.page-faq {
  --faq-gap: 16px;
  --faq-index-w: 200px;
  --faq-tips-w: 260px;

  background:
    radial-gradient(circle at 90% 12%, rgba(201, 164, 77, 0.10), transparent 40%),
    var(--navy-deepest);
  min-height: 70vh;
}

.faq-container {
  max-width: calc(var(--content-max) - 40px);
  margin: 0 auto;
  padding: 28px 20px 64px;
}

/* ===== Hero ===== */
.faq-hero {
  padding: 30px 0 28px;
  border-bottom: 1px solid rgba(201, 164, 77, 0.30);
  margin-bottom: 30px;
  position: relative;
}
.faq-hero::before {
  content: "";
  position: absolute;
  right: 0;
  top: 0;
  width: 110px;
  height: 3px;
  background: linear-gradient(90deg, transparent, var(--gold));
}
.faq-hero .breadcrumbs {
  margin: 0 0 20px;
  font-size: 0.85rem;
}
.faq-hero .breadcrumbs a {
  color: var(--mist);
  text-decoration: none;
}
.faq-hero .breadcrumbs a:hover {
  color: var(--gold-light);
}
.faq-hero .breadcrumbs-sep {
  color: var(--gold);
  opacity: 0.6;
  margin: 0 8px;
}
.faq-hero .breadcrumbs [aria-current="page"] {
  color: var(--gold-light);
}
.faq-hero .section-tag {
  color: var(--gold-light);
  margin-bottom: 10px;
}
.faq-hero h1 {
  font-family: var(--font-serif);
  font-size: clamp(1.9rem, 4.6vw, 3rem);
  line-height: 1.25;
  color: var(--pearl);
  margin: 0 0 14px;
}
.faq-hero-lead {
  color: var(--mist);
  font-size: 1rem;
  line-height: 1.8;
  max-width: 720px;
  margin: 0;
}

/* ===== 三栏结构说明 ===== */
.faq-structure {
  margin-bottom: 32px;
}
.faq-structure-head {
  margin-bottom: 18px;
}
.faq-structure-head .section-tag {
  color: var(--gold-light);
  margin-bottom: 8px;
}
.faq-structure h2 {
  font-family: var(--font-serif);
  font-size: 1.6rem;
  color: var(--pearl);
  margin: 0 0 8px;
}
.faq-structure-desc {
  color: var(--mist);
  margin: 0;
  font-size: 0.95rem;
  max-width: 640px;
  line-height: 1.7;
}
.faq-structure-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 12px;
}
.faq-structure-col {
  padding: 18px 16px;
  position: relative;
}
.faq-structure-col.col-index {
  background: var(--navy-ink);
  color: var(--pearl);
  border-left: 3px solid var(--gold);
}
.faq-structure-col.col-faq {
  background: var(--cream);
  color: var(--navy-deepest);
}
.faq-structure-col.col-tips {
  background: var(--navy-deepest);
  color: var(--pearl);
  border: 1px solid var(--gold);
}
.faq-structure-num {
  display: block;
  font-family: var(--font-serif);
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--gold);
  margin-bottom: 6px;
}
.faq-structure-col.col-faq .faq-structure-num {
  color: var(--bronze);
}
.faq-structure-col h3 {
  font-family: var(--font-serif);
  font-size: 1.05rem;
  margin: 0 0 6px;
  font-weight: 700;
}
.faq-structure-col p {
  margin: 0;
  font-size: 0.88rem;
  line-height: 1.6;
}
.faq-structure-col.col-index p,
.faq-structure-col.col-tips p {
  color: rgba(242, 238, 220, 0.85);
}
.faq-structure-col.col-faq p {
  color: rgba(13, 36, 54, 0.85);
}

/* ===== 三栏布局 ===== */
.faq-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: var(--faq-gap);
  align-items: start;
}

/* 第一栏：栏目索引 */
.faq-index {
  background: var(--navy-ink);
  padding: 22px 18px;
  border-left: 3px solid var(--gold);
}
.faq-index h2 {
  font-family: var(--font-serif);
  font-size: 1.15rem;
  color: var(--gold-light);
  margin: 0 0 14px;
}
.faq-index-list {
  list-style: none;
  padding: 0;
  margin: 0 0 14px;
  display: flex;
  gap: 8px;
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
  scrollbar-width: none;
}
.faq-index-list::-webkit-scrollbar {
  display: none;
}
.faq-index-list li {
  flex: 0 0 auto;
}
.faq-index-list a {
  display: inline-block;
  padding: 6px 14px;
  font-size: 0.9rem;
  color: var(--pearl);
  text-decoration: none;
  white-space: nowrap;
  border: 1px solid rgba(201, 164, 77, 0.45);
  border-radius: 999px;
  transition: background-color 0.2s, color 0.2s;
}
.faq-index-list a:hover {
  background-color: rgba(201, 164, 77, 0.16);
  color: var(--gold-light);
}
.faq-index-note {
  margin: 0;
  padding-top: 12px;
  border-top: 1px solid rgba(168, 176, 184, 0.22);
  font-size: 0.85rem;
  color: var(--mist);
  line-height: 1.65;
}

/* 第二栏：常见问题 */
.faq-main {
  background: var(--cream);
  color: var(--navy-deepest);
  padding: 28px 20px;
  position: relative;
}
.faq-main::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 72px;
  height: 4px;
  background: var(--gold);
}
.faq-figure {
  margin: 0 auto 24px;
  max-width: 420px;
}
.faq-figure img {
  width: 100%;
  max-width: 100%;
  height: auto;
  object-fit: cover;
  border: 1px solid rgba(13, 36, 54, 0.14);
}
.faq-main .section-tag {
  color: var(--bronze);
  margin-bottom: 8px;
}
.faq-main h2 {
  font-family: var(--font-serif);
  font-size: 1.6rem;
  margin: 0 0 10px;
  color: var(--navy-deepest);
}
.faq-main-lead {
  margin: 0 0 22px;
  font-size: 0.95rem;
  line-height: 1.7;
  color: rgba(13, 36, 54, 0.8);
}
.faq-main a {
  color: var(--bronze);
  text-decoration: underline;
  text-underline-offset: 3px;
}
.faq-accordion {
  border-top: 1px solid rgba(13, 36, 54, 0.15);
}
.faq-item {
  border-bottom: 1px solid rgba(13, 36, 54, 0.15);
}
.faq-item summary {
  cursor: pointer;
  list-style: none;
  padding: 16px 46px 16px 0;
  position: relative;
  font-family: var(--font-serif);
  font-weight: 700;
  font-size: 1rem;
  color: var(--navy-deepest);
  transition: color 0.2s;
}
.faq-item summary::-webkit-details-marker {
  display: none;
}
.faq-item summary:hover {
  color: var(--bronze);
}
.faq-item[open] summary {
  color: var(--bronze);
}
.faq-item summary::after {
  content: "+";
  position: absolute;
  right: 6px;
  top: 50%;
  transform: translateY(-50%);
  width: 28px;
  height: 28px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border: 1px solid var(--bronze);
  color: var(--bronze);
  border-radius: 50%;
  font-size: 1.1rem;
  font-weight: 400;
  transition: transform 0.2s, background-color 0.2s;
}
.faq-item[open] summary::after {
  transform: translateY(-50%) rotate(45deg);
  background-color: var(--bronze);
  color: var(--cream);
}
.faq-answer {
  padding: 0 0 18px;
  line-height: 1.8;
  font-size: 0.95rem;
  color: rgba(13, 36, 54, 0.82);
}
.faq-answer p {
  margin: 0 0 8px;
}
.faq-answer p:last-child {
  margin-bottom: 0;
}

/* 第三栏：临时查信息技巧 */
.faq-tips {
  background: var(--navy-deepest);
  border: 1px solid var(--gold);
  padding: 26px 20px;
  color: var(--pearl);
  display: grid;
  grid-template-columns: 1fr;
  gap: 16px;
  position: relative;
  overflow: hidden;
}
.faq-tips::before {
  content: "";
  position: absolute;
  top: 14px;
  right: -20px;
  width: 90px;
  height: 1px;
  background: var(--gold);
  transform: rotate(45deg);
  opacity: 0.55;
}
.faq-tips-header .section-tag {
  color: var(--gold);
  margin-bottom: 8px;
}
.faq-tips h2 {
  font-family: var(--font-serif);
  font-size: 1.45rem;
  color: var(--gold-light);
  margin: 0 0 8px;
}
.faq-tips-lead {
  margin: 0;
  color: var(--mist);
  font-size: 0.92rem;
  line-height: 1.6;
}
.faq-tips-steps {
  list-style: none;
  padding: 0;
  margin: 0;
}
.faq-tips-steps li {
  position: relative;
  padding-left: 46px;
  min-height: 36px;
  margin-bottom: 16px;
}
.faq-tips-num {
  position: absolute;
  left: 0;
  top: 0;
  width: 34px;
  height: 34px;
  border: 1px solid var(--gold);
  border-radius: 50%;
  color: var(--gold);
  font-family: var(--font-serif);
  font-weight: 700;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background-color: rgba(201, 164, 77, 0.08);
}
.faq-tips-steps li p {
  margin: 0;
  font-size: 0.9rem;
  line-height: 1.65;
  color: var(--pearl);
}
.faq-tips-steps li strong {
  color: var(--gold-light);
  font-weight: 600;
}
.faq-tips-figure {
  margin: 0;
}
.faq-tips-figure img {
  width: 100%;
  max-width: 100%;
  height: auto;
  border: 1px solid rgba(201, 164, 77, 0.35);
}
.faq-tips-note {
  border-top: 1px solid rgba(201, 164, 77, 0.3);
  padding-top: 14px;
  font-size: 0.9rem;
  color: var(--mist);
  line-height: 1.7;
}
.faq-tips-note p {
  margin: 0;
}
.faq-tips-note a {
  color: var(--gold-light);
  text-decoration: underline;
  text-underline-offset: 3px;
}

/* ===== 底部入口 ===== */
.faq-bottom {
  margin-top: 34px;
  padding-top: 18px;
  border-top: 1px solid rgba(201, 164, 77, 0.28);
  display: flex;
  flex-wrap: wrap;
  gap: 10px 30px;
}
.faq-bottom-item {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 0.92rem;
}
.faq-bottom-label {
  color: var(--mist);
}
.faq-bottom-item a {
  color: var(--gold-light);
  text-decoration: none;
  border-bottom: 1px solid rgba(201, 164, 77, 0.4);
}
.faq-bottom-item a:hover {
  color: var(--gold);
}

/* ===== 平板：索引与FAQ并排，第三栏整行 ===== */
@media (min-width: 700px) {
  .page-faq {
    --faq-gap: 18px;
  }
  .faq-container {
    padding-left: 28px;
    padding-right: 28px;
  }
  .faq-structure-grid {
    grid-template-columns: repeat(3, 1fr);
    gap: 16px;
  }
  .faq-structure-col {
    padding: 20px 18px;
  }

  .faq-layout {
    grid-template-columns: 180px minmax(0, 1fr);
  }

  .faq-index-list {
    flex-direction: column;
    overflow: visible;
    gap: 2px;
  }
  .faq-index-list li {
    flex: none;
  }
  .faq-index-list a {
    display: block;
    padding: 8px 10px;
    border: none;
    border-left: 2px solid transparent;
    border-radius: 0;
    font-size: 0.92rem;
  }
  .faq-index-list a:hover {
    border-left-color: var(--gold);
    background-color: rgba(201, 164, 77, 0.08);
  }

  .faq-main {
    padding: 32px 26px;
    clip-path: polygon(0 0, 100% 0, 100% calc(100% - 18px), calc(100% - 18px) 100%, 0 100%);
  }
  .faq-main::before {
    width: 96px;
  }

  .faq-tips {
    grid-column: 1 / -1;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
  }
  .faq-tips-header {
    grid-column: 1 / -1;
  }
  .faq-tips-steps {
    grid-column: 1 / -1;
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 12px;
  }
  .faq-tips-steps li {
    padding-left: 0;
    padding-top: 44px;
    margin-bottom: 0;
  }
  .faq-tips-figure {
    align-self: center;
  }
  .faq-tips-note {
    align-self: center;
  }
}

/* ===== 桌面：真正三栏 ===== */
@media (min-width: 1200px) {
  .page-faq {
    --faq-gap: 24px;
  }
  .faq-container {
    padding-top: 36px;
  }

  .faq-layout {
    grid-template-columns: var(--faq-index-w) minmax(0, 1fr) var(--faq-tips-w);
  }

  .faq-tips {
    grid-column: auto;
    grid-template-columns: 1fr;
    gap: 16px;
    position: sticky;
    top: 24px;
    align-self: start;
  }
  .faq-tips-header {
    grid-column: auto;
  }
  .faq-tips-steps {
    grid-column: auto;
    display: block;
  }
  .faq-tips-steps li {
    padding-left: 46px;
    padding-top: 0;
    margin-bottom: 16px;
  }
  .faq-tips-figure {
    justify-self: stretch;
  }
  .faq-tips-note {
    align-self: auto;
  }

  .faq-main {
    padding: 40px 36px;
  }
}