* {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
            font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
        }
        body {
            background-color: #0f172a;
            color: #e2e8f0;
            line-height: 1.7;
            overflow-x: hidden;
        }
        a {
            color: #60a5fa;
            text-decoration: none;
            transition: color 0.3s ease;
        }
        a:hover {
            color: #93c5fd;
            text-decoration: underline;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        .container {
            width: 100%;
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
        }
        header {
            background: linear-gradient(135deg, #1e293b 0%, #0f172a 100%);
            padding: 1rem 0;
            border-bottom: 2px solid #334155;
            position: sticky;
            top: 0;
            z-index: 1000;
        }
        .header-container {
            display: flex;
            justify-content: space-between;
            align-items: center;
        }
        .logo a {
            font-size: 2.2rem;
            font-weight: 900;
            background: linear-gradient(90deg, #60a5fa, #a78bfa);
            -webkit-background-clip: text;
            background-clip: text;
            color: transparent;
            letter-spacing: 1px;
            text-shadow: 0 2px 4px rgba(0,0,0,0.3);
        }
        .logo a:hover {
            text-decoration: none;
        }
        nav ul {
            display: flex;
            list-style: none;
            gap: 2rem;
        }
        nav a {
            font-size: 1.1rem;
            font-weight: 600;
            padding: 0.5rem 1rem;
            border-radius: 8px;
            display: flex;
            align-items: center;
            gap: 0.5rem;
        }
        nav a:hover {
            background-color: #334155;
            text-decoration: none;
        }
        .hamburger {
            display: none;
            font-size: 1.8rem;
            cursor: pointer;
            color: #60a5fa;
        }
        .breadcrumb {
            padding: 1rem 0;
            font-size: 0.95rem;
            color: #94a3b8;
        }
        .breadcrumb a {
            color: #cbd5e1;
        }
        .breadcrumb span {
            margin: 0 0.5rem;
        }
        main {
            padding: 2rem 0;
            min-height: 100vh;
        }
        article {
            background-color: #1e293b;
            border-radius: 16px;
            padding: 2.5rem;
            box-shadow: 0 10px 25px rgba(0, 0, 0, 0.5);
            margin-bottom: 2rem;
        }
        h1 {
            font-size: 3.2rem;
            margin-bottom: 1.5rem;
            color: #f8fafc;
            text-align: center;
            line-height: 1.2;
            background: linear-gradient(90deg, #60a5fa, #a78bfa);
            -webkit-background-clip: text;
            background-clip: text;
            color: transparent;
        }
        h2 {
            font-size: 2.4rem;
            margin: 2.5rem 0 1rem;
            color: #e2e8f0;
            border-left: 5px solid #60a5fa;
            padding-left: 1rem;
        }
        h3 {
            font-size: 1.8rem;
            margin: 2rem 0 0.8rem;
            color: #cbd5e1;
        }
        h4 {
            font-size: 1.4rem;
            margin: 1.5rem 0 0.6rem;
            color: #94a3b8;
        }
        p {
            margin-bottom: 1.5rem;
            font-size: 1.1rem;
            text-align: justify;
        }
        .highlight {
            background-color: #334155;
            padding: 1.5rem;
            border-radius: 10px;
            border-left: 4px solid #a78bfa;
            margin: 1.5rem 0;
        }
        .emoji {
            font-size: 1.2em;
            margin-right: 0.3rem;
        }
        .update-time {
            text-align: right;
            font-size: 0.9rem;
            color: #94a3b8;
            margin-bottom: 2rem;
        }
        .feature-img {
            width: 100%;
            max-width: 900px;
            margin: 2rem auto;
            border-radius: 12px;
            overflow: hidden;
            box-shadow: 0 8px 20px rgba(0, 0, 0, 0.6);
        }
        .feature-img img {
            width: 100%;
            height: auto;
            transition: transform 0.5s ease;
        }
        .feature-img img:hover {
            transform: scale(1.03);
        }
        .search-box, .comment-section, .rating-section {
            background-color: #334155;
            padding: 2rem;
            border-radius: 12px;
            margin: 2.5rem 0;
        }
        .search-box h3, .comment-section h3, .rating-section h3 {
            margin-top: 0;
        }
        form {
            display: flex;
            flex-direction: column;
            gap: 1rem;
        }
        input, textarea, select {
            padding: 0.8rem 1rem;
            border-radius: 8px;
            border: 1px solid #475569;
            background-color: #1e293b;
            color: #e2e8f0;
            font-size: 1rem;
        }
        input:focus, textarea:focus, select:focus {
            outline: none;
            border-color: #60a5fa;
        }
        button {
            padding: 0.8rem 1.5rem;
            background: linear-gradient(90deg, #60a5fa, #a78bfa);
            color: white;
            border: none;
            border-radius: 8px;
            font-size: 1.1rem;
            font-weight: 600;
            cursor: pointer;
            transition: all 0.3s ease;
        }
        button:hover {
            transform: translateY(-2px);
            box-shadow: 0 5px 15px rgba(96, 165, 250, 0.4);
        }
        footer {
            background-color: #1e293b;
            padding: 3rem 0 1.5rem;
            border-top: 2px solid #334155;
        }
        .footer-container {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
            gap: 2rem;
            margin-bottom: 2rem;
        }
        .footer-section h4 {
            color: #f8fafc;
            margin-bottom: 1.2rem;
        }
        friend-link {
            display: block;
            margin-bottom: 0.8rem;
            font-size: 1rem;
        }
        .copyright {
            text-align: center;
            padding-top: 1.5rem;
            border-top: 1px solid #475569;
            color: #94a3b8;
            font-size: 0.9rem;
        }
        @media (max-width: 992px) {
            h1 { font-size: 2.8rem; }
            h2 { font-size: 2.1rem; }
            h3 { font-size: 1.6rem; }
            article { padding: 2rem; }
        }
        @media (max-width: 768px) {
            .header-container {
                flex-wrap: wrap;
            }
            nav {
                width: 100%;
                order: 3;
                margin-top: 1rem;
                display: none;
            }
            nav.active {
                display: block;
            }
            nav ul {
                flex-direction: column;
                gap: 0.5rem;
            }
            .hamburger {
                display: block;
            }
            h1 { font-size: 2.4rem; }
            h2 { font-size: 1.9rem; }
            .feature-img {
                margin: 1.5rem auto;
            }
        }
        @media (max-width: 480px) {
            .container { padding: 0 15px; }
            article { padding: 1.5rem; }
            h1 { font-size: 2rem; }
            h2 { font-size: 1.7rem; }
            .search-box, .comment-section, .rating-section { padding: 1.5rem; }
        }