:root{--bg-dark: #05070a;--bg-card: #101218;--text-main: #ffffff;--text-sub: #b4b4b4;--obi-blue: #2196f3;--obi-blue-glow: rgba(33, 150, 243, .5)}*{margin:0;padding:0;box-sizing:border-box}body{background:var(--bg-dark);color:var(--text-main);font-family:system-ui,sans-serif;-webkit-font-smoothing:antialiased}.section{max-width:1100px;margin:0 auto;padding:60px 20px}nav{width:100%;padding:18px 30px;display:flex;justify-content:space-between;align-items:center;background:var(--bg-dark);position:sticky;top:0;z-index:10}nav a{margin-left:22px;text-decoration:none;color:var(--text-main);font-weight:500;transition:.2s}nav a:hover{color:var(--obi-blue)}.hero-title{font-size:46px;font-weight:700;margin-bottom:20px}.hero-sub{font-size:16px;color:var(--text-sub);max-width:600px;line-height:1.5;margin-bottom:26px}.hero-buttons button{padding:10px 18px;margin-right:10px;border-radius:8px;border:1px solid var(--obi-blue);background:transparent;color:var(--text-main);cursor:pointer;transition:.2s}.hero-buttons button:hover{background:var(--obi-blue);border-color:var(--obi-blue)}.feature-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px;margin-top:40px}.feature-card{background:var(--bg-card);padding:24px;border-radius:14px;box-shadow:0 0 18px #00000059;transition:.25s}.feature-card:hover{box-shadow:0 0 25px var(--obi-blue-glow)}.feature-title{font-size:18px;font-weight:600;margin-bottom:12px}.feature-desc{font-size:14px;color:var(--text-sub)}.mock-img{width:260px;border-radius:22px;box-shadow:0 0 25px #0006}.mock-wrapper{display:flex;justify-content:center;align-items:center}.page-wrapper{width:100%;max-width:1100px;margin:auto;padding:2rem;color:var(--text-main)}.dlc-hero{display:flex;flex-direction:row;align-items:center;gap:3rem;padding:3rem 0}.dlc-hero-left{flex:0 0 auto}.dlc-obi{width:260px;filter:drop-shadow(0 0 20px rgba(0,190,255,.4))}.dlc-hero-right{flex:1}.dlc-title{font-size:2.8rem;font-weight:800;margin-bottom:1.5rem;color:var(--accent)}.dlc-category-list{display:flex;flex-direction:column;gap:.7rem}.dlc-category{border-left:3px solid var(--accent);padding-left:.8rem;font-size:1.1rem;color:var(--text-main);opacity:.85}.dlc-section{margin-top:4rem}.dlc-section-title{font-size:2rem;font-weight:700;margin-bottom:1.5rem;color:var(--accent)}.dlc-card-grid{display:grid;gap:1.5rem;grid-template-columns:repeat(auto-fit,minmax(260px,1fr))}.dlc-card{background:var(--bg-dark);border:1px solid rgba(0,180,255,.2);padding:1.4rem;border-radius:10px;transition:.3s ease}.dlc-card:hover{border-color:var(--accent);transform:translateY(-3px);box-shadow:0 0 15px #00b4ff40}.dlc-card-title{font-size:1.3rem;font-weight:600;margin-bottom:.5rem}.dlc-card-desc{opacity:.75;font-size:.95rem;line-height:1.4}.dlc-card-price{margin:.8rem 0;font-weight:700;color:var(--accent)}.dlc-button{background:var(--accent);color:#000;padding:.5rem 1.1rem;border-radius:8px;font-weight:600;cursor:pointer;border:none}.dlc-button:hover{background:#4ec9ff}.dlc-footer{margin-top:5rem;text-align:center;font-size:.9rem;opacity:.7}@keyframes float{0%{transform:translateY(0)}50%{transform:translateY(-10px)}to{transform:translateY(0)}}.animate-float{animation:float 4s ease-in-out infinite}