.d45calc-shell{
 --red:#f12620;--red2:#8f0704;--text:#f5f5f3;--muted:#929297;--line:rgba(255,255,255,.10);
 max-width:1180px;margin:0 auto;padding:20px 18px 75px;color:var(--text);font-family:Arial,Helvetica,sans-serif;position:relative
}
.d45calc-shell *{box-sizing:border-box}.d45calc-shell a{color:inherit;text-decoration:none}.d45calc-shell p{color:var(--muted);line-height:1.65}
.d45calc-glow{position:fixed;inset:0;pointer-events:none;z-index:-1;background:radial-gradient(circle at 15% 15%,rgba(241,38,32,.1),transparent 28%),radial-gradient(circle at 85% 50%,rgba(241,38,32,.04),transparent 32%)}
.d45calc-crumb{font-size:9px;letter-spacing:.16em;color:#555;margin:4px 0 22px}.d45calc-crumb a{color:#999}.d45calc-crumb span{color:#9d1f1b;margin:0 8px}
.d45calc-hero{min-height:470px;display:grid;grid-template-columns:1.15fr .85fr;align-items:center;gap:30px;padding:48px;border:1px solid var(--line);background:linear-gradient(145deg,#19191c,#060607);position:relative;overflow:hidden;box-shadow:0 35px 100px rgba(0,0,0,.4)}
.d45calc-hero:after{content:"";position:absolute;width:500px;height:500px;border-radius:50%;right:-200px;top:-180px;background:radial-gradient(circle,rgba(241,38,32,.16),transparent 65%)}
.d45calc-kicker{color:#ff4943;font-size:9px;font-weight:900;letter-spacing:.22em;text-transform:uppercase;margin-bottom:13px}.d45calc-kicker:before{content:"";display:inline-block;width:25px;height:1px;background:#f33;margin-right:9px;vertical-align:middle}
.d45calc-copy h1{font-size:clamp(2.8rem,6vw,5.2rem);line-height:.87;letter-spacing:-.055em;margin:0 0 9px;text-transform:uppercase}.d45calc-copy h2{font-size:14px;letter-spacing:.13em;color:#888;text-transform:uppercase;margin:0 0 20px}.d45calc-copy>p{max-width:650px}
.d45calc-three{display:grid;grid-template-columns:repeat(3,1fr);gap:8px;margin-top:24px}.d45calc-three div{border:1px solid var(--line);background:#ffffff05;padding:12px}.d45calc-three b{display:block;font-size:20px;color:#fff}.d45calc-three span{font-size:8px;letter-spacing:.11em;color:#777;text-transform:uppercase}
.d45calc-mark{display:flex;flex-direction:column;align-items:center;justify-content:center;position:relative;z-index:2}.d45calc-mark img{width:min(100%,330px);opacity:.58;filter:drop-shadow(0 0 45px rgba(255,0,0,.12))}.d45calc-mark strong{font:900 34px Consolas,monospace;color:#ff3933;letter-spacing:-.04em;margin-top:12px}
.d45calc-input{margin:30px 0 58px;padding:30px;border:1px solid rgba(241,38,32,.28);background:linear-gradient(145deg,#1c0807,#070707)}.d45calc-input>h2,.d45calc-section>h2{font-size:clamp(2rem,4.5vw,3.7rem);line-height:.92;letter-spacing:-.045em;margin:0 0 18px;text-transform:uppercase}.d45calc-section>h2 span{color:var(--red)}
.d45calc-example{display:flex;align-items:center;gap:13px;flex-wrap:wrap;margin:18px 0;padding:14px;border:1px solid var(--line);background:#050505}.d45calc-example small{font-size:8px;color:#666;letter-spacing:.13em}.d45calc-example code{font:800 18px Consolas,monospace;color:#777}.d45calc-example i{color:#ff413b;font-style:normal}.d45calc-example strong{font:900 20px Consolas,monospace;color:#ff413b}
.d45calc-widget{margin-top:18px}.d45calc-note{margin-top:18px;padding:14px 16px;border-left:3px solid var(--red);background:#0c0c0d;color:#aaa;font-size:12px}.d45calc-note a{display:inline-block;margin-left:8px;color:#ff4741;font-weight:900}
.d45calc-section{margin:65px 0}.d45calc-lead{max-width:720px}
.d45calc-steps{display:grid;grid-template-columns:repeat(4,1fr);gap:10px;margin-top:25px}.d45calc-step{min-height:205px;padding:20px;border:1px solid var(--line);background:linear-gradient(145deg,#121214,#070708)}.d45calc-step small{color:#f33;font:900 10px Consolas,monospace}.d45calc-step h3{font-size:18px;text-transform:uppercase;margin:55px 0 9px}.d45calc-step p{font-size:12px;margin:0}
.d45calc-apps{display:grid;grid-template-columns:repeat(4,1fr);gap:10px;margin-top:22px}.d45calc-apps>div{padding:20px;border:1px solid var(--line);background:#09090a}.d45calc-apps strong{font-size:14px;text-transform:uppercase}.d45calc-apps p{font-size:11px;margin:9px 0 0}
.d45calc-help{display:grid;grid-template-columns:85px 1fr auto;gap:22px;align-items:center;padding:28px;border:1px solid rgba(241,38,32,.28);background:linear-gradient(135deg,#1c0706,#070707);margin:60px 0 35px}.d45calc-help img{width:78px}.d45calc-help h2{margin:0 0 6px;font-size:27px}.d45calc-help p{margin:0;font-size:12px}.d45calc-help>a{padding:14px 17px;background:linear-gradient(135deg,#f52e27,#910603);font-size:9px;font-weight:900;letter-spacing:.12em;text-align:center}
.d45calc-other{display:flex;flex-wrap:wrap;gap:8px;align-items:center}.d45calc-other span{font-size:8px;color:#555;letter-spacing:.14em;margin-right:5px}.d45calc-other a{padding:9px 12px;border:1px solid var(--line);background:#09090a;color:#999;font-size:9px}
@media(max-width:850px){.d45calc-hero{grid-template-columns:1fr;padding:30px}.d45calc-mark{display:none}.d45calc-steps,.d45calc-apps{grid-template-columns:1fr 1fr}.d45calc-help{grid-template-columns:65px 1fr}.d45calc-help>a{grid-column:1/-1}.d45calc-three{grid-template-columns:1fr 1fr 1fr}}
@media(max-width:520px){.d45calc-shell{padding-left:12px;padding-right:12px}.d45calc-hero{padding:24px}.d45calc-three,.d45calc-steps,.d45calc-apps{grid-template-columns:1fr}.d45calc-input{padding:22px}.d45calc-help{grid-template-columns:1fr}.d45calc-help img{width:70px}}