.page-faq {
  --faq-gap: clamp(28px, 4vw, 56px);
  --faq-radius: var(--radius-md);
  color: var(--paper);
  background:
    radial-gradient(120% 60% at 82% -10%, rgba(216, 169, 74, 0.10), transparent 62%),
    radial-gradient(90% 50% at 6% 4%, rgba(14, 59, 58, 0.55), transparent 58%),
    var(--ink);
  overflow-x: hidden;
}

.page-faq img {
  max-width: 100%;
  height: auto;
}

.page-faq .page-faq__crumb {
  padding-top: 22px;
}

.page-faq .faq-hero {
  padding-top: clamp(22px, 3.4vw, 40px);
  padding-bottom: clamp(30px, 4.4vw, 58px);
  border-bottom: 1px solid var(--line-soft);
}

.page-faq .faq-hero h1 {
  margin: 14px 0 0;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(2.1rem, 5.2vw, 4.2rem);
  line-height: 1.14;
  letter-spacing: -0.02em;
  max-width: 16ch;
}

.page-faq .faq-hero .lede {
  margin: 20px 0 0;
  max-width: 62ch;
  font-size: clamp(0.98rem, 1.3vw, 1.06rem);
  line-height: 1.88;
  color: var(--paper-86);
}

.page-faq .faq-hero__meta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 12px;
  margin-top: 26px;
}

.page-faq .faq-hero__chip {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 16px;
  border-radius: var(--radius-pill);
  border: 1px solid rgba(62, 224, 208, 0.4);
  background: rgba(62, 224, 208, 0.06);
  color: var(--cyan);
  font-size: 13px;
  letter-spacing: 0.03em;
  font-variant-numeric: tabular-nums;
}

.page-faq .faq-hero__link {
  color: var(--gold-soft);
  font-size: 14px;
  text-decoration: underline;
  text-underline-offset: 4px;
  text-decoration-thickness: 1px;
}

.page-faq .faq-hero__link:hover,
.page-faq .faq-hero__link:focus-visible {
  color: var(--paper);
}

.page-faq .faq-body {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--faq-gap);
  padding-top: clamp(32px, 4.6vw, 60px);
  padding-bottom: clamp(56px, 8vw, 100px);
}

/* 左侧分类索引 */
.page-faq .faq-side {
  border-bottom: 1px solid var(--line-soft);
  padding-bottom: 20px;
}

.page-faq .faq-side__title {
  margin: 0;
  font-size: 11.5px;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--muted);
}

.page-faq .faq-side__list {
  list-style: none;
  margin: 16px 0 0;
  padding: 0;
  display: flex;
  flex-direction: row;
  gap: 8px;
  overflow-x: auto;
  scrollbar-width: none;
}

.page-faq .faq-side__list::-webkit-scrollbar {
  display: none;
}

.page-faq .faq-side__list li {
  flex: 0 0 auto;
}

.page-faq .faq-side__list a {
  display: inline-flex;
  align-items: baseline;
  gap: 8px;
  padding: 8px 14px;
  border: 1px solid var(--line);
  border-radius: var(--radius-pill);
  color: var(--paper-78);
  font-size: 14px;
  white-space: nowrap;
  transition: color 0.2s var(--ease), border-color 0.2s var(--ease), background 0.2s var(--ease);
}

.page-faq .faq-side__list a:hover,
.page-faq .faq-side__list a:focus-visible {
  color: var(--gold-soft);
  border-color: var(--gold);
  background: rgba(216, 169, 74, 0.07);
}

.page-faq .faq-side__num {
  font-family: var(--font-display);
  font-size: 11.5px;
  font-weight: 700;
  color: var(--gold);
  font-variant-numeric: tabular-nums;
}

.page-faq .faq-side__note {
  margin: 16px 0 0;
  font-size: 12.5px;
  line-height: 1.7;
  color: var(--muted);
}

/* 筛选条 */
.page-faq .faq-filter {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  margin-bottom: clamp(20px, 3vw, 30px);
}

.page-faq .faq-filter__label {
  margin-right: 4px;
  font-size: 11.5px;
  letter-spacing: 0.16em;
  color: var(--muted);
}

.page-faq .faq-filter .filter-chip {
  padding: 8px 16px;
  border: 1px solid var(--line);
  border-radius: var(--radius-pill);
  background: transparent;
  color: var(--paper-78);
  font-family: inherit;
  font-size: 13.5px;
  cursor: pointer;
  transition: color 0.18s var(--ease), border-color 0.18s var(--ease), background 0.18s var(--ease);
}

.page-faq .faq-filter .filter-chip:hover {
  color: var(--paper);
  border-color: var(--gold);
}

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

.page-faq .faq-filter .filter-chip[aria-pressed="true"] {
  background: var(--gold);
  border-color: var(--gold);
  color: var(--ink);
  font-weight: 600;
}

/* 分组 */
.page-faq .qa-group + .qa-group {
  margin-top: clamp(24px, 3.6vw, 40px);
  padding-top: clamp(24px, 3.6vw, 40px);
  border-top: 1px solid var(--line-soft);
}

.page-faq .qa-group__head {
  display: flex;
  align-items: baseline;
  gap: 14px;
  flex-wrap: wrap;
}

.page-faq .qa-group__num {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(1.5rem, 2.2vw, 2rem);
  line-height: 1;
  color: var(--gold);
  font-variant-numeric: tabular-nums;
}

.page-faq .qa-group h2 {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(1.32rem, 2.4vw, 1.86rem);
  line-height: 1.34;
  letter-spacing: -0.01em;
}

.page-faq .qa-group__intro {
  margin: 14px 0 0;
  max-width: 62ch;
  font-size: 15.5px;
  line-height: 1.86;
  color: var(--paper-78);
}

.page-faq .qa-group--service .qa-group__intro {
  max-width: 58ch;
}

/* 图片 */
.page-faq .qa-figure {
  margin: 24px 0 0;
}

/* 规则展签 */
.page-faq .rule-tags {
  list-style: none;
  margin: 18px 0 3px;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.page-faq .rule-tags li {
  padding: 6px 14px;
  border: 1px solid var(--line);
  border-radius: var(--radius-pill);
  background: rgba(14, 59, 58, 0.42);
  color: var(--paper-86);
  font-size: 13px;
}

.page-faq .rule-tags li:nth-child(-n + 3) {
  border-color: rgba(62, 224, 208, 0.42);
  background: rgba(62, 224, 208, 0.07);
  color: var(--cyan);
}

/* 月份刻度 */
.page-faq .month-scale {
  margin: 20px 0 4px;
  padding: 18px 20px 16px;
  border: 1px solid var(--line);
  border-radius: var(--faq-radius);
  background: linear-gradient(180deg, rgba(14, 59, 58, 0.42), rgba(20, 24, 29, 0.92));
}

.page-faq .month-scale__label {
  margin: 0 0 14px;
  font-size: 11.5px;
  letter-spacing: 0.16em;
  color: var(--gold-soft);
}

.page-faq .month-scale__bar {
  display: grid;
  grid-template-columns: repeat(12, 1fr);
  gap: 5px;
  align-items: end;
  height: 46px;
  padding-bottom: 6px;
  border-bottom: 1px solid var(--line);
}

.page-faq .month-scale__bar span {
  display: block;
  height: 38%;
  border-radius: 3px 3px 0 0;
  background: rgba(216, 169, 74, 0.2);
}

.page-faq .month-scale__bar span:nth-child(n + 4) {
  height: 54%;
  background: rgba(216, 169, 74, 0.3);
}

.page-faq .month-scale__bar span:nth-child(n + 7) {
  height: 70%;
  background: rgba(216, 169, 74, 0.44);
}

.page-faq .month-scale__bar span:nth-child(n + 10) {
  height: 88%;
  background: rgba(216, 169, 74, 0.66);
}

.page-faq .month-scale__bar span:nth-child(12) {
  height: 100%;
  background: var(--gold-soft);
}

.page-faq .month-scale__hint {
  margin: 12px 0 0;
  font-size: 12.5px;
  line-height: 1.6;
  color: var(--muted);
}

/* 服务卡片 */
.page-faq .service-card {
  margin: 24px 0 4px;
  padding: clamp(18px, 2.6vw, 24px);
  display: grid;
  gap: 14px;
  justify-items: start;
  border-radius: var(--radius-lg);
  border: 1px solid rgba(62, 224, 208, 0.28);
  background: linear-gradient(135deg, rgba(14, 59, 58, 0.78), rgba(11, 13, 16, 0.94));
  box-shadow: var(--shadow-lift);
}

.page-faq .service-card__time {
  display: inline-flex;
  align-items: center;
  gap: 10px;
}

.page-faq .service-card__dot {
  width: 9px;
  height: 9px;
  border-radius: 50%;
  background: var(--cyan);
  box-shadow: 0 0 0 4px rgba(62, 224, 208, 0.16);
  animation: faq-pulse 2.8s ease-in-out infinite;
}

@keyframes faq-pulse {
  0%,
  100% {
    box-shadow: 0 0 0 4px rgba(62, 224, 208, 0.16);
  }
  50% {
    box-shadow: 0 0 0 9px rgba(62, 224, 208, 0.05);
  }
}

.page-faq .service-card__clock {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.02rem;
  letter-spacing: 0.02em;
  color: var(--cyan);
  font-variant-numeric: tabular-nums;
}

.page-faq .service-card__text {
  margin: 0;
  max-width: 58ch;
  font-size: 14.5px;
  line-height: 1.86;
  color: var(--paper-78);
}

.page-faq .service-card__text .copy-btn {
  margin-left: 8px;
}

/* 折叠问答 */
.page-faq .qa-item {
  margin-top: 12px;
  overflow: hidden;
  border: 1px solid var(--line-soft);
  border-radius: var(--faq-radius);
  background: var(--ink-2);
  transition: border-color 0.2s var(--ease), background 0.2s var(--ease);
}

.page-faq .qa-item[open] {
  border-color: var(--line);
  background: linear-gradient(180deg, rgba(35, 41, 50, 0.9), rgba(20, 24, 29, 0.94));
}

.page-faq .qa-item summary {
  display: grid;
  grid-template-columns: auto 1fr auto;
  align-items: baseline;
  gap: 10px;
  padding: 16px 20px;
  list-style: none;
  cursor: pointer;
  font-size: 15.5px;
  font-weight: 500;
  line-height: 1.62;
  color: var(--paper);
  transition: color 0.18s var(--ease);
}

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

.page-faq .qa-item summary::before {
  content: "Q";
  font-family: var(--font-display);
  font-size: 12.5px;
  font-weight: 700;
  color: var(--gold);
  line-height: 1.9;
}

.page-faq .qa-item summary::after {
  content: "+";
  font-size: 19px;
  line-height: 1;
  color: var(--gold);
  transition: color 0.18s var(--ease);
}

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

.page-faq .qa-item summary:hover {
  color: var(--gold-soft);
}

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

.page-faq .qa-item__body {
  padding: 0 20px 18px 20px;
  font-size: 15px;
  line-height: 1.82;
  color: var(--paper-78);
}

.page-faq .qa-item__body p {
  margin: 0;
  max-width: 62ch;
}

.page-faq .qa-item__body a {
  color: var(--cyan);
  text-decoration: underline;
  text-underline-offset: 3px;
  text-decoration-thickness: 1px;
}

.page-faq .qa-item__body a:hover {
  color: var(--gold-soft);
}

/* 桌面端 */
@media (min-width: 960px) {
  .page-faq .faq-body {
    grid-template-columns: 208px minmax(0, 1fr);
    gap: clamp(32px, 5vw, 76px);
  }

  .page-faq .faq-side {
    position: sticky;
    top: calc(var(--header-h) + 26px);
    align-self: start;
    border-bottom: 0;
    padding-bottom: 0;
    border-right: 1px solid var(--line-soft);
    padding-right: 22px;
  }

  .page-faq .faq-side__list {
    flex-direction: column;
    gap: 2px;
    overflow: visible;
  }

  .page-faq .faq-side__list a {
    display: flex;
    padding: 10px 0;
    border: 0;
    border-bottom: 1px solid transparent;
    border-radius: 0;
  }

  .page-faq .faq-side__list a:hover,
  .page-faq .faq-side__list a:focus-visible {
    border-bottom-color: var(--line);
    background: transparent;
  }
}

/* 窄屏微调 */
@media (max-width: 620px) {
  .page-faq .faq-hero {
    padding-bottom: 28px;
  }

  .page-faq .faq-hero__meta {
    gap: 10px;
  }

  .page-faq .faq-filter .filter-chip {
    padding: 7px 13px;
    font-size: 13px;
  }

  .page-faq .qa-group__head {
    gap: 10px;
  }

  .page-faq .qa-item summary {
    padding: 14px 16px;
    font-size: 15px;
  }

  .page-faq .qa-item__body {
    padding: 0 16px 16px;
  }

  .page-faq .month-scale {
    padding: 16px 16px 14px;
  }

  .page-faq .month-scale__bar {
    gap: 3px;
    height: 38px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-faq .service-card__dot {
    animation: none;
  }

  .page-faq .qa-item,
  .page-faq .qa-item summary,
  .page-faq .faq-side__list a,
  .page-faq .faq-filter .filter-chip {
    transition: none;
  }
}