*,
        *::before,
        *::after {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }
        html {
            scroll-behavior: smooth;
            font-size: 16px;
        }
        body {
            font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
            background: #f4f7fc;
            color: #1e293b;
            line-height: 1.7;
            padding: 0 16px;
        }
        a {
            color: #1a5fa8;
            text-decoration: none;
            transition: color 0.2s;
        }
        a:hover {
            color: #0d3b6e;
            text-decoration: underline;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
            border-radius: 12px;
        }
        .container {
            max-width: 1200px;
            margin: 0 auto;
            background: #ffffff;
            border-radius: 24px;
            box-shadow: 0 20px 60px rgba(0, 0, 0, 0.06);
            padding: 20px 28px 40px;
            margin-top: 20px;
            margin-bottom: 40px;
        }
        .site-header {
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            justify-content: space-between;
            padding: 16px 0 12px;
            border-bottom: 2px solid #e9edf2;
            position: relative;
        }
        .my-logo {
            font-size: 1.6rem;
            font-weight: 800;
            letter-spacing: -0.5px;
            background: linear-gradient(135deg, #1a3a6b, #2d6a9f);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
            text-decoration: none;
            display: inline-flex;
            align-items: center;
            gap: 6px;
        }
        .my-logo:hover {
            text-decoration: none;
            opacity: 0.85;
        }
        .my-logo span {
            font-size: 1.8rem;
            -webkit-text-fill-color: initial;
            color: #f5a623;
        }
        .main-nav {
            display: flex;
            align-items: center;
            gap: 8px;
            flex-wrap: wrap;
        }
        .main-nav a {
            padding: 6px 14px;
            border-radius: 40px;
            font-weight: 500;
            font-size: 0.9rem;
            background: transparent;
            color: #1e293b;
            transition: background 0.2s, color 0.2s;
        }
        .main-nav a:hover {
            background: #e9edf2;
            color: #1a5fa8;
            text-decoration: none;
        }
        .nav-toggle {
            display: none;
            background: none;
            border: none;
            font-size: 1.8rem;
            cursor: pointer;
            color: #1e293b;
            padding: 4px 8px;
            border-radius: 8px;
            transition: background 0.2s;
        }
        .nav-toggle:hover {
            background: #e9edf2;
        }
        .breadcrumb {
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            gap: 6px 12px;
            padding: 12px 0 8px;
            font-size: 0.85rem;
            color: #5a6b7d;
        }
        .breadcrumb a {
            color: #1a5fa8;
        }
        .breadcrumb a:hover {
            text-decoration: underline;
        }
        .breadcrumb .sep {
            color: #b0c0d0;
            font-weight: 300;
        }
        .breadcrumb .current {
            color: #7a8b9e;
        }
        .search-section {
            margin: 28px 0 24px;
            background: #f0f4fa;
            border-radius: 60px;
            padding: 6px 6px 6px 20px;
            display: flex;
            align-items: center;
            gap: 8px;
            max-width: 560px;
        }
        .search-section input {
            flex: 1;
            border: none;
            background: transparent;
            padding: 10px 0;
            font-size: 1rem;
            outline: none;
            color: #1e293b;
            min-width: 0;
        }
        .search-section input::placeholder {
            color: #8a9bb0;
        }
        .search-section button {
            background: #1a3a6b;
            border: none;
            color: #fff;
            font-weight: 600;
            padding: 10px 24px;
            border-radius: 40px;
            cursor: pointer;
            font-size: 0.95rem;
            transition: background 0.2s, transform 0.1s;
            white-space: nowrap;
        }
        .search-section button:hover {
            background: #0d2b52;
            transform: scale(0.97);
        }
        h1 {
            font-size: 2.4rem;
            font-weight: 800;
            line-height: 1.2;
            margin: 28px 0 12px;
            color: #0b1e33;
            letter-spacing: -0.5px;
        }
        h2 {
            font-size: 1.8rem;
            font-weight: 700;
            margin: 40px 0 14px;
            padding-bottom: 6px;
            border-bottom: 3px solid #e9edf2;
            color: #142b47;
        }
        h3 {
            font-size: 1.35rem;
            font-weight: 600;
            margin: 28px 0 10px;
            color: #1a3a5c;
        }
        h4 {
            font-size: 1.1rem;
            font-weight: 600;
            margin: 20px 0 8px;
            color: #2a4a6e;
        }
        p {
            margin-bottom: 16px;
            font-size: 1.05rem;
        }
        .last-updated {
            font-size: 0.85rem;
            color: #6a7b8e;
            margin-bottom: 24px;
            display: flex;
            align-items: center;
            gap: 6px;
        }
        .content-area {
            margin-top: 8px;
        }
        .content-area ul,
        .content-area ol {
            margin: 0 0 20px 24px;
        }
        .content-area li {
            margin-bottom: 8px;
            font-size: 1.05rem;
        }
        .highlight-box {
            background: #f0f7ff;
            border-left: 4px solid #2d6a9f;
            padding: 18px 22px;
            border-radius: 0 12px 12px 0;
            margin: 24px 0;
        }
        .highlight-box strong {
            color: #0d3b6e;
        }
        .emoji-big {
            font-size: 1.4rem;
            margin-right: 4px;
        }
        .article-image {
            margin: 28px 0;
            border-radius: 16px;
            background: #f0f4fa;
            padding: 8px;
        }
        .article-image figure {
            margin: 0;
        }
        .article-image figcaption {
            padding: 10px 4px 4px;
            font-size: 0.9rem;
            color: #5a6b7d;
            text-align: center;
            font-style: italic;
        }
        .link-list-inline {
            display: flex;
            flex-wrap: wrap;
            gap: 8px 16px;
            margin: 16px 0 20px;
            padding: 0;
            list-style: none;
        }
        .link-list-inline li a {
            background: #eef3f9;
            padding: 4px 14px;
            border-radius: 40px;
            font-size: 0.9rem;
            font-weight: 500;
            color: #1a5fa8;
            transition: background 0.2s;
        }
        .link-list-inline li a:hover {
            background: #dce6f0;
            text-decoration: none;
        }
        .comment-section,
        .score-section {
            margin: 40px 0 28px;
            padding-top: 20px;
            border-top: 2px solid #e9edf2;
        }
        .comment-section h3,
        .score-section h3 {
            margin-top: 0;
        }
        .comment-form,
        .score-form {
            display: flex;
            flex-direction: column;
            gap: 12px;
            max-width: 600px;
            margin-top: 12px;
        }
        .comment-form input,
        .comment-form textarea,
        .score-form input,
        .score-form select {
            padding: 12px 16px;
            border: 1px solid #d0dae6;
            border-radius: 12px;
            font-size: 1rem;
            font-family: inherit;
            transition: border 0.2s;
            background: #fafcfe;
        }
        .comment-form input:focus,
        .comment-form textarea:focus,
        .score-form input:focus,
        .score-form select:focus {
            border-color: #2d6a9f;
            outline: none;
            box-shadow: 0 0 0 3px rgba(45, 106, 159, 0.15);
        }
        .comment-form textarea {
            min-height: 100px;
            resize: vertical;
        }
        .comment-form button,
        .score-form button {
            align-self: flex-start;
            background: #1a3a6b;
            color: #fff;
            border: none;
            padding: 10px 32px;
            border-radius: 40px;
            font-weight: 600;
            font-size: 1rem;
            cursor: pointer;
            transition: background 0.2s, transform 0.1s;
        }
        .comment-form button:hover,
        .score-form button:hover {
            background: #0d2b52;
            transform: scale(0.97);
        }
        friend-link {
            display: block;
            margin-top: 28px;
            padding: 20px 0 12px;
            border-top: 2px solid #e9edf2;
        }
        friend-link h3 {
            font-size: 1.2rem;
            margin-bottom: 12px;
            color: #142b47;
        }
        friend-link ul {
            list-style: none;
            padding: 0;
            display: flex;
            flex-wrap: wrap;
            gap: 8px 18px;
        }
        friend-link ul li a {
            font-size: 0.95rem;
            color: #1a5fa8;
        }
        friend-link ul li a:hover {
            text-decoration: underline;
        }
        .site-footer {
            margin-top: 32px;
            padding: 20px 0 10px;
            border-top: 2px solid #e9edf2;
            font-size: 0.9rem;
            color: #5a6b7d;
            display: flex;
            flex-wrap: wrap;
            justify-content: space-between;
            align-items: center;
            gap: 12px;
        }
        .site-footer .copyright {
            font-weight: 400;
        }
        @media (max-width: 768px) {
            body {
                padding: 0 8px;
            }
            .container {
                padding: 12px 16px 28px;
                margin-top: 12px;
                border-radius: 16px;
            }
            h1 {
                font-size: 1.7rem;
            }
            h2 {
                font-size: 1.4rem;
            }
            h3 {
                font-size: 1.15rem;
            }
            .my-logo {
                font-size: 1.3rem;
            }
            .my-logo span {
                font-size: 1.4rem;
            }
            .nav-toggle {
                display: block;
            }
            .main-nav {
                display: none;
                width: 100%;
                flex-direction: column;
                align-items: stretch;
                gap: 4px;
                padding: 12px 0 4px;
            }
            .main-nav.open {
                display: flex;
            }
            .main-nav a {
                padding: 10px 16px;
                border-radius: 12px;
                font-size: 1rem;
            }
            .search-section {
                max-width: 100%;
                border-radius: 40px;
                padding: 4px 4px 4px 16px;
            }
            .search-section input {
                font-size: 0.9rem;
                padding: 8px 0;
            }
            .search-section button {
                padding: 8px 18px;
                font-size: 0.85rem;
            }
            .breadcrumb {
                font-size: 0.78rem;
                gap: 4px 8px;
            }
            .highlight-box {
                padding: 14px 16px;
            }
            .link-list-inline {
                gap: 6px 10px;
            }
            .link-list-inline li a {
                font-size: 0.82rem;
                padding: 3px 10px;
            }
            .comment-form button,
            .score-form button {
                width: 100%;
                text-align: center;
            }
            friend-link ul {
                flex-direction: column;
                gap: 6px;
            }
            .site-footer {
                flex-direction: column;
                text-align: center;
            }
        }
        @media (max-width: 480px) {
            .container {
                padding: 8px 10px 20px;
            }
            h1 {
                font-size: 1.4rem;
            }
            h2 {
                font-size: 1.2rem;
            }
            .my-logo {
                font-size: 1.1rem;
            }
            .my-logo span {
                font-size: 1.2rem;
            }
            .search-section {
                padding: 2px 2px 2px 12px;
            }
            .search-section input {
                font-size: 0.82rem;
                padding: 6px 0;
            }
            .search-section button {
                padding: 6px 14px;
                font-size: 0.78rem;
            }
            p {
                font-size: 0.98rem;
            }
            .content-area ul,
            .content-area ol {
                margin-left: 16px;
            }
        }
        .sr-only {
            position: absolute;
            width: 1px;
            height: 1px;
            padding: 0;
            margin: -1px;
            overflow: hidden;
            clip: rect(0, 0, 0, 0);
            border: 0;
        }