*,
        *::before,
        *::after {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }
        html {
            scroll-behavior: smooth;
            font-size: 16px;
        }
        body {
            font-family: 'Segoe UI', Roboto, -apple-system, BlinkMacSystemFont, 'Helvetica Neue', Arial, sans-serif;
            background: #f6f9fc;
            color: #1a2a3a;
            line-height: 1.7;
            display: flex;
            flex-direction: column;
            min-height: 100vh;
        }
        a {
            color: #0077b6;
            text-decoration: none;
            transition: color 0.2s ease;
        }
        a:hover,
        a:focus {
            color: #023e8a;
            text-decoration: underline;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        ul,
        ol {
            padding-left: 1.5rem;
        }
        h1,
        h2,
        h3,
        h4,
        h5,
        h6 {
            font-weight: 700;
            line-height: 1.25;
            color: #0d1b2a;
            margin-top: 1.8rem;
            margin-bottom: 0.6rem;
        }
        h1 {
            font-size: 2.4rem;
            margin-top: 0.2rem;
        }
        h2 {
            font-size: 1.8rem;
            border-bottom: 3px solid #48cae4;
            padding-bottom: 0.3rem;
        }
        h3 {
            font-size: 1.4rem;
        }
        h4 {
            font-size: 1.15rem;
            font-weight: 600;
        }
        p {
            margin-bottom: 1rem;
        }
        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 1.2rem;
        }
        .site-header {
            background: #0d1b2a;
            color: #fff;
            padding: 0.8rem 0;
            position: sticky;
            top: 0;
            z-index: 1000;
            box-shadow: 0 2px 12px rgba(0, 0, 0, 0.15);
        }
        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
        }
        .my-logo {
            font-size: 1.6rem;
            font-weight: 800;
            color: #48cae4;
            letter-spacing: 1px;
            text-transform: uppercase;
            background: linear-gradient(135deg, #48cae4, #0077b6);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
            display: inline-block;
        }
        .my-logo:hover {
            opacity: 0.85;
            text-decoration: none;
        }
        .my-logo small {
            font-size: 0.7rem;
            display: block;
            -webkit-text-fill-color: #a0c4d4;
            color: #a0c4d4;
            letter-spacing: 2px;
        }
        .nav-wrap {
            display: flex;
            align-items: center;
            gap: 0.8rem;
        }
        .nav-list {
            list-style: none;
            display: flex;
            gap: 0.2rem;
            flex-wrap: wrap;
            padding: 0;
        }
        .nav-list li a {
            color: #e0e8f0;
            padding: 0.5rem 0.9rem;
            border-radius: 30px;
            font-size: 0.9rem;
            font-weight: 500;
            transition: background 0.25s, color 0.25s;
            display: block;
        }
        .nav-list li a:hover,
        .nav-list li a:focus {
            background: #1e3a5f;
            color: #fff;
            text-decoration: none;
        }
        .nav-list li a.active {
            background: #48cae4;
            color: #0d1b2a;
        }
        .hamburger {
            display: none;
            background: none;
            border: none;
            font-size: 1.8rem;
            color: #fff;
            cursor: pointer;
            padding: 0.2rem 0.4rem;
            line-height: 1;
        }
        .hamburger:focus {
            outline: 2px solid #48cae4;
        }
        .breadcrumb {
            background: #e9f0f5;
            padding: 0.5rem 0;
            font-size: 0.85rem;
            border-bottom: 1px solid #d0dce6;
        }
        .breadcrumb ol {
            list-style: none;
            display: flex;
            flex-wrap: wrap;
            gap: 0.3rem 0.6rem;
            padding: 0;
            margin: 0;
        }
        .breadcrumb li+li::before {
            content: "›";
            margin-right: 0.5rem;
            color: #6c8a9f;
            font-weight: 600;
        }
        .breadcrumb a {
            color: #2a5775;
        }
        .breadcrumb .current {
            color: #0d1b2a;
            font-weight: 600;
        }
        .main-wrap {
            flex: 1;
            padding: 2rem 0 3rem;
        }
        .article-body {
            background: #fff;
            border-radius: 20px;
            padding: 2rem 2.2rem;
            box-shadow: 0 6px 30px rgba(0, 0, 0, 0.04);
            margin-bottom: 2.5rem;
        }
        .article-body .meta {
            color: #4a6a7a;
            font-size: 0.9rem;
            display: flex;
            flex-wrap: wrap;
            gap: 1rem;
            margin-bottom: 1.2rem;
            border-bottom: 1px solid #e6edf3;
            padding-bottom: 0.8rem;
        }
        .article-body .meta i {
            margin-right: 0.3rem;
        }
        .article-body .featured-img {
            margin: 1.8rem 0;
            border-radius: 16px;
            overflow: hidden;
            box-shadow: 0 8px 28px rgba(0, 0, 0, 0.08);
            background: #dce5ed;
            text-align: center;
        }
        .article-body .featured-img img {
            width: 100%;
            max-height: 460px;
            object-fit: cover;
        }
        .article-body .featured-img figcaption {
            font-size: 0.85rem;
            color: #4a6a7a;
            padding: 0.6rem 1rem;
            background: #f0f5fa;
            text-align: left;
        }
        .highlight-box {
            background: #eef7fb;
            border-left: 6px solid #48cae4;
            padding: 1.2rem 1.6rem;
            border-radius: 0 12px 12px 0;
            margin: 1.6rem 0;
        }
        .highlight-box strong {
            color: #023e8a;
        }
        .stat-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
            gap: 1rem;
            margin: 1.8rem 0;
        }
        .stat-card {
            background: #f0f7fe;
            border-radius: 14px;
            padding: 1.2rem 1rem;
            text-align: center;
            border: 1px solid #d8e7f2;
            transition: transform 0.2s;
        }
        .stat-card:hover {
            transform: translateY(-4px);
        }
        .stat-card .num {
            font-size: 2rem;
            font-weight: 800;
            color: #0077b6;
            display: block;
        }
        .stat-card .label {
            font-size: 0.85rem;
            color: #2a5775;
            margin-top: 0.2rem;
        }
        .interview-block {
            background: #faf5eb;
            border-radius: 16px;
            padding: 1.6rem 2rem;
            margin: 2rem 0;
            border: 1px solid #ece1cf;
        }
        .interview-block .quote {
            font-style: italic;
            font-size: 1.05rem;
            border-left: 4px solid #c9a96e;
            padding-left: 1.2rem;
            margin: 0.8rem 0;
            color: #2d3f4e;
        }
        .interview-block .attribution {
            font-weight: 600;
            color: #7a5c3a;
            text-align: right;
        }
        .tip-list {
            list-style: none;
            padding: 0;
        }
        .tip-list li {
            padding: 0.6rem 0 0.6rem 2rem;
            position: relative;
            border-bottom: 1px solid #eef3f7;
        }
        .tip-list li::before {
            content: "🐍";
            position: absolute;
            left: 0;
            top: 0.6rem;
            font-size: 1.1rem;
        }
        .pros-cons {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 1.6rem;
            margin: 1.8rem 0;
        }
        .pros-cons .pros h4 {
            color: #007f5f;
        }
        .pros-cons .cons h4 {
            color: #c1121f;
        }
        .pros-cons ul {
            list-style: none;
            padding: 0;
        }
        .pros-cons li {
            padding: 0.3rem 0 0.3rem 1.6rem;
            position: relative;
        }
        .pros-cons .pros li::before {
            content: "✅ ";
            position: absolute;
            left: 0;
        }
        .pros-cons .cons li::before {
            content: "❌ ";
            position: absolute;
            left: 0;
        }
        .interactive-section {
            background: #fff;
            border-radius: 20px;
            padding: 2rem 2.2rem;
            box-shadow: 0 6px 30px rgba(0, 0, 0, 0.04);
            margin-bottom: 2.5rem;
        }
        .interactive-section h2 {
            border-bottom-color: #f4a261;
        }
        .form-group {
            margin-bottom: 1.2rem;
        }
        .form-group label {
            font-weight: 600;
            display: block;
            margin-bottom: 0.3rem;
            color: #1a2a3a;
        }
        .form-group input,
        .form-group textarea,
        .form-group select {
            width: 100%;
            padding: 0.7rem 1rem;
            border: 2px solid #dce5ed;
            border-radius: 10px;
            font-size: 0.95rem;
            font-family: inherit;
            transition: border 0.2s;
            background: #fafcfe;
        }
        .form-group input:focus,
        .form-group textarea:focus,
        .form-group select:focus {
            border-color: #48cae4;
            outline: none;
            box-shadow: 0 0 0 4px rgba(72, 202, 228, 0.15);
        }
        .form-group textarea {
            min-height: 100px;
            resize: vertical;
        }
        .btn {
            background: #0077b6;
            color: #fff;
            border: none;
            padding: 0.7rem 2rem;
            border-radius: 40px;
            font-weight: 600;
            font-size: 0.95rem;
            cursor: pointer;
            transition: background 0.25s, transform 0.15s;
            display: inline-flex;
            align-items: center;
            gap: 0.5rem;
        }
        .btn:hover,
        .btn:focus {
            background: #023e8a;
            transform: scale(1.02);
            text-decoration: none;
        }
        .btn-secondary {
            background: #2a5775;
        }
        .btn-secondary:hover {
            background: #0d1b2a;
        }
        .star-rating {
            display: flex;
            gap: 0.3rem;
            font-size: 2rem;
            cursor: pointer;
            direction: rtl;
        }
        .star-rating input {
            display: none;
        }
        .star-rating label {
            color: #d0dce6;
            transition: color 0.2s;
            cursor: pointer;
        }
        .star-rating label:hover,
        .star-rating label:hover~label,
        .star-rating input:checked~label {
            color: #f4a261;
        }
        .related-links {
            background: #fff;
            border-radius: 20px;
            padding: 1.6rem 2rem;
            box-shadow: 0 6px 30px rgba(0, 0, 0, 0.04);
            margin-bottom: 2rem;
        }
        .related-links h3 {
            margin-top: 0;
            font-size: 1.3rem;
        }
        .related-links ul {
            list-style: none;
            padding: 0;
            columns: 2 220px;
            column-gap: 1.6rem;
        }
        .related-links li {
            padding: 0.4rem 0;
            break-inside: avoid;
        }
        .related-links li a {
            display: flex;
            align-items: center;
            gap: 0.4rem;
            font-weight: 500;
        }
        .related-links li a i {
            color: #48cae4;
            font-size: 0.8rem;
        }
        .site-footer {
            background: #0d1b2a;
            color: #b0c8d8;
            padding: 2.2rem 0 1.5rem;
            font-size: 0.9rem;
            margin-top: 2rem;
        }
        .footer-inner {
            display: flex;
            flex-wrap: wrap;
            justify-content: space-between;
            gap: 2rem;
        }
        .footer-inner .col {
            flex: 1 1 200px;
        }
        .footer-inner h4 {
            color: #fff;
            font-size: 1rem;
            margin-top: 0;
            margin-bottom: 0.6rem;
            border-bottom: 2px solid #1e3a5f;
            padding-bottom: 0.3rem;
        }
        .footer-inner a {
            color: #8cb0c8;
        }
        .footer-inner a:hover {
            color: #48cae4;
        }
        .friend-link {
            display: block;
            padding: 0.3rem 0;
        }
        .friend-link a {
            display: inline-flex;
            align-items: center;
            gap: 0.4rem;
        }
        .copyright {
            border-top: 1px solid #1e3a5f;
            margin-top: 1.8rem;
            padding-top: 1.2rem;
            text-align: center;
            font-size: 0.8rem;
            color: #6a8a9f;
        }
        .copyright strong {
            color: #b0c8d8;
        }
        @media (max-width: 820px) {
            .hamburger {
                display: block;
            }
            .nav-list {
                display: none;
                flex-direction: column;
                width: 100%;
                background: #0f1f30;
                padding: 0.8rem 0.4rem;
                border-radius: 0 0 16px 16px;
                margin-top: 0.6rem;
                gap: 0.1rem;
            }
            .nav-list.open {
                display: flex;
            }
            .nav-list li a {
                padding: 0.6rem 1rem;
            }
            .header-inner {
                align-items: center;
            }
            .nav-wrap {
                width: 100%;
                flex-direction: column;
                align-items: stretch;
            }
            .article-body {
                padding: 1.2rem 1rem;
            }
            .interactive-section {
                padding: 1.2rem 1rem;
            }
            .pros-cons {
                grid-template-columns: 1fr;
            }
            .stat-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            h1 {
                font-size: 1.8rem;
            }
            h2 {
                font-size: 1.4rem;
            }
            h3 {
                font-size: 1.15rem;
            }
            .related-links ul {
                columns: 1;
            }
        }
        @media (max-width: 480px) {
            .stat-grid {
                grid-template-columns: 1fr;
            }
            .article-body .meta {
                flex-direction: column;
                gap: 0.2rem;
            }
            .my-logo {
                font-size: 1.2rem;
            }
            .btn {
                width: 100%;
                justify-content: center;
            }
        }
        .sr-only {
            position: absolute;
            width: 1px;
            height: 1px;
            padding: 0;
            margin: -1px;
            overflow: hidden;
            clip: rect(0, 0, 0, 0);
            border: 0;
        }
        .text-center {
            text-align: center;
        }
        .mt-2 {
            margin-top: 1.2rem;
        }
        .mb-2 {
            margin-bottom: 1.2rem;
        }
        .flex-between {
            display: flex;
            flex-wrap: wrap;
            justify-content: space-between;
            align-items: center;
        }
        .comment-list {
            margin-top: 1.4rem;
            border-top: 2px solid #e6edf3;
            padding-top: 1rem;
        }
        .comment-item {
            background: #f6fafd;
            border-radius: 12px;
            padding: 0.8rem 1.2rem;
            margin-bottom: 0.8rem;
            border-left: 4px solid #48cae4;
        }
        .comment-item .author {
            font-weight: 700;
            color: #0d1b2a;
        }
        .comment-item .date {
            font-size: 0.8rem;
            color: #6a8a9f;
        }
        .comment-item .text {
            margin-top: 0.3rem;
        }
        .score-display {
            font-size: 1.8rem;
            font-weight: 700;
            color: #f4a261;
            margin-top: 0.4rem;
        }
        .score-display .stars {
            color: #f4a261;
            font-size: 1.6rem;
        }