*,:before,:after{box-sizing:border-box;margin:0;padding:0}:root{--primary-color:#3182ce;--primary-hover:#2c5282;--secondary-color:#718096;--secondary-hover:#4a5568;--danger-color:#e53e3e;--danger-hover:#c53030;--success-color:#38a169;--warning-color:#d69e2e;--bg-primary:#fff;--bg-secondary:#f7fafc;--bg-dark:#1a202c;--bg-card:#fff;--text-primary:#2d3748;--text-secondary:#718096;--text-light:#a0aec0;--text-white:#fff;--border-color:#e2e8f0;--border-radius:8px;--shadow-sm:0 1px 2px 0 #0000000d;--shadow-md:0 4px 6px -1px #0000001a, 0 2px 4px -1px #0000000f;--shadow-lg:0 10px 15px -3px #0000001a, 0 4px 6px -2px #0000000d;--spacing-xs:4px;--spacing-sm:8px;--spacing-md:16px;--spacing-lg:24px;--spacing-xl:32px;--font-family:-apple-system, BlinkMacSystemFont, "Segoe UI", "Roboto", "Oxygen", "Ubuntu", "Cantarell", "Fira Sans", "Droid Sans", "Helvetica Neue", sans-serif;--font-mono:"SF Mono", "Monaco", "Inconsolata", "Roboto Mono", monospace}html{-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;font-size:16px}body{font-family:var(--font-family);background-color:var(--bg-secondary);color:var(--text-primary);min-height:100vh;line-height:1.5}#root{min-height:100vh}.app-footer{background-color:var(--bg-dark);color:var(--text-secondary);text-align:center;padding:var(--spacing-md);font-size:.875rem}.step-indicator{margin-bottom:var(--spacing-xl);padding:var(--spacing-md);background-color:var(--bg-card);border-radius:var(--border-radius);box-shadow:var(--shadow-sm);justify-content:center;align-items:center;display:flex}.step-button{align-items:center;gap:var(--spacing-xs);padding:var(--spacing-sm) var(--spacing-md);cursor:pointer;border-radius:var(--border-radius);color:var(--text-secondary);background:0 0;border:none;flex-direction:column;transition:all .2s;display:flex}.step-button:hover:not(:disabled){background-color:var(--bg-secondary);color:var(--text-primary)}.step-button.active{color:var(--primary-color);background-color:#3182ce1a}.step-button.completed{color:var(--success-color)}.step-button:disabled{cursor:not-allowed;opacity:.5}.step-icon{font-size:1.5rem}.step-label{font-size:.875rem;font-weight:500}.step-connector{background-color:var(--border-color);width:40px;height:2px;margin:0 var(--spacing-sm);transition:background-color .2s}.step-connector.completed{background-color:var(--success-color)}.step-content{background-color:var(--bg-card);border-radius:var(--border-radius);padding:var(--spacing-xl);box-shadow:var(--shadow-md)}.step-content h2{margin-bottom:var(--spacing-lg);color:var(--text-primary);border-bottom:2px solid var(--border-color);padding-bottom:var(--spacing-sm);font-size:1.5rem;font-weight:600}.step-content h3{margin-bottom:var(--spacing-md);color:var(--text-primary);font-size:1.125rem;font-weight:600}.section{margin-bottom:var(--spacing-xl)}.section-header{margin-bottom:var(--spacing-md);justify-content:space-between;align-items:center;display:flex}.form-row{gap:var(--spacing-md);flex-wrap:wrap;display:flex}.form-group{gap:var(--spacing-xs);flex-direction:column;flex:1;min-width:120px;display:flex}.form-group label{color:var(--text-secondary);font-size:.875rem;font-weight:500}.form-group input,.form-group select{padding:var(--spacing-sm) var(--spacing-md);border:1px solid var(--border-color);border-radius:var(--border-radius);font-size:.95rem;transition:border-color .2s,box-shadow .2s}.form-group input:focus,.form-group select:focus{border-color:var(--primary-color);outline:none;box-shadow:0 0 0 3px #3182ce1a}.btn-primary,.btn-secondary,.btn-danger{padding:var(--spacing-sm) var(--spacing-lg);border-radius:var(--border-radius);cursor:pointer;align-items:center;gap:var(--spacing-sm);border:none;font-size:.95rem;font-weight:500;transition:all .2s;display:inline-flex}.btn-primary{background-color:var(--primary-color);color:var(--text-white)}.btn-primary:hover:not(:disabled){background-color:var(--primary-hover);box-shadow:var(--shadow-md);transform:translateY(-1px)}.btn-primary:disabled{opacity:.6;cursor:not-allowed}.btn-secondary{background-color:var(--bg-secondary);color:var(--text-primary);border:1px solid var(--border-color)}.btn-secondary:hover{background-color:var(--border-color)}.btn-danger{background-color:var(--danger-color);color:var(--text-white)}.btn-danger:hover{background-color:var(--danger-hover)}.cargo-list{gap:var(--spacing-md);flex-direction:column;display:flex}.cargo-item{background-color:var(--bg-secondary);border:1px solid var(--border-color);border-radius:var(--border-radius);padding:var(--spacing-md);gap:var(--spacing-sm);flex-direction:column;display:flex}.cargo-item .form-row{margin-top:var(--spacing-sm)}.empty-state{text-align:center;padding:var(--spacing-xl);color:var(--text-secondary);background-color:var(--bg-secondary);border-radius:var(--border-radius);border:2px dashed var(--border-color)}.data-table{border-collapse:collapse;width:100%;font-size:.9rem}.data-table th,.data-table td{padding:var(--spacing-sm) var(--spacing-md);text-align:left;border-bottom:1px solid var(--border-color)}.data-table th{background-color:var(--bg-secondary);color:var(--text-secondary);font-size:.875rem;font-weight:600}.data-table tr:hover{background-color:var(--bg-secondary)}.summary-cards{gap:var(--spacing-md);margin-bottom:var(--spacing-lg);grid-template-columns:repeat(auto-fit,minmax(150px,1fr));display:grid}.summary-card{background:linear-gradient(135deg, var(--primary-color) 0%, var(--primary-hover) 100%);color:var(--text-white);padding:var(--spacing-lg);border-radius:var(--border-radius);text-align:center;box-shadow:var(--shadow-md)}.summary-card h4{opacity:.9;margin-bottom:var(--spacing-xs);font-size:.875rem;font-weight:500}.summary-card .big-number{font-size:1.75rem;font-weight:700}.actions{gap:var(--spacing-md);margin-top:var(--spacing-xl);padding-top:var(--spacing-lg);border-top:1px solid var(--border-color);justify-content:flex-end;display:flex}.loading-overlay{z-index:1000;background-color:#00000080;flex-direction:column;justify-content:center;align-items:center;display:flex;position:fixed;inset:0}.loading-overlay p{color:var(--text-white);margin-top:var(--spacing-md);font-size:1rem}.spinner{border:4px solid #ffffff4d;border-top-color:var(--text-white);border-radius:50%;width:48px;height:48px;animation:1s linear infinite spin}@keyframes spin{to{transform:rotate(360deg)}}.visualize-step .visualize-layout{gap:var(--spacing-lg);margin-bottom:var(--spacing-lg);grid-template-columns:1fr 300px;display:grid}.viewport-panel{gap:var(--spacing-sm);flex-direction:column;display:flex}.viewport-controls{gap:var(--spacing-md);padding:var(--spacing-sm);background-color:var(--bg-secondary);border-radius:var(--border-radius);align-items:center;display:flex}.control-group{align-items:center;gap:var(--spacing-sm);display:flex}.control-group label{color:var(--text-secondary);font-size:.875rem}.control-group select{padding:var(--spacing-xs) var(--spacing-sm);border:1px solid var(--border-color);border-radius:var(--border-radius);font-size:.875rem}.viewport{border-radius:var(--border-radius);height:500px;box-shadow:var(--shadow-lg);border:1px solid var(--border-color);overflow:hidden}.viewport-legend{gap:var(--spacing-lg);padding:var(--spacing-sm);background-color:var(--bg-secondary);border-radius:var(--border-radius);font-size:.875rem;display:flex}.legend-item{align-items:center;gap:var(--spacing-xs);display:flex}.legend-color{border-radius:3px;width:16px;height:16px}.legend-text{color:var(--text-secondary)}.info-panel{background-color:var(--bg-secondary);border-radius:var(--border-radius);padding:var(--spacing-lg);border:1px solid var(--border-color)}.info-panel h3{margin-bottom:var(--spacing-lg);padding-bottom:var(--spacing-sm);border-bottom:2px solid var(--border-color)}.info-section{margin-bottom:var(--spacing-lg)}.info-section h4{color:var(--text-secondary);margin-bottom:var(--spacing-sm);font-size:.9rem;font-weight:600}.info-section p{color:var(--text-primary);margin-bottom:var(--spacing-xs);font-size:.95rem}.info-section ul{color:var(--text-secondary);font-size:.875rem;list-style:none}.info-section li{padding:var(--spacing-xs) 0;padding-left:var(--spacing-md);position:relative}.info-section li:before{content:"•";color:var(--primary-color);position:absolute;left:0}.report-container{background-color:var(--bg-secondary);border-radius:var(--border-radius);padding:var(--spacing-xl);margin-bottom:var(--spacing-lg)}.report-header{text-align:center;margin-bottom:var(--spacing-xl);padding-bottom:var(--spacing-lg);border-bottom:2px solid var(--border-color)}.report-header h3{color:var(--text-primary);margin-bottom:var(--spacing-sm);font-size:1.5rem}.report-date{color:var(--text-secondary);font-size:.9rem}.report-section{margin-bottom:var(--spacing-xl)}.report-section h4{color:var(--text-primary);margin-bottom:var(--spacing-md);padding-bottom:var(--spacing-xs);border-bottom:1px solid var(--border-color);font-size:1.1rem}@media print{.app-header,.app-footer,.step-indicator,.actions{display:none!important}.app-main{padding:0}.step-content{box-shadow:none;padding:0}.report-container{background-color:#fff}}@media (width<=1024px){.visualize-step .visualize-layout{grid-template-columns:1fr}.info-panel{order:-1}.viewport{height:400px}.container3d-container{min-height:500px!important}.container3d-canvas{height:400px!important}}@media (width<=768px){html{font-size:14px}.app-header{padding:var(--spacing-md) var(--spacing-lg)}.app-header h1{font-size:1.25rem;gap:8px!important}.app-header p{font-size:.85rem}.app-main{padding:var(--spacing-md)}.step-content{padding:var(--spacing-lg)}.step-indicator{gap:var(--spacing-sm);padding:var(--spacing-sm);flex-wrap:wrap}.step-connector{display:none}.step-button{padding:var(--spacing-xs) var(--spacing-sm)}.step-label{font-size:.75rem}.step-icon{font-size:1.25rem}.form-row{gap:var(--spacing-sm);flex-direction:column}.summary-cards{gap:var(--spacing-sm);grid-template-columns:repeat(2,1fr)}.summary-card{padding:var(--spacing-md)}.summary-card .big-number{font-size:1.5rem}.actions{flex-direction:column}.btn-primary,.btn-secondary,.btn-danger{width:100%;padding:var(--spacing-sm) var(--spacing-md);justify-content:center}.viewport{height:300px}.container3d-container{min-height:400px!important}.container3d-canvas{height:300px!important}.container3d-controls{align-items:stretch!important;gap:var(--spacing-md)!important;flex-direction:column!important}.container3d-controls-left,.container3d-controls-right{justify-content:center!important}.data-table{font-size:.8rem}.data-table th,.data-table td{padding:var(--spacing-xs)}.data-table th{font-size:.75rem}}@media (width<=480px){.app-header h1{font-size:1.1rem}.step-content h2{font-size:1.25rem}.summary-cards{grid-template-columns:1fr}.viewport-legend{gap:var(--spacing-sm);flex-direction:column}.viewport{height:250px}.container3d-container{min-height:350px!important}.container3d-canvas{height:250px!important}.container3d-controls-left,.container3d-controls-right{flex-wrap:wrap!important;justify-content:center!important}.container3d-detail{padding:var(--spacing-md)!important}.container3d-detail-grid{grid-template-columns:1fr!important}.cargo-detail-box{width:20px!important;height:20px!important}}.app-container{background:#f5f7fa;height:100vh;display:flex}.sidebar{background:linear-gradient(#0071c2 0%,#05a 100%);flex-direction:column;flex-shrink:0;width:200px;display:flex;position:relative;box-shadow:2px 0 12px #0071c233}.sidebar-header{background:#0000001a;border-bottom:1px solid #ffffff26;align-items:center;gap:10px;padding:20px;display:flex}.sidebar-icon{font-size:28px}.sidebar-title{color:#fff;font-size:15px;font-weight:600}.sidebar-nav{flex:1;padding:16px 10px}.nav-label{color:#fff9;text-transform:uppercase;letter-spacing:.5px;margin-bottom:12px;padding:0 8px;font-size:11px}.nav-btn{color:#ffffffd9;cursor:pointer;background:0 0;border:none;border-radius:6px;align-items:center;gap:10px;width:100%;margin-bottom:3px;padding:12px 14px;font-size:14px;transition:all .2s;display:flex}.nav-btn:hover{color:#fff;background:#ffffff26}.nav-btn.active{color:#fff;background:#ffffff40;font-weight:500}.nav-icon{font-size:17px}.nav-text{font-weight:400}.sidebar-footer{border-top:1px solid #ffffff26;padding:14px 10px}.calc-button{color:#fff;cursor:pointer;background:linear-gradient(135deg,#ff6a00,#ff8c00);border:none;border-radius:6px;justify-content:center;align-items:center;gap:7px;width:100%;padding:13px 14px;font-size:14px;font-weight:600;transition:all .2s;display:flex;box-shadow:0 2px 8px #ff6a004d}.calc-button:hover:not(:disabled){background:linear-gradient(135deg,#ff7b1a,#ffa033);transform:translateY(-1px);box-shadow:0 4px 12px #ff6a0066}.calc-button:disabled{cursor:not-allowed;opacity:.7;box-shadow:none;background:#a0aec0}.main-content{background:#f5f7fa;flex-direction:column;flex:1;display:flex;overflow:hidden}.main-header{background:#fff;border-bottom:1px solid #e8ecf0;justify-content:space-between;align-items:center;gap:20px;padding:14px 22px;display:flex;box-shadow:0 1px 3px #0000000d}.header-title-section{flex-direction:column;gap:4px;display:flex}.main-header h1{color:#1a1a1a;margin:0;font-size:19px;font-weight:600}.main-subtitle{color:#666;font-size:13px}.content-area{background:#f5f7fa;flex:1;padding:24px;overflow-y:auto}.news-marquee-container{background:linear-gradient(90deg,#fff8f0,#fff);border-bottom:1px solid #f0f0f0;align-items:center;gap:16px;padding:10px 20px;display:flex;position:relative;overflow:hidden}.marquee-label{z-index:1;background:linear-gradient(135deg,#fff0e6,#fff);border:1px solid #ffd9b3;border-radius:20px;flex-shrink:0;align-items:center;gap:8px;padding:4px 12px;display:flex}.label-icon{font-size:14px}.label-text{color:#ff6a00;font-size:13px;font-weight:600}.update-time{color:#999;margin-left:8px;font-size:11px}.marquee-track{white-space:nowrap;flex:1;overflow:hidden}.marquee-track.paused .marquee-content{animation-play-state:paused}.marquee-content{animation:60s linear infinite marquee;display:inline-flex}@keyframes marquee{0%{transform:translate(0)}to{transform:translate(-50%)}}.marquee-item{color:#333;align-items:center;gap:8px;padding:0 20px;font-size:13px;text-decoration:none;transition:all .2s;display:inline-flex}.marquee-item:hover{color:#0071c2;text-decoration:none}.news-bullet{color:#ff6a00;font-size:10px}.news-title{font-weight:500}.news-source{color:#999;background:#f5f5f5;border-radius:4px;margin-left:8px;padding:2px 6px;font-size:11px}.news-divider{color:#e0e0e0;margin-left:10px;font-size:14px}.marquee-item:hover .news-bullet{color:#0071c2}.marquee-item:hover .news-source{color:#0071c2;background:#e6f0fa}.weather-widget{color:#333;cursor:pointer;white-space:nowrap;background:linear-gradient(135deg,#fff 0%,#f0f7ff 100%);border:1px solid #0071c214;border-radius:20px;flex-shrink:0;align-items:center;gap:6px;padding:6px 12px;transition:all .2s;display:flex;position:relative;box-shadow:0 1px 6px #0071c21f}.weather-widget:hover{background:linear-gradient(135deg,#fff 0%,#e6f0fa 100%);transform:translateY(-1px);box-shadow:0 2px 10px #0071c22e}.weather-icon{font-size:18px}.weather-text{font-size:12px;font-weight:500}.weather-tooltip{border:1px solid #e8ecf0;border-radius:10px;min-width:180px;padding:14px;animation:.15s fadeIn;position:fixed;box-shadow:0 6px 20px #00000026;z-index:99999!important;opacity:1!important;visibility:visible!important;color:#333!important;background:#fff!important;display:block!important}@keyframes fadeIn{0%{opacity:0;transform:translateY(-5px)}to{opacity:1;transform:translateY(0)}}.weather-tooltip:before{content:"";border-bottom:8px solid #fff;border-left:6px solid #0000;border-right:6px solid #0000;position:absolute;top:-8px;right:15px}.tooltip-header{border-bottom:1px solid #f0f0f0;align-items:center;gap:8px;margin-bottom:8px;padding-bottom:8px;display:flex}.tooltip-icon{font-size:24px}.tooltip-city{color:#1a1a1a;font-size:14px;font-weight:600}.tooltip-body{flex-direction:column;gap:6px;display:flex}.tooltip-row{justify-content:space-between;align-items:center;display:flex}.tooltip-label{color:#666;font-size:11px}.tooltip-value{color:#333;font-size:11px;font-weight:500}.counter{color:var(--accent);background:var(--accent-bg);border:2px solid #0000;border-radius:5px;margin-bottom:24px;padding:5px 10px;font-size:16px;transition:border-color .3s}.counter:hover{border-color:var(--accent-border)}.counter:focus-visible{outline:2px solid var(--accent);outline-offset:2px}.hero{position:relative}.hero .base,.hero .framework,.hero .vite{margin:0 auto;inset-inline:0}.hero .base{z-index:0;width:170px;position:relative}.hero .framework,.hero .vite{position:absolute}.hero .framework{z-index:1;height:28px;top:34px;transform:perspective(2000px)rotate(300deg)rotateX(44deg)rotateY(39deg)scale(1.4)}.hero .vite{z-index:0;width:auto;height:26px;top:107px;transform:perspective(2000px)rotate(300deg)rotateX(40deg)rotateY(39deg)scale(.8)}#center{flex-direction:column;flex-grow:1;place-content:center;place-items:center;gap:25px;display:flex}@media (width<=1024px){#center{gap:18px;padding:32px 20px 24px}}#next-steps{border-top:1px solid var(--border);text-align:left;display:flex}#next-steps>div{flex:1 1 0;padding:32px}@media (width<=1024px){#next-steps>div{padding:24px 20px}}#next-steps .icon{width:22px;height:22px;margin-bottom:16px}@media (width<=1024px){#next-steps{text-align:center;flex-direction:column}}#docs{border-right:1px solid var(--border)}@media (width<=1024px){#docs{border-right:none;border-bottom:1px solid var(--border)}}#next-steps ul{gap:8px;margin:32px 0 0;padding:0;list-style:none;display:flex}#next-steps ul .logo{height:18px}#next-steps ul a{color:var(--text-h);background:var(--social-bg);border-radius:6px;align-items:center;gap:8px;padding:6px 12px;font-size:16px;text-decoration:none;transition:box-shadow .3s;display:flex}#next-steps ul a:hover{box-shadow:var(--shadow)}#next-steps ul a .button-icon{width:18px;height:18px}@media (width<=1024px){#next-steps ul{flex-wrap:wrap;justify-content:center;margin-top:20px}#next-steps ul li{flex:calc(50% - 8px)}#next-steps ul a{box-sizing:border-box;justify-content:center;width:100%}}#spacer{border-top:1px solid var(--border);height:88px}@media (width<=1024px){#spacer{height:48px}}@media (width<=768px){.app-container{flex-direction:column;width:100%;height:auto;min-height:100vh;overflow-x:hidden}.sidebar{z-index:100;flex-flow:wrap;justify-content:space-between;align-items:center;width:100%;padding:8px 12px;position:sticky;top:0;box-shadow:0 2px 10px #0071c233}.sidebar-header{background:0 0;border-bottom:none;padding:6px 10px}.sidebar-icon{font-size:24px}.sidebar-title{font-size:14px}.sidebar-nav{flex-wrap:wrap;flex:none;order:3;gap:4px;width:100%;margin-top:8px;padding:0;display:flex}.nav-label{display:none}.nav-btn{border-radius:4px;flex:none;min-width:auto;margin-bottom:0;padding:6px 10px;font-size:11px}.nav-icon{font-size:13px}.nav-text{font-weight:400}.sidebar-footer{border-top:none;order:2;padding:0}.calc-button{border-radius:4px;margin-left:10px;padding:8px 16px;font-size:12px}.main-content{flex:1;width:100%;min-height:calc(100vh - 140px)}.main-header{text-align:center;flex-direction:column;gap:8px;padding:10px 12px}.header-title-section{align-items:center}.main-header h1{margin:0;font-size:16px}.main-subtitle{margin:0;font-size:11px}.weather-widget{border-radius:20px;padding:6px 12px;font-size:11px}.weather-icon{font-size:20px}.weather-text{font-size:11px}.weather-tooltip{display:none}.content-area{padding:12px}.news-marquee-container{padding:6px 10px;overflow:hidden}.marquee-label{padding:2px 8px}.label-icon{font-size:12px}.label-text{font-size:11px}.update-time{font-size:10px;display:none}.marquee-item{padding:0 10px;font-size:11px}.news-bullet{font-size:8px}.news-title{font-weight:400}.news-source{display:none}.news-divider{font-size:12px}}@media (width<=480px){.sidebar{padding:6px 8px}.sidebar-header{padding:4px 8px}.sidebar-icon{font-size:20px}.sidebar-title{font-size:12px}.nav-btn{padding:5px 8px;font-size:10px}.nav-icon{font-size:12px}.calc-button{margin-left:8px;padding:6px 12px;font-size:11px}.main-header{padding:8px 10px}.main-header h1{font-size:14px}.main-subtitle{font-size:10px}.content-area{padding:8px}.news-marquee-container{padding:4px 8px}.marquee-label{padding:2px 6px}.label-text{font-size:10px}.marquee-item{padding:0 8px;font-size:10px}.weather-widget{padding:5px 10px}.ant-statistic{flex-direction:column!important;justify-content:center!important;align-items:center!important;min-height:60px!important;padding:6px!important;display:flex!important}.ant-statistic-title{color:#666!important;text-align:center!important;white-space:nowrap!important;margin-bottom:2px!important;font-size:9px!important}.ant-statistic-content{flex-direction:column!important;align-items:center!important;gap:0!important;display:flex!important}.ant-statistic-content-value{text-align:center!important;font-size:16px!important;font-weight:700!important;line-height:1.1!important}.ant-statistic-content-suffix{color:#666!important;text-align:center!important;margin-top:1px!important;font-size:9px!important}.weather-icon{font-size:18px}.weather-text{font-size:10px}}@media (width<=393px){.sidebar{padding:5px 6px}.sidebar-icon{font-size:18px}.sidebar-title{font-size:11px}.nav-btn{padding:4px 6px;font-size:9px}.nav-icon{font-size:11px}.calc-button{margin-left:6px;padding:5px 10px;font-size:10px}.main-header h1{font-size:13px}.main-subtitle{font-size:9px}.weather-widget{padding:4px 8px}.weather-icon{font-size:16px}.weather-text{font-size:9px}}.ticks{width:100%;position:relative}.ticks:before,.ticks:after{content:"";border:5px solid #0000;position:absolute;top:-4.5px}.ticks:before{border-left-color:var(--border);left:0}.ticks:after{border-right-color:var(--border);right:0}