:root { --bg: #0C1526; --panel: #15233C; --line: rgb(255 255 255 / 13%); --text: #F0F6FF; --soft: #C3D0E2; --accent: #54D8ED; --blue: #3F6FD8; }
* { box-sizing: border-box; }
html, body { margin: 0; }
body { background: radial-gradient(120vmax 70vmax at 50% -20%, rgb(58 102 170 / 30%), transparent 70%) no-repeat, var(--bg); color: var(--text); font: 17px/1.6 Inter, -apple-system, "Segoe UI", Roboto, sans-serif; }
a { color: var(--accent); }
.wrap { width: min(1040px, 100% - 40px); margin: 0 auto; }
header.top { display: flex; align-items: center; justify-content: space-between; padding: 22px 0; }
header.top img { height: 40px; display: block; }
nav a { margin-left: 22px; color: var(--soft); text-decoration: none; font-size: 15px; }
h1 { margin: 64px 0 16px; max-width: 760px; font-size: clamp(38px, 6vw, 62px); line-height: 1.08; letter-spacing: -1.5px; }
h2 { margin: 0 0 14px; font-size: 32px; letter-spacing: -.6px; }
h3 { margin: 0 0 6px; font-size: 18px; }
.lead { max-width: 640px; color: var(--soft); font-size: 20px; }
.btn { display: inline-block; padding: 13px 22px; border-radius: 12px; background: linear-gradient(120deg, var(--blue), #2F8FD6); color: #fff; font-weight: 650; text-decoration: none; box-shadow: 0 10px 26px rgb(40 90 180 / 35%); }
button.btn { border: 0; font: inherit; font-weight: 650; cursor: pointer; }
.btn.ghost { background: var(--panel); box-shadow: none; border: 1px solid var(--line); }
.row { display: flex; gap: 12px; flex-wrap: wrap; margin: 28px 0 10px; }
.note { color: var(--soft); font-size: 14px; }
section { padding: 56px 0 8px; }
.grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(270px, 1fr)); gap: 16px; }
.card { padding: 22px; border: 1px solid var(--line); border-radius: 16px; background: var(--panel); }
.card p { margin: 0; color: var(--soft); font-size: 16px; }
.price { font-size: 42px; font-weight: 750; letter-spacing: -1px; }
.card ul { margin: 12px 0 18px; padding-left: 20px; color: var(--soft); font-size: 16px; }
footer { margin-top: 64px; padding: 26px 0 36px; border-top: 1px solid var(--line); color: var(--soft); font-size: 14px; }
footer a { color: var(--soft); margin-right: 18px; }
main.doc { max-width: 720px; }
main.doc h1 { font-size: 40px; margin-top: 30px; }
main.doc h2 { margin-top: 32px; font-size: 22px; }
main.doc p, main.doc li { color: var(--soft); }