:root{--navy:#06234a;--orange:#ff9d16;--teal:#18c7b1;--ink:#0c2344;--muted:#607085;--line:#dce5ef;--paper:#f6f9fc;--shadow:0 18px 50px rgba(5,31,65,.12);--max:1220px}
*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;font-family:Inter,system-ui,-apple-system,"Segoe UI",sans-serif;color:var(--ink);line-height:1.6;background:#fff}a{text-decoration:none;color:inherit}img{max-width:100%;display:block}.container{width:min(var(--max),calc(100% - 40px));margin:auto}
.topbar{background:#041c3d;color:#d9e7f4;font-size:.84rem}.topbar .container{display:flex;justify-content:space-between;padding:8px 0}header{position:sticky;top:0;z-index:100;background:#fff;border-bottom:1px solid var(--line)}.nav{height:82px;display:flex;align-items:center;justify-content:space-between;gap:22px}.header-logo{width:168px;height:58px;object-fit:contain;object-position:left center}.footer-logo{width:190px;max-height:70px;object-fit:contain;background:#fff;border-radius:9px;padding:3px}nav{display:flex;gap:20px;font-weight:760;font-size:.91rem}.nav-actions{display:flex;gap:10px}.btn{display:inline-flex;align-items:center;justify-content:center;padding:13px 20px;border-radius:11px;font-weight:850;border:1px solid transparent}.btn-primary{background:var(--orange);color:#111}.btn-dark{background:var(--navy);color:#fff}.btn-ghost{border-color:var(--line);background:#fff}.menu-btn{display:none;border:0;background:none;font-size:1.4rem}
section{padding:80px 0}.page-hero{padding:70px 0;background:linear-gradient(135deg,#edf6fb,#e7f7f3)}.page-hero .grid,.split{display:grid;grid-template-columns:1fr 1fr;gap:50px;align-items:center}.page-hero h1,.section-title{font-size:clamp(2.4rem,4.4vw,4rem);line-height:1.06;letter-spacing:-.045em;margin:8px 0 14px}.section-title{font-size:clamp(2rem,3.7vw,3.05rem)}.section-kicker{text-transform:uppercase;letter-spacing:.14em;color:#0a8b78;font-weight:900;font-size:.76rem}.section-lead{color:var(--muted);font-size:1.06rem}.center{text-align:center}.center .section-lead{max-width:780px;margin:auto}.visual{background:#fff;border:1px solid var(--line);border-radius:22px;padding:18px;box-shadow:var(--shadow)}
.grid-2{display:grid;grid-template-columns:repeat(2,1fr);gap:20px}.grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}.grid-4{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}.card{border:1px solid var(--line);border-radius:18px;padding:22px;background:#fff;box-shadow:0 10px 28px rgba(5,31,65,.07)}.card p{color:var(--muted)}.module-icon,.icon{width:48px;height:48px;border-radius:14px;display:grid;place-items:center;color:#fff;font-weight:900}.m1{background:#1d67c1}.m2{background:#16a66b}.m3{background:#7c54c9}.m4{background:#ff7d18}.icon{background:#e8f7f4;color:#087867}.module-link{font-weight:850;color:#0a4b8d}.dark{background:#061f42;color:#fff}.dark .section-lead,.dark .card p{color:#c4d4e5}.dark .card{background:#0b2b56;border-color:#16406f}
.feature-list{display:grid;gap:12px;margin-top:22px}.feature{display:flex;gap:10px}.check{width:24px;height:24px;border-radius:50%;display:grid;place-items:center;background:#dcf8f2;color:#087867;font-weight:900;flex:0 0 24px}.trap-card{border-left:5px solid var(--orange);background:#fff;border-radius:14px;padding:18px;border-top:1px solid var(--line);border-right:1px solid var(--line);border-bottom:1px solid var(--line)}.trap-card strong{color:#8a4c00}.trap-card p{color:var(--muted);margin-bottom:0}
.exam-ui{background:#fff;border:1px solid var(--line);border-radius:22px;box-shadow:var(--shadow);overflow:hidden;color:var(--ink)}.exam-top{display:flex;justify-content:space-between;padding:15px 18px;background:#071f43;color:#fff}.timer{background:#173c6e;padding:6px 9px;border-radius:8px}.exam-body{display:grid;grid-template-columns:1fr 180px}.question-pane{padding:22px}.option{border:1px solid var(--line);border-radius:11px;padding:11px 13px;margin:8px 0}.option.correct{background:#ecfbf7;border-color:#7fdacb}.navigator{background:#f5f8fb;border-left:1px solid var(--line);padding:16px}.q-grid{display:grid;grid-template-columns:repeat(5,1fr);gap:6px;margin-top:10px}.q-grid span{height:28px;border-radius:6px;background:#fff;border:1px solid var(--line);display:grid;place-items:center;font-size:.74rem}.q-grid span.current{background:var(--orange);font-weight:900}.rationale{margin-top:14px;padding:13px;border-radius:11px;background:#f5f8fb;color:#42566d;font-size:.9rem}
.faq{max-width:920px;margin:30px auto}.faq details{border-bottom:1px solid var(--line);padding:18px 2px}.faq summary{font-weight:850;cursor:pointer}.faq p{color:var(--muted)}.related{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}.related a{border:1px solid var(--line);border-radius:15px;padding:17px;font-weight:800;background:#fff}.notice{padding:14px 16px;background:#fff6e6;border:1px solid #f0cf96;border-radius:12px;color:#6b4b14}
.contact-grid{display:grid;grid-template-columns:.85fr 1.15fr;gap:30px}.contact-card{background:#071f43;color:#fff;border-radius:20px;padding:28px}.contact-card p{color:#c7d7e7}.form-card{border:1px solid var(--line);border-radius:20px;padding:26px}.field{margin-bottom:15px}.field label{display:block;font-weight:800;margin-bottom:6px}.field input,.field textarea,.field select{width:100%;border:1px solid #cbd8e5;border-radius:10px;padding:12px}.field textarea{min-height:150px}.status{padding:12px;border-radius:10px;margin-bottom:15px}.status.ok{background:#e9fbf6;color:#076b5c}.status.err{background:#fff0f0;color:#9e2c2c}
.trust-strip{border-top:1px solid var(--line);border-bottom:1px solid var(--line)}.trust-grid{display:grid;grid-template-columns:repeat(4,1fr);padding:20px 0}.trust-item{text-align:center;border-right:1px solid var(--line)}.trust-item:last-child{border:0}.trust-item small{color:var(--muted)}footer{background:#04172f;color:#c5d3e1;padding:52px 0 22px}.footer-grid{display:grid;grid-template-columns:1.5fr repeat(3,1fr);gap:30px}.footer-grid h4{color:#fff}.footer-grid a{display:block;margin:8px 0}.footer-bottom{border-top:1px solid #1c3655;margin-top:34px;padding-top:17px;font-size:.82rem}.sticky-buy{position:fixed;right:18px;bottom:18px;z-index:90}
@media(max-width:1000px){nav{display:none;position:absolute;top:82px;left:0;right:0;background:#fff;padding:20px;flex-direction:column;box-shadow:var(--shadow)}nav.open{display:flex}.menu-btn{display:block}.nav-actions .btn-ghost{display:none}.page-hero .grid,.split,.contact-grid{grid-template-columns:1fr}.grid-4{grid-template-columns:repeat(2,1fr)}.grid-3{grid-template-columns:1fr 1fr}.footer-grid{grid-template-columns:1fr 1fr}.exam-body{grid-template-columns:1fr}.navigator{border-left:0;border-top:1px solid var(--line)}}
@media(max-width:650px){.container{width:min(var(--max),calc(100% - 26px))}.topbar .container{justify-content:center}.topbar span:last-child{display:none}.header-logo{width:145px}.nav-actions .btn-primary{display:none}.grid-4,.grid-3,.grid-2,.trust-grid,.related{grid-template-columns:1fr}.footer-grid{grid-template-columns:1fr}.sticky-buy{left:14px;right:14px}.sticky-buy .btn{width:100%}}