.page-faq {
  --faq-tone: var(--green);
  --faq-sidebar-w: 232px;
  background: var(--paper);
  color: var(--ink);
  font-family: var(--sans);
  overflow-x: hidden;
}

/* ---------- 面包屑 ---------- */
.page-faq .faq-crumbs {
  padding-top: 20px;
  padding-bottom: 6px;
}
.page-faq .breadcrumbs__list {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  margin: 0;
  padding: 0;
  list-style: none;
  font-family: var(--mono);
  font-size: 0.76rem;
  letter-spacing: 0.05em;
  color: var(--muted);
}
.page-faq .breadcrumbs__item {
  display: flex;
  align-items: center;
  gap: 8px;
}
.page-faq .breadcrumbs__item + .breadcrumbs__item::before {
  content: "/";
  color: var(--line);
}
.page-faq .breadcrumbs__link {
  color: var(--green);
  text-decoration: none;
  padding-bottom: 1px;
  border-bottom: 1px solid var(--line);
  transition: color 0.18s ease-out, border-color 0.18s ease-out;
}
.page-faq .breadcrumbs__link:hover,
.page-faq .breadcrumbs__link:focus-visible {
  color: var(--signal);
  border-bottom-color: var(--signal);
}

/* ---------- 首屏 ---------- */
.page-faq .faq-hero {
  background: var(--deep);
  color: var(--paper);
  padding: 36px 0 52px;
  border-bottom: 3px solid var(--edge);
}
.page-faq .faq-hero__grid {
  display: grid;
  gap: 32px;
}
.page-faq .faq-hero__grid > * {
  min-width: 0;
}
.page-faq .faq-hero .eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  margin: 0;
  color: var(--signal);
  font-family: var(--mono);
  font-size: 0.76rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}
.page-faq .faq-hero .eyebrow::before {
  content: "";
  width: 28px;
  height: 3px;
  background: var(--signal);
}
.page-faq .faq-hero__title {
  margin: 18px 0 18px;
  font-family: var(--sans);
  font-weight: 900;
  font-size: clamp(2.4rem, 9.5vw, 5rem);
  line-height: 1.04;
  letter-spacing: -0.03em;
  color: var(--paper);
}
.page-faq .faq-hero__title-accent {
  color: var(--signal);
}
.page-faq .faq-hero__lede {
  max-width: 44ch;
  margin: 0 0 26px;
  font-size: 1rem;
  line-height: 1.8;
  color: rgba(246, 243, 234, 0.82);
}

/* 检索框 */
.page-faq .faq-search {
  display: flex;
  align-items: stretch;
  max-width: 540px;
  border: 3px solid var(--paper);
  background: var(--green);
}
.page-faq .faq-search__input {
  flex: 1 1 auto;
  min-width: 0;
  padding: 15px 16px;
  border: 0;
  background: transparent;
  color: var(--paper);
  font-family: var(--mono);
  font-size: 0.84rem;
  letter-spacing: 0.02em;
}
.page-faq .faq-search__input::placeholder {
  color: rgba(246, 243, 234, 0.55);
}
.page-faq .faq-search__input:focus {
  outline: none;
  background: var(--edge);
}
.page-faq .faq-search__count {
  flex: none;
  display: inline-flex;
  align-items: center;
  padding: 0 14px;
  background: var(--signal);
  color: var(--deep);
  font-size: 0.76rem;
  font-weight: 700;
  letter-spacing: 0.05em;
  white-space: nowrap;
}

/* 首屏右侧 */
.page-faq .faq-hero__aside {
  display: grid;
  gap: 16px;
  align-content: start;
}
.page-faq .faq-hero__figure {
  margin: 0;
  border: 3px solid var(--paper);
  background: var(--green);
  overflow: hidden;
}
.page-faq .faq-hero__figure img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
}
.page-faq .faq-facts {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  margin: 0;
  padding: 0;
  list-style: none;
  border: 3px solid var(--paper);
}
.page-faq .faq-facts li {
  padding: 12px 10px;
  border-right: 1px solid rgba(246, 243, 234, 0.24);
}
.page-faq .faq-facts li:last-child {
  border-right: 0;
}
.page-faq .faq-facts__num {
  display: block;
  font-size: 1.32rem;
  font-weight: 700;
  line-height: 1.1;
  color: var(--signal);
}
.page-faq .faq-facts__label {
  display: block;
  margin-top: 7px;
  font-size: 0.72rem;
  line-height: 1.5;
  color: rgba(246, 243, 234, 0.72);
}

/* ---------- 分组跳转条 ---------- */
.page-faq .faq-jump {
  background: var(--moss);
  border-bottom: 2px solid var(--line);
}
.page-faq .faq-jump__list {
  display: grid;
  grid-template-columns: 1fr;
  margin: 0;
  padding: 0;
  list-style: none;
}
.page-faq .faq-jump__link {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 14px 2px;
  text-decoration: none;
  color: var(--ink);
  border-bottom: 1px solid var(--line);
  transition: background-color 0.18s ease-out;
}
.page-faq .faq-jump__list li:last-child .faq-jump__link {
  border-bottom: 0;
}
.page-faq .faq-jump__link:hover,
.page-faq .faq-jump__link:focus-visible {
  background: var(--paper);
}
.page-faq .faq-jump__dot {
  flex: none;
  width: 10px;
  height: 10px;
  background: var(--green);
}
.page-faq .faq-jump__link--install .faq-jump__dot {
  background: var(--signal);
}
.page-faq .faq-jump__link--version .faq-jump__dot {
  background: var(--stable);
}
.page-faq .faq-jump__link--account .faq-jump__dot {
  background: var(--new);
}
.page-faq .faq-jump__link--support .faq-jump__dot {
  background: var(--old);
}
.page-faq .faq-jump__name {
  font-size: 0.94rem;
  font-weight: 600;
}
.page-faq .faq-jump__meta {
  margin-left: auto;
  font-size: 0.76rem;
  color: var(--muted);
}

/* ---------- 主布局 ---------- */
.page-faq .faq-layout {
  display: grid;
  gap: 28px;
  padding: 40px 0 72px;
}
.page-faq .faq-side {
  display: grid;
  gap: 20px;
  align-content: start;
}

/* 目录 */
.page-faq .faq-toc {
  border: 2px solid var(--line);
  background: var(--paper);
}
.page-faq .faq-toc__summary {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 12px 14px;
  cursor: pointer;
  list-style: none;
  font-size: 0.76rem;
  letter-spacing: 0.1em;
  color: var(--muted);
  text-transform: uppercase;
}
.page-faq .faq-toc__summary::-webkit-details-marker {
  display: none;
}
.page-faq .faq-toc__summary::after {
  content: "+";
  font-size: 1rem;
  color: var(--green);
}
.page-faq .faq-toc[open] .faq-toc__summary::after {
  content: "−";
}
.page-faq .faq-toc[open] .faq-toc__summary {
  border-bottom: 1px solid var(--line);
}
.page-faq .faq-toc__body {
  padding: 12px 14px 14px;
}
.page-faq .toc__title {
  margin: 0 0 8px;
  font-size: 0.72rem;
  letter-spacing: 0.1em;
  color: var(--muted);
}
.page-faq .toc__list {
  display: grid;
  gap: 2px;
  margin: 0;
  padding: 0;
  list-style: none;
}
.page-faq .toc__link {
  display: block;
  padding: 8px 10px;
  font-size: 0.88rem;
  color: var(--ink);
  text-decoration: none;
  border-left: 3px solid transparent;
  transition: background-color 0.18s ease-out, border-color 0.18s ease-out;
}
.page-faq .toc__link:hover,
.page-faq .toc__link:focus-visible {
  background: var(--moss);
}
.page-faq .toc__link[aria-current="true"] {
  background: var(--moss);
  border-left-color: var(--signal);
  font-weight: 700;
}

/* 侧栏行动块 */
.page-faq .faq-side__cta {
  padding: 16px;
  background: var(--moss);
  border: 3px solid var(--deep);
  box-shadow: 6px 6px 0 var(--line);
}
.page-faq .faq-side__cta p {
  margin: 0 0 14px;
  font-size: 0.9rem;
  line-height: 1.7;
  color: var(--ink);
}

/* ---------- 问答区块 ---------- */
.page-faq .faq-block {
  margin-bottom: 56px;
  scroll-margin-top: 24px;
}
.page-faq .faq-block:last-child {
  margin-bottom: 0;
}
.page-faq .faq-block--hot {
  --faq-tone: var(--green);
}
.page-faq .faq-block--install {
  --faq-tone: var(--signal);
}
.page-faq .faq-block--version {
  --faq-tone: var(--stable);
}
.page-faq .faq-block--account {
  --faq-tone: var(--new);
}
.page-faq .faq-block--support {
  --faq-tone: var(--old);
}
.page-faq .faq-block__head {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  align-items: baseline;
  gap: 4px 12px;
  padding-bottom: 14px;
  border-bottom: 3px solid var(--ink);
}
.page-faq .faq-block__idx {
  font-size: 0.82rem;
  font-weight: 700;
  color: var(--faq-tone);
  letter-spacing: 0.06em;
}
.page-faq .faq-block__title {
  margin: 0;
  font-size: clamp(1.28rem, 4.6vw, 1.8rem);
  font-weight: 800;
  letter-spacing: -0.01em;
  line-height: 1.3;
  color: var(--ink);
}
.page-faq .faq-block__note {
  grid-column: 1 / -1;
  margin: 4px 0 0;
  font-size: 0.86rem;
  line-height: 1.65;
  color: var(--muted);
}

/* ---------- 单条问答 ---------- */
.page-faq .qa {
  border-bottom: 1px solid var(--line);
}
.page-faq .qa__summary {
  display: grid;
  grid-template-columns: 2.1rem minmax(0, 1fr) 1.1rem;
  align-items: start;
  gap: 10px;
  padding: 15px 10px 15px 4px;
  cursor: pointer;
  list-style: none;
  transition: background-color 0.18s ease-out;
}
.page-faq .qa__summary::-webkit-details-marker {
  display: none;
}
.page-faq .qa__summary:hover {
  background: var(--moss);
}
.page-faq .qa__summary:focus-visible {
  outline: 2px solid var(--signal);
  outline-offset: -2px;
}
.page-faq .qa__num {
  padding-top: 3px;
  font-size: 0.74rem;
  font-weight: 700;
  letter-spacing: 0.04em;
  color: var(--faq-tone);
}
.page-faq .qa__q {
  font-size: 0.99rem;
  font-weight: 600;
  line-height: 1.55;
  color: var(--ink);
  overflow-wrap: break-word;
}
.page-faq .qa__icon {
  position: relative;
  width: 16px;
  height: 16px;
  margin-top: 6px;
  border: 2px solid var(--muted);
}
.page-faq .qa__icon::before,
.page-faq .qa__icon::after {
  content: "";
  position: absolute;
  background: var(--muted);
}
.page-faq .qa__icon::before {
  left: 2px;
  right: 2px;
  top: 5px;
  height: 2px;
}
.page-faq .qa__icon::after {
  top: 2px;
  bottom: 2px;
  left: 5px;
  width: 2px;
  transition: opacity 0.18s ease-out;
}
.page-faq .qa[open] .qa__summary {
  background: var(--tint);
}
.page-faq .qa[open] .qa__icon {
  border-color: var(--signal);
}
.page-faq .qa[open] .qa__icon::before {
  background: var(--signal);
}
.page-faq .qa[open] .qa__icon::after {
  opacity: 0;
}
.page-faq .qa__body {
  padding: 2px 10px 22px calc(2.1rem + 14px);
}
.page-faq .qa__body > p {
  margin: 0 0 8px;
  font-size: 0.94rem;
  line-height: 1.8;
  color: var(--ink);
}
.page-faq .qa__body > p:last-child {
  margin-bottom: 0;
}
.page-faq .qa__body a {
  color: var(--green);
  text-decoration: underline;
  text-decoration-color: var(--line);
  text-underline-offset: 3px;
  transition: color 0.18s ease-out, text-decoration-color 0.18s ease-out;
}
.page-faq .qa__body a:hover,
.page-faq .qa__body a:focus-visible {
  color: var(--signal);
  text-decoration-color: var(--signal);
}
.page-faq .qa__steps {
  display: grid;
  gap: 8px;
  margin: 12px 0 0;
  padding: 0;
  list-style: none;
}
.page-faq .qa__steps li {
  display: grid;
  grid-template-columns: 1.4rem minmax(0, 1fr);
  gap: 8px;
  font-size: 0.9rem;
  line-height: 1.7;
  color: var(--muted);
}
.page-faq .qa__steps .mono {
  font-family: var(--mono);
  font-weight: 700;
  color: var(--signal);
}
.page-faq .qa__body .tag-row {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 12px;
}

/* ---------- 联系信息块 ---------- */
.page-faq .faq-contact {
  margin-top: 24px;
  padding: 20px 18px;
  background: var(--moss);
  border: 3px solid var(--deep);
  box-shadow: 8px 8px 0 var(--line);
}
.page-faq .faq-contact__title {
  margin: 0 0 16px;
  font-size: 1.05rem;
  font-weight: 800;
  letter-spacing: -0.01em;
  color: var(--ink);
}
.page-faq .faq-contact__list {
  display: grid;
  gap: 10px;
  margin: 0;
  padding: 0;
  list-style: none;
}
.page-faq .faq-contact__row {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px 12px;
  padding-bottom: 10px;
  border-bottom: 1px solid var(--line);
}
.page-faq .faq-contact__row:last-child {
  padding-bottom: 0;
  border-bottom: 0;
}
.page-faq .faq-contact__label {
  flex: none;
  min-width: 3rem;
  font-size: 0.72rem;
  letter-spacing: 0.08em;
  color: var(--muted);
}
.page-faq .faq-contact__value {
  font-family: var(--mono);
  font-size: 0.88rem;
  line-height: 1.6;
  color: var(--ink);
  overflow-wrap: anywhere;
}
.page-faq .faq-contact__copy {
  margin-left: auto;
  font-family: var(--mono);
  font-size: 0.74rem;
}
.page-faq .faq-contact__note {
  margin: 16px 0 0;
  font-size: 0.82rem;
  line-height: 1.7;
  color: var(--muted);
}
.page-faq .faq-contact__links {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 20px;
  margin: 14px 0 0;
}
.page-faq .faq-contact__links .link-arrow {
  font-size: 0.86rem;
  color: var(--green);
  text-decoration: none;
  border-bottom: 2px solid var(--signal);
  padding-bottom: 2px;
}
.page-faq .faq-contact__links .link-arrow:hover,
.page-faq .faq-contact__links .link-arrow:focus-visible {
  color: var(--signal);
}

/* ---------- 桌面端 ---------- */
@media (min-width: 900px) {
  .page-faq .faq-hero {
    padding: 64px 0 84px;
  }
  .page-faq .faq-hero__grid {
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
    gap: 56px;
    align-items: start;
  }
  .page-faq .faq-jump__list {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }
  .page-faq .faq-jump__link {
    padding: 16px 16px;
    border-bottom: 0;
    border-right: 1px solid var(--line);
  }
  .page-faq .faq-jump__list li:last-child .faq-jump__link {
    border-right: 0;
  }
  .page-faq .faq-jump__meta {
    margin-left: 0;
  }
  .page-faq .faq-layout {
    grid-template-columns: var(--faq-sidebar-w) minmax(0, 1fr);
    gap: 64px;
    padding: 64px 0 104px;
  }
  .page-faq .faq-side {
    position: sticky;
    top: 24px;
  }
  .page-faq .faq-toc__summary {
    display: none;
  }
  .page-faq .faq-toc[open] .faq-toc__summary {
    border-bottom: 0;
  }
  .page-faq .faq-block {
    margin-bottom: 72px;
  }
  .page-faq .qa__summary {
    padding: 17px 14px 17px 6px;
    grid-template-columns: 2.4rem minmax(0, 1fr) 1.2rem;
  }
  .page-faq .qa__q {
    font-size: 1.04rem;
  }
  .page-faq .qa__body {
    padding-left: calc(2.4rem + 18px);
    padding-right: 14px;
  }
  .page-faq .faq-contact {
    padding: 26px 24px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-faq * {
    transition-duration: 0.01ms !important;
    animation-duration: 0.01ms !important;
  }
}
<<<END>>>