*{margin:0;padding:0;box-sizing:border-box}body{font-family:Inter,-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Oxygen,Ubuntu,Cantarell,sans-serif;line-height:1.6;color:#333;background:linear-gradient(135deg,#667eea,#764ba2);background-attachment:fixed;overflow-x:hidden}.container{max-width:1200px;margin:0 auto;padding:0 20px}header{padding:3rem 0 2rem;text-align:center;position:relative;overflow:hidden}header:before{content:"";position:absolute;top:0;left:0;width:100%;height:100%;background:radial-gradient(circle at 50% 50%,rgba(255,255,255,.1) 0%,transparent 50%);z-index:0}header h1{font-size:3.5rem;font-weight:900;color:#fff;text-shadow:0 2px 4px rgba(0,0,0,.3),0 0 20px rgba(255,255,255,.5),0 0 40px rgba(255,255,255,.3);font-family:Rajdhani,Orbitron,sans-serif;letter-spacing:6px;position:relative;z-index:1;margin:0;display:inline-block}h1.home-title{white-space:pre-line;line-height:1.2;text-align:center;color:#fff;text-shadow:0 2px 4px rgba(0,0,0,.5),0 0 20px 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h2{color:#333;font-size:2.5rem;margin-bottom:2.5rem;text-align:center;position:relative;font-weight:800;letter-spacing:2px;text-shadow:0 2px 4px rgba(0,0,0,.1)}section h2:after{content:"";position:absolute;bottom:-10px;left:50%;transform:translate(-50%);width:150px;height:4px;background:linear-gradient(135deg,#667eea,#764ba2);border-radius:2px}.product-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(160px,1fr));gap:.8rem;margin-bottom:3rem}.product-card{background:#fffffff2;border-radius:12px;overflow:hidden;transition:all .3s ease;box-shadow:0 6px 20px #00000026;-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);border:1px solid rgba(255,255,255,.2);position:relative;transform:translateY(0)}.product-card:hover{transform:translateY(-10px);box-shadow:0 20px 50px #0000004d}.product-card.recommended{border:2px solid #ff6b6b;position:relative;overflow:visible}.product-card.recommended:before{content:"推荐";position:absolute;top:-12px;left:50%;transform:translate(-50%);background:linear-gradient(135deg,#ff6b6b,#ff8e53);color:#fff;padding:6px 20px;border-radius:20px;font-size:.9rem;font-weight:700;z-index:2;box-shadow:0 4px 15px #ff6b6b66}.product-image-container{position:relative;width:100%;height:130px;overflow:hidden;background:linear-gradient(135deg,#f093fb,#f5576c)}.product-image-container img{width:100%;height:100%;object-fit:cover;transition:transform .5s ease}.product-card:hover .product-image-container img{transform:scale(1.1)}.special-badge{position:absolute;top:15px;right:15px;background:linear-gradient(135deg,#f59e0b,#ef4444);color:#fff;padding:8px 16px;border-radius:20px;font-weight:700;font-size:.9rem;z-index:1;box-shadow:0 4px 15px #f59e0b66}.product-info{padding:1rem}.product-info h3{margin-bottom:.6rem;font-size:1.1rem;color:#333;font-weight:700;line-height:1.3;overflow:hidden;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical}.price{font-weight:700;color:#ef4444;font-size:1.3rem;background:linear-gradient(135deg,#fee2e2,#fecaca);padding:.4rem .8rem;border-radius:10px;display:inline-block;margin-bottom:.8rem;font-weight:800;box-shadow:0 3px 12px #ef444426}.price-and-stock{display:flex;align-items:center;gap:.5rem;margin-bottom:.8rem;flex-wrap:wrap}.quantity{font-size:.75rem;color:#6b7280;margin:0;font-weight:500}.sell-button{width:100%;padding:.8rem;background:linear-gradient(135deg,#3b82f6,#1d4ed8);color:#fff;border:none;border-radius:10px;cursor:pointer;font-size:1rem;transition:all .3s ease;box-shadow:0 4px 15px #3b82f640;font-weight:700;letter-spacing:.3px;text-transform:uppercase}.sell-button:hover:not(:disabled){background:linear-gradient(135deg,#2563eb,#1e40af);transform:translateY(-3px);box-shadow:0 10px 30px 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#0003}.password-container{display:flex;justify-content:center;align-items:center;min-height:100vh;background:linear-gradient(135deg,#667eea,#764ba2);padding:20px}.password-form{background:#fffffff2;padding:3rem;border-radius:24px;box-shadow:0 20px 60px #0000004d;text-align:center;max-width:450px;width:100%;-webkit-backdrop-filter:blur(20px);backdrop-filter:blur(20px);border:1px solid rgba(255,255,255,.2)}.password-form h2{color:#333;margin-bottom:.5rem;font-size:2.5rem;font-weight:800;text-shadow:0 2px 4px rgba(0,0,0,.1)}.password-form p{color:#666;margin-bottom:2rem;font-size:1.1rem;font-weight:500}.password-form .form-group{margin-bottom:1.5rem;text-align:left}.password-form input{width:100%;padding:1rem 1.5rem;font-size:1.1rem;border:2px solid #e5e7eb;border-radius:12px;transition:all .3s ease;font-family:inherit;background:#fff;box-shadow:0 4px 15px #0000001a}.password-form input:focus{outline:none;border-color:#667eea;box-shadow:0 0 0 4px 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h1{font-size:2rem;letter-spacing:2px}section h2{font-size:1.5rem}.product-grid{grid-template-columns:1fr}.search-bar input{padding:.8rem 1.5rem;font-size:1rem}.product-info h3{font-size:1.1rem}.price{font-size:1.25rem}}.admin-header{display:flex;justify-content:space-between;align-items:center;margin-bottom:2rem;flex-wrap:wrap;gap:1rem;background:#fffffff2;padding:1.5rem;border-radius:16px;box-shadow:0 10px 30px #0003}.status-bar{background:#fffffff2;padding:2rem;border-radius:16px;margin-bottom:2rem;display:flex;justify-content:space-between;flex-wrap:wrap;gap:1.5rem;color:#333;box-shadow:0 10px 30px #0003;-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px)}.status-item{text-align:center;background:linear-gradient(135deg,#f093fb,#f5576c);padding:1.5rem;border-radius:12px;min-width:180px;color:#fff;box-shadow:0 6px 20px #f093fb66}.status-item h4{font-size:.9rem;color:#ffffffe6;margin-bottom:1rem;font-weight:600;text-transform:uppercase;letter-spacing:.5px}.status-item 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10px 30px #6c757d80}.form-group{margin-bottom:1.5rem}.form-group label{display:block;margin-bottom:.8rem;font-weight:600;color:#333;font-size:1rem}.form-group input,.form-group select,.form-group textarea{width:100%;padding:1rem 1.5rem;font-size:1rem;border:2px solid #e5e7eb;border-radius:12px;transition:all .3s ease;box-shadow:0 4px 15px #0000001a;font-family:inherit;background:#fff}.form-group input:focus,.form-group select:focus,.form-group textarea:focus{outline:none;border-color:#667eea;box-shadow:0 0 0 4px #667eea33;transform:translateY(-2px)}.admin-panel{background:#fffffff2;padding:2rem;border-radius:16px;box-shadow:0 10px 30px #0003;-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px)}.admin-panel h2{color:#333;text-shadow:0 2px 4px rgba(0,0,0,.1)}.admin-panel h3{color:#333;font-size:1.5rem;margin:1.5rem 0 1rem;font-weight:700;text-shadow:0 1px 2px rgba(0,0,0,.1)}.product-image{display:flex;justify-content:center;align-items:center;max-width:300px;max-height:300px;overflow:hidden;border-radius:12px;box-shadow:0 6px 20px #0003;background:#fff}.product-image img{max-width:100%;max-height:300px;object-fit:contain}.edit-product-form{max-width:600px;margin:0 auto}.product-info-grid{display:grid;grid-template-columns:1fr 2fr;gap:2rem;margin-bottom:2rem}.price-input{display:flex;gap:1rem;align-items:center}.price-input input{flex:1}.price-input button{min-width:120px}.product-item{background:#fffffff2;padding:1.5rem;border-radius:12px;border:2px solid transparent;transition:all .3s ease;box-shadow:0 6px 20px #0000001a}.product-item:hover{border-color:#667eea;transform:translateY(-2px);box-shadow:0 10px 30px #0003}.material-row{display:flex;gap:1rem;margin-bottom:.8rem;align-items:center;background:#f9fafb;padding:1rem;border-radius:12px;border:1px solid #e5e7eb;flex-wrap:wrap;box-shadow:0 4px 15px #0000001a}.material-row select{flex:2;min-width:200px}.material-row input{flex:1;min-width:120px}.material-row button{background:linear-gradient(135deg,#ff6b6b,#ee5a6f);color:#fff;border:none;padding:.8rem 1.5rem;border-radius:12px;cursor:pointer;font-weight:600;transition:all .3s ease;min-width:80px;box-shadow:0 4px 15px #ff6b6b4d}.material-row button:hover{background:linear-gradient(135deg,#ff5252,#e53935);transform:translateY(-2px);box-shadow:0 6px 20px #ff525280}.sales-summary{background:#fffffff2;color:#333;padding:2rem;border-radius:16px;margin-bottom:2rem;box-shadow:0 10px 30px #0003;-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px)}.summary-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:1.5rem;margin-top:1rem}.summary-item{background:linear-gradient(135deg,#4facfe,#00f2fe);padding:1.5rem;border-radius:12px;text-align:center;color:#fff;box-shadow:0 6px 20px #4facfe66}.summary-item h4{font-size:.9rem;margin-bottom:.8rem;opacity:.9;text-transform:uppercase;letter-spacing:.5px;font-weight:600}.summary-item p{font-size:2rem;font-weight:800;text-shadow:0 2px 4px rgba(0,0,0,.3)}table{width:100%;border-collapse:collapse;margin-top:1.5rem;background:#fff;border-radius:12px;overflow:hidden;box-shadow:0 10px 30px #0003}th,td{padding:1.2rem;text-align:left;border-bottom:1px solid #e5e7eb}th{background:linear-gradient(135deg,#667eea,#764ba2);color:#fff;font-weight:700;text-transform:uppercase;letter-spacing:.5px;font-size:.9rem}tr:hover{background:#f9fafb}tr:nth-child(2n){background:#f3f4f6}.form-actions{display:flex;gap:1rem;margin-top:2rem;justify-content:flex-end;flex-wrap:wrap}.error-message{background:linear-gradient(135deg,#fee2e2,#fecaca);color:#ef4444;padding:1rem 1.5rem;border-radius:12px;margin-bottom:1rem;box-shadow:0 4px 15px #ef444433;font-weight:600}.success-message{background:linear-gradient(135deg,#d1fae5,#a7f3d0);color:#16a34a;padding:1rem 1.5rem;border-radius:12px;margin-bottom:1rem;box-shadow:0 4px 15px #16a34a33;font-weight:600}.product-select-container{display:flex;flex-wrap:wrap;gap:1rem;margin-bottom:1rem;padding:1rem;background:#f9fafb;border-radius:12px;border:1px solid #e5e7eb;box-shadow:0 4px 15px #0000001a}.product-select-item{display:flex;align-items:center;gap:.5rem;background:#fff;padding:.8rem 1.2rem;border-radius:8px;box-shadow:0 4px 15px #0000001a;transition:all .3s ease;cursor:pointer;min-width:200px}.product-select-item:hover{box-shadow:0 6px 20px #00000026;transform:translateY(-2px)}.product-select-item input[type=checkbox]{width:18px;height:18px;accent-color:#667eea;cursor:pointer}.product-select-item label{margin:0;cursor:pointer;font-weight:500;color:#333}.product-stock{font-size:.9rem;color:#6b7280;margin:0;font-weight:500}.restock-section{margin:1.5rem 0;padding:1rem;background:#d1fae5;border-radius:12px;border:1px solid #a7f3d0;box-shadow:0 4px 15px #16a34a1a}.reset-data-section{margin:1.5rem 0;padding:1.5rem;background:#fee2e2;border-radius:12px;border:1px solid #fecaca;box-shadow:0 4px 15px #ef44441a}.warning-message{color:#721c24;background:#f8d7da;padding:1rem 1.5rem;border-radius:12px;margin-bottom:1.5rem;border:1px solid #f5c6cb;font-size:.95rem;line-height:1.6;box-shadow:0 4px 15px #721c241a}.warning-message strong{color:#e53935;font-weight:600}