.page-faq {
  --faq-read: 760px;
  --faq-line: rgba(10, 26, 43, 0.12);
  background: var(--as-cream);
  color: var(--as-deep);
  overflow-x: hidden;
}

/* ---------- 首屏标题带 ---------- */
.page-faq .faq-hero {
  position: relative;
  padding: clamp(92px, 13vh, 152px) 0 clamp(44px, 7vh, 80px);
  background:
    radial-gradient(110% 85% at 88% 8%, rgba(255, 107, 44, 0.26) 0%, rgba(255, 107, 44, 0) 58%),
    radial-gradient(95% 80% at 6% 100%, rgba(30, 122, 78, 0.38) 0%, rgba(30, 122, 78, 0) 62%),
    linear-gradient(158deg, var(--as-night) 0%, var(--as-deep) 100%);
  color: var(--as-white);
  overflow: hidden;
}

.page-faq .faq-hero__grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(28px, 5vw, 56px);
  align-items: end;
  position: relative;
  z-index: 2;
}

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

.page-faq .faq-breadcrumb {
  color: rgba(244, 241, 232, 0.62);
  margin-bottom: clamp(20px, 3vh, 32px);
}

.page-faq .faq-breadcrumb a {
  color: rgba(244, 241, 232, 0.82);
}

.page-faq .faq-breadcrumb a:hover {
  color: var(--as-amber);
}

.page-faq .faq-hero__kicker {
  color: var(--as-amber);
  border-color: rgba(255, 194, 75, 0.42);
  margin-bottom: 14px;
}

.page-faq .faq-hero__title {
  font-size: clamp(32px, 7.2vw, 74px);
  line-height: 1.06;
  letter-spacing: -0.02em;
  font-weight: 900;
  color: var(--as-white);
  max-width: 15ch;
  margin: 0 0 clamp(18px, 3vh, 28px);
  overflow-wrap: anywhere;
}

.page-faq .faq-hero__lede {
  max-width: 46ch;
  color: rgba(244, 241, 232, 0.84);
  font-size: clamp(16px, 1.5vw, 18px);
  line-height: 1.75;
  margin: 0 0 18px;
}

.page-faq .faq-hero__hint {
  color: rgba(255, 194, 75, 0.85);
  font-size: 13px;
  letter-spacing: 0.06em;
  margin: 0;
}

.page-faq .faq-hero__media {
  margin: 0;
  border-radius: var(--as-radius-l);
  overflow: hidden;
  border: 1px solid rgba(244, 241, 232, 0.18);
}

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

.page-faq .faq-hero__slash {
  position: absolute;
  right: -8%;
  bottom: -34px;
  width: 62%;
  height: 90px;
  background: linear-gradient(90deg, rgba(255, 107, 44, 0) 0%, rgba(255, 107, 44, 0.5) 70%, rgba(184, 82, 43, 0.7) 100%);
  transform: skewY(var(--as-skew));
  pointer-events: none;
}

/* ---------- 主体骨架 ---------- */
.page-faq .faq-body {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(28px, 4vw, 56px);
  padding: clamp(44px, 7vh, 84px) 0 clamp(60px, 10vh, 120px);
}

.page-faq .faq-stream {
  min-width: 0;
  max-width: var(--faq-read);
}

/* ---------- 分组带状色块 ---------- */
.page-faq .faq-group {
  scroll-margin-top: calc(var(--as-header-h) + 28px);
  margin-bottom: clamp(40px, 7vh, 76px);
}

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

.page-faq .faq-band {
  position: relative;
  display: flex;
  align-items: baseline;
  gap: 14px;
  padding: 14px 18px;
  border-radius: var(--as-radius-s);
  background: linear-gradient(96deg, var(--as-grass) 0%, var(--as-grass-deep) 78%, var(--as-deep) 100%);
  color: var(--as-white);
  overflow: hidden;
  margin-bottom: 16px;
}

.page-faq .faq-band::after {
  content: "";
  position: absolute;
  top: 0;
  right: 0;
  width: 74px;
  height: 100%;
  background: linear-gradient(90deg, rgba(255, 107, 44, 0) 0%, rgba(255, 107, 44, 0.55) 100%);
  transform: skewX(-24deg) translateX(16px);
  pointer-events: none;
}

.page-faq .faq-band__no {
  font-size: 13px;
  letter-spacing: 0.12em;
  color: var(--as-amber);
}

.page-faq .faq-band__title {
  margin: 0;
  font-size: clamp(20px, 2.4vw, 26px);
  font-weight: 900;
  letter-spacing: 0.01em;
  color: var(--as-white);
}

.page-faq .faq-group:target .faq-band {
  box-shadow: 0 0 0 3px rgba(255, 107, 44, 0.4);
}

/* ---------- 问题手风琴 ---------- */
.page-faq .faq-item {
  border-left: 3px solid transparent;
  border-bottom: 1px solid var(--faq-line);
  transition: border-color 0.22s var(--as-ease), background-color 0.22s var(--as-ease);
}

.page-faq .faq-item[open] {
  border-left-color: var(--as-grass);
  background: rgba(255, 255, 255, 0.6);
}

.page-faq .faq-item summary {
  list-style: none;
  cursor: pointer;
  display: flex;
  align-items: flex-start;
  gap: 14px;
  padding: 18px 6px 18px 16px;
  font-family: var(--as-font-head);
  font-weight: 800;
  font-size: clamp(16px, 1.6vw, 19px);
  line-height: 1.52;
  color: var(--as-deep);
  transition: color 0.2s var(--as-ease);
}

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

.page-faq .faq-item summary::after {
  content: "+";
  flex: none;
  margin-left: auto;
  font-family: var(--as-font-mono);
  font-size: 19px;
  line-height: 1.1;
  color: var(--as-orange);
  transition: transform 0.22s var(--as-ease);
}

.page-faq .faq-item[open] summary::after {
  content: "–";
  transform: translateY(-1px);
}

.page-faq .faq-item[open] summary {
  color: var(--as-grass-deep);
}

.page-faq .faq-item summary:hover {
  color: var(--as-clay);
}

.page-faq .faq-answer {
  padding: 0 6px 22px 16px;
  animation: faq-fade 0.22s var(--as-ease) both;
}

@keyframes faq-fade {
  from { opacity: 0; }
  to { opacity: 1; }
}

.page-faq .faq-answer p {
  margin: 0 0 10px;
  font-size: 16px;
  line-height: 1.78;
  color: rgba(10, 26, 43, 0.82);
  max-width: 62ch;
}

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

.page-faq .faq-answer a {
  color: var(--as-grass-deep);
  font-weight: 700;
  text-decoration: none;
  border-bottom: 2px solid rgba(30, 122, 78, 0.35);
  transition: border-color 0.2s var(--as-ease), color 0.2s var(--as-ease);
}

.page-faq .faq-answer a:hover {
  color: var(--as-clay);
  border-bottom-color: var(--as-orange);
}

.page-faq mark {
  background: linear-gradient(180deg, rgba(255, 194, 75, 0) 52%, rgba(255, 194, 75, 0.55) 52%);
  color: inherit;
  font-family: var(--as-font-mono);
  font-weight: 700;
  font-variant-numeric: tabular-nums;
  padding: 0 2px;
  border-radius: 2px;
}

/* ---------- 客户端配图 ---------- */
.page-faq .faq-client__media {
  margin: 0 0 22px;
  max-width: 340px;
  border-radius: var(--as-radius-m);
  overflow: hidden;
  border: 1px solid rgba(30, 122, 78, 0.22);
  background: var(--as-white);
}

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

.page-faq .faq-client__media .as-media__caption {
  display: block;
  padding: 10px 14px 12px;
  font-size: 13px;
  line-height: 1.6;
  color: var(--as-rock);
}

/* ---------- 联系分组深色面板 ---------- */
.page-faq .faq-group--support {
  background: linear-gradient(155deg, var(--as-deep) 0%, var(--as-night) 100%);
  border-radius: var(--as-radius-l);
  padding: clamp(26px, 4vw, 44px);
  color: var(--as-white);
}

.page-faq .faq-group--support .faq-band {
  background: linear-gradient(96deg, var(--as-clay) 0%, var(--as-orange) 100%);
}

.page-faq .faq-group--support .faq-item {
  border-bottom-color: rgba(244, 241, 232, 0.18);
}

.page-faq .faq-group--support .faq-item[open] {
  background: rgba(255, 255, 255, 0.05);
  border-left-color: var(--as-amber);
}

.page-faq .faq-group--support .faq-item summary {
  color: var(--as-white);
}

.page-faq .faq-group--support .faq-item[open] summary,
.page-faq .faq-group--support .faq-item summary:hover {
  color: var(--as-amber);
}

.page-faq .faq-group--support .faq-answer p {
  color: rgba(244, 241, 232, 0.84);
}

.page-faq .faq-group--support .faq-answer a {
  color: var(--as-amber);
  border-bottom-color: rgba(255, 194, 75, 0.45);
}

.page-faq .faq-group--support .faq-answer a:hover {
  color: var(--as-white);
  border-bottom-color: var(--as-white);
}

.page-faq .faq-group--support mark {
  background: rgba(255, 194, 75, 0.22);
  color: var(--as-amber);
}

.page-faq .faq-copy-row {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 12px;
  margin-top: 6px;
}

.page-faq .faq-copy {
  cursor: pointer;
}

.page-faq .faq-copy__note {
  font-size: 13px;
  color: rgba(244, 241, 232, 0.68);
  overflow-wrap: anywhere;
}

/* ---------- 右侧目录 ---------- */
.page-faq .faq-toc {
  align-self: start;
  padding: 20px 18px 22px;
  border-radius: var(--as-radius-m);
  background: var(--as-white);
  border: 1px solid rgba(140, 145, 140, 0.28);
  border-top: 4px solid var(--as-grass);
}

.page-faq .faq-toc__title {
  margin: 0 0 14px;
  font-size: 12px;
  letter-spacing: 0.14em;
  color: var(--as-rock);
}

.page-faq .faq-toc__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.page-faq .faq-toc__list a {
  display: flex;
  align-items: baseline;
  gap: 10px;
  padding: 9px 8px;
  border-radius: var(--as-radius-s);
  font-size: 14.5px;
  font-weight: 700;
  color: var(--as-deep);
  text-decoration: none;
  border-left: 3px solid transparent;
  transition: background-color 0.2s var(--as-ease), border-color 0.2s var(--as-ease), color 0.2s var(--as-ease);
}

.page-faq .faq-toc__list a span {
  font-size: 12px;
  color: var(--as-rock);
}

.page-faq .faq-toc__list a:hover {
  background: rgba(30, 122, 78, 0.09);
  border-left-color: var(--as-orange);
  color: var(--as-grass-deep);
}

.page-faq .faq-toc__list a:hover span {
  color: var(--as-clay);
}

/* ---------- 响应式 ---------- */
@media (max-width: 899px) {
  .page-faq .faq-hero__media {
    max-width: 520px;
  }

  .page-faq .faq-hero__slash {
    width: 84%;
    height: 64px;
    bottom: -24px;
  }

  .page-faq .faq-toc {
    border-top-width: 3px;
    padding: 16px 14px 18px;
  }

  .page-faq .faq-toc__list {
    flex-direction: row;
    flex-wrap: wrap;
    gap: 8px;
  }

  .page-faq .faq-toc__list li {
    flex: 1 1 150px;
  }

  .page-faq .faq-toc__list a {
    border-left: none;
    border-bottom: 3px solid transparent;
    padding: 8px 10px;
    background: rgba(30, 122, 78, 0.07);
  }

  .page-faq .faq-toc__list a:hover {
    border-left: none;
    border-bottom-color: var(--as-orange);
  }
}

@media (min-width: 900px) {
  .page-faq .faq-hero__grid {
    grid-template-columns: minmax(0, 1.4fr) minmax(0, 1fr);
  }

  .page-faq .faq-body {
    grid-template-columns: minmax(0, 1fr) 250px;
  }

  .page-faq .faq-toc {
    position: sticky;
    top: calc(var(--as-header-h) + 22px);
  }

  .page-faq .faq-client__media {
    float: right;
    margin: 0 0 18px 28px;
    max-width: 300px;
  }
}

@media (min-width: 1180px) {
  .page-faq .faq-hero__title {
    font-size: clamp(56px, 5.6vw, 82px);
  }

  .page-faq .faq-body {
    grid-template-columns: minmax(0, 1fr) 268px;
  }
}