:root{--primary-color:#4361ee;--secondary-color:#3f37c9;--accent-color:#4895ef;--light-color:#f8f9fa;--dark-color:#212529;--text-color:#333;--text-light:#6c757d;--shadow:0 4px 20px rgba(0,0,0,0.1);--transition:all 0.3s ease}*{margin:0;padding:0;-webkit-box-sizing:border-box;box-sizing:border-box}body{font-family:Noto Sans SC,sans-serif;color:var(--text-color);line-height:1.7;background-color:var(--light-color);overflow-x:hidden}a{text-decoration:none;-webkit-transition:var(--transition);transition:var(--transition)}img{max-width:100%;height:auto;display:block}ul{list-style:none}.container{width:100%;max-width:1200px;margin:0 auto;padding:0 20px}.btn{display:inline-block;background:var(--primary-color);color:#fff;font-weight:500;-webkit-transition:var(--transition);transition:var(--transition);-webkit-box-shadow:0 4px 15px rgba(67,97,238,.3);box-shadow:0 4px 15px 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a:after{content:"";position:absolute;bottom:0;left:0;width:0;height:2px;background:var(--primary-color);-webkit-transition:var(--transition);transition:var(--transition)}.nav-menu li.active a:after,.nav-menu li a:hover:after{width:100%}.nav-menu li.active a{color:var(--primary-color)}.hero{position:relative;padding:120px 0;overflow:hidden;background:linear-gradient(135deg,#4361ee,#3a0ca3);color:#fff}.hero-background{position:absolute;top:0;left:0;width:100%;height:100%;background:url(https://images.unsplash.com/photo-1551434678-e076c223a692?auto=format&fit=crop&ixlib=rb-1.2.1&q=80&w=1350) no-repeat 50%/cover;opacity:.1;z-index:0}.hero-grid{display:grid;grid-template-columns:1fr;gap:40px;-webkit-box-align:center;-ms-flex-align:center;align-items:center}.hero-content{text-align:center}.hero-badge{display:inline-block;background:hsla(0,0%,100%,.15);-webkit-backdrop-filter:blur(5px);backdrop-filter:blur(5px);padding:8px 16px;border-radius:50px;margin-bottom:20px;font-size:14px;font-weight:500;letter-spacing:.5px}.hero h1{font-size:2.5rem;font-weight:800;line-height:1.2;margin-bottom:20px}.hero h1 span{background:-webkit-gradient(linear,left top,right top,from(#f72585),to(#b5179e));background:linear-gradient(90deg,#f72585,#b5179e);-webkit-background-clip:text;background-clip:text;color:transparent}.hero-subtitle{font-size:1.1rem;opacity:.9;margin-bottom:30px;max-width:600px;margin-left:auto;margin-right:auto}.hero-features{-webkit-box-pack:center;-ms-flex-pack:center;justify-content:center;gap:15px;margin-bottom:30px;-ms-flex-wrap:wrap;flex-wrap:wrap}.feature-item,.hero-features{display:-webkit-box;display:-ms-flexbox;display:flex}.feature-item{-webkit-box-align:center;-ms-flex-align:center;align-items:center;gap:8px;background:hsla(0,0%,100%,.1);padding:8px 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h1{font-size:2.8rem}.two-columns{-webkit-box-orient:vertical;-webkit-box-direction:normal;-ms-flex-direction:column;flex-direction:column}.two-columns.reverse{-webkit-box-orient:vertical;-webkit-box-direction:reverse;-ms-flex-direction:column-reverse;flex-direction:column-reverse}}@media (max-width:768px){.nav-toggle{display:block}.nav-menu{position:fixed;top:0;right:-100%;width:80%;max-width:350px;height:100vh;background:#fff;-webkit-box-orient:vertical;-webkit-box-direction:normal;-ms-flex-direction:column;flex-direction:column;-webkit-box-align:start;-ms-flex-align:start;align-items:flex-start;padding:80px 40px;-webkit-box-shadow:-5px 0 20px rgba(0,0,0,.1);box-shadow:-5px 0 20px rgba(0,0,0,.1);-webkit-transition:var(--transition);transition:var(--transition)}.nav-menu.active{right:0}.nav-menu li{margin:15px 0}.hero{min-height:600px}.hero h1{font-size:2.2rem}.hero p{font-size:1rem}.hero-buttons{-webkit-box-orient:vertical;-webkit-box-direction:normal;-ms-flex-direction:column;flex-direction:column;-webkit-box-align:center;-ms-flex-align:center;align-items:center}.section{padding:60px 0}}@media (max-width:576px){.hero h1{font-size:2rem}.section-title h2{font-size:1.8rem}.feature-card,.pricing-card{padding:25px 20px}}.bg-gray{background-color:#f8f9fa}