:root{--bg:#f4f7fc;--ink:#16233e;--muted:#526582;--navy:#091d47;--blue:#004aac;--line:#dbe3f2;--soft:#ecf3ff;--focus:#f2b651}
*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;font:16px/1.55 system-ui,-apple-system,"Segoe UI",sans-serif;background:var(--bg);color:var(--ink)}
a{color:var(--blue)}a:hover{text-decoration-thickness:2px}button,input,select{font:inherit}button{cursor:pointer}button:disabled{opacity:.45;cursor:not-allowed}
:focus-visible{outline:3px solid var(--focus);outline-offset:3px} .skip-link{position:absolute;top:-100px;left:12px;background:#fff;padding:10px;z-index:9}.skip-link:focus{top:8px}
.page-width{width:min(1180px,calc(100% - 32px));margin-inline:auto}.site-header{background:linear-gradient(110deg,#06122c,#102e69);padding:16px 0}.header-inner{display:flex;align-items:center;justify-content:space-between;gap:20px;flex-wrap:wrap}.site-logo{display:block;width:168px;height:auto}.top-nav{display:flex;gap:16px;flex-wrap:wrap}.top-nav a{color:#e2ecff;text-decoration:none;font-size:.9rem;font-weight:600}.top-nav a:hover{text-decoration:underline}
main{padding-block:22px 68px}.breadcrumb{font-size:.87rem;color:var(--muted);display:flex;gap:8px;align-items:center;flex-wrap:wrap;margin:8px 0 30px}.hero{padding:0 0 24px}.eyebrow{text-transform:uppercase;letter-spacing:.11em;font-size:.76rem;font-weight:800;color:var(--blue)}h1{max-width:870px;font-size:clamp(1.9rem,4.3vw,3.4rem);line-height:1.12;margin:11px 0 15px;color:var(--navy);letter-spacing:-.035em}.lead{font-size:clamp(1rem,1.8vw,1.2rem);max-width:790px;color:var(--muted);margin:0 0 18px}.pills{display:flex;flex-wrap:wrap;gap:8px}.pills span{font-size:.8rem;color:var(--blue);background:#e7efff;padding:5px 12px;border-radius:90px;font-weight:650}
.workspace{display:grid;grid-template-columns:minmax(0,1.14fr) minmax(330px,.86fr);gap:20px;align-items:start}.card{background:#fff;border:1px solid var(--line);border-radius:18px;padding:clamp(15px,2.2vw,28px);box-shadow:0 8px 32px #0d33730a;margin:0 0 20px;min-width:0}
h2{font-size:1.38rem;line-height:1.3;color:var(--navy);margin:0 0 8px}h3{font-size:1.02rem;margin:0;color:var(--navy)}p{margin-block:8px 16px}.subtext{font-size:.9rem;color:var(--muted)}.controls{display:grid;grid-template-columns:1fr 1fr;gap:12px;margin:20px 0}.field{display:flex;flex-direction:column;gap:5px;min-width:0}.field label{font-size:.83rem;font-weight:720;color:#243958}.field small{font-size:.73rem;color:var(--muted)}
input,select{width:100%;height:43px;background:#fff;color:var(--ink);border:1px solid #bccbe1;border-radius:9px;padding:9px 11px;min-width:0}input:focus,select:focus{border-color:var(--blue)}input::placeholder{color:#6c7c91}
.pack-head{display:flex;justify-content:space-between;align-items:start;gap:12px;flex-wrap:wrap;margin:18px 0 12px}.package{border:1px solid var(--line);background:#fbfcff;border-radius:14px;padding:16px;margin:12px 0}.package-title{display:flex;justify-content:space-between;gap:12px;align-items:center;margin-bottom:12px}.package-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:12px}.package-grid .wide{grid-column:span 2}.package-grid input{height:42px}.actions{display:flex;gap:10px;flex-wrap:wrap;margin-top:18px}
.btn{border:1px solid transparent;padding:11px 16px;border-radius:10px;font-weight:750;min-height:44px}.btn-primary{background:var(--blue);color:#fff}.btn-primary:hover{background:#003680}.btn-secondary{background:#eaf1ff;border-color:#c5d6f5;color:#003b8e}.btn-plain{background:transparent;color:#265282;border-color:#cad7eb}.btn-danger{background:#fff;color:#a1353b;border:1px solid #e3c8cc;font-size:.78rem;padding:7px 10px;min-height:36px}
.note{padding:11px 14px;border-left:3px solid #6f93d1;background:#f4f8ff;font-size:.84rem;color:#435571;border-radius:5px;margin:16px 0}.error{background:#fff0f1;border:1px solid #e39ba2;color:#8a1f2b;padding:13px;border-radius:10px;margin-top:15px;font-size:.9rem}.result-empty{padding:25px 12px;text-align:center;color:var(--muted);border:1px dashed #bdd0ea;border-radius:12px}.result-empty strong{display:block;color:var(--navy);margin-bottom:6px}
.stats{display:grid;grid-template-columns:1fr 1fr;gap:10px;margin:18px 0}.stat{background:#f0f5ff;border-radius:12px;padding:14px;min-width:0}.stat.primary{grid-column:1/-1;background:#092e72;color:#fff}.stat .kicker{display:block;font-size:.77rem;color:inherit;opacity:.82}.stat strong{display:block;font-size:clamp(1.4rem,2.4vw,2rem);font-variant-numeric:tabular-nums;overflow-wrap:anywhere;line-height:1.35}.stat .unit{font-size:.8rem;font-weight:600}.table-scroll{overflow-x:auto;margin-top:18px;border:1px solid var(--line);border-radius:11px}table{width:100%;border-collapse:collapse;min-width:670px;font-size:.82rem}th{text-align:left;background:#edf3fb;font-size:.77rem;color:#30496c}td,th{padding:10px;border-bottom:1px solid #e8edf6;vertical-align:top}tr:last-child td{border-bottom:0}.numeric{text-align:right;font-variant-numeric:tabular-nums;white-space:nowrap}
.guide-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:18px}.formula{font-size:1.03rem;background:#eaf2ff;padding:16px;border-radius:10px;color:#073b87;font-weight:750;overflow-wrap:anywhere}dl{margin:0}dt{font-weight:700;color:#0b2f67;margin-top:15px}dd{margin:4px 0 0;color:var(--muted)}.cta{background:linear-gradient(130deg,#072b66,#004aac);color:#fff;border:0}.cta h2,.cta a{color:#fff}.cta .btn{display:inline-flex;background:#fff;color:#004aac;text-decoration:none;margin:5px 0 0}.cta .subtext{color:#dfebff}.footer-links{margin-top:24px}
@media(max-width:920px){.workspace{grid-template-columns:1fr}.guide-grid{grid-template-columns:1fr}}
@media(max-width:510px){.page-width{width:calc(100% - 24px)}main{padding-top:12px}.site-header{padding:13px 0}.top-nav{gap:10px;font-size:.8rem}.hero{padding-bottom:10px}.card{border-radius:13px}.controls{grid-template-columns:1fr}.package-grid{grid-template-columns:1fr 1fr}.package-grid .wide{grid-column:1/-1}.actions .btn{flex:1 1 130px}.stats{grid-template-columns:1fr 1fr}.stat strong{font-size:1.4rem}}
@media print{body{background:white}.site-header,.top-nav,.breadcrumb,.actions,.pack-head .btn,.btn-danger,.cta,.pills,.skip-link,.ent-site-footer{display:none!important}.workspace{display:block}.card{break-inside:avoid;box-shadow:none;border:1px solid #999}.page-width{width:100%}.result-empty,.error{display:none!important}.package{padding:8px}main{padding:0}h1{font-size:22pt}table{min-width:0;font-size:9pt}.table-scroll{overflow:visible}}