*,
        *::before,
        *::after {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }
        html {
            scroll-behavior: smooth;
            font-size: 16px;
        }
        body {
            font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
            line-height: 1.7;
            background: #f5f7fa;
            color: #1a1a2e;
            padding: 0 16px;
            max-width: 1200px;
            margin: 0 auto;
        }
        a {
            color: #0f4c81;
            text-decoration: none;
            transition: color 0.2s;
        }
        a:hover {
            color: #c0392b;
            text-decoration: underline;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
            border-radius: 12px;
        }
        ul,
        ol {
            padding-left: 1.5rem;
            margin: 1rem 0;
        }
        li {
            margin-bottom: 0.4rem;
        }
        h1,
        h2,
        h3,
        h4 {
            font-weight: 700;
            line-height: 1.25;
            margin-top: 2rem;
            margin-bottom: 0.8rem;
            color: #0a1a2f;
        }
        h1 {
            font-size: 2.2rem;
            border-bottom: 4px solid #0f4c81;
            padding-bottom: 0.4rem;
        }
        h2 {
            font-size: 1.6rem;
            border-left: 6px solid #0f4c81;
            padding-left: 0.8rem;
        }
        h3 {
            font-size: 1.25rem;
            padding-left: 0.4rem;
        }
        h4 {
            font-size: 1.05rem;
            font-style: italic;
        }
        p {
            margin-bottom: 1rem;
        }
        .container {
            background: #ffffff;
            border-radius: 20px;
            padding: 20px 24px 40px;
            margin: 16px 0 32px;
            box-shadow: 0 8px 30px rgba(0, 0, 0, 0.05);
        }
        .site-header {
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            justify-content: space-between;
            padding: 16px 0 8px;
            border-bottom: 2px solid #e0e7ef;
            margin-bottom: 8px;
        }
        .my-logo {
            font-size: 1.8rem;
            font-weight: 800;
            color: #0f4c81;
            letter-spacing: -0.5px;
            text-decoration: none;
            background: linear-gradient(135deg, #0f4c81, #1e7e34);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }
        .my-logo:hover {
            text-decoration: none;
            opacity: 0.85;
        }
        .my-logo small {
            font-size: 0.7rem;
            display: block;
            -webkit-text-fill-color: #555;
            color: #555;
            font-weight: 400;
            letter-spacing: 0.2px;
        }
        .nav-bar {
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .nav-links {
            display: flex;
            gap: 6px 14px;
            flex-wrap: wrap;
            list-style: none;
            padding: 0;
            margin: 0;
        }
        .nav-links li a {
            font-weight: 600;
            font-size: 0.92rem;
            padding: 6px 10px;
            border-radius: 8px;
            transition: background 0.2s;
        }
        .nav-links li a:hover {
            background: #e8edf4;
            text-decoration: none;
        }
        .hamburger {
            display: none;
            background: none;
            border: none;
            font-size: 1.8rem;
            color: #0f4c81;
            cursor: pointer;
            padding: 4px 8px;
        }
        .hamburger:focus {
            outline: 2px solid #0f4c81;
            outline-offset: 2px;
        }
        .breadcrumb {
            display: flex;
            flex-wrap: wrap;
            list-style: none;
            padding: 8px 0 12px;
            margin: 0;
            font-size: 0.85rem;
            color: #555;
        }
        .breadcrumb li+li::before {
            content: "›";
            padding: 0 8px;
            color: #999;
        }
        .breadcrumb a {
            color: #0f4c81;
        }
        .breadcrumb .current {
            color: #333;
            font-weight: 600;
        }
        .search-form {
            display: flex;
            flex-wrap: wrap;
            gap: 8px;
            margin: 20px 0 16px;
            background: #f0f3f8;
            padding: 12px 16px;
            border-radius: 40px;
            align-items: center;
        }
        .search-form label {
            font-weight: 600;
            font-size: 0.95rem;
            display: flex;
            align-items: center;
            gap: 6px;
        }
        .search-form input[type="text"] {
            flex: 1;
            min-width: 160px;
            padding: 10px 16px;
            border: 1px solid #ccd7e6;
            border-radius: 30px;
            font-size: 0.95rem;
            background: #fff;
            transition: border 0.2s;
        }
        .search-form input[type="text"]:focus {
            border-color: #0f4c81;
            outline: none;
            box-shadow: 0 0 0 3px rgba(15, 76, 129, 0.15);
        }
        .search-form button {
            background: #0f4c81;
            color: #fff;
            border: none;
            padding: 10px 24px;
            border-radius: 30px;
            font-weight: 700;
            font-size: 0.95rem;
            cursor: pointer;
            transition: background 0.2s, transform 0.1s;
            display: flex;
            align-items: center;
            gap: 6px;
        }
        .search-form button:hover {
            background: #1e7e34;
            transform: scale(1.02);
        }
        .search-form button:active {
            transform: scale(0.97);
        }
        .feature-image {
            margin: 24px 0;
            border-radius: 16px;
            overflow: hidden;
            box-shadow: 0 4px 20px rgba(0, 0, 0, 0.08);
        }
        .feature-image figcaption {
            font-size: 0.85rem;
            color: #666;
            padding: 8px 12px;
            background: #f9fafc;
            font-style: italic;
        }
        .comment-section,
        .rating-section {
            margin-top: 40px;
            padding-top: 24px;
            border-top: 2px solid #e0e7ef;
        }
        .comment-section h3,
        .rating-section h3 {
            margin-top: 0;
        }
        .comment-form,
        .rating-form {
            display: flex;
            flex-direction: column;
            gap: 12px;
            max-width: 600px;
            background: #f8fafd;
            padding: 20px 24px;
            border-radius: 16px;
            margin-top: 8px;
        }
        .comment-form label,
        .rating-form label {
            font-weight: 600;
            font-size: 0.9rem;
        }
        .comment-form input,
        .comment-form textarea,
        .rating-form input,
        .rating-form select {
            padding: 10px 14px;
            border: 1px solid #ccd7e6;
            border-radius: 10px;
            font-size: 0.95rem;
            font-family: inherit;
            background: #fff;
            transition: border 0.2s;
        }
        .comment-form input:focus,
        .comment-form textarea:focus,
        .rating-form input:focus,
        .rating-form select:focus {
            border-color: #0f4c81;
            outline: none;
            box-shadow: 0 0 0 3px rgba(15, 76, 129, 0.12);
        }
        .comment-form textarea {
            min-height: 100px;
            resize: vertical;
        }
        .comment-form button,
        .rating-form button {
            align-self: flex-start;
            background: #1e7e34;
            color: #fff;
            border: none;
            padding: 10px 28px;
            border-radius: 30px;
            font-weight: 700;
            font-size: 0.95rem;
            cursor: pointer;
            transition: background 0.2s, transform 0.1s;
        }
        .comment-form button:hover,
        .rating-form button:hover {
            background: #0f4c81;
            transform: scale(1.02);
        }
        friend-link {
            display: block;
            margin: 20px 0 10px;
            padding: 16px 20px;
            background: #f0f5fe;
            border-radius: 16px;
            border-left: 6px solid #0f4c81;
            font-size: 0.95rem;
        }
        friend-link a {
            display: inline-block;
            margin: 0 12px 6px 0;
            font-weight: 600;
        }
        .site-footer {
            padding: 24px 0 32px;
            border-top: 2px solid #e0e7ef;
            margin-top: 20px;
            font-size: 0.9rem;
            color: #555;
            text-align: center;
        }
        .site-footer .copyright {
            font-weight: 600;
            color: #1a1a2e;
            margin-top: 8px;
        }
        .last-updated {
            font-size: 0.85rem;
            color: #777;
            text-align: right;
            margin-top: 8px;
            font-style: italic;
        }
        @media (max-width: 768px) {
            body {
                padding: 0 12px;
            }
            .container {
                padding: 16px 14px 30px;
            }
            h1 {
                font-size: 1.6rem;
            }
            h2 {
                font-size: 1.3rem;
            }
            .nav-links {
                display: none;
                flex-direction: column;
                width: 100%;
                background: #fff;
                padding: 12px 0;
                border-top: 1px solid #e0e7ef;
                margin-top: 8px;
            }
            .nav-links.open {
                display: flex;
            }
            .hamburger {
                display: block;
            }
            .site-header {
                flex-wrap: wrap;
            }
            .search-form {
                flex-direction: column;
                align-items: stretch;
                border-radius: 20px;
            }
            .search-form button {
                justify-content: center;
            }
            .comment-form,
            .rating-form {
                padding: 16px;
            }
            .my-logo {
                font-size: 1.4rem;
            }
            friend-link {
                padding: 12px 14px;
            }
        }
        @media (min-width: 769px) {
            .nav-links {
                display: flex !important;
            }
            .hamburger {
                display: none !important;
            }
        }
        .text-highlight {
            background: #fef9e7;
            padding: 0 4px;
            font-weight: 600;
        }
        .emoji-big {
            font-size: 1.4rem;
            margin-right: 4px;
        }
        .card-tip {
            background: #eaf7ea;
            border-radius: 16px;
            padding: 16px 20px;
            margin: 20px 0;
            border-left: 6px solid #1e7e34;
        }
        .card-warn {
            background: #fef3e9;
            border-radius: 16px;
            padding: 16px 20px;
            margin: 20px 0;
            border-left: 6px solid #e67e22;
        }
        .two-col {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 20px;
            margin: 20px 0;
        }
        @media (max-width: 600px) {
            .two-col {
                grid-template-columns: 1fr;
            }
        }