* { margin: 0; padding: 0; box-sizing: border-box; }
        :root {
            --primary: #dc2626; 
            --primary-dark: #b91c1c;
            --secondary: #1e40af; 
            --accent: #f59e0b; 
            --dark: #1f2937;
            --light: #f9fafb;
            --gray: #6b7280;
            --transition: all 0.3s ease;
            --shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
            --radius: 8px;
            --max-width: 1200px;
        }
        html { scroll-behavior: smooth; }
        body {
            font-family: 'Segoe UI', system-ui, -apple-system, sans-serif;
            line-height: 1.7;
            color: var(--dark);
            background-color: #fef2f2; 
            background-image: radial-gradient(#fecaca 1px, transparent 1px);
            background-size: 30px 30px;
        }
        img { max-width: 100%; height: auto; display: block; }
        .container {
            width: 100%;
            max-width: var(--max-width);
            margin: 0 auto;
            padding: 0 1.5rem;
        }
        .text-center { text-align: center; }
        .bold { font-weight: 700; }
        .highlight { background: linear-gradient(120deg, #fde68a80 0%, #fde68a80 100%); padding: 0 0.25rem; }
        .emoji-bullet::before { content: "♦️ "; }
        .section-padding { padding: 4rem 0; }
        @media (max-width: 768px) { .section-padding { padding: 2.5rem 0; } }
        .site-header {
            background: white;
            box-shadow: var(--shadow);
            position: sticky;
            top: 0;
            z-index: 1000;
        }
        .header-container {
            display: flex;
            justify-content: space-between;
            align-items: center;
            padding: 1rem 1.5rem;
        }
        .my-logo {
            font-family: Georgia, serif;
            font-size: 2.2rem;
            font-weight: 900;
            color: var(--primary);
            text-decoration: none;
            display: flex;
            align-items: center;
            gap: 0.5rem;
        }
        .my-logo i { color: var(--secondary); }
        .my-logo:hover { color: var(--primary-dark); }
        .nav-desktop {
            display: flex;
            gap: 2rem;
        }
        @media (max-width: 992px) { .nav-desktop { display: none; } }
        .nav-link {
            text-decoration: none;
            color: var(--dark);
            font-weight: 600;
            padding: 0.5rem 0;
            position: relative;
            transition: var(--transition);
        }
        .nav-link::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            width: 0;
            height: 3px;
            background: var(--primary);
            transition: width 0.3s;
        }
        .nav-link:hover { color: var(--primary); }
        .nav-link:hover::after { width: 100%; }
        .hamburger {
            display: none;
            background: none;
            border: none;
            font-size: 1.8rem;
            color: var(--primary);
            cursor: pointer;
            padding: 0.5rem;
        }
        @media (max-width: 992px) { .hamburger { display: block; } }
        .mobile-nav {
            position: fixed;
            top: 70px;
            left: 0;
            width: 100%;
            background: white;
            box-shadow: 0 5px 10px rgba(0,0,0,0.1);
            padding: 1.5rem;
            transform: translateY(-100%);
            opacity: 0;
            visibility: hidden;
            transition: var(--transition);
            z-index: 999;
        }
        .mobile-nav.active {
            transform: translateY(0);
            opacity: 1;
            visibility: visible;
        }
        .mobile-nav .nav-link {
            display: block;
            padding: 1rem 0;
            border-bottom: 1px solid #eee;
            font-size: 1.1rem;
        }
        .breadcrumb {
            background: #edf2f7;
            padding: 1rem 1.5rem;
            font-size: 0.9rem;
            margin-bottom: 2rem;
        }
        .breadcrumb a {
            color: var(--secondary);
            text-decoration: none;
        }
        .breadcrumb a:hover { text-decoration: underline; }
        .breadcrumb span { color: var(--gray); }
        main { background: white; border-radius: var(--radius); box-shadow: var(--shadow); margin: 2rem auto; padding: 3rem; }
        @media (max-width: 768px) { main { padding: 1.5rem; margin: 1rem; } }
        h1 {
            font-size: 3.2rem;
            color: var(--primary);
            margin-bottom: 1.5rem;
            line-height: 1.2;
            border-bottom: 5px solid var(--accent);
            padding-bottom: 1rem;
        }
        @media (max-width: 768px) { h1 { font-size: 2.5rem; } }
        h2 {
            font-size: 2.2rem;
            color: var(--secondary);
            margin: 3rem 0 1.5rem;
            padding-bottom: 0.5rem;
            border-bottom: 2px solid #e5e7eb;
        }
        h3 {
            font-size: 1.7rem;
            color: var(--dark);
            margin: 2.5rem 0 1rem;
        }
        h4 {
            font-size: 1.3rem;
            color: var(--gray);
            margin: 2rem 0 0.75rem;
            font-weight: 600;
        }
        p {
            margin-bottom: 1.5rem;
            font-size: 1.125rem;
            text-align: justify;
        }
        .lead {
            font-size: 1.4rem;
            color: var(--dark);
            font-weight: 500;
            margin-bottom: 2rem;
            padding: 1.5rem;
            background: #f0f9ff;
            border-left: 5px solid var(--secondary);
            border-radius: 0 var(--radius) var(--radius) 0;
        }
        .info-box {
            background: #fefce8;
            border: 1px solid #fde047;
            border-radius: var(--radius);
            padding: 1.5rem;
            margin: 2rem 0;
        }
        .info-box h4 { margin-top: 0; color: #ca8a04; }
        .content-link {
            color: var(--secondary);
            text-decoration: none;
            font-weight: 600;
            border-bottom: 1px dotted var(--secondary);
            transition: var(--transition);
        }
        .content-link:hover {
            color: var(--primary);
            border-bottom-style: solid;
            background-color: #fef2f2;
        }
        figure {
            margin: 2.5rem auto;
            text-align: center;
            max-width: 800px;
        }
        .article-img {
            border-radius: var(--radius);
            box-shadow: var(--shadow);
            border: 5px solid white;
            transition: transform 0.5s ease;
        }
        .article-img:hover { transform: scale(1.02); }
        figcaption {
            font-style: italic;
            color: var(--gray);
            margin-top: 0.75rem;
            font-size: 0.95rem;
        }
        ul, ol { margin: 1.5rem 0 1.5rem 2rem; }
        li { margin-bottom: 0.75rem; font-size: 1.1rem; }
        .strategy-list li::marker { color: var(--primary); font-weight: bold; }
        .module {
            background: #f8fafc;
            border: 1px solid #e2e8f0;
            border-radius: var(--radius);
            padding: 2rem;
            margin: 3rem 0;
        }
        .module-title {
            font-size: 1.8rem;
            color: var(--primary);
            margin-bottom: 1.5rem;
            display: flex;
            align-items: center;
            gap: 0.75rem;
        }
        .form-group {
            margin-bottom: 1.5rem;
        }
        label {
            display: block;
            margin-bottom: 0.5rem;
            font-weight: 600;
            color: var(--dark);
        }
        input, textarea, select {
            width: 100%;
            padding: 0.875rem;
            border: 1px solid #cbd5e1;
            border-radius: var(--radius);
            font-family: inherit;
            font-size: 1rem;
            transition: var(--transition);
        }
        input:focus, textarea:focus, select:focus {
            outline: none;
            border-color: var(--primary);
            box-shadow: 0 0 0 3px rgba(220, 38, 38, 0.1);
        }
        .btn {
            display: inline-block;
            background: var(--primary);
            color: white;
            padding: 0.875rem 2rem;
            border: none;
            border-radius: var(--radius);
            font-size: 1.1rem;
            font-weight: 600;
            cursor: pointer;
            transition: var(--transition);
            text-decoration: none;
            text-align: center;
        }
        .btn:hover {
            background: var(--primary-dark);
            transform: translateY(-2px);
            box-shadow: 0 6px 12px rgba(220, 38, 38, 0.2);
        }
        .btn-secondary {
            background: var(--secondary);
        }
        .btn-secondary:hover {
            background: #1e3a8a;
        }
        .rating {
            display: flex;
            gap: 0.5rem;
            margin: 1rem 0;
        }
        .rating input { display: none; }
        .rating label {
            font-size: 2rem;
            color: #d1d5db;
            cursor: pointer;
            margin: 0;
        }
        .rating input:checked ~ label { color: #d1d5db; }
        .rating label:hover,
        .rating label:hover ~ label { color: #fbbf24; }
        .rating input:checked + label,
        .rating input:checked + label ~ label { color: #f59e0b; }
        footer {
            background: var(--dark);
            color: white;
            padding: 3rem 0 1.5rem;
            margin-top: 4rem;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
            gap: 2rem;
            margin-bottom: 2rem;
        }
        .footer-heading {
            font-size: 1.3rem;
            margin-bottom: 1.5rem;
            color: var(--accent);
        }
        .footer-links a {
            display: block;
            color: #d1d5db;
            text-decoration: none;
            margin-bottom: 0.75rem;
            transition: var(--transition);
        }
        .footer-links a:hover { color: white; padding-left: 0.5rem; }
        .friend-links {
            background: #374151;
            padding: 1.5rem;
            border-radius: var(--radius);
            margin: 2rem 0;
        }
        friend-link {
            display: inline-block;
            background: #4b5563;
            color: white;
            padding: 0.5rem 1rem;
            border-radius: 20px;
            margin: 0.5rem;
            text-decoration: none;
            font-size: 0.9rem;
            transition: var(--transition);
        }
        friend-link:hover {
            background: var(--primary);
        }
        .copyright {
            text-align: center;
            padding-top: 2rem;
            border-top: 1px solid #4b5563;
            color: #9ca3af;
            font-size: 0.9rem;
        }
        .update-time {
            text-align: right;
            font-size: 0.9rem;
            color: var(--gray);
            margin-bottom: 2rem;
            font-style: italic;
        }