:root{--primary-color: #fca311;--primary-hover: #e08b00;--secondary-color: #2b2d42;--bg-gradient-start: #e5e5e5;--bg-gradient-end: #ffffff;--text-dark: #14213d;--text-light: #ffffff;--text-muted: #8d99ae;--error-color: #d90429;--success-color: #55a630;--spacing-xs: .25rem;--spacing-sm: .5rem;--spacing-md: 1rem;--spacing-lg: 1.5rem;--spacing-xl: 2rem;--border-radius-sm: 4px;--border-radius-md: 8px;--border-radius-lg: 16px;--shadow-sm: 0 2px 4px rgba(0,0,0,.05);--shadow-md: 0 4px 8px rgba(0,0,0,.1);--shadow-lg: 0 8px 16px rgba(0,0,0,.15);--font-logo: "ZCOOL KuaiLe", cursive;--font-body: system-ui, -apple-system, sans-serif}*{box-sizing:border-box;margin:0;padding:0}body{font-family:var(--font-body);color:var(--text-dark);background:linear-gradient(135deg,var(--bg-gradient-start) 0%,var(--bg-gradient-end) 100%);min-height:100vh;line-height:1.5;background-attachment:fixed}body:before{content:"";position:fixed;top:-50px;left:-50px;width:200px;height:200px;border-radius:50%;background:radial-gradient(circle,#fca3111a,#fca31100 70%);z-index:-1}body:after{content:"";position:fixed;bottom:-100px;right:-50px;width:300px;height:300px;border-radius:50%;background:radial-gradient(circle,#2b2d420d,#2b2d4200 70%);z-index:-1}main{max-width:800px;margin:0 auto;padding:var(--spacing-xl) var(--spacing-md);animation:fadeIn .8s ease-out}header{text-align:center;margin-bottom:var(--spacing-xl)}h1{font-family:var(--font-logo);font-size:2.5rem;color:var(--secondary-color);margin-bottom:var(--spacing-sm);text-shadow:2px 2px 0px rgba(252,163,17,.3)}.subtitle{color:var(--text-muted);font-size:1rem}.search-card{background:#fff;padding:var(--spacing-xl);border-radius:var(--border-radius-lg);box-shadow:var(--shadow-lg);margin-bottom:var(--spacing-xl);border-top:4px solid var(--primary-color)}.form-group{margin-bottom:var(--spacing-lg)}.form-row{display:flex;gap:var(--spacing-md)}.form-field{flex:1;display:flex;flex-direction:column}label{font-weight:600;margin-bottom:var(--spacing-xs);color:var(--secondary-color);font-size:.9rem}input{padding:var(--spacing-sm) var(--spacing-md);border:1px solid #ccc;border-radius:var(--border-radius-md);font-family:var(--font-body);font-size:1rem;transition:all .2s ease}input:focus{outline:none;border-color:var(--primary-color);box-shadow:0 0 0 3px #fca31133}.actions{display:flex;gap:var(--spacing-md);align-items:center;margin-top:var(--spacing-xl)}button{padding:var(--spacing-sm) var(--spacing-lg);border:none;border-radius:var(--border-radius-md);font-weight:700;font-size:1rem;cursor:pointer;transition:all .2s ease;font-family:var(--font-body)}.btn-primary{background-color:var(--primary-color);color:var(--secondary-color);flex:2;height:48px}.btn-primary:hover:not(:disabled){background-color:var(--primary-hover);transform:translateY(-2px);box-shadow:var(--shadow-md)}.btn-primary:active:not(:disabled){transform:translateY(0)}.btn-secondary{background-color:#f1f3f5;color:var(--secondary-color);flex:1;height:48px}.btn-secondary:hover{background-color:#e9ecef}button:disabled{opacity:.6;cursor:not-allowed}.results-section{display:flex;flex-direction:column;gap:var(--spacing-xl)}.result-group h2{font-size:1.5rem;color:var(--secondary-color);margin-bottom:var(--spacing-md);display:flex;align-items:center;gap:var(--spacing-sm)}.badge{font-size:.8rem;padding:2px 8px;border-radius:12px;background:var(--primary-color);color:var(--secondary-color);font-weight:700}.grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(280px,1fr));gap:var(--spacing-md)}.card{background:#fff;border-radius:var(--border-radius-md);padding:var(--spacing-md);box-shadow:var(--shadow-sm);border-left:4px solid #ccc;transition:transform .2s ease,box-shadow .2s ease;animation:slideUp .5s ease backwards}.card.matched{border-left-color:var(--success-color)}.card.similar{border-left-color:var(--primary-color)}.card:hover{transform:translateY(-4px);box-shadow:var(--shadow-md)}.card-header{display:flex;justify-content:space-between;align-items:flex-start;margin-bottom:var(--spacing-md)}.card-title{font-size:1.25rem;font-weight:700;color:var(--secondary-color)}.card-band{font-size:.8rem;color:var(--text-muted)}.card-details{display:grid;grid-template-columns:1fr 1fr;gap:var(--spacing-sm);background:#f8f9fa;padding:var(--spacing-sm);border-radius:var(--border-radius-sm);font-size:.9rem}.detail-item{display:flex;flex-direction:column}.detail-label{font-size:.75rem;color:var(--text-muted);text-transform:uppercase}.detail-value{font-weight:500;color:var(--text-dark)}.card-footer{margin-top:var(--spacing-md);font-size:.85rem;color:var(--text-muted);display:flex;justify-content:space-between}.alert{padding:var(--spacing-md);border-radius:var(--border-radius-md);margin-top:var(--spacing-md);text-align:center;font-weight:500}.alert-error{background-color:#fff0f3;color:var(--error-color);border:1px solid #ffccd5}.alert-info{background-color:#e0fbfc;color:#14213d;border:1px solid #bde0fe;font-family:var(--font-logo);font-size:1.2rem;box-shadow:var(--shadow-sm)}.loading{text-align:center;padding:var(--spacing-xl);color:var(--text-muted);font-weight:500}.spinner{display:inline-block;width:24px;height:24px;border:3px solid rgba(252,163,17,.3);border-radius:50%;border-top-color:var(--primary-color);animation:spin 1s ease-in-out infinite;margin-bottom:var(--spacing-sm)}@keyframes fadeIn{0%{opacity:0}to{opacity:1}}@keyframes slideUp{0%{opacity:0;transform:translateY(20px)}to{opacity:1;transform:translateY(0)}}@keyframes spin{to{transform:rotate(360deg)}}@media (max-width: 600px){.form-row,.actions{flex-direction:column}.btn-primary,.btn-secondary{width:100%}}