:root{--primary: #3b82f6;--primary-light: #dbeafe;--bg: #faf8f5;--card: #ffffff;--text: #1e293b;--text-muted: #94a3b8;--success: #22c55e;--warning: #f59e0b;--danger: #ef4444;--border: #ede8e1;--accent: #6366f1}*{margin:0;padding:0;box-sizing:border-box}body{font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Noto Sans SC,sans-serif;background:var(--bg);color:var(--text);min-height:100vh}#app{min-height:100vh}.container{max-width:420px;margin:0 auto;min-height:100vh;background:var(--bg);padding-bottom:64px}.header{padding:14px 16px;background:var(--card);border-bottom:1px solid var(--border);display:flex;align-items:center;justify-content:space-between;position:sticky;top:0;z-index:10}.header .logo{font-size:18px;font-weight:700}.header .logo span{color:var(--primary)}.header .avatar{width:32px;height:32px;border-radius:50%;background:linear-gradient(135deg,var(--primary),var(--accent));display:flex;align-items:center;justify-content:center;color:#fff;font-size:14px}.hero{margin:12px 16px;padding:18px;background:linear-gradient(135deg,var(--primary),var(--accent));border-radius:16px;color:#fff}.hero .top{display:flex;justify-content:space-between;align-items:center}.hero .label{font-size:12px;opacity:.85}.hero .amount{font-size:28px;font-weight:800;margin-top:4px}.hero .meta{font-size:11px;opacity:.75;margin-top:4px}.section{padding:0 16px 12px}.section-title{font-size:14px;font-weight:600;margin-bottom:10px}.card{background:var(--card);border:1px solid var(--border);border-radius:14px;padding:16px}.progress-bar{height:8px;background:#e0e7ff;border-radius:4px;overflow:hidden;margin:10px 0}.progress-bar .fill{height:100%;background:linear-gradient(90deg,var(--primary),var(--accent));border-radius:4px}.tier-tag{display:inline-flex;align-items:center;gap:4px;background:#f0fdf4;color:var(--success);font-size:11px;font-weight:500;padding:3px 10px;border-radius:6px}.price-table{background:var(--card);border-radius:14px;overflow:hidden;border:1px solid var(--border)}.price-row{display:flex;align-items:center;padding:11px 14px;border-bottom:1px solid var(--border);font-size:12px}.price-row:last-child{border-bottom:none}.price-row .bar{width:3px;height:24px;border-radius:2px;margin-right:10px;flex-shrink:0}.price-row .model{flex:1;font-weight:500}.price-row .orig{color:var(--text-muted);text-decoration:line-through;margin-right:8px;font-size:11px}.price-row .price{font-weight:700;font-size:13px}.btn{display:inline-block;width:100%;padding:12px;background:var(--primary);color:#fff;border:none;border-radius:10px;font-size:15px;font-weight:600;cursor:pointer;text-align:center}.btn:disabled{opacity:.6;cursor:not-allowed}.btn-ghost{background:var(--card);color:var(--primary);border:1px solid var(--primary)}.btn-sm{width:auto;padding:7px 16px;font-size:13px;border-radius:8px}.field{margin-bottom:14px}.field label{display:block;font-size:13px;color:var(--text-muted);margin-bottom:6px}.input{width:100%;padding:12px;border:1px solid var(--border);border-radius:10px;font-size:15px;background:var(--card);color:var(--text)}.input:focus{outline:none;border-color:var(--primary)}.row{display:flex;justify-content:space-between;align-items:center}.muted{color:var(--text-muted);font-size:12px}.mt8{margin-top:8px}.mt16{margin-top:16px}.list-item{background:var(--card);border:1px solid var(--border);border-radius:12px;padding:14px;margin-bottom:10px}.toast{position:fixed;top:16px;left:50%;transform:translate(-50%);background:#1e293beb;color:#fff;padding:10px 18px;border-radius:10px;font-size:13px;z-index:100;max-width:90%}.bottom-nav{position:fixed;bottom:0;left:50%;transform:translate(-50%);width:100%;max-width:420px;display:flex;background:var(--card);border-top:1px solid var(--border);padding:6px 0 10px;z-index:10}.nav-item{flex:1;text-align:center;font-size:10px;color:var(--text-muted);text-decoration:none;cursor:pointer}.nav-item.active{color:var(--primary)}.nav-item .icon{font-size:18px;display:block;margin-bottom:2px}.chip{display:inline-block;font-size:11px;padding:2px 8px;border-radius:6px}.chip.pending{background:#fef3c7;color:var(--warning)}.chip.paid{background:#f0fdf4;color:var(--success)}.chip.cancelled{background:#f1f5f9;color:var(--text-muted)}.chip.refunded{background:#fee2e2;color:var(--danger)}.empty{text-align:center;color:var(--text-muted);padding:40px 0;font-size:13px}.auth-wrap{max-width:420px;margin:0 auto;padding:48px 24px}.auth-title{font-size:24px;font-weight:800;margin-bottom:4px}.auth-title span{color:var(--primary)}.auth-sub{color:var(--text-muted);font-size:13px;margin-bottom:28px}.tabs{display:flex;gap:8px;margin-bottom:20px}.tab{flex:1;text-align:center;padding:10px;border-radius:10px;font-size:14px;cursor:pointer;background:var(--card);border:1px solid var(--border)}.tab.active{background:var(--primary-light);color:var(--primary);border-color:var(--primary);font-weight:600}.link{color:var(--primary);cursor:pointer;font-size:13px}