*,
        *::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: #f4f7fb;
            color: #1e2a3a;
            line-height: 1.7;
            padding: 0 1rem;
        }
        a {
            color: #0077b6;
            text-decoration: none;
            transition: color 0.2s;
        }
        a:hover {
            color: #023e8a;
            text-decoration: underline;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
            border-radius: 12px;
        }
        .container {
            max-width: 1200px;
            margin: 0 auto;
            background: #ffffff;
            box-shadow: 0 0 40px rgba(0, 0, 0, 0.05);
            border-radius: 24px;
            padding: 1.5rem 2rem 2rem;
        }
        @media (max-width: 768px) {
            body {
                padding: 0 0.5rem;
            }
            .container {
                padding: 1rem 1rem 1.5rem;
                border-radius: 16px;
            }
        }
        .site-header {
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            justify-content: space-between;
            padding: 1rem 0 1.2rem;
            border-bottom: 2px solid #e2e8f0;
            position: relative;
        }
        .my-logo {
            font-size: 1.9rem;
            font-weight: 800;
            letter-spacing: -0.5px;
            background: linear-gradient(145deg, #0b3b5c, #1f7a8c);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
            text-decoration: none;
            display: inline-flex;
            align-items: center;
            gap: 0.4rem;
        }
        .my-logo i {
            -webkit-text-fill-color: initial;
            color: #1f7a8c;
            font-size: 1.8rem;
        }
        .my-logo:hover {
            text-decoration: none;
            opacity: 0.85;
        }
        .my-logo small {
            font-size: 0.7rem;
            font-weight: 400;
            -webkit-text-fill-color: initial;
            color: #4a6a7a;
            letter-spacing: 0.3px;
            margin-left: 0.2rem;
        }
        .nav-wrapper {
            display: flex;
            align-items: center;
            gap: 0.8rem;
        }
        .nav-list {
            display: flex;
            list-style: none;
            gap: 1.2rem;
            flex-wrap: wrap;
        }
        .nav-list a {
            font-weight: 500;
            color: #1e2a3a;
            padding: 0.3rem 0.6rem;
            border-radius: 8px;
            transition: background 0.2s, color 0.2s;
            font-size: 0.95rem;
        }
        .nav-list a:hover {
            background: #e2e8f0;
            color: #0077b6;
            text-decoration: none;
        }
        .hamburger {
            display: none;
            background: none;
            border: none;
            font-size: 1.8rem;
            cursor: pointer;
            color: #1e2a3a;
            padding: 0.2rem 0.4rem;
        }
        #nav-toggle {
            display: none;
        }
        @media (max-width: 820px) {
            .hamburger {
                display: block;
            }
            .nav-list {
                display: none;
                flex-direction: column;
                width: 100%;
                background: #ffffff;
                padding: 1rem 0 0.8rem;
                border-top: 1px solid #e2e8f0;
                gap: 0.4rem;
            }
            #nav-toggle:checked~.nav-list {
                display: flex;
            }
            .nav-wrapper {
                flex-wrap: wrap;
            }
            .nav-list a {
                padding: 0.6rem 0.8rem;
                display: block;
                border-radius: 6px;
            }
        }
        .breadcrumb {
            display: flex;
            flex-wrap: wrap;
            list-style: none;
            padding: 0.8rem 0 0.2rem;
            font-size: 0.85rem;
            color: #5a6a7a;
            gap: 0.3rem 0.6rem;
        }
        .breadcrumb li+li::before {
            content: "›";
            margin-right: 0.5rem;
            color: #8a9aa8;
            font-weight: 600;
        }
        .breadcrumb a {
            color: #0077b6;
        }
        .breadcrumb .active {
            color: #3a4a5a;
            font-weight: 500;
        }
        h1 {
            font-size: 2.6rem;
            font-weight: 800;
            line-height: 1.2;
            margin: 1.2rem 0 0.8rem;
            color: #0b2a3a;
            letter-spacing: -0.5px;
        }
        h2 {
            font-size: 2rem;
            font-weight: 700;
            margin: 2.4rem 0 1rem;
            padding-bottom: 0.4rem;
            border-bottom: 3px solid #d4e0ec;
            color: #0b3b5c;
        }
        h3 {
            font-size: 1.5rem;
            font-weight: 600;
            margin: 1.8rem 0 0.8rem;
            color: #1a4a6a;
        }
        h4 {
            font-size: 1.2rem;
            font-weight: 600;
            margin: 1.4rem 0 0.6rem;
            color: #2a5a7a;
        }
        p {
            margin-bottom: 1rem;
        }
        .lead {
            font-size: 1.2rem;
            color: #2a3a4a;
            font-weight: 400;
            line-height: 1.6;
        }
        .meta-date {
            display: inline-block;
            background: #e8eef4;
            padding: 0.3rem 1rem;
            border-radius: 30px;
            font-size: 0.85rem;
            color: #3a5a6a;
            margin: 0.6rem 0 1.2rem;
        }
        .highlight-box {
            background: #eef4fa;
            border-left: 5px solid #1f7a8c;
            padding: 1.2rem 1.5rem;
            border-radius: 12px;
            margin: 1.4rem 0;
        }
        .emoji-big {
            font-size: 1.8rem;
            display: inline-block;
            margin-right: 0.3rem;
        }
        .badge {
            display: inline-block;
            background: #d4e0ec;
            padding: 0.1rem 0.8rem;
            border-radius: 20px;
            font-size: 0.8rem;
            font-weight: 600;
            color: #1a3a4a;
        }
        .card-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
            gap: 1.5rem;
            margin: 1.8rem 0;
        }
        .card {
            background: #f8fafc;
            padding: 1.4rem 1.2rem 1.2rem;
            border-radius: 16px;
            border: 1px solid #e2e8f0;
            transition: transform 0.15s, box-shadow 0.2s;
        }
        .card:hover {
            transform: translateY(-4px);
            box-shadow: 0 12px 28px rgba(0, 0, 0, 0.06);
        }
        .card h4 {
            margin-top: 0;
        }
        .card i {
            color: #1f7a8c;
            margin-right: 0.4rem;
        }
        .table-wrap {
            overflow-x: auto;
            margin: 1.5rem 0;
        }
        table {
            width: 100%;
            border-collapse: collapse;
            font-size: 0.95rem;
        }
        th,
        td {
            padding: 0.7rem 1rem;
            text-align: left;
            border-bottom: 1px solid #dce4ec;
        }
        th {
            background: #e8eef4;
            font-weight: 600;
            color: #0b3b5c;
        }
        tr:hover td {
            background: #f2f6fa;
        }
        .search-form {
            display: flex;
            gap: 0.6rem;
            max-width: 500px;
            margin: 1.2rem 0 1.8rem;
            flex-wrap: wrap;
        }
        .search-form input {
            flex: 1;
            padding: 0.7rem 1rem;
            border: 2px solid #d4e0ec;
            border-radius: 40px;
            font-size: 1rem;
            background: #f8fafc;
            transition: border 0.2s;
            min-width: 180px;
        }
        .search-form input:focus {
            border-color: #1f7a8c;
            outline: none;
            background: #ffffff;
        }
        .search-form button {
            padding: 0.7rem 1.6rem;
            background: #1f7a8c;
            color: #fff;
            border: none;
            border-radius: 40px;
            font-size: 1rem;
            font-weight: 600;
            cursor: pointer;
            transition: background 0.2s;
            display: inline-flex;
            align-items: center;
            gap: 0.5rem;
        }
        .search-form button:hover {
            background: #0b5a6a;
        }
        .comment-section,
        .score-section {
            background: #f8fafc;
            padding: 1.5rem 1.8rem;
            border-radius: 16px;
            border: 1px solid #e2e8f0;
            margin: 2rem 0 1.2rem;
        }
        .comment-section h3,
        .score-section h3 {
            margin-top: 0;
            display: flex;
            align-items: center;
            gap: 0.6rem;
        }
        .comment-form,
        .score-form {
            display: flex;
            flex-direction: column;
            gap: 0.8rem;
            margin-top: 0.8rem;
        }
        .comment-form textarea,
        .comment-form input,
        .score-form select,
        .score-form input {
            padding: 0.7rem 1rem;
            border: 2px solid #d4e0ec;
            border-radius: 12px;
            font-size: 0.95rem;
            font-family: inherit;
            background: #ffffff;
            transition: border 0.2s;
        }
        .comment-form textarea:focus,
        .comment-form input:focus,
        .score-form select:focus {
            border-color: #1f7a8c;
            outline: none;
        }
        .comment-form textarea {
            min-height: 100px;
            resize: vertical;
        }
        .comment-form button,
        .score-form button {
            align-self: flex-start;
            padding: 0.6rem 1.8rem;
            background: #1f7a8c;
            color: #fff;
            border: none;
            border-radius: 40px;
            font-weight: 600;
            cursor: pointer;
            transition: background 0.2s;
        }
        .comment-form button:hover,
        .score-form button:hover {
            background: #0b5a6a;
        }
        .site-footer {
            margin-top: 3rem;
            padding-top: 1.8rem;
            border-top: 2px solid #e2e8f0;
            font-size: 0.9rem;
            color: #4a5a6a;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
            gap: 1.5rem;
            margin-bottom: 1.5rem;
        }
        friend-link {
            display: block;
            font-weight: 500;
            margin-bottom: 0.3rem;
        }
        friend-link a {
            display: inline-block;
            padding: 0.2rem 0;
            color: #0077b6;
        }
        .copyright {
            text-align: center;
            padding: 1.2rem 0 0.4rem;
            font-size: 0.85rem;
            border-top: 1px solid #dce4ec;
            color: #5a6a7a;
        }
        .copyright i {
            margin: 0 0.3rem;
        }
        @media (max-width: 600px) {
            h1 {
                font-size: 1.8rem;
            }
            h2 {
                font-size: 1.5rem;
            }
            h3 {
                font-size: 1.25rem;
            }
            .container {
                padding: 0.8rem;
            }
            .my-logo {
                font-size: 1.5rem;
            }
            .my-logo small {
                font-size: 0.6rem;
            }
            .search-form button {
                padding: 0.6rem 1.2rem;
                font-size: 0.9rem;
            }
            .comment-section,
            .score-section {
                padding: 1rem 1.2rem;
            }
        }
        @media (max-width: 400px) {
            .breadcrumb {
                font-size: 0.75rem;
            }
            .card-grid {
                grid-template-columns: 1fr;
            }
        }
        .btn-outline {
            background: transparent;
            border: 2px solid #1f7a8c;
            color: #1f7a8c;
            padding: 0.4rem 1.2rem;
            border-radius: 40px;
            font-weight: 600;
            cursor: pointer;
            transition: 0.2s;
            display: inline-flex;
            align-items: center;
            gap: 0.4rem;
        }
        .btn-outline:hover {
            background: #1f7a8c;
            color: #fff;
            text-decoration: none;
        }
        .schema-hidden {
            display: none;
        }