.page-faq {
  --faq-dir-w: 15rem;
  --faq-ink: #14213D;
  --faq-ink-soft: #4C5772;
  --faq-copper-deep: #9A6B22;
  --faq-paper-line: 1px solid rgba(11, 21, 51, 0.16);
  padding-bottom: 4.5rem;
}

.page-faq .breadcrumb {
  margin: 1.5rem 0 1.75rem;
}

.page-faq .breadcrumb ol {
  display: flex;
  flex-wrap: wrap;
  gap: 0.35rem;
  margin: 0;
  padding: 0;
  list-style: none;
  font-family: var(--font-mono);
  font-size: var(--fs-mono);
  letter-spacing: 0.04em;
  color: var(--gray);
}

.page-faq .breadcrumb li + li::before {
  content: "/";
  margin-right: 0.35rem;
  color: rgba(192, 138, 62, 0.65);
}

.page-faq .breadcrumb a {
  color: var(--copper-200);
  text-decoration: none;
}

.page-faq .breadcrumb a:hover {
  color: var(--white);
  text-decoration: underline;
  text-underline-offset: 0.2em;
}

/* 首屏 */
.page-faq .faq-hero {
  max-width: 54rem;
  padding-bottom: 1.5rem;
  border-bottom: var(--line-soft);
}

.page-faq .faq-hero h1 {
  margin: 0.6rem 0 1.15rem;
  font-size: var(--fs-h1);
  font-weight: 900;
  line-height: 1.08;
  letter-spacing: -0.012em;
  color: var(--white);
}

.page-faq .faq-hero .lead {
  margin: 0;
  max-width: 32em;
  color: var(--copper-200);
}

.page-faq .faq-hero__meta {
  display: flex;
  flex-wrap: wrap;
  gap: 0.65rem 2rem;
  margin: 1.75rem 0 0;
  padding: 1rem 0 0;
  list-style: none;
  border-top: var(--line-soft);
  font-size: var(--fs-sm);
  color: var(--gray);
}

.page-faq .faq-hero__meta .meta-num {
  margin-right: 0.3rem;
  font-family: var(--font-mono);
  font-size: 1.0625rem;
  font-weight: 700;
  color: var(--copper-500);
}

/* 布局 */
.page-faq .faq-layout {
  display: grid;
  gap: 2rem;
  margin-top: 2.25rem;
}

/* 左侧目录 */
.page-faq .faq-dir {
  align-self: start;
}

.page-faq .faq-dir__title {
  margin: 0 0 0.75rem;
  font-family: var(--font-mono);
  font-size: var(--fs-mono);
  letter-spacing: 0.18em;
  color: var(--copper-500);
}

.page-faq .faq-dir__list {
  margin: 0;
  padding: 0;
  list-style: none;
  border-top: var(--line-soft);
}

.page-faq .faq-dir__list a {
  display: flex;
  gap: 0.6rem;
  align-items: baseline;
  padding: 0.7rem 0.5rem 0.7rem 0.8rem;
  border-bottom: var(--line-soft);
  border-left: 2px solid transparent;
  color: var(--gray);
  font-size: var(--fs-sm);
  line-height: 1.45;
  text-decoration: none;
  transition: color 0.2s ease, border-color 0.2s ease, background-color 0.2s ease;
}

.page-faq .faq-dir__list a:hover,
.page-faq .faq-dir__list a:focus-visible {
  color: var(--white);
  border-left-color: var(--copper-500);
  background-color: rgba(192, 138, 62, 0.09);
}

.page-faq .faq-dir__num {
  flex: none;
  font-family: var(--font-mono);
  font-size: var(--fs-mono);
  letter-spacing: 0.04em;
  color: var(--copper-500);
}

.page-faq .faq-dir__foot {
  margin: 1rem 0 0;
  font-size: var(--fs-xs);
  line-height: 1.7;
  color: var(--gray);
}

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

.page-faq .faq-group {
  scroll-margin-top: calc(var(--topbar-h) + 1.5rem);
}

.page-faq .faq-group + .faq-group,
.page-faq .faq-group + .faq-steps {
  margin-top: 2.5rem;
}

.page-faq .faq-group + .faq-group {
  padding-top: 2.25rem;
  border-top: var(--line-soft);
}

.page-faq .faq-group__head {
  display: flex;
  gap: 0.85rem;
  align-items: baseline;
  margin-bottom: 1rem;
}

.page-faq .section-num {
  flex: none;
  padding-top: 0.15rem;
  font-family: var(--font-mono);
  font-size: 1.5rem;
  font-weight: 700;
  line-height: 1;
  letter-spacing: 0.04em;
  color: var(--copper-500);
}

.page-faq .faq-group__head h2 {
  margin: 0;
  font-size: var(--fs-h3);
  font-weight: 900;
  line-height: 1.25;
  color: var(--white);
}

/* 手风琴 */
.page-faq .faq-list {
  border-top: var(--line-soft);
}

.page-faq .faq-item {
  border-bottom: var(--line-soft);
}

.page-faq .faq-item > summary {
  position: relative;
  display: block;
  list-style: none;
  cursor: pointer;
  padding: 1.05rem 2.85rem 1.05rem 0.15rem;
  font-size: 1.0625rem;
  font-weight: 700;
  line-height: 1.5;
  color: var(--paper);
  transition: color 0.2s ease;
}

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

.page-faq .faq-item > summary:hover {
  color: var(--copper-200);
}

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

.page-faq .faq-item > summary::before,
.page-faq .faq-item > summary::after {
  content: "";
  position: absolute;
  right: 0.85rem;
  top: 1.8rem;
  width: 13px;
  height: 2px;
  background-color: var(--copper-500);
  transition: transform 0.25s ease, background-color 0.25s ease;
}

.page-faq .faq-item > summary::before {
  transform: rotate(90deg);
}

.page-faq .faq-item[open] > summary {
  color: var(--white);
}

.page-faq .faq-item[open] > summary::before {
  transform: rotate(0deg);
}

.page-faq .faq-item[open] > summary::after,
.page-faq .faq-item[open] > summary::before {
  background-color: var(--orange);
}

.page-faq .faq-item__body {
  max-width: 34em;
  padding: 0.15rem 0.15rem 1.4rem;
}

.page-faq .faq-item__body p {
  margin: 0 0 0.8rem;
  font-size: var(--fs-body);
  line-height: 1.8;
  color: var(--gray);
}

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

.page-faq .faq-item__body a {
  color: var(--copper-200);
  text-decoration: underline;
  text-underline-offset: 0.22em;
}

.page-faq .faq-item__body a:hover {
  color: var(--white);
}

/* 三步排查带 */
.page-faq .faq-steps {
  margin-top: 2.5rem;
  padding: 1.5rem 1.25rem;
  background-color: var(--paper);
  border: var(--faq-paper-line);
  box-shadow: var(--shadow-paper);
}

.page-faq .faq-steps__inner {
  display: grid;
  gap: 1.5rem;
}

.page-faq .faq-steps__eyebrow {
  margin: 0 0 0.4rem;
  font-family: var(--font-mono);
  font-size: var(--fs-mono);
  letter-spacing: 0.16em;
  color: var(--faq-copper-deep);
}

.page-faq .faq-steps__title {
  margin: 0 0 1.25rem;
  font-size: var(--fs-h3);
  font-weight: 900;
  line-height: 1.25;
  color: var(--faq-ink);
}

.page-faq .faq-steps__list {
  display: grid;
  gap: 1.1rem;
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-faq .faq-steps__list li {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 0.85rem;
  align-items: start;
  padding-bottom: 1rem;
  border-bottom: 1px dashed rgba(11, 21, 51, 0.16);
}

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

.page-faq .faq-steps__n {
  font-family: var(--font-mono);
  font-size: 1.35rem;
  font-weight: 700;
  line-height: 1;
  color: var(--faq-copper-deep);
}

.page-faq .faq-steps__list h3 {
  margin: 0 0 0.3rem;
  font-size: 1rem;
  font-weight: 900;
  color: var(--faq-ink);
}

.page-faq .faq-steps__list p {
  margin: 0;
  font-size: var(--fs-sm);
  line-height: 1.7;
  color: var(--faq-ink-soft);
}

/* 图片容器 */
.page-faq .media {
  position: relative;
  overflow: hidden;
  border: var(--line);
  background-color: var(--indigo-700);
}

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

.page-faq .faq-steps__media {
  border: var(--faq-paper-line);
}

/* 状态图例卡 */
.page-faq .faq-legend {
  margin-top: 1.75rem;
  padding: 1.5rem 1.25rem;
  background-color: var(--paper);
  border: var(--faq-paper-line);
  box-shadow: var(--shadow-paper);
}

.page-faq .faq-legend__inner {
  display: grid;
  gap: 1.5rem;
}

.page-faq .faq-legend__media {
  border: var(--faq-paper-line);
}

.page-faq .faq-legend__eyebrow {
  margin: 0 0 1rem;
  font-family: var(--font-mono);
  font-size: var(--fs-mono);
  letter-spacing: 0.16em;
  color: var(--faq-copper-deep);
}

.page-faq .faq-legend__items {
  display: grid;
  gap: 1.1rem;
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-faq .faq-legend__item {
  padding: 0.35rem 0 0.35rem 0.9rem;
  border-left: 3px solid rgba(11, 21, 51, 0.14);
  transition: border-color 0.25s ease, transform 0.25s ease;
}

.page-faq .faq-legend__item:hover,
.page-faq .faq-legend__item:focus-within {
  border-left-color: var(--copper-500);
  transform: translateX(2px);
}

.page-faq .faq-legend__item .pill {
  font-size: 1.0625rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  padding: 0.4rem 0.9rem;
  color: #08122B;
}

.page-faq .faq-legend__desc {
  margin: 0.6rem 0 0;
  max-width: 30em;
  font-size: var(--fs-sm);
  line-height: 1.7;
  color: var(--faq-ink-soft);
  opacity: 0.85;
  transition: opacity 0.25s ease;
}

.page-faq .faq-legend__item:hover .faq-legend__desc,
.page-faq .faq-legend__item:focus-within .faq-legend__desc {
  opacity: 1;
  color: var(--faq-ink);
}

/* 反馈区 */
.page-faq .faq-feedback {
  margin-top: 0.5rem;
  padding: 1.5rem 1.25rem;
  background-color: var(--indigo-700);
  border: var(--line);
  box-shadow: var(--shadow-paper);
}

.page-faq .faq-feedback__intro {
  margin: 0 0 1.25rem;
  max-width: 32em;
  font-size: var(--fs-body);
  line-height: 1.75;
  color: var(--paper);
}

.page-faq .faq-feedback__checklist {
  display: grid;
  gap: 0.7rem;
  margin: 0 0 1.5rem;
  padding: 0;
  list-style: none;
  max-width: 32em;
}

.page-faq .faq-feedback__checklist li {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 0.75rem;
  align-items: baseline;
  padding-bottom: 0.7rem;
  border-bottom: var(--line-soft);
  font-size: var(--fs-sm);
  line-height: 1.7;
  color: var(--gray);
}

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

.page-faq .faq-feedback__n {
  font-family: var(--font-mono);
  font-size: var(--fs-mono);
  letter-spacing: 0.08em;
  color: var(--copper-500);
}

.page-faq .faq-feedback__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.65rem 0.9rem;
  align-items: center;
}

.page-faq .faq-feedback__mail {
  font-family: var(--font-mono);
  font-size: var(--fs-sm);
  letter-spacing: 0.02em;
  color: var(--copper-200);
  word-break: break-all;
}

.page-faq .faq-copy-status {
  flex-basis: 100%;
  min-height: 1.1em;
  font-size: var(--fs-xs);
  color: var(--orange);
}

.page-faq .faq-feedback__note {
  margin: 1.25rem 0 1.5rem;
  max-width: 32em;
  font-size: var(--fs-xs);
  line-height: 1.75;
  color: var(--gray);
}

.page-faq .faq-feedback__links {
  display: grid;
  gap: 0.65rem;
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-faq .faq-feedback__links a {
  display: inline-block;
  font-size: var(--fs-sm);
  color: var(--paper);
  text-decoration: none;
  border-bottom: 1px solid rgba(192, 138, 62, 0.45);
  padding-bottom: 0.1rem;
  transition: color 0.2s ease, border-color 0.2s ease;
}

.page-faq .faq-feedback__links a:hover,
.page-faq .faq-feedback__links a:focus-visible {
  color: var(--copper-200);
  border-bottom-color: var(--orange);
}

/* 桌面 */
@media (min-width: 700px) {
  .page-faq .faq-steps {
    padding: 2rem 1.75rem;
  }

  .page-faq .faq-legend {
    padding: 2rem 1.75rem;
  }

  .page-faq .faq-feedback {
    padding: 2rem 1.75rem;
  }

  .page-faq .faq-feedback__links {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 0.75rem 1.5rem;
  }
}

@media (min-width: 900px) {
  .page-faq .faq-hero {
    padding-bottom: 2rem;
  }

  .page-faq .faq-layout {
    grid-template-columns: var(--faq-dir-w) minmax(0, 1fr);
    gap: 3rem;
    margin-top: 2.75rem;
  }

  .page-faq .faq-dir {
    position: sticky;
    top: calc(var(--topbar-h) + 1.5rem);
  }

  .page-faq .faq-steps__inner {
    grid-template-columns: minmax(0, 1.05fr) minmax(0, 0.95fr);
    gap: 2.5rem;
    align-items: center;
  }

  .page-faq .faq-legend__inner {
    grid-template-columns: minmax(0, 0.9fr) minmax(0, 1.1fr);
    gap: 2rem;
    align-items: center;
  }

  .page-faq .faq-group__head h2 {
    font-size: 1.75rem;
  }

  .page-faq .section-num {
    font-size: 1.75rem;
  }

  .page-faq .faq-steps__title {
    font-size: 1.75rem;
  }
}

@media (min-width: 1100px) {
  .page-faq .faq-group {
    padding-right: 1.5rem;
  }

  .page-faq .faq-feedback__checklist {
    grid-template-columns: 1fr;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-faq .faq-dir__list a,
  .page-faq .faq-item > summary,
  .page-faq .faq-item > summary::before,
  .page-faq .faq-item > summary::after,
  .page-faq .faq-legend__item,
  .page-faq .faq-legend__desc,
  .page-faq .faq-feedback__links a {
    transition: none;
  }

  .page-faq .faq-legend__item:hover,
  .page-faq .faq-legend__item:focus-within {
    transform: none;
  }
}
<<<END>>>