.page-faq {
  background: var(--ink-0);
  color: var(--text);
  font-family: var(--font-body);
  padding-bottom: clamp(64px, 10vw, 128px);
  overflow-x: hidden;
}

.page-faq .wrap {
  width: 100%;
  max-width: var(--wrap);
  margin: 0 auto;
  padding-inline: var(--gutter);
}

.page-faq .breadcrumbs {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  align-items: center;
  font-size: 13px;
  letter-spacing: 0.04em;
  color: var(--muted);
  padding-top: clamp(28px, 5vw, 48px);
  margin-bottom: clamp(20px, 4vw, 36px);
}

.page-faq .breadcrumbs a {
  color: var(--muted);
  text-decoration: none;
  transition: color 0.18s ease;
}

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

.page-faq .breadcrumbs .sep {
  color: var(--edge);
}

/* ---------- 首屏 ---------- */

.page-faq .faq-hero-inner {
  max-width: 940px;
}

.page-faq .faq-hero-kicker {
  margin: 0 0 14px;
  font-size: 12px;
  letter-spacing: 0.24em;
  color: var(--cyan);
  text-transform: uppercase;
}

.page-faq .faq-hero-title {
  margin: 0 0 20px;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(36px, 8vw, 68px);
  line-height: 1.04;
  letter-spacing: 0.02em;
}

.page-faq .faq-hero-lede {
  max-width: 62ch;
  font-size: clamp(16px, 2vw, 18px);
  line-height: 1.8;
  color: var(--muted);
}

.page-faq .faq-hero-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 12px 28px;
  margin: clamp(24px, 4vw, 36px) 0 0;
  padding: 0;
  list-style: none;
  font-size: 14px;
  color: var(--muted);
}

.page-faq .faq-hero-meta .data-mono {
  color: var(--amber);
  font-size: 15px;
  margin-right: 4px;
}

/* ---------- 列表区 ---------- */

.page-faq .faq-stack {
  padding-top: clamp(36px, 6vw, 64px);
}

.page-faq .faq-stack-media {
  margin: 0 0 clamp(32px, 5vw, 52px);
  border-radius: var(--radius-xl);
  overflow: hidden;
  border: 1px solid rgba(31, 111, 122, 0.4);
}

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

.page-faq .faq-jump {
  display: flex;
  flex-wrap: wrap;
  gap: 10px 24px;
  margin-bottom: 22px;
  font-size: 14px;
}

.page-faq .faq-jump a {
  color: var(--muted);
  text-decoration: none;
  padding-bottom: 3px;
  border-bottom: 1px solid transparent;
  transition: color 0.18s ease, border-color 0.18s ease;
}

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

.page-faq .faq-jump .data-mono {
  color: var(--edge);
  margin-right: 6px;
}

.page-faq .faq-jump a:hover .data-mono {
  color: var(--cyan);
}

/* 筛选 */

.page-faq .filter-bar {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-bottom: 26px;
}

.page-faq .filter-chip {
  appearance: none;
  font-family: var(--font-body);
  font-size: 14px;
  letter-spacing: 0.02em;
  color: var(--muted);
  background: var(--panel);
  border: 1px solid var(--edge);
  border-radius: var(--radius-pill);
  padding: 9px 18px;
  cursor: pointer;
  transition: color 0.18s ease, background-color 0.18s ease, border-color 0.18s ease;
}

.page-faq .filter-chip:hover {
  color: var(--text);
  border-color: var(--violet);
}

.page-faq .filter-chip:focus-visible {
  outline: 2px solid var(--violet);
  outline-offset: 2px;
}

.page-faq .filter-chip.is-active,
.page-faq .filter-chip[aria-pressed="true"] {
  color: var(--ink-0);
  background: var(--cyan);
  border-color: var(--cyan);
  font-weight: 500;
}

.page-faq .filter-empty {
  display: none;
  margin: 0 0 26px;
  padding: 18px 22px;
  border-radius: var(--radius-md);
  background: var(--ink-1);
  border: 1px solid rgba(255, 107, 87, 0.35);
  color: var(--muted);
  font-size: 15px;
  line-height: 1.7;
}

.page-faq .filter-empty.is-visible {
  display: block;
}

/* 分类 */

.page-faq .faq-cat {
  padding-block: clamp(28px, 4.5vw, 48px);
  border-top: 1px solid rgba(31, 111, 122, 0.35);
  min-width: 0;
  scroll-margin-top: 96px;
}

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

.page-faq .faq-cat-head {
  display: flex;
  flex-direction: column;
  gap: 8px;
  margin-bottom: 20px;
}

.page-faq .faq-cat-index {
  font-size: 13px;
  letter-spacing: 0.2em;
  color: var(--cyan);
}

.page-faq .faq-cat-head h2 {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(24px, 4.2vw, 34px);
  line-height: 1.2;
  letter-spacing: 0.02em;
}

.page-faq .faq-cat-note {
  margin: 0;
  max-width: 52ch;
  font-size: 15px;
  line-height: 1.7;
  color: var(--muted);
}

/* 折叠条目 */

.page-faq .faq-list {
  display: grid;
  gap: 12px;
  min-width: 0;
}

.page-faq .faq-item {
  background: var(--panel);
  border: 1px solid var(--edge);
  border-radius: var(--radius-md);
  transition: border-color 0.22s ease, background-color 0.22s ease;
}

.page-faq .faq-item[open] {
  border-color: var(--cyan);
  background: var(--ink-1);
}

.page-faq .faq-item:hover {
  border-color: rgba(0, 229, 255, 0.55);
}

.page-faq .faq-q {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr) auto;
  align-items: start;
  gap: 14px;
  padding: 16px 18px;
  cursor: pointer;
  list-style: none;
}

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

.page-faq .faq-q:focus-visible {
  outline: 2px solid var(--violet);
  outline-offset: -2px;
  border-radius: var(--radius-md);
}

.page-faq .faq-num {
  font-size: 13px;
  color: var(--cyan);
  padding-top: 4px;
}

.page-faq .faq-q-text {
  font-size: clamp(15.5px, 2vw, 17px);
  font-weight: 500;
  line-height: 1.6;
  color: var(--text);
  min-width: 0;
}

.page-faq .faq-mark {
  position: relative;
  width: 22px;
  height: 22px;
  margin-top: 2px;
  border-radius: 50%;
  border: 1px solid var(--edge);
  flex: 0 0 auto;
  transition: border-color 0.2s ease, background-color 0.2s ease;
}

.page-faq .faq-mark::before,
.page-faq .faq-mark::after {
  content: "";
  position: absolute;
  left: 50%;
  top: 50%;
  width: 10px;
  height: 1.5px;
  background: var(--muted);
  transform: translate(-50%, -50%);
  transition: opacity 0.2s ease, background-color 0.2s ease;
}

.page-faq .faq-mark::after {
  transform: translate(-50%, -50%) rotate(90deg);
}

.page-faq .faq-item[open] .faq-mark {
  border-color: var(--amber);
  background: rgba(255, 177, 61, 0.14);
}

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

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

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

.page-faq .faq-a p {
  margin: 0;
  font-size: 15.5px;
  line-height: 1.8;
  color: var(--text);
  opacity: 0.82;
}

.page-faq .faq-a a {
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px solid rgba(0, 229, 255, 0.4);
  transition: border-color 0.18s ease, color 0.18s ease;
}

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

/* ---------- 联系前准备 ---------- */

.page-faq .faq-prep {
  padding-top: clamp(48px, 8vw, 96px);
}

.page-faq .faq-prep-shell {
  display: grid;
  gap: 32px;
  padding-top: clamp(32px, 5vw, 56px);
  border-top: 1px solid rgba(31, 111, 122, 0.35);
}

.page-faq .section-kicker {
  margin: 0 0 12px;
  font-size: 12px;
  letter-spacing: 0.24em;
  color: var(--amber);
  text-transform: uppercase;
}

.page-faq .faq-prep-title {
  margin: 0 0 22px;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(26px, 4.4vw, 38px);
  line-height: 1.2;
  letter-spacing: 0.02em;
}

.page-faq .faq-prep-list {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin: 0 0 24px;
  padding: 0;
  list-style: none;
}

.page-faq .faq-prep-list li {
  font-size: 14px;
  line-height: 1.5;
  color: var(--text);
  background: var(--panel);
  border: 1px solid var(--edge);
  border-radius: var(--radius-pill);
  padding: 9px 18px;
  transition: border-color 0.2s ease, background-color 0.2s ease, color 0.2s ease;
}

.page-faq .faq-prep-list li:hover {
  border-color: var(--violet);
  background: rgba(167, 107, 255, 0.12);
}

.page-faq .faq-prep-note {
  margin: 0 0 26px;
  max-width: 52ch;
  font-size: 15px;
  line-height: 1.8;
  color: var(--muted);
}

.page-faq .faq-prep-media {
  margin: 0;
  border-radius: var(--radius-lg);
  overflow: hidden;
  border: 1px solid rgba(31, 111, 122, 0.4);
}

/* ---------- 收尾 ---------- */

.page-faq .faq-outro {
  padding-top: clamp(48px, 8vw, 88px);
}

.page-faq .faq-outro-inner {
  border-radius: var(--radius-xl);
  background: var(--ink-1);
  border: 1px solid rgba(31, 111, 122, 0.5);
  padding: clamp(28px, 5vw, 52px);
}

.page-faq .faq-outro-inner h2 {
  margin: 0 0 14px;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(24px, 4vw, 34px);
  line-height: 1.2;
}

.page-faq .faq-outro-inner p {
  margin: 0 0 26px;
  max-width: 56ch;
  font-size: 15.5px;
  line-height: 1.8;
  color: var(--muted);
}

.page-faq .faq-outro-inner p a {
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px solid rgba(0, 229, 255, 0.4);
}

.page-faq .faq-outro-inner p a:hover {
  color: var(--amber);
  border-bottom-color: var(--amber);
}

.page-faq .faq-outro-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

/* ---------- 中屏起 ---------- */

@media (min-width: 760px) {
  .page-faq .faq-prep-shell {
    grid-template-columns: minmax(0, 1.1fr) minmax(0, 0.9fr);
    align-items: center;
    gap: 48px;
  }
}

@media (min-width: 900px) {
  .page-faq .faq-cat-head {
    display: grid;
    grid-template-columns: 72px minmax(0, 1fr);
    grid-template-areas:
      "idx title"
      "idx note";
    align-items: baseline;
    column-gap: 24px;
    row-gap: 8px;
    margin-bottom: 26px;
  }

  .page-faq .faq-cat-index {
    grid-area: idx;
  }

  .page-faq .faq-cat-head h2 {
    grid-area: title;
  }

  .page-faq .faq-cat-note {
    grid-area: note;
  }

  .page-faq .faq-q {
    padding: 20px 24px;
    gap: 20px;
  }

  .page-faq .faq-a {
    padding: 0 24px 22px calc(24px + 33px);
  }

  .page-faq .faq-a p {
    max-width: 74ch;
  }

  .page-faq .faq-prep-shell {
    grid-template-columns: minmax(0, 1.15fr) minmax(0, 0.85fr);
    gap: 64px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-faq * {
    transition-duration: 0.01ms !important;
    animation-duration: 0.01ms !important;
  }
}
<<<END>>>