: 40px;
  bottom: 0;
  width: 1px;
  background: var(--yb-grid);
}

.page-faq .faq-timeline li:last-child::after { display: none; }

.page-faq .faq-timeline__time {
  display: block;
  margin-bottom: 6px;
  font-family: var(--yb-font-mono);
  font-size: 14px;
  letter-spacing: 0.04em;
  color: var(--yb-accent);
}

.page-faq .faq-timeline li p {
  margin: 0;
  font-size: 15.5px;
  line-height: 1.75;
  color: var(--faq-body);
}

/* ---------- 结尾 ---------- */
.page-faq .faq-outro .yb-h2 {
  max-width: 22ch;
}

.page-faq .faq-outro .faq-hero__actions {
  margin-top: clamp(22px, 3vw, 30px);
}

.page-faq .faq-block--paper .yb-btn--ghost {
  color: var(--yb-ink-dark);
  border-color: rgba(23, 36, 31, 0.3);
}

.page-faq .faq-block--paper .yb-btn--ghost:hover,
.page-faq .faq-block--paper .yb-btn--ghost:focus-visible {
  border-color: var(--yb-ink-dark);
  color: var(--yb-ink-dark);
}

/* ---------- 响应式 ---------- */
@media (min-width: 640px) {
  .page-faq .faq-legend__item {
    grid-template-columns: minmax(0, 13.5rem) minmax(0, 1fr);
    gap: 22px;
    align-items: baseline;
  }
}

@media (min-width: 720px) {
  .page-faq .faq-steps {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: clamp(22px, 3vw, 36px);
  }

  .page-faq .faq-duo {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

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

  .page-faq .faq-roles__row {
    grid-template-columns: minmax(0, 14rem) minmax(0, 1fr);
    gap: 30px;
    align-items: baseline;
  }

  .page-faq .faq-path {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (min-width: 900px) {
  .page-faq .faq-hero {
    grid-template-columns: minmax(0, 7fr) minmax(0, 4fr);
    align-items: end;
    gap: clamp(36px, 5vw, 76px);
  }

  .page-faq .faq-hero__index {
    padding-top: 20px;
  }

  .page-faq .faq-split {
    grid-template-columns: minmax(0, 4fr) minmax(0, 7fr);
    gap: clamp(34px, 4.4vw, 68px);
  }

  .page-faq .faq-split__side {
    padding-top: 6px;
  }

  .page-faq .faq-timeline {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    column-gap: clamp(28px, 4vw, 56px);
  }

  .page-faq .faq-timeline li:nth-child(odd)::after { display: none; }
}

@media (max-width: 420px) {
  .page-faq .faq-bands__row {
    grid-template-columns: minmax(0, 1fr);
    gap: 7px;
  }

  .page-faq .faq-bands__label {
    min-width: 0;
  }

  .page-faq .faq-path li {
    padding: 13px 14px;
  }

  .page-faq .faq-block {
    padding-inline: 18px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-faq .faq-duo__card,
  .page-faq .faq-legend__item,
  .page-faq .faq-legend__key {
    transition: none;
  }
}