.page-faq {
  background: var(--bg-0);
  color: var(--ink);
  padding-bottom: 72px;
}

.page-faq ::selection {
  background: var(--cyan-a16);
}

/* ---------- 面包屑 ---------- */
.page-faq .faq-crumbs {
  padding-top: calc(var(--offset-top) + 14px);
  padding-bottom: 4px;
  font-size: 13px;
  color: var(--ink-dim);
}
.page-faq .faq-crumbs a {
  color: var(--ink-dim);
  text-decoration: none;
}
.page-faq .faq-crumbs a:hover {
  color: var(--cyan);
}

/* ---------- 首屏 ---------- */
.page-faq .faq-hero {
  position: relative;
  margin-top: 10px;
  padding-bottom: 44px;
  background:
    radial-gradient(880px 460px at 88% -12%, var(--cyan-a08), transparent 68%),
    radial-gradient(680px 400px at 4% 116%, var(--purple-a14), transparent 70%);
  border-bottom: 1px solid var(--line);
}

.page-faq .faq-hero__grid {
  display: grid;
  gap: 30px;
  padding-top: 20px;
}

.page-faq .faq-hero h1 {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(29px, 6.6vw, 54px);
  line-height: 1.12;
  letter-spacing: -.012em;
  margin: 14px 0 18px;
  color: var(--ink);
}

.page-faq .faq-hero .lede {
  max-width: 40em;
  font-size: 15.5px;
  line-height: 1.85;
}

.page-faq .faq-hero__actions {
  margin-top: 24px;
  gap: 12px;
}

/* 状态面板 */
.page-faq .faq-status {
  border: 1px solid var(--line);
  border-radius: var(--r-lg);
  background: linear-gradient(158deg, var(--bg-1) 0%, var(--bg-2) 100%);
  padding: 18px 18px 16px;
  box-shadow: inset 0 1px 0 rgba(233, 241, 255, .05);
}

.page-faq .faq-status__head {
  display: flex;
  align-items: center;
  gap: 9px;
  padding-bottom: 13px;
  border-bottom: 1px dashed var(--line-soft);
}

.page-faq .faq-status__head-text {
  font-size: 11.5px;
  letter-spacing: .18em;
  color: var(--cyan);
}

.page-faq .faq-status__list {
  list-style: none;
  margin: 0;
  padding: 0;
}

.page-faq .faq-status__list li {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 14px;
  padding: 11px 0;
  border-bottom: 1px solid var(--line-soft);
}

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

.page-faq .faq-status__k {
  font-size: 13px;
  color: var(--ink-dim);
}

.page-faq .faq-status__v {
  font-size: 15px;
  color: var(--ink);
  white-space: nowrap;
}

.page-faq .faq-status__foot {
  margin: 12px 0 0;
  font-size: 12.5px;
  line-height: 1.75;
  color: var(--ink-dim);
  border-left: 2px solid var(--cyan-a16);
  padding-left: 11px;
}

/* ---------- 三步自查 ---------- */
.page-faq .faq-checklist {
  padding-top: 44px;
}

.page-faq .stepbar {
  list-style: none;
  margin: 24px 0 0;
  padding: 0;
  display: grid;
  gap: 14px;
  counter-reset: none;
}

.page-faq .stepbar__item {
  position: relative;
  border: 1px solid var(--line);
  border-radius: var(--r-md);
  background: var(--bg-1);
  padding: 18px 18px 16px;
  overflow: hidden;
}

.page-faq .stepbar__item::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0;
  bottom: 0;
  width: 3px;
  background: linear-gradient(180deg, var(--cyan), var(--cyan-deep));
}

.page-faq .stepbar__num {
  display: inline-block;
  font-size: 11.5px;
  letter-spacing: .14em;
  color: var(--cyan);
  background: var(--cyan-a08);
  border: 1px solid var(--cyan-a16);
  border-radius: var(--r-pill);
  padding: 3px 10px;
}

.page-faq .stepbar__item h3 {
  margin: 13px 0 9px;
  font-size: 17px;
  line-height: 1.45;
  color: var(--ink);
}

.page-faq .stepbar__item p {
  margin: 0 0 9px;
  font-size: 14.5px;
  line-height: 1.8;
  color: var(--ink-dim);
}

.page-faq .stepbar__tip {
  padding-top: 10px;
  border-top: 1px dashed var(--line-soft);
  color: var(--orange-soft) !important;
  font-size: 13px !important;
}

.page-faq .faq-checklist__figure {
  margin-top: 24px;
}

/* ---------- 主体两栏 ---------- */
.page-faq .faq-body {
  display: grid;
  gap: 34px;
  padding-top: 44px;
}

/* 右侧索引（移动端为普通标签行） */
.page-faq .faq-rail {
  order: -1;
  width: auto;
  padding: 0;
  border: 0;
  background: none;
  position: static;
}

.page-faq .faq-rail .rail__title {
  font-size: 12px;
  letter-spacing: .16em;
  color: var(--ink-dim);
  margin: 0 0 10px;
  text-transform: uppercase;
}

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

.page-faq .faq-rail .rail__link {
  display: inline-block;
  padding: 7px 13px;
  border-radius: var(--r-pill);
  border: 1px solid var(--line);
  background: var(--bg-1);
  color: var(--ink-dim);
  font-size: 13px;
  line-height: 1.4;
  text-decoration: none;
  transition: color .2s var(--ease), border-color .2s var(--ease), background .2s var(--ease);
}

.page-faq .faq-rail .rail__link:hover,
.page-faq .faq-rail .rail__link:focus-visible {
  color: var(--cyan);
  border-color: var(--cyan-a16);
  background: var(--cyan-a08);
}

.page-faq .faq-rail .rail__link.is-active,
.page-faq .faq-rail .rail__link[aria-current="true"] {
  color: var(--bg-0);
  background: var(--cyan);
  border-color: var(--cyan);
  font-weight: 600;
}

/* ---------- 问题分组 ---------- */
.page-faq .faq-group {
  scroll-margin-top: calc(var(--offset-top) + 24px);
  margin-bottom: 46px;
}

.page-faq .faq-group:last-child {
  margin-bottom: 0;
}

.page-faq .faq-group__head {
  padding-bottom: 16px;
  margin-bottom: 16px;
  border-bottom: 1px solid var(--line);
}

.page-faq .faq-group__head h2 {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(22px, 4.6vw, 30px);
  line-height: 1.24;
  letter-spacing: -.01em;
  margin: 10px 0 10px;
  color: var(--ink);
}

.page-faq .faq-group__head .lede {
  font-size: 14.5px;
  line-height: 1.8;
  max-width: 44em;
}

/* ---------- 折叠问答块 ---------- */
.page-faq .faq-item {
  border: 1px solid var(--line);
  border-radius: var(--r-md);
  background: var(--bg-1);
  margin-bottom: 12px;
  transition: border-color .22s var(--ease), box-shadow .22s var(--ease);
}

.page-faq .faq-item:last-child {
  margin-bottom: 0;
}

.page-faq .faq-item[open] {
  border-color: var(--cyan);
  background:
    linear-gradient(180deg, var(--cyan-a08), transparent 130px),
    var(--bg-1);
  box-shadow: 0 0 0 1px var(--cyan-a16);
}

.page-faq .faq-item__summary {
  list-style: none;
  cursor: pointer;
  display: flex;
  align-items: center;
  gap: 11px;
  padding: 14px 15px;
}

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

.page-faq .faq-item__summary::marker {
  content: "";
}

.page-faq .faq-item__summary::after {
  content: "+";
  flex: none;
  width: 24px;
  height: 24px;
  display: grid;
  place-items: center;
  border-radius: 50%;
  border: 1px solid var(--line);
  color: var(--cyan);
  font-family: var(--font-mono);
  font-size: 14px;
  line-height: 1;
  transition: transform .22s var(--ease), border-color .22s var(--ease);
}

.page-faq .faq-item[open] .faq-item__summary::after {
  content: "−";
  transform: rotate(180deg);
  border-color: var(--cyan);
}

.page-faq .faq-item__summary:focus-visible {
  outline: 2px solid var(--cyan);
  outline-offset: -2px;
  border-radius: var(--r-md);
}

.page-faq .faq-item__num {
  flex: none;
  font-size: 11.5px;
  letter-spacing: .1em;
  color: var(--cyan);
  border: 1px solid var(--cyan-a16);
  background: var(--cyan-a08);
  border-radius: var(--r-pill);
  padding: 2px 8px;
}

.page-faq .faq-item__q {
  flex: 1 1 auto;
  min-width: 0;
  font-size: 15.5px;
  font-weight: 600;
  line-height: 1.5;
  color: var(--ink);
}

.page-faq .faq-item__summary .badge {
  flex: none;
}

.page-faq .faq-item__body {
  padding: 16px 16px 20px;
  border-top: 1px dashed var(--line-soft);
  font-size: 14.5px;
  line-height: 1.85;
  color: var(--ink-dim);
}

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

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

.page-faq .faq-item__body a,
.page-faq .faq-item__body .link-arrow {
  color: var(--cyan);
}

/* ---------- 步骤清单 ---------- */
.page-faq .checklist {
  list-style: none;
  counter-reset: ck;
  margin: 12px 0 0;
  padding: 0;
  display: grid;
  gap: 11px;
}

.page-faq .checklist > li {
  counter-increment: ck;
  position: relative;
  padding-left: 38px;
  color: var(--ink);
  line-height: 1.8;
}

.page-faq .checklist > li::before {
  content: counter(ck, decimal-leading-zero);
  position: absolute;
  left: 0;
  top: 3px;
  font-family: var(--font-mono);
  font-size: 11px;
  line-height: 1;
  color: var(--cyan);
  background: var(--cyan-a08);
  border: 1px solid var(--cyan-a16);
  border-radius: var(--r-pill);
  padding: 3px 5px;
}

/* ---------- 提示条 ---------- */
.page-faq .faq-hint {
  display: block;
  margin-top: 14px;
  padding: 12px 14px;
  border: 1px solid var(--line);
  border-left: 3px solid var(--orange);
  border-radius: var(--r-sm);
  background: var(--bg-2);
  color: var(--ink);
  font-size: 12.5px;
  line-height: 1.75;
  word-break: break-word;
}

.page-faq .link-row {
  margin-top: 14px;
}

/* ---------- 下载区图文排布 ---------- */
.page-faq .faq-figure-row {
  display: grid;
  gap: 12px;
}

.page-faq .faq-download__figure {
  margin-top: 22px;
}

/* ---------- 咨询准备 ---------- */
.page-faq .faq-group--contact .panel--quiet {
  margin-top: 20px;
}

.page-faq .prepare-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 2px;
}

.page-faq .prepare-list li {
  display: grid;
  grid-template-columns: 1fr;
  gap: 3px;
  padding: 10px 0;
  border-bottom: 1px solid var(--line-soft);
  font-size: 14px;
  line-height: 1.7;
  color: var(--ink);
}

.page-faq .prepare-list li:last-child {
  border-bottom: 0;
}

.page-faq .prepare-list__k {
  font-size: 11.5px;
  letter-spacing: .08em;
  color: var(--cyan);
}

.page-faq .faq-prepare__actions {
  margin-top: 20px;
  gap: 10px;
}

.page-faq .faq-prepare__note {
  margin: 16px 0 0;
  font-size: 12.5px;
  line-height: 1.8;
}

/* ---------- 图片 ---------- */
.page-faq .media {
  border: 1px solid var(--line);
  border-radius: var(--r-lg);
  background: linear-gradient(150deg, var(--bg-1), var(--bg-deep));
  overflow: hidden;
}

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

.page-faq .media__caption {
  padding: 11px 15px;
  border-top: 1px solid var(--line-soft);
  font-size: 12.5px;
  line-height: 1.7;
  color: var(--ink-dim);
}

/* ---------- 平板与桌面 ---------- */
@media (min-width: 720px) {
  .page-faq .faq-hero__grid {
    gap: 36px;
  }

  .page-faq .stepbar {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 16px;
  }

  .page-faq .faq-figure-row {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 12px;
  }

  .page-faq .prepare-list li {
    grid-template-columns: 150px minmax(0, 1fr);
    gap: 16px;
    align-items: baseline;
  }
}

@media (min-width: 1024px) {
  .page-faq .faq-hero {
    padding-bottom: 56px;
  }

  .page-faq .faq-hero__grid {
    grid-template-columns: minmax(0, 1.4fr) minmax(0, .82fr);
    gap: 56px;
    align-items: end;
    padding-top: 26px;
  }

  .page-faq .faq-body {
    grid-template-columns: minmax(0, 1fr) 218px;
    gap: 52px;
    align-items: start;
    padding-top: 56px;
  }

  .page-faq .faq-rail {
    order: 0;
    position: sticky;
    top: calc(var(--offset-top) + 26px);
    padding-left: 20px;
    border-left: 1px solid var(--line);
  }

  .page-faq .faq-rail .rail__list {
    display: grid;
    flex-wrap: nowrap;
    gap: 3px;
  }

  .page-faq .faq-rail .rail__link {
    display: block;
    padding: 8px 10px;
    border: 0;
    border-radius: var(--r-sm);
    background: none;
  }

  .page-faq .faq-rail .rail__link:hover,
  .page-faq .faq-rail .rail__link:focus-visible {
    background: var(--cyan-a08);
  }

  .page-faq .faq-rail .rail__link.is-active,
  .page-faq .faq-rail .rail__link[aria-current="true"] {
    color: var(--cyan);
    background: var(--cyan-a08);
    box-shadow: inset 3px 0 0 var(--cyan);
    font-weight: 600;
  }

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

  .page-faq .faq-item__q {
    font-size: 16.5px;
  }

  .page-faq .faq-item__body {
    padding: 18px 22px 24px;
    font-size: 15px;
  }

  .page-faq .faq-group__head h2 {
    font-size: 32px;
  }
}

@media (min-width: 1200px) {
  .page-faq .faq-hero__grid {
    gap: 72px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-faq .faq-item,
  .page-faq .faq-item__summary::after,
  .page-faq .faq-rail .rail__link {
    transition: none;
  }
  .page-faq .faq-item[open] .faq-item__summary::after {
    transform: none;
  }
}