*,
        *::before,
        *::after {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }
        html {
            scroll-behavior: smooth;
            font-size: 16px;
        }
        body {
            font-family: 'Segoe UI', Roboto, -apple-system, BlinkMacSystemFont, 'Helvetica Neue', Arial, sans-serif;
            background: #0a0e17;
            color: #e8edf5;
            line-height: 1.8;
            min-height: 100vh;
            display: flex;
            flex-direction: column;
        }
        a {
            color: #4a9eff;
            text-decoration: none;
            transition: color 0.25s ease;
        }
        a:hover,
        a:focus-visible {
            color: #ffd700;
            text-decoration: underline;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
            border-radius: 12px;
        }
        ul,
        ol {
            padding-left: 1.5rem;
        }
        h1,
        h2,
        h3,
        h4,
        h5,
        h6 {
            font-weight: 700;
            line-height: 1.3;
            color: #ffffff;
            letter-spacing: 0.01em;
        }
        h1 {
            font-size: 2.4rem;
            margin-bottom: 1rem;
        }
        h2 {
            font-size: 1.9rem;
            margin: 2.8rem 0 1.2rem 0;
            border-left: 5px solid #ffd700;
            padding-left: 1rem;
        }
        h3 {
            font-size: 1.4rem;
            margin: 2rem 0 0.8rem 0;
            color: #ffd700;
        }
        h4 {
            font-size: 1.15rem;
            margin: 1.4rem 0 0.6rem 0;
            color: #b0c4de;
        }
        p {
            margin-bottom: 1.2rem;
            font-size: 1.05rem;
            color: #d0d8e8;
        }
        strong,
        b {
            color: #ffffff;
            font-weight: 700;
        }
        ::selection {
            background: #ffd700;
            color: #0a0e17;
        }
        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 1.5rem;
        }
        .site-header {
            background: #111927;
            border-bottom: 2px solid #2a3a5a;
            padding: 0.8rem 0;
            position: sticky;
            top: 0;
            z-index: 1000;
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
            background: rgba(17, 25, 39, 0.96);
        }
        .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, #ffd700, #f0a500);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
            letter-spacing: -0.5px;
            display: inline-flex;
            align-items: center;
            gap: 0.3rem;
        }
        .my-logo i {
            -webkit-text-fill-color: initial;
            color: #ffd700;
        }
        .my-logo:hover {
            opacity: 0.9;
            text-decoration: none;
        }
        .my-logo small {
            font-size: 0.7rem;
            -webkit-text-fill-color: initial;
            color: #7a8aaa;
            font-weight: 400;
            letter-spacing: 0.3px;
        }
        .nav-wrapper {
            display: flex;
            align-items: center;
            gap: 0.5rem;
        }
        .nav-list {
            display: flex;
            list-style: none;
            gap: 0.3rem;
            padding: 0;
            margin: 0;
        }
        .nav-list li a {
            display: block;
            padding: 0.5rem 1rem;
            border-radius: 8px;
            font-weight: 500;
            font-size: 0.95rem;
            color: #c8d0e0;
            transition: background 0.3s, color 0.3s;
        }
        .nav-list li a:hover,
        .nav-list li a:focus-visible {
            background: rgba(255, 215, 0, 0.12);
            color: #ffd700;
            text-decoration: none;
        }
        .hamburger {
            display: none;
            background: none;
            border: none;
            color: #ffd700;
            font-size: 1.8rem;
            cursor: pointer;
            padding: 0.3rem 0.6rem;
            border-radius: 6px;
            transition: background 0.3s;
        }
        .hamburger:hover {
            background: rgba(255, 215, 0, 0.1);
        }
        #nav-toggle {
            display: none;
        }
        .breadcrumb {
            background: #0d1420;
            padding: 0.7rem 0;
            border-bottom: 1px solid #1e2a40;
            font-size: 0.9rem;
        }
        .breadcrumb ol {
            display: flex;
            flex-wrap: wrap;
            list-style: none;
            padding: 0;
            margin: 0;
            gap: 0.3rem 0.6rem;
        }
        .breadcrumb li+li::before {
            content: "›";
            margin-right: 0.6rem;
            color: #5a6a8a;
        }
        .breadcrumb a {
            color: #7a8aaa;
        }
        .breadcrumb a:hover {
            color: #ffd700;
        }
        .breadcrumb .current {
            color: #ffd700;
        }
        .hero {
            padding: 3rem 0 2.5rem 0;
            text-align: center;
            background: radial-gradient(ellipse at 50% 0%, #1a2a4a 0%, #0a0e17 70%);
        }
        .hero h1 {
            font-size: 2.8rem;
            margin-bottom: 0.6rem;
            background: linear-gradient(135deg, #ffd700, #ffb300);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }
        .hero p {
            font-size: 1.2rem;
            max-width: 800px;
            margin: 0 auto 1.5rem auto;
            color: #b0c4de;
        }
        .hero-meta {
            font-size: 0.9rem;
            color: #7a8aaa;
            display: flex;
            justify-content: center;
            gap: 2rem;
            flex-wrap: wrap;
        }
        .hero-meta i {
            margin-right: 0.4rem;
            color: #ffd700;
        }
        .search-section {
            background: #111927;
            padding: 1.5rem 0;
            border-top: 1px solid #1e2a40;
            border-bottom: 1px solid #1e2a40;
        }
        .search-form {
            display: flex;
            max-width: 600px;
            margin: 0 auto;
            gap: 0.5rem;
            flex-wrap: wrap;
        }
        .search-form input[type="text"] {
            flex: 1;
            min-width: 180px;
            padding: 0.8rem 1.2rem;
            border-radius: 50px;
            border: 2px solid #2a3a5a;
            background: #0d1420;
            color: #e8edf5;
            font-size: 1rem;
            outline: none;
            transition: border-color 0.3s;
        }
        .search-form input[type="text"]:focus {
            border-color: #ffd700;
        }
        .search-form button {
            padding: 0.8rem 1.8rem;
            border-radius: 50px;
            border: none;
            background: linear-gradient(135deg, #ffd700, #f0a500);
            color: #0a0e17;
            font-weight: 700;
            font-size: 1rem;
            cursor: pointer;
            transition: transform 0.2s, box-shadow 0.3s;
            display: inline-flex;
            align-items: center;
            gap: 0.5rem;
        }
        .search-form button:hover {
            transform: scale(1.02);
            box-shadow: 0 0 25px rgba(255, 215, 0, 0.3);
        }
        .main-grid {
            display: grid;
            grid-template-columns: 1fr 300px;
            gap: 2.5rem;
            padding: 2.5rem 0;
        }
        .main-content {
            min-width: 0;
        }
        .sidebar {
            position: sticky;
            top: 100px;
            align-self: start;
            background: #111927;
            border-radius: 16px;
            padding: 1.8rem 1.5rem;
            border: 1px solid #1e2a40;
        }
        .sidebar h3 {
            margin-top: 0;
            font-size: 1.2rem;
            border-bottom: 2px solid #2a3a5a;
            padding-bottom: 0.6rem;
            margin-bottom: 1rem;
        }
        .sidebar ul {
            list-style: none;
            padding: 0;
        }
        .sidebar ul li {
            padding: 0.4rem 0;
            border-bottom: 1px solid #1a2440;
        }
        .sidebar ul li a {
            display: flex;
            align-items: center;
            gap: 0.5rem;
            color: #b0c4de;
        }
        .sidebar ul li a:hover {
            color: #ffd700;
        }
        .sidebar ul li a i {
            color: #ffd700;
            width: 1.2rem;
            font-size: 0.9rem;
        }
        .featured-image {
            margin: 2rem 0;
            border-radius: 16px;
            overflow: hidden;
            box-shadow: 0 8px 40px rgba(0, 0, 0, 0.6);
            background: #0d1420;
        }
        .featured-image img {
            width: 100%;
            height: auto;
            max-height: 500px;
            object-fit: cover;
        }
        .featured-image figcaption {
            padding: 0.8rem 1.2rem;
            font-size: 0.9rem;
            color: #7a8aaa;
            background: #0d1420;
            border-top: 1px solid #1e2a40;
        }
        .interaction-section {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 1.8rem;
            margin: 3rem 0;
        }
        .comment-box,
        .score-box {
            background: #111927;
            border-radius: 16px;
            padding: 1.8rem 1.8rem 2.2rem;
            border: 1px solid #1e2a40;
        }
        .comment-box h3,
        .score-box h3 {
            margin-top: 0;
            display: flex;
            align-items: center;
            gap: 0.6rem;
            font-size: 1.2rem;
        }
        .comment-box textarea {
            width: 100%;
            min-height: 100px;
            padding: 0.8rem 1rem;
            border-radius: 10px;
            border: 2px solid #2a3a5a;
            background: #0d1420;
            color: #e8edf5;
            font-size: 0.95rem;
            resize: vertical;
            outline: none;
            transition: border-color 0.3s;
            font-family: inherit;
        }
        .comment-box textarea:focus {
            border-color: #ffd700;
        }
        .comment-box input[type="text"] {
            width: 100%;
            padding: 0.7rem 1rem;
            border-radius: 10px;
            border: 2px solid #2a3a5a;
            background: #0d1420;
            color: #e8edf5;
            font-size: 0.95rem;
            outline: none;
            transition: border-color 0.3s;
            margin: 0.5rem 0;
        }
        .comment-box input[type="text"]:focus {
            border-color: #ffd700;
        }
        .comment-box button,
        .score-box button {
            padding: 0.7rem 2rem;
            border-radius: 50px;
            border: none;
            background: linear-gradient(135deg, #ffd700, #f0a500);
            color: #0a0e17;
            font-weight: 700;
            font-size: 1rem;
            cursor: pointer;
            transition: transform 0.2s, box-shadow 0.3s;
            margin-top: 0.8rem;
            display: inline-flex;
            align-items: center;
            gap: 0.5rem;
        }
        .comment-box button:hover,
        .score-box button:hover {
            transform: scale(1.02);
            box-shadow: 0 0 20px rgba(255, 215, 0, 0.25);
        }
        .star-rating {
            display: flex;
            flex-direction: row-reverse;
            justify-content: flex-end;
            gap: 0.3rem;
            margin: 0.8rem 0;
        }
        .star-rating input {
            display: none;
        }
        .star-rating label {
            font-size: 2rem;
            color: #2a3a5a;
            cursor: pointer;
            transition: color 0.2s;
        }
        .star-rating label:hover,
        .star-rating label:hover~label,
        .star-rating input:checked~label {
            color: #ffd700;
        }
        .toc {
            background: #111927;
            border-radius: 16px;
            padding: 1.5rem 2rem;
            margin: 2rem 0;
            border: 1px solid #1e2a40;
        }
        .toc h3 {
            margin-top: 0;
        }
        .toc ol {
            columns: 2;
            column-gap: 2rem;
            padding-left: 1.2rem;
        }
        .toc ol li {
            margin-bottom: 0.4rem;
            break-inside: avoid;
        }
        .toc ol li a {
            color: #b0c4de;
        }
        .toc ol li a:hover {
            color: #ffd700;
        }
        .site-footer {
            background: #080c14;
            border-top: 2px solid #1e2a40;
            padding: 2.5rem 0 1.5rem 0;
            margin-top: auto;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr;
            gap: 2rem;
        }
        .footer-grid h4 {
            color: #ffd700;
            margin-bottom: 0.8rem;
            font-size: 1.1rem;
        }
        .footer-grid ul {
            list-style: none;
            padding: 0;
        }
        .footer-grid ul li {
            padding: 0.25rem 0;
        }
        .footer-grid ul li a {
            color: #7a8aaa;
            font-size: 0.95rem;
        }
        .footer-grid ul li a:hover {
            color: #ffd700;
        }
        friend-link {
            display: block;
            padding: 1.2rem 0 0.5rem 0;
            border-top: 1px solid #1a2440;
            margin-top: 1.5rem;
        }
        friend-link a {
            display: inline-block;
            padding: 0.3rem 1rem;
            margin: 0.2rem 0.3rem;
            background: #111927;
            border-radius: 50px;
            font-size: 0.9rem;
            color: #b0c4de;
            border: 1px solid #2a3a5a;
            transition: all 0.3s;
        }
        friend-link a:hover {
            background: #ffd700;
            color: #0a0e17;
            border-color: #ffd700;
            text-decoration: none;
        }
        .copyright {
            text-align: center;
            padding-top: 1.5rem;
            margin-top: 1.5rem;
            border-top: 1px solid #1a2440;
            font-size: 0.85rem;
            color: #5a6a8a;
        }
        .copyright strong {
            color: #7a8aaa;
        }
        @media (max-width: 992px) {
            .main-grid {
                grid-template-columns: 1fr;
            }
            .sidebar {
                position: static;
                order: -1;
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
            }
            .toc ol {
                columns: 1;
            }
        }
        @media (max-width: 768px) {
            h1 {
                font-size: 2rem;
            }
            h2 {
                font-size: 1.5rem;
            }
            .hero h1 {
                font-size: 2rem;
            }
            .hero p {
                font-size: 1rem;
            }
            .nav-list {
                display: none;
                flex-direction: column;
                width: 100%;
                background: #111927;
                border-radius: 12px;
                padding: 0.8rem 0;
                margin-top: 0.8rem;
                border: 1px solid #2a3a5a;
            }
            .nav-list li a {
                padding: 0.7rem 1.2rem;
            }
            .hamburger {
                display: block;
            }
            #nav-toggle:checked~.nav-list {
                display: flex;
            }
            .header-inner {
                position: relative;
            }
            .nav-wrapper {
                flex-wrap: wrap;
                width: 100%;
            }
            #nav-toggle:checked~.nav-list {
                display: flex;
                width: 100%;
            }
            .interaction-section {
                grid-template-columns: 1fr;
            }
            .footer-grid {
                grid-template-columns: 1fr;
            }
            .breadcrumb ol {
                font-size: 0.8rem;
            }
            .search-form {
                flex-direction: column;
            }
            .search-form button {
                width: 100%;
                justify-content: center;
            }
            .hero-meta {
                flex-direction: column;
                gap: 0.4rem;
            }
        }
        @media (max-width: 480px) {
            .container {
                padding: 0 1rem;
            }
            h1 {
                font-size: 1.6rem;
            }
            h2 {
                font-size: 1.3rem;
            }
            .my-logo {
                font-size: 1.4rem;
            }
            .sidebar {
                padding: 1.2rem;
            }
            .comment-box,
            .score-box {
                padding: 1.2rem;
            }
        }
        ::-webkit-scrollbar {
            width: 8px;
            height: 8px;
        }
        ::-webkit-scrollbar-track {
            background: #0a0e17;
        }
        ::-webkit-scrollbar-thumb {
            background: #2a3a5a;
            border-radius: 4px;
        }
        ::-webkit-scrollbar-thumb:hover {
            background: #4a6a8a;
        }
        .highlight {
            color: #ffd700;
        }
        .text-small {
            font-size: 0.9rem;
            color: #7a8aaa;
        }
        .mt-1 {
            margin-top: 1rem;
        }
        .mb-1 {
            margin-bottom: 1rem;
        }
        .flex-center {
            display: flex;
            align-items: center;
            gap: 0.5rem;
        }
        .badge {
            display: inline-block;
            background: #ffd700;
            color: #0a0e17;
            font-size: 0.7rem;
            font-weight: 700;
            padding: 0.2rem 0.6rem;
            border-radius: 50px;
            letter-spacing: 0.3px;
        }