.page-faq {
  --faq-rule: rgba(42, 90, 82, 0.38);
  --faq-panel: rgba(10, 47, 40, 0.86);
  position: relative;
  isolation: isolate;
  overflow-x: hidden;
  color: var(--c-white);
  font-family: var(--font-body);
  font-size: var(--step-2);
  line-height: 1.75;
  background:
    radial-gradient(90% 42% at 88% 0%, rgba(59, 240, 208, 0.10), transparent 62%),
    radial-gradient(70% 38% at 4% 80%, rgba(255, 122, 26, 0.07), transparent 60%),
    var(--c-pitch);
  padding: clamp(24px, 4.4vw, 56px) var(--gutter) clamp(72px, 9vw, 128px);
}

.page-faq::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: -1;
  pointer-events: none;
  background-image:
    linear-gradient(var(--faq-rule) 1px, transparent 1px),
    linear-gradient(90deg, var(--faq-rule) 1px, transparent 1px);
  background-size: 24px 24px;
  opacity: 0.42;
}

.page-faq .faq-inner {
  width: 100%;
  max-width: var(--max-w);
  margin: 0 auto;
}

/* ---------- 面包屑 ---------- */
.page-faq .breadcrumb-list {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  list-style: none;
  margin: 0;
  padding: 0;
  font-size: var(--step-0);
  letter-spacing: 0.08em;
  color: var(--c-index);
}

.page-faq .breadcrumb-item + .breadcrumb-item::before {
  content: "/";
  margin-right: 8px;
  color: var(--c-grid);
}

.page-faq .breadcrumb-item a {
  color: var(--c-index);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: color 160ms var(--ease), border-color 160ms var(--ease);
}

.page-faq .breadcrumb-item a:hover {
  color: var(--c-neon);
  border-bottom-color: var(--c-neon);
}

.page-faq .breadcrumb-item[aria-current="page"] {
  color: var(--c-white);
}

/* ---------- 首屏 ---------- */
.page-faq .faq-hero {
  display: grid;
  gap: var(--gutter);
  padding-bottom: clamp(28px, 4vw, 52px);
  border-bottom: 1px solid var(--hairline);
}

.page-faq .faq-kicker {
  font-family: var(--font-mono);
  font-size: var(--step-0);
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--c-neon);
  margin: 22px 0 14px;
}

.page-faq .faq-hero h1 {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: var(--step-7);
  line-height: 0.98;
  letter-spacing: 0.01em;
  margin: 0 0 22px;
}

.page-faq .faq-h1-accent {
  display: block;
  color: var(--c-neon);
}

.page-faq .faq-lede {
  max-width: 40ch;
  margin: 0;
  font-size: var(--step-2);
  color: rgba(230, 244, 241, 0.84);
}

.page-faq .faq-hero-status {
  align-self: end;
  border: 1px solid var(--glass-line);
  border-left: 3px solid var(--c-orange);
  background: linear-gradient(180deg, rgba(16, 64, 58, 0.88), rgba(10, 47, 40, 0.72));
  padding: 18px 20px;
  display: grid;
  gap: 8px;
}

.page-faq .faq-status-label {
  margin: 0;
  font-size: var(--step-0);
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--c-index);
}

.page-faq .faq-status-when {
  margin: 0;
  font-family: var(--font-mono);
  font-size: var(--step-4);
  line-height: 1.1;
  color: var(--c-timer);
  font-variant-numeric: tabular-nums;
}

.page-faq .faq-status-note {
  margin: 0;
  font-size: var(--step-1);
  color: var(--c-index);
  line-height: 1.65;
}

/* ---------- 章节通用 ---------- */
.page-faq .section {
  margin-top: clamp(52px, 7vw, 96px);
}

.page-faq .section-head {
  max-width: 46rem;
  margin-bottom: clamp(20px, 3vw, 34px);
}

.page-faq .section-index {
  margin: 0 0 10px;
  font-family: var(--font-mono);
  font-size: var(--step-0);
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--c-neon);
}

.page-faq .section-title {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: var(--step-5);
  line-height: 1.12;
  letter-spacing: 0.01em;
  margin: 0 0 12px;
}

.page-faq .section-sub {
  margin: 0;
  font-size: var(--step-1);
  color: var(--c-index);
  line-height: 1.75;
}

/* ---------- 01 三步路径 ---------- */
.page-faq .faq-step-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 1px;
  background: var(--faq-rule);
  border: 1px solid var(--faq-rule);
}

.page-faq .faq-step {
  position: relative;
  display: grid;
  align-content: start;
  gap: 10px;
  padding: 26px 22px 24px;
  background: var(--c-locker);
}

.page-faq .faq-step::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 56px;
  height: 2px;
  background: var(--c-neon);
}

.page-faq .faq-step-no {
  font-family: var(--font-mono);
  font-size: var(--step-5);
  line-height: 1;
  letter-spacing: -0.02em;
  color: var(--c-neon);
  font-variant-numeric: tabular-nums;
}

.page-faq .faq-step-title {
  font-family: var(--font-display);
  font-size: var(--step-3);
  font-weight: 600;
  letter-spacing: 0.02em;
  margin: 0;
}

.page-faq .faq-step-text {
  margin: 0;
  font-size: var(--step-1);
  color: rgba(230, 244, 241, 0.82);
}

.page-faq .faq-step-scale {
  margin: 0;
  padding-top: 12px;
  border-top: 1px dashed var(--faq-rule);
  font-family: var(--font-mono);
  font-size: var(--step-0);
  letter-spacing: 0.04em;
  color: var(--c-timer);
  font-variant-numeric: tabular-nums;
}

.page-faq .faq-figure {
  margin: clamp(20px, 3vw, 32px) 0 0;
}

.page-faq .faq-figure img,
.page-faq .faq-term-figure img {
  display: block;
  width: 100%;
  height: auto;
  max-width: 100%;
  object-fit: cover;
  border: 1px solid var(--glass-line);
  background: var(--c-locker);
}

.page-faq .faq-figure figcaption,
.page-faq .faq-term-figure figcaption {
  margin-top: 12px;
  font-size: var(--step-0);
  letter-spacing: 0.04em;
  color: var(--c-index);
}

/* ---------- 02 按人群 ---------- */
.page-faq .faq-role-filter {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 0 0 22px;
}

.page-faq .filter-btn {
  font-family: var(--font-body);
  font-size: var(--step-1);
  color: var(--c-white);
  background: var(--c-locker);
  border: 1px solid var(--glass-line);
  border-radius: var(--radius);
  padding: 8px 18px;
  cursor: pointer;
  transition: color 160ms var(--ease), border-color 160ms var(--ease), background 160ms var(--ease);
}

.page-faq .filter-btn:hover,
.page-faq .filter-btn[aria-pressed="true"] {
  color: var(--c-neon);
  border-color: var(--c-neon);
  background: rgba(59, 240, 208, 0.08);
}

.page-faq .filter-btn:focus-visible {
  outline: 2px solid var(--c-orange);
  outline-offset: 2px;
}

.page-faq .faq-role-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 16px;
}

.page-faq .faq-role-card {
  display: grid;
  align-content: start;
  gap: 10px;
  padding: 22px 22px 20px;
  background: linear-gradient(180deg, rgba(10, 47, 40, 0.95), rgba(4, 33, 29, 0.92));
  border: 1px solid var(--hairline);
  border-top: 2px solid var(--c-neon);
  border-radius: var(--radius);
}

.page-faq .faq-role-card .card-tag {
  margin: 0;
  font-family: var(--font-mono);
  font-size: var(--step-0);
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--c-neon);
}

.page-faq .faq-role-card .card-title {
  margin: 0;
  font-family: var(--font-display);
  font-size: var(--step-3);
  font-weight: 600;
  line-height: 1.3;
}

.page-faq .faq-role-card .card-body {
  margin: 0;
  font-size: var(--step-1);
  color: rgba(230, 244, 241, 0.82);
}

.page-faq .faq-role-card .card-meta {
  margin: 0;
  padding-top: 12px;
  border-top: 1px dashed var(--faq-rule);
  font-size: var(--step-0);
  color: var(--c-index);
}

.page-faq .faq-role-card .card-meta a {
  color: var(--c-neon);
  text-decoration: none;
  border-bottom: 1px solid rgba(59, 240, 208, 0.4);
}

.page-faq .faq-role-card .card-meta a:hover {
  border-bottom-color: var(--c-neon);
}

/* ---------- 03 折叠问答 ---------- */
.page-faq .faq-qa-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 10px;
}

.page-faq .panel {
  border: 1px solid var(--hairline);
  border-radius: var(--radius);
  background: linear-gradient(180deg, rgba(10, 47, 40, 0.9), rgba(4, 33, 29, 0.9));
}

.page-faq .faq-qa-head {
  margin: 0;
  font-size: inherit;
  font-weight: inherit;
}

.page-faq .panel-trigger {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  width: 100%;
  padding: 16px 18px;
  background: none;
  border: 0;
  color: var(--c-white);
  font-family: var(--font-body);
  font-size: var(--step-2);
  line-height: 1.6;
  text-align: left;
  cursor: pointer;
  transition: color 160ms var(--ease);
}

.page-faq .panel-trigger::before {
  content: "+";
  flex: none;
  font-family: var(--font-mono);
  font-size: var(--step-3);
  line-height: 1.2;
  color: var(--c-neon);
}

.page-faq .panel-trigger[aria-expanded="true"]::before {
  content: "–";
}

.page-faq .panel-trigger:hover {
  color: var(--c-neon);
}

.page-faq .panel-trigger:focus-visible {
  outline: 2px solid var(--c-orange);
  outline-offset: -2px;
}

.page-faq .panel-body {
  display: block;
}

.page-faq .panel-body[data-open="false"] {
  display: none;
}

.page-faq .panel-body-inner {
  padding: 0 18px 18px 46px;
  font-size: var(--step-1);
  color: var(--c-index);
  line-height: 1.75;
}

.page-faq .panel-body-inner p {
  margin: 0;
}

/* ---------- 04 数据刷新 ---------- */
.page-faq .faq-refresh-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(24px, 4vw, 48px);
  align-items: center;
  border: 1px solid var(--glass-line);
  background: linear-gradient(140deg, rgba(16, 64, 58, 0.62), rgba(4, 33, 29, 0.9));
  padding: clamp(22px, 3.4vw, 40px);
}

.page-faq .faq-refresh-list {
  list-style: none;
  margin: 22px 0 0;
  padding: 0;
  display: grid;
  gap: 1px;
  background: var(--faq-rule);
  border-top: 1px solid var(--faq-rule);
}

.page-faq .faq-refresh-list li {
  display: grid;
  gap: 6px;
  padding: 14px 0;
  background: transparent;
}

.page-faq .faq-refresh-key {
  font-family: var(--font-mono);
  font-size: var(--step-0);
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--c-neon);
}

.page-faq .faq-refresh-val {
  font-size: var(--step-1);
  color: rgba(230, 244, 241, 0.84);
}

.page-faq .faq-dial-wrap {
  justify-self: center;
  text-align: center;
  max-width: 260px;
}

.page-faq .faq-dial {
  width: min(260px, 68vw);
  height: auto;
  display: block;
  margin: 0 auto;
}

.page-faq .faq-dial-cap {
  margin: 12px 0 0;
  font-size: var(--step-0);
  letter-spacing: 0.04em;
  color: var(--c-index);
}

/* ---------- 05 订阅与纠错 ---------- */
.page-faq .faq-sub-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 16px;
}

.page-faq .faq-sub-card {
  display: grid;
  align-content: start;
  gap: 12px;
  padding: 24px 22px;
  border: 1px solid var(--hairline);
  border-radius: var(--radius);
  background: var(--c-locker);
}

.page-faq .faq-sub-card-fix {
  background: linear-gradient(180deg, rgba(16, 64, 58, 0.72), rgba(10, 47, 40, 0.8));
  border-color: rgba(255, 122, 26, 0.35);
}

.page-faq .faq-sub-tag {
  justify-self: start;
  margin: 0;
  display: inline-block;
  padding: 3px 10px;
  border-radius: var(--radius);
  font-family: var(--font-mono);
  font-size: var(--step-0);
  letter-spacing: 0.08em;
}

.page-faq .faq-sub-tag.tag-accent {
  color: var(--c-pitch);
  background: var(--c-neon);
}

.page-faq .faq-sub-tag.tag-change {
  color: var(--c-pitch);
  background: var(--c-orange);
}

.page-faq .faq-sub-title {
  margin: 0;
  font-family: var(--font-display);
  font-size: var(--step-3);
  font-weight: 600;
  line-height: 1.3;
}

.page-faq .faq-sub-body {
  margin: 0;
  font-size: var(--step-1);
  color: rgba(230, 244, 241, 0.84);
}

.page-faq .faq-sub-note {
  margin: 0;
  font-size: var(--step-0);
  color: var(--c-index);
}

.page-faq .faq-sub-list {
  list-style: none;
  margin: 0;
  padding: 14px 0 0;
  border-top: 1px dashed var(--faq-rule);
  display: grid;
  gap: 8px;
  font-size: var(--step-1);
  color: var(--c-index);
}

.page-faq .faq-mail {
  font-family: var(--font-mono);
  letter-spacing: -0.01em;
  color: var(--c-white);
  word-break: break-all;
}

.page-faq .faq-sub-card .btn {
  justify-self: start;
}

/* ---------- 按钮 ---------- */
.page-faq .btn {
  display: inline-block;
  padding: 10px 20px;
  border-radius: var(--radius);
  font-family: var(--font-body);
  font-size: var(--step-1);
  text-decoration: none;
  transition: background 160ms var(--ease), color 160ms var(--ease), border-color 160ms var(--ease);
}

.page-faq .btn-primary {
  background: var(--c-orange);
  color: var(--c-pitch);
  border: 1px solid var(--c-orange);
  font-weight: 600;
}

.page-faq .btn-primary:hover {
  background: var(--c-timer);
  border-color: var(--c-timer);
}

.page-faq .btn-ghost {
  background: transparent;
  color: var(--c-white);
  border: 1px solid var(--glass-line);
}

.page-faq .btn-ghost:hover {
  color: var(--c-neon);
  border-color: var(--c-neon);
}

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

/* ---------- 06 术语速查 ---------- */
.page-faq .faq-term-layout {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(20px, 3vw, 36px);
}

.page-faq .faq-term-cols {
  display: grid;
  grid-template-columns: 1fr;
  gap: 26px 32px;
}

.page-faq .faq-term-group {
  border-top: 1px solid var(--glass-line);
  padding-top: 16px;
}

.page-faq .faq-term-group-title {
  margin: 0 0 12px;
  font-family: var(--font-display);
  font-size: var(--step-1);
  font-weight: 600;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--c-neon);
}

.page-faq .faq-term-list {
  margin: 0;
}

.page-faq .faq-term-row {
  display: grid;
  grid-template-columns: 6.4em minmax(0, 1fr);
  gap: 12px;
  padding: 7px 0;
  border-bottom: 1px dashed rgba(42, 90, 82, 0.24);
  transition: background 160ms var(--ease);
}

.page-faq .faq-term-row:hover {
  background: rgba(59, 240, 208, 0.06);
}

.page-faq .faq-term-row dt {
  font-size: var(--step-1);
  color: var(--c-white);
  font-weight: 600;
}

.page-faq .faq-term-row dd {
  margin: 0;
  font-size: var(--step-0);
  line-height: 1.7;
  color: var(--c-index);
}

.page-faq .faq-term-figure {
  margin: 0;
}

/* ---------- 结尾入口 ---------- */
.page-faq .faq-outro {
  margin-top: clamp(56px, 7vw, 104px);
  padding: clamp(24px, 4vw, 44px);
  border: 1px solid var(--glass-line);
  border-left: 3px solid var(--c-neon);
  background: linear-gradient(120deg, rgba(16, 64, 58, 0.7), rgba(4, 33, 29, 0.92));
}

.page-faq .faq-outro-title {
  margin: 0 0 12px;
  font-family: var(--font-display);
  font-size: var(--step-5);
  font-weight: 700;
  line-height: 1.14;
}

.page-faq .faq-outro-text {
  margin: 0 0 22px;
  max-width: 44rem;
  font-size: var(--step-1);
  color: var(--c-index);
}

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

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

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

  .page-faq .faq-refresh-list li {
    grid-template-columns: 8.5em minmax(0, 1fr);
    align-items: baseline;
    gap: 16px;
  }
}

@media (min-width: 860px) {
  .page-faq .faq-step-list {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .page-faq .faq-hero {
    grid-template-columns: minmax(0, 1fr) 250px;
    align-items: end;
    gap: clamp(24px, 4vw, 56px);
  }

  .page-faq .faq-refresh-grid {
    grid-template-columns: minmax(0, 1fr) 260px;
  }

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

@media (min-width: 1100px) {
  .page-faq .faq-term-layout {
    grid-template-columns: minmax(0, 2fr) minmax(0, 1fr);
    align-items: start;
  }

  .page-faq .faq-term-figure {
    position: sticky;
    top: 32px;
  }

  .page-faq .faq-term-cols {
    gap: 32px 40px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-faq .filter-btn,
  .page-faq .btn,
  .page-faq .panel-trigger,
  .page-faq .faq-term-row,
  .page-faq .breadcrumb-item a {
    transition: none;
  }
}
</final>