.page-faq {
  --faq-gap: 20px;
  --faq-index-w: 280px;
  --faq-hover: #142955;
  background-color: var(--sk-bg-deep);
  color: var(--sk-ice);
}

.page-faq img {
  max-width: 100%;
  height: auto;
}

.page-faq .sk-section__title {
  margin: 0;
  font-size: clamp(22px, 3vw, 30px);
  line-height: 1.3;
  color: var(--sk-ice);
}

.page-faq .faq-section-tag {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  margin: 0 0 12px;
  color: var(--sk-lime);
  font-size: 12px;
  letter-spacing: 0.12em;
}

.page-faq .faq-section-tag .sk-status-dot {
  position: relative;
  top: -1px;
}

.page-faq [id] {
  scroll-margin-top: calc(var(--sk-header-h) + 20px);
}

/* ===== Hero ===== */
.page-faq .faq-hero {
  padding: 32px 0 48px;
  background-color: var(--sk-bg-deep);
  background-image:
    linear-gradient(rgba(31, 59, 110, 0.28) 1px, transparent 1px),
    linear-gradient(90deg, rgba(31, 59, 110, 0.28) 1px, transparent 1px);
  background-size: 44px 44px;
  border-bottom: 1px solid var(--sk-line);
}

.page-faq .faq-hero__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 32px;
  margin-top: 32px;
  align-items: end;
}

@media (min-width: 960px) {
  .page-faq .faq-hero__grid {
    grid-template-columns: minmax(0, 5fr) minmax(0, 6fr);
    gap: 56px;
    margin-top: 48px;
  }
}

.page-faq .faq-kicker {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  margin: 0 0 16px;
  padding: 6px 12px;
  background: var(--sk-bg-panel);
  border: 1px solid var(--sk-line);
  color: var(--sk-cool);
  font-size: 13px;
}

.page-faq .faq-hero h1 {
  margin: 0 0 16px;
  font-size: clamp(28px, 5vw, 44px);
  line-height: 1.2;
  letter-spacing: 0.02em;
  color: var(--sk-ice);
}

.page-faq .faq-hero__desc {
  max-width: 56ch;
  margin: 0 0 24px;
  color: var(--sk-cool);
  font-size: 15px;
  line-height: 1.8;
}

.page-faq .faq-search {
  display: flex;
  align-items: center;
  gap: 12px;
  max-width: 480px;
  padding: 4px 16px;
  background: var(--sk-bg-panel);
  border: 1px solid var(--sk-line);
  border-right: 4px solid var(--sk-accent);
}

.page-faq .faq-search input {
  flex: 1;
  min-width: 0;
  padding: 12px 0;
  background: transparent;
  border: 0;
  color: var(--sk-ice);
  font: inherit;
  outline: none;
}

.page-faq .faq-search input::placeholder {
  color: var(--sk-dim);
}

.page-faq .faq-search__hint {
  color: var(--sk-lime);
  font-size: 12px;
  letter-spacing: 0.08em;
  white-space: nowrap;
}

.page-faq .faq-hero__meta {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 20px;
}

.page-faq .faq-hero__meta-item {
  padding: 4px 10px;
  background: var(--sk-bg-panel);
  border-left: 2px solid var(--sk-lime);
  color: var(--sk-cool);
  font-size: 12px;
}

.page-faq .faq-hero__figure {
  margin: 0;
  padding: 10px;
  background: var(--sk-bg-panel);
  border: 1px solid var(--sk-line);
  clip-path: polygon(0 0, calc(100% - 18px) 0, 100% 18px, 100% 100%, 0 100%);
}

.page-faq .faq-hero__figure img {
  display: block;
  width: 100%;
}

.page-faq .faq-hero__figure figcaption,
.page-faq .faq-sync__figure figcaption {
  padding: 10px 8px 4px;
  color: var(--sk-dim);
  font-size: 12px;
  letter-spacing: 0.08em;
}

/* ===== Terminal / 高频问题 ===== */
.page-faq .faq-terminal {
  padding: 48px 0;
  background: var(--sk-bg-deep);
}

.page-faq .faq-terminal__head {
  display: flex;
  flex-direction: column;
  gap: 8px;
  margin-bottom: 28px;
}

@media (min-width: 720px) {
  .page-faq .faq-terminal__head {
    flex-direction: row;
    align-items: flex-end;
    justify-content: space-between;
  }
}

.page-faq .faq-terminal__lead {
  max-width: 48ch;
  margin: 0;
  color: var(--sk-cool);
  font-size: 14px;
  line-height: 1.7;
}

.page-faq .faq-terminal__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 28px;
  align-items: start;
}

@media (min-width: 960px) {
  .page-faq .faq-terminal__grid {
    grid-template-columns: var(--faq-index-w) minmax(0, 1fr);
    gap: 40px;
  }

  .page-faq .faq-index {
    position: sticky;
    top: calc(var(--sk-header-h) + 24px);
  }
}

.page-faq .faq-index {
  background: var(--sk-bg-panel);
  border: 1px solid var(--sk-line);
  border-top: 4px solid var(--sk-accent);
  padding: 18px 18px 22px;
}

.page-faq .faq-index__head {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-bottom: 12px;
  border-bottom: 1px solid var(--sk-line);
  color: var(--sk-accent);
  font-weight: 700;
  letter-spacing: 0.12em;
}

.page-faq .faq-index__group {
  padding: 6px 0;
}

.page-faq .faq-index__label {
  margin: 16px 0 6px;
  font-family: var(--sk-font-mono);
  font-size: 12px;
  letter-spacing: 0.14em;
  color: var(--sk-dim);
}

.page-faq .faq-index__link {
  display: flex;
  align-items: baseline;
  gap: 12px;
  padding: 10px 6px;
  border-bottom: 1px solid rgba(31, 59, 110, 0.5);
  color: var(--sk-cool);
  text-decoration: none;
  font-size: 14px;
  transition: background-color 0.2s ease, color 0.2s ease, padding-left 0.2s ease;
}

.page-faq .faq-index__link:last-child {
  border-bottom: 0;
}

.page-faq .faq-index__link:hover {
  padding-left: 12px;
  background: var(--sk-bg-deep);
  color: var(--sk-ice);
}

.page-faq .faq-index__link .sk-mono {
  min-width: 2ch;
  color: var(--sk-accent);
  font-size: 12px;
}

.page-faq .faq-answers {
  display: grid;
  gap: 14px;
}

.page-faq .faq-item__details {
  background: var(--sk-bg-panel);
  border: 1px solid var(--sk-line);
  border-left: 4px solid var(--sk-accent);
  transition: border-color 0.2s ease, background-color 0.2s ease;
}

.page-faq .faq-item__details:hover {
  background: var(--faq-hover);
  border-left-color: var(--sk-lime);
}

.page-faq .faq-item__details summary {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px 14px;
  padding: 16px 18px;
  cursor: pointer;
  list-style: none;
}

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

.page-faq .faq-item__details summary::after {
  content: "+";
  margin-left: auto;
  font-family: var(--sk-font-mono);
  font-size: 22px;
  line-height: 1;
  color: var(--sk-accent);
  transition: transform 0.2s ease;
}

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

.page-faq .faq-item__num {
  color: var(--sk-accent);
  font-size: 13px;
}

.page-faq .faq-item__q {
  flex: 1;
  color: var(--sk-ice);
  font-size: 15px;
  font-weight: 700;
  line-height: 1.5;
}

.page-faq .faq-item__state {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  white-space: nowrap;
  color: var(--sk-lime);
  font-size: 11px;
  letter-spacing: 0.08em;
}

.page-faq .faq-item__a {
  padding: 16px 18px 20px;
  border-top: 1px dashed var(--sk-line);
  color: var(--sk-cool);
  font-size: 14px;
  line-height: 1.8;
}

.page-faq .faq-item__a p {
  margin: 0 0 12px;
}

.page-faq .faq-item__a .sk-btn {
  margin-right: 8px;
}

.page-faq .faq-item:target .faq-item__details {
  border-color: var(--sk-accent);
  box-shadow: inset 0 0 0 1px var(--sk-accent);
}

/* ===== 旧版本归档入口 ===== */
.page-faq .faq-archive {
  padding: 48px 0;
  background: var(--sk-bg-panel);
  border-top: 1px solid var(--sk-line);
  border-bottom: 1px solid var(--sk-line);
}

.page-faq .faq-archive__head,
.page-faq .faq-sync__head,
.page-faq .faq-register__head {
  margin-bottom: 28px;
}

.page-faq .faq-archive__head > p:last-child,
.page-faq .faq-sync__head > p:last-child,
.page-faq .faq-register__head > p:last-child {
  max-width: 60ch;
  margin-top: 8px;
  color: var(--sk-cool);
  font-size: 14px;
  line-height: 1.7;
}

.page-faq .faq-archive__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 32px;
}

@media (min-width: 960px) {
  .page-faq .faq-archive__grid {
    grid-template-columns: minmax(0, 3fr) minmax(0, 2fr);
    gap: 44px;
    align-items: start;
  }
}

.page-faq .faq-archive__steps {
  display: grid;
  grid-template-columns: 1fr;
  gap: 16px;
}

.page-faq .faq-step {
  margin: 0;
  padding: 18px 20px;
  background: var(--sk-bg-deep);
  border: 1px solid var(--sk-line);
  border-left: 4px solid var(--sk-accent);
  clip-path: polygon(0 0, calc(100% - 14px) 0, 100% 14px, 100% 100%, 0 100%);
}

.page-faq .faq-step__no {
  display: block;
  margin-bottom: 8px;
  color: var(--sk-accent);
  font-size: 12px;
  letter-spacing: 0.12em;
}

.page-faq .faq-step h3 {
  margin: 0 0 6px;
  color: var(--sk-ice);
  font-size: 16px;
  line-height: 1.5;
}

.page-faq .faq-step p {
  margin: 0;
  color: var(--sk-cool);
  font-size: 14px;
  line-height: 1.7;
}

.page-faq .faq-archive__aside {
  display: grid;
  gap: 16px;
}

.page-faq .faq-archive__panel {
  padding: 18px;
  background: var(--sk-bg-deep);
  border: 1px solid var(--sk-line);
  border-top: 4px solid var(--sk-accent);
}

.page-faq .faq-archive__panel-label {
  margin: 0 0 8px;
  color: var(--sk-accent);
  font-size: 12px;
  letter-spacing: 0.12em;
}

.page-faq .faq-version-list {
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-faq .faq-version-list li {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 10px 0;
  border-bottom: 1px solid var(--sk-line);
  color: var(--sk-cool);
  font-size: 14px;
}

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

.page-faq .faq-version-list li .sk-mono {
  min-width: 4ch;
}

.page-faq .faq-archive__warn {
  padding: 16px 18px;
  background: rgba(255, 92, 92, 0.08);
  border: 1px solid var(--sk-danger);
}

.page-faq .faq-archive__warn .sk-mono {
  display: block;
  margin-bottom: 8px;
  color: var(--sk-danger);
  font-size: 12px;
  letter-spacing: 0.12em;
}

.page-faq .faq-archive__warn p {
  margin: 0 0 12px;
  color: var(--sk-cool);
  font-size: 14px;
  line-height: 1.7;
}

/* ===== 收藏与多联赛切换 ===== */
.page-faq .faq-sync {
  padding: 48px 0;
  background: var(--sk-bg-deep);
}

.page-faq .faq-sync__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 32px;
  align-items: start;
}

@media (min-width: 960px) {
  .page-faq .faq-sync__grid {
    grid-template-columns: minmax(0, 1.1fr) minmax(0, 1fr);
    gap: 48px;
    align-items: center;
  }
}

.page-faq .faq-sync__block {
  margin-bottom: 16px;
  padding: 18px 20px;
  background: var(--sk-bg-panel);
  border: 1px solid var(--sk-line);
  border-right: 4px solid var(--sk-lime);
}

.page-faq .faq-sync__block h3 {
  margin: 0 0 10px;
  color: var(--sk-ice);
  font-size: 16px;
}

.page-faq .faq-sync__block ul {
  margin: 0;
  padding-left: 20px;
  color: var(--sk-cool);
  font-size: 14px;
  line-height: 1.7;
}

.page-faq .faq-sync__block li {
  margin-bottom: 6px;
}

.page-faq .faq-sync__block li::marker {
  color: var(--sk-accent);
}

.page-faq .faq-sync__figure {
  margin: 0;
  padding: 10px;
  background: var(--sk-bg-panel);
  border: 1px solid var(--sk-line);
}

.page-faq .faq-sync__figure img {
  display: block;
  width: 100%;
}

/* ===== 注册与服务介绍 ===== */
.page-faq .faq-register {
  padding: 48px 0;
  background: var(--sk-bg-panel);
  border-top: 1px solid var(--sk-line);
}

.page-faq .faq-register__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 32px;
}

@media (min-width: 960px) {
  .page-faq .faq-register__grid {
    grid-template-columns: minmax(0, 3fr) minmax(0, 2fr);
    gap: 48px;
    align-items: start;
  }
}

.page-faq .faq-register__flow {
  display: grid;
  grid-template-columns: 1fr;
  gap: 14px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-faq .faq-register__flow li {
  display: flex;
  align-items: flex-start;
  gap: 16px;
  padding: 18px;
  background: var(--sk-bg-deep);
  border: 1px solid var(--sk-line);
}

.page-faq .faq-register__flow li .sk-mono {
  min-width: 2.4ch;
  color: var(--sk-accent);
  font-size: 22px;
  font-weight: 700;
  line-height: 1;
}

.page-faq .faq-register__flow h3 {
  margin: 0 0 6px;
  color: var(--sk-ice);
  font-size: 16px;
}

.page-faq .faq-register__flow p {
  margin: 0;
  color: var(--sk-cool);
  font-size: 14px;
  line-height: 1.7;
}

.page-faq .faq-register__aside {
  display: grid;
  gap: 16px;
}

.page-faq .faq-register__panel {
  padding: 18px;
  background: var(--sk-bg-deep);
  border: 1px solid var(--sk-line);
  border-top: 4px solid var(--sk-accent);
}

.page-faq .faq-register__panel h3 {
  margin: 0 0 8px;
  color: var(--sk-ice);
  font-size: 16px;
}

.page-faq .faq-register__panel p {
  margin: 0 0 12px;
  color: var(--sk-cool);
  font-size: 14px;
  line-height: 1.7;
}

.page-faq .faq-register__panel .sk-btn {
  margin: 0 8px 8px 0;
}

/* ===== 联系 CTA ===== */
.page-faq .faq-contact {
  padding: 48px 0;
  background: var(--sk-bg-deep);
}

.page-faq .faq-contact__inner {
  display: flex;
  flex-direction: column;
  gap: 20px;
  padding: 28px 24px;
  background: var(--sk-bg-panel);
  border: 1px solid var(--sk-line);
  border-right: 6px solid var(--sk-accent);
}

@media (min-width: 720px) {
  .page-faq .faq-contact__inner {
    flex-direction: row;
    align-items: center;
    justify-content: space-between;
  }
}

.page-faq .faq-contact h2 {
  margin: 0 0 8px;
  color: var(--sk-ice);
  font-size: 24px;
}

.page-faq .faq-contact p {
  margin: 0;
  color: var(--sk-cool);
  font-size: 14px;
  line-height: 1.7;
}

/* ===== 锚点目标高亮 ===== */
.page-faq .faq-archive:target .faq-archive__head,
.page-faq .faq-sync:target .faq-sync__head,
.page-faq .faq-register:target .faq-register__head {
  border-left: 4px solid var(--sk-accent);
  padding-left: 16px;
}