*{box-sizing:border-box;margin:0;padding:0}body{font-family:var(--font-main);background:var(--dark);color:var(--text-main);line-height:1.6}.navbar{-webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px);background:var(--nav-bg);z-index:1000;border-bottom:1px solid #ffffff1a;width:100%;position:fixed;top:0}.nav-container{justify-content:space-between;align-items:center;max-width:1280px;margin:0 auto;padding:1.25rem 2rem;display:flex}@media (width<=768px){.nav-container{padding:1rem}}.logo{align-items:center;gap:12px;font-size:2.2rem;font-weight:800;text-decoration:none;display:flex}@media (width<=768px){.logo{font-size:1.5rem}}.logo h1{font-size:inherit;letter-spacing:-.5px;background:linear-gradient(120deg,#2b2b2b 40%,#a0a0a0 50%,#2b2b2b 60%) 0 0/300% 100%;-webkit-text-fill-color:transparent;-webkit-background-clip:text;margin:0;animation:5s linear infinite shine}@keyframes shine{0%{background-position:100% 0}50%{background-position:-50% 0}to{background-position:-50% 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(width<=768px){.tool-card{padding:1.5rem}}.tool-card:hover{border-color:var(--primary);transform:translateY(-8px);box-shadow:0 15px 35px #0055ff1a}.tool-card .tool-icon{margin-bottom:1.5rem;font-size:3.5rem}.tool-card h3{margin-bottom:.8rem;font-size:1.6rem}.tool-card p{color:var(--text-muted)}.footer{text-align:center;color:#666;border-top:1px solid #ffffff14;padding:3rem}.wave-bg .converter-container{flex-direction:column;justify-content:flex-start;gap:3rem;padding-top:120px}.tool-seo-section{text-align:left;flex-direction:column;gap:2.5rem;width:100%;max-width:800px;margin:0 auto 3rem;padding:0 20px;display:flex}.tool-seo-section .seo-card{background:var(--light);border:1px solid #0000000d;border-radius:20px;padding:2.5rem;box-shadow:0 10px 30px #0000000a}@media (width<=768px){.tool-seo-section .seo-card{padding:1.75rem}}.tool-seo-section h2{color:var(--text-main);align-items:center;gap:10px;margin-bottom:1.5rem;font-size:1.8rem;font-weight:700;display:flex}.tool-seo-section h2:after{content:"";background:#00000014;flex:1;height:1px;margin-left:10px}@media (width<=768px){.tool-seo-section h2{font-size:1.4rem}}.tool-seo-section h3{color:var(--text-main);margin-top:1.5rem;margin-bottom:.75rem;font-size:1.3rem;font-weight:600}.tool-seo-section p{color:var(--text-muted);margin-bottom:1.25rem;font-size:1.05rem;line-height:1.7}.tool-seo-section p:last-child{margin-bottom:0}.tool-seo-section .features-list{grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:1.5rem;margin-top:1.5rem;margin-bottom:1.5rem;display:grid}.tool-seo-section .features-list .feature-item{background:var(--dark);border:1px solid #00000005;border-radius:12px;padding:1.5rem}.tool-seo-section .features-list .feature-item h4{color:var(--text-main);align-items:center;gap:8px;margin-bottom:.5rem;font-size:1.1rem;font-weight:600;display:flex}.tool-seo-section .features-list .feature-item p{color:var(--text-muted);margin-bottom:0;font-size:.95rem;line-height:1.5}.tool-seo-section .steps-list{flex-direction:column;gap:1.25rem;margin-top:1.5rem;display:flex}.tool-seo-section .steps-list .step-item{align-items:flex-start;gap:1rem;display:flex}.tool-seo-section .steps-list .step-item .step-number{width:32px;height:32px;color:var(--primary);background:#0088cc1a;border-radius:50%;flex-shrink:0;justify-content:center;align-items:center;font-size:.95rem;font-weight:700;display:flex}.tool-seo-section .steps-list .step-item .step-text h4{color:var(--text-main);margin-bottom:.25rem;font-size:1.05rem;font-weight:600}.tool-seo-section .steps-list .step-item .step-text p{color:var(--text-muted);margin-bottom:0;font-size:.95rem}.tool-seo-section .faq-list{flex-direction:column;gap:1.5rem;display:flex}.tool-seo-section .faq-list .faq-item{border-bottom:1px solid #0000000d;padding-bottom:1.25rem}.tool-seo-section .faq-list .faq-item:last-child{border-bottom:none;padding-bottom:0}.tool-seo-section .faq-list .faq-item h4{color:var(--text-main);margin-bottom:.5rem;font-size:1.1rem;font-weight:600}.tool-seo-section .faq-list .faq-item p{color:var(--text-muted);margin-bottom:0;font-size:.95rem}.control-group{margin-bottom:15px}.control-group label{color:var(--text-main);justify-content:space-between;margin-bottom:8px;font-size:.95rem;font-weight:500;display:flex}.control-group input[type=range]{width:100%;accent-color:var(--primary)}:root{--primary:#08c;--secondary:#f36;--dark:#f8f9fa;--dark-glass:#ffffffd9;--gray:#e9ecef;--light:#fff;--nav-bg:#fffffff2;--font-main:"Inter", system-ui, sans-serif;--text-main:#2b2b2b;--text-muted:#6c757d}.converter-container{background:var(--dark);justify-content:center;align-items:center;min-height:100vh;padding:100px 20px 60px;display:flex}.converter-card{background:var(--light);text-align:center;border:1px solid #0000000d;border-radius:24px;width:100%;max-width:520px;padding:50px 40px;box-shadow:0 15px 40px #00000014}.converter-title{color:var(--text-main);margin-bottom:12px;font-size:2.4rem}.converter-subtitle{color:var(--text-muted);margin-bottom:40px;font-size:1.1rem}.upload-area{background:#fdfdfd;border:2px dashed #08c6;border-radius:16px;margin-bottom:30px;padding:50px 20px;transition:all .3s}.upload-area:hover{border-color:var(--primary);background:#0088cc08}.file-input{display:none}.upload-label{cursor:pointer;color:var(--text-muted);flex-direction:column;align-items:center;gap:12px;font-size:1.1rem;display:flex}.upload-icon{font-size:3.5rem}.controls-area{text-align:left;margin-top:20px;margin-bottom:20px}.ai-loading-box{text-align:center;background:#00000005;border-radius:12px;margin-top:20px;padding:15px}.progress-bar-bg{background:#0000001a;border-radius:10px;width:100%;height:8px;margin:10px 0;overflow:hidden}.progress-bar-fill{border-radius:10px;height:100%;transition:width .3s}.control-hint{color:var(--text-muted);margin-top:6px;font-size:.85rem}.convert-btn{color:#fff;cursor:pointer;background:linear-gradient(90deg,#08c,#00d4ff);border:none;border-radius:9999px;width:100%;margin-top:10px;padding:18px;font-size:1.1rem;font-weight:600;transition:all .3s;box-shadow:0 4px 15px #0088cc4d}.convert-btn:hover:not(:disabled){transform:translateY(-2px);box-shadow:0 6px 20px #08c6}.convert-btn:disabled{opacity:.7;cursor:not-allowed}.reset-btn{width:100%;color:var(--text-main);cursor:pointer;background:0 0;border:1px solid #0000001a;border-radius:9999px;margin-top:15px;padding:14px;font-weight:500;transition:all .3s}.reset-btn:hover{background:#00000008}.error-message{color:#d32f2f;text-align:center;background:#d32f2f1a;border-radius:8px;margin:15px 0;padding:12px}.success-area{text-align:left;background:#4ade800d;border:1px solid #4ade8033;border-radius:16px;margin-top:20px;padding:20px}.success-text{color:#166534;text-align:center;margin-bottom:20px;font-size:1.2rem;font-weight:600}.analysis-dashboard{max-width:1200px;margin:100px auto 40px;padding:0 20px}.analysis-dashboard .dashboard-header{text-align:center;margin-bottom:50px}.analysis-dashboard .dashboard-header h1{background:linear-gradient(90deg,#08c,#00d4ff);-webkit-text-fill-color:transparent;-webkit-background-clip:text;margin-bottom:12px;font-size:3rem;font-weight:800}.analysis-dashboard .dashboard-header p{color:var(--text-muted);max-width:600px;margin:0 auto;font-size:1.2rem}.analysis-dashboard .dashboard-search{max-width:500px;margin:0 auto 40px;position:relative}.analysis-dashboard .dashboard-search input{background:var(--light);width:100%;color:var(--text-main);border:1px solid #00000014;border-radius:9999px;outline:none;padding:14px 20px;font-size:1rem;transition:all .3s;box-shadow:0 4px 15px #00000008}.analysis-dashboard .dashboard-search input:focus{border-color:var(--primary);box-shadow:0 4px 20px #0088cc26}.analysis-dashboard .category-section{margin-bottom:40px}.analysis-dashboard .category-section .category-title{color:var(--text-main);align-items:center;gap:8px;margin-bottom:20px;font-size:1.5rem;font-weight:700;display:flex}.analysis-dashboard .category-section .category-title:after{content:"";background:#00000014;flex:1;height:1px;margin-left:10px}.analysis-dashboard .category-section .tools-grid{grid-template-columns:repeat(auto-fill,minmax(260px,1fr));gap:20px;display:grid}.analysis-tool-card{background:var(--light);color:inherit;border:1px solid #0000000a;border-radius:18px;flex-direction:column;height:100%;padding:24px;text-decoration:none;transition:all .3s;display:flex;box-shadow:0 4px 15px #00000005}.analysis-tool-card:hover{border-color:var(--primary);transform:translateY(-5px);box-shadow:0 10px 25px #0088cc1a}.analysis-tool-card:hover .card-icon{transform:scale(1.1)}.analysis-tool-card .card-icon{margin-bottom:16px;font-size:2.2rem;transition:transform .3s;display:inline-block}.analysis-tool-card h3{color:var(--text-main);margin-bottom:8px;font-size:1.25rem;font-weight:700}.analysis-tool-card p{color:var(--text-muted);flex-grow:1;margin-bottom:16px;font-size:.9rem;line-height:1.5}.analysis-tool-card .card-footer{color:var(--primary);justify-content:flex-end;align-items:center;gap:4px;font-size:.85rem;font-weight:600;display:flex}.analysis-layout-container{flex-direction:column;gap:24px;max-width:1000px;margin:100px auto 40px;padding:0 20px;display:flex}.analysis-layout-container .back-to-dashboard{color:var(--text-muted);align-self:flex-start;align-items:center;gap:6px;font-size:.95rem;font-weight:500;text-decoration:none;transition:color .3s;display:inline-flex}.analysis-layout-container .back-to-dashboard:hover{color:var(--primary)}.analysis-layout-container .analysis-card{background:var(--light);border:1px solid #0000000d;border-radius:24px;padding:32px;position:relative;box-shadow:0 10px 30px #0000000a}@media (width<=768px){.analysis-layout-container .analysis-card{padding:20px}}.analysis-layout-container .tool-title-row{justify-content:space-between;align-items:flex-start;margin-bottom:24px;display:flex}.analysis-layout-container .tool-title-row .title-group h1{color:var(--text-main);font-size:2rem;font-weight:800}.analysis-layout-container .tool-title-row .title-group p{color:var(--text-muted);margin-top:4px;font-size:.95rem}.analysis-upload-zone{text-align:center;cursor:pointer;background:#0088cc03;border:2px dashed #08c3;border-radius:20px;flex-direction:column;justify-content:center;align-items:center;gap:16px;padding:60px 40px;transition:all .3s;display:flex}.analysis-upload-zone:hover,.analysis-upload-zone.dragging{border-color:var(--primary);background:#0088cc0a}.analysis-upload-zone input[type=file]{display:none}.analysis-upload-zone .upload-icon{font-size:3.5rem;animation:4s ease-in-out infinite float}.analysis-upload-zone .upload-primary-text{color:var(--text-main);font-size:1.2rem;font-weight:600}.analysis-upload-zone .upload-sub-text{color:var(--text-muted);font-size:.9rem}.analysis-decoding-loader{flex-direction:column;justify-content:center;align-items:center;gap:20px;padding:60px 0;display:flex}.analysis-decoding-loader .spinner{border:4px solid #0088cc1a;border-top-color:var(--primary);border-radius:50%;width:50px;height:50px;animation:1s linear infinite spin}.analysis-decoding-loader p{color:var(--text-main);font-weight:600}.analysis-decoding-loader .progress-bar-container{background:#0000000d;border-radius:3px;width:250px;height:6px;overflow:hidden}.analysis-decoding-loader .progress-bar-container .progress-bar-fill{background:linear-gradient(90deg, var(--primary), #00d4ff);width:0%;height:100%;transition:width .1s}.analysis-playback-bar{background:var(--dark);border:1px solid #00000008;border-radius:16px;align-items:center;gap:16px;margin-bottom:24px;padding:16px 24px;display:flex}@media (width<=576px){.analysis-playback-bar{flex-direction:column;align-items:stretch;gap:12px}}.analysis-playback-bar .play-btn{background:var(--primary);color:#fff;cursor:pointer;border:none;border-radius:50%;flex-shrink:0;justify-content:center;align-items:center;width:44px;height:44px;font-size:1.2rem;transition:all .2s;display:flex;box-shadow:0 4px 10px #0088cc4d}.analysis-playback-bar .play-btn:hover{background:#0099e6;transform:scale(1.05)}.analysis-playback-bar .play-btn:active{transform:scale(.95)}.analysis-playback-bar .time-slider-container{color:var(--text-muted);flex-grow:1;align-items:center;gap:10px;font-family:monospace;font-size:.85rem;display:flex}.analysis-playback-bar .time-slider-container input[type=range]{-webkit-appearance:none;background:#0000000d;border-radius:3px;outline:none;flex-grow:1;height:6px}.analysis-playback-bar .time-slider-container input[type=range]::-webkit-slider-thumb{-webkit-appearance:none;background:var(--primary);cursor:pointer;border-radius:50%;width:14px;height:14px;transition:transform .1s}.analysis-playback-bar .time-slider-container input[type=range]::-webkit-slider-thumb:hover{transform:scale(1.2)}.analysis-playback-bar .volume-container{color:var(--text-muted);align-items:center;gap:8px;font-size:1rem;display:flex}.analysis-playback-bar .volume-container input[type=range]{-webkit-appearance:none;background:#0000000d;border-radius:2px;outline:none;width:70px;height:4px}.analysis-playback-bar .volume-container input[type=range]::-webkit-slider-thumb{-webkit-appearance:none;background:var(--text-muted);cursor:pointer;border-radius:50%;width:10px;height:10px}.analysis-playback-bar .reset-btn{color:var(--text-muted);cursor:pointer;background:0 0;border:1px solid #0000001a;border-radius:30px;padding:8px 16px;font-size:.85rem;font-weight:500;transition:all .3s}.analysis-playback-bar .reset-btn:hover{border-color:var(--secondary);color:var(--secondary);background:#ff336605}.analysis-visualizer-card{background:#111;border:1px solid #222;border-radius:16px;flex-direction:column;gap:12px;padding:16px;display:flex;box-shadow:inset 0 2px 8px #00000080}.analysis-visualizer-card canvas{background:#0d0d0d;border-radius:8px;width:100%;height:250px;display:block}.analysis-visualizer-card .visualizer-controls{color:#888;flex-wrap:wrap;justify-content:space-between;align-items:center;gap:10px;font-size:.8rem;display:flex}.analysis-visualizer-card .visualizer-controls .control-item{align-items:center;gap:6px;display:flex}.analysis-visualizer-card .visualizer-controls .control-item select,.analysis-visualizer-card .visualizer-controls .control-item button{color:#ccc;cursor:pointer;background:#222;border:1px solid #333;border-radius:4px;outline:none;padding:4px 8px;font-size:.8rem}.analysis-visualizer-card .visualizer-controls .control-item select:hover,.analysis-visualizer-card .visualizer-controls .control-item button:hover{color:#fff;background:#2b2b2b}.analysis-grid-two-col{grid-template-columns:2fr 1fr;gap:24px;display:grid}@media (width<=768px){.analysis-grid-two-col{grid-template-columns:1fr}}.analysis-results-box{background:var(--dark);border:1px solid #00000008;border-radius:16px;padding:24px}.analysis-results-box h3{color:var(--text-main);align-items:center;gap:6px;margin-bottom:16px;font-size:1.15rem;font-weight:700;display:flex}.analysis-results-box .metric-row{border-bottom:1px solid #0000000d;justify-content:space-between;align-items:center;padding:12px 0;display:flex}.analysis-results-box .metric-row:last-child{border-bottom:none}.analysis-results-box .metric-row .metric-name{color:var(--text-muted);font-size:.95rem;font-weight:500}.analysis-results-box .metric-row .metric-value{color:var(--text-main);font-family:monospace;font-size:1rem;font-weight:600}.analysis-results-box .metric-row .metric-value.highlight-blue{color:var(--primary)}.analysis-results-box .metric-row .metric-value.highlight-red{color:var(--secondary)}.analysis-results-box .metric-row .metric-value.highlight-green{color:#4ade80}@keyframes float{0%{transform:translateY(0)}50%{transform:translateY(-8px)}to{transform:translateY(0)}}@keyframes spin{0%{transform:rotate(0)}to{transform:rotate(360deg)}}