.page-faq {
  --faq-notch: polygon(6px 0, 100% 0, 100% calc(100% - 6px), calc(100% - 6px) 100%, 0 100%, 0 6px);
  --faq-cut: 14px;
  --faq-gap: clamp(20px, 4vw, 44px);
}

/* ---------- Hero ---------- */

.page-faq .faq-hero {
  position: relative;
  overflow: hidden;
  padding: clamp(24px, 5vw, 56px) 0 clamp(32px, 6vw, 76px);
  background:
    radial-gradient(120% 90% at 84% 6%, rgba(232, 199, 123, 0.14), transparent 58%),
    radial-gradient(80% 70% at 4% 96%, rgba(47, 191, 143, 0.12), transparent 62%),
    var(--ink-900);
}

.page-faq .faq-hero::before {
  content: "";
  position: absolute;
  top: -34%;
  right: -12%;
  width: min(58vw, 620px);
  height: min(58vw, 620px);
  background: linear-gradient(135deg, rgba(232, 199, 123, 0.10), rgba(192, 57, 43, 0.08) 55%, transparent 78%);
  transform: rotate(-12deg);
  border-radius: 50%;
  pointer-events: none;
}

.page-faq .faq-hero__grid {
  position: relative;
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: var(--faq-gap);
  align-items: center;
}

.page-faq .faq-hero__text .crumbs {
  margin-bottom: 18px;
}

.page-faq .faq-hero__eyebrow {
  margin: 0 0 14px;
  font-size: 12px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--champagne);
}

.page-faq .faq-hero h1 {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(28px, 6.4vw, 46px);
  line-height: 1.24;
  letter-spacing: 0.02em;
  color: var(--ivory);
}

.page-faq .faq-hero__lede {
  margin: 18px 0 0;
  max-width: 56ch;
  font-size: 15.5px;
  line-height: 1.8;
  color: var(--muted);
}

.page-faq .faq-hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 26px;
}

.page-faq .faq-hero__stats {
  list-style: none;
  display: flex;
  flex-wrap: wrap;
  gap: 10px 24px;
  margin: 28px 0 0;
  padding: 0;
}

.page-faq .faq-hero__stats li {
  font-size: 13px;
  color: var(--muted);
  letter-spacing: 0.02em;
}

.page-faq .faq-hero__stats .mono {
  margin-right: 6px;
  font-size: 16px;
  color: var(--champagne);
}

.page-faq .faq-hero__media {
  position: relative;
}

.page-faq .faq-hero__media::after {
  content: "";
  position: absolute;
  inset: auto -8% -10% auto;
  width: 46%;
  height: 42%;
  background: linear-gradient(135deg, rgba(47, 191, 143, 0.22), transparent 70%);
  transform: rotate(-12deg);
  pointer-events: none;
}

.page-faq .faq-hero__media img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 3 / 2;
  object-fit: cover;
}

/* ---------- 分类标签带 ---------- */

.page-faq .faq-nav {
  position: sticky;
  top: 0;
  z-index: 6;
  background: linear-gradient(180deg, rgba(14, 22, 48, 0.98), rgba(23, 32, 63, 0.94));
  border-top: 1px solid rgba(242, 237, 228, 0.08);
  border-bottom: 1px solid rgba(242, 237, 228, 0.12);
  backdrop-filter: blur(10px);
}

.page-faq .faq-band {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 10px 0;
}

.page-faq .faq-band__track {
  display: flex;
  gap: 8px;
  flex: 1 1 auto;
  min-width: 0;
  overflow-x: auto;
  scroll-snap-type: x proximity;
  scrollbar-width: none;
  -webkit-overflow-scrolling: touch;
  padding: 2px;
  mask-image: linear-gradient(90deg, #000 0, #000 calc(100% - 34px), transparent 100%);
  -webkit-mask-image: linear-gradient(90deg, #000 0, #000 calc(100% - 34px), transparent 100%);
}

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

.page-faq .faq-chip {
  flex: 0 0 auto;
  scroll-snap-align: start;
  display: inline-flex;
  align-items: center;
  gap: 7px;
  padding: 9px 15px;
  border: 1px solid rgba(242, 237, 228, 0.14);
  border-radius: 999px;
  background: rgba(42, 47, 62, 0.72);
  color: var(--ivory);
  font: inherit;
  font-size: 13px;
  line-height: 1;
  white-space: nowrap;
  cursor: pointer;
  transition: background 0.25s var(--ease), border-color 0.25s var(--ease), transform 0.25s var(--ease), color 0.25s var(--ease);
}

.page-faq .faq-chip .mono {
  font-size: 11px;
  color: var(--muted);
}

.page-faq .faq-chip:hover {
  border-color: rgba(232, 199, 123, 0.5);
  transform: translateY(-1px);
}

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

.page-faq .faq-chip[aria-pressed="true"],
.page-faq .faq-chip.is-active {
  background: var(--emerald);
  border-color: var(--emerald);
  color: var(--ink-900);
  font-weight: 600;
}

.page-faq .faq-chip[aria-pressed="true"] .mono,
.page-faq .faq-chip.is-active .mono {
  color: rgba(14, 22, 48, 0.66);
}

.page-faq .faq-band .band__nav {
  display: flex;
  flex: 0 0 auto;
  gap: 6px;
}

/* ---------- 问题列表 ---------- */

.page-faq .faq-body {
  padding: clamp(40px, 7vw, 84px) 0 clamp(44px, 7vw, 88px);
  background: var(--ink-900);
}

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

.page-faq .faq-list {
  display: grid;
  gap: 10px;
  margin-top: 28px;
  scroll-margin-top: 96px;
}

.page-faq .faq-item {
  position: relative;
  background: var(--slate-700);
  border: 1px solid rgba(242, 237, 228, 0.10);
  clip-path: var(--faq-notch);
  transition: border-color 0.3s var(--ease), background 0.3s var(--ease);
}

.page-faq .faq-item:hover {
  border-color: rgba(232, 199, 123, 0.34);
}

.page-faq .faq-item[open] {
  background: #303648;
  border-color: rgba(47, 191, 143, 0.55);
}

.page-faq .faq-item--hot::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0;
  bottom: 0;
  width: 3px;
  background: linear-gradient(180deg, var(--garnet), rgba(192, 57, 43, 0.25));
  pointer-events: none;
}

.page-faq .faq-item__summary {
  list-style: none;
  display: grid;
  grid-template-columns: auto minmax(0, 1fr) auto;
  align-items: center;
  gap: 12px;
  padding: 16px 18px;
  cursor: pointer;
  user-select: none;
  -webkit-user-select: none;
}

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

.page-faq .faq-item__summary:focus-visible {
  outline: 2px solid var(--champagne);
  outline-offset: -4px;
}

.page-faq .faq-item__index {
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--champagne);
}

.page-faq .faq-item__q {
  font-size: 15.5px;
  font-weight: 500;
  line-height: 1.55;
  color: var(--ivory);
}

.page-faq .faq-item__mark {
  position: relative;
  width: 18px;
  height: 18px;
  flex: 0 0 auto;
}

.page-faq .faq-item__mark::before,
.page-faq .faq-item__mark::after {
  content: "";
  position: absolute;
  left: 50%;
  top: 50%;
  width: 14px;
  height: 1.5px;
  background: var(--champagne);
  transform: translate(-50%, -50%);
  transition: transform 0.32s var(--ease), background 0.32s var(--ease);
}

.page-faq .faq-item__mark::after {
  transform: translate(-50%, -50%) rotate(90deg);
}

.page-faq .faq-item[open] .faq-item__mark::before {
  background: var(--emerald);
  transform: translate(-50%, -50%) rotate(45deg);
}

.page-faq .faq-item[open] .faq-item__mark::after {
  background: var(--emerald);
  transform: translate(-50%, -50%) rotate(-45deg);
}

.page-faq .faq-item__body {
  padding: 0 18px 18px;
  font-size: 14.5px;
  line-height: 1.8;
  color: var(--muted);
}

.page-faq .faq-item__body p {
  margin: 0 0 10px;
}

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

.page-faq .faq-item__body a,
.page-faq .faq-step p a {
  color: var(--emerald);
  text-decoration: underline;
  text-underline-offset: 3px;
}

.page-faq .faq-item__body a:hover,
.page-faq .faq-step p a:hover {
  color: var(--champagne);
}

.page-faq .faq-item__meta {
  margin-top: 12px;
  font-size: 11.5px;
  letter-spacing: 0.05em;
  color: var(--champagne);
}

/* ---------- 查找路径 ---------- */

.page-faq .faq-path {
  padding: clamp(44px, 8vw, 88px) 0;
  background: linear-gradient(180deg, var(--ink-800), var(--ink-900));
  border-top: 1px solid rgba(242, 237, 228, 0.08);
}

.page-faq .faq-path__grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(24px, 5vw, 48px);
  align-items: start;
}

.page-faq .faq-path__text h2,
.page-faq .faq-duo__col-title,
.page-faq .faq-help h2 {
  margin: 10px 0 0;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(22px, 4.4vw, 30px);
  line-height: 1.32;
  letter-spacing: 0.02em;
  color: var(--ivory);
}

.page-faq .faq-steps {
  list-style: none;
  margin: 28px 0 0;
  padding: 0;
  display: grid;
  gap: 22px;
}

.page-faq .faq-step {
  position: relative;
  padding-left: 40px;
}

.page-faq .faq-step::before {
  content: "";
  position: absolute;
  left: 9px;
  top: 24px;
  bottom: -22px;
  width: 1px;
  background: linear-gradient(180deg, rgba(232, 199, 123, 0.5), rgba(232, 199, 123, 0.05));
}

.page-faq .faq-step:last-child::before {
  display: none;
}

.page-faq .faq-step::after {
  content: "";
  position: absolute;
  left: 4px;
  top: 6px;
  width: 11px;
  height: 11px;
  background: var(--ink-900);
  border: 1.5px solid var(--champagne);
  transform: rotate(45deg);
}

.page-faq .faq-step__no {
  display: block;
  font-size: 11px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--champagne);
  margin-bottom: 5px;
}

.page-faq .faq-step h3 {
  margin: 0 0 6px;
  font-size: 16px;
  font-weight: 600;
  line-height: 1.5;
  color: var(--ivory);
}

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

.page-faq .faq-path__media {
  position: relative;
}

.page-faq .faq-path__media::after {
  content: "";
  position: absolute;
  inset: auto auto -8% -8%;
  width: 48%;
  height: 34%;
  background: linear-gradient(135deg, rgba(232, 199, 123, 0.18), transparent 72%);
  transform: rotate(-12deg);
  pointer-events: none;
}

.page-faq .faq-path__media img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 1 / 1;
  object-fit: cover;
}

/* ---------- 临时查信息清单 ---------- */

.page-faq .faq-brief {
  padding: clamp(44px, 8vw, 84px) 0;
  background: var(--ink-800);
  border-top: 1px solid rgba(242, 237, 228, 0.08);
}

.page-faq .faq-brief__list {
  list-style: none;
  margin: 30px 0 0;
  padding: 0;
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 14px;
}

.page-faq .faq-brief__item {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: 4px 14px;
  padding: 18px;
  background: rgba(14, 22, 48, 0.72);
  border: 1px solid rgba(242, 237, 228, 0.10);
  clip-path: var(--faq-notch);
}

.page-faq .faq-brief__no {
  grid-row: span 2;
  display: grid;
  place-items: center;
  width: 26px;
  height: 26px;
  font-size: 12px;
  color: var(--ink-900);
  background: var(--champagne);
  border-radius: 50%;
}

.page-faq .faq-brief__item h3 {
  margin: 0;
  font-size: 15px;
  font-weight: 600;
  line-height: 1.5;
  color: var(--ivory);
  align-self: center;
}

.page-faq .faq-brief__item p {
  margin: 0;
  font-size: 14px;
  line-height: 1.75;
  color: var(--muted);
}

/* ---------- 规则读法 + 显示问题 ---------- */

.page-faq .faq-duo {
  padding: clamp(44px, 8vw, 84px) 0;
  background: var(--ink-900);
}

.page-faq .faq-duo__grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 18px;
}

.page-faq .faq-duo__col {
  position: relative;
  padding: 26px 22px 24px;
  background: var(--ink-800);
  border: 1px solid rgba(242, 237, 228, 0.10);
  clip-path: var(--faq-notch);
}

.page-faq .faq-duo__col::before {
  content: "";
  position: absolute;
  inset: 0 0 auto 0;
  height: 3px;
}

.page-faq .faq-duo__col--rules::before {
  background: linear-gradient(90deg, var(--clay), rgba(181, 103, 74, 0.15));
}

.page-faq .faq-duo__col--display::before {
  background: linear-gradient(90deg, var(--moss), rgba(124, 140, 99, 0.15));
}

.page-faq .faq-duo__col-title {
  font-size: clamp(19px, 3.6vw, 24px);
  margin-bottom: 4px;
}

.page-faq .faq-duo__col--rules .btn {
  margin-top: 22px;
}

.page-faq .faq-rules {
  margin: 22px 0 0;
  display: grid;
  gap: 16px;
}

.page-faq .faq-rules__row + .faq-rules__row {
  padding-top: 16px;
  border-top: 1px solid rgba(242, 237, 228, 0.08);
}

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

.page-faq .faq-rules dd {
  margin: 6px 0 0;
  font-size: 14px;
  line-height: 1.78;
  color: var(--muted);
}

.page-faq .faq-fix {
  list-style: none;
  margin: 22px 0 0;
  padding: 0;
  display: grid;
  gap: 14px;
}

.page-faq .faq-fix li {
  position: relative;
  padding-left: 22px;
  font-size: 14px;
  line-height: 1.78;
  color: var(--muted);
}

.page-faq .faq-fix li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.6em;
  width: 8px;
  height: 8px;
  border: 1px solid var(--emerald);
  transform: rotate(45deg);
}

/* ---------- 联系 ---------- */

.page-faq .faq-help {
  padding: clamp(44px, 8vw, 88px) 0 clamp(48px, 8vw, 92px);
  background:
    radial-gradient(90% 120% at 12% 18%, rgba(47, 191, 143, 0.16), transparent 62%),
    linear-gradient(160deg, var(--ink-800), var(--ink-900));
  border-top: 1px solid rgba(242, 237, 228, 0.08);
}

.page-faq .faq-help__inner {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(22px, 4vw, 40px);
  align-items: start;
}

.page-faq .faq-help__text p {
  margin: 16px 0 0;
  font-size: 14.5px;
  line-height: 1.8;
  color: var(--muted);
  max-width: 56ch;
}

.page-faq .faq-help__links {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 26px;
}

.page-faq .faq-help__note {
  padding: 22px 20px;
  background: rgba(42, 47, 62, 0.72);
  border: 1px solid rgba(232, 199, 123, 0.24);
  clip-path: var(--faq-notch);
}

.page-faq .faq-help__note-label {
  margin: 0 0 14px;
  font-size: 11.5px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--champagne);
}

.page-faq .faq-help__note ul {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 11px;
}

.page-faq .faq-help__note li {
  position: relative;
  padding-left: 20px;
  font-size: 14px;
  line-height: 1.6;
  color: var(--ivory);
}

.page-faq .faq-help__note li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.5em;
  width: 9px;
  height: 1px;
  background: var(--emerald);
}

/* ---------- 响应式 ---------- */

@media (min-width: 760px) {
  .page-faq .faq-hero__grid {
    grid-template-columns: minmax(0, 1.06fr) minmax(0, 0.94fr);
  }

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

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

  .page-faq .faq-path__grid {
    grid-template-columns: minmax(0, 1fr) minmax(0, 0.82fr);
  }

  .page-faq .faq-help__inner {
    grid-template-columns: minmax(0, 1.25fr) minmax(0, 0.75fr);
  }

  .page-faq .faq-item__summary {
    padding: 18px 22px;
  }

  .page-faq .faq-item__body {
    padding: 0 22px 20px 56px;
  }

  .page-faq .faq-steps {
    gap: 26px;
  }
}

@media (min-width: 1080px) {
  .page-faq .faq-band__track {
    mask-image: none;
    -webkit-mask-image: none;
  }

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

  .page-faq .faq-brief__item {
    grid-template-columns: minmax(0, 1fr);
    grid-template-rows: auto auto auto;
  }

  .page-faq .faq-brief__no {
    grid-row: auto;
    margin-bottom: 12px;
  }
}

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