/* ===== 问题排查页 ===== */
.page-faq {
  --faq-rail-w: 250px;
  padding-bottom: 0;
}

/* 面包屑 */
.page-faq .breadcrumb {
  padding: 28px 0 0;
}

.page-faq .breadcrumb-list {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  margin: 0;
  padding: 0;
  list-style: none;
  font-size: 13px;
  color: var(--slate);
}

.page-faq .breadcrumb-item + .breadcrumb-item::before {
  content: "／";
  margin: 0 8px 0 6px;
  color: var(--gold);
}

.page-faq .breadcrumb-item a {
  color: var(--slate);
  text-decoration: none;
}

.page-faq .breadcrumb-item a:hover {
  color: var(--brand-deep);
}

/* 首屏声明 */
.page-faq .faq-hero {
  max-width: 780px;
  padding: 42px 0 0;
}

.page-faq .hero-title {
  margin: 14px 0 22px;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(32px, 6vw, 58px);
  line-height: 1.14;
  letter-spacing: -0.01em;
  color: var(--ink);
}

.page-faq .hero-lead {
  max-width: 660px;
  margin: 0;
  font-size: 17px;
  line-height: 1.9;
  color: var(--slate);
}

/* 数字条 */
.page-faq .faq-metrics {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 0 20px;
  margin: 44px 0 0;
  padding: 26px 22px 22px;
  background: var(--ink);
  border-radius: var(--r-lg);
  color: var(--paper);
}

.page-faq .metric {
  padding: 14px 0 10px;
  border-top: 1px solid var(--hairline-light);
}

.page-faq .metric dt {
  margin-bottom: 8px;
  font-size: 12.5px;
  letter-spacing: 0.08em;
  color: var(--muted-on-ink);
}

.page-faq .metric dd {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.5;
  color: var(--paper);
}

.page-faq .faq-metrics .stat-num {
  margin-right: 6px;
  font-family: var(--font-mono);
  font-weight: 700;
  font-size: 30px;
  line-height: 1;
  color: var(--brand);
}

/* 四宫格分流 */
.page-faq .triage {
  padding: 76px 0 0;
}

.page-faq .triage-head {
  max-width: 620px;
}

.page-faq .triage-head h2 {
  margin: 10px 0 12px;
  font-family: var(--font-display);
  font-weight: 600;
  font-size: clamp(24px, 3.6vw, 34px);
  line-height: 1.32;
  color: var(--ink);
}

.page-faq .triage-head p {
  margin: 0;
  font-size: 15.5px;
  line-height: 1.85;
  color: var(--slate);
}

.page-faq .triage-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 16px;
  margin-top: 34px;
}

.page-faq .triage-card {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 10px;
  padding: 26px 24px 22px;
  border: 1px solid transparent;
  border-radius: var(--r-lg);
  background: var(--blush);
  color: var(--ink);
  text-decoration: none;
  overflow: hidden;
  transition: transform 0.22s ease, border-color 0.22s ease, background-color 0.22s ease;
}

.page-faq .triage-card::after {
  content: "";
  position: absolute;
  inset: auto 0 0 0;
  height: 3px;
  background: linear-gradient(90deg, var(--brand), var(--gold));
  transform: scaleX(0);
  transform-origin: left center;
  transition: transform 0.28s ease;
}

.page-faq .triage-card:hover {
  transform: translateY(-3px);
  border-color: var(--gold);
}

.page-faq .triage-card:hover::after {
  transform: scaleX(1);
}

.page-faq .triage-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 44px;
  height: 44px;
  border-radius: var(--r-sm);
  background: var(--paper);
  color: var(--ink);
}

.page-faq .triage-icon svg {
  width: 22px;
  height: 22px;
}

.page-faq .triage-status {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  font-size: 12px;
  letter-spacing: 0.04em;
  color: var(--slate);
}

.page-faq .dot {
  display: inline-block;
  width: 8px;
  height: 8px;
  border-radius: 50%;
}

.page-faq .dot--gold {
  background: var(--gold-ink);
}

.page-faq .dot--brand {
  background: var(--brand);
}

.page-faq .triage-title {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 22px;
  line-height: 1.3;
  color: var(--ink);
}

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

.page-faq .triage-go {
  margin-top: auto;
  padding-top: 14px;
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 0.02em;
  color: var(--brand-deep);
}

.page-faq .triage-go::after {
  content: " →";
  transition: margin-left 0.2s ease;
}

.page-faq .triage-card:hover .triage-go::after {
  margin-left: 4px;
}

/* 问答分组 */
.page-faq .faq-group {
  padding: 78px 0 0;
  scroll-margin-top: 120px;
}

.page-faq .group-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 30px;
  align-items: start;
}

.page-faq .group-rail {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 14px;
}

.page-faq .group-num {
  font-family: var(--font-mono);
  font-size: 12.5px;
  letter-spacing: 0.18em;
  color: var(--gold-ink);
}

.page-faq .group-title {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 600;
  font-size: clamp(22px, 3vw, 27px);
  line-height: 1.38;
  color: var(--ink);
}

.page-faq .group-facts {
  display: flex;
  flex-direction: column;
  gap: 12px;
  width: 100%;
  margin: 4px 0 0;
  padding: 18px 0 0;
  border-top: 1px solid var(--hairline);
  list-style: none;
}

.page-faq .group-facts li {
  display: flex;
  align-items: baseline;
  gap: 10px;
  font-size: 13.5px;
  line-height: 1.6;
  color: var(--slate);
}

.page-faq .group-facts .stat-num {
  flex: 0 0 auto;
  font-family: var(--font-mono);
  font-weight: 700;
  font-size: 22px;
  line-height: 1;
  color: var(--brand-deep);
}

.page-faq .group-lede {
  margin: 0 0 30px;
  font-size: 16px;
  line-height: 1.95;
  color: var(--slate);
}

/* 步骤条 */
.page-faq .steps {
  display: grid;
  grid-template-columns: 1fr;
  gap: 16px;
  margin: 0 0 4px;
  padding: 0;
  list-style: none;
}

.page-faq .step {
  position: relative;
  padding: 18px 0 6px;
  border-top: 2px solid var(--sand);
  transition: border-color 0.22s ease;
}

.page-faq .step:hover {
  border-top-color: var(--gold);
}

.page-faq .step-num {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 34px;
  height: 34px;
  margin-bottom: 12px;
  border: 1px solid var(--gold);
  border-radius: var(--r-pill);
  font-family: var(--font-mono);
  font-size: 13px;
  font-weight: 700;
  color: var(--gold-ink);
}

.page-faq .step-title {
  display: block;
  margin-bottom: 6px;
  font-size: 15px;
  font-weight: 700;
  color: var(--ink);
}

.page-faq .step-text {
  display: block;
  font-size: 14px;
  line-height: 1.8;
  color: var(--slate);
}

.page-faq .step-need {
  display: block;
  margin-top: 10px;
  font-size: 12.5px;
  line-height: 1.7;
  color: var(--gold-ink);
}

/* 提示条 */
.page-faq .notice {
  margin: 26px 0 0;
  padding: 18px 22px;
  border-left: 3px solid var(--gold);
  border-radius: var(--r-md);
  background: var(--blush);
  font-size: 14.5px;
  line-height: 1.85;
  color: var(--ink);
}

/* 配图 */
.page-faq .group-media {
  margin: 30px 0 0;
}

.page-faq .group-media--top {
  margin: 0 0 34px;
}

.page-faq .group-media img {
  display: block;
  width: 100%;
  height: auto;
  border-radius: var(--r-md);
  object-fit: cover;
}

/* 折叠问答 */
.page-faq .disclosure {
  margin-top: 36px;
  border-top: 1px solid var(--hairline);
}

.page-faq .disclosure-head {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
  padding: 20px 0 10px;
}

.page-faq .disclosure-title {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 14px;
  letter-spacing: 0.14em;
  color: var(--slate);
}

.page-faq .disclosure-item {
  border-bottom: 1px solid var(--hairline);
}

.page-faq .q-head {
  margin: 0;
}

.page-faq .disclosure-trigger {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  width: 100%;
  padding: 19px 0;
  border: 0;
  background: none;
  font-family: var(--font-body);
  font-size: 16px;
  font-weight: 600;
  line-height: 1.55;
  text-align: left;
  color: var(--ink);
  cursor: pointer;
  transition: color 0.2s ease;
}

.page-faq .disclosure-trigger:hover {
  color: var(--brand-deep);
}

.page-faq .q-text {
  flex: 1 1 auto;
}

.page-faq .q-plus {
  position: relative;
  flex: 0 0 20px;
  width: 20px;
  height: 20px;
}

.page-faq .q-plus::before,
.page-faq .q-plus::after {
  content: "";
  position: absolute;
  inset: 0;
  margin: auto;
  background: var(--ink);
  border-radius: 1px;
  transition: transform 0.24s ease, background-color 0.24s ease;
}

.page-faq .q-plus::before {
  width: 14px;
  height: 1.5px;
}

.page-faq .q-plus::after {
  width: 1.5px;
  height: 14px;
}

.page-faq .disclosure-trigger:hover .q-plus::before,
.page-faq .disclosure-trigger:hover .q-plus::after {
  background: var(--brand-deep);
}

.page-faq .disclosure-trigger[aria-expanded="true"] .q-plus::after {
  transform: rotate(90deg);
}

.page-faq .disclosure-panel {
  overflow: hidden;
}

.page-faq .disclosure-body {
  max-width: 680px;
  padding: 0 0 24px;
}

.page-faq .disclosure-body p {
  margin: 0;
  font-size: 15px;
  line-height: 1.92;
  color: var(--slate);
}

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

/* 收尾联络 */
.page-faq .faq-outro {
  padding: 84px 0 96px;
  scroll-margin-top: 120px;
}

.page-faq .outro-card {
  padding: 40px 24px 34px;
  border-radius: var(--r-xl);
  background: var(--ink);
  color: var(--paper);
}

.page-faq .outro-card h2 {
  margin: 12px 0 18px;
  font-family: var(--font-display);
  font-weight: 600;
  font-size: clamp(24px, 4vw, 36px);
  line-height: 1.3;
  color: var(--paper);
}

.page-faq .outro-card p {
  max-width: 660px;
  margin: 0;
  font-size: 15.5px;
  line-height: 1.95;
  color: var(--muted-on-ink);
}

.page-faq .outro-card p + p {
  margin-top: 10px;
}

.page-faq .outro-note {
  font-size: 14px;
}

.page-faq .outro-card .btn {
  margin-top: 28px;
}

.page-faq .outro-links {
  display: flex;
  flex-wrap: wrap;
  gap: 12px 26px;
  margin: 30px 0 0;
  padding: 22px 0 0;
  border-top: 1px solid var(--hairline-light);
  list-style: none;
}

.page-faq .outro-links a {
  font-size: 14px;
  color: var(--gold);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: border-color 0.2s ease;
}

.page-faq .outro-links a:hover {
  border-bottom-color: var(--gold);
}

/* 平板与桌面 */
@media (min-width: 640px) {
  .page-faq .triage-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 20px;
  }

  .page-faq .faq-metrics {
    padding: 30px 30px 26px;
  }
}

@media (min-width: 700px) {
  .page-faq .steps {
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 18px;
  }

  .page-faq .step {
    padding: 18px 12px 6px 0;
  }
}

@media (hover: hover) and (min-width: 700px) {
  .page-faq .step-need {
    max-height: 0;
    margin-top: 0;
    opacity: 0;
    overflow: hidden;
    transition: max-height 0.26s ease, opacity 0.26s ease, margin-top 0.26s ease;
  }

  .page-faq .step:hover .step-need,
  .page-faq .step:focus-within .step-need {
    max-height: 90px;
    margin-top: 10px;
    opacity: 1;
  }
}

@media (min-width: 800px) {
  .page-faq .faq-metrics {
    grid-template-columns: repeat(4, minmax(0, 1fr));
    padding: 32px 34px 28px;
  }

  .page-faq .outro-card {
    padding: 56px 48px 46px;
  }
}

@media (min-width: 940px) {
  .page-faq .group-grid {
    grid-template-columns: var(--faq-rail-w) minmax(0, 1fr);
    gap: 56px;
  }

  .page-faq .group-rail {
    position: sticky;
    top: 120px;
  }
}

@media (min-width: 1100px) {
  .page-faq .group-grid {
    grid-template-columns: 280px minmax(0, 1fr);
    gap: 72px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-faq .triage-card,
  .page-faq .triage-card::after,
  .page-faq .step,
  .page-faq .q-plus::before,
  .page-faq .q-plus::after,
  .page-faq .disclosure-trigger,
  .page-faq .step-need {
    transition: none;
  }

  .page-faq .triage-card:hover {
    transform: none;
  }
}