/* cjk-typography · 活预览样式(预览不拉 CDN 字体,字重与字形靠系统栈近似;
   三选字体的真实差异要到项目里挂上各自分片 CSS 才可见) */
:root {
  --f-sans: "Noto Sans SC", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
  --f-serif: "Noto Serif SC", "Source Han Serif SC", "Songti SC", serif;
  --f-mono: "JetBrains Mono", "Cascadia Code", Consolas, monospace;
  --bg: #f7f6f3;
  --ink: #1a1a16;
  --muted: #5b5a53;
  --line: rgba(26, 26, 22, 0.12);
  --surface: rgba(26, 26, 22, 0.04);
  --mk: #b8452f;
}

*, *::before, *::after { box-sizing: border-box; }

html, body { margin: 0; }

body {
  background: var(--bg);
  color: var(--ink);
  font-family: var(--f-sans);
  font-size: 16px;
  line-height: 1.75;
  -webkit-font-smoothing: antialiased;
}

.wrap { max-width: 1080px; margin: 0 auto; padding: 56px 24px 96px; }

.eyebrow {
  font-family: var(--f-mono);
  font-size: 12px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--muted);
  margin: 0 0 16px;
}

h1 { font-size: 34px; line-height: 1.3; font-weight: 700; margin: 0 0 12px; }

.lede { font-size: 17px; line-height: 1.75; color: var(--muted); max-width: 42ch; margin: 0; }

h2 { font-size: 21px; line-height: 1.35; font-weight: 700; margin: 0 0 16px; }

section { margin-top: 56px; }

.scenes { display: grid; gap: 16px; grid-template-columns: repeat(auto-fit, minmax(320px, 1fr)); }

.scene { background: var(--surface); padding: 22px; }
.scene.wide { grid-column: 1 / -1; }

.tag {
  font-family: var(--f-mono);
  font-size: 12px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--muted);
  margin: 0 0 10px;
}

.tag b { color: var(--mk); font-weight: 700; }

/* 工具台 */
.c-h1 { font-size: 18px; line-height: 1.35; font-weight: 600; margin: 0 0 8px; }
.c-body { font-size: 14px; line-height: 1.7; margin: 0 0 8px; font-variant-numeric: tabular-nums; }
.c-meta { font-family: var(--f-mono); font-size: 12px; line-height: 1.5; color: var(--muted); margin: 0; letter-spacing: 0; }

/* 纸媒 / 电视 1920 */
.p-h1 { font-family: var(--f-serif); font-size: 72px; line-height: 1.1; font-weight: 700; margin: 0 0 12px; }
.p-body { font-size: 40px; line-height: 1.35; margin: 0 0 12px; }
.p-meta { font-size: 26px; line-height: 1.4; color: var(--muted); margin: 0; }

/* 营销落地 */
.m-h1 { font-size: clamp(2rem, 5vw, 4rem); line-height: 1.05; letter-spacing: -0.02em; font-weight: 700; margin: 0 0 12px; }
.m-body { font-size: 17px; line-height: 1.6; margin: 0 0 10px; }
.m-meta { font-family: var(--f-mono); font-size: 12px; letter-spacing: 0.16em; text-transform: uppercase; color: var(--muted); margin: 0; }

.faces { display: grid; gap: 16px; grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); }
.face { background: var(--surface); padding: 22px; }
.face .name { font-size: 16px; font-weight: 700; margin: 0 0 6px; }
.face .lic { font-family: var(--f-mono); font-size: 12px; letter-spacing: 0.1em; text-transform: uppercase; color: var(--mk); margin: 0 0 14px; }
.face .demo { font-size: 22px; line-height: 1.6; margin: 0 0 10px; }
.face .src { font-family: var(--f-mono); font-size: 12px; line-height: 1.6; color: var(--muted); margin: 0; word-break: break-all; }
.w150 { font-weight: 200; }
.w300 { font-weight: 300; }

table { width: 100%; border-collapse: collapse; }
th, td { text-align: left; padding: 10px 12px; border-top: 1px solid var(--line); vertical-align: top; }
th { font-family: var(--f-mono); font-size: 12px; letter-spacing: 0.1em; text-transform: uppercase; color: var(--muted); font-weight: 400; }
td.k { font-weight: 700; white-space: nowrap; }
td .spec { font-family: var(--f-mono); font-size: 12px; color: var(--muted); }

.rules { padding-left: 20px; }
.rules li { margin-bottom: 8px; }
.rules code, p code { font-family: var(--f-mono); font-size: 12px; }
.mk { color: var(--mk); font-weight: 700; }
footer { margin-top: 64px; color: var(--muted); font-size: 14px; }