*{box-sizing:border-box}body,html{margin:0;padding:0}:root{--bg:#f1f5f9;--surface:#fff;--surface-muted:#f8fafc;--text:#0b1220;--text-secondary:#334155;--border:#cbd5e1;--primary:#1e3a8a;--primary-strong:#1d4ed8;--primary-soft:#dbeafe;--success:#15803d;--danger:#b91c1c;--warning:#92400e}body{font-family:Inter,-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,sans-serif;background:var(--bg);color:var(--text);line-height:1.6}a,button,input{font:inherit}:focus-visible{outline:3px solid var(--primary-strong);outline-offset:2px}.container{max-width:1200px;margin:0 auto;padding:0 24px}.site-header{background:var(--surface);border-bottom:1px solid #e2e8f0;padding:16px 0;position:sticky;top:0;z-index:100}.site-header-inner{max-width:1200px;margin:0 auto;padding:0 24px;display:flex;align-items:center;justify-content:space-between;gap:16px}.site-brand{font-size:24px;font-weight:800;color:var(--primary-strong);text-decoration:none}.site-nav{display:flex;align-items:center;gap:24px}.site-nav a{color:#475569;font-weight:600;text-decoration:none}.site-nav a.active{color:var(--primary-strong)}.site-footer{background:var(--text);color:var(--border);padding:40px 0 24px}.footer-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:20px}.footer-brand{font-size:24px;font-weight:800;color:var(--surface);margin-bottom:8px}.footer-desc{color:var(--border)}.footer-title{color:var(--surface);margin:0 0 8px}.footer-links{display:flex;flex-direction:column;gap:6px}.footer-links a{color:var(--border);text-decoration:none}.footer-bottom{margin-top:24px;padding-top:16px;border-top:1px solid rgba(148,163,184,.25);text-align:center}.card{background:var(--surface);border:1px solid var(--border);border-radius:16px}.btn{border-radius:10px;padding:10px 14px;font-weight:700;text-decoration:none;border:1px solid transparent;display:inline-flex;align-items:center;justify-content:center;cursor:pointer}.btn-primary{background:var(--primary-strong);border-color:var(--primary);color:var(--surface)}.btn-primary:hover{background:var(--primary)}.btn-secondary{background:#eff6ff;border-color:#93c5fd;color:#1e3a8a}.btn-outline{background:var(--surface);border-color:var(--border);color:var(--text)}.hero{background:linear-gradient(135deg,var(--primary-strong) 0,var(--primary) 100%);color:var(--surface);padding:0 0 64px}.header{padding:16px 0}.header-inner{max-width:1200px;margin:0 auto;padding:0 24px;display:flex;justify-content:flex-end}.login-btn{border:1px solid hsla(0,0%,100%,.6);background:rgba(15,23,42,.22);color:var(--surface);border-radius:12px;padding:10px 14px;cursor:pointer;font-weight:700}.hero-content{max-width:900px;margin:0 auto;padding:24px;text-align:center}.hero-title{font-size:clamp(34px,7vw,56px);line-height:1.15;margin:10px 0}.hero-subtitle{margin:0 0 24px;color:hsla(0,0%,100%,.96);font-size:clamp(16px,2.8vw,22px)}.search-container{max-width:640px;margin:0 auto;display:flex;gap:10px;align-items:center;background:hsla(0,0%,100%,.14);border:1px solid hsla(0,0%,100%,.35);border-radius:14px;padding:8px}.search-icon{color:hsla(0,0%,100%,.9);width:24px;height:24px;margin-left:6px}.search-box{flex:1;border:none;background:var(--surface);border-radius:10px;color:var(--text);padding:12px 14px;min-width:0}.search-box::-moz-placeholder{color:#475569}.search-box::placeholder{color:#475569}.search-btn{border:none;border-radius:10px;padding:12px 16px;background:var(--text);color:var(--surface);font-weight:700;cursor:pointer}.tags{margin-top:18px;display:flex;flex-wrap:wrap;justify-content:center;gap:8px}.tag{display:inline-block;text-decoration:none;color:var(--surface);border:1px solid hsla(0,0%,100%,.45);background:hsla(0,0%,100%,.16);border-radius:999px;padding:6px 12px;font-weight:600}.section{padding:52px 0}.section-title{text-align:center;margin:0 0 8px;font-size:30px;line-height:1.2}.section-subtitle{margin:0 auto 28px;text-align:center;max-width:760px;color:var(--text-secondary)}.categories-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:18px}.category-card{display:block;text-decoration:none;color:var(--text);background:var(--surface);border:1px solid var(--border);border-radius:16px;padding:20px}.category-icon{width:64px;height:64px;border-radius:16px;display:flex;align-items:center;justify-content:center;font-size:30px;margin-bottom:10px}.category-name{margin:0;font-size:18px}.category-count{margin:6px 0 0;color:var(--text-secondary);font-weight:600}.products-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:18px}.product-card{text-decoration:none;color:inherit;background:var(--surface);border:1px solid var(--border);border-radius:16px;overflow:hidden}.product-image{position:relative;height:208px;background:#e2e8f0}.product-image img{width:100%;height:100%;-o-object-fit:cover;object-fit:cover}.product-badge{position:absolute;top:10px;left:10px;background:var(--danger);color:var(--surface);border-radius:8px;font-size:12px;font-weight:700;padding:5px 8px}.product-badge.trend{left:auto;right:10px}.product-badge.trend-down{background:var(--success)}.product-badge.trend-up{background:var(--warning)}.product-info{padding:14px}.product-platform{display:inline-block;background:#f1f5f9;border-radius:7px;padding:4px 8px;font-size:12px;font-weight:700;color:var(--text-secondary)}.product-title{margin:8px 0;font-size:15px;line-height:1.45}.product-price-row{display:flex;align-items:baseline;gap:8px}.product-price{color:var(--danger);font-size:24px;font-weight:800}.product-original-price{color:#64748b;text-decoration:line-through}.product-action{margin-top:8px;display:flex;justify-content:space-between;align-items:center}.product-save{color:var(--success);font-size:13px;font-weight:700}.view-btn{color:var(--primary-strong);font-weight:800}.search-hero{background:linear-gradient(135deg,var(--primary-strong) 0,var(--primary) 100%);padding:56px 24px;text-align:center;color:var(--surface)}.search-results-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(260px,1fr));gap:24px}.search-suggestion{max-width:760px;margin:0 auto 20px;background:#fff7ed;border:1px solid #fdba74;border-radius:12px;padding:10px 14px;color:#9a3412;display:flex;align-items:center;justify-content:space-between;gap:12px;flex-wrap:wrap}.data-source-badge{display:inline-block;padding:8px 12px;border-radius:10px;background:#fffbeb;border:1px solid #f59e0b;color:#7c2d12;font-size:14px;font-weight:700}.data-status-panel{margin:0 auto 20px;max-width:860px;text-align:left;border-radius:12px;border:1px solid var(--border);background:var(--surface-muted);padding:12px 14px}.data-status-panel.compact{margin-bottom:16px}.data-status-panel.is-mock{background:#fff7ed;border-color:#fb923c}.data-status-panel.is-real{background:#ecfdf5;border-color:#34d399}.data-status-header{display:flex;align-items:center;justify-content:space-between;gap:12px;flex-wrap:wrap}.data-mode-tag{font-size:12px;font-weight:800;border-radius:999px;padding:4px 10px}.data-mode-tag.mock{background:#7c2d12;color:var(--surface)}.data-mode-tag.real{background:#065f46;color:var(--surface)}.data-source-text{font-size:13px;color:var(--text-secondary)}.data-status-meta{margin-top:6px;font-size:13px;color:#475569}.data-status-disclaimer{margin-top:8px;font-size:13px;color:#9a3412;font-weight:700}.search-empty{text-align:center;padding:60px 20px;background:var(--surface);border:1px solid #e2e8f0;border-radius:16px}.search-empty-actions{display:flex;justify-content:center;gap:10px;flex-wrap:wrap;margin-top:14px}.detail-page{min-height:100vh;background:var(--surface-muted)}.detail-main{max-width:1080px;margin:28px auto;padding:0 24px 36px}.detail-layout{margin-top:16px;display:grid;grid-template-columns:minmax(280px,380px) 1fr;gap:24px}.detail-image-box{background:#eef2ff;border-radius:12px;min-height:320px;display:flex;align-items:center;justify-content:center;font-size:96px}.detail-title{margin:0 0 12px;font-size:30px;color:var(--text);line-height:1.28}.detail-subcopy{margin:0 0 16px;color:var(--text-secondary);font-size:15px}.detail-price-row{display:flex;align-items:baseline;gap:12px;flex-wrap:wrap}.detail-price{font-size:36px;color:var(--danger);font-weight:800}.detail-original{color:#64748b;text-decoration:line-through}.detail-cta-primary{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:10px;margin-top:18px}.detail-cta-secondary{display:grid;grid-template-columns:1fr;gap:10px;margin-top:10px}.detail-flow{margin-top:16px;padding:12px;border-radius:10px;border:1px dashed var(--border);color:var(--text-secondary);font-size:14px}.similar-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:12px;margin-top:14px}.similar-item{text-decoration:none;color:var(--text);border:1px solid #e2e8f0;border-radius:12px;padding:12px;background:var(--surface)}.modal-overlay{position:fixed;inset:0;background:rgba(0,0,0,.6);display:flex;align-items:center;justify-content:center;z-index:1000;animation:fadeIn .2s ease}.modal-content{background:#fff;border-radius:20px;padding:40px;max-width:400px;width:90%;position:relative;animation:slideUp .3s ease}.modal-close{position:absolute;top:16px;right:16px;background:none;border:none;font-size:28px;color:#64748b;cursor:pointer;line-height:1}.modal-close:hover{color:#1e293b}.modal-title{font-size:24px;font-weight:700;text-align:center;margin-bottom:8px}.modal-subtitle{text-align:center;color:var(--text-secondary);margin-bottom:24px}.login-form{display:flex;flex-direction:column;gap:12px}.login-input{padding:14px 16px;border:1px solid var(--border);border-radius:10px;font-size:15px;transition:border-color .2s}.login-input:focus{outline:none;border-color:var(--primary-strong)}.login-submit{padding:14px;background:linear-gradient(135deg,var(--primary-strong) 0,var(--primary) 100%);color:#fff;border:none;border-radius:10px;font-size:16px;font-weight:700;cursor:pointer}.login-divider{display:flex;align-items:center;margin:20px 0;color:#64748b;font-size:14px}.login-divider:after,.login-divider:before{content:"";flex:1;height:1px;background:#e2e8f0}.login-divider span{padding:0 16px}.login-social{width:100%;padding:12px;background:#f1f5f9;border:1px solid var(--border);border-radius:10px;font-size:14px;font-weight:600;cursor:pointer;margin-bottom:10px}.login-footer{text-align:center;margin-top:16px;font-size:14px;color:var(--text-secondary)}.login-footer a{color:var(--primary-strong);text-decoration:none;font-weight:700}@keyframes fadeIn{0%{opacity:0}to{opacity:1}}@keyframes slideUp{0%{transform:translateY(20px);opacity:0}to{transform:translateY(0);opacity:1}}@media (max-width:1024px){.categories-grid,.footer-grid,.products-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.detail-layout{grid-template-columns:1fr}.similar-grid{grid-template-columns:1fr 1fr}}@media (max-width:720px){.search-container{flex-wrap:wrap}.search-icon{display:none}.search-box,.search-btn{width:100%}.categories-grid,.detail-cta-primary,.footer-grid,.products-grid,.similar-grid{grid-template-columns:1fr}.site-header-inner{flex-wrap:wrap}.site-nav{gap:14px}}