/* ===== 疑问解答 /faq/ ===== */
.page-faq {
  --faq-rail-w: 320px;
  background:
    radial-gradient(880px 520px at 86% -8%, rgba(43, 240, 196, 0.10), transparent 62%),
    radial-gradient(560px 360px at 2% 14%, rgba(255, 176, 58, 0.06), transparent 66%),
    var(--ink-900);
  color: var(--paper);
  font-family: var(--font-body);
  padding-bottom: clamp(48px, 8vw, 96px);
}

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

.page-faq a {
  color: var(--mint-soft);
  text-decoration: none;
  border-bottom: 1px solid rgba(43, 240, 196, 0.42);
  transition: color 180ms var(--ease), border-color 180ms var(--ease);
}

.page-faq a:hover {
  color: var(--mint);
  border-color: var(--mint);
}

/* ---------- 首屏 ---------- */
.page-faq .faq-hero {
  position: relative;
  overflow: hidden;
  padding: clamp(24px, 5vw, 56px) 0 clamp(24px, 4vw, 44px);
  border-bottom: 1px solid var(--rail);
}

.page-faq .faq-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(var(--rail) 1px, transparent 1px),
    linear-gradient(90deg, var(--rail) 1px, transparent 1px);
  background-size: 76px 76px;
  opacity: 0.34;
  -webkit-mask-image: radial-gradient(circle at 72% 26%, #000, transparent 74%);
  mask-image: radial-gradient(circle at 72% 26%, #000, transparent 74%);
  pointer-events: none;
}

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

.page-faq .breadcrumb {
  margin-bottom: clamp(20px, 3vw, 32px);
}

.page-faq .faq-title {
  margin: 12px 0 0;
  max-width: 20ch;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(2rem, 6.4vw, 4.4rem);
  line-height: 1.06;
  letter-spacing: -0.02em;
  color: var(--paper);
}

.page-faq .faq-lede {
  max-width: 40ch;
  margin: 20px 0 0;
  font-size: 16px;
  line-height: 1.8;
  color: rgba(232, 243, 238, 0.82);
}

.page-faq .faq-hero-stats {
  list-style: none;
  display: flex;
  flex-wrap: wrap;
  gap: 14px 34px;
  margin: 30px 0 0;
  padding: 20px 0 0;
  border-top: 1px solid var(--rail);
}

.page-faq .faq-hero-stats li {
  display: flex;
  align-items: baseline;
  gap: 8px;
}

.page-faq .faq-stat-num {
  font-size: clamp(1.5rem, 3vw, 2.1rem);
  font-weight: 700;
  color: var(--mint);
  line-height: 1;
}

.page-faq .faq-stat-label {
  font-size: 13px;
  color: var(--muted);
  letter-spacing: 0.04em;
}

.page-faq .faq-hero-mark {
  display: none;
}

/* ---------- 分类胶囊跳转条 ---------- */
.page-faq .faq-jump {
  position: sticky;
  top: 0;
  z-index: 20;
  background: rgba(6, 17, 13, 0.94);
  -webkit-backdrop-filter: blur(10px);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--rail);
}

.page-faq .faq-jump-shell {
  display: flex;
  align-items: center;
  gap: 14px;
  padding-top: 11px;
  padding-bottom: 11px;
}

.page-faq .faq-jump-label {
  flex: none;
  font-size: 11px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--muted);
  white-space: nowrap;
}

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

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

.page-faq .faq-jump-list a {
  display: inline-block;
  white-space: nowrap;
  padding: 7px 15px;
  border: 1px solid var(--rail);
  border-radius: var(--r-pill);
  font-size: 13px;
  color: var(--paper);
  background: var(--ink-800);
  transition: background-color 180ms var(--ease), border-color 180ms var(--ease), color 180ms var(--ease);
}

.page-faq .faq-jump-list a:hover,
.page-faq .faq-jump-list a:focus-visible {
  background: var(--mint);
  border-color: var(--mint);
  color: var(--ink-900);
}

/* ---------- 主栅格 ---------- */
.page-faq .faq-layout {
  display: grid;
  gap: clamp(28px, 4vw, 48px);
  padding-top: clamp(30px, 5vw, 64px);
}

.page-faq .faq-main {
  min-width: 0;
  display: grid;
  gap: clamp(30px, 4.4vw, 56px);
}

/* ---------- 分组标题 ---------- */
.page-faq .faq-group {
  min-width: 0;
  scroll-margin-top: 84px;
}

.page-faq .faq-group-head {
  display: flex;
  align-items: baseline;
  gap: 14px;
  padding-bottom: 14px;
  margin-bottom: 8px;
  border-bottom: 2px solid var(--mint);
}

.page-faq .faq-group-num {
  flex: none;
  font-size: 13px;
  letter-spacing: 0.16em;
  color: var(--mint);
}

.page-faq .faq-group-head h2 {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(1.25rem, 3.2vw, 1.85rem);
  line-height: 1.25;
  letter-spacing: -0.01em;
  color: var(--paper);
}

/* ---------- 新手三步卡片 ---------- */
.page-faq .faq-steps {
  display: grid;
  gap: 20px;
  margin-top: 22px;
  padding: clamp(16px, 2.6vw, 26px);
  background: linear-gradient(160deg, var(--ink-800), var(--ink-900) 82%);
}

.page-faq .faq-steps-media {
  margin: 0;
  min-width: 0;
}

.page-faq .faq-steps-body {
  min-width: 0;
}

.page-faq .faq-steps-list {
  list-style: none;
  counter-reset: faq-step;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 18px;
}

.page-faq .faq-steps-list li {
  position: relative;
  counter-increment: faq-step;
  padding-left: 46px;
  font-size: 15.5px;
  line-height: 1.72;
  color: rgba(232, 243, 238, 0.86);
}

.page-faq .faq-steps-list li::before {
  content: counter(faq-step, decimal-leading-zero);
  position: absolute;
  left: 0;
  top: 0;
  width: 32px;
  height: 32px;
  display: grid;
  place-items: center;
  border: 1px solid var(--mint);
  border-radius: var(--r-pill);
  color: var(--mint);
  font-family: var(--font-mono);
  font-size: 13px;
  line-height: 1;
}

.page-faq .faq-steps-list li:not(:last-child)::after {
  content: "";
  position: absolute;
  left: 16px;
  top: 38px;
  bottom: -18px;
  width: 1px;
  background: linear-gradient(var(--rail), rgba(31, 62, 52, 0));
}

.page-faq .faq-steps-list strong {
  color: var(--paper);
  font-weight: 700;
}

.page-faq .faq-steps-tail {
  margin: 20px 0 0;
  padding-top: 16px;
  border-top: 1px dashed var(--rail);
  font-size: 13.5px;
  line-height: 1.7;
  color: var(--muted);
}

/* ---------- 手风琴 ---------- */
.page-faq .faq-item {
  border-top: 1px solid var(--rail);
}

.page-faq .faq-item:last-of-type {
  border-bottom: 1px solid var(--rail);
}

.page-faq .faq-item > summary {
  display: flex;
  align-items: center;
  gap: 14px;
  min-height: 58px;
  padding: 15px 2px 15px 0;
  list-style: none;
  cursor: pointer;
  transition: box-shadow 200ms var(--ease), padding-left 200ms var(--ease), background-color 200ms var(--ease);
}

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

.page-faq .faq-item > summary:hover {
  background: var(--ink-800);
}

.page-faq .faq-item[open] > summary {
  box-shadow: inset 3px 0 0 var(--mint);
  padding-left: 16px;
}

.page-faq .faq-item > summary::after {
  content: "+";
  flex: none;
  margin-left: auto;
  font-family: var(--font-mono);
  font-size: 20px;
  line-height: 1;
  color: var(--mint);
}

.page-faq .faq-item[open] > summary::after {
  content: "\2212";
}

.page-faq .faq-q-num {
  flex: none;
  font-size: 12.5px;
  letter-spacing: 0.06em;
  color: var(--muted);
}

.page-faq .faq-q-text {
  font-size: 16px;
  font-weight: 600;
  line-height: 1.55;
  color: var(--paper);
}

.page-faq .faq-a {
  padding: 2px 2px 24px 16px;
  border-left: 3px solid rgba(43, 240, 196, 0.28);
  margin-left: 0;
  color: rgba(232, 243, 238, 0.78);
  font-size: 15.5px;
  line-height: 1.8;
}

.page-faq .faq-a p {
  margin: 0;
  max-width: 38ch;
}

.page-faq .faq-a p + p {
  margin-top: 10px;
}

.page-faq .faq-hl {
  font-family: var(--font-mono);
  font-weight: 700;
  color: var(--amber);
  letter-spacing: -0.01em;
}

/* ---------- 图片容器 ---------- */
.page-faq .media-frame {
  aspect-ratio: 16 / 10;
  overflow: hidden;
  border: 1px solid var(--rail);
  border-radius: var(--r-md);
  background: var(--ink-800);
}

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

.page-faq .faq-figure {
  margin: 22px 0 26px;
}

.page-faq .faq-figcaption {
  margin-top: 12px;
  padding-left: 14px;
  border-left: 2px solid var(--amber);
  font-size: 13px;
  letter-spacing: 0.02em;
  color: var(--muted);
}

/* ---------- 人工协助面板 ---------- */
.page-faq .faq-help {
  margin-top: 22px;
  padding: clamp(20px, 3vw, 30px);
  background: linear-gradient(150deg, var(--ink-800), var(--ink-900) 78%);
}

.page-faq .faq-help > p {
  margin: 0;
  max-width: 42ch;
  font-size: 15.5px;
  line-height: 1.8;
  color: rgba(232, 243, 238, 0.84);
}

.page-faq .faq-help-list {
  list-style: none;
  margin: 20px 0 0;
  padding: 0;
  display: grid;
  gap: 12px;
}

.page-faq .faq-help-list li {
  position: relative;
  padding-left: 22px;
  font-size: 15px;
  line-height: 1.72;
  color: rgba(232, 243, 238, 0.78);
}

.page-faq .faq-help-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 10px;
  width: 9px;
  height: 2px;
  background: var(--amber);
}

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

/* ---------- 右侧速览栏 ---------- */
.page-faq .faq-rail {
  min-width: 0;
}

.page-faq .faq-rail-card {
  padding: 22px;
  background: var(--ink-800);
  border-color: var(--rail);
}

.page-faq .faq-rail-title {
  margin: 10px 0 0;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 1.15rem;
  line-height: 1.3;
  color: var(--paper);
}

.page-faq .faq-rail-list {
  margin: 18px 0 0;
  padding: 0;
  display: grid;
  gap: 0;
}

.page-faq .faq-rail-row {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 12px;
  padding: 11px 0;
  border-top: 1px solid var(--rail);
}

.page-faq .faq-rail-row dt {
  flex: none;
  font-size: 12.5px;
  letter-spacing: 0.06em;
  color: var(--muted);
}

.page-faq .faq-rail-row dd {
  margin: 0;
  text-align: right;
  font-size: 13.5px;
  line-height: 1.5;
  color: var(--paper);
}

.page-faq .faq-rail-btn {
  width: 100%;
  margin-top: 22px;
  text-align: center;
  border-bottom: none;
}

/* ---------- 断点 ---------- */
@media (min-width: 700px) {
  .page-faq .faq-steps {
    grid-template-columns: minmax(0, 1fr);
  }

  .page-faq .faq-lede {
    font-size: 17px;
  }
}

@media (min-width: 860px) {
  .page-faq .faq-steps {
    grid-template-columns: minmax(0, 1.05fr) minmax(0, 1fr);
    align-items: center;
    gap: 30px;
  }
}

@media (min-width: 1040px) {
  .page-faq .faq-layout {
    grid-template-columns: minmax(0, 1fr) var(--faq-rail-w);
    grid-template-areas: "main rail";
    align-items: start;
  }

  .page-faq .faq-main {
    grid-area: main;
  }

  .page-faq .faq-rail {
    grid-area: rail;
    position: sticky;
    top: 92px;
    align-self: start;
  }

  .page-faq .faq-hero-shell {
    display: grid;
    grid-template-columns: minmax(0, 1fr) auto;
    grid-template-areas:
      "crumb crumb"
      "eyebrow mark"
      "title mark"
      "lede mark"
      "stats stats";
    align-items: start;
    column-gap: 40px;
  }

  .page-faq .breadcrumb { grid-area: crumb; }
  .page-faq .faq-hero-shell > .eyebrow { grid-area: eyebrow; }

  .page-faq .faq-title {
    grid-area: title;
    max-width: 22ch;
  }

  .page-faq .faq-lede {
    grid-area: lede;
  }

  .page-faq .faq-hero-stats {
    grid-area: stats;
  }

  .page-faq .faq-hero-mark {
    grid-area: mark;
    display: block;
    align-self: center;
    writing-mode: vertical-rl;
    transform: rotate(180deg);
    font-size: 11px;
    letter-spacing: 0.24em;
    color: var(--muted);
    margin: 0;
    padding: 12px 0;
  }
}

@media (min-width: 1240px) {
  .page-faq .faq-a {
    padding-left: 24px;
  }

  .page-faq .faq-a p {
    max-width: 42ch;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-faq *,
  .page-faq *::before,
  .page-faq *::after {
    transition-duration: 1ms !important;
    animation-duration: 1ms !important;
  }
}

/* ===== 疑问解答 /faq/ ===== */
.page-faq {
  --faq-rail-w: 320px;
  background:
    radial-gradient(880px 520px at 86% -8%, rgba(43, 240, 196, 0.10), transparent 62%),
    radial-gradient(560px 360px at 2% 14%, rgba(255, 176, 58, 0.06), transparent 66%),
    var(--ink-900);
  color: var(--paper);
  font-family: var(--font-body);
  padding-bottom: clamp(48px, 8vw, 96px);
}

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

.page-faq a {
  color: var(--mint-soft);
  text-decoration: none;
  border-bottom: 1px solid rgba(43, 240, 196, 0.42);
  transition: color 180ms var(--ease), border-color 180ms var(--ease);
}

.page-faq a:hover {
  color: var(--mint);
  border-color: var(--mint);
}

/* ---------- 首屏 ---------- */
.page-faq .faq-hero {
  position: relative;
  overflow: hidden;
  padding: clamp(24px, 5vw, 56px) 0 clamp(24px, 4vw, 44px);
  border-bottom: 1px solid var(--rail);
}

.page-faq .faq-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(var(--rail) 1px, transparent 1px),
    linear-gradient(90deg, var(--rail) 1px, transparent 1px);
  background-size: 76px 76px;
  opacity: 0.34;
  -webkit-mask-image: radial-gradient(circle at 72% 26%, #000, transparent 74%);
  mask-image: radial-gradient(circle at 72% 26%, #000, transparent 74%);
  pointer-events: none;
}

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

.page-faq .breadcrumb {
  margin-bottom: clamp(20px, 3vw, 32px);
}

.page-faq .faq-title {
  margin: 12px 0 0;
  max-width: 20ch;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(2rem, 6.4vw, 4.4rem);
  line-height: 1.06;
  letter-spacing: -0.02em;
  color: var(--paper);
}

.page-faq .faq-lede {
  max-width: 40ch;
  margin: 20px 0 0;
  font-size: 16px;
  line-height: 1.8;
  color: rgba(232, 243, 238, 0.82);
}

.page-faq .faq-hero-stats {
  list-style: none;
  display: flex;
  flex-wrap: wrap;
  gap: 14px 34px;
  margin: 30px 0 0;
  padding: 20px 0 0;
  border-top: 1px solid var(--rail);
}

.page-faq .faq-hero-stats li {
  display: flex;
  align-items: baseline;
  gap: 8px;
}

.page-faq .faq-stat-num {
  font-size: clamp(1.5rem, 3vw, 2.1rem);
  font-weight: 700;
  color: var(--mint);
  line-height: 1;
}

.page-faq .faq-stat-label {
  font-size: 13px;
  color: var(--muted);
  letter-spacing: 0.04em;
}

.page-faq .faq-hero-mark {
  display: none;
}

/* ---------- 分类胶囊跳转条 ---------- */
.page-faq .faq-jump {
  position: sticky;
  top: 0;
  z-index: 20;
  background: rgba(6, 17, 13, 0.94);
  -webkit-backdrop-filter: blur(10px);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--rail);
}

.page-faq .faq-jump-shell {
  display: flex;
  align-items: center;
  gap: 14px;
  padding-top: 11px;
  padding-bottom: 11px;
}

.page-faq .faq-jump-label {
  flex: none;
  font-size: 11px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--muted);
  white-space: nowrap;
}

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

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

.page-faq .faq-jump-list a {
  display: inline-block;
  white-space: nowrap;
  padding: 7px 15px;
  border: 1px solid var(--rail);
  border-radius: var(--r-pill);
  font-size: 13px;
  color: var(--paper);
  background: var(--ink-800);
  transition: background-color 180ms var(--ease), border-color 180ms var(--ease), color 180ms var(--ease);
}

.page-faq .faq-jump-list a:hover,
.page-faq .faq-jump-list a:focus-visible {
  background: var(--mint);
  border-color: var(--mint);
  color: var(--ink-900);
}

/* ---------- 主栅格 ---------- */
.page-faq .faq-layout {
  display: grid;
  gap: clamp(28px, 4vw, 48px);
  padding-top: clamp(30px, 5vw, 64px);
}

.page-faq .faq-main {
  min-width: 0;
  display: grid;
  gap: clamp(30px, 4.4vw, 56px);
}

/* ---------- 分组标题 ---------- */
.page-faq .faq-group {
  min-width: 0;
  scroll-margin-top: 84px;
}

.page-faq .faq-group-head {
  display: flex;
  align-items: baseline;
  gap: 14px;
  padding-bottom: 14px;
  margin-bottom: 8px;
  border-bottom: 2px solid var(--mint);
}

.page-faq .faq-group-num {
  flex: none;
  font-size: 13px;
  letter-spacing: 0.16em;
  color: var(--mint);
}

.page-faq .faq-group-head h2 {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(1.25rem, 3.2vw, 1.85rem);
  line-height: 1.25;
  letter-spacing: -0.01em;
  color: var(--paper);
}

/* ---------- 新手三步卡片 ---------- */
.page-faq .faq-steps {
  display: grid;
  gap: 20px;
  margin-top: 22px;
  padding: clamp(16px, 2.6vw, 26px);
  background: linear-gradient(160deg, var(--ink-800), var(--ink-900) 82%);
}

.page-faq .faq-steps-media {
  margin: 0;
  min-width: 0;
}

.page-faq .faq-steps-body {
  min-width: 0;
}

.page-faq .faq-steps-list {
  list-style: none;
  counter-reset: faq-step;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 18px;
}

.page-faq .faq-steps-list li {
  position: relative;
  counter-increment: faq-step;
  padding-left: 46px;
  font-size: 15.5px;
  line-height: 1.72;
  color: rgba(232, 243, 238, 0.86);
}

.page-faq .faq-steps-list li::before {
  content: counter(faq-step, decimal-leading-zero);
  position: absolute;
  left: 0;
  top: 0;
  width: 32px;
  height: 32px;
  display: grid;
  place-items: center;
  border: 1px solid var(--mint);
  border-radius: var(--r-pill);
  color: var(--mint);
  font-family: var(--font-mono);
  font-size: 13px;
  line-height: 1;
}

.page-faq .faq-steps-list li:not(:last-child)::after {
  content: "";
  position: absolute;
  left: 16px;
  top: 38px;
  bottom: -18px;
  width: 1px;
  background: linear-gradient(var(--rail), rgba(31, 62, 52, 0));
}

.page-faq .faq-steps-list strong {
  color: var(--paper);
  font-weight: 700;
}

.page-faq .faq-steps-tail {
  margin: 20px 0 0;
  padding-top: 16px;
  border-top: 1px dashed var(--rail);
  font-size: 13.5px;
  line-height: 1.7;
  color: var(--muted);
}

/* ---------- 手风琴 ---------- */
.page-faq .faq-item {
  border-top: 1px solid var(--rail);
}

.page-faq .faq-item:last-of-type {
  border-bottom: 1px solid var(--rail);
}

.page-faq .faq-item > summary {
  display: flex;
  align-items: center;
  gap: 14px;
  min-height: 58px;
  padding: 15px 2px 15px 0;
  list-style: none;
  cursor: pointer;
  transition: box-shadow 200ms var(--ease), padding-left 200ms var(--ease), background-color 200ms var(--ease);
}

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

.page-faq .faq-item > summary:hover {
  background: var(--ink-800);
}

.page-faq .faq-item[open] > summary {
  box-shadow: inset 3px 0 0 var(--mint);
  padding-left: 16px;
}

.page-faq .faq-item > summary::after {
  content: "+";
  flex: none;
  margin-left: auto;
  font-family: var(--font-mono);
  font-size: 20px;
  line-height: 1;
  color: var(--mint);
}

.page-faq .faq-item[open] > summary::after {
  content: "\2212";
}

.page-faq .faq-q-num {
  flex: none;
  font-size: 12.5px;
  letter-spacing: 0.06em;
  color: var(--muted);
}

.page-faq .faq-q-text {
  font-size: 16px;
  font-weight: 600;
  line-height: 1.55;
  color: var(--paper);
}

.page-faq .faq-a {
  padding: 2px 2px 24px 16px;
  border-left: 3px solid rgba(43, 240, 196, 0.28);
  color: rgba(232, 243, 238, 0.78);
  font-size: 15.5px;
  line-height: 1.8;
}

.page-faq .faq-a p {
  margin: 0;
  max-width: 38ch;
}

.page-faq .faq-a p + p {
  margin-top: 10px;
}

.page-faq .faq-hl {
  font-family: var(--font-mono);
  font-weight: 700;
  color: var(--amber);
  letter-spacing: -0.01em;
}

/* ---------- 图片容器 ---------- */
.page-faq .media-frame {
  aspect-ratio: 16 / 10;
  overflow: hidden;
  border: 1px solid var(--rail);
  border-radius: var(--r-md);
  background: var(--ink-800);
}

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

.page-faq .faq-figure {
  margin: 22px 0 26px;
}

.page-faq .faq-figcaption {
  margin-top: 12px;
  padding-left: 14px;
  border-left: 2px solid var(--amber);
  font-size: 13px;
  letter-spacing: 0.02em;
  color: var(--muted);
}

/* ---------- 人工协助面板 ---------- */
.page-faq .faq-help {
  margin-top: 22px;
  padding: clamp(20px, 3vw, 30px);
  background: linear-gradient(150deg, var(--ink-800), var(--ink-900) 78%);
}

.page-faq .faq-help > p {
  margin: 0;
  max-width: 42ch;
  font-size: 15.5px;
  line-height: 1.8;
  color: rgba(232, 243, 238, 0.84);
}

.page-faq .faq-help-list {
  list-style: none;
  margin: 20px 0 0;
  padding: 0;
  display: grid;
  gap: 12px;
}

.page-faq .faq-help-list li {
  position: relative;
  padding-left: 22px;
  font-size: 15px;
  line-height: 1.72;
  color: rgba(232, 243, 238, 0.78);
}

.page-faq .faq-help-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 10px;
  width: 9px;
  height: 2px;
  background: var(--amber);
}

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

/* ---------- 右侧速览栏 ---------- */
.page-faq .faq-rail {
  min-width: 0;
}

.page-faq .faq-rail-card {
  padding: 22px;
  background: var(--ink-800);
  border-color: var(--rail);
}

.page-faq .faq-rail-title {
  margin: 10px 0 0;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 1.15rem;
  line-height: 1.3;
  color: var(--paper);
}

.page-faq .faq-rail-list {
  margin: 18px 0 0;
  padding: 0;
  display: grid;
}

.page-faq .faq-rail-row {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 12px;
  padding: 11px 0;
  border-top: 1px solid var(--rail);
}

.page-faq .faq-rail-row dt {
  flex: none;
  font-size: 12.5px;
  letter-spacing: 0.06em;
  color: var(--muted);
}

.page-faq .faq-rail-row dd {
  margin: 0;
  text-align: right;
  font-size: 13.5px;
  line-height: 1.5;
  color: var(--paper);
}

.page-faq .faq-rail-btn {
  width: 100%;
  margin-top: 22px;
  text-align: center;
  border-bottom: none;
}

/* ---------- 断点 ---------- */
@media (min-width: 700px) {
  .page-faq .faq-lede {
    font-size: 17px;
  }
}

@media (min-width: 860px) {
  .page-faq .faq-steps {
    grid-template-columns: minmax(0, 1.05fr) minmax(0, 1fr);
    align-items: center;
    gap: 30px;
  }
}

@media (min-width: 1040px) {
  .page-faq .faq-layout {
    grid-template-columns: minmax(0, 1fr) var(--faq-rail-w);
    grid-template-areas: "main rail";
    align-items: start;
  }

  .page-faq .faq-main {
    grid-area: main;
  }

  .page-faq .faq-rail {
    grid-area: rail;
    position: sticky;
    top: 92px;
    align-self: start;
  }

  .page-faq .faq-hero-shell {
    display: grid;
    grid-template-columns: minmax(0, 1fr) auto;
    grid-template-areas:
      "crumb crumb"
      "eyebrow mark"
      "title mark"
      "lede mark"
      "stats stats";
    align-items: start;
    column-gap: 40px;
  }

  .page-faq .breadcrumb {
    grid-area: crumb;
  }

  .page-faq .faq-hero-shell > .eyebrow {
    grid-area: eyebrow;
  }

  .page-faq .faq-title {
    grid-area: title;
    max-width: 22ch;
  }

  .page-faq .faq-lede {
    grid-area: lede;
  }

  .page-faq .faq-hero-stats {
    grid-area: stats;
  }

  .page-faq .faq-hero-mark {
    grid-area: mark;
    display: block;
    align-self: center;
    writing-mode: vertical-rl;
    transform: rotate(180deg);
    font-size: 11px;
    letter-spacing: 0.24em;
    color: var(--muted);
    margin: 0;
    padding: 12px 0;
  }
}

@media (min-width: 1240px) {
  .page-faq .faq-a {
    padding-left: 24px;
  }

  .page-faq .faq-a p {
    max-width: 42ch;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-faq *,
  .page-faq *::before,
  .page-faq *::after {
    transition-duration: 1ms !important;
    animation-duration: 1ms !important;
  }
}