:root{--primary: #a78bfa;--primary-hover: #8b5cf6;--bg-gradient: linear-gradient(135deg, #fef3c7 0%, #e0f2fe 100%);--card-bg: rgba(255, 255, 255, .85);--text-main: #1f2937;--text-muted: #4b5563;--accent-mint: #a7f3d0;--accent-pink: #fbcfe8;--border-radius: 24px;--shadow: 0 10px 30px rgba(0, 0, 0, .05)}body{margin:0;font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Helvetica,Arial,sans-serif;background:var(--bg-gradient);min-height:100vh;color:var(--text-main)}.app-container{max-width:1200px;margin:0 auto;padding:20px}.app-header{margin-bottom:24px}.header-content{display:flex;justify-content:space-between;align-items:center;flex-wrap:wrap;gap:16px}.logo-area{display:flex;align-items:center;gap:16px}.logo-icon-wrapper{position:relative;background:#fff;padding:12px;border-radius:20px;box-shadow:var(--shadow)}.logo-icon{width:32px;height:32px;color:var(--primary)}.logo-sparkle{position:absolute;top:-4px;right:-4px;width:16px;height:16px;color:#fbbf24}.logo-area h1{font-size:24px;font-weight:800;margin:0;background:linear-gradient(135deg,#6d28d9,#db2777);-webkit-background-clip:text;-webkit-text-fill-color:transparent}.subtitle{font-size:14px;color:var(--text-muted);margin:4px 0 0}.security-badge{background:#ffffffb3;padding:8px 16px;border-radius:50px;font-size:13px;display:flex;align-items:center;gap:8px;box-shadow:var(--shadow);border:1px solid rgba(255,255,255,.5)}.security-badge .dot{width:8px;height:8px;background-color:#10b981;border-radius:50%;display:inline-block;animation:pulse 2s infinite}@keyframes pulse{0%{transform:scale(.95);box-shadow:0 0 #10b981b3}70%{transform:scale(1);box-shadow:0 0 0 6px #10b98100}to{transform:scale(.95);box-shadow:0 0 #10b98100}}.tab-nav{display:flex;gap:12px;margin-bottom:24px;background:#ffffff80;padding:6px;border-radius:16px;width:fit-content}.tab-btn{display:flex;align-items:center;gap:8px;padding:10px 20px;border:none;background:transparent;border-radius:12px;cursor:pointer;font-weight:600;color:var(--text-muted);transition:all .2s ease}.tab-btn.active{background:#fff;color:var(--primary-hover);box-shadow:var(--shadow)}.card{background:var(--card-bg);-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);border-radius:var(--border-radius);padding:28px;box-shadow:var(--shadow);border:1px solid rgba(255,255,255,.6)}.card-header{display:flex;align-items:center;gap:12px;margin-bottom:24px}.card-header h2{font-size:20px;margin:0;font-weight:700}.header-icon{color:var(--primary);width:24px;height:24px}.alert-color{color:#ef4444}.recommend-grid{display:grid;grid-template-columns:1.1fr 1.2fr;gap:24px}@media (max-width: 900px){.recommend-grid{grid-template-columns:1fr}}.form-group{margin-bottom:24px}.form-group label{display:block;font-weight:600;margin-bottom:12px;font-size:15px}.option-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:12px}.option-card{background:#fff;border:2px solid transparent;border-radius:16px;padding:16px;cursor:pointer;display:flex;flex-direction:column;align-items:center;gap:8px;transition:all .2s ease;box-shadow:0 2px 8px #00000005}.option-card:hover{transform:translateY(-2px);box-shadow:0 4px 12px #a78bfa26}.option-card.selected{border-color:var(--primary);background:#f5f3ff}.option-card .emoji{font-size:24px}.option-card .label{font-size:13px;font-weight:600}.select-wrapper select{width:100%;padding:14px;border-radius:16px;border:1px solid rgba(0,0,0,.1);background:#fff;font-size:14px;outline:none;cursor:pointer}.budget-selector{display:grid;grid-template-columns:repeat(3,1fr);gap:8px}.budget-btn{background:#fff;border:2px solid transparent;border-radius:16px;padding:12px 8px;cursor:pointer;display:flex;flex-direction:column;align-items:center;transition:all .2s ease}.budget-btn.selected{border-color:var(--primary);background:#f5f3ff}.budget-btn .price-tag{font-weight:700;font-size:14px;color:var(--primary-hover)}.budget-btn .desc{font-size:11px;color:var(--text-muted);margin-top:4px}.submit-btn{width:100%;background:linear-gradient(135deg,var(--primary),var(--primary-hover));color:#fff;border:none;padding:16px;border-radius:16px;font-size:16px;font-weight:700;cursor:pointer;display:flex;align-items:center;justify-content:center;gap:10px;box-shadow:0 4px 15px #8b5cf64d;transition:all .2s ease}.submit-btn:hover{transform:translateY(-2px);box-shadow:0 6px 20px #8b5cf666}.submit-btn.loading{background:#9ca3af;cursor:not-allowed;box-shadow:none}.spinner{width:20px;height:20px;border:3px solid rgba(255,255,255,.3);border-radius:50%;border-top-color:#fff;animation:spin 1s ease-in-out infinite}@keyframes spin{to{transform:rotate(360deg)}}.result-card{position:relative;overflow:hidden}.badge-recommend{position:absolute;top:0;right:0;background:linear-gradient(135deg,#f59e0b,#d97706);color:#fff;padding:6px 16px;border-bottom-left-radius:16px;font-size:12px;font-weight:700}.result-main-header{display:flex;justify-content:space-between;align-items:flex-start;margin-bottom:20px;padding-top:10px}.brand-badge{background:#e0f2fe;color:#0369a1;padding:4px 8px;border-radius:8px;font-size:12px;font-weight:700}.camera-title{font-size:24px;font-weight:800;margin:8px 0 4px}.camera-type{font-size:14px;color:var(--text-muted);margin:0}.price-highlight{color:#db2777;font-weight:700}.suitability-score{background:#ecfdf5;border:2px solid #10b981;border-radius:50%;width:64px;height:64px;display:flex;flex-direction:column;align-items:center;justify-content:center}.score-num{font-size:20px;font-weight:800;color:#059669;line-height:1}.score-label{font-size:9px;color:#059669}.chart-container{background:#fff;border-radius:16px;padding:16px;margin-bottom:20px;box-shadow:inset 0 2px 8px #00000005}.chart-title{font-size:14px;margin:0 0 12px;color:var(--text-muted);text-align:center}.radar-wrapper{max-width:280px;margin:0 auto}.radar-svg{width:100%;height:auto}.pros-cons-section{display:grid;grid-template-columns:1fr 1fr;gap:16px;margin-bottom:20px}@media (max-width: 500px){.pros-cons-section{grid-template-columns:1fr}}.pro-column,.con-column{background:#fff;padding:16px;border-radius:16px}.pro-title{color:#059669;margin:0 0 8px;font-size:14px}.con-title{color:#d97706;margin:0 0 8px;font-size:14px}.pros-cons-section ul{list-style:none;padding:0;margin:0}.pros-cons-section li{font-size:12px;display:flex;align-items:flex-start;gap:6px;margin-bottom:6px;line-height:1.4}.icon-pro{color:#10b981;flex-shrink:0;margin-top:2px}.icon-con{color:#f59e0b;flex-shrink:0;margin-top:2px}.ai-advice-box{background:linear-gradient(135deg,#f5f3ff,#fdf2f8);border-left:4px solid var(--primary);padding:16px;border-radius:12px;margin-bottom:20px}.ai-advice-header{display:flex;align-items:center;gap:8px;font-weight:700;font-size:14px;margin-bottom:6px;color:var(--primary-hover)}.ai-advice-text{font-size:13px;line-height:1.6;margin:0;color:var(--text-muted)}.action-row{display:flex;gap:12px}.primary-btn,.secondary-btn{flex:1;display:flex;align-items:center;justify-content:center;gap:8px;padding:12px;border-radius:12px;font-weight:600;font-size:14px;cursor:pointer;transition:all .2s ease}.primary-btn{background:var(--primary);color:#fff;border:none}.primary-btn:hover{background:var(--primary-hover)}.secondary-btn{background:#fff;border:1px solid rgba(0,0,0,.1);color:var(--text-muted)}.secondary-btn:hover{background:#f9fafb}.placeholder-card{display:flex;flex-direction:column;align-items:center;justify-content:center;text-align:center;padding:60px 40px;min-height:400px}.placeholder-illustration{position:relative;margin-bottom:24px}.big-cam{width:64px;height:64px;color:var(--primary);opacity:.8;position:relative;z-index:2}.pulse-ring{position:absolute;top:-10px;left:-10px;right:-10px;bottom:-10px;border:2px dashed var(--primary);border-radius:50%;animation:rotate 20s linear infinite;opacity:.3}@keyframes rotate{to{transform:rotate(360deg)}}.placeholder-card h3{font-size:20px;margin:0 0 8px}.placeholder-card p{font-size:14px;color:var(--text-muted);max-width:320px;margin:0 0 24px}.quick-tip{display:flex;align-items:center;gap:8px;background:#fef3c7;color:#b45309;padding:8px 16px;border-radius:50px;font-size:12px}.traps-container,.history-container{max-width:800px;margin:0 auto}.traps-intro{color:var(--text-muted);font-size:15px;margin-bottom:24px}.traps-list{display:flex;flex-direction:column;gap:16px;margin-bottom:24px}.trap-item{display:flex;gap:16px;background:#fff;padding:20px;border-radius:16px;box-shadow:0 2px 8px #00000005}.trap-num{font-size:24px;font-weight:800;color:#ef4444;opacity:.6}.trap-body h3{margin:0 0 6px;font-size:16px}.trap-body p{margin:0;font-size:13px;color:var(--text-muted);line-height:1.5}.traps-footer{background:#ecfdf5;border:1px dashed #10b981;padding:12px;border-radius:12px;text-align:center;color:#065f46;font-size:13px}.empty-history{text-align:center;padding:40px;color:var(--text-muted)}.history-list{display:flex;flex-direction:column;gap:12px}.history-card{background:#fff;border-radius:16px;padding:16px;box-shadow:0 2px 8px #00000005}.history-meta{display:flex;justify-content:space-between;margin-bottom:8px}.history-time{font-size:12px;color:var(--text-muted)}.history-badge{background:#f3e8ff;color:#6b21a8;padding:2px 8px;border-radius:6px;font-size:11px;font-weight:600}.history-details{display:flex;gap:16px;font-size:13px;margin-bottom:8px}.detail-item .label{color:var(--text-muted)}.detail-item .value{font-weight:600}.history-recommendation{font-size:14px;border-top:1px solid #f3f4f6;padding-top:8px}.rec-label{color:var(--text-muted)}.rec-value{color:var(--primary-hover)}