.page-faq {
  --faq-gold: #E0A83E;
  --faq-blue: #1E2A4A;
  --faq-red: #C4443B;
  --faq-snow: #F7F6F2;
  --faq-mist: #E4E1DA;
  --faq-midnight: #111A2B;
  --faq-line: #B8B2A6;
  --faq-item-radius: 14px;
  --faq-gap: 20px;
  background: var(--faq-snow);
  color: var(--faq-blue);
  font-family: var(--font-body);
  min-height: 100vh;
  overflow-x: hidden;
}

.page-faq .container {
  width: min(92vw, 1240px);
  margin: 0 auto;
}

/* ========== Hero ========== */
.page-faq .faq-hero {
  padding: 2.4rem 0 2.2rem;
  border-bottom: 1px solid var(--faq-line);
  position: relative;
}

.page-faq .faq-hero::before {
  content: "";
  display: block;
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 3px;
  background: linear-gradient(90deg, var(--c-flag-red) 0 20%, var(--c-flag-yellow) 20% 40%, var(--c-flag-green) 40% 60%, var(--c-flag-blue) 60% 80%, var(--c-flag-red) 80% 100%);
}

.page-faq .breadcrumb {
  margin-bottom: 2rem;
  font-family: var(--font-head);
  font-size: 0.75rem;
  letter-spacing: 0.04em;
  color: var(--faq-midnight);
}

.page-faq .breadcrumb ol {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.5rem;
  list-style: none;
  margin: 0;
  padding: 0;
}

.page-faq .breadcrumb li + li::before {
  content: "›";
  margin-right: 0.5rem;
  color: var(--faq-gold);
  font-weight: 700;
}

.page-faq .breadcrumb a {
  color: var(--faq-blue);
  text-decoration: none;
  font-weight: 500;
}

.page-faq .breadcrumb a:hover {
  color: var(--faq-red);
}

.page-faq .faq-hero__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.75rem;
}

.page-faq .faq-hero__content {
  max-width: 54rem;
}

.page-faq .faq-hero__content .section-kicker {
  display: inline-block;
  font-family: var(--font-head);
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  color: var(--faq-red);
  text-transform: uppercase;
  border-left: 4px solid var(--faq-gold);
  padding-left: 0.75rem;
  margin: 0 0 1rem;
}

.page-faq .faq-hero h1 {
  font-family: var(--font-head);
  font-weight: 900;
  font-size: clamp(1.7rem, 4.5vw, 3.15rem);
  line-height: 1.2;
  letter-spacing: -0.02em;
  color: var(--faq-midnight);
  margin: 0 0 1.25rem;
}

.page-faq .faq-hero__lead {
  font-size: 0.95rem;
  line-height: 1.9;
  color: var(--faq-midnight);
  margin: 0 0 1.4rem;
  max-width: 45rem;
}

.page-faq .faq-hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  align-items: center;
}

.page-faq .btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  font-family: var(--font-head);
  font-size: 0.82rem;
  font-weight: 700;
  letter-spacing: 0.02em;
  padding: 0.65rem 1.1rem;
  border-radius: 999px;
  border: 1.5px solid transparent;
  cursor: pointer;
  text-decoration: none;
  transition: transform 0.25s var(--ease), box-shadow 0.25s var(--ease), background 0.25s var(--ease);
  white-space: nowrap;
}

.page-faq .btn:hover {
  transform: translateY(-2px);
}

.page-faq .btn--gold {
  background: var(--c-gold);
  color: var(--c-midnight);
  border-color: var(--c-gold);
}

.page-faq .btn--gold:hover {
  box-shadow: 0 8px 24px rgba(224, 168, 62, 0.35);
}

.page-faq .btn--ghost {
  background: transparent;
  color: var(--faq-blue);
  border-color: var(--faq-blue);
}

.page-faq .btn--red {
  background: var(--faq-red);
  color: #fff;
  border-color: var(--faq-red);
}

.page-faq .btn--red:hover {
  box-shadow: 0 8px 24px rgba(196, 68, 59, 0.3);
}

.page-faq .btn--sm {
  padding: 0.45rem 0.9rem;
  font-size: 0.78rem;
}

.page-faq .faq-hero__stats {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1px;
  background: var(--faq-line);
  border: 1px solid var(--faq-line);
  border-radius: var(--radius-md);
  overflow: hidden;
}

.page-faq .faq-hero__stat {
  background: var(--faq-snow);
  padding: 1.1rem 0.8rem;
  text-align: center;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  gap: 0.55rem;
  border-bottom: 3px solid transparent;
  transition: border-color 0.3s var(--ease), transform 0.25s var(--ease);
}

.page-faq .faq-hero__stat:hover {
  border-color: var(--faq-gold);
  transform: translateY(-2px);
}

.page-faq .faq-hero__stat .data-value {
  font-family: var(--font-data);
  font-size: 2rem;
  font-weight: 700;
  color: var(--faq-midnight);
  line-height: 1;
}

.page-faq .faq-hero__stat .data-label {
  font-family: var(--font-head);
  font-size: 0.68rem;
  font-weight: 600;
  letter-spacing: 0.06em;
  color: var(--faq-blue);
}

/* ========== 两栏布局 ========== */
.page-faq .faq-layout {
  display: grid;
  grid-template-columns: 1fr;
  gap: 2rem;
  padding: 2.5rem 0 4rem;
}

.page-faq .faq-index {
  position: relative;
  order: -1;
  background: var(--faq-midnight);
  border-radius: var(--radius-lg);
  padding: 1.4rem;
  align-self: start;
  border: 1px solid rgba(224, 168, 62, 0.25);
}

.page-faq .faq-index__title {
  font-family: var(--font-head);
  font-size: 0.8rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--faq-gold);
  margin: 0 0 1rem;
  padding-bottom: 0.6rem;
  border-bottom: 1px solid rgba(255, 255, 255, 0.16);
}

.page-faq .faq-index__list {
  list-style: none;
  margin: 0 0 1rem;
  padding: 0;
  display: grid;
  gap: 0.35rem;
}

.page-faq .faq-index__link {
  display: block;
  padding: 0.6rem 0.8rem;
  border-radius: 8px;
  font-family: var(--font-head);
  font-size: 0.88rem;
  font-weight: 600;
  letter-spacing: 0.02em;
  color: rgba(255, 255, 255, 0.75);
  text-decoration: none;
  border-left: 3px solid transparent;
  transition: background 0.25s var(--ease), color 0.25s var(--ease), border-color 0.25s var(--ease);
}

.page-faq .faq-index__link:hover {
  background: rgba(255, 255, 255, 0.06);
  color: var(--faq-gold);
  border-color: var(--faq-gold);
  transform: translateX(2px);
}

.page-faq .faq-index__link.is-active {
  background: rgba(224, 168, 62, 0.12);
  color: var(--faq-gold);
  border-color: var(--faq-gold);
}

.page-faq .faq-index__help {
  background: rgba(255, 255, 255, 0.06);
  border-radius: 10px;
  padding: 0.85rem 0.8rem;
  margin-top: 0.4rem;
}

.page-faq .faq-index__help-title {
  display: block;
  font-family: var(--font-head);
  font-size: 0.75rem;
  font-weight: 700;
  color: #fff;
  margin-bottom: 0.35rem;
}

.page-faq .faq-index__help-text {
  font-size: 0.75rem;
  line-height: 1.6;
  color: rgba(255, 255, 255, 0.65);
  margin: 0 0 0.65rem;
}

/* ========== 问答区 ========== */
.page-faq .faq-sections {
  display: grid;
  gap: 3rem;
}

.page-faq .faq-section {
  scroll-margin-top: 8rem;
  border-top: 1px solid var(--faq-line);
  padding-top: 1.6rem;
}

.page-faq .faq-section__head {
  display: flex;
  align-items: baseline;
  gap: 0.6rem;
  margin-bottom: 0.3rem;
}

.page-faq .faq-section__num {
  font-family: var(--font-data);
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--faq-gold);
  background: rgba(224, 168, 62, 0.12);
  border-radius: 4px;
  padding: 1px 6px;
}

.page-faq .faq-section h2 {
  font-family: var(--font-head);
  font-size: 1.5rem;
  font-weight: 800;
  letter-spacing: -0.01em;
  color: var(--faq-midnight);
  margin: 0;
}

.page-faq .faq-section__summary {
  font-size: 0.9rem;
  line-height: 1.8;
  color: var(--faq-blue);
  margin: 0 0 1.2rem;
  max-width: 42rem;
}

/* details 折叠项 */
.page-faq .faq-items {
  display: grid;
  gap: 0.6rem;
}

.page-faq .faq-item {
  background: #fff;
  border: 1px solid var(--faq-line);
  border-radius: var(--faq-item-radius);
  overflow: hidden;
  transition: border-color 0.3s var(--ease), box-shadow 0.3s var(--ease), transform 0.25s var(--ease);
}

.page-faq .faq-item:hover,
.page-faq .faq-item:focus-within {
  border-color: var(--faq-gold);
  box-shadow: 0 8px 24px rgba(17, 26, 43, 0.07);
  transform: translateY(-1px);
}

.page-faq .faq-item[open] {
  border-color: var(--faq-gold);
  box-shadow: 0 8px 24px rgba(17, 26, 43, 0.08);
}

.page-faq .faq-item summary {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 0.95rem 1.05rem;
  cursor: pointer;
  list-style: none;
  transition: background 0.25s var(--ease);
  user-select: none;
}

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

.page-faq .faq-item summary:hover {
  background: rgba(224, 168, 62, 0.07);
}

.page-faq .faq-item__q {
  font-family: var(--font-head);
  font-size: 0.92rem;
  font-weight: 700;
  color: var(--faq-midnight);
  line-height: 1.5;
  letter-spacing: 0.01em;
}

.page-faq .faq-item__icon {
  flex: 0 0 auto;
  width: 22px;
  height: 22px;
  position: relative;
  display: inline-block;
  border: 1.5px solid var(--faq-blue);
  border-radius: 50%;
  transition: transform 0.3s var(--ease), border-color 0.25s var(--ease), background 0.25s var(--ease);
}

.page-faq .faq-item__icon::before,
.page-faq .faq-item__icon::after {
  content: "";
  position: absolute;
  top: 9.5px;
  left: 5px;
  width: 9px;
  height: 1.8px;
  background: var(--faq-blue);
  border-radius: 2px;
  transition: background 0.25s var(--ease);
}

.page-faq .faq-item__icon::after {
  transform: rotate(90deg);
}

.page-faq .faq-item[open] .faq-item__icon {
  transform: rotate(180deg);
  border-color: var(--faq-gold);
  background: rgba(224, 168, 62, 0.1);
}

.page-faq .faq-item[open] .faq-item__icon::before,
.page-faq .faq-item[open] .faq-item__icon::after {
  background: var(--faq-gold);
}

.page-faq .faq-item[open] .faq-item__icon::after {
  transform: rotate(0deg);
}

.page-faq .faq-item__a {
  padding: 0.2rem 1.05rem 1.1rem 1.05rem;
  border-top: 1px dashed var(--faq-line);
  margin: 0 1.05rem 0;
}

.page-faq .faq-item__lead {
  font-family: var(--font-head);
  font-size: 0.86rem;
  font-weight: 600;
  color: var(--faq-red);
  line-height: 1.6;
  margin: 0.8rem 0 0.6rem;
  padding-left: 0.55rem;
  border-left: 3px solid var(--faq-gold);
}

.page-faq .faq-item__a p {
  font-size: 0.88rem;
  line-height: 1.9;
  color: var(--faq-midnight);
  margin: 0 0 0.6rem 0;
}

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

.page-faq .faq-item__a .btn {
  margin-top: 0.6rem;
}

/* 图 */
.page-faq .faq-image-block {
  margin-top: 1.3rem;
  border-radius: var(--radius-md);
  overflow: hidden;
  position: relative;
  background: var(--faq-mist);
  max-width: 56rem;
}

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

.page-faq .faq-image-block--compact {
  max-width: 28rem;
}

/* ========== 移动优先增强 & 响应式 ========== */
@media (min-width: 720px) {
  .page-faq .faq-hero {
    padding: 3.2rem 0 2.8rem;
  }

  .page-faq .faq-hero__grid {
    grid-template-columns: minmax(0, 1.35fr) minmax(0, 1fr);
    gap: 2.4rem;
    align-items: end;
  }

  .page-faq .faq-hero__lead {
    font-size: 1.05rem;
  }

  .page-faq .faq-layout {
    gap: 2.6rem;
  }

  .page-faq .faq-section h2 {
    font-size: 1.7rem;
  }

  .page-faq .faq-item summary {
    padding: 1.05rem 1.15rem;
  }

  .page-faq .faq-item__q {
    font-size: 1rem;
  }
}

@media (min-width: 900px) {
  .page-faq .faq-layout {
    grid-template-columns: 260px minmax(0, 1fr);
    align-items: start;
    padding-top: 3rem;
  }

  .page-faq .faq-index {
    order: 0;
    position: sticky;
    top: 7rem;
  }

  .page-faq .faq-index__link {
    font-size: 0.85rem;
  }

  .page-faq .faq-sections {
    gap: 3.5rem;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-faq * {
    transition: none !important;
    transform: none !important;
  }
}