:root{--primary-color:#0d2b45;--secondary-color:#1a5276;--accent-color:#7fb3d5;--background-light:#f8f9fa;--background-white:#fff;--text-primary:#333;--text-secondary:#666;--text-light:#fff;--border-color:#e0e0e0;--font-family-sans:"Inter", "Noto Sans TC", sans-serif;--shadow-sm:0 2px 4px #0000000d;--shadow-md:0 4px 12px #0000001a;--shadow-lg:0 10px 30px #00000026;--transition-fast:.2s ease;--transition-normal:.3s ease}*{box-sizing:border-box;margin:0;padding:0}html{scroll-behavior:smooth}body{font-family:var(--font-family-sans);color:var(--text-primary);background-color:var(--background-light);-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;line-height:1.6}h1,h2,h3,h4,h5,h6{color:var(--primary-color);margin-bottom:1rem;font-weight:700;line-height:1.2}a{color:inherit;text-decoration:none}ul{list-style:none}img{max-width:100%;display:block}.container{max-width:1200px;margin:0 auto;padding:0 2rem}.section{padding:5rem 0}.section-title{text-align:center;margin-bottom:3rem;padding-bottom:1rem;font-size:2.5rem;position:relative}.section-title:after{content:"";background-color:var(--secondary-color);width:60px;height:3px;position:absolute;bottom:0;left:50%;transform:translate(-50%)}.text-center{text-align:center}.mt-2{margin-top:1rem}.mb-2{margin-bottom:1rem}.mt-4{margin-top:2rem}.mb-4{margin-bottom:2rem}.navbar{-webkit-backdrop-filter:blur(10px);height:80px;box-shadow:var(--shadow-sm);z-index:1000;transition:all var(--transition-normal);background-color:#fffffff2;position:fixed;top:0;left:0;right:0}.navbar .container{justify-content:space-between;align-items:center;height:100%;display:flex}.nav-brand{align-items:center;gap:10px;display:flex}.text-logo{color:var(--primary-color);letter-spacing:-1px;font-size:1.8rem;font-weight:800}.text-logo-dot{color:var(--secondary-color)}.nav-links{gap:2rem;display:flex}.nav-links a{color:var(--text-primary);transition:color var(--transition-fast);font-size:1rem;font-weight:500;position:relative}.nav-links a:after{content:"";background-color:var(--secondary-color);width:0;height:2px;transition:width var(--transition-fast);position:absolute;bottom:-4px;left:0}.nav-links a:hover{color:var(--secondary-color)}.nav-links a:hover:after{width:100%}.hero{background:linear-gradient(135deg, var(--primary-color) 0%, var(--secondary-color) 100%);min-height:100vh;color:var(--text-light);text-align:center;justify-content:center;align-items:center;padding-top:80px;display:flex;position:relative;overflow:hidden}.hero:before{content:"";z-index:1;background:url("data:image/svg+xml;utf8,<svg opacity=\"0.05\" width=\"100\" height=\"100\" viewBox=\"0 0 100 100\" xmlns=\"http://www.w3.org/2000/svg\"><path d=\"M0 0h100v100H0z\" fill=\"none\"/><path stroke=\"white\" stroke-width=\"0.5\" d=\"M0 50h100M50 0v100\"/></svg>");position:absolute;inset:0}.hero-content{z-index:2;max-width:800px;padding:0 2rem;animation:1s ease-out forwards fadeIn;position:relative}.hero h1{color:var(--text-light);letter-spacing:-1px;margin-bottom:1.5rem;font-size:4rem}.hero p{opacity:.9;margin-bottom:2.5rem;font-size:1.25rem;font-weight:300}.btn{transition:all var(--transition-normal);cursor:pointer;border:none;border-radius:4px;padding:1rem 2.5rem;font-size:1.1rem;font-weight:600;display:inline-block}.btn-primary{background-color:var(--text-light);color:var(--primary-color);box-shadow:var(--shadow-md)}.btn-primary:hover{box-shadow:var(--shadow-lg);background-color:var(--accent-color);color:var(--text-light);transform:translateY(-2px)}.feature-grid{grid-template-columns:repeat(auto-fit,minmax(300px,1fr));gap:2rem;margin-top:3rem;display:grid}.feature-card{background:var(--background-white);box-shadow:var(--shadow-sm);transition:all var(--transition-normal);border:1px solid var(--border-color);border-radius:8px;padding:2.5rem}.feature-card:hover{box-shadow:var(--shadow-md);border-color:var(--accent-color);transform:translateY(-5px)}.feature-icon{width:50px;height:50px;color:var(--secondary-color);background-color:#1a52761a;border-radius:50%;justify-content:center;align-items:center;margin-bottom:1.5rem;font-size:1.5rem;display:flex}.about-visual{flex-direction:column;gap:1rem;display:flex}.about-visual-box{background-color:var(--background-white);box-shadow:var(--shadow-sm);border-left:4px solid var(--secondary-color);transition:all var(--transition-normal);border-radius:8px;padding:1.5rem}.about-visual-box:hover{box-shadow:var(--shadow-md);transform:translate(10px)}.about-visual-box h4{color:var(--primary-color);margin-bottom:.25rem;font-size:1.2rem}.about-visual-box.outline{border:1px solid var(--border-color);border-left:4px solid var(--primary-color);background-color:#0000}.about-visual-box.dark{background-color:var(--primary-color);color:var(--text-light);border-left:4px solid var(--accent-color)}.about-visual-box.dark h4{color:var(--text-light)}.stats{background-color:var(--primary-color);color:var(--text-light);padding:4rem 0}.stats-grid{text-align:center;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:2rem;display:grid}.stat-item h3{color:var(--text-light);margin-bottom:.5rem;font-size:3rem}.stat-item p{opacity:.8;font-size:1.1rem}.footer{color:#ffffffb3;background-color:#081a29;padding:4rem 0 2rem}.footer-grid{grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:3rem;margin-bottom:3rem;display:grid}.footer-col h4{color:var(--text-light);margin-bottom:1.5rem;font-size:1.2rem}.footer-col ul li{margin-bottom:.75rem}.footer-col ul li a{transition:color var(--transition-fast)}.footer-col ul li a:hover{color:var(--text-light)}.footer-bottom{text-align:center;border-top:1px solid #ffffff1a;padding-top:2rem;font-size:.9rem}@keyframes fadeIn{0%{opacity:0;transform:translateY(20px)}to{opacity:1;transform:translateY(0)}}@media (width<=768px){.hero h1{font-size:2.5rem}.nav-links{display:none}}