.page-faq {
  background: var(--night);
  color: var(--white);
}

/* ---------- 首屏 ---------- */
.page-faq .faq-hero {
  padding-block: clamp(18px, 3.5vw, 30px) 0;
}

.page-faq .faq-hero__grid {
  display: grid;
  gap: 20px;
  margin-top: 22px;
}

.page-faq .faq-hero__title {
  margin: 12px 0 0;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(34px, 7.4vw, 62px);
  line-height: 1.02;
  letter-spacing: -0.01em;
}

.page-faq .faq-hero__lead .lede {
  margin-top: 16px;
  max-width: 44ch;
}

.page-faq .faq-stamps {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin: 22px 0 0;
  padding: 0;
  list-style: none;
}

.page-faq .faq-stamps li {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 7px 12px;
  border: 2px solid var(--brut);
  background: var(--pitch);
  font-family: var(--font-mono);
  font-size: 12.5px;
  letter-spacing: 0.02em;
  color: var(--mint);
}

.page-faq .faq-stamps strong {
  color: var(--amber);
  font-weight: 700;
}

.page-faq .faq-hero__side {
  border: 2px solid var(--brut);
  background: var(--ink);
  box-shadow: var(--shadow);
  padding: 18px;
}

.page-faq .faq-hero__side-title {
  margin: 0 0 12px;
  font-family: var(--font-mono);
  font-size: 12.5px;
  letter-spacing: 0.08em;
  color: var(--neon);
}

.page-faq .faq-hero__side dl {
  margin: 0;
  display: grid;
}

.page-faq .faq-hero__side dl > div {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  padding: 10px 0;
  border-bottom: 1px solid var(--brut);
}

.page-faq .faq-hero__side dl > div:last-child {
  border-bottom: 0;
  padding-bottom: 0;
}

.page-faq .faq-hero__side dt {
  font-size: 13.5px;
  color: var(--gray);
}

.page-faq .faq-hero__side dd {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 14.5px;
  color: var(--amber);
}

.page-faq .faq-hero__figure {
  margin: clamp(26px, 4vw, 40px) 0 0;
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - 42px), 0 100%);
}

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

/* ---------- 跳转条 ---------- */
.page-faq .faq-jump {
  background: var(--ink);
  border-top: 2px solid var(--brut);
  border-bottom: 2px solid var(--brut);
  margin-top: clamp(28px, 5vw, 48px);
}

.page-faq .faq-jump ul {
  max-width: var(--wrap);
  margin: 0 auto;
  padding: 0 var(--gutter);
  list-style: none;
  display: flex;
  overflow-x: auto;
  scrollbar-width: thin;
}

.page-faq .faq-jump a {
  display: block;
  white-space: nowrap;
  padding: 14px 16px;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 14.5px;
  letter-spacing: 0.03em;
  color: var(--mint);
  text-decoration: none;
  border-right: 2px solid var(--brut);
  transition: color 0.2s ease, background-color 0.2s ease;
}

.page-faq .faq-jump li:first-child a {
  border-left: 2px solid var(--brut);
}

.page-faq .faq-jump a:hover,
.page-faq .faq-jump a:focus-visible {
  background: var(--neon);
  color: var(--night);
}

/* ---------- 章节骨架 ---------- */
.page-faq .faq-block {
  padding-block: clamp(40px, 7vw, 80px);
}

.page-faq .faq-block__grid {
  display: grid;
  gap: 22px;
}

.page-faq .faq-block__num {
  display: block;
  font-family: var(--font-mono);
  font-size: 34px;
  line-height: 1;
  color: var(--neon);
  letter-spacing: 0.02em;
}

.page-faq .faq-block__num::after {
  content: "";
  display: block;
  width: 54px;
  height: 4px;
  margin-top: 10px;
  background: var(--neon);
}

.page-faq .faq-block__aside .section-title {
  margin-top: 16px;
}

.page-faq .faq-sub {
  margin: 18px 0 0;
  font-size: 14px;
  line-height: 1.7;
  color: var(--gray);
  max-width: 60ch;
}

.page-faq .faq-sub a {
  color: var(--mint);
}

/* ---------- 双栏核对块 ---------- */
.page-faq .faq-split {
  display: grid;
  margin-top: 24px;
  border: 2px solid var(--brut);
  background: var(--pitch);
}

.page-faq .faq-split__col {
  padding: 18px 20px;
}

.page-faq .faq-split__col + .faq-split__col {
  border-top: 2px solid var(--brut);
}

.page-faq .faq-split__col h3 {
  margin: 0 0 12px;
  font-family: var(--font-display);
  font-size: 15.5px;
  font-weight: 800;
  letter-spacing: 0.04em;
  color: var(--neon);
}

.page-faq .faq-split__col--amber h3 {
  color: var(--amber);
}

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

.page-faq .faq-split__col li {
  position: relative;
  padding-left: 16px;
  font-size: 14.5px;
  line-height: 1.65;
  color: var(--mint);
}

.page-faq .faq-split__col li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 9px;
  width: 6px;
  height: 6px;
  background: var(--neon);
}

.page-faq .faq-split__col--amber li::before {
  background: var(--amber);
}

/* ---------- 口径注释带 ---------- */
.page-faq .faq-band {
  background: var(--ink);
  border-top: 2px solid var(--brut);
  border-bottom: 2px solid var(--brut);
  padding-block: clamp(22px, 4vw, 34px);
}

.page-faq .faq-band__inner {
  display: grid;
  gap: 12px;
}

.page-faq .faq-band__label {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 12.5px;
  letter-spacing: 0.08em;
  color: var(--neon);
}

.page-faq .faq-band__inner p:last-child {
  margin: 0;
  max-width: 62ch;
  font-size: 14.5px;
  line-height: 1.7;
  color: var(--gray);
}

/* ---------- 问答折叠 ---------- */
.page-faq .faq-qa {
  margin-top: 22px;
  border-top: 2px solid var(--brut);
}

.page-faq .faq-qa__item {
  border-bottom: 2px solid var(--brut);
  background: var(--night);
}

.page-faq .faq-qa__item > summary {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr) auto;
  align-items: start;
  gap: 14px;
  padding: 18px 16px;
  cursor: pointer;
  list-style: none;
  border-left: 3px solid transparent;
  transition: border-color 0.2s ease, background-color 0.2s ease;
}

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

.page-faq .faq-qa__item > summary:hover {
  background: var(--pitch);
  border-left-color: var(--mint);
}

.page-faq .faq-qa__item[open] > summary {
  background: var(--pitch);
  border-left-color: var(--neon);
}

.page-faq .faq-qa__no {
  padding-top: 5px;
  font-family: var(--font-mono);
  font-size: 13px;
  color: var(--amber);
}

.page-faq .faq-qa__q {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(17px, 2.2vw, 21px);
  line-height: 1.35;
  letter-spacing: 0.01em;
  color: var(--white);
}

.page-faq .faq-qa__toggle {
  position: relative;
  width: 18px;
  height: 18px;
  margin-top: 4px;
  border: 2px solid var(--gray);
  flex: none;
}

.page-faq .faq-qa__toggle::before,
.page-faq .faq-qa__toggle::after {
  content: "";
  position: absolute;
  background: var(--mint);
}

.page-faq .faq-qa__toggle::before {
  inset: 6px 3px;
}

.page-faq .faq-qa__toggle::after {
  inset: 3px 6px;
}

.page-faq .faq-qa__item[open] .faq-qa__toggle::after {
  display: none;
}

.page-faq .faq-qa__a {
  padding: 0 20px 22px 46px;
  max-width: 46em;
  font-size: 15px;
  line-height: 1.75;
  color: var(--mint);
}

.page-faq .faq-qa__a p {
  margin: 0 0 10px;
}

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

.page-faq .faq-qa__a a {
  color: var(--neon);
}

/* ---------- 比赛日规则列表 ---------- */
.page-faq .faq-slots {
  list-style: none;
  margin: 26px 0 0;
  padding: 0 0 0 22px;
  border-left: 2px solid var(--brut);
  display: grid;
  gap: 20px;
}

.page-faq .faq-slots li {
  position: relative;
}

.page-faq .faq-slots li::before {
  content: "";
  position: absolute;
  left: -29px;
  top: 6px;
  width: 10px;
  height: 10px;
  background: var(--night);
  border: 2px solid var(--neon);
}

.page-faq .faq-slots__k {
  display: block;
  margin-bottom: 6px;
  font-family: var(--font-mono);
  font-size: 12.5px;
  letter-spacing: 0.06em;
  color: var(--neon);
}

.page-faq .faq-slots p {
  margin: 0;
  max-width: 60ch;
  font-size: 14.5px;
  line-height: 1.7;
  color: var(--mint);
}

/* ---------- 版本对照表 ---------- */
.page-faq .faq-vtable__scroll {
  margin-top: 26px;
  border: 2px solid var(--brut);
  background: var(--pitch);
  overflow-x: auto;
}

.page-faq .faq-vtable {
  width: 100%;
  min-width: 580px;
  border-collapse: collapse;
  font-size: 14.5px;
}

.page-faq .faq-vtable th,
.page-faq .faq-vtable td {
  padding: 14px 16px;
  text-align: left;
  vertical-align: top;
  line-height: 1.65;
  border-bottom: 2px solid var(--brut);
  border-right: 2px solid var(--brut);
}

.page-faq .faq-vtable tr > *:last-child {
  border-right: 0;
}

.page-faq .faq-vtable tbody tr:last-child > * {
  border-bottom: 0;
}

.page-faq .faq-vtable thead th {
  background: var(--ink);
  font-family: var(--font-mono);
  font-size: 12.5px;
  font-weight: 500;
  letter-spacing: 0.06em;
  color: var(--mint);
}

.page-faq .faq-vtable tbody th {
  font-family: var(--font-mono);
  font-size: 15px;
  color: var(--amber);
  white-space: nowrap;
}

.page-faq .faq-vtable tbody td {
  color: var(--white);
}

.page-faq .faq-vtable__diff {
  color: var(--amber);
}

.page-faq .faq-figure {
  margin: 28px 0 0;
}

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

.page-faq .faq-figure figcaption {
  margin-top: 10px;
  font-family: var(--font-mono);
  font-size: 12.5px;
  line-height: 1.6;
  color: var(--gray);
}

/* ---------- 提交步骤 ---------- */
.page-faq .faq-steps {
  list-style: none;
  counter-reset: faqstep;
  margin: 22px 0 0;
  padding: 0;
  border-top: 2px solid var(--brut);
}

.page-faq .faq-steps > li {
  counter-increment: faqstep;
  display: grid;
  grid-template-columns: 42px minmax(0, 1fr);
  gap: 12px;
  padding: 16px 0;
  border-bottom: 2px solid var(--brut);
}

.page-faq .faq-steps > li::before {
  content: counter(faqstep, decimal-leading-zero);
  font-family: var(--font-mono);
  font-size: 15px;
  color: var(--amber);
}

.page-faq .faq-steps p {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.7;
  color: var(--mint);
}

.page-faq .faq-alert {
  margin-top: 24px;
  padding: 16px 18px;
  border: 2px solid var(--red);
  background: var(--pitch);
}

.page-faq .faq-alert strong {
  display: block;
  margin-bottom: 8px;
  font-family: var(--font-mono);
  font-size: 12.5px;
  letter-spacing: 0.06em;
  color: var(--red);
  font-weight: 500;
}

.page-faq .faq-alert p {
  margin: 0;
  max-width: 60ch;
  font-size: 14.5px;
  line-height: 1.7;
  color: var(--mint);
}

.page-faq .faq-contact {
  margin: 26px 0 0;
  padding: 18px 20px;
  border: 2px solid var(--brut);
  background: var(--ink);
  box-shadow: var(--shadow);
  display: grid;
  gap: 4px;
}

.page-faq .faq-contact dt {
  font-family: var(--font-mono);
  font-size: 12.5px;
  letter-spacing: 0.06em;
  color: var(--gray);
}

.page-faq .faq-contact dd {
  margin: 0 0 10px;
  font-size: 15.5px;
  color: var(--white);
  word-break: break-word;
}

.page-faq .faq-contact dd:last-child {
  margin-bottom: 0;
}

.page-faq .faq-contact__note {
  margin: 14px 0 0;
  max-width: 62ch;
  font-size: 13.5px;
  line-height: 1.7;
  color: var(--gray);
}

/* ---------- 分流入口 ---------- */
.page-faq .faq-routes {
  display: grid;
  gap: 16px;
  margin-top: 24px;
}

.page-faq .faq-route {
  display: block;
  padding: 20px 18px;
  border: 2px solid var(--brut);
  background: var(--ink);
  color: var(--white);
  text-decoration: none;
  transition: transform 0.2s ease, box-shadow 0.2s ease, border-color 0.2s ease;
}

.page-faq .faq-route:hover,
.page-faq .faq-route:focus-visible {
  border-color: var(--neon);
  box-shadow: var(--shadow);
  transform: translate(-3px, -3px);
}

.page-faq .faq-route__label {
  display: block;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 19px;
  letter-spacing: 0.02em;
}

.page-faq .faq-route__desc {
  display: block;
  margin-top: 8px;
  font-size: 14px;
  line-height: 1.6;
  color: var(--gray);
}

/* ---------- 响应式 ---------- */
@media (min-width: 720px) {
  .page-faq .faq-split {
    grid-template-columns: 1fr 1fr;
  }

  .page-faq .faq-split__col + .faq-split__col {
    border-top: 0;
    border-left: 2px solid var(--brut);
  }

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

@media (min-width: 800px) {
  .page-faq .faq-band__inner {
    grid-template-columns: 180px minmax(0, 1fr);
    gap: 32px;
    align-items: start;
  }
}

@media (min-width: 940px) {
  .page-faq .faq-hero__grid {
    grid-template-columns: minmax(0, 1.45fr) minmax(260px, 0.55fr);
    gap: 44px;
    align-items: end;
  }

  .page-faq .faq-block__grid {
    grid-template-columns: 230px minmax(0, 1fr);
    gap: 48px;
  }

  .page-faq .faq-block__aside {
    position: sticky;
    top: 130px;
    align-self: start;
  }

  .page-faq .faq-qa__a {
    padding-left: 64px;
    padding-right: 40px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-faq .faq-jump a,
  .page-faq .faq-qa__item > summary,
  .page-faq .faq-route {
    transition-duration: 0.001ms;
  }

  .page-faq .faq-route:hover,
  .page-faq .faq-route:focus-visible {
    transform: none;
  }
}