* { margin: 0; padding: 0; box-sizing: border-box; font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif; }
        html { scroll-behavior: smooth; }
        body { background-color: #0f172a; color: #cbd5e1; line-height: 1.7; overflow-x: hidden; }
        h1, h2, h3, h4 { color: #f8fafc; font-weight: 700; margin-bottom: 1rem; }
        h1 { font-size: clamp(2.5rem, 5vw, 4rem); line-height: 1.2; margin-top: 1.5rem; background: linear-gradient(90deg, #3b82f6, #8b5cf6); -webkit-background-clip: text; -webkit-text-fill-color: transparent; }
        h2 { font-size: clamp(1.8rem, 4vw, 2.5rem); border-left: 5px solid #3b82f6; padding-left: 1rem; margin-top: 2.5rem; }
        h3 { font-size: clamp(1.5rem, 3vw, 1.9rem); color: #93c5fd; margin-top: 2rem; }
        h4 { font-size: 1.3rem; color: #c4b5fd; margin-top: 1.5rem; }
        p { margin-bottom: 1.5rem; font-size: 1.1rem; }
        a { color: #60a5fa; text-decoration: none; transition: color 0.3s ease; }
        a:hover { color: #fbbf24; }
        strong { color: #fde68a; font-weight: 700; }
        em { font-style: italic; color: #a5b4fc; }
        .container { width: 100%; max-width: 1200px; margin: 0 auto; padding: 0 20px; }
        .site-header { background: linear-gradient(135deg, #1e293b 0%, #0f172a 100%); padding: 1rem 0; border-bottom: 2px solid #334155; position: sticky; top: 0; z-index: 1000; }
        .header-content { display: flex; justify-content: space-between; align-items: center; }
        .logo a { font-size: 2rem; font-weight: 900; background: linear-gradient(90deg, #60a5fa, #a78bfa); -webkit-background-clip: text; -webkit-text-fill-color: transparent; }
        .my-logo:hover { opacity: 0.9; }
        .main-nav ul { display: flex; list-style: none; gap: 2rem; }
        .main-nav a { font-weight: 600; padding: 0.5rem 0; position: relative; }
        .main-nav a::after { content: ''; position: absolute; bottom: 0; left: 0; width: 0; height: 2px; background: #fbbf24; transition: width 0.3s; }
        .main-nav a:hover::after { width: 100%; }
        .hamburger { display: none; font-size: 1.8rem; background: none; border: none; color: #cbd5e1; cursor: pointer; }
        @media (max-width: 768px) {
            .hamburger { display: block; }
            .main-nav ul { flex-direction: column; position: absolute; top: 100%; left: 0; width: 100%; background-color: #1e293b; padding: 1rem; display: none; }
            .main-nav.active ul { display: flex; }
        }
        .breadcrumb { padding: 1rem 0; font-size: 0.9rem; color: #94a3b8; }
        .breadcrumb a { margin: 0 5px; }
        .hero-image { width: 100%; max-height: 500px; object-fit: cover; border-radius: 10px; margin: 2rem 0; border: 3px solid #475569; }
        .content-section { display: grid; grid-template-columns: 1fr 300px; gap: 3rem; margin: 2rem 0; }
        @media (max-width: 992px) {
            .content-section { grid-template-columns: 1fr; }
        }
        .main-content { background: rgba(30, 41, 59, 0.7); padding: 2rem; border-radius: 15px; border: 1px solid #475569; }
        .sidebar { background: rgba(30, 41, 59, 0.7); padding: 1.5rem; border-radius: 15px; border: 1px solid #475569; align-self: start; }
        .widget { margin-bottom: 2rem; }
        .widget h3 { font-size: 1.4rem; margin-bottom: 1rem; }
        .widget form { display: flex; flex-direction: column; gap: 1rem; }
        .widget input, .widget textarea, .widget select { padding: 0.8rem; background: #1e293b; border: 1px solid #475569; border-radius: 8px; color: #cbd5e1; font-size: 1rem; }
        .widget button { padding: 0.8rem; background: linear-gradient(90deg, #3b82f6, #8b5cf6); color: white; border: none; border-radius: 8px; font-weight: bold; cursor: pointer; transition: transform 0.2s; }
        .widget button:hover { transform: translateY(-2px); }
        .highlight-box { background: linear-gradient(135deg, rgba(59, 130, 246, 0.2), rgba(139, 92, 246, 0.2)); border-left: 5px solid #3b82f6; padding: 1.5rem; margin: 2rem 0; border-radius: 0 10px 10px 0; }
        .tip { background-color: rgba(251, 191, 36, 0.1); border: 1px dashed #fbbf24; padding: 1rem; border-radius: 8px; margin: 1.5rem 0; }
        .link-list { list-style: none; padding: 1rem; background: #1e293b; border-radius: 10px; }
        .link-list li { padding: 0.8rem; border-bottom: 1px solid #334155; }
        .link-list li:last-child { border-bottom: none; }
        .site-footer { background: #0f172a; border-top: 2px solid #334155; padding: 3rem 0 1.5rem; margin-top: 3rem; }
        .footer-content { display: flex; justify-content: space-between; flex-wrap: wrap; gap: 2rem; }
        .footer-section { flex: 1; min-width: 250px; }
        friend-link { display: block; margin: 0.5rem 0; }
        .copyright { text-align: center; margin-top: 2rem; padding-top: 1.5rem; border-top: 1px solid #334155; color: #94a3b8; font-size: 0.9rem; }
        .last-updated { text-align: right; font-style: italic; color: #94a3b8; margin-bottom: 1rem; }
        .emoji { font-size: 1.2em; margin-right: 5px; }
        .text-center { text-align: center; }
        .mt-2 { margin-top: 2rem; }
        .mb-2 { margin-bottom: 2rem; }