*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
        html { scroll-behavior: smooth; font-size: 16px; }
        body {
            font-family: 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
            background: #0b0d17;
            color: #e4e6f0;
            line-height: 1.75;
            min-height: 100vh;
            display: flex;
            flex-direction: column;
        }
        a { color: #6c8cff; text-decoration: none; transition: color 0.2s; }
        a:hover { color: #a0b8ff; text-decoration: underline; }
        img { max-width: 100%; height: auto; display: block; border-radius: 12px; }
        h1, h2, h3, h4, h5, h6 { font-weight: 700; line-height: 1.25; color: #f0f4ff; letter-spacing: -0.01em; }
        h1 { font-size: 2.8rem; margin-bottom: 1.2rem; }
        h2 { font-size: 2.1rem; margin: 2.8rem 0 1.2rem; border-left: 5px solid #6c8cff; padding-left: 1rem; }
        h3 { font-size: 1.6rem; margin: 2rem 0 0.8rem; color: #c8d6ff; }
        h4 { font-size: 1.25rem; margin: 1.6rem 0 0.6rem; color: #aab9f0; }
        p { margin-bottom: 1.2rem; }
        ul, ol { margin: 0.8rem 0 1.6rem 1.6rem; }
        li { margin-bottom: 0.4rem; }
        strong { color: #ffd866; font-weight: 600; }
        em { color: #b0c4ff; font-style: italic; }
        hr { border: none; border-top: 1px solid #2a2e4a; margin: 2.4rem 0; }
        .container { max-width: 1200px; margin: 0 auto; padding: 0 1.5rem; width: 100%; }
        .site-header {
            background: linear-gradient(135deg, #0f1328 0%, #1a1f3a 100%);
            border-bottom: 2px solid #2a2e5a;
            padding: 0.8rem 0;
            position: sticky;
            top: 0;
            z-index: 1000;
            backdrop-filter: blur(12px);
            box-shadow: 0 4px 30px rgba(0,0,0,0.6);
        }
        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
        }
        .my-logo {
            font-size: 1.8rem;
            font-weight: 800;
            background: linear-gradient(135deg, #ffd866, #ff9a6c);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
            letter-spacing: -0.03em;
            text-shadow: 0 0 30px rgba(255,216,102,0.15);
            transition: transform 0.2s;
        }
        .my-logo:hover { transform: scale(1.02); text-decoration: none; }
        .my-logo small { font-size: 0.5rem; display: block; -webkit-text-fill-color: #8899cc; color: #8899cc; font-weight: 400; letter-spacing: 0.1em; }
        .main-nav { display: flex; align-items: center; gap: 1.2rem; }
        .main-nav a {
            color: #c8d0f0;
            font-weight: 500;
            padding: 0.4rem 0.8rem;
            border-radius: 8px;
            transition: background 0.2s, color 0.2s;
            font-size: 0.95rem;
        }
        .main-nav a:hover { background: #2a2e5a; color: #ffd866; text-decoration: none; }
        .hamburger {
            display: none;
            background: none;
            border: none;
            color: #e4e6f0;
            font-size: 1.8rem;
            cursor: pointer;
            padding: 0.2rem 0.6rem;
            border-radius: 6px;
            transition: background 0.2s;
        }
        .hamburger:hover { background: #2a2e5a; }
        #nav-toggle { display: none; }
        .breadcrumb {
            padding: 0.8rem 0 0.4rem;
            font-size: 0.9rem;
            color: #8899cc;
            display: flex;
            flex-wrap: wrap;
            gap: 0.4rem 0.8rem;
        }
        .breadcrumb a { color: #6c8cff; }
        .breadcrumb a:hover { color: #a0b8ff; }
        .breadcrumb .sep { color: #3a4060; }
        .hero {
            background: radial-gradient(ellipse at 30% 40%, #1a1f3a 0%, #0b0d17 80%);
            padding: 3rem 0 2.5rem;
            text-align: center;
            border-bottom: 1px solid #2a2e4a;
        }
        .hero h1 { font-size: 3.2rem; margin-bottom: 0.8rem; }
        .hero p { font-size: 1.2rem; max-width: 780px; margin: 0 auto 1.2rem; color: #b0c4dd; }
        .hero .meta { font-size: 0.95rem; color: #6a7a9a; display: flex; justify-content: center; gap: 2rem; flex-wrap: wrap; }
        .search-form { display: flex; max-width: 520px; margin: 1.6rem auto 0; gap: 0.4rem; }
        .search-form input {
            flex: 1;
            padding: 0.7rem 1.2rem;
            border-radius: 40px;
            border: 2px solid #2a2e5a;
            background: #0f1328;
            color: #e4e6f0;
            font-size: 1rem;
            outline: none;
            transition: border-color 0.2s;
        }
        .search-form input:focus { border-color: #6c8cff; }
        .search-form button {
            background: #6c8cff;
            border: none;
            border-radius: 40px;
            padding: 0.7rem 1.6rem;
            color: #fff;
            font-weight: 600;
            cursor: pointer;
            transition: background 0.2s, transform 0.1s;
            font-size: 1rem;
        }
        .search-form button:hover { background: #5a7ae8; transform: scale(1.02); }
        .main-grid {
            display: grid;
            grid-template-columns: 1fr 300px;
            gap: 2.4rem;
            padding: 2.4rem 0;
        }
        .content-area { min-width: 0; }
        .sidebar { position: sticky; top: 100px; align-self: start; }
        .sidebar-card {
            background: #13172e;
            border-radius: 16px;
            padding: 1.6rem;
            margin-bottom: 1.6rem;
            border: 1px solid #2a2e4a;
        }
        .sidebar-card h3 { font-size: 1.3rem; margin-top: 0; margin-bottom: 1rem; border-left: 3px solid #6c8cff; padding-left: 0.8rem; }
        .sidebar-card ul { list-style: none; margin: 0; padding: 0; }
        .sidebar-card li { margin-bottom: 0.6rem; }
        .sidebar-card li a { display: block; padding: 0.4rem 0.6rem; border-radius: 6px; transition: background 0.15s; font-size: 0.95rem; }
        .sidebar-card li a:hover { background: #1f2448; text-decoration: none; }
        .comment-section, .score-section {
            background: #13172e;
            border-radius: 16px;
            padding: 2rem;
            margin: 2.4rem 0;
            border: 1px solid #2a2e4a;
        }
        .comment-section h3, .score-section h3 { margin-top: 0; }
        .comment-form, .score-form { display: flex; flex-direction: column; gap: 1rem; margin-top: 1.2rem; }
        .comment-form textarea, .comment-form input, .score-form input, .score-form select {
            padding: 0.8rem 1rem;
            border-radius: 10px;
            border: 2px solid #2a2e5a;
            background: #0b0d17;
            color: #e4e6f0;
            font-size: 1rem;
            outline: none;
            transition: border-color 0.2s;
            width: 100%;
        }
        .comment-form textarea:focus, .comment-form input:focus, .score-form input:focus, .score-form select:focus { border-color: #6c8cff; }
        .comment-form button, .score-form button {
            align-self: flex-start;
            background: #6c8cff;
            border: none;
            border-radius: 40px;
            padding: 0.7rem 2rem;
            color: #fff;
            font-weight: 600;
            cursor: pointer;
            transition: background 0.2s;
            font-size: 1rem;
        }
        .comment-form button:hover, .score-form button:hover { background: #5a7ae8; }
        friend-link {
            display: block;
            padding: 1.6rem 0;
            border-top: 1px solid #2a2e4a;
            margin-top: 1.6rem;
        }
        friend-link h3 { font-size: 1.2rem; margin-bottom: 0.8rem; border: none; padding: 0; }
        friend-link a {
            display: inline-block;
            margin: 0.3rem 0.8rem 0.3rem 0;
            padding: 0.3rem 0.8rem;
            background: #1a1f3a;
            border-radius: 20px;
            font-size: 0.9rem;
            color: #a0b8ff;
            transition: background 0.2s;
        }
        friend-link a:hover { background: #2a2e5a; text-decoration: none; }
        .site-footer {
            background: #0a0c1a;
            border-top: 2px solid #1a1f3a;
            padding: 2.4rem 0 1.6rem;
            margin-top: auto;
            text-align: center;
            color: #5a6a8a;
            font-size: 0.9rem;
        }
        .site-footer .copyright { margin-top: 0.8rem; color: #3a4a6a; }
        @media (max-width: 900px) {
            .main-grid { grid-template-columns: 1fr; }
            .sidebar { position: static; }
            h1 { font-size: 2.2rem; }
            .hero h1 { font-size: 2.4rem; }
        }
        @media (max-width: 700px) {
            .main-nav { display: none; flex-direction: column; width: 100%; background: #0f1328; padding: 1rem 0; border-top: 1px solid #2a2e4a; margin-top: 0.8rem; }
            .main-nav a { padding: 0.6rem 1rem; }
            .hamburger { display: block; }
            #nav-toggle:checked ~ .main-nav { display: flex; }
            .header-inner { position: relative; }
            .hero h1 { font-size: 1.8rem; }
            .search-form { flex-direction: column; }
            .search-form button { width: 100%; }
            .breadcrumb { font-size: 0.8rem; }
            .comment-section, .score-section { padding: 1.2rem; }
        }
        @media (max-width: 480px) {
            html { font-size: 15px; }
            .container { padding: 0 1rem; }
            h1 { font-size: 1.8rem; }
            h2 { font-size: 1.5rem; }
            .my-logo { font-size: 1.4rem; }
        }
        .text-accent { color: #ffd866; }
        .badge { display: inline-block; background: #2a2e5a; padding: 0.2rem 0.8rem; border-radius: 20px; font-size: 0.8rem; color: #b0c4ff; }
        .card-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(260px, 1fr)); gap: 1.6rem; margin: 1.6rem 0; }
        .feature-img { margin: 1.6rem 0; border-radius: 16px; box-shadow: 0 8px 40px rgba(0,0,0,0.5); }
        .table-wrap { overflow-x: auto; margin: 1.6rem 0; }
        table { width: 100%; border-collapse: collapse; background: #13172e; border-radius: 12px; overflow: hidden; }
        th, td { padding: 0.8rem 1rem; text-align: left; border-bottom: 1px solid #2a2e4a; }
        th { background: #1a1f3a; color: #ffd866; font-weight: 600; }
        tr:hover td { background: #1a1f3a; }
        .blockquote {
            border-left: 4px solid #6c8cff;
            padding: 1rem 1.6rem;
            margin: 1.6rem 0;
            background: #13172e;
            border-radius: 0 12px 12px 0;
            font-style: italic;
            color: #c8d6ff;
        }