* {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
            font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
        }
        html {
            scroll-behavior: smooth;
        }
        body {
            background-color: #0c1623;
            color: #e0e7ff;
            line-height: 1.7;
            display: flex;
            flex-direction: column;
            min-height: 100vh;
        }
        a {
            color: #6ab3ff;
            text-decoration: none;
            transition: color 0.3s ease, transform 0.2s ease;
        }
        a:hover {
            color: #ffcc5c;
            transform: translateY(-1px);
        }
        img {
            max-width: 100%;
            height: auto;
            border-radius: 8px;
            display: block;
        }
        .container {
            width: 100%;
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
        }
        .site-header {
            background: linear-gradient(135deg, #1a2b3e 0%, #0c1623 100%);
            padding: 1.2rem 0;
            border-bottom: 3px solid #2a4d7a;
            position: sticky;
            top: 0;
            z-index: 1000;
            box-shadow: 0 5px 20px rgba(0, 0, 0, 0.5);
        }
        .header-content {
            display: flex;
            justify-content: space-between;
            align-items: center;
        }
        .my-logo {
            font-size: 2.5rem;
            font-weight: 900;
            background: linear-gradient(90deg, #ffcc5c, #6ab3ff);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
            text-shadow: 0 2px 4px rgba(0, 0, 0, 0.3);
            letter-spacing: 1px;
        }
        .my-logo:hover {
            transform: scale(1.05);
        }
        .desktop-nav {
            display: flex;
            gap: 2rem;
        }
        .desktop-nav a {
            padding: 0.5rem 1rem;
            border-radius: 5px;
            font-weight: 600;
            background-color: rgba(42, 77, 122, 0.3);
        }
        .desktop-nav a:hover {
            background-color: #2a4d7a;
        }
        .mobile-nav-toggle {
            display: none;
            background: none;
            border: none;
            color: #e0e7ff;
            font-size: 1.8rem;
            cursor: pointer;
        }
        .mobile-nav {
            display: none;
            flex-direction: column;
            background-color: #1a2b3e;
            position: absolute;
            top: 100%;
            left: 0;
            width: 100%;
            padding: 1rem;
            border-top: 2px solid #2a4d7a;
            box-shadow: 0 10px 20px rgba(0,0,0,0.5);
        }
        .mobile-nav.active {
            display: flex;
        }
        .mobile-nav a {
            padding: 0.8rem;
            border-bottom: 1px solid #2a4d7a;
        }
        .mobile-nav a:last-child {
            border-bottom: none;
        }
        .breadcrumb {
            padding: 1rem 0;
            background-color: #14202e;
            font-size: 0.9rem;
        }
        .breadcrumb a {
            color: #8bb9fe;
        }
        .breadcrumb span {
            color: #a0b3d8;
        }
        main {
            flex: 1;
            padding: 2rem 0;
        }
        .content-grid {
            display: grid;
            grid-template-columns: 1fr 300px;
            gap: 2.5rem;
        }
        @media (max-width: 992px) {
            .content-grid {
                grid-template-columns: 1fr;
            }
        }
        article {
            background: linear-gradient(to bottom, #152435, #0e1a29);
            padding: 2.5rem;
            border-radius: 15px;
            box-shadow: 0 10px 30px rgba(0, 0, 0, 0.4);
            border: 1px solid #2a4d7a;
        }
        h1 {
            font-size: 3rem;
            color: #ffcc5c;
            margin-bottom: 1.5rem;
            line-height: 1.2;
            text-shadow: 2px 2px 4px #000;
        }
        h2 {
            font-size: 2.2rem;
            color: #6ab3ff;
            margin: 2.5rem 0 1.2rem;
            padding-bottom: 0.5rem;
            border-bottom: 2px solid #2a4d7a;
        }
        h3 {
            font-size: 1.8rem;
            color: #8bb9fe;
            margin: 2rem 0 1rem;
        }
        h4 {
            font-size: 1.4rem;
            color: #a0c8ff;
            margin: 1.5rem 0 0.8rem;
        }
        p {
            margin-bottom: 1.5rem;
            font-size: 1.1rem;
            text-align: justify;
        }
        .highlight {
            background-color: rgba(42, 77, 122, 0.3);
            border-left: 4px solid #ffcc5c;
            padding: 1.5rem;
            margin: 1.5rem 0;
            border-radius: 0 8px 8px 0;
        }
        .wallpaper-showcase {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
            gap: 1.5rem;
            margin: 2rem 0;
        }
        .wallpaper-item {
            background-color: #1a2b3e;
            border-radius: 10px;
            overflow: hidden;
            transition: transform 0.3s ease, box-shadow 0.3s ease;
            border: 2px solid transparent;
        }
        .wallpaper-item:hover {
            transform: translateY(-10px);
            box-shadow: 0 15px 25px rgba(0, 0, 0, 0.6);
            border-color: #6ab3ff;
        }
        .wallpaper-item img {
            width: 100%;
            height: 180px;
            object-fit: cover;
        }
        .wallpaper-caption {
            padding: 1rem;
            font-size: 0.95rem;
        }
        .update-time {
            text-align: right;
            font-style: italic;
            color: #a0b3d8;
            margin-top: 3rem;
            padding-top: 1rem;
            border-top: 1px dashed #2a4d7a;
        }
        aside {
            display: flex;
            flex-direction: column;
            gap: 2rem;
        }
        .sidebar-widget {
            background-color: #152435;
            padding: 1.5rem;
            border-radius: 10px;
            border: 1px solid #2a4d7a;
        }
        .sidebar-widget h3 {
            font-size: 1.5rem;
            margin-top: 0;
            margin-bottom: 1rem;
            color: #ffcc5c;
        }
        .search-form input,
        .comment-form textarea,
        .score-form select {
            width: 100%;
            padding: 0.8rem;
            margin-bottom: 1rem;
            background-color: #1a2b3e;
            border: 1px solid #2a4d7a;
            border-radius: 5px;
            color: #e0e7ff;
        }
        .search-form button,
        .comment-form button,
        .score-form button {
            width: 100%;
            padding: 0.8rem;
            background: linear-gradient(90deg, #2a4d7a, #3a6bac);
            color: white;
            border: none;
            border-radius: 5px;
            font-weight: bold;
            cursor: pointer;
            transition: background 0.3s ease;
        }
        .search-form button:hover,
        .comment-form button:hover,
        .score-form button:hover {
            background: linear-gradient(90deg, #3a6bac, #4a8bdc);
        }
        .related-links ul {
            list-style: none;
        }
        .related-links li {
            margin-bottom: 0.8rem;
            padding-left: 1.2rem;
            position: relative;
        }
        .related-links li:before {
            content: '▶';
            position: absolute;
            left: 0;
            color: #6ab3ff;
            font-size: 0.8rem;
        }
        footer {
            background: linear-gradient(to bottom, #0c1623, #080f18);
            padding: 2.5rem 0 1.5rem;
            margin-top: 3rem;
            border-top: 3px solid #2a4d7a;
        }
        .footer-content {
            display: flex;
            flex-wrap: wrap;
            justify-content: space-between;
            gap: 2rem;
            margin-bottom: 2rem;
        }
        .footer-section {
            flex: 1;
            min-width: 250px;
        }
        .footer-section h4 {
            color: #ffcc5c;
            margin-bottom: 1.2rem;
            font-size: 1.3rem;
        }
        friend-link {
            display: inline-block;
            background-color: rgba(42, 77, 122, 0.4);
            padding: 0.5rem 1rem;
            margin: 0.3rem;
            border-radius: 5px;
            border: 1px solid #2a4d7a;
        }
        .copyright {
            text-align: center;
            padding-top: 1.5rem;
            border-top: 1px solid #2a4d7a;
            color: #8aa2c4;
            font-size: 0.9rem;
        }
        @media (max-width: 768px) {
            h1 { font-size: 2.5rem; }
            h2 { font-size: 2rem; }
            h3 { font-size: 1.6rem; }
            article { padding: 1.5rem; }
            .desktop-nav { display: none; }
            .mobile-nav-toggle { display: block; }
            .header-content { padding: 0 10px; }
        }
        @media (max-width: 480px) {
            .container { padding: 0 15px; }
            h1 { font-size: 2rem; }
            .wallpaper-showcase {
                grid-template-columns: 1fr;
            }
        }