:root{--primary:#1c1917;--primary-soft:#292524;--accent:#0d9488;--accent-hover:#0f766e;--accent-active:#115e59;--accent-light:#f0fdfa;--accent-soft:#99f6e4;--accent-glow:0 0 0 3px #0d948829;--price:#e11d48;--price-soft:#fff1f2;--bg:#f7f7f5;--surface:#fff;--surface-hover:#f5f5f4;--surface-2:#efeeeb;--text:#1c1917;--text-secondary:#57534e;--text-muted:#a8a29e;--text-inverse:#fafaf9;--border:#e7e5e4;--border-light:#f2f0ee;--border-strong:#d6d3d1;--radius-xs:6px;--radius-sm:8px;--radius:12px;--radius-lg:16px;--radius-xl:24px;--radius-2xl:32px;--radius-full:999px;--gap:16px;--gap-lg:24px;--gap-xl:32px;--gap-2xl:48px;--gap-3xl:72px;--shadow-xs:0 1px 2px #1c19170d;--shadow-sm:0 2px 8px #1c19170d;--shadow:0 6px 18px #1c191712;--shadow-md:0 12px 28px #1c191717;--shadow-lg:0 22px 48px #1c19171f;--shadow-xl:0 30px 70px #1c191729;--shadow-inner:inset 0 1px 0 #fffc;--font:"PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Inter", system-ui, -apple-system, "Segoe UI", sans-serif;--font-mono:ui-monospace, "SF Mono", "Cascadia Code", "JetBrains Mono", monospace;--header-height:68px;--container-max:1240px;--transition-fast:.14s cubic-bezier(.4, 0, .2, 1);--transition-base:.24s cubic-bezier(.16, 1, .3, 1);--transition-slow:.5s cubic-bezier(.16, 1, .3, 1);--transition-spring:.45s cubic-bezier(.34, 1.56, .64, 1);--overlay:#1c191780;--overlay-light:#1c191747}*,:before,:after{box-sizing:border-box;margin:0;padding:0}html{-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;text-rendering:optimizelegibility;scroll-behavior:smooth}body{font-family:var(--font);color:var(--text);background:var(--bg);min-height:100vh;font-size:15px;line-height:1.65;overflow-x:hidden}a{color:inherit;transition:color var(--transition-fast);text-decoration:none}img{max-width:100%;height:auto;display:block}button{font-family:inherit}:focus{outline:none}:focus-visible{outline:2px solid var(--accent);outline-offset:2px;border-radius:4px}::selection{color:var(--text);background:#0d94882e}.container{width:100%;max-width:var(--container-max);padding:0 var(--gap);margin:0 auto}h1,h2,h3,h4,h5,h6{letter-spacing:-.02em;color:var(--text);font-weight:700;line-height:1.25}h1{font-size:clamp(1.9rem,3.2vw,2.7rem)}h2{font-size:clamp(1.5rem,2.4vw,2rem)}h3{font-size:clamp(1.15rem,1.6vw,1.4rem)}.text-muted{color:var(--text-muted)}.text-secondary{color:var(--text-secondary)}.btn{font-family:var(--font);border-radius:var(--radius-full);cursor:pointer;white-space:nowrap;-webkit-user-select:none;user-select:none;transition:transform var(--transition-fast), box-shadow var(--transition-base), background var(--transition-base), border-color var(--transition-base), color var(--transition-fast);border:1px solid #0000;justify-content:center;align-items:center;gap:8px;padding:10px 22px;font-size:.9rem;font-weight:600;line-height:1.4;display:inline-flex}.btn:active{transform:translateY(1px)scale(.985)}.btn:disabled{opacity:.5;cursor:not-allowed}.btn-primary{background:var(--accent);color:#fff;box-shadow:var(--shadow-sm)}.btn-primary:hover{background:var(--accent-hover);box-shadow:var(--shadow);transform:translateY(-1px)}.btn-primary:active{background:var(--accent-active)}.btn-secondary{background:var(--surface);color:var(--text);border-color:var(--border-strong);box-shadow:var(--shadow-xs)}.btn-secondary:hover{border-color:var(--accent);color:var(--accent)}.btn-ghost{color:var(--text-secondary);background:0 0}.btn-ghost:hover{background:var(--surface-hover);color:var(--text)}.btn-danger{background:var(--price);color:#fff}.btn-danger:hover{background:#be123c}.btn-success{color:#fff;background:#16a34a}.btn-success:hover{background:#15803d}.btn-outline{border:1.5px solid var(--border-strong);color:var(--text);background:0 0}.btn-outline:hover{border-color:var(--text)}.btn-sm{padding:7px 16px;font-size:.82rem}.btn-lg{padding:14px 32px;font-size:1rem}.btn-block{width:100%}input,select,textarea{font-family:var(--font);font-size:.92rem}.form-group{margin-bottom:var(--gap)}.form-group label{color:var(--text-secondary);margin-bottom:6px;font-size:.82rem;font-weight:600;display:block}.form-input{background:var(--surface);border:1.5px solid var(--border-strong);border-radius:var(--radius);width:100%;color:var(--text);transition:border-color var(--transition-fast), box-shadow var(--transition-fast);outline:none;padding:11px 14px}.form-input:focus{border-color:var(--accent);box-shadow:var(--accent-glow)}.form-input::placeholder{color:var(--text-muted)}.form-input-error{border-color:var(--price)!important}.form-input-error:focus{box-shadow:0 0 0 3px #e11d4826}.form-error-msg{color:var(--price);margin-top:5px;font-size:.78rem}.card{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius-lg);box-shadow:var(--shadow-xs);transition:box-shadow var(--transition-base), transform var(--transition-base), border-color var(--transition-base);overflow:hidden}.card:hover{box-shadow:var(--shadow)}.product-card{background:var(--surface);border-radius:var(--radius-lg);border:1px solid var(--border-light);box-shadow:var(--shadow-xs);transition:transform var(--transition-base), box-shadow var(--transition-base), border-color var(--transition-base);position:relative;overflow:hidden}.product-card:hover{box-shadow:var(--shadow-md);border-color:var(--border);transform:translateY(-4px)}.pc-image{aspect-ratio:1;background:var(--surface-2);position:relative;overflow:hidden}.pc-image img{object-fit:cover;width:100%;height:100%;transition:transform var(--transition-slow)}.product-card:hover .pc-image img{transform:scale(1.05)}.pc-badge{z-index:2;gap:6px;display:flex;position:absolute;top:12px;left:12px}.pc-badge span{background:var(--accent);color:#fff;border-radius:var(--radius-full);letter-spacing:.02em;box-shadow:var(--shadow-sm);padding:4px 10px;font-size:11px;font-weight:700}.pc-badge.hot span{background:var(--price)}.pc-body{padding:14px 16px}.pc-name{color:var(--text);-webkit-line-clamp:2;-webkit-box-orient:vertical;min-height:2.6em;margin-bottom:10px;font-size:.9rem;font-weight:500;line-height:1.45;display:-webkit-box;overflow:hidden}.pc-price{color:var(--price);letter-spacing:-.02em;align-items:baseline;gap:8px;font-size:1.25rem;font-weight:800;display:flex}.pc-price-old{color:var(--text-muted);font-size:.8rem;font-weight:400;text-decoration:line-through}.pc-meta{color:var(--text-muted);justify-content:space-between;align-items:center;margin-top:10px;font-size:.78rem;display:flex}.product-grid{gap:var(--gap);grid-template-columns:repeat(auto-fill,minmax(240px,1fr));display:grid}.badge{border-radius:var(--radius-full);align-items:center;gap:5px;padding:4px 10px;font-size:.72rem;font-weight:600;line-height:1;display:inline-flex}.badge-primary{background:var(--accent-light);color:var(--accent-hover)}.badge-success{color:#047857;background:#ecfdf5}.badge-warning{color:#b45309;background:#fffbeb}.badge-danger{color:#be123c;background:#fff1f2}.badge-info{color:#4338ca;background:#eef2ff}.tag{background:var(--surface-hover);color:var(--text-secondary);border-radius:var(--radius-full);transition:all var(--transition-fast);cursor:pointer;border:1px solid #0000;align-items:center;padding:6px 14px;font-size:.82rem;display:inline-flex}.tag:hover{background:var(--accent-light);color:var(--accent-hover);border-color:var(--accent-soft)}.section{padding:var(--gap-2xl) 0}.section-header{justify-content:space-between;align-items:center;gap:var(--gap);margin-bottom:var(--gap-lg);display:flex}.section-title{color:var(--text);letter-spacing:-.02em;font-size:1.35rem;font-weight:800}.section-more{color:var(--text-muted);transition:color var(--transition-fast), gap var(--transition-fast);align-items:center;gap:4px;font-size:.82rem;display:inline-flex}.section-more:hover{color:var(--accent);gap:8px}.breadcrumb{color:var(--text-muted);padding:var(--gap) 0;flex-wrap:wrap;align-items:center;gap:8px;font-size:.82rem;display:flex}.breadcrumb a{color:var(--text-secondary)}.breadcrumb a:hover{color:var(--accent)}.breadcrumb .sep{color:var(--text-muted)}.pagination{margin-top:var(--gap-xl);justify-content:center;align-items:center;gap:6px;display:flex}.pagination button{background:var(--surface);border:1px solid var(--border-strong);border-radius:var(--radius);min-width:38px;height:38px;color:var(--text-secondary);cursor:pointer;transition:all var(--transition-fast);justify-content:center;align-items:center;font-size:.9rem;display:inline-flex}.pagination button:hover:not(:disabled){border-color:var(--accent);color:var(--accent)}.pagination button.active{background:var(--accent);border-color:var(--accent);color:#fff;font-weight:700}.pagination button:disabled{opacity:.4;cursor:not-allowed}.skeleton{background:linear-gradient(90deg, var(--surface-2) 25%, #e7e5e4 50%, var(--surface-2) 75%);border-radius:var(--radius-sm);background-size:200% 100%;animation:1.6s ease-in-out infinite skeleton-shimmer}@keyframes skeleton-shimmer{0%{background-position:200% 0}to{background-position:-200% 0}}.toast-container{top:calc(var(--header-height) + 14px);z-index:1000;flex-direction:column;gap:8px;display:flex;position:fixed;right:16px}.toast{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);box-shadow:var(--shadow-lg);color:var(--text);animation:toast-in .3s var(--transition-spring);align-items:center;gap:10px;max-width:360px;padding:12px 18px;font-size:.88rem;display:flex}.toast-success{border-left:3px solid #16a34a}.toast-error{border-left:3px solid var(--price)}.toast-warning{border-left:3px solid #d97706}.toast-info{border-left:3px solid var(--accent)}@keyframes toast-in{0%{opacity:0;transform:translate(100%)}to{opacity:1;transform:translate(0)}}.modal-overlay{background:var(--overlay);-webkit-backdrop-filter:blur(6px);z-index:1000;padding:var(--gap);justify-content:center;align-items:center;animation:.2s fade-in;display:flex;position:fixed;inset:0}.modal{background:var(--surface);border-radius:var(--radius-xl);box-shadow:var(--shadow-xl);width:100%;max-width:520px;max-height:90vh;animation:modal-in .3s var(--transition-spring);overflow-y:auto}.modal-header{padding:var(--gap) var(--gap-lg);border-bottom:1px solid var(--border-light);justify-content:space-between;align-items:center;display:flex}.modal-header h3{font-size:1.05rem}.modal-body{padding:var(--gap-lg)}.modal-footer{padding:var(--gap) var(--gap-lg);border-top:1px solid var(--border-light);justify-content:flex-end;gap:12px;display:flex}@keyframes fade-in{0%{opacity:0}to{opacity:1}}@keyframes modal-in{0%{opacity:0;transform:scale(.96)}to{opacity:1;transform:scale(1)}}.spinner{border:3px solid var(--border);border-top-color:var(--accent);border-radius:50%;width:30px;height:30px;animation:.8s linear infinite spin}@keyframes spin{to{transform:rotate(360deg)}}.empty-state{text-align:center;padding:var(--gap-3xl) var(--gap);color:var(--text-muted)}.empty-state .icon{margin-bottom:var(--gap);opacity:.55;font-size:3.4rem;display:inline-block}.empty-state h3{color:var(--text-secondary);margin-bottom:8px}.empty-state p{max-width:360px;margin:0 auto var(--gap);font-size:.9rem}::-webkit-scrollbar{width:8px;height:8px}::-webkit-scrollbar-track{background:0 0}::-webkit-scrollbar-thumb{background:var(--border-strong);border-radius:4px}::-webkit-scrollbar-thumb:hover{background:var(--text-muted)}@media (prefers-reduced-motion:reduce){*,:before,:after{scroll-behavior:auto!important;transition-duration:1ms!important;animation-duration:1ms!important;animation-iteration-count:1!important}}@media (width<=1024px){.footer-grid{grid-template-columns:repeat(2,1fr)}}@media (width<=768px){.container{padding:0 16px}.product-grid{grid-template-columns:repeat(2,1fr)}.section{padding:var(--gap-xl) 0}}@media (width<=480px){.product-grid{grid-template-columns:repeat(2,1fr);gap:10px}.pc-body{padding:10px 12px}.pc-name{font-size:.82rem}.pc-price{font-size:1.1rem}}