.page-faq {
  --faq-num-col: 64px;
  --faq-gap: 18px;
  --faq-rule: rgba(205, 191, 168, 0.9);
}

.page-faq .faq-hero,
.page-faq .faq-block,
.page-faq .faq-steps,
.page-faq .faq-score,
.page-faq .faq-archive,
.page-faq .faq-contact {
  padding-block: clamp(36px, 6vw, 76px);
}

/* ---------- 通用排版 ---------- */
.page-faq h1 {
  font-family: var(--font-heading);
  font-weight: 800;
  letter-spacing: -0.02em;
  font-size: clamp(28px, 6.4vw, 50px);
  line-height: 1.12;
  margin: 12px 0 0;
}

.page-faq h2 {
  font-family: var(--font-heading);
  font-weight: 800;
  letter-spacing: -0.02em;
  font-size: clamp(23px, 4.2vw, 36px);
  line-height: 1.2;
  margin: 10px 0 0;
}

.page-faq h3 {
  font-family: var(--font-heading);
  font-weight: 800;
  font-size: 17px;
  line-height: 1.4;
  letter-spacing: -0.01em;
  margin: 0 0 8px;
}

.page-faq .eyebrow {
  margin: 0;
}

.page-faq .lead {
  max-width: 62ch;
  margin-top: 14px;
}

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

.page-faq .figure img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  border-radius: var(--radius);
}

.page-faq .figure__caption {
  margin-top: 10px;
  font-size: 13px;
  line-height: 1.65;
  color: var(--fg-muted);
}

/* ---------- 首屏 ---------- */
.page-faq .breadcrumb {
  margin-bottom: clamp(20px, 4vw, 36px);
}

.page-faq .faq-hero__body {
  max-width: 60ch;
}

.page-faq .faq-hero__index {
  margin-top: clamp(26px, 4.5vw, 44px);
  --index-cols: 1;
}

.page-faq .index-list__link:hover .index-list__label {
  color: var(--c-amber);
}

/* ---------- 五个高频问题 ---------- */
.page-faq .faq-list {
  list-style: none;
  margin: clamp(26px, 4vw, 40px) 0 0;
  padding: 0;
  border-top: 1px solid var(--faq-rule);
  counter-reset: none;
}

.page-faq .faq-list > .faq-item {
  border-bottom: 1px solid var(--faq-rule);
}

.page-faq .faq-item summary {
  list-style: none;
  cursor: pointer;
  display: grid;
  grid-template-columns: var(--faq-num-col) minmax(0, 1fr) 16px;
  align-items: center;
  gap: var(--faq-gap);
  padding-block: clamp(18px, 2.6vw, 26px);
  transition: background-color var(--t-fast) var(--ease);
}

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

.page-faq .faq-item summary:hover {
  background-color: rgba(240, 138, 36, 0.07);
}

.page-faq .faq-item__num {
  font-family: var(--font-serif);
  font-weight: 700;
  font-variant-numeric: tabular-nums;
  font-size: clamp(32px, 6vw, 48px);
  line-height: 0.9;
  color: var(--accent-text);
  transition: color var(--t-fast) var(--ease);
}

.page-faq .faq-item__q {
  font-family: var(--font-heading);
  font-weight: 800;
  font-size: clamp(17px, 2.1vw, 20px);
  line-height: 1.4;
  letter-spacing: -0.01em;
  transition: color var(--t-fast) var(--ease);
}

.page-faq .faq-item summary:hover .faq-item__q {
  color: var(--accent-text);
}

.page-faq .faq-item[open] .faq-item__num {
  color: var(--c-sunset);
}

.page-faq .faq-item__tog {
  position: relative;
  width: 14px;
  height: 14px;
  justify-self: end;
}

.page-faq .faq-item__tog::before,
.page-faq .faq-item__tog::after {
  content: "";
  position: absolute;
  background: var(--c-sunset);
  transition: transform var(--t-mid) var(--ease);
}

.page-faq .faq-item__tog::before {
  top: 6px;
  left: 0;
  right: 0;
  height: 2px;
}

.page-faq .faq-item__tog::after {
  top: 0;
  bottom: 0;
  left: 6px;
  width: 2px;
}

.page-faq .faq-item[open] .faq-item__tog::after {
  transform: scaleY(0);
}

.page-faq .faq-item__a {
  padding: 0 0 clamp(18px, 2.6vw, 26px)
    calc(var(--faq-num-col) + var(--faq-gap));
}

.page-faq .faq-item__a p {
  margin: 0;
  max-width: 64ch;
  line-height: 1.75;
  color: var(--fg-muted);
}

/* ---------- 第一次上手的五步 ---------- */
.page-faq .faq-steps__head {
  display: grid;
  gap: clamp(22px, 4vw, 44px);
}

.page-faq .faq-steps__figure img {
  border: 1px solid rgba(156, 198, 214, 0.28);
}

.page-faq .step-track {
  list-style: none;
  margin: clamp(28px, 5vw, 52px) 0 0;
  padding: 0 0 10px;
  display: grid;
  grid-auto-flow: column;
  grid-auto-columns: minmax(212px, 76%);
  gap: 2px;
  overflow-x: auto;
  scroll-snap-type: x mandatory;
  -webkit-overflow-scrolling: touch;
}

.page-faq .step-track__item {
  position: relative;
  scroll-snap-align: start;
  padding: 22px 18px 18px 0;
  border-top: 2px solid var(--line);
  transition: background-color var(--t-mid) var(--ease);
}

.page-faq .step-track__item::after {
  content: "";
  position: absolute;
  top: -2px;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--c-sunset);
  transition: width var(--t-mid) var(--ease);
}

.page-faq .step-track__item:hover::after {
  width: 100%;
}

.page-faq .step-track__item:hover {
  background-color: rgba(240, 138, 36, 0.08);
}

.page-faq .step-track__num {
  display: block;
  font-family: var(--font-serif);
  font-weight: 700;
  font-variant-numeric: tabular-nums;
  font-size: clamp(34px, 5vw, 46px);
  line-height: 1;
  color: var(--c-amber);
}

.page-faq .step-track__title {
  margin: 12px 0 6px;
  font-family: var(--font-heading);
  font-weight: 800;
  font-size: 17px;
  line-height: 1.4;
  color: #F4F8FB;
}

.page-faq .step-track__text {
  margin: 0;
  font-size: 15px;
  line-height: 1.7;
  color: var(--c-snow);
}

/* ---------- 比分与积分榜疑问 ---------- */
.page-faq .faq-score__grid {
  display: grid;
  gap: clamp(28px, 4vw, 48px);
}

.page-faq .qa-plain {
  margin: clamp(22px, 3.2vw, 34px) 0 0;
}

.page-faq .qa-plain__row {
  padding: 18px 0;
  border-bottom: 1px dashed var(--faq-rule);
}

.page-faq .qa-plain__row:first-child {
  border-top: 1px dashed var(--faq-rule);
}

.page-faq .qa-plain dt {
  font-family: var(--font-heading);
  font-weight: 800;
  font-size: 17px;
  line-height: 1.45;
  color: var(--fg);
  margin-bottom: 6px;
}

.page-faq .qa-plain dd {
  margin: 0;
  max-width: 62ch;
  line-height: 1.75;
  color: var(--fg-muted);
}

.page-faq .faq-score__figure img {
  border: 1px solid var(--faq-rule);
}

/* ---------- 旧版本资料 ---------- */
.page-faq .faq-archive__grid {
  display: grid;
  gap: clamp(26px, 4vw, 48px);
  margin-top: clamp(24px, 3.4vw, 38px);
}

.page-faq .faq-archive__notes h3 {
  margin-top: 22px;
}

.page-faq .faq-archive__notes h3:first-child {
  margin-top: 0;
}

.page-faq .faq-archive__notes p {
  margin: 0;
  max-width: 60ch;
  line-height: 1.75;
  color: var(--fg-muted);
}

.page-faq .faq-archive__hint {
  margin: 0 0 10px;
  font-size: 13px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--accent-text);
}

.page-faq .tree,
.page-faq .tree__sub {
  list-style: none;
  margin: 0;
  padding: 0;
}

.page-faq .tree > li {
  border-bottom: 1px solid var(--faq-rule);
}

.page-faq .tree > li:first-child {
  border-top: 1px solid var(--faq-rule);
}

.page-faq .tree summary {
  position: relative;
  cursor: pointer;
  list-style: none;
  padding: 14px 0 14px 24px;
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: 16px;
  color: var(--fg);
  transition: color var(--t-fast) var(--ease);
}

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

.page-faq .tree summary::before {
  content: "";
  position: absolute;
  left: 3px;
  top: 50%;
  width: 8px;
  height: 8px;
  margin-top: -5px;
  border-right: 2px solid var(--accent-text);
  border-bottom: 2px solid var(--accent-text);
  transform: rotate(-45deg);
  transition: transform var(--t-mid) var(--ease);
}

.page-faq .tree details[open] > summary::before {
  transform: rotate(45deg);
}

.page-faq .tree summary:hover {
  color: var(--accent-text);
}

.page-faq .tree__sub {
  margin: 0 0 14px 26px;
  padding-left: 14px;
  border-left: 1px solid var(--faq-rule);
}

.page-faq .tree__sub li {
  padding: 7px 0;
  font-size: 15px;
  line-height: 1.6;
}

.page-faq .tree__sub a {
  color: var(--accent-text);
  text-decoration: underline;
  text-decoration-color: rgba(168, 85, 20, 0.35);
  text-underline-offset: 3px;
  transition: text-decoration-color var(--t-fast) var(--ease);
}

.page-faq .tree__sub a:hover {
  text-decoration-color: currentColor;
}

/* ---------- 还没解决 ---------- */
.page-faq .faq-contact__cards {
  margin-top: clamp(26px, 4vw, 42px);
}

.page-faq .faq-contact__card {
  background: var(--c-night-2);
  border: 1px solid rgba(156, 198, 214, 0.26);
  border-radius: var(--radius-lg);
  padding: clamp(18px, 2.4vw, 26px);
  transition: border-color var(--t-mid) var(--ease);
}

.page-faq .faq-contact__card:hover {
  border-color: var(--c-sunset);
}

.page-faq .faq-contact__card h3 {
  color: var(--c-amber);
  font-size: 15px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  margin-bottom: 12px;
}

.page-faq .faq-contact__val {
  margin: 0 0 8px;
  font-family: var(--font-score);
  font-variant-numeric: tabular-nums;
  font-size: 16px;
  line-height: 1.6;
  color: #F4F8FB;
  word-break: break-word;
}

.page-faq .faq-contact__note {
  margin: 0;
  font-size: 14px;
  line-height: 1.7;
  color: var(--c-snow);
}

.page-faq .faq-contact__foot {
  margin-top: clamp(26px, 4vw, 40px);
  padding-top: clamp(20px, 3vw, 30px);
  border-top: 1px solid rgba(156, 198, 214, 0.26);
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 18px;
}

.page-faq .faq-contact__foot p {
  margin: 0;
  max-width: 60ch;
  line-height: 1.75;
  color: var(--c-snow);
}

/* ---------- 响应式 ---------- */
@media (min-width: 640px) {
  .page-faq .faq-hero__index {
    --index-cols: 2;
  }

  .page-faq .step-track {
    grid-auto-columns: minmax(220px, 46%);
  }
}

@media (min-width: 900px) {
  .page-faq .faq-hero__index {
    --index-cols: 5;
  }

  .page-faq .faq-steps__head {
    grid-template-columns: minmax(200px, 280px) minmax(0, 1fr);
    align-items: start;
  }

  .page-faq .faq-steps__figure {
    grid-column: 1;
    grid-row: 1;
  }

  .page-faq .faq-steps__copy {
    grid-column: 2;
    grid-row: 1;
  }

  .page-faq .step-track {
    grid-auto-flow: row;
    grid-template-columns: repeat(5, minmax(0, 1fr));
    grid-auto-columns: auto;
    gap: 0;
    overflow: visible;
    padding-bottom: 0;
  }

  .page-faq .step-track__item {
    padding-right: 26px;
  }

  .page-faq .faq-score__grid {
    grid-template-columns: minmax(0, 1fr) minmax(240px, 320px);
    align-items: start;
  }

  .page-faq .faq-archive__grid {
    grid-template-columns: minmax(0, 1fr) minmax(300px, 440px);
    align-items: start;
  }

  .page-faq .faq-contact__foot {
    flex-direction: row;
    align-items: center;
    justify-content: space-between;
  }

  .page-faq .faq-contact__foot p {
    max-width: 62ch;
  }
}

@media (min-width: 1100px) {
  .page-faq .step-track__item {
    padding-right: 40px;
  }
}

@media (max-width: 560px) {
  .page-faq {
    --faq-num-col: 44px;
    --faq-gap: 12px;
  }

  .page-faq .faq-item__a {
    padding-left: calc(var(--faq-num-col) + var(--faq-gap));
  }

  .page-faq .tree__sub {
    margin-left: 16px;
    padding-left: 12px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-faq .faq-item summary,
  .page-faq .faq-item__num,
  .page-faq .faq-item__q,
  .page-faq .faq-item__tog::before,
  .page-faq .faq-item__tog::after,
  .page-faq .step-track__item,
  .page-faq .step-track__item::after,
  .page-faq .tree summary,
  .page-faq .tree summary::before,
  .page-faq .faq-contact__card {
    transition: none;
  }
}