:root {
            --primary-dark: #1a1a2e;
            --secondary-dark: #16213e;
            --accent-blood: #c72c41;
            --accent-gold: #e6af2e;
            --accent-steel: #4a5c6a;
            --text-light: #f0f0f0;
            --text-gray: #b8b8b8;
            --panel-bg: rgba(255, 255, 255, 0.05);
            --border-color: rgba(229, 152, 155, 0.2);
        }
        * {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }
        html {
            scroll-behavior: smooth;
        }
        body {
            font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
            line-height: 1.7;
            color: var(--text-light);
            background: linear-gradient(135deg, var(--primary-dark) 0%, var(--secondary-dark) 100%);
            background-attachment: fixed;
            padding-top: 80px;
        }
        a {
            color: var(--accent-gold);
            text-decoration: none;
            transition: color 0.3s, text-shadow 0.3s;
        }
        a:hover {
            color: #ffd166;
            text-shadow: 0 0 8px rgba(230, 175, 46, 0.5);
        }
        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
        }
        header {
            background-color: rgba(26, 26, 46, 0.95);
            backdrop-filter: blur(10px);
            border-bottom: 2px solid var(--accent-blood);
            position: fixed;
            top: 0;
            width: 100%;
            z-index: 1000;
            padding: 15px 0;
        }
        .header-container {
            display: flex;
            justify-content: space-between;
            align-items: center;
        }
        .my-logo {
            font-family: 'Impact', 'Arial Black', sans-serif;
            font-size: 2.2rem;
            background: linear-gradient(to right, #c72c41, #e6af2e);
            -webkit-background-clip: text;
            background-clip: text;
            color: transparent;
            letter-spacing: 1px;
            text-transform: uppercase;
        }
        .my-logo:hover {
            animation: logo-glow 1.5s ease-in-out infinite alternate;
        }
        @keyframes logo-glow {
            from { text-shadow: 0 0 10px rgba(199, 44, 65, 0.7); }
            to { text-shadow: 0 0 20px rgba(230, 175, 46, 0.9), 0 0 30px rgba(199, 44, 65, 0.6); }
        }
        .main-nav ul {
            display: flex;
            list-style: none;
            gap: 30px;
        }
        .main-nav a {
            font-weight: 600;
            font-size: 1.1rem;
            padding: 8px 0;
            position: relative;
        }
        .main-nav a::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            width: 0;
            height: 2px;
            background: var(--accent-blood);
            transition: width 0.4s;
        }
        .main-nav a:hover::after {
            width: 100%;
        }
        .hamburger {
            display: none;
            font-size: 1.8rem;
            cursor: pointer;
            color: var(--accent-gold);
        }
        .breadcrumb {
            padding: 15px 0;
            font-size: 0.9rem;
            color: var(--text-gray);
            border-bottom: 1px solid var(--border-color);
            margin-bottom: 30px;
        }
        .breadcrumb a {
            color: var(--text-gray);
        }
        .breadcrumb a:hover {
            color: var(--accent-gold);
        }
        main {
            background-color: var(--panel-bg);
            border-radius: 10px;
            padding: 40px;
            margin-bottom: 40px;
            border: 1px solid var(--border-color);
            box-shadow: 0 10px 30px rgba(0, 0, 0, 0.4);
        }
        h1 {
            font-size: 3.2rem;
            margin-bottom: 20px;
            color: #fff;
            text-align: center;
            text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.5);
            border-bottom: 3px solid var(--accent-blood);
            padding-bottom: 20px;
        }
        h2 {
            font-size: 2.2rem;
            margin: 40px 0 20px;
            color: var(--accent-gold);
            padding-left: 15px;
            border-left: 5px solid var(--accent-blood);
        }
        h3 {
            font-size: 1.8rem;
            margin: 30px 0 15px;
            color: #fff;
        }
        h4 {
            font-size: 1.4rem;
            margin: 25px 0 10px;
            color: var(--text-gray);
        }
        p {
            margin-bottom: 25px;
            font-size: 1.1rem;
            text-align: justify;
        }
        .highlight {
            background-color: rgba(199, 44, 65, 0.15);
            border-left: 4px solid var(--accent-blood);
            padding: 20px;
            margin: 25px 0;
            border-radius: 0 8px 8px 0;
        }
        .quote {
            font-style: italic;
            font-size: 1.3rem;
            text-align: center;
            padding: 25px;
            margin: 30px auto;
            max-width: 800px;
            background: rgba(22, 33, 62, 0.7);
            border-radius: 10px;
            position: relative;
        }
        .quote::before, .quote::after {
            content: '"';
            font-size: 4rem;
            color: var(--accent-blood);
            position: absolute;
            opacity: 0.4;
        }
        .quote::before { top: -10px; left: 20px; }
        .quote::after { bottom: -30px; right: 20px; }
        .image-container {
            text-align: center;
            margin: 35px 0;
        }
        .feature-img {
            max-width: 100%;
            height: auto;
            border-radius: 10px;
            border: 3px solid var(--accent-steel);
            box-shadow: 0 10px 20px rgba(0, 0, 0, 0.5);
            transition: transform 0.5s;
        }
        .feature-img:hover {
            transform: scale(1.02);
        }
        .img-caption {
            font-size: 0.9rem;
            color: var(--text-gray);
            margin-top: 10px;
            font-style: italic;
        }
        ul, ol {
            margin-left: 30px;
            margin-bottom: 25px;
        }
        li {
            margin-bottom: 10px;
        }
        .interactive-section {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
            gap: 30px;
            margin: 50px 0;
        }
        .interactive-card {
            background: rgba(22, 33, 62, 0.8);
            border-radius: 10px;
            padding: 25px;
            border: 1px solid var(--border-color);
        }
        .interactive-card h3 {
            margin-top: 0;
            display: flex;
            align-items: center;
            gap: 10px;
        }
        .interactive-card h3 i {
            color: var(--accent-gold);
        }
        form {
            display: flex;
            flex-direction: column;
            gap: 15px;
        }
        input, textarea, select {
            padding: 12px 15px;
            border-radius: 6px;
            border: 1px solid var(--accent-steel);
            background-color: rgba(255, 255, 255, 0.1);
            color: var(--text-light);
            font-size: 1rem;
            transition: border 0.3s;
        }
        input:focus, textarea:focus, select:focus {
            outline: none;
            border-color: var(--accent-gold);
        }
        button {
            background: linear-gradient(to right, var(--accent-blood), #a51c2f);
            color: white;
            border: none;
            padding: 14px 25px;
            border-radius: 6px;
            font-weight: bold;
            cursor: pointer;
            transition: all 0.3s;
            text-transform: uppercase;
            letter-spacing: 1px;
        }
        button:hover {
            background: linear-gradient(to right, #d93a4f, var(--accent-blood));
            box-shadow: 0 5px 15px rgba(199, 44, 65, 0.4);
            transform: translateY(-3px);
        }
        .stars {
            display: flex;
            justify-content: center;
            gap: 10px;
            margin: 15px 0;
        }
        .star {
            font-size: 2rem;
            color: var(--accent-steel);
            cursor: pointer;
            transition: color 0.2s, transform 0.2s;
        }
        .star:hover,
        .star.active {
            color: var(--accent-gold);
            transform: scale(1.2);
        }
        footer {
            background-color: rgba(10, 15, 30, 0.95);
            border-top: 2px solid var(--accent-blood);
            padding: 40px 0 20px;
            margin-top: 50px;
        }
        .footer-content {
            display: flex;
            flex-wrap: wrap;
            justify-content: space-between;
            gap: 40px;
            margin-bottom: 30px;
        }
        .footer-section {
            flex: 1;
            min-width: 250px;
        }
        .footer-section h3 {
            font-size: 1.4rem;
            margin-bottom: 20px;
            color: var(--accent-gold);
        }
        friend-link {
            display: block;
            margin-bottom: 10px;
            padding: 8px 12px;
            background: rgba(255,255,255,0.05);
            border-radius: 5px;
            transition: background 0.3s;
        }
        friend-link:hover {
            background: rgba(199, 44, 65, 0.2);
        }
        .copyright {
            text-align: center;
            padding-top: 20px;
            border-top: 1px solid var(--border-color);
            color: var(--text-gray);
            font-size: 0.9rem;
        }
        .update-time {
            color: var(--accent-gold);
            font-weight: bold;
            margin-top: 30px;
            text-align: center;
            font-size: 0.95rem;
        }
        @media (max-width: 992px) {
            h1 { font-size: 2.6rem; }
            h2 { font-size: 2rem; }
            .main-nav ul { gap: 20px; }
        }
        @media (max-width: 768px) {
            .hamburger { display: block; }
            .main-nav ul {
                position: fixed;
                top: 80px;
                left: 0;
                background-color: var(--primary-dark);
                width: 100%;
                flex-direction: column;
                align-items: center;
                padding: 20px 0;
                gap: 0;
                clip-path: polygon(0 0, 100% 0, 100% 0, 0 0);
                transition: clip-path 0.5s ease;
                border-bottom: 2px solid var(--accent-blood);
            }
            .main-nav ul.show {
                clip-path: polygon(0 0, 100% 0, 100% 100%, 0 100%);
            }
            .main-nav li { width: 100%; text-align: center; }
            .main-nav a {
                display: block;
                padding: 15px;
                border-bottom: 1px solid rgba(255,255,255,0.1);
            }
            .main-nav a::after { display: none; }
            .header-container { padding: 0 20px; }
            main { padding: 25px; }
            .interactive-section { grid-template-columns: 1fr; }
        }
        @media (max-width: 480px) {
            h1 { font-size: 2.2rem; }
            h2 { font-size: 1.8rem; }
            .container { padding: 0 15px; }
            .my-logo { font-size: 1.8rem; }
        }