:root{--color-primary: #1a1a2e;--color-primary-light: #2d2d4a;--color-accent: #4f46e5;--color-accent-light: #818cf8;--color-success: #10b981;--color-warning: #f59e0b;--color-danger: #ef4444;--color-bg: #f0f2f5;--color-card: #ffffff;--color-text: #1e293b;--color-text-secondary: #64748b;--color-text-light: #94a3b8;--color-border: #e2e8f0;--color-border-light: #f1f5f9;--radius-sm: 8px;--radius: 14px;--radius-lg: 20px;--shadow-sm: 0 1px 3px rgba(0,0,0,.04), 0 1px 2px rgba(0,0,0,.06);--shadow: 0 4px 16px rgba(0,0,0,.06), 0 1px 4px rgba(0,0,0,.04);--shadow-lg: 0 10px 32px rgba(0,0,0,.08), 0 2px 8px rgba(0,0,0,.04);--font-sans: -apple-system, BlinkMacSystemFont, "SF Pro Display", "PingFang SC", "Microsoft YaHei", sans-serif}*{margin:0;padding:0;box-sizing:border-box}html,body,#app{height:100%;overflow-x:hidden}body{background:var(--color-bg);color:var(--color-text);font-family:var(--font-sans);font-size:14px;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}.flex-center{display:flex;align-items:center;justify-content:center}.flex-between{display:flex;align-items:center;justify-content:space-between}.text-ellipsis{overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.price{color:var(--color-accent);font-weight:600}.card{background:var(--color-card);border-radius:var(--radius);padding:18px;margin:12px 16px;box-shadow:var(--shadow-sm);border:1px solid var(--color-border-light);transition:box-shadow .2s ease}.btn{display:inline-flex;align-items:center;justify-content:center;padding:11px 24px;border-radius:12px;border:none;font-size:14px;font-weight:600;cursor:pointer;transition:all .2s ease;letter-spacing:.01em}.btn-primary{background:linear-gradient(135deg,var(--color-primary),var(--color-primary-light));color:#fff;box-shadow:0 2px 8px #1a1a2e40}.btn-primary:active{transform:scale(.98);box-shadow:0 1px 4px #1a1a2e33}.btn-danger{background:#ef4444;color:#fff}.btn-outline{background:transparent;border:1.5px solid var(--color-border);color:var(--color-text)}.btn-block{width:100%}.btn:disabled{opacity:.45;cursor:not-allowed}.toast{position:fixed;top:50%;left:50%;transform:translate(-50%,-50%);background:rgba(15,23,42,.88);color:#fff;padding:12px 28px;border-radius:var(--radius-sm);font-size:14px;z-index:9999;pointer-events:none;-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);animation:toastIn .25s ease}@keyframes toastIn{0%{opacity:0;transform:translate(-50%,-50%) scale(.92)}to{opacity:1;transform:translate(-50%,-50%) scale(1)}}.page{min-height:100vh;padding-bottom:70px}.page-header{background:linear-gradient(135deg,var(--color-primary),var(--color-primary-light));padding:24px 20px 32px;color:#fff;position:relative}.nav-bar{position:sticky;top:0;z-index:99;background:rgba(255,255,255,.92);backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px);height:44px;display:flex;align-items:center;padding:0 16px;border-bottom:1px solid var(--color-border-light)}.nav-bar .back{margin-right:12px;cursor:pointer;font-size:18px;color:var(--color-text)}.nav-bar .title{font-size:16px;font-weight:700;flex:1;text-align:center;letter-spacing:.02em}.input-group{margin-bottom:18px}.input-group label{display:block;font-size:13px;font-weight:600;color:var(--color-text-secondary);margin-bottom:8px}.input-group input,.input-group textarea{width:100%;padding:13px 14px;border:1.5px solid var(--color-border);border-radius:var(--radius-sm);font-size:15px;outline:none;transition:border-color .2s,box-shadow .2s;background:#fafbfc;font-family:var(--font-sans)}.input-group input:focus,.input-group textarea:focus{border-color:var(--color-accent);background:#fff;box-shadow:0 0 0 3px #4f46e51a}