*{margin:0;padding:0;box-sizing:border-box}:root{--bg-color: #f8f9fa;--text-color: #333;--header-bg: linear-gradient(135deg, #667eea 0%, #764ba2 100%);--nav-bg: #2c3e50;--nav-hover: #34495e;--card-bg: #fff;--border-color: #e3f2fd;--shadow: rgba(0,0,0,0.1);--shadow-hover: rgba(0,0,0,0.15);--section-bg: #f8f9fa}[data-theme="dark"]{--bg-color: #1a1a1a;--text-color: #e0e0e0;--header-bg: linear-gradient(135deg, #4a5568 0%, #553c9a 100%);--nav-bg: #2d3748;--nav-hover: #4a5568;--card-bg: #2d3748;--border-color: #4a5568;--shadow: rgba(0,0,0,0.3);--shadow-hover: rgba(0,0,0,0.4);--section-bg: #2d3748}body{font-family:"Segoe UI",Tahoma,Geneva,Verdana,sans-serif;line-height:1.6;color:var(--text-color);background-color:var(--bg-color);transition:background-color 0.3s ease,color 0.3s ease}.container{max-width:1200px;margin:0 auto;padding:0 20px}main{padding:2rem 0}section{margin-bottom:4rem}section h2{font-size:2rem;color:var(--text-color);margin-bottom:1rem;text-align:center}#hero{text-align:center;padding:3rem 0}#hero .hero-content h2{font-size:2rem;margin-bottom:1rem;color:var(--text-color)}@media (max-width: 768px){#hero .hero-content h2{font-size:1.5rem}}#hero .hero-content p{font-size:1.1rem;margin-bottom:2rem;color:var(--text-color);opacity:0.8;max-width:800px;margin-left:auto;margin-right:auto}#hero .hero-image{margin:2rem 0}#hero .hero-image img{max-width:800px;width:100%;height:auto;border-radius:10px;box-shadow:0 10px 30px var(--shadow)}@media (max-width: 768px){#hero .hero-image img{max-width:100%}}#hero .image-caption{font-size:0.9rem;color:var(--text-color);opacity:0.6;margin-top:0.5rem;font-style:italic}footer{background-color:var(--nav-bg);color:white;text-align:center;padding:2rem 0;margin-top:4rem}footer a{color:#667eea;text-decoration:none}footer a:hover{text-decoration:underline}header{background:var(--header-bg);color:white;text-align:center;padding:3rem 0}header .header-content{display:flex;align-items:center;justify-content:center;gap:2rem;position:relative}header .header-text{text-align:center}header .site-logo{height:calc(2.5rem + 1.2rem + 0.5rem + 2rem);width:auto;object-fit:contain;position:absolute;left:0}header h1{font-size:2.5rem;margin-bottom:0.5rem;font-weight:700}header .subtitle{font-size:1.2rem;opacity:0.9}@media (max-width: 768px){header .header-content{flex-direction:column;gap:1rem}header .site-logo{height:calc(2rem + 1rem + 0.5rem + 1.5rem);width:auto;position:static}header h1{font-size:2rem}header .subtitle{font-size:1rem}}nav{background-color:var(--nav-bg);padding:1rem 0;position:sticky;top:0;z-index:100}@media (max-width: 768px){nav{padding:0.5rem 0}}nav ul{list-style:none;display:flex;justify-content:center;align-items:center;gap:2rem}@media (max-width: 768px){nav ul{flex-direction:column;gap:0.3rem}}nav a{color:white;text-decoration:none;padding:0.5rem 1rem;border-radius:5px;transition:background-color 0.3s ease;display:flex;align-items:center;gap:0.5rem}@media (max-width: 768px){nav a{padding:0.3rem 0.8rem;font-size:0.9rem}}nav a:hover,nav a.active{background-color:var(--nav-hover)}nav a i{font-size:1rem}.theme-switch{display:inline-block;margin:0 8px}@media (max-width: 768px){.theme-switch{margin:0.2rem 0}}.theme-switch input[type="checkbox"]{-webkit-appearance:none;appearance:none;background-color:#0c0c0d1a;border:1px solid #0c0c0d4d;border-radius:14px;height:28px;width:56px;color:#737373;cursor:pointer}@media (max-width: 768px){.theme-switch input[type="checkbox"]{height:24px;width:48px}}.theme-switch input[type="checkbox"]:hover{background-color:#0c0c0d33;border-color:#0c0c0d7f}.theme-switch input[type="checkbox"]:active{background-color:#0c0c0d4d}.theme-switch input[type="checkbox"]:focus{box-shadow:0 0 0 1px #0a84ff inset, 0 0 0 1px #0a84ff, 0 0 0 4px #0a84ff4d}.theme-switch input[type="checkbox"]:checked{background-color:#0c0c0d33;border-color:#0c0c0d7f}.theme-switch input[type="checkbox"]::before{background-color:#ffffff;border-radius:10px;content:"☀️";display:flex;align-items:center;justify-content:center;height:20px;margin-left:3px;margin-top:3px;transition:margin-left 0.2s cubic-bezier(0.07, 0.95, 0, 1);width:20px;font-size:14px}@media (max-width: 768px){.theme-switch input[type="checkbox"]::before{height:16px;width:16px;font-size:12px;margin-left:3px;margin-top:3px}}.theme-switch input[type="checkbox"]:checked::before{background-color:#2d3748;margin-left:31px;content:"🌙"}@media (max-width: 768px){.theme-switch input[type="checkbox"]:checked::before{margin-left:27px}}.features-grid{display:grid;grid-template-columns:repeat(2, minmax(300px, 1fr));gap:2rem;margin-top:2rem}@media (max-width: 768px){.features-grid{grid-template-columns:1fr}}.feature-card{background:var(--card-bg);padding:2rem;border-radius:10px;box-shadow:0 5px 15px var(--shadow);transition:transform 0.3s ease,box-shadow 0.3s ease}.feature-card:hover{transform:translateY(-5px);box-shadow:0 10px 25px var(--shadow-hover)}.feature-card h3{color:var(--text-color);margin-bottom:1rem;font-size:1.3rem}.feature-card p{color:var(--text-color);opacity:0.8;line-height:1.6}.compatibility-grid{display:grid;grid-template-columns:repeat(auto-fit, minmax(250px, 1fr));gap:2rem;margin-top:2rem}.compat-item{background:var(--card-bg);padding:2rem;border-radius:10px;box-shadow:0 5px 15px var(--shadow);transition:transform 0.3s ease,box-shadow 0.3s ease;text-align:center}.compat-item:hover{transform:translateY(-5px);box-shadow:0 10px 25px var(--shadow-hover)}.compat-item h3{color:var(--text-color);margin-bottom:1rem}.compat-item p{color:var(--text-color);opacity:0.8;margin-bottom:1rem}.compat-item a{color:#667eea;text-decoration:none;font-weight:600}.compat-item a:hover{text-decoration:underline}.compat-item .compat-logo{max-width:100px;height:auto;margin-bottom:1rem}.compat-item .license-info{font-size:0.8rem;color:var(--text-color);opacity:0.6;margin-top:1rem;border-top:1px solid var(--border-color);padding-top:1rem}.btn{display:inline-block;padding:1rem 2rem;border-radius:50px;text-decoration:none;font-weight:600;transition:all 0.3s ease;margin:0.5rem;background:linear-gradient(135deg, #667eea 0%, #764ba2 100%);color:white;display:inline-flex;align-items:center;gap:0.5rem}.btn:hover{transform:translateY(-2px);box-shadow:0 10px 20px rgba(102,126,234,0.3)}.btn i{font-size:1rem}.btn-primary{display:inline-block;padding:1rem 2rem;border-radius:50px;text-decoration:none;font-weight:600;transition:all 0.3s ease;margin:0.5rem;background:linear-gradient(135deg, #667eea 0%, #764ba2 100%);color:white}.btn-primary:hover{transform:translateY(-2px);box-shadow:0 10px 20px rgba(102,126,234,0.3)}.btn-secondary{display:inline-block;padding:1rem 2rem;border-radius:50px;text-decoration:none;font-weight:600;transition:all 0.3s ease;margin:0.5rem;background:transparent;color:#667eea;border:2px solid #667eea}.btn-secondary:hover{background:#667eea;color:white;transform:translateY(-2px)}.cta-buttons{text-align:center;margin-top:2rem;gap:1rem;display:flex;justify-content:center;flex-wrap:wrap}.main-buttons{text-align:center;margin-bottom:3rem;gap:1rem;display:flex;justify-content:center;flex-wrap:wrap}@media (max-width: 768px){.main-buttons{flex-direction:column;align-items:center}.main-buttons .btn{width:200px}}.changelog-status{text-align:center;padding:3rem 0}.loading-spinner{width:40px;height:40px;border:4px solid var(--border-color);border-top:4px solid #667eea;border-radius:50%;animation:spin 1s linear infinite;margin:0 auto 1rem auto}@keyframes spin{0%{transform:rotate(0deg)}100%{transform:rotate(360deg)}}#changelog-content h1{color:var(--text-color);border-bottom:2px solid #667eea;padding-bottom:0.5rem;margin-bottom:2rem}#changelog-content h2{background:linear-gradient(135deg, #667eea 0%, #764ba2 100%);color:white;padding:1.2rem;border-radius:12px;margin:3rem 0 1.5rem 0;box-shadow:0 4px 15px rgba(102,126,234,0.2);position:relative}#changelog-content h2 .version-anchor{color:white;text-decoration:none;display:block}#changelog-content h2 .version-anchor:hover{text-decoration:underline}#changelog-content h2::before{content:"📦";margin-right:0.5rem}#changelog-content h3{color:var(--text-color);margin:2rem 0 1rem 0;font-weight:600;font-size:1.2rem;border-left:4px solid #667eea;padding:0.8rem 1rem;background:var(--section-bg);border-radius:0 8px 8px 0}#changelog-content ul{margin:1rem 0 2rem 0;padding-left:0}#changelog-content li{margin:0.8rem 0;line-height:1.7;padding:0.6rem 1rem 0.6rem 2.5rem;background:var(--card-bg);border-radius:6px;box-shadow:0 2px 8px var(--shadow);border-left:3px solid var(--border-color);list-style:none;position:relative}#changelog-content li::before{content:"✨";position:absolute;left:0.8rem;top:0.6rem}#legacy-changelog{margin-top:3rem;border-top:2px solid var(--border-color);padding-top:2rem}#legacy-changelog details{background:var(--card-bg);border:1px solid var(--border-color);border-radius:8px;padding:1rem}#legacy-changelog details summary{cursor:pointer;font-weight:bold;margin-bottom:0;padding:0.5rem;border-radius:4px;transition:background-color 0.3s ease}#legacy-changelog details summary:hover{background-color:var(--hover-bg)}#legacy-changelog details summary h3{display:inline;margin:0;color:var(--text-color)}#legacy-changelog details[open] summary{margin-bottom:1rem;border-bottom:1px solid var(--border-color)}#legacy-changelog #legacy-changelog-content h1,#legacy-changelog #legacy-changelog-content h2,#legacy-changelog #legacy-changelog-content h3{color:var(--text-color)}#legacy-changelog #legacy-changelog-content h2{background:linear-gradient(135deg, #6b7280, #9ca3af);color:white;padding:1rem;border-radius:8px;margin:2rem 0 1rem 0}#legacy-changelog #legacy-changelog-content h2::before{content:"📜";margin-right:0.5rem}#legacy-changelog #legacy-changelog-content ul{margin:1rem 0}#legacy-changelog #legacy-changelog-content li{margin:0.5rem 0;padding:0.5rem 1rem;background:var(--section-bg);border-radius:4px;border-left:3px solid #6b7280;list-style:none}#legacy-changelog #legacy-changelog-content li::marker{content:none;display:none}.quick-start-steps{display:flex;justify-content:space-between;gap:2rem;margin:2rem 0;flex-wrap:wrap}@media (max-width: 768px){.quick-start-steps{flex-direction:column}}.step{flex:1;min-width:250px;display:flex;align-items:flex-start;gap:1rem}.step-number{background:linear-gradient(135deg, #667eea 0%, #764ba2 100%);color:white;width:40px;height:40px;border-radius:50%;display:flex;align-items:center;justify-content:center;font-weight:bold;flex-shrink:0}.step-content h3{color:var(--text-color);margin-bottom:0.5rem}.step-content p{color:var(--text-color);opacity:0.8}