*{margin:0;padding:0;box-sizing:border-box}
:root{--pc:#2c5f7c;--sc:#4a90a4;--ac:#7eb09b;--td:#2d3748;--tl:#4a5568;--bg:#f7fafc;--w:#ffffff;--sh:0 4px 6px rgba(0,0,0,.1);--sl:0 10px 15px rgba(0,0,0,.1)}
body{font-family:'Segoe UI',Tahoma,Geneva,Verdana,sans-serif;line-height:1.8;color:var(--td);background:var(--bg)}
#nb{background:var(--w);box-shadow:var(--sh);position:fixed;width:100%;top:0;z-index:1000}
.nc{max-width:1200px;margin:0 auto;display:flex;justify-content:space-between;align-items:center;padding:1rem 2rem}
.lg{font-size:1.5rem;font-weight:bold;color:var(--pc);text-decoration:none}
.nl{display:flex;list-style:none;gap:2rem}
.nl a{text-decoration:none;color:var(--td);font-weight:500;transition:color .3s}.nl a:hover{color:var(--pc)}
.mt{display:none;background:none;border:none;font-size:1.5rem;cursor:pointer;color:var(--pc)}
@media(max-width:768px){.nl{position:fixed;left:-100%;top:70px;flex-direction:column;background:var(--w);width:100%;text-align:center;transition:.3s;box-shadow:var(--sl);padding:2rem 0}.nl.active{left:0}.nl li{margin:1rem 0}.mt{display:block}}
.bc{max-width:800px;margin:90px auto 0;padding:1rem 2rem;font-size:.9rem;color:var(--tl)}.bc a{color:var(--pc);text-decoration:none}.bc a:hover{text-decoration:underline}
header{background:linear-gradient(135deg,var(--pc),var(--sc));color:var(--w);padding:3rem 2rem;text-align:center}
header h1{font-size:2.5rem;margin-bottom:1rem}header .sub{font-size:1.2rem;color:rgba(255,255,255,.95);margin-bottom:.8rem}header p{color:rgba(255,255,255,.9);margin-bottom:1rem}
.hcta{display:inline-block;background:var(--w);color:var(--pc);padding:1rem 2rem;text-decoration:none;border-radius:50px;font-weight:bold;transition:transform .3s;margin-top:1rem}.hcta:hover{transform:translateY(-2px)}
article{max-width:800px;margin:0 auto;padding:3rem 2rem;background:var(--w)}
h2{color:var(--pc);margin:2rem 0 1rem;font-size:1.8rem}h3{color:var(--sc);margin:1.5rem 0 1rem;font-size:1.4rem}
p{margin-bottom:1.2rem;color:var(--tl)}ul,ol{margin-left:2rem;margin-bottom:1.5rem;color:var(--tl)}li{margin-bottom:.5rem}
.hl{background:linear-gradient(135deg,#f0f4ff,#e0e7ff);padding:1.5rem;border-radius:10px;margin:2rem 0;border-left:4px solid var(--pc)}
.sg{display:grid;grid-template-columns:repeat(auto-fit,minmax(250px,1fr));gap:1.5rem;margin:2rem 0}
.sc{background:var(--bg);padding:1.5rem;border-radius:10px;text-align:center}.sc h4{color:var(--pc);margin-bottom:.5rem}
.lg2{display:grid;grid-template-columns:repeat(2,1fr);gap:1rem;margin:2rem 0}
.li2{background:var(--bg);padding:1rem;border-radius:8px;text-align:center}.li2 strong{color:var(--pc);display:block;margin-bottom:.3rem}
.cb{background:var(--pc);color:var(--w);padding:2rem;border-radius:10px;text-align:center;margin:3rem 0}.cb h3{color:var(--w);margin-bottom:1rem}.cb p{color:rgba(255,255,255,.9)}
.cbtn{display:inline-block;background:var(--w);color:var(--pc);padding:1rem 2rem;text-decoration:none;border-radius:50px;font-weight:bold;margin-top:1rem;transition:transform .3s}.cbtn:hover{transform:translateY(-2px)}
.ci{margin-top:1rem;font-size:.95rem}.ci a{color:var(--w);text-decoration:none}
.tb{background:linear-gradient(135deg,#e8913a,#f4a85c);color:#fff;padding:1.5rem;border-radius:10px;text-align:center;margin:2rem 0}
.tb a{display:inline-block;background:#fff;color:#e8913a;padding:.7rem 1.5rem;text-decoration:none;border-radius:50px;font-weight:bold;margin-top:.8rem;transition:transform .3s}.tb a:hover{transform:translateY(-2px)}
.online-badge{display:inline-block;background:#e8913a;color:#fff;padding:.3rem .8rem;border-radius:20px;font-size:.85rem;font-weight:600;margin-bottom:1rem}
footer{background:var(--td);color:var(--w);text-align:center;padding:2rem;margin-top:3rem}footer a{color:var(--ac);text-decoration:none}
@media(max-width:768px){header h1{font-size:1.8rem}header{padding:2rem 1rem}article{padding:2rem 1rem}.bc{padding:1rem;margin:80px auto 0}h2{font-size:1.5rem}h3{font-size:1.2rem}.sg{grid-template-columns:1fr}.lg2{grid-template-columns:1fr}.lg2{grid-template-columns:repeat(2,1fr)}}
@media(max-width:480px){header h1{font-size:1.5rem}.lg2{grid-template-columns:1fr}.nc{padding:1rem}.lg{font-size:1.2rem}}