.page-faq {
  padding-block: clamp(18px, 3vw, 34px) clamp(56px, 8vw, 96px);
  color: var(--ink);
  font-family: var(--font-body);
  overflow-x: clip;
}

.page-faq .crumbs {
  margin-bottom: clamp(18px, 3vw, 30px);
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--blue);
}

.page-faq .crumbs ol {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-faq .crumbs li + li::before {
  content: "/";
  margin-right: 8px;
  color: var(--blue-mist);
}

.page-faq .crumbs a {
  color: var(--blue);
  text-decoration: none;
  border-bottom: 1px solid transparent;
}

.page-faq .crumbs a:hover,
.page-faq .crumbs a:focus-visible {
  border-bottom-color: var(--red);
}

.page-faq .crumbs span[aria-current="page"] {
  color: var(--ink-deep);
}

/* ---------- 首屏 ---------- */
.page-faq .guide-head {
  display: grid;
  gap: 22px;
  padding-bottom: clamp(22px, 3vw, 34px);
  border-bottom: 1px solid var(--line);
}

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

.page-faq h1 {
  margin: 0;
  max-width: 15em;
  font-family: var(--font-head);
  font-weight: 800;
  font-size: clamp(1.85rem, 5.6vw, 3.5rem);
  line-height: 1.08;
  letter-spacing: -0.03em;
  color: var(--ink-deep);
}

.page-faq h2 {
  margin: 0 0 12px;
  font-family: var(--font-head);
  font-weight: 800;
  font-size: clamp(1.35rem, 3.2vw, 2.05rem);
  line-height: 1.2;
  letter-spacing: -0.02em;
  color: var(--ink-deep);
}

.page-faq h3 {
  margin: 0 0 8px;
  font-family: var(--font-head);
  font-weight: 800;
  font-size: clamp(1rem, 2vw, 1.15rem);
  line-height: 1.35;
  letter-spacing: -0.01em;
  color: var(--ink-deep);
}

.page-faq p {
  margin: 0;
  line-height: 1.75;
}

.page-faq .lede {
  max-width: 54ch;
  margin-top: 16px;
  font-size: clamp(0.95rem, 1.6vw, 1.05rem);
  color: var(--blue);
}

.page-faq .head-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 20px 0 0;
  padding: 0;
  list-style: none;
}

.page-faq .meta-pill {
  padding: 6px 10px;
  border: 1px solid var(--line);
  background: var(--paper-white);
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--ink-deep);
}

.page-faq .head-badge {
  display: flex;
  align-items: baseline;
  gap: 12px;
  padding-left: 14px;
  border-left: 2px solid var(--red);
}

.page-faq .num-big {
  font-family: var(--font-num);
  font-size: clamp(2.6rem, 9vw, 4.2rem);
  line-height: 0.9;
  font-variant-numeric: tabular-nums;
  color: var(--blue);
}

.page-faq .head-badge-cap {
  max-width: 8em;
  font-size: 12px;
  line-height: 1.5;
  letter-spacing: 0.06em;
  color: var(--blue-mid);
}

/* ---------- 区块节奏 ---------- */
.page-faq .block {
  margin-top: clamp(40px, 6vw, 76px);
}

.page-faq .sec-head {
  margin-bottom: clamp(20px, 3vw, 30px);
}

.page-faq .sec-lede {
  max-width: 58ch;
  color: var(--ink);
  opacity: 0.86;
}

/* ---------- 三步路径 ---------- */
.page-faq .step-track {
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-faq .step {
  position: relative;
  padding: 18px 0 20px 58px;
  border-top: 1px solid var(--line);
}

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

.page-faq .step::before {
  content: "";
  position: absolute;
  left: 19px;
  top: 0;
  bottom: 0;
  width: 1px;
  background: var(--blue-mist);
}

.page-faq .step-num {
  position: absolute;
  left: 0;
  top: 16px;
  width: 39px;
  height: 39px;
  display: grid;
  place-items: center;
  border: 1px solid var(--blue-mist);
  background: var(--paper-white);
  font-family: var(--font-num);
  font-size: 16px;
  font-variant-numeric: tabular-nums;
  color: var(--blue);
}

.page-faq .step p {
  max-width: 62ch;
  color: var(--ink);
  opacity: 0.9;
}

.page-faq .step-figure {
  margin: clamp(18px, 3vw, 26px) 0 0;
}

.page-faq .media {
  border: 1px solid var(--line);
  background: var(--blue-wash);
  overflow: hidden;
}

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

.page-faq .media-cap {
  margin-top: 10px;
  font-size: 12.5px;
  letter-spacing: 0.02em;
  color: var(--blue-mid);
}

/* ---------- 分类标签 ---------- */
.page-faq .tag-layout {
  display: grid;
  gap: 20px;
}

.page-faq .tag-cloud {
  display: flex;
  flex-wrap: wrap;
  align-content: flex-start;
  gap: 8px;
  padding: clamp(16px, 3vw, 26px);
  border: 1px solid var(--line);
  background: var(--paper-warm);
}

.page-faq .chip {
  padding: 6px 11px;
  border: 1px solid var(--blue);
  background: var(--paper-white);
  font-size: 13px;
  line-height: 1.5;
  letter-spacing: 0.02em;
  color: var(--ink-deep);
}

.page-faq .chip--mid {
  border-color: var(--blue-mid);
  background: var(--blue-wash);
  color: var(--blue);
}

.page-faq .chip--soft {
  border-color: transparent;
  background: var(--paper-white);
  color: var(--blue-mist);
}

.page-faq .tag-figure {
  margin: 0;
}

.page-faq .use-pair {
  display: grid;
  gap: 16px;
  margin-top: clamp(20px, 3vw, 28px);
}

.page-faq .use-card {
  padding: 16px 18px;
  border-left: 3px solid var(--blue);
  background: var(--paper-white);
}

.page-faq .use-card:last-child {
  border-left-color: var(--green);
}

.page-faq .use-card p {
  color: var(--ink);
  opacity: 0.88;
}

/* ---------- 问答折叠 ---------- */
.page-faq .qa-list {
  border-top: 1px solid var(--line);
}

.page-faq .qa {
  border-bottom: 1px solid var(--line);
  background: transparent;
}

.page-faq .qa summary {
  display: grid;
  grid-template-columns: auto 1fr auto;
  gap: 12px;
  align-items: start;
  padding: 16px 0;
  cursor: pointer;
  list-style: none;
  font-family: var(--font-head);
  font-weight: 800;
  font-size: clamp(0.95rem, 1.8vw, 1.05rem);
  line-height: 1.45;
  color: var(--ink-deep);
}

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

.page-faq .qa summary:hover .q-text {
  color: var(--blue);
}

.page-faq .qa summary:focus-visible {
  outline: 2px solid var(--blue);
  outline-offset: 2px;
}

.page-faq .q-num {
  font-family: var(--font-num);
  font-weight: 400;
  font-size: 13px;
  letter-spacing: 0.04em;
  font-variant-numeric: tabular-nums;
  color: var(--blue-mid);
  padding-top: 4px;
}

.page-faq .q-mark {
  position: relative;
  width: 16px;
  height: 16px;
  margin-top: 3px;
  border: 1px solid var(--blue-mist);
}

.page-faq .q-mark::before,
.page-faq .q-mark::after {
  content: "";
  position: absolute;
  background: var(--blue);
}

.page-faq .q-mark::before {
  left: 3px;
  right: 3px;
  top: 7px;
  height: 1px;
}

.page-faq .q-mark::after {
  top: 3px;
  bottom: 3px;
  left: 7px;
  width: 1px;
  transition: opacity 0.12s linear;
}

.page-faq .qa[open] .q-mark {
  border-color: var(--red);
}

.page-faq .qa[open] .q-mark::before {
  background: var(--red);
}

.page-faq .qa[open] .q-mark::after {
  opacity: 0;
}

.page-faq .qa-body {
  padding: 0 0 18px 34px;
  max-width: 66ch;
}

.page-faq .qa-body p + p {
  margin-top: 8px;
}

.page-faq .qa-body p:last-child {
  color: var(--ink);
  opacity: 0.86;
}

.page-faq .act {
  padding-left: 12px;
  border-left: 2px solid var(--green);
  font-weight: 500;
  color: var(--ink-deep);
}

.page-faq .act a {
  color: var(--blue);
  text-decoration: underline;
  text-decoration-color: var(--blue-mist);
  text-underline-offset: 3px;
}

.page-faq .act a:hover,
.page-faq .act a:focus-visible {
  text-decoration-color: var(--red);
}

/* ---------- 联系兜底 ---------- */
.page-faq .help-card {
  display: grid;
  gap: 24px;
  padding: clamp(20px, 4vw, 38px);
  border: 1px solid var(--line);
  background: var(--paper-warm);
}

.page-faq .help-lede {
  max-width: 56ch;
  color: var(--ink);
  opacity: 0.88;
}

.page-faq .help-contacts {
  display: grid;
  gap: 10px;
  margin: 20px 0 0;
  padding: 18px 0 0;
  border-top: 1px solid var(--line);
  list-style: none;
}

.page-faq .help-contacts li {
  display: grid;
  gap: 2px;
}

.page-faq .help-contacts .k {
  font-size: 11.5px;
  letter-spacing: 0.1em;
  color: var(--blue-mid);
}

.page-faq .help-contacts .v {
  font-size: 14.5px;
  line-height: 1.6;
  color: var(--ink-deep);
  word-break: break-word;
}

.page-faq .help-side {
  display: grid;
  gap: 16px;
  align-content: start;
  padding-top: 20px;
  border-top: 1px solid var(--line);
}

.page-faq .help-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.page-faq .help-actions .btn {
  text-decoration: none;
}

/* ---------- 中等屏幕 ---------- */
@media (min-width: 760px) {
  .page-faq .guide-head {
    grid-template-columns: minmax(0, 1fr) 190px;
    align-items: end;
  }

  .page-faq .head-badge {
    flex-direction: column;
    align-items: flex-start;
    gap: 8px;
    padding-left: 18px;
  }

  .page-faq .head-badge-cap {
    max-width: none;
  }

  .page-faq .step {
    padding: 22px 0 24px 76px;
  }

  .page-faq .step::before {
    left: 25px;
  }

  .page-faq .step-num {
    top: 20px;
    width: 51px;
    height: 51px;
    font-size: 20px;
  }

  .page-faq .tag-layout {
    grid-template-columns: minmax(0, 1.15fr) minmax(0, 0.85fr);
    align-items: stretch;
  }

  .page-faq .use-pair {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 20px;
  }

  .page-faq .qa summary {
    padding: 20px 0;
    gap: 18px;
  }

  .page-faq .qa-body {
    padding: 0 40px 22px 40px;
  }

  .page-faq .help-card {
    grid-template-columns: minmax(0, 1.3fr) minmax(0, 0.7fr);
    gap: 32px;
    align-items: start;
  }

  .page-faq .help-side {
    padding-top: 0;
    padding-left: 28px;
    border-top: 0;
    border-left: 1px solid var(--line);
  }

  .page-faq .help-contacts {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 14px 24px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-faq .q-mark::after {
    transition: none;
  }
}
<<<END>>>