.page-faq {
  --faq-gap: clamp(16px, 3vw, 28px);
  --faq-panel: rgba(17, 42, 77, .55);
  --faq-panel-strong: rgba(17, 42, 77, .82);
  background: var(--ink-deep);
  color: var(--white);
  font-family: var(--font-body);
  overflow-x: hidden;
  padding-bottom: 8px;
}

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

.page-faq .container {
  width: 100%;
  max-width: var(--shell);
  margin: 0 auto;
  padding-left: var(--gutter);
  padding-right: var(--gutter);
}

/* ---------- 首屏 ---------- */
.page-faq .faq-hero {
  position: relative;
  padding: calc(var(--header-h) + 34px) 0 42px;
  background:
    radial-gradient(120% 95% at 84% -12%, rgba(47, 107, 255, .3), transparent 58%),
    radial-gradient(95% 80% at 4% 112%, rgba(243, 198, 78, .12), transparent 62%),
    var(--ink-deep);
  overflow: hidden;
}

.page-faq .faq-hero::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  height: 3px;
  background: linear-gradient(90deg,
    var(--blue) 0 20%,
    var(--white) 20% 40%,
    var(--red) 40% 60%,
    var(--green) 60% 80%,
    var(--yellow) 80% 100%);
  opacity: .5;
}

.page-faq .breadcrumb ol {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin: 0 0 26px;
  padding: 0;
  list-style: none;
  font-size: 12px;
  color: var(--mist);
}

.page-faq .breadcrumb li {
  display: flex;
  align-items: center;
  gap: 6px;
}

.page-faq .breadcrumb li + li::before {
  content: "/";
  color: var(--line-strong);
}

.page-faq .breadcrumb a {
  color: var(--mist);
  text-decoration: none;
  transition: color .2s ease;
}

.page-faq .breadcrumb a:hover,
.page-faq .breadcrumb a:focus-visible {
  color: var(--blue-light);
}

.page-faq .faq-hero-main {
  display: grid;
  gap: var(--faq-gap);
}

.page-faq .eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  margin: 0;
  font-size: 12px;
  letter-spacing: .14em;
  color: var(--yellow);
}

.page-faq .coord {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .08em;
  color: var(--ink-deep);
  background: var(--yellow);
  padding: 3px 7px;
  border-radius: 3px;
}

.page-faq h1 {
  margin: 14px 0 0;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(28px, 6.2vw, 54px);
  line-height: 1.14;
  letter-spacing: -.04em;
  max-width: 15em;
}

.page-faq .lead {
  margin: 18px 0 0;
  max-width: 40em;
  font-size: 16px;
  line-height: 1.8;
  color: var(--mist);
}

.page-faq .faq-hero-note {
  padding: 18px 18px 20px;
  border: 1px solid var(--line);
  border-left: 3px solid var(--orange);
  border-radius: var(--radius-sm);
  background: var(--faq-panel);
}

.page-faq .faq-note-label {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .16em;
  color: var(--orange);
}

.page-faq .faq-hero-steps {
  display: grid;
  gap: 12px;
  margin: 14px 0 0;
  padding: 0;
  list-style: none;
}

.page-faq .faq-hero-steps li {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 14px;
  line-height: 1.5;
  color: var(--white);
}

.page-faq .faq-step-dot {
  flex: none;
  width: 9px;
  height: 9px;
  border-radius: 50%;
}

.page-faq .faq-step-dot--red { background: var(--red); }
.page-faq .faq-step-dot--orange { background: var(--orange); }
.page-faq .faq-step-dot--blue { background: var(--blue-light); }

/* ---------- 三步路径 ---------- */
.page-faq .faq-path {
  padding: 30px 0 46px;
}

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

.page-faq .path-item {
  display: grid;
  gap: 8px;
  padding: 20px 18px 22px;
  border-top: 3px solid var(--red);
  border-radius: 0 0 var(--radius-sm) var(--radius-sm);
  background: var(--faq-panel);
}

.page-faq .path-item:nth-child(2) { border-top-color: var(--orange); }
.page-faq .path-item:nth-child(3) { border-top-color: var(--blue); }

.page-faq .path-index {
  font-family: var(--font-mono);
  font-size: 26px;
  font-weight: 700;
  line-height: 1;
  letter-spacing: -.02em;
  color: var(--yellow);
}

.page-faq .path-heading {
  margin: 0;
  font-family: var(--font-display);
  font-size: 17px;
  font-weight: 800;
  letter-spacing: -.01em;
}

.page-faq .path-item p {
  margin: 0;
  font-size: 14px;
  line-height: 1.75;
  color: var(--mist);
}

/* ---------- 章节跳转 ---------- */
.page-faq .faq-jump {
  padding: 0 0 42px;
}

.page-faq .faq-jump-list {
  display: flex;
  gap: 8px;
  margin: 0;
  padding: 2px 2px 10px;
  list-style: none;
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
  scrollbar-width: thin;
}

.page-faq .faq-jump-link {
  display: inline-block;
  white-space: nowrap;
  padding: 8px 14px;
  border: 1px solid var(--line);
  border-radius: 999px;
  font-size: 13px;
  color: var(--mist);
  text-decoration: none;
  transition: color .2s ease, background-color .2s ease, border-color .2s ease;
}

.page-faq .faq-jump-link:hover,
.page-faq .faq-jump-link:focus-visible {
  color: var(--ink-deep);
  background: var(--yellow);
  border-color: var(--yellow);
}

/* ---------- 章节 ---------- */
.page-faq .faq-section {
  padding: 0 0 52px;
  scroll-margin-top: calc(var(--header-h) + 16px);
}

.page-faq .faq-section-head {
  display: flex;
  align-items: baseline;
  gap: 12px;
  margin-bottom: 16px;
  padding-bottom: 13px;
  border-bottom: 1px solid var(--line);
}

.page-faq .faq-num {
  flex: none;
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: .04em;
  color: var(--ink-deep);
  background: var(--yellow);
  padding: 3px 7px;
  border-radius: 3px;
}

.page-faq .faq-section-head h2 {
  margin: 0;
  font-family: var(--font-display);
  font-size: clamp(20px, 4.2vw, 28px);
  font-weight: 800;
  line-height: 1.3;
  letter-spacing: -.02em;
}

.page-faq .faq-section-lead {
  margin: 0 0 22px;
  max-width: var(--measure);
  font-size: 15px;
  line-height: 1.85;
  color: var(--mist);
}

.page-faq .faq-section-lead a {
  color: var(--blue-light);
  text-decoration: underline;
  text-underline-offset: 3px;
}

.page-faq .faq-section-lead a:hover {
  color: var(--orange);
}

/* ---------- 配图 ---------- */
.page-faq .faq-figure {
  margin: 0 0 24px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  overflow: hidden;
  background: rgba(8, 20, 42, .72);
}

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

.page-faq .faq-figure figcaption {
  padding: 11px 16px;
  border-top: 1px solid var(--line);
  font-size: 12px;
  line-height: 1.65;
  color: var(--mist);
}

/* ---------- 手风琴 ---------- */
.page-faq .qa-list {
  display: grid;
  gap: 10px;
  max-width: 62em;
}

.page-faq .qa {
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
  background: var(--faq-panel);
  overflow: hidden;
  transition: border-color .22s ease, background-color .22s ease;
}

.page-faq .qa[open] {
  border-color: rgba(255, 138, 31, .48);
  background: var(--faq-panel-strong);
}

.page-faq .qa summary {
  display: flex;
  align-items: flex-start;
  gap: 11px;
  padding: 15px 16px;
  cursor: pointer;
  list-style: none;
  font-size: 15px;
  font-weight: 700;
  line-height: 1.55;
  color: var(--white);
}

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

.page-faq .qa summary::after {
  content: "+";
  flex: none;
  margin-left: auto;
  font-family: var(--font-mono);
  font-size: 17px;
  line-height: 1.2;
  color: var(--orange);
}

.page-faq .qa[open] summary::after {
  content: "-";
}

.page-faq .qa summary:focus-visible {
  outline: 2px solid var(--blue-light);
  outline-offset: -2px;
}

.page-faq .qa-no {
  flex: none;
  padding-top: 2px;
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: .04em;
  color: var(--yellow);
}

.page-faq .qa-body {
  padding: 15px 16px 18px;
  font-size: 15px;
  line-height: 1.82;
  color: var(--mist);
}

.page-faq .qa[open] .qa-body {
  border-top: 1px dashed rgba(169, 184, 204, .22);
}

.page-faq .qa-body p {
  margin: 0 0 12px;
}

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

.page-faq .qa-body ul,
.page-faq .qa-body ol {
  display: grid;
  gap: 8px;
  margin: 0 0 12px;
  padding-left: 20px;
}

.page-faq .qa-body ul:last-child,
.page-faq .qa-body ol:last-child {
  margin-bottom: 0;
}

.page-faq .qa-body li::marker {
  color: var(--orange);
  font-family: var(--font-mono);
}

.page-faq .qa-body strong {
  color: var(--white);
  font-weight: 700;
}

.page-faq .qa-body a {
  color: var(--blue-light);
  text-decoration: underline;
  text-underline-offset: 3px;
}

.page-faq .qa-body a:hover {
  color: var(--orange);
}

/* ---------- 首屏三模块图 ---------- */
.page-faq .screen-map {
  display: grid;
  gap: 10px;
  margin: 0 0 24px;
}

.page-faq .screen-map-item {
  padding: 16px 16px 18px;
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
  background: linear-gradient(180deg, rgba(47, 107, 255, .18), rgba(17, 42, 77, .42));
}

.page-faq .screen-map-item:nth-child(2) {
  background: linear-gradient(180deg, rgba(255, 138, 31, .16), rgba(17, 42, 77, .42));
}

.page-faq .screen-map-item:nth-child(3) {
  background: linear-gradient(180deg, rgba(225, 75, 62, .14), rgba(17, 42, 77, .42));
}

.page-faq .screen-map-tag {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .1em;
  color: var(--white);
  border: 1px solid var(--line-strong);
  border-radius: 3px;
  padding: 2px 6px;
}

.page-faq .screen-map-title {
  margin: 10px 0 6px;
  font-family: var(--font-display);
  font-size: 16px;
  font-weight: 800;
  letter-spacing: -.01em;
  color: var(--white);
}

.page-faq .screen-map-desc {
  margin: 0;
  font-size: 13px;
  line-height: 1.7;
  color: var(--mist);
}

/* ---------- 排查矩阵 ---------- */
.page-faq .check-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 10px;
  margin: 0 0 24px;
  padding: 0;
  list-style: none;
}

.page-faq .check-grid li {
  padding: 14px 13px 16px;
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
  background: var(--faq-panel);
  font-size: 13px;
  line-height: 1.65;
  color: var(--mist);
}

.page-faq .check-grid strong {
  display: block;
  margin-bottom: 6px;
  font-family: var(--font-display);
  font-size: 14px;
  font-weight: 800;
  color: var(--white);
}

.page-faq .check-grid span {
  display: block;
}

/* ---------- 联系支持卡 ---------- */
.page-faq .support-card {
  margin: 0 0 24px;
  padding: 20px 18px 22px;
  border: 1px solid var(--line);
  border-left: 3px solid var(--orange);
  border-radius: var(--radius);
  background: linear-gradient(140deg, rgba(255, 138, 31, .14), rgba(17, 42, 77, .58) 58%);
}

.page-faq .support-title {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .16em;
  color: var(--orange);
}

.page-faq .support-mail {
  margin: 10px 0 12px;
  font-family: var(--font-mono);
  font-size: clamp(17px, 4.2vw, 24px);
  font-weight: 700;
  letter-spacing: -.01em;
  color: var(--glow);
  word-break: break-all;
}

.page-faq .support-text {
  margin: 0;
  font-size: 14px;
  line-height: 1.8;
  color: var(--mist);
}

.page-faq .support-text a {
  color: var(--blue-light);
  text-decoration: underline;
  text-underline-offset: 3px;
}

.page-faq .support-text a:hover {
  color: var(--orange);
}

/* ---------- 桌面 ---------- */
@media (min-width: 720px) {
  .page-faq .faq-path {
    padding-top: 34px;
  }

  .page-faq .path-list {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 14px;
  }

  .page-faq .screen-map {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 12px;
  }

  .page-faq .check-grid {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }
}

@media (min-width: 960px) {
  .page-faq .faq-hero {
    padding-top: calc(var(--header-h) + 52px);
    padding-bottom: 56px;
  }

  .page-faq .faq-hero-main {
    grid-template-columns: minmax(0, 1fr) 330px;
    align-items: end;
    gap: 52px;
  }

  .page-faq .lead {
    font-size: 17px;
  }

  .page-faq .qa summary {
    padding: 17px 20px;
    font-size: 16px;
  }

  .page-faq .qa-body {
    padding: 17px 20px 20px;
  }

  .page-faq .path-item {
    padding: 24px 22px 26px;
  }

  .page-faq .faq-section {
    padding-bottom: 64px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-faq * {
    transition: none !important;
    animation: none !important;
  }
}
<<<END>>>