*,
        *::before,
        *::after {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }
        :root {
            --primary: #1e3799;
            --primary-dark: #0c2461;
            --accent: #f0932b;
            --accent-light: #f6b93b;
            --bg: #f0f3f8;
            --text: #2d3436;
            --light: #ffffff;
            --border: #dfe6e9;
            --success: #00b894;
            --radius: 12px;
            --shadow: 0 4px 15px rgba(0, 0, 0, 0.08);
        }
        html {
            scroll-behavior: smooth;
        }
        body {
            font-family: 'Segoe UI', 'Roboto', 'Helvetica Neue', Arial, sans-serif;
            background: var(--bg);
            color: var(--text);
            line-height: 1.75;
            font-size: 16px;
        }
        a {
            color: var(--primary);
            text-decoration: none;
            transition: color 0.3s;
        }
        a:hover {
            color: var(--accent);
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
            border-radius: 10px;
        }
        .my-header {
            background: linear-gradient(135deg, var(--primary-dark), var(--primary));
            color: var(--light);
            padding: 0;
            position: sticky;
            top: 0;
            z-index: 100;
            box-shadow: 0 2px 10px rgba(0, 0, 0, 0.2);
        }
        .my-header-inner {
            max-width: 1200px;
            margin: 0 auto;
            padding: 12px 20px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
        }
        .my-logo {
            font-size: 1.6rem;
            font-weight: 800;
            color: var(--light);
            letter-spacing: -0.5px;
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .my-logo i {
            color: var(--accent);
            font-size: 1.8rem;
        }
        .my-logo:hover {
            color: var(--accent-light);
        }
        .my-nav {
            display: flex;
            align-items: center;
            gap: 16px;
            flex-wrap: wrap;
        }
        .my-nav a {
            color: rgba(255, 255, 255, 0.9);
            font-weight: 500;
            padding: 6px 14px;
            border-radius: 30px;
            transition: all 0.3s;
            font-size: 0.95rem;
        }
        .my-nav a:hover {
            background: rgba(255, 255, 255, 0.15);
            color: var(--accent-light);
        }
        .hamburger {
            display: none;
            background: none;
            border: none;
            color: var(--light);
            font-size: 1.8rem;
            cursor: pointer;
            padding: 4px;
        }
        .my-breadcrumb {
            max-width: 1200px;
            margin: 0 auto;
            padding: 14px 20px;
            font-size: 0.85rem;
            color: #6c757d;
            background: transparent;
        }
        .my-breadcrumb a {
            color: var(--primary);
        }
        .my-breadcrumb i {
            margin: 0 8px;
            font-size: 12px;
            color: #aaa;
        }
        .my-container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 20px;
            display: grid;
            grid-template-columns: 1fr 340px;
            gap: 30px;
        }
        .my-main {
            background: var(--light);
            border-radius: var(--radius);
            padding: 32px;
            box-shadow: var(--shadow);
        }
        .my-sidebar {
            display: flex;
            flex-direction: column;
            gap: 24px;
        }
        .my-main h1 {
            font-size: 2.4rem;
            color: var(--primary-dark);
            margin-bottom: 16px;
            line-height: 1.2;
            border-bottom: 3px solid var(--accent);
            padding-bottom: 12px;
            display: inline-block;
        }
        .my-main h2 {
            font-size: 1.8rem;
            color: var(--primary);
            margin: 36px 0 14px;
            padding-left: 14px;
            border-left: 4px solid var(--accent);
        }
        .my-main h3 {
            font-size: 1.3rem;
            color: var(--primary-dark);
            margin: 24px 0 10px;
        }
        .my-main h4 {
            font-size: 1.1rem;
            color: #444;
            margin: 18px 0 8px;
            font-style: italic;
        }
        .my-main p {
            margin-bottom: 14px;
            text-align: justify;
        }
        .my-main ul,
        .my-main ol {
            margin: 10px 0 16px 24px;
        }
        .my-main li {
            margin-bottom: 6px;
        }
        .my-highlight {
            background: #fff9e6;
            border-left: 4px solid var(--accent);
            padding: 14px 18px;
            border-radius: 0 8px 8px 0;
            margin: 18px 0;
        }
        .my-question {
            background: #f8fafc;
            border: 1px solid var(--border);
            border-radius: 8px;
            padding: 14px 18px;
            margin: 12px 0;
        }
        .my-question strong {
            color: var(--primary);
        }
        .my-form-section {
            background: #f8f9fa;
            border-radius: var(--radius);
            padding: 24px;
            margin: 30px 0;
            border: 1px solid var(--border);
        }
        .my-form-section h2 {
            margin-top: 0;
            border-left: none;
            padding-left: 0;
            font-size: 1.4rem;
        }
        .my-form-group {
            margin-bottom: 16px;
        }
        .my-form-group label {
            font-weight: 600;
            display: block;
            margin-bottom: 4px;
            font-size: 0.9rem;
        }
        .my-form-group input,
        .my-form-group textarea,
        .my-form-group select {
            width: 100%;
            padding: 10px 14px;
            border: 1px solid #ddd;
            border-radius: 8px;
            font-family: inherit;
            font-size: 0.9rem;
            transition: border-color 0.3s;
        }
        .my-form-group input:focus,
        .my-form-group textarea:focus {
            outline: none;
            border-color: var(--primary);
        }
        .my-btn {
            background: linear-gradient(135deg, var(--primary), var(--primary-dark));
            color: #fff;
            border: none;
            padding: 10px 28px;
            border-radius: 30px;
            font-size: 0.9rem;
            cursor: pointer;
            transition: transform 0.2s, box-shadow 0.2s;
            font-weight: 600;
            display: inline-flex;
            align-items: center;
            gap: 6px;
        }
        .my-btn:hover {
            transform: translateY(-2px);
            box-shadow: 0 6px 20px rgba(30, 55, 153, 0.3);
        }
        .my-stars {
            display: flex;
            gap: 6px;
            font-size: 1.8rem;
            cursor: pointer;
            padding: 10px 0;
        }
        .my-stars i {
            color: #ddd;
            transition: color 0.2s, transform 0.2s;
        }
        .my-stars i.active {
            color: var(--accent);
            transform: scale(1.1);
        }
        .my-stars i:hover {
            color: var(--accent-light);
            transform: scale(1.1);
        }
        .my-rating-value {
            font-weight: 700;
            color: var(--primary);
            font-size: 1.2rem;
        }
        .my-widget {
            background: var(--light);
            border-radius: var(--radius);
            padding: 20px;
            box-shadow: var(--shadow);
        }
        .my-widget h3 {
            font-size: 1.1rem;
            color: var(--primary);
            border-bottom: 2px solid var(--accent);
            padding-bottom: 6px;
            margin-bottom: 12px;
        }
        .my-widget ul {
            list-style: none;
        }
        .my-widget ul li {
            padding: 5px 0;
            border-bottom: 1px solid #f0f0f0;
            font-size: 0.9rem;
        }
        .my-widget ul li:last-child {
            border-bottom: none;
        }
        .my-widget ul li a {
            display: inline-block;
            padding: 3px 0;
        }
        .my-widget ul li a:hover {
            color: var(--accent);
            padding-left: 5px;
            transition: padding-left 0.2s;
        }
        .my-image-caption {
            font-size: 0.85rem;
            color: #777;
            text-align: center;
            margin-top: 8px;
            font-style: italic;
        }
        .my-footer {
            background: var(--primary-dark);
            color: #ccc;
            padding: 30px 20px 20px;
            margin-top: 50px;
        }
        .my-footer-inner {
            max-width: 1200px;
            margin: 0 auto;
        }
        .my-footer friend-link {
            display: block;
            margin-bottom: 20px;
            padding: 16px;
            background: rgba(255, 255, 255, 0.05);
            border-radius: 8px;
        }
        .my-footer friend-link a {
            color: var(--accent-light);
            margin-right: 16px;
            font-size: 0.95rem;
        }
        .my-footer friend-link span {
            color: #999;
            font-size: 0.9rem;
        }
        .my-copyright {
            text-align: center;
            padding-top: 16px;
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            font-size: 0.85rem;
            color: #aaa;
        }
        .my-copyright p {
            margin-bottom: 4px;
        }
        .my-card {
            border: 1px solid var(--border);
            border-radius: 10px;
            padding: 20px;
            margin: 16px 0;
            background: #fff;
            transition: transform 0.2s, box-shadow 0.2s;
        }
        .my-card:hover {
            transform: translateY(-3px);
            box-shadow: 0 8px 25px rgba(0, 0, 0, 0.07);
        }
        .my-tags {
            display: flex;
            flex-wrap: wrap;
            gap: 8px;
            margin: 20px 0;
        }
        .my-tag {
            background: #eef2ff;
            color: var(--primary);
            padding: 4px 12px;
            border-radius: 20px;
            font-size: 0.8rem;
            font-weight: 600;
        }
        @media (max-width: 992px) {
            .my-container {
                grid-template-columns: 1fr;
            }
            .my-sidebar {
                flex-direction: row;
                flex-wrap: wrap;
            }
            .my-widget {
                flex: 1 1 45%;
            }
        }
        @media (max-width: 768px) {
            .my-header-inner {
                flex-wrap: wrap;
            }
            .my-nav {
                display: none;
                width: 100%;
                flex-direction: column;
                padding: 10px 0;
                gap: 4px;
            }
            .my-nav.open {
                display: flex;
            }
            .hamburger {
                display: block;
            }
            .my-main {
                padding: 20px;
            }
            .my-main h1 {
                font-size: 1.8rem;
            }
            .my-main h2 {
                font-size: 1.4rem;
            }
            .my-widget {
                flex: 1 1 100%;
            }
        }
        @media (max-width: 480px) {
            .my-container {
                padding: 12px;
            }
            .my-main {
                padding: 16px;
            }
            .my-breadcrumb {
                font-size: 0.75rem;
                padding: 10px 12px;
            }
        }