/* 公司官网 pitchnote.win 的样式:不引外部字体与脚本(内容安全策略只放行本站样式与图片),深浅色跟系统 */
:root {
  --bg: #ffffff;
  --fg: #0f172a;
  --muted: #475569;
  --line: #e2e8f0;
  --soft: #f8fafc;
  --card: #ffffff;
  --link: #1d4ed8;
  --btn-bg: #1d4ed8;
  --btn-bg-hover: #1e40af;
  --btn-fg: #ffffff;
  --pitch: #1d4ed8;
  color-scheme: light dark;
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #0b1120;
    --fg: #e2e8f0;
    --muted: #94a3b8;
    --line: #1e293b;
    --soft: #0f172a;
    --card: #111827;
    --link: #93c5fd;
    --btn-bg: #2563eb;
    --btn-bg-hover: #1d4ed8;
    --btn-fg: #ffffff;
    --pitch: #60a5fa;
  }
}

* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--fg);
  font: 17px/1.65 system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, "PingFang TC", "Noto Sans TC", "Microsoft JhengHei", sans-serif;
}
html:lang(zh-Hant) body { line-height: 1.8; }
html:lang(zh-Hant) :is(h1, h2, h3) { word-break: keep-all; }   /* 中文标题只在标点处断行,不把「戰績」拆成两行 */
a { color: var(--link); }
a:focus-visible { outline: 3px solid var(--link); outline-offset: 3px; }

.wrap { max-width: 1040px; margin: 0 auto; padding: 0 20px; }
.skip { position: absolute; left: -9999px; top: 12px; }
.skip:focus { left: 16px; z-index: 10; background: var(--bg); padding: 8px 12px; }

.site-header { border-bottom: 1px solid var(--line); }
.bar { display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: 12px 24px; min-height: 64px; padding-top: 10px; padding-bottom: 10px; }
.brand { display: inline-flex; align-items: center; gap: 10px; color: var(--fg); font-weight: 700; font-size: 1.15rem; letter-spacing: -0.01em; text-decoration: none; }
.brand svg { width: 28px; height: 28px; flex: none; }
nav { display: flex; flex-wrap: wrap; gap: 8px 20px; }
nav a { color: var(--muted); font-size: .95rem; text-decoration: none; }
nav a:hover { color: var(--fg); }

.hero { padding: 72px 0 56px; }
.hero-grid { display: grid; gap: 40px; align-items: center; }
@media (min-width: 860px) { .hero-grid { grid-template-columns: 1.15fr .85fr; } }
.eyebrow { margin: 0 0 12px; color: var(--muted); font-size: .95rem; }
h1 { margin: 0 0 16px; font-size: clamp(2rem, 4.6vw, 3.1rem); line-height: 1.15; letter-spacing: -0.02em; text-wrap: balance; }
.lede { margin: 0 0 28px; max-width: 36em; color: var(--muted); font-size: 1.15rem; }
.btn { display: inline-block; padding: 12px 22px; border-radius: 999px; background: var(--btn-bg); color: var(--btn-fg); font-weight: 600; text-decoration: none; }
.btn:hover { background: var(--btn-bg-hover); }
.pitch { width: 100%; max-width: 420px; justify-self: center; color: var(--pitch); }

.section { padding: 56px 0; border-top: 1px solid var(--line); }
.section.alt { background: var(--soft); }
h2 { margin: 0 0 12px; font-size: 1.6rem; letter-spacing: -0.01em; }
h3 { margin: 0 0 8px; font-size: 1.08rem; }
.intro { margin: 0 0 28px; max-width: 44em; color: var(--muted); }
.cards, .principles { display: grid; grid-template-columns: repeat(auto-fit, minmax(250px, 1fr)); margin: 0; padding: 0; list-style: none; }
.cards { gap: 16px; }
.principles { gap: 24px; }
.card { padding: 22px; border: 1px solid var(--line); border-radius: 14px; background: var(--card); }
.card p, .principles p { margin: 0; color: var(--muted); }

.facts { display: grid; grid-template-columns: max-content 1fr; gap: 10px 28px; margin: 0; }
.facts dt { color: var(--muted); }
.facts dd { margin: 0; }
@media (max-width: 520px) {
  .facts { grid-template-columns: 1fr; gap: 2px; }
  .facts dd { margin-bottom: 12px; }
}

.site-footer { padding: 28px 0 40px; border-top: 1px solid var(--line); color: var(--muted); font-size: .9rem; }
.site-footer p { margin: 0 0 6px; }

.notfound { padding-top: 96px; padding-bottom: 96px; }