.page-faq {
  padding-top: var(--sn-status-h);
  background:
    radial-gradient(1000px 480px at 92% -8%, var(--sn-flame-veil), transparent 60%),
    radial-gradient(880px 460px at -8% 10%, var(--sn-cyan-veil), transparent 58%),
    var(--sn-black);
  color: var(--sn-mist);
  font-family: var(--sn-font-body);
  line-height: 1.8;
  overflow-x: hidden;
}

@media (min-width: 1024px) {
  .page-faq {
    margin-left: var(--sn-rail-w);
  }
}

.page-faq .faq-wrap {
  width: 100%;
  max-width: var(--sn-max);
  margin-inline: auto;
  padding-inline: var(--sn-gutter);
}

/* 面包屑 */
.page-faq .faq-crumb {
  display: flex;
  align-items: center;
  gap: 8px;
  padding-top: 26px;
  padding-bottom: 2px;
  font-family: var(--sn-font-mono);
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--sn-cold);
}

.page-faq .faq-crumb a {
  color: var(--sn-cold);
  text-decoration: none;
  transition: color 0.18s ease;
}

.page-faq .faq-crumb a:hover,
.page-faq .faq-crumb a:focus-visible {
  color: var(--sn-cyan);
}

/* 首屏 */
.page-faq .faq-hero {
  position: relative;
  padding-bottom: clamp(28px, 5vw, 52px);
}

.page-faq .faq-hero::after {
  content: "";
  position: absolute;
  right: 0;
  bottom: 0;
  width: 46%;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--sn-flame-line));
  transform: rotate(-1.2deg);
  transform-origin: right center;
}

.page-faq .faq-hero__title {
  margin: 12px 0 18px;
  font-family: var(--sn-font-display);
  font-size: clamp(40px, 9vw, 96px);
  font-weight: 800;
  line-height: 0.98;
  letter-spacing: -0.02em;
  color: var(--sn-mist);
}

.page-faq .faq-hero__lede {
  max-width: 58ch;
  margin: 0 0 26px;
  font-size: clamp(15px, 1.6vw, 18px);
  color: var(--sn-text-soft);
}

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

/* 章节 */
.page-faq .faq-section {
  position: relative;
  padding-block: clamp(44px, 6vw, 80px);
}

.page-faq .faq-section--alt {
  background: linear-gradient(180deg, rgba(11, 21, 38, 0.72), rgba(5, 7, 12, 0));
}

.page-faq .faq-section + .faq-section::before {
  content: "";
  position: absolute;
  top: 0;
  left: var(--sn-gutter);
  right: var(--sn-gutter);
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--sn-cyan-line) 16%, var(--sn-line-strong) 55%, transparent);
  transform: rotate(-0.35deg);
}

.page-faq .faq-head {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: 16px;
  align-items: start;
  margin-bottom: clamp(24px, 3vw, 40px);
}

.page-faq .faq-num {
  padding-top: 4px;
  font-family: var(--sn-font-mono);
  font-size: clamp(34px, 6vw, 64px);
  font-weight: 700;
  line-height: 0.8;
  letter-spacing: -0.03em;
  color: rgba(232, 237, 245, 0.08);
  -webkit-text-stroke: 1px var(--sn-line-strong);
}

.page-faq .faq-title {
  margin: 0 0 8px;
  font-size: clamp(22px, 3.4vw, 34px);
  font-weight: 700;
  line-height: 1.28;
  letter-spacing: -0.01em;
  color: var(--sn-mist);
}

.page-faq .faq-lede {
  max-width: 56ch;
  margin: 0;
  font-size: 15px;
  line-height: 1.75;
  color: var(--sn-cold);
}

/* 图片容器 */
.page-faq .sn-media {
  position: relative;
  overflow: hidden;
  border-radius: var(--sn-r-lg);
  border: 1px solid var(--sn-line);
}

.page-faq .sn-media__img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
}

.page-faq .sn-media__caption {
  font-family: var(--sn-font-mono);
  font-size: 12px;
  letter-spacing: 0.05em;
  color: var(--sn-cold);
}

.page-faq .faq-figure {
  margin: 0 0 clamp(22px, 3vw, 34px);
}

/* 步骤条 */
.page-faq .faq-steps__rail {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 10px;
  margin-bottom: 16px;
}

.page-faq .faq-step {
  appearance: none;
  display: grid;
  gap: 8px;
  padding: 14px 12px 16px;
  text-align: left;
  font-family: inherit;
  color: var(--sn-text-soft);
  background: var(--sn-midnight);
  border: 1px solid var(--sn-line);
  border-radius: var(--sn-r-md);
  cursor: pointer;
  transition: transform 0.18s ease, border-color 0.18s ease, background 0.18s ease;
}

.page-faq .faq-step:hover {
  transform: translateY(-2px);
  border-color: var(--sn-cyan-line);
}

.page-faq .faq-step:focus-visible {
  outline: 2px solid var(--sn-cyan);
  outline-offset: 2px;
}

.page-faq .faq-step__idx {
  font-family: var(--sn-font-mono);
  font-size: 11px;
  letter-spacing: 0.12em;
  color: var(--sn-cold);
}

.page-faq .faq-step__label {
  font-size: 15px;
  font-weight: 700;
  color: var(--sn-mist);
}

.page-faq .faq-step[aria-selected="true"] {
  background: var(--sn-cyan-veil);
  border-color: var(--sn-cyan);
}

.page-faq .faq-step[aria-selected="true"] .faq-step__idx {
  color: var(--sn-cyan);
}

.page-faq .faq-steps__panel {
  padding: 16px 18px;
  font-size: 15px;
  color: var(--sn-text-soft);
  background: var(--sn-cyan-veil);
  border: 1px solid var(--sn-cyan-line);
  border-left: 3px solid var(--sn-cyan);
  border-radius: 0 var(--sn-r-md) var(--sn-r-md) 0;
}

.page-faq .faq-steps__panel[hidden] {
  display: none;
}

.page-faq .faq-steps__panel + .faq-steps__panel {
  margin-top: 10px;
}

.page-faq .faq-steps__panel a {
  color: var(--sn-cyan);
  text-decoration: underline;
  text-underline-offset: 3px;
}

/* 人群网格 */
.page-faq .faq-crowd {
  display: grid;
  gap: 26px;
}

.page-faq .faq-crowd__list {
  display: grid;
  gap: 14px;
}

.page-faq .faq-crowd__card {
  display: block;
  padding: 20px;
  color: inherit;
  text-decoration: none;
  background: linear-gradient(180deg, var(--sn-midnight), rgba(11, 21, 38, 0.4));
  border: 1px solid var(--sn-line);
  border-radius: var(--sn-r-md);
  transition: transform 0.2s ease, border-color 0.2s ease, box-shadow 0.2s ease;
}

.page-faq .faq-crowd__card:hover,
.page-faq .faq-crowd__card:focus-visible {
  transform: translateY(-4px);
  border-color: var(--sn-cyan);
  box-shadow: 0 14px 34px rgba(0, 0, 0, 0.5);
  outline: none;
}

.page-faq .faq-crowd__card:focus-visible {
  outline: 2px solid var(--sn-cyan);
  outline-offset: 2px;
}

.page-faq .faq-crowd__title {
  margin: 12px 0 8px;
  font-size: 17px;
  font-weight: 700;
  line-height: 1.4;
  color: var(--sn-mist);
}

.page-faq .faq-crowd__desc {
  margin: 0 0 14px;
  font-size: 14px;
  line-height: 1.75;
  color: var(--sn-text-soft);
}

.page-faq .faq-crowd__go {
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--sn-cyan);
}

.page-faq .faq-crowd__aside {
  margin: 0;
}

/* 双栏结构 */
.page-faq .faq-split {
  display: grid;
  gap: 24px;
}

/* 要点列表 */
.page-faq .faq-ops {
  display: grid;
  gap: 12px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-faq .faq-ops > li {
  position: relative;
  padding-left: 20px;
  font-size: 15px;
  line-height: 1.78;
  color: var(--sn-text-soft);
}

.page-faq .faq-ops > li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.82em;
  width: 10px;
  height: 2px;
  background: var(--sn-cyan);
}

.page-faq .faq-ops > li strong {
  color: var(--sn-mist);
  font-weight: 700;
}

.page-faq .faq-ops--sm {
  gap: 10px;
}

.page-faq .faq-ops--sm > li {
  font-size: 14px;
}

/* 侧栏说明块 */
.page-faq .faq-note {
  padding: 22px;
  background: linear-gradient(160deg, var(--sn-midnight), rgba(11, 21, 38, 0.35));
  border: 1px solid var(--sn-line);
  border-radius: var(--sn-r-lg);
}

.page-faq .faq-note--gold {
  background: linear-gradient(160deg, var(--sn-gold-veil), rgba(11, 21, 38, 0.4));
  border-color: rgba(245, 197, 66, 0.32);
}

.page-faq .faq-note__k {
  margin: 0 0 8px;
  font-size: 11px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--sn-cold);
}

.page-faq .faq-note__v {
  margin: 0 0 10px;
  font-family: var(--sn-font-display);
  font-size: clamp(24px, 3.4vw, 30px);
  font-weight: 700;
  line-height: 1.12;
  color: var(--sn-mist);
}

.page-faq .faq-note__v strong {
  color: var(--sn-cyan);
  font-weight: 800;
}

.page-faq .faq-note--gold .faq-note__v strong {
  color: var(--sn-gold);
}

.page-faq .faq-note__d {
  margin: 0 0 16px;
  font-size: 14px;
  line-height: 1.75;
  color: var(--sn-cold);
}

/* 表格 */
.page-faq .faq-tableWrap {
  margin-bottom: 24px;
  border: 1px solid var(--sn-line);
  border-radius: var(--sn-r-md);
  overflow-x: auto;
}

.page-faq .faq-table {
  width: 100%;
  min-width: 620px;
  border-collapse: collapse;
  font-size: 14px;
}

.page-faq .faq-table th,
.page-faq .faq-table td {
  padding: 13px 16px;
  text-align: left;
  vertical-align: top;
  border-bottom: 1px solid var(--sn-line);
}

.page-faq .faq-table th {
  font-family: var(--sn-font-mono);
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.08em;
  color: var(--sn-cyan);
  background: var(--sn-cyan-veil);
  white-space: nowrap;
}

.page-faq .faq-table td {
  color: var(--sn-text-soft);
  line-height: 1.7;
}

.page-faq .faq-table td:first-child {
  color: var(--sn-gold);
  white-space: nowrap;
}

.page-faq .faq-table tbody tr:last-child td {
  border-bottom: none;
}

.page-faq .faq-table tbody tr:hover {
  background: rgba(43, 232, 192, 0.05);
}

/* 三栏卡片 */
.page-faq .faq-grid-3 {
  display: grid;
  gap: 16px;
}

.page-faq .faq-card {
  display: grid;
  gap: 8px;
  border-color: var(--sn-line);
}

.page-faq .faq-card__k {
  margin: 0;
  font-family: var(--sn-font-mono);
  font-size: 11px;
  letter-spacing: 0.14em;
  color: var(--sn-cyan);
}

.page-faq .faq-card .sn-card__title {
  margin: 0;
  font-size: 18px;
  font-weight: 700;
  color: var(--sn-mist);
}

.page-faq .faq-card .sn-card__body {
  margin: 0;
  font-size: 14px;
  line-height: 1.78;
  color: var(--sn-text-soft);
}

/* 折叠问答 */
.page-faq .faq-qlist {
  display: grid;
  gap: 12px;
}

.page-faq .faq-q {
  background: rgba(11, 21, 38, 0.6);
  border: 1px solid var(--sn-line);
  border-radius: var(--sn-r-md);
  overflow: hidden;
  transition: border-color 0.18s ease, background 0.18s ease;
}

.page-faq .faq-q[open] {
  border-color: var(--sn-cyan-line);
  background: rgba(43, 232, 192, 0.05);
}

.page-faq .faq-q .sn-fold__summary {
  position: relative;
  padding: 16px 48px 16px 18px;
  cursor: pointer;
  font-size: 15px;
  font-weight: 700;
  color: var(--sn-mist);
  list-style: none;
}

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

.page-faq .faq-q .sn-fold__summary::after {
  content: "+";
  position: absolute;
  right: 18px;
  top: 50%;
  transform: translateY(-50%);
  font-family: var(--sn-font-mono);
  font-size: 18px;
  line-height: 1;
  color: var(--sn-cyan);
}

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

.page-faq .faq-q .sn-fold__body {
  padding: 16px 18px 18px;
  border-top: 1px solid var(--sn-line);
  color: var(--sn-text-soft);
}

/* 联系块 */
.page-faq .faq-help {
  display: grid;
  gap: 12px;
  max-width: 760px;
}

.page-faq .faq-help__row {
  display: grid;
  grid-template-columns: 110px minmax(0, 1fr);
  gap: 14px;
  padding: 16px 18px;
  background: rgba(11, 21, 38, 0.55);
  border: 1px solid var(--sn-line);
  border-radius: var(--sn-r-md);
}

.page-faq .faq-help__key {
  font-size: 12px;
  letter-spacing: 0.1em;
  color: var(--sn-cold);
}

.page-faq .faq-help__val {
  font-size: 15px;
  line-height: 1.7;
  color: var(--sn-text-soft);
  word-break: break-word;
}

.page-faq .faq-help__val--strong {
  font-family: var(--sn-font-mono);
  color: var(--sn-cyan);
  word-break: break-all;
}

.page-faq .faq-help__note {
  margin: 18px 0 0;
  font-size: 14px;
  color: var(--sn-cold);
}

.page-faq .faq-help__note a {
  color: var(--sn-mist);
  text-decoration: underline;
  text-underline-offset: 3px;
}

.page-faq .faq-help__note a:hover,
.page-faq .faq-help__note a:focus-visible {
  color: var(--sn-cyan);
}

/* 行动条 */
.page-faq .faq-cta {
  margin: 24px 0 0;
}

/* 响应式 */
@media (min-width: 640px) {
  .page-faq .faq-crowd__list {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (min-width: 780px) {
  .page-faq .faq-grid-3 {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

@media (min-width: 900px) {
  .page-faq .faq-split {
    grid-template-columns: minmax(0, 1.4fr) minmax(0, 1fr);
    align-items: start;
    gap: 34px;
  }
}

@media (min-width: 980px) {
  .page-faq .faq-crowd {
    grid-template-columns: minmax(0, 1.5fr) minmax(0, 1fr);
    align-items: start;
    gap: 34px;
  }

  .page-faq .faq-crowd__aside {
    position: sticky;
    top: calc(var(--sn-status-h) + 28px);
  }
}

@media (max-width: 560px) {
  .page-faq .faq-step {
    padding: 12px 10px 14px;
  }

  .page-faq .faq-step__label {
    font-size: 13px;
  }

  .page-faq .faq-step__idx {
    font-size: 10px;
    letter-spacing: 0.06em;
  }

  .page-faq .faq-help__row {
    grid-template-columns: minmax(0, 1fr);
    gap: 6px;
  }

  .page-faq .faq-hero__actions .sn-btn {
    flex: 1 1 100%;
    justify-content: center;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-faq .faq-step,
  .page-faq .faq-crowd__card,
  .page-faq .faq-q {
    transition: none;
  }
}