.page-faq {
  --faq-block: clamp(20px, 3vw, 30px);
  --faq-hair: 1px solid var(--edge-line);
}

/* ---------- Hero ---------- */
.page-faq .faq-hero {
  position: relative;
  overflow: hidden;
  padding-block: clamp(30px, 5vw, 62px) clamp(24px, 3.5vw, 40px);
}

.page-faq .faq-hero::before {
  content: "";
  position: absolute;
  left: -18%;
  right: -18%;
  top: -45%;
  height: 165%;
  background:
    radial-gradient(46% 100% at 22% 88%, rgba(154, 99, 255, 0.3), transparent 68%),
    radial-gradient(38% 90% at 82% 78%, rgba(20, 216, 182, 0.16), transparent 70%);
  pointer-events: none;
  z-index: 0;
}

.page-faq .faq-hero::after {
  content: "";
  position: absolute;
  inset: 0;
  background-image: repeating-linear-gradient(
    180deg,
    rgba(244, 244, 248, 0.03) 0 1px,
    transparent 1px 4px
  );
  opacity: 0.55;
  pointer-events: none;
  z-index: 1;
}

.page-faq .faq-hero > .container {
  position: relative;
  z-index: 2;
}

.page-faq .faq-kicker {
  display: inline-flex;
  align-items: center;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.16em;
  color: var(--arcade-teal);
  border: 1px solid rgba(20, 216, 182, 0.35);
  border-radius: var(--radius-pill);
  padding: 6px 14px;
  background: rgba(20, 216, 182, 0.07);
}

.page-faq .faq-title {
  margin: 16px 0 0;
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: clamp(30px, 6.4vw, 54px);
  line-height: 1.16;
  letter-spacing: -0.01em;
  color: var(--paper-white);
  max-width: 20em;
  overflow-wrap: break-word;
}

.page-faq .faq-lede {
  margin: 18px 0 0;
  max-width: 62ch;
  font-size: 16.5px;
  line-height: 1.78;
  color: var(--paper-mute);
}

.page-faq .faq-hero-facts {
  margin-top: 28px;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
  gap: 12px;
  max-width: 720px;
}

.page-faq .faq-fact {
  border: var(--faq-hair);
  border-radius: var(--radius-card);
  background: linear-gradient(180deg, var(--panel-ink), rgba(22, 22, 31, 0.35));
  padding: 14px 16px;
}

.page-faq .faq-fact-value {
  font-family: var(--font-display);
  font-size: clamp(24px, 3.4vw, 32px);
  font-weight: 700;
  line-height: 1.1;
  letter-spacing: -0.01em;
  color: var(--paper-white);
}

.page-faq .faq-fact-label {
  margin-top: 6px;
  font-size: 12.5px;
  line-height: 1.55;
  color: var(--paper-mute);
}

/* ---------- 章节头微调 ---------- */
.page-faq .section-head .section-sub {
  max-width: 60ch;
}

/* ---------- 01 分类筛选 ---------- */
.page-faq .faq-filter {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  margin-bottom: 22px;
}

.page-faq .filter-btn {
  font-family: var(--font-body);
  font-size: 13px;
  line-height: 1;
  padding: 9px 16px;
  border-radius: var(--radius-pill);
  border: 1px solid var(--edge-line);
  background: transparent;
  color: var(--paper-mute);
  cursor: pointer;
  transition: color 0.2s var(--ease), border-color 0.2s var(--ease), background-color 0.2s var(--ease);
}

.page-faq .filter-btn:hover {
  color: var(--paper-white);
  border-color: rgba(154, 99, 255, 0.55);
}

.page-faq .filter-btn[aria-pressed="true"] {
  color: var(--base-ink);
  background: var(--neon-violet);
  border-color: var(--neon-violet);
}

.page-faq .faq-filter .filter-count {
  margin-left: auto;
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--paper-mute);
}

.page-faq .faq-list {
  display: grid;
  gap: 12px;
}

.page-faq .faq-item {
  position: relative;
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: 6px 16px;
  align-items: start;
  padding: 18px 20px;
  border: var(--faq-hair);
  border-radius: var(--radius-card);
  background: var(--panel-ink);
  transition: border-color 0.25s var(--ease), transform 0.25s var(--ease);
}

.page-faq .faq-item::before {
  content: "";
  position: absolute;
  left: 0;
  top: 16px;
  bottom: 16px;
  width: 2px;
  border-radius: 2px;
  background: linear-gradient(180deg, var(--neon-violet), rgba(154, 99, 255, 0));
  opacity: 0;
  transition: opacity 0.25s var(--ease);
}

.page-faq .faq-item:hover {
  border-color: rgba(154, 99, 255, 0.45);
  transform: translateX(3px);
}

.page-faq .faq-item:hover::before {
  opacity: 1;
}

.page-faq .faq-item-code {
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: 0.08em;
  color: var(--neon-violet);
  border: 1px solid rgba(154, 99, 255, 0.35);
  border-radius: 8px;
  padding: 4px 8px;
  white-space: nowrap;
}

.page-faq .faq-item-title {
  margin: 2px 0 6px;
  font-family: var(--font-heading);
  font-size: 17.5px;
  font-weight: 700;
  line-height: 1.35;
  color: var(--paper-white);
}

.page-faq .faq-item-text {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.72;
  color: var(--paper-mute);
}

.page-faq .faq-figure {
  margin: clamp(26px, 4vw, 44px) 0 0;
  border: var(--faq-hair);
  border-radius: var(--radius-panel);
  overflow: hidden;
  background: var(--panel-ink);
}

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

.page-faq .faq-figure .media-frame-caption {
  padding: 12px 18px 16px;
  font-size: 13px;
  line-height: 1.65;
  color: var(--paper-mute);
}

/* ---------- 02 三步自查 ---------- */
.page-faq .faq-steps {
  display: grid;
  gap: 22px;
}

.page-faq .faq-rail {
  display: flex;
  align-items: center;
  list-style: none;
  margin: 0 0 6px;
  padding: 0;
  border: var(--faq-hair);
  border-radius: var(--radius-pill);
  background: var(--panel-ink);
  padding: 10px 14px;
}

.page-faq .faq-rail-item {
  flex: 1 1 0;
  display: flex;
  align-items: center;
  min-width: 0;
}

.page-faq .faq-rail-item:not(:last-child)::after {
  content: "";
  flex: 1 1 auto;
  height: 2px;
  margin: 0 8px;
  border-radius: 2px;
  background: linear-gradient(90deg, var(--arcade-teal), rgba(20, 216, 182, 0.2));
}

.page-faq .faq-rail-link {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  text-decoration: none;
  color: var(--paper-mute);
  min-width: 0;
}

.page-faq .faq-rail-num {
  flex: none;
  display: grid;
  place-items: center;
  width: 38px;
  height: 38px;
  border-radius: 50%;
  border: 1px solid var(--arcade-teal);
  background: rgba(20, 216, 182, 0.08);
  color: var(--arcade-teal);
  font-family: var(--font-mono);
  font-size: 15px;
  transition: transform 0.25s var(--ease), background-color 0.25s var(--ease), color 0.25s var(--ease);
}

.page-faq .faq-rail-label {
  font-size: 13.5px;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  transition: color 0.2s var(--ease);
}

.page-faq .faq-rail-link:hover .faq-rail-num,
.page-faq .faq-rail-link:focus-visible .faq-rail-num {
  transform: scale(1.14);
  background: var(--arcade-teal);
  color: var(--base-ink);
}

.page-faq .faq-rail-link:hover .faq-rail-label,
.page-faq .faq-rail-link:focus-visible .faq-rail-label {
  color: var(--paper-white);
}

.page-faq .faq-step-list {
  display: grid;
  gap: 14px;
}

.page-faq .faq-step {
  position: relative;
  padding: 20px 20px 20px 24px;
  border: var(--faq-hair);
  border-radius: var(--radius-panel);
  background: var(--panel-ink);
  overflow: hidden;
  scroll-margin-top: calc(var(--header-h) + 20px);
}

.page-faq .faq-step::before {
  content: "";
  position: absolute;
  left: 0;
  top: 18px;
  bottom: 18px;
  width: 2px;
  border-radius: 2px;
  background: linear-gradient(180deg, var(--arcade-teal), rgba(20, 216, 182, 0));
}

.page-faq .faq-step-head {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 10px 12px;
  margin-bottom: 10px;
}

.page-faq .faq-step-tag {
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: 0.14em;
  color: var(--arcade-teal);
}

.page-faq .faq-step-title {
  margin: 0;
  font-family: var(--font-heading);
  font-size: 19px;
  font-weight: 700;
  line-height: 1.4;
  color: var(--paper-white);
}

.page-faq .faq-step-text {
  margin: 0 0 14px;
  font-size: 15px;
  line-height: 1.78;
  color: var(--paper-mute);
}

.page-faq .faq-step-check {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px;
  padding: 11px 14px;
  border-radius: var(--radius-card);
  border: 1px solid rgba(20, 216, 182, 0.24);
  background: rgba(20, 216, 182, 0.07);
}

.page-faq .faq-step-check-tag {
  font-family: var(--font-mono);
  font-size: 11.5px;
  padding: 3px 8px;
  border-radius: 6px;
  background: var(--arcade-teal);
  color: var(--base-ink);
  white-space: nowrap;
}

.page-faq .faq-step-check-text {
  margin: 0;
  flex: 1 1 180px;
  font-size: 14px;
  line-height: 1.65;
  color: var(--paper-white);
}

.page-faq .faq-step-figure {
  margin: 0;
  border: var(--faq-hair);
  border-radius: var(--radius-panel);
  overflow: hidden;
  background: var(--panel-ink);
}

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

.page-faq .faq-step-figure .media-frame-caption {
  padding: 12px 18px 16px;
  font-size: 13px;
  line-height: 1.65;
  color: var(--paper-mute);
}

/* ---------- 03 折叠条文 ---------- */
.page-faq .faq-fold-group {
  display: grid;
  gap: 12px;
}

.page-faq .faq-fold {
  border: var(--faq-hair);
  border-radius: var(--radius-panel);
  background: var(--panel-ink);
  overflow: hidden;
  transition: border-color 0.25s var(--ease);
}

.page-faq .faq-fold[open] {
  border-color: rgba(154, 99, 255, 0.4);
}

.page-faq .faq-fold-summary {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 18px 20px;
  cursor: pointer;
  list-style: none;
  color: var(--paper-white);
}

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

.page-faq .faq-fold-summary .rule-code {
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: 0.06em;
  padding: 4px 9px;
  border-radius: 6px;
  background: var(--paper-white);
  color: var(--base-ink);
  white-space: nowrap;
}

.page-faq .faq-fold-q {
  flex: 1 1 auto;
  min-width: 0;
  font-family: var(--font-heading);
  font-size: 16.5px;
  font-weight: 700;
  line-height: 1.5;
}

.page-faq .faq-fold-caret {
  flex: none;
  width: 9px;
  height: 9px;
  border-right: 2px solid var(--neon-violet);
  border-bottom: 2px solid var(--neon-violet);
  transform: rotate(45deg) translateY(-2px);
  transition: transform 0.24s var(--ease);
}

.page-faq .faq-fold[open] .faq-fold-caret,
.page-faq .faq-confuse-item[open] .faq-fold-caret {
  transform: rotate(225deg) translateY(-2px);
}

.page-faq .faq-fold-body {
  padding: 0 20px 20px;
  border-top: 1px solid var(--edge-line);
  margin-top: -1px;
  padding-top: 16px;
}

.page-faq .faq-fold-body p {
  margin: 0 0 10px;
  font-size: 15px;
  line-height: 1.78;
  color: var(--paper-mute);
}

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

/* ---------- 04 提交核对 ---------- */
.page-faq .faq-request {
  display: grid;
  gap: 18px;
}

.page-faq .faq-request-main {
  position: relative;
  padding: clamp(22px, 3vw, 34px);
  border: 1px solid rgba(255, 176, 58, 0.32);
  border-left: 3px solid var(--amber-warn);
  border-radius: var(--radius-panel);
  background: linear-gradient(155deg, rgba(92, 54, 8, 0.58), rgba(22, 22, 31, 0.94));
}

.page-faq .faq-request-index {
  margin: 0;
  font-family: var(--font-display);
  font-size: clamp(38px, 5.4vw, 56px);
  font-weight: 700;
  line-height: 1;
  letter-spacing: -0.01em;
  color: rgba(255, 176, 58, 0.55);
}

.page-faq .faq-request-title {
  margin: 10px 0 0;
  font-family: var(--font-heading);
  font-size: clamp(20px, 3vw, 27px);
  font-weight: 700;
  line-height: 1.35;
  color: var(--paper-white);
}

.page-faq .faq-request-text {
  margin: 12px 0 0;
  max-width: 58ch;
  font-size: 15px;
  line-height: 1.78;
  color: var(--paper-mute);
}

.page-faq .faq-req-list {
  list-style: none;
  margin: 20px 0 0;
  padding: 0;
  display: grid;
  gap: 10px;
}

.page-faq .faq-req-item {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: 12px;
  align-items: baseline;
}

.page-faq .faq-req-key {
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: 0.06em;
  padding: 4px 9px;
  border-radius: 6px;
  background: var(--paper-white);
  color: var(--base-ink);
  white-space: nowrap;
}

.page-faq .faq-req-desc {
  font-size: 14.5px;
  line-height: 1.7;
  color: var(--paper-mute);
}

.page-faq .faq-request-side {
  display: flex;
  flex-direction: column;
  gap: 14px;
  padding: 22px;
  border: var(--faq-hair);
  border-radius: var(--radius-panel);
  background: var(--panel-ink);
}

.page-faq .faq-side-title {
  margin: 0;
  font-family: var(--font-heading);
  font-size: 17px;
  font-weight: 700;
  color: var(--paper-white);
}

.page-faq .faq-side-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 9px;
}

.page-faq .faq-side-list li {
  position: relative;
  padding-left: 18px;
  font-size: 14.5px;
  line-height: 1.65;
  color: var(--paper-mute);
}

.page-faq .faq-side-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 9px;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--arcade-teal);
}

.page-faq .faq-side-note {
  margin: 0;
  padding-top: 14px;
  border-top: 1px solid var(--edge-line);
  font-size: 13.5px;
  line-height: 1.7;
  color: var(--paper-mute);
}

.page-faq .faq-request-side .btn {
  align-self: flex-start;
  margin-top: 2px;
}

/* ---------- 05 三组概念 ---------- */
.page-faq .faq-confuse {
  display: grid;
  gap: 12px;
}

.page-faq .faq-confuse-item {
  border: var(--faq-hair);
  border-radius: var(--radius-panel);
  background: var(--panel-ink);
  overflow: hidden;
  transition: border-color 0.25s var(--ease);
}

.page-faq .faq-confuse-item[open] {
  border-color: rgba(20, 216, 182, 0.38);
}

.page-faq .faq-confuse-head {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px 14px;
  padding: 18px 20px;
  cursor: pointer;
  list-style: none;
}

.page-faq .faq-confuse-head::-webkit-details-marker {
  display: none;
}

.page-faq .faq-confuse-pair {
  display: inline-flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  font-family: var(--font-heading);
  font-size: 16.5px;
  font-weight: 700;
  color: var(--paper-white);
}

.page-faq .faq-confuse-pair em {
  font-style: normal;
}

.page-faq .faq-confuse-pair i {
  font-style: normal;
  font-family: var(--font-mono);
  font-size: 15px;
  color: var(--amber-warn);
}

.page-faq .faq-confuse-hint {
  font-size: 12.5px;
  color: var(--paper-mute);
  border: 1px dashed var(--edge-line);
  border-radius: var(--radius-pill);
  padding: 4px 11px;
}

.page-faq .faq-confuse-head .faq-fold-caret {
  margin-left: auto;
}

.page-faq .faq-confuse-body {
  padding: 0 20px 20px;
  border-top: 1px solid var(--edge-line);
  padding-top: 16px;
}

.page-faq .faq-confuse-body > p {
  margin: 0 0 12px;
  font-size: 15px;
  line-height: 1.78;
  color: var(--paper-mute);
}

.page-faq .faq-confuse-judge {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px;
  margin: 0 !important;
  padding: 11px 14px;
  border-radius: var(--radius-card);
  border: 1px solid rgba(154, 99, 255, 0.28);
  background: rgba(154, 99, 255, 0.08);
  color: var(--paper-white) !important;
  font-size: 14px !important;
}

.page-faq .faq-confuse-judge-tag {
  font-family: var(--font-mono);
  font-size: 11.5px;
  padding: 3px 8px;
  border-radius: 6px;
  background: var(--neon-violet);
  color: var(--base-ink);
  white-space: nowrap;
}

/* ---------- 收尾 ---------- */
.page-faq .faq-outro {
  margin-top: clamp(26px, 4vw, 44px);
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 20px 22px;
  border: var(--faq-hair);
  border-radius: var(--radius-panel);
  background: linear-gradient(120deg, rgba(154, 99, 255, 0.12), rgba(22, 22, 31, 0.9));
}

.page-faq .faq-outro-text {
  margin: 0;
  flex: 1 1 280px;
  font-size: 14.5px;
  line-height: 1.72;
  color: var(--paper-mute);
}

.page-faq .faq-outro-links {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

/* ---------- 响应式 ---------- */
@media (min-width: 720px) {
  .page-faq .faq-list {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (min-width: 960px) {
  .page-faq .faq-steps {
    grid-template-columns: minmax(0, 1.55fr) minmax(240px, 0.85fr);
    grid-template-areas:
      "rail rail"
      "list media";
    gap: 26px 30px;
    align-items: start;
  }

  .page-faq .faq-rail {
    grid-area: rail;
  }

  .page-faq .faq-step-list {
    grid-area: list;
  }

  .page-faq .faq-step-figure {
    grid-area: media;
    position: sticky;
    top: calc(var(--header-h) + 24px);
  }

  .page-faq .faq-request {
    grid-template-columns: minmax(0, 1.4fr) minmax(260px, 0.85fr);
    align-items: start;
  }
}

@media (max-width: 479px) {
  .page-faq .faq-title {
    font-size: clamp(26px, 8vw, 34px);
  }

  .page-faq .faq-rail {
    padding: 8px 10px;
  }

  .page-faq .faq-rail-label {
    display: none;
  }

  .page-faq .faq-rail-num {
    width: 34px;
    height: 34px;
    font-size: 14px;
  }

  .page-faq .faq-filter .filter-count {
    margin-left: 0;
    width: 100%;
  }

  .page-faq .faq-confuse-head {
    padding: 16px;
  }

  .page-faq .faq-confuse-body,
  .page-faq .faq-fold-body,
  .page-faq .faq-fold-summary {
    padding-left: 16px;
    padding-right: 16px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-faq .faq-item,
  .page-faq .faq-rail-num,
  .page-faq .faq-fold-caret,
  .page-faq .filter-btn {
    transition: none;
  }

  .page-faq .faq-item:hover {
    transform: none;
  }

  .page-faq .faq-rail-link:hover .faq-rail-num {
    transform: none;
  }
}
<<<END>>>