* { margin: 0; padding: 0; box-sizing: border-box; }
        html { scroll-behavior: smooth; }
        body {
            font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, sans-serif;
            line-height: 1.7;
            color: #2d3748;
            background-color: #f9fafb;
            max-width: 100vw;
            overflow-x: hidden;
        }
        img { max-width: 100%; height: auto; display: block; }
        h1, h2, h3, h4 { color: #1a202c; font-weight: 700; line-height: 1.3; margin-bottom: 1rem; }
        h1 { font-size: 2.75rem; margin-top: 1.5rem; }
        h2 { font-size: 2rem; margin-top: 2.5rem; padding-bottom: 0.5rem; border-bottom: 2px solid #e2e8f0; }
        h3 { font-size: 1.5rem; margin-top: 2rem; color: #2d3748; }
        h4 { font-size: 1.25rem; margin-top: 1.5rem; color: #4a5568; }
        p { margin-bottom: 1.5rem; }
        a { color: #3182ce; text-decoration: none; transition: color 0.2s; }
        a:hover { color: #2c5282; }
        strong { font-weight: 700; color: #1a202c; }
        em { font-style: italic; }
        .container {
            width: 100%;
            max-width: 1280px;
            margin: 0 auto;
            padding: 0 1.5rem;
        }
        .site-header {
            background: linear-gradient(135deg, #1a202c 0%, #2d3748 100%);
            color: white;
            padding: 1rem 0;
            position: sticky;
            top: 0;
            z-index: 1000;
            box-shadow: 0 4px 12px rgba(0,0,0,0.1);
        }
        .header-inner {
            display: flex;
            justify-content: space-between;
            align-items: center;
        }
        .my-logo {
            font-size: 2rem;
            font-weight: 800;
            background: linear-gradient(to right, #63b3ed, #b794f4);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            letter-spacing: -0.5px;
        }
        .my-logo:hover { opacity: 0.9; }
        .main-nav ul {
            display: flex;
            list-style: none;
            gap: 2rem;
        }
        .main-nav a {
            color: #cbd5e0;
            font-weight: 500;
            font-size: 1.05rem;
            padding: 0.5rem 0;
            position: relative;
        }
        .main-nav a:hover,
        .main-nav a.active { color: white; }
        .main-nav a::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            width: 0;
            height: 2px;
            background: #63b3ed;
            transition: width 0.3s ease;
        }
        .main-nav a:hover::after { width: 100%; }
        .hamburger {
            display: none;
            background: none;
            border: none;
            color: white;
            font-size: 1.8rem;
            cursor: pointer;
        }
        @media (max-width: 768px) {
            .hamburger { display: block; }
            .main-nav ul {
                position: fixed;
                top: 70px;
                right: -100%;
                flex-direction: column;
                background: #2d3748;
                width: 80%;
                height: calc(100vh - 70px);
                padding: 2rem;
                transition: right 0.4s ease;
                box-shadow: -5px 0 15px rgba(0,0,0,0.2);
            }
            .main-nav ul.active { right: 0; }
            .main-nav a { font-size: 1.2rem; }
        }
        .breadcrumb {
            background-color: #edf2f7;
            padding: 0.8rem 0;
            margin-bottom: 2rem;
            font-size: 0.9rem;
        }
        .breadcrumb ol {
            display: flex;
            flex-wrap: wrap;
            list-style: none;
        }
        .breadcrumb li:not(:last-child)::after {
            content: '/';
            margin: 0 0.5rem;
            color: #a0aec0;
        }
        .breadcrumb a { color: #4a5568; }
        .breadcrumb a:hover { color: #3182ce; }
        .content-area {
            display: grid;
            grid-template-columns: 1fr 300px;
            gap: 3rem;
            padding: 2rem 0;
        }
        @media (max-width: 992px) {
            .content-area { grid-template-columns: 1fr; }
        }
        .main-content { min-height: 200vh; }
        .article-intro {
            background: linear-gradient(to right, #ebf4ff, #faf5ff);
            padding: 2rem;
            border-radius: 12px;
            margin-bottom: 2.5rem;
            border-left: 5px solid #805ad5;
        }
        .article-intro p {
            font-size: 1.1rem;
            color: #4a5568;
        }
        .featured-image {
            width: 100%;
            max-height: 500px;
            object-fit: cover;
            border-radius: 12px;
            margin: 2rem 0;
            box-shadow: 0 10px 25px rgba(0,0,0,0.1);
        }
        .content-section {
            margin-bottom: 3rem;
        }
        .strategy-box {
            background: #fff;
            border-radius: 10px;
            padding: 1.5rem;
            margin: 1.5rem 0;
            border: 1px solid #e2e8f0;
            box-shadow: 0 4px 6px rgba(0,0,0,0.05);
        }
        .quote {
            font-style: italic;
            color: #4a5568;
            border-left: 4px solid #68d391;
            padding-left: 1.5rem;
            margin: 2rem 0;
        }
        .sidebar {
            position: sticky;
            top: 100px;
            align-self: start;
        }
        .sidebar-widget {
            background: white;
            border-radius: 10px;
            padding: 1.5rem;
            margin-bottom: 2rem;
            box-shadow: 0 4px 10px rgba(0,0,0,0.05);
        }
        .sidebar-title {
            font-size: 1.25rem;
            margin-bottom: 1rem;
            color: #2d3748;
            display: flex;
            align-items: center;
            gap: 0.5rem;
        }
        .form-group { margin-bottom: 1.2rem; }
        .form-control {
            width: 100%;
            padding: 0.8rem 1rem;
            border: 1px solid #cbd5e0;
            border-radius: 8px;
            font-size: 1rem;
            transition: border 0.3s;
        }
        .form-control:focus {
            outline: none;
            border-color: #3182ce;
            box-shadow: 0 0 0 3px rgba(49, 130, 206, 0.2);
        }
        .btn {
            background: #3182ce;
            color: white;
            border: none;
            padding: 0.8rem 1.8rem;
            border-radius: 8px;
            font-weight: 600;
            cursor: pointer;
            transition: background 0.3s, transform 0.2s;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 0.5rem;
        }
        .btn:hover {
            background: #2c5282;
            transform: translateY(-2px);
        }
        .btn-secondary { background: #718096; }
        .btn-secondary:hover { background: #4a5568; }
        .stars { display: flex; gap: 0.5rem; margin: 1rem 0; }
        .star { color: #cbd5e0; font-size: 1.5rem; cursor: pointer; transition: color 0.2s; }
        .star:hover,
        .star.active { color: #f6e05e; }
        .site-footer {
            background: #1a202c;
            color: #cbd5e0;
            padding: 3rem 0 1.5rem;
            margin-top: 4rem;
        }
        .footer-content {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
            gap: 2.5rem;
            margin-bottom: 2.5rem;
        }
        .footer-logo { font-size: 1.8rem; margin-bottom: 1rem; }
        .friend-links {
            display: flex;
            flex-wrap: wrap;
            gap: 1rem;
            margin: 1rem 0;
        }
        friend-link {
            background: #2d3748;
            padding: 0.5rem 1rem;
            border-radius: 6px;
            transition: background 0.3s;
        }
        friend-link:hover { background: #4a5568; }
        .copyright {
            text-align: center;
            padding-top: 1.5rem;
            border-top: 1px solid #4a5568;
            font-size: 0.9rem;
            color: #a0aec0;
        }
        .text-center { text-align: center; }
        .mt-2 { margin-top: 2rem; }
        .mb-2 { margin-bottom: 2rem; }
        .py-1 { padding-top: 1rem; padding-bottom: 1rem; }
        .last-updated {
            font-size: 0.9rem;
            color: #718096;
            font-style: italic;
            margin-top: 3rem;
        }