:root{--navy:#071235;--navy2:#0b2141;--teal:#079486;--teal2:#10a89a;--orange:#f7a51c;--ink:#0b1736;--muted:#5d6a7e;--line:#dfe7ef;--soft:#f5f9fc;--green:#0f8b57;--red:#b42318;--blue:#1e6bb8;--yellow:#996900;--purple:#6236a8;--shadow:0 12px 30px rgba(7,18,53,.10)}
*{box-sizing:border-box}body{margin:0;font-family:Arial,Helvetica,sans-serif;color:var(--ink);background:#f6fafc;line-height:1.55}button,input,select,textarea{font:inherit}.top{background:var(--navy);color:#fff}.bar{max-width:1180px;margin:0 auto;padding:18px 18px 12px;display:flex;justify-content:space-between;gap:18px;align-items:center}.brand{font-weight:800;letter-spacing:.03em;color:#15d4c0}.brand small{display:block;color:#cbd5e1;font-weight:500;letter-spacing:0;text-transform:none}.nav{display:flex;gap:10px;flex-wrap:wrap}.nav button,.nav a{border:1px solid rgba(255,255,255,.25);background:transparent;color:#fff;border-radius:8px;padding:8px 12px;text-decoration:none;cursor:pointer}.nav .primary{background:var(--orange);color:#111;border-color:var(--orange);font-weight:800}.subnav{border-top:1px solid rgba(255,255,255,.14);max-width:1180px;margin:0 auto;padding:0 18px 12px;display:flex;gap:20px;flex-wrap:wrap}.subnav button{color:#cbd5e1;background:transparent;border:0;cursor:pointer;padding:6px 0}.hero{background:linear-gradient(135deg,var(--navy),#12385a);color:#fff;text-align:center;padding:58px 18px 68px}.badge{display:inline-block;border:1px solid rgba(20,212,192,.65);background:rgba(20,212,192,.10);color:#19d0bd;border-radius:6px;padding:6px 14px;font-size:13px;font-weight:800;text-transform:uppercase}.hero h1{font-size:44px;line-height:1.1;margin:22px auto 12px;max-width:780px}.hero p{max-width:690px;margin:0 auto 24px;color:#e6eef7}.btnrow{display:flex;justify-content:center;gap:12px;flex-wrap:wrap}.btn{border:1px solid var(--line);background:#fff;color:var(--ink);padding:12px 20px;border-radius:8px;font-weight:800;cursor:pointer;text-decoration:none;display:inline-block}.btn.teal{background:var(--teal);border-color:var(--teal);color:#fff}.btn.orange{background:var(--orange);border-color:var(--orange);color:#111}.btn.blue{background:#2657d9;color:#fff;border-color:#2657d9}.btn.full{width:100%}.wrap{max-width:1180px;margin:0 auto;padding:34px 18px}.section-title{text-align:center;margin:8px 0 22px}.section-title small{color:var(--teal);font-weight:800;text-transform:uppercase;letter-spacing:.05em}.section-title h2{font-size:28px;margin:4px 0}.steps{max-width:650px;margin:0 auto;display:grid;gap:10px}.step{background:#fff;border:1px solid var(--line);border-radius:10px;padding:14px 18px;display:flex;align-items:center;justify-content:space-between;box-shadow:0 2px 10px rgba(7,18,53,.04)}.num{background:var(--teal);color:#fff;border-radius:50%;width:34px;height:34px;display:inline-flex;align-items:center;justify-content:center;font-weight:800;margin-right:15px}.grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}.grid2{display:grid;grid-template-columns:1fr 1fr;gap:18px}.card{background:#fff;border:1px solid var(--line);border-radius:14px;padding:22px;box-shadow:var(--shadow)}.mini-card{background:#fff;border:1px solid var(--line);border-radius:10px;padding:16px}.price-card{border:2px solid var(--teal);position:relative}.popular{position:absolute;top:-15px;left:50%;transform:translateX(-50%);background:var(--teal);color:#fff;border-radius:20px;padding:4px 12px;font-size:12px;font-weight:800}.price{font-size:38px;font-weight:900;margin:8px 0}.footer{background:var(--navy);color:#cbd5e1;padding:30px 18px;margin-top:30px}.footer .inner{max-width:1180px;margin:0 auto;display:grid;grid-template-columns:1.3fr 1fr 1.4fr;gap:28px}.footer h4{color:#fff;margin:0 0 10px}.disclaimer{max-width:1180px;margin:0 auto;color:#637083;border-top:1px solid var(--line);padding:22px 18px;font-size:14px}.form{max-width:760px;margin:0 auto}.field{margin:12px 0}.field label{display:block;font-weight:700;margin-bottom:5px}.field input,.field select{width:100%;padding:12px;border:1px solid var(--line);border-radius:8px;background:#fff}.check{display:flex;gap:10px;align-items:flex-start;margin:14px 0}.notice{background:#e6f8f5;border-left:4px solid var(--teal);padding:14px;border-radius:8px;margin:12px 0}.warn{background:#fff7e6;border-left:4px solid var(--orange);padding:14px;border-radius:8px;margin:12px 0}.toolbar{display:flex;gap:10px;flex-wrap:wrap;margin:14px 0}.pill{padding:9px 13px;border:1px solid var(--line);border-radius:7px;background:#fff;cursor:pointer}.pill.active{background:var(--teal);border-color:var(--teal);color:#fff}.formula{display:grid;grid-template-columns:1.2fr 1fr 1fr 1.1fr;gap:14px;align-items:center;border:1px solid var(--line);border-radius:12px;background:#fff;padding:16px;margin:12px 0}.formula .eq{display:inline-block;background:var(--navy);color:#35f5e2;padding:5px 12px;border-radius:5px;font-weight:900}.memory{border:1px solid #52d6a5;background:#edfff8;border-radius:8px;padding:10px}.quiz-card{max-width:950px;margin:0 auto}.progress{height:10px;background:#e8eef5;border-radius:10px;overflow:hidden;margin:10px 0 18px}.progress span{display:block;height:100%;background:var(--teal);width:0%}.answer{width:100%;text-align:left;border:1px solid var(--line);background:#fff;border-radius:8px;padding:13px;margin:8px 0;cursor:pointer}.answer.correct{border-color:#19a56e;background:#ecfff5;color:#065f46}.answer.wrong{border-color:#e11d48;background:#fff1f2;color:#9f1239}.correctbox{border-left:5px solid #20b66b;background:#eafff3;border-radius:8px;padding:14px;margin:12px 0}.wrongbox{border:1px solid var(--line);background:#fff;border-radius:8px;padding:14px;margin:12px 0}.coachgrid{display:grid;grid-template-columns:repeat(3,1fr);gap:12px;margin:12px 0}.coach{border-radius:8px;padding:12px;border:1px solid}.coach h4{margin:0 0 5px;font-size:13px;text-transform:uppercase}.coach.blue{background:#eff7ff;border-color:#9ecbff;color:#0b4b88}.coach.yellow{background:#fffbeb;border-color:#facc15;color:#713f12}.coach.purple{background:#f5f1ff;border-color:#c4b5fd;color:#4c1d95}.tabs{display:flex;gap:8px;flex-wrap:wrap;margin:12px 0}.route-card{max-width:1020px;margin:0 auto}.muted{color:var(--muted)}.hidden{display:none}.small{font-size:13px}.linklike{background:none;border:0;color:var(--teal);text-decoration:underline;cursor:pointer}.subject-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:14px}.testbtn{background:#fff;border:1px solid var(--line);border-radius:10px;padding:16px;text-align:left;cursor:pointer}.testbtn:hover{border-color:var(--teal)}.status{padding:8px 12px;border-radius:999px;background:#e6f8f5;color:#04776d;font-weight:800;display:inline-block}.ai-box textarea{width:100%;min-height:110px;border:1px solid var(--line);border-radius:8px;padding:12px}.chatbubble{background:#fff;border:1px solid var(--line);border-radius:10px;padding:14px;margin:12px 0;white-space:pre-wrap}.gate{background:#fff7e6;border:1px solid #fbbf24;border-radius:12px;padding:18px;margin:16px 0}.privacy{max-width:900px;margin:0 auto}.privacy h2{border-bottom:1px solid var(--line);padding-bottom:8px}@media(max-width:850px){.grid,.grid2,.footer .inner,.formula,.coachgrid,.subject-grid{grid-template-columns:1fr}.hero h1{font-size:34px}.bar{align-items:flex-start;flex-direction:column}.nav{width:100%}.nav button{flex:1}.subnav{gap:12px}.wrap{padding:24px 14px}}