*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}html{scroll-behavior:smooth}body{overflow-x:clip;width:100%;font-family:'Inter',sans-serif;background:var(--bg-primary);color:var(--text-primary);min-height:100vh;display:flex;flex-direction:column;line-height:1.7;overflow-x:hidden}.nav-btn-group{display:flex;gap:8px;align-items:center;margin-left:12px}main{flex:1}.error-section{padding:80px 0 60px;position:relative;overflow:hidden}.error-section::before{content:'';position:absolute;top:-120px;left:50%;transform:translateX(-50%);width:700px;height:700px;background:radial-gradient(circle,rgba(59,130,246,0.08) 0%,transparent 70%);pointer-events:none}.error-number{font-size:clamp(7rem,20vw,13rem);font-weight:900;line-height:1;letter-spacing:-0.04em;background:linear-gradient(135deg,#3b82f6 0%,#1d4ed8 40%,#6366f1 100%);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text;position:relative;display:inline-block;filter:drop-shadow(0 0 40px rgba(59,130,246,0.3));user-select:none}.error-icon-wrap{width:72px;height:72px;background:rgba(59,130,246,0.1);border:1px solid rgba(59,130,246,0.25);border-radius:20px;display:flex;align-items:center;justify-content:center;margin:0 auto 24px;font-size:1.8rem;color:var(--accent)}.error-title{font-size:clamp(1.4rem,3.5vw,2rem);font-weight:800;color:var(--text-primary);margin-bottom:16px;line-height:1.3}.error-desc{font-size:0.97rem;color:var(--text-secondary);max-width:480px;margin:0 auto 36px;line-height:1.85}.btn-primary-custom{display:inline-flex;align-items:center;gap:8px;background:var(--accent);color:var(--text-light);font-size:0.9rem;font-weight:700;padding:13px 28px;border-radius:var(--radius-sm);text-decoration:none;border:none;transition:all 0.25s ease;cursor:pointer}.btn-primary-custom:hover{background:var(--accent-hover);color:var(--text-light);transform:translateY(-2px);box-shadow:0 6px 24px rgba(59,130,246,0.4)}.btn-outline-custom{display:inline-flex;align-items:center;gap:8px;background:transparent;color:var(--text-secondary);font-size:0.9rem;font-weight:600;padding:12px 28px;border-radius:var(--radius-sm);text-decoration:none;border:1px solid var(--border);transition:all 0.25s ease}.btn-outline-custom:hover{border-color:var(--border-accent);color:var(--text-primary);background:var(--accent-glow)}.divider{border:none;border-top:1px solid var(--border);margin:0}.quick-section{padding:60px 0;background:var(--bg-alt)}.section-label{display:inline-flex;align-items:center;gap:7px;font-size:0.75rem;font-weight:700;letter-spacing:0.08em;text-transform:uppercase;padding:5px 14px;border-radius:20px;margin-bottom:6px}.section-label.blue{background:rgba(59,130,246,0.1);color:var(--accent);border:1px solid rgba(59,130,246,0.2)}.section-label.gold{background:rgba(245,158,11,0.1);color:var(--gold);border:1px solid rgba(245,158,11,0.2)}.section-title{font-size:clamp(1.25rem,2.5vw,1.6rem);font-weight:800;color:var(--text-primary);line-height:1.3}.section-sub{font-size:0.9rem;color:var(--text-secondary);line-height:1.75}.game-card{background:var(--bg-card);border:1px solid var(--border);border-radius:var(--radius);padding:22px 20px;text-decoration:none;display:flex;align-items:center;gap:16px;transition:all 0.25s ease;position:relative;overflow:hidden}.game-card::before{content:'';position:absolute;top:0;left:0;right:0;height:2px;background:var(--card-color,var(--accent));opacity:0;transition:opacity 0.25s ease}.game-card:hover{border-color:var(--border-accent);transform:translateY(-3px);box-shadow:var(--shadow);text-decoration:none}.game-card:hover::before{opacity:1}.game-icon{width:46px;height:46px;border-radius:12px;display:flex;align-items:center;justify-content:center;font-size:1.1rem;flex-shrink:0}.gi-blue{background:rgba(59,130,246,0.12);color:#3b82f6}.gi-green{background:rgba(34,197,94,0.12);color:var(--secondary)}.gi-gold{background:rgba(245,158,11,0.12);color:#f59e0b}.gi-purple{background:rgba(168,85,247,0.12);color:#a855f7}.gi-teal{background:rgba(20,184,166,0.12);color:#14b8a6}.gi-orange{background:rgba(249,115,22,0.12);color:#f97316}.game-card-body h6{font-size:0.88rem;font-weight:700;color:var(--text-primary);margin-bottom:3px}.game-card-body p{font-size:0.78rem;color:var(--text-muted);margin:0;line-height:1.5}.game-card-arrow{margin-left:auto;color:var(--text-muted);font-size:0.78rem;transition:transform 0.2s ease,color 0.2s ease}.game-card:hover .game-card-arrow{color:var(--accent);transform:translateX(3px)}.page-link-card{background:var(--bg-card);border:1px solid var(--border);border-radius:var(--radius);padding:18px 20px;text-decoration:none;display:flex;align-items:center;gap:14px;transition:all 0.25s ease}.page-link-card:hover{border-color:var(--border-accent);background:rgba(59,130,246,0.05);transform:translateY(-2px);box-shadow:var(--shadow);text-decoration:none}.page-link-icon{width:40px;height:40px;border-radius:10px;display:flex;align-items:center;justify-content:center;font-size:0.9rem;flex-shrink:0}.page-link-card h6{font-size:0.86rem;font-weight:700;color:var(--text-primary);margin-bottom:2px}.page-link-card p{font-size:0.76rem;color:var(--text-muted);margin:0}.search-wrap{background:var(--bg-card);border:1px solid var(--border);border-radius:var(--radius);padding:28px 28px;text-align:center}.search-wrap h5{font-size:1rem;font-weight:700;color:var(--text-primary);margin-bottom:8px}.search-wrap p{font-size:0.84rem;color:var(--text-secondary);margin-bottom:18px}.search-input-group{display:flex;gap:8px;max-width:360px;margin:0 auto}.search-input{flex:1;background:var(--bg-secondary);border:1px solid var(--border);color:var(--text-primary);font-size:0.85rem;padding:10px 14px;border-radius:var(--radius-sm);outline:none;transition:border-color 0.2s;font-family:'Inter',sans-serif}.search-input:focus{border-color:var(--accent)}.search-input::placeholder{color:var(--text-muted)}.search-btn{background:var(--accent);border:none;color:var(--text-light);font-size:0.85rem;font-weight:600;padding:10px 18px;border-radius:var(--radius-sm);cursor:pointer;transition:background 0.2s;font-family:'Inter',sans-serif}.search-btn:hover{background:var(--accent-hover)}.contact-box{background:linear-gradient(135deg,rgba(59,130,246,0.08) 0%,rgba(99,102,241,0.06) 100%);border:1px solid rgba(59,130,246,0.18);border-radius:var(--radius);padding:28px;text-align:center}.contact-box h5{font-size:1rem;font-weight:700;color:var(--text-primary);margin-bottom:8px}.contact-box p{font-size:0.84rem;color:var(--text-secondary);margin-bottom:16px;line-height:1.7}.contact-email{display:inline-flex;align-items:center;gap:8px;background:rgba(59,130,246,0.1);border:1px solid rgba(59,130,246,0.2);border-radius:var(--radius-sm);padding:10px 18px;font-size:0.85rem;color:var(--accent);font-weight:600}.dot-grid{position:absolute;inset:0;background-image:radial-gradient(circle,rgba(59,130,246,0.08) 1px,transparent 1px);background-size:36px 36px;pointer-events:none;z-index:0}@keyframes glitch{0%,100%{clip-path:inset(0 0 95% 0);transform:translateX(0)}10%{clip-path:inset(10% 0 75% 0);transform:translateX(-4px)}20%{clip-path:inset(40% 0 40% 0);transform:translateX(4px)}30%{clip-path:inset(70% 0 10% 0);transform:translateX(-3px)}40%{clip-path:inset(0 0 0 0);transform:translateX(0)}}.error-number-wrap{position:relative;display:inline-block;margin-bottom:8px}.error-number-ghost{position:absolute;inset:0;font-size:clamp(7rem,20vw,13rem);font-weight:900;line-height:1;letter-spacing:-0.04em;background:linear-gradient(135deg,#ef4444 0%,#f97316 100%);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text;animation:glitch 3.5s infinite;opacity:0.35;user-select:none}.pulse-badge{display:inline-flex;align-items:center;gap:7px;background:rgba(239,68,68,0.1);border:1px solid rgba(239,68,68,0.25);border-radius:20px;padding:5px 14px;font-size:0.75rem;font-weight:700;color:#ef4444;letter-spacing:0.06em;text-transform:uppercase;margin-bottom:18px}.pulse-dot{width:7px;height:7px;background:#ef4444;border-radius:50%;animation:pulse 1.5s ease-in-out infinite}@keyframes pulse{0%,100%{opacity:1;transform:scale(1)}50%{opacity:0.4;transform:scale(0.7)}}@media (max-width:991px){.nav-btn-group{margin-left:0;margin-top:10px}}@media (max-width:575px){.error-section{padding:52px 0 44px}.btn-primary-custom,.btn-outline-custom{width:100%;justify-content:center}.search-input-group{flex-direction:column}}