.page-faq {
  --faq-rail: 236px;
  --faq-line: var(--line);
}

.page-faq .faq-hero {
  position: relative;
  padding-block: clamp(22px, 4vw, 44px) clamp(28px, 5vw, 60px);
  border-bottom: 1px solid var(--faq-line);
  background:
    radial-gradient(120% 90% at 100% 0%, rgba(255, 107, 44, 0.12), transparent 62%),
    radial-gradient(90% 80% at 0% 100%, rgba(111, 247, 210, 0.1), transparent 58%);
  overflow: hidden;
}

.page-faq .faq-hero__grid {
  display: grid;
  gap: clamp(18px, 3vw, 32px);
  margin-top: clamp(16px, 3vw, 28px);
}

.page-faq .faq-hero h1 {
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(1.85rem, 5.6vw, 3.75rem);
  line-height: 1.04;
  letter-spacing: -0.02em;
  color: var(--text);
  margin: 0.45em 0 0;
  max-width: 16em;
  text-wrap: balance;
}

.page-faq .faq-hero__note p {
  margin: 0 0 0.9em;
  color: var(--text-2);
  font-size: clamp(15px, 1.6vw, 17px);
  line-height: 1.9;
  max-width: 40em;
}

.page-faq .faq-hero__meta {
  color: var(--accent);
  font-size: 13px;
  letter-spacing: 0.04em;
  margin: 0;
}

@media (min-width: 900px) {
  .page-faq .faq-hero__grid {
    grid-template-columns: minmax(0, 1.45fr) minmax(0, 1fr);
    align-items: end;
  }
}

/* 快捷排障 */
.page-faq .faq-quick {
  padding-block: clamp(26px, 4vw, 52px);
}

.page-faq .faq-quick__head {
  max-width: 46em;
}

.page-faq .faq-quick h2 {
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(1.35rem, 3.4vw, 2rem);
  line-height: 1.15;
  letter-spacing: -0.01em;
  color: var(--text);
  margin: 0 0 8px;
}

.page-faq .faq-quick__lede {
  margin: 0;
  color: var(--text-2);
  font-size: 15px;
  line-height: 1.8;
}

.page-faq .quick-grid {
  display: grid;
  gap: 14px;
  margin-top: clamp(20px, 3vw, 34px);
}

.page-faq .quick-card {
  display: flex;
  flex-direction: column;
  gap: 8px;
  padding: 18px 16px 16px;
  text-decoration: none;
  color: inherit;
  background: linear-gradient(160deg, var(--panel-2), var(--panel));
  border: 1px solid var(--faq-line);
  border-top: 3px solid var(--accent);
  border-radius: var(--radius);
  transition: transform 0.22s ease, border-color 0.22s ease;
}

.page-faq .quick-card:nth-child(2) {
  border-top-color: var(--warm);
}

.page-faq .quick-card:nth-child(3) {
  border-top-color: var(--hot);
}

.page-faq .quick-card:hover,
.page-faq .quick-card:focus-visible {
  transform: translateY(-4px);
  border-color: var(--line-strong);
}

.page-faq .quick-card__no {
  font-size: 12px;
  letter-spacing: 0.18em;
  color: var(--warm);
}

.page-faq .quick-card h3 {
  margin: 0;
  font-family: var(--font-display);
  font-size: 1.02rem;
  font-weight: 800;
  line-height: 1.35;
  color: var(--text);
}

.page-faq .quick-card p {
  margin: 0;
  font-size: 13.5px;
  line-height: 1.75;
  color: var(--text-2);
}

.page-faq .quick-card__go {
  margin-top: auto;
  padding-top: 6px;
  font-size: 13px;
  color: var(--accent);
  letter-spacing: 0.02em;
}

@media (min-width: 620px) {
  .page-faq .quick-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (min-width: 1040px) {
  .page-faq .quick-grid {
    grid-template-columns: repeat(4, minmax(0, 1fr));
    align-items: start;
    padding-bottom: 26px;
  }
  .page-faq .quick-card:nth-child(even) {
    margin-top: 26px;
  }
}

/* 主体：目录 + 问答 */
.page-faq .faq-body {
  display: grid;
  gap: clamp(20px, 3vw, 40px);
  padding-block: clamp(26px, 4vw, 54px) clamp(40px, 6vw, 84px);
}

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

.page-faq .faq-rail__title {
  margin: 0 0 10px;
  font-size: 11.5px;
  letter-spacing: 0.2em;
  color: var(--text-2);
}

.page-faq .rail-list {
  list-style: none;
  margin: 0;
  padding: 0 0 6px;
  display: flex;
  gap: 8px;
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
  scrollbar-width: thin;
}

.page-faq .rail-list a {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  min-height: 44px;
  padding: 8px 14px;
  border: 1px solid var(--faq-line);
  border-radius: 999px;
  color: var(--text-2);
  font-size: 14px;
  text-decoration: none;
  white-space: nowrap;
  transition: color 0.2s, border-color 0.2s, background 0.2s;
}

.page-faq .rail-list a .mono {
  color: var(--warm);
  font-size: 11.5px;
  letter-spacing: 0.1em;
}

.page-faq .rail-list a:hover,
.page-faq .rail-list a:focus-visible {
  color: var(--text);
  border-color: var(--line-strong);
  background: var(--hl);
}

.page-faq .faq-rail__hint {
  margin: 14px 0 0;
  font-size: 13px;
  color: var(--text-2);
  line-height: 1.7;
}

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

@media (min-width: 900px) {
  .page-faq .faq-body {
    grid-template-columns: var(--faq-rail) minmax(0, 1fr);
    align-items: start;
  }
  .page-faq .faq-rail {
    position: sticky;
    top: 24px;
  }
  .page-faq .rail-list {
    flex-direction: column;
    overflow: visible;
    gap: 2px;
    padding-bottom: 0;
  }
  .page-faq .rail-list a {
    border: 0;
    border-left: 2px solid var(--line-strong);
    border-radius: var(--radius);
    min-height: 0;
    padding: 10px 12px;
    white-space: normal;
  }
  .page-faq .rail-list a:hover,
  .page-faq .rail-list a:focus-visible {
    border-left-color: var(--hot);
  }
  .page-faq .faq-rail__hint {
    padding-left: 12px;
  }
}

/* 问答分组 */
.page-faq .faq-main {
  min-width: 0;
}

.page-faq .faq-group + .faq-group {
  margin-top: clamp(34px, 5vw, 64px);
}

.page-faq .faq-group h2 {
  display: flex;
  align-items: baseline;
  gap: 12px;
  margin: 0 0 10px;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(1.35rem, 3.4vw, 2rem);
  line-height: 1.18;
  letter-spacing: -0.01em;
  color: var(--text);
}

.page-faq .group-no {
  flex: none;
  font-size: 0.6em;
  letter-spacing: 0.12em;
  color: var(--warm);
  padding: 2px 6px;
  border: 1px solid var(--line-strong);
  border-radius: var(--radius);
}

.page-faq .faq-group__lede {
  margin: 0 0 clamp(16px, 2.4vw, 24px);
  max-width: 44em;
  color: var(--text-2);
  font-size: 15px;
  line-height: 1.85;
}

/* 图片 */
.page-faq .faq-figure {
  margin: 0 0 clamp(18px, 2.6vw, 28px);
}

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

/* 手风琴 */
.page-faq .faq-item {
  border-top: 1px solid var(--faq-line);
}

.page-faq .faq-item:last-of-type {
  border-bottom: 1px solid var(--faq-line);
}

.page-faq .faq-item > summary {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  min-height: 48px;
  padding: 14px 0;
  list-style: none;
  cursor: pointer;
  color: var(--text);
  font-family: var(--font-display);
  font-size: clamp(0.96rem, 2vw, 1.04rem);
  font-weight: 700;
  line-height: 1.6;
}

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

.page-faq .faq-item > summary::after {
  content: "+";
  margin-left: auto;
  flex: none;
  font-family: var(--font-data);
  font-size: 1.2em;
  line-height: 1.2;
  color: var(--accent);
  transition: color 0.2s;
}

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

.page-faq .faq-item > summary:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 3px;
}

.page-faq .faq-no {
  flex: none;
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--warm);
  padding-top: 0.35em;
}

.page-faq .faq-a {
  margin: 0 0 20px;
  padding: 2px 0 2px 14px;
  border-left: 2px solid var(--line-strong);
  color: var(--text-2);
  font-size: 15px;
  line-height: 1.88;
}

.page-faq .faq-a p {
  margin: 0 0 0.75em;
}

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

/* 联系区 */
.page-faq .contact-grid {
  display: grid;
  gap: 12px;
  margin-bottom: clamp(20px, 3vw, 28px);
}

.page-faq .contact-card {
  padding: 16px 14px;
  min-width: 0;
}

.page-faq .contact-card__label {
  margin: 0 0 6px;
  font-family: var(--font-data);
  font-size: 11.5px;
  letter-spacing: 0.16em;
  color: var(--warm);
}

.page-faq .contact-card__val {
  margin: 0;
  font-size: 15px;
  line-height: 1.6;
  color: var(--text);
  overflow-wrap: anywhere;
}

@media (min-width: 640px) {
  .page-faq .contact-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (min-width: 1080px) {
  .page-faq .contact-grid {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }
}

.page-faq .faq-cta {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: clamp(20px, 3vw, 30px);
}

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

@media (prefers-reduced-motion: reduce) {
  .page-faq .quick-card {
    transition: none;
  }
  .page-faq .quick-card:hover,
  .page-faq .quick-card:focus-visible {
    transform: none;
  }
}
<<<END>>>