.page-faq {
  --faq-toc-w: 236px;
  --faq-gap: 22px;
  padding-block: 18px 64px;
  color: var(--mist);
  font-family: var(--font-body);
}

.page-faq .breadcrumbs {
  margin-bottom: 14px;
  font-size: 12.5px;
  letter-spacing: .02em;
  color: var(--muted);
}

.page-faq .breadcrumbs a {
  color: var(--haze);
  text-decoration: none;
  transition: color .18s var(--ease);
}

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

/* 首屏 */
.page-faq .faq-hero {
  position: relative;
  overflow: hidden;
  padding: 26px 20px 24px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background:
    radial-gradient(120% 140% at 100% 0%, rgba(45, 245, 208, .14), transparent 56%),
    linear-gradient(150deg, rgba(255, 154, 61, .1), transparent 42%),
    var(--panel);
  box-shadow: var(--shadow);
}

.page-faq .faq-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image: repeating-linear-gradient(114deg, rgba(169, 196, 201, .08) 0 1px, transparent 1px 24px);
  pointer-events: none;
}

.page-faq .faq-hero::after {
  content: "";
  position: absolute;
  right: -70px;
  bottom: -90px;
  width: 250px;
  height: 250px;
  border: 1px solid rgba(45, 245, 208, .22);
  transform: rotate(45deg);
  pointer-events: none;
}

.page-faq .faq-hero__inner {
  position: relative;
  z-index: 1;
  display: grid;
  gap: 22px;
}

.page-faq .faq-hero h1 {
  margin: 8px 0 14px;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(30px, 7vw, 52px);
  line-height: 1.04;
  letter-spacing: -0.02em;
  color: var(--mist);
}

.page-faq .faq-hero__lead {
  max-width: 62ch;
  margin: 0;
  font-size: 15px;
  line-height: 1.75;
  color: var(--haze);
}

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

.page-faq .faq-hero__actions .btn {
  font-size: 14px;
}

.page-faq .faq-hero__panel {
  padding: 16px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: rgba(6, 26, 20, .58);
}

.page-faq .faq-hero__panel-title {
  margin: 0 0 12px;
  font-family: var(--font-data);
  font-size: 11px;
  letter-spacing: .18em;
  text-transform: uppercase;
  color: var(--muted);
}

.page-faq .faq-hero__stats {
  display: grid;
  gap: 10px;
  margin: 0;
}

.page-faq .faq-hero__stats > div {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 12px;
  padding-bottom: 8px;
  border-bottom: 1px dashed var(--line);
}

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

.page-faq .faq-hero__stats dt {
  font-size: 12.5px;
  color: var(--haze);
}

.page-faq .faq-hero__stats dd {
  margin: 0;
  font-family: var(--font-data);
  font-size: 20px;
  font-weight: 600;
  letter-spacing: -0.01em;
  color: var(--cyan);
}

.page-faq .faq-hero__panel-note {
  margin: 12px 0 0;
  font-size: 11.5px;
  line-height: 1.65;
  color: var(--muted);
}

/* 双栏骨架 */
.page-faq .faq-shell {
  display: grid;
  gap: var(--faq-gap);
  margin-top: 26px;
}

.page-faq .faq-toc {
  padding: 14px 12px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--panel);
}

.page-faq .faq-toc__title {
  margin: 0 0 10px;
  font-family: var(--font-data);
  font-size: 11px;
  letter-spacing: .18em;
  text-transform: uppercase;
  color: var(--muted);
}

.page-faq .faq-toc__list {
  display: flex;
  gap: 6px;
  margin: 0;
  padding: 0 0 4px;
  list-style: none;
  overflow-x: auto;
  scrollbar-width: thin;
}

.page-faq .faq-toc__list a {
  display: flex;
  gap: 9px;
  align-items: baseline;
  padding: 8px 10px;
  border-left: 2px solid transparent;
  border-radius: 2px;
  white-space: nowrap;
  font-size: 13.5px;
  color: var(--haze);
  text-decoration: none;
  transition: background-color .2s var(--ease), color .2s var(--ease), border-color .2s var(--ease);
}

.page-faq .faq-toc__list a:hover,
.page-faq .faq-toc__list a:focus-visible {
  background: var(--hover);
  color: var(--mist);
  border-left-color: var(--cyan);
  outline: none;
}

.page-faq .faq-toc__num {
  font-family: var(--font-data);
  font-size: 11px;
  color: var(--muted);
}

.page-faq .faq-toc__note {
  margin: 12px 0 0;
  padding-top: 12px;
  border-top: 1px solid var(--line);
  font-size: 11.5px;
  line-height: 1.65;
  color: var(--muted);
}

.page-faq .faq-body {
  display: grid;
  gap: var(--faq-gap);
  min-width: 0;
}

/* 章节画板 */
.page-faq .faq-chapter {
  padding: 22px 18px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--panel);
  box-shadow: var(--shadow);
  scroll-margin-top: 84px;
}

.page-faq .faq-chapter__head {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: 14px;
  align-items: start;
  padding-bottom: 16px;
  border-bottom: 1px solid var(--line);
}

.page-faq .faq-chapter__index {
  font-family: var(--font-data);
  font-size: 24px;
  line-height: 1;
  font-weight: 600;
  letter-spacing: -0.02em;
  color: var(--cyan);
}

.page-faq .faq-chapter h2 {
  margin: 0 0 8px;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(21px, 3.6vw, 30px);
  line-height: 1.16;
  letter-spacing: -0.01em;
  color: var(--mist);
}

.page-faq .faq-chapter__intro p {
  margin: 0;
  max-width: 66ch;
  font-size: 14px;
  line-height: 1.75;
  color: var(--haze);
}

/* 三步卡片 */
.page-faq .faq-steps {
  display: grid;
  gap: 12px;
  margin: 18px 0 0;
  padding: 0;
  list-style: none;
}

.page-faq .faq-step {
  padding: 16px 16px 18px;
  border: 1px solid var(--line);
  border-top: 2px solid rgba(45, 245, 208, .5);
  border-radius: var(--radius);
  background: rgba(19, 47, 54, .5);
}

.page-faq .faq-step__num {
  display: block;
  font-family: var(--font-data);
  font-size: 26px;
  line-height: 1;
  color: var(--cyan);
}

.page-faq .faq-step h3 {
  margin: 10px 0 8px;
  font-size: 16px;
  font-weight: 700;
  color: var(--mist);
}

.page-faq .faq-step p {
  margin: 0;
  font-size: 13.5px;
  line-height: 1.72;
  color: var(--haze);
}

/* 图片 */
.page-faq .faq-figure {
  margin: 20px 0 0;
  padding: 0;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  overflow: hidden;
  background: var(--frame);
}

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

.page-faq .faq-figure figcaption {
  padding: 10px 14px;
  border-top: 1px solid var(--line);
  font-size: 12px;
  line-height: 1.6;
  color: var(--muted);
}

/* 选项卡 */
.page-faq .faq-tabs {
  margin-top: 18px;
}

.page-faq .faq-tabs .tabs {
  display: flex;
  gap: 6px;
  overflow-x: auto;
  padding-bottom: 6px;
  scrollbar-width: thin;
}

.page-faq .faq-tabs .tab {
  flex: 0 0 auto;
  padding: 9px 14px;
  font-family: var(--font-body);
  font-size: 13px;
  color: var(--haze);
  background: transparent;
  border: 1px solid var(--line);
  border-radius: 2px;
  cursor: pointer;
  transition: color .2s var(--ease), border-color .2s var(--ease), background-color .2s var(--ease);
}

.page-faq .faq-tabs .tab:hover {
  color: var(--mist);
  border-color: var(--line-strong);
}

.page-faq .faq-tabs .tab[aria-selected="true"] {
  color: var(--bg);
  background: var(--cyan);
  border-color: var(--cyan);
  font-weight: 700;
}

.page-faq .faq-tabs .tab:focus-visible {
  outline: 2px solid var(--cyan);
  outline-offset: 2px;
}

.page-faq .faq-tabs .tab-panel {
  margin-top: 14px;
  padding: 16px;
  border: 1px solid var(--line);
  border-left: 2px solid rgba(45, 245, 208, .55);
  border-radius: var(--radius);
  background: rgba(6, 26, 20, .42);
}

.page-faq .faq-tabs .tab-panel + .tab-panel {
  margin-top: 12px;
}

.page-faq .faq-mini {
  display: grid;
  gap: 8px;
  margin: 0;
  padding-left: 18px;
  font-size: 13.5px;
  line-height: 1.75;
  color: var(--haze);
}

.page-faq .faq-mini li::marker {
  color: var(--cyan);
  font-family: var(--font-data);
  font-size: 12px;
}

/* 步骤流程 */
.page-faq .faq-flow {
  position: relative;
  display: grid;
  gap: 18px;
  margin: 18px 0 0;
  padding: 0 0 0 32px;
  list-style: none;
}

.page-faq .faq-flow::before {
  content: "";
  position: absolute;
  left: 10px;
  top: 6px;
  bottom: 6px;
  width: 1px;
  background: linear-gradient(180deg, var(--cyan), rgba(45, 245, 208, .08));
}

.page-faq .faq-flow > li {
  position: relative;
}

.page-faq .faq-flow__num {
  position: absolute;
  left: -32px;
  top: 0;
  display: grid;
  place-items: center;
  width: 21px;
  height: 21px;
  border-radius: 50%;
  background: var(--cyan);
  color: var(--bg);
  font-family: var(--font-data);
  font-size: 11px;
  font-weight: 600;
}

.page-faq .faq-flow h3 {
  margin: 0 0 6px;
  font-size: 15.5px;
  font-weight: 700;
  color: var(--mist);
}

.page-faq .faq-flow p {
  margin: 0;
  font-size: 13.5px;
  line-height: 1.75;
  color: var(--haze);
}

/* 开赛窗口提示 */
.page-faq .faq-window {
  display: flex;
  gap: 14px;
  align-items: center;
  margin-top: 18px;
  padding: 14px 16px;
  border: 1px solid rgba(255, 154, 61, .4);
  border-radius: var(--radius);
  background: rgba(255, 154, 61, .08);
}

.page-faq .faq-window__clock {
  flex: 0 0 auto;
  font-family: var(--font-data);
  font-size: 22px;
  font-weight: 600;
  letter-spacing: -0.02em;
  color: var(--orange);
}

.page-faq .faq-window p {
  margin: 0;
  font-size: 13px;
  line-height: 1.65;
  color: var(--haze);
}

/* 卡片组 */
.page-faq .faq-cards {
  display: grid;
  gap: 12px;
  margin-top: 18px;
}

.page-faq .faq-card {
  padding: 15px 16px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: rgba(19, 47, 54, .45);
}

.page-faq .faq-card h3 {
  display: flex;
  align-items: center;
  gap: 8px;
  margin: 0 0 8px;
  font-size: 15px;
  font-weight: 700;
  color: var(--mist);
}

.page-faq .faq-card h3::before {
  content: "";
  flex: 0 0 auto;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--cyan);
  box-shadow: 0 0 8px rgba(45, 245, 208, .7);
}

.page-faq .faq-card p {
  margin: 0;
  font-size: 13.5px;
  line-height: 1.75;
  color: var(--haze);
}

/* 版本对比 */
.page-faq .faq-versions {
  display: grid;
  gap: 12px;
  margin-top: 18px;
}

.page-faq .faq-version {
  padding: 16px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: linear-gradient(160deg, rgba(45, 245, 208, .07), transparent 62%), var(--frame);
}

.page-faq .faq-version__tag {
  display: inline-block;
  margin-bottom: 10px;
  padding: 3px 8px;
  border: 1px solid rgba(45, 245, 208, .35);
  border-radius: 2px;
  font-family: var(--font-data);
  font-size: 10.5px;
  letter-spacing: .12em;
  color: var(--cyan);
}

.page-faq .faq-version h3 {
  margin: 0 0 10px;
  font-size: 16px;
  font-weight: 700;
  color: var(--mist);
}

.page-faq .faq-version ul {
  display: grid;
  gap: 6px;
  margin: 0;
  padding-left: 16px;
  font-size: 13.5px;
  line-height: 1.72;
  color: var(--haze);
}

.page-faq .faq-version li::marker {
  color: var(--orange);
}

/* 常见问题手风琴 */
.page-faq .faq-accordion {
  display: grid;
  gap: 10px;
  margin-top: 18px;
}

.page-faq .faq-accordion details {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: rgba(6, 26, 20, .42);
  overflow: hidden;
}

.page-faq .faq-accordion summary {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 13px 16px;
  font-size: 14px;
  font-weight: 600;
  line-height: 1.5;
  color: var(--mist);
  cursor: pointer;
  list-style: none;
  transition: background-color .2s var(--ease);
}

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

.page-faq .faq-accordion summary::after {
  content: "+";
  margin-left: auto;
  font-family: var(--font-data);
  font-size: 17px;
  line-height: 1;
  color: var(--cyan);
  transition: transform .22s var(--ease);
}

.page-faq .faq-accordion details[open] summary::after {
  transform: rotate(45deg);
}

.page-faq .faq-accordion summary:hover {
  background: var(--hover);
}

.page-faq .faq-accordion summary:focus-visible {
  outline: 2px solid var(--cyan);
  outline-offset: -2px;
}

.page-faq .faq-accordion details p {
  margin: 0;
  padding: 0 16px 15px;
  font-size: 13.5px;
  line-height: 1.78;
  color: var(--haze);
}

/* 联系 */
.page-faq .faq-contact {
  display: grid;
  gap: 14px;
  margin-top: 18px;
  padding: 18px;
  border: 1px solid rgba(45, 245, 208, .28);
  border-radius: var(--radius);
  background: linear-gradient(150deg, rgba(45, 245, 208, .1), transparent 58%), var(--frame);
}

.page-faq .faq-contact__row {
  display: grid;
  gap: 8px;
}

.page-faq .faq-contact__item {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  align-items: baseline;
  margin: 0;
  font-size: 13.5px;
  line-height: 1.6;
  color: var(--mist);
}

.page-faq .faq-contact__item span {
  font-family: var(--font-data);
  font-size: 11px;
  letter-spacing: .1em;
  color: var(--muted);
}

.page-faq .faq-contact__note {
  margin: 4px 0 0;
  font-size: 12px;
  line-height: 1.65;
  color: var(--muted);
}

.page-faq .faq-contact .btn {
  justify-self: start;
}

.page-faq .faq-links {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 16px;
}

.page-faq .faq-links .btn {
  font-size: 13px;
}

/* 响应式 */
@media (min-width: 720px) {
  .page-faq .faq-hero {
    padding: 34px 32px 30px;
  }

  .page-faq .faq-hero__lead {
    font-size: 16.5px;
  }

  .page-faq .faq-chapter {
    padding: 28px 26px 30px;
  }

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

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

  .page-faq .faq-contact {
    grid-template-columns: minmax(0, 1fr) auto;
    align-items: center;
  }
}

@media (min-width: 900px) {
  .page-faq .faq-hero__inner {
    grid-template-columns: minmax(0, 1.4fr) minmax(0, .6fr);
    gap: 32px;
    align-items: end;
  }
}

@media (min-width: 1000px) {
  .page-faq .faq-shell {
    grid-template-columns: var(--faq-toc-w) minmax(0, 1fr);
    gap: 30px;
    align-items: start;
  }

  .page-faq .faq-toc {
    position: sticky;
    top: 84px;
  }

  .page-faq .faq-toc__list {
    flex-direction: column;
    gap: 2px;
    padding-bottom: 0;
    overflow: visible;
  }

  .page-faq .faq-toc__list a {
    white-space: normal;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-faq *,
  .page-faq *::before,
  .page-faq *::after {
    transition-duration: .01ms !important;
    animation-duration: .01ms !important;
  }
}