.page-faq {
  --faq-pad-y: clamp(48px, 8vw, 96px);
  --faq-shadow-paper: 6px 6px 0 rgba(22, 50, 79, 0.9), 12px 12px 0 rgba(224, 169, 59, 0.26);
  background: var(--ys-night);
  color: var(--ys-text);
  font-family: var(--ys-font-display);
  overflow-x: clip;
}

.page-faq *,
.page-faq *::before,
.page-faq *::after {
  box-sizing: border-box;
}

.page-faq h1,
.page-faq h2,
.page-faq h3,
.page-faq p,
.page-faq ul,
.page-faq ol,
.page-faq figure {
  margin: 0;
}

.page-faq ul,
.page-faq ol {
  padding: 0;
  list-style: none;
}

.page-faq a {
  color: var(--ys-cyan);
}

.page-faq :focus-visible {
  outline: none;
  box-shadow: var(--ys-focus);
}

/* ---------- 首屏 ---------- */
.page-faq .faq-hero {
  position: relative;
  isolation: isolate;
  padding: calc(var(--ys-header-h) + clamp(44px, 8vw, 96px)) 0 clamp(52px, 8vw, 92px);
  background:
    radial-gradient(88% 74% at 98% 2%, rgba(30, 158, 90, 0.26), transparent 62%),
    radial-gradient(72% 84% at 2% 100%, rgba(124, 92, 224, 0.18), transparent 66%),
    linear-gradient(180deg, #0B1B2B 0%, #0E2135 100%);
}

.page-faq .faq-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: -1;
  background: linear-gradient(118deg, rgba(30, 158, 90, 0.16) 0%, rgba(30, 158, 90, 0) 44%);
  pointer-events: none;
}

.page-faq .faq-hero::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--ys-pitch) 0%, var(--ys-pitch-bright) 42%, var(--ys-cyan) 68%, rgba(55, 214, 201, 0) 100%);
}

.page-faq .faq-hero__inner {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(30px, 5vw, 56px);
  align-items: center;
}

.page-faq .faq-hero__eyebrow {
  margin-top: 18px;
}

.page-faq .faq-hero__title {
  margin-top: 14px;
  line-height: 1.02;
  letter-spacing: -0.02em;
  max-width: 15ch;
}

.page-faq .faq-hero__lede {
  margin-top: 22px;
  max-width: 46ch;
}

.page-faq .faq-hero__actions {
  margin-top: 30px;
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
}

.page-faq .faq-hero__figure {
  position: relative;
  border: 1px solid var(--ys-line);
  background: var(--ys-indigo-deep);
  box-shadow: var(--faq-shadow-paper);
}

/* ---------- 抽屉柜 ---------- */
.page-faq .faq-cabinet {
  padding: var(--faq-pad-y) 0;
  background: var(--ys-night);
}

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

.page-faq .faq-cabinet__lede {
  margin-top: 16px;
  color: var(--ys-text-dim);
}

.page-faq .faq-cabinet__grid {
  margin-top: clamp(30px, 5vw, 52px);
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(22px, 3vw, 36px);
  align-items: start;
}

.page-faq .faq-index {
  border: 1px solid var(--ys-line-soft);
  background: linear-gradient(180deg, rgba(22, 50, 79, 0.7), rgba(11, 27, 43, 0.7));
  padding: 18px 16px;
}

.page-faq .faq-index__label,
.page-faq .faq-catalog__label {
  font-family: var(--ys-font-mono);
  font-size: 12px;
  letter-spacing: 0.18em;
  color: var(--ys-gold);
  text-transform: uppercase;
}

.page-faq .faq-index__list {
  margin-top: 14px;
  display: grid;
  gap: 2px;
}

.page-faq .faq-index__link {
  display: flex;
  align-items: baseline;
  gap: 12px;
  padding: 11px 12px 11px 14px;
  border-left: 2px solid transparent;
  color: var(--ys-text-dim);
  font-size: 15px;
  text-decoration: none;
  transition: color var(--ys-ease), border-color var(--ys-ease), background-color var(--ys-ease);
}

.page-faq .faq-index__link:hover {
  color: var(--ys-text);
  border-left-color: var(--ys-gold);
  background: rgba(224, 169, 59, 0.09);
}

.page-faq .faq-index__no {
  font-family: var(--ys-font-mono);
  font-size: 12px;
  letter-spacing: 0.14em;
  color: var(--ys-gold);
}

.page-faq .faq-index__hint {
  margin-top: 16px;
  padding-top: 14px;
  border-top: 1px solid var(--ys-line-soft);
  font-size: 13px;
  line-height: 1.75;
  color: var(--ys-fog);
}

.page-faq .faq-drawers {
  display: grid;
  gap: 12px;
}

.page-faq .faq-group {
  border: 1px solid var(--ys-line);
  background: linear-gradient(180deg, rgba(22, 50, 79, 0.94), rgba(11, 27, 43, 0.94));
  box-shadow: var(--ys-shadow-panel);
  transition: border-color var(--ys-ease);
}

.page-faq .faq-group[open] {
  border-color: rgba(224, 169, 59, 0.72);
}

.page-faq .faq-group__head {
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 18px 20px;
  cursor: pointer;
  list-style: none;
}

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

.page-faq .faq-group__no {
  font-family: var(--ys-font-mono);
  font-size: 12px;
  letter-spacing: 0.18em;
  color: var(--ys-gold);
  flex: 0 0 auto;
}

.page-faq .faq-group__title {
  flex: 1 1 auto;
  font-size: clamp(18px, 2.4vw, 24px);
  font-weight: 600;
  letter-spacing: -0.01em;
  color: var(--ys-text);
}

.page-faq .faq-group__mark {
  flex: 0 0 auto;
  width: 24px;
  height: 24px;
  border: 1px solid var(--ys-line);
  display: grid;
  place-items: center;
}

.page-faq .faq-group__mark::before {
  content: "";
  width: 7px;
  height: 7px;
  border-right: 1.5px solid var(--ys-gold);
  border-bottom: 1.5px solid var(--ys-gold);
  transform: rotate(45deg) translate(-1px, -1px);
  transition: transform var(--ys-ease);
}

.page-faq .faq-group[open] .faq-group__mark::before {
  transform: rotate(-135deg) translate(-1px, -1px);
}

.page-faq .faq-group .ys-drawer__body {
  padding: 0 14px 16px;
}

.page-faq .faq-entry {
  border-top: 1px solid var(--ys-line-soft);
  background: rgba(11, 27, 43, 0.62);
}

.page-faq .faq-entry:first-child {
  border-top: none;
}

.page-faq .faq-entry__q {
  position: relative;
  display: flex;
  gap: 10px;
  align-items: baseline;
  padding: 14px 16px 14px 34px;
  font-size: 15px;
  line-height: 1.6;
  color: var(--ys-text);
  cursor: pointer;
  list-style: none;
  transition: background-color var(--ys-ease), color var(--ys-ease);
}

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

.page-faq .faq-entry__q::before {
  content: "§";
  position: absolute;
  left: 15px;
  top: 14px;
  font-family: var(--ys-font-mono);
  font-size: 12px;
  color: var(--ys-gold);
}

.page-faq .faq-entry__q:hover {
  background: rgba(55, 214, 201, 0.09);
  color: var(--ys-cyan);
}

.page-faq .faq-entry__a {
  padding: 0 18px 16px 34px;
  font-size: 15px;
  line-height: 1.8;
  color: var(--ys-text-dim);
}

.page-faq .faq-entry[open] .faq-entry__a {
  animation: faqDrawerOpen var(--ys-ease) both;
}

@keyframes faqDrawerOpen {
  from {
    opacity: 0;
    transform: translateY(-4px);
  }
  to {
    opacity: 1;
    transform: none;
  }
}

/* ---------- 数据读法 ---------- */
.page-faq .faq-read {
  padding: var(--faq-pad-y) 0;
  background: linear-gradient(180deg, #0E2135 0%, #16324F 58%, #0E2135 100%);
  border-top: 1px solid var(--ys-line-soft);
  border-bottom: 1px solid var(--ys-line-soft);
}

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

.page-faq .faq-read__lede {
  margin-top: 16px;
  color: var(--ys-text-dim);
}

.page-faq .faq-read__grid {
  margin-top: clamp(28px, 4vw, 48px);
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(24px, 4vw, 48px);
  align-items: start;
}

.page-faq .faq-marks {
  display: grid;
  gap: 14px;
}

.page-faq .faq-marks__item {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: 14px;
  padding: 16px 18px;
  border-left: 2px solid var(--ys-line);
  background: rgba(11, 27, 43, 0.58);
  transition: transform var(--ys-ease), border-color var(--ys-ease);
}

.page-faq .faq-marks__item:hover {
  transform: translateY(-2px);
  border-left-color: var(--ys-cyan);
}

.page-faq .faq-marks__ico {
  display: block;
  padding-top: 2px;
}

.page-faq .faq-marks__ico svg {
  display: block;
}

.page-faq .faq-marks__name {
  font-family: var(--ys-font-mono);
  font-size: 13px;
  letter-spacing: 0.12em;
  color: var(--ys-gold);
}

.page-faq .faq-marks__desc {
  margin-top: 8px;
  font-size: 15px;
  line-height: 1.8;
  color: var(--ys-text-dim);
}

.page-faq .faq-read__figure {
  border: 1px solid var(--ys-line);
  background: var(--ys-indigo-deep);
  box-shadow: var(--ys-shadow-lift);
}

/* ---------- 内容目录 ---------- */
.page-faq .faq-catalog {
  padding: var(--faq-pad-y) 0;
  background: var(--ys-night);
}

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

.page-faq .faq-catalog__lede {
  margin-top: 16px;
  color: var(--ys-text-dim);
}

.page-faq .faq-catalog__grid {
  margin-top: clamp(28px, 4vw, 48px);
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(24px, 4vw, 44px);
}

.page-faq .faq-catalog__block {
  padding: 22px 20px;
  border: 1px solid var(--ys-line-soft);
  background: linear-gradient(180deg, rgba(22, 50, 79, 0.55), rgba(11, 27, 43, 0.55));
}

.page-faq .faq-rounds {
  margin-top: 18px;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 8px;
}

.page-faq .faq-rounds__link {
  display: flex;
  align-items: baseline;
  gap: 10px;
  padding: 10px 12px;
  border: 1px solid var(--ys-line-soft);
  color: var(--ys-text);
  font-size: 14px;
  text-decoration: none;
  transition: border-color var(--ys-ease), background-color var(--ys-ease), color var(--ys-ease);
}

.page-faq .faq-rounds__link:hover {
  border-color: var(--ys-cyan);
  background: rgba(55, 214, 201, 0.1);
  color: var(--ys-cyan);
}

.page-faq .faq-rounds__link[aria-current="true"] {
  border-color: var(--ys-yellow);
  background: rgba(242, 194, 48, 0.14);
}

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

.page-faq .faq-rounds__txt {
  white-space: nowrap;
}

.page-faq .faq-cols {
  margin-top: 18px;
  display: grid;
  gap: 10px;
}

.page-faq .faq-cols__link {
  display: block;
  padding: 14px 16px;
  border-left: 2px solid var(--ys-line);
  background: rgba(11, 27, 43, 0.6);
  text-decoration: none;
  color: var(--ys-text);
  transition: border-color var(--ys-ease), background-color var(--ys-ease);
}

.page-faq .faq-cols__link:hover {
  border-left-color: var(--ys-gold);
  background: rgba(224, 169, 59, 0.1);
}

.page-faq .faq-cols__name {
  display: block;
  font-size: 16px;
  font-weight: 600;
}

.page-faq .faq-cols__desc {
  display: block;
  margin-top: 6px;
  font-size: 13px;
  line-height: 1.7;
  color: var(--ys-text-dim);
}

/* ---------- 常见问题 ---------- */
.page-faq .faq-common {
  padding: var(--faq-pad-y) 0;
  color: var(--ys-night);
}

.page-faq .faq-common__head {
  max-width: 56ch;
}

.page-faq .faq-common__grid {
  margin-top: clamp(26px, 4vw, 44px);
  display: grid;
  grid-template-columns: 1fr;
  gap: 16px;
}

.page-faq .faq-common__card {
  padding: 22px 20px;
  background: rgba(255, 255, 255, 0.62);
  border: 1px solid var(--ys-line-dark);
  border-top: 3px solid var(--ys-pitch);
  transition: transform var(--ys-ease), box-shadow var(--ys-ease);
}

.page-faq .faq-common__card:hover {
  transform: translateY(-4px);
  box-shadow: 0 18px 32px -22px rgba(11, 27, 43, 0.7);
}

.page-faq .faq-common__q {
  font-size: 17px;
  font-weight: 600;
  line-height: 1.5;
  color: var(--ys-night);
}

.page-faq .faq-common__a {
  margin-top: 12px;
  font-size: 15px;
  line-height: 1.8;
  color: #2C4258;
}

/* ---------- 人工通道 ---------- */
.page-faq .faq-help {
  padding: var(--faq-pad-y) 0;
  background:
    radial-gradient(70% 90% at 100% 0%, rgba(224, 169, 59, 0.14), transparent 62%),
    var(--ys-night);
  border-top: 1px solid var(--ys-line-soft);
}

.page-faq .faq-help__inner {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(26px, 4vw, 48px);
  align-items: start;
}

.page-faq .faq-help__list {
  margin-top: 22px;
  display: grid;
  gap: 10px;
}

.page-faq .faq-help__list li {
  position: relative;
  padding-left: 20px;
  font-size: 15px;
  line-height: 1.8;
  color: var(--ys-text-dim);
}

.page-faq .faq-help__list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 10px;
  width: 8px;
  height: 8px;
  border: 1px solid var(--ys-gold);
  transform: rotate(45deg);
}

.page-faq .faq-help__copy .ys-note {
  margin-top: 22px;
}

.page-faq .faq-help__card {
  padding: 26px 22px;
  border: 1px solid var(--ys-line);
  background: linear-gradient(180deg, rgba(22, 50, 79, 0.94), rgba(11, 27, 43, 0.94));
  box-shadow: var(--faq-shadow-paper);
}

.page-faq .faq-help__key {
  font-family: var(--ys-font-mono);
  font-size: 12px;
  letter-spacing: 0.18em;
  color: var(--ys-gold);
}

.page-faq .faq-help__mail {
  display: block;
  margin-top: 14px;
  font-family: var(--ys-font-mono);
  font-size: clamp(15px, 2.4vw, 19px);
  font-weight: 700;
  word-break: break-all;
  color: var(--ys-cyan);
  text-decoration: none;
  border-bottom: 1px solid rgba(55, 214, 201, 0.4);
  padding-bottom: 4px;
}

.page-faq .faq-help__mail:hover {
  color: var(--ys-pitch-bright);
  border-bottom-color: var(--ys-pitch-bright);
}

.page-faq .faq-help__time {
  margin-top: 14px;
  font-size: 14px;
  color: var(--ys-text-dim);
}

.page-faq .faq-help__card .ys-btn {
  margin-top: 22px;
}

/* ---------- 响应式 ---------- */
@media (min-width: 640px) {
  .page-faq .faq-rounds {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .page-faq .faq-common__grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 20px;
  }
}

@media (min-width: 900px) {
  .page-faq .faq-hero__inner {
    grid-template-columns: minmax(0, 1.08fr) minmax(0, 0.92fr);
  }

  .page-faq .faq-hero__figure {
    transform: rotate(-1.4deg);
  }

  .page-faq .faq-cabinet__grid {
    grid-template-columns: 240px minmax(0, 1fr);
    gap: clamp(24px, 3.4vw, 44px);
  }

  .page-faq .faq-index {
    position: sticky;
    top: calc(var(--ys-header-h) + 24px);
  }

  .page-faq .faq-read__grid {
    grid-template-columns: minmax(0, 1fr) minmax(0, 0.82fr);
    gap: clamp(28px, 4vw, 52px);
  }

  .page-faq .faq-catalog__grid {
    grid-template-columns: minmax(0, 1.15fr) minmax(0, 0.85fr);
  }

  .page-faq .faq-rounds {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }

  .page-faq .faq-help__inner {
    grid-template-columns: minmax(0, 1fr) minmax(0, 0.78fr);
  }
}

@media (min-width: 1120px) {
  .page-faq .faq-common__grid {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }

  .page-faq .faq-common__card {
    padding: 26px 22px;
  }
}

@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;
  }

  .page-faq .faq-hero__figure {
    transform: none;
  }
}