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utilities{.truncate-2{overflow:hidden;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical}.truncate-3{overflow:hidden;display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical}.scrollbar-thin{scrollbar-width:thin}.scrollbar-thin::-webkit-scrollbar{width:6px}.scrollbar-thin::-webkit-scrollbar-track{background:transparent}.scrollbar-thin::-webkit-scrollbar-thumb{background-color:#9ca3af80;border-radius:3px}.scrollbar-thin::-webkit-scrollbar-thumb:hover{background-color:#9ca3afb3}.dark .scrollbar-thin::-webkit-scrollbar-thumb{background-color:#6b728080}.dark .scrollbar-thin::-webkit-scrollbar-thumb:hover{background-color:#6b7280b3}.grid-cols-auto-fill{grid-template-columns:repeat(auto-fill,minmax(200px,1fr))}.grid-cols-auto-fit{grid-template-columns:repeat(auto-fit,minmax(200px,1fr))}.delay-100{animation-delay:.1s}.delay-200{animation-delay:.2s}.delay-300{animation-delay:.3s}.transition-all-200{transition:all .2s ease-in-out}.transition-all-300{transition:all 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.8)}.btn-enhanced{position:relative;display:inline-flex;align-items:center;justify-content:center;gap:var(--spacing-sm);padding:var(--spacing-md) var(--spacing-xl);font-weight:700;font-size:var(--font-size-sm);text-transform:uppercase;letter-spacing:.05em;border:2px solid var(--color-border-medium);border-radius:var(--radius-xl);background:var(--color-primary);color:var(--color-text-primary);box-shadow:var(--shadow-md);transition:all var(--animation-duration-normal) var(--animation-easing-spring);cursor:pointer;-webkit-user-select:none;user-select:none;overflow:hidden}.btn-enhanced:before{content:"";position:absolute;top:0;left:-100%;width:100%;height:100%;background:var(--color-gold-gradient);opacity:0;transition:all var(--animation-duration-normal) var(--animation-easing-spring);z-index:-1}.btn-enhanced:hover{transform:translateY(-2px) scale(1.02);box-shadow:var(--shadow-lg);border-color:var(--color-gold-primary)}.btn-enhanced:hover:before{left:0;opacity:.1}.btn-enhanced:active{transform:translateY(0) scale(.98);box-shadow:var(--shadow-sm)}.btn-enhanced:focus{outline:2px solid var(--color-gold-primary);outline-offset:2px}.btn-golden{background:var(--color-gold-gradient);color:#fff;border-color:var(--color-gold-accent);box-shadow:var(--shadow-md),0 0 20px var(--color-gold-glow)}.btn-golden:hover{box-shadow:var(--shadow-lg),0 0 30px var(--color-gold-glow);transform:translateY(-3px) scale(1.05)}.modal-enhanced{position:fixed;top:0;right:0;bottom:0;left:0;z-index:1000;display:flex;align-items:center;justify-content:center;padding:var(--spacing-2xl);background:#00000080;-webkit-backdrop-filter:blur(20px);backdrop-filter:blur(20px);animation:modal-fade-in var(--animation-duration-normal) var(--animation-easing-smooth)}.modal-content-enhanced{position:relative;width:100%;max-width:75rem;max-height:90vh;padding:var(--spacing-3xl);background:var(--color-primary);border:6px solid var(--color-border-light);border-radius:var(--radius-2xl);box-shadow:var(--shadow-2xl);overflow:auto;animation:modal-slide-up var(--animation-duration-normal) var(--animation-easing-spring)}@keyframes modal-fade-in{0%{opacity:0}to{opacity:1}}@keyframes modal-slide-up{0%{opacity:0;transform:translateY(2rem) scale(.95)}to{opacity:1;transform:translateY(0) scale(1)}}.floating-menu-enhanced{position:absolute;background:var(--color-primary);-webkit-backdrop-filter:blur(20px);backdrop-filter:blur(20px);border:2px solid var(--color-border-light);border-radius:var(--radius-xl);box-shadow:var(--shadow-xl);padding:var(--spacing-md);min-width:15rem;z-index:100;animation:float-in var(--animation-duration-normal) var(--animation-easing-spring)}@keyframes float-in{0%{opacity:0;transform:translateY(-.5rem) scale(.95)}to{opacity:1;transform:translateY(0) scale(1)}}.floating-menu-item{display:flex;align-items:center;gap:var(--spacing-md);width:100%;padding:var(--spacing-md) var(--spacing-lg);font-weight:600;font-size:var(--font-size-sm);color:var(--color-text-primary);background:transparent;border:none;border-radius:var(--radius-md);cursor:pointer;transition:all var(--animation-duration-fast) var(--animation-easing-smooth)}.floating-menu-item:hover{background:var(--color-secondary);color:var(--color-text-accent);transform:translate(.25rem)}.floating-menu-item:active{transform:translate(.125rem) scale(.98)}.header-enhanced{position:fixed;top:0;left:0;right:0;height:7rem;display:flex;align-items:center;justify-content:space-between;padding:0 4rem;background:var(--color-primary);-webkit-backdrop-filter:blur(20px);backdrop-filter:blur(20px);border-bottom:2px solid var(--color-border-light);box-shadow:var(--shadow-sm);z-index:300}.logo-enhanced{display:flex;align-items:center;gap:var(--spacing-lg);font-weight:900;font-size:var(--font-size-4xl);text-transform:uppercase;letter-spacing:-.025em;line-height:1.2}.logo-text-primary{color:var(--color-text-primary);letter-spacing:.2em}.logo-text-accent{position:relative;color:var(--color-gold-primary);letter-spacing:.2em}.logo-text-accent:after{content:"";position:absolute;bottom:-.25rem;left:0;width:100%;height:.25rem;background:var(--color-gold-primary);opacity:.5;border-radius:var(--radius-full)}.sidebar-enhanced{position:fixed;top:7rem;right:0;width:30rem;height:calc(100vh - 7rem);background:var(--color-primary);-webkit-backdrop-filter:blur(20px);backdrop-filter:blur(20px);border-left:2px solid var(--color-border-light);box-shadow:var(--shadow-lg);transition:transform var(--animation-duration-normal) var(--animation-easing-spring);z-index:200}.sidebar-enhanced.hidden{transform:translate(100%)}.canvas-grid-enhanced{background-image:radial-gradient(circle at 1px 1px,var(--color-gold-glow) 1px,transparent 0);background-size:20px 20px;background-position:0 0}.block-enhanced{position:absolute;background:var(--color-primary);border:2px solid var(--color-border-medium);border-radius:var(--radius-lg);box-shadow:var(--shadow-md);transition:all var(--animation-duration-normal) var(--animation-easing-spring);overflow:hidden}.block-enhanced:hover{transform:translateY(-2px);box-shadow:var(--shadow-lg);border-color:var(--color-gold-primary)}.block-enhanced.selected{border-color:var(--color-gold-primary);box-shadow:var(--shadow-lg),0 0 20px var(--color-gold-glow)}.block-enhanced.processing{border-color:var(--color-gold-secondary);box-shadow:var(--shadow-lg),0 0 30px var(--color-gold-glow);animation:processing-pulse 2s ease-in-out infinite}@keyframes processing-pulse{0%,to{box-shadow:var(--shadow-lg),0 0 20px var(--color-gold-glow)}50%{box-shadow:var(--shadow-xl),0 0 40px var(--color-gold-glow)}}@media(max-width:768px){.header-enhanced{padding:0 var(--spacing-lg);height:5rem}.logo-enhanced{font-size:var(--font-size-2xl);gap:var(--spacing-md)}.sidebar-enhanced{width:100vw;top:5rem;height:calc(100vh - 5rem)}.modal-content-enhanced{padding:var(--spacing-xl);margin:var(--spacing-md)}.btn-enhanced{padding:var(--spacing-sm) var(--spacing-md);font-size:var(--font-size-xs)}}@media(max-width:640px){.header-enhanced{padding:0 var(--spacing-md)}.floating-menu-enhanced{min-width:12rem}.modal-enhanced{padding:var(--spacing-md)}}@media(prefers-reduced-motion:reduce){*,*:before,*:after{animation-duration:.01ms!important;animation-iteration-count:1!important;transition-duration:.01ms!important}}@media(prefers-contrast:high){:root{--color-border-light: rgba(0, 0, 0, .3);--color-border-medium: rgba(0, 0, 0, .5);--color-border-strong: rgba(0, 0, 0, .8)}.dark{--color-border-light: rgba(255, 255, 255, .3);--color-border-medium: rgba(255, 255, 255, .5);--color-border-strong: rgba(255, 255, 255, .8)}}.btn-enhanced:focus-visible,.floating-menu-item:focus-visible{outline:2px solid var(--color-gold-primary);outline-offset:2px}@media print{.header-enhanced,.sidebar-enhanced,.floating-menu-enhanced{display:none!important}.modal-enhanced{position:static!important;background:#fff!important;box-shadow:none!important}}:root{--font-family-primary: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Helvetica Neue", Helvetica, Arial, sans-serif;--font-family-mono: "SF Mono", Monaco, "Cascadia Code", "Roboto Mono", Consolas, "Courier New", monospace;--font-weight-normal: 400;--font-weight-medium: 500;--font-weight-semibold: 600;--font-weight-bold: 700;--font-size-xs: .75rem;--font-size-sm: .875rem;--font-size-base: 1rem;--font-size-lg: 1.125rem;--font-size-xl: 1.25rem;--font-size-2xl: 1.5rem;--font-size-3xl: 1.875rem;--line-height-tight: 1.25;--line-height-normal: 1.5;--line-height-relaxed: 1.75;--letter-spacing-tight: -.025em;--letter-spacing-normal: 0;--letter-spacing-wide: .025em;--text-primary: #111827;--text-secondary: #374151;--text-tertiary: #6b7280;--text-high-contrast: #000000;--text-summary: #1f2937}.dark{--text-primary: #f9fafb;--text-secondary: #e5e7eb;--text-tertiary: #9ca3af;--text-high-contrast: #ffffff;--text-summary: #f3f4f6}*{-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;text-rendering:optimizeLegibility;font-feature-settings:"kern" 1;font-variant-ligatures:common-ligatures;font-display:swap}@media(min-resolution:2dppx){*{-webkit-font-smoothing:subpixel-antialiased}}html{font-family:var(--font-family-primary);font-size:var(--font-size-base);line-height:var(--line-height-normal);color:var(--text-primary)}body{font-family:var(--font-family-primary);font-weight:var(--font-weight-normal);line-height:var(--line-height-normal);color:var(--text-primary);letter-spacing:var(--letter-spacing-normal);-webkit-text-size-adjust:100%;-ms-text-size-adjust:100%;text-size-adjust:100%}.text-enhanced{font-family:var(--font-family-primary);-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;text-rendering:optimizeLegibility;font-feature-settings:"kern" 1;font-variant-ligatures:common-ligatures}.text-high-contrast{color:var(--text-high-contrast);font-weight:var(--font-weight-medium);text-shadow:0 0 1px rgba(0,0,0,.1)}.dark .text-high-contrast{text-shadow:0 0 1px rgba(255,255,255,.1)}.text-summary{font-size:var(--font-size-sm);font-weight:var(--font-weight-medium);line-height:var(--line-height-normal);color:var(--text-summary);letter-spacing:var(--letter-spacing-wide);text-rendering:optimizeLegibility;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}.text-crisp{-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;text-rendering:optimizeLegibility;font-feature-settings:"kern" 1;transform:translateZ(0);backface-visibility:hidden}.text-ultra-crisp{-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;text-rendering:geometricPrecision;font-feature-settings:"kern" 1,"liga" 1;font-variant-ligatures:common-ligatures;transform:translateZ(0);will-change:transform;backface-visibility:hidden;image-rendering:-webkit-optimize-contrast;image-rendering:crisp-edges}.text-antialiased{-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}.text-subpixel-antialiased{-webkit-font-smoothing:subpixel-antialiased;-moz-osx-font-smoothing:auto}.text-optimize-legibility{text-rendering:optimizeLegibility}.text-optimize-speed{text-rendering:optimizeSpeed}.text-geometric-precision{text-rendering:geometricPrecision}.text-kerning{font-kerning:normal;font-feature-settings:"kern" 1}.text-ligatures{font-variant-ligatures:common-ligatures;font-feature-settings:"liga" 1}.text-no-ligatures{font-variant-ligatures:none;font-feature-settings:"liga" 0}.text-chinese-optimized{font-family:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Source Han Sans SC","Noto Sans CJK 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