.page-faq {
  --faq-mark-size: 12px;
  --faq-pad: 8px;
  color: var(--ink);
}

/* ===== 面包屑 ===== */
.page-faq .csg-crumbs {
  padding-top: 18px;
  padding-bottom: 4px;
}

/* ===== 首屏 ===== */
.page-faq .faq-hero {
  position: relative;
  isolation: isolate;
  overflow: hidden;
  padding: 34px 0 40px;
}

.page-faq .faq-hero__panel {
  position: absolute;
  top: -32%;
  right: -14%;
  width: min(480px, 74vw);
  height: 176%;
  background: linear-gradient(164deg, var(--red) 0%, var(--red-deep) 100%);
  opacity: 0.26;
  transform: rotate(-7deg);
  clip-path: polygon(0 0, 100% 0, 85% 100%, 11% 100%);
  pointer-events: none;
  z-index: -1;
}

.page-faq .faq-hero__inner {
  position: relative;
}

.page-faq .faq-hero__title {
  margin: 12px 0 0;
  font-size: clamp(30px, 8.4vw, 60px);
  font-weight: 900;
  line-height: 1.06;
  letter-spacing: -0.02em;
  max-width: 14em;
}

.page-faq .faq-hero__lead {
  margin: 18px 0 0;
  max-width: 42em;
  font-size: 16px;
  line-height: 1.85;
  color: var(--ink-dim);
}

.page-faq .faq-gate {
  display: grid;
  gap: 12px;
  margin-top: 26px;
}

.page-faq .faq-gate__item {
  display: flex;
  flex-direction: column;
  gap: 7px;
  padding: 17px 18px 19px;
  border: 1px solid var(--line);
  border-left: 3px solid var(--red);
  background-color: rgba(19, 26, 36, 0.72);
  color: var(--ink);
  text-decoration: none;
  transition: background-color 0.25s var(--ease), outline-color 0.25s var(--ease);
  outline: 1px solid transparent;
  outline-offset: -1px;
}

.page-faq .faq-gate__item--lime {
  border-left-color: var(--lime);
}

.page-faq .faq-gate__item:hover,
.page-faq .faq-gate__item:focus-visible {
  background-color: var(--night);
  outline-color: var(--line-strong);
}

.page-faq .faq-gate__tag {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--ink-faint);
}

.page-faq .faq-gate__name {
  font-size: 20px;
  font-weight: 800;
  letter-spacing: -0.01em;
}

.page-faq .faq-gate__desc {
  font-size: 14px;
  line-height: 1.65;
  color: var(--ink-dim);
}

.page-faq .faq-hero__stamp {
  margin: 20px 0 0;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.04em;
  color: var(--ink-faint);
}

.page-faq .faq-hero__stamp-v {
  color: var(--cyan);
}

/* ===== 主体两栏 ===== */
.page-faq .faq-shell {
  display: grid;
  gap: 34px;
  padding-bottom: 68px;
}

.page-faq .faq-index__list {
  list-style: none;
  margin: 12px 0 0;
  padding: 0;
  display: grid;
  gap: 4px;
}

.page-faq .faq-index__link {
  display: flex;
  gap: 10px;
  align-items: baseline;
  padding: 7px 0 7px 12px;
  border-left: 2px solid transparent;
  color: var(--ink-dim);
  text-decoration: none;
  font-size: 14px;
  line-height: 1.5;
  transition: color 0.2s var(--ease), border-color 0.2s var(--ease);
}

.page-faq .faq-index__link .idx {
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--ink-faint);
  transition: color 0.2s var(--ease);
}

.page-faq .faq-index__link:hover {
  color: var(--ink);
}

.page-faq .faq-index__link.is-active {
  color: var(--ink);
  border-left-color: var(--cyan);
}

.page-faq .faq-index__link.is-active .idx {
  color: var(--cyan);
}

/* ===== 分组 ===== */
.page-faq .faq-sec + .faq-sec {
  margin-top: 46px;
  padding-top: 34px;
  border-top: 1px solid var(--line);
}

.page-faq .faq-sec__head {
  display: flex;
  gap: 12px;
  align-items: baseline;
}

.page-faq .faq-sec__num {
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: 0.08em;
  color: var(--red);
}

.page-faq .faq-sec__title {
  margin: 0;
  font-size: clamp(22px, 4.6vw, 30px);
  font-weight: 800;
  line-height: 1.22;
  letter-spacing: -0.015em;
}

.page-faq .faq-sec__hint {
  margin: 12px 0 0;
  padding-left: 11px;
  border-left: 2px solid var(--cyan);
  font-size: 12.5px;
  letter-spacing: 0.02em;
  line-height: 1.7;
  color: var(--ink-faint);
}

/* ===== 图文分栏 ===== */
.page-faq .faq-split {
  display: grid;
  gap: 22px;
  margin-top: 22px;
}

.page-faq .faq-media {
  margin: 0;
}

.page-faq .faq-media--wide {
  margin-top: 22px;
}

.page-faq .faq-media img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  object-fit: cover;
  border: 1px solid var(--line);
}

.page-faq .faq-media__cap {
  margin-top: 10px;
  font-size: 12.5px;
  line-height: 1.75;
  color: var(--ink-faint);
}

/* ===== 问答列表 ===== */
.page-faq .faq-list {
  display: grid;
}

.page-faq .faq-list--after {
  margin-top: 22px;
}

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

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

.page-faq .faq-item > summary {
  display: flex;
  gap: 14px;
  align-items: flex-start;
  padding: 16px var(--faq-pad);
  cursor: pointer;
  list-style: none;
  transition: background-color 0.24s var(--ease);
}

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

.page-faq .faq-item > summary::marker {
  content: "";
}

.page-faq .faq-item > summary:hover,
.page-faq .faq-item > summary:focus-visible {
  background-color: rgba(19, 26, 36, 0.66);
}

.page-faq .faq-mark {
  flex: none;
  width: var(--faq-mark-size);
  height: var(--faq-mark-size);
  margin-top: 6px;
  border: 1px solid var(--line-strong);
  background-color: transparent;
  transition: background-color 0.24s var(--ease), border-color 0.24s var(--ease);
}

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

.page-faq .faq-q {
  font-size: 16.5px;
  font-weight: 700;
  line-height: 1.55;
  color: var(--ink);
}

.page-faq .faq-a {
  margin: 0;
  padding: 0 var(--faq-pad) 20px 34px;
  max-width: 46em;
  font-size: 15.5px;
  line-height: 1.85;
  color: var(--ink-dim);
}

/* ===== 更新节奏表 ===== */
.page-faq .faq-tablewrap {
  margin-top: 22px;
  border: 1px solid var(--line);
  background-color: var(--graphite);
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
}

.page-faq .faq-table {
  width: 100%;
  min-width: 700px;
  border-collapse: collapse;
  font-size: 14.5px;
}

.page-faq .faq-table th,
.page-faq .faq-table td {
  padding: 13px 16px;
  text-align: left;
  white-space: nowrap;
  border-bottom: 1px solid var(--line);
}

.page-faq .faq-table thead th {
  font-size: 11.5px;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--ink-faint);
  background-color: var(--graphite);
}

.page-faq .faq-table tbody td {
  color: var(--ink-dim);
}

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

.page-faq .faq-table th:first-child,
.page-faq .faq-table td:first-child {
  position: sticky;
  left: 0;
  z-index: 1;
  background-color: var(--graphite);
  box-shadow: 1px 0 0 var(--line);
  color: var(--ink);
  font-weight: 700;
}

.page-faq .faq-table .num {
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  letter-spacing: 0.01em;
  color: var(--cyan);
}

/* ===== 六个分类 ===== */
.page-faq .faq-cats {
  display: grid;
  gap: 1px;
  margin-top: 22px;
  background-color: var(--line);
  border: 1px solid var(--line);
}

.page-faq .faq-cat {
  display: flex;
  flex-direction: column;
  gap: 8px;
  padding: 20px 18px 22px;
  background-color: var(--graphite);
}

.page-faq .faq-cat:nth-child(3n + 2) {
  padding-top: 30px;
}

.page-faq .faq-cat__num {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.12em;
  color: var(--ink-faint);
}

.page-faq .faq-cat__name {
  margin: 0;
  font-size: 17px;
  font-weight: 800;
  letter-spacing: -0.01em;
}

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

.page-faq .faq-cat__go {
  margin-top: auto;
  align-self: flex-start;
  padding-bottom: 2px;
  font-size: 13px;
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px solid rgba(35, 224, 200, 0.36);
  transition: border-color 0.24s var(--ease), color 0.24s var(--ease);
}

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

/* ===== 误解澄清（浅色反转）===== */
.page-faq .faq-myth {
  margin-top: 46px;
  padding: 28px 20px 32px;
  background-color: var(--mist);
  color: var(--dark-text);
  border-top: 0;
}

.page-faq .faq-myth .faq-sec__num {
  color: var(--red-deep);
}

.page-faq .faq-myth .faq-sec__title {
  color: var(--dark-text);
}

.page-faq .faq-myth .faq-sec__hint {
  color: var(--dark-text-dim);
  border-left-color: var(--steel);
}

.page-faq .faq-myth__list {
  margin-top: 6px;
}

.page-faq .faq-myth__item {
  padding: 16px 0;
  border-top: 1px solid var(--line-dark);
}

.page-faq .faq-myth__item:first-child {
  border-top: 0;
}

.page-faq .faq-myth__item h3 {
  margin: 0 0 6px;
  font-size: 15.5px;
  font-weight: 800;
  color: var(--dark-text);
}

.page-faq .faq-myth__item p {
  margin: 0;
  max-width: 44em;
  font-size: 14.8px;
  line-height: 1.85;
  color: var(--dark-text-dim);
}

/* ===== 收尾 ===== */
.page-faq .faq-more__card {
  margin-top: 22px;
}

.page-faq .faq-more__text {
  padding: 20px 20px 0;
}

.page-faq .faq-more__links {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  padding: 20px;
}

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

  .page-faq .faq-cat:nth-child(3n + 2) {
    padding-top: 20px;
  }

  .page-faq .faq-cat:nth-child(2n) {
    padding-top: 30px;
  }

  .page-faq .faq-myth {
    padding: 34px 28px 38px;
  }
}

@media (min-width: 720px) {
  .page-faq .faq-gate {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 16px;
  }
}

/* ===== 桌面 ===== */
@media (min-width: 900px) {
  .page-faq .faq-hero {
    padding: 52px 0 56px;
  }

  .page-faq .faq-split {
    grid-template-columns: minmax(0, 0.85fr) minmax(0, 1.15fr);
    gap: 34px;
    align-items: start;
  }

  .page-faq .faq-sec + .faq-sec {
    margin-top: 66px;
    padding-top: 48px;
  }
}

@media (min-width: 1024px) {
  .page-faq .faq-shell {
    grid-template-columns: 216px minmax(0, 1fr);
    gap: 48px;
    padding-bottom: 104px;
  }

  .page-faq .faq-index {
    position: sticky;
    top: calc(var(--header-h) + 28px);
    align-self: start;
  }

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

  .page-faq .faq-cat:nth-child(2n) {
    padding-top: 20px;
  }

  .page-faq .faq-cat:nth-child(3n + 2) {
    padding-top: 30px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-faq .faq-gate__item,
  .page-faq .faq-index__link,
  .page-faq .faq-item > summary,
  .page-faq .faq-mark,
  .page-faq .faq-cat__go {
    transition: none;
  }
}
<<<END>>>