:root{--bg:#090d13;--ink:#f2f4ee;--muted:#959ea9;--soft:#d7dcd3;--panel:#10151d;--line:#ffffff24;--lime:#d5fa75;--link:#d5fa75}
:root[data-theme=light]{--bg:#f6f7f3;--ink:#16202a;--muted:#5b6670;--soft:#2c3640;--panel:#ffffff;--line:#16202a24;--link:#3d6b00}
:root[data-theme=light] .eyebrow,:root[data-theme=light] .price strong,:root[data-theme=light] .check li:before,:root[data-theme=light] .brand svg{color:#3d6b00}
*{box-sizing:border-box}html{-webkit-text-size-adjust:100%}body{margin:0;background:var(--bg);color:var(--ink);font:17px/1.6 Arial,Helvetica,sans-serif}
a{color:var(--link)}.wrap{max-width:1040px;margin:0 auto;padding:0 20px}
header{border-bottom:1px solid var(--line)}header .wrap{display:flex;align-items:center;justify-content:space-between;gap:16px;min-height:68px}
.brand{display:flex;align-items:center;gap:10px;color:var(--ink);text-decoration:none;font-weight:700;letter-spacing:.02em}.brand svg{width:32px;height:32px}
header nav{display:flex;gap:18px;flex-wrap:wrap;font-size:15px}header nav a{color:var(--ink);text-decoration:none}header nav a:hover{color:var(--lime)}
.hero{padding:64px 0 40px}.eyebrow{color:var(--lime);font-size:13px;letter-spacing:.16em;font-weight:700}
h1{font-size:clamp(32px,6vw,56px);line-height:1.08;margin:.3em 0 .4em;max-width:16ch}h2{font-size:clamp(24px,3.6vw,34px);line-height:1.15;margin:0 0 .6em}
.lead{font-size:clamp(18px,2.2vw,21px);color:var(--soft);max-width:60ch}
.cta{display:flex;flex-wrap:wrap;gap:12px;margin-top:26px}.btn{display:inline-block;padding:14px 22px;border-radius:999px;font-weight:700;text-decoration:none;border:1px solid var(--line);color:var(--ink)}
.btn.primary{background:var(--lime);color:#0b1210;border-color:var(--lime)}
section{padding:44px 0;border-top:1px solid var(--line)}
.grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(230px,1fr));gap:16px}
.card{background:var(--panel);border:1px solid var(--line);border-radius:16px;padding:20px}.card h3{margin:0 0 .4em;font-size:19px}.card p{margin:0;color:var(--muted)}
.examples{width:100%;border-collapse:collapse;background:var(--panel);border-radius:16px;overflow:hidden}.examples td{padding:14px 18px;border-bottom:1px solid var(--line)}.examples td:last-child{text-align:right;font-weight:700}
.note{color:var(--muted);font-size:14px}
.price strong{display:block;font-size:26px;color:var(--lime);margin-top:6px}
.check{list-style:none;padding:0;margin:16px 0 0;columns:2 280px}.check li{padding:4px 0 4px 28px;position:relative;break-inside:avoid}.check li:before{content:"✓";position:absolute;left:0;color:var(--lime);font-weight:700}
details{background:var(--panel);border:1px solid var(--line);border-radius:14px;padding:16px 20px;margin-bottom:10px}summary{cursor:pointer;font-weight:700}details p{color:var(--soft);margin:.7em 0 0}
.others a{display:inline-block;margin:6px 10px 6px 0}
.tools{display:flex;gap:6px;align-items:center}.tools button{font:700 13px Arial,Helvetica,sans-serif;color:var(--ink);background:transparent;border:1px solid var(--line);border-radius:999px;padding:6px 10px;cursor:pointer;min-width:38px}.tools button[aria-pressed=true]{background:var(--lime);color:#0b1210;border-color:var(--lime)}.head-right{display:flex;align-items:center;gap:18px}
footer{border-top:1px solid var(--line);padding:28px 0 40px;color:var(--muted);font-size:14px}footer a{color:var(--ink)}
@media(max-width:640px){header nav{display:none}.hero{padding:40px 0 28px}}