@import"https://fonts.googleapis.com/css2?family=Noto+Sans+SC:wght@300;400;500;700;900&family=Noto+Serif+SC:wght@400;500;600;700;900&display=swap";:root{--font-cn-sans: -apple-system, BlinkMacSystemFont, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei UI", "Microsoft YaHei", "Segoe UI", "Noto Sans SC", "Roboto", "WenQuanYi Micro Hei", sans-serif;--font-cn-serif: "Songti SC", "Hiragino Mincho ProN", "SimSun", "NSimSun", "Noto Serif SC", "WenQuanYi Zen Hei", "STSong", serif;--font-cn-mono: "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Noto Sans SC", sans-serif, monospace;--font-en-sans: -apple-system, BlinkMacSystemFont, "SF Pro Text", "SF Pro Display", "Segoe UI Variable", "Segoe UI", "Roboto", "Ubuntu", "Cantarell", system-ui, sans-serif;--font-en-serif: "New York", "SF Pro Display", Georgia, "Times New Roman", serif;--font-en-mono: "SF Mono", "Menlo", "Monaco", "Cascadia Code", "Cascadia Mono", "Consolas", "Lucida Console", "Roboto Mono", "Fira Code", "JetBrains Mono", "Source Code Pro", "DejaVu Sans Mono", monospace;--font-body: var(--font-cn-sans);--font-heading: var(--font-cn-sans);--font-code: var(--font-en-mono), var(--font-cn-mono);--font-quote: var(--font-cn-serif);--font-tabular: "SF Mono", "Menlo", "Cascadia Code", "Consolas", "Roboto Mono", monospace;--font-button: -apple-system, BlinkMacSystemFont, "SF Pro Display", "PingFang SC", "Microsoft YaHei UI", system-ui, sans-serif;--font-tag: -apple-system, BlinkMacSystemFont, "SF Pro Text", "PingFang SC", "Segoe UI", "Roboto", sans-serif;--font-small: -apple-system, BlinkMacSystemFont, "SF Pro Text", "PingFang SC", "Microsoft YaHei", sans-serif}@media screen and (-webkit-min-device-pixel-ratio:1){:root{--font-smoothing: antialiased;--moz-osx-font-smoothing: grayscale}}@media screen and (min-resolution:96dpi){:root{--font-smoothing: antialiased}}*{-webkit-font-smoothing:var(--font-smoothing, antialiased);-moz-osx-font-smoothing:var(--moz-osx-font-smoothing, grayscale);font-variant-ligatures:common-ligatures;font-feature-settings:"kern" 1,"liga" 1}code,pre,.code,.font-code{font-family:var(--font-code);font-feature-settings:"kern" 1,"liga" 1,"calt" 1,"zero" 1;font-variant-ligatures:common-ligatures contextual}table,.font-tabular{font-family:var(--font-tabular);font-variant-numeric:tabular-nums}:root{--font-weight-thin: 100;--font-weight-extralight: 200;--font-weight-light: 300;--font-weight-regular: 400;--font-weight-medium: 500;--font-weight-semibold: 600;--font-weight-bold: 700;--font-weight-extrabold: 800;--font-weight-black: 900}:root{--line-height-tight: 1.1;--line-height-normal: 1.6;--line-height-relaxed: 1.8;--letter-spacing-tight: -.02em;--letter-spacing-normal: 0;--letter-spacing-wide: .05em;--letter-spacing-wider: .1em;--letter-spacing-widest: .2em}.font-sans{font-family:var(--font-body)}.font-serif{font-family:var(--font-quote)}.font-mono{font-family:var(--font-code)}.font-heading{font-family:var(--font-heading)}.font-thin{font-weight:var(--font-weight-thin)}.font-light{font-weight:var(--font-weight-light)}.font-regular{font-weight:var(--font-weight-regular)}.font-medium{font-weight:var(--font-weight-medium)}.font-semibold{font-weight:var(--font-weight-semibold)}.font-bold{font-weight:var(--font-weight-bold)}.font-extrabold{font-weight:var(--font-weight-extrabold)}.font-black{font-weight:var(--font-weight-black)}:root,[data-theme=light]{--color-primary: #0080FF;--color-primary-dark: #0060CC;--color-secondary: #00CCCC;--color-success: #22C55E;--color-accent: #6C5CE7;--gradient-primary: linear-gradient(135deg, #0080FF 0%, #00AAAA 50%, #22C55E 100%);--gradient-glow: radial-gradient(circle at center, rgba(0, 128, 255, .15) 0%, transparent 70%);--gradient-tech: linear-gradient(135deg, rgba(0, 128, 255, .1) 0%, rgba(0, 255, 255, .05) 100%);--color-background: #F5F5F7;--color-surface: #FFFFFF;--color-surface-glass: rgba(255, 255, 255, .85);--color-surface-hover: #F8F9FA;--color-text: #0F172A;--color-text-secondary: #475569;--color-text-muted: #94A3B8;--color-border: rgba(0, 0, 0, .1);--color-border-light: rgba(0, 0, 0, .05);--radius-sm: .375rem;--radius-md: .5rem;--radius-lg: .75rem;--radius-xl: 1rem;--radius-full: 9999px;--duration-fast: .15s;--duration-normal: .3s;--duration-slow: .5s;--ease-out: cubic-bezier(.4, 0, .2, 1);--shadow-sm: 0 1px 2px rgba(0, 0, 0, .05);--shadow-md: 0 4px 6px rgba(0, 0, 0, .07);--shadow-lg: 0 10px 40px rgba(0, 0, 0, .1);--shadow-xl: 0 20px 60px rgba(0, 0, 0, .15);--shadow-glow: 0 0 20px rgba(0, 128, 255, .3);--shadow-glow-cyan: 0 0 20px rgba(0, 255, 255, .3);--footer-bg: var(--color-surface-glass);--footer-border: var(--color-border);--footer-link-color: var(--color-text-secondary);--footer-link-hover: var(--color-primary);--footer-section-gap: 2rem;--footer-grid-template: 1fr;--font-display: var(--font-heading);--font-body: var(--font-body);--font-code: var(--font-code)}[data-theme=dark]{--color-primary: #00D4FF;--color-primary-dark: #00A3FF;--color-secondary: #00FFFF;--color-success: #4ADE80;--color-accent: #A78BFA;--gradient-primary: linear-gradient(135deg, #00D4FF 0%, #00FFFF 50%, #4ADE80 100%);--gradient-glow: radial-gradient(circle at center, rgba(0, 212, 255, .2) 0%, transparent 70%);--gradient-tech: linear-gradient(135deg, rgba(0, 212, 255, .15) 0%, rgba(0, 255, 255, .08) 100%);--color-background: #030712;--color-surface: #0A0F1E;--color-surface-glass: rgba(15, 23, 42, .85);--color-surface-hover: #151E32;--color-text: #F8FAFC;--color-text-secondary: #E2E8F0;--color-text-muted: #94A3B8;--color-border: rgba(255, 255, 255, .12);--color-border-light: rgba(255, 255, 255, .06);--shadow-sm: 0 1px 2px rgba(0, 0, 0, .6);--shadow-md: 0 4px 6px rgba(0, 0, 0, .7);--shadow-lg: 0 10px 40px rgba(0, 0, 0, .8);--shadow-xl: 0 20px 60px rgba(0, 0, 0, .9);--shadow-glow: 0 0 25px rgba(0, 212, 255, .4);--shadow-glow-cyan: 0 0 25px rgba(0, 255, 255, .35);--footer-bg: var(--color-surface-glass);--footer-border: var(--color-border);--footer-link-color: var(--color-text-secondary);--footer-link-hover: var(--color-primary);--footer-section-gap: 2rem;--footer-grid-template: 1fr}[data-theme=lunar-new-year]{--color-primary: #E53935;--color-primary-dark: #FFA000;--color-secondary: #FFD54F;--color-success: #4ADE80;--color-accent: #FFCA28;--gradient-primary: linear-gradient(135deg, #E53935 0%, #FFA000 50%, #FFD54F 100%);--gradient-glow: radial-gradient(circle at center, rgba(229, 57, 53, .35) 0%, rgba(255, 160, 0, .25) 50%, transparent 70%);--gradient-tech: linear-gradient(135deg, rgba(229, 57, 53, .2) 0%, rgba(255, 160, 0, .12) 100%);--color-background: #3d1212;--color-surface: #521818;--color-surface-glass: rgba(82, 24, 24, .9);--color-surface-hover: #631f1f;--color-text: #FFF9C4;--color-text-secondary: #FFE082;--color-text-muted: #FFD54F;--color-border: rgba(255, 193, 7, .4);--color-border-light: rgba(255, 193, 7, .2);--shadow-sm: 0 1px 3px rgba(0, 0, 0, .3);--shadow-md: 0 4px 8px rgba(0, 0, 0, .4);--shadow-lg: 0 10px 40px rgba(0, 0, 0, .4);--shadow-xl: 0 20px 60px rgba(0, 0, 0, .5);--shadow-glow: 0 0 35px rgba(229, 57, 53, .5), 0 0 70px rgba(255, 193, 7, .3);--shadow-glow-cyan: 0 0 35px rgba(255, 193, 7, .4);--footer-bg: var(--color-surface-glass);--footer-border: var(--color-border);--footer-link-color: var(--color-text-secondary);--footer-link-hover: var(--color-primary);--footer-section-gap: 2rem;--footer-grid-template: 1fr}@keyframes fadeInUp{0%{opacity:0;transform:translateY(20px)}to{opacity:1;transform:translateY(0)}}@keyframes fadeIn{0%{opacity:0;transform:translateY(-10px)}to{opacity:1;transform:translateY(0)}}@keyframes pulse-badge{0%,to{transform:scale(1);box-shadow:0 2px 8px #ff6b6b66}50%{transform:scale(1.05);box-shadow:0 2px 12px #ff6b6b99}}.tech-grid-bg{background-image:linear-gradient(var(--color-border-light) 1px,transparent 1px),linear-gradient(90deg,var(--color-border-light) 1px,transparent 1px);background-size:40px 40px}.bgGlow{background:var(--gradient-glow)}.tech-border-glow{position:relative;border:1px solid var(--color-primary);box-shadow:var(--shadow-glow),inset 0 0 20px #0080ff1a}[data-theme=dark] .tech-border-glow{box-shadow:var(--shadow-glow),inset 0 0 30px #0080ff26}[data-theme=dark] .tech-scanlines:before{content:"";position:absolute;inset:0;background:repeating-linear-gradient(0deg,transparent,transparent 2px,rgba(0,255,255,.03) 2px,rgba(0,255,255,.03) 4px);pointer-events:none;z-index:1}.hero{position:relative;text-align:center;padding:4rem 0;min-height:60vh;display:flex;flex-direction:column;align-items:center;justify-content:center}.hero-content{position:relative;z-index:1;animation:fadeInUp .6s ease-out}.hero-content h1{font-size:clamp(2.5rem,10vw,4rem);font-weight:700;margin-bottom:1.5rem;background:var(--gradient-primary);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text;color:var(--color-text);animation:fadeInUp .8s ease-out .2s backwards;line-height:1.3;min-height:1.3em}.hero-tagline{font-size:1.25rem;color:var(--color-text-secondary);margin-bottom:2rem;animation:fadeInUp .8s ease-out .4s backwards}.hero-features{display:flex;gap:1rem;justify-content:center;flex-wrap:wrap;margin-top:2rem}.feature-tag{display:inline-flex;align-items:center;padding:.5rem 1rem;background:var(--color-surface-hover);border:1px solid var(--color-border);border-radius:2rem;font-size:.875rem;color:var(--color-primary);gap:.25rem}.hero-cta{margin-bottom:1.5rem;animation:fadeInUp .8s ease-out .6s backwards}.version-info{color:var(--color-text-secondary);font-size:.875rem}.platform-info{color:var(--color-text-muted)}.btn-primary{position:relative;display:inline-flex;align-items:center;justify-content:center;gap:.5rem;min-height:44px;min-width:44px;padding:.75rem 1.5rem;background:linear-gradient(135deg,#0080ff,#0ff);background-size:200% 200%;color:#fff;text-decoration:none;border-radius:var(--radius-md);font-weight:600;font-size:1rem;transition:all .3s cubic-bezier(.4,0,.2,1);box-shadow:0 4px 15px #0080ff66,0 0 25px #0080ff33,inset 0 1px #fff3;cursor:pointer;text-shadow:0 1px 2px rgba(0,0,0,.3);border:none;overflow:hidden}[data-theme=dark] .btn-primary{background:linear-gradient(135deg,#06c,#0cf,#2a6);box-shadow:0 4px 20px #0080ff80,0 0 40px #00ffff4d,inset 0 1px #ffffff26}.btn-primary:before{content:"";position:absolute;top:0;left:-100%;width:100%;height:100%;background:linear-gradient(90deg,transparent,rgba(255,255,255,.4),transparent);transition:left .6s ease}.btn-primary:hover:before{left:100%}.btn-primary:hover{transform:translateY(-3px) scale(1.02);background-position:100% 50%;box-shadow:0 8px 25px #0080ff80,0 0 50px #0ff6,inset 0 1px #ffffff4d}[data-theme=dark] .btn-primary:hover{background:linear-gradient(135deg,#07d,#0df,#2c7);box-shadow:0 8px 30px #0080ff99,0 0 60px #00ffff80,inset 0 1px #fff3}.btn-primary:active{transform:translateY(-1px) scale(1)}.btn-primary:focus-visible{outline:2px solid var(--color-primary);outline-offset:3px;box-shadow:0 0 0 4px #0080ff33,0 4px 15px #0080ff66}.btn-primary.btn-large{min-height:64px;font-size:1.25rem;padding:1.25rem 3rem;box-shadow:0 6px 20px #0080ff80,0 0 40px #00ffff4d,inset 0 1px #ffffff40}[data-theme=dark] .btn-primary.btn-large{box-shadow:0 6px 30px #0080ff99,0 0 60px #00ffff80,inset 0 1px #fff3}.btn-primary.btn-large:hover{box-shadow:0 10px 35px #0080ff99,0 0 70px #00ffff80,inset 0 1px #ffffff59}.btn-primary.btn-recommended{position:relative;padding:1rem 2.5rem;min-height:60px;font-size:1.15rem;border:2px solid transparent;background:linear-gradient(#0080ff,#0080ff) padding-box,linear-gradient(135deg,#0ff,#0080ff,#22c55e) border-box;box-shadow:0 6px 25px #0080ff80,0 0 50px #0ff6,inset 0 0 20px #00ffff1a;animation:glow-pulse 2s ease-in-out infinite}@keyframes glow-pulse{0%,to{box-shadow:0 6px 25px #0080ff80,0 0 50px #0ff6,inset 0 0 20px #00ffff1a}50%{box-shadow:0 6px 30px #0080ff99,0 0 70px #0ff9,inset 0 0 30px #0ff3}}[data-theme=dark] .btn-primary.btn-recommended{background:linear-gradient(#06c,#06c) padding-box,linear-gradient(135deg,#0df,#08f,#2c6) border-box;animation:glow-pulse-dark 2s ease-in-out infinite}@keyframes glow-pulse-dark{0%,to{box-shadow:0 6px 30px #0080ff99,0 0 60px #00ffff80,inset 0 0 20px #00ffff26}50%{box-shadow:0 6px 40px #0080ffcc,0 0 100px #00ffffb3,inset 0 0 40px #00ffff40}}.btn-secondary{position:relative;display:inline-flex;align-items:center;justify-content:center;gap:.5rem;min-height:44px;padding:.75rem 2rem;background:var(--color-surface-glass);backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px);color:var(--color-primary);border:1px solid var(--color-primary);text-decoration:none;border-radius:var(--radius-md);font-weight:600;transition:all .3s cubic-bezier(.4,0,.2,1);cursor:pointer;box-shadow:0 2px 8px #0080ff1a,inset 0 1px #ffffff1a}[data-theme=dark] .btn-secondary{background:#141e32b3;border-color:#0ff6;color:var(--color-secondary);box-shadow:0 2px 12px #0080ff33,inset 0 1px #ffffff0d}.btn-secondary:hover{background:var(--color-primary);color:#fff;transform:translateY(-2px);box-shadow:0 4px 15px #0080ff4d,0 0 25px #0080ff33}[data-theme=dark] .btn-secondary:hover{background:#0ff3;border-color:var(--color-secondary);box-shadow:0 4px 20px #0080ff66,0 0 30px #00ffff4d}.btn-secondary:focus-visible{outline:2px solid var(--color-primary);outline-offset:2px;box-shadow:0 0 0 4px #0080ff26,0 2px 8px #0080ff33}.btn-icon{display:inline-flex;align-items:center;gap:.5rem;width:24px;height:24px}.btn-arrow{width:20px;height:20px;margin-left:.5rem;transition:transform .3s ease}.btn-primary:hover .btn-arrow,.btn-secondary:hover .btn-arrow{transform:translate(4px)}.btn-link{position:relative;color:var(--color-primary);text-decoration:none;font-weight:500;cursor:pointer;transition:all .2s ease-out}[data-theme=dark] .btn-link{color:var(--color-secondary);text-shadow:0 0 10px rgba(0,255,255,.3)}.btn-link:hover{color:var(--color-primary-dark)}[data-theme=dark] .btn-link:hover{color:#0df;text-shadow:0 0 20px rgba(0,255,255,.6)}.btn-link:focus-visible{outline:2px solid var(--color-primary);outline-offset:2px}.recommended-badge{display:inline-flex;align-items:center;padding:.35rem .65rem;margin-right:.5rem;background:linear-gradient(135deg,#ff6b6b,#ff8e53);color:#fff;font-size:.75rem;font-weight:700;border-radius:.25rem;text-transform:uppercase;letter-spacing:.05em;box-shadow:0 2px 10px #ff6b6b80,0 0 15px #ff6b6b4d;animation:pulse-badge 1.5s ease-in-out infinite}[data-theme=dark] .recommended-badge{background:linear-gradient(135deg,#ff6b6b,#ff8e53);box-shadow:0 2px 15px #ff6b6b99,0 0 25px #ff6b6b66}[data-theme=lunar-new-year] .btn-primary{background:linear-gradient(135deg,#ff8f00,#ffd54f);box-shadow:0 4px 15px #ff8f0066,0 0 25px #ffc1074d,inset 0 1px #ffffff4d}[data-theme=lunar-new-year] .btn-primary:hover{background:linear-gradient(135deg,#ffa000,#ffe082);box-shadow:0 6px 20px #ff8f0080,0 0 40px #ffc10780}@media(prefers-reduced-motion:reduce){.btn-primary,.btn-primary.btn-recommended,.btn-secondary{transition:none;animation:none;transform:none!important}.btn-primary:hover,.btn-primary.btn-recommended:hover,.btn-secondary:hover{transform:none}}.features{padding:5rem 0}.features h2{text-align:center;font-size:clamp(2rem,6vw,3rem);font-weight:900;margin-bottom:1rem;letter-spacing:-.03em;color:var(--color-text);font-family:var(--font-display);background:var(--gradient-primary);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}.features-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(280px,1fr));gap:2rem}.feature-card{padding:2rem;background:var(--color-surface-glass);backdrop-filter:blur(10px);border:1px solid var(--color-border);border-radius:.75rem;transition:transform .2s ease-out,box-shadow .2s ease-out,border-color .2s ease-out;animation:fadeInUp .6s ease-out backwards;cursor:pointer}.feature-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-lg)}.feature-card:focus-visible{outline:2px solid var(--color-primary);outline-offset:2px}.feature-card:nth-child(1){animation-delay:.1s}.feature-card:nth-child(2){animation-delay:.2s}.feature-card:nth-child(3){animation-delay:.3s}.feature-card:nth-child(4){animation-delay:.4s}.feature-card:nth-child(5){animation-delay:.5s}.feature-card:nth-child(6){animation-delay:.6s}.feature-icon-wrapper{width:64px;height:64px;margin-bottom:1rem}.feature-icon{font-size:2.5rem;margin-bottom:1rem}.feature-card h3{font-size:1.25rem;margin-bottom:.75rem;color:var(--color-text)}.feature-card p{color:var(--color-text-secondary);line-height:1.6}.faq{padding:5rem 0}.faq h2{text-align:center;font-size:clamp(2rem,6vw,3rem);font-weight:900;margin-bottom:1rem;letter-spacing:-.03em;color:var(--color-text);font-family:var(--font-display)}.faq-list{display:flex;flex-direction:column;gap:1rem;max-width:900px;margin:0 auto}.faq-item{border:1px solid var(--color-border);border-radius:var(--radius-md);overflow:hidden;transition:border-color .2s ease-out,box-shadow .2s ease-out}.faq-item:hover{border-color:var(--color-primary)}.faq-item summary{cursor:pointer;padding:1rem 1.5rem;background:var(--color-surface);font-weight:500;color:var(--color-text)!important;transition:background-color .2s ease-out,color .2s ease-out;position:relative;list-style:none;display:flex;align-items:center;justify-content:space-between}.faq-item summary::-webkit-details-marker{display:none}.faq-item summary:after{content:"+";font-size:1.5rem;font-weight:300;color:var(--color-primary);transition:transform .3s ease-out}.faq-item[open] summary:after{content:"−";transform:rotate(180deg)}.faq-item summary:focus-visible{outline:2px solid var(--color-primary);outline-offset:-2px}.faq-item summary:hover{background:var(--color-surface-hover)}.faq-content{padding:1.5rem;border-top:1px solid var(--color-border);animation:fadeIn .3s ease-out}.faq-content p{margin-bottom:1rem;line-height:1.6;color:var(--color-text-secondary)!important}.faq-content h4{margin-top:1rem;margin-bottom:.5rem;color:var(--color-text)!important}.faq-content ul,.faq-content ol{margin-left:1.5rem;margin-bottom:1rem}.faq-content li{margin-bottom:.5rem;color:var(--color-text-secondary)!important}.faq-content strong{color:inherit;font-weight:600}[data-theme=dark] .faq-content strong{color:var(--color-text)}[data-theme=lunar-new-year] .faq-content strong{color:#fff9c4}.faq-content pre{background:var(--color-surface-hover);padding:1rem;border-radius:var(--radius-md);overflow-x:auto;margin:1rem 0}.faq-content pre code{background:transparent;padding:0;color:var(--color-text-secondary)}.faq-content code{background:var(--color-surface-hover);padding:.125rem .375rem;border-radius:.25rem;font-size:.875em;color:var(--color-primary)}[data-theme=dark] .faq-content code{color:#4ade80}[data-theme=lunar-new-year] .faq-content code{color:#ffd54f}.faq-content a{color:var(--color-primary);text-decoration:none}.faq-content 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h3{color:#fff9c4}[data-theme=lunar-new-year] .feature-card p,[data-theme=lunar-new-year] .mirror-card p,[data-theme=lunar-new-year] .builder-feature p,[data-theme=lunar-new-year] .version-downloads th{color:#ffe082}[data-theme=lunar-new-year] .btn-primary{background:linear-gradient(135deg,#e53935,#c62828);box-shadow:0 0 20px #e5393580}[data-theme=lunar-new-year] .btn-primary:hover{background:linear-gradient(135deg,#ef5350,#d32f2f);box-shadow:0 0 30px #e53935b3,0 0 20px #ffc10766}[data-theme=lunar-new-year] .btn-secondary{color:#ffd54f;border-color:#ffd54f}[data-theme=lunar-new-year] .feature-card,[data-theme=lunar-new-year] .mirror-card,[data-theme=lunar-new-year] .builder-feature{border:1px solid rgba(255,193,7,.4);box-shadow:0 10px 40px #0000004d}[data-theme=lunar-new-year] .feature-card:hover,[data-theme=lunar-new-year] .mirror-card:hover,[data-theme=lunar-new-year] .builder-feature:hover{border-color:#ffc10799;box-shadow:0 15px 50px #0006,0 0 20px 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