:root{--bg-color:#ffffff;--text-color:#333333;--primary-color:#4a6fa5;--secondary-color:#f8f9fa;--accent-color:#166d67;--border-color:#e0e0e0;--shadow-color:rgba(0,0,0,.1);--dropdown-bg:var(--bg-color);--dropdown-shadow:0 4px 12px rgba(0,0,0,.15);--mobile-menu-bg:var(--bg-color)}
[data-theme="dark"]{--bg-color:#1a1a1a;--text-color:#f0f0f0;--primary-color:#5d8fd4;--secondary-color:#2d2d2d;--accent-color:#2aa79b;--border-color:#444444;--shadow-color:rgba(255,255,255,.1);--dropdown-bg:#2a2a2a;--mobile-menu-bg:#252525}
*{margin:0;padding:0;box-sizing:border-box;transition:background-color .3s,color .3s,opacity .2s,transform .3s}
body{font-family:'Segoe UI',Tahoma,Geneva,Verdana,sans-serif;background-color:var(--bg-color);color:var(--text-color);line-height:1.6;display:flex;flex-direction:column;min-height:100vh}
a{color:var(--primary-color);text-decoration:underline dotted}
h1,h2,h3,h4,h5,h6{margin:3px;color:var(--primary-color);font-size:1.2rem}
h1{border-bottom:1px solid var(--primary-color);padding-bottom:10px;color:var(--text-color);margin-bottom:1.5rem}
header{background-color:var(--bg-color);box-shadow:0 2px 10px var(--shadow-color);position:sticky;top:0;z-index:1000;padding:0.75rem;border-bottom:1px solid var(--border-color)}
.nav-container{display:flex;justify-content:space-between;align-items:center;max-width:1400px;margin:0 auto;width:100%;position:relative}
.logo{font-size:1.5rem;font-weight:bold;color:var(--primary-color);text-decoration:none;display:flex;align-items:center;z-index:1001}
.logo i{margin-right:.5rem;font-size:1.8rem}
.mobile-menu-toggle{display:none;background:none;border:none;cursor:pointer;font-size:1.5rem;color:var(--text-color);z-index:1002;width:44px;height:44px;align-items:center;justify-content:center}
.nav-links{display:flex;gap:1.5rem;list-style:none}
.nav-links>li{position:relative}
.nav-links a{color:var(--text-color);text-decoration:none;font-weight:500;padding:.5rem 0;position:relative;display:flex;align-items:center;gap:.5rem}
.nav-links a:hover{color:var(--primary-color)}
.nav-links a::after{content:'';position:absolute;bottom:0;left:0;width:0;height:2px;background-color:var(--primary-color);transition:width .3s}
.nav-links a:hover::after{width:100%}
.dropdown-menu{position:absolute;top:100%;left:0;background-color:var(--dropdown-bg);border-radius:6px;box-shadow:var(--dropdown-shadow);padding:.5rem 0;min-width:200px;opacity:0;visibility:hidden;transform:translateY(10px);transition:all .2s ease-out;z-index:1000;border:1px solid var(--border-color)}
.nav-links>li:hover .dropdown-menu{opacity:1;visibility:visible;transform:translateY(0)}
.dropdown-menu li{list-style:none}
.dropdown-menu a{padding:.5rem 1rem;display:block;transition:all .2s}
.dropdown-menu a:hover{background-color:rgba(74,111,165,.1);color:var(--primary-color)}
.nav-right{display:flex;align-items:center;gap:1rem}
.search-bar{position:relative}
.search-bar input{padding:.5rem 1rem .5rem 2.5rem;border-radius:20px;border:1px solid var(--border-color);background-color:var(--secondary-color);color:var(--text-color);outline:none;width:200px}
.search-bar i{position:absolute;left:1rem;top:50%;transform:translateY(-50%);color:var(--text-color);opacity:.7}
.theme-toggle{background:none;border:none;cursor:pointer;font-size:1.2rem;color:var(--text-color);display:flex;align-items:center}
main{flex:1;display:flex;flex-direction:column;align-items:center;max-width:1400px;margin:1rem auto;padding:0 1rem;gap:1.5rem;width:100%}
.breadcrumb-section{width:100%;padding: 0.5rem 0;background-color:var(--secondary-color);border-radius:8px;border:1px solid var(--border-color);overflow-x:auto}
.breadcrumb-container{margin:0 auto;padding:0 1rem;display:flex;align-items:center;gap:.3rem;font-size:.8rem;color:var(--text-color);white-space:nowrap;overflow-x:auto}
.breadcrumb-container a{color:var(--primary-color);text-decoration:none}
.breadcrumb-container a:hover{text-decoration:underline}
.breadcrumb-container span{color:var(--text-color)}
.top-ads-spot{width:100%;margin-bottom:0.25rem;display:flex;justify-content:center;align-items:stretch;color:#666;padding:.25rem;background-color:transparent;border:1px solid #ddd;border-radius:.3rem;box-sizing:border-box;min-height:50px;position:relative;text-align:center;overflow:hidden;}
.top-ads-spot::before{content:"Advertisement";position:absolute;top:.5rem;left:.5rem;background-color:rgba(245,245,245,.9);padding:.2rem .4rem;border-radius:.2rem;font-size:.75rem;color:#444;z-index:2;line-height:1;}
.top-ads-spot>*{max-width:100%;}
.adsbygoogle {width: 100%;height: auto;}
.content-container{display:flex;width:100%;flex-direction:column}
.category-sidebar{flex:0 0 350px;border-radius:8px;height:fit-content;margin-right:0.75rem;display:flex;flex-direction:column;gap:0.75rem;padding-bottom: 1rem;}
.category-sidebar .sidebar-section{background-color:var(--secondary-color);padding:1.25rem;border-radius:8px}
.category-sidebar-heading{font-size: 1.25rem;margin-bottom:0.75rem;color:var(--primary-color);border-bottom:3px solid var(--border-color);padding-bottom:.5rem;font-weight: bold;}
.category-sidebar ul{list-style:none}
.category-sidebar a{color:var(--text-color);text-decoration:none;display:block;padding:.5rem;border-radius:4px;font-size:.9rem}
.category-sidebar a:hover{background-color:rgba(74,111,165,.1);color:var(--primary-color)}
.category-sidebar a.active{background-color:var(--primary-color);color:#fff}
.sidebar-ads-spot{background-color:var(--secondary-color);padding:1.5rem;border-radius:8px;display:flex;justify-content:center;align-items:center;color:var(--text-color);opacity:.7;font-size:.9rem}
.quick-jump-sticky {position: sticky;top: 75px;}
.article-content{flex:1;background-color:var(--secondary-color);padding:1rem;border-radius:8px;width:100%}
.article-title{color:var(--primary-color);margin-bottom:.5rem;line-height:1.3}
.article-body{line-height:1.7}
.article-body p{font-size:1.2rem;text-align:justify;margin-bottom:1rem}
.article-body ul, ol{font-size:1.1rem;text-align:justify;padding:0 0 1rem 2rem;}
.article-body img{max-width:100%;height:auto;border-radius:8px;margin:1.25rem auto;display:block;box-shadow:0 4px 12px var(--shadow-color);transition:transform .3s ease,box-shadow .3s ease}
.article-body img:hover{transform:translateY(-2px);box-shadow:0 6px 16px rgba(0,0,0,.15)}
.pagination {display: flex;justify-content: center;list-style: none;padding: 0;margin: 20px 0;}
.pagination a, .pagination span {display: block;padding: 8px 12px;margin: 0 5px;border: 1px solid var(--border-color);border-radius: 5px;text-decoration: none;color: var(--text-color);}
.pagination a:hover,
.pagination span.active,
.pagination-link.active-page {background-color: var(--primary-color);color: white;}
.img-container{margin:1.25rem 0}
.img-caption{text-align:center;font-size:.85rem;color:var(--text-color);opacity:.8;margin-top:.5rem}
.related-articles{margin-top:1rem;padding-top:0.75rem;border-top:1px solid var(--border-color)}
.related-articles a{text-decoration: none;}
.related-articles-heading {font-size: 1.2rem;margin-bottom: 0.75rem;color: var(--primary-color);font-weight: bold;}
.article-grid{display:grid;grid-template-columns:1fr;gap:1.25rem}
.article-card{background-color:var(--bg-color);border-radius:8px;overflow:hidden;box-shadow:0 2px 8px rgba(0,0,0,.1);transition:transform .3s ease}
.article-card:hover{transform:translateY(-5px)}
.article-card-img{height:160px;background-color:#eee;background-size:cover;background-position:center}
.article-card-content{padding:1.25rem}
.article-card-title{font-size:1.1rem;margin-bottom:.5rem;color:var(--primary-color);line-height:1.3}
.article-card-excerpt{color:var(--text-color);opacity:.8;font-size:.9rem;margin-bottom:1rem;line-height:1.5}
.article-card-meta{font-size:.8rem;color:var(--text-color);opacity:.6}
.styled-table{width:100%;font-family:'Segoe UI',Tahoma,Geneva,Verdana,sans-serif;border-radius:8px;overflow:hidden;box-shadow:0 2px 8px var(--shadow-color);margin: 10px 0 20px 0;}
.styled-table th{background-color:var(--primary-color);color:#fff;text-align:left;padding:12px 15px;font-weight:600}
.styled-table td{border-bottom:1px solid var(--border-color);padding:5px 5px;transition:background-color .2s}
.styled-table a{text-decoration: none}
.styled-table tbody tr:hover{background-color:rgba(74,111,165,.1)}
.styled-table tbody tr:nth-child(even){background-color:var(--secondary-color)}
[data-theme="dark"] .styled-table tbody tr:hover{background-color:rgba(93,143,212,.1)}
[data-theme="dark"] .styled-table tbody tr:nth-child(even){background-color:rgba(45,45,45,.5)}
footer{background-color:var(--secondary-color);border-top:1px solid var(--border-color);padding:1rem 1rem 1rem;}
.footer-grid{max-width:1400px;margin:0 auto;display:grid;grid-template-columns:repeat(1,1fr);gap:1.2rem}
.footer-column{margin-bottom:1.5rem}
.footer-heading{font-size:1.1rem;font-weight:600;color:var(--primary-color);margin-bottom:1rem;border-bottom:2px solid var(--primary-color);position:relative}
.footer-heading::after{content:'';position:absolute;bottom:-2px;left:0;width:50px;height:2px;background-color:var(--accent-color)}
.footer-links{list-style:none}
.footer-links li{margin-bottom:.75rem}
.footer-links a{color:var(--text-color);text-decoration:none;font-size:.9rem;display:flex;align-items:center;transition:all .2s ease;padding:.25rem 0}
.footer-links a:hover{color:var(--primary-color);transform:translateX(5px)}
.footer-links a::before{content:'→';color:var(--accent-color);margin-right:.5rem;font-size:.8rem;opacity:0;transition:all .2s ease}
.footer-links a:hover::before{opacity:1;margin-right:.75rem}
.footer-bottom{max-width:1400px;padding-top:0.25rem;border-top:1px solid var(--border-color);display:flex;flex-direction:column;align-items:center;gap:1.5rem}
.footer-logo{display:flex;align-items:center;gap:.5rem;font-size:1.25rem;font-weight:600;color:var(--primary-color);text-decoration:none}
.footer-logo i{font-size:1.5rem}
.copyright{font-size:.85rem;color:var(--text-color);opacity:.8}
.social-links{display:flex;gap:1rem}
.social-links a{display:flex;align-items:center;justify-content:center;width:36px;height:36px;border-radius:50%;background-color:var(--bg-color);color:var(--text-color);transition:all .2s}
.social-links a:hover{background-color:var(--primary-color);color:#fff;transform:translateY(-3px)}
.back-to-top{position:fixed;bottom:70px;right:25px;z-index:1000;opacity:0;visibility:hidden;transition:opacity .3s ease-in-out,visibility .3s ease-in-out}
.back-to-top.show{opacity:1;visibility:visible}
.back-to-top button{background-color:var(--accent-color);color:#fff;border:none;width:45px;height:45px;border-radius:50%;cursor:pointer;display:flex;align-items:center;justify-content:center;font-size:1.2rem;box-shadow:0 2px 15px rgba(0,0,0,.2);transition:all .2s}
.back-to-top button:hover{background-color:var(--primary-color);transform:scale(1.1)}

@media (min-width: 768px) {
.content-container{flex-direction:row}
.category-sidebar{margin-bottom:0}
.article-content{width:calc(100% - 250px - 1rem)}
.article-body img{max-width:80%}
.img-container.float-left{float:left;margin-right:1.5rem;max-width:50%}
.img-container.float-right{float:right;margin-left:1.5rem;max-width:50%}
.article-grid{grid-template-columns:repeat(auto-fill,minmax(300px,1fr))}
.footer-grid{grid-template-columns:repeat(3,1fr)}
.footer-bottom{flex-direction:row;justify-content:space-between}
}

@media (max-width: 767px) {
header{padding:.75rem}
.logo{font-size:1.3rem}
.logo i{font-size:1.5rem}
.mobile-menu-toggle{display:flex}
.nav-links{position:fixed;top:0;left:0;width:100%;height:100vh;background-color:var(--mobile-menu-bg);flex-direction:column;align-items:center;justify-content:center;gap:1rem;transform:translateY(-100%);opacity:0;visibility:hidden;transition:all .3s ease;z-index:1001;padding:1rem 1rem 1rem;overflow-y:auto}
.nav-links.active{transform:translateY(0);opacity:1;visibility:visible}
.nav-links>li{width:100%;text-align:center}
.nav-links a{justify-content:center;padding:.75rem;font-size:1.1rem}
.dropdown-menu{position:static;background-color:transparent;box-shadow:none;border:none;padding:0;max-height:0;overflow:hidden;transition:max-height .3s ease,opacity .3s ease;opacity:0;visibility:visible;transform:none}
.nav-links>li.active .dropdown-menu{max-height:500px;opacity:1;margin-top:.5rem}
.dropdown-menu a{padding:.5rem;font-size:.95rem;opacity:.9}
.nav-right{position:fixed;bottom:1rem;left:0;width:100%;justify-content:center;background-color:var(--mobile-menu-bg);padding:.5rem;z-index:1001;display:none}
.nav-links.active ~ .nav-right{display:flex}
.search-bar input{width:180px}
.article-content{padding:1.25rem}
.article-title{font-size:1.6rem}
.article-body h2{font-size:1.3rem}
.top-ads-spot{height:100%;}
.footer-grid{grid-template-columns:repeat(1,1fr)}
.styled-table th:nth-child(2),.styled-table td:nth-child(2){display:none}
.search-bar input{width:150px;padding:.5rem .75rem .5rem 2rem}
.search-bar i{left:.75rem}
}