* { 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: #333;
            background: linear-gradient(135deg, #f5f7fa 0%, #e4edf5 100%);
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 15px;
        }
        a { color: #1a73e8; text-decoration: none; transition: color 0.3s; }
        a:hover { color: #d93025; }
        img { max-width: 100%; height: auto; display: block; }
        header { background: #fff; border-radius: 0 0 12px 12px; box-shadow: 0 4px 12px rgba(0,0,0,0.08); padding: 1.5rem; margin-bottom: 2rem; }
        .header-top { display: flex; justify-content: space-between; align-items: center; flex-wrap: wrap; }
        .my-logo {
            font-family: 'Comic Sans MS', cursive, sans-serif;
            font-size: 2.5rem;
            font-weight: bold;
            background: linear-gradient(45deg, #4285f4, #34a853, #fbbc05, #ea4335);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }
        .my-logo a { background: none; }
        .hamburger { display: none; font-size: 1.8rem; cursor: pointer; color: #555; }
        nav ul { display: flex; list-style: none; gap: 1.8rem; flex-wrap: wrap; }
        nav a { font-weight: 600; padding: 0.5rem 0.8rem; border-radius: 6px; }
        nav a:hover { background-color: #f1f3f4; }
        .breadcrumb { margin-top: 1.5rem; font-size: 0.9rem; color: #666; }
        .breadcrumb a { color: #666; }
        .breadcrumb a:hover { color: #1a73e8; }
        main { display: grid; grid-template-columns: 1fr 300px; gap: 2.5rem; margin-bottom: 3rem; }
        article { background: #fff; padding: 2.5rem; border-radius: 12px; box-shadow: 0 6px 18px rgba(0,0,0,0.05); }
        aside { background: #fff; padding: 1.8rem; border-radius: 12px; box-shadow: 0 6px 18px rgba(0,0,0,0.05); align-self: start; }
        h1 { font-size: 2.5rem; color: #202124; margin-bottom: 1.5rem; line-height: 1.2; border-left: 5px solid #34a853; padding-left: 1rem; }
        h2 { font-size: 1.8rem; color: #1a73e8; margin-top: 2.8rem; margin-bottom: 1.2rem; padding-bottom: 0.5rem; border-bottom: 2px solid #f1f3f4; }
        h3 { font-size: 1.4rem; color: #5f6368; margin-top: 2rem; margin-bottom: 1rem; }
        h4 { font-size: 1.1rem; color: #80868b; margin-top: 1.5rem; margin-bottom: 0.8rem; }
        p { margin-bottom: 1.5rem; text-align: justify; }
        .highlight { background-color: #f8f9fa; padding: 1.5rem; border-left: 4px solid #4285f4; border-radius: 0 8px 8px 0; margin: 1.8rem 0; }
        .emoji { font-size: 1.2em; margin-right: 0.3em; }
        .update-time { font-style: italic; color: #70757a; background: #f1f3f4; padding: 0.8rem; border-radius: 6px; margin: 2rem 0; display: inline-block; }
        .search-box, .comment-form, .rating-form { background: #f8f9fa; padding: 1.8rem; border-radius: 10px; margin: 2.5rem 0; }
        .search-box h3, .comment-form h3, .rating-form h3 { margin-top: 0; }
        input, textarea, select {
            width: 100%;
            padding: 0.9rem;
            margin: 0.8rem 0 1.5rem;
            border: 1px solid #dadce0;
            border-radius: 8px;
            font-size: 1rem;
            transition: border 0.3s;
        }
        input:focus, textarea:focus, select:focus { outline: none; border-color: #1a73e8; box-shadow: 0 0 0 3px rgba(26,115,232,0.2); }
        button {
            background: #1a73e8;
            color: white;
            border: none;
            padding: 0.9rem 2rem;
            border-radius: 8px;
            font-size: 1rem;
            font-weight: 600;
            cursor: pointer;
            transition: background 0.3s, transform 0.2s;
        }
        button:hover { background: #0d62d9; transform: translateY(-2px); }
        .stars { display: flex; gap: 0.5rem; margin: 1rem 0; font-size: 1.8rem; color: #dadce0; cursor: pointer; }
        .stars:hover .star { color: #fbbc05; }
        .star:hover ~ .star { color: #dadce0; }
        .star.active, .star:hover { color: #fbbc05; }
        .feature-img {
            width: 100%;
            max-width: 800px;
            margin: 2.5rem auto;
            border-radius: 12px;
            overflow: hidden;
            box-shadow: 0 10px 25px rgba(0,0,0,0.1);
            transition: transform 0.5s;
        }
        .feature-img:hover { transform: scale(1.02); }
        footer {
            background: #202124;
            color: #e8eaed;
            padding: 3rem 2rem;
            border-radius: 12px 12px 0 0;
            margin-top: 4rem;
            text-align: center;
        }
        friend-link {
            display: block;
            margin: 1.5rem 0;
            font-size: 1.1rem;
        }
        friend-link a {
            color: #8ab4f8;
            margin: 0 1rem;
        }
        friend-link a:hover { color: #fff; text-decoration: underline; }
        .copyright { margin-top: 2.5rem; padding-top: 1.5rem; border-top: 1px solid #3c4043; color: #9aa0a6; font-size: 0.9rem; }
        @media (max-width: 900px) {
            main { grid-template-columns: 1fr; }
            .hamburger { display: block; }
            nav ul {
                display: none;
                flex-direction: column;
                width: 100%;
                margin-top: 1.5rem;
                background: #fff;
                border-radius: 8px;
                padding: 1rem;
                box-shadow: 0 4px 12px rgba(0,0,0,0.1);
            }
            nav ul.active { display: flex; }
            h1 { font-size: 2rem; }
            h2 { font-size: 1.6rem; }
        }