:root{
  --blue:#0a0073;
  --blue-2:#2415c7;
  --blue-3:#3a2cff;
  --yellow:#ffe600;
  --ink:#141624;
  --muted:#62697a;
  --line:#e5e7ee;
  --soft:#f5f7fb;
  --green:#148a5b;
  --white:#fff;
  --radius:20px;
  --shadow:0 18px 50px rgba(22,24,39,.10);
  --shadow-sm:0 8px 24px rgba(22,24,39,.08);
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;font-family:Inter,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,Arial,sans-serif;color:var(--ink);background:#fff;line-height:1.65;-webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility}
img{max-width:100%;height:auto;display:block}
a{color:var(--blue-2);text-underline-offset:3px}
button,a{-webkit-tap-highlight-color:transparent}
.container{width:min(1140px,calc(100% - 32px));margin-inline:auto}
.skip-link{position:absolute;left:-9999px;top:10px;z-index:9999;background:#fff;color:#111;padding:10px 14px;border-radius:10px}.skip-link:focus{left:10px}
.site-header{position:sticky;top:0;z-index:100;background:rgba(10,0,115,.96);backdrop-filter:saturate(150%) blur(10px);border-bottom:1px solid rgba(255,255,255,.1)}
.header-inner{min-height:72px;display:flex;align-items:center;justify-content:space-between;gap:24px}
.brand{display:flex;align-items:center;text-decoration:none;min-width:0}.brand img{height:42px;width:auto;max-width:210px;object-fit:contain}
.nav{display:flex;align-items:center;gap:20px;white-space:nowrap}.nav a{color:rgba(255,255,255,.88);text-decoration:none;font-size:14px;font-weight:750}.nav a:hover,.nav a:focus{color:#fff}.nav .nav-cta{background:var(--yellow);color:#151515;padding:10px 14px;border-radius:12px}
.hero{position:relative;overflow:hidden;background:radial-gradient(circle at 88% 10%,rgba(255,230,0,.16),transparent 25%),linear-gradient(135deg,var(--blue),var(--blue-2) 55%,#2100ae);color:#fff;padding:54px 0 48px}
.hero-grid{display:grid;grid-template-columns:minmax(0,1.05fr) minmax(360px,.95fr);gap:46px;align-items:center}
.breadcrumbs{display:flex;flex-wrap:wrap;gap:7px;align-items:center;font-size:12px;color:rgba(255,255,255,.74);margin:0 0 18px}.breadcrumbs a{color:#fff;text-decoration:none}
.eyebrow{display:inline-flex;align-items:center;gap:8px;background:rgba(255,255,255,.10);border:1px solid rgba(255,255,255,.16);padding:7px 11px;border-radius:999px;font-size:12px;font-weight:850;letter-spacing:.02em}
h1{font-size:clamp(34px,5.2vw,62px);line-height:1.02;letter-spacing:-.045em;margin:17px 0 17px;max-width:850px}
.hero p{font-size:clamp(16px,2vw,19px);color:rgba(255,255,255,.84);margin:0 0 20px;max-width:720px}
.hero-meta{display:flex;gap:10px 18px;flex-wrap:wrap;font-size:12px;color:rgba(255,255,255,.73);margin-top:18px}
.hero-visual{border-radius:26px;overflow:hidden;box-shadow:0 24px 70px rgba(0,0,0,.28);background:#fff}.hero-visual img{width:100%;aspect-ratio:1200/630;object-fit:cover}
.hero-visual img.guide-hero{aspect-ratio:1200/675}
.hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:24px}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;min-height:50px;padding:12px 18px;border-radius:14px;text-decoration:none;font-weight:850;border:1px solid transparent;line-height:1.15;text-align:center;transition:transform .18s ease,box-shadow .18s ease,background .18s ease}.btn:hover{transform:translateY(-2px)}
.btn-yellow{background:var(--yellow);color:#171717;box-shadow:0 14px 30px rgba(255,230,0,.2)}.btn-white{background:#fff;color:var(--blue)}.btn-outline{border-color:#d8dbe6;background:#fff;color:var(--blue)}.btn-dark{background:var(--blue);color:#fff}
.layout{display:grid;grid-template-columns:minmax(0,1fr) 300px;gap:42px;align-items:start;padding:40px 0 64px}
.article{min-width:0}.article h2{font-size:clamp(26px,3.5vw,38px);line-height:1.12;letter-spacing:-.025em;margin:48px 0 15px;scroll-margin-top:95px}.article h3{font-size:22px;line-height:1.2;margin:28px 0 10px}.article p{font-size:17px;color:#333848;margin:0 0 18px}.article ul,.article ol{font-size:17px;color:#333848;padding-left:22px}.article li{margin:8px 0}.article strong{color:#171a28}
.answer-box{background:#f3f8ff;border:1px solid #dce9ff;border-left:5px solid var(--blue-3);border-radius:18px;padding:20px 22px;margin:0 0 28px}.answer-box strong{font-size:20px}.answer-box p{margin:7px 0 0}
.notice{background:#fff9d9;border:1px solid #f1df70;border-radius:16px;padding:16px 18px;margin:22px 0}.notice p{margin:0;font-size:15px}
.toc{background:var(--soft);border:1px solid var(--line);border-radius:18px;padding:20px;margin:28px 0}.toc strong{display:block;margin-bottom:9px}.toc ol{margin:0;padding-left:20px}.toc a{text-decoration:none}
.steps{counter-reset:step;display:grid;gap:12px;margin:20px 0}.step{display:grid;grid-template-columns:42px 1fr;gap:14px;align-items:start;border:1px solid var(--line);border-radius:16px;padding:15px;background:#fff}.step::before{counter-increment:step;content:counter(step);width:36px;height:36px;border-radius:12px;background:var(--blue);color:#fff;display:grid;place-items:center;font-weight:900}.step h3{font-size:17px;margin:0 0 3px}.step p{font-size:15px;margin:0;color:var(--muted)}
.article-image{margin:28px 0;border-radius:20px;overflow:hidden;border:1px solid var(--line);background:#f7f8fb;box-shadow:var(--shadow-sm)}.article-image img{width:100%;aspect-ratio:1000/560;object-fit:cover}.caption{font-size:12px;color:var(--muted);padding:9px 13px;background:#fff}
.compare{overflow:auto;margin:20px 0;border:1px solid var(--line);border-radius:16px}.compare table{width:100%;border-collapse:collapse;min-width:640px}.compare th,.compare td{padding:14px 16px;border-bottom:1px solid var(--line);text-align:left;vertical-align:top}.compare th{background:#f7f8fb;font-size:13px}.compare tr:last-child td{border-bottom:0}
.sidebar{position:sticky;top:92px;display:grid;gap:16px}.side-card{border:1px solid var(--line);border-radius:18px;padding:18px;background:#fff;box-shadow:var(--shadow-sm)}.side-card h2,.side-card h3{font-size:18px;margin:0 0 8px}.side-card p{font-size:14px;color:var(--muted);margin:0 0 12px}.side-links{display:grid;gap:8px}.side-links a{text-decoration:none;font-size:14px;font-weight:750;padding:9px 10px;border-radius:10px;background:var(--soft)}
.section-band{padding:58px 0;background:var(--soft);border-block:1px solid var(--line)}.section-band.dark{background:var(--blue);color:#fff;border:0}.section-title{max-width:800px;margin-bottom:24px}.section-title .eyebrow{color:var(--blue);background:#eceaff;border-color:#d9d5ff}.dark .section-title .eyebrow{color:#fff;background:rgba(255,255,255,.1);border-color:rgba(255,255,255,.15)}.section-title h2{font-size:clamp(28px,4vw,42px);line-height:1.08;margin:10px 0 8px;letter-spacing:-.03em}.section-title p{color:var(--muted);margin:0}.dark .section-title p{color:rgba(255,255,255,.75)}
.terminal-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}.terminal-card{background:#fff;border:1px solid var(--line);border-radius:22px;overflow:hidden;box-shadow:var(--shadow-sm);display:flex;flex-direction:column}.terminal-img{background:#f7f8fb;min-height:210px;display:grid;place-items:center;padding:18px}.terminal-img img{max-height:190px;object-fit:contain}.terminal-body{padding:20px;display:flex;flex:1;flex-direction:column}.terminal-tag{font-size:11px;font-weight:900;color:var(--blue);text-transform:uppercase;letter-spacing:.06em}.terminal-card h3{font-size:24px;margin:4px 0 8px}.terminal-card p{color:var(--muted);font-size:14px;margin:0 0 15px}.price-line{margin-top:auto;padding-top:4px}.price-old{font-size:13px;color:#858b99;text-decoration:line-through}.discount{display:inline-flex;margin-left:7px;font-size:11px;font-weight:850;background:#eaf8f1;color:#08754b;padding:3px 7px;border-radius:999px}.price-now{font-size:30px;line-height:1.1;font-weight:950;color:var(--ink);margin:5px 0}.shipping{font-size:12px;color:var(--green);font-weight:850;margin-bottom:12px}.terminal-card .btn{width:100%}
.tool-grid,.blog-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}.tool-card,.blog-card{display:block;border:1px solid var(--line);border-radius:18px;background:#fff;padding:18px;text-decoration:none;color:inherit;box-shadow:var(--shadow-sm)}.tool-card span,.blog-card span{font-size:11px;color:var(--blue);font-weight:850;text-transform:uppercase;letter-spacing:.04em}.tool-card strong,.blog-card strong{display:block;font-size:18px;line-height:1.25;margin:6px 0}.tool-card p,.blog-card p{font-size:14px;color:var(--muted);margin:0}.blog-card img{width:100%;aspect-ratio:1200/630;object-fit:cover;border-radius:12px;margin-bottom:14px}
.rep-card{display:grid;grid-template-columns:1.15fr .85fr;gap:28px;align-items:center;background:#fff;border-radius:26px;padding:28px;color:var(--ink)}.rep-card h2{font-size:clamp(27px,3vw,40px);line-height:1.1;margin:6px 0 12px}.rep-card p{color:var(--muted);margin:0 0 18px}.rep-points{display:grid;gap:10px}.rep-point{background:var(--soft);border-radius:14px;padding:13px 14px;font-size:14px}
.faq{display:grid;gap:10px}.faq details{border:1px solid var(--line);border-radius:15px;background:#fff;padding:0 17px}.faq summary{font-weight:850;cursor:pointer;padding:16px 0}.faq p{font-size:15px;margin:0 0 16px;color:var(--muted)}
.sources{font-size:14px;border-top:1px solid var(--line);margin-top:42px;padding-top:20px}.sources ul{font-size:14px}.sources p{font-size:14px;color:var(--muted)}
.site-footer{background:#080064;color:#fff;padding:42px 0 26px}.footer-grid{display:grid;grid-template-columns:1fr 1fr;gap:34px;align-items:start}.footer-logo,.site-footer>.container>img{height:42px;width:auto;max-width:210px;object-fit:contain}.footer-copy p,.site-footer>.container>p,.site-footer .footer-note{color:rgba(255,255,255,.72);max-width:560px;font-size:14px;margin:12px 0 0}.site-footer nav{color:rgba(255,255,255,.5);font-size:14px;line-height:1.9}.footer-links{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:10px 18px}.footer-links a,.site-footer nav a{color:rgba(255,255,255,.86);text-decoration:none;font-size:14px}.site-footer nav a:hover,.site-footer nav a:focus{color:#fff;text-decoration:underline}.copyright{margin-top:28px;padding-top:18px;border-top:1px solid rgba(255,255,255,.14);font-size:12px;color:rgba(255,255,255,.62)}
.mobile-cta{display:none}
.blog-hero{padding:50px 0;background:linear-gradient(135deg,#f5f7ff,#fff 60%,#fffbe0)}.blog-hero h1{color:var(--ink);max-width:800px}.blog-hero p{color:var(--muted);max-width:740px;font-size:18px}.blog-hero .eyebrow{color:var(--blue);background:#eceaff;border-color:#d9d5ff}.blog-main{padding:44px 0 70px}.blog-main .blog-grid{grid-template-columns:repeat(3,1fr)}
@media(max-width:960px){
  .hero-grid,.layout,.rep-card{grid-template-columns:1fr}.hero-visual{max-width:700px}.sidebar{position:static}.terminal-grid,.tool-grid,.blog-grid,.blog-main .blog-grid{grid-template-columns:repeat(2,1fr)}.nav{gap:12px}.nav a:nth-child(2),.nav a:nth-child(3){display:none}.footer-grid{grid-template-columns:1fr}.layout{gap:10px}
}
@media(max-width:640px){
  .container{width:min(100% - 24px,1140px)}.site-header{position:sticky}.header-inner{min-height:62px;gap:10px}.brand img{height:34px;max-width:165px}.nav a{display:none}.nav .nav-cta{display:inline-flex;font-size:12px;padding:9px 11px}.hero{padding:32px 0 34px}.hero-grid{gap:24px}.hero h1{font-size:36px}.hero p{font-size:16px}.hero-actions{display:grid}.hero-actions .btn{width:100%}.hero-visual{border-radius:18px}.layout{padding:28px 0 48px}.article h2{margin-top:38px;font-size:29px}.article p,.article ul,.article ol{font-size:16px}.answer-box{padding:17px}.toc{padding:17px}.terminal-grid,.tool-grid,.blog-grid,.blog-main .blog-grid{grid-template-columns:1fr}.terminal-img{min-height:180px}.section-band{padding:44px 0}.rep-card{padding:20px}.footer-links{grid-template-columns:1fr}.mobile-cta{display:block;position:fixed;z-index:90;left:0;right:0;bottom:0;background:rgba(255,255,255,.97);border-top:1px solid var(--line);padding:8px 12px calc(8px + env(safe-area-inset-bottom));box-shadow:0 -10px 30px rgba(18,20,31,.12)}.mobile-cta .btn{width:100%;min-height:48px}.site-footer{padding-bottom:90px}.blog-hero{padding:34px 0}.blog-hero h1{font-size:38px}.compare{margin-inline:-2px}
}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}.btn{transition:none}.btn:hover{transform:none}}