.page-faq {
  --faq-line: rgba(242, 244, 238, .14);
  --faq-line-soft: rgba(242, 244, 238, .08);
  --faq-answer-ink: #14201b;
  --faq-answer-mute: #55655d;
  background: var(--ink-900);
  color: var(--fog);
  font-family: var(--font-body);
  overflow-x: clip;
}

.page-faq h1,
.page-faq h2,
.page-faq h3 {
  font-family: var(--font-display);
}

/* ---------- 首屏 ---------- */
.page-faq .faq-hero {
  position: relative;
  overflow: hidden;
  padding: calc(var(--header-h) + 44px) 0 44px;
}

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

.page-faq .faq-hero__bg img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: .3;
  filter: saturate(.85);
}

.page-faq .faq-hero__bg::after {
  content: "";
  position: absolute;
  inset: 0;
  background:
    linear-gradient(180deg, rgba(11, 31, 25, .5) 0%, rgba(11, 31, 25, .88) 58%, var(--ink-900) 100%);
}

.page-faq .faq-hero__inner {
  position: relative;
  z-index: 1;
}

.page-faq .crumbs {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  font-size: 12px;
  letter-spacing: .12em;
  color: var(--ash);
  margin-bottom: 20px;
}

.page-faq .crumbs a {
  color: var(--ash);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: color .18s var(--ease), border-color .18s var(--ease);
}

.page-faq .crumbs a:hover,
.page-faq .crumbs a:focus-visible {
  color: var(--lime);
  border-bottom-color: var(--lime);
}

.page-faq .crumbs .crumbs__sep {
  color: rgba(154, 166, 159, .55);
}

.page-faq .faq-hero__title {
  margin: 16px 0 0;
  font-size: clamp(34px, 8.4vw, 76px);
  line-height: .98;
  font-weight: 800;
  letter-spacing: -.02em;
  transform: rotate(-2deg);
  transform-origin: left bottom;
  max-width: 14ch;
}

.page-faq .faq-hero__lead {
  margin: 24px 0 0;
  max-width: 54ch;
  font-size: 15.5px;
  line-height: 1.85;
  color: rgba(242, 244, 238, .82);
}

.page-faq .faq-hero__stats {
  display: flex;
  flex-wrap: wrap;
  gap: 14px 32px;
  margin: 30px 0 0;
  padding-top: 18px;
  border-top: 1px solid var(--faq-line);
}

.page-faq .faq-stat {
  margin: 0;
  display: flex;
  flex-direction: column;
  gap: 5px;
}

.page-faq .faq-stat__label {
  font-size: 11px;
  letter-spacing: .16em;
  color: var(--ash);
}

.page-faq .faq-stat__num {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 17px;
  font-weight: 700;
  color: var(--lime);
  letter-spacing: .01em;
}

/* ---------- 五条路径图例 ---------- */
.page-faq .faq-paths {
  display: grid;
  grid-template-columns: 1fr;
  gap: 10px;
  margin-top: 4px;
}

.page-faq .faq-path {
  display: flex;
  flex-direction: column;
  gap: 6px;
  padding: 16px 14px 18px;
  border: 1px solid var(--faq-line);
  background: var(--glass);
  color: var(--fog);
  text-decoration: none;
  transition: transform .22s var(--ease), border-color .22s var(--ease), background .22s var(--ease);
}

.page-faq .faq-path:hover,
.page-faq .faq-path:focus-visible {
  transform: translateY(-4px);
  border-color: var(--lime-dim);
  background: rgba(255, 255, 255, .09);
}

.page-faq .faq-path__code {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .16em;
  color: var(--lime);
}

.page-faq .faq-path__title {
  font-weight: 700;
  font-size: 15px;
  letter-spacing: .01em;
}

.page-faq .faq-path__desc {
  font-size: 12.5px;
  line-height: 1.6;
  color: var(--ash);
}

@media (min-width: 620px) {
  .page-faq .faq-paths {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (min-width: 960px) {
  .page-faq .faq-paths {
    grid-template-columns: repeat(5, minmax(0, 1fr));
    gap: 12px;
  }

  .page-faq .faq-path:nth-child(even) {
    transform: translateY(18px);
  }

  .page-faq .faq-path:nth-child(even):hover,
  .page-faq .faq-path:nth-child(even):focus-visible {
    transform: translateY(14px);
  }
}

/* ---------- 主体两栏 ---------- */
.page-faq .faq-body {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 32px;
  padding: 44px 0 72px;
}

/* ---------- 问题速查 ---------- */
.page-faq .faq-index {
  border: 1px solid var(--faq-line);
  background: var(--glass);
  padding: 16px 14px 18px;
}

.page-faq .faq-index__title {
  margin: 0 0 12px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .18em;
  color: var(--lime);
}

.page-faq .faq-index__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 2px 8px;
}

.page-faq .faq-index__list a {
  display: flex;
  align-items: baseline;
  gap: 7px;
  padding: 6px 6px 6px 8px;
  border-left: 2px solid transparent;
  color: var(--ash);
  text-decoration: none;
  font-size: 12.5px;
  line-height: 1.45;
  transition: color .18s var(--ease), border-color .18s var(--ease), background .18s var(--ease);
}

.page-faq .faq-index__list a:hover,
.page-faq .faq-index__list a:focus-visible {
  color: var(--fog);
  border-left-color: var(--lime);
  background: rgba(255, 255, 255, .05);
}

.page-faq .faq-index__code {
  flex: none;
  font-family: var(--font-mono);
  font-size: 10.5px;
  letter-spacing: .04em;
  color: var(--lime);
}

/* ---------- 章节 ---------- */
.page-faq .faq-section {
  padding-top: 26px;
  border-top: 1px solid var(--faq-line);
  scroll-margin-top: calc(var(--header-h-sm) + 16px);
}

.page-faq .faq-section + .faq-section {
  margin-top: 44px;
}

.page-faq .faq-section__head {
  display: flex;
  align-items: baseline;
  gap: 12px;
}

.page-faq .faq-section__code {
  flex: none;
  font-family: var(--font-mono);
  font-size: 13px;
  font-weight: 700;
  letter-spacing: .12em;
  color: var(--lime);
}

.page-faq .faq-section__title {
  margin: 0;
  font-size: clamp(21px, 4.4vw, 32px);
  line-height: 1.2;
  font-weight: 800;
  letter-spacing: -.01em;
}

.page-faq .faq-section__intro {
  margin: 12px 0 20px;
  max-width: 58ch;
  font-size: 14.5px;
  line-height: 1.85;
  color: var(--ash);
}

.page-faq .faq-section__intro a {
  color: var(--lime);
  text-decoration: none;
  border-bottom: 1px solid var(--lime-dim);
}

.page-faq .faq-section__intro a:hover,
.page-faq .faq-section__intro a:focus-visible {
  border-bottom-color: var(--lime);
}

/* ---------- 三条起步路线 ---------- */
.page-faq .faq-steps {
  display: grid;
  grid-template-columns: 1fr;
  gap: 14px;
}

.page-faq .faq-step {
  padding: 18px 16px 20px;
  background: var(--ink-700);
  border-left: 3px solid var(--lime);
}

.page-faq .faq-step__code {
  margin: 0 0 8px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .16em;
  color: var(--ash);
}

.page-faq .faq-step__title {
  margin: 0 0 12px;
  font-size: 16.5px;
  font-weight: 700;
  line-height: 1.4;
}

.page-faq .faq-step__list {
  margin: 0;
  padding-left: 1.3em;
  font-size: 14px;
  line-height: 1.85;
  color: rgba(242, 244, 238, .86);
}

.page-faq .faq-step__list li {
  margin-bottom: .45em;
}

.page-faq .faq-step__list li:last-child {
  margin-bottom: 0;
}

.page-faq .faq-step__list a {
  color: var(--lime);
  text-decoration: none;
  border-bottom: 1px solid var(--lime-dim);
}

.page-faq .faq-step__list a:hover,
.page-faq .faq-step__list a:focus-visible {
  border-bottom-color: var(--lime);
}

.page-faq .faq-step__note {
  margin: 12px 0 0;
  font-size: 12.5px;
  line-height: 1.7;
  letter-spacing: .02em;
  color: var(--ash);
}

@media (min-width: 760px) {
  .page-faq .faq-steps {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 12px;
  }

  .page-faq .faq-step:nth-child(2) {
    transform: translateY(22px);
  }
}

/* ---------- 折叠问答 ---------- */
.page-faq .faq-q {
  border-bottom: 1px solid var(--faq-line-soft);
}

.page-faq .faq-q__summary {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  padding: 15px 2px;
  cursor: pointer;
  list-style: none;
  font-size: 15.5px;
  font-weight: 700;
  line-height: 1.55;
  color: var(--fog);
  transition: color .18s var(--ease);
}

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

.page-faq .faq-q__summary:hover,
.page-faq .faq-q__summary:focus-visible {
  color: var(--lime);
}

.page-faq .faq-q__summary:focus-visible {
  outline: 2px solid var(--lime-dim);
  outline-offset: 4px;
}

.page-faq .faq-q__num {
  flex: none;
  padding-top: 4px;
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: .08em;
  color: var(--ash);
}

.page-faq .faq-q__text {
  flex: 1 1 auto;
  min-width: 0;
}

.page-faq .faq-q__mark {
  flex: none;
  width: 0;
  height: 0;
  margin-top: 7px;
  border-left: 7px solid var(--lime);
  border-top: 5px solid transparent;
  border-bottom: 5px solid transparent;
  transform-origin: 2px 50%;
  transition: transform .2s var(--ease);
}

.page-faq .faq-q[open] .faq-q__mark {
  transform: rotate(90deg);
}

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

.page-faq .faq-q__body {
  margin: 0 0 18px;
  padding: 15px 16px 17px;
  background: var(--fog);
  color: var(--faq-answer-ink);
  border-left: 3px solid var(--lime);
  border-radius: 0 var(--radius) var(--radius) 0;
  font-size: 14.5px;
  line-height: 1.9;
}

.page-faq .faq-q__body p {
  margin: 0 0 .85em;
}

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

.page-faq .faq-q__body ol {
  margin: .1em 0 .85em;
  padding-left: 1.35em;
}

.page-faq .faq-q__body li {
  margin-bottom: .4em;
}

.page-faq .faq-q__body li:last-child {
  margin-bottom: 0;
}

.page-faq .faq-q__body a {
  color: var(--flag);
  text-decoration: underline;
  text-underline-offset: 3px;
}

.page-faq .faq-q__body a:hover,
.page-faq .faq-q__body a:focus-visible {
  color: var(--ink-800);
}

/* ---------- 文档示意 ---------- */
.page-faq .faq-figure {
  margin: 22px 0 0;
  border: 1px solid var(--faq-line);
  background: var(--ink-800);
}

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

.page-faq .faq-figure figcaption {
  padding: 10px 14px;
  border-top: 1px solid var(--faq-line-soft);
  font-size: 11.5px;
  letter-spacing: .1em;
  color: var(--ash);
}

/* ---------- 联系区块 ---------- */
.page-faq .faq-contact {
  padding: 22px 18px 24px;
  border: 1px solid var(--lime-dim);
  background:
    radial-gradient(120% 140% at 0% 0%, rgba(200, 240, 60, .12), rgba(200, 240, 60, 0) 62%),
    var(--ink-800);
}

.page-faq .faq-contact__title {
  margin: 0 0 16px;
  font-family: var(--font-display);
  font-size: 18px;
  font-weight: 800;
  letter-spacing: .01em;
}

.page-faq .faq-contact__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 14px;
}

.page-faq .faq-contact__item {
  display: flex;
  flex-direction: column;
  gap: 5px;
  padding-left: 12px;
  border-left: 2px solid var(--lime);
}

.page-faq .faq-contact__label {
  font-size: 11px;
  letter-spacing: .16em;
  color: var(--ash);
}

.page-faq .faq-contact__value {
  font-family: var(--font-mono);
  font-size: 14px;
  font-weight: 700;
  color: var(--fog);
  word-break: break-word;
}

.page-faq .faq-contact__note {
  margin: 16px 0 0;
  font-size: 13px;
  line-height: 1.8;
  color: var(--ash);
}

.page-faq .faq-contact__note a {
  color: var(--lime);
  text-decoration: none;
  border-bottom: 1px solid var(--lime-dim);
}

.page-faq .faq-contact__note a:hover,
.page-faq .faq-contact__note a:focus-visible {
  border-bottom-color: var(--lime);
}

.page-faq .faq-contact__cta {
  display: inline-block;
  margin-top: 18px;
  text-decoration: none;
}

@media (min-width: 720px) {
  .page-faq .faq-contact__grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 18px;
  }
}

/* ---------- 桌面两栏 ---------- */
@media (min-width: 1024px) {
  .page-faq .faq-hero {
    padding: calc(var(--header-h) + 64px) 0 56px;
  }

  .page-faq .faq-body {
    grid-template-columns: minmax(0, 1fr) 264px;
    column-gap: 7%;
    padding: 64px 0 104px;
  }

  .page-faq .faq-index {
    grid-column: 2;
    grid-row: 1;
    position: sticky;
    top: calc(var(--header-h-sm) + 18px);
    padding: 18px 14px 20px;
  }

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

  .page-faq .faq-content {
    grid-column: 1;
    grid-row: 1;
    min-width: 0;
  }

  .page-faq .faq-q__summary {
    font-size: 16px;
    padding: 17px 2px;
  }

  .page-faq .faq-q__body {
    padding: 18px 22px 20px;
    font-size: 15px;
  }

  .page-faq .faq-step:nth-child(2) {
    transform: translateY(28px);
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-faq .faq-path,
  .page-faq .faq-q__mark,
  .page-faq .faq-q__summary {
    transition: none;
  }

  .page-faq .faq-path:hover,
  .page-faq .faq-path:focus-visible {
    transform: none;
  }
}
<<<END>>>