* {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }
        :root {
            --primary: #ff4655; 
            --secondary: #1c1c2e; 
            --accent: #f9a826; 
            --light: #f5f5f5;
            --dark: #0f0f1a;
            --text: #333;
            --text-light: #777;
            --transition: all 0.3s ease;
        }
        html {
            scroll-behavior: smooth;
        }
        body {
            font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
            line-height: 1.8;
            color: var(--text);
            background: linear-gradient(135deg, #0f0f1a 0%, #1c1c2e 100%);
            background-attachment: fixed;
            min-height: 100vh;
            padding-top: 80px;
        }
        a {
            text-decoration: none;
            color: inherit;
        }
        ul, ol {
            list-style-position: inside;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        .container {
            width: 100%;
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
        }
        header {
            background-color: rgba(15, 15, 26, 0.95);
            backdrop-filter: blur(10px);
            border-bottom: 3px solid var(--primary);
            position: fixed;
            top: 0;
            width: 100%;
            z-index: 1000;
            padding: 15px 0;
        }
        .header-container {
            display: flex;
            justify-content: space-between;
            align-items: center;
        }
        .logo {
            font-family: 'Arial Black', sans-serif;
            font-size: 2.2rem;
            font-weight: 900;
            background: linear-gradient(to right, var(--primary), var(--accent));
            -webkit-background-clip: text;
            background-clip: text;
            color: transparent;
            letter-spacing: 1px;
            transition: var(--transition);
        }
        .logo:hover {
            transform: scale(1.05);
        }
        nav ul {
            display: flex;
            gap: 30px;
        }
        nav ul li {
            list-style: none;
        }
        nav ul li a {
            color: var(--light);
            font-weight: 600;
            padding: 8px 15px;
            border-radius: 5px;
            transition: var(--transition);
            font-size: 1.1rem;
        }
        nav ul li a:hover,
        nav ul li a.active {
            background-color: var(--primary);
            color: white;
        }
        .hamburger {
            display: none;
            font-size: 1.8rem;
            color: var(--light);
            cursor: pointer;
        }
        .breadcrumb {
            background-color: rgba(28, 28, 46, 0.8);
            padding: 15px 0;
            margin-bottom: 30px;
            border-bottom: 1px solid #333;
        }
        .breadcrumb ul {
            display: flex;
            flex-wrap: wrap;
            gap: 10px;
        }
        .breadcrumb li {
            list-style: none;
            color: var(--text-light);
            font-size: 0.95rem;
        }
        .breadcrumb li:not(:last-child)::after {
            content: '›';
            margin-left: 10px;
            color: var(--accent);
        }
        .breadcrumb a:hover {
            color: var(--primary);
        }
        main {
            background-color: rgba(255, 255, 255, 0.95);
            border-radius: 15px;
            box-shadow: 0 10px 30px rgba(0, 0, 0, 0.3);
            padding: 40px;
            margin-bottom: 40px;
            position: relative;
            overflow: hidden;
        }
        main::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 5px;
            background: linear-gradient(to right, var(--primary), var(--accent));
        }
        h1 {
            font-size: 3.2rem;
            color: var(--dark);
            margin-bottom: 25px;
            line-height: 1.2;
            text-align: center;
            border-bottom: 3px dashed var(--primary);
            padding-bottom: 20px;
        }
        h2 {
            font-size: 2.4rem;
            color: var(--secondary);
            margin: 40px 0 20px;
            padding-bottom: 10px;
            border-bottom: 2px solid var(--accent);
        }
        h3 {
            font-size: 1.8rem;
            color: var(--primary);
            margin: 30px 0 15px;
        }
        h4 {
            font-size: 1.5rem;
            color: var(--secondary);
            margin: 25px 0 10px;
        }
        p {
            margin-bottom: 25px;
            font-size: 1.15rem;
            text-align: justify;
        }
        strong {
            color: var(--primary);
            font-weight: 700;
        }
        em {
            color: var(--accent);
            font-style: italic;
        }
        .highlight {
            background-color: rgba(255, 70, 85, 0.1);
            border-left: 5px solid var(--primary);
            padding: 20px;
            margin: 25px 0;
            border-radius: 0 10px 10px 0;
        }
        .img-container {
            margin: 30px auto;
            text-align: center;
            max-width: 800px;
        }
        .img-container img {
            border-radius: 15px;
            box-shadow: 0 5px 15px rgba(0,0,0,0.2);
            border: 3px solid var(--accent);
            transition: var(--transition);
        }
        .img-container img:hover {
            transform: translateY(-5px);
            box-shadow: 0 15px 30px rgba(0,0,0,0.3);
        }
        .caption {
            font-style: italic;
            color: var(--text-light);
            margin-top: 10px;
            font-size: 0.95rem;
        }
        .content-link {
            color: var(--primary);
            font-weight: 600;
            border-bottom: 2px dotted var(--primary);
            transition: var(--transition);
        }
        .content-link:hover {
            color: var(--accent);
            border-bottom-style: solid;
        }
        .update-time {
            background-color: var(--light);
            padding: 15px;
            border-radius: 10px;
            text-align: center;
            margin: 40px 0;
            font-weight: 600;
            color: var(--secondary);
            border: 2px solid var(--accent);
        }
        .interactive-section {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
            gap: 30px;
            margin: 50px 0;
        }
        .interactive-box {
            background: linear-gradient(145deg, #ffffff, #e6e6e6);
            border-radius: 15px;
            padding: 30px;
            box-shadow: 0 8px 20px rgba(0,0,0,0.1);
            transition: var(--transition);
            border-top: 5px solid var(--primary);
        }
        .interactive-box:hover {
            transform: translateY(-10px);
            box-shadow: 0 15px 30px rgba(0,0,0,0.15);
        }
        .interactive-box h3 {
            margin-top: 0;
            color: var(--secondary);
        }
        .interactive-box form {
            display: flex;
            flex-direction: column;
            gap: 15px;
        }
        .interactive-box input,
        .interactive-box textarea,
        .interactive-box select {
            padding: 15px;
            border: 2px solid #ddd;
            border-radius: 8px;
            font-family: inherit;
            font-size: 1rem;
            transition: var(--transition);
        }
        .interactive-box input:focus,
        .interactive-box textarea:focus,
        .interactive-box select:focus {
            border-color: var(--primary);
            outline: none;
        }
        .interactive-box button {
            background: linear-gradient(to right, var(--primary), #ff2e3b);
            color: white;
            border: none;
            padding: 15px;
            border-radius: 8px;
            font-weight: 700;
            font-size: 1.1rem;
            cursor: pointer;
            transition: var(--transition);
        }
        .interactive-box button:hover {
            background: linear-gradient(to right, #ff2e3b, var(--primary));
            transform: scale(1.03);
        }
        .stars {
            display: flex;
            justify-content: center;
            gap: 10px;
            margin: 15px 0;
            font-size: 2rem;
            color: #ddd;
        }
        .stars i {
            cursor: pointer;
            transition: var(--transition);
        }
        .stars i:hover,
        .stars i.active {
            color: var(--accent);
            transform: scale(1.2);
        }
        footer {
            background-color: var(--dark);
            color: var(--light);
            padding: 50px 0 20px;
            border-top: 5px solid var(--primary);
        }
        .footer-container {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
            gap: 40px;
            margin-bottom: 40px;
        }
        .footer-section h4 {
            color: var(--light);
            font-size: 1.5rem;
            margin-bottom: 25px;
            padding-bottom: 10px;
            border-bottom: 2px solid var(--primary);
        }
        .footer-section ul li {
            list-style: none;
            margin-bottom: 12px;
        }
        .footer-section ul li a:hover {
            color: var(--primary);
            padding-left: 5px;
        }
        friend-link {
            display: block;
            background-color: rgba(255, 70, 85, 0.1);
            padding: 20px;
            border-radius: 10px;
            margin: 20px 0;
            border-left: 5px solid var(--accent);
        }
        friend-link a {
            color: var(--accent);
            font-weight: 700;
            font-size: 1.1rem;
        }
        friend-link a:hover {
            text-decoration: underline;
        }
        .copyright {
            text-align: center;
            padding-top: 30px;
            border-top: 1px solid #333;
            color: var(--text-light);
            font-size: 0.9rem;
        }
        @media (max-width: 992px) {
            h1 { font-size: 2.8rem; }
            h2 { font-size: 2.1rem; }
            nav ul { gap: 15px; }
        }
        @media (max-width: 768px) {
            body { padding-top: 70px; }
            .hamburger { display: block; }
            nav ul {
                position: fixed;
                top: 70px;
                left: -100%;
                width: 100%;
                background-color: var(--dark);
                flex-direction: column;
                align-items: center;
                padding: 30px 0;
                gap: 20px;
                transition: var(--transition);
                border-top: 2px solid var(--primary);
            }
            nav ul.active { left: 0; }
            .header-container { padding: 0 15px; }
            main { padding: 25px; }
        }
        @media (max-width: 576px) {
            h1 { font-size: 2.2rem; }
            h2 { font-size: 1.8rem; }
            h3 { font-size: 1.5rem; }
            .interactive-section { grid-template-columns: 1fr; }
        }