*, *::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: #f5f7fa;
            color: #1e2a3a;
            line-height: 1.75;
            -webkit-font-smoothing: antialiased;
        }
        a { color: #1a6ea0; text-decoration: none; transition: color 0.2s; }
        a:hover { color: #0d3b5c; text-decoration: underline; }
        img { max-width: 100%; height: auto; display: block; border-radius: 12px; }
        .container { max-width: 1200px; margin: 0 auto; padding: 0 24px; }
        .site-header {
            background: linear-gradient(135deg, #0b1a2b 0%, #1a3a4a 100%);
            color: #fff;
            padding: 16px 0;
            box-shadow: 0 4px 20px rgba(0,0,0,0.15);
            position: sticky;
            top: 0;
            z-index: 100;
        }
        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 12px;
        }
        .my-logo {
            font-size: 1.8rem;
            font-weight: 700;
            letter-spacing: -0.5px;
            background: linear-gradient(135deg, #f9d976, #f39f86);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
            transition: opacity 0.3s;
        }
        .my-logo:hover { opacity: 0.85; text-decoration: none; }
        .my-logo small { font-size: 0.7rem; display: block; color: #b0c7d7; -webkit-text-fill-color: #b0c7d7; font-weight: 400; letter-spacing: 0.3px; }
        .nav-toggle { display: none; background: none; border: 2px solid rgba(255,255,255,0.25); color: #fff; font-size: 1.6rem; padding: 6px 14px; border-radius: 8px; cursor: pointer; transition: background 0.2s; }
        .nav-toggle:hover { background: rgba(255,255,255,0.1); }
        .nav-menu { display: flex; gap: 8px; flex-wrap: wrap; align-items: center; }
        .nav-menu a {
            color: #e0edf5;
            padding: 8px 16px;
            border-radius: 40px;
            font-size: 0.95rem;
            font-weight: 500;
            transition: all 0.25s;
            white-space: nowrap;
        }
        .nav-menu a:hover { background: rgba(255,255,255,0.15); color: #fff; text-decoration: none; }
        .nav-menu a i { margin-right: 6px; font-size: 0.9rem; }
        .breadcrumb {
            background: #e9eef3;
            padding: 12px 0;
            font-size: 0.9rem;
            border-bottom: 1px solid #dce3ea;
        }
        .breadcrumb ol {
            list-style: none;
            display: flex;
            flex-wrap: wrap;
            gap: 6px 12px;
            align-items: center;
        }
        .breadcrumb li { color: #4a5a6a; }
        .breadcrumb li+li::before { content: "›"; margin-right: 12px; color: #8a9aa8; font-weight: 700; }
        .breadcrumb a { color: #1a6ea0; }
        .breadcrumb a:hover { text-decoration: underline; }
        .breadcrumb .active { color: #2c3e50; font-weight: 600; }
        .main-content { padding: 48px 0 64px; }
        .article-card {
            background: #fff;
            border-radius: 24px;
            box-shadow: 0 8px 40px rgba(0,0,0,0.06);
            padding: 40px 48px;
            margin-bottom: 48px;
        }
        @media (max-width: 768px) {
            .article-card { padding: 24px 18px; }
        }
        h1 { font-size: 2.6rem; font-weight: 800; line-height: 1.2; margin-bottom: 16px; color: #0b1a2b; letter-spacing: -0.02em; }
        h2 { font-size: 1.9rem; font-weight: 700; margin-top: 48px; margin-bottom: 16px; color: #13303f; border-left: 6px solid #f39f86; padding-left: 18px; }
        h3 { font-size: 1.4rem; font-weight: 600; margin-top: 32px; margin-bottom: 12px; color: #1a3a4a; }
        h4 { font-size: 1.15rem; font-weight: 600; margin-top: 24px; margin-bottom: 8px; color: #2a4a5a; }
        p { margin-bottom: 18px; font-size: 1.05rem; color: #2a3a4a; }
        .lead { font-size: 1.25rem; font-weight: 400; color: #3a4a5a; line-height: 1.8; margin-bottom: 28px; }
        hr { border: none; border-top: 2px solid #e8edf2; margin: 40px 0; }
        .emoji { font-size: 1.3rem; margin-right: 6px; }
        .featured-image { margin: 32px 0; border-radius: 16px; box-shadow: 0 8px 30px rgba(0,0,0,0.08); }
        .featured-image figcaption { font-size: 0.9rem; color: #5a6a7a; margin-top: 10px; text-align: center; font-style: italic; }
        .link-group { background: #f0f4f9; border-radius: 16px; padding: 20px 24px; margin: 28px 0; }
        .link-group a { display: inline-block; margin: 4px 8px 4px 0; }
        .link-group a::after { content: " ·"; color: #8a9aa8; }
        .link-group a:last-child::after { content: ""; }
        .search-section { background: #eef3f8; border-radius: 20px; padding: 32px 28px; margin: 40px 0; }
        .search-form { display: flex; gap: 12px; flex-wrap: wrap; max-width: 640px; }
        .search-form input {
            flex: 1;
            min-width: 200px;
            padding: 14px 20px;
            border: 2px solid #d0dae4;
            border-radius: 50px;
            font-size: 1rem;
            outline: none;
            transition: border 0.3s, box-shadow 0.3s;
            background: #fff;
        }
        .search-form input:focus { border-color: #1a6ea0; box-shadow: 0 0 0 4px rgba(26,110,160,0.12); }
        .search-form button {
            background: #1a6ea0;
            color: #fff;
            border: none;
            padding: 14px 36px;
            border-radius: 50px;
            font-size: 1rem;
            font-weight: 600;
            cursor: pointer;
            transition: background 0.25s, transform 0.1s;
            display: flex;
            align-items: center;
            gap: 10px;
        }
        .search-form button:hover { background: #0d4a70; transform: scale(1.02); }
        .comment-section { background: #f8fafc; border-radius: 20px; padding: 32px 28px; margin: 40px 0; border: 1px solid #e2e8ef; }
        .comment-section h3 { margin-top: 0; }
        .comment-form textarea {
            width: 100%;
            min-height: 120px;
            padding: 16px 20px;
            border: 2px solid #d0dae4;
            border-radius: 16px;
            font-size: 1rem;
            font-family: inherit;
            outline: none;
            transition: border 0.3s, box-shadow 0.3s;
            resize: vertical;
            background: #fff;
        }
        .comment-form textarea:focus { border-color: #1a6ea0; box-shadow: 0 0 0 4px rgba(26,110,160,0.08); }
        .comment-form .form-row { display: flex; gap: 16px; flex-wrap: wrap; margin-top: 16px; align-items: center; }
        .comment-form input[type="text"] {
            flex: 1;
            min-width: 180px;
            padding: 12px 18px;
            border: 2px solid #d0dae4;
            border-radius: 50px;
            font-size: 0.95rem;
            outline: none;
            transition: border 0.3s;
            background: #fff;
        }
        .comment-form input[type="text"]:focus { border-color: #1a6ea0; }
        .comment-form button {
            background: #2c5f2d;
            color: #fff;
            border: none;
            padding: 12px 32px;
            border-radius: 50px;
            font-size: 1rem;
            font-weight: 600;
            cursor: pointer;
            transition: background 0.25s;
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .comment-form button:hover { background: #1a3f1b; }
        .rating-section { background: #f0f4f9; border-radius: 20px; padding: 28px 28px; margin: 40px 0; text-align: center; }
        .rating-stars { display: flex; gap: 6px; justify-content: center; margin: 16px 0; font-size: 2.2rem; }
        .rating-stars i { color: #d0dae4; cursor: pointer; transition: color 0.2s, transform 0.15s; }
        .rating-stars i:hover, .rating-stars i.active { color: #f5b342; transform: scale(1.1); }
        .rating-stars i.fa-star { color: #f5b342; }
        .rating-form button {
            background: #7a4a8a;
            color: #fff;
            border: none;
            padding: 12px 40px;
            border-radius: 50px;
            font-size: 1rem;
            font-weight: 600;
            cursor: pointer;
            transition: background 0.25s;
            margin-top: 8px;
        }
        .rating-form button:hover { background: #5a2a6a; }
        .last-updated { display: flex; align-items: center; gap: 8px; color: #5a6a7a; font-size: 0.95rem; margin-top: 12px; padding-top: 12px; border-top: 1px solid #e2e8ef; }
        .site-footer {
            background: #0b1a2b;
            color: #b0c7d7;
            padding: 40px 0 32px;
            margin-top: 48px;
        }
        .footer-inner { display: flex; flex-direction: column; gap: 24px; }
        .footer-links { display: flex; flex-wrap: wrap; gap: 12px 24px; justify-content: center; }
        .footer-links a { color: #b0c7d7; font-size: 0.95rem; transition: color 0.2s; }
        .footer-links a:hover { color: #f9d976; text-decoration: none; }
        .footer-copy { text-align: center; font-size: 0.9rem; color: #7a8a9a; border-top: 1px solid #1a3a4a; padding-top: 20px; margin-top: 8px; }
        .footer-copy strong { color: #c0d7e7; }
        friend-link { display: flex; flex-wrap: wrap; gap: 12px 24px; justify-content: center; padding: 12px 0; }
        friend-link a { color: #b0c7d7; font-size: 0.95rem; transition: color 0.2s; position: relative; }
        friend-link a:hover { color: #f9d976; text-decoration: none; }
        friend-link a:not(:last-child)::after { content: "•"; color: #4a6a7a; margin-left: 12px; }
        @media (max-width: 900px) {
            h1 { font-size: 2.1rem; }
            h2 { font-size: 1.6rem; }
        }
        @media (max-width: 768px) {
            .nav-toggle { display: block; }
            .nav-menu {
                display: none;
                width: 100%;
                flex-direction: column;
                align-items: stretch;
                background: rgba(11,26,43,0.98);
                border-radius: 16px;
                padding: 16px;
                margin-top: 8px;
                gap: 4px;
            }
            .nav-menu.open { display: flex; }
            .nav-menu a { padding: 12px 16px; border-radius: 10px; white-space: normal; }
            .header-inner { position: relative; }
            .my-logo { font-size: 1.5rem; }
            .breadcrumb ol { font-size: 0.8rem; gap: 4px 8px; }
            .search-form { flex-direction: column; }
            .search-form button { justify-content: center; }
            .comment-form .form-row { flex-direction: column; }
            .rating-stars { font-size: 1.8rem; }
            .article-card { padding: 20px 14px; }
        }
        @media (max-width: 480px) {
            h1 { font-size: 1.7rem; }
            h2 { font-size: 1.3rem; }
            .container { padding: 0 14px; }
            .main-content { padding: 24px 0 40px; }
        }
        .skip-link { position: absolute; top: -100px; left: 8px; background: #fff; color: #0b1a2b; padding: 12px 24px; border-radius: 8px; font-weight: 600; z-index: 999; transition: top 0.25s; }
        .skip-link:focus { top: 8px; }
        .highlight { background: #fcf2e0; padding: 2px 6px; border-radius: 6px; font-weight: 600; }
        .card-stat { display: inline-block; background: #1a3a4a; color: #fff; padding: 4px 14px; border-radius: 40px; font-size: 0.85rem; font-weight: 600; }
        .flex-stats { display: flex; flex-wrap: wrap; gap: 16px; margin: 20px 0; }
        .flex-stats .stat-item { background: #f0f4f9; border-radius: 12px; padding: 16px 20px; flex: 1; min-width: 120px; text-align: center; }
        .flex-stats .stat-item .num { font-size: 1.8rem; font-weight: 800; color: #0b1a2b; display: block; }
        .flex-stats .stat-item .label { font-size: 0.85rem; color: #5a6a7a; }
        blockquote {
            border-left: 6px solid #f39f86;
            background: #f8f4ee;
            padding: 20px 28px;
            margin: 28px 0;
            border-radius: 0 16px 16px 0;
            font-style: italic;
            color: #2a3a4a;
            font-size: 1.08rem;
        }
        blockquote cite { display: block; margin-top: 10px; font-style: normal; font-weight: 600; color: #1a3a4a; }