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0.75rem;box-sizing:border-box;}.mobile-menu-toggle{margin-left:1rem;}.mobile-nav a{padding:0.75rem 0.75rem !important;}.logo{font-size:1.375rem;}.container{padding:0.75rem 0.75rem;box-sizing:border-box;}.article-container{padding:0.75rem 0.75rem;box-sizing:border-box;}.article-container h1{font-size:1.4rem;line-height:1.1;margin-bottom:0.3rem;}.social-share{padding:0.375rem 0.75rem;}.page-title{font-size:1.5rem;}.article-title{font-size:1.1rem;}.date-section{margin:1.5rem 0 1rem;}.date-section::before,.date-section::after{width:25%;}.date-header{font-size:1rem;padding:0 0.75rem;}.article-card{padding:0.75rem 0;}.article-excerpt{font-size:0.85rem;}.article-content p{font-size:0.85rem;}.keyword-tag{padding:0.25rem 0.6rem;font-size:0.6rem;}}.social-share{display:flex;justify-content:flex-end;align-items:center;gap:0.5rem;margin-bottom:0.5rem;padding:0.375rem 2rem;max-width:1400px;margin:0 auto;box-sizing:border-box;width:100%;}.social-btn{display:flex;align-items:center;justify-content:center;gap:0.5rem;padding:0.375rem 0.75rem;height:32px;border-radius:8px;border:1px solid #e9ecef;background:#fff;color:#666;text-decoration:none;transition:all 0.3s ease;cursor:pointer;font-size:0.85rem;font-weight:500;white-space:nowrap;}.social-btn:hover{transform:translateY(-2px);box-shadow:0 4px 12px rgba(0,0,0,0.15);}.social-btn.twitter:hover{background:#000;color:#fff;border-color:#000;}.social-btn.bluesky:hover{background:#00a8ff;color:#fff;border-color:#00a8ff;}.social-btn.facebook:hover{background:#4267B2;color:#fff;border-color:#4267B2;}.social-btn.reddit:hover{background:#ff4500;color:#fff;border-color:#ff4500;}.social-btn.email:hover{background:#333;color:#fff;border-color:#333;}.social-btn.bookmark:hover{background:#000;color:#fff;border-color:#000;}.social-btn svg{transition:transform 0.3s ease;}.social-btn:hover svg{transform:scale(1.1);}@media (max-width:1024px){.social-btn{height:30px;padding:0.3rem 0.5rem;font-size:0.8rem;}}@media (max-width:1199px){.social-share{padding:0.375rem 1.5rem;}}@media (max-width:768px){.social-share{gap:0.25rem;padding:0.375rem 1rem;}.social-btn{height:28px;padding:0.25rem 0.4rem;font-size:0.75rem;}.social-btn svg{width:16px;height:16px;}.social-btn span{display:none;}}@media (max-width:480px){.social-share{gap:0.25rem;padding-left:0.75rem;padding-right:0.75rem;}.social-btn{height:28px;padding:0.25rem 0.4rem;font-size:0.75rem;}.social-btn svg{width:16px;height:16px;}.social-btn span{display:none;}}@media (max-width:320px){.header-content{padding:0.75rem 0.5rem;}.mobile-menu-toggle{margin-left:0.75rem;}.mobile-nav a{padding:0.75rem 0.5rem !important;}.container,.article-container{padding:0.75rem 0.5rem;}.article-container h1{font-size:1.2rem;line-height:1.05;margin-bottom:0.25rem;}.social-share{padding:0.375rem 0.5rem;}.logo{font-size:1.25rem;}.mobile-nav a{font-size:0.9rem;}.page-title{font-size:1.25rem;}.article-title{font-size:1rem;}.article-excerpt{font-size:0.8rem;}.article-content p{font-size:0.8rem;}}@media print{header{position:static;border-bottom:2px solid #000;}nav,footer{display:none;}body{font-size:12pt;}.article-card{page-break-inside:avoid;}}