:root{--primary-color:#10b981;--primary-glow:rgba(16,185,129,.12);--primary-hover:#059669;--accent-color:#047857;--bg-color:#f8fafc;--card-bg:#fff;--card-border:rgba(16,185,129,.15);--text-color:#0f172a;--text-muted:#64748b;--text-link:#059669;--font-sans:-apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;--max-width:1300px;--transition:all .25s cubic-bezier(.4, 0, .2, 1);--radius-lg:16px;--radius-md:10px;--shadow-sm:0 2px 8px rgba(0,0,0,.04);--shadow-md:0 10px 25px -5px rgba(16,185,129,.1), 0 8px 10px -6px rgba(0,0,0,.03)}*{box-sizing:border-box;margin:0;padding:0}body{background-color:var(--bg-color);color:var(--text-color);font-family:var(--font-sans);flex-direction:column;min-height:100vh;line-height:1.6;display:flex;position:relative;overflow-x:hidden}body:before{content:"";z-index:-1;pointer-events:none;background:radial-gradient(400px at 50% 100px,rgba(16,185,129,.08),transparent 80%),radial-gradient(300px at 20% 300px,rgba(5,150,105,.05),transparent 80%);width:100%;max-width:1300px;height:600px;position:absolute;top:0;left:50%;transform:translate(-50%)}.lang-nav-container{max-width:var(--max-width);-webkit-backdrop-filter:blur(12px);z-index:100;background:rgba(255,255,255,.85);border-bottom:1px solid rgba(0,0,0,.05);width:100%;margin:0 auto;position:relative}.lang-nav{max-width:var(--max-width);flex-wrap:wrap;gap:6px 12px;height:38px;margin:0 auto;padding:8px 16px;transition:height .3s cubic-bezier(.4,0,.2,1);display:flex;overflow:hidden}.lang-nav-container:hover .lang-nav,.lang-nav:hover{height:auto;overflow:visible}.lang-nav a,.footer-lang-nav a{color:var(--text-muted);transition:var(--transition);border-radius:4px;padding:2px 6px;font-size:13px;font-weight:500;text-decoration:none;display:inline-block}.lang-nav a:hover,.footer-lang-nav a:hover{color:var(--primary-color);background:rgba(16,185,129,.08)}.footer-lang-nav a{background:rgba(16,185,129,.06);border:1px solid rgba(16,185,129,.12);border-radius:6px;padding:4px 10px;font-size:12px}.footer-lang-nav a:hover{color:var(--primary-color);background:rgba(16,185,129,.12);border-color:rgba(16,185,129,.25)}.app-container{max-width:var(--max-width);flex-direction:column;flex:1;width:100%;margin:0 auto;padding:20px 16px;display:flex}.app-body{width:100%}.brand-section{justify-content:space-between;align-items:center;gap:24px;width:100%;margin-bottom:20px;display:flex}.brand-info{flex-direction:column;flex:1;align-items:flex-start;min-width:0;display:flex}.toolbox-badge-wrapper{flex-wrap:wrap;align-items:center;gap:8px;margin-bottom:12px;display:flex}.toolbox-badge{color:var(--text-color);transition:var(--transition);background:rgba(16,185,129,.06);border:1px solid rgba(16,185,129,.2);border-radius:20px;align-items:center;gap:4px;padding:4px 12px;font-size:12.5px;font-weight:500;text-decoration:none;display:inline-flex}.toolbox-badge:hover{color:var(--primary-hover);background:rgba(16,185,129,.14);border-color:rgba(16,185,129,.4);transform:translateY(-1px);box-shadow:0 2px 8px rgba(16,185,129,.12)}.toolbox-badge-main{color:var(--accent-color);background:linear-gradient(135deg,rgba(16,185,129,.15),rgba(5,150,105,.15));border-color:rgba(16,185,129,.35);font-weight:600}.toolbox-badge-main:hover{background:linear-gradient(135deg,rgba(16,185,129,.25),rgba(5,150,105,.25));border-color:rgba(16,185,129,.5)}.app-header{text-align:left}.app-title{letter-spacing:-.01em;background:linear-gradient(90deg,#0f172a,#059669,#10b981);-webkit-text-fill-color:transparent;-webkit-background-clip:text;background-clip:text;margin-bottom:6px;font-size:1.75rem;font-weight:700;line-height:1.3}.app-description{color:var(--text-muted);font-size:.95rem;line-height:1.5}.header-ad{background:rgba(0,0,0,.02);border:1px solid rgba(0,0,0,.04);border-radius:12px;flex-shrink:0;justify-content:center;align-items:center;width:728px;height:90px;display:flex;overflow:hidden}.tool-card{background:var(--card-bg);border:1px solid var(--card-border);border-radius:var(--radius-lg);box-shadow:var(--shadow-md);margin-bottom:24px;padding:28px}.form-group{margin-bottom:24px}.form-label{color:var(--text-color);justify-content:space-between;align-items:center;margin-bottom:8px;scroll-margin-top:20px;font-size:.95rem;font-weight:600;display:flex}.form-subtext{color:var(--text-muted);font-size:.825rem;font-weight:400}.input-row{flex-wrap:wrap;align-items:center;gap:12px;display:flex}.input-number{border-radius:var(--radius-md);min-width:220px;height:44px;color:var(--text-color);transition:var(--transition);background:#f8fafc;border:1.5px solid rgba(148,163,184,.3);outline:none;flex:1;padding:0 14px;font-family:inherit;font-size:1rem}.input-number:focus{border-color:var(--primary-color);box-shadow:0 0 0 3px var(--primary-glow);background:#fff}.preset-tags{flex-wrap:wrap;gap:8px;display:flex}.preset-btn{height:38px;color:var(--text-color);cursor:pointer;transition:var(--transition);background:#f1f5f9;border:1px solid #e2e8f0;border-radius:8px;padding:0 14px;font-size:.875rem;font-weight:500}.preset-btn:hover{background:var(--primary-glow);color:var(--primary-color);border-color:rgba(16,185,129,.3)}.preset-btn.active{background:var(--primary-color);color:#fff;border-color:var(--primary-color)}.columns-header{justify-content:space-between;align-items:center;margin-bottom:14px;display:flex}.columns-title{color:var(--text-color);font-size:1rem;font-weight:600}.columns-grid{grid-template-columns:repeat(auto-fill,minmax(260px,1fr));gap:14px;display:grid}.col-card{border-radius:var(--radius-md);min-height:94px;transition:var(--transition);background:#f8fafc;border:1px solid #e2e8f0;flex-direction:column;gap:10px;padding:14px 16px;display:flex}.col-card:hover{box-shadow:var(--shadow-sm);border-color:rgba(16,185,129,.35)}.col-card-header{justify-content:space-between;align-items:center;display:flex}.col-name-badge{color:var(--primary-color);align-items:center;gap:6px;font-size:.875rem;font-weight:600;display:flex}.col-index{background:rgba(16,185,129,.15);border-radius:50%;justify-content:center;align-items:center;width:22px;height:22px;font-size:.75rem;display:inline-flex}.btn-remove-col{color:#ef4444;cursor:pointer;transition:var(--transition);opacity:.7;background:0 0;border:none;border-radius:4px;justify-content:center;align-items:center;padding:4px;display:flex}.btn-remove-col:hover{opacity:1;background:rgba(239,68,68,.08)}.select-field{width:100%;height:40px;color:var(--text-color);cursor:pointer;transition:var(--transition);background:#fff;border:1px solid #cbd5e1;border-radius:8px;outline:none;padding:0 12px;font-family:inherit;font-size:.9rem}.select-field:focus{border-color:var(--primary-color);box-shadow:0 0 0 3px var(--primary-glow)}.template-input-wrapper{margin-top:8px}.input-text-field{width:100%;height:38px;color:var(--text-color);transition:var(--transition);background:#fff;border:1px solid #cbd5e1;border-radius:8px;outline:none;padding:0 12px;font-family:inherit;font-size:.875rem}.input-text-field:focus{border-color:var(--primary-color);box-shadow:0 0 0 3px var(--primary-glow)}.btn-add-col-card{border-radius:var(--radius-md);color:var(--primary-color);cursor:pointer;transition:var(--transition);background:rgba(16,185,129,.05);border:1.5px dashed rgba(16,185,129,.35);flex-direction:row;justify-content:center;align-items:center;gap:8px;min-height:94px;padding:14px 16px;font-size:.9rem;font-weight:600;display:flex}.btn-add-col-card:hover{border-color:var(--primary-color);background:rgba(16,185,129,.12);transform:translateY(-1px)}.action-area{flex-direction:column;align-items:flex-start;gap:14px;margin-top:24px;display:flex}.action-row{flex-wrap:wrap;align-items:center;gap:12px;scroll-margin-top:20px;display:flex}.wasm-loading-tag{color:var(--primary-color);background:rgba(16,185,129,.1);border:1px solid rgba(16,185,129,.2);border-radius:6px;align-items:center;gap:6px;padding:6px 12px;font-size:.85rem;font-weight:500;display:inline-flex}@keyframes spin{0%{transform:rotate(0)}to{transform:rotate(360deg)}}.spin-icon{animation:1s linear infinite spin}.btn-submit{color:#fff;cursor:pointer;height:42px;transition:var(--transition);background:linear-gradient(135deg,#10b981,#059669);border:none;border-radius:8px;justify-content:center;align-items:center;gap:8px;width:auto;padding:0 24px;font-size:.95rem;font-weight:600;display:inline-flex;box-shadow:0 4px 12px rgba(16,185,129,.25)}.btn-submit:hover:not(:disabled){transform:translateY(-1px);box-shadow:0 6px 18px rgba(16,185,129,.35)}.btn-submit:disabled{opacity:.6;cursor:not-allowed;box-shadow:none;transform:none}.progress-wrapper{background:#f1f5f9;border-radius:8px;width:100%;max-width:400px;height:8px;overflow:hidden}.progress-inner{background:linear-gradient(90deg,#10b981,#059669);width:0%;height:100%;transition:width .2s}.status-info{color:var(--text-muted);align-items:center;gap:8px;font-size:.875rem;display:flex}.gen-info-panel{border-radius:var(--radius-md);background:rgba(16,185,129,.05);border:1px solid rgba(16,185,129,.2);flex-direction:column;gap:10px;margin-top:20px;padding:16px 20px;display:flex}.gen-panel-header{color:var(--primary-color);align-items:center;gap:10px;font-size:.95rem;font-weight:600;display:flex}.spin-icon-lg{color:var(--primary-color);flex-shrink:0;animation:1s linear infinite spin}.gen-panel-tips{color:var(--text-muted);margin-left:30px;font-size:.875rem;line-height:1.6}.gen-panel-tips li{list-style-type:disc}.tool-article{background:var(--card-bg);border:1px solid var(--card-border);border-radius:var(--radius-lg);box-shadow:var(--shadow-sm);color:var(--text-color);margin-top:20px;margin-bottom:24px;padding:28px;line-height:1.8}.article-h2{color:var(--text-color);border-bottom:1px solid #e2e8f0;margin-bottom:16px;padding-bottom:10px;font-size:1.35rem;font-weight:700}.article-h3{color:var(--primary-color);margin:22px 0 12px;font-size:1.1rem;font-weight:600}.article-p{color:var(--text-muted);margin-bottom:14px;font-size:.95rem}.article-ul,.article-ol{color:var(--text-muted);margin-bottom:16px;margin-left:20px;font-size:.925rem}.article-ul li,.article-ol li{margin-bottom:8px}.article-ul code{color:var(--primary-color);background:rgba(16,185,129,.08);border-radius:4px;padding:2px 6px;font-family:monospace;font-size:.875rem}.simple-steps{flex-wrap:wrap;gap:16px;margin:16px 0 24px;display:flex}.step-item{color:var(--text-color);background:rgba(16,185,129,.05);border:1px solid rgba(16,185,129,.2);border-radius:30px;align-items:center;gap:10px;padding:8px 18px;font-size:.95rem;font-weight:600;display:flex}.step-num{background:var(--primary-color);color:#fff;border-radius:50%;flex-shrink:0;justify-content:center;align-items:center;width:24px;height:24px;font-size:.85rem;font-weight:700;display:flex}.recommend-grid{grid-template-columns:repeat(auto-fill,minmax(280px,1fr));gap:16px;margin-top:16px;display:grid}.recommend-card{background:var(--card-bg);color:inherit;transition:var(--transition);box-shadow:var(--shadow-sm);border:1px solid rgba(0,0,0,.08);border-radius:12px;flex-direction:column;padding:18px;text-decoration:none;display:flex;position:relative;overflow:hidden}.recommend-card:before{content:"";height:3px;transition:var(--transition);background:0 0;position:absolute;top:0;left:0;right:0}.recommend-card:hover{border-color:rgba(16,185,129,.3);transform:translateY(-3px);box-shadow:0 10px 25px -5px rgba(0,0,0,.08),0 8px 10px -6px rgba(0,0,0,.04)}.recommend-card-cyan:before{background:#06b6d4}.recommend-card-cyan .recommend-icon{color:#0891b2;background:#ecfeff}.recommend-card-red:before{background:#ef4444}.recommend-card-red .recommend-icon{color:#dc2626;background:#fef2f2}.recommend-card-purple:before{background:#a855f7}.recommend-card-purple .recommend-icon{color:#9333ea;background:#faf5ff}.recommend-card-green:before{background:#10b981}.recommend-card-green .recommend-icon{color:#059669;background:#f0fdf4}.recommend-card-blue:before{background:#3b82f6}.recommend-card-blue .recommend-icon{color:#2563eb;background:#eff6ff}.recommend-header{align-items:center;gap:10px;margin-bottom:8px;display:flex}.recommend-icon{border-radius:8px;flex-shrink:0;justify-content:center;align-items:center;width:34px;height:34px;transition:transform .2s;display:flex}.recommend-card:hover .recommend-icon{transform:scale(1.08)}.recommend-title{color:var(--text-color);margin:0;font-size:14px;font-weight:600;line-height:1.4;transition:color .2s}.recommend-card:hover .recommend-title{color:var(--primary-color)}.recommend-desc{color:var(--text-muted);margin:0;font-size:12.5px;line-height:1.5}.app-footer{max-width:var(--max-width);-webkit-backdrop-filter:blur(10px);background:rgba(255,255,255,.5);border-top:1px solid rgba(0,0,0,.05);width:100%;margin:auto auto 0}.footer-content{max-width:var(--max-width);text-align:center;flex-direction:column;align-items:center;gap:16px;margin:0 auto;padding:20px;display:flex}.footer-lang-nav{flex-wrap:wrap;justify-content:center;gap:8px 12px;width:100%;padding:4px 0 12px;display:flex}.footer-links{flex-wrap:wrap;justify-content:center;align-items:center;gap:10px 14px;margin-top:4px;display:flex}.footer-link{color:var(--text-muted);transition:var(--transition);background:rgba(0,0,0,.02);border:1px solid rgba(0,0,0,.08);border-radius:20px;align-items:center;gap:4px;padding:5px 14px;font-size:12.5px;font-weight:500;text-decoration:none;display:inline-flex}.footer-link:hover{color:var(--primary-color);background:rgba(16,185,129,.1);border-color:rgba(16,185,129,.3);transform:translateY(-1px)}.footer-link-main{color:var(--primary-color);background:rgba(16,185,129,.08);border-color:rgba(16,185,129,.25);font-weight:600}.footer-link-main:hover{color:var(--accent-color);background:rgba(16,185,129,.16);border-color:rgba(16,185,129,.45)}@media (max-width:1024px){.brand-section{flex-direction:column;align-items:flex-start;gap:16px}}@media (max-width:768px){.header-ad{display:none}.app-container{padding-left:12px;padding-right:12px}.tool-card{padding:18px 14px}.app-title{font-size:1.4rem}.columns-grid{grid-template-columns:1fr}.btn-submit{width:100%}.progress-wrapper{max-width:100%}}