.page-faq {
  --faq-gap: 24px;
  --faq-rule: 1px solid var(--rule);
}

.page-faq .crumbs {
  padding-block: 18px 4px;
}

/* ---------- 首屏拼贴 ---------- */
.page-faq .faq-hero {
  padding-block: 20px 56px;
  background:
    radial-gradient(120% 90% at 92% 0%, rgba(214, 232, 236, .75) 0%, rgba(214, 232, 236, 0) 58%),
    var(--paper);
  border-bottom: var(--faq-rule);
}

.page-faq .faq-hero-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 32px;
}

.page-faq .faq-eyebrow {
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: .04em;
  color: var(--ochre);
  margin: 0 0 14px;
}

.page-faq .faq-hero h1 {
  font-family: var(--font-display);
  font-weight: 900;
  letter-spacing: -.02em;
  font-size: clamp(30px, 6.2vw, 62px);
  line-height: 1.1;
  color: var(--ink);
  margin: 0 0 20px;
  max-width: 15em;
}

.page-faq .faq-lead {
  font-size: 16px;
  line-height: 1.9;
  color: var(--ink);
  max-width: 40em;
  margin: 0 0 26px;
}

.page-faq .faq-hero-tiles {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 10px;
  align-content: start;
}

.page-faq .faq-tile {
  padding: 18px 16px;
  border-radius: 4px;
  border: var(--faq-rule);
  background: #fff;
  box-shadow: var(--shadow-1);
}

.page-faq .faq-tile p {
  margin: 6px 0 0;
  font-size: 13px;
  line-height: 1.7;
  color: var(--note);
}

.page-faq .faq-tile-num {
  font-family: var(--font-mono);
  font-size: 34px;
  line-height: 1;
  font-weight: 500;
  color: var(--lake);
}

.page-faq .faq-tile--deep {
  grid-column: 1 / -1;
  background: var(--lake-deep);
  border-color: var(--lake-deep);
}

.page-faq .faq-tile--deep .faq-tile-num {
  color: #fff;
  font-size: 48px;
}

.page-faq .faq-tile--deep p {
  color: var(--lake-pale);
}

.page-faq .faq-tile--ochre {
  background: var(--ochre-pale);
  border-color: var(--ochre-pale);
}

.page-faq .faq-tile--ochre .faq-tile-num {
  color: var(--ochre);
}

.page-faq .faq-tile--ochre p {
  color: #6d3a18;
}

/* ---------- 主体骨架 ---------- */
.page-faq .faq-body {
  display: grid;
  grid-template-columns: 1fr;
  gap: 36px;
  padding-block: 40px 88px;
}

.page-faq .faq-axis-title {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .12em;
  color: var(--note);
  margin: 0 0 12px;
}

.page-faq .faq-axis .axis-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
}

.page-faq .faq-axis .axis-link {
  display: flex;
  align-items: baseline;
  gap: 10px;
  padding: 8px 12px;
  border: var(--faq-rule);
  border-radius: 4px;
  background: #fff;
  color: var(--ink);
  text-decoration: none;
  font-size: 14px;
  transition: border-color var(--dur) var(--ease), color var(--dur) var(--ease);
}

.page-faq .faq-axis .axis-num {
  font-family: var(--font-mono);
  font-size: 13px;
  color: var(--ochre);
  font-weight: 500;
}

.page-faq .faq-axis .axis-link:hover,
.page-faq .faq-axis .axis-link:focus-visible {
  border-color: var(--lake);
  color: var(--lake-deep);
}

.page-faq .faq-axis .axis-link[aria-current="true"] {
  background: var(--lake);
  border-color: var(--lake);
  color: #fff;
}

.page-faq .faq-axis .axis-link[aria-current="true"] .axis-num {
  color: var(--lake-pale);
}

.page-faq .faq-sec {
  scroll-margin-top: 88px;
  padding-bottom: 72px;
  border-bottom: var(--faq-rule);
  margin-bottom: 72px;
}

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

.page-faq .sec-head {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  column-gap: 14px;
  align-items: start;
  margin-bottom: 28px;
}

.page-faq .sec-num {
  font-family: var(--font-mono);
  font-size: 30px;
  line-height: 1.1;
  font-weight: 500;
  color: var(--ochre);
}

.page-faq .sec-title {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(21px, 3.4vw, 30px);
  line-height: 1.28;
  letter-spacing: -.01em;
  color: var(--ink);
  margin: 0;
}

.page-faq .sec-lead {
  grid-column: 2;
  font-size: 15px;
  line-height: 1.85;
  color: var(--note);
  margin: 10px 0 0;
  max-width: 42em;
}

/* ---------- 01 清单 ---------- */
.page-faq .faq-check-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 28px;
}

.page-faq .faq-check-top {
  display: flex;
  flex-direction: column;
  gap: 10px;
  margin-bottom: 14px;
}

.page-faq .faq-check-top-text {
  font-size: 13px;
  color: var(--note);
}

.page-faq .faq-progress {
  display: grid;
  grid-template-columns: repeat(7, 1fr);
  gap: 5px;
}

.page-faq .faq-progress-seg {
  height: 2px;
  background: var(--lake-pale);
  border-radius: 2px;
  transition: background var(--dur) var(--ease);
}

.page-faq .faq-check:has(#faq-chk-1:checked) .faq-progress-seg:nth-child(1),
.page-faq .faq-check:has(#faq-chk-2:checked) .faq-progress-seg:nth-child(2),
.page-faq .faq-check:has(#faq-chk-3:checked) .faq-progress-seg:nth-child(3),
.page-faq .faq-check:has(#faq-chk-4:checked) .faq-progress-seg:nth-child(4),
.page-faq .faq-check:has(#faq-chk-5:checked) .faq-progress-seg:nth-child(5),
.page-faq .faq-check:has(#faq-chk-6:checked) .faq-progress-seg:nth-child(6),
.page-faq .faq-check:has(#faq-chk-7:checked) .faq-progress-seg:nth-child(7) {
  background: var(--turq);
}

.page-faq .faq-check-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 8px;
}

.page-faq .faq-check-item {
  position: relative;
}

.page-faq .faq-check-input {
  position: absolute;
  inline-size: 1px;
  block-size: 1px;
  opacity: 0;
  pointer-events: none;
}

.page-faq .faq-check-item-label {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: 12px;
  align-items: start;
  padding: 14px 16px 14px 14px;
  border: var(--faq-rule);
  border-left: 3px solid var(--rule);
  border-radius: 4px;
  background: #fff;
  box-shadow: var(--shadow-1);
  cursor: pointer;
  transition: border-color var(--dur) var(--ease), background var(--dur) var(--ease);
}

.page-faq .faq-check-item-label:hover {
  border-left-color: var(--lake);
}

.page-faq .faq-check-input:focus-visible + .faq-check-item-label {
  outline: 2px solid var(--ochre);
  outline-offset: 2px;
}

.page-faq .faq-check-input:checked + .faq-check-item-label {
  border-left-color: var(--turq);
  background: #f3f9f7;
}

.page-faq .faq-check-num {
  font-family: var(--font-mono);
  font-size: 15px;
  font-weight: 500;
  color: var(--ochre);
  line-height: 1.7;
}

.page-faq .faq-check-input:checked + .faq-check-item-label .faq-check-num {
  color: var(--turq);
}

.page-faq .faq-check-text {
  font-size: 14.5px;
  line-height: 1.8;
  color: var(--ink);
}

.page-faq .faq-check-text strong {
  display: block;
  font-weight: 700;
  margin-bottom: 2px;
}

.page-faq .faq-check-input:checked + .faq-check-item-label .faq-check-text {
  color: var(--note);
  text-decoration: line-through;
  text-decoration-color: rgba(92, 116, 128, .5);
}

.page-faq .faq-check-done {
  display: none;
  margin: 18px 0 0;
  padding: 14px 16px;
  border-left: 3px solid var(--turq);
  background: #f3f9f7;
  font-size: 14px;
  line-height: 1.8;
  color: var(--ink);
}

.page-faq .faq-check:has(#faq-chk-1:checked):has(#faq-chk-2:checked):has(#faq-chk-3:checked):has(#faq-chk-4:checked):has(#faq-chk-5:checked):has(#faq-chk-6:checked):has(#faq-chk-7:checked) .faq-check-done {
  display: block;
}

.page-faq .faq-check-media,
.page-faq .faq-login-media {
  margin: 0;
}

.page-faq .faq-check-media img {
  display: block;
  width: 100%;
  height: auto;
  max-width: 340px;
  object-fit: cover;
  border: 1px solid var(--rule);
  border-radius: 4px;
}

.page-faq .media-caption {
  display: block;
  margin-top: 10px;
  font-size: 13px;
  line-height: 1.7;
  color: var(--note);
  max-width: 32em;
}

/* ---------- 02 序号定位 ---------- */
.page-faq .faq-locate {
  display: grid;
  grid-template-columns: 1fr;
  gap: 28px;
}

.page-faq .faq-locate-rules p {
  font-size: 15px;
  line-height: 1.88;
  color: var(--ink);
  margin: 0 0 12px;
  padding-left: 14px;
  border-left: 1px solid var(--rule);
}

.page-faq .faq-locate-rules strong {
  color: var(--lake-deep);
}

.page-faq .faq-path {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 0;
  border: var(--faq-rule);
  border-radius: 4px;
  background: var(--paper-2);
  overflow: hidden;
}

.page-faq .faq-path-step {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: 14px;
  align-items: center;
  padding: 14px 16px;
  border-bottom: 1px dashed var(--rule);
}

.page-faq .faq-path-step:last-child {
  border-bottom: 0;
}

.page-faq .faq-path-num {
  font-family: var(--font-mono);
  font-size: 15px;
  font-weight: 500;
  color: #fff;
  background: var(--lake);
  border-radius: 3px;
  padding: 3px 8px;
  min-width: 54px;
  text-align: center;
}

.page-faq .faq-path-step:last-child .faq-path-num {
  background: var(--ochre);
}

.page-faq .faq-path-text {
  font-size: 14.5px;
  line-height: 1.75;
  color: var(--ink);
}

.page-faq .note {
  margin: 22px 0 0;
  padding-left: 16px;
  position: relative;
}

.page-faq .note::before {
  content: "";
  position: absolute;
  left: 0;
  top: 9px;
  width: 10px;
  height: 1px;
  background: var(--ochre);
  transform: rotate(-28deg);
  transform-origin: left center;
}

.page-faq .note-text {
  font-size: 13px;
  line-height: 1.75;
  color: var(--note);
}

/* ---------- 03 五步 ---------- */
.page-faq .faq-login-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 28px;
}

.page-faq .faq-steps {
  display: grid;
  gap: 10px;
}

.page-faq .step {
  border: var(--faq-rule);
  border-radius: 4px;
  background: #fff;
  box-shadow: var(--shadow-1);
  transition: box-shadow var(--dur) var(--ease);
}

.page-faq .step[open] {
  box-shadow: inset 3px 0 0 var(--ochre), var(--shadow-1);
}

.page-faq .step summary {
  display: flex;
  align-items: baseline;
  gap: 14px;
  padding: 15px 18px;
  cursor: pointer;
  list-style: none;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 16px;
  color: var(--ink);
}

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

.page-faq .step summary::after {
  content: "+";
  margin-left: auto;
  font-family: var(--font-mono);
  font-weight: 400;
  color: var(--lake);
}

.page-faq .step[open] summary::after {
  content: "−";
  color: var(--ochre);
}

.page-faq .step-num {
  font-family: var(--font-mono);
  font-size: 18px;
  font-weight: 500;
  color: var(--lake);
  line-height: 1;
}

.page-faq .step-body {
  padding: 0 18px 18px 18px;
  border-top: 1px dashed var(--rule);
  margin-top: 2px;
}

.page-faq .step-body p {
  font-size: 14.5px;
  line-height: 1.85;
  color: var(--ink);
  margin: 12px 0 0;
}

.page-faq .faq-signal {
  display: block;
  position: relative;
  padding-left: 20px;
  font-size: 13.5px !important;
  color: var(--note) !important;
}

.page-faq .faq-signal::before {
  content: "";
  position: absolute;
  left: 0;
  top: .62em;
  width: 7px;
  height: 7px;
  border-radius: 50%;
}

.page-faq .faq-signal--ok::before {
  background: var(--turq);
}

.page-faq .faq-signal--stop::before {
  background: var(--flame);
}

.page-faq .faq-login-media img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
  border: 1px solid var(--rule);
  border-radius: 4px;
}

/* ---------- 04 问答 ---------- */
.page-faq .tab-list {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  border-bottom: var(--faq-rule);
  margin-bottom: 22px;
}

.page-faq .tab {
  appearance: none;
  font-family: var(--font-body);
  font-size: 14.5px;
  font-weight: 600;
  padding: 10px 16px;
  border: 1px solid transparent;
  border-bottom: 0;
  border-radius: 4px 4px 0 0;
  background: transparent;
  color: var(--note);
  cursor: pointer;
  margin-bottom: -1px;
  transition: color var(--dur) var(--ease), background var(--dur) var(--ease);
}

.page-faq .tab:hover {
  color: var(--lake-deep);
}

.page-faq .tab[aria-selected="true"] {
  color: var(--lake-deep);
  background: #fff;
  border-color: var(--rule);
  border-bottom: 1px solid #fff;
}

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

.page-faq .tab-panel {
  animation: faq-fade var(--dur) var(--ease);
}

.page-faq .tab-panel:focus-visible {
  outline: 2px solid var(--ochre);
  outline-offset: 4px;
}

@keyframes faq-fade {
  from { opacity: 0; transform: translateY(8px); }
  to { opacity: 1; transform: translateY(0); }
}

.page-faq .faq-q {
  border-bottom: 1px solid var(--rule);
}

.page-faq .faq-q summary {
  display: flex;
  align-items: baseline;
  gap: 10px;
  padding: 15px 0 15px 0;
  cursor: pointer;
  list-style: none;
  font-size: 15.5px;
  font-weight: 600;
  color: var(--ink);
  transition: color var(--dur) var(--ease), padding-left var(--dur) var(--ease);
}

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

.page-faq .faq-q summary::before {
  content: "";
  width: 2px;
  height: 15px;
  background: var(--rule);
  flex: none;
  transform: translateY(2px);
  transition: background var(--dur) var(--ease), height var(--dur) var(--ease);
}

.page-faq .faq-q[open] summary::before {
  background: var(--ochre);
  height: 19px;
}

.page-faq .faq-q summary:hover {
  color: var(--lake-deep);
}

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

.page-faq .faq-q-body {
  padding: 0 0 16px 12px;
}

.page-faq .faq-q-body p {
  font-size: 14.5px;
  line-height: 1.9;
  color: var(--note);
  margin: 0;
  max-width: 46em;
}

.page-faq .faq-more {
  font-size: 13px;
  line-height: 1.8;
  color: var(--note);
  margin: 18px 0 0;
  padding-top: 14px;
  border-top: 1px dashed var(--rule);
}

/* ---------- 05 联系 ---------- */
.page-faq .faq-contact-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 16px;
}

.page-faq .faq-contact-card {
  border: var(--faq-rule);
  border-radius: 4px;
  background: #fff;
  box-shadow: var(--shadow-1);
  overflow: hidden;
}

.page-faq .faq-contact-card .card-head {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 15px;
  padding: 14px 18px;
  border-bottom: var(--faq-rule);
  color: var(--lake-deep);
  background: var(--lake-pale);
}

.page-faq .card--ochre .card-head {
  background: var(--ochre-pale);
  color: #6d3a18;
}

.page-faq .faq-contact-card .card-body {
  padding: 16px 18px 18px;
}

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

.page-faq .faq-contact-list li {
  font-size: 14px;
  line-height: 1.8;
  color: var(--note);
  padding-left: 14px;
  border-left: 1px solid var(--rule);
}

.page-faq .faq-contact-k {
  display: block;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .06em;
  color: var(--ochre);
  margin-bottom: 2px;
}

.page-faq .faq-contact-line {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 10px;
  margin: 0 0 10px;
  font-size: 14.5px;
  line-height: 1.7;
  color: var(--ink);
}

.page-faq .faq-contact-line span {
  font-size: 12px;
  letter-spacing: .06em;
  color: var(--note);
  min-width: 64px;
}

.page-faq .faq-contact-line a,
.page-faq .faq-contact-line strong {
  font-weight: 700;
  color: var(--lake-deep);
  text-decoration: none;
  border-bottom: 1px solid var(--lake-pale);
  word-break: break-all;
}

.page-faq .faq-contact-line a:hover {
  border-bottom-color: var(--lake);
}

.page-faq .faq-contact-note {
  font-size: 13px;
  line-height: 1.8;
  color: var(--note);
  margin: 12px 0 0;
  padding-top: 12px;
  border-top: 1px dashed var(--rule);
}

.page-faq .faq-contact-note:first-of-type {
  border-top: 0;
  padding-top: 0;
}

/* ---------- 响应式 ---------- */
@media (min-width: 640px) {
  .page-faq .faq-hero-tiles {
    grid-template-columns: 1fr 1fr;
  }

  .page-faq .faq-path-step {
    padding: 16px 20px;
  }
}

@media (min-width: 900px) {
  .page-faq .faq-hero {
    padding-block: 28px 72px;
  }

  .page-faq .faq-hero-grid {
    grid-template-columns: minmax(0, 1.45fr) minmax(0, .85fr);
    gap: 48px;
    align-items: start;
  }

  .page-faq .faq-hero-tiles {
    padding-top: 12px;
  }

  .page-faq .faq-body {
    grid-template-columns: 208px minmax(0, 1fr);
    gap: 56px;
    padding-block: 56px 112px;
  }

  .page-faq .faq-axis {
    position: sticky;
    top: 92px;
    align-self: start;
  }

  .page-faq .faq-axis .axis-list {
    display: grid;
    gap: 4px;
  }

  .page-faq .faq-axis .axis-link {
    border-color: transparent;
    background: transparent;
    border-radius: 0;
    border-left: 1px solid var(--rule);
    padding: 9px 10px 9px 14px;
  }

  .page-faq .faq-axis .axis-link[aria-current="true"] {
    background: transparent;
    border-color: var(--rule);
    border-left: 2px solid var(--lake);
    color: var(--lake-deep);
  }

  .page-faq .faq-axis .axis-link[aria-current="true"] .axis-num {
    color: var(--ochre);
  }

  .page-faq .faq-check-grid {
    grid-template-columns: minmax(0, 1fr) 300px;
    gap: 44px;
    align-items: start;
  }

  .page-faq .faq-check-media img {
    max-width: none;
  }

  .page-faq .faq-locate {
    grid-template-columns: minmax(0, 1fr) minmax(0, .92fr);
    gap: 44px;
    align-items: start;
  }

  .page-faq .faq-login-grid {
    grid-template-columns: minmax(0, 1fr) minmax(0, .8fr);
    gap: 40px;
    align-items: start;
  }

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

  .page-faq .faq-sec {
    padding-bottom: 88px;
    margin-bottom: 88px;
  }
}

@media (min-width: 1200px) {
  .page-faq .faq-hero h1 {
    max-width: 13em;
  }

  .page-faq .faq-body {
    grid-template-columns: 232px minmax(0, 1fr);
    gap: 72px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-faq .tab-panel {
    animation: none;
  }

  .page-faq .faq-q summary,
  .page-faq .faq-progress-seg,
  .page-faq .step,
  .page-faq .faq-check-item-label {
    transition: none;
  }
}