.page-faq {
  --faq-line: var(--line-green);
  --faq-soft: rgba(79, 227, 193, .12);
  color: var(--chalk-white);
  padding-bottom: 120px;
  overflow-x: hidden;
}

/* 面包屑 */
.page-faq .breadcrumb {
  padding-top: 22px;
  font-size: var(--fs-meta);
  letter-spacing: .06em;
}
.page-faq .breadcrumb__list {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin: 0;
  padding: 0;
  list-style: none;
  color: var(--fog-gray);
}
.page-faq .breadcrumb__item + .breadcrumb__item::before {
  content: "/";
  margin-right: 6px;
  color: var(--line-green);
}
.page-faq .breadcrumb a {
  color: var(--fog-gray);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: color .24s var(--ease), border-color .24s var(--ease);
}
.page-faq .breadcrumb a:hover,
.page-faq .breadcrumb a:focus-visible {
  color: var(--fluor-cyan);
  border-bottom-color: var(--fluor-cyan);
}

/* 首屏 */
.page-faq .faq-hero {
  padding-top: clamp(24px, 5vw, 56px);
}
.page-faq .faq-hero__grid {
  display: grid;
  gap: clamp(26px, 5vw, 56px);
  align-items: end;
}
.page-faq .faq-hero__title {
  font-family: var(--font-display);
  font-size: clamp(30px, 7vw, 54px);
  line-height: 1.18;
  letter-spacing: -.02em;
  margin: 16px 0 20px;
  transform: skewY(-1.2deg);
  transform-origin: left bottom;
}
.page-faq .faq-hero__lede {
  max-width: 40em;
}
.page-faq .faq-hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 26px;
}
.page-faq .faq-hero__stats {
  display: flex;
  flex-wrap: wrap;
  gap: clamp(16px, 4vw, 40px);
  margin: clamp(28px, 5vw, 44px) 0 0;
  padding-top: 20px;
  border-top: 1px solid var(--faq-line);
}
.page-faq .faq-hero__stat {
  min-width: 0;
}
.page-faq .faq-hero__stat dt {
  font-size: var(--fs-meta);
  letter-spacing: .14em;
  color: var(--fog-gray);
  text-transform: uppercase;
}
.page-faq .faq-hero__stat dd {
  margin: 6px 0 0;
  font-family: var(--font-mono);
  font-size: var(--fs-lg);
  color: var(--chalk-white);
}
.page-faq .faq-hero__frame {
  position: relative;
  margin: 0;
  padding: 10px;
  background: var(--stand-green);
  border: 1px solid var(--faq-line);
}
.page-faq .faq-hero__frame::before,
.page-faq .faq-hero__frame::after {
  content: "";
  position: absolute;
  width: 22px;
  height: 22px;
  pointer-events: none;
}
.page-faq .faq-hero__frame::before {
  top: -1px;
  left: -1px;
  border-top: 2px solid var(--fluor-cyan);
  border-left: 2px solid var(--fluor-cyan);
}
.page-faq .faq-hero__frame::after {
  right: -1px;
  bottom: -1px;
  border-right: 2px solid var(--ember-orange);
  border-bottom: 2px solid var(--ember-orange);
}
.page-faq .faq-hero__frame img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  aspect-ratio: 14 / 9;
  object-fit: cover;
  filter: saturate(.86) contrast(1.05);
}
.page-faq .faq-hero__frame .media__caption {
  margin-top: 10px;
  font-size: var(--fs-meta);
  line-height: 1.6;
  color: var(--fog-gray);
}

/* 主题索引 */
.page-faq .faq-index {
  padding-top: clamp(48px, 8vw, 92px);
}
.page-faq .faq-index__intro {
  margin-top: 14px;
  max-width: 42em;
  color: var(--fog-gray);
}
.page-faq .faq-index__grid {
  display: grid;
  gap: 0;
  margin-top: clamp(22px, 4vw, 34px);
  border-top: 1px solid var(--faq-line);
  border-left: 1px solid var(--faq-line);
}
.page-faq .faq-index__col {
  display: grid;
  align-content: start;
}
.page-faq .faq-index__item {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr) auto;
  gap: 12px;
  align-items: baseline;
  padding: 15px 16px;
  border-right: 1px solid var(--faq-line);
  border-bottom: 1px solid var(--faq-line);
  background: var(--ink-night);
  color: var(--chalk-white);
  text-decoration: none;
  transition: background .26s var(--ease), color .26s var(--ease);
}
.page-faq .faq-index__item:hover,
.page-faq .faq-index__item:focus-visible {
  background: var(--stand-green);
  color: var(--fluor-cyan);
  outline: none;
}
.page-faq .faq-index__no {
  font-family: var(--font-mono);
  font-size: var(--fs-meta);
  letter-spacing: .12em;
  color: var(--ember-orange);
}
.page-faq .faq-index__name {
  font-size: var(--fs-body);
  line-height: 1.4;
  overflow-wrap: anywhere;
}
.page-faq .faq-index__count {
  font-family: var(--font-mono);
  font-size: var(--fs-sm);
  color: var(--fog-gray);
}
.page-faq .faq-index__item:hover .faq-index__count {
  color: var(--fluor-cyan);
}

/* 分组通用 */
.page-faq .faq-groups {
  display: grid;
  gap: clamp(40px, 7vw, 76px);
  margin-top: clamp(48px, 8vw, 90px);
}
.page-faq .faq-group,
.page-faq .faq-rules,
.page-faq .faq-feedback {
  scroll-margin-top: 120px;
}
.page-faq .faq-group__head {
  position: relative;
  display: grid;
  gap: 6px;
  padding-bottom: 14px;
  border-bottom: 1px solid var(--faq-line);
}
.page-faq .faq-group__head::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: -1px;
  width: 76px;
  height: 2px;
  background: var(--fluor-cyan);
}
.page-faq .faq-group__no {
  font-family: var(--font-mono);
  font-size: var(--fs-meta);
  letter-spacing: .2em;
  color: var(--ember-orange);
}
.page-faq .faq-group__title {
  margin: 0;
  font-size: clamp(24px, 4.4vw, 34px);
}
.page-faq .faq-group__note {
  margin: 0;
  font-size: var(--fs-sm);
  color: var(--fog-gray);
  line-height: 1.6;
}

/* 折叠清单 */
.page-faq .faq-list {
  margin: 0;
  padding: 0;
  list-style: none;
}
.page-faq .faq-item {
  border-bottom: 1px dashed var(--faq-line);
}
.page-faq .faq-item__q {
  display: flex;
  gap: 16px;
  align-items: flex-start;
  justify-content: space-between;
  width: 100%;
  padding: 18px 4px;
  background: none;
  border: 0;
  color: var(--chalk-white);
  font-family: var(--font-body);
  font-size: var(--fs-body);
  line-height: 1.65;
  text-align: left;
  cursor: pointer;
  transition: color .22s var(--ease);
}
.page-faq .faq-item__q:hover,
.page-faq .faq-item__q:focus-visible {
  color: var(--fluor-cyan);
  outline: none;
}
.page-faq .faq-item__q[aria-expanded="true"] {
  color: var(--fluor-cyan);
}
.page-faq .faq-item__text {
  flex: 1 1 auto;
  min-width: 0;
}
.page-faq .faq-item__sign {
  position: relative;
  flex: 0 0 auto;
  width: 18px;
  height: 18px;
  margin-top: 5px;
}
.page-faq .faq-item__sign::before,
.page-faq .faq-item__sign::after {
  content: "";
  position: absolute;
  background: var(--fluor-cyan);
  transition: transform .28s var(--ease), opacity .28s var(--ease);
}
.page-faq .faq-item__sign::before {
  left: 0;
  top: 8px;
  width: 18px;
  height: 2px;
}
.page-faq .faq-item__sign::after {
  left: 8px;
  top: 0;
  width: 2px;
  height: 18px;
}
.page-faq .faq-item__q[aria-expanded="true"] .faq-item__sign::after {
  transform: scaleY(0);
  opacity: 0;
}

.page-faq .expand-panel {
  display: none;
}
.page-faq .expand-panel[data-open] {
  display: block;
  animation: faq-panel-in .32s var(--ease) both;
}
@keyframes faq-panel-in {
  from { opacity: 0; transform: translateY(-6px); }
  to { opacity: 1; transform: translateY(0); }
}

.page-faq .faq-item__a {
  margin: 0 0 20px;
  padding: 18px 20px;
  background: var(--paper-ash);
  color: var(--ink-night);
  border-left: 3px solid var(--fluor-cyan);
  border-radius: 2px;
  font-size: var(--fs-sm);
  line-height: 1.85;
}
.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 a {
  color: var(--stand-green);
  text-decoration: underline;
  text-underline-offset: 3px;
}
.page-faq .faq-item__a a:hover {
  color: var(--ember-orange);
}
.page-faq .faq-item__tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 14px !important;
  padding-top: 12px;
  border-top: 1px dashed rgba(8, 19, 15, .22);
}
.page-faq .faq-item__a .tag {
  background: rgba(8, 19, 15, .07);
  border: 1px solid rgba(8, 19, 15, .18);
  color: var(--stand-green);
}

/* 规则步骤 */
.page-faq .faq-rules__body {
  display: grid;
  gap: clamp(20px, 4vw, 36px);
  margin-top: clamp(22px, 4vw, 34px);
}
.page-faq .faq-rules__media {
  margin: 0;
  padding: 10px;
  border: 1px solid var(--faq-line);
  background: var(--stand-green);
}
.page-faq .faq-rules__media img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  aspect-ratio: 3 / 2;
  object-fit: cover;
  filter: saturate(.82) contrast(1.06);
}
.page-faq .faq-rules__media .media__caption {
  margin-top: 10px;
  font-size: var(--fs-meta);
  line-height: 1.6;
  color: var(--fog-gray);
}
.page-faq .faq-rules__intro {
  margin: 0;
  color: var(--chalk-white);
}

.page-faq .faq-rules__steps {
  display: grid;
  gap: 0;
  margin: clamp(24px, 4vw, 36px) 0 0;
  padding: 0;
  list-style: none;
  counter-reset: faq-step;
  border-top: 1px solid var(--faq-line);
}
.page-faq .faq-step {
  display: grid;
  gap: 10px;
  padding: 22px 0;
  border-bottom: 1px solid var(--faq-line);
}
.page-faq .faq-step__no {
  font-family: var(--font-mono);
  font-size: var(--fs-xl);
  line-height: 1;
  letter-spacing: .06em;
  color: var(--volt-purple);
}
.page-faq .faq-step__title {
  margin: 0 0 10px;
  font-family: var(--font-display);
  font-size: var(--fs-lg);
  letter-spacing: -.01em;
  color: var(--chalk-white);
}
.page-faq .faq-step__body p {
  margin: 0 0 12px;
  max-width: 44em;
  font-size: var(--fs-body);
  line-height: 1.8;
  color: var(--chalk-white);
}
.page-faq .faq-step__meta {
  display: inline-block;
  margin: 0;
  padding: 6px 12px;
  border: 1px dashed var(--faq-line);
  background: var(--faq-soft);
  font-family: var(--font-mono);
  font-size: var(--fs-meta);
  letter-spacing: .04em;
  color: var(--fluor-cyan);
}

/* 反馈卡片 */
.page-faq .faq-feedback__grid {
  display: grid;
  gap: 14px;
  margin-top: clamp(22px, 4vw, 32px);
}
.page-faq .faq-feedback__card {
  padding: 20px 20px 22px;
  background: var(--stand-green);
  border: 1px solid var(--faq-line);
  border-radius: 2px;
  transition: border-color .26s var(--ease), transform .26s var(--ease);
}
.page-faq .faq-feedback__card:hover {
  border-color: var(--fluor-cyan);
  transform: translateY(-2px);
}
.page-faq .faq-feedback__title {
  margin: 0 0 10px;
  font-family: var(--font-display);
  font-size: var(--fs-lg);
  letter-spacing: -.01em;
  color: var(--chalk-white);
}
.page-faq .faq-feedback__card p {
  margin: 0;
  font-size: var(--fs-sm);
  line-height: 1.8;
  color: var(--fog-gray);
  overflow-wrap: anywhere;
}
.page-faq .faq-feedback__card a {
  color: var(--fluor-cyan);
  text-decoration: underline;
  text-underline-offset: 3px;
}
.page-faq .faq-feedback__card a:hover {
  color: var(--ember-orange);
}

/* 页尾吸附反馈入口 */
.page-faq .faq-dock {
  position: fixed;
  left: var(--shell-x);
  right: var(--shell-x);
  bottom: 14px;
  z-index: 30;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 10px 12px 10px 16px;
  background: rgba(15, 42, 34, .95);
  border: 1px solid var(--faq-line);
  border-left: 3px solid var(--ember-orange);
  border-radius: 2px;
  backdrop-filter: blur(8px);
}
.page-faq .faq-dock__text {
  font-size: var(--fs-sm);
  color: var(--chalk-white);
  line-height: 1.4;
}
.page-faq .faq-dock__btn {
  flex: 0 0 auto;
}

/* 平板及以上 */
@media (min-width: 760px) {
  .page-faq .faq-index__grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
  .page-faq .faq-index__col--b {
    padding-top: 26px;
  }
  .page-faq .faq-feedback__grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 18px;
  }
  .page-faq .faq-step {
    grid-template-columns: 72px minmax(0, 1fr);
    gap: 22px;
    padding: 26px 0;
  }
  .page-faq .faq-step__no {
    font-size: var(--fs-2xl);
  }
}

/* 桌面 */
@media (min-width: 1024px) {
  .page-faq .faq-hero__grid {
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
    gap: clamp(40px, 5vw, 76px);
  }
  .page-faq .faq-rules__body {
    grid-template-columns: minmax(0, 5fr) minmax(0, 6fr);
    align-items: center;
  }
  .page-faq .faq-rules__steps {
    padding-left: 0;
  }
  .page-faq .faq-groups {
    gap: clamp(56px, 7vw, 96px);
  }
  .page-faq .faq-dock {
    left: auto;
    right: calc(var(--shell-x) + var(--rail-w));
    width: min(440px, 100%);
    bottom: 22px;
  }
}
<<<END>>>