.page-faq {
  --faq-line: #2A3442;
  --faq-soft: #0d1622;
  --faq-gap: clamp(20px, 3vw, 40px);
  color: var(--paper);
}

.page-faq .container {
  position: relative;
}

.page-faq a {
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px solid rgba(55, 230, 212, 0.35);
  transition: color 0.18s var(--ease), border-color 0.18s var(--ease);
}

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

.page-faq .breadcrumb {
  padding-top: 18px;
}

/* ---------- 首屏 ---------- */
.page-faq .faq-hero {
  position: relative;
  padding: clamp(26px, 4vw, 54px) 0 clamp(26px, 4vw, 46px);
  border-bottom: 1px solid var(--faq-line);
}

.page-faq .faq-hero::before {
  content: "";
  position: absolute;
  left: 0;
  bottom: -1px;
  width: clamp(64px, 12vw, 160px);
  height: 2px;
  background: var(--orange);
}

.page-faq .faq-hero__grid {
  display: grid;
  gap: clamp(22px, 3vw, 36px);
  align-items: start;
}

.page-faq .faq-hero__title {
  margin: 10px 0 0;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(30px, 6vw, 54px);
  line-height: 1.16;
  letter-spacing: 0.005em;
  color: var(--paper);
}

.page-faq .faq-hero__lede {
  margin: 16px 0 0;
  max-width: 62ch;
  font-size: 15px;
  line-height: 1.85;
  color: var(--paper-dim);
}

.page-faq .faq-hero__panel {
  background: var(--ink-800);
  border: 1px solid var(--faq-line);
  border-top: 2px solid var(--cyan);
  padding: 18px clamp(16px, 2.4vw, 22px) 20px;
}

.page-faq .faq-hero__panelTitle {
  margin: 0 0 14px;
  font-size: var(--fs-index);
  letter-spacing: 0.16em;
  color: var(--cyan);
}

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

.page-faq .faq-quick li {
  display: grid;
  grid-template-columns: 10px minmax(0, 1fr);
  gap: 10px;
  align-items: start;
  font-size: 13.5px;
  line-height: 1.7;
  color: var(--paper-dim);
}

.page-faq .faq-quick .dot {
  margin-top: 7px;
}

/* ---------- 双列：目录 + 答案 ---------- */
.page-faq .faq-body {
  display: grid;
  gap: var(--faq-gap);
  padding: clamp(24px, 4vw, 50px) 0 clamp(40px, 6vw, 80px);
}

.page-faq .faq-index__label {
  margin: 0 0 10px;
  font-size: var(--fs-index);
  letter-spacing: 0.16em;
  color: var(--steel);
}

.page-faq .faq-index__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(150px, 1fr));
  gap: 2px;
}

.page-faq .faq-index__link {
  display: grid;
  grid-template-columns: 24px minmax(0, 1fr);
  gap: 8px;
  align-items: baseline;
  padding: 9px 10px;
  border: 0;
  border-left: 2px solid var(--faq-line);
  color: var(--paper-dim);
  font-size: 13.5px;
  line-height: 1.5;
  transition: color 0.18s var(--ease), border-color 0.18s var(--ease), background 0.18s var(--ease);
}

.page-faq .faq-index__link .mono {
  color: var(--steel);
  font-size: 11px;
  letter-spacing: 0.06em;
}

.page-faq .faq-index__link:hover,
.page-faq .faq-index__link:focus-visible {
  color: var(--paper);
  background: var(--faq-soft);
  border-left-color: var(--cyan);
  border-bottom: 0;
}

.page-faq .faq-index__link[aria-current="true"] {
  color: var(--orange);
  background: var(--faq-soft);
  border-left-color: var(--orange);
}

.page-faq .faq-index__link[aria-current="true"] .mono {
  color: var(--orange);
}

.page-faq .faq-answers {
  min-width: 0;
}

/* ---------- 章节 ---------- */
.page-faq .faq-sec {
  border-top: 1px solid var(--faq-line);
  padding-top: clamp(18px, 2.4vw, 28px);
}

.page-faq .faq-sec + .faq-sec {
  margin-top: clamp(28px, 4vw, 52px);
}

.page-faq .faq-sec__head {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: 4px 12px;
  align-items: baseline;
  margin-bottom: 14px;
}

.page-faq .faq-sec__idx {
  font-size: var(--fs-index);
  color: var(--orange);
  letter-spacing: 0.08em;
}

.page-faq .faq-sec__title {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(20px, 2.6vw, 30px);
  line-height: 1.24;
  color: var(--paper);
}

.page-faq .faq-sec__note {
  grid-column: 2;
  margin: 0;
  font-size: var(--fs-small);
  line-height: 1.6;
  color: var(--steel);
}

.page-faq .faq-sec__body > p {
  margin: 0 0 14px;
  font-size: 14.5px;
  line-height: 1.85;
  color: var(--paper-dim);
}

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

/* ---------- 展开条目 ---------- */
.page-faq .faq-item {
  background: var(--ink-800);
  border: 1px solid var(--faq-line);
  transition: border-color 0.18s var(--ease), box-shadow 0.18s var(--ease);
}

.page-faq .faq-item + .faq-item {
  margin-top: 10px;
}

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

.page-faq .faq-item[open] {
  border-color: var(--ink-700);
  box-shadow: inset 3px 0 0 var(--orange);
}

.page-faq .faq-item summary {
  display: flex;
  gap: 12px;
  align-items: baseline;
  padding: 14px 16px;
  cursor: pointer;
  list-style: none;
}

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

.page-faq .faq-item summary:focus-visible {
  outline: 2px solid var(--cyan);
  outline-offset: 2px;
}

.page-faq .faq-item summary::after {
  content: "+";
  margin-left: auto;
  font-family: var(--font-mono);
  font-size: 18px;
  line-height: 1;
  color: var(--steel);
}

.page-faq .faq-item[open] summary::after {
  content: "−";
  color: var(--orange);
}

.page-faq .faq-item__num {
  font-size: 11px;
  letter-spacing: 0.08em;
  color: var(--cyan);
}

.page-faq .faq-item[open] .faq-item__num {
  color: var(--orange);
}

.page-faq .faq-item__q > span:last-child {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(16px, 1.7vw, 20px);
  line-height: 1.4;
  color: var(--paper);
}

.page-faq .faq-item__body {
  padding: 0 16px 18px 42px;
}

.page-faq .faq-item__body p {
  margin: 0 0 10px;
  font-size: 14.5px;
  line-height: 1.85;
  color: var(--paper-dim);
}

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

/* ---------- 列表与步骤 ---------- */
.page-faq .faq-bullets {
  list-style: none;
  margin: 0 0 12px;
  padding: 0;
  display: grid;
  gap: 10px;
}

.page-faq .faq-bullets li {
  position: relative;
  padding-left: 18px;
  font-size: 14px;
  line-height: 1.8;
  color: var(--paper-dim);
}

.page-faq .faq-bullets li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 10px;
  width: 7px;
  height: 7px;
  background: var(--steel);
}

.page-faq .faq-bullets strong {
  color: var(--paper);
  font-weight: 600;
}

.page-faq .faq-steps {
  list-style: none;
  margin: 4px 0 14px;
  padding: 0;
  display: grid;
  gap: 12px;
}

.page-faq .faq-steps li {
  display: grid;
  grid-template-columns: 26px minmax(0, 1fr);
  gap: 12px;
  align-items: start;
  font-size: 14px;
  line-height: 1.8;
  color: var(--paper-dim);
}

.page-faq .faq-steps__n {
  display: grid;
  place-items: center;
  width: 26px;
  height: 26px;
  background: var(--cyan);
  color: var(--ink-950);
  font-size: 12px;
  font-weight: 600;
}

/* ---------- 状态图例 ---------- */
.page-faq .faq-legend {
  list-style: none;
  margin: 16px 0 18px;
  padding: 0;
  display: grid;
  gap: 12px;
}

.page-faq .faq-legend li {
  display: grid;
  grid-template-columns: 10px minmax(0, 1fr);
  gap: 12px;
  align-items: start;
  padding-bottom: 12px;
  border-bottom: 1px solid var(--faq-line);
  font-size: 14px;
  line-height: 1.8;
  color: var(--paper-dim);
}

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

.page-faq .faq-legend .dot {
  margin-top: 8px;
}

.page-faq .faq-legend strong {
  color: var(--paper);
  font-weight: 600;
}

/* ---------- 图片 ---------- */
.page-faq .media-frame {
  margin: 16px 0 4px;
}

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

/* ---------- 联系面板 ---------- */
.page-faq .faq-contact {
  display: grid;
  gap: 20px;
  margin-top: 18px;
  padding: clamp(16px, 2.4vw, 24px);
  background: var(--ink-800);
  border: 1px solid var(--faq-line);
  border-left: 3px solid var(--orange);
}

.page-faq .faq-contact__title {
  margin: 0 0 12px;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 17px;
  color: var(--paper);
}

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

.page-faq .faq-contact__list dt {
  font-size: 11px;
  letter-spacing: 0.12em;
  color: var(--steel);
  margin-bottom: 2px;
}

.page-faq .faq-contact__list dd {
  margin: 0 0 14px;
  font-size: 14px;
  line-height: 1.7;
  color: var(--paper);
  word-break: break-word;
}

.page-faq .faq-contact__list dd:last-of-type {
  margin-bottom: 0;
}

.page-faq .faq-contact__more {
  margin: 14px 0 0;
  font-size: 13px;
  line-height: 1.8;
  color: var(--paper-dim);
}

/* ---------- 响应式 ---------- */
@media (min-width: 760px) {
  .page-faq .faq-hero__grid {
    grid-template-columns: minmax(0, 1.45fr) minmax(0, 0.85fr);
  }

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

@media (min-width: 960px) {
  .page-faq .faq-body {
    grid-template-columns: 236px minmax(0, 1fr);
    align-items: start;
  }

  .page-faq .faq-index {
    position: sticky;
    top: calc(var(--header-h) + 18px);
    padding-top: 4px;
    border-left: 1px solid var(--faq-line);
    padding-left: 2px;
  }

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

  .page-faq .faq-item summary {
    padding: 16px 20px;
  }

  .page-faq .faq-item__body {
    padding: 0 20px 20px 52px;
  }
}

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