:root{--bg-primary: #0a0e14;--bg-secondary: #12171f;--bg-card: #161b25;--bg-input: #1a1f2b;--border: #252b36;--border-light: #313845;--text-primary: #e6edf3;--text-secondary: #8b949e;--text-muted: #5c6570;--accent: #00d4aa;--accent-hover: #00b894;--accent-glow: rgba(0, 212, 170, .15);--gold: #f0b90b;--gold-glow: rgba(240, 185, 11, .2);--red: #f85149;--red-glow: rgba(248, 81, 73, .15);--green: #3fb950;--blue: #58a6ff;--orange: #d2991d;--radius: 12px;--radius-sm: 8px;--radius-lg: 16px;--shadow: 0 4px 24px rgba(0,0,0,.3);--shadow-lg: 0 8px 48px rgba(0,0,0,.5)}*{margin:0;padding:0;box-sizing:border-box}body{font-family:-apple-system,BlinkMacSystemFont,Segoe UI,PingFang SC,Hiragino Sans GB,Microsoft YaHei,sans-serif;background:var(--bg-primary);color:var(--text-primary);line-height:1.6;min-height:100vh;-webkit-font-smoothing:antialiased}a{color:var(--accent);text-decoration:none}a:hover{color:var(--accent-hover)}input,button,select,textarea{font-family:inherit;font-size:inherit;outline:none}button{cursor:pointer;border:none;font-weight:600;transition:all .2s}input{background:var(--bg-input);border:1px solid var(--border);color:var(--text-primary);padding:12px 16px;border-radius:var(--radius-sm);width:100%;transition:border-color .2s}input:focus{border-color:var(--accent);box-shadow:0 0 0 3px var(--accent-glow)}input::placeholder{color:var(--text-muted)}.container{max-width:1200px;margin:0 auto;padding:0 20px}.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:12px 24px;border-radius:var(--radius-sm);font-weight:600;transition:all .2s}.btn-primary{background:var(--accent);color:#000}.btn-primary:hover{background:var(--accent-hover);box-shadow:0 0 20px var(--accent-glow)}.btn-gold{background:linear-gradient(135deg,#f0b90b,#f8d12f);color:#000}.btn-gold:hover{box-shadow:0 0 20px var(--gold-glow);transform:translateY(-1px)}.btn-outline{background:transparent;border:1px solid var(--border-light);color:var(--text-primary)}.btn-outline:hover{border-color:var(--accent);color:var(--accent)}.btn-danger{background:var(--red);color:#fff}.btn-lg{padding:16px 32px;font-size:16px}.btn-sm{padding:8px 16px;font-size:14px}.btn-block{width:100%}.card{background:var(--bg-card);border:1px solid var(--border);border-radius:var(--radius);padding:24px}.card-glow{border-color:var(--accent);box-shadow:0 0 12px var(--accent-glow)}.badge{display:inline-block;padding:4px 12px;border-radius:20px;font-size:12px;font-weight:600}.badge-success{background:#3fb95026;color:var(--green)}.badge-pending{background:#d2991d26;color:var(--orange)}.badge-error{background:#f8514926;color:var(--red)}.spinner{width:24px;height:24px;border:2px solid var(--border);border-top-color:var(--accent);border-radius:50%;animation:spin .6s linear infinite}@keyframes spin{to{transform:rotate(360deg)}}.toast{position:fixed;top:20px;right:20px;z-index:9999;padding:16px 24px;border-radius:var(--radius-sm);background:var(--bg-card);border:1px solid var(--border);box-shadow:var(--shadow-lg);animation:slideIn .3s ease}.toast-success{border-color:var(--green)}.toast-error{border-color:var(--red)}.toast-info{border-color:var(--blue)}@keyframes slideIn{0%{transform:translate(100%);opacity:0}to{transform:translate(0);opacity:1}}.grid-2{display:grid;grid-template-columns:repeat(2,1fr);gap:16px}.grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}.grid-4{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}.hamburger-btn{display:none;flex-direction:column;gap:5px;background:none;border:none;cursor:pointer;padding:6px;z-index:1001}.hamburger-btn span{display:block;width:26px;height:2.5px;background:var(--text-secondary);border-radius:2px;transition:all .3s ease}.hamburger-btn.open span:nth-child(1){transform:rotate(45deg) translate(5px,5px)}.hamburger-btn.open span:nth-child(2){opacity:0}.hamburger-btn.open span:nth-child(3){transform:rotate(-45deg) translate(5px,-5px)}.mobile-overlay{display:none;position:fixed;top:0;right:0;bottom:0;left:0;background:#00000080;z-index:998}.mobile-overlay.active{display:block}@media (max-width: 768px){.container{padding:0 12px}.grid-2,.grid-3,.grid-4{grid-template-columns:1fr}.header-inner{padding:0 12px;height:56px}.header-inner .logo{font-size:18px}.header-inner .logo .logo-icon{font-size:22px}.hamburger-btn{display:flex}.header-nav{position:fixed;top:0;right:-280px;width:260px;height:100vh;background:var(--bg-card);border-left:1px solid var(--border);flex-direction:column;align-items:flex-start;padding:80px 24px 24px;gap:4px;z-index:999;transition:right .3s ease;box-shadow:-4px 0 20px #0000004d;overflow-y:auto}.header-nav.open{right:0}.header-nav a{width:100%;padding:12px 16px;font-size:15px;border-radius:var(--radius-sm)}.header-nav a:hover{background:var(--bg-hover)}.user-section{gap:8px}.user-section .btn-sm{padding:6px 12px;font-size:12px}.user-section .user-beans{font-size:12px;padding:4px 10px}.hero-section{padding:32px 0}.hero-section h1{font-size:26px}.hero-section .hero-desc{font-size:14px}.hero-stats{gap:12px}.stat-card{padding:16px}.stat-card .stat-icon{font-size:24px}.stat-card .stat-value{font-size:22px}.stat-card .stat-label{font-size:12px}.service-cards{grid-template-columns:repeat(2,1fr);gap:12px}.service-card{padding:16px}.service-card .service-icon{font-size:28px}.service-card h3{font-size:15px}.service-card .service-info{font-size:11px}.query-form{max-width:100%;padding:20px 16px}.query-form .form-group{margin-bottom:14px}.query-form input{font-size:15px;padding:12px}.query-form .btn{width:100%;padding:14px;font-size:15px}.result-container{padding:16px}.result-container table{font-size:13px}.result-container th,.result-container td{padding:10px 12px}.recharge-container{padding:20px 16px}.package-grid{grid-template-columns:1fr;gap:12px}.package-card{padding:18px}.recharge-steps{flex-direction:column;align-items:flex-start;gap:16px}.recharge-steps .step{flex-direction:row;gap:12px;min-width:0}.recharge-steps .step-number{width:36px;height:36px;font-size:16px;flex-shrink:0}.usdt-address-box{font-size:11px;word-break:break-all;padding:14px}.user-center .stats-grid{grid-template-columns:repeat(2,1fr);gap:10px}.user-center .stat-item{padding:14px}.user-center .stat-item .stat-num{font-size:20px}.user-center .stat-item .stat-lbl{font-size:11px}.admin-dashboard .stats-grid{grid-template-columns:repeat(2,1fr);gap:10px}.admin-dashboard .stat-card{padding:14px}.admin-dashboard .stat-card .num{font-size:20px}.admin-dashboard .stat-card .lbl{font-size:11px}.table-wrap{overflow-x:auto;-webkit-overflow-scrolling:touch}.table-wrap table{min-width:600px;font-size:13px}.table-wrap th,.table-wrap td{padding:10px 12px;white-space:nowrap}.modal-overlay{padding:0}.modal-box{width:100vw;height:100vh;max-width:none;border-radius:0;padding:24px 16px;overflow-y:auto}.modal-close{top:16px;right:16px;font-size:22px}.toast{top:auto;bottom:16px;left:16px;right:16px;text-align:center}.btn-group{flex-direction:column;gap:8px}.btn-group .btn{width:100%}.page-container{padding:16px 0}.section-title{font-size:18px;margin-bottom:12px}.history-list .history-item{padding:12px}.history-list .history-item .imei{font-size:14px}}@media (max-width: 480px){.hero-section h1{font-size:22px}.hero-section .hero-desc{font-size:13px}.stat-card{padding:12px}.stat-card .stat-value{font-size:20px}.service-cards{grid-template-columns:1fr}.header-inner .logo{font-size:16px}.header-inner .logo .logo-icon{font-size:20px}.header-nav{width:240px;right:-260px}.header-nav.open{right:0}.user-center .stats-grid,.admin-dashboard .stats-grid{grid-template-columns:1fr}.auth-form{padding:20px 16px}.auth-form h2{font-size:20px}.auth-form input{font-size:15px;padding:12px}.auth-form .btn{padding:14px;font-size:15px}}::-webkit-scrollbar{width:6px}::-webkit-scrollbar-track{background:var(--bg-primary)}::-webkit-scrollbar-thumb{background:var(--border-light);border-radius:3px}::-webkit-scrollbar-thumb:hover{background:var(--text-muted)}