.page-pricing {
  --tier-base: var(--color-primary);
  --tier-standard: var(--color-accent);
  --tier-extend: color-mix(in srgb, var(--color-primary) 55%, var(--color-contrast-accent));
  --tier-mix: color-mix(in srgb, var(--color-ink-muted) 72%, var(--color-surface));
  --hero-tint: color-mix(in srgb, var(--color-primary-soft) 82%, var(--color-surface));
  --hairline: color-mix(in srgb, var(--color-primary) 32%, transparent);
  --gold-glow: color-mix(in srgb, var(--color-contrast-accent) 26%, transparent);
}

/* ---------- 面包屑 ---------- */
.page-pricing .breadcrumb {
  margin-top: var(--space-3);
  font-size: var(--text-sm);
  color: var(--color-ink-muted);
}

/* ---------- 首屏 ---------- */
.page-pricing .pricing-hero {
  width: min(calc(100% - var(--space-4)), var(--container));
  margin: var(--space-3) auto 0;
  padding: var(--space-6) var(--space-3);
  background: var(--hero-tint);
  border-radius: var(--radius-lg);
  position: relative;
  overflow: hidden;
}

.page-pricing .pricing-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image: repeating-linear-gradient(
    90deg,
    color-mix(in srgb, var(--color-primary) 14%, transparent) 0 1px,
    transparent 1px 46px
  );
  opacity: 0.5;
  pointer-events: none;
  z-index: 0;
}

.page-pricing .pricing-hero::after {
  content: "";
  position: absolute;
  right: -16%;
  bottom: -46%;
  width: 64%;
  aspect-ratio: 1 / 1;
  border-radius: 50%;
  background: radial-gradient(circle, var(--gold-glow) 0%, transparent 68%);
  pointer-events: none;
  z-index: 0;
}

.page-pricing .hero-grid {
  position: relative;
  z-index: 1;
  display: grid;
  gap: var(--space-4);
}

.page-pricing .hero-scale {
  display: none;
}

.page-pricing .hero-eyebrow {
  font-size: var(--text-sm);
  letter-spacing: 0.08em;
  color: var(--color-accent);
  margin-bottom: var(--space-2);
}

.page-pricing .hero-title {
  font-family: var(--font-heading);
  font-weight: var(--weight-heading);
  font-size: var(--text-display);
  line-height: var(--leading-heading);
  letter-spacing: var(--tracking-heading);
  color: var(--color-ink);
  max-width: 14ch;
  margin-bottom: var(--space-3);
}

.page-pricing .hero-lead {
  font-size: var(--text-lg);
  line-height: var(--leading-body);
  color: var(--color-ink-soft);
  max-width: var(--measure);
  margin-bottom: var(--space-4);
}

.page-pricing .stat-row {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: var(--space-3);
  padding-top: var(--space-3);
  border-top: 1px solid var(--hairline);
}

.page-pricing .stat-cell {
  display: flex;
  flex-direction: column;
  gap: var(--space-1);
}

.page-pricing .stat-num {
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  font-size: var(--text-figure);
  line-height: 1;
  letter-spacing: -0.02em;
  color: var(--color-primary);
}

.page-pricing .stat-label {
  font-size: var(--text-xs);
  line-height: 1.5;
  color: var(--color-ink-muted);
  max-width: 18ch;
}

/* ---------- 分组索引 ---------- */
.page-pricing .index-layout {
  display: grid;
  gap: var(--space-4);
}

.page-pricing .group-index {
  list-style: none;
  margin: 0;
  padding: 0;
}

.page-pricing .group-index-item + .group-index-item {
  margin-top: var(--space-2);
}

.page-pricing .group-index-item:nth-child(1) { --gi-accent: var(--tier-base); }
.page-pricing .group-index-item:nth-child(2) { --gi-accent: var(--tier-standard); }
.page-pricing .group-index-item:nth-child(3) { --gi-accent: var(--tier-extend); }
.page-pricing .group-index-item:nth-child(4) { --gi-accent: var(--tier-mix); }

.page-pricing .group-link {
  display: block;
  padding: var(--space-3);
  background: var(--color-surface);
  border-left: 4px solid var(--gi-accent);
  border-radius: var(--radius-sm);
  box-shadow: var(--shadow-1);
  color: inherit;
  text-decoration: none;
  transition: background-color 200ms ease, box-shadow 200ms ease;
}

.page-pricing .group-link:hover,
.page-pricing .group-link:focus-visible {
  background: var(--color-surface-deep);
  box-shadow: var(--shadow-2);
}

.page-pricing .group-link-num {
  display: block;
  font-size: var(--text-xs);
  letter-spacing: 0.14em;
  color: var(--color-ink-muted);
}

.page-pricing .group-link-name {
  display: block;
  margin-top: var(--space-1);
  font-family: var(--font-heading);
  font-weight: var(--weight-heading);
  font-size: var(--text-lg);
  line-height: var(--leading-heading);
  color: var(--color-ink);
}

.page-pricing .group-link-desc {
  display: block;
  margin-top: var(--space-1);
  font-size: var(--text-sm);
  line-height: 1.7;
  color: var(--color-ink-soft);
}

.page-pricing .group-link-count {
  display: inline-block;
  margin-top: var(--space-2);
  font-size: var(--text-xs);
  letter-spacing: 0.06em;
  color: var(--gi-accent);
}

.page-pricing .index-figure {
  margin: 0;
}

.page-pricing .figure img {
  display: block;
  width: 100%;
  height: auto;
  border-radius: var(--radius-md);
  object-fit: cover;
}

.page-pricing .media-caption {
  margin-top: var(--space-2);
  font-size: var(--text-xs);
  line-height: 1.6;
  color: var(--color-ink-muted);
}

/* ---------- 目录筛选 ---------- */
.page-pricing .catalog-banner {
  margin: 0 0 var(--space-4);
}

.page-pricing .filter-bar {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: var(--space-2);
  padding: var(--space-3);
  margin-bottom: var(--space-6);
  background: var(--color-surface-alt);
  border-radius: var(--radius-md);
}

.page-pricing .filter-label {
  font-size: var(--text-xs);
  letter-spacing: 0.1em;
  color: var(--color-ink-muted);
  margin-right: var(--space-1);
}

.page-pricing .filter-chip.is-active,
.page-pricing .filter-chip[aria-pressed="true"] {
  background: var(--color-primary);
  border-color: var(--color-primary);
  color: var(--color-primary-ink);
}

.page-pricing .filter-count {
  margin-left: auto;
  font-size: var(--text-sm);
  color: var(--color-ink-soft);
}

.page-pricing .filter-count [data-filter-count-value] {
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  color: var(--color-primary);
}

/* ---------- 分组与卡片 ---------- */
.page-pricing .tier-group + .tier-group {
  margin-top: var(--space-8);
}

.page-pricing .tier-group--base { --tier-accent: var(--tier-base); }
.page-pricing .tier-group--standard { --tier-accent: var(--tier-standard); }
.page-pricing .tier-group--extend { --tier-accent: var(--tier-extend); }
.page-pricing .tier-group--mix { --tier-accent: var(--tier-mix); }

.page-pricing .tier-group:not(:has(.tier-card:not([hidden]))) {
  display: none;
}

.page-pricing .group-head {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: var(--space-2);
  padding-bottom: var(--space-2);
  border-bottom: 1px solid var(--color-line);
}

.page-pricing .group-head::before {
  content: "";
  width: 30px;
  height: 3px;
  border-radius: var(--radius-pill);
  background: var(--tier-accent);
  flex: none;
}

.page-pricing .group-title {
  font-family: var(--font-heading);
  font-weight: var(--weight-heading);
  font-size: var(--text-lg);
  line-height: var(--leading-heading);
  color: var(--color-ink);
  margin: 0;
}

.page-pricing .group-count {
  margin-left: auto;
  font-size: var(--text-xs);
  letter-spacing: 0.08em;
  color: var(--color-ink-muted);
}

.page-pricing .group-intro {
  margin: var(--space-2) 0 var(--space-4);
  font-size: var(--text-sm);
  line-height: 1.8;
  color: var(--color-ink-soft);
  max-width: var(--measure);
}

.page-pricing .tier-grid {
  display: grid;
  grid-template-columns: repeat(12, minmax(0, 1fr));
  gap: var(--space-3);
}

.page-pricing .tier-card {
  grid-column: 1 / -1;
  position: relative;
  background: var(--color-surface);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-1);
  padding: var(--space-4) var(--space-3) var(--space-3) var(--space-4);
  overflow: hidden;
  transition: box-shadow 240ms ease;
}

.page-pricing .tier-card::before {
  content: "";
  position: absolute;
  inset: 0 auto 0 0;
  width: 5px;
  background: var(--tier-accent);
}

.page-pricing .tier-card::after {
  content: "";
  position: absolute;
  inset: 0;
  border-radius: inherit;
  background: radial-gradient(120% 90% at 100% 0%, var(--gold-glow) 0%, transparent 62%);
  opacity: 0;
  transition: opacity 260ms ease;
  pointer-events: none;
}

.page-pricing .tier-card:hover::after,
.page-pricing .tier-card:focus-within::after {
  opacity: 1;
}

.page-pricing .tier-card:hover {
  box-shadow: var(--shadow-2);
}

.page-pricing .tier-body {
  position: relative;
  z-index: 1;
}

.page-pricing .tier-head {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: var(--space-2);
}

.page-pricing .tier-code {
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  font-size: var(--text-sm);
  font-weight: 700;
  letter-spacing: 0.06em;
  color: var(--color-ink);
}

.page-pricing .tier-tag {
  margin-left: auto;
}

.page-pricing .tier-name {
  margin: var(--space-2) 0 0;
  font-family: var(--font-heading);
  font-weight: var(--weight-heading);
  font-size: var(--text-lg);
  line-height: var(--leading-heading);
  color: var(--color-ink);
}

.page-pricing .tier-fields {
  display: grid;
  gap: var(--space-1);
  margin: var(--space-3) 0 var(--space-3);
}

.page-pricing .tier-field {
  display: grid;
  grid-template-columns: 5.4em minmax(0, 1fr);
  gap: var(--space-1) var(--space-2);
  align-items: baseline;
}

.page-pricing .tier-field dt {
  font-size: var(--text-xs);
  letter-spacing: 0.06em;
  color: var(--color-ink-muted);
}

.page-pricing .tier-field dd {
  margin: 0;
  font-size: var(--text-sm);
  line-height: 1.8;
  color: var(--color-ink-soft);
}

.page-pricing .tier-status {
  margin: 0;
  padding-top: var(--space-2);
  border-top: 1px dashed var(--color-line);
  font-size: var(--text-xs);
  line-height: 1.6;
  color: var(--color-ink-muted);
}

.page-pricing .tier-status .mono {
  color: var(--tier-accent);
  letter-spacing: 0.08em;
  margin-right: var(--space-1);
}

/* ---------- 判断顺序 ---------- */
.page-pricing .choose-layout {
  display: grid;
  gap: var(--space-4);
}

.page-pricing .step-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: var(--space-4);
}

.page-pricing .step {
  position: relative;
  padding-left: var(--space-4);
  border-left: 2px solid var(--color-line);
}

.page-pricing .step::before {
  content: "";
  position: absolute;
  left: -7px;
  top: 6px;
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background: var(--color-primary-soft);
  border: 2px solid var(--color-primary);
}

.page-pricing .step-num {
  display: block;
  font-size: var(--text-xs);
  letter-spacing: 0.14em;
  color: var(--color-accent);
}

.page-pricing .step h3 {
  margin: var(--space-1) 0;
  font-family: var(--font-heading);
  font-weight: var(--weight-heading);
  font-size: var(--text-lg);
  line-height: var(--leading-heading);
  color: var(--color-ink);
}

.page-pricing .step p {
  margin: 0;
  font-size: var(--text-base);
  line-height: var(--leading-body);
  color: var(--color-ink-soft);
  max-width: var(--measure);
}

.page-pricing .choose-figure {
  margin: 0;
}

/* ---------- 对比入口 ---------- */
.page-pricing .compare-inner {
  display: grid;
  gap: var(--space-4);
}

.page-pricing .dim-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: var(--space-3);
}

.page-pricing .dim-item {
  padding: var(--space-3);
  background: color-mix(in srgb, var(--color-surface) 78%, transparent);
  border-radius: var(--radius-sm);
  border-top: 3px solid var(--color-primary);
}

.page-pricing .dim-num {
  display: block;
  font-size: var(--text-xs);
  letter-spacing: 0.12em;
  color: var(--color-accent);
}

.page-pricing .dim-item h3 {
  margin: var(--space-1) 0;
  font-family: var(--font-heading);
  font-weight: var(--weight-heading);
  font-size: var(--text-lg);
  line-height: var(--leading-heading);
  color: var(--color-ink);
}

.page-pricing .dim-item p {
  margin: 0;
  font-size: var(--text-sm);
  line-height: 1.8;
  color: var(--color-ink-soft);
}

.page-pricing .compare-actions {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: var(--space-3);
}

.page-pricing .compare-note {
  margin: 0;
  font-size: var(--text-sm);
  line-height: 1.8;
  color: var(--color-ink-soft);
  max-width: 42ch;
}

/* ---------- 常见疑问 ---------- */
.page-pricing .faq-list {
  display: grid;
  gap: var(--space-2);
}

.page-pricing .panel {
  background: var(--color-surface);
  border: 1px solid var(--color-line);
  border-radius: var(--radius-sm);
  overflow: hidden;
}

.page-pricing .panel summary {
  padding: var(--space-3);
  font-family: var(--font-heading);
  font-weight: var(--weight-heading);
  font-size: var(--text-base);
  line-height: 1.5;
  color: var(--color-ink);
  cursor: pointer;
}

.page-pricing .panel summary:focus-visible {
  outline: 2px solid var(--color-focus);
  outline-offset: -2px;
}

.page-pricing .panel[open] summary {
  color: var(--color-accent);
}

.page-pricing .panel-body {
  padding: 0 var(--space-3) var(--space-3);
}

.page-pricing .panel-body p {
  margin: 0;
  font-size: var(--text-sm);
  line-height: 1.9;
  color: var(--color-ink-soft);
  max-width: var(--measure);
}

.page-pricing .panel-body a {
  color: var(--color-accent);
  text-underline-offset: 3px;
}

/* ---------- 响应式 ---------- */
@media (min-width: 640px) {
  .page-pricing .pricing-hero {
    padding: var(--space-8) var(--space-4);
  }

  .page-pricing .stat-row {
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: var(--space-4);
  }
}

@media (min-width: 720px) {
  .page-pricing .dim-list {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (min-width: 900px) {
  .page-pricing .pricing-hero {
    padding: var(--space-8) var(--space-6);
  }

  .page-pricing .hero-grid {
    grid-template-columns: 132px minmax(0, 1fr);
    gap: var(--space-6);
    align-items: start;
  }

  .page-pricing .hero-scale {
    display: grid;
    gap: var(--space-3);
    padding-top: var(--space-2);
    border-top: 1px solid var(--hairline);
    align-content: start;
  }

  .page-pricing .scale-item {
    display: flex;
    align-items: baseline;
    gap: var(--space-1);
    font-size: var(--text-sm);
    letter-spacing: 0.04em;
    color: var(--color-ink-soft);
  }

  .page-pricing .scale-num {
    font-size: var(--text-xs);
    color: var(--color-primary);
  }

  .page-pricing .index-layout {
    grid-template-columns: minmax(0, 1fr) 300px;
    gap: var(--space-6);
    align-items: start;
  }

  .page-pricing .tier-card {
    grid-column: span 7;
  }

  .page-pricing .tier-card:nth-child(even) {
    grid-column: span 5;
  }

  .page-pricing .tier-card:last-child:nth-child(odd) {
    grid-column: 6 / -1;
  }

  .page-pricing .choose-layout {
    grid-template-columns: minmax(0, 1fr) 320px;
    gap: var(--space-6);
    align-items: start;
  }

  .page-pricing .compare-inner {
    grid-template-columns: minmax(0, 1fr) 240px;
    gap: var(--space-6);
    align-items: start;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-pricing .tier-card,
  .page-pricing .group-link,
  .page-pricing .tier-card::after {
    transition: none;
  }
}
<<<END>>>