.page-faq {
  --faq-gap: clamp(18px, 3vw, 34px);
  --faq-soft: rgba(244, 247, 242, .74);
  --faq-line: rgba(138, 150, 168, .22);
  padding-bottom: clamp(56px, 8vw, 104px);
}

.page-faq .crumbs {
  padding-top: clamp(16px, 3vw, 28px);
}

/* ---------- 首屏 ---------- */
.page-faq .faq-hero {
  position: relative;
  margin-top: clamp(14px, 2.4vw, 22px);
  padding: clamp(22px, 4vw, 46px);
  border: 1px solid var(--faq-line);
  border-radius: var(--r-xl);
  background:
    radial-gradient(120% 90% at 92% -10%, rgba(216, 255, 62, .16), transparent 58%),
    linear-gradient(118deg, rgba(0, 196, 106, .16), transparent 46%),
    var(--ink-2);
  overflow: hidden;
}

.page-faq .faq-hero::after {
  content: "";
  position: absolute;
  right: -18%;
  bottom: -60%;
  width: 58%;
  height: 120%;
  background: linear-gradient(90deg, transparent, rgba(127, 215, 255, .12));
  transform: skewX(-16deg);
  pointer-events: none;
}

.page-faq .faq-hero > * {
  position: relative;
  z-index: 1;
}

.page-faq .faq-hero h1 {
  margin: 12px 0 0;
  font-family: var(--font-head);
  font-size: clamp(29px, 5.4vw, 56px);
  font-weight: 800;
  line-height: 1.08;
  letter-spacing: -.02em;
  color: var(--mist);
  max-width: 20ch;
}

.page-faq .faq-hero__lead {
  margin: 16px 0 0;
  max-width: 62ch;
  font-size: clamp(15px, 1.6vw, 17px);
  line-height: 1.8;
  color: var(--faq-soft);
}

/* ---------- 三块快捷答案 ---------- */
.page-faq .quick {
  list-style: none;
  margin: clamp(22px, 3.4vw, 36px) 0 0;
  padding: 0;
  display: grid;
  gap: 12px;
}

.page-faq .quick__item {
  border-radius: var(--r-lg);
  padding: 18px 20px 20px;
  border: 1px solid var(--faq-line);
  background: var(--ink-3);
  transition: transform .25s var(--ease), border-color .25s var(--ease);
}

.page-faq .quick__item:hover {
  transform: translateY(-2px);
  border-color: rgba(0, 196, 106, .55);
}

.page-faq .quick__item--a {
  background: linear-gradient(150deg, rgba(0, 196, 106, .22), var(--ink-3) 74%);
  border-color: rgba(0, 196, 106, .42);
}

.page-faq .quick__item--b {
  background: linear-gradient(150deg, rgba(127, 215, 255, .14), var(--ink-3) 72%);
}

.page-faq .quick__item--c {
  background: linear-gradient(150deg, rgba(216, 255, 62, .16), var(--ink-3) 72%);
}

.page-faq .quick__label {
  margin: 0;
  font-size: 11px;
  letter-spacing: .14em;
  text-transform: uppercase;
  font-weight: 700;
  color: var(--stone);
}

.page-faq .quick__num {
  margin: 8px 0 0;
  font-family: var(--font-head);
  font-size: clamp(34px, 6.4vw, 54px);
  font-weight: 800;
  line-height: 1;
  letter-spacing: -.035em;
  color: var(--mist);
  display: flex;
  align-items: baseline;
  gap: 6px;
}

.page-faq .quick__item--a .quick__num { color: var(--green); }
.page-faq .quick__item--b .quick__num { color: var(--ice); }
.page-faq .quick__item--c .quick__num { color: var(--lime); }

.page-faq .quick__num--wide {
  font-size: clamp(24px, 4.4vw, 34px);
  letter-spacing: -.01em;
}

.page-faq .quick__unit {
  font-family: var(--font-body);
  font-size: 14px;
  font-weight: 600;
  letter-spacing: .02em;
  color: var(--faq-soft);
}

.page-faq .quick__text {
  margin: 12px 0 0;
  font-size: 14px;
  line-height: 1.75;
  color: var(--faq-soft);
}

/* ---------- 顶部胶囊快捷跳转 ---------- */
.page-faq .faq-jump {
  display: flex;
  gap: 8px;
  margin-top: clamp(20px, 3vw, 28px);
  padding: 2px 0 8px;
  overflow-x: auto;
  scrollbar-width: none;
}

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

.page-faq .faq-jump a {
  flex: 0 0 auto;
  padding: 8px 16px;
  border-radius: var(--r-pill);
  border: 1px solid var(--line);
  font-size: 13.5px;
  font-weight: 600;
  color: var(--mist);
  text-decoration: none;
  transition: border-color .22s var(--ease), color .22s var(--ease), background .22s var(--ease);
}

.page-faq .faq-jump a:hover,
.page-faq .faq-jump a:focus-visible {
  border-color: var(--green);
  background: rgba(0, 196, 106, .14);
  color: var(--green);
}

/* ---------- 双列主体 ---------- */
.page-faq .faq-body {
  display: grid;
  gap: var(--faq-gap);
  margin-top: clamp(28px, 4vw, 52px);
}

/* ---------- 左侧分类索引 ---------- */
.page-faq .faq-rail {
  display: grid;
  gap: 12px;
  align-content: start;
}

.page-faq .faq-rail__caption {
  margin: 0;
  font-size: 11px;
  letter-spacing: .14em;
  text-transform: uppercase;
  font-weight: 700;
  color: var(--stone);
}

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

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

.page-faq .faq-rail__link {
  display: flex;
  align-items: baseline;
  gap: 9px;
  flex: 0 0 auto;
  padding: 9px 14px;
  border-radius: var(--r-pill);
  border: 1px solid var(--faq-line);
  background: var(--ink-2);
  color: var(--mist);
  text-decoration: none;
  white-space: nowrap;
  transition: border-color .22s var(--ease), background .22s var(--ease), box-shadow .22s var(--ease);
}

.page-faq .faq-rail__link:hover,
.page-faq .faq-rail__link:focus-visible {
  border-color: var(--green);
  background: rgba(0, 196, 106, .12);
  box-shadow: inset 3px 0 0 var(--green);
}

.page-faq .faq-rail__num {
  font-family: var(--font-head);
  font-size: 12px;
  font-weight: 800;
  letter-spacing: .04em;
  color: var(--green);
}

.page-faq .faq-rail__name {
  font-size: 13.5px;
  font-weight: 600;
}

.page-faq .faq-rail__count {
  font-size: 11px;
  font-weight: 700;
  color: var(--stone);
  opacity: .5;
  transition: opacity .22s var(--ease), color .22s var(--ease);
}

.page-faq .faq-rail__link:hover .faq-rail__count,
.page-faq .faq-rail__link:focus-visible .faq-rail__count {
  opacity: 1;
  color: var(--lime);
}

.page-faq .faq-rail__note {
  margin: 0;
  font-size: 13px;
  line-height: 1.75;
  color: var(--stone);
}

.page-faq .faq-rail__cta {
  justify-self: start;
  margin-top: 2px;
}

/* ---------- 问答区 ---------- */
.page-faq .faq-sec {
  scroll-margin-top: calc(var(--strip-h) + 20px);
}

.page-faq .faq-sec + .faq-sec {
  margin-top: clamp(38px, 5.4vw, 68px);
}

.page-faq .faq-sec__head {
  display: grid;
  gap: 6px;
  margin-bottom: 16px;
  padding-left: 14px;
  border-left: 2px solid var(--faq-line);
}

.page-faq .faq-sec:target .faq-sec__head {
  border-left-color: var(--lime);
}

.page-faq .faq-sec__kicker {
  margin: 0;
  font-size: 11px;
  letter-spacing: .16em;
  text-transform: uppercase;
  font-weight: 700;
  color: var(--green);
}

.page-faq .faq-sec h2 {
  margin: 0;
  font-family: var(--font-head);
  font-size: clamp(21px, 3.2vw, 31px);
  font-weight: 800;
  line-height: 1.22;
  letter-spacing: -.015em;
  color: var(--mist);
}

.page-faq .faq-sec__lead {
  margin: 0;
  max-width: 56ch;
  font-size: 14.5px;
  line-height: 1.8;
  color: var(--faq-soft);
}

/* ---------- 手风琴 ---------- */
.page-faq .faq-item {
  border-radius: var(--r-lg);
  border: 1px solid var(--faq-line);
  border-left: 3px solid rgba(0, 196, 106, .3);
  background: var(--ink-2);
  overflow: hidden;
  transition: border-color .25s var(--ease), background .25s var(--ease), box-shadow .25s var(--ease);
}

.page-faq .faq-item + .faq-item {
  margin-top: 10px;
}

.page-faq .faq-item:hover {
  border-color: rgba(0, 196, 106, .5);
  border-left-color: var(--green);
}

.page-faq .faq-item[open] {
  border-left-color: var(--green);
  background: linear-gradient(150deg, rgba(0, 196, 106, .1), var(--ink-2) 62%);
  box-shadow: var(--glow);
}

.page-faq .faq-item summary {
  position: relative;
  padding: 15px 46px 15px 16px;
  font-size: 15.5px;
  font-weight: 600;
  line-height: 1.55;
  color: var(--mist);
  cursor: pointer;
  list-style: none;
}

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

.page-faq .faq-item summary::after {
  content: "";
  position: absolute;
  right: 18px;
  top: 50%;
  width: 9px;
  height: 9px;
  border-right: 2px solid var(--green);
  border-bottom: 2px solid var(--green);
  transform: translateY(-70%) rotate(45deg);
  transition: transform .25s var(--ease);
}

.page-faq .faq-item[open] summary::after {
  transform: translateY(-25%) rotate(-135deg);
}

.page-faq .faq-item__body {
  padding: 0 16px 18px;
}

.page-faq .faq-item__body p {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.8;
  color: var(--faq-soft);
}

.page-faq .faq-item__body a {
  color: var(--ice);
  text-decoration: none;
  border-bottom: 1px solid rgba(127, 215, 255, .45);
  transition: color .22s var(--ease), border-color .22s var(--ease);
}

.page-faq .faq-item__body a:hover,
.page-faq .faq-item__body a:focus-visible {
  color: var(--green);
  border-bottom-color: var(--green);
}

/* ---------- 配图 ---------- */
.page-faq .faq-figure {
  margin: 18px 0 0;
  border-radius: var(--r-lg);
  border: 1px solid var(--faq-line);
  background: var(--ink-3);
  overflow: hidden;
}

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

.page-faq .faq-figure--tall {
  margin: 18px 0 0;
  max-width: 320px;
}

/* ---------- 联系区两列 ---------- */
.page-faq .faq-contact {
  display: grid;
  gap: var(--faq-gap);
  align-items: start;
}

/* ---------- 媒体查询 ---------- */
@media (min-width: 700px) {
  .page-faq .quick {
    grid-template-columns: 1.15fr 0.95fr 1.2fr;
    align-items: start;
  }

  .page-faq .quick__item--b {
    margin-top: 22px;
  }

  .page-faq .faq-item summary {
    padding: 16px 52px 16px 20px;
    font-size: 16px;
  }

  .page-faq .faq-item__body {
    padding: 0 20px 20px;
  }

  .page-faq .faq-figure {
    margin-top: 22px;
  }
}

@media (min-width: 960px) {
  .page-faq .faq-body {
    grid-template-columns: 258px minmax(0, 1fr);
    align-items: start;
    gap: clamp(28px, 4vw, 60px);
  }

  .page-faq .faq-rail {
    position: sticky;
    top: calc(var(--strip-h) + 20px);
    gap: 14px;
  }

  .page-faq .faq-rail__list {
    display: grid;
    gap: 6px;
    overflow: visible;
  }

  .page-faq .faq-rail__link {
    border-radius: var(--r-sm);
    padding: 11px 13px;
    border-color: transparent;
    background: transparent;
    white-space: normal;
  }

  .page-faq .faq-rail__link:hover,
  .page-faq .faq-rail__link:focus-visible {
    border-color: var(--faq-line);
    background: var(--ink-2);
  }

  .page-faq .faq-rail__name {
    flex: 1 1 auto;
  }

  .page-faq .faq-contact {
    grid-template-columns: minmax(0, 1fr) 240px;
    gap: clamp(20px, 3vw, 34px);
  }

  .page-faq .faq-contact .faq-figure--tall {
    margin-top: 0;
    max-width: none;
  }
}

@media (min-width: 1280px) {
  .page-faq .faq-hero h1 {
    max-width: 17ch;
  }

  .page-faq .faq-contact {
    grid-template-columns: minmax(0, 1fr) 280px;
  }
}