@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:"PingFang SC", "Hiragino Sans GB", "Microsoft YaHei UI", "Microsoft YaHei", "Noto Sans CJK SC", "Noto Sans SC", "Source Han Sans SC", "WenQuanYi Micro Hei", "Segoe UI", system-ui, sans-serif;--font-cn-serif:"Songti SC", "STSong", "Hiragino Mincho ProN", "SimSun", "NSimSun", "Noto Serif CJK SC", "Noto Serif SC", "Source Han Serif SC", 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:var(--font-cn-sans);--font-tag:var(--font-cn-sans);--font-small:var(--font-cn-sans)}@media screen and (-webkit-device-pixel-ratio>=1){:root{--font-smoothing:antialiased;--moz-osx-font-smoothing:grayscale}}@media screen and (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 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#00ffff4d;--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:#0ff;--color-success:#4ade80;--color-accent:#a78bfa;--gradient-primary:linear-gradient(135deg, #00d4ff 0%, #0ff 50%, #4ade80 100%);--gradient-glow:radial-gradient(circle at center, #00d4ff33 0%, transparent 70%);--gradient-tech:linear-gradient(135deg, #00d4ff26 0%, #00ffff14 100%);--color-background:#030712;--color-surface:#0a0f1e;--color-surface-glass:#0f172ad9;--color-surface-hover:#151e32;--color-text:#f8fafc;--color-text-secondary:#e2e8f0;--color-text-muted:#94a3b8;--color-border:#ffffff1f;--color-border-light:#ffffff0f;--shadow-sm:0 1px 2px #0009;--shadow-md:0 4px 6px #000000b3;--shadow-lg:0 10px 40px #000c;--shadow-xl:0 20px 60px #000000e6;--shadow-glow:0 0 25px #00d4ff66;--shadow-glow-cyan:0 0 25px #00ffff59;--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, #e5393559 0%, #ffa00040 50%, transparent 70%);--gradient-tech:linear-gradient(135deg, #e5393533 0%, #ffa0001f 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h1{background:var(--gradient-primary);-webkit-text-fill-color:transparent;color:var(--color-text);background-clip:text;min-height:1.3em;margin-bottom:1.5rem;font-size:clamp(2.5rem,10vw,4rem);font-weight:700;line-height:1.3;animation:.8s ease-out .2s backwards fadeInUp}.hero-tagline{color:var(--color-text-secondary);margin-bottom:2rem;font-size:1.25rem;animation:.8s ease-out .4s backwards fadeInUp}.hero-features{flex-wrap:wrap;justify-content:center;gap:1rem;margin-top:2rem;display:flex}.feature-tag{background:var(--color-surface-hover);border:1px solid var(--color-border);color:var(--color-primary);border-radius:2rem;align-items:center;gap:.25rem;padding:.5rem 1rem;font-size:.875rem;display:inline-flex}.hero-cta{margin-bottom:1.5rem;animation:.8s ease-out .6s backwards fadeInUp}.version-info{color:var(--color-text-secondary);font-size:.875rem}.platform-info{color:var(--color-text-muted)}.btn-primary{color:#fff;border-radius:var(--radius-md);cursor:pointer;text-shadow:0 1px 2px #0000004d;background:linear-gradient(135deg,#0080ff 0%,#0ff 100%) 0 0/200% 200%;border:none;justify-content:center;align-items:center;gap:.5rem;min-width:44px;min-height:44px;padding:.75rem 1.5rem;font-size:1rem;font-weight:600;text-decoration:none;transition:all .3s cubic-bezier(.4,0,.2,1);display:inline-flex;position:relative;overflow:hidden;box-shadow:0 4px 15px #0080ff66,0 0 25px #0080ff33,inset 0 1px #fff3}[data-theme=dark] .btn-primary{background:linear-gradient(135deg,#06c 0%,#0cf 50%,#2a6 100%);box-shadow:0 4px 20px #0080ff80,0 0 40px #00ffff4d,inset 0 1px #ffffff26}.btn-primary:before{content:"";background:linear-gradient(90deg,#0000,#fff6,#0000);width:100%;height:100%;transition:left .6s;position:absolute;top:0;left:-100%}.btn-primary:hover:before{left:100%}.btn-primary:hover{background-position:100%;transform:translateY(-3px)scale(1.02);box-shadow:0 8px 25px #0080ff80,0 0 50px #0ff6,inset 0 1px #ffffff4d}[data-theme=dark] 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2rem;font-weight:600;text-decoration:none;transition:all .3s cubic-bezier(.4,0,.2,1);display:inline-flex;position:relative;box-shadow:0 2px 8px #0080ff1a,inset 0 1px #ffffff1a}[data-theme=dark] .btn-secondary{color:var(--color-secondary);background:#141e32b3;border-color:#0ff6;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{border-color:var(--color-secondary);background:#0ff3;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{align-items:center;gap:.5rem;width:24px;height:24px;display:inline-flex}.btn-arrow{width:20px;height:20px;margin-left:.5rem;transition:transform .3s}.btn-primary:hover .btn-arrow,.btn-secondary:hover .btn-arrow{transform:translate(4px)}.btn-link{color:var(--color-primary);cursor:pointer;font-weight:500;text-decoration:none;transition:all .2s ease-out;position:relative}[data-theme=dark] .btn-link{color:var(--color-secondary);text-shadow:0 0 10px #00ffff4d}.btn-link:hover{color:var(--color-primary-dark)}[data-theme=dark] .btn-link:hover{color:#0df;text-shadow:0 0 20px #0ff9}.btn-link:focus-visible{outline:2px solid var(--color-primary);outline-offset:2px}.recommended-badge{color:#fff;text-transform:uppercase;letter-spacing:.05em;background:linear-gradient(135deg,#ff6b6b 0%,#ff8e53 100%);border-radius:.25rem;align-items:center;margin-right:.5rem;padding:.35rem .65rem;font-size:.75rem;font-weight:700;animation:1.5s ease-in-out infinite pulse-badge;display:inline-flex;box-shadow:0 2px 10px #ff6b6b80,0 0 15px #ff6b6b4d}[data-theme=dark] .recommended-badge{background:linear-gradient(135deg,#ff6b6b 0%,#ff8e53 100%);box-shadow:0 2px 15px #ff6b6b99,0 0 25px #ff6b6b66}@media 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fadeInUp}.feature-card:hover{box-shadow:var(--shadow-lg);transform:translateY(-4px)}.feature-card:focus-visible{outline:2px solid var(--color-primary);outline-offset:2px}.feature-card:first-child{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{margin-bottom:1rem;font-size:2.5rem}.feature-card h3{color:var(--color-text);margin-bottom:.75rem;font-size:1.25rem}.feature-card p{color:var(--color-text-secondary);line-height:1.6}.faq h2{text-align:center;letter-spacing:-.03em;color:var(--color-text);font-size:clamp(2rem,6vw,3rem);font-weight:900;font-family:var(--font-display);margin-bottom:1rem}.faq-list{flex-direction:column;gap:1rem;max-width:900px;margin:0 auto;display:flex}.faq-item{border:1px solid var(--color-border);border-radius:var(--radius-md);transition:border-color .2s ease-out,box-shadow .2s ease-out;overflow:hidden}.faq-item:hover{border-color:var(--color-primary)}.faq-item summary{cursor:pointer;background:var(--color-surface);justify-content:space-between;align-items:center;padding:1rem 1.5rem;font-weight:500;list-style:none;transition:background-color .2s ease-out,color .2s ease-out;display:flex;position:relative;color:var(--color-text)!important}.faq-item summary::-webkit-details-marker{display:none}.faq-item summary:after{content:"+";color:var(--color-primary);font-size:1.5rem;font-weight:300;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{border-top:1px solid var(--color-border);padding:1.5rem;animation:.3s ease-out fadeIn}.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-bottom:1rem;margin-left:1.5rem}.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);border-radius:var(--radius-md);margin:1rem 0;padding:1rem;overflow-x:auto}.faq-content pre code{color:var(--color-text-secondary);background:0 0;padding:0}.faq-content code{background:var(--color-surface-hover);color:var(--color-primary);border-radius:.25rem;padding:.125rem .375rem;font-size:.875em}[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 a:hover{text-decoration:underline}[data-theme=lunar-new-year] .hero-content h1{background:linear-gradient(135deg,#ffd54f 0%,#ffa000 100%);-webkit-text-fill-color:transparent;color:#ffd54f;background-clip:text}[data-theme=lunar-new-year] .hero-tagline{color:#ffe082}[data-theme=lunar-new-year] .features h2{background:linear-gradient(135deg,#ffd54f 0%,#ffa000 100%);-webkit-text-fill-color:transparent;background-clip:text}[data-theme=lunar-new-year] .builder-intro h2,[data-theme=lunar-new-year] .mirror-sources h2,[data-theme=lunar-new-year] .faq h2,[data-theme=lunar-new-year] .cta-section h2,[data-theme=lunar-new-year] .system-requirements h2,[data-theme=lunar-new-year] .installation-guide h2,[data-theme=lunar-new-year] .version-history h2{color:#ffd54f}[data-theme=lunar-new-year] .feature-card h3,[data-theme=lunar-new-year] .mirror-header h3,[data-theme=lunar-new-year] .builder-feature h3,[data-theme=lunar-new-year] 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