* { margin: 0; padding: 0; box-sizing: border-box; }
        html { scroll-behavior: smooth; }
        body {
            font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
            line-height: 1.7;
            color: #333;
            background: linear-gradient(135deg, #f5f7fa 0%, #e4edf5 100%);
            min-height: 100vh;
            display: flex;
            flex-direction: column;
        }
        .site-header {
            background: linear-gradient(90deg, #1a237e 0%, #283593 50%, #3949ab 100%);
            color: white;
            padding: 1.2rem 2rem;
            box-shadow: 0 4px 20px rgba(0, 0, 0, 0.15);
            position: sticky;
            top: 0;
            z-index: 1000;
        }
        .header-container {
            display: flex;
            justify-content: space-between;
            align-items: center;
            max-width: 1400px;
            margin: 0 auto;
            width: 100%;
        }
        .my-logo {
            font-family: 'Arial Black', Gadget, sans-serif;
            font-size: 2.5rem;
            font-weight: 900;
            text-decoration: none;
            color: #FFD700;
            text-shadow: 2px 2px 0 #FF6D00, 4px 4px 8px rgba(0,0,0,0.4);
            letter-spacing: -1px;
            transition: all 0.3s ease;
        }
        .my-logo:hover {
            color: #fff;
            text-shadow: 2px 2px 0 #00BCD4, 4px 4px 12px rgba(0,0,0,0.5);
            transform: scale(1.05);
        }
        .my-logo span { color: #4FC3F7; }
        .main-nav ul {
            display: flex;
            list-style: none;
            gap: 2rem;
        }
        .main-nav a {
            color: #E3F2FD;
            text-decoration: none;
            font-weight: 600;
            font-size: 1.1rem;
            padding: 0.6rem 1rem;
            border-radius: 30px;
            transition: all 0.3s ease;
            display: flex;
            align-items: center;
            gap: 0.5rem;
        }
        .main-nav a:hover, .main-nav a:focus {
            background: rgba(255, 255, 255, 0.2);
            color: #FFF;
            transform: translateY(-2px);
        }
        .hamburger {
            display: none;
            background: none;
            border: none;
            color: white;
            font-size: 1.8rem;
            cursor: pointer;
        }
        .breadcrumb {
            background: #E8EAF6;
            padding: 1rem 2rem;
            font-size: 0.95rem;
            border-bottom: 1px solid #C5CAE9;
        }
        .breadcrumb ul {
            display: flex;
            flex-wrap: wrap;
            list-style: none;
            gap: 0.7rem;
            max-width: 1400px;
            margin: 0 auto;
        }
        .breadcrumb a {
            color: #3949ab;
            text-decoration: none;
        }
        .breadcrumb a:hover { text-decoration: underline; }
        .breadcrumb li:not(:last-child)::after {
            content: "›";
            margin-left: 0.7rem;
            color: #7986CB;
        }
        .main-content {
            flex: 1;
            max-width: 1400px;
            width: 100%;
            margin: 2rem auto;
            padding: 0 2rem;
            display: grid;
            grid-template-columns: 1fr 300px;
            gap: 3rem;
        }
        @media (max-width: 1024px) {
            .main-content { grid-template-columns: 1fr; }
        }
        article {
            background: white;
            border-radius: 20px;
            padding: 3rem;
            box-shadow: 0 10px 40px rgba(0, 0, 0, 0.08);
        }
        h1 {
            color: #1A237E;
            font-size: 3.2rem;
            margin-bottom: 1.5rem;
            line-height: 1.2;
            border-bottom: 4px solid #FFD700;
            padding-bottom: 1rem;
        }
        h2 {
            color: #283593;
            font-size: 2.2rem;
            margin: 2.5rem 0 1.2rem;
            padding-top: 1rem;
        }
        h3 {
            color: #3949ab;
            font-size: 1.7rem;
            margin: 2rem 0 1rem;
        }
        h4 {
            color: #5C6BC0;
            font-size: 1.3rem;
            margin: 1.5rem 0 0.8rem;
        }
        p {
            margin-bottom: 1.5rem;
            text-align: justify;
            font-size: 1.15rem;
        }
        .lead {
            font-size: 1.4rem;
            color: #555;
            font-weight: 500;
            background: #F3F5FD;
            padding: 1.5rem;
            border-left: 5px solid #FF9800;
            border-radius: 0 10px 10px 0;
            margin-bottom: 2.5rem;
        }
        .highlight {
            background: linear-gradient(120deg, #E1F5FE 0%, #FFF8E1 100%);
            padding: 2rem;
            border-radius: 15px;
            border: 2px dashed #29B6F6;
            margin: 2rem 0;
        }
        .feature-img {
            width: 100%;
            max-height: 500px;
            object-fit: cover;
            border-radius: 15px;
            margin: 2rem 0;
            box-shadow: 0 15px 30px rgba(0,0,0,0.15);
            transition: transform 0.5s ease;
        }
        .feature-img:hover { transform: scale(1.01); }
        .internal-link {
            color: #1A237E;
            font-weight: 600;
            text-decoration: none;
            border-bottom: 2px dotted #FF9800;
            padding-bottom: 2px;
            transition: all 0.2s;
        }
        .internal-link:hover {
            color: #FF6D00;
            border-bottom-style: solid;
        }
        .update-time {
            display: inline-block;
            background: #E8F5E9;
            color: #2E7D32;
            padding: 0.5rem 1rem;
            border-radius: 30px;
            font-size: 0.95rem;
            margin: 1rem 0 2rem;
        }
        .emoji { font-size: 1.3em; margin-right: 0.3rem; }
        .sidebar {
            display: flex;
            flex-direction: column;
            gap: 2rem;
        }
        .widget {
            background: white;
            border-radius: 15px;
            padding: 1.8rem;
            box-shadow: 0 8px 25px rgba(0,0,0,0.06);
        }
        .widget h3 {
            color: #1A237E;
            font-size: 1.5rem;
            margin-top: 0;
            border-bottom: 2px solid #FFD700;
            padding-bottom: 0.7rem;
        }
        .search-form input, .comment-form input, .comment-form textarea, .score-form select {
            width: 100%;
            padding: 1rem;
            margin-bottom: 1rem;
            border: 2px solid #E0E0E0;
            border-radius: 10px;
            font-size: 1rem;
            transition: border 0.3s;
        }
        .search-form input:focus, .comment-form input:focus, .comment-form textarea:focus, .score-form select:focus {
            border-color: #3949ab;
            outline: none;
        }
        .btn {
            background: linear-gradient(90deg, #FF9800, #FFB74D);
            color: white;
            border: none;
            padding: 1rem 2rem;
            border-radius: 10px;
            font-weight: bold;
            font-size: 1.1rem;
            cursor: pointer;
            transition: all 0.3s ease;
            width: 100%;
            display: flex;
            justify-content: center;
            align-items: center;
            gap: 0.7rem;
        }
        .btn:hover {
            background: linear-gradient(90deg, #F57C00, #FFA726);
            transform: translateY(-3px);
            box-shadow: 0 7px 15px rgba(255, 152, 0, 0.4);
        }
        .star-rating {
            display: flex;
            justify-content: center;
            gap: 0.5rem;
            margin: 1rem 0;
            font-size: 2rem;
            color: #FFD700;
        }
        .star-rating i { cursor: pointer; transition: transform 0.2s; }
        .star-rating i:hover { transform: scale(1.3); }
        .site-footer {
            background: #1A237E;
            color: #E8EAF6;
            padding: 3rem 2rem 1.5rem;
            margin-top: 3rem;
        }
        .footer-container {
            max-width: 1400px;
            margin: 0 auto;
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
            gap: 3rem;
        }
        .footer-logo {
            font-size: 2rem;
            font-weight: bold;
            color: #FFD700;
            margin-bottom: 1rem;
        }
        friend-link {
            display: block;
            background: rgba(255, 255, 255, 0.05);
            padding: 1.2rem;
            border-radius: 10px;
            margin-bottom: 1rem;
            transition: all 0.3s;
        }
        friend-link a {
            color: #8C9EFF;
            text-decoration: none;
            font-weight: 600;
            font-size: 1.1rem;
            display: flex;
            align-items: center;
            gap: 0.8rem;
        }
        friend-link:hover {
            background: rgba(255, 255, 255, 0.1);
            transform: translateX(5px);
        }
        .copyright {
            text-align: center;
            padding-top: 2rem;
            margin-top: 2rem;
            border-top: 1px solid #3949ab;
            font-size: 0.95rem;
            color: #9FA8DA;
        }
        @media (max-width: 768px) {
            .header-container { flex-wrap: wrap; }
            .main-nav {
                order: 3;
                width: 100%;
                margin-top: 1rem;
                display: none;
            }
            .main-nav.active { display: block; }
            .main-nav ul {
                flex-direction: column;
                gap: 0.5rem;
            }
            .hamburger { display: block; }
            h1 { font-size: 2.5rem; }
            h2 { font-size: 1.9rem; }
            article { padding: 2rem; }
            .main-content { padding: 0 1rem; gap: 2rem; }
            .footer-container { grid-template-columns: 1fr; }
        }
        @keyframes fadeIn {
            from { opacity: 0; transform: translateY(20px); }
            to { opacity: 1; transform: translateY(0); }
        }
        article, .widget { animation: fadeIn 0.8s ease-out; }