.page-faq {
  --faq-gap: clamp(18px, 3.2vw, 34px);
  --faq-radius: 2px;
  background: var(--ink);
  color: var(--white);
  padding-bottom: clamp(36px, 6vw, 80px);
}

.page-faq .breadcrumb {
  padding-block: 14px 4px;
}

/* ---------- 首屏 ---------- */
.page-faq .faq-hero {
  position: relative;
  overflow: hidden;
  background:
    radial-gradient(ellipse at 84% 0%, rgba(255, 107, 44, 0.18), transparent 60%),
    linear-gradient(180deg, var(--abyss), var(--ink) 82%);
  border-bottom: 1px solid var(--line);
}

.page-faq .faq-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(to right, rgba(36, 68, 92, 0.5) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(36, 68, 92, 0.32) 1px, transparent 1px);
  background-size: 62px 62px;
  -webkit-mask-image: radial-gradient(ellipse at 26% 8%, #000 8%, transparent 70%);
  mask-image: radial-gradient(ellipse at 26% 8%, #000 8%, transparent 70%);
  opacity: 0.55;
  pointer-events: none;
}

.page-faq .faq-hero__inner {
  position: relative;
  z-index: 1;
  display: grid;
  gap: clamp(20px, 4vw, 38px);
  padding-block: clamp(22px, 4vw, 46px) clamp(26px, 4vw, 48px);
}

.page-faq .faq-hero__title {
  margin: 10px 0 0;
  max-width: 15em;
  font-family: var(--font-sans);
  font-size: clamp(1.85rem, 4.6vw, 3.2rem);
  font-weight: 800;
  line-height: 1.18;
  letter-spacing: 0.01em;
  color: var(--white);
}

.page-faq .faq-hero__lede {
  margin: 16px 0 0;
  max-width: 62ch;
  font-size: clamp(0.95rem, 2.4vw, 1.05rem);
  line-height: 1.85;
  color: var(--mist);
}

.page-faq .faq-hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 22px;
}

.page-faq .faq-hero__note {
  margin: 16px 0 0;
  font-size: 0.85rem;
  line-height: 1.8;
  color: var(--mist);
}

.page-faq .faq-hero__link,
.page-faq .faq-inline-link {
  color: var(--orange-soft);
  text-decoration: none;
  border-bottom: 1px solid rgba(255, 163, 107, 0.5);
  padding-bottom: 1px;
}

.page-faq .faq-hero__link:hover,
.page-faq .faq-hero__link:focus-visible,
.page-faq .faq-inline-link:hover,
.page-faq .faq-inline-link:focus-visible {
  color: var(--orange);
  border-bottom-color: var(--orange);
}

.page-faq .faq-hero__panel {
  align-self: start;
  padding: 16px 18px 18px;
  background: rgba(16, 42, 64, 0.86);
  border: 1px solid var(--line);
  border-radius: var(--faq-radius);
  box-shadow: 3px 3px 0 rgba(5, 15, 26, 0.75);
}

.page-faq .faq-hero__panel-title {
  margin: 0 0 12px;
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  color: var(--orange);
}

.page-faq .faq-quick {
  margin: 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
}

.page-faq .faq-quick__item {
  display: grid;
  gap: 4px;
  padding: 10px 12px;
  background: var(--panel);
}

.page-faq .faq-quick__code {
  font-family: var(--font-mono);
  font-size: 0.82rem;
  letter-spacing: 0.06em;
  color: var(--mint);
}

.page-faq .faq-quick__label {
  font-size: 0.85rem;
  line-height: 1.6;
  color: var(--mist);
}

/* ---------- 章节跳转条 ---------- */
.page-faq .faq-jump {
  position: sticky;
  top: var(--header-h);
  z-index: 6;
  background: rgba(8, 22, 36, 0.95);
  border-bottom: 1px solid var(--line);
  -webkit-backdrop-filter: blur(8px);
  backdrop-filter: blur(8px);
}

.page-faq .faq-jump__list {
  display: flex;
  gap: 8px;
  margin: 0;
  padding: 10px 0;
  list-style: none;
  overflow-x: auto;
  scrollbar-width: none;
}

.page-faq .faq-jump__list::-webkit-scrollbar {
  display: none;
}

.page-faq .faq-jump__link {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  flex: 0 0 auto;
  padding: 7px 12px;
  font-size: 0.82rem;
  font-weight: 700;
  color: var(--mist);
  text-decoration: none;
  border: 1px solid var(--line);
  border-radius: var(--faq-radius);
  white-space: nowrap;
  transition: color 0.16s var(--ease), border-color 0.16s var(--ease), background-color 0.16s var(--ease);
}

.page-faq .faq-jump__link span {
  font-family: var(--font-mono);
  font-size: 0.74rem;
  letter-spacing: 0.08em;
  color: var(--orange);
}

.page-faq .faq-jump__link:hover,
.page-faq .faq-jump__link:focus-visible {
  color: var(--white);
  border-color: var(--orange);
  background: var(--panel);
}

/* ---------- 通用章节 ---------- */
.page-faq .faq-section {
  padding-block: clamp(34px, 5.5vw, 68px);
  border-bottom: 1px solid var(--line);
  scroll-margin-top: calc(var(--header-h) + 62px);
}

.page-faq .faq-section--calm {
  background: linear-gradient(180deg, rgba(16, 42, 64, 0.55), transparent 85%);
}

.page-faq .faq-section__head {
  max-width: 74ch;
  margin-bottom: clamp(20px, 3vw, 32px);
}

.page-faq .faq-section__head .section-title {
  margin: 10px 0 0;
  font-size: clamp(1.35rem, 3.4vw, 2rem);
  font-weight: 800;
  line-height: 1.3;
  letter-spacing: 0.01em;
  color: var(--white);
}

.page-faq .faq-section__lede {
  margin: 14px 0 0;
  font-size: clamp(0.94rem, 2.3vw, 1rem);
  line-height: 1.85;
  color: var(--mist);
}

.page-faq .faq-section__foot {
  margin: clamp(20px, 3vw, 30px) 0 0;
  padding-top: 14px;
  border-top: 1px dashed var(--line);
  font-size: 0.86rem;
  line-height: 1.8;
  color: var(--mist);
}

/* ---------- 分栏 ---------- */
.page-faq .faq-split {
  display: grid;
  gap: var(--faq-gap);
  margin-bottom: clamp(20px, 3vw, 32px);
}

.page-faq .faq-split__main,
.page-faq .faq-split__side {
  min-width: 0;
}

/* ---------- 图片 ---------- */
.page-faq .faq-figure {
  margin: 0;
  border: 1px solid var(--line);
  background: var(--abyss);
}

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

.page-faq .faq-figure__cap {
  padding: 9px 12px;
  font-family: var(--font-mono);
  font-size: 0.74rem;
  letter-spacing: 0.06em;
  color: var(--mist);
  border-top: 1px solid var(--line);
  background: var(--panel);
}

/* ---------- 版本号卡片 ---------- */
.page-faq .faq-version {
  padding: 16px;
  background: var(--panel-2);
  border: 1px solid var(--line);
  border-left: 3px solid var(--mint);
  border-radius: var(--faq-radius);
}

.page-faq .faq-version__label {
  margin: 0;
  font-size: 0.76rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  color: var(--mist);
}

.page-faq .faq-version__code {
  margin: 8px 0 14px;
  font-size: clamp(1.5rem, 5vw, 2.1rem);
  font-weight: 700;
  letter-spacing: 0.1em;
  color: var(--mint);
}

.page-faq .faq-version__rows {
  margin: 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 1px;
  background: var(--line);
}

.page-faq .faq-version__row {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  gap: 12px;
  padding: 8px 10px;
  background: var(--panel);
  font-size: 0.86rem;
}

.page-faq .faq-version__key {
  color: var(--mist);
}

.page-faq .faq-version__val {
  color: var(--orange-soft);
  font-size: 0.92rem;
}

.page-faq .faq-version__tip {
  margin: 14px 0 0;
  font-size: 0.86rem;
  line-height: 1.85;
  color: var(--mist);
}

/* ---------- 环境要求卡 ---------- */
.page-faq .faq-req {
  padding: 16px;
  background: var(--panel);
  border: 1px solid var(--line);
  border-top: 3px solid var(--orange);
  border-radius: var(--faq-radius);
}

.page-faq .faq-req__title {
  margin: 0 0 12px;
  font-size: 0.95rem;
  font-weight: 700;
  color: var(--white);
}

.page-faq .faq-req__list {
  margin: 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 1px;
  background: var(--line);
}

.page-faq .faq-req__item {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  gap: 10px;
  padding: 8px 10px;
  background: var(--panel-2);
  font-size: 0.85rem;
}

.page-faq .faq-req__k {
  color: var(--orange-soft);
  font-size: 0.82rem;
}

.page-faq .faq-req__v {
  color: var(--white);
}

.page-faq .faq-req__note {
  margin: 12px 0 0;
  font-size: 0.84rem;
  line-height: 1.75;
  color: var(--mist);
}

/* ---------- 步骤条 ---------- */
.page-faq .faq-steps {
  margin: 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 10px;
  counter-reset: faqstep;
}

.page-faq .faq-steps--tight {
  margin-top: clamp(18px, 3vw, 26px);
}

.page-faq .faq-step {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: 12px;
  padding: 14px 16px;
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: var(--faq-radius);
  transition: border-color 0.16s var(--ease), background-color 0.16s var(--ease), transform 0.16s var(--ease);
}

.page-faq .faq-step:hover {
  border-color: var(--panel-2);
  background: var(--panel-2);
  transform: translateY(-2px);
}

.page-faq .faq-step__num {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 34px;
  height: 34px;
  border: 1px solid var(--orange);
  border-radius: 50%;
  font-size: 0.8rem;
  font-weight: 700;
  color: var(--orange);
  flex: 0 0 auto;
}

.page-faq .faq-step__title {
  margin: 0;
  font-size: 0.95rem;
  font-weight: 700;
  line-height: 1.55;
  color: var(--white);
}

.page-faq .faq-step__text {
  margin: 6px 0 0;
  font-size: 0.87rem;
  line-height: 1.8;
  color: var(--mist);
}

/* ---------- 导出区 ---------- */
.page-faq .faq-export {
  display: grid;
  gap: var(--faq-gap);
}

.page-faq .faq-export__aside {
  padding: 18px;
  background: rgba(22, 58, 85, 0.5);
  border: 1px solid var(--line);
  border-radius: var(--faq-radius);
  align-self: start;
}

.page-faq .faq-export__aside-title {
  margin: 0 0 12px;
  font-size: 0.8rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  color: var(--orange);
}

.page-faq .faq-export__list {
  margin: 0;
  padding: 0 0 0 2px;
  list-style: none;
  display: grid;
  gap: 10px;
  font-size: 0.86rem;
  line-height: 1.8;
  color: var(--mist);
}

.page-faq .faq-export__list li {
  padding-left: 12px;
  border-left: 2px solid var(--line);
}

.page-faq .faq-export__list strong {
  color: var(--white);
  font-weight: 700;
}

.page-faq .faq-export__aside-note {
  margin: 14px 0 0;
  padding-top: 12px;
  border-top: 1px dashed var(--line);
  font-size: 0.82rem;
  line-height: 1.75;
  color: var(--mist);
}

/* ---------- 筛选 ---------- */
.page-faq .filter-bar {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 18px;
}

.page-faq .filter-bar__btn {
  border: 1px solid var(--line);
  color: var(--mist);
  background: transparent;
  font-size: 0.8rem;
  transition: color 0.16s var(--ease), border-color 0.16s var(--ease), background-color 0.16s var(--ease);
}

.page-faq .filter-bar__btn:hover,
.page-faq .filter-bar__btn:focus-visible {
  color: var(--white);
  border-color: var(--orange-soft);
}

.page-faq .filter-bar__btn[aria-pressed="true"] {
  background: var(--orange);
  border-color: var(--orange);
  color: #081624;
  font-weight: 700;
}

/* ---------- 折叠问答 ---------- */
.page-faq .faq-list {
  display: grid;
  gap: 8px;
}

.page-faq .faq-item {
  border: 1px solid var(--line);
  border-radius: var(--faq-radius);
  background: var(--panel);
  transition: border-color 0.16s var(--ease), background-color 0.16s var(--ease);
}

.page-faq .faq-item[open] {
  border-color: var(--orange-soft);
  background: var(--panel-2);
}

.page-faq .faq-item > summary {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 14px 16px;
  cursor: pointer;
  list-style: none;
  font-size: 0.92rem;
  font-weight: 700;
  line-height: 1.6;
  color: var(--white);
}

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

.page-faq .faq-item > summary::after {
  content: "+";
  margin-left: auto;
  flex: 0 0 auto;
  font-family: var(--font-mono);
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--orange);
}

.page-faq .faq-item[open] > summary::after {
  content: "−";
}

.page-faq .faq-item > summary:focus-visible {
  outline: 2px solid var(--orange);
  outline-offset: -3px;
}

.page-faq .faq-item__no {
  flex: 0 0 auto;
  font-size: 0.76rem;
  letter-spacing: 0.08em;
  color: var(--orange);
}

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

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

.page-faq .faq-item__a p {
  margin: 12px 0 0;
  font-size: 0.87rem;
  line-height: 1.85;
  color: var(--mist);
}

.page-faq .faq-item[data-filtered="false"] {
  display: none;
}

.page-faq .faq-empty {
  margin: 14px 0 0;
  padding: 16px;
  text-align: center;
  font-size: 0.86rem;
  color: var(--mist);
  border: 1px dashed var(--line);
  border-radius: var(--faq-radius);
}

/* ---------- 求助信息 ---------- */
.page-faq .faq-support {
  display: grid;
  gap: var(--faq-gap);
}

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

.page-faq .faq-support__card {
  padding: 16px;
  background: var(--panel);
  border: 1px solid var(--line);
  border-left: 3px solid var(--orange);
  border-radius: var(--faq-radius);
}

.page-faq .faq-support__no {
  display: block;
  font-size: 0.74rem;
  letter-spacing: 0.1em;
  color: var(--orange);
  margin-bottom: 6px;
}

.page-faq .faq-support__title {
  margin: 0;
  font-size: 0.95rem;
  font-weight: 700;
  color: var(--white);
}

.page-faq .faq-support__text {
  margin: 6px 0 0;
  font-size: 0.85rem;
  line-height: 1.8;
  color: var(--mist);
}

.page-faq .faq-support__cta {
  padding: 20px;
  background: linear-gradient(135deg, rgba(255, 107, 44, 0.14), rgba(16, 42, 64, 0.9) 62%);
  border: 1px solid var(--line);
  border-radius: var(--faq-radius);
  display: grid;
  gap: 16px;
  align-content: start;
}

.page-faq .faq-support__cta-text {
  margin: 0;
  font-size: 0.88rem;
  line-height: 1.9;
  color: var(--mist);
}

/* ---------- 标签图例 ---------- */
.page-faq .faq-legend {
  display: grid;
  gap: 10px;
}

.page-faq .faq-legend__item {
  padding: 18px;
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: var(--faq-radius);
}

.page-faq .faq-legend__item--mint {
  border-top: 3px solid var(--mint);
}

.page-faq .faq-legend__item--orange {
  border-top: 3px solid var(--orange);
}

.page-faq .faq-legend__item--mono {
  border-top: 3px solid var(--mint-deep);
}

.page-faq .faq-legend__item--line {
  border-top: 3px solid var(--line);
}

.page-faq .faq-legend__title {
  margin: 12px 0 0;
  font-size: 0.92rem;
  font-weight: 700;
  color: var(--white);
}

.page-faq .faq-legend__text {
  margin: 8px 0 0;
  font-size: 0.85rem;
  line-height: 1.85;
  color: var(--mist);
}

/* ---------- 结尾 ---------- */
.page-faq .faq-closing {
  padding-block: clamp(34px, 5vw, 62px);
}

.page-faq .faq-closing__inner {
  display: grid;
  gap: 20px;
  padding: clamp(20px, 3.4vw, 34px);
  background:
    repeating-linear-gradient(135deg, rgba(36, 68, 92, 0.28) 0 2px, transparent 2px 10px),
    linear-gradient(180deg, var(--abyss), var(--panel) 140%);
  border: 1px solid var(--line);
  border-radius: var(--faq-radius);
  box-shadow: 4px 4px 0 rgba(5, 15, 26, 0.7);
}

.page-faq .faq-closing__title {
  margin: 0;
  max-width: 20em;
  font-size: clamp(1.2rem, 3.2vw, 1.7rem);
  font-weight: 800;
  line-height: 1.4;
  color: var(--white);
}

.page-faq .faq-closing__lede {
  margin: 12px 0 0;
  max-width: 62ch;
  font-size: 0.9rem;
  line-height: 1.9;
  color: var(--mist);
}

.page-faq .faq-closing__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  align-content: start;
}

/* ---------- 响应式 ---------- */
@media (min-width: 700px) {
  .page-faq .faq-support__grid {
    grid-template-columns: 1fr 1fr;
  }

  .page-faq .faq-legend {
    grid-template-columns: 1fr 1fr;
  }
}

@media (min-width: 900px) {
  .page-faq .faq-hero__inner {
    grid-template-columns: minmax(0, 1.6fr) minmax(0, 1fr);
    align-items: end;
  }

  .page-faq .faq-split {
    grid-template-columns: minmax(0, 1.25fr) minmax(0, 1fr);
    align-items: start;
  }

  .page-faq .faq-split--reverse .faq-split__main {
    order: 2;
  }

  .page-faq .faq-split--reverse .faq-split__side {
    order: 1;
  }

  .page-faq .faq-export {
    grid-template-columns: minmax(0, 1.45fr) minmax(0, 1fr);
    align-items: start;
  }

  .page-faq .faq-support {
    grid-template-columns: minmax(0, 1.5fr) minmax(0, 1fr);
    align-items: start;
  }

  .page-faq .faq-closing__inner {
    grid-template-columns: minmax(0, 1.5fr) minmax(0, 1fr);
    align-items: center;
  }

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

@media (min-width: 1180px) {
  .page-faq .faq-support__grid {
    grid-template-columns: 1fr 1fr;
  }

  .page-faq .faq-legend {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-faq .faq-step,
  .page-faq .faq-jump__link,
  .page-faq .filter-bar__btn,
  .page-faq .faq-item {
    transition: none;
  }

  .page-faq .faq-step:hover {
    transform: none;
  }
}
<<<END>>>