*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
        :root {
            --primary: #6c5ce7;
            --primary-dark: #3d3a8f;
            --accent: #00b894;
            --dark: #1a1a2e;
            --darker: #0f0f1a;
            --light: #f8f9fc;
            --grey: #e9ecef;
            --text: #2d3436;
            --text-light: #636e72;
            --white: #ffffff;
            --radius: 12px;
            --shadow: 0 8px 32px rgba(0,0,0,0.08);
            --font-main: 'Segoe UI', 'Helvetica Neue', Arial, sans-serif;
        }
        html { scroll-behavior: smooth; font-size: 16px; -webkit-text-size-adjust: 100%; }
        body {
            font-family: var(--font-main);
            background: var(--light);
            color: var(--text);
            line-height: 1.75;
            overflow-x: hidden;
        }
        .container { max-width: 1280px; margin: 0 auto; padding: 0 24px; width: 100%; }
        a { color: var(--primary); text-decoration: none; transition: color 0.2s ease; }
        a:hover { color: var(--primary-dark); text-decoration: underline; }
        img { max-width: 100%; height: auto; display: block; }
        .site-header {
            background: var(--white);
            box-shadow: 0 2px 20px rgba(0,0,0,0.06);
            position: sticky;
            top: 0;
            z-index: 1000;
        }
        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 16px;
            padding: 14px 0;
        }
        .my-logo {
            font-size: 1.8rem;
            font-weight: 900;
            letter-spacing: -0.5px;
            color: var(--primary);
            background: linear-gradient(135deg, var(--primary), var(--accent));
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
            display: inline-flex;
            align-items: center;
            gap: 8px;
        }
        .my-logo i { font-size: 1.4rem; }
        .my-logo a { color: inherit; text-decoration: none; }
        .my-logo small { display: block; font-size: 0.65rem; font-weight: 400; color: var(--text-light); -webkit-text-fill-color: var(--text-light); }
        .main-nav { display: flex; align-items: center; }
        .main-nav ul { display: flex; list-style: none; gap: 8px; flex-wrap: wrap; }
        .main-nav a {
            padding: 8px 16px;
            border-radius: 50px;
            font-weight: 500;
            font-size: 0.9rem;
            color: var(--text);
            transition: background 0.2s, color 0.2s;
        }
        .main-nav a:hover { background: var(--primary); color: var(--white); text-decoration: none; }
        .menu-toggle {
            display: none;
            background: none;
            border: none;
            font-size: 1.6rem;
            cursor: pointer;
            color: var(--text);
            padding: 4px;
        }
        @media (max-width: 768px) {
            .menu-toggle { display: block; }
            .main-nav {
                display: none;
                width: 100%;
                order: 3;
                flex-direction: column;
                background: var(--white);
                padding: 12px 0;
                border-radius: var(--radius);
                box-shadow: var(--shadow);
            }
            .main-nav.open { display: flex; }
            .main-nav ul { flex-direction: column; width: 100%; text-align: center; }
            .main-nav li { width: 100%; }
            .main-nav a { display: block; padding: 14px; }
            .header-inner { padding: 10px 0; }
        }
        .breadcrumb {
            background: var(--white);
            border-bottom: 1px solid var(--grey);
            padding: 8px 0;
        }
        .breadcrumb ol {
            display: flex;
            list-style: none;
            flex-wrap: wrap;
            font-size: 0.8rem;
            color: var(--text-light);
            gap: 6px;
        }
        .breadcrumb li + li::before { content: "›"; margin-right: 6px; color: var(--grey); }
        .breadcrumb a { color: var(--primary); }
        .breadcrumb .current { font-weight: 600; color: var(--text); }
        .hero {
            background: linear-gradient(135deg, #1a1a2e 0%, #2d2b55 50%, #6c5ce7 100%);
            color: var(--white);
            padding: 72px 0;
            text-align: center;
            position: relative;
            overflow: hidden;
        }
        .hero::before {
            content: '';
            position: absolute;
            top: -50%;
            right: -20%;
            width: 400px;
            height: 400px;
            background: radial-gradient(circle, rgba(0,184,148,0.3), transparent 70%);
            border-radius: 50%;
            animation: pulse 6s infinite;
        }
        @keyframes pulse { 0%,100%{transform:scale(1)} 50%{transform:scale(1.1)} }
        .hero-content { position: relative; z-index: 1; max-width: 800px; margin: 0 auto; }
        .hero h1 {
            font-size: clamp(1.8rem, 4.5vw, 3.2rem);
            font-weight: 900;
            line-height: 1.2;
            margin-bottom: 16px;
            text-shadow: 0 2px 20px rgba(0,0,0,0.3);
        }
        .hero p.lead {
            font-size: clamp(1rem, 2vw, 1.25rem);
            opacity: 0.9;
            margin-bottom: 24px;
        }
        .hero .hero-badge {
            display: inline-block;
            background: rgba(255,255,255,0.15);
            border: 1px solid rgba(255,255,255,0.3);
            border-radius: 50px;
            padding: 6px 20px;
            font-size: 0.85rem;
            font-weight: 500;
            margin-bottom: 20px;
            backdrop-filter: blur(4px);
        }
        .hero-actions { display: flex; gap: 12px; justify-content: center; flex-wrap: wrap; }
        .btn {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 12px 28px;
            border-radius: 50px;
            font-weight: 600;
            font-size: 0.95rem;
            transition: transform 0.2s, box-shadow 0.2s;
            cursor: pointer;
            border: none;
        }
        .btn-primary { background: var(--accent); color: var(--white); }
        .btn-primary:hover { transform: translateY(-2px); box-shadow: 0 8px 24px rgba(0,184,148,0.4); }
        .btn-outline { background: transparent; color: var(--white); border: 2px solid rgba(255,255,255,0.6); }
        .btn-outline:hover { background: rgba(255,255,255,0.1); transform: translateY(-2px); }
        .search-section { background: var(--white); padding: 24px 0; border-bottom: 1px solid var(--grey); }
        .search-form { display: flex; justify-content: center; max-width: 600px; margin: 0 auto; gap: 8px; flex-wrap: wrap; }
        .search-form input[type="text"] {
            flex: 1;
            min-width: 200px;
            padding: 12px 20px;
            border: 2px solid var(--grey);
            border-radius: 50px;
            font-size: 0.95rem;
            outline: none;
            transition: border-color 0.2s;
        }
        .search-form input[type="text"]:focus { border-color: var(--primary); }
        .search-form button {
            background: var(--primary);
            color: var(--white);
            border: none;
            border-radius: 50px;
            padding: 12px 24px;
            font-weight: 600;
            cursor: pointer;
            transition: background 0.2s;
            display: inline-flex;
            align-items: center;
            gap: 8px;
        }
        .search-form button:hover { background: var(--primary-dark); }
        .content-wrapper { padding: 48px 0; }
        .layout-grid {
            display: grid;
            grid-template-columns: 1fr 320px;
            gap: 48px;
            align-items: start;
        }
        @media (max-width: 992px) { .layout-grid { grid-template-columns: 1fr; } }
        .blog-post { background: var(--white); border-radius: var(--radius); box-shadow: var(--shadow); padding: 40px; }
        @media (max-width: 768px) { .blog-post { padding: 24px; } }
        .post-meta { display: flex; gap: 16px; flex-wrap: wrap; font-size: 0.85rem; color: var(--text-light); margin-bottom: 24px; }
        .post-meta span { display: inline-flex; align-items: center; gap: 6px; }
        .post-featured-image { border-radius: var(--radius); overflow: hidden; margin-bottom: 32px; position: relative; }
        .post-featured-image img { width: 100%; height: auto; }
        .post-featured-image figcaption { font-size: 0.85rem; color: var(--text-light); padding: 12px 16px; background: var(--light); text-align: center; font-style: italic; }
        .content-section { margin-bottom: 48px; }
        .content-section h2 {
            font-size: 1.6rem;
            font-weight: 700;
            color: var(--dark);
            margin-bottom: 16px;
            padding-bottom: 8px;
            border-bottom: 2px solid var(--accent);
            display: inline-block;
        }
        .content-section h3 { font-size: 1.2rem; font-weight: 600; color: var(--dark); margin-top: 24px; margin-bottom: 12px; }
        .content-section h4 { font-size: 1.05rem; font-weight: 600; color: var(--primary); margin-top: 16px; margin-bottom: 8px; }
        .content-section p { margin-bottom: 14px; font-size: 0.95rem; line-height: 1.8; }
        .content-section ul, .content-section ol { margin-left: 20px; margin-bottom: 16px; }
        .content-section li { margin-bottom: 6px; font-size: 0.95rem; line-height: 1.7; }
        .content-section blockquote {
            border-left: 4px solid var(--accent);
            background: var(--light);
            padding: 16px 20px;
            margin: 20px 0;
            border-radius: 0 var(--radius) var(--radius) 0;
            font-style: italic;
            color: var(--text-light);
        }
        .content-section .tip-box {
            background: #e8f7f0;
            border-left: 4px solid var(--accent);
            padding: 16px 20px;
            border-radius: 0 var(--radius) var(--radius) 0;
            margin: 16px 0;
        }
        .table-responsive { overflow-x: auto; margin: 16px 0; }
        .data-table {
            width: 100%;
            border-collapse: separate;
            border-spacing: 0;
            background: var(--white);
            border-radius: var(--radius);
            box-shadow: var(--shadow);
            font-size: 0.9rem;
        }
        .data-table thead th {
            background: var(--dark);
            color: var(--white);
            padding: 12px 16px;
            font-weight: 600;
            text-align: left;
        }
        .data-table th:first-child { border-radius: var(--radius) 0 0 0; }
        .data-table th:last-child { border-radius: 0 var(--radius) 0 0; }
        .data-table tbody td { padding: 12px 16px; border-bottom: 1px solid var(--grey); }
        .data-table tbody tr:last-child td { border-bottom: none; }
        .data-table tbody tr:hover { background: var(--light); }
        .stat-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
            gap: 16px;
            margin: 20px 0;
        }
        .stat-card {
            background: var(--white);
            border: 2px solid var(--grey);
            border-radius: var(--radius);
            padding: 20px;
            text-align: center;
            transition: transform 0.2s, box-shadow 0.2s;
        }
        .stat-card:hover { transform: translateY(-4px); box-shadow: var(--shadow); }
        .stat-card .stat-number { font-size: 1.8rem; font-weight: 800; color: var(--primary); }
        .stat-card .stat-label { font-size: 0.8rem; color: var(--text-light); text-transform: uppercase; letter-spacing: 0.5px; margin-top: 4px; }
        .feedback-section { margin-top: 40px; padding-top: 32px; border-top: 2px solid var(--grey); }
        .feedback-section h3 { font-size: 1.3rem; margin-bottom: 16px; }
        .rating-stars { display: flex; gap: 4px; font-size: 1.6rem; color: #ffd700; margin-bottom: 16px; cursor: pointer; }
        .rating-stars i { transition: transform 0.2s; }
        .rating-stars i:hover { transform: scale(1.2); }
        .feedback-form { display: grid; gap: 12px; }
        .feedback-form input, .feedback-form textarea {
            padding: 12px 16px;
            border: 2px solid var(--grey);
            border-radius: 8px;
            font-size: 0.95rem;
            font-family: inherit;
            outline: none;
            transition: border-color 0.2s;
        }
        .feedback-form input:focus, .feedback-form textarea:focus { border-color: var(--primary); }
        .feedback-form textarea { min-height: 120px; resize: vertical; }
        .feedback-form button { justify-self: start; }
        .sidebar { display: flex; flex-direction: column; gap: 24px; position: sticky; top: 100px; }
        @media (max-width: 992px) { .sidebar { position: static; } }
        .sidebar-widget {
            background: var(--white);
            border-radius: var(--radius);
            box-shadow: var(--shadow);
            padding: 24px;
        }
        .sidebar-widget h3 {
            font-size: 1.1rem;
            font-weight: 700;
            color: var(--dark);
            margin-bottom: 16px;
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .sidebar-widget ul { list-style: none; margin: 0; padding: 0; }
        .sidebar-widget li { margin-bottom: 8px; }
        .sidebar-widget li a {
            display: flex;
            align-items: center;
            gap: 8px;
            padding: 8px 12px;
            border-radius: 8px;
            font-size: 0.9rem;
            color: var(--text);
            transition: background 0.2s, color 0.2s;
        }
        .sidebar-widget li a:hover { background: var(--primary); color: var(--white); text-decoration: none; }
        .sidebar-widget li a i { width: 16px; }
        .site-footer {
            background: var(--darker);
            color: var(--white);
            padding: 48px 0 20px;
            margin-top: 48px;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
            gap: 32px;
            margin-bottom: 32px;
        }
        .site-footer h4 { font-size: 1.1rem; margin-bottom: 16px; color: var(--accent); }
        .site-footer ul { list-style: none; margin: 0; padding: 0; }
        .site-footer ul li { margin-bottom: 8px; }
        .site-footer ul li a { color: rgba(255,255,255,0.7); font-size: 0.9rem; }
        .site-footer ul li a:hover { color: var(--white); }
        .footer-bottom {
            border-top: 1px solid rgba(255,255,255,0.1);
            padding-top: 20px;
            text-align: center;
            font-size: 0.85rem;
            color: rgba(255,255,255,0.5);
        }
        .footer-bottom a { color: var(--accent); }
        friend-link {
            display: block;
            padding: 16px 24px;
            background: rgba(255,255,255,0.05);
            border-radius: 8px;
            margin-bottom: 12px;
            border: 1px solid rgba(255,255,255,0.1);
        }
        friend-link a { color: var(--accent); margin: 0 6px; }
        .author-box {
            display: flex;
            gap: 16px;
            background: var(--light);
            border-radius: var(--radius);
            padding: 20px;
            margin-top: 24px;
            align-items: center;
        }
        .author-box .avatar {
            width: 60px;
            height: 60px;
            border-radius: 50%;
            background: var(--primary);
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--white);
            font-size: 1.4rem;
            flex-shrink: 0;
        }
        .author-box .author-info .name { font-weight: 700; color: var(--dark); }
        .author-box .author-info .bio { font-size: 0.8rem; color: var(--text-light); }
        @media (max-width: 768px) {
            .content-wrapper { padding: 24px 0; }
            .blog-post { padding: 16px; }
            .hero { padding: 48px 0; }
        }