* {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }
        html {
            scroll-behavior: smooth;
        }
        body {
            font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
            line-height: 1.8;
            color: #2d3748;
            background: linear-gradient(135deg, #f8fafc 0%, #f1f5f9 100%);
            max-width: 100%;
            overflow-x: hidden;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        .site-header {
            background: linear-gradient(90deg, #1a237e 0%, #283593 50%, #3949ab 100%);
            color: white;
            padding: 1rem 5%;
            position: sticky;
            top: 0;
            z-index: 1000;
            box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
        }
        .header-container {
            display: flex;
            justify-content: space-between;
            align-items: center;
            flex-wrap: wrap;
        }
        .my-logo {
            font-size: 2.2rem;
            font-weight: 800;
            color: #ffd700;
            text-decoration: none;
            text-transform: uppercase;
            letter-spacing: 1px;
            font-family: 'Trebuchet MS', sans-serif;
            text-shadow: 2px 2px 4px rgba(0,0,0,0.3);
        }
        .my-logo:hover {
            color: #ffffff;
            transform: scale(1.03);
            transition: all 0.3s ease;
        }
        .main-nav ul {
            display: flex;
            list-style: none;
            gap: 2rem;
        }
        .main-nav a {
            color: #e2e8f0;
            text-decoration: none;
            font-weight: 600;
            font-size: 1.1rem;
            padding: 0.5rem 1rem;
            border-radius: 4px;
            transition: all 0.3s ease;
        }
        .main-nav a:hover, .main-nav a:focus {
            background-color: rgba(255, 215, 0, 0.2);
            color: #ffd700;
        }
        .hamburger {
            display: none;
            font-size: 1.8rem;
            background: none;
            border: none;
            color: white;
            cursor: pointer;
        }
        .breadcrumb {
            padding: 1rem 5%;
            background-color: #edf2f7;
            font-size: 0.95rem;
            border-bottom: 1px solid #cbd5e0;
        }
        .breadcrumb a {
            color: #4a5568;
            text-decoration: none;
        }
        .breadcrumb a:hover {
            color: #1a237e;
            text-decoration: underline;
        }
        .breadcrumb span {
            color: #718096;
        }
        .content-wrapper {
            display: grid;
            grid-template-columns: 1fr 300px;
            gap: 3rem;
            padding: 2rem 5%;
            max-width: 1600px;
            margin: 0 auto;
        }
        main {
            background-color: white;
            padding: 3rem;
            border-radius: 16px;
            box-shadow: 0 10px 30px rgba(0, 0, 0, 0.06);
        }
        article {
            max-width: 100%;
        }
        h1 {
            font-size: 2.8rem;
            color: #1a237e;
            margin-bottom: 1.5rem;
            line-height: 1.2;
            border-bottom: 4px solid #ffd700;
            padding-bottom: 0.5rem;
        }
        h2 {
            font-size: 2.2rem;
            color: #283593;
            margin: 3rem 0 1.5rem;
            padding-left: 1rem;
            border-left: 6px solid #3949ab;
        }
        h3 {
            font-size: 1.8rem;
            color: #3949ab;
            margin: 2.5rem 0 1rem;
        }
        h4 {
            font-size: 1.4rem;
            color: #5c6bc0;
            margin: 2rem 0 1rem;
        }
        p {
            margin-bottom: 1.8rem;
            font-size: 1.15rem;
            text-align: justify;
            hyphens: auto;
        }
        .highlight {
            background-color: #fffacd;
            border-left: 5px solid #ffd700;
            padding: 1.5rem;
            margin: 2rem 0;
            border-radius: 0 8px 8px 0;
        }
        em {
            color: #d32f2f;
            font-style: italic;
            font-weight: 600;
        }
        strong {
            color: #1a237e;
            font-weight: 800;
        }
        .article-img {
            width: 100%;
            max-height: 500px;
            object-fit: cover;
            border-radius: 12px;
            margin: 2.5rem auto;
            box-shadow: 0 8px 20px rgba(0, 0, 0, 0.1);
            border: 5px solid #e2e8f0;
            transition: transform 0.4s ease;
        }
        .article-img:hover {
            transform: scale(1.01);
        }
        figcaption {
            text-align: center;
            font-style: italic;
            color: #718096;
            margin-top: 0.5rem;
        }
        aside {
            background-color: white;
            padding: 2rem;
            border-radius: 16px;
            box-shadow: 0 8px 20px rgba(0, 0, 0, 0.06);
            height: fit-content;
            position: sticky;
            top: 120px;
        }
        .sidebar-widget {
            margin-bottom: 2.5rem;
        }
        .sidebar-widget h3 {
            font-size: 1.5rem;
            color: #1a237e;
            margin-bottom: 1.5rem;
            padding-bottom: 0.5rem;
            border-bottom: 2px solid #ffd700;
        }
        .search-form, .comment-form, .rating-form {
            display: flex;
            flex-direction: column;
            gap: 1rem;
        }
        input, textarea, select {
            padding: 0.9rem;
            border: 2px solid #cbd5e0;
            border-radius: 8px;
            font-size: 1rem;
            transition: border 0.3s ease;
            width: 100%;
        }
        input:focus, textarea:focus, select:focus {
            outline: none;
            border-color: #3949ab;
            box-shadow: 0 0 0 3px rgba(57, 73, 171, 0.2);
        }
        button {
            background: linear-gradient(90deg, #1a237e, #3949ab);
            color: white;
            border: none;
            padding: 1rem 1.8rem;
            border-radius: 8px;
            font-weight: 700;
            font-size: 1.1rem;
            cursor: pointer;
            transition: all 0.3s ease;
        }
        button:hover {
            background: linear-gradient(90deg, #3949ab, #5c6bc0);
            transform: translateY(-3px);
            box-shadow: 0 7px 14px rgba(0, 0, 0, 0.15);
        }
        .star-rating {
            display: flex;
            flex-direction: row-reverse;
            justify-content: flex-end;
            gap: 0.3rem;
            font-size: 1.8rem;
        }
        .star-rating input {
            display: none;
        }
        .star-rating label {
            color: #cbd5e0;
            cursor: pointer;
            transition: color 0.2s;
        }
        .star-rating input:checked ~ label,
        .star-rating label:hover,
        .star-rating label:hover ~ label {
            color: #ffd700;
        }
        .link-list {
            list-style: none;
        }
        .link-list li {
            margin-bottom: 1rem;
            padding-bottom: 1rem;
            border-bottom: 1px dashed #e2e8f0;
        }
        .link-list a {
            color: #2d3748;
            text-decoration: none;
            font-weight: 600;
            display: flex;
            align-items: center;
            gap: 0.8rem;
            transition: color 0.3s ease;
        }
        .link-list a:hover {
            color: #1a237e;
        }
        .link-list i {
            color: #3949ab;
        }
        footer {
            background: linear-gradient(90deg, #1a237e 0%, #283593 100%);
            color: #e2e8f0;
            padding: 3rem 5% 1.5rem;
            margin-top: 4rem;
        }
        .footer-content {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
            gap: 3rem;
            margin-bottom: 2rem;
        }
        .footer-logo {
            font-size: 2.5rem;
            font-weight: 800;
            color: #ffd700;
            margin-bottom: 1rem;
        }
        friend-link {
            display: block;
            background-color: rgba(255, 255, 255, 0.05);
            padding: 1.5rem;
            border-radius: 8px;
            margin: 1rem 0;
            border: 1px solid rgba(255, 215, 0, 0.2);
        }
        friend-link a {
            color: #ffd700;
            text-decoration: none;
            font-weight: 700;
            font-size: 1.1rem;
        }
        friend-link a:hover {
            text-decoration: underline;
        }
        .copyright {
            text-align: center;
            padding-top: 1.5rem;
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            font-size: 0.95rem;
            color: #a0aec0;
        }
        .update-time {
            background-color: #e8f5e9;
            color: #2e7d32;
            padding: 0.8rem;
            border-radius: 8px;
            font-weight: 600;
            margin-bottom: 2rem;
            display: inline-flex;
            align-items: center;
            gap: 0.8rem;
        }
        .emoji {
            font-size: 1.3rem;
            margin-right: 0.5rem;
        }
        .tooltip {
            position: relative;
            border-bottom: 1px dashed #4a5568;
            cursor: help;
        }
        .tooltip-text {
            visibility: hidden;
            width: 300px;
            background-color: #2d3748;
            color: white;
            text-align: center;
            padding: 0.8rem;
            border-radius: 6px;
            position: absolute;
            z-index: 1;
            bottom: 125%;
            left: 50%;
            transform: translateX(-50%);
            opacity: 0;
            transition: opacity 0.3s;
            font-size: 0.9rem;
        }
        .tooltip:hover .tooltip-text {
            visibility: visible;
            opacity: 1;
        }
        @media (max-width: 1024px) {
            .content-wrapper {
                grid-template-columns: 1fr;
            }
            aside {
                position: static;
                margin-top: 2rem;
            }
            h1 {
                font-size: 2.4rem;
            }
            h2 {
                font-size: 2rem;
            }
        }
        @media (max-width: 768px) {
            .header-container {
                flex-direction: column;
                align-items: flex-start;
                gap: 1rem;
            }
            .main-nav ul {
                display: none;
                flex-direction: column;
                width: 100%;
                background-color: #283593;
                padding: 1rem;
                border-radius: 8px;
                margin-top: 1rem;
            }
            .main-nav.active ul {
                display: flex;
            }
            .hamburger {
                display: block;
                position: absolute;
                top: 1.5rem;
                right: 5%;
            }
            .content-wrapper, .site-header, .breadcrumb {
                padding-left: 5%;
                padding-right: 5%;
            }
            main {
                padding: 2rem;
            }
            .footer-content {
                grid-template-columns: 1fr;
            }
        }
        @media (max-width: 480px) {
            h1 {
                font-size: 2rem;
            }
            h2 {
                font-size: 1.7rem;
            }
            p {
                font-size: 1rem;
            }
            main, aside {
                padding: 1.5rem;
            }
        }