.page-faq {
  --faq-rail: 250px;
  --faq-soft: rgba(246, 241, 231, .76);
  --faq-line: rgba(246, 241, 231, .14);
  --faq-shadow: 0 18px 44px rgba(8, 19, 31, .16);
  background: var(--paper);
  color: var(--ink-800);
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.75;
  overflow-x: clip;
}

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

.page-faq a:focus-visible,
.page-faq summary:focus-visible,
.page-faq button:focus-visible {
  outline: 2px solid var(--copper-soft);
  outline-offset: 3px;
}

/* ---------- 首屏 ---------- */
.page-faq .faq-hero {
  position: relative;
  overflow: hidden;
  background: var(--ink-900);
  color: var(--paper);
  padding: clamp(26px, 5vw, 52px) var(--gutter) clamp(44px, 7vw, 84px);
}

.page-faq .faq-hero::before {
  content: "";
  position: absolute;
  top: -20%;
  right: -18%;
  width: 68%;
  height: 150%;
  background: linear-gradient(165deg, var(--ink-700), var(--ink-800) 58%, transparent 92%);
  transform: rotate(-11deg);
  opacity: .9;
  pointer-events: none;
}

.page-faq .faq-hero::after {
  content: "";
  position: absolute;
  inset: auto auto -30% -12%;
  width: 46%;
  height: 90%;
  background: repeating-linear-gradient(90deg, rgba(192, 138, 78, .28) 0 1px, transparent 1px 22px);
  transform: rotate(12deg);
  opacity: .5;
  pointer-events: none;
}

.page-faq .faq-hero__inner {
  position: relative;
  z-index: 1;
  max-width: var(--maxw);
  margin: 0 auto;
}

.page-faq .breadcrumb__list {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  list-style: none;
  margin: 0 0 22px;
  padding: 0;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .06em;
}

.page-faq .breadcrumb__link {
  color: var(--copper-soft);
  text-decoration: none;
}

.page-faq .breadcrumb__link:hover {
  color: var(--paper);
}

.page-faq .breadcrumb__sep,
.page-faq .breadcrumb__current {
  color: var(--slate);
}

.page-faq .faq-hero__title {
  font-family: var(--font-head);
  font-weight: 900;
  font-size: clamp(29px, 5.6vw, 56px);
  line-height: 1.12;
  letter-spacing: .01em;
  margin: 0 0 18px;
  max-width: 21ch;
}

.page-faq .faq-hero__lede {
  max-width: 62ch;
  margin: 0 0 26px;
  font-size: clamp(15px, 1.9vw, 18px);
  line-height: 1.8;
  color: var(--faq-soft);
}

.page-faq .faq-hero__meta {
  display: flex;
  flex-wrap: wrap;
  gap: 10px 22px;
  list-style: none;
  margin: 0;
  padding: 0;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .05em;
  color: var(--copper-soft);
}

.page-faq .faq-hero__meta li {
  display: flex;
  align-items: center;
  gap: 8px;
}

.page-faq .faq-hero__meta li::before {
  content: "";
  width: 6px;
  height: 6px;
  border-radius: 1px;
  background: var(--celadon);
  flex: none;
}

/* ---------- 主体骨架 ---------- */
.page-faq .faq-shell {
  max-width: var(--maxw);
  margin: 0 auto;
  padding: clamp(28px, 4vw, 56px) var(--gutter) clamp(56px, 8vw, 96px);
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(22px, 4vw, 40px);
}

/* ---------- 步骤索引 ---------- */
.page-faq .faq-rail {
  position: static;
  background: var(--ink-800);
  color: var(--paper);
  border-radius: var(--radius-lg);
  padding: 18px 16px;
}

.page-faq .faq-rail__head {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 12px;
  margin-bottom: 12px;
  padding: 0 4px;
}

.page-faq .faq-rail__label {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .16em;
  text-transform: uppercase;
  color: var(--copper-soft);
}

.page-faq .faq-rail__count {
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--slate);
}

.page-faq .faq-rail__list {
  list-style: none;
  margin: 0;
  padding: 0 0 4px;
  display: flex;
  gap: 8px;
  overflow-x: auto;
  scrollbar-width: thin;
}

.page-faq .faq-rail__link {
  display: flex;
  align-items: baseline;
  gap: 8px;
  white-space: nowrap;
  padding: 10px 12px;
  border-radius: var(--radius-sm);
  border: 1px solid rgba(192, 138, 78, .3);
  color: var(--paper);
  text-decoration: none;
  font-size: 14px;
  transition: background .24s var(--ease), border-color .24s var(--ease), color .24s var(--ease);
}

.page-faq .faq-rail__link:hover {
  background: rgba(192, 138, 78, .18);
  border-color: var(--copper);
}

.page-faq .faq-rail__no {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .08em;
  color: var(--copper-soft);
}

/* ---------- 正文列 ---------- */
.page-faq .faq-body {
  display: flex;
  flex-direction: column;
  gap: clamp(34px, 5vw, 60px);
  min-width: 0;
}

.page-faq .faq-section {
  scroll-margin-top: 92px;
  min-width: 0;
}

.page-faq .faq-section__head {
  margin: 0 0 16px;
}

.page-faq .faq-kicker {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .16em;
  color: var(--copper);
  margin-bottom: 8px;
}

.page-faq .faq-section__title {
  font-family: var(--font-head);
  font-weight: 800;
  font-size: clamp(22px, 3.4vw, 32px);
  line-height: 1.28;
  margin: 0 0 10px;
  color: var(--ink-900);
}

.page-faq .faq-section__note {
  margin: 0;
  max-width: 64ch;
  font-size: 15.5px;
  line-height: 1.8;
  color: var(--paper-ink);
}

.page-faq .faq-section__note a {
  color: var(--ink-700);
  text-decoration: none;
  border-bottom: 1px solid var(--copper);
}

.page-faq .faq-section__note a:hover {
  color: var(--copper);
}

/* ---------- 步骤卡 ---------- */
.page-faq .faq-steps {
  list-style: none;
  margin: 22px 0 0;
  padding: 0;
  display: grid;
  gap: 12px;
}

.page-faq .faq-step {
  background: var(--paper-dim);
  border-radius: var(--radius-sm);
  border-top: 2px solid var(--copper);
  padding: 16px 18px 18px;
}

.page-faq .faq-step__no {
  display: block;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .12em;
  color: var(--copper);
}

.page-faq .faq-step h3 {
  margin: 5px 0 6px;
  font-family: var(--font-head);
  font-size: 17px;
  font-weight: 700;
  line-height: 1.4;
  color: var(--ink-900);
}

.page-faq .faq-step p {
  margin: 0;
  font-size: 15px;
  line-height: 1.72;
  color: var(--paper-ink);
}

/* ---------- 图片 ---------- */
.page-faq .faq-figure {
  margin: 22px 0 0;
}

.page-faq .faq-figure img {
  width: 100%;
  border-radius: var(--radius-lg);
  border: 1px solid var(--line);
}

.page-faq .faq-figure figcaption {
  margin-top: 10px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .04em;
  color: var(--slate);
}

/* ---------- 深色专区 ---------- */
.page-faq .faq-section--ink {
  background: var(--ink-800);
  color: var(--paper);
  border-radius: var(--radius-lg);
  padding: clamp(22px, 3.6vw, 40px);
  box-shadow: var(--faq-shadow);
}

.page-faq .faq-section--ink .faq-section__title {
  color: var(--paper);
}

.page-faq .faq-section--ink .faq-section__note {
  color: var(--faq-soft);
}

.page-faq .faq-status {
  display: grid;
  gap: 12px;
  margin: 22px 0 0;
  padding: 0;
  list-style: none;
}

.page-faq .faq-status__card {
  padding: 16px 18px;
  border-radius: var(--radius-sm);
  background: rgba(246, 241, 231, .06);
  border: 1px solid var(--faq-line);
}

.page-faq .faq-status__card h3 {
  margin: 10px 0 6px;
  font-family: var(--font-head);
  font-size: 17px;
  font-weight: 700;
  color: var(--paper);
}

.page-faq .faq-status__card p {
  margin: 0;
  font-size: 15px;
  line-height: 1.72;
  color: var(--faq-soft);
}

.page-faq .faq-flow {
  margin: 18px 0 0;
  padding: 14px 18px;
  border-left: 3px solid var(--celadon);
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
  background: rgba(111, 191, 162, .1);
  font-size: 15px;
  line-height: 1.75;
  color: rgba(246, 241, 231, .88);
}

/* ---------- iOS 阅读 ---------- */
.page-faq .faq-ios {
  display: grid;
  gap: 24px;
  margin-top: 22px;
  align-items: start;
}

.page-faq .faq-ios__figure {
  margin: 0;
}

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

.page-faq .faq-ios__item {
  padding: 14px 0;
  border-bottom: 1px dashed var(--line);
}

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

.page-faq .faq-ios__item h3 {
  margin: 0 0 5px;
  font-family: var(--font-head);
  font-size: 16px;
  font-weight: 700;
  color: var(--ink-900);
}

.page-faq .faq-ios__item p {
  margin: 0;
  font-size: 15px;
  line-height: 1.72;
  color: var(--paper-ink);
}

/* ---------- 固定分类 ---------- */
.page-faq .faq-cats {
  display: grid;
  gap: 12px;
  margin-top: 22px;
}

.page-faq .faq-cat {
  padding: 18px;
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
  background: var(--paper);
  border-left: 2px solid var(--copper);
}

.page-faq .faq-cat__code {
  display: block;
  margin-bottom: 6px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .1em;
  color: var(--copper);
}

.page-faq .faq-cat h3 {
  margin: 0 0 8px;
  font-family: var(--font-head);
  font-size: 17px;
  font-weight: 700;
  color: var(--ink-900);
}

.page-faq .faq-cat p {
  margin: 0;
  font-size: 15px;
  line-height: 1.72;
  color: var(--paper-ink);
}

/* ---------- 问答折叠 ---------- */
.page-faq .faq-qa {
  margin-top: 22px;
  border-top: 1px solid var(--line);
}

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

.page-faq .faq-qa .panel__summary {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  padding: 15px 0;
  cursor: pointer;
  list-style: none;
  font-size: 16px;
  font-weight: 600;
  line-height: 1.6;
  color: var(--ink-900);
}

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

.page-faq .faq-qa .panel__summary::after {
  content: "+";
  margin-left: auto;
  flex: none;
  font-family: var(--font-mono);
  font-size: 18px;
  line-height: 1.2;
  color: var(--copper);
}

.page-faq .faq-qa .panel[open] .panel__summary::after {
  content: "−";
}

.page-faq .faq-qa__no {
  flex: none;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .08em;
  color: var(--copper);
  padding-top: 3px;
}

.page-faq .faq-qa__q {
  flex: 1 1 auto;
}

.page-faq .faq-qa .panel__body {
  padding: 0 0 18px 42px;
  font-size: 15px;
  line-height: 1.78;
  color: var(--paper-ink);
}

.page-faq .faq-qa .panel__body p {
  margin: 0 0 8px;
}

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

.page-faq .faq-qa .panel__body a {
  color: var(--ink-700);
  text-decoration: none;
  border-bottom: 1px solid var(--copper);
}

.page-faq .faq-qa .panel__body a:hover {
  color: var(--copper);
}

/* ---------- 仍需帮助 ---------- */
.page-faq .faq-help {
  position: relative;
  overflow: hidden;
  background: var(--ink-900);
  color: var(--paper);
  border-radius: var(--radius-lg);
  padding: clamp(22px, 4vw, 42px);
}

.page-faq .faq-help::before {
  content: "";
  position: absolute;
  top: -40%;
  right: -14%;
  width: 55%;
  height: 160%;
  background: linear-gradient(150deg, rgba(192, 138, 78, .26), transparent 70%);
  transform: rotate(-14deg);
  pointer-events: none;
}

.page-faq .faq-help .faq-section__title {
  color: var(--paper);
}

.page-faq .faq-help .faq-section__note {
  color: var(--faq-soft);
}

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

.page-faq .faq-help__grid {
  position: relative;
  z-index: 1;
  display: grid;
  gap: 16px;
  margin-top: 22px;
}

.page-faq .faq-help__item {
  border-left: 2px solid var(--copper);
  padding-left: 14px;
  min-width: 0;
}

.page-faq .faq-help__key {
  display: block;
  margin-bottom: 4px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .16em;
  text-transform: uppercase;
  color: var(--copper-soft);
}

.page-faq .faq-help__item a {
  display: inline-block;
  font-size: 16px;
  color: var(--paper);
  text-decoration: none;
  border-bottom: 1px solid rgba(246, 241, 231, .32);
  word-break: break-all;
  transition: color .22s var(--ease), border-color .22s var(--ease);
}

.page-faq .faq-help__item a:hover {
  color: var(--copper-soft);
  border-bottom-color: var(--copper-soft);
}

.page-faq .faq-help__note {
  position: relative;
  z-index: 1;
  margin: 20px 0 0;
  max-width: 62ch;
  font-size: 15px;
  line-height: 1.78;
  color: var(--faq-soft);
}

.page-faq .faq-help__note a {
  color: var(--copper-soft);
  text-decoration: none;
  border-bottom: 1px solid rgba(217, 178, 124, .5);
}

.page-faq .faq-help__more {
  position: relative;
  z-index: 1;
  margin: 22px 0 0;
}

.page-faq .faq-help__more a {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  min-height: 44px;
  padding: 10px 20px;
  border: 1px solid var(--copper);
  border-radius: 999px;
  color: var(--paper);
  text-decoration: none;
  font-size: 15px;
  transition: background .24s var(--ease), color .24s var(--ease);
}

.page-faq .faq-help__more a::after {
  content: "→";
  font-family: var(--font-mono);
  color: var(--copper-soft);
}

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

/* ---------- 响应式 ---------- */
@media (min-width: 720px) {
  .page-faq .faq-steps {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

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

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

@media (min-width: 820px) {
  .page-faq .faq-ios {
    grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
    gap: 32px;
  }

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

@media (min-width: 900px) {
  .page-faq .faq-shell {
    grid-template-columns: var(--faq-rail) minmax(0, 1fr);
    gap: clamp(32px, 4vw, 64px);
    align-items: start;
  }

  .page-faq .faq-rail {
    position: sticky;
    top: 84px;
    padding: 22px 18px;
  }

  .page-faq .faq-rail__list {
    flex-direction: column;
    gap: 2px;
    overflow: visible;
    padding-bottom: 0;
  }

  .page-faq .faq-rail__link {
    white-space: normal;
    border-color: transparent;
    border-left: 2px solid transparent;
    border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
    padding: 9px 10px;
  }

  .page-faq .faq-rail__link:hover {
    border-color: transparent;
    border-left-color: var(--copper);
  }
}

@media (min-width: 1080px) {
  .page-faq .faq-steps--three {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

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

@media (prefers-reduced-motion: reduce) {
  .page-faq .faq-rail__link,
  .page-faq .faq-help__item a,
  .page-faq .faq-help__more a {
    transition: none;
  }
}
<<<PAGE_CSS_END>>>