.page-faq {
  --faq-gap: clamp(16px, 3vw, 26px);
  --faq-ink-soft: rgba(33, 37, 41, .74);
  display: block;
}

/* ---------- 首屏 ---------- */
.page-faq .faq-hero {
  padding: clamp(20px, 4vw, 34px) 0 clamp(38px, 6vw, 68px);
  background:
    radial-gradient(120% 96% at 88% 0%, rgba(0, 194, 168, .16), transparent 62%),
    linear-gradient(180deg, var(--surface-muted), var(--white));
  border-bottom: 1px solid var(--line);
  overflow: hidden;
}

.page-faq .faq-hero-split {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(26px, 4vw, 48px);
  align-items: center;
  margin-top: clamp(16px, 3vw, 30px);
}

.page-faq .faq-hero-copy h1 {
  margin: 12px 0 0;
  font-size: clamp(32px, 5.6vw, 60px);
  line-height: 1.12;
  letter-spacing: -.02em;
  color: var(--green);
}

.page-faq .faq-hero-copy .lead {
  margin-top: 18px;
  max-width: 62ch;
  color: var(--faq-ink-soft);
}

.page-faq .faq-hero-jump {
  margin-top: 24px;
}

.page-faq .faq-hero-copy a.pill {
  text-decoration: none;
}

.page-faq .faq-hero-media {
  margin: 0;
  min-width: 0;
}

.page-faq .faq-hero-media .media {
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-lift);
}

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

.page-faq .faq-hero-media .media-caption {
  margin-top: 10px;
}

/* ---------- 快速解答 ---------- */
.page-faq .faq-quick {
  padding: clamp(42px, 7vw, 82px) 0 clamp(30px, 5vw, 56px);
}

.page-faq .faq-quick-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: var(--faq-gap);
  margin-top: clamp(20px, 3vw, 34px);
}

.page-faq .faq-quick-card {
  position: relative;
  display: block;
  padding: 24px 22px 22px 28px;
  border-radius: var(--radius-md);
  text-decoration: none;
  color: inherit;
  overflow: hidden;
  transition: transform .32s var(--ease), box-shadow .32s var(--ease);
}

.page-faq .faq-quick-card::before {
  content: "";
  position: absolute;
  left: 0;
  top: 20px;
  bottom: 20px;
  width: 4px;
  border-radius: var(--radius-pill);
  background: var(--orange);
  transition: bottom .32s var(--ease), top .32s var(--ease);
}

.page-faq .faq-quick-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-soft);
}

.page-faq .faq-quick-card:hover::before {
  top: 12px;
  bottom: 12px;
}

.page-faq .faq-quick-tag {
  display: inline-block;
  font-size: 12px;
  letter-spacing: .14em;
  color: var(--orange);
}

.page-faq .faq-quick-q {
  margin: 10px 0 8px;
  font-size: clamp(17px, 2vw, 20px);
  line-height: 1.4;
  color: var(--green);
}

.page-faq .faq-quick-text {
  margin: 0 0 14px;
  font-size: 15px;
  line-height: 1.7;
  color: var(--faq-ink-soft);
}

.page-faq .faq-quick-go {
  display: inline-block;
  font-size: 13px;
  font-weight: 700;
  color: var(--green-soft);
}

/* ---------- 问答主体 ---------- */
.page-faq .faq-body {
  padding: clamp(42px, 7vw, 84px) 0;
}

.page-faq .faq-layout > * {
  min-width: 0;
}

.page-faq .faq-rail {
  background: linear-gradient(165deg, var(--green), var(--green-deep));
  color: var(--white);
  border-radius: var(--radius-lg);
  padding: 20px;
  box-shadow: var(--shadow-soft);
  margin-bottom: clamp(24px, 4vw, 34px);
}

.page-faq .faq-rail .rail-title {
  margin: 0 0 14px;
  font-size: 12px;
  letter-spacing: .16em;
  text-transform: uppercase;
  color: rgba(255, 255, 255, .62);
}

.page-faq .faq-rail .rail-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 8px;
}

.page-faq .faq-rail .rail-link {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 10px 14px;
  border-radius: var(--radius-pill);
  font-size: 15px;
  font-weight: 600;
  color: rgba(255, 255, 255, .84);
  text-decoration: none;
  transition: background .28s var(--ease), color .28s var(--ease);
}

.page-faq .faq-rail .rail-link::before {
  content: attr(data-step);
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--orange);
}

.page-faq .faq-rail .rail-link:hover,
.page-faq .faq-rail .rail-link:focus-visible,
.page-faq .faq-rail .rail-link.is-active,
.page-faq .faq-rail .rail-link[aria-current="true"] {
  background: rgba(255, 255, 255, .12);
  color: var(--white);
}

.page-faq .faq-rail .rail-foot {
  margin-top: 18px;
  padding-top: 16px;
  border-top: 1px solid var(--line-invert);
}

.page-faq .faq-rail .rail-foot p {
  margin: 0;
  font-size: 13px;
  line-height: 1.7;
  color: rgba(255, 255, 255, .6);
}

.page-faq .faq-groups {
  display: flex;
  flex-direction: column;
  gap: clamp(30px, 4.5vw, 48px);
  min-width: 0;
}

.page-faq .faq-group {
  scroll-margin-top: calc(var(--header-h) + 20px);
  min-width: 0;
}

.page-faq .faq-group-head {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 12px;
  margin-bottom: 16px;
}

.page-faq .faq-group-index {
  display: inline-block;
  padding: 4px 12px;
  border-radius: var(--radius-pill);
  border: 1px solid var(--line);
  background: var(--white);
  font-size: 12px;
  letter-spacing: .1em;
  color: var(--green-soft);
}

.page-faq .faq-group-title {
  margin: 0;
  flex: 1 1 240px;
  font-size: clamp(20px, 2.8vw, 28px);
  line-height: 1.3;
  color: var(--green);
}

.page-faq .faq-figure {
  margin: 0 0 18px;
}

.page-faq .faq-media {
  border-radius: var(--radius-lg);
  overflow: hidden;
  border: 1px solid var(--line);
}

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

.page-faq .faq-figure .media-caption {
  margin-top: 10px;
}

.page-faq .faq-list {
  display: grid;
  gap: 12px;
}

.page-faq .faq-item {
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  overflow: hidden;
  transition: border-color .3s var(--ease), box-shadow .3s var(--ease);
}

.page-faq .faq-item[open] {
  border-color: rgba(255, 107, 53, .5);
  box-shadow: 0 26px 52px -36px rgba(6, 38, 28, .62);
}

.page-faq .faq-q {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr) auto;
  align-items: center;
  gap: 14px;
  padding: 18px 20px;
  cursor: pointer;
  list-style: none;
  font-weight: 700;
}

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

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

.page-faq .faq-num {
  align-self: start;
  padding: 4px 9px;
  border-radius: var(--radius-pill);
  background: var(--surface-muted);
  font-size: 12px;
  font-weight: 700;
  color: var(--green);
  transition: background .3s var(--ease), color .3s var(--ease);
}

.page-faq .faq-item[open] .faq-num {
  background: var(--orange);
  color: var(--white);
}

.page-faq .faq-q-text {
  font-size: clamp(15.5px, 1.8vw, 17.5px);
  line-height: 1.5;
  color: var(--green);
}

.page-faq .faq-sign {
  position: relative;
  flex: none;
  width: 20px;
  height: 20px;
}

.page-faq .faq-sign::before,
.page-faq .faq-sign::after {
  content: "";
  position: absolute;
  background: var(--green-soft);
  border-radius: 2px;
  transition: transform .3s var(--ease), background .3s var(--ease);
}

.page-faq .faq-sign::before {
  left: 0;
  right: 0;
  top: 50%;
  height: 2px;
  transform: translateY(-50%);
}

.page-faq .faq-sign::after {
  top: 0;
  bottom: 0;
  left: 50%;
  width: 2px;
  transform: translateX(-50%);
}

.page-faq .faq-item[open] .faq-sign::before {
  background: var(--orange);
}

.page-faq .faq-item[open] .faq-sign::after {
  transform: translateX(-50%) scaleY(0);
}

.page-faq .faq-a {
  margin: 0 20px;
  padding: 16px 0 20px;
  border-top: 1px dashed var(--line);
}

.page-faq .faq-item[open] .faq-a {
  animation: faqFade .34s var(--ease) both;
}

.page-faq .faq-a p {
  margin: 0 0 12px;
  font-size: 15.5px;
  line-height: 1.8;
  color: var(--faq-ink-soft);
}

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

.page-faq .faq-a-link a {
  text-decoration: none;
}

@keyframes faqFade {
  from {
    opacity: 0;
    transform: translateY(-6px);
  }
  to {
    opacity: 1;
    transform: none;
  }
}

/* ---------- 联系卡片 ---------- */
.page-faq .faq-contact {
  margin-top: 18px;
  padding: 24px 22px;
  border-radius: var(--radius-lg);
  border-left: 4px solid var(--orange);
}

.page-faq .faq-contact-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 16px;
}

.page-faq .faq-contact-label {
  margin: 0 0 4px;
  font-size: 12px;
  letter-spacing: .12em;
  text-transform: uppercase;
  color: var(--muted);
}

.page-faq .faq-contact-value {
  margin: 0;
  font-size: 15px;
  line-height: 1.6;
  color: var(--ink);
  word-break: break-word;
}

.page-faq .faq-contact-actions {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 12px;
  margin-top: 20px;
  padding-top: 18px;
  border-top: 1px solid var(--line);
}

.page-faq .faq-contact-actions a,
.page-faq .faq-contact-actions button {
  text-decoration: none;
}

.page-faq .faq-contact-actions .copy-hint {
  font-size: 13px;
  color: var(--green-soft);
}

/* ---------- 收尾 ---------- */
.page-faq .faq-cta {
  padding: 0 0 clamp(48px, 7vw, 84px);
}

.page-faq .faq-cta-box {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 22px;
  align-items: center;
  padding: clamp(26px, 4vw, 44px);
  border-radius: var(--radius-lg);
  background:
    radial-gradient(90% 140% at 100% 0%, rgba(255, 107, 53, .26), transparent 58%),
    linear-gradient(150deg, var(--green), var(--green-deep));
  color: var(--white);
  box-shadow: var(--shadow-lift);
}

.page-faq .faq-cta-title {
  margin: 0 0 10px;
  font-size: clamp(22px, 3.2vw, 34px);
  line-height: 1.25;
  color: var(--white);
}

.page-faq .faq-cta-text {
  margin: 0;
  font-size: 15.5px;
  line-height: 1.8;
  color: rgba(255, 255, 255, .78);
}

.page-faq .faq-cta-text a {
  color: var(--cyan);
  text-decoration: underline;
  text-underline-offset: 3px;
}

.page-faq .faq-cta-actions a {
  text-decoration: none;
}

/* ---------- 响应式 ---------- */
@media (min-width: 620px) {
  .page-faq .faq-quick-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .page-faq .faq-contact-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (min-width: 900px) {
  .page-faq .faq-hero-split {
    grid-template-columns: minmax(0, 1.05fr) minmax(0, .95fr);
  }

  .page-faq .faq-cta-box {
    grid-template-columns: minmax(0, 1.6fr) auto;
  }

  .page-faq .faq-cta-actions {
    justify-content: flex-end;
  }
}

@media (min-width: 1000px) {
  .page-faq .faq-rail {
    position: sticky;
    top: calc(var(--header-h) + 20px);
    align-self: start;
    margin-bottom: 0;
  }

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

  .page-faq .faq-contact-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (min-width: 1200px) {
  .page-faq .faq-contact-grid {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-faq .faq-quick-card,
  .page-faq .faq-quick-card::before,
  .page-faq .faq-item,
  .page-faq .faq-sign::before,
  .page-faq .faq-sign::after,
  .page-faq .faq-num {
    transition: none;
  }

  .page-faq .faq-item[open] .faq-a {
    animation: none;
  }

  .page-faq .faq-quick-card:hover {
    transform: none;
  }
}