.page-faq {
  --faq-line: var(--line-700);
  background: var(--ink-900);
  color: var(--mist-100);
  font-family: var(--font-body);
  overflow-x: hidden;
}

.page-faq *,
.page-faq *::before,
.page-faq *::after {
  box-sizing: border-box;
}

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

.page-faq .crumbs {
  padding-top: 26px;
}

.page-faq .crumbs__list {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.14em;
  color: var(--mist-600);
}

/* ---------- 首屏 ---------- */

.page-faq .faq-hero {
  position: relative;
  padding-bottom: 48px;
  border-bottom: 1px solid var(--faq-line);
  overflow: hidden;
}

.page-faq .faq-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(to right, rgba(34, 48, 63, 0.55) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(34, 48, 63, 0.55) 1px, transparent 1px);
  background-size: 72px 72px;
  -webkit-mask-image: radial-gradient(120% 90% at 18% 0%, #000 8%, transparent 72%);
  mask-image: radial-gradient(120% 90% at 18% 0%, #000 8%, transparent 72%);
  pointer-events: none;
}

.page-faq .faq-hero > .shell {
  position: relative;
  z-index: 1;
}

.page-faq .faq-hero__grid {
  display: grid;
  gap: 32px;
  padding-top: 28px;
}

.page-faq .faq-hero__eyebrow,
.page-faq .faq-hero .eyebrow {
  margin: 0;
}

.page-faq .faq-hero h1 {
  margin: 12px 0 0;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(32px, 6.2vw, 62px);
  line-height: 1.04;
  letter-spacing: 0.01em;
  color: var(--white);
}

.page-faq .faq-hero__lede {
  margin: 20px 0 0;
  max-width: 34em;
  font-size: 16px;
  line-height: 1.78;
  color: var(--mist-100);
}

.page-faq .faq-hero__chips {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 24px;
}

.page-faq .faq-hero__panel {
  border: 1px solid var(--faq-line);
  border-left: 3px solid var(--lime-400);
  background: var(--ink-800);
  padding: 18px 20px 20px;
}

.page-faq .faq-hero__panel-title {
  margin: 0 0 10px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--mist-600);
}

.page-faq .faq-hero__panel-list {
  margin: 0;
}

.page-faq .faq-hero__panel-row {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  gap: 12px;
  margin: 0;
  padding: 9px 0;
  border-top: 1px solid rgba(34, 48, 63, 0.85);
}

.page-faq .faq-hero__panel-row:first-child {
  border-top: 1px solid transparent;
  padding-top: 2px;
}

.page-faq .faq-hero__panel-row dt {
  font-size: 13px;
  color: var(--mist-600);
}

.page-faq .faq-hero__panel-row dd {
  margin: 0;
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  font-size: 13px;
  color: var(--lime-400);
  white-space: nowrap;
}

@media (min-width: 1024px) {
  .page-faq .faq-hero {
    padding-bottom: 60px;
  }
  .page-faq .faq-hero__grid {
    grid-template-columns: minmax(0, 7fr) minmax(0, 4fr);
    gap: 52px;
    align-items: end;
    padding-top: 36px;
  }
  .page-faq .faq-hero__lede {
    font-size: 17px;
  }
}

/* ---------- 上手三步 ---------- */

.page-faq .faq-steps {
  background: var(--ink-800);
  border-bottom: 1px solid var(--faq-line);
  padding: 44px 0 48px;
}

.page-faq .faq-steps > .shell > .eyebrow {
  margin: 0;
}

.page-faq .faq-steps h2 {
  margin: 10px 0 28px;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(24px, 3.4vw, 34px);
  line-height: 1.16;
  color: var(--white);
}

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

.page-faq .faq-step {
  position: relative;
  border: 1px solid var(--faq-line);
  background: linear-gradient(180deg, rgba(43, 91, 255, 0.1), transparent 62%);
  padding: 30px 20px 22px;
  transition: border-color var(--dur) var(--ease), transform var(--dur) var(--ease);
}

.page-faq .faq-step:hover {
  border-color: var(--lime-400);
  transform: translateY(-2px);
}

.page-faq .faq-step__num {
  position: absolute;
  top: 0;
  left: 0;
  padding: 3px 9px;
  background: var(--lime-400);
  color: var(--ink-900);
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.14em;
}

.page-faq .faq-step__title {
  margin: 6px 0 10px;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: 20px;
  line-height: 1.25;
  color: var(--white);
}

.page-faq .faq-step__text {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.75;
  color: var(--mist-100);
}

.page-faq .faq-figure {
  margin: 20px 0 0;
  padding: 10px;
  border: 1px solid var(--faq-line);
  background: var(--ink-900);
}

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

.page-faq .faq-figure__caption {
  padding: 10px 4px 2px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.1em;
  color: var(--mist-600);
}

@media (min-width: 760px) {
  .page-faq .faq-steps__grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

@media (min-width: 1024px) {
  .page-faq .faq-steps {
    padding: 52px 0 58px;
  }
  .page-faq .faq-figure {
    margin-top: 26px;
  }
}

/* ---------- 目录 + 正文 ---------- */

.page-faq .faq-body {
  padding: 40px 0 56px;
}

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

.page-faq .faq-toc {
  border-top: 2px solid var(--lime-400);
  padding-top: 12px;
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
}

.page-faq .faq-toc__label {
  margin: 0 0 8px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--mist-600);
  white-space: nowrap;
}

.page-faq .faq-toc__list {
  display: flex;
  flex-wrap: nowrap;
  gap: 8px;
  margin: 0;
  padding: 0 0 4px;
  list-style: none;
}

.page-faq .faq-toc__list li {
  flex: 0 0 auto;
}

.page-faq .faq-toc__list a {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 7px 10px;
  border: 1px solid var(--faq-line);
  font-size: 13px;
  color: var(--mist-100);
  text-decoration: none;
  white-space: nowrap;
  transition: color var(--dur) var(--ease), border-color var(--dur) var(--ease), background var(--dur) var(--ease);
}

.page-faq .faq-toc__list a:hover,
.page-faq .faq-toc__list a:focus-visible {
  color: var(--white);
  border-color: var(--lime-400);
  background: rgba(184, 255, 61, 0.07);
  outline: none;
}

.page-faq .faq-toc__list span {
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.1em;
  color: var(--lime-400);
}

/* ---------- 章节 ---------- */

.page-faq .faq-sec + .faq-sec {
  margin-top: 52px;
  padding-top: 40px;
  border-top: 1px solid rgba(34, 48, 63, 0.6);
}

.page-faq .faq-sec__head {
  display: flex;
  align-items: baseline;
  gap: 14px;
  padding-bottom: 12px;
  border-bottom: 1px solid var(--faq-line);
}

.page-faq .faq-sec__num {
  flex: 0 0 auto;
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: 0.16em;
  color: var(--lime-400);
}

.page-faq .faq-sec__title {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(20px, 3vw, 28px);
  line-height: 1.22;
  color: var(--white);
}

.page-faq .faq-sec__lead {
  margin: 16px 0 0;
  max-width: 40em;
  font-size: 15px;
  line-height: 1.8;
  color: var(--mist-100);
}

/* ---------- 时间轴 ---------- */

.page-faq .faq-timeline {
  margin: 24px 0 0;
  padding: 0;
  list-style: none;
  border-left: 1px solid var(--faq-line);
}

.page-faq .faq-timeline__row {
  position: relative;
  display: grid;
  gap: 4px;
  padding: 0 0 20px 20px;
}

.page-faq .faq-timeline__row:last-child {
  padding-bottom: 4px;
}

.page-faq .faq-timeline__row::before {
  content: "";
  position: absolute;
  left: -4px;
  top: 6px;
  width: 7px;
  height: 7px;
  background: var(--lime-400);
}

.page-faq .faq-timeline__key {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.14em;
  color: var(--blue-300);
}

.page-faq .faq-timeline__val {
  font-size: 14.5px;
  line-height: 1.75;
  color: var(--mist-100);
}

@media (min-width: 700px) {
  .page-faq .faq-timeline__row {
    grid-template-columns: 148px minmax(0, 1fr);
    gap: 18px;
    align-items: baseline;
  }
  .page-faq .faq-timeline__key {
    padding-top: 3px;
  }
}

/* ---------- 问答折叠 ---------- */

.page-faq .faq-qlist {
  margin-top: 22px;
  border-top: 1px solid var(--faq-line);
}

.page-faq .faq-q {
  border-bottom: 1px solid var(--faq-line);
}

.page-faq .faq-q > summary {
  display: flex;
  align-items: baseline;
  gap: 12px;
  padding: 15px 2px 15px 0;
  list-style: none;
  cursor: pointer;
  font-size: 15px;
  font-weight: 500;
  line-height: 1.6;
  color: var(--white);
  transition: color var(--dur) var(--ease);
}

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

.page-faq .faq-q > summary::after {
  content: "+";
  margin-left: auto;
  flex: 0 0 auto;
  font-family: var(--font-mono);
  font-size: 16px;
  line-height: 1;
  color: var(--mist-600);
}

.page-faq .faq-q > summary:hover {
  color: var(--lime-400);
}

.page-faq .faq-q > summary:focus-visible {
  outline: 2px solid var(--orange-400);
  outline-offset: 2px;
}

.page-faq .faq-q[open] > summary {
  color: var(--lime-400);
}

.page-faq .faq-q[open] > summary::after {
  content: "−";
  color: var(--lime-400);
}

.page-faq .faq-q__num {
  flex: 0 0 auto;
  padding: 1px 6px;
  border: 1px solid var(--line-700);
  font-family: var(--font-mono);
  font-size: 10.5px;
  letter-spacing: 0.12em;
  color: var(--mist-600);
}

.page-faq .faq-q[open] .faq-q__num {
  background: var(--lime-400);
  border-color: var(--lime-400);
  color: var(--ink-900);
}

.page-faq .faq-q p {
  margin: 0 0 18px;
  max-width: 42em;
  font-size: 14.5px;
  line-height: 1.82;
  color: var(--mist-100);
}

/* ---------- 表格 ---------- */

.page-faq .faq-scroll {
  margin-top: 24px;
  overflow-x: auto;
  border: 1px solid var(--faq-line);
  background: var(--ink-900);
}

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

.page-faq .faq-table caption {
  caption-side: top;
  text-align: left;
  padding: 13px 16px;
  background: var(--ink-800);
  border-bottom: 1px solid var(--faq-line);
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.16em;
  color: var(--mist-600);
}

.page-faq .faq-table th,
.page-faq .faq-table td {
  padding: 14px 16px;
  text-align: left;
  vertical-align: top;
  line-height: 1.7;
  border-bottom: 1px solid rgba(34, 48, 63, 0.75);
}

.page-faq .faq-table thead th {
  background: var(--ink-800);
  color: var(--white);
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 500;
  letter-spacing: 0.14em;
  white-space: nowrap;
}

.page-faq .faq-table tbody th {
  color: var(--white);
  font-weight: 700;
  white-space: nowrap;
}

.page-faq .faq-table tbody td {
  color: var(--mist-100);
}

.page-faq .faq-table tbody tr:hover th,
.page-faq .faq-table tbody tr:hover td {
  background: rgba(43, 91, 255, 0.08);
}

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

.page-faq .faq-table__num {
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  color: var(--lime-400);
  white-space: nowrap;
}

.page-faq .faq-table--fmt thead th {
  white-space: normal;
}

.page-faq .faq-table--fmt thead th .chip {
  margin-right: 6px;
  vertical-align: middle;
}

.page-faq .faq-note {
  margin: 12px 0 0;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.08em;
  color: var(--mist-600);
}

/* ---------- 联系区块 ---------- */

.page-faq .faq-contact {
  padding: 52px 0 60px;
  border-top: 1px solid var(--faq-line);
  color: var(--mist-100);
}

.page-faq .faq-contact__grid {
  display: grid;
  gap: 30px;
}

.page-faq .faq-contact .eyebrow {
  margin: 0;
}

.page-faq .faq-contact h2 {
  margin: 10px 0 16px;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(24px, 3.8vw, 38px);
  line-height: 1.16;
  color: var(--white);
}

.page-faq .faq-contact p {
  margin: 0;
  max-width: 34em;
  font-size: 15px;
  line-height: 1.8;
}

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

.page-faq .faq-contact__list li {
  display: grid;
  gap: 4px;
  padding: 14px 0;
  border-top: 1px solid rgba(184, 255, 61, 0.18);
}

.page-faq .faq-contact__list li:first-child {
  border-top: 0;
  padding-top: 0;
}

.page-faq .faq-contact__list span {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.14em;
  color: var(--lime-400);
}

.page-faq .faq-contact__list strong {
  font-family: var(--font-mono);
  font-size: 15px;
  font-weight: 500;
  color: var(--white);
  word-break: break-all;
}

.page-faq .faq-contact__list em {
  font-style: normal;
  font-size: 15px;
  line-height: 1.7;
  color: var(--mist-100);
}

@media (min-width: 640px) {
  .page-faq .faq-contact__list li {
    grid-template-columns: 118px minmax(0, 1fr);
    gap: 16px;
    align-items: baseline;
  }
}

@media (min-width: 900px) {
  .page-faq .faq-contact {
    padding: 64px 0 74px;
  }
  .page-faq .faq-contact__grid {
    grid-template-columns: minmax(0, 5fr) minmax(0, 7fr);
    gap: 56px;
    align-items: start;
  }
}

@media (min-width: 1000px) {
  .page-faq .faq-body {
    padding: 56px 0 72px;
  }
  .page-faq .faq-body__grid {
    grid-template-columns: 208px minmax(0, 1fr);
    gap: 56px;
    align-items: start;
  }
  .page-faq .faq-toc {
    position: sticky;
    top: calc(var(--h-header-tight) + 20px);
    overflow-x: visible;
    border-top: 2px solid var(--lime-400);
  }
  .page-faq .faq-toc__list {
    display: block;
    padding-bottom: 0;
  }
  .page-faq .faq-toc__list li {
    flex: none;
  }
  .page-faq .faq-toc__list a {
    border: 0;
    border-left: 2px solid transparent;
    padding: 8px 8px 8px 12px;
    font-size: 14px;
    white-space: normal;
  }
  .page-faq .faq-toc__list a:hover,
  .page-faq .faq-toc__list a:focus-visible {
    border-left-color: var(--lime-400);
    background: rgba(184, 255, 61, 0.06);
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-faq .faq-step,
  .page-faq .faq-toc__list a,
  .page-faq .faq-q > summary {
    transition: none;
  }
  .page-faq .faq-step:hover {
    transform: none;
  }
}
<<<END>>>