.page-faq {
  --faq-gap: clamp(18px, 3vw, 34px);
  --faq-ripple: clamp(28px, 4vw, 48px);
  color: var(--text);
}

.page-faq .breadcrumb {
  padding-top: 18px;
}

.page-faq .breadcrumb__list {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 0;
  padding: 0;
  list-style: none;
  font-size: 13px;
  color: var(--muted);
}

.page-faq .breadcrumb__item {
  display: flex;
  align-items: center;
  gap: 8px;
}

.page-faq .breadcrumb__item + .breadcrumb__item::before {
  content: "/";
  color: var(--line);
}

.page-faq .breadcrumb__item a {
  color: var(--muted);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: color var(--dur) var(--ease), border-color var(--dur) var(--ease);
}

.page-faq .breadcrumb__item a:hover {
  color: var(--cyan);
  border-bottom-color: var(--cyan);
}

.page-faq .breadcrumb__item[aria-current] {
  color: var(--text);
}

/* ---------- 首屏 ---------- */
.page-faq .faq-hero {
  position: relative;
  padding: clamp(28px, 4vw, 54px) 0 clamp(34px, 5vw, 64px);
  background:
    radial-gradient(110% 90% at 92% -10%, rgba(53, 242, 214, 0.14), transparent 62%),
    radial-gradient(80% 80% at -10% 110%, rgba(255, 138, 61, 0.11), transparent 66%);
  overflow: hidden;
}

.page-faq .faq-hero__inner {
  display: grid;
  gap: var(--faq-gap);
  align-items: end;
}

.page-faq .faq-kicker {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  margin: 0 0 14px;
  font-family: var(--ff-cond);
  font-size: 13px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--muted);
}

.page-faq .faq-kicker::before {
  content: "";
  width: 24px;
  height: 2px;
  background: var(--cyan);
  flex: 0 0 auto;
}

.page-faq .faq-hero h1 {
  margin: 0 0 16px;
  font-family: var(--ff-serif);
  font-weight: 700;
  font-size: clamp(30px, 5.4vw, 54px);
  line-height: 1.16;
  letter-spacing: -0.01em;
  max-width: 20ch;
}

.page-faq .faq-hero__lead {
  margin: 0;
  max-width: 60ch;
  font-size: 16px;
  line-height: 1.85;
  color: var(--muted);
}

.page-faq .faq-hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 24px;
}

.page-faq .faq-hero__stats {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 10px;
}

.page-faq .stat {
  padding: 14px 12px;
  border: 1px solid var(--line-soft);
  border-radius: var(--radius-sm);
  background: linear-gradient(160deg, rgba(16, 42, 71, 0.9), rgba(11, 29, 51, 0.5));
  box-shadow: 0 1px 0 rgba(234, 246, 255, 0.04) inset;
}

.page-faq .stat__num {
  display: block;
  font-family: var(--ff-mono);
  font-size: clamp(24px, 3.4vw, 32px);
  line-height: 1;
  color: var(--cyan);
}

.page-faq .stat__label {
  display: block;
  margin-top: 8px;
  font-size: 12px;
  line-height: 1.5;
  color: var(--muted);
}

/* ---------- 主题索引 + 正文分栏 ---------- */
.page-faq .faq-layout {
  padding-bottom: clamp(44px, 6vw, 88px);
}

.page-faq .faq-index__title {
  margin: 0 0 12px;
  font-family: var(--ff-cond);
  font-size: 12px;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--muted);
}

.page-faq .faq-index__list {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin: 0;
  padding: 0;
  list-style: none;
  border-left: 1px solid transparent;
}

.page-faq .faq-index__list a {
  display: flex;
  align-items: baseline;
  gap: 8px;
  padding: 7px 12px;
  border: 1px solid var(--line-soft);
  border-radius: 999px;
  font-size: 13px;
  color: var(--muted);
  text-decoration: none;
  transition: color var(--dur) var(--ease), border-color var(--dur) var(--ease);
}

.page-faq .faq-index__list a:hover,
.page-faq .faq-index__list a:focus-visible {
  color: var(--cyan);
  border-color: rgba(53, 242, 214, 0.5);
}

.page-faq .faq-index__list span {
  font-family: var(--ff-mono);
  font-size: 10px;
  color: var(--line);
}

/* ---------- 章节骨架 ---------- */
.page-faq .faq-section {
  padding: clamp(30px, 4vw, 50px) 0;
  border-top: 1px solid var(--line-soft);
  scroll-margin-top: 108px;
}

.page-faq .faq-body > .faq-section:first-child {
  border-top: 0;
  padding-top: 0;
}

.page-faq .faq-section__head {
  max-width: 68ch;
  margin-bottom: clamp(18px, 2.6vw, 28px);
}

.page-faq .faq-section__eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  margin: 0 0 12px;
  font-family: var(--ff-cond);
  font-size: 12px;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--muted);
}

.page-faq .faq-section__eyebrow::before {
  content: "";
  width: 20px;
  height: 2px;
  background: var(--cyan);
  flex: 0 0 auto;
}

.page-faq .faq-section h2 {
  margin: 0 0 12px;
  font-family: var(--ff-serif);
  font-weight: 700;
  font-size: clamp(23px, 3.2vw, 33px);
  line-height: 1.3;
  letter-spacing: -0.01em;
}

.page-faq .faq-section__lead {
  margin: 0;
  font-size: 15px;
  line-height: 1.85;
  color: var(--muted);
}

.page-faq .faq-section__lead a,
.page-faq .support-footnote a,
.page-faq .app-card p a,
.page-faq .rule-card__body a {
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px solid rgba(53, 242, 214, 0.4);
  transition: border-color var(--dur) var(--ease);
}

.page-faq .faq-section__lead a:hover,
.page-faq .support-footnote a:hover,
.page-faq .app-card p a:hover,
.page-faq .rule-card__body a:hover {
  border-bottom-color: var(--cyan);
}

/* ---------- 主题导览卡 ---------- */
.page-faq .topic-grid {
  display: grid;
  gap: 12px;
}

.page-faq .topic-card {
  display: flex;
  flex-direction: column;
  gap: 8px;
  padding: 18px 18px 16px;
  border: 1px solid var(--line-soft);
  border-radius: var(--radius);
  background: linear-gradient(165deg, rgba(16, 42, 71, 0.82), rgba(11, 29, 51, 0.55));
  color: inherit;
  text-decoration: none;
  transition: border-color var(--dur) var(--ease), background var(--dur) var(--ease);
}

.page-faq .topic-card:hover,
.page-faq .topic-card:focus-visible {
  border-color: rgba(53, 242, 214, 0.45);
  background: linear-gradient(165deg, rgba(20, 54, 90, 0.9), rgba(11, 29, 51, 0.62));
}

.page-faq .topic-card__no {
  font-family: var(--ff-mono);
  font-size: 11px;
  letter-spacing: 0.1em;
  color: var(--cyan);
}

.page-faq .topic-card h3 {
  margin: 0;
  font-family: var(--ff-cond);
  font-weight: 700;
  font-size: 21px;
  letter-spacing: 0.01em;
  line-height: 1.25;
}

.page-faq .topic-card p {
  margin: 0;
  font-size: 14px;
  line-height: 1.72;
  color: var(--muted);
}

.page-faq .topic-card__more {
  margin-top: 4px;
  font-size: 13px;
  color: var(--orange);
}

/* ---------- 图片容器 ---------- */
.page-faq .faq-figure {
  margin: 0 0 22px;
  border: 1px solid var(--line-soft);
  border-radius: var(--radius);
  overflow: hidden;
  background: var(--deep);
}

.page-faq .faq-figure--wide {
  margin-top: 24px;
  margin-bottom: 0;
}

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

.page-faq .faq-figure figcaption {
  padding: 12px 16px;
  border-top: 1px solid var(--line-soft);
  font-size: 13px;
  line-height: 1.65;
  color: var(--muted);
}

/* ---------- 判罚细则卡 ---------- */
.page-faq .rule-cards {
  display: grid;
  gap: 10px;
}

.page-faq .rule-card {
  border: 1px solid var(--line-soft);
  border-radius: var(--radius-sm);
  background: rgba(11, 29, 51, 0.68);
  transition: border-color var(--dur) var(--ease), background var(--dur) var(--ease);
}

.page-faq .rule-card[open] {
  border-color: rgba(53, 242, 214, 0.32);
  background: rgba(16, 42, 71, 0.78);
}

.page-faq .rule-card summary {
  display: flex;
  align-items: baseline;
  gap: 10px;
  padding: 14px 16px;
  cursor: pointer;
  list-style: none;
  font-family: var(--ff-cond);
  font-weight: 700;
  font-size: 18px;
  line-height: 1.4;
  letter-spacing: 0.01em;
}

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

.page-faq .rule-card summary::after {
  content: "＋";
  margin-left: auto;
  font-family: var(--ff-mono);
  font-size: 14px;
  color: var(--muted);
  flex: 0 0 auto;
}

.page-faq .rule-card[open] summary::after {
  content: "－";
  color: var(--cyan);
}

.page-faq .rule-card summary:focus-visible {
  outline: 2px solid var(--cyan);
  outline-offset: -2px;
  border-radius: var(--radius-sm);
}

.page-faq .rule-card__no {
  font-family: var(--ff-mono);
  font-size: 11px;
  font-weight: 400;
  color: var(--muted);
  flex: 0 0 auto;
}

.page-faq .rule-card__body {
  padding: 0 16px 16px;
  font-size: 14px;
  line-height: 1.78;
  color: var(--muted);
}

.page-faq .rule-card__body p {
  margin: 0 0 8px;
}

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

/* ---------- 红黄牌图例 ---------- */
.page-faq .legend-switch {
  position: relative;
  padding: clamp(16px, 2.4vw, 22px);
  border: 1px solid var(--line-soft);
  border-radius: var(--radius);
  background:
    linear-gradient(155deg, rgba(16, 42, 71, 0.86), rgba(6, 16, 31, 0.92));
}

.page-faq .legend-input,
.page-faq .filter-input {
  position: absolute;
  width: 1px;
  height: 1px;
  margin: -1px;
  padding: 0;
  overflow: hidden;
  clip: rect(0 0 0 0);
  white-space: nowrap;
  border: 0;
}

.page-faq .legend-tabs {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 16px;
}

.page-faq .legend-tab {
  cursor: pointer;
  padding: 8px 16px;
  border: 1px solid var(--line-soft);
  border-radius: 999px;
  font-family: var(--ff-cond);
  font-size: 15px;
  letter-spacing: 0.04em;
  color: var(--muted);
  transition: color var(--dur) var(--ease), background var(--dur) var(--ease), border-color var(--dur) var(--ease);
}

.page-faq .legend-tab:hover {
  color: var(--text);
  border-color: rgba(53, 242, 214, 0.45);
}

.page-faq #lg-yellow:checked ~ .legend-tabs .legend-tab[for="lg-yellow"] {
  background: var(--yellow);
  border-color: var(--yellow);
  color: #06101F;
}

.page-faq #lg-red:checked ~ .legend-tabs .legend-tab[for="lg-red"] {
  background: var(--red);
  border-color: var(--red);
  color: #06101F;
}

.page-faq #lg-double:checked ~ .legend-tabs .legend-tab[for="lg-double"] {
  background: var(--orange);
  border-color: var(--orange);
  color: #06101F;
}

.page-faq #lg-yellow:focus-visible ~ .legend-tabs .legend-tab[for="lg-yellow"],
.page-faq #lg-red:focus-visible ~ .legend-tabs .legend-tab[for="lg-red"],
.page-faq #lg-double:focus-visible ~ .legend-tabs .legend-tab[for="lg-double"] {
  outline: 2px solid var(--cyan);
  outline-offset: 3px;
}

.page-faq .legend-panel {
  display: none;
  gap: 16px;
}

.page-faq #lg-yellow:checked ~ .legend-panels .legend-panel[data-legend="yellow"],
.page-faq #lg-red:checked ~ .legend-panels .legend-panel[data-legend="red"],
.page-faq #lg-double:checked ~ .legend-panels .legend-panel[data-legend="double"] {
  display: grid;
  animation: faqPanelIn 0.24s var(--ease);
}

.page-faq .legend-panel__swatch {
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 82px;
  border-radius: var(--radius-sm);
  font-family: var(--ff-mono);
  font-size: clamp(18px, 3vw, 24px);
  letter-spacing: 0.14em;
  color: #06101F;
}

.page-faq .legend-panel__swatch--yellow {
  background: linear-gradient(115deg, rgba(255, 209, 102, 0.98), rgba(255, 209, 102, 0.55));
}

.page-faq .legend-panel__swatch--red {
  background: linear-gradient(115deg, rgba(255, 77, 94, 0.98), rgba(255, 77, 94, 0.5));
}

.page-faq .legend-panel__swatch--double {
  background: linear-gradient(115deg, rgba(255, 209, 102, 0.96) 0%, rgba(255, 138, 61, 0.9) 48%, rgba(255, 77, 94, 0.92) 100%);
}

.page-faq .legend-panel__text h3 {
  margin: 0 0 8px;
  font-family: var(--ff-cond);
  font-weight: 700;
  font-size: 20px;
  line-height: 1.35;
  letter-spacing: 0.01em;
}

.page-faq .legend-panel__text p {
  margin: 0;
  font-size: 14px;
  line-height: 1.78;
  color: var(--muted);
}

@keyframes faqPanelIn {
  from { opacity: 0; }
  to { opacity: 1; }
}

/* ---------- 尺度刻度 ---------- */
.page-faq .scale-block {
  margin-top: 26px;
}

.page-faq .scale-block__title {
  margin: 0 0 10px;
  font-family: var(--ff-cond);
  font-weight: 700;
  font-size: clamp(19px, 2.6vw, 24px);
  letter-spacing: 0.01em;
}

.page-faq .scale-block__lead {
  margin: 0 0 18px;
  max-width: 66ch;
  font-size: 14px;
  line-height: 1.85;
  color: var(--muted);
}

.page-faq .scale-ticks {
  display: grid;
  gap: 8px;
  margin: 0;
  padding: 0;
  list-style: none;
  counter-reset: none;
}

.page-faq .scale-ticks li {
  display: flex;
  align-items: baseline;
  gap: 12px;
  padding: 11px 14px;
  border-left: 2px solid transparent;
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
  background: linear-gradient(90deg, rgba(53, 242, 214, 0.10), rgba(53, 242, 214, 0.02) 55%, transparent);
  font-size: 14px;
  color: var(--text);
}

.page-faq .scale-ticks li:nth-child(n + 5) {
  background: linear-gradient(90deg, rgba(255, 209, 102, 0.12), rgba(255, 209, 102, 0.03) 55%, transparent);
  border-left-color: rgba(255, 209, 102, 0.45);
}

.page-faq .scale-ticks li:nth-child(n + 1):nth-child(-n + 4) {
  border-left-color: rgba(53, 242, 214, 0.4);
}

.page-faq .scale-ticks li:nth-child(n + 7) {
  background: linear-gradient(90deg, rgba(255, 77, 94, 0.14), rgba(255, 77, 94, 0.03) 55%, transparent);
  border-left-color: rgba(255, 77, 94, 0.5);
}

.page-faq .scale-ticks__n {
  font-family: var(--ff-mono);
  font-size: 12px;
  color: var(--muted);
  flex: 0 0 auto;
}

.page-faq .scale-ticks__t {
  line-height: 1.6;
}

/* ---------- 常见问题筛选 ---------- */
.page-faq .faq-board {
  position: relative;
}

.page-faq .faq-filters {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  align-items: center;
  margin-bottom: 18px;
}

.page-faq .faq-pill {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  cursor: pointer;
  padding: 8px 14px;
  border: 1px solid var(--line-soft);
  border-radius: 999px;
  font-size: 13.5px;
  color: var(--muted);
  transition: color var(--dur) var(--ease), border-color var(--dur) var(--ease), background var(--dur) var(--ease);
}

.page-faq .faq-pill span {
  font-family: var(--ff-mono);
  font-size: 11px;
  color: var(--line);
}

.page-faq .faq-pill:hover {
  color: var(--text);
  border-color: rgba(53, 242, 214, 0.45);
}

.page-faq #f-all:checked ~ .faq-filters .faq-pill[for="f-all"],
.page-faq #f-rules:checked ~ .faq-filters .faq-pill[for="f-rules"],
.page-faq #f-tools:checked ~ .faq-filters .faq-pill[for="f-tools"],
.page-faq #f-app:checked ~ .faq-filters .faq-pill[for="f-app"],
.page-faq #f-account:checked ~ .faq-filters .faq-pill[for="f-account"] {
  color: var(--void);
  background: var(--cyan);
  border-color: var(--cyan);
}

.page-faq #f-all:checked ~ .faq-filters .faq-pill[for="f-all"] span,
.page-faq #f-rules:checked ~ .faq-filters .faq-pill[for="f-rules"] span,
.page-faq #f-tools:checked ~ .faq-filters .faq-pill[for="f-tools"] span,
.page-faq #f-app:checked ~ .faq-filters .faq-pill[for="f-app"] span,
.page-faq #f-account:checked ~ .faq-filters .faq-pill[for="f-account"] span {
  color: rgba(6, 16, 31, 0.55);
}

.page-faq #f-all:focus-visible ~ .faq-filters .faq-pill[for="f-all"],
.page-faq #f-rules:focus-visible ~ .faq-filters .faq-pill[for="f-rules"],
.page-faq #f-tools:focus-visible ~ .faq-filters .faq-pill[for="f-tools"],
.page-faq #f-app:focus-visible ~ .faq-filters .faq-pill[for="f-app"],
.page-faq #f-account:focus-visible ~ .faq-filters .faq-pill[for="f-account"] {
  outline: 2px solid var(--cyan);
  outline-offset: 3px;
}

.page-faq .faq-list {
  display: grid;
  gap: 10px;
}

.page-faq #f-rules:checked ~ .faq-list .qa,
.page-faq #f-tools:checked ~ .faq-list .qa,
.page-faq #f-app:checked ~ .faq-list .qa,
.page-faq #f-account:checked ~ .faq-list .qa {
  display: none;
}

.page-faq #f-rules:checked ~ .faq-list .qa[data-topic="rules"],
.page-faq #f-tools:checked ~ .faq-list .qa[data-topic="tools"],
.page-faq #f-app:checked ~ .faq-list .qa[data-topic="app"],
.page-faq #f-account:checked ~ .faq-list .qa[data-topic="account"] {
  display: block;
  animation: faqPanelIn 0.22s var(--ease);
}

.page-faq .qa {
  border: 1px solid var(--line-soft);
  border-radius: var(--radius-sm);
  background: rgba(11, 29, 51, 0.62);
  transition: border-color var(--dur) var(--ease), background var(--dur) var(--ease);
}

.page-faq .qa[open] {
  border-color: rgba(53, 242, 214, 0.32);
  background: rgba(16, 42, 71, 0.72);
}

.page-faq .qa summary {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  padding: 15px 16px;
  cursor: pointer;
  list-style: none;
  font-size: 15.5px;
  font-weight: 500;
  line-height: 1.6;
}

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

.page-faq .qa summary::after {
  content: "＋";
  margin-left: auto;
  font-family: var(--ff-mono);
  font-size: 13px;
  line-height: 1.9;
  color: var(--muted);
  flex: 0 0 auto;
}

.page-faq .qa[open] summary::after {
  content: "－";
  color: var(--cyan);
}

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

.page-faq .qa__tag {
  flex: 0 0 auto;
  padding: 2px 8px;
  border: 1px solid var(--line-soft);
  border-radius: 4px;
  font-family: var(--ff-mono);
  font-size: 10px;
  letter-spacing: 0.06em;
  line-height: 1.7;
  color: var(--muted);
}

.page-faq .qa[data-topic="rules"] .qa__tag {
  color: var(--yellow);
  border-color: rgba(255, 209, 102, 0.4);
}

.page-faq .qa[data-topic="tools"] .qa__tag {
  color: var(--cyan);
  border-color: rgba(53, 242, 214, 0.4);
}

.page-faq .qa[data-topic="app"] .qa__tag {
  color: var(--orange);
  border-color: rgba(255, 138, 61, 0.4);
}

.page-faq .qa[data-topic="account"] .qa__tag {
  color: var(--red);
  border-color: rgba(255, 77, 94, 0.4);
}

.page-faq .qa__q {
  min-width: 0;
}

.page-faq .qa__a {
  padding: 0 16px 16px;
  font-size: 14px;
  line-height: 1.8;
  color: var(--muted);
}

.page-faq .qa__a p {
  margin: 0 0 8px;
}

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

/* ---------- CN APP ---------- */
.page-faq .app-grid {
  display: grid;
  gap: 12px;
}

.page-faq .app-card {
  padding: 20px 18px;
  border: 1px solid var(--line-soft);
  border-radius: var(--radius);
  background: linear-gradient(170deg, rgba(16, 42, 71, 0.72), rgba(6, 16, 31, 0.6));
}

.page-faq .app-card--accent {
  border-color: rgba(255, 138, 61, 0.4);
  background:
    radial-gradient(120% 130% at 100% 0%, rgba(255, 138, 61, 0.18), transparent 62%),
    linear-gradient(170deg, rgba(16, 42, 71, 0.85), rgba(6, 16, 31, 0.7));
}

.page-faq .app-card__badge {
  display: inline-block;
  margin-bottom: 12px;
  padding: 4px 10px;
  border: 1px solid var(--line-soft);
  border-radius: 4px;
  font-family: var(--ff-mono);
  font-size: 10px;
  letter-spacing: 0.12em;
  color: var(--muted);
}

.page-faq .app-card--accent .app-card__badge {
  color: var(--orange);
  border-color: rgba(255, 138, 61, 0.45);
}

.page-faq .app-card h3 {
  margin: 0 0 10px;
  font-family: var(--ff-cond);
  font-weight: 700;
  font-size: 20px;
  line-height: 1.35;
  letter-spacing: 0.01em;
}

.page-faq .app-card p {
  margin: 0;
  font-size: 14px;
  line-height: 1.78;
  color: var(--muted);
}

/* ---------- 联系支持 ---------- */
.page-faq .support-panel {
  display: grid;
  gap: var(--faq-gap);
  padding: clamp(18px, 3vw, 30px);
  border: 1px solid var(--line-soft);
  border-radius: var(--radius);
  background:
    radial-gradient(110% 100% at 0% 0%, rgba(53, 242, 214, 0.12), transparent 60%),
    linear-gradient(160deg, rgba(16, 42, 71, 0.9), rgba(6, 16, 31, 0.85));
}

.page-faq .support-panel__main h3 {
  margin: 0 0 12px;
  font-family: var(--ff-serif);
  font-weight: 700;
  font-size: clamp(19px, 2.4vw, 24px);
  line-height: 1.4;
}

.page-faq .support-panel__main p {
  margin: 0 0 20px;
  max-width: 56ch;
  font-size: 14px;
  line-height: 1.85;
  color: var(--muted);
}

.page-faq .support-list {
  margin: 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 1px;
  background: var(--line-soft);
  border: 1px solid var(--line-soft);
  border-radius: var(--radius-sm);
  overflow: hidden;
}

.page-faq .support-list li {
  display: flex;
  flex-direction: column;
  gap: 4px;
  padding: 13px 16px;
  background: rgba(6, 16, 31, 0.8);
}

.page-faq .support-list__label {
  font-family: var(--ff-mono);
  font-size: 10px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--muted);
}

.page-faq .support-list__value {
  font-size: 14px;
  line-height: 1.6;
  word-break: break-word;
  color: var(--text);
}

.page-faq .support-footnote {
  margin: 18px 0 0;
  font-size: 13px;
  line-height: 1.7;
  color: var(--muted);
}

/* ---------- 断点 ---------- */
@media (min-width: 640px) {
  .page-faq .topic-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

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

  .page-faq .app-card--accent {
    grid-column: 1 / -1;
  }

  .page-faq .legend-panel {
    grid-template-columns: minmax(0, 180px) minmax(0, 1fr);
    align-items: stretch;
  }

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

  .page-faq .support-list li {
    flex-direction: row;
    align-items: baseline;
    gap: 16px;
  }

  .page-faq .support-list__label {
    flex: 0 0 84px;
  }
}

@media (min-width: 760px) {
  .page-faq .rule-cards {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (min-width: 900px) {
  .page-faq .faq-hero__inner {
    grid-template-columns: minmax(0, 1.4fr) minmax(0, 0.82fr);
  }

  .page-faq .faq-hero__stats {
    align-self: end;
  }

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

  .page-faq .app-card--accent {
    grid-column: auto;
  }
}

@media (min-width: 980px) {
  .page-faq .faq-layout {
    display: grid;
    grid-template-columns: 196px minmax(0, 1fr);
    gap: clamp(24px, 4vw, 56px);
    align-items: start;
  }

  .page-faq .faq-index {
    position: sticky;
    top: 96px;
  }

  .page-faq .faq-index__list {
    flex-direction: column;
    flex-wrap: nowrap;
    gap: 0;
    border-left: 1px solid var(--line-soft);
  }

  .page-faq .faq-index__list a {
    border: 0;
    border-radius: 0;
    border-left: 2px solid transparent;
    margin-left: -1px;
    padding: 9px 0 9px 14px;
    font-size: 13.5px;
  }

  .page-faq .faq-index__list a:hover,
  .page-faq .faq-index__list a:focus-visible {
    border-left-color: var(--cyan);
    border-radius: 0;
  }

  .page-faq .faq-body > .faq-section:first-child {
    padding-top: 0;
  }
}

@media (min-width: 1100px) {
  .page-faq .scale-ticks {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .page-faq .support-panel {
    grid-template-columns: minmax(0, 1fr) minmax(0, 0.85fr);
    align-items: start;
  }
}

@media (max-width: 420px) {
  .page-faq .faq-hero__stats {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 8px;
  }

  .page-faq .stat {
    padding: 12px 10px;
  }

  .page-faq .stat__label {
    font-size: 11px;
  }

  .page-faq .qa summary {
    font-size: 14.5px;
    gap: 9px;
    padding: 13px 13px;
  }

  .page-faq .qa__a,
  .page-faq .rule-card__body {
    padding-left: 13px;
    padding-right: 13px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-faq *,
  .page-faq *::before,
  .page-faq *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
}
<<<END>>>