:root {
  --ink: #0f0f0f;
  --muted: #5f5e5b;
  --line: #e7e7e5;
  --paper: #ffffff;
  --soft: #f7f7f5;
  --blue: #1a6fc2;
  --blue-hover: #155fa7;
  --blue-soft: #eaf3fb;
  --green-soft: #edf3ec;
  --font: ui-sans-serif, -apple-system, BlinkMacSystemFont, "Segoe UI", "Noto Sans SC", "PingFang SC", "Microsoft YaHei", Arial, sans-serif;
  --shadow: 0 18px 50px rgba(15, 15, 15, .08);
  color: var(--ink);
  background: var(--paper);
  font-family: var(--font);
  font-synthesis: none;
}

* { box-sizing: border-box; }
body { margin: 0; line-height: 1.55; text-rendering: optimizeLegibility; -webkit-font-smoothing: antialiased; }
a { color: inherit; text-decoration: none; }
a:focus-visible { outline: 3px solid rgba(35, 131, 226, .36); outline-offset: 3px; }
.topbar, .footer { display: flex; justify-content: space-between; gap: 2rem; align-items: center; padding: 0 max(24px, calc((100vw - 1180px) / 2)); }
.topbar { position: sticky; z-index: 20; top: 0; min-height: 70px; border-bottom: 1px solid rgba(231, 231, 229, .82); background: rgba(255, 255, 255, .94); backdrop-filter: blur(12px); -webkit-backdrop-filter: blur(12px); font-size: .92rem; }
.brand { display: inline-flex; align-items: center; gap: 10px; font-size: .88rem; font-weight: 700; }
.brand::before { display: grid; width: 34px; height: 34px; place-items: center; border: 2px solid var(--ink); border-radius: 5px; background: #fff; box-shadow: 2px 2px 0 var(--ink); content: "M"; font-size: 9px; font-weight: 800; transform: rotate(-2deg); }
.topbar nav, .footer nav { display: flex; flex-wrap: wrap; gap: 1.5rem; }
.topbar nav a:hover, .footer nav a:hover { color: var(--blue); }
.hero { padding: clamp(5rem, 9vw, 8rem) max(24px, calc((100vw - 1180px) / 2)) clamp(4rem, 7vw, 6rem); background: var(--paper); }
.eyebrow { display: inline-flex; align-items: center; gap: 8px; margin-bottom: 24px; padding: 7px 11px; border-radius: 6px; color: #185fa5; background: var(--blue-soft); font-size: .82rem; font-weight: 650; }
.eyebrow::before { width: 7px; height: 7px; border-radius: 50%; background: var(--blue); content: ""; }
h1, h2, h3, p { margin-top: 0; }
h1 { max-width: 980px; margin-bottom: 1.5rem; font-family: var(--font); font-size: clamp(3.2rem, 7vw, 5.8rem); font-weight: 700; letter-spacing: -.047em; line-height: 1.03; text-wrap: balance; }
.lede { max-width: 760px; color: var(--muted); font-size: clamp(1.08rem, 1.8vw, 1.3rem); line-height: 1.6; }
.content { width: min(880px, calc(100% - 2.5rem)); margin: 0 auto; padding: clamp(3rem, 7vw, 6rem) 0; }
.content section { padding: 2rem 0; border-bottom: 1px solid var(--line); }
.content section:first-child { padding-top: 0; }
.content h2 { margin-bottom: 1rem; font-family: var(--font); font-size: clamp(1.8rem, 4vw, 3rem); font-weight: 700; letter-spacing: -.035em; }
.content h3 { margin-top: 1.7rem; }
.content p, .content li { color: var(--muted); line-height: 1.72; }
.content li + li { margin-top: .5rem; }
.meta { color: var(--muted); font-size: .9rem; }
.plans { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 1rem; margin: 2rem 0; }
.plan { display: flex; min-height: 300px; flex-direction: column; padding: 1.5rem; border: 1px solid var(--line); border-radius: 14px; background: var(--soft); }
.plan .price { margin: 1rem 0 .3rem; font-family: var(--font); font-size: 3.2rem; color: var(--ink); font-weight: 700; letter-spacing: -.045em; }
.plan strong { color: #185fa5; }
.plan a { margin-top: auto; padding: .9rem 1rem; border-radius: 8px; background: var(--blue); color: #fff; font-weight: 700; text-align: center; }
.plan a:hover { background: var(--blue-hover); color: #fff; }
.callout { padding: 1.25rem; border-left: 4px solid var(--blue); border-radius: 6px; background: var(--blue-soft); }
.footer { min-height: 96px; align-items: center; border-top: 1px solid var(--line); background: var(--paper); color: var(--muted); font-size: .85rem; }
.footer p { margin: 0; }

@media (max-width: 760px) {
  .topbar { position: static; padding: 16px 20px; }
  .topbar, .footer { align-items: flex-start; flex-direction: column; }
  .footer { padding: 28px 20px; }
  .plans { grid-template-columns: 1fr; }
}