:root {
            --primary: #f8a01c;
            --secondary: #6a11cb;
            --dark: #1a1a2e;
            --light: #f8f9fa;
            --gray: #6c757d;
            --success: #28a745;
            --shadow: 0 4px 12px rgba(0,0,0,0.1);
            --border-radius: 12px;
        }
        * {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
            font-family: 'Segoe UI', system-ui, sans-serif;
        }
        body {
            background: linear-gradient(135deg, #f5f7fa 0%, #c3cfe2 100%);
            color: #333;
            line-height: 1.7;
            min-height: 100vh;
            display: flex;
            flex-direction: column;
        }
        a {
            text-decoration: none;
            color: inherit;
            transition: all 0.3s ease;
        }
        ul { list-style: none; }
        img { max-width: 100%; height: auto; display: block; }
        .header-top {
            background: linear-gradient(90deg, var(--dark) 0%, var(--secondary) 100%);
            color: white;
            padding: 1rem 2rem;
            display: flex;
            justify-content: space-between;
            align-items: center;
            box-shadow: var(--shadow);
        }
        .my-logo {
            font-size: 2.2rem;
            font-weight: 900;
            background: linear-gradient(to right, var(--primary), #ffdd40);
            -webkit-background-clip: text;
            background-clip: text;
            color: transparent;
            letter-spacing: 1px;
        }
        .my-logo span { color: white; }
        .nav-desktop {
            display: flex;
            gap: 2rem;
        }
        .nav-desktop a {
            padding: 0.5rem 1rem;
            border-radius: 50px;
            font-weight: 600;
        }
        .nav-desktop a:hover {
            background: rgba(255,255,255,0.15);
            transform: translateY(-2px);
        }
        .hamburger {
            display: none;
            font-size: 1.8rem;
            cursor: pointer;
            background: none;
            border: none;
            color: white;
        }
        .nav-mobile {
            display: none;
            flex-direction: column;
            background: var(--dark);
            padding: 1rem;
            position: absolute;
            top: 100%;
            left: 0;
            right: 0;
            z-index: 1000;
            box-shadow: var(--shadow);
        }
        .nav-mobile.active { display: flex; }
        .nav-mobile a {
            padding: 1rem;
            border-bottom: 1px solid rgba(255,255,255,0.1);
        }
        .nav-mobile a:hover { background: rgba(255,255,255,0.05); }
        .breadcrumb {
            padding: 1rem 2rem;
            background: white;
            font-size: 0.9rem;
            border-bottom: 1px solid #eee;
        }
        .breadcrumb a { color: var(--secondary); }
        .breadcrumb a:hover { text-decoration: underline; }
        .container {
            max-width: 1280px;
            margin: 2rem auto;
            padding: 0 2rem;
            display: grid;
            grid-template-columns: 1fr 300px;
            gap: 3rem;
        }
        main { background: white; padding: 2.5rem; border-radius: var(--border-radius); box-shadow: var(--shadow); }
        aside { background: white; padding: 2rem; border-radius: var(--border-radius); box-shadow: var(--shadow); height: fit-content; }
        h1 {
            color: var(--dark);
            font-size: 2.8rem;
            margin-bottom: 1.5rem;
            line-height: 1.2;
            border-left: 6px solid var(--primary);
            padding-left: 1.5rem;
        }
        h2 {
            color: var(--secondary);
            font-size: 2rem;
            margin: 2.5rem 0 1.5rem;
            padding-bottom: 0.5rem;
            border-bottom: 3px dashed #eee;
        }
        h3 {
            color: var(--dark);
            font-size: 1.6rem;
            margin: 2rem 0 1rem;
        }
        h4 {
            color: #555;
            font-size: 1.3rem;
            margin: 1.8rem 0 1rem;
        }
        p {
            margin-bottom: 1.5rem;
            font-size: 1.1rem;
            text-align: justify;
        }
        .lead {
            font-size: 1.3rem;
            color: #444;
            font-weight: 500;
            background: #f8f9ff;
            padding: 1.5rem;
            border-radius: var(--border-radius);
            border-left: 4px solid var(--primary);
        }
        b, strong { color: var(--dark); }
        emoji { font-size: 1.2em; margin-right: 0.3rem; }
        .search-box {
            margin: 2rem 0;
            display: flex;
        }
        .search-box input {
            flex-grow: 1;
            padding: 1rem 1.5rem;
            border: 2px solid #ddd;
            border-radius: 50px 0 0 50px;
            font-size: 1rem;
            outline: none;
        }
        .search-box input:focus { border-color: var(--primary); }
        .search-box button {
            background: linear-gradient(to right, var(--secondary), var(--primary));
            color: white;
            border: none;
            padding: 1rem 2rem;
            border-radius: 0 50px 50px 0;
            font-weight: bold;
            cursor: pointer;
            transition: transform 0.3s;
        }
        .search-box button:hover { transform: scale(1.05); }
        .user-feedback {
            background: #f0f8ff;
            padding: 2rem;
            border-radius: var(--border-radius);
            margin: 3rem 0;
            border: 1px solid #cce7ff;
        }
        .rating-widget {
            display: flex;
            align-items: center;
            gap: 1rem;
            margin-bottom: 1.5rem;
        }
        .stars {
            display: flex;
            gap: 0.3rem;
        }
        .star {
            font-size: 1.8rem;
            color: #ddd;
            cursor: pointer;
            transition: color 0.2s;
        }
        .star:hover,
        .star.active { color: #ffc107; }
        .comment-form textarea {
            width: 100%;
            padding: 1rem;
            border-radius: var(--border-radius);
            border: 1px solid #ccc;
            margin-bottom: 1rem;
            font-size: 1rem;
            resize: vertical;
        }
        .btn {
            display: inline-block;
            background: linear-gradient(to right, var(--secondary), var(--primary));
            color: white;
            padding: 0.9rem 2rem;
            border-radius: 50px;
            font-weight: 700;
            border: none;
            cursor: pointer;
            transition: all 0.3s ease;
            text-align: center;
        }
        .btn:hover {
            transform: translateY(-3px);
            box-shadow: 0 7px 14px rgba(106, 17, 203, 0.3);
        }
        .highlight-box {
            background: linear-gradient(135deg, #fff9e6 0%, #ffeed6 100%);
            padding: 2rem;
            border-radius: var(--border-radius);
            border-left: 6px solid var(--primary);
            margin: 2.5rem 0;
        }
        .related-links {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
            gap: 1.5rem;
            margin: 3rem 0;
        }
        .related-card {
            background: white;
            border-radius: var(--border-radius);
            padding: 1.5rem;
            box-shadow: 0 3px 8px rgba(0,0,0,0.08);
            border: 1px solid #eee;
            transition: all 0.3s;
        }
        .related-card:hover {
            transform: translateY(-5px);
            box-shadow: 0 10px 20px rgba(0,0,0,0.12);
            border-color: var(--primary);
        }
        .img-container {
            margin: 2.5rem auto;
            text-align: center;
        }
        .article-img {
            border-radius: var(--border-radius);
            box-shadow: var(--shadow);
            border: 5px solid white;
        }
        .update-time {
            background: #e7f7ef;
            padding: 1rem;
            border-radius: var(--border-radius);
            margin-bottom: 2rem;
            text-align: center;
            border: 1px dashed #28a745;
        }
        .update-time i { color: var(--success); margin-right: 0.5rem; }
        footer {
            background: var(--dark);
            color: #ccc;
            padding: 3rem 2rem 1.5rem;
            margin-top: auto;
        }
        .footer-content {
            max-width: 1280px;
            margin: 0 auto;
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
            gap: 3rem;
            margin-bottom: 2rem;
        }
        friend-link {
            display: block;
            margin-bottom: 0.8rem;
        }
        friend-link a {
            color: #aaa;
            padding: 0.5rem;
            display: block;
            border-radius: 6px;
        }
        friend-link a:hover {
            color: var(--primary);
            background: rgba(255,255,255,0.03);
        }
        .copyright {
            text-align: center;
            padding-top: 1.5rem;
            border-top: 1px solid #333;
            font-size: 0.9rem;
            color: #888;
        }
        @media (max-width: 992px) {
            .container { grid-template-columns: 1fr; }
            .nav-desktop { display: none; }
            .hamburger { display: block; }
            h1 { font-size: 2.3rem; }
        }
        @media (max-width: 768px) {
            .header-top, .breadcrumb, .container { padding: 1rem; }
            main, aside { padding: 1.5rem; }
            h1 { font-size: 2rem; }
            h2 { font-size: 1.7rem; }
            .related-links { grid-template-columns: 1fr; }
        }