:root{--primary:#2563eb;--primary-hover:#1d4ed8;--bg:#f8fafc;--card-bg:#fff;--text:#1e293b;--text-muted:#64748b;--border:#e2e8f0;--radius:12px;--shadow:0 4px 6px -1px rgba(0,0,0,.1), 0 2px 4px -2px rgba(0,0,0,.1);--max-width:1200px}[data-theme=dark]{--bg:#0f172a;--card-bg:#1e293b;--text:#f1f5f9;--text-muted:#94a3b8;--border:#334155;--shadow:0 4px 6px -1px rgba(0,0,0,.3), 0 2px 4px -2px rgba(0,0,0,.3)}*{box-sizing:border-box;margin:0;padding:0}body{background-color:var(--bg);color:var(--text);font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Helvetica Neue,Arial,sans-serif;line-height:1.5;transition:background-color .3s,color .3s}a{color:var(--primary);text-decoration:none}a:hover{text-decoration:underline}.container{max-width:var(--max-width);margin:0 auto;padding:0 20px}header{border-bottom:1px solid var(--border);background:var(--card-bg);margin-bottom:30px;padding:20px 0}.header-top{justify-content:space-between;align-items:center;margin-bottom:10px;display:flex}.lang-list{gap:15px;font-size:14px;display:flex}.lang-list a{color:var(--text-muted);white-space:nowrap}.lang-list a.active{color:var(--primary);font-weight:700}header .lang-list{-webkit-overflow-scrolling:touch;padding-bottom:5px;overflow-x:auto}header .lang-list::-webkit-scrollbar{height:0}footer .lang-list{flex-wrap:wrap;justify-content:center}.hero{justify-content:space-between;align-items:flex-start;gap:10px;margin-bottom:40px;display:flex}.hero-text{flex:1}.hero-text h1{color:var(--text);font-size:1.8rem}.hero-text p{color:var(--text-muted);font-size:1rem}.hero-ad{background:var(--border);flex-shrink:0;justify-content:center;align-items:center;width:728px;height:90px;display:flex;overflow:hidden}@media (max-width:1024px){.hero{flex-direction:column;gap:20px}.hero-ad{display:none}}#app{margin-bottom:40px}.card{background:var(--card-bg);border-radius:var(--radius);border:1px solid var(--border);box-shadow:var(--shadow);margin-bottom:24px;padding:24px}.token-display{text-align:center;margin:30px 0}.token-value{letter-spacing:5px;color:var(--primary);cursor:pointer;font-family:Courier New,Courier,monospace;font-size:4rem;font-weight:700}.progress-container{background:var(--border);border-radius:3px;height:6px;margin-bottom:20px;overflow:hidden}.progress-bar{background:var(--primary);height:100%;transition:width 1s linear}.actions{justify-content:center;gap:15px;display:flex}.btn{cursor:pointer;border:none;border-radius:8px;justify-content:center;align-items:center;gap:8px;padding:12px 24px;font-weight:600;transition:all .2s;display:inline-flex}.btn-primary{background:var(--primary);color:#fff}.btn-primary:hover{background:var(--primary-hover)}.btn-outline{border:1px solid var(--border);color:var(--text);background:0 0}.btn-outline:hover{background:var(--bg)}.account-item{border-bottom:1px solid var(--border);justify-content:space-between;align-items:center;padding:15px;display:flex}.account-item:last-child{border-bottom:none}.account-info h3{margin-bottom:4px;font-size:1.1rem}.account-info p{color:var(--text-muted);font-size:.9rem}.account-token{color:var(--primary);font-family:monospace;font-size:1.5rem;font-weight:700}.form-group{margin-bottom:15px}.form-group label{color:var(--text-muted);margin-bottom:5px;font-size:14px;font-weight:600;display:block}.form-control{border:1px solid var(--border);background:var(--bg);width:100%;color:var(--text);border-radius:6px;padding:10px 12px;font-size:16px}.tips{background:var(--card-bg);border-radius:var(--radius);margin-bottom:40px;padding:24px}.tips h2{margin-bottom:15px;font-size:1.5rem}.tips ul{padding-left:20px}.tips li{margin-bottom:10px}footer{border-top:1px solid var(--border);background:var(--card-bg);text-align:center;padding:40px 0}.footer-links{margin-bottom:20px}[v-cloak]{display:none}.text-center{text-align:center}.mt-4{margin-top:20px}.mb-4{margin-bottom:20px}.ad-container{min-height:100px;margin:20px 0}@media (max-width:600px){.token-value{font-size:3rem}}