*,
        *::before,
        *::after {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }
        :root {
            --primary: #1a2a6c;
            --secondary: #b21f1f;
            --accent: #fdbb2d;
            --bg: #faf9f7;
            --text: #1e1e2a;
            --text-light: #4a4a5a;
            --white: #ffffff;
            --border: #d4d4dc;
            --shadow: 0 8px 24px rgba(0, 0, 0, 0.06);
            --radius: 12px;
            --max-width: 1120px;
            --font: 'Segoe UI', system-ui, -apple-system, BlinkMacSystemFont, Roboto, 'Helvetica Neue', sans-serif;
        }
        html {
            scroll-behavior: smooth;
            font-size: 16px;
        }
        body {
            font-family: var(--font);
            background: var(--bg);
            color: var(--text);
            line-height: 1.7;
            padding: 0 1rem;
        }
        a {
            color: var(--primary);
            text-decoration: underline;
            text-underline-offset: 2px;
            transition: color 0.2s, opacity 0.2s;
        }
        a:hover {
            color: var(--secondary);
            opacity: 0.85;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
            border-radius: var(--radius);
        }
        .container {
            max-width: var(--max-width);
            margin: 0 auto;
            padding: 0 1rem;
        }
        header {
            background: var(--white);
            border-bottom: 2px solid var(--border);
            padding: 0.75rem 0;
            position: sticky;
            top: 0;
            z-index: 100;
            box-shadow: 0 2px 8px rgba(0, 0, 0, 0.03);
        }
        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 0.75rem 1.5rem;
        }
        .my-logo {
            font-size: 1.6rem;
            font-weight: 800;
            letter-spacing: -0.02em;
            background: linear-gradient(135deg, var(--primary), var(--secondary));
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
            text-decoration: none;
            display: inline-flex;
            align-items: center;
            gap: 0.3rem;
        }
        .my-logo i {
            font-size: 1.3rem;
            -webkit-text-fill-color: initial;
            color: var(--secondary);
        }
        .my-logo:hover {
            opacity: 0.9;
            color: var(--secondary);
        }
        nav.nav-primary ul {
            display: flex;
            list-style: none;
            gap: 0.25rem 1.2rem;
            flex-wrap: wrap;
            align-items: center;
        }
        nav.nav-primary ul li a {
            font-weight: 600;
            font-size: 0.9rem;
            padding: 0.4rem 0.6rem;
            border-radius: 6px;
            text-decoration: none;
            color: var(--text);
            transition: background 0.2s, color 0.2s;
        }
        nav.nav-primary ul li a:hover,
        nav.nav-primary ul li a:focus {
            background: var(--primary);
            color: var(--white);
        }
        .hamburger {
            display: none;
            background: none;
            border: none;
            font-size: 1.6rem;
            color: var(--primary);
            cursor: pointer;
            padding: 0.2rem 0.4rem;
            border-radius: 4px;
        }
        .hamburger:hover {
            background: rgba(0, 0, 0, 0.04);
        }
        #nav-toggle {
            display: none;
        }
        .breadcrumb {
            background: var(--white);
            padding: 0.6rem 0;
            font-size: 0.85rem;
            border-bottom: 1px solid var(--border);
            color: var(--text-light);
        }
        .breadcrumb ol {
            list-style: none;
            display: flex;
            flex-wrap: wrap;
            gap: 0.3rem 0.6rem;
        }
        .breadcrumb ol li+li::before {
            content: "›";
            margin-right: 0.6rem;
            color: var(--text-light);
            font-weight: 600;
        }
        .breadcrumb a {
            text-decoration: none;
            color: var(--primary);
        }
        .breadcrumb a:hover {
            text-decoration: underline;
        }
        .breadcrumb .current {
            color: var(--text-light);
            font-weight: 500;
        }
        .hero-img {
            margin: 2rem 0 1.5rem;
            border-radius: var(--radius);
            box-shadow: var(--shadow);
            background: var(--white);
            overflow: hidden;
        }
        .hero-img img {
            width: 100%;
            max-height: 420px;
            object-fit: cover;
        }
        .hero-img figcaption {
            padding: 0.6rem 1rem;
            font-size: 0.85rem;
            color: var(--text-light);
            background: var(--white);
            border-top: 1px solid var(--border);
        }
        main {
            padding: 1.5rem 0 3rem;
        }
        article h1 {
            font-size: 2.4rem;
            font-weight: 800;
            line-height: 1.2;
            margin: 0 0 0.25rem;
            color: var(--primary);
            letter-spacing: -0.02em;
        }
        .meta {
            color: var(--text-light);
            font-size: 0.9rem;
            margin-bottom: 1.8rem;
            display: flex;
            flex-wrap: wrap;
            gap: 0.5rem 1.8rem;
            border-bottom: 1px solid var(--border);
            padding-bottom: 0.8rem;
        }
        .meta i {
            margin-right: 0.35rem;
            color: var(--secondary);
        }
        article h2 {
            font-size: 1.8rem;
            font-weight: 700;
            margin: 2.8rem 0 1rem;
            color: var(--primary);
            border-left: 5px solid var(--accent);
            padding-left: 1rem;
        }
        article h3 {
            font-size: 1.4rem;
            font-weight: 600;
            margin: 2rem 0 0.6rem;
            color: #1e2a4a;
        }
        article h4 {
            font-size: 1.15rem;
            font-weight: 600;
            margin: 1.4rem 0 0.4rem;
            color: #2c3a5a;
        }
        article p {
            margin-bottom: 1.2rem;
            font-size: 1.02rem;
            color: #2c2c3a;
        }
        article ul,
        article ol {
            margin: 0.8rem 0 1.4rem 1.6rem;
        }
        article li {
            margin-bottom: 0.4rem;
        }
        .highlight-box {
            background: var(--white);
            border-left: 5px solid var(--accent);
            padding: 1.2rem 1.6rem;
            border-radius: 0 var(--radius) var(--radius) 0;
            margin: 1.6rem 0;
            box-shadow: var(--shadow);
        }
        .highlight-box p:last-child {
            margin-bottom: 0;
        }
        .quote-block {
            font-style: italic;
            background: #f0eef5;
            padding: 1.2rem 1.8rem;
            border-radius: var(--radius);
            margin: 1.6rem 0;
            border: 1px solid var(--border);
            position: relative;
        }
        .quote-block::before {
            content: "\201C";
            font-size: 3.2rem;
            color: var(--secondary);
            position: absolute;
            top: -0.2rem;
            left: 0.6rem;
            opacity: 0.25;
            font-family: serif;
        }
        .quote-block p {
            margin-bottom: 0.2rem;
        }
        .quote-block cite {
            display: block;
            margin-top: 0.4rem;
            font-size: 0.9rem;
            color: var(--text-light);
            font-style: normal;
        }
        .two-col-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 1.6rem;
            margin: 1.6rem 0;
        }
        .two-col-grid .card {
            background: var(--white);
            padding: 1.2rem 1.4rem;
            border-radius: var(--radius);
            box-shadow: var(--shadow);
            border: 1px solid var(--border);
        }
        .two-col-grid .card h4 {
            margin-top: 0;
        }
        .rating-stars {
            color: var(--accent);
            letter-spacing: 2px;
            font-size: 1.2rem;
        }
        .interactive-section {
            background: var(--white);
            border-radius: var(--radius);
            padding: 1.6rem 2rem;
            margin: 2.4rem 0;
            box-shadow: var(--shadow);
            border: 1px solid var(--border);
        }
        .interactive-section h3 {
            margin-top: 0;
            font-size: 1.3rem;
        }
        .form-group {
            margin-bottom: 1rem;
        }
        .form-group label {
            display: block;
            font-weight: 600;
            font-size: 0.9rem;
            margin-bottom: 0.25rem;
        }
        .form-group input,
        .form-group textarea,
        .form-group select {
            width: 100%;
            padding: 0.6rem 0.8rem;
            border: 1px solid var(--border);
            border-radius: 6px;
            font-family: var(--font);
            font-size: 0.95rem;
            background: var(--bg);
            transition: border 0.2s;
        }
        .form-group input:focus,
        .form-group textarea:focus,
        .form-group select:focus {
            outline: none;
            border-color: var(--primary);
            box-shadow: 0 0 0 3px rgba(26, 42, 108, 0.1);
        }
        .btn {
            display: inline-block;
            padding: 0.6rem 1.6rem;
            background: var(--primary);
            color: var(--white);
            border: none;
            border-radius: 6px;
            font-weight: 600;
            font-size: 0.95rem;
            cursor: pointer;
            transition: background 0.2s, transform 0.1s;
            text-decoration: none;
        }
        .btn:hover {
            background: var(--secondary);
            transform: translateY(-1px);
            color: var(--white);
        }
        .btn i {
            margin-right: 0.4rem;
        }
        .search-form {
            display: flex;
            gap: 0.5rem;
            flex-wrap: wrap;
        }
        .search-form input {
            flex: 1;
            min-width: 180px;
        }
        friend-link {
            display: block;
            padding: 1.6rem 0 0.8rem;
        }
        friend-link ul {
            list-style: none;
            display: flex;
            flex-wrap: wrap;
            gap: 0.5rem 1.6rem;
            padding: 0;
            margin: 0.6rem 0 0;
        }
        friend-link ul li a {
            font-weight: 500;
            font-size: 0.9rem;
            padding: 0.2rem 0;
        }
        footer {
            border-top: 2px solid var(--border);
            padding: 2rem 0 1.5rem;
            margin-top: 2rem;
            background: var(--white);
        }
        footer .footer-inner {
            display: flex;
            flex-wrap: wrap;
            justify-content: space-between;
            align-items: center;
            gap: 1rem;
        }
        footer .copyright {
            font-size: 0.85rem;
            color: var(--text-light);
        }
        footer .copyright i {
            color: var(--secondary);
        }
        @media (max-width: 768px) {
            body {
                padding: 0 0.6rem;
            }
            .hamburger {
                display: inline-block;
            }
            nav.nav-primary ul {
                display: none;
                flex-direction: column;
                width: 100%;
                background: var(--white);
                padding: 0.6rem 0 1rem;
                border-top: 1px solid var(--border);
                gap: 0.2rem;
            }
            #nav-toggle:checked~nav.nav-primary ul {
                display: flex;
            }
            .header-inner {
                align-items: center;
            }
            article h1 {
                font-size: 1.7rem;
            }
            article h2 {
                font-size: 1.4rem;
            }
            article h3 {
                font-size: 1.2rem;
            }
            .two-col-grid {
                grid-template-columns: 1fr;
            }
            .interactive-section {
                padding: 1.2rem 1rem;
            }
            .meta {
                flex-direction: column;
                gap: 0.2rem;
            }
            .hero-img img {
                max-height: 240px;
            }
            footer .footer-inner {
                flex-direction: column;
                text-align: center;
            }
        }
        @media (max-width: 480px) {
            .my-logo {
                font-size: 1.2rem;
            }
            article h1 {
                font-size: 1.4rem;
            }
            .btn {
                width: 100%;
                text-align: center;
            }
            .search-form {
                flex-direction: column;
            }
            .search-form input {
                min-width: auto;
            }
        }
        @media print {
            header,
            .breadcrumb,
            .interactive-section,
            footer,
            .hamburger,
            nav.nav-primary {
                display: none !important;
            }
            body {
                background: white;
                color: black;
                font-size: 12pt;
            }
            .hero-img img {
                max-height: 200px;
            }
        }
        .card {
            transition: transform 0.2s, box-shadow 0.2s;
        }
        .card:hover {
            transform: translateY(-3px);
            box-shadow: 0 12px 32px rgba(0, 0, 0, 0.08);
        }