.page-faq {
  --faq-line: rgba(20, 24, 31, .12);
  --faq-line-soft: rgba(20, 24, 31, .07);
  display: block;
  background: var(--snow);
  color: var(--ink);
  font-family: var(--font-body);
  line-height: 1.65;
  overflow-x: clip;
}

.page-faq img {
  max-width: 100%;
  height: auto;
}

.page-faq .eyebrow {
  margin: 0 0 8px;
}

/* ---------- 首屏 ---------- */
.page-faq .faq-hero {
  padding: 26px 0 44px;
  background:
    radial-gradient(92% 70% at 88% 0%, rgba(27, 107, 255, .13), transparent 62%),
    radial-gradient(70% 62% at 4% 100%, rgba(0, 229, 195, .10), transparent 72%),
    #FFFFFF;
  border-bottom: 1px solid var(--faq-line-soft);
}

.page-faq .breadcrumb ol {
  display: flex;
  flex-wrap: wrap;
  gap: 0;
  margin: 0 0 22px;
  padding: 0;
  list-style: none;
  font-family: var(--font-mono);
  font-size: var(--fs-1);
  color: var(--gray);
}

.page-faq .breadcrumb li + li::before {
  content: "/";
  margin: 0 8px;
  opacity: .55;
}

.page-faq .breadcrumb a {
  color: var(--gray);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: color var(--dur) var(--ease), border-color var(--dur) var(--ease);
}

.page-faq .breadcrumb a:hover,
.page-faq .breadcrumb a:focus-visible {
  color: var(--ice);
  border-bottom-color: var(--ice);
}

.page-faq .breadcrumb [aria-current="page"] {
  color: var(--ink);
}

.page-faq .hero-grid {
  display: grid;
  gap: 28px;
}

.page-faq .hero-copy h1 {
  margin: 6px 0 18px;
  max-width: 22ch;
}

.page-faq .hero-copy .lede {
  max-width: 58ch;
  color: var(--gray);
  margin: 0 0 24px;
}

.page-faq .faq-panel {
  position: relative;
  background: var(--ink);
  color: var(--snow);
  border-radius: var(--radius-lg);
  padding: 22px 22px 16px;
  border: 1px solid rgba(247, 250, 255, .10);
}

.page-faq .faq-panel::before {
  content: "";
  position: absolute;
  left: 22px;
  right: 22px;
  top: 0;
  height: 2px;
  border-radius: 0 0 2px 2px;
  background: linear-gradient(90deg, var(--ice), var(--cyan) 62%, var(--lava));
}

.page-faq .faq-panel__title {
  margin: 6px 0 4px;
  font-family: var(--font-mono);
  font-size: var(--fs-1);
  letter-spacing: .14em;
  color: var(--cyan);
}

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

.page-faq .faq-panel__list li {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 16px;
  padding: 13px 0;
  border-bottom: 1px solid var(--line-dark);
  font-size: 14px;
}

.page-faq .faq-panel__list li:last-child {
  border-bottom: 0;
  padding-bottom: 4px;
}

.page-faq .faq-panel__list li > span:first-child {
  color: rgba(247, 250, 255, .70);
}

.page-faq .faq-panel__list .num {
  font-size: 17px;
  color: var(--snow);
  white-space: nowrap;
}

/* ---------- 场景定位 + 手风琴 ---------- */
.page-faq .faq-scenes {
  padding: 52px 0;
  background: var(--snow);
}

.page-faq .faq-intro {
  max-width: 58ch;
  margin: 0 0 28px;
  color: var(--gray);
  font-size: 15px;
}

.page-faq .scene-board {
  display: grid;
  gap: 24px;
}

.page-faq .scene-pills {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-faq .scene-pill {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  padding: 10px 16px;
  border-radius: var(--radius-pill);
  border: 1px solid var(--faq-line);
  background: #FFFFFF;
  color: var(--ink);
  text-decoration: none;
  font-size: 14px;
  line-height: 1.35;
  transition: border-color var(--dur) var(--ease), color var(--dur) var(--ease), background var(--dur) var(--ease);
}

.page-faq .scene-pill .num {
  font-size: var(--fs-1);
  color: var(--ice);
}

.page-faq .scene-pill:hover,
.page-faq .scene-pill:focus-visible {
  border-color: var(--ice);
  color: var(--ice);
  background: #F4F8FF;
}

.page-faq .fix-stack {
  display: block;
}

.page-faq .fix-item {
  background: #FFFFFF;
  border: 1px solid var(--faq-line);
  border-radius: var(--radius-lg);
  margin-bottom: 14px;
  overflow: hidden;
  transition: border-color var(--dur) var(--ease), box-shadow var(--dur) var(--ease);
}

.page-faq .fix-item[open] {
  border-color: rgba(27, 107, 255, .42);
  box-shadow: var(--shadow-soft);
}

.page-faq .fix-item > summary {
  display: flex;
  align-items: flex-start;
  gap: 14px;
  padding: 18px 20px;
  cursor: pointer;
  list-style: none;
}

.page-faq .fix-item > summary::-webkit-details-marker {
  display: none;
}

.page-faq .fix-head {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.page-faq .fix-title {
  font-size: 17px;
  font-weight: 700;
  line-height: 1.4;
  color: var(--ink);
}

.page-faq .fix-sub {
  font-size: 13px;
  color: var(--gray);
  line-height: 1.5;
}

.page-faq .fix-mark {
  margin-left: auto;
  flex: 0 0 auto;
  width: 26px;
  height: 26px;
  border-radius: var(--radius-pill);
  border: 1px solid var(--faq-line);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-mono);
  font-size: 15px;
  line-height: 1;
  color: var(--ice);
}

.page-faq .fix-mark::before {
  content: "+";
}

.page-faq .fix-item[open] .fix-mark {
  border-color: var(--ice);
  background: var(--ice);
  color: #FFFFFF;
}

.page-faq .fix-item[open] .fix-mark::before {
  content: "–";
}

.page-faq .fix-body {
  padding: 0 20px 20px;
  border-top: 1px solid var(--faq-line-soft);
  margin-top: 2px;
}

.page-faq .fix-body ol {
  counter-reset: fixstep;
  margin: 0;
  padding: 6px 0 0;
  list-style: none;
}

.page-faq .fix-body li {
  counter-increment: fixstep;
  position: relative;
  padding-left: 36px;
  margin-top: 14px;
  font-size: 15px;
  color: var(--gray);
}

.page-faq .fix-body li::before {
  content: counter(fixstep, decimal-leading-zero);
  position: absolute;
  left: 0;
  top: 1px;
  font-family: var(--font-mono);
  font-size: var(--fs-1);
  color: var(--lava);
}

/* ---------- 三步自查 ---------- */
.page-faq .faq-check {
  padding: 52px 0;
  background: var(--mineral);
}

.page-faq .check-grid {
  display: grid;
  gap: 30px;
  align-items: start;
}

.page-faq .check-list {
  margin: 26px 0 0;
  padding: 0;
  list-style: none;
}

.page-faq .check-step {
  display: grid;
  grid-template-columns: 44px minmax(0, 1fr);
  gap: 14px;
  padding: 20px 0;
  border-top: 1px solid rgba(20, 24, 31, .16);
}

.page-faq .check-step:first-child {
  border-top: 0;
  padding-top: 6px;
}

.page-faq .check-num {
  font-size: 26px;
  line-height: 1;
  color: var(--clay);
}

.page-faq .check-text h3 {
  margin: 0 0 6px;
}

.page-faq .check-text p {
  margin: 0;
  font-size: 15px;
  color: var(--gray);
}

.page-faq .check-media {
  margin: 0;
  border-radius: var(--radius-lg);
  overflow: hidden;
  background: var(--ink);
  border: 1px solid rgba(20, 24, 31, .18);
}

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

/* ---------- V9 对照 ---------- */
.page-faq .faq-matrix {
  padding: 52px 0;
  background: var(--ink);
  color: var(--snow);
}

.page-faq .faq-matrix .eyebrow {
  color: var(--cyan);
}

.page-faq .faq-matrix .title-2 {
  color: var(--snow);
  margin: 0 0 12px;
}

.page-faq .matrix-head p:not(.eyebrow) {
  max-width: 58ch;
  margin: 0 0 26px;
  color: rgba(247, 250, 255, .74);
  font-size: 15px;
}

.page-faq .matrix-media {
  margin: 0 0 26px;
  border-radius: var(--radius-lg);
  overflow: hidden;
  border: 1px solid var(--line-dark);
  background: rgba(247, 250, 255, .04);
}

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

.page-faq .table-scroll {
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
  border-radius: var(--radius-md);
  border: 1px solid var(--line-dark);
}

.page-faq .v9-table {
  width: 100%;
  min-width: 640px;
  border-collapse: collapse;
  font-size: 14px;
  text-align: left;
}

.page-faq .v9-table th {
  padding: 13px 16px;
  font-family: var(--font-mono);
  font-size: var(--fs-1);
  font-weight: 500;
  letter-spacing: .08em;
  color: var(--cyan);
  border-bottom: 1px solid var(--line-dark);
  white-space: nowrap;
}

.page-faq .v9-table td {
  padding: 14px 16px;
  border-bottom: 1px solid rgba(247, 250, 255, .08);
  color: rgba(247, 250, 255, .78);
  vertical-align: top;
}

.page-faq .v9-table tbody tr:last-child td {
  border-bottom: 0;
}

.page-faq .v9-table td:first-child {
  font-family: var(--font-mono);
  color: var(--snow);
  white-space: nowrap;
}

.page-faq .matrix-foot {
  margin: 20px 0 0;
  font-size: 14px;
  color: rgba(247, 250, 255, .68);
}

.page-faq .matrix-foot a {
  margin-left: 8px;
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px solid rgba(0, 229, 195, .45);
}

.page-faq .matrix-foot a:hover,
.page-faq .matrix-foot a:focus-visible {
  border-bottom-color: var(--cyan);
}

/* ---------- 数据查看 ---------- */
.page-faq .faq-data {
  padding: 52px 0;
  background: var(--snow);
}

.page-faq .data-grid {
  display: grid;
  gap: 28px;
  align-items: start;
}

.page-faq .data-copy p {
  max-width: 62ch;
  margin: 0 0 14px;
  font-size: 15px;
  color: var(--gray);
}

.page-faq .data-copy .btn-row {
  margin-top: 22px;
}

.page-faq .data-facts {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1px;
  margin: 0;
  padding: 0;
  list-style: none;
  background: var(--faq-line-soft);
  border: 1px solid var(--faq-line-soft);
  border-radius: var(--radius-lg);
  overflow: hidden;
}

.page-faq .data-facts li {
  background: #FFFFFF;
  padding: 20px 16px;
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.page-faq .data-facts .num {
  font-size: 24px;
  line-height: 1.1;
  color: var(--ice);
}

.page-faq .data-facts li > span:last-child {
  font-size: 13px;
  color: var(--gray);
}

/* ---------- 联系支持 ---------- */
.page-faq .faq-support {
  padding: 52px 0 64px;
  background: linear-gradient(180deg, var(--snow) 0%, #EAF1FF 100%);
  border-top: 1px solid var(--faq-line-soft);
}

.page-faq .support-grid {
  display: grid;
  gap: 26px;
  align-items: start;
}

.page-faq .support-list {
  margin: 24px 0 20px;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 10px;
}

.page-faq .support-list li {
  display: flex;
  align-items: baseline;
  gap: 12px;
  padding: 12px 16px;
  background: rgba(255, 255, 255, .78);
  border: 1px solid var(--faq-line-soft);
  border-radius: var(--radius-md);
  font-size: 15px;
}

.page-faq .support-list .num {
  font-size: var(--fs-1);
  color: var(--clay);
}

.page-faq .support-copy > p:last-of-type {
  max-width: 58ch;
  margin: 0;
  font-size: 15px;
  color: var(--gray);
}

.page-faq .support-card {
  background: #FFFFFF;
  border: 1px solid var(--faq-line);
  border-radius: var(--radius-lg);
  padding: 24px 22px;
  box-shadow: var(--shadow-soft);
}

.page-faq .support-card__label {
  margin: 0 0 4px;
  font-family: var(--font-mono);
  font-size: var(--fs-1);
  letter-spacing: .1em;
  color: var(--gray);
}

.page-faq .support-card__value {
  margin: 0 0 12px;
  font-size: 17px;
  color: var(--ink);
  word-break: break-all;
}

.page-faq .support-card .copy-btn {
  margin-bottom: 4px;
}

.page-faq .support-card__line {
  height: 1px;
  margin: 16px 0;
  background: var(--faq-line-soft);
}

.page-faq .support-card .btn {
  margin-top: 6px;
  width: 100%;
  justify-content: center;
}

/* ---------- 响应式 ---------- */
@media (min-width: 720px) {
  .page-faq .faq-hero {
    padding: 34px 0 56px;
  }

  .page-faq .faq-scenes,
  .page-faq .faq-check,
  .page-faq .faq-matrix,
  .page-faq .faq-data,
  .page-faq .faq-support {
    padding-top: 66px;
    padding-bottom: 66px;
  }

  .page-faq .faq-support {
    padding-bottom: 80px;
  }

  .page-faq .check-step {
    grid-template-columns: 58px minmax(0, 1fr);
    gap: 18px;
  }

  .page-faq .check-num {
    font-size: 32px;
  }

  .page-faq .fix-item > summary {
    padding: 20px 24px;
  }

  .page-faq .fix-body {
    padding: 0 24px 24px;
  }
}

@media (min-width: 980px) {
  .page-faq .hero-grid {
    grid-template-columns: 1.15fr .85fr;
    gap: 52px;
    align-items: end;
  }

  .page-faq .faq-panel {
    padding: 26px 26px 18px;
  }

  .page-faq .scene-board {
    grid-template-columns: 296px minmax(0, 1fr);
    gap: 44px;
    align-items: start;
  }

  .page-faq .scene-pills {
    flex-direction: column;
    flex-wrap: nowrap;
    position: sticky;
    top: 104px;
  }

  .page-faq .scene-pill {
    width: 100%;
    justify-content: flex-start;
  }

  .page-faq .check-grid {
    grid-template-columns: minmax(0, 1fr) .82fr;
    gap: 52px;
  }

  .page-faq .check-media {
    position: sticky;
    top: 104px;
  }

  .page-faq .data-grid {
    grid-template-columns: minmax(0, 1.1fr) minmax(0, .9fr);
    gap: 48px;
  }

  .page-faq .data-facts {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .page-faq .data-facts li {
    padding: 24px 20px;
  }

  .page-faq .data-facts .num {
    font-size: 28px;
  }

  .page-faq .support-grid {
    grid-template-columns: minmax(0, 1.15fr) minmax(0, .85fr);
    gap: 52px;
  }

  .page-faq .matrix-media {
    margin-bottom: 30px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-faq .scene-pill,
  .page-faq .fix-item,
  .page-faq .breadcrumb a {
    transition: none;
  }
}