.page-faq {
  --faq-rail: 216px;
}

/* ---------- 首屏 ---------- */
.page-faq .faq-hero {
  position: relative;
  overflow: hidden;
  padding: 26px 0 32px;
  background:
    linear-gradient(158deg, var(--c-pine-2) 0%, var(--c-pine) 56%, var(--c-ink) 100%);
  border-bottom: 1px solid var(--line);
}

.page-faq .faq-hero::before {
  content: "";
  position: absolute;
  right: -110px;
  top: -120px;
  width: 320px;
  height: 320px;
  border-radius: 50%;
  background: radial-gradient(circle at 42% 42%, rgba(53, 227, 210, .18), rgba(53, 227, 210, 0) 68%);
  pointer-events: none;
}

.page-faq .faq-hero::after {
  content: "";
  position: absolute;
  left: -60px;
  bottom: -130px;
  width: 240px;
  height: 240px;
  background: rgba(201, 162, 39, .08);
  transform: rotate(20deg);
  pointer-events: none;
}

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

.page-faq .faq-hero__kicker {
  margin: 16px 0 8px;
  color: var(--c-gold);
  font-size: var(--fs-12);
  letter-spacing: .1em;
}

.page-faq .faq-hero h1 {
  margin: 0 0 14px;
  max-width: 22em;
  font-family: var(--font-display);
  font-weight: 600;
  font-size: var(--fs-28);
  line-height: 1.3;
  letter-spacing: .02em;
  color: var(--c-cream);
}

.page-faq .faq-hero .lede {
  max-width: 44em;
  color: rgba(244, 241, 232, .82);
}

.page-faq .faq-hero__badges {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 18px 0 0;
  padding: 0;
  list-style: none;
}

/* ---------- 准备区 ---------- */
.page-faq .faq-prep {
  padding: 32px 0 6px;
}

.page-faq .prep-grid {
  display: grid;
  gap: 14px;
  margin-top: 20px;
}

.page-faq .prep-card {
  padding: 18px;
  border: 1px solid var(--line);
  background: var(--c-pine-2);
}

.page-faq .prep-card__idx {
  margin: 0 0 10px;
  color: var(--c-gold);
  font-size: var(--fs-12);
}

.page-faq .prep-card__title {
  margin: 0 0 8px;
  font-family: var(--font-display);
  font-weight: 600;
  font-size: var(--fs-20);
  color: var(--c-cream);
}

.page-faq .prep-card__text {
  margin: 0;
  font-size: var(--fs-14);
  line-height: 1.75;
  color: rgba(244, 241, 232, .76);
}

/* ---------- 主体：类目导航 + 问答 ---------- */
.page-faq .faq-body {
  display: grid;
  gap: 20px;
  padding-top: 28px;
  padding-bottom: 8px;
}

.page-faq .faq-catnav {
  padding: 10px 0;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

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

.page-faq .faq-catnav__list {
  display: flex;
  gap: 8px;
  margin: 0;
  padding: 0 0 2px;
  list-style: none;
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
}

.page-faq .catnav__link {
  display: inline-block;
  white-space: nowrap;
  padding: 7px 12px;
  border: 1px solid var(--line);
  font-size: var(--fs-14);
  color: rgba(244, 241, 232, .8);
  text-decoration: none;
  transition: color var(--dur) var(--ease), border-color var(--dur) var(--ease);
}

.page-faq .catnav__link::before {
  content: "";
  display: inline-block;
  width: 6px;
  height: 1px;
  margin-right: 8px;
  vertical-align: middle;
  background: currentColor;
}

.page-faq .catnav__link:hover,
.page-faq .catnav__link:focus-visible {
  color: var(--c-gold);
  border-color: var(--c-gold);
}

.page-faq .faq-group {
  margin-bottom: 28px;
}

.page-faq .faq-group__title {
  display: flex;
  align-items: center;
  gap: 10px;
  margin: 0 0 14px;
  font-family: var(--font-display);
  font-weight: 600;
  font-size: var(--fs-20);
  color: var(--c-cream);
}

.page-faq .faq-group__title .mono {
  color: var(--c-gold);
  font-size: var(--fs-14);
}

.page-faq .faq-group__title::after {
  content: "";
  flex: 0 0 40px;
  height: 2px;
  background: var(--c-gold);
}

.page-faq .gqa-list {
  display: grid;
  gap: 10px;
}

.page-faq .gqa {
  border: 1px solid var(--line);
  background: var(--c-pine-2);
}

.page-faq .gqa summary {
  position: relative;
  padding: 13px 42px 13px 20px;
  cursor: pointer;
  list-style: none;
  font-size: var(--fs-16);
  line-height: 1.6;
  color: var(--c-cream);
  transition: color var(--dur) var(--ease);
}

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

.page-faq .gqa summary::before {
  content: "";
  position: absolute;
  left: 6px;
  top: 50%;
  width: 3px;
  height: 0;
  background: var(--c-gold);
  transform: translateY(-50%);
  transition: height var(--dur) var(--ease);
}

.page-faq .gqa[open] summary::before {
  height: 20px;
}

.page-faq .gqa summary::after {
  content: "+";
  position: absolute;
  right: 14px;
  top: 50%;
  transform: translateY(-50%);
  font-family: var(--font-mono);
  font-size: var(--fs-16);
  color: var(--c-stone);
}

.page-faq .gqa[open] summary::after {
  content: "–";
  color: var(--c-cyan);
}

.page-faq .gqa[open] summary {
  color: var(--c-gold);
}

.page-faq .gqa summary:focus-visible {
  outline: 1px solid var(--c-cyan);
  outline-offset: 2px;
}

.page-faq .gqa__body {
  padding: 2px 20px 16px;
  border-top: 1px solid rgba(89, 99, 94, .24);
}

.page-faq .gqa__body p {
  margin: 12px 0 0;
  font-size: var(--fs-14);
  line-height: 1.8;
  color: rgba(244, 241, 232, .8);
}

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

.page-faq .gqa__body a:hover {
  color: var(--c-gold);
}

/* ---------- 四步流程 ---------- */
.page-faq .faq-flow {
  padding: 32px 0 10px;
}

.page-faq .faq-flow__grid {
  display: grid;
  gap: 26px;
  margin-top: 22px;
}

.page-faq .step-list {
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-faq .step {
  position: relative;
  display: grid;
  grid-template-columns: 42px minmax(0, 1fr);
  gap: 14px;
  padding-bottom: 22px;
}

.page-faq .step:last-child {
  padding-bottom: 0;
}

.page-faq .step:not(:last-child)::before {
  content: "";
  position: absolute;
  left: 21px;
  top: 46px;
  bottom: 2px;
  width: 1px;
  background: linear-gradient(to bottom, rgba(181, 113, 79, .72), rgba(53, 227, 210, .5));
}

.page-faq .step__node {
  display: grid;
  place-items: center;
  width: 42px;
  height: 42px;
  border-radius: 50%;
  border: 1px solid var(--c-stone);
  background: var(--c-pine);
  font-family: var(--font-mono);
  font-size: var(--fs-14);
  letter-spacing: .04em;
}

.page-faq .step:nth-child(1) .step__node {
  border-color: var(--c-orange);
  color: var(--c-orange);
}

.page-faq .step:nth-child(2) .step__node {
  border-color: var(--c-clay);
  color: var(--c-clay);
}

.page-faq .step:nth-child(3) .step__node {
  border-color: var(--c-gold);
  color: var(--c-gold);
}

.page-faq .step:nth-child(4) .step__node {
  border-color: var(--c-cyan);
  color: var(--c-cyan);
}

.page-faq .step__title {
  margin: 7px 0 6px;
  font-family: var(--font-display);
  font-weight: 600;
  font-size: var(--fs-16);
  color: var(--c-cream);
}

.page-faq .step__text {
  margin: 0 0 10px;
  font-size: var(--fs-14);
  line-height: 1.75;
  color: rgba(244, 241, 232, .76);
}

.page-faq .step__check {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  cursor: pointer;
  font-family: var(--font-mono);
  font-size: var(--fs-12);
  letter-spacing: .04em;
  color: var(--c-stone);
}

.page-faq .step__check input {
  position: absolute;
  width: 1px;
  height: 1px;
  opacity: 0;
}

.page-faq .step__box {
  flex: 0 0 auto;
  display: grid;
  place-items: center;
  width: 18px;
  height: 18px;
  border: 1px solid var(--c-stone);
  transition: border-color var(--dur) var(--ease), background var(--dur) var(--ease);
}

.page-faq .step__check input:checked + .step__box {
  border-color: var(--c-cyan);
  background: rgba(53, 227, 210, .14);
}

.page-faq .step__check input:checked + .step__box::after {
  content: "✓";
  font-size: 12px;
  line-height: 1;
  color: var(--c-cyan);
}

.page-faq .step__check input:focus-visible + .step__box {
  outline: 2px solid var(--c-cyan);
  outline-offset: 2px;
}

.page-faq .step__check input:checked ~ .step__check-label {
  color: var(--c-cyan);
}

.page-faq .faq-flow__figure {
  margin: 0;
}

.page-faq .faq-flow__figure .media-frame {
  aspect-ratio: 3 / 4;
}

.page-faq .media-frame__cap {
  margin-top: 10px;
  font-size: var(--fs-12);
  line-height: 1.7;
  color: var(--c-stone);
}

/* ---------- 联系客服 ---------- */
.page-faq .faq-support {
  padding: 10px 0 44px;
}

.page-faq .support-panel {
  display: grid;
  gap: 22px;
  padding: 22px;
  background: var(--c-cream);
  color: var(--c-pine);
}

.page-faq .support-panel h2 {
  margin: 0 0 10px;
  font-family: var(--font-display);
  font-weight: 600;
  font-size: var(--fs-20);
  color: var(--c-pine);
}

.page-faq .support-panel p {
  margin: 0 0 10px;
  font-size: var(--fs-14);
  line-height: 1.8;
  color: rgba(11, 33, 27, .84);
}

.page-faq .support-panel a {
  color: #1c5b4a;
  text-decoration: underline;
  text-underline-offset: 3px;
}

.page-faq .support-panel a:hover {
  color: #8a6a12;
}

.page-faq .support-list {
  margin: 14px 0 4px;
  padding: 0;
  list-style: none;
}

.page-faq .support-list li {
  display: flex;
  flex-wrap: wrap;
  gap: 4px 14px;
  padding: 9px 0;
  border-top: 1px solid rgba(11, 33, 27, .16);
  font-size: var(--fs-14);
}

.page-faq .support-list .k {
  min-width: 76px;
  color: rgba(11, 33, 27, .6);
}

.page-faq .support-list .mono {
  color: var(--c-pine);
}

.page-faq .support-panel__tip {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px;
  margin: 14px 0 4px !important;
}

.page-faq .support-panel .copy-chip {
  border-color: rgba(11, 33, 27, .32);
  color: var(--c-pine);
}

.page-faq .faq-support__figure {
  margin: 0;
}

.page-faq .faq-support__figure .media-frame {
  aspect-ratio: 3 / 2;
}

/* ---------- 平板与桌面 ---------- */
@media (min-width: 760px) {
  .page-faq .faq-hero {
    padding: 34px 0 42px;
  }

  .page-faq .faq-hero h1 {
    font-size: var(--fs-40);
    max-width: 20em;
  }

  .page-faq .prep-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 18px;
  }

  .page-faq .prep-card:nth-child(2) {
    margin-top: 26px;
  }

  .page-faq .prep-card:nth-child(3) {
    margin-top: 10px;
  }

  .page-faq .faq-flow__grid {
    grid-template-columns: minmax(0, 1.15fr) minmax(0, .85fr);
    gap: 40px;
    align-items: start;
  }

  .page-faq .support-panel {
    grid-template-columns: minmax(0, 1.05fr) minmax(0, .95fr);
    gap: 32px;
    padding: 30px;
  }
}

@media (min-width: 980px) {
  .page-faq .faq-body {
    grid-template-columns: var(--faq-rail) minmax(0, 1fr);
    gap: 52px;
    align-items: start;
    padding-top: 44px;
  }

  .page-faq .faq-catnav {
    position: sticky;
    top: 26px;
    padding: 2px 0 0 18px;
    border-top: 0;
    border-bottom: 0;
    border-left: 1px solid var(--line);
  }

  .page-faq .faq-catnav__title {
    display: block;
    margin: 0 0 12px;
    font-size: var(--fs-12);
    letter-spacing: .14em;
    color: var(--c-stone);
  }

  .page-faq .faq-catnav__list {
    display: block;
    overflow: visible;
  }

  .page-faq .faq-catnav__list li {
    margin-bottom: 9px;
  }

  .page-faq .catnav__link {
    display: block;
    padding: 3px 0;
    border: 0;
    color: rgba(244, 241, 232, .72);
  }

  .page-faq .catnav__link:hover,
  .page-faq .catnav__link:focus-visible {
    color: var(--c-gold);
  }

  .page-faq .faq-group {
    margin-bottom: 36px;
  }
}

/* ---------- 动效降级 ---------- */
@media (prefers-reduced-motion: reduce) {
  .page-faq .catnav__link,
  .page-faq .gqa summary,
  .page-faq .gqa summary::before,
  .page-faq .step__box {
    transition: none;
  }
}
</final>