*{margin:0;padding:0;box-sizing:border-box;}:root{--primary-color:#6366f1;--secondary-color:#8b5cf6;--accent-color:#10b981;--text-dark:#ffffff;--text-light:rgba(255, 255, 255, 0.95);--bg-light:rgba(255, 255, 255, 0.02);--bg-white:rgba(255, 255, 255, 0.05);--border-color:rgba(255, 255, 255, 0.25);--shadow:0 8px 32px rgba(0, 0, 0, 0.15);--shadow-lg:0 12px 40px rgba(0, 0, 0, 0.25);--transition:all 0.3s ease;--glass-border:1px solid rgba(255, 255, 255, 0.2);--backdrop-blur:blur(5px);}html{scroll-behavior:smooth;}body{font-family:-apple-system, BlinkMacSystemFont, 'Segoe UI', 'PingFang SC', 'Hiragino Sans GB', 'Microsoft YaHei', sans-serif;line-height:1.6;color:var(--text-dark);background-color:transparent;}.container{max-width:1200px;margin:0 auto;padding:0 20px;}.section{padding:80px 0;}.section-alt{background-color:transparent;}.section-title{font-size:2.5rem;text-align:center;margin-bottom:50px;color:var(--text-dark);text-shadow:0 4px 12px rgba(0, 0, 0, 0.8), 0 2px 6px rgba(0, 0, 0, 0.6);font-weight:700;}.navbar{position:fixed;top:0;left:0;right:0;background-color:transparent;backdrop-filter:none;-webkit-backdrop-filter:none;border-bottom:1px solid rgba(255, 255, 255, 0.15);box-shadow:none;z-index:1000;transition:var(--transition);}.navbar .container{display:flex;justify-content:space-between;align-items:center;padding:15px 20px;}.nav-brand{font-size:1.5rem;font-weight:bold;color:var(--primary-color);}.nav-menu{display:flex;list-style:none;gap:30px;}.nav-link{text-decoration:none;color:var(--text-dark);font-weight:500;transition:var(--transition);position:relative;}.nav-link::after{content:'';position:absolute;bottom:-5px;left:0;width:0;height:2px;background:var(--primary-color);transition:var(--transition);}.nav-link:hover::after, .nav-link.active::after{width:100%;}.nav-link:hover, .nav-link.active{color:var(--primary-color);}.nav-blog{background:linear-gradient(135deg, var(--primary-color), var(--secondary-color));color:white !important;padding:8px 20px;border-radius:20px;transition:var(--transition);}.nav-blog:hover{transform:translateY(-2px);box-shadow:0 4px 12px rgba(99, 102, 241, 0.4);}.nav-blog::after{display:none;}.hamburger{display:none;flex-direction:column;cursor:pointer;gap:5px;}.hamburger span{width:25px;height:3px;background-color:var(--text-dark);transition:var(--transition);}.hero{min-height:60vh;display:flex;align-items:center;justify-content:center;background:transparent;color:white;text-align:center;padding-top:80px;}.hero-title{font-size:3.5rem;margin-bottom:20px;animation:fadeInUp 1s ease;text-shadow:0 4px 12px rgba(0, 0, 0, 0.8), 0 2px 6px rgba(0, 0, 0, 0.6);font-weight:700;}.hero-subtitle{font-size:1.5rem;margin-bottom:40px;opacity:1;animation:fadeInUp 1s ease 0.2s backwards;text-shadow:0 3px 10px rgba(0, 0, 0, 0.8), 0 1px 5px rgba(0, 0, 0, 0.6);}.hero-stats{display:flex;gap:40px;justify-content:center;animation:fadeInUp 1s ease 0.4s backwards;}.stat-box{background-color:transparent;padding:30px 40px;border-radius:15px;backdrop-filter:none;border:1px solid rgba(255, 255, 255, 0.2);}.stat-box h3{font-size:2.5rem;margin-bottom:10px;text-shadow:0 3px 10px rgba(0, 0, 0, 0.8), 0 1px 5px rgba(0, 0, 0, 0.6);}.stat-box p{font-size:1rem;opacity:1;text-shadow:0 2px 8px rgba(0, 0, 0, 0.7);}.tools-grid{display:grid;grid-template-columns:repeat(auto-fill, minmax(300px, 1fr));gap:30px;}.tool-card{background-color:transparent;backdrop-filter:none;-webkit-backdrop-filter:none;border:1px solid rgba(255, 255, 255, 0.15);padding:30px;border-radius:15px;box-shadow:none;transition:all 0.3s ease;text-align:center;}.tool-card:hover{background-color:rgba(255, 255, 255, 0.05);transform:translateY(-5px);box-shadow:0 8px 30px rgba(0, 0, 0, 0.3);border-color:rgba(255, 255, 255, 0.35);backdrop-filter:blur(3px);-webkit-backdrop-filter:blur(3px);}.tool-icon{width:80px;height:80px;margin:0 auto 20px;background:linear-gradient(135deg, var(--primary-color), var(--secondary-color));border-radius:50%;display:flex;align-items:center;justify-content:center;color:white;font-size:2rem;}.tool-card h3{font-size:1.5rem;margin-bottom:10px;color:white;text-shadow:0 3px 10px rgba(0, 0, 0, 0.8), 0 1px 5px rgba(0, 0, 0, 0.6);font-weight:600;}.tool-card p{color:var(--text-light);margin-bottom:20px;font-size:0.95rem;text-shadow:0 2px 8px rgba(0, 0, 0, 0.7);}.tool-links{display:flex;flex-wrap:wrap;gap:10px;justify-content:center;}.tool-link{padding:8px 20px;background-color:rgba(255, 255, 255, 0.08);color:white;text-decoration:none;border-radius:20px;font-size:0.9rem;font-weight:500;transition:var(--transition);border:1px solid rgba(255, 255, 255, 0.25);}.tool-link:hover{background-color:var(--primary-color);color:white;border-color:var(--primary-color);transform:translateY(-2px);}.footer{background-color:transparent;backdrop-filter:none;-webkit-backdrop-filter:none;color:white;padding:50px 0 20px;border-top:1px solid rgba(255, 255, 255, 0.15);}.footer-content{display:grid;grid-template-columns:repeat(auto-fit, minmax(250px, 1fr));gap:40px;margin-bottom:30px;}.footer-section h3{font-size:1.3rem;margin-bottom:15px;color:white;}.footer-section p{color:rgba(255, 255, 255, 0.7);margin-bottom:10px;}.footer-section ul{list-style:none;}.footer-section ul li{margin-bottom:10px;}.footer-section ul li a{color:rgba(255, 255, 255, 0.7);text-decoration:none;transition:var(--transition);}.footer-section ul li a:hover{color:var(--primary-color);}.social-links{display:flex;gap:15px;margin-top:15px;}.social-links a{width:40px;height:40px;border-radius:50%;background-color:rgba(255, 255, 255, 0.1);display:flex;align-items:center;justify-content:center;color:white;font-size:1.2rem;transition:var(--transition);text-decoration:none;}.social-links a:hover{background-color:var(--primary-color);transform:translateY(-3px);}.footer-bottom{text-align:center;padding-top:20px;border-top:1px solid rgba(255, 255, 255, 0.1);color:rgba(255, 255, 255, 0.7);}@keyframes fadeInUp{from{opacity:0;transform:translateY(30px);}to{opacity:1;transform:translateY(0);}}@media (max-width:768px){.hamburger{display:flex;}.nav-menu{position:fixed;left:-100%;top:60px;flex-direction:column;background-color:var(--bg-white);width:100%;text-align:center;transition:var(--transition);box-shadow:var(--shadow);padding:20px 0;}.nav-menu.active{left:0;}.hero-title{font-size:2.5rem;}.hero-subtitle{font-size:1.2rem;}.hero-stats{flex-direction:column;gap:20px;}.tools-grid{grid-template-columns:1fr;}.section-title{font-size:2rem;}.footer-content{grid-template-columns:1fr;}}