.page-faq {
  --faq-panel: rgba(17, 53, 40, 0.55);
  --faq-panel-strong: rgba(17, 53, 40, 0.92);
  --faq-radius: 16px;
  --faq-gap: clamp(14px, 2vw, 22px);
  display: block;
  overflow-x: clip;
  background: var(--ink-950);
  color: var(--text);
  padding-bottom: clamp(48px, 7vw, 96px);
}

.page-faq .breadcrumb {
  padding-top: clamp(14px, 2vw, 22px);
  font-size: 13px;
}

/* ---------- 首屏：控制台式声明 ---------- */
.page-faq .faq-hero {
  position: relative;
  margin-top: clamp(12px, 2vw, 20px);
  padding: clamp(26px, 4vw, 52px) 0 clamp(30px, 4.5vw, 56px);
  border-top: 1px solid var(--line-soft);
  border-bottom: 1px solid var(--line);
  background:
    radial-gradient(120% 100% at 92% -10%, rgba(59, 199, 243, 0.16), transparent 62%),
    radial-gradient(80% 80% at 4% 108%, rgba(216, 255, 62, 0.09), transparent 60%),
    var(--ink-950);
}

.page-faq .faq-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background-image:
    linear-gradient(rgba(189, 245, 217, 0.05) 1px, transparent 1px),
    linear-gradient(90deg, rgba(189, 245, 217, 0.05) 1px, transparent 1px);
  background-size: 64px 64px;
  mask-image: linear-gradient(160deg, rgba(0, 0, 0, 0.9), transparent 72%);
  -webkit-mask-image: linear-gradient(160deg, rgba(0, 0, 0, 0.9), transparent 72%);
}

.page-faq .faq-hero__inner {
  position: relative;
  display: grid;
  gap: clamp(24px, 4vw, 44px);
  align-items: start;
}

.page-faq .faq-hero__lead h1 {
  margin: 10px 0 0;
  font-family: var(--font-display);
  font-size: clamp(32px, 7vw, 60px);
  line-height: 1.08;
  letter-spacing: 0.01em;
  color: var(--paper);
  max-width: 15em;
}

.page-faq .faq-hero__lede {
  margin: 18px 0 0;
  max-width: 46ch;
  font-size: clamp(15px, 1.6vw, 17px);
  line-height: 1.78;
  color: var(--mint);
}

.page-faq .faq-hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 24px;
}

.page-faq .faq-hero__actions .btn {
  min-height: 44px;
}

/* 状态面板 */
.page-faq .faq-status {
  padding: 18px 20px 20px;
  border: 1px solid var(--line);
  border-left: 3px solid var(--blue);
  border-radius: 4px 18px 18px 4px;
  background: linear-gradient(160deg, rgba(10, 36, 27, 0.94), rgba(4, 19, 14, 0.86));
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - 18px), calc(100% - 18px) 100%, 0 100%);
}

.page-faq .faq-status__title {
  margin: 0 0 14px;
  font-size: 11px;
  letter-spacing: 0.18em;
  color: var(--slate);
}

.page-faq .faq-status__row {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 12px;
  padding: 9px 0;
  border-top: 1px dashed var(--line-soft);
}

.page-faq .faq-status__row:first-of-type {
  border-top: 0;
}

.page-faq .faq-status__k {
  font-size: 13px;
  color: var(--slate);
}

.page-faq .faq-status__v {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  font-size: 14px;
  color: var(--lime);
  letter-spacing: 0.02em;
}

.page-faq .status-dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--lime);
  box-shadow: 0 0 0 3px rgba(216, 255, 62, 0.16);
}

/* ---------- 高频问题带 ---------- */
.page-faq .faq-quick {
  padding: clamp(20px, 3vw, 30px) 0;
  background: var(--ink-900);
  border-bottom: 1px solid var(--line-soft);
}

.page-faq .faq-quick__title {
  margin: 0 0 14px;
  font-family: var(--font-body);
  font-size: 14px;
  font-weight: 600;
  letter-spacing: 0.06em;
  color: var(--slate);
}

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

.page-faq .faq-pill {
  display: inline-block;
  padding: 8px 14px;
  border: 1px solid var(--line);
  border-radius: 999px;
  font-size: 13px;
  line-height: 1.4;
  color: var(--mint);
  text-decoration: none;
  transition: border-color 0.18s ease, color 0.18s ease, background 0.18s ease;
}

.page-faq .faq-pill:hover,
.page-faq .faq-pill:focus-visible {
  border-color: var(--line-strong);
  background: rgba(216, 255, 62, 0.08);
  color: var(--lime);
}

/* ---------- 主体：索引 + 问答 ---------- */
.page-faq .faq-body {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(24px, 3.5vw, 44px);
  padding-top: clamp(30px, 4.5vw, 56px);
}

.page-faq .faq-index__title {
  margin: 0 0 12px;
  font-size: 11px;
  letter-spacing: 0.18em;
  color: var(--slate);
}

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

.page-faq .faq-index__list li {
  flex: 0 0 auto;
}

.page-faq .faq-index__link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 9px 13px;
  border: 1px solid var(--line-soft);
  border-radius: 4px;
  background: var(--faq-panel);
  font-size: 13px;
  color: var(--mint);
  text-decoration: none;
  white-space: nowrap;
  transition: border-color 0.18s ease, color 0.18s ease;
}

.page-faq .faq-index__link .mono {
  color: var(--blue);
  font-size: 11px;
}

.page-faq .faq-index__link:hover,
.page-faq .faq-index__link:focus-visible {
  border-color: var(--line-strong);
  color: var(--lime);
}

.page-faq .faq-index__note {
  margin-top: 16px;
  padding: 14px 16px;
  border: 1px dashed var(--line);
  border-radius: var(--faq-radius);
  background: rgba(4, 19, 14, 0.6);
}

.page-faq .faq-index__note-k {
  margin: 0 0 6px;
  font-size: 12px;
  color: var(--amber);
}

.page-faq .faq-index__mail {
  margin: 0 0 10px;
  font-size: 12px;
  line-height: 1.5;
  word-break: break-all;
  color: var(--mint);
}

.page-faq .copy-btn {
  padding: 6px 12px;
  border: 1px solid var(--line-strong);
  border-radius: 4px;
  background: transparent;
  font-family: var(--font-body);
  font-size: 12px;
  color: var(--lime);
  cursor: pointer;
  transition: background 0.18s ease, color 0.18s ease;
}

.page-faq .copy-btn:hover,
.page-faq .copy-btn:focus-visible {
  background: var(--lime);
  color: var(--ink-950);
}

.page-faq .copy-btn[data-copied] {
  border-color: var(--lime);
  background: var(--lime);
  color: var(--ink-950);
}

/* ---------- 分类区块 ---------- */
.page-faq .faq-content {
  display: grid;
  gap: clamp(28px, 4vw, 48px);
  min-width: 0;
}

.page-faq .faq-cat {
  padding-top: clamp(4px, 1vw, 10px);
  scroll-margin-top: 90px;
}

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

.page-faq .faq-cat__no {
  flex: 0 0 auto;
  padding: 3px 8px;
  border-radius: 3px;
  background: rgba(216, 255, 62, 0.12);
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--lime);
}

.page-faq .faq-cat__title {
  margin: 0;
  font-family: var(--font-body);
  font-size: clamp(18px, 2.4vw, 24px);
  font-weight: 800;
  line-height: 1.4;
  color: var(--paper);
}

.page-faq .faq-cat__intro {
  margin: 14px 0 0;
  max-width: 62ch;
  font-size: 15px;
  line-height: 1.78;
  color: var(--mint);
}

.page-faq .faq-cat--support .faq-cat__head {
  border-bottom-color: var(--line-strong);
}

/* 图位 */
.page-faq .faq-figure {
  margin: 20px 0 4px;
  border: 1px solid var(--line-soft);
  border-radius: var(--faq-radius);
  background: var(--ink-800);
  overflow: hidden;
}

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

.page-faq .faq-figure .img-frame__label {
  padding: 10px 14px;
  font-family: var(--font-mono);
  font-size: 11px;
  line-height: 1.6;
  color: var(--slate);
}

/* ---------- 手风琴 ---------- */
.page-faq .faq-list {
  display: grid;
  gap: 10px;
  margin-top: 18px;
}

.page-faq .faq-item {
  border: 1px solid var(--line-soft);
  border-left: 2px solid transparent;
  border-radius: 4px 14px 14px 4px;
  background: linear-gradient(180deg, var(--faq-panel), rgba(10, 36, 27, 0.5));
  transition: border-color 0.2s ease, background 0.2s ease;
}

.page-faq .faq-item:hover {
  border-color: var(--line);
}

.page-faq .faq-item[open] {
  border-left-color: var(--lime);
  background: var(--faq-panel-strong);
}

.page-faq .faq-item__q {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
  padding: 15px 16px;
  cursor: pointer;
  list-style: none;
}

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

.page-faq .faq-item__q-text {
  font-size: 15px;
  font-weight: 600;
  line-height: 1.55;
  color: var(--paper);
}

.page-faq .faq-item[open] .faq-item__q-text {
  color: var(--lime);
}

.page-faq .faq-item__icon {
  position: relative;
  flex: 0 0 auto;
  width: 18px;
  height: 18px;
  border: 1px solid var(--line);
  border-radius: 3px;
  transition: border-color 0.2s ease, transform 0.2s ease;
}

.page-faq .faq-item__icon::before,
.page-faq .faq-item__icon::after {
  content: "";
  position: absolute;
  top: 50%;
  left: 50%;
  background: var(--mint);
  transform: translate(-50%, -50%);
  transition: opacity 0.2s ease, background 0.2s ease;
}

.page-faq .faq-item__icon::before {
  width: 9px;
  height: 1.5px;
}

.page-faq .faq-item__icon::after {
  width: 1.5px;
  height: 9px;
}

.page-faq .faq-item[open] .faq-item__icon {
  border-color: var(--line-strong);
  transform: rotate(90deg);
}

.page-faq .faq-item[open] .faq-item__icon::before,
.page-faq .faq-item[open] .faq-item__icon::after {
  background: var(--lime);
}

.page-faq .faq-item[open] .faq-item__icon::after {
  opacity: 0;
}

.page-faq .faq-item__a {
  padding: 0 16px 16px;
  font-size: 14.5px;
  line-height: 1.8;
  color: var(--mint);
}

.page-faq .faq-item__a p {
  margin: 0 0 10px;
  max-width: 64ch;
}

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

.page-faq .faq-item__a .btn--quiet {
  margin-top: 4px;
}

/* 步骤与提示列表 */
.page-faq .faq-steps {
  margin: 10px 0 0;
  padding: 0;
  list-style: none;
  counter-reset: faqstep;
  display: grid;
  gap: 8px;
}

.page-faq .faq-steps li {
  position: relative;
  padding: 8px 10px 8px 40px;
  border-left: 1px solid var(--line-strong);
  background: rgba(59, 199, 243, 0.06);
  border-radius: 0 8px 8px 0;
  font-size: 14px;
  color: var(--text);
  counter-increment: faqstep;
}

.page-faq .faq-steps li::before {
  content: counter(faqstep, decimal-leading-zero);
  position: absolute;
  left: 10px;
  top: 9px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.05em;
  color: var(--blue);
}

.page-faq .faq-warn {
  margin: 10px 0 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 7px;
}

.page-faq .faq-warn li {
  position: relative;
  padding-left: 20px;
  font-size: 14px;
  line-height: 1.7;
  color: var(--text);
}

.page-faq .faq-warn li::before {
  content: "";
  position: absolute;
  left: 4px;
  top: 0.68em;
  width: 7px;
  height: 7px;
  border-radius: 50%;
  border: 1px solid var(--amber);
}

/* ---------- 咨询准备清单 ---------- */
.page-faq .faq-checklist {
  margin: 20px 0 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 10px;
  grid-template-columns: minmax(0, 1fr);
}

.page-faq .faq-checklist li {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  align-items: baseline;
  gap: 4px 12px;
  padding: 13px 15px;
  border: 1px solid var(--line-soft);
  border-radius: 10px;
  background: rgba(17, 53, 40, 0.5);
  font-size: 14px;
  line-height: 1.7;
  color: var(--slate);
}

.page-faq .faq-checklist li .mono {
  grid-row: span 2;
  align-self: start;
  padding-top: 2px;
  font-size: 11px;
  color: var(--blue);
}

.page-faq .faq-checklist li strong {
  display: block;
  font-size: 15px;
  font-weight: 700;
  color: var(--paper);
}

/* ---------- 联系卡 ---------- */
.page-faq .faq-contact {
  display: grid;
  gap: 12px;
  margin-top: 26px;
  grid-template-columns: minmax(0, 1fr);
}

.page-faq .faq-contact__card {
  padding: 16px 18px;
  border: 1px solid var(--line);
  border-top: 3px solid var(--blue);
  border-radius: 4px 14px 14px 14px;
  background: linear-gradient(170deg, rgba(17, 53, 40, 0.9), rgba(4, 19, 14, 0.75));
}

.page-faq .faq-contact__card--wide {
  border-top-color: var(--lime);
}

.page-faq .faq-contact__k {
  margin: 0 0 8px;
  font-size: 11px;
  letter-spacing: 0.16em;
  color: var(--slate);
}

.page-faq .faq-contact__v {
  margin: 0 0 12px;
  font-size: 15px;
  line-height: 1.55;
  word-break: break-word;
  color: var(--paper);
}

.page-faq .faq-contact__note {
  margin: 0;
  font-size: 13px;
  line-height: 1.7;
  color: var(--slate);
}

.page-faq .faq-support__more {
  margin: 22px 0 0;
  font-size: 14.5px;
  line-height: 1.8;
  color: var(--slate);
}

.page-faq .faq-support__more a {
  color: var(--blue);
  text-decoration: none;
  border-bottom: 1px solid rgba(59, 199, 243, 0.4);
}

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

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

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

  .page-faq .faq-contact__card--wide {
    grid-column: 1 / -1;
  }
}

@media (min-width: 960px) {
  .page-faq .faq-hero__inner {
    grid-template-columns: minmax(0, 1.55fr) minmax(260px, 0.85fr);
    align-items: center;
  }

  .page-faq .faq-body {
    grid-template-columns: 264px minmax(0, 1fr);
    align-items: start;
  }

  .page-faq .faq-index {
    position: sticky;
    top: 96px;
    padding-right: 12px;
    border-right: 1px solid var(--line-soft);
  }

  .page-faq .faq-index__list {
    flex-direction: column;
    overflow-x: visible;
    padding-bottom: 0;
  }

  .page-faq .faq-index__list li {
    flex: 0 0 auto;
  }

  .page-faq .faq-index__link {
    width: 100%;
    white-space: normal;
    border-color: transparent;
    background: transparent;
    padding: 8px 10px;
  }

  .page-faq .faq-index__link:hover,
  .page-faq .faq-index__link:focus-visible {
    background: var(--faq-panel);
    border-color: var(--line);
  }

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

  .page-faq .faq-item__a {
    padding: 0 20px 18px;
  }

  .page-faq .faq-cat {
    scroll-margin-top: 104px;
  }
}

@media (min-width: 1140px) {
  .page-faq .faq-checklist {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-faq .faq-pill,
  .page-faq .faq-index__link,
  .page-faq .faq-item,
  .page-faq .faq-item__icon,
  .page-faq .copy-btn {
    transition: none;
  }

  .page-faq .faq-item[open] .faq-item__icon {
    transform: none;
  }
}
<<<END>>>