.page-faq {
  --faq-gap: clamp(16px, 3vw, 30px);
  --faq-top: clamp(92px, 13vw, 124px);
  padding-bottom: clamp(48px, 8vw, 96px);
  overflow-x: clip;
}

.page-faq .faq-crumbs {
  padding-top: var(--faq-top);
}

.page-faq .faq-section {
  padding-top: clamp(34px, 6vw, 72px);
}

/* ---------- 首屏 ---------- */
.page-faq .faq-hero {
  position: relative;
  display: grid;
  gap: var(--faq-gap);
  padding-top: clamp(10px, 2vw, 22px);
  padding-bottom: clamp(26px, 4vw, 52px);
}

.page-faq .faq-hero::before {
  content: "";
  position: absolute;
  top: -12%;
  right: -8%;
  width: min(78vw, 620px);
  height: min(70vw, 520px);
  background: linear-gradient(140deg, rgba(107, 63, 160, 0.62), rgba(214, 47, 69, 0.24) 58%, rgba(7, 26, 43, 0) 82%);
  clip-path: polygon(22% 0, 100% 0, 100% 72%, 0 100%);
  z-index: 0;
  pointer-events: none;
}

.page-faq .faq-hero__text,
.page-faq .faq-hero__panel {
  position: relative;
  z-index: 1;
}

.page-faq .faq-hero__text h1 {
  margin: 14px 0 18px;
  font-size: clamp(34px, 8vw, 62px);
  line-height: 1.05;
  letter-spacing: -0.015em;
  color: var(--cream);
  max-width: 15em;
}

.page-faq .faq-hero__lead {
  max-width: 36em;
  font-size: clamp(15px, 2.2vw, 18px);
  line-height: 1.85;
  color: var(--text);
}

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

.page-faq .faq-hero__panel {
  align-self: start;
  padding: clamp(20px, 3vw, 30px);
  border: 2px solid var(--line-warm);
  border-radius: var(--r-lg);
  background:
    repeating-linear-gradient(90deg, rgba(154, 174, 192, 0.07) 0 1px, transparent 1px 26px),
    linear-gradient(165deg, rgba(14, 42, 63, 0.96), rgba(5, 9, 15, 0.96));
  box-shadow: var(--shadow-hard);
}

.page-faq .faq-panel__badge {
  display: inline-block;
  margin: 0 0 18px;
  padding: 6px 14px;
  border-radius: var(--r-pill);
  background: var(--grape);
  color: var(--cream);
  font-size: 13px;
  letter-spacing: 0.06em;
}

.page-faq .faq-panel__list {
  margin: 0;
  display: grid;
  gap: 12px;
}

.page-faq .faq-panel__row {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  gap: 14px;
  padding-bottom: 12px;
  border-bottom: 1px solid var(--line-soft);
}

.page-faq .faq-panel__row dt {
  color: var(--mist);
  font-size: 14px;
}

.page-faq .faq-panel__row dd {
  margin: 0;
  font-size: clamp(17px, 2.6vw, 21px);
  font-weight: 700;
  color: var(--cream);
}

.page-faq .faq-panel__note {
  margin: 18px 0 0;
  font-size: 14px;
  line-height: 1.75;
  color: var(--mist);
  padding-left: 14px;
  border-left: 3px solid var(--lime);
}

/* ---------- 准备事项 ---------- */
.page-faq .faq-prep .faq-prep__card {
  border-radius: var(--r-lg);
  background: linear-gradient(180deg, rgba(14, 42, 63, 0.92), rgba(7, 26, 43, 0.92));
}

.page-faq .faq-prep__card .card__text {
  line-height: 1.8;
}

/* ---------- 步骤区 ---------- */
.page-faq .faq-steps {
  display: grid;
  gap: clamp(22px, 4vw, 44px);
}

.page-faq .faq-toc {
  padding: 16px 18px;
  border: 2px solid var(--line);
  border-radius: var(--r-lg);
  background: rgba(14, 42, 63, 0.7);
  box-shadow: var(--shadow-hard);
}

.page-faq .faq-toc__label {
  margin: 0 0 12px;
  font-size: 12px;
  letter-spacing: 0.18em;
  color: var(--copper);
}

.page-faq .faq-toc__list {
  margin: 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 4px;
}

.page-faq .faq-toc__link {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 9px 10px;
  border-radius: var(--r-md);
  color: var(--text);
  font-size: 14.5px;
  text-decoration: none;
  transition: background 0.25s var(--ease), color 0.25s var(--ease), transform 0.25s var(--ease);
}

.page-faq .faq-toc__link span {
  font-size: 12px;
  font-weight: 700;
  color: var(--grape-lift);
  letter-spacing: 0.04em;
}

.page-faq .faq-toc__link:hover,
.page-faq .faq-toc__link:focus-visible {
  background: rgba(107, 63, 160, 0.28);
  color: var(--cream);
  transform: translateX(3px);
}

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

.page-faq .faq-steps__main {
  display: grid;
  gap: clamp(18px, 3vw, 28px);
  min-width: 0;
}

/* ---------- 图片 ---------- */
.page-faq .faq-figure {
  margin: 0;
}

.page-faq .faq-figure__frame {
  border: 2px solid var(--line);
  border-radius: var(--r-lg);
  background: linear-gradient(160deg, rgba(107, 63, 160, 0.22), rgba(5, 9, 15, 0.9));
  overflow: hidden;
  box-shadow: var(--shadow-hard);
}

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

.page-faq .faq-figure--wide .faq-figure__frame img {
  aspect-ratio: 1200 / 760;
}

.page-faq .faq-figure__cap {
  margin-top: 10px;
  font-size: 13px;
  line-height: 1.7;
  color: var(--mist);
}

/* ---------- 步骤卡 ---------- */
.page-faq .faq-steplist {
  margin: 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: clamp(14px, 2.4vw, 20px);
}

.page-faq .faq-step {
  display: grid;
  gap: 14px;
  position: relative;
  padding: clamp(18px, 3vw, 28px);
  border: 2px solid var(--line);
  border-radius: var(--r-lg);
  background: linear-gradient(180deg, rgba(14, 42, 63, 0.9), rgba(7, 26, 43, 0.92));
  box-shadow: var(--shadow-hard);
  transition: border-color 0.3s var(--ease), box-shadow 0.3s var(--ease), transform 0.3s var(--ease);
}

.page-faq .faq-step:hover {
  border-color: var(--grape-lift);
  box-shadow: var(--shadow-lift);
  transform: translateY(-3px);
}

.page-faq .faq-step:target {
  border-color: var(--crimson);
  background: linear-gradient(180deg, rgba(107, 63, 160, 0.2), rgba(7, 26, 43, 0.94));
}

.page-faq .faq-step:focus-within {
  outline: 2px solid var(--lime);
  outline-offset: 3px;
}

.page-faq .faq-step__num {
  font-size: clamp(44px, 10vw, 76px);
  font-weight: 800;
  line-height: 0.78;
  color: transparent;
  -webkit-text-stroke: 2px var(--crimson);
  letter-spacing: -0.03em;
}

.page-faq .faq-step__title {
  margin: 0 0 10px;
  font-size: clamp(19px, 3vw, 24px);
  line-height: 1.35;
  color: var(--cream);
}

.page-faq .faq-step__text {
  margin: 0;
  font-size: 15.5px;
  line-height: 1.85;
  color: var(--text);
}

.page-faq .faq-step__result {
  margin: 16px 0 0;
  padding: 10px 14px;
  border-left: 3px solid var(--lime);
  border-radius: 0 var(--r-md) var(--r-md) 0;
  background: rgba(168, 224, 99, 0.08);
  font-size: 14.5px;
  line-height: 1.7;
  color: var(--text);
}

.page-faq .faq-step__result span {
  display: inline-block;
  margin-right: 8px;
  padding: 2px 8px;
  border-radius: var(--r-pill);
  background: var(--lime);
  color: var(--ink);
  font-size: 12px;
  font-weight: 700;
}

/* ---------- 旧版对照 ---------- */
.page-faq .faq-legacy {
  align-items: start;
}

.page-faq .faq-legacy__text p {
  margin: 0 0 14px;
  font-size: 15.5px;
  line-height: 1.9;
  color: var(--text);
}

.page-faq .faq-legacy__list {
  margin: 0 0 22px;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 10px;
}

.page-faq .faq-legacy__list li {
  position: relative;
  padding-left: 22px;
  font-size: 14.5px;
  line-height: 1.75;
  color: var(--mist);
}

.page-faq .faq-legacy__list li::before {
  content: "";
  position: absolute;
  left: 4px;
  top: 9px;
  width: 7px;
  height: 7px;
  background: var(--copper);
  transform: rotate(45deg);
}

/* ---------- 折叠面板 ---------- */
.page-faq .faq-acc-list {
  display: grid;
  gap: 12px;
}

.page-faq .faq-acc {
  border: 2px solid var(--line);
  border-radius: var(--r-md);
  background: rgba(14, 42, 63, 0.62);
  transition: border-color 0.25s var(--ease), background 0.25s var(--ease);
}

.page-faq .faq-acc:hover {
  border-color: var(--grape-lift);
}

.page-faq .faq-acc[open] {
  border-color: var(--grape);
  background: rgba(14, 42, 63, 0.9);
}

.page-faq .faq-acc summary {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 16px 46px 16px 16px;
  position: relative;
  cursor: pointer;
  list-style: none;
  font-size: 16px;
  font-weight: 700;
  line-height: 1.5;
  color: var(--cream);
}

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

.page-faq .faq-acc summary:focus-visible {
  outline: 2px solid var(--lime);
  outline-offset: 2px;
  border-radius: var(--r-md);
}

.page-faq .faq-acc summary::after {
  content: "+";
  position: absolute;
  right: 16px;
  top: 50%;
  transform: translateY(-50%);
  font-size: 22px;
  font-weight: 400;
  color: var(--lime);
  line-height: 1;
}

.page-faq .faq-acc[open] summary::after {
  content: "–";
}

.page-faq .faq-acc__idx {
  flex: none;
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.05em;
  color: var(--crimson);
  padding: 3px 8px;
  border: 1px solid rgba(214, 47, 69, 0.5);
  border-radius: var(--r-pill);
}

.page-faq .faq-acc__body {
  padding: 0 16px 18px;
  border-top: 1px solid var(--line-soft);
  margin-top: 0;
  padding-top: 14px;
}

.page-faq .faq-acc__body p {
  margin: 0 0 10px;
  font-size: 15px;
  line-height: 1.85;
  color: var(--text);
}

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

/* ---------- 教程索引 ---------- */
.page-faq .faq-index__lead {
  max-width: 40em;
  margin: 0 0 clamp(18px, 3vw, 28px);
  font-size: 15.5px;
  line-height: 1.85;
  color: var(--text);
}

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

.page-faq .faq-index__item {
  position: relative;
  padding: 18px 18px 18px 20px;
  border-left: 3px solid var(--grape);
  border-radius: 0 var(--r-md) var(--r-md) 0;
  background: linear-gradient(90deg, rgba(107, 63, 160, 0.18), rgba(7, 26, 43, 0.5));
  transition: border-color 0.25s var(--ease), background 0.25s var(--ease), transform 0.25s var(--ease);
}

.page-faq .faq-index__item:hover {
  border-left-color: var(--lime);
  background: linear-gradient(90deg, rgba(107, 63, 160, 0.32), rgba(7, 26, 43, 0.6));
  transform: translateX(4px);
}

.page-faq .faq-index__num {
  display: block;
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.16em;
  color: var(--copper);
}

.page-faq .faq-index__title {
  margin: 6px 0 8px;
  font-size: 18px;
  color: var(--cream);
}

.page-faq .faq-index__text {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.75;
  color: var(--mist);
}

/* ---------- 咨询分流 ---------- */
.page-faq .faq-cta {
  display: grid;
  gap: 18px;
  margin-top: clamp(28px, 4vw, 44px);
  padding: clamp(20px, 3.4vw, 32px);
  border: 2px solid var(--line-warm);
  border-radius: var(--r-lg);
  background:
    repeating-linear-gradient(90deg, rgba(201, 151, 78, 0.08) 0 1px, transparent 1px 30px),
    linear-gradient(150deg, rgba(107, 63, 160, 0.38), rgba(5, 9, 15, 0.94));
  box-shadow: var(--shadow-hard);
}

.page-faq .faq-cta__title {
  margin: 0 0 8px;
  font-size: clamp(19px, 3vw, 24px);
  color: var(--cream);
}

.page-faq .faq-cta__text p {
  margin: 0;
  font-size: 15px;
  line-height: 1.8;
  color: var(--text);
  max-width: 42em;
}

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

/* ---------- 断点 ---------- */
@media (min-width: 620px) {
  .page-faq .faq-index {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 14px;
  }

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

@media (min-width: 900px) {
  .page-faq .faq-hero {
    grid-template-columns: minmax(0, 1.45fr) minmax(0, 0.85fr);
    align-items: start;
    gap: clamp(28px, 4vw, 56px);
  }

  .page-faq .faq-steps {
    grid-template-columns: 236px minmax(0, 1fr);
    align-items: start;
  }

  .page-faq .faq-toc {
    position: sticky;
    top: 96px;
  }

  .page-faq .faq-step {
    grid-template-columns: 96px minmax(0, 1fr);
    align-items: start;
  }

  .page-faq .faq-step__num {
    padding-top: 4px;
  }

  .page-faq .faq-legacy {
    grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
    gap: clamp(24px, 4vw, 46px);
  }

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

@media (prefers-reduced-motion: reduce) {
  .page-faq .faq-step,
  .page-faq .faq-index__item,
  .page-faq .faq-toc__link {
    transition: none;
  }

  .page-faq .faq-step:hover,
  .page-faq .faq-index__item:hover,
  .page-faq .faq-toc__link:hover {
    transform: none;
  }
}