.page-faq {
  --faq-soft: #C6CCDA;
  --faq-row-gap: clamp(34px, 5.4vw, 68px);
  --faq-hair: rgba(230, 233, 239, .13);
  --faq-hair-strong: rgba(230, 233, 239, .26);
  display: block;
  min-width: 0;
  overflow-x: clip;
}

.page-faq .mono {
  font-family: var(--font-mono);
}

/* ---------- 面包屑条 ---------- */
.page-faq .faq-crumb-bar {
  padding-top: clamp(18px, 3.6vw, 30px);
}

/* ---------- 首屏 ---------- */
.page-faq .faq-hero {
  position: relative;
  overflow: hidden;
  margin-top: clamp(10px, 2vw, 18px);
  padding: clamp(38px, 6.4vw, 78px) 0 clamp(34px, 5.6vw, 68px);
  background:
    radial-gradient(120% 90% at 88% 8%, rgba(255, 122, 41, .16) 0%, rgba(255, 122, 41, 0) 56%),
    linear-gradient(168deg, rgba(63, 169, 142, .16) 0%, rgba(63, 169, 142, 0) 48%),
    var(--c-ink);
  border-top: 1px solid var(--faq-hair);
  border-bottom: 1px solid var(--faq-hair);
}

.page-faq .faq-hero::before {
  content: "";
  position: absolute;
  top: -22%;
  right: -14%;
  width: 46%;
  height: 168%;
  background: linear-gradient(180deg, rgba(63, 169, 142, .18), rgba(63, 169, 142, 0) 68%);
  transform: rotate(13deg);
  pointer-events: none;
}

.page-faq .faq-hero::after {
  content: "";
  position: absolute;
  top: -14%;
  right: 22%;
  width: 2px;
  height: 130%;
  background: linear-gradient(180deg, rgba(255, 122, 41, 0), rgba(255, 122, 41, .55), rgba(255, 122, 41, 0));
  transform: rotate(14deg);
  pointer-events: none;
}

.page-faq .faq-hero-inner {
  position: relative;
  z-index: 1;
  display: grid;
  gap: clamp(26px, 4.4vw, 50px);
  align-items: center;
  min-width: 0;
}

@media (min-width: 900px) {
  .page-faq .faq-hero-inner {
    grid-template-columns: minmax(0, 1.06fr) minmax(0, .94fr);
  }
}

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

.page-faq .faq-hero-copy h1 {
  margin: 14px 0 0;
  font-family: var(--font-head);
  font-size: clamp(27px, 4.6vw, 40px);
  font-weight: 700;
  line-height: 1.32;
  letter-spacing: -.015em;
  color: var(--c-text);
  max-width: 20ch;
}

.page-faq .faq-hero-copy .lead {
  margin: 18px 0 0;
  max-width: 42ch;
  font-size: clamp(15px, 1.5vw, 16.5px);
  line-height: 1.85;
  color: var(--faq-soft);
}

.page-faq .faq-hero-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: clamp(20px, 3vw, 28px);
}

.page-faq .faq-hero-figure {
  margin: 0;
  border: 1px solid var(--faq-hair-strong);
  border-radius: var(--radius);
  overflow: hidden;
  background: var(--c-plate);
  box-shadow: var(--shadow);
}

.page-faq .faq-hero-figure .figure-media {
  overflow: hidden;
}

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

.page-faq .faq-hero-figure .figure-caption {
  padding: 12px 16px 14px;
  border-top: 1px solid var(--faq-hair);
  font-size: 12.5px;
  line-height: 1.7;
  color: var(--c-muted);
}

/* ---------- 主体双栏 ---------- */
.page-faq .faq-layout {
  display: grid;
  gap: clamp(26px, 4vw, 52px);
  padding-top: clamp(34px, 5.4vw, 60px);
  padding-bottom: clamp(50px, 8vw, 96px);
  min-width: 0;
}

@media (min-width: 1024px) {
  .page-faq .faq-layout {
    grid-template-columns: 236px minmax(0, 1fr);
    align-items: start;
  }
}

.page-faq .faq-aside {
  min-width: 0;
}

@media (min-width: 1024px) {
  .page-faq .faq-aside {
    position: sticky;
    top: calc(var(--header-h, 70px) + 26px);
  }
}

.page-faq .faq-toc-list {
  list-style: none;
  margin: 12px 0 0;
  padding: 0;
  display: grid;
  gap: 2px;
  border-left: 1px solid var(--faq-hair-strong);
}

.page-faq .faq-toc-list .toc-link {
  display: block;
  margin-left: -1px;
  padding: 9px 12px;
  border-left: 2px solid transparent;
  font-size: 14px;
  line-height: 1.5;
  color: var(--c-muted);
  text-decoration: none;
  transition: color .24s var(--ease), border-color .24s var(--ease), background .24s var(--ease);
}

.page-faq .faq-toc-list .toc-link:hover,
.page-faq .faq-toc-list .toc-link:focus-visible {
  color: var(--c-text);
  background: rgba(230, 233, 239, .05);
}

.page-faq .faq-toc-list .toc-link.is-active {
  color: var(--c-celadon);
  border-left-color: var(--c-celadon);
  background: rgba(63, 169, 142, .09);
}

.page-faq .faq-aside-note {
  margin: 18px 0 0;
  padding-top: 16px;
  border-top: 1px dashed var(--faq-hair-strong);
  font-size: 13px;
  line-height: 1.8;
  color: var(--c-muted);
}

.page-faq .faq-body {
  min-width: 0;
}

/* ---------- 章节 ---------- */
.page-faq .faq-section {
  padding-bottom: var(--faq-row-gap);
  scroll-margin-top: calc(var(--header-h, 70px) + 24px);
}

.page-faq .faq-section:last-child {
  padding-bottom: 0;
}

.page-faq .faq-section-head {
  border-top: 1px solid var(--faq-hair-strong);
  padding-top: 18px;
}

.page-faq .faq-section-head h2 {
  margin: 10px 0 0;
  font-family: var(--font-head);
  font-size: clamp(22px, 3.2vw, 28px);
  font-weight: 700;
  line-height: 1.36;
  letter-spacing: -.012em;
  color: var(--c-text);
  max-width: 24ch;
}

.page-faq .faq-section-desc {
  margin: 12px 0 0;
  max-width: 46ch;
  font-size: 15px;
  line-height: 1.85;
  color: var(--faq-soft);
}

/* ---------- 三张路径卡 ---------- */
.page-faq .faq-paths {
  display: grid;
  gap: 16px;
  margin-top: clamp(22px, 3.2vw, 32px);
}

@media (min-width: 760px) {
  .page-faq .faq-paths {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

.page-faq .path-card {
  display: flex;
  flex-direction: column;
  gap: 10px;
  padding: 20px 20px 16px;
  background: var(--c-plate);
  border: 1px solid var(--faq-hair);
  border-top: 3px solid var(--c-muted);
  border-radius: var(--radius);
  color: var(--c-text);
  text-decoration: none;
  transition: transform .2s var(--ease), box-shadow .2s var(--ease), background .2s var(--ease);
}

.page-faq .path-card:hover,
.page-faq .path-card:focus-visible {
  transform: translateY(-3px);
  box-shadow: var(--shadow);
}

.page-faq .path-card--paper {
  background: var(--c-archive);
  border-color: var(--c-paper-line);
  border-top-color: var(--c-paper-line);
  color: var(--c-text-dark);
}

.page-faq .path-card--signal {
  border-top-color: var(--c-signal);
  background: linear-gradient(160deg, rgba(255, 122, 41, .1) 0%, rgba(255, 122, 41, 0) 62%), var(--c-plate);
}

.page-faq .path-card--celadon {
  border-top-color: var(--c-celadon);
}

.page-faq .path-card-index {
  font-size: 12px;
  letter-spacing: .12em;
  color: var(--c-muted);
}

.page-faq .path-card--paper .path-card-index {
  color: var(--c-muted-dark);
}

.page-faq .path-card--signal .path-card-index {
  color: var(--c-signal);
}

.page-faq .path-card--celadon .path-card-index {
  color: var(--c-celadon);
}

.page-faq .path-card h3 {
  margin: 0;
  font-family: var(--font-head);
  font-size: 18px;
  font-weight: 700;
  line-height: 1.44;
  letter-spacing: -.01em;
  color: inherit;
}

.page-faq .path-card-desc {
  margin: 0;
  flex: 1 1 auto;
  font-size: 14px;
  line-height: 1.8;
  color: var(--faq-soft);
}

.page-faq .path-card--paper .path-card-desc {
  color: var(--c-muted-dark);
}

.page-faq .path-card-foot {
  margin-top: 6px;
  padding-top: 12px;
  border-top: 1px solid var(--faq-hair);
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .04em;
  color: var(--c-celadon);
}

.page-faq .path-card--paper .path-card-foot {
  border-top-color: var(--c-paper-line);
  color: var(--c-muted-dark);
}

.page-faq .path-card--signal .path-card-foot {
  color: var(--c-signal-soft);
}

/* ---------- 分支示意图 ---------- */
.page-faq .faq-path-figure {
  margin: clamp(22px, 3.4vw, 34px) 0 0;
  max-width: 720px;
  border: 1px solid var(--faq-hair);
  border-radius: var(--radius);
  overflow: hidden;
  background: var(--c-plate);
}

.page-faq .faq-path-figure .figure-media {
  overflow: hidden;
}

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

.page-faq .faq-path-figure .figure-caption {
  padding: 11px 15px 13px;
  border-top: 1px solid var(--faq-hair);
  font-size: 12.5px;
  line-height: 1.7;
  color: var(--c-muted);
}

/* ---------- 问答折叠面板 ---------- */
.page-faq .qa-grid {
  display: grid;
  gap: 14px;
  margin-top: clamp(22px, 3.2vw, 30px);
}

@media (min-width: 840px) {
  .page-faq .qa-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .page-faq .qa-panel--wide {
    grid-column: 1 / -1;
  }
}

.page-faq .qa-panel {
  border: 1px solid var(--faq-hair);
  border-left: 3px solid var(--c-plate-2);
  border-radius: var(--radius);
  background: var(--c-plate);
  transition: border-color .2s var(--ease), background .2s var(--ease);
}

.page-faq .qa-panel[open] {
  border-left-color: var(--c-celadon);
  background: var(--c-plate-2);
}

.page-faq .qa-panel > summary {
  position: relative;
  display: flex;
  gap: 12px;
  align-items: flex-start;
  padding: 16px 46px 16px 16px;
  cursor: pointer;
  list-style: none;
  font-family: var(--font-head);
  font-size: 15.5px;
  font-weight: 600;
  line-height: 1.65;
  color: var(--c-text);
}

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

.page-faq .qa-panel > summary::after {
  content: "+";
  position: absolute;
  right: 16px;
  top: 13px;
  font-family: var(--font-mono);
  font-size: 17px;
  line-height: 1;
  color: var(--c-signal-soft);
  transition: color .2s var(--ease);
}

.page-faq .qa-panel[open] > summary::after {
  content: "–";
  color: var(--c-celadon);
}

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

.page-faq .qa-index {
  flex: 0 0 auto;
  padding-top: 4px;
  font-size: 11px;
  letter-spacing: .1em;
  color: var(--c-muted);
}

.page-faq .qa-body {
  padding: 14px 18px 18px 16px;
  border-top: 1px solid var(--faq-hair);
  font-size: 14.5px;
  line-height: 1.85;
  color: var(--faq-soft);
}

.page-faq .qa-body p {
  margin: 0;
}

.page-faq .qa-body p + p {
  margin-top: 10px;
}

.page-faq .qa-body a {
  color: var(--c-celadon);
  text-decoration: none;
  border-bottom: 1px solid rgba(63, 169, 142, .45);
}

.page-faq .qa-body a:hover,
.page-faq .qa-body a:focus-visible {
  border-bottom-color: var(--c-celadon);
}

.page-faq .qa-steps {
  counter-reset: qa;
  list-style: none;
  margin: 14px 0 0;
  padding: 0;
  display: grid;
  gap: 8px;
}

.page-faq .qa-steps li {
  counter-increment: qa;
  position: relative;
  padding-left: 30px;
  font-size: 13.5px;
  line-height: 1.75;
  color: var(--faq-soft);
}

.page-faq .qa-steps li::before {
  content: counter(qa, decimal-leading-zero);
  position: absolute;
  left: 0;
  top: 1px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .06em;
  color: var(--c-celadon);
}

/* ---------- 人工对接 ---------- */
.page-faq .faq-contact-card {
  display: grid;
  gap: 22px;
  margin-top: clamp(22px, 3.2vw, 30px);
  padding: clamp(22px, 3.4vw, 34px);
  border: 1px solid rgba(255, 122, 41, .42);
  border-radius: var(--radius);
  background:
    linear-gradient(140deg, rgba(255, 122, 41, .13) 0%, rgba(255, 122, 41, 0) 58%),
    var(--c-plate);
}

@media (min-width: 860px) {
  .page-faq .faq-contact-card {
    grid-template-columns: minmax(0, 1.3fr) minmax(0, .7fr);
    align-items: center;
    gap: 30px;
  }
}

.page-faq .faq-contact-card h3 {
  margin: 0;
  font-family: var(--font-head);
  font-size: clamp(18px, 2.4vw, 21px);
  font-weight: 700;
  line-height: 1.46;
  color: var(--c-text);
}

.page-faq .faq-contact-card p {
  margin: 12px 0 0;
  max-width: 46ch;
  font-size: 14.5px;
  line-height: 1.85;
  color: var(--faq-soft);
}

.page-faq .faq-contact-tip {
  padding-top: 12px;
  border-top: 1px dashed var(--faq-hair-strong);
  font-size: 13.5px;
  color: var(--c-muted);
}

.page-faq .faq-contact-links {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

@media (min-width: 860px) {
  .page-faq .faq-contact-links {
    flex-direction: column;
    align-items: stretch;
  }
}

.page-faq .faq-contact-links .btn {
  justify-content: center;
  text-align: center;
}

@media (prefers-reduced-motion: reduce) {
  .page-faq .path-card,
  .page-faq .qa-panel,
  .page-faq .faq-toc-list .toc-link,
  .page-faq .qa-panel > summary::after {
    transition: none;
  }

  .page-faq .path-card:hover,
  .page-faq .path-card:focus-visible {
    transform: none;
  }
}