*{margin:0;padding:0;box-sizing:border-box}:root{--primary-color:#c06c84;--secondary-color:#6c5b7b;--accent-color:#355c7d;--light-color:#f8b195;--dark-color:#4a6572;--text-color:#333;--text-light:#666;--bg-light:#f9f9f9;--bg-dark:#2c3e50;--white:#fff;--border-radius:8px;--box-shadow:0 4px 12px rgba(0,0,0,.1);--transition:all .3s ease}body{font-family:'Noto Serif SC',serif;line-height:1.6;color:var(--text-color);background-color:var(--bg-light)}.container{width:100%;max-width:1200px;margin:0 auto;padding:0 20px}.btn{display:inline-block;padding:10px 25px;border-radius:var(--border-radius);text-decoration:none;font-weight:600;cursor:pointer;transition:var(--transition);border:none;font-size:1rem}.btn-primary{background-color:var(--primary-color);color:var(--white)}.btn-primary:hover{background-color:#a9566f;transform:translateY(-3px)}.btn-secondary{background-color:var(--secondary-color);color:var(--white)}.btn-secondary:hover{background-color:#5a4a68;transform:translateY(-3px)}.btn-outline{border:2px solid var(--primary-color);color:var(--primary-color);background:transparent}.btn-outline:hover{background-color:var(--primary-color);color:var(--white)}.section-title{font-size:2.2rem;text-align:center;margin-bottom:50px;color:var(--dark-color);position:relative}.section-title::after{content:'';position:absolute;bottom:-15px;left:50%;transform:translateX(-50%);width:80px;height:4px;background:var(--primary-color);border-radius:2px}.text-center{text-align:center;margin-top:30px}.header{background-color:var(--white);box-shadow:0 2px 10px rgba(0,0,0,.1);position:sticky;top:0;z-index:1000;padding:15px 0}.header .container{display:flex;justify-content:space-between;align-items:center}.logo{display:flex;align-items:center}.logo i{font-size:2rem;color:var(--primary-color);margin-right:10px}.logo h1{font-size:1.8rem;color:var(--dark-color)}.main-nav ul{display:flex;list-style:none}.main-nav ul li{margin:0 10px}.main-nav ul li a{text-decoration:none;color:var(--text-color);font-weight:600;font-size:1rem;transition:var(--transition);display:flex;align-items:center}.main-nav ul li a i{margin-right:5px}.main-nav ul li a:hover,.main-nav ul li a.active{color:var(--primary-color)}.search-box{display:flex;align-items:center}.search-box input{padding:10px 15px;border:2px solid #eee;border-radius:var(--border-radius) 0 0 var(--border-radius);font-size:1rem;outline:none;transition:var(--transition);width:250px}.search-box input:focus{border-color:var(--primary-color)}.search-box button{padding:10px 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p{font-size:1.2rem;margin-bottom:30px;opacity:.9}.cta-buttons .btn{margin-right:15px;margin-bottom:10px}.hero-stats{display:flex;background:rgba(255,255,255,.1);border-radius:var(--border-radius);padding:20px;backdrop-filter:blur(5px);border:1px solid rgba(255,255,255,.2)}.stat-item{text-align:center;padding:0 20px}.stat-item:not(:last-child){border-right:1px solid rgba(255,255,255,.2)}.stat-item h3{font-size:2rem;margin-bottom:5px}.stat-item p{font-size:.9rem;opacity:.8}.features{padding:80px 0;background-color:var(--white)}.features-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:30px}.feature-card{background:var(--bg-light);border-radius:var(--border-radius);padding:30px;text-align:center;transition:var(--transition);box-shadow:var(--box-shadow)}.feature-card:hover{transform:translateY(-10px);box-shadow:0 10px 20px rgba(0,0,0,.1)}.feature-card .icon{width:70px;height:70px;background:var(--primary-color);color:var(--white);border-radius:50%;display:flex;align-items:center;justify-content:center;margin:0 auto 20px;font-size:1.8rem}.feature-card h3{font-size:1.3rem;margin-bottom:15px;color:var(--dark-color)}.feature-card p{color:var(--text-light);font-size:.95rem}.hot-books{padding:80px 0;background-color:var(--bg-light)}.books-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:25px}.book-card{background:var(--white);border-radius:var(--border-radius);overflow:hidden;transition:var(--transition);box-shadow:var(--box-shadow)}.book-card:hover{transform:translateY(-5px);box-shadow:0 10px 25px rgba(0,0,0,.15)}.book-cover{position:relative;height:250px;overflow:hidden}.book-cover img{width:100%;height:100%;object-fit:cover;transition:transform .5s ease}.book-card:hover .book-cover img{transform:scale(1.05)}.book-tag{position:absolute;top:15px;right:15px;background:var(--primary-color);color:var(--white);padding:5px 10px;border-radius:20px;font-size:.8rem;font-weight:bold}.book-info{padding:20px}.book-info h3{font-size:1.2rem;margin-bottom:8px;color:var(--dark-color)}.author{color:var(--text-light);font-size:.9rem;margin-bottom:10px}.rating{display:flex;align-items:center;margin-bottom:12px}.rating i{color:#f8b195;margin-right:2px;font-size:.9rem}.rating span{margin-left:8px;color:var(--text-light);font-weight:600}.desc{font-size:.9rem;color:var(--text-light);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}.categories{padding:80px 0;background-color:var(--white)}.categories-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}.category-card{background:var(--bg-light);border-radius:var(--border-radius);padding:25px;text-align:center;transition:var(--transition);text-decoration:none;color:var(--text-color);box-shadow:var(--box-shadow)}.category-card:hover{background:var(--primary-color);color:var(--white);transform:translateY(-5px)}.category-card i{font-size:2.5rem;margin-bottom:15px;display:block}.category-card h3{font-size:1.1rem}.download{padding:80px 0;background:linear-gradient(to right,var(--light-color),var(--primary-color));color:var(--white)}.download .container{display:flex;align-items:center}.download-content{flex:1;max-width:600px}.download-content h2{font-size:2.5rem;margin-bottom:20px}.download-content p{font-size:1.1rem;margin-bottom:30px;opacity:.9}.app-badges{display:flex;gap:20px}.app-badge{display:flex;align-items:center;background:rgba(255,255,255,.15);backdrop-filter:blur(5px);border-radius:var(--border-radius);padding:12px 25px;text-decoration:none;color:var(--white);transition:var(--transition);border:1px solid rgba(255,255,255,.2)}.app-badge:hover{background:rgba(255,255,255,.25);transform:translateY(-3px)}.app-badge i{font-size:2rem;margin-right:15px}.app-badge div span{display:block;font-size:.8rem;opacity:.8}.app-badge div strong{font-size:1.2rem}.download-image{flex:1;display:flex;justify-content:center}.phone-mockup{width:280px;height:500px;background:#111;border-radius:40px;position:relative;padding:15px;box-shadow:0 20px 40px rgba(0,0,0,.3)}.phone-mockup::before{content:'';position:absolute;top:20px;left:50%;transform:translateX(-50%);width:40%;height:25px;background:#222;border-radius:0 0 15px 15px;z-index:10}.screen{width:100%;height:100%;background:var(--dark-color);border-radius:30px;overflow:hidden;position:relative}.app-screen{padding:20px;height:100%;display:flex;flex-direction:column}.app-header{color:var(--white);font-size:1.2rem;text-align:center;padding-bottom:15px;border-bottom:1px solid rgba(255,255,255,.1);margin-bottom:20px}.app-book{flex:1;display:flex;flex-direction:column;justify-content:center;align-items:center;text-align:center;padding:20px}.app-title{font-size:1.5rem;color:var(--white);margin-bottom:30px;font-weight:bold}.app-progress{width:100%;height:8px;background:rgba(255,255,255,.1);border-radius:4px;margin-bottom:30px;overflow:hidden}.progress-bar{height:100%;background:var(--primary-color);border-radius:4px}.app-content{color:rgba(255,255,255,.8);font-size:.95rem;line-height:1.8}.footer{background:var(--bg-dark);color:var(--white);padding-top:60px}.footer .container{display:grid;grid-template-columns:repeat(5,1fr);gap:30px}.footer-logo{margin-bottom:20px}.footer-logo i{font-size:2rem;color:var(--primary-color);margin-bottom:15px}.footer-logo h3{font-size:1.5rem;margin-bottom:5px}.footer-logo p{opacity:.7;font-size:.9rem}.link-group h4{font-size:1.2rem;margin-bottom:20px;position:relative;padding-bottom:10px}.link-group h4::after{content:'';position:absolute;bottom:0;left:0;width:40px;height:2px;background:var(--primary-color)}.link-group ul{list-style:none}.link-group ul li{margin-bottom:12px}.link-group ul li a{color:rgba(255,255,255,.7);text-decoration:none;transition:var(--transition);font-size:.95rem}.link-group ul li a:hover{color:var(--primary-color);padding-left:5px}.footer-subscribe h4{font-size:1.2rem;margin-bottom:20px}.footer-subscribe p{opacity:.7;margin-bottom:20px;font-size:.95rem}.subscribe-form{display:flex}.subscribe-form input{flex:1;padding:12px 15px;border:none;border-radius:var(--border-radius) 0 0 var(--border-radius);outline:none;font-size:1rem}.subscribe-form button{background:var(--primary-color);color:var(--white);border:none;padding:0 20px;border-radius:0 var(--border-radius) var(--border-radius) 0;cursor:pointer;transition:var(--transition)}.subscribe-form button:hover{background:#a9566f}.footer-bottom{background:rgba(0,0,0,.2);padding:20px 0;margin-top:60px}.footer-bottom .container{display:flex;justify-content:space-between;align-items:center}.footer-bottom p{font-size:.9rem;opacity:.7}.social-links{display:flex;gap:15px}.social-links a{display:flex;align-items:center;justify-content:center;width:36px;height:36px;background:rgba(255,255,255,.1);border-radius:50%;color:var(--white);text-decoration:none;transition:var(--transition)}.social-links a:hover{background:var(--primary-color);transform:translateY(-3px)}.back-to-top{position:fixed;bottom:30px;right:30px;width:50px;height:50px;background:var(--primary-color);color:var(--white);border-radius:50%;display:flex;align-items:center;justify-content:center;cursor:pointer;opacity:0;transform:translateY(20px);transition:var(--transition);box-shadow:0 5px 15px rgba(0,0,0,.2);z-index:999}.back-to-top.show{opacity:1;transform:translateY(0)}.back-to-top:hover{background:#a9566f;transform:translateY(-5px)}@media (max-width:992px){.features-grid,.books-grid,.categories-grid{grid-template-columns:repeat(2,1fr)}.footer .container{grid-template-columns:repeat(3,1fr)}.download .container{flex-direction:column;gap:50px}.download-content{text-align:center}.app-badges{justify-content:center}}@media (max-width:768px){.main-nav{display:none}.mobile-toggle{display:block}.search-box input{width:180px}.hero .container{flex-direction:column;gap:40px}.hero-stats{width:100%}.section-title{font-size:1.8rem}.footer .container{grid-template-columns:repeat(2,1fr)}}@media (max-width:576px){.features-grid,.books-grid,.categories-grid{grid-template-columns:1fr}.footer .container{grid-template-columns:1fr}.hero-content h2{font-size:2rem}.hero-stats{flex-direction:column;gap:20px}.stat-item:not(:last-child){border-right:none;border-bottom:1px solid rgba(255,255,255,.2);padding-bottom:20px}.cta-buttons{display:flex;flex-direction:column;gap:10px}.cta-buttons .btn{margin-right:0;text-align:center}}