.page-faq {
  --faq-line: 1px solid var(--paper);
  background: var(--warm);
  color: var(--ink);
  font-family: var(--font-body);
  line-height: 1.75;
  overflow-x: clip;
}

.page-faq .mono {
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  letter-spacing: 0.08em;
}

/* ---------- 顶部深色区 ---------- */
.page-faq .faq-top {
  position: relative;
  background:
    radial-gradient(130% 110% at 86% -10%, rgba(31, 122, 77, 0.6), transparent 58%),
    var(--night);
  color: var(--warm);
  padding: clamp(24px, 4.5vw, 50px) 0 clamp(30px, 5vw, 56px);
}

.page-faq .faq-top::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  height: var(--line);
  background: repeating-linear-gradient(
    90deg,
    var(--siren) 0 30px,
    rgba(255, 198, 26, 0.18) 30px 60px
  );
}

.page-faq .crumbs {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  margin-bottom: 20px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.08em;
  color: rgba(246, 243, 236, 0.6);
}

.page-faq .crumbs a {
  color: var(--siren);
  text-decoration: none;
}

.page-faq .crumbs a:hover {
  text-decoration: underline;
}

.page-faq .faq-hero {
  display: grid;
  gap: clamp(20px, 3vw, 40px);
}

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

.page-faq .faq-hero .eyebrow {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.14em;
  color: var(--siren);
}

.page-faq .faq-hero h1 {
  margin: 12px 0 16px;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(27px, 5.2vw, 52px);
  line-height: 1.06;
  letter-spacing: -0.01em;
  color: #ffffff;
}

.page-faq .faq-hero .lede {
  margin: 0;
  max-width: 40em;
  font-size: clamp(15.5px, 1.6vw, 17px);
  color: rgba(246, 243, 236, 0.84);
}

.page-faq .faq-hero__stats {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1px;
  margin: 0;
  background: rgba(246, 243, 236, 0.16);
  border: 1px solid rgba(246, 243, 236, 0.16);
  border-radius: var(--r-md);
  overflow: hidden;
}

.page-faq .faq-hero__stats > div {
  background: var(--night-2);
  padding: 14px 12px;
  min-width: 0;
}

.page-faq .faq-hero__stats dt {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.08em;
  color: rgba(246, 243, 236, 0.58);
}

.page-faq .faq-hero__stats dd {
  margin: 6px 0 0;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(18px, 2.4vw, 24px);
  line-height: 1.2;
  color: var(--siren);
  font-variant-numeric: tabular-nums;
}

/* ---------- 快速入口条 ---------- */
.page-faq .faq-quick {
  padding: clamp(26px, 4vw, 44px) 0 4px;
}

.page-faq .faq-quick__cap {
  margin: 0 0 14px;
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 500;
  letter-spacing: 0.14em;
  color: var(--cool);
}

.page-faq .quick-strip {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1px;
  background: var(--paper);
  border: 1px solid var(--paper);
  border-radius: var(--r-md);
  overflow: hidden;
}

.page-faq .quick-strip > li {
  display: flex;
  min-width: 0;
}

.page-faq .quick-cell {
  display: flex;
  flex-direction: column;
  gap: 10px;
  justify-content: space-between;
  width: 100%;
  min-height: 108px;
  padding: 15px 14px;
  background: var(--warm);
  color: var(--ink);
  text-decoration: none;
  transition: background 0.16s ease, color 0.16s ease;
}

.page-faq .quick-cell__n {
  font-size: 12px;
  color: var(--pitch);
}

.page-faq .quick-cell__t {
  font-size: 14.5px;
  font-weight: 600;
  line-height: 1.5;
}

.page-faq .quick-cell:hover,
.page-faq .quick-cell:focus-visible {
  background: var(--night);
  color: var(--warm);
}

.page-faq .quick-cell:hover .quick-cell__n,
.page-faq .quick-cell:focus-visible .quick-cell__n {
  color: var(--siren);
}

.page-faq .quick-cell--pin {
  background: var(--mint);
  box-shadow: inset 0 3px 0 var(--siren);
}

/* ---------- 主体两栏 ---------- */
.page-faq .faq-body {
  display: grid;
  gap: clamp(22px, 3.2vw, 44px);
  padding: clamp(22px, 3.4vw, 40px) 0 clamp(48px, 7vw, 88px);
  align-items: start;
}

.page-faq .faq-toc {
  border-top: 3px solid var(--pitch);
  padding-top: 14px;
  min-width: 0;
}

.page-faq .faq-toc .toc__title {
  margin: 0 0 10px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.14em;
  color: var(--cool);
}

.page-faq .toc-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  gap: 6px;
  overflow-x: auto;
  scrollbar-width: thin;
  padding-bottom: 6px;
}

.page-faq .toc-list > li {
  flex: 0 0 auto;
  min-width: 0;
}

.page-faq .toc-link {
  display: flex;
  align-items: baseline;
  gap: 8px;
  white-space: nowrap;
  padding: 8px 12px;
  border-bottom: 3px solid transparent;
  border-radius: var(--r-sm) var(--r-sm) 0 0;
  background: var(--paper);
  color: var(--cool);
  font-size: 13.5px;
  line-height: 1.5;
  text-decoration: none;
  transition: color 0.16s ease, background 0.16s ease;
}

.page-faq .toc-link .mono {
  font-size: 11px;
  color: var(--pitch);
}

.page-faq .toc-link:hover {
  color: var(--ink);
  background: var(--mint);
}

.page-faq .toc-link[aria-current="true"] {
  border-bottom-color: var(--siren);
  background: linear-gradient(180deg, rgba(255, 198, 26, 0.24), rgba(255, 198, 26, 0.06));
  color: var(--ink);
  font-weight: 600;
}

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

/* ---------- 章节骨架 ---------- */
.page-faq .faq-sec {
  padding: clamp(26px, 4vw, 40px) 0;
  border-top: var(--faq-line);
  scroll-margin-top: 24px;
}

.page-faq .faq-content > .faq-sec:first-child {
  border-top: 0;
  padding-top: 0;
}

.page-faq .faq-sec__head {
  display: grid;
  grid-template-columns: 46px minmax(0, 1fr);
  gap: 12px;
  align-items: start;
  margin-bottom: 14px;
}

.page-faq .faq-sec__num {
  display: block;
  margin-top: 5px;
  padding: 3px 0;
  border-radius: 999px;
  background: var(--night);
  color: var(--siren);
  font-size: 11px;
  text-align: center;
  line-height: 1.5;
}

.page-faq .faq-sec__head h2 {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(20px, 3vw, 29px);
  line-height: 1.22;
  letter-spacing: -0.01em;
}

.page-faq .faq-sec > p {
  margin: 0 0 16px;
  max-width: 40em;
  font-size: 15.5px;
}

/* ---------- 换场时间线 ---------- */
.page-faq .shift-line {
  list-style: none;
  margin: 0 0 20px;
  padding: 0;
  display: grid;
  gap: 2px;
}

.page-faq .shift-line > li {
  display: grid;
  gap: 2px 16px;
  padding: 12px 14px;
  background: var(--paper);
  border-left: 3px solid var(--pitch);
  border-radius: 0 var(--r-sm) var(--r-sm) 0;
}

.page-faq .shift-line .mono {
  font-size: 13px;
  font-weight: 700;
  color: var(--pitch);
}

.page-faq .shift-line strong {
  font-size: 15px;
  font-family: var(--font-display);
}

.page-faq .shift-line span:last-child {
  font-size: 14px;
  color: var(--cool);
}

/* ---------- 图片 ---------- */
.page-faq .faq-fig {
  margin: 0 0 20px;
}

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

.page-faq .faq-fig figcaption {
  margin-top: 8px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.04em;
  color: var(--cool);
  line-height: 1.6;
}

/* ---------- 要点列表 ---------- */
.page-faq .bullets {
  list-style: none;
  margin: 0 0 16px;
  padding: 0;
  display: grid;
  gap: 10px;
}

.page-faq .bullets > li {
  position: relative;
  padding-left: 20px;
  font-size: 15px;
  max-width: 42em;
}

.page-faq .bullets > li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.72em;
  width: 9px;
  height: 2px;
  background: var(--siren);
}

/* ---------- 五步流程 ---------- */
.page-faq .flow {
  list-style: none;
  margin: 0 0 20px;
  padding: 0;
  display: grid;
  gap: 10px;
}

.page-faq .flow__item {
  display: grid;
  grid-template-columns: 38px minmax(0, 1fr);
  gap: 14px;
  padding: 15px 16px;
  background: var(--paper);
  border-radius: var(--r-md);
}

.page-faq .flow__num {
  display: grid;
  place-items: center;
  width: 34px;
  height: 34px;
  border-radius: 999px;
  background: var(--siren);
  color: var(--night);
  font-family: var(--font-mono);
  font-size: 13px;
  font-weight: 700;
  font-variant-numeric: tabular-nums;
}

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

.page-faq .flow__body h3 {
  margin: 0 0 6px;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 16.5px;
}

.page-faq .flow__body p {
  margin: 0 0 8px;
  font-size: 15px;
}

.page-faq .flow__trap {
  display: flex;
  gap: 8px;
  font-size: 13.5px;
  color: var(--cool);
}

.page-faq .flow__trap b {
  flex: 0 0 auto;
  font-family: var(--font-mono);
  font-weight: 500;
  letter-spacing: 0.06em;
  color: var(--flare);
}

/* ---------- 分类标签与问答 ---------- */
.page-faq .cat-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 0 0 20px;
}

.page-faq .cat-tags a {
  padding: 6px 14px;
  border: 1px solid var(--pitch);
  border-radius: 999px;
  background: var(--mint);
  color: var(--pitch);
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: 0.05em;
  text-decoration: none;
  transition: background 0.15s ease, color 0.15s ease;
}

.page-faq .cat-tags a:hover,
.page-faq .cat-tags a:focus-visible {
  background: var(--pitch);
  color: var(--warm);
}

.page-faq .faq-group {
  margin-bottom: 22px;
  scroll-margin-top: 20px;
}

.page-faq .faq-group h3 {
  display: flex;
  align-items: center;
  gap: 10px;
  margin: 0 0 4px;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 17px;
}

.page-faq .faq-group h3::before {
  content: "";
  flex: 0 0 auto;
  width: 18px;
  height: 3px;
  border-radius: 2px;
  background: var(--pitch);
}

.page-faq .fold {
  border-top: var(--faq-line);
  background: transparent;
  padding: 0;
  border-radius: 0;
}

.page-faq .fold > summary {
  display: grid;
  grid-template-columns: 34px minmax(0, 1fr) 18px;
  gap: 12px;
  align-items: baseline;
  list-style: none;
  cursor: pointer;
  padding: 14px 6px;
  font-size: 15.5px;
  line-height: 1.6;
  color: var(--ink);
  transition: background 0.15s ease;
}

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

.page-faq .fold > summary:hover,
.page-faq .fold > summary:focus-visible {
  background: var(--mint);
}

.page-faq .qa-num {
  font-size: 12px;
  color: var(--cool);
}

.page-faq .fold[open] .qa-num {
  color: var(--flare);
}

.page-faq .fold__mark {
  position: relative;
  align-self: center;
  justify-self: end;
  width: 14px;
  height: 14px;
}

.page-faq .fold__mark::before,
.page-faq .fold__mark::after {
  content: "";
  position: absolute;
  left: 0;
  top: 6px;
  width: 14px;
  height: 2px;
  background: var(--pitch);
  transition: transform 0.18s ease, opacity 0.18s ease;
}

.page-faq .fold__mark::after {
  transform: rotate(90deg);
}

.page-faq .fold[open] .fold__mark::after {
  transform: rotate(0deg);
  opacity: 0;
}

.page-faq .fold__body {
  padding: 0 6px 18px 52px;
  font-size: 15px;
  color: #2b333d;
}

.page-faq .fold__body p {
  margin: 0 0 8px;
  max-width: 42em;
}

.page-faq .fold__body p:last-child {
  margin-bottom: 0;
}

/* ---------- 自查清单 ---------- */
.page-faq .selfcheck {
  list-style: none;
  counter-reset: faqcheck;
  margin: 0;
  padding: 0;
}

.page-faq .selfcheck > li {
  display: grid;
  grid-template-columns: 42px minmax(0, 1fr);
  gap: 12px;
  padding: 14px 0;
  border-bottom: 1px dashed var(--paper);
}

.page-faq .selfcheck > li:last-child {
  border-bottom: 0;
}

.page-faq .selfcheck > li::before {
  counter-increment: faqcheck;
  content: counter(faqcheck, decimal-leading-zero);
  padding-top: 3px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.1em;
  color: var(--pitch);
  font-variant-numeric: tabular-nums;
}

.page-faq .selfcheck h3 {
  margin: 0 0 4px;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 16px;
}

.page-faq .selfcheck p {
  margin: 0;
  font-size: 15px;
  max-width: 42em;
}

/* ---------- 权限卡片 ---------- */
.page-faq .perm-grid {
  display: grid;
  gap: 10px;
  margin-top: 4px;
}

.page-faq .perm-card {
  padding: 16px 18px;
  border-left: 3px solid var(--siren);
  border-radius: var(--r-md);
  background: var(--night-2);
  color: rgba(246, 243, 236, 0.88);
  font-size: 14.5px;
  line-height: 1.72;
}

.page-faq .perm-card p {
  margin: 0;
}

.page-faq .perm-card__k {
  margin: 0 0 8px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.12em;
  color: var(--siren);
}

/* ---------- 联系区块 ---------- */
.page-faq .solve__line {
  margin: 0 0 8px;
  font-size: 15px;
  word-break: break-word;
}

.page-faq .solve__line .mono {
  color: var(--pitch);
  font-weight: 700;
}

.page-faq .faq-sec .note {
  margin: 0 0 18px;
  max-width: 42em;
  font-size: 14px;
  color: var(--cool);
}

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

/* ---------- 响应式 ---------- */
@media (min-width: 620px) {
  .page-faq .shift-line > li {
    grid-template-columns: 72px minmax(0, 0.9fr) minmax(0, 1.3fr);
    align-items: baseline;
  }

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

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

@media (min-width: 900px) {
  .page-faq .faq-hero {
    grid-template-columns: minmax(0, 1.45fr) minmax(0, 0.55fr);
    align-items: end;
  }
}

@media (min-width: 1000px) {
  .page-faq .faq-body {
    grid-template-columns: 232px minmax(0, 1fr);
  }

  .page-faq .faq-toc {
    position: sticky;
    top: 28px;
  }

  .page-faq .toc-list {
    display: grid;
    gap: 2px;
    overflow: visible;
    padding-bottom: 0;
  }

  .page-faq .toc-list > li {
    flex: initial;
  }

  .page-faq .toc-link {
    white-space: normal;
    padding: 9px 10px 9px 12px;
    border-bottom: 0;
    border-left: 3px solid transparent;
    border-radius: 0 var(--r-sm) var(--r-sm) 0;
    background: transparent;
    font-size: 14px;
  }

  .page-faq .toc-link[aria-current="true"] {
    border-left-color: var(--siren);
    background: linear-gradient(90deg, rgba(255, 198, 26, 0.22), rgba(255, 198, 26, 0) 80%);
  }
}

@media (min-width: 1040px) {
  .page-faq .quick-strip {
    grid-template-columns: repeat(6, minmax(0, 1fr));
  }
}

@media (max-width: 560px) {
  .page-faq .fold > summary {
    grid-template-columns: minmax(0, 1fr) 18px;
    row-gap: 2px;
    padding: 13px 4px;
  }

  .page-faq .fold > summary .qa-num {
    grid-column: 1;
    grid-row: 1;
  }

  .page-faq .fold > summary .qa-q {
    grid-column: 1;
    grid-row: 2;
  }

  .page-faq .fold > summary .fold__mark {
    grid-column: 2;
    grid-row: 1 / span 2;
  }

  .page-faq .fold__body {
    padding-left: 4px;
    padding-right: 4px;
  }

  .page-faq .faq-sec__head {
    grid-template-columns: 40px minmax(0, 1fr);
    gap: 10px;
  }

  .page-faq .quick-cell {
    min-height: 96px;
    padding: 13px 12px;
  }
}