.page-faq {
  --faq-rail-w: 176px;
  background: var(--paper-0);
  color: var(--ink-700);
}

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

.page-faq .faq-hero__tex {
  position: absolute;
  inset: 0;
  z-index: 0;
}

.page-faq .faq-hero__tex img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0.2;
  filter: grayscale(1) contrast(1.06);
}

.page-faq .faq-hero__inner {
  position: relative;
  z-index: 1;
  padding-block: 26px 34px;
}

.page-faq .crumbs-wrap {
  margin-bottom: 22px;
}

.page-faq .faq-hero__kicker {
  margin: 0 0 12px;
  color: var(--azure-600);
}

.page-faq h1 {
  margin: 0 0 16px;
  max-width: 17em;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 30px;
  line-height: 1.26;
  letter-spacing: -0.02em;
  color: var(--ink-900);
}

.page-faq .faq-hero__lead {
  max-width: 62ch;
  margin: 0;
  color: var(--ink-700);
}

.page-faq .faq-jump {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 26px 0 0;
  padding: 0;
  list-style: none;
}

.page-faq .faq-jump li {
  margin: 0;
}

.page-faq .faq-jump a {
  display: inline-block;
  padding: 7px 13px;
  border: 1px solid var(--line-strong);
  border-radius: var(--r-pill);
  background: rgba(250, 247, 241, 0.82);
  font-family: var(--font-mono);
  font-size: 12px;
  line-height: 18px;
  color: var(--ink-700);
  text-decoration: none;
  transition: border-color 0.22s var(--ease), color 0.22s var(--ease), background 0.22s var(--ease);
}

.page-faq .faq-jump a:hover,
.page-faq .faq-jump a:focus-visible {
  border-color: var(--azure-600);
  color: var(--azure-600);
  background: var(--azure-100);
}

/* ---------- 外壳 ---------- */
.page-faq .faq-shell {
  padding-block: 34px 58px;
}

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

/* ---------- 左侧路径 ---------- */
.page-faq .faq-rail {
  display: none;
}

.page-faq .faq-rail__cap {
  margin: 0 0 14px;
  color: var(--gray-400);
  letter-spacing: 0.16em;
  text-transform: uppercase;
}

.page-faq .faq-rail__list {
  position: relative;
  display: grid;
  gap: 4px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-faq .faq-rail__list::before {
  content: "";
  position: absolute;
  left: 13px;
  top: 16px;
  bottom: 16px;
  width: 1px;
  background: linear-gradient(180deg, var(--azure-600), var(--gold-500));
  opacity: 0.42;
}

.page-faq .faq-rail__list li {
  margin: 0;
}

.page-faq .faq-rail__list a {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: 28px minmax(0, 1fr);
  gap: 10px;
  align-items: center;
  padding: 5px 0;
  text-decoration: none;
  color: var(--gray-400);
  font-size: 13px;
  line-height: 20px;
  transition: color 0.22s var(--ease);
}

.page-faq .faq-rail__num {
  display: grid;
  place-items: center;
  width: 28px;
  height: 28px;
  border: 1px solid var(--line-strong);
  border-radius: var(--r-pill);
  background: var(--paper-0);
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--ink-700);
  transition: border-color 0.22s var(--ease), color 0.22s var(--ease), background 0.22s var(--ease);
}

.page-faq .faq-rail__list a:hover {
  color: var(--ink-900);
}

.page-faq .faq-rail__list a:hover .faq-rail__num,
.page-faq .faq-rail__list a:focus-visible .faq-rail__num {
  border-color: var(--azure-600);
  color: var(--azure-600);
  background: var(--azure-100);
}

/* ---------- 分组 ---------- */
.page-faq .faq-group {
  padding-block: 32px;
  border-top: 1px solid var(--line);
  scroll-margin-top: 96px;
}

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

.page-faq .faq-group__head {
  max-width: 64ch;
  margin-bottom: 22px;
}

.page-faq .faq-group__head > .sec-num {
  display: block;
  margin: 0 0 10px;
}

.page-faq .faq-group__head h2 {
  margin: 0 0 10px;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 24px;
  line-height: 1.3;
  letter-spacing: -0.02em;
  color: var(--ink-900);
}

.page-faq .faq-group__lead {
  margin: 0;
  font-size: 15px;
  line-height: 1.8;
  color: var(--ink-700);
}

/* ---------- 上手四步 ---------- */
.page-faq .faq-fig {
  margin: 0 0 24px;
  border: 1px solid var(--line);
  border-radius: var(--r-card);
  overflow: hidden;
}

.page-faq .faq-fig img {
  display: block;
  width: 100%;
  height: auto;
}

.page-faq .faq-steps {
  display: grid;
  gap: 12px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-faq .faq-step {
  position: relative;
  overflow: hidden;
  padding: 18px 18px 18px 22px;
  border: 1px solid rgba(27, 79, 160, 0.22);
  border-radius: var(--r-card);
  background: var(--sand-100);
}

.page-faq .faq-step::before {
  content: "";
  position: absolute;
  left: 0;
  top: 16px;
  bottom: 16px;
  width: 3px;
  border-radius: 0 3px 3px 0;
  background: var(--azure-600);
}

.page-faq .faq-step__num {
  margin: 0 0 8px;
  font-family: var(--font-mono);
  font-size: 11px;
  line-height: 18px;
  letter-spacing: 0.1em;
  color: var(--gold-500);
}

.page-faq .faq-step h3 {
  margin: 0 0 8px;
  font-size: 17px;
  font-weight: 700;
  line-height: 1.5;
  color: var(--ink-900);
}

.page-faq .faq-step p {
  margin: 0;
  font-size: 14px;
  line-height: 1.78;
  color: var(--ink-700);
}

/* ---------- 问答条目 ---------- */
.page-faq .faq-list {
  display: grid;
  gap: 10px;
}

.page-faq .faq-item {
  position: relative;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: var(--r-card);
  background-color: #fff;
  transition: border-color 0.24s var(--ease), box-shadow 0.24s var(--ease);
}

.page-faq .faq-item[open] {
  border-color: rgba(27, 79, 160, 0.34);
  background-image: linear-gradient(90deg, rgba(213, 226, 247, 0.72), rgba(213, 226, 247, 0) 62%);
  box-shadow: var(--shadow-soft);
}

.page-faq .faq-item[open]::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0;
  bottom: 0;
  width: 3px;
  background: var(--azure-600);
}

.page-faq .faq-item summary {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr) 16px;
  gap: 12px;
  align-items: start;
  padding: 15px 18px;
  cursor: pointer;
  list-style: none;
}

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

.page-faq .faq-item__code {
  font-family: var(--font-mono);
  font-size: 12px;
  line-height: 24px;
  color: var(--azure-600);
  letter-spacing: 0.04em;
}

.page-faq .faq-item__q {
  font-size: 16px;
  font-weight: 600;
  line-height: 1.6;
  color: var(--ink-900);
}

.page-faq .faq-item__sign {
  position: relative;
  align-self: center;
  width: 16px;
  height: 16px;
}

.page-faq .faq-item__sign::before,
.page-faq .faq-item__sign::after {
  content: "";
  position: absolute;
  background: var(--gray-400);
}

.page-faq .faq-item__sign::before {
  left: 0;
  right: 0;
  top: 7px;
  height: 1.5px;
}

.page-faq .faq-item__sign::after {
  top: 0;
  bottom: 0;
  left: 7px;
  width: 1.5px;
  transition: transform 0.22s var(--ease);
}

.page-faq .faq-item[open] .faq-item__sign::after {
  transform: scaleY(0);
}

.page-faq .faq-item__a {
  padding: 0 18px 18px;
}

.page-faq .faq-item__a p {
  margin: 0 0 10px;
  font-size: 15px;
  line-height: 1.82;
  color: var(--ink-700);
}

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

.page-faq .faq-item__a a {
  color: var(--azure-600);
  text-decoration: underline;
  text-underline-offset: 3px;
}

.page-faq .faq-item__a a:hover {
  color: var(--crimson-600);
}

/* ---------- 深色团队分组 ---------- */
.page-faq .faq-group--ink {
  margin-block: 8px;
  padding: 26px 20px 28px;
  border-top: 1px solid var(--line-gold);
  border-radius: var(--r-card);
  background: var(--ink-900);
}

.page-faq .faq-group--ink .sec-num {
  color: var(--gold-500);
}

.page-faq .faq-group--ink .faq-group__head h2 {
  color: var(--paper-0);
}

.page-faq .faq-group--ink .faq-group__lead {
  color: rgba(250, 247, 241, 0.78);
}

.page-faq .faq-group--ink .faq-item {
  border-color: var(--line-ink);
  background-color: rgba(250, 247, 241, 0.045);
}

.page-faq .faq-group--ink .faq-item[open] {
  border-color: var(--line-gold);
  background-image: linear-gradient(90deg, rgba(201, 138, 30, 0.18), rgba(201, 138, 30, 0) 62%);
}

.page-faq .faq-group--ink .faq-item[open]::before {
  background: var(--gold-500);
}

.page-faq .faq-group--ink .faq-item__code {
  color: var(--gold-500);
}

.page-faq .faq-group--ink .faq-item__q {
  color: var(--paper-0);
}

.page-faq .faq-group--ink .faq-item__sign::before,
.page-faq .faq-group--ink .faq-item__sign::after {
  background: rgba(250, 247, 241, 0.55);
}

.page-faq .faq-group--ink .faq-item__a p {
  color: rgba(250, 247, 241, 0.82);
}

.page-faq .faq-group--ink .faq-item__a a {
  color: var(--gold-500);
}

/* ---------- 对照表 ---------- */
.page-faq .faq-compare {
  margin-top: 26px;
  border: 1px solid var(--line);
  border-radius: var(--r-card);
  background: #fff;
}

.page-faq .faq-compare table {
  width: 100%;
  min-width: 540px;
  border-collapse: collapse;
  font-size: 14px;
}

.page-faq .faq-compare thead th {
  padding: 14px 12px 10px;
  border-bottom: 1px solid var(--line-strong);
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 500;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  text-align: left;
  color: var(--gray-400);
}

.page-faq .faq-compare tbody th {
  padding: 12px;
  text-align: left;
  font-size: 13px;
  font-weight: 600;
  line-height: 1.7;
  color: var(--ink-900);
  white-space: nowrap;
}

.page-faq .faq-compare tbody td {
  padding: 12px;
  line-height: 1.7;
  color: var(--ink-700);
  vertical-align: top;
}

.page-faq .faq-compare tbody th,
.page-faq .faq-compare tbody td {
  border-bottom: 1px solid var(--line);
}

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

/* ---------- 联系渠道 ---------- */
.page-faq .faq-contact {
  display: grid;
  gap: 12px;
}

.page-faq .faq-contact__card {
  padding: 18px;
  border: 1px solid rgba(27, 79, 160, 0.2);
  border-radius: var(--r-card);
  background: var(--sand-100);
}

.page-faq .faq-contact__k {
  margin: 0 0 10px;
  font-family: var(--font-mono);
  font-size: 11px;
  line-height: 18px;
  letter-spacing: 0.08em;
  color: var(--azure-600);
}

.page-faq .faq-contact__v {
  margin: 0 0 10px;
  font-family: var(--font-mono);
  font-size: 15px;
  font-weight: 600;
  line-height: 1.5;
  color: var(--ink-900);
  word-break: break-all;
}

.page-faq .faq-contact__n {
  margin: 0;
  font-size: 14px;
  line-height: 1.75;
  color: var(--ink-700);
}

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

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

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

@media (min-width: 760px) {
  .page-faq .faq-hero__inner {
    padding-block: 40px 54px;
  }

  .page-faq h1 {
    font-size: 42px;
    line-height: 1.2;
  }

  .page-faq .faq-shell {
    padding-block: 48px 72px;
  }

  .page-faq .faq-group {
    padding-block: 46px;
  }

  .page-faq .faq-group__head h2 {
    font-size: 30px;
    line-height: 1.28;
  }

  .page-faq .faq-group--ink {
    padding: 34px 30px 36px;
  }

  .page-faq .faq-item summary {
    padding: 17px 22px;
  }

  .page-faq .faq-item__a {
    padding: 0 22px 20px;
  }

  .page-faq .faq-contact {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

@media (min-width: 1000px) {
  .page-faq .faq-shell {
    display: grid;
    grid-template-columns: var(--faq-rail-w) minmax(0, 1fr);
    gap: 60px;
    padding-block: 56px 84px;
  }

  .page-faq .faq-rail {
    display: block;
    position: sticky;
    top: 104px;
    align-self: start;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-faq .faq-jump a,
  .page-faq .faq-rail__num,
  .page-faq .faq-rail__list a,
  .page-faq .faq-item,
  .page-faq .faq-item__sign::after {
    transition: none;
  }
}
<<<END>>>