.page-faq {
  --faq-gap: clamp(18px, 2.4vw, 32px);
  --faq-sticky: calc(var(--bar-h) + 20px);
}

/* ---------- 首屏框景 ---------- */
.page-faq .faq-hero {
  padding: clamp(20px, 3vw, 34px) 0 0;
}

.page-faq .faq-hero__frame {
  position: relative;
  border: 2px solid var(--line);
  border-radius: var(--radius);
  background:
    radial-gradient(120% 150% at 8% 0%, rgba(255, 106, 26, 0.16), transparent 58%),
    radial-gradient(90% 120% at 100% 100%, rgba(123, 212, 74, 0.10), transparent 55%),
    linear-gradient(180deg, var(--panel), var(--void));
  box-shadow: var(--shadow-hard);
  padding: clamp(24px, 4.2vw, 52px);
}

.page-faq .faq-hero__frame::before {
  content: "";
  position: absolute;
  left: -2px;
  top: -2px;
  width: clamp(72px, 12vw, 132px);
  height: 6px;
  background: var(--orange);
}

.page-faq .faq-hero h1 {
  margin: 10px 0 16px;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(40px, 8vw, 68px);
  line-height: 1.02;
  letter-spacing: -0.02em;
  color: var(--fg);
}

.page-faq .faq-hero .lede {
  max-width: 62ch;
  margin: 0;
}

.page-faq .faq-hero__meta {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 22px 0 0;
  padding: 0;
  list-style: none;
  font-size: 12px;
}

.page-faq .faq-hero__meta li {
  border: 2px solid var(--line);
  background: var(--band);
  color: var(--fg-dim);
  padding: 6px 10px;
  letter-spacing: 0.02em;
}

/* ---------- 场景分段带 ---------- */
.page-faq .faq-scenes {
  margin-top: clamp(20px, 3vw, 34px);
  border-top: 2px solid var(--line);
  border-bottom: 2px solid var(--line);
  background: var(--band);
}

.page-faq .faq-scenes__track {
  display: flex;
  gap: 10px;
  overflow-x: auto;
  padding-top: 12px;
  padding-bottom: 12px;
  -webkit-overflow-scrolling: touch;
}

.page-faq .faq-scene {
  flex: 0 0 auto;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  border: 2px solid var(--line);
  border-radius: var(--radius);
  background: var(--panel);
  box-shadow: var(--shadow-hard);
  color: var(--fg);
  font-size: 14px;
  font-weight: 600;
  padding: 10px 14px;
  text-decoration: none;
  white-space: nowrap;
  transition: transform var(--dur) var(--ease), border-color var(--dur) var(--ease), color var(--dur) var(--ease);
}

.page-faq .faq-scene .mono {
  color: var(--orange);
  font-size: 12px;
}

.page-faq .faq-scene:hover,
.page-faq .faq-scene:focus-visible {
  transform: translateY(-2px);
  border-color: var(--orange);
  color: var(--orange);
}

/* ---------- 主布局 ---------- */
.page-faq .faq-layout {
  display: grid;
  gap: var(--faq-gap);
  padding-top: clamp(26px, 4vw, 46px);
  padding-bottom: clamp(44px, 6vw, 76px);
}

.page-faq .faq-group {
  margin-bottom: clamp(36px, 5.5vw, 64px);
  scroll-margin-top: calc(var(--bar-h) + 22px);
}

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

.page-faq .faq-group__head {
  border-left: 6px solid var(--orange);
  padding-left: 16px;
  margin-bottom: 20px;
}

.page-faq .faq-group__no {
  margin: 0 0 6px;
  font-size: 12px;
  letter-spacing: 0.14em;
  color: var(--gold);
}

.page-faq .faq-group__head h2 {
  margin: 0 0 10px;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(24px, 4vw, 36px);
  line-height: 1.16;
  letter-spacing: -0.015em;
  color: var(--fg);
}

.page-faq .faq-group__lede {
  margin: 0;
  max-width: 68ch;
  color: var(--fg-dim);
  font-size: 16px;
  line-height: 1.75;
}

/* ---------- 步骤条 ---------- */
.page-faq .faq-steps {
  list-style: none;
  counter-reset: step;
  display: grid;
  gap: 12px;
  margin: 0 0 22px;
  padding: 0;
}

.page-faq .faq-steps > li {
  position: relative;
  border: 2px solid var(--line);
  border-radius: var(--radius);
  background: var(--panel);
  box-shadow: var(--shadow-hard);
  padding: 15px 16px 15px 68px;
  transition: transform var(--dur) var(--ease), border-color var(--dur) var(--ease);
}

.page-faq .faq-steps > li:hover {
  transform: translateY(-2px);
  border-color: var(--line);
}

.page-faq .faq-steps > li::before {
  counter-increment: step;
  content: counter(step, decimal-leading-zero);
  position: absolute;
  left: 0;
  top: 0;
  bottom: 0;
  width: 50px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--band);
  border-right: 2px solid var(--line);
  font-family: var(--font-mono);
  font-size: 15px;
  font-weight: 700;
  color: var(--gold);
}

.page-faq .faq-steps strong {
  display: block;
  margin-bottom: 6px;
  color: var(--fg);
  font-size: 17px;
}

.page-faq .faq-steps p {
  margin: 0;
  color: var(--fg-dim);
  font-size: 15px;
  line-height: 1.7;
}

/* ---------- 图片 ---------- */
.page-faq .faq-media {
  margin: 0 0 22px;
  border: 2px solid var(--line);
  border-radius: var(--radius);
  box-shadow: var(--shadow-hard);
  overflow: hidden;
}

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

.page-faq .faq-media--wide {
  margin-top: 20px;
}

/* ---------- 问答折叠 ---------- */
.page-faq .faq-list {
  display: grid;
  gap: 10px;
  counter-reset: qa;
}

.page-faq .faq-list .acc {
  position: relative;
  border: 2px solid var(--line-soft);
  border-radius: var(--radius);
  background: var(--panel);
  transition: border-color var(--dur) var(--ease), box-shadow var(--dur) var(--ease);
}

.page-faq .faq-list .acc[open] {
  border-color: var(--line);
  box-shadow: var(--shadow-hard);
}

.page-faq .faq-list .acc[open]::before {
  content: "";
  position: absolute;
  left: -2px;
  top: -2px;
  bottom: -2px;
  width: 4px;
  background: var(--orange);
}

.page-faq .faq-list .acc > summary {
  position: relative;
  cursor: pointer;
  list-style: none;
  padding: 16px 46px 16px 62px;
  color: var(--fg);
  font-size: 16px;
  font-weight: 600;
  line-height: 1.5;
}

.page-faq .faq-list .acc > summary::-webkit-details-marker {
  display: none;
}

.page-faq .faq-list .acc > summary::before {
  counter-increment: qa;
  content: "Q" counter(qa, decimal-leading-zero);
  position: absolute;
  left: 18px;
  top: 18px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.04em;
  color: var(--orange);
}

.page-faq .faq-list .acc > summary::after {
  content: "+";
  position: absolute;
  right: 18px;
  top: 50%;
  transform: translateY(-50%);
  font-family: var(--font-mono);
  font-size: 20px;
  line-height: 1;
  color: var(--fg-dim);
}

.page-faq .faq-list .acc[open] > summary::after {
  content: "–";
  color: var(--orange);
}

.page-faq .faq-list .acc > summary:hover {
  color: var(--gold);
}

.page-faq .faq-list .acc__body {
  border-top: 1px solid var(--line-soft);
  padding: 14px 46px 18px 62px;
  color: var(--fg-dim);
  font-size: 15px;
  line-height: 1.78;
}

.page-faq .faq-list .acc__body p {
  margin: 0;
}

/* ---------- 三套视图 ---------- */
.page-faq .faq-views {
  display: grid;
  gap: 12px;
}

.page-faq .faq-view {
  border: 2px solid var(--line);
  border-radius: var(--radius);
  background: linear-gradient(180deg, var(--band), var(--panel));
  box-shadow: var(--shadow-hard);
  padding: 18px;
  transition: transform var(--dur) var(--ease), border-color var(--dur) var(--ease);
}

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

.page-faq .faq-view__tag {
  margin: 0 0 8px;
  font-size: 12px;
  letter-spacing: 0.12em;
  color: var(--green);
}

.page-faq .faq-view h3 {
  margin: 0 0 8px;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: 19px;
  letter-spacing: -0.01em;
  color: var(--fg);
}

.page-faq .faq-view p {
  margin: 0;
  color: var(--fg-dim);
  font-size: 14.5px;
  line-height: 1.72;
}

/* ---------- 反馈模板 ---------- */
.page-faq .faq-template {
  margin-top: 22px;
  border: 2px solid var(--line);
  border-left: 6px solid var(--green);
  border-radius: var(--radius);
  background: var(--panel);
  box-shadow: var(--shadow-hard);
  padding: 18px;
}

.page-faq .faq-template__label {
  margin: 0 0 10px;
  font-size: 12px;
  letter-spacing: 0.1em;
  color: var(--green);
}

.page-faq .faq-template__body {
  margin: 0;
  color: var(--fg);
  font-size: 14px;
  line-height: 2;
  word-break: break-word;
}

/* ---------- 收尾 CTA ---------- */
.page-faq .faq-cta {
  display: grid;
  gap: 14px;
  align-items: center;
  margin-top: 20px;
  border: 2px dashed var(--line);
  border-radius: var(--radius);
  background: rgba(22, 34, 74, 0.5);
  padding: 20px;
}

.page-faq .faq-cta p {
  margin: 0;
  color: var(--fg-dim);
  font-size: 15px;
  line-height: 1.7;
}

.page-faq .faq-cta a:not(.btn) {
  color: var(--link);
}

/* ---------- 右侧速查栏 ---------- */
.page-faq .faq-aside {
  display: grid;
  gap: 14px;
  align-content: start;
}

.page-faq .faq-aside__panel {
  padding: 16px;
}

.page-faq .faq-aside__title {
  margin: 0 0 12px;
  font-size: 12px;
  letter-spacing: 0.14em;
  color: var(--fg-dim);
}

.page-faq .faq-aside__ver {
  margin: 0 0 12px;
  font-size: 32px;
  font-weight: 700;
  line-height: 1;
  color: var(--orange);
}

.page-faq .faq-aside__list {
  margin: 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 8px;
}

.page-faq .faq-aside__list li {
  position: relative;
  padding-left: 16px;
  color: var(--fg-dim);
  font-size: 14px;
  line-height: 1.6;
}

.page-faq .faq-aside__list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 9px;
  width: 8px;
  height: 2px;
  background: var(--green);
}

.page-faq .faq-aside__links {
  margin: 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 2px;
}

.page-faq .faq-aside__links a {
  display: block;
  border-bottom: 1px solid var(--line-soft);
  padding: 9px 0;
  color: var(--fg);
  font-size: 14.5px;
  text-decoration: none;
  transition: color var(--dur) var(--ease), padding-left var(--dur) var(--ease);
}

.page-faq .faq-aside__links a:hover,
.page-faq .faq-aside__links a:focus-visible {
  color: var(--orange);
  padding-left: 6px;
}

.page-faq .faq-aside__note {
  margin: 12px 0 0;
  color: var(--fg-dim);
  font-size: 13px;
  line-height: 1.65;
}

.page-faq .faq-aside__dl {
  margin: 0;
  display: grid;
  gap: 10px;
}

.page-faq .faq-aside__dl > div {
  display: flex;
  justify-content: space-between;
  gap: 10px;
  border-bottom: 1px solid var(--line-soft);
  padding-bottom: 8px;
}

.page-faq .faq-aside__dl dt {
  color: var(--fg-dim);
  font-size: 13.5px;
}

.page-faq .faq-aside__dl dd {
  margin: 0;
  color: var(--gold);
  font-size: 13.5px;
}

/* ---------- 小屏收窄悬挂缩进 ---------- */
@media (max-width: 620px) {
  .page-faq .faq-steps > li {
    padding-left: 58px;
  }

  .page-faq .faq-list .acc > summary {
    padding: 15px 42px 15px 48px;
    font-size: 15px;
  }

  .page-faq .faq-list .acc > summary::before {
    left: 14px;
    top: 16px;
  }

  .page-faq .faq-list .acc__body {
    padding: 14px 18px 16px 48px;
  }

  .page-faq .faq-cta {
    padding: 16px;
  }
}

/* ---------- 桌面：非对称双栏 + 常驻速查栏 ---------- */
@media (min-width: 1000px) {
  .page-faq .faq-layout {
    grid-template-columns: minmax(0, 1fr) 336px;
    align-items: start;
    gap: clamp(24px, 3vw, 44px);
  }

  .page-faq .faq-aside {
    position: sticky;
    top: var(--faq-sticky);
  }

  .page-faq .faq-steps {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .page-faq .faq-steps > li {
    padding: 18px 18px 18px 20px;
  }

  .page-faq .faq-steps > li::before {
    position: static;
    display: inline-flex;
    width: auto;
    height: auto;
    background: transparent;
    border-right: 0;
    justify-content: flex-start;
    margin-bottom: 10px;
    font-size: 18px;
  }

  .page-faq .faq-views {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

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

@media (prefers-reduced-motion: reduce) {
  .page-faq .faq-scene,
  .page-faq .faq-steps > li,
  .page-faq .faq-view,
  .page-faq .faq-aside__links a {
    transition: none;
  }

  .page-faq .faq-scene:hover,
  .page-faq .faq-steps > li:hover,
  .page-faq .faq-view:hover {
    transform: none;
  }
}