:root{--primary-color: #2c3e50;--background-color: #ecf0f1;--text-color: #ecf0f1;--text-color2: #34495e;--button-bg: #3498db;--button-text: #fff;--article-card-text-color: #2c3e50;--card-bg: #fff;--navbar-bg: #2c3e50;--toggle-bg: #ccc;--toggle-circle-bg: #ffffff;--gradient-blue-purple: linear-gradient(135deg, #3498db, #6e34db);--gradient-pink-purple: linear-gradient(135deg, #645ee2, #bf4cce);--gradient-orange-pink: linear-gradient(135deg, #ff7e5f, #feb47b);--gradient-red-yellow: linear-gradient(135deg, #f7b42c, #fc575e)}.dark-mode{--primary-color: #ecf0f1;--background-color: #34495e;--text-color: #2c3e50;--text-color2: #ecf0f1;--button-bg: #1abc9c;--button-text: #fff;--article-card-text-color: #ecf0f1;--card-bg: #2c3e50;--navbar-bg: #ecf0f1;--toggle-bg: #555;--toggle-circle-bg: #fff;--gradient-blue-purple: linear-gradient(135deg, #2575fc,#6a11cb);--gradient-pink-purple: linear-gradient(135deg, #4f46e5, #a121a8);--gradient-orange-pink: linear-gradient(135deg, #ff7e5f, 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ease}.search-button:hover{transform:scale(1.1);box-shadow:0 4px 8px #0000004d}.search-button:active{transform:scale(1);box-shadow:0 3px 6px #0003}.search-icon{width:20px;height:20px;stroke:#ecf0f1;transition:transform .2s ease}.search-button.clicked .search-icon{transform:rotate(180deg)}.search-bar-container{display:flex;align-items:center;border-bottom:2px solid white;padding:5px 10px;background:transparent}.search-results{margin-top:20px;display:grid;grid-template-columns:repeat(auto-fill,minmax(260px,1fr));gap:16px;padding:0}.search-results mark{background:var(--gradient-orange-pink);color:#fff;padding:0 2px;border-radius:3px}.modal-overlay ul{display:grid;grid-template-columns:repeat(auto-fit,minmax(120px,1fr));gap:15px;padding:0;list-style-type:none}.search-overlay{position:fixed;top:0;left:0;width:100%;height:100%;background:#0009;display:flex;justify-content:center;align-items:flex-start;z-index:9999;overflow-y:auto;padding:40px 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12px;color:var(--text-color2);line-height:1.4}.continue-reading{align-self:flex-end;font-weight:700;font-size:.9rem;color:#3498db}.search-results mark{padding:0 2px;border-radius:3px}.search-inner-container{max-width:1500px;margin:100px}.search-results{margin-top:20px}.search-result-card{display:block;padding:10px 15px;text-decoration:none;color:inherit}.result-title{font-weight:700;margin:0 0 6px}.result-snippet{margin:0 0 6px;color:#555}.continue-reading{font-size:.85rem;color:#3498db}.load-more-btn{display:block;margin:15px auto;padding:8px 16px;font-size:1rem;cursor:pointer;background-color:var(--primary-color);color:var(--background-color);border:none;border-radius:4px}.load-more-btn:hover{background-color:var(--button-bg)}.search-results{margin-top:20px;display:grid;grid-template-columns:repeat(4,1fr);gap:16px;padding:0;width:100%;box-sizing:border-box}@media (max-width: 900px){.search-results{grid-template-columns:repeat(2,1fr)}}@media (max-width: 600px){.search-results{grid-template-columns:1fr}}.navbar{background-color:var(--navbar-bg);padding:40px 0 20px;font-family:Arial,sans-serif;box-shadow:0 2px 5px #0000001a;display:flex;justify-content:center;align-items:center;direction:ltr!important;text-align:left!important}.navbar .container{display:flex;flex-direction:column;align-items:center;text-align:center}.navbar .nav-links{list-style-type:none;padding:0;margin:0;display:flex;justify-content:center;gap:0px}.nav-links a{color:var(--text-color);text-decoration:none;font-weight:600}.navbar .nav-links li{font-size:18px}.navbar .navbar-buttons{display:flex;justify-content:center;align-items:center;gap:15px;direction:ltr}@media (max-width: 768px){.navbar{flex-direction:column;align-items:flex-start;padding-left:20px}}ul{list-style-type:none;padding:0}ul li{padding:10px}button{background-color:var(--gradient-blue-purple);color:#fff;border:none;border-radius:5px;cursor:pointer;margin-top:20px}.hero{text-align:center;padding:60px 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20px;display:flex;flex-direction:column;justify-content:space-between}.rp-title{font-size:1.4rem;margin:0 0 8px;color:var(--article-card-text-color)}.rp-subtitle{font-size:1rem;margin:0 0 12px;color:#666;line-height:1.4;max-height:3.6em;overflow:hidden;text-overflow:ellipsis}.rp-meta{font-size:.9rem;color:#999;display:flex;gap:18px;margin-bottom:12px}.rp-link{align-self:flex-start;font-size:.95rem;font-weight:600;color:var(--button-bg);text-decoration:none;display:inline-flex;align-items:center;gap:4px;transition:color .2s ease}.rp-link:hover{color:var(--primary-color)}.rp-icon{width:20px;height:20px;fill:currentColor}@media (max-width: 768px){.rp-item{flex-direction:column}.rp-thumb{width:100%;height:200px}.rp-content{padding:12px 16px}}.about-section{text-align:center;padding:60px 20px;overflow:hidden;margin-left:15%;margin-right:15%}.about-section h1{font-size:3rem;margin-bottom:20px}.about-section p{font-size:1.2rem;margin-bottom:70px;white-space:pre-line}.about-section .cta-button{opacity:0;transform:translateY(50px);animation:fadeInUp 1s ease-out forwards;animation-delay:.6s;padding:15px 40px;background-color:var(--button-bg);color:var(--button-text);border:none;border-radius:30px;text-decoration:none;font-weight:700;display:inline-block;transition:background-color .3s ease,transform .2s ease}.about-section .cta-button:hover{background-color:#1abc9c;transform:scale(1.05)}@media (max-width: 768px){.about-section h1{font-size:2.5rem}.about-section p{font-size:1rem;margin-bottom:50px}.about-section .cta-button{padding:12px 30px}}@media (max-width: 480px){.cta-button{max-width:80%;font-size:70%}.about-section{padding-right:0!important;padding-left:0!important}.about-section p{margin-bottom:30px}}@media (max-width: 320px){body{font-size:12px}}.category-modal{position:fixed;top:0;left:0;right:0;bottom:0;background:#00000080;display:flex;justify-content:center;align-items:center;z-index:1000;overflow:auto}.modal-overlay{position:relative;background-color:var(--background-color);padding:30px;border-radius:10px;width:80%;max-width:500px;box-shadow:0 4px 15px #0000004d;text-align:center}.modal-overlay ul{display:flex;flex-direction:column;gap:15px;padding:0;list-style-type:none}.modal-overlay li{background:var(--gradient-blue-purple);color:#fff;padding:15px;border-radius:10px;font-weight:700;cursor:pointer;transition:background-color .3s ease,transform .3s ease}.modal-overlay li:hover{background-color:var(--gradient-orange-pink);transform:scale(1.05)}.modal-overlay button{margin-top:20px;padding:10px 20px;background-color:var(--gradient-red-yellow);color:var(--primary-color);border:none;border-radius:5px;cursor:pointer;font-weight:700;transition:background-color .3s ease}.modal-overlay 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6px 16px #0000001a}.fa-image{width:100%;height:180px;overflow:hidden}.fa-image img{width:100%;height:100%;object-fit:cover;object-position:top}.fa-body{padding:16px;display:flex;flex-direction:column;flex:1;justify-content:space-between}.fa-headline{font-size:1.3rem;margin:0 0 12px;color:var(--article-card-text-color);line-height:1.2}.fa-subtitle{margin:0 0 5px;color:var(--article-card-text-color);line-height:1.2}.fa-category{font-size:.85rem;color:#dbdbdb;margin:0 0 12px;margin-top:.25rem;display:block}.fa-first{margin-bottom:2.5em}.fa-footer{font-size:.9rem;color:#888;display:flex;justify-content:space-between;margin-bottom:12px}.fa-link{font-size:.95rem;font-weight:600;color:var(--button-bg);align-self:flex-end;transition:color .2s}.fa-link:hover{color:var(--primary-color)}.fa-more{text-align:center;margin-top:32px}.fa-more button{padding:10px 24px;font-size:1rem;background:var(--primary-color);color:var(--text-color);border:none;border-radius:8px;cursor:pointer;transition:background .2s}.fa-more button:hover{background:var(--button-bg)}@media (max-width: 600px){.fa-body{padding:12px}.fa-image{height:140px}}.button-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(280px,1fr));gap:20px;max-width:1200px;margin:40px auto 0;padding:0 16px;box-sizing:border-box;justify-content:center}.card-button{position:relative;display:flex;flex-direction:column;align-items:center;justify-content:center;height:100px;border-radius:20px;text-decoration:none;overflow:hidden;color:#fff;font-weight:700;font-size:1.1rem;box-shadow:0 4px 15px #0003;transition:transform .3s ease,box-shadow .3s ease,opacity .3s ease}.card-button:hover{transform:translateY(-5px);box-shadow:0 8px 20px #0000004d;opacity:.9}.card-button:active{opacity:.8}.gradient-pink-purple{background:var(--gradient-pink-purple)}.gradient-blue-purple{background:var(--gradient-blue-purple)}.gradient-orange-pink{background:var(--gradient-orange-pink)}.gradient-red-yellow{background:var(--gradient-red-yellow)}@media (max-width: 911px){.button-grid{grid-template-columns:repeat(auto-fit,minmax(450px,1fr))}}@media (max-width: 612px){.button-grid{grid-template-columns:repeat(auto-fit,minmax(280px,1fr))}}.loader{display:flex;justify-content:center;align-items:center;height:100vh;font-size:24px;font-weight:700;color:#333}.article-page{padding:50px 30px;max-width:820px;margin:60px auto;background-color:var(--card-bg);border-radius:8px;box-shadow:none}.article-page{flex:1;width:90%;max-width:70%;margin:60px auto}.article-page h1{font-size:2.4rem;font-weight:700;margin-bottom:10px;padding-bottom:10px}.article-page h3{font-size:1.3rem;color:var(--text-color2);margin-bottom:5px;margin-top:5px;font-style:italic}.article-page .meta-date-top{border-bottom:1px solid #ddd;color:#dbdbdb;margin-top:20px;font-size:.85rem}.article-page p{font-size:1.1rem;line-height:1.75;color:var(--text-color2);margin-bottom:22px}.article-page .meta-info{display:flex;flex-wrap:wrap;gap:10px;font-size:.9rem;color:#777;margin-bottom:20px;margin-top:-10px}.article-page .meta-info span{background-color:transparent;padding:0;border-radius:0;margin:10px 0 0}.article-page img{width:100%;height:300px;object-fit:cover;object-position:top;border-radius:8px;margin-top:20px}.no-image-placeholder{height:50px!important;width:100%;background-color:#f4f6f8;border-radius:10px;margin-top:20px;display:flex;justify-content:center;align-items:center;color:#9da8a9;font-size:1.2rem;text-align:center;margin-bottom:20px}.article-page .image-placeholder{width:100%;height:100px;background-color:#f4f6f8;border-radius:10px;display:flex;justify-content:center;align-items:center;color:#9da8a9;font-size:1.2rem;text-align:center;margin-top:10px;margin-bottom:10px}.article-page .article-content{margin-bottom:15px}.page-container{display:flex;flex-direction:column;min-height:100vh}.article-page .tags{display:flex;flex-wrap:wrap;gap:.5rem;margin-top:2rem}.article-page .tag{background-color:var(--button-bg);color:var(--button-text);padding:.4rem .8rem;border-radius:1rem;font-size:.85rem;cursor:pointer;transition:opacity .2s}.article-page .tag:hover{opacity:.8}@media (max-width: 480px){.article-page{width:95%;max-width:70%;margin:40px auto}.article-page img{width:100%;height:150px}.math-block{font-size:.65rem!important}}@media (min-width: 481px) and (max-width: 768px){.article-page{width:80%;max-width:70%;margin:50px auto}.article-page img{width:100%;height:200px}.math-block{font-size:1rem!important}}@media (min-width: 769px) and (max-width: 1199px){.article-page{width:60%;max-width:70%}.article-page img{width:100%;height:250px}}@media (min-width: 1200px){.article-page{width:45%;max-width:70%}}.article-page .article-content{overflow-x:auto;overflow-y:visible;min-width:0;white-space:normal!important;overflow-wrap:break-word;word-wrap:break-word;word-break:break-word;scrollbar-width:thin;scrollbar-color:#ccc transparent}.article-page .article-content::-webkit-scrollbar{height:4px}.article-page .article-content::-webkit-scrollbar-track{background:transparent}.article-page .article-content::-webkit-scrollbar-thumb{background:#ccc;border-radius:2px}.mjx-chtml{display:block;box-sizing:border-box;max-width:100%;overflow-x:auto;overflow-y:visible;white-space:nowrap;padding:.2em 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img{display:inline-block;width:auto!important;height:auto!important;max-width:none!important;max-height:none!important;object-fit:none!important;vertical-align:middle;-webkit-user-select:none;user-select:none;pointer-events:auto}.fixed-images-wrapper:before,.fixed-images-wrapper:after{content:"";display:inline-block}