@import"https://fonts.googleapis.com/css2?family=Space+Grotesk:wght@400;500;600;700&display=swap";:root{--bg-0: #05080f;--bg-1: #0b1424;--surface: #0f1b2d;--surface-2: #122338;--surface-3: #0b1626;--text: #e2e8f0;--text-strong: #f8fafc;--text-muted: #94a3b8;--accent: #22d3ee;--accent-strong: #0ea5e9;--accent-glow: rgba(34, 211, 238, .35);--accent-binance: #f0b90b;--accent-binance-soft: rgba(240, 185, 11, .2);--success: #22c55e;--danger: #ef4444;--border: rgba(148, 163, 184, .18);--shadow: 0 18px 40px rgba(2, 8, 23, .6)}*{margin:0;padding:0;box-sizing:border-box}body{font-family:Space Grotesk,Segoe UI,Tahoma,Geneva,Verdana,sans-serif;background:var(--bg-1);min-height:100vh;color:var(--text);color-scheme:dark}.app{min-height:100vh;display:flex;flex-direction:column}.header{background:var(--surface);padding:50px 40px 20px;display:flex;justify-content:space-between;align-items:center;box-shadow:var(--shadow);border-bottom:1px solid rgba(255,255,255,.04);flex-wrap:wrap;gap:12px;position:relative}.brand{display:flex;align-items:center;gap:12px}.logo{width:32px;height:32px;object-fit:contain;border-radius:8px;box-shadow:0 6px 14px #0208178c}.brand-title{color:var(--text-strong);display:flex;flex-direction:column;line-height:1.1}.brand-title span:first-child{font-size:26px;font-weight:700}.brand-title span:last-child{font-size:18px;font-weight:600;color:var(--text)}.header-right{display:flex;align-items:center;gap:20px}.lang-toggle{position:absolute;top:16px;right:20px;display:inline-flex;align-items:center;justify-content:center;width:36px;height:36px;border-radius:999px;border:1px solid rgba(148,163,184,.3);background:rgba(15,23,42,.7);color:var(--text);cursor:pointer;transition:all .2s ease}.lang-toggle:hover{border-color:#f0b90b99;box-shadow:0 8px 16px #0f172a66}.lang-icon{font-size:14px}.network-banner{display:flex;align-items:center;justify-content:center;gap:12px;padding:10px 20px;background:rgba(239,68,68,.18);color:#fecaca;border-bottom:1px solid rgba(239,68,68,.35);font-size:13px}.switch-btn{padding:6px 12px;border-radius:8px;border:1px solid rgba(240,185,11,.6);background:transparent;color:var(--accent-binance);font-size:12px;cursor:pointer;transition:all .3s ease}.switch-btn:hover{background:var(--accent-binance);color:#141414;box-shadow:0 6px 14px #f0b90b59}.wallet-info{display:flex;align-items:center;gap:12px;background:rgba(15,23,42,.7);padding:10px 16px;border-radius:10px;border:1px solid var(--border)}.wallet-meta{display:flex;flex-direction:column;gap:4px;min-width:0}.wallet-balance{font-size:12px;color:var(--text-muted)}.address{color:var(--text-strong);font-weight:600;font-family:Courier New,monospace;max-width:140px;overflow:hidden;text-overflow:ellipsis}.badge{padding:6px 10px;border-radius:999px;font-size:12px;font-weight:600;white-space:nowrap}.badge-success{background:rgba(34,197,94,.15);color:#86efac;border:1px solid rgba(34,197,94,.4)}.badge-warning{background:var(--accent-binance-soft);color:#fde68a;border:1px solid rgba(240,185,11,.45)}.connect-btn,.disconnect-btn{padding:10px 20px;border:none;border-radius:8px;cursor:pointer;font-weight:600;transition:all .3s ease;white-space:nowrap}.connect-btn{background:var(--accent-binance);color:#141414}.connect-btn:hover{background:#f5c52b;transform:translateY(-2px);box-shadow:0 8px 18px #f0b90b59;color:#141414}.connect-btn.large{padding:15px 40px;font-size:16px}.disconnect-btn{background:#ef4444;color:#fff;font-size:12px;padding:8px 14px}.disconnect-btn:hover{background:#dc2626}.welcome{flex:1;display:flex;flex-direction:column;justify-content:center;align-items:center;color:var(--text-strong);text-align:center}.welcome h2{font-size:48px;margin-bottom:20px}.welcome p{font-size:18px;margin-bottom:40px;opacity:.9}.wallet-hint{font-size:14px;color:var(--text-muted);margin-top:-20px}.footer{margin-top:auto;padding:24px 20px 32px;background:linear-gradient(180deg,rgba(11,20,36,0) 0%,rgba(9,16,29,.85) 35%,rgba(7,12,22,.98) 100%);border-top:1px solid rgba(255,255,255,.06)}.footer-inner{max-width:1100px;margin:0 auto}.footer-title{font-size:14px;text-transform:uppercase;letter-spacing:.12em;color:var(--text-muted);margin-bottom:14px}.footer-links{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:14px}.footer-link{display:flex;align-items:center;gap:12px;padding:12px 14px;border-radius:10px;border:1px solid var(--border);background:rgba(10,18,32,.75);color:var(--text);text-decoration:none;font-weight:600;transition:all .2s ease}.footer-link:hover{border-color:#f0b90b99;box-shadow:0 12px 24px #0208178c;transform:translateY(-2px)}.footer-icon{width:34px;height:34px;border-radius:10px;display:inline-flex;align-items:center;justify-content:center;flex:0 0 34px}.footer-icon svg{width:20px;height:20px;fill:currentColor}.footer-icon.telegram{background:rgba(45,157,245,.18);color:#2d9df5}.footer-icon.x{background:rgba(248,250,252,.14);color:#f8fafc}.footer-icon.wechat{background:rgba(34,197,94,.18);color:#22c55e}.footer-text{white-space:nowrap}.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);border:0}.container{display:flex;flex:1;padding:20px;gap:20px}.nav{width:250px;background:var(--surface);border-radius:12px;padding:20px;display:flex;flex-direction:column;gap:10px;box-shadow:var(--shadow);border:1px solid rgba(255,255,255,.04)}.nav button{padding:15px 20px;border:1px solid var(--border);background:var(--surface-2);border-radius:8px;cursor:pointer;font-weight:600;transition:all .3s ease;color:var(--text);white-space:nowrap}.nav button:hover{border-color:var(--accent-binance);color:var(--accent-binance);box-shadow:0 8px 16px #0f172a66}.nav button.active{background:var(--accent-binance);color:#141414;border-color:transparent;box-shadow:0 10px 22px #f0b90b59}.main{flex:1;background:var(--surface);border-radius:12px;padding:40px;box-shadow:var(--shadow);overflow-y:auto;border:1px solid rgba(255,255,255,.04)}.section{margin-bottom:30px}.section-title{font-size:22px;color:var(--text-strong);margin-bottom:20px;padding-bottom:10px;border-bottom:2px solid var(--accent-binance)}.form-group{margin-bottom:20px}.form-group label{display:block;margin-bottom:8px;color:var(--text-strong);font-weight:600}.form-group input,.form-group select{width:100%;padding:12px;border:1px solid var(--border);border-radius:8px;font-size:14px;transition:border-color .3s ease;background:var(--surface-3);color:var(--text)}.form-group select option{background:var(--surface-3);color:var(--text)}.form-group select{-moz-appearance:auto;appearance:auto;-webkit-appearance:menulist;touch-action:manipulation;position:relative;z-index:1}.form-group input:focus,.form-group select:focus{outline:none;border-color:var(--accent);box-shadow:0 0 0 3px #22d3ee26}.button{padding:12px 30px;border:none;background:var(--accent-binance);color:#141414;border-radius:8px;cursor:pointer;font-weight:600;font-size:14px;transition:all .3s ease}.button:hover{background:#f5c52b;transform:translateY(-2px);box-shadow:0 10px 22px #f0b90b59;color:#141414}.button:disabled{background:#334155;cursor:not-allowed;transform:none}.button.small{padding:8px 16px;font-size:12px;white-space:nowrap;flex:0 0 auto}.success-message{background:rgba(34,197,94,.15);color:#86efac;padding:15px;border-radius:8px;margin-bottom:20px;border-left:4px solid var(--success)}.error-message{background:rgba(239,68,68,.15);color:#fca5a5;padding:15px;border-radius:8px;margin-bottom:20px;border-left:4px solid var(--danger)}.loading{display:inline-block;width:20px;height:20px;border:3px solid rgba(255,255,255,.2);border-top:3px solid var(--accent-strong);border-radius:50%;animation:spin 1s linear infinite}@keyframes spin{0%{transform:rotate(0)}to{transform:rotate(360deg)}}.card{background:var(--surface-2);border:1px solid var(--border);border-radius:10px;padding:20px;margin-bottom:15px;box-shadow:0 10px 24px #0f172a59}.card-title{font-weight:600;color:var(--text-strong);margin-bottom:10px;word-break:break-all}.card-content{color:var(--text-muted);font-size:14px}.invite-row{display:flex;gap:10px;align-items:center;flex-wrap:nowrap}.invite-input{flex:1;padding:10px 12px;border-radius:8px;border:1px solid var(--border);background:var(--surface-3);color:var(--text);font-size:13px;min-width:0;overflow:hidden;text-overflow:ellipsis}.invite-hint{margin-top:8px;font-size:12px;color:#86efac}.node-type-toggle{display:grid;grid-template-columns:1fr 1fr;gap:10px}.node-type-btn{border:1px solid var(--border);background:var(--surface-3);color:var(--text);padding:12px;border-radius:8px;font-weight:600;cursor:pointer;transition:all .2s ease;white-space:nowrap;display:flex;align-items:center;justify-content:center;flex-direction:column;gap:6px;text-align:center}.node-type-name{font-weight:700;font-size:14px}.node-type-tag{font-size:12px;padding:4px 8px;border-radius:999px;background:rgba(34,197,94,.18);color:#22c55e;border:1px solid rgba(34,197,94,.45);white-space:nowrap;font-weight:700;letter-spacing:.02em}.node-type-btn.active{background:var(--accent-binance);color:#141414;border-color:transparent;box-shadow:0 8px 18px #f0b90b59}.node-type-btn.active .node-type-tag{background:rgba(20,20,20,.2);color:#0b111a;border-color:#14141440}.check-list{display:grid;gap:8px;margin:12px 0 16px}.check-item{padding:10px 12px;border-radius:8px;background:rgba(10,18,32,.7);border:1px solid var(--border);font-size:12px;color:var(--text)}.check-ok{border-color:#22c55e99;background:rgba(34,197,94,.12)}.check-warn{border-color:#f0b90b99;background:rgba(240,185,11,.12)}.check-bad{border-color:#ef444499;background:rgba(239,68,68,.12)}.quiz-wallet{margin:6px auto 16px;display:inline-flex;flex-direction:column;align-items:center;gap:6px;padding:8px 12px;border-radius:10px;background:rgba(15,23,42,.7);border:1px solid rgba(148,163,184,.25);color:var(--text);max-width:100%}.quiz-wallet-label{font-size:11px;color:var(--text-muted);letter-spacing:.12em;text-transform:uppercase;white-space:nowrap}.quiz-wallet-row{width:100%;display:flex;align-items:center;justify-content:space-between;gap:10px}.quiz-wallet-copy{border:1px solid rgba(240,185,11,.6);background:rgba(240,185,11,.12);color:var(--accent-binance);padding:4px 10px;border-radius:999px;font-size:11px;cursor:pointer;font-weight:600;white-space:nowrap}.quiz-wallet-copy:hover{background:rgba(240,185,11,.22)}.quiz-wallet-value{font-family:Courier New,monospace;font-size:12px;color:var(--text-strong);word-break:break-all;line-height:1.4}.quiz-biyou-box{margin:12px auto 0;padding:12px;border-radius:10px;border:1px solid var(--border);background:rgba(11,22,38,.7);width:min(520px,100%);text-align:left}.quiz-biyou-title{font-size:13px;color:var(--text-muted);margin-bottom:8px}.quiz-biyou-row{display:flex;gap:8px;align-items:center}.quiz-biyou-input{flex:1;min-width:0;padding:9px 10px;border-radius:8px;border:1px solid var(--border);background:rgba(10,18,32,.9);color:var(--text);font-size:13px}.quiz-biyou-input:disabled{opacity:.85}.quiz-biyou-btn{padding:9px 12px;border-radius:8px;border:1px solid rgba(240,185,11,.5);background:rgba(240,185,11,.2);color:#fde68a;font-size:12px;font-weight:700;cursor:pointer;white-space:nowrap}.quiz-biyou-btn:disabled{opacity:.7;cursor:not-allowed}.quiz-biyou-hint{margin-top:8px;font-size:12px;color:#86efac}.quiz-biyou-success{margin-top:8px;font-size:12px;color:#22c55e}.quiz-biyou-error{margin-top:8px;font-size:12px;color:#f87171;word-break:break-word}@media (max-width: 768px){.quiz-wallet{max-width:100%}.quiz-wallet-value{max-width:240px}.quiz-biyou-row{flex-direction:column;align-items:stretch}}.node-type-btn:hover{border-color:var(--accent-binance)}@media (max-width: 768px){.container{flex-direction:column}.nav{width:100%;flex-direction:row;overflow-x:auto;gap:8px}.nav button{flex:1;min-width:max-content;font-size:13px;padding:12px 14px}.header{padding:18px 18px 22px;align-items:flex-start}.header-right{width:100%;justify-content:flex-end}.brand-title span:first-child{font-size:20px}.brand-title span:last-child{font-size:14px}.lang-toggle{top:12px;right:12px;width:32px;height:32px}.wallet-info{flex-wrap:nowrap;padding:8px 10px;gap:8px;margin-left:auto}.wallet-meta{gap:2px}.badge{font-size:11px;padding:5px 8px}.address{font-size:12px;max-width:120px}.disconnect-btn{font-size:11px;padding:6px 10px}.footer-links{grid-template-columns:1fr}.footer-link{justify-content:center}}