.page-faq {
  --faq-line: rgba(17, 20, 43, 0.14);
  --faq-line-soft: rgba(17, 20, 43, 0.07);
  --faq-amber-soft: rgba(255, 194, 75, 0.16);
  --faq-tiger-soft: rgba(255, 106, 26, 0.08);
  background: var(--paper);
  color: var(--ink);
  overflow-x: hidden;
}

/* ---------- 首屏 ---------- */
.page-faq .faq-hero {
  position: relative;
  overflow: hidden;
  color: var(--paper);
  padding: clamp(76px, 11vw, 128px) 0 clamp(44px, 6vw, 76px);
  background:
    radial-gradient(120% 100% at 88% 0%, rgba(43, 27, 94, 0.92), transparent 62%),
    radial-gradient(72% 62% at 0% 100%, rgba(255, 106, 26, 0.2), transparent 70%),
    var(--space);
}

.page-faq .faq-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background-image:
    repeating-linear-gradient(90deg, rgba(57, 242, 224, 0.07) 0 1px, transparent 1px 104px),
    repeating-linear-gradient(0deg, rgba(57, 242, 224, 0.05) 0 1px, transparent 1px 104px);
}

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

.page-faq .breadcrumbs__link {
  color: rgba(247, 244, 238, 0.66);
  text-decoration: none;
}

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

.page-faq .breadcrumbs__sep {
  color: rgba(247, 244, 238, 0.34);
}

.page-faq .breadcrumbs__current {
  color: rgba(247, 244, 238, 0.92);
}

.page-faq .faq-hero__grid {
  display: grid;
  gap: clamp(28px, 4vw, 56px);
  margin-top: clamp(24px, 4vw, 48px);
}

.page-faq .faq-hero__title {
  margin: 18px 0 20px;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(32px, 5.2vw, 62px);
  line-height: 1.12;
  letter-spacing: -0.012em;
  max-width: 15em;
}

.page-faq .faq-hero__lead {
  margin: 0;
  max-width: 42em;
  font-size: var(--step-body);
  line-height: 1.85;
  color: rgba(247, 244, 238, 0.78);
}

.page-faq .faq-hero__side {
  border: 1px solid var(--line-dark);
  background: rgba(11, 18, 48, 0.55);
  padding: 20px 20px 22px;
  border-left: 3px solid var(--tiger);
}

.page-faq .faq-hero__side-k {
  margin: 0 0 14px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.2em;
  color: var(--cyan);
}

.page-faq .faq-hero__stats {
  margin: 0;
  display: grid;
  gap: 12px;
}

.page-faq .faq-hero__stat {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  justify-content: space-between;
  gap: 6px 14px;
  padding-bottom: 10px;
  border-bottom: 1px dashed var(--line-dark-soft);
}

.page-faq .faq-hero__stat:last-child {
  padding-bottom: 0;
  border-bottom: 0;
}

.page-faq .faq-hero__stat dt {
  font-size: 13.5px;
  color: rgba(247, 244, 238, 0.66);
}

.page-faq .faq-hero__stat dd {
  margin: 0;
  font-size: 14px;
  color: var(--amber);
  font-weight: 600;
}

.page-faq .faq-hero__side-note {
  margin: 16px 0 0;
  font-size: 13px;
  line-height: 1.7;
  color: rgba(247, 244, 238, 0.56);
}

/* ---------- 主体布局 ---------- */
.page-faq .faq-body {
  padding: clamp(40px, 6vw, 88px) 0 clamp(56px, 9vw, 120px);
}

.page-faq .faq-layout {
  display: grid;
  gap: clamp(28px, 4vw, 52px);
}

.page-faq .faq-index {
  border: 1px solid var(--faq-line);
  background: #ffffff;
  padding: 16px 14px 14px;
}

.page-faq .faq-index__title {
  margin: 0 0 12px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.2em;
  color: var(--mist);
}

.page-faq .faq-index__list {
  margin: 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 2px;
}

.page-faq .faq-index__link {
  display: flex;
  align-items: baseline;
  gap: 10px;
  padding: 9px 10px;
  border-left: 2px solid transparent;
  color: var(--ink-soft);
  text-decoration: none;
  font-size: 14px;
  line-height: 1.5;
  transition: color var(--dur) var(--ease), border-color var(--dur) var(--ease), background-color var(--dur) var(--ease);
}

.page-faq .faq-index__link:hover,
.page-faq .faq-index__link:focus-visible {
  color: var(--ink);
  border-left-color: var(--tiger);
  background: var(--faq-tiger-soft);
}

.page-faq .faq-index__num {
  flex: none;
  font-size: 11px;
  letter-spacing: 0.14em;
  color: var(--tiger);
}

.page-faq .faq-index__hint {
  margin: 14px 0 0;
  padding-top: 12px;
  border-top: 1px dashed var(--faq-line);
  font-size: 12.5px;
  line-height: 1.7;
  color: var(--mist);
}

/* ---------- 章节 ---------- */
.page-faq .faq-sec {
  scroll-margin-top: 104px;
}

.page-faq .faq-sec + .faq-sec {
  margin-top: clamp(44px, 6vw, 80px);
}

.page-faq .faq-sec__head {
  display: flex;
  align-items: baseline;
  gap: 14px;
  padding-bottom: 12px;
  border-bottom: 2px solid var(--ink);
  margin-bottom: 18px;
}

.page-faq .faq-sec__num {
  flex: none;
  font-size: 12px;
  letter-spacing: 0.18em;
  color: var(--tiger);
}

.page-faq .faq-sec__title {
  margin: 0;
  font-family: var(--font-display);
  font-size: var(--step-h3);
  font-weight: 900;
  letter-spacing: -0.01em;
  line-height: 1.3;
}

.page-faq .faq-sec__lead {
  margin: 0 0 20px;
  font-size: 15px;
  line-height: 1.85;
  color: var(--ink-soft);
  max-width: 44em;
}

.page-faq .faq-inline-link {
  margin: 18px 0 0;
  font-size: 13.5px;
  line-height: 1.8;
  color: var(--ink-soft);
}

.page-faq .faq-inline-link a {
  color: var(--tiger-deep);
  text-decoration: underline;
  text-underline-offset: 3px;
}

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

/* ---------- 四步流程图 ---------- */
.page-faq .faq-flow {
  margin: 0 0 24px;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 16px;
}

.page-faq .faq-flow__item {
  position: relative;
  border: 1px solid var(--faq-line);
  background: #ffffff;
  padding: 14px 16px 16px;
}

.page-faq .faq-flow__item::after {
  content: "";
  position: absolute;
  left: 26px;
  bottom: -16px;
  width: 0;
  height: 16px;
  border-left: 1px dashed rgba(255, 106, 26, 0.75);
}

.page-faq .faq-flow__item:last-child::after {
  display: none;
}

.page-faq .faq-flow__num {
  display: block;
  margin-bottom: 6px;
  font-size: 11px;
  letter-spacing: 0.18em;
  color: var(--tiger);
}

.page-faq .faq-flow__label {
  display: block;
  font-size: 15px;
  font-weight: 800;
  margin-bottom: 4px;
}

.page-faq .faq-flow__desc {
  display: block;
  font-size: 13px;
  line-height: 1.65;
  color: var(--ink-soft);
}

/* ---------- 图片 ---------- */
.page-faq .faq-figure {
  margin: 0 0 24px;
  padding: 10px;
  border: 1px solid var(--faq-line);
  background: #ffffff;
}

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

.page-faq .faq-figure figcaption {
  margin-top: 10px;
  font-family: var(--font-mono);
  font-size: 12px;
  line-height: 1.6;
  letter-spacing: 0.02em;
  color: var(--mist);
}

/* ---------- 问答条目 ---------- */
.page-faq .qa-list {
  margin: 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 12px;
}

.page-faq .qa {
  background: #ffffff;
  border: 1px solid var(--faq-line);
  border-left: 3px solid var(--faq-line);
  transition: border-color var(--dur) var(--ease), box-shadow var(--dur) var(--ease);
}

.page-faq .qa:hover {
  border-color: rgba(255, 106, 26, 0.45);
  border-left-color: var(--tiger);
}

.page-faq .qa:focus-within {
  border-left-color: var(--tiger);
}

.page-faq .qa[open] {
  border-left-color: var(--tiger);
  box-shadow: 0 12px 30px -20px rgba(11, 18, 48, 0.5);
}

.page-faq .qa__q {
  display: flex;
  align-items: flex-start;
  gap: 13px;
  padding: 15px 16px;
  cursor: pointer;
  list-style: none;
  font-size: 16px;
  font-weight: 700;
  line-height: 1.6;
  color: var(--ink);
  transition: color var(--dur) var(--ease);
}

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

.page-faq .qa__q::marker {
  content: "";
}

.page-faq .qa__q:hover {
  color: var(--tiger-deep);
}

.page-faq .qa__q:focus-visible {
  outline: 2px solid var(--tiger);
  outline-offset: -2px;
}

.page-faq .qa__mark {
  position: relative;
  flex: none;
  width: 16px;
  height: 16px;
  margin-top: 5px;
  border: 1px solid var(--line-light);
  transition: border-color var(--dur) var(--ease), background-color var(--dur) var(--ease);
}

.page-faq .qa__mark::before,
.page-faq .qa__mark::after {
  content: "";
  position: absolute;
  background: var(--ink);
}

.page-faq .qa__mark::before {
  left: 3px;
  right: 3px;
  top: 50%;
  height: 1.5px;
  margin-top: -0.75px;
}

.page-faq .qa__mark::after {
  top: 3px;
  bottom: 3px;
  left: 50%;
  width: 1.5px;
  margin-left: -0.75px;
  transition: transform 200ms var(--ease);
}

.page-faq .qa[open] .qa__mark {
  border-color: var(--tiger);
  background: var(--faq-tiger-soft);
}

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

.page-faq .qa__a {
  padding: 0 16px 18px 45px;
  font-size: 15px;
  line-height: 1.85;
  color: var(--ink-soft);
}

.page-faq .qa__cond {
  margin: 0 0 12px;
  padding: 8px 12px;
  border-left: 2px solid var(--amber);
  background: var(--faq-amber-soft);
  font-size: 14px;
  line-height: 1.75;
  color: var(--ink);
}

.page-faq .qa__cond-k {
  display: inline-block;
  margin-right: 8px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.16em;
  color: var(--tiger-deep);
}

.page-faq .qa__steps {
  margin: 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 8px;
  counter-reset: faqstep;
}

.page-faq .qa__steps li {
  position: relative;
  counter-increment: faqstep;
  padding-left: 26px;
}

.page-faq .qa__steps li::before {
  content: counter(faqstep, decimal-leading-zero);
  position: absolute;
  left: 0;
  top: 1px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.06em;
  color: var(--tiger);
}

/* ---------- 版本号对照 ---------- */
.page-faq .faq-ver {
  margin: 0 0 24px;
  border: 1px solid var(--faq-line);
  background: #ffffff;
}

.page-faq .faq-ver__row {
  display: grid;
  gap: 6px 14px;
  padding: 14px 16px;
  border-bottom: 1px solid var(--faq-line-soft);
}

.page-faq .faq-ver__row:last-child {
  border-bottom: 0;
}

.page-faq .faq-ver__tag {
  justify-self: start;
  padding: 3px 8px;
  border: 1px solid currentColor;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.12em;
  line-height: 1.6;
}

.page-faq .faq-ver__tag--client {
  color: var(--tiger-deep);
}

.page-faq .faq-ver__tag--pack {
  color: var(--nebula);
}

.page-faq .faq-ver__tag--index {
  color: var(--ink-soft);
}

.page-faq .faq-ver__val {
  font-size: 14px;
  font-weight: 600;
  color: var(--ink);
}

.page-faq .faq-ver__where {
  font-size: 13.5px;
  line-height: 1.7;
  color: var(--ink-soft);
}

/* ---------- 反馈卡片 ---------- */
.page-faq .faq-support {
  position: relative;
  overflow: hidden;
  border-left: 3px solid var(--tiger);
  padding: clamp(22px, 3vw, 34px);
  color: var(--paper);
  background:
    radial-gradient(120% 110% at 100% 0%, rgba(43, 27, 94, 0.92), transparent 62%),
    var(--space);
}

.page-faq .faq-support__k {
  margin: 0;
  font-size: 11px;
  letter-spacing: 0.2em;
  color: var(--cyan);
}

.page-faq .faq-support__mail {
  margin: 10px 0 12px;
  font-family: var(--font-mono);
  font-size: clamp(15px, 2vw, 20px);
  color: var(--amber);
  word-break: break-all;
}

.page-faq .faq-support__note {
  margin: 0 0 16px;
  font-size: 14px;
  line-height: 1.8;
  color: rgba(247, 244, 238, 0.76);
}

.page-faq .faq-support__list {
  margin: 0 0 22px;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 7px;
  font-size: 14px;
  line-height: 1.7;
  color: rgba(247, 244, 238, 0.88);
}

.page-faq .faq-support__list li {
  position: relative;
  padding-left: 16px;
}

.page-faq .faq-support__list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.68em;
  width: 6px;
  height: 6px;
  background: var(--cyan);
}

/* ---------- 响应式 ---------- */
@media (min-width: 600px) {
  .page-faq .faq-index__list {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (min-width: 760px) {
  .page-faq .faq-flow {
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 20px;
  }

  .page-faq .faq-flow__item::after {
    left: auto;
    right: -20px;
    bottom: auto;
    top: 38px;
    width: 20px;
    height: 0;
    border-left: 0;
    border-top: 1px dashed rgba(255, 106, 26, 0.75);
  }

  .page-faq .faq-ver__row {
    grid-template-columns: 116px 168px minmax(0, 1fr);
    align-items: center;
    gap: 16px;
  }
}

@media (min-width: 960px) {
  .page-faq .faq-hero__grid {
    grid-template-columns: minmax(0, 1.55fr) minmax(0, 1fr);
    align-items: end;
  }
}

@media (min-width: 1000px) {
  .page-faq .faq-layout {
    grid-template-columns: 218px minmax(0, 1fr);
    align-items: start;
  }

  .page-faq .faq-index {
    position: sticky;
    top: 96px;
  }

  .page-faq .faq-index__list {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 599px) {
  .page-faq .qa__a {
    padding-left: 16px;
  }

  .page-faq .qa__q {
    font-size: 15.5px;
  }

  .page-faq .faq-hero__stat {
    justify-content: flex-start;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-faq .qa,
  .page-faq .qa__mark,
  .page-faq .qa__mark::after,
  .page-faq .faq-index__link,
  .page-faq .qa__q {
    transition: none;
  }
}
<<<END>>>