:root {
            --primary: #FF6B8B;
            --secondary: #36D1DC;
            --accent: #FFD166;
            --dark: #1A1A2E;
            --light: #F8F9FA;
            --gray: #6C757D;
            --transition: all 0.3s ease;
        }
        * {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }
        body {
            font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
            line-height: 1.8;
            color: #333;
            background: linear-gradient(135deg, #f5f7fa 0%, #c3cfe2 100%);
            min-height: 100vh;
        }
        .container {
            width: 100%;
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
        }
        header {
            background: var(--dark);
            color: white;
            padding: 1rem 0;
            position: sticky;
            top: 0;
            z-index: 1000;
            box-shadow: 0 4px 12px rgba(0,0,0,0.1);
        }
        .header-content {
            display: flex;
            justify-content: space-between;
            align-items: center;
        }
        .my-logo {
            font-size: 2.2rem;
            font-weight: 900;
            color: var(--accent);
            text-decoration: none;
            text-transform: uppercase;
            letter-spacing: 2px;
            background: linear-gradient(90deg, var(--primary), var(--secondary));
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            transition: var(--transition);
        }
        .my-logo:hover {
            transform: scale(1.05);
        }
        .desktop-nav {
            display: flex;
            gap: 2rem;
        }
        .desktop-nav a {
            color: white;
            text-decoration: none;
            font-weight: 600;
            padding: 0.5rem 1rem;
            border-radius: 4px;
            transition: var(--transition);
        }
        .desktop-nav a:hover {
            background: var(--primary);
            color: white;
        }
        .hamburger {
            display: none;
            font-size: 1.8rem;
            cursor: pointer;
            color: white;
        }
        .mobile-nav {
            display: none;
            flex-direction: column;
            background: var(--dark);
            padding: 1rem;
            border-top: 1px solid var(--gray);
        }
        .mobile-nav.active {
            display: flex;
        }
        .mobile-nav a {
            color: white;
            text-decoration: none;
            padding: 0.8rem;
            border-bottom: 1px solid rgba(255,255,255,0.1);
        }
        .mobile-nav a:hover {
            background: var(--primary);
        }
        .breadcrumb {
            padding: 1rem 0;
            background: #e9ecef;
            font-size: 0.9rem;
        }
        .breadcrumb a {
            color: var(--dark);
            text-decoration: none;
        }
        .breadcrumb a:hover {
            text-decoration: underline;
        }
        main {
            padding: 2rem 0;
        }
        .content-wrapper {
            display: grid;
            grid-template-columns: 1fr 300px;
            gap: 2rem;
        }
        @media (max-width: 768px) {
            .content-wrapper {
                grid-template-columns: 1fr;
            }
        }
        article {
            background: white;
            padding: 2.5rem;
            border-radius: 12px;
            box-shadow: 0 8px 30px rgba(0,0,0,0.08);
        }
        h1 {
            font-size: 2.8rem;
            color: var(--dark);
            margin-bottom: 1.5rem;
            line-height: 1.2;
            border-bottom: 4px solid var(--primary);
            padding-bottom: 0.5rem;
        }
        h2 {
            font-size: 2rem;
            color: var(--primary);
            margin: 2rem 0 1rem;
            padding-left: 0.5rem;
            border-left: 5px solid var(--secondary);
        }
        h3 {
            font-size: 1.6rem;
            color: var(--secondary);
            margin: 1.5rem 0 0.8rem;
        }
        h4 {
            font-size: 1.3rem;
            color: var(--dark);
            margin: 1.2rem 0 0.6rem;
        }
        p {
            margin-bottom: 1.2rem;
            text-align: justify;
        }
        strong {
            color: var(--primary);
            font-weight: 700;
        }
        em {
            color: var(--gray);
            font-style: italic;
        }
        .highlight {
            background: linear-gradient(120deg, rgba(255,107,139,0.1) 0%, rgba(54,209,220,0.1) 100%);
            padding: 1.5rem;
            border-radius: 8px;
            border-left: 4px solid var(--accent);
            margin: 1.5rem 0;
        }
        img {
            max-width: 100%;
            height: auto;
            border-radius: 10px;
            margin: 1.5rem auto;
            display: block;
            box-shadow: 0 6px 20px rgba(0,0,0,0.1);
            transition: var(--transition);
        }
        img:hover {
            transform: translateY(-5px);
            box-shadow: 0 12px 25px rgba(0,0,0,0.15);
        }
        .article-meta {
            display: flex;
            justify-content: space-between;
            align-items: center;
            padding: 1rem 0;
            border-top: 1px solid #eee;
            border-bottom: 1px solid #eee;
            margin: 2rem 0;
            font-size: 0.9rem;
            color: var(--gray);
        }
        .update-time {
            font-weight: 600;
            color: var(--primary);
        }
        aside {
            background: white;
            padding: 1.5rem;
            border-radius: 12px;
            box-shadow: 0 8px 30px rgba(0,0,0,0.08);
            height: fit-content;
        }
        .sidebar-section {
            margin-bottom: 2rem;
        }
        .sidebar-section h3 {
            font-size: 1.4rem;
            margin-bottom: 1rem;
            color: var(--dark);
        }
        form {
            display: flex;
            flex-direction: column;
            gap: 1rem;
        }
        input, textarea, select {
            padding: 0.8rem;
            border: 1px solid #ddd;
            border-radius: 6px;
            font-family: inherit;
            font-size: 1rem;
            transition: var(--transition);
        }
        input:focus, textarea:focus, select:focus {
            outline: none;
            border-color: var(--primary);
            box-shadow: 0 0 0 3px rgba(255,107,139,0.2);
        }
        button {
            background: linear-gradient(90deg, var(--primary), var(--secondary));
            color: white;
            border: none;
            padding: 0.9rem;
            border-radius: 6px;
            font-weight: 700;
            cursor: pointer;
            transition: var(--transition);
        }
        button:hover {
            transform: translateY(-3px);
            box-shadow: 0 7px 15px rgba(255,107,139,0.4);
        }
        .rating {
            display: flex;
            justify-content: center;
            gap: 0.5rem;
            margin: 1rem 0;
        }
        .rating input {
            display: none;
        }
        .rating label {
            font-size: 1.8rem;
            color: #ddd;
            cursor: pointer;
            transition: var(--transition);
        }
        .rating label:hover,
        .rating input:checked ~ label {
            color: var(--accent);
        }
        footer {
            background: var(--dark);
            color: white;
            padding: 2.5rem 0;
            margin-top: 3rem;
        }
        .footer-content {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
            gap: 2rem;
        }
        friend-link {
            display: block;
            margin: 0.5rem 0;
        }
        friend-link a {
            color: var(--accent);
            text-decoration: none;
            transition: var(--transition);
        }
        friend-link a:hover {
            color: white;
            text-decoration: underline;
        }
        .copyright {
            text-align: center;
            padding-top: 2rem;
            margin-top: 2rem;
            border-top: 1px solid rgba(255,255,255,0.1);
            font-size: 0.9rem;
            color: #aaa;
        }
        @media (max-width: 992px) {
            h1 { font-size: 2.4rem; }
            h2 { font-size: 1.8rem; }
            h3 { font-size: 1.4rem; }
        }
        @media (max-width: 768px) {
            .desktop-nav { display: none; }
            .hamburger { display: block; }
            .header-content { padding: 0 1rem; }
            article { padding: 1.5rem; }
            h1 { font-size: 2rem; }
        }
        @media (max-width: 480px) {
            .article-meta { flex-direction: column; align-items: flex-start; gap: 0.5rem; }
            .sidebar-section { padding: 1rem; }
        }