* { margin: 0; padding: 0; box-sizing: border-box; }
        html { scroll-behavior: smooth; }
        body {
            font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
            line-height: 1.7;
            color: #e0e0e0;
            background: linear-gradient(135deg, #0f1520 0%, #1a2332 100%);
            min-height: 100vh;
            padding-bottom: 2rem;
        }
        a { color: #4fc3f7; text-decoration: none; transition: color 0.3s, transform 0.2s; }
        a:hover { color: #29b6f6; transform: translateY(-2px); }
        img { max-width: 100%; height: auto; display: block; }
        .site-header {
            background: rgba(15, 21, 32, 0.95);
            backdrop-filter: blur(10px);
            border-bottom: 2px solid #4fc3f7;
            position: sticky;
            top: 0;
            z-index: 1000;
            padding: 1rem 2rem;
        }
        .header-container {
            max-width: 1280px;
            margin: 0 auto;
            display: flex;
            justify-content: space-between;
            align-items: center;
            flex-wrap: wrap;
        }
        .my-logo {
            font-family: 'Arial Black', Impact, sans-serif;
            font-size: 2.2rem;
            background: linear-gradient(to right, #4fc3f7, #29b6f6, #00bcd4);
            -webkit-background-clip: text;
            background-clip: text;
            color: transparent;
            text-shadow: 0 0 15px rgba(79, 195, 247, 0.3);
            letter-spacing: 1px;
        }
        .my-logo:hover { transform: scale(1.05); }
        #nav-toggle { display: none; }
        .hamburger-label {
            display: none;
            font-size: 1.8rem;
            color: #4fc3f7;
            cursor: pointer;
            padding: 0.5rem;
        }
        .main-nav ul {
            display: flex;
            list-style: none;
            gap: 2rem;
        }
        .main-nav a {
            color: #b0bec5;
            font-weight: 600;
            padding: 0.5rem 0;
            border-bottom: 2px solid transparent;
        }
        .main-nav a:hover { color: #4fc3f7; border-bottom-color: #4fc3f7; }
        .breadcrumb {
            max-width: 1280px;
            margin: 1rem auto 2rem;
            padding: 0 2rem;
            font-size: 0.9rem;
            color: #90a4ae;
        }
        .breadcrumb a { color: #90a4ae; }
        .breadcrumb a:hover { color: #4fc3f7; }
        .search-container {
            max-width: 1280px;
            margin: 2rem auto;
            padding: 0 2rem;
        }
        .search-form {
            display: flex;
            max-width: 600px;
            margin: 0 auto;
            border-radius: 50px;
            overflow: hidden;
            box-shadow: 0 5px 15px rgba(0,0,0,0.3);
        }
        .search-input {
            flex-grow: 1;
            padding: 1rem 1.5rem;
            border: none;
            background: #263238;
            color: #fff;
            font-size: 1rem;
        }
        .search-btn {
            padding: 1rem 2rem;
            background: linear-gradient(to right, #00bcd4, #4fc3f7);
            border: none;
            color: white;
            font-weight: bold;
            cursor: pointer;
            transition: background 0.3s;
        }
        .search-btn:hover { background: linear-gradient(to right, #0097a7, #29b6f6); }
        .content-wrapper {
            max-width: 1280px;
            margin: 0 auto;
            padding: 0 2rem;
            display: grid;
            grid-template-columns: 1fr 300px;
            gap: 3rem;
        }
        article { background: rgba(30, 40, 56, 0.7); border-radius: 15px; padding: 2.5rem; box-shadow: 0 10px 30px rgba(0,0,0,0.4); }
        h1 { color: #4fc3f7; font-size: 2.8rem; margin-bottom: 1.5rem; border-left: 5px solid #00bcd4; padding-left: 1rem; }
        h2 { color: #81d4fa; font-size: 2rem; margin: 3rem 0 1.5rem; padding-bottom: 0.5rem; border-bottom: 2px dashed #37474f; }
        h3 { color: #b3e5fc; font-size: 1.6rem; margin: 2.5rem 0 1rem; }
        h4 { color: #e1f5fe; font-size: 1.3rem; margin: 2rem 0 0.8rem; }
        p, li { margin-bottom: 1.2rem; color: #cfd8dc; }
        .lead { font-size: 1.2rem; color: #b0bec5; font-weight: 300; background: rgba(38, 50, 56, 0.5); padding: 1.5rem; border-radius: 10px; border-left: 4px solid #4fc3f7; }
        .highlight { background: rgba(79, 195, 247, 0.15); padding: 0.2rem 0.5rem; border-radius: 4px; font-weight: bold; color: #e1f5fe; }
        .code-box {
            background: #0c151f;
            border: 1px solid #00bcd4;
            border-radius: 8px;
            padding: 1.5rem;
            margin: 1.5rem 0;
            font-family: 'Courier New', monospace;
            font-size: 1.1rem;
            color: #69f0ae;
            display: flex;
            justify-content: space-between;
            align-items: center;
            flex-wrap: wrap;
        }
        .copy-btn {
            background: #00bcd4;
            color: white;
            border: none;
            padding: 0.5rem 1rem;
            border-radius: 5px;
            cursor: pointer;
            font-weight: bold;
            transition: background 0.3s;
        }
        .copy-btn:hover { background: #0097a7; }
        .emoji { font-size: 1.2em; margin-right: 0.3rem; }
        .img-container {
            margin: 2rem auto;
            text-align: center;
            border-radius: 10px;
            overflow: hidden;
            box-shadow: 0 8px 25px rgba(0,0,0,0.5);
        }
        .img-container img { width: 100%; max-width: 700px; margin: 0 auto; }
        aside {
            background: rgba(30, 40, 56, 0.7);
            border-radius: 15px;
            padding: 2rem;
            height: fit-content;
            box-shadow: 0 10px 30px rgba(0,0,0,0.4);
        }
        .sidebar-title { color: #4fc3f7; font-size: 1.5rem; margin-bottom: 1.5rem; padding-bottom: 0.5rem; border-bottom: 1px solid #37474f; }
        .related-links { list-style: none; }
        .related-links li { margin-bottom: 1rem; }
        .related-links a {
            display: block;
            padding: 0.8rem;
            background: rgba(55, 71, 79, 0.5);
            border-radius: 8px;
            transition: all 0.3s;
        }
        .related-links a:hover { background: rgba(79, 195, 247, 0.2); transform: translateX(5px); }
        .update-time {
            background: rgba(255, 193, 7, 0.1);
            border: 1px dashed #ffb300;
            color: #ffd54f;
            padding: 1rem;
            border-radius: 10px;
            margin-top: 2rem;
            font-size: 0.9rem;
            text-align: center;
        }
        .interaction-section { margin-top: 4rem; }
        .rating-form, .comment-form {
            background: rgba(38, 50, 56, 0.8);
            padding: 2rem;
            border-radius: 15px;
            margin-bottom: 2rem;
        }
        .form-title { color: #81d4fa; margin-bottom: 1.5rem; }
        .star-rating { direction: rtl; display: inline-block; margin-bottom: 1rem; }
        .star-rating input { display: none; }
        .star-rating label {
            color: #ccc;
            font-size: 2rem;
            padding: 0 0.2rem;
            cursor: pointer;
            transition: color 0.3s;
        }
        .star-rating input:checked ~ label,
        .star-rating label:hover,
        .star-rating label:hover ~ label { color: #ffeb3b; }
        .form-group { margin-bottom: 1.5rem; }
        .form-label { display: block; margin-bottom: 0.5rem; color: #b0bec5; }
        .form-input, .form-textarea {
            width: 100%;
            padding: 0.8rem 1rem;
            background: #263238;
            border: 1px solid #546e7a;
            border-radius: 8px;
            color: white;
            font-size: 1rem;
        }
        .form-textarea { min-height: 150px; resize: vertical; }
        .submit-btn {
            background: linear-gradient(to right, #00c853, #69f0ae);
            color: #0d1b1a;
            border: none;
            padding: 1rem 2rem;
            border-radius: 8px;
            font-weight: bold;
            cursor: pointer;
            transition: transform 0.3s;
        }
        .submit-btn:hover { transform: scale(1.05); }
        footer {
            max-width: 1280px;
            margin: 4rem auto 0;
            padding: 2rem;
            border-top: 1px solid #37474f;
            color: #90a4ae;
        }
        .footer-links {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
            gap: 2rem;
            margin-bottom: 2rem;
        }
        friend-link {
            display: block;
            background: rgba(55, 71, 79, 0.3);
            padding: 1rem;
            border-radius: 8px;
            margin-bottom: 0.8rem;
            transition: background 0.3s;
        }
        friend-link:hover { background: rgba(79, 195, 247, 0.15); }
        .copyright {
            text-align: center;
            font-size: 0.9rem;
            padding-top: 2rem;
            border-top: 1px solid #455a64;
        }
        @media (max-width: 992px) {
            .content-wrapper { grid-template-columns: 1fr; }
            aside { order: -1; }
        }
        @media (max-width: 768px) {
            .header-container { flex-direction: column; align-items: flex-start; }
            .hamburger-label { display: block; }
            .main-nav ul {
                flex-direction: column;
                width: 100%;
                max-height: 0;
                overflow: hidden;
                transition: max-height 0.5s ease;
                gap: 0;
            }
            #nav-toggle:checked ~ .main-nav ul { max-height: 500px; margin-top: 1rem; }
            .main-nav li { width: 100%; }
            .main-nav a { display: block; padding: 0.8rem 0; border-bottom: 1px solid #37474f; }
            h1 { font-size: 2.2rem; }
            .code-box { flex-direction: column; align-items: flex-start; }
            .copy-btn { margin-top: 1rem; }
        }