/* 创明笔记介绍页 — 与 cmnote landing 内容同步，样式适配关于作者站主题 */

.cmnote-page {
  position: relative;
  z-index: 1;
}

.cmnote-page .container-wide {
  max-width: 1100px;
  margin: 0 auto;
  padding: 0 1.25rem;
}

.cmnote-hero {
  padding: 2.5rem 0 3.5rem;
}

.cmnote-hero-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 2.5rem;
  align-items: center;
}

.cmnote-eyebrow {
  text-transform: uppercase;
  letter-spacing: 0.12em;
  font-size: 0.75rem;
  color: var(--muted);
  margin: 0 0 0.75rem;
}

.cmnote-hero h1 {
  font-size: clamp(2rem, 4vw, 2.85rem);
  line-height: 1.2;
  margin: 0 0 1rem;
}

.cmnote-hero h1 em {
  font-style: normal;
  background: var(--gradient-accent);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.cmnote-lead {
  color: var(--muted);
  font-size: 1.05rem;
  max-width: 32rem;
  margin: 0 0 1rem;
}

.cmnote-hero-points {
  margin: 0 0 1.25rem;
  padding-left: 1.1rem;
  color: var(--muted);
  font-size: 0.95rem;
}

.cmnote-hero-points li + li {
  margin-top: 0.35rem;
}

.cmnote-hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
}

.cmnote-hero-visual {
  min-height: 280px;
}

.cmnote-pill-strip {
  padding-bottom: 1.5rem;
}

.cmnote-pill-row {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  justify-content: center;
}

.cmnote-pill {
  display: inline-block;
  padding: 0.35rem 0.85rem;
  border-radius: 999px;
  border: 1px solid var(--border);
  background: var(--surface);
  font-size: 0.82rem;
  color: var(--muted);
}

.cmnote-section {
  padding: 0 0 3rem;
}

.cmnote-section-head {
  text-align: center;
  max-width: 40rem;
  margin: 0 auto 2rem;
}

.cmnote-section-head h2 {
  font-size: clamp(1.5rem, 3vw, 2rem);
  margin: 0 0 0.5rem;
  text-wrap: balance;
}

.cmnote-section-head p {
  margin: 0;
  color: var(--muted);
}

.cmnote-features-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1rem;
}

.cmnote-features-grid article {
  min-width: 0;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.15rem 1.2rem;
}

.cmnote-features-grid h3 {
  margin: 0 0 0.45rem;
  font-size: 1rem;
}

.cmnote-features-grid p {
  margin: 0;
  font-size: 0.9rem;
  color: var(--muted);
}

.cmnote-cta {
  padding: 2.5rem 0 5rem;
}

.cmnote-cta-inner {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 1.25rem;
  text-align: center;
  max-width: 44rem;
  margin: 0 auto;
  min-height: 18rem;
  padding: 4rem 2.5rem;
  border-radius: calc(var(--radius) + 2px);
  border: 1px solid var(--border);
  background: var(--surface);
  box-shadow: var(--shadow);
}

.cmnote-cta-inner h2 {
  margin: 0;
  font-size: clamp(1.35rem, 2.5vw, 1.85rem);
  line-height: 1.35;
}

.cmnote-cta-inner p {
  margin: 0;
  color: var(--muted);
  line-height: 1.7;
  max-width: 28rem;
}

.cmnote-cta-actions {
  justify-content: center;
  gap: 1rem;
  margin-top: 0.5rem;
}

/* UI 示意框 — 与 cmnote landing_showcase 同步 */
.cmnote-ui-frame {
  background: var(--surface-solid);
  border: 1px solid var(--border);
  border-radius: 12px;
  box-shadow: var(--shadow);
  overflow: hidden;
}

.cmnote-ui-frame-hero {
  font-size: 0.72rem;
}

.cmnote-ui-titlebar {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.45rem 0.65rem;
  border-bottom: 1px solid var(--border);
  background: color-mix(in srgb, var(--surface-solid) 88%, var(--muted));
}

.cmnote-ui-titlebar.compact {
  padding: 0.4rem 0.65rem;
}

.cmnote-ui-dots {
  display: inline-flex;
  gap: 4px;
}

.cmnote-ui-dots i {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--border);
  display: block;
}

.cmnote-ui-title {
  flex: 1;
  font-weight: 600;
  color: var(--text);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.cmnote-ui-badge {
  font-size: 0.65rem;
  padding: 0.15rem 0.45rem;
  border-radius: 999px;
  background: var(--accent-soft);
  color: var(--accent);
  border: 1px solid var(--border);
}

.cmnote-ui-shell {
  display: grid;
  grid-template-columns: 118px 1fr;
  min-height: 220px;
}

.cmnote-ui-explorer {
  border-right: 1px solid var(--border);
  padding: 0.5rem;
  background: color-mix(in srgb, var(--surface-solid) 94%, var(--muted));
}

.cmnote-ui-explorer-head {
  font-weight: 600;
  margin-bottom: 0.45rem;
  font-size: 0.68rem;
}

.cmnote-ui-explorer-block {
  margin-bottom: 0.55rem;
}

.cmnote-ui-explorer-block strong {
  display: block;
  font-size: 0.62rem;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--muted);
  margin-bottom: 0.25rem;
}

.cmnote-ui-explorer-block ul {
  list-style: none;
  margin: 0;
  padding: 0;
}

.cmnote-ui-explorer-block li {
  padding: 0.2rem 0.35rem;
  border-radius: 4px;
  font-size: 0.65rem;
}

.cmnote-ui-explorer-block li.active {
  background: var(--accent-soft);
  color: var(--accent);
}

.cmnote-ui-explorer-block.muted li {
  color: var(--muted);
}

.cmnote-ui-toolbar {
  display: flex;
  gap: 0.35rem;
  padding: 0.35rem 0.5rem;
  border-bottom: 1px solid var(--border);
  font-size: 0.62rem;
}

.cmnote-ui-toolbar span {
  padding: 0.15rem 0.4rem;
  border-radius: 4px;
  color: var(--muted);
}

.cmnote-ui-toolbar span.on {
  background: var(--accent-soft);
  color: var(--accent);
  font-weight: 600;
}

.cmnote-ui-canvas {
  position: relative;
  min-height: 180px;
  background-image: radial-gradient(circle, var(--border) 1px, transparent 1px);
  background-size: 18px 18px;
  background-color: color-mix(in srgb, var(--surface-solid) 70%, #fafafa);
}

.cmnote-ui-card {
  position: absolute;
  width: 108px;
  padding: 0.45rem 0.5rem;
  border-radius: 8px;
  border: 1.5px solid color-mix(in srgb, var(--text) 75%, transparent);
  background: var(--surface-solid);
  box-shadow: 1px 2px 0 rgba(0, 0, 0, 0.06);
}

.cmnote-ui-card em {
  display: block;
  font-style: normal;
  font-size: 0.55rem;
  color: var(--muted);
  margin-bottom: 0.15rem;
}

.cmnote-ui-card strong {
  display: block;
  font-size: 0.68rem;
  line-height: 1.2;
}

.cmnote-ui-card p {
  margin: 0.25rem 0 0;
  font-size: 0.58rem;
  color: var(--muted);
  line-height: 1.3;
}

.cmnote-ui-card.c1 { top: 14%; left: 6%; }
.cmnote-ui-card.c2 { top: 8%; right: 10%; }
.cmnote-ui-card.c3 { bottom: 12%; left: 28%; }

.cmnote-ui-wires {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  color: var(--muted);
  pointer-events: none;
}

.cmnote-ui-cursor {
  position: absolute;
  left: var(--x);
  top: var(--y);
  width: 18px;
  height: 18px;
  border-radius: 50%;
  font-size: 0.55rem;
  font-weight: 700;
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  transform: translate(-50%, -50%);
  box-shadow: 0 1px 4px rgba(0, 0, 0, 0.2);
}

.cmnote-ui-cursor.c-a { background: #7048e8; }
.cmnote-ui-cursor.c-b { background: #087f5b; }

.cmnote-showcase-duo {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.25rem;
}

.cmnote-ui-mini-canvas {
  padding: 1rem;
  text-align: center;
}

.cmnote-ui-sketch {
  width: 100%;
  max-width: 280px;
  height: auto;
}

.cmnote-ui-mini-canvas p,
.cmnote-ui-mini-list {
  font-size: 0.78rem;
  color: var(--muted);
}

.cmnote-ui-mini-list {
  padding: 0.85rem 1rem 1rem;
  display: grid;
  gap: 0.55rem;
}

.cmnote-ui-mini-list .tag {
  display: inline-block;
  font-size: 0.65rem;
  padding: 0.1rem 0.35rem;
  border-radius: 4px;
  margin-right: 0.35rem;
  border: 1px solid var(--btn-accent-border);
  background: var(--btn-accent-bg);
  color: var(--btn-accent-text);
}

.cmnote-ui-mini-list .tag-import {
  border-color: #74c0fc;
  background: #e7f5ff;
  color: #1864ab;
}

.cmnote-ui-mini-list .tag-note {
  border-color: #b197fc;
  background: #f3f0ff;
  color: #5f3dc4;
}

@media (max-width: 1100px) {
  .cmnote-features-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 900px) {
  .cmnote-hero-grid {
    grid-template-columns: 1fr;
  }
  .cmnote-ui-shell {
    grid-template-columns: 1fr;
  }
  .cmnote-ui-explorer {
    display: none;
  }
  .cmnote-features-grid,
  .cmnote-showcase-duo {
    grid-template-columns: 1fr;
  }
}