.page-faq {
  --faq-gap: clamp(2.75rem, 7vw, 5rem);
  overflow-wrap: break-word;
}

/* ---------- 首屏 ---------- */
.page-faq .faq-hero {
  position: relative;
  padding: calc(var(--header-h) + 26px) 0 clamp(1.75rem, 4vw, 2.75rem);
  background:
    radial-gradient(120% 88% at 90% -12%, rgba(18, 100, 192, .16), transparent 62%),
    radial-gradient(90% 70% at -6% 6%, rgba(14, 139, 139, .12), transparent 58%),
    var(--cloud);
  overflow: hidden;
}

.page-faq .faq-hero-shell {
  display: grid;
  gap: 2rem;
}

.page-faq .faq-hero h1 {
  margin: .55rem 0 0;
  font-size: clamp(2rem, 7.2vw, 3.75rem);
  line-height: 1.1;
  font-weight: 900;
  letter-spacing: .01em;
  color: var(--ink);
  max-width: 22ch;
}

.page-faq .faq-h1-key {
  color: var(--sky);
}

.page-faq .faq-hero .lede {
  margin: 1.05rem 0 0;
  max-width: 54ch;
  font-size: 1rem;
  line-height: 1.9;
  color: var(--ink-soft);
}

.page-faq .faq-hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: .7rem;
  margin-top: 1.5rem;
}

.page-faq .faq-hero-aside {
  border: 1px solid var(--line);
  border-radius: var(--r);
  background: rgba(255, 255, 255, .72);
  box-shadow: var(--shadow);
  padding: 1.1rem 1.2rem 1.2rem;
}

.page-faq .faq-aside-title {
  margin: 0 0 .6rem;
  font-size: .74rem;
  letter-spacing: .18em;
  color: var(--ink-mute);
}

.page-faq .faq-toc {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: .05rem;
}

.page-faq .faq-toc a {
  display: flex;
  align-items: baseline;
  gap: .6rem;
  padding: .4rem 0;
  font-size: .92rem;
  color: var(--ink);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: color 160ms var(--ease), border-color 160ms var(--ease);
}

.page-faq .faq-toc a:hover,
.page-faq .faq-toc a:focus-visible {
  color: var(--sky);
  border-bottom-color: var(--line);
}

.page-faq .faq-toc .mono {
  font-size: .74rem;
  color: var(--ink-mute);
  flex: none;
}

/* ---------- 临时信息 ---------- */
.page-faq .faq-temp-section {
  padding: 0 0 clamp(2.25rem, 6vw, 3.5rem);
  background: var(--cloud);
}

.page-faq .faq-temp {
  border: 1px solid var(--line);
  border-left: 3px solid var(--sun);
  border-radius: var(--r);
  background: var(--mist);
  box-shadow: var(--shadow);
  overflow: hidden;
}

.page-faq .faq-temp-summary {
  display: flex;
  align-items: center;
  gap: .6rem;
  padding: .95rem 1.1rem;
  cursor: pointer;
  list-style: none;
  flex-wrap: wrap;
}

.page-faq .faq-temp-summary::-webkit-details-marker,
.page-faq .faq-guide-summary::-webkit-details-marker,
.page-faq .faq-step-summary::-webkit-details-marker {
  display: none;
}

.page-faq .faq-temp-headline {
  flex: 1 1 auto;
  min-width: 0;
  font-size: .97rem;
  font-weight: 700;
  color: var(--ink);
  line-height: 1.6;
}

.page-faq .faq-temp-caret {
  flex: none;
  width: 9px;
  height: 9px;
  margin-left: auto;
  border-right: 2px solid var(--sun-ink);
  border-bottom: 2px solid var(--sun-ink);
  transform: rotate(-135deg);
  transition: transform 200ms var(--ease);
}

.page-faq .faq-temp[open] .faq-temp-caret {
  transform: rotate(45deg);
}

.page-faq .faq-temp-body {
  padding: .2rem 1.1rem 1.15rem;
}

.page-faq .faq-temp-body p {
  margin: 0 0 .75rem;
  max-width: 68ch;
  font-size: .94rem;
  line-height: 1.85;
  color: var(--ink);
}

.page-faq .faq-temp-points {
  margin: 0 0 1rem;
  padding-left: 1.1rem;
  display: grid;
  gap: .3rem;
  font-size: .89rem;
  line-height: 1.75;
  color: var(--ink-soft);
}

.page-faq .faq-temp-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 1.15rem;
}

/* ---------- 通用章节标题 ---------- */
.page-faq .faq-sec-head {
  display: grid;
  gap: .7rem;
  margin-bottom: 1.6rem;
}

.page-faq .faq-sec-title {
  margin: 0;
  font-size: clamp(1.5rem, 4.4vw, 2.25rem);
  line-height: 1.22;
  font-weight: 900;
  letter-spacing: .01em;
  color: var(--ink);
  max-width: 26ch;
}

.page-faq .faq-sec-desc {
  margin: .7rem 0 0;
  max-width: 62ch;
  font-size: .96rem;
  line-height: 1.85;
  color: var(--ink-soft);
}

/* ---------- 四类原因 ---------- */
.page-faq .faq-reasons {
  padding: var(--faq-gap) 0;
  background: var(--paper);
  border-top: 1px solid var(--line);
}

.page-faq .faq-figure {
  margin: 0 0 1.75rem;
}

.page-faq .faq-figure img {
  display: block;
  width: 100%;
  height: auto;
  max-height: 400px;
  object-fit: cover;
  object-position: center;
  border: 1px solid var(--line);
  border-radius: var(--r);
  background: linear-gradient(135deg, var(--cloud), var(--mist));
}

.page-faq .faq-figure figcaption {
  margin-top: .6rem;
  font-size: .83rem;
  line-height: 1.7;
  color: var(--ink-mute);
}

.page-faq .faq-reason-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1rem;
}

.page-faq .faq-reason {
  position: relative;
  padding: 1.2rem 1.2rem 1.25rem;
  background: var(--paper);
  border: 1px solid var(--line);
  border-radius: var(--r);
  box-shadow: var(--shadow);
  transition: transform 240ms var(--ease), box-shadow 240ms var(--ease), border-color 240ms var(--ease);
}

.page-faq .faq-reason::before {
  content: "";
  position: absolute;
  inset: 0 0 auto 0;
  height: 2px;
  border-radius: var(--r) var(--r) 0 0;
  background: var(--accent, var(--sky));
}

.page-faq .faq-reason:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-lift);
  border-color: var(--line-strong);
}

.page-faq .faq-reason--sky { --accent: var(--sky); --dot: var(--sky); }
.page-faq .faq-reason--lake { --accent: var(--lake); --dot: var(--lake); }
.page-faq .faq-reason--sun { --accent: var(--sun); --dot: var(--sun); }
.page-faq .faq-reason--red { --accent: var(--flag-red); --dot: var(--flag-red); }

.page-faq .faq-reason-label {
  display: flex;
  align-items: center;
  gap: .5rem;
  margin: 0 0 .55rem;
  font-size: .76rem;
  letter-spacing: .14em;
  color: var(--ink-mute);
}

.page-faq .faq-reason-dot {
  flex: none;
  width: 9px;
  height: 9px;
  border-radius: 50%;
  background: var(--dot, var(--sky));
}

.page-faq .faq-reason-title {
  margin: 0 0 .5rem;
  font-size: 1.16rem;
  font-weight: 800;
  letter-spacing: .01em;
  color: var(--ink);
}

.page-faq .faq-reason-sign {
  margin: 0 0 .85rem;
  font-size: .92rem;
  line-height: 1.8;
  color: var(--ink-soft);
}

.page-faq .faq-reason-act {
  margin: 0;
  padding-top: .72rem;
  border-top: 1px dashed var(--line);
  font-size: .9rem;
  line-height: 1.75;
  color: var(--ink);
}

.page-faq .faq-reason-act .mono {
  margin-right: .45rem;
  font-size: .75rem;
  color: var(--sun-ink);
}

/* ---------- 三步自查 ---------- */
.page-faq .faq-steps {
  padding: var(--faq-gap) 0;
  background: var(--mist);
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.page-faq .faq-steps-shell {
  display: grid;
  gap: 2rem;
}

.page-faq .faq-steps-visual img {
  display: block;
  width: 100%;
  height: auto;
  max-height: 360px;
  object-fit: cover;
  border: 1px solid var(--line);
  border-radius: var(--r);
  background: linear-gradient(140deg, var(--cloud), var(--paper));
}

.page-faq .faq-steps-list {
  list-style: none;
  margin: 1.5rem 0 0;
  padding: 0;
  display: grid;
  gap: .85rem;
}

.page-faq .faq-step-details {
  background: var(--paper);
  border: 1px solid var(--line);
  border-radius: var(--r);
  box-shadow: var(--shadow);
  overflow: hidden;
  transition: border-color 200ms var(--ease);
}

.page-faq .faq-step-details[open] {
  border-color: var(--sky);
}

.page-faq .faq-step-summary {
  display: flex;
  align-items: center;
  gap: .85rem;
  padding: .95rem 1rem;
  cursor: pointer;
  list-style: none;
}

.page-faq .faq-step-num {
  flex: none;
  width: 2.1rem;
  height: 2.1rem;
  display: grid;
  place-items: center;
  border-radius: 50%;
  border: 1px solid var(--sky);
  background: var(--cloud);
  color: var(--sky);
  font-size: .78rem;
  transition: background 200ms var(--ease), color 200ms var(--ease);
}

.page-faq .faq-step-details[open] .faq-step-num {
  background: var(--sky);
  color: #fff;
}

.page-faq .faq-step-text {
  display: grid;
  gap: .18rem;
  min-width: 0;
}

.page-faq .faq-step-name {
  font-size: 1rem;
  font-weight: 700;
  color: var(--ink);
}

.page-faq .faq-step-hint {
  font-size: .83rem;
  line-height: 1.6;
  color: var(--ink-soft);
}

.page-faq .faq-step-caret {
  flex: none;
  margin-left: auto;
  width: 9px;
  height: 9px;
  border-right: 2px solid var(--ink-mute);
  border-bottom: 2px solid var(--ink-mute);
  transform: rotate(45deg);
  transition: transform 200ms var(--ease);
}

.page-faq .faq-step-details[open] .faq-step-caret {
  transform: rotate(-135deg);
}

.page-faq .faq-step-body {
  padding: 0 1rem 1rem;
  font-size: .91rem;
  line-height: 1.82;
  color: var(--ink-soft);
}

.page-faq .faq-step-body p {
  margin: 0 0 .6rem;
}

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

.page-faq .faq-step-rule {
  padding-left: .75rem;
  border-left: 2px solid var(--sun);
  color: var(--ink);
}

.page-faq .faq-step-rule .mono {
  margin-right: .45rem;
  font-size: .75rem;
  color: var(--sun-ink);
}

/* ---------- 使用指南 ---------- */
.page-faq .faq-guides {
  padding: var(--faq-gap) 0;
  background: var(--paper);
}

.page-faq .faq-filter {
  display: flex;
  flex-wrap: wrap;
  gap: .5rem;
  margin-top: 1.35rem;
}

.page-faq .faq-guide-list {
  display: grid;
  gap: .7rem;
  margin-top: 1.25rem;
}

.page-faq .faq-guide-group {
  border: 1px solid var(--line);
  border-radius: var(--r);
  background: var(--paper);
  box-shadow: var(--shadow);
  overflow: hidden;
  transition: border-color 200ms var(--ease);
}

.page-faq .faq-guide-group[open] {
  border-color: var(--line-strong);
}

.page-faq .faq-guide-summary {
  display: flex;
  align-items: center;
  gap: .8rem;
  padding: 1rem 1.1rem;
  cursor: pointer;
  list-style: none;
}

.page-faq .faq-guide-name {
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--ink);
}

.page-faq .faq-guide-count {
  font-size: .8rem;
  color: var(--ink-mute);
}

.page-faq .faq-guide-summary::after {
  content: "";
  flex: none;
  margin-left: auto;
  width: 8px;
  height: 8px;
  border-right: 2px solid var(--sky);
  border-bottom: 2px solid var(--sky);
  transform: rotate(45deg);
  transition: transform 200ms var(--ease);
}

.page-faq .faq-guide-group[open] .faq-guide-summary::after {
  transform: rotate(-135deg);
}

.page-faq .faq-guide-body {
  padding: 0 1.1rem 1.05rem;
}

.page-faq .faq-guide-items {
  list-style: none;
  margin: 0;
  padding: 0;
  border-top: 1px solid var(--line);
}

.page-faq .faq-guide-items li {
  padding: .8rem 0;
  border-bottom: 1px dashed var(--line);
}

.page-faq .faq-guide-items li:last-child {
  border-bottom: 0;
}

.page-faq .faq-guide-q {
  margin: 0 0 .25rem;
  font-size: .95rem;
  font-weight: 600;
  color: var(--ink);
}

.page-faq .faq-guide-a {
  margin: 0;
  font-size: .88rem;
  line-height: 1.75;
  color: var(--ink-soft);
}

.page-faq .faq-guide-foot {
  margin: .9rem 0 0;
  font-size: .81rem;
  color: var(--ink-mute);
}

/* ---------- 上手清单 ---------- */
.page-faq .faq-checklist {
  padding: var(--faq-gap) 0;
  background: var(--cloud);
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.page-faq .faq-checklist-shell {
  display: grid;
  gap: 2rem;
}

.page-faq .faq-checklist-desc {
  margin: .7rem 0 1.35rem;
  max-width: 46ch;
  font-size: .95rem;
  line-height: 1.85;
  color: var(--ink-soft);
}

.page-faq .faq-checklist-list {
  list-style: none;
  margin: 0;
  padding: 0;
  border-top: 1px solid var(--line-strong);
}

.page-faq .faq-checklist-list li {
  display: flex;
  align-items: baseline;
  gap: .9rem;
  padding: .82rem 0;
  border-bottom: 1px solid var(--line);
  font-size: .94rem;
  line-height: 1.7;
  color: var(--ink);
}

.page-faq .faq-checklist-list .mono {
  flex: none;
  font-size: .78rem;
  color: var(--sun-ink);
}

/* ---------- 联系支持 ---------- */
.page-faq .faq-support {
  padding: var(--faq-gap) 0;
  background:
    radial-gradient(80% 130% at 100% 0%, rgba(255, 122, 26, .10), transparent 62%),
    var(--paper);
}

.page-faq .faq-support-shell {
  display: grid;
  gap: 1.75rem;
}

.page-faq .faq-support-desc {
  margin: .7rem 0 1.4rem;
  max-width: 52ch;
  font-size: .95rem;
  line-height: 1.85;
  color: var(--ink-soft);
}

.page-faq .faq-support-needs {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: .55rem;
}

.page-faq .faq-support-needs li {
  display: flex;
  align-items: flex-start;
  gap: .85rem;
  padding: .8rem .95rem;
  border: 1px solid var(--line);
  border-radius: var(--r);
  background: var(--cloud);
}

.page-faq .faq-support-needs .mono {
  flex: none;
  padding-top: .12rem;
  font-size: .78rem;
  color: var(--sky);
}

.page-faq .faq-support-needs strong {
  display: block;
  font-size: .93rem;
  font-weight: 700;
  color: var(--ink);
  line-height: 1.6;
}

.page-faq .faq-support-needs span {
  display: block;
  margin-top: .18rem;
  font-size: .85rem;
  line-height: 1.7;
  color: var(--ink-soft);
}

.page-faq .faq-support-card {
  display: grid;
  gap: .75rem;
  align-content: start;
  padding: 1.25rem 1.3rem 1.35rem;
  border: 1px solid var(--line);
  border-radius: var(--r);
  background: var(--cloud);
  box-shadow: var(--shadow);
}

.page-faq .faq-support-card-title {
  margin: 0;
  font-size: .78rem;
  letter-spacing: .16em;
  color: var(--ink-mute);
}

.page-faq .copy-row {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: .5rem;
}

.page-faq .copy-row-value {
  flex: 1 1 auto;
  min-width: 0;
  font-size: .86rem;
  word-break: break-all;
  color: var(--ink);
}

.page-faq .copy-status {
  font-size: .78rem;
  color: var(--lake);
}

.page-faq .faq-support-line {
  margin: 0;
  font-size: .92rem;
  color: var(--ink);
}

.page-faq .faq-support-note {
  margin: .1rem 0 .35rem;
  font-size: .82rem;
  line-height: 1.7;
  color: var(--ink-mute);
}

.page-faq .faq-support-card .btn {
  justify-self: start;
}

/* ---------- 响应式 ---------- */
@media (min-width: 760px) {
  .page-faq .faq-reason-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 1.15rem;
  }
}

@media (min-width: 880px) {
  .page-faq .faq-sec-head {
    grid-template-columns: 8rem minmax(0, 1fr);
    gap: 1.5rem;
    align-items: start;
  }

  .page-faq .faq-step-body {
    padding-left: 3.95rem;
  }
}

@media (min-width: 900px) {
  .page-faq .faq-hero-shell {
    grid-template-columns: minmax(0, 7fr) minmax(0, 4fr);
    gap: clamp(2rem, 5vw, 4.5rem);
    align-items: end;
  }

  .page-faq .faq-checklist-shell,
  .page-faq .faq-support-shell {
    grid-template-columns: minmax(0, 5fr) minmax(0, 7fr);
    gap: clamp(2rem, 5vw, 4rem);
    align-items: start;
  }

  .page-faq .faq-support-shell {
    grid-template-columns: minmax(0, 7fr) minmax(0, 4fr);
  }
}

@media (min-width: 960px) {
  .page-faq .faq-steps-shell {
    grid-template-columns: minmax(0, 4fr) minmax(0, 7fr);
    gap: clamp(2rem, 5vw, 4rem);
    align-items: start;
  }
}

@media (max-width: 480px) {
  .page-faq .faq-temp-summary {
    padding: .85rem .9rem;
  }

  .page-faq .faq-temp-body,
  .page-faq .faq-guide-body {
    padding-left: .9rem;
    padding-right: .9rem;
  }

  .page-faq .faq-support-card {
    padding: 1.1rem 1rem 1.2rem;
  }
}
<<<END>>>