.page-faq {
  background: var(--paper);
  color: var(--paper-ink);
  font-family: var(--font-sans);
}

/* ---------- 首屏 ---------- */
.page-faq .faq-hero {
  padding: 22px 0 34px;
}

.page-faq .faq-scale {
  height: 11px;
  border-bottom: 1px solid var(--line);
  background-image: repeating-linear-gradient(to right, var(--line-strong) 0 1px, transparent 1px 16px);
  margin-bottom: 16px;
}

.page-faq .breadcrumbs {
  margin-bottom: 22px;
}

.page-faq .faq-hero__grid {
  display: grid;
  gap: 30px;
}

.page-faq .faq-hero h1 {
  margin: 0 0 16px;
  font-size: clamp(30px, 4.6vw, 52px);
  font-weight: 900;
  line-height: 1.16;
  letter-spacing: -0.02em;
  max-width: 20ch;
}

.page-faq .faq-lede {
  margin: 0 0 22px;
  max-width: 34em;
  font-size: 16.5px;
  line-height: 1.78;
  color: #3a434b;
}

.page-faq .faq-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 20px;
  font-family: var(--font-mono);
  font-size: 12.5px;
  letter-spacing: 0.04em;
  color: #5a646b;
}

.page-faq .faq-meta span {
  position: relative;
  padding-left: 13px;
}

.page-faq .faq-meta span::before {
  content: "";
  position: absolute;
  left: 0;
  top: 50%;
  width: 5px;
  height: 5px;
  transform: translateY(-50%);
  background: var(--grass);
}

.page-faq .faq-hero__media {
  margin: 0;
  border-radius: var(--radius);
  box-shadow: var(--shadow-1);
}

/* ---------- 规则速查 ---------- */
.page-faq .faq-quick .section-head {
  max-width: 46em;
}

.page-faq .faq-quick .section-title {
  font-size: clamp(22px, 2.6vw, 30px);
  font-weight: 900;
  letter-spacing: -0.01em;
  margin: 6px 0 10px;
}

.page-faq .faq-quick .section-lede {
  margin: 0;
  font-size: 16px;
  line-height: 1.75;
  color: #3a434b;
}

.page-faq .quick-grid {
  display: grid;
  gap: 14px;
  margin-top: 26px;
}

.page-faq .quick-card {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 12px;
  padding: 24px 22px 22px;
  background: #ffffff;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  color: inherit;
  text-decoration: none;
  transition: transform 0.22s var(--ease), box-shadow 0.22s var(--ease), border-color 0.22s var(--ease);
}

.page-faq .quick-card::before {
  content: "";
  position: absolute;
  inset: 0 0 auto 0;
  height: 3px;
  background: var(--grass);
  border-radius: var(--radius) var(--radius) 0 0;
}

.page-faq .quick-card:hover,
.page-faq .quick-card:focus-visible {
  transform: translateY(-4px);
  border-color: var(--grass);
  box-shadow: var(--shadow-2);
  outline: none;
}

.page-faq .quick-card__idx {
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: 0.12em;
  color: var(--grass);
}

.page-faq .quick-card__title {
  margin: 0;
  font-size: 19px;
  font-weight: 700;
  line-height: 1.4;
}

.page-faq .quick-card__rule {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 20px;
  font-weight: 700;
  letter-spacing: -0.01em;
  color: var(--night);
  padding: 8px 10px;
  background: var(--mint);
  border-left: 3px solid var(--grass);
  border-radius: var(--radius-sm);
}

.page-faq .quick-card__text {
  margin: 0;
  font-size: 15px;
  line-height: 1.72;
  color: #3a434b;
}

.page-faq .quick-card__demo {
  margin: auto 0 0;
  padding-top: 12px;
  border-top: 1px dashed var(--line-strong);
  font-size: 13.5px;
  line-height: 1.65;
  color: #5a646b;
}

/* ---------- 射门信息图区 ---------- */
.page-faq .faq-shot {
  padding: 48px 0 44px;
}

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

.page-faq .faq-shot__body .section-title {
  margin: 6px 0 12px;
  font-size: clamp(22px, 2.6vw, 30px);
  font-weight: 900;
  letter-spacing: -0.01em;
  line-height: 1.3;
}

.page-faq .faq-shot__lede {
  margin: 0;
  max-width: 34em;
  font-size: 16px;
  line-height: 1.78;
  color: #3a434b;
}

.page-faq .shot-list {
  list-style: none;
  margin: 18px 0 0;
  padding: 0;
  display: grid;
  gap: 10px;
}

.page-faq .shot-list li {
  display: flex;
  gap: 12px;
  align-items: baseline;
  font-size: 15px;
  line-height: 1.7;
  color: #3a434b;
  padding-bottom: 10px;
  border-bottom: 1px solid var(--line);
}

.page-faq .shot-list li:last-child {
  border-bottom: none;
}

.page-faq .shot-list b {
  flex: none;
  font-family: var(--font-mono);
  font-weight: 700;
  font-size: 13px;
  color: var(--grass);
}

.page-faq .faq-shot__note {
  margin: 14px 0 0;
  font-size: 14px;
  line-height: 1.7;
  color: #5a646b;
  padding-left: 12px;
  border-left: 3px solid var(--lime);
}

/* ---------- 筛选条 ---------- */
.page-faq .faq-main {
  padding: 8px 0 56px;
}

.page-faq .faq-filter {
  position: sticky;
  top: var(--header-h);
  z-index: 6;
  background: var(--paper);
  padding: 12px 0 0;
}

.page-faq .faq-filter .filter-bar {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  padding-bottom: 12px;
  border-bottom: 1px solid var(--line-strong);
}

.page-faq .faq-filter .filter-btn {
  border: 1px solid var(--line-strong);
  background: transparent;
  color: var(--paper-ink);
  border-radius: var(--radius-sm);
  transition: background 0.2s var(--ease), color 0.2s var(--ease), border-color 0.2s var(--ease);
}

.page-faq .faq-filter .filter-btn:hover {
  border-color: var(--grass);
  color: var(--grass-deep);
}

.page-faq .faq-filter .filter-btn[aria-pressed="true"] {
  background: var(--grass);
  border-color: var(--grass);
  color: #ffffff;
}

.page-faq .faq-filter .filter-count {
  margin-left: auto;
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--silver);
}

/* ---------- 主体布局 ---------- */
.page-faq .faq-body {
  display: grid;
  gap: 26px;
  padding-top: 26px;
}

.page-faq .faq-toc {
  align-self: start;
}

.page-faq .faq-toc__title {
  margin: 0 0 10px;
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: 0.14em;
  color: #6b747a;
}

.page-faq .faq-toc ul {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 2px;
}

.page-faq .faq-toc a {
  display: flex;
  gap: 10px;
  align-items: baseline;
  padding: 8px 10px;
  font-size: 14.5px;
  color: #3a434b;
  text-decoration: none;
  border-left: 2px solid transparent;
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
  transition: color 0.2s var(--ease), border-color 0.2s var(--ease), background 0.2s var(--ease);
}

.page-faq .faq-toc a:hover,
.page-faq .faq-toc a:focus-visible {
  color: var(--grass-deep);
  border-left-color: var(--grass);
  background: var(--mint);
  outline: none;
}

.page-faq .toc-num {
  font-family: var(--font-mono);
  font-size: 11.5px;
  color: var(--silver);
}

/* ---------- 问答分组 ---------- */
.page-faq .faq-group {
  margin-bottom: 40px;
  scroll-margin-top: calc(var(--header-h) + 96px);
}

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

.page-faq .faq-group__head {
  display: flex;
  align-items: baseline;
  gap: 12px;
  padding-bottom: 10px;
  border-bottom: 1px solid var(--line-strong);
}

.page-faq .faq-group__num {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.1em;
  color: var(--grass);
}

.page-faq .faq-group__title {
  margin: 0;
  font-size: 20px;
  font-weight: 700;
  letter-spacing: -0.01em;
}

.page-faq .faq-group__count {
  margin-left: auto;
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--silver);
}

.page-faq .faq-item {
  border-bottom: 1px solid var(--line);
  scroll-margin-top: calc(var(--header-h) + 96px);
}

.page-faq .faq-item__q {
  display: flex;
  align-items: baseline;
  gap: 14px;
  padding: 15px 0;
  cursor: pointer;
  list-style: none;
}

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

.page-faq .faq-item__q:hover .faq-item__text {
  color: var(--grass-deep);
}

.page-faq .faq-item__q:focus-visible {
  outline: 2px solid var(--sky);
  outline-offset: 2px;
}

.page-faq .faq-item__idx {
  flex: none;
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--silver);
  padding-top: 3px;
}

.page-faq .faq-item__text {
  font-size: 16px;
  font-weight: 500;
  line-height: 1.6;
  transition: color 0.2s var(--ease);
}

.page-faq .faq-item__sign {
  position: relative;
  flex: none;
  align-self: center;
  margin-left: auto;
  width: 12px;
  height: 12px;
}

.page-faq .faq-item__sign::before,
.page-faq .faq-item__sign::after {
  content: "";
  position: absolute;
  background: var(--grass);
  transition: transform 0.2s var(--ease);
}

.page-faq .faq-item__sign::before {
  left: 0;
  top: 5.5px;
  width: 12px;
  height: 1.5px;
}

.page-faq .faq-item__sign::after {
  left: 5.25px;
  top: 0;
  width: 1.5px;
  height: 12px;
}

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

.page-faq .faq-item__a {
  padding: 0 0 18px 32px;
}

.page-faq .faq-item__a p {
  margin: 0 0 10px;
  max-width: 34em;
  font-size: 15.5px;
  line-height: 1.78;
  color: #3a434b;
}

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

.page-faq .faq-item__a a {
  color: var(--sky);
  text-decoration: underline;
  text-underline-offset: 3px;
}

.page-faq .faq-item__a a:hover {
  color: var(--grass-deep);
}

.page-faq .faq-diagram {
  display: block;
  width: 100%;
  max-width: 360px;
  height: auto;
  margin-top: 14px;
}

/* ---------- 底部求助 ---------- */
.page-faq .faq-help {
  color: var(--ink-inverse);
}

.page-faq .faq-help .eyebrow {
  color: var(--lime);
}

.page-faq .faq-help__grid {
  display: grid;
  gap: 28px;
}

.page-faq .faq-help__title {
  margin: 8px 0 12px;
  font-size: clamp(22px, 2.8vw, 32px);
  font-weight: 900;
  letter-spacing: -0.01em;
  color: var(--ink-inverse);
}

.page-faq .faq-help__text {
  margin: 0;
  max-width: 34em;
  font-size: 16px;
  line-height: 1.78;
  color: var(--ink-inverse-dim);
}

.page-faq .faq-help__channels {
  display: grid;
  gap: 12px;
  align-content: start;
}

.page-faq .faq-channel {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 6px 16px;
  padding: 12px 14px;
  border: 1px solid var(--line-dark);
  border-radius: var(--radius);
  background: rgba(232, 235, 233, 0.04);
}

.page-faq .faq-channel__label {
  font-size: 13px;
  color: var(--silver);
  letter-spacing: 0.04em;
}

.page-faq .faq-channel__value {
  font-size: 16px;
  font-weight: 700;
  color: var(--ink-inverse);
  letter-spacing: 0.01em;
}

.page-faq .faq-help__cta {
  justify-self: start;
  margin-top: 4px;
}

/* ---------- 响应式 ---------- */
@media (max-width: 999px) {
  .page-faq .faq-toc ul {
    grid-auto-flow: column;
    grid-auto-columns: max-content;
    overflow-x: auto;
    gap: 6px;
    padding-bottom: 6px;
    -webkit-overflow-scrolling: touch;
  }

  .page-faq .faq-toc a {
    border-left: none;
    border-bottom: 2px solid transparent;
    border-radius: var(--radius-sm) var(--radius-sm) 0 0;
    white-space: nowrap;
  }

  .page-faq .faq-toc a:hover,
  .page-faq .faq-toc a:focus-visible {
    border-left-color: transparent;
    border-bottom-color: var(--grass);
  }
}

@media (min-width: 760px) {
  .page-faq .faq-hero {
    padding: 28px 0 44px;
  }

  .page-faq .quick-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 16px;
  }

  .page-faq .faq-help__grid {
    grid-template-columns: minmax(0, 1.05fr) minmax(0, 0.95fr);
    gap: 40px;
    align-items: start;
  }
}

@media (min-width: 920px) {
  .page-faq .faq-hero__grid {
    grid-template-columns: minmax(0, 1.02fr) minmax(0, 0.98fr);
    gap: 44px;
    align-items: center;
  }
}

@media (min-width: 1000px) {
  .page-faq .faq-body {
    grid-template-columns: 200px minmax(0, 1fr);
    gap: 48px;
  }

  .page-faq .faq-toc {
    position: sticky;
    top: calc(var(--header-h) + 78px);
  }
}

@media (max-width: 560px) {
  .page-faq .faq-item__a {
    padding-left: 0;
  }

  .page-faq .faq-group__count {
    display: none;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-faq .quick-card,
  .page-faq .faq-item__sign::before,
  .page-faq .faq-item__sign::after,
  .page-faq .faq-item__text {
    transition: none;
  }

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