.page-pricing {
  background: var(--color-surface);
  color: var(--color-ink);
  overflow-x: hidden;
}

/* ---------- 首屏 ---------- */
.page-pricing .pricing-hero {
  position: relative;
  isolation: isolate;
  overflow: hidden;
  padding-block: calc(var(--section-y) + var(--space-6)) var(--section-y);
  border-bottom: var(--border-thin) solid var(--color-line);
  background:
    radial-gradient(120% 85% at 90% -18%, color-mix(in srgb, var(--color-primary) 30%, transparent) 0%, transparent 62%),
    radial-gradient(85% 60% at -5% 112%, color-mix(in srgb, var(--color-accent) 13%, transparent) 0%, transparent 58%),
    var(--color-surface);
}

.page-pricing .pricing-hero::before {
  content: "";
  position: absolute;
  z-index: -1;
  top: 4%;
  right: -14%;
  width: 64%;
  height: 86%;
  transform: skewY(-9deg);
  background: linear-gradient(145deg,
    color-mix(in srgb, var(--color-primary) 42%, transparent) 0%,
    color-mix(in srgb, var(--color-accent) 12%, transparent) 68%,
    transparent 100%);
  opacity: 0.5;
  pointer-events: none;
}

.page-pricing .hero-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-6);
  align-items: end;
}

.page-pricing .hero-copy h1 {
  margin: var(--space-3) 0 var(--space-4);
  font-family: var(--font-heading);
  font-size: var(--text-display);
  font-weight: var(--weight-heading);
  line-height: 1.02;
  letter-spacing: -0.015em;
  color: var(--color-ink);
  overflow-wrap: break-word;
}

.page-pricing .hero-copy h1 em {
  display: block;
  font-style: normal;
  color: var(--color-primary);
}

.page-pricing .hero-copy .lead {
  max-width: 46ch;
  color: var(--color-ink-soft);
}

.page-pricing .hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2);
  margin-top: var(--space-4);
}

.page-pricing .hero-figure {
  margin: 0;
  border-radius: var(--radius-lg);
  overflow: hidden;
  border: var(--border-thin) solid color-mix(in srgb, var(--color-primary) 48%, transparent);
  box-shadow: 0 0 34px color-mix(in srgb, var(--color-primary) 20%, transparent);
}

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

.page-pricing .hero-band {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-4);
  margin-top: var(--space-8);
}

/* 三档纵向对照条 */
.page-pricing .tier-strip {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--border-thin);
  background: var(--color-line);
  border: var(--border-thin) solid var(--color-line);
  border-radius: var(--radius-lg);
  overflow: hidden;
}

.page-pricing .tier-card {
  display: flex;
  flex-direction: column;
  gap: var(--space-1);
  padding: var(--space-4) var(--space-3) var(--space-6);
  background: var(--color-surface-alt);
}

.page-pricing .tier-card:nth-child(2) {
  background: var(--color-surface-deep);
}

.page-pricing .tier-card:nth-child(3) {
  background: color-mix(in srgb, var(--color-primary) 28%, var(--color-surface-deep));
}

.page-pricing .tier-name {
  font-family: var(--font-mono);
  font-size: var(--text-sm);
  letter-spacing: 0.1em;
  color: var(--color-ink-soft);
  margin: 0;
}

.page-pricing .tier-num {
  margin: var(--space-1) 0 0;
  font-family: var(--font-mono);
  font-size: var(--text-figure);
  font-weight: 600;
  line-height: 0.92;
  letter-spacing: -0.03em;
  color: var(--color-accent);
}

.page-pricing .tier-unit {
  margin: 0;
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  letter-spacing: 0.08em;
  color: var(--color-ink-muted);
}

.page-pricing .tier-body {
  margin: var(--space-2) 0 0;
  font-size: var(--text-base);
  line-height: 1.7;
  color: var(--color-ink);
}

.page-pricing .tier-tags {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-1);
  margin: var(--space-3) 0 0;
  padding: 0;
  list-style: none;
}

/* 口径基线 */
.page-pricing .hero-stats {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
  padding: var(--space-4) var(--space-3);
  border: var(--border-thin) solid var(--color-line);
  border-radius: var(--radius-lg);
  background: color-mix(in srgb, var(--color-surface-deep) 72%, transparent);
}

.page-pricing .stat-list {
  display: grid;
  gap: var(--space-1);
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-pricing .stat-list li {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: var(--space-2);
  padding-block: var(--space-2);
  border-bottom: var(--border-thin) solid var(--color-line);
}

.page-pricing .stat-list li:last-child {
  border-bottom: 0;
  padding-bottom: 0;
}

.page-pricing .stat-num {
  font-family: var(--font-mono);
  font-size: var(--text-figure);
  font-weight: 600;
  line-height: 1;
  letter-spacing: -0.03em;
  color: var(--color-accent);
}

.page-pricing .stat-label {
  font-size: var(--text-sm);
  color: var(--color-ink-soft);
}

/* 分节锚点 */
.page-pricing .anchor-nav {
  display: flex;
  gap: var(--space-1);
  margin-top: var(--space-6);
  padding-top: var(--space-3);
  border-top: var(--border-thin) solid var(--color-line);
  overflow-x: auto;
}

.page-pricing .anchor-nav a {
  flex: none;
  padding: 6px 12px;
  border: var(--border-thin) solid transparent;
  border-radius: var(--radius-pill);
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  letter-spacing: 0.08em;
  color: var(--color-ink-muted);
  text-decoration: none;
  white-space: nowrap;
  transition: color 200ms ease, border-color 200ms ease, background-color 200ms ease;
}

.page-pricing .anchor-nav a:hover,
.page-pricing .anchor-nav a[aria-current="true"] {
  color: var(--color-accent);
  border-color: color-mix(in srgb, var(--color-accent) 45%, transparent);
  background: var(--color-highlight);
}

.page-pricing .anchor-nav a:focus-visible {
  outline: var(--border-thick) solid var(--color-focus);
  outline-offset: 2px;
}

/* ---------- 通用章节头 ---------- */
.page-pricing .pricing-head {
  max-width: 62ch;
}

.page-pricing .sec-num {
  display: block;
  margin-bottom: var(--space-2);
  font-family: var(--font-mono);
  font-size: var(--text-4xl);
  font-weight: 600;
  line-height: 0.9;
  letter-spacing: -0.04em;
  color: color-mix(in srgb, var(--color-primary) 78%, transparent);
}

.page-pricing .section-head h2 {
  margin: var(--space-2) 0 var(--space-3);
  font-family: var(--font-heading);
  font-size: var(--text-3xl);
  font-weight: var(--weight-heading);
  line-height: var(--leading-heading);
  letter-spacing: var(--tracking-heading);
  color: var(--color-ink);
}

.page-pricing .section-head .lead {
  margin: 0;
  color: var(--color-ink-soft);
}

/* ---------- 02 难点 ---------- */
.page-pricing .friction-list {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-6);
  margin: var(--space-8) 0 0;
  padding: 0;
  list-style: none;
}

.page-pricing .friction-item {
  padding-top: var(--space-3);
  border-top: var(--border-thick) solid color-mix(in srgb, var(--color-primary) 55%, transparent);
}

.page-pricing .friction-idx {
  margin: 0;
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  letter-spacing: 0.14em;
  color: var(--color-primary);
}

.page-pricing .friction-item h3 {
  margin: var(--space-2) 0 var(--space-2);
  font-family: var(--font-heading);
  font-size: var(--text-lg);
  font-weight: var(--weight-heading);
  line-height: 1.35;
  color: var(--color-ink);
}

.page-pricing .friction-item p {
  margin: 0 0 var(--space-2);
  font-size: var(--text-base);
  line-height: 1.74;
  color: var(--color-ink-soft);
}

.page-pricing .friction-do {
  color: var(--color-ink) !important;
}

/* ---------- 03 四个主题 ---------- */
.page-pricing .theme-track {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-4);
  margin: var(--space-8) 0 0;
  padding: 0;
  list-style: none;
}

.page-pricing .theme-node {
  position: relative;
  padding: var(--space-4);
  border: var(--border-thin) solid var(--color-line);
  border-radius: var(--radius-md);
  background: var(--color-surface-alt);
  transition: border-color 200ms ease, box-shadow 200ms ease;
}

.page-pricing .theme-node:hover {
  border-color: color-mix(in srgb, var(--color-accent) 45%, transparent);
  box-shadow: var(--shadow-1);
}

.page-pricing .theme-idx {
  display: block;
  margin-bottom: var(--space-2);
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  letter-spacing: 0.14em;
  color: var(--color-ink-muted);
}

.page-pricing .theme-node h3 {
  margin: 0 0 var(--space-2);
  font-family: var(--font-heading);
  font-size: var(--text-xl);
  font-weight: var(--weight-heading);
  color: var(--color-ink);
}

.page-pricing .theme-node p {
  margin: 0;
  font-size: var(--text-base);
  line-height: 1.74;
  color: var(--color-ink-soft);
}

.page-pricing .theme-foot {
  margin: var(--space-6) 0 0;
  font-size: var(--text-base);
  line-height: 1.74;
  color: var(--color-ink-soft);
}

.page-pricing .theme-foot a,
.page-pricing .compare-foot a,
.page-pricing .choice-pick a {
  color: var(--color-accent);
  text-decoration: underline;
  text-underline-offset: 4px;
}

.page-pricing .theme-foot a:focus-visible,
.page-pricing .compare-foot a:focus-visible,
.page-pricing .choice-pick a:focus-visible {
  outline: var(--border-thick) solid var(--color-focus);
  outline-offset: 2px;
}

/* ---------- 04 交付 ---------- */
.page-pricing .delivery-layout {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-6);
}

.page-pricing .deliver-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-3);
  margin: var(--space-6) 0 0;
  padding: 0;
  list-style: none;
}

.page-pricing .deliver-item {
  padding: var(--space-3);
  border: var(--border-thin) solid var(--color-line);
  border-left: var(--border-thick) solid color-mix(in srgb, var(--color-accent) 60%, transparent);
  border-radius: var(--radius-sm);
  background: color-mix(in srgb, var(--color-surface) 70%, transparent);
}

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

.page-pricing .deliver-item p {
  margin: 0;
  font-size: var(--text-base);
  line-height: 1.72;
  color: var(--color-ink-soft);
}

.page-pricing .rhythm-note {
  margin-top: var(--space-4);
  padding: var(--space-3) var(--space-4);
  border-radius: var(--radius-md);
  background: var(--color-primary-soft);
  border: var(--border-thin) solid color-mix(in srgb, var(--color-primary) 50%, transparent);
}

.page-pricing .rhythm-note p:last-child {
  margin: var(--space-2) 0 0;
  font-size: var(--text-base);
  line-height: 1.74;
  color: var(--color-ink);
}

.page-pricing .delivery-figure {
  margin: 0;
  align-self: start;
}

.page-pricing .delivery-figure figcaption {
  margin-top: var(--space-2);
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  line-height: 1.7;
  letter-spacing: 0.04em;
  color: var(--color-ink-muted);
}

/* ---------- 05 对照表（强对比区块） ---------- */
.page-pricing .section--contrast {
  color: var(--color-contrast-ink);
}

.page-pricing .section--contrast .sec-num {
  color: var(--color-contrast-accent);
}

.page-pricing .section--contrast .eyebrow {
  color: var(--color-contrast-accent);
}

.page-pricing .section--contrast .section-head h2 {
  color: var(--color-contrast-ink);
}

.page-pricing .section--contrast .section-head .lead {
  color: color-mix(in srgb, var(--color-contrast-ink) 76%, transparent);
}

.page-pricing .compare-table {
  min-width: 720px;
}

.page-pricing .section--contrast .data-table {
  color: var(--color-contrast-ink);
}

.page-pricing .section--contrast .data-table th,
.page-pricing .section--contrast .data-table td {
  border-color: var(--color-contrast-line);
  color: var(--color-contrast-ink);
}

.page-pricing .section--contrast .data-table caption {
  color: color-mix(in srgb, var(--color-contrast-ink) 70%, transparent);
}

.page-pricing .section--contrast .data-table thead th {
  background: color-mix(in srgb, var(--color-contrast-ink) 10%, transparent);
  color: var(--color-contrast-accent);
}

.page-pricing .section--contrast .data-table tbody th[scope="row"] {
  color: var(--color-contrast-accent);
}

.page-pricing .compare-foot {
  margin: var(--space-4) 0 0;
  font-size: var(--text-base);
  line-height: 1.74;
  color: color-mix(in srgb, var(--color-contrast-ink) 82%, transparent);
}

.page-pricing .section--contrast .compare-foot a {
  color: var(--color-contrast-accent);
  text-decoration: underline;
  text-underline-offset: 4px;
}

/* ---------- 06 怎么选 ---------- */
.page-pricing .choice-list {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-4);
  margin: var(--space-8) 0 0;
  padding: 0;
  list-style: none;
}

.page-pricing .choice-item {
  padding: var(--space-4);
  border: var(--border-thin) solid var(--color-line);
  border-radius: var(--radius-md);
  background: var(--color-surface-deep);
}

.page-pricing .choice-tag {
  margin: 0;
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  letter-spacing: 0.14em;
  color: var(--color-ink-muted);
}

.page-pricing .choice-item h3 {
  margin: var(--space-2) 0 var(--space-2);
  font-family: var(--font-heading);
  font-size: var(--text-lg);
  font-weight: var(--weight-heading);
  line-height: 1.4;
  color: var(--color-ink);
}

.page-pricing .choice-item p {
  margin: 0 0 var(--space-3);
  font-size: var(--text-base);
  line-height: 1.74;
  color: var(--color-ink-soft);
}

.page-pricing .choice-pick {
  margin: 0 !important;
  padding-top: var(--space-2);
  border-top: var(--border-thin) solid var(--color-line);
  font-family: var(--font-mono);
  font-size: var(--text-sm) !important;
  letter-spacing: 0.04em;
  color: var(--color-accent) !important;
}

.page-pricing .hold-note {
  margin-top: var(--space-6);
  padding: var(--space-4);
  border: var(--border-thin) dashed color-mix(in srgb, var(--color-ink-muted) 60%, transparent);
  border-radius: var(--radius-md);
}

.page-pricing .hold-note p:last-child {
  margin: var(--space-2) 0 0;
  font-size: var(--text-base);
  line-height: 1.74;
  color: var(--color-ink-soft);
}

/* ---------- 07 常见追问 ---------- */
.page-pricing .question-banner {
  margin: 0 0 var(--space-6);
}

.page-pricing .faq-list {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-2);
  margin-top: var(--space-6);
}

.page-pricing .faq-item {
  border: var(--border-thin) solid var(--color-line);
  border-radius: var(--radius-md);
  background: var(--color-surface-alt);
  overflow: hidden;
}

.page-pricing .faq-item[open] {
  border-color: color-mix(in srgb, var(--color-accent) 45%, transparent);
}

.page-pricing .faq-item summary {
  cursor: pointer;
  padding: var(--space-3) var(--space-4);
  font-family: var(--font-heading);
  font-size: var(--text-base);
  font-weight: var(--weight-heading);
  line-height: 1.5;
  color: var(--color-ink);
  list-style: none;
}

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

.page-pricing .faq-item summary::after {
  content: "+";
  float: right;
  margin-left: var(--space-2);
  font-family: var(--font-mono);
  font-size: var(--text-lg);
  color: var(--color-accent);
}

.page-pricing .faq-item[open] summary::after {
  content: "–";
}

.page-pricing .faq-item summary:focus-visible {
  outline: var(--border-thick) solid var(--color-focus);
  outline-offset: -3px;
}

.page-pricing .faq-body {
  padding: 0 var(--space-4) var(--space-4);
}

.page-pricing .faq-body p {
  margin: 0;
  max-width: var(--measure);
  font-size: var(--text-base);
  line-height: 1.78;
  color: var(--color-ink-soft);
}

/* ---------- 出口 ---------- */
.page-pricing .cta-band {
  background:
    radial-gradient(90% 130% at 88% 0%, color-mix(in srgb, var(--color-primary) 26%, transparent) 0%, transparent 60%),
    var(--color-surface-alt);
  border-top: var(--border-thin) solid var(--color-line);
}

.page-pricing .cta-inner {
  max-width: 62ch;
}

.page-pricing .cta-inner h2 {
  margin: var(--space-2) 0 var(--space-3);
  font-family: var(--font-heading);
  font-size: var(--text-2xl);
  font-weight: var(--weight-heading);
  line-height: var(--leading-heading);
  color: var(--color-ink);
}

.page-pricing .cta-inner p {
  margin: 0;
  font-size: var(--text-base);
  line-height: 1.76;
  color: var(--color-ink-soft);
}

.page-pricing .cta-actions {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2);
  margin-top: var(--space-4);
}

/* ---------- 响应式 ---------- */
@media (min-width: 720px) {
  .page-pricing .tier-strip {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .page-pricing .deliver-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

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

  .page-pricing .faq-item:first-child {
    grid-column: 1 / -1;
  }
}

@media (min-width: 900px) {
  .page-pricing .hero-grid {
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
    gap: var(--space-8);
  }

  .page-pricing .friction-list {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .page-pricing .theme-track {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: var(--space-6) var(--space-4);
  }

  .page-pricing .theme-node:nth-child(even) {
    margin-top: var(--space-6);
  }

  .page-pricing .choice-list {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .page-pricing .delivery-layout {
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
    gap: var(--space-8);
    align-items: start;
  }
}

@media (min-width: 1040px) {
  .page-pricing .hero-band {
    grid-template-columns: minmax(0, 8fr) minmax(0, 4fr);
    gap: var(--space-6);
    align-items: stretch;
  }

  .page-pricing .hero-figure {
    align-self: end;
  }
}

@media (max-width: 719px) {
  .page-pricing .pricing-hero {
    padding-block: calc(var(--section-y) + var(--space-3)) var(--space-8);
  }

  .page-pricing .sec-num {
    font-size: var(--text-3xl);
  }

  .page-pricing .section-head h2,
  .page-pricing .cta-inner h2 {
    font-size: var(--text-2xl);
  }

  .page-pricing .hero-figure,
  .page-pricing .question-banner {
    border-radius: var(--radius-sm);
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-pricing .theme-node,
  .page-pricing .anchor-nav a {
    transition: none;
  }

  .page-pricing .theme-node:nth-child(even) {
    margin-top: 0;
  }
}