.page-faq {
  --faq-rule-soft: rgba(201, 209, 217, 0.18);
  --faq-pad-x: clamp(14px, 2.4vw, 24px);
  background: var(--ink);
  color: var(--text-hi);
  padding-bottom: clamp(56px, 8vw, 104px);
}

/* ---------- 首屏 ---------- */
.page-faq .faq-hero {
  padding-block: clamp(22px, 4vw, 44px) clamp(10px, 2vw, 18px);
}

.page-faq .faq-hero__inner {
  display: grid;
  gap: clamp(20px, 3.5vw, 40px);
}

.page-faq .faq-hero__eyebrow {
  color: var(--gold);
  margin: 0 0 14px;
}

.page-faq .faq-hero__title {
  margin: 0;
  font-size: clamp(30px, 6.4vw, 66px);
  line-height: 1;
  letter-spacing: -0.02em;
  font-weight: 900;
  max-width: 17ch;
  color: var(--text-hi);
}

.page-faq .faq-hero__meta {
  display: flex;
  align-items: baseline;
  gap: 10px;
  margin: 18px 0 0;
  padding: 8px 0 8px 12px;
  border-left: 3px solid var(--gold);
  font-size: 13px;
  color: var(--silver);
}

.page-faq .faq-hero__meta .mono {
  color: var(--cyan);
  font-size: 14px;
  letter-spacing: 0.08em;
}

.page-faq .faq-hero__sub {
  margin: 18px 0 0;
  max-width: 34em;
  font-size: clamp(15px, 1.5vw, 17px);
  line-height: 1.9;
  color: var(--silver);
}

.page-faq .faq-hero__figure {
  position: relative;
  margin: 0;
  border: 2px solid var(--gold-line);
  background: var(--panel);
  box-shadow: var(--shadow-hard);
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - 32px), calc(100% - 32px) 100%, 0 100%);
  overflow: hidden;
}

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

/* ---------- 主体两栏 ---------- */
.page-faq .faq-body {
  margin-top: clamp(26px, 4vw, 52px);
}

/* ---------- 目录 ---------- */
.page-faq .faq-toc {
  border-top: 2px solid var(--gold-line);
  padding-top: 14px;
}

.page-faq .faq-toc__title {
  margin: 0 0 12px;
  color: var(--silver-dim);
}

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

.page-faq .faq-toc__item {
  flex: none;
}

.page-faq .faq-toc__link {
  display: inline-flex;
  align-items: baseline;
  gap: 8px;
  padding: 9px 12px;
  white-space: nowrap;
  font-size: 14px;
  color: var(--silver);
  text-decoration: none;
  border: 1px solid var(--faq-rule-soft);
  transition: color 0.2s var(--ease), background 0.2s var(--ease),
    border-color 0.2s var(--ease);
}

.page-faq .faq-toc__num {
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--gold-line);
}

.page-faq .faq-toc__link:hover,
.page-faq .faq-toc__link:focus-visible {
  color: var(--ink);
  background: var(--gold);
  border-color: var(--gold);
}

.page-faq .faq-toc__link:hover .faq-toc__num,
.page-faq .faq-toc__link:focus-visible .faq-toc__num {
  color: var(--ink);
}

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

.page-faq .faq-toc__note a {
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px solid transparent;
}

.page-faq .faq-toc__note a:hover {
  border-bottom-color: var(--cyan);
}

/* ---------- 分组 ---------- */
.page-faq .faq-main {
  margin-top: clamp(20px, 3vw, 32px);
}

.page-faq .faq-group {
  padding-block: clamp(22px, 3.6vw, 42px);
  border-top: 2px solid var(--gold-line);
  scroll-margin-top: 20px;
}

.page-faq .faq-group__head {
  display: flex;
  align-items: flex-start;
  gap: clamp(12px, 2vw, 20px);
}

.page-faq .faq-group__num {
  flex: none;
  font-size: clamp(38px, 7vw, 68px);
  line-height: 0.78;
  font-weight: 600;
  color: var(--gold-line);
  letter-spacing: -0.03em;
}

.page-faq .faq-group__title {
  margin: 0;
  font-size: clamp(22px, 3.1vw, 32px);
  line-height: 1.12;
  letter-spacing: -0.01em;
  font-weight: 900;
}

.page-faq .faq-group__desc {
  margin: 8px 0 0;
  max-width: 34em;
  font-size: 15px;
  line-height: 1.75;
  color: var(--silver-dim);
}

/* ---------- 分组内配图 ---------- */
.page-faq .faq-figure {
  margin: clamp(16px, 2.6vw, 26px) 0 0;
  border: 2px solid var(--gold-line);
  background: var(--panel);
  overflow: hidden;
}

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

.page-faq .faq-figure__cap {
  padding: 10px 14px;
  border-top: 1px solid var(--faq-rule-soft);
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--silver-dim);
}

/* ---------- 问答折叠 ---------- */
.page-faq .faq-list {
  margin-top: clamp(16px, 2.4vw, 26px);
  display: grid;
  gap: 10px;
}

.page-faq .faq-item {
  background: var(--panel);
  border: 1px solid var(--faq-rule-soft);
  border-left: 4px solid transparent;
  transition: border-color 0.22s var(--ease), background 0.22s var(--ease);
}

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

.page-faq .faq-item[open] {
  background: var(--panel-2);
  border-left-color: var(--gold);
}

.page-faq .faq-q {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 16px;
  padding: 14px var(--faq-pad-x);
  cursor: pointer;
  list-style: none;
  font-size: clamp(15px, 1.6vw, 17px);
  font-weight: 700;
  line-height: 1.55;
  color: var(--text-hi);
}

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

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

.page-faq .faq-q__icon {
  position: relative;
  flex: none;
  width: 20px;
  height: 20px;
  margin-top: 3px;
  border: 1px solid var(--gold-line);
  background: rgba(10, 12, 15, 0.4);
}

.page-faq .faq-q__icon::before,
.page-faq .faq-q__icon::after {
  content: "";
  position: absolute;
  background: var(--gold);
  transition: transform 0.22s var(--ease), opacity 0.22s var(--ease);
}

.page-faq .faq-q__icon::before {
  top: 50%;
  left: 4px;
  right: 4px;
  height: 2px;
  transform: translateY(-50%);
}

.page-faq .faq-q__icon::after {
  left: 50%;
  top: 4px;
  bottom: 4px;
  width: 2px;
  transform: translateX(-50%);
}

.page-faq .faq-item[open] .faq-q__icon::after {
  transform: translateX(-50%) scaleY(0);
  opacity: 0;
}

.page-faq .faq-a {
  padding: 0 var(--faq-pad-x) 16px;
}

.page-faq .faq-a p {
  margin: 0;
  max-width: 34em;
  font-size: 15px;
  line-height: 1.85;
  color: var(--silver);
}

.page-faq .faq-item[open] .faq-a {
  animation: faq-fade-in 0.26s var(--ease);
}

@keyframes faq-fade-in {
  from {
    opacity: 0;
    transform: translateY(-6px);
  }
  to {
    opacity: 1;
    transform: none;
  }
}

/* ---------- 路径提示 ---------- */
.page-faq .faq-path {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 6px;
  margin: 14px 0 0;
  padding-top: 10px;
  border-top: 1px dashed var(--faq-rule-soft);
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.02em;
  color: var(--silver-dim);
}

.page-faq .faq-path .mono {
  color: var(--gold);
  letter-spacing: 0.1em;
}

.page-faq .faq-path a {
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: border-color 0.2s var(--ease), color 0.2s var(--ease);
}

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

/* ---------- 石墨底分组 ---------- */
.page-faq .faq-group--panel {
  background: var(--ink-2);
  padding-inline: var(--faq-pad-x);
  border-top-color: var(--gold-line);
}

/* ---------- 暖纸色分组 ---------- */
.page-faq .faq-group--paper {
  background: var(--paper);
  color: var(--paper-ink);
  padding-inline: var(--faq-pad-x);
  border-top-color: var(--paper-ink);
}

.page-faq .faq-group--paper .faq-group__num {
  color: var(--gold-line);
}

.page-faq .faq-group--paper .faq-group__title {
  color: var(--paper-ink);
}

.page-faq .faq-group--paper .faq-group__desc {
  color: #4c463a;
}

.page-faq .faq-group--paper .faq-item {
  background: rgba(27, 26, 23, 0.045);
  border-color: rgba(27, 26, 23, 0.2);
  border-left-color: transparent;
}

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

.page-faq .faq-group--paper .faq-item[open] {
  background: rgba(27, 26, 23, 0.085);
  border-left-color: var(--gold-line);
}

.page-faq .faq-group--paper .faq-q {
  color: var(--paper-ink);
}

.page-faq .faq-group--paper .faq-q__icon {
  background: transparent;
  border-color: var(--gold-line);
}

.page-faq .faq-group--paper .faq-q__icon::before,
.page-faq .faq-group--paper .faq-q__icon::after {
  background: var(--gold-line);
}

.page-faq .faq-group--paper .faq-a p {
  color: #3a362e;
}

.page-faq .faq-group--paper .faq-path {
  color: #5a5347;
  border-top-color: rgba(27, 26, 23, 0.24);
}

.page-faq .faq-group--paper .faq-path .mono {
  color: var(--gold-line);
}

.page-faq .faq-group--paper .faq-path a {
  color: var(--teal);
}

.page-faq .faq-group--paper .faq-path a:hover,
.page-faq .faq-group--paper .faq-path a:focus-visible {
  border-bottom-color: var(--teal);
}

/* ---------- 联系卡片 ---------- */
.page-faq .faq-contact {
  margin-top: clamp(16px, 2.4vw, 26px);
  padding: clamp(16px, 2.4vw, 24px);
  border: 2px solid var(--paper-ink);
  background: rgba(255, 255, 255, 0.45);
}

.page-faq .faq-contact__title {
  margin: 0 0 14px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.12em;
  color: var(--gold-line);
}

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

.page-faq .faq-contact__row {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px 12px;
  padding-bottom: 10px;
  border-bottom: 1px dashed rgba(27, 26, 23, 0.24);
}

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

.page-faq .faq-contact__key {
  flex: none;
  min-width: 5.5em;
  font-size: 11px;
  letter-spacing: 0.14em;
  color: #6b6353;
}

.page-faq .faq-contact__val {
  flex: 1 1 12em;
  min-width: 0;
  font-size: 15px;
  line-height: 1.6;
  color: var(--paper-ink);
  word-break: break-word;
}

.page-faq .faq-copy {
  flex: none;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.1em;
  padding: 5px 10px;
  border: 1px solid var(--gold-line);
  background: transparent;
  color: var(--paper-ink);
  cursor: pointer;
  transition: background 0.2s var(--ease), color 0.2s var(--ease),
    border-color 0.2s var(--ease);
}

.page-faq .faq-copy:hover,
.page-faq .faq-copy:focus-visible {
  background: var(--gold);
  border-color: var(--gold);
  color: var(--ink);
}

.page-faq .faq-copy[data-copied] {
  background: var(--teal);
  border-color: var(--teal);
  color: var(--paper);
}

.page-faq .faq-note {
  margin: 16px 0 0;
  font-size: 12px;
  line-height: 1.8;
  color: #4c463a;
}

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

/* ---------- 桌面 ---------- */
@media (min-width: 960px) {
  .page-faq .faq-hero__inner {
    grid-template-columns: minmax(0, 1.05fr) minmax(0, 0.95fr);
    align-items: end;
  }

  .page-faq .faq-hero__figure {
    margin-bottom: 6px;
  }

  .page-faq .faq-body {
    display: grid;
    grid-template-columns: 210px minmax(0, 1fr);
    gap: clamp(28px, 4vw, 60px);
    align-items: start;
  }

  .page-faq .faq-toc {
    position: sticky;
    top: 24px;
  }

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

  .page-faq .faq-toc__link {
    width: 100%;
    border: 0;
    border-left: 2px solid var(--faq-rule-soft);
    padding: 11px 0 11px 16px;
    justify-content: flex-start;
    font-size: 15px;
  }

  .page-faq .faq-toc__link:hover,
  .page-faq .faq-toc__link:focus-visible {
    background: transparent;
    color: var(--gold);
    border-left-color: var(--gold);
  }

  .page-faq .faq-toc__link:hover .faq-toc__num,
  .page-faq .faq-toc__link:focus-visible .faq-toc__num {
    color: var(--gold);
  }

  .page-faq .faq-main {
    margin-top: 0;
  }

  .page-faq .faq-group__num {
    margin-left: -6px;
  }

  .page-faq .faq-figure {
    display: grid;
    grid-template-columns: minmax(0, 1fr) 200px;
    align-items: stretch;
  }

  .page-faq .faq-figure__cap {
    display: flex;
    align-items: center;
    border-top: 0;
    border-left: 1px solid var(--faq-rule-soft);
    line-height: 1.7;
  }

  .page-faq .faq-contact__list {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    column-gap: clamp(20px, 3vw, 40px);
  }

  .page-faq .faq-contact__row:nth-last-child(-n + 1) {
    grid-column: 1 / -1;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-faq .faq-item[open] .faq-a {
    animation: none;
  }

  .page-faq .faq-q__icon::before,
  .page-faq .faq-q__icon::after,
  .page-faq .faq-item,
  .page-faq .faq-toc__link,
  .page-faq .faq-copy {
    transition: none;
  }
}
<<<END>>>