:root { --bg: #fff; --fg: #1d1d1f; --muted: #5f6368; --line: #e3e3e8; --go: #1a7f4b; --soft: #f3f6f4; }
@media (prefers-color-scheme: dark) { :root { --bg: #18181b; --fg: #ececf1; --muted: #a1a1aa; --line: #2e2e33; --soft: #222226; } }
* { box-sizing: border-box; }
body { margin: 0; background: var(--bg); color: var(--fg); font: 17px/1.6 system-ui, -apple-system, "Segoe UI", sans-serif; }
a { color: var(--go); }
.wrap { max-width: 960px; margin: 0 auto; padding: 0 20px; }
header.top { border-bottom: 1px solid var(--line); }
header.top .wrap { display: flex; align-items: center; gap: 10px; height: 64px; }
header.top img { width: 32px; height: 32px; }
header.top b { font-size: 18px; flex: 1; }
header.top nav a { margin-left: 18px; color: var(--muted); text-decoration: none; font-size: 15px; }
.hero { padding: 64px 0 40px; }
.hero h1 { font-size: clamp(32px, 5vw, 48px); line-height: 1.15; margin: 0 0 16px; letter-spacing: -0.5px; }
.hero p { font-size: 20px; color: var(--muted); max-width: 640px; margin: 0 0 28px; }
.btn { display: inline-block; padding: 12px 22px; border-radius: 10px; font-weight: 600; text-decoration: none; border: 1px solid var(--line); color: var(--fg); margin: 0 8px 8px 0; }
.btn.go { background: var(--go); border-color: var(--go); color: #fff; }
.shot { width: 100%; border-radius: 12px; border: 1px solid var(--line); margin: 8px 0 48px; }
.grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(260px, 1fr)); gap: 20px; margin: 0 0 56px; }
.card { background: var(--soft); border-radius: 12px; padding: 20px; }
.card h3 { margin: 0 0 6px; font-size: 18px; }
.card p { margin: 0; color: var(--muted); font-size: 15px; }
.price { display: grid; grid-template-columns: repeat(auto-fit, minmax(260px, 1fr)); gap: 20px; margin-bottom: 56px; }
.plan { border: 1px solid var(--line); border-radius: 14px; padding: 24px; }
.plan.pro { border-color: var(--go); }
.plan h3 { margin: 0; } .plan .amt { font-size: 34px; font-weight: 700; margin: 8px 0; }
.plan ul { padding-left: 20px; color: var(--muted); }
h2 { font-size: 28px; margin: 0 0 18px; }
footer { border-top: 1px solid var(--line); padding: 28px 0 40px; color: var(--muted); font-size: 14px; }
footer a { color: var(--muted); margin-right: 16px; }
.doc { padding: 48px 0 64px; max-width: 720px; }
.doc h1 { font-size: 34px; } .doc h2 { font-size: 21px; margin-top: 28px; }