.page-faq {
  --faq-sticky-top: 88px;
  background: var(--ink);
  color: var(--paper);
  font-family: var(--font-text);
  overflow-x: hidden;
}

.page-faq .crumbs {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 13px;
  color: var(--sand);
  margin-bottom: 18px;
}

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

.page-faq .crumbs__link:hover {
  color: var(--orange-soft);
  border-bottom-color: var(--orange-soft);
}

.page-faq .crumbs__sep {
  color: var(--line);
}

.page-faq .crumbs__current {
  color: var(--paper);
}

/* ---------- 首屏 ---------- */
.page-faq .faq-hero {
  position: relative;
  padding: clamp(18px, 4vw, 40px) 0 clamp(34px, 6vw, 72px);
  border-bottom: 1px solid var(--line);
  background:
    radial-gradient(120% 90% at 88% 0%, rgba(47, 123, 255, 0.18), transparent 62%),
    radial-gradient(90% 70% at 0% 100%, rgba(255, 90, 31, 0.16), transparent 66%),
    var(--ink);
  overflow: hidden;
}

.page-faq .faq-hero__frame {
  position: relative;
  padding: clamp(20px, 4vw, 48px);
  border: 1px solid var(--line);
  background: linear-gradient(180deg, rgba(12, 43, 33, 0.78), rgba(6, 26, 19, 0.48));
  box-shadow: var(--shadow);
}

.page-faq .faq-hero__frame::before,
.page-faq .faq-hero__frame::after {
  content: "";
  position: absolute;
  width: 16px;
  height: 16px;
  border: 2px solid var(--orange);
}

.page-faq .faq-hero__frame::before {
  top: -1px;
  left: -1px;
  border-right: 0;
  border-bottom: 0;
}

.page-faq .faq-hero__frame::after {
  bottom: -1px;
  right: -1px;
  border-left: 0;
  border-top: 0;
}

.page-faq .faq-hero h1 {
  font-family: var(--font-display);
  font-size: clamp(30px, 6.4vw, 62px);
  line-height: 1.1;
  font-weight: 800;
  letter-spacing: -0.015em;
  margin: 12px 0 18px;
  max-width: 16em;
}

.page-faq .faq-hero .lead {
  max-width: 60ch;
  font-size: clamp(15px, 1.6vw, 17px);
  line-height: 1.75;
  color: rgba(244, 239, 226, 0.82);
  margin: 0;
}

.page-faq .faq-hero__stats {
  display: flex;
  flex-wrap: wrap;
  gap: 14px 30px;
  margin: 28px 0 0;
  padding: 0;
  list-style: none;
}

.page-faq .faq-hero__stats li {
  border-left: 2px solid var(--orange);
  padding-left: 12px;
  max-width: 220px;
}

.page-faq .faq-hero__stats .num {
  display: block;
  font-family: var(--font-mono);
  font-size: clamp(22px, 3.4vw, 30px);
  line-height: 1.1;
  color: var(--paper);
}

.page-faq .faq-hero__stattext {
  display: block;
  margin-top: 4px;
  font-size: 13px;
  line-height: 1.5;
  color: var(--sand);
}

.page-faq .faq-hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 30px;
}

/* ---------- 热门问题带 ---------- */
.page-faq .faq-hot {
  padding: clamp(26px, 4.6vw, 54px) 0;
  background: var(--ink-2);
  border-bottom: 1px solid var(--line);
}

.page-faq .faq-hot__title {
  font-family: var(--font-display);
  font-size: clamp(19px, 2.6vw, 26px);
  margin: 0;
  font-weight: 700;
}

.page-faq .faq-hot__grid {
  display: grid;
  gap: 10px;
  margin-top: 20px;
}

.page-faq .faq-hot__item {
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 15px 16px;
  border: 1px solid var(--line);
  background: rgba(6, 26, 19, 0.62);
  color: var(--paper);
  text-decoration: none;
  transition: border-color 0.22s var(--ease), background 0.22s var(--ease), transform 0.22s var(--ease);
}

.page-faq .faq-hot__item:hover,
.page-faq .faq-hot__item:focus-visible {
  border-color: var(--orange);
  background: rgba(255, 90, 31, 0.1);
  transform: translateX(3px);
}

.page-faq .faq-hot__no {
  font-family: var(--font-mono);
  font-size: 13px;
  color: var(--orange);
  flex: 0 0 auto;
}

.page-faq .faq-hot__text {
  flex: 1 1 auto;
  font-size: 15px;
  line-height: 1.5;
}

.page-faq .faq-hot__go {
  color: var(--blue-soft);
  font-family: var(--font-mono);
}

/* ---------- 章节通用 ---------- */
.page-faq .faq-chapter {
  padding: clamp(36px, 6.4vw, 82px) 0;
  border-bottom: 1px solid var(--line);
}

.page-faq .faq-chapter__head {
  display: flex;
  gap: 14px;
  align-items: flex-start;
  margin-bottom: clamp(22px, 3.4vw, 34px);
}

.page-faq .faq-chapter__no {
  font-family: var(--font-mono);
  font-size: 13px;
  color: var(--orange);
  padding-top: 6px;
  border-top: 2px solid var(--orange);
  flex: 0 0 auto;
}

.page-faq .faq-chapter__head h2 {
  font-family: var(--font-display);
  font-size: clamp(21px, 3.6vw, 34px);
  line-height: 1.25;
  font-weight: 700;
  margin: 0 0 8px;
}

.page-faq .faq-chapter__head .note {
  margin: 0;
  color: var(--sand);
  font-size: 13.5px;
  line-height: 1.6;
  max-width: 52ch;
}

/* ---------- 时间线 ---------- */
.page-faq .faq-timeline__panel {
  border: 1px solid var(--line);
  background: linear-gradient(180deg, rgba(12, 43, 33, 0.7), rgba(6, 26, 19, 0.55));
  padding: 10px 8px;
  box-shadow: var(--shadow);
}

.page-faq .faq-timeline {
  display: block;
  width: 100%;
  height: auto;
}

.page-faq .faq-steps {
  display: grid;
  gap: 14px;
  margin-top: 22px;
}

.page-faq .faq-step {
  position: relative;
  border: 1px solid var(--line);
  border-left: 3px solid var(--orange);
  background: rgba(12, 43, 33, 0.5);
  padding: 18px 18px 20px;
}

.page-faq .faq-step__tag {
  display: inline-block;
  margin-bottom: 10px;
}

.page-faq .faq-step h3 {
  font-family: var(--font-display);
  font-size: 17px;
  line-height: 1.4;
  margin: 0 0 8px;
  font-weight: 700;
}

.page-faq .faq-step p {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.75;
  color: rgba(244, 239, 226, 0.8);
}

/* ---------- 图表容器 ---------- */
.page-faq .faq-figure {
  margin: 26px 0 0;
  border: 1px solid var(--line);
  background: rgba(12, 43, 33, 0.4);
}

.page-faq .faq-figure .figure__media {
  overflow: hidden;
}

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

.page-faq .faq-figure .figure__cap {
  display: block;
  padding: 12px 16px;
  font-size: 13px;
  line-height: 1.6;
  color: var(--sand);
  border-top: 1px solid var(--line);
}

/* ---------- 表格 ---------- */
.page-faq .faq-tablewrap {
  border: 1px solid var(--line);
  background: rgba(12, 43, 33, 0.55);
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
}

.page-faq .faq-table {
  width: 100%;
  min-width: 640px;
  border-collapse: collapse;
  font-size: 14px;
}

.page-faq .faq-table__cap {
  caption-side: top;
  text-align: left;
  padding: 12px 16px;
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--blue-soft);
  border-bottom: 1px solid var(--line);
}

.page-faq .faq-table th,
.page-faq .faq-table td {
  text-align: left;
  padding: 13px 16px;
  border-bottom: 1px solid var(--line-soft);
  vertical-align: top;
  line-height: 1.65;
}

.page-faq .faq-table thead th {
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--sand);
  background: rgba(6, 26, 19, 0.85);
  border-bottom: 1px solid var(--line);
  white-space: nowrap;
}

.page-faq .faq-table tbody th {
  color: var(--paper);
  font-weight: 600;
  white-space: nowrap;
}

.page-faq .faq-table tbody td {
  color: rgba(244, 239, 226, 0.82);
}

.page-faq .faq-table tbody tr:last-child th,
.page-faq .faq-table tbody tr:last-child td {
  border-bottom: 0;
}

.page-faq .faq-table tbody tr:hover td,
.page-faq .faq-table tbody tr:hover th {
  background: rgba(47, 123, 255, 0.08);
}

.page-faq .faq-table .num {
  font-family: var(--font-mono);
  color: var(--blue-soft);
  font-size: 14px;
}

.page-faq .faq-pathnote {
  margin-top: 22px;
  display: grid;
  gap: 12px;
}

.page-faq .faq-pathnote p {
  margin: 0;
  padding: 14px 16px;
  border-left: 2px solid var(--blue);
  background: rgba(47, 123, 255, 0.08);
  font-size: 14.5px;
  line-height: 1.75;
  color: rgba(244, 239, 226, 0.85);
}

.page-faq .faq-pathnote strong {
  color: var(--paper);
}

/* ---------- 问答板 ---------- */
.page-faq .faq-chapter--board {
  background: linear-gradient(180deg, var(--ink) 0%, #08211a 55%, var(--ink) 100%);
}

.page-faq .faq-layout {
  display: grid;
  gap: 22px;
}

.page-faq .faq-tocwrap {
  position: sticky;
  top: 0;
  z-index: 6;
  background: rgba(6, 26, 19, 0.96);
  backdrop-filter: blur(6px);
  padding: 8px 0 10px;
  border-bottom: 1px solid var(--line);
  margin: 0 -2px;
}

.page-faq .faq-toc .toc__title {
  display: none;
}

.page-faq .faq-toc .toc__list {
  display: flex;
  gap: 8px;
  margin: 0;
  padding: 0 2px;
  list-style: none;
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
}

.page-faq .faq-toc .toc__link {
  display: inline-block;
  white-space: nowrap;
  padding: 7px 13px;
  border: 1px solid var(--line);
  border-radius: 999px;
  font-size: 13px;
  color: var(--sand);
  text-decoration: none;
  transition: color 0.2s var(--ease), border-color 0.2s var(--ease);
}

.page-faq .faq-toc .toc__link:hover,
.page-faq .faq-toc .toc__link:focus-visible {
  color: var(--paper);
  border-color: var(--orange);
}

.page-faq .faq-filter {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 20px;
}

.page-faq .faq-filter__btn {
  appearance: none;
  cursor: pointer;
  font-family: inherit;
  font-size: 13px;
  padding: 8px 15px;
  color: var(--sand);
  background: transparent;
  border: 1px solid var(--line);
  border-radius: 999px;
  transition: background 0.2s var(--ease), color 0.2s var(--ease), border-color 0.2s var(--ease);
}

.page-faq .faq-filter__btn:hover {
  color: var(--paper);
  border-color: var(--orange-soft);
}

.page-faq .faq-filter__btn[aria-pressed="true"] {
  color: #1a0d05;
  background: var(--orange);
  border-color: var(--orange);
  font-weight: 600;
}

.page-faq .faq-group {
  scroll-margin-top: 110px;
  margin-bottom: 28px;
}

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

.page-faq .faq-group__head {
  display: flex;
  align-items: baseline;
  gap: 12px;
  padding-bottom: 10px;
  border-bottom: 2px solid var(--line);
  margin-bottom: 2px;
}

.page-faq .faq-group__tag {
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--orange);
  letter-spacing: 0.06em;
  flex: 0 0 auto;
}

.page-faq .faq-group__head h3 {
  font-family: var(--font-display);
  font-size: clamp(17px, 2.6vw, 21px);
  margin: 0;
  font-weight: 700;
}

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

.page-faq .faq-item > summary {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  padding: 16px 0;
  cursor: pointer;
  list-style: none;
}

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

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

.page-faq .faq-item__mark {
  flex: 0 0 auto;
  width: 22px;
  height: 22px;
  margin-top: 1px;
  display: grid;
  place-items: center;
  border: 1px solid var(--line);
  color: var(--orange);
  font-family: var(--font-mono);
  font-size: 14px;
  line-height: 1;
  transition: transform 0.25s var(--ease), border-color 0.25s var(--ease), background 0.25s var(--ease);
}

.page-faq .faq-item[open] .faq-item__mark {
  transform: rotate(45deg);
  border-color: var(--orange);
  background: rgba(255, 90, 31, 0.14);
}

.page-faq .faq-item__q {
  font-size: 15.5px;
  line-height: 1.55;
  font-weight: 600;
  color: var(--paper);
  transition: color 0.2s var(--ease);
}

.page-faq .faq-item > summary:hover .faq-item__q {
  color: var(--orange-soft);
}

.page-faq .faq-item__a {
  padding: 0 0 18px 34px;
  font-size: 14.5px;
  line-height: 1.8;
  color: rgba(244, 239, 226, 0.82);
}

.page-faq .faq-item__a p {
  margin: 0 0 10px;
}

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

.page-faq .faq-item__a strong {
  color: var(--paper);
  font-weight: 600;
}

.page-faq .faq-item__a a {
  color: var(--blue-soft);
  text-decoration: none;
  border-bottom: 1px solid rgba(127, 211, 255, 0.4);
}

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

.page-faq .faq-empty {
  margin: 20px 0 0;
  padding: 16px;
  border: 1px dashed var(--line);
  font-size: 14px;
  color: var(--sand);
}

.page-faq .faq-notes {
  display: grid;
  gap: 12px;
  align-content: start;
}

.page-faq .faq-note {
  border: 1px solid var(--line);
  border-top: 2px solid var(--blue);
  background: rgba(12, 43, 33, 0.55);
  padding: 15px 16px;
}

.page-faq .faq-note h4 {
  margin: 0 0 8px;
  font-size: 12.5px;
  letter-spacing: 0.08em;
  color: var(--blue-soft);
  font-weight: 600;
}

.page-faq .faq-note p {
  margin: 0;
  font-size: 13.5px;
  line-height: 1.7;
  color: rgba(244, 239, 226, 0.78);
}

/* ---------- 联系 ---------- */
.page-faq .faq-contact {
  padding: clamp(38px, 6.4vw, 84px) 0;
  background: var(--paper);
  color: var(--ink-text);
}

.page-faq .faq-contact__grid {
  display: grid;
  gap: 26px;
}

.page-faq .faq-contact__eyebrow {
  color: #b8400f;
  margin-bottom: 8px;
}

.page-faq .faq-contact h2 {
  font-family: var(--font-display);
  font-size: clamp(22px, 3.6vw, 34px);
  line-height: 1.25;
  margin: 0 0 14px;
  font-weight: 800;
  color: var(--ink-text);
}

.page-faq .faq-contact .lead {
  margin: 0 0 14px;
  font-size: 15px;
  line-height: 1.8;
  color: #3a4d44;
  max-width: 46ch;
}

.page-faq .faq-contact .note {
  margin: 0;
  font-size: 13.5px;
  line-height: 1.7;
  color: #4a5c53;
}

.page-faq .faq-contact .note a {
  color: #1a5bd0;
  text-decoration: none;
  border-bottom: 1px solid rgba(26, 91, 208, 0.4);
}

.page-faq .faq-contact .note a:hover {
  border-bottom-color: #1a5bd0;
}

.page-faq .faq-contact__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 1px;
  background: rgba(10, 34, 26, 0.16);
  border: 1px solid rgba(10, 34, 26, 0.16);
}

.page-faq .faq-contact__list li {
  background: var(--paper);
  padding: 13px 16px;
  display: flex;
  flex-wrap: wrap;
  gap: 4px 14px;
  align-items: baseline;
}

.page-faq .faq-contact__key {
  font-size: 12px;
  letter-spacing: 0.08em;
  color: #6a7c72;
  min-width: 84px;
}

.page-faq .faq-contact__val {
  font-size: 14.5px;
  color: var(--ink-text);
  font-family: var(--font-mono);
  word-break: break-word;
}

.page-faq .faq-contact__list li:nth-child(3) .faq-contact__val,
.page-faq .faq-contact__list li:nth-child(4) .faq-contact__val {
  font-family: var(--font-text);
}

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

  .page-faq .faq-steps {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

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

  .page-faq .faq-notes {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .page-faq .faq-contact__grid {
    grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
    gap: 32px;
    align-items: start;
  }
}

@media (min-width: 900px) {
  .page-faq .faq-layout {
    grid-template-columns: 180px minmax(0, 1fr);
    gap: 34px;
    align-items: start;
  }

  .page-faq .faq-tocwrap {
    position: static;
    background: transparent;
    backdrop-filter: none;
    padding: 0;
    border-bottom: 0;
    margin: 0;
  }

  .page-faq .faq-toc {
    position: sticky;
    top: var(--faq-sticky-top);
    display: block;
    border-left: 1px solid var(--line);
    padding-left: 14px;
  }

  .page-faq .faq-toc .toc__title {
    display: block;
    margin: 0 0 10px;
    font-size: 12px;
    letter-spacing: 0.1em;
    color: var(--sand);
  }

  .page-faq .faq-toc .toc__list {
    flex-direction: column;
    gap: 2px;
    overflow: visible;
    padding: 0;
  }

  .page-faq .faq-toc .toc__link {
    border: 0;
    border-radius: 0;
    padding: 7px 0;
    font-size: 13.5px;
  }

  .page-faq .faq-toc .toc__link:hover,
  .page-faq .faq-toc .toc__link:focus-visible {
    color: var(--orange-soft);
  }

  .page-faq .faq-notes {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .page-faq .faq-item__q {
    font-size: 16px;
  }

  .page-faq .faq-item__a {
    font-size: 15px;
    padding-left: 34px;
  }
}

@media (min-width: 1180px) {
  .page-faq .faq-layout {
    grid-template-columns: 180px minmax(0, 1fr) 236px;
    gap: 36px;
  }

  .page-faq .faq-notes {
    grid-template-columns: minmax(0, 1fr);
    position: sticky;
    top: var(--faq-sticky-top);
  }

  .page-faq .faq-hero__stats {
    gap: 16px 44px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-faq .faq-hot__item,
  .page-faq .faq-item__mark,
  .page-faq .faq-filter__btn,
  .page-faq .faq-item__q {
    transition: none;
  }

  .page-faq .faq-hot__item:hover {
    transform: none;
  }
}
<<<END>>>