.page-faq {
  --faq-gap: clamp(20px, 3.4vw, 44px);
  --faq-block-pad: clamp(26px, 4.6vw, 58px);
  display: block;
  position: relative;
  overflow-x: clip;
  background-color: var(--paper-100);
  background-image: repeating-linear-gradient(112deg, rgba(11, 26, 43, .04) 0 1px, transparent 1px 30px);
  color: var(--char-800);
  font-family: var(--font-body);
}

.page-faq .faq-wrap {
  width: 100%;
  max-width: 1180px;
  margin-inline: auto;
  padding-inline: clamp(18px, 4.4vw, 48px);
}

/* ---------- 首屏 ---------- */
.page-faq .faq-hero {
  position: relative;
  overflow: clip;
  padding-block: clamp(26px, 4.6vw, 62px) clamp(18px, 2.6vw, 30px);
}

.page-faq .faq-hero-inner {
  position: relative;
  z-index: 1;
}

.page-faq .faq-hero-stripe {
  position: absolute;
  top: -50%;
  inset-inline-end: -14%;
  width: 44%;
  height: 200%;
  border-radius: var(--radius-lg);
  background: linear-gradient(180deg, rgba(18, 200, 214, .16), rgba(18, 200, 214, 0) 72%);
  transform: rotate(13deg);
  pointer-events: none;
  z-index: 0;
}

.page-faq .faq-hero h1 {
  font-family: var(--font-title);
  font-weight: 900;
  letter-spacing: -.02em;
  font-size: clamp(32px, 6.6vw, 44px);
  line-height: 1.16;
  color: var(--ink-900);
  margin: 10px 0 14px;
  max-width: 15em;
}

.page-faq .faq-hero .lead {
  font-size: 17px;
  line-height: 1.75;
  color: var(--slate-600);
  max-width: 34em;
}

.page-faq .faq-facts {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 18px;
  margin: 20px 0 0;
  padding: 0;
  list-style: none;
  font-size: 13px;
  color: var(--slate-600);
}

.page-faq .faq-facts li {
  display: flex;
  align-items: center;
  gap: 7px;
}

.page-faq .faq-facts li::before {
  content: "";
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--cyan-500);
  flex: none;
}

.page-faq .faq-toc {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 22px;
}

.page-faq .faq-toc-link {
  display: inline-flex;
  align-items: center;
  padding: 6px 14px;
  border-radius: var(--radius-pill);
  border: 1px solid var(--line-cyan);
  background: rgba(253, 251, 246, .72);
  color: var(--ink-700);
  font-size: 13px;
  line-height: 1.4;
  text-decoration: none;
  transition: background .2s var(--ease), color .2s var(--ease), border-color .2s var(--ease);
}

.page-faq .faq-toc-link:hover,
.page-faq .faq-toc-link:focus-visible {
  background: var(--cyan-300);
  border-color: var(--cyan-500);
  color: var(--ink-900);
}

.page-faq .faq-toc-link[aria-current="true"] {
  background: var(--ink-900);
  border-color: var(--ink-900);
  color: var(--paper-0);
}

/* ---------- 章节骨架 ---------- */
.page-faq .faq-block {
  padding-block: var(--faq-block-pad);
}

.page-faq .faq-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: var(--faq-gap);
}

.page-faq .faq-block h2 {
  font-family: var(--font-title);
  font-weight: 900;
  letter-spacing: -.015em;
  font-size: clamp(24px, 4.6vw, 34px);
  line-height: 1.22;
  color: var(--ink-900);
  margin: 6px 0 12px;
}

.page-faq .faq-block h3 {
  font-family: var(--font-title);
  font-weight: 800;
  font-size: 19px;
  line-height: 1.35;
  color: var(--ink-900);
  margin: 0 0 8px;
}

.page-faq .faq-main > p,
.page-faq .faq-wide-lead {
  font-size: 17px;
  line-height: 1.75;
  color: var(--slate-600);
  max-width: 34em;
  margin: 0 0 22px;
}

.page-faq .faq-note-line {
  margin: 20px 0 0;
  padding-left: 14px;
  border-left: 3px solid var(--cyan-500);
  font-size: 15px;
  line-height: 1.7;
  color: var(--ink-700);
  max-width: 34em;
}

/* ---------- 旁注 ---------- */
.page-faq .faq-aside .side-note {
  background: var(--paper-0);
  border: 1px solid var(--line-soft);
  border-left: 3px solid var(--gold-500);
  border-radius: var(--radius-md);
  padding: 16px 18px;
  font-size: 14px;
  line-height: 1.72;
  color: var(--ink-700);
}

.page-faq .faq-aside .side-note strong {
  display: block;
  font-family: var(--font-title);
  font-weight: 800;
  font-size: 15px;
  color: var(--ink-900);
  margin-bottom: 6px;
}

.page-faq .faq-aside .side-note p {
  margin: 0;
}

/* ---------- 三步卡 ---------- */
.page-faq .faq-steps {
  list-style: none;
  margin: 0 0 28px;
  padding: 0;
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 14px;
}

.page-faq .faq-step {
  position: relative;
  background: var(--paper-0);
  border: 1px solid var(--line-soft);
  border-radius: var(--radius-md);
  padding: 20px 18px 14px;
  box-shadow: var(--shadow-soft);
}

.page-faq .faq-step::before {
  content: "";
  position: absolute;
  inset: 0 0 auto 0;
  height: 3px;
  border-radius: var(--radius-md) var(--radius-md) 0 0;
  background: linear-gradient(90deg, var(--cyan-500), rgba(18, 200, 214, .12));
}

.page-faq .faq-step-num {
  display: inline-block;
  font-size: 13px;
  letter-spacing: .2em;
  color: var(--ink-700);
  background: rgba(18, 200, 214, .14);
  border-radius: var(--radius-pill);
  padding: 3px 11px;
  margin-bottom: 12px;
}

.page-faq .faq-step p {
  margin: 0;
  font-size: 15px;
  line-height: 1.72;
  color: var(--slate-600);
}

/* ---------- 可展开的注意点 ---------- */
.page-faq .faq-tip {
  margin-top: 12px;
  border-top: 1px dashed var(--line-soft);
}

.page-faq .faq-tip summary {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 10px 0 4px;
  cursor: pointer;
  list-style: none;
  font-size: 14px;
  color: var(--ink-700);
}

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

.page-faq .faq-tip summary::after {
  content: "";
  width: 7px;
  height: 7px;
  margin-left: auto;
  flex: none;
  border-right: 1.6px solid currentColor;
  border-bottom: 1.6px solid currentColor;
  transform: rotate(-45deg);
  transition: transform .2s var(--ease);
}

.page-faq .faq-tip[open] summary::after {
  transform: rotate(45deg);
}

.page-faq .faq-tip p {
  margin: 6px 0 4px;
  font-size: 14px;
  line-height: 1.7;
  color: var(--ink-700);
}

/* ---------- 图片 ---------- */
.page-faq .faq-figure {
  margin: 28px 0 0;
}

.page-faq .faq-shot {
  aspect-ratio: 2 / 1;
}

.page-faq .faq-figure .figure-frame {
  border-radius: var(--radius-md);
  overflow: hidden;
  border: 1px solid var(--line-soft);
  background: var(--paper-0);
}

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

.page-faq .faq-figure .figure-cap {
  margin-top: 10px;
  font-size: 13px;
  line-height: 1.7;
  color: var(--slate-600);
}

/* ---------- 收藏落点对照 ---------- */
.page-faq .faq-pair {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 16px;
}

.page-faq .faq-save-card {
  display: flex;
  flex-direction: column;
  gap: 10px;
  padding: 22px 20px;
  border-radius: var(--radius-md);
  border: 1px solid var(--line-soft);
  background: var(--paper-0);
}

.page-faq .faq-save-card .badge {
  align-self: flex-start;
}

.page-faq .faq-save-card h3 {
  margin: 2px 0 0;
}

.page-faq .faq-save-card > p {
  margin: 0;
  font-size: 15px;
  line-height: 1.72;
  color: var(--slate-600);
}

.page-faq .faq-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 8px;
  border-top: 1px dashed var(--line-soft);
  padding-top: 12px;
}

.page-faq .faq-list li {
  position: relative;
  padding-left: 18px;
  font-size: 14px;
  line-height: 1.7;
  color: var(--ink-700);
}

.page-faq .faq-list li::before {
  content: "";
  position: absolute;
  left: 2px;
  top: .62em;
  width: 7px;
  height: 7px;
  border-radius: 2px;
  background: var(--gold-500);
}

/* ---------- 自查清单 ---------- */
.page-faq .faq-check {
  list-style: none;
  margin: 0 0 8px;
  padding: 0;
  display: grid;
  gap: 12px;
}

.page-faq .faq-check li {
  display: grid;
  grid-template-columns: 34px minmax(0, 1fr);
  gap: 14px;
  align-items: start;
  background: var(--paper-0);
  border: 1px solid var(--line-soft);
  border-radius: var(--radius-md);
  padding: 16px 18px;
}

.page-faq .faq-check-num {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 34px;
  height: 34px;
  border-radius: 50%;
  background: rgba(11, 26, 43, .06);
  border: 1px solid var(--line-cyan);
  color: var(--ink-700);
  font-size: 13px;
  letter-spacing: .06em;
}

.page-faq .faq-check h3 {
  font-size: 17px;
  margin: 4px 0 6px;
}

.page-faq .faq-check p {
  margin: 0;
  font-size: 15px;
  line-height: 1.72;
  color: var(--slate-600);
}

/* ---------- 修正动作 ---------- */
.page-faq .faq-fix {
  list-style: none;
  margin: 0 0 4px;
  padding: 0;
  display: grid;
  gap: 14px;
}

.page-faq .faq-fix-item {
  background: var(--paper-0);
  border: 1px solid var(--line-soft);
  border-radius: var(--radius-md);
  padding: 18px 20px;
}

.page-faq .faq-fix-item--back {
  box-shadow: inset 3px 0 0 var(--gold-500);
}

.page-faq .faq-fix-item--home {
  box-shadow: inset 3px 0 0 var(--rose-500);
}

.page-faq .faq-fix-tag {
  display: inline-block;
  font-size: 13px;
  letter-spacing: .14em;
  color: var(--ink-700);
  background: rgba(11, 26, 43, .05);
  border-radius: var(--radius-pill);
  padding: 3px 12px;
  margin-bottom: 10px;
}

.page-faq .faq-fix-item > p {
  margin: 0;
  font-size: 15px;
  line-height: 1.72;
  color: var(--slate-600);
}

.page-faq .faq-fix-when {
  margin-top: 8px !important;
  font-size: 13px !important;
  color: var(--ink-700) !important;
}

/* ---------- 误触区块 ---------- */
.page-faq .faq-arrow-row {
  display: flex;
  align-items: center;
  gap: 12px;
  color: var(--cyan-500);
  margin: 0 0 20px;
}

.page-faq .faq-arrow-label {
  font-size: 13px;
  letter-spacing: .12em;
  color: var(--ink-700);
}

.page-faq .faq-tips-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 14px;
}

.page-faq .faq-tip-card {
  padding: 20px 18px;
  border-radius: var(--radius-md);
  border: 1px solid var(--line-soft);
  background: var(--paper-0);
}

.page-faq .faq-tip-card h3 {
  font-size: 17px;
}

.page-faq .faq-tip-card p {
  margin: 0;
  font-size: 15px;
  line-height: 1.72;
  color: var(--slate-600);
}

/* ---------- 问答 ---------- */
.page-faq .faq-questions {
  display: grid;
  gap: 10px;
  max-width: 62em;
}

.page-faq .faq-q {
  background: var(--paper-0);
  border: 1px solid var(--line-soft);
  border-radius: var(--radius-md);
  overflow: hidden;
  transition: box-shadow .2s var(--ease), border-color .2s var(--ease);
}

.page-faq .faq-q[open] {
  border-color: var(--line-cyan);
  box-shadow: inset 3px 0 0 var(--cyan-500);
}

.page-faq .faq-q summary {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 10px;
  padding: 16px 18px;
  cursor: pointer;
  list-style: none;
  font-family: var(--font-title);
  font-weight: 800;
  font-size: 16px;
  line-height: 1.5;
  color: var(--ink-900);
}

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

.page-faq .faq-q-mark {
  display: inline-flex;
  align-items: center;
  font-size: 12px;
  letter-spacing: .12em;
  color: var(--ink-900);
  background: var(--gold-200);
  border-radius: var(--radius-pill);
  padding: 2px 10px;
  flex: none;
}

.page-faq .faq-q-text {
  flex: 1 1 12em;
  min-width: 0;
}

.page-faq .faq-q-body {
  padding: 0 18px 18px;
}

.page-faq .faq-q-body p {
  margin: 0;
  font-size: 15px;
  line-height: 1.75;
  color: var(--slate-600);
  max-width: 40em;
}

/* ---------- 结尾深色卡 ---------- */
.page-faq .faq-end-card {
  position: relative;
  overflow: hidden;
  border-radius: var(--radius-lg);
  padding: clamp(24px, 4.4vw, 46px);
  background: linear-gradient(135deg, var(--ink-900) 0%, var(--ink-700) 78%);
  color: var(--paper-100);
}

.page-faq .faq-end-card::after {
  content: "";
  position: absolute;
  top: -90px;
  right: -70px;
  width: 280px;
  height: 280px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(18, 200, 214, .3), rgba(18, 200, 214, 0) 68%);
  pointer-events: none;
}

.page-faq .faq-end-card .eyebrow {
  color: var(--cyan-300);
  position: relative;
  z-index: 1;
}

.page-faq .faq-end-card h2 {
  color: var(--paper-0);
  position: relative;
  z-index: 1;
  margin-bottom: 14px;
}

.page-faq .faq-end-card p {
  position: relative;
  z-index: 1;
  font-size: 16px;
  line-height: 1.8;
  color: rgba(246, 241, 231, .82);
  max-width: 36em;
  margin: 0;
}

.page-faq .faq-end-link {
  color: var(--gold-200);
  text-decoration: none;
  border-bottom: 1px solid rgba(240, 217, 166, .45);
  padding-bottom: 1px;
}

.page-faq .faq-end-link:hover,
.page-faq .faq-end-link:focus-visible {
  color: var(--gold-500);
  border-bottom-color: var(--gold-500);
}

.page-faq .faq-end-actions {
  position: relative;
  z-index: 1;
  margin-top: 24px;
}

/* ---------- 响应式 ---------- */
@media (min-width: 700px) {
  .page-faq .faq-pair,
  .page-faq .faq-tips-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (min-width: 880px) {
  .page-faq .faq-steps {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 16px;
  }
}

@media (min-width: 1024px) {
  .page-faq .faq-grid {
    grid-template-columns: minmax(0, 1fr) minmax(210px, 258px);
    gap: clamp(30px, 3.4vw, 58px);
    align-items: start;
  }

  .page-faq .faq-aside {
    position: sticky;
    top: calc(var(--topbar-h) + 26px);
    align-self: start;
  }
}

@media (max-width: 560px) {
  .page-faq .faq-hero-stripe {
    inset-inline-end: -34%;
    width: 74%;
  }

  .page-faq .faq-step,
  .page-faq .faq-save-card,
  .page-faq .faq-check li,
  .page-faq .faq-tip-card {
    padding-inline: 15px;
  }

  .page-faq .faq-q summary {
    padding: 14px 15px;
    font-size: 15px;
  }

  .page-faq .faq-q-body {
    padding: 0 15px 16px;
  }

  .page-faq .faq-check li {
    grid-template-columns: 28px minmax(0, 1fr);
    gap: 11px;
  }

  .page-faq .faq-check-num {
    width: 28px;
    height: 28px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-faq .faq-toc-link,
  .page-faq .faq-tip summary::after,
  .page-faq .faq-q {
    transition: none;
  }
}