:root{--bg:#101214;--panel:#f5f6f7;--ink:#17191c;--text:#e6e9eb;--muted:#a8afb5;--line:rgba(255,255,255,.14);--accent:#9cc7d5;--max:1180px;--reading:820px;font-family:Arial,Helvetica,sans-serif}*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:var(--bg);color:var(--text);line-height:1.6}a{color:inherit}a:focus-visible,summary:focus-visible,button:focus-visible{outline:3px solid var(--accent);outline-offset:4px}.shell{max-width:var(--max);margin:auto;padding:0 24px}.site-header{border-bottom:1px solid var(--line);background:rgba(16,18,20,.96);position:sticky;top:0;z-index:20}.nav{height:76px;display:flex;align-items:center;justify-content:space-between;gap:20px}.brand img{width:130px;height:auto;display:block;}.nav-links{display:flex;gap:22px;align-items:center;font-size:.92rem}.nav-links a,.lang a{text-decoration:none;color:var(--muted)}.nav-links a:hover,.lang a:hover,.nav-links a.active,.lang a.active{color:#fff}.lang{display:flex;gap:10px;border-left:1px solid var(--line);padding-left:18px}.hero{padding:108px 0 78px;min-height:560px;display:grid;align-content:center}.eyebrow{letter-spacing:.16em;text-transform:uppercase;font-size:.75rem;color:var(--accent);font-weight:700}.hero h1{font-size:clamp(3.2rem,8vw,7rem);line-height:.94;letter-spacing:-.07em;max-width:900px;margin:18px 0 25px}.hero p{max-width:660px;font-size:1.22rem;color:var(--muted);margin:0}.actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:32px}.button{display:inline-flex;align-items:center;justify-content:center;text-decoration:none;border:1px solid var(--accent);padding:13px 18px;border-radius:2px;font-weight:700}.button.primary{background:var(--accent);color:#0c1214}.button.ghost{color:#fff;border-color:var(--line)}.section{padding:74px 0;border-top:1px solid var(--line)}.section h2{font-size:clamp(2rem,4.5vw,4rem);line-height:1;letter-spacing:-.05em;margin:0 0 24px}.lede{max-width:740px;color:var(--muted);font-size:1.1rem}.features{display:grid;grid-template-columns:repeat(2,1fr);gap:1px;background:var(--line);border:1px solid var(--line);margin-top:35px}.feature{background:var(--bg);padding:32px;min-height:220px}.number{color:var(--accent);font-weight:700}.feature h3{font-size:1.6rem;margin:32px 0 8px;letter-spacing:-.03em}.feature p{color:var(--muted);margin:0}.article-wrap{padding:70px 0}.article-head{max-width:var(--reading);margin:0 auto 28px}.article-head h1{font-size:clamp(2.6rem,6vw,5rem);line-height:1;letter-spacing:-.06em;margin:12px 0}.updated{color:var(--muted);font-size:.92rem}.article{max-width:var(--reading);margin:auto;background:var(--panel);color:var(--ink);padding:clamp(28px,6vw,72px);border-radius:2px}.article h2{font-size:1.55rem;line-height:1.15;margin:42px 0 12px}.article h3{font-size:1.15rem;margin:28px 0 8px}.article p,.article li{font-size:1rem}.article a{color:#07576c}.article ul{padding-left:22px}.faq{max-width:var(--reading);margin:30px auto 0}.faq details{border-top:1px solid var(--line);padding:17px 0}.faq details:last-child{border-bottom:1px solid var(--line)}.faq summary{cursor:pointer;font-weight:700;font-size:1.08rem;list-style:none;padding-right:30px;position:relative}.faq summary::-webkit-details-marker{display:none}.faq summary:after{content:'+';position:absolute;right:2px;color:var(--accent);font-size:1.4rem;top:-5px}.faq details[open] summary:after{content:'−'}.faq p{color:var(--muted);margin:14px 0 0}.site-footer{border-top:1px solid var(--line);padding:42px 0;color:var(--muted);font-size:.9rem}.footer-grid{display:flex;justify-content:space-between;gap:30px;flex-wrap:wrap}.footer-links{display:flex;flex-wrap:wrap;gap:10px 18px}.footer-links a{text-decoration:none}.footer-links a:hover{color:#fff}.notice{border-left:3px solid var(--accent);padding:13px 16px;background:#e8f1f3}.storeline{margin-top:10px;color:var(--muted);font-size:.93rem}@media(max-width:720px){.shell{padding:0 18px}.nav{height:auto;min-height:72px;padding:14px 0;align-items:flex-start}.nav-links{gap:12px;flex-wrap:wrap;justify-content:flex-end;font-size:.82rem}.brand img{width:78px}.lang{padding-left:10px}.hero{padding:75px 0 60px;min-height:500px}.features{grid-template-columns:1fr}.section{padding:55px 0}.article-wrap{padding:48px 0}.article{padding:28px 22px}.footer-grid{display:block}.footer-links{margin-top:16px}}