.page-faq {
  --faq-paper: #F4F0E6;
  --faq-ink: #071A14;
  --faq-ink-soft: #4C635A;
  --faq-line: rgba(7, 26, 20, .14);
  --faq-line-strong: rgba(7, 26, 20, .26);
  --faq-cyan-deep: #007A69;
  --faq-glow: rgba(42, 245, 208, .20);
}

/* ---------- 面包屑 ---------- */
.page-faq .faq-crumbs {
  padding-top: clamp(16px, 3vw, 26px);
}

/* ---------- 首屏 ---------- */
.page-faq .faq-intro {
  position: relative;
  overflow: hidden;
  padding-top: clamp(22px, 4vw, 46px);
  padding-bottom: clamp(38px, 6vw, 76px);
}

.page-faq .faq-intro::before {
  content: "";
  position: absolute;
  top: -18%;
  right: -22%;
  width: min(620px, 78vw);
  aspect-ratio: 1 / 1;
  background: radial-gradient(circle at 50% 50%, var(--faq-glow), transparent 68%);
  pointer-events: none;
  z-index: 0;
}

.page-faq .faq-intro__grid {
  position: relative;
  z-index: 1;
  display: grid;
  gap: clamp(26px, 4vw, 46px);
}

.page-faq .faq-intro__text .display-1 {
  margin-top: 14px;
  max-width: 18ch;
}

.page-faq .faq-intro__text .lede {
  margin-top: 18px;
  max-width: 60ch;
}

.page-faq .faq-intro__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 28px;
}

.page-faq .faq-intro__facts {
  list-style: none;
  margin: 30px 0 0;
  padding: 18px 0 0;
  display: flex;
  flex-wrap: wrap;
  gap: 10px 28px;
  border-top: 1px solid var(--line);
  font-size: .78rem;
  letter-spacing: .04em;
  color: var(--cool);
}

.page-faq .faq-intro__facts li {
  position: relative;
  padding-left: 12px;
}

.page-faq .faq-intro__facts li::before {
  content: "";
  position: absolute;
  left: 0;
  top: .55em;
  width: 5px;
  height: 5px;
  border-radius: 50%;
  background: var(--cyan);
}

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

/* ---------- 纸张阅读区 ---------- */
.page-faq .faq-paper {
  position: relative;
  background: var(--faq-paper);
  color: var(--faq-ink);
}

.page-faq .faq-paper::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 2px;
  background: linear-gradient(90deg, var(--cyan), var(--glow) 44%, transparent);
  opacity: .85;
}

.page-faq .faq-body {
  display: grid;
  gap: clamp(22px, 3vw, 42px);
  padding-top: clamp(28px, 4vw, 52px);
  padding-bottom: clamp(48px, 7vw, 92px);
  min-width: 0;
}

/* ---------- 左侧锚点 ---------- */
.page-faq .faq-anchors {
  background: var(--ink);
  border: 1px solid rgba(0, 229, 199, .16);
  border-radius: var(--radius-lg);
  padding: 14px 14px 16px;
}

.page-faq .faq-anchors__label {
  margin: 0 0 10px;
  font-size: .7rem;
  letter-spacing: .2em;
  text-transform: uppercase;
  color: rgba(0, 229, 199, .78);
}

.page-faq .faq-anchors__list {
  list-style: none;
  margin: 0;
  padding: 0 0 4px;
  display: grid;
  grid-auto-flow: column;
  grid-auto-columns: max-content;
  gap: 6px;
  overflow-x: auto;
  scrollbar-width: thin;
  -webkit-overflow-scrolling: touch;
}

.page-faq .faq-anchors__link {
  display: flex;
  align-items: center;
  gap: 9px;
  padding: 9px 12px;
  border-radius: var(--radius-sm);
  border-bottom: 2px solid transparent;
  color: var(--cool);
  font-size: .86rem;
  text-decoration: none;
  white-space: nowrap;
  transition: color var(--speed), background var(--speed), border-color var(--speed);
}

.page-faq .faq-anchors__link .mono {
  font-size: .72rem;
  opacity: .72;
}

.page-faq .faq-anchors__link:hover,
.page-faq .faq-anchors__link:focus-visible {
  color: var(--text-strong);
  background: rgba(0, 229, 199, .12);
  border-bottom-color: var(--cyan);
  outline: none;
}

.page-faq .faq-anchors__link:focus-visible {
  box-shadow: 0 0 0 2px rgba(42, 245, 208, .7);
}

.page-faq .faq-anchors__link[aria-current="true"] {
  color: var(--cyan);
  border-bottom-color: var(--cyan);
  background: rgba(0, 229, 199, .14);
}

/* ---------- 文档区 ---------- */
.page-faq .faq-docs {
  min-width: 0;
  overflow-wrap: anywhere;
}

.page-faq .faq-docs .display-2 {
  color: var(--faq-ink);
  margin: 0;
  font-size: clamp(1.42rem, 3.6vw, 1.94rem);
  line-height: 1.24;
}

.page-faq .faq-chapter {
  padding-top: clamp(26px, 3.4vw, 40px);
  margin-top: clamp(28px, 3.6vw, 44px);
  border-top: 1px solid var(--faq-line);
  scroll-margin-top: calc(var(--header-h) + 22px);
}

.page-faq .faq-chapter:first-child {
  padding-top: 0;
  margin-top: 0;
  border-top: 0;
}

.page-faq .faq-chapter__head {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: 6px 16px;
  align-items: start;
  margin-bottom: clamp(18px, 2.6vw, 26px);
}

.page-faq .faq-chapter__num {
  font-size: clamp(1.9rem, 6vw, 2.9rem);
  font-weight: 700;
  line-height: .92;
  letter-spacing: -.03em;
  color: var(--faq-cyan-deep);
  opacity: .55;
}

.page-faq .faq-chapter__goal {
  margin: 10px 0 0;
  font-size: .9rem;
  line-height: 1.7;
  color: var(--faq-ink-soft);
}

/* ---------- 步骤卡片 ---------- */
.page-faq .faq-steps {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 12px;
}

.page-faq .faq-step {
  display: grid;
  grid-template-columns: 40px minmax(0, 1fr);
  column-gap: 14px;
  row-gap: 6px;
  align-items: start;
  padding: 18px 20px;
  background: rgba(7, 26, 20, .035);
  border: 1px solid var(--faq-line);
  border-radius: var(--radius-md);
  transition: background var(--speed), border-color var(--speed);
}

.page-faq .faq-step:hover {
  background: rgba(7, 26, 20, .06);
  border-color: rgba(0, 122, 105, .38);
}

.page-faq .faq-step__num {
  grid-column: 1;
  grid-row: 1 / span 2;
  font-size: 1.34rem;
  font-weight: 700;
  line-height: 1.1;
  color: rgba(0, 122, 105, .5);
}

.page-faq .faq-step__title {
  margin: 0;
  font-size: 1rem;
  font-weight: 700;
  line-height: 1.5;
  color: var(--faq-ink);
}

.page-faq .faq-step__text {
  margin: 0;
  font-size: .9rem;
  line-height: 1.76;
  color: var(--faq-ink-soft);
}

.page-faq .faq-step__check {
  grid-column: 2;
  justify-self: start;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  margin-top: 6px;
  padding: 5px 12px 5px 9px;
  border: 1px solid var(--faq-line-strong);
  border-radius: 999px;
  background: transparent;
  color: var(--faq-ink-soft);
  font: inherit;
  font-size: .76rem;
  cursor: pointer;
  transition: color var(--speed), border-color var(--speed), background var(--speed);
}

.page-faq .faq-step__box {
  width: 13px;
  height: 13px;
  border: 1px solid var(--faq-line-strong);
  border-radius: 3px;
  position: relative;
  transition: background var(--speed), border-color var(--speed);
}

.page-faq .faq-step__check:hover {
  border-color: var(--faq-cyan-deep);
  color: var(--faq-cyan-deep);
}

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

.page-faq .faq-step__check[data-state="done"] {
  border-color: var(--faq-cyan-deep);
  background: rgba(0, 229, 199, .16);
  color: var(--faq-cyan-deep);
}

.page-faq .faq-step__check[data-state="done"] .faq-step__box {
  background: var(--faq-cyan-deep);
  border-color: var(--faq-cyan-deep);
}

.page-faq .faq-step__check[data-state="done"] .faq-step__box::after {
  content: "";
  position: absolute;
  left: 3px;
  top: 0;
  width: 5px;
  height: 8px;
  border-right: 2px solid var(--faq-paper);
  border-bottom: 2px solid var(--faq-paper);
  transform: rotate(42deg);
}

.page-faq .faq-step__check[data-state="done"] .faq-step__checktext::after {
  content: "";
}

/* ---------- 三段主题卡 ---------- */
.page-faq .faq-topics {
  display: grid;
  gap: 14px;
}

.page-faq .faq-topic {
  padding: 20px 20px 22px;
  background: rgba(255, 255, 255, .62);
  border: 1px solid var(--faq-line);
  border-left: 3px solid rgba(0, 122, 105, .45);
  border-radius: var(--radius-md);
  transition: border-left-color var(--speed), background var(--speed);
}

.page-faq .faq-topic:hover {
  background: #fff;
  border-left-color: var(--faq-cyan-deep);
}

.page-faq .faq-topic__tag {
  margin: 0 0 8px;
  font-size: .72rem;
  letter-spacing: .16em;
  color: var(--faq-cyan-deep);
  text-transform: uppercase;
}

.page-faq .faq-topic__title {
  margin: 0 0 12px;
  font-size: 1.06rem;
  font-weight: 700;
  color: var(--faq-ink);
}

.page-faq .faq-topic__list {
  margin: 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 8px;
}

.page-faq .faq-topic__list li {
  position: relative;
  padding-left: 18px;
  font-size: .89rem;
  line-height: 1.74;
  color: var(--faq-ink-soft);
}

.page-faq .faq-topic__list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: .68em;
  width: 8px;
  height: 1px;
  background: var(--faq-cyan-deep);
  opacity: .7;
}

/* ---------- 苹果测试版章节 ---------- */
.page-faq .faq-lead {
  margin: 0 0 22px;
  font-size: .95rem;
  line-height: 1.82;
  color: var(--faq-ink-soft);
  max-width: 68ch;
}

.page-faq .faq-beta {
  display: grid;
  gap: 20px;
}

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

.page-faq .faq-note {
  margin: 20px 0 0;
  padding: 14px 18px;
  border-left: 3px solid var(--orange);
  background: rgba(255, 138, 61, .1);
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
  font-size: .87rem;
  line-height: 1.76;
  color: #6B3F1E;
}

/* ---------- 折叠问答 ---------- */
.page-faq .faq-accordion {
  display: grid;
  gap: 10px;
}

.page-faq .faq-qa {
  border: 1px solid var(--faq-line);
  border-radius: var(--radius-md);
  background: rgba(255, 255, 255, .58);
  overflow: hidden;
  transition: border-color var(--speed), background var(--speed);
}

.page-faq .faq-qa[open] {
  border-color: rgba(0, 122, 105, .45);
  background: #fff;
}

.page-faq .faq-qa summary {
  position: relative;
  padding: 16px 50px 16px 18px;
  font-size: .96rem;
  font-weight: 700;
  line-height: 1.6;
  color: var(--faq-ink);
  cursor: pointer;
  list-style: none;
}

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

.page-faq .faq-qa summary::after {
  content: "+";
  position: absolute;
  right: 18px;
  top: 50%;
  transform: translateY(-50%);
  font-family: var(--font-mono);
  font-size: 1.1rem;
  color: var(--faq-cyan-deep);
  transition: transform var(--speed);
}

.page-faq .faq-qa[open] summary::after {
  content: "–";
  transform: translateY(-50%) rotate(180deg);
}

.page-faq .faq-qa summary:focus-visible {
  outline: 2px solid var(--faq-cyan-deep);
  outline-offset: -3px;
}

.page-faq .faq-qa__body {
  padding: 0 18px 18px;
  font-size: .89rem;
  line-height: 1.8;
  color: var(--faq-ink-soft);
  border-top: 1px solid var(--faq-line);
  padding-top: 14px;
  margin-top: 2px;
}

/* ---------- 联系帮助 ---------- */
.page-faq .faq-help {
  display: grid;
  gap: 22px;
  padding: clamp(20px, 3vw, 28px);
  background: var(--faq-ink);
  border-radius: var(--radius-lg);
  color: var(--text);
}

.page-faq .faq-help__text {
  margin: 0;
  font-size: .93rem;
  line-height: 1.82;
  color: rgba(217, 230, 224, .86);
}

.page-faq .faq-help__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 20px;
}

.page-faq .faq-copy {
  border: 1px solid rgba(0, 229, 199, .4);
  background: transparent;
  color: var(--cyan);
  border-radius: 999px;
  padding: 10px 18px;
  font: inherit;
  font-size: .86rem;
  cursor: pointer;
  transition: background var(--speed), color var(--speed), border-color var(--speed);
}

.page-faq .faq-copy:hover {
  background: rgba(0, 229, 199, .14);
}

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

.page-faq .faq-copy[data-state="done"] {
  color: var(--lime);
  border-color: var(--lime);
  background: rgba(200, 255, 77, .12);
}

.page-faq .faq-help__note {
  margin: 16px 0 0;
  font-size: .8rem;
  line-height: 1.72;
  color: rgba(155, 176, 168, .95);
}

.page-faq .faq-help__list {
  margin: 0;
  padding: 0;
  display: grid;
  gap: 0;
  border-top: 1px solid rgba(155, 176, 168, .22);
}

.page-faq .faq-help__row {
  display: grid;
  gap: 4px;
  padding: 13px 0;
  border-bottom: 1px solid rgba(155, 176, 168, .18);
}

.page-faq .faq-help__k {
  font-size: .74rem;
  letter-spacing: .14em;
  color: rgba(0, 229, 199, .8);
  text-transform: uppercase;
}

.page-faq .faq-help__v {
  margin: 0;
  font-size: .9rem;
  line-height: 1.68;
  color: var(--text-strong);
  overflow-wrap: anywhere;
}

.page-faq .faq-related {
  margin: 24px 0 0;
  font-size: .88rem;
  line-height: 1.8;
  color: var(--faq-ink-soft);
}

.page-faq .faq-related__link {
  color: var(--faq-cyan-deep);
  text-decoration: none;
  border-bottom: 1px solid rgba(0, 122, 105, .4);
  padding-bottom: 1px;
  transition: border-color var(--speed), color var(--speed);
}

.page-faq .faq-related__link:hover,
.page-faq .faq-related__link:focus-visible {
  color: var(--faq-ink);
  border-bottom-color: var(--faq-ink);
}

/* ---------- 响应式 ---------- */
@media (min-width: 720px) {
  .page-faq .faq-topics {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .page-faq .faq-help__row {
    grid-template-columns: 132px minmax(0, 1fr);
    gap: 0 18px;
    align-items: baseline;
  }
}

@media (min-width: 1000px) {
  .page-faq .faq-intro__grid {
    grid-template-columns: minmax(0, 1.06fr) minmax(0, .94fr);
    align-items: center;
  }

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

  .page-faq .faq-rail {
    position: sticky;
    top: calc(var(--header-h) + 20px);
    align-self: start;
  }

  .page-faq .faq-anchors__list {
    grid-auto-flow: row;
    grid-auto-columns: auto;
    overflow: visible;
    padding-bottom: 0;
    gap: 2px;
  }

  .page-faq .faq-anchors__link {
    white-space: normal;
    border-bottom: 0;
    border-left: 2px solid transparent;
    border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
  }

  .page-faq .faq-anchors__link:hover,
  .page-faq .faq-anchors__link:focus-visible,
  .page-faq .faq-anchors__link[aria-current="true"] {
    border-bottom-color: transparent;
    border-left-color: var(--cyan);
  }

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

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

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

@media (min-width: 1240px) {
  .page-faq .faq-chapter__head {
    gap: 8px 22px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-faq .faq-step,
  .page-faq .faq-topic,
  .page-faq .faq-qa,
  .page-faq .faq-anchors__link,
  .page-faq .faq-copy,
  .page-faq .faq-step__check {
    transition: none;
  }
}
</final>

.page-faq .faq-steps--compact {
  gap: 10px;
}
</final>