* {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }
        html {
            scroll-behavior: smooth;
            font-size: 16px;
        }
        body {
            font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
            line-height: 1.8;
            color: #333;
            background: linear-gradient(135deg, #f5f7fa 0%, #c3cfe2 100%);
            background-attachment: fixed;
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 15px;
            box-shadow: 0 0 30px rgba(0, 0, 0, 0.05);
            background-color: #fff;
            min-height: 100vh;
        }
        header {
            background: linear-gradient(90deg, #1a237e 0%, #311b92 100%);
            color: white;
            padding: 1rem 0;
            position: sticky;
            top: 0;
            z-index: 1000;
            border-bottom: 3px solid #FFD700;
        }
        .header-container {
            display: flex;
            justify-content: space-between;
            align-items: center;
            padding: 0 1rem;
        }
        .my-logo {
            font-size: 1.8rem;
            font-weight: 800;
            color: #FFD700;
            text-decoration: none;
            display: flex;
            align-items: center;
            gap: 10px;
        }
        .my-logo:hover {
            color: #ffffff;
            transform: scale(1.05);
            transition: all 0.3s ease;
        }
        .my-logo i {
            font-size: 2rem;
        }
        .nav-desktop {
            display: flex;
            gap: 1.5rem;
        }
        @media (max-width: 768px) {
            .nav-desktop {
                display: none;
            }
        }
        .nav-desktop a {
            color: white;
            text-decoration: none;
            font-weight: 600;
            padding: 0.5rem 0.8rem;
            border-radius: 4px;
            transition: all 0.3s ease;
        }
        .nav-desktop a:hover {
            background-color: rgba(255, 215, 0, 0.3);
            color: #FFD700;
        }
        .hamburger {
            display: none;
            background: none;
            border: none;
            color: white;
            font-size: 1.8rem;
            cursor: pointer;
            padding: 0.5rem;
        }
        @media (max-width: 768px) {
            .hamburger {
                display: block;
            }
        }
        .nav-mobile {
            display: none;
            flex-direction: column;
            background: #1a237e;
            position: absolute;
            top: 100%;
            left: 0;
            right: 0;
            padding: 1rem;
            border-top: 2px solid #FFD700;
        }
        .nav-mobile.active {
            display: flex;
        }
        .nav-mobile a {
            color: white;
            text-decoration: none;
            padding: 0.8rem;
            border-bottom: 1px solid rgba(255, 255, 255, 0.1);
            transition: background 0.3s;
        }
        .nav-mobile a:hover {
            background: rgba(255, 215, 0, 0.2);
        }
        .breadcrumb {
            padding: 1rem;
            background: #f0f4ff;
            border-radius: 5px;
            margin: 1rem 0;
            font-size: 0.9rem;
        }
        .breadcrumb a {
            color: #311b92;
            text-decoration: none;
            font-weight: 500;
        }
        .breadcrumb a:hover {
            text-decoration: underline;
        }
        main {
            padding: 2rem 1rem;
        }
        h1, h2, h3, h4 {
            color: #1a237e;
            margin-top: 2rem;
            margin-bottom: 1rem;
            line-height: 1.3;
        }
        h1 {
            font-size: 2.5rem;
            border-left: 6px solid #FFD700;
            padding-left: 15px;
            color: #1a237e;
            margin-top: 1rem;
        }
        h2 {
            font-size: 2rem;
            border-bottom: 2px solid #c3cfe2;
            padding-bottom: 0.5rem;
        }
        h3 {
            font-size: 1.5rem;
            color: #311b92;
        }
        h4 {
            font-size: 1.2rem;
            color: #5c6bc0;
        }
        p {
            margin-bottom: 1.5rem;
            text-align: justify;
        }
        .highlight {
            background-color: #fffacd;
            padding: 0.2rem 0.5rem;
            border-radius: 3px;
            font-weight: 600;
        }
        .emoji {
            font-size: 1.2em;
            margin-right: 5px;
        }
        .section-break {
            height: 1px;
            background: linear-gradient(90deg, transparent, #FFD700, transparent);
            margin: 2rem 0;
        }
        .content-link {
            color: #1a237e;
            text-decoration: none;
            border-bottom: 1px dashed #5c6bc0;
            font-weight: 600;
        }
        .content-link:hover {
            color: #FFD700;
            background-color: rgba(26, 35, 126, 0.05);
            border-bottom: 2px solid #FFD700;
        }
        .featured-image {
            width: 100%;
            max-width: 800px;
            height: auto;
            border-radius: 10px;
            box-shadow: 0 10px 20px rgba(0, 0, 0, 0.15);
            display: block;
            margin: 2rem auto;
            border: 3px solid #FFD700;
            transition: transform 0.5s ease;
        }
        .featured-image:hover {
            transform: scale(1.02);
        }
        .image-caption {
            text-align: center;
            font-style: italic;
            color: #666;
            margin-top: 0.5rem;
            font-size: 0.9rem;
        }
        .interaction-module {
            background: #f8f9ff;
            border: 2px solid #c3cfe2;
            border-radius: 10px;
            padding: 2rem;
            margin: 3rem 0;
            box-shadow: 0 5px 15px rgba(0, 0, 0, 0.05);
        }
        .module-title {
            display: flex;
            align-items: center;
            gap: 10px;
            color: #1a237e;
            margin-bottom: 1.5rem;
        }
        .module-title i {
            color: #FFD700;
            font-size: 1.5rem;
        }
        .search-form, .comment-form, .rating-form {
            display: grid;
            gap: 1rem;
            max-width: 600px;
        }
        .form-group {
            display: flex;
            flex-direction: column;
        }
        label {
            font-weight: 600;
            margin-bottom: 0.5rem;
            color: #311b92;
        }
        input, textarea, select {
            padding: 0.8rem;
            border: 1px solid #c3cfe2;
            border-radius: 5px;
            font-size: 1rem;
            transition: border 0.3s;
        }
        input:focus, textarea:focus, select:focus {
            outline: none;
            border-color: #1a237e;
            box-shadow: 0 0 0 2px rgba(26, 35, 126, 0.2);
        }
        button {
            background: linear-gradient(90deg, #1a237e, #311b92);
            color: white;
            border: none;
            padding: 0.8rem 1.5rem;
            border-radius: 5px;
            font-weight: 600;
            cursor: pointer;
            transition: all 0.3s ease;
            justify-self: start;
        }
        button:hover {
            background: linear-gradient(90deg, #311b92, #1a237e);
            transform: translateY(-2px);
            box-shadow: 0 5px 10px rgba(0, 0, 0, 0.1);
        }
        .star-rating {
            display: flex;
            gap: 5px;
            font-size: 1.8rem;
            color: #ccc;
            cursor: pointer;
        }
        .star-rating .star:hover,
        .star-rating .star.active {
            color: #FFD700;
        }
        footer {
            background: #1a237e;
            color: white;
            padding: 2rem 1rem;
            margin-top: 3rem;
            border-top: 5px solid #FFD700;
        }
        .footer-content {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
            gap: 2rem;
            margin-bottom: 2rem;
        }
        .footer-section h3 {
            color: #FFD700;
            font-size: 1.3rem;
            margin-bottom: 1rem;
        }
        friend-link {
            display: block;
            margin-bottom: 0.8rem;
        }
        friend-link a {
            color: #c3cfe2;
            text-decoration: none;
            transition: color 0.3s;
        }
        friend-link a:hover {
            color: #FFD700;
            text-decoration: underline;
        }
        .copyright {
            text-align: center;
            padding-top: 1.5rem;
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            font-size: 0.9rem;
            color: #c3cfe2;
        }
        @media (min-width: 768px) {
            .content-grid {
                display: grid;
                grid-template-columns: 1fr 300px;
                gap: 2rem;
            }
        }
        .sidebar {
            background: #f0f4ff;
            padding: 1.5rem;
            border-radius: 10px;
            height: fit-content;
            border: 1px solid #c3cfe2;
        }
        .sidebar h3 {
            margin-top: 0;
        }
        .update-time {
            background: #e8f4ff;
            padding: 1rem;
            border-radius: 5px;
            margin: 1.5rem 0;
            font-size: 0.9rem;
            color: #1a237e;
            border-left: 4px solid #1a237e;
        }
        .text-center {
            text-align: center;
        }
        .mt-2 {
            margin-top: 2rem;
        }
        .mb-2 {
            margin-bottom: 2rem;
        }
        .bold {
            font-weight: 800;
            color: #1a237e;
        }
        .quote {
            font-style: italic;
            background: #f8f9ff;
            border-left: 4px solid #FFD700;
            padding: 1rem 1.5rem;
            margin: 1.5rem 0;
            color: #555;
        }
        .tooltip {
            position: relative;
            display: inline-block;
            border-bottom: 1px dotted #1a237e;
            cursor: help;
        }
        .tooltip .tooltiptext {
            visibility: hidden;
            width: 200px;
            background-color: #1a237e;
            color: #fff;
            text-align: center;
            border-radius: 6px;
            padding: 10px;
            position: absolute;
            z-index: 1;
            bottom: 125%;
            left: 50%;
            margin-left: -100px;
            opacity: 0;
            transition: opacity 0.3s;
            font-size: 0.8rem;
            font-weight: normal;
        }
        .tooltip:hover .tooltiptext {
            visibility: visible;
            opacity: 1;
        }
        @keyframes fadeIn {
            from { opacity: 0; transform: translateY(10px); }
            to { opacity: 1; transform: translateY(0); }
        }
        main > * {
            animation: fadeIn 0.5s ease-out;
        }