* { 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: #e0e0e0;
            background: linear-gradient(135deg, #0a0f1a 0%, #1a2332 100%);
            min-height: 100vh;
            overflow-x: hidden;
        }
        img { max-width: 100%; height: auto; display: block; }
        h1, h2, h3, h4 { font-weight: 800; color: #f0b400; margin-bottom: 1rem; line-height: 1.2; }
        h1 { font-size: clamp(2.5rem, 5vw, 3.8rem); margin-top: 1.5rem; text-shadow: 0 2px 5px rgba(0,0,0,0.7); }
        h2 { font-size: clamp(2rem, 4vw, 2.8rem); border-left: 5px solid #3a7bd5; padding-left: 1rem; margin-top: 3rem; }
        h3 { font-size: clamp(1.6rem, 3vw, 2.2rem); color: #4da6ff; margin-top: 2.5rem; }
        h4 { font-size: clamp(1.3rem, 2.5vw, 1.8rem); color: #80d4ff; margin-top: 2rem; }
        p, li { font-size: 1.1rem; margin-bottom: 1.2rem; }
        a { color: #3a7bd5; text-decoration: none; transition: color 0.3s ease, text-shadow 0.3s ease; }
        a:hover { color: #80d4ff; text-shadow: 0 0 8px rgba(58, 123, 213, 0.5); }
        strong { color: #ffcc00; font-weight: 700; }
        em { color: #b3e0ff; font-style: italic; }
        .container {
            width: 100%;
            max-width: 1280px;
            margin: 0 auto;
            padding: 0 1.5rem;
        }
        main.container { padding-top: 2rem; padding-bottom: 4rem; }
        .site-header {
            background: rgba(10, 15, 26, 0.95);
            backdrop-filter: blur(10px);
            border-bottom: 1px solid #2a3a5a;
            position: sticky;
            top: 0;
            z-index: 1000;
            padding: 1rem 0;
        }
        .header-inner {
            display: flex;
            justify-content: space-between;
            align-items: center;
        }
        .my-logo {
            font-family: 'Impact', 'Arial Black', sans-serif;
            font-size: 2.2rem;
            color: #f0b400;
            text-decoration: none;
            display: flex;
            align-items: center;
            gap: 0.8rem;
        }
        .my-logo:hover { color: #ffd700; }
        .my-logo i { font-size: 2.5rem; }
        .nav-desktop {
            display: flex;
            gap: 2rem;
        }
        @media (max-width: 768px) {
            .nav-desktop { display: none; }
        }
        .nav-desktop a {
            color: #b3c7e6;
            font-weight: 600;
            padding: 0.5rem 0;
            border-bottom: 2px solid transparent;
        }
        .nav-desktop a:hover, .nav-desktop a.active {
            color: #f0b400;
            border-bottom-color: #f0b400;
        }
        .hamburger {
            display: none;
            background: none;
            border: none;
            color: #f0b400;
            font-size: 1.8rem;
            cursor: pointer;
            padding: 0.5rem;
        }
        @media (max-width: 768px) {
            .hamburger { display: block; }
        }
        .nav-mobile {
            display: none;
            flex-direction: column;
            background: rgba(20, 28, 44, 0.98);
            position: absolute;
            top: 100%;
            left: 0;
            right: 0;
            border-top: 1px solid #2a3a5a;
            padding: 1rem;
            box-shadow: 0 10px 20px rgba(0,0,0,0.5);
        }
        .nav-mobile.active { display: flex; }
        .nav-mobile a {
            color: #b3c7e6;
            padding: 1rem;
            border-bottom: 1px solid #2a3a5a;
            font-weight: 600;
        }
        .nav-mobile a:last-child { border-bottom: none; }
        .nav-mobile a:hover { color: #f0b400; background: rgba(58, 123, 213, 0.1); }
        .breadcrumb {
            background: rgba(30, 40, 60, 0.6);
            padding: 0.8rem 1.5rem;
            margin-top: 0.5rem;
            border-radius: 4px;
            font-size: 0.95rem;
        }
        .breadcrumb a { color: #80d4ff; }
        .breadcrumb span { color: #cccccc; }
        .search-box {
            background: rgba(30, 40, 60, 0.7);
            border-radius: 50px;
            padding: 0.8rem 1.5rem;
            margin: 2.5rem auto;
            max-width: 700px;
            display: flex;
            border: 1px solid #3a7bd5;
            box-shadow: 0 5px 15px rgba(0, 0, 0, 0.3);
        }
        .search-box input {
            flex: 1;
            background: transparent;
            border: none;
            color: #fff;
            font-size: 1.1rem;
            outline: none;
            padding: 0.5rem;
        }
        .search-box button {
            background: #3a7bd5;
            color: white;
            border: none;
            border-radius: 50%;
            width: 45px;
            height: 45px;
            cursor: pointer;
            transition: background 0.3s, transform 0.2s;
            display: flex;
            align-items: center;
            justify-content: center;
        }
        .search-box button:hover {
            background: #2a6bc5;
            transform: scale(1.05);
        }
        .article-content {
            background: rgba(25, 33, 52, 0.7);
            border-radius: 12px;
            padding: 2.5rem;
            margin-top: 2rem;
            border: 1px solid #3a5566;
            box-shadow: 0 10px 30px rgba(0, 0, 0, 0.4);
        }
        .article-meta {
            display: flex;
            justify-content: space-between;
            align-items: center;
            flex-wrap: wrap;
            gap: 1rem;
            color: #aaa;
            font-size: 0.95rem;
            border-bottom: 1px dashed #3a5566;
            padding-bottom: 1.2rem;
            margin-bottom: 2.5rem;
        }
        .update-time { color: #4da6ff; }
        .featured-img {
            width: 100%;
            border-radius: 10px;
            overflow: hidden;
            margin: 2.5rem 0;
            border: 3px solid #3a7bd5;
            box-shadow: 0 8px 20px rgba(0, 0, 0, 0.5);
        }
        .img-caption {
            text-align: center;
            font-style: italic;
            color: #aaa;
            margin-top: 0.5rem;
            font-size: 0.95rem;
        }
        .content-section {
            margin-bottom: 3rem;
        }
        .highlight-box {
            background: linear-gradient(to right, rgba(58, 123, 213, 0.15), rgba(20, 30, 48, 0.7));
            border-left: 5px solid #f0b400;
            padding: 1.8rem;
            margin: 2rem 0;
            border-radius: 0 8px 8px 0;
        }
        ul, ol { padding-left: 2rem; margin-bottom: 1.5rem; }
        li { margin-bottom: 0.7rem; }
        blockquote {
            font-style: italic;
            color: #b3e0ff;
            border-left: 4px solid #f0b400;
            padding-left: 1.5rem;
            margin: 2rem 0 2rem 1.5rem;
            font-size: 1.2rem;
        }
        .interaction-module {
            background: rgba(30, 40, 60, 0.8);
            border-radius: 12px;
            padding: 2rem;
            margin-top: 4rem;
            border: 1px solid #3a5566;
        }
        .rating-section, .comment-section {
            margin-bottom: 3rem;
        }
        .stars {
            display: flex;
            gap: 0.5rem;
            margin: 1rem 0;
        }
        .star {
            font-size: 2rem;
            color: #555;
            cursor: pointer;
            transition: color 0.2s, transform 0.2s;
        }
        .star:hover, .star.active { color: #ffcc00; transform: scale(1.1); }
        .rating-form, .comment-form {
            display: grid;
            gap: 1.2rem;
            margin-top: 1.5rem;
        }
        input, textarea, select {
            width: 100%;
            padding: 1rem;
            background: rgba(20, 28, 44, 0.9);
            border: 1px solid #3a5566;
            border-radius: 6px;
            color: #fff;
            font-size: 1rem;
            transition: border 0.3s;
        }
        input:focus, textarea:focus, select:focus {
            outline: none;
            border-color: #3a7bd5;
            box-shadow: 0 0 0 2px rgba(58, 123, 213, 0.3);
        }
        button[type="submit"] {
            background: linear-gradient(to right, #3a7bd5, #00d2ff);
            color: white;
            border: none;
            padding: 1rem 2rem;
            border-radius: 6px;
            font-weight: bold;
            cursor: pointer;
            transition: transform 0.3s, box-shadow 0.3s;
            justify-self: start;
        }
        button[type="submit"]:hover {
            transform: translateY(-3px);
            box-shadow: 0 7px 15px rgba(58, 123, 213, 0.4);
        }
        .site-footer {
            background: rgba(10, 15, 26, 0.98);
            border-top: 1px solid #2a3a5a;
            padding: 3rem 0 2rem;
            margin-top: 4rem;
        }
        .footer-content {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
            gap: 2.5rem;
            margin-bottom: 2.5rem;
        }
        .footer-section h4 {
            color: #f0b400;
            font-size: 1.3rem;
            margin-bottom: 1.5rem;
            padding-bottom: 0.5rem;
            border-bottom: 2px solid #3a7bd5;
        }
        .footer-links a {
            display: block;
            color: #b3c7e6;
            margin-bottom: 0.8rem;
            padding: 0.3rem 0;
            border-left: 3px solid transparent;
            padding-left: 0.7rem;
            transition: all 0.3s;
        }
        .footer-links a:hover {
            color: #80d4ff;
            border-left-color: #80d4ff;
            padding-left: 1rem;
        }
        friend-link {
            display: block;
            background: rgba(30, 40, 60, 0.6);
            padding: 1.5rem;
            border-radius: 8px;
            margin: 1rem 0;
            border-left: 5px solid #f0b400;
        }
        friend-link a {
            font-weight: bold;
            font-size: 1.1rem;
        }
        .copyright {
            text-align: center;
            padding-top: 2rem;
            border-top: 1px solid #2a3a5a;
            color: #888;
            font-size: 0.9rem;
        }