.page-faq {
  background: var(--ink);
  color: var(--fog);
  font-family: var(--font-body);
}

.page-faq section[id] {
  scroll-margin-top: 96px;
}

/* ---------- 首屏 ---------- */
.page-faq .hero-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(30px, 5vw, 64px);
  align-items: start;
}

.page-faq .hero-title {
  margin: 18px 0 0;
  font-size: clamp(38px, 8.6vw, 80px);
  line-height: 1.03;
  letter-spacing: -.02em;
}

.page-faq .hero-lede {
  margin-top: 22px;
  max-width: 48ch;
  color: var(--slate);
}

.page-faq .hero-actions {
  margin-top: 30px;
  gap: 12px;
}

.page-faq .quick-index {
  display: grid;
  gap: 1px;
  background: var(--grid-soft);
  border: 1px solid var(--grid);
}

.page-faq .qi-item {
  display: flex;
  align-items: baseline;
  gap: 14px;
  padding: 16px 18px;
  background: var(--ink);
  color: var(--fog);
  text-decoration: none;
  border-left: 2px solid transparent;
  transition: background .2s var(--ease), border-color .2s var(--ease), color .2s var(--ease);
}

.page-faq .qi-item:hover,
.page-faq .qi-item:focus-visible {
  background: var(--frost);
  border-left-color: var(--cyan);
  color: var(--cyan);
}

.page-faq .qi-num {
  font-size: 13px;
  letter-spacing: .08em;
  color: var(--orange);
}

.page-faq .qi-label {
  font-size: 16px;
  font-weight: 600;
}

@media (min-width: 900px) {
  .page-faq .hero-layout {
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
  }
}

/* ---------- 三步上手 ---------- */
.page-faq .steps-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(32px, 5vw, 56px);
  align-items: start;
}

.page-faq .step-cards {
  list-style: none;
  margin: 26px 0 0;
  padding: 0;
  display: grid;
  gap: 1px;
  background: var(--grid-soft);
  border-top: 1px solid var(--grid);
}

.page-faq .step-card {
  display: grid;
  grid-template-columns: 72px minmax(0, 1fr);
  gap: 6px 16px;
  align-items: start;
  padding: 22px 0;
  background: var(--ink);
}

.page-faq .step-num {
  grid-row: 1 / 3;
  font-size: 44px;
  line-height: .9;
  color: var(--cyan);
}

.page-faq .step-title {
  grid-column: 2;
  margin: 0;
  font-size: 19px;
  font-weight: 700;
  color: var(--fog);
}

.page-faq .step-text {
  grid-column: 2;
  margin: 0;
  font-size: 15px;
  line-height: 1.7;
  color: var(--slate);
}

.page-faq .steps-detail {
  min-width: 0;
}

.page-faq .steps-detail .prose {
  margin-top: 0;
  color: var(--fog);
}

.page-faq .steps-detail .media {
  margin: 30px 0 0;
}

.page-faq .hint-list {
  margin-top: 36px;
  border-top: 1px solid var(--grid);
}

.page-faq .hint-item {
  padding: 18px 0;
  border-bottom: 1px solid var(--grid);
}

.page-faq .hint-key {
  margin: 0 0 6px;
  font-size: 16px;
  font-weight: 700;
  color: var(--orange);
}

.page-faq .hint-item p:not(.hint-key) {
  margin: 0;
  font-size: 15px;
  line-height: 1.75;
  color: var(--slate);
}

@media (min-width: 1000px) {
  .page-faq .steps-layout {
    grid-template-columns: minmax(0, 4fr) minmax(0, 8fr);
  }
  .page-faq .steps-rail {
    position: sticky;
    top: 100px;
  }
}

/* ---------- 平板章节 ---------- */
.page-faq .tablet-zone {
  background: var(--wine);
}

.page-faq .tablet-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(28px, 4vw, 48px);
  margin-top: 40px;
  align-items: start;
}

.page-faq .tablet-figure {
  margin: 0;
}

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

.page-faq .gesture-item {
  display: grid;
  grid-template-columns: 54px minmax(0, 1fr);
  gap: 4px 16px;
  padding: 20px 0;
  border-bottom: 1px solid rgba(233, 241, 250, .16);
}

.page-faq .gesture-item:first-child {
  padding-top: 0;
}

.page-faq .gesture-item:last-child {
  border-bottom: 0;
  padding-bottom: 0;
}

.page-faq .gesture-icon {
  grid-row: 1 / 3;
  grid-column: 1;
  display: block;
  color: var(--cyan);
}

.page-faq .gesture-title {
  grid-column: 2;
  margin: 0;
  font-size: 18px;
  font-weight: 700;
  color: var(--fog);
}

.page-faq .gesture-text {
  grid-column: 2;
  margin: 4px 0 0;
  font-size: 15px;
  line-height: 1.75;
  color: rgba(233, 241, 250, .74);
}

@media (min-width: 900px) {
  .page-faq .tablet-grid {
    grid-template-columns: minmax(0, 5fr) minmax(0, 7fr);
  }
}

/* ---------- 刷新节奏 ---------- */
.page-faq .fresh-zone {
  background: var(--teal);
}

.page-faq .fresh-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(28px, 4vw, 52px);
  margin-top: 36px;
  align-items: start;
}

.page-faq .fresh-copy .prose {
  margin-top: 0;
}

.page-faq .fresh-copy .prose + .prose {
  margin-top: 18px;
}

.page-faq .fresh-copy .note {
  margin-top: 22px;
}

.page-faq .inline-link {
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px solid rgba(41, 242, 214, .4);
}

.page-faq .inline-link:hover {
  border-bottom-color: var(--cyan);
}

.page-faq .fresh-kpis {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1px;
  background: var(--grid-soft);
  border: 1px solid var(--grid);
}

.page-faq .fresh-kpis .kpi {
  display: grid;
  gap: 10px;
  align-content: start;
  padding: 24px 20px;
  background: var(--frost);
}

.page-faq .fresh-kpis .kpi-value {
  font-size: clamp(28px, 5vw, 40px);
  line-height: 1;
  color: var(--cyan);
}

.page-faq .fresh-kpis .kpi-value--orange {
  color: var(--orange);
}

.page-faq .fresh-kpis .unit {
  margin-left: 4px;
  font-family: var(--font-body);
  font-size: 14px;
  color: var(--slate);
}

.page-faq .fresh-kpis .kpi-label {
  font-size: 13px;
  letter-spacing: .04em;
  color: var(--slate);
}

@media (min-width: 960px) {
  .page-faq .fresh-grid {
    grid-template-columns: minmax(0, 6fr) minmax(0, 6fr);
  }
}

/* ---------- 排查问答 ---------- */
.page-faq .qa-list {
  display: grid;
  gap: 12px;
  margin-top: 40px;
}

.page-faq .qa {
  border: 1px solid var(--grid);
  border-left: 2px solid var(--grid);
  background: var(--frost);
  transition: border-color .2s var(--ease), background .2s var(--ease);
}

.page-faq .qa[open] {
  border-left-color: var(--cyan);
  background: var(--frost-strong);
}

.page-faq .qa-q {
  display: flex;
  align-items: baseline;
  gap: 14px;
  padding: 20px;
  cursor: pointer;
  list-style: none;
  font-size: 17px;
  font-weight: 700;
  color: var(--fog);
}

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

.page-faq .qa-q::after {
  content: "+";
  flex: none;
  margin-left: auto;
  font-family: var(--font-mono);
  font-size: 20px;
  line-height: 1;
  color: var(--cyan);
}

.page-faq .qa[open] .qa-q::after {
  content: "\2212";
}

.page-faq .qa-tag {
  flex: none;
  font-size: 12px;
  letter-spacing: .08em;
  color: var(--orange);
}

.page-faq .qa-a {
  padding: 0 20px 24px;
}

.page-faq .check-list {
  list-style: none;
  margin: 0;
  padding: 0;
  counter-reset: chk;
  display: grid;
  gap: 12px;
}

.page-faq .check-list li {
  position: relative;
  padding-left: 34px;
  font-size: 15px;
  line-height: 1.8;
  color: var(--slate);
  counter-increment: chk;
}

.page-faq .check-list li::before {
  content: counter(chk, decimal-leading-zero);
  position: absolute;
  left: 0;
  top: 3px;
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--cyan);
}

/* ---------- 联系客服 ---------- */
.page-faq .help-zone {
  background: var(--indigo);
}

.page-faq .help-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(28px, 4vw, 48px);
  align-items: start;
}

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

.page-faq .help-copy .prose {
  margin-top: 0;
}

.page-faq .help-check {
  margin-top: 26px;
}

.page-faq .help-links {
  display: flex;
  flex-wrap: wrap;
  gap: 12px 24px;
  margin-top: 28px;
}

.page-faq .help-links a {
  font-size: 14px;
  color: var(--cyan);
  text-decoration: none;
  padding-bottom: 2px;
  border-bottom: 1px solid rgba(41, 242, 214, .35);
}

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

.page-faq .help-card {
  margin: 0;
}

.page-faq .contact-list {
  margin: 0;
  display: grid;
}

.page-faq .contact-row {
  display: grid;
  gap: 4px;
  padding: 16px 0;
  border-top: 1px solid var(--grid);
}

.page-faq .contact-row:first-child {
  border-top: 0;
}

.page-faq .contact-row dt {
  font-size: 12px;
  letter-spacing: .1em;
  color: var(--slate);
}

.page-faq .contact-row dd {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 16px;
  color: var(--cyan);
  overflow-wrap: anywhere;
}

@media (min-width: 960px) {
  .page-faq .help-grid {
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
  }
}

/* ---------- 媒体与窄屏 ---------- */
.page-faq .media img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
}

.page-faq .media-caption {
  margin-top: 10px;
}

@media (max-width: 560px) {
  .page-faq .fresh-kpis {
    grid-template-columns: minmax(0, 1fr);
  }
  .page-faq .step-card {
    grid-template-columns: 58px minmax(0, 1fr);
  }
  .page-faq .step-num {
    font-size: 34px;
  }
  .page-faq .gesture-item {
    grid-template-columns: 38px minmax(0, 1fr);
  }
  .page-faq .gesture-icon svg {
    width: 32px;
    height: 32px;
  }
}