.page-faq {
  --faq-rail-w: 248px;
  --faq-gap: 28px;
  --faq-radius: 20px;
  background: var(--surface);
  color: var(--ink);
  font-family: var(--font-body);
  line-height: 1.6;
  overflow-x: hidden;
}

/* ===== Hero 首屏大区 ===== */
.page-faq .faq-hero {
  position: relative;
  overflow: hidden;
  padding: 40px 0 48px;
  color: var(--white);
  background:
    radial-gradient(circle at 82% 18%, rgba(201, 168, 106, .22), transparent 44%),
    radial-gradient(circle at 12% 88%, rgba(57, 255, 136, .10), transparent 36%),
    linear-gradient(128deg, var(--deep-blue) 0%, var(--deep-blue-2) 100%);
}

.page-faq .faq-hero::before {
  content: "";
  position: absolute;
  top: -90px;
  right: -50px;
  width: 260px;
  height: 260px;
  border: 1px solid rgba(197, 209, 232, .18);
  border-radius: 50%;
  pointer-events: none;
}

.page-faq .faq-hero__inner {
  position: relative;
  z-index: 1;
  display: flex;
  flex-direction: column;
  gap: 30px;
}

.page-faq .faq-hero .breadcrumb {
  margin: 0;
  padding: 0;
}

.page-faq .faq-hero .breadcrumb ol {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-faq .faq-hero .breadcrumb li:not(:last-child)::after {
  content: "·";
  margin-left: 8px;
  color: rgba(197, 209, 232, .6);
}

.page-faq .faq-hero .breadcrumb a {
  color: var(--silver);
  font-size: 13px;
  letter-spacing: .04em;
  text-decoration: none;
  transition: color var(--duration) var(--ease);
}

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

.page-faq .faq-hero .breadcrumb a[aria-current="page"] {
  color: var(--gold);
}

.page-faq .faq-hero__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 26px;
  align-items: center;
}

.page-faq .faq-hero__copy {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
}

.page-faq .faq-hero__copy .eyebrow {
  display: inline-block;
  margin-bottom: 14px;
  padding: 5px 14px;
  border: 1px solid rgba(57, 255, 136, .35);
  border-radius: 999px;
  background: rgba(57, 255, 136, .08);
  color: var(--green);
  font-size: 12px;
  font-weight: 600;
  line-height: 1.4;
  letter-spacing: .18em;
  text-transform: uppercase;
}

.page-faq .faq-hero__copy h1 {
  margin: 0 0 16px;
  font-family: var(--font-head);
  font-size: clamp(30px, 6vw, 52px);
  font-weight: 800;
  line-height: 1.12;
  letter-spacing: -0.02em;
}

.page-faq .faq-hero__copy .lead {
  max-width: 48ch;
  margin: 0 0 26px;
  color: var(--silver);
  font-size: 16px;
  line-height: 1.75;
}

.page-faq .faq-hero__stats {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
}

.page-faq .faq-hero__stat {
  display: flex;
  flex-direction: column;
  min-width: 84px;
  padding: 10px 16px;
  border: 1px solid rgba(197, 209, 232, .22);
  border-radius: 12px;
  background: rgba(255, 255, 255, .06);
}

.page-faq .faq-hero__stat-num {
  font-family: var(--font-mono);
  font-size: 20px;
  font-weight: 700;
  color: var(--white);
}

.page-faq .faq-hero__stat-label {
  margin-top: 2px;
  font-size: 12px;
  color: var(--silver);
}

.page-faq .faq-hero__media {
  width: 100%;
  margin: 0;
  overflow: hidden;
  border-radius: var(--faq-radius);
  background: var(--silver);
  box-shadow: var(--shadow-md);
}

.page-faq .faq-hero__media img {
  display: block;
  width: 100%;
  height: auto;
}

/* ===== 主布局：非对称双栏 ===== */
.page-faq .faq-layout {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--faq-gap);
  padding-top: 40px;
  padding-bottom: 64px;
}

/* ===== 左侧锚点轨道 ===== */
.page-faq .faq-rail {
  position: relative;
  top: 0;
  align-self: start;
  display: flex;
  flex-direction: column;
  gap: 18px;
  padding: 22px 20px;
  border-radius: var(--faq-radius);
  background: var(--deep-blue);
  color: var(--white);
  box-shadow: var(--shadow-sm);
}

.page-faq .faq-rail__eyebrow {
  display: block;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .16em;
  text-transform: uppercase;
  color: var(--green);
}

.page-faq .faq-rail__head h2 {
  margin: 4px 0 0;
  font-family: var(--font-head);
  font-size: 18px;
  font-weight: 700;
}

.page-faq .faq-rail__list {
  display: flex;
  flex-direction: row;
  gap: 8px;
  margin: 0;
  padding: 0;
  list-style: none;
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
  scrollbar-width: none;
}

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

.page-faq .faq-rail__list li {
  display: flex;
  flex-shrink: 0;
  align-items: center;
  gap: 6px;
  padding: 8px 13px;
  border: 1px solid rgba(197, 209, 232, .18);
  border-radius: 999px;
  background: rgba(255, 255, 255, .08);
  transition: background var(--duration) var(--ease), border-color var(--duration) var(--ease);
}

.page-faq .faq-rail__list li:hover {
  background: rgba(255, 255, 255, .14);
  border-color: rgba(201, 168, 106, .5);
}

.page-faq .faq-rail__num {
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--gold);
}

.page-faq .faq-rail__list a {
  color: var(--silver);
  font-size: 14px;
  line-height: 1.4;
  text-decoration: none;
  white-space: nowrap;
  transition: color var(--duration) var(--ease);
}

.page-faq .faq-rail__list li:hover a,
.page-faq .faq-rail__list a:focus {
  color: var(--white);
}

.page-faq .faq-rail__foot {
  margin-top: 4px;
  padding-top: 16px;
  border-top: 1px solid rgba(197, 209, 232, .18);
}

.page-faq .faq-rail__foot-text {
  margin: 0 0 10px;
  color: var(--silver);
  font-size: 13px;
  line-height: 1.55;
}

.page-faq .faq-rail__foot .btn--ghost {
  border-color: rgba(197, 209, 232, .4);
  color: var(--silver);
  background: transparent;
}

.page-faq .faq-rail__foot .btn--ghost:hover {
  border-color: var(--gold);
  color: var(--white);
}

/* ===== 右侧问答内容 ===== */
.page-faq .faq-content {
  display: flex;
  flex-direction: column;
  gap: 32px;
  min-width: 0;
}

.page-faq .faq-group {
  padding: 24px 20px;
  border: 1px solid var(--line);
  border-radius: var(--faq-radius);
  background: var(--white);
  box-shadow: var(--shadow-sm);
}

.page-faq .faq-group__head {
  display: flex;
  align-items: flex-start;
  gap: 14px;
  margin-bottom: 8px;
  padding-bottom: 18px;
  border-bottom: 1px solid var(--line);
}

.page-faq .faq-group__index {
  flex-shrink: 0;
  padding: 3px 9px;
  border-radius: 8px;
  background: var(--surface);
  font-family: var(--font-mono);
  font-size: 14px;
  font-weight: 700;
  line-height: 1.5;
  color: var(--gold-dark);
}

.page-faq .faq-group__head h2 {
  margin: 0 0 4px;
  font-family: var(--font-head);
  font-size: 22px;
  font-weight: 700;
  color: var(--deep-blue);
}

.page-faq .faq-group__desc {
  margin: 0;
  font-size: 14px;
  color: var(--text-muted);
}

/* ===== 手风琴面板 ===== */
.page-faq .faq-panel {
  border-bottom: 1px solid var(--line);
}

.page-faq .faq-panel:last-of-type {
  border-bottom: none;
}

.page-faq .faq-panel__summary {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 18px 4px;
  font-size: 15px;
  font-weight: 600;
  color: var(--deep-blue);
  cursor: pointer;
  list-style: none;
  transition: color var(--duration) var(--ease);
}

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

.page-faq .faq-panel__summary:hover {
  color: var(--gold-dark);
}

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

.page-faq .faq-panel__icon::before,
.page-faq .faq-panel__icon::after {
  content: "";
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  background: var(--gold);
  transition: transform var(--duration) var(--ease), opacity var(--duration) var(--ease);
}

.page-faq .faq-panel__icon::before {
  width: 14px;
  height: 2px;
}

.page-faq .faq-panel__icon::after {
  width: 2px;
  height: 14px;
}

.page-faq .faq-panel[open] .faq-panel__icon::after {
  transform: translate(-50%, -50%) rotate(90deg);
  opacity: 0;
}

.page-faq .faq-panel__body {
  padding: 0 4px 20px;
  font-size: 15px;
  color: var(--text-muted);
}

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

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

.page-faq .faq-panel__body ol,
.page-faq .faq-panel__body ul {
  margin: 0;
  padding-left: 18px;
}

.page-faq .faq-panel__body li {
  margin-bottom: 6px;
}

.page-faq .faq-panel__body li:last-child {
  margin-bottom: 0;
}

/* ===== 内联链接与列表 ===== */
.page-faq .faq-inline-link {
  color: var(--gold-dark);
  font-weight: 600;
  text-decoration: none;
  border-bottom: 1px solid rgba(140, 109, 63, .35);
  transition: color var(--duration) var(--ease), border-color var(--duration) var(--ease);
}

.page-faq .faq-inline-link:hover {
  color: var(--deep-blue);
  border-color: var(--deep-blue);
}

.page-faq .faq-steps,
.page-faq .faq-list {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

/* ===== 导出示意图 ===== */
.page-faq .faq-export__img {
  margin: 26px 4px 4px;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: 14px;
  background: var(--surface);
}

.page-faq .faq-export__img img {
  display: block;
  width: 100%;
  height: auto;
}

.page-faq .faq-export__img .media-frame__label {
  padding: 10px 14px;
  border-top: 1px solid var(--line);
  font-size: 13px;
  color: var(--text-muted);
}

/* ===== 底部支持横幅 ===== */
.page-faq .faq-cta {
  padding: 40px 0;
  color: var(--white);
  background:
    radial-gradient(circle at 88% 20%, rgba(201, 168, 106, .24), transparent 38%),
    linear-gradient(120deg, var(--deep-blue) 0%, var(--deep-blue-2) 100%);
}

.page-faq .faq-cta__inner {
  display: flex;
  flex-direction: column;
  gap: 22px;
  align-items: flex-start;
}

.page-faq .faq-cta__eyebrow {
  display: inline-block;
  margin-bottom: 10px;
  padding: 4px 12px;
  border: 1px solid rgba(201, 168, 106, .4);
  border-radius: 999px;
  background: rgba(201, 168, 106, .1);
  color: var(--gold);
  font-size: 12px;
  font-weight: 600;
  line-height: 1.4;
  letter-spacing: .18em;
  text-transform: uppercase;
}

.page-faq .faq-cta__copy h2 {
  margin: 0 0 8px;
  font-family: var(--font-head);
  font-size: 28px;
  font-weight: 800;
}

.page-faq .faq-cta__copy p:last-child {
  max-width: 48ch;
  margin: 0;
  color: var(--silver);
  font-size: 15px;
  line-height: 1.65;
}

.page-faq .faq-cta .btn--primary {
  background: var(--gold);
  border-color: var(--gold);
  color: var(--deep-blue);
}

.page-faq .faq-cta .btn--primary:hover {
  background: var(--gold-dark);
  border-color: var(--gold-dark);
  color: var(--white);
}

/* ===== 桌面端布局 ===== */
@media (min-width: 960px) {
  .page-faq .faq-hero {
    padding: 56px 0 64px;
  }

  .page-faq .faq-hero__grid {
    grid-template-columns: minmax(0, .9fr) minmax(0, 1.1fr);
    gap: 48px;
  }

  .page-faq .faq-hero__media {
    border-radius: 22px;
  }

  .page-faq .faq-layout {
    grid-template-columns: var(--faq-rail-w) minmax(0, 1fr);
    gap: 40px;
    align-items: start;
  }

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

  .page-faq .faq-rail__list {
    flex-direction: column;
    gap: 4px;
    overflow: visible;
  }

  .page-faq .faq-rail__list li {
    flex-shrink: 1;
    padding: 8px 10px;
    border: none;
    border-radius: 10px;
    background: transparent;
  }

  .page-faq .faq-rail__list li:hover {
    background: rgba(255, 255, 255, .08);
    border: none;
  }

  .page-faq .faq-rail__list a {
    white-space: normal;
  }

  .page-faq .faq-group {
    padding: 32px 32px 28px;
  }

  .page-faq .faq-cta {
    padding: 56px 0;
  }

  .page-faq .faq-cta__inner {
    flex-direction: row;
    align-items: center;
    justify-content: space-between;
    gap: 40px;
  }
}