:root{--bg: #0f1117;--bg2: #1a1d27;--bg3: #252836;--border: #2e3347;--text: #e2e8f0;--text2: #8892a4;--primary: #6366f1;--primary-h: #4f46e5;--success: #22c55e;--danger: #ef4444;--warning: #f59e0b;--info: #3b82f6;--radius: 10px;--shadow: 0 2px 8px rgba(0,0,0,.4);--nav-h: 60px;--bottom-h: 64px}*,*:before,*:after{box-sizing:border-box;margin:0;padding:0}html,body,#app{height:100%}body{background:var(--bg);color:var(--text);font-size:15px;line-height:1.5;font-family:Inter,PingFang SC,Microsoft YaHei,sans-serif}a{color:var(--primary);text-decoration:none}button{cursor:pointer;font-family:inherit}input,select,textarea{width:100%;padding:10px 14px;background:var(--bg3);border:1px solid var(--border);border-radius:8px;color:var(--text);font-size:15px;outline:none}input:focus,select:focus{border-color:var(--primary)}input::placeholder{color:var(--text2)}.layout{display:flex;flex-direction:column;min-height:100vh}.top-nav{height:var(--nav-h);background:var(--bg2);border-bottom:1px solid var(--border);display:flex;align-items:center;padding:0 16px;gap:12px;position:sticky;top:0;z-index:50}.top-nav-title{font-weight:600;font-size:17px;flex:1;text-align:center}.nav-btn{background:none;border:none;color:var(--text2);font-size:20px;padding:4px 8px}.page-scroll{flex:1;overflow-y:auto;padding-bottom:var(--bottom-h)}.bottom-nav{position:fixed;bottom:0;left:0;right:0;height:var(--bottom-h);background:var(--bg2);border-top:1px solid var(--border);display:flex;z-index:50}.bnav-item{flex:1;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:3px;color:var(--text2);font-size:11px;border:none;background:none}.bnav-item.active{color:var(--primary)}.bnav-icon{font-size:22px;line-height:1}.card{background:var(--bg2);border:1px solid var(--border);border-radius:var(--radius);padding:16px}.section{padding:16px}.section-title{font-size:13px;color:var(--text2);margin-bottom:12px;text-transform:uppercase;letter-spacing:.06em}.product-grid{display:grid;grid-template-columns:1fr 1fr;gap:12px;padding:16px}.product-card{background:var(--bg2);border:1px solid var(--border);border-radius:14px;padding:20px 16px;text-align:center;cursor:pointer;transition:all .2s}.product-card:hover{border-color:var(--primary);transform:translateY(-2px)}.product-icon{font-size:36px;margin-bottom:10px}.product-name{font-size:15px;font-weight:600}.product-desc{font-size:12px;color:var(--text2);margin-top:4px}.btn{display:inline-flex;align-items:center;justify-content:center;gap:6px;padding:12px 20px;border-radius:8px;font-size:15px;font-weight:500;border:none;transition:all .15s}.btn-primary{background:var(--primary);color:#fff}.btn-primary:hover{background:var(--primary-h)}.btn-ghost{background:var(--bg3);color:var(--text);border:1px solid var(--border)}.btn-danger{background:var(--danger);color:#fff}.btn-sm{padding:7px 14px;font-size:13px}.btn:disabled{opacity:.5;cursor:not-allowed}.w-full{width:100%}.form-group{margin-bottom:16px}label{display:block;font-size:13px;color:var(--text2);margin-bottom:6px}.badge{display:inline-block;padding:2px 8px;border-radius:20px;font-size:11px;font-weight:500}.badge-green{background:#22c55e26;color:var(--success)}.badge-red{background:#ef444426;color:var(--danger)}.badge-yellow{background:#f59e0b26;color:var(--warning)}.badge-blue{background:#3b82f626;color:var(--info)}.badge-gray{background:var(--bg3);color:var(--text2)}.auth-wrap{min-height:100vh;display:flex;align-items:center;justify-content:center;background:var(--bg);padding:20px}.auth-box{background:var(--bg2);border:1px solid var(--border);border-radius:16px;padding:36px 28px;width:100%;max-width:400px}.auth-logo{font-size:24px;font-weight:700;color:var(--primary);margin-bottom:6px}.auth-sub{font-size:13px;color:var(--text2);margin-bottom:28px}.auth-tabs{display:flex;margin-bottom:24px;border-bottom:1px solid var(--border)}.auth-tab{flex:1;text-align:center;padding:10px;font-size:14px;color:var(--text2);cursor:pointer;border-bottom:2px solid transparent}.auth-tab.active{color:var(--primary);border-bottom-color:var(--primary)}.balance-hero{background:linear-gradient(135deg,#6366f1,#4f46e5);border-radius:16px;padding:28px 24px;margin:16px;color:#fff}.balance-label{font-size:13px;opacity:.8;margin-bottom:8px}.balance-amt{font-size:36px;font-weight:700}.balance-sub{font-size:12px;opacity:.7;margin-top:6px}.wallet-actions{display:grid;grid-template-columns:1fr 1fr;gap:10px;padding:0 16px 16px}.ledger-item{display:flex;justify-content:space-between;align-items:center;padding:14px 0;border-bottom:1px solid var(--border)}.ledger-item:last-child{border-bottom:none}.ledger-type{font-size:13px;font-weight:500}.ledger-time{font-size:11px;color:var(--text2)}.ledger-amt{font-size:15px;font-weight:600}.loading,.empty{text-align:center;padding:48px;color:var(--text2)}.mt-8{margin-top:8px}.mt-12{margin-top:12px}.mt-16{margin-top:16px}.mb-16{margin-bottom:16px}.flex{display:flex}.items-center{align-items:center}.justify-between{justify-content:space-between}.gap-8{gap:8px}.text-sm{font-size:12px}.text-muted{color:var(--text2)}.text-center{text-align:center}.text-right{text-align:right}