* { 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, #0a0a12 0%, #1a1a2a 100%);
            background-attachment: fixed;
            max-width: 1400px;
            margin: 0 auto;
            padding: 0 15px;
        }
        a { color: #4dabf7; text-decoration: none; transition: color 0.3s, transform 0.2s; }
        a:hover { color: #a5d8ff; transform: translateY(-1px); }
        img { max-width: 100%; height: auto; display: block; }
        .site-header {
            padding: 1.5rem 0;
            border-bottom: 2px solid #2d2d4d;
            margin-bottom: 2rem;
            background: rgba(15, 15, 25, 0.95);
            position: sticky;
            top: 0;
            z-index: 1000;
            backdrop-filter: blur(10px);
        }
        .header-container {
            display: flex;
            justify-content: space-between;
            align-items: center;
            flex-wrap: wrap;
        }
        .my-logo {
            font-family: 'Tahoma', sans-serif;
            font-weight: 800;
            font-size: 1.8rem;
            background: linear-gradient(90deg, #c92a2a, #e67700, #fcc419);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            text-transform: uppercase;
            letter-spacing: 1px;
            padding: 5px 10px;
            border-radius: 5px;
            border: 1px solid #444;
        }
        .my-logo:hover { background: linear-gradient(90deg, #f03e3e, #ff922b, #ffd43b); -webkit-background-clip: text; }
        .main-nav ul {
            display: flex;
            list-style: none;
            gap: 2rem;
        }
        .main-nav a {
            color: #ddd;
            font-weight: 500;
            padding: 0.5rem 0.8rem;
            border-radius: 4px;
        }
        .main-nav a:hover, .main-nav a:focus {
            background: rgba(77, 171, 247, 0.15);
            color: #4dabf7;
        }
        .hamburger {
            display: none;
            background: none;
            border: none;
            color: #fff;
            font-size: 1.8rem;
            cursor: pointer;
            padding: 0.5rem;
        }
        .breadcrumb {
            padding: 1rem 0;
            font-size: 0.9rem;
            color: #aaa;
            margin-bottom: 1.5rem;
            border-bottom: 1px solid #333;
        }
        .breadcrumb a { color: #aaa; }
        .breadcrumb a:hover { color: #fff; }
        .content-wrapper {
            display: grid;
            grid-template-columns: 1fr 300px;
            gap: 3rem;
        }
        @media (max-width: 992px) {
            .content-wrapper { grid-template-columns: 1fr; }
        }
        main { min-height: 200vh; }
        article { background: rgba(25, 25, 40, 0.7); padding: 2.5rem; border-radius: 12px; box-shadow: 0 10px 30px rgba(0, 0, 0, 0.5); }
        h1, h2, h3, h4 { color: #f8f9fa; margin-top: 2.5rem; margin-bottom: 1rem; line-height: 1.3; }
        h1 {
            font-size: 2.8rem;
            background: linear-gradient(to right, #ff6b6b, #748ffc);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            border-bottom: 3px solid #495057;
            padding-bottom: 1rem;
        }
        h2 { font-size: 2rem; color: #74b9ff; border-left: 5px solid #74b9ff; padding-left: 15px; }
        h3 { font-size: 1.6rem; color: #a29bfe; }
        h4 { font-size: 1.3rem; color: #fd79a8; }
        p { margin-bottom: 1.5rem; text-align: justify; }
        .lead { font-size: 1.2rem; color: #adb5bd; font-weight: 300; margin-bottom: 2.5rem; }
        .highlight { background: rgba(255, 193, 7, 0.15); padding: 1.5rem; border-left: 5px solid #ffc107; border-radius: 0 8px 8px 0; margin: 2rem 0; }
        .quote { font-style: italic; color: #ccc; border-left: 4px solid #20c997; padding-left: 1.5rem; margin: 2rem 0; }
        .emoji { font-size: 1.2em; margin-right: 5px; }
        .feature-box {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
            gap: 1.5rem;
            margin: 2.5rem 0;
        }
        .feature-card {
            background: linear-gradient(145deg, #2d2d4d, #1f1f35);
            padding: 1.5rem;
            border-radius: 10px;
            border: 1px solid #444;
            transition: transform 0.3s, box-shadow 0.3s;
        }
        .feature-card:hover {
            transform: translateY(-8px);
            box-shadow: 0 15px 25px rgba(0, 0, 0, 0.4);
            border-color: #4dabf7;
        }
        aside {
            background: rgba(30, 30, 50, 0.8);
            padding: 1.8rem;
            border-radius: 12px;
            height: fit-content;
            position: sticky;
            top: 120px;
        }
        .widget { margin-bottom: 2.5rem; }
        .widget h3 { font-size: 1.3rem; margin-bottom: 1.2rem; color: #63e6be; border-bottom: 2px solid #63e6be; padding-bottom: 0.5rem; }
        .search-form, .comment-form, .rating-form {
            display: flex;
            flex-direction: column;
            gap: 1rem;
        }
        input, textarea, select {
            padding: 0.8rem 1rem;
            border-radius: 6px;
            border: 1px solid #555;
            background: #1a1a2e;
            color: #f1f3f5;
            font-family: inherit;
            font-size: 1rem;
            transition: border 0.3s;
        }
        input:focus, textarea:focus, select:focus {
            outline: none;
            border-color: #4dabf7;
            box-shadow: 0 0 0 3px rgba(77, 171, 247, 0.2);
        }
        button, .btn {
            background: linear-gradient(90deg, #339af0, #228be6);
            color: white;
            border: none;
            padding: 0.9rem 1.8rem;
            border-radius: 6px;
            font-weight: 600;
            cursor: pointer;
            transition: background 0.3s, transform 0.2s;
            text-align: center;
            display: inline-block;
        }
        button:hover, .btn:hover {
            background: linear-gradient(90deg, #228be6, #1c7ed6);
            transform: scale(1.03);
        }
        .star-rating {
            direction: rtl;
            display: inline-flex;
            font-size: 1.8rem;
        }
        .star-rating input { display: none; }
        .star-rating label {
            color: #666;
            cursor: pointer;
            padding: 0 3px;
        }
        .star-rating label:hover,
        .star-rating label:hover ~ label,
        .star-rating input:checked ~ label {
            color: #ffd43b;
        }
        .img-container {
            margin: 2.5rem auto;
            text-align: center;
            max-width: 800px;
        }
        .img-container img {
            border-radius: 10px;
            border: 2px solid #495057;
            box-shadow: 0 8px 20px rgba(0,0,0,0.5);
            transition: transform 0.5s;
        }
        .img-container img:hover { transform: scale(1.02); }
        .img-caption {
            font-size: 0.9rem;
            color: #adb5bd;
            margin-top: 0.8rem;
            font-style: italic;
        }
        footer {
            margin-top: 4rem;
            padding: 3rem 0;
            border-top: 2px solid #2d2d4d;
            background: rgba(15, 15, 25, 0.9);
            text-align: center;
        }
        friend-link {
            display: block;
            margin: 1.5rem 0;
        }
        friend-link a {
            display: inline-block;
            margin: 0 1rem;
            padding: 0.5rem 1rem;
            background: #2d2d4d;
            border-radius: 5px;
        }
        .copyright {
            font-size: 0.9rem;
            color: #868e96;
            margin-top: 2rem;
        }
        .update-time {
            color: #ffa94d;
            font-weight: bold;
        }
        @media (max-width: 768px) {
            .header-container { flex-direction: column; align-items: flex-start; }
            .my-logo { margin-bottom: 1rem; }
            .hamburger { display: block; align-self: flex-end; margin-top: -3.5rem; }
            .main-nav ul {
                display: none;
                flex-direction: column;
                width: 100%;
                margin-top: 1rem;
                gap: 0;
            }
            .main-nav ul.active { display: flex; }
            .main-nav li { width: 100%; }
            .main-nav a { display: block; padding: 1rem; border-bottom: 1px solid #444; }
            h1 { font-size: 2.2rem; }
            h2 { font-size: 1.8rem; }
            article { padding: 1.5rem; }
            .content-wrapper { gap: 2rem; }
        }