.page-faq {
  --faq-index-w: 240px;
  --faq-bar: 3px;
  background: #ffffff;
  color: var(--ink);
}

.page-faq .crumbs {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  padding-top: clamp(20px, 3vw, 36px);
  font-size: 12.5px;
  letter-spacing: 0.04em;
  color: var(--muted);
}
.page-faq .crumbs a {
  color: var(--muted);
  text-decoration: none;
}
.page-faq .crumbs a:hover,
.page-faq .crumbs a:focus-visible {
  color: var(--lake);
}

/* ---------- 首屏 ---------- */
.page-faq .faq-head {
  max-width: 780px;
  padding: clamp(22px, 4vw, 48px) 0 clamp(20px, 3vw, 34px);
}
.page-faq .faq-head .display {
  margin: 12px 0 18px;
  color: var(--ink);
}
.page-faq .faq-head .lede {
  margin: 0;
  font-size: clamp(15px, 1.6vw, 17.5px);
  line-height: 1.8;
  color: var(--muted);
  max-width: 64ch;
}

.page-faq .faq-facts {
  list-style: none;
  margin: 30px 0 0;
  padding: 22px 0 0;
  border-top: 1px solid var(--hair);
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 18px 22px;
}
.page-faq .faq-facts li {
  display: flex;
  flex-direction: column;
  gap: 6px;
}
.page-faq .faq-facts .num {
  font-family: var(--font-mono);
  font-size: 25px;
  font-weight: 500;
  line-height: 1.1;
  letter-spacing: 0.02em;
  color: var(--lake);
}
.page-faq .faq-facts .num small {
  font-size: 12px;
  margin-left: 3px;
  color: var(--muted);
}
.page-faq .faq-facts__label {
  font-size: 12.5px;
  line-height: 1.5;
  color: var(--muted);
}

/* ---------- 图片 ---------- */
.page-faq .figure {
  margin: 0 0 8px;
}
.page-faq .frame {
  position: relative;
  overflow: hidden;
  border-radius: 3px;
  background: linear-gradient(150deg, var(--deep) 0%, var(--deep-2) 58%, #0d3345 100%);
}
.page-faq .frame--21x9 {
  aspect-ratio: 21 / 9;
}
.page-faq .figure .frame::after {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background: linear-gradient(180deg, rgba(11, 27, 43, 0.16), rgba(11, 27, 43, 0.44));
}
.page-faq .figure .frame img {
  display: block;
  width: 100%;
  height: 100%;
  max-width: 100%;
  object-fit: cover;
}
.page-faq .figure__cap {
  margin-top: 12px;
  font-size: 12.5px;
  line-height: 1.7;
  color: var(--muted);
  max-width: 62ch;
}

/* ---------- 双栏骨架 ---------- */
.page-faq .guide-body {
  display: grid;
  grid-template-columns: 1fr;
  gap: 28px;
  margin-top: clamp(34px, 5vw, 68px);
}
.page-faq .guide-index__inner {
  border-top: 1px solid var(--hair);
  padding-top: 16px;
}
.page-faq .guide-index .eyebrow {
  color: var(--muted);
}

.page-faq .guide-jump {
  list-style: none;
  margin: 14px 0 0;
  padding: 0 0 6px;
  display: flex;
  gap: 8px;
  overflow-x: auto;
  scrollbar-width: none;
  -webkit-overflow-scrolling: touch;
}
.page-faq .guide-jump::-webkit-scrollbar {
  display: none;
}
.page-faq .guide-jump li {
  flex: 0 0 auto;
}
.page-faq .guide-jump a {
  display: block;
  white-space: nowrap;
  padding: 6px 14px;
  border: 1px solid var(--hair);
  border-radius: 999px;
  font-size: 13px;
  line-height: 1.5;
  color: var(--muted);
  text-decoration: none;
  transition: color var(--dur) var(--ease), border-color var(--dur) var(--ease);
}
.page-faq .guide-jump a:hover,
.page-faq .guide-jump a:focus-visible {
  color: var(--ink);
  border-color: var(--lake);
}

/* ---------- 章节 ---------- */
.page-faq .gsec {
  padding-bottom: clamp(38px, 5.5vw, 68px);
  scroll-margin-top: 28px;
}
.page-faq .gsec + .gsec {
  border-top: 1px solid var(--hair);
  padding-top: clamp(38px, 5.5vw, 68px);
}
.page-faq .gsec__num {
  display: block;
  font-family: var(--font-mono);
  font-size: 11.5px;
  font-weight: 500;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--batch);
  margin-bottom: 10px;
}
.page-faq .gsec__head .title {
  margin: 0 0 10px;
  font-size: clamp(20px, 2.5vw, 27px);
  font-weight: 600;
  line-height: 1.28;
  color: var(--ink);
}
.page-faq .gsec__intro {
  margin: 0;
  font-size: 15px;
  line-height: 1.78;
  color: var(--muted);
  max-width: 62ch;
}
.page-faq .gsec__head {
  margin-bottom: 24px;
}

/* ---------- 步骤 ---------- */
.page-faq .steps {
  list-style: none;
  margin: 0 0 28px;
  padding: 0;
}
.page-faq .step {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: 14px;
  padding: 18px 0;
  border-top: 1px solid var(--hair);
}
.page-faq .step:last-child {
  border-bottom: 1px solid var(--hair);
}
.page-faq .step__num {
  font-family: var(--font-mono);
  font-size: 21px;
  font-weight: 500;
  line-height: 1.15;
  letter-spacing: -0.01em;
  color: var(--lake);
}
.page-faq .step__title {
  margin: 0 0 6px;
  font-size: 16px;
  font-weight: 600;
  line-height: 1.5;
  color: var(--ink);
}
.page-faq .step__body p {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.8;
  color: var(--muted);
}
.page-faq .steps--compact .step__num {
  color: var(--batch);
}

/* ---------- 问答卡片 ---------- */
.page-faq .qa-list {
  display: grid;
  gap: 20px;
}
.page-faq .qa {
  padding: 2px 0 2px 16px;
  border-left: var(--faq-bar) solid var(--hair);
}
.page-faq .qa[data-cat="start"] {
  border-left-color: var(--lake);
}
.page-faq .qa[data-cat="reg"] {
  border-left-color: var(--lime);
}
.page-faq .qa[data-cat="live"] {
  border-left-color: var(--batch);
}
.page-faq .qa[data-cat="batch"] {
  border-left-color: var(--deep-2);
}
.page-faq .qa[data-cat="rights"] {
  border-left-color: var(--copper);
}
.page-faq .qa[data-cat="help"] {
  border-left-color: var(--muted);
}
.page-faq .qa__q {
  margin: 0 0 8px;
  font-size: 15.5px;
  font-weight: 600;
  line-height: 1.55;
  color: var(--ink);
}
.page-faq .qa__a p {
  margin: 0 0 8px;
  font-size: 14.5px;
  line-height: 1.8;
  color: var(--muted);
}
.page-faq .qa__a p:last-child {
  margin-bottom: 0;
}

.page-faq .qa__more {
  margin-top: 10px;
}
.page-faq .qa__summary {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 4px 0;
  cursor: pointer;
  list-style: none;
  font-size: 13px;
  font-weight: 600;
  color: var(--lake);
}
.page-faq .qa__summary::-webkit-details-marker {
  display: none;
}
.page-faq .qa__summary::after {
  content: "＋";
  font-family: var(--font-mono);
  font-size: 12px;
  line-height: 1;
  transition: color var(--dur) var(--ease);
}
.page-faq .qa__more[open] .qa__summary::after {
  content: "－";
}
.page-faq .qa__summary:hover,
.page-faq .qa__summary:focus-visible {
  color: var(--deep);
}
.page-faq .qa__extra {
  margin-top: 12px;
  padding-top: 12px;
  border-top: 1px dashed var(--hair);
}
.page-faq .qa__extra p {
  margin: 0 0 8px;
  font-size: 14.5px;
  line-height: 1.8;
  color: var(--muted);
}
.page-faq .qa__extra p:last-child {
  margin-bottom: 0;
}

.page-faq .mini-steps {
  margin: 0;
  padding-left: 18px;
  display: grid;
  gap: 7px;
}
.page-faq .mini-steps li {
  font-size: 14.5px;
  line-height: 1.75;
  color: var(--muted);
}

/* ---------- 注册字段 ---------- */
.page-faq .fields {
  list-style: none;
  margin: 0 0 28px;
  padding: 0;
  display: grid;
  gap: 1px;
  background: var(--hair);
  border: 1px solid var(--hair);
  border-radius: 3px;
  overflow: hidden;
}
.page-faq .field {
  background: #ffffff;
  padding: 17px 18px;
  display: grid;
  gap: 7px;
}
.page-faq .field__key {
  font-family: var(--font-mono);
  font-size: 13.5px;
  font-weight: 500;
  letter-spacing: 0.02em;
  color: var(--deep-2);
}
.page-faq .field__desc {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.78;
  color: var(--muted);
}

/* ---------- 入口状态 ---------- */
.page-faq .states {
  list-style: none;
  margin: 0 0 28px;
  padding: 0;
  display: grid;
  gap: 12px;
}
.page-faq .state {
  padding: 16px 18px;
  border: 1px solid var(--hair);
  border-left-width: var(--faq-bar);
  border-radius: 3px;
  background: #ffffff;
  box-shadow: var(--shadow-1);
}
.page-faq .state p {
  margin: 10px 0 0;
  font-size: 14.5px;
  line-height: 1.78;
  color: var(--muted);
}

/* ---------- 权益 ---------- */
.page-faq .rights {
  list-style: none;
  margin: 0 0 28px;
  padding: 0;
  display: grid;
  gap: 0;
  counter-reset: rights;
}
.page-faq .rights__item {
  padding: 17px 0;
  border-top: 1px solid var(--hair);
}
.page-faq .rights__item:last-child {
  border-bottom: 1px solid var(--hair);
}
.page-faq .rights__k {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 11.5px;
  font-weight: 500;
  letter-spacing: 0.12em;
  color: var(--copper);
  border: 1px solid var(--copper);
  border-radius: 2px;
  padding: 3px 8px;
  margin-bottom: 9px;
}
.page-faq .rights__item p {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.8;
  color: var(--muted);
}

/* ---------- 联系 ---------- */
.page-faq .help-grid {
  display: grid;
  gap: 14px;
  margin-bottom: 24px;
}
.page-faq .help-card {
  padding: 18px;
  border: 1px solid var(--hair);
  border-radius: 3px;
  background: linear-gradient(160deg, #ffffff 0%, var(--frost) 100%);
}
.page-faq .help-card__k {
  display: block;
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 500;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--lake);
  margin-bottom: 10px;
}
.page-faq .help-card__d {
  margin: 0 0 8px;
  font-size: 14.5px;
  line-height: 1.78;
  color: var(--ink);
}
.page-faq .help-card__tip {
  margin: 0;
  font-size: 13px;
  line-height: 1.7;
  color: var(--muted);
}

.page-faq .faq-contact {
  margin: 0 0 28px;
  padding: 0;
}
.page-faq .faq-contact .contact-item {
  align-items: center;
  flex-wrap: wrap;
  gap: 8px;
}
.page-faq .faq-contact .contact-item__val {
  word-break: break-all;
}

/* ---------- 页尾 ---------- */
.page-faq .figure--end {
  margin-top: clamp(36px, 5vw, 68px);
  margin-bottom: clamp(40px, 6vw, 80px);
}

/* ---------- 断点 ---------- */
@media (min-width: 720px) {
  .page-faq .faq-facts {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }
  .page-faq .field {
    grid-template-columns: 150px minmax(0, 1fr);
    align-items: baseline;
    gap: 20px;
  }
  .page-faq .states {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
  .page-faq .help-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
  .page-faq .step {
    gap: 20px;
  }
}

@media (min-width: 1024px) {
  .page-faq .guide-body {
    grid-template-columns: var(--faq-index-w) minmax(0, 1fr);
    gap: clamp(32px, 4vw, 64px);
    align-items: start;
  }
  .page-faq .guide-index__inner {
    position: sticky;
    top: 32px;
  }
  .page-faq .guide-jump {
    flex-direction: column;
    gap: 0;
    overflow-x: visible;
    padding-bottom: 0;
  }
  .page-faq .guide-jump li {
    flex: 1 1 auto;
  }
  .page-faq .guide-jump a {
    white-space: normal;
    border: 0;
    border-left: 2px solid var(--hair);
    border-radius: 0;
    padding: 10px 0 10px 14px;
    font-size: 13.5px;
    line-height: 1.5;
    transition: color var(--dur) var(--ease), border-color var(--dur) var(--ease);
  }
  .page-faq .guide-jump a:hover,
  .page-faq .guide-jump a:focus-visible {
    border-left-color: var(--lime);
    border-top-color: transparent;
    border-right-color: transparent;
    border-bottom-color: transparent;
  }
}

@media (min-width: 1180px) {
  .page-faq .qa-list {
    gap: 24px;
  }
  .page-faq .qa__q {
    font-size: 16px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-faq .guide-jump a,
  .page-faq .qa__summary::after {
    transition: none;
  }
}