.page-faq {
  --faq-hair: rgba(242, 239, 228, 0.13);
  --faq-hair-soft: rgba(242, 239, 228, 0.07);
  --faq-body-text: rgba(221, 231, 227, 0.8);
  --faq-muted: rgba(221, 231, 227, 0.6);
  background: var(--ink);
  color: var(--cool);
  font-family: var(--font-body);
  overflow-x: clip;
}

/* ---------- 首屏 ---------- */
.page-faq .faq-hero {
  position: relative;
  background:
    radial-gradient(110% 85% at 92% 0%, rgba(53, 240, 208, 0.14), transparent 62%),
    radial-gradient(80% 70% at 10% 110%, rgba(183, 110, 79, 0.16), transparent 70%),
    linear-gradient(180deg, var(--moss) 0%, var(--ink) 82%);
  border-bottom: 1px solid var(--faq-hair);
}

.page-faq .faq-hero-grid {
  display: grid;
  gap: clamp(26px, 5vw, 48px);
  padding-block: clamp(26px, 5vw, 62px) clamp(32px, 6vw, 72px);
}

.page-faq .faq-hero-copy {
  min-width: 0;
}

.page-faq .breadcrumb-list {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  margin: 0 0 18px;
  padding: 0;
  list-style: none;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.08em;
  color: var(--faq-muted);
}

.page-faq .breadcrumb-list li + li::before {
  content: "/";
  margin-right: 8px;
  color: rgba(221, 231, 227, 0.32);
}

.page-faq .breadcrumb-list a {
  color: var(--cyan);
  text-decoration: none;
}

.page-faq .breadcrumb-list a:hover {
  text-decoration: underline;
}

.page-faq .faq-eyebrow {
  margin: 0 0 14px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.2em;
  color: var(--track);
}

.page-faq .faq-hero h1 {
  margin: 0;
  max-width: 20ch;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(2rem, 6.4vw, 3.5rem);
  line-height: 1.08;
  letter-spacing: -0.01em;
  color: var(--cream);
}

.page-faq .faq-lede {
  margin: 18px 0 0;
  max-width: 48ch;
  font-size: 15px;
  line-height: 1.9;
  color: var(--faq-body-text);
}

.page-faq .faq-search {
  margin-top: clamp(22px, 4vw, 34px);
  max-width: 520px;
}

.page-faq .faq-search-label {
  display: block;
  margin-bottom: 8px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.1em;
  color: var(--faq-muted);
}

.page-faq .faq-search-field {
  display: flex;
  align-items: center;
  gap: 12px;
  height: 50px;
  padding: 0 20px;
  border: 1px solid var(--edge);
  border-radius: var(--pill);
  background: rgba(8, 18, 15, 0.6);
  transition: border-color 0.24s var(--ease), box-shadow 0.24s var(--ease);
}

.page-faq .faq-search-field:focus-within {
  border-color: var(--cyan);
  box-shadow: 0 0 0 3px rgba(53, 240, 208, 0.14);
}

.page-faq .faq-search-icon {
  position: relative;
  flex: 0 0 auto;
  width: 11px;
  height: 11px;
  border: 2px solid var(--cyan);
  border-radius: 50%;
}

.page-faq .faq-search-icon::after {
  content: "";
  position: absolute;
  right: -4px;
  bottom: -5px;
  width: 2px;
  height: 7px;
  border-radius: 2px;
  background: var(--cyan);
  transform: rotate(-45deg);
}

.page-faq .faq-search-field input {
  flex: 1 1 auto;
  min-width: 0;
  border: 0;
  background: transparent;
  color: var(--cream);
  font-family: var(--font-body);
  font-size: 14px;
  outline: none;
}

.page-faq .faq-search-field input::placeholder {
  color: rgba(221, 231, 227, 0.4);
}

.page-faq .faq-jump {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: clamp(18px, 3vw, 28px) 0 0;
  padding: 0;
  list-style: none;
}

.page-faq .faq-jump-link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 14px;
  border: 1px solid var(--edge);
  border-radius: var(--pill);
  background: rgba(242, 239, 228, 0.04);
  color: var(--cool);
  font-size: 13px;
  line-height: 1.4;
  text-decoration: none;
  transition: transform 0.24s var(--ease), border-color 0.24s var(--ease),
    background 0.24s var(--ease), color 0.24s var(--ease);
}

.page-faq .faq-jump-link .num {
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.06em;
  color: var(--amber);
}

.page-faq .faq-jump-link:hover,
.page-faq .faq-jump-link:focus-visible {
  border-color: var(--cyan);
  background: rgba(53, 240, 208, 0.1);
  color: var(--cream);
  transform: translateY(-1px);
}

.page-faq .faq-hero-figure {
  margin: 0;
  min-width: 0;
  border: 1px solid var(--faq-hair);
  border-radius: 4px 26px 4px 4px;
  overflow: hidden;
  background: var(--press);
  box-shadow: var(--shadow-paper);
}

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

/* ---------- 问答分组 ---------- */
.page-faq .faq-groups {
  padding-top: clamp(36px, 6vw, 76px);
}

.page-faq .faq-group {
  padding-block: clamp(26px, 4.5vw, 50px);
  border-top: 1px solid var(--faq-hair);
  scroll-margin-top: 96px;
}

.page-faq .faq-group:first-child {
  border-top: 0;
  padding-top: 0;
}

.page-faq .faq-group-head {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 10px 14px;
  margin-bottom: clamp(14px, 2.4vw, 22px);
}

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

.page-faq .faq-group-title {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(1.22rem, 3.4vw, 1.6rem);
  line-height: 1.28;
  color: var(--cream);
}

.page-faq .faq-group-count {
  margin-left: auto;
  padding: 2px 10px;
  border: 1px solid rgba(246, 184, 74, 0.38);
  border-radius: var(--pill);
  font-family: var(--font-mono);
  font-size: 11px;
  white-space: nowrap;
  color: var(--amber);
}

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

.page-faq .faq-item {
  border-bottom: 1px solid var(--faq-hair-soft);
  padding-left: 0;
  transition: padding-left 0.28s var(--ease), border-color 0.28s var(--ease);
}

.page-faq .faq-item[open] {
  border-left: 2px solid var(--cyan);
  padding-left: 14px;
  border-bottom-color: var(--faq-hair);
}

.page-faq .faq-q {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  padding: 16px 0;
  list-style: none;
  cursor: pointer;
  font-size: 15px;
  font-weight: 500;
  line-height: 1.65;
  color: var(--cool);
  transition: color 0.2s var(--ease);
}

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

.page-faq .faq-q::marker {
  content: "";
}

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

.page-faq .faq-item[open] .faq-q {
  color: var(--cream);
}

.page-faq .faq-q-text {
  min-width: 0;
}

.page-faq .faq-q-mark {
  position: relative;
  flex: 0 0 auto;
  width: 12px;
  height: 12px;
  margin-top: 7px;
}

.page-faq .faq-q-mark::before,
.page-faq .faq-q-mark::after {
  content: "";
  position: absolute;
  border-radius: 1px;
  background: var(--cyan);
  transition: transform 0.26s var(--ease), opacity 0.26s var(--ease);
}

.page-faq .faq-q-mark::before {
  left: 0;
  top: 5px;
  width: 12px;
  height: 2px;
}

.page-faq .faq-q-mark::after {
  left: 5px;
  top: 0;
  width: 2px;
  height: 12px;
}

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

.page-faq .faq-a {
  padding: 0 0 20px 24px;
  font-size: 14.5px;
  line-height: 1.9;
  color: var(--faq-body-text);
}

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

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

.page-faq .faq-steps {
  margin: 0 0 12px;
  padding: 0;
  list-style: none;
  counter-reset: faqstep;
}

.page-faq .faq-steps li {
  position: relative;
  margin-bottom: 6px;
  padding-left: 28px;
  counter-increment: faqstep;
}

.page-faq .faq-steps li::before {
  content: counter(faqstep, decimal-leading-zero);
  position: absolute;
  left: 0;
  top: 0;
  font-family: var(--font-mono);
  font-size: 11px;
  line-height: 2;
  color: var(--amber);
}

.page-faq .faq-inline-figure {
  margin: 22px 0 0;
  border: 1px solid var(--faq-hair);
  border-radius: 3px;
  overflow: hidden;
  background: var(--press);
}

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

.page-faq .faq-inline-figure figcaption {
  padding: 12px 16px;
  border-top: 1px solid var(--faq-hair-soft);
  font-size: 12.5px;
  line-height: 1.7;
  color: var(--faq-muted);
  background: rgba(23, 53, 44, 0.42);
}

@media (min-width: 900px) {
  .page-faq .faq-hero-grid {
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
    align-items: end;
  }

  .page-faq .faq-group {
    display: grid;
    grid-template-columns: minmax(0, 3.2fr) minmax(0, 8.8fr);
    gap: clamp(24px, 4vw, 64px);
    align-items: start;
  }

  .page-faq .faq-group-head {
    flex-direction: column;
    align-items: flex-start;
    gap: 12px;
    margin-bottom: 0;
    position: sticky;
    top: 96px;
  }

  .page-faq .faq-group-count {
    margin-left: 0;
  }

  .page-faq .faq-q {
    padding: 18px 0;
    font-size: 15.5px;
  }
}

/* ---------- 底部支持 ---------- */
.page-faq .faq-help {
  margin-top: clamp(30px, 5vw, 56px);
  border-top: 1px solid var(--faq-hair);
  background:
    radial-gradient(90% 120% at 100% 0%, rgba(255, 122, 61, 0.16), transparent 62%),
    linear-gradient(180deg, rgba(23, 53, 44, 0.72), var(--ink) 90%);
}

.page-faq .faq-help-grid {
  display: grid;
  gap: clamp(24px, 4vw, 44px);
  padding-block: clamp(34px, 6vw, 72px);
}

.page-faq .faq-help-copy {
  min-width: 0;
}

.page-faq .faq-help-eyebrow {
  margin: 0 0 12px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.2em;
  color: var(--cyan);
}

.page-faq .faq-help-title {
  margin: 0;
  max-width: 22ch;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(1.5rem, 4vw, 2.1rem);
  line-height: 1.25;
  color: var(--cream);
}

.page-faq .faq-help-text {
  margin: 14px 0 0;
  max-width: 54ch;
  font-size: 14.5px;
  line-height: 1.9;
  color: var(--faq-body-text);
}

.page-faq .faq-help-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 22px;
}

.page-faq .faq-help-card {
  min-width: 0;
  padding: 22px 22px 24px;
  border: 1px solid var(--edge);
  border-left: 2px solid var(--track);
  border-radius: 3px;
  background: rgba(8, 18, 15, 0.55);
}

.page-faq .faq-help-card-key {
  margin: 0 0 4px;
  font-family: var(--font-mono);
  font-size: 10.5px;
  letter-spacing: 0.14em;
  color: var(--clay);
}

.page-faq .faq-help-card-value {
  margin: 0 0 16px;
  font-size: 14.5px;
  line-height: 1.5;
  color: var(--cream);
  word-break: break-word;
}

.page-faq .faq-help-card-value.num {
  font-family: var(--font-mono);
  letter-spacing: 0.02em;
  color: var(--amber);
}

.page-faq .faq-help-card-value:last-child {
  margin-bottom: 0;
}

@media (min-width: 900px) {
  .page-faq .faq-help-grid {
    grid-template-columns: minmax(0, 7fr) minmax(0, 4fr);
    align-items: start;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-faq .faq-jump-link,
  .page-faq .faq-item,
  .page-faq .faq-q-mark::before,
  .page-faq .faq-q-mark::after {
    transition: none;
  }

  .page-faq .faq-jump-link:hover,
  .page-faq .faq-jump-link:focus-visible {
    transform: none;
  }
}