/* =========================================================
   答疑中心 /answers/
   ========================================================= */

.page-faq {
  --faq-cut: 16px;
  --faq-line: rgba(58, 107, 96, .5);
  --faq-line-soft: rgba(58, 107, 96, .22);
  display: block;
}

/* ---------- 首屏框景 ---------- */
.page-faq .faq-hero {
  padding-top: clamp(12px, 2.4vw, 24px);
}

.page-faq .faq-hero .crumbs {
  margin-bottom: 14px;
}

.page-faq .hero-frame {
  position: relative;
  padding: clamp(20px, 3vw, 42px);
  border: 1px solid transparent;
  background:
    linear-gradient(180deg, rgba(18, 58, 47, .94) 0%, rgba(11, 42, 34, .97) 100%) padding-box,
    linear-gradient(155deg, rgba(127, 216, 255, .5) 0%, rgba(58, 107, 96, .34) 46%, rgba(58, 107, 96, .1) 100%) border-box;
  clip-path: polygon(0 var(--faq-cut), var(--faq-cut) 0, 100% 0, 100% calc(100% - var(--faq-cut)), calc(100% - var(--faq-cut)) 100%, 0 100%);
}

.page-faq .hero-frame::before {
  content: "";
  position: absolute;
  top: 0;
  left: var(--faq-cut);
  right: 0;
  height: 6px;
  background: repeating-linear-gradient(90deg, rgba(127, 216, 255, .5) 0 1px, transparent 1px 26px);
  opacity: .7;
  pointer-events: none;
}

.page-faq .hero-frame::after {
  content: "";
  position: absolute;
  left: 0;
  right: 34%;
  bottom: 0;
  height: 1px;
  background: linear-gradient(90deg, var(--ice), transparent);
  opacity: .5;
  pointer-events: none;
}

.page-faq .hero-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 18px;
  margin: 0 0 clamp(18px, 2.4vw, 28px);
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .18em;
  text-transform: uppercase;
  color: var(--sage);
}

.page-faq .hero-meta .mono {
  color: var(--ice);
}

.page-faq .hero-grid {
  display: grid;
  gap: 26px;
}

.page-faq .hero-kicker {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  margin: 0 0 14px;
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 500;
  letter-spacing: .26em;
  color: var(--ice);
}

.page-faq .hero-kicker::before {
  content: "";
  width: 26px;
  height: 2px;
  background: var(--track);
}

.page-faq .hero-frame h1 {
  margin: 0 0 18px;
  max-width: 18em;
  font-family: var(--font-display);
  font-size: clamp(29px, 5.1vw, 58px);
  font-weight: 900;
  line-height: 1.06;
  letter-spacing: -.02em;
  color: var(--mist);
}

.page-faq .hero-lead {
  margin: 0;
  max-width: 34em;
  font-size: 17px;
  line-height: 1.75;
  color: var(--sage);
}

.page-faq .hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 26px;
}

.page-faq .hero-figure {
  margin: 0;
  position: relative;
}

.page-faq .hero-figure img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 12 / 7;
  object-fit: cover;
  filter: saturate(.92) contrast(1.04);
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - 22px), calc(100% - 22px) 100%, 0 100%);
}

.page-faq .hero-figure .figure__caption {
  margin-top: 10px;
  font-family: var(--font-mono);
  font-size: 12px;
  line-height: 1.6;
  color: var(--sage);
}

.page-faq .hero-kpis {
  list-style: none;
  margin: clamp(24px, 3vw, 38px) 0 0;
  padding: clamp(18px, 2vw, 24px) 0 0;
  border-top: 1px solid var(--faq-line);
  display: flex;
  gap: 0;
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
  scrollbar-width: thin;
}

.page-faq .hero-kpis > li {
  flex: 0 0 auto;
  min-width: 152px;
  padding-right: 26px;
}

.page-faq .hero-kpis > li + li {
  padding-left: 26px;
  border-left: 1px dashed var(--faq-line-soft);
}

.page-faq .hstat__num {
  display: block;
  line-height: 1.1;
}

.page-faq .hstat__v {
  font-family: var(--font-mono);
  font-size: clamp(22px, 2.6vw, 30px);
  font-weight: 700;
  color: var(--ice);
  font-variant-numeric: tabular-nums;
}

.page-faq .hstat__u {
  margin-left: 3px;
  font-size: 13px;
  color: var(--sage);
}

.page-faq .hstat__l {
  display: block;
  margin-top: 7px;
  font-size: 13px;
  line-height: 1.5;
  color: var(--sage);
}

/* ---------- 主体布局 ---------- */
.page-faq .faq-layout {
  display: grid;
  gap: 30px;
}

/* ---------- 左侧分类索引 ---------- */
.page-faq .faq-index {
  border: 1px solid var(--faq-line-soft);
  background: linear-gradient(180deg, rgba(18, 58, 47, .78), rgba(11, 42, 34, .5));
  padding: 16px;
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - var(--faq-cut)), calc(100% - var(--faq-cut)) 100%, 0 100%);
}

.page-faq .faq-index__eyebrow {
  margin: 0 0 14px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .28em;
  color: var(--ice);
}

.page-faq .faq-index__list {
  list-style: none;
  margin: 0;
  padding: 0 0 4px;
  display: flex;
  gap: 10px;
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
  scrollbar-width: thin;
}

.page-faq .faq-index__list > li {
  flex: 0 0 auto;
}

.page-faq .faq-index__link {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 9px 12px;
  border-left: 2px solid transparent;
  text-decoration: none;
  color: var(--mist);
  transition: background var(--speed) ease, border-color var(--speed) ease;
}

.page-faq .faq-index__link:hover,
.page-faq .faq-index__link:focus-visible {
  background: rgba(127, 216, 255, .08);
  border-left-color: var(--ice);
}

.page-faq .faq-index__ring {
  --pct: 60%;
  position: relative;
  flex: 0 0 auto;
  width: 34px;
  height: 34px;
  display: grid;
  place-items: center;
  border-radius: 50%;
  background: conic-gradient(var(--ice) 0 var(--pct), rgba(127, 216, 255, .13) var(--pct) 100%);
}

.page-faq .faq-index__ring::before {
  content: "";
  position: absolute;
  inset: 3px;
  border-radius: 50%;
  background: var(--pine-mid);
}

.page-faq .faq-index__ring span {
  position: relative;
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 700;
  color: var(--ice);
}

.page-faq .faq-index__list > li:nth-child(1) .faq-index__ring { --pct: 78%; }
.page-faq .faq-index__list > li:nth-child(2) .faq-index__ring { --pct: 72%; }
.page-faq .faq-index__list > li:nth-child(3) .faq-index__ring { --pct: 76%; }
.page-faq .faq-index__list > li:nth-child(4) .faq-index__ring { --pct: 92%; }
.page-faq .faq-index__list > li:nth-child(5) .faq-index__ring { --pct: 70%; }

.page-faq .faq-index__label {
  display: block;
}

.page-faq .faq-index__num {
  display: block;
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: .18em;
  color: var(--ice-deep);
}

.page-faq .faq-index__name {
  display: block;
  margin-top: 3px;
  font-size: 14px;
  line-height: 1.35;
  color: var(--mist);
  white-space: nowrap;
}

/* ---------- 章节 ---------- */
.page-faq .faq-cat {
  position: relative;
  scroll-margin-top: calc(var(--bar-h) + 24px);
}

.page-faq .faq-cat + .faq-cat {
  margin-top: clamp(34px, 5vw, 62px);
}

.page-faq .faq-cat + .faq-cat .sec-head {
  padding-top: clamp(22px, 3vw, 34px);
  border-top: 1px solid var(--faq-line-soft);
}

.page-faq .faq-cat .sec-head {
  margin-bottom: 18px;
}

.page-faq .faq-vnote {
  display: none;
}

/* ---------- 问答列表 ---------- */
.page-faq .faq-list {
  display: block;
}

.page-faq .faq-list > .accordion {
  border-left: 2px solid var(--faq-line-soft);
  background-color: transparent;
  transition: border-color var(--speed) ease, background-color var(--speed) ease;
}

.page-faq .faq-list > .accordion + .accordion {
  border-top: 1px solid var(--faq-line-soft);
}

.page-faq .faq-list > .accordion:hover {
  border-left-color: var(--ice-deep);
}

.page-faq .faq-list > .accordion:has(.accordion__panel.is-open) {
  border-left-color: var(--ice);
  background-color: rgba(127, 216, 255, .05);
}

.page-faq .faq-qhead {
  margin: 0;
  font-size: inherit;
  font-weight: inherit;
}

.page-faq .accordion__btn {
  width: 100%;
  margin: 0;
  display: grid;
  grid-template-columns: auto minmax(0, 1fr) auto;
  align-items: start;
  gap: 14px;
  padding: 17px 16px 17px 14px;
  border: 0;
  background: transparent;
  text-align: left;
  color: var(--mist);
  font-family: var(--font-body);
  font-size: 17px;
  line-height: 1.55;
  cursor: pointer;
  transition: color var(--speed) ease;
}

.page-faq .accordion__btn:hover {
  color: var(--ice);
}

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

.page-faq .accordion__idx {
  padding-top: 4px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .08em;
  color: var(--ice-deep);
  font-variant-numeric: tabular-nums;
  transition: color var(--speed) ease;
}

.page-faq .faq-list > .accordion:has(.accordion__panel.is-open) .accordion__idx {
  color: var(--ice);
}

.page-faq .faq-qtext {
  display: block;
  min-width: 0;
}

.page-faq .accordion__sign {
  position: relative;
  flex: 0 0 auto;
  width: 16px;
  height: 16px;
  margin-top: 5px;
}

.page-faq .accordion__sign::before,
.page-faq .accordion__sign::after {
  content: "";
  position: absolute;
  background: var(--ice-deep);
  transition: transform var(--speed) ease, opacity var(--speed) ease, background var(--speed) ease;
}

.page-faq .accordion__sign::before {
  left: 0;
  top: 7px;
  width: 16px;
  height: 2px;
}

.page-faq .accordion__sign::after {
  top: 0;
  left: 7px;
  width: 2px;
  height: 16px;
}

.page-faq .accordion__btn:hover .accordion__sign::before,
.page-faq .accordion__btn:hover .accordion__sign::after {
  background: var(--ice);
}

.page-faq .faq-list > .accordion:has(.accordion__panel.is-open) .accordion__sign::before {
  background: var(--ice);
}

.page-faq .faq-list > .accordion:has(.accordion__panel.is-open) .accordion__sign::after {
  transform: scaleY(0);
  opacity: 0;
}

/* 面板 */
.page-faq .accordion__panel {
  display: none;
}

.page-faq .accordion__panel.is-open {
  display: block;
  animation: faq-panel-in var(--speed) ease-out both;
}

@keyframes faq-panel-in {
  from { opacity: 0; transform: translateY(-6px); }
  to   { opacity: 1; transform: translateY(0); }
}

.page-faq .accordion__body {
  padding: 0 22px 22px 46px;
  max-width: 44em;
  font-size: 17px;
  line-height: 1.75;
  color: var(--sage);
}

.page-faq .accordion__body p {
  margin: 0;
}

.page-faq .accordion__body p + p {
  margin-top: .82em;
}

.page-faq .accordion__body a {
  color: var(--ice);
  text-decoration: none;
  border-bottom: 1px solid rgba(127, 216, 255, .45);
}

.page-faq .accordion__body a:hover {
  border-bottom-color: var(--ice);
}

/* ---------- 客户端配图 ---------- */
.page-faq .faq-clientfig {
  margin: 0 0 20px;
}

.page-faq .faq-clientfig img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 3 / 2;
  object-fit: cover;
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - 20px), calc(100% - 20px) 100%, 0 100%);
}

.page-faq .faq-clientfig .figure__caption {
  margin-top: 10px;
  font-family: var(--font-mono);
  font-size: 12px;
  line-height: 1.6;
  color: var(--sage);
}

/* ---------- 结尾引导 ---------- */
.page-faq .faq-outro {
  padding-block: clamp(36px, 5vw, 72px) clamp(24px, 4vw, 52px);
}

.page-faq .faq-outro__panel {
  display: grid;
  gap: 24px;
  padding: clamp(22px, 3vw, 40px);
  border-top: 2px solid var(--ice);
  border-left: 1px solid var(--faq-line-soft);
  border-right: 1px solid var(--faq-line-soft);
  border-bottom: 1px solid var(--faq-line-soft);
  background:
    linear-gradient(115deg, rgba(18, 58, 47, .95) 0%, rgba(11, 42, 34, .92) 58%, rgba(18, 58, 47, .7) 100%);
}

.page-faq .faq-outro__kicker {
  margin: 0 0 12px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .28em;
  color: var(--track);
}

.page-faq .faq-outro__panel h2 {
  margin: 0 0 14px;
  font-family: var(--font-display);
  font-size: clamp(22px, 3vw, 34px);
  font-weight: 900;
  line-height: 1.14;
  letter-spacing: -.01em;
  color: var(--mist);
}

.page-faq .faq-outro__lead {
  margin: 0;
  max-width: 40em;
  font-size: 17px;
  line-height: 1.75;
  color: var(--sage);
}

.page-faq .faq-outro__acts {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

/* ---------- 平板与桌面 ---------- */
@media (min-width: 900px) {
  .page-faq .hero-grid {
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
    gap: clamp(28px, 4vw, 52px);
    align-items: center;
  }

  .page-faq .faq-outro__panel {
    grid-template-columns: minmax(0, 1fr) auto;
    align-items: center;
    gap: 40px;
  }
}

@media (min-width: 960px) {
  .page-faq .faq-layout {
    grid-template-columns: 256px minmax(0, 1fr);
    gap: 56px;
    align-items: start;
  }

  .page-faq .faq-index {
    position: sticky;
    top: calc(var(--bar-h) + 18px);
    padding: 20px 18px;
  }

  .page-faq .faq-index__list {
    display: block;
    overflow: visible;
    padding-bottom: 0;
  }

  .page-faq .faq-index__list > li + li {
    margin-top: 4px;
  }

  .page-faq .faq-index__name {
    white-space: normal;
  }

  .page-faq .faq-clientfig {
    margin-bottom: 26px;
  }
}

@media (min-width: 1180px) {
  .page-faq .faq-vnote {
    display: block;
    position: absolute;
    top: 0;
    right: -22px;
    margin: 0;
    writing-mode: vertical-rl;
    font-family: var(--font-mono);
    font-size: 11px;
    letter-spacing: .28em;
    color: var(--ice-deep);
    opacity: .85;
  }
}

/* ---------- 窄屏收口 ---------- */
@media (max-width: 600px) {
  .page-faq .accordion__body {
    padding-left: 16px;
    padding-right: 14px;
  }

  .page-faq .accordion__btn {
    gap: 10px;
    padding: 15px 12px 15px 12px;
    font-size: 16px;
  }

  .page-faq .hero-frame {
    --faq-cut: 12px;
    padding: 18px 16px 20px;
  }

  .page-faq .hero-kpis > li {
    min-width: 132px;
    padding-right: 20px;
  }

  .page-faq .hero-kpis > li + li {
    padding-left: 20px;
  }

  .page-faq .faq-outro__acts .btn {
    flex: 1 1 auto;
    justify-content: center;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-faq .accordion__panel.is-open {
    animation: none;
  }

  .page-faq .accordion__sign::before,
  .page-faq .accordion__sign::after,
  .page-faq .faq-list > .accordion,
  .page-faq .faq-index__link {
    transition: none;
  }
}