.page-faq {
  --faq-rail-top: 96px;
  padding-bottom: clamp(48px, 6vw, 88px);
}

/* 面包屑 */
.page-faq .breadcrumb {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  align-items: center;
  padding-top: clamp(14px, 2vw, 22px);
  font-size: 13px;
  color: var(--text-dim);
}

.page-faq .breadcrumb a {
  color: var(--text-dim);
  text-decoration: none;
  transition: color 0.2s var(--ease);
}

.page-faq .breadcrumb a:hover {
  color: var(--neon);
}

/* 首屏 */
.page-faq .faq-hero {
  padding: clamp(18px, 2.6vw, 30px) 0 clamp(28px, 4vw, 48px);
  background:
    radial-gradient(120% 90% at 88% 4%, rgba(47, 227, 165, 0.12), transparent 62%),
    radial-gradient(80% 70% at 4% 96%, rgba(255, 138, 61, 0.08), transparent 60%);
}

.page-faq .faq-hero__grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(24px, 4vw, 48px);
  align-items: center;
}

.page-faq .faq-hero__text h1 {
  margin: 12px 0 0;
  max-width: 22ch;
}

.page-faq .faq-hero__lead {
  margin: clamp(14px, 2vw, 20px) 0 0;
  max-width: 54ch;
  color: var(--text-dim);
  font-size: clamp(15px, 1.6vw, 17px);
  line-height: 1.8;
}

.page-faq .faq-keywords {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: clamp(18px, 2.4vw, 26px) 0 0;
  padding: 0;
  list-style: none;
}

.page-faq .faq-keywords a {
  display: inline-block;
  padding: 7px 13px;
  border: 1px solid var(--line);
  border-radius: 999px;
  font-size: 13px;
  color: var(--text-dim);
  text-decoration: none;
  transition: border-color 0.2s var(--ease), color 0.2s var(--ease), transform 0.2s var(--ease);
}

.page-faq .faq-keywords a:hover {
  border-color: var(--neon);
  color: var(--neon-soft);
  transform: translateY(-2px);
}

.page-faq .faq-hero__media {
  margin: 0;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow);
  background: var(--ink-2);
}

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

/* 分类入口 */
.page-faq .faq-cats {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 12px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-faq .faq-cat {
  display: block;
  height: 100%;
  padding: 18px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--ink-2);
  color: var(--text);
  text-decoration: none;
  transition: border-color 0.2s var(--ease), transform 0.2s var(--ease);
}

.page-faq .faq-cat:hover {
  border-color: var(--neon);
  transform: translateY(-2px);
}

.page-faq .faq-cat__num {
  display: block;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.12em;
  color: var(--neon);
}

.page-faq .faq-cat__title {
  display: block;
  margin-top: 8px;
  font-size: 17px;
  font-weight: 700;
  letter-spacing: -0.01em;
}

.page-faq .faq-cat__desc {
  display: block;
  margin-top: 8px;
  font-size: 13px;
  line-height: 1.7;
  color: var(--text-dim);
}

/* 主体两栏 */
.page-faq .faq-body {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(28px, 4vw, 48px);
  padding-top: clamp(28px, 4vw, 52px);
}

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

.page-faq .faq-section {
  scroll-margin-top: calc(var(--faq-rail-top) + 20px);
}

.page-faq .faq-section + .faq-section {
  margin-top: clamp(34px, 4.6vw, 60px);
  padding-top: clamp(28px, 3.6vw, 44px);
  border-top: 1px solid var(--line);
}

.page-faq .faq-section__title {
  margin: 0 0 10px;
  font-size: clamp(1.25rem, 2.2vw, 1.6rem);
  font-weight: 800;
  letter-spacing: -0.01em;
}

.page-faq .faq-section__lead {
  margin: 0 0 clamp(18px, 2.4vw, 24px);
  max-width: 62ch;
  font-size: 15px;
  line-height: 1.8;
  color: var(--text-dim);
}

/* 问答手风琴 */
.page-faq .qa {
  border: 1px solid var(--line);
  border-left: 3px solid transparent;
  border-radius: var(--radius);
  background: var(--surface);
  box-shadow: var(--shadow);
  transition: border-color 0.25s var(--ease);
}

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

.page-faq .qa[open] {
  border-left-color: var(--neon);
}

.page-faq .qa summary {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  padding: 15px 16px;
  list-style: none;
  cursor: pointer;
  font-size: 15.5px;
  font-weight: 700;
  line-height: 1.6;
  color: var(--text);
  transition: color 0.2s var(--ease);
}

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

.page-faq .qa summary::after {
  content: "+";
  margin-left: auto;
  flex: none;
  font-family: var(--font-mono);
  font-size: 18px;
  line-height: 1.2;
  color: var(--neon);
}

.page-faq .qa[open] summary::after {
  content: "\2013";
}

.page-faq .qa summary:hover {
  color: var(--neon-soft);
}

.page-faq .qa__body {
  padding: 0 16px 18px;
  font-size: 15px;
  line-height: 1.8;
  color: var(--text-dim);
}

.page-faq .qa__body p {
  margin: 0 0 0.85em;
}

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

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

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

/* 订阅章节配图 */
.page-faq .faq-figure {
  margin: clamp(18px, 2.4vw, 26px) 0 0;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--ink-2);
}

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

.page-faq .faq-figure figcaption {
  padding: 12px 16px;
  border-top: 1px solid var(--line);
  font-size: 13px;
  line-height: 1.7;
  color: var(--text-dim);
}

/* 暖橙提示带 */
.page-faq .faq-band {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
  margin-top: clamp(20px, 2.8vw, 30px);
  padding: clamp(16px, 2.2vw, 22px);
  border-radius: var(--radius);
  background: var(--orange);
  color: var(--light-ink);
}

.page-faq .faq-band__text {
  margin: 0;
  max-width: 52ch;
  font-size: clamp(15px, 1.7vw, 17px);
  font-weight: 700;
  line-height: 1.65;
}

.page-faq .faq-band__link {
  flex: none;
  display: inline-block;
  padding: 9px 16px;
  border-radius: 999px;
  background: var(--light-ink);
  color: var(--light);
  font-size: 14px;
  font-weight: 700;
  text-decoration: none;
  transition: background 0.2s var(--ease);
}

.page-faq .faq-band__link:hover {
  background: var(--ink);
  color: var(--neon-soft);
}

/* 字段图例 */
.page-faq .faq-note {
  display: grid;
  gap: 16px;
  margin-top: clamp(18px, 2.4vw, 26px);
  padding: 18px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--ink-2);
}

.page-faq .field-legend {
  display: block;
  width: 100%;
  max-width: 320px;
  height: auto;
  color: var(--neon);
}

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

/* 联系渠道 */
.page-faq .faq-channels {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 12px;
}

.page-faq .faq-channel {
  padding: 18px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--ink-2);
}

.page-faq .faq-channel__label {
  margin: 0;
  font-size: 12px;
  letter-spacing: 0.12em;
  color: var(--amber);
}

.page-faq .faq-channel__value {
  display: block;
  margin-top: 8px;
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  font-size: clamp(15px, 1.8vw, 18px);
  color: var(--text);
  word-break: break-word;
}

.page-faq .faq-channel__note {
  margin: 10px 0 0;
  font-size: 13.5px;
  line-height: 1.75;
  color: var(--text-dim);
}

.page-faq .faq-hours {
  margin: clamp(16px, 2vw, 22px) 0 0;
  max-width: 62ch;
  font-size: 14px;
  line-height: 1.8;
  color: var(--text-dim);
}

.page-faq .faq-related {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin: clamp(18px, 2.4vw, 26px) 0 0;
  padding: 0;
  list-style: none;
}

/* 右侧锚点 */
.page-faq .faq-rail__inner {
  padding: 18px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--ink-2);
}

.page-faq .faq-rail__title {
  margin: 0 0 10px;
  font-size: 12px;
  letter-spacing: 0.12em;
  color: var(--neon);
}

.page-faq .faq-rail__title--second {
  margin-top: 22px;
  padding-top: 18px;
  border-top: 1px solid var(--line);
  color: var(--amber);
}

.page-faq .faq-rail__list {
  display: grid;
  gap: 2px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-faq .faq-rail__list a {
  display: flex;
  align-items: baseline;
  gap: 9px;
  padding: 7px 0;
  font-size: 14px;
  line-height: 1.5;
  color: var(--text-dim);
  text-decoration: none;
  transition: color 0.2s var(--ease);
}

.page-faq .faq-rail__list a::before {
  content: "";
  flex: none;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--line);
  transform: translateY(-2px);
  transition: background 0.2s var(--ease);
}

.page-faq .faq-rail__list a:hover {
  color: var(--neon-soft);
}

.page-faq .faq-rail__list a[aria-current]:not([aria-current="false"]) {
  color: var(--neon);
  font-weight: 700;
}

.page-faq .faq-rail__list a[aria-current]:not([aria-current="false"])::before {
  background: var(--neon);
}

/* 滚动显现 */
.page-faq [data-reveal] {
  opacity: 0;
  transform: translateY(14px);
  transition: opacity 0.4s var(--ease), transform 0.4s var(--ease);
}

.page-faq [data-reveal].is-visible {
  opacity: 1;
  transform: none;
}

@media (min-width: 560px) {
  .page-faq .faq-cats {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

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

@media (min-width: 768px) {
  .page-faq .faq-note {
    grid-template-columns: minmax(0, 320px) minmax(0, 1fr);
    align-items: center;
    gap: 22px;
  }
}

@media (min-width: 900px) {
  .page-faq .faq-hero__grid {
    grid-template-columns: minmax(0, 1.12fr) minmax(0, 0.88fr);
    align-items: end;
  }
}

@media (min-width: 1024px) {
  .page-faq .faq-cats {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }

  .page-faq .faq-body {
    grid-template-columns: minmax(0, 1fr) 284px;
    align-items: start;
  }

  .page-faq .faq-rail__inner {
    position: sticky;
    top: var(--faq-rail-top);
  }

  .page-faq .qa summary {
    padding: 17px 20px;
    font-size: 16px;
  }

  .page-faq .qa__body {
    padding: 0 20px 20px;
    max-width: 72ch;
  }
}

@media (min-width: 1200px) {
  .page-faq .faq-body {
    grid-template-columns: minmax(0, 1fr) 300px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-faq [data-reveal] {
    opacity: 1;
    transform: none;
    transition: none;
  }

  .page-faq .faq-cat,
  .page-faq .faq-keywords a,
  .page-faq .qa,
  .page-faq .qa summary,
  .page-faq .faq-band__link {
    transition: none;
  }

  .page-faq .faq-cat:hover,
  .page-faq .faq-keywords a:hover {
    transform: none;
  }
}
<<<END>>>