.page-faq {
  --pf-line-soft: rgba(58, 74, 66, .6);
  --pf-flame-ghost: rgba(255, 75, 31, .42);
  --pf-blue-ghost: rgba(47, 168, 255, .32);
  position: relative;
  background: var(--ink);
  color: var(--text);
  padding-bottom: 56px;
}

.page-faq .pf-shell {
  width: 100%;
  max-width: 1280px;
  margin-inline: auto;
  padding-inline: 20px;
}

.page-faq .pf-crumbbar {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  padding-block: 22px 6px;
  font-size: 13px;
}

.page-faq .pf-crumb-now {
  color: var(--text);
  font-weight: 600;
}

/* ---------- 首屏 ---------- */
.page-faq .pf-hero {
  display: grid;
  gap: 28px;
  padding-block: 18px 44px;
  border-bottom: 1px solid var(--line);
}

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

.page-faq .pf-title {
  margin: 14px 0 18px;
  font-family: var(--font-head);
  font-weight: 900;
  font-size: clamp(30px, 8.4vw, 56px);
  line-height: 1.06;
  letter-spacing: -0.02em;
  color: var(--text);
}

.page-faq .pf-lede {
  max-width: 62ch;
  font-size: 16px;
  line-height: 1.8;
  color: var(--muted);
}

.page-faq .pf-hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 26px;
}

.page-faq .pf-hero-side {
  position: relative;
  min-width: 0;
  padding: 22px 20px 20px;
  border: 1px solid var(--line);
  background: var(--panel);
  box-shadow: var(--shadow);
}

.page-faq .pf-hero-side::before {
  content: "";
  position: absolute;
  inset: 0 0 auto 0;
  height: 2px;
  background: linear-gradient(90deg, var(--flame), var(--flame-2) 46%, transparent);
}

.page-faq .pf-side-eyebrow {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--blue-soft);
}

.page-faq .pf-prep {
  display: grid;
  gap: 13px;
  margin: 16px 0 0;
  padding: 0;
  list-style: none;
}

.page-faq .pf-prep li {
  display: grid;
  grid-template-columns: 26px minmax(0, 1fr);
  gap: 10px;
  font-size: 14px;
  line-height: 1.65;
  color: var(--text);
}

.page-faq .pf-prep-no {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--line);
  padding-top: 2px;
}

.page-faq .pf-side-note {
  margin: 16px 0 0;
  padding-top: 14px;
  border-top: 1px solid var(--pf-line-soft);
  font-size: 13px;
  line-height: 1.7;
  color: var(--muted);
}

/* ---------- 总览 ---------- */
.page-faq .pf-overview {
  padding-block: 44px 40px;
  scroll-margin-top: calc(var(--status-h) + 20px);
}

.page-faq .pf-overview-head {
  display: grid;
  gap: 12px;
  max-width: 66ch;
  margin-bottom: 24px;
}

.page-faq .pf-overview-title,
.page-faq .pf-flow-title,
.page-faq .pf-faq-title,
.page-faq .pf-help-title {
  margin: 0;
  font-family: var(--font-head);
  font-weight: 800;
  font-size: clamp(23px, 5.4vw, 32px);
  line-height: 1.2;
  letter-spacing: -0.015em;
  color: var(--text);
}

.page-faq .pf-overview-lede,
.page-faq .pf-flow-lede,
.page-faq .pf-faq-lede {
  margin: 0;
  font-size: 15px;
  line-height: 1.8;
  color: var(--muted);
}

.page-faq .pf-figure {
  margin: 0;
  border: 1px solid var(--line);
  background: var(--panel);
  overflow: hidden;
}

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

.page-faq .pf-figure .media-caption {
  display: block;
  padding: 12px 16px;
  border-top: 1px solid var(--line);
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.02em;
  color: var(--muted);
  background: var(--panel);
}

.page-faq .pf-timing {
  display: grid;
  gap: 0;
  margin: 26px 0 0;
  padding: 0;
  list-style: none;
  border-top: 1px solid var(--line);
}

.page-faq .pf-timing li {
  display: grid;
  grid-template-columns: 34px minmax(0, 1fr) auto;
  gap: 12px;
  align-items: baseline;
  padding: 14px 0;
  border-bottom: 1px solid var(--pf-line-soft);
}

.page-faq .pf-timing-no {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--flame);
}

.page-faq .pf-timing-name {
  font-size: 15px;
  font-weight: 600;
  color: var(--text);
}

.page-faq .pf-timing-cost {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.04em;
  color: var(--blue-soft);
  white-space: nowrap;
}

/* ---------- 三步流程 ---------- */
.page-faq .pf-flow {
  position: relative;
  padding-block: 12px 44px;
  scroll-margin-top: calc(var(--status-h) + 20px);
}

.page-faq .pf-flow-head {
  display: grid;
  gap: 10px;
  max-width: 64ch;
  margin-bottom: 26px;
}

.page-faq .pf-check {
  position: absolute;
  top: 0;
  left: 0;
  width: 1px;
  height: 1px;
  margin: 0;
  padding: 0;
  opacity: 0;
  pointer-events: none;
}

.page-faq .pf-flow-grid {
  display: grid;
  gap: 34px;
}

.page-faq .pf-step {
  position: relative;
  min-width: 0;
  padding: 24px 20px 22px;
  border: 1px solid var(--line);
  background: var(--panel);
  box-shadow: var(--shadow);
  transition: border-color .18s var(--ease), transform .18s var(--ease), background .18s var(--ease);
}

.page-faq .pf-step:hover {
  border-color: var(--flame-2);
  transform: translateY(-2px);
}

.page-faq .pf-step + .pf-step::before {
  content: "";
  position: absolute;
  left: 34px;
  top: -34px;
  width: 1px;
  height: 32px;
  background: linear-gradient(180deg, transparent, var(--line));
  transform: rotate(13deg);
  transform-origin: bottom center;
}

.page-faq .pf-step-mark {
  position: absolute;
  top: 16px;
  right: 14px;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 4px;
  cursor: pointer;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.04em;
  color: var(--muted);
  transition: color .18s var(--ease);
}

.page-faq .pf-step-mark:hover {
  color: var(--text);
}

.page-faq .pf-step-box {
  position: relative;
  display: block;
  flex: none;
  width: 16px;
  height: 16px;
  border: 1px solid var(--line);
  background: transparent;
  transition: background .18s var(--ease), border-color .18s var(--ease);
}

.page-faq .pf-step-box::after {
  content: "";
  position: absolute;
  left: 3px;
  top: 3px;
  width: 8px;
  height: 4px;
  border-left: 2px solid var(--ink);
  border-bottom: 2px solid var(--ink);
  transform: rotate(-45deg);
  opacity: 0;
  transition: opacity .16s var(--ease);
}

.page-faq .pf-step-kicker {
  margin: 0 0 10px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.2em;
  color: var(--flame);
}

.page-faq .pf-step-title {
  margin: 0 0 14px;
  padding-right: 92px;
  font-family: var(--font-head);
  font-weight: 800;
  font-size: clamp(21px, 4.8vw, 27px);
  line-height: 1.22;
  letter-spacing: -0.015em;
  color: var(--text);
}

.page-faq .pf-step-body {
  margin: 0;
  font-size: 15px;
  line-height: 1.8;
  color: var(--text);
}

.page-faq .pf-points {
  display: grid;
  gap: 12px;
  margin: 16px 0 0;
  padding: 0;
  list-style: none;
}

.page-faq .pf-points li {
  position: relative;
  padding-left: 18px;
  font-size: 14.5px;
  line-height: 1.8;
  color: var(--muted);
}

.page-faq .pf-points li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 11px;
  width: 6px;
  height: 6px;
  background: var(--blue);
}

.page-faq .pf-step--3 .pf-points li::before {
  background: var(--flame);
}

.page-faq .pf-step-figure {
  margin: 18px 0 0;
  border: 1px solid var(--line);
  background: var(--raise);
  overflow: hidden;
}

.page-faq .pf-step-figure .media-caption {
  display: block;
  padding: 10px 14px;
  border-top: 1px solid var(--line);
  font-size: 12px;
  line-height: 1.6;
  color: var(--muted);
}

.page-faq .pf-step-note {
  margin: 16px 0 0;
  padding-top: 14px;
  border-top: 1px dashed var(--pf-line-soft);
  font-size: 13px;
  line-height: 1.75;
  color: var(--muted);
}

/* 完成状态 */
.page-faq #pf-s1:checked ~ .pf-flow-grid .pf-step--1,
.page-faq #pf-s2:checked ~ .pf-flow-grid .pf-step--2,
.page-faq #pf-s3:checked ~ .pf-flow-grid .pf-step--3 {
  border-color: var(--pf-flame-ghost);
}

.page-faq #pf-s1:checked ~ .pf-flow-grid .pf-step--1 .pf-step-box,
.page-faq #pf-s2:checked ~ .pf-flow-grid .pf-step--2 .pf-step-box,
.page-faq #pf-s3:checked ~ .pf-flow-grid .pf-step--3 .pf-step-box {
  background: var(--flame);
  border-color: var(--flame);
}

.page-faq #pf-s1:checked ~ .pf-flow-grid .pf-step--1 .pf-step-box::after,
.page-faq #pf-s2:checked ~ .pf-flow-grid .pf-step--2 .pf-step-box::after,
.page-faq #pf-s3:checked ~ .pf-flow-grid .pf-step--3 .pf-step-box::after {
  opacity: 1;
}

.page-faq #pf-s1:checked ~ .pf-flow-grid .pf-step--1 .pf-step-marktext,
.page-faq #pf-s2:checked ~ .pf-flow-grid .pf-step--2 .pf-step-marktext,
.page-faq #pf-s3:checked ~ .pf-flow-grid .pf-step--3 .pf-step-marktext {
  color: var(--flame-2);
}

/* 右侧进度 */
.page-faq .pf-rail {
  min-width: 0;
  padding: 18px 18px 16px;
  border: 1px solid var(--line);
  background: var(--panel);
  align-self: start;
}

.page-faq .pf-rail-eyebrow {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--muted);
}

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

.page-faq .pf-tick {
  display: grid;
  grid-template-columns: 24px minmax(0, 1fr);
  gap: 10px;
  align-items: center;
  padding: 11px 0;
  border-bottom: 1px solid var(--pf-line-soft);
  font-size: 13px;
  line-height: 1.5;
  color: var(--muted);
  transition: color .18s var(--ease);
}

.page-faq .pf-tick .mono {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--line);
  transition: color .18s var(--ease);
}

.page-faq #pf-s1:checked ~ .pf-flow-grid .pf-tick--1,
.page-faq #pf-s2:checked ~ .pf-flow-grid .pf-tick--2,
.page-faq #pf-s3:checked ~ .pf-flow-grid .pf-tick--3 {
  color: var(--text);
}

.page-faq #pf-s1:checked ~ .pf-flow-grid .pf-tick--1 .mono,
.page-faq #pf-s2:checked ~ .pf-flow-grid .pf-tick--2 .mono,
.page-faq #pf-s3:checked ~ .pf-flow-grid .pf-tick--3 .mono {
  color: var(--flame);
}

.page-faq .pf-rail-hint {
  margin: 14px 0 0;
  font-size: 12px;
  line-height: 1.7;
  color: var(--muted);
}

/* ---------- 失败原因切换 ---------- */
.page-faq .pf-switch {
  position: relative;
  margin-top: 20px;
  border: 1px solid var(--line);
  background: var(--ink);
}

.page-faq .pf-radio {
  position: absolute;
  top: 0;
  left: 0;
  width: 1px;
  height: 1px;
  opacity: 0;
  pointer-events: none;
}

.page-faq .pf-switch-tabs {
  display: flex;
  flex-wrap: wrap;
  border-bottom: 1px solid var(--line);
}

.page-faq .pf-switch-tab {
  flex: 1 1 auto;
  padding: 11px 10px;
  border-right: 1px solid var(--line);
  font-family: var(--font-mono);
  font-size: 12px;
  line-height: 1.4;
  letter-spacing: 0.02em;
  color: var(--muted);
  cursor: pointer;
  transition: color .18s var(--ease), background .18s var(--ease), box-shadow .18s var(--ease);
}

.page-faq .pf-switch-tab:last-child {
  border-right: 0;
}

.page-faq .pf-switch-tab:hover {
  color: var(--text);
  background: var(--raise);
}

.page-faq #pf-fail-1:checked ~ .pf-switch-tabs .pf-switch-tab:nth-child(1),
.page-faq #pf-fail-2:checked ~ .pf-switch-tabs .pf-switch-tab:nth-child(2),
.page-faq #pf-fail-3:checked ~ .pf-switch-tabs .pf-switch-tab:nth-child(3) {
  color: var(--text);
  background: var(--raise);
  box-shadow: inset 0 -2px 0 var(--flame);
}

.page-faq .pf-switch-panel {
  display: none;
  padding: 15px 14px;
}

.page-faq .pf-switch-panel p {
  margin: 0;
  font-size: 14px;
  line-height: 1.8;
  color: var(--muted);
}

.page-faq #pf-fail-1:checked ~ .pf-switch-panels .pf-switch-panel:nth-child(1),
.page-faq #pf-fail-2:checked ~ .pf-switch-panels .pf-switch-panel:nth-child(2),
.page-faq #pf-fail-3:checked ~ .pf-switch-panels .pf-switch-panel:nth-child(3) {
  display: block;
}

/* ---------- 常见提问 ---------- */
.page-faq .pf-faq {
  padding-block: 40px 36px;
  border-top: 1px solid var(--line);
}

.page-faq .pf-faq-head {
  display: grid;
  gap: 10px;
  max-width: 64ch;
  margin-bottom: 22px;
}

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

.page-faq .pf-faq-item {
  border-bottom: 1px solid var(--pf-line-soft);
}

.page-faq .pf-faq-q {
  position: relative;
  display: flex;
  align-items: flex-start;
  gap: 12px;
  padding: 16px 4px 16px 14px;
  list-style: none;
  cursor: pointer;
  font-size: 15px;
  font-weight: 600;
  line-height: 1.6;
  color: var(--text);
  transition: color .18s var(--ease), background .18s var(--ease);
}

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

.page-faq .pf-faq-q::before {
  content: "";
  position: absolute;
  left: 0;
  top: 18px;
  bottom: 18px;
  width: 2px;
  background: var(--pf-blue-ghost);
  transition: background .18s var(--ease);
}

.page-faq .pf-faq-q::after {
  content: "";
  flex: none;
  margin-left: auto;
  margin-top: 7px;
  width: 0;
  height: 0;
  border-left: 5px solid transparent;
  border-right: 5px solid transparent;
  border-top: 6px solid var(--muted);
  transition: transform .18s var(--ease), border-top-color .18s var(--ease);
}

.page-faq .pf-faq-q:hover {
  color: var(--flame-2);
  background: rgba(22, 36, 30, .55);
}

.page-faq .pf-faq-q:hover::before {
  background: var(--blue);
}

.page-faq .pf-faq-item[open] .pf-faq-q::before {
  background: var(--blue);
}

.page-faq .pf-faq-item[open] .pf-faq-q::after {
  transform: rotate(180deg);
  border-top-color: var(--flame);
}

.page-faq .pf-faq-a {
  margin: 0;
  padding: 0 8px 18px 14px;
  max-width: 74ch;
  font-size: 14px;
  line-height: 1.85;
  color: var(--muted);
}

/* ---------- 人工协助 ---------- */
.page-faq .pf-help {
  padding-block: 8px 24px;
}

.page-faq .pf-help-card {
  display: grid;
  gap: 22px;
  padding: 24px 20px;
  border: 1px solid var(--line);
  background: var(--blue-panel);
  box-shadow: var(--shadow);
}

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

.page-faq .pf-help-title {
  font-size: clamp(21px, 4.8vw, 28px);
}

.page-faq .pf-help-lede {
  margin: 14px 0 0;
  max-width: 60ch;
  font-size: 14.5px;
  line-height: 1.8;
  color: var(--text);
}

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

.page-faq .pf-copy {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  max-width: 100%;
}

.page-faq .pf-copy-mail {
  font-family: var(--font-mono);
  font-size: 12.5px;
  letter-spacing: 0.02em;
  overflow-wrap: anywhere;
}

.page-faq .pf-help-side {
  min-width: 0;
  padding-top: 18px;
  border-top: 1px solid rgba(127, 209, 255, .22);
}

.page-faq .pf-help-facts {
  display: grid;
  gap: 16px;
  margin: 0;
}

.page-faq .pf-help-facts dt {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--blue-soft);
}

.page-faq .pf-help-facts dd {
  margin: 5px 0 0;
  font-size: 14px;
  line-height: 1.7;
  color: var(--text);
  overflow-wrap: anywhere;
}

.page-faq .pf-inline-link {
  color: var(--blue-soft);
  text-decoration: none;
  border-bottom: 1px solid var(--pf-blue-ghost);
  transition: border-color .18s var(--ease), color .18s var(--ease);
}

.page-faq .pf-inline-link:hover {
  color: var(--text);
  border-bottom-color: var(--flame);
}

/* ---------- 响应式 ---------- */
@media (min-width: 640px) {
  .page-faq .pf-shell {
    padding-inline: 32px;
  }

  .page-faq .pf-step {
    padding: 26px 26px 24px;
  }

  .page-faq .pf-step-mark {
    top: 18px;
    right: 18px;
  }

  .page-faq .pf-help-card {
    padding: 30px 28px;
  }
}

@media (min-width: 900px) {
  .page-faq .pf-shell {
    padding-inline: 40px;
  }

  .page-faq .pf-hero {
    grid-template-columns: minmax(0, 1.55fr) minmax(0, 1fr);
    gap: 48px;
    align-items: start;
    padding-block: 26px 58px;
  }

  .page-faq .pf-overview {
    padding-block: 56px 48px;
  }

  .page-faq .pf-timing li {
    grid-template-columns: 44px minmax(0, 1fr) auto;
    padding: 16px 0;
  }

  .page-faq .pf-help-card {
    grid-template-columns: minmax(0, 1.35fr) minmax(0, 1fr);
    gap: 36px;
    align-items: start;
    padding: 34px 32px;
  }

  .page-faq .pf-help-side {
    padding-top: 0;
    padding-left: 28px;
    border-top: 0;
    border-left: 1px solid rgba(127, 209, 255, .22);
  }
}

@media (min-width: 1024px) {
  .page-faq .pf-flow {
    padding-block: 20px 56px;
  }

  .page-faq .pf-flow-grid {
    grid-template-columns: minmax(0, 1fr) 216px;
    column-gap: 36px;
    row-gap: 36px;
  }

  .page-faq .pf-step--1 {
    grid-column: 1;
    grid-row: 1;
  }

  .page-faq .pf-step--2 {
    grid-column: 1;
    grid-row: 2;
  }

  .page-faq .pf-step--3 {
    grid-column: 1;
    grid-row: 3;
  }

  .page-faq .pf-rail {
    grid-column: 2;
    grid-row: 1 / span 3;
    position: sticky;
    top: calc(var(--status-h) + 24px);
  }

  .page-faq .pf-step-title {
    padding-right: 120px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-faq .pf-step,
  .page-faq .pf-step-box,
  .page-faq .pf-step-box::after,
  .page-faq .pf-faq-q,
  .page-faq .pf-faq-q::after,
  .page-faq .pf-faq-q::before,
  .page-faq .pf-switch-tab,
  .page-faq .pf-tick,
  .page-faq .pf-tick .mono {
    transition: none;
  }

  .page-faq .pf-step:hover {
    transform: none;
  }
}
<<<PAGE_CSS_END>>>