.page-faq {
  --faq-rail: 236px;
  --faq-gap: clamp(20px, 3vw, 44px);
  background-color: var(--mist);
  color: var(--ink);
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.75;
  -webkit-font-smoothing: antialiased;
}

.page-faq *,
.page-faq *::before,
.page-faq *::after {
  box-sizing: border-box;
}

.page-faq h1,
.page-faq h2,
.page-faq h3,
.page-faq p,
.page-faq ul,
.page-faq ol,
.page-faq figure {
  margin: 0;
  padding: 0;
}

.page-faq ul,
.page-faq ol {
  list-style: none;
}

.page-faq h1,
.page-faq h2,
.page-faq h3 {
  font-family: var(--font-display);
  line-height: 1.28;
  letter-spacing: -0.01em;
}

.page-faq a {
  color: var(--lake);
  text-decoration: none;
  border-bottom: 1px solid rgba(31, 110, 122, 0.35);
  transition: color 0.18s var(--ease), border-color 0.18s var(--ease);
}

.page-faq a:hover {
  color: var(--ochre-deep);
  border-bottom-color: var(--ochre);
}

.page-faq .mono {
  font-family: var(--font-mono);
  font-weight: 500;
  letter-spacing: 0.02em;
}

/* ---------- 面包屑 ---------- */
.page-faq .faq-crumbwrap {
  padding-top: 14px;
  padding-bottom: 4px;
}

.page-faq .faq-crumb {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 6px;
  font-size: 12.5px;
  color: rgba(29, 29, 27, 0.62);
}

.page-faq .faq-crumb a {
  color: rgba(29, 29, 27, 0.62);
  border-bottom: 0;
}

.page-faq .faq-crumb a:hover {
  color: var(--ochre);
}

.page-faq .faq-crumb__sep {
  color: var(--line-strong);
}

/* ---------- 框景首屏 ---------- */
.page-faq .faq-hero {
  padding: 10px 0 30px;
}

.page-faq .faq-plate {
  position: relative;
  border: 1px solid var(--line-strong);
  background:
    repeating-linear-gradient(to bottom, rgba(29, 29, 27, 0.045) 0 1px, transparent 1px 30px),
    linear-gradient(180deg, rgba(231, 225, 211, 0.5), rgba(244, 241, 234, 0) 62%),
    var(--mist);
}

.page-faq .faq-plate::before,
.page-faq .faq-plate::after {
  content: "";
  position: absolute;
  width: 24px;
  height: 24px;
  border: 3px solid var(--ochre);
  pointer-events: none;
}

.page-faq .faq-plate::before {
  top: -1px;
  left: -1px;
  border-right: 0;
  border-bottom: 0;
}

.page-faq .faq-plate::after {
  right: -1px;
  bottom: -1px;
  border-top: 0;
  border-left: 0;
}

.page-faq .faq-plate__bar {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 6px 16px;
  padding: 8px 16px;
  background: var(--deep);
  color: var(--lake-soft);
  font-size: 11.5px;
  letter-spacing: 0.08em;
  border-bottom: 1px solid var(--line);
}

.page-faq .faq-plate__body {
  padding: clamp(22px, 4vw, 40px) clamp(18px, 4vw, 40px) clamp(24px, 4vw, 40px);
}

.page-faq .faq-eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: 0.2em;
  color: var(--ochre);
}

.page-faq .faq-eyebrow::before {
  content: "";
  width: 20px;
  height: 2px;
  background: var(--ochre);
}

.page-faq .faq-plate__body h1 {
  margin-top: 12px;
  font-size: clamp(1.9rem, 5.2vw, 3.4rem);
  font-weight: 800;
  letter-spacing: -0.025em;
  max-width: 18ch;
}

.page-faq .faq-plate__lead {
  margin-top: 16px;
  max-width: 60ch;
  font-size: 1.03125rem;
  color: rgba(29, 29, 27, 0.8);
}

.page-faq .faq-facts {
  display: flex;
  flex-wrap: wrap;
  gap: 10px 28px;
  margin-top: 24px;
  padding-top: 16px;
  border-top: 1px solid var(--line);
}

.page-faq .faq-facts li {
  display: flex;
  align-items: baseline;
  gap: 8px;
  font-size: 12.5px;
  color: rgba(29, 29, 27, 0.68);
}

.page-faq .faq-facts .mono {
  font-size: 15px;
  font-weight: 600;
  color: var(--lake);
}

/* ---------- 两栏骨架 ---------- */
.page-faq .faq-body {
  padding-bottom: 64px;
}

.page-faq .faq-layout {
  display: grid;
  grid-template-columns: 1fr;
  gap: 18px;
  align-items: start;
}

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

/* ---------- 场景目录 ---------- */
.page-faq .faq-rail {
  border: 1px solid var(--line);
  background: var(--glass);
  padding: 12px 14px;
  backdrop-filter: blur(6px);
}

.page-faq .faq-rail__title {
  font-size: 11px;
  letter-spacing: 0.22em;
  color: var(--deep);
  padding-bottom: 8px;
  border-bottom: 1px solid var(--line);
}

.page-faq .faq-rail__list {
  display: flex;
  gap: 6px;
  margin-top: 10px;
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
  scrollbar-width: thin;
}

.page-faq .faq-rail__item,
.page-faq .faq-rail__list > li {
  flex: 0 0 auto;
}

.page-faq .faq-rail__link {
  display: flex;
  align-items: baseline;
  gap: 7px;
  padding: 5px 9px;
  font-size: 13.5px;
  color: rgba(29, 29, 27, 0.72);
  white-space: nowrap;
  border: 0;
  border-bottom: 2px solid transparent;
  transition: color 0.18s var(--ease), background-color 0.18s var(--ease), border-color 0.18s var(--ease);
}

.page-faq .faq-rail__link .mono {
  font-size: 10.5px;
  color: var(--ochre);
}

.page-faq .faq-rail__link:hover {
  color: var(--ink);
  background: var(--paper);
  border-bottom-color: var(--ochre);
}

.page-faq .faq-rail__link[aria-current="true"] {
  color: var(--ink);
  font-weight: 600;
  background: var(--paper);
  border-bottom-color: var(--ochre);
}

.page-faq .faq-rail__note {
  display: none;
  margin-top: 12px;
  padding-top: 10px;
  border-top: 1px dashed var(--line-strong);
  font-size: 12.5px;
  color: rgba(29, 29, 27, 0.6);
  line-height: 1.6;
}

/* ---------- 章节 ---------- */
.page-faq .faq-sec {
  padding: 28px 0 32px;
  border-top: 1px solid var(--line);
  scroll-margin-top: 96px;
}

.page-faq .faq-sec:first-child {
  padding-top: 4px;
  border-top: 0;
}

.page-faq .faq-sec__head {
  display: flex;
  align-items: baseline;
  gap: 12px;
}

.page-faq .faq-sec__num {
  flex: 0 0 auto;
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.06em;
  color: var(--ochre);
  background: var(--paper);
  border: 1px solid rgba(168, 68, 42, 0.28);
  padding: 2px 7px;
  line-height: 1.5;
}

.page-faq .faq-sec__head h2 {
  font-size: clamp(1.32rem, 3.4vw, 1.8rem);
  font-weight: 800;
}

.page-faq .faq-sec__intro {
  margin-top: 12px;
  max-width: 64ch;
  color: rgba(29, 29, 27, 0.78);
}

/* ---------- 三步路径 ---------- */
.page-faq .faq-steps {
  display: grid;
  grid-template-columns: 1fr;
  gap: 14px;
  margin-top: 22px;
}

.page-faq .faq-step {
  border: 1px solid var(--line);
  border-top: 3px solid var(--lake);
  background: rgba(255, 255, 255, 0.52);
  padding: 16px 15px 15px;
}

.page-faq .faq-step__num {
  display: block;
  font-size: 22px;
  font-weight: 700;
  line-height: 1;
  color: var(--lake-soft);
}

.page-faq .faq-step h3 {
  margin-top: 8px;
  font-size: 1.03125rem;
  font-weight: 700;
}

.page-faq .faq-step p {
  margin-top: 8px;
  font-size: 14.5px;
  color: rgba(29, 29, 27, 0.78);
}

.page-faq .faq-step .faq-step__hint {
  margin-top: 12px;
  padding-top: 10px;
  border-top: 1px dashed var(--line-strong);
  font-size: 13px;
  color: rgba(29, 29, 27, 0.68);
}

.page-faq .faq-step__hint .mono {
  display: inline-block;
  margin-right: 6px;
  color: var(--ochre);
  font-size: 11.5px;
  letter-spacing: 0.06em;
}

/* ---------- 图片 ---------- */
.page-faq .faq-figure {
  margin-top: 24px;
  padding: 9px;
  border: 1px solid var(--line);
  background: var(--paper);
}

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

.page-faq .faq-figure figcaption {
  margin-top: 9px;
  font-family: var(--font-mono);
  font-size: 12px;
  line-height: 1.6;
  color: rgba(29, 29, 27, 0.62);
}

/* ---------- 折叠问答 ---------- */
.page-faq .faq-acc {
  margin-top: 20px;
  border: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.55);
}

.page-faq .faq-acc details {
  border-top: 1px solid var(--line);
}

.page-faq .faq-acc details:first-child {
  border-top: 0;
}

.page-faq .faq-acc summary {
  position: relative;
  display: flex;
  align-items: baseline;
  gap: 10px;
  padding: 14px 42px 14px 16px;
  font-size: 15px;
  font-weight: 600;
  color: var(--ink);
  cursor: pointer;
  list-style: none;
  transition: background-color 0.18s var(--ease), box-shadow 0.18s var(--ease);
}

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

.page-faq .faq-acc summary::after {
  content: "+";
  position: absolute;
  right: 15px;
  top: 50%;
  transform: translateY(-50%);
  font-family: var(--font-mono);
  font-size: 17px;
  color: var(--ochre);
}

.page-faq .faq-acc details[open] summary::after {
  content: "–";
}

.page-faq .faq-acc summary:hover {
  background: rgba(231, 225, 211, 0.55);
}

.page-faq .faq-acc details[open] summary {
  background: var(--paper);
  box-shadow: inset 3px 0 0 var(--ochre);
}

.page-faq .faq-acc summary .mono {
  flex: 0 0 auto;
  font-size: 11.5px;
  color: var(--wine);
}

.page-faq .faq-acc__a {
  padding: 14px 16px 18px;
  border-top: 1px dashed var(--line);
  font-size: 14.5px;
  color: rgba(29, 29, 27, 0.82);
}

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

.page-faq .faq-acc__a ul {
  margin-top: 10px;
}

.page-faq .faq-acc__a li {
  position: relative;
  padding-left: 18px;
  margin-top: 6px;
}

.page-faq .faq-acc__a li::before {
  content: "→";
  position: absolute;
  left: 0;
  top: 0;
  font-size: 12px;
  color: var(--lake);
}

/* ---------- 适配排查 ---------- */
.page-faq .faq-check-layout {
  display: grid;
  grid-template-columns: 1fr;
  gap: 18px;
  margin-top: 20px;
}

.page-faq .faq-checks {
  display: grid;
  gap: 12px;
}

.page-faq .faq-check {
  border: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.48);
  padding: 15px 15px 16px;
}

.page-faq .faq-check__k {
  display: inline-block;
  font-size: 11px;
  letter-spacing: 0.14em;
  color: var(--tea);
  border-bottom: 1px solid rgba(47, 75, 58, 0.3);
}

.page-faq .faq-check h3 {
  margin-top: 8px;
  font-size: 1.03125rem;
  font-weight: 700;
}

.page-faq .faq-check > p {
  margin-top: 6px;
  font-size: 14.5px;
  color: rgba(29, 29, 27, 0.78);
}

.page-faq .faq-sub {
  margin-top: 10px;
  padding-top: 8px;
  border-top: 1px dashed var(--line);
}

.page-faq .faq-sub li {
  position: relative;
  padding-left: 18px;
  margin-top: 6px;
  font-size: 13.5px;
  color: rgba(29, 29, 27, 0.72);
}

.page-faq .faq-sub li::before {
  content: "›";
  position: absolute;
  left: 4px;
  top: -1px;
  font-weight: 700;
  color: var(--ochre);
}

/* ---------- 资料查找 ---------- */
.page-faq .faq-paths {
  display: grid;
  grid-template-columns: 1fr;
  gap: 14px;
  margin-top: 20px;
}

.page-faq .faq-path {
  border: 1px solid var(--line);
  border-left: 4px solid var(--indigo);
  background: rgba(255, 255, 255, 0.5);
  padding: 16px 15px;
}

.page-faq .faq-path--alt {
  border-left-color: var(--lake);
}

.page-faq .faq-path__k {
  font-size: 11px;
  letter-spacing: 0.14em;
  color: var(--indigo);
}

.page-faq .faq-path--alt .faq-path__k {
  color: var(--lake);
}

.page-faq .faq-path h3 {
  margin-top: 7px;
  font-size: 1.03125rem;
  font-weight: 700;
}

.page-faq .faq-path p {
  margin-top: 7px;
  font-size: 14.5px;
  color: rgba(29, 29, 27, 0.78);
}

.page-faq .faq-path .faq-path__tip {
  margin-top: 10px;
  padding-top: 8px;
  border-top: 1px dashed var(--line);
  font-size: 12.5px;
  color: rgba(29, 29, 27, 0.6);
}

.page-faq .faq-note {
  margin-top: 16px;
  padding: 14px 16px;
  background: var(--paper);
  border: 1px solid var(--line);
}

.page-faq .faq-note__k {
  font-size: 11px;
  letter-spacing: 0.14em;
  color: var(--wine);
}

.page-faq .faq-note p + p {
  margin-top: 6px;
  font-size: 14.5px;
  color: rgba(29, 29, 27, 0.8);
}

/* ---------- 联系支持 ---------- */
.page-faq .faq-prep {
  display: grid;
  gap: 0;
  margin-top: 20px;
  border: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.48);
}

.page-faq .faq-prep li {
  display: grid;
  grid-template-columns: 34px 1fr;
  gap: 12px;
  padding: 14px 15px;
  border-top: 1px dashed var(--line);
}

.page-faq .faq-prep li:first-child {
  border-top: 0;
}

.page-faq .faq-prep__no {
  font-size: 15px;
  font-weight: 600;
  color: var(--lake-soft);
  line-height: 1.5;
}

.page-faq .faq-prep h3 {
  font-size: 1rem;
  font-weight: 700;
}

.page-faq .faq-prep p {
  margin-top: 4px;
  font-size: 14px;
  color: rgba(29, 29, 27, 0.76);
}

.page-faq .faq-channels {
  display: grid;
  grid-template-columns: 1fr;
  gap: 14px;
  margin-top: 20px;
}

.page-faq .faq-channel {
  border: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.55);
  padding: 16px 15px;
}

.page-faq .faq-channel--deep {
  background: var(--deep);
  border-color: var(--deep);
  color: var(--mist);
}

.page-faq .faq-channel--warm {
  background: rgba(168, 68, 42, 0.08);
  border-color: rgba(168, 68, 42, 0.3);
}

.page-faq .faq-channel__k {
  font-size: 11px;
  letter-spacing: 0.16em;
  color: var(--tea);
}

.page-faq .faq-channel--deep .faq-channel__k {
  color: var(--lake-soft);
}

.page-faq .faq-channel--warm .faq-channel__k {
  color: var(--ochre-deep);
}

.page-faq .faq-channel__v {
  margin-top: 8px;
  font-size: 15px;
  font-weight: 600;
  overflow-wrap: anywhere;
}

.page-faq .faq-channel__d {
  margin-top: 8px;
  font-size: 13.5px;
  line-height: 1.7;
  color: rgba(29, 29, 27, 0.72);
}

.page-faq .faq-channel--deep .faq-channel__d {
  color: rgba(244, 241, 234, 0.78);
}

.page-faq .faq-copy {
  display: inline-flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  margin-top: 8px;
  padding: 6px 10px;
  background: transparent;
  border: 1px dashed var(--lake);
  color: var(--lake);
  font: inherit;
  cursor: pointer;
  transition: background-color 0.18s var(--ease), border-color 0.18s var(--ease), color 0.18s var(--ease);
}

.page-faq .faq-copy:hover {
  background: rgba(31, 110, 122, 0.1);
  border-color: var(--ochre);
  color: var(--ochre-deep);
}

.page-faq .faq-copy .mono {
  font-size: 13px;
  overflow-wrap: anywhere;
}

.page-faq .faq-copy .copybtn__hint {
  font-size: 11px;
  letter-spacing: 0.06em;
  opacity: 0.8;
}

.page-faq .faq-tail {
  margin-top: 16px;
  font-size: 14px;
  color: rgba(29, 29, 27, 0.72);
}

/* ---------- 继续检索 ---------- */
.page-faq .faq-sec--last {
  padding-bottom: 8px;
}

.page-faq .faq-find {
  margin-top: 20px;
  padding: clamp(16px, 3.4vw, 26px);
  border: 1px solid var(--line-strong);
  background: linear-gradient(180deg, rgba(31, 110, 122, 0.08), rgba(244, 241, 234, 0) 78%);
}

.page-faq .faq-find .cmd-search {
  position: relative;
}

.page-faq .faq-find .cmd-search__field {
  display: flex;
  align-items: center;
  gap: 10px;
  height: 52px;
  padding: 0 12px;
  border: 2px solid var(--ochre);
  background: var(--glass);
  backdrop-filter: blur(8px);
}

.page-faq .faq-find .cmd-search__icon {
  flex: 0 0 auto;
  font-size: 19px;
  line-height: 1;
  color: var(--ochre);
}

.page-faq .faq-find .cmd-search__input {
  flex: 1 1 auto;
  min-width: 0;
  border: 0;
  background: transparent;
  font-family: inherit;
  font-size: 15px;
  color: var(--ink);
  outline: none;
}

.page-faq .faq-find .cmd-search__input::placeholder {
  color: rgba(29, 29, 27, 0.45);
}

.page-faq .faq-find .cmd-search__key {
  flex: 0 0 auto;
  padding: 3px 6px;
  background: var(--paper);
  color: rgba(29, 29, 27, 0.66);
  font-size: 11px;
  white-space: nowrap;
}

.page-faq .faq-find .cmd-search__panel {
  display: none;
}

.page-faq .faq-find .cmd-search__panel[data-open="true"] {
  display: block;
  position: absolute;
  left: 0;
  right: 0;
  top: calc(100% + 6px);
  z-index: 20;
  max-height: 260px;
  overflow: auto;
  background: #fff;
  border: 1px solid var(--line-strong);
  box-shadow: 0 12px 28px rgba(18, 63, 71, 0.16);
}

.page-faq .faq-find__links {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 16px;
}

/* ---------- 响应式 ---------- */
@media (min-width: 720px) {
  .page-faq .faq-steps {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 12px;
  }

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

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

@media (min-width: 900px) {
  .page-faq .faq-layout {
    grid-template-columns: var(--faq-rail) minmax(0, 1fr);
    gap: var(--faq-gap);
  }

  .page-faq .faq-rail {
    position: sticky;
    top: calc(var(--header-size) + 14px);
    padding: 14px 14px 16px;
  }

  .page-faq .faq-rail__list {
    flex-direction: column;
    gap: 2px;
    margin-top: 12px;
    overflow: visible;
  }

  .page-faq .faq-rail__link {
    border-bottom: 0;
    border-left: 2px solid transparent;
    padding: 6px 10px;
    white-space: normal;
    line-height: 1.5;
  }

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

  .page-faq .faq-rail__note {
    display: block;
  }

  .page-faq .faq-sec {
    scroll-margin-top: calc(var(--header-size) + 20px);
  }

  .page-faq .faq-check-layout {
    grid-template-columns: minmax(0, 1.2fr) minmax(0, 0.8fr);
    gap: 24px;
    align-items: start;
  }

  .page-faq .faq-figure--tall {
    margin-top: 0;
  }
}

@media (min-width: 1100px) {
  .page-faq .faq-sec {
    padding: 34px 0 38px;
  }

  .page-faq .faq-plate__lead {
    font-size: 1.0625rem;
  }
}

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