.page-faq {
  background: var(--paper);
  color: var(--ink);
  overflow-x: hidden;
}

.page-faq :focus-visible {
  outline: 2px solid var(--sunset);
  outline-offset: 3px;
}

/* ---------- 首屏 ---------- */
.page-faq .faq-hero {
  position: relative;
  overflow: hidden;
  padding: 20px 0 44px;
}

.page-faq .faq-hero::before {
  content: "";
  position: absolute;
  top: -160px;
  left: -20%;
  width: 140%;
  height: 380px;
  background: var(--lake-mist);
  transform: rotate(-4deg);
  transform-origin: left top;
  z-index: 0;
  pointer-events: none;
}

.page-faq .faq-hero::after {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(var(--hairline) 1px, transparent 1px),
    linear-gradient(90deg, var(--hairline) 1px, transparent 1px);
  background-size: 64px 64px;
  opacity: 0.35;
  z-index: 0;
  pointer-events: none;
}

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

.page-faq .faq-hero .breadcrumb {
  font-size: 0.82rem;
  color: var(--stone);
}

.page-faq .faq-hero .breadcrumb a {
  color: var(--lake);
  text-decoration: none;
}

.page-faq .faq-hero .breadcrumb a:hover {
  color: var(--sunset);
}

.page-faq .faq-hero__grid {
  display: grid;
  gap: 26px;
  margin-top: 26px;
}

.page-faq .faq-hero__copy .display-title {
  margin: 10px 0 14px;
  max-width: 20ch;
  font-family: var(--font-serif);
  line-height: 1.16;
  letter-spacing: 0.01em;
}

.page-faq .faq-hero__copy .lede {
  max-width: 46ch;
  color: var(--ink);
  font-size: 1rem;
  line-height: 1.8;
}

.page-faq .faq-hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 24px;
}

.page-faq .faq-hero__plate {
  padding: 22px;
  background: var(--lake-deep);
  color: var(--paper);
  border: 1px solid var(--hairline-light);
  border-radius: 0;
}

.page-faq .faq-hero__plate .exhibit-label {
  color: var(--sunset-pale);
}

.page-faq .faq-plate__list {
  list-style: none;
  margin: 14px 0 0;
  padding: 0;
  display: grid;
  gap: 12px;
}

.page-faq .faq-plate__row {
  display: grid;
  gap: 4px;
  padding-bottom: 12px;
  border-bottom: 1px solid var(--hairline-light);
}

.page-faq .faq-plate__row:last-child {
  border-bottom: 0;
  padding-bottom: 0;
}

.page-faq .faq-plate__key {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.12em;
  color: rgba(248, 245, 236, 0.68);
}

.page-faq .faq-plate__val {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px;
  font-size: 0.96rem;
  color: var(--paper);
}

.page-faq .faq-plate__link {
  color: var(--paper);
  text-decoration: none;
  border-bottom: 1px solid rgba(248, 245, 236, 0.45);
  word-break: break-all;
}

.page-faq .faq-plate__link:hover {
  color: var(--sunset-pale);
  border-bottom-color: var(--sunset);
}

.page-faq .faq-hero__plate .field-note {
  margin: 16px 0 0;
  color: rgba(248, 245, 236, 0.78);
  font-size: 0.82rem;
  line-height: 1.7;
}

/* ---------- 两栏主体 ---------- */
.page-faq .faq-body {
  display: grid;
  gap: 28px;
  padding: 4px 0 64px;
}

.page-faq .faq-rail__kicker {
  margin: 0 0 10px;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.14em;
  color: var(--stone);
}

.page-faq .faq-rail__list {
  list-style: none;
  margin: 0 0 14px;
  padding: 0 0 6px;
  display: flex;
  gap: 8px;
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
}

.page-faq .faq-rail__item {
  flex: 0 0 auto;
}

.page-faq .faq-rail__link {
  display: inline-flex;
  align-items: baseline;
  gap: 8px;
  padding: 9px 13px;
  border: 1px solid var(--hairline);
  background: var(--paper);
  color: var(--ink);
  font-size: 0.9rem;
  text-decoration: none;
  white-space: nowrap;
  transition: background-color 160ms var(--ease), border-color 160ms var(--ease);
}

.page-faq .faq-rail__link .num {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  color: var(--sunset);
}

.page-faq .faq-rail__link:hover {
  background: var(--sunset-pale);
  border-color: var(--sunset);
}

.page-faq .faq-rail__back {
  display: inline-block;
  font-size: 0.88rem;
}

/* ---------- 章节 ---------- */
.page-faq .faq-sec {
  padding: 30px 0 34px;
  border-top: 1px solid var(--hairline);
  scroll-margin-top: calc(var(--bar-h) + 20px);
}

.page-faq .faq-sec:first-child {
  border-top: 0;
  padding-top: 8px;
}

.page-faq .faq-sec__head {
  display: grid;
  gap: 8px;
  margin-bottom: 22px;
}

.page-faq .faq-sec__num {
  font-family: var(--font-mono);
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.16em;
  color: var(--sunset);
}

.page-faq .faq-sec__title {
  margin: 0;
  font-family: var(--font-serif);
  font-weight: 700;
  font-size: clamp(1.35rem, 3.6vw, 1.85rem);
  line-height: 1.3;
  letter-spacing: 0.01em;
  color: var(--ink);
  max-width: 24ch;
}

.page-faq .faq-sec__note {
  margin: 0;
  font-size: 0.9rem;
  line-height: 1.75;
  color: var(--stone);
  max-width: 42ch;
}

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

.page-faq .qa:last-child {
  border-bottom: 1px solid var(--hairline);
}

.page-faq .qa__q {
  display: flex;
  align-items: baseline;
  gap: 12px;
  padding: 16px 0;
  margin: 0;
  cursor: pointer;
  list-style: none;
  font-size: 0.98rem;
  font-weight: 600;
  line-height: 1.65;
  color: var(--ink);
  transition: color 160ms var(--ease);
}

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

.page-faq .qa__q::after {
  content: "+";
  margin-left: auto;
  padding-left: 12px;
  font-family: var(--font-mono);
  font-weight: 600;
  color: var(--sunset);
}

.page-faq .qa[open] .qa__q {
  color: var(--lake);
}

.page-faq .qa[open] .qa__q::after {
  content: "−";
}

.page-faq .qa__num {
  flex: 0 0 auto;
  font-family: var(--font-mono);
  font-size: 0.76rem;
  font-weight: 600;
  color: var(--saffron);
  letter-spacing: 0.08em;
  padding-top: 3px;
}

.page-faq .qa__body {
  padding: 0 0 20px;
  font-size: 0.94rem;
  line-height: 1.8;
  color: var(--ink);
}

.page-faq .qa__body p {
  margin: 0 0 10px;
}

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

.page-faq .qa__body ol {
  margin: 10px 0 0;
  padding-left: 20px;
  display: grid;
  gap: 8px;
}

/* ---------- 换设备步骤 ---------- */
.page-faq .faq-device {
  display: grid;
  gap: 24px;
  margin-bottom: 20px;
}

.page-faq .faq-steps {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
}

.page-faq .faq-steps__item {
  display: grid;
  grid-template-columns: 34px minmax(0, 1fr);
  gap: 14px;
  padding: 14px 0;
  border-top: 1px solid var(--hairline);
}

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

.page-faq .faq-steps__num {
  font-family: var(--font-mono);
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--sunset);
  padding-top: 2px;
  letter-spacing: 0.06em;
}

.page-faq .faq-steps__text h3 {
  margin: 0 0 6px;
  font-family: var(--font-sans);
  font-size: 1rem;
  font-weight: 700;
  color: var(--ink);
}

.page-faq .faq-steps__text p {
  margin: 0;
  font-size: 0.92rem;
  line-height: 1.75;
  color: var(--stone);
}

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

.page-faq .faq-device__media .media-frame {
  border: 1px solid var(--hairline);
  background: var(--lake-mist);
}

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

.page-faq .media-caption {
  margin: 10px 0 0;
  font-size: 0.8rem;
  line-height: 1.7;
  color: var(--stone);
}

.page-faq .faq-note {
  margin: 0 0 20px;
  padding: 14px 16px;
  border-left: 3px solid var(--saffron);
  background: var(--sunset-pale);
  font-size: 0.9rem;
  line-height: 1.75;
  color: var(--ink);
}

.page-faq .faq-note .tag {
  margin-right: 8px;
}

/* ---------- 新手练习路径 ---------- */
.page-faq .faq-stage {
  padding: 0 0 0 16px;
  margin: 0 0 22px;
  border-left: 2px solid var(--lake-mist);
}

.page-faq .faq-stage__title {
  display: flex;
  align-items: baseline;
  gap: 10px;
  margin: 0 0 6px;
  font-family: var(--font-sans);
  font-size: 1rem;
  font-weight: 700;
  color: var(--lake-deep);
}

.page-faq .faq-stage__count {
  font-family: var(--font-mono);
  font-size: 0.76rem;
  color: var(--barley-ink);
  background: var(--lake-mist);
  padding: 2px 8px;
  letter-spacing: 0.06em;
}

.page-faq .faq-path {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 2px;
}

.page-faq .faq-path__item {
  display: grid;
  grid-template-columns: 30px minmax(0, 1fr);
  gap: 10px;
  padding: 9px 0;
  border-bottom: 1px dashed var(--hairline);
  font-size: 0.92rem;
  line-height: 1.7;
  color: var(--ink);
}

.page-faq .faq-path__num {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  font-weight: 600;
  color: var(--lake);
  padding-top: 3px;
}

.page-faq .faq-media {
  margin: 4px 0 24px;
}

.page-faq .faq-media .media-frame {
  border: 1px solid var(--hairline);
  background: var(--lake-mist);
}

/* ---------- 结算四步 ---------- */
.page-faq .faq-four {
  display: grid;
  gap: 1px;
  background: var(--hairline);
  border: 1px solid var(--hairline);
  margin-bottom: 22px;
}

.page-faq .faq-four__item {
  background: var(--paper);
  padding: 20px 18px;
  display: grid;
  gap: 8px;
  align-content: start;
}

.page-faq .faq-four__item--key {
  background: var(--sunset-pale);
}

.page-faq .faq-four__num {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.14em;
  color: var(--lake);
}

.page-faq .faq-four__item--key .faq-four__num {
  color: var(--saffron);
}

.page-faq .faq-four__title {
  margin: 0;
  font-family: var(--font-serif);
  font-size: 1.2rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  color: var(--ink);
}

.page-faq .faq-four__text {
  margin: 0;
  font-size: 0.88rem;
  line-height: 1.7;
  color: var(--ink);
}

.page-faq .faq-four__check {
  margin: 0;
  padding-top: 8px;
  border-top: 1px solid var(--hairline);
  font-size: 0.8rem;
  line-height: 1.65;
  color: var(--stone);
}

/* ---------- 反馈准备与联系方式 ---------- */
.page-faq .faq-prep {
  list-style: none;
  margin: 0 0 12px;
  padding: 0;
  display: grid;
  gap: 10px;
}

.page-faq .faq-prep li {
  position: relative;
  padding-left: 26px;
  font-size: 0.93rem;
  line-height: 1.75;
  color: var(--ink);
}

.page-faq .faq-prep li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.62em;
  width: 9px;
  height: 9px;
  border: 1.25px solid var(--lake);
}

.page-faq .faq-copy {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px;
  padding: 14px 0;
  border-top: 1px solid var(--hairline);
}

.page-faq .faq-copy__label {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.1em;
  color: var(--barley-ink);
  background: var(--lake-mist);
  padding: 3px 8px;
}

.page-faq .faq-copy__mail {
  font-family: var(--font-mono);
  font-size: 0.9rem;
  color: var(--lake);
  text-decoration: none;
  word-break: break-all;
  border-bottom: 1px solid var(--hairline);
}

.page-faq .faq-copy__mail:hover {
  color: var(--sunset);
  border-bottom-color: var(--sunset);
}

.page-faq .faq-more {
  margin-top: 24px;
  padding: 22px;
  background: var(--lake-mist);
  border: 1px solid var(--hairline);
  display: grid;
  gap: 14px;
}

.page-faq .faq-more .exhibit-label {
  color: var(--lake-deep);
}

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

.page-faq .faq-more__list li {
  display: grid;
  gap: 2px;
  padding-bottom: 10px;
  border-bottom: 1px solid var(--hairline);
}

.page-faq .faq-more__list li:last-child {
  border-bottom: 0;
  padding-bottom: 0;
}

.page-faq .faq-more__list span {
  font-size: 0.86rem;
  line-height: 1.7;
  color: var(--stone);
}

/* ---------- 中等屏幕 ---------- */
@media (min-width: 640px) {
  .page-faq .faq-hero {
    padding: 26px 0 56px;
  }

  .page-faq .faq-path {
    grid-template-columns: 1fr 1fr;
    gap: 2px 22px;
  }

  .page-faq .faq-four {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .page-faq .faq-rail__list {
    flex-wrap: wrap;
    overflow-x: visible;
  }
}

/* ---------- 桌面 ---------- */
@media (min-width: 900px) {
  .page-faq .faq-hero {
    padding: 32px 0 66px;
  }

  .page-faq .faq-hero__grid {
    grid-template-columns: minmax(0, 1.45fr) minmax(0, 0.85fr);
    gap: 52px;
    align-items: end;
    margin-top: 34px;
  }

  .page-faq .faq-hero__plate {
    padding: 26px;
  }

  .page-faq .faq-body {
    grid-template-columns: 236px minmax(0, 1fr);
    gap: 56px;
    align-items: start;
    padding-bottom: 88px;
  }

  .page-faq .faq-rail {
    position: sticky;
    top: 28px;
    padding-top: 10px;
  }

  .page-faq .faq-rail__list {
    display: grid;
    gap: 0;
    margin-bottom: 18px;
    border-left: 1px solid var(--hairline);
    overflow: visible;
  }

  .page-faq .faq-rail__link {
    width: 100%;
    padding: 10px 0 10px 14px;
    border: 0;
    border-left: 2px solid transparent;
    margin-left: -1px;
    background: transparent;
    font-size: 0.9rem;
    white-space: normal;
  }

  .page-faq .faq-rail__link:hover {
    border-left-color: var(--sunset);
    background: var(--lake-mist);
  }

  .page-faq .faq-sec {
    padding: 36px 0 42px;
  }

  .page-faq .faq-sec__head {
    grid-template-columns: minmax(0, 1fr);
    margin-bottom: 26px;
  }

  .page-faq .qa__body {
    padding-left: 38px;
    padding-right: 32px;
  }

  .page-faq .faq-device {
    grid-template-columns: minmax(0, 1.1fr) minmax(0, 0.9fr);
    gap: 40px;
    align-items: start;
  }

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

  .page-faq .faq-copy {
    gap: 14px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-faq .faq-rail__link,
  .page-faq .qa__q,
  .page-faq .faq-plate__link,
  .page-faq .faq-copy__mail {
    transition: none;
  }
}
<<<PAGE_CSS_END>>>