:root{--bg:#041013;--panel:#071a1f;--panel2:#0a2228;--line:rgba(92,193,199,.28);--cyan:#67cbd0;--gold:#e9bc52;--gold2:#ffd978;--white:#f4f8f7;--muted:#9eb4b2;--danger:#d76a61}
*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:radial-gradient(circle at 80% 0%,rgba(47,124,132,.13),transparent 32%),#041013;color:var(--white);font-family:Inter,Segoe UI,Arial,sans-serif}a{color:inherit;text-decoration:none}
.sub-top{height:72px;position:sticky;top:0;z-index:20;background:rgba(3,12,15,.93);backdrop-filter:blur(14px);border-bottom:1px solid var(--line)}.sub-nav{max-width:1450px;height:100%;margin:auto;padding:0 32px;display:flex;align-items:center;gap:24px}.sub-brand{display:flex;align-items:center;gap:12px;margin-right:auto}.sub-shield{width:42px;height:49px;border:2px solid var(--gold);clip-path:polygon(50% 0,92% 15%,92% 66%,50% 100%,8% 66%,8% 15%);display:grid;place-items:center;color:var(--gold);font-weight:900}.sub-brand b{display:block;font-size:14px}.sub-brand small{font-size:8px;letter-spacing:.2em;color:#8fa7a5}.sub-home{font-size:11px;letter-spacing:.08em;color:#c9d7d5;border:1px solid rgba(103,203,208,.25);padding:10px 14px}.sub-home:hover{border-color:var(--gold);color:var(--gold2)}
.sub-hero{position:relative;min-height:380px;overflow:hidden;border-bottom:1px solid var(--line)}.sub-hero-bg{position:absolute;inset:0;background-size:cover;background-position:center;filter:saturate(.85)}.sub-hero-overlay{position:absolute;inset:0;background:linear-gradient(90deg,rgba(2,11,14,.97),rgba(2,11,14,.76) 43%,rgba(2,11,14,.26)),linear-gradient(0deg,rgba(2,11,14,.92),transparent 55%)}.sub-hero-content{position:relative;max-width:1450px;margin:auto;padding:78px 42px 65px}.sub-kicker{font-size:10px;letter-spacing:.25em;color:#8dd4d6;font-weight:800}.sub-hero h1{font-size:clamp(42px,5vw,72px);line-height:.95;letter-spacing:-.04em;margin:15px 0}.sub-hero h1 strong{color:var(--gold)}.sub-hero p{max-width:650px;color:#c4d3d1;line-height:1.7;font-size:15px}.status-strip{display:flex;gap:9px;flex-wrap:wrap;margin-top:24px}.status-strip span{border:1px solid rgba(103,203,208,.27);background:rgba(4,18,21,.65);padding:9px 12px;font-size:9px;letter-spacing:.1em;color:#d7e3e1}.status-strip span:first-child{border-color:rgba(233,188,82,.55);color:var(--gold2)}
.sub-main{max-width:1450px;margin:auto;padding:50px 42px 90px}.sub-toolbar{display:flex;justify-content:space-between;align-items:center;gap:20px;margin-bottom:22px}.sub-title{font-size:22px;font-weight:800}.sub-meta{color:#839b99;font-size:10px;letter-spacing:.12em}.learning-shell{display:grid;grid-template-columns:250px 1fr;gap:18px}.side-panel{background:linear-gradient(180deg,#071a1f,#061519);border:1px solid var(--line);padding:18px;align-self:start;position:sticky;top:90px}.side-panel .side-head{font-size:10px;letter-spacing:.16em;color:var(--gold);margin-bottom:15px}.side-panel a{display:block;padding:12px;border-left:2px solid transparent;color:#9fb2b0;font-size:11px}.side-panel a:hover,.side-panel a.active{background:rgba(103,203,208,.07);border-left-color:var(--gold);color:#fff}.content-panel{background:linear-gradient(145deg,rgba(9,31,36,.94),rgba(5,18,21,.96));border:1px solid var(--line);padding:30px;box-shadow:0 22px 60px rgba(0,0,0,.18)}.content-panel h2{margin:0 0 12px;font-size:30px}.content-panel>p{color:var(--muted);line-height:1.7}.module-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:12px;margin-top:24px}.module-card{position:relative;min-height:150px;padding:22px;border:1px solid rgba(103,203,208,.2);background:linear-gradient(145deg,#0a252b,#06171a);transition:.3s;overflow:hidden}.module-card:after{content:"";position:absolute;width:130px;height:130px;border:1px solid rgba(233,188,82,.09);border-radius:50%;right:-65px;bottom:-65px}.module-card:hover{transform:translateY(-4px);border-color:rgba(233,188,82,.65);box-shadow:0 12px 35px rgba(0,0,0,.25)}.module-no{color:var(--gold);font-size:10px;letter-spacing:.15em}.module-card h3{font-size:17px;margin:16px 0 7px}.module-card p{font-size:11px;line-height:1.55;color:#93aaa8;margin:0}.module-arrow{position:absolute;right:18px;top:20px;color:var(--gold);font-size:18px}
.quiz-panel{margin-top:18px;border:1px solid rgba(103,203,208,.2);background:#06171a;padding:25px}.quiz-label{font-size:9px;letter-spacing:.18em;color:var(--cyan)}.quiz-panel h3{font-size:21px;line-height:1.35}.answers{display:grid;gap:9px}.answer{padding:14px;border:1px solid #29494d;background:#081d21;color:#cbd8d6;font-size:12px}.answer:hover{border-color:var(--gold);color:#fff}.sub-actions{display:flex;gap:10px;flex-wrap:wrap;margin-top:22px}.sub-btn{border:1px solid var(--gold);padding:13px 18px;background:linear-gradient(100deg,#e8b84d,#b98127);color:#071113;font-weight:900;font-size:10px;letter-spacing:.08em}.sub-btn.secondary{background:transparent;color:#dce6e4;border-color:#37676b}.result-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:12px;margin-top:20px}.result{padding:18px;border:1px solid var(--line);background:#07191d}.result b{font-size:25px;color:var(--gold2)}.result span{display:block;margin-top:6px;font-size:10px;color:#8fa7a5;letter-spacing:.1em}.law-list{display:grid;grid-template-columns:repeat(2,1fr);gap:12px;margin-top:25px}.law-item{padding:20px;border:1px solid rgba(103,203,208,.22);background:#07191d}.law-item strong{color:var(--gold2)}.law-item p{color:#94aaa8;font-size:11px;line-height:1.55}.footer-sub{border-top:1px solid var(--line);padding:25px 42px;color:#6e8987;font-size:9px;letter-spacing:.12em;display:flex;justify-content:space-between}
@media(max-width:900px){.learning-shell{grid-template-columns:1fr}.side-panel{position:relative;top:auto}.module-grid{grid-template-columns:repeat(2,1fr)}}
@media(max-width:620px){.sub-nav{padding:0 15px}.sub-brand b{font-size:11px}.sub-home{padding:8px}.sub-hero-content{padding:55px 22px}.sub-main{padding:35px 18px 60px}.content-panel{padding:20px}.module-grid,.law-list,.result-grid{grid-template-columns:1fr}.sub-hero h1{font-size:43px}.footer-sub{padding:22px 18px;display:block}.footer-sub span{display:block;margin:5px 0}}