.page-faq {
  --faq-body: #CFD8CF;
  --faq-gap: 20px;
}

/* ---------- 首屏 ---------- */
.page-faq .faq-hero {
  padding: 104px 0 34px;
  border-bottom: 1px solid var(--line);
  background:
    linear-gradient(180deg, rgba(184, 255, 60, 0.07) 0%, rgba(7, 9, 7, 0) 60%),
    var(--void);
}

.page-faq .faq-hero__title {
  margin: 14px 0 0;
  font-size: clamp(29px, 6.4vw, 50px);
  line-height: 1.16;
  font-weight: 900;
  letter-spacing: -0.02em;
  color: var(--cream);
  max-width: 20ch;
}

.page-faq .faq-hero__lead {
  margin: 16px 0 0;
  max-width: 64ch;
  font-size: 16px;
  line-height: 1.8;
  color: var(--faq-body);
}

.page-faq .faq-hero__meta {
  display: flex;
  flex-wrap: wrap;
  gap: 12px 30px;
  margin: 26px 0 0;
  padding: 0;
  list-style: none;
}

.page-faq .faq-hero__meta li {
  display: flex;
  align-items: baseline;
  gap: 9px;
  font-size: 13px;
  color: var(--muted);
}

.page-faq .faq-hero__meta .mono {
  font-size: 24px;
  font-weight: 700;
  letter-spacing: -0.01em;
  color: var(--neon);
}

/* ---------- 现象标签条 ---------- */
.page-faq .faq-jump {
  border-bottom: 1px solid var(--line);
  background: var(--panel-deep);
}

.page-faq .faq-jump__inner {
  display: flex;
  gap: 10px;
  padding-top: 14px;
  padding-bottom: 14px;
  overflow-x: auto;
  scrollbar-width: none;
  -webkit-overflow-scrolling: touch;
}

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

.page-faq .faq-jump__tab {
  flex: 0 0 auto;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 9px 14px;
  border: 1px solid var(--line);
  color: var(--cream-soft);
  font-size: 14px;
  line-height: 1.4;
  white-space: nowrap;
  text-decoration: none;
  transition: border-color 0.18s var(--ease), background-color 0.18s var(--ease), color 0.18s var(--ease);
}

.page-faq .faq-jump__idx {
  font-size: 11px;
  font-weight: 700;
  color: var(--muted);
}

.page-faq .faq-jump__tab:hover,
.page-faq .faq-jump__tab:focus-visible {
  border-color: var(--neon);
  background: rgba(184, 255, 60, 0.08);
  color: var(--cream);
}

.page-faq .faq-jump__tab:focus-visible {
  outline: 2px solid var(--neon);
  outline-offset: 2px;
}

.page-faq .faq-jump__tab:hover .faq-jump__idx,
.page-faq .faq-jump__tab:focus-visible .faq-jump__idx {
  color: var(--neon);
}

/* ---------- 主体栅格 ---------- */
.page-faq .faq-layout {
  display: block;
  padding-top: 30px;
  padding-bottom: 132px;
}

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

/* ---------- 区块 ---------- */
.page-faq .faq-block {
  padding: 30px 0 34px;
  border-top: 1px solid var(--line);
  scroll-margin-top: 92px;
}

.page-faq .faq-block:first-child {
  border-top: 0;
  padding-top: 4px;
}

.page-faq .faq-block__head {
  display: grid;
  grid-template-columns: 38px minmax(0, 1fr);
  gap: 4px 14px;
  align-items: start;
}

.page-faq .faq-block__idx {
  font-size: 14px;
  font-weight: 700;
  letter-spacing: 0.06em;
  color: var(--neon);
  padding-top: 5px;
}

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

.page-faq .faq-block__title {
  margin: 0;
  font-size: clamp(22px, 4.4vw, 30px);
  line-height: 1.28;
  font-weight: 800;
  letter-spacing: -0.015em;
  color: var(--cream);
}

.page-faq .faq-block__sub {
  margin: 8px 0 0;
  font-size: 14px;
  line-height: 1.7;
  color: var(--muted);
}

/* ---------- 步骤清单 ---------- */
.page-faq .faq-checklist {
  margin-top: 20px;
  padding: 14px 14px 12px;
  border: 1px solid var(--line);
  background: var(--panel);
}

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

.page-faq .faq-step {
  display: grid;
  grid-template-columns: 20px 30px minmax(0, 1fr);
  align-items: start;
  gap: 10px;
  padding: 10px 8px;
  border-left: 2px solid transparent;
  cursor: pointer;
  transition: background-color 0.18s var(--ease), border-color 0.18s var(--ease);
}

.page-faq .faq-step:hover {
  background: rgba(184, 255, 60, 0.05);
  border-left-color: var(--neon);
}

.page-faq .faq-step__box {
  appearance: none;
  -webkit-appearance: none;
  display: block;
  width: 18px;
  height: 18px;
  margin: 3px 0 0;
  border: 1px solid var(--grid);
  background: transparent;
  position: relative;
  cursor: pointer;
  transition: background-color 0.18s var(--ease), border-color 0.18s var(--ease);
}

.page-faq .faq-step__box:checked {
  background: var(--neon);
  border-color: var(--neon);
}

.page-faq .faq-step__box:checked::after {
  content: "";
  position: absolute;
  left: 5px;
  top: 1px;
  width: 5px;
  height: 10px;
  border-right: 2px solid var(--void);
  border-bottom: 2px solid var(--void);
  transform: rotate(42deg);
}

.page-faq .faq-step__box:focus-visible {
  outline: 2px solid var(--neon);
  outline-offset: 2px;
}

.page-faq .faq-step__num {
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.08em;
  line-height: 1.6;
  padding-top: 2px;
  color: var(--muted);
  transition: color 0.18s var(--ease);
}

.page-faq .faq-step:has(.faq-step__box:checked) .faq-step__num {
  color: var(--neon);
}

.page-faq .faq-step__txt {
  font-size: 15px;
  line-height: 1.75;
  color: var(--faq-body);
}

.page-faq .faq-steps__done {
  display: none;
  margin: 14px 0 0;
  padding: 12px 14px;
  border: 1px solid var(--neon-deep);
  background: rgba(184, 255, 60, 0.08);
  font-size: 14px;
  line-height: 1.7;
  color: var(--cream-soft);
}

.page-faq .faq-checklist:not(:has(input[type="checkbox"]:not(:checked))) .faq-steps__done {
  display: block;
}

/* ---------- 提示文字 ---------- */
.page-faq .faq-note {
  margin: 18px 0 0;
  padding-left: 14px;
  border-left: 2px solid var(--grid);
  font-size: 14px;
  line-height: 1.8;
  color: var(--muted);
}

/* ---------- 图片 ---------- */
.page-faq .faq-figure {
  margin: 24px 0 0;
}

.page-faq .faq-figure img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  object-fit: cover;
  border: 1px solid var(--line);
  background: var(--panel-deep);
}

.page-faq .faq-figure__cap {
  margin: 10px 0 0;
  font-size: 13px;
  line-height: 1.7;
  color: var(--muted);
}

/* ---------- 状态说明 ---------- */
.page-faq .faq-states {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1px;
  margin-top: 24px;
  border: 1px solid var(--line);
  background: var(--line-soft);
}

.page-faq .faq-state {
  display: grid;
  gap: 7px;
  padding: 16px 16px 18px;
  background: var(--panel);
}

.page-faq .faq-state--neon { color: var(--neon); }
.page-faq .faq-state--heat { color: var(--heat); }
.page-faq .faq-state--amber { color: var(--amber); }
.page-faq .faq-state--brick { color: var(--brick); }

.page-faq .faq-state__mark {
  width: 26px;
  height: 26px;
  fill: none;
  stroke: currentColor;
  stroke-width: 1.8;
  stroke-linecap: square;
  stroke-linejoin: miter;
}

.page-faq .faq-state__name {
  margin: 0;
  font-size: 15px;
  font-weight: 700;
  letter-spacing: 0.01em;
  color: var(--cream);
}

.page-faq .faq-state__desc {
  margin: 0;
  font-size: 14px;
  line-height: 1.72;
  color: var(--faq-body);
}

/* ---------- 需要人工的情况 ---------- */
.page-faq .faq-cases {
  margin: 20px 0 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 11px;
}

.page-faq .faq-cases li {
  position: relative;
  padding-left: 24px;
  font-size: 15px;
  line-height: 1.75;
  color: var(--faq-body);
}

.page-faq .faq-cases li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.72em;
  width: 11px;
  height: 2px;
  background: var(--neon);
}

/* ---------- 联系方式块 ---------- */
.page-faq .faq-contact {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1px;
  margin-top: 24px;
  border: 1px solid var(--line);
  background: var(--line-soft);
}

.page-faq .faq-contact__item {
  padding: 14px 16px 16px;
  background: var(--panel);
}

.page-faq .faq-contact__label {
  margin: 0;
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--muted);
}

.page-faq .faq-contact__value {
  margin: 7px 0 0;
  font-size: 15px;
  line-height: 1.6;
  color: var(--cream);
  overflow-wrap: anywhere;
}

.page-faq .faq-contact__link {
  color: var(--neon);
  text-decoration: none;
  border-bottom: 1px solid var(--neon-deep);
  transition: border-color 0.18s var(--ease), color 0.18s var(--ease);
}

.page-faq .faq-contact__link:hover,
.page-faq .faq-contact__link:focus-visible {
  color: var(--cream);
  border-bottom-color: var(--neon);
}

.page-faq .faq-contact__link:focus-visible {
  outline: 2px solid var(--neon);
  outline-offset: 3px;
}

/* ---------- 侧栏咨询入口 ---------- */
.page-faq .faq-aside {
  margin-top: 30px;
}

.page-faq .faq-hub {
  border: 1px solid var(--line);
  background: var(--panel);
  padding: 18px 18px 20px;
}

.page-faq .faq-hub__title {
  margin: 0;
  font-size: 15px;
  font-weight: 700;
  letter-spacing: 0.01em;
  color: var(--cream);
}

.page-faq .faq-hub__list {
  margin: 14px 0 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 12px;
}

.page-faq .faq-hub__item {
  display: grid;
  gap: 5px;
  padding-left: 12px;
  border-left: 2px solid var(--grid);
}

.page-faq .faq-hub__label {
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--muted);
}

.page-faq .faq-hub__value {
  font-size: 14px;
  line-height: 1.6;
  color: var(--cream-soft);
  overflow-wrap: anywhere;
}

.page-faq .faq-hub__link {
  color: var(--neon);
  text-decoration: none;
  border-bottom: 1px solid var(--neon-deep);
}

.page-faq .faq-hub__link:hover,
.page-faq .faq-hub__link:focus-visible {
  color: var(--cream);
  border-bottom-color: var(--neon);
}

.page-faq .faq-hub__link:focus-visible {
  outline: 2px solid var(--neon);
  outline-offset: 3px;
}

.page-faq .faq-hub__note {
  margin: 16px 0 0;
  padding-top: 14px;
  border-top: 1px solid var(--line);
  font-size: 12.5px;
  line-height: 1.75;
  color: var(--muted);
}

/* ---------- 窄屏：侧栏折叠为底部固定条 ---------- */
@media (max-width: 1023px) {
  .page-faq .faq-aside {
    position: fixed;
    left: 0;
    right: 0;
    bottom: 0;
    z-index: 40;
    margin: 0;
    border-top: 1px solid var(--neon-deep);
    background: rgba(11, 15, 12, 0.97);
  }

  .page-faq .faq-hub {
    border: 0;
    background: transparent;
    padding: 10px var(--gutter) calc(10px + env(safe-area-inset-bottom, 0px));
  }

  .page-faq .faq-hub__title,
  .page-faq .faq-hub__note {
    display: none;
  }

  .page-faq .faq-hub__list {
    display: flex;
    gap: 8px;
    margin: 0;
  }

  .page-faq .faq-hub__item {
    flex: 1 1 0;
    min-width: 0;
    gap: 3px;
    padding: 8px 10px;
    border-left: 0;
    border: 1px solid var(--line);
  }

  .page-faq .faq-hub__label {
    font-size: 11px;
    letter-spacing: 0.04em;
  }

  .page-faq .faq-hub__value {
    font-size: 12px;
    line-height: 1.45;
  }
}

/* ---------- 平板以上 ---------- */
@media (min-width: 560px) {
  .page-faq .faq-states {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

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

@media (min-width: 1024px) {
  .page-faq .faq-hero {
    padding: 128px 0 46px;
  }

  .page-faq .faq-layout {
    display: grid;
    grid-template-columns: minmax(0, 8fr) minmax(0, 4fr);
    gap: 44px;
    align-items: start;
    padding-top: 42px;
    padding-bottom: 84px;
  }

  .page-faq .faq-block {
    padding: 38px 0 42px;
    scroll-margin-top: 104px;
  }

  .page-faq .faq-block:first-child {
    padding-top: 6px;
  }

  .page-faq .faq-checklist {
    padding: 18px 20px 16px;
  }

  .page-faq .faq-step {
    padding: 11px 10px;
  }

  .page-faq .faq-aside {
    position: sticky;
    top: 96px;
    margin-top: 6px;
  }
}

/* ---------- 动效偏好 ---------- */
@media (prefers-reduced-motion: reduce) {
  .page-faq .faq-step,
  .page-faq .faq-jump__tab,
  .page-faq .faq-step__box,
  .page-faq .faq-step__num,
  .page-faq .faq-hub__link,
  .page-faq .faq-contact__link {
    transition: none;
  }
}