*,
        *::before,
        *::after {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }
        html {
            scroll-behavior: smooth;
        }
        body {
            font-family: 'Segoe UI', Roboto, Helvetica, Arial, sans-serif;
            background: #faf7fc;
            color: #2d2d2d;
            line-height: 1.8;
        }
        a {
            color: #8a2be2;
            text-decoration: none;
            transition: .2s;
        }
        a:hover {
            color: #6a1bb5;
            text-decoration: underline;
        }
        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
        }
        .site-header {
            background: linear-gradient(135deg, #0f0c29, #302b63, #24243e);
            padding: 18px 0;
            box-shadow: 0 4px 20px rgba(0, 0, 0, .2);
            position: sticky;
            top: 0;
            z-index: 999;
        }
        .header-flex {
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 10px;
        }
        .my-logo {
            font-size: 2.2rem;
            font-weight: 800;
            color: #fff;
            letter-spacing: 2px;
            background: linear-gradient(45deg, #f093fb, #f5576c);
            -webkit-background-clip: text;
            background-clip: text;
            -webkit-text-fill-color: transparent;
        }
        .my-logo:hover {
            text-decoration: none;
            opacity: .9;
        }
        .main-nav ul {
            display: flex;
            list-style: none;
            gap: 22px;
            flex-wrap: wrap;
        }
        .main-nav a {
            color: #e0d7f5;
            font-weight: 500;
            font-size: .95rem;
        }
        .main-nav a:hover {
            color: #fff;
        }
        .hamburger {
            display: none;
            background: transparent;
            border: none;
            font-size: 1.8rem;
            color: #fff;
            cursor: pointer;
            padding: 5px;
        }
        .breadcrumb-nav {
            background: #f1ebfa;
            padding: 10px 0;
            font-size: .9rem;
            border-bottom: 1px solid #e4d8f0;
        }
        .breadcrumb-nav ol {
            list-style: none;
            display: flex;
            flex-wrap: wrap;
            gap: 6px;
        }
        .breadcrumb-nav li::after {
            content: "›";
            margin-left: 6px;
            color: #aaa;
        }
        .breadcrumb-nav li:last-child::after {
            content: "";
        }
        .page-layout {
            display: grid;
            grid-template-columns: 1fr 300px;
            gap: 40px;
            padding: 40px 0;
        }
        @media (max-width: 992px) {
            .page-layout {
                grid-template-columns: 1fr;
            }
        }
        .article-content h1 {
            font-size: 2.6rem;
            color: #1e1b3a;
            margin-bottom: 10px;
            line-height: 1.3;
        }
        .article-content h2 {
            font-size: 1.9rem;
            color: #302b63;
            margin: 50px 0 15px;
            padding-bottom: 10px;
            border-bottom: 2px solid #f093fb;
        }
        .article-content h3 {
            font-size: 1.4rem;
            color: #4a3f8f;
            margin: 30px 0 10px;
        }
        .article-content h4 {
            font-size: 1.1rem;
            color: #6a5acd;
            margin: 20px 0 8px;
        }
        .article-content p {
            margin-bottom: 16px;
            text-align: justify;
        }
        .article-content ul,
        .article-content ol {
            margin: 10px 0 20px 25px;
        }
        .article-content li {
            margin-bottom: 8px;
        }
        .meta-info {
            display: flex;
            gap: 18px;
            flex-wrap: wrap;
            font-size: .9rem;
            color: #888;
            margin-bottom: 25px;
            align-items: center;
        }
        .meta-info i {
            margin-right: 4px;
        }
        .featured-image {
            width: 100%;
            height: auto;
            border-radius: 12px;
            margin-bottom: 25px;
            box-shadow: 0 6px 25px rgba(0, 0, 0, .1);
        }
        .highlight-box {
            background: #f1ebfa;
            border-left: 4px solid #8a2be2;
            padding: 15px 20px;
            border-radius: 6px;
            margin: 25px 0;
        }
        .stat-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
            gap: 20px;
            margin: 25px 0;
        }
        .stat-card {
            text-align: center;
            padding: 25px 15px;
            background: #fff;
            border-radius: 12px;
            box-shadow: 0 2px 12px rgba(0, 0, 0, .06);
        }
        .stat-card .num {
            font-size: 2.5rem;
            font-weight: 800;
            color: #8a2be2;
        }
        .stat-card .label {
            font-size: .9rem;
            color: #777;
        }
        .sidebar {
            position: sticky;
            top: 100px;
            align-self: start;
        }
        .sidebar-card {
            background: #fff;
            border-radius: 12px;
            box-shadow: 0 2px 15px rgba(0, 0, 0, .06);
            padding: 20px;
            margin-bottom: 25px;
        }
        .sidebar-card h3 {
            font-size: 1.1rem;
            margin-bottom: 12px;
            color: #302b63;
        }
        .sidebar-card ul {
            list-style: none;
        }
        .sidebar-card li {
            margin-bottom: 8px;
        }
        .sidebar-card a {
            font-size: .9rem;
        }
        .search-box {
            display: flex;
            gap: 8px;
            margin-top: 8px;
        }
        .search-box input {
            flex: 1;
            padding: 10px 14px;
            border: 1px solid #ddd;
            border-radius: 6px;
            font-size: .9rem;
            outline: none;
        }
        .search-box button {
            padding: 10px 18px;
            border: none;
            background: #8a2be2;
            color: #fff;
            border-radius: 6px;
            cursor: pointer;
        }
        .search-box button:hover {
            background: #6a1bb5;
        }
        .feedback-section {
            margin-top: 50px;
            padding: 30px;
            background: #fff;
            border-radius: 12px;
            box-shadow: 0 2px 15px rgba(0, 0, 0, .05);
        }
        .feedback-section h2 {
            border-bottom: none;
            margin-top: 0;
        }
        .feedback-form {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 15px;
            margin-top: 15px;
        }
        .feedback-form textarea,
        .feedback-form input {
            padding: 12px;
            border: 1px solid #ddd;
            border-radius: 6px;
            font-size: .9rem;
            width: 100%;
        }
        .feedback-form textarea {
            grid-column: 1/-1;
            min-height: 100px;
            resize: vertical;
        }
        .feedback-form .half {
            display: flex;
            flex-direction: column;
            gap: 6px;
        }
        .feedback-form label {
            font-size: .85rem;
            color: #666;
        }
        .submit-btn {
            grid-column: 1/-1;
            background: #8a2be2;
            border: none;
            padding: 14px;
            color: #fff;
            font-size: 1rem;
            border-radius: 8px;
            cursor: pointer;
        }
        .submit-btn:hover {
            background: #6a1bb5;
        }
        .star-rating {
            display: inline-flex;
            gap: 4px;
            font-size: 1.4rem;
            color: #ddd;
            cursor: pointer;
        }
        .star-rating .active {
            color: #ffc107;
        }
        .site-footer {
            background: #0f0c29;
            color: #b8b3d4;
            padding: 40px 0 20px;
            margin-top: 60px;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr;
            gap: 40px;
            margin-bottom: 30px;
        }
        @media (max-width: 768px) {
            .footer-grid {
                grid-template-columns: 1fr;
            }
        }
        .site-footer h4 {
            color: #fff;
            margin-bottom: 10px;
        }
        .site-footer a {
            color: #b8b3d4;
        }
        .site-footer a:hover {
            color: #fff;
        }
        friend-link {
            display: block;
            padding: 15px;
            background: #1e1b3a;
            border-radius: 8px;
            margin-top: 20px;
            font-size: .9rem;
        }
        .copyright {
            text-align: center;
            padding-top: 20px;
            border-top: 1px solid #333;
            font-size: .85rem;
            color: #777;
        }
        @media (max-width: 768px) {
            .hamburger {
                display: block;
            }
            .main-nav {
                display: none;
                width: 100%;
                flex-basis: 100%;
            }
            .main-nav.open {
                display: block;
            }
            .main-nav ul {
                flex-direction: column;
                gap: 10px;
                padding: 15px 0;
            }
            .page-layout {
                padding: 20px 0;
            }
            .article-content h1 {
                font-size: 2rem;
            }
            .article-content h2 {
                font-size: 1.5rem;
            }
            .feedback-form {
                grid-template-columns: 1fr;
            }
        }